CN206144643U - Shock attenuation formula car silencing device - Google Patents
Shock attenuation formula car silencing device Download PDFInfo
- Publication number
- CN206144643U CN206144643U CN201621176160.2U CN201621176160U CN206144643U CN 206144643 U CN206144643 U CN 206144643U CN 201621176160 U CN201621176160 U CN 201621176160U CN 206144643 U CN206144643 U CN 206144643U
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- CN
- China
- Prior art keywords
- pipe
- charge
- air inlet
- decompression
- damping
- 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
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Abstract
The utility model discloses a shock attenuation formula car silencing device, including the intake pipe, the outlet duct, silencer barrel, be equipped with air inlet hush pipe among the silencer barrel, give vent to anger hush pipe and be used for the supporting disk that supports air inlet hush pipe and give vent to anger the hush pipe, be equipped with a plurality of bloops on the supporting disk, the intake pipe includes the anterior segment intake pipe, the rear end intake pipe, it is in charge of to locate anterior segment intake pipe and rear end intake pipe admitting air between the two, the decompression is in charge of and is used for being in charge of admitting air, the three -way pipe that gets up with anterior segment intake pipe and rear end intake -tube connection is in charge of respectively in the decompression, the decompression is in charge of the entrance and is equipped with the switch valve, the pipe wall be in charge of with the decompression is connected is used for adjusting switch valve opening size's extension spring and being used for supporting the firmly dog of switch valve, during being in charge of, the decompression still is equipped with a plurality of guiding devices along pipeline wall extending direction, still be provided with damper on the pipe wall of hush pipe. The utility model discloses the first shock attenuation again of slowing down, the shock attenuation is effectual, and it is good to have noise cancelling effect simultaneously concurrently.
Description
Technical field
This utility model is related to automobile silencing Manifold technology field, more specifically to a kind of damping type automobile silencing dress
Put.
Background technology
Automobile silencing pipe is one of important spare and accessory parts of automobile, plays the function of sound-deadening and noise-reducing, is driver and Che Shangcheng
Member brings comfort.
Application No. 201220254938.2 discloses a kind of mobile muffler, including shell, end cap, air inlet pipe, outlet
Pipe, isocon and dividing plate, the enclosure is provided with expansion noise reduction cell structure, and the expansion noise reduction cell structure is included in several
Portion is provided with the anechoic chamber of sound-absorbing material;The air inlet pipe and escape pipe are arranged and are not arranged on the same straight line, and are connected with anechoic chamber and are set
Put.This mobile muffler, air-flow can produce strong vibrations, especially high-voltage high-speed gas, when long when by hush pipe
Between get off, can to hush pipe cause damage.
Utility model content
The purpose of this utility model is to provide a kind of damping type automobile silencer, and in high-voltage high-speed airflow anechoic chamber is entered
Before, decompression deceleration is first carried out to high pressure draught, then damping is carried out by the damping device on hush pipe, hush pipe is protected, extend
The service life of hush pipe.
Above-mentioned technical purpose of the present utility model technical scheme is that:A kind of damping type automobile disappears
Mixer, including air inlet pipe, escape pipe, the silencer cylinder that is located between the air inlet pipe and the escape pipe, the noise elimination
Outlet hush pipe and and institute that the air inlet hush pipe communicated with the air inlet pipe is communicated with the escape pipe are provided with device cylinder
State the connected support plate for supporting the air inlet hush pipe and the outlet hush pipe of silencer cylinder, the support plate
Be provided with multiple bloops, the air inlet pipe include leading portion air inlet pipe, rear end air inlet pipe, located at the leading portion air inlet pipe with it is described
Air inlet pipe air inlet between the two in rear end is in charge of, reduce pressure be in charge of and for the air inlet is in charge of, is reduced pressure be in charge of respectively with it is front
Section air inlet pipe and the tee T that couples together of rear end air inlet pipe, the decompression is in charge of porch and is provided with switch valve and described subtracts
The gear for the extension spring of adjustment switch valve orifice size and for propping up the switch valve of the tube wall connection that pressure is in charge of
Block, the decompression is in charge of and middle is additionally provided with multiple guiding devices along duct wall bearing of trend;Also set up on the tube wall of the hush pipe
There is a damping, the damping includes the damping spring layer that the first buffer layer and first buffer layer connect and described
Second buffer layer of damping spring layer connection and multiple for second buffer layer and the silencer cylinder to be connected
The shock absorbing resilient post for coming.
This device carries out pre- judgement before damping to stream pressure, when stream pressure is not enough to open switch valve, gas
During stream is in charge of into air inlet, being in charge of middle internal structure by air inlet carries out appropriate blood pressure lowering reduction of speed, makes air-flow keep certain air pressure
With speed.When stream pressure is too strong, this device is first reduced pressure before noise reduction to high-voltage high-speed airflow, reduction of speed process, by height
Pressure high velocity air is changed into low pressure low speed flow, specifically by the shunting to gases at high pressure, then carries out multiple water conservancy diversion, reduces gas
The pressure and flow velocity of stream, so as to high-voltage high-speed airflow is changed into into low pressure low speed flow, then carries out damping process to low-pressure air current.Subtract
The multiple damping that shake passes through different buffer layers and shock absorbing resilient post, good damping effect, while have good erasure effect concurrently, and
Air-flow can be reduced to the injury caused by the impact of silencing means.
Preferably, second buffer layer includes the second damping base layer, is located at the sky of the second damping base layer
Chamber, the damping fluid for being located at the cavity.
Preferably, first buffer layer includes rubber layer.
Preferably, the damping fluid includes water, oils and fatss.
Preferably, the guiding device includes the water conservancy diversion pedestal of the duct wall connection being in charge of with the decompression, is located at institute
Adjusting lever that the hinged seat and the hinged seat of water conservancy diversion pedestal be hinged is stated, is located on the adjusting lever and is rotated with adjusting lever
Deflector and the connecting rod that is hinged of the adjusting lever other end and the connecting rod other end be hinged cylindrical slide, be located at it is described
On water conservancy diversion pedestal and the cylindrical slide coordinate cylindricality chute, be located in the cylindricality chute and cylindrical slide connection adjustment
Spring, the connecting rod and the cylindrical slide are connected by articulated mounting, and articulated mounting includes being located at the cylindrical slide end face
Mounting seat and be located at the hinged block of the mounting seat and the rod hinge connection.
Preferably, the guiding device helically line distribution, can further strengthen water conservancy diversion effect.
Preferably, the water conservancy diversion pedestal is in charge of vertical cross-section in β angles with decompression, β angles are in 15 ° -45 °.
Preferably, the air inlet is provided with multiple horn-like mouths of pipe in being in charge of, at the horn outlet of the horn-like mouth of pipe
Be provided with rotary shaft, be provided with rotary guiding device in rotary shaft, the rotary guiding device include blade install disk body,
It is multiple to be distributed on the guide vane that the blade is installed on disk body.
To sum up, this utility model has the advantages that:
Before high-voltage high-speed airflow enters anechoic chamber, decompression deceleration is first carried out to high pressure draught, then carry out damping, damping effect
It is really good, while having good muffling effect concurrently, reduce impact of the air-flow to deafener.
Description of the drawings
Fig. 1 is the structural representation of the embodiment of this utility model one;
Fig. 2 is the structural representation of guiding device;
Fig. 3 is the partial schematic diagram in Fig. 2 at A;
Fig. 4 is the schematic view of the mounting position of guiding device;
Fig. 5 is the distribution schematic diagram of rotary guiding device;
Fig. 6 is the scheme of installation of damping.
Specific embodiment
This utility model is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only that it is not to restriction of the present utility model, ability to explanation of the present utility model
Field technique personnel can make as needed the modification without creative contribution after this specification is read to the present embodiment, but
As long as all being protected by Patent Law in right of the present utility model.
Embodiment:As shown in figs 1 to 6, a kind of damping type automobile silencer, including air inlet pipe 1, escape pipe 2, it is located at
Silencer cylinder 3 between the air inlet pipe 1 and the escape pipe 2, is provided with and the air inlet pipe 1 in the silencer cylinder 3
Outlet hush pipe 32 that the air inlet hush pipe 31 for communicating is communicated with the escape pipe 2 and it is connected with the silencer cylinder 3
For supporting the support plate 33 of the air inlet hush pipe 31 and the outlet hush pipe 32, the support plate 33 to be provided with multiple
Bloop 34, the air inlet pipe 1 include leading portion air inlet pipe 11, rear end air inlet pipe 14, located at the leading portion air inlet pipe 11 with it is described
The air inlet between the two of rear end air inlet pipe 14 is in charge of 12, decompression and is in charge of 13 and is in charge of for the air inlet to be in charge of into 12, decompression
13 tee Ts 15 for coupling together with leading portion air inlet pipe 11 and rear end air inlet pipe 14 respectively, the decompression is in charge of at 13 entrances 131
It is provided with switch valve 132 and the extension spring for the adjustment switch openings of sizes of valve 132 that 13 tube wall connects is in charge of in the decompression
133 and for prop up it is described switch valve 132 block 134, it is described decompression be in charge of 13 in also set along duct wall bearing of trend
There are multiple guiding devices 135;Damping is additionally provided with the tube wall of the hush pipe 31, the damping subtracts including first
The second of the damping spring layer 312 and the damping spring layer 312 connection of shake layer 311 and first buffer layer 311 connection
Buffer layer 313 and multiple shock absorbing resilient posts for second buffer layer 313 and the silencer cylinder 3 to be coupled together
314.The length of shock absorbing resilient post 314 can determine that quantity preferably 6 is installed for convenience with quantity according to actual installation position,
Silencer cylinder 3 can be made up of cylinder and the capping positioned at cylinder two ends, cylinder with capping it is solderable, can be spirally connected, can buckle
Formula connects.
This device carries out pre- judgement before damping to stream pressure, when stream pressure is not enough to open switch valve 132,
Air-flow is in charge of in 12 into air inlet, and internal structure carries out appropriate blood pressure lowering reduction of speed in being in charge of 12 by air inlet, makes air-flow keep certain
Air pressure and speed.When stream pressure is too strong, this device is first reduced pressure before noise reduction to high-voltage high-speed airflow, at reduction of speed
Reason, by high-voltage high-speed airflow low pressure low speed flow is changed into, and specifically by the shunting to gases at high pressure, then is repeatedly led
Stream, reduces the pressure and flow velocity of air-flow, so as to high-voltage high-speed airflow is changed into into low pressure low speed flow, then low-pressure air current is subtracted
Shake is processed.The multiple damping that damping passes through different buffer layers and shock absorbing resilient post 314, good damping effect, while having concurrently very well
Erasure effect, reduce air-flow to the injury caused by the impact of silencing means.
Further, second buffer layer 313 includes the second damping base layer 3131, is located at the second damping matrix
The cavity 3132 of layer 3131, the damping fluid 3133 for being located at the cavity 3132.The second damping base layer 3131 adopts rubber
Glue-line.
Further, first buffer layer 311 includes rubber layer.
Further, the damping fluid 3133 includes water, oils and fatss.
Further, the guiding device 135 includes the water conservancy diversion pedestal of the duct wall connection for being in charge of 13 with the decompression
1351st, it is located at adjusting lever 1353 that the hinged seat 1352 and the hinged seat 1352 of the water conservancy diversion pedestal 1351 be hinged, is located at institute
State the company that the deflector 1354 that rotates with adjusting lever 1353 on adjusting lever 1353 and the other end of the adjusting lever 1353 are hinged
Cylindrical slide 1356 that bar 1355 and the other end of the connecting rod 1355 are hinged, it is located on the water conservancy diversion pedestal 1351 and the post
Shape slide block 1356 coordinate cylindricality chute 1357, be located in the cylindricality chute 1357 and cylindrical slide 1356 connection adjustment bullet
Spring 1358, the connecting rod 1355 and the cylindrical slide 1356 are connected by articulated mounting 1359, and articulated mounting 1359 includes setting
The end face of the cylindrical slide 1356 mounting seat 13591 and be located at the mounting seat 13591 and the connecting rod 1355 is hinged
Hinged block 13592.The water conservancy diversion pedestal 1351 has and the arcwall face 13511 that 13 duct wall connects, water conservancy diversion are in charge of in decompression
The duct wall that pedestal 1351 can be in charge of 13 by welding manner with decompression is connected.
In order to further strengthen water conservancy diversion effect, the helically line distribution of the guiding device 135.
Further, the water conservancy diversion pedestal 1351 is in charge of 13 vertical cross-sections in β angles with decompression, and β angles are in 15 ° -45 °.
Further, the air inlet is provided with multiple horn-like mouths of pipe 121, the loudspeaker of the horn-like mouth of pipe 121 in being in charge of 12
Rotary shaft 123 is provided with outlet 122, rotary guiding device 124, the rotary water conservancy diversion are provided with rotary shaft 123
Device 124 includes that blade installs disk body 1241, multiple guide vanes 1242 being distributed on the blade installation disk body 1241.
Claims (8)
1. a kind of damping type automobile silencer, including air inlet pipe(1), escape pipe(2), be located at the air inlet pipe(1)With it is described
Escape pipe(2)Between silencer cylinder(3), the silencer cylinder(3)In be provided with and the air inlet pipe(1)The air inlet for communicating
Hush pipe(31)With the escape pipe(2)The outlet hush pipe for communicating(32)And with the silencer cylinder(3)Connected use
In the support air inlet hush pipe(31)And the outlet hush pipe(32)Support plate(33), the support plate(33)On set
There are multiple bloops(34), it is characterised in that the air inlet pipe(1)Including leading portion air inlet pipe(11), rear end air inlet pipe(14), set
In the leading portion air inlet pipe(11)With the rear end air inlet pipe(14)Air inlet between the two is in charge of(12), decompression be in charge of(13)With
And for the air inlet to be in charge of(12), decompression be in charge of(13)Respectively with leading portion air inlet pipe(11)With rear end air inlet pipe(14)Connection
The tee T for getting up(15), the decompression is in charge of(13)Entrance(131)Place is provided with switch valve(132)And the decompression is in charge of
(13)Tube wall connection for adjustment switch valve(132)The extension spring of openings of sizes(133)And for propping up the switch
Valve(132)Block(134), the decompression is in charge of(13)It is middle to be additionally provided with multiple guiding devices along duct wall bearing of trend
(135);The hush pipe(31)Tube wall on be additionally provided with damping, the damping includes the first buffer layer
(311)And first buffer layer(311)The damping spring layer of connection(312)And the damping spring layer(312)Connection
Second buffer layer(313)And it is multiple for by second buffer layer(313)With the silencer cylinder(3)Couple together
Shock absorbing resilient post(314).
2. a kind of damping type automobile silencer according to claim 1, it is characterised in that second buffer layer
(313)Including the second damping base layer(3131), be located at the second damping base layer(3131)Cavity(3132), be located at institute
State cavity(3132)Damping fluid(3133).
3. a kind of damping type automobile silencer according to claim 1, it is characterised in that first buffer layer
(311)Including rubber layer.
4. a kind of damping type automobile silencer according to claim 3, it is characterised in that the damping fluid(3133)
Including water, oils and fatss.
5. a kind of damping type automobile silencer according to claim 1, it is characterised in that the guiding device(135)
Including with it is described decompression be in charge of(13)Duct wall connection water conservancy diversion pedestal(1351), be located at the water conservancy diversion pedestal(1351)Hinge
Joint chair(1352)And the hinged seat(1352)The adjusting lever being hinged(1353), be located at the adjusting lever(1353)On with adjustment
Bar(1353)The deflector for rotating together(1354)And the adjusting lever(1353)The connecting rod that the other end is hinged(1355)And institute
State connecting rod(1355)The cylindrical slide that the other end is hinged(1356), be located at the water conservancy diversion pedestal(1351)The upper and cylindrical slide
(1356)The cylindricality chute of cooperation(1357), be located at the cylindricality chute(1357)Neutralization cylindrical slide(1356)The adjustment of connection
Spring(1358), the connecting rod(1355)With the cylindrical slide(1356)By articulated mounting(1359)Connection, articulated mounting
(1359)Including being located at the cylindrical slide(1356)The mounting seat of end face(13591)And it is located at the mounting seat(13591)
With the connecting rod(1355)The hinged block being hinged(13592).
6. a kind of damping type automobile silencer according to claim 1, it is characterised in that the guiding device(135)
Helically line distribution.
7. a kind of damping type automobile silencer according to claim 5, it is characterised in that the water conservancy diversion pedestal(1351)
It is in charge of with decompression(13)Vertical cross-section is in β angles, and β angles are in 15 ° -45 °.
8. a kind of damping type automobile silencer according to claim 1, it is characterised in that the air inlet is in charge of(12)In
It is provided with multiple horn-like mouths of pipe(121), the horn-like mouth of pipe(121)Horn outlet(122)Place is provided with rotary shaft
(123), rotary shaft(123)On be provided with rotary guiding device(124), the rotary guiding device(124)Including blade
Disk body is installed(1241), multiple are distributed on the blade disk body be installed(1241)On guide vane(1242).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621176160.2U CN206144643U (en) | 2016-10-25 | 2016-10-25 | Shock attenuation formula car silencing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621176160.2U CN206144643U (en) | 2016-10-25 | 2016-10-25 | Shock attenuation formula car silencing device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206144643U true CN206144643U (en) | 2017-05-03 |
Family
ID=58623925
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201621176160.2U Expired - Fee Related CN206144643U (en) | 2016-10-25 | 2016-10-25 | Shock attenuation formula car silencing device |
Country Status (1)
Country | Link |
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CN (1) | CN206144643U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108468580A (en) * | 2018-03-26 | 2018-08-31 | 安徽工程大学 | A kind of tail-gas purifier of vehicle |
-
2016
- 2016-10-25 CN CN201621176160.2U patent/CN206144643U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108468580A (en) * | 2018-03-26 | 2018-08-31 | 安徽工程大学 | A kind of tail-gas purifier of vehicle |
CN108468580B (en) * | 2018-03-26 | 2023-09-01 | 安徽工程大学 | Vehicle tail gas purifying device |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170503 Termination date: 20211025 |
|
CF01 | Termination of patent right due to non-payment of annual fee |