CN211045336U - Stable differential pressure switch - Google Patents
Stable differential pressure switch Download PDFInfo
- Publication number
- CN211045336U CN211045336U CN201922441427.6U CN201922441427U CN211045336U CN 211045336 U CN211045336 U CN 211045336U CN 201922441427 U CN201922441427 U CN 201922441427U CN 211045336 U CN211045336 U CN 211045336U
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- CN
- China
- Prior art keywords
- diaphragm
- ball
- casing
- guide cylinder
- ejector pin
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Abstract
The utility model belongs to the technical field of differential pressure switch and specifically relates to stable form differential pressure switch. This differential pressure switch includes casing, high-pressure chamber, low pressure cavity, diaphragm, guide cylinder, ball, micro-gap switch, jacking device and ejector pin, the casing internal fixation has the diaphragm, and the casing inner chamber is separated into high-pressure chamber and low pressure cavity by the diaphragm, is fixed with jacking device on the diaphragm, and the casing inner wall is fixed with the guide cylinder, and the ejector pin passes the perforation of guide cylinder and casing, and micro-gap switch is installed to the casing outer wall, and the hole distribution of guide cylinder has the ball, and the ball laminating is on the ejector pin. The utility model discloses a deformation of diaphragm orders about the ejector pin and reciprocates to realize micro-gap switch's touching. The friction that receives when the ejector pin removes is reduced through the ball of guide cylinder, has improved driven precision.
Description
Technical Field
The utility model belongs to the technical field of differential pressure switch and specifically relates to stable form differential pressure switch.
Background
The differential pressure switch consists of 2 chambers, both sealed by a diaphragm. High pressure and low pressure enter a high pressure cavity and a low pressure cavity of the differential pressure switch respectively, the sensed differential pressure enables the diaphragm to deform, and finally the microswitch at the uppermost end is started through mechanical structures such as a railing spring and the like, so that an electric signal is output. However, the conventional mechanism for triggering the micro switch is easy to block the movement of the micro switch due to friction, thereby affecting the normal use of the micro switch.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem described in the background art, the utility model provides a stable form differential pressure switch. The ejector rod is driven to move up and down through the deformation of the diaphragm, so that the touch of the micro switch is realized. The friction that receives when the ejector pin removes is reduced through the ball of guide cylinder, has improved driven precision.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a stable form differential pressure switch, includes casing, high-pressure chamber, low pressure cavity, diaphragm, guide cylinder, ball, micro-gap switch, jack-up device and ejector pin, the casing internal fixation has the diaphragm, and the casing inner chamber is separated into high-pressure chamber and low pressure cavity by the diaphragm, is fixed with the jack-up device on the diaphragm, and the casing inner wall is fixed with the guide cylinder, and the ejector pin passes the perforation of guide cylinder and casing, and micro-gap switch is installed to the casing outer wall, and the hole distribution of guide cylinder has the ball, and the ball laminating is on the ejector pin.
Specifically, a first cover plate for sealing the opening is hinged in the high-pressure cavity.
Specifically, a second cover plate for sealing the opening is hinged in the low-pressure cavity.
Specifically, the jacking device consists of a ball socket and a ball, wherein the ball socket is fixed on the diaphragm plate, and the ball is arranged in the ball socket.
The utility model has the advantages that: the utility model provides a stable form differential pressure switch. The ejector rod is driven to move up and down through the deformation of the diaphragm, so that the touch of the micro switch is realized. The friction that receives when the ejector pin removes is reduced through the ball of guide cylinder, has improved driven precision.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention;
in the figure, 1, a machine shell, 2, a high-pressure chamber, 3, a low-pressure chamber, 4, a diaphragm, 5, a guide cylinder, 6, a ball, 7, a microswitch, 8, a jacking device, 9, a mandril, 10, a first cover plate, 11, a second cover plate, 81, a ball socket and 82, a ball body are arranged.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
Fig. 1 is a schematic structural diagram of the present invention.
The utility model provides a stable form differential pressure switch, includes casing 1, high-pressure chamber 2, low pressure chamber 3, diaphragm 4, guide cylinder 5, ball 6, micro-gap switch 7, jacking system 8 and ejector pin 9, 1 internal fixation of casing has diaphragm 4, and 1 inner chamber of casing is separated into high-pressure chamber 2 and low pressure chamber 3 by diaphragm 4, is fixed with jacking system 8 on diaphragm 4, and 1 inner wall of casing is fixed with guide cylinder 5, and ejector pin 9 passes guide cylinder 5 and casing 1's perforation, and micro-gap switch 7 is installed to 1 outer wall of casing, and the hole distribution of guide cylinder 5 has ball 6, and 6 laminating of ball are on ejector pin 9. A cover plate I10 for sealing the opening is hinged in the high-pressure chamber 2. A second cover plate 11 for sealing the opening is hinged in the low-pressure chamber 3. The jacking device 8 consists of a ball socket 81 and a ball 82, the ball socket 81 is fixed on the diaphragm 4, and the ball 82 is arranged in the ball socket 81.
As shown in figure 1, when air is not supplied into the machine shell 1, the diaphragm 4 is kept in a flat state, and the jacking device 8 jacks the jacking rod 9, so that the jacking rod 9 is continuously contacted with the microswitch 7. Get into high-pressure gas in the high pressure chamber 2, get into low-pressure gas in the low pressure chamber 3 after for diaphragm 4 warp and is recessed, and jacking device 8 moves down along with it this moment, and ejector pin 9 then down slides along guide cylinder 5, and at gliding in-process, ejector pin 9 can drive the ball 6 roll in the guide cylinder 5, thereby has reduced the friction of ejector pin 9 when removing. When the push rod 9 moves downwards, the contact with the micro switch 7 is separated, and the micro switch is opened and closed.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. The utility model provides a stable form differential pressure switch, characterized by, includes casing (1), high-pressure chamber (2), low pressure chamber (3), diaphragm (4), guide cylinder (5), ball (6), micro-gap switch (7), jack-up device (8) and ejector pin (9), casing (1) internal fixation has diaphragm (4), and casing (1) inner chamber is separated into high-pressure chamber (2) and low pressure chamber (3) by diaphragm (4), is fixed with jack-up device (8) on diaphragm (4), and casing (1) inner wall is fixed with guide cylinder (5), and ejector pin (9) pass the perforation of guide cylinder (5) and casing (1), and micro-gap switch (7) are installed to casing (1) outer wall, and the hole distribution of guide cylinder (5) has ball (6), and ball (6) laminating is on ejector pin (9).
2. The stabilized differential pressure switch of claim 1, wherein: a first cover plate (10) for sealing the opening is hinged in the high-pressure chamber (2).
3. The stabilized differential pressure switch of claim 1, wherein: a second cover plate (11) for sealing the opening is hinged in the low-pressure chamber (3).
4. The stabilized differential pressure switch of claim 1, wherein: the jacking device (8) consists of a ball socket (81) and a ball (82), the ball socket (81) is fixed on the diaphragm (4), and the ball (82) is arranged in the ball socket (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922441427.6U CN211045336U (en) | 2019-12-30 | 2019-12-30 | Stable differential pressure switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922441427.6U CN211045336U (en) | 2019-12-30 | 2019-12-30 | Stable differential pressure switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211045336U true CN211045336U (en) | 2020-07-17 |
Family
ID=71561509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922441427.6U Expired - Fee Related CN211045336U (en) | 2019-12-30 | 2019-12-30 | Stable differential pressure switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211045336U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112146227A (en) * | 2020-08-31 | 2020-12-29 | 珠海格力电器股份有限公司 | Pressure detection switch, air conditioner control method and device, air conditioner and storage medium |
-
2019
- 2019-12-30 CN CN201922441427.6U patent/CN211045336U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112146227A (en) * | 2020-08-31 | 2020-12-29 | 珠海格力电器股份有限公司 | Pressure detection switch, air conditioner control method and device, air conditioner and storage medium |
| CN112146227B (en) * | 2020-08-31 | 2022-04-12 | 珠海格力电器股份有限公司 | Pressure detection switch, air conditioner control method and device, air conditioner and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200717 Termination date: 20201230 |