CN205745330U - The gas spray valve of the band buffer gear of Electromagnetic Drive - Google Patents
The gas spray valve of the band buffer gear of Electromagnetic Drive Download PDFInfo
- Publication number
- CN205745330U CN205745330U CN201620687745.4U CN201620687745U CN205745330U CN 205745330 U CN205745330 U CN 205745330U CN 201620687745 U CN201620687745 U CN 201620687745U CN 205745330 U CN205745330 U CN 205745330U
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- CN
- China
- Prior art keywords
- valve
- buffer stopper
- buffer
- valve block
- gas spray
- 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.)
- Withdrawn - After Issue
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- 239000000872 buffer Substances 0.000 title claims abstract description 121
- 239000007921 spray Substances 0.000 title claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 28
- 230000003139 buffering effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 230000007547 defect Effects 0.000 abstract description 5
- 239000006173 Good's buffer Substances 0.000 abstract description 3
- 238000011176 pooling Methods 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 10
- 230000002153 concerted effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Abstract
The utility model discloses the gas spray valve of the band buffer gear of a kind of Electromagnetic Drive, including: valve body, spool, valve seat and buffer gear, the valve block of spool is provided with the external seal conical surface, and valve seat is provided with interior sealing cone, and the cone angle of the external seal conical surface is more than or less than the cone angle of interior sealing cone；Buffer gear includes the buffing pad being provided with end cap, buffing pad is movably installed with front buffer stopper and rear buffer stopper in being fixed on the cavity that valve body, buffing pad and end cap surround, end cap is provided with front striking face, buffing pad is provided with rear striking face, and front buffer stopper is between front striking face and described rear striking face；Front buffer spring clamps between end cap and front buffer stopper, and rear buffer spring clamps between front buffer stopper and rear buffer stopper.This gas spray valve is provided with the buffer gear repeatedly with pooling feature, the defect clashed into spool, cause spool to be again turned on after overcoming buffer stopper bounce-back, good buffer effect, and fast response time extends the service life of gas spray valve.
Description
Technical field
This utility model relates to gas spray valve technical field, particularly relates to the gas of the band buffer gear of a kind of Electromagnetic Drive
Body injection valve.
Background technology
The high speed electromagnetic gas spray valve using Electromagnetic Drive can adapt to less traffic requirement and relatively low gas pressure
Power condition, Chinese invention patent CN104197027A discloses a kind of monoblock type double valve gas spray valve and assembly method thereof,
Can meet big flow high-speed response requirement, but the valve block of valve and valve seat direct collision, the life-span of valve is affected.
Chinese invention patent CN105042177A discloses the band buffer gear of a kind of Electromagnetic Drive that the applicant proposes
Gas spray valve, in the closing process of spool, under the effect of return spring, spool at a high speed to closing direction motion,
When spool is close to valve seat, valve rod head first knocks buffer stopper, kinergety major part is transferred in buffer stopper and buffer spring,
Then spool is slowly taken a seat, and alleviates valve block and the gouging abrasion of valve seat when spool is closed, and when spool is again turned on, undamped is made
With, response is fast.But rebound after buffer stopper high-speed motion clashes into drive end bearing bracket subsequently, can again clash into spool, cause spool again
Open, affect gas spray valve motion and service life.Furthermore, valve block uses face seal, due to sealing surface with the sealing of valve seat
Wear and tear uneven, cause gas to leak.It addition, for the needs of assembling, the outside diameter of front valve block is less than outside rear valve block
Circular diameter, thus the area of size valve block is different, causes gas to act on the pressure imbalance on spool, affects the motion of spool
Speed.
Utility model content
In view of the disadvantages described above of prior art, this utility model provides the gas spray of the band buffer gear of a kind of Electromagnetic Drive
Penetrate valve, with the defect clashed into spool, cause spool to be again turned on after overcoming buffer stopper bounce-back, this valve good buffer effect, accordingly speed
Degree is fast, uses reliable.
For solving above-mentioned technical problem, the technical solution of the utility model is: the band buffer gear of a kind of Electromagnetic Drive
Gas spray valve, including: valve body, it is provided with valve seat and valve pocket in described valve body, described valve body is provided with air inlet and venthole,
It is provided with inlet channel between described air inlet and described valve seat；Spool and return spring, described spool includes that order is arranged
Valve rod, valve block and valve tail, described valve stem slides is installed in described valve pocket, and described valve block is suitable with described valve seat；Moving armature
And solenoid, described moving armature is fixedly connected on described valve tail, and described solenoid is installed on the rear portion of described valve body；Buffering
Mechanism；Described valve block is provided with the external seal conical surface, and described valve seat is provided with interior sealing cone, and the cone angle of the described external seal conical surface is big
In or less than the cone angle of described interior sealing cone；Described buffer gear includes the buffing pad being provided with end cap, and described buffing pad is solid
Front buffer stopper and rear buffer stopper, institute it is movably installed with in the cavity that described valve body, described buffing pad and described end cap surround
Stating end cap and be provided with front striking face, described buffing pad is provided with rear striking face, described front buffer stopper be positioned at described front striking face with
Between described rear striking face；The cavity that described buffing pad and described end cap surround communicates with the cavity of described valve body, described valve rod
Head stretch to described rear buffer stopper；Front buffer spring and rear buffer spring, described front buffer spring clamp in described end cap with
Between described front buffer stopper, described rear buffer spring clamps between described front buffer stopper and described rear buffer stopper.
Preferably, described buffing pad is provided with pilot hole, and described front buffer stopper is slidably mounted on described pilot hole.
Preferably, described valve body is provided with guiding cylinder, and described rear buffer stopper is sheathed on described guiding cylinder.
Preferably, described end cap is fixing with described buffing pad is connected.
Preferably, the spring mountings position of described front buffer stopper, described rear buffer stopper and described end cap be respectively arranged with heavy
Hole.
Preferably, described return spring clamps between the rear portion of described valve body and described valve tail.
Preferably, described valve seat includes that front valve seat and rear valve base, described valve block include front valve block and rear valve block, described front valve
Be provided with connecting rod between sheet and described rear valve block, described venthole between described front valve block and described rear valve block, described front valve
The outside diameter of sheet is less than or equal to described rear valve base less than the outside diameter of described rear valve block, the outside diameter of described front valve block
Aperture.
Preferably, the cone angle of the described front valve block external seal conical surface is more than the cone angle of sealing cone in described front valve seat, described
The front valve block external seal conical surface forms loop wire shape band with the intersection of sealing cone in described front valve seat, and described rear valve block is outer close
The cone angle of the envelope conical surface is less than in the cone angle of sealing cone, the described rear valve block external seal conical surface and described rear valve base in described rear valve base
The intersection of sealing cone forms loop wire shape band.
Preferably, the greatest circle diameter of the described front valve block external seal conical surface is equal to the outside diameter of described front valve block, described
The outside diameter of front valve block is equal to the aperture of described rear valve base.
Preferably, described valve seat and described valve body are set to one or split is arranged.
After have employed technique scheme, the beneficial effects of the utility model are:
1) owing to being provided with front buffer stopper and rear buffer stopper and front buffer spring and rear buffer spring, when spool is closed,
Under the effect of return spring, travel forward at a high speed, when valve block is close to valve seat, the head of valve rod first clash into after buffer stopper,
Most kinetic energy is passed to rear buffer stopper, and valve block is slowly taken a seat, and rear buffer stopper travels forward, buffer stopper before clashing into, will be big
Part kinetic energy passes to front buffer stopper, rear buffer stopper under the effect of rear buffer spring, bounce-back rearward movement and with valve rod head
Contact, owing to the major part transmission of the kinetic energy of buffer stopper gives front buffer stopper after at this moment, its kinetic energy be only after buffer spring
Storage energy, greatly reduce with the shock of valve rod head；After front buffer stopper is knocked, travel forward, clash into and be arranged at end cap
Front striking face, rearward movement after resilience, at this moment have returned to original position due to rear buffer stopper, therefore, front buffer stopper is only
Can clash into the rear striking face being arranged at buffing pad again, then front striking face is clashed in resilience again ..., Impact energy all consumes slow
On red seat, the sealing surface of valve block with valve seat is played a protective role.
2) using double valve sheet structure, front valve block external diameter valve block external diameter little, rear is big, the aperture valve little, rear of corresponding front valve seat
The aperture of seat is big, and the cone angle of front valve block is more than the cone angle of front valve seat, and the cone angle of rear valve block is less than the cone angle of rear valve base so that front valve
The loop wire shape band that formed between sheet and front valve seat and the rear loop wire shape band formed between valve block and rear valve base big
It is little the most close, until the greatest circle diameter of the current valve block external seal conical surface is equal to the outside diameter of front valve block, outside front valve block
When circular diameter is equal to the aperture of rear valve base, front and back the size of valve block band is essentially equal, acts on gas pressure on spool
Making a concerted effort to be zero, gas acts on the pressure on spool and reaches balance, it is achieved the spool quick response under Electromagnetic Control.
3) valve block and valve seat are linear sealing, can be prevented effectively from the leakage that sealing surface uneven wear causes.
In sum, this injection valve is provided with the buffer gear repeatedly with pooling feature, after overcoming buffer stopper bounce-back
Clash into spool, the defect causing spool to be again turned on, good buffer effect, fast response time, extend the use of gas spray valve
Life-span.
Accompanying drawing explanation
Fig. 1 is the longitudinal sectional view of the gas spray valve of the band buffer gear of this utility model Electromagnetic Drive；
Fig. 2 is the partial enlarged drawing in Fig. 1 at I；
Fig. 3 is the partial enlarged drawing in Fig. 1 at II；
In figure: 1-valve body, 11-air inlet, valve seat before 12a-, sealing cone in 12a1-, 12b-rear valve base, close in 12b1-
The envelope conical surface, 13-venthole, 14-return spring, 2-spool, 21-valve rod, valve block before 22a-, the 22a1-external seal conical surface, after 22b-
Valve block, the 22b1-external seal conical surface, 23-valve tail, 3-valve pocket, buffer stopper after 4-, 51-buffing pad, striking face after 511-, 52-end
Lid, striking face before 521-, buffer stopper before 6-, buffer spring before 7-, buffer spring after 8-, 9-moving armature, 10-solenoid.
Detailed description of the invention
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
In order to make it easy to understand, " front and back " is done following agreement by this utility model: solenoid 10 obtains electric, by moving armature 9
Band movable valve plug 2 moved to " afterwards ", and spool 2 is opened；Solenoid 10 dead electricity, return spring 14 makes spool 2 move to " front ", spool
2 close.
As it is shown in figure 1, the gas spray valve of the band buffer gear of a kind of Electromagnetic Drive, valve body 1 is provided with air inlet 11 He
Venthole 13, is provided with valve seat and valve pocket 3, is provided with inlet channel between described air inlet and described valve seat in valve body 1.
Spool 2 includes valve rod 21, valve block and the valve tail 23 that order is arranged, and valve block is suitable with valve seat, and valve rod 21 slides and pacifies
Being loaded in valve pocket 3, valve block is divided into front valve block 22a and rear valve block 22b, is provided with connecting rod, goes out between front valve block 22a and rear valve block 22b
Pore 13 is between front valve block 22a and rear valve block 22b.Accordingly, valve seat is also classified into front valve seat 12a and rear valve base 12b, valve seat
Can arrange with split with valve body 1 and can also be set to one.The outside diameter of the front valve block 22a outside diameter less than rear valve block 22b,
During assembling, in order to make front valve block 22a pass from the hole of rear valve base 12b, the outside diameter of front valve block 22a no more than (is less than
Or be equal to) aperture of rear valve base 12b, both are the most equal, and concrete reason describes in detail in the following description.
As in figure 2 it is shown, front valve block 22a is provided with external seal conical surface 22a1, front valve seat 12a is provided with interior sealing cone
12a1, the cone angle of the external seal conical surface 22a1 cone angle more than interior sealing cone 12a1, the external seal conical surface 22a1 of front valve block is with front
In valve seat, the intersection of sealing cone 12a1 forms loop wire shape band, it is achieved linear sealing.
As it is shown on figure 3, same, rear valve block 22b is provided with external seal conical surface 22b1, and rear valve base 12b is provided with interior sealing and bores
Face 12b1, but except for the difference that, the cone angle of rear valve block external seal conical surface 22b1 less than the cone angle of sealing cone 12b1 in rear valve base, after
Valve block external seal conical surface 22b1 forms loop wire shape band with the intersection of sealing cone 12b1 in rear valve base, also achieves line close
Envelope.
Said structure makes the loop wire shape band of formation between front valve block 22a and front valve seat 12a and rear valve block 22b
And the size of the loop wire shape band formed between rear valve base 12b is the most close, the size of former and later two loop wire shape bands is more
Close, act on the more balance of making a concerted effort of gas pressure on spool.In this example, the greatest circle of front valve block external seal conical surface 22a1
Diameter is equal to the outside diameter of front valve block 22a, the outside diameter of the front valve block 22a aperture equal to rear valve base 12b so that front and back two
Individual loop wire shape band equal in magnitude, act on gas pressure on spool to make a concerted effort be zero, gas acts on the pressure on spool
Power reaches balance, thus realizes the spool quick response under Electromagnetic Control.
As it is shown in figure 1, moving armature 9 is fixedly connected on valve tail 23, solenoid 10 is installed on the rear portion of valve body 1, return bullet
Spring 14 clamps between the rear portion of valve body 1 and valve tail 23.
As of the present utility model another it is important that buffer gear, clash into spool after which overcoming buffer stopper bounce-back, make
Becoming the defect that spool is again turned on, concrete structure is as follows:
Buffing pad 51 is provided with end cap 52, and end cap 52 can be fixed with buffing pad 51 and be connected.Buffing pad 51 is fixed on valve body
1, it is movably installed with front buffer stopper 6 and rear buffer stopper 4, buffing pad 51 and end cap 52 in the cavity that buffing pad 51 and end cap 52 surround
The cavity surrounded communicates with the cavity of valve body 1, and the head of valve rod 21 stretches to rear buffer stopper 4.Concrete, buffing pad 51 is provided with leads
Xiang Kong, front buffer stopper 6 is slidably mounted on described pilot hole, and valve body 1 is provided with guiding cylinder, rear buffer stopper 4 be sheathed on described in lead
To cylinder, end cap 52 is provided with front striking face 522, and buffing pad 51 is provided with rear striking face 511, and front buffer stopper 6 is positioned at front shock
Between face 521 and rear striking face 511.
Front buffer spring 7 clamps between end cap 52 and front buffer stopper 6, rear buffer spring 8 clamp in front buffer stopper 6 with after
Between buffer stopper 4, the spring mountings position of front buffer stopper 6, rear buffer stopper 4 and end cap 52 is respectively arranged with counterbore.
The operation principle of above-mentioned buffer gear is as follows:
When spool 2 is closed, under the effect of return spring 14, (it is illustrated as to the left) the most forward motion, as valve block (22a
And 22b) close to valve seat (12a and 12b) time, the head of valve rod 21 first clash into after buffer stopper 4, most kinetic energy is passed to
Rear buffer stopper 4, spool 2 slowly takes a seat, and rear buffer stopper 4 (is illustrated as to the left) forward motion, and buffer stopper 6 before clashing into, by major part
Kinetic energy passes to front buffer stopper 6, and rear buffer stopper 4 is under the effect of rear buffer spring 8, and bounce-back (is illustrated as to the right) motion also backward
With the head contact of valve rod 21, at this moment front buffer stopper 6, its kinetic energy are had been communicated to due to the kinetic energy major part of rear buffer stopper 4
After being only, the storage energy of buffer spring 8, greatly reduces with the shock of valve rod 21 head；After front buffer stopper 6 is knocked, forward
(being illustrated as to the left) moves, and clashes into the front striking face 521 being arranged at end cap 52, (being illustrated as to the right) motion after resilience is backward, this
Time have returned to original position due to rear buffer stopper 4, therefore, front buffer stopper 6 can only clash into after being arranged at buffing pad 51 and hit
Hit face 511, striking face 521 before resilience is clashed into the most again ..., Impact energy all consumes on buffing pad 51, thus to valve block
(22a and 22b) plays a protective role with the sealing surface of valve seat (12a and 12b), clashes into spool, makes after overcoming buffer stopper bounce-back
Become the defect that spool is again turned on.
Claims (10)
1. a gas spray valve for the band buffer gear of Electromagnetic Drive, including:
Valve body, is provided with valve seat and valve pocket in described valve body, described valve body is provided with air inlet and venthole, described air inlet with
It is provided with inlet channel between described valve seat；
Spool and return spring, described spool includes valve rod, valve block and the valve tail that order is arranged, and described valve stem slides is installed on institute
Stating in valve pocket, described valve block is suitable with described valve seat；
Moving armature and solenoid, described moving armature is fixedly connected on described valve tail, and described solenoid is installed on described valve body
Rear portion；
Buffer gear；It is characterized in that,
Described valve block is provided with the external seal conical surface, and described valve seat is provided with interior sealing cone, and the cone angle of the described external seal conical surface is big
In or less than the cone angle of described interior sealing cone；Described buffer gear includes
Being provided with the buffing pad of end cap, described buffing pad is fixed on the sky that described valve body, described buffing pad and described end cap surround
Intracavity is movably installed with front buffer stopper and rear buffer stopper, and described end cap is provided with front striking face, and described buffing pad hits after being provided with
Hitting face, described front buffer stopper is between described front striking face and described rear striking face；Described buffing pad and described end cap surround
Cavity communicate with the cavity of described valve body, the head of described valve rod stretches to described rear buffer stopper；
Front buffer spring and rear buffer spring, described front buffer spring clamps between described end cap and described front buffer stopper, institute
State rear buffer spring to clamp between described front buffer stopper and described rear buffer stopper.
2. the gas spray valve of the band buffer gear of Electromagnetic Drive as claimed in claim 1, it is characterised in that described buffing pad
Being provided with pilot hole, described front buffer stopper is slidably mounted on described pilot hole.
3. the gas spray valve of the band buffer gear of Electromagnetic Drive as claimed in claim 1, it is characterised in that described valve body sets
Being equipped with guiding cylinder, described rear buffer stopper is sheathed on described guiding cylinder.
4. the gas spray valve of the band buffer gear of Electromagnetic Drive as claimed in claim 1, it is characterised in that described end cap with
Described buffing pad is fixing to be connected.
5. the gas spray valve of the band buffer gear of Electromagnetic Drive as claimed in claim 1, it is characterised in that buffering before described
The spring mountings position of block, described rear buffer stopper and described end cap is respectively arranged with counterbore.
6. the gas spray valve of the band buffer gear of Electromagnetic Drive as claimed in claim 1, it is characterised in that described return bullet
Spring clamps between the rear portion of described valve body and described valve tail.
7. the gas spray valve of the band buffer gear of Electromagnetic Drive as claimed in claim 1, it is characterised in that described valve seat bag
Including front valve seat and rear valve base, described valve block includes front valve block and rear valve block, the company of being provided with between described front valve block and described rear valve block
Bar, described venthole is between described front valve block and described rear valve block, and the outside diameter of described front valve block is less than described rear valve
The outside diameter of sheet, the outside diameter of described front valve block is less than or equal to the aperture of described rear valve base.
8. the gas spray valve of the band buffer gear of Electromagnetic Drive as claimed in claim 7, it is characterised in that described front valve block
The cone angle of the external seal conical surface is more than the cone angle of sealing cone in described front valve seat, the described front valve block external seal conical surface and described front valve
In seat, the intersection of sealing cone forms loop wire shape band, and the cone angle of the described rear valve block external seal conical surface is less than described rear valve base
The cone angle of interior sealing cone, the described rear valve block external seal conical surface forms loop wire shape with the intersection of sealing cone in described rear valve base
Band.
9. the gas spray valve of the band buffer gear of Electromagnetic Drive as claimed in claim 8, it is characterised in that described front valve block
The greatest circle diameter of the external seal conical surface is equal to the outside diameter of described front valve block, and the outside diameter of described front valve block is equal to after described
The aperture of valve seat.
10. the gas spray valve of the band buffer gear of Electromagnetic Drive as claimed in claim 1, it is characterised in that described valve seat
It is set to one with described valve body or split is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620687745.4U CN205745330U (en) | 2016-07-01 | 2016-07-01 | The gas spray valve of the band buffer gear of Electromagnetic Drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620687745.4U CN205745330U (en) | 2016-07-01 | 2016-07-01 | The gas spray valve of the band buffer gear of Electromagnetic Drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205745330U true CN205745330U (en) | 2016-11-30 |
Family
ID=57381075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620687745.4U Withdrawn - After Issue CN205745330U (en) | 2016-07-01 | 2016-07-01 | The gas spray valve of the band buffer gear of Electromagnetic Drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205745330U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972230A (en) * | 2016-07-01 | 2016-09-28 | 潍坊力创电子科技有限公司 | Electromagnetism-driven gas injection valve provided with buffer mechanism |
-
2016
- 2016-07-01 CN CN201620687745.4U patent/CN205745330U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105972230A (en) * | 2016-07-01 | 2016-09-28 | 潍坊力创电子科技有限公司 | Electromagnetism-driven gas injection valve provided with buffer mechanism |
| CN105972230B (en) * | 2016-07-01 | 2018-02-23 | 潍坊力创电子科技有限公司 | The gas spray valve with buffer gear of electromagnetic drive |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161130 Effective date of abandoning: 20180223 |
|
| AV01 | Patent right actively abandoned |