Motorcycle backrest

Abstract

The utility model relates to the field of motorcycle backrests, and discloses a motorcycle backrest which comprises a supporting arm, the bottom end of the supporting arm is in a forked shape, and the forked end of the supporting arm is movably connected with a mounting plate. A mounting frame is fixedly mounted at the rear end of the backrest soft bag; sliding blocks are fixedly connected to the two sides of the end, close to the mounting frame, of the rotating arm; a rotating seat is arranged between the end, away from the mounting frame, of the rotating arm and the supporting arm, the rotating seat and the rotating arm are in a movable clamping relation, and an extension rod is arranged between the rotating seat and the supporting arm. The installation frame is installed at the rear end of the backrest soft bag, the sliding blocks at the two ends of the rotating arm and the installation frame are fixed through bolts, the position of the backrest soft bag is convenient to adjust, the rotating seat is movably connected with the rotating arm, the rotating angle of the rotating arm is convenient to adjust, and therefore the backrest soft bag can be attached to the waist of a rider conveniently; the comfort and the practicability of the backrest are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to motorcycle backrest field especially relates to a motorcycle backrest. BACKGROUND

[0002] Motorcycle is a kind of very extensive traffic tool, motorcycle backrest can give to the rider waist support, improve the comfort of cycling.

[0003] Such as the application number CN201210386765.4 discloses a more comfortable and safe motorcycle for rear seat passengers, the backrest of the present application is lifted by using sliding cylinder device, the backrest is connected with motorcycle body by connecting rod, the connecting rod is fixed by snap spring or bolt pin, so as to facilitate production and assembly, the lifting and fixing of the backrest of the present application uses telescopic bolt pin, when the backrest is pulled up, the bolt pin is automatically inserted to stop the backrest from sliding down, when the bolt pin is pulled up, the backrest is automatically slid down.

[0004] But the existing motorcycle backrest is mostly installed in fixed mode, and the height and the angle of inclination cannot be adjusted, so it cannot be well adapted to the riders with different body shapes, in addition, the motorcycle backrest is mostly used by the rear passengers, and when there is no one in the rear row, the waist support of the motorcycle driver cannot be improved.

[0005] Therefore, the motorcycle backrest is provided by the person skilled in the art to solve the problems in the above background. CONTENT OF THE UTILITY MODEL

[0006] In view of the deficiencies of the prior art, the utility model provides a motorcycle backrest, which solves the problems in the above background.

[0007] In order to achieve the above purpose, the utility model is implemented by the following technical scheme:

[0008] A motorcycle backrest, which comprises a support arm, the bottom end of the support arm is bifurcated, the bifurcated end of the support arm is movably connected with a mounting plate, the mounting plate is fixedly installed on the frame of the motorcycle, a backrest soft bag, the rear end of the backrest soft bag is fixedly installed with a mounting bracket by bolts, and a gap is left between the mounting bracket and the backrest soft bag at the middle position, a rotating arm, the two sides of one end of the rotating arm close to the mounting bracket are fixedly connected with sliding blocks, the rotating arm is curved in arc shape, the sliding blocks are movably clamped in the gap between the mounting bracket and the backrest soft bag, and the sliding blocks are fixed with the mounting bracket by bolts, a rotating seat is arranged between the end of the rotating arm away from the mounting bracket and the support arm, the rotating seat and the rotating arm are movably clamped, an extension rod is arranged between the rotating seat and the support arm, and the extension rod movably penetrates the top end of the support arm.

[0009] According to the motorcycle backrest, a first lock catch is arranged between the mounting plate and the bifurcated end of the support arm.

[0010] According to the motorcycle backrest, the bifurcated rear end of the supporting arm is further provided with connecting plates, a rack is movably arranged between the two groups of connecting plates, and a second lock catch is arranged between the rack and the connecting plates.

[0011] According to the motorcycle backrest, the rotating seat is in a U shape, the end of the rotating arm close to the rotating seat is provided with a mounting hole, and the end of the rotating arm close to the rotating seat is movably clamped in the U-shaped groove of the rotating seat.

[0012] According to the motorcycle backrest, the U-shaped groove of the rotating seat movably penetrates an axle rod, the outer wall of the axle rod is sleeved with a special-shaped clamping block, a special-shaped clamping groove is formed through the mounting hole, the special-shaped clamping block is movably clamped in the special-shaped clamping groove, and the axle rod movably penetrates the rotating arm through the mounting hole.

[0013] According to the motorcycle backrest, the extension rods are fixedly arranged at the bottom end of the rotating seat through bolts, the extension rods are two groups, and the two groups of extension rods movably penetrate the supporting arm.

[0014] According to the motorcycle backrest, the limiting rollers are movably arranged in the supporting arm cavity, the limiting rollers are perpendicular to the two groups of extension rods, the outer wall of the extension rod is provided with a clamping groove, and the limiting roller is movably clamped in the clamping groove.

[0015] The utility model provides a motorcycle backrest has the following beneficial effects:

[0016] (1) by setting the bifurcated bottom end of the supporting arm, the supporting arm is arranged on the motorcycle frame through the mounting plate, the backrest soft package can provide support for the rider's back by being arranged, the mounting frame is arranged at the rear end of the backrest soft package, the sliding block at the two ends of the rotating arm is fixed between the mounting frame through bolts, the position of the backrest soft package is adjusted, the rotating angle of the rotating arm is adjusted through the movable connection between the rotating seat and the rotating arm, so that the backrest soft package is conveniently attached to the waist of the rider, and the comfort and practicability of the backrest are improved.

[0017] (2) by setting the first lock catch between the bottom end of the supporting arm and the mounting plate, the supporting arm can be rotated after being unlocked, the distance between the backrest soft package and the rider is closer after adjusting the adjustment between the rotating arm and the rotating seat after the backrest soft package is turned over, the rider is supported when one person rides a motorcycle, and the practicability of the device is improved.

[0018] (3) through the setting rotates the seat "U" shape, the rotating arm is close to the end of the rotating seat opening has a mounting hole, the rotating arm is close to one end of the U-shaped groove in the rotating seat activity card, through the setting shaft pole activity through the U-shaped groove of the rotating seat, the outer wall of the shaft pole sets up the special-shaped block, the mounting hole on the through opening has a special-shaped slot, the special-shaped block can be activity card in the special-shaped slot, the shaft pole through the mounting hole activity through the rotating arm, so as to facilitate the angle of the rotating arm to adjust, and then adjust the back soft package of the angle of elevation. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional structure schematic view of the utility model of a motorcycle backrest;

[0020] Figure 2 It is a three-dimensional structure schematic view of the utility model of a motorcycle backrest; Figure 1 ;

[0021] Figure 3 It is a three-dimensional structure schematic view of the utility model of a motorcycle backrest; Figure 2 ;

[0022] Figure 4 It is a three-dimensional structure schematic view of the utility model of a motorcycle backrest;

[0023] Figure 5 It is a three-dimensional structure schematic view of the utility model of a motorcycle backrest;

[0024] Legend:

[0025] 10, arm; 11, mounting plate; 12, shelf; 13, rotating seat; 14, back soft package; 15, mounting frame; 16, rotating arm; 17, extension rod; 18, special-shaped block; 19, shaft; 20, mounting hole; 21, special-shaped slot. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model.

[0027] Please refer to Figures 1-5As shown in the utility model is a kind of motorcycle backrest, including support arm 10, support arm 10 bottom bifurcation, the bifurcation end of support arm 10 movably connected with mounting plate 11, mounting plate 11 is fixedly installed on the frame of motorcycle;Backrest soft package 14, backrest soft package 14 rear end is fixedly installed with mounting rack 15, and mounting rack 15 middle position is left with gap with backrest soft package 14;Rotary arm 16, one end of rotary arm 16 close to mounting rack 15 is fixedly connected with slider, rotary arm 16 is curved in arc shape, slider is movably engaged in the gap between mounting rack 15 and backrest soft package 14, and slider is fixed with mounting rack 15 by bolt;Rotary seat 13 is arranged between the end of rotary arm 16 away from mounting rack 15 and support arm 10, and rotary seat 13 and rotary arm 16 are movably engaged, and extension rod 17 is arranged between rotary seat 13 and support arm 10, and extension rod 17 movably penetrates the top end of support arm 10.

[0028] Specifically, by setting the bifurcation of support arm 10 bottom end, support arm 10 is installed on the frame of motorcycle through mounting plate 11, backrest soft package 14 can provide support for the back of the rider by being arranged, the position of backrest soft package 14 is adjusted by fixing the slider of rotary arm 16 between both ends and mounting rack 15 by bolt, the rotary angle of rotary arm 16 is adjusted by movably connecting rotary seat 13 and rotary arm 16, so that backrest soft package 14 is conveniently fitted with the waist of the rider, and the comfort and practicability of backrest are improved.

[0029] As shown in the utility model, Figures 1-3 The bifurcation end of support arm 10 is also provided with connecting plate, and goods shelf 12 is movably installed between the two groups of connecting plates, and second lock catch is arranged between goods shelf 12 and connecting plate.

[0030] It is worth mentioning that the lock catch is the prior art known to those skilled in the art, which is not described here.

[0031] Specifically, by setting the first lock catch between the bottom end of support arm 10 and mounting plate 11, the support arm 10 can be rotated after unlocking, the distance between backrest soft package 14 and the rider is closer by adjusting the adjustment between rotary arm 16 and rotary seat 13 after backrest soft package 14 is turned over, so as to support the rider when one person rides a bike, and goods shelf 12 can be folded by setting second lock catch.

[0032] As shown in the utility model, Figure 4As shown, the rotating seat 13 is "U" shaped, the rotating arm 16 is provided with a mounting hole 20 at one end close to the rotating seat 13, and the one end of the rotating arm 16 close to the rotating seat 13 is movably clamped in the U-shaped groove of the rotating seat 13. The shaft rod 19 is movably penetrated in the U-shaped groove of the rotating seat 13, the outer wall of the shaft rod 19 is sleeved with a special-shaped clamping block 18, the mounting hole 20 is provided with a special-shaped clamping groove 21, the special-shaped clamping block 18 is movably clamped in the special-shaped clamping groove 21, and the shaft rod 19 is movably penetrated in the rotating arm 16 through the mounting hole 20.

[0033] Specifically, by setting the rotating seat 13 to be "U" shaped, the rotating arm 16 is provided with a mounting hole 20 at one end close to the rotating seat 13, and the one end of the rotating arm 16 close to the rotating seat 13 is movably clamped in the U-shaped groove of the rotating seat 13. The shaft rod 19 is movably penetrated in the U-shaped groove of the rotating seat 13, the outer wall of the shaft rod 19 is sleeved with a special-shaped clamping block 18, the mounting hole 20 is provided with a special-shaped clamping groove 21, the special-shaped clamping block 18 is movably clamped in the special-shaped clamping groove 21, and the shaft rod 19 is movably penetrated in the rotating arm 16 through the mounting hole 20. Thus, the angle of the rotating arm 16 is adjusted, and the angle of the back soft bag 14 is adjusted.

[0034] As shown in the figure, Figure 5 As shown, the extension rod 17 is fixedly installed at the bottom end of the rotating seat 13 by bolts, the extension rod 17 is two groups, and the two groups of extension rods 17 are movably penetrated in the supporting arm 10. The limiting roller is movably installed in the cavity of the supporting arm 10, the limiting roller and the two groups of extension rods 17 are in a mutually perpendicular state, the outer wall of the extension rod 17 is provided with a clamping groove, and the limiting roller is movably clamped in the clamping groove.

[0035] Specifically, the bottom end of the rotating seat 13 is fixedly connected with the extension rod 17, the extension rod 17 is movably penetrated in the supporting arm 10, the limiting roller is movably installed in the cavity of the supporting arm 10, the outer wall of the extension rod 17 is provided with a clamping groove, and the limiting roller is movably clamped in the clamping groove by moving the position of the limiting roller. Thus, the extension rod 17 is limited and fixed, and the height of the rotating seat 13 is adjusted.

[0036] The utility model discloses a backrest of motorcycle is specific working principle as: through setting up the bifurcate of branch 10 bottom, and the branch 10 is installed on the motorcycle frame through mounting plate 11, sets up the backrest soft package 14 and can provide the support to the rider back, through setting up the mounting bracket 15 installation in backrest soft package 14 rear end, and the slider between rotary arm 16 both ends and mounting bracket 15 passes through bolt fixation, is convenient for adjusting the position of backrest soft package 14, through setting up the swing joint between rotary seat 13 and rotary arm 16, is convenient for adjusting the rotation angle of rotary arm 16, to be convenient for backrest soft package 14 and rider waist department mutually conforming, through setting up first lock catch between branch 10 bottom and mounting plate 11, can rotate after unlocking to branch 10, and backrest soft package 14 overturns again and adjusts the adjustment between rotary arm 16 and rotary seat 13, makes backrest soft package 14 and the distance between rider closer, is convenient for one person to ride a car when supporting rider, improves the comfort and practicality of backrest.

[0037] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The skilled person in the art should understand that the utility model is not limited by the above examples, and the above examples and the description in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model.

Claims

1. A motorcycle backrest, characterized in that, Include: The branch (10) is bifurcated at the bottom end, and the bifurcated end of the branch (10) is movably connected with a mounting plate (11), and the mounting plate (11) is fixedly installed on the frame of the motorcycle; The back soft package (14) is fixedly installed with a mounting rack (15) at the rear end through bolts, and the mounting rack (15) is left with a gap at the middle position with the back soft package (14); The rotating arm (16) is movably clamped in the gap between the mounting rack (15) and the back soft package (14), and the sliding block is movably clamped in the gap between the mounting rack (15) and the back soft package (14). The end of the rotating arm (16) away from the mounting rack (15) is provided with a rotating seat (13) between the rotating arm (16) and the branch (10), and the rotating seat (13) is movably clamped between the rotating arm (16) and the branch (10). The extension rod (17) movably penetrates the top end of the branch (10).

2. The motorcycle backrest according to claim 1, characterized in that: The mounting plate (11) and the bifurcated end of the branch (10) are provided with a first lock.

3. The motorcycle backrest according to claim 1, characterized in that: The bifurcated rear end of the branch (10) is also provided with a connecting plate, and the connecting plate is movably installed between the two groups of connecting plates. The connecting plate is provided with a second lock between the connecting plate and the connecting plate.

4. The motorcycle backrest according to claim 1, characterized in that: The rotating seat (13) is "U" shaped, the rotating arm (16) is provided with a mounting hole (20) at one end close to the rotating seat (13), and the rotating arm (16) is movably clamped in the U-shaped groove of the rotating seat (13).

5. The motorcycle backrest according to claim 4, characterized in that: The U-shaped groove of the rotating seat (13) movably penetrates the shaft rod (19), the outer wall of the shaft rod (19) is sleeved with a special-shaped clamping block (18), the mounting hole (20) is provided with a special-shaped clamping groove (21), the special-shaped clamping block (18) is movably clamped in the special-shaped clamping groove (21), and the shaft rod (19) movably penetrates the rotating arm (16) through the mounting hole (20).

6. The motorcycle backrest according to claim 1, characterized in that: The extension rod (17) is fixedly installed at the bottom end of the rotating seat (13) through bolts, and the extension rod (17) is two groups, and the two groups of extension rods (17) movably penetrate the branch (10).

7. The motorcycle backrest according to claim 1, characterized in that: The branch (10) cavity movably installs a limiting roller, the limiting roller and the two groups of extension rods (17) are in a mutually perpendicular state, the outer wall of the extension rod (17) is provided with a clamping groove, and the limiting roller is movably clamped in the clamping groove.

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