CN201615286U - Pneumatic thin film cutting valve - Google Patents
Pneumatic thin film cutting valve Download PDFInfo
- Publication number
- CN201615286U CN201615286U CN2009202016475U CN200920201647U CN201615286U CN 201615286 U CN201615286 U CN 201615286U CN 2009202016475 U CN2009202016475 U CN 2009202016475U CN 200920201647 U CN200920201647 U CN 200920201647U CN 201615286 U CN201615286 U CN 201615286U
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- CN
- China
- Prior art keywords
- valve body
- cavity
- valve
- boss
- valve core
- 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.)
- Expired - Fee Related
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- Multiple-Way Valves (AREA)
Abstract
The utility model discloses a pneumatic thin film cutting valve, which comprises a valve core, wherein an inner valve body is sleeved on the valve core, a cavity is arranged in the inner valve body, the valve core is provided with a boss, the boss is arranged in the cavity, the boss and the inner wall of the cavity is provided with a gap, and the top portion of the inner valve body is provided with a fastener. Because of using the technical solution, the valve core is sleeved with the inner valve body, the valve core is provided with the boss, fluids are filled in the cavity of the inner valve body, the boss of the valve core moves in the cavity to lead the fluids in the cavity of the inner cavity body to pass through the gap of the boss and the inner wall of the cavity, thereby buffering compact force of fluids in a lower valve body to the valve core, preventing from vigorous collision with the lower valve body, leading the valve core not to be easily damaged, and greatly prolonging the service life of an one-way valve.
Description
Technical field
The utility model relates to a kind of air bladder cut-off valve.
Background technique
Common air bladder cut-off valve all is to comprise upper valve body, following valve body, spool, comes poppe tvalve core by the action partly of the air bladder in the upper valve body, thus the control blocking-up and the conducting of valve body inner fluid down.Fluid reflux process speed is fast, without any buffering, impact force to spool is big, make spool and following valve body produce sharp impacts, long like this collision repeatedly can cause the wearing and tearing of spool end, just causes the leakage of air bladder cut-off valve after the spool end wearing and tearing, makes it ineffective, cause damage, had a strong impact on the working life of air bladder cut-off valve.This has become the serious problems in restriction air bladder cut-off valve working life, and the life-span of the instrument that also has influence on pipeline and pipeline and connected.
The model utility content
Technical problem to be solved in the utility model provides a kind of air bladder cut-off valve, and the spool buffering is fallen, and avoids and following valve body sharp impacts, makes spool not fragile, can increase the service life.
For solving the problems of the technologies described above, the utility model adopts following technological scheme: the air bladder cut-off valve, comprise spool, described valve core upper sleeve is provided with inner valve body, described inner valve body has a cavity, and described spool is provided with boss, and described boss is located in the described cavity, described boss and described cavity inner wall leave the gap, and described inner valve body top is provided with fastening piece.
Described fastening piece is a nut.
Be provided with waterproof washer between described nut and the described inner valve body.
The utility model is owing to adopted technique scheme, valve core upper sleeve is provided with inner valve body, spool is provided with boss, full of liquid in the cavity of inner valve body, the boss of spool moves the gap that the liquid make in the cavity of inner valve body leaves by boss and described cavity inner wall in cavity, thereby make down the interior fluid of valve body obtain buffering to the impact force of spool, avoided sharp impacts with following valve body, make spool not fragile, prolong the working life of one-way valve greatly, and also prolonged the life-span of the instrument that pipeline and pipeline connected.
Description of drawings
Fig. 1 is the structural representation of the utility model air bladder cut-off valve.
Fig. 2 is the schematic representation of valve body on state under the utility model air bladder cut-off valve.
Fig. 3 is the schematic representation of valve body blocking state under the utility model air bladder cut-off valve.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is further described.
Figure 1 shows that the utility model air bladder cut-off valve, comprise spool 1, be arranged with inner valve body 2 on the described spool 1, described inner valve body 2 has a cavity 21, described spool 1 is provided with boss 11, described boss 11 is located in the described cavity 21, and described boss 11 leaves gap 3 with described cavity 21 inwalls, and described inner valve body 2 tops are provided with nut 4.Be provided with waterproof washer 5 between described nut 4 and the described inner valve body 2.
Figure 2 shows that valve body on state under the utility model air bladder cut-off valve, when spool falls after rise, change following valve body blocking state shown in Figure 3 into, wherein arrow points is the flow direction of the fluid in the following valve body 6, the boss of spool moves the gap that the liquid make in the cavity of inner valve body leaves by boss and described cavity inner wall in cavity, thereby make down the interior fluid of valve body obtain buffering to the impact force of spool, avoided sharp impacts with following valve body, make spool not fragile, prolonged the working life of one-way valve greatly.
Claims (3)
1. air bladder cut-off valve, comprise spool (1), it is characterized in that: be arranged with inner valve body (2) on the described spool (1), described inner valve body (2) has a cavity (21), described spool (1) is provided with boss (11), described boss (11) is located in the described cavity (21), and described boss (11) leaves gap (3) with described cavity (21) inwall, and described inner valve body (2) top is provided with fastening piece.
2. according to the described air bladder cut-off valve of claim 1, it is characterized in that: described fastening piece is nut (4).
3. according to the described air bladder cut-off valve of claim 2, it is characterized in that: be provided with waterproof washer (5) between described nut (4) and the described inner valve body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202016475U CN201615286U (en) | 2009-12-10 | 2009-12-10 | Pneumatic thin film cutting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202016475U CN201615286U (en) | 2009-12-10 | 2009-12-10 | Pneumatic thin film cutting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201615286U true CN201615286U (en) | 2010-10-27 |
Family
ID=43001655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202016475U Expired - Fee Related CN201615286U (en) | 2009-12-10 | 2009-12-10 | Pneumatic thin film cutting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201615286U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526206A (en) * | 2016-01-28 | 2016-04-27 | 衢州学院 | Cone valve with squeeze oil film buffering |
-
2009
- 2009-12-10 CN CN2009202016475U patent/CN201615286U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105526206A (en) * | 2016-01-28 | 2016-04-27 | 衢州学院 | Cone valve with squeeze oil film buffering |
| CN105526206B (en) * | 2016-01-28 | 2018-07-03 | 衢州学院 | A kind of cone valve with squeeze film buffering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101027 Termination date: 20101210 |