CN117090954B - Sealing sluice valve - Google Patents
Sealing sluice valve Download PDFInfo
- Publication number
- CN117090954B CN117090954B CN202311360165.5A CN202311360165A CN117090954B CN 117090954 B CN117090954 B CN 117090954B CN 202311360165 A CN202311360165 A CN 202311360165A CN 117090954 B CN117090954 B CN 117090954B
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- valve
- sealing
- rod
- connector
- valve body
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- 238000007789 sealing Methods 0.000 title claims abstract description 109
- 238000009434 installation Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 2
- 230000006872 improvement Effects 0.000 description 13
- 230000009471 action Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- -1 building Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
- F16K3/12—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with wedge-shaped arrangements of sealing faces
- F16K3/14—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with wedge-shaped arrangements of sealing faces with special arrangements for separating the sealing faces or for pressing them together
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
- F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
- F16K27/047—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members with wedge-shaped obturating members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
- F16K3/316—Guiding of the slide
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K35/00—Means to prevent accidental or unauthorised actuation
- F16K35/16—Means to prevent accidental or unauthorised actuation with locking member actuated by magnet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0008—Mechanical means
- F16K37/0016—Mechanical means having a graduated scale
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
Abstract
The invention relates to the technical field of gate valves, in particular to a sealing gate valve with good sealing performance and stable structure, which comprises a valve body, a valve cover and a sealing device, wherein the valve cover is arranged above the valve body, two flow guide ports which are oppositely arranged are formed in the valve body, the sealing device can be lifted up and down and is arranged between the two flow guide ports in the valve body, the sealing device comprises an elastic connecting part and sealing plates which are arranged on two sides of the elastic connecting part, the operating device comprises a valve rod which can be lifted up and down and is arranged on the valve body and the valve cover, the lower end of the valve rod is provided with a connector for connecting the sealing device, two ends of two free ends of the connector are symmetrically hinged with connecting rings, each sealing plate is provided with a hinge hole for the connecting rings to be inserted into, the inner sides of the two sealing plates are respectively provided with inclined planes, the two sides of the outer part of the connector are provided with slopes which are matched with the inclined planes, and the connector can be lifted up and down through the inclined planes which are arranged between the two sealing plates.
Description
Technical Field
The invention relates to the technical field of gate valves, in particular to a sealing gate valve.
Background
The sealing gate valve on the market at present is mainly used as adjusting and cut-off equipment on pipelines such as tap water, sewage, building, petroleum, chemical industry, food, metallurgy, energy system, and the like, and generally comprises a valve body, an operating mechanism and a sealing element, wherein the valve body is provided with two guide ports which are oppositely arranged, the operating mechanism is connected with and drives the sealing element to move between a closing position and an opening position, the sealing element comprises two sealing plates and an elastic connecting part connected between the two sealing plates, the operating mechanism is provided with a valve rod capable of moving up and down, the lower end of the valve rod is provided with a connector, the connector is provided with two inclined holes, the two sealing plates are respectively provided with a connecting shaft penetrating through the inclined holes, when the valve rod drives the sealing element to move to the closing position, the inclined holes and the connecting shafts interact to enable the two sealing plates to be relatively opened to seal the two guide ports, and when the valve rod drives the sealing element to move from the closing position to the opening position, the two sealing plates are relatively closed under the elastic action of the elastic connecting part, so that the two sealing plates are separated from the guide ports.
The sealing gate valve in the prior art has the following defects:
the connector is provided with two inclined holes, be provided with the connecting axle that passes the inclined hole on two shrouding respectively, two shrouding pass through the inclined hole sliding connection of connecting axle with the connector respectively, the both ends of connecting axle are through the extension spring location in inclined hole both sides, when the valve rod rotates, drive the connector and do up-and-down motion, thereby make the connecting axle slide in the inclined hole, drive then make two shrouding open relatively in order to seal two water conservancy diversion mouth, this kind of elastic connection mode, effort when the connecting head slides from top to bottom acts on the extension spring through the connecting axle on, open and shut for a long time and close the effect, the extension spring is become flexible or damage easily, thereby lead to whole connecting axle to drop from the inclined hole, and then make whole sealing member lose sealed effect, life is very limited.
