Engine suspension bracket damping structure

Abstract

The application discloses an engine suspension support damping structure, which comprises a support base, a rubber support main body, a support top plate and two support side plates. The support base comprises a bottom plate and side plates connected to the two sides of the bottom plate and extending outward. A limiting groove is formed between the two side plates and the bottom plate. The rubber support main body is accommodated in the limiting groove, and the two side surfaces of the rubber support main body respectively abut against the two side plates. The support top plate abuts against the end surface of the rubber support main body and is connected with the rubber support main body through connecting bolts. The two support side plates respectively abut against the front and rear end surfaces of the rubber support main body. The bottom and the two sides of the rubber support main body are supported and limited by being arranged in the limiting groove. The remaining end surfaces of the rubber support main body are abutted against by the support top plate and the two support side plates, so that the rubber support main body is completely wrapped. The elastic support strength is improved, the rubber support main body is protected from external impact and collision, and the service life of the whole damping structure is prolonged.

Description

Technical Field

[0001] This application relates to the technical field of engine shock absorbers, and in particular to an engine mount shock absorber structure. Background Technology

[0002] The engine mounting system is a component used to connect the powertrain to the vehicle body. It mainly undertakes three core functions: supporting the weight of the engine, isolating vibration transmission, and reducing noise. Among these, the use of rubber damping and noise reduction technology is quite common.

[0003] Utility model patent CN206231213U discloses "an engine mount structure that prevents rubber deformation," comprising an upper iron component, an aluminum bracket, and rubber. The upper iron component and the aluminum bracket are connected by rubber formed through vulcanization. During installation, the upper iron component and the aluminum bracket are connected to the engine mount and the vehicle body, respectively. When the engine is running, the rubber provides the primary shock absorption. However, in application, the rubber is only supported at its upper and lower ends by the upper iron component and the aluminum bracket, leaving the remaining ends exposed. After prolonged use, it is susceptible to damage from impacts by stones kicked up by the tires or debris from the engine compartment, resulting in a relatively short service life. Utility Model Content

[0004] In order to protect the rubber body and thus improve its service life, this application provides an engine mount shock absorption structure.

[0005] The engine mount shock absorption structure provided in this application adopts the following technical solution: An engine mount damping structure includes: The support base includes a base plate and side plates connected to both sides of the base plate and extending outward, with the side plates and the base plate forming a limiting groove. The rubber support body is housed in the limiting groove, and the two sides of the rubber support body abut against the two side plates respectively; The top plate is supported and abuts against the end face of the rubber support body and is connected to the rubber support body by connecting bolts; The two supporting side plates abut against the front and rear end faces of the rubber support body, respectively; The supporting side plate is housed in the limiting groove and connected to the supporting base.

[0006] Preferably, the rubber support body includes: Main body; A first protrusion extends outward from the upper end of the main body, and the supporting top plate abuts against the first protrusion; and Two second protrusions are symmetrically distributed on both sides of the main body; The supporting side plate abuts against the second protrusion, and there is a gap between the supporting side plate and the main body to form an elastic deformation space.

[0007] Preferably, the supporting side plate includes: abutment plate; and Two connecting plates are connected to the two side plates respectively by fasteners.

[0008] Preferably, the supporting side plate further includes a reinforcing plate, which is connected to the bottom of the abutment plate and the two connecting plates, and is also connected to the bottom plate.

[0009] Preferably, the base plate has a positioning hole, and the reinforcing plate is provided with a positioning ring, which is engaged in the positioning hole.

[0010] Preferably, a first arc-shaped surface is provided at the connection between the second protrusion and the main body; and a second arc-shaped surface is provided at the connection between the main body and the side plate.

[0011] Preferably, the base plate has a weight-reducing port that connects to the limiting groove, and the rubber support body has a weight-reducing groove that connects to the weight-reducing port.

[0012] Preferably, the supporting side plate is an integral structure.

[0013] In summary, this application includes at least one of the following beneficial technical effects: 1. By vulcanizing the rubber support body into the limiting groove of the support seat, the bottom and sides can be supported and limited. At the same time, the top support plate and the two side support plates abut against the remaining end face of the rubber support body, thus completely wrapping the rubber support body. This not only improves the elastic support strength, but also protects the rubber support body from the impact and collision of external impurity particles, thereby improving the service life of the entire shock absorption structure. 2. By using the first and second protrusions in the rubber support body as force-bearing components, the force is transmitted to the main body, and then the main body transmits the force to the support base, thus gradually transferring the force and converting the impact energy, thereby improving the shock absorption effect. 3. With the integrated support side plate, when the second protrusion transmits the force to the support side plate, the support side plate and the two side plates of the support base are connected to the bottom plate, which makes the overall force support better. At the same time, the elastic deformation space formed between the support side plate and the main body provides a certain amount of deformation for the rubber support body. Attached Figure Description

[0014] Figure 1 A schematic diagram of the engine mount shock absorption structure; Figure 2 A top view of the engine mount damping structure; Figure 3 This is primarily an exploded view showing the relationship between the support side plate and the support base from one perspective; Figure 4 This is an exploded schematic diagram showing the relationship between the support side plate and the support base from another perspective.

[0015] Explanation of reference numerals in the attached drawings: 1. Support base; 11. Side plate; 12. Base plate; 121. Weight reduction port; 122. Positioning hole; 13. Limiting groove; 14. Elastic deformation space; 2. Rubber support body; 21. Main body; 211. First arc-shaped surface; 212. Second arc-shaped surface; 213. Weight reduction groove; 22. First protrusion; 23. Second protrusion; 3. Support top plate; 4. Connecting bolt; 5. Support side plate; 51. Abutment plate; 52. Connecting plate; 53. Reinforcing plate; 54. Positioning ring; 6. Fastener. Detailed Implementation

[0016] The present application will be further described in detail below with reference to the accompanying drawings.

[0017] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the specification of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0019] Figures 1 to 3 An engine mount shock absorption structure is shown, including a support base 1. The support base 1 is an integral structure including a base plate 12 and side plates 11 connected to both sides of the base plate 12. The two side plates 11 and the base plate 12 enclose a limiting groove 13 with openings on both sides. A rubber support body 2 is formed in the limiting groove 13 by vulcanization.

[0020] The rubber support body 2 includes a main body 21 and a first protrusion 22 and a second protrusion 23 extending outward from the top surface and side surfaces of the main body 21. The main body 21 is entirely housed in the limiting groove 13 and its side walls are connected to the side plates 11. The bottom of the main body 21 is connected to the bottom plate 12. The cross-sectional area of ​​the first protrusion 22 is smaller than that of the top surface of the main body 21, but at the same time, the cross-sectional projection of the first protrusion 22 is on the main body 21. Similarly, the cross-sectional area of ​​the second protrusion 23 is smaller than that of the two side surfaces of the main body 21, so that the first protrusion 22 and the second protrusion 23 are subjected to external forces first.

[0021] Combination Figure 4 The top of the first protrusion 22 is connected to a supporting top plate 3, and the supporting top plate 3 is connected to the rubber support body 2 by connecting bolts 4. Specifically, a weight-reducing opening 121 is opened on the bottom plate 12, and a weight-reducing groove 213 communicating with the weight-reducing opening 121 is opened on the main body 21. The connecting bolt 4 is inserted from one side of the weight-reducing opening 121 and extends into the weight-reducing groove 213, passing through the main body 21 and then exiting from the supporting top plate 3. In addition to reducing the overall weight of the shock-absorbing structure, the opening of the weight-reducing groove 213 also reduces the length of the connecting bolt 4, and the weight-reducing groove 213 also provides a certain elastic deformation space for the main body 21.

[0022] The support base 1 is also provided with a support side plate 5 at the openings on both sides of the limiting groove 13. The support side plate 5 is an integral structure, including an abutment plate 51, connecting plates 52 connected to both sides of the abutment plate 51, and a reinforcing plate 53. The reinforcing plate 53 is connected to the bottom of the abutment plate 51 and the two connecting plates 52. The two connecting plates 52 are connected to the side plate 11 by fasteners 6, which are rivets.

[0023] The reinforced version has a positioning ring 54 extending toward one side of the base plate 12 at the bottom; a positioning hole 122 communicating with the limiting groove 13 is opened on the base plate 12. The positioning ring 54 is locked in the positioning hole 122 to further limit the connection of the supporting side plate 5 in the supporting seat 1. Fasteners 6 are then inserted through the positioning ring 54 to connect the shock absorption structure to the vehicle body.

[0024] After the support side plate 5 is installed in the limiting groove 13, the abutment plate 51 abuts against the second protrusion 23, thereby providing all-round support, reinforcement and protection for the entire rubber support body 2. A certain distance exists between the main body 21 and the abutment plate 51 to form an elastic deformation space 14. When the second protrusion 23 and the abutment plate 51 interact, the main body 21 can move away from / close to the abutment plate 51, thereby increasing or decreasing the size of the elastic deformation space 14.

[0025] To reduce stress concentration, a first arc-shaped surface 211 is provided at the connection between the second protrusion 23 and the main body 21, and a second arc-shaped surface 212 is provided at the connection between the main body 21 and the two side plates 11. When the absorption capacity of the rubber support body 2 deforms, the provision of the first arc-shaped surface 211 and the second arc-shaped surface 212 can reduce stress concentration, thereby improving the service life of the rubber support body 2.

[0026] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A vibration damping structure for an engine mount, characterized in that, include: Support base (1), the support base (1) includes a base plate (12) and side plates (11) connected to both sides of the base plate (12) and extending outward, the side plates (11) and the base plate (12) enclose a limiting groove (13). The rubber support body (2) is housed in the limiting groove (13), and the two sides of the rubber support body (2) abut against the two side plates (11) respectively; The top plate (3) abuts against the end face of the rubber support body (2) and is connected to the rubber support body (2) by connecting bolts (4); The two supporting side plates (5) respectively abut against the front and rear end faces of the rubber supporting body (2); The supporting side plate (5) is housed in the limiting groove (13) and connected to the supporting base (1).

2. The engine mount support vibration damping structure according to claim 1, characterized in that, The rubber support body (2) includes: Main body (21); The first protrusion (22) extends outward from the upper end of the main body (21), and the supporting top plate (3) abuts against the first protrusion (22); and Two second protrusions (23) are symmetrically distributed on both sides of the main body (21); The supporting side plate (5) abuts against the second protrusion (23), and there is a gap between the supporting side plate (5) and the main body (21) to form an elastic deformation space (14).

3. The engine mount shock absorption structure according to claim 1 or 2, characterized in that, The supporting side plate (5) includes: abutment plate (51); and Two connecting plates (52) are connected to the two side plates (11) respectively by fasteners (6).

4. The engine mount shock absorption structure according to claim 3, characterized in that, The supporting side plate (5) also includes a reinforcing plate (53), which is connected to the bottom of the abutment plate (51) and the two connecting plates (52). The reinforcing plate (53) is also connected to the bottom plate (12).

5. The engine mount support vibration damping structure according to claim 4, characterized in that, The base plate (12) has a positioning hole (122), and the reinforcing plate (53) is provided with a positioning ring (54), which is engaged in the positioning hole (122).

6. The engine mount shock absorption structure according to claim 2, characterized in that, A first arc-shaped surface (211) is provided at the connection between the second protrusion (23) and the main body (21); a second arc-shaped surface (212) is provided at the connection between the main body (21) and the side plate (11).

7. The engine mount support vibration damping structure according to claim 1, characterized in that, The base plate (12) has a weight reduction port (121) that connects to the limiting groove (13), and the rubber support body (2) has a weight reduction groove (213) that connects to the weight reduction port (121).

8. The engine mount shock absorption structure according to claim 1, characterized in that, The supporting side plate (5) is an integral structure.

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