CN206723504U - A kind of high-low pressure switching valve - Google Patents
A kind of high-low pressure switching valve Download PDFInfo
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- CN206723504U CN206723504U CN201720034321.2U CN201720034321U CN206723504U CN 206723504 U CN206723504 U CN 206723504U CN 201720034321 U CN201720034321 U CN 201720034321U CN 206723504 U CN206723504 U CN 206723504U
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- sealing plate
- rotary shaft
- low pressure
- pressure switching
- switching valve
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Abstract
The utility model discloses a kind of high-low pressure switching valve, including valve body, the valve inner is provided with rotary shaft, and the rotary shaft is hollow-core construction, and the rotary shaft top is provided with the rotating driving device for being used for driving the rotary shaft forward or reverse, it is characterised in that：The medium position of the rotary shaft is provided with first material entrance and first material exports, and second material entrance and second material outlet are respectively equipped with the middle part of the valve body；The upper end of the first material entrance and first material outlet is provided with the first sealing plate and the second sealing plate, first sealing plate is located at the upper end of the second sealing plate, the lower end of the first material entrance and first material outlet is provided with the 3rd sealing plate, and first sealing plate, the second sealing plate and the 3rd sealing plate are located at interior of rotating shaft；The high-low pressure switching valve also includes the oil mass instruction device connected with rotary shaft.The utility model can judge whether sealing is revealed in time, be easy to repair, and structure design is simple, be adapted to large-scale promotion to use.
Description
Technical field
Switching valve technical field is the utility model is related to, more specifically, more particularly to a kind of high-low pressure switching valve.
Background technology
Delivery pump is often used in the trandfer fluid medium that hoists, and fluid media (medium) is pipelined into eminence, height
Higher medium discharge pressure is bigger.In actual application, due to long-play, the valve inner sealing plate of pipeline connection
Consumed under medium discharge pressure, easily cause to reveal.If found not in time, leakage loss can occur for the oil in oil cylinder, or
Person's material enters in oil cylinder, and valve inner seal leakage causes that high-low pressure conversion can not be normally carried out, so as to influence material conveying,
Influence production.
Utility model content
The purpose of this utility model is to solve the above problems, there is provided one kind is simple in construction, can find that sealing is asked early
A kind of high-low pressure switching valve of topic.
In order to achieve the above object, the technical solution adopted in the utility model is as follows：
A kind of high-low pressure switching valve, including valve body, the valve inner are provided with rotary shaft, and the rotary shaft is hollow knot
Structure, the rotary shaft top, which is provided with, is used to driving the rotating driving device of the rotary shaft forward or reverse, in the rotary shaft
Position has installed first material entrance and first material outlet, and second material entrance and second are respectively equipped with the middle part of the valve body
Material outlet；Under normality, the first material entrance of the rotary shaft and the second material entry position of valve body are corresponding, the rotation
The first material outlet of axle is corresponding with the second material outlet port of valve body, after rotary shaft rotates to an angle, rotary shaft
The second material entrance horizontal level of first material entrance and valve body staggers, the first material outlet of rotary shaft and the second of valve body
Material outlet horizontal level staggers；
The upper end of the first material entrance and first material outlet is provided with the first sealing plate and the second sealing plate, and described the
One sealing plate is located at the upper end of the second sealing plate, and the lower end that the first material entrance and first material export is provided with the 3rd sealing
Plate, first sealing plate, the second sealing plate and the 3rd sealing plate are located at interior of rotating shaft；The high-low pressure switching valve also wraps
Include the oil mass instruction device connected with rotary shaft.
Further, the oil mass instruction device includes lubricating cup, and the lubricating cup is connected by oil spill pipe with rotary shaft, described
Lubricating cup is located on the outside of valve body and the height and position of lubricating cup is between the first sealing plate and the second sealing plate.
Further, the inwall of the rotary shaft is provided with three group of first radial groove, first sealing plate, the second sealing
The edge of plate and the 3rd sealing plate is arranged in three group of first radial groove of the rotary shaft inwall respectively.
