CN112324928B - Exhaust soft sealing gate valve - Google Patents
Exhaust soft sealing gate valve Download PDFInfo
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- CN112324928B CN112324928B CN202011341462.1A CN202011341462A CN112324928B CN 112324928 B CN112324928 B CN 112324928B CN 202011341462 A CN202011341462 A CN 202011341462A CN 112324928 B CN112324928 B CN 112324928B
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- exhaust
- fixedly connected
- valve
- large number
- micro
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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
- F16K3/0281—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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0413—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded in the form of closure plates
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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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/164—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side and remaining closed after return of the normal 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/168—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side combined with manually-controlled valves, e.g. a valve combined with a safety valve
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/07—Arrangement or mounting of devices, e.g. valves, for venting or aerating or draining
Abstract
The invention relates to the field of valves, in particular to an exhaust soft sealing gate valve, which comprises a valve body, a connecting bolt, a connecting nut and a bearing, wherein the middle part of the upper end of the valve body is fixedly connected with a valve body, the top end of the valve body is fixedly connected with a lower mounting seat, the left side and the right side of the bottom end of the lower mounting seat are respectively provided with a trace exhaust pipe and a large number of exhaust pipes, the bottom end of the lower mounting seat is fixedly connected with an upper mounting seat through four groups of connecting bolts and connecting nuts, the middle part of the top end of the upper mounting seat is fixedly connected with a driving cover, the middle part of the upper end of the valve body is provided with an embedded slot, the middle part of the valve body is provided with a limit sealing sliding hole, the bottom end of the driving cover is provided with a matching slot, the embedded slot, the limit sealing sliding hole and the matching slot are sequentially aligned, the middle part of the driving cover is in threaded connection with a valve rod, and the top end of the valve rod is fixedly connected with a hand wheel.
Description
Technical Field
The invention relates to the field of valves, in particular to an exhaust soft sealing gate valve.
Background
The valve is a pipeline accessory for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters (temperature, pressure and flow rate) of a conveying medium. According to the functions, the valve can be divided into a shutoff valve, a check valve, a regulating valve and the like, and the valve is a control component in a fluid conveying system and has the functions of stopping, regulating, guiding flow, preventing backflow, stabilizing pressure, diverting flow or overflow pressure relief and the like. Valves for fluid control systems, ranging from the simplest shut-off valves to the various valves used in extremely complex, self-control systems, are quite diverse in variety and specification and can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal, and radioactive media. The valves are also classified into cast iron valves, cast steel valves, stainless steel valves (201, 304, 316, etc.), chrome molybdenum steel valves, chrome molybdenum vanadium steel valves, dual phase steel valves, plastic valves, nonstandard custom valves, etc. according to the materials.
The valve is an important control device for promoting the development of modern devices for transporting water, gas and flowing substances, in the prior art, when a pipeline transports liquid objects, a lot of gas can be accumulated in the pipeline, the gas needs to be discharged at regular time, and an exhaust valve is arranged on the pipeline to clean the gas.
The valve in the prior art can not well discharge air in the pipeline, and in the long-distance water delivery process, the pipeline tends to have larger fluctuation, the shut-off and the closure and the water column separation are easy to generate, and meanwhile, the air discharge gate valve in the prior art needs to be shut down for maintenance.
In order to solve the problems, the invention designs an exhaust soft sealing gate valve.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an exhaust soft sealing gate valve. The problems are solved to the greatest extent possible, so that the gate valve which can well discharge air in the water conveying pipeline and does not need to be stopped for maintenance is provided.
The invention is realized by the following technical scheme:
the utility model provides an exhaust soft seal gate valve, includes valve body, connecting bolt, coupling nut and bearing, valve body upper end middle part fixedly connected with valve body, valve body top fixedly connected with lower mount pad, lower mount pad bottom left and right sides is provided with the trace blast pipe and the a large amount of blast pipes of bottom fixed connection in valve body upper end respectively, lower mount pad top is through four sets of coupling bolt and coupling nut fixedly connected with mount pad, go up mount pad top middle part fixedly connected with driving cover, valve body upper end middle part is equipped with the embedding slot, valve body middle part is equipped with spacing seal slide hole, the driving cover bottom is equipped with the cooperation groove, embedding slot, spacing seal slide hole and cooperation groove align in proper order, driving cover middle part threaded connection has the valve rod, valve rod top fixedly connected with hand wheel, the valve rod bottom is connected with the case through the bearing rotation, fixedly connected with rubber seal pad on the case lateral wall, rubber seal pad seals sliding connection with slot and spacing seal slide hole respectively, it is provided with micro exhaust assembly and a large amount of exhaust assembly to go up mount pad top left and right sides respectively.
Preferably, two groups of connecting rings are symmetrically arranged on the left side and the right side of the valve body, and a plurality of groups of connecting holes are uniformly formed in the connecting rings.
Preferably, the middle parts of the micro exhaust pipes and the large exhaust pipes are respectively provided with a micro exhaust channel and a large exhaust channel, and the micro exhaust channels and the large exhaust channels are respectively communicated with the water flow channels in the inner cavity of the valve body.
Preferably, the middle part of the top end of the valve core is provided with a mounting groove, the bearing outer ring is fixedly connected to the side wall of the mounting groove, and the bearing inner ring is fixedly connected to the outer wall of the lower end of the valve rod.
Preferably, the trace exhaust assembly comprises a trace exhaust barrel, mounting bolts, a trace exhaust top cover, a rubber sealing gasket, a head exhaust pipe, a waterproof breathable film, an exhaust nozzle, a tail exhaust pipe, a rotating support, a hinge shaft, a connecting rod, a left floating ball and a gland.
Preferably, a communicating hole is arranged in the middle of the micro exhaust top cover, and the upper end and the lower end of the communicating hole are respectively communicated with the head exhaust pipe and the tail exhaust pipe.
Preferably, a large amount of exhaust subassembly contains a large amount of aiutage, connecting block, U type cover, spacing slide bar, right floater, sliding pin, sliding sleeve, linking arm, a large amount of exhaust top cap, erection column, vortex lid, spring and movable valve, a large amount of aiutage fixed mounting is on last mount pad top right side, inner wall respectively through two sets of connecting block fixed mounting U type covers around the aiutage, U type cover middle part sliding connection has spacing slide bar, spacing slide bar top fixedly connected with right floater, right floater top fixedly connected with sliding pin, a large amount of aiutage upper end inner wall is through the linking arm fixedly connected with sliding sleeve that two sets of symmetries set up, sliding pin sliding connection is in this sliding sleeve, a large amount of exhaust top cap fixed mounting is on a large amount of aiutage top, a large amount of exhaust top cap top end is through a plurality of evenly distributed's erection column fixed mounting vortex lid, vortex lid bottom fixedly connected with spring one end, the spring other end fixedly connected with movable valve, the movable valve middle part is equipped with a small amount of exhaust hole.
Preferably, the middle part of the bottom end of the U-shaped cover is provided with a limiting sliding hole, the limiting sliding rod is slidably connected in the limiting sliding hole, the middle part of the top end of the large number of exhaust top covers is provided with a large number of exhaust holes, the spring is movably arranged in the middle of the large number of exhaust holes, the movable valve is arranged at the lower end of the large number of exhaust holes and the size of the movable valve is larger than that of the large number of exhaust holes, and the sliding pin is matched with the small number of exhaust holes.
Preferably, the left side and the right side of the lower mounting seat and the upper mounting seat are respectively provided with two groups of lower communication holes and upper communication holes, the lower communication holes on the same side are communicated with the upper communication holes, the lower communication holes on the left side are communicated with the micro exhaust channels, the upper communication holes on the left side are communicated with the micro exhaust cylinders, the lower communication holes on the right side are communicated with a large number of exhaust channels, and the upper communication holes on the right side are communicated with a large number of exhaust cylinders.
The beneficial effects of the invention are as follows: after the water delivery pipeline is connected to the valve body through the large number of exhaust assemblies, when the water delivery pipeline starts to deliver water, the large number of exhaust holes are used for exhausting, at the moment, the movable valve does not act, under low pressure difference, exhaust is smooth, gas in the pipe is compressed along with the increase of water delivery, a certain pressure difference is formed between the inlet and the outlet of the large number of exhaust holes, at the moment, the movable valve is lifted, the exhaust speed is limited through the small number of exhaust holes, and the movable valve is slowly closed. When a large number of exhaust barrels are filled with water, the right floating ball floats at the moment, the sliding pin is lifted, the small amount of exhaust holes are closed, the movable valve is reset at the moment, and the micro exhaust is carried out through the micro exhaust assembly at the moment, so that the problem of exhaust of the pipeline can be well solved by the whole device. When water is stopped or negative pressure is generated, a large amount of exhaust components suck air in, at the moment, the right floating ball is reset, when the fluctuation of the water conveying line is large, the working conditions of blocking and bridging and water column separation are easy to generate, and when water flow occurs, the state of negative pressure is generated when positive pressure is generated, a large amount of exhaust components supplement air, and vacuum is broken. And during positive pressure, throttling and exhausting are carried out so as to prevent the pipeline from generating a secondary damage type water hammer, the repeated circulation is carried out until the pipeline is in a stable state, and meanwhile, the whole device is convenient for maintaining and replacing the pipeline without stopping and maintaining.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a left side elevational view of the present invention;
FIG. 3 is a bottom view of the present invention;
FIG. 4 is a transverse, longitudinal cross-sectional view of the present invention;
FIG. 5 is a longitudinal cross-sectional view of the present invention at the valve spool;
fig. 6 is a longitudinal section of the invention at a connection block.
In the figure: 1-valve body, 2-connecting ring, 201-connecting hole, 3-valve body, 301-limit sealing slide hole, 4-lower mounting seat, 5-micro exhaust pipe, 501-micro exhaust channel, 6-large exhaust pipe, 601-large exhaust channel, 7-connecting bolt, 8-connecting nut, 9-upper mounting seat, 10-driving cover, 1001-mating groove, 11-valve rod, 12-hand wheel, 13-bearing, 14-valve core, 15-rubber gasket, 16-micro exhaust pipe, 17-mounting bolt, 18-micro exhaust top cover, 19-rubber sealing gasket, 20-head exhaust pipe, 21-waterproof ventilated membrane, 22-exhaust nozzle, 23-tail exhaust pipe, 24-rotating bracket, 25-hinge shaft, 26-connecting rod, 27-left floating ball, 28-gland, 29-large exhaust pipe, 30-connecting block, 31-U-shaped cover, 32-limit 41033-right floating ball, 34-sliding pin, 35-sliding sleeve, 36-connecting arm, 37-large exhaust top cover, 38-mounting post, 39-cover, 40-movable slide bar, 1-small exhaust hole.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, an exhaust soft sealing gate valve comprises a valve body 1, a connecting bolt 7, a connecting nut 8 and a bearing 13, wherein a valve body 3 is fixedly connected to the middle part of the upper end of the valve body 1, a lower mounting seat 4 is fixedly connected to the top end of the valve body 3, a micro exhaust pipe 5 and a large number of exhaust pipes 6 are respectively arranged at the left side and the right side of the bottom end of the lower mounting seat 4, the bottom end of the lower mounting seat 4 is fixedly connected with an upper mounting seat 9 through four groups of connecting bolts 7 and connecting nuts 8, the middle part of the top end of the upper mounting seat 9 is fixedly connected with a driving cover 10, an embedded slot is arranged in the middle part of the upper end of the valve body 1, a limit sealing slide hole 301 is arranged in the middle part of the valve body 3, a matching groove 1001 is formed in the bottom end of the driving cover 10, the embedded slot, the limit sealing slide hole 301 and the matching groove 1001 are aligned in sequence, a valve rod 11 is connected to the middle part of the driving cover 10 in a threaded manner, a hand wheel 12 is fixedly connected to the top end of the valve rod 11, a valve rod 14 is rotatably connected to the bottom end of the valve rod 11, a rubber sealing gasket 15 is respectively connected to the outer side walls of the valve core 14, the rubber sealing gasket 15 is hermetically and the top and the left side and the right side of the upper side is provided with a large number of exhaust components.
Specifically, referring to fig. 1, two groups of connecting rings 2 are symmetrically arranged on the left side and the right side of a valve body 1, a plurality of groups of connecting holes 201 are uniformly formed in the connecting rings 2, and an exhaust valve can be well installed on a water pipeline through the plurality of groups of connecting holes 201.
Referring to fig. 4, the middle parts of the micro exhaust pipe 5 and the large exhaust pipe 6 are respectively provided with a micro exhaust channel 501 and a large exhaust channel 601, and the micro exhaust channel 501 and the large exhaust channel 601 are respectively communicated with the water flow channel in the inner cavity of the valve body 1.
The middle part of the top end of the valve core 14 is provided with a mounting groove, the outer ring of the bearing 13 is fixedly connected to the side wall of the mounting groove, the inner ring of the bearing 13 is fixedly connected to the outer wall of the lower end of the valve rod 11, and the valve core 14 can be well opened and closed by matching the valve rod 11 with the bearing 13.
The micro exhaust assembly comprises a micro exhaust barrel 16, a mounting bolt 17, a micro exhaust top cover 18, a rubber sealing gasket 19, a head exhaust pipe 20, a waterproof and breathable film 21, an exhaust nozzle 22, a tail exhaust pipe 23, a rotating support 24, a hinge shaft 25, a connecting rod 26, a left floating ball 27 and a gland 28, wherein the micro exhaust barrel 16 is fixedly connected to the left side of the top end of the upper mounting seat 9, the top end of the micro exhaust barrel 16 is fixedly connected with the micro exhaust top cover 18 through a plurality of groups of uniformly distributed mounting bolts 17, the rubber sealing gasket 19 is sleeved on the inner side of the bottom end of the micro exhaust top cover 18, the middle part of the top end of the micro exhaust top cover 18 is fixedly connected with the head exhaust pipe 20, the waterproof and breathable film 21 is arranged on the upper end of the inner side of the head exhaust pipe 20, the tail exhaust pipe 23 is fixedly arranged on the middle part of the bottom end of the micro exhaust top cover 18, the left side upper end of the inner wall of the micro exhaust barrel 16 is fixedly connected with the rotating support 24, the right side of the rotating support 24 is hinged with the connecting rod 26 through the hinge shaft 25, the right side of the connecting rod 26 is fixedly arranged on the left floating ball 27, the top cover 28 is arranged on the top end of the connecting rod 26, and the gland 28 is matched with the tail exhaust pipe 23.
The middle part of the micro-exhaust top cover 18 is provided with a communication hole, the upper end and the lower end of the communication hole are respectively communicated with the head exhaust pipe 20 and the tail exhaust pipe 23, and the micro-exhaust assembly can be used for carrying out micro-exhaust when the pipeline is full of water.
The large number of exhaust assemblies comprise a large number of exhaust barrels 29, connecting blocks 30, U-shaped covers 31, limiting slide bars 32, right floating balls 33, sliding pins 34, sliding sleeves 35, connecting arms 36, a large number of exhaust top covers 37, mounting columns 38, vortex covers 39, springs 40 and movable valves 41, the large number of exhaust barrels 29 are fixedly arranged on the right side of the top ends of the upper mounting seats 9, the front inner walls and the rear inner walls of the large number of exhaust barrels 29 are respectively fixedly arranged on the U-shaped covers 31 through the two groups of connecting blocks 30, the middle of each U-shaped cover 31 is slidably connected with the limiting slide bars 32, the top ends of the limiting slide bars 32 are fixedly connected with the right floating balls 33, the top ends of the right floating balls 33 are fixedly connected with the sliding pins 34, the inner walls of the upper ends of the large number of the exhaust barrels 29 are fixedly connected with the sliding sleeves 35 through the two groups of symmetrically arranged connecting arms 36, the sliding pins 34 are slidably connected in the sliding sleeves 35, the large number of exhaust top covers 37 are fixedly arranged on the top ends of the large number of the exhaust barrels 29, the vortex covers 37 are fixedly arranged on the mounting columns 38 evenly distributed in a plurality of the groups of the mounting columns 38, the bottom ends of the vortex covers 39 are fixedly connected with one ends of the springs 40, the other ends of the movable valves 41, the middle of the small number of the exhaust caps are fixedly connected with the small number of the exhaust caps 1, the inner ends of the inner walls are respectively, and the inner walls are capable of the large number of the exhaust assembly is capable of stably filling the large number of water and the assembly when the large number of exhaust assembly is filled with a large number of water and can be stably filled through a large number of exhaust assembly.
The U type cover 31 bottom middle part is equipped with spacing slide hole, spacing slide bar 32 sliding connection is equipped with a large amount of exhaust holes in this spacing slide hole in the middle part of a large amount of exhaust top cap 37 top, spring 40 activity sets up in this a large amount of exhaust hole middle parts, movable valve 41 sets up in a large amount of exhaust hole lower extreme and movable valve 41 size is greater than a large amount of exhaust hole sizes, the sliding pin 34 cooperatees with a small amount of exhaust hole 4101, can carry out stable control to the air current through the movable valve 41 that sets up, simultaneously the production that avoids the water hammer that produces avoids producing the working condition that the cutout is closed and the water column separates that also can be fine.
The left and right sides of the lower mounting seat 4 and the upper mounting seat 9 are respectively provided with two groups of lower communication holes and upper communication holes, the lower communication holes on the same side are communicated with the upper communication holes, the lower communication holes on the left side are communicated with the micro exhaust channels 501, the upper communication holes on the left side are communicated with the micro exhaust drums 16, the lower communication holes on the right side are communicated with the large number of exhaust channels 601, and the upper communication holes on the right side are communicated with the large number of exhaust drums 29.
In the invention, when the device is needed to be used, a plurality of groups of devices are respectively and fixedly arranged at two sides of a water conveying pipeline, so that a large number of exhaust assemblies are arranged at the water inlet end, the valve core 14 at the front end is opened at the moment, and then water is conveyed through the pipeline. When water is conveyed, front-end air is discharged through a large number of exhaust assemblies arranged at the front end under the action of pressurized water until the front-end air is discharged, and when the water conveying pipeline starts to convey water, a large number of exhaust holes are used for exhausting a large number of air, and at the moment, the movable valve 41 does not act. Under the low pressure difference, the exhaust is smooth, and as the water delivery amount increases, the gas in the pipe is compressed to form a certain pressure difference at the inlets and outlets of a large number of exhaust holes, at this time, the movable valve 41 is lifted, and the exhaust speed is limited through a small number of exhaust holes 4101, so that the movable valve 41 is slowly closed. When the large number of exhaust drums 29 are full of water, the right floating ball 33 floats at this time, the sliding pin 34 rises and closes the small number of exhaust holes 4101, the movable valve 41 is reset at this time, and the trace gas precipitated in the water body is exhausted in a trace amount through the trace amount exhaust assembly, enters the trace amount exhaust drum 16, passes through the tail exhaust pipe 23 and enters the head exhaust pipe 20 through the communication hole, and is exhausted from the exhaust nozzle 21. Meanwhile, the sealing performance of the device can be improved through the waterproof and breathable film 22, when the micro-exhaust pipe 16 is filled with water, the left floating ball 27 floats, at the moment, the gland 28 plugs the air inlet of the tail exhaust pipe 23, then the valve core 14 at the rear end is opened, and the like until full pipe water supply is completed. When water is stopped or negative pressure is generated, a large amount of exhaust components suck air in, at the moment, the right floating ball 33 is reset, when the fluctuation of the water conveying line is large, the working conditions of closing and separating water columns are easy to generate at the moment, and when water flow occurs, the state of negative pressure is positive, and a large amount of exhaust components supplement air to break vacuum. And when the pipeline between the two groups of gate valves is maintained, in order to prevent air in the pipeline from entering downstream, the upstream valve is opened first, the downstream valve is closed, the air in the pipeline is discharged through a large amount of exhaust components on the downstream valve until the air is discharged, and the downstream valve is opened, so that the pipeline is full of water supply. During normal operation, the trace gas separated out from the water body is continuously discharged through the trace exhaust component, so that the full pipe water supply of the pipeline is ensured, and when the old pipeline is transformed, only the gate valve is needed to be replaced, and the water supply stopping maintenance is not needed.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. An exhaust soft seal gate valve, characterized in that: the valve comprises a valve body (1), a connecting bolt (7), a connecting nut (8) and a bearing (13), wherein the middle part of the upper end of the valve body (1) is fixedly connected with a valve body (3), the top end of the valve body (3) is fixedly connected with a lower mounting seat (4), one side of the bottom end of the lower mounting seat (4) is provided with a trace exhaust pipe (5), the other side of the lower mounting seat is provided with a large number of exhaust pipes (6), and the trace exhaust pipe (5) and the bottom ends of the large number of exhaust pipes (6) are fixedly connected to the upper end of the valve body (1); the upper mounting seat (9) is fixedly connected to the top end of the lower mounting seat (4) through four groups of connecting bolts (7) and connecting nuts (8), the driving cover (10) is fixedly connected to the middle of the top end of the upper mounting seat (9), an embedded slot is formed in the middle of the upper end of the valve body (1), a limit sealing sliding hole (301) is formed in the middle of the valve body (3), a matching slot (1001) is formed in the bottom end of the driving cover (10), the embedded slot, the limit sealing sliding hole (301) and the matching slot (1001) are sequentially aligned, a valve rod (11) is connected to the middle of the driving cover (10) in a threaded mode, a hand wheel (12) is fixedly connected to the top end of the valve rod (11), a valve core (14) is rotatably connected to the bottom end of the valve rod (11) through a bearing (13), a rubber sealing gasket (15) is fixedly connected to the outer side wall of the valve core (14), the rubber sealing gasket (15) is respectively in sealing sliding connection with the embedded slot and the limit sealing sliding hole (301), and a trace exhaust assembly is arranged on one side of the top end of the upper mounting seat (9);
the micro exhaust assembly comprises a micro exhaust barrel (16), a mounting bolt (17), a micro exhaust top cover (18), a rubber sealing gasket (19), a head exhaust pipe (20), a waterproof breathable film (21), an exhaust nozzle (22), a tail exhaust pipe (23), a rotating support (24), a hinge shaft (25), a connecting rod (26), a left floating ball (27) and a gland (28), wherein the micro exhaust barrel (16) is fixedly connected to the left side of the top end of the upper mounting seat (9), the top end of the micro exhaust barrel (16) is fixedly connected with the micro exhaust top cover (18) through a plurality of groups of uniformly distributed mounting bolts (17), the rubber sealing gasket (19) is sleeved on the inner side of the bottom end of the micro exhaust top cover (18), the head exhaust pipe (20) is fixedly connected to the middle of the top end of the micro exhaust top cover (18), the waterproof breathable film (21) is arranged at the upper end of the inner side of the head exhaust pipe (20), the exhaust nozzle (22) is fixedly arranged at the end of the head exhaust pipe (20), the tail exhaust pipe (23) is fixedly arranged in the middle of the bottom end of the micro exhaust top cover (18), the upper end of the inner wall of the micro exhaust barrel (16) is fixedly connected with the rotating support (24), the connecting rod (24) is hinged to the right side of the connecting rod (25), the right end part of the connecting rod (26) is fixedly provided with a left floating ball (27), the top end of the connecting rod (26) is provided with a gland (28), and the gland (28) is matched with the tail exhaust pipe (23);
the large number of exhaust assemblies comprise a large number of exhaust barrels (29), connecting blocks (30), U-shaped covers (31), limiting slide rods (32), right floating balls (33), sliding pins (34), sliding sleeves (35), connecting arms (36), large number of exhaust top covers (37), mounting columns (38), vortex covers (39), springs (40) and movable valves (41), the large number of exhaust barrels (29) are fixedly arranged on the right side of the top ends of upper mounting seats (9), the front inner walls and the rear inner walls of the large number of exhaust barrels (29) are respectively fixedly provided with the U-shaped covers (31) through two groups of connecting blocks (30), the middle parts of the U-shaped covers (31) are connected with the limiting slide rods (32) in a sliding mode, the top ends of the limiting slide rods (32) are fixedly connected with the right floating balls (33), the top ends of the right floating balls (33) are fixedly connected with the sliding pins (34), the inner walls of the upper ends of the large number of the exhaust barrels (29) are fixedly connected with the sliding pins (35) through two groups of connecting arms (36) which are symmetrically arranged, the sliding pins (34) are connected in the sliding sleeves (35), the large number of exhaust top covers (37) are fixedly provided with the top ends of the large number of the exhaust barrels (29) through two groups of symmetrically arranged, the top covers (39) are fixedly provided with the top covers (39) respectively, the other end of the spring (40) is fixedly connected with a movable valve (41), and a small amount of exhaust holes (4101) are formed in the middle of the movable valve (41).
2. The exhaust soft seal gate valve of claim 1, wherein: two groups of connecting rings (2) are symmetrically arranged on the left side and the right side of the valve body (1), and a plurality of groups of connecting holes (201) are uniformly formed in the connecting rings (2).
3. The exhaust soft seal gate valve of claim 1, wherein: the middle part of the trace exhaust pipe (5) is provided with a trace exhaust channel (501), the middle part of the large number of exhaust pipes (6) is provided with a large number of exhaust channels (601), and the trace exhaust channel (501) and the large number of exhaust channels (601) are respectively communicated with the inner cavity water flow channel of the valve body (1).
4. The exhaust soft seal gate valve of claim 1, wherein: the middle part of the top end of the valve core (14) is provided with a mounting groove, the outer ring of the bearing (13) is fixedly connected to the side wall of the mounting groove, and the inner ring of the bearing (13) is fixedly connected to the outer wall of the lower end of the valve rod (11).
5. The exhaust soft seal gate valve of claim 1, wherein: the middle part of the micro exhaust top cover (18) is provided with a communication hole, and the upper end and the lower end of the communication hole are respectively communicated with a head exhaust pipe (20) and a tail exhaust pipe (23).
6. The exhaust soft seal gate valve of claim 1, wherein: the U-shaped cover (31) bottom middle part is equipped with spacing slide hole, spacing slide bar (32) sliding connection is in this spacing slide hole, a large amount of exhaust holes are equipped with in the middle part of a large amount of exhaust top cap (37) top, spring (40) activity sets up in this a large amount of exhaust hole middle parts, movable valve (41) set up in a large amount of exhaust hole lower extreme just movable valve (41) size is greater than the size of a large amount of exhaust holes, slide pin (34) cooperate with a small amount of exhaust hole (4101).
7. A vent soft seal gate valve as defined in claim 3 wherein: the left side and the right side of the lower mounting seat (4) and the upper mounting seat (9) are respectively provided with two groups of lower communication holes and upper communication holes, the lower communication holes on the same side are communicated with the upper communication holes, the lower communication holes on the left side are communicated with the micro exhaust channels (501), the upper communication holes on the left side are communicated with the micro exhaust drums (16), the lower communication holes on the right side are communicated with a large number of exhaust channels (601), and the upper communication holes on the right side are communicated with a large number of exhaust drums (29).
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| CN202011341462.1A CN112324928B (en) | 2020-11-25 | 2020-11-25 | Exhaust soft sealing gate valve |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011341462.1A CN112324928B (en) | 2020-11-25 | 2020-11-25 | Exhaust soft sealing gate valve |
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| CN112324928B true CN112324928B (en) | 2023-09-19 |
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| JPH1151207A (en) * | 1997-07-30 | 1999-02-26 | Kubota Corp | Gate valve provided with intake or exhaust function |
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| CN111609197A (en) * | 2020-04-27 | 2020-09-01 | 铜陵兴荣阀门管件有限公司 | Combined type exhaust valve |
| CN111637273A (en) * | 2020-07-01 | 2020-09-08 | 吴志煌 | Automatic exhaust valve |
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2020
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| JPH1151207A (en) * | 1997-07-30 | 1999-02-26 | Kubota Corp | Gate valve provided with intake or exhaust function |
| KR101363343B1 (en) * | 2013-07-23 | 2014-02-17 | 주식회사 한국 종합엔지니어링 | Surge protection device for pump control valve |
| CN103672042A (en) * | 2013-10-21 | 2014-03-26 | 深圳市华力大机电技术有限公司 | Rear adjustable three-hole composite type waterproof hammer air group valve |
| CN109058491A (en) * | 2018-09-18 | 2018-12-21 | 杨胜 | A kind of power station sluice valve |
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