CN104696584A - Input water automatic promoting device based on buoyancy force control - Google Patents

Input water automatic promoting device based on buoyancy force control Download PDF

Info

Publication number
CN104696584A
CN104696584A CN201510123765.9A CN201510123765A CN104696584A CN 104696584 A CN104696584 A CN 104696584A CN 201510123765 A CN201510123765 A CN 201510123765A CN 104696584 A CN104696584 A CN 104696584A
Authority
CN
China
Prior art keywords
water
pipeline
float
shutoff plate
water delivery
Prior art date
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.)
Granted
Application number
CN201510123765.9A
Other languages
Chinese (zh)
Other versions
CN104696584B (en
Inventor
何桂清
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201510123765.9A priority Critical patent/CN104696584B/en
Publication of CN104696584A publication Critical patent/CN104696584A/en
Application granted granted Critical
Publication of CN104696584B publication Critical patent/CN104696584B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0025Electrical or magnetic means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K21/00Fluid-delivery valves, e.g. self-closing valves
    • F16K21/04Self-closing valves, i.e. closing automatically after operation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/12Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/18Actuating devices; Operating means; Releasing devices actuated by fluid actuated by a float

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

The invention discloses an input water automatic promoting device based on buoyancy force control. Two sections of water input pipelines are communicated by a connector, and the connector is provided with a water inlet and a water outlet. A bypass pipeline is arranged between the connector and a water conveying rear pipeline; a bypass valve is arranged on the bypass pipeline. A rotatable water sealing plate with a floater is arranged in the connector by a rotary pin; the water sealing plate is at a horizontal floating state due to buoyancy force; under a water stopping state, the water sealing plate is at a vertical state and is used for sealing the water outlet of the connector. A normally open pressure switch is arranged in the connector or a water conveying front pipeline; the water conveying rear pipeline is internally provided with a normally closed pressure switch; the normally closed pressure switch and a normally open pressure switch are connected into an alarming circuit. The input water automatic promoting device is mounted on a water pipe; when water is normally supplied and the passing of the water is not influenced, a water pipe is automatically closed after the water is stopped, and the water waste caused by the fact that a water faucet is not turned off is avoided, and an alarm prompt is automatically sent after the water is input.

