CN111497920A - Semi-closed locking device of baby stroller - Google Patents
Semi-closed locking device of baby stroller Download PDFInfo
- Publication number
- CN111497920A CN111497920A CN202010405487.7A CN202010405487A CN111497920A CN 111497920 A CN111497920 A CN 111497920A CN 202010405487 A CN202010405487 A CN 202010405487A CN 111497920 A CN111497920 A CN 111497920A
- Authority
- CN
- China
- Prior art keywords
- semi
- locking
- stroller
- rod
- cylindrical surface
- 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.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010008 shearing Methods 0.000 abstract description 10
- 238000001125 extrusion Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
- B62B2205/20—Catches; Locking or releasing an articulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2205/00—Hand-propelled vehicles or sledges being foldable or dismountable when not in use
- B62B2205/20—Catches; Locking or releasing an articulation
- B62B2205/24—Catches; Locking or releasing an articulation to hold in the folded position
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The invention relates to a semi-closed locking device of a children's barrow, wherein the children's barrow comprises a stroller frame with an unfolded state and a folded state, a front wheel assembly and a rear wheel assembly which are arranged at the bottom of the stroller frame, and a locking mechanism for locking the stroller frame in the unfolded state; the locking mechanism comprises a semi-closed locking device and an operating device, wherein the operating device 200 is connected with the semi-closed locking device through a traction rope; the invention has simple structure, is convenient and practical, and the children cart does not generate opening, shearing and extrusion from the axle center distance A of the full unfolding position to the position that the folded axle center distance is less than (2/3) A and the stroke distance of the children cart from the position that the unfolded axle center distance is less than (2/3) A to the axle center distance A of the full unfolding position; the danger caused by opening, shearing and extruding is avoided, and the use safety is further ensured.
Description
Technical Field
The invention belongs to the technical field of children products, and particularly relates to a semi-closed locking device of a stroller.
Background
In the design of the frame structure of the stroller, in order to meet the requirements of the practicability and the carrying convenience of consumers, the frame of the stroller is generally designed to be in a foldable form, so that the stroller is in an open state when in use, and when not in use, the frame can be folded to be folded into a smaller volume so as to be convenient to store or carry.
In order to fold the stroller frame, a locking mechanism is disposed on the stroller frame to lock the unfolded stroller frame and release the lock when the stroller frame needs to be folded, so that the locking mechanism not only ensures the fastening strength and rigidity of the stroller frame when the stroller frame is unfolded, but also needs to satisfy the operability of folding and unfolding, the safety brought by opening, shearing and extruding, and the economy of the stroller frame.
In view of the above problems, it is necessary to improve them.
Disclosure of Invention
The semi-closed locking device of the stroller is simple in structure, reasonable in design, high in clamping strength and rigidity during unfolding, and capable of avoiding danger caused by opening, shearing and squeezing when the stroller is unfolded, locked or folded.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a semi-enclosed locking device of a children's cart comprises a cart frame with an unfolded state and a folded state, a front wheel assembly and a rear wheel assembly arranged at the bottom of the cart frame, and a locking mechanism used for locking the cart frame in the unfolded state; the locking mechanism comprises a semi-closed locking device and an operating device, and the operating device is connected with the semi-closed locking device through a traction rope; by adopting the technical scheme, the locking or unlocking of the locking mechanism can be realized by arranging the operating device, the folding or unfolding of the child stroller is facilitated, the operation process is simple, and the child stroller has the advantages of simple structural design, good pressure resistance, reliable locking, safety in use and the like.
As a preferable scheme of the invention, the trolley frame comprises a push rod, a front rod, a rear rod, a transverse supporting rod and a seat rod, wherein the transverse supporting rod and the seat rod are connected with the rear rods on two sides.
As a preferable scheme of the present invention, the push rod is a hollow rod, a second waist hole is arranged near the lower part of the push rod, the second waist hole accommodates the locking piece and controls the movement stroke of the locking piece, the lower end part of the push rod is pivotally connected with the lower joint through a first shaft, and the upper part of the push rod is connected with the operating device.
As a preferable scheme of the invention, the upper part of the front rod is fixedly connected with the lower joint; the middle close to the upper end of the front rod is pivotally connected with the front end of the seat rod through a third shaft; the lower part of the front rod is connected with a front wheel assembly; the upper end of the rear rod is pivotally connected with the upper joint through a second shaft; the middle part of the rear rod is pivoted with the middle part of the seat rod through a fourth shaft; the lower part of the rear rod is connected with a rear wheel component.
As a preferable scheme of the invention, the semi-closed locking device comprises an upper joint, a lower joint, a locking piece, a locking slide block, a spring and a traction cable; the upper joint is provided with an inner cylindrical surface, and the radius R of the inner cylindrical surface is equal to the radius R of the outer cylindrical surface; the upper joint is provided with a handle part extending out of the inner cylindrical surface; the upper joint is fixedly connected to the lower part of the push rod in a penetrating way, and the axis of the inner cylindrical surface of the upper joint is coincided with the axis of the first shaft.
In a preferred embodiment of the present invention, the lower joint is pivotally connected to the lower portion of the push rod via a first shaft, and an axis of an outer cylindrical surface of the lower joint coincides with an axis of the first shaft.
As a preferable scheme of the invention, the lower end surface of the lower joint is saddle-shaped, and the lower end surface of the lower joint rides on the handle part of the upper joint; an outer cylindrical surface is arranged on the upper surface of the lower joint; an opening groove with an opening facing to the outer cylindrical surface is formed in the saddle-shaped inner part; the saddle-shaped inner part is provided with a vertical surface, and the radius R of the outer cylindrical surface is equal to the radius R of the inner cylindrical surface; the opening groove of the lock piece is used for accommodating the lock piece; the vertical surface of the locking slide block is abutted against the semi-cylindrical surface on the locking slide block.
As a preferable scheme of the invention, one end of the locking slide block is provided with a semi-cylindrical surface which is always kept to be contacted with the outer surface of the push rod 1 and a vertical surface 102c on the lower joint 102 through the elastic force of the spring 105 in the folding process of the trolley frame; the other end is connected with a traction cable 106 and is propped against a spring 105; the lower part of the first shaft is provided with a first waist hole 104b for accommodating the first shaft, and the first waist hole 104b controls the sliding stroke of the locking slide block 104.
As a preferable scheme of the present invention, a locking member is fixed in the middle of the locking slider: the locking slider is slidably connected in the push rod.
In a preferred embodiment of the present invention, the locking member is fixedly connected to the locking slider and extends from the second waist hole of the push rod.
The invention has the beneficial effects that:
the invention has simple structure, is convenient and practical, and the children cart does not generate opening, shearing and extrusion from the axle center distance A of the full unfolding position to the position that the folded axle center distance is less than (2/3) A and the stroke distance of the children cart from the position that the unfolded axle center distance is less than (2/3) A to the axle center distance A of the full unfolding position; the danger caused by opening, shearing and extruding is avoided, and the use safety is further ensured.
Drawings
FIG. 1 is a perspective view of a stroller according to an embodiment of the present invention in an unfolded state;
FIG. 2 is a side view of the stroller in an unfolded state according to the embodiment of the present invention;
FIG. 3 is a schematic partial cross-sectional view of FIG. 2 in accordance with an embodiment of the present invention;
FIG. 4 is a perspective view of the stroller of an embodiment of the present invention folded from the unfolded position at the centerline distance A to a position at a centerline distance less than (2/3) A;
FIG. 5 is a side view of the stroller of an embodiment of the present invention folded from an unfolded position at center-of-axle distance A to a position at center-of-axle distance less than (2/3) A;
FIG. 6 is a schematic partial cross-sectional view of FIG. 5 in accordance with an embodiment of the present invention;
FIG. 7 is a perspective view of the stroller of an embodiment of the present invention in a folded state;
FIG. 8 is a side view of the stroller of an embodiment of the present invention in a folded position;
FIG. 9 is a schematic partial cross-sectional view of FIG. 8 in accordance with an embodiment of the present invention;
reference numbers in the figures: 1. a push rod; 1a, a second waist hole; 2. a front bar; 3. a rear bar; 4. a seat post; 5. a transverse stay bar; 6. a first shaft; 7. a second shaft; 8. a third axis; 9. a fourth axis; 100. a semi-enclosed locking device; 200. an operating device; 300. a front wheel assembly; 400. a rear wheel assembly. 101. An upper joint; 102. the lower joint; 103. a locking member; 104. locking the slide block; 105. a spring; 106. a traction cable; 101a, an inner cylindrical surface; 102a, an outer cylindrical surface; 102b, open slots; 102c, facade. 104a, a semi-cylindrical surface; 104b, a first waist hole.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in fig. 1 to 9, the present embodiment provides a semi-enclosed locking device for a stroller, which comprises a stroller frame having an unfolded state and a folded state, a front wheel assembly 300 and a rear wheel assembly 400 disposed at the bottom of the stroller frame, and a locking mechanism for locking the stroller frame in the unfolded state; the locking mechanism comprises a semi-enclosed locking device 100 and an operating device 200, wherein the operating device 200 is connected with the semi-enclosed locking device 100 through a traction cable 106; by adopting the technical scheme, the locking or unlocking of the locking mechanism can be realized by arranging the operating device, the folding or unfolding of the baby stroller is facilitated, the operation process is simple, and the baby stroller has the advantages of simple structural design, good pressure resistance, reliable locking, safe use and the like; meanwhile, the invention enables the children's cart not to generate opening, shearing and extrusion in the stroke distance from the axle center distance A of the fully unfolded position to the position folded to the axle center distance smaller than (2/3) A and the stroke distance from the children's cart to the axle center distance A of the fully unfolded position which is unfolded to the position with the axle center distance smaller than (2/3) A by arranging the locking device.
Specifically, the cart frame comprises a push rod 1, a front rod 2, a rear rod 3, a transverse support rod 5 and a seat rod 4, wherein the transverse support rod 5 and the seat rod 4 are connected with the rear rods 3 at two sides; the push rod 1 is a hollow rod, the lower part of the push rod 1 is provided with a second waist hole 1a, the second waist hole 1a is used for accommodating the locking piece 103 and controlling the movement stroke of the locking piece 103, the lower end part of the push rod 1 is pivoted with the lower joint 102 through a first shaft 6, and the upper part of the push rod 1 is connected with the operating device 200; the movement of the locking member of the semi-enclosed locking device 100 from the locked state to the unlocked state in the fully unfolded position of the stroller is enclosed in the semi-enclosed locking device in the second waist opening 1a so that the occupant does not reach the locking member.
The upper part of the front rod 2 is fixedly connected with the lower joint 102; the middle close to the upper end of the front rod 2 is pivotally connected with the front end of the seat rod 4 through a third shaft 8; the lower part of the front rod 2 is connected with a front wheel assembly 300; the upper end of the rear rod 3 is pivotally connected with the upper joint 101 through a second shaft 7; the middle part of the rear rod 3 is pivoted with the middle part of the seat rod 4 through a fourth shaft 9; the lower portion of the rear lever 3 is connected to a rear wheel assembly 400.
The semi-enclosed locking device 100 comprises an upper joint 101, a lower joint 102, a locking piece 103, a locking slider 104, a spring 105 and a traction cable 106; the upper joint 101 is provided with an inner cylindrical surface 101a, and the radius R of the inner cylindrical surface 101a is equal to the radius R of the outer cylindrical surface 102 a; the upper joint 101 is provided with a handle part 101b extending from the inner cylindrical surface 101 a; the upper joint 101 is fixedly connected to the lower part of the push rod 1 in a penetrating manner, and the axis of the inner cylindrical surface 101a thereof coincides with the axis of the first shaft 6.
Specifically, the inner cylindrical surface 101a of the upper joint 101 of the semi-enclosed locking device 100 of the stroller of the present invention is fitted with the outer cylindrical surface 102a of the lower joint 102 such that the arc length of the fit overlap is proportional to the travel distance, which ensures that the locking device on the stroller does not open, shear or squeeze during the travel distance.
The lower joint 102 is pivotally connected with the lower part of the push rod 1 through a first shaft 6, and the axis of an outer cylindrical surface 102a on the lower joint 102 is coincident with the axis of the first shaft 6; the matching structure has good mechanical property and low failure rate, and the lower joint 102 is easily matched and connected with the upper joint 101.
The lower end surface of the lower joint 102 is saddle-shaped, and the lower end surface of the lower joint 102 rides on the handle part 101b of the upper joint 101; an outer cylindrical surface 102a is arranged on the upper surface of the lower joint 102; an opening groove 102b with an opening facing the outer cylindrical surface 102a is arranged in the saddle shape; the saddle-shaped inner part is provided with a vertical surface 102c, and the radius R of the outer cylindrical surface 102a is equal to the radius R of the inner cylindrical surface 101 a; the opening groove 102b thereof accommodates the locking piece 103; the vertical surface 102c of the locking slide block is abutted against a semi-cylindrical surface 104a on the locking slide block 104; the lower joint 102 of the locking device of the stroller of the present invention is saddle-shaped and rides on the handle 101b extending from the inner cylindrical surface of the upper joint 101 to close the saddle-shaped opening below the lower joint 102, thereby preventing the locking device of the stroller from opening, shearing, and squeezing during the travel distance described above.
One end of the locking slide block 104 is provided with a semi-cylindrical surface 104a, and the semi-cylindrical surface 104a is always kept to be abutted against the outer surface of the push rod 1 and a vertical surface 102c on the lower joint 102 through the elastic force of a spring 105 in the folding process of the trolley frame; the other end is connected with a traction cable 106 and is propped against a spring 105; a first waist hole 104b is arranged at the lower part of the locking slide block and used for accommodating a first shaft, and the sliding stroke of the locking slide block 104 is controlled by the first waist hole 104 b; when the stroller is in the fully unfolded position, the locking member 103 of the semi-enclosed locking device 100 is located at the lower position of the second waist hole and in the open slot of the lower joint under the elastic force of the spring 105, and the stroller is in the locked state.
The semi-enclosed locking device 100 of the stroller limits the locking member to the upper position of the second waist hole to be fixed and hidden in the upper joint through the outer cylindrical surface 102a, the outer surface of the push rod 1 and the vertical surface 102c on the lower joint 102 in the process of the unlocking state to the folding state of the stroller at the fully unfolded position of the stroller, thereby avoiding shearing and extrusion.
The middle part of the locking slider 104 is fixed with a locking piece 103: the locking slide block 104 is connected in the push rod 1 in a sliding way, and the locking piece 103 is fixedly connected on the locking slide block 104 and extends out of the second waist hole 1a on the push rod 1; the semi-enclosed locking device 100 of the stroller of the present invention is in the fully enclosed state within the above-mentioned travel distance, and the device does not generate opening, shearing and squeezing in the fully enclosed state; outside the above-mentioned travel distance the device is in an incompletely closed state.
The working principle of the invention is as follows: when the stroller is folded, the operating device 200 is activated to enable the traction cable 106 to pull the locking slider 104, the locking piece 103 slides upwards in the second waist hole 1a along with the locking slider 104 until sliding out of the opening groove 102b on the lower joint 102, so that the stroller is unlocked, the stroller can be folded, and during folding of the stroller, the locking piece 103 is kept at the upper end in the second waist hole 1a under the action of the abutting of the locking piece 103 and the semi-cylindrical surface 104a on the locking slider 104 against the outer cylindrical surface 102a, the outer surface of the push rod 1 and the vertical surface 102c on the lower joint 102; conversely, in the unfolding process of the stroller, the semi-cylindrical surface 104a and the locking piece 103 on the locking slider 104 are kept at the upper end of the second kidney hole 1a all the time under the action that the vertical surface 102c, the outer surface of the push rod 1 and the outer cylindrical surface 102a on the lower joint 102 are abutted, until the stroller is in the fully unfolded position, the locking slider 104 slides the locking piece 103 into the opening groove 102b on the lower joint 102 along with the locking slider 104 under the elastic force of the spring 105, so that the stroller is locked.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more here: 1. a push rod; 1a, a second waist hole; 2. a front bar; 3. a rear bar; 4. a seat post; 5. a transverse stay bar; 6. a first shaft; 7. a second shaft; 8. a third axis; 9. a fourth axis; 100. a semi-enclosed locking device; 200. an operating device; 300. a front wheel assembly; 400. a rear wheel assembly. 101. An upper joint; 102. the lower joint; 103. a locking member; 104. locking the slide block; 105. a spring; 106. a traction cable; 101a, an inner cylindrical surface; 102a, an outer cylindrical surface; 102b, open slots; 102c, facade. 104a, a semi-cylindrical surface; 104b, first waist aperture, etc., without excluding the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. A semi-enclosed locking device for a stroller, the stroller comprising a stroller frame having an unfolded state and a folded state, a front wheel assembly (300) and a rear wheel assembly (400) provided at a bottom of the stroller frame, a locking mechanism for locking the stroller frame in the unfolded state; the method is characterized in that: the locking mechanism comprises a semi-closed locking device (100) and an operating device (200), wherein the operating device (200) is connected with the semi-closed locking device (100) through a traction rope (106); the semi-closed locking device (100) comprises an upper joint (101), a lower joint (102), a locking piece (103), a locking slider (104), a spring (105) and a traction cable (106); the upper joint (101) is provided with an inner cylindrical surface (101a), and the radius R of the inner cylindrical surface (101a) is equal to the radius R of the outer cylindrical surface (102 a); a handle part (101b) extending from the inner cylindrical surface (101a) is arranged on the upper joint (101); the upper joint (101) is fixedly connected to the lower part of the push rod (1) in a penetrating way, and the axis of the inner cylindrical surface (101a) of the upper joint is superposed with the axis of the first shaft (6).
2. The semi-enclosed locking device for stroller of claim 1, wherein: the trolley frame comprises a push rod (1), a front rod (2), a rear rod (3), and a transverse supporting rod (5) and a seat rod (4) which are connected with the rear rods (3) at two sides.
3. The semi-enclosed locking device for stroller of claim 2, wherein: the push rod (1) is a hollow rod, a second waist hole (1a) is formed in the lower portion, close to the lower portion of the push rod, the second waist hole (1a) accommodates a locking piece (103) and controls the movement stroke of the locking piece, the lower end portion of the push rod (1) is connected with a lower joint (102) through a first shaft (6) in a pivoted mode, and the upper portion of the push rod (1) is connected with an operating device (200).
4. The semi-enclosed locking device for stroller of claim 2, wherein: the upper part of the front rod (2) is fixedly connected with the lower joint (102); the middle part close to the upper end of the front rod (2) is pivotally connected with the front end of the seat rod (4) through a third shaft (8); the lower part of the front rod (2) is connected with a front wheel assembly (300); the upper end of the rear rod (3) is pivoted with the upper joint (101) through a second shaft (7); the middle part of the rear rod (3) is pivoted with the middle part of the seat rod (4) through a fourth shaft (9); the lower part of the rear rod (3) is connected with a rear wheel assembly (400).
5. The semi-enclosed locking device for stroller of claim 4, wherein: the lower joint (102) is pivotally connected with the lower part of the push rod (1) through a first shaft (6), and the axis of an outer cylindrical surface (102a) on the lower joint (102) is coincident with the axis of the first shaft (6).
6. The semi-enclosed locking device for stroller of claim 5, wherein: the lower end surface of the lower joint (102) is saddle-shaped, and the lower end surface of the lower joint (102) rides on a handle part (101b) of the upper joint (101); an outer cylindrical surface (102a) is arranged on the upper surface of the lower joint (102); the saddle-shaped inner part is provided with an opening groove (102b) with an opening facing the outer cylindrical surface (102 a); the saddle-shaped inner part is provided with a vertical surface (102c), and the radius R of the outer cylindrical surface (102a) is equal to the radius R of the inner cylindrical surface (101 a); the opening groove (102b) thereof accommodates the locking piece (103); the vertical surface (102c) of the lock slide (104) is abutted against a semi-cylindrical surface (104 a).
7. The semi-enclosed locking device for stroller of claim 6, wherein: one end of the locking slide block (104) is provided with a semi-cylindrical surface (104a), and the semi-cylindrical surface (104a) is always kept to be abutted against the outer surface of the push rod (1) and a vertical surface 102c on the lower joint 102 through the elastic force of a spring (105) in the folding process of the trolley frame; the other end of which is connected to a traction cable 106 and against a spring 105.
8. The semi-enclosed locking device for stroller of claim 7, wherein: the lower part of the locking slide block (104) is provided with a first waist hole (104b) for accommodating the first shaft (6), and the first waist hole (104b) controls the sliding stroke of the locking slide block (104).
9. The semi-enclosed locking device for stroller of claim 8, wherein: a locking piece (103) is fixed in the middle of the locking slide block (104): the locking slider (104) is connected in the push rod (1) in a sliding way.
10. The semi-enclosed locking device for stroller of claim 9, wherein: the locking piece (103) is fixedly connected to the locking slide block (104) and extends out of the second waist hole (1a) on the push rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010405487.7A CN111497920B (en) | 2020-05-14 | 2020-05-14 | Semi-closed locking device of child cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010405487.7A CN111497920B (en) | 2020-05-14 | 2020-05-14 | Semi-closed locking device of child cart |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111497920A true CN111497920A (en) | 2020-08-07 |
| CN111497920B CN111497920B (en) | 2024-07-05 |
Family
ID=71868347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010405487.7A Active CN111497920B (en) | 2020-05-14 | 2020-05-14 | Semi-closed locking device of child cart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111497920B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201545031U (en) * | 2009-10-29 | 2010-08-11 | 浙江晨辉婴宝儿童用品有限公司 | Foldable baby carriage |
| CN104228919A (en) * | 2013-06-20 | 2014-12-24 | 珠海优力创工贸有限公司 | Baby stroller |
| CN205819295U (en) * | 2016-06-30 | 2016-12-21 | 浙江晨辉婴宝儿童用品有限公司 | The folding/unfolding joint of stroller and stroller |
| CN206615263U (en) * | 2017-03-03 | 2017-11-07 | 好孩子儿童用品有限公司 | Children trolley |
| CN209336796U (en) * | 2018-10-12 | 2019-09-03 | 好孩子儿童用品有限公司 | Finger cradle head and children trolley |
| CN110758529A (en) * | 2019-10-18 | 2020-02-07 | 好孩子儿童用品有限公司 | Locking mechanism of children's supplies |
| CN213323299U (en) * | 2020-05-14 | 2021-06-01 | 宁波神马儿童用品有限公司 | Semi-closed locking device of baby stroller |
-
2020
- 2020-05-14 CN CN202010405487.7A patent/CN111497920B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201545031U (en) * | 2009-10-29 | 2010-08-11 | 浙江晨辉婴宝儿童用品有限公司 | Foldable baby carriage |
| CN104228919A (en) * | 2013-06-20 | 2014-12-24 | 珠海优力创工贸有限公司 | Baby stroller |
| US20150307121A1 (en) * | 2013-06-20 | 2015-10-29 | Unitron Enterprises Zhuhai Co., Ltd. | Stroller |
| CN205819295U (en) * | 2016-06-30 | 2016-12-21 | 浙江晨辉婴宝儿童用品有限公司 | The folding/unfolding joint of stroller and stroller |
| CN206615263U (en) * | 2017-03-03 | 2017-11-07 | 好孩子儿童用品有限公司 | Children trolley |
| CN209336796U (en) * | 2018-10-12 | 2019-09-03 | 好孩子儿童用品有限公司 | Finger cradle head and children trolley |
| CN110758529A (en) * | 2019-10-18 | 2020-02-07 | 好孩子儿童用品有限公司 | Locking mechanism of children's supplies |
| CN213323299U (en) * | 2020-05-14 | 2021-06-01 | 宁波神马儿童用品有限公司 | Semi-closed locking device of baby stroller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111497920B (en) | 2024-07-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11904925B2 (en) | Folding stroller | |
| CN106828579B (en) | Seat and frame interlocked integrated folding baby stroller | |
| EP2014536B1 (en) | Foldable toy stroller | |
| US20080061534A1 (en) | Folding device for strollers | |
| CN107985378B (en) | Child cart | |
| CN211196327U (en) | Baby carriage frame and baby carriage | |
| CN213323299U (en) | Semi-closed locking device of baby stroller | |
| CN109466614B (en) | Foldable trolley | |
| CN111497920A (en) | Semi-closed locking device of baby stroller | |
| CN111619645B (en) | Child cart | |
| CN113511251B (en) | Children's trailer | |
| CN209904848U (en) | Push rod assembly of folding stroller and folding stroller | |
| CN214104936U (en) | Simple opening and closing structure for supporting wheelchair | |
| CN210027556U (en) | Folding frame structure of baby stroller | |
| CN210149409U (en) | Children's shallow with preceding handrail | |
| CN107776641B (en) | Cart frame | |
| CN213619925U (en) | Baby carriage frame and baby carriage | |
| CN220076460U (en) | Portable folding handcart | |
| CN216140042U (en) | Children's trailer | |
| CN218400685U (en) | Children's barrow | |
| CN215663596U (en) | Children's barrow | |
| CN216424527U (en) | Children's barrow | |
| CN216140041U (en) | Trailer for children | |
| CN211918801U (en) | Foldable stroller | |
| CN219056355U (en) | Child cart |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |