CN201896988U - Electromagnetic valve - Google Patents
Electromagnetic valve Download PDFInfo
- Publication number
- CN201896988U CN201896988U CN2010205690424U CN201020569042U CN201896988U CN 201896988 U CN201896988 U CN 201896988U CN 2010205690424 U CN2010205690424 U CN 2010205690424U CN 201020569042 U CN201020569042 U CN 201020569042U CN 201896988 U CN201896988 U CN 201896988U
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- China
- Prior art keywords
- tube seat
- valve body
- plunger tube
- valve
- solenoid valve
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Abstract
The utility model discloses an electromagnetic valve, which comprises an electromagnetic coil, a plunger tube seat, a fixed iron core, a movable iron core, a nut and a valve body. The plunger tube seat is arranged in the electromagnetic coil, the fixed iron core and the movable iron core are disposed in the plunger tube seat, the nut is connected with the fixed iron core, a barrier press sleeve is disposed between the electromagnetic coil and the plunger tube seat, one end of the barrier press sleeve is abutted to the electromagnetic coil, and the other end of the barrier press sleeve is connected to the valve body. Compared with the prior art, the electromagnetic valve has the advantages that internal sealing of the electromagnetic valve is unaffected by threads and a sealing ring, sealing performance is stable, iron scraps possibly generated during rotation of the threads cannot enter the electromagnetic valve, functional dead halt of the electromagnetic valve is avoided, and the electromagnetic valve is simple in structure.
Description
Technical field
The utility model belongs to the technical field of valve, relates in particular to a kind of solenoid valve.
Background technique
As shown in Figure 1, existing solenoid valve comprises spool, is encapsulated in the outer electromagnetic coil 1 " and the nut 4 that is connected in spool one end " of spool, electromagnetic coil 1 " is provided with the contact pin 101 that can connect power supply ", also is provided with first through hole (not marking among the figure) that runs through its upper and lower end face.Spool comprises valve body 7 ", plunger tube seat 5 ", secured core 2 " and movable core 3 ", and secured core 2 " and movable core 3 " is placed in first through hole successively, and secured core 2 " lower end be embedded with a divided magnetic ring 11 "; On the outer surface of plunger tube seat 5 " end is set in secured core 2 ", and between secured core 2 " and plunger tube seat 5 ", be provided with one first seal ring 14 lower end surface of "; plunger tube seat 5 " the other end expose electromagnetic coil 1 " also is stuck in electromagnetic coil 1 ", in movable core 3 " then is placed on plunger tube seat 5 ", " there are the gap in itself and plunger tube seat 5; valve body 7 " by being threaded in plunger tube seat 5 " stretches out electromagnetic coil a 1 " end of lower end surface, and between valve body 7 " and plunger tube seat 5 ", also be provided with second seal ring 10 "; Above-mentioned movable core 3 " be hollow body; the inside of its upper and lower end is respectively arranged with first Sealing 12 " and second Sealing 13 "; and between first Sealing 12 " and second Sealing 13 ", be provided with first Returnning spring 8 ", movable core 3 " outer surface also be provided with one second Returnning spring 9 ", this second Returnning spring 9 " end presses on movable core 3 ", the other end then presses on plunger tube seat 5 ".
Solenoid valve in the prior art, its inner sealing is subjected to second seal ring 10 " and valve body 7 " and plunger tube seat 5 " between the very big influence that is threaded; so the sealing instability; and adopt between the valve body 7 " with plunger tube seat 5 " and be threaded; like this, " in the process of turn, some chips that the threaded connection place may produce can enter the inside of solenoid valve when valve body 7, cause solenoid valve internal activity iron core 3 " block, cause solenoid valve the phenomenon of functional deadlock to occur.
The model utility content
Problem to be solved in the utility model provides a kind of solenoid valve, the sealing of this solenoid valve inside no longer is subjected to the influence of screw thread and seal ring, sealing is stable, issuable iron filings can not enter solenoid valve inside in the screw thread rotation process, avoid solenoid valve the phenomenon of functional deadlock to occur, simple in structure.
The utility model is to realize like this, a kind of solenoid valve, comprise electromagnetic coil, place the plunger tube seat of described electromagnetic coil, the secured core and the movable core that place described plunger tube seat, the nut and the valve body that are connected with described secured core, be provided with one between described electromagnetic coil and the described plunger tube seat and deaden gland, described deadening gland one end presses on described electromagnetic coil, and the other end is connected in described valve body.
Further, described deadening gland internal surface is provided with second internal thread, and described valve body is provided with second outside thread that matches with described second internal thread, and described deadening gland is threaded with described valve body.
Further, the excircle of described secured core one end is provided with first outside thread, and described nut is provided with first internal thread that matches with described first outside thread, and described nut is threaded with described secured core.
Further, described secured core excircle is provided with second annular groove, and described plunger tube seat one end is fixedly connected on described second annular groove.
Further, described movable core is provided with third through-hole, and described third through-hole inner upper end is provided with the 3rd Sealing, and described third through-hole interior lower end is provided with second Sealing, is provided with first elastic element between described first Sealing and described second Sealing.
Further, also comprise second elastic element, the excircle of described movable core lower end is provided with the 3rd annular groove, and described second elastic element is sheathed on described the 3rd annular groove, described second elastic element, one end presses on the lower end surface of described plunger tube seat, and the other end presses on described the 3rd annular groove.
Further, described valve body comprises valve body inlet, valve outlet and valve port, and described valve port is communicated with described valve body inlet and described valve outlet.
Further, the upper-end surface of described valve body is provided with the Fourth Ring groove, is provided with first seal ring that matches with described Fourth Ring groove in the groove of described Fourth Ring.
Compared with prior art, the sealing of this solenoid valve inside is not subjected to the influence of screw thread and seal ring, and sealing is stable, and issuable iron filings can not enter solenoid valve inside in the screw thread rotation process, avoids solenoid valve the phenomenon of functional deadlock to occur, and is simple in structure.
Description of drawings
Fig. 1 is the cross-sectional schematic of the solenoid valve of the prior art that provides of the utility model embodiment;
Fig. 2 is the cross-sectional schematic of a kind of solenoid valve of providing of the utility model embodiment;
Fig. 3 is the three-dimensional explosive view of a kind of solenoid valve of providing of the utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The utility model provides a kind of solenoid valve, comprise electromagnetic coil, place the plunger tube seat of described electromagnetic coil, the secured core and the movable core that place described plunger tube seat, the nut and the valve body that are connected with described secured core, be provided with one between described electromagnetic coil and the described plunger tube seat and deaden gland, described deadening gland one end presses on described electromagnetic coil, and the other end is connected in described valve body.
Compared with prior art, this solenoid valve is provided with one and deadens gland between electromagnetic coil and valve body, make the sealing of solenoid valve inside not be subjected to the influence of screw thread and seal ring, sealing is stable, and issuable iron filings can not enter solenoid valve inside in the screw thread rotation process, avoid solenoid valve the phenomenon of functional deadlock to occur, simple in structure.
Below in conjunction with specific embodiment specific implementation of the present utility model is described in detail.
As described in Fig. 2～3, solenoid valve comprises electromagnetic coil 1, be arranged in the plunger tube seat 5 in the electromagnetic coil 1 and place secured core 2 and movable core 3, the nut 4 that is connected with secured core 2, the divided magnetic ring 11 that places secured core 2 and valve body 7 in the plunger tube seat 5, and plunger tube seat 5 is set on the outer surface of secured core 2 and movable core 3.
Secured core 2 is placed on the inside of plunger tube seat 5, its outer surface is set on the internal surface of plunger tube seat 5, and secured core 2 is provided with second annular groove 203 around its excircle, and second annular groove 203 of its excircle and plunger tube seat 5 rivet together by modes such as fixing seal or welding.The upper-end surface that secured core 2 one ends expose electromagnetic coil 1, secured core 2 is a hollow tubular, its inside is provided with second through hole 201, this second through hole 201 forms solenoid valve first outlet, and the outer surface that secured core 2 exposes an end of electromagnetic coil 1 upper-end surface is provided with first outside thread 202, thereby can realize being threaded with nut 4, nut 4 be provided with first internal thread 401 that matches with this first outside thread 202; Be provided with one first annular groove 204 in the lower end surface of secured core 2, this first annular groove 204 is depressed on the lower end surface of secured core 2, and a divided magnetic ring 11 that matches with this first annular groove 204 is installed in this first annular groove 204;
In the third through-hole 301 of movable core 3, be provided with first Sealing 12, first elastic element 8 and second Sealing 13, corresponding, this first Sealing 12 is placed on the inner upper end with third through-hole 301, this second Sealing 13 is placed on the interior lower end of third through-hole 301, first elastic element 8 is placed between first Sealing 12 and second Sealing 13, the one end presses on first Sealing 12, the other end presses on second Sealing 13, thereby make win Sealing 12 and second Sealing 13 firmly be connected the two ends of third through-hole 301, the excircle of movable core 3 also is provided with one second elastic element 9, this second elastic element 9 is set in the 3rd annular groove 302 of movable core 3 lower ends
This solenoid valve also is provided with one and deadens gland 6, and this deadening gland 6 is located between electromagnetic coil 1 and the valve body 7, and the one end presses on the lower end surface of electromagnetic coil 1, and the other end then is connected with valve body 7, firmly is arranged between valve body 7 and the electromagnetic coil 1 thereby deaden gland 6; Be provided with fourth hole 601 in this deadening gland 6, this fourth hole 601 is a shoulder hole, and the shoulder hole place is provided with the 5th boss (not marking among the figure).
An end that stretches out electromagnetic coil 1 of plunger tube seat 5 and movable core 3 places in the fourth hole 601, and the 5th boss in the flange 502 of plunger tube seat 5 and the fourth hole 601 cooperates, thereby the lower end of plunger tube seat 5 firmly is fitted in the deadening gland 6, in addition, the other end of plunger tube seat 5 is connected in second annular groove 203 of secured core 2, particularly, the other end of plunger tube seat 5 is fixedly connected in second annular groove 203 of secured core 2 by riveted way, like this, plunger tube seat 5 just can firmly be determined the position in first through hole 102, seal ring need be set between plunger tube seat 5 and the secured core 2, make the sealing of solenoid valve inside not be subjected to the influence of seal ring.
In the present embodiment, valve body 7 is a three-way pipe, it is provided with an electromagnetic valve entrance 701 and an electromagnetic valve outlet 702, at valve body 7 upper end inner planes one terraced steps is arranged, terraced steps is provided with a ring shaped slot 703, the terraced steps outside is provided with second outside thread 704, in terraced steps, be provided with the convex ring-type valve port 705 that is communicated with electromagnetic valve entrance 701 and electromagnetic valve outlet 702, and the inside of valve body 7 is provided with fifth hole (not marking among the figure), this fifth hole conducting electromagnetic valve entrance, electromagnetic valve outlet and valve port.
In the present embodiment, valve body 7 and deadening gland 6 are by being threaded togather, particularly, in the fourth hole 601 that deadens gland 6, be provided with second internal thread (not marking among the figure), second outside thread 704 of this second internal thread and terraced steps interconnects, thereby realizes valve body 7 and deaden being threaded of gland 6.
Above-mentioned valve body 7 directly is not connected with plunger tube seat 5, deaden gland 6 but between plunger tube seat 5 and valve body 7, be provided with one, and adopt externally threaded Placement between valve body 7 and the deadening gland 6, make the sealing of solenoid valve inside can not be subjected to the influence that this place is threaded, and work as valve body 7 in the turn process, the iron filings that produce can not enter into solenoid valve inside, thereby can not cause the phenomenon of the functional deadlock of solenoid valve.
For the better tightness that makes between valve body 7 and the plunger tube seat 5, upper-end surface in the terraced steps of valve body 7 is provided with Fourth Ring groove 703, be placed with first seal ring 10 in this Fourth Ring groove 703, this first seal ring 10 is placed in the terraced steps of valve body 7 fully, the sealing mode is simple, make better tightness between valve body 7 and the plunger tube seat 5, and help staff's operation.
The operation of this solenoid valve is: during the coil no electric circuit, movable core 3 is owing to the compression of second elastic element 9 makes second Sealing 13 separate with sealing valve port 705 driving fits of valve body and with secured core 2, and valve body inlet 701 and valve outlet 702 and second through hole, 201 threes are not communicated with.And the valve outlet 702 and second through hole 201 space by 3 of plunger tube seat 5 and movable cores is communicated with when electromagnetic coil 1 is switched on through second through hole 201 in the secured core, secured core 2 moves up because of adhesive makes movable core 3 with movable core 3, by moving second through hole 201 that makes first Sealing 12 and secured core 2 on the movable core 3, move further compression second elastic element 9 on the while movable core 3, thereby open lower end second Sealing 13 of movable core and the convex ring-type valve port 705 of valve body.This moment, valve body inlet 701 and valve outlet 702 were communicated with, and second through hole 201 is closed.When deenergization, movable core 3 makes second Sealing 13 separate with valve port 705 driving fits of valve body and with secured core 2 under the restoring force effect of second elastic element 9, thereby repeats above action.
Compared with prior art, this solenoid valve is provided with one and deadens gland 6 between electromagnetic coil 1 and valve body 7, it deadens, and the employing outside thread is connected between gland 6 and the valve body 7, make the sealing of solenoid valve inside not be subjected to the influence of screw thread and seal ring like this, sealing is stable, and issuable iron filings can not enter solenoid valve inside in the screw thread rotation process, avoid solenoid valve the phenomenon of functional deadlock to occur; This electromagnetic valve structure is simple, and sealing means is also simple, is convenient to staff's processing and operation; One end of plunger tube seat 5, makes the better tightness of solenoid valve inside not to be subjected to the influence of seal ring by riveted fixing in second annular groove 203 like this.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (8)
1. solenoid valve, comprise electromagnetic coil, place the plunger tube seat of described electromagnetic coil, the secured core and the movable core that place described plunger tube seat, the nut and the valve body that are connected with described secured core, it is characterized in that: be provided with one between described electromagnetic coil and the described plunger tube seat and deaden gland, described deadening gland one end presses on described electromagnetic coil, and the other end is connected in described valve body.
2. a kind of solenoid valve as claimed in claim 1 is characterized in that: described deadening gland internal surface is provided with second internal thread, and described valve body is provided with second outside thread that matches with described second internal thread, and described deadening gland is threaded with described valve body.
3. a kind of solenoid valve as claimed in claim 1 or 2, it is characterized in that: the excircle of described secured core one end is provided with first outside thread, described nut is provided with first internal thread that matches with described first outside thread, and described nut is threaded with described secured core.
4. a kind of solenoid valve as claimed in claim 3 is characterized in that: described secured core excircle is provided with second annular groove, and described plunger tube seat one end is fixedly connected on described second annular groove.
5. a kind of solenoid valve as claimed in claim 1 or 2, it is characterized in that: described movable core is provided with third through-hole, described third through-hole inner upper end is provided with the 3rd Sealing, described third through-hole interior lower end is provided with second Sealing, is provided with first elastic element between described first Sealing and described second Sealing.
6. a kind of solenoid valve as claimed in claim 3, it is characterized in that: also comprise second elastic element, the excircle of described movable core lower end is provided with the 3rd annular groove, described second elastic element is sheathed on described the 3rd annular groove, described second elastic element, one end presses on the lower end surface of described plunger tube seat, and the other end presses on described the 3rd annular groove.
7. a kind of solenoid valve as claimed in claim 1 is characterized in that: described valve body comprises valve body inlet, valve outlet and valve port, and described valve port is communicated with described valve body inlet and described valve outlet.
8. a kind of solenoid valve as claimed in claim 7 is characterized in that: the upper-end surface of described valve body is provided with the Fourth Ring groove, is provided with first sealed picture that matches with described Fourth Ring groove in the groove of described Fourth Ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205690424U CN201896988U (en) | 2010-10-20 | 2010-10-20 | Electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205690424U CN201896988U (en) | 2010-10-20 | 2010-10-20 | Electromagnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201896988U true CN201896988U (en) | 2011-07-13 |
Family
ID=44254895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205690424U Expired - Fee Related CN201896988U (en) | 2010-10-20 | 2010-10-20 | Electromagnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201896988U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775880A (en) * | 2015-03-31 | 2015-07-15 | 凯龙高科技股份有限公司 | External filter screen device of coolant liquid pipeline for SCR (Selective Catalytic Reduction) system |
| CN107965600A (en) * | 2016-10-20 | 2018-04-27 | 北京精密机电控制设备研究所 | A kind of low interior leakage solenoid directional control valve of microlight-type |
| CN109559937A (en) * | 2018-12-27 | 2019-04-02 | 浙江新特立汽车电器有限公司 | A kind of starter relay |
-
2010
- 2010-10-20 CN CN2010205690424U patent/CN201896988U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104775880A (en) * | 2015-03-31 | 2015-07-15 | 凯龙高科技股份有限公司 | External filter screen device of coolant liquid pipeline for SCR (Selective Catalytic Reduction) system |
| CN104775880B (en) * | 2015-03-31 | 2018-08-03 | 凯龙高科技股份有限公司 | The external filter net device of coolant liquid pipeline for SCR system |
| CN107965600A (en) * | 2016-10-20 | 2018-04-27 | 北京精密机电控制设备研究所 | A kind of low interior leakage solenoid directional control valve of microlight-type |
| CN109559937A (en) * | 2018-12-27 | 2019-04-02 | 浙江新特立汽车电器有限公司 | A kind of starter relay |
| CN109559937B (en) * | 2018-12-27 | 2024-02-13 | 浙江新特立汽车电器有限公司 | Electromagnetic switch of starter |
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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 |
Granted publication date: 20110713 Termination date: 20141020 |
|
| EXPY | Termination of patent right or utility model |