CN212010848U - Two-state pressure switch - Google Patents
Two-state pressure switch Download PDFInfo
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- CN212010848U CN212010848U CN202020756689.1U CN202020756689U CN212010848U CN 212010848 U CN212010848 U CN 212010848U CN 202020756689 U CN202020756689 U CN 202020756689U CN 212010848 U CN212010848 U CN 212010848U
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- pressure
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- movably connected
- swing joint
- diaphragm
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Abstract
The utility model relates to a two attitude pressure switch, constitute including aluminium joint and the shell of moulding, aluminium joint and the shell fixed connection of moulding, mould shell upper end swing joint has the polyimide diaphragm, mould shell and high-pressure seat swing joint, high-pressure seat and high-pressure elasticity piece swing joint, the middle-end part swing joint of high-pressure seat and low-pressure diaphragm, the both ends of low-pressure diaphragm and lower aluminium joint swing joint, the lower extreme and the low-pressure elasticity piece swing joint of high-pressure seat, the center and the ejector pin swing joint of high-pressure seat, ejector pin and high-pressure elasticity piece swing joint, be provided with the inlet port on the aluminium joint, the utility model discloses a come accurate control through high-low pressure diaphragm and high-low pressure elasticity piece and open and closed.
Description
Technical Field
The utility model relates to a pressure switch technical field, especially a two-state pressure switch.
Background
The pressure switch controls the switch to be closed or opened according to different pressure difference values generated by different air pressures among the components and by means of information transmission of electric signals, when the pressure in the system is higher than or lower than the rated safe pressure, the disc in the inductor instantaneously moves, the switch joint is pushed to be switched on or off by the connecting guide rod, and when the pressure is reduced to or increased to the rated recovery value, the disc is instantaneously reset, and the switch is automatically reset.
The national intellectual property office of the people's republic of China publishes a utility model about a pressure switch, and the authorized public number of the utility model is: CN 208848825Y, be equipped with the intake pipe of intercommunication on the first cavity, be equipped with the pressure regulating part of liftable on the casing, still include the elastic component, elastic component one end is supported and is pressed pressure regulating part bottom, the other end is right downwards the diaphragm application of force, the diaphragm bottom is equipped with the current conducting plate that the linkage is connected, the casing outer wall is equipped with two contact pins, two contact pin one end stretches into in the second cavity with the current conducting plate corresponds the setting, and this utility model discloses opening and being closed of the different atmospheric pressure switch of regulation that can not be meticulous.
Disclosure of Invention
The utility model discloses the technical problem that needs to solve provides can be according to the accurate regulation of different atmospheric pressure to stable in structure's a two state pressure switch.
For solving foretell technical problem, the utility model provides a two attitude pressure switch, constitute with moulding the shell including the aluminium joint, mould shell upper end swing joint has the polyimide diaphragm, mould shell and high-pressure seat swing joint, high-pressure seat and high-pressure flexure strip swing joint, the middle-end part swing joint of high-pressure seat and low pressure diaphragm, the both ends of low pressure diaphragm and mould shell swing joint, the lower extreme and the low pressure flexure strip swing joint of high-pressure seat, the center and the ejector pin swing joint of high-pressure seat, ejector pin and high-pressure flexure strip swing joint, be provided with the inlet duct hole on the aluminium joint.
Furthermore, a first through hole is formed in the low-voltage elastic sheet, the ejector rod penetrates through the first through hole, an upper silver point is fixedly connected to the right end of the low-voltage elastic sheet, and a lower silver point is fixedly connected to the right end of the high-voltage elastic sheet.
Furthermore, the right end of the low-voltage elastic sheet is fixedly connected with the low-voltage pin, the left end of the high-voltage elastic sheet is fixedly connected with the high-voltage pin, and the high-voltage pin is fixedly connected with the bottom of the inner side of the plastic shell.
Furthermore, the sealing ring (4) of the aluminum joint (1) is movably connected.
Compared with the prior art after adopting the structure, the utility model discloses a high low pressure diaphragm and high low pressure flexure strip come accurate control to open and be closed.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of a two-state pressure switch.
Fig. 2 is a top view of a two-state pressure switch.
Fig. 3 is a schematic structural view of the low-pressure elastic sheet.
In the figure: the structure comprises an aluminum joint 1, a plastic shell 2, an air inlet pipe hole 3, a sealing ring 4, a polyimide membrane 5, a low-pressure membrane 6, a low-pressure elastic sheet 7, a high-pressure elastic sheet 8, a high-pressure membrane 9, a high-pressure seat 10, a mandril 11, an upper silver point 12, a lower silver point 13, a high-pressure pin 14, a low-pressure pin 15 and a first through hole 16.
Detailed Description
As shown in fig. 1 and 2, the utility model relates to a two-state pressure switch, which comprises an aluminum connector 1 and a plastic shell 2, wherein the aluminum connector 1 is fixedly connected with the plastic shell 2, the upper end of the plastic shell 2 is movably connected with a polyimide diaphragm 5, the plastic shell 2 is movably connected with a high-pressure seat 10, the high-pressure seat 10 is movably connected with a high-pressure elastic sheet 8, the high-pressure seat 10 is movably connected with the middle end part of the low-pressure diaphragm 6, two ends of the low-pressure diaphragm 6 are movably connected with the plastic shell 2, when the pressure of the air pressure passing through an air inlet pipe hole 3 is below 0.3Mpa, the low-pressure diaphragm 6 turns over, the high-pressure seat 10 descends along with the low-pressure elastic sheet to press down the low-pressure elastic sheet 7, so that an upper silver point 12 and a lower silver point 13 are connected and are conductive, when the pressure of an air-conditioning system is dissipated to about 0.2Mpa, the low-pressure diaphragm 6 rebound, the lower end of the high-pressure seat 10 is movably connected with the low-pressure elastic sheet 7, the center of the high-pressure seat 10 is movably connected with the ejector rod 11, the ejector rod 11 is movably connected with the high-pressure elastic sheet 8, the low-pressure elastic sheet 7 is provided with a first through hole 16, the right end of the low-pressure elastic sheet 7 is fixedly connected with an upper silver point 12, the right end of the high-pressure elastic sheet 8 is fixedly connected with a lower silver point 13, when the pressure of an air-conditioning system is abnormally increased to about 3.14Mpa, the high-pressure diaphragm 9 is overturned, the ejector rod 11 moves downwards, the high-pressure elastic sheet 8 is pressed downwards to separate the upper silver point 12 from the lower silver point 13 for power failure, when the pressure of the air-conditioning system is reduced to about 2.8Mpa, the high-pressure diaphragm 9 rebounds along with the high-pressure elastic sheet 8, the upper silver point 12 is communicated with the lower silver point 13 for electric conduction, the aluminum connector 1 is provided with the air, then the valve is opened and closed according to different air pressures, the right end of the low-pressure elastic sheet 7 is fixedly connected with the low-pressure pin 15, the left end of the high-pressure elastic sheet 8 is fixedly connected with the high-pressure pin 14, the high-pressure pin 14 is fixedly connected with the bottom of the inner side of the plastic shell 2, and the sealing ring (4) is used for preventing air pressure leakage when being connected with a target pipeline.
As shown in fig. 3, the stem 11 passes through the first through hole 16.
Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are merely examples and that many changes and modifications may be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined only by the appended claims.
Claims (4)
1. The utility model provides a two state pressure switch, includes that aluminium connects (1) and moulds the shell (2) and constitute characterized by: the aluminum joint (1) and the plastic shell (2) are fixedly connected, the upper end of the plastic shell (2) is movably connected with a polyimide diaphragm (5), the plastic shell (2) is movably connected with a high-pressure seat (10), the high-pressure seat (10) is movably connected with a high-pressure elastic sheet (8), the high-pressure seat (10) is movably connected with the middle end part of a low-pressure diaphragm (6), the two ends of the low-pressure diaphragm (6) are movably connected with the plastic shell (2), the lower end of the high-pressure seat (10) is movably connected with a low-pressure elastic sheet (7), the center of the high-pressure seat (10) is movably connected with an ejector rod (11), the ejector rod (11) is movably connected with the high-pressure elastic sheet (8), and the aluminum joint (1) is provided with an air inlet pipe hole (3).
2. A two-state pressure switch as claimed in claim 1, wherein: the low-pressure elastic piece (7) is provided with a first through hole (16), the ejector rod (11) penetrates through the first through hole (16), the right end of the low-pressure elastic piece (7) is fixedly connected with an upper silver point (12), and the right end of the high-pressure elastic piece (8) is fixedly connected with a lower silver point (13).
3. A two-state pressure switch as claimed in claim 2, wherein: the right end of the low-voltage elastic sheet (7) is fixedly connected with the low-voltage pin (15), the left end of the high-voltage elastic sheet (8) is fixedly connected with the high-voltage pin (14), and the high-voltage pin (14) is fixedly connected with the bottom of the inner side of the plastic shell (2).
4. A two-state pressure switch as claimed in claim 1, wherein: the aluminum connector (1) is movably connected with the sealing ring (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020756689.1U CN212010848U (en) | 2020-05-09 | 2020-05-09 | Two-state pressure switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020756689.1U CN212010848U (en) | 2020-05-09 | 2020-05-09 | Two-state pressure switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212010848U true CN212010848U (en) | 2020-11-24 |
Family
ID=73409993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020756689.1U Active CN212010848U (en) | 2020-05-09 | 2020-05-09 | Two-state pressure switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212010848U (en) |
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2020
- 2020-05-09 CN CN202020756689.1U patent/CN212010848U/en active Active
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