CN207112025U - A kind of voltage stabilizing pilot operated compound relief valve - Google Patents
A kind of voltage stabilizing pilot operated compound relief valve Download PDFInfo
- Publication number
- CN207112025U CN207112025U CN201721060658.7U CN201721060658U CN207112025U CN 207112025 U CN207112025 U CN 207112025U CN 201721060658 U CN201721060658 U CN 201721060658U CN 207112025 U CN207112025 U CN 207112025U
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- CN
- China
- Prior art keywords
- piston
- movable chamber
- voltage stabilizing
- spring
- relief valve
- Prior art date
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Abstract
The utility model discloses a kind of voltage stabilizing pilot operated compound relief valve, including pipeline, pipeline communication control valve, control valve controls the switch of supercharger；The utility model is when the hydraulic pressure in pipeline is too high, first piston drives conductor block to move up, first piston no longer blocks connecting hole, hydraulic oil enters in the second movable chamber, due to the hydro-cushion of now second piston upper and lower side, therefore, second spring compressing second piston moves downward, spout hole connects overfall, and the unnecessary highly pressurised liquid in pipeline overflows, and reduces manifold pressure.When hypotony, first piston is moved down in the presence of the first spring, and conductor block connects the first binding post, and power supply is powered to supercharger, is increased manifold pressure, is played a part of steady pressure.When manifold pressure is high arrives warning value, conductor block connects the second binding post, and power supply is powered to buzzer, plays a part of warning staff.
Description
Technical field
It the utility model is related to valve arrangement field, and in particular to a kind of voltage stabilizing pilot operated compound relief valve.
Background technology
Overflow valve is a kind of hydraulic pressure control valve, mainly plays level pressure overflow, voltage stabilizing in hydraulic test, system is unloaded
Lotus and safeguard protection effect.When manifold pressure is too high, for fluid by overflow valve flow out, reduce pipeline in
Hydraulic pressure, play a part of protection；But when hypotony in pipeline, it may result in the work of pipeline connected equipment not
Normally, it is therefore desirable to which one kind keeps the metastable overflow valve of manifold pressure.
Utility model content
The purpose of this utility model is to overcome the above-mentioned problems in the prior art, there is provided a kind of voltage stabilizing pilot-operated type overflows
Valve is flowed, can not only reduce hydraulic pressure too high in pipeline, while can also be pressurized when hydraulic pressure is too low in pipeline.
To realize above-mentioned technical purpose and the technique effect, the utility model is to be achieved through the following technical solutions：
A kind of voltage stabilizing pilot operated compound relief valve, including pipeline, the pipeline communication control valve, the control valve control supercharger
Switch；
The control valve is provided with the first movable chamber and the second movable chamber, and first piston, institute are provided with first movable chamber
It is T-shaped to state first piston vertical section, and its bottom is wide compared with top, and conductor block is fixed with the top of the first piston, and described first lives
Dynamic cavity wall bottom is fixed with the first binding post, and the conductor block top abuts the first spring；
The first movable chamber bottom connects the top of the second movable chamber by connecting hole, is provided with second movable chamber
Second piston, L-shaped spout hole is offered inside the second piston, the second movable cavity wall offers overfall, described
When second piston upper and lower side hydro-cushion, spout hole connection overfall, the second piston top abuts second spring；
Power supply and supercharger is electrically connected in the first binding post both ends.
Further, the described first movable cavity wall is further fixed on the second binding post.
Further, second binding post is fixed on the top of the first movable cavity wall.
Further, the second binding post both ends are respectively communicated with power supply and buzzer.
Further, the buzzer is in parallel with supercharger.
Further, first spring and second spring are equal footpath helical spring.
Further, first spring outer diameter is 9/10ths of the first movable chamber internal diameter.
Further, second spring external diameter is 9/10ths of the second movable chamber internal diameter.
Income effect of the present utility model is：
1st, when the hydraulic pressure in pipeline is too high, first piston drives conductor block to move up, and first piston no longer seals
Stifled connecting hole, hydraulic oil enter in the second movable chamber, due to the hydro-cushion of now second piston upper and lower side, therefore, the second bullet
Spring compressing second piston moves downward, spout hole connection overfall, and the unnecessary highly pressurised liquid in pipeline overflows, and reduces pipeline internal pressure
Power.
2nd, when hypotony, first piston moves down in the presence of the first spring, and conductor block connects first
Binding post, power supply are powered to supercharger, are increased manifold pressure, are played a part of steady pressure.
3rd, when manifold pressure is high arrives warning value, conductor block connects the second binding post, and power supply is supplied buzzer
Electricity, play a part of warning staff.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, make required for being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the utility model,
For those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Other accompanying drawings.
Fig. 1 is the structural representation of overflow valve described in the utility model；
Fig. 2 is the connection diagram of overflow valve electric elements inside described in the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The all other embodiment obtained, belong to the scope of the utility model protection.
As shown in Figure 1-2, the utility model is a kind of voltage stabilizing pilot operated compound relief valve, including pipeline 100, pipeline 100 connect
Control valve 200, control valve 200 control the switch of supercharger 300；
Control valve 200 is provided with the first movable chamber 201 and the second movable chamber 202, and first piston is provided with the first movable chamber 201
203, the vertical section of first piston 203 is T-shaped, and its bottom is wide compared with top, and the top of first piston 203 is fixed with conductor block 204, first
The inner wall lower of movable chamber 201 is fixed with the first binding post 205, and the top of conductor block 204 abuts the first spring 207；
The bottom of first movable chamber 201 connects the top of the second movable chamber 202 by connecting hole 208, in the second movable chamber 202
Provided with second piston 209, L-shaped spout hole 210 is offered inside second piston 209, the inwall of the second movable chamber 202 offers overflow
Mouthfuls 211, when 209 upper and lower side hydro-cushion of second piston, spout hole 210 connects overfall 211, the top of second piston 209
Abut second spring 212；
Power supply 400 and supercharger 300 is electrically connected in the both ends of first binding post 205.
Further, the inwall of the first movable chamber 201 is further fixed on the second binding post 206.
Further, the second binding post 206 is fixed on the top of the inwall of the first movable chamber 201.
Further, the both ends of the second binding post 206 are respectively communicated with power supply 400 and buzzer 213.
Further, buzzer 213 is in parallel with supercharger 300.
Further, the first spring 207 and second spring 212 are equal footpath helical spring.
Further, the external diameter of the first spring 207 is 9/10ths of the internal diameter of the first movable chamber 201.
Further, the external diameter of second spring 212 is 9/10ths of the internal diameter of the second movable chamber 202.
One of the present embodiment has particular application as：
When the hydraulic pressure in pipeline is too high, first piston 203 drives conductor block 204 to move up, first piston 203
Connecting hole 208 is no longer blocked, hydraulic oil enters in the second movable chamber 202, due to the hydraulic flat of the now upper and lower side of second piston 209
Weighing apparatus, therefore, second spring 212 are oppressed second piston 209 and moved downward, the connection overfall 211 of spout hole 210, in pipeline 100
Unnecessary highly pressurised liquid overflows, and reduces manifold pressure.
When hypotony, first piston 203 moves down in the presence of the first spring 207, and conductor block 204 connects
Logical first binding post 205, power supply 400 are powered to supercharger 300, increase pressure in pipeline 100, play the work of steady pressure
With.
When pressure height arrives warning value in pipeline 100, conductor block 204 connects the second binding post 206, power supply 400
Buzzer 213 is powered, plays a part of warning staff.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
With reference to specific features that the embodiment or example describe, structure, material live feature be contained in it is of the present utility model at least one
In embodiment or example.In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or
Example.Moreover, specific features, structure, material or the feature of description can be in any one or more embodiments or example
In combine in an appropriate manner.
The utility model preferred embodiment disclosed above is only intended to help and illustrates the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, it is only described embodiment also not limit the utility model.Obviously, according to this theory
The content of bright book, it can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is in order to preferably
Principle and practical application of the present utility model is explained, so that skilled artisan can be best understood by and utilize this
Utility model.The utility model is only limited by claims and its four corner and equivalent.
Claims (8)
- A kind of 1. voltage stabilizing pilot operated compound relief valve, it is characterised in that：Including pipeline (100), the pipeline (100) connects control valve (200), the switch of control valve (200) the control supercharger (300)；The control valve (200) is provided with the first movable chamber (201) and the second movable chamber (202), and first movable chamber (201) is interior Provided with first piston (203), first piston (203) vertical section is T-shaped, and its bottom is wide compared with top, the first piston (203) top is fixed with conductor block (204), and the first movable chamber (201) inner wall lower is fixed with the first binding post (205), conductor block (204) top abuts the first spring (207)；First movable chamber (201) bottom by connecting hole (208) connect the second movable chamber (202) top, described second Second piston (209) is provided with movable chamber (202), L-shaped spout hole (210) is offered inside the second piston (209), it is described Second movable chamber (202) inwall offers overfall (211), when second piston (209) the upper and lower side hydro-cushion, overflows Discharge orifice (210) connection overfall (211), second piston (209) top abut second spring (212)；Power supply (400) and supercharger (300) is electrically connected in first binding post (205) both ends.
- A kind of 2. voltage stabilizing pilot operated compound relief valve according to claim 1, it is characterised in that：First movable chamber (201) Inwall is further fixed on the second binding post (206).
- A kind of 3. voltage stabilizing pilot operated compound relief valve according to claim 2, it is characterised in that：Second binding post (206) it is fixed on the top of the first movable chamber (201) inwall.
- A kind of 4. voltage stabilizing pilot operated compound relief valve according to claim 2, it is characterised in that：Second binding post (206) both ends are respectively communicated with power supply (400) and buzzer (213).
- A kind of 5. voltage stabilizing pilot operated compound relief valve according to claim 4, it is characterised in that：The buzzer (213) is with increasing Press (300) is in parallel.
- A kind of 6. voltage stabilizing pilot operated compound relief valve according to claim 1, it is characterised in that：First spring (207) and Second spring (212) is equal footpath helical spring.
- A kind of 7. voltage stabilizing pilot operated compound relief valve according to claim 1, it is characterised in that：First spring (207) is outside Footpath is 9/10ths of the first movable chamber (201) internal diameter.
- A kind of 8. voltage stabilizing pilot operated compound relief valve according to claim 1, it is characterised in that：The second spring (212) is outside Footpath is 9/10ths of the second movable chamber (202) internal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721060658.7U CN207112025U (en) | 2017-08-23 | 2017-08-23 | A kind of voltage stabilizing pilot operated compound relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721060658.7U CN207112025U (en) | 2017-08-23 | 2017-08-23 | A kind of voltage stabilizing pilot operated compound relief valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207112025U true CN207112025U (en) | 2018-03-16 |
Family
ID=61570712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721060658.7U Expired - Fee Related CN207112025U (en) | 2017-08-23 | 2017-08-23 | A kind of voltage stabilizing pilot operated compound relief valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207112025U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113125075A (en) * | 2021-04-20 | 2021-07-16 | 陈亮 | Leakage-proof testing device for heating and ventilation pipeline |
-
2017
- 2017-08-23 CN CN201721060658.7U patent/CN207112025U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113125075A (en) * | 2021-04-20 | 2021-07-16 | 陈亮 | Leakage-proof testing device for heating and ventilation pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180316 Termination date: 20200823 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |