CN211008844U

CN211008844U - Silencer mounting structure

Info

Publication number: CN211008844U
Application number: CN201922082865.8U
Authority: CN
Inventors: 周道辉; 鲁健; 李彬
Original assignee: Dialev New Energy Automobile Co ltd
Current assignee: Dialev New Energy Automobile Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-07-14
Anticipated expiration: 2029-11-26

Abstract

The utility model provides a silencer mounting structure, which is used for mounting a silencer on a vehicle body and comprises a mounting piece fixedly arranged on a silencer body and a fastener penetrating through the mounting piece and the vehicle body to form fastening connection between the mounting piece and the vehicle body; the silencer mounting structure also comprises an elastic piece and a limiting piece, wherein the elastic piece is sleeved on the fastener and clamped between the mounting piece and the automobile body, and the limiting piece is at least partially arranged at the bottom of the elastic piece; the elastic piece can be elastically deformed due to the fastening of the fastening piece, and the limiting piece can be abutted between the elastic piece and the mounting piece due to the fastening of the fastening piece. Silencer mounting structure, can reduce the space occupation volume of silencer, simultaneously, still have the effect of elastic buffer concurrently, avoided adopting rigid connection among the prior art and easily received the emergence of damage problem, improved the stability of silencer when using greatly, better popularization meaning has.

Description

Silencer mounting structure

Technical Field

The utility model relates to an automobile parts technical field, in particular to silencer mounting structure.

Background

Silencers are a device that prevents sound transmission while allowing airflow through, and are an important measure for eliminating aerodynamic noise. A silencer is a noise reduction device installed in an air flow passage or an intake and exhaust system of an aerodynamic device.

The silencer among the prior art adopts the mode of hoist and mount to install on the automobile body more, and specifically structurally, the both ends at the silencer body are constructed first extension section respectively, are corresponding to each first extension section, have set firmly the second extension section respectively on the automobile body, are equipped with the mounting panel between first extension section and the second extension section that corresponds respectively, and two extension sections can insert the mounting hole on the mounting panel respectively to the setting of buckling will weld at last, thereby hang whole silencer body on the automobile body.

With the above mounting structure, there are the following disadvantages: first, the mounting plate is likely to be pulled downward by the type of muffler body. Second, such a mounting structure increases the space between the muffler body and the vehicle body, resulting in a large space occupied for the muffler installation.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a silencer mounting structure to can reduce the space occupation volume of silencer installation, and have better linkage effect.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a muffler mounting structure provided between a muffler and a vehicle body to constitute mounting of the muffler to the vehicle body, characterized in that: the silencer mounting structure comprises a mounting piece fixedly arranged on the silencer body and a fastener penetrating through the mounting piece and the automobile body to form fastening connection between the mounting piece and the automobile body; the muffler mounting structure further includes:

the elastic piece is sleeved on the fastening piece and clamped between the mounting piece and the vehicle body, and can elastically deform due to the fastening of the fastening piece;

and the limiting piece is at least partially arranged at the bottom of the elastic piece and can be abutted between the elastic piece and the mounting piece due to the fastening of the fastening piece.

Furthermore, the limiting part comprises a body, a clamping piece which can be elastically turned over relative to the body is constructed on the body, and a through groove is constructed on the body corresponding to the clamping piece; a clamping joint which is arranged in an outward turning way is formed at the free end of the clamping sheet, and a clamping hole is formed on the inner circumferential surface of the elastic piece corresponding to the clamping joint; because of the body in the installation in the elastic component, the joint piece can be acceptd lead to the inslot, and when the joint head slided to joint hole department, the joint piece elasticity expands outward and orders about the joint head card is arranged in the joint is downthehole.

Furthermore, the joint sheet is the ring the circumference equipartition of body is in at least two on the body, the joint hole match in the joint sheet setting.

Furthermore, a first through hole and a second through hole are formed in the elastic part, the second through hole is communicated with the first through hole and is far away from the vehicle body, the diameter of the second through hole is larger than that of the first through hole, and the limiting part is installed in the second through hole.

Furthermore, a first annular protrusion protruding inwards in the radial direction of the first through hole is formed at the top of the limiting member, and the first annular protrusion can abut against the joint of the first through hole and the second through hole.

Furthermore, a second annular protrusion protruding radially outward from the first through hole is formed at the bottom of the limiting member, and a limiting groove is formed at the bottom of the elastic member, wherein the limiting groove can limit the second annular protrusion to be inserted into the elastic member.

Furthermore, a plurality of hemispherical bulges which are arranged at intervals are constructed on the limiting surface of the limiting groove.

Further, the mounting pieces are brackets respectively arranged at two ends of the silencer body.

Further, the elastic part and the limiting part are integrally formed in a vulcanization mode.

Furthermore, the limiting part is of a cylindrical framework structure.

Compared with the prior art, the utility model discloses following advantage has:

(1) silencer mounting structure, through the installation of the cooperation realization silencer on the automobile body that adopts installed part and fastener, its mounting means of comparing the hoist and mount among the prior art can reduce the space and occupy the volume. And through setting up elastic component and locating part, can guarantee when the fastener fastening effect, still have the effect of elastic buffer concurrently, avoided adopting rigid connection among the prior art and easily receive the emergence of damage problem, improved the stability of silencer when using greatly, have better popularization meaning.

(2) The limiting part and the elastic part can be fixedly connected with each other through the clamping of the clamping joint in the clamping hole, and the structure is simple in installation and disassembly mode. In addition, the detachable connection mode can be used for replacing parts when the parts are damaged, so that the utilization rate of products can be improved.

(3) The setting of joint piece quantity does benefit to the stability that improves the locating part installation effect on the elastic component, and its simple structure, excellent in use effect.

(4) The arrangement of the first through hole and the second through hole can facilitate the installation of the limiting part on the elastic part and the installation of the fastening part on the elastic part, and the elastic part has a simple structure and is easy to machine and mold.

(5) Through the junction of first annular bulge butt in first through-hole and second through-hole, can carry on spacingly to the locating part that the installation target in place on the one hand, on the other hand can also increase the area of contact between locating part and the elastic component, improves the stability of locating part when using.

(6) The cooperation of the second annular bulge and the limiting groove can limit the limiting part which is moved in place, and the limiting part is easy to machine and form and has good use effect.

(7) The hemispherical bulge can increase the friction force between the limiting part and the elastic part, so that the connecting effect between the limiting part and the elastic part is further improved.

(8) The support is simple in structure, easy to install on the silencer body and small in space occupation.

(9) The processing mode of integrated vulcanization molding can greatly improve the processing efficiency.

(10) The locating part adopts the skeleton texture of tube-shape, and spacing effectual on the one hand, on the other hand still is convenient for install on the elastic component.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural diagram of a muffler mounting structure according to an embodiment of the present invention;

fig. 2 is a schematic structural view of an elastic member according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a limiting element according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of the elastic member and the limiting member according to the embodiment of the present invention in an installation state;

FIG. 5 is a sectional view taken along line A-A of FIG. 4;

description of reference numerals:

1-a vehicle body, 2-a muffler body;

3-elastic piece, 301-first through hole, 302-limit groove, 303-clamping hole, 304-guide groove, 305-second through hole;

4-a limiting part, 401-a second annular bulge, 402-a first annular bulge, 403-a clamping body and 404-a clamping joint;

5-bracket, 6-bolt and 7-nut.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The present embodiment relates to a muffler mounting structure provided between a muffler and a vehicle body to constitute mounting of the muffler on the vehicle body. The silencer mounting structure comprises a mounting piece fixedly arranged on a silencer body and a fastener penetrating through the mounting piece and a vehicle body to form fastening connection between the mounting piece and the vehicle body. The silencer mounting structure also comprises an elastic piece which is sleeved on the fastener and is clamped between the mounting piece and the automobile body, and a limiting piece which is at least partially arranged at the bottom of the elastic piece. The elastic piece can elastically deform due to the fastening of the fastening piece, and the limiting piece can abut against the elastic piece and the mounting piece due to the fastening of the fastening piece.

Silencer mounting structure described in this embodiment, the cooperation through adopting installed part and fastener realizes the installation of silencer on the automobile body, its mounting means who compares the hoist and mount among the prior art can reduce the space and occupy the volume. And through setting up elastic component and locating part, can guarantee when the fastener fastening effect, still have the effect of elastic buffer concurrently, avoided adopting rigid connection among the prior art and easily received the emergence of damage problem, improved the stability of silencer when using greatly.

Based on the above design concept, an exemplary structure of the muffler mounting structure of the present embodiment is shown in fig. 1, and the above muffler can adopt a muffler structure in the prior art, such as the present embodiment, the muffler is connected to the exhaust system on the vehicle body 1 to limit the amount of shaking of the exhaust system and reduce exhaust noise. The connection to the exhaust system can be found in the prior art and will not be described further. The muffler includes a cylindrical muffler body 2, and the muffler mounting structure in this embodiment is specifically mounted between both ends of the muffler body 2 and the vehicle body 1.

Continuing to refer to FIG. 1, the above-mentioned mounting member is a bracket 5 disposed at both ends of the muffler body 2, the bracket 5 is in the shape of an inverted "L" and is fixed on the muffler body 2 by welding so that the mounting member in the mounted state has a horizontal mounting surface, the above-mentioned fastener specifically includes a bolt 6 passing through the limiting member 4 and the elastic member 3, the bracket 5 and the body 1, and a nut 7 screwed on the top of the bolt 6. the fastening manner using the bolt 6 and the nut 7 in cooperation has advantages of product maturity, easy procurement and easy installation.

An exemplary structure of the elastic member 3 is shown in fig. 2, wherein a first through hole 301 and a second through hole 305 penetrating the first through hole 301 and arranged away from the vehicle body 1 are formed in the elastic member 3, the diameter of the second through hole 305 is larger than that of the first through hole 301, and the limiting member 4 is installed in the second through hole 305. In the present embodiment, in order to ensure the elastic buffer effect of the elastic member 3, it is preferably made of a rubber material.

An exemplary structure of the limiting member 4 is shown in fig. 3, and is a cylindrical skeleton structure, so that the fastener can pass through and reduce the self weight. In order to have a better limiting effect, the limiting member 4 in the embodiment may be made of a metal material, for example, iron or an alloy, so as to have a better supporting effect. The stopper 4 includes a body, a first annular protrusion 402 is formed at the top of the body and protrudes inward along the radial direction of the first through hole 301, and the first annular protrusion 402 can abut against the connection position of the first through hole 301 and the second through hole 305. Here, the first annular protrusion 402 is provided to increase the contact area between the stopper 4 and the elastic member 3 when the fastener is fastened, thereby improving the stability of the elastic member 3 in use in a compressed state.

In addition, a second annular protrusion 401 protruding radially from the first through hole 301 is formed at the bottom of the limiting member 4, and a limiting groove 302 is formed at the bottom of the elastic member 3, wherein the limiting groove 302 can limit the insertion of the second annular protrusion 401 into the elastic member 3. Here, the second annular protrusion 401 can also increase the contact area between the limiting member 4 and the elastic member 3, and the usage effect of the elastic member 3 in the compressed state. In this embodiment, a plurality of hemispherical protrusions are formed on the limiting surface of the limiting groove 302 at intervals to increase the connection effect between the limiting member 4 and the elastic member 3.

In order to improve the connection effect between the limiting member 4 and the elastic member 3, in the embodiment, as shown in fig. 3, a clamping piece 403 which can be elastically folded relative to the body is configured on the body, and a through groove is configured on the body corresponding to the clamping piece 403. A snap joint 404 is formed at a free end of the snap piece 403 to be turned inside out, and a snap hole 303 is formed on an inner circumferential surface of the elastic member 3 corresponding to the snap joint 404. As shown in fig. 4 and 5, the position of the position-limiting member 4 on the elastic member 3 is set in the elastic member 3, the latch piece 403 can be accommodated in the through groove, and when the latch head 404 slides to the latch hole 303, the latch piece 403 elastically expands and drives the latch head 404 to latch in the latch hole 303. So as to ensure the connection effect between the elastic member 3 and the limiting member 4 by the clamping of the clamping head 404 in the clamping hole 303. When the two are disassembled, the clamping head 404 drives the clamping sheet 403 to elastically deform and be accommodated in the through groove by means of pushing of external force in the clamping hole 303, and the limiting piece 4 is forcibly slid out of the elastic piece 3 when the clamping head 404 is pulled out from the clamping hole 303.

The joint piece in this embodiment is two on the body for the circumference equipartition of ring body, and joint hole 303 matches in the setting of joint piece. Of course, the number of the clamping pieces can be increased according to specific use requirements, and the arrangement of the number of the clamping pieces is favorable for improving the stability of the installation effect of the limiting piece 4 on the elastic piece 3, and the elastic piece is simple in structure and good in use effect.

In addition, in order to facilitate the snap joint to go into the snap hole 303, in the embodiment, corresponding to the snap hole 303, a guide groove 304 is configured at the bottom end of the second through hole 305 on the elastic member 3, and the top end of the guide groove 304 extends to the snap hole 303. When installing locating part 4, the bayonet joint on it needs to be set up with guide slot 304 correspondence earlier to ensure that the bayonet joint can block and arrange in joint hole 303.

In the structure, the limiting part 4 and the elastic part 3 can be fixedly connected with each other through the clamping of the clamping joint in the clamping hole 303, and the structure is simple in installation and disassembly modes. In addition, the detachable connection mode can be used for replacing parts when the parts are damaged, so that the utilization rate of products can be improved.

It should be noted that, in addition to the above-mentioned detachable connection manner, the elastic element 3 and the limiting element 4 in the present embodiment may be integrally formed by vulcanization, so as to improve the production efficiency of the product.

When the silencer mounting structure is used, the bolt 6 penetrates through the bracket 5, the elastic part 3 provided with the limiting part 4 is sleeved on the elastic part, the bolt 6 penetrates through the vehicle body 1, the bolt 6 is fastened and mounted by the nut 7, and when the silencer cannot be screwed down any more, the installation of the silencer is in place. When the muffler in the mounted state vibrates due to the vibration transmitted from the vehicle body 1, the elastic member 3 located above the stopper 4 can exert an elastic buffering effect, thereby protecting the mounting effect and the use stability of the muffler on the vehicle body 1.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A muffler mounting structure provided between a muffler and a vehicle body (1) to constitute mounting of the muffler on the vehicle body (1), the muffler including a muffler body (2), characterized in that: the muffler mounting structure comprises a mounting piece fixedly arranged on the muffler body (2) and a fastener penetrating through the mounting piece and the vehicle body (1) to form fastening connection between the mounting piece and the vehicle body; the muffler mounting structure further includes:

the elastic piece (3) is sleeved on the fastening piece and clamped between the mounting piece and the vehicle body (1), and the elastic piece (3) can elastically deform due to fastening of the fastening piece;

and the limiting piece (4) is at least partially arranged at the bottom of the elastic piece (3), and the limiting piece (4) can be abutted between the elastic piece (3) and the mounting piece due to the fastening of the fastening piece.

2. The muffler mounting structure according to claim 1, wherein: the limiting piece (4) comprises a body, a clamping sheet (403) which can be elastically folded relative to the body is formed on the body, and a through groove is formed on the body corresponding to the clamping sheet (403); a clamping head (404) which is arranged in an outward turning mode is formed at the free end of the clamping sheet (403), and a clamping hole (303) is formed on the inner circumferential surface of the elastic piece (3) corresponding to the clamping head (404); because the body is arranged in the elastic piece (3), the clamping sheet (403) can be accommodated in the through groove, and when the clamping connector (404) slides to the clamping hole (303), the clamping sheet (403) elastically expands outwards and drives the clamping connector (404) to be clamped in the clamping hole (303).

3. The muffler mounting structure according to claim 2, wherein: the clamping pieces are at least two of the clamping pieces which are arranged on the body in a ring mode and are uniformly distributed in the circumferential direction of the body, and the clamping holes (303) are matched with the clamping pieces.

4. The muffler mounting structure according to claim 1, wherein: the elastic piece (3) is provided with a first through hole (301) and a second through hole (305) which is communicated with the first through hole (301) and is far away from the vehicle body (1), the diameter of the second through hole (305) is larger than that of the first through hole (301), and the limiting piece (4) is installed in the second through hole (305).

5. The muffler mounting structure according to claim 4, wherein: a first annular protrusion (402) protruding inwards in the radial direction of the first through hole (301) is formed at the top of the limiting member (4), and the first annular protrusion (402) can abut against the joint of the first through hole (301) and the second through hole (305).

6. The muffler mounting structure according to claim 4, wherein: a second annular protrusion (401) protruding radially along the first through hole (301) is formed at the bottom of the limiting member (4), a limiting groove (302) is formed at the bottom of the elastic member (3), and the limiting groove (302) can limit the second annular protrusion (401) inserted into the elastic member (3).

7. The muffler mounting structure according to claim 6, wherein: a plurality of hemispherical bulges which are arranged at intervals are formed on the limiting surface of the limiting groove (302).

8. The muffler mounting structure according to claim 1, wherein: the mounting pieces are brackets (5) which are respectively arranged at two ends of the silencer body (2).

9. The muffler mounting structure according to claim 1, wherein: the elastic piece (3) and the limiting piece (4) are integrally formed in a vulcanization mode.

10. The muffler mounting structure according to any one of claims 1 to 9, wherein: the limiting piece (4) is of a cylindrical framework structure.