CN204242944U - A kind of pressure switch - Google Patents
A kind of pressure switch Download PDFInfo
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- CN204242944U CN204242944U CN201420758164.6U CN201420758164U CN204242944U CN 204242944 U CN204242944 U CN 204242944U CN 201420758164 U CN201420758164 U CN 201420758164U CN 204242944 U CN204242944 U CN 204242944U
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- spring
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- fixed contact
- conductive reed
- limit fixed
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Abstract
The utility model discloses a kind of pressure switch, comprise pedestal and end cap, pedestal and end cap are connected to form installation cavity, the diaphragm unit that can move axially along installation cavity is provided with in installation cavity, pedestal is provided with the first conductive base pin and the second conductive base pin, one end that first conductive base pin is arranged in installation cavity is provided with upper limit fixed contact, lower limit fixed contact is provided with below upper limit fixed contact, second conductive base pin is provided with the conductive reed of moving contact, moving contact is between upper limit fixed contact and lower limit fixed contact, diaphragm unit is provided with STATEMENT OF FEDERALLY SPONSORED towards one end of conductive reed, pedestal offers the passage coaxially arranged with STATEMENT OF FEDERALLY SPONSORED, the spring abutted with conductive reed is provided with in passage, the other end that spring is connected with conductive reed is provided with adjusting rod, the end of adjusting rod is threaded with channel outlet.The utility model structure is simple, volume is little, can realize cut-offfing of two pressure spots, applies wider.
Description
Technical field
The utility model relates to a kind of switch, especially a kind of pressure switch be applied in industrial dust collector, automatic water pressure control.
Background technology
Pressure switch of the prior art, be mainly diaphragm type, it is primarily of pedestal, end cap, pedestal and end cap are connected to form installation cavity, the diaphragm unit that can move along its axis is provided with in installation cavity, pedestal is provided with conductive base pin, conductive base pin is provided with the conductive reed of moving contact, pedestal is provided with fixed contact, diaphragm unit by drive link and conductive reed affixed, pressure spring is provided with between conductive reed and pedestal, when diaphragm unit be subject to external force drive overcome the elastic force of pressure spring time, diaphragm unit generation axial displacement, and drive drive link to promote conductive reed to move towards fixed contact direction and make moving contact contact conducting with fixed contact, realize the conducting of pressure switch, reverse operating, then pressure switch disconnects.Due to this pressure switch of the prior art, be only provided with a pressure point value, can only realize being turned on or off of a value, pressure limit is little, and applicability is wideless.
Utility model content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of pressure switch, and this pressure switch can arrange two pressure spots, and can realize cut-offfing of two pressure spots, Stability Analysis of Structures, volume is little, two force value can be set according to concrete instructions for use, expand range of application.
To achieve these goals, the technical solution adopted in the utility model is: a kind of pressure switch, comprise pedestal and end cap, pedestal and end cap are connected to form installation cavity, the diaphragm unit that can move axially along installation cavity is provided with in installation cavity, it is characterized in that: described pedestal is provided with the first conductive base pin and the second conductive base pin, one end that first conductive base pin is arranged in installation cavity is provided with upper limit fixed contact, lower limit fixed contact is provided with below upper limit fixed contact, described second conductive base pin is provided with the conductive reed of moving contact, moving contact is between upper limit fixed contact and lower limit fixed contact, described diaphragm unit is provided with STATEMENT OF FEDERALLY SPONSORED towards one end of conductive reed, described pedestal offers the passage coaxially arranged with STATEMENT OF FEDERALLY SPONSORED, the spring abutted with conductive reed is provided with in passage, the other end that spring is connected with conductive reed is provided with adjusting rod, the end of adjusting rod is threaded with channel outlet.
In said structure, adjusting rod by with pedestal coordinate regulate conductive reed and upper limit fixed contact and and lower limit fixed contact between open distance, when this pressure switch needs for large pressure condition, initial condition makes spring compresses conductive reed by the lifting of adjusting rod moving contact to be contacted with fixed contact be in normally off, press down driving conductive reed drive moving contact away from upper limit fixed contact when diaphragm unit is stressed, realize cut-offfing function; When this pressure switch needs for little pressure condition, make spring compresses conductive reed by the lifting of adjusting rod and be in space between two fixed contacts, press down drive conductive reed to drive moving contact to move towards lower limit fixed contact and to be in contact with it when diaphragm unit is stressed, realize cut-offfing function.
As further setting of the present utility model, described diaphragm unit center is integrally extended with gangbar towards the end face of conductive reed, conductive reed is provided with the Connection Block with this gangbar adaptation, Connection Block is provided with the cavity with this gangbar adaptation, described spring one end is arranged on adjusting rod, and the spring other end is installed on Connection Block.
In said structure, diaphragm unit realizes transmission by gangbar and conductive reed and coordinates, more targeted when making it abut, and avoids loose contact problem.
As further setting of the present utility model, described Connection Block is installed on the middle-end of conductive reed, and cavity center line is in gangbar dead in line, the tapered structure of described Connection Block, the tip of described taper is towards spring side, described cavity is arranged on side, taper bottom surface, and described Connection Block outer wall offers cannelure, and described Connection Block is embedded in conductive reed by this cannelure.
In said structure, Connection Block is embedded on conductive reed, easy for installation, both played and coordinated corresponding effect better with gangbar, also play the effect of fixing spring, Connection Block is arranged on conductive reed middle-end simultaneously, and namely the active force of gangbar acts on this conductive reed middle-end, while making its uniform force, the moving contact of its end can action sensitiveer.
As further setting of the present utility model, the expanding reach that described passage comprises the female thread segment of tool, aperture and the deflation eck section of adjusting rod adaptation and is communicated with installation cavity, spring base is provided with in described expanding reach, spring base comprises the spring base substrate with this expanding reach diameter adaptation, spring base substrate has the rectangular-shaped spring base body with spring bores adaptation, spring base body has opening, this opening extends to spring base substrate, and described spring base is installed on adjusting rod by this opening.
In said structure, adjusting rod can be regulated by the cooperation of thread segment and open distance between this conductive reed and fixed contact, is coordinated with spring base by expanding reach, tightens eck and then coordinates with adjusting rod and play positioning action, more reasonable structure.
As further setting of the present utility model, described diaphragm unit comprises diaphragm, supporting seat, is also intervally distributed with reinforced sheet between diaphragm and supporting seat, and described STATEMENT OF FEDERALLY SPONSORED is arranged on supporting seat.
In said structure, diaphragm unit, by the setting of supporting seat and reinforced sheet, strengthens its bearing capacity, increases the service life.
Adopt such scheme, the utility model structure is simple, volume is little, can realize cut-offfing of two pressure spots, applies wider.
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing explanation
Accompanying drawing 1 is the utility model specific embodiment surface structure schematic diagram;
Accompanying drawing 2 is the utility model specific embodiment structural front view;
Accompanying drawing 3 is the utility model specific embodiment structure right view;
Accompanying drawing 4 is the utility model specific embodiment structure left view;
Accompanying drawing 5 is the utility model specific embodiment structure cutaway view;
Accompanying drawing 6 is the utility model specific embodiment circuit turn-on structural representation;
First conductive base pin 1, upper limit fixed contact 11, second conductive base pin 2, conductive reed 21, moving contact 22, Connection Block 23, cavity 231, lower limit fixed contact 24, lower contact 25, reference column 26, 3rd conductive base pin 3, pedestal 41, passage 411, thread segment 411a, tighten eck section 411b, expanding reach 411c, end cap 42, installation cavity 43, diaphragm 522, supporting seat 523, reinforced sheet 524, spring 6, spring base 61, spring base substrate 611, spring base body 612, opening 613, adjusting rod 7, gangbar 8.
Embodiment
Specific embodiment of the utility model is pressure switch as shown in figures 1 to 6, comprise pedestal 41 and end cap 42, pedestal 41 and end cap 42 are connected to form installation cavity 43, the diaphragm unit that can move axially along installation cavity 43 is provided with in installation cavity 43, pedestal 41 is provided with three conductive base pins: the first conductive base pin 1, second conductive base pin 2 and the 3rd conductive base pin 3, one end that above-mentioned first conductive base pin 1 is arranged in installation cavity 43 is provided with upper limit fixed contact 11, lower limit fixed contact 24 is provided with below upper limit fixed contact 11, lower limit fixed contact 24 is arranged on lower contact 25, lower contact 25 is arranged on installation cavity 43 sidewall, one end that its lower contact 25 is provided with lower limit fixed contact 24 is supported in installation cavity 43 bottom surface by reference column 26, second conductive base pin 2 is provided with the conductive reed 21 of moving contact 22, moving contact 22 is between upper limit fixed contact 11 and lower limit fixed contact 24, diaphragm unit is provided with STATEMENT OF FEDERALLY SPONSORED towards one end of conductive reed 21, pedestal 41 offers the passage 411 coaxially arranged with STATEMENT OF FEDERALLY SPONSORED, the spring 6 abutted with conductive reed 21 is provided with in passage 411, the other end that spring 6 is connected with conductive reed 21 is provided with adjusting rod 7, the end of adjusting rod 7 exports with passage 411 and is threaded.
Above-mentioned adjusting rod 7 by with pedestal 41 coordinate regulate conductive reed 21 and upper limit fixed contact 11 and and lower limit fixed contact 24 between open distance, when this pressure switch needs for large pressure condition, initial condition makes spring 6 press conductive reed 21 by the lifting of adjusting rod 7 moving contact 22 to be contacted with upper limit fixed contact 11 be in normally off, when diaphragm unit is stressed press down drive conductive reed 21 drive moving contact 22 away from upper limit fixed contact 11, realize cut-off function; When this pressure switch needs for little pressure condition, initial condition makes spring 6 press by the lifting of adjusting rod 7, and space that conductive reed 21 is between two fixed contacts 11,24 is in normally open, press down drive conductive reed 21 drive moving contact 22 to move towards lower limit fixed contact 24 and be in contact with it when diaphragm unit is stressed, realize cut-offfing function.
Above-mentioned diaphragm unit center is integrally extended with gangbar 8 towards the end face of conductive reed 21, conductive reed 21 is provided with the Connection Block 23 with this gangbar 8 adaptation, Connection Block 23 is provided with the cavity 231 with this gangbar 8 adaptation, spring 6 one end is arranged on adjusting rod 7, and spring 6 other end is installed on Connection Block 23.Diaphragm unit realizes transmission by gangbar 8 with conductive reed 21 and coordinates, more targeted when making it abut, and avoids loose contact problem.
Above-mentioned Connection Block 23 is installed on the middle-end of conductive reed 21, and cavity 231 center line is in gangbar 8 dead in line, the tapered structure of Connection Block 23, the tip of taper is towards spring 6 side, cavity 231 is arranged on side, taper bottom surface, Connection Block 23 outer wall offers cannelure, and Connection Block 23 is embedded in conductive reed 21 by this cannelure.Connection Block 23 is embedded on conductive reed 21, easy for installation, both played and coordinated corresponding effect better with gangbar 8, also play the effect of fixing spring 6 simultaneously, Connection Block 23 is arranged on conductive reed 21 middle-end, namely the active force of gangbar 8 acts on this conductive reed 21 middle-end, while making its uniform force, the moving contact 22 of its end can action sensitiveer.
The expanding reach 411c that above-mentioned passage 411 comprises the female thread segment 411a of tool, aperture and the deflation eck section 411b of adjusting rod 7 adaptation and is communicated with installation cavity 43, spring base 61 is provided with in expanding reach 411c, spring base 61 comprises the spring base substrate 611 with this expanding reach 411c diameter adaptation, spring base substrate 611 has the rectangular-shaped spring base body 612 with spring 6 endoporus adaptation, spring base body 612 has opening 613, this opening 613 extends to spring base substrate 611, and spring base 61 is installed on adjusting rod 7 by this opening 613.Adjusting rod 7 can regulate this conductive reed 21 by the cooperation of thread segment 411a and open distance up and down between fixed contact 11,24, is coordinated with spring base 61 by expanding reach 411c, and deflation eck section 411b then coordinates with adjusting rod 7 and plays positioning action, more reasonable structure.
Above-mentioned diaphragm unit comprises diaphragm 522, supporting seat 523, is also intervally distributed with reinforced sheet 524 between diaphragm 522 and supporting seat 523, and gangbar 8 is arranged on supporting seat 523.Diaphragm unit passes through the setting of supporting seat 523 and reinforced sheet 524, strengthens its bearing capacity, increases the service life.
The utility model structure is simple, volume is little, can realize cut-offfing of two pressure spots, applies wider.The utility model is not limited to above-mentioned embodiment; persons skilled in the art are content disclosed in the utility model; other multiple embodiments can be adopted to implement of the present utility model; or every employing project organization of the present utility model and thinking; do simple change or change, all fall into protection range of the present utility model.
Claims (5)
1. a pressure switch, comprise pedestal and end cap, pedestal and end cap are connected to form installation cavity, the diaphragm unit that can move axially along installation cavity is provided with in installation cavity, it is characterized in that: described pedestal is provided with the first conductive base pin and the second conductive base pin, one end that first conductive base pin is arranged in installation cavity is provided with upper limit fixed contact, lower limit fixed contact is provided with below upper limit fixed contact, described second conductive base pin is provided with the conductive reed of moving contact, moving contact is between upper limit fixed contact and lower limit fixed contact, described diaphragm unit is provided with STATEMENT OF FEDERALLY SPONSORED towards one end of conductive reed, described pedestal offers the passage coaxially arranged with STATEMENT OF FEDERALLY SPONSORED, the spring abutted with conductive reed is provided with in passage, the other end that spring is connected with conductive reed is provided with adjusting rod, the end of adjusting rod is threaded with channel outlet.
2. pressure switch according to claim 1, it is characterized in that: described diaphragm unit center is integrally extended with gangbar towards the end face of conductive reed, conductive reed is provided with the Connection Block with this gangbar adaptation, Connection Block is provided with the cavity with this gangbar adaptation, described spring one end is arranged on adjusting rod, and the spring other end is installed on Connection Block.
3. pressure switch according to claim 2, it is characterized in that: described Connection Block is installed on the middle-end of conductive reed, and cavity center line is in gangbar dead in line, the tapered structure of described Connection Block, the tip of described taper is towards spring side, described cavity is arranged on side, taper bottom surface, and described Connection Block outer wall offers cannelure, and described Connection Block is embedded in conductive reed by this cannelure.
4. pressure switch according to claim 2, it is characterized in that: the expanding reach that described passage comprises the female thread segment of tool, aperture and the deflation eck section of adjusting rod adaptation and is communicated with installation cavity, spring base is provided with in described expanding reach, spring base comprises the spring base substrate with this expanding reach diameter adaptation, spring base substrate has the rectangular-shaped spring base body with spring bores adaptation, spring base body has opening, this opening extends to spring base substrate, and described spring base is installed on adjusting rod by this opening.
5. the pressure switch according to claim 1-4 any one, is characterized in that: described diaphragm unit comprises diaphragm, supporting seat, is also intervally distributed with reinforced sheet between diaphragm and supporting seat, and described STATEMENT OF FEDERALLY SPONSORED is arranged on supporting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420758164.6U CN204242944U (en) | 2014-12-04 | 2014-12-04 | A kind of pressure switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420758164.6U CN204242944U (en) | 2014-12-04 | 2014-12-04 | A kind of pressure switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204242944U true CN204242944U (en) | 2015-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420758164.6U Active CN204242944U (en) | 2014-12-04 | 2014-12-04 | A kind of pressure switch |
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| Country | Link |
|---|---|
| CN (1) | CN204242944U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112652503A (en) * | 2019-10-10 | 2021-04-13 | 侯耀淞 | Differential pressure switch |
| WO2021114961A1 (en) * | 2019-12-12 | 2021-06-17 | 海信（山东）冰箱有限公司 | Refrigerator |
-
2014
- 2014-12-04 CN CN201420758164.6U patent/CN204242944U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112652503A (en) * | 2019-10-10 | 2021-04-13 | 侯耀淞 | Differential pressure switch |
| WO2021114961A1 (en) * | 2019-12-12 | 2021-06-17 | 海信（山东）冰箱有限公司 | Refrigerator |
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