Damping rubber pad

Abstract

The utility model discloses a shock-absorbing rubber pad which is installed on an installation portion, a motor and other parts capable of generating vibration are further installed on the installation portion, when the shock-absorbing rubber pad is installed on an automobile, the installation portion can be a clamping jaw of an automobile radar, the shock-absorbing rubber pad comprises a sleeve made of metal materials, a rubber outer layer is arranged on the outer side of the sleeve, and the rubber outer layer is made of rubber. The outer side of the rubber outer layer is provided with a mounting ring groove matched with the mounting part, the metal embedded framework is arranged in the rubber outer layer, and the metal embedded framework is provided with a part opposite to the mounting ring groove. According to the shock-absorbing rubber pad, the overall stability and safety performance of the shock-absorbing rubber pad are improved through the arrangement of the metal embedded framework, further, noise is reduced through the arrangement of the inner buffer groove between the sleeve and the metal embedded framework, the overall rigidity is improved through the arrangement of the rubber band, and the limiting and protecting effects are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of elastic vibration-damping pads, in particular to a vibration-damping rubber pad. Background Art

[0002] Rubber shock-absorbing pads are very important components in automotive radar systems. They are mainly used to buffer and absorb the instantaneous pressure, vibration and noise generated during the operation of automotive radars, thereby improving driving comfort and safety. Figure 1 As shown, the vibration damping pad includes a middle sleeve 1 and a rubber outer layer 2 arranged outside the sleeve 1. The outer wall of the rubber outer layer 2 has a mounting ring groove 20. During the installation process, the mounting ring groove 20 is sleeved in the hole of the claw of the automobile radar. The function of the vibration damping pad is single. During operation, if the vibration damping pad slides or moves relative to the shell, it is easy to generate impact noise, and the limiting capacity is insufficient. Large displacements are likely to occur in the axial and radial directions, affecting the reliability and safety of the automobile radar operation. Utility Model Content

[0003] In order to solve the technical problems existing in the background technology, the utility model provides a shock-absorbing rubber pad.

[0004] The utility model provides a shock-absorbing rubber pad, which is installed on a mounting part, and a motor or other component that can generate vibration is also installed on the mounting part. When the shock-absorbing rubber pad is installed on a car, the mounting part can be a claw of a car radar, including a sleeve made of a metal material, a rubber outer layer on the outside of the sleeve, a mounting ring groove matching the mounting part on the outside of the rubber outer layer, and a metal embedded skeleton, which is arranged in the rubber outer layer, and has a portion opposite to the mounting ring groove. During the manufacturing process, the metal embedded skeleton, the sleeve and the rubber outer layer are vulcanized to process the shock-absorbing rubber pad.

[0005] During the installation process, the metal gasket is installed on the upper end of the shock-absorbing rubber pad, and then a bolt group is passed through the metal gasket and the middle of the sleeve, and the mounting ring groove is interference-connected with the claw of the radar system bracket. During the shock absorption process, the overall strength of the rubber outer layer is increased as a whole by the metal embedded skeleton arranged in the rubber outer layer, and when the bracket of the radar system shakes, the metal embedded skeleton has a certain deformation relative to the rubber outer layer, thereby increasing its overall reliability performance.

[0006] Preferably, the metal embedded skeleton comprises an axially extending portion and a radially extending portion which are connected to each other, the axially extending portion extends along the axial direction of the rubber outer layer, and the axially extending portion has a portion which is opposite to the mounting ring groove.

[0007] Preferably, the rubber outer layer has an installation cavity for accommodating the metal embedded frame, the installation cavity includes an axial cavity for accommodating the axially extending portion and a radial cavity for accommodating the radially extending portion, and the outer side wall of the rubber outer layer has a radial positioning hole communicating with the radial cavity.

[0008] Preferably, the end surface of the rubber outer layer has an axial positioning hole communicating with the radial cavity.

[0009] Preferably, the portion of the rubber outer layer between the sleeve and the metal embedded frame has an inner buffer groove, thereby increasing its overall noise reduction performance.

[0010] Preferably, the depth of the inner buffer groove is greater than the length of the metal embedded skeleton.

[0011] Preferably, the inner wall of the inner buffer groove has a rubber rib. It should be noted that the inner buffer groove includes a first inner wall and a second inner wall. The first inner wall is close to the axis of the rubber pad relative to the second inner wall. The rubber rib can be arranged on the first inner wall or the second inner wall. The thickness of the rubber rib is less than the thickness of the inner buffer groove. When the mounting part undergoes a small vibration, the rubber outer layer undergoes a small deformation (including radial and axial deformation), thereby causing an inner wall of the inner buffer groove.

[0012] Preferably, the upper end surface of the sleeve is located below the upper end surface of the rubber outer layer.

[0013] Preferably, a clearance groove is provided on the inner wall of the mounting ring groove, and the clearance groove does not contact the claw when no force is applied.

[0014] Preferably, the mounting ring groove comprises an upper top surface, a side surface and a lower bottom surface which are connected to each other, and a clearance groove is provided on the upper top surface and / or the lower top surface in a direction away from the mounting ring groove.

[0015] In the utility model, the proposed shock-absorbing rubber pad increases its overall stability and safety performance by setting a metal embedded frame. Further, the noise is reduced by setting an internal buffer groove between the sleeve and the metal embedded frame, and the overall rigidity is increased by setting rubber ribs to play a role in limiting protection. Furthermore, the shearing effect of the rubber of the mounting component on the outer layer is reduced by setting a gap groove on the side wall of the mounting ring groove, thereby increasing its service life.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of a radar shock-absorbing rubber pad in the prior art;

[0018] Figure 2 It is a schematic diagram of the structure of the utility model;

[0019] Figure 3 This is a cross-sectional view of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the utility model installed on the claw;

[0021] In the figure: 1. sleeve; 2. rubber outer layer; 20. mounting ring groove; 21. axial cavity; 22. radial cavity; 23. radial positioning hole; 24. axial positioning hole; 25. inner buffer groove; 250. first inner side wall; 251. second inner side wall; 3. metal embedded skeleton; 30. axial extension part; 31. radial extension part; 4. claw; 5. rubber rib; 6. clearance groove. DETAILED DESCRIPTION

[0022] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar symbols throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0023] like Figure 2-Figure 4 A shock-absorbing rubber pad is shown, which is installed on the claw 4 of the radar system bracket of the automobile, and the radar motor is installed on the bracket. It includes a sleeve 1 made of metal material, and the outer side of the sleeve 1 is processed with a rubber outer layer 2 by vulcanization. The outer side of the rubber outer layer 2 has a mounting ring groove 20 matching the claw 4, and also includes a metal embedded skeleton 3, which is arranged in the rubber outer layer 2, and the metal embedded skeleton 3 has a portion opposite to the mounting ring groove 20. Preferably, the rubber outer layer 2 also has a conical upper end, and the upper side of the mounting ring groove 20 is the upper end. During the manufacturing process, the metal embedded skeleton 3, the sleeve 1 and the rubber outer layer 2 are vulcanized to form the shock-absorbing rubber pad.

[0024] During the installation process, the metal gasket is installed on the upper end surface of the upper end of the shock-absorbing rubber pad, and then a bolt group is passed through the metal gasket and the middle part of the sleeve 1, and the mounting ring groove 20 is interference-connected with the claw 4 of the radar system bracket. During the shock absorption process, the metal embedded skeleton 3 arranged in the rubber outer layer 2 increases the overall strength of the rubber outer layer 2 as a whole, and when the bracket of the radar system shakes, the metal embedded skeleton 3 has a certain deformation relative to the rubber outer layer 2, thereby increasing its overall reliability performance.

[0025] In order to further increase the overall stability, the metal embedded skeleton 3 includes an axial extension portion 30 and a radial extension portion 31 which are interconnected and can be integrally formed. The outer diameter of the radial extension portion 31 is larger than the outer diameter of the axial extension portion 30, and the whole is T-shaped. The axial extension portion 30 extends along the axial direction of the rubber outer layer 2, and the axial extension portion 30 has a portion opposite to the mounting ring groove 20.

[0026] Preferably, the rubber outer layer 2 has an installation cavity for accommodating the metal embedded skeleton 3, and the installation cavity includes an axial cavity 21 for accommodating the axial extension portion 30 and a radial cavity 22 for accommodating the radial extension portion 31. The outer wall of the rubber outer layer 2 has a radial positioning hole 23 connected to the radial cavity 22, that is, the outer side of the rubber outer layer 2 is the rubber part, and the rubber outer layer 2 is in contact with the sleeve 1, and the radial positioning hole 23 is used to realize the positioning of the metal embedded skeleton 3 during the processing.

[0027] In order to facilitate the positioning of the metal embedded skeleton 3 during the processing, preferably, the end surface of the rubber outer layer 2 has an axial positioning hole 24 communicating with the radial cavity 22, and a plurality of the axial positioning holes 24 and the radial positioning holes 23 may be provided.

[0028] In order to improve the noise reduction performance and the overall shock absorption performance, in some embodiments, preferably, the portion of the rubber outer layer 2 located between the sleeve 1 and the metal embedded frame 3 has an inner buffer groove 25. Specifically, the inner buffer groove 25 is opened on the lower end surface of the rubber outer layer 2, thereby further increasing its overall noise reduction performance.

[0029] In order to further enhance its shock absorption and noise reduction performance, in some embodiments, preferably, the depth of the inner buffer groove 25 is greater than the length of the metal embedded frame 3 .

[0030] Preferably, the inner wall of the inner buffer groove 25 has a rubber rib 5, the thickness of the rubber rib 5 is smaller than the thickness of the inner buffer groove 25, when the mounting part undergoes a small vibration, the rubber outer layer 2 undergoes a small deformation (including radial and axial deformation) to thereby cause an inner wall of the inner buffer groove 25. The inner buffer groove 25 includes a first inner wall 250 and a second inner wall 251. The first inner wall 250 is close to the axis of the rubber pad relative to the second inner wall 251. The rubber rib 5 can be arranged on the first inner wall 250 or the second inner wall 251. In the present embodiment, the rubber rib 5 is arranged on the second inner wall 251. There are multiple groups of rubber ribs 5, and the multiple groups of rubber ribs 5 are circumferentially distributed on the second inner wall 251. A gap is formed between any two adjacent groups of rubber ribs 5, that is, a second shock-absorbing gap is formed between the second inner wall 251 and the first inner wall 250, and a first shock-absorbing gap is formed between the first inner wall 250 and the rubber rib 5. The rubber rib 5 contacts the first inner wall 250 to form a first shock absorption. If the vehicle vibrates greatly, the first inner wall 250 and the second inner wall 251 contact to complete the second shock absorption after the first shock absorption occurs, which can effectively reduce the noise and vibration of the motor installed on the bracket.

[0031] Preferably, the upper end surface of the sleeve 1 is located below the upper end surface of the rubber outer layer 2. Specifically, the upper end surface of the sleeve 1 is only located at a point below the rubber outer layer 2, ensuring that the metal gasket contacts the sleeve 1 after squeezing the rubber outer layer 2 to ensure the shock absorption effect.

[0032] Preferably, a clearance groove 6 is provided on the inner wall of the mounting ring groove 20. When no force is applied, the clearance groove 6 does not contact the claw 4, thereby reducing the shearing effect of the claw 4 on the rubber shock-absorbing pad and improving its durability.

[0033] In some embodiments, preferably, the mounting ring groove 20 includes an upper top surface, side surfaces and a lower bottom surface that are connected to each other, and the upper top surface and the lower top surface have a clearance groove 6 that is away from the mounting ring groove 20 .

[0034] It should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0035] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0036] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0037] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A shock-absorbing rubber pad, mounted on a mounting portion, comprising a sleeve (1) made of a metal material, the outer side of the sleeve (1) having a rubber outer layer (2), the outer side of the rubber outer layer (2) having a mounting ring groove (20) matching the mounting portion, characterized in that: It also comprises a metal embedded frame (3), the metal embedded frame (3) is arranged in the rubber outer layer (2), and the metal embedded frame (3) has a portion opposite to the mounting ring groove (20).

2. The shock-absorbing rubber pad according to claim 1, characterized in that: The metal embedded skeleton (3) comprises an axially extending portion (30) and a radially extending portion (31) which are connected to each other. The axially extending portion (30) extends along the axial direction of the rubber outer layer (2). The axially extending portion (30) has a portion opposite to the mounting ring groove (20).

3. The shock-absorbing rubber pad according to claim 2, characterized in that: The rubber outer layer (2) has an installation cavity for accommodating the metal embedded skeleton (3), the installation cavity comprising an axial cavity (21) for accommodating the axial extension portion (30) and a radial cavity (22) for accommodating the radial extension portion (31), and the outer side wall of the rubber outer layer (2) has a radial positioning hole (23) communicating with the radial cavity (22).

4. The shock-absorbing rubber pad according to claim 3, characterized in that: The end surface of the rubber outer layer (2) has an axial positioning hole (24) communicating with the radial cavity (22).

5. The shock-absorbing rubber pad according to claim 1, characterized in that: The portion of the rubber outer layer (2) located between the sleeve (1) and the metal embedded frame (3) has an inner buffer groove (25).

6. The shock-absorbing rubber pad according to claim 5, characterized in that: The depth of the inner buffer groove (25) is greater than the length of the metal embedded frame (3).

7. The shock-absorbing rubber pad according to claim 5, characterized in that: The inner side wall of the inner buffer groove (25) is provided with a rubber rib (5), and the thickness of the rubber rib (5) is smaller than the thickness of the inner buffer groove (25).

8. The shock-absorbing rubber pad according to claim 1, characterized in that: The upper end surface of the sleeve (1) is located below the upper end surface of the rubber outer layer (2).

9. The shock-absorbing rubber pad according to claim 1, characterized in that: The inner wall of the mounting ring groove (20) is provided with a clearance groove (6), and when no force is applied, the clearance groove (6) does not contact the mounting portion.

10. The shock-absorbing rubber pad according to claim 9, characterized in that: The mounting ring groove (20) comprises an upper top surface, a side surface and a lower bottom surface which are connected to each other, and a clearance groove (6) is provided on the upper top surface and / or the lower top surface in a direction away from the mounting ring groove (20).

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