CN113309867B - Groove gate valve with anti-leakage function - Google Patents

Groove gate valve with anti-leakage function Download PDF

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Publication number
CN113309867B
CN113309867B CN202110445942.0A CN202110445942A CN113309867B CN 113309867 B CN113309867 B CN 113309867B CN 202110445942 A CN202110445942 A CN 202110445942A CN 113309867 B CN113309867 B CN 113309867B
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China
Prior art keywords
gate valve
channel
seat
valve body
rod
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CN202110445942.0A
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CN113309867A (en
Inventor
陈建成
陈玉华
陈重庆
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Jingao Valve Manufacturing Co ltd
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Jingao Valve Manufacturing Co ltd
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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/36—Valve members
    • 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
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/06—Check valves with guided rigid valve members with guided stems
    • 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
    • F16K15/00—Check valves
    • F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
    • 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
    • F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0644—One-way valve
    • F16K31/0655—Lift valves
    • 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
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
    • F16K37/0091—For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00—Heating arrangements
    • F26B23/04—Heating arrangements using electric heating
    • 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)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Details Of Valves (AREA)

Abstract

The invention provides a groove gate valve with a simple structure and a leakage prevention function, which comprises a gate valve body, a first water passing seat, a valve cover, a water inlet channel, a water outlet channel and a valve plate, wherein the first water passing seat is provided with the water passing channel, the valve cover, the water inlet channel, the water outlet channel and the valve plate are arranged on the valve plate, a valve rod is arranged in the gate valve body above the valve plate, a channel is arranged above the valve rod, the upper end part of the valve rod penetrates out of the channel, the first water passing seat is fixedly arranged in the water outlet channel, one end of the water outlet channel, which is positioned at the first water passing seat, is fixedly provided with a first connecting seat, a first fluid channel for fluid to flow through is arranged on the first connecting seat, a sliding rod is slidably arranged on the first connecting seat, a sealing device for sealing the water passing channel is fixedly arranged on the sliding rod, and a sealing device for sealing the sealing plate at the water passing channel when the gate valve leaks is arranged between the first water passing seat and the sealing plate.

Description

Groove gate valve with anti-leakage function
Technical Field
The invention relates to the field of valves, in particular to a groove gate valve with a leakage prevention function.
Background
The trench gate valve is a valve commonly used in pipe connections and plays an important role in pipe connections. The gate valve is not airtight due to long-term use abrasion of the groove gate valve or negligence of staff, so that the gate valve is leaked, and loss or resource waste is caused.
Disclosure of Invention
Accordingly, in view of the above-mentioned problems, the present invention provides a trench gate valve with a simple structure and a leakage preventing function.
In order to achieve the above-mentioned purpose, the technical scheme of the invention provides a trench gate valve with a leakage prevention function, which comprises a gate valve body, a first water passing seat provided with a water passing passage, a valve cover arranged above the gate valve body, a water inlet passage and a water outlet passage radially provided along the gate valve body, and a valve plate arranged between the water inlet passage and the water outlet passage and used for controlling the opening and closing of fluid, wherein a valve rod is arranged inside the gate valve body above the valve plate, a passage is provided above the valve rod, the upper end of the valve rod penetrates out of the passage, the first water passing seat is fixedly arranged in the water outlet passage, one end of the water outlet passage, which is positioned at the first water passing seat, is fixedly provided with a first connecting seat, a first fluid passage for fluid to flow through is provided on the first connecting seat, a slide bar is slidably arranged on the first connecting seat, a sealing device used for sealing the water passing passage tightly is fixedly arranged on the slide bar, and a sealing device used for sealing the sealing plate at the water passing passage when the gate valve leaks is arranged between the first water passing seat and the sealing plate.
The further improvement is that: the sealing device comprises a magnetic block, the magnetic block is arranged in a sealing plate, a solenoid which can attract the magnetic block after being electrified is arranged in the first water passing seat, a storage battery is arranged in the gate valve body, the solenoid is electrically connected with the storage battery, and a control device for controlling the solenoid to be electrified is arranged in the gate valve body.
The further improvement is that: the control device comprises a first conductive rod and a second conductive rod, an insulating chamber which can be used for flowing in of fluid medium is arranged in the gate valve body, the insulating chamber is communicated with a water outlet channel, the first conductive rod and the second conductive rod are respectively arranged at the bottom of the insulating chamber, the anode of the storage battery is electrically connected with the first conductive rod, one end of the solenoid is electrically connected with the second conductive rod, the cathode of the storage battery is electrically connected with the other end of the solenoid, a first control valve is arranged at the position of the inlet of the fluid medium on the insulating chamber, a water outlet channel communicated with the outside is arranged at the bottom of the insulating chamber, and a second control valve is arranged in the water outlet channel.
The further improvement is that: the insulating chamber is provided with a filter screen for preventing impurities from flowing in at the position of the fluid medium inflow port, and the gate valve body is internally provided with a cleaning device for cleaning the impurities on the filter screen.
The further improvement is that: the cleaning device comprises a plurality of brushes, the gate valve body is located the water outlet channel internal fixation and is equipped with the second connecting seat, offer the second fluid channel that supplies the fluid to flow through on the second connecting seat, rotatable dwang that is equipped with on the second connecting seat, the brush is fixed to be located on the dwang, be equipped with on the dwang and be used for driving dwang pivoted rotating device.
The further improvement is that: the rotating device comprises an impeller which is fixedly connected with the rotating rod.
The further improvement is that: the second connecting seat is fixedly provided with a power generation device, the power generation device is connected with the rotating rod, and the power generation device is electrically connected with the storage battery.
The further improvement is that: the gate valve body is provided with transparent viewing aperture in the position that is located the insulating chamber, still be equipped with the drying device who is used for drying the insulating chamber in the insulating chamber, drying device is connected with the battery electricity.
The further improvement is that: the insulating chamber is provided with an inclined plane at the position of the fluid medium inflow port.
The further improvement is that: the gate valve body is provided with an alarm lamp and a buzzer, one end of each of the alarm lamp and the buzzer is electrically connected with the second conductive rod, and the other end of each of the alarm lamp and the buzzer is electrically connected with the cathode of the storage battery.
The invention has the advantages and beneficial effects that:
1. simple structure and convenient use. When the gate valve is closed and leaked, the first conductive rod and the second conductive rod are electrified through the flowing of the fluid medium into the insulating chamber, so that the solenoid is attracted to the sealing plate, the water channel is sealed, the loss of production or the waste of water resources and the like caused by the leakage of the gate valve is prevented, and the problem that the gate valve is not closed due to long-term use abrasion of the gate valve or negligence of staff is effectively avoided.
2. Through the cooperation of water seat and closing plate, can prevent that the hydraulic medium backward flow from producing the water hammer effect when the gate valve is closed, be favorable to protecting the valve plate, improve the life of gate valve.
3. The filter screen can prevent impurity in the fluid from blocking up the check valve, and belt cleaning device can wash the filter screen, prevents that impurity from attaching on the filter screen, influences the fluid medium and flows into the insulating room, is favorable to long-term use, improves its practicality, reduces maintenance cost.
4. Drying device can guarantee that the insulating is indoor dry, prevents that the insulating is indoor moist and leads to first conductive rod and second conductive rod circular telegram.
5. The alarm lamp and the buzzer can timely facilitate the staff to process the leakage of the gate valve.
6. The power generation device can charge the storage battery when the impeller drives the hairbrush to clean the filter screen, so that the energy consumption is saved, and the use cost is reduced.
Drawings
Fig. 1 is a schematic diagram of a sectional structure of a trench gate valve with a leakage prevention function according to an embodiment of the present invention.
Fig. 2 is an enlarged schematic view of the structure of embodiment a of the present invention.
Fig. 3 is a schematic view of a first connecting seat according to an embodiment of the invention.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present invention, and are not intended to limit the scope of the present invention.
As shown in fig. 1-3, a trench gate valve with a leakage-proof function comprises a gate valve body 1, a first water passing seat 14 provided with a water passing channel, a valve cover 4 arranged above the gate valve body 1, a water inlet channel 2 and a water outlet channel 3 radially provided along the gate valve body 1, a valve plate 5 arranged between the water inlet channel 2 and the water outlet channel 3 and used for controlling the opening and closing of fluid, a valve rod 6 arranged above the valve plate 5 and positioned inside the gate valve body 1, a channel arranged above the valve rod 6, the upper end of the valve rod 6 penetrates out of the channel, the first water passing seat 14 is fixedly arranged in the water outlet channel 3, a first connecting seat 9 is fixedly arranged at one end of the water outlet channel 3 positioned at the first water passing seat 14, a first fluid channel 91 for the flowing of fluid is provided on the first connecting seat 9, a slide rod 10 is slidably arranged on the first connecting seat 9, the slide bar 10 is fixedly provided with a sealing plate 11 for sealing a water passing channel, a sealing device for sealing the sealing plate 11 in the water passing channel when the gate valve leaks is arranged between the first water passing seat 14 and the sealing plate 11, the sealing device comprises a magnetic block 12, the magnetic block 12 is arranged in the sealing plate 11, a solenoid 13 which can attract the magnetic block 12 after being electrified is arranged in the first water passing seat 14, a storage battery (shown schematically in the figure) is arranged in the gate valve body 1, an insulating chamber 27 for flowing in a fluid medium is arranged in the gate valve body 1, the insulating chamber 27 is communicated with the water outlet channel 3, a first conductive rod 26 and a second conductive rod 25 are arranged at the bottom of the insulating chamber 27, the anode of the storage battery is electrically connected with the first conductive rod 26, one end of the solenoid 13 is electrically connected with the second conductive rod 25, the cathode of the storage battery is electrically connected with the other end of the solenoid 13, a one-way valve 23 is arranged on the insulating chamber 27 at the position of the fluid medium inflow port, a drainage channel (not shown in the figure) communicated with the outside is arranged at the bottom of the insulating chamber 27, and a drainage valve (not shown in the figure) is arranged in the drainage channel.
In order to prevent impurity in the fluid from blocking the check valve, the insulating chamber is located fluid medium inflow port department and is equipped with the filter screen 22 that prevents impurity inflow, be equipped with the belt cleaning device who is used for cleaning impurity on the filter screen 22 in the gate valve body 1, belt cleaning device includes a plurality of brushes 20, gate valve body 1 is located the fixed second connecting seat 15 that is equipped with in water outlet channel 3, set up the second fluid channel 16 that supplies the fluid to flow through on the second connecting seat 15, rotatable dwang 18 that is equipped with on the second connecting seat 15, the brush 20 is fixed to be located on the dwang 18, brush 20 can be resisted with filter screen 22, be equipped with on the dwang 18 and be used for driving dwang 18 pivoted impeller 21, impeller 21 and dwang 18 fixed connection, the contained angle of impeller 21 and fluid medium is 45, makes it can be better drive dwang 18 and rotate.
In order to promote sustainable utilization of resources, the second connecting seat is fixedly provided with a power generation device 17 (the power generation device is a well-known product and is not aligned and described in detail herein), the power generation device 17 is connected with a rotating rod 18, and the power generation device 17 is electrically connected with a storage battery.
In order to ensure the drying in the insulating chamber and prevent the first conductive rod 25 and the second conductive rod 26 from being electrified due to the wetting in the insulating chamber, a transparent observation port is arranged at the position of the gate valve body 1, which is positioned in the insulating chamber 27, a heating plate 24 for drying the insulating chamber 17 is further arranged in the insulating chamber 27, and the heating plate 24 is electrically connected with a storage battery.
In order to enable the leaked fluid to flow into the insulating chamber 27 better, an inclined surface is formed in the insulating chamber 27 at the fluid medium inflow port.
In order to be convenient for the staff in time to the processing of gate valve leakage, be equipped with warning light 7 and buzzer 8 on the gate valve body 1, warning light 7 and buzzer 8 are connected with second conductive rod 26 electricity respectively one end, and the other end is connected with battery cathode electricity.
Working principle:
when the gate valve is closed, the check valve 23 is opened, if the gate valve leaks, fluid medium flows to the water outlet channel 3 and then flows into the insulating chamber 27 from the check valve 23, at the moment, the first conductive rod 26 and the second conductive rod 25 are communicated, so that the storage battery is electrified with the solenoid 13, the solenoid 13 generates magnetic force which is attracted with the magnetic block 12 in the sealing plate 11, so that the sealing plate 11 slides and resists attraction with the first water passing seat 14, the water passing channel on the first water passing seat 14 is closed, the medium is prevented from flowing out through the water outlet channel 3, and at the moment, the alarm lamp 7 and the buzzer 8 give an alarm, so that workers can process in time. When the gate valve is to be opened, the one-way valve 23 is closed, then the drain valve is opened, water in the insulating chamber 27 is drained, then the heating plate 24 is opened to heat, the insulating chamber 27 is dried, the first conductive rod 26 and the second conductive rod 25 are prevented from conducting electricity, and then the drain valve is closed. At this time, the gate valve is opened, the fluid medium enters the water outlet channel 3 from the water inlet channel 2, the fluid medium washes the impeller 21, the impeller 21 rotates to drive the rotating rod 18 to rotate, the rotating rod 18 rotates to drive the brush 20 to rotate, the impurities attached to the filter screen 22 are removed after the brush 20 rotates, the filter screen 22 is prevented from being blocked by the impurities, the fluid medium is prevented from flowing into the insulating chamber 27, and then the fluid medium flows out from the first water passing seat 14.
While the basic principles and main features of the present invention and advantages thereof have been shown and described, it will be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, which are described merely by way of illustration of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a slot gate valve with prevent leaking function, includes the gate valve body, set up in the valve gap of gate valve body top, along the radial inlet channel and the outlet channel of seting up of gate valve body, set up in the inlet channel with be used for controlling the valve plate that the fluid was opened and close between the outlet channel, the valve plate top is located the inside valve rod that is equipped with of gate valve body, the passageway has been seted up to the valve rod top, the valve rod upper end wears out passageway, its characterized in that: still including the first seat of crossing that crosses water passage has been seted up, the first seat of crossing water is fixed to be located in the water passage, the water passage is located the fixed first connecting seat that is equipped with of one end that crosses water passage and is located first seat of crossing water, offer the first fluid passage that supplies the fluid to flow through on the first connecting seat, slidable wears to be equipped with the slide bar on the first connecting seat, fixed being equipped with on the slide bar is used for crossing the inclosed closing plate of water passage, be equipped with the sealing device who is used for airtight sealing plate at the water passage when the gate valve leaks between first seat of crossing water and the closing plate, sealing device includes the magnetic path, the magnetic path is located in the closing plate, be equipped with the solenoid that can inhale mutually with the magnetic path in the first seat of crossing water, be equipped with the electric connection of solenoid and battery electricity, this internal controlling means that is used for controlling solenoid circular telegram that is equipped with of gate valve, controlling means includes first conducting rod and second conducting rod, the insulating chamber that can supply the fluid medium inflow is equipped with in the gate valve body, insulating chamber is linked together with the water passage, sealing device includes the magnetic path, first conducting rod and second conducting rod are equipped with the sealing device of sealing device when leaking water passage leak, the gate valve is located the bottom of first conducting rod and the second conducting rod respectively, the first conducting rod is connected with the second conducting rod, the second conducting rod is connected with the second conducting rod with the second channel, the second conducting rod is connected with the negative electrode, the insulating chamber and the negative electrode, the negative electrode is connected with the negative electrode, and the negative electrode.
2. The trench gate valve with leakage prevention function according to claim 1, wherein: the insulating chamber is provided with a filter screen for preventing impurities from flowing in at the position of the fluid medium inflow port, and the gate valve body is internally provided with a cleaning device for cleaning the impurities on the filter screen.
3. The trench gate valve with a leakage preventing function according to claim 2, wherein: the cleaning device comprises a plurality of brushes, the gate valve body is located the water outlet channel internal fixation and is equipped with the second connecting seat, offer the second fluid channel that supplies the fluid to flow through on the second connecting seat, rotatable dwang that is equipped with on the second connecting seat, the brush is fixed to be located on the dwang, be equipped with on the dwang and be used for driving dwang pivoted rotating device.
4. A trench gate valve with leakage prevention function according to claim 3, characterized in that: the rotating device comprises an impeller which is fixedly connected with the rotating rod.
5. A trench gate valve with leakage prevention function according to claim 3, characterized in that: the second connecting seat is fixedly provided with a power generation device, the power generation device is connected with the rotating rod, and the power generation device is electrically connected with the storage battery.
6. The trench gate valve with leakage prevention function according to claim 1, wherein: the gate valve body is provided with transparent viewing aperture in the position that is located the insulating chamber, still be equipped with the drying device who is used for drying the insulating chamber in the insulating chamber, drying device is connected with the battery electricity.
7. The trench gate valve with leakage prevention function according to claim 1, wherein: the insulating chamber is provided with an inclined plane at the position of the fluid medium inflow port.
8. The trench gate valve with leakage prevention function according to claim 1, wherein: the gate valve body is provided with an alarm lamp and a buzzer, one end of each of the alarm lamp and the buzzer is electrically connected with the second conductive rod, and the other end of each of the alarm lamp and the buzzer is electrically connected with the cathode of the storage battery.
CN202110445942.0A 2021-04-25 2021-04-25 Groove gate valve with anti-leakage function Active CN113309867B (en)

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Application Number Priority Date Filing Date Title
CN202110445942.0A CN113309867B (en) 2021-04-25 2021-04-25 Groove gate valve with anti-leakage function

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Application Number Priority Date Filing Date Title
CN202110445942.0A CN113309867B (en) 2021-04-25 2021-04-25 Groove gate valve with anti-leakage function

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CN113309867A CN113309867A (en) 2021-08-27
CN113309867B true CN113309867B (en) 2023-06-06

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114602226B (en) * 2022-03-25 2024-02-13 华光阀门有限公司 High-efficient sealed slot butterfly valve

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1182776A (en) * 1997-09-08 1999-03-26 Kurimoto Shoji Kk Pressure reduction type reverse flow preventing device
CN107830234A (en) * 2017-12-05 2018-03-23 海宁市水享净水设备有限公司 A kind of leakage protection system for water
JP2019007524A (en) * 2017-06-22 2019-01-17 株式会社木村技研 Shutoff valve and water leakage control system
CN111188929A (en) * 2020-02-28 2020-05-22 天虹阀门科技（泉州）有限公司 Gate valve with check function
CN112112988A (en) * 2020-07-24 2020-12-22 天虹阀门科技（泉州）有限公司 Backflow-preventing non-return gate valve
CN112324981A (en) * 2020-11-17 2021-02-05 柴燕飞 Industrial leak-proof electromagnetic valve capable of eliminating water hammer
CN215950528U (en) * 2021-01-06 2022-03-04 浙江三花制冷集团有限公司 Drive controller

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1182776A (en) * 1997-09-08 1999-03-26 Kurimoto Shoji Kk Pressure reduction type reverse flow preventing device
JP2019007524A (en) * 2017-06-22 2019-01-17 株式会社木村技研 Shutoff valve and water leakage control system
CN107830234A (en) * 2017-12-05 2018-03-23 海宁市水享净水设备有限公司 A kind of leakage protection system for water
CN111188929A (en) * 2020-02-28 2020-05-22 天虹阀门科技（泉州）有限公司 Gate valve with check function
CN112112988A (en) * 2020-07-24 2020-12-22 天虹阀门科技（泉州）有限公司 Backflow-preventing non-return gate valve
CN112324981A (en) * 2020-11-17 2021-02-05 柴燕飞 Industrial leak-proof electromagnetic valve capable of eliminating water hammer
CN215950528U (en) * 2021-01-06 2022-03-04 浙江三花制冷集团有限公司 Drive controller

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