Brake cable adjusting mechanism and brake device

Abstract

The utility model provides a brake cable adjusting mechanism and a brake device, and relates to the technical field of brake cable adjusting mechanisms and brake devices. The brake cable adjusting mechanism comprises a rocker arm plate and an adjusting piece. One end of the rocker arm plate is provided with a mounting hole for mounting a brake disc, and the other end of the rocker arm plate is provided with an inner ratchet; the adjusting piece comprises a connecting rod part and a ratchet wheel part which are connected; the connecting rod part is rotatably arranged at the other end of the rocker arm plate and is used for fixing and winding a brake cable; the ratchet wheel part is connected with the inner ratchets in a meshed mode, and the ratchet wheel part is provided with a rotation limiting structure which is used for being matched with a tool to tighten the brake cable in a one-way rotation mode. The utility model further relates to a brake device which comprises the brake cable adjusting mechanism. The brake cable adjusting mechanism and the brake device solve the technical problem that an existing adjusting mechanism is relatively complex and strenuous in adjusting operation.

Description

Technical Field

[0001] The utility model relates to the technical field of a brake wire regulating mechanism and a brake device, in particular to a brake wire regulating mechanism and a brake device. Background Art

[0002] The expansion brake is a common braking device, often used on the rear wheels of electric vehicles. Its working principle is to pull the follow-up brake through the brake line to stop the wheel from rotating.

[0003] After the existing expansion brake device has been used for a period of time, the brake wire will become loose, and the tightness of the brake wire needs to be increased. When adjusting, it is necessary to first loosen the fastening nut with a wrench, then pull the brake wire outward a little, and finally tighten the nut with a wrench. The above adjustment operation is relatively complicated and laborious, and needs further improvement. Utility Model Content

[0004] The purpose of the utility model is to provide a brake wire adjustment mechanism and a brake device, which solve the above-mentioned technical problems.

[0005] Utility model solution:

[0006] In the first aspect, the utility model provides a brake wire adjustment mechanism, including a rocker plate and an adjusting member; one end of the rocker plate is provided with a mounting hole for mounting on a brake disc, and the other end thereof is provided with an internal ratchet; the adjusting member includes a connected connecting rod portion and a ratchet portion; the connecting rod portion is rotatably arranged at the other end of the rocker plate, for fixing and winding the brake wire; the ratchet portion is meshed and connected with the internal ratchet, and the ratchet portion is provided with a rotation limiting structure, which is used to cooperate with a tool to unidirectionally rotate and tighten the brake wire.

[0007] Furthermore, a ratchet plate portion is provided at the other end of the rocker arm plate, the inner ratchet is opened on the ratchet plate portion, and the connecting rod portion is rotatably arranged on the ratchet plate portion.

[0008] Furthermore, the ratchet plate portion is provided with a receiving groove, the inner ratchet is provided on the groove wall of the receiving groove, the ratchet portion is at least partially received in the receiving groove, and the connecting rod portion is passed through the groove bottom of the receiving groove.

[0009] Furthermore, a mounting plate portion is provided at the other end of the rocker plate, and the connecting rod portion is rotatably disposed on the mounting plate portion.

[0010] Furthermore, a gate wire plate portion is provided at the other end of the rocker arm plate, and a gate wire hole is provided at the gate wire plate portion, and the gate wire hole is located at one side of the connecting rod portion.

[0011] Furthermore, it also includes a limiting member, which is arranged at one of the other end of the rocker plate and the connecting rod portion, and is axially limited to the other end to prevent the connecting rod portion from separating from the rocker plate.

[0012] Furthermore, it also includes a spring. The adjusting member is axially movably arranged at the other end of the rocker arm plate. The spring is arranged between the other end of the rocker arm plate and the adjusting member, and is used to automatically reset the ratchet part to the inner ratchet tooth for engagement.

[0013] Beneficial effects:

[0014] The utility model provides a brake wire adjustment mechanism. When tightening and adjusting, a tool is installed on the rotation limiting structure on the ratchet part, and the connecting rod part can be directly rotated in the positive direction to wind and tighten the brake wire. After adjustment, the ratchet part is reversely engaged with the inner ratchet under the action of tension. Compared with the existing structure, the above-mentioned adjustment structure does not need to pull the brake wire separately, and can be directly rotated to tighten, so the adjustment operation is relatively simple and labor-saving.

[0015] In the second aspect, the utility model also provides a brake device, including a brake disc, and a brake pad adjustment mechanism and the above-mentioned brake wire adjustment mechanism installed on the brake disc; the brake pad adjustment mechanism includes an adjustment bowl, an adjustment wire and a protective cap, the adjustment bowl and the adjustment wire are arranged on the brake disc and abut against each other, and the protective cap cover is arranged on the adjustment bowl and covers the adjustment wire.

[0016] Beneficial effects:

[0017] The utility model further provides a brake device, including the above-mentioned brake wire adjustment mechanism. Therefore, the effects and advantages of the brake device also include the effects and advantages of the brake wire adjustment mechanism, which will not be repeated here. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 A schematic diagram of the structure of the brake device provided in this embodiment;

[0020] Figure 2 A partial structural schematic diagram of the brake wire adjustment mechanism provided in this embodiment;

[0021] Figure 3A structural schematic diagram of the end view of the brake wire adjustment mechanism provided in this embodiment;

[0022] Figure 4 Another structural schematic diagram of the end view of the brake wire adjustment mechanism provided in this embodiment.

[0023] icon:

[0024] 100- rocker plate; 110- inner ratchet; 120- ratchet plate portion; 121- receiving groove; 130- mounting plate portion; 140- brake wire plate portion; 141- brake wire hole;

[0025] 200-adjusting member; 210-connecting rod portion; 220-ratchet portion; 221-rotation limiting structure;

[0026] 300-limiting part; 400-spring; 500-brake disc; 600-protective cap. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. The components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0028] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0030] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are the directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model.

[0031] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0033] This embodiment provides a brake wire adjustment mechanism, please refer to Figure 1-4 As shown, it includes a rocker plate 100 and an adjusting member 200; one end of the rocker plate 100 is provided with a mounting hole for mounting on a brake disc 500, and the other end thereof is provided with an internal ratchet 110; the adjusting member 200 includes a connected connecting rod portion 210 and a ratchet portion 220; the connecting rod portion 210 is rotatably arranged at the other end of the rocker plate 100, and is used to fix and wind the brake line; the ratchet portion 220 is meshed and connected with the internal ratchet 110, and the ratchet portion 220 is provided with a rotation limiting structure 221, which is used to cooperate with a tool to unidirectionally rotate and tighten the brake line.

[0034] Specifically, the rotation setting of the connecting rod part 210 can adopt a variety of structures. Specifically, a structure of rotation and axial limitation can be adopted; wherein, the end of the brake wire is fixed to the connecting rod part 210. Specifically, the brake wire can be passed through the connecting rod part 210 and then fixed with screws or limited by blocks, or it can be passed through and then fixed after winding; wherein, for the structure of the meshing connection of the internal ratchet 110, in addition to the structure shown in the figure, the internal ratchet 110 can also be a full-tooth structure, and the ratchet part 220 can be a single-tooth or partial several-tooth structure. The internal ratchet meshing structure can only be rotated in one direction (that is, the above-mentioned positive direction, the clockwise direction shown in the figure) to increase the tightness of the brake wire; wherein the rotation limiting structure 221 can adopt an inner concave structure such as a cross slot, a regular hexagonal slot or an outer convex structure such as a hexagonal column, so as to be used in conjunction with a screwdriver or a wrench. In addition, under normal circumstances, it is only necessary to tighten the brake wire, and when adjusting, it is sufficient to rotate one or fewer teeth each time; in addition, in a few cases, if it is adjusted too much, it is necessary to loosen or remove the axial limit structure, or press the adjustment member 200 to overcome the elastic force of the spring 400 to move axially to disengage and call back.

[0035] In this embodiment, a ratchet plate portion 120 is disposed at the other end of the rocker arm plate 100 , the inner ratchet 110 is disposed on the ratchet plate portion 120 , and the connecting rod portion 210 is rotatably disposed on the ratchet plate portion 120 .

[0036] Specifically, the inner ratchet 110 may be provided on the outer side of the ratchet plate portion 120 , and at the same time, a limiting tube portion may be protruded on the inner side thereof to increase the stability of rotation, so that the connecting rod portion 210 may be rotatably disposed through the ratchet plate portion 120 .

[0037] In this embodiment, the ratchet plate portion 120 is provided with a receiving groove 121 , the inner ratchet 110 is provided on the groove wall of the receiving groove 121 , the ratchet portion 220 is at least partially received in the receiving groove 121 , and the connecting rod portion 210 is passed through the groove bottom of the receiving groove 121 .

[0038] Specifically, the bottom of the receiving groove 121 can support and limit the ratchet portion 220. At this time, the connecting rod portion 210 is inserted into the bottom of the groove, and the protruding portion thereof can be provided with a limiting member 300. Figure 3 The limiting ring is limited at the other side of the ratchet plate portion 120, so as to achieve axial bidirectional movement limitation of the adjusting member 200, and also prevent the adjusting member 200 from axially disengaging.

[0039] In this embodiment, a mounting plate portion 130 is further provided at the other end of the rocker plate 100 , and the connecting rod portion 210 is rotatably disposed on the mounting plate portion 130 .

[0040] Specifically, the mounting plate portion 130 is preferably disposed at a corresponding interval to the ratchet plate portion 120. When the connecting rod portion 210 is simultaneously passed through the two plate portions, the structural strength and stability of the rotating structure can be further increased.

[0041] In this embodiment, a brake wire plate portion 140 is further provided at the other end of the rocker arm plate 100 . The brake wire plate portion 140 is provided with a brake wire hole 141 . The brake wire hole 141 is located at one side of the connecting rod portion 210 .

[0042] Specifically, the brake wire hole 141 is used to guide the brake wire to the connecting rod portion 210, so as to facilitate winding and tightening of the brake wire.

[0043] In this embodiment, a limiter 300 is further included. The limiter 300 is disposed at one of the other end of the rocker plate 100 and the connecting rod portion 210 and is axially limited at the other end to prevent the connecting rod portion 210 from being separated from the rocker plate 100 .

[0044] Specifically, the limit member 300, that is, the above-mentioned limit structure, can adopt a variety of structures, optionally, screws, ring plates, U-shaped cards or limit rods and other structures, wherein one end of the limit member 300 can be fixed to the other end of the rocker plate 100, and the other end can be limited between the annular grooves or annular protrusions on the connecting rod part 210, or fixed to the connecting rod part 210 and limited to the rocker plate 100, that is, the above-mentioned limit member 300 can be flexibly set at the other end of the rocker plate 100 or the adjusting member 200, and can also be flexibly set at different positions of the same component, as long as the above-mentioned axial two-way limitation is completed, that is, separation is avoided.

[0045] In this embodiment, a spring 400 is further included. The adjusting member 200 is axially movably arranged at the other end of the rocker plate 100. The spring 400 is arranged between the other end of the rocker plate 100 and the adjusting member 200, and is used to automatically reset the ratchet part 220 to the inner ratchet 110 for engagement.

[0046] Specifically, the spring 400 can be arranged at different positions of the adjusting member 200, and its elastic force acts between the adjusting member 200 and the other end of the rocker arm plate 100, so that the ratchet portion 220 automatically resets the ratchet teeth 110 inwardly to engage; specifically, the spring 400 can be arranged between the ratchet portion 220 and the ratchet plate portion 120, at this time, the ratchet portion 220 can be disengaged by pressing, and the engagement can be automatically reset after releasing (that is, the engagement is maintained in the reset state); the spring 400 can also be arranged between the inner side of the ratchet plate portion 120 and the connecting rod portion 210, such as Figure 4 As shown, under the action of the spring 400, the connecting rod portion 210 pulls the ratchet portion 220 downward to abut against the ratchet plate portion 120 and engage with the inner ratchet 110. At this time, pushing the connecting rod portion upward to overcome the elastic force can cause the adjusting member 200 to disengage, wherein the brake wire can be wrapped around a limiting member or a limiting structure such as the lower side of the protrusion.

[0047] This embodiment also provides a brake device, please refer to Figure 1 As shown, it includes a brake disc 500, and a brake shoe adjustment mechanism and the above-mentioned brake wire adjustment mechanism installed on the brake disc 500; the brake shoe adjustment mechanism includes an adjustment bowl, an adjustment wire and a protective cap 600, the adjustment bowl and the adjustment wire are arranged on the brake disc 500 and abut against each other, and the protective cap 600 covers the adjustment bowl and covers the adjustment wire.

[0048] Specifically, compared with the existing round cover type protective cap, the protective cap 600 can cover the adjusting wire together, thereby improving the protective effect; in addition, the protective cap 600 does not cover the outer adjusting end of the adjusting wire.

[0049] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A brake wire adjustment mechanism, characterized in that: It comprises a rocker plate (100) and an adjusting member (200); One end of the rocker plate (100) is provided with a mounting hole for mounting on the brake disc (500), and the other end thereof is provided with an inner ratchet (110); The adjusting member (200) comprises a connecting rod portion (210) and a ratchet portion (220) connected to each other; the connecting rod portion (210) is rotatably arranged at the other end of the rocker arm plate (100) for fixing and winding the brake wire; the ratchet portion (220) is meshedly connected with the inner ratchet (110), and the ratchet portion (220) is provided with a rotation limiting structure (221) for cooperating with a tool to unidirectionally rotate and tighten the brake wire.

2. A brake wire adjustment mechanism according to claim 1, characterized in that: The other end of the rocker arm plate (100) is provided with a ratchet plate portion (120), the inner ratchet (110) is opened on the ratchet plate portion (120), and the connecting rod portion (210) is rotatably arranged on the ratchet plate portion (120).

3. A brake wire adjustment mechanism according to claim 2, characterized in that: The ratchet plate portion (120) is provided with a receiving groove (121), the inner ratchet (110) is provided on the groove wall of the receiving groove (121), the ratchet wheel portion (220) is at least partially received in the receiving groove (121), and the connecting rod portion (210) is passed through the groove bottom of the receiving groove (121).

4. A brake wire adjustment mechanism according to claim 2, characterized in that: The other end of the rocker arm plate (100) is further provided with a mounting plate portion (130), and the connecting rod portion (210) is rotatably arranged on the mounting plate portion (130).

5. A brake wire adjustment mechanism according to any one of claims 1 to 4, characterized in that: The other end of the rocker arm plate (100) is also provided with a gate wire plate portion (140), and the gate wire plate portion (140) is provided with a gate wire hole (141), and the gate wire hole (141) is located on one side of the connecting rod portion (210).

6. A brake wire adjustment mechanism according to any one of claims 1 to 4, characterized in that: The invention also comprises a limiting member (300), which is arranged at one of the other end of the rocker plate (100) and the connecting rod portion (210) and is axially limited at the other end to prevent the connecting rod portion (210) from being separated from the rocker plate (100).

7. A brake wire adjustment mechanism according to any one of claims 1 to 4, characterized in that: The invention also comprises a spring (400), wherein the adjusting member (200) is axially movably arranged at the other end of the rocker arm plate (100), and the spring (400) is arranged between the other end of the rocker arm plate (100) and the adjusting member (200), and is used to automatically reset the ratchet part (220) to the inner ratchet tooth (110) for meshing.

8. A brake device, characterized in that: It comprises a brake disc (500), a brake block adjustment mechanism installed on the brake disc (500) and a brake wire adjustment mechanism according to any one of claims 1 to 4; The brake block adjustment mechanism comprises an adjustment bowl, an adjustment wire and a protective cap (600); the adjustment bowl and the adjustment wire are arranged on the brake disc (500) and are in abutment with each other; the protective cap (600) is covered on the adjustment bowl and covers the adjustment wire.

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