CN104299803A - Pollution preventing pressure limit switch - Google Patents
Pollution preventing pressure limit switch Download PDFInfo
- Publication number
- CN104299803A CN104299803A CN201410580593.3A CN201410580593A CN104299803A CN 104299803 A CN104299803 A CN 104299803A CN 201410580593 A CN201410580593 A CN 201410580593A CN 104299803 A CN104299803 A CN 104299803A
- Authority
- CN
- China
- Prior art keywords
- fixed
- shell fragment
- contact
- elastic plate
- plate mechanism
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/16—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
- H01H5/04—Energy stored by deformation of elastic members
- H01H5/18—Energy stored by deformation of elastic members by flexing of blade springs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
- H01H2009/048—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings using a sealing boot, e.g. the casing having separate elastic body surrounding the operating member and hermetically closing the opening for it
Landscapes
- Switch Cases, Indication, And Locking (AREA)
- Connecting Device With Holders (AREA)
Abstract
A pollution preventing pressure limit switch is characterized by comprising a base provided with a cavity, a cover, a pipe barrel shaped connecting support, a porcelain bushing, a stressed spring piece, a fixed contact, a spring piece mechanism and an insulating column, wherein the porcelain bushing is in sleeving connection with the portion located in the cavity, of the pipe barrel shaped connecting support, the fixed contact and the spring piece mechanism are in sleeving connection with the portion located in the cavity, of the pipe barrel shaped connecting support, a porcelain ring is in sleeving connection with the pipe barrel shaped connecting support between the fixed contact and the spring piece mechanism, a boss is arranged on the cover, one end of the stressed spring piece is fixed to the boss, the insulating column penetrates through the cover, one end of the insulating column is connected to the stressed spring piece moved out of the boss, and the other end of the insulating column is connected to the spring piece mechanism. Compared with the prior art, the pollution preventing pressure limit switch has the advantage of being capable of preventing an outside environment from being polluted.
Description
Technical field:
The present invention relates to a kind of pressure control switch.
Background technology:
Existing pressure stroke switch, its internal structure is all unlimited, during work, is easily subject to the erosion of external environmental, and causes electric shock loose contact.Along with the development of intelligent appliance, the extensive use that PC controls, controlling current requirements is all weak current, and switch electric shock loose contact is significant to weak current, causes controlling malfunctioning.
Summary of the invention:
Goal of the invention of the present invention is to provide a kind of anti-pollution pressure stroke switch that can prevent external environmental.
The present invention realizes like this, comprise the base with cavity volume, be fixed on the lid on cavity volume mouth, the socket shape connection bracket that cross-under is fixed on base and covers, insulator, compression spring sheet, with the fixed contact of connecting ear and contact, with the elastic plate mechanism of connecting ear and contact, insulated column, insulator is socketed in and is positioned in the part socket shape connection bracket of cavity volume, fixed contact, elastic plate mechanism is socketed in the part tubular connection bracket in cavity volume, fixed contact, tubular connection bracket between elastic plate mechanism is socketed with porcelain ring, the connecting ear of elastic plate mechanism and the connecting ear of fixed contact pass outside base, be provided with boss covering, wherein one end of compression spring sheet is fixed on boss, insulated column is through lid, wherein one end of insulated column is connected on the compression spring sheet of blowing out outside boss, the other end of insulated column is connected on elastic plate mechanism, the contact of fixed contact often contacts with the contact of elastic plate mechanism.During use, the present invention is fixed on pressure electric appliance, the free end of pressurized shell fragment leans against at the bottom of pressure cooker, along with the pressure increase of pressure cooker, the bottom of a pan dilatancy, pressurized shell fragment is driven to move, and then drive insulated column to move down, press down elastic plate mechanism, contact on elastic plate mechanism is separated with the contact in fixed contact, thus reach the effect of pressure stroke switch, by the enclosure space that is enclosed in the elastic plate mechanism of contact and fixed contact between base cavity volume and lid, thus prevent the pollution being subject to external environment with the elastic plate mechanism of contact and fixed contact.
