CN211494201U

CN211494201U - Universal wheel structure of baby carriage

Info

Publication number: CN211494201U
Application number: CN202020115706.3U
Authority: CN
Inventors: 陈治宇
Original assignee: Fujian Meinkind Baby Products Co ltd
Current assignee: Fujian Meinkind Baby Products Co ltd
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-09-15
Anticipated expiration: 2030-01-19

Abstract

The utility model discloses a stroller universal wheel structure in the technical field of stroller universal wheels, a bearing seat is fixedly assembled at the top of a fixed plate, a rotating shaft is fixedly assembled at the top of the bearing seat, a rotating frame is fixedly installed at the top of the bearing seat, a supporting plate is fixedly assembled at the right side of the bottom of the fixed plate, a rolling shaft is movably assembled at the bottom of the supporting plate, a roller is fixedly assembled at the outer wall of the rolling shaft, side plates are fixedly hinged at the front end and the rear end of the rolling shaft, nuts are arranged at the outer sides of the two groups of side plates, a connecting rod is fixedly connected with the inner side wall at the opposite side of the supporting plate, a transverse plate is fixedly assembled at the top of the side plate, the right side of the transverse plate is fixedly connected with the left end of the connecting rod, damping pillars are fixedly installed, the comfort level of the child sitting on the bicycle is improved, and the practicability is high.

Description

Universal wheel structure of baby carriage

Technical Field

The utility model relates to a children's shallow universal wheel technical field specifically is a children's shallow universal wheel structure.

Background

The perambulator, be a class of children among the toy, including children's bicycle, the children's shallow, baby's walker, four major types of children's tricycle, the age range that is suitable for children is 4 ~ 8 years old, because children are young, so children's self-protection ability and the anti hitting ability of health are poor, the perambulator just must be emphatically considered security and travelling comfort, but current perambulator does not have shock-absorbing function or shock attenuation effect poor, lead to the perambulator to advance when rocking on the road and produce the injury to children, and the comfort level of whole car of sitting is also very poor, on the same time on the road debris probably lead to the wheel card in being rolled into the wheel dead, the car acutely rocks, for this, we provide a universal wheel structure of children's shallow.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a child cart universal wheel structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a universal wheel structure of a child stroller comprises a fixed plate, a bearing seat is fixedly assembled at the top of the fixed plate, the top of the bearing seat is fixedly sleeved and assembled with a rotating shaft, the top of the bearing seat is fixedly provided with a rotating frame, a supporting plate is fixedly assembled at the right side of the bottom of the fixing plate, a rolling shaft is movably assembled at the bottom of the supporting plate, the outer wall of the rolling shaft is fixedly sleeved and assembled with a roller, the front end and the rear end of the rolling shaft are fixedly hinged with side plates, the outer sides of the two groups of side plates are respectively provided with a nut, two groups of nuts are respectively assembled at the front end and the rear end of the rolling shaft in a threaded manner, the inner side walls of the opposite sides of the two groups of supporting plates are fixedly connected with connecting rods, the top parts of the side plates are fixedly assembled with transverse plates, and the right side of the transverse plate is fixedly connected with the left end of the connecting rod, damping pillars are fixedly mounted on the front side and the rear side of the left side of the top of the transverse plate group, and the tops of the damping pillars are fixedly connected with the left side of the bottom of the fixed plate.

Preferably, the shock strut includes the sleeve of fixed connection in the fixed plate bottom, the fixed cover in sleeve lateral wall top is equipped with the baffle, the first spring of sleeve inner chamber top fixedly connected with, first spring bottom fixedly connected with rivet, the equal fixedly connected with second spring in rivet both ends, the left and right sides the second spring respectively with baffle left and right sides fixed connection.

Preferably, fixed plate bottom fixedly connected with fixed block, the fixed block left and right sides all articulates and is equipped with the shock attenuation pole, and is two sets of the shock attenuation pole top is all through damping spring and backup pad inner wall fixed connection, and is two sets of shock attenuation pole bottom is articulated the assembly with controlling two sets of backup pad inside walls respectively.

Preferably, the top of the rotating shaft penetrates through the top of the rotating frame, the top of the rotating shaft is provided with threads, and the top of the rotating frame is provided with a mounting hole.

Preferably, the front end and the rear end of the rolling shaft are respectively provided with a screw matched with the nut.

Preferably, the inner walls of the two groups of support plates on the opposite sides are fixedly provided with mud guards.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of reasonable design, screw thread through mounting hole on the swivel mount and pivot top and the base of perambulator are fixed assembly mutually, it makes the perambulator remove to drive roll axis and gyro wheel rotation through manual shallow, fender through on the backup pad inner wall blocks some debris, prevent that the wheel from being died by the foreign matter card, it changes to rotate the direction that makes the wheel through the bearing frame, play the effect that changes the perambulator advancing direction, play absorbing effect through the shock attenuation pillar, descend and rise the second spring compression and tensile that drive first spring and baffle bottom through the sleeve, can rotate from the inside outside of articulated assembly department through the shock attenuation pole, cooperate damping spring to reach the cushioning effect of horizontal direction simultaneously, the problem that current perambulator wheel does not have shock attenuation or shock attenuation effect is poor has been solved, child's ride comfort level has been improved, the practicality is higher.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the shock strut structure of the present invention;

fig. 3 is a left side view of the overall structure of the present invention.

In the figure: the damping device comprises a fixing plate 1, a bearing seat 2, a rotating shaft 3, a rotating frame 4, a supporting plate 5, a rolling shaft 6, a roller 7, a side plate 8, a nut 9, a connecting rod 10, a transverse plate 11, a damping strut 12, a sleeve 13, a baffle 14, a first spring 15, a rivet 16, a second spring 17, a fixing block 18 and a damping rod 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a universal wheel structure of a child stroller comprises a fixed plate 1, wherein a bearing seat 2 is fixedly assembled at the top of the fixed plate 1, a rotating shaft 3 is fixedly sleeved and assembled at the top of the bearing seat 2, a rotating frame 4 is fixedly installed at the top of the bearing seat 2, a supporting plate 5 is fixedly assembled at the right side of the bottom of the fixed plate 1, a rolling shaft 6 is movably assembled at the bottom of the supporting plate 5, a roller 7 is fixedly sleeved and assembled on the outer wall of the rolling shaft 6, side plates 8 are fixedly hinged at the front end and the rear end of the rolling shaft 6, two groups of nuts 9 are respectively assembled at the front end and the rear end of the rolling shaft 6 in a threaded manner, the inner side walls of the opposite sides of the two groups of supporting plates 5 are fixedly connected with connecting rods 10, the top parts of the side plates 8 are fixedly assembled with transverse plates 11, and the right side of the transverse plate 11 is fixedly connected with the left end of the connecting rod 10, the damping pillars 12 are fixedly mounted on the front side and the rear side of the left side of the top of the transverse plate 11 group, and the tops of the damping pillars 12 are fixedly connected with the left side of the bottom of the fixing plate 1.

Referring to fig. 2, the shock strut 12 includes a sleeve 13 fixedly connected to the bottom of the fixing plate 1, a baffle 14 is fixedly sleeved on the top of the outer side wall of the sleeve 13, a first spring 15 is fixedly connected to the top of the inner cavity of the sleeve 13, a rivet 16 is fixedly connected to the bottom of the first spring 15, second springs 17 are fixedly connected to both ends of the rivet 16, the second springs 17 on the left and right sides are respectively fixedly connected to the left and right sides of the baffle 14, and when the sleeve 13 and the rivet 16 vibrate up and down, a buffering effect is achieved by stretching and compressing the first spring 15 and the second spring 17;

referring to fig. 3, the bottom of the fixing plate 1 is fixedly connected with a fixing block 18, the left side and the right side of the fixing block 18 are hinged with damping rods 19, the tops of the two groups of damping rods 19 are fixedly connected with the inner walls of the supporting plates 5 through damping springs, the bottoms of the two groups of damping rods 19 are hinged with the inner side walls of the left supporting plate 5 and the right supporting plate 5 respectively, when the wheels are impacted in the horizontal direction, the damping rods 19 rotate along the hinged assembly, and meanwhile, the damping springs are matched to play a role in relieving the vibration in the horizontal;

the top of the rotating shaft 3 penetrates through the top of the rotating frame 4, the top of the rotating shaft 3 is provided with threads, the top of the rotating frame 4 is provided with mounting holes, and the universal wheel body and the base of the baby carriage are fixedly connected together through the mounting holes and the threads;

the front end and the rear end of the rolling shaft 6 are both provided with threads matched with the nuts 9;

and the inner wall of the opposite side of the two groups of supporting plates 5 is fixedly provided with a mudguard for preventing foreign matters on a road from being wound into the roller 7 and the rolling shaft 6.

The working principle is as follows: the child stroller is fixedly assembled with a base of the child stroller through a mounting hole in the rotating frame 4 and threads on the top of the rotating shaft 3, the manual stroller drives the rolling shaft 6 and the roller 7 to rotate to enable the child stroller to move, a mudguard on the inner wall of the supporting plate 5 blocks some sundries to prevent the wheel from being blocked by foreign matters, the bearing seat 2 rotates to enable the direction of the roller 7 to change, the traveling direction of the child stroller is changed, the shock absorption effect is achieved through the shock absorption supporting columns 12, when the child stroller integrally vibrates up and down, the sleeves 13 of the shock absorption supporting columns 12 can descend and ascend and simultaneously drive the first springs 15 and the second springs 17 at the bottoms of the baffle plates 14 to compress and stretch, the pressure borne by most of the sleeves 13 is relieved in the process, and when the roller 7 or the supporting plate 5 vibrates under the pressure in the horizontal direction, the shock absorption rods 19 can rotate inwards or outwards from the hinged assembly positions of the rollers, simultaneously, the damping spring is matched to achieve the damping effect in the horizontal direction, the problem that the existing wheel of the baby carriage does not have damping or is poor in damping effect is solved, the condition that the roller is blocked due to foreign matters is avoided, and the comfort level of sitting of the baby carriage is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a universal wheel structure of children's shallow, includes fixed plate (1), its characterized in that: fixed plate (1) top fixed mounting has bearing frame (2), the fixed cover in bearing frame (2) top is furnished with pivot (3), bearing frame (2) top fixed mounting has swivel mount (4), fixed plate (1) bottom right side fixed mounting has backup pad (5), backup pad (5) bottom activity is furnished with roll shaft (6), the fixed cover in roll shaft (6) outer wall is furnished with gyro wheel (7), both ends are all fixed articulated around roll shaft (6) have curb plate (8), two sets of curb plate (8) outside all is provided with nut (9), and two sets of nut (9) spiro union assembly both ends around roll shaft (6) respectively, two sets of the equal fixedly connected with connecting rod (10) of inside wall on the relative one side of backup pad (5), curb plate (8) top fixed mounting has diaphragm (11), and diaphragm (11) right side and connecting rod (10) left end fixed connection, the equal fixed mounting in both sides has shock strut (12) around diaphragm (11) group top left side, just shock strut (12) top and fixed plate (1) bottom left side fixed connection.

2. The stroller universal wheel structure of claim 1, wherein: shock strut (12) are including fixed connection sleeve (13) in fixed plate (1) bottom, sleeve (13) lateral wall top fixed socket joint is equipped with baffle (14), sleeve (13) inner chamber top fixedly connected with first spring (15), first spring (15) bottom fixedly connected with rivet (16), rivet (16) both ends equal fixedly connected with second spring (17), the left and right sides second spring (17) respectively with baffle (14) left and right sides fixed connection.

3. The stroller universal wheel structure of claim 1, wherein: fixed plate (1) bottom fixedly connected with fixed block (18), the fixed block (18) left and right sides all articulates and is equipped with shock attenuation pole (19), and is two sets of shock attenuation pole (19) top all is through damping spring and backup pad (5) inner wall fixed connection, and is two sets of shock attenuation pole (19) bottom is articulated the assembly with controlling two sets of backup pad (5) inside walls respectively.

4. The stroller universal wheel structure of claim 1, wherein: the top of the rotating shaft (3) penetrates through the top of the rotating frame (4), threads are formed in the top of the rotating shaft (3), and mounting holes are formed in the top of the rotating frame (4).

5. The stroller universal wheel structure of claim 1, wherein: both ends all seted up with nut (9) looks adaptation screw thread around rolling shaft (6).

6. The stroller universal wheel structure of claim 1, wherein: and the inner walls of the two groups of the supporting plates (5) on the opposite sides are fixedly provided with mud guards.