CN205264601U - Air pressure protection switch - Google Patents
Air pressure protection switch Download PDFInfo
- Publication number
- CN205264601U CN205264601U CN201520858997.4U CN201520858997U CN205264601U CN 205264601 U CN205264601 U CN 205264601U CN 201520858997 U CN201520858997 U CN 201520858997U CN 205264601 U CN205264601 U CN 205264601U
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- air chamber
- housing
- contact chip
- protection switch
- conducting strip
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Abstract
The utility model discloses an air pressure protection switch, including casing, flexible interlayer, flexible interlayer separates the casing for first air chamber and second air chamber, flexible interlayer is located first air chamber one side and is equipped with the contact piece, be equipped with two conducting strips with contact piece matched with in the first air chamber, a sealing gas room for having certain atmospheric pressure in first air chamber and the second air chamber, when first air chamber during for the sealing gas room that has certain atmospheric pressure, the second air chamber is equipped with and is used for the opening be connected with other equipment, works as the second air chamber is during for the sealing gas room that has certain atmospheric pressure, first air chamber is equipped with and is used for the opening be connected with other equipment, when the pressure of first air chamber was less than the pressure of second air chamber, the conducting strip touched with the contact piece mutually, the circuit intercommunication, and when the pressure of first air chamber is greater than the pressure of second air chamber, conducting strip and contact piece separation, circuit disconnection. The utility model has the advantages of simple structure, low in manufacturing cost is honest and clean, stability good.
Description
Technical field
The utility model relates to a kind of air pressure protection switch, be specifically related to a kind of simple in structure, systemMake with low cost, the air pressure protection switch of good stability.
Background technology
Pressure switch is the device combining with electric switch, in the time arriving predefined fluid pressure,Make and break contact action. When system internal pressure is during higher or lower than specified safe pressure, dish in inductorSheet is instantaneous to be moved, be switched on or switched off by connecting guide rod pull switch joint, when Pressure Drop to orWhile rising specified recovery value, video disc wink resets, and switch automatically resets, or is briefly when testedWhen pressure overrate, the free end of flexible member produces displacement, directly or after relatively promotesSwitch element, the on off operating mode of change switch element, reaches and controls by the object of measuring pressure. Pressure is openedClose the flexible member adopting and have single-coil spring pipe, diaphragm, bellows and bellows etc. At present, on the marketAir pressure protection switch all kinds of electronic components and the flexible members of adopting more combine, and contain moreSpring, its complex structure, manufacturing cost is higher. Spring error is larger, causes air pressure protection to be openedThe less stable of closing.
Utility model content
The utility model is for the disappearance of prior art existence, and its main purpose is to provide a kind of structure letterSingle, cheap for manufacturing cost, the air pressure protection switch of good stability.
For reaching above-mentioned purpose, the utility model adopts following technical scheme:
A kind of air pressure protection switch, comprises housing, flexible barrier, and described flexible barrier is by housingBe divided into the first air chamber and the second air chamber, the side that described flexible barrier is positioned at the first air chamber is provided with contactSheet, is provided with two conducting strips that match with contact chip in described the first air chamber; Described the first air chamber andOne in the second air chamber for having the sealed air chamber of certain air pressure, when the first air chamber is for having certain gasPress sealed air chamber time, described the second air chamber be provided with for the opening of other equipment connections, when describedThe second air chamber is while having the sealed air chamber of certain air pressure, and described the first air chamber is provided with for establishing with otherThe standby opening connecting; In the time that the pressure of the first air chamber is less than the pressure of the second air chamber, conducting strip with contactSheet mutually touch, circuit communication, in the time that the pressure of the first air chamber is greater than the pressure of the second air chamber, conducting strip withContact chip separates, and circuit disconnects.
As a kind of preferred version, described housing is formed by connecting by the first housing and the second housing, described inThe first housing is provided with annular locating slot, and described the second housing is provided with the ring matching with locating slotThe positioning convex of shape, described the second housing embeds locating slot and the first housing by annular positioning convexCouple together.
As a kind of preferred version, described flexible barrier is arranged with annular spacing preiection outward, and describedOne housing is provided with the limited impression corresponding with spacing preiection, flexible barrier with the junction of the second housingEmbed in limited impression and be fixed on housing by spacing preiection.
As a kind of preferred version, described flexible barrier middle part is provided with fixed platform, described fixed platformBe provided with tree-shaped projection, described contact chip is provided with the positioning through hole matching with projection, and contact chip is logicalCrossing positioning through hole snaps in projection and is fixed in fixed platform.
As a kind of preferred version, described fixed platform outer is arranged with annular distortion groove.
As a kind of preferred version, described flexible barrier is to be made by rubber or silica gel.
As a kind of preferred version, described sealed air chamber is provided with inflation inlet.
As a kind of preferred version, one end of described conducting strip is positioned at the first air chamber, and the other end is positioned atOutside housing, and conducting strip is positioned at the outer side of housing and is provided with electrical wire wiring mouth.
