CN209385690U - A kind of valve upper cover movable sealing structure - Google Patents
A kind of valve upper cover movable sealing structure Download PDFInfo
- Publication number
- CN209385690U CN209385690U CN201821785525.0U CN201821785525U CN209385690U CN 209385690 U CN209385690 U CN 209385690U CN 201821785525 U CN201821785525 U CN 201821785525U CN 209385690 U CN209385690 U CN 209385690U
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- China
- Prior art keywords
- wall
- tube body
- pedestal
- screw thread
- valve
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Abstract
The utility model discloses a kind of valve upper cover movable sealing structures, including tube body, ring flange is provided on the left and right sides outer wall of the tube body, and locking bolt is provided on ring flange, pedestal is provided in the upper outer wall of the tube body, and thread groove is offered on the inner wall of pedestal, the pedestal is connect by thread groove with threaded post, and seal disc is provided in the bottom outer wall of threaded post, gasket is socketed on the outer wall of the seal disc, link block is provided in the upper outer wall of the threaded post, and threaded post is connect by link block with locking plate, the link block is connected by locking plate and the lockhole of stem bottom.The utility model passes through setting handwheel, valve rod, graphite, lubrication groove, the arm of force can be increased by handwheel and valve rod to reduce dynamics when starting valve, and the graphite in lubrication groove can be revealed to increase the lubricity of valve rod when internal screw thread is engaged with valve rod by the occlusion gap between internal screw thread.
Description
Technical field
The utility model relates to valve technology field, specially a kind of valve upper cover movable sealing structure.
Background technique
Valve is the control unit in fluid delivery system, has cut-off, adjusting, water conservancy diversion, prevents adverse current, pressure stabilizing, shunting
Or the functions such as overflow pressure relief；For the valve of fluid control systems, from simplest shut-off valve to extremely complex robot control system(RCS)
Used in various valves, kind and specification are quite various.
Conventional valves movable sealing structure has the following deficiencies place: it is needed repeatedly when carrying out turning on or off valve
The problem of screw thread mouth serious wear of the rotary valve rod to be easy to cause valve internal, while in conventional valves movable sealing structure
It is needed when carrying out folding valve with it by the plunger stretcher in it and then water flow excess impact is be easy to cause to cause plunger
The problem of dislocation.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of valve upper cover movable sealing structure, solves tradition
There is valve movable sealing structure it to need multiple rotary valve rod when carrying out and turning on or off valve to be easy to cause valve
The problem of screw thread mouth serious wear of inside, while also solving its in conventional valves movable sealing structure when carrying out folding valve
Need the problem of be easy to causeing water flow excess impact that plunger is caused to misplace in turn the plunger stretcher in it.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of valve upper cover movable sealing structure, including
Tube body is provided with ring flange on the left and right sides outer wall of the tube body, and is provided with locking bolt on ring flange, the tube body
It is provided with pedestal in upper outer wall, and offers thread groove on the inner wall of pedestal, the pedestal is connected by thread groove and threaded post
It connects, and is provided with seal disc in the bottom outer wall of threaded post, gasket, the threaded post are socketed on the outer wall of the seal disc
Upper outer wall on be provided with link block, and threaded post is connect by link block with locking plate, and the link block passes through locking plate and valve
The lockhole of bar bottom connects, and is provided with footstock in the upper outer wall of the pedestal, and is twisted on the inner wall of footstock and has internal screw thread, institute
The inside in the outside, footstock of stating internal screw thread offers lubrication groove, and graphite is filled in lubrication groove, and the top of the lubrication groove is filled in
There is stopper, the top outer wall of the valve rod is connect by welding piece with handwheel.
Preferably, the tube body is connected to by ring flange with outside siphunculus, and the tube body passes through locking bolt and ring flange
Connection.
Preferably, the tube body is connected to pedestal, and the pedestal is connected to footstock, and the footstock passes through internal screw thread and valve rod
External screw thread on outer wall is connected.
Preferably, seal disc structure in the form of annular discs, and the diameter of seal disc is identical as the interior bore of tube body, it is described close
Closing disk is cooperatively connected by the inner wall of gasket and tube body.
Preferably, the inside of the link block offers lockhole, and the link block is connect by lockhole with locking plate.
Preferably, pore is offered on the interior slot of the internal screw thread, and internal screw thread is connected to by interior slot with lubrication groove,
The top inner wall of the lubrication groove and the outer wall of stopper are cooperatively connected.
(3) beneficial effect
The utility model provides a kind of valve upper cover movable sealing structure, have it is following the utility model has the advantages that
(1) the utility model by setting handwheel, valve rod, graphite, lubrication groove, by handwheel and valve rod can increase the arm of force from
And dynamics when starting valve is reduced, and the graphite in lubrication groove can be by the occlusion gap between internal screw thread in internal screw thread and valve
Leakage when bar is engaged is to increase the lubricity of valve rod.
(2) the utility model is by setting threaded post, thread groove, by the threaded engagement between threaded post and thread groove,
It can be achieved above to mention under the drive of handwheel or the effect of downward threaded post, and locking plate and link block play the work of mitigation
With, avoid handwheel band ovable valve stem rotation it is too fast to cause stripped thread between screw thread the phenomenon that generation.
(3) the utility model can realize rotation by setting seal disc, gasket, seal disc under the drive of threaded post,
Under the rotation of threaded post, seal disc can be driven to rotate, and can freely allow tube body when seal disc rotation is with tube body level
Interior fluid passes through, and sealing function can be realized when seal disc and tube body are mutually perpendicular to, and the gasket on its outer wall is then
Enhance leakproofness between the two.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural side view of the utility model；
Fig. 3 is the seal disc side view of the utility model.
In figure: 1, tube body；2, ring flange；3, locking bolt；4, pedestal；5, thread groove；6, threaded post；7, seal disc；8,
Gasket；9, link block；10, locking plate；11, valve rod；12, lockhole；13, footstock；14, internal screw thread；15, lubrication groove；16, graphite；
17, stopper；18, welding piece；19, handwheel.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
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 embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1-3, the utility model provides a kind of technical solution: a kind of valve upper cover movable sealing structure, including pipe
Body 1 is provided with ring flange 2 on the left and right sides outer wall of tube body 1, and tube body 1 is connected to by ring flange 2 with outside siphunculus, and tube body 1 leads to
It crosses locking bolt 3 to connect with ring flange 2, locking bolt 3 is provided on ring flange 2, is provided with pedestal in the upper outer wall of tube body 1
4, seal disc 7 can realize rotation under the drive of threaded post 6, under the rotation of threaded post 6, seal disc 7 can be driven to rotate, and work as
The rotation of seal disc 7 can freely allow the fluid in tube body 1 to pass through when horizontal with tube body 1, and when seal disc 7 and tube body 1 are mutual
Can be realized sealing function when vertical, and the gasket 8 on its outer wall then enhances leakproofness between the two, pedestal 4 it is interior
Thread groove 5 is offered on wall, tube body 1 is connected to pedestal 4, and pedestal 4 is connected to footstock 13, and footstock 13 passes through internal screw thread 14 and valve rod
External screw thread on 11 outer walls is connected, and pedestal 4 is connect by thread groove 5 with threaded post 6, and in the bottom outer wall of threaded post 6
It is provided with seal disc 7, by the threaded engagement between threaded post 6 and thread groove 5, can be achieved above to mention under the drive of handwheel 19
Or the effect of downward threaded post 6, and locking plate 10 and link block 9 play the role of mitigation, avoid handwheel 19 with ovable valve stem 11
Rotate it is too fast to cause stripped thread between threaded engagement the phenomenon that generation, the structure in the form of annular discs of seal disc 7, and seal disc 7 is straight
Diameter is identical as the interior bore of tube body 1, and seal disc 7 is cooperatively connected by the inner wall of gasket 8 and tube body 1, on the outer wall of seal disc 7
It is socketed with gasket 8, link block 9 is provided in the upper outer wall of threaded post 6, and threaded post 6 is connected by link block 9 and locking plate 10
It connects, the inside of link block 9 offers lockhole 12, and link block 9 is connect by lockhole 12 with locking plate 10, passes through handwheel 19 and valve rod 11
The arm of force can be increased to reduce dynamics when starting valve, and the graphite 16 in lubrication groove 15 can pass through stinging between internal screw thread 14
Joint close gap reveals to increase when internal screw thread 14 is engaged with valve rod 11 lubricity of valve rod 11, link block 9 by locking plate 10 with
The lockhole 12 of 11 bottom of valve rod connects, and is provided with footstock 13 in the upper outer wall of pedestal 4, and in being twisted and having on the inner wall of footstock 13
Screw thread 14 offers pore on the interior slot of internal screw thread 14, and internal screw thread 14 is connected to by interior slot with lubrication groove 15, lubrication groove
15 top inner wall and the outer wall of stopper 17 are cooperatively connected, and the outside of internal screw thread 14, the inside of footstock 13 offer lubrication groove 15,
And graphite 16 is filled in lubrication groove 15, the top of lubrication groove 15 is plugged with stopper 17, and the top outer wall of valve rod 11 passes through welding piece
18 connect with handwheel 19.
In use, the arm of force can be increased by handwheel 19 and valve rod 11 to reduce dynamics when starting valve, and lubrication groove
Graphite 16 in 15 can be revealed to increase when internal screw thread 14 is engaged with valve rod 11 by the occlusion gap between internal screw thread 14
The lubricity of valve rod 11 can be can be achieved by the threaded engagement between threaded post 6 and thread groove 5 under the drive of handwheel 19
It mentions or the effect of downward threaded post 6, and locking plate 10 and link block 9 play the role of mitigation, avoid handwheel 19 with ovable valve stem
11 rotations are too fast so that the phenomenon that causing stripped thread between threaded engagement generation, seal disc 7 can be realized under the drive of threaded post 6 to be turned
It is dynamic, under the rotation of threaded post 6, seal disc 7 can be driven to rotate, and can freely permit when the rotation of seal disc 7 is horizontal with tube body 1
Perhaps the fluid in tube body 1 passes through, and sealing function can be realized when seal disc 7 and tube body 1 are mutually perpendicular to, and on its outer wall
Gasket 8 then enhances leakproofness between the two.
It can to sum up obtain, the utility model passes through 19 He of handwheel by setting handwheel 19, valve rod 11, graphite 16, lubrication groove 15
Valve rod 11 can increase the arm of force to reduce starting valve when dynamics, and the graphite 16 in lubrication groove 15 can by internal screw thread 14 it
Between occlusion gap reveal to increase the lubricity of valve rod 11 when internal screw thread 14 is engaged with valve rod 11.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of valve upper cover movable sealing structure, including tube body (1), it is characterised in that: the left and right sides outer wall of the tube body (1)
On be provided with ring flange (2), and be provided with locking bolt (3) on ring flange (2), be arranged in the upper outer wall of the tube body (1)
Have pedestal (4), and offer thread groove (5) on the inner wall of pedestal (4), the pedestal (4) passes through thread groove (5) and threaded post
(6) it connects, and is provided with seal disc (7) in the bottom outer wall of threaded post (6), be socketed on the outer wall of the seal disc (7) close
Packing (8) is provided with link block (9) in the upper outer wall of the threaded post (6), and threaded post (6) passes through link block (9) and lock
Piece (10) connection, the link block (9) are connect by locking plate (10) with the lockhole (12) of valve rod (11) bottom, the pedestal (4)
Upper outer wall on be provided with footstock (13), and on the inner wall of footstock (13) be twisted have internal screw thread (14), the internal screw thread (14)
Outside, footstock (13) inside offer lubrication groove (15), and lubrication groove (15) in be filled with graphite (16), the lubrication groove
(15) top is plugged with stopper (17), and the top outer wall of the valve rod (11) is connect by welding piece (18) with handwheel (19).
2. a kind of valve upper cover movable sealing structure according to claim 1, it is characterised in that: the tube body (1) passes through method
Blue disk (2) is connected to outside siphunculus, and the tube body (1) is connect by locking bolt (3) with ring flange (2).
3. a kind of valve upper cover movable sealing structure according to claim 1, it is characterised in that: the tube body (1) and pedestal
(4) it is connected to, the pedestal (4) is connected to footstock (13), and the footstock (13) passes through on internal screw thread (14) and valve rod (11) outer wall
External screw thread be connected.
4. a kind of valve upper cover movable sealing structure according to claim 1, it is characterised in that: the seal disc (7) is in circle
Disk-like structure, and the diameter of seal disc (7) is identical as the interior bore of tube body (1), the seal disc (7) by gasket (8) with
The inner wall of tube body (1) is cooperatively connected.
5. a kind of valve upper cover movable sealing structure according to claim 1, it is characterised in that: the link block (9) it is interior
Portion offers lockhole (12), and the link block (9) is connect by lockhole (12) with locking plate (10).
6. a kind of valve upper cover movable sealing structure according to claim 1, it is characterised in that: the internal screw thread (14) it is interior
Pore is offered on slot, and internal screw thread (14) is connected to by interior slot with lubrication groove (15), the top of the lubrication groove (15)
Inner wall and the outer wall of stopper (17) are cooperatively connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821785525.0U CN209385690U (en) | 2018-10-31 | 2018-10-31 | A kind of valve upper cover movable sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821785525.0U CN209385690U (en) | 2018-10-31 | 2018-10-31 | A kind of valve upper cover movable sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209385690U true CN209385690U (en) | 2019-09-13 |
Family
ID=67867731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821785525.0U Expired - Fee Related CN209385690U (en) | 2018-10-31 | 2018-10-31 | A kind of valve upper cover movable sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209385690U (en) |
-
2018
- 2018-10-31 CN CN201821785525.0U patent/CN209385690U/en not_active Expired - Fee Related
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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: 20190913 Termination date: 20211031 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |