CN201916270U - Low-flow four-position four-way valve - Google Patents
Low-flow four-position four-way valve Download PDFInfo
- Publication number
- CN201916270U CN201916270U CN2011200060663U CN201120006066U CN201916270U CN 201916270 U CN201916270 U CN 201916270U CN 2011200060663 U CN2011200060663 U CN 2011200060663U CN 201120006066 U CN201120006066 U CN 201120006066U CN 201916270 U CN201916270 U CN 201916270U
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- Prior art keywords
- valve
- way valve
- valve body
- liquid
- strings
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- Expired - Lifetime
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Abstract
The utility model discloses a low-flow four-position four-way valve, which comprises a valve body and two two-position three-way valve strings, wherein the valve body is provided with liquid inlet cavities and liquid return cavities and the two two-position three-way valve strings are symmetrically disposed in the valve body. The interior of the valve body is in a cavity structure, travel screws of the two two-position three-way valve strings are respectively horizontally extended into the cavity and connected with a lever through nuts, two chambers communicated with the two valve strings are arranged in the valve body, the liquid inlet cavities and the liquid return cavities are respectively arranged on two sides of the two chambers, and the two liquid inlet cavities are respectively communicated with the two liquid return cavities. The low-flow four-position four-way valve is small in size, compact and simple in structure, convenient in maintenance and small in driving force, a force application end of the valve is used for force amplification through a lever mechanism, the valve can be operated via small force, four-position four-way can be realized functionally, and the low-flow four-position four-way valve can be used as a pilot valve for a hydraulic valve, and can also be used for realizing action for low flows.
Description
Technical field
The utility model relates to hydrovalve, especially relates to a kind of small flow four-way valve.
Background technique
Because traditional manual operation is wasted time and energy, and does not meet industrial production requirement, many industry control occasions use electrohydraulic control system to substitute original manually-operable on a large scale, not only greatly reduce labor intensity of operating personnel, have also improved working efficiency.In general, adopt electromagnet to realize from electrical signal to the conversion of mechanical energy, occasion at high-pressure high-flow, if directly adopt the solenoid actuated spool, the power of electromagnet is inevitable very big, generally be to adopt electromagnetic priority valve to carry out middle transition, promptly control the purpose that electric liquid main valve reaches control with the low power electromagnetic priority valve of small flow.Because pilot valve uses extensively, require valve body structure compact more, safeguard convenient.
Summary of the invention
The purpose of this utility model is to provide that a kind of volume is little, driving force is little, the small flow four-way valve of compact structure, and the pilot valve that this valve promptly can be used as hydrovalve uses, and also can be used for the small flow occasion and realizes action.
For achieving the above object, the utility model can be taked following technical proposals:
Small flow four-way valve described in the utility model, comprise the valve body that offers admission chamber and time sap cavity and be arranged on the interior two-position three-way valve string of valve body, described valve string from outer in be disposed with fastening screw plug and feed liquor valve pocket, in the endoporus of described feed liquor valve pocket, spring is housed, described spring top is set with spring seat, feed liquor porcelain ball is housed in the endoporus of described spring seat, the thimble on feed liquor porcelain ball top is with middle valve pocket outward, the end is provided with back liquid porcelain ball, the push rod that is compressed by time liquid porcelain ball is with liquid return valve jacket outward, and push rod top is provided with stroke silk nail; Be symmetrically arranged with two groups of two-position three-way valve strings in the described valve body, the inboard of described valve body is a curved cavity, and the stroke silk nail of described two groups of two-position three-way valve strings extends horizontally to respectively in the cavity and by nut and lever and links; Offer two chambers that are communicated with two valve strings in the described valve body; Offer admission chamber in the both sides that are positioned at two chambers respectively and return sap cavity, described two admission chambers and twice sap cavities communicate respectively.
The end of described time liquid sleeving valve is provided with the tapped hole of projection.
Be symmetrically arranged with four liquid pass holes on the outer wall of valve pocket in described.
Advantage of the present utility model is that volume is small and exquisite, compact structure, simple, easy to maintenance; Have the little characteristics of driving force, the amplification of power is carried out by leverage in its force side, and available minimum power realizes the operation of valve; Can realize four four-ways on the function, the pilot valve that can be used as hydrovalve uses, and also can be used for the small flow occasion and realizes action.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
As shown in the figure, small flow four-way valve described in the utility model, comprise the valve body 5 that offers admission chamber and return sap cavity and be arranged on two-position three-way valve string in the valve body 5, the valve string from outer in be disposed with fastening screw plug 1 and feed liquor valve pocket 2, spring 3 is housed in the endoporus of feed liquor valve pocket 2, spring 3 tops are set with spring seat 4, feed liquor porcelain ball 6 is housed in the endoporus of spring seat 4, valve pocket 8 in thimble 7 outer being with on feed liquor porcelain ball 6 tops, the end is provided with back liquid porcelain ball 14, by returning the push rod 10 outer liquid return valve jackets 9 that are with that liquid porcelain ball 14 compresses, push rod 10 tops are provided with stroke silk nail 11; Be symmetrically arranged with two groups of two-position three-way valve strings in the valve body 5, the inboard of valve body 5 is a curved cavity, and the stroke silk nail 11 of two groups of two-position three-way valve strings extends horizontally to respectively in the cavity and by nut 12 and lever 13 and links; Offer two chambers (A chamber and B chamber) that are communicated with two valve strings in the valve body 5; Offer admission chamber in the both sides that are positioned at A chamber and B chamber respectively and return sap cavity, described two admission chambers and twice sap cavities communicate in twos.
Working principle of the present utility model is summarized as follows: when not applying any external force, feed liquor porcelain ball 6 is under the effect of spring 3 and hydraulic coupling, valve pocket 8 in compressing, A chamber and B chamber are separated with P chamber (admission chamber) respectively, at this moment, thimble 7 backs down returning liquid porcelain ball 14, thereby A chamber and B chamber communicate with O chamber (returning sap cavity), form y-function.
If lever 13 is applied a power, after this power of making every effort to overcome clothes spring 3 is closed hydraulic coupling and has been amplified an order of magnitude by leverage, between act on the stroke silk nail 11, push rod 10 is to left movement, promoting back liquid porcelain ball 14 fits with the right-hand member valve port of middle valve pocket 8, thereby turn-off A chamber (or B chamber), return liquid porcelain ball 14 simultaneously and push feed liquor porcelain ball 6, thereby P chamber (admission chamber) communicates with A chamber (or B chamber) by thimble 7; The other end application of force to lever 13 is identical therewith.
When to two levers, the 13 while application of force, communicate with P chamber (admission chamber) simultaneously with respect to A chamber and B chamber, O chamber (returning sap cavity) closes, A chamber and B chamber while this moment feed flow.
Be provided with the tapped hole of projection in the end of returning liquid sleeving valve 9, be convenient to dismounting.
On the outer wall of middle valve pocket 8, be symmetrically arranged with four liquid pass holes.
Claims (3)
1. small flow four-way valve, comprise the valve body (5) that offers admission chamber and time sap cavity and be arranged on the interior two-position three-way valve string of valve body (5), described valve string from outer in be disposed with fastening screw plug (1) and feed liquor valve pocket (2), spring (3) is housed in the endoporus of described feed liquor valve pocket (2), described spring (3) top is set with spring seat (4), feed liquor porcelain ball (6) is housed in the endoporus of described spring seat (4), the outer middle valve pocket (8) that is with of the thimble (7) on feed liquor porcelain ball (6) top, the end is provided with back liquid porcelain ball (14), by returning the outer liquid return valve jacket (9) that is with of push rod (10) that liquid porcelain ball (14) compresses, push rod (10) top is provided with stroke silk nail (11); It is characterized in that: be symmetrically arranged with two groups of two-position three-way valve strings in the described valve body (5), the inboard of described valve body (5) is a curved cavity, and the stroke silk nail (11) of described two groups of two-position three-way valve strings extends horizontally to respectively in the cavity and by nut (12) and lever (13) and links; Offer two chambers that are communicated with two valve strings in the described valve body (5); Offer admission chamber in the both sides that are positioned at two chambers respectively and return sap cavity, described two admission chambers and twice sap cavities communicate respectively.
2. small flow four-way valve according to claim 1 is characterized in that: the end of described time liquid sleeving valve (9) is provided with the tapped hole of projection.
3. small flow four-way valve according to claim 1 is characterized in that: be symmetrically arranged with four liquid pass holes on the outer wall of valve pocket (8) in described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200060663U CN201916270U (en) | 2011-01-11 | 2011-01-11 | Low-flow four-position four-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200060663U CN201916270U (en) | 2011-01-11 | 2011-01-11 | Low-flow four-position four-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201916270U true CN201916270U (en) | 2011-08-03 |
Family
ID=44416067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200060663U Expired - Lifetime CN201916270U (en) | 2011-01-11 | 2011-01-11 | Low-flow four-position four-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201916270U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246419A (en) * | 2017-05-14 | 2017-10-13 | 广东庭嘉液压科技有限公司 | A kind of automatic control switch valve and its process |
| CN110714951A (en) * | 2019-11-18 | 2020-01-21 | 杭州富阳孙氏机床有限公司 | Sphere seal structure and hydrovalve |
-
2011
- 2011-01-11 CN CN2011200060663U patent/CN201916270U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246419A (en) * | 2017-05-14 | 2017-10-13 | 广东庭嘉液压科技有限公司 | A kind of automatic control switch valve and its process |
| CN110714951A (en) * | 2019-11-18 | 2020-01-21 | 杭州富阳孙氏机床有限公司 | Sphere seal structure and hydrovalve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110803 |