CN209587154U - A kind of Pneumatic valve - Google Patents
A kind of Pneumatic valve Download PDFInfo
- Publication number
- CN209587154U CN209587154U CN201920157910.9U CN201920157910U CN209587154U CN 209587154 U CN209587154 U CN 209587154U CN 201920157910 U CN201920157910 U CN 201920157910U CN 209587154 U CN209587154 U CN 209587154U
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- CN
- China
- Prior art keywords
- cylinder body
- piston plate
- spool
- cylinder cap
- valve seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of Pneumatic valves, it is intended to provide a kind of Pneumatic valve of stable adjusting pressure, its key points of the technical solution are that including cylinder body and cylinder cap, accommodating chamber is equipped with inside the cylinder cap, venthole is provided on cylinder cap, piston plate is equipped between accommodating chamber and cylinder body, clearance fit between piston plate and cylinder body, elastomer is equipped between piston plate and cylinder cap, accommodating chamber is separated into two not connected cavitys by elastomer, push rod is connected on piston plate, cylinder body is equipped with opening away from one end of cylinder cap, push rod is pierced by opening, spool and valve seat are equipped in connector sleeve, valve seat is located at connector sleeve end, valve seat center line is equipped with limbers, spool withstands limbers, push rod withstands spool, sealing is kept between spool and valve seat.Air pump pushes piston plate linear movement, and piston plate drives push rod to withstand spool, and spool and valve seat is made to keep sealing, and water generates pressure to spool by valve seat inner hole, and hydraulic pressure and piston plate thrust keep balancing.
Description
Technical field
The utility model belongs to slide valve field more particularly to a kind of Pneumatic valve.
Background technique
Currently, the Chinese patent of Publication No. CN100567782C discloses a kind of Pneumatic valve, including it is valve body, spool, preceding
End cap and rear end cap offer fluid inlet and outlet on the two sidewalls of valve body, offer gas respectively on drive end bearing bracket and rear end cap
Hole, spool have first end, the second end and close portion, first end, the second end and close portion respectively with valve body
Inner wall mutually seal cooperation, first end, valve body and drive end bearing bracket surround the first gas chamber, the second end, valve body and rear end cap
The second gas chamber is surrounded, close portion, the second end and valve body surround third gas chamber, the first gas chamber, the second gas chamber and third gas chamber
Between phase hermetic seal；The area of the front end face of first end is less than the area of the rear end face of the second end, before the first gas chamber passes through
Stomata on end cap is connected with gas circuit is resetted, and the second gas chamber is connected by the stomata on rear end cap with control gas circuit.
This gas control valve arrangement is simple, and pressure control is unstable.
Utility model content
The purpose of the utility model is to provide a kind of Pneumatic valves.It has the advantages that adjusting pressure that can be stable.
The purpose of the utility model can be achieved through the following technical solutions:
A kind of Pneumatic valve, including cylinder body and cylinder cap, the cylinder cap are fixedly connected with cylinder body, are equipped with and are accommodated inside the cylinder cap
Chamber is provided with venthole on cylinder cap, is equipped with piston plate between the accommodating chamber and cylinder body, clearance fit between piston plate and cylinder body,
Elastomer is equipped between the piston plate and cylinder cap, accommodating chamber is separated into two not connected cavitys, institute by the elastomer
It states and is connected with push rod on piston plate, the cylinder body is equipped with opening away from one end of cylinder cap, and push rod is pierced by opening, wraps on the push rod
It is wrapped with connector sleeve, swivel nut is equipped between the connector sleeve and cylinder body, is equipped with spool and valve seat, the valve seat position in the connector sleeve
In connector sleeve end, valve seat center line is equipped with limbers, and spool withstands limbers, and push rod withstands spool, spool and valve seat it
Between keep sealing.
Preferably, the elastomer is elastic rubber, and the elastic rubber is clipped between cylinder cap and cylinder body, and elastic rubber
One section of bending side is equipped in accommodating chamber, the bending side is between piston plate and cylinder body, the elastic rubber interlude and work
Plug disk ground is bonded to each other.
Preferably, one be clipped between cylinder cap and cylinder body section elastic rubber is equipped with protrusion, and the cylinder body is equipped with
Groove engaged therewith, protrusion cooperate with groove.
Preferably, spring is equipped between the cylinder body and piston plate, the spring and push rod are coaxially disposed.
Preferably, piston guide bush is equipped between the cylinder body and piston plate.
Preferably, dust-proof seal ring is equipped between the piston guide bush and cylinder body.
Preferably, the cylinder cap is fixedly connected with cylinder body by screw.
The utility model has the beneficial effects that
By using above-mentioned technical proposal, air pump is directed at the venthole inflation of cylinder cap, and gas is blown on elastomer, elastomer
Piston plate linear movement, compressed spring are pushed, piston plate drives push rod to withstand spool, makes spool and valve seat keep sealing, water flowing
Water in hole generates pressure to spool by valve seat inner hole, and hydraulic pressure and piston plate thrust keep balancing, adjusting pressure that can be stable
Power.
Detailed description of the invention
Fig. 1 is whole section attachment structure schematic diagram.
In figure,
1, cylinder body；2, cylinder cap；3, accommodating chamber；4, piston plate；5, elastomer；6, push rod；7, connector sleeve；8, swivel nut；9, valve
Core；10, valve seat；11, limbers；12, venthole；13, raised；14, groove；15, spring；16, piston guide bush；17, dust-proof close
Seal；18, screw；
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment 1: a kind of Pneumatic valve, as shown in Figure 1, including cylinder body 1 and cylinder cap 2, the cylinder cap 2 and cylinder body 1, which are fixed, to be connected
It connects, accommodating chamber 3 is equipped with inside the cylinder cap 2, is provided with venthole 12 on cylinder cap 2, is equipped with and lives between the accommodating chamber 3 and cylinder body 1
Disk 4 is filled in, clearance fit between piston plate 4 and cylinder body 1 is equipped with elastomer 5, the elastomer between the piston plate 4 and cylinder cap 2
5 accommodating chambers 3 are separated into two not connected cavitys, and push rod 6 is connected on the piston plate 4, and the cylinder body 1 deviates from cylinder cap
2 one end is equipped with opening, and push rod 6 is pierced by opening, connector sleeve 7 is enclosed on the push rod 6, between the connector sleeve 7 and cylinder body 1
Equipped with swivel nut 8, it is equipped with spool 9 and valve seat 10 in the connector sleeve 7, the valve seat 10 is located at 7 end of connector sleeve, 10 center of valve seat
Line is equipped with limbers 11, and spool 9 withstands limbers 11, and push rod 6 withstands spool 9, and sealing is kept between spool 9 and valve seat 10.
The elastomer 5 is elastic rubber, and the elastic rubber is clipped between cylinder cap 2 and cylinder body 1, and elastic rubber is holding
Chamber 3 of receiving is interior to be equipped with one section of bending side, and the bending side is between piston plate 4 and cylinder body 1, the elastic rubber interlude and piston
4 ground of disk is bonded to each other.
One be clipped between cylinder cap 2 and cylinder body 1 section elastic rubber be equipped with protrusion 13, the cylinder body 1 be equipped with
Its groove 14 cooperated, protrusion 13 cooperate with groove 14.
Spring 15 is equipped between the cylinder body 1 and piston plate 4, the spring 15 is coaxially disposed with push rod 6.
Piston guide bush 16 is equipped between the cylinder body 1 and piston plate 4.
Dust-proof seal ring 17 is equipped between the piston guide bush 16 and cylinder body 1.
Cylinder cap 2 is fixedly connected with cylinder body 1 by screw 18.
By using above-mentioned technical proposal, the venthole 12 that air pump is directed at cylinder cap 2 is inflated, and gas is blown on elastomer 5, bullet
Property body 5 push 4 linear movement of piston plate, compressed spring 15, piston plate 4 drive push rod 6 withstand spool 9, make spool 9 and valve seat 10
Sealing is kept, the water in limbers 11 generates pressure to spool 9 by 10 inner hole of valve seat, and hydraulic pressure and 4 thrust of piston plate keep flat
Weighing apparatus, adjusting pressure that can be stable.
It should be noted that term " center ", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outside" etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model
It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure
It makes and operates, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third " are only used for
Purpose is described, relative importance is not understood to indicate or imply.
Finally, it should be noted that above embodiments are only to illustrate rather than limit the technical solution of the utility model, although
The utility model is described in detail referring to above-described embodiment, those skilled in the art should understand that: still may be used
To be modified or replaced equivalently to the utility model, without departing from the spirit and scope of the utility model, and appended right
It is required that being intended to these modifications fallen into spirit and scope of the invention or equivalent replacement.
Claims (7)
1. a kind of Pneumatic valve, it is characterised in that: including cylinder body (1) and cylinder cap (2), the cylinder cap (2) and the fixed company of cylinder body (1)
It connects, is provided on cylinder cap (2) venthole (12), accommodating chamber (3), the accommodating chamber (3) and cylinder body are equipped with inside the cylinder cap (2)
(1) piston plate (4) are equipped between, clearance fit between piston plate (4) and cylinder body (1), the piston plate (4) and cylinder cap (2) it
Between be equipped with elastomer (5), accommodating chamber (3) is separated into two not connected cavitys, the piston plate by the elastomer (5)
(4) it is connected on push rod (6), the cylinder body (1) is equipped with opening away from the one end of cylinder cap (2), and push rod (6) is pierced by opening, described
It is enclosed on push rod (6) connector sleeve (7), is equipped with swivel nut (8) between the connector sleeve (7) and cylinder body (1), the connector sleeve (7)
Interior to be equipped with spool (9) and valve seat (10), the valve seat (10) is located at connector sleeve (7) end, and valve seat (10) center line is equipped with logical
Water hole (11), spool (9) are withstood limbers (11), and push rod (6) is withstood spool (9), keep close between spool (9) and valve seat (10)
Envelope.
2. a kind of Pneumatic valve according to claim 1, it is characterised in that: the elastomer (5) is elastic rubber, the bullet
Property rubber be clipped between cylinder cap (2) and cylinder body (1), and elastic rubber is equipped with one section of bending side, the bending in the accommodating chamber (3)
Between piston plate (4) and cylinder body (1), the elastic rubber interlude is bonded to each other with piston plate (4) ground in face.
3. a kind of Pneumatic valve according to claim 2, it is characterised in that: described to be clipped between cylinder cap (2) and cylinder body (1)
One section of elastic rubber is equipped with raised (13), and the cylinder body (1) is equipped with groove engaged therewith (14), raised (13) and groove
(14) it cooperates.
4. a kind of Pneumatic valve according to claim 3, it is characterised in that: be equipped between the cylinder body (1) and piston plate (4)
Spring (15), the spring (15) and push rod (6) are coaxially disposed.
5. a kind of Pneumatic valve according to claim 4, it is characterised in that: be equipped between the cylinder body (1) and piston plate (4)
Piston guide bush (16).
6. a kind of Pneumatic valve according to claim 5, it is characterised in that: between the piston guide bush (16) and cylinder body (1)
Equipped with dust-proof seal ring (17).
7. a kind of Pneumatic valve according to claim 6, it is characterised in that: the cylinder cap (2) and cylinder body (1) pass through screw
(18) it is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920157910.9U CN209587154U (en) | 2019-01-29 | 2019-01-29 | A kind of Pneumatic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920157910.9U CN209587154U (en) | 2019-01-29 | 2019-01-29 | A kind of Pneumatic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209587154U true CN209587154U (en) | 2019-11-05 |
Family
ID=68381435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920157910.9U Active CN209587154U (en) | 2019-01-29 | 2019-01-29 | A kind of Pneumatic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209587154U (en) |
-
2019
- 2019-01-29 CN CN201920157910.9U patent/CN209587154U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Air control valve Effective date of registration: 20220419 Granted publication date: 20191105 Pledgee: Bank of Jiangsu Limited by Share Ltd. Wuxi branch Pledgor: Wuxi Lingchang Machinery Manufacturing Co.,Ltd. Registration number: Y2022990000215 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |