CN220743125U - Folding structure of baby carriage - Google Patents

Abstract

The utility model discloses a folding framework of a child stroller, which comprises two bottom pipes, wherein the middle parts of the two bottom pipes are rotatably connected with a first shaft, the surface of the first shaft is provided with a lower connecting piece, the top of the lower connecting piece is rotatably connected with a second shaft, the surface of the second shaft is provided with an upper connecting piece, a lower pushing handle pipe is inserted into the upper connecting piece, an upper pushing handle pipe is inserted into the lower pushing handle pipe, a pushing handle is fixedly arranged at the top end of the upper pushing handle pipe, two sides of the surface of the pushing handle pipe are rotatably connected with a canopy seat, one ends of the two bottom pipes are fixedly provided with a bottom pipe rear connecting piece, the top of the bottom pipe rear connecting piece is rotatably connected with a third shaft, two ends of the third shaft are respectively provided with a supporting rod, and the top of the upper connecting piece is rotatably connected with a fourth shaft.

Description

Folding structure of baby carriage

Technical Field

The utility model relates to the technical field of carts, in particular to a folding framework of a child cart.

Background

A child stroller is a device for an infant or young child to easily move and carry.

However, the existing stroller has the following drawbacks:

(1) The existing child cart is opened and retracted in a sliding mode, and sliding sleeves are not smooth in sliding on the tubes due to unbalanced stress in the folding or opening process, so that inconvenience is brought to users in the use process;

(2) The folding process of the existing children cart is complex and not simple enough.

Disclosure of Invention

The utility model aims to provide a folding framework of a child trolley, which aims to solve the problems that the existing framework mode of the child trolley provided in the background art adopts sliding type to realize the opening and the folding of the trolley, sliding of a sliding sleeve on a pipe is unsmooth due to unbalanced stress in the folding or opening process, inconvenience is brought to a user in the using process, and the folding process of the child trolley is complex and not simple enough.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a children's shallow receipts closes framework, includes two bottom pipes, two the middle part of bottom pipe rotates to be connected with axle one, axle one's surface mounting has down the connecting piece, the top of connecting piece rotates and is connected with axle two down, axle two's surface mounting has the connecting piece, the inside grafting of going up the connecting piece has the push down the barre, the inside grafting of push down the barre has the push up barre, the top fixed mounting who pushes up the barre has the pushing handle, the both sides rotation of pushing the surface of the barre are connected with the shed seat, the surface mounting of shed seat has the sunshade, two the one end fixed mounting of bottom pipe has the connecting piece behind the bottom pipe, the top of connecting piece rotates and is connected with axle three down, the bracing piece is all installed at axle three's both ends, the top of going up the connecting piece rotates the connecting axle four, and two the middle part of bracing piece respectively with the both ends of axle four alternate connection, two the equal fixedly connected with support piece of top of bracing piece.

When the child stroller folding framework of the technical scheme is used, the child stroller is unfolded and folded by adopting the four-bar lever principle, labor is saved, the child stroller is stable in use, the problem of uneven stress and unsmooth folding is avoided, and the child stroller folding framework is simple in folding operation and convenient to use.

As a preferable technical scheme of the utility model, one side of the inner walls of the two bottom pipes is fixedly connected with a transverse plate, the bottom of the bottom pipe rear connecting piece is fixedly provided with a connecting pipe, and two ends of the connecting pipe are respectively and rotatably connected with a rear wheel. The rear wheels are provided for movement of the vehicle body.

As a preferable technical scheme of the utility model, the two sides of the top end of the connecting pipe are fixedly provided with brakes. The brake is used for preventing the child from sliding when the stroller is parked.

As a preferable technical scheme of the utility model, one end of the bottom tube, which is far away from the bottom tube rear connecting piece, is fixedly provided with a front frame, and both sides of the bottom end of the front frame are rotatably connected with front wheels. The front wheel is used for the movement of the vehicle body.

As a preferable technical scheme of the utility model, the surface of the push-down handle tube is sleeved with a back seat cloth fixing piece. The surface of the back seat cloth fixing piece is used for installing the back seat cloth.

As a preferable technical scheme of the utility model, a button is arranged in the middle of the top end of the push handle. The setting button plays a role of unlocking.

As a preferable technical scheme of the utility model, the top end of the push-down handle tube is provided with an upper locking mechanism. The upper locking mechanism is used for locking between the push-up handle tube and the push-down handle tube.

As a preferable technical scheme of the utility model, a lower locking mechanism is arranged in the lower connecting piece and comprises a spring and an extrusion block, wherein the spring is fixedly connected to the bottom end of the inner wall of the lower connecting piece, and the top end of the spring is fixedly connected with the extrusion block. The lower locking mechanism is used for locking the push-down handle tube and the lower connecting piece.

As a preferable technical scheme of the utility model, the two ends of the pushing handle are provided with anti-skid lines. The anti-slip lines enable the hand to not slide easily.

Compared with the prior art, the utility model has the beneficial effects that:

1. the child stroller frame is provided with four rotation points of a first shaft, a second shaft, a third shaft and a fourth shaft, and achieves the effects of opening and retracting the stroller by adopting a four-bar lever principle, so that the child stroller frame is labor-saving and stable in the use process, and the problem of uneven stress and unsmooth phenomenon can be avoided;

2. the child stroller is simple in folding operation, low in difficulty and convenient to use.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a top perspective view of the present utility model;

FIG. 3 is a side perspective view of the present utility model;

FIG. 4 is a bottom perspective view of the present utility model;

fig. 5 is a partial perspective view of the present utility model.

In the figure: 1. a bottom tube; 2. a front shelf; 3. a front wheel; 4. a bottom tube rear connecting piece; 5. a rear wheel; 6. a lower connecting piece; 7. a first shaft; 8. an upper connecting piece; 9. a support rod; 10. a lower locking mechanism; 101. a spring; 102. extruding a block; 11. a second shaft; 12. pushing down the handle tube; 13. a rear seat cloth fixing member; 14. an upper locking mechanism; 15. pushing up the handle tube; 16. a pushing handle; 17. sunshade shed; 18. a button; 19. a connecting pipe; 20. braking; 21. a support; 22. anti-skid lines; 23. an axle III; 24. a fourth shaft; 25. a canopy base; 26. and a transverse plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the utility model provides a folding structure of a stroller, which comprises two bottom pipes 1, wherein a first shaft 7 is rotatably connected to the middle parts of the two bottom pipes 1, a lower connecting piece 6 is fixedly arranged on one end of the first shaft 7, a second shaft 11 is rotatably connected to the top of the lower connecting piece 6, an upper connecting piece 8 is arranged on the surface of the second shaft 11, a lower pushing handle pipe 12 is inserted into the upper connecting piece 8, an upper pushing handle pipe 15 is inserted into the lower pushing handle pipe 12, a pushing handle 16 is fixedly arranged at the top end of the upper pushing handle pipe 15 and used for pushing the stroller to move, a canopy 25 is rotatably connected to the two sides of the surface of the pushing handle 16, a sunshade 17 is arranged on the surface of the canopy 25 and used for sunshade, a third shaft 23 is rotatably connected to the top of the lower connecting piece 4, support rods 9 are respectively arranged at the two ends of the third shaft 23, a fourth connecting shaft 24 is rotatably connected to the top of the upper connecting piece 8, and the middle parts of the two support rods 9 are respectively connected with the top ends of the fourth shaft 24 in a penetrating manner, and support members 21 are fixedly connected to the two support members for supporting the child sitting on the two sides.

When the child stroller is used, the supporting pieces 21 at one ends of the two supporting rods 9 are used for supporting and installing sitting and standing parts of children, the sunshade shed 17 is arranged to play a role in sunshade for the children, parents can push the child stroller to move on the push handle 16 by holding the child stroller with two hands, and the stroller can be folded by folding the sunshade shed 17, pushing the handle tube 15, the lower connecting piece 6 and the upper connecting piece 8;

one side of the inner wall of the two bottom pipes 1 is fixedly connected with a transverse plate 26, the bottom of the bottom pipe rear connecting piece 4 is fixedly provided with a connecting pipe 19, two ends of the connecting pipe 19 are respectively and rotatably connected with a rear wheel 5, two sides of the top end of the connecting pipe 19 are fixedly provided with a brake 20 for preventing a car from sliding when the car is parked, one end of the two bottom pipes 1, which is far away from the bottom pipe rear connecting piece 4, is fixedly provided with a front frame 2, two sides of the bottom end of the front frame 2 are respectively and rotatably connected with a front wheel 3 for the movement of a car body, the surface of the push-down handle pipe 12 is sheathed with a rear seat cloth fixing piece 13 for installing a rear seat cloth, two ends of the push-handle 16 are respectively provided with anti-skid lines 22 for improving the anti-skid property;

when the baby stroller is used, the trolley body can be pushed to move through the rollers arranged at the front and rear sides, the arranged brake 20 is used for preventing slipping when the baby stroller is parked, the safety is improved, the arranged back seat cloth fixing piece 13 is used for installing and fixing the back seat cloth, and the anti-slip lines 22 are arranged on the push handle 16, so that parents are not easy to slip when walking the push handle 16;

the middle part of the top end of the push handle 16 is provided with a button 18 for unlocking, the top end of the push handle pipe 12 is provided with an upper locking mechanism 14, the bottom end of the lower connecting piece 6 is provided with a lower locking mechanism 10, the lower locking mechanism 10 is arranged in the lower connecting piece 6, the lower locking mechanism 10 comprises a spring 101 and an extrusion block 102, the spring 101 is fixedly connected with the bottom end of the inner wall of the lower connecting piece 6, and the top end of the spring 101 is fixedly connected with the extrusion block 102 to play a locking role;

in use, the upper locking mechanism 14 is used for locking between the push-up handle tube 15 and the push-down handle tube 12, the push button 18 can be pressed to unlock, and the lower locking mechanism 10 is used for locking between the push-down handle tube 12 and the lower connecting piece 6, and the push-up handle tube 15 can be pressed to the bottom to push the extrusion block 102 to unlock.

When the folding structure of the baby stroller is particularly used, the folding structure of the baby stroller is provided with four rotation points of a first shaft 7, a second shaft 11, a third shaft 23 and a fourth shaft 24, a second lock at the position of an upper locking mechanism 14 is used for locking between an upper pushing handle pipe 15 and a lower pushing handle pipe 12, a button 18 is used for unlocking the locking structure in the upper locking mechanism 14 and also used for locking between the upper pushing handle pipe 15 and the lower pushing handle pipe 12, a lower locking mechanism 10 is used for locking between the lower pushing handle pipe 12 and a lower connecting piece 6, when the baby stroller is folded, the second lock of the upper locking mechanism 14 is turned down, then a sunshade 17 at the position of the pushing handle 16 is turned over to be attached to the upper pushing handle pipe 15, the button 18 is pressed to unlock the upper locking mechanism 14, the lower pushing handle pipe 15 is pressed down to the inner bottom of the lower pushing handle pipe 12, the lower locking mechanism 10 is unlocked in a pressing mode, at the moment, the lower connecting piece 6 is turned over to the front of the baby stroller, and finally the baby stroller is folded and folded.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (9)

1. The utility model provides a child cart receipts closes framework, includes two bottom tube (1), its characterized in that: the middle part of two bottom tube (1) rotates and is connected with axle one (7), the surface mounting of axle one (7) has connecting piece (6) down, the top of connecting piece (6) rotates and is connected with axle two (11), connecting piece (8) are gone up to the surface mounting of axle two (11), go up connecting piece's (8) inside grafting and have push down handle pipe (12), push down the inside grafting of handle pipe (12) has push up handle pipe (15), push up the top fixed mounting of handle pipe (15) has push handle (16), push away the both sides rotation on handle (16) surface and be connected with shed seat (25), the surface mounting of shed seat (25) has sunshade (17), two connecting piece (4) behind the one end fixed mounting of bottom tube (1), the top of connecting piece (4) rotates and is connected with axle three (23), bracing piece (9) are all installed at the both ends of axle three (23), go up connecting piece (8) top rotation four axle (24) and two both ends of connecting piece (24) respectively support rod (9).

2. The stroller collapsing structure according to claim 1, wherein: one side of the inner walls of the bottom pipes (1) is fixedly connected with a transverse plate (26), the bottoms of the bottom pipe rear connecting pieces (4) are fixedly provided with connecting pipes (19), and two ends of each connecting pipe (19) are respectively and rotatably connected with a rear wheel (5).

3. The stroller collapsing structure according to claim 2, characterized in that: the two sides of the top end of the connecting pipe (19) are fixedly provided with brakes (20).

4. The stroller collapsing structure according to claim 1, wherein: the front frame (2) is fixedly arranged at one end of the rear connecting piece (4) of the bottom tube (1), which is far away from the bottom tube, and front wheels (3) are rotatably connected to two sides of the bottom end of the front frame (2).

5. The stroller collapsing structure according to claim 1, wherein: the surface of the push-down handle tube (12) is sleeved with a back seat cloth fixing piece (13).

6. The stroller collapsing structure according to claim 1, wherein: the middle part at the top end of the push handle (16) is provided with a button (18).

7. The stroller collapsing structure according to claim 1, wherein: an upper locking mechanism (14) is arranged at the top end of the push-down handle tube (12).

8. The stroller collapsing structure according to claim 1, wherein: the inside mounting of lower connecting piece (6) has lower locking mechanical system (10), lower locking mechanical system (10) are including spring (101) and extrusion piece (102), spring (101) fixed connection is in the bottom of lower connecting piece (6) inner wall, the top fixedly connected with extrusion piece (102) of spring (101).

9. The stroller collapsing structure according to claim 1, wherein: anti-slip lines (22) are formed at two ends of the pushing handle (16).