CN207122594U - A kind of adjustable seal gate valve - Google Patents
A kind of adjustable seal gate valve Download PDFInfo
- Publication number
- CN207122594U CN207122594U CN201721096734.XU CN201721096734U CN207122594U CN 207122594 U CN207122594 U CN 207122594U CN 201721096734 U CN201721096734 U CN 201721096734U CN 207122594 U CN207122594 U CN 207122594U
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- valve
- valve portion
- rod
- bulge loop
- plate
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Abstract
The utility model discloses a kind of adjustable seal gate valve,Including valve body and it is arranged on the valve plate and valve rod of valve inner,Valve rod is provided with first bulge loop of the diameter more than valve rod towards one end of valve plate,It is provided with valve plate to coordinate the first bulge loop and realize the first bulge loop and circumferentially rotates and the turn trough of axial limiting,In the valve body valve seat is equipped with positioned at the relative both ends of the surface of valve plate,Valve plate is left valve portion and right valve portion along the flow direction split settings perpendicular to fluid,The left valve portion can be driven with right valve portion by valve rod,The extension spring for driving left valve portion to be contradicted with right valve portion is connected between left valve portion and right valve portion,Cavity volume is offered between the left valve portion and right valve portion,Conflict block is placed with the cavity volume,The actuator for driving conflict block and making left valve portion and right valve portion realize towards relative or opposite direction movement is equipped with the valve rod.The utility model has advantages below and effect：This programme utilizes new mechanical structure, gate valve is reached better seal effect.
Description
Technical field
A kind of valve is the utility model is related to, more particularly to a kind of adjustable seal gate valve.
Background technology
Gate valve refers to the valve that vertical direction of the flashboard along valve rod moves.Gate valve can only make standard-sized sheet and fully closed stifled in pipeline
Cut and use, it is impossible to make adjustments and throttle.Gate valve uses as cut-off medium, and wherein medium includes water, oil, steam, leads at work
Crossing certain external power makes transmission of the handwheel driving stem to flashboard flashboard is pressed to valve seat by force, by between valve seat and flashboard
Coordinate the sealing for ensureing gate valve.
Notification number is that CN205207719U Chinese patent discloses a kind of Parallel gate valve Parallel slide valve, and it includes：Valve body, valve seat,
Valve plate, valve rod, the valve body is interior to be provided with valve seat and valve plate, and the bottom of the valve rod is on the top of valve plate, the valve plate
Provided with pod apertures, the top of the valve body is provided with valve rod frame, and the valve rod frame is divided into upper valve bridge and lower valve bridge, the valve
Bar is arranged on upper valve bridge with lower valve bridge, sylphon seal, the upper valve rod are provided between the lower valve bridge and valve rod
Valve stem nut is provided between frame and valve rod, the top of the valve rod is provided with handwheel.
Valve seat is set on valve body in above-mentioned patent, moved by valve rod drive valve plate towards valve seat so that the side of valve plate
Wall is contradicted on valve seat, is coordinated by the sealing between valve plate and valve seat and is used to realize intercepting for convection body；Because valve plate contradicts
The one side of valve seat is parallel surface, and certain vibrations can be caused to valve body when fluid flows in valve body so that valve plate is in direction
When valve seat moves, relative abrasion can be produced between valve plate and valve seat, so as to form certain gap between valve plate and valve seat,
Influence the sealing of gate valve.
Utility model content
The purpose of this utility model is to provide a kind of adjustable seal gate valve, the adjustable seal gate valve can reduce valve plate with
The gap formed between valve seat, so as to lift the sealing of gate valve.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of adjustable sealing lock
Valve, including valve body and the valve plate and valve rod that are arranged on valve inner, one end of the valve rod towards valve plate are more than provided with diameter
First bulge loop of valve rod, is provided with the valve plate to coordinate the first bulge loop and realize the first bulge loop and circumferentially rotates and axial limiting
Turn trough, the interior both ends of the surface relative positioned at valve plate of the valve body are equipped with valve seat, and the valve plate is along perpendicular to the flow direction of fluid
Split settings are left valve portion and right valve portion, and the left valve portion can be driven with right valve portion by valve rod, the left valve portion and right valve
The extension spring for driving left valve portion to be contradicted with right valve portion is connected between portion, is offered between the left valve portion and right valve portion
Cavity volume, conflict block is placed with the cavity volume, be equipped with the valve rod for driving conflict block and making left valve portion and right valve portion
The actuator of movement is realized towards relative or opposite direction.
By using above-mentioned technical proposal, valve rod, which rotates, drives valve plate to be moved towards the position of valve seat, when the bottom of valve plate
Contradict when on valve body, the conflict block that actuator is pointed in cavity volume applies active force, and conflict block is contradicted in left valve portion and right valve
In portion and left valve portion is driven to be moved in the opposite direction with right valve portion so that left valve portion can be contradicted preferably in valve with right valve portion
On seat, the gap formed between valve plate and valve seat is reduced, so as to lift the sealing of gate valve.When actuator driving conflict block retraction
When entering cavity volume, left valve portion moves with right valve portion in the presence of extension spring towards relative direction, and turn trough is blocked again and set
On the first bulge loop so that valve rod can realize the driving to valve plate.
It is further arranged to：The actuator is the screw rod being connected with threaded stem, coaxial between the screw rod and valve rod
Set and wear into the cavity volume, one end that the screw rod is located at cavity volume is provided with the second bulge loop, second bulge loop and conflict block
Between realize and circumferentially rotate and axial limiting.
By using above-mentioned technical proposal, it is threadedly coupled between screw rod and valve rod, conflict block can be applied in guarantee screw rod
On the premise of driving force, the sealing between valve rod and screw rod can guarantee that；The rotation of screw rod drives the first bulge loop to realize and contradicted
Rotated in block, so as to for driving conflict block to realize sliding.
It is further arranged to：The wedge that the conflict block is set for tip back to screw rod, when wedge drives left valve portion
Contradict close to the valve seat of left valve portion, right valve portion contradict close to the valve seat of right valve portion when, between the first bulge loop and turn trough not
It is kept completely separate.
By using above-mentioned technical proposal, by the cooperation between the inclined plane and cavity volume of wedge, for changing screw rod
The active force acted in conflict block so that can realize movement towards opposite or relative direction between left valve portion and right valve portion；
Left valve portion contradicts a valve seat, right valve portion wherein and contradicted when on another valve seat, left valve portion and distance caused by right valve portion
It will not make turn trough and the first bulge loop is kept completely separate, enable left valve portion turn trough is preferably blocked in closure with right valve portion and set
On the first bulge loop, ensure the stability of structure.
It is further arranged to：The left valve portion, which is provided with, to be worn into right valve portion and for positioning right valve portion towards flow of fluid
Realize mobile gag lever post in direction.
By using above-mentioned technical proposal, it is provided for realizing to towards the movement of relative or opposite direction by gag lever post
Left valve portion and right valve portion carry out it is spacing, ensure it is mobile in left valve portion and right valve portion stability and lifted its move it is accurate
Property.
It is further arranged to：The position that the left valve portion contradicts valve seat with right valve portion is equipped with sealing ring.
By using above-mentioned technical proposal, left valve portion and valve seat, right valve portion and valve are arranged to add to by sealing ring
Sealing between seat, makes gate valve reach better seal effect.
It is further arranged to：The one side of the sealing ring towards valve seat is provided with the annular groove being embedded for valve seat.
By using above-mentioned technical proposal, pass through the contact surface being arranged to add between valve seat and sealing ring of annular groove
Product so that gate valve can reach better seal effect.
It is further arranged to：Excessively have for valve seat to be guided between the two side of the annular groove and the outer surface of sealing ring
To the inclined plane of annular groove.
By using above-mentioned technical proposal, the opening of the setting increase annular groove of inclined plane, the valve seat in relative movement is risen
To guiding function, valve seat is set preferably to be embedded into annular groove.
In summary, the utility model has the advantages that：It is left valve portion and right valve portion by valve plate split settings,
Cavity volume is set between left valve portion and right valve portion and conflict block is set in cavity volume, active force is applied to conflict block by actuator,
Left valve portion is moved with right valve portion towards opposite or relative direction, gate valve is realized better seal；Pass through sealing ring
Setting and annular groove is set on sealing ring, increase the contact area between sealing ring and valve seat so that gate valve can reach more preferable
Sealing effectiveness.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment；
Fig. 2 is A portions enlarged drawing in Fig. 1.
