CN202056390U - Locating type magnetic valve - Google Patents
Locating type magnetic valve Download PDFInfo
- Publication number
- CN202056390U CN202056390U CN2011202989532U CN201120298953U CN202056390U CN 202056390 U CN202056390 U CN 202056390U CN 2011202989532 U CN2011202989532 U CN 2011202989532U CN 201120298953 U CN201120298953 U CN 201120298953U CN 202056390 U CN202056390 U CN 202056390U
- Authority
- CN
- China
- Prior art keywords
- steel ball
- washer
- ball seat
- spool
- coil
- 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.)
- Expired - Fee Related
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- Magnetically Actuated Valves (AREA)
Abstract
The utility model discloses a locating type magnetic valve, which comprises a body, a valve core, a steel ball seat, a steel ball, a clamp spring, a first washer, a second washer, a locating spring, a first O-shaped ring, an electric solenoid, a coil, a second O-shaped ring and a plastic nut. The valve core is arranged in the magnetic valve body, the steel ball seat, the first washer, the second washer and the locating spring are sleeved on the valve core, and the steel ball is inlaid on the steel ball seat. The clamp spring is sleeved on the steel ball seat, the first O-shaped ring is arranged between the body and the electric solenoid, and the electric solenoid is locked tightly on the body. The coil is sleeved on the electric solenoid and the second O-shaped ring is arranged between the plastic nut and the coil. The locating type magnetic valve improves self-locking stability of the valve core.
Description
Technical field
The utility model relates to a kind of solenoid valve, particularly a kind of location type solenoid valve.
Background technique
In pressurized oil system, when problems such as sudden power, electromagnet moment functional fault take place, tend to cause valve core of the electromagnetic valve to reset and do not work, thereby oil-way system is got muddled at present, oil cylinder is not worked, and has potential safety hazard easily.In order to prevent the generation of above situation, in the not high system of switching frequency, often need to use the location type solenoid valve, and existing location type solenoid valve structurally all uses snap ring.Snap ring is installed in the spool two ends, the spool processed complex; Snap ring line footpath (line directly is 0.8mm) is less than normal, and the self-alignment position is not accurate enough; In use for some time, snap ring elasticity easily lost efficacy, so its auto-lock function is not strong.
The model utility content
Technical problem to be solved in the utility model provides a kind of location type solenoid valve, and it improves the self-locking stability of spool.
For solveing the technical problem, the utility model provides a kind of location type solenoid valve, it is characterized in that, it comprises body, spool, the steel ball seat, steel ball, jump ring, first washer, second washer, retaining spring, the one O type circle, electric screwed pipe, coil, the 2nd O type circle, plastic cap nut, spool is located in the body, the steel ball seat, first washer, second washer, retaining spring is enclosed within on the spool, steel ball is embedded on the steel ball seat, jump ring is enclosed within on the steel ball seat, the one O type circle is located between body and the electric screwed pipe, electric screwed pipe is locked on the body, and coil is enclosed within on the electric screwed pipe, and the 2nd O type circle is located between plastic cap nut and the coil.
Preferably, the diameter of described steel ball is 3.5mm.
Preferably, described steel ball seat is a cylindrical rod workpiece that three steel ball holes are arranged.
Positive progressive effect of the present utility model is: the utility model utilizes the self-centering action centering position of steel ball sphere, improves the self-locking stability of spool.
Description of drawings
Fig. 1 is the utility model one embodiment's a structural representation.
Embodiment
Lift a preferred embodiment below, and come the clearer the utility model that intactly illustrates in conjunction with the accompanying drawings.
As shown in Figure 1, the utility model location type solenoid valve comprises body 1, spool 2, steel ball seat 3, steel ball 4, jump ring 5, first washer 6, second washer 7, retaining spring 8, the one O type circle 9, electric screwed pipe 10, coil 11, the 2nd O type circle 12, plastic cap nut 13, body 1 is the designs of five slot type symplex structures, spool 2 is located in the body 1, steel ball seat 3, first washer 6, second washer 7, retaining spring 8 is enclosed within on the spool, steel ball 4 is embedded on the steel ball seat 3, jump ring 5 is enclosed within on the steel ball seat 3, the one O type circle 9 is located between body 1 and the electric screwed pipe 10, and electric screwed pipe 10 is locked on the body 1; Coil 11 is enclosed within on the electric screwed pipe 10, and fastening by plastic cap nut; The 2nd O type circle 12 is located between plastic cap nut 13 and the coil 11.
Wherein, body is a cuboid cast iron workpiece that runner design is arranged, and it has four runners, i.e. first flow A, the second runner B, the 3rd runner P, the 4th runner T, and the 3rd runner P is the pressure oil inlet, the 4th runner T connects fuel tank.Spool is an elongated cylinder that adopts special high-quality import steel (as the SCM415 type) processing, spool is installed in the matching hole of body, spool can be free to slide in body, at the diverse location of spool, can cooperate body to realize different oil circuit on-off functions by design to the spool different structure.The steel ball seat is a cylindrical rod workpiece that three steel ball holes are arranged, and is used to inlay steel ball.Steel ball be through special thermal treatment and diameter be the steel ball of 3.5mm.Jump ring is a kind of panel beating bending part, is enclosed within above the steel ball seat, is used for fixing steel ball.First washer is a kind of stamping part, is used for fixing jump ring and steel ball seat between electric screwed pipe and body.Second washer is a kind of metal plate punching spare, is used for the guide function of spool handoff procedure.Retaining spring is the precision machining part that a kind of two ends polish, and is used for fixing second washer.The material of the one O type circle adopts nitrile rubber, is used for the oil pressure seal action of body and electric screwed pipe.Electric screwed pipe is a kind of processing assembly parts, when coil electricity, the push rod in the electric screwed pipe is released, thus the effect that makes spool overcome the steel ball support force move, reach the purpose that changes oil circuit.The workpiece that coil is made up of the copper wire winding can produce electromagnetic force when energising.The material of the 2nd O type circle adopts nitrile rubber, is used for the aqueous vapor seal action between electric screwed pipe and coil.Plastic cap nut is used for fastening coil and body closely cooperates.
In Fig. 1, the solenoid tube push rod is released behind the coil electricity of left side, and the support force that spool overcomes steel ball and jump ring generation moves right, and steel ball utilizes the self-centering action centering position of its sphere, be self-locking in the spool locating slot inside, improve the self-locking stability of spool.In like manner, right side coil electricity solenoid tube push rod is released, and the support force that spool overcomes steel ball and jump ring generation moves left, and spool is self-locking in the spool locating slot outside.
Though more than described embodiment of the present utility model, but those skilled in the art is to be understood that, these only illustrate, and under the prerequisite that does not deviate from principle of the present utility model and essence, can make numerous variations or modification to these mode of executions.Therefore, protection domain of the present utility model is limited by appended claims.
Claims (3)
1. location type solenoid valve, it is characterized in that, it comprises body, spool, steel ball seat, steel ball, jump ring, first washer, second washer, retaining spring, an O type circle, electric screwed pipe, coil, the 2nd O type circle, plastic cap nut, spool is located in the body, steel ball seat, first washer, second washer, retaining spring are enclosed within on the spool, steel ball is embedded on the steel ball seat, jump ring is enclosed within on the steel ball seat, the one O type circle is located between body and the electric screwed pipe, electric screwed pipe is locked on the body, coil is enclosed within on the electric screwed pipe, and the 2nd O type circle is located between plastic cap nut and the coil.
2. location type solenoid valve as claimed in claim 1 is characterized in that, the diameter of described steel ball is 3.5mm.
3. location type solenoid valve as claimed in claim 1 is characterized in that, described steel ball seat is a cylindrical rod workpiece that three steel ball holes are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202989532U CN202056390U (en) | 2011-08-17 | 2011-08-17 | Locating type magnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202989532U CN202056390U (en) | 2011-08-17 | 2011-08-17 | Locating type magnetic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202056390U true CN202056390U (en) | 2011-11-30 |
Family
ID=45016362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202989532U Expired - Fee Related CN202056390U (en) | 2011-08-17 | 2011-08-17 | Locating type magnetic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202056390U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286955A (en) * | 2016-10-10 | 2017-01-04 | 合肥协力液压科技有限公司 | Reversing solenoid valve |
-
2011
- 2011-08-17 CN CN2011202989532U patent/CN202056390U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286955A (en) * | 2016-10-10 | 2017-01-04 | 合肥协力液压科技有限公司 | Reversing solenoid 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: 20111130 Termination date: 20190817 |