When the valve rod drives the connecting head to move up and down, the sealing piece is in a floating state, and the connecting shafts of the two sealing plates of the sealing piece are movably connected with the inclined holes of the connecting head in a sliding manner, so that the sealing piece is easy to generate one-way pressure deviating to one side under the action of medium pressure, thereby the two sealing plates are not coaxially opened to the two sides of the axis of the valve rod, and the sealing piece is easy to generate the defect of good sealing effect of the one-side flow guiding port and poor sealing effect of the one-side flow guiding port after being used for a long time. In addition, long-term unidirectional pressure also can counteract the valve rod, increases the frictional force of valve rod and valve gap inner wall, and the phenomenon that valve rod and valve gap are connected different axle centers appears easily in long-term use, further causes two shrouding and two water conservancy diversion mouths between the position emergence deviation, has seriously influenced the sealed effect of this sealing gate valve.
Disclosure of Invention
Therefore, the invention provides the sealing gate valve with good sealing performance and stable structure aiming at the problems.
In order to solve the technical problems, the invention adopts the following solution:
the utility model provides a sealing gate valve, includes valve body, valve gap, sealing device, and operating means, valve gap are located the valve body top, are formed with two water conservancy diversion mouths of relative arrangement in the valve body, sealing device can reciprocate locate between two water conservancy diversion mouths in the valve body, sealing device includes elastic connection portion and locates the shrouding of elastic connection portion both sides, operating means is including the valve rod of locating on valve body and the valve bonnet that can reciprocate, the lower extreme of valve rod is equipped with the connector that is used for connecting sealing device, the tip bilateral symmetry of connector both free ends articulates there is the go-between, each be equipped with on the shrouding and supply each the go-between inserts the hinge hole of connection, two the inboard of shrouding is equipped with the inclined plane respectively, the outside both sides of connector are equipped with the slope of matching each inclined plane, and the connector can reciprocate through this slope on locating the inclined plane between two shrouding.
The further improvement is that: the inner sides of the two sealing plates are respectively provided with a connecting seat, the sides, far away from the sealing plates, of the connecting seats are respectively provided with an inclined plane, the two sides of the outer part of the connector are respectively provided with slopes matched with the inclined planes, the connector can slide up and down on the inclined planes arranged between the two connecting seats through the slopes, and each connecting seat is also provided with a hinge hole for the insertion connection of each connecting ring.
The further improvement is that: the connecting head is provided with a connecting rod, and two sides of the end parts of the two free ends of the connecting rod are symmetrically hinged with connecting rings.
The further improvement is that: the two sides between the two sealing plates are provided with first positioning blocks, the first positioning blocks are provided with sliding positioning grooves, and the positions, corresponding to the sliding positioning grooves, inside the valve body are provided with first limiting rods.
The further improvement is that: the bottom of the elastic connecting part is provided with a second positioning block, the second positioning block is provided with a limiting groove, and a second limiting rod is arranged in the valve body at a position corresponding to the limiting groove.
The further improvement is that: the operating device further comprises a mounting pipe arranged above the valve cover, a driving device arranged on the upper portion of the mounting pipe and used for driving the valve rod to rotate, and a limiting block used for limiting the axial sliding and radial rotation of the mounting pipe is further arranged between the mounting pipe and the valve cover.
The further improvement is that: the installation pipe lower extreme middle part is equipped with the big-end-down ladder groove, the stopper lower extreme wears out the ladder groove and is connected with the valve gap upper portion, the upper portion card of stopper is located the upper groove top of ladder groove is used for preventing that the installation pipe from doing radial rotation on the valve gap when the valve rod rotates, the stopper passes through the bolt and is connected with the valve gap while with whole installation pipe axial limit be in the valve gap top.
The further improvement is that: the inner wall of the installation tube is provided with a long azimuth hole extending along the length direction of the installation tube, the valve rod is provided with an indicator penetrating through the long azimuth hole, the outer wall of the installation tube is provided with a graduated scale arranged along the length direction of the installation tube, and the indicator is matched with the graduated scale to display the feeding amount of the valve rod.
The further improvement is that: the upper end of the valve rod is provided with a screw rod, the driving device is a worm and gear driving device, and the worm and gear driving device is linked with the screw rod.
The further improvement is that: the operating device also comprises a shell and a control handle.
The further improvement is that: the inside symmetry in casing upper end both sides is equipped with the locking groove, be equipped with the magnetic column in the locking groove, valve rod upper end and lower extreme symmetry respectively are equipped with the matching the locking hole of magnetic column, the magnetic column pass through the spring with locking groove fixed connection, spring one end with magnetic column fixed connection, the other end with the inner wall fixed connection of the one end that keeps away from the valve rod in the locking groove.
The further improvement is that: the outer surface of the upper end of the shell is provided with an unlocking ring, a magnet is arranged in the unlocking ring, and the magnet is arranged corresponding to the magnetic column in position.
The further improvement is that: the elastic connecting part is of an arc-shaped platy structure.
The further improvement is that: the two sealing plates and the elastic connecting part are integrally formed.
By adopting the technical scheme, the invention has the beneficial effects that:
1. the two sides of the end parts of the two free ends of the connector are symmetrically hinged with the connecting rings, the connecting rings are provided with the hinge holes for inserting and connecting the connecting rings, the inner sides of the two sealing plates are respectively provided with the inclined planes, the two sides of the outer part of the connector are provided with slopes matched with the inclined planes of the inclined planes, the connector can slide up and down on the inclined planes arranged between the two sealing plates through the inclined planes, the up-and-down sliding of the connector is realized through the matching between the inclined planes and the slopes of the two sides of the outer part of the connector, in the rising process, the connector drives the sealing device to rise through the connecting rings, in the process, the acting force between the connector and the sealing device acts on the connecting rings, the problem that the gate valve cannot work normally after the tension spring is damaged is effectively avoided, and the service life is prolonged.
2. The two sides between the two sealing plates are provided with the first positioning blocks, the first positioning blocks are provided with the sliding positioning grooves, the positions, corresponding to the sliding positioning grooves, inside the valve body are provided with the first limiting rods, the first limiting rods are matched with the meeting positioning grooves to determine the ascending and descending movement track of the sealing device in the valve body, the offset caused by pushing of the sealing device by the medium pressure is reduced, meanwhile, the unidirectional pressure generated by the sealing device due to the offset is reduced, the two sealing plates can be ensured to be coaxially opened towards the two sides of the axis of the valve rod in the sealing process, the reaction force of the unidirectional pressure on the valve rod is reduced, the friction force of the valve rod on the inner wall of the valve cover is reduced, and the good sealing effect of the sealing gate valve is ensured.
3. The bottom of the elastic connecting part is provided with the second positioning block, the second positioning block is provided with the limiting groove, the position, corresponding to the limiting groove, inside the valve body is provided with the second limiting rod, in the descending process of the sealing device, the positions of the two sealing plates and the two diversion ports are determined through the contact of the limiting groove and the second limiting rod, so that the sealing plates can accurately seal the diversion ports when the sealing plates are opened and sealed, and the sealing performance of the gate valve is ensured.
4. A limiting block is arranged between the mounting tube and the valve cover, a stepped groove with a small bottom and a large top is arranged in the middle of the lower end of the mounting tube, the lower end of the limiting block penetrates out of the stepped groove and is connected with the upper portion of the valve cover, the upper portion of the limiting block is clamped above the upper groove of the stepped groove, the mounting tube is effectively prevented from rotating radially on the valve cover when the valve rod rotates, meanwhile, the limiting block is connected with the valve cover through a bolt, the whole mounting tube is limited above the valve cover in the axial direction, and the stability of the whole gate valve structure is remarkably improved.
Drawings
FIG. 1 is a schematic cross-sectional view of a seal of the present invention in a closed position;
FIG. 2 is a schematic cross-sectional view of the seal of the present invention in an open state;
FIG. 3 is an exploded view of the seal assembly of the present invention;
FIG. 4 is a top view of the internal structure of the valve body of the present invention;
FIG. 5 is an exploded view of the valve cover, mounting tube and stopper structure of the present invention;
FIG. 6 is a schematic diagram of the overall structure of the present invention;
FIG. 7 is a cross-sectional view of a stopper mounting structure of the present invention;
FIG. 8 is an enlarged partial view of the cross-sectional structure of FIG. 1, A of the present invention;
fig. 9 is an enlarged partial view of the cross-sectional structure of the present invention at B of fig. 2.
Detailed Description
The invention will now be further described with reference to the drawings and specific examples.
Referring to fig. 1 to 9, a sealing gate valve includes a valve body 1, a valve cover 2, a sealing device, and an operating device 3, where the valve cover 2 is disposed above the valve body 1, two flow guiding ports 4 are formed in the valve body 1, the sealing device can be lifted up and down and disposed between the two flow guiding ports 4 in the valve body 1, the sealing device includes an elastic connection portion 5 and sealing plates 6 disposed at two sides of the elastic connection portion 5, the operating device 3 includes a valve rod 7 disposed on the valve body 1 and the valve cover 2 and lifted up and down, a connector 8 for connecting the sealing device is disposed at a lower end of the valve rod 7, two ends of two free ends of the connector 8 are symmetrically hinged with connecting rings 9, hinge holes 10 for inserting and connecting the connecting rings 9 are disposed on the sealing plates 6, inclined planes 11 are disposed on inner sides of the sealing plates 6 respectively, slopes 12 matching the inclined planes 11 are disposed on two sides of the outer sides of the connector 8, and the connector 8 is disposed on the inclined planes 11 between the two sealing plates 6 in a vertically sliding manner through the slopes 12.
The inner sides of the two sealing plates 6 are respectively provided with a connecting seat 25, the sides of the connecting seats 25 far away from the sealing plates 6 are respectively provided with an inclined plane 11, the two sides of the outer part of the connecting head 8 are respectively provided with a gradient 12 matched with the inclined planes 11, the connecting head 8 can slide up and down on the inclined planes 11 arranged between the two connecting seats 25 through the gradient 12, and each connecting seat is also provided with a hinge hole 10 for inserting and connecting each connecting ring 9.
The connector 8 is provided with a connecting rod 24, and two sides of the end parts of the two free ends of the connecting rod 24 are symmetrically hinged with connecting rings 9.
The two sides between the two sealing plates 6 are provided with first positioning blocks 13, the first positioning blocks 13 are provided with sliding positioning grooves 14, and the positions, corresponding to the sliding positioning grooves 14, inside the valve body 1 are provided with first limiting rods 15.
The bottom of the elastic connection part 5 is provided with a second positioning block 26, the second positioning block 26 is provided with a limiting groove 27, and a second limiting rod 28 is arranged in the valve body 1 at a position corresponding to the limiting groove 27.
The operating device 3 further comprises a shell 22, a control handle 23 and a mounting tube 16 arranged above the valve cover 2, a driving device arranged on the upper portion of the mounting tube 16 and used for driving the valve rod 7 to rotate, and a limiting block 17 used for limiting the axial sliding and radial rotation of the mounting tube 16 is further arranged between the mounting tube 16 and the valve cover 2.
The inside symmetry in casing 22 upper end both sides is equipped with locking groove 29, be equipped with magnetic pillar 30 in the locking groove 29, valve rod 7 upper end and lower extreme symmetry respectively are equipped with the matching magnetic pillar 30's locking hole 31, magnetic pillar 30 pass through spring 32 with locking groove 29 fixed connection, spring 32 one end with magnetic pillar 30 fixed connection, the other end with the inner wall fixed connection of the one end that keeps away from valve rod 7 in the locking groove 29.
The outer surface of the upper end of the shell 22 is provided with an unlocking ring 33, a magnet 34 is arranged in the unlocking ring 33, and the magnet 34 is arranged corresponding to the locking groove 29.
The middle part of the lower end of the mounting tube 16 is provided with a stepped groove 18 with a small bottom and a large top, the lower end part of the limiting block 17 penetrates out of the stepped groove 18 to be connected with the upper part of the valve cover 2, the upper part of the limiting block 17 is clamped above the upper groove of the stepped groove 18 to prevent the mounting tube 16 from radially rotating on the valve cover 2 when the valve rod 7 rotates, and the limiting block 17 is connected with the valve cover 2 through a bolt 19 and simultaneously limits the whole mounting tube 16 axially above the valve cover 2.
The inner wall of the mounting pipe 16 is provided with a long azimuth hole 20 extending along the length direction of the mounting pipe, the valve rod 7 is provided with an indicator 21 penetrating through the long azimuth hole 20, the outer wall of the mounting pipe 16 is provided with a graduated scale arranged along the length direction of the mounting pipe, and the indicator 21 is matched with the graduated scale to display the feeding amount of the valve rod 7.
The upper end of the valve rod 7 is provided with a screw rod, the driving device is a worm and gear driving device, and the worm and gear driving device is linked with the screw rod.
The elastic connection part 5 is of an arc plate-shaped structure.
The two sealing plates 6 and the elastic connecting part 5 are integrally formed.
Working principle:
when the valve rod is not used, the state can be a gate valve sealing state or an opening state, the magnetic column 30 in the locking groove 29 is inserted into the locking hole 31 at the upper end or the lower end of the valve rod 7 under the action of the spring 32, so that the radial rotation of the valve rod 7 is limited, the valve rod 7 is locked, and the gate valve is prevented from being misoperation by other people in the sealing state or the opening state.
When the valve rod 7 is used, firstly, a user places the unlocking ring 33 outside the shell, the magnet 34 sucks the magnetic column 30 in the locking groove 29 to the end far away from the valve rod 7, so that the unlocking of the valve rod 7 is realized, then, the driving device is controlled by rotating the control handle 23 to drive the valve rod 7 to move up and down, the indicator 21 is matched with the graduated scale to display the feeding amount of the valve rod 7, the opening and closing state of the sealing device is displayed for the user, and the sliding locating groove 14 moves on the first locating rod 15 in the valve body 2 under the action of the valve rod 7.
In the sealing process, under the action of the valve rod 7, the sealing device moves downwards under the cooperation of the sliding positioning groove 14 and the first limiting rod 15, after the limiting groove 27 is propped against the second limiting rod 28, the sealing device stops moving to determine the positions of the two sealing plates 6 and the two diversion ports 4, then under the continuous action of the valve rod 7, the connecting heads 8 continuously move downwards, the slopes 12 on two sides of the connecting heads 8 slide downwards along the inclined planes 11 between the two connecting seats 25, meanwhile, the connecting rings 9 rotate on the connecting rods 24, in the process that the connecting heads 8 continuously contact with the inclined planes 11, force is continuously applied to the two connecting seats 25, the two sealing plates 6 are coaxially spread along the two axial sides of the valve rod 7, the two sealing plates 6 are in sealing fit with the two diversion ports 4, and the sealing of the gate valve is completed.
In the opening process, under the action of the valve rod 7, the connector 8 moves upwards, the slopes 12 on two sides of the connector 8 slide upwards along the inclined planes 11, meanwhile, under the elastic action of the elastic connecting part 5, the two sealing plates 6 shrink coaxially along two sides of the axis of the valve rod 7 and separate from the two flow guide ports 4, in the continuous rising process of the connector 8, the connecting ring 9 rotates on the connecting rod 24, then the sealing device is pulled to rise under the acting force of the connecting ring 9, the limiting groove 27 and the second limiting rod 28 separate gradually, and the sealing device moves upwards under the cooperation of the sliding positioning groove 14 and the first limiting rod 15, so that the opening of the gate valve is completed.
The above description is illustrative of the embodiments using the present teachings, and is not intended to limit the scope of the present teachings to any particular modification or variation of the present teachings by those skilled in the art.
Claims (12)
1. The utility model provides a sealing gate valve, includes valve body, valve gap, sealing device, and operating means, valve gap are located the valve body top, are formed with two water conservancy diversion mouths of relative arrangement in the valve body, sealing device can locate with the oscilaltion between two water conservancy diversion mouths in the valve body, sealing device includes elastic connection portion and locates the shrouding of elastic connection portion both sides, operating means is including locating the valve rod on valve body and the valve gap with the oscilaltion, the lower extreme of valve rod is equipped with the connector that is used for connecting sealing device, its characterized in that: the utility model discloses a connector, including connector, connecting seat and connecting rod, the tip bilateral symmetry of connector both ends of freedom articulates there is the go-between, each be equipped with on the shrouding supply each go-between insert the hinge hole of connection, two the inboard of shrouding is equipped with the inclined plane respectively, the outside both sides of connector are equipped with the slope of matching each inclined plane, the connector can locate on the inclined plane between two connecting seats through this slope with sliding from top to bottom on the inclined plane between two shrouding is located respectively to the inboard of two shrouding respectively, the connector is equipped with still on the connecting seat supplies each the hinge hole of go-between insert connection, is equipped with the connecting rod on the connecting head, the tip bilateral symmetry of two free ends of connecting rod articulates there is the go-between.
2. A sealing gate valve according to claim 1, characterized in that: the two sides between the two sealing plates are provided with first positioning blocks, the first positioning blocks are provided with sliding positioning grooves, and the positions, corresponding to the sliding positioning grooves, inside the valve body are provided with first limiting rods.
3. A sealing gate valve according to claim 1, characterized in that: the bottom of the elastic connecting part is provided with a second positioning block, the second positioning block is provided with a limiting groove, and a second limiting rod is arranged in the valve body at a position corresponding to the limiting groove.
4. A sealing gate valve according to claim 1, characterized in that: the operating device further comprises a mounting pipe arranged above the valve cover, a driving device arranged on the upper portion of the mounting pipe and used for driving the valve rod to rotate, and a limiting block used for limiting the axial sliding and radial rotation of the mounting pipe is further arranged between the mounting pipe and the valve cover.
5. A sealing gate valve as defined in claim 4, wherein: the installation pipe lower extreme middle part is equipped with the big-end-down ladder groove, the stopper lower extreme wears out the ladder groove and is connected with the valve gap upper portion, the upper portion card of stopper is located the upper groove top of ladder groove is used for preventing that the installation pipe from doing radial rotation on the valve gap when the valve rod rotates, the stopper passes through the bolt and is connected with the valve gap while with whole installation pipe axial limit be in the valve gap top.
6. A sealing gate valve according to any of claims 4 or 5, characterized in that: the inner wall of the installation tube is provided with a long azimuth hole extending along the length direction of the installation tube, the valve rod is provided with an indicator penetrating through the long azimuth hole, the outer wall of the installation tube is provided with a graduated scale arranged along the length direction of the installation tube, and the indicator is matched with the graduated scale to display the feeding amount of the valve rod.
7. A sealing gate valve as defined in claim 4, wherein: the upper end of the valve rod is provided with a screw rod, the driving device is a worm and gear driving device, and the worm and gear driving device is linked with the screw rod.
8. A sealing gate valve according to claim 1, characterized in that: the operating device also comprises a shell and a control handle.
9. The sealing gate valve of claim 8, wherein: the inside symmetry in casing upper end both sides is equipped with the locking groove, be equipped with the magnetic column in the locking groove, valve rod upper end and lower extreme symmetry respectively are equipped with the matching the locking hole of magnetic column, the magnetic column pass through the spring with locking groove fixed connection, spring one end with magnetic column fixed connection, the other end with the inner wall fixed connection of the one end of keeping away from the valve rod in the locking groove.
10. A sealing gate valve according to claim 9, wherein: the outer surface of the upper end of the shell is provided with an unlocking ring, a magnet is arranged in the unlocking ring, and the magnet is arranged corresponding to the magnetic column in position.
11. A sealing gate valve according to claim 1, characterized in that: the elastic connecting part is of an arc-shaped platy structure.
12. A sealing gate valve according to claim 1, characterized in that: the two sealing plates and the elastic connecting part are integrally formed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311360165.5A CN117090954B (en) | 2023-10-20 | 2023-10-20 | Sealing sluice valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311360165.5A CN117090954B (en) | 2023-10-20 | 2023-10-20 | Sealing sluice valve |
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| CN117090954A CN117090954A (en) | 2023-11-21 |
| CN117090954B true CN117090954B (en) | 2023-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311360165.5A Active CN117090954B (en) | 2023-10-20 | 2023-10-20 | Sealing sluice valve |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812589A (en) * | 2019-03-24 | 2019-05-28 | 百强阀门集团有限公司 | A kind of high guiding performance Wedge Gate Valves that can reduce sealing surface wear |
| CN114060546A (en) * | 2021-11-16 | 2022-02-18 | 天津卡尔斯阀门股份有限公司 | Gate valve that well intracavity formula of swinging opened and close fast |
| CN114811083A (en) * | 2022-03-01 | 2022-07-29 | 江苏经纬阀业有限公司 | Cast steel plate gate valve with position height prompting structure |
| CN115539658A (en) * | 2022-09-27 | 2022-12-30 | 建湖县鸿达阀门管件有限公司 | Sand control fracturing plate valve disk seat seal structure |
| CN115727143A (en) * | 2022-12-07 | 2023-03-03 | 维都利阀门有限公司 | High-temperature high-pressure self-sealing gate valve |
| CN116379174A (en) * | 2023-04-11 | 2023-07-04 | 福建省真特阀门科技有限公司 | Zero friction sealing gate valve |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6039528B2 (en) * | 2013-10-21 | 2016-12-07 | 岡山市 | Valve lid removal method, valve removal method and valve lid attachment for gate valve |
| JP6873391B2 (en) * | 2016-05-06 | 2021-05-19 | Toto株式会社 | Flow control valve and its manufacturing method |
-
2023
- 2023-10-20 CN CN202311360165.5A patent/CN117090954B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812589A (en) * | 2019-03-24 | 2019-05-28 | 百强阀门集团有限公司 | A kind of high guiding performance Wedge Gate Valves that can reduce sealing surface wear |
| CN114060546A (en) * | 2021-11-16 | 2022-02-18 | 天津卡尔斯阀门股份有限公司 | Gate valve that well intracavity formula of swinging opened and close fast |
| CN114811083A (en) * | 2022-03-01 | 2022-07-29 | 江苏经纬阀业有限公司 | Cast steel plate gate valve with position height prompting structure |
| CN115539658A (en) * | 2022-09-27 | 2022-12-30 | 建湖县鸿达阀门管件有限公司 | Sand control fracturing plate valve disk seat seal structure |
| CN115727143A (en) * | 2022-12-07 | 2023-03-03 | 维都利阀门有限公司 | High-temperature high-pressure self-sealing gate valve |
| CN116379174A (en) * | 2023-04-11 | 2023-07-04 | 福建省真特阀门科技有限公司 | Zero friction sealing gate valve |
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| CN117090954A (en) | 2023-11-21 |
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