As a kind of preferred version, described contact chip is provided with columned contact chip electric shock point, described inConducting strip is provided with contact chip and gets an electric shock and select the conducting strip electric shock point matching, described contact chip and conducting stripThe contact chip that was connected get an electric shock and select and the conducting strip point tactile realization mutually of getting an electric shock.
The utility model is divided into the first air chamber and the second air chamber by employing flexible barrier by housing, andSet the Ge Shi sealed air chamber in 2 air chambers, another air chamber and other equipment connections, pass through blanket gasThe pressure comparison of chamber and non-tight air chamber is realized the switch control to circuit. Compared with prior art,There is following advantage and advantage: 1, in structure of the present utility model, do not contain complex electronics, aobviousMust be simpler, manufacturing cost is more cheap, is more conducive to realize large-scale production; 2, this practicality is newType adopts the flexible barrier of being made by rubber or silica gel as flexible member, compared with traditional spring,The flexible barrier of being made up of rubber or silica gel has better stability, and indefatigability, can grow timeBetween keep stable restoring force, error is little, makes air pressure protection switch can keep for a long time steadyFixed duty, ensures the normal operation of equipment; 3, the utility model does not have mechanical wear, usesLife-span is long, and reliable working performance.
For more clearly set forth architectural feature of the present utility model, technological means and reach concreteObject and function, come the utility model to do further to say in detail below in conjunction with accompanying drawing and specific embodimentBright:
Brief description of the drawings
Fig. 1 is the exemplary construction sectional view of the utility model;
Fig. 2 is the case decomposition structural representation of the utility model;
Fig. 3 is the structure for amplifying schematic diagram of contact chip and conducting strip in the utility model;
Fig. 4 is another exemplary construction sectional view of the utility model.
Accompanying drawing identifier declaration:
10-the first housing, 11-locating slot, 12-opening 20-the second housing, 21-positioning convex, 22-Inflation inlet, 23-opening, 30-flexible barrier, 31-spacing preiection, 32-fixed platform, 33-projection,34-is out of shape groove, 40-the first air chamber, and 50-the second air chamber, 60-contact chip, 61-contact chip electric shock point,62-positioning through hole, 70-conducting strip, 71-conducting strip electric shock point, 72-electrical wire wiring mouth.
Detailed description of the invention
As shown in Figure 1, 2, a kind of air pressure protection switch comprises housing, flexible barrier 30, described inHousing is divided into the first air chamber 40 and the second air chamber 50,30 of described flexible barriers by flexible barrier 30A side in the first air chamber 40 is provided with contact chip 60, in described the first air chamber 40, is provided with and contact chip 60Two conducting strips 70 that match. One end of described conducting strip 70 is positioned at the first air chamber 40, anotherEnd is positioned at outside housing, and conducting strip 70 is positioned at the outer side of housing and is provided with electrical wire wiring mouth 72. By electricityLine connection jaws 72, air pressure protection switch and circuit communication. The second air chamber 50 is for having certain air pressureSealed air chamber, described the first air chamber 40 be provided with for the opening 12 of other equipment connections. Described closeEnvelope air chamber is provided with inflation inlet 22. Gas is filled with air chamber by inflation inlet 52, when the force value in air chamber reachesAfter certain, seal inflation inlet, form the sealed air chamber with certain air pressure.
Described housing is formed by connecting by the first housing 10 and the second housing 20, on described the first housing 10Be provided with annular locating slot 11, described the second housing 20 is provided with the annular matching with locating slot 11Positioning convex 21, described the second housing 20 by annular positioning convex 21 embed locating slot 11 withThe first housing 10 couples together. The outer annular spacing preiection 31, institute of being arranged with of described flexible barrier 30The junction of stating the first housing 10 and the second housing 20 is provided with corresponding with spacing preiection 31 spacing recessedGroove, flexible barrier 30 is embedded in limited impression and is fixed on housing by spacing preiection 31. Described softProperty interlayer 30 middle parts are provided with fixed platform 32, and described fixed platform 32 is provided with tree-shaped projection 33,Described contact chip 60 is provided with the positioning through hole 62 matching with projection 33, and contact chip 60 leads to by locationHole 62 snaps in projection 33 and is fixed in fixed platform 32. The outer of described fixed platform 32 is arranged withThe distortion groove 34 of annular. Described flexible barrier 30 is to be made by rubber or silica gel, described flexibilityInterlayer 30 has better stability, and indefatigability, can keep for a long time stable restoring force,Error is little, makes air pressure protection switch can keep for a long time stable duty, ensures to establishStandby normal operation.
As shown in Figure 3, described contact chip 60 is provided with the columned contact chip point 61 that gets an electric shock, described in leadElectricity sheet 70 is provided with contact chip and gets an electric shock and select the 61 conducting strips electric shock points 71 that match, described contact chip 60Select 61 with the contact chip electric shock that was connected of conducting strip 70 and touch mutually realization with conducting strip electric shock point 71.
Operation principle of the present utility model is: when the pressure of the first air chamber 40 is less than second air chamber 50When pressure, conducting strip 70 and contact chip 60 touch mutually, circuit communication, when the pressure of the first air chamber 40 largeIn the time of the pressure of the second air chamber 50, conducting strip 70 separates with contact chip 60, and circuit disconnects. This enforcementExample is applicable to protect charger and air-extractor, but is not limited to this.
As shown in Figure 4 be another embodiment of the present utility model, its from above-described embodiment different itBe in: described the first air chamber 40 is for having the sealed air chamber of certain air pressure, described the second air chamber 50Be provided with for the opening 23 of other equipment connections. The present embodiment is applicable to protect water-bed apparatus for work,But be not limited to this.
The above, be only preferred embodiment of the present utility model, not in order to limit this practicalityNovel, therefore any amendment that every foundation technology reality of the present utility model is done above embodiment,Be equal to replacement, improvement etc., all still belong in the scope of technical solutions of the utility model.
Claims (9)
1. an air pressure protection switch, it is characterized in that: comprise housing, flexible barrier, housing is divided into the first air chamber and the second air chamber by described flexible barrier, the side that described flexible barrier is positioned at the first air chamber is provided with contact chip, is provided with two conducting strips that match with contact chip in described the first air chamber; One in described the first air chamber and the second air chamber for having the sealed air chamber of certain air pressure, when the first air chamber is while having the sealed air chamber of certain air pressure, described the second air chamber be provided with for the opening of other equipment connections, when described the second air chamber is while having the sealed air chamber of certain air pressure, described the first air chamber be provided with for the opening of other equipment connections; In the time that the pressure of the first air chamber is less than the pressure of the second air chamber, conducting strip touches mutually with contact chip, circuit communication, and in the time that the pressure of the first air chamber is greater than the pressure of the second air chamber, conducting strip separates with contact chip, and circuit disconnects.
2. air pressure protection switch according to claim 1; it is characterized in that: described housing is formed by connecting by the first housing and the second housing; described the first housing is provided with annular locating slot; described the second housing is provided with the annular positioning convex matching with locating slot, and described the second housing embeds locating slot by annular positioning convex and the first housing couples together.
3. air pressure protection switch according to claim 2; it is characterized in that: described flexible barrier is arranged with annular spacing preiection outward; described the first housing is provided with the limited impression corresponding with spacing preiection with the junction of the second housing, and flexible barrier is embedded in limited impression and is fixed on housing by spacing preiection.
4. air pressure protection switch according to claim 3; it is characterized in that: described flexible barrier middle part is provided with fixed platform; described fixed platform is provided with tree-shaped projection; described contact chip is provided with the positioning through hole matching with projection, and contact chip is snapped in positioning through hole and is fixed in fixed platform by projection.
5. air pressure protection switch according to claim 4, is characterized in that: described fixed platform outer is arranged with annular distortion groove.
6. air pressure protection switch according to claim 1, is characterized in that: described flexible barrier is to be made by rubber or silica gel.
7. air pressure protection switch according to claim 1, is characterized in that: described sealed air chamber is provided with inflation inlet.
8. air pressure protection switch according to claim 1, is characterized in that: one end of described conducting strip is positioned at the first air chamber, and the other end is positioned at outside housing, and conducting strip is positioned at the outer side of housing and is provided with electrical wire wiring mouth.
9. air pressure protection switch according to claim 8; it is characterized in that: described contact chip is provided with columned contact chip electric shock point; described conducting strip is provided with contact chip and gets an electric shock and select the conducting strip electric shock point matching, and described contact chip gets an electric shock to select with conducting strip electric shock point with the contact chip that was connected of conducting strip and touches and realize mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520858997.4U CN205264601U (en) | 2015-10-30 | 2015-10-30 | Air pressure protection switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520858997.4U CN205264601U (en) | 2015-10-30 | 2015-10-30 | Air pressure protection switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205264601U true CN205264601U (en) | 2016-05-25 |
Family
ID=56006116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520858997.4U Active CN205264601U (en) | 2015-10-30 | 2015-10-30 | Air pressure protection switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205264601U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105244226A (en) * | 2015-10-30 | 2016-01-13 | 深圳市华泽电气有限公司 | Air pressure protection switch |
| CN109044017A (en) * | 2018-07-20 | 2018-12-21 | 渝新智能科技（上海）有限公司 | A kind of pillow for the sleep that makes for good health |
| CN110476219A (en) * | 2017-02-14 | 2019-11-19 | 株式会社生方制作所 | Pressure switch and closed type electromotive compressor |
-
2015
- 2015-10-30 CN CN201520858997.4U patent/CN205264601U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105244226A (en) * | 2015-10-30 | 2016-01-13 | 深圳市华泽电气有限公司 | Air pressure protection switch |
| CN110476219A (en) * | 2017-02-14 | 2019-11-19 | 株式会社生方制作所 | Pressure switch and closed type electromotive compressor |
| CN109044017A (en) * | 2018-07-20 | 2018-12-21 | 渝新智能科技（上海）有限公司 | A kind of pillow for the sleep that makes for good health |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |