CN217898623U

CN217898623U - Vibration damping pad assembly of air filter and vehicle

Info

Publication number: CN217898623U
Application number: CN202222236780.2U
Authority: CN
Inventors: 王乐凯; 朱静
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2022-11-25
Anticipated expiration: 2032-08-24

Abstract

The utility model discloses an air cleaner's damping pad subassembly and vehicle, include: the metal bushing comprises an axial part and a radial part, the radial part is connected to the end part of the axial part, the outer diameter of the radial part is larger than that of the axial part, the metal bushing is provided with a connecting hole which sequentially penetrates through the axial part and the radial part, and the metal bushing is connected with the vehicle body bracket through a connecting piece which is arranged in the connecting hole in a penetrating manner; the damping pad, the damping pad is filled up and is located the outside and be suitable for and link to each other with air cleaner in axial portion, the damping pad is equipped with first damping groove and/or second damping groove, first damping groove towards deviating from the direction of radial portion is opened, second damping groove orientation radial portion is opened. According to the utility model discloses air cleaner's damping pad subassembly is through setting up the damping groove on the damping pad for the vibration that transmits to the damping pad can cushion the weakening through the damping groove, promotes the damping effect.

Description

Vibration damping pad assembly of air filter and vehicle

Technical Field

The utility model belongs to the technical field of the automobile manufacturing technique and specifically relates to a damping pad subassembly and have vehicle of this damping pad subassembly of air cleaner is related to.

Background

The air filter of the automobile engine is generally connected with the engine through a rubber pipe, the air filter is fixed on an automobile body, vibration in the operation process of the engine can be transmitted to the air filter through the rubber pipe and then transmitted to the automobile body, the vibration of the automobile body is caused, and finally the sound noise of a cab is caused. In order to solve the problems, the air filter can be connected with a vehicle body through a damping pad, and the damping pad is generally made of rubber to relieve air filtering vibration. However, the damping pad of the air cleaner used in the prior art is generally made of solid rubber, and the damping effect is limited. Therefore, there is room for improvement.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide an air cleaner's damping pad subassembly for promote the damping effect, reduce the vibration that air cleaner transmitted to the automobile body, improve and drive experience.

According to the utility model discloses air cleaner's damping pad subassembly, include: the metal bushing comprises an axial part and a radial part, the radial part is connected to the end part of the axial part, the outer diameter of the radial part is larger than that of the axial part, the metal bushing is provided with a connecting hole which sequentially penetrates through the axial part and the radial part, and the metal bushing is connected with the vehicle body bracket through a connecting piece which is arranged in the connecting hole in a penetrating manner; the damping pad, the damping pad is filled up and is located the outside and be suitable for and link to each other with air cleaner in axial portion, the damping pad is equipped with first damping groove and/or second damping groove, first damping groove towards deviating from the direction of radial portion is opened, second damping groove orientation radial portion is opened.

According to the utility model discloses air cleaner's damping pad subassembly is used through setting up metal bush and damping pad combination, does benefit to the structural strength who promotes damping pad subassembly, does benefit to the vibration isolation rate that increases damping pad subassembly, and the damping pad is provided with the damping groove for the vibration that transmits to damping pad can cushion the weakening through the damping groove, promotes the damping effect, improves the travelling comfort of whole car.

According to the utility model discloses air cleaner's damping pad subassembly, first damping groove structure is the ring channel, just the opening width in first damping groove is towards deviating from the direction crescent of radial portion.

According to the utility model discloses air cleaner's damping pad subassembly, the longitudinal section in first damping groove is trapezoidal or triangle-shaped.

According to the utility model discloses air cleaner's damping pad subassembly, the opening angle in first damping groove is alpha, satisfies: alpha is more than or equal to 4 degrees and less than or equal to 10 degrees.

According to the utility model discloses air cleaner's damping pad subassembly, the degree of depth in first damping groove with the ratio of the height of damping pad is A, satisfies: a is more than or equal to 0.5 and less than or equal to 0.9.

According to the utility model discloses air cleaner's damping pad subassembly damping pad is axial, the degree of depth in first damping groove is greater than the degree of depth in second damping groove.

According to the utility model discloses air cleaner's damping pad subassembly, second damping groove structure is the ring channel, the second damping groove has the rectangle cross section.

According to the utility model discloses air cleaner's damping pad subassembly damping pad footpath the footpath of damping pad, first damping trench is located the inboard in second damping trench.

According to the utility model discloses air cleaner's damping pad subassembly, the damping pad still is equipped with the mounting groove, the mounting groove be used for with air cleaner installation cooperation the footpath of damping pad is upwards, first damping trench is located the radial inboard of mounting groove.

The utility model discloses still provide a vehicle.

According to the utility model discloses the vehicle is provided with any one of the air cleaner's of the above-mentioned embodiment damping pad subassembly.

The advantages of the vehicle and the vibration damping pad assembly of the air cleaner relative to the prior art are the same, and are not described in detail herein.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a front view of a vibration dampening pad assembly of an air cleaner according to an embodiment of the present disclosure;

FIG. 2 is a cross-sectional view of a vibration dampening pad assembly of an air cleaner according to an embodiment of the present disclosure;

FIG. 3 is a schematic structural view of a damping pad assembly of an air cleaner according to an embodiment of the present disclosure;

FIG. 4 is a schematic diagram of a metal bushing of a vibration dampening pad assembly of an air cleaner according to an embodiment of the present disclosure;

FIG. 5 is a schematic view of a damping pad structure of a damping pad assembly of an air cleaner according to an embodiment of the present disclosure;

fig. 6 is a top view of a damping pad according to an embodiment of the present invention;

fig. 7 is a bottom view of a damping pad according to an embodiment of the present invention.

Reference numerals:

the vibration damping pad assembly 1000 is provided with,

a vibration damping pad 100, a first vibration damping groove 1, a second vibration damping groove 2, a mounting groove 3,

metal bushing 200, axial portion 201, radial portion 202, connecting hole 203.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

Unless otherwise specified, the front-rear direction in the present application is the longitudinal direction of the vehicle, i.e., the X direction; the left and right directions are the transverse direction of the vehicle, namely the Y direction; the up-down direction is the vertical direction of the vehicle, i.e., the Z direction.

A vibration-damping pad assembly 1000 of an air cleaner according to an embodiment of the present invention is described below with reference to fig. 1 to 7, including: metal bushing 200 and damping pad 100.

As shown in fig. 4, the metal bushing 200 includes an axial portion 201 and a radial portion 202, the axial portion 201 is configured as a hollow cylindrical structure, and the radial portion 202 is configured as an annular structure. Wherein, the radial portion 202 is connected to the end of the axial portion 201, as shown in fig. 2, and is connected to the end of the axial portion 201 at the inner peripheral wall of the radial portion 202, and the inner diameter of the radial portion 202 is the same as the inner diameter of the axial portion 201 to smooth the inner peripheral wall of the metal bushing 200, the metal bushing 200 has a connection hole 203 sequentially passing through the axial portion 201 and the radial portion 202, the metal bushing 200 is connected to the vehicle body bracket by a connection member passing through the connection hole 203, so that the vibration-damping pad assembly 1000 is connected and fixed to the vehicle body by the connection member passing through the metal bushing 200.

The outer diameter of the radial portion 202 is greater than the outer diameter of the axial portion 201, so that the radial portion 202 can play a limiting role at the end of the axial portion 201, and thus when the vibration damping pad 100 is sleeved on the axial portion 201, the radial portion 202 can play an axial limiting role on the vibration damping pad 100, so that the vibration damping pad 100 is placed to move axially relative to the metal bushing 200, and the vibration damping pad assembly 1000 is structurally stable and reliable.

And the damping pad 100 is sleeved outside the axial portion 201 of the metal bushing 200, and the damping pad 100 is suitable for being connected with an air cleaner. That is, the air cleaner is in direct contact with the vibration-damping pad 100, and the metal bush 200 is fixed to the vehicle body, so that the vibration on the air cleaner is not directly transmitted to the vehicle body.

Wherein, damping pad 100 is equipped with first damping groove 1 and/or second damping groove 2, and first damping groove 1 opens towards the direction that deviates from radial portion 202, and second damping groove 2 opens towards radial portion 202, and first damping groove 1 and second damping groove 2 all can be used to reinforcing damping effect promptly. That is, the damping pad 100 is configured with two damping grooves which are open at both end surfaces of the damping pad 100, respectively, as shown in fig. 2, a first damping groove 1 is formed on a top end surface of the damping pad 100, and an opening of a second damping groove 2 is formed on a bottom end surface of the damping pad 100. From this, through in the different positions department of damping pad 100, all can carry out the damping through the damping groove like two terminal surfaces departments, realize the weakening of vibration effect to do benefit to the damping effect who promotes damping pad 100.

Therefore, after the vibration on the air filter is transmitted to the vibration damping pad 100, the vibration damping groove is utilized for vibration damping and buffering, so that the vibration energy transmitted to the vehicle body can be effectively weakened, and the vibration damping effect of the vibration damping pad assembly 1000 is improved.

As shown in fig. 3, the metal bushing 200 is disposed in the vibration damping pad 100, which is beneficial to improving the overall structural strength of the vibration damping pad assembly 1000, improving the vibration isolation rate of the vibration damping pad assembly 1000, and improving the service life of the vibration damping pad 100, thereby reducing the maintenance frequency. And, the utility model discloses a damping pad 100 can be made by rubber materials such as EPDM, NBR, and its hardness can reach 40 ~ 50 shao shi a, can guarantee the hardness of damping pad 100 itself, has good elasticity and sufficient intensity, promote buffering effect, and cooperate the damping groove to greatly promote the damping effect of damping pad 100 for the vibration that transmits from air cleaner department in the cockpit reduces, and then improves the riding comfort of vehicle, and the promotion is driven and is experienced.

According to the utility model discloses air cleaner's damping pad subassembly 1000 uses through setting up metal bush 200 and damping pad 100 combination, does benefit to the structural strength who promotes damping pad subassembly 1000, does benefit to the vibration isolation rate that increases damping pad subassembly 1000, and damping pad 100 is provided with the damping groove for transmit to damping pad 100 on the vibration can cushion the weakening through the damping groove, promote the damping effect, improve the travelling comfort of whole car.

In some embodiments, the first vibration damping groove 1 is configured as an annular groove such that the first vibration damping groove 1 may function as a vibration damping in the circumferential direction of the vibration damping pad 100, and the opening width of the first vibration damping groove 1 gradually increases toward a direction away from the radial portion 202. As shown in fig. 2, the first damping groove 1 is configured as an annular groove formed on the top end surface of the damping pad 100, the first damping groove 1 is opened upward, and the upper width of the first damping groove 1 is greater than the lower width, and the opening width of the first damping groove 1 is gradually increased from bottom to top.

Therefore, the first vibration damping groove 1 can divide the upper region of the vibration damping pad 100 into an inner ring part and an outer ring part, and the widths of the inner ring part and the outer ring part in the radial direction of the vibration damping pad 100 are gradually increased from bottom to top, so that the outer ring part can generate large elastic deformation at the upper end position relative to the inner ring part, and further play a role in vibration damping in the deformation process, and realize vibration absorption in the X direction and the Y direction.

In some embodiments, the longitudinal section of the first damping groove 1 is trapezoidal or triangular, and it should be noted that, as shown in fig. 1, the longitudinal direction of the first damping groove 1 is in the up-down direction, i.e., in the axial direction of the damping pad 100. Specifically, as shown in fig. 2, which is a longitudinal section of the vibration damping pad assembly 1000, the first vibration damping groove 1 in the section of the vibration damping pad 100 has two right trapezoid shapes and is symmetrically distributed with respect to the axial portion 201.

Thus, the first damping groove 1 can form a damping structure at the upper end surface of the damping pad 100, so that vibration absorption can be performed through the first damping groove 1 when vibration on the air cleaner is transmitted to the upper end region of the damping pad 100.

In some embodiments, the opening angle of the first damping groove 1 is α, satisfying: alpha is more than or equal to 4 degrees and less than or equal to 10 degrees, and alpha can be set to be 5 degrees or 6 degrees and other angles between 4 degrees and 10 degrees as in the actual design.

It should be noted that, as shown in fig. 2, the opening angle of the first vibration damping groove 1 can represent the size of the opening of the first vibration damping groove 1, and the opening angle of the first vibration damping groove 1 of this embodiment is set between 4 ° and 10 °, so that the vibration damping pad 100 has a good vibration damping effect at the first vibration damping groove 1, and the phenomenon that the structural strength of the vibration damping pad 100 is too small due to the excessively large opening angle of the first vibration damping groove 1 is avoided, and the effects of vibration damping and structural strength are taken into consideration.

In some embodiments, the ratio of the depth of the first damping groove 1 to the height of the damping pad 100 is a, satisfying: 0.5. Ltoreq. A. Ltoreq.0.9. As in the actual design, A can be set to 0.6, or to 0.7, and to other angles between 0.5 and 0.9.

From this, set up the degree of depth of first damping groove 1 into with the ratio of the height of damping pad 100 in appropriate within range, can guarantee that damping pad 100 has reliable damping effect in first damping groove 1 department, realize the effective buffering to the vibration, and can avoid the degree of depth of first damping groove 1 to set up the too big condition that causes the structural strength undersize of damping pad 100 and damping pad 100 inefficacy appears, from this, can compromise damping and structural strength's effect equally. Specifically, the depth of the first vibration damping groove 1 may be adjusted according to different vehicle types, so as to design the vibration damping pad 100 satisfying the requirement of vehicle type vibration damping rate.

In some embodiments, the depth of the first damping groove 1 is greater than the depth of the second damping groove 2 in the axial direction of the damping pad 100. As shown in fig. 2, the ratio of the depth of the first damping groove 1 to the height of the entire damping pad 100 may reach 0.5 to 0.9, i.e., the depth of the first damping groove 1 is at least greater than half of the height of the damping pad 100. And the second damping groove 2 is provided with a radially opened mounting groove 3 axially upward, so that the depth of the second damping groove 2 is significantly less than that of the first damping groove 1.

It can be understood that the depth of the first damping groove 1 can be adjusted to adapt to different vehicle types, and the depth of the second damping groove 2 has no specific requirement, that is, the auxiliary damping pad 100 can perform a damping function in the circumferential direction, and the depth of the second damping groove 2 affects the design of the mounting groove 3 and the first damping groove 1 if the design is too large. Thus, the depth of the first damping groove 1 needs to be greater than the depth of the second damping groove 2, and as shown in fig. 3, the depth a of the first damping groove 1, the height b of the damping pad 100, the depth c of the second damping groove 2, and satisfy the relationship: b-a < c can ensure that the first vibration reduction groove 1 can controllably adjust the depth to meet the matching requirements of various vehicle types.

In some embodiments, the second vibration damping groove 2 is configured as an annular groove, so that the second vibration damping groove 2 can perform a vibration damping function at a plurality of positions in the circumferential direction of the vibration damping pad 100, thereby improving the vibration damping effect. The second damping groove 2 has a rectangular longitudinal section.

Likewise, as shown in fig. 2, the second damping groove 2 is configured as an annular groove formed on the bottom end surface of the damping pad 100, the second damping groove 2 is open downward, and the upper width and the lower width of the second damping groove 2 are the same, and the opening width of the first damping groove 1 is equalized from below upward.

Therefore, the first vibration damping groove 1 can divide the lower area of the vibration damping pad 100 into an inner ring part and an outer ring part, and the widths of the inner ring part and the outer ring part in the radial direction of the vibration damping pad 100 are kept relatively balanced from bottom to top, so that the outer ring part can elastically deform at the upper end position relative to the inner ring part, and then the vibration damping effect is achieved in the deformation process, and the Z-direction vibration absorption is achieved.

In some embodiments, in the radial direction of the damping pad 100, the first damping groove 1 is located inside the second damping groove 2, as shown in fig. 2, the first damping groove 1 is located in a region close to the radially inner side of the upper end surface of the damping pad 100, and the second damping groove 2 is located in a region close to the radially middle of the lower end surface of the damping pad 100, so that the first damping groove 1 and the second damping groove 2 are distributed in sequence in the radial direction, that is, the first damping groove 1 and the second damping groove 2 are distributed in a staggered manner in the axial direction, thereby avoiding that the minimum distance between the first damping groove 1 and the second damping groove 2 of the damping pad 100 is too small, and ensuring the structural strength of the damping pad 100.

Therefore, the first damping grooves 1 and the second damping grooves 2 are reasonably distributed on the damping pad 100, and the damping effect and the structural strength are considered.

In some embodiments, the damping pad 100 is further provided with a mounting groove 3, the mounting groove 3 is used for mounting and matching with an air cleaner, it should be noted that, as shown in fig. 1, the mounting groove 3 is configured as an annular groove on the outer peripheral wall of the damping pad 100, that is, the air cleaner can be in mortise and tenon connection with the mounting groove 3 of the damping pad 100, so as to achieve stable connection of the damping pad 100 and the air cleaner.

And, in the radial direction of the vibration damping pad 100, the first vibration damping groove 1 is located radially inside the mounting groove 3. It should be noted that, after the vibration on the air cleaner is transmitted from the mounting groove 3 to the vibration damping pad 100, the vibration on the vibration damping pad 100 needs to be diffused inward to the metal bush 200, so that the vibration damping effect can be improved by performing the buffering vibration damping through the first vibration damping groove 1 in the diffusion process.

The utility model discloses still provide a vehicle.

According to the utility model discloses the vehicle uses through setting up metal bush 200 and damping pad 100 combination, does benefit to the structural strength who promotes damping pad subassembly 1000, does benefit to the vibration isolation rate that increases damping pad subassembly 1000, and damping pad 100 is provided with the damping groove for the vibration that transmits to damping pad 100 can cushion the weakening through the damping groove, promotes the damping effect, improves the travelling comfort of whole car. From this, can prevent effectively that air cleaner's vibration from transmitting to the automobile body to promote driver's driving experience.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A vibration dampening pad assembly for an air cleaner, comprising:

a metal bushing (200), the metal bushing (200) comprising an axial portion (201) and a radial portion (202), the radial portion (202) being connected to an end of the axial portion (201), and an outer diameter of the radial portion (202) being greater than an outer diameter of the axial portion (201);

damping pad (100), damping pad (100) cover is located outside axial portion (201) and be suitable for and link to each other with air cleaner, damping pad (100) are equipped with first damping groove (1) and/or second damping groove (2), first damping groove (1) is towards deviating from the direction of radial portion (202) is opened, second damping groove (2) orientation radial portion (202) are opened.

2. The vibration-damping pad assembly for an air cleaner as claimed in claim 1, wherein the first vibration-damping groove (1) is configured as an annular groove, and an opening width of the first vibration-damping groove (1) gradually increases toward a direction away from the radial portion (202).

3. The dampening shoe assembly of an air cleaner according to claim 2, characterized in that the first dampening groove (1) is trapezoidal or triangular in longitudinal section.

4. The dampening shoe assembly of an air cleaner according to claim 2, wherein the first dampening groove (1) has an opening angle α satisfying: alpha is more than or equal to 4 degrees and less than or equal to 10 degrees.

5. The dampening shoe assembly of an air cleaner as defined in claim 2 wherein the ratio of the depth of the first dampening groove (1) to the height of the dampening shoe (100) is a such that: a is more than or equal to 0.5 and less than or equal to 0.9.

6. The vibration-damping pad assembly of an air cleaner as claimed in claim 1, wherein the first vibration-damping groove (1) has a depth greater than that of the second vibration-damping groove (2) in an axial direction of the vibration-damping pad (100).

7. The dampening mat assembly of an air cleaner according to claim 2, characterized in that the second dampening groove (2) is configured as an annular groove, the second dampening groove (2) having a rectangular cross section.

8. The dampening pad assembly of an air cleaner according to claim 2, wherein the first dampening groove (1) is located inside the second dampening groove (2) in a radial direction of the dampening pad (100).

9. The vibration-damping pad assembly for an air cleaner according to claim 2, wherein the vibration-damping pad (100) is further provided with a mounting groove (3), the mounting groove (3) being adapted to be mounted in engagement with the air cleaner, the first vibration-damping groove (1) being located radially inside the mounting groove (3) in a radial direction of the vibration-damping pad (100).

10. A vehicle characterized by being provided with a vibration damping pad assembly of an air cleaner as recited in any one of claims 1 to 9.