CN207278900U - A kind of high leakproofness and shut-off valve easy to repair - Google Patents
A kind of high leakproofness and shut-off valve easy to repair Download PDFInfo
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- CN207278900U CN207278900U CN201721111401.XU CN201721111401U CN207278900U CN 207278900 U CN207278900 U CN 207278900U CN 201721111401 U CN201721111401 U CN 201721111401U CN 207278900 U CN207278900 U CN 207278900U
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- valve body
- groove
- seal
- shut
- seal spool
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Abstract
The utility model discloses a kind of high leakproofness and shut-off valve easy to repair, including upper valve body and lower valve body, the upper valve body is fixedly connected with lower valve body by fastening screw, mobile bar is provided with upper valve body, the bottom of drive link is arranged to threaded rod by the utility model, threaded rod is connected through a screw thread with thread groove, so that the rotation of drive link can drive mobile bar to move, and then drive the movement of seal spool block, communication port is sealed, this mode causes seal spool block to be closely connected with communication port, seal spool block is set not reduce sealing effect because of the pressure of valve inner；Annular protrusion is provided with seal spool block, annular groove is provided with communication port, annular protrusion coordinates with annular groove, further increases the sealing effect of the present apparatus；The movement of mobile bar can drive telescopic baffle to move, by seal for pipe joints, easy to dismounting and replacement of the worker to seal spool block；The present apparatus is rational in infrastructure, simple and practical, has good practicality.
Description
Technical field
It the utility model is related to valve correlative technology field, more particularly to a kind of high leakproofness and cut-off easy to repair
Valve.
Background technology
Valve is to be used for controlling the direction of fluid, pressure, the device of flow in fluid system, it is widely used in the modern times
In industrial production.Shut-off valve, is also pipe valve, is a kind of one of most popular valve.Why very popular shut-off valve is, is
Since the frictional force between sealing surface during its opening and closing is small, pressure is applied widely.The sealing performance of shut-off valve refers to each close
The ability that component prevents fluid leakage is sealed, it is off the most important technical performance index of valve.But inside existing shut-off valve
Pressure it is excessive, it is easy to so that the sealing of seal spool block is loosely, cause the phenomenon of pipe leakage to occur, and existing cut-off
All there is the problem of causing sealing performance to be deteriorated due to long-time service in valve, make liquid due to body cavity circulation, it has not been convenient to
Replacement is carried out maintenance to spool.Therefore, invent a kind of high leakproofness and shut-off valve easy to repair has very much to solve the above problems
It is necessary.
Utility model content
The purpose of this utility model is to provide a kind of high leakproofness and shut-off valve easy to repair, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the utility model provides following technical solution：A kind of high leakproofness and section easy to repair
Only valve, including upper valve body and lower valve body, the upper valve body are fixedly connected with lower valve body by fastening screw, the upper valve body it is interior
Limit channels are equipped with the middle part of chamber, are plugged with mobile bar in limit channels, one end of the mobile bar is provided with thread groove, it is described on
The top of valve body is provided with compact heap, and compact heap is connected by fastening bolt with upper valve body, and the middle part of the compact heap is equipped with sky
Groove, is plugged with drive link in empty slot, and the top of the drive link is fixedly connected with handwheel, on the bottom insertion compact heap of drive link
Thread groove in, the other end of the mobile bar is fixedly connected with seal spool block, and seal spool block is located inside lower valve body
In flow cavity, the top side of the seal spool block is connected by the inner cavity top of Telescopic positioning lever and flow cavity, the valve
It is fitted and connected at the top of communication port in the middle part of the bottom of core sealing block and flow cavity, the bottom outside of the mobile bar is socketed with
Ring, the lantern ring are located at the top of seal spool block, and the lateral ends of the lantern ring are fixedly connected with one end of connecting rod, the connecting rod it is another
One end is fixedly connected with the bottom side of telescopic baffle, and the top of the telescopic baffle is fitted and connected the upper end side wall of flow cavity, institute
The both sides for stating telescopic baffle are equipped with convex block, and the both ends of telescopic baffle are tightly connected with convex block, the side of the communication port
Seal groove is provided with, seal groove is located in the middle part of sliding channel of flow cavity, in the bottom terminal ends insertion seal groove of the telescopic baffle.
