CN204004708U - The changeable direct action solenoid valve of a kind of high low pressure - Google Patents
The changeable direct action solenoid valve of a kind of high low pressure Download PDFInfo
- Publication number
- CN204004708U CN204004708U CN201420429151.4U CN201420429151U CN204004708U CN 204004708 U CN204004708 U CN 204004708U CN 201420429151 U CN201420429151 U CN 201420429151U CN 204004708 U CN204004708 U CN 204004708U
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- solenoid valve
- direct action
- iron core
- valve
- valve body
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Abstract
The utility model discloses the changeable direct action solenoid valve of a kind of high low pressure, comprise two two-position three way direct action solenoid valves, two described two-position three way direct action solenoid valves comprise respectively valve body, electromagnetic coil and iron core assembly, described iron core assembly is installed in corresponding described valve body, described valve body is provided with inlet hole, working hole and exhaust port, two described two-position three way direct action solenoid valves are normally closed solenoid valve, and the valve body of two described two-position three way direct action solenoid valves is fixedly connected with, exhaust port on the valve body of the working hole on the valve body of one of them two-position three way direct action solenoid valve and another one two-position three way direct action solenoid valve is communicated with.The source of the gas that the mode that the utility model adopts two two-position three way direct action solenoid valves to connect realizes two inlet holes switches and opens and closes control function, and it is simple in structure, and it is convenient to control.
Description
Technical field
The utility model relates to Solenoid Valve Technology field, especially relates to the changeable direct action solenoid valve of a kind of high low pressure.
Background technique
Solenoid valve is the basic executive component in pneumatic control field, common solenoid valve is as two-position three way magnetic valve, comprise valve body, electromagnetic coil and iron core assembly, valve body is provided with inlet hole, working hole and exhaust port, and electromagnetic coil obtains electric, and iron core assembly moves inlet hole and working hole conducting, realize open function, electromagnetic coil dead electricity, iron core assembly resets inlet hole and working hole blocking-up, realizes closing function.Solenoid valve can be divided into open in usual and normally closed solenoid valve, and when normally open solenoid valve is electromagnetic coil no electric circuit, inlet hole and working hole are on state, and when normally closed solenoid valve is electromagnetic coil no electric circuit, inlet hole and working hole are in blocking state.Solenoid valve also can be divided into direct-acting type, step direct-acting type and leading type principle, and wherein the principle of direct action solenoid valve is: when energising, electromagnetic coil produces electromagnetic force mentions closure member from valve seat, valve open; When power-off, electromagnetic force disappears, and spring handle closure member is pressed on valve seat, valve closing.
In some gas control application, need to realize the switching function of different pressures or different sources of the gas, for example realize the switching of high-pressure air source and low-pressure gas source at the inlet hole of solenoid valve, and then realize respectively keying control for this different pressures or different source of the gas, normally adopt switching valve to be combined to realize its function with solenoid valve, but aforesaid way complex structure is controlled inconvenient.
Summary of the invention
The deficiency existing for above-mentioned prior art, the purpose of this utility model is to provide the changeable direct action solenoid valve of a kind of high low pressure, the source of the gas that the mode that adopts two two-position three way direct action solenoid valves to connect realizes two inlet holes switches and opens and closes control function, and it is simple in structure, and it is convenient to control.
To achieve these goals, the technological scheme that the utility model adopts is:
The changeable direct action solenoid valve of a kind of high low pressure, comprise two two-position three way direct action solenoid valves, two described two-position three way direct action solenoid valves comprise respectively valve body, electromagnetic coil and iron core assembly, described iron core assembly is installed in corresponding described valve body, described valve body is provided with inlet hole, working hole and exhaust port, two described two-position three way direct action solenoid valves are normally closed solenoid valve, and the valve body of two described two-position three way direct action solenoid valves is fixedly connected with, exhaust port on the valve body of the working hole on the valve body of one of them two-position three way direct action solenoid valve and another one two-position three way direct action solenoid valve is communicated with.
Wherein, described valve body comprises valve seat and valve gap, described iron core assembly comprises static iron core, moving iron core and Returnning spring, described static iron core is fixed in described valve seat, the front portion of static iron core is provided with holding cavity, described moving iron core is movably arranged in described holding cavity, the two ends of moving iron core are provided with corresponding with described inlet hole and described exhaust port respectively plug, the two ends of described Returnning spring offset with described static iron core and described valve gap respectively, described inlet hole and described working hole are located on described valve gap, described exhaust port is located at the rear portion of described static iron core, described inlet hole, described working hole and described exhaust port are all communicated with described holding cavity.
Further, the inside of described moving iron core is provided with preloading spring, and the two ends of described preloading spring offset with the described plug at described moving iron core two ends respectively.
Further, the described valve body of two described two-position three way direct action solenoid valves is fixedly connected with by screw, and the valve seat of the described valve body of the valve gap of the described valve body of one of them two-position three way direct action solenoid valve and another one two-position three way direct action solenoid valve connects.
Adopt after technique scheme, the advantage that compared to the prior art the utility model had is:
The source of the gas that the mode that the utility model adopts two two-position three way direct action solenoid valves to connect realizes two inlet holes switches and keying control function, particularly, two two-position three way direct action solenoid valves are denoted as respectively solenoid valve A and solenoid valve B, the working hole of solenoid valve A is communicated with the exhaust port of solenoid valve B, and the inlet hole on the valve body of solenoid valve A and solenoid valve B is connected with high-pressure air source and low-pressure gas source respectively.When solenoid valve A and solenoid valve B are when power-off, solenoid valve A and solenoid valve B are in closed condition, the inlet hole and the working hole that are solenoid valve A and solenoid valve B are all blocked, now the working hole of solenoid valve B successively after the working hole of the exhaust port of solenoid valve B, solenoid valve A with the exhaust port conducting of solenoid valve A, realize degassing function; When solenoid valve A obtains electric, when solenoid valve B power-off, solenoid valve A opens, and solenoid valve B closes, make source of the gas that the inlet hole of solenoid valve A connects successively after the exhaust port of the working hole of solenoid valve A, solenoid valve B from the working hole output of solenoid valve B, realize and control function by high-pressure air source; When solenoid valve A power-off, solenoid valve B obtains when electric, and solenoid valve A closes, and solenoid valve B opens, and makes the working hole output from solenoid valve B of source of the gas that the inlet hole of solenoid valve B connects, is realized and is controlled function by low-pressure gas source.Known by above-mentioned working principle, only need control solenoid valve A and solenoid valve B to select an energising, just can realize two different sources of the gas switchings and open and close and control function, it is simple in structure, controls conveniently, and stable and reliable operation.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated:
Fig. 1 is the structural representation of solenoid valve A described in the utility model.
Fig. 2 is the structural representation of solenoid valve B described in the utility model.
Fig. 3 is assembly structure schematic diagram of the present utility model.
In figure, 1: electromagnetic coil; 2: valve seat; 3: screw; 4: static iron core; 5: exhaust port; 6: iron core assembly; 7: moving iron core; 8: preloading spring; 9: plug; 10: Returnning spring; 11: working hole; 12: valve gap; 13: inlet hole.
Embodiment
The following stated is only preferred embodiment of the present utility model, does not therefore limit protection domain of the present utility model.
Embodiment, is shown in shown in Fig. 1 to Fig. 3:
The changeable direct action solenoid valve of a kind of high low pressure, comprises the two-position three way direct action solenoid valve of two normal close types, and two two-position three way direct action solenoid valves are denoted as respectively solenoid valve A and solenoid valve B.
The structure of solenoid valve A as shown in Figure 1, comprise valve body, electromagnetic coil 1 and iron core assembly 6, iron core assembly 6 is installed in corresponding valve body, electromagnetic coil 1 is located on valve body, and valve body comprises valve seat 2 and valve gap 12, and iron core assembly 6 comprises static iron core 4, moving iron core 7 and Returnning spring 10, static iron core 4 is fixed in the through hole of valve seat 2 inside, the front portion of static iron core 4 is provided with holding cavity, and moving iron core 7 is movably arranged in holding cavity, and electromagnetic coil 1 obtains electric rear driving iron core 7 transverse shifting in this holding cavity.Valve body is provided with inlet hole 13, working hole 11 and exhaust port 5, and inlet hole 13 and working hole 11 are located on valve gap 12, and exhaust port 5 is located at the rear portion of static iron core 4, and inlet hole 13, working hole 11 and exhaust port 5 are all communicated with holding cavity.The two ends of moving iron core 7 are provided with corresponding with inlet hole 13 and exhaust port 5 respectively plug 9, and the two ends of Returnning spring 10 offset with static iron core 4 and valve gap 12 respectively.