In figure：1st, valve body；2nd, valve plate；2.1st, left valve portion；2.2nd, right valve portion；3rd, valve rod；4th, the first bulge loop；5th, turn trough；6、
Valve seat；7th, extension spring；8th, cavity volume；9th, conflict block；10th, screw rod；11st, the second bulge loop；12nd, gag lever post；13rd, sealing ring；14th, ring
Groove；15th, inclined plane；16th, runner；17th, adjusting cavity；18th, cavity.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
With reference to figure 1 and Fig. 2, a kind of adjustable seal gate valve, including valve body 1, it is provided through in valve body 1 horizontal positioned
Runner 16, the interior top positioned at runner 16 of valve body 1 are provided with adjusting cavity vertical and connecting runner 16 with the flow direction of runner 16
17.Runner 16 is provided with the valve plate 2 being vertically arranged with adjusting cavity 17 to intersection, and the surface screw thread of valve plate 2 is located on valve body 1
The valve rod 3 being vertically arranged is connected with, valve rod 3 both fix and be coaxially arranged with diameter by threaded rod, one end of valve rod 3 towards valve plate 2
More than the first bulge loop 4 of valve rod 3；The top of valve plate 2 is offered for the embedding turn trough 5 of the first bulge loop 4, and the first bulge loop 4 is in turn trough 5
Realization circumferentially rotates and axial limiting.
Cavity volume 8 is offered positioned at the underface of turn trough 5 in valve plate 2, valve plate 2 is located at the vertical side in shaft core position edge of turn trough 5
It is left valve portion 2.1 and right valve portion 2.2 to split settings；The valve plate 2 of split settings equally realizes that the split of turn trough 5 and cavity volume 8 is set
Put.Screw rod 10 is equipped with valve rod 3, screw rod 10 is coaxially disposed and is threadedly coupled with valve rod 3, and the lower end of screw rod 10 is worn into cavity volume
8, conflict block 9 is placed with cavity volume 8, conflict block 9 is the wedge that pointed end is set, and the shape of cavity volume 8 is adapted to conflict block 9
And it is arranged at intervals between the bottom of cavity volume 8 and the bottom of conflict block 9.The lower end of screw rod 10 is fixed and is coaxially provided with the second bulge loop
11, the diameter of the second bulge loop 11 is more than the diameter of screw rod 10 and is embedded into conflict block 9, is holding for driving conflict block 9 to realize
Vertically slid in chamber 8.When left valve portion 2.1 and right valve portion 2.2 reach maximum separation stroke, the bulge loop 4 of turn trough 5 and first
Between be not kept completely separate.
Relative one side is equipped with cavity 18 between left valve portion 2.1 and right valve portion 2.2, and cavity 18 is located at the lower section of cavity volume 8
And two is relative between cavity 18 and connection is set, be placed with extension spring 7 between two cavitys 18, one end of extension spring 7 with it is left
Valve portion 2.1 is fixedly connected, the other end is fixedly connected with right valve portion 2.2, and the axle center of cavity 18 around valve plate 2 is circumferentially distributed to be set
Put；The one side of left valve portion 2.1 towards right valve portion 2.2 is fixed with horizontally disposed gag lever post 12, and gag lever post 12 is worn into right valve
In portion 2.2, the circumferentially distributed setting in axle center of gag lever post 12 around valve plate 2.
Runner 16 and the link position of adjusting cavity 17 are equipped with valve seat 6, and two valve seats 6 are located at relative two of valve plate 2 respectively
It is coaxially disposed between side and two valve seats 6, the axial direction of valve seat 6 is also coaxially disposed with the axial direction of runner 16.Valve plate 2 is towards valve seat 6
End face is adhesively fixed with sealing ring 13, and the one side of sealing ring 13 towards valve seat 6 is provided with the annular groove 14 being embedded for valve seat 6, ring
Overbank sets and forms described inclined plane 15 between the two side and the outer surface of sealing ring 13 of groove 14.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model
Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but
As long as all protected in right of the present utility model by Patent Law.
Claims (7)
1. a kind of adjustable seal gate valve, including valve body (1) and the valve plate (2) and valve rod (3) that are arranged on valve body (1) inside,
The valve rod (3) is provided with first bulge loop (4) of the diameter more than valve rod (3) towards one end of valve plate (2), is set in the valve plate (2)
Have to coordinate the first bulge loop (4) and realize the first bulge loop (4) and circumferentially rotate and the turn trough of axial limiting (5), in the valve body (1)
The both ends of the surface relative positioned at valve plate (2) are equipped with valve seat (6), it is characterised in that：Flowing of valve plate (2) edge perpendicular to fluid
Direction split settings are left valve portion (2.1) and right valve portion (2.2), and the left valve portion (2.1) can be by valve rod with right valve portion (2.2)
(3) driven, the left valve portion (2.1) of driving and right valve portion (2.2) are connected between the left valve portion (2.1) and right valve portion (2.2)
The extension spring (7) contradicted, offers cavity volume (8), the cavity volume between the left valve portion (2.1) and right valve portion (2.2)
(8) conflict block (9) is placed with, is equipped with the valve rod (3) for driving conflict block (9) and making left valve portion (2.1) and the right side
Valve portion (2.2) realizes the actuator of movement towards relative or opposite direction.
A kind of 2. adjustable seal gate valve according to claim 1, it is characterised in that：The actuator be and valve rod (3)
The screw rod (10) of threaded connection, it is coaxially disposed and is worn into the cavity volume (8) between the screw rod (10) and valve rod (3), it is described
One end that screw rod (10) is located at cavity volume (8) is provided with the second bulge loop (11), is realized between second bulge loop (11) and conflict block (9)
Circumferentially rotate and axial limiting.
A kind of 3. adjustable seal gate valve according to claim 2, it is characterised in that：The conflict block (9) is carried on the back for tip
The wedge set to screw rod (10), when wedge drive left valve portion (2.1) contradict the valve seat (6) close to left valve portion (2.1),
It is incomplete between the first bulge loop (4) and turn trough (5) when right valve portion (2.2) is contradicted close to valve seat (6) of right valve portion (2.2)
Separation.
A kind of 4. adjustable seal gate valve according to claim 1, it is characterised in that：The left valve portion (2.1) is provided with
Wear into right valve portion (2.2) and mobile gag lever post (12) is realized towards fluid flow direction for positioning right valve portion (2.2).
A kind of 5. adjustable seal gate valve according to claim 1, it is characterised in that：The left valve portion (2.1) and right valve
The position that portion (2.2) contradicts valve seat (6) is equipped with sealing ring (13).
A kind of 6. adjustable seal gate valve according to claim 5, it is characterised in that：The sealing ring (13) is towards valve seat
(6) one side is provided with the annular groove (14) being embedded for valve seat (6).
A kind of 7. adjustable seal gate valve according to claim 6, it is characterised in that：The two side of the annular groove (14) with
Excessively have between the outer surface of sealing ring (13) for valve seat (6) to be guided to the inclined plane (15) to annular groove (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721096734.XU CN207122594U (en) | 2017-08-30 | 2017-08-30 | A kind of adjustable seal gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721096734.XU CN207122594U (en) | 2017-08-30 | 2017-08-30 | A kind of adjustable seal gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207122594U true CN207122594U (en) | 2018-03-20 |
Family
ID=61611149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721096734.XU Active CN207122594U (en) | 2017-08-30 | 2017-08-30 | A kind of adjustable seal gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207122594U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518495A (en) * | 2018-04-24 | 2018-09-11 | 王甲亮 | A kind of control system and application method for air-transport system double valve plates gate valve |
| CN109058497A (en) * | 2018-09-19 | 2018-12-21 | 浙江中德自控科技股份有限公司 | A kind of moveable control valve of valve seat |
| CN112197053A (en) * | 2020-10-16 | 2021-01-08 | 温州市维耐特阀门有限公司 | Gate valve and operation method thereof |
| CN113007434A (en) * | 2021-03-22 | 2021-06-22 | 苏州孚杰机械有限公司 | Self-cleaning type valve seat assembly used in high-temperature state |
| CN113357388A (en) * | 2021-06-24 | 2021-09-07 | 俞伟光 | Parallel double-supporting-plate gate valve |
-
2017
- 2017-08-30 CN CN201721096734.XU patent/CN207122594U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518495A (en) * | 2018-04-24 | 2018-09-11 | 王甲亮 | A kind of control system and application method for air-transport system double valve plates gate valve |
| CN108518495B (en) * | 2018-04-24 | 2020-05-05 | 浙江海睿阀门有限公司 | Control system for double-valve-plate gate valve of pneumatic conveying system and use method |
| CN109058497A (en) * | 2018-09-19 | 2018-12-21 | 浙江中德自控科技股份有限公司 | A kind of moveable control valve of valve seat |
| CN109058497B (en) * | 2018-09-19 | 2024-03-22 | 浙江中德自控科技股份有限公司 | Control valve with movable valve seat |
| CN112197053A (en) * | 2020-10-16 | 2021-01-08 | 温州市维耐特阀门有限公司 | Gate valve and operation method thereof |
| CN113007434A (en) * | 2021-03-22 | 2021-06-22 | 苏州孚杰机械有限公司 | Self-cleaning type valve seat assembly used in high-temperature state |
| CN113357388A (en) * | 2021-06-24 | 2021-09-07 | 俞伟光 | Parallel double-supporting-plate gate valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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. |
|
| CP03 | Change of name, title or address |