CN105422924B - A kind of one-way conduction fluid sensor - Google Patents
A kind of one-way conduction fluid sensor Download PDFInfo
- Publication number
- CN105422924B CN105422924B CN201511016937.9A CN201511016937A CN105422924B CN 105422924 B CN105422924 B CN 105422924B CN 201511016937 A CN201511016937 A CN 201511016937A CN 105422924 B CN105422924 B CN 105422924B
- Authority
- CN
- China
- Prior art keywords
- shell
- gag lever
- lever post
- spool
- wall
- 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.)
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- 239000012530 fluid Substances 0.000 title claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 239000011521 glass Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 239000012945 sealing adhesive Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 4
- 238000005192 partition Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring
-
- 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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
- F16K27/0209—Check valves or pivoted valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Abstract
The invention belongs to sensor technical fields, it is related to a kind of one-way conduction fluid sensor, valve seat is provided on the inner wall of shell one end with fluid channel, it is provided on valve seat and is inlaid with magnetic patch and control forward conduction, the spool reversely ended, the tail portion of spool is provided with gag lever post, the tail end of gag lever post is directed toward the other end of shell, the limit spring seat with fluid through-hole is provided on the inner wall of the other end of shell, the side of reset spring is socketed on gag lever post, other side apical grafting is on limit spring seat, it is provided on the outer wall of shell when spool opens or closes by the magnetic switch of the magnetic force open/close of magnetic patch, advantage is: structure is simple, low cost, fluid resistance is small, good airproof performance, long service life, service performance is stablized, suitable for making the sensor of high pressure or super-pressure and control one-way flow fluid.
Description
Technical field
The invention belongs to sensor technical fields, refer in particular to a kind of one-way conduction fluid sensor.
Background technique
CN 103411019A discloses " a kind of water flow sensing unit ", including shell, float, magnet, reset spring and magnetism
Switch, magnet are arranged on float；Magnetic switch is arranged on shell；The both ends of the shell have hickey, middle part to lead
The both ends of water cavity, water-guiding cavity are connected to hickey；There is the through hole of a perforation housing wall on water-guiding cavity；It further include a under shed
Cylinder barrel, float is arranged in cylinder barrel, and reset spring lower end and float upper end cooperate against the top plate of, upper end and cylinder barrel, cylinder barrel
It is fixed together with shell with bolt；The under shed of cylinder barrel is opposite with through hole, when non-water flow passes through, float lower end with
Through hole and partition fitting；When there is water flow to pass through, float is moved up, and water flow crosses the other side that partition flows to partition,
It is disadvantageous in that: first is that float moves up no locating part, repeatedly extruding spring for a long time and will lead to spring and easily follow the string
And it fails；Second is that cylinder barrel and shell are connected with and are easy to cause shell leak；Third is that be slidably connected between float and cylinder barrel, by
In the factors such as machining accuracy and friction, the gap that will lead between float and cylinder barrel is increased, and high pressure water can flow to floating from gap
The spring housing of sub- upside, causes float to move up difficulty or move up not in place and magnetic switch is caused to can not work normally；Fourth is that every
Plate is big to the resistance of water, directly affects water body power；Fifth is that structure is complicated for the fluid sensor, and processing difficulties, high failure rate,
Maintenance cost is high.
Summary of the invention
That the object of the present invention is to provide a kind of structures is simple, fluid resistance is small, good airproof performance, fluid with long service life pass
Sensor.
The object of the present invention is achieved like this:
A kind of one-way conduction fluid sensor, with fluid channel shell one end inner wall on be provided with valve seat, valve seat
On be provided with and be inlaid with magnetic patch and control forward conduction, the spool that reversely ends, the tail portion of spool is provided with gag lever post, gag lever post
Tail end be directed toward the other end of shell, be provided with the limit spring seat with fluid through-hole on the inner wall of the other end of shell, it is multiple
The side of position spring is socketed on gag lever post, other side apical grafting is on limit spring seat, is provided with spool on the outer wall of shell and is beaten
By the magnetic switch of the magnetic force open/close of magnetic patch when on or off is closed.
The tail portion of above-mentioned spool is provided with blind hole, and the magnetic patch is arranged on the inside of blind hole and is pushed up with the side of gag lever post
Tightly, gag lever post and blind hole are tightly connected.
Above-mentioned magnetic patch is arranged in blind hole and with the specific structure that the side of gag lever post is held out against: the internal diameter on the inside of blind hole
Small, outside internal diameter is big, and the magnetic patch is arranged at the small blind hole of internal diameter, and the side of gag lever post is connected to the big blind hole of internal diameter
Sentence the axial movement of magnetic patch, the side of magnetic patch and gag lever post is sealing adhesive in blind hole.
Be provided on front side of above-mentioned spool with valve seat cooperate block housing cavity conical seal (contact) face, rear side be provided with it is expanding
Portion is circumferentially arranged at intervals with the through slot of axial water flowing on the external cylindrical surface of wide diameter portion.
One end of above-mentioned shell is provided with internal screw thread or external screw thread or plug-in quick union, the inner wall of the other end of shell
On be provided with internal screw thread, be provided with external screw thread or plug-in quick union on outer wall.
Above-mentioned limit spring seat is screwed on the internal screw thread on shell other end inner wall.
Above-mentioned magnetic switch includes glass tube, two electric contacts being encapsulated in glass tube and plastic packaging outside glass tube
Plastic shell, the electric wire for connecting two electric contacts are drawn outside plastic shell.
Mounting hole is provided on above-mentioned plastic shell, magnetic switch shell passes through mounting hole with screw rod and is screwed onto shell
On.
The internal diameter of the internal screw thread of the above-mentioned shell other end is greater than the internal diameter of the housing cavity where spool.
Above-mentioned spool and gag lever post is made of plastic material, and shell is made of stainless steel.
The present invention is prominent and beneficial compared with prior art to be had the technical effect that
1, spool tail portion of the invention is equipped with gag lever post, even high pressure (5-30Mpa) or super-pressure (30Mpa with
On) fluid (water or oil or gas) it is frequent effect under, spring still may be in reasonable regime of elastic deformation, the length of spring
The reason of time and Repeated Compression will not be because of the flexible deformations or extruding of transition and fail, long service life.
2, be mostly used: the present invention cannot be only used for can also be used as unidirectionally in detection shell whether there is or not the sensor of fluid flowing
Valve uses, i.e., can also prevent reverse fluid flow, production cost is low with the one-way flow of fluid.
3, inventive shell design is using integrated design, and without other openings in addition to intake-outlet, the magnetic force of magnetic patch is worn
The switch of saturating shell control magnetic switch, is not present sealing problem, leakage problems, good airproof performance would not also occur.
4, after the present invention opens spool under the impact of high-pressure fluid, water flow is still in rough straight line flow direction, fluid resistance
It is small.
5, structure of the invention is simple, low cost, and performance is stablized, suitable for making high pressure (5-30Mpa) or super-pressure
(30Mpa or more) and the sensor for controlling one-way flow fluid (water or oil or gas).
Detailed description of the invention
Fig. 1 is that the electric contact of magnetic switch of the invention is located at the schematic diagram of non-attracting state.
Fig. 2 is that the electric contact of magnetic switch of the invention is located at the schematic diagram of attracting state.
Specific embodiment
With specific embodiment, the invention will be further described with reference to the accompanying drawing, referring to Fig. 1-Fig. 2:
A kind of one-way conduction fluid sensor, with fluid channel shell 17 one end inner wall on be provided with valve seat 11,
The spool 27 for being inlaid with magnetic patch 25 and controlling forward conduction, reversely ending is provided on valve seat 11, the tail portion of spool 27 is provided with
Gag lever post 24, the tail end of gag lever post 24 are directed toward the other end of shell 17, are provided on the inner wall of the other end of shell 17 with stream
The limit spring seat 21 of body through-hole 20, the side of reset spring 22 is socketed on gag lever post 24, other side apical grafting is in limit spring
On seat 21, it is provided on the outer wall of shell 17 when spool 27 opens or closes by the magnetic switch 16 of the magnetic force open/close of magnetic patch 25,
The electric connection line 12 of magnetic switch 16 is drawn outside the shell of closed magnetic switch 16.
The tail portion of above-mentioned spool 27 is provided with blind hole 28, and the setting of magnetic patch 25 is in 28 inside of blind hole and with gag lever post 24
Side hold out against, gag lever post 24 and blind hole 28 are Nian Jie by sealing glue sealing.
Above-mentioned magnetic patch 25 is arranged in blind hole 28 and with the specific structure that the side of gag lever post 24 is held out against: 28 inside of blind hole
Internal diameter is small, outside internal diameter is big, the magnetic patch 25 is arranged at the small blind hole 28 of internal diameter, and the side of gag lever post 24 is connected to
Limiting the axial movement of magnetic patch 25 at the big blind hole of internal diameter, the side of magnetic patch 25 and gag lever post 24 is sealing adhesive in blind hole,
The side of gag lever post 24, which is connected at the big blind hole of internal diameter, can be effectively prevented high pressure (5-30Mpa) water or super-pressure (30Mpa
More than) water is to the indirect impingement of magnetic patch 25, to protect magnetic patch 25.
