CN216140038U

CN216140038U - Foldable child carriage frame and child cart

Info

Publication number: CN216140038U
Application number: CN202122016924.9U
Authority: CN
Inventors: 黄力凡
Original assignee: Momagou Technology Huizhou Co ltd
Current assignee: Momagou Technology Huizhou Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-03-29
Anticipated expiration: 2031-08-25

Abstract

The utility model discloses a foldable baby carriage frame, which comprises a front foot rod, a rear foot rod, an upper push rod and a lower push rod, wherein a front foot rod connecting seat is arranged at the upper end of the front foot rod, a rear foot rod rotating part is arranged at the upper end of the rear foot rod, the rear foot rod rotating part is hinged with the front foot rod connecting seat, a combined joint is arranged on the lower push rod, the combined joint is hinged with the front foot rod connecting seat, a locking device is arranged at one end, close to the front foot rod, of the combined joint, the upper push rod can slidably extend into the lower push rod, the locking device is unlocked when the upper push rod slides into the lower push rod, a first support sheet is arranged above the front foot rod, one end of the first support sheet is hinged with the combined joint, the middle part of the first support sheet is connected with the front foot rod through a second support sheet, a support rod is arranged between the combined joint and the rear foot rod, one end of the support rod is hinged with the combined joint, and the other end of the support sheet is hinged with the rear foot rod. The utility model provides a foldable baby carriage frame which is convenient for a user to fold by single-hand operation. The utility model also provides the baby stroller.

Description

Foldable child carriage frame and child cart

Technical Field

The utility model relates to the technical field of baby strollers, in particular to a foldable baby stroller frame and a baby stroller.

Background

The stroller has been widely used because it brings great convenience to people in the care of children. For example, when a user needs to put the stroller into a car, the stroller can be folded together and then unfolded when the user needs to use the stroller after reaching a predetermined playing place.

And current children's shallow beta structure needs both hands to carry out the rotation, upset, folding of each part when the operation, however when using children's shallow usually, the user need hold the baby or drag children on one hand, and another hand goes to folding perambulator, and current beta structure is comparatively complicated, and the user of being inconvenient for folds.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a foldable baby carriage frame which is convenient for a user to fold by single-hand operation and is simpler and more convenient to use.

The utility model discloses a foldable child carriage frame and a child stroller, which adopt the technical scheme that:

a foldable baby carriage frame comprises a front foot rod, a rear foot rod, an upper push rod and a lower push rod, wherein a front foot rod connecting seat is arranged at the upper end of the front foot rod, a rear foot rod rotating piece is arranged at the upper end of the rear foot rod, the rear foot rod rotating piece is hinged with the front foot rod connecting seat to form a first hinge point, a combined joint is arranged on the lower push rod and is hinged with the front foot rod connecting seat to form a second hinge point, a locking device is arranged at one end, close to the front foot rod, of the combined joint and used for fixing the front foot rod connecting seat and the combined joint, the upper push rod can slidably extend into the lower push rod, the locking device is unlocked when the upper push rod slides into the lower push rod, a first supporting piece is arranged above the front foot rod, one end of the first supporting piece is hinged with the combined joint to form a third hinge point, and the middle part of the first supporting piece is connected with the front foot rod through a second supporting piece, one end of the second supporting sheet is hinged to the first supporting sheet to form a fourth hinge point, the other end of the second supporting sheet is hinged to the first hinge point, a supporting rod is arranged between the combined joint and the rear foot rod, one end of the supporting rod is hinged to the combined joint to form a fifth hinge point, and the other end of the supporting rod is hinged to the rear foot rod to form a sixth hinge point.

As a preferred scheme, the locking device includes hook lock and first spring, hook lock middle part and combination joint are articulated to form seventh pin joint, hook lock one end is equipped with the pothook, just the hook lock is equipped with the one end of pothook and extends out the combination joint, be equipped with the kelly on the front foot pole connecting seat, the pothook is used for hooking the kelly, the hook lock other end passes through first spring coupling with the combination joint diapire, the inside one end that the upper push rod is located the lower push rod is equipped with the collision chock plug, the collision chock plug is used for striking hook lock and makes first spring compression.

As a preferable scheme, one end of the upper push rod, which is close to the lower push rod, is provided with a clamping device, the clamping device comprises a bayonet lock, a second spring, a traction rope, a car-folding key and a third spring, the bayonet lock is arranged in the upper push rod through the second spring, a first clamping groove is arranged on one side of the upper push rod, a second clamping groove is arranged on the lower push rod, one end of the clamping pin extends out of the first clamping groove through a second spring, and extends into the second clamping groove, the vehicle folding key is arranged at the upper end of the upper push rod, the vehicle folding key is hinged with the upper push rod, an upper push rod extends out of one end of the vehicle folding key, the third spring is arranged between the vehicle folding key and the surface of the upper push rod, the third spring is used for providing outward rotating force for the vehicle folding key, the traction rope is arranged in the upper push rod, one end of the traction rope is fixedly connected with the bayonet, and the other end of the traction rope is fixedly connected with the vehicle folding key.

Preferably, the child lock is arranged above the upper push rod, one end of the child lock is inserted into the upper push rod, and the folding key is pushed downwards by one end of the child lock.

Preferably, a handle is arranged above the first supporting sheet, and the handle is arranged towards the side far away from the front foot rod.

As preferred scheme, the back foot pole is fixed and is equipped with rotatory fixing base, bracing piece one end is articulated with rotatory fixing base.

The utility model provides a child stroller, includes collapsible seat, seat fixed disk and foretell collapsible child's frame, the seat fixed disk sets up on collapsible child's frame, seat fixed disk top is located to collapsible seat, collapsible seat can be dismantled with the seat fixed disk and be connected.

As the preferred scheme, collapsible seat includes the bedplate and rotates the backplate of being connected with the bedplate, the backplate is kept away from bedplate one side and is equipped with clamping device, clamping device sets up in bedplate and backplate rotation junction, clamping device is used for restricting the rotation between bedplate and the backplate.

According to the preferable scheme, a butt joint disc is arranged below the foldable seat, a fixing column is arranged in the middle of the butt joint disc, a groove is formed in the middle of the seat fixing disc, the fixing column is correspondingly arranged in the groove, a clamping block is arranged on the inner wall of the groove and is connected with the inside of the seat fixing disc through a fourth spring, and the clamping block is used for limiting the foldable seat.

According to the preferable scheme, the positioning block is arranged on the surface of the seat fixing disc, the fifth spring is arranged below the positioning block, the handle is arranged on one side of the positioning block and drives the positioning block to slide up and down along the inside of the seat fixing disc, the two positioning grooves are formed in one side, close to the seat fixing disc, of the butt joint disc, the positioning grooves are matched with the positioning block, and the two positioning grooves are oppositely formed in the two sides of the fixing column.

The utility model discloses a foldable baby carriage frame, which has the beneficial effects that: only need promote in the push-up rod down push rod towards the push-down rod, make the push-up rod accomodate the inside unblock locking device of push-down rod, thereby make the push-down rod rotate towards back foot rest one side around the second pin joint, and drive the bracing piece both ends and rotate around fifth crosspoint and sixth pin joint respectively, make back foot rest, bracing piece and push-down rod folding contact, the push-down rod is in the pivoted while, the combination joint drives first support piece and rotates towards back foot rest one side around the third hinge joint around the third pin joint, preceding foot rest rotates towards back foot rest one side around first pin joint under the effect of second support piece simultaneously, make preceding foot rest and back foot rest folding contact, first support piece and preceding foot rest folding contact, realize that whole frame carries out the folding purpose. Through the structure, when the frame is folded, people need to push the upper push rod into the lower push rod, the fixed relation between the front foot rod connecting seat and the combined joint is relieved by the locking device, the integral structure of the frame can be rotated and folded, a user can conveniently operate the frame with one hand, and the folding bicycle is simpler and more convenient to use.

Drawings

Fig. 1 is a schematic view of a foldable child's carriage according to the present invention.

Figure 2 is a partial cross-sectional view of a foldable child's frame of the present invention.

FIG. 3 is a cross-sectional view of the push rod of a foldable child's frame of the present invention.

FIG. 4 is a schematic view of the folding process of a foldable stroller frame according to the present invention

Fig. 5 is a schematic structural view of a foldable stroller according to the present invention.

Fig. 6 is a schematic view of a foldable stroller according to the present invention in a folded configuration.

Fig. 7 is a cross-sectional view of a seat pan and a seat attachment pan of a foldable stroller in accordance with the present invention.

Fig. 8 is a schematic view of a seat mounting plate of a foldable stroller according to the present invention.

Detailed Description

The utility model will be further elucidated and described with reference to the embodiments and drawings of the specification:

referring to fig. 1 and 2, a foldable stroller frame 10 includes a front leg 11, a rear leg 12, an upper push rod 13 and a lower push rod 14. The upper end of the front leg rod 11 is provided with a front leg rod connecting seat 111, the upper end of the rear leg rod 12 is provided with a rear leg rod rotating piece 121, and the rear leg rod rotating piece 121 is hinged with the front leg rod connecting seat 111 to form a first hinge point a.

The lower push rod 14 is provided with a combined joint 141, the combined joint 141 is hinged with the front foot rod connecting seat 111 to form a second hinge point b, a locking device 15 is arranged at one end, close to the front foot rod 11, of the combined joint 141, the locking device 15 is used for fixing the front foot rod connecting seat 111 and the combined joint 141, the upper push rod 13 can slidably extend into the lower push rod 14, and the locking device 15 is unlocked when the upper push rod 13 slides into the lower push rod 14.

A first supporting piece 112 is arranged above the front foot rod 11, one end of the first supporting piece 112 is hinged with the combined joint 141 to form a third hinge point c, the middle part of the first supporting piece 112 is connected with the front foot rod 11 through a second supporting piece 113, one end of the second supporting piece 113 is hinged with the first supporting piece 112 to form a fourth hinge point d, and the other end of the second supporting piece 113 is hinged with the first hinge point a.

A support rod 122 is arranged between the combined joint 141 and the rear foot rod 12, one end of the support rod 122 is hinged with the combined joint 141 to form a fifth hinge point e, and the other end of the support rod 122 is hinged with the rear foot rod 12 to form a sixth hinge point f.

Referring to fig. 4, the upper push rod 13 is only required to be pushed into the lower push rod 14, so that the upper push rod 13 is accommodated in the lower push rod 14 to unlock the locking device 15, and thus the lower push rod 14 can rotate around the second hinge point b towards one side of the rear foot bar 12, and the two ends of the support rod 122 are driven to rotate around the fifth hinge point and the sixth hinge point f, respectively, so that the rear foot bar 12, the support rod 122 and the lower push rod 14 are folded and contacted.

When the lower push rod 14 rotates, the combined joint 141 drives the first supporting piece 112 to rotate towards the front leg rod 11 side around the third hinge point c, and simultaneously the front leg rod 11 rotates towards the rear leg rod 12 side around the first hinge point a under the action of the second supporting piece 113, so that the front leg rod 11 is in folding contact with the rear leg rod 12, and the first supporting piece 112 is in folding contact with the front leg rod 11, thereby achieving the purpose of folding the whole frame.

Through the structure, when the frame is folded, people need to push the upper push rod 13 into the lower push rod 14, the fixed relation between the front foot rod connecting seat 111 and the combined joint 141 by the locking device 15 is released, the integral structure of the frame can be rotated and folded, a user can conveniently operate the frame with one hand, and the folding bicycle frame is simpler and more convenient to use.

And back foot pole 12 is fixed to be equipped with rotatory fixing base 123, and bracing piece 122 one end is articulated with rotatory fixing base 123, can ensure through rotatory fixing base 123 that bracing piece 122 can rotate foldingly.

Referring to fig. 2, in the above solution, the locking device 15 includes a hook 151 and a first spring 152, and a middle portion of the hook 151 is hinged to the combined joint 141 to form a seventh hinge point g. A hook is disposed at one end of the hook lock 151, and the end of the hook lock 151 having the hook extends out of the combined joint 141, and a fastening column 114 is disposed on the front foot rod connecting seat 111, and the hook is used for hooking the fastening column 114. The other end of the hook lock 151 is connected with the bottom wall of the combined joint 141 through a first spring 152, one end of the upper push rod 13, which is located inside the lower push rod 14, is provided with a collision plug 131, and the collision plug 131 is used for colliding the hook lock 151 to compress the first spring 152.

When the upper push rod 13 slides towards the lower push rod 14, the collision plug 131 impacts the end of the hook lock 151 away from the hook, so that the first spring 152 is compressed, and the hook lock 151 rotates around the seventh hinge point g, so that the hook on the hook lock 151 is separated from the clamping column 114 on the front foot rod connecting seat 111, and the purpose of unlocking is achieved. When the user needs to lock the lower push rod 14, the upper push rod 13 is pulled out from the lower push rod 14, so that the first spring 152 recovers elasticity, and the end of the hook lock 151 provided with the hook is clamped and fixed with the clamping column 114 under the action of the first spring 152, thereby achieving the purpose of locking and avoiding the lower push rod 14 from rotating around the second hinge point b.

Referring to fig. 3, a locking device is disposed at an end of the upper push rod 13 close to the lower push rod 14, and the locking device includes a latch 161, a second spring 162, a pulling rope 163, a retraction button 164, and a third spring 165. The bayonet pin 161 is disposed in the upper push rod 13 through the second spring 162, a first locking groove is disposed on one side of the upper push rod 13, a second locking groove is disposed on the lower push rod 14, and one end of the bayonet pin 161 extends out of the first locking groove through the second spring 162 and extends into the second locking groove.

The folding key 164 is arranged at the upper end of the upper push rod 13, the folding key 164 is hinged to the upper push rod 13, one end of the folding key 164 extends out of the upper push rod 13, the third spring 165 is arranged between the folding key 164 and the surface of the upper push rod 13, the third spring 165 is used for providing outward rotating force for the folding key 164, the pulling rope 163 is arranged in the upper push rod 13, one end of the pulling rope 163 is fixedly connected with the bayonet 161, and the other end of the pulling rope 163 is fixedly connected with the folding key 164.

Therefore, a person can press the retraction button 164 extending out of the upper push rod 13 to lift the pulling rope 163, so as to pull the latch 161 to disengage from the second latch slot, thereby canceling the latch position, and enabling the upper push rod 13 to push along the lower push rod 14. In the use state, the latch 161 is kept extending into the second latch groove by the action of the second spring 162 to achieve the purpose of latching, and the retraction button 164 is kept in the state that the pulling rope 163 hangs down under the action of the third spring 165.

And a child lock 132 is provided above the upper push rod 13, one end of the child lock 132 is inserted into the upper push rod 13, and one end of the child lock 132 pushes the retraction button 164 downward. When the child lock 132 is inserted into the push-up rod 13, the vehicle-collecting case cannot be rotated, so that the condition that children or users operate by mistake is prevented, and accidents are avoided.

A handle 115 is arranged above the first supporting sheet 112, the handle 115 is arranged towards the side far away from the front foot rod 11, and the frame is lifted towards the upper side of the front foot rod 11 after being folded, so that a user can take the frame through the handle 115.

Referring to fig. 5, a stroller includes a foldable seat 20, a seat fixing plate 30 and the foldable stroller frame 10, wherein the seat fixing plate 30 is disposed on the foldable stroller frame 10, the foldable seat 20 is disposed above the seat fixing plate 30, and the foldable seat 20 is detachably connected to the seat fixing plate 30.

Foldable seat 20 includes bedplate 21 and the backplate 22 of being connected with bedplate 21 rotation, and backplate 22 is far away from bedplate 21 one side and is equipped with chucking device 23, and chucking device 23 sets up in bedplate 21 and backplate 22 rotation junction, and chucking device 23 is used for restricting the rotation between bedplate 21 and the backplate 22.

Referring to fig. 6, when folding, the seat plate 21 and the back plate 22 can be rotated with each other by releasing the restriction of the clamping to the seat plate 21 and the back plate 22, so that the back plate 22 is rotated toward the seat plate 21, the back plate 22 is contacted with the seat plate 21 to achieve the purpose of folding, and then the locking device 15 restricts the space between the back plate 22 and the seat plate 21 to make the space between the back plate 22 and the base in a folded state, so that the back plate 22 and the base cannot be rotated. Therefore, the folded stroller seat structure is more flat, and the stroller is integrally folded and stored by matching with the foldable stroller frame 10.

Referring to fig. 7 and 8, a docking circular disc 24 is arranged below the foldable seat 20, a fixing post 25 is arranged in the middle of the docking circular disc 24, a groove 31 is formed in the middle of the seat fixing disc 30, the fixing post 25 is correspondingly arranged in the groove 31, a clamping block 32 is arranged on the inner wall of the groove 31, the clamping block 32 is connected with the inside of the seat fixing disc 30 through a fourth spring 33, and the clamping block 32 is used for limiting the foldable seat 20.

When the folding seat is installed, the fixing column 25 is aligned with the groove 31 in the seat fixing disc 30, the abutting circular disc 24 below the folding seat is aligned with the seat fixing disc 30, the fixing column 25 is pressed into the groove 31, the fixing column 25 is limited through the clamping block 32 on the inner wall of the groove 31, and the purpose of fixing the folding seat is achieved. When the fixing post 25 is inserted, one end of the fixing post 25 firstly presses the clamping block 32, so that the clamping block 32 is pushed into the seat fixing disc 30, when the groove 31 on the fixing post 25 moves to a position corresponding to the clamping block 32, the clamping block 32 is ejected out under the action of the fourth spring 33, the clamping block 32 is inserted into the groove 31, and therefore the purpose of clamping and fixing is achieved.

The surface of the seat fixing disc 30 is provided with a positioning block 34, a fifth spring 35 is arranged below the positioning block 34, one side of the positioning block 34 is provided with a handle 36, the handle 36 drives the positioning block 34 to slide up and down along the inside of the seat fixing disc 30, one side of the butt joint disc 24, which is close to the seat fixing disc 30, is provided with two positioning grooves 241, the positioning grooves 241 are matched with the positioning block 34, and the two positioning grooves 241 are oppositely arranged at two sides of the fixing column 25.

Through mutually supporting of a constant head tank 241 and locating piece 34, avoided collapsible seat 20 to rotate on seat fixed disk 30, people still can carry out the rotation adjustment with collapsible seat 20's orientation simultaneously, only need carry out 180 degrees rotations with collapsible seat 20 to carry out the screens with another constant head tank 241 and locating hole, can realize the rotation adjustment collapsible seat 20 orientation, can carry on spacingly again to collapsible seat 20 simultaneously.

The utility model provides a foldable baby carriage frame and a baby carriage, wherein an upper push rod is pushed towards the interior of a lower push rod, the upper push rod is accommodated in the lower push rod to unlock and lock a device, so that the lower push rod can rotate towards one side of a rear foot rod around a second hinge point and drives two ends of a support rod to rotate around a fifth hinge point and a sixth hinge point respectively, the rear foot rod, the support rod and the lower push rod are in folding contact, the lower push rod rotates, a combined joint drives a first support sheet to rotate towards one side of the front foot rod around a third hinge point, the front foot rod rotates towards one side of the rear foot rod around the first hinge point under the action of a second support sheet, the front foot rod is in folding contact with the rear foot rod, and the first support sheet is in folding contact with the front foot rod, so that the aim of folding the whole carriage frame is fulfilled. Through the structure, when the frame is folded, people need to push the upper push rod into the lower push rod, the fixed relation between the front foot rod connecting seat and the combined joint is relieved by the locking device, the integral structure of the frame can be rotated and folded, a user can conveniently operate the frame with one hand, and the folding bicycle is simpler and more convenient to use.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A foldable baby carriage frame is characterized by comprising a front foot rod, a rear foot rod, an upper push rod and a lower push rod, wherein a front foot rod connecting seat is arranged at the upper end of the front foot rod, a rear foot rod rotating piece is arranged at the upper end of the rear foot rod, the rear foot rod rotating piece is hinged with the front foot rod connecting seat to form a first hinge point, a combined joint is arranged on the lower push rod and is hinged with the front foot rod connecting seat to form a second hinge point, a locking device is arranged at one end, close to the front foot rod, of the combined joint and used for fixing the front foot rod connecting seat and the combined joint, the upper push rod can slidably extend into the lower push rod, the locking device is unlocked when the upper push rod slides into the lower push rod, a first supporting sheet is arranged above the front foot rod, one end of the first supporting sheet is hinged with the combined joint to form a third hinge point, the middle part of the first supporting sheet is connected with the front foot rod through a second supporting sheet, one end of the second supporting sheet is hinged to the first supporting sheet to form a fourth hinge point, the other end of the second supporting sheet is hinged to the first hinge point, a supporting rod is arranged between the combined joint and the rear foot rod, one end of the supporting rod is hinged to the combined joint to form a fifth hinge point, and the other end of the supporting rod is hinged to the rear foot rod to form a sixth hinge point.

2. The foldable stroller frame according to claim 1, wherein the locking device comprises a hook lock and a first spring, the middle part of the hook lock is hinged to the combined joint to form a seventh hinge point, one end of the hook lock is provided with a hook, one end of the hook lock provided with the hook extends out of the combined joint, the front foot bar connecting seat is provided with a clamping column, the hook is used for hooking the clamping column, the other end of the hook lock is connected with the bottom wall of the combined joint through the first spring, one end of the upper push rod positioned inside the lower push rod is provided with a collision plug head, and the collision plug head is used for colliding the hook lock to compress the first spring.

3. The foldable stroller frame according to claim 1, wherein the upper push rod is provided with a locking device at an end thereof adjacent to the lower push rod, the locking device comprises a locking pin, a second spring, a pulling rope, a retraction button and a third spring, the locking pin is disposed in the upper push rod through the second spring, a first locking groove is disposed at one side of the upper push rod, the lower push rod is provided with a second locking groove, one end of the locking pin extends out of the first locking groove through the second spring and extends into the second locking groove, the retraction button is disposed at an upper end of the upper push rod, the retraction button is hinged to the upper push rod, one end of the retraction button extends out of the upper push rod, the third spring is disposed between the retraction button and a surface of the upper push rod, the third spring is used for providing a force for outward rotation of the retraction button, the pulling rope is disposed in the upper push rod, and one end of the pulling rope is fixedly connected to the locking pin, the other end is fixedly connected with the vehicle-receiving key.

4. A foldable stroller frame according to claim 3, wherein a child lock is provided above said upper push rod, one end of said child lock is inserted into the interior of said upper push rod, and one end of said child lock pushes the retraction button downward.

5. A foldable stroller frame according to claim 1, wherein said first support piece is provided with a handle thereon, said handle being disposed towards a side remote from said front foot bar.

6. A foldable stroller frame according to claim 1, wherein said rear leg bar is fixedly provided with a rotary fixing seat, and one end of said support bar is hinged with said rotary fixing seat.

7. A stroller comprising a foldable seat, a seat holding tray and the foldable stroller frame of claims 1-6, wherein the seat holding tray is disposed on the foldable stroller frame, the foldable seat is disposed above the seat holding tray, and the foldable seat is detachably connected to the seat holding tray.

8. The stroller as recited in claim 7, wherein the foldable seat comprises a seat plate and a back plate rotatably connected to the seat plate, wherein a locking device is disposed on a side of the back plate away from the seat plate, the locking device being disposed at a position where the seat plate is rotatably connected to the back plate, the locking device being configured to limit rotation between the seat plate and the back plate.

9. The stroller as claimed in claim 7, wherein a docking disc is provided under the foldable seat, a fixing post is provided in the middle of the docking disc, a groove is provided in the middle of the seat fixing disc, the fixing post is correspondingly provided in the groove, a clamping block is provided on the inner wall of the groove, the clamping block is connected with the inside of the seat fixing disc through a fourth spring, and the clamping block is used for limiting the foldable seat.

10. The stroller of claim 9, wherein the positioning block is disposed on the surface of the seat holding plate, the fifth spring is disposed under the positioning block, a handle is disposed on one side of the positioning block, the handle drives the positioning block to slide up and down along the inside of the seat holding plate, and the docking disc has two positioning slots disposed on one side thereof adjacent to the seat holding plate, the positioning slots being adapted to the positioning block, and the two positioning slots being disposed on opposite sides of the fixing post.