CN101498377B - Safety lock valve for cut off the water supply - Google Patents
Safety lock valve for cut off the water supply Download PDFInfo
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- CN101498377B CN101498377B CN2009100610980A CN200910061098A CN101498377B CN 101498377 B CN101498377 B CN 101498377B CN 2009100610980 A CN2009100610980 A CN 2009100610980A CN 200910061098 A CN200910061098 A CN 200910061098A CN 101498377 B CN101498377 B CN 101498377B
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- water
- water pressure
- valve body
- swing arm
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Abstract
A water failure security insurance valve comprises a valve body, a water pressure sensing device and an on-off actuating unit; the water pressure sensing device comprises a movable rod gland bush, a movable pressure spring, a water pressure movable rod and a gasket; the on-off actuating unit comprises a rotating rod gland bush, an on-off pressure spring, a rotating rod, a torsional spring, a nut and a trigger piece; the screw threads on the movable rod gland bush of the water pressure sensing device are connected with that of sensing holes of the valve body; the lower shaft encircle of the water pressure movable rod of the water pressure sensing device is contacted with sealing faces of the sensing holes of the valve body; the screw threads of the rotating rod gland bush of the on-off actuating unit are connected with that of the on-off holes of the valve body; the bottom plane of the rotating rod of the on-off actuating unit is contacted with the on-off sealing surface of the valve body; when the arm of the trigger piece is blocked by the upper part of the water pressure movable rod and can not rotate, the notches at the lower side of the rotating rod gland are just aligned with the water through holes on the clapboards of the valve body; when the arm of the trigger piece is vertical with the line of centers of the water pressure movable rod and rotating rod, the lower end of the rotating rod gland bush seals the water through holes. The water failure security insurance valve has the advantages of reliable work, convenient use and simple structure.
Description
Technical field
The present invention relates to the tap water supply system safety installations of cutting off the water, particularly relate to the safety lock valve of cutting off the water.
Background technique
In daily life, if tap water cut-off, the user fetches boiling water and is easy to forget behind the tap and closes water tap, and after resuming water supply, current leak, often cause the waste and the causality loss of tap water.
The patent No. is the safety valve for cutting off water of CN86101434, utilizes a proportion up and down in valve cavity less than the valve ball of water, forms preparation, two kinds of working staties of insurance corresponding to supplying water, cutting off the water, but unclamps valve gap arming state, reverts to standby condition.
The patent No. is the tap water cut-off relief valve of CN92202501.0, and main structure is: housing is made up of valve body and loam cake, assembling elasticity control knob assembly in the loam cake, assembling elasticity primary elastomeric film and valve rod main valve plug in the valve body.Major advantage be can independently use also can with the water tap use that combines as a whole, under the normal water supply condition, clicking button does not influence flowing water, comes water after cutting off the water again, plays the effect of closing automatically.
But the patent No. is the safety valve for cutting off water of CN86101434, if when the mounting point is lower than the position of water tap, after cutting off the water, even fetch boiling water tap, the water of safety valve for cutting off water can not be drained, and valve ball can not stop up the valve body water route, does not have the effect of the insurance of cutting off the water; In addition, after resuming water supply, the arming effect must valve gap be unclamped, have the tap water ejection like this, it is convenient inadequately to use.
The patent No. is the tap water cut-off relief valve of CN92202501.0, and it is that rubber is made part that two motor elements are arranged in the member, uses easy ageing for a long time, and tap water cut-off relief valve reliability is not high; In addition, after resuming water supply, the arming effect to have part of running water and from ostium excurrens, flow out, it is also convenient inadequately to use.
Summary of the invention
The purpose of this invention is to provide a kind of safety lock valve of cutting off the water, this safety lock valve reliable operation of cutting off the water, after resuming water supply, arming does not have tap water as the time spent and overflows outside the safety lock valve of cutting off the water, and is easy to use, simple in structure.
In order to achieve the above object, the safety lock valve of cutting off the water of the present invention comprises valve body, water pressure sensing device and switch actuating device; Screw thread on the moving bar gland of water pressure sensing device is threaded with the sensing hole of valve body; The lower end axle cylindrical of the water pressure rod of water pressure sensing device contacts with the sensing hole sealing surface of valve body; The screw thread of the swing arm gland of switch actuating device is threaded with the switch hole of valve body; The base plane of the swing arm of switch actuating device contacts with the switch sealing surface of valve body; When the arm of the trigger piece of switch actuating device was blocked on the water pressure rod and can not rotate, the swing arm gland lower end breach of switch actuating device was just aimed at the flowing water through hole on the dividing plate of valve body; When the arm of the trigger piece of switch actuating device becomes an angle of 90 degrees with the line of centers of water pressure rod and swing arm, the flowing water through hole on the dividing plate of swing arm gland lower end closed valve body.
The water inlet port of described valve body and water outlet port place have screw thread respectively, have dividing plate between feed-water end and the waterexit end, and dividing plate has the flowing water through hole; The switch sealing surface is arranged on the dividing plate, and the valve inleting water end has switch hole and sensing hole, the parallel axes of switch hole and sensing hole; Switch hole has internal thread; The sensing hole upper end has internal thread, lower end that the sensing hole sealing surface is arranged, and termination stiffening rib and middle stiffening rib are arranged on the valve body.The screw thread of water inlet port and water outlet port is respectively applied for the feed-water end of tap water and is connected with the waterexit end; Dividing plate between feed-water end and the waterexit end separates water inlet and water outlet; Flowing water through hole on the dividing plate is the passage of tap water; Can realize the open and close of tap water through opening or closing the flowing water through hole, switch hole and sensing hole are used to install switch actuating device and water pressure sensing device, the termination stiffening rib on the valve body and middle stiffening rib is used to that torsion spring is installed and trigger piece is spacing.
Described water pressure sensing device comprises moving bar gland, moving bar stage clip, water pressure rod and packing ring, and moving bar gland has pore, and axis hole is worn in the centre; There is screw thread the outside; The water pressure rod is the ladder oblique crank Z, and the upper shaft diameter of axle of water pressure rod is little, the lower end axle diameter of axle is big, and there is an inclined-plane in the moving masthead portion of hydraulic pressure; The upper shaft of water pressure rod passes the axis hole of wearing of moving bar gland, and moving bar stage clip and packing ring are housed between the large-diameter of the lower end axle of moving bar gland and water pressure rod.Pore on the moving bar gland is when the water pressure rod moves up and down, to discharge or the usefulness of suck air; In order to avoid formation high pressure or vacuum and hinder the motion of water pressure rod between moving bar gland and the water pressure rod; The effect of packing ring is to make to seal between bar gland and the water pressure rod better and not to make the tap water seepage; The effect on the moving masthead portion of hydraulic pressure inclined-plane is when the trigger piece return, and the arm of trigger piece inclined-plane contact therewith can produce downward active force the water pressure rod is moved downward, and crosses the water pressure rod when trigger piece; The water pressure rod moves upward under the effect of hydraulic pressure, and trigger piece is blocked in its upper end.
Described switch actuating device comprises swing arm gland, switch stage clip, swing arm, torsion spring, nut and trigger piece, and porose in the middle of the swing arm gland, there is screw thread the outside; Swing arm is the ladder oblique crank Z, and there is screw thread the upper end, and middle end is the polished rod axle; The lower end has breach, and the hole in the middle of the swing arm gland cooperates with the polished rod axle of swing arm middle end, and the switch stage clip is arranged between swing arm gland and swing arm; Trigger piece is fixed on the screw thread place, upper end of swing arm with nut, between trigger piece and swing arm gland, torsion spring is installed.The effect of switch stage clip be make the bottom of swing arm all the time with dividing plate on the switch sealing surface closely contact, make in off position not have the tap water seepage down.
There is hook at the torsion spring two ends, and its hook is hung on the arm of middle stiffening rib and trigger piece of valve body, and the active force of torsion spring is returned to the line of centers of water pressure rod and swing arm trigger piece to become an angle of 90 degrees.
The safety lock valve of cutting off the water is installed in tap water user's feed-water end; At the normal water supply state, tap water has certain pressure, and the pressure of tap water makes the compression of bar stage clip; The water pressure rod is in the packing ring contact position with its top; The arm of trigger piece is blocked in the upper end of water pressure rod, and at this moment the breach of swing arm lower end is just aimed at the flowing water through hole of dividing plate, and tap water is normally flowed out by the flowing water through hole.
When cutting off the water, the pressure of tap water diminishes, under the effect of moving bar stage clip; The water pressure rod moves downward, and the upper end indentation of water pressure rod at this moment and can not block the arm of trigger piece is under the effect of torsion spring; Trigger piece clockwise rotates up to the lower end of trigger piece and is blocked by the termination stiffening rib of valve body, and trigger piece rotates and drives the swing arm rotation, and the flowing water through hole has just been blocked in the lower end of swing arm; The tap water passage is blocked, even resume water supply, tap water can not pass through; The back user that avoided cutting off the water forgets and closes water tap, and the current when resuming water supply leak and cause the waste and the causality loss of tap water.
After tap water resumes water supply, when needs supply water, pull trigger piece counterclockwise; Trigger piece contacts with inclined-plane, water pressure rod upper end, and the water pressure rod moves downward, and crosses the water pressure rod up to trigger piece; The water pressure rod moves upward under the effect of hydraulic pressure, and trigger piece is blocked in its upper end, and at this moment the breach of swing arm lower end is just aimed at the flowing water through hole of dividing plate; Tap water is normally flowed out by the flowing water through hole again, in entire work process, does not have tap water to spill into to cut off the water the outside of safety lock valve.
The safety lock valve of cutting off the water of the present invention can be when tap water cut-off, and the user fetches boiling water and forgets behind the tap and close water tap and prevent that current from leaking when resuming water supply; Avoid causing the waste and the causality loss of tap water; Working stability is reliable, and arming does not have the outside that tap water spills into the safety lock valve of cutting off the water as the time spent; Simple in structure, use easy to operate.
Description of drawings
Fig. 1 is the figure structure schematic representation that cuts open of the embodiment of the invention.
Fig. 2 is the opening state plan structure schematic representation of the embodiment of the invention.
Fig. 3 is that the closed condition of the embodiment of the invention is cutd open figure structure schematic representation.
Fig. 4 is the closed condition plan structure schematic representation of the embodiment of the invention.
Fig. 5 is the structural representation of valve body.
Description of symbols among the figure: valve body 1, water pressure sensing device 2, moving bar gland 21, moving bar stage clip 22, water pressure rod 23, packing ring 24; Switch actuating device 3, swing arm gland 31, switch stage clip 32, swing arm 33, torsion spring 34, nut 35; Trigger piece 36, dividing plate 1.1, flowing water through hole 1.2, sensing hole screw thread 1.3, switch hole screw thread 1.4, middle stiffening rib 1.5; Termination stiffening rib 1.6, sensing hole sealing surface 1.7, switch sealing surface 1.8, feed-water end 1.9, waterexit end 1.10.
Embodiment
Combine accompanying drawing that the present invention is further specified through embodiment below.
Embodiment 1:
Referring to Fig. 1, the safety lock valve of cutting off the water of the present invention comprises valve body 1, water pressure sensing device 2 and switch actuating device 3.
Screw thread on the moving bar gland 21 of water pressure sensing device 2 is connected with the sensing hole screw thread 1.3 of valve body 1; The lower end axle cylindrical of the water pressure rod 23 of water pressure sensing device 2 contacts with the sensing hole sealing surface 1.7 of valve body 1; The screw thread of the swing arm gland 31 of switch actuating device 3 is connected with the switch hole screw thread 1.4 of valve body 1; The base plane of the swing arm 33 of switch actuating device 3 contacts with the switch sealing surface 1.8 of valve body 1; The arm of the trigger piece 36 of switch actuating device is blocked can not rotate the time by water pressure rod 23 upper ends; The swing arm gland 31 lower end breach of switch actuating device are just aimed at the flowing water through hole 1.2 on the dividing plate 1.1 of valve body, when the arm of the trigger piece 36 of switch actuating device becomes an angle of 90 degrees with the line of centers of water pressure rod 23 and swing arm 33, and the flowing water through hole 1.2 on the dividing plate 1.1 of swing arm gland 31 lower end closed valve bodies.
Referring to Fig. 5, valve body 1 is an ironcasting, and 1.9 mouthfuls of the feed-water ends of valve body 1 and 1.10 mouthfuls of places, waterexit end have screw thread respectively; Have dividing plate 1.1 between feed-water end 1.9 and the waterexit end 1.10, dividing plate 1.1 has flowing water through hole 1.2, and switch sealing surface 1.8 is arranged on the dividing plate 1.1; Valve body 1 feed-water end 1.9 has switch hole and sensing hole, the parallel axes of switch hole and sensing hole, and switch hole has internal thread; The sensing hole upper end has internal thread, lower end that sensing hole sealing surface 1.7 is arranged, and 1.7 processing of sensing hole sealing surface are bright and clean; Closely contact with water pressure rod 23 and do not seep water guaranteeing, sensing hole sealing surface 1.7 is processed smooth bright and clean, and termination stiffening rib 1.6 and middle stiffening rib 1.5 are arranged on the valve body 1.1.9 mouthfuls of screw threads with 1.10 mouthfuls of waterexit ends of feed-water end are respectively applied for the feed-water end 1.9 of tap water and are connected with waterexit end 1.10; Dividing plate 1.1 between feed-water end 1.9 and the waterexit end 1.10 separates water inlet and water outlet; Flowing water through hole 1.2 on the dividing plate 1.1 is passages of tap water; Can realize the open and close of tap water through opening or closing flowing water through hole 1.2; Switch hole and sensing hole are used to install switch actuating device 3 and water pressure sensing device 2, and it is spacing with trigger piece 36 that termination stiffening rib 1.6 on the valve body 1 and middle stiffening rib 1.5 are used to install torsion spring 34.
Referring to Fig. 1; Water pressure sensing device 2 comprises moving bar gland 21, moving bar stage clip 22, water pressure rod 23 and packing ring 24, and moving bar gland 21 has pore, and axis hole is worn in the centre; There is screw thread the outside; Water pressure rod 23 is the ladder oblique crank Z, and the upper shaft diameter of axle of water pressure rod 23 is little, the lower end axle diameter of axle is big, and an inclined-plane is arranged at water pressure rod 23 tops; The upper shaft of water pressure rod 23 passes the axis hole of wearing of moving bar gland 21, and moving bar stage clip 22 and packing ring 24 are housed between the large-diameter of the lower end axle of moving bar gland 21 and water pressure rod 23.Pore on the moving bar gland 21 is when water pressure rod 23 moves up and down, to discharge or the usefulness of suck air; In order to avoid formation high pressure or vacuum and hinder the motion of water pressure rod 23 between moving bar gland 21 and the water pressure rod 23; Packing ring 24 is a rubber sheet gasket, and its effect is that to make between bar gland 21 and the water pressure rod 23 sealing better and not make tap water seepage, the effect on inclined-plane, water pressure rod 23 top be when trigger piece 36 returns; The arm of trigger piece 36 inclined-plane contact therewith can produce downward active force water pressure rod 23 is moved downward; And cross water pressure rod 23 when trigger piece 36, and water pressure rod 23 moves upward under the effect of hydraulic pressure, and trigger piece 36 is blocked in its upper end.
Referring to Fig. 1, switch actuating device 3 comprises swing arm 33 glands 31, switch stage clip 32, swing arm 33, torsion spring 34, nut 35 and trigger piece 36, and is porose in the middle of swing arm 33 glands 31; There is screw thread the outside, and swing arm 33 is the ladder oblique crank Z, and there is screw thread the upper end; Middle end is the polished rod axle; The lower end has breach, and the hole in the middle of the swing arm gland 31 cooperates with the polished rod axle of swing arm 33 middle end, between swing arm 33 glands 31 and swing arm 33, switch stage clip 32 is arranged; Trigger piece 36 usefulness nuts 35 are fixed on the screw thread place, upper end of swing arm 33, between trigger piece 36 and swing arm gland 31, torsion spring 34 are installed.The effect of switch stage clip 32 be make the bottom of swing arm 33 all the time with dividing plate 1.1 on switch sealing surface 1.8 closely contact, make in off position not have the tap water seepage down.
There is hook at torsion spring 34 two ends, and its hook is hung on the arm of middle stiffening rib 1.5 and trigger piece 36 of valve body 1.The active force of torsion spring 34 plays spacing and the return effect to trigger piece 36, makes trigger piece 36 be in correct position all the time.
The safety lock valve of cutting off the water is installed in tap water user's feed-water end 1.9; At the normal water supply state, tap water has certain pressure, and the pressure of tap water makes 22 compressions of bar stage clip; Water pressure rod 23 is in packing ring 24 contact positions with its top; The arm (referring to Fig. 2) of trigger piece 36 is blocked in the upper end of water pressure rod 23, and at this moment the breach of swing arm 33 lower ends is just aimed at the flowing water through hole 1.2 of dividing plate 1.1, and tap water is normally flowed out by flowing water through hole 1.2.
When cutting off the water, the pressure of tap water diminishes, under the effect of moving bar stage clip 22; Water pressure rod 23 moves downward (referring to Fig. 3), and the upper end indentation of water pressure rod 23 at this moment and can not block the arm of trigger piece 36 is under the effect of torsion spring 34; Trigger piece 36 clockwise rotates up to the lower end of trigger piece 36 and is blocked by the termination stiffening rib 1.6 of valve body 1; At this moment trigger piece turns over 90 ° (referring to Fig. 4), and trigger piece 36 rotates and drives swing arm 33 rotations, and flowing water through hole 1.2 has just been blocked in the lower end of swing arm 33; The tap water passage is blocked; Even resume water supply, tap water can not pass through, and the back user that avoided cutting off the water forgets that the current when closing water tap resumes water supply leak and cause the waste and the causality loss of tap water.
After tap water resumes water supply, when needs supply water, pull trigger piece 36 counterclockwise; Trigger piece 36 contacts with inclined-plane, water pressure rod 23 upper end, and water pressure rod 23 moves downward, and crosses water pressure rod 23 up to trigger piece 36; Water pressure rod 23 moves upward under the effect of hydraulic pressure; Trigger piece 36 is blocked in its upper end, and at this moment the breach of swing arm 33 lower ends is just aimed at the flowing water through hole 1.2 of dividing plate 1.1, and tap water is normally flowed out by flowing water through hole 1.2 again.
In the safety lock valve entire work process of cutting off the water, there is not tap water to spill into to cut off the water the outside of safety lock valve.
The safety lock valve of cutting off the water of the present invention can be when tap water cut-off, and the user fetches boiling water and forgets behind the tap and close water tap and prevent that current from leaking when resuming water supply; Avoid causing the waste and the causality loss of tap water; Working stability is reliable, and arming does not have the outside that tap water spills into the safety lock valve of cutting off the water as the time spent; Simple in structure, use easy to operate.The safety lock valve of cutting off the water of invention is promoted the use of, and can accomplish using water wisely and water safety.
Claims (1)
1. the safety lock valve of cutting off the water is characterized in that: comprise valve body (1), water pressure sensing device (2) and switch actuating device (3); Screw thread on the moving bar gland (21) of water pressure sensing device is connected with the sensing hole screw thread (1.3) of valve body; The lower end axle cylindrical of the water pressure rod (23) of water pressure sensing device contacts with the sensing hole sealing surface (1.7) of valve body; The screw thread of the swing arm gland (31) of switch actuating device is connected with the switch hole screw thread (1.4) of valve body; Switch sealing surface (1.8) on the dividing plate (1.1) of the base plane of the swing arm of switch actuating device (33) and valve body contacts; When the arm of the trigger piece of switch actuating device (36) is blocked on the water pressure rod (23) and can not be rotated; Flowing water through hole (1.2) on the dividing plate (1.1) of the swing arm of switch actuating device (33) lower end breach and valve body is just aimed at; When the arm of the trigger piece of switch actuating device (36) becomes an angle of 90 degrees with the line of centers of water pressure rod (23) and swing arm (33), the flowing water through hole (1.2) on the dividing plate (1.1) of swing arm (33) lower end closed valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100610980A CN101498377B (en) | 2009-03-12 | 2009-03-12 | Safety lock valve for cut off the water supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100610980A CN101498377B (en) | 2009-03-12 | 2009-03-12 | Safety lock valve for cut off the water supply |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101498377A CN101498377A (en) | 2009-08-05 |
| CN101498377B true CN101498377B (en) | 2012-05-30 |
Family
ID=40945579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100610980A Expired - Fee Related CN101498377B (en) | 2009-03-12 | 2009-03-12 | Safety lock valve for cut off the water supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101498377B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307326A (en) * | 2012-03-07 | 2013-09-18 | 罗辉 | Pipelined gas safety valve |
| CN109027344A (en) * | 2018-10-24 | 2018-12-18 | 龙长贵 | A kind of valve that can be automatically closed |
-
2009
- 2009-03-12 CN CN2009100610980A patent/CN101498377B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101498377A (en) | 2009-08-05 |
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Granted publication date: 20120530 Termination date: 20150312 |
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