CN208816213U - A kind of high efficiency automobile purification silencer - Google Patents
A kind of high efficiency automobile purification silencer Download PDFInfo
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- CN208816213U CN208816213U CN201821468049.XU CN201821468049U CN208816213U CN 208816213 U CN208816213 U CN 208816213U CN 201821468049 U CN201821468049 U CN 201821468049U CN 208816213 U CN208816213 U CN 208816213U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model relates to the technical fields of automobile purification noise reduction auxiliary equipment can be improved erasure effect more particularly to a kind of high efficiency automobile purification silencer, improve practicability;It can be handled vehicle exhaust simultaneously, prevent tail gas direct emission from polluting environment, improve use reliability;And left mounting flange and right mounting flange connect easy for installation with exhaust pipe, reduce because bolt hole contraposition is not allowed to cause install failure factor, reduce and use limitation;Including noise reduction shell, air inlet pipe and an air outlet pipe, noise reduction shell is internally provided with silencing cavity, and the left part input terminal of air inlet pipe is provided with left mounting flange, and the right part output end of escape pipe is provided with right mounting flange;Including two groups of left diversion pipes, two groups of right diversion pipes, two groups of more piece bend pipe hush pipes and fixed plate;It further include three groups of net-like spacers;It further include left retainer plate and right retainer plate, left retainer plate is fixedly set on the left side outer wall of air inlet pipe, and the left end of left retainer plate is flushed with the left end of air inlet pipe.
Description
Technical field
The utility model relates to the technical fields of automobile purification noise reduction auxiliary equipment, more particularly to a kind of high efficiency automobile
Purification silencer.
Background technique
It is well known that high efficiency automobile purification silencer is a kind of for automobile exhaust pipe, engine noise elimination is carried out
And the auxiliary device of vent gas treatment, it is widely used in a variety of applications in the field of automobile purification noise reduction;Existing high efficiency vapour
Vehicle purification silencer includes noise reduction shell, air inlet pipe and an air outlet pipe, and noise reduction shell is internally provided with silencing cavity, and the left end of noise reduction shell
With right end be respectively arranged with air inlet and air outlet, air inlet and air outlet with communicated inside silencing cavity, and air inlet pipe
Right part output end is connected to air inlet, and the left part input terminal of air inlet pipe is provided with left mounting flange, the left part input terminal of escape pipe
It is connected to gas outlet, and the right part output end of escape pipe is provided with right mounting flange, noise reduction shell is internally provided with multiple groups noise reduction
Pipe;Existing high efficiency automobile purification silencer is in use, first entirely through the left mounting flange and escape pipe in air inlet pipe
On right mounting flange be connected to automobile exhaust pipe, then start automobile, by multiple groups hush pipe carry out noise reduction processing;It is existing
It is found in some high efficiency automobile purification silencer uses, erasure effect is poor, causes the practicality lower;It cannot simultaneously
Vehicle exhaust is handled, causes tail gas direct emission to pollute environment, causes its use reliability lower;And its left installation
When flange and right mounting flange connect installation with exhaust pipe, often because bolt hole contraposition is not allowed to lead to install failure, installation is not
Just, cause it higher using limitation.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of raising erasure effect, practicability is improved;While its
Vehicle exhaust can be handled, prevent tail gas direct emission from polluting environment, improve use reliability;And left mounting flange
Connect with right mounting flange with exhaust pipe it is easy for installation, reduce because bolt hole contraposition be not allowed to lead to install failure factor, reduction makes
With the high efficiency automobile purification silencer of limitation.