Further, pass through between the rotary shaft inwall and the first sealing plate, the second sealing plate and the 3rd sealing plate
Sealing ring is connected, and the outer end of the sealing ring is fastened on inside the first radial groove of rotary shaft inwall.
Further, the sealing ring is the springy rubber ring of tool
Further, the sealing ring is inner is provided with the second radial groove, first sealing plate, the second sealing plate and the
The edge of three sealing plates is fastened in the second radial groove of three sealing rings respectively.
Further, the lubricating cup is provided with graduated scale, and the lubricating cup upper end is additionally provided with tank filler sleeve.
Further, the top of the lubricating cup is provided with dust cap.
Further, in addition to located at body base base, be bolted to connection between the valve body and base,
Quakeproof rubber pad is provided between the valve body and base.
Further, the body base is provided with groove, and the quakeproof rubber pad is located inside grooves, the quakeproof rubber pad
Thickness is more than the height of groove so that quakeproof rubber pad is in contact with base.
Compared with prior art, the utility model has the advantage of：The utility model is pressurizeing when sealing goes wrong
During medium, pumped (conveying) medium is pressed into outside oil cylinder by pressure, and the oil pressure in oil cylinder is entered in lubricating cup, the fluid position in lubricating cup
It can raise, now staff can judge whether sealing is revealed according to liquid level oily in lubricating cup, can pinpoint the problems in time,
In order to repair；And the utility model structure design is simple, large-scale promotion use is especially suitable for.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the overall structure diagram of high-low pressure switching valve described in the utility model.
Fig. 2 is the profile of the rotating driving device bottom of high-low pressure switching valve described in the utility model.
Fig. 3 is another angular profile of the rotating driving device bottom of high-low pressure switching valve described in the utility model.
Description of reference numerals：Valve body -1, rotary shaft -2, rotating driving device -3, the first sealing plate -4, the second sealing plate -
5th, the 3rd sealing plate -6, lubricating cup -7, tank filler sleeve -71, dust cap -72, oil spill pipe -8, sealing ring -9, base -10, bolt -11,
Quakeproof rubber pad -12, groove -13, material inlet -14.
Embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear and definite so as to be made to the scope of protection of the utility model
Define.
Refering to shown in Fig. 1-Fig. 3, the utility model provides a kind of high-low pressure switching valve, including valve body 1, in the valve body 1
Portion is provided with rotary shaft 2, and the rotary shaft 2 is hollow-core construction, and the top of rotary shaft 2, which is provided with, to be used to drive the rotary shaft 2 to rotate forward
Or the rotating driving device 3 of reversion, the medium position of the rotary shaft 2 is provided with first material entrance 14 and first material exports,
The middle part of the valve body 1 is respectively equipped with second material entrance and second material outlet；Under normality, the first thing of the rotary shaft 2
Expect that the second material entry position of entrance 14 and valve body 1 is corresponding, the first material outlet of the rotary shaft 2 and the second of valve body 1
Material outlet position correspondence, after rotary shaft 2 rotates to an angle, the first material entrance 14 of rotary shaft 2 and the second of valve body 1
Material inlet horizontal level staggers, and the first material outlet of rotary shaft 2 and the second material outlet horizontal level of valve body 1 stagger.
The upper end of the first material entrance 14 and first material outlet is provided with the first sealing plate 4 and the second sealing plate 5, institute
The upper end that the first sealing plate 4 is located at the second sealing plate 5 is stated, the lower end that the first material entrance 14 and first material export is provided with
3rd sealing plate 6, first sealing plate 4, the second sealing plate 5 and the 3rd sealing plate 6 are inside rotary shaft 2.
The high-low pressure switching valve also includes the oil mass instruction device connected with rotary shaft.
The oil mass instruction device includes lubricating cup 7, and the lubricating cup 7 is connected by oil spill pipe 8 with rotary shaft 2, the lubricating cup 7
Positioned at the height and position of the outside of valve body 1 and lubricating cup 7 between the first sealing plate 4 and the second sealing plate 5.
Operation principle of the present utility model is, when sealing goes wrong, during pressure medium, pressure, which will convey, to be situated between
The outside oil cylinder of matter press-in, and the oil pressure in oil cylinder is entered in lubricating cup 7, the fluid position in lubricating cup 7 can raise, now staff's meeting
Judge whether sealing is revealed according to liquid level oily in lubricating cup 7, can pinpoint the problems in time, in order to repair.
The inwall of the rotary shaft 1 is provided with three group of first radial groove, first sealing plate 4, the second sealing plate 5 and
The edge of three sealing plates 6 is arranged in three group of first radial groove of the rotary shaft inwall respectively.First radial groove can incite somebody to action
Tightly pin, avoided in pumped (conveying) medium pressure between first sealing plate 4, the second sealing plate 5 and the 3rd sealing plate 6 and rotary shaft 2
Lower sealing plate shifts, and reveals.
Pass through sealing ring between the inwall of rotary shaft 2 and the first sealing plate 4, the second sealing plate 5 and the 3rd sealing plate 6
9 connections, the outer end of the sealing ring 9 is fastened on inside the first radial groove of the inwall of rotary shaft 2.
Preferably, the sealing ring 9 is has a springy rubber ring, the elastic force of rubber ring be advantageous to strengthen rotary shaft and
Sealing property between sealing plate.
The sealing ring 9 is inner to be provided with the second radial groove, first sealing plate 4, the second sealing plate 5 and the 3rd sealing
The edge of plate 6 is fastened in the second radial groove of three sealing rings 9 respectively.Second radial groove can be by the first sealing plate 4,
Two sealing plates 5 and the 3rd sealing plate 6 tightly pin, and avoid the sealing plate under pumped (conveying) medium pressure from shifting, it is close to influence equipment
Sealing property.
The lubricating cup 7 is provided with graduated scale, and graduated scale is easy to the liquid level of accurately concern Seal Oil more directly perceived, when close
When the liquid level of oil sealing occurs abnormal, it can pinpoint the problems early.
Preferably, the upper end of lubricating cup 7 is additionally provided with tank filler sleeve 71, can be close to equipment filling as desired by tank filler sleeve
Oil sealing.
Preferably, the top of the lubricating cup 7 is provided with dust cap 72, the dust cap 72 avoids dust from entering lubricating cup 71
In, while avoid oil from being volatized into air, influence to pollute environment.
The utility model may also include the base 10 located at the bottom of valve body 1, and base is used to arrive workbench by valve body is fixed
On.It is fixedly connected between the valve body 1 and base 10 by bolt 11.
Quakeproof rubber pad 12 is provided between the valve body 1 and base 10.High-low pressure conversion or working environment are carried out in valve body 1
When vibrations are very big, quakeproof rubber pad 12 can be used for alleviating damage of the vibrations to valve body 1.
The bottom of valve body 1 is provided with groove, and the quakeproof rubber pad 12 is located inside grooves, the thickness of the quakeproof rubber pad 12
More than groove height so that quakeproof rubber pad 12 is in contact with base 10.The elastic force of quakeproof rubber pad 12 can alleviate vibrations to valve body
1 damage, and the thickness of quakeproof rubber pad 12 exceedes groove height, between base 10 and valve body 1 after bolt tightening, quakeproof rubber pad 12
Sealing function can be played simultaneously.
The utility model structure design is simple, is especially suitable for large-scale promotion use.
The advantages of general principle of the present utility model, principal character and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, retouching in above-described embodiment and specification
Preference only of the present utility model is stated, the utility model is not limited by above-mentioned preference, is not departing from the utility model
On the premise of spirit and scope, the utility model can also have various changes and modifications, and these changes and improvements both fall within this practicality
In new claimed scope.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (10)
1. a kind of high-low pressure switching valve, including valve body, the valve inner is provided with rotary shaft, and the rotary shaft is hollow-core construction,
The rotary shaft top is provided with the rotating driving device for being used for driving the rotary shaft forward or reverse, it is characterised in that：The rotation
The medium position of rotating shaft is provided with first material entrance and first material exports, and being respectively equipped with second material in the middle part of the valve body enters
Mouth and second material outlet；Under normality, the first material entrance of the rotary shaft and the second material entry position of valve body are corresponding,
The first material outlet of the rotary shaft is corresponding with the second material outlet port of valve body, after rotary shaft rotates to an angle,
The first material entrance of rotary shaft and the second material entrance horizontal level of valve body stagger, the first material outlet of rotary shaft and valve
The second material outlet horizontal level of body staggers；
The upper end of the first material entrance and first material outlet is provided with the first sealing plate and the second sealing plate, and described first is close
Shrouding is located at the upper end of the second sealing plate, and the lower end that the first material entrance and first material export is provided with the 3rd sealing plate,
First sealing plate, the second sealing plate and the 3rd sealing plate are located at interior of rotating shaft；The high-low pressure switching valve also includes
The oil mass instruction device connected with rotary shaft.
2. high-low pressure switching valve according to claim 1, it is characterised in that：The oil mass instruction device includes lubricating cup, institute
State lubricating cup to connect with rotary shaft by oil spill pipe, the lubricating cup is located at the height and position of valve body outside and lubricating cup positioned at the first sealing
Between plate and the second sealing plate.
3. high-low pressure switching valve according to claim 1, it is characterised in that：The inwall of the rotary shaft is provided with three group first
Radial groove, the edge of first sealing plate, the second sealing plate and the 3rd sealing plate are arranged in the rotary shaft inwall respectively
Three group of first radial groove in.
4. high-low pressure switching valve according to claim 2, it is characterised in that：The rotary shaft inwall and the first sealing plate,
Connected between second sealing plate and the 3rd sealing plate by sealing ring, the outer end of the sealing ring is fastened on rotary shaft inwall
Inside first radial groove.
5. high-low pressure switching valve according to claim 4, it is characterised in that：The sealing ring is the springy rubber of tool
Circle.
6. high-low pressure switching valve according to claim 4, it is characterised in that：The sealing ring is inner radially recessed provided with second
Groove, the edge of first sealing plate, the second sealing plate and the 3rd sealing plate are fastened on the second radial direction of three sealing rings respectively
In groove.
7. high-low pressure switching valve according to claim 2, it is characterised in that：The lubricating cup is provided with graduated scale, described
Lubricating cup upper end is additionally provided with tank filler sleeve.
8. high-low pressure switching valve according to claim 2, it is characterised in that：The top of the lubricating cup is provided with dust cap.
9. high-low pressure switching valve according to claim 1, it is characterised in that：Also include the base located at body base, institute
State and be bolted to connection between valve body and base, quakeproof rubber pad is provided between the valve body and base.
10. high-low pressure switching valve according to claim 9, it is characterised in that：The body base is provided with groove, described anti-
Shake rubber cushion is located inside grooves, and the thickness of the quakeproof rubber pad is more than the height of groove so that quakeproof rubber pad is in contact with base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720034321.2U CN206723504U (en) | 2017-01-11 | 2017-01-11 | A kind of high-low pressure switching valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720034321.2U CN206723504U (en) | 2017-01-11 | 2017-01-11 | A kind of high-low pressure switching valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206723504U true CN206723504U (en) | 2017-12-08 |
Family
ID=60500185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720034321.2U Active CN206723504U (en) | 2017-01-11 | 2017-01-11 | A kind of high-low pressure switching valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206723504U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763905A (en) * | 2017-01-11 | 2017-05-31 | 润英聚合机械制造（沈阳）有限公司 | A kind of high-low pressure switching valve |
-
2017
- 2017-01-11 CN CN201720034321.2U patent/CN206723504U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763905A (en) * | 2017-01-11 | 2017-05-31 | 润英聚合机械制造（沈阳）有限公司 | A kind of high-low pressure switching valve |
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