CN207634137U - A kind of vehicle exhaust particle trap - Google Patents

Abstract

The utility model discloses a kind of vehicle exhaust particle trap, belong to automobile technical field, it is related to the device of the tiny particles content collection processing among the exhaust gas being discharged after automobile engine is done work, since such device is easy to make function reduce by collected particulate matter blocking channel, and prior art maintenance effect is limited, the utility model can directly maintain filter core to improve maintenance effect, and can avoid secondary pollution.

Description

A kind of vehicle exhaust particle trap

Technical field

The utility model belongs to automobile technical field, is related to tiny among the exhaust gas being discharged after automobile engine is done work The device of particulate collection processing.

Background technology

Tiny particles content among the exhaust gas being discharged after automobile engine acting is to generate a major reason of haze, It needs to be collected processing with particle trap before being discharged into air, however the aperture of filter core is usually tiny in particle trap Particulate matter blocks and loses effect, it is therefore desirable to which periodic activity recovery, currently used technology are Electric heatings, that is, are filtered Core is sealed in by modes such as welding in particle trap, is blocked to a number when automobile computer detects particle trap Value, just starts electric heating system and particle trap is heated to 600 degree or so, and particulate matter is discharged at gas to reach Dredge the purpose of aperture activity recovery.However organic complex a small amount of in exhaust gas is that cannot aoxidize to become at a temperature of 600 degree Gas, damage filter core and other component can be sintered if temperature is excessively high, thus aperture still can be blocked for a long time, and by Cannot be taken out in filter core causes maintenance scheme single, therefore the prior art effect is undesirable, the service life of particle trap It does not grow, while the set system price is expensive,

The Chinese patent of Patent No. 200720148310.3 discloses a kind of knock-down particle trap, shortcoming It is：Filter core, which is fixed on flange, to be not easy to remove, and maintenance effect and formation two can be excessively influenced because of impurity when being put into cleaning solution Secondary pollution reduces the service life；Fixing entire filter core simply by one end and forming discontinuity equalization and can damage filter core and reduce makes Use the service life；The processing technology that cooperation between inside and outside shell requires is high, and the excessive exhaust gas in product inside and outside shell gap is easy without place in reality Reason and by and be easy to be clung by complex compound in exhaust gas and cause to be not easy to assemble；Because no heat insulation effect can cause to weaken below Catalytic treatment link efficiency, catalyst converter is just started to work at 200 degree Celsius or more, therefore can lead to larger tail in winter Gas pollution drop, and can thus reduce the service life of catalyst converter.

Utility model content

Existing defect for the above-mentioned prior art, the technical problem to be solved by the present invention is to provide a kind of than existing There is product that there is the cheap vehicle exhaust particle trap of more long life.

The further technical problems to be solved of the utility model are to facilitate installation and take out filter core and have protection filter core Guard block simultaneously again being capable of the vehicle exhaust particle trap that does not reduce of protection air-flow temperature.

Since filter core can be taken out, it will be able to which the stopping state for observing filter core different parts targetedly takes maintenance side Method, and a variety of prior arts can be integrated and maintained, it is thus possible to the effect preferably restored is obtained, to extend filter The service life of core, also just to extend the service life of particle trap.

The vehicle exhaust particle trap of the utility model, it is that gasoline, diesel oil, ethyl alcohol, natural gas etc. need to be suitable for fuel It wants engine acting to generate the automobile of power, including filter core, liner and pulling-off type shell, pads the gas flowing side along filter core To package filter core outer wall, liner and filter core be placed in shell inner cavity jointly, it is characterized in that inside the shell in chamber be packed into one or Guard block is installed at multiple filter cores, filter core inlet end or filter core both ends, is had along the shell inner cavity both ends of gas flow direction Narrow position fixation filter core and liner.

It can be packed into one or more filter cores in cavity pocket of outer cover, when being packed into multiple filter cores, can be in direct contact between filter core, One end that empty and nearly filter cartridge port inside both ends open described above can be installed between filter core has towards filter core cross section The guard block shell of the convex layer in center either convex block can use the shell of two-part or more multistage.This is because due to The reasons such as fuel, engine, road conditions can cause particulate matter in tail gas of different sizes, and targetedly capture the difference of specific dimensions The filter core of specification, capture effect is good and elongated i.e. service life maintenance period also just extends.

The reason of multiple choices occur is that the tail gas being discharged after the engine acting of the various models of various fuel is different, outside The operating condition of shell processing technology precision and processing cost difference, from the angle for configuring height, reaching effect degree and reduced cost See there will be multiple choices scheme, but core concept is all that the reliability of filter core removal and installation and liner are closed, specifically on degree The considerations of selecting then for sale etc., for example with brand the different prices differences of configuration are also had with the automobile of engine displacement Common situations, the utility model only from technical aspect do it is appropriate conclusion and enumerate.

Further, the position that narrows of the vehicle exhaust particle trap of the utility model, shell inner cavity both ends is shell Body inside concave layer or concave block, concave layer can be understood as continuous concave block connection or concave block can be understood as the piece of concave layer Section, concave block are either one or more；Either inner cavity cast or weld etc. the formation of outer add mode convex layer or Person's convex block, convex layer can be understood as continuous convex block connection or convex block can be understood as the segment of convex layer, and convex block can be one A can also be multiple；The either inner wall of shell both ends cone.

Further, the vehicle exhaust particle trap of the utility model, liner package filter core can reduce the outer bound pair of automobile The shock and vibrations of filter core play the role of protecting filter core, while padding the effect for also having insulation effect and fixed filter core.Liner Damage the viscous glutinous effect after being thermally expanded largely due to the deflation of high temperature and pressure waste gas stream and liner between component reduce thus group swarming It dissipates, therefore so that liner is blown the confined space for hitting and being formed liner to extending lining from air-flow in liner ports installation guard block Pad service life is of great significance.Guard block is the solid of sky inside both ends open, and inner space fills filter core, inner wall packet Wrap up in filter core, shell contacts outer casing inner wall, and end thereof contacts shell inner cavity narrows position, end thereof contacts liner；Or guard block is There is the solid of convex layer or convex block towards filter core cross section center in one end of empty and nearly filter cartridge port inside both ends open, interior Portion space fills filter core, and inner wall wraps up filter core, and shell contacts outer casing inner wall, and end thereof contacts shell inner cavity narrows position, a termination Touch liner.Guard block can be metal or nonmetallic；Further guard block can be sheet metal, woven wire, Non-metal plate, nonmetallic silk screen etc., since liner can be matched with the shape installed of script, thus the guard block padded can pacify Dress supports the extension of vehicle exhaust particle trap service life in such a way that extension pads service life.

Further, the guard block of the vehicle exhaust particle trap of the utility model has the sealing flowed to gas Property.Since the filter core shape of different model automobile is different, there are cylinder, cuboid, triangle body and irregular geometry, is real Existing defencive function, concrete shape are determined according to the concrete shape of filter core to realize the function of package filter core end.

Further, guard block can be coated in liner one or both ends to gas have sealing function glue or Person paints.

It, should when guard block is coated in the case where glue or paint with sealing function for padding one or both ends Glue or paint can be such that liner blows from air-flow to hit, while filter core, outer casing inner wall, outer casing inner wall narrowing are collectively formed to liner Enclosure space is loss to protect liner to be notheated expansion, this scheme needs higher shell processing technology precision.It is outer simultaneously Shell processing technology precision height disclosure satisfy that the sealing performance in liner space, so that it may only to install guard block in filter core inlet end.

It is the prior art that the utility model, which does not have detailed portion,.

Since filter core is fixed not against restorable elastic force is padded, that is, padding can not be needed with normal condition assembly Compression, therefore press device auxiliary assembly is not needed, it is convenient to that can assemble by hand, so that assembly difficulty is preferably minimized, makes dress It is preferably minimized with scrappage；And guard block can be installed and easily be installed；If filter core only needs to change filter after scrapping For core without replacing whole device, similarly liner only needs to change new liner without replacing whole device after scrapping, and reduces Use cost；Directly filter core can be maintained, prevent secondary pollution and damage, improved maintenance effect, extended its use Service life；Detection block system and heating fuel system need not be installed additional, reduce production cost.Maintain the service life to automobile It is of great significance, above-mentioned multiple advantageous effects can will promote each Auto repair shop to be included in daily guarantor by particle trap is maintained Subject is supported, this is of great significance to the actual environment of air pollution.

Description of the drawings

Fig. 1 is the filter core sectional view along airflow direction.

Fig. 2 is filter cartridge port cross-sectional views of the Fig. 1 perpendicular to airflow direction.

Fig. 3 is filter cartridge port cross-sectional views of the Fig. 1 perpendicular to airflow direction.

Fig. 4 is the filter core sectional view along airflow direction.

Fig. 5 is filter cartridge port cross-sectional views of the Fig. 4 perpendicular to airflow direction.

Fig. 6 is filter cartridge port cross-sectional views of the Fig. 4 perpendicular to airflow direction.

Fig. 7 and Fig. 8 is that shell inner cavity narrows the device installation signal that position is the solid that concave layer, guard block have convex layer Figure.

Fig. 9 and Figure 10 is that shell inner cavity narrows that be concave layer, guard block do not have the device installation of the solid of convex layer to show at position It is intended to.

Figure 11 and Figure 12 is that the shell inner cavity position that narrows be concave layer, guard block is the device installation for being coated with glue or paint Schematic diagram.

Figure 13 is that shell inner cavity narrows the schematic device that position is the solid that convex block, guard block have convex layer.

Figure 14 is that shell inner cavity narrows that be convex layer, guard block do not have the schematic device of the solid of convex layer at position.

Figure 15 is that the shell inner cavity position that narrows be convex layer, guard block is the schematic device for being coated with glue or paint.

Figure 16 be shell inner cavity narrow position be shell both ends cone the inner wall reduced outward, guard block have convex layer The schematic device of solid.

Figure 17 is that the shell inner cavity position that narrows is concave layer, is only equipped with the guard block solid of convex layer in filter core air inlet port Schematic device.

Figure 18 be shell inner cavity narrow position be convex layer, that the guard block of no convex layer is only installed in filter core air inlet port is solid The schematic device of body.

Figure 19 is most preferred embodiment, and shell inner cavity narrows position as concave layer, and filter core both ends are equipped with guard block, guard block There is the schematic device of the solid of convex layer

Figure 20 is the schematic device that shell inner cavity placed two filter cores

Specific implementation mode

Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is described in further detail, for convenience, from Fig. 7 to Figure 20, air-flow flow to right end from left end, i.e. the left end of figure is inlet end, and the right end of figure is outlet side.

Fig. 1 is sectional view of the filter core 1 along airflow direction for not putting into shell, and filter core 1 is cylinder or square, air inlet Port 2 and air outlet 3 are enclosed with guard block 4,

Fig. 2 is port cross-sectional face figure of the filter core 1 along airflow direction that Fig. 1 does not put into shell, and guard block, which is port, to be had Towards the convex layer solid 4 in 1 cross section of filter core center, the filter core 1 of this figure is cylinder,

Fig. 3 is port cross-sectional face figure of the filter core 1 along airflow direction that Fig. 1 does not put into shell, and guard block, which is port, to be had Towards the convex block solid 4 in 1 cross section of filter core center, the filter core 1 of this figure is square.Solid 4 is stainless steel substrates or has leakproofness The metal materials such as woven wire, or the nonmetallic materials of catalytic device working high temperature and cavitation erosion can be born.Liner 5 is being protected It protects behind component 4.The position that narrows at the shell inner cavity both ends that the guard block 4 of this scheme can contact, shell inner cavity both ends Narrow position type can be divided into the inside concave layer of shell either concave block, shell inner cavity casting or welding etc. outer add mode formed Convex layer or convex block, shell both ends cone inner wall.

Fig. 4 is sectional view of the filter core 1 along airflow direction for not putting into shell, and filter core 1 is cylinder or square, air inlet Port 2 and air outlet 3 are enclosed with guard block 4, and guard block is the woven wire for having leakproofness, and guard block 4 only encases The outer wall of filter core 1, liner 5 is behind guard block 4.

Fig. 5 is Fig. 4 filter cores 1 when being cylinder, and guard block 4 encases port outer wall, and liner 5 is behind guard block 4.

Fig. 6 is Fig. 4 filter cores 1 when being square, and guard block 4 encases port outer wall.The shape of guard block 4 is according to filter core Shape and the shape of shell inner cavity jointly determine.Liner 5 is behind guard block 4.

Fig. 7 is to have wrapped up guard block 4 to put into the inner cavity of shell 6 with the filter core 1 for padding 5, and shell 6 is by that can dismantle What the component 61 and component 62 of separation and connection combination were made up of flange 8 and bolt, Fig. 7 is that component 61 and component 62 divide From state, Fig. 8 is component 61 and component 62 by flange 8 and is bolted state, and guard block is the wire for having leakproofness Net.Fig. 8 illustrates that guard block 4 contacts shell inner cavity and narrows position shell concave layer 7, and component 61 and component 62 have concave layer respectively, by The sealing space to liner 5 is collectively formed in guard block 4,1 outer wall of filter core, shell inner cavity inner wall.The ruler of case member 61 and 62 Very little and shape can be the same or different, and is specifically subject to and how to coordinate automobile entirety.

Fig. 9 is to have wrapped up guard block 4 to put into the inner cavity of shell 6 with the filter core 1 for padding 5, and shell 6 is by that can dismantle What the component 61 and component 62 of separation and connection combination were made up of flange 8 and bolt, Fig. 9 is that component 61 and component 62 divide From state, Figure 10 is component 61 and component 62 by flange 8 and is bolted state, and guard block is the wire for having leakproofness Net.Figure 10 illustrates that guard block 4 contacts shell inner cavity and narrows position shell concave layer 7, by guard block 4,1 outer wall of filter core, shell The sealing space to liner 5 is collectively formed in interior cavity wall.

Figure 11 be wrapped up liner 5 filter core 1 put into the inner cavity of shell 6, shell 6 be by can separate and even It connects the component 61 of combination and component 62 is made up of flange 8 and bolt, Figure 11 is 62 discrete state of component 61 and component, protection Component is the woven wire for having leakproofness, and Figure 12 is component 61 and component 62 by flange 8 and is bolted state.Figure 12 is said Bright filter core 1 and 5 contact shell inner cavities of liner narrow position shell concave layer 7, are narrowed by filter core 1, shell inner cavity inner wall, shell inner cavity The sealing space to liner 5 is collectively formed in position shell concave layer 7.Liner 5 is contacted with the shell inner cavity position shell concave layer 7 that narrows Port be coated with sealing paint or the gasket coatings 4 such as glue.

Figure 13 is to have wrapped up guard block solid 4 and the filter core 1 of liner 5 is put into the inner cavity of shell 6, and shell 6 is by can It is made up of flange 8 and bolt with the component 61 and component 62 that separate and connect combination, it is illustrated that component 61 and component 62 are integrated by flange 8 and being bolted.Guard block is the woven wire for having leakproofness, and guard block 4 contacts outer Shell inner cavity narrows the soldering projection 7 in position i.e. shell inner cavity, and component 61 and component 62 respectively have convex block respectively, by guard block 4, The sealing space to liner 5 is collectively formed in 1 outer wall of filter core, shell inner cavity inner wall.The size and shape of case member 61 and 62 can It can also be different with identical, be specifically subject to and how to coordinate automobile entirety.

Figure 14 is to have wrapped up guard block solid 4 and the filter core 1 of liner 5 is put into the inner cavity of shell 6, and shell 6 is by can It is made up of flange 8 and bolt with the component 61 and component 62 that separate and connect combination, it is illustrated that component 61 and component 62 are integrated by flange 8 and being bolted.Guard block is the woven wire for having leakproofness, guard block 4 and filter core The 1 convex layer 7 of casting that narrows in position i.e. shell inner cavity of contact shell inner cavity, by guard block 4, filter core 1, shell inner cavity inner wall, The sealing space to liner 5 is collectively formed.

Figure 15 be wrapped up liner 5 filter core 1 put into the inner cavity of shell 6, shell 6 be by can separate and even It connects the component 61 of combination and component 62 is made up of flange 8 and bolt, it is illustrated that component 61 and component 62 pass through flange 8 It is integrated with being bolted.Liner 5 and filter core 1 contact the convex layer 7 of welding that shell inner cavity narrows in position i.e. shell inner cavity, by filtering Sealing space to liner 5 is collectively formed in core 1, shell inner cavity inner wall, the shell inner cavity convex layer of position shell 7 that narrows.Liner 5 exists It is coated with the gasket coatings 4 such as sealing paint with the shell inner cavity port that the convex layer of position shell 7 contacts that narrows.

Figure 16 is to have wrapped up guard block 4 to put into the inner cavity of shell 6 with the filter core 1 for padding 5, and shell 6 is by that can tear open It opens separation and connects what the component 61 combined and component 62 were made up of flange 8 and bolt, it is illustrated that component 61 and component 62 are It is integrated through passing through flange 8 and being bolted, guard block is stainless steel substrates.Guard block 4 contact shell both ends cone to The inner wall of outer diminution is collectively formed by guard block 4,1 outer wall of filter core, shell inner cavity inner wall to liner 5 as fixed position Sealing space.

Figure 17 be inlet end wrapped up guard block 4 and liner 5 filter core 1 put into the inner cavity of shell 6, only filter core into Gas port is equipped with the guard block of convex layer, and guard block is the woven wire for having leakproofness, and shell 6 is by that can separate And connect what the component 61 combined and component 62 were made up of flange 8 and bolt, and connected.Guard block 4 contacts Inlet end shell inner cavity narrows position shell concave layer 7, and filter core 1 and 5 cooperating contact outlet side shell inner cavities of liner narrow position shell Body concave layer 7.It is total to by guard block 4,1 outer wall of filter core, shell inner cavity inner wall, outlet side shell inner cavity the position shell concave layer 7 that narrows Similar shape pads 5 sealing space in pairs.

Figure 18 be inlet end wrapped up guard block 4 and liner 5 filter core 1 put into the inner cavity of shell 6, only filter core into The guard block of no convex layer is installed in gas port, and shell 6 is the component 61 and component by that can separate and connect combination 62 are made up of flange 8 and bolt, and have connected.Guard block 4 and 5 cooperating contact inlet end shell inner cavities of liner become The convex layer 7 of narrow portion position shell, filter core 1 and 5 cooperating contact outlet side shell inner cavities of liner narrow the convex layer 7 in position, and guard block is not Become rusty steel disc.It is collectively formed to lining by guard block 4, filter core 1, shell inner cavity inner wall, outlet side the shell inner cavity convex layer in position 7 that narrows The sealing space of pad 5.

Most preferred embodiment is as shown in figure 19, and the filter core 1 for having wrapped up guard block 4 and liner 5 is put into the inner cavity of shell 6, Guard block is the woven wire for having leakproofness, and shell 6 is the component 61 and component by that can separate and connect combination 62 are formed and have been connected by flange 8 and bolt.Guard block 4 contacts shell inner cavity and narrows position shell concave layer 7, by The sealing space to liner 5 is collectively formed in guard block 4,1 outer wall of filter core, shell inner cavity inner wall, filter core.

Figure 20 is that shell inner cavity placed two filter cores 11 and filter core 12 for having wrapped up guard block 4 and liner 5, filter core 11 There are space 9 between filter core 12, shell 6 is the component 61, component 62 and component by that can separate and connect combination 63 are formed and have been connected by flange 8 and bolt, and guard block is the woven wire for having leakproofness.Guard block 4 contacts Shell inner cavity narrows position shell concave layer 7, is respectively formed jointly by guard block 4, filter core 11 and 12 outer walls, shell inner cavity inner wall To the sealing space of liner 5.

The basic principles and main features and advantage of the utility model have been shown and described above.The technology people of the industry Member is it should be appreciated that the present utility model is not limited to the above embodiments, in practice in addition to above-mentioned along the multiple of airflow direction level Case member is attached, and is also carried out in multiple case members of airflow direction perpendicular to airflow direction and multiple angles oblique line Connection, the description of the embodiments and the specification only illustrate the principle of the present utility model, is not departing from the utility model core Under the premise of thought is want with range, the utility model also has various changes and improvements, these changes and improvements and equivalent, Effect deteriorates object and both falls in claimed the scope of the utility model.

Claims (7)

1. a kind of vehicle exhaust particle trap, including filter core, liner and pulling-off type shell, liner is flowed along the gas of filter core Filter core outer wall is wrapped up in direction, and liner and filter core are placed in shell inner cavity jointly, it is characterized in that being packed into one in chamber inside the shell Or multiple filter cores, guard block is installed at filter core inlet end or filter core both ends, along the shell inner cavity both ends of gas flow direction There is the position that narrows to fix filter core and liner.

2. vehicle exhaust particle trap according to claim 1, it is characterized in that the position that narrows at shell inner cavity both ends is Shell inside concave layer or concave block.

3. vehicle exhaust particle trap according to claim 1, it is characterized in that the position that narrows at shell inner cavity both ends is In inner cavity casting convex layer or convex block that either welding is formed.

4. vehicle exhaust particle trap according to claim 1, it is characterized in that the position that narrows at shell inner cavity both ends is The inner wall of shell both ends cone.

5. vehicle exhaust particle trap according to claim 1, it is characterized in that guard block is empty inside both ends open Solid, inner space fill filter core, inner wall wrap up filter core, shell contact outer casing inner wall, end thereof contacts shell inner cavity narrowing The wall of position, end thereof contacts liner, solid has inhibition to the flowing of gas.

6. vehicle exhaust particle trap according to claim 1, it is characterized in that guard block is empty inside both ends open And one end of nearly filter cartridge port has the solid of convex layer or convex block towards filter core cross section center, inner space to fill filter core, Its inner wall wraps up filter core, and shell contacts outer casing inner wall, and end thereof contacts shell inner cavity narrows position, end thereof contacts liner, solid Wall has inhibition to the flowing of gas.

7. vehicle exhaust particle trap according to claim 1, it is characterized in that guard block is one coated in liner Hold the glue or paint with sealing function at either both ends.