CN112555439A - Gate valve for hydraulic engineering with self-adjusting sealing height along with water level change - Google Patents
Gate valve for hydraulic engineering with self-adjusting sealing height along with water level change Download PDFInfo
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- CN112555439A CN112555439A CN202011385109.3A CN202011385109A CN112555439A CN 112555439 A CN112555439 A CN 112555439A CN 202011385109 A CN202011385109 A CN 202011385109A CN 112555439 A CN112555439 A CN 112555439A
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- gate valve
- valve body
- air bag
- bonding
- water level
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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
- F16K3/16—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together
- F16K3/18—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the closure members
- F16K3/188—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the closure members by means of hydraulic forces
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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
- 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
- F16K3/0245—Curtain gate 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
- F16K3/02—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
- F16K3/0254—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 being operated by particular means
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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
- 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
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
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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
- F16K31/46—Mechanical actuating means for remote operation
- F16K31/465—Mechanical actuating means for remote operation by flexible transmission means, e.g. cable, chain, bowden wire
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Barrages (AREA)
Abstract
The invention discloses a gate valve for hydraulic engineering, which can automatically adjust the sealing height along with the water level change, and comprises a gate valve body, a preset electric push rod, a movable valve plate, a connecting slide block and a guide magnetic ring, wherein the preset electric push rod is installed on an upper end bolt of the gate valve body, the output end of the preset electric push rod is fixedly connected with the movable valve plate, the movable valve plate is connected with the inner side of the gate valve body, the inner side of the lower end of the gate valve body is connected with a first air bag in a bonding mode, and the edge side of the lower end of the gate valve body is provided with an accommodating. This slide valve for hydraulic engineering along with water level variation self-adjusting sealing height, along with movable valve plate seals work through predetermineeing electric putter along slide valve body lower extreme, its lower extreme will contact first gasbag thereupon, makes its pressurized to carry out air feed work to 2 groups of second gasbags are inside, and then promotes 2 groups inwards move about to the surface extrusion laminating with movable valve plate to the union piece to guarantee its sealing stability simultaneously, further strengthen the sealed effect of device.
Description
Technical Field
The invention relates to the technical field of hydraulic engineering, in particular to a gate valve for hydraulic engineering, which can automatically adjust the sealing height along with the change of water level.
Background
Along with the continuous progress development of hydraulic engineering in China, various hydraulic equipment is gradually researched, developed and popularized to use, wherein a gate valve is one of basic objects for closing and opening a pipeline, the gate valve is a valve with a gate plate and a valve seat always in close contact and sealing, the gate valve is widely applied to the field of butt joint of various pipelines, the valve is opened and closed through a manual or electric movable structure, and the existing gate valve for the hydraulic engineering has certain defects, such as:
1. the sealing range of the existing gate valve for hydraulic engineering is relatively limited, the corresponding water level can be mostly sealed only according to the height of a preset sealing element, and when special conditions such as rainwater and other climates occur and the water level rises carelessly, the sealing range of the device can not be ensured, so that certain use defects exist;
2. the sealing performance of the existing gate valve for hydraulic engineering has certain defects, and under the condition of large water pressure, poor phenomena such as water seepage easily occur at the butt joint gap, so that the supporting stability cannot be guaranteed, and certain potential safety hazards exist.
Aiming at the problems, innovative design is urgently needed on the basis of the structure of the original gate valve.
Disclosure of Invention
The invention aims to provide a gate valve for hydraulic engineering, which can automatically adjust the sealing height along with the change of water level, and aims to solve the problems that the sealing range provided in the background technology is relatively limited, most of the gate valves can only carry out sealing treatment on the corresponding water level according to the height of a preset sealing part, when the water level rises carelessly in special conditions such as rainwater and other climates, the sealing range of the gate valve cannot be ensured, the sealing property has certain defects, and the supporting stability cannot be ensured due to the fact that poor phenomena such as water seepage easily occur at the butt joint gap under the condition of high water pressure.