Preferably, the bottom margin of the seal spool block is provided with annular protrusion, and the top edge of the communication port is set
Sealant is equipped with, sealant is equipped with annular groove, and the one end of the annular protrusion away from seal spool block is inserted into annular groove.
Preferably, the bottom of the drive link is arranged to threaded rod, and threaded rod is connected through a screw thread with thread groove.
Preferably, floating bearing is provided with the middle part of the compact heap at the upper end opening of empty slot, at empty slot upper end opening
Floating bearing connects the middle part of drive link.
Preferably, the middle part of the convex block is equipped with groove, and the both ends of telescopic baffle are inserted into groove, and the both sides of groove
Elastic sealing layer is equipped with, elastic sealing layer is fitted and connected with telescopic baffle.
Preferably, center line symmetrical setting of two elastic sealing layers on groove, and two elastic sealing layer phases
Mutually close side is disposed as inclined plane, and the bottom of two inclined planes is smaller than top spacing.
The technique effect and advantage of the utility model：The bottom of drive link is arranged to threaded rod, screw thread by the utility model
Bar is connected through a screw thread with thread groove so that the rotation of drive link can drive mobile bar to move, and then drive seal spool block to move
It is dynamic, communication port is sealed, this mode causes seal spool block to be closely connected with communication port, makes seal spool block will not be because of valve body
Internal pressure and reduce sealing effect；Annular protrusion is provided with seal spool block, annular groove is provided with communication port,
Annular protrusion coordinates with annular groove, further increases the sealing effect of the present apparatus；Mobile bar is connected by the lantern ring with connecting rod
Telescopic baffle, the movement of mobile bar can drive telescopic baffle to move, by seal for pipe joints, easy to dismounting of the worker to seal spool block
And replacement；The present apparatus is rational in infrastructure, simple and practical, has good practicality.
Brief description of the drawings
Fig. 1 is the overall structure diagrammatic cross-section of the utility model.
Fig. 2 is structure enlargement diagram at A in this practicality Fig. 1.
Fig. 3 is the diagrammatic cross-section of the utility model telescopic baffle structure.
Fig. 4 is the diagrammatic cross-section of the utility model projection cube structure.
In figure：Upper valve body 1, lower valve body 2, mobile bar 3, thread groove 31, compact heap 4, drive link 5, handwheel 6, seal spool
Block 7, annular protrusion 71, Telescopic positioning lever 8, communication port 9, sealant 10, annular groove 11, the lantern ring 12, connecting rod 13, telescopic baffle
14th, convex block 15, elastic sealing layer 16, seal groove 17.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
The utility model provides a kind of high leakproofness as shown in Figs 1-4 and shut-off valve easy to repair, including upper valve
Body 1 and lower valve body 2, the upper valve body 1 are fixedly connected with lower valve body 2 by fastening screw, are set in the middle part of the inner cavity of the upper valve body 1
There are limit channels, mobile bar 3 is plugged with limit channels, one end of the mobile bar 3 is provided with thread groove 31, the upper valve body
1 top is provided with compact heap 4, and compact heap 4 is connected by fastening bolt with upper valve body 1, and the middle part of the compact heap 4 is equipped with sky
Groove, drive link 5 is plugged with empty slot, and the top of the drive link 5 is fixedly connected with handwheel 6, and the bottom insertion of drive link 5 compresses
In thread groove 31 on block 4, the other end of the mobile bar 3 is fixedly connected with seal spool block 7, under seal spool block 7 is located at
In flow cavity inside valve body 2, the top side of the seal spool block 7 is pushed up by the inner cavity of Telescopic positioning lever 8 and flow cavity
Portion connects, and the top of communication port 9 in the middle part of the bottom of the seal spool block 7 and flow cavity is fitted and connected, the bottom of the mobile bar 3
The lantern ring 12 is socketed with the outside of portion, the lantern ring 12 is located at the top of seal spool block 7, and the lateral ends of the lantern ring 12 are fixedly connected with connecting rod
13 one end, the other end of the connecting rod 13 are fixedly connected with the bottom side of telescopic baffle 14, the top of the telescopic baffle 14
End is fitted and connected the upper end side wall of flow cavity, and the both sides of the telescopic baffle 14 are equipped with convex block 15, and the two of telescopic baffle 14
End is tightly connected with convex block 15, and the side of the communication port 9 is provided with seal groove 17, and seal groove 17 is located at the middle part of flow cavity
On side wall, in the bottom terminal ends insertion seal groove 17 of the telescopic baffle 14.
The bottom margin of the seal spool block 7 is provided with annular protrusion 71, and the top edge of the communication port 9 is provided with
Sealant 10, sealant 10 are equipped with annular groove 11, one end insertion annular groove of the annular protrusion 71 away from seal spool block 7
In 11, seal spool block 7 coordinates with annular groove, further increases the sealing effect of the present apparatus；The bottom of the drive link 5 is set
Threaded rod is set to, threaded rod is connected through a screw thread with thread groove 31, and the rotation of drive link 5 can drive mobile bar 3 to move, and then band
Movable valve plug sealing block 7 moves, and communication port 9 is sealed；Rotating shaft is provided with the upper end opening of the 4 middle part empty slot of compact heap
Hold, the middle part of the floating bearing connection drive link 5 at empty slot upper end opening, compact heap 4 can fix drive link 5；The convex block
15 middle part is equipped with groove, and the both ends of telescopic baffle 14 are inserted into groove, and the both sides of groove are equipped with elastic sealing layer 16,
Elastic sealing layer 16 is fitted and connected with telescopic baffle 14, and two elastic sealing layers 16 are symmetrically set on the center line of groove
Put, and two sides close to each other of elastic sealing layer 16 are disposed as inclined plane, the bottom of two inclined planes is smaller than pushing up
Portion's spacing, telescopic baffle 14 cooperatively form sealing structure with elastic sealing layer 16, prevent liquid from being flowed to from pipeline in flow cavity.
This practicality operation principle：When in use, by turning handwheel 6, handwheel 6 drives drive link 5 to rotate to the present apparatus, due to
The bottom of drive link 5 is arranged to threaded rod, and threaded rod is connected through a screw thread with thread groove 31, so the rotation of drive link 5 can band
Dynamic mobile bar 3 moves, and mobile bar 3 drives compact heap 4 to move down, until compact heap 4 connects with the sealant 10 in communication port 9
Connect, communication port 9 is sealed, the annular protrusion 71 on seal spool block 7 is inserted into the annular groove 11 on sealant 10 at this time, annular
Protrusion 71 coordinates with annular groove, further increases the sealing effect of the present apparatus, and when mobile bar 3 moves down, mobile bar 3 is logical
Crossing the lantern ring 12 and connecting rod 13 drives telescopic baffle 14 to move down, until telescopic baffle 14 is inserted into seal groove 17, mistake herein
Cheng Zhong, the both ends of telescopic baffle 14 and the 16 seamless applying connection of elastic sealing layer on convex block 15, by seal for pipe joints, easy to worker
Dismounting and replacement to seal spool block 7.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify the technical solution described in foregoing embodiments, or to which part technical characteristic
Equivalent substitution is carried out, where within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of high leakproofness and shut-off valve easy to repair, including upper valve body（1）And lower valve body（2）, the upper valve body（1）With
Lower valve body（2）It is fixedly connected by fastening screw, it is characterised in that：The upper valve body（1）Inner cavity in the middle part of be equipped with limit channels,
Mobile bar is plugged with limit channels（3）, the mobile bar（3）One end be provided with thread groove（31）, the upper valve body（1）'s
Top is provided with compact heap（4）, compact heap（4）Pass through fastening bolt and upper valve body（1）Connection, the compact heap（4）Middle part
Equipped with empty slot, drive link is plugged with empty slot（5）, the drive link（5）Top be fixedly connected with handwheel（6）, drive link（5）
Bottom insertion compact heap（4）On thread groove（31）It is interior, the mobile bar（3）The other end be fixedly connected with seal spool block
（7）, seal spool block（7）Positioned at lower valve body（2）In internal flow cavity, the seal spool block（7）Top side pass through
Telescopic positioning lever（8）It is connected with the inner cavity top of flow cavity, the seal spool block（7）Bottom and flow cavity in the middle part of circulation
Mouthful（9）Top is fitted and connected, the mobile bar（3）Bottom outside be socketed with the lantern ring（12）, the lantern ring（12）Positioned at seal spool
Block（7）Top, the lantern ring（12）Lateral ends be fixedly connected with connecting rod（13）One end, the connecting rod（13）The other end
It is fixedly connected with telescopic baffle（14）Bottom side, the telescopic baffle（14）Top be fitted and connected the upper end side of flow cavity
Wall, the telescopic baffle（14）Both sides be equipped with convex block（15）, and telescopic baffle（14）Both ends and convex block（15）Sealing
Connection, the communication port（9）Side be provided with seal groove（17）, seal groove（17）In the middle part of sliding channel of flow cavity, institute
State telescopic baffle（14）Bottom terminal ends insertion seal groove（17）It is interior.
2. a kind of high leakproofness according to claim 1 and shut-off valve easy to repair, it is characterised in that：The spool is close
Seal block（7）Bottom margin be provided with annular protrusion（71）, the communication port（9）Top edge be provided with sealant（10）,
Sealant（10）It is equipped with annular groove（11）, the annular protrusion（71）Away from seal spool block（7）One end insertion annular groove
（11）It is interior.
3. a kind of high leakproofness according to claim 1 and shut-off valve easy to repair, it is characterised in that：The drive link
（5）Bottom be arranged to threaded rod, threaded rod and thread groove（31）It is connected through a screw thread.
4. a kind of high leakproofness according to claim 1 and shut-off valve easy to repair, it is characterised in that：The compact heap
（4）It is provided with floating bearing at the upper end opening of middle part empty slot, the floating bearing connection drive link at empty slot upper end opening（5）'s
Middle part.
5. a kind of high leakproofness according to claim 1 and shut-off valve easy to repair, it is characterised in that：The convex block
（15）Middle part be equipped with groove, telescopic baffle（14）Both ends be inserted into groove, and the both sides of groove are equipped with elastic packing
Layer（16）, elastic sealing layer（16）With telescopic baffle（14）It is fitted and connected.
6. a kind of high leakproofness according to claim 5 and shut-off valve easy to repair, it is characterised in that：Two bullets
Property sealant（16）On the center line symmetrical setting of groove, and two elastic sealing layers（16）Side close to each other is respectively provided with
For inclined plane, the bottom of two inclined planes is smaller than top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721111401.XU CN207278900U (en) | 2017-08-31 | 2017-08-31 | A kind of high leakproofness and shut-off valve easy to repair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721111401.XU CN207278900U (en) | 2017-08-31 | 2017-08-31 | A kind of high leakproofness and shut-off valve easy to repair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207278900U true CN207278900U (en) | 2018-04-27 |
Family
ID=61989647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721111401.XU Active CN207278900U (en) | 2017-08-31 | 2017-08-31 | A kind of high leakproofness and shut-off valve easy to repair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207278900U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388571A (en) * | 2019-08-09 | 2019-10-29 | 永康微唯智能科技有限公司 | A kind of interior conduit device for preventing leakage |
-
2017
- 2017-08-31 CN CN201721111401.XU patent/CN207278900U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388571A (en) * | 2019-08-09 | 2019-10-29 | 永康微唯智能科技有限公司 | A kind of interior conduit device for preventing leakage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Building 15, District 2, No. 7, Wanyang Congchuang City, Bihu Town, Liandu District, Lishui City, Zhejiang Province, 323000 Patentee after: Weiqiang Valve Group Co.,Ltd. Address before: 325000 Dongou Street, Yongjia County, Wenzhou City, Zhejiang Province and Linpu North Road, Yi Industrial Zone Patentee before: WEIQIANG VALVE TECHNOLOGY Co.,Ltd. |