CN219044355U

CN219044355U - Child cart frame

Info

Publication number: CN219044355U
Application number: CN202222932246.5U
Authority: CN
Inventors: 杨国辉; 范子龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-05-19
Anticipated expiration: 2032-11-04

Abstract

The utility model discloses a child pushing frame which comprises a three-way frame, a front connecting rod, a front wheel set frame, a rear connecting frame, a rear wheel set frame, an upper connecting rod, a movable connecting sleeve, a U-shaped rod and a pushing handle. According to the utility model, the rotating locking of the push handle is realized through the reversing locking mechanism, so that the push handle can be pushed on the back side of a child, and the push handle can be pushed on the facing side of the child, so that the facing of the child can be regulated without rotating the seat, the folding of the whole frame is controlled through the folding locking structure, and the push block is pressed for one-key folding.

Description

Child cart frame

Technical Field

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

Background

Baby strollers are "vehicles" for infants that require someone to assist in pushing or pulling the cart to travel. The baby stroller is generally composed of a sunshade, a seat cushion, a sleeping basket and an anti-haze cover, and the service life is generally three to five years. The age of the baby is considered in the purchase, and the function of the baby stroller is upgraded nowadays to sleep, eat, play, and the like.

The existing strollers have the following problems:

1. the push handle of the child cart can not adjust the direction, and only the direction of the seat can be adjusted to enable the child to face the cart person or face away from the cart person, but the adjustment mode is complex in structure and easy to damage between the seat and the frame;

2. the child cart has folding function, but the existing folding mode is complex, and needs to be improved.

Disclosure of Invention

The utility model aims at the problems that the push handle of the child cart can not adjust the direction, and only the direction of the seat can be adjusted to enable the child to face the cart or back to the cart, but the adjustment mode is complex in structure, the seat and the frame are easy to damage, the child cart has a folding function, and the existing folding mode is complex.

In order to solve the problems, the utility model provides a child stroller frame, which comprises a three-way frame, a front connecting rod, a front wheel set frame, a rear connecting frame, a rear wheel set frame, an upper connecting rod, a movable connecting sleeve, a U-shaped rod and a pushing handle, wherein one end of the front connecting rod is connected with the three-way frame through a pin shaft, the front wheel set frame is connected with the other end of the front connecting rod, one end of the rear connecting frame is connected with the three-way frame, the rear wheel set frame is connected with the other end of the rear connecting frame, one end of the upper connecting rod is connected with the three-way frame through a pin shaft, the movable connecting sleeve is connected with the other end of the upper connecting rod through a pin shaft, the U-shaped rod is fixedly sleeved in the movable connecting sleeve, the pushing handle is arranged on one side of the U-shaped rod, a reversing locking structure is arranged between the U-shaped rod and the pushing handle, and a folding locking structure is arranged between the pushing handle and the upper connecting rod.

Preferably, the reversing locking structure mainly comprises: the device comprises a fixed lock sleeve, a connecting sleeve, a movable sleeve, a fixed block, a movable block, a spring A, a sliding sleeve and a steel rope A;

the fixed lock sleeve is fixed on the U-shaped rod, the connecting sleeve is fixedly sleeved at the tail end of the pushing handle, the connecting sleeve is connected with the fixed lock sleeve through a pin shaft, the movable sleeve is movably sleeved on the pushing handle, the fixed block is fixedly sleeved inside the tail end of the pushing handle, the movable block is movably embedded inside the fixed block, the movable block is connected with the movable sleeve, two opposite ends of the spring A are respectively propped against the opposite surfaces of the movable block and the fixed block, the sliding sleeve is connected with the pushing handle through a pin shaft, one end of the steel rope A is connected with the sliding sleeve through a pin shaft, and the other end of the steel rope A is fixed in the movable block.

