CN209146020U - A kind of reversal valve suitable for high-pressure high-flow - Google Patents
A kind of reversal valve suitable for high-pressure high-flow Download PDFInfo
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- CN209146020U CN209146020U CN201821894725.XU CN201821894725U CN209146020U CN 209146020 U CN209146020 U CN 209146020U CN 201821894725 U CN201821894725 U CN 201821894725U CN 209146020 U CN209146020 U CN 209146020U
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- valve core
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Abstract
The utility model relates to pumping plant technical field of hydraulic equipment, the reversal valve suitable for high-pressure high-flow especially in high pressure cleaning pump, its structure includes valve body, body cavity is successively arranged back fluid spool from top to bottom, return liquid valve seat, liquid valve seat and liquid valve core, back fluid spool is installed with the splicing of liquid valve seat is returned, liquid valve core and the splicing of liquid valve seat are installed, the end of valve body is equipped with connector, connector is connected with two position two-way valve, inlet is offered on the side wall of valve body, liquid outlet and liquid return hole, inlet can be connected to back fluid spool and liquid valve core, liquid outlet can be connected to liquid valve core, liquid return hole can be connected to back fluid spool, the reversal valve can quickly control the disengaging of high-pressure high-flow liquid, and have the advantages that intensity is good.
Description
Technical field
The utility model relates to be suitable for the big stream of high pressure in pumping plant technical field of hydraulic equipment, especially high pressure cleaning pump
The reversal valve of amount.
Background technique
Reversal valve is the directional control valve with two or more liquid forms and more than two hydraulic fluid ports, is to realize hydraulic oil
The valve of communication, cutting and the commutation of stream and discharge degree and sequentially-operating control.Have currently on the market many all using electricity
Magnetic reversal valve, but the pressure and flow all very littles that solenoid directional control valve can bear, are not able to satisfy the requirement of high-pressure high-flow.
Utility model content
For the prior art there are above-mentioned technical problem, the utility model provides a kind of commutation suitable for high-pressure high-flow
Valve, the reversal valve can quickly control the disengaging of high-pressure high-flow liquid, and have the advantages that intensity is good.
To achieve the above object, the utility model the following technical schemes are provided:
A kind of reversal valve suitable for high-pressure high-flow, including valve body are provided, the body cavity is successively set from top to bottom
There is back fluid spool, return liquid valve seat, liquid valve seat and liquid valve core, the back fluid spool is installed with described time liquid valve seat splicing, institute
It states liquid valve core and liquid valve seat splicing is installed, the end of the valve body is equipped with connector, and the connector is connected with two two
Port valve offers inlet, liquid outlet and liquid return hole on the side wall of the valve body, and the inlet can be connected to the back fluid spool
With the liquid valve core, the liquid outlet can be connected to the liquid valve core, and the liquid return hole can be connected to the back fluid spool；Work
When, high pressure water enters valve body by the inlet, high pressure water pass sequentially through the inner hole of the back fluid spool, the connector it is interior
Hole simultaneously enters the two position two-way valve, and when the two position two-way valve, which is in, to be opened, the back fluid spool is opened, the liquid valve
Core is closed, and high pressure water flows out from the liquid return hole and flow into water tank, when the two position two-way valve, which is in, closes, described time liquid valve
Core is closed, and the liquid valve core is opened, and high pressure water flows out from the liquid outlet and flows into throttle valve.
Wherein, the upper end of the valve body is covered with top board, and the lower end of the valve body is covered with lower platen.
Wherein, hydraulic sleeve is equipped with back between the top board and described time liquid valve seat, described time hydraulic sleeve is embedded in described
The inner sidewall of body cavity simultaneously offers the outlet communicated with the through-hole of the back fluid spool.
Wherein, it is equipped with hydraulic sleeve between the lower platen and the liquid valve core, the hydraulic sleeve out is embedded in described
The inner sidewall of body cavity simultaneously offers the outlet communicated with the through-hole of the liquid valve core.
Wherein, liquid spring is equipped with back between the plate face of the top board and the outer end of the back fluid spool.
Wherein, it is equipped with liquid spring between the plate face of the lower platen and the outer end of the liquid valve core.
Wherein, the top board is closed by the fixed lid of four screws in the upper end of the valve body.
Wherein, the lower platen closes the lower end in the valve body by the fixed lid of four screws.
Wherein, it is connected between the connector and the two position two-way valve by sebific duct.
The utility model has the beneficial effects that
By the switch of two position two-way valve, at the same it is poor using liquid valve core and the area pressure of liquid valve seat, and return liquid
Spool to control the liquid out of reversal valve respectively and returns liquid with the area pressure difference for returning liquid valve seat.Since the channel of the valve is big, valve body
And the intensity of part is high, can meet the requirement of high-pressure high-flow；Also, the reversal valve compact-sized, reasonable, installation and removal
It is convenient, it is suitable for large-scale production and application.
Detailed description of the invention
Fig. 1 is a kind of reversal valve suitable for high-pressure high-flow and cleaning pump, water tank and throttle valve work of the utility model
Make the cross-sectional view of state；
Fig. 2 is a kind of cross-sectional view of reversal valve suitable for high-pressure high-flow of the utility model.
Appended drawing reference:
1, two position two-way valve；2, valve body；3, fresh water pump；4, sebific duct；5, connector；6, liquid screw is returned；7, top board；8, liquid is returned
Pressing sleeve；9, liquid spring is returned；10, back fluid spool；11, liquid valve seat is returned；13, liquid valve seat；14, go out hydraulic sleeve；15, liquid valve core；
16, go out liquid spring；17, lower platen；18, go out liquid screw；19, water tank；20, throttle valve；21, inlet；22, liquid outlet；23, it returns
Liquid mouth.
Specific embodiment
The utility model is described in detail below in conjunction with specific embodiments and drawings.
Embodiment 1.
A kind of reversal valve suitable for high-pressure high-flow is provided, as depicted in figs. 1 and 2, including valve body 2,2 inner cavity of valve body by
On be successively arranged down back fluid spool 10, return liquid valve seat 11, liquid valve seat 13 and liquid valve core 15, back fluid spool 10 with return liquid valve
11 splicing installation of seat, liquid valve core 15 and the splicing of liquid valve seat 13 are installed, and the end of valve body 2 is equipped with connector 5, and connector 5 is connected with
Two position two-way valve 1 offers the inlet 21 that liquid outlet 22 and liquid return hole 23 and fresh water pump 3 connect, feed liquor on the side wall of valve body 2
Mouth 21 can be connected to back fluid spool 10 and liquid valve core 15, and liquid outlet 22 can be connected to liquid valve core 10, and liquid return hole 23 can be connected to back liquid
Spool 10；When work, the high pressure water of fresh water pump 3 enters valve body 2 by inlet 21, and high pressure water passes sequentially through back fluid spool 10
Inner hole, the inner hole of connector 5 and entrance two position two-way valve 1, when two position two-way valve 1, which is in, to be opened, back fluid spool 10 is opened, out liquid
Spool 15 is closed, and high pressure water flows out from liquid return hole 23 and flow into water tank 19, when two position two-way valve 1, which is in, closes, back fluid spool
10 close, and liquid valve core 15 is opened, and high pressure water flows out from liquid outlet 22 and flows into throttle valve 20.
In the present embodiment, as shown in Fig. 2, the upper end of valve body 1 is covered with top board 7, the lower end of valve body 1 is covered with down
Pressing plate 17, top board 7 are closed by the fixed lid of four screws in the upper end of valve body 2, and lower platen 17 passes through the fixed lid of four screws
The lower end in valve body 2 is closed, to form a closed valve body.
In the present embodiment, as shown in Fig. 2, being equipped with back hydraulic sleeve 8 between top board 7 and time liquid valve seat 11, return in hydraulic sleeve 8
Embedded in 2 inner cavity of valve body inner sidewall and offer the outlet communicated with the through-hole of back fluid spool 10.Lower platen 17 and liquid valve core
It is equipped with hydraulic sleeve 14 between 15, hydraulic sleeve 14 is embedded in the inner sidewall of 2 inner cavity of valve body and offers and liquid valve core 15 out
The outlet that through-hole communicates, in order to form compact-sized reversal valve.
In the present embodiment, as shown in Fig. 2, being equipped with back liquid spring between the plate face of top board 7 and the outer end of back fluid spool 10
9, it is equipped with liquid spring 16 between the plate face of lower platen 14 and the outer end of liquid valve core 15, is convenient for valve core rotation.
In the present embodiment, as shown in Fig. 2, being connected between connector 5 and two position two-way valve 1 by sebific duct 4.
Finally it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than to this reality
With the limitation of novel protected range, although being explained in detail referring to preferred embodiment to the utility model, this field it is general
Lead to it will be appreciated by the skilled person that can be with the technical solution of the present invention is modified or equivalently replaced, without departing from this
The spirit and scope of utility model technical solution.
Claims (9)
1. a kind of reversal valve suitable for high-pressure high-flow, it is characterized in that: include valve body, the body cavity is from top to bottom successively
Equipped with back fluid spool, liquid valve seat, liquid valve seat and liquid valve core are returned, the back fluid spool is installed with described time liquid valve seat splicing,
The liquid valve core and liquid valve seat splicing are installed, and the end of the valve body is equipped with connector, and the connector is connected with two
Two-port valve, offers inlet, liquid outlet and liquid return hole on the side wall of the valve body, and the inlet, which can be connected to, described returns liquid valve
Core and the liquid valve core, the liquid outlet can be connected to the liquid valve core, and the liquid return hole can be connected to the back fluid spool；Work
When making, high pressure water enters valve body by the inlet, and high pressure water passes sequentially through the inner hole of the back fluid spool, the connector
Inner hole simultaneously enters the two position two-way valve, and when the two position two-way valve, which is in, to be opened, the back fluid spool is opened, the liquid out
Spool is closed, and high pressure water flows out from the liquid return hole and flow into water tank, when the two position two-way valve, which is in, closes, described time liquid
Spool is closed, and the liquid valve core is opened, and high pressure water flows out from the liquid outlet and flows into throttle valve.
2. a kind of reversal valve suitable for high-pressure high-flow according to claim 1, it is characterized in that: the upper end of the valve body
End is covered with top board, and the lower end of the valve body is covered with lower platen.
3. a kind of reversal valve suitable for high-pressure high-flow according to claim 2, it is characterized in that: the top board and institute
It states back and is equipped with back hydraulic sleeve between liquid valve seat, described time hydraulic sleeve is embedded in the inner sidewall of the body cavity and offers and institute
State the outlet that the through-hole of back fluid spool communicates.
4. a kind of reversal valve suitable for high-pressure high-flow according to claim 2, it is characterized in that: the lower platen and institute
State and be equipped with hydraulic sleeve between liquid valve core, it is described go out hydraulic sleeve be embedded in the inner sidewall of the body cavity and offer and institute
State the outlet that the through-hole of liquid valve core communicates.
5. a kind of reversal valve suitable for high-pressure high-flow according to claim 2, it is characterized in that: the plate of the top board
Liquid spring is equipped with back between face and the outer end of the back fluid spool.
6. a kind of reversal valve suitable for high-pressure high-flow according to claim 2, it is characterized in that: the plate of the lower platen
It is equipped with liquid spring between face and the outer end of the liquid valve core.
7. a kind of reversal valve suitable for high-pressure high-flow according to claim 2, it is characterized in that: the top board passes through
The fixed lid of four screws is closed in the upper end of the valve body.
8. a kind of reversal valve suitable for high-pressure high-flow according to claim 2, it is characterized in that: the lower platen passes through
The fixed lid of four screws closes the lower end in the valve body.
9. a kind of reversal valve suitable for high-pressure high-flow according to claim 1, it is characterized in that: the connector with it is described
It is connected between two position two-way valve by sebific duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821894725.XU CN209146020U (en) | 2018-11-18 | 2018-11-18 | A kind of reversal valve suitable for high-pressure high-flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821894725.XU CN209146020U (en) | 2018-11-18 | 2018-11-18 | A kind of reversal valve suitable for high-pressure high-flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209146020U true CN209146020U (en) | 2019-07-23 |
Family
ID=67286177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821894725.XU Active CN209146020U (en) | 2018-11-18 | 2018-11-18 | A kind of reversal valve suitable for high-pressure high-flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209146020U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110953381A (en) * | 2019-12-27 | 2020-04-03 | 山前（珠海）医疗科技有限公司 | Three-way valve and cryoablation device |
-
2018
- 2018-11-18 CN CN201821894725.XU patent/CN209146020U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110953381A (en) * | 2019-12-27 | 2020-04-03 | 山前（珠海）医疗科技有限公司 | Three-way valve and cryoablation device |
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