In the time of battery coil power-off, plug 9 and the inlet hole 13 of moving iron core 7 its right-hand member under the effect of Returnning spring 10 offset, and solenoid valve A is in closed condition.When battery coil obtains when electric, moving iron core 7 is received the magnetic actuation of electromagnetic coil 1, and the elastic force that overcomes Returnning spring 10 is moved to the left in holding cavity, and the plug 9 of the left end of moving iron core 7 is offseted with exhaust port 5, and solenoid valve A is in opening state.
The inside of moving iron core 7 is provided with preloading spring 8, and the two ends of preloading spring 8 offset with the plug 9 at moving iron core 7 two ends respectively, can make the sealing effect of plug 9 shutoff at iron core 7 two ends better.
The structure of solenoid valve B as shown in Figure 2, comprise valve body, electromagnetic coil 1 and iron core assembly 6, iron core assembly 6 is installed in corresponding valve body, electromagnetic coil 1 is located on valve body, and valve body comprises valve seat 2 and valve gap 12, and iron core assembly 6 comprises static iron core 4, moving iron core 7 and Returnning spring 10, static iron core 4 is fixed in the through hole of valve seat 2 inside, the front portion of static iron core 4 is provided with holding cavity, and moving iron core 7 is movably arranged in holding cavity, and electromagnetic coil 1 obtains electric rear driving iron core 7 transverse shifting in this holding cavity.Valve body is provided with inlet hole 13, working hole 11 and exhaust port 5, and inlet hole 13 and working hole 11 are located on valve gap 12, and exhaust port 5 is located at the rear portion of static iron core 4, and inlet hole 13, working hole 11 and exhaust port 5 are all communicated with holding cavity.The two ends of moving iron core 7 are provided with corresponding with inlet hole 13 and exhaust port 5 respectively plug 9, and the two ends of Returnning spring 10 offset with static iron core 4 and valve gap 12 respectively.
Solenoid valve B is that from the difference of solenoid valve A valve gap 12 structures of valve body are different, the working hole 11 of solenoid valve A is communicated with the exhaust port 5 of solenoid valve B, because the working hole 11 of solenoid valve A does not work to control function, and be internal communication effect, thereby the exhaust port 5 of solenoid valve A is the inclined hole of the valve gap 12 of lateral direction penetrating solenoid valve A.The real work hole 11 of the changeable direct action solenoid valve of this high low pressure is the working hole 11 of being located on the valve gap 12 of solenoid valve.All the other structures and the working principle of solenoid valve B are identical with solenoid valve A, repeat no more here.It should be noted that, solenoid valve A and solenoid valve B at utmost sharing die and component process and assemble, to reduce costs.
As shown in Figure 3, the valve body of solenoid valve A and solenoid valve B is fixedly connected with by screw 3 assembly structure of solenoid valve A and solenoid valve B, and wherein the valve gap 12 of the valve body of solenoid valve A connects with the valve seat 2 of the valve body of solenoid valve B.Static iron core 4 parts of solenoid valve B stretch out in outside the valve seat 2 of solenoid valve B, the valve gap 12 of solenoid valve A is provided with the locating slot matching with the static iron core 4 of solenoid valve B, in the time that solenoid valve A is connected with solenoid valve B, the static iron core 4 of solenoid valve B inserts in the locating slot of valve gap 12 of solenoid valve A, wherein on the static iron core 4 of solenoid valve B, be also provided with seal ring, for being tightly connected between solenoid valve A and solenoid valve B.
Inlet hole 13 on the valve body of solenoid valve A and solenoid valve B is connected with high-pressure air source and low-pressure gas source respectively.When solenoid valve A and solenoid valve B are when power-off, solenoid valve A and solenoid valve B are in closed condition, the inlet hole 13 that is solenoid valve A and solenoid valve B is all blocked with working hole 11, now the working hole 11 of solenoid valve B successively after the working hole 11 of the exhaust port 5 of solenoid valve B, solenoid valve A with exhaust port 5 conductings of solenoid valve A, realize degassing function; When solenoid valve A obtains electric, when solenoid valve B power-off, solenoid valve A opens, and solenoid valve B closes, source of the gas that the inlet hole 13 of solenoid valve A connects is exported from the working hole 11 of solenoid valve B successively after the exhaust port 5 of the working hole 11 of solenoid valve A, solenoid valve B, realized and control function by high-pressure air source; When solenoid valve A power-off, solenoid valve B obtains when electric, and solenoid valve A closes, and solenoid valve B opens, and the source of the gas that the inlet hole 13 of solenoid valve B connects is exported from the working hole 11 of solenoid valve B, is realized and is controlled function by low-pressure gas source.
Known by above-mentioned working principle, only need control solenoid valve A and solenoid valve B to select an energising, just can realize two different sources of the gas switchings and open and close and control function, it is simple in structure, controls conveniently, and stable and reliable operation.
The above is only preferred embodiments of the present utility model, and the equivalence of doing according to structure, feature and principle described in the utility model patent claim therefore all changes or modifies, and is included in the utility model patent claim.
Claims (4)
1. the changeable direct action solenoid valve of high low pressure, comprise two two-position three way direct action solenoid valves, two described two-position three way direct action solenoid valves comprise respectively valve body, electromagnetic coil (1) and iron core assembly (6), described iron core assembly (6) is installed in corresponding described valve body, described valve body is provided with inlet hole (13), working hole (11) and exhaust port (5), it is characterized in that: two described two-position three way direct action solenoid valves are normally closed solenoid valve, and the valve body of two described two-position three way direct action solenoid valves is fixedly connected with, working hole (11) on the valve body of one of them two-position three way direct action solenoid valve is communicated with the exhaust port (5) on the valve body of another one two-position three way direct action solenoid valve.
2. the changeable direct action solenoid valve of high low pressure according to claim 1, it is characterized in that: described valve body comprises valve seat (2) and valve gap (12), described iron core assembly (6) comprises static iron core (4), moving iron core (7) and Returnning spring (10), described static iron core (4) is fixed in described valve seat (2), the front portion of static iron core (4) is provided with holding cavity, described moving iron core (7) is movably arranged in described holding cavity, the two ends of moving iron core (7) are provided with corresponding with described inlet hole (13) and described exhaust port (5) respectively plug (9), the two ends of described Returnning spring (10) offset with described static iron core (4) and described valve gap (12) respectively, described inlet hole (13) and described working hole (11) are located on described valve gap (12), described exhaust port (5) is located at the rear portion of described static iron core (4), described inlet hole (13), described working hole (11) and described exhaust port (5) are all communicated with described holding cavity.
3. the changeable direct action solenoid valve of high low pressure according to claim 2, it is characterized in that: the inside of described moving iron core (7) is provided with preloading spring (8), the two ends of described preloading spring (8) offset with the described plug (9) at described moving iron core (7) two ends respectively.
4. according to the changeable direct action solenoid valve of the high low pressure described in claim 2 or 3, it is characterized in that: the described valve body of two described two-position three way direct action solenoid valves is fixedly connected with by screw (3), the valve gap (12) of the described valve body of one of them two-position three way direct action solenoid valve connects with the valve seat (2) of the described valve body of another one two-position three way direct action solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420429151.4U CN204004708U (en) | 2014-07-31 | 2014-07-31 | The changeable direct action solenoid valve of a kind of high low pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420429151.4U CN204004708U (en) | 2014-07-31 | 2014-07-31 | The changeable direct action solenoid valve of a kind of high low pressure |
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| Publication Number | Publication Date |
|---|---|
| CN204004708U true CN204004708U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420429151.4U Expired - Fee Related CN204004708U (en) | 2014-07-31 | 2014-07-31 | The changeable direct action solenoid valve of a kind of high low pressure |
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| Country | Link |
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| CN (1) | CN204004708U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812973A (en) * | 2017-03-21 | 2017-06-09 | 上海巨良电磁阀制造有限公司 | Direct Action Type double fluid is to three-way magnetic valve |
-
2014
- 2014-07-31 CN CN201420429151.4U patent/CN204004708U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812973A (en) * | 2017-03-21 | 2017-06-09 | 上海巨良电磁阀制造有限公司 | Direct Action Type double fluid is to three-way magnetic valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20141210 Termination date: 20170731 |