Preferably, the folding locking structure mainly includes: the folding lock sleeve, the movable lock cylinder, the sliding block, the spring B, the shell, the pressing block and the steel rope B;

the folding lock sleeve is fixedly sleeved on the upper connecting rod, the movable lock cylinder is movably sleeved in the U-shaped rod, the sliding block is movably embedded in the fixed block, the sliding block is connected with the movable lock cylinder, the opposite ends of the spring B are respectively propped against the opposite surfaces of the sliding block and the fixed block, the shell is fixed at the top end of the push handle, the pressing block is movably embedded in the shell, one end of the steel rope B is fixed in the pressing block, and the other end of the steel rope B is fixed in the sliding block.

Preferably, a blocking button is movably clamped at the top end of the shell, and a spring C is arranged between the blocking button and the shell.

Preferably, the pin shaft on the opposite side surface of the fixed lock sleeve is connected with an auxiliary connecting rod, the other end of the auxiliary connecting rod is connected with the rear connecting frame through a pin shaft, the pin shaft on the opposite side surface of the auxiliary connecting rod is connected with an L-shaped connecting rod, the other end of the L-shaped connecting rod is connected with the front connecting rod through a pin shaft, a seat frame is connected between the auxiliary connecting rods through a pin shaft, and the seat frame is connected with the folding lock sleeve through a pin shaft.

Preferably, a handrail is connected between the seat frame and the folding lock sleeve through a pin shaft.

Preferably, the movable connecting sleeve is fixedly sleeved with a sunshade rod.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. the reversing locking mechanism is used for realizing the rotary locking of the push handle, so that the push handle can be pushed on the back side of the child, and the push handle can be pushed on the facing side of the child, thereby realizing that the facing of the child can be adjusted without rotating the seat;

2. the folding locking structure controls the whole folding of the frame, is convenient and simple, and presses the pressing block to fold in a one-key manner.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.

Fig. 1 is a perspective view of a stroller frame according to the present embodiment;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a semi-collapsed state diagram of FIG. 1;

FIG. 4 is a fully collapsed state diagram of FIG. 1;

FIG. 5 is a partially exploded view of a stroller frame according to an embodiment;

FIG. 6 is another schematic view of FIG. 5;

FIG. 7 is a partially exploded view of a stroller frame according to an embodiment;

the figure shows: 1. a three-way frame; 2. a front connecting rod; 3. a front wheel set frame; 4. a rear connecting frame; 5. a rear wheel set frame; 6. an upper connecting rod; 7. a movable connecting sleeve; 8. a U-shaped rod; 9. a pushing handle; 10. fixing the lock sleeve; 11. connecting sleeves; 12. a movable sleeve; 13. a fixed block; 14. a movable block; 15. a spring A; 16. a sliding sleeve; 17. a steel rope A; 18. folding the lock sleeve; 19. a movable lock core; 20. a sliding block; 21. a spring B; 22. a housing; 23. pressing the blocks; 24. a steel rope B; 25. a stop button; 26. a spring C; 27. an auxiliary connecting rod; 28. an L-shaped connecting rod; 29. a mounting; 30. an armrest; 31. sunshade rod.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

As shown in fig. 1-7 of the specification, the child stroller comprises a three-way frame 1, a front connecting rod 2, a front wheel set frame 3, a rear connecting frame 4, a rear wheel set frame 5, an upper connecting rod 6, a movable connecting sleeve 7, a U-shaped rod 8 and a pushing handle 9, wherein one end of the front connecting rod 2 is connected to the three-way frame 1 through a pin shaft, the front wheel set frame 3 is connected to the other end of the front connecting rod 2, one end of the rear connecting frame 4 is connected to the three-way frame 1, the rear wheel set frame 5 is connected to the other end of the rear connecting frame 4, one end of the upper connecting rod 6 is connected to the three-way frame 1 through a pin shaft, the movable connecting sleeve 7 is connected to the other end of the upper connecting rod 6 through a pin shaft, the U-shaped rod 8 is fixedly sleeved in the movable connecting sleeve 7, the pushing handle 9 is arranged on one side of the U-shaped rod 8, a reversing locking structure is arranged between the U-shaped rod 8 and the pushing handle 9, and a folding locking structure is arranged between the pushing handle 9 and the upper connecting rod 6.

As can be seen from fig. 1 of the specification, the reversing locking structure mainly includes: the lock sleeve comprises a fixed lock sleeve 10, a connecting sleeve 11, a movable sleeve 12, a fixed block 13, a movable block 14, a spring A15, a sliding sleeve 16 and a steel rope A17;

the fixed lock sleeve 10 is fixed on the U-shaped rod 8, the connecting sleeve 11 is fixedly sleeved at the tail end of the push handle 9, the connecting sleeve 11 is in pin shaft connection with the fixed lock sleeve 10, the movable sleeve 12 is movably sleeved on the push handle 9, the fixed block 13 is fixedly sleeved inside the tail end of the push handle 9, the movable block 14 is movably embedded inside the fixed block 13, the movable block 14 is connected with the movable sleeve 12, two opposite ends of the spring A15 respectively prop against the opposite surfaces of the movable block 14 and the fixed block 13, the sliding sleeve 16 is in pin shaft connection with the push handle 9, one end of the steel rope A17 is in pin shaft connection with the sliding sleeve 16, and the other end of the steel rope A17 is fixed in the movable block 14.

As can be seen from fig. 1 to 7 of the specification, the folding locking structure mainly comprises: the folding lock sleeve 18, the movable lock cylinder 19, the sliding block 20, the spring B21, the shell 22, the pressing block 23 and the steel rope B24;

the folding lock sleeve 18 is fixedly sleeved on the upper connecting rod 6, the movable lock cylinder 19 is movably sleeved in the U-shaped rod 8, the sliding block 20 is movably embedded in the fixed block 13, the sliding block 20 is connected with the movable lock cylinder 19, the opposite ends of the spring B21 are respectively propped against the opposite surfaces of the sliding block 20 and the fixed block 13, the top end of the push handle 9 is fixed by the outer shell 22, the pressing block 23 is movably embedded in the outer shell 22, one end of the steel rope B24 is fixed in the pressing block 23, and the other end of the steel rope B24 is fixed in the sliding block 20.

As can be seen from fig. 1 to 7 of the specification, a blocking button 25 is movably clamped at the top end of the housing 22, and a spring C26 is arranged between the blocking button 25 and the housing 22; the opposite side surfaces of the fixed lock sleeve 10 are in pin connection with auxiliary connecting rods 27, the other ends of the auxiliary connecting rods 27 are in pin connection with the rear connecting frames 4, the opposite side surfaces of the auxiliary connecting rods 27 are in pin connection with L-shaped connecting rods 28, the other ends of the L-shaped connecting rods 28 are in pin connection with the front connecting rods 2, a seat frame 29 is in pin connection between the auxiliary connecting rods 27, and the seat frame 29 is in pin connection with the folding lock sleeve 18; a handrail 30 is connected between the seat frame 29 and the folding lock sleeve 18 through a pin shaft; a sunshade rod 31 is fixedly sleeved on the movable connecting sleeve 7;

it should be pointed out that, in the specific implementation process, when the cart frame needs to be folded, firstly, the blocking button 25 is slid, the pressing block 23 is pressed, the pressing block 23 drives the steel rope B24, the steel rope B24 drives the sliding block 20, the sliding block 20 drives the movable lock cylinder 19, the movable lock cylinder 19 is pulled out of the folding lock sleeve 18, then the push handle 9 is pulled, the push handle 9 is linked with each part to fold the cart frame, when the push handle 9 needs to be reversed when in use, the sliding sleeve 16 is pulled, the sliding sleeve 16 drives the steel rope A17, the steel rope A17 drives the movable block 14, the movable block 14 drives the movable sleeve 12, the movable sleeve 12 slides and the fixed lock sleeve 10 are not locked any more, then the push handle 9 is pulled, the push handle 9 is connected and rotated through the pin shaft between the connecting sleeve 11 and the fixed lock sleeve 10, and then the movable sleeve 12 is clamped on the folding lock sleeve 18, so as to complete the reversing.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. The utility model provides a children push away frame, includes tee bend frame (1), preceding connecting rod (2), preceding wheelset frame (3), back link (4), back wheelset frame (5), goes up connecting rod (6), movable connecting sleeve (7), U-shaped pole (8) and pushes away handle (9), a serial communication port, preceding connecting rod (2) one end round pin hub connection is in on tee bend frame (1), preceding wheelset frame (3) are connected preceding connecting rod (2) other end, back link (4) one end is connected on tee bend frame (1), back wheelset frame (5) are connected back link (4) other end, go up connecting rod (6) one end round pin hub connection and be in on tee bend frame (1), movable connecting sleeve (7) round pin hub connection is in go up the connecting rod (6) other end, U-shaped pole (8) fixed suit is in movable connecting sleeve (7), push away handle (9) and be provided with between pushing away handle (9) locking structure, push away between locking structure (6) and the folding structure.

2. A stroller frame according to claim 1, wherein the reversing locking structure comprises essentially: a fixed lock sleeve (10), a connecting sleeve (11), a movable sleeve (12), a fixed block (13), a movable block (14), a spring A (15), a sliding sleeve (16) and a steel rope A (17);

the fixed lock sleeve (10) is fixed on the U-shaped rod (8), the connecting sleeve (11) is fixedly sleeved on the tail end of the pushing handle (9), the connecting sleeve (11) is in pin shaft connection with the fixed lock sleeve (10), the movable sleeve (12) is movably sleeved on the pushing handle (9), the fixed block (13) is fixedly sleeved inside the tail end of the pushing handle (9), the movable block (14) is movably embedded inside the fixed block (13), the movable block (14) is connected with the movable sleeve (12), two opposite ends of the spring A (15) are respectively propped against the opposite surfaces of the movable block (14) and the fixed block (13), the sliding sleeve (16) is in pin shaft connection with the pushing handle (9), one end of the steel rope A (17) is in pin shaft connection with the sliding sleeve (16), and the other end of the steel rope A (17) is fixed in the movable block (14).

3. A stroller frame according to claim 2, wherein the fold-locking structure comprises essentially: a folding lock sleeve (18), a movable lock cylinder (19), a sliding block (20), a spring B (21), a shell (22), a pressing block (23) and a steel rope B (24);

the folding lock sleeve (18) is fixedly sleeved on the upper connecting rod (6), the movable lock cylinder (19) is movably sleeved in the U-shaped rod (8), the sliding block (20) is movably embedded in the fixed block (13), the sliding block (20) is connected with the movable lock cylinder (19), opposite ends of the spring B (21) are respectively propped against opposite surfaces of the sliding block (20) and the fixed block (13), the shell (22) is fixed at the top end of the push handle (9), the pressing block (23) is movably embedded in the shell (22), one end of the steel rope B (24) is fixed in the pressing block (23), and the other end of the steel rope B (24) is fixed in the sliding block (20).

4. A stroller frame according to claim 3, characterized in that a stop button (25) is movably clamped at the top end of the outer shell (22), and a spring C (26) is arranged between the stop button (25) and the outer shell (22).

5. A stroller frame according to claim 3, characterized in that the opposite side surfaces of the fixed lock sleeve (10) are connected with auxiliary connecting rods (27) through pin shafts, the other ends of the auxiliary connecting rods (27) are connected with the rear connecting frame (4) through pin shafts, the opposite side surfaces of the auxiliary connecting rods (27) are connected with L-shaped connecting rods (28) through pin shafts, the other ends of the L-shaped connecting rods (28) are connected with the front connecting rods (2) through pin shafts, a seat frame (29) is connected between the auxiliary connecting rods (27) through pin shafts, and the seat frame (29) is connected with the folding lock sleeve (18) through pin shafts.

6. A stroller frame according to claim 5, characterized in that an armrest (30) is journalled between the seat frame (29) and the folding lock sleeve (18).

7. A stroller frame according to claim 1, characterized in that the movable connecting sleeve (7) is fixedly sleeved with a sunshade rod (31).