WO2017214849A1

WO2017214849A1 - Angle-adjustable backrest device for motorcyclist

Info

Publication number: WO2017214849A1
Application number: PCT/CN2016/085682
Authority: WO
Inventors: 周新; 杨鳌
Original assignee: 周新
Priority date: 2016-06-12
Filing date: 2016-06-14
Publication date: 2017-12-21
Also published as: CN106005124A

Abstract

An angle-adjustable backrest device for a motorcyclist comprises: a backrest assembly (1); an angle-adjusting device (2); and a side mounting plate (3). The backrest assembly (1) comprises a cushion and a mounting post. The angle-adjusting device (2) and the side mounting plate (3) are attached to a lower end of the mounting post. The angle-adjusting device comprises an adjustment handwheel (a), a spring (b), and a slip-prevention screw nut (e). The adjustment handwheel comprises a handwheel portion and a screw rod extending from the handwheel portion. The screw rod engages the slip-prevention screw nut after sequentially passing through the side mounting plate (3), the spring (b) and a through hole of the mounting post. The angle-adjusting device is provided with an adjustment plate (c) between the slip-prevention screw nut and the mounting post. An inner side surface of the adjustment plate is provided with a conical toothed face. One side of the mounting post is provided with a conical tooth portion fitting the conical toothed face. The conical toothed face and the conical tooth portion mesh with each other. The invention has a simple structure, can be operated, assembled and disassembled conveniently, enables a rider to quickly adjust an angle of a backrest at any time, and is more comfortable and safer.

Description

Adjustable angle motorcycle occupant backrest device

Technical field

The invention relates to the technical field of motorcycle occupant backrest devices, in particular to an adjustable angle motorcycle occupant backrest device.

Background technique

The current motorcycle occupant backrest device cannot adjust the angle. During travel, the traditional occupant backrest device that does not adjust the backrest angle does not provide the occupants with better comfort and safety.

To this end, the designer of the present invention, in view of the above-mentioned deficiencies, has studied and designed a motorcycle occupant backrest device with an adjustable angle to overcome the above drawbacks by concentrating on research and design, integrating the experience and achievements of the relevant industry for many years.

Summary of the invention

The object of the present invention is to provide an adjustable angle motorcycle occupant backrest device, which has a simple structure and convenient operation and disassembly, so that an occupant can adjust the backrest angle at any time and has better comfort and safety.

In order to solve the above problems, the present invention discloses an adjustable angle motorcycle occupant back device, including a backrest assembly, an angle adjusting device and a side mounting plate, characterized in that:

The backrest assembly includes a cushion and a mounting post, and the lower ends of the cushions respectively extend downwardly from the mounting pillars, and the lower ends of the two mounting pillars are mounted with the angle adjusting device and the side mounting panels.

Wherein: the angle adjusting device comprises at least an adjusting hand wheel, a spring and a slip nut, The adjusting hand wheel includes a hand wheel portion and a screw extending from the hand wheel portion. The screw thread penetrates through the side mounting plate, the spring, and the through hole of the mounting post to engage the slip nut, and the angle adjusting device adjusts the hand wheel Two side mounting plates are mounted to the backrest assembly and the angle of the opposite side mounting plates of the backrest assembly is adjusted by adjusting the hand wheel.

Wherein: the inner side of the slip nut is further provided with a gasket to improve wear resistance and service life.

Wherein: the angle adjusting device is provided with an adjusting plate between the slip nut and the mounting post, the inner side of the adjusting plate is provided with a tapered gear surface, and one side of the mounting post is provided with the tapered gear surface The mating tapered tooth portion, the tapered gear surface and the tapered tooth portion form a conical tooth, and the adjusting plate and the mounting post are formed under the cooperation of the elastic force of the spring and the adjustment of the hand wheel and the slip nut The precise engagement between the two can directly press the rotary adjustment hand wheel when the angle adjustment is required. After the adjustment plate overcomes the spring force of the spring, the tapered tooth surface is disengaged from the tapered tooth portion, and after the adjustment plate is driven to rotate relative to the installation pillar, When the required angle is reached, the adjusting hand wheel is released, and under the action of the spring, the tapered tooth surface re-engages with the tapered tooth portion to form a close fit with each other.

Wherein: the upper end of the side mounting plate is provided with a threaded spacer, a middle portion of the threaded spacer is provided with a hole through which a screw for adjusting the hand wheel passes, and a lower end of the mounting post is provided with a ring mounting portion, a middle portion of the ring mounting portion is provided with a through hole through which the screw passes, and the threaded spacer has a ring for receiving the ring mounting portion, and an upper portion of the ring is provided with a positioning notch, and the positioning notch accommodates a circle Mounting post above the ring mounting.

Wherein: the width of the positioning notch is greater than the width of the corresponding mounting post, so that the angle adjustment within a certain range of the backrest component can be performed within the notch.

Wherein: the two side mounting plates are provided with a card slot and a locking device to achieve connection and locking with the motorcycle frame.

Wherein: a rear shelf is further provided, and a shelf mounting portion is disposed on an upper end side of the two side mounting plates, and a fixing plate fixed to the shelf mounting portion is disposed on both sides of the rear shelf.

As can be seen from the above structure, the adjustable angle motorcycle occupant back device of the present invention has the following effects:

1. Simple structure and convenient installation, suitable for all kinds of motorcycle models.

2. Adjust the angle of the backrest part of the occupant by adjusting the hand wheel and adjusting plate in the occupant backrest angle adjusting device by the occupant backrest angle adjusting device. The adjustment angle range of each step is 5-6°, and the total angle adjustment range is 0- 30°, after adjusting to a suitable angle, lock with the locking cover and tighten the slip nut.

3. The angle of the backrest part of the occupant can be adjusted simply and quickly by the occupant backrest angle adjusting device to improve the safety and comfort of the occupant.

The details of the present invention can be obtained by the description and the drawings described below.

DRAWINGS

1 is a schematic view showing the overall structure of an adjustable angle motorcycle occupant back device of the present invention;

Figure 2 is a schematic exploded view of the structure of the present invention;

Figure 3 is an assembly view of the angle adjusting device;

3A is a partially enlarged exploded view of the angle adjusting device;

Figure 3B is a partially enlarged schematic view of the angle adjusting device;

Figure 4 is a rear elevational view of the present invention;

Reference mark:

1-backrest assembly; 2-angle adjustment mechanism;

3-side mounting plate; 4- rear shelf;

A-adjust hand wheel; b-spring;

C-regulating plate; d-shield;

E-slip nut.

detailed description

The technical solutions of the present invention will be clearly and completely described in the following with reference to the accompanying drawings. It is obvious that the described embodiments are a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

Referring to Figures 1 through 4, an adjustable angle motorcycle occupant back device of the present invention is shown.

The adjustable angle motorcycle occupant backrest device mainly comprises: a backrest assembly 1, an angle adjusting device 2 and a side mounting plate 3.

Wherein, the backrest assembly 1 can include a cushion and a mounting post. Referring to Figures 1 and 2, the cushion has a substantially square structure, and may also have a suitable shape such as a circular shape or an elliptical shape, and one side surface thereof is a soft elastic surface. To improve ride comfort, the lower ends of the cushions respectively extend downwardly from the mounting pillars, and the lower ends of the two mounting pillars can be mounted with the angle adjusting device and the side mounting plates. Optionally, the cushion and the mounting post can be fixed by screws Together form the backrest assembly.

Referring to Figures 3, 3A and 3B, the angle adjusting device 2 comprises at least an adjustment hand wheel a, a spring b and a slip nut e, the adjustment hand wheel a comprising a disc-shaped hand wheel portion and extending from the hand wheel portion a screw, the screw penetrates through the side mounting plate 3, the spring b, and the through hole of the mounting post, and then engages with the slip nut e. The inner side of the slip nut e can also be provided with a gasket d to improve wear resistance. Performance and service life, whereby the angle adjusting device 2 can mount the two side mounting plates 3 to the backrest assembly 1 by adjusting the hand wheel a, and adjust the opposite side mounting plate 3 of the backrest assembly 1 by adjusting the hand wheel a Angle, thereby adjusting the riding angle of the backrest assembly 1, after adjusting the hand wheel a to adjust to a suitable angle, tightening the slip nut, the entire adjustment process is simple and quick.

Wherein, in order to achieve the accuracy and convenience of the angle adjustment, the angle adjusting device 2 is provided with an adjusting plate c between the slip nut e and the mounting post, and the inner side of the adjusting plate c is provided with a tapered gear surface, One side of the mounting post is provided with a tapered tooth portion that cooperates with the tapered gear surface, and the tapered gear surface can be engaged with the tapered tooth portion to form a conical tooth, and the elastic force of the spring b is pressed and adjusted The combination of the wheel a and the slip nut e forms an accurate engagement between the adjusting plate c and the mounting post. When the angle adjustment is required, the rotating adjustment hand wheel a can be directly pressed, and the adjusting plate c overcomes the elastic force of the spring and then the cone The tooth-shaped surface is disengaged from the tapered tooth portion, and after the driving adjustment plate c is rotated relative to the mounting post, the adjustment hand wheel a can be released at a desired angle. Under the action of the spring b, the tapered tooth surface is re-engaged. The tapered teeth form a close fit with each other. This adjustment method is simpler and faster, and the applicability is better.

Alternatively, in operation, the adjustment of the angle can also be performed after the threading of the adjusting hand wheel a and the slip nut e is unscrewed, and such adjustment is also fully achievable.

Wherein, the upper end of the side mounting plate 3 may be provided with a threaded spacer, a middle portion of the threaded spacer is provided with a hole for adjusting the screw of the hand wheel a, and a lower end of the mounting post is provided with a ring mounting portion. a middle portion of the ring mounting portion is provided with a through hole through which the screw passes, and the threaded spacer has a ring for receiving the ring mounting portion, and an upper portion of the ring is provided with a positioning notch, the positioning The notch can receive the mounting post above the ring mounting portion to form a positioning between the threaded spacer and the ring mounting portion, thereby achieving positioning of the side mounting plate 3 relative to the backrest assembly 1, and in order to achieve angular restraint, The width of the positioning notch is greater than the width of the corresponding mounting post so that the angular adjustment of the backrest assembly 1 within a certain range can be performed within the notch.

Optionally, the total adjustment angle may be -30 degrees to +30 degrees, and the left and right sides of the backrest assembly 1 may be adjusted 30 degrees forward or backward. Preferably, the adjustment angle may be limited to -15 degrees. To +15 degrees.

Wherein, the adjustment hand wheel and the locking cover in the occupant backrest angle adjusting device are used to adjust the angle of the occupant's backrest portion, the adjustment angle range of each step is 5-6°, and the total angle adjustment range is 0-30°, which is adjusted to the appropriate After the angle, lock with the locking cover and tighten the slip nut.

Optionally, the two side mounting plates 3 are provided with a card slot and a locking device to realize connection and locking with various types of motorcycle frames, thereby greatly expanding the scope of application of the present invention.

There may be a rear shelf 4, and a shelf mounting portion is disposed on an upper end side of the two side mounting plates 3, and a fixing plate fixed to the shelf mounting portion by screws or bolts is disposed on both sides of the rear shelf 4. Thus, the rear shelf 4 can be assembled to the motorcycle occupant backrest device, combined into one piece, and more baggage can be loaded during the trip. When not in use, you can Very convenient to remove by screws.

Wherein, the spring b is a coil spring.

In summary, the adjustable angle motorcycle occupant backrest device provided by the embodiment can improve the comfort and the installation type of the motorcycle occupant when riding the motorcycle, and improve the utility of the motorcycle travel through the detachable rear shelf. Sex.

It is apparent that the above description and description are merely exemplary and not intended to limit the disclosure, application, or use of the invention. Although the embodiments have been described in the embodiments and described in the drawings, the present invention is not limited to the specific examples of the presently described preferred embodiments of The scope of the present invention is intended to include any embodiments that fall within the foregoing description and the appended claims.

Claims

An adjustable angle motorcycle occupant back device, comprising a backrest assembly, an angle adjusting device and a side mounting plate, characterized in that:

The backrest assembly includes a cushion and a mounting post, and the lower ends of the cushions respectively extend downwardly from the mounting pillars, and the lower ends of the two mounting pillars are mounted with the angle adjusting device and the side mounting panels.
A motorcycle occupant backrest device according to claim 1, wherein said angle adjusting means comprises at least an adjustment hand wheel, a spring and a slip nut, said adjustment hand wheel comprising a hand wheel portion and extending from the hand wheel portion a screw that sequentially penetrates through the side mounting plate, the spring, and the through hole of the mounting post to engage the slip nut, and the angle adjusting device mounts the two side mounting plates to the backrest assembly by adjusting the hand wheel, and adjusts the hand wheel Adjust the angle of the opposite side mounting plate of the backrest assembly.
The motorcycle occupant backrest device according to claim 2, wherein the inner side of the slip nut is further provided with a gasket to improve wear resistance and service life.
The motorcycle occupant backrest device according to claim 2, wherein the angle adjusting device is provided with an adjusting plate between the slip nut and the mounting post, and the inner side of the adjusting plate is provided with a tapered gear surface. One side of the mounting post is provided with a tapered tooth portion that cooperates with the tapered gear surface, and the tapered gear surface and the tapered tooth portion form a conical tooth to mesh with each other, and the elastic force of the spring is pressed and adjusted The wheel and the slip nut cooperate to form an accurate engagement between the adjusting plate and the mounting post. When the angle adjustment is required, the rotating adjustment hand wheel can be directly pressed, and the tapered tooth surface of the adjusting plate overcomes the spring force of the spring. When the tapered tooth portion is disengaged, the driving adjustment plate is rotated relative to the mounting post, and the required angle is reached, that is, the adjusting hand wheel is loosened. Under the action of the spring, the tapered toothed surface is re-engaged with the tapered tooth portion to form a close fit with each other. .
A motorcycle occupant backrest device according to any one of claims 2 to 4, wherein the upper end of the side mounting plate is provided with a threaded spacer, and the middle portion of the threaded spacer is provided with a screw for adjusting the hand wheel. a through hole, a lower end of the mounting post is provided with a ring mounting portion, a middle portion of the ring mounting portion is provided with a through hole through which a screw passes, and the threaded spacer has a ring mounting portion The upper ring of the ring is provided with a positioning notch, and the positioning notch accommodates the mounting post above the ring mounting portion.
The motorcycle occupant backrest device according to claim 5, wherein the width of the positioning notch is greater than the width of the corresponding mounting post, so that the angle adjustment within a certain range of the backrest assembly can be performed within the notch.
The motorcycle occupant backrest device according to any one of claims 1 to 4, wherein the two side mounting plates are provided with a card slot and a locking device for connecting and locking with the motorcycle frame.
The motorcycle occupant backrest device according to any one of claims 1 to 4, further comprising: a rear shelf, wherein the upper end side of the two side mounting plates is provided with a shelf mounting portion, and two of the rear shelves The side is provided with a fixing plate fixed to the shelf mounting portion.