V-shaped rim brake of lightweight bicycle

Abstract

The utility model belongs to the technical field of bicycle brakes, and particularly relates to a lightweight bicycle V-shaped rim brake which comprises a main body seat, a first brake arm main body, a second brake arm main body, a first brake rubber main body and a second brake rubber main body. The first brake shoe main body and the second brake shoe main body are fixedly connected with the first brake arm main body and the second brake arm main body respectively; an action track balance bracket and an action track bearing bracket which correspond to the first brake arm main body and the second brake arm main body are arranged in the main body seat, and a brake fixing screw is fixedly connected to the bottom of the main body seat. According to the utility model, through the arrangement of the structure that the bearing and the bearing track pad are sunk into the main body, the service life of the brake is effectively prolonged, and meanwhile, the braking force and the braking experience of the brake are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bicycle brakes, in particular to a lightweight bicycle V-shaped rim brake. Background Art

[0002] A bicycle rim brake is connected to an operating device through a Bowden type control cable having an internal cable and an external housing. The bicycle rim brake has a first brake arm and a second brake arm that are swingably configured relative to the bicycle frame, and a position variable mechanism provided on one of the brake arms to change the distance between a first brake pad provided on the first brake arm and a second brake pad provided on the second brake arm.

[0003] However, the existing brake for an automatic vehicle has a relatively simple composition structure, the braking force of the brake is weak, and at the same time, the braking experience is poor, thus affecting the performance and use effect of the brake. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the problems of weak braking force of the brake and poor braking experience proposed in the above background art, and to propose a lightweight bicycle V-shaped rim brake.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A lightweight bicycle V-shaped rim brake, comprising a main body seat, a first brake arm main body, a second brake arm main body, a first brake pad main body and a second brake pad main body. The first brake arm main body and the second brake arm main body are respectively rotatably connected to the main body seat. The first brake pad main body and the second brake pad main body are respectively fixedly connected to the first brake arm main body and the second brake arm main body. An action trajectory balance bracket and an action trajectory bearing bracket corresponding to the first brake arm main body and the second brake arm main body are arranged in the main body seat. A brake fixed screw is fixedly connected to the bottom of the main body seat, and a brake fixed nut is threadedly sleeved on the brake fixed screw;

[0007] One end of the first brake arm main body away from the first brake pad main body is threadedly inserted with a brake cable adjusting screw. One end of the brake cable adjusting screw is threadedly sleeved with a brake cable adjusting clamping sleeve and a brake cable ball seat anti-loosening nut. A brake cable ball-shaped round and flat seat is fixedly inserted on the first brake arm main body. A brake cable adjusting return spring is arranged between the brake cable adjusting screw and the brake cable adjusting clamping sleeve;

[0008] One end of the second brake arm body away from the second brake shoe body is fixedly connected with a brake cable fixing seat. A brake cable pressing plate is fixedly connected to the brake cable fixing seat through a brake cable pressing screw. One end of the brake cable fixing seat is fixedly connected with a drip adjusting knob. A brake cable fixing seat limiting pad is fixedly connected to the drip adjusting knob through a drip adjusting knob locking screw. A clamping spring steel ball screw is threadedly inserted into the drip adjusting knob, and a clamping steel ball and a clamping spring are arranged on the clamping spring steel ball screw.

[0009] Preferably, the first brake arm body and the main body seat are rotationally connected through a first main shaft mechanism. The first main shaft includes a first main shaft screw, and a first main shaft locknut is threadedly sleeved on the first main shaft screw. A first main shaft light pad and a first left concave-convex steel bushing are sleeved on the first main shaft screw. One end of the first main shaft screw close to the first main shaft locknut is sleeved with a first main shaft thrust bearing ball, a first bearing track pad and a second bearing track pad. The first main shaft thrust bearing ball, the first bearing track pad and the second bearing track pad are all embedded in the main body seat. A torsion spring is sleeved on the first main shaft screw, and a torsion spring upper sleeve and a torsion spring lower sleeve are respectively sleeved at both ends of the torsion spring.

[0010] Preferably, the second brake arm body and the main body seat are rotationally connected through a second main shaft mechanism. The second main shaft mechanism includes a second main shaft screw. A tire width capacity adjusting screw corresponding to the second main shaft screw is threadedly inserted into the second brake arm body. One end of the second main shaft screw is threadedly sleeved with a second main shaft locknut. A second main shaft light gasket is sleeved on the second main shaft screw. One end of the second main shaft screw close to the second main shaft locknut is sleeved with a second right steel sleeve, a second right concave-convex steel bushing and a second brake arm thrust bearing ball. A third bearing track pad and a fourth bearing track pad are respectively arranged on both sides of the second brake arm thrust bearing ball.

[0011] Preferably, one end of the movement track bearing bracket is rotationally connected with a track bearing rolling tooth optical shaft through a needle bearing.

[0012] Preferably, one side of the first brake shoe body is fixedly connected with a first brake shoe through a plurality of first brake shoe fixing screws. A first brake shoe fixing screw is threadedly inserted into the side of the first brake shoe body away from the first brake shoe. A first brake shoe gasket and a first brake shoe universal cushion are sleeved on the first brake shoe fixing screw.

[0013] Preferably, one side of the second brake shoe body is fixedly connected with a second brake shoe through a plurality of second brake shoe fixing screws. The side of the second brake shoe body away from the second brake shoe is inserted with a second brake fixing screw through threads. A second brake gasket and a second brake universal pad are sleeved on the second brake fixing screw.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] In the utility model, through the setting of the structure that the bearing and the bearing track pad sink into the main body, the service life of the brake is effectively improved. At the same time, the braking force and the braking experience of the brake are improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of a lightweight bicycle V-shaped rim brake proposed by the utility model;

[0017] Figure 2 It is a side view structural schematic diagram of a lightweight bicycle V-shaped rim brake proposed by the utility model;

[0018] Figure 3 It is an exploded structural schematic diagram of a lightweight bicycle V-shaped rim brake proposed by the utility model.

[0019] In the figure: 101 main body seat, 102 first brake arm main body, 103 second brake arm main body, 104 moving track bearing bracket, 105 moving track balance bracket, 106 brake fixed screw, 107 brake fixed screw balance pad, 108 brake fixed nut, 109 needle roller bearing, 110 track bearing rolling thread optical axis, 111 first main shaft optical pad, 112 first main shaft screw, 113 first left concave-convex steel bushing, 114 upper sleeve of torsion spring, 115 torsion spring, 116 lower sleeve of torsion spring, 117 first bearing track pad, 118 first main shaft thrust bearing ball, 119 second bearing track pad, 120 first main shaft locknut, 121 second main shaft optical pad, 122 second main shaft screw, 123 tire width capacity adjustment screw, 124 second right concave-convex steel bushing, 125 second right copper bushing, 126 second main shaft bearing track pad, 127 second main shaft thrust bearing ball, 128 main shaft bearing track pad, 129 second main shaft locknut, third bearing track pad 131, 132 second brake arm thrust bearing ball, 133 fourth bearing track pad, 201 water droplet adjustment knob, 202 water droplet adjustment knob lock screw, 203 positioning steel ball, 204 positioning spring, 205 positioning spring steel ball screw, 206 brake wire fixing seat limit pad, 207 brake wire fixing seat, 208 brake wire pressing plate, 209 brake wire pressing screw, 301 brake wire spherical round and flat shaft seat, 302 anti-loosening nut for brake wire spherical shaft seat, 303 brake wire adjustment positioning screw sleeve, 304 brake wire adjustment return spring, 305 brake wire adjustment screw, 501 first brake shoe, 502 second brake shoe, 503 first brake shoe, 504 first brake shoe main body, 505 first brake universal pad, 506 first brake gasket, 507 first brake fixing screw, 508 first brake shoe fixing screw, 509 second brake shoe, 510 second brake shoe main body, 511 second brake universal pad, 512 second brake gasket, 513 second brake fixing screw, 514 second brake shoe fixing screw. Detailed implementation manners

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0021] Refer to Figures 1-3, a lightweight bicycle V-shaped rim brake, comprising a main body seat 101, a first brake arm main body 102, a second brake arm main body 103, a first brake pad main body 504 and a second brake pad main body 510. The first brake arm main body 102 and the second brake arm main body 103 are respectively rotatably connected to the main body seat 101, and the first brake pad main body 504 and the second brake pad main body 510 are respectively fixedly connected to the first brake arm main body 102 and the second brake arm main body 103;

[0022] In this embodiment, an action trajectory balance bracket 105 and an action trajectory bearing bracket 104 corresponding to the first brake arm main body 102 and the second brake arm main body 103 are provided inside the main body seat 101. One end of the action trajectory bearing bracket 104 is rotatably connected with a trajectory bearing rolling tooth optical shaft 110 through a needle bearing 109. A brake fixed screw 106 is fixedly connected to the bottom of the main body seat 101, and a brake fixed nut 108 is threadedly sleeved on the brake fixed screw 106;

[0023] In this embodiment, one side of the first brake pad main body 504 is fixedly connected with a first brake pad 503 through a plurality of first brake pad fixing screws 508. A first brake fixing screw 507 is inserted through the thread on the side of the first brake pad main body 504 away from the first brake pad 503, and a first brake pad gasket 506 and a first brake pad universal cushion 505 are sleeved on the first brake fixing screw 507;

[0024] One side of the second brake pad main body 510 is fixedly connected with a second brake pad 509 through a plurality of second brake pad fixing screws 514. A second brake fixing screw 513 is inserted through the thread on the side of the second brake pad main body 510 away from the second brake pad 509, and a second brake pad gasket 512 and a second brake pad universal cushion 511 are sleeved on the second brake fixing screw 513;

[0025] In this embodiment, a brake wire adjusting screw 305 is inserted through the thread at one end of the first brake arm main body 102 away from the first brake pad main body 504. One end of the brake wire adjusting screw 305 is threadedly sleeved with a brake wire adjusting position sleeve 303 and a brake wire ball-shaped shaft seat anti-loosening nut 302. A brake wire ball-shaped round and flat shaft seat 301 is fixedly inserted on the first brake arm main body 102. A brake wire adjusting return spring 304 is provided between the brake wire adjusting screw 305 and the brake wire adjusting position sleeve 303;

[0026] In this embodiment, the first brake arm body 102 is rotatably connected to the main body seat 101 through a first main shaft mechanism. The first main shaft includes a first main shaft screw 112, on which a first main shaft locknut 120 is threadedly sleeved. A first main shaft light pad 111 and a first left concave-convex steel bushing 113 are sleeved on the first main shaft screw 112. One end of the first main shaft screw 112 close to the first main shaft locknut 120 is sleeved with a first main shaft thrust bearing ball 118, a first bearing track pad 117 and a second bearing track pad 119. The first main shaft thrust bearing ball 118, the first bearing track pad 117 and the second bearing track pad 119 are all embedded in the main body seat 101. A torsion spring 115 is sleeved on the first main shaft screw 112, and a torsion spring upper sleeve 114 and a torsion spring lower sleeve 116 are respectively sleeved at both ends of the torsion spring 115;

[0027] In this embodiment, one end of the second brake arm body 103 far from the second brake shoe body 510 is fixedly connected with a brake wire fixing seat 207. A brake wire pressing plate 208 is fixedly connected to the brake wire fixing seat 207 through a brake wire pressing screw 209. One end of the brake wire fixing seat 207 is fixedly connected with a water droplet adjusting head 201. A brake wire fixing seat limit pad 206 is fixedly connected to the water droplet adjusting head 201 through a water droplet adjusting head lock screw 202. A clamping spring steel ball screw 205 is threadedly inserted into the water droplet adjusting head 201, and a clamping steel ball 203 and a clamping spring 204 are arranged on the clamping spring steel ball screw 205;

[0028] In this embodiment, the second brake arm body 103 is rotatably connected to the main body seat 101 through a second main shaft mechanism. The second main shaft mechanism includes a second main shaft screw 122. A tire width capacity adjusting screw 123 corresponding to the second main shaft screw 122 is threadedly inserted into the second brake arm body 103. One end of the second main shaft screw 122 is threadedly sleeved with a second main shaft locknut 129. A second main shaft light gasket 121 is sleeved on the second main shaft screw 122. One end of the second main shaft screw 122 close to the second main shaft locknut 129 is sleeved with a second right steel sleeve 125, a second right concave-convex steel bushing 124 and a second brake arm thrust bearing ball 132. A third bearing track pad 131 and a fourth bearing track pad 133 are respectively arranged on both sides of the second brake arm thrust bearing ball 132.

[0029] In this embodiment, through the setting of the structure that the bearing and the bearing track pad sink into the main body, the service life of the brake is effectively improved, and at the same time, the braking force and the braking experience of the brake are improved.

[0030] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, making equivalent substitutions or changes, shall be covered by the protection scope of the present utility model.

Claims

1. A lightweight bicycle V-rim brake, comprising a main body seat (101), a first brake arm body (102), a second brake arm body (103), a first brake pad body (504) and a second brake pad body (510), characterized in that: The first brake arm body (102) and the second brake arm body (103) are rotatably connected to the main body seat (101), respectively; the first brake pad body (504) and the second brake pad body (510) are fixedly connected to the first brake arm body (102) and the second brake arm body (103), respectively; an action track balancing bracket (105) and an action track bearing bracket (104) corresponding to the first brake arm body (102) and the second brake arm body (103) are arranged in the main body seat (101); a brake fixing screw (106) is fixedly connected to the bottom of the main body seat (101); a brake fixing nut (108) is threadedly sleeved on the brake fixing screw (106); A brake line adjustment screw (305) is threadedly inserted into one end of the first brake arm body (102) away from the first brake pad body (504); a brake line adjustment locking screw sleeve (303) and a brake line ball-shaped shaft seat anti-slip nut (302) are threadedly sleeved on one end of the brake line adjustment screw (305); a brake line ball-shaped flat shaft seat (301) is fixedly inserted into the first brake arm body (102); and a brake line adjustment return spring (304) is provided between the brake line adjustment screw (305) and the brake line adjustment locking screw sleeve (303); One end of the second brake arm body (103) away from the second brake pad body (510) is fixedly connected to a brake wire fixing seat (207); a brake wire pressing plate (208) is fixedly connected to the brake wire fixing seat (207) via a brake wire pressing screw (209); one end of the brake wire fixing seat (207) is fixedly connected to a water drop adjustment handle (201); a brake wire fixing seat limiting pad (206) is fixedly connected to the water drop adjustment handle (201) via a water drop adjustment handle locking screw (202); a locking spring steel ball screw (205) is threadedly inserted on the water drop adjustment handle (201); and a locking steel ball (203) and a locking spring (204) are provided on the locking spring steel ball screw (205).

2. A lightweight bicycle V-rim brake according to claim 1, characterized in that: The first brake arm body (102) is rotatably connected to the body seat (101) via a first spindle mechanism, the first spindle comprising a first spindle screw (112), a first spindle anti-loosening nut (120) being threadedly sleeved on the first spindle screw (112), a first spindle smooth washer (111) and a first left concave-convex steel sleeve (113) being sleeved on the first spindle screw (112), and one end of the first spindle screw (112) close to the first spindle anti-loosening nut (120) being sleeved on the first spindle screw (112). A first spindle thrust bearing ball (118), a first bearing track pad (117) and a second bearing track pad (119) are provided. The first spindle thrust bearing ball (118), the first bearing track pad (117) and the second bearing track pad (119) are all embedded in a main body seat (101). A torsion spring (115) is sleeved on the first spindle screw (112). The two ends of the torsion spring (115) are respectively sleeved with a torsion spring upper sleeve (114) and a torsion spring lower sleeve (116).

3. The lightweight bicycle V-rim brake according to claim 1, characterized in that: The second brake arm body (103) is rotatably connected to the body seat (101) via a second spindle mechanism, wherein the second spindle mechanism comprises a second spindle screw (122), a tire width capacity adjustment screw (123) corresponding to the second spindle screw (122) is threadedly inserted on the second brake arm body (103), a second spindle anti-loosening nut (129) is threadedly sleeved on one end of the second spindle screw (122), a second spindle smooth gasket (121) is sleeved on the second spindle screw (122), a second right steel sleeve (125), a second right concave-convex steel sleeve (124) and a second brake arm thrust bearing ball (132) are sleeved on one end of the second spindle screw (122) close to the second spindle anti-loosening nut (129), and a third bearing track pad (131) and a fourth bearing track pad (133) are respectively provided on both sides of the second brake arm thrust bearing ball (132).

4. A lightweight bicycle V-rim brake according to claim 1, characterized in that: One end of the motion track bearing bracket (104) is rotatably connected to a track bearing thread rolling shaft (110) via a needle bearing (109).

5. The lightweight bicycle V-rim brake according to claim 1, characterized in that: One side of the first brake pad body (504) is fixedly connected to the first brake pad (503) via a plurality of first brake pad fixing screws (508); a first brake pad fixing screw (507) is threadedly inserted on the side of the first brake pad body (504) away from the first brake pad (503); a first brake pad gasket (506) and a first brake pad universal pad (505) are sleeved on the first brake pad fixing screw (507).

6. A lightweight bicycle V-rim brake according to claim 1, characterized in that: One side of the second brake shoe body (510) is fixedly connected to the second brake shoe (509) via a plurality of second brake shoe fixing screws (514); a second brake shoe fixing screw (513) is threadedly inserted on the side of the second brake shoe body (510) away from the second brake shoe (509); a second brake shoe gasket (512) and a second brake shoe universal pad (511) are sleeved on the second brake shoe fixing screw (513).

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