Integral forging sheet torsion spring support assembly and vehicle applying same

By integrally forging the leaf torsion spring bracket assembly, the contradiction between high strength and light weight in the automobile suspension system is resolved, a leaf torsion spring bracket with high mechanical properties and long life is achieved, and welding or casting defects are avoided.

CN223384262UActive Publication Date: 2025-09-26SHANDONG DETAI AUTO PARTS CO LTD
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Patent Information

Application Number
CN202423045272.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-09-26
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

Existing leaf torsion spring brackets are difficult to simultaneously meet the requirements of high strength and light weight in automobile suspension systems, and there are defects in welding or casting.

Method used

An integral forged sheet torsion spring bracket assembly is adopted, and the upper mounting part, connecting part and lower mounting part are designed to be hilt-shaped. Weight-reducing grooves and through-grooves are provided, and connecting holes and arc-shaped slots are added to improve strength and reduce weight, avoiding welding or casting defects.

Benefits of technology

The high mechanical properties and long service life of the leaf torsion spring bracket are achieved, while meeting the lightweight requirements and avoiding welding or casting defects.

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Abstract

An integrally forged sheet torsion spring support assembly and a vehicle applying the same relate to the technical field of vehicle devices, and comprise an upper mounting part, the upper mounting part is fixedly mounted with a lower mounting part through a connecting part, ten connecting holes are symmetrically formed in each of the left and right sides of the upper mounting part, a notch is formed in the middle of the top of the upper mounting part, and the lower mounting part is fixedly mounted on the lower mounting part. A first weight reduction groove is formed in the front side of the connecting part and the upper mounting part, a second weight reduction groove is formed in the rear side of the connecting part, a through groove is formed between the first weight reduction groove and the second weight reduction groove, a third weight reduction groove is formed in the bottom of the first weight reduction groove, an arc-shaped clamping groove is formed in the middle of the bottom of the lower connecting part, and a limiting groove is formed in the top of the arc-shaped clamping groove. And two mounting holes are formed in each of the two sides of the arc-shaped clamping groove. The sheet torsion spring support assembly is an integrated forging piece formed through forging, welding or casting defects can be avoided, manufacturing is easy, the mechanical performance of the sheet torsion spring support assembly can be better, and the service life is longer.
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Description

Technical Field

[0001] The utility model relates to the technical field of vehicle devices, in particular to an integral forged sheet torsion spring bracket assembly and a vehicle using the assembly. Background Art

[0002] The application of leaf torsion spring brackets in automobiles is mainly reflected in the suspension system: leaf torsion spring is a spring in the suspension system, and its main function is to support and alleviate the vibration of the vehicle body and maintain the stability of the vehicle body. The leaf torsion spring is connected to the frame through the leaf torsion spring bracket, so higher requirements are placed on the strength of the leaf torsion spring bracket, while also meeting the increasingly stringent lightweight requirements. Utility Model Content

[0003] The utility model provides an integral forged sheet torsion spring bracket assembly and a vehicle using the assembly.

[0004] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0005] A one-piece forged sheet torsion spring bracket assembly includes an upper mounting portion, which is fixedly mounted to a lower mounting portion through a connecting portion, ten connecting holes being symmetrically provided on the left and right sides of the upper mounting portion, a notch being provided at the top middle position of the upper mounting portion, a first weight-reducing groove being provided on the front side of the connecting portion and the upper mounting portion, a second weight-reducing groove being provided on the rear side of the connecting portion, a through groove being provided between the first weight-reducing groove and the second weight-reducing groove, a third weight-reducing groove being provided at the bottom of the first weight-reducing groove, an arc-shaped slot being provided at the bottom middle position of the lower connecting portion, a limiting slot being provided at the top of the arc-shaped slot, and two mounting holes being provided on both sides of the arc-shaped slot.

[0006] A further preferred solution of the present invention is that the connection positions between the two sides of the connecting portion and the upper mounting portion and the lower mounting portion are all arc-shaped transition surfaces.

[0007] A further preferred solution of the present invention is that a first pressing groove is provided at the upper middle portion of the front side of the upper mounting portion, a second pressing groove is provided at the top portion of the rear side of the upper mounting portion, and six connecting holes are distributed laterally in the second pressing groove.

[0008] The present invention further optimizes the scheme: a sinking groove is provided on the top of the first weight-reducing groove, the sinking groove is located at the connection position of the connecting part and the upper mounting part, two connecting holes are horizontally distributed in the sinking groove, two connecting holes are horizontally distributed on both sides of the middle part of the sinking groove, and one connecting hole is distributed on both sides of the upper part of the sinking groove.

[0009] According to a further preferred embodiment of the present invention, the upper mounting portion, the connecting portion and the lower mounting portion are generally shaped like a hilt, and the thicknesses of the upper mounting portion, the connecting portion and the lower mounting portion increase sequentially.

[0010] The utility model has the following benefits:

[0011] 1. The utility model is a forged one-piece forging, which can avoid welding or casting defects, is easy to manufacture, and can make the mechanical properties (strength, plasticity, hardness, impact toughness and fatigue strength) of the leaf torsion spring bracket assembly better and extend its service life.

[0012] 2. The utility model is provided with a first weight-reducing groove, a second weight-reducing groove, a third weight-reducing groove and a through groove, which can better ensure the lightweight of the leaf torsion spring bracket assembly and meet production requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0014] Figure 2 This is a rear view structural diagram of the utility model;

[0015] Figure 3 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] In the figure: 1 upper mounting portion, 2 connecting portion, 3 lower mounting portion, 4 first weight reduction groove, 5 transparent

[0017] Slot, 6 sinking slot, 7 third weight-reducing slot, 8 arc-shaped slot, 9 connecting hole, 10 first pressing slot, 11 second pressing slot, 12 second weight-reducing slot, 13 limiting slot, 14 mounting hole. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiment of the present invention to clearly and completely describe the technical solutions in the embodiment of the present invention. Obviously, the embodiment described is only a sample of the present invention.

[0019] The present invention is a part of the embodiments, not all of the embodiments. Example

[0020] according to Figure 1-3The figure shows an integral forged sheet torsion spring bracket assembly, comprising an upper mounting portion 1, which is fixedly mounted to a lower mounting portion 3 via a connecting portion 2. Ten connecting holes 9 are symmetrically provided on both the left and right sides of the upper mounting portion 1 to facilitate installation and increase strength. A notch is provided in the center of the top of the upper mounting portion 1. A first weight-reducing groove 4 is provided on the front of the connecting portion 2 and the upper mounting portion 1, and a second weight-reducing groove 12 is provided on the rear of the connecting portion 2 to reduce weight without compromising strength. A through-groove 5 is provided between the first and second weight-reducing grooves 4 and 12 to reduce weight and achieve a lightweight design, while also facilitating circuit installation. A third weight-reducing groove 7 is provided at the bottom of the first weight-reducing groove 4. An arc-shaped slot 8 is provided in the center of the bottom of the lower connecting portion 2, with a limiting groove 13 at the top. Two mounting holes 14 are provided on either side of the arc-shaped slot 8. Both sides of the connecting portion 2 have arc-shaped transition surfaces where they connect to the upper mounting portion 1 and the lower mounting portion 3.

[0021] A first pressing groove 10 is provided in the upper middle part of the front side of the upper mounting part 1, and a second pressing groove 11 is provided at the top of the rear side of the upper mounting part 1. Six connecting holes 9 are distributed laterally in the second pressing groove 11. A sinking groove 6 is provided on the top of the first weight-reducing groove 4. The sinking groove 6 is located at the connection position between the connecting part 2 and the upper mounting part 1. There are two connecting holes 9 distributed laterally in the sinking groove 6. There are two connecting holes 9 distributed laterally on both sides of the middle part of the sinking groove 6, and there is one connecting hole 9 distributed on both sides of the upper middle part of the sinking groove 6.

[0022] The upper mounting portion 1 , the connecting portion 2 and the lower mounting portion 3 are generally in the shape of a hilt, and the thicknesses of the upper mounting portion 1 , the connecting portion 2 and the lower mounting portion 3 increase sequentially. This arrangement can make the device more stable. Example

[0023] A vehicle employs the integral forged sheet torsion spring bracket assembly mentioned in Example 1.

[0024] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An integral forged torsion spring bracket assembly, characterized in that: The utility model comprises an upper mounting portion (1), wherein the upper mounting portion (1) is fixedly mounted together with the lower mounting portion (3) through the connecting portion (2), ten connecting holes (9) are symmetrically provided on the left and right sides of the upper mounting portion (1), a notch is provided at the middle position of the top of the upper mounting portion (1), a first weight-reducing groove (4) is provided on the front side of the connecting portion (2) and the upper mounting portion (1), a second weight-reducing groove (12) is provided on the rear side of the connecting portion (2), a through groove (5) is provided between the first weight-reducing groove (4) and the second weight-reducing groove (12), a third weight-reducing groove (7) is provided at the bottom of the first weight-reducing groove (4), an arc-shaped card slot (8) is provided at the middle position of the bottom of the lower connecting portion (2), a limiting groove (13) is provided at the top of the arc-shaped card slot (8), and two mounting holes (14) are provided on both sides of the arc-shaped card slot (8).

2. The integral forged torsion spring bracket assembly according to claim 1, characterized in that: The connection positions between the two sides of the connecting portion (2) and the upper mounting portion (1) and the lower mounting portion (3) are both arc-shaped transition surfaces.

3. The integral forged torsion spring bracket assembly according to claim 1, characterized in that: A first pressing groove (10) is provided at the upper middle portion of the front side of the upper mounting portion (1), a second pressing groove (11) is provided at the top portion of the rear side of the upper mounting portion (1), and six connecting holes (9) are distributed transversely in the second pressing groove (11).

4. The integral forged torsion spring bracket assembly according to claim 1, characterized in that: A sinking groove (6) is provided on the top of the first weight-reducing groove (4). The sinking groove (6) is located at the connection position between the connecting portion (2) and the upper mounting portion (1). Two connecting holes (9) are distributed transversely in the sinking groove (6). Two connecting holes (9) are distributed transversely on both sides of the middle portion of the sinking groove (6), and one connecting hole (9) is distributed on both sides of the middle and upper portion of the sinking groove (6).

5. The integral forged torsion spring bracket assembly according to claim 1, characterized in that: The upper mounting portion (1), the connecting portion (2) and the lower mounting portion (3) are generally in the shape of a hilt, and the thicknesses of the upper mounting portion (1), the connecting portion (2) and the lower mounting portion (3) increase sequentially.

6. A vehicle, characterized in that: An integral forged leaf torsion spring bracket assembly as described in any one of claims 1 to 5 is used.