CN108297926B - Can conveniently fold children's shallow of receipts - Google Patents
Can conveniently fold children's shallow of receipts Download PDFInfo
- Publication number
- CN108297926B CN108297926B CN201810186714.4A CN201810186714A CN108297926B CN 108297926 B CN108297926 B CN 108297926B CN 201810186714 A CN201810186714 A CN 201810186714A CN 108297926 B CN108297926 B CN 108297926B
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- joint
- gear
- folding
- seat
- steel rope
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 98
- 239000010959 steel Substances 0.000 claims abstract description 98
- 238000001125 extrusion Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000005484 gravity Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
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
- 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
- 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
- B62B7/062—Coupling unit between front wheels, rear wheels and handle
-
- 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
- B62B7/064—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable the handle bar being parallel to the front leg
- B62B7/066—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable the handle bar being parallel to the front leg the handle bar moves in parallel relation 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
- 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
- B62B7/086—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 becoming smaller in all three dimensions
-
- 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
- B62B7/10—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable by folding down the body to the wheel carriage or by retracting projecting parts into the box-shaped body
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
- Flexible Shafts (AREA)
Abstract
The invention discloses a child cart capable of being conveniently folded and unfolded, which comprises a frame part and a seat frame part, wherein the frame part comprises a handle assembly, a front wheel assembly, a rear wheel assembly and a seat frame supporting tube, and the handle assembly and the seat frame supporting tube are connected into a rotatable folding structure; the seat frame part comprises a seat frame pipe, an upper seat pipe and a lower seat pipe; the seat lower tube, the folding steel rope, the lower joint, the upper joint, the folding gear, the folding spring, the folding spanner block and other parts form a folding structure of the seat frame part, and the folding spring is tensioned by the folding spanner block, so that the folding gear is separated from the upper joint to realize the folding of the seat frame part; the inner joint, the supporting joint, the vehicle collecting gear, the vehicle collecting spring, the vehicle collecting pull rod, the upper and lower vehicle collecting steel ropes and other parts form a vehicle collecting structure of the vehicle frame part, and the upper and lower vehicle collecting steel ropes are tensioned through the vehicle collecting pull rod, so that the gear in the joint is released from clamping, and the effects of forward vehicle collecting and reverse vehicle collecting are achieved. Convenient operation, time saving and labor saving, and can be completed by one hand.
Description
Technical Field
The invention relates to the technical field of infant products, in particular to an infant handcart structure capable of being conveniently folded and unfolded.
Background
Along with the improvement of living standard, the baby carrier becomes a necessary tool for baby, and the baby is put on the baby carrier and pushed by an adult to walk, so that the baby carrier is greatly convenient for nursing actions of adults, can also make the baby more comfortable and safer. However, the baby strollers on the market are generally complex, most of them cannot be folded, and are not convenient to store and transport. In order to solve the above problems, a foldable baby carrier is designed, however, most of the conventional baby carriers need to manually pull (or push) the handle tube, the front foot tube, the rear foot tube, the seat frame tube and other parts to realize folding, and the manual operation mode is time-consuming and labor-consuming, is troublesome to operate, is difficult to complete the operation by one hand, causes inconvenience to users with weak manual ability, and is especially unfavorable for the old and women.
Disclosure of Invention
The invention aims to solve the technical problem of providing the foldable baby stroller which is reasonable in structural design, convenient and labor-saving in unfolding operation and folding operation, and convenient to fold and fold, and can be folded forward or backward.
In order to solve the technical problems, the invention adopts the following technical scheme: a children cart capable of being folded and folded conveniently comprises a frame part and a seat frame part, wherein the frame part comprises a handle assembly, a front wheel assembly, a rear wheel assembly and a seat frame supporting tube, and the handle assembly and the seat frame supporting tube are connected into a rotatable folding structure; the seat frame part is including the seat frame pipe, seat upper tube and the seat lower tube that are used for installing soft seat spare, and seat frame pipe one can fix soft seat spare and can not forward the pulling, and secondly can bring soft seat spare to fold together when receiving, its characterized in that: the seat support tube is internally provided with a fixed seat, the rear part of the fixed seat is connected with a rear foot tube, and the rear wheel assembly is connected with the bottom end of the rear foot tube; the upper end of the front wheel assembly is connected with the front end of the fixed seat through a rotating shaft to form a rotatable structure, a rotatable connecting pipe is connected to the upper part of the front wheel assembly, and the other end of the connecting pipe is connected with a sliding seat to form a rotatable structure; the sliding seat is arranged in a sliding groove of the rear foot pipe to form a vertical sliding structure, a sliding seat clamping shaft is arranged in the sliding seat, a rotatable clamping hook which is matched with the sliding seat clamping shaft and provided with a hook-shaped part is arranged at the bottom of the fixed seat, and the sliding seat clamping shaft is hooked by the hook-shaped part of the clamping hook to form a locking and fixing structure for the front wheel assembly; the clamping hook is connected with a lower car-collecting steel rope to form a rotary driving structure for the clamping hook, the upper end of the lower car-collecting steel rope is connected with a car-collecting pull rod, the car-collecting pull rod is arranged on the fixing seat, and the clamping hook is arranged at the bottom of the fixing seat in a matched manner through a shaft pin and a torsion spring;
the lower end of the seat upper pipe is connected with an upper joint, the upper end of the seat lower pipe is connected with a lower joint, and the seat upper pipe and the seat lower pipe are connected with each other through the upper joint and the lower joint to form a rotatable folding structure; the front end of the seat frame pipe is connected with the seat lower pipe through a rotating shaft to form a rotatable structure, the middle position of the seat frame pipe is connected with the lower end of the seat frame connecting piece through a shaft pin, and the upper end of the seat frame connecting piece is connected with the lower part of the upper joint to form a rotatable structure; a folding spring and a folding gear are arranged between the upper joint and the lower joint, tooth groove structures matched with the folding gear are arranged in the upper joint and the lower joint, and the folding spring tightly presses the folding gear to enable the folding gear to be mutually clamped with the tooth groove structures of the upper joint and the lower joint to form a fixed structure; the folding gear is connected with a folding steel rope, the folding steel rope is connected with a folding spanner block, and the folding steel rope is tensioned through the folding spanner block so that the folding gear is separated from the upper joint or the lower joint to form a rotatable folding structure; in the seat folding state, the seat lower pipe and the seat upper pipe are mutually abutted together, and the seat frame pipe is abutted to the bottom surface of the seat lower pipe;
the upper joints and the lower joints on two sides are respectively and coaxially connected to a socket joint, and the whole seat frame part is fixed on the frame part through the two socket joints in an inserting way; a tooth groove structure is also arranged in the socket joint, an adjusting spring and an adjusting gear are arranged between the upper joint and the socket joint, and the adjusting spring compresses the adjusting gear to enable the adjusting gear, the upper joint and the tooth groove structure of the socket joint to be mutually clamped to form a fixed structure; the adjusting gear is connected with an adjusting steel rope, the adjusting steel rope is connected with an adjusting button, the adjusting steel rope is tensioned through the adjusting button to enable the adjusting gear to be separated from the socket joint, and an angle adjusting structure with the integral rotation of the seat frame part is formed.
Further, the two upper ends of the seat frame supporting tube are respectively provided with an inner joint, the lower ends of the socket joints are inserted into a supporting joint, a vehicle collecting spring and a vehicle collecting gear are arranged between the inner joint and the supporting joint, tooth groove structures matched with the vehicle collecting gear are respectively arranged in the inner joint and the supporting joint, and the vehicle collecting spring compresses the vehicle collecting gear to enable the vehicle collecting gear to be mutually clamped with the tooth groove structures of the inner joint and the supporting joint to form a fixed structure; the vehicle collecting gear is connected with an upper vehicle collecting steel rope, the upper vehicle collecting steel rope is connected with the vehicle collecting pull rod, and the vehicle collecting gear is separated from the supporting joint to form a rotatable structure by tightening the upper vehicle collecting steel rope through the vehicle collecting pull rod;
the lower end of the handle assembly is connected with an outer joint, a tooth groove structure is also arranged in the outer joint, a reversing spring and a reversing gear are arranged between the supporting joint and the outer joint, and the reversing spring compresses the reversing gear to enable the reversing gear, the supporting joint and the tooth groove structure of the outer joint to be mutually clamped to form a fixed structure; the reversing gear is connected with a reversing steel rope, the adjusting steel rope is connected with a reversing sliding sleeve, the reversing sliding sleeve is arranged on the handle assembly, the reversing steel rope is tensioned through the reversing sliding sleeve to enable the reversing gear to be separated from the supporting joint, and the handle assembly can rotate to form an angle adjusting structure capable of integrally rotating;
the inner joint is internally provided with a fixed shaft for installing a vehicle collecting gear, the vehicle collecting spring and the vehicle collecting gear are sleeved on the fixed shaft, and the vehicle collecting gear compresses the vehicle collecting spring in the inner joint; under the extrusion of the vehicle-collecting spring, the vehicle-collecting gear is simultaneously pressed in the inner joint, and the teeth of the vehicle-collecting gear are simultaneously clamped with tooth groove structures in the inner joint and the supporting joint to form a fixed structure of the seat frame part and the seat frame supporting tube; the outer joint is also coaxially fixed on the fixed shaft, and the reversing gear and the reversing spring are sleeved on the fixed shaft between the outer joint and the supporting joint.
Further, the lower joint is coaxially connected with the folding gear, the upper joint, the adjusting gear and the socket joint through a fixed shaft, the folding spring and the folding gear are sleeved on the fixed shaft, and the folding spring is tightly pressed in the lower joint by the folding gear; under the extrusion of the folding spring, the folding gear is pressed in the upper joint at the same time, and the teeth of the folding gear are clamped with tooth groove structures in the upper joint and the lower joint at the same time to form a fixing structure of the seat upper pipe and the seat lower pipe; the adjusting spring and the adjusting gear are sleeved on the fixed shaft between the upper joint and the socket joint.
