CN206988496U - A kind of air compressor minimum pressure valve - Google Patents
A kind of air compressor minimum pressure valve Download PDFInfo
- Publication number
- CN206988496U CN206988496U CN201720956849.5U CN201720956849U CN206988496U CN 206988496 U CN206988496 U CN 206988496U CN 201720956849 U CN201720956849 U CN 201720956849U CN 206988496 U CN206988496 U CN 206988496U
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- China
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- spring
- valve element
- valve body
- valve
- passage
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Abstract
It the utility model is related to pressure valve field, a kind of air compressor minimum pressure valve is specifically disclosed, including valve body, valve element, spring capping and spring, valve body is provided with air inlet and gas outlet, valve element is arranged at the connectivity part of air inlet and venthole, valve element is provided with spring, and spring is compressed to form spring cavity by being pressed in the spring capping of valve body surface, and hexagonal bleeder port is offered on spring capping.The utility model can keep stable system pressure in system operation, it is ensured that the normal circulation flowing of coolant, ensure the runnability and effect of machine.Overall structure is simple, and the hexagonal bleeder port on spring capping has installation, regulation, exhaled, the multi-functional effect of air-breathing, and assembling and system pressure regulation can be carried out with inner hexagon spanner.
Description
Technical field
It the utility model is related to pressure valve field, and in particular to a kind of air compressor minimum pressure valve.
Background technology
On most of air compressors, minimum pressure valve has two effects：1st, when machine is within loading moment, machine
Part all will be added on separator from preceding with separating rear caused big pressure difference, causes the injury to separator core, thus is set
Minimum pressure valve is to play cushioning effect；2nd, machine oil lubrication is carried out by the pressure differential of machine in itself, without extra oil pump
Auxiliary, when machine is in Light Condition, still needs to certain pressure and maintain oil circulation, so air intake valve is relatively closed, and minimum pressure
Power valve prevents pressure leakage, so ensures lubrication oil circulation.Existing minimum pressure valve generally only has single Opening pressure to set
Definite value, it is unadjustable so that and the working pressure range of air compressor is limited, and applicable situation is limited, and minimum pressure valve
Internal structure is more complicated, it is necessary to redesign.
Utility model content
The utility model is in view of the above-mentioned problems, provide a kind of adjustable pressure, the simpler air compressor of structure most
Small pressure valve.
The purpose of this utility model can be realized by following technical proposals：A kind of air compressor minimum pressure
Valve, including valve body, valve element, spring capping and spring；
The valve body is in cylindrical sleeve, and the end face place placed in the middle of valve body offers air admission hole, offered in valve body it is straight,
The rounded passage in section, one end of the passage are connected with air admission hole, and the other end of passage is passed on the other end of valve body, valve
The side of body forms cylindrical projection, and one end of radial direction and the close passage of the cylindrical projection along valve body is set, and cylinder is convex
The end face place placed in the middle risen offers venthole, and venthole connects with one end of the passage；
The valve element is arranged in passage, and valve element is in cylindrical sleeve, the diameter of the valve element and diameter of passage matches and valve
The length of core is more than the diameter of venthole, and the end face of valve element is against in the end-face wall of one end of the passage, and the one of the valve element
There is a first annular groove end face along edge, is provided with sealing gasket in first annular groove, circumferentially arranged with second on the side of valve element
Annular groove, the second annular groove are set close to the other end of valve element, and sealing ring, the other end of valve element are provided with the second annular groove
Locate to insert hole provided with the first spring between two parties；
The spring capping press-in is fixed in the other end of the valve body, and the end face place placed in the middle of spring capping is provided with
The corresponding second spring in hole is inserted with the first spring and inserts hole, and the other end of spring capping and the other end of valve body are held
Flat, spring capping interior edge axis is provided with the hexagonal bleeder port of insertion both ends of the surface；
The both ends of the spring are butted on that the first spring inserts hole and second spring is inserted in hole respectively.
The utility model has the advantage of：When the internal system operating pressure of air compressor reaches authorized pressure, valve
Core moves up under the pressure effect of air admission hole along passage, air admission hole is outwards arranged by venthole with being connected inside venthole
Gas, exhaust flow area increase, improves exhaust velocity, reduces machine internal system pressure.When air inlet pore pressure force declines,
Valve element moves down under the elastic force effect of spring, and exhaust flow area reduces, and reduces exhaust velocity, improves inside machine
System pressure.It is high and low regardless of gas outlet pressure during whole service, it can be kept all the time inside machine system stable
System pressure, it is ensured that the normal circulation flowing of coolant, ensure the runnability and effect of machine.Overall structure is simple, bullet
Hexagonal bleeder port on spring gland has installation, regulation, exhaled, the multi-functional effect of air-breathing, can be entered with inner hexagon spanner
Luggage is matched somebody with somebody and system pressure regulation.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Marked in figure as follows：
1 valve body, 2 air admission holes, 3 passages, 4 cylindrical projections, 5 ventholes, 6 valve elements, 7 sealing gaskets, 8 sealing rings, 9 spring pressures
Lid, 10 hexagonal bleeder ports, 11 springs.
Embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with accompanying drawing, becomes apparent from those skilled in the art
Ground understands how to put into practice the utility model.Although describing the utility model with reference to its preferred embodiment, these
Embodiment simply illustrates, rather than limitation the scope of the utility model.
Referring to Fig. 1, a kind of air compressor minimum pressure valve, including valve body 1, valve element 6, spring capping 9 and spring 11.
The valve body 1 is in cylindrical sleeve, and the end face place placed in the middle of valve body 1 offers air admission hole 2, pen is offered in valve body 1
The passage 3 straight, section is rounded, one end of the passage 3 connect with air admission hole 2, and the other end of passage 3 passes to the another of valve body 1
On end face, the side of valve body 1 forms cylindrical projection 4, radial direction and the close passage 3 of the cylindrical projection 4 along valve body 1
One end is set, and the end face place placed in the middle of cylindrical projection 4 offers venthole 5, and venthole 5 connects with one end of the passage 3.
The valve element 6 is arranged in passage 3, and valve element 6 is in cylindrical sleeve, and the diameter of the diameter and passage 3 of valve element 6 matches
And the length of valve element 6 is more than the diameter of venthole 5, the end face of valve element 6 is against in the end-face wall of one end of the passage 3, should
The end face of valve element 6 has a first annular groove along edge, is provided with sealing gasket 7 in first annular groove, along week on the side of valve element 6
Set to provided with the second annular groove, the second annular groove close to the other end of valve element 6, sealing ring 8, valve are provided with the second annular groove
Locate to insert hole provided with the first spring between two parties in the other end of core 6.
The press-in of spring capping 9 is fixed in the other end of the valve body 1, and the end face of spring capping 9 is located between two parties
Hole, the other end of spring capping 9 and the other end of valve body 1 are inserted provided with the corresponding second spring in hole is inserted with the first spring
Face maintains an equal level, and the interior edge axis of spring capping 9 is provided with the hexagonal bleeder port 10 of insertion both ends of the surface.
The both ends of the spring 11 are butted on that the first spring inserts hole and second spring is inserted in hole respectively, due to the He of valve element 6
The presence of spring capping 9 so that the channel part where spring 11 encloses the chamber of spring 11.
During specific works, when the internal system operating pressure of air compressor reaches authorized pressure, valve element 6 is in air admission hole
Moved up under 2 pressure effect along passage 3, air admission hole 2 is connected with the inside of venthole 5, be outwards vented by venthole 5, arranged
The increase of gas flow area, improves exhaust velocity, reduces machine internal system pressure, now, spring 11 is in contraction state.
Conversely, when the pressure of air admission hole 2 declines, valve element 6 moves down under the elastic force effect of spring 11, and exhaust flow area reduces,
Exhaust velocity is reduced, improves machine internal system pressure.During whole service, no matter the pressure of venthole 5 is high and low such as
What, can keep stable system pressure all the time inside machine system, it is ensured that the normal circulation flowing of coolant, ensure machine
Runnability and effect.
The lower end of valve element 6 is equipped with sealing gasket 7, when valve element 6 is closed, sealing gasket 7 respectively with the passage 3 in valve body 1 one
End-face wall and the side wall contact at end, to ensure the sealing when closed of valve element 6 and buffering effect, ensure the performance of whole valve
And the life-span.Valve element 6 is cylindrical to be equipped with sealing ring 8, to ensure sealing effectiveness of the valve element 6 after unlatching, to prevent compressed air leakage.Bullet
Hexagonal bleeder port 10 is provided with spring gland 9, with ensure the chamber of spring 11 in normal movement of valve element 6 can freely exhale, air-breathing, with
Exempt from the working effect of influence valve element 6.
Meanwhile the mounting hole and adjustment hole of hexagonal bleeder port 10 or spring capping 9, carried out with facilitating with inner hexagon spanner
Assembling and system pressure regulation.When needing height-adjusting system pressure, simultaneously holddown spring gland 9 is rotated clockwise, passes through increasing
The pressure of big spring 11 improves the operating pressure of air admission hole 2, improves system pressure.When needing to reduce system pressure, counterclockwise
Direction rotates and trip spring gland 9, reduces the operating pressure of air admission hole 2 by reducing the pressure of spring 11, reduces system pressure
Power.Hexagonal bleeder port 10 has installation, regulation, exhaled, the multi-functional effect of air-breathing.
It should be pointed out that for the utility model through absolutely proving, can also have a variety of conversion and the implementation of remodeling
Scheme, it is not limited to the specific embodiment of above-mentioned embodiment.Above-described embodiment as just explanation of the present utility model, and
It is not to limitation of the present utility model.In a word, the scope of protection of the utility model should include those for ordinary skill
Obviously convert or substitute and retrofit for personnel, and be determined by the appended claims.
Claims (1)
1. a kind of air compressor minimum pressure valve, it is characterised in that including valve body, valve element, spring capping and spring；
The valve body is in cylindrical sleeve, and the end face place placed in the middle of valve body offers air admission hole, straight, section is offered in valve body
Rounded passage, one end of the passage are connected with air admission hole, and the other end of passage is passed on the other end of valve body, valve body
Side forms cylindrical projection, and one end of radial direction and the close passage of the cylindrical projection along valve body is set, cylindrical projection
End face place placed in the middle offers venthole, and venthole connects with one end of the passage；
The valve element is arranged in passage, valve element is in cylindrical sleeve, and the diameter of valve element and the diameter of passage match and valve element
Length is more than the diameter of venthole, and the end face of valve element is against in the end-face wall of one end of the passage, the end face of the valve element
There is a first annular groove along edge, be provided with sealing gasket in first annular groove, it is annular circumferentially arranged with second on the side of valve element
Groove, the second annular groove are set close to the other end of valve element, are provided with sealing ring in the second annular groove, the other end of valve element is placed in the middle
Hole is inserted provided with the first spring by place；
Spring capping press-in is fixed in the other end of the valve body, and place is provided with and the between two parties for the end face of spring capping
One spring inserts the corresponding second spring in hole and inserts hole, and the other end of spring capping and the other end of valve body maintain an equal level, bullet
Spring gland interior edge axis is provided with the hexagonal bleeder port of insertion both ends of the surface；
The both ends of the spring are butted on that the first spring inserts hole and second spring is inserted in hole respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720956849.5U CN206988496U (en) | 2017-08-02 | 2017-08-02 | A kind of air compressor minimum pressure valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720956849.5U CN206988496U (en) | 2017-08-02 | 2017-08-02 | A kind of air compressor minimum pressure valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206988496U true CN206988496U (en) | 2018-02-09 |
Family
ID=61418305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720956849.5U Expired - Fee Related CN206988496U (en) | 2017-08-02 | 2017-08-02 | A kind of air compressor minimum pressure valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206988496U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577607A (en) * | 2019-02-19 | 2020-08-25 | 上海海立电器有限公司 | Check valve and rotor compressor |
-
2017
- 2017-08-02 CN CN201720956849.5U patent/CN206988496U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577607A (en) * | 2019-02-19 | 2020-08-25 | 上海海立电器有限公司 | Check valve and rotor compressor |
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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: 20180209 Termination date: 20190802 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |