CN208845249U - A kind of automotive muffler based on rubber tube component - Google Patents

A kind of automotive muffler based on rubber tube component Download PDF

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Publication number
CN208845249U
CN208845249U CN201821337104.1U CN201821337104U CN208845249U CN 208845249 U CN208845249 U CN 208845249U CN 201821337104 U CN201821337104 U CN 201821337104U CN 208845249 U CN208845249 U CN 208845249U
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China
Prior art keywords
rubber tube
intermediate bulkhead
shell
automotive muffler
layer
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CN201821337104.1U
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Chinese (zh)
Inventor
王石
王桂军
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Nanjing Vincent New Materials Co Ltd
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Nanjing Vincent New Materials Co Ltd
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Priority to CN201821337104.1U priority Critical patent/CN208845249U/en
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Abstract

The utility model discloses a kind of automotive mufflers based on rubber tube component, including shell and the first rubber tube, the top sealed set of shell has top spacer and sealed bottom is provided with bottom baffles, the bore seal of shell is provided with intermediate bulkhead, top anechoic room is formed between top spacer and intermediate bulkhead, bottom-silencing room is formed between bottom baffles and intermediate bulkhead, first rubber tube is through top spacer and the distance of the top surface spacing of end and intermediate bulkhead setting, several through-holes are provided on intermediate bulkhead, it further include third rubber tube, the head end of third rubber tube, which is located in bottom-silencing room and end and sequentially passes through two through-holes of intermediate bulkhead, is connected to bottom baffles, tailpipe is connected through bottom baffles with third rubber tube, first rubber tube and third rubber tube include the rough inner glue layer of inner wall, inner glue layer Outside is provided with sound absorption backing layer, is enclosed with outer glue-line on the outside of the backing layer that absorbs sound.Effectively improve the noise reduction and cooling effect of silencer.

Description

A kind of automotive muffler based on rubber tube component
Technical field
The utility model relates to a kind of automotive mufflers based on rubber tube component.
Background technique
The exhaust gas that automobile engine generates has certain air pressure and high temperature, therefore cannot be directly discharged into atmosphere, needs It safe could be drained into atmosphere after carrying out noise reduction process by silencer, silencer needs to be connected to engine by rubber tube Simultaneously treated tail gas is discharged by rubber tube for the exhaust gas of generation, and therefore, rubber tube component is an important portion of silencer Part, and the rubber tube component of existing design is relatively simple for structure, can not improve the noise reduction and cooling effect of silencer.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of automotive muffler based on rubber tube component, changed by structure Into, it is not only small in size, but also can effectively improve the noise reduction and cooling effect of silencer, avoid tail gas from causing damages environment.
To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions:
A kind of automotive muffler based on rubber tube component, including shell and the first rubber tube being connected with engine, institute The top sealed set for stating shell has a top spacer, and the sealed bottom of the shell is provided with bottom baffles, the shell it is interior Chamber sealed set has intermediate bulkhead, between the top spacer and intermediate bulkhead formed top anechoic room, the bottom baffles and Bottom-silencing room is formed between intermediate bulkhead, first rubber tube is through top spacer and the first end of rubber pipe and middle interval The distance of the top surface spacing setting of plate, is provided with several through-holes on the intermediate bulkhead, further includes third rubber tube, and described the The head end of three rubber tubes, which is located in bottom-silencing room and end and sequentially passes through two through-holes of intermediate bulkhead, is connected to bottom baffles, The tailpipe is connected through bottom baffles with third rubber tube, and first rubber tube and third rubber tube include interior Wall rough inner glue layer is provided with sound absorption backing layer on the outside of the inner glue layer, is enclosed on the outside of the sound absorption backing layer Outer glue-line.
It is preferred that being additionally provided with steel wire winding layer between sound absorption backing layer and the outer glue-line.
It is preferred that the tailpipe is stainless steel exhaust pipe.
It is preferred that the cavity of first rubber tube and third rubber tube includes that several are integrally formed, inner wall is rough Cavity segment, the cross section of each cavity segment is of different sizes.
It is preferred that the shell is double-layer structure, vacuum layer is formed between ectonexine shell.
It is preferred that the head end of the third rubber tube is provided with horn mouth and horn mouth spacing intermediate bulkhead bottom 2-5cm.
It is preferred that further including the second rubber tube being connected with engine, first rubber tube and the second rubber tube are set in parallel It sets.
It is preferred that the top spacer, intermediate bulkhead and bottom baffles are arranged in parallel and intermediate bulkhead spacing top spacer Distance is between 1.5-2 times of spacing bottom baffles distance.
The beneficial effects of the utility model are:
The energy of waste gas stream can be effectively consumed by the first rubber tube and third rubber tube, exhaust gas is along rough flat Surface current moves and iterates through cross section cavity of different sizes, not only small in size, but also can effectively improve the noise reduction of silencer And cooling effect, avoid tail gas from causing damages environment.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the automotive muffler based on rubber tube component of the utility model;
Fig. 2 is the cross-sectional view of the utility model rubber tube;
The mark meaning of attached drawing is as follows:
1: the first rubber tube;2: the second rubber tubes;3: intermediate bulkhead;4: bottom-silencing room;5: bottom baffles;6: top every Plate;7: third rubber tube;8: tailpipe;9: sound absorption backing layer;10: inner glue layer;11: steel wire winding layer;12: outer glue-line.
Specific embodiment
Technical solutions of the utility model are described in further detail with specific embodiment with reference to the accompanying drawing, so that Those skilled in the art can better understand the utility model and can be practiced, but illustrated embodiment is not as to this reality With novel restriction.
Fig. 1 is automotive muffler overall structure figure, wherein the specific structure of rubber tube component is as follows:
Including intermediate bulkhead 3, third rubber tube 7 and the first rubber tube 1 being connected with engine, first rubber tube 1 End and intermediate bulkhead 3 top surface spacing setting distance and intermediate bulkhead 3 on be provided with several through-holes, pass through the first rubber The exhaust gas of engine is transported to top anechoic room by sebific duct 1.Third rubber tube 7 is connected with tailpipe 8, the third rubber The head end of pipe 7 is located at the bottom of intermediate bulkhead 3 and end sequentially passes through two through-holes of intermediate bulkhead 3 and is connected with tailpipe 8 Logical, that is, one end of third rubber tube 7 is located in bottom-silencing room 4, the other end is connected to bottom baffles 5, and interlude is formed One elbow is located in the anechoic room of top, can reduce the whole occupied space of silencer.
As shown in Fig. 2, first rubber tube 1 and third rubber tube 7 include the rough inner glue layer 10 of inner wall, it is described The outside of inner glue layer 10 is provided with sound absorption backing layer 9, and the outside of the sound absorption backing layer 9 is enclosed with outer glue-line 12, it is preferable that described It is additionally provided with steel wire winding layer 11 between sound absorption backing layer 9 and outer glue-line 12, not only artesian condition is good, shock resistance is good, also With certain decrease of noise functions.
Wherein, the cavity of first rubber tube 1 and third rubber tube 7 include several integrally formed, inner walls not only The cross section of sliding cavity segment, each cavity segment is of different sizes, that is, the cross-sectional shape of different cavity segments is different, according to thickness Difference is arranged alternately.
In Fig. 1, the head end of the third rubber tube 7 is provided with horn mouth and 3 bottom 2- of horn mouth spacing intermediate bulkhead 5cm, corresponding, the 3 bottom 10-15cm of end spacing intermediate bulkhead of the third rubber tube 7, this distance namely bottom-silencing The height of room 4.Exhaust gas cooling is further speeded up in order to shunt, rubber tube component further includes the second rubber tube being connected with engine 2, first rubber tube 1 and the second rubber tube 2 are arranged in parallel, and the second rubber tube 2 is identical with the first rubber tube 1, including structure And shape.
Corresponding, a kind of automotive muffler based on rubber tube component referring to Fig. 1, including shell and is connected with engine The first rubber tube 1, it is preferable that shell is double-layer structure, forms vacuum layer between ectonexine shell, can further noise reduction.Institute The top sealed set for stating shell has top spacer 6, and the sealed bottom of the shell is provided with bottom baffles 5, the shell Bore seal is provided with intermediate bulkhead 3, between the top spacer 6 and intermediate bulkhead 3 formed top anechoic room, the bottom every Bottom-silencing room 4 is formed between plate 5 and intermediate bulkhead 3.
First rubber tube 1 is through top spacer 6 and the top surface spacing of 1 end of the first rubber tube and intermediate bulkhead 3 is set Fixed distance is provided with several through-holes on the intermediate bulkhead 3, which is characterized in that and it further include third rubber tube 7, described The head end of three rubber tubes 7 be located in bottom-silencing room 4 and end sequentially pass through intermediate bulkhead 3 two through-holes be connected to bottom every Plate 5, the tailpipe 8 is connected through bottom baffles 5 with third rubber tube 7, in general, the tailpipe 8 can be adopted With stainless steel exhaust pipe.
As shown in Fig. 2, first rubber tube 1 and third rubber tube 7 include the rough inner glue layer 10 of inner wall, it is described The outside of inner glue layer 10 is provided with sound absorption backing layer 9, and the outside of the sound absorption backing layer 9 is enclosed with outer glue-line 12, it is preferable that described Steel wire winding layer 11 is additionally provided between sound absorption backing layer 9 and outer glue-line 12.First rubber tube 1 and third rubber tube 7 Cavity includes several integrally formed, rough cavity segments of inner wall, and the cross section of each cavity segment is of different sizes.
In Fig. 1, the head end of third rubber tube 7 is provided with horn mouth and 3 bottom 2-5cm of horn mouth spacing intermediate bulkhead.Institute State that top spacer 6, intermediate bulkhead 3 and bottom baffles 5 are arranged in parallel and the distance of 3 spacing top spacer 6 of intermediate bulkhead is spacing Between 1.5-2 times of 5 distance of bottom baffles.Automotive muffler further includes the second rubber tube 2 being connected with engine, and described first Rubber tube 1 and the second rubber tube 2 are arranged in parallel, and the second rubber tube 2 is identical with the first rubber tube 1, including structure and shape.
The energy of waste gas stream, exhaust gas can be effectively consumed by the first rubber tube 1, the second rubber tube 2 and third rubber tube 7 The cavity of different sizes by cross section is flowed and repeated along rough plane, it is not only small in size, but also can effectively mention The noise reduction and cooling effect of high silencer, avoid tail gas from causing damages environment.
The above is only the preferred embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model, all Equivalent structure made based on the specification and figures of the utility model perhaps equivalent process transformation or directly or indirectly fortune Used in other related technical areas, it is also included in the patent protection scope of the utility model.

Claims (8)

1. a kind of automotive muffler based on rubber tube component, including shell and the first rubber tube (1) being connected with engine, institute The top sealed set for stating shell has top spacer (6), and the sealed bottom of the shell is provided with bottom baffles (5), described outer The bore seal of shell is provided with intermediate bulkhead (3), and top anechoic room is formed between the top spacer (6) and intermediate bulkhead (3), Between the bottom baffles (5) and intermediate bulkhead (3) formed bottom-silencing room (4), first rubber tube (1) through top every Plate (6) and the distance of the top surface spacing of the first rubber tube (1) end and intermediate bulkhead (3) setting, set on the intermediate bulkhead (3) It is equipped with several through-holes, which is characterized in that further include third rubber tube (7), the head end of the third rubber tube (7) is located at bottom Two through-holes that in anechoic room (4) and end sequentially passes through intermediate bulkhead (3) are connected to bottom baffles (5), and tailpipe (8) passes through It wears bottom baffles (5) to be connected with third rubber tube (7), first rubber tube (1) and third rubber tube (7) include inner wall Rough inner glue layer (10) is provided with sound absorption backing layer (9), the sound absorption backing layer (9) on the outside of the inner glue layer (10) Outside be enclosed with outer glue-line (12).
2. a kind of automotive muffler based on rubber tube component according to claim 1, which is characterized in that the sound absorption lining Steel wire winding layer (11) are additionally provided between inner layer (9) and outer glue-line (12).
3. a kind of automotive muffler based on rubber tube component according to claim 1, which is characterized in that the exhaust tail Managing (8) is stainless steel exhaust pipe.
4. a kind of automotive muffler based on rubber tube component according to claim 2, which is characterized in that first rubber The cavity of sebific duct (1) and third rubber tube (7) includes several integrally formed, rough cavity segments of inner wall, each cavity segment Cross section it is of different sizes.
5. a kind of automotive muffler based on rubber tube component according to claim 1, which is characterized in that the shell is Double-layer structure forms vacuum layer between ectonexine shell.
6. a kind of automotive muffler based on rubber tube component according to claim 5, which is characterized in that the third rubber The head end of sebific duct (7) is provided with horn mouth and horn mouth spacing intermediate bulkhead (3) bottom 2-5cm.
7. a kind of automotive muffler based on rubber tube component according to claim 5, which is characterized in that further include and send out Connected the second rubber tube (2) of motivation, first rubber tube (1) and the second rubber tube (2) are arranged in parallel.
8. a kind of automotive muffler based on rubber tube component according to claim 5, which is characterized in that the top every Between plate (6), intermediate bulkhead (3) and bottom baffles (5) are arranged in parallel and the distance of intermediate bulkhead (3) spacing top spacer (6) is Between 1.5-2 times away from bottom baffles (5) distance.
CN201821337104.1U 2018-08-20 2018-08-20 A kind of automotive muffler based on rubber tube component Active CN208845249U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821337104.1U CN208845249U (en) 2018-08-20 2018-08-20 A kind of automotive muffler based on rubber tube component

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821337104.1U CN208845249U (en) 2018-08-20 2018-08-20 A kind of automotive muffler based on rubber tube component

Publications (1)

Publication Number Publication Date
CN208845249U true CN208845249U (en) 2019-05-10

Family

ID=66356259

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821337104.1U Active CN208845249U (en) 2018-08-20 2018-08-20 A kind of automotive muffler based on rubber tube component

Country Status (1)

Country Link
CN (1) CN208845249U (en)

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