Brake back plate with good damping performance

By incorporating a silicone sound insulation layer, a heat insulation layer, and a conical block structure on the brake backplate, combined with adhesive and an L-shaped spring design, the problem of unstable friction pad adhesion was solved, resulting in higher bonding strength and service life, and improved shock absorption and noise reduction.

CN224107588UActive Publication Date: 2026-04-10JINHUA FENGYUAN AUTO PARTS
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-13
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing brake backplates lack effective adhesive positioning and bonding strength between the friction pads and the backplate, resulting in the friction pads being prone to detachment and having a short service life.

Method used

The front of the steel backing is equipped with a silicone sound insulation layer and a heat insulation layer. The design of matching the conical block with the frustum-shaped hole, combined with adhesive, ensures the stable bonding of the silicone sound insulation layer, heat insulation layer and friction material. At the same time, L-shaped springs and internal hex bolts are used to enable the detachable installation and replacement of the friction material.

Benefits of technology

It improves the shock absorption, noise reduction, and heat insulation of the brake backplate, enhances the bonding strength, ensures accurate adhesion and service life of the friction material, and facilitates the replacement of the friction material.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of brake back plates, and discloses a brake back plate with good shock absorption performance, which comprises a steel back body, a silica gel sound insulation layer, a heat insulation layer and a friction material body which are matched are sequentially arranged on the front side of the steel back body, and a plurality of conical blocks are integrally formed on the front side of the steel back body in a casting mode. A plurality of first circular-truncated-cone-shaped holes matched with the conical blocks are formed in the silica gel sound insulation layer, a plurality of second circular-truncated-cone-shaped holes matched with the conical blocks are formed in the heat insulation layer, and a plurality of conical holes matched with the conical blocks are formed in the rear side of the friction material body. The brake back plate has good shock absorption performance, mute performance and heat insulation performance, through the conical blocks, the first circular-truncated-cone-shaped holes, the second circular-truncated-cone-shaped holes and the conical holes, the effect of pasting and positioning the silica gel sound insulation layer, the heat insulation layer and the friction material body can be achieved, pasting accuracy is guaranteed, and the service life of the brake back plate is prolonged. And the bonding strength of the silica gel sound insulation layer, the heat insulation layer and the friction material body can be improved, and the service life is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to brake backplate technical field, concretely is a brake backplate that good shock attenuation nature. BACKGROUND

[0002] The brake pad is mainly composed of a backplate, an adhesive layer and a friction material, the backplate serves as a supporting structure of the brake pad, is used for fixing the friction material and provides a stable braking basis, the adhesive layer is located between the backplate and the friction material, is responsible for firmly adhering the two, and the friction material serves as a core braking component, when braking, the friction material is pressed onto a brake disc or drum, kinetic energy is converted into heat energy through friction, and deceleration and parking are realized.

[0003] The patent document with the published announcement number CN218882845U discloses a brake backplate with good shock attenuation, the shock attenuation frame of the published patent document can buffer and attenuate the backplate body, through the cooperation of the shock attenuation sheet, the enveloping shock attenuation capacity is realized, the service life of the shock attenuation structure is improved, the service life of the backplate body is further improved, the brake effect of the brake backplate is ensured, traffic safety accidents are avoided, through the setting of the buffer groove, a certain buffer and shock attenuation capacity is realized, the buffer column can greatly improve the buffer capacity of the top fixed edge strip, and the overall shock attenuation strength is improved. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a brake backplate with good shock attenuation, and solves the problems in the background art.

[0005] The utility model discloses a brake backplate with good shock attenuation, which comprises a steel back body, a silica gel sound insulation layer, a heat insulation layer and a friction material body are sequentially arranged on the front side of the steel back body, a plurality of conical blocks are integrally formed on the front side of the steel back body by casting, a plurality of circular truncated cone type holes one matched with the conical blocks are formed in the silica gel sound insulation layer, a plurality of circular truncated cone type holes two matched with the conical blocks are formed in the heat insulation layer, a plurality of conical holes matched with the conical blocks are arranged on the back side of the friction material body, the conical blocks pass through the circular truncated cone type holes one and the circular truncated cone type holes two, and the end of the conical blocks is located in the conical holes, and adhesive is coated between the steel back body and the silica gel sound insulation layer, between the silica gel sound insulation layer and the heat insulation layer, and between the heat insulation layer and the friction material body.

[0006] By adopting the technical scheme, the silica gel sound insulation layer makes the brake back plate have shock absorption and quietness, the heat insulation layer reduces the heat transferred from the friction material body to the silica gel sound insulation layer and the steel back body during braking, the conical blocks pass through the corresponding circular truncated cone hole one and circular truncated cone hole two, and the end is inserted into the conical hole, which can play a role of sticking and positioning, and can increase the bonding strength of the sticking glue.

[0007] Optionally, the two sides of the front part of the steel back body are provided with L-shaped elastic sheets, and the L-shaped elastic sheets are matched with the friction material body.

[0008] By adopting the technical scheme, the L-shaped elastic sheet can remind the replacement of the brake pad when the friction material body is worn out.

[0009] Optionally, the number of the conical blocks, the circular truncated cone hole one, the circular truncated cone hole two and the conical hole is equal, and each of the conical blocks corresponds to each of the circular truncated cone hole one, the circular truncated cone hole two and the conical hole.

[0010] By adopting the technical scheme, the one-to-one correspondence of the conical blocks, the circular truncated cone hole one, the circular truncated cone hole two and the conical hole ensures the stability of the bonding of the silica gel sound insulation layer, the heat insulation layer and the friction material body at each position.

[0011] Optionally, threaded holes are formed in the two sides of the steel back body, a circular hole is formed in the L-shaped elastic sheet, an internal hexagonal bolt passes through the inside of the circular hole, and the internal hexagonal bolt is matched with the threaded hole.

[0012] By adopting the technical scheme, one end of the internal hexagonal bolt passes through the circular hole and is screwed into the inside of the threaded hole, so that the installation of the L-shaped elastic sheet is completed.

[0013] Optionally, a matching inclined sheet is welded on the inner wall of the L-shaped elastic sheet.

[0014] By adopting the technical scheme, the inclined sheet can increase the strength of the L-shaped elastic sheet, prevent the L-shaped elastic sheet from being bent due to other factors, and affect the reminding effect.

[0015] Optionally, two piston holes are formed in the steel back body.

[0016] By adopting the technical scheme, the contact points of the brake piston and the steel back body are provided, and the stability of the movement of the steel back body is ensured.

[0017] Compared with the prior art, the technical scheme of the present application has the following advantages:

[0018] 1. The brake back plate of the technical scheme has good shock absorption, quietness and heat insulation, and through the conical block, the circular table type hole one, the circular table type hole two and the conical hole, the silicone sound insulation layer, the heat insulation layer and the friction material body can be positioned and pasted, the accuracy of pasting is guaranteed, the bonding strength of the silicone sound insulation layer, the heat insulation layer and the friction material body is increased, and the service life is increased.

[0019] 2. The technical scheme of the application facilitates the installation of the L-shaped elastic sheet through the threaded hole, the circular hole and the inner hexagonal bolt, and the L-shaped elastic sheet and the inclined sheet can remind the replacement of the brake pad when the friction material body is worn out, and the use is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0020] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments with reference to the attached drawings:

[0021] Figure 1 is a schematic view of the front view of the present application;

[0022] Figure 2 is an exploded view of the present application;

[0023] Figure 3 is a sectional view of the side view of the present application;

[0024] Figure 4 is a sectional view of the side view of the present application; Figure 2 is an enlarged view of A in the present application.

[0025] In the figure: 1, steel back body; 2, silicone sound insulation layer; 3, heat insulation layer; 4, friction material body; 5, L-shaped elastic sheet; 6, piston hole; 7, conical block; 8, circular table type hole one; 9, circular table type hole two; 10, conical hole; 11, threaded hole; 12, circular hole; 13, inner hexagonal bolt; 14, inclined sheet. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0027] Please refer to Figures 1-3The utility model provides a brake backplate that good shock attenuation, including steel back body 1, the front side of steel back body 1 is sequentially provided with the matching silica gel sound insulation layer 2, heat insulation layer 3 and friction material body 4, the front side of steel back body 1 is integrally formed with a plurality of conical blocks 7, a plurality of circular truncated cone type holes one 8 that match conical block 7 are seted up on silica gel sound insulation layer 2, a plurality of circular truncated cone type holes two 9 that match conical block 7 are seted up on heat insulation layer 3, the rear side of friction material body 4 is provided with a plurality of conical holes 10 that match conical block 7, conical block 7 passes through circular truncated cone type hole one 8 and circular truncated cone type hole two 9, and the end of conical block 7 is inside conical hole 10, and the between silica gel sound insulation layer 2 and steel back body 1, the between silica gel sound insulation layer 2 and heat insulation layer 3 and the between heat insulation layer 3 and friction material body 4 are all coated with adhesive paste;

