CN205876553U - Linear west gate valve - Google Patents
Linear west gate valve Download PDFInfo
- Publication number
- CN205876553U CN205876553U CN201620880519.8U CN201620880519U CN205876553U CN 205876553 U CN205876553 U CN 205876553U CN 201620880519 U CN201620880519 U CN 201620880519U CN 205876553 U CN205876553 U CN 205876553U
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- Prior art keywords
- linear
- spring
- exhaust gas
- gas control
- control valve
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- Mechanically-Actuated Valves (AREA)
Abstract
The utility model relates to a linear west gate valve, include: a housing. With the end cover of casing cooperation installation, including a motor, an end cap, a controller, and a cover plate. With the last output gear engaged with drive gear of motor output shaft, this drive gear install and are being fixed in on the gear shaft of casing inside, with the drive gear cooperation is installed, will drive gear's rotary motion turns into linear motion's linear movement subassembly, and this linear movement subassembly is including adjusting the pole, and spring return system, spring return system encircles adjust the pole. The utility model provides a linear west gate valve has compact structure, assembly convenience advantage strong and with low costs.
Description
Technical field
This utility model relates to auto parts and components product, specifically, relates to a kind of line in automobile power assembly
Property exhaust gas control valve.
Background technology
In the automotive industry, in order to reduce the discharge of nitrogen oxides and improve fuel economy, generally require at power total
In one-tenth system, application can accurately control the valve gear of intake and exhaust, is used for example in engines exhaust gas recirculation (Exhaust-Gas
Recirculation) device such as EGR control valve in system.Such valve gear majority is for utilizing motor as dynamic
Power drives source, then the rotation of motor is exported and to be converted into the linear motion of linear movement assembly (such as: valve rod/adjusting rod)
Linear exhaust gas control valve.
The spring return system of current existing linear exhaust gas control valve has the drawback that production technology and sealing technology
Complexity, assembling convenience difference and cost are high.
Utility model content
The purpose of this utility model is to provide a kind of linear exhaust gas control valve, solves existing linear exhaust gas control valve institute
The problem that assembling convenience is poor and cost is high having.
The linear exhaust gas control valve that this utility model provides, including: housing；The end cap installed is coordinated with described housing；Electricity
Machine；The travelling gear being meshed with the output gear on described motor output shaft, this travelling gear is arranged on and is fixed on described shell
On the gear shaft in internal portion；Coordinate with described travelling gear installation and be straight line by the convert rotational motion of described travelling gear
The linear movement assembly of motion, this linear movement assembly includes adjusting rod；And spring return system, described spring return system
Around described adjusting rod.
Further, described spring return system includes: return spring and Spring retainer, described return spring and spring
Holder is around described adjusting rod, and described Spring retainer is fixing is fitted in described enclosure interior, the first of described return spring
End contacts with the blind end of described Spring retainer.
Further, described spring return system also includes: the spring supporting back-up ring being sleeved on described adjusting rod, described
The second end of return spring is pressed against or is fixedly mounted on described spring supporting back-up ring.
Further, described Spring retainer includes that cross section is the inner and outer wall of annular, described inner wall surrounding shape
Become the cylinder with hollow structure, be formed with one end between described inner and outer wall and close and the annular of other end opening
Groove, described adjusting rod is inserted through described hollow structure.Described return spring is positioned in described cannelure, and its described first
End contacts with the blind end of described cannelure.
Further, described linear exhaust gas control valve also includes: lining, and described lining is positioned in described hollow structure, and
And interference press-fits between the inwall of described Spring retainer, described bush ring is around described adjusting rod.
Further, described linear exhaust gas control valve also includes: be positioned at first sealing ring and first of described lining side
Pad, and it is positioned at the second sealing ring and second pad of described lining other side, described adjusting rod is inserted through described
First sealing ring, the first pad, the second sealing ring and the second pad.Described first sealing ring is positioned at described first pad with described
Between lining and and the inwall of described Spring retainer between interference fit, described first pad is used for supporting described first and seals
Circle.Described second sealing ring between described second pad and described lining and and the inwall of described Spring retainer between mistake
Being full of cooperation, described second pad riveting is fixed on the inwall of described Spring retainer.
Further, described linear exhaust gas control valve also includes: carbon scraper, described carbon scraper and described Spring retainer
Interference fit between inwall, and described adjusting rod is inserted through this carbon scraper.
Further, described linear movement assembly also includes: bar linkage structure, bearing, Magnet and valve head；Described bar linkage structure
It is fixedly mounted on one end of described adjusting rod；Described bearing and Magnet are installed on described bar linkage structure, and described bearing with
Structure on described travelling gear, that can produce linear displacement matches, thus the rotary motion of described travelling gear is turned
Turn to the linear motion of linear movement assembly；Described valve head is arranged on the other end of described adjusting rod.
Further, described linear exhaust gas control valve also includes: for providing the union joint of electrical connection to described motor
With the sensor for sense changes in magnetic fields.
Compared with prior art, the linear exhaust gas control valve that this utility model provides has compact conformation, assembling convenience
Strong and the advantage of low cost.
Accompanying drawing explanation
The accompanying drawing of the part constituting the application is used for providing being further appreciated by of the present utility model, of the present utility model
Schematic description and description is used for explaining this utility model, is not intended that improper restriction of the present utility model.At accompanying drawing
In:
Fig. 1 is the exploded perspective view of linear exhaust gas control valve described in the utility model；
Fig. 2 be Fig. 1 linear exhaust gas control valve assemble after the perspective view of front view；
Fig. 3 be Fig. 1 linear exhaust gas control valve part assemble after perspective view；
Fig. 4 is the enlarged partial sectional view of spring return system.
Detailed description of the invention
Below with reference to accompanying drawings and by embodiment linear exhaust gas control valve described in the utility model is described.
As shown in Figures 1 to 4, linear exhaust gas control valve described in the utility model includes: housing 1；Join with described housing 1
Close the end cap 2 installed；Motor 3, it is internal that this motor 3 may be mounted at described housing 1, it is also possible to is arranged on described end cap 2 internal；
The travelling gear 5 being meshed with the output gear 4 on described motor 3 output shaft, this travelling gear 5 is arranged on and is fixed on described shell
On gear shaft 6 within body 1, its Function Decomposition is two parts, and a part of and described output gear 4 engages, it is achieved nibbling of gear
Close and rotate, another part be by thereon, the structure of linear displacement can be produced, it is achieved convert rotational motion into linear fortune
Dynamic；With on described travelling gear 5 can produce linear displacement respective outer side edges install and can be by described travelling gear 5
Convert rotational motion is the linear movement assembly 7 of linear motion, and this one of them main parts size of linear movement assembly is for adjusting
Pole 71；With spring return system 8, this spring return system 8 is around described adjusting rod 71, and specifically, described adjusting rod 71 is inserted
Enter and pass described spring return system 8, when, after linear exhaust gas control valve power-off, this spring return system 8 can drive linearly
Moving parts 7 returns to initial position.
Specifically, as depicted in figs. 1 and 2, in order to be preferably linear by the convert rotational motion of described travelling gear 5
Linear motion, described linear movement assembly 7 is by constituting such as lower component further: adjusting rod 71, bar linkage structure 72, bearing 73, magnetic
Ferrum 74 and valve head 75；Described bar linkage structure 72 is arranged on one end of described adjusting rod 71；Described valve head 75 is arranged on described regulation
The other end of bar 71；Described bearing 73 and Magnet 74 are installed on described bar linkage structure 72, and described bearing 73 is with described
Structure on travelling gear 5, that can produce linear displacement (is not clearly shown in figure, such as: protruding, off-centre operation or groove
Portion) match the conversion realizing rotary motion to linear motion, thus be linear by the convert rotational motion of described travelling gear 5
The linear motion of moving parts 7.
Specifically, described linear exhaust gas control valve, also include the union joint for providing electrical connection to described motor 3
(not shown) and the sensor 9 for Magnet 74 changes of magnetic field described in perception, described union joint is positioned on described end cap 2,
(not shown) on described motor 3 contact pin patch plug line on described end cap 2, thus realize described motor 3 is provided
Power supply, it is internal that described sensor 9 may be located at the internal or described end cap 2 of described housing 1.
Preferably, shown as shown in Figure 1, Figure 3 and Figure 4, described spring return system 8 farther includes: return spring 81, spring
Holder 82 and spring supporting back-up ring 83.Described Spring retainer 82 for have cavity or hollow structure, one end open and
The structure that other end is closed, and its fixing inside being fitted in described housing 1, such as by the inner wall part with described housing 1
Divide or all interference fit realizes being relatively fixed between described housing 1；Described return spring 81 for compression spring and is positioned at
In the cavity of described Spring retainer 82 or hollow structure, and at the initial position of linear exhaust gas control valve, described return spring
81 have been in Pre strained state；Described spring supporting back-up ring 83 can be sleeved on described regulation by fixing or revocable mode
On bar 71, the most described adjusting rod 71 is inserted through described spring supporting back-up ring 83.And as shown in Figure 4, described return spring 81
First end 811 contact with the blind end of described Spring retainer 82 and fit tightly, the second of described return spring 81
End 812 is pressed against or is fixedly mounted on described spring supporting back-up ring 83.
Preferably, as shown in Fig. 2 to Fig. 4, described return spring 81, Spring retainer 82 and described spring supporting back-up ring
83 all around being set with described adjusting rod 71, and the most described adjusting rod 71 is inserted through described return spring 81, Spring retainer 82
With spring supporting back-up ring 83.When described travelling gear 5 moves along a direction, (such as motor 3 drives valve head 75 motion to beat
During valve opening door), described spring supporting back-up ring 83 moves downward linearly (or at described bar linkage structure 72 with described adjusting rod 71
Move downward linearly under pressure), thus described return spring 81 is applied compression stress thus by further for described return spring 81
Compression, valve is opened；When needs valve closing, described motor 3 quits work, and the described return spring 81 compressed applies power
On described spring supporting back-up ring 83, described adjusting rod 71 is driven (or to promote described spring supporting back-up ring 83 to described connecting rod
Structure 72 applies pressure) move round about, and then realize the closedown of valve.In above-mentioned valve opening and the process of closedown
In, described Spring retainer 82 can support described return spring 81, ensures that return spring 81 will not in motor process simultaneously
Run-off the straight.
Preferably, as shown in Figure 3 and Figure 4, described Spring retainer 82 includes that cross section is the inwall 821 of annular with outer
Wall 822, described inwall 821, around forming the cylinder with hollow structure 824, is formed between described inwall 821 and outer wall 822
Having one end to close and the cannelure 823 of other end opening, described adjusting rod 71 is inserted through described hollow structure 824.
Preferably, as shown in Figure 3 and Figure 4, described return spring 81 is positioned in described cannelure 823, and its described first
End 811 contacts with the blind end of described cannelure 823 and fits tightly.
Preferably, as shown in Figures 1 to 4, described linear exhaust gas control valve also includes that lining 10, described lining 10 are positioned at
In described hollow structure 824, and and the inwall 821 of described Spring retainer 82 between interference press-fit；And the cincture of described lining 10
Described adjusting rod 71, the most described adjusting rod 71 is inserted through described adjusting rod 71.
Preferably, as shown in Figure 2 and Figure 4, described linear exhaust gas control valve also includes being positioned at described lining 10 side
First sealing ring 11 and the first pad 12, and it is positioned at the second sealing ring 13 and the second pad of described lining 10 other side
14, described adjusting rod 71 inserts and passes through described first sealing ring the 11, first pad 12, lining the 10, second sealing ring 13
With the second pad 14.Described first sealing ring 11 is consolidated between described first pad 12 and described lining 10 and with described spring
Determine interference fit between the inwall of device 82, interference fit between described first pad 12 and the inwall of described Spring retainer 82,
Described first pad 12 is used for supporting described first sealing ring 11；Described second sealing ring 13 is positioned at described second pad 14 and institute
State between lining 10 and and the inwall of described Spring retainer 82 between interference fit, described second pad 14 rivets or passed through
The mode coordinated that is full of is fixed on the inwall of described Spring retainer 82.
Preferably, as shown in Figures 1 to 4, described linear exhaust gas control valve also includes carbon scraper 15, described carbon scraper 15
And interference fit between the inwall of described Spring retainer 82, and described adjusting rod 71 is inserted through this carbon scraper 15.Described
The effect of carbon scraper 15 is to wipe carbon distribution thereon off in the reciprocatory movement of described adjusting rod 71.
1 is had the advantage that according to the spring return system 8 of above-mentioned design) can adopt between each parts of system
Use pre-assembled mode, refill as an entirety after forming subassembly and being sleeved on described linear movement assembly 7 and be fitted on
In housing 1, the design before comparing, the process complexity of this assembling mode reduces a lot；2) compression spring generation is used
After scroll spring before having replaced, the structures such as scroll spring bearing below, bushing combination, sealing lid, institute simultaneously can be removed
The machining area stated on housing 1 is greatly reduced, and cost reduces significantly.
To sum up, the operation principle of described linear exhaust gas control valve is as follows:
When linear exhaust gas control valve is energized: it is suitable that the output gear 4 of described motor 3 rotates clockwise band nutating gear 5
Hour hands rotate, the rotation of travelling gear 5 and then driven bearing 73 to move downward, and moving downward of bearing 73 has promoted connecting rod knot
Structure 72, adjusting rod 71 and valve head 75 move downward and (under the effect of spring supporting back-up ring 83, return spring 81 are realized pressure simultaneously
Contracting), such valve turns on, and waste gas is entered by valve port；Described sensor 9 is by induced magnet 74 or other sensing chips
Position, feeds back to control unit of engine by signal, and valve is opened by the output gear of motor 3 by rotating clockwise/counterclockwise
Mouth size is adjusted, and then controls the size of throughput.
When linear exhaust gas control valve power-off: return spring 81 has compressed pretension in this position, after power-off, return spring
The pretightning force of 81 is acted on travelling gear 5 by spring supporting back-up ring 83, bar linkage structure 71 and bearing 73, is therefore equivalent to back
Position spring 81 has acted on a torque on travelling gear 5, and travelling gear 5 rotates counterclockwise under the influence of this torque and carries simultaneously
Galvanic electricity machine 3 rotor rotates, and travelling gear 5 band linear motion assembly 7 is moved upwardly until valve Guan Bi, thus can realize valve
Without the control that is electrically turn off.
Although this utility model discloses as above with preferred embodiment, but this utility model is not limited to this.Any
Skilled person, the various changes made in without departing from spirit and scope of the present utility model and amendment, all should be included this in
In the protection domain of utility model, protection domain the most of the present utility model should be as the criterion with claim limited range.
Claims (12)
1. a linear exhaust gas control valve, including:
Housing；
The end cap installed is coordinated with described housing；
Motor；
The travelling gear being meshed with the output gear on described motor output shaft, this travelling gear is arranged on and is fixed on described shell
On the gear shaft in internal portion；
Coordinate with described travelling gear install and by the convert rotational motion of described travelling gear be linear motion linear movement
Assembly, this linear movement assembly includes adjusting rod；
It is characterized in that, also including spring return system, described spring return system is around described adjusting rod.
Linear exhaust gas control valve the most according to claim 1, it is characterised in that described spring return system includes: return
Spring and Spring retainer, described return spring and Spring retainer are around described adjusting rod, and described Spring retainer is fixing presses
Being contained in described enclosure interior, the first end of described return spring contacts with the blind end of described Spring retainer.
Linear exhaust gas control valve the most according to claim 2, it is characterised in that described spring return system also includes: set
The spring supporting back-up ring being contained on described adjusting rod, the second end of described return spring is pressed against or is fixedly mounted on described spring
On backup washer.
Linear exhaust gas control valve the most according to claim 2, it is characterised in that described Spring retainer includes that cross section is
The inner and outer wall of annular, described inner wall surrounding forms the cylinder with hollow structure, shape between described inner and outer wall
Becoming to have one end to close and the cannelure of other end opening, described adjusting rod is inserted through described hollow structure.
Linear exhaust gas control valve the most according to claim 4, it is characterised in that described return spring is positioned at described cannelure
In, and its described first end contacts with the blind end of described cannelure.
Linear exhaust gas control valve the most according to claim 4, it is characterised in that also include: lining, described lining is positioned at institute
State in hollow structure, and and the inwall of described Spring retainer between interference press-fit, described bush ring is around described adjusting rod.
Linear exhaust gas control valve the most according to claim 6, it is characterised in that also include: be positioned at described lining side
First sealing ring and the first pad, and it is positioned at the second sealing ring and second pad of described lining other side, described regulation
Bar is inserted through described first sealing ring, the first pad, the second sealing ring and the second pad.
Linear exhaust gas control valve the most according to claim 7, it is characterised in that described first sealing ring is positioned at described first
Between pad and described lining and and the inwall of described Spring retainer between interference fit, described first pad is used for supporting institute
State the first sealing ring.
Linear exhaust gas control valve the most according to claim 7, it is characterised in that described second sealing ring is positioned at described second
Between pad and described lining and and the inwall of described Spring retainer between interference fit, described second pad riveting be fixed on
On the inwall of described Spring retainer.
Linear exhaust gas control valve the most according to claim 4, it is characterised in that also include: carbon scraper, described carbon scraper
And interference fit between the inwall of described Spring retainer, and described adjusting rod is inserted through this carbon scraper.
11. linear exhaust gas control valves according to claim 1, it is characterised in that described linear movement assembly also includes: even
Bar structure, bearing, Magnet and valve head；
Described bar linkage structure is fixedly mounted on one end of described adjusting rod；
Described bearing and Magnet are installed on described bar linkage structure, and described bearing with on described travelling gear, can produce
The structure of raw linear displacement matches, thus is transported by the straight line that convert rotational motion is linear movement assembly of described travelling gear
Dynamic；
Described valve head is arranged on the other end of described adjusting rod.
12. linear exhaust gas control valves according to claim 1, it is characterised in that also include: for providing to described motor
The union joint being electrically connected and the sensor being used for sense changes in magnetic fields.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620880519.8U CN205876553U (en) | 2016-08-12 | 2016-08-12 | Linear west gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620880519.8U CN205876553U (en) | 2016-08-12 | 2016-08-12 | Linear west gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205876553U true CN205876553U (en) | 2017-01-11 |
Family
ID=57703040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620880519.8U Active CN205876553U (en) | 2016-08-12 | 2016-08-12 | Linear west gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205876553U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725223A (en) * | 2016-08-12 | 2018-02-23 | 大陆汽车电子(芜湖)有限公司 | Linear exhaust gas control valve |
-
2016
- 2016-08-12 CN CN201620880519.8U patent/CN205876553U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107725223A (en) * | 2016-08-12 | 2018-02-23 | 大陆汽车电子(芜湖)有限公司 | Linear exhaust gas control valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 241009 Anhui city of Wuhu Province Silver Lake Economic and Technological Development Zone No. 27 North Road Patentee after: WeiPai automotive electronics (Wuhu) Co., Ltd Address before: 241009 Anhui city of Wuhu Province Silver Lake Economic and Technological Development Zone No. 27 North Road Patentee before: Continental automotive electronics (Wuhu) Co., Ltd |
|
| CP01 | Change in the name or title of a patent holder |