CN204083267U - Integrated type double valve gas spray valve - Google Patents
Integrated type double valve gas spray valve Download PDFInfo
- Publication number
- CN204083267U CN204083267U CN201420547843.9U CN201420547843U CN204083267U CN 204083267 U CN204083267 U CN 204083267U CN 201420547843 U CN201420547843 U CN 201420547843U CN 204083267 U CN204083267 U CN 204083267U
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- valve body
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- 239000007921 spray Substances 0.000 title claims abstract description 18
- 230000008878 coupling Effects 0.000 claims abstract description 8
- 238000010168 coupling process Methods 0.000 claims abstract description 8
- 238000005859 coupling reaction Methods 0.000 claims abstract description 8
- 238000010276 construction Methods 0.000 claims abstract description 4
- 230000035515 penetration Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 2
- 230000002153 concerted effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Magnetically Actuated Valves (AREA)
Abstract
The utility model relates to a kind of gas spray valve, specifically a kind of integrated type double valve gas spray valve.Comprise valve body, the spool be arranged in valve body, the front valve block coaxially arranged with spool, rear valve block and moving armature, electromagnetic coil, the front valve block hole of the front valve block of coupling and the rear valve block hole of the rear valve block of coupling is provided with in the inner chamber of described valve body, described front valve block and rear valve block are fixedly connected into the monolithic construction that can not be split by connecting rod, the diameter of described front valve block is less than the diameter of rear valve block, and the diameter of front valve block is less than the internal diameter in rear valve block hole.This gas spray valve adopts integrated double valve air intake structure, and jet stream of gas amount is large, fast response time, and structure simply, is easily assembled, and avoids assembling difficulty isostructuralism, manufacturability, sealing problem that combined type dual-valve structure brings.
Description
Technical field
The utility model relates to a kind of gas spray valve, specifically a kind of integrated type double valve gas spray valve.
Background technique
Emitted dose and response time are two important parameters weighing gas spray valve quality, because the density of gas is lower, the latus rectum size of the valve needed when injection flow is larger is also larger, but larger aero operating pressure acts on valve, inhibition can be produced, the restriction response time to valve opening and closing campaign.Therefore, adopt the high speed electromagnetic gas spray valve of Electromagnetic Drive generally only can adapt to less traffic requirement and lower gas pressure condition, the high-speed quantitative injection under requiring compared with large discharge and elevated pressures cannot be met.
The EGR valve that Delphi company of the U.S. produces, adopt the air inlet of balanced type double valve, two valve block diameters are identical, and it is zero that atmospheric pressure acts on making a concerted effort on spool, and this structure can meet the requirement of Great flow rate and high speed solenoid valve.But because the manufacturability of processing and assembling limits, can only adopt the production technology of split manufacture, combination installation, two valve blocks manufacture respectively, one is assembled into by the process connection such as welding or press-fit again in assembly process, its complex structure, manufacturability is poor, and sealing is comparatively difficult to ensure card.
Summary of the invention
The utility model is solve the problem to provide that a kind of flow is large, fast response time, structure simple, good airproof performance, be convenient to the integrated type double valve gas spray valve that assembles and assembly method thereof.
The technological scheme that the utility model adopts for technical solution problem is:
Integrated type double valve gas spray valve described in the utility model comprises valve body, be arranged on the spool in valve body, valve block before coaxially arranging with spool, rear valve block and moving armature, electromagnetic coil, connecting rod is provided with between described front valve block and rear valve block, described spool is fixedly connected on the front end of front valve block, described moving armature is arranged on the rear end of rear valve block, described electromagnetic coil is fixedly connected on the rear end of valve body, the front valve block hole of the front valve block of coupling and the rear valve block hole of the rear valve block of coupling is provided with in the inner chamber of described valve body, described front valve block and rear valve block are fixedly connected into the monolithic construction that can not be split by connecting rod, the diameter of described front valve block is less than the diameter of rear valve block, and the diameter of front valve block is less than the internal diameter in rear valve block hole.
Described front valve block hole and rear valve block hole are separately positioned on front valve seat and rear valve base, and described front valve seat and rear valve base are parallel to each other and are arranged in the inner chamber of valve body; The sidewall of described valve body is provided with penetration hole and air outlet hole, and described penetration hole is communicated with the forward and backward two ends of valve body, and described air outlet hole is communicated to the inner chamber of the valve body between front valve block and rear valve block; The front end of described spool is fixedly connected with spring seat, is provided with return spring between described spring seat and valve body.
The external diameter of described front valve seat is less than the external diameter of rear valve base.
Owing to have employed said structure, this integrated type double valve gas spray valve adopts integrated double valve air intake structure, jet stream of gas amount is large, fast response time, structure simply, is easily assembled, avoid assembling difficulty isostructuralism, manufacturability, sealing problem that combined type dual-valve structure brings, and make the power major part of gas pressure on spool obtain balance, achieve the high-speed response of large discharge electromagnetic injection valve, preparation process is simple, easily realizes industrialization.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the assembly structure schematic diagram of Fig. 1 embodiment.
Embodiment
As shown in Figure 1, integrated type double valve gas spray valve described in the utility model, comprise valve body 1, be arranged on the spool 2 in valve body 1, valve block 3 before arranging with spool 2 is coaxial, rear valve block 4 and moving armature 5, electromagnetic coil 6, connecting rod 10 is provided with between described front valve block 3 and rear valve block 4, described spool 2 is fixedly connected on the front end of front valve block 3, described moving armature 5 is arranged on the rear end of rear valve block 4, described electromagnetic coil 6 is fixedly connected on the rear end of valve body 1, the front valve block hole 31 of the front valve block 3 of coupling and the rear valve block hole 41 of the rear valve block 4 of coupling is provided with in the inner chamber of described valve body 1.During use, utilize the suction of electromagnetic coil 6 to drive moving armature 5 and front valve block 3 and rear valve block 4 to move axially, realize opening or the action of cut-off valve film perforation.
Described front valve block 3 and rear valve block 4 are fixedly connected into the monolithic construction that can not be split by connecting rod 10, the integral structure that overall processing can be adopted shaping when concrete production.The diameter of described front valve block 3 is less than the diameter of rear valve block 4, and the diameter of front valve block 3 is less than the internal diameter in rear valve block hole 41, so that front valve block 3 can be installed on front valve block hole 31 through rear valve block hole 41.
As an embodiment of the present utility model, front valve block hole 31 and rear valve block hole 41 can be direct processing sets up on the inwall of valve body 1, also can be as described below:
Front valve block hole 31 and rear valve block hole 41 are arranged on front valve seat 32 and rear valve base 42, and the external diameter of front valve seat 32 is less than the external diameter of rear valve base 42.Described front valve seat 32 and rear valve base 42 be parallel to each other be arranged on valve body 1 inner chamber in.
In addition, the sidewall of described valve body 1 is provided with penetration hole 7 and air outlet hole 81, described penetration hole 7 is communicated with the forward and backward two ends of valve body 1, the quantity of penetration hole 7 can arrange one or more according to design parameter, the sectional shape of penetration hole 7 can be that circle also can circular arc, to improve ventilation flow rate.The axis of described air outlet hole 81 and the axes normal of valve body 1 are also communicated to the inner chamber of the valve body 1 between front valve block 3 and rear valve block 4; The gas entered by front valve block hole 31 and rear valve block hole 41 is all discharged by air outlet hole 81, realizes double valve large discharge gas and sprays.
Certainly, the front end of described spool 2 is fixedly connected with spring seat 8, is provided with return spring 9 between described spring seat 8 and valve body 1, and the front end of valve body 1 is also provided with the inlet hole 91 be communicated to before front valve block hole 31.The gas that suction port enters enters into the space in front, front valve block hole 31 on the one hand by inlet hole 91, the space at rear, rear valve block hole 41 is entered on the other hand by penetration hole 7, and respectively to front, to after-applied pressure, once the valve block of correspondence is opened, gas can be entered in middle cavity by front valve block hole 31 and rear valve block hole 41 simultaneously.
Spool 2 and front valve block 3 and rear valve block 4 push away forward by the thrust of return spring 9, offset due to front valve block 3 and the different pressure difference caused of rear valve block 4 diameter simultaneously, are closed in front valve block hole 31 and rear valve block hole 41.
Manufacture the assembly method of integrated type double valve gas spray valve as above, comprise the following steps that order is successively carried out:
Steps A) get the raw materials ready, prepare valve body 1, double valve assembly, moving armature 5 and electromagnetic coil 6 according to designing requirement processing; Described double valve assembly is the entirety with front valve block 3, rear valve block 4, spool 2 and connecting rod 10, the integrated processing technology that overall processing is shaping can be adopted, also can machine shaping adopt the processes such as welding, riveted joint to become non-removable one more respectively later.
Step B) assembling of double valve assembly, according to spool 2 in the posterior order of forward and backward valve block 4, double valve assembly is inserted from the rear end of valve body 1 inner chamber and is in place; Make front valve block 3 and rear valve block 4 respectively with front valve block hole 31 and rear valve block hole 41 good fit.
Step C) assembling of moving armature, moving armature 5 is installed to the rear end of rear valve block 4.
Step D) assembling of electromagnetic coil, electromagnetic coil 6 is installed to the rear end of valve body 1.
When valve block hole is arranged on independently on valve seat time, in steps A) and step B) between be provided with valve seat installation step, first front valve seat 32 is sent into from the rear end of valve body 1 and is fixed on design attitude by this valve seat installation step, and then is sent into from the rear end of valve body 1 by rear valve base 42 and be fixed on design attitude.
As shown in Figure 1 and Figure 2, for making structure more reasonable, can also in the front end of valve body 1, the arranged outside valve casing 19 of return spring 9, the front end of valve casing 19 is provided with gas access 20, and the rear end of valve casing 19 is fixedly set on valve body 1 by seal ring.In assembly technology, valve casing 19 can be installed at first, also can finally install.
Claims (3)
1. integrated type double valve gas spray valve, comprise valve body (1), be arranged on the spool (2) in valve body (1), the front valve block (3) that arrange coaxial with spool (2), rear valve block (4) and moving armature (5), electromagnetic coil (6), connecting rod is provided with between described front valve block (3) and rear valve block (4), described spool (2) is fixedly connected on the front end of front valve block (3), described moving armature (5) is arranged on the rear end of rear valve block (4), described electromagnetic coil (6) is fixedly connected on the rear end of valve body (1), the front valve block hole (31) of the front valve block of coupling (3) and the rear valve block hole (41) of the rear valve block (4) of coupling is provided with in the inner chamber of described valve body (1), it is characterized in that: described front valve block (3) and rear valve block (4) are fixedly connected into by connecting rod (10) monolithic construction that can not be split, the diameter of described front valve block (3) is less than the diameter of rear valve block (4), and the diameter of front valve block (3) is less than the internal diameter of rear valve block hole (41).
2. integrated type double valve gas spray valve according to claim 1, it is characterized in that: described front valve block hole (31) and rear valve block hole (41) are separately positioned on front valve seat (32) and rear valve base (42), described front valve seat (32) and rear valve base (42) be parallel to each other be arranged on valve body (1) inner chamber in; The sidewall of described valve body (1) is provided with penetration hole (7) and air outlet hole (81), described penetration hole (7) is communicated with the forward and backward two ends of valve body (1), and described air outlet hole (81) is communicated to the inner chamber of the valve body (1) between front valve block (3) and rear valve block (4); The front end of described spool (2) is fixedly connected with spring seat (8), is provided with return spring (9) between described spring seat (8) and valve body (1).
3. integrated type double valve gas spray valve according to claim 2, is characterized in that: the external diameter of described front valve seat (32) is less than the external diameter of rear valve base (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420547843.9U CN204083267U (en) | 2014-09-23 | 2014-09-23 | Integrated type double valve gas spray valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420547843.9U CN204083267U (en) | 2014-09-23 | 2014-09-23 | Integrated type double valve gas spray valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204083267U true CN204083267U (en) | 2015-01-07 |
Family
ID=52175989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420547843.9U Withdrawn - After Issue CN204083267U (en) | 2014-09-23 | 2014-09-23 | Integrated type double valve gas spray valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204083267U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104197027A (en) * | 2014-09-23 | 2014-12-10 | 潍坊力创电子科技有限公司 | Integral double-valve gas injection valve and assembly method thereof |
-
2014
- 2014-09-23 CN CN201420547843.9U patent/CN204083267U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104197027A (en) * | 2014-09-23 | 2014-12-10 | 潍坊力创电子科技有限公司 | Integral double-valve gas injection valve and assembly method thereof |
| WO2016045216A1 (en) * | 2014-09-23 | 2016-03-31 | 王立峰 | Integral dual-valve gas jet valve and assembly method thereof |
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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: 20150107 Effective date of abandoning: 20150527 |
|
| RGAV | Abandon patent right to avoid regrant |