CN117108768A - Multi-layer soft sealing gate valve - Google Patents
Multi-layer soft sealing gate valve Download PDFInfo
- Publication number
- CN117108768A CN117108768A CN202311367200.6A CN202311367200A CN117108768A CN 117108768 A CN117108768 A CN 117108768A CN 202311367200 A CN202311367200 A CN 202311367200A CN 117108768 A CN117108768 A CN 117108768A
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- Prior art keywords
- frame
- extrusion
- frames
- plate
- fixedly connected
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- 238000007789 sealing Methods 0.000 title claims abstract description 53
- 238000001125 extrusion Methods 0.000 claims abstract description 111
- 238000004140 cleaning Methods 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 64
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 23
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 238000005299 abrasion Methods 0.000 abstract description 5
- 239000013049 sediment Substances 0.000 abstract description 4
- 239000007787 solid Substances 0.000 description 4
- 239000004576 sand Substances 0.000 description 3
- 239000007769 metal material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 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
- F16K3/0227—Packings
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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
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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
- F16K3/30—Details
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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
- 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
- F16K31/60—Handles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
Abstract
The application relates to the technical field of gate valves, in particular to a multi-layer soft sealing gate valve. The application can reduce the friction force between the rubber strip and the inner bottom of the connecting frame in the sealing process, thereby reducing the abrasion of the rubber strip and cleaning the sediment at the inner bottom of the connecting frame to improve the sealing effect. The application comprises a connecting frame and the like; the top of the connecting frame is fixedly connected with a supporting ring, a screwing disc is rotatably connected on the supporting ring, a screw rod is connected on the screwing disc through threads, the screw rod penetrates through the supporting ring, a soft sealing assembly is arranged at the bottom end of the screw rod, and an extrusion assembly is arranged on the soft sealing assembly. When the gate valve is required to be closed, the worker rotates the screwing disc, so that the rubber strips are driven to move downwards to be in contact with the inner bottom of the connecting frame, and then the vertical extrusion frame and the arc extrusion frame jointly extrude the two rubber strips, so that the two rubber strips are in close contact with the inner bottom of the connecting frame, the sealing effect is improved, and water flow in the connecting frame can be blocked more thoroughly.
Description
Technical Field
The application relates to the technical field of gate valves, in particular to a multi-layer soft sealing gate valve.
Background
The gate valve is divided into a hard sealing gate valve and a soft sealing gate valve, the hard sealing gate valve is usually provided with a sealing surface which is welded with a metal material to increase wear resistance, one side of the sealing pair of the soft sealing gate valve is made of a metal material, the other side of the sealing pair of the soft sealing gate valve is made of a flexible nonmetallic material, and the sealing performance of the soft sealing gate valve is good but the soft sealing gate valve is easy to wear.
In the use of traditional soft sealing gate valve, when the gate needs to be closed, the workman rotates the rotary disk, drives the gate through the screw rod and moves down, rubber ring and pipeline contact on the gate, thereby carry out the separation to the rivers in the pipeline, rubber ring can set up generally and be bigger than the pipeline internal diameter, can receive the extrusion of pipeline when rubber ring moves down, thereby guarantee the leakproofness of gate, but the frictional force between rubber ring and the pipeline inner wall is great, can lead to the rubber ring wearing and tearing on the gate faster, in addition, the place that the bottom is in rubber ring below in the pipeline has some silt impurity, when gate and rubber ring move down, silt can hinder the contact of rubber ring and pipeline inner bottom, make sealed effect not good.
Disclosure of Invention
The application provides a multi-layer soft sealing gate valve which can reduce friction between the rubber strip and the inner bottom of the connecting frame in the sealing process, so that abrasion of the rubber strip is reduced, and sediment in the inner bottom of the connecting frame can be cleaned to improve the sealing effect.
The technical scheme is as follows: the utility model provides a multi-level soft seal gate valve, including connecting frame, supporting ring, spiral plate, screw rod, soft seal assembly and extrusion subassembly, connecting frame top rigid coupling has the supporting ring, and the last rotation type of supporting ring is connected with spiral plate, has the screw rod through threaded connection on the spiral plate, and the screw rod passes the supporting ring, and the screw rod bottom is equipped with the soft seal assembly that is used for closing the floodgate to the connecting frame, is equipped with the extrusion subassembly that is used for improving the leakproofness on the soft seal assembly.
In addition, particularly preferred is that the soft sealing component comprises a sliding plate, a transmission frame, a transmission spring, a support frame, flashboards and rubber strips, wherein the transmission frame is fixedly connected at the bottom end of a screw rod, the transmission frame is connected with the sliding plate in a sliding manner, the transmission spring is connected between the transmission frame and the sliding plate, the sliding plate is connected with the upper part of the connecting frame in a sliding manner, the support frame is fixedly connected at the bottom of the sliding plate, two flashboards are fixedly connected on the support frame and are symmetrically arranged, and the rubber strips are fixedly connected at the edges of the two flashboards.
In addition, particularly preferred is, extrusion subassembly is including spacing, vertical extrusion frame, the guide bar, stripper plate and swing strip, slide plate bottom rigid coupling has spacing, spacing is located between two flashboards, sliding connection has two vertical extrusion frames on the spacing, two vertical extrusion frames are the symmetry setting, two vertical extrusion frames simultaneously with the upper portion contact of two rubber strips, sliding connection has a plurality of arc extrusion frame on the spacing, a plurality of arc extrusion frame simultaneously with the lower part contact of two rubber strips, the rigid coupling has two guide bars between two flashboards, sliding connection has the stripper plate between two guide bars, the stripper plate simultaneously with two vertical extrusion frames and a plurality of arc extrusion frame contact, the transmission frame bottom rotation type is connected with the swing strip, the swing strip is connected with the stripper plate rotation type.
In addition, particularly preferred is, still including water conservancy diversion frame and trompil board, the rigid coupling has two water conservancy diversion frames between two flashboards, and two water conservancy diversion frames are the symmetry setting, and the rigid coupling of drive frame lower part has two trompil boards, and the trompil board is connected with water conservancy diversion frame slidingtype, all opens the round hole on two trompil boards, all opens the water conservancy diversion hole on two water conservancy diversion frames, and the water conservancy diversion hole on the water conservancy diversion frame is located same horizontal plane with the round hole on the trompil board.
In addition, particularly preferred is, still including the clearance subassembly, the clearance subassembly is located on the locating rack, the clearance subassembly is connected with the support frame, the clearance subassembly is including extrusion pipe, the guide ring, transmission clamping lever and arc soft board, the locating rack bottom is equipped with the extrusion pipe, it has the helicla flute to open on the extrusion pipe, support frame lower part rotation is connected with the guide ring, sliding connection has the transmission clamping lever on the guide ring, the upper end of transmission clamping lever is connected with the helicla flute sliding connection on the extrusion pipe, transmission clamping lever bottom rigid coupling has the arc soft board.
In addition, particularly preferred is, still including preventing the deviation subassembly, prevent the deviation subassembly and locate on the spiral-wound disc, prevent the deviation subassembly and be connected with the linking frame, prevent the deviation subassembly including the rubber slab, the extrusion pole, the card goes into the ring, the telescopic spring, wedge first, wedge second and solid fixed ring, the last sliding connection of spiral-wound disc has a plurality of extrusion pole, the one end that a plurality of extrusion pole kept away from each other all fixedly connected with the rubber slab, the last sliding connection of spiral-wound disc has the card to go into the ring, be connected with a plurality of telescopic spring between card income ring and the spiral-wound disc, card income ring upper portion rigid coupling has three wedge first and three wedge second, three wedge first is adjacent, three wedge second is adjacent, three wedge first's upper portion all is equipped with the inclined plane, three wedge second's lower part all is equipped with the inclined plane, the linking frame top is equipped with the solid fixed ring, it has a plurality of draw-in groove to go into on the solid fixed ring to open, card income ring card is gone into in the a plurality of draw-in groove on the solid fixed ring.
Furthermore, it is particularly preferred that the ends of the plurality of pressing rods which are adjacent to each other are provided with balls.
In addition, it is particularly preferable that the rubber strip further comprises a guide soft plate, wherein the lower part of one rubber strip is fixedly connected with the guide soft plate.
The beneficial effects are that: 1. when the gate valve is required to be closed, a worker rotates the screwing disc, the screwing disc rotates to drive the screw rod and the transmission frame to move downwards, so that the rubber strip is driven to move downwards to be in contact with the inner bottom of the connecting frame, then the worker continues to rotate the screwing disc, the two vertical extrusion frames move towards the direction away from each other, and meanwhile the plurality of arc extrusion frames move towards the direction away from each other, so that the vertical extrusion frames and the arc extrusion frames jointly extrude the two rubber strips, the two rubber strips are in close contact with the inner bottom of the connecting frame, the sealing effect is improved, water flow in the connecting frame can be blocked more thoroughly, in addition, the rubber strips are firstly contacted with the inner bottom of the connecting frame, and then the rubber strips are sealed through the vertical extrusion frames and the arc extrusion rubber strips.
