Rear power right rear suspension assembly

Abstract

The utility model discloses a rear power right rear suspension assembly, and belongs to the technical field of automobile parts, the rear power right rear suspension assembly comprises a support, an outer sleeve, an inner core and a rubber part, the rubber part wraps the inner core, the rubber part is installed in the outer sleeve, the outer sleeve is fixed on the support, and the rubber part comprises an outer ring connected with the inner wall surface of the outer sleeve; at least one end of the outer ring extends out of the outer sleeve to form a skirt edge, the skirt edge is of a wave-shaped structure with the axial length changing, and the height of the highest point of the skirt edge is 8-14 mm. The arrangement of the top skirt structure of the rubber part is improved, the gluing process of a product is facilitated, Y-direction force can be evenly transmitted to the whole suspension part when the Y-direction force is borne, and better NVH performance is obtained.

Description

Technical Field

[0001] The present application relates to the technical field of automobile parts, and in particular to a rear power right rear suspension assembly. Background Art

[0002] The suspension is an automotive powertrain component used to reduce and control the transmission of engine vibration and play a supporting role. It is widely used in the current automotive industry. As a component in the engine, in order to ensure the safety of the engine, the overall strength of the suspension component needs to meet certain conditions, and the coordination with the internal components of the engine needs to be more precise.

[0003] Related prior art, such as the Chinese patent application "A rear power suspension assembly for new energy vehicles", application number: CN202322303352.1, discloses a technology belonging to automobile parts, including an outer jacket, an inner core and a rubber part, wherein the outer jacket is set outside the inner core, the rubber part is lined on the inner wall of the outer jacket, and the rubber part wraps the outer peripheral surface of the inner core, and the inner core includes two symmetrically arranged first protrusions and two symmetrically arranged second protrusions, and the outer jacket wall surface is symmetrically provided with two hollow areas, and the wall surface of the hollow area of ​​the outer jacket is a structure protruding toward the central axis, and the outer surface of the hollow area of ​​the outer jacket is provided with a plurality of grooves, and the hollow area is opposite to the first protrusion. The hollow area is provided on the outer jacket, and the total weight of the product is reduced while meeting the strength requirements of the outer jacket, thereby reducing the production cost of the product.

[0004] However, during the actual production and processing of the product, it was found that there was a risk of peeling between the rubber parts and the outer casing. During the gluing process, due to the structural limitations of the product application, the adhesive film thickness was easily inconsistent when gluing in a small area, which led to the risk of product peeling. Utility Model Content

[0005] The technical problem to be solved by the present application is to provide a rear power right rear suspension assembly, which improves the top skirt structure setting of the rubber part, facilitates the product's gluing process, and can evenly transmit the Y-direction force to the entire suspension part to obtain better NVH performance.

[0006] The technical solution adopted in the present application is: a rear power right rear suspension assembly, including a bracket, an outer sleeve, an inner core and a rubber part, the rubber part wraps the inner core, the rubber part is installed in the outer sleeve, and the outer sleeve is fixed on the bracket, the rubber part includes an outer ring connected to the inner wall surface of the outer sleeve, at least one end of the outer ring extends out of the outer sleeve to form a skirt, the skirt has a wavy structure with varying axial length, and the height of the highest point of the skirt is 8-14mm.

[0007] Compared with the prior art, the advantage of the present application is that, compared with the traditional structure, the present application adopts a new structural design in the axial setting of the bushing, so that at least one end of the outer ring of the rubber part extends out of the outer sleeve to form a skirt. The full circle of skirt structure makes the gluing process simple and the gluing area large, and it is easy to control the film thickness of the adhesive, thereby achieving the effect of optimizing the peeling risk. The skirt of the present application is designed to have a wavy structure with varying axial length, and the height of the highest point of the skirt is 8-14mm. When the vehicle is subjected to axial force, it can be evenly transmitted to the entire suspension assembly parts, while obtaining better NVH performance, so that the product will not be affected by local stress concentration and durability.

[0008] In some embodiments of the present application, one end face of the skirt is connected to the end face of the outer shell, and the other end face of the skirt is an undulating wave surface; the skirt includes a crest portion and a trough portion, the surface of the crest portion is convex, and the surface of the trough portion is concave. This is the preferred structural solution of the present application, and better NVH performance is obtained.

[0009] In some embodiments of the present application, the inner core includes four protrusions evenly arranged along the circumferential direction, the trough portion is opposite to the protrusion, and the crest portion is located between the two protrusions. When the vehicle is subjected to axial force, it can be evenly transmitted to the entire suspension part, thereby obtaining better NVH performance.

[0010] In some embodiments of the present application, the bracket is provided with a mounting hole, the outer sleeve is fixedly installed at the mounting hole, one end of the outer sleeve is provided with an outwardly bent flange, the flange is attached to the outer peripheral surface of the mounting hole; the skirt portion is located at the flange. This is the preferred structural solution of the present application, that is, the thickness of the skirt is greater than the thickness of the outer ring.

[0011] In some embodiments of the present application, the rubber part also includes an inner ring wrapped around the outer circumference of the inner core, and four supporting legs connecting the inner ring and the outer ring; the inner ring wraps the outer circumference of the inner core, and the outer ring wraps the inner wall of the outer sleeve.

[0012] In some embodiments of the present application, the support legs are arranged along the radial direction of the inner core, and the support legs are arranged between two adjacent protrusions.

[0013] In some embodiments of the present application, four buffer limit blocks are further provided on the inner wall surface of the outer ring, the buffer limit blocks are arranged opposite to the protrusions, and there is a spacing between the buffer limit blocks and the protrusions.

[0014] In some embodiments of the present application, the bracket is in a plate-like structure, one end of the bracket is provided with a mounting hole for matching with the outer sleeve, and the other end of the bracket is arranged with a mounting position connected to the frame.

[0015] In some embodiments of the present application, the front and rear sides of the bracket are both concave curved surfaces, and the front and rear sides of the bracket are both provided with weight-reducing grooves. Figure 1 The front and back are described as the basis for the distinction, and do not refer to the orientation of the product in actual application. This application adopts curved surfaces and weight-reducing grooves to ensure the strength of the bracket structure while achieving lightweight products.

[0016] In some embodiments of the present application, the weight-reducing groove is provided with crisscross reinforcement strips, which divide the weight-reducing groove into a plurality of relatively independent spaces. The structural arrangement of the reinforcement strips effectively improves the structural strength of the bracket.

[0017] The above-mentioned implementation modes can be combined arbitrarily based on the common knowledge in the art. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present application will be further described in detail below in conjunction with the accompanying drawings and preferred embodiments, but those skilled in the art will appreciate that these drawings are drawn only for the purpose of explaining the preferred embodiments and therefore should not be used as a limitation on the scope of the present application. In addition, unless otherwise specified, the drawings are only schematically representing the composition or structure of the described objects and may contain exaggerated displays, and the drawings are not necessarily drawn to scale.

[0019] Figure 1 This is a schematic diagram of the structure of this application Figure 1 ;

[0020] Figure 2 This is a schematic diagram of the structure of this application Figure 2 ;

[0021] Figure 3 A top view of the application;

[0022] Figure 4 This is a cross-sectional view of the present application.

[0023] Among them, the specific descriptions of the accompanying drawings are as follows: 1. bracket; 2. outer sleeve; 21. flange; 3. inner core; 31. protrusion; 4. rubber part; 5. outer ring; 6. skirt; 7. inner ring; 8. support leg; 9. buffer limit block; 10. installation position; 11. installation hole; 12. weight reduction groove; 13. reinforcement strip. DETAILED DESCRIPTION

[0024] The present application is described in detail below in conjunction with the accompanying drawings.

[0025] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0026] A rear power right rear suspension assembly, the embodiment of the invention is as follows Figure 1 , Figure 2 As shown: it includes a bracket 1, an outer sleeve 2, an inner core 3 and a rubber member 4, the rubber member 4 wraps the inner core 3, the rubber member 4 is installed in the outer sleeve 2, the outer sleeve 2 is fixed on the bracket 1, and the rubber member 4 includes an outer ring 5 connected to the inner wall surface of the outer sleeve 2, and at least one end of the outer ring 5 extends out of the outer sleeve 2 to form a skirt 6. Compared with the traditional structure, the present application adopts a new structural design in the axial setting of the bushing, so that at least one end of the outer ring 5 of the rubber member 4 extends out of the outer sleeve 2 to form a skirt 6. The skirt 6 structure of a full circle makes the glue coating process simple and the glue coating area large, and it is easy to control the film thickness of the adhesive, thereby achieving the effect of optimizing the peeling risk.

[0027] The skirt 6 is a wave-shaped structure with a variable axial length, and the height of the highest point of the skirt 6 is 8-14 mm. When the vehicle is subjected to axial force, it can be evenly transmitted to the entire suspension assembly parts, while obtaining better NVH performance, so that the product will not be affected by local stress concentration. Durability.

[0028] Embodiment 2, as Figures 1 to 4 As shown, one end face of the skirt 6 is connected to the end face of the outer shell 2, and the other end face of the skirt 6 is an undulating wave surface; the skirt 6 includes a crest portion and a trough portion, the surface of the crest portion is convex, and the surface of the trough portion is concave. This is the preferred structural solution of the present application, and better NVH performance is obtained.

[0029] The inner core 3 includes four protrusions 31 evenly arranged along the circumferential direction, the trough portion is opposite to the protrusion 31, and the peak portion is located between two protrusions 31. When the vehicle is subjected to axial force, it can be evenly transmitted to the entire suspension part, thereby obtaining better NVH performance.

[0030] The bracket 1 is provided with a mounting hole 11, the outer sleeve 2 is fixedly mounted at the mounting hole 11, one end of the outer sleeve 2 is provided with an outwardly bent flange 21, and the flange 21 is attached to the outer peripheral surface of the mounting hole 11; the skirt 6 is partially located at the flange 21. This is the preferred structural solution of the present application, that is, the thickness of the skirt 6 is greater than the thickness of the outer ring 5.

[0031] The rubber member 4 further includes an inner ring 7 wrapped around the outer circumference of the inner core 3, and four support legs 8 connecting the inner ring 7 and the outer ring 5; the inner ring 7 wraps around the outer circumference of the inner core 3, and the outer ring 5 wraps around the inner wall of the outer sleeve 2. The support legs 8 are arranged along the radial direction of the inner core 3, and the support legs 8 are arranged between two adjacent protrusions 31. Four buffer limit blocks 9 are also arranged on the inner wall of the outer ring 5, and the buffer limit blocks 9 are arranged opposite to the protrusions 31, and there is a gap between the buffer limit blocks 9 and the protrusions 31.

[0032] The rest of the content of the second embodiment is the same as that of the first embodiment.

[0033] Embodiment three, as Figures 1 to 4 As shown, the bracket 1 is a plate-like structure, one end of the bracket 1 is provided with a mounting hole 11 for matching with the outer sleeve 2, and the other end of the bracket 1 is provided with a mounting position 10 connected to the frame.

[0034] The front and rear sides of the bracket 1 are both concave curved surfaces, and the front and rear sides of the bracket 1 are both provided with weight-reducing grooves 12. In this application, for the convenience of description, the weight-reducing grooves 12 are used as the weight-reducing grooves 12 in the drawings of the specification. Figure 1 The front and back are described as the reference, and do not refer to the orientation of the product in actual application. The application adopts the curved surface and the weight-reducing groove 12 to ensure the structural strength of the bracket 1 while achieving the lightweight of the product.

[0035] The weight-reducing groove 12 is provided with crisscross reinforcing strips 13, which divide the weight-reducing groove 12 into a plurality of relatively independent spaces. The structural arrangement of the reinforcing strips 13 effectively improves the structural strength of the bracket 1.

[0036] The other contents of the third embodiment are the same as those of the first embodiment or the second embodiment.

[0037] The present application is described in detail above. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the present application and its core ideas. It should be pointed out that for ordinary technicians in this technical field, without departing from the principles of the present application, several improvements and modifications can be made to the present application, and these improvements and modifications also fall within the scope of protection of the claims of the present application.

Claims

1. A rear power right rear suspension assembly, characterized in that: The invention comprises a support (1), an outer sleeve (2), an inner core (3) and a rubber member (4), wherein the rubber member (4) wraps the inner core (3), the rubber member (4) is installed in the outer sleeve (2), the outer sleeve (2) is fixed on the support (1), the rubber member (4) comprises an outer ring (5) connected to the inner wall surface of the outer sleeve (2), at least one end of the outer ring (5) extends out of the outer sleeve (2) to form a skirt (6), the skirt (6) is a wave-shaped structure with a varying axial length, and the height of the highest point of the skirt (6) is 8-14 mm.

2. The rear power right rear suspension assembly according to claim 1, characterized in that: One end face of the skirt (6) is connected to the end face of the outer sleeve (2), and the other end face of the skirt (6) is an undulating wave surface; the skirt (6) includes a crest portion and a trough portion, the surface of the crest portion is convex, and the surface of the trough portion is concave.

3. The rear power right rear suspension assembly according to claim 2, characterized in that: The inner core (3) comprises four protrusions (31) evenly arranged along the circumferential direction, the trough portion is opposite to the protrusion (31), and the peak portion is located between two protrusions (31).

4. The rear power right rear suspension assembly according to claim 1, characterized in that: The bracket (1) is provided with a mounting hole (11), the outer sleeve (2) is fixedly mounted at the mounting hole (11), one end of the outer sleeve (2) is provided with an outwardly bent flange (21), and the flange (21) is fitted on the outer peripheral surface of the mounting hole (11); the skirt (6) is partially located at the flange (21).

5. The rear power right rear suspension assembly according to claim 3, characterized in that: The rubber member (4) further comprises an inner ring (7) wrapped around the outer peripheral surface of the inner core (3), and four supporting legs (8) connecting the inner ring (7) and the outer ring (5); the inner ring (7) wraps around the outer peripheral surface of the inner core (3), and the outer ring (5) wraps around the inner wall surface of the outer sleeve (2).

6. The rear power right rear suspension assembly according to claim 5, characterized in that: The support leg (8) is arranged along the radial direction of the inner core (3), and the support leg (8) is arranged between two adjacent protrusions (31).

7. The rear power right rear suspension assembly according to claim 5, characterized in that: Four buffer limit blocks (9) are also arranged on the inner wall surface of the outer ring (5). The buffer limit blocks (9) are arranged opposite to the protruding portion (31), and there is a spacing between the buffer limit blocks (9) and the protruding portion (31).

8. The rear power right rear suspension assembly according to claim 1, characterized in that: The bracket (1) is in the form of a plate-shaped structure. One end of the bracket (1) is provided with a mounting hole (11) for fixing with the outer sleeve (2), and the other end of the bracket (1) is provided with a mounting position (10) for connecting with the vehicle frame.

9. The rear power right rear suspension assembly according to claim 1, characterized in that: The front and rear side surfaces of the bracket (1) are both concave curved surfaces, and the front and rear side surfaces of the bracket (1) are both provided with weight-reducing grooves (12).

10. The rear power right rear suspension assembly according to claim 9, characterized in that: The weight-reducing groove (12) is provided with crisscross reinforcing strips (13), and the reinforcing strips (13) divide the weight-reducing groove (12) into a plurality of relatively independent spaces.

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