CN205244499U - Unidirectional flux fluid sensor - Google Patents
Unidirectional flux fluid sensor Download PDFInfo
- Publication number
- CN205244499U CN205244499U CN201521125495.7U CN201521125495U CN205244499U CN 205244499 U CN205244499 U CN 205244499U CN 201521125495 U CN201521125495 U CN 201521125495U CN 205244499 U CN205244499 U CN 205244499U
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- housing
- gag lever
- lever post
- fluid sensor
- spool
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Abstract
The utility model belongs to the technical field of the sensor, the utility model relates to an unidirectional flux fluid sensor, it is provided with the disk seat on the inner wall of fluid passage's casing one end to have, be provided with on the disk seat to inlay there is the magnetic path and controls the forward and switch on, the case that backward ends, the afterbody of case is provided with the gag lever post, the other end of the directional casing of tail end of gag lever post, be provided with the spacing spring holder that has the fluid through -hole on the inner wall of the other end of casing, cup joint on the gag lever post one side of reset spring, the opposite side apical grafting is on spacing spring holder, the magnetic switch that the magnetic force that leans on the magnetic path when being provided with the case on the outer wall of casing and opening or close was opened and close, the advantage is: simple structure, cost are low, the flow resistance is little, the leakproofness good, long service life, performance are stable, are applicable to to make high pressure or superhigh pressure and control uniflow fluidic sensor.
Description
Technical field
The utility model belongs to sensor technical field, refers in particular to a kind of one-way conduction fluid sensor.
Background technology
CN103411019A discloses " a kind of water flow sensing unit ", comprises housing, float, magnet, multiplePosition spring and magnetic switch, magnet is arranged on float; Magnetic switch is arranged on housing; Described housingTwo ends have hickey, middle part to have water-guiding cavity, and the two ends of water-guiding cavity are communicated with hickey; On water-guiding cavity, haveOne connects the through hole of housing wall; Also comprise the cylinder barrel of a under shed, float is arranged in cylinder barrel, reset bulletSpring lower end and float upper end coordinate with the top board of cylinder barrel against, upper end, and cylinder barrel is fixedly connected with bolt with housingTogether; The under shed of cylinder barrel is relative with through hole, non-water flow by time, float lower end and through hole withDividing plate laminating; In the time having current to pass through, float moves up, and current are crossed dividing plate and flow to the opposite side of dividing plate,Its weak point is: the one, and on float, move and there is no locating part, extrusion spring can cause bullet repeatedly for a long timeSpring easily follows the string and lost efficacy; The 2nd, cylinder barrel is connected and easily causes housing to leak with bolt with housing; The 3rd, floatingBetween son and cylinder barrel, be slidably connected, due to the factor such as machining accuracy and friction, can cause between float and cylinder barrelGap strengthen, water under high pressure can flow to the spring housing of float upside from gap, cause moving on float difficulty orOn move not in place and cause magnetic switch normally to work; The 4th, dividing plate is large to the resistance of water, directly impactWater body power; The 5th, the complex structure of this fluid sensor, processing difficulties, fault rate is high, and maintenance cost is high.
Summary of the invention
The purpose of this utility model be to provide a kind of simple in structure, fluid resistance is little, good airproof performance, use longevityThe fluid sensor that life is long.
The purpose of this utility model is achieved in that
A kind of one-way conduction fluid sensor, has on one end inwall of housing of fluid passage and is provided with valve seat,On valve seat, be provided with the spool that is inlaid with magnetic patch and controls forward conduction, reverse cut-off, the afterbody setting of spoolLimited location bar, the tail end of gag lever post points to the other end of housing, on the inwall of the other end of housing, is provided with bandHave the limit spring seat of fluid through-hole, a side of back-moving spring is socketed on gag lever post, opposite side apical grafting is being limitOn the spring base of position, when being provided with spool on the outer wall of housing and opening or closing by the magnetic of the magnetic force open/close of magnetic patchSwitch.
The afterbody of above-mentioned spool is provided with blind hole, and described magnetic patch is arranged on blind hole inner side and uses one of gag lever postSide holds out against, and gag lever post and blind hole are tightly connected.
