CN210203673U - Roller mechanism and brake device - Google Patents
Roller mechanism and brake device Download PDFInfo
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- CN210203673U CN210203673U CN201920583560.2U CN201920583560U CN210203673U CN 210203673 U CN210203673 U CN 210203673U CN 201920583560 U CN201920583560 U CN 201920583560U CN 210203673 U CN210203673 U CN 210203673U
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Abstract
The utility model relates to a braking device, which comprises a pull rod, a roller mechanism, a fixed seat and a brake; the roller mechanism comprises a wheel seat, a bracket component connected with the wheel seat, a brake component and a roller component which are respectively connected with the bracket component; the bracket component comprises a connecting shaft and a bracket pivoted with the connecting shaft; the brake assembly comprises a brake frame pivoted on the bracket, a slide block connected with the brake frame, a brake pull wire connected with the slide block and a reset piece; a clamping block is arranged on the brake frame; the roller component comprises a hub which is pivoted with the bracket; the hub is provided with a clamping groove for accommodating the clamping block so as to fix the hub relative to the brake frame. According to the roller mechanism, the position of the brake frame relative to the support is adjusted, so that the clamping block on the brake frame can be correspondingly clamped in the clamping groove of the wheel hub, the wheel hub is fixed on the support through the brake frame, the brake operation is further realized, the problem that the luggage box slides is prevented, and the safety of surrounding passengers is effectively guaranteed when the luggage box is taken by bus.
Description
Technical Field
The utility model relates to a suitcase technical field especially relates to gyro wheel mechanism and arresting gear.
Background
Luggage, also known as traveling case and trolley case, is a case that is carried when going out for placing articles, which is one type of luggage. Usually, the luggage case is used for placing clothes, personal care products and souvenirs required by the journey.
The bottom of the existing luggage case is provided with the roller, so that the luggage case is more labor-saving and convenient to pull and is popular with people; however, when a bus or a train is taken, the trunk is placed on the ground in the carriage, and in the acceleration and deceleration process of the vehicle, under the action of inertia, the trunk often slides relative to the vehicle, so that the safety of passengers in the vehicle is threatened, and potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a roller mechanism and a brake device for solving the problem of potential safety hazard due to sliding of the trunk.
A roller mechanism comprising:
a wheel seat;
the bracket assembly is connected with the wheel seat; the bracket component comprises a connecting shaft connected with the wheel seat and a bracket pivoted with the connecting shaft; the bracket relatively rotates around the connecting shaft;
the brake component is connected with the bracket component; the brake assembly comprises a brake frame pivoted on the bracket, a slide block connected with the brake frame, a brake pull wire connected with the slide block, and a reset piece arranged between the connecting shaft and the slide block; a clamping block is arranged on the brake frame; and
the roller assembly is connected with the bracket assembly; the roller assembly comprises a hub which is pivoted with the bracket; the hub is provided with a clamping groove used for containing the clamping block, so that the hub is fixed relative to the brake frame.
The roller mechanism enables the clamping block on the brake frame to be correspondingly clamped in the clamping groove of the hub by adjusting the position of the brake frame relative to the bracket, so that the hub is fixed on the bracket through the brake frame, the brake operation is further realized, the problem of sliding of a trunk is prevented, and the safety of surrounding passengers is effectively guaranteed when the passenger rides the bus; the support is ensured to rotate in a full angle in a horizontal plane by arranging the connecting shaft, so that the full angle rotation of the roller assembly is ensured; the brake frame is pulled by arranging the sliding block and the brake pull wire, so that the brake operation for fixing the hub is realized with simple structure and high efficiency.
In one embodiment, the bracket is provided with a guide groove; the sliding blocks are correspondingly arranged in the guide grooves.
In one embodiment, a sliding groove is arranged on the brake frame; the sliding blocks are correspondingly embedded in the sliding grooves, and the arrangement directions of the sliding grooves and the guide grooves are different.
In one embodiment, the sliding block comprises a connecting part connected with the brake pull wire and an extending part connected with the connecting part; the extension part extends from the side surface of the connecting part to the direction far away from the connecting part, and the extension part is correspondingly arranged in the sliding groove in a sliding manner.