Description

Based on the water automatic prompting device of buoyancy control
Technical field
The present invention relates to the automatic prompting device of water again after cutting off the water, this device, except water prompting, automatically can also be closed total water inlet in order to avoid water tap unlatching is forgotten to close and waste water resource and water logging house etc., belong to electronic alarm technique field after water pipe is cut off the water.
Background technique
In daily life, usually can cutting off the water in the face of various situation.Can bring a lot of inconvenience to everybody daily life after cutting off the water, so often all wish that the very first time knows next water, the common way of people is opened by certain water tap, if hear that namely current sound show water.Sound is conveniently listened to distinguish water, water tap again can not Kai get Tai little, even if otherwise water is also not easy to hear sound, thus water tap is often opened larger, again or family member also have guest want with water with regard to open water tap, forget because not having water to turn off the tap, sleep is rear or forget after going out that the situation of closed tap exists often, if just in time in this period water, will cause the waste of water, serious also may soak room floor furniture, even brings disaster to resident family downstairs.
Summary of the invention
For prior art above shortcomings, the object of the present invention is to provide a kind of water automatic prompting device, water automatic prompting device of the present invention is installed on water pipe, passing through of water is not affected during normal water supply, causing the waste of water after automatic closing water pipe being avoided water after cutting off the water because of forgetting to turn off the tap, after water, then automatically sending alarm.
In order to achieve the above object, the present invention is achieved through the following technical solutions:
Based on the water automatic prompting device of buoyancy control, comprise the aqueduct of two sections of levels, flow through sequencing according to water, these two sections of aqueducts are divided into pipeline after water delivery preceding pipeline and water delivery, connecting head by tubulose between two sections of aqueducts is communicated with, and connecting head has water intake and water outlet; After connecting head and water delivery, be provided with by-pass line between pipeline, by-pass line is provided with the bypass valve for by-pass line is disconnected or connected;
In connecting head, be provided with the water shutoff plate of rotating band float by shipping and reselling on another market, under normal water flowing state, water shutoff plate is in horizontal floading condition because of float buoyancy; Under state of cutting off the water, water shutoff plate is automatically in vertical state because of loss of buoyance under self gravitation, and the water outlet of connecting head is just in time closed by the water shutoff plate being in vertical state;
Be provided with in connecting head or water delivery preceding pipeline and often open pressure switch, after water delivery, be provided with normally closed pressure switch in pipeline, normally closed pressure switch and Chang Kai pressure switch by wire access with in the loop of power supply and warning device.
Further, described connecting head two ends are provided with attaching nut, are fixedly connected with after connecting head two ends and water delivery preceding pipeline and water delivery, pipeline is corresponding respectively by attaching nut.
Float on described water shutoff plate is positioned at water shutoff plate wherein one side, and be provided with seal ring at water shutoff plate another side, under water shutoff plate is in vertical state, float is just to water.
The present invention is based on water automatic prompting device the second structure of buoyancy control, comprise the aqueduct that two sections of vertical and center lines stagger, sequencing is flow through according to water, these two sections of aqueducts are divided into pipeline after water delivery preceding pipeline and water delivery, it is characterized in that, to be connected with pipeline upper end after water delivery after the bending of water delivery preceding pipeline lower end and to communicate, after water delivery, pipeline upper end is provided with it integrally and the float cavity communicated, and after water delivery, pipeline and float cavity are located along the same line; Behind float cavity upper end and water delivery, be provided with by-pass line between pipeline, by-pass line is provided with the bypass valve for by-pass line is disconnected or connected;
In float cavity, be provided with the water sealing mechanism be made up of float and water shutoff plate, float and water shutoff plate link together, and under normal water flowing state, water shutoff plate is in state of suspension because of float buoyancy, and after water delivery, the water intake of pipeline upper end is opened; Under state of cutting off the water, water shutoff plate fall under self gravitation and automatic by water delivery after the water intake of pipeline upper end close;
Be provided with in float cavity or in water delivery preceding pipeline and often open pressure switch, after water delivery, be provided with normally closed pressure switch in pipeline, normally closed pressure switch and Chang Kai pressure switch by wire access with in the loop of power supply and warning device.
In float cavity, be provided with vertical guide rod, described float and water shutoff sleeve-board are at guide rod, and float and water shutoff plate are linked together by line.In float cavity, be provided with vertical guide rod, on the guide bar, float and water shutoff plate are linked together by line described float cover, and water shutoff plate freely dangles; Water shutoff plate is the frustum cone structure put upside down, and after water delivery, the water intake of pipeline upper end is corresponding bell-mouth structure of air, and water shutoff plate circumferential surface is provided with seal ring.
Water automatic prompting device of the present invention is installed in water pipe, and during normal water supply, float drives water shutoff plate to be in open mode because of buoyancy, and water can be normal through.After cutting off the water, float buoyancy disappears, and water shutoff plate is in closed condition, automatic closing water pipe, because forget turn off the tap and cause the waste of water and bring other consequence after avoiding water.If water again after cutting off the water, because bypass valve cuts out, so there is water in water delivery preceding pipeline, then do not have water in pipeline after water delivery, now two pressure switches are all in on-state, and alarm circuit is connected, this device sends alarm automatically, user by alarm the very first time learn water.Now user needs the bypass valve opened on this device, make the hydraulic balance of water shutoff plate both sides on the one hand, float is because buoyancy drives water shutoff plate in an open position, close on the other hand warnings and (have water because of after now water delivery preceding pipeline and water delivery in pipeline, pressure switch after water delivery in pipeline is closed, so alarm circuit disconnects), be in normal water supply pattern, now close bypass valve again, this timer is in again next wait alert status.
Accompanying drawing explanation
Fig. 1-embodiment of the present invention one structural representation.
Fig. 2-embodiment of the present invention two structural representation.
Embodiment
Below in conjunction with accompanying drawing, further detailed description is done to the present invention.
See Fig. 1, upper as can be seen from figure, the present invention is based on the water automatic prompting device of buoyancy control, comprise the aqueduct of two sections of levels, sequencing is flow through according to water, be communicated with by the connecting head 3 of tubulose between pipeline 2, two sections of aqueducts after these two sections of aqueducts are divided into water delivery preceding pipeline 1 and water delivery, connecting head 3 has water intake 9 and water outlet 8.After connecting head 3 and water delivery, be provided with by-pass line 4 between pipeline 2, by-pass line 4 is provided with the bypass valve 5 for by-pass line is disconnected or connected.
Be provided with the water shutoff plate 7 of rotating band float 6 by shipping and reselling on another market in connecting head 3, under normal water flowing state, water shutoff plate 7 is in horizontal floading condition because of float buoyancy, and the water intake of the water shutoff plate and by-pass line that are in horizontal floading condition staggers certain distance, makes water shutoff plate not stop the water intake of by-pass line.Under state of cutting off the water, water shutoff plate 7 is automatically in vertical state because of loss of buoyance under self gravitation, and the water outlet 8 of connecting head is just in time closed by the water shutoff plate 7 being in vertical state, thus whole water transport channel is disconnected.In order to ensure sealing effect, on described water shutoff plate 7, wherein one side is provided with seal ring 12, and seal ring 12 is towards water outlet, and float 6 is positioned at water shutoff plate 7 another side, and under water shutoff plate 7 is in vertical state, float is just to water.
Do not damage by water hammer to protect float; just a float receiving cavity is provided with to the float position being in level because of buoyancy at connecting head inwall upper surface; this float receiving cavity is less than water shutoff board size and is greater than float size; namely float can enter and water shutoff plate can not enter; both rotation angle restriction had been carried out to water shutoff plate; water shutoff plate is the float as cover for protecting again, avoids float to damage because of water hammer.
Be provided with in connecting head or water delivery preceding pipeline and often open pressure switch and (have hydraulic pressure, switch connection; Without hydraulic pressure, switch disconnects), after water delivery, being provided with normally closed pressure switch in pipeline, (have hydraulic pressure, switch disconnects; Without hydraulic pressure, switch connection), normally closed pressure switch and Chang Kai pressure switch by the wire access that passes pipeline with in the alarm circuit of power supply and warning device.
Be connected with water pipe for convenience of connecting head, described connecting head two ends are provided with attaching nut, are fixedly connected with after connecting head two ends and water delivery preceding pipeline and water delivery, pipeline is corresponding respectively by attaching nut.
The structure of Fig. 1 is applicable to level and installs, and is namely installed on family's main water supply pipe horizontal segment, has both been applicable to new house and has completely newly installed this device, is also applicable to reequiping existing house.
Vertically install to facilitate, the present invention proposes the water automatic prompting device the second implementation structure based on buoyancy control, see Fig. 2, it comprises the aqueduct that two sections of vertical and center lines stagger, sequencing is flow through according to water, these two sections of aqueducts are divided into pipeline 2 after water delivery preceding pipeline 1 and water delivery, are wherein connected with pipeline after water delivery 2 upper end after the bending of water delivery preceding pipeline 1 lower end and communicate.After water delivery, pipeline 2 upper end is provided with one and the float cavity 10 communicated with it, and after water delivery, pipeline 2 and float cavity 10 are located along the same line.Behind float cavity 10 upper end and water delivery, be provided with by-pass line 4 between pipeline 2, by-pass line 4 is provided with the bypass valve 5 for by-pass line is disconnected or connected.
In float cavity 10, be provided with the water sealing mechanism be made up of float 6 and water shutoff plate 7, float 6 and water shutoff plate 7 link together, and under normal water flowing state, water shutoff plate 7 is in state of suspension because of float buoyancy, and after water delivery, the water intake of pipeline upper end is opened; Under state of cutting off the water, water shutoff plate fall under self gravitation and automatic by water delivery after the water intake of pipeline upper end close, namely can control the opening and closing of water shutoff plate to water intake by buoyancy.
Be provided with in float cavity or in water delivery preceding pipeline and often open pressure switch, normally closed pressure switch is provided with in pipeline after water delivery, normally closed pressure switch and Chang Kai pressure switch are by wire access with in the alarm circuit of power supply and warning device, and this warning circuit principle is identical with the first structure.
In order to improve the reliability of work, prevent the water intake of pipeline upper end after water shutoff plate and water delivery can not be just right very well, cause sealing not tight, the present invention is provided with vertical guide rod 11 in float cavity 10, described float 6 is enclosed within guide rod 11, float 6 and water shutoff plate 7 are linked together by line, and water shutoff plate 7 freely dangles.The frustum cone structure of water shutoff plate 7 for putting upside down, after water delivery, the water intake of pipeline upper end is corresponding bell-mouth structure of air, and water shutoff plate 7 circumferential surface is provided with seal ring 12.Guide rod upper end is provided with spacing head, and float can not be thrown off from guide rod because of spacing head.Spacing head can be the support body fixing with float cavity inwall, and water can be flow through by the hole on support body.
This device working principle following (at ordinary times, bypass valve is in closed condition):
One, when normal water supply, all have hydraulic pressure everywhere in body, float is because buoyancy drives water shutoff plate to be in open mode, and water normal through this device, can realize normal water supply.Meanwhile, because all have hydraulic pressure in pipeline in water delivery preceding pipeline and after water delivery, the normally closed pressure switch after water delivery in pipeline disconnects, and alarm circuit disconnects, and can not report to the police.
Two, when cutting off the water, everywhere without hydraulic pressure in body, float loss of buoyance, water shutoff plate is in closed condition, is equivalent to one switch and closes this device, simultaneously because bypass valve is in closed condition, so pipeline is totally in closed condition.Meanwhile because in water delivery preceding pipeline and after water delivery in pipeline all without hydraulic pressure, often open pressure switch disconnection in water delivery preceding pipeline, alarm circuit disconnection, can not report to the police.
Three, when cut off the water again water time, because bypass valve is in closed condition, bypass disconnect, water shutoff plate be also now close, now have water in water delivery preceding pipeline, there is hydraulic pressure, in water delivery preceding pipeline often open pressure switch connect; Anhydrous in pipeline after water delivery, do not have hydraulic pressure, the normally closed pressure switch after water delivery in pipeline is also connected; Namely two pressure switches are all connected, and alarm circuit is connected, and sends alarm.User by alarm the very first time learn water.Now user needs the bypass valve opened on this device, make the hydraulic balance of water shutoff plate both sides on the one hand, float is because buoyancy drives water shutoff plate in an open position, water can flow through, and closes on the other hand warnings (because have water, the pressure switch disconnection after water delivery in pipeline in pipeline after now water delivery preceding pipeline and water delivery, so alarm circuit disconnects), be in normal water supply pattern, now close bypass valve again, this timer is in again next wait alert status.Therefore, bypass valve was opened in the very short time only after water, just closed after releasing is reported to the police and water can pass through at once.
The above embodiment of the present invention is only for example of the present invention is described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, other multi-form change and variations can also be made on the basis of the above description.Here cannot give exhaustive to all mode of executions.Every belong to technological scheme of the present invention the apparent change of amplifying out or variation be still in the row of protection scope of the present invention.

Claims (5)

1. based on the water automatic prompting device of buoyancy control, comprise the aqueduct of two sections of levels, sequencing is flow through according to water, these two sections of aqueducts are divided into pipeline after water delivery preceding pipeline and water delivery, it is characterized in that, connecting head by tubulose between two sections of aqueducts is communicated with, and connecting head has water intake and water outlet; After connecting head and water delivery, be provided with by-pass line between pipeline, by-pass line is provided with the bypass valve for by-pass line is disconnected or connected;
In connecting head, be provided with the water shutoff plate of rotating band float by shipping and reselling on another market, under normal water flowing state, water shutoff plate is in horizontal floading condition because of float buoyancy; Under state of cutting off the water, water shutoff plate is automatically in vertical state because of loss of buoyance under self gravitation, and the water outlet of connecting head is just in time closed by the water shutoff plate being in vertical state;
Be provided with in connecting head or water delivery preceding pipeline and often open pressure switch, after water delivery, be provided with normally closed pressure switch in pipeline, normally closed pressure switch and Chang Kai pressure switch by wire access with in the loop of power supply and warning device.
2. the water automatic prompting device based on buoyancy control according to claim 1, is characterized in that: described connecting head two ends are provided with attaching nut, is fixedly connected with after connecting head two ends and water delivery preceding pipeline and water delivery, pipeline is corresponding respectively by attaching nut.
3. the water automatic prompting device based on buoyancy control according to claim 1, it is characterized in that: the float on described water shutoff plate is positioned at water shutoff plate wherein one side, be provided with seal ring at water shutoff plate another side, under water shutoff plate is in vertical state, float is just to water.
4. based on the water automatic prompting device of buoyancy control, comprise the aqueduct that two sections of vertical and center lines stagger, sequencing is flow through according to water, these two sections of aqueducts are divided into pipeline after water delivery preceding pipeline and water delivery, it is characterized in that, to be connected with pipeline upper end after water delivery after the bending of water delivery preceding pipeline lower end and to communicate, after water delivery, pipeline upper end is provided with it integrally and the float cavity communicated, and after water delivery, pipeline and float cavity are located along the same line; Behind float cavity upper end and water delivery, be provided with by-pass line between pipeline, by-pass line is provided with the bypass valve for by-pass line is disconnected or connected;
In float cavity, be provided with the water sealing mechanism be made up of float and water shutoff plate, float and water shutoff plate link together, and under normal water flowing state, water shutoff plate is in state of suspension because of float buoyancy, and after water delivery, the water intake of pipeline upper end is opened; Under state of cutting off the water, water shutoff plate fall under self gravitation and automatic by water delivery after the water intake of pipeline upper end close;
Be provided with in float cavity or in water delivery preceding pipeline and often open pressure switch, after water delivery, be provided with normally closed pressure switch in pipeline, normally closed pressure switch and Chang Kai pressure switch by wire access with in the loop of power supply and warning device.
5. the water automatic prompting device based on buoyancy control according to claim 4, is characterized in that: in float cavity, be provided with vertical guide rod, and described float and water shutoff sleeve-board are at guide rod, and float and water shutoff plate are linked together by line;
In float cavity, be provided with vertical guide rod, on the guide bar, float and water shutoff plate are linked together by line described float cover, and water shutoff plate freely dangles; Water shutoff plate is the frustum cone structure put upside down, and after water delivery, the water intake of pipeline upper end is corresponding bell-mouth structure of air, and water shutoff plate circumferential surface is provided with seal ring.
CN201510123765.9A 2015-03-20 2015-03-20 Water automatic prompting device based on buoyancy control Expired - Fee Related CN104696584B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510123765.9A CN104696584B (en) 2015-03-20 2015-03-20 Water automatic prompting device based on buoyancy control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510123765.9A CN104696584B (en) 2015-03-20 2015-03-20 Water automatic prompting device based on buoyancy control

Publications (2)

Publication Number Publication Date
CN104696584A true CN104696584A (en) 2015-06-10
CN104696584B CN104696584B (en) 2017-09-15

Family

ID=53343989

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510123765.9A Expired - Fee Related CN104696584B (en) 2015-03-20 2015-03-20 Water automatic prompting device based on buoyancy control

Country Status (1)

Country Link
CN (1) CN104696584B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105443855A (en) * 2016-01-25 2016-03-30 苏州巨瀚阀门有限公司 Pressure alarming valve for common drinking water pipeline
CN108533844A (en) * 2018-04-25 2018-09-14 吉林建筑大学 Water supply tube assembly
CN111054267A (en) * 2019-12-27 2020-04-24 广州建盛建材有限公司 Utilize phenol-formaldehyde resin waste water preparation concrete water-reducing agent device

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86207694U (en) * 1986-09-27 1987-09-02 沈阳市小型阀门厂 Self-closing tape on no water supply
US5313979A (en) * 1993-04-20 1994-05-24 Wang Wen Chang Fountain faucet
CN2283090Y (en) * 1997-02-22 1998-06-03 鲁红 Alarm device for tap-water
CN2568888Y (en) * 2002-09-13 2003-08-27 李婧 Safety running water valve
CN2663534Y (en) * 2003-12-09 2004-12-15 彭建 Alarm and protector for water break
CN2823730Y (en) * 2005-01-17 2006-10-04 贺传政 Water stop self-closing device
CN101818823A (en) * 2009-11-09 2010-09-01 四川省邻水县第二中学 Tap water cut-off leakage-proof protection valve device
CN201925577U (en) * 2011-01-20 2011-08-10 张新林 Water cut-off automatic protection valve
CN204477474U (en) * 2015-03-20 2015-07-15 何桂清 A kind of water automatic prompting device based on buoyancy control

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86207694U (en) * 1986-09-27 1987-09-02 沈阳市小型阀门厂 Self-closing tape on no water supply
US5313979A (en) * 1993-04-20 1994-05-24 Wang Wen Chang Fountain faucet
CN2283090Y (en) * 1997-02-22 1998-06-03 鲁红 Alarm device for tap-water
CN2568888Y (en) * 2002-09-13 2003-08-27 李婧 Safety running water valve
CN2663534Y (en) * 2003-12-09 2004-12-15 彭建 Alarm and protector for water break
CN2823730Y (en) * 2005-01-17 2006-10-04 贺传政 Water stop self-closing device
CN101818823A (en) * 2009-11-09 2010-09-01 四川省邻水县第二中学 Tap water cut-off leakage-proof protection valve device
CN201925577U (en) * 2011-01-20 2011-08-10 张新林 Water cut-off automatic protection valve
CN204477474U (en) * 2015-03-20 2015-07-15 何桂清 A kind of water automatic prompting device based on buoyancy control

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105443855A (en) * 2016-01-25 2016-03-30 苏州巨瀚阀门有限公司 Pressure alarming valve for common drinking water pipeline
CN105443855B (en) * 2016-01-25 2018-02-23 苏州巨瀚阀门有限公司 A kind of public drinking water pipeline pressure alarm valve
CN108533844A (en) * 2018-04-25 2018-09-14 吉林建筑大学 Water supply tube assembly
CN108533844B (en) * 2018-04-25 2020-04-28 吉林建筑大学 Water supply pipe assembly
CN111054267A (en) * 2019-12-27 2020-04-24 广州建盛建材有限公司 Utilize phenol-formaldehyde resin waste water preparation concrete water-reducing agent device

Also Published As

Publication number Publication date
CN104696584B (en) 2017-09-15

Similar Documents

Publication Publication Date Title
CN202547892U (en) Device for detecting pipeline water leakage
CN208511760U (en) A kind of fire-fighting extinction by automatic sprinkling system
CN104696584A (en) Input water automatic promoting device based on buoyancy force control
CN211659138U (en) Simple and easy high-efficient fire extinguishing systems of intelligent detection
CN206110247U (en) Fire control cistern automatic water supply monitoring device
CN202708263U (en) Water leakage prevention automatic cutoff valve
CN205048037U (en) Explosion stack connects
CN204477474U (en) A kind of water automatic prompting device based on buoyancy control
JP4912827B2 (en) Fire extinguishing equipment
CN206257456U (en) A kind of home-use pipeline water flow amount monitoring device
JP2010233894A (en) Sprinkler fire extinguishing equipment
CN203703627U (en) Novel water leakage protection device
CN102252116A (en) Diaphragm-inbuilt type low-resistance backflow preventer
CN207408761U (en) Domestic construction intelligent waterproof controller
CN201156183Y (en) Full-automatic water leak alarming protection apparatus
CN201351746Y (en) Diaphragm gas meter one-way waterproof valve
CN204875958U (en) Running water protection device that leaks
CN204456284U (en) The antifreeze automatic drain system of industrial process waters low temperature
CN209989111U (en) Water treatment facilities with broken siphon structure
CN108561600B (en) Alarm valve assembly
CN203470427U (en) Spraying and eye washing system for second class chemical tanker
CN110332341A (en) A kind of backflow preventer
CN205886028U (en) Frostproofing fire extinguishing system of intelligence
CN204307257U (en) A kind of Soft Starting System alleviating fire protection pipeline right angle and impact
CN205244527U (en) Fire control wet -type alarm valve system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170915

Termination date: 20190320