A kind of high efficiency automobile purification silencer of the utility model, including noise reduction shell, air inlet pipe and an air outlet pipe, noise reduction shell
It is internally provided with silencing cavity, the left part input terminal of air inlet pipe is provided with left mounting flange, and the right part output end of escape pipe is set
It is equipped with right mounting flange;It is described including two groups of left diversion pipes, two groups of right diversion pipes, two groups of more piece bend pipe hush pipes and fixed plate
The left end of noise reduction shell is provided with two groups of air inlets, and two groups of air inlets with communicated inside silencing cavity, the right end of noise reduction shell is set
Be equipped with two groups of gas outlets, and two groups of gas outlets with communicated inside silencing cavity, the right part output end of two groups of left diversion pipes
It is connected to respectively with two groups of air inlets, and the left part input terminal of two groups of left diversion pipes is exported with the right part of the air inlet pipe
End connection, the left part input terminal of two groups of right diversion pipes is connected to two groups of escape pipes respectively, and two groups of right diversion pipes
Right part output end be connected to the left part input terminal of the escape pipe, two groups of more pieces bend pipe hush pipe setting disappears described
Inside the right side of sound chamber, and the fixed plate is disposed longitudinally on the middle part of the silencing cavity, and the outer wall of fixed plate with
The inner wall of the silencing cavity connects, and the inside of fixed plate is vertically arranged with two groups of fixed holes, and two groups of more piece bend pipes
The left end of hush pipe is connected to the right end of two groups of fixed holes respectively, and the right end difference of two groups of more piece bend pipe hush pipes
It is connected to the left part input terminal of two groups of right diversion pipes by two groups of gas outlets, on the inner wall of two groups of more piece bend pipe hush pipes
It pastes and is laid with rock wool sound absorbing layer;It further include three groups of net-like spacers, three groups of net-like spacers are disposed longitudinally on silencing cavity respectively
Left side, and be mutually provided with equidistant interval between three groups of net-like spacers, be coated with catalyst on three groups of net-like spacers;Also
Including left retainer plate and right retainer plate, the left retainer plate is fixedly set on the left side outer wall of the air inlet pipe, and Zuo Gu
Surely the left end enclosed is flushed with the left end of air inlet pipe, and the left mounting flange is set in the outside of air inlet pipe, and left mounting flange
It is relatively rotated with air inlet pipe, the left end of left mounting flange is provided with left round fixing groove, and the left retainer plate can be fastened on
Inside left circle fixing groove, the right retainer plate is fixedly set in the outer right wall of the escape pipe, and right retainer plate
Right end is flushed with the right end of escape pipe, and the right mounting flange is set in the outside of escape pipe, and right mounting flange and outlet
Pipe relatively rotates, and the right end of right mounting flange is provided with right round fixing groove, and the right retainer plate can be fastened on right circle
Inside fixing groove.
A kind of high efficiency automobile purification silencer of the utility model, further include upper mounting seat, lower mounting seat, mounting plate and
It is connect on the left of two groups of installation bolts, the bottom end of the lower mounting seat and the bottom end inner wall of the silencing cavity, and lower mounting seat
Top has been uniformly arranged three groups of mounting grooves, and the bottom end of three groups of net-like spacers is inserted into respectively inside three groups of mounting grooves, and
It is provided with installation through-hole in the top left hand of the noise reduction shell, and is communicated inside installation through-hole and the silencing cavity, installation is logical
Left sliding slot and right rail, the left end of the upper mounting seat and right end difference are respectively arranged in the inner left wall and right side inner wall in hole
It is provided with left slider and right sliding block, the top of the upper mounting seat from noise reduction shell is inserted into inside installation through-hole, and upper installation
The bottom end of seat is inserted into inside silencing cavity, and the bottom end of upper mounting seat has been uniformly arranged mounting groove on three groups, described three groups it is netted every
The top of plate is inserted into respectively on three groups inside mounting groove, and the bottom end of the mounting plate is connect with the top of the upper mounting seat,
And the left and right side inside the mounting plate is respectively arranged with two groups of installation through-holes, the top left hand region of the noise reduction shell
Two groups of threaded holes are provided with, and two groups of threaded holes are located at the left and right side of the installation through-hole, the installation
Top of the bottom end left and right side of plate with the noise reduction shell is adjacent to, and the bottom end self installation plate of two groups of installation bolts
Top be each passed through inside two groups of installation through-holes and extend out to mounting plate bottom end it is extraneous, and the bottom end of two groups of installation bolts
Simultaneously spiral shell is filled to inside two groups of threaded holes for insertion respectively, and the left slider is arranged inside the left sliding slot, and right sliding block is arranged
Inside right rail, left slider and left sliding slot sliding fit inside, and right sliding block and right rail sliding fit inside.
A kind of high efficiency automobile purification silencer of the utility model, further includes baffle upper plate and chin spoiler, it is described on
The top of deflector is connect with the top inner wall of the silencing cavity, and the lower inclination to the right of the right end of baffle upper plate and the fixation
Connection, the bottom end of the chin spoiler are connect with the bottom end inner wall of the silencing cavity on the upside of the left end of plate, and chin spoiler
It is connect on the downside of right end upper inclination to the right and the left end of fixed plate.
A kind of high efficiency automobile purification silencer of the utility model further includes left steel wire winding pad and right steel wire winding
Pad, the left steel wire winding cushion cover is located at the outside of air inlet pipe, and left steel wire winding pad is fastened on the left round fixing groove
Inside, the right end of left steel wire winding pad are contacted with the left end inner wall of left round fixing groove, and the right steel wire winding cushion cover is located at out
The outside of tracheae, and right steel wire winding pad is fastened on inside the right round fixing groove, the left end and the right side of right steel wire winding pad
The left end inner wall of round fixing groove contacts.
A kind of high efficiency automobile purification silencer of the utility model further includes high pressure rubber asbestos plate washer, the height
Pressure rubber asbestos plate washer is set in the outside of the upper mounting seat, and the top of high pressure rubber asbestos plate washer and the peace
The bottom end of loading board is adjacent to, and the bottom end of high pressure rubber asbestos plate washer and the top left hand outer wall of the noise reduction shell are adjacent to.
A kind of high efficiency automobile purification silencer of the utility model, the catalyst include metal platinum or metal rhodium or gold
Belong to palladium.
A kind of high efficiency automobile purification silencer of the utility model, further includes asbestos fibre felt, outside the noise reduction shell
It is provided with metal collet on wall, and forms chamber between metal collet and the outer wall of noise reduction shell, and the asbestos fibre felt
It is uniformly filled in the chamber interior.
Compared with prior art the utility model has the following beneficial effects: two groups of left diversion pipes and two groups of right water conservancy diversion can be passed through
Pipe improves vehicle exhaust into the fluency of disengaging silencing cavity, and can enhance noise by two groups of more piece bend pipe hush pipes
Range ability in pipe enhances two groups of more piece bend pipe hush pipes to the processing time of noise, while curved by two groups of more pieces
The rock wool sound absorbing layer raising of laying is pasted on the inner wall of pipe hush pipe to the absorbability of noise, is improved erasure effect, is improved
Practicability;It can constitute cleanser by the catalyst of three groups of net-like spacers and coating thereon simultaneously, and cleanser is made to enhance tail
The activity of the tri- kinds of gas of CO, HC and NOx contained in gas promotes it to carry out certain redox chemistry reaction, makes in tail gas
The CO contained is oxidized into colourless, nontoxic carbon dioxide gas at high temperature, make containing HC compound aoxidize at high temperature
Cheng Shui and carbon dioxide, at the same make containing NOx be reduced into nitrogen and oxygen, so that three kinds of pernicious gases is become innocuous gas, make
Vehicle exhaust is purified, and handles vehicle exhaust, prevents tail gas direct emission from polluting environment, improves use reliability;
And it can be rotated respectively relative to air inlet pipe and an air outlet pipe by left mounting flange and right mounting flange, left installation can be made
Bolt hole on flange and right mounting flange arbitrarily rotates, and can be by left retainer plate and retainer plate respectively by left Method for Installation
Blue and right mounting flange is limited, and prevents left mounting flange and right mounting flange from falling off, and passes through left retainer plate and Zuo Yuan
The left end of the cooperation of shape fixing groove, the left end and left mounting flange that make left retainer plate keeps same plane, while passing through right fixation
The cooperation of circle and right round fixing groove, makes the right end of right mounting flange and right retainer plate keep same plane, prevents from influencing left peace
It fills flange and right mounting flange and automobile exhaust pipe is installed, so that left mounting flange and right mounting flange be made to connect peace with exhaust pipe
Dress is convenient, reduces because bolt hole contraposition is not allowed to lead to install failure factor, reduces and use limitation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the partial enlargement structural representation at the utility model A;
Fig. 3 is the partial enlargement structural representation at the utility model B;
It is attached marked in the figure: 1, noise reduction shell;2, air inlet pipe;3, escape pipe;4, left mounting flange;5, left diversion pipe;6, more piece
Bend pipe hush pipe;7, fixed plate;8, rock wool sound absorbing layer;9, net-like spacer;10, left retainer plate;11, upper mounting seat;12, it installs
Plate;13, bolt is installed;14, baffle upper plate;15, left steel wire winding pad;16, high pressure rubber asbestos plate washer;17, asbestos fibre
Felt.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
As shown in Figure 1 to Figure 3, a kind of high efficiency automobile purification silencer of the utility model, including noise reduction shell 1, air inlet
Pipe 2 and escape pipe, noise reduction shell are internally provided with silencing cavity, and the left part input terminal of air inlet pipe is provided with left mounting flange 4, and goes out
The right part output end of tracheae is provided with right mounting flange;Including two groups of left diversion pipes, 5, two groups of right diversion pipes, two groups of more piece bend pipes
Hush pipe 6 and fixed plate 7, the left end of noise reduction shell are provided with two groups of air inlets, and two groups of air inlets with phase inside silencing cavity
Logical, the right end of noise reduction shell is provided with two groups of gas outlets, and two groups of gas outlets with communicated inside silencing cavity, two groups of left diversion pipes
Right part output end be connected to respectively with two groups of air inlets, and the left part input terminal of two groups of left diversion pipes with the right part of air inlet pipe
Output end connection, the left part input terminal of two groups of right diversion pipes is connected to two groups of escape pipes respectively, and the right side of two groups of right diversion pipes
Portion's output end is connected to the left part input terminal of escape pipe, and two groups of more piece bend pipe hush pipes are arranged in inside the right side of silencing cavity,
And fixed plate is disposed longitudinally on the middle part of silencing cavity, and the outer wall of fixed plate is connect with the inner wall of silencing cavity, fixed plate
Inside be vertically arranged with two groups of fixed holes, and the left end of two groups of more piece bend pipe hush pipes respectively with two groups of fixed holes
Right end connection, and left part input terminal of the right end of two groups of more piece bend pipe hush pipes respectively with two groups of right diversion pipes is gone out by two groups
Port is connected to, and is pasted on the inner wall of two groups of more piece bend pipe hush pipes and is laid with rock wool sound absorbing layer 8;It further include three groups of net-like spacers
9, three groups of net-like spacers are disposed longitudinally on the left side of silencing cavity respectively, and be mutually provided between three groups of net-like spacers it is equidistant between
Every being coated with catalyst on three groups of net-like spacers;It further include left retainer plate 10 and right retainer plate, left retainer plate is fixedly set in
On the left side outer wall of air inlet pipe, and the left end of left retainer plate is flushed with the left end of air inlet pipe, and left mounting flange is set in air inlet
The outside of pipe, and left mounting flange and air inlet pipe relatively rotate, and the left end of left mounting flange is provided with left round fixing groove, and
And left retainer plate can be fastened on inside left round fixing groove, right retainer plate is fixedly set in the outer right wall of escape pipe, and
The right end of right retainer plate is flushed with the right end of escape pipe, and right mounting flange is set in the outside of escape pipe, and right mounting flange
It is relatively rotated with escape pipe, the right end of right mounting flange is provided with right round fixing groove, and right retainer plate can be fastened on right circle
Inside shape fixing groove;Vehicle exhaust can be improved into the smoothness for passing in and out silencing cavity by two groups of left diversion pipes and two groups of right diversion pipes
Degree, and can enhance range ability of the noise in pipe by two groups of more piece bend pipe hush pipes, it is curved to enhance two groups of more pieces
The rock wool that pipe hush pipe pastes laying to processing time of noise, while on the inner wall for passing through two groups of more piece bend pipe hush pipes inhales
Sound-absorbing layer improves the absorbability to noise, improves erasure effect, improves practicability;Simultaneously its can by three groups of net-like spacers with
The metallic platinum catalyst of coating thereon constitutes cleanser, makes the tri- kinds of gases of CO, HC and NOx contained in cleanser enhancing tail gas
Activity, promote it to carry out certain redox chemistry reaction, make the CO contained in tail gas be oxidized at high temperature it is colourless,
Nontoxic carbon dioxide gas, make containing HC compound be oxidized to water and carbon dioxide at high temperature, while make containing NOx
It is reduced into nitrogen and oxygen, so that three kinds of pernicious gases is become innocuous gas, vehicle exhaust is made to be purified, vehicle exhaust is carried out
Processing prevents tail gas direct emission from polluting environment, improves use reliability;And left mounting flange and right Method for Installation can be passed through
Orchid is rotated relative to air inlet pipe and an air outlet pipe respectively, and the bolt hole on left mounting flange and right mounting flange can be made arbitrarily to revolve
Turn, and respectively can be limited left mounting flange and right mounting flange by left retainer plate and retainer plate, prevents left peace
Dress flange and right mounting flange fall off, and by the cooperation of left retainer plate and left round fixing groove, make the left end of left retainer plate
Same plane is kept with the left end of left mounting flange, while by the cooperation of right retainer plate and right round fixing groove, making right installation
The right end of flange and right retainer plate keeps same plane, prevents from influencing left mounting flange and right mounting flange and automobile exhaust pipe is pacified
Dress is reduced so that it is easy for installation to connect left mounting flange and right mounting flange with exhaust pipe because bolt hole contraposition is not allowed to cause
Install failure factor reduces and uses limitation.
A kind of high efficiency automobile purification silencer of the utility model, further includes upper mounting seat 11, lower mounting seat, mounting plate
12 and two groups of installation bolts 13, it connects on the left of the bottom end of lower mounting seat and the bottom end inner wall of silencing cavity, and the top of lower mounting seat
End has been uniformly arranged three groups of mounting grooves, and the bottom end of three groups of net-like spacers is inserted into respectively inside three groups of mounting grooves, and noise reduction shell
Top left hand on be provided with installation through-hole, and communicated inside installation through-hole and silencing cavity, the inner left wall of installation through-hole and
Left sliding slot and right rail are respectively arranged on the inner wall of right side, the left end of upper mounting seat and right end are respectively arranged with left slider and right cunning
The top of block, upper mounting seat from noise reduction shell is inserted into inside installation through-hole, and the bottom end of upper mounting seat is inserted into silencing cavity
Portion, the bottom end of upper mounting seat have been uniformly arranged mounting groove on three groups, and the top of three groups of net-like spacers, which is inserted into respectively on three groups, pacifies
Inside tankage, the bottom end of mounting plate and the top of upper mounting seat are connected, and the left and right side inside mounting plate is respectively set
There are two groups of installation through-holes, the top left hand region of noise reduction shell is provided with two groups of threaded holes, and two groups of threaded holes are located at peace
The left and right side of through-hole is filled, top of the bottom end left and right side of mounting plate with noise reduction shell is adjacent to, and two groups of installation spiral shells
The top of the bottom end self installation plate of bolt is each passed through inside two groups of installation through-holes and extend out to the bottom end external world of mounting plate, and two
The bottom end of group installation bolt is inserted into respectively and spiral shell is filled to inside two groups of threaded holes, and left slider is arranged inside left sliding slot, and right
Sliding block is arranged inside right rail, left slider and left sliding slot sliding fit inside, and right sliding block is matched with right rail internal slide
It closes;Mounting plate can be allow to carry out easy to disassemble, while driving upper mounting seat by the detachable ability of two groups of installation bolts
It can be extracted inside installation through-hole, to make the inclination replacement easy to disassemble of three groups of net-like spacers, improve practicability.
A kind of high efficiency automobile purification silencer of the utility model, further includes baffle upper plate 14 and chin spoiler, above leads
The top of flowing plate and the top inner wall of silencing cavity connect, and the right end of baffle upper plate tilts on the left end with fixed plate under to the right
The bottom end inner wall of side connection, the bottom end of chin spoiler and silencing cavity connects, and the right end of chin spoiler upper inclination to the right and solid
Connection on the downside of the left end of fixed board;Can will be entered by baffle upper plate and chin spoiler the exhaust gas flow inside silencing cavity steadily into
Enter two groups of fixed holes in fixed plate, to steadily enter noise reductions inside two groups of more piece bend pipe hush pipes, reduces tail gas and solid
The shock of the left end of fixed board further increases noise dampening efficiency inside silencing cavity.
A kind of high efficiency automobile purification silencer of the utility model further includes left steel wire winding pad 15 and right steel wire winding
Pad, left steel wire winding cushion cover is located at the outside of air inlet pipe, and left steel wire winding pad is fastened on inside left round fixing groove, Zuo Gang
The right end of silk wound gasket is contacted with the left end inner wall of left round fixing groove, and right steel wire winding cushion cover is located at the outside of escape pipe, and
And right steel wire winding pad is fastened on inside right round fixing groove, in the left end of the left end of right steel wire winding pad and right round fixing groove
Wall contact, can improve the leakproofness between left retainer plate and left mounting flange by left steel wire winding pad, while can pass through
Right steel wire winding pad improves the leakproofness between right retainer plate and right mounting flange, prevents exhaust gas leak.
A kind of high efficiency automobile purification silencer of the utility model further includes high pressure rubber asbestos plate washer 16, high pressure
Rubber asbestos plate washer is set in the outside of upper mounting seat, and the bottom end on the top of high pressure rubber asbestos plate washer and mounting plate
It is adjacent to, the bottom end of high pressure rubber asbestos plate washer is adjacent to the top left hand outer wall of noise reduction shell;High pressure rubber asbestos can be passed through
Plate washer improves the contact leakproofness of mounting plate and noise reduction shell top outer wall, prevents tail gas from passing through installation through-hole from inside silencing cavity
To outward leakage, use reliability is improved.
A kind of high efficiency automobile purification silencer of the utility model, catalyst include metal platinum or metal rhodium or metal
Palladium;Cleanser can be constituted with three groups of partitions by metal platinum or metal rhodium or Metal Palladium, reduce and use limitation.
A kind of high efficiency automobile purification silencer of the utility model further includes asbestos fibre felt 17, the outer wall of noise reduction shell
On be provided with metal collet, and chamber is formed between metal collet and the outer wall of noise reduction shell, and asbestos fibre felt is uniformly filled out
It fills in chamber interior;The intracavitary portion of noise reduction can be kept the temperature by asbestos fibre felt, guarantee three groups of net-like spacers and apply thereon
The cleanser that the metallic platinum catalyst of dress is constituted proposes the redox reaction of the tri- kinds of gas of CO, HC and NOx contained in tail gas
High use reliability.
A kind of high efficiency automobile purification silencer of the utility model, at work, first entirely through in air inlet pipe
Left mounting flange and escape pipe on right mounting flange be connected to automobile exhaust pipe, then start automobile generate tail gas pass through
Two groups of left diversion pipes enter inside silencing cavity, then pass through the metallic platinum catalyst of three groups of net-like spacers and coating thereon, constitute
Cleanser makes the activity of the tri- kinds of gas of CO, HC and NOx contained in cleanser enhancing tail gas, it is promoted to carry out certain oxidation
Reduction chemical reaction, so that the CO contained in tail gas is oxidized into colourless, nontoxic carbon dioxide gas at high temperature, make containing
HC compound is oxidized to water and carbon dioxide at high temperature, at the same make containing NOx be reduced into nitrogen and oxygen, make three kinds of nocuousness
Gas becomes innocuous gas, and vehicle exhaust is made to be purified, and handles vehicle exhaust, and the tail gas after having handled is by fixing
Two groups of fixed holes on plate enter inside two groups of more piece bend pipe hush pipes, by two groups of more piece bend pipe hush pipes, enhance and make an uproar
Range ability of the sound in pipe enhances two groups of more piece bend pipe hush pipes to the processing time of noise, while passing through two groups of more pieces
The rock wool sound absorbing layer raising of laying is pasted on the inner wall of bend pipe hush pipe to the absorbability of noise, improves erasure effect, when
When three groups of net-like spacers need to carry out dismounting and change cleaning, by the detachable ability of two groups of installation bolts, carry out mounting plate
Disassembly, while upper mounting seat being driven to extract inside installation through-hole, to make the inclination replacement easy to disassemble of three groups of net-like spacers, lead to
It crosses left steel wire winding pad and improves leakproofness between left retainer plate and left mounting flange, while being improved by right steel wire winding pad right
Leakproofness between retainer plate and right mounting flange, prevents exhaust gas leak, improves mounting plate by high pressure rubber asbestos plate washer
With the contact leakproofness of noise reduction shell top outer wall, prevents tail gas from passing through installation through-hole from inside silencing cavity to outward leakage, pass through stone
Cotton fiber felt keeps the temperature the intracavitary portion of noise reduction, guarantees the cleanser pair that the catalyst of three groups of net-like spacers and coating thereon is constituted
The redox reaction of the tri- kinds of gas of CO, HC and NOx contained in tail gas.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into modification.
Claims (7)
1. a kind of high efficiency automobile purification silencer, including noise reduction shell (1), air inlet pipe (2) and escape pipe (3), noise reduction shell (1) is interior
Portion is provided with silencing cavity, and the left part input terminal of air inlet pipe (2) is provided with left mounting flange (4), and the right part of escape pipe (3) is defeated
Outlet is provided with right mounting flange;It is characterised in that it includes two groups of left diversion pipes (5), two groups of right diversion pipes, two groups of more piece bend pipes
Hush pipe (6) and fixed plate (7), the left end of the noise reduction shell (1) are provided with two groups of air inlets, and two groups of air inlets with disappear
The intracavitary portion of sound communicates, and the right end of noise reduction shell (1) is provided with two groups of gas outlets, and two groups of gas outlets with phase inside silencing cavity
Logical, the right part output end of two groups of left diversion pipes (5) is connected to two groups of air inlets respectively, and two groups of left diversion pipes
(5) left part input terminal is connected to the right part output end of the air inlet pipe (2), the left part input terminal of two groups of right diversion pipes
It is connected to respectively with two groups of escape pipes (3), and a left side of the right part output end of two groups of right diversion pipes with the escape pipe (3)
The connection of portion's input terminal, two groups of more piece bend pipes hush pipe (6) is arranged in inside the right side of the silencing cavity, and the fixation
Plate (7) is disposed longitudinally on the middle part of the silencing cavity, and the outer wall of fixed plate (7) is connect with the inner wall of the silencing cavity,
The inside of fixed plate (7) is vertically arranged with two groups of fixed holes, and the left end difference of two groups of more piece bend pipes hush pipe (6)
It is connected to the right end of two groups of fixed holes, and the right end of two groups of more piece bend pipe hush pipes (6) is right with described two groups respectively
The left part input terminal of diversion pipe is connected to by two groups of gas outlets, pastes laying on the inner wall of two groups of more piece bend pipe hush pipes (6)
There are rock wool sound absorbing layer (8);It further include three groups of net-like spacers (9), three groups of net-like spacers (9) are disposed longitudinally on silencing cavity respectively
Left side, and be mutually provided with equidistant interval between three groups of net-like spacers (9), be coated with and urge on three groups of net-like spacers (9)
Agent;It further include left retainer plate (10) and right retainer plate, the left retainer plate (10) is fixedly set in a left side for the air inlet pipe (2)
On the outer wall of side, and the left end of left retainer plate (10) is flushed with the left end of air inlet pipe (2), and the left mounting flange (4) is set in
The outside of air inlet pipe (2), and left mounting flange (4) and air inlet pipe (2) relatively rotate, the left end setting of left mounting flange (4)
There is left round fixing groove, and the left retainer plate (10) can be fastened on inside left round fixing groove, the right retainer plate is fixed
It is sleeved in the outer right wall of the escape pipe (3), and the right end of right retainer plate is flushed with the right end of escape pipe (3), it is described
Right mounting flange is set in the outside of escape pipe (3), and right mounting flange and escape pipe (3) relatively rotate, right mounting flange
Right end be provided with right round fixing groove, and the right retainer plate can be fastened on inside right round fixing groove.
2. a kind of high efficiency automobile purification silencer as described in claim 1, which is characterized in that further include upper mounting seat
(11), lower mounting seat, mounting plate (12) and two groups of installation bolts (13), the bottom of the bottom end of the lower mounting seat and the silencing cavity
Connection on the left of inner wall is held, and the top of lower mounting seat has been uniformly arranged three groups of mounting grooves, the bottom of three groups of net-like spacers (9)
End is inserted into respectively inside three groups of mounting grooves, and is provided with installation through-hole in the top left hand of the noise reduction shell (1), and pacify
It is communicated inside dress through-hole and the silencing cavity, is respectively arranged with left sliding slot and the right side in the inner left wall and right side inner wall of installation through-hole
Sliding slot, the left end of the upper mounting seat (11) and right end are respectively arranged with left slider and right sliding block, and the upper mounting seat (11) is certainly
The top of noise reduction shell (1) is inserted into inside installation through-hole, and the bottom end of upper mounting seat (11) is inserted into inside silencing cavity, upper peace
The bottom end of dress seat (11) has been uniformly arranged mounting groove on three groups, and the top of three groups of net-like spacers (9) is inserted into three groups respectively
Inside upper mounting groove, the bottom end of the mounting plate (12) is connect with the top of the upper mounting seat (11), and the mounting plate
(12) internal left and right side is respectively arranged with two groups of installation through-holes, and the top left hand region of the noise reduction shell (1) is provided with
Two groups of threaded holes, and two groups of threaded holes are located at the left and right side of the installation through-hole, the mounting plate (12)
Top of the bottom end left and right side with the noise reduction shell (1) be adjacent to, and the bottom end of two groups of installation bolts (13) from
The top of mounting plate (12) is each passed through inside two groups of installation through-holes and extend out to the bottom end external world of mounting plate (12), and two groups
The bottom end of installation bolt (13) is inserted into respectively and spiral shell is filled to inside two groups of threaded holes, and the left slider is arranged in the left sliding slot
Portion, and right sliding block is arranged inside right rail, left slider and left sliding slot sliding fit inside, and in right sliding block and right rail
Portion is slidably matched.
3. a kind of high efficiency automobile purification silencer as claimed in claim 2, which is characterized in that further include baffle upper plate (14)
And chin spoiler, the top of the baffle upper plate (14) is connect with the top inner wall of the silencing cavity, and baffle upper plate (14)
Right end lower inclination to the right and the left end of the fixed plate (7) on the upside of connect, the bottom end of the chin spoiler and the silencing cavity
The connection of bottom end inner wall, and upper inclination is connect the right end of chin spoiler with the left end of fixed plate (7) downside to the right.
4. a kind of high efficiency automobile purification silencer as claimed in claim 3, which is characterized in that further include left steel wire winding pad
(15) and right steel wire winding pad, the left steel wire winding pad (15) are set in the outside of air inlet pipe (2), and left steel wire winding pad
(15) it is fastened on inside the left round fixing groove, the left end inner wall of the right end of left steel wire winding pad (15) and left round fixing groove
Contact, the right steel wire winding cushion cover is located at the outside of escape pipe (3), and right steel wire winding pad is fastened on the right circle admittedly
Determine inside slot, the left end of right steel wire winding pad is contacted with the left end inner wall of right round fixing groove.
5. a kind of high efficiency automobile purification silencer as claimed in claim 4, which is characterized in that further include high pressure rubber asbestos
Plate washer (16), the high pressure rubber asbestos plate washer (16) are set in the outside of the upper mounting seat (11), and high pressure rubber
The top of glue asbestos plate washer (16) and the bottom end of the mounting plate (12) are adjacent to, the bottom end of high pressure rubber asbestos plate washer (16)
It is adjacent to the top left hand outer wall of the noise reduction shell (1).
6. a kind of high efficiency automobile purification silencer as claimed in claim 5, which is characterized in that the catalyst includes metal
Platinum or metal rhodium or Metal Palladium.
7. a kind of high efficiency automobile purification silencer as claimed in claim 6, which is characterized in that further include asbestos fibre felt
(17), metal collet, and shape between metal collet and the outer wall of noise reduction shell (1) are provided on the outer wall of the noise reduction shell (1)
At chamber, and the asbestos fibre felt (17) is uniformly filled in the chamber interior.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821468049.XU CN208816213U (en) | 2018-09-07 | 2018-09-07 | A kind of high efficiency automobile purification silencer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821468049.XU CN208816213U (en) | 2018-09-07 | 2018-09-07 | A kind of high efficiency automobile purification silencer |
Publications (1)
Publication Number | Publication Date |
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CN208816213U true CN208816213U (en) | 2019-05-03 |
Family
ID=66276392
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CN201821468049.XU Active CN208816213U (en) | 2018-09-07 | 2018-09-07 | A kind of high efficiency automobile purification silencer |
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CN (1) | CN208816213U (en) |
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2018
- 2018-09-07 CN CN201821468049.XU patent/CN208816213U/en active Active
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