CN115402164B - Automobile safety seat, lifting basket disassembling method thereof and child stroller - Google Patents

Automobile safety seat, lifting basket disassembling method thereof and child stroller Download PDF

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Publication number
CN115402164B
CN115402164B CN202211046365.9A CN202211046365A CN115402164B CN 115402164 B CN115402164 B CN 115402164B CN 202211046365 A CN202211046365 A CN 202211046365A CN 115402164 B CN115402164 B CN 115402164B
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CN
China
Prior art keywords
locking
working state
lock hook
locking mechanism
basket
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202211046365.9A
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Chinese (zh)
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CN115402164A (en
Inventor
冯博
杨晓勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Goodbaby Child Products Co Ltd
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Goodbaby Child Products Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Goodbaby Child Products Co Ltd filed Critical Goodbaby Child Products Co Ltd
Priority to CN202211046365.9A priority Critical patent/CN115402164B/en
Publication of CN115402164A publication Critical patent/CN115402164A/en
Priority to PCT/CN2023/115629 priority patent/WO2024046335A1/en
Application granted granted Critical
Publication of CN115402164B publication Critical patent/CN115402164B/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • B60N2/2842—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle adapted to carry the child, when dismounted from the vehicle
    • B60N2/2845—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle adapted to carry the child, when dismounted from the vehicle having handles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • B60N2/2842—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle adapted to carry the child, when dismounted from the vehicle
    • B60N2/2848—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle adapted to carry the child, when dismounted from the vehicle being convertible or adaptable to a preambulator, e.g. a baby-carriage or a push-chair
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
    • B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
    • B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
    • B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
    • B62B7/083—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis the wheel axes being moved from each other during folding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
    • B62B9/10—Perambulator bodies; Equipment therefor
    • B62B9/12—Perambulator bodies; Equipment therefor involving parts that are adjustable, attachable or detachable
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/56—Reuse, recycling or recovery technologies of vehicles

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Child & Adolescent Psychology (AREA)
  • General Health & Medical Sciences (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Public Health (AREA)
  • Handcart (AREA)

Abstract

The invention relates to an automobile safety seat and a lifting basket disassembly method thereof, and a child stroller, wherein the automobile safety seat comprises a base, a stroller frame arranged on the base after being folded, and a lifting basket arranged on the stroller frame; the cart frame comprises a front wheel bracket and a rear wheel bracket, and the lower part of the rear wheel bracket is connected with a rear wheel through a rear wheel shaft in a pivot way. According to the invention, when the three parts of the basket, the cart frame and the base are combined to be used as the automobile safety seat, the first locking mechanism, the second locking mechanism and the third locking mechanism are linked through the clutch device, the unlocking handle can be operated to control a plurality of locking mechanisms at the same time, the locking and unlocking processes are simple, the basket is convenient to put in and take out, and when the basket and the cart frame are used as the baby cart, the basket and the cart frame can be completely locked, so that the safety of the baby cart is improved, and the risk of misuse is reduced.

Description

Automobile safety seat, lifting basket disassembling method thereof and child stroller
Technical Field
The invention relates to a child product, in particular to an automobile safety seat, a basket disassembly method of the automobile safety seat and a child trolley.
Background
In order to meet the demands of parents and children, the children's basket is generally arranged on a children's barrow or a children's car safety seat when the children are small, and the children's basket can be independently carried for use. However, when the child basket in the prior art is installed on the child car safety seat, the locking or unlocking process is complicated, and the taking and placing process of the child basket is inconvenient; when the child basket is installed on the child trolley frame for use, the child basket and the trolley frame cannot be completely locked, so that the safety is low, and misuse can be caused.
Disclosure of Invention
The invention aims to provide an improved automobile safety seat, a lifting basket disassembling method thereof and a child stroller, when the lifting basket, the stroller frame and the base are combined to be used as the automobile safety seat, the locking and unlocking processes are simple, the lifting basket can be conveniently put in and taken out, and when the lifting basket and the stroller frame are used as the child stroller, the lifting basket and the stroller frame can be completely locked, so that the safety of the child stroller is improved, and the risk of misuse is reduced.
In order to achieve the above purpose, the invention adopts the following technical scheme:
an automobile safety seat comprises a base, a cart frame arranged on the base after being folded, and a lifting basket arranged on the cart frame; the cart frame comprises a front wheel bracket and a rear wheel bracket, and the lower part of the rear wheel bracket is pivotally connected with a rear wheel through a rear wheel shaft;
The automobile safety seat further comprises a first locking mechanism used for locking the lifting basket on the folded cart frame, a second locking mechanism used for locking the lifting basket on the folded cart frame and a third locking mechanism used for locking the cart frame on the base, a clutch device is arranged between the first locking mechanism and the second locking mechanism, the first locking mechanism and the second locking mechanism are connected in a closed working state of the clutch device, so that the first locking mechanism and the second locking mechanism are synchronously in a locking working state or an unlocking working state, and in a separated working state of the clutch device, the first locking mechanism and the second locking mechanism are disconnected, so that the first locking mechanism or the second locking mechanism is independently in the locking working state or the unlocking working state.
Preferably, the first locking mechanism includes:
the unlocking handle is arranged on the lifting basket;
the rear lock hook is pivotally connected to the rear part of the lifting basket through a rear lock hook rotating shaft;
The rear lock hook elastic piece is in contact with the rear lock hook;
the unlocking handle drives the rear lock hook to rotate through the rear lock hook pulling connecting piece;
the front lock hook is pivotally connected to the front part of the cart frame through a front lock hook rotating shaft;
the front lock hook elastic piece is in contact with the front lock hook;
the front lock hook driving piece is movably arranged at the front part of the basket and can drive the front lock hook to move;
the front lock hook pulling connecting piece, two ends of the front lock hook pulling connecting piece are respectively connected with the unlocking handle and the front lock hook driving piece, and the unlocking handle drives the front lock hook driving piece to move through the front lock hook pulling connecting piece, so that the front lock hook driving piece drives the front lock hook to rotate again;
the first locking mechanism is provided with a locking working state and an unlocking working state, when the first locking mechanism is in the locking working state, the rear lock hook hooks the rear wheel shaft or the rear wheel bracket, and the front lock hook hooks the front wheel bracket; when the first locking mechanism is in an unlocking working state, the rear lock hook is separated from the rear wheel shaft or the rear wheel bracket, the front lock hook driving piece is abutted against the front lock hook, and the front lock hook is separated from the front wheel bracket; the rear lock hook elastic piece applies an elastic force to the rear lock hook to enable the rear lock hook to rotate around the rear lock hook rotating shaft in a direction of tending to hook the rear wheel shaft or the rear wheel bracket, and the front lock hook elastic piece applies an elastic force to the front lock hook to enable the front lock hook to rotate around the front lock hook rotating shaft in a direction of tending to hook the front wheel bracket; when the unlocking handle is pulled, the first locking mechanism is switched from the locking working state to the unlocking working state.
Further, the front latch hook driving member is pivotally connected to the front portion of the basket through a front latch hook driving member rotating shaft.
Preferably, the car safety seat further comprises a second locking mechanism for relocking the basket to the cart frame, the second locking mechanism comprising:
the first locking slide block is arranged at the bottom of the lifting basket in a sliding manner along the front-back direction, the front part of the first locking slide block is provided with a first slide block front locking hook, and the rear part of the first locking slide block is provided with a first slide block rear locking piece;
the first locking slide block elastic piece is in contact with the first locking slide block;
the front transverse locking rod is fixedly arranged at the front part of the trolley frame and extends along the left-right direction;
the rear transverse locking rod is fixedly arranged at the rear part of the trolley frame and extends along the left-right direction;
the second locking mechanism is provided with a locking working state and an unlocking working state, when the second locking mechanism is in the locking working state, the front transverse locking rod is hooked by the front locking hook of the first sliding block, and the rear transverse locking rod is locked by the rear locking piece of the first sliding block; when the second locking mechanism is in an unlocking working state, the first sliding block front locking hook is separated from the front transverse locking rod, and the first sliding block rear locking piece is separated from the rear transverse locking rod; when the second locking mechanism is switched between a locking working state and an unlocking working state, the first locking sliding block slides along the bottom of the lifting basket; the first locking slide block elastic piece applies an elastic force to the first locking slide block, so that the second locking mechanism tends to enter a locking working state.
Further, a clutch device is arranged between the first locking sliding block and the rear locking hook pulling connecting piece or the unlocking handle, when the folded cart frame is placed on the base and the lifting basket is placed on the cart frame, the clutch device is in a closed working state, the first locking sliding block is connected with the rear locking hook pulling connecting piece or the unlocking handle, and the unlocking handle drives the first locking sliding block to slide, so that the first locking mechanism and the second locking mechanism synchronously switch from a locking working state to an unlocking working state or the first locking mechanism and the second locking mechanism synchronously switch from an unlocking working state to a locking working state; when the first locking mechanism and the second locking mechanism are in an unlocking working state, allowing the lifting basket to be separated from the trolley frame; when the cart frame is separated from the base by the basket, the clutch device is in a separated working state, the first locking sliding block is pulled by the rear locking hook to be connected with the connecting piece or the unlocking handle to be disconnected, and the unlocking handle cannot drive the first locking sliding block to slide, so that the first locking mechanism and the second locking mechanism are independently in a locking working state or an unlocking working state.
Further, the clutch device comprises
The locking bolt is arranged in the first locking sliding block in a sliding manner along the up-down direction;
the locking hook pulling connecting piece is characterized in that a locking hole is formed in the rear locking hook pulling connecting piece, and the rear locking hook pulling connecting piece is the rear locking hook pulling connecting piece;
a deadbolt spring which abuts against the deadbolt, the deadbolt spring applying a directional spring force to the deadbolt that tends to disengage the deadbolt from the locking aperture;
a deadbolt driver for driving the deadbolt to slide in a direction into the lock hole;
when the folded cart frame is placed on the base with the basket, the lock pin driving piece pushes the lock pin to slide upwards along the first lock slide block, so that the lock pin part is inserted into the lock hole on the lock hook pulling connecting piece, the other part of the lock pin is still positioned in the first lock slide block, and the clutch device is in a closed working state; after the cart frame is separated from the base with the lifting basket, the locking bolt slides downwards along the first locking sliding block under the action of the elastic force of the locking bolt elastic piece, the locking bolt is separated from the locking hole on the locking hook pulling connecting piece, and the clutch device is in a separated working state.
Still further, the cart frame further comprises a basket tray, the basket tray is connected with the front wheel bracket or/and the rear wheel bracket, the basket is arranged on the basket tray, and at least part of the basket is positioned above the basket tray; the locking bolt driving piece is a triggering push rod, the triggering push rod is arranged on the basket tray in a sliding manner along the up-down direction, and the upper end part of the triggering push rod faces to the lower end part of the locking bolt; when the cart frame is placed on the base with the lifting basket, the lower end part of the trigger push rod is abutted against the upper surface of the base, so that the trigger push rod moves upwards, the trigger push rod pushes the locking bolt to move upwards and insert into the locking hole, and the clutch device is in a closed working state; after the basket is separated from the base by the cart frame, the lock bolt slides downwards along the first locking sliding block under the action of the elastic force of the lock bolt elastic piece, the lower end part of the trigger push rod is pushed to extend downwards out of the lower bottom surface of the basket tray, and the clutch device is in a separated working state.
Furthermore, the trigger push rod is also abutted against the trigger push rod elastic piece, and the trigger push rod elastic piece applies an elastic force to the trigger push rod so that the lower end part of the trigger push rod has a trend of extending out towards the bottom of the basket tray.
Further, the cart frame comprises front wheel brackets positioned at the left side and the right side respectively and rear wheel brackets positioned at the left side and the right side respectively, the front wheel brackets further comprise front wheel bracket transverse connecting rods used for connecting the two front wheel brackets at the left side and the right side, front lock hook grooves are formed in the front wheel bracket transverse connecting rods, when the first locking mechanism is in a locking working state, the front lock hooks are hooked in the front lock hook grooves, and when the first locking mechanism is in an unlocking working state, the front lock hooks are separated from the front lock hook grooves.
Preferably, the cart frame further comprises a basket tray, the basket tray is connected with the front wheel bracket or/and the rear wheel bracket, the basket is arranged on the basket tray, and at least part of the basket is positioned above the basket tray; the car safety seat also comprises a third locking mechanism for locking the cart frame on the base, and the third locking mechanism comprises:
The second locking sliding block is arranged at the bottom of the basket tray in a sliding manner along the front-back direction, and the front part of the second locking sliding block is provided with a base front locking hook;
the second locking slide block driving piece is used for driving the second locking slide block to slide in the basket tray along the front-back direction;
the second locking slide block elastic piece is abutted against the second locking slide block;
the base transverse locking rod extends along the left-right direction and is fixedly arranged at the front part of the base;
a base rear latch hook; the base rear lock hook is pivotally connected to the rear part of the base through a base rear lock hook rotating shaft;
the base rear lock hook elastic piece is abutted against the base rear lock hook;
the front part of the base rear lock hook connecting piece is connected with the second locking sliding block, and the rear part of the base rear lock hook connecting piece is connected with the base rear lock hook;
the third locking mechanism is provided with a locking working state and an unlocking working state, when the third locking mechanism is in the locking working state, the front base lock hook hooks the transverse base locking rod, and the rear base lock hook hooks the rear wheel shaft or the rear wheel bracket; when the third locking mechanism is in an unlocking working state, the front base lock hook is separated from the transverse base lock rod, and the rear base lock hook is separated from the rear wheel shaft or the rear wheel bracket; the base rear lock hook elastic piece applies an elastic force tending to hook the rear wheel shaft or the rear wheel bracket to the base rear lock hook, and the second lock slide block elastic piece applies an elastic force tending to enable the base front lock hook to hook the base transverse lock rod to the second lock slide block.
Further, the front lower part of the base front lock hook is provided with a guide inclined plane which is parallel to the base transverse locking rod, the guide inclined plane is gradually inclined forwards from top to bottom, and the base front lock hook is positioned at the front lower part of the base transverse locking rod.
Further, a safety mechanism is further arranged on the second locking sliding block, when the safety mechanism is in an open state, the second locking sliding block is allowed to slide so that the third locking mechanism is in an unlocking working state from a locking working state, and when the safety mechanism is in a closed state, the second locking sliding block is forbidden to slide so that the third locking mechanism is in a locking working state.
Further, the safety mechanism comprises
The sliding stop lever is inserted into the basket tray in a sliding manner along the up-down direction;
the sliding stop lever elastic piece is in contact with the sliding stop lever, and the sliding stop lever elastic piece applies an elastic force to the sliding stop lever so that the sliding stop lever has a trend of sliding upwards;
when the safety mechanism is in a closed state, the upper end part of the sliding stop lever extends upwards out of the upper surface of the basket tray, and one side part of the sliding stop lever is blocked in front of the sliding of the second locking slide block; when the safety mechanism is in an open state, the upper end part of the sliding stop lever is retracted into the upper surface of the basket tray, and one side part of the sliding stop lever is positioned below the second locking slide block and allows the second locking slide block to slide.
Further, the basket has two operating states of being separated from the basket tray and being mounted to the basket tray; after the basket is separated from the basket tray, the safety mechanism is in a closed state, and the upper end part of the sliding stop lever extends upwards out of the upper surface of the basket tray; after the basket is mounted on the basket tray, the bottom surface of the basket presses down the upper end part of the sliding stop lever to enable the upper end part of the sliding stop lever to slide downwards, and the safety mechanism is in an open state.
Further, the rear latch hook pulling connecting piece and the front latch hook pulling connecting piece are flexible plastic belts.
Further, the unlocking handle is slidably arranged at the front lower part of the basket.
The lifting basket disassembly method of the automobile safety seat comprises a base, a lifting basket arranged on the base after being folded, a first locking mechanism arranged on the lifting basket on the folded lifting basket frame, a second locking mechanism arranged on the folded lifting basket frame and a third locking mechanism arranged on the base after being locked, wherein a clutch device is arranged between the first locking mechanism and the second locking mechanism, and in the working state of the clutch device, the first locking mechanism and the second locking mechanism are connected to enable the first locking mechanism and the second locking mechanism to be in a locking working state or an unlocking working state synchronously, and in the working state of the clutch device, the first locking mechanism and the second locking mechanism are connected to enable the first locking mechanism and the second locking mechanism to be in an independent working state or an unlocking working state;
The basket disassembly method is that the third locking mechanism is in a locking working state, then the first locking mechanism and the second locking mechanism are synchronously unlocked, and then the basket is taken down from the cart frame; when the basket is taken off from the cart frame, the clutch device is in a working state.
Preferably, the car safety seat is as described above.
The method for disassembling the lifting basket of the trolley frame belt of the automobile safety seat comprises a base, a trolley frame arranged on the base after being folded, a lifting basket arranged on the trolley frame, a first locking mechanism used for locking the lifting basket on the folded trolley frame, a second locking mechanism used for locking the lifting basket on the folded trolley frame, and a third locking mechanism used for locking the trolley frame on the base, wherein a clutch device is arranged between the first locking mechanism and the second locking mechanism, and in the working state of being closed, the first locking mechanism and the second locking mechanism are connected to enable the first locking mechanism and the second locking mechanism to be in a locking working state or an unlocking working state synchronously, and in the working state of being separated, the first locking mechanism and the second locking mechanism are connected to enable the first locking mechanism and the second locking mechanism to be in an independent working state or an unlocking working state;
The disassembly method of the cart frame with the lifting basket is that the third locking mechanism is in an unlocking working state, and then the cart frame with the lifting basket is taken down from the base; when the cart frame is taken down from the base with the basket, the clutch device is in a working state.
Preferably, the car safety seat is as described above.
A child cart comprises a cart frame with an unfolding state and a folding state, and a basket arranged on the cart frame; the cart frame comprises a front wheel bracket and a rear wheel bracket, wherein the lower part of the rear wheel bracket is connected with a rear wheel through a rear wheel shaft in a pivot manner, and the lower part of the front wheel bracket is provided with a front wheel; the baby stroller further comprises a first locking mechanism for locking the lifting basket on the folded stroller frame and a second locking mechanism for locking the lifting basket on the folded stroller frame, a clutch device is arranged between the first locking mechanism and the second locking mechanism, the clutch device is in a separated working state, and in the working state, the first locking mechanism and the second locking mechanism are separated from each other, so that the first locking mechanism and the second locking mechanism are independently in a locking working state or an unlocking working state.
Preferably, the first locking mechanism includes:
the unlocking handle is arranged on the lifting basket;
the rear lock hook is pivotally connected to the rear part of the lifting basket through a rear lock hook rotating shaft;
the rear lock hook elastic piece is in contact with the rear lock hook;
the unlocking handle drives the rear lock hook to rotate through the rear lock hook pulling connecting piece;
the front lock hook is pivotally connected to the front part of the cart frame through a front lock hook rotating shaft;
the front lock hook elastic piece is in contact with the front lock hook;
the front lock hook driving piece is movably arranged at the front part of the basket and can drive the front lock hook to move;
the front lock hook pulling connecting piece, two ends of the front lock hook pulling connecting piece are respectively connected with the unlocking handle and the front lock hook driving piece, and the unlocking handle drives the front lock hook to rotate through the front lock hook pulling connecting piece and the front lock hook driving piece;
The first locking mechanism is provided with a locking working state and an unlocking working state, when the cart frame is in a folding working state and the first locking mechanism is in the locking working state, the rear lock hook hooks the rear wheel shaft or the rear wheel bracket, and the front lock hook hooks the front wheel bracket; when the first locking mechanism is in an unlocking working state, the trolley frame is allowed to be in an unfolding working state, at the moment, the rear lock hook is separated from the rear wheel shaft or the rear wheel bracket, the front lock hook driving piece is abutted against the front lock hook, and the front lock hook is separated from the front wheel bracket; the rear lock hook elastic piece applies an elastic force to the rear lock hook to enable the rear lock hook to rotate around the rear lock hook rotating shaft in a direction of tending to hook the rear wheel shaft or the rear wheel bracket, and the front lock hook elastic piece applies an elastic force to the front lock hook to enable the front lock hook to rotate around the front lock hook rotating shaft in a direction of tending to hook the front wheel bracket; when the unlocking handle is pulled, the first locking mechanism is switched from the locking working state to the unlocking working state.
Further, the front latch hook driving member is pivotally connected to the front portion of the basket through a front latch hook driving member rotating shaft.
Preferably, the stroller further comprises a second locking mechanism for relocking the basket to the stroller frame, the second locking mechanism comprising:
the first locking slide block is arranged at the bottom of the lifting basket in a sliding manner along the front-back direction, the front part of the first locking slide block is provided with a first slide block front locking hook, and the rear part of the first locking slide block is provided with a first slide block rear locking piece;
the first locking slide block elastic piece is in contact with the first locking slide block;
the front transverse locking rod is fixedly arranged at the front part of the trolley frame and extends along the left-right direction;
the rear transverse locking rod is fixedly arranged at the rear part of the trolley frame and extends along the left-right direction;
the second locking mechanism is provided with a locking working state and an unlocking working state, when the second locking mechanism is in the locking working state, the front transverse locking rod is hooked by the front locking hook of the first sliding block, and the rear transverse locking rod is locked by the rear locking piece of the first sliding block; when the second locking mechanism is in an unlocking working state, the first sliding block front locking hook is separated from the front transverse locking rod, and the first sliding block rear locking piece is separated from the rear transverse locking rod; when the second locking mechanism is switched between a locking working state and an unlocking working state, the first locking sliding block slides along the bottom of the lifting basket; the first locking slide block elastic piece applies an elastic force to the first locking slide block, so that the second locking mechanism tends to enter a locking working state.