[0028] In this technical scheme, the brake backplate has shock attenuation and silence through the silica gel sound insulation layer 2, and the heat transferred from the friction material body 4 to the silica gel sound insulation layer 2 and the steel back body 1 during braking is reduced through the heat insulation layer 3, and the conical block 7 passes through the corresponding circular truncated cone type hole one 8 and circular truncated cone type hole two 9, and the end is inserted into the conical hole 10, which can not only play the role of positioning and sticking to ensure the accuracy of sticking, but also increase the bonding strength of the adhesive and the service life.

[0029] In some technical solutions, as shown in Figures 1-2 The two sides of the front part of the steel back body 1 are provided with L-shaped elastic sheets 5, and the L-shaped elastic sheets 5 are matched with the friction material body 4.

[0030] When used, the L-shaped elastic sheets 5 can remind the replacement of brake pads when the friction material body 4 is worn out.

[0031] In some technical solutions, as shown in Figures 2-3 The number of conical blocks 7, circular truncated cone type holes one 8, circular truncated cone type holes two 9 and conical holes 10 is equal, and each conical block 7 corresponds to each circular truncated cone type hole one 8, circular truncated cone type hole two 9 and conical hole 10.

[0032] When used, the one-to-one correspondence of the conical block 7, circular truncated cone type hole one 8, circular truncated cone type hole two 9 and conical hole 10 ensures the stability of the bonding of the silica gel sound insulation layer 2, heat insulation layer 3 and friction material body 4 at each position.

[0033] In some technical solutions, as shown in Figure 2 And Figure 4 Threaded holes 11 are formed on the two sides of the steel back body 1, circular holes 12 are formed on the L-shaped elastic sheets 5, internal hexagonal bolts 13 pass through the inside of the circular holes 12, and the internal hexagonal bolts 13 are matched with the threaded holes 11.

[0034] In use, the installation of the L-shaped elastic sheet 5 is completed by inserting one end of the hexagonal bolt 13 through the round hole 12 and into the interior of the threaded hole 11, and is convenient to use.

[0035] In some technical solutions, as shown in the figure, Figure 4 The inner wall of the L-shaped elastic sheet 5 is welded with a matching inclined sheet 14.

[0036] In use, the strength of the L-shaped elastic sheet 5 is increased by the inclined sheet 14, preventing the L-shaped elastic sheet 5 from being bent due to other factors and affecting the reminding effect.

[0037] In some technical solutions, as shown in the figure, Figure 2 Two piston holes 6 are provided on the steel back body 1.

[0038] In use, the piston holes 6 provide a contact point for the brake piston with the steel back body 1, ensuring the stability of the movement of the steel back body 1.

[0039] Working principle: In use, the silica gel sound insulation layer 2 makes the brake back plate have shock absorption and silence, and the heat insulation layer 3 reduces the heat transferred from the friction material body 4 to the silica gel sound insulation layer 2 and the steel back body 1 during braking. Since each conical block 7 passes through the corresponding circular truncated cone hole one 8 and circular truncated cone hole two 9, and the end of the conical block 7 is inserted into the conical hole 10, it not only plays a role of sticking and positioning, ensuring the accuracy of sticking, but also increases the bonding strength of the sticking glue and the service life. One end of the hexagonal bolt 13 is inserted through the round hole 12 and into the interior of the threaded hole 11, and the installation of the L-shaped elastic sheet 5 is completed. The L-shaped elastic sheet 5 can play a role of reminding the replacement of brake pads when the friction material body 4 is worn out.

[0040] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent replacements of some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A brake back plate with good damping, comprising a steel back body (1), characterized in that: The front side of the steel back body (1) is provided with a matching silica gel sound insulation layer (2), a heat insulation layer (3) and a friction material body (4) in sequence, the front side of the steel back body (1) is integrally formed with a plurality of conical blocks (7), a plurality of circular truncated cone type holes (8) matched with the conical blocks (7) are formed in the silica gel sound insulation layer (2), a plurality of circular truncated cone type holes (9) matched with the conical blocks (7) are formed in the heat insulation layer (3), the rear side of the friction material body (4) is provided with a plurality of conical holes (10) matched with the conical blocks (7), the conical blocks (7) pass through the circular truncated cone type holes (8) and the circular truncated cone type holes (9), and the end of the conical blocks (7) is located in the conical holes (10), and the steel back body (1) and the silica gel sound insulation layer (2), the silica gel sound insulation layer (2) and the heat insulation layer (3), and the heat insulation layer (3) and the friction material body (4) are all coated with adhesive.

2. The brake backing plate of claim 1, wherein, The front side of the steel back body (1) is provided with a matching silica gel sound insulation layer (2), a heat insulation layer (3) and a friction material body (4) in sequence, the front side of the steel back body (1) is integrally formed with a plurality of conical blocks (7), a plurality of circular truncated cone type holes (8) matched with the conical blocks (7) are formed in the silica gel sound insulation layer (2), a plurality of circular truncated cone type holes (9) matched with the conical blocks (7) are formed in the heat insulation layer (3), the rear side of the friction material body (4) is provided with a plurality of conical holes (10) matched with the conical blocks (7), the conical blocks (7) pass through the circular truncated cone type holes (8) and the circular truncated cone type holes (9), and the end of the conical blocks (7) is located in the conical holes (10), and the steel back body (1) and the silica gel sound insulation layer (2), the silica gel sound insulation layer (2) and the heat insulation layer (3), and the heat insulation layer (3) and the friction material body (4) are all coated with adhesive.

3. The brake backing plate of claim 1, wherein, The front side of the steel back body (1) is provided with a matching silica gel sound insulation layer (2), a heat insulation layer (3) and a friction material body (4) in sequence, the front side of the steel back body (1) is integrally formed with a plurality of conical blocks (7), a plurality of circular truncated cone type holes (8) matched with the conical blocks (7) are formed in the silica gel sound insulation layer (2), a plurality of circular truncated cone type holes (9) matched with the conical blocks (7) are formed in the heat insulation layer (3), the rear side of the friction material body (4) is provided with a plurality of conical holes (10) matched with the conical blocks (7), the conical blocks (7) pass through the circular truncated cone type holes (8) and the circular truncated cone type holes (9), and the end of the conical blocks (7) is located in the conical holes (10), and the steel back body (1) and the silica gel sound insulation layer (2), the silica gel sound insulation layer (2) and the heat insulation layer (3), and the heat insulation layer (3) and the friction material body (4) are all coated with adhesive.

4. The brake backing plate of claim 2, wherein, The front side of the steel back body (1) is provided with a matching silica gel sound insulation layer (2), a heat insulation layer (3) and a friction material body (4) in sequence, the front side of the steel back body (1) is integrally formed with a plurality of conical blocks (7), a plurality of circular truncated cone type holes (8) matched with the conical blocks (7) are formed in the silica gel sound insulation layer (2), a plurality of circular truncated cone type holes (9) matched with the conical blocks (7) are formed in the heat insulation layer (3), the rear side of the friction material body (4) is provided with a plurality of conical holes (10) matched with the conical blocks (7), the conical blocks (7) pass through the circular truncated cone type holes (8) and the circular truncated cone type holes (9), and the end of the conical blocks (7) is located in the conical holes (10), and the steel back body (1) and the silica gel sound insulation layer (2), the silica gel sound insulation layer (2) and the heat insulation layer (3), and the heat insulation layer (3) and the friction material body (4) are all coated with adhesive.

5. The brake backing plate of claim 2 wherein, ​ 6. The brake backing plate of claim 1 wherein, ​

Citation Information

Patent Citations

  • Brake back plate with good damping performance

    CN218882845U