CN213138390U

CN213138390U - Novel universal wheel braking device for luggage

Info

Publication number: CN213138390U
Application number: CN202022257184.3U
Authority: CN
Inventors: 何谦; 汤云龙
Original assignee: Hunan Normal University
Current assignee: Hunan Normal University
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-05-07
Anticipated expiration: 2030-10-12

Abstract

The utility model discloses a novel universal wheel arresting gear for case and bag relates to universal wheel arresting gear technical field, which comprises a bracket, the backing plate is installed at the top of support, and backing plate top-down runs through there is the connecting rod, the top right side of backing plate is fixed with the locking post, the footboard is installed on the top of connecting rod, and the top of footboard is provided with the slipmat, the bottom welding of backing plate has the fixed block, and the inside of fixed block is provided with the guiding hole, the right side of fixed block articulates there is first connecting rod, and the end of first connecting rod installs first hinge, first connecting rod has the third connecting rod through first hinged joint. The utility model discloses in, be provided with two sets of recesses in the inboard of universal wheel, the right side below of second connecting rod is provided with the lug, and the rotation of second connecting rod and third connecting rod drives the lug and moves in opposite directions, pins the universal wheel through lug and recess cooperation, and this fixed effect is better, and the universal wheel can not be out of order because of the dust accumulation when the braking.

Description

Novel universal wheel braking device for luggage

Technical Field

The utility model relates to an universal wheel arresting gear technical field especially relates to a novel case and bag use universal wheel arresting gear.

Background

Along with the development of science and technology and the progress of times, people prefer to go to a distant place more and travel, and the travel can not avoid carrying luggage, and what we carried luggage used is the suitcase most, and the universal wheel is installed to the bottom of suitcase, can be that the suitcase is more convenient for remove like this, and when going downhill path, careless a little, the suitcase probably slides down the high slope, causes serious damage, provides a neotype universal wheel arresting gear for case and bag for this reason.

The existing universal wheel braking device is tightly attached to a universal wheel through a brake pad, when the wheel rolls on the ground, dust can be stained, the dust accumulation is excessive, the fixing process is influenced, and when the wheel needs to be braked temporarily, the universal wheel cannot be automatically unlocked after a pedal is stepped on.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem who solves overcomes current defect, provides a novel universal wheel braking for case and bag device, the utility model discloses simple structure, convenient to use can effectually avoid because the dust leads to the universal wheel braking failure, can relieve the locking by oneself after short duration braking, can effectively solve the problem in the background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

a novel universal wheel braking device for a luggage comprises a support, wherein a base plate is installed at the top of the support, a connecting rod penetrates through the base plate from top to bottom, a locking column is fixed on the right side of the top of the base plate, a pedal is installed at the top end of the connecting rod, an anti-slip pad is arranged at the top of the pedal, a fixed block is welded at the bottom end of the base plate, a guide hole is formed in the fixed block, a first connecting rod is hinged to the right side of the fixed block, a first hinge is installed at the tail end of the first connecting rod, the first connecting rod is connected with a third connecting rod through the first hinge, a convex block is installed below the right side of the third connecting rod, a fourth connecting rod is hinged to the left side of the fixed block, a third hinge is installed at the tail end of the fourth connecting rod, the fourth connecting rod is connected with a second connecting rod through the third, install the spring between fixed block and the footboard, the ring is installed to the bottom of support, and the center department swing joint of ring has the shaft, the shaft has run through the universal wheel from left to right, and the outside both sides of universal wheel are provided with the recess, the fourth hinge is installed on the bottom surface right side of footboard, and the external connection of fourth hinge has locking hook.

Furthermore, the connecting rod is in sliding connection with the guide hole, and the diameter of the connecting rod is smaller than the inner diameter of the guide hole.

Furthermore, an elastic structure is formed between the pedal and the fixing block through a spring, and a rotating structure is formed between the pedal and the locking hook through a fourth hinge.

Furthermore, the non-slip mat is distributed in the center of the top surface of the pedal in a rectangular shape, and a rotating structure is formed between the second connecting rod and the third connecting rod through a second hinge.

Furthermore, the inner wall of the circular ring is tightly attached to the outer wall of the wheel shaft, and the circular ring is symmetrical about the central axis of the universal wheel.

Furthermore, the width of the bump is smaller than that of the groove, and two groups of grooves are symmetrically distributed on the transverse axis of the universal wheel.

The utility model discloses a technological effect and advantage:

1. the utility model discloses in, be provided with two sets of recesses in the inboard of universal wheel, the right side below of second connecting rod is provided with the lug, and the rotation of second connecting rod and third connecting rod drives the lug and moves in opposite directions, pins the universal wheel through lug and recess cooperation, and this fixed effect is better, and the universal wheel can not be out of order because of the dust accumulation when the braking.

2. The utility model discloses in, be provided with footboard, connecting rod and spring, when the universal wheel need short braking, trample the footboard and make the universal wheel braking after, remove the external force of effect on the footboard after, the normal position can be got back to under the effect of spring elasticity to footboard and connecting rod, and then drives second hinge rebound, makes the lug break away from the recess, and this lift can relieve the locking of universal wheel by oneself, is applicable to short braking.

3. The utility model discloses in, be provided with locking hook, locking post and fourth hinge, when the universal wheel needs long-time braking, step on the footboard downwards, the footboard passes through the connecting rod and drives the second hinge and move down, makes second connecting rod and third connecting rod rotate to the inboard, and the lug locks universal lock with the recess cooperation, rotates locking hook round the fourth hinge, makes locking hook and locking post cooperation, fixes the footboard, reaches the effect of long-time braking.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

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

FIG. 2 is a schematic view of the top surface of the middle pedal of the present invention;

fig. 3 is a schematic view of the bottom structure of the middle pedal of the present invention.

Reference numbers in the figures: 1. a locking post; 2. a first link; 3. a first hinge; 4. a support; 5. a second link; 6. a circular ring; 7. a universal wheel; 8. a groove; 9. a wheel axle; 10. a bump; 11. a third link; 12. a second hinge; 13. a third hinge; 14. a fourth link; 15. a fixed block; 16. A guide hole; 17. a connecting rod; 18. a spring; 19. a pedal; 20. a non-slip mat; 21. a fourth hinge; 22. locking the hook; 23. a backing plate.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

As shown in fig. 1-3, a novel universal wheel brake device for a luggage comprises a locking column 1, a first connecting rod 2, a first hinge 3, a bracket 4, a second connecting rod 5, a ring 6, a universal wheel 7, a groove 8, a wheel shaft 9, a bump 10, a third connecting rod 11, a second hinge 12, a third hinge 13, a fourth connecting rod 14, a fixing block 15, a guide hole 16, a connecting rod 17, a spring 18, a pedal 19, an anti-skid pad 20, a fourth hinge 21, a locking hook 22 and a backing plate 23, wherein the backing plate 23 is installed at the top of the bracket 4, the connecting rod 17 penetrates through the backing plate 23 from top to bottom, the locking column 1 is fixed at the right side of the top of the backing plate 23, the pedal 19 is installed at the top of the connecting rod 17, the anti-skid pad 20 is arranged at the top of the pedal 19, the fixing block 15 is welded at the bottom end of the backing plate 23, the guide hole 16 is arranged inside the, the tail end of the first connecting rod 2 is provided with a first hinge 3, the first connecting rod 2 is connected with a third connecting rod 11 through the first hinge 3, a bump 10 is arranged below the right side of the third connecting rod 11, the left side of a fixing block 15 is hinged with a fourth connecting rod 14, the tail end of the fourth connecting rod 14 is provided with a third hinge 13, the fourth connecting rod 14 is connected with a second connecting rod 5 through the third hinge 13, a second hinge 12 is arranged at the intersection of the second connecting rod 5 and the third connecting rod 11, a spring 18 is arranged between the fixing block 15 and a pedal 19, the bottom of the support 4 is provided with a ring 6, the center of the ring 6 is movably connected with a wheel shaft 9, the wheel shaft 9 penetrates through a universal wheel 7 from left to right, grooves 8 are arranged on two outer sides of the universal wheel 7, a fourth hinge 21 is arranged on the right side of the bottom surface of the pedal 19, and a locking hook 22.

As shown in fig. 1, in the embodiment, the connecting rod 17 is slidably connected with the guide hole 16, and the diameter of the connecting rod 17 is smaller than the inner diameter of the guide hole 16, the sliding connection ensures that the connecting rod 17 can move up and down under the constraint of the guide hole 16, and ensures that the connecting rod 17 is not inclined in the movement process, the diameter of the connecting rod 17 is smaller than the inner diameter of the guide hole 16, and ensures that the connecting rod 17 can move on the inner wall of the guide hole 16, the inner wall of the circular ring 6 is tightly attached to the outer wall of the wheel shaft 9, and the circular ring 6 is symmetrical about the central axis of the universal wheel 7, the inner wall of the circular ring 6 is tightly attached to the outer wall of the wheel shaft 9, so as to ensure the stability in the movement process, the width of the protrusion 10 is smaller than the width of the groove 8, and the grooves 8 are symmetrically distributed about the transverse axis, two groups of grooves 8 are symmetrically distributed on the transverse axis of the universal wheel 7, so that the universal wheel 7 can be quickly locked in a short time.

As shown in fig. 2 and 3, the non-slip mat 20 of the present embodiment is distributed in the center of the top surface of the pedal 19 in a rectangular shape, the second connecting rod 5 and the third connecting rod 11 form a rotating structure through the second hinge 12, the non-slip mat 20 is distributed in the center of the top surface of the pedal 19 in a rectangular shape, so as to ensure that the non-slip mat cannot be stepped on during use, and the rotating structure ensures that the second connecting rod 5 can rotate around the second hinge 12, so that the second connecting rod 5 and the third connecting rod 11 are matched to lock the universal wheel 7.

As shown in fig. 1 and 3, the pedal 19 and the fixed block 15 of the present embodiment form an elastic structure through the spring 18, and the pedal 19 and the locking hook 22 form a rotating structure through the fourth hinge 21, so that the elastic structure ensures that the pedal 19 and the connecting rod 17 can return to the original position under the elastic force of the spring 18 after the external force acting on the pedal 19 is removed.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

The utility model discloses the theory of operation: when the universal wheel is used, the wheel shaft 9 and the universal wheel 7 are arranged between the circular rings 6, under the normal condition, under the action of the elastic force of the spring 18, the second connecting rod 5 and the third connecting rod 11 are in an open state, when braking is needed, only the pedal 19 needs to be stepped downwards, the pedal 19 drives the second hinge 12 to move downwards through the connecting rod 17, at the moment, the first hinge 3 and the third hinge 13 move towards each other to drive the second connecting rod 5 and the third connecting rod 11 to rotate inwards, the lug 10 positioned below the right side of the third connecting rod 11 is clamped in the groove 8 to realize locking of the universal wheel 7, the foot is released, the pedal 19 and the connecting rod 17 can drive the second hinge 12 to move upwards under the action of the elastic force of the spring 18, the second connecting rod 5 and the third connecting rod 11 move outwards, the lug 10 is separated from the groove 8 to realize releasing of the universal wheel 7, when the universal wheel 7 needs to be locked for a long time, only, make locking hook 22 and locking post 1 cooperation, fix footboard 19, and then realize the effect of long-time locking universal wheel 7, when the lock of universal wheel 7 needs to be relieved, only need rotate locking hook 22, make locking hook 22 break away from locking post 1, under the effect of spring 18 elasticity, lug 10 can separate with recess 8, and everything gets back to initial condition.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. The utility model provides a novel universal wheel arresting gear for case and bag, includes support (4), its characterized in that: the top of the support (4) is provided with a backing plate (23), the backing plate (23) penetrates through a connecting rod (17) from top to bottom, the right side of the top of the backing plate (23) is fixed with a locking column (1), the top end of the connecting rod (17) is provided with a pedal (19), the top of the pedal (19) is provided with an anti-slip pad (20), the bottom end of the backing plate (23) is welded with a fixing block (15), a guide hole (16) is formed in the fixing block (15), the right side of the fixing block (15) is hinged with a first connecting rod (2), the tail end of the first connecting rod (2) is provided with a first hinge (3), the first connecting rod (2) is connected with a third connecting rod (11) through the first hinge (3), a lug (10) is installed below the right side of the third connecting rod (11), the left side of the fixing block (15), and the end of the fourth connecting rod (14) is provided with a third hinge (13), the fourth connecting rod (14) is connected with a second connecting rod (5) through the third hinge (13), the second hinge (12) is arranged at the intersection of the second connecting rod (5) and the third connecting rod (11), a spring (18) is arranged between the fixed block (15) and the pedal (19), the bottom of the support (4) is provided with a ring (6), the center of the ring (6) is movably connected with a wheel shaft (9), the wheel shaft (9) penetrates through a universal wheel (7) from left to right, the two outer sides of the universal wheel (7) are provided with grooves (8), the right side of the bottom surface of the pedal (19) is provided with a fourth hinge (21), and the outer part of the fourth hinge (21) is connected with a locking hook (22).

2. A novel caster braking device for suitcases and bags according to claim 1, wherein: the connecting rod (17) is in sliding connection with the guide hole (16), and the diameter of the connecting rod (17) is smaller than the inner diameter of the guide hole (16).

3. A novel caster braking device for suitcases and bags according to claim 1, wherein: an elastic structure is formed between the pedal (19) and the fixed block (15) through a spring (18), and a rotating structure is formed between the pedal (19) and the locking hook (22) through a fourth hinge (21).

4. A novel caster braking device for suitcases and bags according to claim 1, wherein: the anti-skid pad (20) is distributed in the center of the top surface of the pedal (19) in a rectangular shape, and a rotating structure is formed between the second connecting rod (5) and the third connecting rod (11) through a second hinge (12).

5. A novel caster braking device for suitcases and bags according to claim 1, wherein: the inner wall of the circular ring (6) is tightly attached to the outer wall of the wheel shaft (9), and the circular ring (6) is symmetrical about the central axis of the universal wheel (7).

6. A novel caster braking device for suitcases and bags according to claim 1, wherein: the width of the convex block (10) is smaller than that of the groove (8), and two groups of grooves (8) are symmetrically distributed on the transverse axis of the universal wheel (7).