CN206900460U - A kind of children trolley folding/unfolding joint with shock-absorbing protecting effect - Google Patents

Abstract

The utility model relates to children trolley technical field,Especially a kind of children trolley folding/unfolding joint with shock-absorbing protecting effect,Including front foot pipe,Rear foot tube,Handle tube and joint shell,Joint valve jacket is connected on the outside of front foot pipe and handle tube junction,Arthrostracous lower surface position on the upper side is provided with compression leg,Compression leg is perpendicular to joint shell,Arthrostracous lower surface position on the lower side is provided with connection shell,The lower surface for connecting shell is opening surface,The opening surface that connection shell is pierced into the upper end of rear foot tube is rotatably connected on the inwall of connection shell,The upper end of rear foot tube is provided with cushion socket close to the position of compression leg,The upper surface of cushion socket is provided with section as circular standing groove,Damping spring is fixedly connected with the bottom of standing groove,The upper end of damping spring is fixedly connected with briquetting,A pair of open slots to match with compression leg are provided with the side wall of standing groove,Compression leg through cushion socket and is pressed in the top of briquetting by open slot.The utility model damping property is good, convenient use.

Description

A kind of children trolley folding/unfolding joint with shock-absorbing protecting effect

Technical field

It the utility model is related to children trolley technical field, more particularly to a kind of children trolley with shock-absorbing protecting effect Folding/unfolding joint.

Background technology

The vehicle frame of children trolley generally includes front foot pipe, rear foot tube and handle pipe, and generally, stroller is for folding and unfolding side Just, connected between its front foot pipe and rear foot tube by folding/unfolding joint, can fold front foot pipe and rear foot tube by folding/unfolding joint Together, the hinge function for folding switch and being only that by front foot pipe and rear foot tube of existing stroller, does not have damping Effect, if stroller passes through the road surface compared and jolted, children's ride-on will be made very uncomfortable, cause it to cry and scream, and it is existing Folding/unfolding joint position is all fixed, can not change the angle of stroller seat support by folding switch, cause function relatively simple, In order to solve these problems, we have proposed a kind of children trolley folding/unfolding joint with shock-absorbing protecting effect.

Utility model content

The purpose of this utility model is to solve shortcoming present in prior art, and the one kind proposed has damping guarantor The children trolley folding/unfolding joint of shield effect.

To achieve these goals, the utility model employs following technical scheme：

Design it is a kind of with shock-absorbing protecting effect children trolley folding/unfolding joint, including front foot pipe, rear foot tube, handle tube and The diameter of joint shell, the front foot pipe and handle tube is equal and linear connection, the joint valve jacket are connected on front foot pipe and handle The outside of pipe junction, arthrostracous lower surface position on the upper side are provided with compression leg, and the compression leg is described perpendicular to joint shell Arthrostracous lower surface position on the lower side is provided with connection shell, and the lower surface of the connection shell is opening surface, the rear foot tube it is upper The opening surface that connection shell is pierced at end is rotatably connected on the inwall of connection shell, and the upper end of the rear foot tube is set close to the position of compression leg There is cushion socket, the upper surface of the cushion socket is provided with section as circular standing groove, damping is fixedly connected with the bottom of standing groove Spring, the upper end of the damping spring are fixedly connected with briquetting, are opened in the side wall of standing groove provided with a pair with what compression leg matched Mouth groove, the compression leg through cushion socket and are pressed in the top of briquetting by open slot.

Preferably, the monosymmetric of the front foot pipe and handle tube junction is provided with a pair of blocks, between two blocks Away from 1.5 times for joint shell length, allow joint shell all the time while be socketed in the outside of front foot pipe and handle tube.

Preferably, the width of the cushion socket side wall upper shed groove is less than the diameter of standing groove, prevents inside standing groove Damping spring and briquetting ejection.

Preferably, the section of the briquetting is circle, coordinates between the briquetting and standing groove for gap, enables briquetting Slided in standing groove.

Preferably, coordinate between the joint shell and front foot pipe for gap, be gap between the joint shell and handle tube Coordinate, the arthrostracous both ends are fixedly connected with front foot pipe and handle tube respectively by locking pin, and joint shell can be at two Enter line slip between block and be fixed by locking pin, so as to change the angle of stroller seat support.

The utility model proposes a kind of children trolley folding/unfolding joint with shock-absorbing protecting effect, beneficial effect is： The utility model good damping effect, it is more comfortable when making children's ride-on, when front foot pipe and rear foot tube pull open, the pressure on the shell of joint Post can stick into the open slot of cushion socket and push down briquetting, damping be carried out by damping spring, moreover, joint shell can be at two Enter line slip between block and be fixed by locking pin, so as to change the angle of stroller seat support.

Brief description of the drawings

Fig. 1 be the utility model proposes it is a kind of with shock-absorbing protecting effect children trolley folding/unfolding joint structural representation Figure；

Fig. 2 be the utility model proposes it is a kind of with shock-absorbing protecting effect children trolley folding/unfolding joint joint shell knot Structure schematic diagram；

Fig. 3 be the utility model proposes it is a kind of with shock-absorbing protecting effect children trolley folding/unfolding joint cushion socket side View；

Fig. 4 be the utility model proposes a kind of cushion socket of children trolley folding/unfolding joint with shock-absorbing protecting effect bow View；

In figure：1- front foot pipes, 2- rear foot tubes, 3- handle tubes, 4- joints shell, 5- compression legs, 6- connection shells, 7- cushion sockets, 8- Standing groove, 9- damping springs, 10- briquettings, 11- open slots, 12- blocks, 13- locking pins.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole Embodiment.

Reference picture 1-4, a kind of children trolley folding/unfolding joint with shock-absorbing protecting effect, including front foot pipe 1, rear foot tube 2, Handle tube 3 and joint shell 4, the front foot pipe 1 is equal with the diameter of handle tube 3 and linear connection, the joint shell 4 are socketed in Front foot pipe 1 and the outside of the junction of handle tube 3, the position that the lower surface of the joint shell 4 is on the upper side are provided with compression leg 5, the compression leg 5 Perpendicular to joint shell 4, the position that the lower surface of the joint shell 4 is on the lower side is provided with connection shell 6, and the lower surface of the connection shell 6 is Opening surface, the opening surface that connection shell 6 is pierced into the upper end of the rear foot tube 2 are rotatably connected on the inwall of connection shell 6, the rear foot The upper end of pipe 2 is provided with cushion socket 7 close to the position of compression leg 5, and the upper surface of the cushion socket 7 is provided with section as circular standing groove 8, damping spring 9 is fixedly connected with the bottom of standing groove 8, the upper end of the damping spring 9 is fixedly connected with briquetting 10, in standing groove 8 side wall is provided with a pair of open slots 11 to match with compression leg 5, and the compression leg 5 through cushion socket 7 and is pressed by open slot 11 In the top of briquetting 10.

The front foot pipe 1 is provided with a pair of blocks 12, the spacing of two blocks 12 with the monosymmetric of the junction of handle tube 3 For 1.5 times of the length of joint shell 4, allow joint shell 4 all the time while be socketed in the outside of front foot pipe 1 and handle tube 3, it is described to subtract The width for shaking the side wall upper shed groove 11 of seat 7 is less than the diameter of standing groove 8, prevents the damping spring 9 and briquetting 10 inside standing groove 8 Ejection, the section of the briquetting 10 is circle, coordinates between the briquetting 10 and standing groove 8 for gap, briquetting 10 is existed Slide, coordinate between the joint shell 4 and front foot pipe 1 for gap, between being between the joint shell 4 and handle tube 3 in standing groove 8 Gap coordinates, and the both ends of the joint shell 4 are fixedly connected with front foot pipe 1 and handle tube 3 respectively by locking pin 13, and joint shell 4 can To enter line slip between two blocks 12 and be fixed by locking pin 13, so as to change the angle of stroller seat support.

Operation principle：When front foot pipe 1 and rear foot tube 2 pull open, the compression leg 5 on joint shell 4 can stick into the opening of cushion socket 7 In groove 11 and briquetting 10 is pushed down, damping is carried out by damping spring 9, moreover, joint shell 4 can be carried out between two blocks 12 Slide and be fixed by locking pin 13, so as to change the angle of stroller seat support.

It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model Within enclosing.

Claims (5)

1. a kind of children trolley folding/unfolding joint with shock-absorbing protecting effect, including front foot pipe (1), rear foot tube (2), handle tube And joint shell (4) (3), it is characterised in that：The diameter of the front foot pipe (1) and handle tube (3) is equal and linear connection, described Joint shell (4) is socketed in the outside of front foot pipe (1) and handle tube (3) junction, the lower surface of the joint shell (4) position on the upper side Compression leg (5) is installed, perpendicular to joint shell (4), the position that the lower surface of the joint shell (4) is on the lower side is provided with the compression leg (5) Shell (6) is connected, the lower surface of the connection shell (6) is opening surface, and opening for connection shell (6) is pierced into the upper end of the rear foot tube (2) Mouth face is rotatably connected on the inwall of connection shell (6), and the upper end of the rear foot tube (2) is provided with damping close to the position of compression leg (5) Seat (7), the upper surface of the cushion socket (7) are provided with section as circular standing groove (8), fix and connect in the bottom of standing groove (8) Damping spring (9) is connect, the upper end of the damping spring (9) is fixedly connected with briquetting (10), and one is provided with the side wall of standing groove (8) Pair open slot (11) to match with compression leg (5), the compression leg (5) through cushion socket (7) and are pressed in by open slot (11) The top of block (10).

A kind of 2. children trolley folding/unfolding joint with shock-absorbing protecting effect according to claim 1, it is characterised in that：Institute State front foot pipe (1) and be provided with a pair of blocks (12) with the monosymmetric of handle tube (3) junction, the spacing of two blocks (12) is 1.5 times of joint shell (4) length.

A kind of 3. children trolley folding/unfolding joint with shock-absorbing protecting effect according to claim 1, it is characterised in that：Institute The width for stating cushion socket (7) side wall upper shed groove (11) is less than the diameter of standing groove (8).

A kind of 4. children trolley folding/unfolding joint with shock-absorbing protecting effect according to claim 1, it is characterised in that：Institute The section for stating briquetting (10) is circle, is coordinated between the briquetting (10) and standing groove (8) for gap.

A kind of 5. children trolley folding/unfolding joint with shock-absorbing protecting effect according to claim 1, it is characterised in that：Institute State and coordinate between joint shell (4) and front foot pipe (1) for gap, coordinate between the joint shell (4) and handle tube (3) for gap, The both ends of the joint shell (4) are fixedly connected with front foot pipe (1) and handle tube (3) respectively by locking pin (13).