Brake pad fixing structure

Abstract

The utility model relates to the technical field of brake pads, in particular to a brake pad fixing structure. Comprising a brake pad base and a connecting disc, a friction block adheres to the outer side of the brake pad base, the connecting disc is installed in the middle of the brake pad base, a threaded rod is welded to the upper portion of the connecting disc, the top of the threaded rod is in threaded connection with a reinforcing nut, and a connecting lantern ring is connected to the lower portion of the reinforcing nut; the outer side of the connecting lantern ring is connected with a connecting rod through a rotating shaft, the end, away from the connecting lantern ring, of the connecting rod is connected with an elastic limiting plate through a rotating shaft, and riveting rods are circumferentially installed above the connecting disc. The fastening nut is rotated to ascend, the fastening nut is unfolded outwards under the self elasticity of the elastic limiting plate and pushing of the connecting rod to fix the position of the brake pad base, then the brake pad is fixed, the mode does not completely depend on the self elasticity of the buckle, normal use of the brake pad can be guaranteed through pushing of the connecting rod, and the service life of the brake pad is prolonged. The phenomenon that the brake pad shakes is reduced, and the service life of the brake pad is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to brake pad technical field, concretely is a brake pad fixing structure. BACKGROUND

[0002] Brake pad, in the braking system of car, brake pad is the most critical safety part, and all brake effects are good or bad are the decisive role of brake pad, generally by steel sheet, bonding heat insulation layer and friction block constitute, the existing brake pad is generally installed on the brake caliper through the buckle on the floating brake device, but the position of brake pad is prone to slight wobble after buckle installation, and then easily leads to eccentric wear etc. UTILITARIAN CONTENT

[0003] In view of above problem, the utility model's purpose lies in: provide a brake pad fixing structure, solve the existing brake pad is generally installed on the brake caliper through the buckle on the floating brake device, but the position of brake pad is prone to slight wobble after buckle installation, and then easily leads to eccentric wear etc.

[0004] To realize above purpose, the utility model adopts technical scheme: a brake pad fixing structure, including brake pad base and connecting disc, the outside of brake pad base is bonded with friction block, the middle part of brake pad base is installed with connecting disc, and the top of connecting disc is welded with threaded rod, the top of threaded rod is connected with reinforcing nut in screw thread, and the lower part of reinforcing nut is connected with connecting sleeve ring, the outside of connecting sleeve ring is connected with connecting rod through pivot, and the end of connecting rod away from connecting sleeve ring is connected with elastic limit plate through pivot, and the top of connecting disc is installed with riveting rod in circumference.

[0005] The utility model has the advantages that: rotating reinforcing nut ascends, and the position of brake pad base is fixed outwardly unfolded under the pushing of elastic limit plate's own elasticity and connecting rod, and then the fixing of brake pad is completed, and the normal use of brake pad can be guaranteed through the pushing of connecting rod by not depending on the elasticity of buckle itself completely, the phenomenon that brake pad shakes is reduced, and the service life of brake pad is guaranteed.

[0006] In order to facilitate connecting sleeve ring to push connecting rod to move:

[0007] As the further improvement of the above technical scheme: the connecting disc and threaded rod adopt the setting of coinciding with the axis.

[0008] The improvement has the beneficial effects that: the setting of coinciding with the axis can make reinforcing nut push connecting sleeve ring to move along threaded rod more accurately, and then guarantee the stability of connecting sleeve ring to push connecting rod to move.

[0009] In order to avoid the rotation of the connecting sleeve ring:

[0010] As a further improvement of the above technical solution: the reinforcing nut and the connecting sleeve ring are rotationally connected.

[0011] The beneficial effect of this improvement is that the rotational connection between the connecting sleeve ring and the reinforcing nut can prevent the connecting sleeve ring from rotating with the reinforcing nut when the reinforcing nut is lowered along the threaded rod.

[0012] In order to facilitate the lifting and lowering of the connecting sleeve ring:

[0013] As a further improvement of the above technical solution: the connecting sleeve ring and the threaded rod are connected by sleeving.

[0014] The beneficial effect of this improvement is that the sleeving connection can make the lifting and lowering of the connecting sleeve ring more reliable and stable.

[0015] In order to facilitate the expansion and contraction of the elastic limiting plate:

[0016] As a further improvement of the above technical solution: the connecting rods are distributed circumferentially on the outer side of the connecting sleeve ring.

[0017] As a further improvement of the above technical solution: the elastic limiting plates are circumferentially distributed on the upper end of the connecting disc, and the elastic limiting plates and the connecting disc are integrally formed.

[0018] The beneficial effect of this improvement is that the circumferentially distributed connecting rods can cooperate with the circumferentially distributed elastic limiting plates, one-to-one correspondence, thereby facilitating the contraction and expansion of the elastic limiting plate with the lifting and lowering of the connecting sleeve ring.

[0019] In order to ensure the fixing effect of the elastic limiting plate on the brake pad base:

[0020] As a further improvement of the above technical solution: the elastic limiting plate is arranged in an inverted "J" shape.

[0021] The beneficial effect of this improvement is that the inverted "J" shape can firmly fix the elastic limiting plate and the brake caliper, ensuring the fixing effect of the elastic limiting plate on the brake pad base.

[0022] In order to facilitate the connection of the connecting disc and the brake pad base:

[0023] As a further improvement of the above technical solution: the number of riveting rods is four.

[0024] The beneficial effect of this improvement is that the four riveting rods can ensure the connection strength of the connecting disc and the brake pad base. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a schematic view of the overall front structure.

[0026] Figure 2 It is the whole left view structural schematic diagram.

[0027] Figure 3 It is the first axis measurement enlarged structural schematic diagram of connecting disc and elastic limiting plate.

[0028] Figure 4 It is the second axis measurement enlarged structural schematic diagram of connecting disc and elastic limiting plate.

[0029] Figure 5 It is the sectional view structural schematic diagram of connecting disc.

[0030] In the figure: 1, brake pad base; 11, friction block; 2, connecting disc; 21, threaded rod; 22, reinforcing nut; 23, connecting sleeve ring; 24, connecting rod; 3, elastic limiting plate; 4, riveting rod. DETAILED DESCRIPTION

[0031] In order to make the person skilled in the art better understand the technical scheme of the utility model, the utility model is described in detail below in combination with the drawings, and the description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the utility model.

[0032] As Figures 1-5As shown, a brake pad fixing structure, including brake pad base 1 and connecting disc 2, the outer side of the brake pad base 1 is bonded with friction block 11, the connecting disc 2 is installed in the middle part of the brake pad base 1, and the upper part of the connecting disc 2 is welded with threaded rod 21, the top of the threaded rod 21 is threadedly connected with reinforcing nut 22, and the lower part of the reinforcing nut 22 is connected with connecting sleeve ring 23, the outer side of the connecting sleeve ring 23 is connected with connecting rod 24 through the rotating shaft, and the end of the connecting rod 24 away from the connecting sleeve ring 23 is connected with elastic limiting plate 3 through the rotating shaft, the connecting disc 2 is circumferentially installed with riveting rod 4, the rotating reinforcing nut 22 rises, and under the pushing of the elastic limiting plate 3 and the connecting rod 24, it expands outward to fix the position of the brake pad base 1, thereby completing the fixing of the brake pad, and this way does not completely rely on the elasticity of the buckle itself, but can ensure the normal use of the brake pad by the pushing of the connecting rod 24, reduce the phenomenon of shaking of the brake pad, and ensure the service life of the brake pad, the connecting disc 2 and the threaded rod 21 are coaxially arranged, the coaxial arrangement can make the reinforcing nut 22 push the connecting sleeve ring 23 to move along the threaded rod 21 more accurately, thereby ensuring the stability of the connecting sleeve ring 23 pushing the connecting rod 24 to move, the reinforcing nut 22 and the connecting sleeve ring 23 are rotatably connected, when the reinforcing nut 22 rotates downward along the threaded rod 21, the rotatable connection between the connecting sleeve ring 23 and the reinforcing nut 22 can prevent the connecting sleeve ring 23 from rotating with the reinforcing nut 22, the connecting sleeve ring 23 and the threaded rod 21 are connected in a sleeve connection, which can make the connecting sleeve ring 23 rise and fall with the reinforcing nut 22 more reliably and stably, the connecting rod 24 is circumferentially distributed on the outer side of the connecting sleeve ring 23, the elastic limiting plate 3 is circumferentially distributed on the upper end of the connecting disc 2, and the elastic limiting plate 3 and the connecting disc 2 are integrally formed, the circumferentially distributed connecting rod 24 can cooperate with the circumferentially distributed elastic limiting plate 3, and the two are one-to-one corresponding, thereby facilitating the connecting rod 24 to drive the elastic limiting plate 3 to contract and expand with the connecting sleeve ring 23, the elastic limiting plate 3 is arranged in an inverted "J" shape, which can firmly fix the elastic limiting plate 3 and the brake caliper, and ensure the fixing effect of the elastic limiting plate 3 on the brake pad base 1, the number of riveting rods 4 is four, and the four riveting rods 4 can ensure the connecting strength of the connecting disc 2 and the brake pad base 1.

[0033] The working principle of the utility model is as follows: when the device is used, the reinforcing nut 22 is rotated downward, the reinforcing nut 22 pushes the connecting sleeve ring 23 to descend, and then the connecting rod 24 pulls the elastic limiting plate 3 inward, at this time, after the elastic limiting plate 3 is inserted into the mounting hole, the reinforcing nut 22 is rotated upward, and the elastic limiting plate 3 is expanded outward under the self elasticity and the pushing of the connecting rod 24 to fix the position of the brake pad base 1, and then the fixing of the brake pad is completed, the normal use of the brake pad can be ensured by the pushing of the connecting rod 24 without depending on the elasticity of the buckle itself, the phenomenon of shaking of the brake pad is reduced, and the service life of the brake pad is ensured.

[0034] It should be noted that in this document, the terms "comprise", "comprising", or any other variant thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0035] The principles and implementation modes of the utility model are described by specific examples in this document, and the above examples are only used to help understand the method and core idea of the utility model. The above description is only the preferred implementation mode of the utility model, and it should be pointed out that due to the limited expression, there are infinite specific structures objectively, and for ordinary technical personnel in this technical field, some improvements, decorations or changes can be made without departing from the principles of the utility model, and the above technical features can also be combined in an appropriate way; these improvements, decorations, changes or combinations, or the direct application of the concept and technical scheme of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. A brake pad fixing structure, comprising a brake pad base (1) and a connecting disc (2), characterized in that: Friction blocks (11) are bonded to the outer side of the brake pad base (1). The connecting disc (2) is installed in the middle part of the brake pad base (1). A threaded rod (21) is welded above the connecting disc (2). A reinforcing nut (22) is threaded to the top of the threaded rod (21). A connecting collar (23) is connected to the bottom of the reinforcing nut (22). A connecting rod (24) is connected to the outer side of the connecting collar (23) through a rotating shaft. An elastic limiting plate (3) is connected to the end of the connecting rod (24) away from the connecting collar (23) through a rotating shaft. A riveting rod (4) is installed circumferentially above the connecting disc (2).

2. The brake pad fixing structure according to claim 1, characterized in that: The connecting disc (2) and the threaded rod (21) are arranged with their axes coincident.

3. The brake pad fixing structure according to claim 1, characterized in that: The reinforcing nut (22) and the connecting collar (23) are rotatably connected.

4. The brake pad fixing structure according to claim 1, characterized in that: The connecting collar (23) and the threaded rod (21) are connected by a sleeve.

5. The brake pad fixing structure according to claim 1, characterized in that: The connecting rod (24) is circumferentially distributed on the outside of the connecting collar (23).

6. The brake pad fixing structure according to claim 1, characterized in that: The elastic limiting plate (3) is circumferentially distributed on the upper end of the connecting plate (2), and the elastic limiting plate (3) and the connecting plate (2) are integrally formed.

7. The brake pad fixing structure according to claim 1, characterized in that: The elastic limiting plate (3) is arranged in an inverted "J" shape.

8. The brake pad fixing structure according to claim 1, characterized in that: The number of the rivet rods (4) is four.

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