CN205919923U - Miniature pressure sensors - Google Patents
Miniature pressure sensors Download PDFInfo
- Publication number
- CN205919923U CN205919923U CN201620974775.3U CN201620974775U CN205919923U CN 205919923 U CN205919923 U CN 205919923U CN 201620974775 U CN201620974775 U CN 201620974775U CN 205919923 U CN205919923 U CN 205919923U
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- spring
- base
- induction apparatuss
- micro pressure
- housing
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Abstract
The utility model provides a miniature pressure sensors belongs to mechanical technical field. It has solved current pressure sensors's the complicated and manufacturing cost higher problem of structure. This miniature pressure sensors, which comprises a housin, the lower extreme of casing is the link, the link is equipped with the through -hole that is linked together with the cavity of casing, the inner department of through -hole is equipped with the flexible sheet, be equipped with kicking block and spring in the casing, the lower extreme of kicking block supports and leans on on the flexible sheet, the one end of spring is supported and is leaned on on the kicking block, the other end of spring supports the upper end of leaning on the cavity at the casing, micro -gap switch has been linked firmly on the casing, upside and flexible sheet that micro -gap switch is located the kicking block can promote the contact that the kicking block shifted up and touched micro -gap switch. This miniature pressure sensors has simple structure and the lower advantage of manufacturing cost.
Description
Technical field
This utility model belongs to field of mechanical technique, is related to a kind of pressure inductor, particularly a kind of micro pressure sensing
Device.
Background technology
Using most water level sensor for home appliance it is using following principle at present: water pressure is delivered to by trachea
Sensor air chamber, produces air pressure, and the bounce that sensor membrane is overcome spring by the effect of air pressure drives ferrite iron core to line
Circle direction is moved, iron core when coil inside is mobile, the change in approximately linear corresponding with the displacement of iron core of the inductance of coil
Change, the displacement of iron core is then corresponding with level pressure, and iron core displacement is converted to level pressure.
A kind of pressure transducer (application number: 201210399240.4) include gas lid and shell as disclosed in Chinese patent literature
Body, housing has the skeleton of winding inductance coil, and gas lid and housing are mutually removably fixed, and the junction of gas lid and housing is fixed
Flexible diaphragm, the setting of flexible sheet center is cored, and iron core can move axially in skeleton with described flexible sheet, housing
Skeleton on be wound with inductance coil, equipped with spring one between iron core and housing, housing circuit board is provided below, this circuit board
On be provided with memory, housing is fixed with frequency signal lead-out terminal and memory signal input and output terminal, frequency signal
Lead-out terminal one end and memory signal input and output terminal one end to external output signal, frequency signal lead-out terminal pars intermedia and
Memory signal input and output terminal pars intermedia and housing keep fixing, and the frequency signal lead-out terminal other end and memory signal input
The lead-out terminal other end is connected with circuit board, and the wire wrap terminal of inductance coil is connected with circuit board, and memory internal memory contains not
With the frequency values being obtained by frequency output terminal output under pressure.But this pressure transducer is electronic pressure sensor, because
This its complex structure and manufacturing cost is higher.
Content of the invention
The purpose of this utility model is that there are the problems referred to above for existing technology it is proposed that a kind of structure simply and manufactures
Lower-cost micro pressure induction apparatuss.
The purpose of this utility model can be realized by following technical proposal: micro pressure induction apparatuss, including housing, described
The lower end of housing be connection end, described connection end is provided with the through hole being connected with the cavity of housing, and described through hole is inner
Place is provided with flexible sheet it is characterised in that being provided with jacking block and spring in described housing, the lower end of described jacking block is resisted against
On described flexible sheet, one end of described spring is resisted against on described jacking block, and the other end of described spring is resisted against
The upper end of the cavity of housing, described housing is fixed with microswitch, and described microswitch is located at the upper of described jacking block
Side and described flexible sheet can promote the contact moving and touching microswitch on described jacking block.
When using, the connection end of housing is encased in the pipeline of water system.Pushed away by the fluid media (medium) in pipeline
Dynamic elasticity diaphragm up side shifting, jacking block overcomes the elastic force of spring up side shifting touch the contact of microswitch, realizes control
The signal starting or disconnecting of microswitch processed, has the more reliable advantage of work, this micro pressure sensing apparatus simultaneously
Have the advantages that structure is simple and manufacturing cost is relatively low.
In above-mentioned micro pressure induction apparatuss, described housing includes opening up base and is connected in described
On the upside of base and downward opening switch base, described microswitch is connected on described switch base, and described connection end sets
Put the lower end in described base, the other end of described spring is resisted against on described switch base.Housing using base with open
Close seat, there is structure simply and assemble conveniently advantage.
In above-mentioned micro pressure induction apparatuss, the threaded upper ends of described switch base are connected with adjusting screw, described
The lower end of adjusting screw is arranged with pad, and the other end of described spring is resisted against the downside of described pad.By adjusting
Screw adjusts the decrement of spring, realizes adjusting the pressure value setting, and has regulation conveniently advantage, is padded by setting
Piece, is easy to spacing to spring, has the advantages that simple and reliable for structure.
In above-mentioned micro pressure induction apparatuss, the upper end of described jacking block is provided with annular groove, under described spring
End is embedded in described annular groove.Using above-mentioned setting, make that there is between spring and jacking block preferable locating effect, make work
More reliable advantage.
In above-mentioned micro pressure induction apparatuss, the middle part of described annular groove is coaxially provided with positioning convex body, described
Positioning convex body is inserted into the lower end of described spring.Positioning convex body is inserted into the lower end of spring, it is to avoid spring produces displacement, has
Structure is simple and the preferable advantage of locating effect.
In above-mentioned micro pressure induction apparatuss, the lateral wall of described switch base is provided with annular convex shoulder, described base
Lateral bending is rolled over and is resisted against on annular convex shoulder inside at upper port edge.Using above-mentioned setting, switch base is made to be fixedly connected with base, tool
Have the advantages that connection is more firm and difficult for drop-off.
In above-mentioned micro pressure induction apparatuss, the side of described switch base is provided with resigning breach, and described fine motion is opened
The contact closed is located at described resigning indentation, there, and the described side of jacking block is faced with the contact of described fine motion quick closing valve.
In above-mentioned micro pressure induction apparatuss, the outside of described base is arranged with pressed seat, described pressed seat
The stator being symmetrically arranged on two with lateral bending folding outward of lower end.By arranging different pressed seats, make this micro pressure induction apparatuss
Can have the advantages that the scope of application is wider using different positions.
In above-mentioned micro pressure induction apparatuss, the lower surface of the described cavity of base is provided with annular convex, described
Flexible sheet is rounded and its edge is equipped with elastic convex body, and described elastic convex body is coaxially disposed with described annular convex,
The inner side of described elastic convex body is resisted against the outside of described annular convex, and the lower end of described switch base is resisted against described
The upside of elastic convex body.Using above-mentioned setting, make between flexible sheet and base, to form preferably sealing, be not likely to produce leakage.
Compared with prior art, this micro pressure sensing apparatus has the advantage that
1st, the fluid media (medium) passing through in pipeline promotes flexible sheet up side shifting, and jacking block overcomes the elastic force of spring toward upside
Move and touch the contact of microswitch, realize controlling the signal starting or disconnecting of microswitch, there is work and more may be used
The advantage leaned on, simultaneously this micro pressure induction apparatuss have the advantages that structure is simple and manufacturing cost is relatively low；
2nd, adjust the decrement of spring by adjusting screw, realize adjusting the pressure value setting, there is regulation more convenient
Advantage, by arrange pad, be easy to spacing to spring, have the advantages that simple and reliable for structure；
3rd, the lower end of spring is embedded in described annular groove, makes there is preferable locating effect between spring and jacking block,
Make the more reliable advantage of work.
Brief description
Fig. 1 is the perspective view of this micro pressure induction apparatuss.
Fig. 2 is the cross section structure diagram of this micro pressure induction apparatuss.
In figure, 1, housing；1a, base；1a1, annular convex；1b, switch base；1b1, resigning breach；1b2, annular convex shoulder；
1c, connection end；2nd, flexible sheet；2a, elastic convex body；3rd, jacking block；3a, annular groove；3b, positioning convex body；4th, spring；5th, fine motion
Switch；6th, adjusting screw；7th, pad；8th, pressed seat；8a, stator.
Specific embodiment
The following is specific embodiment of the utility model and combine accompanying drawing, the technical solution of the utility model is made further
Description, but this utility model is not limited to these embodiments.
As illustrated in fig. 1 and 2, micro pressure induction apparatuss, including housing 1, housing 1 includes opening up base 1a and consolidates
It is connected on the upside of base 1a and downward opening switch base 1b, housing 1 adopts base 1a and switch base 1b, there is structure simply and fill
Join conveniently advantage.The lateral wall of switch base 1b is provided with annular convex shoulder 1b2, the upper port edge lateral bending folding inside of base 1a
And be resisted against on annular convex shoulder 1b2, so that switch base 1b is fixedly connected with base 1a, have connect more firm and difficult for drop-off excellent
Point.The outside of base 1a is arranged with pressed seat 8, the stator 8a being symmetrically arranged on two with lateral bending folding outward of the lower end of pressed seat 8.
By arranging different pressed seats 8, enable this micro pressure induction apparatuss to use different positions, there is the scope of application wider
Advantage.
The lower end of base 1a is connection end 1c, and connection end 1c is provided with the through hole being connected with the cavity of housing 1, and through hole is inner
Place is provided with flexible sheet 2.It is provided with jacking block 3 and spring 4, the lower end of jacking block 3 is resisted against on flexible sheet 2, spring 4 in housing 1
One end be resisted against on jacking block 3, the threaded upper ends of switch base 1b are connected with adjusting screw 6, and the lower end of adjusting screw 6 is arranged with pad
Piece 7, the other end of spring 4 is resisted against the downside of pad 7.
Microswitch 5 is fixed with switch base 1b, microswitch 5 is located at the upside of jacking block 3, and the side of switch base 1b is provided with
Resigning breach 1b 1, the contact of microswitch 5 is located at resigning breach 1b1, and the contact of the side of jacking block 3 and fine motion quick closing valve is mutually just
Right, flexible sheet 2 can promote the contact moving and touching microswitch 5 on jacking block 3.
The upper end of jacking block 3 is provided with annular groove 3a, and the middle part of annular groove 3a is coaxially provided with positioning convex body 3b, spring 4
Lower end is embedded in described annular groove 3a, and positioning convex body 3b is inserted into the lower end inside of spring 4, makes between spring 4 and jacking block 3
There is preferable locating effect, make the more reliable advantage of work, and make to be formed between flexible sheet 2 and base 1a preferably close
Envelope, is not likely to produce leakage.
The lower surface of the cavity of base 1a is provided with annular convex 1a1, and flexible sheet 2 is rounded and its edge is equipped with elasticity
Convex body 2a, elastic convex body 2a is coaxially disposed with described annular convex 1a1, and the inner side of elastic convex body 2a is resisted against annular convex
The outside of 1a1, the lower end of switch base 1b is resisted against the upside of elastic convex body 2a.
When using, the connection end 1c of housing 1 is encased in the pipeline of water system.By the fluid media (medium) in pipeline
Promote flexible sheet 2 up side shifting, jacking block 3 overcomes the elastic force of spring 4 up side shifting touch the contact of microswitch 5,
Realize controlling the signal starting or disconnecting of microswitch 5, there is the more reliable advantage of work, this micro pressure sense simultaneously
Utensil is answered to have the advantages that structure is simple and manufacturing cost is relatively low.Adjust the decrement of spring 4 by adjusting screw 6, realize adjusting
The pressure value setting, has regulation conveniently advantage, by arranging pad 7, is easy to spacing to spring 4, has structure
Simple and reliable advantage.
Specific embodiment described herein is only explanation for example to this utility model spirit.This utility model institute
Belong to those skilled in the art described specific embodiment can be made with various modifications or supplement or using similar
Mode substitute, but without departing from of the present utility model spirit or surmount scope defined in appended claims.
Although more employing housing 1, base 1a, annular convex 1a1, switch base 1b, resigning breach 1b1, ring herein
Shape convex shoulder 1b2, connection end 1c, flexible sheet 2, elastic convex body 2a, jacking block 3, annular groove 3a, positioning convex body 3b, spring 4, micro-
The terms such as dynamic switch 5, adjusting screw 6, pad 7, pressed seat 8, stator 8a, but it is not precluded from the possibility using other terms
Property.It is used for the purpose of more easily describing and explaining essence of the present utility model using these terms；It is construed as any
A kind of additional restriction is all contrary with this utility model spirit.
Claims (9)
1. micro pressure induction apparatuss, including housing (1), the lower end of described housing (1) is connection end (1c), described connection end
(1c) it is provided with the through hole being connected with the cavity of housing (1), be provided with flexible sheet (2) at described through hole the inner, its feature exists
In being provided with jacking block (3) and spring (4) in described housing (1), the lower end of described jacking block (3) is resisted against described elasticity
On diaphragm (2), one end of described spring (4) is resisted against on described jacking block (3), the other end of described spring (4) against
Microswitch (5) is fixed with the upper end of the cavity of housing (1), described housing (1), described microswitch (5) is located at
The described upside of jacking block (3) and described flexible sheet (2) can promote and move on described jacking block (3) and touch microswitch
(5) contact.
2. micro pressure induction apparatuss according to claim 1 are it is characterised in that described housing (1) inclusion is opening up
Base (1a) and be connected on the upside of described base (1a) and downward opening switch base (1b), described microswitch
(5) it is connected on described switch base (1b), described connection end (1c) is arranged on the lower end of described base (1a), described
The other end of spring (4) is resisted against on described switch base (1b).
3. micro pressure induction apparatuss according to claim 2 are it is characterised in that the threaded upper ends of described switch base (1b)
It is connected with adjusting screw (6), the lower end of described adjusting screw (6) is arranged with pad (7), the other end of described spring (4)
It is resisted against the downside of described pad (7).
4. the micro pressure induction apparatuss according to claim 1 or 2 or 3 are it is characterised in that the upper end of described jacking block (3)
It is provided with annular groove (3a), the lower end of described spring (4) is embedded in described annular groove (3a).
5. micro pressure induction apparatuss according to claim 4 are it is characterised in that the middle part of described annular groove (3a) is same
Axle is provided with positioning convex body (3b), and described positioning convex body (3b) is inserted into the lower end of described spring (4).
6. the micro pressure induction apparatuss according to Claims 2 or 3 are it is characterised in that the outside of described switch base (1b)
Wall is provided with annular convex shoulder (1b2), and lateral bending is rolled over and is resisted against annular convex shoulder (1b2) inside at the upper port edge of described base (1a)
On.
7. the micro pressure induction apparatuss according to Claims 2 or 3 are it is characterised in that the side of described switch base (1b)
It is provided with resigning breach (1b1), the contact of described microswitch (5) is located at described resigning breach (1b1) place, described jacking block
(3) side is faced with the contact of described fine motion quick closing valve.
8. the micro pressure induction apparatuss according to Claims 2 or 3 are it is characterised in that the outer sheath of described base (1a)
It is provided with pressed seat (8), the stator (8a) being symmetrically arranged on two with lateral bending folding outward of the described lower end of pressed seat (8).
9. the micro pressure induction apparatuss according to Claims 2 or 3 are it is characterised in that the described cavity of base (1a)
Lower surface is provided with annular convex (1a1), and described flexible sheet (2) is rounded and its edge is equipped with elastic convex body (2a), institute
The elastic convex body (2a) stated is coaxially disposed with described annular convex (1a1), and the inner side of described elastic convex body (2a) is resisted against
The outside of described annular convex (1a1), the lower end of described switch base (1b) is resisted against the upper of described elastic convex body (2a)
Side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620974775.3U CN205919923U (en) | 2016-08-29 | 2016-08-29 | Miniature pressure sensors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620974775.3U CN205919923U (en) | 2016-08-29 | 2016-08-29 | Miniature pressure sensors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205919923U true CN205919923U (en) | 2017-02-01 |
Family
ID=57868959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620974775.3U Active CN205919923U (en) | 2016-08-29 | 2016-08-29 | Miniature pressure sensors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205919923U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107402089A (en) * | 2017-09-25 | 2017-11-28 | 无锡市凯丰压力表有限公司 | A kind of portable maintenance pressure gauge |
| CN109297629A (en) * | 2018-11-28 | 2019-02-01 | 利欧集团浙江泵业有限公司 | A kind of pressure sensitive device |
| CN110243530A (en) * | 2019-07-23 | 2019-09-17 | 浙江耀达智能科技股份有限公司 | A kind of novel pressure sensor |
| CN115306735A (en) * | 2022-07-11 | 2022-11-08 | 利欧集团浙江泵业有限公司 | Controller for starting and stopping water level of submersible pump |
-
2016
- 2016-08-29 CN CN201620974775.3U patent/CN205919923U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107402089A (en) * | 2017-09-25 | 2017-11-28 | 无锡市凯丰压力表有限公司 | A kind of portable maintenance pressure gauge |
| CN109297629A (en) * | 2018-11-28 | 2019-02-01 | 利欧集团浙江泵业有限公司 | A kind of pressure sensitive device |
| CN109297629B (en) * | 2018-11-28 | 2024-02-13 | 利欧集团浙江泵业有限公司 | Pressure sensing device |
| CN110243530A (en) * | 2019-07-23 | 2019-09-17 | 浙江耀达智能科技股份有限公司 | A kind of novel pressure sensor |
| CN115306735A (en) * | 2022-07-11 | 2022-11-08 | 利欧集团浙江泵业有限公司 | Controller for starting and stopping water level of submersible pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Wenling City, Taizhou City, Zhejiang province 317511 industrial town southeast of loose accumulation Patentee after: TAIZHOU YAODA INDUSTRY & TRADE CO., LTD. Address before: Wenling City, Taizhou City, Zhejiang province 317511 industrial town southeast of loose accumulation Patentee before: Taizhou Yaoda Trade Co., Ltd. |