Further, a rope passing hole for passing through the folding steel rope is formed in the folding gear, and the folding steel rope passes through the folding gear from the rope passing hole and is wound on the folding gear; the front end of the folding steel rope is provided with a cylindrical rope fixing head, and the folding steel rope is clamped in the lower joint through the rope fixing head to form a fixed connection structure with the lower joint; the adjusting gear is internally provided with a crossing hole for the passing of an adjusting steel rope, and the adjusting steel rope passes through the adjusting gear from the crossing hole and is wound on the adjusting gear; the front end of the adjusting steel rope is provided with a cylindrical fixing head, and the adjusting steel rope is clamped in the upper joint through the fixing head to form a fixed connection structure with the upper joint.
Further, the vehicle collecting plate block is arranged on the seat lower pipe, and the collecting steel rope penetrates from the seat lower pipe to be connected with the vehicle collecting plate block; the adjusting button is arranged on the seat upper pipe, and the adjusting steel rope penetrates from the seat upper pipe to be connected with the adjusting button.
Further, a rope clamping part is arranged in the upper joint, the rope clamping part extends out towards one side of the lower joint, the rope clamping part ejects the folding steel rope towards the lower joint to a position flush with the tail end of the folding spring, the moment is increased, and the folding steel rope can pull the folding gear more conveniently.
Further, the novel hand rest further comprises a hand rest assembly, two ends of the hand rest assembly are respectively provided with a hand rest joint, and the hand rest assembly is connected with the inner side face of the lower joint through the hand rest joints to form a rotatable structure.
Further, the folding gear is provided with a shaft sleeve extending towards the direction of the socket joint, the end part of the shaft sleeve is provided with a folding gear buckle, and the shaft sleeve penetrates through the upper joint to enable the folding gear buckle to buckle the adjusting gear to form a linkage structure. When the folding gear is separated from the tooth groove of the upper joint under the action of the folding steel rope, the folding gear buckle can drive the adjusting gear to move together, so that the adjusting gear is separated from the tooth groove of the socket joint, the socket joint and the upper joint are in an unlocking state, and at the moment, the socket joint can freely rotate within a limited angle range, and the seat part can be folded in a reverse state. After the socket joint and the upper joint are unlocked, the upper and lower pipes of the folded seat are rotated together in the direction of the handle assembly, so that the upper and lower pipes of the seat and the handle assembly are folded in the same direction.
Further, a pull rod rotating shaft is fixed in the fixing seat, the vehicle collecting pull rod is arranged on the pull rod rotating shaft, a pull rod torsion spring is sleeved on the pull rod rotating shaft, one end of the pull rod torsion spring is connected with the vehicle collecting pull rod, and the other end of the pull rod torsion spring is connected with the fixing seat, so that an automatic return structure of the vehicle collecting pull rod is formed.
The seat frame part is folded: the folding gear is clamped into tooth grooves of the upper joint and the lower joint simultaneously under the action of the folding spring, so that the upper joint and the lower joint are in a clamping state. When the vehicle is to be retracted, the vehicle retracting pulling block is pulled upwards to drive the retracting steel rope to move. The rope fixing head of the folding steel rope is fixed in the tooth groove of the lower joint, when the folding steel rope is straightened, the folding gear is pressed into the gear groove of the lower joint, the folding gear is separated from the tooth groove of the upper joint, and the clamping state of the upper joint and the lower joint disappears. The seat lower tube is pushed upwards while the seat skeleton drives the seat frame connecting sheet and the seat frame tube to fold via the four-bar linkage until the seat lower tube and the seat upper tube are completely abutted. When the seat is to be unfolded, the vehicle retracting block is put down according to the reverse operation of the vehicle retracting process, and the retracting gear is pressed back to be simultaneously clamped with the tooth groove of the upper joint and the tooth groove of the lower joint under the action of the retracting spring, so that a fixed structure is formed.
And (3) folding the frame part: A. the pulling car collecting pull rod drives the car collecting gear to be separated from the tooth groove of the supporting joint, at the moment, the supporting joint is clamped with the outer joint to form a whole under the action of the reversing gear, the handle assembly downwards rotates around the inner joint under the action of gravity, and the supporting joint and the seat frame part on the supporting joint are driven to rotate together, so that folding is realized.
B. When the vehicle-collecting pull rod is lifted upwards, the lower steel rope of the vehicle-collecting pull rod can be pulled to drive the clamping hook to be separated from the clamping state of the clamping shaft of the sliding seat, the front foot group rotates towards the rear foot pipe under the action of gravity to be close, and the sliding seat slides on the sliding groove of the rear foot pipe, so that the vehicle-collecting of the vehicle frame is realized.
The seat lower tube can be rotated and folded, and other parts can be folded or unfolded through linkage movement; the frame part of the vehicle collecting structure is formed by the seat frame supporting tube, the inner joint, the supporting joint, the vehicle collecting gear, the vehicle collecting spring, the vehicle collecting pull rod, the upper and lower vehicle collecting steel ropes and other parts, and the vehicle collecting steel ropes are pulled to tighten the upper and lower vehicle collecting steel ropes, so that the gears in the joints are released from clamping, and the joints can rotate in the forward direction or in the reverse direction, thereby realizing the effects of vehicle collecting in the forward direction or in the reverse direction. The whole vehicle collecting process can be independently operated by manual operation, the operation is convenient, time and labor are saved, the operation can be completed by one hand, the vehicle is very beneficial to the use of the old and women, the volume is reduced in the folded state, and the vehicle is convenient to carry.
Drawings
FIG. 1 is a schematic view of the structure of the invention in its unfolded state;
FIG. 2 is an exploded view of a frame portion of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
FIG. 4 is a schematic side view of a frame portion of the present invention;
FIG. 5 is a schematic illustration of the assembly of the front and rear wheel assemblies;
FIG. 6 is a schematic cross-sectional view of a frame portion joint assembled;
FIG. 7 is an exploded view of a seat frame portion of the present invention;
FIG. 8 is an enlarged view of a portion of FIG. 7;
FIG. 9 is a schematic cross-sectional view of a mounting portion after articulation;
FIG. 10 is a schematic view of the folding process of the present invention;
fig. 11 is a schematic view of the fully folded state of the present invention.
In the figure, 1 is a handle assembly, 2 is an inner joint, 3 is a vehicle collecting spring, 4 is a vehicle collecting gear, 5 is a supporting joint, 6 is a reversing sliding sleeve, 7 is a reversing steel rope, 8 is an outer joint, 9 is a reversing spring, 10 is a reversing gear, 11 is an upper vehicle collecting steel rope, 12 is a vehicle collecting pull rod, 13 is a pull rod torsion spring, 14 is a pull rod rotating shaft, 15 is a fixed seat, 16 is a rear foot pipe, 17 is a sliding seat clamping shaft, 18 is a sliding seat, 19 is a rear wheel assembly, 20 is a front wheel assembly, 21 is a connecting pipe, 22 is a clamping hook, 23 is a lower vehicle collecting steel rope, 24 is a seat frame supporting pipe, A1 is a lower joint, A2 is a collecting spring, A3 is a collecting gear, A4 is an upper joint, A5 is an adjusting steel rope, A6 is an adjusting gear, A7 is a socket joint, A8 is an adjusting spring, A9 is a seat frame pipe, A11 is a seat collecting steel rope, A12 is a seat lower pipe, A13 is a vehicle collecting plate block, A14 is an upper seat pipe, A15 is a seat buckle, A16 is a seat buckle.
Detailed Description
In this embodiment, referring to fig. 1-11, the stroller capable of being folded and folded conveniently comprises a frame part and a seat frame part, wherein the frame part comprises a handle assembly 1, a front wheel assembly 20, a rear wheel assembly 19 and a seat frame supporting tube 24, and the handle assembly 1 and the seat frame supporting tube 24 are connected into a rotatable folding structure; the seat frame part comprises a seat frame pipe A10, an upper seat pipe A15 and a lower seat pipe A12; the seat support tube 24 is provided with a fixed seat 15, the rear part of the fixed seat 15 is connected with a rear foot tube 16, and the rear wheel assembly 19 is connected with the bottom end of the rear foot tube 16; the upper end of the front wheel assembly 20 is connected with the front end of the fixed seat 15 through a rotating shaft to form a rotatable structure, a rotatable connecting pipe 21 is connected to the upper part of the front wheel assembly 20, and the other end of the connecting pipe 21 is connected with a sliding seat 18 to form a rotatable structure; the sliding seat 18 is arranged in a sliding groove of the rear foot tube 16 to form a vertical sliding structure, a sliding seat clamping shaft 17 is arranged in the sliding seat 18, a rotatable clamping hook 22 which is matched with the sliding seat clamping shaft 17 and provided with a hook-shaped part is arranged at the bottom of the fixed seat 15, and the sliding seat clamping shaft 17 is hooked by the hook-shaped part of the clamping hook 22 to form a locking and fixing structure for the front wheel assembly 20; the clamping hook 22 is connected with a lower car-collecting steel rope 23 to form a rotary driving structure for the clamping hook 22, the upper end of the lower car-collecting steel rope 23 is connected with a car-collecting pull rod 12, the car-collecting pull rod 12 is arranged on the fixed seat 15, and the clamping hook 22 is arranged at the bottom of the fixed seat 15 in a matched manner through a shaft pin and a torsion spring;
the lower end of the seat upper pipe A15 is connected with an upper joint A4, the upper end of the seat lower pipe A12 is connected with a lower joint A1, and the seat upper pipe A15 and the seat lower pipe A12 are connected with each other through the upper joint A4 and the lower joint A1 to form a rotatable folding structure; the front end of the seat frame pipe A10 is connected with the seat lower pipe A12 through a rotating shaft to form a rotatable structure, the middle position of the seat frame pipe A10 is connected with the lower end of the seat frame connecting piece A9 through a shaft pin, and the upper end of the seat frame connecting piece A9 is connected with the lower part of the upper joint A4 to form a rotatable structure; a folding spring A2 and a folding gear A3 are arranged between the upper joint A4 and the lower joint A1, tooth groove structures matched with the folding gear A3 are arranged in the upper joint A4 and the lower joint A1, and the folding spring A2 tightly presses the folding gear A3 to enable the folding gear A3 to be mutually clamped with the tooth groove structures of the upper joint A4 and the lower joint A1 to form a fixed structure; the folding gear A3 is connected with a folding steel rope A11, the folding steel rope A11 is connected with a folding spanner block A13, and the folding steel rope A11 is tensioned through the folding spanner block A13 so that the folding gear A3 is separated from the upper joint A4 to form a rotatable folding structure; in the seat folded state, the lower seat tube A12 and the upper seat tube A15 are abutted against each other, and the seat frame tube A10 is abutted against the bottom surface of the lower seat tube A12;
the upper joint A4 and the lower joint A1 on two sides are respectively and coaxially connected to a socket joint A7, and the whole seat frame part is fixedly inserted on the frame part through the two socket joints A7; a tooth groove structure is also arranged in the socket joint A7, an adjusting spring A8 and an adjusting gear A6 are arranged between the upper joint A4 and the socket joint A7, and the adjusting spring A8 compresses the adjusting gear A6 to enable the adjusting gear A6 to be mutually clamped with the tooth groove structures of the upper joint A4 and the socket joint A7 to form a fixed structure; the adjusting gear A6 is connected with an adjusting steel rope A5, the adjusting steel rope A5 is connected with an adjusting button (not labeled), the adjusting steel rope A5 is tensioned through the adjusting button to enable the adjusting gear A6 to be separated from the socket joint A7, and an angle adjusting structure with a seat frame part capable of integrally rotating is formed.
The two upper ends of the seat frame supporting tube 24 are respectively provided with an inner joint 2, the lower end of the socket joint A7 is inserted into a supporting joint 5, a vehicle collecting spring 3 and a vehicle collecting gear 4 are arranged between the inner joint 2 and the supporting joint 5, tooth slot structures matched with the vehicle collecting gear 4 are respectively arranged inside the inner joint 2 and the supporting joint 5, and the vehicle collecting spring 3 tightly presses the vehicle collecting gear 4 to enable the vehicle collecting gear 4 and the tooth slot structures of the inner joint 2 and the supporting joint 5 to be mutually clamped to form a fixed structure; the car-taking-up gear 4 is connected with an upper car-taking-up steel rope 11, the upper car-taking-up steel rope 11 is connected with a car-taking-up pull rod 12, and the car-taking-up gear 4 and the supporting joint 5 are separated to form a rotatable structure by tightening the upper car-taking-up steel rope 11 through the car-taking-up pull rod 12;
the lower end of the handle assembly 1 is connected with an outer joint 8, a tooth groove structure is also arranged in the outer joint 8, a reversing spring 9 and a reversing gear 10 are arranged between the supporting joint 5 and the outer joint 8, and the reversing spring 9 compresses the reversing gear 10 to enable the reversing gear 10 and the tooth groove structures of the supporting joint 5 and the outer joint 8 to be mutually clamped to form a fixed structure; the reversing gear 10 is connected with a reversing steel rope 7, the adjusting steel rope 7 is connected with a reversing sliding sleeve 6, the reversing sliding sleeve 6 is arranged on the handle assembly 1, the reversing steel rope 7 is tensioned through the reversing sliding sleeve 6 to separate the reversing gear 10 from the supporting joint 5, the handle assembly 1 can rotate, and an angle adjusting structure capable of integrally rotating the handle assembly 1 is formed;
the inner joint 2 is provided with a fixed shaft (not labeled) for installing a vehicle collecting gear 4, the vehicle collecting spring 3 and the vehicle collecting gear 4 are sleeved on the fixed shaft, and the vehicle collecting gear 4 compresses the vehicle collecting spring 3 in the inner joint 2; under the extrusion of the vehicle-collecting spring 3, the vehicle-collecting gear 4 is pressed in the inner joint 2 at the same time, and the teeth of the vehicle-collecting gear 4 are simultaneously clamped with tooth groove structures in the inner joint 2 and the supporting joint 5 to form a fixed structure of a seat frame part and a seat frame supporting tube 24; the outer joint 8 is also coaxially fixed on the fixed shaft, and the reversing gear 10 and the reversing spring 9 are sleeved on the fixed shaft between the outer joint 8 and the supporting joint 5.
The lower joint A1 is coaxially connected with the folding gear A3, the upper joint A4, the adjusting gear A6 and the socket joint A7 through a fixed shaft (not labeled), the folding spring A2 and the folding gear A3 are sleeved on the fixed shaft, and the folding gear A3 compresses the folding spring A2 in the lower joint A1; under the extrusion of the folding spring A2, the folding gear A3 is pressed in the upper joint A4 at the same time, and the teeth of the folding gear A3 are clamped with the tooth groove structures in the upper joint A4 and the lower joint A1 at the same time to form a fixed structure of the seat upper pipe A15 and the seat lower pipe A12; the adjusting spring A8 and the adjusting gear A6 are sleeved on the fixed shaft between the upper joint A4 and the socket joint A7.
A rope passing hole for passing through the folding steel rope A11 is formed in the folding gear A3, and the folding steel rope A11 passes through the folding gear A3 from the rope passing hole and is wound on the folding gear A3; the front end of the folding steel rope A11 is provided with a cylindrical rope fixing head, and the folding steel rope A11 is clamped in the lower joint A1 through the rope fixing head to form a fixed connection structure with the lower joint A1; the adjusting gear A6 is provided with a through hole for the adjusting steel rope A5 to pass through, and the adjusting steel rope A5 passes through the adjusting gear A6 from the through hole and is wound on the adjusting gear A6; the front end of the adjusting steel rope A5 is provided with a cylindrical fixing head, and the adjusting steel rope A5 is clamped in the upper joint A4 through the fixing head to form a fixed connection structure with the upper joint A4.
The vehicle collecting plate block A13 is arranged on the seat lower pipe A12, and a collecting steel rope A11 penetrates from the seat lower pipe A12 to be connected with the vehicle collecting plate block A13; the adjusting button is arranged on the seat upper pipe A15, and the adjusting steel rope A5 penetrates from the seat upper pipe A15 to be connected with the adjusting button.
The rope clamping part is arranged in the upper joint A4, and extends out towards one side of the lower joint A4, so that the folding steel rope A11 is ejected out towards the lower joint direction to a position flush with the tail end of the folding spring A2, the moment is increased, and the folding steel rope A11 can pull the folding gear A3 more conveniently.
The novel handrail comprises a handrail component A14, wherein handrail joints A16 are respectively arranged at two ends of the handrail component A14, and the handrail component A14 is connected with the inner side surface of a lower joint A1 through the handrail joints A16 to form a rotatable structure.
The folding gear A3 is provided with a shaft sleeve extending towards the direction of the socket joint A7, the end part of the shaft sleeve is provided with a folding gear buckle A301, and the shaft sleeve penetrates through the upper joint A4 to enable the folding gear buckle A301 to buckle the adjusting gear A6 to form a linkage structure. When the folding gear A3 is separated from the tooth groove of the upper joint A4 under the action of the folding steel rope A11, the folding gear buckle A301 drives the adjusting gear A6 to move together, so that the adjusting gear A6 is separated from the tooth groove of the socket joint A7, the socket joint A7 and the upper joint A4 are in an unlocking state, and at the moment, the socket joint A7 can freely rotate within a limited angle range, and the seat part can be folded in a reverse state. After the socket joint A7 and the upper joint A4 are unlocked, the upper and lower seat pipes which are folded are rotated together in the direction of the handle assembly 1, so that the upper and lower seat pipes and the handle assembly 1 are folded in the same direction.
A pull rod rotating shaft 14 is fixed in the fixing seat 15, the vehicle collecting pull rod 12 is arranged on the pull rod rotating shaft 14, a pull rod torsion spring 13 is sleeved on the pull rod rotating shaft 14, one end of the pull rod torsion spring 13 is connected with the vehicle collecting pull rod 12, and the other end of the pull rod torsion spring 13 is connected with the fixing seat 15, so that an automatic return structure of the vehicle collecting pull rod 12 is formed.
The seat frame part is folded: the folding gear A3 is simultaneously clamped into tooth grooves of the upper joint A4 and the lower joint A1 under the action of the folding spring A2, so that the upper joint and the lower joint are in a clamping state. When the vehicle is to be retracted, the vehicle retracting plate block A13 is pulled upwards to drive the retracting steel rope A11 to move. The rope fixing head of the folding steel rope A11 is fixed in the tooth groove of the lower joint A1, when the folding steel rope A11 is straightened, the folding gear A3 is pressed into the gear groove of the lower joint A1, the folding gear A3 is separated from the tooth groove of the upper joint A4, and the clamping state of the upper joint and the lower joint disappears. The seat lower tube A12 is pushed upwards while the upper pulling and retracting vehicle pulling block A13 is kept, and the seat framework drives the seat frame connecting sheet A9 and the seat frame tube A10 to retract through the four-bar structure until the seat lower tube A12 and the seat upper tube A15 are completely abutted. When the seat is to be unfolded, the vehicle retracting block A13 is put down according to the reverse operation of the vehicle retracting process, and the retracting gear A3 is pressed back to be simultaneously clamped with the tooth groove of the upper joint A4 and the tooth groove of the lower joint A1 under the action of the retracting spring A2, so that a fixed structure is formed.
And (3) folding the frame part: A. the pulling of the vehicle collecting pull rod 12 drives the vehicle collecting gear 4 to be separated from the tooth groove of the supporting joint 5, at the moment, the supporting joint 5 is clamped with the outer joint 8 to form a whole under the action of the reversing gear 10, the handle assembly 1 rotates downwards around the inner joint 2 under the action of gravity, and the supporting joint 5 and a seat frame part on the supporting joint are driven to rotate together, so that folding is realized.
B. When the vehicle-collecting pull rod 12 is lifted upwards, the vehicle-collecting lower steel rope 23 is pulled to drive the clamping hook 22 to be separated from the clamping state of the clamping shaft of the sliding seat, the front foot group 20 rotates towards the rear foot pipe 16 under the action of gravity to approach, and the sliding seat 18 slides on the sliding groove of the rear foot pipe 16, so that the vehicle-collecting of the vehicle frame is realized.
The foregoing detailed description of the invention has been presented for purposes of illustration and description, but is not intended to limit the scope of the invention, i.e., the invention is not limited to the details shown and described.
Claims (8)
1. A children cart capable of being folded and folded conveniently comprises a frame part and a seat frame part, wherein the frame part comprises a handle assembly, a front wheel assembly, a rear wheel assembly and a seat frame supporting tube, and the handle assembly and the seat frame supporting tube are connected into a rotatable folding structure; the seat frame part comprises a seat frame pipe, a seat upper pipe and a seat lower pipe for installing the soft seat part, and is characterized in that: the seat support tube is internally provided with a fixed seat, the rear part of the fixed seat is connected with a rear foot tube, and the rear wheel assembly is connected with the bottom end of the rear foot tube; the upper end of the front wheel assembly is connected with the front end of the fixed seat through a rotating shaft to form a rotatable structure, a rotatable connecting pipe is connected to the upper part of the front wheel assembly, and the other end of the connecting pipe is connected with a sliding seat to form a rotatable structure; the sliding seat is arranged in a sliding groove of the rear foot pipe to form a vertical sliding structure, a sliding seat clamping shaft is arranged in the sliding seat, a rotatable clamping hook which is matched with the sliding seat clamping shaft and provided with a hook-shaped part is arranged at the bottom of the fixed seat, and the sliding seat clamping shaft is hooked by the hook-shaped part of the clamping hook to form a locking and fixing structure for the front wheel assembly; the clamping hook is connected with a lower car-collecting steel rope to form a rotary driving structure for the clamping hook, the upper end of the lower car-collecting steel rope is connected with a car-collecting pull rod, the car-collecting pull rod is arranged on the fixing seat, and the clamping hook is arranged at the bottom of the fixing seat in a matched manner through a shaft pin and a torsion spring;
the lower end of the seat upper pipe is connected with an upper joint, the upper end of the seat lower pipe is connected with a lower joint, and the seat upper pipe and the seat lower pipe are connected with each other through the upper joint and the lower joint to form a rotatable folding structure; the front end of the seat frame pipe is connected with the seat lower pipe through a rotating shaft to form a rotatable structure, the middle position of the seat frame pipe is connected with the lower end of the seat frame connecting piece through a shaft pin, and the upper end of the seat frame connecting piece is connected with the lower part of the upper joint to form a rotatable structure; a folding spring and a folding gear are arranged between the upper joint and the lower joint, tooth groove structures matched with the folding gear are arranged in the upper joint and the lower joint, and the folding spring tightly presses the folding gear to enable the folding gear to be mutually clamped with the tooth groove structures of the upper joint and the lower joint to form a fixed structure; the folding gear is connected with a folding steel rope, the folding steel rope is connected with a folding spanner block, and the folding steel rope is tensioned through the folding spanner block so that the folding gear is separated from the upper joint or the lower joint to form a rotatable folding structure; in the seat folding state, the seat lower pipe and the seat upper pipe are mutually abutted together, and the seat frame pipe is abutted to the bottom surface of the seat lower pipe;
the upper joints and the lower joints on two sides are respectively and coaxially connected to a socket joint, and the whole seat frame part is fixed on the frame part through the two socket joints in an inserting way; a tooth groove structure is also arranged in the socket joint, an adjusting spring and an adjusting gear are arranged between the upper joint and the socket joint, and the adjusting spring compresses the adjusting gear to enable the adjusting gear, the upper joint and the tooth groove structure of the socket joint to be mutually clamped to form a fixed structure; the adjusting gear is connected with an adjusting steel rope, the adjusting steel rope is connected with an adjusting button, the adjusting steel rope is tensioned through the adjusting button to enable the adjusting gear to be separated from the socket joint, and an angle adjusting structure with the integral rotation of the seat frame part is formed;
the two upper ends of the seat frame supporting tube are respectively provided with an inner joint, the lower ends of the socket joints are inserted into a supporting joint, a vehicle collecting spring and a vehicle collecting gear are arranged between the inner joint and the supporting joint, tooth groove structures matched with the vehicle collecting gear are respectively arranged inside the inner joint and the supporting joint, and the vehicle collecting spring compresses the vehicle collecting gear to enable the vehicle collecting gear, the inner joint and the tooth groove structures of the supporting joint to be mutually clamped to form a fixed structure; the vehicle collecting gear is connected with an upper vehicle collecting steel rope, the upper vehicle collecting steel rope is connected with the vehicle collecting pull rod, and the vehicle collecting gear is separated from the supporting joint to form a rotatable structure by tightening the upper vehicle collecting steel rope through the vehicle collecting pull rod;
the vehicle collecting spanner block is arranged on the seat lower pipe, and a collecting steel rope penetrates through the seat lower pipe and is connected with the vehicle collecting spanner block; the adjusting button is arranged on the seat upper pipe, and the adjusting steel rope penetrates from the seat upper pipe to be connected with the adjusting button.
2. The conveniently collapsible stroller of claim 1, wherein: the lower end of the handle assembly is connected with an outer joint, a tooth groove structure is also arranged in the outer joint, a reversing spring and a reversing gear are arranged between the supporting joint and the outer joint, and the reversing spring compresses the reversing gear to enable the reversing gear, the supporting joint and the tooth groove structure of the outer joint to be mutually clamped to form a fixed structure; the reversing gear is connected with a reversing steel rope, the adjusting steel rope is connected with a reversing sliding sleeve, the reversing sliding sleeve is arranged on the handle assembly, and the reversing steel rope is tensioned through the reversing sliding sleeve to separate the reversing gear from the supporting joint, so that an angle adjusting structure capable of integrally rotating the handle assembly is formed;
the inner joint is internally provided with a fixed shaft for installing a vehicle collecting gear, the vehicle collecting spring and the vehicle collecting gear are sleeved on the fixed shaft, and the vehicle collecting gear compresses the vehicle collecting spring in the inner joint; under the extrusion of the vehicle-collecting spring, the vehicle-collecting gear is simultaneously pressed in the inner joint, and the teeth of the vehicle-collecting gear are simultaneously clamped with tooth groove structures in the inner joint and the supporting joint to form a fixed structure of the seat frame part and the seat frame supporting tube; the outer joint is also coaxially fixed on the fixed shaft, and the reversing gear and the reversing spring are sleeved on the fixed shaft between the outer joint and the supporting joint.
3. The conveniently collapsible stroller of claim 1, wherein: the lower joint is coaxially connected with the folding gear, the upper joint, the adjusting gear and the socket joint through a fixed shaft, the folding spring and the folding gear are sleeved on the fixed shaft, and the folding spring is tightly pressed in the lower joint by the folding gear; under the extrusion of the folding spring, the folding gear is pressed in the upper joint at the same time, and the teeth of the folding gear are clamped with tooth groove structures in the upper joint and the lower joint at the same time to form a fixing structure of the seat upper pipe and the seat lower pipe; the adjusting spring and the adjusting gear are sleeved on the fixed shaft between the upper joint and the socket joint.
4. A stroller in accordance with claim 3, wherein the stroller is foldable and collapsible: a rope penetrating hole for the penetrating of the folding steel rope is formed in the folding gear, and the folding steel rope penetrates through the folding gear from the rope penetrating hole and is wound on the folding gear; the front end of the folding steel rope is provided with a cylindrical rope fixing head, and the folding steel rope is clamped in the lower joint through the rope fixing head to form a fixed connection structure with the lower joint; the adjusting gear is internally provided with a crossing hole for the passing of an adjusting steel rope, and the adjusting steel rope passes through the adjusting gear from the crossing hole and is wound on the adjusting gear; the front end of the adjusting steel rope is provided with a cylindrical fixing head, and the adjusting steel rope is clamped in the upper joint through the fixing head to form a fixed connection structure with the upper joint.
5. The collapsible stroller of claim 4, wherein: the upper joint is provided with a rope clamping part which extends out from one side of the lower joint and ejects the folding steel rope to a position flush with the tail end of the folding spring towards the lower joint.
6. The conveniently collapsible stroller of claim 1, wherein: the novel hand rest is characterized by further comprising a hand rest assembly, wherein the two ends of the hand rest assembly are respectively provided with a hand rest joint, and the hand rest assembly is connected with the inner side surface of the lower joint through the hand rest joints to form a rotatable structure.
7. A stroller in accordance with claim 3, wherein the stroller is foldable and collapsible: the folding gear is provided with a shaft sleeve extending towards the direction of the socket joint, the end part of the shaft sleeve is provided with a folding gear buckle, and the shaft sleeve penetrates through the upper joint to enable the folding gear buckle to buckle the adjusting gear to form a linkage structure.
8. The conveniently collapsible stroller of claim 1, wherein: a pull rod rotating shaft is fixed in the fixing seat, the vehicle collecting pull rod is arranged on the pull rod rotating shaft, a pull rod torsion spring is sleeved on the pull rod rotating shaft, one end of the pull rod torsion spring is connected with the vehicle collecting pull rod, and the other end of the pull rod torsion spring is connected with the fixing seat, so that an automatic return structure of the vehicle collecting pull rod is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810186714.4A CN108297926B (en) | 2018-03-07 | 2018-03-07 | Can conveniently fold children's shallow of receipts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810186714.4A CN108297926B (en) | 2018-03-07 | 2018-03-07 | Can conveniently fold children's shallow of receipts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108297926A CN108297926A (en) | 2018-07-20 |
| CN108297926B true CN108297926B (en) | 2024-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810186714.4A Active CN108297926B (en) | 2018-03-07 | 2018-03-07 | Can conveniently fold children's shallow of receipts |
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| CN (1) | CN108297926B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108688709A (en) * | 2018-07-24 | 2018-10-23 | 佛山诺贝依科技有限责任公司 | A kind of electronic baby's folded bicycle |
| CN109204424B (en) * | 2018-10-15 | 2023-12-15 | 东莞硕仕儿童用品有限公司 | Double seat baby carrier capable of being folded by single hand |
| CN110329334A (en) * | 2019-06-12 | 2019-10-15 | 徐江林 | A kind of folding baby carrier |
| CN112829818A (en) * | 2021-02-05 | 2021-05-25 | 广东乐美达集团有限公司 | Single-hand fast handle folding portable cart |
| CN113511249B (en) * | 2021-07-07 | 2022-11-25 | 好孩子儿童用品有限公司 | Children's barrow |
| CN113712746B (en) * | 2021-10-12 | 2023-08-29 | 安徽金百合医疗器械有限公司 | Rotating shaft device for folding equipment and folding equipment |
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| CN108297926A (en) | 2018-07-20 |
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