CN205504034U - Novel airtight valve - Google Patents
Novel airtight valve Download PDFInfo
- Publication number
- CN205504034U CN205504034U CN201620066505.2U CN201620066505U CN205504034U CN 205504034 U CN205504034 U CN 205504034U CN 201620066505 U CN201620066505 U CN 201620066505U CN 205504034 U CN205504034 U CN 205504034U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve plate
- valve body
- headstock gear
- seal ring
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- 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
Links
- 238000007789 sealing Methods 0.000 abstract description 23
- 230000006978 adaptation Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 description 11
- 238000005299 abrasion Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 210000000664 rectum Anatomy 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000013475 authorization Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Landscapes
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses a novel airtight valve, its technical scheme main points are novel airtight valve, include the valve body, be used for closed valve valve plate physically, install the headstock gear that is used for opening or closing the valve plate on the valve body, valve plate and valve body looks adaptation, the headstock gear rotates with the valve plate to be connected, fixedly connected with elasticity sealing washer on the perisporium of valve plate, the surface of elasticity sealing washer is provided with the external screw thread, fixedly connected with elastic component on the inner wall of valve body, the internal thread with external screw thread looks adaptation is seted up to the elastic component. The utility model discloses a novel airtight valve's leakproofness is good.
Description
Technical field
This utility model relates to a kind of valve, more specifically, it relates to the sealed valve used in a kind of protection works.
Background technology
Sealed valve industry is the important branch in universal machine, and sealed valve is ingredient important in civil air defense constructions and installations, is mainly used in the cut-out of pipeline medium (water, gas and oil product etc.), throttling, pressure regulation and the change flow direction etc..The quality of sealed valve quality directly affects normal, safe handling and the safeguard function of these devices, and plays vital effect.Currently, putting into operation of national, city's key project, need substantial amounts of valve products matched；The tightness of sealed valve is the important symbol of product quality, but the sealing structure that existing link-type sealed valve generally uses is: the external diameter at valve plate is coated with sealing ring, when valve plate is closed, make between valve plate and valve body, to ensure good sealing by sealing ring, but the frequent opening and closing of sealed valve can cause and occur abrasion to cause gap therebetween to increase between valve plate and valve body, when abrasion reaches to a certain degree, pipeline medium (water, gas and oil product etc.) can leak from gap location.
nullIn prior art，If Authorization Notice No. is the Chinese patent of CN202381821U，Which describe a kind of link-type sealed valve，Including valve body、Valve plate and pitman shaft，Two coaxial axis holes it are machined with on valve body，Two axis holes of pitman shaft and valve body are slidably matched，Double link is fixed on pitman shaft，Double link and valve plate connect，The outer radius cladding valve plate sealing ring of valve plate，It is coated with the airtight circle of pitman shaft at pitman shaft and the axostylus axostyle of the junction of two axis holes of valve body，Structure is sealed by improving connecting rod shaft type sealed valve，The outer radius cladding valve plate sealing ring of valve plate again，It is coated with the airtight circle of pitman shaft at the pitman shaft axostylus axostyle with the junction of two axis holes of valve body，It is greatly improved sealing effectiveness，Improve the service life of valve，But the wear problem between valve plate and valve body is not made improvement by the program，Abrasion between valve plate and valve body still can cause gap to become big，Sealing is deteriorated，Certainly also there are other improvement projects made for sealing，If Authorization Notice No. is the Chinese patent of CN202756636U，It increases its sealing by the paint of anticorrosion with painting on sealing ring and valve plate，But paint still can be worn，Sealing after abrasion still can be very poor，It is thus desirable to provide new technical scheme to solve this problem.
Utility model content
The deficiency existed for prior art, the purpose of this utility model is to provide the Novel closed valve of a kind of good airproof performance.
For achieving the above object, this utility model provides following technical scheme: a kind of Novel closed valve, including valve body, for closing the valve plate of valve body, headstock gear for opening or closing valve plate is installed on described valve body, described valve plate is suitable with valve body, described headstock gear is rotationally connected with valve plate, it is fixedly connected with elastic seal ring on the perisporium of described valve plate, the surface configuration of described elastic seal ring has external screw thread, being fixedly connected with elastic component on the inwall of described valve body, described elastic component offers the female thread suitable with external screw thread.
Pass through technique scheme, the perisporium of valve plate fixedly mounts elastic seal ring, the inwall of valve body fixedly mounts elastic component, and it is suitable with the external screw thread of elastic seal ring to offer female thread on elastic component, so when needs Guan Bi valve plate, because valve plate is rotationally connected with headstock gear, when valve plate is blocked on valve body, being rotated further by valve plate makes the external screw thread of elastic seal ring form sealing with the female thread of elastic component, thus can increase the sealing between valve plate and valve body, pipeline medium (water would not be caused, gas and oil product etc.) occur infiltration to reveal.
Further, described valve body offering groove, described elastic component is fixedly mounted in groove.
Pass through technique scheme, valve body is offered groove, elastic component is arranged in groove, because for the sealing increasing valve plate and valve body, valve plate matches with valve body, the gap between valve plate and valve body now is smaller, can increase the space between valve plate with valve body for making elastic component match with elastic seal ring, and will not interfere with opening of valve plate after offering groove.
Further, the described T-shaped setting of groove, described elastic component is entrenched in groove.
By technique scheme, groove is arranged to the T-shaped connective stability contributing to elastic component, it is not easy to fall off.
Further, described valve plate offering fixing groove, described elastic seal ring is entrenched in fixing groove.
By technique scheme, it is used for ensureing the connective stability of elastic seal ring in elastic seal ring is entrenched in fixing groove, it is not easy to fall off, elastic seal ring can be convenient for changing simultaneously.
Further, the described T-shaped setting of fixing groove, described elastic seal ring is conflicted and is fixed in fixing groove.
Pass through technique scheme, fixing groove is arranged to the T-shaped connective stability coordinating with elastic seal ring and can being further ensured that elastic seal ring, when being enable elastic seal ring by the deformation of self without departing from fixing groove by extraneous extruding force, stability is high.
Further, described valve plate is threadeded with headstock gear.
Pass through technique scheme, valve plate is threadeded with headstock gear and is contributed to preventing rocking of valve plate, because valve plate needs to rotate on headstock gear, rotation process easily rocks and causes poor sealing, stable being rotatably connected on headstock gear of valve plate is made so that it is sealing is unaffected because of the restriction being threaded connection.
Further, described headstock gear has manual link structure.
By technique scheme, manual link architecture is simple, easy to operate, low cost.
Further, described headstock gear has electronic bar linkage structure.
By technique scheme, when electronic bar linkage structure opens and closes, ratio is relatively labor-saving and fast.
Further, described headstock gear has manual double link structure.
By technique scheme, manual double link structure structural strength is high, structural stability is good, and simple in construction low cost.
Further, described headstock gear has electronic double link structure.
By technique scheme, electronic double link structure structural strength is high, good stability, and convenient operation, laborsaving.
Compared with prior art this utility model has an advantage that
One: reduce the connection sealing between valve plate and valve body by the threaded engagement of elastic seal ring and elastic component, such that it is able to stop the infiltration of pipeline medium (water, gas and oil product etc.)；
Its two: elastic seal ring is entrenched on valve plate, and elastic component is entrenched on valve body, and attachment structure intensity is high and will not interfere, and facilitates the keying of valve plate；
Its three: this sealing structure is combined with the sealed valve with various structures, makes the sealed valve of various style all can have higher sealing and connective stability.
Accompanying drawing explanation
Fig. 1 is the structural representation of sealed valve；
Fig. 2 is the sectional view of sealed valve；
Fig. 3 is the A portion enlarged diagram of Fig. 2 in embodiment one；
Fig. 4 is the close-up schematic view in embodiment two.
In figure: 1, valve body；11, groove；2, headstock gear；3, valve plate；31, fixing groove；4, elastic component；5, elastic seal ring.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, this utility model is described in detail.
Embodiment one: as shown in Figure 1, sealed valve is made up of valve body 1, valve plate 3 and headstock gear 2, valve plate 3 is arranged in the latus rectum of valve body 1, and it is installed with headstock gear 2 in the side of valve body 1, headstock gear 2 is connected with valve plate 3, valve plate 3 is made to rotate by the transmission of headstock gear 2, when the relative valve body 1 of valve plate 3 turns to 90 °, the latus rectum of valve body 1 is opened and can circulate, when valve plate 3 turns to be blocked by the latus rectum of valve body 1 completely with making valve plate 3 under the drive of headstock gear 2, now just close sealed valve.
nullThe perisporium of valve plate 3 is installed with elastic seal ring 5，Elastic seal ring 5 can use elastic rubber material，By the way of bonding, elastic seal ring 5 can be fixedly mounted on the perisporium of valve plate 3，The inwall of valve body 1 offers groove 11，Groove 11 encloses around the inwall one of valve body 1，And in groove 11, it is installed with elastic component 4，Elastic component 4 can use elastic rubber material，And elastic component 4 is also to be fixedly mounted in groove 11 by the way of bonding，The height of elastic component 4 is less than the notch of groove 11 simultaneously，External screw thread is offered on the surface of elastic seal ring 2，Female thread is offered on the surface of elastic component 4，This external screw thread matches with female thread，Valve plate 3 is rotatably connected on headstock gear 2 simultaneously，So when headstock gear 2 drives valve plate 3 to turn to close the latus rectum of valve body 1，Elastic seal ring 5 on valve plate 3 is positioned at groove 11 mouthfuls，Now rotational valve plate 3 makes the external screw thread of elastic seal ring 5 threaded with the female thread of elastic component 4，This makes it possible to ensure the sealing between valve plate 3 and valve body 1.
It should be noted that herein, the most do not limit the structure of headstock gear 2, and headstock gear 2 can be only the link-type sealed valve with manual link structure general on market, opens or closes valve plate by pulling handle, relatively simple for structure, low cost；Can also use by the electronic link-type sealed valve of driven by motor, motor makes valve plate rotate by the power output of rotating shaft to open and close, and so setting is the most laborsaving, and action is rapider；Headstock gear 2 can certainly be configured with the sealed valve of manual double link structure, and its concrete structure is referred to the Chinese patent of Patent No. CN201475355U, and such structural strength is high, and service life is long；Same can also be arranged to by the sealed valve of the double link structure of driven by motor by headstock gear 2, and these above-mentioned headstock gear 2 structures are the basic structure commonly used in prior art, the most too much repeat.
nullEmbodiment two: as shown in Figure 4，It is to offer the fixing groove 31 of T-shaped setting on the perisporium of valve plate 3 with the difference of embodiment one，The end of elastic seal ring 5 is also configured to T-shaped and elastic seal ring 5 and is entrenched in fixing groove 31，Groove 11 on valve body 1 is also configured to T-type structure，Then the end of elastic component 4 be also arranged to T-shaped be entrenched in groove 11 in realize fixing，So when valve plate 3 closes on valve body 1，Elastic component 4 and elastic seal ring 5 all can be squeezed，Now but elastic component 4 and elastic seal ring 5 deform without departing from fixing groove 31，This ensures that there elastic seal ring 5 and the connective stability of elastic component 4，Simultaneously when needs change elastic seal ring 5 or elastic component 4，Elastic seal ring 5 or elastic component 4 can be prized，It is replaced the most very convenient.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to above-described embodiment, and all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.It should be pointed out that, for those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
1. a Novel closed valve, including valve body (1), for closing the valve plate (3) of valve body (1), headstock gear (2) for opening or closing valve plate (3) is installed on described valve body (1), described valve plate (3) is suitable with valve body (1), it is characterized in that: described headstock gear (2) is rotationally connected with valve plate (3), elastic seal ring (5) it is fixedly connected with on the perisporium of described valve plate (3), the surface configuration of described elastic seal ring (5) has external screw thread, elastic component (4) it is fixedly connected with on the inwall of described valve body (1), described elastic component (4) offers the female thread suitable with external screw thread.
A kind of Novel closed valve the most according to claim 1, it is characterised in that: offering groove (11) on described valve body (1), described elastic component (4) is fixedly mounted in groove (11).
A kind of Novel closed valve the most according to claim 2, it is characterised in that: the T-shaped setting of described groove (11), described elastic component (4) is entrenched in groove (11).
A kind of Novel closed valve the most according to claim 1, it is characterised in that: offering fixing groove (31) on described valve plate (3), described elastic seal ring (5) is entrenched in fixing groove (31).
A kind of Novel closed valve the most according to claim 4, it is characterised in that: the T-shaped setting of described fixing groove (31), described elastic seal ring (5) is conflicted and is fixed in fixing groove (31).
A kind of Novel closed valve the most according to claim 1, it is characterised in that: described valve plate (3) is threadeded with headstock gear (2).
7. according to a kind of sealed valve described in claim 1 or 2 or 3 or 4 or 5 or 6, it is characterised in that: described headstock gear (2) has manual link structure.
8. according to a kind of sealed valve described in claim 1 or 2 or 3 or 4 or 5 or 6, it is characterised in that: described headstock gear (2) has electronic bar linkage structure.
9. according to a kind of sealed valve described in claim 1 or 2 or 3 or 4 or 5 or 6, it is characterised in that: described headstock gear (2) has manual double link structure.
10. according to a kind of sealed valve described in claim 1 or 2 or 3 or 4 or 5 or 6, it is characterised in that: described headstock gear (2) has electronic double link structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620066505.2U CN205504034U (en) | 2016-01-22 | 2016-01-22 | Novel airtight valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620066505.2U CN205504034U (en) | 2016-01-22 | 2016-01-22 | Novel airtight valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205504034U true CN205504034U (en) | 2016-08-24 |
Family
ID=56722937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620066505.2U Expired - Fee Related CN205504034U (en) | 2016-01-22 | 2016-01-22 | Novel airtight valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205504034U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111750119A (en) * | 2019-03-29 | 2020-10-09 | 中国电子科技集团公司第四十八研究所 | A flat-type PECVD equipment valve sealing device |
-
2016
- 2016-01-22 CN CN201620066505.2U patent/CN205504034U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111750119A (en) * | 2019-03-29 | 2020-10-09 | 中国电子科技集团公司第四十八研究所 | A flat-type PECVD equipment valve sealing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20200122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |