CN114382905B - Reliable flat gate valve with sand prevention function - Google Patents
Reliable flat gate valve with sand prevention function Download PDFInfo
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- CN114382905B CN114382905B CN202111465351.6A CN202111465351A CN114382905B CN 114382905 B CN114382905 B CN 114382905B CN 202111465351 A CN202111465351 A CN 202111465351A CN 114382905 B CN114382905 B CN 114382905B
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- 239000004576 sand Substances 0.000 title claims abstract description 32
- 230000002265 prevention Effects 0.000 title claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 230000001681 protective effect Effects 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000009825 accumulation Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 210000000476 body water Anatomy 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
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
- F16K3/02—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
- F16K3/0281—Guillotine or blade-type valves, e.g. no passage through the valve member
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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
- 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
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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
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/54—Mechanical actuating means with toothed gearing with pinion and rack
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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
- F16K31/60—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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding Valves (AREA)
Abstract
The invention relates to the technical field of flat gate valves, in particular to a reliable flat gate valve with a sand prevention function, which reduces gravel accumulation, reduces torsion force during valve plate position adjustment, reduces friction loss of a device and prolongs the service life of the device; the flat gate valve comprises a flat gate valve body, a sealing gasket, a control mechanism and a driving mechanism, wherein the control mechanism is arranged in a cavity of the flat gate valve body in a sliding manner in a matched manner, the driving mechanism is arranged at the top end of the flat gate valve body, and the driving mechanism is connected with the control mechanism in a matched manner; the control mechanism comprises a valve plate, a transmission beam, a sliding sleeve, a straight rack, a limiting plate, a connecting pin, a sealing ring, springs and an adjusting mechanism, wherein the straight rack is symmetrically arranged at two ends of the transmission beam, the straight rack is connected with the driving mechanism in a matched mode, the limiting plate is arranged at the bottom end of the connecting pin, the connecting pin is connected with the middle of the flat gate valve body in a matched sliding mode, the adjusting mechanism is arranged in the inner cavity at the bottom of the flat gate valve body, and the bottoms of the groups of springs are arranged at the top end of the adjusting mechanism.
Description
Technical Field
The invention relates to the technical field of flat gate valves, in particular to a reliable flat gate valve with a sand prevention function.
Background
As is well known, flat gate valves are sliding valves whose closure members are parallel gate plates. The closure member may be a single shutter or a double shutter with a spreader mechanism therebetween. The pressing force of the shutter against the valve seat is controlled by the pressure of the medium acting on the floating shutter or the floating valve seat. In the case of a double-gate flat gate valve, the hold-down force can be supplemented by a spreader mechanism between the two gates. The flat gate valve can be divided into a manual flat gate valve, a pneumatic flat gate valve and an electric flat gate valve according to a driving mode. The device can be divided into a flat gate valve with a diversion hole, a flat gate valve without a diversion hole, an oilfield flat gate valve, a pipeline flat gate valve, a gas flat gate valve and the like according to purposes and application occasions.
Unlike traditional land valve, the design life of the underwater flat gate valve is generally over 20 years, the requirements of API and 6A, API D performance test are required to be met, the current symmetrical structure of the underwater flat gate valve generally comprises a valve body, two valve seats and a flashboard, and the valve plate slides up and down between the two valve seats to open or close the flat gate valve. But often contain the grit in the oil gas, the grit gets into the clearance between valve body and the disk seat easily, and when the grit accumulated too much, can cause the disk seat to not float, increase flat gate valve opens and closes torque force for wearing and tearing between disk seat and the valve plate shorten flat gate valve's life.
Disclosure of Invention
In order to solve the technical problems, the invention provides the reliable flat gate valve with the sand prevention function, which reduces the accumulation of gravel, reduces the torsion force during valve plate position adjustment, reduces the friction loss of the device and prolongs the service life of the device.
The invention relates to a reliable flat gate valve with a sand prevention function, which comprises a flat gate valve body, sealing gaskets, a control mechanism and a driving mechanism, wherein the sealing gaskets are arranged at water holes at the left end and the right end of the flat gate valve body in a matched manner, the control mechanism is arranged in a cavity of the flat gate valve body in a matched sliding manner, the driving mechanism is arranged at the top end of the flat gate valve body, and the driving mechanism is connected with the control mechanism in a matched manner; the control mechanism comprises a valve plate, a transmission beam, sliding sleeves, straight racks, limiting plates, connecting pins, sealing rings, springs and an adjusting mechanism, wherein the valve plate is matched with the cavity in the middle of the flat gate valve body in a sliding mode, the transmission beam is matched with the top end of the valve plate, the sliding sleeves are respectively arranged in through holes in the top ends of the flat gate valve body, the transmission beam is matched with the sliding sleeves in a sliding mode, the straight racks are symmetrically arranged at the two ends of the transmission beam, the straight racks are matched with the driving mechanism to be connected, the bottom ends of the valve plate are provided with connecting grooves, the limiting plates are arranged at the bottom ends of the connecting pins, the connecting pins are matched with the cavity in the middle of the flat gate valve body in a sliding mode, the sealing rings are arranged at the top ends of the cavity in the middle of the flat gate valve body and are matched with the connecting pins in a sliding mode, the top ends of the connecting pins are arranged to be conical, the adjusting mechanism is arranged in the bottom cavity in the bottom of the flat gate valve body, and the multiple groups of the spring tops are arranged at the bottom ends of the limiting plates.
The invention relates to a reliable flat gate valve with a sand prevention function, which comprises a first bearing, a threaded rod and an adjusting plate, wherein the first bearing is arranged in a slotted hole at the bottom end of a flat gate valve body, the threaded rod is coaxially and cooperatively connected with the first bearing, the adjusting plate is cooperatively and slidingly arranged in an inner cavity at the bottom of the flat gate valve body, the threaded rod is cooperatively connected with a threaded hole of the adjusting plate, and the bottoms of a plurality of groups of springs are arranged at the top end of the adjusting plate.
The invention relates to a reliable flat gate valve with a sand prevention function, which comprises a supporting seat, driving gears, a worm wheel and a power mechanism, wherein the supporting seat is arranged at the top end of a flat gate valve body, two groups of driving gears are respectively and rotatably arranged at the top end of the supporting seat and are in meshed connection, the two groups of driving gears are respectively and meshed connection with straight racks at adjacent ends, the worm wheel is coaxially arranged at the right end of a front driving gear, the power mechanism is arranged at the right end of the supporting seat, and the power mechanism is in matched connection with the worm wheel.
The invention relates to a reliable flat gate valve with a sand prevention function, which comprises a connecting seat, a worm and an adjusting hand wheel, wherein the connecting seat is arranged at the right end of a supporting seat, the worm is rotatably arranged at the right end of the connecting seat, the worm is meshed with a worm wheel, and the adjusting hand wheel is coaxially arranged at the front end of the worm.
The invention relates to a reliable flat gate valve with a sand prevention function, which further comprises a protective cover, wherein the bottom end of the protective cover is arranged at the top end of a flat gate valve body, a driving mechanism is positioned in a protective cover groove cavity, and an adjusting hand wheel is positioned outside the protective cover groove cavity.
The invention relates to a reliable flat gate valve with a sand prevention function, which also comprises an adjusting cap, wherein the adjusting cap is coaxially arranged at the bottom end of a threaded rod.
The invention relates to a reliable flat gate valve with a sand prevention function, which also comprises a valve base arranged at the bottom end of a flat gate valve body.
The invention relates to a reliable flat gate valve with a sand prevention function, which also comprises flange plates arranged at the left end and the right end of a flat gate valve body.
Compared with the prior art, the invention has the beneficial effects that: make valve plate and flat gate valve body water inlet and delivery port sliding connection seal increase through sealed pad, make valve plate lift orbit carry out spacingly through sliding sleeve and drive beam cooperation, make drive beam and actuating mechanism cooperation be connected through straight rack, make drive beam drive the valve plate carry out the position adjustment that goes up and down through actuating mechanism and straight rack cooperation connection, make liquid circulation and flow control through valve plate position adjustment, make the connecting pin movable track spacing through the limiting plate, make connecting pin and flat gate valve body logical chamber sliding seal increase through the sealing washer, make the connecting pin upwards promote through multiunit spring cooperation, make connecting pin and valve plate joint strength increase through adjustment mechanism, be provided with the toper through the connecting pin top and make the grit prevent to remain, reduce the grit accumulation, torsion when reducing valve plate position adjustment, reduce device friction loss, improve device life.
Drawings
FIG. 1 is a schematic elevational view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is an enlarged schematic view of the portion A in FIG. 2;
FIG. 4 is an enlarged schematic view of the portion B of FIG. 2;
the reference numerals in the drawings: 1. a flat gate valve body; 2. a sealing gasket; 3. a valve plate; 4. a drive beam; 5. a sliding sleeve; 6. a straight rack; 7. a limiting plate; 8. a connecting pin; 9. a seal ring; 10. a spring; 11. a first bearing; 12. a threaded rod; 13. an adjusting plate; 14. a support base; 15. a drive gear; 16. a worm wheel; 17. a connecting seat; 18. a worm; 19. an adjusting hand wheel; 20. a protective cover; 21. an adjustment cap; 22. a valve base.
Description of the embodiments
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
As shown in fig. 1 to 4, the reliable flat gate valve with the sand prevention function comprises a flat gate valve body 1, a sealing gasket 2, a control mechanism and a driving mechanism, wherein the sealing gasket 2 is arranged at water holes at the left end and the right end of the flat gate valve body 1 in a matched manner, the control mechanism is arranged in a cavity of the flat gate valve body 1 in a matched manner in a sliding manner, the driving mechanism is arranged at the top end of the flat gate valve body 1, and the driving mechanism is connected with the control mechanism in a matched manner; the control mechanism comprises a valve plate 3, a transmission beam 4, a sliding sleeve 5, straight racks 6, limiting plates 7, connecting pins 8, sealing rings 9, springs 10 and an adjusting mechanism, wherein the valve plate 3 is matched and slidably installed in a cavity in the middle of a flat gate valve body 1, the transmission beam 4 is matched and installed at the top end of the valve plate 3, the sliding sleeve 5 is respectively installed in a through hole in the top end of the flat gate valve body 1, the transmission beam 4 is matched and slidably connected with the sliding sleeve 5, the straight racks 6 are symmetrically installed at two ends of the transmission beam 4, the straight racks 6 are matched and connected with a driving mechanism, connecting grooves are formed in the bottom end of the valve plate 3, the limiting plates 7 are installed at the bottom ends of the connecting pins 8, the connecting pins 8 are matched and slidably connected with the cavity in the middle of the flat gate valve body 1, the top ends of the connecting pins 8 are arranged to be conical, the top ends of the connecting pins 8 are matched and connected with the bottom ends of the valve plate 3, the adjusting mechanism is installed in the cavity in the bottom of the flat gate valve body 1, the top ends of a plurality of groups of springs 10 are installed at the bottom ends of the limiting plates 7, and the bottom ends of the plurality of groups of springs 10 are installed at the top ends of the adjusting mechanism; the sealing gasket 2 is used for enabling the water inlet and the water outlet of the valve plate 3 and the flat gate valve body 1 to be in sliding connection with the tightness, the sliding sleeve 5 is matched with the transmission beam 4 to enable the lifting track of the valve plate 3 to be limited, the transmission beam 4 is matched with the driving mechanism through the straight rack 6, the transmission beam 4 is matched with the driving mechanism to enable the valve plate 3 to be driven to carry out lifting position adjustment through the driving mechanism and the straight rack 6, liquid circulation and flow are controlled through the position adjustment of the valve plate 3, the movable track of the connecting pin 8 is limited through the limiting plate 7, the connecting pin 8 and the flat gate valve body 1 are enabled to be in sliding sealing connection with the cavity to be increased through the sealing ring 9, the connecting pin 8 is enabled to push upwards through the matching of the plurality of groups of springs 10, the connecting strength of the connecting pin 8 and the valve plate 3 is increased through the adjusting mechanism, sand and gravel are prevented from remaining through the conical shape arranged at the top end of the connecting pin 8, the sand gravel accumulation is reduced, torsion force during the position adjustment of the valve plate 3 is reduced, friction loss of the device is reduced, and service life of the device is prolonged.
The invention relates to a reliable flat gate valve with a sand prevention function, which comprises a first bearing 11, a threaded rod 12 and an adjusting plate 13, wherein the first bearing 11 is arranged in a slotted hole at the bottom end of a flat gate valve body 1, the threaded rod 12 is coaxially and cooperatively connected with the first bearing 11, the adjusting plate 13 is cooperatively and slidingly arranged in an inner cavity at the bottom of the flat gate valve body 1, the threaded rod 12 is cooperatively connected with a threaded hole of the adjusting plate 13, and the bottom ends of a plurality of groups of springs 10 are arranged at the top end of the adjusting plate 13; the threaded rod 12 is matched and rotated with the flat gate valve body 1 through the first bearing 11, the threaded rod 12 rotates and is matched and connected with the threaded hole of the adjusting plate 13 to enable the elastic force of the plurality of groups of springs 10 to be adjusted, the connection strength of the valve plate 3 and the connecting pin 8 is increased through the elastic force adjustment of the springs 10, convenience of a slot hole of a device is improved, working diversity of the device is improved, and use limitation is reduced.
The invention relates to a reliable flat gate valve with a sand prevention function, which comprises a supporting seat 14, driving gears 15, a worm wheel 16 and a power mechanism, wherein the supporting seat 14 is arranged at the top end of a flat gate valve body 1, two groups of driving gears 15 are respectively and rotatably arranged at the top end of the supporting seat 14, the two groups of driving gears 15 are in meshed connection, the two groups of driving gears 15 are respectively and rotatably meshed with straight racks 6 at adjacent ends, the worm wheel 16 is coaxially arranged at the right end of a front driving gear 15, the power mechanism is arranged at the right end of the supporting seat 14, and the power mechanism is in matched connection with the worm wheel 16; make two sets of drive gear 15 rotate and support on flat gate valve body 1 top through supporting seat 14, make through two sets of drive gear 15 meshing connection rotate synchronous and reverse rotation, make drive beam 4 drive valve plate 3 position and adjust through drive gear 15 rotation and straight rack 6 meshing connection, increase device and adjust through efficiency, improve the device and control the convenience, reduce the use degree of difficulty.
The invention relates to a reliable flat gate valve with a sand prevention function, which comprises a connecting seat 17, a worm 18 and an adjusting hand wheel 19, wherein the connecting seat 17 is arranged at the right end of a supporting seat 14, the worm 18 is rotatably arranged at the right end of the connecting seat 17, the worm 18 is in meshed connection with a worm wheel 16, and the adjusting hand wheel 19 is coaxially arranged at the front end of the worm 18; the worm 18 is matched with the supporting seat 14 to be connected in a rotating way through the connecting seat 17, the worm 18 is meshed with the worm wheel 16 to enable the device to be driven to have a self-locking function, the rotating difficulty of the worm 18 is reduced through the adjusting hand wheel 19, the adjusting work efficiency of the device is improved, and the control convenience of the device is improved.
The invention relates to a reliable flat gate valve with a sand prevention function, which also comprises a protective cover 20, wherein the bottom end of the protective cover 20 is arranged at the top end of a flat gate valve body 1, a driving mechanism is positioned in a groove cavity of the protective cover 20, and an adjusting hand wheel 19 is positioned outside the groove cavity of the protective cover 20; the driving mechanism is safely protected through the protective cover 20, so that the transmission stability of the device is improved, the service life of the device is prolonged, and the attractiveness of the device is improved.
The invention relates to a reliable flat gate valve with a sand prevention function, which also comprises an adjusting cap 21, wherein the adjusting cap 21 is coaxially arranged at the bottom end of a threaded rod 12; the threaded rod 12 is enabled to rotate through the adjusting cap 21, so that the adjusting convenience of the device is improved, the functional diversity of the device is improved, and the adjusting efficiency of the device is improved.
The invention relates to a reliable flat gate valve with a sand prevention function, which also comprises a valve base 22 arranged at the bottom end of a flat gate valve body 1; the valve base 22 is arranged at the bottom end of the flat gate valve body 1, so that the device is convenient to fixedly mount, the working stability of the device is improved, and the adaptability of the device is improved.
The invention relates to a reliable flat gate valve with a sand prevention function, which also comprises flange plates arranged at the left end and the right end of a flat gate valve body 1; the flange plates at the left end and the right end of the flat gate valve body 1 are used for improving the convenience of assembly and connection of the device, improving the functional diversity of the device and reducing the use limitation.
The reliable flat gate valve with the sand control function is common in mechanical mode in the installation mode, connection mode or arrangement mode, and can be implemented as long as the beneficial effects of the flat gate valve can be achieved.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (8)
1. The reliable flat gate valve with the sand prevention function is characterized by comprising a flat gate valve body (1), a sealing gasket (2), a control mechanism and a driving mechanism, wherein the sealing gasket (2) is arranged at water holes at the left end and the right end of the flat gate valve body (1) in a matched manner, the control mechanism is arranged in a cavity of the flat gate valve body (1) in a matched manner in a sliding manner, the driving mechanism is arranged at the top end of the flat gate valve body (1), and the driving mechanism is connected with the control mechanism in a matched manner;
the control mechanism comprises a valve plate (3), a transmission beam (4), a sliding sleeve (5), straight racks (6), a limiting plate (7), a connecting pin (8), a sealing ring (9), a spring (10) and an adjusting mechanism, wherein the valve plate (3) is matched and slidably installed in a middle cavity of a flat gate valve body (1), the transmission beam (4) is matched and installed at the top end of the valve plate (3), the sliding sleeve (5) is respectively installed in a through hole at the top end of the flat gate valve body (1), the transmission beam (4) is matched and slidably connected with the sliding sleeve (5), the straight racks (6) are symmetrically installed at two ends of the transmission beam (4), the straight racks (6) are matched and connected with the driving mechanism, the bottom end of the valve plate (3) is provided with a connecting groove, the limiting plate (7) is installed at the bottom end of the connecting pin (8), the connecting pin (8) is matched and slidably connected with a middle through cavity of the flat gate valve body (1), the sealing ring (9) is installed at the top end of the middle through cavity of the flat gate valve body (1) and is matched and slidably connected with the connecting pin (8), the top end of the connecting pin (8) is arranged into a cone shape, the top end of the connecting pin (8) is matched and connected with the top end of the valve plate (3) and the bottom end of the connecting pin (3) is matched and connected with the bottom end of the connecting mechanism, the bottom ends of the plurality of groups of springs (10) are arranged at the top end of the adjusting mechanism.
2. The reliable flat gate valve with the sand prevention function according to claim 1, wherein the adjusting mechanism comprises a first bearing (11), a threaded rod (12) and an adjusting plate (13), the first bearing (11) is installed in a slotted hole at the bottom end of the flat gate valve body (1), the threaded rod (12) is connected with the first bearing (11) in a coaxial matching manner, the adjusting plate (13) is installed in an inner cavity at the bottom of the flat gate valve body (1) in a matching sliding manner, the threaded rod (12) is connected with a threaded hole of the adjusting plate (13) in a matching manner, and the bottoms of the plurality of groups of springs (10) are installed at the top end of the adjusting plate (13).
3. The reliable flat gate valve with the sand prevention function according to claim 1, wherein the driving mechanism comprises a supporting seat (14), driving gears (15), a worm wheel (16) and a power mechanism, the supporting seat (14) is arranged at the top end of the flat gate valve body (1), two groups of driving gears (15) are respectively rotatably arranged at the top end of the supporting seat (14), the two groups of driving gears (15) are in meshed connection, the two groups of driving gears (15) are respectively in meshed connection with straight racks (6) at the adjacent ends, the worm wheel (16) is coaxially arranged at the right end of the front driving gear (15), the power mechanism is arranged at the right end of the supporting seat (14), and the power mechanism is in matched connection with the worm wheel (16).
4. A reliable flat gate valve with sand control function as claimed in claim 3, characterized in that the power mechanism comprises a connecting seat (17), a worm (18) and an adjusting hand wheel (19), the connecting seat (17) is arranged at the right end of the supporting seat (14), the worm (18) is rotatably arranged at the right end of the connecting seat (17), the worm (18) is meshed with the worm wheel (16), and the adjusting hand wheel (19) is coaxially arranged at the front end of the worm (18).
5. The reliable flat gate valve with the sand prevention function according to claim 4, further comprising a protective cover (20), wherein the bottom end of the protective cover (20) is arranged at the top end of the flat gate valve body (1), the driving mechanism is positioned in a groove cavity of the protective cover (20), and the adjusting hand wheel (19) is positioned outside the groove cavity of the protective cover (20).
6. The reliable flat gate valve with sand control function as claimed in claim 2, further comprising an adjusting cap (21), wherein the adjusting cap (21) is coaxially mounted at the bottom end of the threaded rod (12).
7. The reliable flat gate valve with sand control function as claimed in claim 1, wherein the bottom end of the flat gate valve body (1) is provided with a valve base (22).
8. The reliable flat gate valve with sand control function as claimed in claim 1, wherein flange plates are arranged at the left and right ends of the flat gate valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111465351.6A CN114382905B (en) | 2021-12-03 | 2021-12-03 | Reliable flat gate valve with sand prevention function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111465351.6A CN114382905B (en) | 2021-12-03 | 2021-12-03 | Reliable flat gate valve with sand prevention function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114382905A CN114382905A (en) | 2022-04-22 |
| CN114382905B true CN114382905B (en) | 2023-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111465351.6A Active CN114382905B (en) | 2021-12-03 | 2021-12-03 | Reliable flat gate valve with sand prevention function |
Country Status (1)
| Country | Link |
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| CN (1) | CN114382905B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106051192A (en) * | 2016-07-18 | 2016-10-26 | 泸州大通石油机械厂 | Sand settling preventing flat gate valve |
| CN107939998A (en) * | 2017-11-07 | 2018-04-20 | 甘肃腾越电子科技有限公司 | A kind of shutoff type valve |
| CN212004316U (en) * | 2020-03-19 | 2020-11-24 | 本兴阀门制造有限公司 | Gate valve is encrypted to anticreep |
| CN212429786U (en) * | 2020-04-16 | 2021-01-29 | 航锦科技股份有限公司 | Gate valve suitable for silt-containing medium |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8690124B2 (en) * | 2009-12-11 | 2014-04-08 | Ge Oil & Gas Pressure Control Lp | Gate valve |
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2021
- 2021-12-03 CN CN202111465351.6A patent/CN114382905B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106051192A (en) * | 2016-07-18 | 2016-10-26 | 泸州大通石油机械厂 | Sand settling preventing flat gate valve |
| CN107939998A (en) * | 2017-11-07 | 2018-04-20 | 甘肃腾越电子科技有限公司 | A kind of shutoff type valve |
| CN212004316U (en) * | 2020-03-19 | 2020-11-24 | 本兴阀门制造有限公司 | Gate valve is encrypted to anticreep |
| CN212429786U (en) * | 2020-04-16 | 2021-01-29 | 航锦科技股份有限公司 | Gate valve suitable for silt-containing medium |
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| Publication number | Publication date |
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| CN114382905A (en) | 2022-04-22 |
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Effective date of registration: 20240711 Address after: 224400 No. 166, Tongyu North Road, Funing County, Yancheng City, Jiangsu Province Patentee after: YANCHENG JINGGONG VALVE Co.,Ltd. Country or region after: China Address before: 224000 No. 1 Hope Avenue Middle Road, Tinghu District, Yancheng City, Jiangsu Province Patentee before: YANCHENG INSTITUTE OF TECHNOLOGY Country or region before: China |
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