In one embodiment, the bracket is correspondingly sleeved on the connecting shaft, and the brake pull wire is sequentially arranged on the connecting shaft and the reset piece in a penetrating manner and then connected with the sliding block.
In one embodiment, the bracket is provided with a bolt; the connecting shaft is provided with a ring groove; the bolt correspondingly penetrates through the support and is correspondingly embedded in the annular groove.
In one embodiment, the roller assembly further comprises a roller correspondingly penetrating the bracket and the hub, a cover plate connected with the hub, and a tire sleeved outside the hub; the cover plate is correspondingly clamped on one side of the hub, which is back to the support.
In one embodiment, two corresponding hubs are arranged; the two hubs are arranged on two sides of the bracket in parallel, and the rolling shafts correspondingly penetrate through the hubs on two sides; the tire is provided with two correspondingly, and the two tires are respectively sleeved on the outer sides of the two wheel hubs correspondingly.
A brake device for mounting on a luggage case, comprising:
a pull rod;
the roller mechanism described above;
the fixed seat and the wheel seat are respectively and correspondingly arranged on the inner side and the outer side of the luggage case, and the fixed seat is used for fixing the roller mechanism on the luggage case; and
the brake is arranged on the pull rod and is correspondingly connected with the roller mechanism; one end of a brake pull wire of the roller mechanism is connected with the brake, the other end of the brake pull wire is connected with the sliding block, and the brake is used for pulling the brake pull wire.
In one embodiment, the brake device further comprises a sleeve; the sleeve is correspondingly sleeved on the outer side of the brake pull wire; one end of the sleeve is provided with a fixing cap, the fixing cap is clamped between the fixing seat and the wheel seat, and the brake pull wire penetrates through the fixing cap.
Drawings
Fig. 1 is a schematic structural view of a brake device according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of the roller mechanism shown in FIG. 1;
FIG. 3 is an exploded view of the roller mechanism of FIG. 2;
FIG. 4 is a schematic cross-sectional view of the roller mechanism of FIG. 2;
FIG. 5 is a schematic structural view of the brake assembly of FIG. 2;
FIG. 6 is a schematic view of a stent structure;
FIG. 7 is a schematic view of a brake frame construction;
FIG. 8 is a schematic view of a slider configuration;
fig. 9 is a schematic view of a hub structure.
The reference numbers in the drawings have the meanings given below:
100-a braking device;
10-a pull rod;
20-roller mechanism, 30-wheel seat, 40-bracket component, 41-connecting shaft, 42-ring groove, 45-bracket, 46-guide groove, 47-bolt, 50-brake component, 51-brake frame, 510-sliding groove, 515-clamping block, 52-sliding block, 520-connecting part, 525-extending part, 53-brake pull wire, 54-resetting component, 60-roller component, 61-wheel hub, 65-clamping groove, 62-rolling shaft, 63-cover plate and 64-tyre;
70-a fixed seat;
80-brake, 85-shifting block, 90-sleeve and 95-fixing cap.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully below. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1 to 9, a braking device 100 according to an embodiment of the present invention includes a pull rod 10, a roller mechanism 20, a fixing base 70 connected to the roller mechanism 20, and a brake 80 mounted on the pull rod 10; the brake device 100 is adapted to be mounted on a trunk (not shown), and the pull rod 10 and the roller mechanism 20 are correspondingly connected and fixed to the outside trunk so as to ensure a braking operation of the trunk.
This pull rod 10 is the setting of straight rod-shaped structure, and pull rod 10 corresponds and extends the setting along vertical direction, and this pull rod 10 corresponds the setting in one side of suitcase, and pull rod 10 is extending structure, guarantees that this pull rod 10 can correspond the shrink and carry out in the suitcase. In this embodiment, the pull rod 10 is a three-section telescopic structure, the three sections of rods are correspondingly nested in sequence, the first section of rod is correspondingly arranged in the luggage case, the second section of rod is correspondingly arranged in the first section of rod in a sliding manner, the third section of rod is correspondingly arranged in the second section of rod in a sliding manner, and the sections of rods are clamped and fixed through an elastic buckle structure, so that the pull rod 10 can be correspondingly pulled out from one side of the luggage case when the luggage case needs to be pulled; when the suitcase does not move, the pull rod 10 can be correspondingly retracted into the suitcase, so that the suitcase can be conveniently placed, and meanwhile, the integral attractiveness is improved.