2. In the process that the sliding plate, the transmission frame and the flashboard start to move downwards, the diversion holes and the round holes on the opening plate keep the same horizontal plane, and less water in the connecting frame can pass through the diversion holes to lighten the water flow impact force received by the rubber strip, thereby further reducing the abrasion of the rubber strip and further prolonging the service life of the rubber strip.
3. When the limiting frame moves downwards, the extrusion pipe, the transmission clamping rod and the arc-shaped soft plate move downwards, when the arc-shaped soft plate moves downwards to be in contact with the inner bottom of the connecting frame, the spiral groove on the extrusion pipe can extrude the upper end of the transmission clamping rod, so that the transmission clamping rod and the arc-shaped soft plate rotate, the transmission clamping rod rotates to drive the guide ring to rotate, the inner bottom of the connecting frame can be cleaned by the rotation of the arc-shaped soft plate, sediment can be cleaned, the inner bottom of the connecting frame is kept clean, the rubber strip can be better contacted with the inner bottom of the connecting frame, the sealing effect is further improved, and then water flow in the connecting frame is blocked more fully.
Drawings
Fig. 1 is a schematic perspective view of the present application.
Fig. 2 is a schematic view of a partially cut-away perspective structure of the present application.
Fig. 3 is an enlarged perspective view of fig. 2 a according to the present application.
FIG. 4 is a schematic perspective view, partially in section, of a first embodiment of the soft seal assembly and anti-misalignment assembly of the present application.
Fig. 5 is a schematic perspective view of the soft seal assembly and the compression assembly of the present application.
FIG. 6 is a schematic perspective view, partially in section, of a second type of soft seal assembly and anti-misalignment assembly of the present application.
Fig. 7 is a schematic perspective view showing a cross-sectional structure of a flow guiding frame, an orifice plate and a sliding plate according to the present application.
Fig. 8 is a schematic perspective view of the extrusion assembly of the present application.
Fig. 9 is a schematic perspective view of a cleaning assembly according to the present application.
Fig. 10 is a schematic perspective view showing a disassembled structure of the cleaning assembly of the present application.
FIG. 11 is a schematic view of a partial perspective view of an anti-misalignment assembly of the present application.
Fig. 12 is a schematic view of a split perspective structure of an anti-misalignment assembly according to the present application.
In the figure: 1. the connecting frame, 2, the support ring, 3, the screwing disc, 31, the screw rod, 41, the sliding plate, 42, the transmission frame, 43, the transmission spring, 44, the support frame, 45, the flashboard, 46, the rubber strip, 61, the limiting frame, 62, the vertical extrusion frame, 63-arc extrusion frame, 64, the guide rod, 65, the extrusion plate, 66, the swinging strip, 71, the flow guiding frame, 72, the perforated plate, 73, the flow guiding hole, 81, the extrusion pipe, 82, the guide ring, 83, the transmission clamping rod, 84, the arc soft plate, 91, the rubber plate, 92, the extrusion rod, 93, the clamping ring, 94, the telescopic spring, 95, the wedge block I, 951, the wedge block II, 96, the fixing ring, 10 and the guide soft plate.
Description of the embodiments
The application will be further described with reference to examples of embodiments shown in the drawings.
Example 1: a multi-layer soft sealing gate valve is shown in fig. 1-6, and comprises a connecting frame 1, a supporting ring 2, a screwing disc 3, a screw rod 31, a soft sealing component and an extrusion component, wherein the supporting ring 2 is fixedly connected to the top of the connecting frame 1, the screwing disc 3 is rotationally connected to the supporting ring 2, the screw rod 31 is vertically arranged through the screw thread connection on the screwing disc 3, the screw rod 31 penetrates through the supporting ring 2, the bottom end of the screw rod 31 is provided with the soft sealing component for closing the gate of the connecting frame 1, and the soft sealing component is provided with the extrusion component for improving the sealing performance.
The soft sealing assembly comprises a sliding plate 41, a transmission frame 42, a transmission spring 43, a support frame 44, a flashboard 45 and a rubber strip 46, wherein the transmission frame 42 is fixedly connected to the bottom end of the screw 31, the sliding plate 41 is connected to the transmission frame 42 in a sliding manner, the transmission spring 43 is connected between the transmission frame 42 and the sliding plate 41, the sliding plate 41 is connected to the upper portion of the connecting frame 1 in a sliding manner, the support frame 44 is welded to the bottom of the sliding plate 41, two flashboard 45 are fixedly connected to the support frame 44, the two flashboard 45 are symmetrically arranged, the flashboard 45 is used for blocking water flow in the connecting frame 1, the rubber strip 46 is fixedly connected to the edges of the two flashboard 45, the rubber strip 46 is contacted with the inner wall of the connecting frame 1, and the rubber strip 46 is used for improving the sealing performance.
The extrusion assembly comprises a limiting frame 61, vertical extrusion frames 62, guide rods 64, extrusion plates 65 and swinging strips 66, wherein the limiting frame 61 is welded at the bottom of the sliding plate 41, the limiting frame 61 is positioned between two flashboards 45, the two vertical extrusion frames 62 are connected with the limiting frame 61 in a sliding mode, the two vertical extrusion frames 62 are symmetrically arranged, the two vertical extrusion frames 62 are simultaneously contacted with the upper parts of the two rubber strips 46, the two vertical extrusion frames 62 are used for extruding the upper parts of the rubber strips 46, a plurality of arc extrusion frames 63 are connected to the limiting frame 61 in a sliding mode, the plurality of arc extrusion frames 63 are simultaneously contacted with the lower parts of the two rubber strips 46, the plurality of arc extrusion frames 63 are used for extruding the lower parts of the rubber strips 46, the two guide rods 64 are fixedly connected between the two flashboards 45, the two guide rods 64 are horizontally arranged, the extrusion plates 65 are connected between the two guide rods 64 in a sliding mode, the lower edges of the extrusion plates 65 are provided with cambered surfaces, the extrusion plates 65 are simultaneously contacted with the two vertical extrusion frames 62 and the plurality of arc extrusion frames 63, the bottoms of the transmission frames 42 are in a rotating mode, and the swinging strips 66 are connected with the swinging strips 65.
In the actual working process, water always circulates in the connecting frame 1, when the gate valve needs to be closed, a worker rotates the screwing disc 3, the screwing disc 3 rotates to drive the screw rod 31 to move downwards, the screw rod 31 moves downwards to drive the transmission frame 42 to move downwards, the transmission frame 42 drives the sliding plate 41, the gate plate 45 of the support frame 44, the rubber strip 46, the limiting frame 61, the vertical extrusion frame 62, the arc extrusion frame 63, the guide rod 64, the extrusion plate 65 and the swinging strip 66 move downwards, the rubber strip 46 is contacted with the inner bottom of the connecting frame 1, then the worker continuously rotates the screwing disc 3, the screw rod 31 and the transmission frame 42 move downwards, the rubber strip 46 is contacted with the inner bottom of the connecting frame 1, the rubber strip 46, the gate plate 45, the support frame 44 and the sliding plate 41 stop moving downwards, so that the transmission spring 43 is compressed, the transmission frame 42 moves downwards to drive the swinging strip 66 to swing a certain angle, the extrusion plate 65 to move towards the direction close to the gate plate 45, the two vertical extrusion frames 62 to each other, simultaneously pushes the two vertical extrusion frames 62 to move towards the direction away from each other, the two extrusion plates 63 are pushed by the arc extrusion frames, the two extrusion frames are contacted with the inner bottom of the sealing strip 46, and the sealing strip 46 can be contacted with the inner bottom of the arc extrusion frame 1, and the sealing strip 46 can be contacted with the inner bottom of the sealing strip 1, and the sealing strip is sealed, the sealing strip is contacted with the inner bottom of the sealing strip 46, and the sealing strip 1 is contacted with the sealing strip is contacted with the inner bottom of the sealing strip 1, the application can reduce the friction force between the rubber strip 46 and the inner bottom of the connecting frame 1 in the sealing process, thereby reducing the abrasion of the rubber strip 46 and prolonging the service life of the rubber strip 46; when the gate valve needs to be opened, a worker reversely rotates the screwing disc 3, the screwing disc 3 drives the screw rod 31 to move upwards, the screw rod 31 drives the transmission frame 42 to move upwards, the transmission spring 43 resets, the transmission frame 42 continues to move upwards and drives the sliding plate 41, the gate plate 45 of the support frame 44, the rubber strip 46, the limiting frame 61, the vertical extrusion frame 62, the arc extrusion frame 63, the guide rod 64, the extrusion plate 65 and the swinging strip 66 to move upwards, the transmission frame 42 drives the swinging strip 66 to swing reversely, the swinging strip 66 drives the extrusion plate 65 to move reversely and reset, the extrusion plate 65 does not extrude the vertical extrusion frame 62 and the arc extrusion frame 63 any more, the vertical extrusion frame 62 and the arc extrusion frame 63 do not extrude the rubber strip 46 any more, and when the rubber strip 46 moves upwards to be separated from the inner bottom of the connecting frame 1, water in the connecting frame 1 starts to circulate.
Example 2: on the basis of embodiment 1, as shown in fig. 6-8, the device further comprises a flow guiding frame 71 and an opening plate 72, wherein two flow guiding frames 71 are fixedly connected between the two flashboards 45, the two flow guiding frames 71 are symmetrically arranged, the two opening plates 72 are fixedly connected to the lower part of the transmission frame 42, the opening plates 72 are slidably connected with the flow guiding frames 71, round holes are formed in the two opening plates 72, flow guiding holes 73 are formed in the two flow guiding frames 71, the flow guiding holes 73 in the flow guiding frames 71 and the round holes in the opening plates 72 are located on the same horizontal plane, and the flow guiding holes 73 can allow water to pass through, so that impact force of water flow on the flashboards 45 and the rubber strips 46 is reduced.
Initially, the diversion holes 73 on the diversion frame 71 and the round holes on the perforated plate 72 are positioned on the same horizontal plane, in the process that the sliding plate 41, the transmission frame 42 and the flashboard 45 start to move downwards, the transmission frame 42 drives the perforated plate 72 to move downwards, the flashboard 45 drives the diversion frame 71 to move downwards, the diversion holes 73 and the round holes on the perforated plate 72 keep the same horizontal plane, and a small part of water in the connection frame 1 can pass through the diversion holes 73, so that the water flow impact force suffered by the rubber strip 46 can be relieved, the abrasion of the rubber strip 46 is further reduced, and the service life of the rubber strip 46 is further prolonged; when the sliding plate 41 and the transmission frame 42 continue to move downwards, the transmission frame 42 drives the perforated plate 72 to move downwards, and the circular holes on the perforated plate 72 and the diversion holes 73 on the diversion frame 71 are dislocated and not in the same horizontal plane, so that the perforated plate 72 can block the diversion holes 73, and water in the connection frame 1 does not pass through the diversion holes 73 any more because the rubber strip 46 is in contact with the inner bottom of the connection frame 1.
Example 3: on the basis of embodiment 2, as shown in fig. 8-10, the device further comprises a cleaning component, the cleaning component for cleaning silt is arranged on the limiting frame 61, the cleaning component is connected with the supporting frame 44, the cleaning component comprises an extrusion pipe 81, a guide ring 82, a transmission clamping rod 83 and an arc-shaped soft board 84, the extrusion pipe 81 is arranged at the bottom of the limiting frame 61, a spiral groove is formed in the extrusion pipe 81, the guide ring 82 is rotatably connected to the lower portion of the supporting frame 44, the transmission clamping rod 83 is connected to the guide ring 82 in a sliding mode, the transmission clamping rod 83 is arranged vertically, the upper end of the transmission clamping rod 83 is connected to the spiral groove on the extrusion pipe 81 in a sliding mode, the bottom end of the transmission clamping rod 83 is fixedly connected with the arc-shaped soft board 84, the arc-shaped soft board 84 is parallel to the limiting frame 61, and the arc-shaped soft board 84 is used for cleaning the inner bottom of the connecting frame 1.
When the limiting frame 61 moves downwards, the extrusion pipe 81, the transmission clamping rod 83 and the arc-shaped soft plate 84 are driven to move downwards, meanwhile, the support frame 44 drives the guide ring 82 to move downwards, when the arc-shaped soft plate 84 moves downwards to be in contact with the inner bottom of the connecting frame 1, the arc-shaped soft plate 84 and the transmission clamping rod 83 stop moving downwards, the limiting frame 61 and the support frame 44 continue to move downwards, so that the extrusion pipe 81 and the guide ring 82 are driven to move downwards continuously, the spiral groove on the extrusion pipe 81 can extrude the upper end of the transmission clamping rod 83, the transmission clamping rod 83 and the arc-shaped soft plate 84 rotate, the transmission clamping rod 83 can drive the guide ring 82 to rotate, the arc-shaped soft plate 84 rotates to clean the inner bottom of the connecting frame 1, sediment can be cleaned, the inner bottom of the connecting frame 1 is positioned below the rubber strips 46, then the extrusion pipe 81 continues to move downwards, the arc-shaped soft plate 84 can rotate to be parallel to the limiting frame 61, the arc-shaped soft plate 84 can be embedded between the two rubber strips 46, the inner bottom of the connecting frame 1 can be cleaned by the arc-shaped soft plate 84, the inner bottom of the connecting frame 1 can be better contacted with the inner bottom of the connecting frame 1, and the inner bottom of the connecting frame 1 can be better sealed, and the inner sealing effect can be further fully blocked; when the limiting frame 61 moves upwards, the extrusion tube 81 is driven to move upwards, the extrusion tube 81 drives the transmission clamping rod 83 and the arc-shaped soft plate 84 to rotate reversely, and then the limiting frame 61 continues to move upwards to drive the extrusion tube 81, the transmission clamping rod 83 and the arc-shaped soft plate 84 to move upwards to reset.
Example 4: on the basis of embodiment 3, as shown in fig. 11 and 12, an anti-deflection assembly is further included, which is used for preventing the flashboard 45 from deflection due to error contact, the anti-deflection assembly is arranged on the screwing disc 3, the anti-deflection assembly is connected with the connecting frame 1, the anti-deflection assembly comprises a rubber plate 91, a squeeze rod 92, a clamping ring 93, a telescopic spring 94, a first wedge block 95, a second wedge block 951 and a fixed ring 96, a plurality of squeeze rods 92 are connected on the screwing disc 3 in a sliding manner, the plurality of squeeze rods 92 are located around the screw 31, round balls are arranged at one ends of the plurality of squeeze rods 92 close to each other, rubber plates 91 are fixedly connected at one ends of the plurality of squeeze rods 92, a clamping ring 93 is connected on the screwing disc 3 in a sliding manner, a plurality of telescopic springs 94 are connected between the clamping ring 93 and the screwing disc 3, the upper portion of the clamping ring 93 is fixedly connected with three first wedge blocks 95 and the three second wedge blocks 951, the three second wedge blocks 95 are adjacent, the three second wedge blocks 951 are all adjacent, the upper portions of the three first wedge blocks 95 are all provided with a plurality of wedge blocks, the two wedge blocks are provided with a plurality of clamping rings 96, the two wedge blocks are all provided with a plurality of clamping rings 96, the upper wedge blocks are connected with a plurality of clamping rings 96, and the upper wedge blocks are fixedly connected with a plurality of clamping rings 96, and the upper fixing rings 96 are fixedly arranged at the upper portions of the two wedge blocks are fixedly connected with the upper wedge blocks.
Initially, the snap-in ring 93 is in contact with the fixing ring 96, the fixing ring 96 is used for clamping the snap-in ring 93, the snap-in ring 93 and the screwing disc 3 can not rotate temporarily, when a worker needs to rotate the screwing disc 3, the worker can contact with the rubber plate 91, the worker can press one of the rubber plates 91 close to the first wedge-shaped block 95, one of the rubber plates 91 can drive one of the extrusion rods 92 to move towards the direction close to the screw 31, one of the extrusion rods 92 can extrude the first wedge-shaped block 95 to move upwards, one of the first wedge-shaped block 95 can drive the snap-in ring 93 to move upwards, the snap-in ring 93 drives the second wedge-shaped block 951 to move upwards, inclined surfaces at the lower parts of the three wedge-shaped blocks 951 can be respectively in contact with the three extrusion rods 92, meanwhile, the worker can press the other rubber plate 91 close to the second wedge-shaped block 951, the other rubber plate 91 is located opposite to the one of the rubber plate 91, the other one of the rubber plates 91 can drive the other extrusion rods 92 to move, the other extrusion rod 92 can extrude the second wedge-shaped block 951 to move upwards, the second wedge-shaped block 951 can drive the snap-in ring 93 to move upwards, and the snap-in ring 93 can not rotate relative to the fixing disc 3, and the two wedge-shaped blocks can not rotate relative to the screwing disc 93, and only the screwing disc 3 can rotate when the two wedge-shaped blocks are screwed into the fixing disc 3; when one of the rubber plates 91 near the first wedge-shaped block 95 is touched by mistake, one of the rubber plates 91 and one of the extrusion rods 92 move, one of the extrusion rods 92 extrudes one of the first wedge-shaped blocks 95 to move upwards, so that the snap-in ring 93 is driven to move upwards, but the distance of the upward movement of the snap-in ring 93 is smaller and the snap-in ring 96 cannot be separated, so that the snap-in ring 93 cannot rotate, when one of the rubber plates 91 near the second wedge-shaped block 951 is touched by mistake, one of the extrusion rods 92 contacts with the upper part of one of the second wedge-shaped blocks 951, one of the extrusion rods 92 cannot move with one of the rubber plates 91, and the snap-in ring 93 cannot move upwards, so that the snap-in ring 93 cannot rotate, and therefore the rotation of the rotary disc 3 caused by the error touch can be avoided, and the deflection of the flashboard 45 due to the error touch can be avoided.
Example 5: on the basis of the embodiment 4, as shown in fig. 4, the device further comprises a guiding soft board 10, wherein the guiding soft board 10 is fixedly connected to the lower part of one rubber strip 46, and the guiding soft board 10 is used for guiding fine sand in water.
When one of the rubber strips 46 moves downwards, the guide soft board 10 is driven to move downwards, the guide soft board 10 is contacted with the inner bottom of the connecting frame 1, and under the guide action of the guide soft board 10, fine sand in water flow in the connecting frame 1 can move upwards along the guide soft board 10, so that the fine sand can be prevented from being accumulated at the bottom of the rubber strip 46, and the rubber strip 46 is prevented from being worn.
It should be understood that this example is only illustrative of the application and is not intended to limit the scope of the application. Furthermore, it should be understood that various changes and modifications can be made by one skilled in the art after reading the teachings of the present application, and such equivalents are intended to fall within the scope of the application as defined in the appended claims.
Claims (7)
1. The utility model provides a multilayer soft seal gate valve, which is characterized by, including connecting frame (1), supporting ring (2), twist dish (3), screw rod (31), soft seal assembly and extrusion subassembly, connecting frame (1) top rigid coupling has supporting ring (2), be connected with on supporting ring (2) and twist dish (3) soon, be connected with screw rod (31) through the threaded connection on twisting dish (3), screw rod (31) pass supporting ring (2), screw rod (31) bottom is equipped with the soft seal assembly that is used for closing floodgate to connecting frame (1), be equipped with the extrusion subassembly that is used for improving the leakproofness on the soft seal assembly;
the soft sealing assembly comprises a sliding plate (41), a transmission frame (42), a transmission spring (43), a support frame (44), flashboards (45) and rubber strips (46), wherein the transmission frame (42) is fixedly connected to the bottom end of a screw rod (31), the sliding plate (41) is connected to the transmission frame (42) in a sliding manner, the transmission spring (43) is connected between the transmission frame (42) and the sliding plate (41), the sliding plate (41) is connected with the upper portion of the connecting frame (1) in a sliding manner, the support frame (44) is fixedly connected to the bottom of the sliding plate (41), two flashboards (45) are fixedly connected to the support frame (44), the two flashboards (45) are symmetrically arranged, and the rubber strips (46) are fixedly connected to the edges of the two flashboards (45).
2. The multi-layer soft sealing gate valve according to claim 1, wherein the extrusion assembly comprises a limiting frame (61), vertical extrusion frames (62), guide rods (64), extrusion plates (65) and swinging strips (66), the bottom of the sliding plate (41) is fixedly connected with the limiting frame (61), the limiting frame (61) is located between the two sliding plates (45), the limiting frame (61) is connected with the two vertical extrusion frames (62) in a sliding mode, the two vertical extrusion frames (62) are symmetrically arranged, the two vertical extrusion frames (62) are simultaneously contacted with the upper portions of the two rubber strips (46), a plurality of arc extrusion frames (63) are connected to the limiting frame (61) in a sliding mode, the plurality of arc extrusion frames (63) are simultaneously contacted with the lower portions of the two rubber strips (46), the two guide rods (64) are fixedly connected with the extrusion plates (65) in a sliding mode between the two guide rods (64), the extrusion plates (65) are simultaneously contacted with the two vertical extrusion frames (62) and the plurality of extrusion frames (63), and the bottom of the arc extrusion frames (66) are connected with the swinging strips (42) in a sliding mode.
3. The multi-layer soft sealing gate valve according to claim 2, further comprising a flow guiding frame (71) and an opening plate (72), wherein two flow guiding frames (71) are fixedly connected between the two gate plates (45), the two flow guiding frames (71) are symmetrically arranged, the two opening plates (72) are fixedly connected to the lower portion of the transmission frame (42), the opening plates (72) are slidably connected with the flow guiding frames (71), round holes are formed in the two opening plates (72), flow guiding holes (73) are formed in the two flow guiding frames (71), and the flow guiding holes (73) in the flow guiding frames (71) and the round holes in the opening plates (72) are located on the same horizontal plane.
4. The multi-layer soft sealing gate valve as claimed in claim 3, further comprising a cleaning assembly, wherein the cleaning assembly is arranged on the limiting frame (61), the cleaning assembly is connected with the supporting frame (44), the cleaning assembly comprises an extrusion pipe (81), a guide ring (82), a transmission clamping rod (83) and an arc-shaped soft plate (84), the extrusion pipe (81) is arranged at the bottom of the limiting frame (61), a spiral groove is formed in the extrusion pipe (81), the lower part of the supporting frame (44) is rotatably connected with the guide ring (82), the transmission clamping rod (83) is connected with the guide ring (82) in a sliding mode, and the upper end of the transmission clamping rod (83) is connected with the spiral groove on the extrusion pipe (81) in a sliding mode, and the arc-shaped soft plate (84) is fixedly connected to the bottom end of the transmission clamping rod (83).
5. The multi-layer soft sealing gate valve of claim 4, further comprising an anti-deflection component, wherein the anti-deflection component is arranged on the screwing disc (3), the anti-deflection component is connected with the connecting frame (1), the anti-deflection component comprises a rubber plate (91), a squeeze rod (92), a clamping ring (93), a telescopic spring (94), a first wedge (95), a second wedge (951) and a fixed ring (96), the screwing disc (3) is connected with a plurality of squeeze rods (92) in a sliding manner, one ends, far away from each other, of the plurality of squeeze rods (92) are fixedly connected with the rubber plate (91), the screwing disc (3) is connected with a clamping ring (93) in a sliding manner, a plurality of telescopic springs (94) are connected between the clamping ring (93) and the screwing disc (3), the upper portion of the clamping ring (93) is fixedly connected with a first wedge (95) and a second wedge (951), the first wedge (95) is adjacent, the second wedge (951) is adjacent, the first wedge (95) is provided with a plurality of clamping grooves (96), and the second wedge (951) is provided with a plurality of clamping grooves (96).
6. A multi-layered soft sealing gate valve according to claim 5, characterized in that the ends of the plurality of squeeze rods (92) which are adjacent to each other are provided with balls.
7. The multi-layer soft sealing gate valve of claim 5, further comprising a guiding soft plate (10), wherein the guiding soft plate (10) is fixedly connected to the lower portion of one of the rubber strips (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311367200.6A CN117108768B (en) | 2023-10-21 | 2023-10-21 | Multi-layer soft sealing gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311367200.6A CN117108768B (en) | 2023-10-21 | 2023-10-21 | Multi-layer soft sealing gate valve |
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| CN117108768A true CN117108768A (en) | 2023-11-24 |
| CN117108768B CN117108768B (en) | 2023-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311367200.6A Active CN117108768B (en) | 2023-10-21 | 2023-10-21 | Multi-layer soft sealing gate valve |
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|---|---|---|---|---|
| GB820117A (en) * | 1955-12-29 | 1959-09-16 | Crane Co | Improvements in gate valves |
| JP2010216617A (en) * | 2009-03-18 | 2010-09-30 | Kurimoto Ltd | Soft sealing gate valve |
| WO2021100024A1 (en) * | 2019-11-21 | 2021-05-27 | Van Der Merwe Jacques | A gate valve |
| CN213685352U (en) * | 2020-11-10 | 2021-07-13 | 福建力盾实业有限公司 | Adjustable gate valve |
| KR102294906B1 (en) * | 2021-01-07 | 2021-08-27 | 조규성 | Gate valve with drain and inspectable inlet |
| CN113700886A (en) * | 2021-08-09 | 2021-11-26 | 凯斯通阀门有限公司 | Elastic self-sealing gate valve |
| CN215334585U (en) * | 2021-06-22 | 2021-12-28 | 江苏花山阀门有限公司 | Gate valve with good water impact resistance |
| KR102362195B1 (en) * | 2021-09-13 | 2022-02-14 | 문재희 | Valve assembly with glove joint for high temperature district heating |
-
2023
- 2023-10-21 CN CN202311367200.6A patent/CN117108768B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB820117A (en) * | 1955-12-29 | 1959-09-16 | Crane Co | Improvements in gate valves |
| JP2010216617A (en) * | 2009-03-18 | 2010-09-30 | Kurimoto Ltd | Soft sealing gate valve |
| WO2021100024A1 (en) * | 2019-11-21 | 2021-05-27 | Van Der Merwe Jacques | A gate valve |
| CN213685352U (en) * | 2020-11-10 | 2021-07-13 | 福建力盾实业有限公司 | Adjustable gate valve |
| KR102294906B1 (en) * | 2021-01-07 | 2021-08-27 | 조규성 | Gate valve with drain and inspectable inlet |
| CN215334585U (en) * | 2021-06-22 | 2021-12-28 | 江苏花山阀门有限公司 | Gate valve with good water impact resistance |
| CN113700886A (en) * | 2021-08-09 | 2021-11-26 | 凯斯通阀门有限公司 | Elastic self-sealing gate valve |
| KR102362195B1 (en) * | 2021-09-13 | 2022-02-14 | 문재희 | Valve assembly with glove joint for high temperature district heating |
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| Publication number | Publication date |
|---|---|
| CN117108768B (en) | 2023-12-19 |
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