CN108468843A - A kind of leak stop - Google Patents

A kind of leak stop Download PDF

Info

Publication number
CN108468843A
CN108468843A CN201810255968.7A CN201810255968A CN108468843A CN 108468843 A CN108468843 A CN 108468843A CN 201810255968 A CN201810255968 A CN 201810255968A CN 108468843 A CN108468843 A CN 108468843A
Authority
CN
China
Prior art keywords
interface
service pipe
water service
valve rod
rocking arm
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
CN201810255968.7A
Other languages
Chinese (zh)
Other versions
CN108468843B (en
Inventor
佟勇华
王星照
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.)
According To Ningbo Hua Hua Environmental Protection Technology Co Ltd
Original Assignee
According To Ningbo Hua Hua Environmental Protection 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 According To Ningbo Hua Hua Environmental Protection Technology Co Ltd filed Critical According To Ningbo Hua Hua Environmental Protection Technology Co Ltd
Priority to CN201810255968.7A priority Critical patent/CN108468843B/en
Publication of CN108468843A publication Critical patent/CN108468843A/en
Application granted granted Critical
Publication of CN108468843B publication Critical patent/CN108468843B/en
Active 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
    • F16K17/00Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/36Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
    • 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
    • F16K31/001Actuating devices; Operating means; Releasing devices actuated by volume variations caused by an element soluble in a fluid or swelling in contact with a fluid
    • 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
    • F16K31/44Mechanical actuating means

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Details Of Valves (AREA)

Abstract

The present invention provides a kind of leak stops, belong to life appliance technical field.It, which solves existing leak stop, is influenced by expansion piece, disconnects the problems such as incomplete.This leak stop includes fixed seat, water service pipe is installed in fixed seat, water service pipe has interface one, interface two, valve rod is additionally provided in water service pipe, rocking arm is provided in fixed seat, linking arm, rocking arm is rotatablely connected with fixed seat, rocking arm is rotatablely connected with linking arm, linking arm is rotatablely connected with valve rod, length direction that can be by linking arm with ovable valve stem along water service pipe when rocking arm rotation slides, interface one is connected to interface two when valve rod is located remotely from the side of water service pipe, valve rod is to can block water service pipe when sliding into inside water service pipe and water service pipe is made to stop, it is provided with expansion piece in fixed seat and expansion piece is located at the lower section of rocking arm, expansion piece expansion and pushes rocking arm to be rotated up when absorbing moisture content, to drive valve rod to block water service pipe.The present invention has many advantages, such as that detection is sensitive, it is complete to disconnect.

Description

A kind of leak stop
Technical field
The invention belongs to life appliance technical field, more particularly to a kind of leak stop.
Background technology
The water consumption devices part such as equipment and electric appliance, water pipe, valve of paddling used in our life at present, except some are big The dedicated water system of type can need to be equipped with outside monitor control system according to its particular/special requirement, and general water system does not have water Flow monitoring and controlling function.Once leak occurs for these water consumption device parts, people are difficult to perceive, and thus not only cause great lot of water resources Waste, and it is easy to cause disastrous accident.Therefore, a kind of powerful, high degree of automation leak guarantor can be provided Protection unit makes it easy to use with the existing water consumption devices part such as electric appliance and electric appliance, water pipe, valve assembly of paddling, realizes water prison The function of control and protection.
In view of the above-mentioned problems, people devise leak protector, when for realizing electric appliance leak, stop to pipeline Or alarm is sent out, existing leak stop is directly connected to valve rod usually using expansion piece, and when leak, expansion piece water suction is swollen It is swollen, so that pipeline is stopped.But in this kind of leak stop, the stroke of valve rod is determined with the degrees of expansion according to expansion piece, expansion Piece expansion will lead to not be fully disconnected when insufficient, and there are security risks.
Invention content
The purpose of the present invention is being directed to the above-mentioned problems in the prior art, provide that a kind of detection is sensitive, has disconnected Entirely, the high leak stop of safety coefficient.
Object of the invention can be realized by the following technical scheme:A kind of leak stop, which is characterized in that including solid Reservation, is equipped with water service pipe in the fixed seat, and the water service pipe has interface one, an interface two, in the water service pipe It is additionally provided with valve rod, rocking arm, linking arm are additionally provided in the fixed seat, the company of rotation between the rocking arm and fixed seat It connects, is rotatablely connected between the rocking arm and linking arm, is rotatablely connected between the linking arm and valve rod, the rocking arm turns Length direction that can be by linking arm with ovable valve stem along water service pipe when dynamic slides, and the valve rod is located remotely from the side of water service pipe When interface one be connected to interface two, the valve rod to can block water service pipe when sliding into inside water service pipe and water service pipe is made to stop, It is provided with expansion piece in the fixed seat and expansion piece is located at the lower section of rocking arm, expansion is simultaneously when the expansion piece absorbs moisture content Rocking arm is pushed to be rotated up, to drive valve rod to block water service pipe.
The operation principle of the present invention:This leak stop is accessed in water pipe stage casing, flow flows through interface one and interface two, not When leak, valve rod is located remotely from the side of water service pipe, and interface one is connected to interface two and electric appliance is normally intake, when beginning leak When, the expansion piece in leak stop starts to absorb moisture content and expand, and rocking arm is jacked up upwards, linking arm is with rocker motion and band For ovable valve stem to water service pipe internal slide, valve rod is completely plugged by interface one so that and flow cannot be introduced into electric appliance, realize cutout, After seepy question solution, changes to new expansion piece and rocking arm, linking arm, valve rod is made to reset, electric appliance can normal operation.This Invention can in leak automatic cut out, prevent the waste of water resource, be also prevented from the generation of safety accident, and present invention uses shake Arm and arm in succession, can amplify the expansion effect of expansion piece, as long as expansion piece starts to expand, you can push valve rod that it is made substantially to transport Dynamic, by expansion piece dilation dimension, this unfixed numerical value is converted into the fixed stroke distances of valve rod, and valve rod is made not to be inflated piece The influence of dilation dimension and can completely plugged water service pipe, prevent from seeping water.
In above-mentioned leak stop, elasticity is provided with elastic component, the valve between the valve rod and fixed seat When bar is located remotely from the side of water service pipe, the elastic component is compressed and is given the elastic force that valve rod is directed toward water service pipe.
Technique effect:Since valve rod is at the side far from water service pipe, elastic component is in confined state and gives always Valve rod is directed toward the elastic force of water service pipe, therefore, rocking arm rotate it is smaller apart from when, valve rod is quickly to logical under the action of the elastic member Slideslip and interface one is blocked in water pipe.The setting makes leak stop induction sensitive, and expansion piece has smaller expansion Valve rod can be made to run fixed stroke in the case of amplitude, realize cutout, and the speed that stops is fast, good seal performance, Neng Gouji When prevent the waste of water resource and the generation of safety accident, safety coefficient is high.
In above-mentioned leak stop, the rocking arm is detachably connected with linking arm.
In above-mentioned leak stop, it is provided on the linking arm for shaking the card slot that wall end is caught in.
In above-mentioned leak stop, the interface one is parallel with the length direction of water service pipe with interface three, described Interface two it is vertical with the length direction of water service pipe, be rotatablely connected between the water service pipe and connecting seat, the water service pipe It can circumferentially rotate.
In above-mentioned leak stop, the interface one is for connecting outlet pipe, and the interface two is for connecting Water inlet pipe.
In above-mentioned leak stop, it is mounted on quick coupling on the interface one and interface two, described is fast There are several claws, the claw to be caught in interface one with interface two, the interface one has with interface two on quick coupling There are the skewback to lean with claw, the quick coupling to be used for the quick connection of water pipe.
In above-mentioned leak stop, it is provided with stress seat on the rocking arm, under non-leak state, the stress seat Lower surface be bonded completely with expansion piece.
In above-mentioned leak stop, mounting base is additionally provided in the fixed seat, the mounting base is for putting Set simultaneously fixed expansion piece.
In above-mentioned leak stop, waterproofing membrane is surrounded on the peripheral wall of the expansion piece.
In above-mentioned leak stop, storage seat is additionally provided in the fixed seat, the storage seat is for depositing Put spare expansion piece.
Compared with prior art, the present invention, which has, detects leak stop sensitive, that disconnection is complete, safety coefficient is high.
Description of the drawings
Fig. 1 is the non-leak status architecture schematic diagram of the present invention.
Fig. 2 is the leak status architecture schematic diagram of the present invention.
Fig. 3 is the cross-sectional view at water service pipe position of the present invention.
In figure, 1, fixed seat;2, water service pipe;3, interface one;4, interface two;6, valve rod;7, rocking arm;8, linking arm;9, pacify Fill seat;10, expansion piece;11, elastic component;12, card slot;13, quick coupling;14, claw;15, stress seat;16, seat is stored.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described, However, the present invention is not limited to these examples.
As shown in Figure 1, Figure 2, Figure 3 shows, this leak stop includes fixed seat 1, and water service pipe 2, water flowing are equipped in fixed seat 1 Pipe 2 has interface 1, interface 24, is additionally provided with valve rod 6 in water service pipe 2, rocking arm 7, linking arm 8 are additionally provided in fixed seat 1, It is rotatablely connected between rocking arm 7 and fixed seat 1, is rotatablely connected between rocking arm 7 and linking arm 8, rotated between linking arm 8 and valve rod 6 Connection, length direction that can be by linking arm 8 with ovable valve stem 6 along water service pipe 2 when rocking arm 7 rotates slide, and valve rod 6 is located remotely from logical Interface 1 is connected to interface 24 when the side of water pipe 2, and valve rod 6 makes water flowing to can block water service pipe 2 when sliding into inside water service pipe 2 Pipe 2 stops, and expansion piece 10 is provided in fixed seat 1 and expansion piece 10 is located at the lower section of rocking arm 7, energy when expansion piece 10 absorbs moisture content It expands and rocking arm 7 is pushed to be rotated up, to drive valve rod 6 to block water service pipe 2.
In order to make leak stop detect, sensitive, disconnection is complete, and elasticity is provided with elastic component between valve rod 6 and fixed seat 1 11, when valve rod 6 is located remotely from the side of water service pipe 2, elastic component 11 is compressed and is given the elastic force that valve rod 6 is directed toward water service pipe 2.
It further describes in detail, rocking arm 7 is detachably connected with linking arm 8, is provided on linking arm 8 for shaking the card that wall end is caught in Slot 12.When replacing expansion piece 10, the connection between rocking arm 7 and linking arm 8 is disconnected, expansion piece 10 is convenient for changing.
It further describes in detail, interface 1 is parallel with the length direction of water service pipe 2 with interface 35, interface 24 and water service pipe 2 Length direction is vertical, is rotatablely connected between water service pipe 2 and connecting seat, and water service pipe 2 can circumferentially rotate.The setting can be logical by rotating Water pipe 2 adjusts the direction of interface 24, facilitates connection, increases the scope of application of the present invention.
Preferably, interface 1 is for connecting outlet pipe, interface 24 is for connecting water inlet pipe.The setting can prevent hydraulic pressure It washes valve rod 6 when excessive open, prevents infiltration, leak.
It further describes in detail, quick coupling 13 is mounted on interface 1 and interface 24, is had in quick coupling 13 several Claw 14, claw 14 are caught in interface 1 and interface 24, interface 1 with it is oblique with leaning with claw 14 in interface 24 Block, quick coupling 13 are used for the quick connection of water pipe.Water pipe, which is inserted into quick coupling 13, completes connection, due to claw 14 and tiltedly Block leans, if direct pull water pipe, card pipe shrinks under the action of skewback and clamp water pipe inwardly, and anti-antipriming pipe falls off, When need to extract water pipe out, quick coupling 13 is pressed so that being fitted on interface 1 or interface 24, you can extraction water pipe.
It further describes in detail, is provided with stress seat 15 on rocking arm 7, under non-leak state, the lower surface of stress seat 15 and expansion Piece 10 is bonded completely.Since stress seat 15 is bonded completely with expansion piece 10, expansion piece 10 has subtle deformation also can be by stress seat 15 sense and pass to rocking arm 7, further improve the sensitivity of the present invention.
It is simple, secured in order to make expansion piece 10 install, mounting base 9 is additionally provided in fixed seat 1, mounting base 9 is for placing And fixed expansion piece 10.
It further describes in detail, waterproofing membrane is surrounded on the peripheral wall of expansion piece 10.Since the use environment of leak stop is past Toward moister, which can prevent expansion piece 10 from making moist expansion, the service life of increase expansion piece 10.In order to enable expansion piece 10 can smoothly expand, and scarfing is offered on waterproofing membrane.
It further describes in detail, storage seat 16 is additionally provided in fixed seat 1, storage seat 16 is for storing spare expansion piece 10. When replacing expansion piece 10, without new expansion piece 10 is looked round for, it is convenient for changing.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although fixed seat 1, water service pipe 2, interface 1, interface 24, valve rod 6, rocking arm 7, connection is used more herein The arts such as arm 8, mounting base 9, expansion piece 10, elastic component 11, card slot 12, quick coupling 13, claw 14, stress seat 15, storage seat 16 Language, but it does not preclude the possibility of using other terms.The use of these items is only for more easily describe and explain this The essence of invention;Any one of the additional limitations is construed as all to disagree with spirit of that invention.

Claims (10)

1. a kind of leak stop, which is characterized in that including fixed seat (1), the fixed seat is equipped with water service pipe on (1) (2), the water service pipe (2) has interface one (3), interface two (4), and valve rod (6) is additionally provided in the water service pipe (2), Rocking arm (7), linking arm (8) are additionally provided in the fixed seat (1), the company of rotation between the rocking arm (7) and fixed seat (1) It connects, is rotatablely connected between the rocking arm (7) and linking arm (8), is rotatablely connected between the linking arm (8) and valve rod (6), It can be described by linking arm (8) band ovable valve stem (6) along the length direction sliding of water service pipe (2) when described rocking arm (7) rotation Interface one (3) is connected to interface two (4) when valve rod (6) is located remotely from the side of water service pipe (2), and the valve rod (6) is to water flowing Water service pipe (2) can be blocked when being slid into inside pipe (2) and water service pipe (2) is made to stop, expansion piece is provided on the fixed seat (1) (10) and expansion piece (10) is located at the lower section of rocking arm (7), and expansion and rocking arm is pushed when the expansion piece (10) absorbs moisture content (7) it is rotated up, to drive valve rod (6) to block water service pipe (2).
2. a kind of leak stop according to claim 1, which is characterized in that the valve rod (6) and fixed seat (1) it Between elasticity be provided with elastic component (11), when the valve rod (6) is located remotely from the side of water service pipe (2), the elastic component (11) compressed and given the elastic force that valve rod (6) is directed toward water service pipe (2).
3. a kind of leak stop according to claim 1, which is characterized in that the rocking arm (7) can with linking arm (8) Dismantling connection is provided on the linking arm (8) for shaking the card slot (12) that wall end is caught in.
4. a kind of leak stop according to claim 1, which is characterized in that the interface one (3) and interface three with The length direction of water service pipe (2) is parallel, the interface two (4) water service pipe vertical, described with the length direction of water service pipe (2) (2) it is rotatablely connected between connecting seat, the water service pipe (2) can circumferentially rotate.
5. a kind of leak stop according to claim 1, which is characterized in that the interface one (3) is for connecting out Water pipe, the interface two (4) is for connecting water inlet pipe.
6. a kind of leak stop according to claim 1, which is characterized in that the interface one (3) and interface two (4) On be mounted on quick coupling (13), there is several claws (14), the claw (14) card in the quick coupling (13) In incoming interface one (3) and interface two (4), the interface one (3) with it is oblique with leaning with claw (14) in interface two (4) Block, the quick coupling (13) are used for the quick connection of water pipe.
7. a kind of leak stop according to claim 1, which is characterized in that be provided with stress on the rocking arm (7) Seat (15), under non-leak state, the lower surface of the stress seat (15) is bonded completely with expansion piece (10).
8. a kind of leak stop according to claim 1, which is characterized in that be additionally provided in the fixed seat (1) Mounting base (9), the mounting base (9) is for placing simultaneously fixed expansion piece (10).
9. a kind of leak stop according to claim 1, which is characterized in that surround on the peripheral wall of the expansion piece (10) There is waterproofing membrane.
10. a kind of leak stop according to claim 1, which is characterized in that be additionally provided in the fixed seat (1) Seat (16) is stored, the storage seat (16) is for storing spare expansion piece (10).
CN201810255968.7A 2018-03-27 2018-03-27 Water leakage protector Active CN108468843B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810255968.7A CN108468843B (en) 2018-03-27 2018-03-27 Water leakage protector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810255968.7A CN108468843B (en) 2018-03-27 2018-03-27 Water leakage protector

Publications (2)

Publication Number Publication Date
CN108468843A true CN108468843A (en) 2018-08-31
CN108468843B CN108468843B (en) 2023-11-10

Family

ID=63264830

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810255968.7A Active CN108468843B (en) 2018-03-27 2018-03-27 Water leakage protector

Country Status (1)

Country Link
CN (1) CN108468843B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111779864A (en) * 2020-07-18 2020-10-16 台州半城暖通科技有限公司 Water leakage protection valve
US11808261B2 (en) 2018-10-19 2023-11-07 Gree Electric Appliances, Inc. Of Zhuhai Variable capacity compressor operation mode determination method and device, variable capacity compressor, and air conditioner

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980014419A (en) * 1996-08-07 1998-05-25 박선만 Automatic safety valve
JP2003096868A (en) * 2001-09-26 2003-04-03 Toto Ltd Valve device
CN202733077U (en) * 2012-06-08 2013-02-13 西安万泰燃气设备有限公司 Security type gas pressure regulator
CN203823077U (en) * 2013-06-04 2014-09-10 全莹国际股份有限公司 Leak-proof device of water purifier
CN203940067U (en) * 2014-06-24 2014-11-12 海洁企业股份有限公司 Detection breaking arrangement leaks
CN204083392U (en) * 2014-07-07 2015-01-07 上海欣玖环保科技有限公司 A kind of mechanical water leakage detects and means for protecting power device when water-break
CN104500829A (en) * 2014-11-28 2015-04-08 东莞市友胜电子有限公司 Water leakage preventing switch
KR20160017454A (en) * 2014-08-06 2016-02-16 정하익 An apparatus for shutting off water leakage
CN205745512U (en) * 2016-05-12 2016-11-30 博斯克勒(厦门)贸易有限公司 One is cut off the water supply relief valve
CN206401233U (en) * 2016-12-23 2017-08-11 凡事康流体科技股份有限公司 The leak power-off protector of purifier
CN208331365U (en) * 2018-03-27 2019-01-04 宁波照华环保科技有限公司 A kind of leak stop

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980014419A (en) * 1996-08-07 1998-05-25 박선만 Automatic safety valve
JP2003096868A (en) * 2001-09-26 2003-04-03 Toto Ltd Valve device
CN202733077U (en) * 2012-06-08 2013-02-13 西安万泰燃气设备有限公司 Security type gas pressure regulator
CN203823077U (en) * 2013-06-04 2014-09-10 全莹国际股份有限公司 Leak-proof device of water purifier
CN203940067U (en) * 2014-06-24 2014-11-12 海洁企业股份有限公司 Detection breaking arrangement leaks
CN204083392U (en) * 2014-07-07 2015-01-07 上海欣玖环保科技有限公司 A kind of mechanical water leakage detects and means for protecting power device when water-break
KR20160017454A (en) * 2014-08-06 2016-02-16 정하익 An apparatus for shutting off water leakage
CN104500829A (en) * 2014-11-28 2015-04-08 东莞市友胜电子有限公司 Water leakage preventing switch
CN205745512U (en) * 2016-05-12 2016-11-30 博斯克勒(厦门)贸易有限公司 One is cut off the water supply relief valve
CN206401233U (en) * 2016-12-23 2017-08-11 凡事康流体科技股份有限公司 The leak power-off protector of purifier
CN208331365U (en) * 2018-03-27 2019-01-04 宁波照华环保科技有限公司 A kind of leak stop

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11808261B2 (en) 2018-10-19 2023-11-07 Gree Electric Appliances, Inc. Of Zhuhai Variable capacity compressor operation mode determination method and device, variable capacity compressor, and air conditioner
CN111779864A (en) * 2020-07-18 2020-10-16 台州半城暖通科技有限公司 Water leakage protection valve

Also Published As

Publication number Publication date
CN108468843B (en) 2023-11-10

Similar Documents

Publication Publication Date Title
CN108468843A (en) A kind of leak stop
CN201058424Y (en) On-line altering device of ultrasonic transducer
CN208331365U (en) A kind of leak stop
MX2019010866A (en) Air filter system, air filter element for use in same, and method for servicing same.
CN213839633U (en) Safety valve with gas leakage detection function
CN203880836U (en) Floor heating system leakage alarming device
CN204739310U (en) Photoelectricity fluid sensor and have water pump of this sensor
CN111022690B (en) BIM engineering terminal warm accuse valve
CN201875333U (en) Slave and master quick joint
CN202789655U (en) Automatic exhaust device
CN204556193U (en) A kind of woven hose inwall pick-up unit
CN104109966A (en) Door lock structure and door locking method
CN210221374U (en) Pressure sensing device
CN207093032U (en) Constant pressure air release valve
CN221035248U (en) Urban gas pipe network remote detection device
CN111288171A (en) Safety system for preventing gas leakage and explosion
CN104847960A (en) Photoelectric liquid sensor and water pump with same
CN110886866B (en) Assembling and debugging method for BIM engineering terminal valve
CN206546034U (en) A kind of electric heater security protection system and a kind of electric heater
CN203979526U (en) Axial flow type check valve
CN206338214U (en) A kind of water pump flows backwards detection means
CN204387429U (en) Pipeline gas self closing stop valve
CN207715264U (en) A kind of electric fuel punp bracket assembly
CN217401753U (en) Backflow-preventing magnetic double-control anti-theft ball valve
CN221097837U (en) Pipeline blocking device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant