CN216101516U

CN216101516U - Vibration-damping rubber pad for radiator

Info

Publication number: CN216101516U
Application number: CN202122953380.9U
Authority: CN
Inventors: 孙文; 魏巍; 贺国庆
Original assignee: BAIC Ruixiang Automobile Co Ltd
Current assignee: BAIC Ruixiang Automobile Co Ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-03-22
Anticipated expiration: 2031-11-29

Abstract

The utility model relates to a vibration-damping rubber pad of a radiator, which comprises a rubber pad body, wherein the rubber pad body comprises an upper cylinder, an annular boss and a lower cylinder which are sequentially connected along the axial direction; the rubber pad body is internally provided with an installation through hole; the diameter of the annular boss is larger than that of the upper cylinder and the lower cylinder, and the upper cylinder, the annular boss and the lower cylinder are integrally formed by injection molding; a clearance ring groove is arranged at one end of the outer circumferential surface of the upper column body facing the annular boss; the end face of one end of the annular boss is concavely provided with a plurality of grooves, and the grooves radially extend to the outer circumferential face penetrating through the annular boss to form gaps; the end face of the other end of the annular boss is provided with a plurality of buffer holes in a concave mode. According to the vibration reduction rubber pad for the radiator, the clearance ring groove is arranged between the upper cylinder body and the annular boss, when pressure is applied to the upper cylinder body, the clearance ring groove can be compressed and deformed, the obtained deformation enables the whole rubber pad to have better vibration absorption capacity, and meanwhile, errors of the upper size and the lower size can be effectively compensated.

Description

Vibration-damping rubber pad for radiator

Technical Field

The utility model belongs to the technical field of automobiles, and particularly relates to a vibration reduction rubber mat for a radiator.

Background

On the existing automobile, a radiator is installed on a frame (automobile body) of an engine compartment, a damping pad is arranged between the automobile body and the radiator and serves as a connecting piece for isolating the radiator from an automobile body metal plate to support and limit relative movement of parts of cooling modules such as the radiator and the like, so that noise and vibration generated during operation of the parts are reduced, normal operation of the parts of an automobile cooling system is guaranteed, the whole automobile obtains more excellent NVH (noise, vibration and sound vibration roughness) characteristics, and driving experience is improved.

In the prior art, for example: CN206317688U, a vibration damping rubber pad of an automobile radiator is provided, wherein a first vibration damping block connected with the radiator is in a circular truncated cone shape, and the top surface of the circular truncated cone is in contact with the radiator; the circular truncated cone-shaped design cannot ensure enough vibration absorption amount and is easy to damage, so that the vibration absorption and aging resistance of the circular truncated cone-shaped vibration absorber need to be further improved, and the structure needs to be further optimized.

Disclosure of Invention

In view of the above-mentioned deficiencies of the prior art, the technical problem to be solved by the present invention is to provide a vibration-damping rubber pad for a heat sink, which avoids the problem that the vibration-damping rubber pad is easy to damage due to the vibration-absorbing amount of the vibration-damping rubber pad, obtains the effect of compensating when the vibration-absorbing amount and the vertical dimension have errors, and further improves the vibration-damping and aging-resistant performance of the vibration-damping rubber pad.

In order to solve the technical problems, the utility model adopts the following technical scheme:

a vibration reduction rubber mat for a radiator comprises a rubber mat body, wherein the rubber mat body comprises an upper cylinder, an annular boss and a lower cylinder which are sequentially connected along the axial direction; the rubber gasket body is internally provided with an installation through hole which penetrates through the upper cylinder, the annular boss and the lower cylinder along the axial direction and is used for inserting an installation bolt of the radiator; the diameter of the annular boss is larger than that of the upper cylinder and that of the lower cylinder, and the upper cylinder, the annular boss and the lower cylinder are integrally formed by injection molding; the outer circumferential surface of one end of the upper cylinder body adjacent to the annular boss is provided with a clearance ring groove so that the rubber pad is compressed and deformed to obtain more vibration absorption quantity; the end face of one end of the annular boss, which is adjacent to the upper cylinder, is recessed with a plurality of grooves, and the grooves extend to the outer circumferential surface of the annular boss along the radial direction to form gaps; the end face of one end, adjacent to the lower column body, of the annular boss is provided with a plurality of buffer holes in a concave mode, and the buffer holes are blind holes.

Further perfecting the technical scheme, the clearance-avoiding ring groove is formed by connecting an upper column body, which extends to one end of the annular boss along the axial direction and gradually shrinks inwards along the radial direction, with the annular boss.

Furthermore, the number of the notches and the buffer holes is matched, and the notches and the buffer holes are in one-to-one correspondence in the circumferential direction.

Further, the number of the notches is 4 and the notches are uniformly distributed in the circumferential direction; the number of the buffer holes is 4 and the buffer holes are evenly distributed in the circumferential direction.

Furthermore, a metal support frame is embedded in the rubber mat body; the metal support frame is a rotating body and is positioned on the same axis with the installation through hole, and the metal support frame comprises a horizontal part embedded in the annular boss and a vertical part embedded in the lower column.

Further, the horizontal part of the metal support frame extends outwards along the radial direction to be communicated with the notch; the buffer hole vertically extends to be communicated with the horizontal part of the metal support frame.

Further, the diameter of the lower cylinder is larger than that of the upper cylinder.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the vibration reduction rubber pad for the radiator, the clearance ring groove is arranged between the upper cylinder body and the annular boss, when pressure is applied to the upper cylinder body, the clearance ring groove can be compressed and deformed, the obtained deformation enables the whole rubber pad to have better vibration absorption capacity, and meanwhile, errors of the upper size and the lower size can be effectively compensated.

2. According to the vibration reduction rubber mat for the radiator, the metal support frame is embedded in the rubber mat body, so that the hardness of rubber of the rubber mat can be further reduced, the rubber mat can obtain better vibration isolation performance, meanwhile, the metal support frame can also provide a support effect, the structural strength of the whole rubber mat is improved, and the aging resistance of the rubber mat is optimized.

3. According to the vibration reduction rubber pad for the radiator, the plurality of buffer holes and the plurality of notches are formed in the two end faces of the annular boss, so that the extrusion, vibration reduction and compression deformation performances of rubber in the vibration process are improved, the whole vibration reduction rubber pad has better vibration absorption and aging resistance, the metal support frame is communicated with the buffer holes and the notches, and the metal support frame is also beneficial to positioning in the injection molding process of the rubber pad body.

Drawings

FIG. 1 is a perspective view of a vibration-damping rubber pad of a heat sink in an embodiment;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a bottom view of FIG. 1;

the device comprises an upper column body 1, an annular boss 2, a lower column body 3, an installation through hole 4, a clearance ring groove 5, a buffer hole 6, a notch 7 and a metal support frame 8.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 4, a vibration-damping rubber pad for a heat sink in an embodiment includes a rubber pad body, where the rubber pad body includes an upper cylinder 1, an annular boss 2, and a lower cylinder 3, which are sequentially connected along an axial direction; the rubber gasket body is internally provided with an installation through hole 4 which penetrates through the upper cylinder 1, the annular boss 2 and the lower cylinder 3 along the axial direction so as to insert an installation bolt of the radiator; the diameter of the annular boss 2 is larger than that of the upper cylinder 1 and the lower cylinder 3, and the upper cylinder 1, the annular boss 2 and the lower cylinder 3 are integrally formed by injection molding; the outer circumferential surface of one end of the upper column body 1 adjacent to the annular boss 2 is provided with a clearance ring groove 5 so that the rubber mat obtains more vibration absorption amount after being compressed and deformed; the clearance ring groove 5 is formed by connecting the upper column body 1, which extends to one end of the annular boss 2 along the axial direction, gradually shrinks inwards along the radial direction and then is connected with the annular boss 2; the end surface of one end of the annular boss 2 adjacent to the upper column body 1 is concavely provided with a plurality of grooves, and the grooves radially extend to penetrate through the outer circumferential surface of the annular boss 2 to form gaps 7; the end face of the end, adjacent to the lower column body 3, of the annular boss 2 is provided with a buffer hole 6 in a concave mode, and the buffer hole 6 is a blind hole.

According to the vibration reduction rubber mat of the radiator, the clearance ring groove 5 is arranged between the upper cylinder body 1 and the annular boss 2, when pressure is applied to the upper cylinder body 1, the clearance ring groove 5 can be compressed and deformed, the obtained deformation enables the whole rubber mat to have better vibration absorption capacity, and meanwhile, errors of the upper size and the lower size can be effectively compensated; further set up a plurality of buffer holes 6 and breach 7 on two terminal surfaces of annular boss 2, increase extrusion, shock attenuation, the compression deformation performance of rubber in the vibration process to make whole damping cushion have better and inhale and shake and ageing-resistant performance.

With continued reference to fig. 1-4, the number of the notches 7 and the buffer holes 6 is adapted, and the notches 7 and the buffer holes 6 are in one-to-one correspondence in the circumferential direction. The number of the notches 7 is 4, and the notches are uniformly distributed in the circumferential direction; the number of the buffer holes 6 is 4 and the buffer holes are evenly distributed in the circumferential direction.

Therefore, the vibration damping performance and the aging resistance of the whole vibration damping rubber pad of the radiator are further improved.

Wherein, the embedded metal support frame 8 that is equipped with of cushion body, metal support frame 8 is the rotator and is located the same axis with installation through-hole 4, on the cross-section of crossing installation through-hole 4 axis, the cross-section unilateral of metal support frame 8 is L shape and inlays the horizontal part of locating in annular boss 2 and extends and inlays the vertical part of locating in lower cylinder 3. The free end of the horizontal part of the metal support frame 8 faces outwards and extends outwards along the radial direction to be communicated with the notch 7; the buffer holes 6 extend to communicate with the horizontal portion of the metal support frame 8.

Therefore, the metal support frame 8 is embedded in the rubber mat body, so that the hardness of rubber of the rubber mat can be further reduced, and the rubber mat can obtain better vibration isolation performance; the metal support frame 8 can also provide a support effect, the structural strength of the whole rubber mat is improved, and the aging resistance of the rubber mat is optimized; make metal support frame 8 and buffer hole 6, breach 7 be linked together simultaneously, also help fixing a position metal support frame 8 at the in-process of cushion body injection moulding.

Wherein, the diameter of the lower cylinder 3 is larger than that of the upper cylinder 1.

Thus, the transverse thickness of the lower column body 3 is increased, so that the vibration absorption amount of the whole rubber cushion is increased, and larger size deviation can be allowed, so that the assembly is easier.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. A vibration reduction rubber mat for a radiator comprises a rubber mat body, wherein the rubber mat body comprises an upper cylinder, an annular boss and a lower cylinder which are sequentially connected along the axial direction; the rubber gasket body is internally provided with an installation through hole which penetrates through the upper cylinder, the annular boss and the lower cylinder along the axial direction and is used for inserting an installation bolt of the radiator; the diameter of the annular boss is larger than that of the upper cylinder and that of the lower cylinder, and the upper cylinder, the annular boss and the lower cylinder are integrally formed by injection molding;

the method is characterized in that: the outer circumferential surface of one end of the upper cylinder body adjacent to the annular boss is provided with a clearance ring groove so that the rubber pad is compressed and deformed to obtain more vibration absorption quantity;

the end face of one end of the annular boss, which is adjacent to the upper cylinder, is recessed with a plurality of grooves, and the grooves extend to the outer circumferential surface of the annular boss along the radial direction to form gaps; the end face of one end, adjacent to the lower column body, of the annular boss is provided with a plurality of buffer holes in a concave mode, and the buffer holes are blind holes.

2. The vibration-damping rubber pad for the heat radiator of claim 1, wherein: the clearance ring groove is formed by connecting an upper cylinder body, which extends to one end of the annular boss along the axial direction, gradually shrinks inwards along the radial direction and then is connected with the annular boss.

3. The vibration-damping rubber pad for the heat radiator of claim 1, wherein: the quantity looks adaptation of breach and gentle punching hole and breach and gentle punching hole are the one-to-one in circumference.

4. The vibration-damping rubber pad for the heat radiator as claimed in claim 3, wherein: the number of the notches is 4, and the notches are uniformly distributed in the circumferential direction; the number of the buffer holes is 4 and the buffer holes are evenly distributed in the circumferential direction.

5. The vibration-damping rubber pad for the heat radiator of claim 1, wherein: a metal support frame is embedded in the rubber mat body; the metal support frame is a rotating body and is positioned on the same axis with the installation through hole, and the metal support frame comprises a horizontal part embedded in the annular boss and a vertical part embedded in the lower column.

6. The vibration-damping rubber pad for the heat radiator as claimed in claim 5, wherein: the horizontal part of the metal support frame extends outwards along the radial direction to be communicated with the notch; the buffer hole vertically extends to be communicated with the horizontal part of the metal support frame.

7. The vibration-damping rubber pad for the heat radiator according to any one of claims 1 to 6, wherein: the diameter of the lower cylinder is larger than that of the upper cylinder.