The roller mechanism 20 is correspondingly arranged at the bottom of the luggage case, and the roller mechanism 20 is used for facilitating the carrying of the luggage case and can perform braking operation when the luggage case does not need to move; the roller mechanism 20 includes a wheel base 30, a bracket 45 assembly 40 connected to the wheel base 30, a brake assembly 50 connected to the bracket 45 assembly 40, and a roller assembly 60 connected to the bracket 45 assembly 40. In the present embodiment, the number of the roller mechanisms 20 is two; the two roller mechanisms 20 are oppositely arranged on two sides of the bottom of the luggage case.
The wheel seat 30 is disposed along a horizontal direction, the top of the wheel seat 30 is correspondingly connected and fixed with the bottom of the luggage case, the wheel seat 30 is correspondingly disposed at the outer side of the luggage case, and the wheel seat 30 is used for connecting the roller mechanism 20 with the external luggage case. It is understood that the number of the wheel seats 30 corresponds to the number of the roller mechanisms 20; in the present embodiment, the wheel seats 30 are provided in two numbers.
The bracket 45 assembly 40 is correspondingly connected with the wheel seat 30, and the bracket 45 assembly 40 is arranged at the bottom of the wheel seat 30; the bracket 45 assembly 40 includes a connecting shaft 41 and a bracket 45 pivotally connected to the connecting shaft 41. The connecting shaft 41 is approximately cylindrical and is arranged along the vertical direction, the connecting shaft 41 is connected with the wheel seat 30, the top end of the connecting shaft 41 is correspondingly embedded on the wheel seat 30, and the connecting shaft 41 and the wheel seat 30 are relatively fixed; in the present embodiment, the connecting shaft 41 is provided with a ring groove 42; the ring groove 42 is formed in a circular groove shape extending from the outside of the connecting shaft 41 to the inside of the connecting shaft 41, and the ring groove 42 is used for connecting the bracket 45.
This support 45 sets up along vertical direction, and this support 45 corresponds the cover and establishes on connecting axle 41, and this support 45 rotates around connecting axle 41 relatively to guarantee that this support 45 can the full angle along the horizontal direction and rotate, and then improve the convenience to the suitcase removal. In this embodiment, the bracket 45 is provided with a latch 47; this bolt 47 is cylindricly and sets up along the horizontal direction, and this support 45 is worn to establish correspondingly by bolt 47 to corresponding the inlaying is established in annular 42, and this bolt 47 is fixed for support 45, and can rotate in annular 42, and then guarantees to block support 45 along vertical direction card and fix on connecting axle 41, and this support 45 can rotate for connecting axle 41 in the horizontal plane.
The brake assembly 50 is correspondingly arranged on the bracket 45 assembly 40; the brake assembly 50 includes a brake frame 51, a slider 52 connected to the brake frame 51, a brake cable 53 connected to the slider 52, and a restoring member 54 disposed between the connecting shaft 41 and the slider 52. The braking frame 51 is vertically arranged, the braking frame 51 is correspondingly pivoted on the bracket 45, and the braking frame 51 rotates relative to the bracket 45 along the vertical direction. In this embodiment, the braking frame 51 is substantially U-shaped, the bracket 45 is correspondingly embedded in the braking frame 51, and the top end of the braking frame 51 is correspondingly pivoted with the bracket 45; a clamping block 515 is arranged on the brake frame 51; the fixture block 515 is cylindrical and is arranged along the horizontal direction, the fixture block 515 extends outwards from the brake frame 51, the fixture block 515 is used for clamping and fixing the roller assembly 60, and the fixture block 515 is more conveniently clamped and fixed with the roller assembly 60 through the cylindrical structure, so that the reliability of the braking operation of the roller mechanism 20 is improved. Furthermore, the latch blocks 515 are oppositely disposed on two sides of the brake frame 51, and the latch blocks 515 on the two sides are respectively extended from the brake frame 51 in a direction away from each other.