In order to achieve the purpose, the invention provides the following technical scheme: a gate valve for hydraulic engineering with self-adjusting sealing height along with water level change comprises a gate valve body, a preset electric push rod, a movable valve plate, a connecting slide block and a guide magnetic ring, wherein the preset electric push rod is installed on an upper end bolt of the gate valve body, the output end of the preset electric push rod is fixedly connected with the movable valve plate, the movable valve plate is connected with the inner side of the gate valve body, a first air bag is connected with the inner side of the lower end of the gate valve body in a bonding mode, a containing groove is formed in the lateral side of the lower end of the gate valve body, a second air bag is connected with the inner side of the containing groove in a bonding mode and communicated with the first air bag, a butt joint piece is installed on the outer side of the containing groove in a nesting mode, a sealing ring is connected with the lateral side of the containing groove in a bonding mode, and first haulage rope is connected with the upper end of push-pull valve body, the inside nested installation in upper end of push-pull valve body has link block, and link block's upper end is connected with the end of first haulage rope, link block's the waterproof batching of lower extreme fixedly connected with, and waterproof batching is connected with the inboard of push-pull valve body, the inboard nested installation in middle-end of push-pull valve body has the guiding axle, and the guiding axle is connected with the lower extreme of waterproof batching, the inboard middle-end of push-pull valve body runs through installs the connecting axle, and the inboard adhesive bonding gasbag in upper end of push-pull valve body to the adhesive bonding gasbag is connected with link block's the outside, link block's outer end is rotated and is connected with the direction magnetic ring, link block's surface fixed connection has the bonding magnetic stripe, and the bonding magnetic stripe is connected with the.
Preferably, the movable valve plate and the inner end of the gate valve body form a nested structure, the lower end face of the movable valve plate is attached to the outer surface of the first air bag, the movable valve plate and the connecting slide block form a stretching structure through the first traction rope, and meanwhile, the outer surface of the movable valve plate is attached to the inner surface of the gate valve body.
Preferably, the first air bag is provided with an air transmission channel and an adhesive layer, the outer end of the first air bag is provided with the air transmission channel in a penetrating mode, the tail end of the air transmission channel is communicated with the second air bag, and the inner side of the edge end of the air transmission channel is connected with the adhesive layer in an adhesive mode.
Preferably, the inner sides of the side ends of the gas transmission channels are provided with 4 bonding layers at equal angles, the outer surfaces of the bonding layers are attached to each other, and the bonding layers are made of elastic silica gel.
Preferably, the butt joint piece is made of elastic rubber, the butt joint piece forms a telescopic structure through the sealing ring and the inner side of the edge end of the gate valve body, and the outer surface of the butt joint piece is attached to the outer surface of the second air bag.
Preferably, the waterproof roll cloth forms a rolling structure with the inner side of the gate valve body through the guide shaft, and the outer surface of the waterproof roll cloth is attached to the outer surface of the gate valve body.
Preferably, the connecting shaft is provided with a torsion spring and a second traction rope, the outer end of the connecting shaft is fixedly connected with the torsion spring, the outer side of the connecting shaft is fixedly connected with the second traction rope, and the second traction rope is connected with the guide shaft.
Preferably, the connecting shaft and the inner side of the gate valve body form an elastic structure through a torsion spring, the connecting shaft and the guide shaft form a rotating structure through a second traction rope, and the connecting shaft corresponds to the guide shaft in position.
Preferably, the outer surface of the bonding air bag is attached to the outer surface of the connecting sliding block, the bonding magnetic strip on the outer side of the bonding air bag and the guide magnetic ring on the outer end of the connecting sliding block are arranged in opposite directions of a different magnetic pole, and the connecting sliding block and the outer side of the bonding air bag form a sliding structure through the guide magnetic ring.
Compared with the prior art, the invention has the beneficial effects that: the gate valve for hydraulic engineering with the self-adjusting sealing height along with the water level change;
1. the rubber butt joint piece is arranged in a nested mode, the lower end of the movable valve plate is in contact with the first air bag along with the sealing work of the lower end of the gate valve body through a preset electric push rod, so that the movable valve plate is pressed to supply air to the inside of the second air bags in the 2 groups, and the 2 groups of connecting pieces are further pushed to move inwards to be extruded and attached to the outer surface of the movable valve plate, so that the sealing stability of the movable valve plate is guaranteed, the sealing effect of the device is further enhanced, and the practicability of the device is improved;
2. the upper end of the movable valve plate is movably provided with a connecting slide block, and a traction rope butted with the upper end of the movable valve plate drives the connecting slide block at the tail end to move upwards along with the movable valve plate to drive the waterproof roll cloth at the lower end to move upwards along the inner surface of the gate valve body synchronously, so that the sealing area of the gate valve body is increased along with the waterproof roll cloth, and the bad phenomenon of leakage under the condition of sudden increase of the water level is avoided;
3. be provided with the bonding gasbag of laminating installation, upwards carry out the position activity along with link block drives waterproof batching, the direction magnetic ring spare of its outer end will laminate the inner extrusion work that carries on of bonding gasbag thereupon to through direction magnetic ring and the repulsion force between the bonding magnetic stripe, make bonding gasbag carry out the laminating contact to waterproof batching's outer end, when guaranteeing its sealing height, avoid appearing the bad phenomenon of secondary infiltration.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic cross-sectional structural view of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is a top cross-sectional view of the docking member of the present invention;
FIG. 5 is a side sectional view of the gas delivery channel of the present invention;
FIG. 6 is a schematic side sectional view of the waterproof roll cloth of the present invention;
FIG. 7 is a side sectional structural view of the connecting slider of the present invention.
In the figure: 1. a gate valve body; 2. presetting an electric push rod; 3. a movable valve plate; 4. a first air bag; 401. a gas transmission channel; 402. an adhesive layer; 5. a containing groove; 6. a second air bag; 7. a docking member; 8. a seal ring; 9. a first pull cord; 10. connecting the sliding block; 11. waterproof roll cloth; 12. a guide shaft; 13. a connecting shaft; 1301. a torsion spring; 1302. a second pull cord; 14. bonding the air bag; 15. a guide magnetic ring; 16. and (6) adhering the magnetic strip.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides a technical solution: a gate valve for hydraulic engineering with self-adjusting sealing height along with water level change comprises a gate valve body 1, a preset electric push rod 2, a movable valve plate 3, a first air bag 4, a containing groove 5, a second air bag 6, a butt joint piece 7, a sealing ring 8, a first traction rope 9, a connecting slide block 10, a waterproof roll cloth 11, a guide shaft 12, a connecting shaft 13, a bonding air bag 14, a guide magnetic ring 15 and a bonding magnetic strip 16, wherein the preset electric push rod 2 is installed on an upper end bolt of the gate valve body 1, the output end of the preset electric push rod 2 is fixedly connected with the movable valve plate 3, the movable valve plate 3 is connected with the inner side of the gate valve body 1, the first air bag 4 is bonded and connected with the inner side of the lower end of the gate valve body 1, the containing groove 5 is formed in the side of the lower end of the gate valve body 1, the second air bag 6 is bonded and connected with the first, the butt joint piece 7 is nested and installed on the outer side of the accommodating groove 5, the side of the accommodating groove 5 is connected with the sealing ring 8 in an adhesive mode, the sealing ring 8 is attached to the outer side of the butt joint piece 7, the upper end of the movable valve plate 3 is fixedly connected with the first traction rope 9, the first traction rope 9 is connected with the upper end of the gate valve body 1, the connecting slide block 10 is nested and installed on the inner side of the upper end of the gate valve body 1, the upper end of the connecting slide block 10 is connected with the tail end of the first traction rope 9, the lower end of the connecting slide block 10 is fixedly connected with the waterproof roll cloth 11, the waterproof roll cloth 11 is connected with the inner side of the gate valve body 1, the guide shaft 12 is nested and installed on the inner side of the middle end of the gate valve body 1, the connecting shaft 13 is installed on the inner side of the gate valve body 1 in a penetrating mode, and, and the bonding air bag 14 is connected with the outside of the connecting slide block 10, the outer end of the connecting slide block 10 is rotatably connected with a guiding magnetic ring 15, the outer surface of the connecting slide block 10 is fixedly connected with a bonding magnetic strip 16, and the bonding magnetic strip 16 is connected with the guiding magnetic ring 15.
The movable valve plate 3 and the inner end of the gate valve body 1 form a nested structure, the lower end face of the movable valve plate 3 is attached to the outer surface of the first air bag 4, the movable valve plate 3 and the connecting slide block 10 form a stretching structure through the first traction rope 9, meanwhile, the outer surface of the movable valve plate 3 is attached to the inner surface of the gate valve body 1, and in the process that the movable valve plate 3 moves downwards under stress, the connecting slide block 10 is driven to move upwards in the opposite direction through the first traction rope 9 on the outer side stably;
the first air bag 4 is provided with an air transmission channel 401 and an adhesive layer 402, the outer end of the first air bag 4 is provided with the air transmission channel 401 in a penetrating mode, the tail end of the air transmission channel 401 is communicated with the second air bag 6, the inner side of the edge end of the air transmission channel 401 is connected with the adhesive layer 402 in an adhesive mode, 4 adhesive layers 402 are arranged on the inner side of the edge end of the air transmission channel 401 at equal angles, the outer surfaces of the adhesive layers 402 are attached to each other, the adhesive layers 402 are made of elastic silica gel materials, and the automatic adjusting working effect of the connection state of the air transmission channel 401 according to the negative pressure state of the adhesive layers 402 which are attached to each other can be achieved stably;
the butt joint piece 7 is made of elastic rubber, the butt joint piece 7 and the inner side of the edge end of the gate valve body 1 form a telescopic structure through the sealing ring 8, the outer surface of the butt joint piece 7 is attached to the outer surface of the second air bag 6, the second air bag 6 which is expanded under pressure can stably push the butt joint piece 7 in contact to move outwards in position, and then the outer end of the movable valve plate 3 is subjected to secondary sealing treatment;
the waterproof roll cloth 11 and the inner side of the gate valve body 1 form a rolling structure through the guide shaft 12, the outer surface of the waterproof roll cloth 11 is attached to the outer surface of the gate valve body 1, and the movable valve plate 3 which is stressed to move downwards can stably drive the waterproof roll cloth 11 to synchronously move upwards along the inner side of the gate valve body 1;
the connecting shaft 13 is provided with a torsion spring 1301 and a second traction rope 1302, the outer end of the connecting shaft 13 is fixedly connected with the torsion spring 1301, the outer side of the connecting shaft 13 is fixedly connected with the second traction rope 1302, the second traction rope 1302 is connected with the guide shaft 12, the connecting shaft 13 and the inner side of the gate valve body 1 form an elastic structure through the torsion spring 1301, the connecting shaft 13 and the guide shaft 12 form a rotating structure through the second traction rope 1302, the connecting shaft 13 corresponds to the guide shaft 12 in position, and in the process of forced rotation of the guide shaft 12, the second traction rope 1302 can stably drive the butted torsion spring 1301 to synchronously perform relative rolling operation so as to meet subsequent return operation;
the outer surface of the bonding air bag 14 is attached to the outer surface of the connecting slide block 10, the bonding magnetic stripe 16 on the outer side of the bonding air bag 14 and the guide magnetic ring 15 on the outer end of the connecting slide block 10 are arranged in opposite directions of different magnetic poles, the connecting slide block 10 forms a sliding structure through the guide magnetic ring 15 and the outer side of the bonding air bag 14, the connecting slide block 10 which is stressed to move in position can synchronously extrude the contacting bonding air bag 14 through magnetic repulsion force, and therefore sealing treatment is carried out by matching with the attaching state of the connecting slide block.
The working principle is as follows: when the gate valve for hydraulic engineering with the self-adjusting sealing height along with the water level change is used, according to the graph 1-5, the device is firstly placed at a position needing to work, when the gate valve body 1 needs to be sealed, the movable valve plate 3 can be driven to be attached and sealed along the lower end of the gate valve body 1 only through the preset electric push rod 2, at the moment, the lower end of the movable valve plate 3 is contacted with the first air bag 4 along with the movable valve plate to be pressed and deformed, air supply treatment is synchronously carried out on the second air bag 6 on the inner side of the accommodating groove 5 through the air transmission channel 401, at the moment, the second air bag 6 which is pressed and deformed pushes the rubber butt-joint part 7 outwards, the rubber butt-joint part moves oppositely to be extruded and attached to the outer surface of the movable valve plate 3, and the sealing effect of the device is further enhanced while the sealing stability is ensured;
according to the figures 1, 2 and 6, in the process that the movable valve plate 3 moves downwards under stress, the first traction rope 9 butted with the upper end of the movable valve plate carries out rolling work therewith, so as to drive the connecting slide block 10 at the tail end to move upwards along the inner surface of the gate valve body 1, at the moment, the waterproof rolled cloth 11 butted with the lower end of the waterproof rolled cloth synchronously moves upwards along the inner surface of the gate valve body 1, the second traction rope 1302 butted with the shaft end of the waterproof rolled cloth carries out rolling work on the synchronous rolling tension torsion spring 1301, so that the sealing area of the upward-moving waterproof rolled cloth 11 to the gate valve body 1 is increased therewith, the bad phenomenon of leakage under the condition that the water level is suddenly increased is avoided, and the application range of the device is ensured;
according to figure 1, figure 2, figure 6 and figure 7, in the process that the connecting slide block 10 drives the waterproof roll cloth 11 to move upwards along the inner side of the gate valve body 1, the guide magnetic ring piece 15 at the outer end of the waterproof roll cloth is attached with the inner end of the bonding air bag 14 to perform extrusion work, and the bonding air bag 14 is attached to the outer end of the waterproof roll cloth 11 through the repulsive force between the guide magnetic ring piece 15 and the bonding magnetic strip 16, so that the sealing height of the waterproof roll cloth is ensured, the phenomenon of secondary water seepage is avoided, and the overall practicability is improved.
Those not described in detail in this specification are within the skill of the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a change from push-pull valve for hydraulic engineering of adjusting sealing height along with water level, includes push-pull valve body (1), predetermines electric putter (2), movable valve plate (3), link block (10) and direction magnetosphere (15), its characterized in that: the upper end bolt of the gate valve body (1) is provided with a preset electric push rod (2), the output end of the preset electric push rod (2) is fixedly connected with a movable valve plate (3), the movable valve plate (3) is connected with the inner side of the gate valve body (1), the inner side of the lower end of the gate valve body (1) is connected with a first air bag (4) in a bonding mode, a containing groove (5) is formed in the side edge of the lower end of the gate valve body (1), a second air bag (6) is connected with the inner side of the containing groove (5) in a bonding mode, the second air bag (6) is communicated with the first air bag (4), a butt joint piece (7) is installed in the outer side of the containing groove (5) in a nesting mode, a sealing ring (8) is connected with the side edge of the containing groove (5) in a bonding mode, the sealing ring (8) is attached to the outer side of the butt, the first traction rope (9) is connected with the upper end of the gate valve body (1), the connecting slide block (10) is installed on the inner side of the upper end of the gate valve body (1) in an embedded mode, the upper end of the connecting slide block (10) is connected with the tail end of the first traction rope (9), the lower end of the connecting slide block (10) is fixedly connected with a waterproof roll cloth (11), the waterproof roll cloth (11) is connected with the inner side of the gate valve body (1), a guide shaft (12) is installed on the inner side of the middle end of the gate valve body (1) in an embedded mode, the guide shaft (12) is connected with the lower end of the waterproof roll cloth (11), a connecting shaft (13) penetrates through the inner middle end of the inner side of the gate valve body (1), a bonding air bag (14) is connected with the inner side of the upper end of the gate valve body (1) in an adhesive mode, the bonding air bag (14) is connected with the outer side of the connecting slide block (10, the outer surface of the connecting sliding block (10) is fixedly connected with a bonding magnetic strip (16), and the bonding magnetic strip (16) is connected with the guide magnetic ring (15).
2. The gate valve for hydraulic engineering with the self-adjusting sealing height along with the water level change according to claim 1, is characterized in that: the movable valve plate (3) and the inner end of the gate valve body (1) form a nested structure, the lower end face of the movable valve plate (3) is attached to the outer surface of the first air bag (4), the movable valve plate (3) and the connecting slide block (10) form a stretching structure through the first traction rope (9), and meanwhile the outer surface of the movable valve plate (3) is attached to the inner surface of the gate valve body (1).
3. The gate valve for hydraulic engineering with the self-adjusting sealing height along with the water level change according to claim 1, is characterized in that: the first air bag (4) is provided with an air transmission channel (401) and an adhesive layer (402), the outer end of the first air bag (4) penetrates through the air transmission channel (401), the tail end of the air transmission channel (401) is communicated with the second air bag (6), and the adhesive layer (402) is connected to the inner side of the edge end of the air transmission channel (401) in an adhesive mode.
4. The gate valve for hydraulic engineering with the self-adjusting sealing height along with the water level change according to claim 3, wherein: the inner sides of the side ends of the gas transmission channels (401) are provided with 4 bonding layers (402) at equal angles, the outer surfaces of the bonding layers (402) are attached to each other, and the bonding layers (402) are made of elastic silica gel.
5. The gate valve for hydraulic engineering with the self-adjusting sealing height along with the water level change according to claim 1, is characterized in that: butt joint spare (7) are elastic rubber material, and butt joint spare (7) pass through sealing washer (8) and the inboard extending structure that constitutes of limit end of push-pull valve body (1) to the surface of butt joint spare (7) is laminated with the surface of second gasbag (6) mutually.
6. The gate valve for hydraulic engineering with the self-adjusting sealing height along with the water level change according to claim 1, is characterized in that: waterproof batching (11) constitute the rolling structure through guiding axle (12) and the inboard of push-pull valve body (1), and the surface of waterproof batching (11) is laminated with the surface of push-pull valve body (1) mutually.
7. The gate valve for hydraulic engineering with the self-adjusting sealing height along with the water level change according to claim 1, is characterized in that: the connecting shaft (13) is provided with a torsion spring (1301) and a second traction rope (1302), the outer end of the connecting shaft (13) is fixedly connected with the torsion spring (1301), the outer side of the connecting shaft (13) is fixedly connected with the second traction rope (1302), and meanwhile the second traction rope (1302) is connected with the guide shaft (12).
8. The gate valve for hydraulic engineering with the self-adjusting sealing height along with the water level change according to claim 7, wherein: the connecting shaft (13) and the inner side of the gate valve body (1) form an elastic structure through a torsion spring (1301), the connecting shaft (13) and the guide shaft (12) form a rotating structure through a second traction rope (1302), and the connecting shaft (13) corresponds to the guide shaft (12).
9. The gate valve for hydraulic engineering with the self-adjusting sealing height along with the water level change according to claim 1, is characterized in that: the outer surface of the bonding air bag (14) is attached to the outer surface of the connecting sliding block (10), the bonding magnetic strip (16) on the outer side of the bonding air bag (14) and the guide magnetic ring (15) on the outer end of the connecting sliding block (10) are arranged in opposite directions of unlike magnetic poles, and the connecting sliding block (10) and the outer side of the bonding air bag (14) form a sliding structure through the guide magnetic ring (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011385109.3A CN112555439A (en) | 2020-12-01 | 2020-12-01 | Gate valve for hydraulic engineering with self-adjusting sealing height along with water level change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011385109.3A CN112555439A (en) | 2020-12-01 | 2020-12-01 | Gate valve for hydraulic engineering with self-adjusting sealing height along with water level change |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112555439A true CN112555439A (en) | 2021-03-26 |
Family
ID=75045959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011385109.3A Withdrawn CN112555439A (en) | 2020-12-01 | 2020-12-01 | Gate valve for hydraulic engineering with self-adjusting sealing height along with water level change |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112555439A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753390A (en) * | 2022-05-05 | 2022-07-15 | 蒙城县水利局建筑工程队 | Adjustable water conservancy cofferdam |
-
2020
- 2020-12-01 CN CN202011385109.3A patent/CN112555439A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753390A (en) * | 2022-05-05 | 2022-07-15 | 蒙城县水利局建筑工程队 | Adjustable water conservancy cofferdam |
| CN114753390B (en) * | 2022-05-05 | 2024-02-09 | 蒙城县水利局建筑工程队 | Water conservancy cofferdam with adjustable |
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Application publication date: 20210326 |
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| WW01 | Invention patent application withdrawn after publication |