Trailing arm mounting assembly

By integrating the stabilizer bar mechanism into the trailing arm assembly in the rear suspension of new energy trucks, the problem of complex installation of trailing arms and stabilizer bars is solved, achieving space saving and cost reduction, while improving structural stability.

CN223466964UActive Publication Date: 2025-10-24CHONGQING RUICHI AUTOMOBILE IND CO LTD
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Patent Information

Application Number
CN202423167711.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-10-24
Estimated Expiration
2034-12-19

AI Technical Summary

Technical Problem

The existing trailing arm and stabilizer bar installation structure of the rear suspension of new energy trucks is complex, resulting in large installation space requirements and high costs.

Method used

The stabilizer bar mechanism is directly integrated into the trailing arm assembly. Through the cooperation and installation of the rear subframe and the trailing arm assembly, the complex structure of the traditional connecting rod is eliminated, and the synchronous swing of the stabilizer bar is achieved.

Benefits of technology

It simplifies the installation structure, saves space for the rear overhang, reduces manufacturing costs, and improves the overall structural stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a trailing arm installation assembly which comprises a left trailing arm assembly, a right trailing arm assembly and a stabilizer bar mechanism which are installed on a rear auxiliary frame. The stabilizer bar mechanism is installed in cooperation with the rear auxiliary frame, the left trailing arm assembly and the right trailing arm assembly, and the left trailing arm assembly and the right trailing arm assembly swing to drive the stabilizer bar mechanism to swing synchronously. According to the technical scheme, the trailing arm installation assembly and the stabilizer bar mechanism are installed by being matched with the trailing arm assembly through the rear auxiliary frame at the same time, the stability of the whole structure in the swinging process is ensured, the stabilizer bar mechanism cancels a complex structure needing to be additionally provided with a connecting rod in a traditional structure, the stabilizer bar mechanism is directly installed on the trailing arm assembly in an integrated mode, and the rear suspension arrangement space is saved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of vehicle parts, concretely relates to a trailing arm mounting assembly. BACKGROUND

[0002] Vehicle suspension is an important component in vehicle structure, and is an important part for ensuring the safety of automobile driving, which is mainly used for buffering the impact of uneven road to the frame to improve the comfort of riding.

[0003] The rear suspension of the new energy truck on the market is mainly based on leaf spring at present, and the comfort is poor, when the trailing arm of the rear suspension is installed with the frame, the stabilizer bar is generally connected and matched with the trailing arm for installation, which needs connecting structure for connection and matching, so that the installation space requirement of the rear suspension is increased, and since the stabilizer bar needs to be installed by matching connection, the end of the stabilizer bar is generally flattened and installed on the matching connecting rod or other parts, which further improves the manufacturing cost.

[0004] Therefore, in order to solve the above problems, a trailing arm mounting assembly is needed to solve the above problems. UTILITY MODEL CONTENTS

[0005] Therefore, the trailing arm mounting assembly of the technical scheme, the stabilizer bar mechanism is installed through the rear subframe and the trailing arm assembly at the same time, which ensures the stability of the whole structure when it swings, the stabilizer bar mechanism cancels the complex structure of the traditional structure which needs to set an additional connecting rod, and is directly integrated and installed on the trailing arm assembly, which saves the rear suspension layout space.

[0006] A trailing arm mounting assembly, comprising a left trailing arm assembly, a right trailing arm assembly and a stabilizer bar mechanism installed on a rear subframe, the stabilizer bar mechanism is installed in cooperation with the rear subframe and the left and right trailing arm assemblies, and the left and right trailing arm assemblies swing to drive the stabilizer bar mechanism to swing synchronously.

[0007] Further, the stabilizer bar mechanism comprises a frame mounting seat assembly arranged on the rear subframe, a left mounting seat assembly arranged on the left trailing arm assembly, a right mounting seat assembly arranged on the right trailing arm assembly, and a stabilizer bar, the stabilizer bar is installed in cooperation with the frame mounting seat assembly and the left and right mounting seat assemblies.

[0008] Further, the frame mounting seat assembly is two and the two frame mounting seat assemblies are the same structure, the two frame mounting seat assemblies are arranged on the rear subframe in parallel, the stabilizer bar is bent to form an arc-shaped part for installing the frame mounting seat assembly, and the two ends of the stabilizer bar respectively pass through the two frame mounting seat assemblies and are respectively installed in cooperation with the left and right mounting seat assemblies.

[0009] Further, the frame mounting seat assembly comprises a support seat fixedly mounted in cooperation with the rear sub-frame, a positioning bush mounted on the support seat, and a positioning bracket mounted in cooperation with the positioning bush; the stabilizer bar passes through the positioning bush, and the positioning bracket tightly sheaths the positioning bush and is fixedly mounted on the support seat.

[0010] Further, a bush hole for mounting the stabilizer bar is formed in the middle of the positioning bush, the positioning bush is recessed inward along the circumferential direction to form a bush ring groove, and the bush hole is provided with an adjusting slot along the radial direction.

[0011] Further, the middle of the positioning bracket is bent to form a bracket arc-shaped section for mounting the positioning bush, both ends of the positioning bracket are bent to form bracket lugs for mounting the support seat, and the bracket arc-shaped section is protruded inward to form an arc-shaped section reinforcing structure.

[0012] Further, the left dragging arm assembly comprises a left dragging arm mounted in cooperation with the rear sub-frame and a dragging arm base mounted on the left dragging arm, and the left mounting seat assembly is fixedly mounted in cooperation with the dragging arm base.

[0013] Further, the left mounting seat assembly and the right mounting seat assembly are of the same structure.

[0014] The beneficial effects of the present application are as follows: the dragging arm mounting assembly of the present application is installed through the stabilizer bar mechanism in cooperation with the rear sub-frame and the dragging arm assembly, thereby ensuring the stability of the overall structure when swinging, the stabilizer bar mechanism cancels the complex structure of the traditional structure which needs to additionally set a connecting rod, and is directly integrated and mounted on the dragging arm assembly, thereby saving the rear suspension layout space. BRIEF DESCRIPTION OF DRAWINGS

[0015] The present application will be further described below in combination with the drawings and embodiments:

[0016] Figure 1 The present application is an exploded schematic view of the structure.

[0017] Figure 2 The present application is an installation schematic view. DETAILED DESCRIPTION

[0018] Figure 1 The present application is an exploded schematic view of the structure. Figure 2The utility model discloses an installation schematic drawing, as shown in drawing, a kind of tow arm installation assembly, including left tow arm assembly, right tow arm assembly and stabilizer bar mechanism installed on rear subframe;The stabilizer bar mechanism cooperates rear subframe 1 and left tow arm assembly and right tow arm assembly installation, left tow arm assembly and right tow arm assembly swing drive stabilizer bar mechanism synchronous swing;The tow arm installation assembly of the technical scheme, stabilizer bar mechanism is installed by rear subframe simultaneously with the cooperation of tow arm assembly, ensure the stability when its overall structure swings, stabilizer bar mechanism cancels the complex structure that traditional structure needs additional connecting rod, directly integrated installation on tow arm assembly, save rear suspension layout space.

[0019] In the embodiment, the stabilizer bar mechanism includes a frame mounting seat assembly provided on the rear subframe, a left mounting seat assembly provided on the left tow arm assembly, a right mounting seat assembly provided on the right tow arm assembly, and a stabilizer bar 6. The stabilizer bar is installed in cooperation with the frame mounting seat assembly and the left and right mounting seat assemblies. The stabilizer bar mechanism is positioned and installed by the two frame mounting seat assemblies with the same structure cooperating with the front end 11 of the rear subframe 1. The two ends of the stabilizer bar are correspondingly installed in cooperation with the left and right mounting seat assemblies. After integrated installation at multiple points, the stability of the overall structure is ensured. Compared with the traditional connecting rod structure, the additional connecting rod is cancelled, the structure is simplified, and the stabilizer bar 6 end does not need to be additionally processed into a flat head structure for direct connection and installation, which optimizes the process.

[0020] In the embodiment, the two frame mounting seat assemblies are arranged in parallel on the rear subframe 1, the stabilizer bar 6 is bent to form an arc-shaped portion 61 for installation in cooperation with the frame mounting seat assembly, and the two ends of the stabilizer bar 6 correspondingly pass through the two frame mounting seat assemblies and are installed in cooperation with the left and right mounting seat assemblies. After being bent, the stabilizer bar 6 forms two arc-shaped portions 61 for positioning and installation in cooperation with the two frame mounting seat assemblies. The setting of the arc-shaped portion 61 makes it more convenient to realize swinging and ensures the consistency of the two tow arms when swinging.

[0021] In the embodiment, the frame mounting seat assembly includes a support seat 12 fixedly installed in cooperation with the rear subframe, a positioning bushing 5 installed on the support seat 12, and a positioning bracket 4 installed in cooperation with the positioning bushing 5. The stabilizer bar passes through the positioning bushing 5, and the positioning bracket 4 tightly sleeves and positions the positioning bushing 5 and is fixedly installed on the support seat 12. After the stabilizer bar 6 passes through the positioning bushing 5, it is fastened and installed on the support seat 12 in cooperation with the bolt 3.

[0022] In this embodiment, a bushing opening for mounting a stabilizer bar is provided in the middle of the positioning bushing 5. The positioning bushing is recessed inwardly along the circumferential direction to form a bushing annular groove 52. The bushing opening is provided with an adjustment slot 51 along the radial direction. Figure 1 As shown, the positioning bushing is recessed in the circumferential direction along the direction of the opening and then processed to form a bushing ring groove 52 structure, which is convenient for installation with the positioning bracket 4. At the same time, the setting of the adjustment gap facilitates the installation and adjustment of the stabilizer bar.

[0023] In this embodiment, the positioning bracket 4 is bent in the middle to form an arcuate section for mounting with the positioning bushing. The two ends of the positioning bracket are bent to form bracket ears for mounting with the support base. The bracket arcuate section protrudes inward to form an arcuate section reinforcement structure 41. After being bent, the positioning bracket 4 has an overall "X"-shaped structure, with the middle forming the bracket arcuate section. The arcuate section protrudes to form the arcuate section reinforcement structure 41, which strengthens the structure and facilitates positioning and mounting with the bushing annular groove 52. The bracket ears are locked with bolts 3 for installation.

[0024] In this embodiment, the left trailing arm assembly includes a left trailing arm 2 mounted to the rear subframe 1 and a trailing arm base 21 mounted on the left trailing arm. The left mounting assembly is fixedly mounted to the trailing arm base. The left trailing arm 2 and the right trailing arm 7 have identical structures and are both mounted to the trailing arm base 21.

[0025] In this embodiment, the left mounting seat assembly and the right mounting seat assembly have the same structure. Figure 2 As shown, the two mounting seat assemblies also adopt the same structure and the same positioning bushing 5 and positioning bracket 4 for installation. After the two ends of the stabilizing rod 6 are respectively inserted into the left and right mounting seat assemblies, they can cooperate with the stable installation structure.

[0026] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model and are not limiting. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A tow arm mounting assembly characterised in that: The left trailing arm assembly, the right trailing arm assembly and the stabilizer bar mechanism are installed on the rear subframe; the stabilizer bar mechanism is installed in cooperation with the rear subframe and the left trailing arm assembly and the right trailing arm assembly; and the left trailing arm assembly and the right trailing arm assembly swing to drive the stabilizer bar mechanism to swing synchronously.

2. The tow arm mounting assembly of claim 1, wherein: The stabilizer bar mechanism comprises frame mounting seat assemblies arranged on the rear subframe, left mounting seat assemblies arranged on the left trailing arm assembly, right mounting seat assemblies arranged on the right trailing arm assembly and a stabilizer bar; and the stabilizer bar is installed in cooperation with the frame mounting seat assemblies and the left mounting seat assemblies and the right mounting seat assemblies.

3. The tow arm mounting assembly of claim 2, wherein: The two frame mounting seat assemblies are arranged on the rear subframe in parallel with each other; the stabilizer bar is bent to form an arc-shaped portion for being installed in cooperation with the frame mounting seat assemblies; and the two ends of the stabilizer bar pass through the two frame mounting seat assemblies respectively and are installed in cooperation with the left mounting seat assemblies and the right mounting seat assemblies respectively.

4. The tow arm mounting assembly of claim 3, wherein: The frame mounting seat assembly comprises a support seat fixedly installed in cooperation with the rear subframe, a positioning bushing installed on the support seat and a positioning bracket installed in cooperation with the positioning bushing; the stabilizer bar passes through the positioning bushing; and the positioning bracket tightly sleeves the positioning bushing and is fixedly installed on the support seat.

5. The tow arm mounting assembly of claim 4, wherein: The positioning bushing is recessed inward in the circumferential direction to form a bushing ring groove; and the bushing opening is provided with an adjusting slot in the radial direction.

6. The tow arm mounting assembly of claim 5, wherein: The positioning bracket is bent in the middle to form a bracket arc-shaped section for being installed in cooperation with the positioning bushing; the two ends of the positioning bracket are bent to form bracket lugs for being installed in cooperation with the support seat; and the bracket arc-shaped section is protruded inward to form an arc-shaped section reinforcing structure.

7. The tow arm mounting assembly of claim 2, wherein: The left trailing arm assembly comprises a left trailing arm installed in cooperation with the rear subframe and a trailing arm base installed on the left trailing arm; and the left mounting seat assembly is fixedly installed in cooperation with the trailing arm base.

8. The tow arm mounting assembly of claim 7, wherein: The left mounting seat assembly and the right mounting seat assembly are identical in structure.