CN215706904U

CN215706904U - Brake cable adjusting device and three-wheeled vehicle

Info

Publication number: CN215706904U
Application number: CN202122250254.7U
Authority: CN
Inventors: 张瑞德; 张�荣
Original assignee: Tianjin Jinde Electric Bicycle Parts Co ltd
Current assignee: Tianjin Jinde Electric Bicycle Parts Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-02-01
Anticipated expiration: 2031-09-16

Abstract

The utility model relates to the technical field of three-wheeled vehicles, and provides a brake cable adjusting device and a three-wheeled vehicle. The brake cable adjusting device includes: the mounting frame, the guide wheel, the elastic piece and the connecting piece; the guide wheel is rotatably connected to the mounting frame; the first end of the elastic piece is used for being connected with a first brake cable providing driving force and limited on the mounting frame, the second end of the elastic piece is connected with the guide wheel, the elastic piece stretches to drive the guide wheel to move, and the first end and the second end are opposite ends; the connecting piece overlaps in along the circumference of guide pulley, the both ends of connecting piece are used for connecting the second floodgate line and the third floodgate line that are used for regulating and control rear wheel respectively, the guide pulley rotates to be suitable for to drive the both ends removal of connecting piece. According to the brake cable adjusting device provided by the utility model, the guide wheel is matched with the connecting piece, so that the second brake cable and the third brake cable at two ends of the connecting piece are stressed in a balanced manner, the brake wear of the two rear wheels is consistent, the service life of the brake cable adjusting device is equivalent, and the riding safety is also improved.

Description

Brake cable adjusting device and three-wheeled vehicle

Technical Field

The utility model relates to the technical field of swing vehicles, in particular to a brake cable adjusting device and a three-wheeled vehicle.

Background

The tricycle is a common vehicle, can carry people and goods, and has a wide application range. The tricycle has two rear wheels, and drum floodgate is all set to every rear wheel, and at the in-process of riding, the atress that is difficult to guarantee two rear wheels keeps unanimous, and during the brake, the atress of two rear wheels is inconsistent, and brake wear is inconsistent, leads to the life of brake to shorten, leads to the automobile body off tracking easily, influences the security of riding.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides the brake cable adjusting device, the second brake cable and the third brake cable at two ends of the connecting piece can be stressed in a balanced manner through the matching of the guide wheel and the connecting piece, the brake wear of the two rear wheels is consistent, the service life is equivalent, and the riding safety is also improved.

The utility model also provides a three-wheeled vehicle.

An embodiment of the first aspect of the present invention provides a brake cable adjusting device, including:

a mounting frame;

the guide wheel is rotatably connected to the mounting frame;

the first end of the elastic piece is used for being connected with a first brake cable providing driving force and limited on the mounting frame, the second end of the elastic piece is connected with the guide wheel, the elastic piece stretches and retracts to drive the guide wheel to move, and the first end and the second end are opposite ends;

the connecting piece is lapped on the guide wheel along the circumferential direction of the guide wheel, two ends of the connecting piece are respectively used for connecting a second brake cable and a third brake cable which are used for regulating and controlling the rear wheel, and the guide wheel rotates to be suitable for driving two ends of the connecting piece to move.

According to one embodiment of the utility model, the second end is connected with a guide wheel frame, the guide wheel frame clamps the guide wheel, and the guide wheel is connected with the guide wheel frame through a rotating shaft.

According to one embodiment of the utility model, the guide wheel is clamped by two guide wheel frames, the guide wheel frames are fixed by a connecting frame, and the connecting frame is rotationally connected with the rotating shaft.

According to an embodiment of the present invention, the mounting bracket is provided with a waterproof member connected between the mounting bracket and at least one of the first brake cable, the second brake cable, and the third brake cable.

According to one embodiment of the utility model, a cover body is connected to the mounting frame, a mounting cavity is limited between the cover body and the mounting frame, and the elastic member, the guide wheel and the connecting member are located in the mounting cavity.

According to an embodiment of the present invention, the elastic member is one of a spring, an elastic block, and an elastic air bag.

According to one embodiment of the utility model, the guide wheel is a sprocket wheel and the connecting element is a chain adapted to the sprocket wheel.

In an embodiment of the second aspect of the utility model, there is provided a three-wheeled vehicle comprising a frame to which the mounting bracket is mounted and a brake cable adjusting device as described above.

According to one embodiment of the utility model, the frame is configured with a tread portion, the mounting being located below the tread portion.

According to one embodiment of the utility model, the device further comprises a swing adjusting device and a rear wheel supporting device; the swing adjusting device comprises a mounting part, a flexible part and an adjusting part, the mounting part is connected with the frame, and the adjusting part is connected with the rear wheel supporting device; the mounting member is configured with a mounting slot; the flexible piece is in a frustum shape and is arranged in the mounting groove; the adjusting component is suitable for rotating relative to the mounting component, and the adjusting component and the mounting component press the side wall surface of the flexible component during relative rotation of the adjusting component.

One or more technical solutions in the embodiments of the present invention have at least one of the following technical effects:

the brake cable adjusting device comprises an installation frame, a guide wheel, an elastic piece and a connecting piece, wherein a second brake cable and a third brake cable are arranged on two sides of the guide wheel through the connecting piece, and the stress of the second brake cable and the stress of the third brake cable are balanced by utilizing the principle that the stress of two sides of a fixed pulley is the same, so that the stress of the second brake cable and the stress of the third brake cable are the same, the problem that the brake wear is inconsistent due to the deviation of a vehicle body is solved, and the service life of a brake and the service life of a vehicle are prolonged. When the brake cable needs to reset, the acting force on the first brake cable is removed, and the resilience force of the elastic piece drives the second brake cable and the third brake cable to reset.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of an internal structure of a brake cable adjusting device according to an embodiment of the present invention;

fig. 2 is an external structural schematic diagram of a brake cable adjusting device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a wheel frame of the brake cable adjusting device according to the embodiment of the utility model;

FIG. 4 is a schematic structural diagram of a brake cable adjusting device connecting frame according to an embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a brake cable adjusting device installed on a three-wheeled vehicle according to an embodiment of the present invention; wherein, fig. 5 is a schematic top view structure diagram of the three-wheeled vehicle;

FIG. 6 is a schematic structural diagram of a brake cable adjusting device installed on a three-wheeled vehicle according to an embodiment of the present invention; the difference from fig. 5 is that fig. 6 is a schematic side view;

FIG. 7 is a schematic structural diagram of a three-wheeled vehicle provided by an embodiment of the utility model, wherein FIG. 7 shows a partial frame structure of the three-wheeled vehicle;

fig. 8 is a schematic structural view of a three-wheeled vehicle mounted swing adjustment apparatus in an exploded state according to an embodiment of the present invention.

Reference numerals:

1. a first brake cable clip; 2. a first waterproof rubber sleeve; 3. a spring; 4. a guide wheel frame; 5. a connecting frame; 6. a rotating shaft; 7. a guide wheel; 8. a second waterproof rubber sleeve; 9. a third waterproof glue sleeve; 10. a chain; 11. a mounting frame; 12. a cover body; 13. a first brake cable; 14. a second brake cable; 15. a third brake cable; 16. a frame; 17. a damping device; 18. a swing adjustment device; 19. a rear wheel; 20. a rear wheel support device;

1801. a housing; 1802. a mounting member; 1803. a flexible member; 1804. a connecting shaft; 1805. an adjusting member.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the embodiments of the present invention, the orientations or positional relationships are based on the orientations or positional relationships shown in the drawings only for convenience in describing the embodiments of the present invention and for simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate.

In embodiments of the utility model, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature.

Various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Embodiments of the first aspect of the present invention, as shown in fig. 1 to 6, provide a brake cable adjusting device, including: the guide wheel 7 is rotatably connected to the mounting frame 11; the first end of the elastic piece is used for being connected with a first brake cable 13 providing driving force and limited on the mounting frame 11, the second end of the elastic piece is connected with the guide wheel 7, the elastic piece stretches to drive the guide wheel 7 to move, and the first end and the second end are opposite ends; the connecting piece overlaps in guide pulley 7 along the circumference of guide pulley 7, and the both ends of connecting piece are used for connecting the second floodgate line 14 and the third floodgate line 15 that are used for adjusting and control rear wheel 19 respectively, and guide pulley 7 rotates and is suitable for driving the both ends removal of connecting piece.

The first brake cable 13 is a driving brake cable, and a braking force provided by a user is transmitted to the second brake cable 14 and the third brake cable 15 through the first brake cable 13, and the second brake cable 14 and the third brake cable 15 are respectively connected to a braking part of a rear wheel 19. When a user needs to brake, a braking acting force acts on the first brake cable 13, the first brake cable 13 is pulled to move, the first brake cable 13 moves to drive the elastic piece to generate elastic deformation, the guide wheel 7 is pulled to move, the guide wheel 7 moves to drive the second brake cable 14 and the third brake cable 15 on the guide wheel to move, and the second brake cable 14 and the third brake cable 15 move to realize the function of braking. In the moving process of the second brake cable 14 and the third brake cable 15, if the brake resistances of the second brake cable 14 and the third brake cable 15 are different, the connecting member drives the guide wheel 7 to rotate, so that the forces applied to the two sides of the connecting member are the same, and the brake resistances of the second brake cable 14 and the third brake cable 15 are the same. When the brake cable needs to be reset, the acting force on the first brake cable 13 is released, and the resilience force of the elastic piece drives the second brake cable 14 and the third brake cable 15 to reset.

The installation mode of the guide wheel 7 on the installation frame 11 is equivalent to a fixed pulley which is suitable for moving relative to the installation frame 11, the second brake cable 14 and the third brake cable 15 are arranged on two sides of the guide wheel 7 through connecting pieces, the stress of the second brake cable 14 and the stress of the third brake cable 15 are balanced by utilizing the principle that the stress of two sides of the fixed pulley is the same, the stress of the second brake cable 14 and the stress of the third brake cable 15 are the same, the problem that the brake wear is inconsistent due to deviation of a vehicle body is solved, and the service life of a brake and the service life of the vehicle are prolonged.

It should be noted that the brake cable adjusting device is mounted on the frame 16 through the mounting bracket 11.

According to the brake cable adjusting device, the stress of the second brake cable 14 and the stress of the third brake cable 15 are adjusted through the guide wheel 7, so that the stress of the second brake cable 14 and the stress of the third brake cable 15 are consistent, brake abrasion is prevented from being inconsistent due to deviation of a vehicle body, and the service lives of a brake and a vehicle are prolonged.

In some embodiments, referring to fig. 1 to 4, the second end of the elastic member is connected to the wheel frame 4, the wheel frame 4 clamps the guide wheel 7, and the guide wheel 7 is connected to the wheel frame 4 through the rotating shaft 6. The guide wheel 7 is clamped by the guide wheel frame 4, so that the rotation stability of the guide wheel 7 can be ensured, and the guide wheel 7 is prevented from being interfered by an external structure.

In some embodiments, referring to fig. 1-4, two wheel frames 4 clamp the guide wheel 7, the wheel frames 4 are fixed by a connecting frame 5, and the connecting frame 5 is rotatably connected with the rotating shaft 6. The connecting frame 5 is fixedly connected with the two guide wheel frames 4, so that the two guide wheel frames 4 are fixed mutually, the number of parts is small, the structure is simple, and the disassembly and the assembly are convenient.

Wherein, the connecting frame 5 can be screwed and fixed with the guide wheel frame 4 through the thread section above, and has simple structure and convenient disassembly and assembly. The connecting piece, the guide wheel frame 4 and the guide wheel 7 are all connected through the rotating shaft 6 in a penetrating mode, the connecting piece, the guide wheel frame 4 and the rotating shaft 6 are fixedly connected, and the guide wheel 7 is rotatably connected with the rotating shaft 6.

In some embodiments, referring to fig. 1, the mounting bracket 11 is provided with a waterproof member connected between at least one of the first, second, and

third brake lines

13, 14, 15 and the mounting bracket 11, the waterproof member protecting the brake lines.

Wherein, waterproof generally is materials such as rubber, plastics, and waterproof plays the effect of keeping apart the protection between mounting bracket 11 and floodgate line, avoids mounting bracket 11 and floodgate line direct contact and appears wearing and tearing, corruption and the scheduling problem that leaks.

In some embodiments, the waterproof member is inserted into the mounting hole of the mounting frame 11, the installation manner of the waterproof member is simple, the waterproof member is configured with a waterproof hole for the brake cable to pass through, and the installation manner of the brake cable is simple and convenient to operate.

Referring to fig. 1, a first waterproof rubber sleeve 2 is mounted at one end of the mounting frame 11 facing the first brake cable 13, and the first brake cable 13 passes through the first waterproof rubber sleeve 2; the waterproof gum cover of second 8 and third waterproof gum covers 9 are installed towards the one end of second floodgate line 14 and third floodgate line 15 to mounting bracket 11, and the waterproof gum cover of second 8 is passed to second floodgate line 14, and third floodgate line 15 passes third waterproof gum cover 9, simple structure, and can play the effect of protection floodgate line.

In some embodiments, a brake cable clip is disposed between the waterproof member and the brake cable, and the brake cable clip serves to fix the brake cable. Referring to fig. 1, a first brake cable clip 1 is disposed between the first brake cable 13 and the first waterproof rubber sleeve 2, a second brake cable clip is disposed between the second brake cable 14 and the second waterproof rubber sleeve 8, and a third brake cable clip is disposed between the third brake cable 15 and the third waterproof rubber sleeve 9.

In some embodiments, the cover 12 is connected to the mounting frame 11, an installation cavity is limited between the cover 12 and the mounting frame 11, the mounting frame 11 is a closed-loop frame structure, the cover 12 covers the front and rear sides of the frame structure to limit the installation cavity, a relatively closed environment is provided in the installation cavity, dust is prevented from entering the installation cavity, parts in the installation cavity are protected, and the service life of each part is prolonged.

The elastic member, the guide wheel 7, the connecting member, the guide wheel frame 4, the connecting frame 5 and other components in the above embodiments are all arranged in the installation cavity.

In some embodiments, the resilient member is one of a spring 3, a resilient block, and a resilient bladder. As described with reference to fig. 1, a first end of the spring 3 is used to connect the first brake cable 13, and a second end of the spring 3 is connected to the guide wheel 7 through the guide wheel frame 4, so that the guide wheel 7 is driven to return to the original position by the resilient force of the spring 3.

The elastic part has various structural forms, and the guide wheel 7 can be driven to rebound through resilience force, and the specific structural form can be selected according to the requirement.

In some embodiments, the guide wheel 7 is a sprocket wheel and the connecting member is a chain 10 fitted to the sprocket wheel. The transmission precision of the chain wheel and the chain 10 is high, the stress of the second brake cable 14 and the third brake cable 15 is balanced, and the operation stability of the brake cable adjusting device is improved.

Of course, the guide wheel 7 and the connecting piece can also be matched with a belt wheel and a transmission belt, and the structures of the guide wheel 7 and the connecting piece can be selected according to needs.

Embodiments of a second aspect of the present invention, as shown in fig. 1 to 8, provide a three-wheeled vehicle comprising a frame 16 and a brake cable adjusting device in one or more of the embodiments described above, wherein the mounting bracket 11 is mounted to the frame 16. The brake cable adjusting device has all the above-mentioned advantages, and the three-wheeled vehicle has all the above-mentioned advantages, which can be referred to the above specifically, and will not be described herein again.

In some embodiments, the frame 16 is configured with a tread portion, and the mounting bracket 11 is located below the tread portion.

In some embodiments, the three-wheeled vehicle further includes a swing adjustment device 18 and a rear wheel support device 20; the swing adjustment device 18 includes a mounting member 1802, a flexible member 1803, and an adjustment member, the mounting member 1802 being coupled to the frame 16, the adjustment member being coupled to the rear wheel support device 20; the mount 1802 is configured with a mounting slot; the flexible piece 1803 is in a frustum shape, and the flexible piece 1803 is arranged in the mounting groove; the adjustment member is adapted to rotate relative to the mounting member 1802 and during relative rotation of the adjustment member, the adjustment member and the mounting member 1802 press against the side wall surface of the flexible member 1803.

Wherein, the flexible member 1803 of frustum shape, with adjusting part, installed part 1802's motion amplitude is similar, for cylindrical or cuboid structure, the flexible member 1803 of frustum shape is more stable with adjusting part, the installed part 1802 cooperation, can promote adjusting part and installed part 1802's stress stability, makes adjusting part relative rotation process more smooth and easy, change and control, still can promote swing adjusting device 18's life.

The three-wheeled vehicle (such as an electric tricycle, a motor tricycle or a manpower tricycle) of the embodiment includes a frame 16 and a rear wheel supporting device 20 having a function of supporting a rear wheel 19 (when the three-wheeled vehicle is an electric tricycle or a motor tricycle, the rear wheel supporting device 20 can be a rear wheel 19 driving device having a function of driving forward, the frame 16 is supported by a front wheel and has a riding saddle, and a swing adjusting device 18 connects the frame 16 and the rear wheel supporting device 20; that is, the mounting member 1802 is fixedly coupled to the frame 16, the adjustment member is coupled to the rear wheel support 20, the oscillation adjustment apparatus 18 is mountable under the saddle, and the frame 16 is capable of oscillating left and right (which may be referred to as yaw) relative to the rear wheel support 20 via the oscillation adjustment apparatus 18. Wherein the frame 16 swings around the center of rotation of the adjustment member.

During the turning driving process, the center of gravity of a rider is changed, the acting force applied to the swing adjusting device 18 below the saddle is changed, namely the frame 16 swings left and right, at the moment, the adjusting part and the mounting part 1802 move relatively, so that the adjusting part cannot swing along with the swing of the frame 16, the adjusting part and the rear wheel supporting device 20 can be kept stable, at the moment, the flexible part 1803 can roll within the range of 30 degrees left and right, and under the condition that the swing amplitude of the frame 16 is within 60 degrees, the centrifugal force of the vehicle during turning can be reduced, the vehicle can be ridden stably, the turning probability of the vehicle is effectively reduced, the safety factor is improved, the following performance of the rear wheel 19 relative to the road surface is also improved, and the riding and riding are more comfortable.

Wherein, the adjusting part includes connecting axle 1804 and adjusting piece 1805, adjusting piece 1805 pegs graft in mounting member 1802, and the mounting member 1802 limits the mounting groove for installing flexible component 1803 with adjusting piece 1805, and adjusting piece 1805 contacts flexible component 1803, and when mounting member 1802 swings, the swing effort of mounting member 1802 is applied to flexible component 1803, absorbs the swing motion through the deformation of flexible component 1803, makes adjusting piece 1805 can keep stable.

In some embodiments, a damping device 17 is connected to the frame 16, the damping device 17 connects the frame 16 and the swing adjusting device 18, and the damping device 17 damps and cushions the height direction. Damping device 17 connects in swing adjusting device 18's casing 1801, simple to operate, and the shock attenuation is effectual. The shock absorbing means 17 is located under the saddle to make riding more comfortable for a rider sitting on the saddle.

The above embodiments are merely illustrative of the present invention and are not to be construed as limiting the utility model. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.

Claims

1. A brake cable adjusting device, comprising:

a mounting frame;

the guide wheel is rotatably connected to the mounting frame;

2. The brake cable adjusting device of claim 1, wherein the second end is connected to a wheel frame, the wheel frame clamps the guide wheel, and the guide wheel is connected to the wheel frame through a rotating shaft.

3. The brake cable adjusting device according to claim 2, wherein the guide wheel is clamped by two guide wheel frames, the guide wheel frames are fixed by a connecting frame, and the connecting frame is rotatably connected with the rotating shaft.

4. The brake cable adjusting apparatus of claim 1, wherein the mounting bracket is provided with a flashing connected between the mounting bracket and at least one of the first, second, and third brake cables.

5. The brake cable adjusting device of claim 1, wherein a cover is connected to the mounting bracket, a mounting cavity is defined between the cover and the mounting bracket, and the elastic member, the guide wheel and the connecting member are located in the mounting cavity.

6. The brake cable adjusting apparatus of claim 1, wherein the resilient member is one of a spring, a resilient block, and a resilient bladder.

7. The brake cable adjusting apparatus of claim 1, wherein the guide wheel is a sprocket and the connecting member is a chain adapted to the sprocket.

8. A three-wheeled vehicle comprising a frame and the brake cable adjusting device of any one of claims 1 to 7, said mounting bracket being mounted to said frame.

9. The three-wheeled vehicle of claim 8, wherein the frame is configured with a step portion, the mounting bracket being located below the step portion.

10. The three-wheeled vehicle of claim 8, further comprising a swing adjustment device and a rear wheel support device; the swing adjusting device comprises a mounting part, a flexible part and an adjusting part, the mounting part is connected with the frame, and the adjusting part is connected with the rear wheel supporting device; the mounting member is configured with a mounting slot; the flexible piece is in a frustum shape and is arranged in the mounting groove; the adjusting component is suitable for rotating relative to the mounting component, and the adjusting component and the mounting component press the side wall surface of the flexible component during relative rotation of the adjusting component.