CN114857292A - Hydraulic pressure system sealing flat gate valve - Google Patents
Hydraulic pressure system sealing flat gate valve Download PDFInfo
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- CN114857292A CN114857292A CN202210346327.9A CN202210346327A CN114857292A CN 114857292 A CN114857292 A CN 114857292A CN 202210346327 A CN202210346327 A CN 202210346327A CN 114857292 A CN114857292 A CN 114857292A
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- hydraulic pressure
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/04—Construction of housing; Use of materials therefor of sliding valves
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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
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
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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 belongs to the technical field of flat gate valves, and particularly relates to a hydraulic pressure sealing flat gate valve which comprises a valve body, wherein two gate plates which are symmetrically distributed on two sides are arranged in the valve body, the top and the bottom of each gate plate are respectively provided with a limiting part, the limiting parts and the gate plates are of an integral structure, first grooves are respectively formed in two sides of each limiting part, a return spring is fixedly connected to the opposite surfaces of the two limiting parts, the other side of each return spring is fixedly connected with a first valve seat, the opposite surfaces of the two first valve seats are respectively fixedly connected with a second valve seat, the opposite surfaces of the two second valve seats positioned above are respectively provided with a second groove, a piston and a pressing block are arranged between the two second grooves, the pressing block is arranged above the piston, and a boss is arranged inside the bottom of the valve body. In the invention, the two flashboards are expanded or contracted through hydraulic transmission, so that forced sealing is realized, and the abrasion to the outer surfaces of the flashboards is avoided.
Description
Technical Field
The invention relates to the technical field of flat gate valves, in particular to a hydraulic pressure system sealing flat gate valve.
Background
A flat gate valve is a sliding valve whose closing member is a parallel gate plate. The plate gate valve may be classified into a manual plate gate valve, a pneumatic plate gate valve, and an electric plate gate valve according to a driving manner. The gate valve can be divided into a plate gate valve with a diversion hole, a plate gate valve without a diversion hole, an oil field plate gate valve, a pipeline plate gate valve, a gas plate gate valve and the like according to the application and the use occasion.
The existing flat gate valve generally drives the flashboard to move up and down through a driving mechanism to realize the opening and closing of the valve, and because the thickness of the flashboard is a fixed value, the surface of the flashboard is abraded in the up-and-down moving process, so that the later-stage tightness is gradually reduced, and therefore, the problem is correspondingly improved.
Disclosure of Invention
Based on the technical problem that the sealing performance of the conventional flat gate valve is reduced due to abrasion of a flashboard, the invention provides a hydraulic pressure system sealing flat gate valve.
The invention provides a hydraulic pressure sealing flat gate valve, which comprises a valve body, wherein two gate plates symmetrically distributed on two sides are arranged in the valve body, the top and the bottom of the flashboard are both provided with a limiting part, the limiting part and the flashboard are of an integral structure, first grooves are respectively arranged at two sides of the limiting parts, a return spring is fixedly connected with one surface of each limiting part which is opposite to the other surface of each limiting part, the other side of the reset spring is fixedly connected with a first valve seat, the opposite surfaces of the two first valve seats are fixedly connected with second valve seats, the opposite surfaces of the two second valve seats positioned above are provided with second grooves, a piston and a pressing block are arranged between the two second grooves, the briquetting sets up in the top of piston, the inside boss that is provided with in valve body bottom, boss and valve body structure as an organic whole, the briquetting is connected with extrusion mechanism.
Preferably, the extrusion mechanism includes the valve gap, valve gap fixed connection is in the top of valve body, valve gap top fixedly connected with sleeve, the sleeve top is provided with the casing, casing and sleeve structure as an organic whole, the internal thread has been seted up on the sleeve, sleeve internal thread connection has the valve rod, the valve rod bottom is rotated and is connected with the T shaped plate, fixed connection between T shaped plate bottom and the briquetting, valve rod top fixedly connected with first bevel gear, first bevel gear is connected with actuating mechanism.
Preferably, the driving mechanism comprises a second bevel gear, a connecting shaft penetrates through the front end of the shell, the connecting shaft is rotatably connected with the shell, a hand wheel is fixedly connected to the front end of the connecting shaft, the second bevel gear is fixedly connected to the rear end of the connecting shaft, and the second bevel gear is in meshed connection with the first bevel gear.
Preferably, a guide groove is formed in the inner wall of the bottom of the first groove, which is close to one side of the return spring, a guide block is connected in the guide groove in a sliding manner, and the guide block is fixedly connected with the first valve seat.
Preferably, two of them the equal fixedly connected with anticreep board of the relative one side of second disk seat, the anticreep board sets up in the top of briquetting.
Preferably, the two sides of the valve body are respectively communicated with a water inlet pipeline and a water outlet pipeline, and the water inlet pipeline and the water outlet pipeline are integrated with the valve body.
Preferably, the inner walls of the two sides of the valve body are provided with blocking parts, and the inner side surfaces of the blocking parts are abutted to the first valve seats.
Preferably, the same O-shaped ring is sleeved on the peripheral outer wall of the piston.
Preferably, the both sides inner wall of valve body is provided with first holding ring and second holding ring respectively, first holding ring and second holding ring all with valve body structure as an organic whole, first holding ring and second holding ring are located the axis at inlet channel and outlet conduit place, first holding ring inner wall fixedly connected with first packing ring, second holding ring inner wall fixedly connected with second packing ring.
Compared with the prior art, the invention provides a hydraulic pressure system sealing flat gate valve, which has the following beneficial effects:
1. according to the hydraulic pressure system sealing flat gate valve, after the flat gate valve is assembled, a sealed cavity is formed among a piston, two gate plates and four second valve seats, hydraulic oil is injected into the sealed cavity in advance, and when the hydraulic pressure system sealing flat gate valve is used, the valve action process is as follows:
opening and closing: the hand wheel is rotated clockwise, then the connecting shaft and the second bevel gear are synchronously driven to rotate, the second bevel gear is meshed to drive the first bevel gear to rotate, the first bevel gear drives the valve rod to rotate synchronously, under the thread fit, the valve rod moves vertically downwards, then the T-shaped plate, the pressing block and the flashboard are synchronously driven to move integrally downwards until the flashboard is contacted with a boss on the valve body and a second valve seat below the flashboard and the boss on the valve body, the hand wheel is continuously rotated, the valve rod starts to compress the piston through the pressing block, the piston moves downwards to extrude hydraulic oil, the hydraulic oil drives the second valve seat, the first valve seat and the flashboard to expand towards two ends until the first valve seat is contacted with the valve body, the hand wheel is continuously rotated, the hydraulic oil is continuously compressed, the expansion force of the hydraulic oil is increased, the sealing specific pressure between the first valve seat and the valve body is increased, and the valve is sealed;
turning off and turning on: the valve rod moves upwards by rotating the hand wheel anticlockwise, then the T-shaped plate and the pressing block are driven to move upwards synchronously, the pressing block is separated from the piston, the first valve seat is separated from the valve body under the action of the return spring, the valve is decompressed, the hand wheel is continuously rotated, the whole gate plate moves upwards, the valve is opened, and therefore the situation that the sealing performance of the gate plate is gradually reduced due to abrasion of the outer surface is avoided.
2. This sealed plate valve of hydraulic pressure system through being provided with O type circle, has cup jointed O type circle on the piston, can improve the sealed effect to hydraulic oil, can reduce scattering and disappearing of hydraulic oil, when hydraulic oil mass was not enough, only need to sealed cavity in add hydraulic oil can to effectively reduce sealed cost.
3. This kind of hydraulic pressure system seals plate valve through being provided with first holding ring, first packing ring and second holding ring, second packing ring, can fix a position first packing ring through first holding ring, improves the fixed effect to first packing ring, improves the fixed effect to the second packing ring through the second holding ring, forms soft sealed and hard sealed combination between valve body and flashboard to further improve sealed effect.
Drawings
Fig. 1 is a schematic view of an overall structure of a hydraulic pressure sealing plate gate valve according to the present invention;
FIG. 2 is a schematic cross-sectional structural view of a hydraulic pressure sealing plate gate valve according to the present invention;
FIG. 3 is an enlarged schematic structural view of a hydraulic pressure sealing plate gate valve according to the present invention;
FIG. 4 is a schematic diagram of a gate plate structure of a hydraulic pressure sealing plate gate valve according to the present invention;
fig. 5 is an enlarged schematic structural diagram of a hydraulic pressure sealing plate gate valve at a position B.
In the figure: 1. a valve body; 2. a water inlet pipe; 3. a water outlet pipeline; 4. a valve cover; 5. a first positioning ring; 6. a first gasket; 7. a second positioning ring; 8. a second gasket; 9. a blocking section; 10. a shutter plate; 11. a limiting part; 12. a first groove; 13. a return spring; 14. a first valve seat; 15. a second valve seat; 16. a second groove; 17. an anti-drop plate; 18. a piston; 19. pressing into blocks; 20. a T-shaped plate; 21. a guide groove; 22. a guide block; 23. a boss; 24. a sleeve; 25. a valve stem; 26. a housing; 27. a first bevel gear; 28. a second bevel gear; 29. a connecting shaft; 30. a handwheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-5, a hydraulic pressure system sealing plate gate valve, including a valve body 1, two gate plates 10 that are bilateral symmetry distribution are provided in the valve body 1, the top and the bottom of the gate plate 10 are provided with spacing portion 11, spacing portion 11 and gate plate 10 are an organic whole structure, first recess 12 has all been seted up to spacing portion 11 both sides, two equal fixedly connected with reset spring 13 in the one side that spacing portion 11 was carried on the back mutually, reset spring 13 opposite side fixedly connected with first disk seat 14, the equal fixedly connected with second disk seat 15 in the one side that two first disk seats 14 are relative, second recess 16 has all been seted up to the one side that two second disk seats 15 that are located the top, be provided with piston 18 and briquetting 19 between two second recesses 16, briquetting 19 sets up in the top of piston 18, inside boss 23 that is provided with in the bottom of valve body 1, boss 23 and valve body 1 are an organic whole structure, briquetting 19 is connected with extrusion mechanism.
Further, the extrusion mechanism includes valve gap 4, valve gap 4 fixed connection is in the top of valve body 1, valve gap 4 top fixedly connected with sleeve 24, sleeve 24 top is provided with casing 26, casing 26 and sleeve 24 structure as an organic whole, the internal thread has been seted up on sleeve 24, sleeve 24 internal thread is connected with valve rod 25, valve rod 25 bottom is rotated and is connected with T-shaped plate 20, fixed connection between T-shaped plate 20 bottom and the briquetting 19, the first bevel gear 27 of valve rod 25 top fixedly connected with, first bevel gear 27 is connected with actuating mechanism.
Further, the driving mechanism comprises a second bevel gear 28, a connecting shaft 29 penetrates through the front end of the housing 26, the connecting shaft 29 is rotatably connected with the housing 26, a hand wheel 30 is fixedly connected to the front end of the connecting shaft 29, the second bevel gear 28 is fixedly connected to the rear end of the connecting shaft 29, and the second bevel gear 28 is in meshed connection with the first bevel gear 27.
Furthermore, a guide groove 21 is formed in the inner wall of the bottom of the first groove 12 on the side close to the return spring 13, a guide block 22 is slidably connected in the guide groove 21, and the guide block 22 is fixedly connected with the first valve seat 14.
Furthermore, the opposite surfaces of the two second valve seats 15 are fixedly connected with anti-falling plates 17, and the anti-falling plates 17 are arranged above the pressing block 19.
Furthermore, both sides of the valve body 1 are respectively communicated with a water inlet pipeline 2 and a water outlet pipeline 3, and the water inlet pipeline 2 and the water outlet pipeline 3 are integrated with the valve body 1.
Further, the inner walls of the two sides of the valve body 1 are provided with blocking parts 9, and the inner side surfaces of the blocking parts 9 abut against the first valve seat 14.
The working principle is as follows: after the flat gate valve is assembled, a closed cavity is formed among the piston 18, the two gate plates 10 and the four second valve seats 15, hydraulic oil is injected into the closed cavity in advance, and when the flat gate valve is used, the valve action process is as follows:
opening and closing: the hand wheel 30 is rotated clockwise, then the connecting shaft 29 and the second bevel gear 28 are synchronously driven to rotate, the second bevel gear 28 is meshed to drive the first bevel gear 27 to rotate, the first bevel gear 27 then drives the valve rod 25 to rotate synchronously, under the screw thread fit, the valve rod 25 vertically moves downwards, then the T-shaped plate 20, the pressing block 19 and the gate plate 10 are synchronously driven to integrally move downwards until the gate plate 10 contacts with the boss 23 on the valve body 1 and the second valve seat 15 below, the hand wheel 30 is continuously rotated, the valve rod 25 starts to compress the piston 18 through the pressing block 19, the piston 18 moves downwards to extrude hydraulic oil, the hydraulic oil drives the second valve seat 15, the first valve seat 14 and the gate plate 10 to expand towards two ends until the first valve seat 14 contacts with the valve body 1, the hand wheel 30 is continuously rotated, the hydraulic oil is continuously compressed, the expansion force of the hydraulic oil is increased, the sealing specific pressure between the first valve seat 14 and the valve body 1 is increased, the valve is sealed;
turning off and turning on: the hand wheel 30 is rotated anticlockwise, the valve rod 25 moves upwards, then the T-shaped plate 20 and the pressing block 19 are driven to move upwards synchronously, the pressing block 19 is separated from the piston 18, the first valve seat 14 is separated from the valve body 1 under the action of the return spring 13, the valve is decompressed, the hand wheel 30 is rotated continuously, the whole gate plate 10 moves upwards, the valve is opened, and therefore the situation that the sealing performance is gradually reduced due to abrasion of the outer surface of the gate plate 10 is avoided.
Example 2
Referring to fig. 1-5, a hydraulic pressure system sealing plate gate valve, including a valve body 1, two gate plates 10 that are bilateral symmetry distribution are provided in the valve body 1, the top and the bottom of the gate plate 10 are provided with spacing portion 11, spacing portion 11 and gate plate 10 are an organic whole structure, first recess 12 has all been seted up to spacing portion 11 both sides, two equal fixedly connected with reset spring 13 in the one side that spacing portion 11 was carried on the back mutually, reset spring 13 opposite side fixedly connected with first disk seat 14, the equal fixedly connected with second disk seat 15 in the one side that two first disk seats 14 are relative, second recess 16 has all been seted up to the one side that two second disk seats 15 that are located the top, be provided with piston 18 and briquetting 19 between two second recesses 16, briquetting 19 sets up in the top of piston 18, inside boss 23 that is provided with in the bottom of valve body 1, boss 23 and valve body 1 are an organic whole structure, briquetting 19 is connected with extrusion mechanism.
Further, the extrusion mechanism includes valve gap 4, valve gap 4 fixed connection is in the top of valve body 1, valve gap 4 top fixedly connected with sleeve 24, sleeve 24 top is provided with casing 26, casing 26 and sleeve 24 structure as an organic whole, the internal thread has been seted up on sleeve 24, sleeve 24 internal thread is connected with valve rod 25, valve rod 25 bottom is rotated and is connected with T-shaped plate 20, fixed connection between T-shaped plate 20 bottom and the briquetting 19, the first bevel gear 27 of valve rod 25 top fixedly connected with, first bevel gear 27 is connected with actuating mechanism.
Further, the driving mechanism comprises a second bevel gear 28, a connecting shaft 29 penetrates through the front end of the housing 26, the connecting shaft 29 is rotatably connected with the housing 26, a hand wheel 30 is fixedly connected to the front end of the connecting shaft 29, the second bevel gear 28 is fixedly connected to the rear end of the connecting shaft 29, and the second bevel gear 28 is in meshed connection with the first bevel gear 27.
Furthermore, a guide groove 21 is formed in the inner wall of the bottom of the first groove 12 on the side close to the return spring 13, a guide block 22 is slidably connected in the guide groove 21, and the guide block 22 is fixedly connected with the first valve seat 14.
Furthermore, one side of each of the two second valve seats 15 opposite to each other is fixedly connected with an anti-falling plate 17, and the anti-falling plates 17 are arranged above the pressing block 19.
Furthermore, both sides of the valve body 1 are respectively communicated with a water inlet pipeline 2 and a water outlet pipeline 3, and the water inlet pipeline 2 and the water outlet pipeline 3 are integrated with the valve body 1.
Further, the inner walls of the two sides of the valve body 1 are provided with blocking parts 9, and the inner side surfaces of the blocking parts 9 abut against the first valve seat 14.
Furthermore, the same O-shaped ring is sleeved on the peripheral outer wall of the piston 18.
Further, the inner walls of the two sides of the valve body 1 are respectively provided with a first positioning ring 5 and a second positioning ring 7, the first positioning ring 5 and the second positioning ring 7 are both integrated with the valve body 1, the first positioning ring 5 and the second positioning ring 7 are located on an axis where the water inlet pipeline 2 and the water outlet pipeline 3 are located, the inner wall of the first positioning ring 5 is fixedly connected with a first gasket 6, and the inner wall of the second positioning ring 7 is fixedly connected with a second gasket 8.
The working principle is as follows: after the flat gate valve is assembled, a closed cavity is formed among the piston 18, the two gate plates 10 and the four second valve seats 15, hydraulic oil is injected into the closed cavity in advance, and when the flat gate valve is used, the valve action process is as follows:
opening and closing: the hand wheel 30 is rotated clockwise, then the connecting shaft 29 and the second bevel gear 28 are synchronously driven to rotate, the second bevel gear 28 is meshed to drive the first bevel gear 27 to rotate, the first bevel gear 27 then drives the valve rod 25 to rotate synchronously, under the screw thread fit, the valve rod 25 vertically moves downwards, then the T-shaped plate 20, the pressing block 19 and the gate plate 10 are synchronously driven to integrally move downwards until the gate plate 10 contacts with the boss 23 on the valve body 1 and the second valve seat 15 below, the hand wheel 30 is continuously rotated, the valve rod 25 starts to compress the piston 18 through the pressing block 19, the piston 18 moves downwards to extrude hydraulic oil, the hydraulic oil drives the second valve seat 15, the first valve seat 14 and the gate plate 10 to expand towards two ends until the first valve seat 14 contacts with the valve body 1, the hand wheel 30 is continuously rotated, the hydraulic oil is continuously compressed, the expansion force of the hydraulic oil is increased, the sealing specific pressure between the first valve seat 14 and the valve body 1 is increased, the valve is sealed;
turning off and turning on: the hand wheel 30 is rotated anticlockwise, the valve rod 25 moves upwards, then the T-shaped plate 20 and the pressing block 19 are driven to move upwards synchronously, the pressing block 19 is separated from the piston 18, the first valve seat 14 is separated from the valve body 1 under the action of the return spring 13, the valve is decompressed, the hand wheel 30 is continuously rotated, the whole gate plate 10 moves upwards, the valve is opened, the sealing performance of the gate plate 10 is prevented from being reduced gradually due to abrasion of the outer surface, furthermore, an O-shaped ring is sleeved on the piston 18, the sealing effect of hydraulic oil can be improved, the loss of the hydraulic oil can be reduced, when the hydraulic oil quantity is insufficient, only the hydraulic oil needs to be added into the sealed cavity, the sealing cost is effectively reduced, further, the first positioning ring 5, the first gasket 6, the second positioning ring 7 and the second gasket 8 are arranged, the first gasket 6 can be positioned through the first positioning ring 5, the fixing effect on the first gasket 6 is improved, the fixing effect on the second gasket 8 is improved through the second positioning ring 7, and a combination of soft sealing and hard sealing is formed between the valve body 1 and the flashboard 10, so that the sealing effect is further improved.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Claims (9)
1. The hydraulic system sealing plate gate valve comprises a valve body (1) and is characterized in that two gate plates (10) which are symmetrically distributed on two sides are arranged in the valve body (1), limiting parts (11) are arranged at the top and the bottom of each gate plate (10), the limiting parts (11) and the gate plates (10) are of an integral structure, first grooves (12) are formed in two sides of each limiting part (11), a reset spring (13) is fixedly connected to one side of each limiting part (11) opposite to the other side of each limiting part, a first valve seat (14) is fixedly connected to the other side of each reset spring (13), a second valve seat (15) is fixedly connected to one side of each first valve seat (14) opposite to the other, second grooves (16) are formed in the two opposite sides of the second valve seats (15) above the two valve seats, and a piston (18) and a pressing block (19) are arranged between the second grooves (16), the pressing block (19) is arranged above the piston (18), a boss (23) is arranged inside the bottom of the valve body (1), the boss (23) and the valve body (1) are of an integrated structure, and the pressing block (19) is connected with an extrusion mechanism.
2. The hydraulic pressure system sealing plate gate valve according to claim 1, wherein the extrusion mechanism comprises a valve cover (4), the valve cover (4) is fixedly connected to the top of the valve body (1), a sleeve (24) is fixedly connected to the top of the valve cover (4), a housing (26) is arranged on the top of the sleeve (24), the housing (26) and the sleeve (24) are of an integral structure, internal threads are formed in the sleeve (24), a valve rod (25) is connected to the inner threads of the sleeve (24), a T-shaped plate (20) is rotatably connected to the bottom of the valve rod (25), the bottom of the T-shaped plate (20) is fixedly connected to the pressure block (19), a first bevel gear (27) is fixedly connected to the top of the valve rod (25), and a driving mechanism is connected to the first bevel gear (27).
3. The hydraulic pressure sealing flat gate valve according to claim 2, characterized in that the driving mechanism comprises a second bevel gear (28), a connecting shaft (29) is arranged at the front end of the housing (26) in a penetrating manner, the connecting shaft (29) and the housing (26) are connected in a rotating manner, a hand wheel (30) is fixedly connected to the front end of the connecting shaft (29), the second bevel gear (28) is fixedly connected to the rear end of the connecting shaft (29), and the second bevel gear (28) is in meshed connection with the first bevel gear (27).
4. A hydraulic pressure sealing plate gate valve according to claim 1, characterized in that the inner wall of the bottom of the first groove (12) near the side of the return spring (13) is provided with a guide groove (21), a guide block (22) is slidably connected in the guide groove (21), and the guide block (22) is fixedly connected with the first valve seat (14).
5. The hydraulic pressure sealing plate gate valve according to claim 1, wherein the two opposite surfaces of the second valve seats (15) are fixedly connected with retaining plates (17), and the retaining plates (17) are arranged above the pressing block (19).
6. The hydraulic pressure sealing flat gate valve according to claim 1, wherein a water inlet pipeline (2) and a water outlet pipeline (3) are respectively communicated with two sides of the valve body (1), and the water inlet pipeline (2) and the water outlet pipeline (3) are integrated with the valve body (1).
7. A hydraulic pressure sealing plate gate valve according to claim 1, characterized in that the inner walls of the valve body (1) are provided with blocking parts (9), and the inner side surfaces of the blocking parts (9) are abutted against the first valve seat (14).
8. The hydraulic pressure system sealing flat gate valve according to claim 1, characterized in that the same O-ring is sleeved on the peripheral outer wall of the piston (18).
9. The hydraulic pressure sealing flat gate valve according to claim 1, characterized in that a first positioning ring (5) and a second positioning ring (7) are respectively arranged on the inner walls of the two sides of the valve body (1), the first positioning ring (5) and the second positioning ring (7) are integrated with the valve body (1), the first positioning ring (5) and the second positioning ring (7) are located on the axis where the water inlet pipe (2) and the water outlet pipe (3) are located, a first gasket (6) is fixedly connected to the inner wall of the first positioning ring (5), and a second gasket (8) is fixedly connected to the inner wall of the second positioning ring (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210346327.9A CN114857292A (en) | 2022-04-02 | 2022-04-02 | Hydraulic pressure system sealing flat gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210346327.9A CN114857292A (en) | 2022-04-02 | 2022-04-02 | Hydraulic pressure system sealing flat gate valve |
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| CN114857292A true CN114857292A (en) | 2022-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210346327.9A Pending CN114857292A (en) | 2022-04-02 | 2022-04-02 | Hydraulic pressure system sealing flat gate valve |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115468034A (en) * | 2022-09-24 | 2022-12-13 | 江苏丰禾机械制造股份有限公司 | Intelligent conical valve shockproof soft and hard lip type self-sealing device applied to pipeline tail end |
| CN116066585A (en) * | 2023-03-03 | 2023-05-05 | 江苏远洋阀门智控股份有限公司 | Pneumatic fireproof flat gate valve |
| CN118066318A (en) * | 2024-04-19 | 2024-05-24 | 福建永强阀门制造有限公司 | Hydraulic labor-saving gate valve |
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2022
- 2022-04-02 CN CN202210346327.9A patent/CN114857292A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115468034A (en) * | 2022-09-24 | 2022-12-13 | 江苏丰禾机械制造股份有限公司 | Intelligent conical valve shockproof soft and hard lip type self-sealing device applied to pipeline tail end |
| CN115468034B (en) * | 2022-09-24 | 2023-10-13 | 江苏丰禾机械制造股份有限公司 | Adjusting method for shock-proof soft and hard lip type sealing pipeline of conical valve |
| CN116066585A (en) * | 2023-03-03 | 2023-05-05 | 江苏远洋阀门智控股份有限公司 | Pneumatic fireproof flat gate valve |
| CN116066585B (en) * | 2023-03-03 | 2023-08-25 | 江苏远洋阀门智控股份有限公司 | Pneumatic fireproof flat gate valve |
| CN118066318A (en) * | 2024-04-19 | 2024-05-24 | 福建永强阀门制造有限公司 | Hydraulic labor-saving gate valve |
| CN118066318B (en) * | 2024-04-19 | 2024-06-21 | 福建永强阀门制造有限公司 | Hydraulic labor-saving gate valve |
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