The front side of above-mentioned spool 27 is provided with cooperates the conical seal (contact) face 29, the rear side that block 17 inner cavity of shell to set with valve seat 11
It is equipped with wide diameter portion, the through slot 26 of circumferential water flowing is circumferentially arranged at intervals on the external cylindrical surface of wide diameter portion.
One end of above-mentioned shell 17 is provided with internal screw thread or external screw thread 41 or plug-in quick union, the other end of shell
It is provided with internal screw thread 18 on inner wall, is provided with external screw thread or plug-in quick union on outer wall.
Above-mentioned limit spring seat 21 is screwed on the internal screw thread 18 on 17 other end inner wall of shell.
Above-mentioned magnetic switch 16 includes that glass tube 13, two electric contacts 15 being encapsulated in glass tube 13 and plastic packaging exist
Plastic shell 14 outside glass tube 13, the electric wire for connecting two electric contacts are drawn outside plastic shell.
Mounting hole is provided on above-mentioned plastic shell 14,16 shell of magnetic switch passes through mounting hole with screw rod and is screwed onto shell
On body 17.
The internal diameter D2 of the internal screw thread 18 of above-mentioned 17 other end of shell is greater than the internal diameter D1 of the housing cavity 23 where spool 27.
Above-mentioned spool 27 and gag lever post 24 is made of plastic material, and shell 17 is made of stainless steel.
Operation of the invention:
Water flow enters in cartridge type shell 17 from 10 one end of external screw thread of cartridge type shell 17, under the promotion of water flow, is inlaid with
27 compression reseting spring 22 of spool of magnetic patch 25 moves backward, after being moved to a certain distance, the limit of the tail portion of spool 27
24 apical grafting of bar has arrived limit spring seat 21, is embedded in the position of the magnetic patch 25 on spool 27 at this time just at by magnetic force open/close
The corresponding position of magnetic switch 16, since the electric contact 15 of the effect magnetic switch 16 of magnetic force is in closed state, such as Fig. 2；When
Water stops entering in cartridge type shell, due to the promotion of not no water flow, is inlaid with the spool of magnetic patch under the action of reset spring, extensive
It is multiple, at this point, not only spool 27 is pressed on limitation water flow reflux on valve seat 11, to play the role of one-way cock to original position, moreover, edge
The position of magnetic patch on spool is far from magnetic switch, and due to the effect of not no magnetic force, the electric contact 15 of magnetic switch is in
Off-state, such as Fig. 1.
Certainly, the fluid sensor is not limited to water, is also possible to the fluids such as oil, gas, and principle is identical, is: having
When pressure, push spool is mobile to open fluid channel, while driving the electric contact 15 of magnetic switch 16 to be in by magnetic patch 25 and connecing
Logical state, it is corresponding to transmit the electric signal for having pressure in fluid channel；When no pressure, valve core reset is pushed, closes fluid channel, together
When drive the electric contact 15 of magnetic switch 16 to be in an off state by magnetic patch 25, the electricity of no pressure in corresponding transmitting fluid channel
Signal.
Above-described embodiment is only presently preferred embodiments of the present invention, is not limited the scope of the invention according to this, therefore: it is all according to
The equivalence changes that structure of the invention, shape, principle are done, should all be covered by within protection scope of the present invention.
Claims (7)
1. a kind of one-way conduction fluid sensor, it is characterised in that: be provided on the inner wall of shell one end with fluid channel
Valve seat is provided with the spool for being inlaid with magnetic patch and controlling forward conduction, reversely ending on valve seat, and the tail portion of spool is provided with limit
Bar, the tail end of gag lever post are directed toward the other end of shell, are provided with the limit with fluid through-hole on the inner wall of the other end of shell
Spring base, the side of reset spring is socketed on gag lever post, other side apical grafting is on limit spring seat, is arranged on the outer wall of shell
There is magnetic switch of spool when opening or closing by the magnetic force open/close of magnetic patch；The tail portion of the spool is provided with blind hole, described
Magnetic patch is arranged on the inside of blind hole and is held out against with the side of gag lever post, and gag lever post and blind hole are tightly connected；The magnetic patch is arranged blind
It is in hole and with the specific structure that the side of gag lever post is held out against: the magnetic patch that internal diameter on the inside of blind hole is small, outside internal diameter is big, described
It is arranged at the small blind hole of internal diameter, the side of gag lever post is connected at the big blind hole of internal diameter the axial movement pair for preventing gag lever post
Magnetic patch damages, and the side of magnetic patch and gag lever post is sealing adhesive in blind hole；It is provided on front side of the spool and matches with valve seat
Conical seal (contact) face, the rear side for closing closure housing cavity are provided with wide diameter portion, are circumferentially arranged at intervals on the external cylindrical surface of wide diameter portion
The through slot of axial water flowing, the external cylindrical surface of wide diameter portion are matched with the inner wall of shell；The shell uses integrated design,
Opening only has intake-outlet.
2. a kind of one-way conduction fluid sensor according to claim 1, it is characterised in that: one end of the shell is arranged
There are internal screw thread or external screw thread or plug-in quick union, internal screw thread is provided on the inner wall of the other end of shell, is arranged on outer wall
There are external screw thread or plug-in quick union.
3. a kind of one-way conduction fluid sensor according to claim 2, it is characterised in that: the limit spring seat is spirally connected
On the internal screw thread on shell other end inner wall.
4. a kind of one-way conduction fluid sensor according to claim 1, it is characterised in that: the magnetic switch includes
The plastic shell of glass tube, two electric contacts and plastic packaging being encapsulated in glass tube outside glass tube, connects two electric contacts
Electric wire is drawn outside plastic shell.
5. a kind of one-way conduction fluid sensor according to claim 4, it is characterised in that: set on the plastic shell
It is equipped with mounting hole, magnetic switch shell passes through mounting hole with screw rod and is screwed on shell.
6. a kind of one-way conduction fluid sensor according to claim 1, it is characterised in that: the shell other end it is interior
The internal diameter of screw thread is greater than the internal diameter of the housing cavity where spool.
7. described in any item a kind of one-way conduction fluid sensors according to claim 1-6, it is characterised in that: the valve
Core and gag lever post are made of plastic material, and shell is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511016937.9A CN105422924B (en) | 2015-12-29 | 2015-12-29 | A kind of one-way conduction fluid sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511016937.9A CN105422924B (en) | 2015-12-29 | 2015-12-29 | A kind of one-way conduction fluid sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105422924A CN105422924A (en) | 2016-03-23 |
| CN105422924B true CN105422924B (en) | 2019-01-22 |
Family
ID=55501357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511016937.9A Active CN105422924B (en) | 2015-12-29 | 2015-12-29 | A kind of one-way conduction fluid sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105422924B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151533A (en) * | 2016-07-01 | 2016-11-23 | 济南海能仪器股份有限公司 | Control valve |
| KR102382808B1 (en) | 2016-07-20 | 2022-04-04 | 류베 가부시키가이샤 | Fluid flow detection device |
| JP6692546B2 (en) * | 2016-07-20 | 2020-05-13 | リューベ株式会社 | Fluid flow detector |
| CN106766033A (en) * | 2016-12-05 | 2017-05-31 | 珠海格力电器股份有限公司 | Backflow prevention pipeline, cooling fan and humidification system |
| CN113621978A (en) * | 2021-08-30 | 2021-11-09 | 马亚萍 | Electrolytic ozone water generation equipment integrated on water valve |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2258352B1 (en) * | 2002-10-15 | 2008-02-16 | Genebre, S.A. | RETENTION VALVE. |
| US7448407B2 (en) * | 2005-06-28 | 2008-11-11 | Otto Bock Healthcare Ip Gmbh & Co. Kg | Latched valve assembly |
| US9683354B2 (en) * | 2012-01-06 | 2017-06-20 | Joelex, Inc. | Check valve system for managing fluids |
| CN103871776A (en) * | 2012-12-11 | 2014-06-18 | 大连乾宝铸铁有限公司 | Magnetic switch cylinder |
| CN103775689A (en) * | 2014-02-20 | 2014-05-07 | 沈阳航天新光集团有限公司 | Low flow resistance air channel one-way valve |
| CN105090569A (en) * | 2015-07-13 | 2015-11-25 | 珠海格力电器股份有限公司 | Check valve structure and air conditioner |
| CN205244499U (en) * | 2015-12-29 | 2016-05-18 | 郑辉 | Unidirectional flux fluid sensor |
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2015
- 2015-12-29 CN CN201511016937.9A patent/CN105422924B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105422924A (en) | 2016-03-23 |
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Effective date of registration: 20210119 Address after: No. 899, Central Avenue, Jinqing Town, Luqiao District, Taizhou City, Zhejiang Province Patentee after: Hence Ke Intelligent Technology (Zhejiang) Co.,Ltd. Address before: 318058 No.325, Jingang West Road, Jinqing Town, Luqiao District, Taizhou City, Zhejiang Province Patentee before: Zheng Hui |