CN209370186U - A kind of self-locking device of solenoid directional control valve - Google Patents
A kind of self-locking device of solenoid directional control valve Download PDFInfo
- Publication number
- CN209370186U CN209370186U CN201822079806.0U CN201822079806U CN209370186U CN 209370186 U CN209370186 U CN 209370186U CN 201822079806 U CN201822079806 U CN 201822079806U CN 209370186 U CN209370186 U CN 209370186U
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- self
- locking
- guide
- piston
- control valve
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Abstract
The utility model relates to a kind of self-locking devices of solenoid directional control valve, including self-locking first guide bracket, self-locking piston and guide piston, installation cavity is offered in the self-locking first guide bracket, the stomata that can be connected with spare air pump is offered on the self-locking first guide bracket, the stomata is connected with installation cavity, the guide piston is arranged in installation cavity and is located above stomata, the self-locking piston is arranged in installation cavity and is located at below stomata, pass through setting band lock controller, in the case where unexpected power-off, band lock controller can carry out self-locking, solenoid directional control valve is set to remain at work station, avoid accident caused by making solenoid directional control valve stop working because of power-off and property loss.
Description
Technical field
The utility model relates to reversal valve technical field more particularly to a kind of self-locking devices of solenoid directional control valve.
Background technique
Solenoid directional control valve is the industrial equipment of Electromagnetic Control, is the automatic foundamental element for controlling fluid.Electromagnetism changes
It is typically provided coil and dynamic iron core into valve, dynamic iron core position is controlled by the size or on-off of electric current on control coil
Move, the movement of dynamic iron core can with the movement of ovable valve stem, to control the on-off of solenoid directional control valve or change gas circulating direction, and
Existing solenoid directional control valve powers off suddenly when running, and solenoid directional control valve can stop working suddenly, the machine for causing solenoid directional control valve to control
Device stops working, and machine stops working suddenly will lead to mechanical disorder or stop production, brings unnecessary economic damage for client
It loses.
Utility model content
In view of the above-mentioned state of the art, the technical problem to be solved by the utility model is to provide a kind of electromagnetism to change
To the self-locking device of valve, prior art problem has been solved.
Technical solution adopted by the utility model to solve the above technical problems is as follows:
A kind of self-locking device of solenoid directional control valve, including self-locking first guide bracket, self-locking piston and guide piston, the self-locking elder generation
Installation cavity is offered in guide bracket, offers the stomata that can be connected with spare air pump, the stomata and peace on the self-locking first guide bracket
It behave affectedly and is connected, the guide piston is arranged in installation cavity and is located above stomata, and the self-locking piston is arranged in installation cavity
It is interior and be located at stomata below.
Preferably, the guide piston includes that guide piston bar, guide's sealing ring and guide compress ring, guide's compression
Ring is fixed on guide piston bar front end, and guide's sealing ring is set on guide piston bar, passes through guide's sealing ring and guide
The dual-seal for compressing ring, can play good sealing effect.
Preferably, the self-locking piston includes self-locking piston rod, self-locking seal circle and self-locking compression ring, the self-locking compression
Ring is fixed on self-locking piston rod front end, and the self-locking seal snare is located on self-locking piston rod, by self-locking seal circle and self-locking
The dual-seal for compressing ring, can play good sealing effect.
Preferably, the self-locking first guide bracket offers adjustment hole, and adjusting screw, the adjusting spiral shell are provided in the adjustment hole
Silk front end is that semicircle can be used for can be manually rotated adjusting screw, be adjusted to squeeze guide piston by the way that adjusting screw is arranged
Section.
Preferably, the self-locking piston lower portion is arranged with spring, can be used for squeezing in solenoid directional control valve by the way that spring is arranged
Valve rod.
Preferably, at least one connecting hole for being connected with reverse battery valve is offered on the self-locking first guide bracket, it should
Connecting hole extends through self-locking first guide bracket lower end surface from self-locking first guide bracket upper surface, and connecting hole can pass through screw and solenoid directional control valve phase
Even.
Preferably, material used in the self-locking first guide bracket is stainless steel, self-locking device can be made to exist by using stainless steel
It is used under the pressure of 4Mpa.
Compared with the prior art, the advantages of the utility model are:
By setting band lock controller, in the case where unexpected power-off, band lock controller can carry out self-locking, make electromagnetic switch
Valve remains at work station, avoids accident caused by making solenoid directional control valve stop working because of power-off and property loss, leads to
Crossing can be such that self-locking device uses under the pressure of 4Mpa using stainless steel, and the utility model is designed reasonably accords with the demands of the market, and fit
It closes and promotes.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model section view.
Specific embodiment
As shown in Figs. 1-2, including self-locking first guide bracket 1, self-locking piston 3 and guide piston 2, it is offered in self-locking elder generation's guide bracket 1
Installation cavity, it is self-locking elder generation guide bracket 1 on offer the stomata 4 that can be connected with spare air pump, stomata 4 is connected with installation cavity, guide work
Plug 2 is arranged in installation cavity and is located above stomata 4, and self-locking piston 3 is arranged in installation cavity and is located at below stomata 4, guide
Piston 2 includes that guide piston bar, guide's sealing ring and guide compress ring, before guide's compression ring is fixed on guide piston bar
End, guide's sealing ring are set on guide piston bar, and the dual-seal of ring is compressed by guide's sealing ring and guide, can be risen
To good sealing effect, the self-locking piston 3 includes self-locking piston rod, self-locking seal circle and self-locking compression ring, described self-locking
Compression ring is fixed on self-locking piston rod front end, and the self-locking seal snare is located on self-locking piston rod, by guide's sealing ring and
Guide compresses the dual-seal of ring, can play good sealing effect, offer at least one connection on the self-locking first guide bracket 1
Hole 6, the connecting hole 6 extend through 1 lower end surface of self-locking first guide bracket from 1 upper surface of self-locking first guide bracket, and connecting hole 6 can pass through screw and electricity
Pond reversal valve is connected, and the self-locking first guide bracket 1 offers adjustment hole, and adjusting screw 5, the adjusting spiral shell are provided in the adjustment hole
5 front ends of silk are semicircle, when self-locking device is out of service, can be squeezed either manually or by rotation adjusting screw 5 to guide piston 2
Pressure, guide piston 2 can squeeze spring, and spring can squeeze the valve rod in solenoid directional control valve after being extruded, and make valve
Bar is maintained at operating position.
When operation, stomata 4 is connected with spare air pump, and in solenoid directional control valve work, coil attracts valve rod mobile to one end,
When having a power failure suddenly, spare air pump can be inflated in locking first guide bracket by stomata, under gas pressure effect, self-locking 3 He of piston
Guide piston 2 is slided to both ends, and the spring of self-locking 3 lower end of piston can squeeze the valve rod in solenoid directional control valve after being extruded
Pressure can replace coil to the suction of valve rod, so that the valve rod moment is maintained at operating position, avoid because power-off stops solenoid directional control valve
Accident caused by only working and property loss, can be such that locking solenoid directional control valve makes under the pressure of 4Mpa by using stainless steel
With.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of skill in the art that its according to
It is so possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is replaced on an equal basis
It changes；And these are modified or replaceed, various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (7)
1. a kind of self-locking device of solenoid directional control valve, which is characterized in that including self-locking first guide bracket (1), self-locking piston (3) and guide
Piston (2), the self-locking first guide bracket (1) is interior to offer installation cavity, and offering on the self-locking first guide bracket (1) can be with spare air pump
Connected stomata (4), the stomata (4) are connected with installation cavity, and the guide piston (2) is arranged in installation cavity and is located at gas
Above hole (4), the self-locking piston (3) is arranged in installation cavity and is located at below stomata (4).
2. a kind of self-locking device of solenoid directional control valve according to claim 1, which is characterized in that the guide piston (2)
Ring is compressed including guide piston bar, guide's sealing ring and guide, the guide compresses ring and is fixed on guide piston bar front end, described
Guide's sealing ring is set on guide piston bar.
3. a kind of self-locking device of solenoid directional control valve according to claim 2, which is characterized in that the self-locking piston (3)
Including self-locking piston rod, self-locking seal circle and self-locking compression ring, the self-locking compression ring is fixed on self-locking piston rod front end, described
Self-locking seal snare is located on self-locking piston rod.
4. a kind of self-locking device of solenoid directional control valve according to claim 3, which is characterized in that the self-locking first guide bracket
(1) adjustment hole is offered, is provided in the adjustment hole adjusting screw (5), adjusting screw (5) front end is semicircle.
5. a kind of self-locking device of solenoid directional control valve according to claim 4, which is characterized in that the self-locking piston (3)
Lower part is arranged with spring.
6. a kind of self-locking device of solenoid directional control valve according to claim 5, which is characterized in that the self-locking first guide bracket
(1) at least one is offered on for connecting hole (6) for being connected with reverse battery valve, the connecting hole (6) is from self-locking elder generation's guide bracket (1)
Upper surface extends through self-locking first guide bracket (1) lower end surface.
7. a kind of self-locking device of solenoid directional control valve according to claim 5, which is characterized in that the self-locking first guide bracket
(1) material used in is stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822079806.0U CN209370186U (en) | 2018-12-12 | 2018-12-12 | A kind of self-locking device of solenoid directional control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822079806.0U CN209370186U (en) | 2018-12-12 | 2018-12-12 | A kind of self-locking device of solenoid directional control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209370186U true CN209370186U (en) | 2019-09-10 |
Family
ID=67832211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822079806.0U Active CN209370186U (en) | 2018-12-12 | 2018-12-12 | A kind of self-locking device of solenoid directional control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209370186U (en) |
-
2018
- 2018-12-12 CN CN201822079806.0U patent/CN209370186U/en active Active
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