CN207245791U - A kind of good muffler of erasure effect - Google Patents

A kind of good muffler of erasure effect Download PDF

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Publication number
CN207245791U
CN207245791U CN201721032863.2U CN201721032863U CN207245791U CN 207245791 U CN207245791 U CN 207245791U CN 201721032863 U CN201721032863 U CN 201721032863U CN 207245791 U CN207245791 U CN 207245791U
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CN
China
Prior art keywords
noise elimination
level
muffler
elimination cavity
cavity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201721032863.2U
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Chinese (zh)
Inventor
胡朝稳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Shenzhou Catalytic Purifier Ltd By Share Ltd
Original Assignee
Hefei Shenzhou Catalytic Purifier Ltd By Share Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hefei Shenzhou Catalytic Purifier Ltd By Share Ltd filed Critical Hefei Shenzhou Catalytic Purifier Ltd By Share Ltd
Priority to CN201721032863.2U priority Critical patent/CN207245791U/en
Application granted granted Critical
Publication of CN207245791U publication Critical patent/CN207245791U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

It the utility model is related to mobile muffler technical field, a kind of more particularly to muffler that erasure effect is good, muffler shell including tubular, the both ends of the muffler shell are respectively equipped with gas outlet and air inlet, two partition plates being arranged in parallel are equipped with the muffler shell body, the partition plate is vertical with the axis of muffler shell, level-one noise elimination cavity and two level noise elimination cavity are respectively equipped between the inside both sides of the face of two partition plates and muffler shell, the housing of the level-one noise elimination cavity and two level noise elimination cavity is respectively equipped with first through hole, second through hole, several noise elimination pipelines are equipped between two partition plates, the both ends of the noise elimination pipeline are connected with level-one noise elimination cavity and two level noise elimination cavity, the noise elimination pipeline includes connector and hollow unit pipes, the internal diameter of the unit pipes, which passes through, to be gradually reduced.The utility model is provided with multistage noise elimination structure, can effectively reduce the movement velocity of tail gas, and noise elimination effect is good.

Description

A kind of good muffler of erasure effect
Technical field
It the utility model is related to mobile muffler technical field, more particularly to the muffler that a kind of erasure effect is good.
Background technology
Mobile muffler, is mainly used for reducing noise caused by the engine work of motor vehicle, its principle is automobile row Tracheae is made of two different pipelines of length, the two pipelines first separate to cross again, due to the length difference of the two pipelines The half of the wavelength of the sound wave sent equal to automobile so that two row sound waves are interfered in superposition and cancelled out each other and decrease sound By force, the sound for making to be transmitted through reduces, so as to play the effect of noise reduction.
Existing vehicle exhaust muffler, complicated, erasure effect is undesirable.
Utility model content
The purpose of this utility model is to solve the shortcomings that existing vehicle exhaust muffler erasure effect is bad, and is carried A kind of good muffler of erasure effect for going out.
To achieve these goals, the utility model employs following technical solution:
A kind of good muffler of erasure effect is designed, includes the muffler shell of tubular, the two of the muffler shell End is respectively equipped with gas outlet and air inlet, is equipped with two partition plates being arranged in parallel in the muffler shell body, the partition plate is with disappearing The axis of sound device housing is vertical, and level-one noise elimination is respectively equipped between the inside both sides of the face of two partition plates and muffler shell Chamber and two level noise elimination cavity, the housing of the level-one noise elimination cavity and two level noise elimination cavity are respectively equipped with first through hole, the second through hole, two Several noise elimination pipelines are equipped between the partition plate, both ends and the level-one noise elimination cavity and two level noise elimination cavity of the noise elimination pipeline connect Logical, the noise elimination pipeline includes connector and hollow unit pipes, and the pore of the unit pipes is one end major diameter mouth other end The bellmouth of minor diameter mouth, and the major diameter mouth of bellmouth is located at the outlet side of level-one noise elimination cavity.
Preferably, the surface both sides of the unit pipes have first annular groove and the second annular groove, the connector Including two annular slabs and connection bolt, through hole is provided with the annular slab, two annular slabs are fastened on corresponding first annular In groove and the second annular groove, it is bolted between two annular slabs by connection, connection bolt passes through through hole.
Preferably, filled with noise elimination between the housing and muffler shell inner wall of the level-one noise elimination cavity and two level noise elimination cavity Material.
Preferably, it is filled with deadener between two partition plates.
Preferably, the deadener is activated carbon or sponge.
The utility model proposes a kind of good muffler of erasure effect, beneficial effect is:There is provided level-one noise elimination Chamber and two level noise elimination cavity, and several noise elimination pipelines are provided between level-one noise elimination cavity and two level noise elimination cavity, several disappear Sound pipe road is made of the continually changing unit pipes of internal diameter, when tail gas is inside by unit pipes, big energy is lost, so as to play The effect of noise elimination.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of good muffler of erasure effect general structure schematic diagram;
Fig. 2 be the utility model proposes a kind of good muffler of erasure effect unit pipes structure diagram;
Fig. 3 be the utility model proposes a kind of good muffler of erasure effect connecting-piece structure schematic diagram;
Fig. 4 be the utility model proposes a kind of good muffler of erasure effect annular plate structure schematic diagram.
In figure:Muffler shell 1, deadener 2, gas outlet 3, air inlet 4, level-one noise elimination cavity 5, first through hole 601, Two through holes 602, two level noise elimination cavity 7, partition plate 8, connector 9, unit pipes 10, noise elimination pipeline 11, the annular of first annular groove 12, second Groove 13, annular slab 14, connection bolt 15, through hole 16.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.
With reference to Fig. 1-4, a kind of good muffler of erasure effect, includes the muffler shell 1 of tubular, muffler shell 1 Both ends be respectively equipped with gas outlet 3 and air inlet 4, is equipped with two partition plates 8 being arranged in parallel in muffler shell 1, partition plate 8 is with disappearing The axis of sound device housing 1 is vertical, and level-one noise elimination is respectively equipped between two partition plates 8 and the inside both sides of the face of muffler shell 1 The housing of chamber 5 and two level noise elimination cavity 7, level-one noise elimination cavity 5 and two level noise elimination cavity 7 is respectively equipped with first through hole 601, the second through hole 602, several noise elimination pipelines 11 are equipped between two partition plates 8, both ends and the level-one noise elimination cavity 5 and two level of noise elimination pipeline 11 are eliminated the noise Chamber 7 connects, and noise elimination pipeline 11 includes connector 9 and hollow unit pipes 10, and the pore of the unit pipes 10 is one end major diameter The bellmouth of mouth other end minor diameter mouth, and the major diameter mouth of bellmouth is located at the outlet side of level-one noise elimination cavity 5.
The surface both sides of unit pipes 10 have first annular 12 and second annular groove 13 of groove, and connector 9 includes two Annular slab 14 and connection bolt 15, are provided with through hole 16 on annular slab 14, two annular slabs 14 are fastened on corresponding first annular groove 12 and second in annular groove 13, are connected between two annular slabs 14 by connecting bolt 15, and connection bolt 15 passes through through hole 16.
Deadener 2 is filled between 1 inner wall of housing and muffler shell of level-one noise elimination cavity 5 and two level noise elimination cavity 7, is disappeared Sound material 2 can effectively absorb the noise that tail gas movement produces, and noise reduction is good.
Deadener 2 is filled between two partition plates 8, deadener 2 is activated carbon or sponge.
When the utility model is used, tail gas is eliminated the noise by level-one noise elimination cavity 5 and two level noise elimination cavity 7, and by level-one Several noise elimination pipelines 11 between chamber 5 and two level noise elimination cavity 7, since several noise elimination pipelines 11 are by the continually changing list of internal diameter First pipe is formed, and when tail gas is inside by unit pipes, big energy is lost, so as to play the effect of noise elimination.
The above, is only the preferable embodiment of the utility model, but the scope of protection of the utility model is not This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality New technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (5)

1. a kind of good muffler of erasure effect, includes the muffler shell (1) of tubular, it is characterised in that:The muffler The both ends of housing (1) are respectively equipped with gas outlet (3), air inlet (4), are arranged in parallel in the muffler shell (1) equipped with two Partition plate (8), the partition plate (8) is vertical with the axis of muffler shell (1), two partition plates (8) and muffler shell (1) Inside both sides of the face between be respectively equipped with level-one noise elimination cavity (5) and two level noise elimination cavity (7), the level-one noise elimination cavity (5) and two The housing of level noise elimination cavity (7) is respectively equipped with first through hole (601), the second through hole (602), is equipped between two partition plates (8) Several noise elimination pipelines (11), the both ends of the noise elimination pipeline (11) are connected with level-one noise elimination cavity (5) and two level noise elimination cavity (7), The noise elimination pipeline (11) includes connector (9) and hollow unit pipes (10), and the pore of the unit pipes (10) is big for one end The bellmouth of diameter mouth other end minor diameter mouth, and the major diameter mouth of bellmouth is located at the outlet side of level-one noise elimination cavity (5).
2. the good muffler of a kind of erasure effect according to claim 1, it is characterised in that the unit pipes (10) Surface both sides have first annular groove (12) and the second annular groove (13), and the connector (9) includes two annular slabs (14) and connection bolt (15), it is provided with through hole (16) on the annular slab (14), two annular slabs (14) are fastened on corresponding the In one annular groove (12) and the second annular groove (13), connected between two annular slabs (14) by connecting bolt (15), connect spiral shell Bolt (15) passes through through hole (16).
A kind of 3. good muffler of erasure effect according to claim 1, it is characterised in that the level-one noise elimination cavity (5) deadener (2) is filled between housing, the housing of two level noise elimination cavity (7) and muffler shell (1) inner wall.
A kind of 4. good muffler of erasure effect according to claim 1, it is characterised in that two partition plates (8) Between be filled with deadener (2).
A kind of 5. good muffler of erasure effect according to claim 3 or 4, it is characterised in that the deadener (2) it is activated carbon or sponge.
CN201721032863.2U 2017-08-17 2017-08-17 A kind of good muffler of erasure effect Expired - Fee Related CN207245791U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721032863.2U CN207245791U (en) 2017-08-17 2017-08-17 A kind of good muffler of erasure effect

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721032863.2U CN207245791U (en) 2017-08-17 2017-08-17 A kind of good muffler of erasure effect

Publications (1)

Publication Number Publication Date
CN207245791U true CN207245791U (en) 2018-04-17

Family

ID=61880577

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721032863.2U Expired - Fee Related CN207245791U (en) 2017-08-17 2017-08-17 A kind of good muffler of erasure effect

Country Status (1)

Country Link
CN (1) CN207245791U (en)

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GR01 Patent grant
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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180417

Termination date: 20210817