Above-mentioned magnetic patch is arranged in blind hole: blind hole inner sideInternal diameter is little, the internal diameter in outside is large, and described magnetic patch is arranged on the blind hole place that internal diameter is little, and a side of gag lever post connectsBe connected on the blind hole that internal diameter is large and sentence moving axially of magnetic patch, a side seal of magnetic patch and gag lever post is bonded in blind holeIn.
The front side of above-mentioned spool is provided with the conical seal (contact) face, the rear side setting that coordinate shutoff housing inner chamber with valve seatThere is wide diameter portion, on the external cylindrical surface of wide diameter portion, be circumferentially arranged at intervals with the groove that axial water flowing is used.
One end of above-mentioned housing is provided with internal thread or external screw thread or plug-in quick union, the other end of housingInwall on be provided with and on internal thread, outer wall, be provided with external screw thread or plug-in quick union.
Above-mentioned limit spring seat is screwed onto on the internal thread on housing other end inwall.
Above-mentioned magnetic switch comprises glass tube, be encapsulated in two electric contacts in glass tube and plastic packaging at glassPlastic casing outside pipe, the electric wire that connects two electric contacts is drawn outside plastic casing.
On above-mentioned plastic casing, be provided with installing hole, magnetic switch housing is screwed onto through installing hole with screw rodOn housing.
The internal diameter of the internal thread of the above-mentioned housing other end is greater than the internal diameter of the housing inner chamber at spool place.
Above-mentioned spool and gag lever post are made with plastic material, and housing is made with stainless steel.
The utility model compared to existing technology outstanding and useful technique effect is:
1, spool afterbody of the present utility model is provided with gag lever post, even if in high pressure (5-30Mpa) or superelevationPress under the frequent effect of (more than 30Mpa) fluid (water or oil or gas), spring still can be in reasonablyIn regime of elastic deformation, the long-time and Repeated Compression of spring can be because of the strain of transition or extruding yetFormer thereby lost efficacy, long service life.
2, multiplex: the utility model not only can be used for detecting in housing and has or not the mobile sensor of fluid, also canTo use as one-way cock, one-way flow that also can fluid, prevents reverse fluid flow, is produced intoThis is low.
3, the utility model housing design adopts Integral design, there is no other opening, magnetic except intake-outletThe magnetic force of piece penetrates the switch of housing control magnetic switch, does not have sealing problem, also just there will not be seepageProblem, good airproof performance.
4, the utility model is opened after spool under the impact of high-pressure fluid, current be still linear flow roughly to,Fluid resistance is little.
5, of the present utility model simple in structure, cost is low, and stable performance is applicable to do high pressure (5-30Mpa)Or the sensor of super-pressure (more than 30Mpa) and control one-way flow fluid (water or oil or gas).
Brief description of the drawings
Fig. 1 is that the electric contact of magnetic switch of the present utility model is positioned at the not schematic diagram of attracting state.
Fig. 2 is the schematic diagram that the electric contact of magnetic switch of the present utility model is positioned at attracting state.
Detailed description of the invention
The utility model is further described with specific embodiment below in conjunction with accompanying drawing, referring to Fig. 1-Fig. 2:
A kind of one-way conduction fluid sensor, has on one end inwall of housing 17 of fluid passage and is provided with valveSeat 11, is provided with the spool 27 that is inlaid with magnetic patch 25 and controls forward conduction, reverse cut-off on valve seat 11,The afterbody of spool 27 is provided with gag lever post 24, and the tail end of gag lever post 24 points to the other end of housing 17, housingOn the inwall of 17 the other end, be provided with the limit spring seat 21 with fluid through-hole 20, back-moving spring 22One side is socketed on gag lever post 24, opposite side apical grafting on limit spring seat 21, on the outer wall of housing 17, establishWhen being equipped with spool 27 and opening or closing by the magnetic switch 16 of the magnetic force open/close of magnetic patch 25, magnetic switch 16Electric connection line 12 is drawn outside the housing of magnetic switch 16 of sealing.
The afterbody of above-mentioned spool 27 is provided with blind hole 28, and described magnetic patch 25 is arranged on blind hole 28 inner sides and usesOne side of gag lever post 24 holds out against, and gag lever post 24 is bonding by fluid sealant water-stop with blind hole 28.
Above-mentioned magnetic patch 25 is arranged in blind hole 28: blindThe internal diameter internal diameter little, outside of 28 inner sides, hole is large, and described magnetic patch 25 is arranged on blind hole 28 places that internal diameter is little,One side of gag lever post 24 is connected to the blind hole that internal diameter is large and sentences moving axially of restriction magnetic patch 25, magnetic patch 25 HesOne side seal of gag lever post 24 is bonded in blind hole, and a side of gag lever post 24 is connected to the blind hole place that internal diameter is largeCan effectively prevent high pressure (5-30Mpa) water or super-pressure (more than 30Mpa) water to magnetic patch 25 indirectlyClash into, to protect magnetic patch 25.
The front side of above-mentioned spool 27 be provided with the conical seal (contact) face 29 that coordinates shutoff housing 17 inner chambers with valve seat 11,Rear side is provided with wide diameter portion, is circumferentially arranged at intervals with the groove that circumferential water flowing is used on the external cylindrical surface of wide diameter portion26。
One end of above-mentioned housing 17 is provided with internal thread or external screw thread 41 or plug-in quick union, housingOn the inwall of the other end, be provided with and on internal thread 18, outer wall, be provided with external screw thread or plug-in quick union.
Above-mentioned limit spring seat 21 is screwed onto on the internal thread 18 on housing 17 other end inwalls.
The comprising glass tube 13, be encapsulated in two electric contacts 15 in glass tube 13 of above-mentioned magnetic switch 16And the plastic casing 14 of plastic packaging outside glass tube 13, the electric wire that connects two electric contacts is drawn outside plastic casing.
On above-mentioned plastic casing 14, be provided with installing hole, magnetic switch 16 housings pass installing hole with screw rodBe screwed onto on housing 17.
The inner diameter D 2 of the internal thread 18 of above-mentioned housing 17 other ends is greater than the housing inner chamber 23 at spool 27 placesInner diameter D 1.
Above-mentioned spool 27 and gag lever post 24 use plastic materials are made, and housing 17 use stainless steels are made.
Operation of the present utility model:
Current enter in cartridge type housing 17 from external screw thread 10 one end of cartridge type housing 17, under the promotion of current,Spool 27 compression reseting springs 22 that are inlaid with magnetic patch 25 move backward, when moving to after certain distance,Gag lever post 24 apical graftings of the afterbody of spool 27 have arrived limit spring seat 21, are now embedded in the magnetic on spool 27The position of piece 25 is just in the correspondence position by the magnetic switch 16 of magnetic force open/close, due to the effect of magnetic forceThe electric contact 15 of magnetic switch 16 is in closure state, as Fig. 2; In water stops entering cartridge type housing, byIn the promotion that there is no current, be inlaid with the spool of magnetic patch under the effect of back-moving spring, return to original position, thisTime, not only spool 27 is pressed on and on valve seat 11, limits that current are counter to flow, and plays the effect of one-way cock, and,Be embedded in the position of the magnetic patch on spool away from magnetic switch, owing to there is no the effect of magnetic force, magnetic switchElectric contact 15 is in off-state, as Fig. 1.
Certainly, described fluid sensor is not limited to water, can be also the fluids such as oil, gas, and its principle is identical,All: while having pressure, promotion spool moves opens fluid passage, drives magnetic switch by magnetic patch 25 simultaneously16 electric contact 15, in on-state, has the signal of telecommunication of pressure in corresponding transmission fluid passage; During without pressure,Promote valve core reset, close fluid passage, drive the electric contact 15 of magnetic switch 16 simultaneously by magnetic patch 25In off-state, the stress-free signal of telecommunication in corresponding transmission fluid passage.
Above-described embodiment is only preferred embodiment of the present utility model, not limits according to this this practicality newThe protection domain of type, therefore: all equivalences of doing according to structure of the present utility model, shape, principle becomeChange, within all should being covered by protection domain of the present utility model.
Claims (10)
1. an one-way conduction fluid sensor, is characterized in that: have fluid passage housing one end inOn wall, be provided with valve seat, on valve seat, be provided with the spool that is inlaid with magnetic patch and controls forward conduction, reverse cut-off,The afterbody of spool is provided with gag lever post, and the tail end of gag lever post points to the other end of housing, the other end of housingOn inwall, be provided with the limit spring seat with fluid through-hole, a side of back-moving spring is socketed on gag lever post,Opposite side apical grafting is on limit spring seat, when being provided with spool on the outer wall of housing and opening or closing by magnetic patchThe magnetic switch of magnetic force open/close.
2. a kind of one-way conduction fluid sensor according to claim 1, is characterized in that: described inThe afterbody of spool is provided with blind hole, and described magnetic patch is arranged on blind hole inner side and also holds out against by a side of gag lever post,Gag lever post and blind hole are tightly connected.
3. a kind of one-way conduction fluid sensor according to claim 2, is characterized in that: described magneticPiece is arranged in blind hole: the internal diameter of blind hole inner side is little, outerThe internal diameter of side is large, and described magnetic patch is arranged on the blind hole place that internal diameter is little, and it is large that a side of gag lever post is connected to internal diameterBlind hole sentence moving axially of magnetic patch, a side seal of magnetic patch and gag lever post is bonded in blind hole.
4. a kind of one-way conduction fluid sensor according to claim 1, is characterized in that: described inThe front side of spool is provided with the conical seal (contact) face, the rear side that coordinate shutoff housing inner chamber with valve seat and is provided with wide diameter portion,On the external cylindrical surface of wide diameter portion, be circumferentially arranged at intervals with the groove that axial water flowing is used.
5. a kind of one-way conduction fluid sensor according to claim 1, is characterized in that: described shellOne end of body is provided with internal thread or external screw thread or plug-in quick union, on the inwall of the other end of housing, establishesBe equipped with and on internal thread, outer wall, be provided with external screw thread or plug-in quick union.
6. a kind of one-way conduction fluid sensor according to claim 5, is characterized in that: described limitPosition spring base is screwed onto on the internal thread on housing other end inwall.
7. a kind of one-way conduction fluid sensor according to claim 1, is characterized in that: described inMagnetic switch comprise glass tube, be encapsulated in two electric contacts and plastic packaging moulding outside glass tube in glass tubeMaterial shell, the electric wire that connects two electric contacts is drawn outside plastic casing.
8. a kind of one-way conduction fluid sensor according to claim 7, is characterized in that: described inPlastic casing on be provided with installing hole, magnetic switch housing is screwed onto on housing through installing hole with screw rod.
9. a kind of one-way conduction fluid sensor according to claim 1, is characterized in that: described shellThe internal diameter of the internal thread of the body other end is greater than the internal diameter of the housing inner chamber at spool place.
10. according to a kind of one-way conduction fluid sensor described in claim 1-9 any one, its feature existsIn: described spool and gag lever post are made with plastic material, and housing is made with stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521125495.7U CN205244499U (en) | 2015-12-29 | 2015-12-29 | Unidirectional flux fluid sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521125495.7U CN205244499U (en) | 2015-12-29 | 2015-12-29 | Unidirectional flux fluid sensor |
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| Publication Number | Publication Date |
|---|---|
| CN205244499U true CN205244499U (en) | 2016-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521125495.7U Active CN205244499U (en) | 2015-12-29 | 2015-12-29 | Unidirectional flux fluid sensor |
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| CN (1) | CN205244499U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422924A (en) * | 2015-12-29 | 2016-03-23 | 郑辉 | One-way conduction fluid sensor |
| CN107023696A (en) * | 2017-05-27 | 2017-08-08 | 上海化工研究院有限公司 | A kind of magnetic control one-way throttle valve |
| CN107420235A (en) * | 2017-08-31 | 2017-12-01 | 安徽江淮汽车集团股份有限公司 | Petrol engine air admission manifold tempering protection device |
| CN108423723A (en) * | 2018-05-07 | 2018-08-21 | 肖三华 | Preposition water purifier and its control method |
-
2015
- 2015-12-29 CN CN201521125495.7U patent/CN205244499U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422924A (en) * | 2015-12-29 | 2016-03-23 | 郑辉 | One-way conduction fluid sensor |
| CN107023696A (en) * | 2017-05-27 | 2017-08-08 | 上海化工研究院有限公司 | A kind of magnetic control one-way throttle valve |
| CN107023696B (en) * | 2017-05-27 | 2019-04-19 | 上海化工研究院有限公司 | A kind of magnetic control one-way throttle valve |
| CN107420235A (en) * | 2017-08-31 | 2017-12-01 | 安徽江淮汽车集团股份有限公司 | Petrol engine air admission manifold tempering protection device |
| CN108423723A (en) * | 2018-05-07 | 2018-08-21 | 肖三华 | Preposition water purifier and its control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210126 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 |