CN216112372U - Pressure-adjustable pressure switch device - Google Patents
Pressure-adjustable pressure switch device Download PDFInfo
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- CN216112372U CN216112372U CN202122518461.6U CN202122518461U CN216112372U CN 216112372 U CN216112372 U CN 216112372U CN 202122518461 U CN202122518461 U CN 202122518461U CN 216112372 U CN216112372 U CN 216112372U
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Abstract
The utility model relates to a pressure-adjustable switch device, which is provided with a shell, a front interface and a rear outlet; the front interface is a process joint, the rear outlet is an electrical joint, and a pressure-bearing assembly is arranged behind the process joint and is provided with a piston column, an elastic piece piston, an elastic piece and a fixed sleeve; a pressure regulating assembly, an ejector rod and a switch element are arranged between the process interface and the electrical connector, the pressure regulating assembly is provided with a sleeve piece, a pressure regulating spring, a fixing nut and a pressure regulating shaft sleeve, the pressure regulating spring and the fixing nut are sleeved outside the pressure regulating shaft sleeve, and threads are arranged between the inner wall of the annular pressure regulating nut and the outer peripheral surface of the pressure regulating shaft sleeve; the inner cavity of the pressure regulating shaft sleeve is internally provided with a mandril, the back of the mandril is provided with a switch element, the front of the switch element is provided with a contact, the inside of the switch element is provided with a conducting wiring, and the back of the switch element is provided with three contacts and three leads extending out of the electrical interface. The utility model is suitable for the switch controlled by liquid/gas pressure, and has the advantages of reasonable structural design, high operation sensitivity, high precision, adjustable pressure, strong applicability, safety and durability.
Description
Technical Field
The utility model relates to the technical field of switch control of electromechanical equipment, in particular to a switch device for controlling the pressure of various liquids and gases, and particularly relates to a pressure-adjustable switch device.
Background
The switch control in electromechanical equipment is a widely used component, and is used for various switches with different environments and different specification performance requirements on different equipment, and the switches have different characteristics. There are also many switches for liquid or gas pressure control. In order to better meet the higher requirements of electromechanical equipment, a pressure switch device which has more flexible performance, more accurate control, safety and reliability in controlling the pressure of liquid or gas and can adjust the control pressure is required.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a pressure-adjustable switch device which is provided with a pressure-adjusting part, a novel spring piece and a sensitive switch element. The pressure control device has the advantages of reasonable structural design, high operating sensitivity, high precision, adjustable pressure, strong applicability, safety and durability.
The utility model is realized by adopting the following technical scheme:
a pressure-adjustable pressure switch device is provided with a cuboid-shaped shell, a front connector is arranged at the front end of the shell, and a rear outlet is arranged at the rear end of the shell; the method is characterized in that: the front connector is a working liquid/gas inlet, namely a process connector, the rear outlet is an electrical connector, the process connector is in a circular tube shape, the front of the process connector is provided with an opening, the rear of the process connector is provided with a liquid/gas through hole, the rear of the through hole is provided with a pressure-bearing assembly for receiving liquid/gas pressure, the middle of the pressure-bearing assembly is provided with a piston column, the front end of the piston column is communicated with the process connector through the liquid/gas through hole, the periphery of the piston column is provided with a sealing ring, the rear of the piston column is provided with a spring plate piston, and a spring plate which is tightly attached to the rear of the spring plate piston and sleeved on the rear end of the piston column is arranged, the middle of the spring plate is provided with a hole and protrudes forwards, and a spring plate fixing sleeve is arranged on the spring plate; the peripheries of the elastic sheet piston, the elastic sheet and the elastic sheet fixing sleeve are provided with shaft sleeves embedded at the inner ends of the process connectors, and the periphery of the front end of each shaft sleeve is also provided with a 0-shaped ring; a pressure regulating assembly, a mandril and a switch element are arranged in a shell between the process connector and the electrical connector at the rear end, the pressure regulating assembly is provided with a sleeve piece close to the rear end of the process connector, a pressure regulating spring, a fixed nut and a pressure regulating shaft sleeve, the pressure regulating spring and the fixed nut are sleeved outside the pressure regulating shaft sleeve, the pressure regulating spring is clamped between the front sleeve piece and the rear pressure regulating nut, a thread for moving the length of the pressure regulating spring back and forth is arranged between the inner wall of the annular pressure regulating nut and the outer peripheral surface of the pressure regulating shaft sleeve, and the pressure regulating nut is provided with a fixed jackscrew; be equipped with in the inner chamber of pressure regulating axle sleeve the ejector pin, this ejector pin front end top is leaned on the rear end of piston post, the back of ejector pin is equipped with switching element, and this switching element is equipped with the contact of accepting ejector pin transmission pressure and contacting with the ejector pin rear end of inlaying on the terminal surface before, and switching element is equipped with three contact and three wires rather than inside switch on wiring intercommunication at the back: normally open, normally closed, common; the switch element is fixed on the inner wall of the rear part of the electrical interface through a fixing sleeve; the three wires extend from the electrical interface.
The scheme of the utility model for further implementation and perfection is as follows:
the switching element is manufactured by OMRON and has the model number of SS-1010.1A 250V AC.
The sealing ring arranged on the periphery of the piston column is a steckel sealing ring, and the model number of the stejo sealing ring is AMIJO D01-POM-7.
Three wires that switching element derived are connected with ac contactor, and the model of contactor is: CJX 2121038.
The cover plate convenient to open is arranged on the shell and fixed on the shell through a screw to conveniently open the shell and adjust the position of the pressure regulating nut in the shell to adjust the pressure of the spring.
And a ground wire screw for grounding the wire is also arranged on the shell.
The working principle of the pressure-adjustable switch device of the utility model is as follows:
firstly, the switch pressure is adjusted by adjusting the position of the pressure regulating nut, namely the tightness degree of the spring, and proper pressure is set. Working gas or liquid enters the device through the process connector, the pressure of the gas or the liquid pushes the piston column and the elastic sheet on the piston column, when the pressure reaches the set pressure, the elastic sheet deforms under the pushing of the elastic sheet piston, the piston column moves backwards to push the ejector rod to move backwards, the ejector rod presses the touch switch to enable the switch element to realize the set on-off state of the conducting connection line, and the alternating current contactor connected through the lead realizes the switch control function, namely, the on-off state, so that the work and the stop of the connecting device are controlled.
The pressure-adjustable switch device has the beneficial effects that:
1. simple and reasonable structure, easy manufacture and low cost.
2. The function is stable, the applicability is strong, and the switch can be widely used for the switch control of various liquid and gas pressures and high and low pressures.
3. By adding the elastic sheet structure design, the sensitivity and the precision are higher, the precision can reach 1%, and the dead zone range can be controlled to be 15%.
4. The elastic sheet can accurately control the backward movement of the piston column and the ejector rod to touch and press the contact of the switch element, so that the action force and distance of the top pressing contact are accurate, the wall is free from fuzzy and excessive top pressing, and the false switch control and the contact damage are prevented.
Drawings
FIG. 1 is a front-back longitudinal sectional structural schematic view of the present invention.
Fig. 2 is a schematic view of the external structure of the present invention.
Fig. 3 is a schematic diagram of a wiring structure of the switching element of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Example (b): referring to the attached drawings, the pressure-adjustable pressure switch device is provided with a cuboid-shaped shell, a front connector is arranged at the front end of the shell, and a rear outlet is arranged at the rear end of the shell; the front connector is a working liquid/gas inlet, namely a process connector 14, the rear outlet is an electrical connector 3, the process connector is in a round tube shape, the front of the process connector is provided with an opening, the rear of the process connector is provided with a liquid/gas through hole, the rear of the through hole is provided with a pressure-bearing assembly for receiving liquid/gas pressure, the middle of the pressure-bearing assembly is provided with a piston column 12, the front end of the piston column is communicated with the process connector through the liquid/gas through hole, the periphery of the piston column is provided with a sealing ring 5, the rear of the piston column is provided with a spring sheet piston 28, the spring sheet 15 which is tightly attached to the rear of the spring sheet piston and sleeved on the rear end of the piston column is provided with a hole in the middle of the spring sheet and protrudes forwards, and a spring sheet fixing sleeve 27 is arranged on the spring sheet; the periphery of the elastic sheet piston, the elastic sheet and the elastic sheet fixing sleeve is provided with a shaft sleeve 10 embedded at the inner end of the process joint, and the periphery of the front end of the shaft sleeve is also provided with a 0-shaped ring 26; a pressure regulating assembly, a mandril 9 and a switch element 7 are arranged in a shell between the process connector and the electrical connector at the rear end, the pressure regulating assembly is provided with a sleeve piece 11, a pressure regulating spring 13, a fixing nut 16 and a pressure regulating shaft sleeve 2 which are close to the rear end of the process connector, the pressure regulating spring and the fixing nut are sleeved outside the pressure regulating shaft sleeve, the pressure regulating spring is clamped between the sleeve piece in front and the pressure regulating nut at the rear, a thread for moving the length of the pressure regulating spring back and forth is arranged between the inner wall of the annular pressure regulating nut and the outer peripheral surface of the pressure regulating shaft sleeve, and a fixing jackscrew 17 is arranged on the pressure regulating nut; be equipped with in the inner chamber of pressure regulating axle sleeve ejector pin 9, this ejector pin front end top is leaned on the rear end of piston post, the back of ejector pin is equipped with switching element 7, and this switching element is equipped with and inlays on preceding terminal surface, accepts ejector pin transmission pressure and with the contact 6 of ejector pin rear end contact, and switching element is equipped with at the back and switches on three contact 29 and three wire 30 that the wiring communicates rather than inside: normally open, normally closed, common; the switch element is fixed on the inner wall of the rear part of the electrical interface through a fixed sleeve 4; the three wires extend from the electrical interface. The switching element is manufactured by OMRON and has the model number of SS-1010.1A 250V AC. The sealing ring 5 arranged on the periphery of the piston column is a steckel sealing ring, and the model number of the stejo sealing ring is AMIJO D01-POM-7. Three wires that switching element derived are connected with ac contactor, and the model of contactor is: CJX 2121038. A square cover plate 18 convenient to open is arranged on the shell and fixed on the shell through a screw 19, and the square cover plate is used for conveniently opening the shell and adjusting the position of a pressure regulating nut in the shell to regulate the pressure of the spring. A ground screw 25 for grounding the wire is also provided on the housing.
It should be noted that on the basis of the basic technical solution of the present invention, some technical solutions with different changes and variations can be made, but all should be within the protection scope of the present patent, and the products should be regarded as infringing products.
Claims (6)
1. A pressure-adjustable pressure switch device is provided with a cuboid-shaped shell, a front connector is arranged at the front end of the shell, and a rear outlet is arranged at the rear end of the shell; the method is characterized in that: the front connector is a working liquid/gas inlet, namely a process connector (14), the rear outlet is an electrical connector (3), the process connector is in a circular tube shape, the front of the process connector is provided with an opening, the rear of the process connector is provided with a liquid/gas through hole, the rear of the through hole is provided with a pressure-bearing assembly for receiving liquid/gas pressure, the middle of the pressure-bearing assembly is provided with a piston column (12), the front end of the piston column is communicated with the process connector through the liquid/gas through hole, the periphery of the piston column is provided with a sealing ring (5), the rear of the piston column is provided with a spring plate piston (28), a spring plate (15) which is tightly attached to the rear of the spring plate piston and is sleeved on the rear end of the piston column is provided with a hole in the middle and protrudes forwards, and a spring plate fixing sleeve (27) is arranged on the spring plate; the peripheries of the elastic sheet piston, the elastic sheet and the elastic sheet fixing sleeve are provided with shaft sleeves (10) embedded at the inner ends of the process connectors, and the periphery of the front end of each shaft sleeve is also provided with a 0-shaped ring (26); a pressure regulating assembly, a push rod (9) and a switch element (7) are arranged in a shell between the process connector and the electrical connector at the rear end, the pressure regulating assembly is provided with a sleeve piece (11) close to the rear end of the process connector, a pressure regulating spring (13), a fixing nut (16) and a pressure regulating shaft sleeve (2), the pressure regulating spring and the fixing nut are sleeved outside the pressure regulating shaft sleeve, the pressure regulating spring is clamped between the sleeve piece in front and the pressure regulating nut at the rear, a thread for moving the length of the pressure regulating spring back and forth is arranged between the inner wall of the annular pressure regulating nut and the outer peripheral surface of the pressure regulating shaft sleeve, and the pressure regulating nut is provided with a fixing jackscrew (17); the push rod (9) is arranged in the inner cavity of the pressure regulating shaft sleeve, the front end of the push rod abuts against the rear end of the piston column, the switch element (7) is arranged behind the push rod, the switch element is provided with a contact (6) which is embedded on the front end face, receives the pressure transmitted by the push rod and is contacted with the rear end of the push rod, and three contact points (29) and three leads (30) communicated with the internal conducting wiring of the switch element are arranged behind the switch element: normally open, normally closed, common; the switch element is fixed on the inner wall of the rear part of the electrical interface through a fixed sleeve (4); the three wires extend from the electrical interface.
2. A pressure adjustable pressure switch assembly as claimed in claim 1, wherein: the switching element is manufactured by OMRON and has the model number of SS-1010.1A 250V AC.
3. A pressure adjustable pressure switch assembly as claimed in claim 1, wherein: the sealing ring (5) arranged on the periphery of the piston column is a steckel sealing ring, and the model number of the stejo sealing ring is AMIJO D01-POM-7.
4. A pressure adjustable pressure switch assembly as claimed in claim 1, wherein: three wires that switching element derived are connected with ac contactor, and the model of contactor is: CJX 2121038.
5. A pressure adjustable pressure switch assembly as claimed in claim 1, wherein: a square cover plate (18) convenient to open is arranged on the shell and fixed on the shell through a screw (19) so as to conveniently open the shell and adjust the position of a pressure adjusting nut in the shell to adjust the pressure of the spring.
6. A pressure adjustable pressure switch assembly as claimed in claim 1, wherein: a ground screw (25) for grounding the wire is also provided on the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122518461.6U CN216112372U (en) | 2021-10-19 | 2021-10-19 | Pressure-adjustable pressure switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122518461.6U CN216112372U (en) | 2021-10-19 | 2021-10-19 | Pressure-adjustable pressure switch device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216112372U true CN216112372U (en) | 2022-03-22 |
Family
ID=80693796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122518461.6U Active CN216112372U (en) | 2021-10-19 | 2021-10-19 | Pressure-adjustable pressure switch device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216112372U (en) |
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2021
- 2021-10-19 CN CN202122518461.6U patent/CN216112372U/en active Active
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