KR102551507B1 - Back rest for motorcycle - Google Patents

Abstract

The present invention relates to a backrest for a motorcycle, comprising: two support bars detachably disposed parallel to each other at the rear of the motorcycle; A pair of couplings interposed between the support bars; and a cushion member coupled to and disposed on the outer circumferential surface of the pair of couplings, wherein the support bar is configured to be tiltable in the overall direction of the motorcycle body.

Description

Back rest for motorcycle {Back rest for motorcycle}

The present invention relates to a backrest for a motorcycle, and more particularly, to a backrest for a motorcycle configured to be tiltable.

BACKGROUND ART In general, motorcycles are widely used as means of personal transportation or transportation of goods.

Although these motorcycles are provided with a saddle made of a cushion material to provide comfortable riding and seating comfort to all occupants, there is no separate support for supporting the rear of the occupants.

As part of such prior art, Patent Document 1 proposes a 'backrest for a two-wheeled vehicle' that supports the rider's back while driving a motorcycle. Although the backrest according to the prior art is configured to be able to adjust the height and position according to the physique condition of the occupant, it is inevitably limited in controlling the inclination angle of the backrest according to the occupant's preference.

Republic of Korea Registered Utility Model Publication No. 20-0491093

The present invention has been created to solve the above problems, and an object of the present invention is to provide a backrest for a motorcycle capable of adjusting an inclination angle of the backrest according to the physical conditions and preferences of the occupant.

In order to achieve the above object, the present invention provides two support bars disposed detachably in parallel with each other at the rear of the motorcycle; A pair of couplings interposed between the support bars; and a cushion member coupled to and disposed on the outer circumferential surface of the pair of couplings, wherein the support bar is configured to be tiltable in the overall direction of the motorcycle body.

In an embodiment of the present invention, the support bar may be composed of a fixed bar coupled to a rear frame of a motorcycle and a pivoting bar coupled to an upper end of the fixed bar to be tiltable.

In an embodiment of the present invention, the fixing bar is composed of a first horizontal portion extending in length along the rear frame of the motorcycle and a first standing portion extending in length upward from the first horizontal portion, rotatably at the center of the first inner surface a coupled male screw portion; Sawtooth projections formed along the circumference of the first inner side edge; and a spring inserted around the outer circumferential surface of the male threaded portion.

In addition, the fixing bar may have two stoppers disposed opposite in the longitudinal direction at the upper end.

In an embodiment of the present invention, the pivoting bar is composed of a second standing part tiltably coupled to the upper end of the fixing bar and a second horizontal part extending from the upper end of the second standing part to the center with respect to the full width direction of the motorcycle body A female screw hole drilling the center of the second inner surface facing the first inner surface of the fixed joint part; A rotation joint having a serrated protrusion formed along a circumference of the second inner surface may be included at a lower end of the second standing part.

In addition, the pivoting bar may have two locking protrusions disposed diametrically opposed around the free end of the second horizontal portion.

In an embodiment of the present invention, the coupling may include an accommodation groove formed in the longitudinal direction on the inner contact surface, and two long holes spaced apart from each other in the entire width direction of the motorcycle body within the accommodation groove.

Furthermore, the present invention may include end plates fixed in position at both ends of the pair of couplings.

In an embodiment of the present invention, the end plate may have a through hole drilled in its inner region.

Features and advantages of the present invention will become more apparent from the following detailed description taken in conjunction with the accompanying drawings.

Prior to this, the terms or words used in this specification and claims should not be interpreted in a conventional and dictionary sense, and the inventor may appropriately define the concept of the term in order to explain his or her invention in the best way. It should be interpreted as a meaning and concept consistent with the technical idea of the present invention based on the principle that there is.

According to the above description of the present invention, the tilting angle of the backrest can be adjusted to comfortably support the back of a driver or passenger riding a motorcycle.

In particular, according to the present invention, the backrest is configured to be tiltable in the entire length direction of the motorcycle body, so that it can be adjusted according to the rider's preference, and the back of the rider can be comfortably supported regardless of whether one person is riding or two people are riding.

In addition, the present invention is configured to expand or contract the backrest in the full width direction of the motorcycle body, so that it can be supported according to the rider's physical condition, that is, the rider's torso width, and is designed to be easily attached to and detached from motorcycles of various specifications. there is.

1 is a diagram schematically illustrating a state of use of a backrest for a motorcycle according to a preferred embodiment of the present invention.
2 is a perspective view of a backrest for a motorcycle according to a preferred embodiment of the present invention.
3 is an exploded perspective view of a backrest for a motorcycle according to a preferred embodiment of the present invention.
4 is an assembly state diagram of a support bar and a coupling constituting a backrest for a motorcycle according to a preferred embodiment of the present invention.
FIG. 5 is an exploded perspective view schematically illustrating a tilting portion shown in the arc portion of FIG. 2 .
6 is a diagram schematically showing another state of use of a backrest for a motorcycle according to a preferred embodiment of the present invention.

Objects, specific advantages and novel features of the present invention will become more apparent from the following detailed description and examples taken in conjunction with the accompanying drawings. In adding reference numerals to components of each drawing in this specification, it should be noted that the same components have the same numbers as much as possible, even if they are displayed on different drawings. In addition, in describing the present invention, if it is determined that a detailed description of related known technologies may unnecessarily obscure the subject matter of the present invention, the detailed description will be omitted. In this specification, terms such as first and second are used to distinguish one element from another element, and elements are not limited by the terms. In the accompanying drawings, some components are exaggerated, omitted, or schematically illustrated, and the size of each component does not entirely reflect the actual size.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIG. 1, the backrest 1 for a motorcycle according to the present invention is detached from both sides of the motorcycle saddle to the rear of the body, preferably tilting the backrest to comfortably support the back of the driver or passenger riding the motorcycle You can adjust the angle. Of course, it should be noted in advance that the backrest of the present invention is not limited to motorcycles and is applicable to two-wheeled vehicles, bicycles, scooters, and the like.

Specifically, the backrest for a motorcycle (1; hereafter referred to as a backrest) according to a preferred embodiment of the present invention is configured to be tiltable in the overall direction of the motorcycle body.

1 to 5, the present invention relates to two support bars 11 detachably coupled to the rear of a motorcycle saddle, a pair of couplings 12 interposed between the support bars 11, and a pair It consists of an end plate 13 fixed in position at both ends of the coupling 12, and a cushion member 14 coupled to the outer circumferential surface of the pair of couplings 12.

As shown, the present invention is positioned at the rear of the saddle of a motorcycle according to a single person riding, that is, the driver's seating position, and the tilting angle of the backrest can be adjusted to suit the driver.

As described above, the two support bars 11 may be individually detachably coupled to a pair of rear frames disposed parallel to each other at both rear sides of the motorcycle saddle. In other words, the two support bars 11 may be spaced parallel to each other in the full width direction of the motorcycle body. Here, the overall length direction means the longitudinal direction of the motorcycle body, and the full width direction means the width direction of the motorcycle body.

Moreover, the two support bars 11 can be arranged mirror-symmetrically about the motorcycle.

Specifically, the support bar 11 is composed of a fixed bar 111 coupled to the rear frame and a pivot bar 112 coupled to an upper end of the fixed bar 111 to be tiltable. Thus, since the present invention can implement a tilting operation at a predetermined height without tilting at the lower part of the support bar, it is possible to support the occupant in correspondence with the curved body shape of the occupant, and optionally extend the length of the pivot bar. Even the occupant's upper thoracic spine or back of the head can be sufficiently supported.

The fixing bar 111 may have a bracket 161 fixed to its lower portion to help bind with the rear frame, and a bolt may be inserted into a hole formed in the lower portion and tightened with a nut to bind with the rear frame. can Preferably, the fixing bar 111 may have a fixing joint 151 at its upper end.

As shown, the fixing bar 111 is bent in an L shape, and the first horizontal portion 111a extending in the longitudinal direction of the rear frame and the first standing portion bent upward from the first horizontal portion 111a It may be made of a part (111b). The bracket 161 may be disposed on the first horizontal portion 111a.

The pivoting bar 112 is bent in an inverted L shape, and includes a second standing portion 112b tiltably coupled to the first standing portion 111b and a motorcycle body at the upper end of the second standing portion 112b. It may be made of a second horizontal portion (112a) extending in length toward the center with respect to the full width direction of. The second horizontal portion 112a has two locking protrusions 171 protruding outward from the outer circumferential surface of its free end. In other words, the two locking protrusions 171 are diametrically opposed around the free end of the second horizontal portion.

In the embodiment of the present invention, the pivoting bar 112 is tiltably coupled to the upper end of the fixing bar, and for this purpose, the pivoting joint 152 ) can be provided.

The backrest 1 according to a preferred embodiment of the present invention is characterized in that it is configured to be tiltable back and forth along the entire length direction of the motorcycle body.

To this end, the first standing part 111b of the fixing bar 111 has a fixed joint 151 at its upper end, while the second standing part 112b of the pivoting bar 112 has a pivoting joint at its lower end. (152). The fixed joint 151 includes a male screw portion 151a disposed through the thickness direction from the center of the first inner surface facing the pivot joint and saw-toothed protrusions 151b formed along the circumference of the first inner surface. Correspondingly, the pivot joint 152 includes a female threaded hole 152a drilled through the center of the second inner surface facing the first inner surface of the fixed joint and a sawtooth protrusion 152b formed along the edge of the second inner surface. provide Accordingly, the present invention provides a gap between the first inner surface of the fixed joint 151 and the second inner surface of the pivot joint 152 by bolting the male screw portion 151a of the fixed joint to the female screw hole 152a of the pivot joint. can be adjusted.

Optionally, the fixed joint part 151 may be rotatably coupled to the male screw part 151a on the first inner surface. The male screw portion may be rotatably mounted in a forward or reverse direction without being separated from the first inner surface.

A spring 153 is interposed between the first inner surface of the fixed joint 151 and the second inner surface of the pivot joint 152 that comes into contact with the first inner surface, and the spring 153 is the outer circumferential surface of the male screw portion 151a as shown. It is inserted and arranged around the circumference to prevent separation or separation from the tilting part.

In addition, the present invention includes two stoppers 154 disposed oppositely in the vicinity of the free end of the first standing part 111b, which is the upper end of the fixing bar. As shown, the two stoppers may be disposed opposite to each other in the longitudinal direction to limit the tilting angle of the pivoting bar forward and backward.

When the operator tightens and rotates the male screw part 151a using a tool such as a screwdriver or hexagonal wrench, the rotation bar ( 112) can be reliably constrained.

Of course, the operator can mutually relax the fixed joint 151 and the pivot joint 152 through the loosening rotation of the male screw part 151a, so that the pivot bar 112 can rotate at a desired angle around the male screw part. .

In the present invention, the cushion member 14 may be placed between the two support bars 11 . The cushion member 14 is mounted on the outer circumferential surface of the pair of couplings 12 surrounding the two support bars 11, specifically between the second horizontal portions 112a of the pivoting bars 112 disposed opposite to each other. can do.

As is widely known to those skilled in the art, the cushion member 14 may be coupled to the coupling and adjacent cushion members in various ways such as Velcro, straps, and buckles.

Specifically, the present invention can vary the width spacing between the two support bars 11 by means of a pair of couplings. That is, a pair of couplings 12 are mutually coupled between the second horizontal portion 112a of one support bar 11 and the second horizontal portion 112a of the other support bar 11 to form two second horizontal portions. At the same time as supporting it, sliding movement in the full width direction can be guaranteed.

To this end, the coupling 12 is formed in a semi-cylindrical shape, and a receiving groove 121 is formed in the longitudinal direction at the center of the flat inner contact surface. The accommodating groove 121 is formed along the longitudinal direction of the coupling, specifically, the full width direction of the motorcycle itself, and has a size and shape capable of accommodating two second horizontal parts 112a spaced apart in a row along the full width direction is formed by The pair of couplings 12 may face each other and provide a hollow portion capable of supporting the second horizontal portion 112a on one side and the second horizontal portion on the other side while surrounding the second horizontal portion. The hollow part is limited to semicircular receiving grooves 121 provided in each of the pair of couplings 12, and provides a slidable path along the second horizontal part in the full width direction.

Furthermore, the coupling 12 includes two long holes 122 spaced apart in the entire width direction in the receiving groove 121 . Preferably, the long hole 122 may be formed long in the longitudinal direction of the coupling, that is, in the full width direction of the motorcycle itself. Insert the locking protrusion 171 provided at the free end of the second horizontal portion 112a into the long hole 122 so that the second horizontal portion 112a of the pivot bar does not escape from the hollow portion defined by the pair of couplings do. According to the present invention, the position of the second horizontal portion 112a can be varied to correspond to the length of the long hole, which results in a gap between the two support bars 11 disposed opposite to each other centered on the pair of couplings 12. You can expand or contract the spacing. In other words, the pair of couplings 12 insert the locking protrusion 171 provided on the outer circumferential surface of the second horizontal portion into the long hole 122 to ensure the sliding movement of the second horizontal portion along the extension direction of the long hole, while the first 2 Unnecessary rotation in the circumferential direction of the horizontal part can be prevented.

According to the present invention, the width gap between the two support bars 11 can be adjusted according to the body width of the occupant, and the width gap between the two support bars can be varied according to the distance between the pair of rear frames provided at the rear of the motorcycle. One can help with mounting.

Optionally, in the present invention, a pair of couplings 12 may be coupled to each other by, for example, a bolting fastening method.

In addition, in the present invention, both ends of the pair of couplings may be finished with the end plate 13. As shown, the end plate 13 may assemble the pair of couplings into a single tubular member in a state where both ends of the pair of couplings 12 come into contact with each other in a bolting fastening method.

The end plate may be formed in a disk shape so that it can be inserted and disposed at both ends of the pair of couplings, and a through hole 131 is bored in the inner region of the end plate so that the free end of the second horizontal portion 112a of the pivot bar 112 is formed. entry may be allowed. The through hole 131 is formed by two holes disposed opposite to each other in the diametric direction from the outer circumferential surface of the free end of the second horizontal part and the free end of the second horizontal part so as not to be affected by the two locking protrusions 171 provided at the free end when entering and exiting the free end of the second horizontal part. It may be perforated in a shape corresponding to the locking protrusion.

As shown in FIG. 6, the backrest for a motorcycle according to a preferred embodiment of the present invention can be repositioned at the rear of the saddle of a motorcycle according to the seating position of a passenger riding in the rear seat of a motorcycle, that is, two-person riding. The tilt angle of the backrest can be adjusted to suit the passenger.

It can be seen that such an action is made possible by tiltably coupling the pivoting bar 112 to the middle portion of the vertical direction of the fixed bar 111. In other words, according to the user's convenience or choice, the present invention is applied to the rear frame of the motorcycle. It can be seen that it is designed so that it can be installed and used symmetrically.

Although the present invention has been described in detail through examples, this is for explaining the present invention in detail, and the backrest for a motorcycle according to the present invention is not limited thereto, and within the technical spirit of the present invention, conventional knowledge in the art It will be said that it is clear that the modification or improvement is possible by those who have it.

All simple modifications or changes of the present invention fall within the scope of the present invention, and the specific protection scope of the present invention will be clarified by the appended claims.

1 ----- backrest;
11 ----- support bar;
111 ----- fixed bar, 111a ----- first horizontal part, 111b ----- first standing part,
112 ----- rotation bar, 112a ----- second horizontal part, 112b ----- second upright part,
12 ----- coupling, 121 ----- receiving groove, 122 ----- long hole,
13 ----- end plate;
14 ----- Cushion member,
151 ----- fixed joint, 151a ----- male screw,
151b ----- fixed joint serrated protrusion,
152 ----- rotation joint, 152a ----- female threaded hole,
152b ----- rotational joint serrated projection,
153 ----- spring,
154 ----- stopper,
161 ----- Bracket,
171 ----- Stumbling block.

Claims (9)

two support bars 11 disposed detachably parallel to each other at the rear of the motorcycle;
a pair of couplings 12 interposed between the support bars 11; and
Including; a cushion member 14 coupled to the outer circumferential surface of the pair of couplings 12;
The support bar 11 is composed of a fixed bar 111 coupled to the rear frame of the motorcycle and a pivoting bar 112 coupled to the upper end of the fixed bar 111 to be tiltable, and the fixed bar 111 ) is composed of a first horizontal portion 111a extending along the rear frame of the motorcycle and a first standing portion 111b extending upward from the first horizontal portion 111a, and the rotation bar 112 ) is a second standing portion 112b tiltably coupled to the upper end of the fixing bar 111 and a second horizontal portion extending from the upper end of the second standing portion to the center with respect to the full width direction of the motorcycle body ( 112a),
The backrest for a motorcycle, wherein the support bar (11) is configured to be tiltable in the overall direction of the motorcycle body.
delete The method of claim 1,
a male screw portion 151a disposed penetrating from the center of the first inner surface;
saw-toothed protrusions 151b formed along the circumference of the first inner side edge; and
A backrest for a motorcycle, comprising a fixed joint portion 151 having a spring 153 inserted around an outer circumferential surface of the male screw portion 151a at an upper end of the fixing bar 111.
The method of claim 3,
The fixing bar 111 has two stoppers 154 disposed opposite to each other in the longitudinal direction at an upper end thereof, and a backrest for a motorcycle.
The method of claim 3,
a female threaded hole 152a drilling a center of a second inner surface facing the first inner surface of the fixed joint part 151;
A backrest for a motorcycle, comprising a pivoting joint portion 152 having a sawtooth protrusion 152b formed along the circumference of the second inner side edge at a lower end of the second standing portion 112b.
The method of claim 1,
The rotation bar (112) has two hooking protrusions (171) arranged diametrically opposite to each other around the free end of the second horizontal portion (112a).
The method of claim 1,
The pair of couplings 12 are provided with an accommodation groove 121 formed in the longitudinal direction on the inner contact surface and two long holes 122 spaced apart in the full width direction of the motorcycle body in the accommodation groove 121, motorcycle dragon backrest.
The method of claim 1,
The backrest for a motorcycle further comprising an end plate 13 fixed in position at both ends of the pair of couplings 12.
The method of claim 8,
In the end plate (13), a through hole (131) is bored in an inner region of the end plate.

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