CN112145785A - Waterproof type valve two-stage drive arrangement - Google Patents

Waterproof type valve two-stage drive arrangement Download PDF

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Publication number
CN112145785A
CN112145785A CN202010949299.0A CN202010949299A CN112145785A CN 112145785 A CN112145785 A CN 112145785A CN 202010949299 A CN202010949299 A CN 202010949299A CN 112145785 A CN112145785 A CN 112145785A
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CN
China
Prior art keywords
connecting pipe
valve core
valve
sliding
outer frame
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010949299.0A
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Chinese (zh)
Inventor
项小红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei Jialisheng Technology Co ltd
Original Assignee
Hubei Jialisheng Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hubei Jialisheng Technology Co ltd filed Critical Hubei Jialisheng Technology Co ltd
Priority to CN202010949299.0A priority Critical patent/CN112145785A/en
Publication of CN112145785A publication Critical patent/CN112145785A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/53—Mechanical actuating means with toothed gearing
    • F16K31/535—Mechanical actuating means with toothed gearing for rotating 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
    • 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
    • F16K1/16—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 with pivoted closure-members
    • F16K1/18—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 with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—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 with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/221—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 with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves specially adapted operating means therefor
    • 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
    • F16K1/16—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 with pivoted closure-members
    • F16K1/18—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 with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—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 with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/223—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 with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves with a plurality of 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
    • F16K47/00—Means in valves for absorbing fluid energy
    • F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
    • F16K47/023—Means in valves for absorbing fluid energy for preventing water-hammer or noise for preventing water-hammer, e.g. damping of the valve movement

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mechanically-Actuated Valves (AREA)

Abstract

The invention discloses a waterproof type two-stage valve driving device, relates to the technical field of valve driving, and solves the problems that the valve driving device is easily corroded by solution in a pipeline, liquid can impact the valve driving device under inertia, and abrasion of a valve driving mechanism is accelerated. A waterproof type two-stage driving device for a valve comprises an outer frame; the outer frame comprises a sliding groove, a middle control bin, a middle connecting pipe and a lower connecting pipe, wherein the middle part of the outer frame is provided with the middle connecting pipe, and the middle connecting pipe is communicated with the lower connecting pipe; the middle part of the middle connecting pipe is connected with a first valve core in a sliding way; the first valve core comprises a sliding block, a first connecting pipe and a second connecting pipe, and the outer side of the first valve core is fixedly connected with a sliding block. According to the invention, the water flow impacts the damping plate by slowing down the overturning action of the damping plate, and the impact of the water flow on the first valve core is reduced by damping through the spring at the top of the damping plate, so that the durability of the first valve core is enhanced.

Description

Waterproof type valve two-stage drive arrangement
Technical Field
The invention relates to the technical field of valve driving, in particular to a waterproof type two-stage driving device for a valve.
Background
The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like.
Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The valves are further 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 valves, etc. according to the material.
For example, patent No. CN103363125A discloses a multi-stage valve driven by a speed reduction motor, which includes a valve body, a valve core, and a speed reduction motor driving the valve core to form valve on-off; the valve body is provided with a valve cavity penetrating through two ends of the valve body, and the speed reducing motor is fixed in the valve cavity; the valve core is of a two-stage structure and comprises a first-stage valve core and a second-stage valve core; the end surface of the secondary valve core is provided with a secondary sealing ring and can form sealing connection with the side wall of the outlet of the valve cavity through the secondary sealing ring; the middle part of the secondary valve core is provided with a shaft hole, and the side wall of the shaft hole is provided with a plurality of through holes; one end of the primary valve core is provided with a spiral hole, the other end of the primary valve core is provided with a stepped shaft which is in sliding fit with the shaft hole, a transmission screw rod is arranged in the spiral hole, the free end of the transmission screw rod is in transmission connection with an output shaft of the speed reducing motor, and a primary sealing ring which can seal and cover the hole is arranged on the stepped surface of the stepped shaft; the stepped shaft passes through the shaft hole, and a limiting device for limiting the axial sliding distance of the secondary valve core is arranged at the shaft end.
The existing valve driving device is arranged inside a valve and is mutually blended with the inside of a pipeline, the valve driving device is easily corroded by solution inside the pipeline, and after the valve is closed, liquid can impact the valve driving device under inertia to accelerate the abrasion of a valve driving mechanism.
Disclosure of Invention
The invention aims to provide a waterproof valve two-stage driving device, which aims to solve the problems that the existing valve driving device proposed in the background art is arranged in a valve and is mutually fused with the interior of a pipeline, the valve driving device is easily corroded by solution in the pipeline, and after the valve is closed, liquid can impact the valve driving device under inertia to accelerate the abrasion of a valve driving mechanism.
In order to achieve the purpose, the invention provides the following technical scheme: a waterproof type two-stage driving device for a valve comprises an outer frame; the outer frame comprises a sliding groove, a middle control bin, a middle connecting pipe and a lower connecting pipe, wherein the middle part of the outer frame is provided with the middle connecting pipe, and the middle connecting pipe is communicated with the lower connecting pipe; the middle part of the middle connecting pipe is connected with a first valve core in a sliding way; the first valve core comprises a sliding block, a first connecting pipe and a second connecting pipe, and the outer side of the first valve core is fixedly connected with a sliding block; the middle part of the first valve core is fixedly connected with a first connecting pipe; the head end of the first connecting pipe is connected with the tail end of the second connecting pipe in a nested and meshed mode; the head end of the second connecting pipe is meshed with the toothed plate; the top of the toothed plate is meshed and connected with the bottom of the ratchet ring; the ratchet ring comprises a ratchet block, a support column, a connecting column and a hand wheel, wherein the top of the ratchet ring is rotatably connected with one connecting column; the top of the connecting column is fixedly connected with a hand wheel; the lower end of the connecting column is fixedly connected with a supporting column; the support column is connected with the ratchet block in a sliding manner; the toothed plate is rotatably connected with a second valve core, and the second valve core is positioned in the middle of the lower connecting pipe; the front end of the outer frame is rotatably connected with a damping plate; the damping plate comprises a connecting strip, and the damping plate is fixedly connected with the tail end of the connecting strip; the head end of the connecting strip is connected with the front side of the first valve core in a sliding mode.
Preferably, the top of the ratchet ring is provided with a groove, the inside of the groove is provided with a ratchet, and the ratchet is meshed and connected with the ratchet block.
Preferably, the tail end of the ratchet block is slidably connected with the support column, a spring is arranged in the support column, the head end of the spring is fixedly connected with the ratchet block, and the tail end of the spring is fixedly connected with the connecting column.
Preferably, the lower ends of the second connecting pipe and the toothed plate are connected with the central control bin in a penetrating and rotating mode, and the second connecting pipe, the toothed plate and the ratchet ring are arranged inside the central control bin.
Preferably, the head end of the connecting strip is provided with a sliding groove, the sliding groove is connected with the first valve core in a sliding mode, the middle of the damping plate is provided with a rotating shaft, the top of the rotating shaft penetrates through the upper end of the outer frame, and the top of the rotating shaft is fixedly connected with the outer frame through a spring.
Preferably, the first valve core is of a two-layer ladder structure, a sealing rubber ring is fixed at the step joint of the middle part of the first valve core, the outer side of the middle connecting pipe is reduced by one tenth compared with the inner side, and the first valve core is matched with the joint of the inner side and the outer side of the middle connecting pipe.
Preferably, two sides of the upper part and the middle part of the first valve core are fixedly connected with three sliding blocks, two sides of the top part and the middle part of the outer frame are provided with three sliding grooves, and the sliding grooves are in sliding connection with the sliding blocks.
Preferably, two middle connecting pipes are arranged at the head end and the tail end of the outer frame, the hand wheel is rotated, the first valve cores at the two positions move transversely, and the center of the second valve core overturns.
Compared with the prior art, the invention has the beneficial effects that:
1. the ratchet block is meshed with the ratchet ring to open the valve in one direction or in a reciprocating mode, the valve can be opened in a narrow space conveniently by rotating the valve in a reciprocating mode, and when the square valve is clamped, the ratchet block vibrates the ratchet ring through reverse rotation to loosen the structure in the valve and open the valve conveniently.
2. The damping plate is rotatably connected with the first valve core through the connecting strip, the connecting strip is provided with the sliding groove, the overturning action of the damping plate is slower than the closing action of the first valve core, after the first valve core is closed, the damping plate is closed under the action of the top spring, water flow impacts the damping plate by slowing down the overturning action of the damping plate, the damping is realized through the top spring of the damping plate, the impact of the water flow on the first valve core is reduced, and the durability of the first valve core is enhanced.
3. According to the invention, the second connecting pipe, the toothed plate and the ratchet ring are all arranged in the central control bin and isolated from water flow in the pipeline, the water resistance of the internal driving device is enhanced, the separation capability of the valve is enhanced by the first valve core and the second valve core at two positions, and the residual water in the lower connecting pipe is beneficial to balancing the air pressure in the valve.
Drawings
FIG. 1 is a three-dimensional schematic of the present invention;
FIG. 2 is a schematic longitudinal half-section of the present invention;
FIG. 3 is a schematic view of the ratchet ring structure of the present invention;
FIG. 4 is a schematic diagram of an enlarged portion A of FIG. 3 according to the present invention;
FIG. 5 is a schematic view of a second spool configuration of the present invention;
FIG. 6 is a schematic view of a connector strip of the present invention;
FIG. 7 is a schematic illustration of the disassembled structure of the present invention;
in the figure: 1. an outer frame; 101. a chute; 102. a central control bin; 103. a middle connecting pipe; 104. a lower connecting pipe; 2. a first valve spool; 201. a slider; 202. a first connecting pipe; 203. a second connecting pipe; 3. a toothed plate; 4. a ratchet ring; 401. a ratchet block; 402. a support pillar; 403. connecting columns; 404. a hand wheel; 5. a second valve core; 6. a damper plate; 601. and (4) connecting strips.
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.
Referring to fig. 1 to 7, an embodiment of the present invention includes: a waterproof type two-stage driving device for a valve comprises an outer frame 1; the outer frame 1 comprises a sliding groove 101, a central control bin 102, a middle connecting pipe 103 and a lower connecting pipe 104, the middle part of the outer frame 1 is provided with the middle connecting pipe 103, and the middle connecting pipe 103 is communicated with the lower connecting pipe 104; the middle part of the middle connecting pipe 103 is connected with a first valve core 2 in a sliding way; the first valve core 2 comprises a slide block 201, a first connecting pipe 202 and a second connecting pipe 203, and the outer side of the first valve core 2 is fixedly connected with the slide block 201; the upper part and two sides of the middle part of the first valve core 2 are fixedly connected with three sliding blocks 201, two sides of the top part and the middle part of the outer frame 1 are provided with three sliding grooves 101, the sliding grooves 101 are in sliding connection with the sliding blocks 201 to assist the first valve core 2 to stably fit with the joint of the inner side and the outer side of the middle connecting pipe 103, and the middle part of the first valve core 2 is fixedly connected with a first connecting pipe 202; the head end of the first connecting pipe 202 is connected with the tail end of the second connecting pipe 203 in a nested and meshed mode; the head end of the second connecting pipe 203 is engaged with the toothed plate 3; the top of the toothed plate 3 is meshed and connected with the bottom of the ratchet ring 4; the ratchet ring 4 comprises a ratchet block 401, a support column 402, a connecting column 403 and a hand wheel 404, and the top of the ratchet ring 4 is rotatably connected with one connecting column 403; the top of the connecting column 403 is fixedly connected with a hand wheel 404; the tail end of the ratchet block 401 is connected with the support column 402 in a sliding manner, a spring is arranged in the support column 402, the head end of the spring is fixedly connected with the ratchet block 401, and the tail end of the spring is fixedly connected with the connecting column 403; the lower end of the connecting column 403 is fixedly connected with a supporting column 402; the support column 402 is connected with the ratchet block 401 in a sliding manner; a second valve core 5 is rotatably connected in the toothed plate 3, and the second valve core 5 is positioned in the middle of the lower connecting pipe 104; two middle connecting pipes 103 are arranged at the head end and the tail end of the outer frame 1, a hand wheel 404 is rotated, two first valve cores 2 move transversely, the center of a second valve core 5 turns over, the operation is convenient, and a plurality of valves are opened and closed at one time; the front end of the outer frame 1 is rotatably connected with a damping plate 6; the damping plate 6 comprises a connecting strip 601, and the damping plate 6 is fixedly connected with the tail end of the connecting strip 601; the head end of the connecting strip 601 is connected with the front side of the first valve core 2 in a sliding manner.
Further, a groove is formed in the top of the ratchet ring 4, a ratchet is arranged in the groove, the ratchet is meshed with the ratchet block 401 and meshed with the ratchet ring 4 through the ratchet block 401, the valve can be opened in one direction in a rotating mode or can be opened in a reciprocating rotating mode, the valve can be opened in a narrow space conveniently through the reciprocating rotating valve, when the square valve is clamped, the ratchet block 401 vibrates the ratchet ring 4 through reverse rotation, the structure inside the valve is loosened, and the valve is opened conveniently.
Further, second connecting pipe 203, pinion rack 3 lower extreme all run through with well accuse storehouse 102 and rotate and be connected, and well accuse storehouse 102 is inside to be provided with second connecting pipe 203, pinion rack 3 and ratchet circle 4, and isolated with the inside rivers of pipeline, reinforcing inside drive arrangement's waterproof nature.
Further, the head end of the connecting strip 601 is provided with a sliding groove, the sliding groove is connected with the first valve element 2 in a sliding mode, the middle of the damping plate 6 is provided with a rotating shaft, the top of the rotating shaft penetrates through the upper end of the outer frame 1, the top of the rotating shaft is fixedly connected with the outer frame 1 through a spring, after the first valve element 2 is closed, the damping plate 6 is closed under the action of a top spring, the damping plate 6 is enabled to be impacted by water flow through the action of slowing down the overturning of the damping plate 6, the damping of the top spring of the damping plate 6 is achieved, the impact of the water flow on the first valve element 2 is relieved, and the durability of the first valve element.
Further, the first valve core 2 is of a two-layer stepped structure, a sealing rubber ring is fixed at the stepped joint of the middle part of the first valve core 2, the outer side of the middle connecting pipe 103 is reduced by one tenth, the first valve core 2 is matched with the joint of the inner side and the outer side of the middle connecting pipe 103, the first valve core 2 and the second valve core 5 at two positions enhance the partition capacity of the valve, and the residual moisture inside the lower connecting pipe 104 is beneficial to balancing the air pressure inside the valve.
The working principle is as follows: the valve can be rotated and opened in one direction by meshing the ratchet block 401 with the ratchet ring 4, or the valve can be rotated and opened in a reciprocating way by rotating the ratchet block 401 in a reciprocating way, the valve can be conveniently opened in a narrow space by rotating the valve in a reciprocating way, when the inside of the valve is clamped, the ratchet block 401 vibrates the ratchet ring 4 by rotating in the reverse direction, the structure in the valve is loosened, the valve is conveniently opened, the damping plate 6 is rotatably connected with the first valve core 2 by the connecting strip 601, the connecting strip 601 is provided with a chute, the overturning action of the damping plate 6 is slower than the closing action of the first valve core 2, after the first valve core 2 is closed, the damping plate 6 is closed under the action of a top spring, the water impacts the damping plate 6 by slowing down the overturning action of the damping plate 6, the shock is absorbed by the top spring of the damping plate 6, the impact of the water on the first valve core 2 is relieved, the durability of the first valve core 2, Pinion rack 3 and ratchet wheel 4 all set up in well accuse storehouse 102, and well accuse storehouse 102 through connection department all is provided with water proof rubber ring, and well accuse storehouse 102 is isolated with the inside rivers of pipeline, strengthens inside drive arrangement's waterproof nature, and the partition ability of two first case 2 and the valve of second case 5 reinforcing valves, the inside remaining moisture of lower connecting pipe 104 is favorable to the inside atmospheric pressure of balanced valve.