The sliding block 52 is correspondingly connected with the brake bracket 51, and the sliding block 52 is correspondingly connected with the bracket 45, the sliding block 52 is used for converting the movement of the brake pull wire 53 into the rotation of the brake bracket 51 relative to the bracket 45; the slider 52 includes a connecting portion 520 and an extending portion 525 connected to the connecting portion 520. The connecting part 520 is arranged along the vertical direction, the connecting part 520 is used for connecting with the brake cable 53, and the connecting part 520 is correspondingly arranged in the bracket 45; the extension portion 525 is cylindrical and extends along the horizontal direction, and the extension portion 525 extends from the side surface of the connecting portion 520 to the direction far away from the connecting portion 520; in this embodiment, the bracket 45 is provided with a guide groove 46; the shape of the guide groove 46 corresponds to that of the slide block 52, the guide groove 46 extends upwards from the bottom of the bracket 45 along the vertical direction in a groove shape, the slide block 52 is correspondingly arranged in the guide groove 46, and the guide groove 46 is used for guiding the movement of the slide block 52; furthermore, the braking frame 51 is provided with a sliding groove 510; this spout 510 is the setting of rectangular form structure, the position that sets up of this spout 510 is relative with the position that sets up of slider 52, slider 52 corresponds to inlay and establishes in spout 510, this extension 525 corresponds to pass and slides after support 45 and establishes in this spout 510, the direction that sets up of this spout 510 is different with the direction that sets up of guide way 46, be provided with certain contained angle between this spout 510 and the guide way 46 promptly, and then when guaranteeing that slider 52 removes along vertical direction, extension 525 can produce the trend of rebound to moving brake frame 51, because the one end of brake frame 51 and support 45 pin joint, extension 525 slides and establishes in rectangular form spout 510 simultaneously, and then guarantees that brake frame 51 rotates along vertical direction relative support 45.
The brake pull wire 53 is extended in a strip shape, the brake pull wire 53 is sequentially connected with the slide block 52 after penetrating through the connecting shaft 41 and the reset piece 54, and the brake pull wire 53 is used for pulling the slide block 52; the reset piece 54 is disposed along the vertical direction, the reset piece 54 is correspondingly disposed between the connecting shaft 41 and the sliding block 52, the sliding block 52 and the connecting shaft 41 are elastically spread by the reset piece 54, and the reset piece 54 is correspondingly disposed in the guide groove 46 of the bracket 45. In this embodiment, the return member 54 is a spring.
The roller assembly 60 is connected with the bracket 45 assembly 40, and the roller assembly 60 is used for being connected with the external ground; the roller assembly 60 includes a hub 61 pivotally connected to the bracket 45, a roller 62 respectively passing through the bracket 45 and the hub 61, a cover plate 63 connected to the hub 61, and a tire 64 sleeved on the outer side of the hub 61. The hub 61 is circular and is arranged along the vertical direction, and the hub 61 rotates along the vertical direction relative to the bracket 45; the hub 61 is provided with a clamping groove 65; the locking grooves 65 are formed in a groove shape and are arranged on one side, close to the bracket 45, of the hub 61, the locking grooves 65 are arranged around the roller 62 at intervals, the locking grooves 65 are arranged corresponding to the locking blocks 515 on the brake frame 51, and the locking grooves 65 are used for accommodating the locking blocks 515, so that the hub 61 is fixed relative to the brake frame 51. In the present embodiment, the number of the hubs 61 corresponding to each roller mechanism 20 is two; the two hubs 61 are juxtaposed on both sides of the bracket 45.
The roller 62 is cylindrical and arranged along the horizontal direction, the roller 62 correspondingly penetrates through the hub 61 and the bracket 45, and the roller 62 is used for fixing the hub 61 on the bracket 45; the cover plate 63 is in a circular straight plate shape and is arranged along the vertical direction, the cover plate 63 is correspondingly arranged on one side of the hub 61, which is back to the bracket 45, the cover plate 63 is clamped on the hub 61, and the cover plate 63 is used for protecting the hub 61 and prolonging the service life of the roller assembly 60; this tire 64 is the setting of ring form along vertical direction, and tire 64 corresponds the cover and establishes the outside at wheel hub 61, and this tire 64 is soft materials for reduce the noise of roller components 60 when the road surface rolls, protect and cushion wheel hub 61 simultaneously, reduce roller mechanism 20 and receive the vibrations impact load from the road surface, in order to improve roller components 60's life. In the present embodiment, the roller 62 of each roller mechanism 20 is correspondingly inserted into the hubs 61 on both sides, and a bearing is provided between the roller 62 and the hub 61; two tires 64 are correspondingly arranged, and the two tires 64 are respectively and correspondingly sleeved on the outer sides of the two hubs 61; the two cover plates 63 are correspondingly arranged, and the two cover plates 63 are oppositely arranged on one side of the two hubs 61 far away from the bracket 45.
The fixed seat 70 is arranged corresponding to the roller mechanism 20, the fixed seat 70 is arranged along the horizontal direction, the fixed seat 70 is connected with the wheel seat 30 of the roller mechanism 20, the fixed seat 70 and the wheel seat 30 are respectively arranged at the inner side and the outer side of the luggage case correspondingly, the fixed seat 70 and the wheel seat 30 are clamped at the two sides of the luggage case, and the fixed seat 70 is used for fixing the roller mechanism 20 on the luggage case; in this embodiment, the number of the fixing seats 70 is two corresponding to the roller mechanisms 20, and the two fixing seats 70 are respectively connected and fixed with the two roller mechanisms 20.
The brake 80 is installed on the pull rod 10, the brake 80 is correspondingly installed on the luggage case, the bottom of the brake 80 is correspondingly connected with the roller mechanism 20, one end of a brake pull wire 53 of the roller mechanism 20 is connected with the brake 80, the other end is connected with the slide block 52, and the brake 80 is used for pulling the brake pull wire 53; in the present embodiment, the stopper 80 is provided with a dial 85; the shifting block 85 is correspondingly connected with the brake pull wire 53, and when the shifting block 85 is moved, the brake pull wire 53 can be correspondingly moved, so that the sliding block 52 is driven to move. Further, the braking device 100 further includes a sleeve 90; the sleeve 90 is arranged in a hollow tubular structure, the sleeve 90 is correspondingly sleeved on the outer side of the brake pull wire 53, the sleeve 90 is used for protecting the brake pull wire 53, and the brake pull wire 53 is arranged in the sleeve 90 in a sliding manner; a fixing cap 95 is provided at one end of the sleeve 90; the fixing cap 95 is clamped between the fixing seat 70 and the wheel seat 30, the fixing cap 95 is used for connecting and fixing the sleeve 90 and the roller mechanism 20, and the brake cable 53 arranged in the sleeve 90 correspondingly penetrates through the fixing cap 95.
The operating principle of the braking device 100 in this embodiment is as follows: when braking is needed, the brake pull wire 53 is pulled through the brake 80, the slide block 52 is pulled under the driving of the brake pull wire 53, the reset part 54 is elastically compressed, the slide block 52 moves upwards along the vertical direction under the guiding action of the guide groove 46, at this time, the extension part 525 is arranged in the sliding groove 510, and then the brake frame 51 is driven to rotate relative to the bracket 45, so that the clamping block 515 on the brake frame 51 is correspondingly clamped in the clamping groove 65, and further the roller assembly 60 cannot rotate relative to each other, so as to ensure braking operation; when braking is not needed, the brake pull wire 53 is not applied with pulling force through the brake 80, the reset part 54 is not applied with compressive force, the reset part 54 is restored to deform, the sliding block 52 is pushed downwards in the restoring process, the brake frame 51 is further rotated downwards, the clamping block 515 is separated from the clamping groove 65, the brake frame 51 does not rotate and limit the hub 61 at the moment, the hub 61 can rotate relative to the bracket 45, the luggage case can be pulled, the braking operation and the brake releasing operation are realized only by correspondingly controlling whether the brake pull wire 53 is pulled, the clamping block 515 and the clamping groove 65 are clamped with each other to realize high braking reliability, and the simple structure and the high efficiency are further ensured to realize the braking operation.
The roller mechanism 20 adjusts the position of the brake frame 51 relative to the bracket 45, so that the clamping block 515 on the brake frame 51 can be correspondingly clamped in the clamping groove 65 of the hub 61, the hub 61 is ensured to be fixed on the bracket 45 through the brake frame 51, the braking operation is further realized, the sliding problem of the trunk is prevented, and the safety of surrounding passengers is effectively ensured when the passenger rides the car; the support 45 is ensured to rotate in a full angle in the horizontal plane by arranging the connecting shaft 41, so that the roller assembly 60 is ensured to rotate in the full angle, and the movement is convenient; the brake frame 51 is pulled by arranging the slide block 52 and the brake pull wire 53, so that the brake operation for fixing the hub 61 is realized with simple structure and high efficiency.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A roller mechanism, comprising:
a wheel seat;
the bracket assembly is connected with the wheel seat; the bracket component comprises a connecting shaft connected with the wheel seat and a bracket pivoted with the connecting shaft; the bracket relatively rotates around the connecting shaft;
the brake component is connected with the bracket component; the brake assembly comprises a brake frame pivoted on the bracket, a slide block connected with the brake frame, a brake pull wire connected with the slide block, and a reset piece arranged between the connecting shaft and the slide block; a clamping block is arranged on the brake frame; and
the roller assembly is connected with the bracket assembly; the roller assembly comprises a hub which is pivoted with the bracket; the hub is provided with a clamping groove used for containing the clamping block, so that the hub is fixed relative to the brake frame.
2. The roller mechanism of claim 1, wherein the bracket is provided with a guide groove; the sliding blocks are correspondingly arranged in the guide grooves.
3. The roller mechanism of claim 2, wherein a sliding slot is provided on the brake frame; the sliding blocks are correspondingly embedded in the sliding grooves, and the arrangement directions of the sliding grooves and the guide grooves are different.
4. The roller mechanism of claim 3, wherein the slider includes a connecting portion connected to the brake cable and an extension portion connected to the connecting portion; the extension part extends from the side surface of the connecting part to the direction far away from the connecting part, and the extension part is correspondingly arranged in the sliding groove in a sliding manner.
5. The roller mechanism according to claim 1, wherein the bracket is correspondingly sleeved on the connecting shaft, and the brake cable is sequentially inserted through the connecting shaft and the reset member and then connected to the slider.
6. The roller mechanism of claim 5 wherein said bracket is provided with a latch; the connecting shaft is provided with a ring groove; the bolt correspondingly penetrates through the support and is correspondingly embedded in the annular groove.
7. The roller mechanism of claim 1, wherein the roller assembly further comprises a roller shaft passing through the bracket and the hub, a cover plate connected to the hub, and a tire fitted around the outer side of the hub; the cover plate is correspondingly clamped on one side of the hub, which is back to the support.
8. The roller mechanism according to claim 7, wherein there are two corresponding hubs; the two hubs are arranged on two sides of the bracket in parallel, and the rolling shafts correspondingly penetrate through the hubs on two sides; the tire is provided with two correspondingly, and the two tires are respectively sleeved on the outer sides of the two wheel hubs correspondingly.
9. A brake device for mounting on a luggage case, comprising:
a pull rod;
a roller mechanism according to any one of claims 1 to 8;
the fixed seat and the wheel seat are respectively and correspondingly arranged on the inner side and the outer side of the luggage case, and the fixed seat is used for fixing the roller mechanism on the luggage case; and
the brake is arranged on the pull rod and is correspondingly connected with the roller mechanism; one end of a brake pull wire of the roller mechanism is connected with the brake, the other end of the brake pull wire is connected with the sliding block, and the brake is used for pulling the brake pull wire.
10. The brake device of claim 9, further comprising a sleeve; the sleeve is correspondingly sleeved on the outer side of the brake pull wire; one end of the sleeve is provided with a fixing cap, the fixing cap is clamped between the fixing seat and the wheel seat, and the brake pull wire penetrates through the fixing cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920583560.2U CN210203673U (en) | 2019-04-25 | 2019-04-25 | Roller mechanism and brake device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920583560.2U CN210203673U (en) | 2019-04-25 | 2019-04-25 | Roller mechanism and brake device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210203673U true CN210203673U (en) | 2020-03-31 |
Family
ID=69924207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920583560.2U Active CN210203673U (en) | 2019-04-25 | 2019-04-25 | Roller mechanism and brake device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210203673U (en) |
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2019
- 2019-04-25 CN CN201920583560.2U patent/CN210203673U/en active Active
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