Motorcycle exhaust silencer lining installation device

Abstract

The utility model discloses a motorcycle exhaust silencer lining installation device which comprises a silencer outer shell, a silencer inner shell, a front end cover and a tail end cover, the silencer outer shell is provided with a hollow silencing cavity, the opposite ends of the front end cover and the tail end cover are inserted into the two sides of the silencing cavity respectively, and the front end cover and the tail end cover are arranged in the silencing cavity. Mounting rings are arranged at the opposite ends of the front end cover and the tail end cover. According to the utility model, the mounting rings for mounting the inner shell of the silencer are designed on the front end cover and the rear end cover of the silencer, during assembly, the inner shell of the silencer is firstly inserted into one of the annular mounting cavities, then the sound insulation cotton is sleeved outside the inner shell of the silencer, and then the combined structure is mounted in the silencing cavity and is locked on the outer shell of the silencer by using the locking piece, so that the inner shell of the silencer is assembled. According to the heat insulation and noise elimination device, the heat insulation and noise elimination structure is installed in the end cover installation process, the overall working efficiency can be greatly improved, meanwhile, the whole heat insulation and noise elimination device is detachably connected, and subsequent replacement of the heat insulation and noise elimination structure is also facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to motorcycle muffler technical field, concretely is a motorcycle exhaust muffler lining installation device. BACKGROUND

[0002] With the development of science and technology and the improvement of people's living standards, various motor vehicles are widely used in people's daily life as common transportation tools, and the motorcycle is one of them. The motorcycle produces relatively large noise when driving, and various silencer materials are widely used on the motorcycle to achieve the purpose of reducing noise.

[0003] At present, most of the mufflers adopt double-layer structure, that is, an additional heat insulation and silencing structure is added in the shell. At present, the heat insulation and silencing structure is generally fixed in the shell by welding. The above fixing method can ensure the firmness of the installation of the heat insulation and silencing structure, but the welding method has the following problems: first, the welding process is more, the heat insulation and silencing structure needs to be welded and fixed on both sides of the shell, which affects the welding efficiency and the yield of the welding is difficult to guarantee; at the same time, the heat insulation and silencing structure is easy to be blocked and damaged after long time use, and due to the welding fixation, the whole structure needs to be replaced, which affects the overall replacement. In view of this, a motorcycle exhaust muffler lining installation device is proposed. SUMMARY

[0004] The utility model aims at: in order to solve the problem raised above, provide a motorcycle exhaust muffler lining installation device.

[0005] The utility model adopts the technical scheme as follows: a motorcycle exhaust muffler lining installation device, including the muffler shell, the muffler inner shell, the front end cover and the tail end cover, wherein the muffler shell has a hollow muffling cavity, the opposite ends of the front end cover and the tail end cover are respectively inserted in the muffling cavity on both sides, the opposite ends of the front end cover and the tail end cover are all provided with mounting rings, the annular heat insulation cavity of the heat insulation and silencing structure is provided with a ring-shaped mounting cavity formed by the end part of the muffler inner shell being concave inward, the two ends of the muffler inner shell are correspondingly inserted in the annular mounting cavity, and the position of the muffler inner shell in the muffler shell is limited.

[0006] In a preferred embodiment, the length of the muffler inner shell is the same as the length between the two annular mounting cavities, and the inner diameter and the outer diameter of the muffler inner shell are the same as the outer diameter and the inner diameter of the annular mounting cavity.

[0007] In a preferred embodiment, the muffler inner shell is integrally formed by metal perforated plate roll welding, and a plurality of through holes are distributed on the muffler inner shell.

[0008] In a preferred embodiment, an annular heat insulation cavity is formed between the muffler inner shell, the muffler outer shell and the mounting ring.

[0009] In a preferred embodiment, soundproof cotton is arranged in the annular heat insulation cavity and sleeved on the muffler inner shell.

[0010] In a preferred embodiment, an outwardly inclined slope is arranged on the inner edge of the two ends of the mounting ring.

[0011] In a preferred embodiment, the outer end surface of the front end cover and the tail end cover is respectively protruded to form a stop surface abutting against the end surface of the muffler outer shell.

[0012] In a preferred embodiment, the front end cover and the tail end cover are fixed on the muffler outer shell through a plurality of locking members.

[0013] In summary, due to the adoption of the above technical scheme, the muffler has the advantages that: the mounting ring for mounting the muffler inner shell is designed on the front end cover and the tail end cover of the muffler, in the assembly process, the muffler inner shell is first inserted into one of the annular mounting cavities, then the soundproof cotton is sleeved on the muffler inner shell, and then the combined structure is installed into the muffling cavity and locked on the muffler outer shell through the locking members, and then the remaining end cover is locked on the muffler outer shell, the installation of the heat insulation and muffling structure is realized in the process of installing the end cover, the overall working efficiency is greatly improved, the overall structure is detachably connected, the heat insulation and muffling structure can be replaced in the future, and the advantages that the current products do not have are achieved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic diagram of the plane structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the sectional plane structure of the utility model;

[0016] Figure 3 It is Figure 2 It is a schematic diagram of the enlarged structure of position A in the utility model;

[0017] Figure 4 It is a schematic diagram of the plane structure of the mounting ring in the utility model.

[0018] Marked in the figure: 1-front end cover, 2-muffler outer shell, 3-locking member, 4-tail end cover, 5-stop surface, 6-annular heat insulation cavity, 7-muffler inner shell, 8-mounting ring, 81-slope, 82-annular mounting cavity. DETAILED DESCRIPTION

[0019] In order to make the utility model purposes, technical scheme and advantages more clearly, the following will be further described in detail with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0020] Referring to Figures 1-4 A motorcycle exhaust muffler lining installation device, including muffler shell 2, muffler inner shell 7, front end cover 1 and tail end cover 4, wherein the muffler shell 2 has hollow muffling cavity, the opposite end of front end cover 1 and tail end cover 4 is inserted in muffling cavity both sides, the opposite end of front end cover 1 and tail end cover 4 is equipped with mounting ring 8, annular heat insulation cavity 6 is arranged with the annular mounting cavity 82 formed by the concave structure of muffler inner shell 7 end, muffler inner shell 7 both ends are inserted in annular mounting cavity 82, for limiting the position of muffler inner shell 7 in muffler shell 2, the mounting ring 8 for installing muffler inner shell 7 is designed on the front and rear end cover of muffler, when assembling, muffler inner shell 7 is inserted into one of annular mounting cavity 82, then the sound insulation material is sleeved on muffler inner shell 7, then the combined structure is installed into muffling cavity and is locked in muffler shell 2, then the remaining end cover is locked into muffler shell 2, the installation of end cover is realized simultaneously in the process of heat insulation and muffling structure, the overall working efficiency can be greatly improved, and the overall is detachably connected, so that the replacement of heat insulation and muffling structure is facilitated.

[0021] Further, the length of muffler inner shell 7 is same with the length between two annular mounting cavities 82, the inner diameter and outer diameter of muffler inner shell 7 are same with the outer diameter and inner diameter of annular mounting cavity 82, the above design can limit the installation position of muffler inner shell 7 when front end cover 1 and tail end cover 4 are installed into muffler shell 2 by using two annular mounting cavities 82.

[0022] Further, muffler inner shell 7 is formed by metal perforated plate roll welding, a plurality of through holes are distributed on muffler inner shell 7, the through holes of muffler inner cylinder 8 can guide gas into annular heat insulation cavity, so that the gas can be treated by muffling and heat insulation.

[0023] Further, annular heat insulation cavity is formed between muffler inner shell 7, muffler shell 2 and mounting ring 8, and the sound insulation cotton 6 sleeved on muffler inner shell 7 is arranged in annular heat insulation cavity, wherein the sound insulation cotton 6 is preferably made of asbestos material and is annular structure, the asbestos has good heat insulation and muffling effect, which can meet the auxiliary muffling, reduce the problem of muffler shell 2 and avoid scalding accidents.

[0024] Further, the inner edge of the mounting ring 8 at both ends is provided with an outwardly inclined slope 81, the design of the slope 81 can increase the size of the overall exhaust passage, so as to ensure the overall exhaust quality.

[0025] Further, the outer end surface of the front end cover 1 and the tail end cover 4 is respectively provided with a stop surface 5 abutting against the end surface of the muffler shell 2, the stop surface 5 can assist in limiting the position of the front end cover 1 and the tail end cover 4 mounted on the muffler shell 2, so as to improve the overall assembly precision.

[0026] Further, the front end cover 1 and the tail end cover 4 are fixed on the muffler shell 2 through a plurality of locking members 3, the locking member 3 is preferably a rivet, and the muffler shell 2, the front end cover 1 and the tail end cover 4 are correspondingly provided with a hole position for fixing the rivet, a plurality of rivets are arranged circumferentially on the muffler shell 2, and the rivet is used to realize the overall fixing operation, but the locking member 3 is not limited herein.

[0027] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A motorcycle exhaust muffler liner mounting device, characterized in that, The device includes a muffler housing, a muffler inner housing, a front end cover, and a rear end cover. The muffler housing has a hollow silencing cavity. The opposite ends of the front end cover and the rear end cover are respectively inserted into the two sides of the silencing cavity. Each of the opposite ends of the front end cover and the rear end cover is provided with a mounting ring. The annular heat insulation cavity of the heat insulation and silencing structure contains an annular mounting cavity formed by an inward indentation at the end of the muffler inner housing. The two ends of the muffler inner housing are correspondingly inserted into the annular mounting cavity to define the position of the muffler inner housing within the muffler housing.

2. The motorcycle exhaust muffler liner mounting device as described in claim 1, characterized in that: The length of the muffler inner shell is the same as the length between the two annular mounting cavities, and the inner and outer diameters of the muffler inner shell are the same as the outer and inner diameters of the annular mounting cavities.

3. The motorcycle exhaust muffler liner mounting device as described in claim 1, characterized in that: The inner shell of the muffler is formed by rolling and welding a perforated metal plate, and multiple through holes are distributed at intervals on the inner shell of the muffler.

4. The motorcycle exhaust muffler liner mounting device as described in claim 1, characterized in that: An annular heat insulation cavity is formed between the inner shell of the muffler, the outer shell of the muffler, and the mounting ring.

5. The motorcycle exhaust muffler liner mounting device as described in claim 1, characterized in that: The annular heat insulation cavity contains sound-insulating cotton that is fitted onto the inner shell of the muffler.

6. The motorcycle exhaust muffler liner mounting device as described in claim 1, characterized in that: The inner edges at both ends of the mounting ring are provided with outward-sloping surfaces.

7. The motorcycle exhaust muffler liner mounting device as described in claim 1, characterized in that: The outer end faces of the front end cover and the rear end cover respectively protrude to form a stop surface that abuts against the end face of the muffler housing.

8. The motorcycle exhaust muffler liner mounting device as described in claim 1, characterized in that: The front end cover and the rear end cover are fixed to the muffler housing by several locking components.

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