CN217485354U - Independent adjustable double-switch type pressure switch - Google Patents
Independent adjustable double-switch type pressure switch Download PDFInfo
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- CN217485354U CN217485354U CN202221484743.7U CN202221484743U CN217485354U CN 217485354 U CN217485354 U CN 217485354U CN 202221484743 U CN202221484743 U CN 202221484743U CN 217485354 U CN217485354 U CN 217485354U
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- switch
- shell
- spring seat
- ejector
- clamp plate
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Abstract
The utility model discloses an independent adjustable two switch type pressure switch, connect and connect the shell in clamp plate joint top including the clamp plate two installation cavities have been seted up side by side to the bottom of shell, all set up a set of forced induction subassembly in two installation cavities, the clamp plate connects and sets up the pressure transfer passage that two sets of forced induction subassemblies communicate respectively, every group all be connected with the ejector pin on the forced induction subassembly, the bottom of two ejector pins is formed with the spring seat down, is provided with the spring seat of honour on the well upper portion of two ejector pins, is provided with compression spring on the ejector pin between spring seat down and the spring seat of honour, all overlaps on the upper portion of two ejector pins and is equipped with adjusting screw, adjusting screw with the shell threaded connection of installation cavity top, two the top of ejector pin corresponds the contact with two micro-gap switches respectively. The remarkable effects are as follows: the setting can be debugged respectively when the set points of the two micro switches are different, so that the adjustment is more convenient, and the set point precision is higher.
Description
Technical Field
The utility model relates to pressure switch production design technical field, concretely relates to independent adjustable two switch type pressure switch.
Background
The pressure switch is widely applied to various industrial automatic control environments, and relates to pressure control of petroleum pipelines, water conservancy and hydropower, railway traffic, intelligent buildings, production automatic control, aerospace, war industry, petrifaction, oil wells, electric power, ships, machine tools, pipeline air supply, boiler negative pressure, machinery, refrigeration equipment and water pumps, low-water-level protection pressure control, and gas, steam, water, oil and other industrial equipment in industries such as power plants, cement, food, ships and the like and other industrial equipment for pressure monitoring, alarming and interlocking protection on an actuating mechanism matching sleeve.
However, the traditional dual-channel pressure switch only has one group of adjusting components, can only simultaneously adjust the set points of two microswitches, is inconvenient to adjust, cannot be used in occasions with different pressure set points, and is limited in use scene; and the accuracy of adjusting the two set points together cannot be guaranteed.
Disclosure of Invention
The utility model aims at providing an independent adjustable two switch type pressure switch, can debug respectively under the different condition of two micro-gap switch's two set points and set for, make the regulation more convenient, the set point precision is higher.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an independent adjustable two switch type pressure switch, its key lies in: including the clamp plate joint and connect the shell in clamp plate joint top two installation chambeies have all been seted up side by side to the bottom of shell, all set up a set of forced induction subassembly in two installation chambeies, set up the pressure transfer passage of two sets of forced induction subassembly intercommunication respectively on the clamp plate joint, every group all be connected with the ejector pin on the forced induction subassembly, the bottom of two ejector pins is formed with spring seat down, is provided with spring seat of honour on the well upper portion of two ejector pins, is provided with compression spring on the ejector pin between spring seat of honour and spring seat of honour, all overlaps on the upper portion of two ejector pins and is equipped with adjusting screw, adjusting screw with the shell threaded connection of installation chamber top, two the top of ejector pin corresponds the contact with two micro-gap switches respectively.
Further, the pressure sensing assembly comprises a diaphragm, a piston sleeve and a piston rod, the lower surface of the diaphragm is in close contact with the top of the pressing plate connector through a sealing ring, the piston sleeve covers the diaphragm, the piston rod penetrates through the center of the piston sleeve, and the top of the piston rod is connected with the bottom of the ejector rod.
Furthermore, an accommodating cavity is formed in the top of the shell, and a plurality of wiring terminals are arranged in the accommodating cavity through terminal supports.
Furthermore, the terminal support is U-shaped, two sides of the terminal support are fixedly connected with the shell through mounting screws, the wiring terminal is arranged on the front side of the bottom of the terminal support, and the microswitch is arranged on the rear side of the terminal support.
Furthermore, insulating paper is arranged between the wiring terminal and the shell.
Furthermore, a grounding screw electrically connected with the shell is further arranged in the accommodating cavity.
The utility model discloses a show the effect and be: simple structure easily realizes, through increased a set of adjusting part in traditional switch structure, can debug respectively when the different condition of two micro-gap switch's set point and set for, makes the regulation more convenient, and the set point precision is higher.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a partially enlarged schematic view of a in fig. 1.
Detailed Description
The following describes the embodiments and the operation principle of the present invention in detail with reference to the accompanying drawings.
As shown in fig. 1, an independently adjustable, dual-switch type pressure switch includes a pressure plate connector 1 and a case 2 connected above the pressure plate connector 1, two installation cavities 3 are arranged at the bottom of the shell 2 side by side, a group of pressure sensing components 4 are arranged in the two installation cavities 3, the pressure plate joint 1 is provided with a pressure conveying channel 5 which is respectively communicated with two groups of pressure sensing components 4, each group of the pressure sensing components 4 is connected with a top rod 6, the bottom parts of the two top rods 6 are provided with a spring lower seat 7, the middle upper parts of the two ejector rods 6 are provided with an upper spring seat 8, a compression spring 9 is arranged on the ejector rod 6 between the lower spring seat 7 and the upper spring seat 8, adjusting screws 10 are sleeved on the upper portions of the two ejector rods 6, the adjusting screws 10 are in threaded connection with the shell 2 above the installation cavity 3, and the tops of the two ejector rods 6 are in corresponding contact with the two micro switches 11 respectively.
As shown in fig. 2, the pressure sensing assembly 4 includes a diaphragm 41, a piston sleeve 42 and a piston rod 43, the lower surface of the diaphragm 41 is in close contact with the top of the pressure plate joint 1 through a sealing ring 44, the piston sleeve 42 is covered on the diaphragm 41, the piston rod 43 is inserted through the center of the piston sleeve 42, and the top of the piston rod 43 is connected with the bottom of the push rod 6. When pressure enters the pressure conveying channel 5 from the process interface, the stainless steel or rubber diaphragm is stressed to displace, the ejector rod is driven to touch the microswitch, and the function of controlling equipment is achieved.
As can also be seen from fig. 1, a receiving cavity 12 is formed at the top of the housing 2, and a plurality of terminals 14 are disposed in the receiving cavity 12 through a terminal bracket 13.
Furthermore, the terminal bracket 13 is U-shaped, two sides of the terminal bracket 13 are fixedly connected with the housing 2 through mounting screws 15, a wiring terminal 14 is arranged at the front side of the bottom of the terminal bracket 13, and the microswitch 11 is arranged at the rear side of the terminal bracket 13.
In this example, an insulating paper 16 is arranged between the connecting terminal 14 and the housing 2 to improve the insulating effect of the connecting terminal and ensure the reliability of output data; the accommodating cavity 12 is further provided with a grounding screw 17 electrically connected with the housing 2.
This embodiment is through having increased a set of adjusting part in traditional switch structure, can debug the setting respectively when the different circumstances of the setpoint of two micro-gap switches 11, makes the regulation more convenient, and the setpoint precision is higher.
The technical scheme provided by the utility model is introduced in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (6)
1. The utility model provides an independent adjustable two switch type pressure switch which characterized in that: including the clamp plate joint and connect the shell in clamp plate joint top two installation cavities have all been seted up side by side to the bottom of shell, all set up a set of forced induction subassembly in two installation cavities, set up the pressure feed channel of two sets of forced induction subassembly intercommunication respectively on the clamp plate joint, at every group all be connected with the ejector pin on the forced induction subassembly, the bottom of two ejector pins is formed with the spring seat down, is provided with the spring seat of honour on the well upper portion of two ejector pins, is provided with compression spring on the ejector pin between spring seat down and the spring seat of honour, all overlaps on the upper portion of two ejector pins and is equipped with adjusting screw, adjusting screw with the shell threaded connection of installation cavity top, two the top of ejector pin corresponds the contact with two micro-gap switches respectively.
2. The independently adjustable, dual-switch type pressure switch of claim 1, wherein: the pressure sensing assembly comprises a diaphragm, a piston sleeve and a piston rod, the lower surface of the diaphragm is in close contact with the top of the pressure plate connector through a sealing ring, the piston sleeve covers the diaphragm, the piston rod is arranged at the center of the piston sleeve in a penetrating mode, and the top of the piston rod is connected with the bottom of the ejector rod.
3. The independently adjustable, dual-switch pressure switch of claim 1, wherein: the top of shell is formed with the holding chamber the holding intracavity is provided with a plurality of binding post through the terminal support.
4. The independently adjustable, dual-switch pressure switch of claim 3, wherein: the terminal support is U-shaped, two sides of the terminal support are fixedly connected with the shell through mounting screws, the wiring terminal is arranged on the front side of the bottom of the terminal support, and the microswitch is arranged on the rear side of the terminal support.
5. The independently adjustable, dual-switch pressure switch of claim 4, wherein: and insulating paper is arranged between the wiring terminal and the shell.
6. The independently adjustable, dual-switch pressure switch of claim 3, wherein: and a grounding screw electrically connected with the shell is also arranged in the accommodating cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221484743.7U CN217485354U (en) | 2022-06-14 | 2022-06-14 | Independent adjustable double-switch type pressure switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221484743.7U CN217485354U (en) | 2022-06-14 | 2022-06-14 | Independent adjustable double-switch type pressure switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217485354U true CN217485354U (en) | 2022-09-23 |
Family
ID=83315738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221484743.7U Active CN217485354U (en) | 2022-06-14 | 2022-06-14 | Independent adjustable double-switch type pressure switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217485354U (en) |
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2022
- 2022-06-14 CN CN202221484743.7U patent/CN217485354U/en active Active
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