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. The utility model provides a waterproof type valve two-stage drive arrangement which characterized in that: comprising an outer frame (1); the outer frame (1) comprises a sliding groove (101), a central control bin (102), a middle connecting pipe (103) and a lower connecting pipe (104), the middle part of the outer frame (1) is provided with the middle connecting pipe (103), and the middle connecting pipe (103) is communicated with the lower connecting pipe (104); the middle part of the middle connecting pipe (103) is connected with a first valve core (2) in a sliding way; the first valve core (2) comprises a sliding block (201), a first connecting pipe (202) and a second connecting pipe (203), and the outer side of the first valve core (2) is fixedly connected with the sliding block (201); the middle part of the first valve core (2) is fixedly connected with a first connecting pipe (202); the head end of the first connecting pipe (202) is connected with the tail end of the second connecting pipe (203) in a nested and meshed mode; the head end of the second connecting pipe (203) is meshed with the toothed plate (3); the top of the toothed plate (3) is meshed and connected with the bottom of the ratchet ring (4); the ratchet ring (4) comprises a ratchet block (401), a support column (402), a connecting column (403) and a hand wheel (404), and the top of the ratchet ring (4) is rotatably connected with one connecting column (403); the top of the connecting column (403) is fixedly connected with a hand wheel (404); the lower end of the connecting column (403) is fixedly connected with a supporting column (402); the supporting column (402) is in sliding connection with the ratchet block (401); the toothed plate (3) is rotatably connected with a second valve core (5), and the second valve core (5) is positioned in the middle of the lower connecting pipe (104); the front end of the outer frame (1) is rotatably connected with a damping plate (6); the damping plate (6) comprises a connecting strip (601), and the damping plate (6) is fixedly connected with the tail end of the connecting strip (601); the head end of the connecting strip (601) is connected with the front side of the first valve core (2) in a sliding mode.
2. A two-stage drive for a water-resistant valve according to claim 1, wherein: the top of the ratchet ring (4) is provided with a groove, the inside of the groove is provided with a ratchet, and the ratchet is meshed and connected with the ratchet block (401).
3. A two-stage drive for a water-resistant valve according to claim 1, wherein: the tail end of the ratchet block (401) is connected with the supporting column (402) in a sliding mode, a spring is arranged in the supporting column (402), the head end of the spring is fixedly connected with the ratchet block (401), and the tail end of the spring is fixedly connected with the connecting column (403).
4. A two-stage drive for a water-resistant valve according to claim 1, wherein: the lower ends of the second connecting pipe (203) and the toothed plate (3) are connected with the central control bin (102) in a penetrating and rotating mode, and the second connecting pipe (203), the toothed plate (3) and the ratchet ring (4) are arranged inside the central control bin (102).
5. A two-stage drive for a water-resistant valve according to claim 1, wherein: the head end of the connecting strip (601) is provided with a sliding groove, the sliding groove is connected with the first valve core (2) in a sliding mode, the middle of the damping plate (6) is provided with a rotating shaft, the top of the rotating shaft penetrates through the upper end of the outer frame (1), and the top of the rotating shaft is fixedly connected with the outer frame (1) through a spring.
6. A two-stage drive for a water-resistant valve according to claim 1, wherein: the first valve core (2) is of a two-layer ladder structure, a sealing rubber ring is fixed at the joint of the ladders in the middle of the first valve core (2), the outer side of the middle connecting pipe (103) is reduced by one tenth compared with the inner side, and the first valve core (2) is matched with the joint of the inner side and the outer side of the middle connecting pipe (103).
7. A two-stage drive for a water-resistant valve according to claim 1, wherein: the upper portion and middle portion of the first valve core (2) are fixedly connected with three sliding blocks (201), three sliding grooves (101) are formed in the top portion and the middle portion of the outer frame (1), and the sliding grooves (101) are connected with the sliding blocks (201) in a sliding mode.
8. A two-stage drive for a water-resistant valve according to claim 1, wherein: two middle connecting pipes (103) are arranged at the head end and the tail end of the outer frame (1), a hand wheel (404) is rotated, two first valve cores (2) move transversely, and the center of a second valve core (5) turns over and moves.
CN202010949299.0A 2020-09-10 2020-09-10 Waterproof type valve two-stage drive arrangement Pending CN112145785A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010949299.0A CN112145785A (en) 2020-09-10 2020-09-10 Waterproof type valve two-stage drive arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010949299.0A CN112145785A (en) 2020-09-10 2020-09-10 Waterproof type valve two-stage drive arrangement

Publications (1)

Publication Number Publication Date
CN112145785A true CN112145785A (en) 2020-12-29

Family

ID=73889601

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010949299.0A Pending CN112145785A (en) 2020-09-10 2020-09-10 Waterproof type valve two-stage drive arrangement

Country Status (1)

Country Link
CN (1) CN112145785A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113251020A (en) * 2021-05-28 2021-08-13 张卫建 Detachable hydrovalve for afforestation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113251020A (en) * 2021-05-28 2021-08-13 张卫建 Detachable hydrovalve for afforestation
CN113251020B (en) * 2021-05-28 2023-12-22 泉发建设股份有限公司 Detachable hydraulic valve for landscaping

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