CN208310926U - Waste gas circulating valve - Google Patents
Waste gas circulating valve Download PDFInfo
- Publication number
- CN208310926U CN208310926U CN201820739287.3U CN201820739287U CN208310926U CN 208310926 U CN208310926 U CN 208310926U CN 201820739287 U CN201820739287 U CN 201820739287U CN 208310926 U CN208310926 U CN 208310926U
- Authority
- CN
- China
- Prior art keywords
- motor
- valve
- piston rod
- side wall
- valve chamber
- 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
Links
Abstract
The utility model relates to a kind of automobile parts, in particular to a kind of waste gas circulating valve.A kind of technical solution are as follows: waste gas circulating valve, the motor for including valve body and being connect with valve body, valve body has valve chamber and is recycled into mouth and circulation outlet along what valve chamber was set side by side, it is equipped in valve chamber and promotes to be recycled into piston and piston rod that mouth is connected or blocks with circulation outlet, motor and piston rod linkage promote piston rod band piston to be in sliding in valve chamber, pass through recessed heart flanged joint between motor and valve body, the recessed heart flange includes indent ontology and the installation disk body being connected vertical with body edges, motor is set in the dented space of indent ontology, the bottom end face of dented space is the installation end face that power supply machine is connected by fastener, damping assembly is respectively equipped between installation end face and the side wall and motor being connected vertical with installation end face.By adopting the above technical scheme, it provides a kind of reduction motor resonance qualitly, guarantee piston seal, the simple waste gas circulating valve of structure.
Description
Technical field
The utility model relates to a kind of automobile parts, in particular to a kind of waste gas circulating valve.
Background technique
Waste gas circulating valve is the main component in the automobile exhaust gas circulatory system, is mainly that automobile compact internal combustion engine is firing
Discharge gas is recycled after burning, and reduces the nitrogen oxides in the gas, improves the warp of fuel in sub-load with this
Ji property.
The waste gas circulating valve that tradition is crossed mainly by valve body and motor connect with valve body, valve body with valve chamber and along valve chamber simultaneously
Column setting is recycled into mouth and circulation outlet, is equipped in valve chamber and promotes to be recycled into mouth and be connected or block with outlet is recycled
Piston and piston rod, motor and piston rod linkage promote piston rod band piston be in valve chamber to slide.
Motor and valve body are implemented to fix by fastener, since motor has biggish resonance qualitly, after prolonged use,
Linkage between motor and piston rod will appear deviation, cause the concentricity between piston rod and motor output shaft to occur inclined
Difference, so that the leakproofness of piston be promoted to go wrong.Therefore, resonance qualitly when how the to eliminate motor operation field technology always
The problem that personnel can not overcome.
Utility model content
In view of the deficienciess of the prior art, the utility model provides a kind of reduction motor resonance qualitly, guarantees that piston is close
Envelope, the simple waste gas circulating valve of structure.
To achieve the above object, the utility model provides following technical solution: a kind of waste gas circulating valve includes valve body
And the motor connecting with valve body, valve body have valve chamber and are recycled into mouth and circulation outlet, valve chamber along what valve chamber was set side by side
Interior be equipped with promotes to be recycled into piston and piston rod that mouth is connected or blocks with circulation outlet, and motor and piston rod linkage promote
Piston rod band piston is set to be in sliding in valve chamber, it is characterised in that: to connect between the motor and valve body by recessed heart flange
It connects, which includes indent ontology and the installation disk body being connected vertical with body edges, and motor is set to indent ontology
In dented space, the bottom end face of dented space is the installation end face that power supply machine connect by fastener, installation end face and with peace
Damping assembly is respectively equipped between the side wall and motor that dress end face is vertically connected.
By adopting the above technical scheme, connection is implemented by recessed heart flange between valve body and motor, recessed heart flange and motor it
Between connected by fastener after, damping assembly is set therebetween, the resonance qualitly of motor at runtime is promoted to be eliminated, thus anti-
Only the sealing between piston and valve body is caused to be revealed due to resonance, provides guarantee for the normal operation of valve body.
The utility model is further arranged to: damping assembly includes motor front damping assembly and motor side wall vibration damping group
Part, motor front damping assembly include to be fixedly arranged on installation end face and the pressing plate on motor and subtracting between two pressing plates respectively
Shake spring, and two pressing plates, which are located at shock-absorbing spring, is respectively equipped with positioning column；The motor side damping assembly includes and the recessed heart
The side wall of the connecting plate of the side wall connection of flange dented space and the inclined plate that is inclined to set with the connecting plate, inclined plate and motor it
Between be equipped with the side shock-absorbing spring inhibited with the tilt angle of inclined plate.
By adopting the above technical scheme, the setting of motor front damping assembly can eliminate the vibration of motor axial direction, and motor side
Portion's damping assembly can eliminate the vibration of motor side, what is said or talked about spring buffer from many aspects, generate when eliminating motor work with this
Resonance.
The utility model is further set to: it is located at piston rod in valve chamber and is equipped with centralized positioning set, the centralized positioning
The location hole for offering and passing through for piston rod is put on, thread bush, thread bush and location hole are arranged between location hole and piston rod
It is fixedly connected, the outer peripheral surface of piston rod is equipped with the screw thread being adapted to thread bush.
By adopting the above technical scheme, setting in this way is when can not only keep piston rod to run and the concentricity of motor.
The utility model is further set to: being located to be recycled between mouth and circulation outlet in the valve chamber of valve body and is set
Elastic seal assembly can be equipped with the interface channel of piston seal or depressurization, the side wall of interface channel by having, and the elasticity is close
Sealing assembly includes the mounting groove being opened on interface channel side wall, the spring in mounting groove and the sealing contradicted with spring
Block, mounting groove are equipped with limited shoulder rank towards the place open at one end in the middle part of interface channel.
By adopting the above technical scheme, by the way that elastic seal assembly is arranged in the interface channel with piston seal, work as piston
When keeping sealing with interface channel, conflict of the sealing block by spring seals tight between sustainable guarantee sealing block and piston
Density, sealing performance are stablized, and are not in leakage.
The utility model is further described with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment.
Specific embodiment
A kind of waste gas circulating valve as shown in Figure 1, includes valve body 1 and the motor connecting with valve body 12, and valve body 1 has valve
Chamber 11 and it is recycled into mouth 12 and circulation outlet 13 along what valve chamber 11 was set side by side, is equipped in valve chamber 11 and promotes to be recycled into mouth
12 pistons 3 and piston rod 4 for being connected or blocking with circulation outlet 13, motor 2 and the piston rod 4 linkage promote 4 band of piston rod
Piston 3 is in sliding in valve chamber 11, is connected between motor 2 and valve body 1 by recessed heart flange 5, which includes interior
Recessed ontology 51 and the installation disk body 52 being connected with 51 edge-perpendicular of ontology, motor 2 are set in the dented space 53 of indent ontology 51,
The bottom end face 531 of dented space 53 is the installation end face that connect by fastener of power supply machine 2, install end face and with end face is installed
Damping assembly 6 is respectively equipped between the side wall 532 being vertically connected and motor 2.By adopting the above technical scheme, valve body 1 and motor 2 it
Between by recessed heart flange 5 implement connection, between recessed heart flange 5 and motor 2 by fastener connect after, therebetween setting vibration damping group
Part 6 promotes the resonance qualitly of motor 2 at runtime to be eliminated, to prevent from causing between piston 3 and valve body 1 due to resonance
Sealing reveal, provide guarantee for the normal operation of valve body 1.
In the utility model embodiment, damping assembly 6 includes motor front damping assembly 61 and motor side wall vibration damping
Component 62, motor front damping assembly 61 include to be fixedly arranged on installation end face and pressing plate 611 on motor 2 respectively and in two pressures
Shock-absorbing spring 612 between plate 611, two pressing plates 611, which are located at shock-absorbing spring 612, is respectively equipped with positioning column 613；Motor side subtracts
The component 62 that shakes includes the connecting plate 621 connecting with the side wall of recessed 5 dented space 53 of heart flange and inclined with the connecting plate 621
The inclined plate 622 of setting is equipped with the side vibration damping bullet inhibited with the tilt angle of inclined plate 622 between inclined plate 622 and the side wall of motor 2
Spring 623.The setting of motor front damping assembly 61 can eliminate the axial vibration of motor 2, and motor side damping assembly 62 can disappear
Except the vibration of 2 side of motor, spring buffer from many aspects eliminates the resonance generated when motor 2 works with this.
In order to which concentricity when guaranteeing that piston rod 4 is run between motor 2 is protected, piston rod 4 is located in valve chamber 11
Place is equipped with centralized positioning set 7, offers the location hole 71 passed through for piston rod 4, location hole 71 and piston on centralized positioning set 7
Thread bush 72 is arranged between bar 4, thread bush 72 is fixedly connected with location hole 71, and the outer peripheral surface of piston rod 4 is equipped with and screw thread
The screw thread of 72 adaptation of set.
Be located in the utility model embodiment, in the valve chamber 11 of valve body 1 be recycled into mouth 12 and circulation outlet 13 it
Between be equipped with and can be sealed with piston 3 or the interface channel 14 of depressurization, the side wall of interface channel 14 are equipped with elastic seal assembly
8, which includes the mounting groove 81 being opened on 14 side wall of interface channel, the spring in mounting groove 81
82 and the sealing block 83 that contradicts with spring 82, the place open at one end at mounting groove 81 towards the middle part of interface channel 14 is equipped with limited shoulder rank
84.By the way that elastic seal assembly 8 is arranged in the interface channel 14 sealed with piston 3, when piston 3 and interface channel 14 keep close
Feng Shi, conflict of the sealing block 83 by spring 82, the sustainable tightness for guaranteeing to seal between sealing block 83 and piston 3 are close
Sealing property is stablized, and is not in leakage.
Claims (5)
- The motor that 1. a kind of waste gas circulating valve includes valve body and is connect with valve body, valve body has valve chamber and sets side by side along valve chamber That sets is recycled into mouth and circulation outlet, is equipped in valve chamber and promotes to be recycled into the work that mouth is connected or blocks with circulation outlet Plug and piston rod, motor and piston rod linkage promote piston rod band piston to be in sliding in valve chamber, it is characterised in that: described Motor and valve body between by recessed heart flanged joint, which includes indent ontology and vertical with body edges is connected Installation disk body, motor is set in the dented space of indent ontology, and the bottom end face of dented space is that power supply machine passes through fastener The installation end face of connection installs and is respectively equipped with damping assembly between end face and the side wall and motor being connected vertical with installation end face.
- 2. waste gas circulating valve according to claim 1, it is characterised in that: the damping assembly includes that motor front subtracts Shake component and motor side wall damping assembly, and motor front damping assembly includes the pressure being fixedly arranged on installation end face and motor respectively Plate and the shock-absorbing spring between two pressing plates, two pressing plates, which are located at shock-absorbing spring, is respectively equipped with positioning column；The motor side Wall damping assembly includes the connecting plate connecting with the side wall of recessed heart flange dented space and is inclined to set with the connecting plate The side shock-absorbing spring inhibited with the tilt angle of inclined plate is equipped between the side wall of inclined plate, inclined plate and motor.
- 3. waste gas circulating valve according to claim 1 or 2, it is characterised in that: be located at piston rod in the valve chamber and set There is centralized positioning set, which puts on the location hole for offering and passing through for piston rod, is arranged between location hole and piston rod There is thread bush, thread bush is fixedly connected with location hole, and the outer peripheral surface of piston rod is equipped with the screw thread being adapted to thread bush.
- 4. waste gas circulating valve according to claim 1 or 2, it is characterised in that: be located at circulation in the valve chamber of the valve body Being equipped between inlet port and circulation outlet can set on the side wall of interface channel with the interface channel of piston seal or depressurization Flexible seal assembly, the elastic seal assembly include the mounting groove being opened on interface channel side wall, are set in mounting groove Spring and with spring contradict sealing block, mounting groove towards the place open at one end in the middle part of interface channel be equipped with limited shoulder rank.
- 5. waste gas circulating valve according to claim 3, it is characterised in that: be located in the valve chamber of the valve body and be recycled into Bullet can be equipped with the interface channel of piston seal or depressurization, the side wall of interface channel by being equipped between mouth and circulation outlet Property seal assembly, which includes the mounting groove being opened on interface channel side wall, the bullet in mounting groove Spring and the sealing block contradicted with spring, mounting groove are equipped with limited shoulder rank towards the place open at one end in the middle part of interface channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820739287.3U CN208310926U (en) | 2018-05-17 | 2018-05-17 | Waste gas circulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820739287.3U CN208310926U (en) | 2018-05-17 | 2018-05-17 | Waste gas circulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208310926U true CN208310926U (en) | 2019-01-01 |
Family
ID=64712744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820739287.3U Expired - Fee Related CN208310926U (en) | 2018-05-17 | 2018-05-17 | Waste gas circulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208310926U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468604A (en) * | 2018-05-17 | 2018-08-31 | 瑞安市立安汽车部件有限公司 | Waste gas circulating valve |
-
2018
- 2018-05-17 CN CN201820739287.3U patent/CN208310926U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108468604A (en) * | 2018-05-17 | 2018-08-31 | 瑞安市立安汽车部件有限公司 | Waste gas circulating valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6057093A (en) | Damper | |
| US10837430B2 (en) | High-pressure fuel pump for a fuel injection system | |
| CN208310926U (en) | Waste gas circulating valve | |
| CN108468604A (en) | Waste gas circulating valve | |
| CN104005880A (en) | Seal device and segmented exhaust pipe with same | |
| WO2014108073A1 (en) | Piston type check valve | |
| CN206801820U (en) | A kind of flow is adjustable into air valve | |
| CN201306194Y (en) | Sealing structure for lubricant of supercharger | |
| CN208831714U (en) | Gasket, sealing structure and range hood | |
| CN104481720A (en) | Diesel engine capable of working reliably | |
| CN205036462U (en) | Engine cylinder housing oil filler hole structure | |
| CN208416914U (en) | High pressure liquid housing structure and Vertical Combination valve group | |
| CN209398846U (en) | A kind of hat type sealing structure | |
| CN209228430U (en) | A kind of aviation piston engine oil return apparatus | |
| CN207297272U (en) | A kind of electronic vacuum pump with check valve | |
| CN205781325U (en) | Have from following closed type hoisting type plate valve | |
| CN208331743U (en) | A kind of leakage-resistant lubricant-pump easy to process | |
| CN204783354U (en) | Air cleaner installation component | |
| CN105464812A (en) | Exhaust device used in starting aero-engine fuel control system | |
| CN205225477U (en) | Take engine cylinder lid of sealing washer | |
| CN205663901U (en) | Corrugated tube stop valve of area direction muscle valve clack | |
| CN206017102U (en) | The check valve assembly of electric vacuum pump of automobile | |
| CN215762109U (en) | Valve cover for air compressor | |
| CN218266241U (en) | Combined silencer cylinder cover device | |
| CN212958832U (en) | Motorcycle silencing structure assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190101 Termination date: 20210517 |