Further, a clutch device is arranged between the first locking sliding block and the unlocking handle or the rear locking hook pulling connecting piece, the clutch device is in a separated working state, and the first locking mechanism and the second locking mechanism are independently in a locking working state or an unlocking working state.
A child cart comprises a cart frame with an unfolding state and a folding state, and a basket arranged on the cart frame; the cart frame comprises a front wheel bracket and a rear wheel bracket, wherein the lower part of the rear wheel bracket is connected with a rear wheel through a rear wheel shaft in a pivot manner, and the lower part of the front wheel bracket is provided with a front wheel; the method is characterized in that: the baby stroller further comprises a first locking mechanism for locking the lifting basket on the folded stroller frame and a second locking mechanism for locking the lifting basket on the folded stroller frame, a clutch device is arranged between the first locking mechanism and the second locking mechanism, and when the clutch device is in a closed working state, the first locking mechanism and the second locking mechanism are connected so that the first locking mechanism and the second locking mechanism are synchronously in a locking working state or an unlocking working state; when the clutch device is in a working state, the first locking mechanism and the second locking mechanism are disconnected, so that the first locking mechanism and the second locking mechanism are independently in a locking working state or an unlocking working state.
Preferably, the first locking mechanism includes:
the unlocking handle is arranged on the lifting basket;
the rear lock hook is pivotally connected to the rear part of the lifting basket through a rear lock hook rotating shaft;
the rear lock hook elastic piece is in contact with the rear lock hook;
the unlocking handle drives the rear lock hook to rotate through the rear lock hook pulling connecting piece;
the front lock hook is pivotally connected to the front part of the cart frame through a front lock hook rotating shaft;
the front lock hook elastic piece is in contact with the front lock hook;
the front lock hook driving piece is movably arranged at the front part of the basket and can drive the front lock hook to move;
the front lock hook pulling connecting piece, two ends of the front lock hook pulling connecting piece are respectively connected with the unlocking handle and the front lock hook driving piece, and the unlocking handle drives the front lock hook to rotate through the front lock hook pulling connecting piece and the front lock hook driving piece;
The first locking mechanism is provided with a locking working state and an unlocking working state, when the cart frame is in a folding working state and the first locking mechanism is in the locking working state, the rear lock hook hooks the rear wheel shaft or the rear wheel bracket, and the front lock hook hooks the front wheel bracket; when the first locking mechanism is in an unlocking working state, the trolley frame is allowed to be in an unfolding working state, at the moment, the rear lock hook is separated from the rear wheel shaft or the rear wheel bracket, the front lock hook driving piece is abutted against the front lock hook, and the front lock hook is separated from the front wheel bracket; the rear lock hook elastic piece applies an elastic force to the rear lock hook to enable the rear lock hook to rotate around the rear lock hook rotating shaft in a direction of tending to hook the rear wheel shaft or the rear wheel bracket, and the front lock hook elastic piece applies an elastic force to the front lock hook to enable the front lock hook to rotate around the front lock hook rotating shaft in a direction of tending to hook the front wheel bracket; when the unlocking handle is pulled, the first locking mechanism is switched from the locking working state to the unlocking working state.
Further, the front latch hook driving member is pivotally connected to the front portion of the basket through a front latch hook driving member rotating shaft.
Preferably, the second locking mechanism includes:
the first locking slide block is arranged at the bottom of the lifting basket in a sliding manner along the front-back direction, the front part of the first locking slide block is provided with a first slide block front locking hook, and the rear part of the first locking slide block is provided with a first slide block rear locking piece;
the first locking slide block elastic piece is in contact with the first locking slide block;
the front transverse locking rod is fixedly arranged at the front part of the trolley frame and extends along the left-right direction;
the rear transverse locking rod is fixedly arranged at the rear part of the trolley frame and extends along the left-right direction;
the second locking mechanism is provided with a locking working state and an unlocking working state, when the second locking mechanism is in the locking working state, the front transverse locking rod is hooked by the front locking hook of the first sliding block, and the rear transverse locking rod is locked by the rear locking piece of the first sliding block; when the second locking mechanism is in an unlocking working state, the first sliding block front locking hook is separated from the front transverse locking rod, and the first sliding block rear locking piece is separated from the rear transverse locking rod; when the second locking mechanism is switched between a locking working state and an unlocking working state, the first locking sliding block slides along the bottom of the lifting basket; the first locking slide block elastic piece applies an elastic force to the first locking slide block, so that the second locking mechanism tends to enter a locking working state.
Further, the clutch device is arranged between the first locking sliding block and the rear locking hook pulling connecting piece or the unlocking handle.
Further, the clutch device comprises
The locking bolt is arranged in the first locking sliding block in a sliding manner along the up-down direction;
the locking hook pulling connecting piece is provided with a locking hole, and the locking hook pulling connecting piece is the rear locking hook pulling connecting piece;
a deadbolt spring which abuts against the deadbolt, the deadbolt spring exerting a directional spring force on the deadbolt which tends to disengage the deadbolt from the lock aperture;
a deadbolt driver for driving the deadbolt to slide in a direction into the lock hole;
when the locking bolt driving piece pushes the locking bolt to slide upwards along the first locking sliding block, the locking bolt is partially inserted into the locking hole on the locking hook pulling connecting piece, the other part of the locking bolt is still positioned in the first locking sliding block, and the clutch device is in a closed working state; the locking bolt slides downwards along the first locking sliding block under the elastic action of the locking bolt elastic piece, the locking bolt is separated from the locking hole on the locking hook pulling connecting piece, and the clutch device is in a separated working state.
Still further, the cart frame further comprises a basket tray, the basket tray is connected to the front wheel bracket or/and the rear wheel bracket, the basket is arranged on the basket tray, and at least part of the basket is positioned above the basket tray; the locking bolt driving piece is a triggering push rod, the triggering push rod is arranged on the basket tray in a sliding manner along the up-down direction, and the upper end part of the triggering push rod faces to the lower end part of the locking bolt; when the trigger push rod moves upwards, the trigger push rod pushes the locking bolt to move upwards and insert into the locking hole, and the clutch device is in a closed working state; when the locking bolt slides downwards along the first locking sliding block under the action of the elastic force of the locking bolt elastic piece, the lower end part of the triggering push rod is pushed to extend downwards to the lower bottom surface of the basket tray, and the clutch device is in a working state.
Furthermore, the trigger push rod is also abutted against the trigger push rod elastic piece, and the trigger push rod elastic piece applies an elastic force to the trigger push rod so that the lower end part of the trigger push rod has a trend of extending out towards the bottom of the basket tray.
Preferably, the cart frame comprises front wheel brackets positioned at the left side and the right side respectively, rear wheel brackets positioned at the left side and the right side respectively, the front wheel brackets further comprise front wheel bracket transverse connecting rods used for connecting the two front wheel brackets at the left side and the right side, front lock hook grooves are formed in the front wheel bracket transverse connecting rods, when the first locking mechanism is in a locking working state, the front lock hooks are hooked in the front lock hook grooves, and when the first locking mechanism is in an unlocking working state, the front lock hooks are separated from the front lock hook grooves.
Preferably, the rear latch hook pulling connecting piece and the front latch hook pulling connecting piece are flexible plastic belts.
Preferably, the unlocking handle is slidably arranged at the front lower part of the basket.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
when the three parts of the lifting basket, the trolley frame and the base are combined to be used as the automobile safety seat, the first locking mechanism, the second locking mechanism and the third locking mechanism are linked through the clutch device, the unlocking handle can be operated to control a plurality of locking mechanisms simultaneously, the locking and unlocking processes are concise, the lifting basket can be put in and taken out conveniently, when the lifting basket and the trolley frame are used as the trolley, the lifting basket and the trolley frame can be locked completely, the safety of the trolley is improved, and the risk of misuse is reduced.
Drawings
FIG. 1 is a side view of a basket, cart frame and base of an embodiment of the present invention;
FIG. 2 is a top view of the basket, cart frame, and base of an embodiment of the present invention wherein the first, second, and third locking mechanisms are all in a locked state;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is an enlarged schematic view of a portion of FIG. 3 at A;
FIG. 5 is a schematic cross-sectional view taken along line B-B of FIG. 2;
FIG. 6 is a schematic cross-sectional view taken along line C-C of FIG. 2, with the basket separated from the cart frame;
FIG. 7 is an enlarged schematic view of a portion of FIG. 6 at B;
FIG. 8 is a top view of the basket, cart frame, and base of an embodiment of the present invention wherein the first, second, and third locking mechanisms are all in an unlocked state;
FIG. 9 is a schematic cross-sectional view taken along the direction D-D in FIG. 8;
FIG. 10 is an enlarged partial schematic view of FIG. 9 at C;
FIG. 11 is a schematic cross-sectional view taken along E-E in FIG. 8;
FIG. 12 is a partially enlarged schematic illustration of FIG. 11 at D;
FIG. 13 is a perspective view of a cart frame according to an embodiment of the invention;
FIG. 14 is a diagram showing a separation of a basket and a cart frame of an embodiment of the present invention when the basket and cart frame are used as a car seat;
FIG. 15 is a side view of a basket and cart frame in accordance with an embodiment of the present invention;
FIG. 16 is a top view of the basket and cart frame of an embodiment of the present invention in which the first and second locking mechanisms are in a locked condition;
FIG. 17 is a schematic cross-sectional view taken along the direction F-F in FIG. 16;
FIG. 18 is an enlarged partial schematic view of FIG. 17 at E;
FIG. 19 is a schematic cross-sectional view taken along the direction G-G in FIG. 16;
FIG. 20 is a top view of a basket and cart frame of an embodiment of the present invention with first and second locking mechanisms in an unlocked state;
FIG. 21 is a schematic cross-sectional view taken along H-H in FIG. 20;
FIG. 22 is a diagram showing a first separation state of the basket and the stroller frame according to an embodiment of the present invention when the basket and the stroller frame are used as a stroller;
FIG. 23 is a second side view of a basket and cart frame according to an embodiment of the present invention;
FIG. 24 is a top view of a basket and cart frame second embodiment of the present invention wherein the first locking mechanism is in a locked state;
FIG. 25 is a schematic cross-sectional view taken along the direction I-I in FIG. 24;
FIG. 26 is a top view of a basket and cart frame second embodiment of the present invention wherein the first locking mechanism is in an unlocked state;
FIG. 27 is a schematic cross-sectional view taken along J-J in FIG. 26;
FIG. 28 is a second view of a separation of a basket and stroller frame according to an embodiment of the present invention when the basket and stroller frame are used as a stroller;
FIG. 29 is a side view of a stroller frame with a safety mechanism in a closed position according to an embodiment of the present invention;
FIG. 30 is a schematic cross-sectional view taken along the direction K-K in FIG. 29;
FIG. 31 is a second side view of the basket and cart frame of the present invention with the safety mechanism in an open position;
fig. 32 is a schematic cross-sectional view taken along L-L in fig. 31.
1, a base; 2. a cart frame; 21. a front wheel bracket; 211. a front axle; 212; a front wheel; 22. a rear wheel bracket; 221. a rear axle; 222. a rear wheel; 3. a basket; 31. a handle bar; 4. a first locking mechanism; 41. unlocking the handle; 42. a rear latch hook; 421. a rear shackle rotation shaft; 422. a rear shackle elastic member; 423. the rear latch hook pulls the connecting piece; 43. a front latch hook; 431. a front latch hook rotating shaft; 432. a front latch hook elastic member; 433. the front latch hook pulls the connecting piece; 434. a front shackle driver; 435. a front shackle driving member shaft; 44. a middle latch hook; 441. a middle latch hook rotating shaft; 442. an intermediate shackle elastic member; 443. the middle lock hook pulls the connecting piece; 444. an intermediate lock lever; 445. a slot; 446. inserting blocks; 5. a second locking mechanism; 51. a first locking slide; 511. a first slider front shackle; 512. a first slider rear lock; 52. a first lock slide elastic member; 53. a front transverse locking bar; 54. a rear transverse locking bar; 541. a container; 6. a clutch device; 61. a dead bolt; 62. the latch hook pulls the connecting piece; 63. a locking hole; 64. a deadbolt spring; 65. a deadbolt drive; 7. a basket tray; 71. triggering the push rod elastic piece; 8. a front wheel bracket transverse connecting rod; 81. a front latch hook slot; 9. a third locking mechanism; 91. a second lock slide; 92. a base front latch hook; 921. a guide slope; 93. a second lock slide drive; 94. a second lock slide elastic member; 95. a base transverse locking bar; 96. a base rear latch hook; 961. a rotating shaft of the rear lock hook of the base; 97. a base rear latch hook elastic member; 98. a base rear latch hook connector; 99. a safety mechanism; 991. sliding a gear lever; 9911. a boss; 992. a sliding bar elastic member; 10. a cart frame; 101. a front wheel bracket; 1011. a front axle; 1012. a front wheel; 102. a rear wheel bracket; 1021. a rear axle; 1022. and a rear wheel.
Detailed Description
The invention is further described below with reference to examples. The present invention is not limited to the following examples. The implementation conditions adopted in the embodiments can be further adjusted according to different requirements of specific use, and the implementation conditions which are not noted are conventional conditions in the industry. The technical features of the various embodiments of the present invention may be combined with each other as long as they do not collide with each other.
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in numerous different ways without departing from the spirit or scope of the embodiments of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present invention, the meaning of "plurality" is two or more, unless explicitly defined otherwise.
In embodiments of the invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, or may include both the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The following disclosure provides many different implementations, or examples, for implementing different configurations of embodiments of the invention. In order to simplify the disclosure of embodiments of the present invention, components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit embodiments of the present invention. Furthermore, embodiments of the present invention may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.
In the description of the present invention, references to directions such as "front", "rear", "left", "right", "upper", "lower", etc. are defined with reference to directions observed when a child sits, as in fig. 1, the right direction in the drawing is "front", the left direction in the drawing is "rear", the upper direction in the drawing is "upper", the lower direction in the drawing is "lower", and directions perpendicular to the viewing angle in the drawing are "left" and "right", and the definition of the above directions is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
As shown in fig. 1 to 21, the car safety seat of the present invention includes a base 1, a cart frame 2 provided on the base 1 after being folded, and a basket 3 provided on the cart frame 2. The cart frame 2 includes a front wheel bracket 21 and a rear wheel bracket 22, the lower portion of the front wheel bracket 21 is pivotally connected to a front wheel 212 through a front wheel axle 211, and the lower portion of the rear wheel bracket 22 is pivotally connected to a rear wheel 222 through a rear wheel axle 221.
The following describes the specific structure of the car safety seat and the connection relation of each component in detail:
The car safety seat in this embodiment comprises a first locking mechanism 4 for locking the basket 3 to the folded cart frame 2. As shown in fig. 3, 4, 9, 10 and 19, the first locking mechanism 4 includes an unlocking handle 41, a rear lock hook 42, a rear lock hook elastic member 422, a rear lock hook pulling connecting member 423, a front lock hook 43, a front lock hook elastic member 432, a front lock hook pulling connecting member 433, a front lock hook driving member 434, a middle lock hook 44, a middle lock hook elastic member 442 and a middle lock hook pulling connecting member 443. Wherein the unlocking handle 41 is slidably provided at the front lower portion of the basket 3. The rear latch hook 42 is pivotally connected to the rear portion of the basket 3 through a rear latch hook rotating shaft 421, the rear latch hook elastic member 422 abuts against the rear latch hook 42, two ends of the rear latch hook pulling connecting member 423 are respectively connected with the unlocking handle 41 and the rear latch hook 42, and the unlocking handle 41 drives the rear latch hook 42 to rotate through the rear latch hook pulling connecting member 423. The front latch hook 43 is pivotally connected to the front portion of the cart frame 2 through a front latch hook rotating shaft 431, specifically, the front latch hook 43 is pivotally connected to the front portion of the basket tray 7 through the front latch hook rotating shaft 431, and the front latch hook elastic member 432 abuts against the front latch hook 43. As shown in fig. 19, one end of the front latch hook pulling connection member 433 is connected to the unlocking handle 41, the other end is connected to one end of the front latch hook driving member 434, the front latch hook driving member 434 is pivotally connected to the front part of the basket 3 through the front latch hook driving member rotating shaft 435, the unlocking handle 41 drives the front latch hook driving member 434 to rotate through the front latch hook pulling connection member 433, the other end of the front latch hook driving member 434 pushes the upper end of the front latch hook 43 to rotate the front latch hook 43, in other embodiments, the front latch hook 43 may also be directly arranged at the front part of the basket 3, and the front latch hook pulling connection member 433 is directly connected to the front latch hook 43. The middle latch hook 44 is pivotally connected to the middle part of the basket 3 through the middle latch hook rotating shaft 441, the middle latch hook elastic member 442 is abutted against the middle latch hook 44, two ends of the middle latch hook pulling connecting member 443 are respectively connected with the unlocking handle 41 and the middle latch hook 44, and the unlocking handle 41 drives the middle latch hook 44 to rotate through the middle latch hook pulling connecting member 443. Further, the rear shackle pulling connector 423, the front shackle pulling connector 433, and the middle shackle pulling connector 443 are all flexible plastic strips.
The first locking mechanism 4 has a locking operation state and an unlocking operation state, and when the first locking mechanism 4 is in the locking operation state, as shown in fig. 3 and 4, the rear lock hook 42 hooks the rear wheel axle 221 or the rear wheel bracket 22, and the front lock hook 43 hooks the front wheel bracket 21; when the first locking mechanism 4 is in the unlocking operation state, as shown in fig. 9 and 10, the rear lock hook 42 is disengaged from the rear wheel axle 221 or the rear wheel bracket 22, and the front lock hook 43 is disengaged from the front wheel bracket 21; the rear latch hook elastic member 422 applies an elastic force to the rear latch hook 42 such that the rear latch hook 42 rotates around the rear latch hook rotation shaft 421 in a direction tending to hook the rear wheel axle 221 or the rear wheel bracket 22, and the front latch hook elastic member 432 applies an elastic force to the front latch hook 43 such that the front latch hook 43 rotates around the front latch hook rotation shaft 431 in a direction tending to hook the front wheel bracket 21. When the unlocking handle 41 is pulled, the first locking mechanism 4 is shifted from the locking operation state to the unlocking operation state.
The car safety seat further comprises a second locking mechanism 5 for secondary locking of the basket 3 to the stroller frame 2. The second lock mechanism 5 includes a first lock slider 51, a first lock slider elastic member 52, a front lateral lock lever 53, and a rear lateral lock lever 54, as shown in fig. 3, 4, 9, and 10. The first locking slide block 51 is slidably disposed at the bottom of the basket 3 along the front-rear direction, the front portion of the first locking slide block 51 has a first slide block front locking hook 511, the rear portion of the first locking slide block 51 has a first slide block rear locking piece 512, the first locking slide block elastic piece 52 is in contact with the first locking slide block 51, the front transverse locking rod 53 is fixedly disposed at the front portion of the cart frame 2 and extends along the left-right direction, and the rear transverse locking rod 54 is fixedly disposed at the rear portion of the cart frame 2 and extends along the left-right direction. Further, the bottom of the basket 3 has a receiving groove 541 which cooperates with the rear transverse locking bar 54; when the basket 3 is placed on the trolley frame 2, the rear transverse locking bar 54 is located in this pocket 541, as shown in fig. 3 and 4, while there is a gap between the bottom of the basket 3 and the front transverse locking bar 53, allowing the first slider front locking hook 511 to pass.
The second locking mechanism 5 has a locking operation state and an unlocking operation state; when the second locking mechanism 5 is in the locking operation state, as shown in fig. 3 to 4, the front transverse locking rod 53 is hooked by the first slider front locking hook 511, the first slider rear locking piece 512 closes the accommodating groove 541 at the bottom of the basket 3 and locks the rear transverse locking rod 54 in the accommodating groove 541 at the bottom of the basket 3; when the second locking mechanism 5 is in the unlocking operation state, as shown in fig. 9 to 10, the first slider front lock hook 511 is disengaged from the front lateral lock lever 53, and the first slider rear lock 512 is disengaged from the rear lateral lock lever 54; when the second locking mechanism 5 is switched between the locking operation state and the unlocking operation state, the first locking slider 51 slides along the bottom of the basket, and the first locking slider elastic member 52 applies an elastic force to the first locking slider 51, so that the second locking mechanism 5 tends to enter the locking operation state.
A clutch device 6 is also provided between the first locking slide 51 and the rear shackle pulling connection 423 or the unlocking handle 41. When the folded cart frame 2 is placed on the base 1 and the basket 3 is placed on the cart frame 2, the clutch device 6 is in a closed working state. As shown in fig. 3, 4, 9 and 10, the first locking slider 51 is connected with the rear locking hook pulling connector 423 or the unlocking handle 41, and the unlocking handle 41 can drive the first locking slider 51 to slide, so that the first locking mechanism 4 and the second locking mechanism 5 synchronously switch from the locking working state to the unlocking working state or the first locking mechanism 4 and the second locking mechanism 5 synchronously switch from the unlocking working state to the locking working state; when the first locking mechanism 4 and the second locking mechanism 5 are in the unlocking working state, the basket 3 is allowed to be separated from the trolley frame, and the basket 3 can be independently lifted for use. When the lifting basket 3 is separated from the trolley frame, the clutch device 6 is in a separated working state, as shown in fig. 14; when the cart frame 2 is separated from the base 1 with the basket 3, the clutch device 6 is in a separated working state, the first locking slide block 51 is separated from the rear locking hook pulling connecting piece 423 or the unlocking handle 41, that is, the first locking slide block 51 is separated from the unlocking handle 41, the unlocking handle 41 cannot drive the first locking slide block 51 to slide, so that the first locking mechanism 4 and the second locking mechanism 5 are independently in a locking working state or an unlocking working state, and when the second locking mechanism 5 is in a locking working state, the basket 3 cannot be separated from the cart frame, as shown in fig. 17 and 18.
Specifically, the clutch device 6 includes a lock pin 61, a lock hook pulling connecting member 62, a lock pin elastic member 64, and a lock pin driving member 65. The latch bolt 61 is slidably disposed in the first lock slide 51 along the up-down direction, the latch hook pulls the connecting piece 62 to open the lock hole 63, the latch bolt elastic member 64 abuts against the latch bolt 61, the latch bolt elastic member 64 applies an elastic force in a direction to the latch bolt 61, the latch bolt 61 tends to be separated from the lock hole 63 due to the elastic force in the direction, and the latch bolt driving member 65 is used for driving the latch bolt 61 to slide towards the direction of inserting the latch bolt 63. In this embodiment, the latch hook pulling connecting piece 62 is the rear latch hook pulling connecting piece 423, the first locking slider 51 is connected with the rear latch hook pulling connecting piece 423 through the latch 61, so that the design is more concise, and in other embodiments, the latch hook pulling connecting piece 62 and the rear latch hook pulling connecting piece 423 can be separately arranged.
The cart frame 2 further includes a basket tray 7, as shown in fig. 17 and 18, the basket tray 7 being connected to a front wheel bracket 21 or a rear wheel bracket 22. In other embodiments, the basket tray 7 is connected to both the front wheel brackets 21 and the rear wheel brackets 22. The basket 3 is disposed on the basket tray 7, and at least a part of the basket 3 is disposed above the basket tray 7, and the latch driving member 65 is a trigger push rod, which is slidably disposed on the basket tray 7 in the up-down direction, with an upper end of the trigger push rod facing a lower end of the latch 61. The trigger push rod also abuts against the trigger push rod elastic member 71, and as shown in fig. 5, the trigger push rod elastic member 71 applies an elastic force to the trigger push rod so that the lower end portion of the trigger push rod has a tendency to protrude toward the bottom of the basket tray 7.
When the folded stroller frame 2 is placed on the base 1 with the basket 3, the latch driver 65 pushes the latch 61 to slide up along the first lock slide 51 so that part of the latch 61 is inserted into the lock hole 63 in the latch hook pull connector 62 and another part of the latch 61 is still located in the first lock slide 51. Specifically, the lower end of the trigger push rod (i.e. the latch driving member 65) is abutted against the upper surface of the base 1, so that the trigger push rod moves upwards, and the trigger push rod pushes the latch 61 to move upwards and insert into the locking hole 63, so that the clutch device 6 is in a closed working state.
After the cart frame 2 is separated from the base 1 with the basket 3, as shown in fig. 15 to 21, the latch 61 slides downward along the first locking slider 51 under the elastic force of the latch elastic member 64 (i.e., pushes the lower end portion of the trigger push rod to extend downward out of the lower bottom surface of the basket tray 7), and the latch 61 is separated from the latch hook to pull the locking hole 63 on the connecting member 62, so that the clutch device 6 is in a disengaged working state.
As shown in fig. 1, the cart frame 2 further includes front wheel brackets 21 located on the left and right sides, respectively, and rear wheel brackets 22 located on the left and right sides, respectively. The front wheel bracket 21 further includes a front wheel bracket cross link 8 for connecting two front wheel brackets on both left and right sides, as shown in fig. 3, 4, 9 and 10. The front wheel support transverse connecting rod 8 is provided with a front lock hook groove 81, when the first locking mechanism 4 is in a locking working state, the front lock hook 43 is hooked in the front lock hook groove 81, and when the first locking mechanism 4 is in an unlocking working state, the front lock hook 43 is separated from the front lock hook groove 81.
The car safety seat further comprises a third locking mechanism 9 for locking the trolley frame 2 to the base 1. The third locking mechanism 9 includes a second locking slider 91, a base front lock hook 92, a second locking slider driver 93, a second locking slider elastic member 94, a base lateral lock lever 95, a base rear lock hook 96, a base rear lock hook elastic member 97, and a base rear lock hook connecting member 98, as shown in fig. 6, 7, 11, and 12. The second locking slide block 91 is slidably arranged at the bottom of the basket tray 7 along the front-rear direction, the front part of the second locking slide block 91 is provided with a base front locking hook 92, and in the embodiment, the second locking slide block 91 and the base front locking hook 92 are integrally arranged; the front lower part of the base front latch hook 92 has a guide inclined surface 921, the guide inclined surface 921 is parallel to the base transverse locking lever 95, and the guide inclined surface 921 gradually inclines forward from top to bottom, and the base front latch hook 92 is located under the front of the base transverse locking lever 95; the second locking slider driving piece 93 is used for driving the second locking slider 91 to slide in the basket tray 7 along the front-back direction, the second locking slider elastic piece 94 is abutted against the second locking slider 91, the base transverse locking rod 95 extends along the left-right direction and is fixedly arranged at the front part of the base 1, the base rear lock hook 96 is pivotally connected to the rear part of the base 1 through the base rear lock hook rotating shaft 961, the base rear lock hook elastic piece 97 is abutted against the base rear lock hook 96, the front part of the base rear lock hook connecting piece 98 is connected with the second locking slider 91, and the rear part of the base rear lock hook connecting piece 98 is connected with the base rear lock hook 96.
The third locking mechanism 9 has a locking operation state and an unlocking operation state. When the third locking mechanism 9 is in the locking operation state, as shown in fig. 6 and 7, the base front lock hook 92 hooks the base lateral lock lever 95, and the base rear lock hook 96 hooks the rear wheel axle 221 or the rear wheel bracket 22; when the third locking mechanism is in the unlocking operation state, as shown in fig. 11 and 12, the base front lock hook 92 is disengaged from the base lateral lock lever 95, and the base rear lock hook 96 is disengaged from the rear wheel axle 221 or the rear wheel bracket 22; the base rear latch hook elastic member 97 applies an elastic force to the base rear latch hook 96 tending to hook the rear wheel axle 221 or the rear wheel bracket 22, and the second lock slider elastic member 94 applies an elastic force to the second lock slider 91 tending to cause the base front latch hook 92 to hook the base lateral lock lever 95.
The second lock slider 91 is further provided with a safety mechanism 99, and as shown in fig. 6, 7, 11, 12, and 29 to 32, in the opened state of the safety mechanism 99, the second lock slider 91 is allowed to slide so that the third lock mechanism 9 is brought into the unlocked state from the locked state, and in the closed state of the safety mechanism 99, the second lock slider 91 is prohibited from sliding so that the third lock mechanism 9 is brought into the locked state.
Specifically, the safety mechanism 99 includes a sliding bar 991 and a sliding bar elastic member 992, the sliding bar 991 is slidably inserted into the basket tray 7 along the up-down direction, the sliding bar elastic member 992 contacts with the sliding bar 991, and the sliding bar elastic member 992 applies an elastic force to the sliding bar 991 to enable the sliding bar 991 to have a trend of sliding upwards; in the closed state of the safety mechanism 99, the upper end portion of the slide bar 991 protrudes upward from the upper surface of the basket tray 7, and one side portion of the slide bar 991 is blocked in front of the sliding of the second lock slider 91, as shown in fig. 7 and 30; in the opened state of the safety mechanism 99, the upper end portion of the slide bar 991 is retracted into the upper surface of the basket tray 7, as shown in fig. 12 and 32. In particular, in the present embodiment, the sliding bar 991 has a boss 9911 on one side; in the closed state of the safety mechanism 99, the boss 9911 moves upward and is caught in front of the sliding of the second lock slider 91; in the opened state of the safety mechanism 99, the boss 9911 moves downward and is located below the second lock slider 91 to lose the blocking effect on the second lock slider 91, and the second lock slider 91 is movable.
The basket 3 has two working states of being separated from the basket tray 7 and being mounted on the basket tray 7, after the basket 3 is separated from the basket tray 7, the safety mechanism 99 is in a closed state, and the upper end part of the sliding stop lever 991 extends upwards to the upper surface of the basket tray 7, as shown in fig. 6 and 7; after the basket 3 is mounted on the basket tray 7, the bottom surface of the basket 3 presses down the upper end portion of the slide bar 991 to slide downward, and the safety mechanism 99 is in an open state as shown in fig. 11 and 12.
The embodiment also provides a basket disassembly method of the automobile safety seat. As described above, the car safety seat includes the first locking mechanism 4 for locking the basket 3 to the folded stroller frame 2, the second locking mechanism 5 for re-locking the basket 3 to the folded stroller frame 2, and the third locking mechanism 9 for locking the stroller frame 2 to the base 1, the clutch device 6 is provided between the first locking mechanism 4 and the second locking mechanism 5, the first locking mechanism 4 and the second locking mechanism 5 are connected so that the first locking mechanism 4 and the second locking mechanism 5 are synchronously in the locked or unlocked operation state in the engaged operation state of the clutch device 6, and the first locking mechanism 4 and the second locking mechanism 5 are disconnected so that the first locking mechanism 4 and the second locking mechanism 5 are independently in the locked or unlocked operation state in the disengaged operation state of the clutch device 6. Specifically, the basket disassembly method is that the third locking mechanism 9 is in a locking working state, then the first locking mechanism 4 and the second locking mechanism 5 are synchronously unlocked, and then the basket 3 is taken down from the cart frame 2; when the basket 3 is removed from the stroller frame 2, the clutch device 6 is in a disengaged operating state. The specific structure of the car safety seat is as described above and will not be described here again.
The embodiment also comprises a method for disassembling the lifting basket of the trolley frame of the automobile safety seat. As described above, the car safety seat includes the first locking mechanism 4 for locking the basket 3 to the folded stroller frame 2, the second locking mechanism 5 for re-locking the basket 3 to the folded stroller frame 2, and the third locking mechanism 9 for locking the stroller frame 2 to the base 1, the clutch device 6 is provided between the first locking mechanism 4 and the second locking mechanism 5, and in the engaged state of the clutch device 6, the first locking mechanism 4 and the second locking mechanism 5 are connected so that the first locking mechanism 4 and the second locking mechanism 5 are in the locked state or the unlocked state synchronously, and in the disengaged state of the clutch device 6, the first locking mechanism 4 and the second locking mechanism 5 are disconnected so that the first locking mechanism 4 and the second locking mechanism 5 are in the locked state or the unlocked state independently. Specifically, the disassembly method for the cart frame with the lifting basket is that the third locking mechanism 9 is in an unlocking working state, the cart frame 2 with the lifting basket 3 is taken off from the base 1, and when the cart frame 2 with the lifting basket 3 is taken off from the base 1, the clutch device 6 is in a separating working state.
The embodiment further includes a stroller, as shown in fig. 22, where the stroller is the stroller in the car safety seat, and when the stroller frame 2 is detached with the basket 3, the stroller frame is in a state when unfolded, a clutch device 6 is disposed between the first locking mechanism 4 and the second locking mechanism 5, and the clutch device 6 is in a separated working state, and in this working state, the first locking mechanism 4 and the second locking mechanism 5 are disconnected, so that the first locking mechanism 4 and the second locking mechanism 5 are independently in a locking working state or an unlocking working state. The lifting basket 3 is allowed to be separated from the trolley frame by unlocking the first locking mechanism 4 and the second locking mechanism 5, and the lifting basket 3 can be independently lifted for use. Alternatively, the clutch device 6 also has a closed operating state, and when the clutch device 6 is in the closed operating state, the first locking mechanism 4 and the second locking mechanism 5 are connected such that the first locking mechanism 4 and the second locking mechanism 5 are synchronously in the locking operating state or the unlocking operating state.
The present embodiment further includes another stroller, as shown in fig. 23 to 28, which includes a stroller frame 10 having a unfolded state, a basket 3 provided on the stroller frame 10, the stroller frame 10 including a front wheel bracket 101, a rear wheel bracket 102, a rear wheel 1022 pivotally connected to a lower portion of the rear wheel bracket 102 through a rear wheel axle 1021, and a front wheel 1012 pivotally connected to a lower portion of the front wheel bracket 101 through a front wheel axle 1011.
The other child stroller further includes a first locking mechanism 4 for locking the basket 3 on the stroller frame 10, where the first locking mechanism 4 includes an unlocking handle 41, a rear lock hook 42, a rear lock hook elastic member 422, a rear lock hook pulling connecting member 423, a front lock hook 43, a front lock hook elastic member 432, a front lock hook pulling connecting member 433, a middle lock hook 44, a middle lock hook elastic member 442, a middle lock hook pulling connecting member 443, and a middle lock rod 444, the unlocking handle 41 is slidably disposed at a front lower portion of the basket 3, the rear lock hook 42 is pivotally connected to a rear portion of the basket 3 through a rear lock hook rotating shaft 421, the rear lock hook elastic member 422 abuts against the rear lock hook 42, two ends of the rear lock hook pulling connecting member 423 are respectively connected with the unlocking handle 41 and the rear lock hook 42, and the unlocking handle 41 drives the rear lock hook 42 to rotate through the rear lock hook pulling connecting member 423; the front lock hook 43 is pivotally connected to the front part of the basket 3 through a front lock hook rotating shaft 431, the front lock hook elastic piece 432 is abutted against the front lock hook 43, two ends of a front lock hook pulling connecting piece 433 are respectively connected with the unlocking handle 41 and the front lock hook 43, the unlocking handle 41 drives the front lock hook 43 to rotate through the front lock hook pulling connecting piece 433, the middle lock hook 44 is pivotally connected to the middle part of the basket 3 through a middle lock hook rotating shaft 441, the middle lock hook elastic piece 442 is abutted against the middle lock hook 44, two ends of a middle lock hook 44 pulling connecting piece 443 are respectively connected with the unlocking handle 41 and the middle lock hook 44, the unlocking handle 41 drives the middle lock hook 44 to rotate through the middle lock hook 44 pulling connecting piece 443, and the middle lock rod 444 is fixedly arranged in the middle part of the cart frame 10; the rear shackle pulling connector 423, the front shackle pulling connector 433, and the middle shackle pulling connector 443 are all flexible plastic strips.
The first locking mechanism 4 has a locking operation state and an unlocking operation state, and when the first locking mechanism is in the locking operation state, as shown in fig. 25, the intermediate lock hook 44 hooks the intermediate lock lever 444; when the first locking mechanism is in the unlocked state, as shown in fig. 27 and 28, the intermediate lock hook 44 is disengaged from the intermediate lock rod 444, allowing the basket 3 to be separated from the cart frame 10; the intermediate latch hook elastic member 442 applies an elastic force to the intermediate latch hook 44 such that the intermediate latch hook 44 rotates about the intermediate latch hook rotation shaft 441 in a direction tending to hook the intermediate latch lever 444, and when the unlocking handle 41 is pulled, the first locking mechanism 4 is switched from the locking operation state to the unlocking operation state. The middle part of the cart frame 10 is provided with a slot 445 extending in the up-down direction, and as shown in fig. 25 and 27, the basket 3 is provided with an insert block 446 which is matched with the slot 445, the insert block 446 is inserted into the slot 445, the middle lock hook 44 is positioned in the slot 445, and the middle lock rod 444 is also positioned in the slot 445.
In this embodiment, when basket, shallow frame and base triplex when using as car safety seat, through clutch for first locking mechanical system, second locking mechanical system and third locking mechanical system linkage, operation unblock handle can control many locking mechanical systems simultaneously, and locking and unblock process are succinct, are convenient for put into and take out of basket, and when basket and shallow frame used as children's shallow, basket and shallow frame can lock completely, have improved children's shallow's security, have reduced the risk of misuse.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.

Claims (36)

1. An automobile safety seat comprises a base, a cart frame arranged on the base after being folded, and a lifting basket arranged on the cart frame; the cart frame comprises a front wheel bracket and a rear wheel bracket, and the lower part of the rear wheel bracket is pivotally connected with a rear wheel through a rear wheel shaft;
the method is characterized in that:
the automobile safety seat further comprises a first locking mechanism used for locking the lifting basket on the folded cart frame, a second locking mechanism used for locking the lifting basket on the folded cart frame and a third locking mechanism used for locking the cart frame on the base, a clutch device is arranged between the first locking mechanism and the second locking mechanism, the first locking mechanism and the second locking mechanism are connected in a closed working state of the clutch device, so that the first locking mechanism and the second locking mechanism are synchronously in a locking working state or an unlocking working state, and in a separated working state of the clutch device, the first locking mechanism and the second locking mechanism are disconnected, so that the first locking mechanism or the second locking mechanism is independently in the locking working state or the unlocking working state.
2. The car safety seat according to claim 1, wherein: the first locking mechanism includes:
the unlocking handle is arranged on the lifting basket;
the rear lock hook is pivotally connected to the rear part of the lifting basket through a rear lock hook rotating shaft;
the rear lock hook elastic piece is in contact with the rear lock hook;
the unlocking handle drives the rear lock hook to rotate through the rear lock hook pulling connecting piece;
the front lock hook is pivotally connected to the front part of the cart frame through a front lock hook rotating shaft;
the front lock hook elastic piece is in contact with the front lock hook;
the front lock hook driving piece is movably arranged at the front part of the basket and can drive the front lock hook to move;
the front lock hook pulling connecting piece, two ends of the front lock hook pulling connecting piece are respectively connected with the unlocking handle and the front lock hook driving piece, and the unlocking handle drives the front lock hook driving piece to move through the front lock hook pulling connecting piece, so that the front lock hook driving piece drives the front lock hook to rotate again;
The first locking mechanism is provided with a locking working state and an unlocking working state, when the first locking mechanism is in the locking working state, the rear lock hook hooks the rear wheel shaft or the rear wheel bracket, and the front lock hook hooks the front wheel bracket; when the first locking mechanism is in an unlocking working state, the rear lock hook is separated from the rear wheel shaft or the rear wheel bracket, the front lock hook driving piece is abutted against the front lock hook, and the front lock hook is separated from the front wheel bracket; the rear lock hook elastic piece applies an elastic force to the rear lock hook to enable the rear lock hook to rotate around the rear lock hook rotating shaft in a direction of tending to hook the rear wheel shaft or the rear wheel bracket, and the front lock hook elastic piece applies an elastic force to the front lock hook to enable the front lock hook to rotate around the front lock hook rotating shaft in a direction of tending to hook the front wheel bracket; when the unlocking handle is pulled, the first locking mechanism is switched from the locking working state to the unlocking working state.
3. The car safety seat according to claim 2, characterized in that: the front latch hook driving piece is pivotally connected to the front part of the basket through a front latch hook driving piece rotating shaft.
4. The car safety seat according to claim 2, characterized in that: the car safety seat also comprises a second locking mechanism for locking the lifting basket on the cart frame, wherein the second locking mechanism comprises:
the first locking slide block is arranged at the bottom of the lifting basket in a sliding manner along the front-back direction, the front part of the first locking slide block is provided with a first slide block front locking hook, and the rear part of the first locking slide block is provided with a first slide block rear locking piece;
the first locking slide block elastic piece is in contact with the first locking slide block;
the front transverse locking rod is fixedly arranged at the front part of the trolley frame and extends along the left-right direction;
the rear transverse locking rod is fixedly arranged at the rear part of the trolley frame and extends along the left-right direction;
the second locking mechanism is provided with a locking working state and an unlocking working state, when the second locking mechanism is in the locking working state, the front transverse locking rod is hooked by the front locking hook of the first sliding block, and the rear transverse locking rod is locked by the rear locking piece of the first sliding block; when the second locking mechanism is in an unlocking working state, the first sliding block front locking hook is separated from the front transverse locking rod, and the first sliding block rear locking piece is separated from the rear transverse locking rod; when the second locking mechanism is switched between a locking working state and an unlocking working state, the first locking sliding block slides along the bottom of the lifting basket; the first locking slide block elastic piece applies an elastic force to the first locking slide block, so that the second locking mechanism tends to enter a locking working state.
5. The car safety seat according to claim 4, wherein: a clutch device is arranged between the first locking sliding block and the rear locking hook pulling connecting piece or the unlocking handle, when the folded cart frame is placed on the base and the lifting basket is placed on the cart frame, the clutch device is in a closed working state, the first locking sliding block is connected with the rear locking hook pulling connecting piece or the unlocking handle, and the unlocking handle can drive the first locking sliding block to slide, so that the first locking mechanism and the second locking mechanism synchronously switch from the locking working state to the unlocking working state or the first locking mechanism and the second locking mechanism synchronously switch from the unlocking working state to the locking working state; when the first locking mechanism and the second locking mechanism are in an unlocking working state, allowing the lifting basket to be separated from the trolley frame; when the cart frame is separated from the base by the basket, the clutch device is in a separated working state, the first locking sliding block is pulled by the rear locking hook to be connected with the connecting piece or the unlocking handle to be disconnected, and the unlocking handle cannot drive the first locking sliding block to slide, so that the first locking mechanism and the second locking mechanism are independently in a locking working state or an unlocking working state.
6. The car safety seat according to claim 5, wherein: the clutch device comprises
The locking bolt is arranged in the first locking sliding block in a sliding manner along the up-down direction;
the locking hook pulling connecting piece is characterized in that a locking hole is formed in the rear locking hook pulling connecting piece, and the rear locking hook pulling connecting piece is the rear locking hook pulling connecting piece;
a deadbolt spring which abuts against the deadbolt, the deadbolt spring applying a directional spring force to the deadbolt that tends to disengage the deadbolt from the locking aperture;
a deadbolt driver for driving the deadbolt to slide in a direction into the lock hole;
when the folded cart frame is placed on the base with the basket, the locking bolt driving piece pushes the locking bolt to slide upwards along the first locking sliding block, so that the locking bolt part is inserted into the locking hole on the locking hook pulling connecting piece, and the other part of the locking bolt is still positioned in the first locking sliding block, and the clutch device is in a closed working state; after the cart frame is separated from the base by carrying the basket, the locking bolt slides downwards along the first locking sliding block under the action of the elastic force of the locking bolt elastic piece, the locking bolt is separated from the locking hole on the locking hook pulling connecting piece, and the clutch device is in a separated working state.
7. The car safety seat according to claim 6, wherein: the cart frame also comprises a basket tray, wherein the basket tray is connected with the front wheel bracket or/and the rear wheel bracket, and the basket is arranged on the basket tray and at least part of the basket is positioned above the basket tray; the locking bolt driving piece is a triggering push rod, the triggering push rod is arranged on the basket tray in a sliding manner along the up-down direction, and the upper end part of the triggering push rod faces to the lower end part of the locking bolt; when the cart frame is placed on the base with the lifting basket, the lower end part of the trigger push rod is abutted against the upper surface of the base, so that the trigger push rod moves upwards, the trigger push rod pushes the locking bolt to move upwards and insert into the locking hole, and the clutch device is in a closed working state; after the basket is separated from the base by the cart frame, the lock bolt slides downwards along the first locking sliding block under the action of the elastic force of the lock bolt elastic piece, the lower end part of the trigger push rod is pushed to extend downwards out of the lower bottom surface of the basket tray, and the clutch device is in a separated working state.
8. The car safety seat according to claim 7, wherein: the trigger push rod also contradicts and has trigger push rod elastic component, trigger push rod elastic component apply an elastic force to trigger push rod make trigger push rod's lower tip have the trend that stretches out to the bottom of basket tray.
9. The car safety seat according to claim 2, characterized in that: the cart frame comprises front wheel brackets positioned on the left side and the right side respectively and rear wheel brackets positioned on the left side and the right side respectively, the front wheel brackets further comprise front wheel bracket transverse connecting rods used for connecting the two front wheel brackets on the left side and the right side, front lock hook grooves are formed in the front wheel bracket transverse connecting rods, when the first locking mechanism is in a locking working state, the front lock hooks are hooked in the front lock hook grooves, and when the first locking mechanism is in an unlocking working state, the front lock hooks are separated from the front lock hook grooves.
10. The car safety seat according to claim 1, wherein: the cart frame also comprises a basket tray, wherein the basket tray is connected with the front wheel bracket or/and the rear wheel bracket, and the basket is arranged on the basket tray and at least part of the basket is positioned above the basket tray; the car safety seat also comprises a third locking mechanism for locking the cart frame on the base, and the third locking mechanism comprises:
The second locking sliding block is arranged at the bottom of the basket tray in a sliding manner along the front-back direction, and the front part of the second locking sliding block is provided with a base front locking hook;
the second locking slide block driving piece is used for driving the second locking slide block to slide in the basket tray along the front-back direction;
the second locking slide block elastic piece is abutted against the second locking slide block;
the base transverse locking rod extends along the left-right direction and is fixedly arranged at the front part of the base;
a base rear latch hook; the base rear lock hook is pivotally connected to the rear part of the base through a base rear lock hook rotating shaft;
the base rear lock hook elastic piece is abutted against the base rear lock hook;
the front part of the base rear lock hook connecting piece is connected with the second locking sliding block, and the rear part of the base rear lock hook connecting piece is connected with the base rear lock hook;
the third locking mechanism is provided with a locking working state and an unlocking working state, when the third locking mechanism is in the locking working state, the front base lock hook hooks the transverse base locking rod, and the rear base lock hook hooks the rear wheel shaft or the rear wheel bracket; when the third locking mechanism is in an unlocking working state, the front base lock hook is separated from the transverse base lock rod, and the rear base lock hook is separated from the rear wheel shaft or the rear wheel bracket; the base rear lock hook elastic piece applies an elastic force tending to hook the rear wheel shaft or the rear wheel bracket to the base rear lock hook, and the second lock slide block elastic piece applies an elastic force tending to enable the base front lock hook to hook the base transverse lock rod to the second lock slide block.
11. The car safety seat according to claim 10, wherein: the front lower part of the base front lock hook is provided with a guide inclined plane which is parallel to the base transverse locking rod, the guide inclined plane is inclined forwards gradually from top to bottom, and the base front lock hook is positioned at the front lower part of the base transverse locking rod.
12. The car safety seat according to claim 10, wherein: the second locking slide block is also provided with a safety mechanism, when the safety mechanism is in an open state, the second locking slide block is allowed to slide so that the third locking mechanism is in an unlocking working state from a locking working state, and when the safety mechanism is in a closed state, the second locking slide block is forbidden to slide so that the third locking mechanism is in a locking working state.
13. The car safety seat according to claim 12, wherein: the safety mechanism comprises
The sliding stop lever is inserted into the basket tray in a sliding manner along the up-down direction;
the sliding stop lever elastic piece is in contact with the sliding stop lever, and the sliding stop lever elastic piece applies an elastic force to the sliding stop lever so that the sliding stop lever has a trend of sliding upwards;
When the safety mechanism is in a closed state, the upper end part of the sliding stop lever extends upwards out of the upper surface of the basket tray, and one side part of the sliding stop lever is blocked in front of the sliding of the second locking slide block; when the safety mechanism is in an open state, the upper end part of the sliding stop lever is retracted into the upper surface of the basket tray, and one side part of the sliding stop lever is positioned below the second locking slide block and allows the second locking slide block to slide.
14. The car safety seat according to claim 13, wherein: the basket has two working states separated from the basket tray and mounted on the basket tray; after the basket is separated from the basket tray, the safety mechanism is in a closed state, and the upper end part of the sliding stop lever extends upwards out of the upper surface of the basket tray; after the basket is mounted on the basket tray, the bottom surface of the basket presses down the upper end part of the sliding stop lever to enable the upper end part of the sliding stop lever to slide downwards, and the safety mechanism is in an open state.
15. The car safety seat according to claim 2, characterized in that: the rear latch hook pulling connecting piece and the front latch hook pulling connecting piece are flexible plastic belts.
16. The car safety seat according to claim 2, characterized in that: the unlocking handle is arranged at the front lower part of the lifting basket in a sliding way.
17. A method for disassembling a lifting basket of an automobile safety seat is characterized by comprising the following steps of: the automobile safety seat comprises a base, a cart frame arranged on the base after being folded, a lifting basket arranged on the cart frame, a first locking mechanism for locking the lifting basket on the folded cart frame, a second locking mechanism for locking the lifting basket on the folded cart frame, and a third locking mechanism for locking the cart frame on the base, wherein a clutch device is arranged between the first locking mechanism and the second locking mechanism, and in the working state of the clutch device, the first locking mechanism and the second locking mechanism are connected to enable the first locking mechanism and the second locking mechanism to be in a locking working state or an unlocking working state synchronously, and in the working state of the clutch device, the first locking mechanism and the second locking mechanism are disconnected to enable the first locking mechanism and the second locking mechanism to be in the locking working state or the unlocking working state independently;
The basket disassembly method is that the third locking mechanism is in a locking working state, then the first locking mechanism and the second locking mechanism are synchronously unlocked, and then the basket is taken down from the cart frame; when the basket is taken off from the cart frame, the clutch device is in a working state.
18. The method for removing a basket of a car safety seat according to claim 17, wherein: the car safety seat according to any one of claims 1 to 16.
19. A method for disassembling a cart frame belt lifting basket of an automobile safety seat is characterized by comprising the following steps of: the automobile safety seat comprises a base, a cart frame arranged on the base after being folded, a lifting basket arranged on the cart frame, a first locking mechanism for locking the lifting basket on the folded cart frame, a second locking mechanism for locking the lifting basket on the folded cart frame, and a third locking mechanism for locking the cart frame on the base, wherein a clutch device is arranged between the first locking mechanism and the second locking mechanism, and in the working state of the clutch device, the first locking mechanism and the second locking mechanism are connected to enable the first locking mechanism and the second locking mechanism to be in a locking working state or an unlocking working state synchronously, and in the working state of the clutch device, the first locking mechanism and the second locking mechanism are disconnected to enable the first locking mechanism and the second locking mechanism to be in the locking working state or the unlocking working state independently;
The disassembly method of the cart frame with the lifting basket is that the third locking mechanism is in an unlocking working state, and then the cart frame with the lifting basket is taken down from the base; when the cart frame is taken down from the base with the basket, the clutch device is in a working state.
20. The cart frame belt basket disassembly method of an automotive safety seat according to claim 19, characterized in that: the car safety seat according to any one of claims 1 to 16.
21. A child cart comprises a cart frame with an unfolding state and a folding state, and a basket arranged on the cart frame; the cart frame comprises a front wheel bracket and a rear wheel bracket, wherein the lower part of the rear wheel bracket is connected with a rear wheel through a rear wheel shaft in a pivot manner, and the lower part of the front wheel bracket is provided with a front wheel; the method is characterized in that: the baby stroller further comprises a first locking mechanism for locking the lifting basket on the folded stroller frame and a second locking mechanism for locking the lifting basket on the folded stroller frame, a clutch device is arranged between the first locking mechanism and the second locking mechanism, the clutch device is in a separated working state, and in the working state, the first locking mechanism and the second locking mechanism are separated from each other, so that the first locking mechanism and the second locking mechanism are independently in a locking working state or an unlocking working state.
22. The stroller of claim 21, wherein: the first locking mechanism includes:
the unlocking handle is arranged on the lifting basket;
the rear lock hook is pivotally connected to the rear part of the lifting basket through a rear lock hook rotating shaft;
the rear lock hook elastic piece is in contact with the rear lock hook;
the unlocking handle drives the rear lock hook to rotate through the rear lock hook pulling connecting piece;
the front lock hook is pivotally connected to the front part of the cart frame through a front lock hook rotating shaft;
the front lock hook elastic piece is in contact with the front lock hook;
the front lock hook driving piece is movably arranged at the front part of the basket and can drive the front lock hook to move;
the front lock hook pulling connecting piece, two ends of the front lock hook pulling connecting piece are respectively connected with the unlocking handle and the front lock hook driving piece, and the unlocking handle drives the front lock hook to rotate through the front lock hook pulling connecting piece and the front lock hook driving piece;
The first locking mechanism is provided with a locking working state and an unlocking working state, when the cart frame is in a folding working state and the first locking mechanism is in the locking working state, the rear lock hook hooks the rear wheel shaft or the rear wheel bracket, and the front lock hook hooks the front wheel bracket; when the first locking mechanism is in an unlocking working state, the trolley frame is allowed to be in an unfolding working state, at the moment, the rear lock hook is separated from the rear wheel shaft or the rear wheel bracket, the front lock hook driving piece is abutted against the front lock hook, and the front lock hook is separated from the front wheel bracket; the rear lock hook elastic piece applies an elastic force to the rear lock hook to enable the rear lock hook to rotate around the rear lock hook rotating shaft in a direction of tending to hook the rear wheel shaft or the rear wheel bracket, and the front lock hook elastic piece applies an elastic force to the front lock hook to enable the front lock hook to rotate around the front lock hook rotating shaft in a direction of tending to hook the front wheel bracket; when the unlocking handle is pulled, the first locking mechanism is switched from the locking working state to the unlocking working state.
23. The stroller of claim 22, wherein: the front latch hook driving piece is pivotally connected to the front part of the basket through a front latch hook driving piece rotating shaft.
24. The stroller of claim 21 or 22, wherein: the child stroller further comprises a second locking mechanism for relocking the basket to the stroller frame, the second locking mechanism comprising:
the first locking slide block is arranged at the bottom of the lifting basket in a sliding manner along the front-back direction, the front part of the first locking slide block is provided with a first slide block front locking hook, and the rear part of the first locking slide block is provided with a first slide block rear locking piece;
the first locking slide block elastic piece is in contact with the first locking slide block;
the front transverse locking rod is fixedly arranged at the front part of the trolley frame and extends along the left-right direction;
the rear transverse locking rod is fixedly arranged at the rear part of the trolley frame and extends along the left-right direction;
the second locking mechanism is provided with a locking working state and an unlocking working state, when the second locking mechanism is in the locking working state, the front transverse locking rod is hooked by the front locking hook of the first sliding block, and the rear transverse locking rod is locked by the rear locking piece of the first sliding block; when the second locking mechanism is in an unlocking working state, the first sliding block front locking hook is separated from the front transverse locking rod, and the first sliding block rear locking piece is separated from the rear transverse locking rod; when the second locking mechanism is switched between a locking working state and an unlocking working state, the first locking sliding block slides along the bottom of the lifting basket; the first locking slide block elastic piece applies an elastic force to the first locking slide block, so that the second locking mechanism tends to enter a locking working state.
25. The stroller of claim 24, wherein: the first locking sliding block and the unlocking handle or the rear locking hook are provided with a clutch device between the first locking sliding block and the rear locking hook pulling connecting piece, the clutch device is in a working state, and the first locking mechanism and the second locking mechanism are independently in a locking working state or an unlocking working state.
26. A child cart comprises a cart frame with an unfolding state and a folding state, and a basket arranged on the cart frame; the cart frame comprises a front wheel bracket and a rear wheel bracket, wherein the lower part of the rear wheel bracket is connected with a rear wheel through a rear wheel shaft in a pivot manner, and the lower part of the front wheel bracket is provided with a front wheel; the method is characterized in that: the baby stroller further comprises a first locking mechanism for locking the lifting basket on the folded stroller frame and a second locking mechanism for locking the lifting basket on the folded stroller frame, a clutch device is arranged between the first locking mechanism and the second locking mechanism, and when the clutch device is in a closed working state, the first locking mechanism and the second locking mechanism are connected so that the first locking mechanism and the second locking mechanism are synchronously in a locking working state or an unlocking working state; when the clutch device is in a working state, the first locking mechanism and the second locking mechanism are disconnected, so that the first locking mechanism and the second locking mechanism are independently in a locking working state or an unlocking working state.
27. The stroller of claim 26, wherein: the first locking mechanism includes:
the unlocking handle is arranged on the lifting basket;
the rear lock hook is pivotally connected to the rear part of the lifting basket through a rear lock hook rotating shaft;
the rear lock hook elastic piece is in contact with the rear lock hook;
the unlocking handle drives the rear lock hook to rotate through the rear lock hook pulling connecting piece;
the front lock hook is pivotally connected to the front part of the cart frame through a front lock hook rotating shaft;
the front lock hook elastic piece is in contact with the front lock hook;
the front lock hook driving piece is movably arranged at the front part of the basket and can drive the front lock hook to move;
the front lock hook pulling connecting piece, two ends of the front lock hook pulling connecting piece are respectively connected with the unlocking handle and the front lock hook driving piece, and the unlocking handle drives the front lock hook to rotate through the front lock hook pulling connecting piece and the front lock hook driving piece;
The first locking mechanism is provided with a locking working state and an unlocking working state, when the cart frame is in a folding working state and the first locking mechanism is in the locking working state, the rear lock hook hooks the rear wheel shaft or the rear wheel bracket, and the front lock hook hooks the front wheel bracket; when the first locking mechanism is in an unlocking working state, the trolley frame is allowed to be in an unfolding working state, at the moment, the rear lock hook is separated from the rear wheel shaft or the rear wheel bracket, the front lock hook driving piece is abutted against the front lock hook, and the front lock hook is separated from the front wheel bracket; the rear lock hook elastic piece applies an elastic force to the rear lock hook to enable the rear lock hook to rotate around the rear lock hook rotating shaft in a direction of tending to hook the rear wheel shaft or the rear wheel bracket, and the front lock hook elastic piece applies an elastic force to the front lock hook to enable the front lock hook to rotate around the front lock hook rotating shaft in a direction of tending to hook the front wheel bracket; when the unlocking handle is pulled, the first locking mechanism is switched from the locking working state to the unlocking working state.
28. The stroller of claim 27, wherein: the front latch hook driving piece is pivotally connected to the front part of the basket through a front latch hook driving piece rotating shaft.
29. The stroller of claim 27, wherein: the second locking mechanism includes:
the first locking slide block is arranged at the bottom of the lifting basket in a sliding manner along the front-back direction, the front part of the first locking slide block is provided with a first slide block front locking hook, and the rear part of the first locking slide block is provided with a first slide block rear locking piece;
the first locking slide block elastic piece is in contact with the first locking slide block;
the front transverse locking rod is fixedly arranged at the front part of the trolley frame and extends along the left-right direction;
the rear transverse locking rod is fixedly arranged at the rear part of the trolley frame and extends along the left-right direction;
the second locking mechanism is provided with a locking working state and an unlocking working state, when the second locking mechanism is in the locking working state, the front transverse locking rod is hooked by the front locking hook of the first sliding block, and the rear transverse locking rod is locked by the rear locking piece of the first sliding block; when the second locking mechanism is in an unlocking working state, the first sliding block front locking hook is separated from the front transverse locking rod, and the first sliding block rear locking piece is separated from the rear transverse locking rod; when the second locking mechanism is switched between a locking working state and an unlocking working state, the first locking sliding block slides along the bottom of the lifting basket; the first locking slide block elastic piece applies an elastic force to the first locking slide block, so that the second locking mechanism tends to enter a locking working state.
30. The stroller of claim 29, wherein: the clutch device is arranged between the first locking sliding block and the rear locking hook pulling connecting piece or the unlocking handle.
31. The stroller of claim 30, wherein: the clutch device comprises
The locking bolt is arranged in the first locking sliding block in a sliding manner along the up-down direction;
the locking hook pulling connecting piece is provided with a locking hole, and the locking hook pulling connecting piece is the rear locking hook pulling connecting piece;
a deadbolt spring which abuts against the deadbolt, the deadbolt spring exerting a directional spring force on the deadbolt which tends to disengage the deadbolt from the lock aperture;
a deadbolt driver for driving the deadbolt to slide in a direction into the lock hole;
when the locking bolt driving piece pushes the locking bolt to slide upwards along the first locking sliding block, the locking bolt is partially inserted into the locking hole on the locking hook pulling connecting piece, and the other part of the locking bolt is still positioned in the first locking sliding block, and the clutch device is in a closed working state; the locking bolt slides downwards along the first locking sliding block under the elastic action of the locking bolt elastic piece, the locking bolt is separated from the locking hole on the locking hook pulling connecting piece, and the clutch device is in a separated working state.
32. The stroller of claim 31, wherein: the cart frame also comprises a basket tray, wherein the basket tray is connected with the front wheel bracket or/and the rear wheel bracket, and the basket is arranged on the basket tray and at least part of the basket is positioned above the basket tray; the locking bolt driving piece is a triggering push rod, the triggering push rod is arranged on the basket tray in a sliding manner along the up-down direction, and the upper end part of the triggering push rod faces to the lower end part of the locking bolt; when the trigger push rod moves upwards, the trigger push rod pushes the locking bolt to move upwards and insert into the locking hole, and the clutch device is in a closed working state; when the locking bolt slides downwards along the first locking sliding block under the action of the elastic force of the locking bolt elastic piece, the lower end part of the triggering push rod is pushed to extend downwards to the lower bottom surface of the basket tray, and the clutch device is in a working state.
33. The stroller of claim 32, wherein: the trigger push rod also contradicts and has trigger push rod elastic component, trigger push rod elastic component apply an elastic force to trigger push rod make trigger push rod's lower tip have the trend that stretches out to the bottom of basket tray.
34. The stroller of claim 27, wherein: the cart frame comprises front wheel brackets positioned on the left side and the right side respectively and rear wheel brackets positioned on the left side and the right side respectively, the front wheel brackets further comprise front wheel bracket transverse connecting rods used for connecting the two front wheel brackets on the left side and the right side, front lock hook grooves are formed in the front wheel bracket transverse connecting rods, when the first locking mechanism is in a locking working state, the front lock hooks are hooked in the front lock hook grooves, and when the first locking mechanism is in an unlocking working state, the front lock hooks are separated from the front lock hook grooves.
35. The stroller of claim 27, wherein: the rear latch hook pulling connecting piece and the front latch hook pulling connecting piece are flexible plastic belts.
36. The stroller of claim 27, wherein: the unlocking handle is arranged at the front lower part of the lifting basket in a sliding way.
CN202211046365.9A 2022-08-30 2022-08-30 Automobile safety seat, lifting basket disassembling method thereof and child stroller Active CN115402164B (en)

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WO2024046335A1 (en) * 2022-08-30 2024-03-07 好孩子儿童用品有限公司 Automobile safety seat and assemble and disassemble method for carrycot thereof, and child stroller

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