The free end of compression spring sheet is fixed with nut, in nut, is connected with pressure experience holder.Like this, by regulating the position of pressure experience holder in nut to regulate pressure stroke.
Elastic plate mechanism comprises lower openning shape shell fragment, spacer in the middle of on the inside edge that medial extremity is fixedly connected on the mouth of lower openning shape shell fragment, be positioned at the upper openning shape shell fragment above lower openning shape shell fragment, lower openning shape shell fragment outboard end is step-like, the outboard end of upper openning shape shell fragment is fixed on the outboard end of lower openning shape shell fragment, the contact of elastic plate mechanism is arranged on the medial extremity of openning shape shell fragment, the outboard end of interfix sheet up bends, the inside edge of the mouth of upper openning shape shell fragment is fixedly connected with bow-shaped shrapnel, the free end of bow-shaped shrapnel is positioned on the outboard end of interfix sheet, the insulated column other end is connected on the outboard end of openning shape shell fragment.
On base immediately below bow-shaped shrapnel, cross-under is fixed with nut, is connected with set screw in nut, like this, regulates the flexible size of elastic plate mechanism to regulate pressure stroke by regulating set screw.
On base immediately below contact, screw thread cross-under has screw, and the termination of screw passes the top of interfix sheet.By the displacement stroke that the distance between set screw termination and contact regulates the contact on elastic plate mechanism again to connect with the contact of fixed contact.
Compared with the prior art the present invention, has the advantage that can prevent external environmental.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the embodiment of the present invention 1;
Fig. 2 is the vertical view of shell fragment part;
Fig. 3 is the vertical view of Fig. 1.
Embodiment:
Now in conjunction with the accompanying drawings and embodiments the present invention is described in further detail:
Embodiment 1: as Fig. 1, shown in 3, the material that the present invention includes with cavity volume 19 is the base 8 of bakelite (temperature resistant plastic), the material be fixed on cavity volume 19 mouthfuls is the lid 1 of bakelite (temperature resistant plastic), cross-under is fixed on the socket shape connection bracket 2 on base 8 and lid 1, insulator 3, compression spring sheet 12, with the fixed contact 7 of connecting ear 20 and contact 15, with the elastic plate mechanism 9 of connecting ear 21 and contact 16, insulated column 11, insulator 3 is socketed in and is positioned in the part socket shape connection bracket 2 of cavity volume 19, fixed contact 7, elastic plate mechanism 9 is socketed in the part tubular connection bracket 2 in cavity volume 19, fixed contact 7, tubular connection bracket 2 between elastic plate mechanism 9 is socketed with porcelain ring 6, the connecting ear 21 of elastic plate mechanism 9 and the connecting ear 20 of fixed contact 7 pass outside base 8, lid 1 is provided with boss 22, wherein one end of compression spring sheet 12 is fixed on boss 22, insulated column 11 is through lid 8, wherein one end of insulated column 11 is connected on the compression spring sheet 12 of blowing out outside boss 22, the other end of insulated column 11 is connected on elastic plate mechanism 9, the contact 15 of fixed contact 7 often contacts with the contact 16 of elastic plate mechanism 9.
The free end of compression spring sheet 12 is fixed with nut 13, in nut 13, is connected with pressure experience holder 14.
Copper elastic plate mechanism 9 comprises lower openning shape shell fragment 9a, spacer 9b in the middle of on the inside edge that medial extremity is fixedly connected on the mouth 9a1 of lower openning shape shell fragment 9a, be positioned at the upper openning shape shell fragment 9c above lower openning shape shell fragment 9a, lower openning shape shell fragment 9a outboard end is step-like, the outboard end of upper openning shape shell fragment 9c is fixed on the outboard end of lower openning shape shell fragment 9a, the contact 16 of elastic plate mechanism 9 is arranged on the medial extremity of openning shape shell fragment 9c, the outboard end of interfix sheet 9b up bends, the inside edge of the mouth 9c1 of upper openning shape shell fragment 9c is fixedly connected with openning shape shell fragment 9c on bow-shaped shrapnel 9d(, bow-shaped shrapnel 9d with copper sheet overall processing out), the free end of bow-shaped shrapnel 9d injects the perforation 9f on the outboard end of interfix sheet 9b by the lug 9e protruding from the edge of the free end of bow-shaped shrapnel 9d and is positioned on the outboard end of interfix sheet 9b, insulated column 11 other end is connected on the outboard end of openning shape shell fragment 9c.
The medial extremity that the connecting ear 21 of elastic plate mechanism 9 is provided with dull and stereotyped 4, the lower openning shape shell fragment 9a of elastic plate mechanism 9 stick together with dull and stereotyped 4 and cross-under on insulator 3.
On base 8 immediately below bow-shaped shrapnel 9d, cross-under is fixed with nut 23, is connected with the set screw 18 of insulation in nut 23.
On base 8 immediately below contact 16, screw thread cross-under has the screw 17 of insulation.
Socket shape connection bracket 2 is through boss 22 and compression spring sheet 12 is fixed on boss 22 by the mode passing through to rivet, and, is fixed on base 8 by lid 1 meanwhile.
The both sides of lid 1 are provided with wall 24 near the sidewall of the cavity volume 19 of base 8, and wall 24 is pressed in fixed contact 7 and fixed contact 7 is located.
Claims (9)
1. an anti-pollution pressure stroke switch, it is characterized in that comprising the base with cavity volume, be fixed on the lid on cavity volume mouth, the socket shape connection bracket that cross-under is fixed on base and covers, insulator, compression spring sheet, with the fixed contact of connecting ear and contact, with the elastic plate mechanism of connecting ear and contact, insulated column, insulator is socketed in and is positioned in the part socket shape connection bracket of cavity volume, fixed contact, elastic plate mechanism is socketed in the part tubular connection bracket in cavity volume, fixed contact, tubular connection bracket between elastic plate mechanism is socketed with porcelain ring, the connecting ear of elastic plate mechanism and the connecting ear of fixed contact pass outside base, be provided with boss covering, wherein one end of compression spring sheet is fixed on boss, insulated column is through lid, wherein one end of insulated column is connected on the compression spring sheet of blowing out outside boss, the other end of insulated column is connected on elastic plate mechanism, the contact of fixed contact often contacts with the contact of elastic plate mechanism.
2. the anti-pollution pressure stroke switch of one according to claim 1, it is characterized in that elastic plate mechanism comprises lower openning shape shell fragment, spacer in the middle of on the inside edge that medial extremity is fixedly connected on the mouth of lower openning shape shell fragment, be positioned at the upper openning shape shell fragment above lower openning shape shell fragment, lower openning shape shell fragment outboard end is step-like, the outboard end of upper openning shape shell fragment is fixed on the outboard end of lower openning shape shell fragment, the contact of elastic plate mechanism is arranged on the medial extremity of openning shape shell fragment, the outboard end of interfix sheet up bends, the inside edge of the mouth of upper openning shape shell fragment is fixedly connected with bow-shaped shrapnel, the free end of bow-shaped shrapnel is positioned on the outboard end of interfix sheet, the insulated column other end is connected on the outboard end of openning shape shell fragment.
3. the anti-pollution pressure stroke switch of one according to claim 2, is characterized in that on the base immediately below bow-shaped shrapnel, cross-under is fixed with nut, is connected with set screw in nut.
4. the anti-pollution pressure stroke switch of the one according to Claims 2 or 3, it is characterized in that on the base immediately below contact, screw thread cross-under has screw, the termination of screw passes the top of interfix sheet.
5. the anti-pollution pressure stroke switch of one according to claim 1 or 2 or 3, is characterized in that being fixed with nut on the free end of compression spring sheet, is connected with pressure experience holder in nut.
6. the anti-pollution pressure stroke switch of one according to claim 4, is characterized in that being fixed with nut on the free end of compression spring sheet, is connected with pressure experience holder in nut.
7. the anti-pollution pressure stroke switch of one according to claim 1 or 2 or 3 or 6, is characterized in that compression spring sheet is also fixed on boss by the mode of riveted joint through boss by socket shape connection bracket, is fixed on base by lid meanwhile.
8. the anti-pollution pressure stroke switch of one according to claim 1 or 2 or 3 or 6, it is characterized in that the both sides of lid are provided with wall near the sidewall of the cavity volume of base, fixed contact is located by wall pressure in fixed contact.
9. the anti-pollution pressure stroke switch of one according to claim 7, it is characterized in that the both sides of lid are provided with wall near the sidewall of the cavity volume of base, fixed contact is located by wall pressure in fixed contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410580593.3A CN104299803B (en) | 2014-10-27 | 2014-10-27 | A kind of anti-pollution pressure stroke switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410580593.3A CN104299803B (en) | 2014-10-27 | 2014-10-27 | A kind of anti-pollution pressure stroke switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104299803A true CN104299803A (en) | 2015-01-21 |
| CN104299803B CN104299803B (en) | 2016-07-06 |
Family
ID=52319488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410580593.3A Active CN104299803B (en) | 2014-10-27 | 2014-10-27 | A kind of anti-pollution pressure stroke switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104299803B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104465216A (en) * | 2014-12-10 | 2015-03-25 | 郭启强 | Pressure travel switch working in airtight mode |
| CN104485239A (en) * | 2014-12-10 | 2015-04-01 | 郭启强 | Anti-pollution pressure stroke switch |
| CN109148183A (en) * | 2018-11-07 | 2019-01-04 | 佛山市利安达电器有限公司 | A kind of double-pressure travel switch |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4325030A1 (en) * | 1993-07-26 | 1995-02-02 | Siemens Ag | Switch for current limiting |
| CN102751137A (en) * | 2012-07-21 | 2012-10-24 | 佛山市利安达电器有限公司 | Abreast double pressure travel switch |
| CN102751136A (en) * | 2012-07-10 | 2012-10-24 | 佛山市利安达电器有限公司 | Double-pressure travel switch |
| CN103456564A (en) * | 2013-09-12 | 2013-12-18 | 佛山市利安达电器有限公司 | Pressure travel switch |
-
2014
- 2014-10-27 CN CN201410580593.3A patent/CN104299803B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4325030A1 (en) * | 1993-07-26 | 1995-02-02 | Siemens Ag | Switch for current limiting |
| CN102751136A (en) * | 2012-07-10 | 2012-10-24 | 佛山市利安达电器有限公司 | Double-pressure travel switch |
| CN102751137A (en) * | 2012-07-21 | 2012-10-24 | 佛山市利安达电器有限公司 | Abreast double pressure travel switch |
| CN103456564A (en) * | 2013-09-12 | 2013-12-18 | 佛山市利安达电器有限公司 | Pressure travel switch |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104465216A (en) * | 2014-12-10 | 2015-03-25 | 郭启强 | Pressure travel switch working in airtight mode |
| CN104485239A (en) * | 2014-12-10 | 2015-04-01 | 郭启强 | Anti-pollution pressure stroke switch |
| CN104485239B (en) * | 2014-12-10 | 2016-06-08 | 郭启强 | A kind of anti-pollution pressure stroke switch |
| CN109148183A (en) * | 2018-11-07 | 2019-01-04 | 佛山市利安达电器有限公司 | A kind of double-pressure travel switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104299803B (en) | 2016-07-06 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |