CN111354599A

CN111354599A - Protection type pressure controller

Info

Publication number: CN111354599A
Application number: CN201811395632.7A
Authority: CN
Inventors: 张苏侠
Original assignee: Jiangsu Qiyuan Sensor Technology Co ltd
Current assignee: Jiangsu Qiyuan Sensor Technology Co ltd
Priority date: 2018-12-23
Filing date: 2018-12-23
Publication date: 2020-06-30

Abstract

The invention discloses a protective pressure controller which comprises a first connecting pin, a lower shell, an upper shell and a second connecting pin, wherein the first connecting pin and the second connecting pin are respectively installed at one end of the lower shell, a first contact and a second contact are respectively installed at one end of the first connecting pin and one end of the second connecting pin in the lower shell, and a pressure-resistant seat is installed in the center of one end, far away from the first connecting pin and the second connecting pin, of the lower shell. According to the invention, the lower shell, the upper shell, the sliding block, the spring, the first fixing seat, the second fixing seat and the sliding groove are arranged, so that when the device is extruded by external force, the spring can stretch between the first fixing seat and the second fixing seat, the upper shell drives the sliding block to slide in the sliding groove, the upper shell and the lower shell stretch, the compression resistance and the shock absorption of the device are effectively improved, elements in the lower shell are protected conveniently, the protection performance of the device is improved conveniently, and the use of the device is facilitated.

Description

Protection type pressure controller

Technical Field

The invention relates to the technical field of controllers, in particular to a protective pressure controller.

Background

The controller is one of control elements, and the pressure controller is a sensor that adopts metal diaphragm formula, also known as pressure switch, mainly is used for the detection of neutral oil, gaseous medium or water, and current pressure controller has following several defects when using:

1. most of the existing pressure controllers are structurally fixed, are of an integrated structure, have poor elasticity and compressive capacity, are easy to deform and damage when being extruded by external force, cause damage to internal elements, easily influence the use of the device and have poor protection performance;

2. most of the existing pressure controllers have complex internal structures, so that when the devices are stressed, the internal joints can be quickly communicated, and the devices are inconvenient to use;

3. most of the existing pressure controllers have poor structural strength, poor explosion resistance, high stress bursting damage, poor insulativity and corrosion resistance and short service life.

Disclosure of Invention

The invention aims to provide a protective pressure controller, which aims to solve the problems that most of the existing pressure controllers in the background art are fixed in structure, poor in self elasticity and pressure resistance, easy to deform and damage when being extruded by external force and poor in protection performance.

In order to achieve the purpose, the invention provides the following technical scheme: a protective pressure controller comprises a first connecting pin, a lower shell, an upper shell and a second connecting pin, wherein one end of the lower shell is respectively provided with the first connecting pin and the second connecting pin, one ends of the first connecting pin and the second connecting pin on the outer side of the lower shell are respectively provided with a wire hole, a first connecting wire and a second connecting wire are respectively wound inside the wire holes, one ends of the first connecting wire and the second connecting wire, which are far away from the first connecting pin and the second connecting pin, are respectively provided with a first connecting end and a second connecting end, one ends of the first connecting pin and the second connecting pin, which are inside the lower shell, are respectively provided with a first contact and a second contact, one end of the first contact is provided with a reed, one end of the reed, which is far away from the first contact, is provided with a movable contact, and the bottom end inside the lower shell is uniformly provided with a second fixing seat, the spring is arranged in the second fixing seat, the center of the inner part of one end of the lower shell, which is far away from the first connecting pin and the second connecting pin, is provided with a pressure-resistant seat, the inner part of the pressure-resistant seat is fixedly provided with a diaphragm, one side of the diaphragm is provided with an ejector rod, one end of the ejector rod penetrates through the pressure-resistant seat and extends into the lower shell, the bottom end of the lower shell below the pressure-resistant seat is provided with a pressure transmission joint, the two sides of the lower shell are uniformly provided with sliding grooves, the top of the lower shell is provided with an upper shell, the inner walls of the two sides of the upper shell are uniformly provided with sliding blocks, the sliding blocks are slidably connected with the sliding grooves, the top end of the inner part of the upper shell is uniformly provided with a first fixing seat, the bottom of the first fixing seat is fixedly connected with the top of the spring in a clamping manner, the centers of the side walls of the, and one side of the glass fiber insulating layer is provided with a glass fiber reinforced plastic explosion-proof layer, and one side of the glass fiber reinforced plastic explosion-proof layer is provided with an epoxy resin corrosion-resistant layer.

Preferably, the sliding block and the sliding groove are matched with each other, and a sliding structure is formed between the lower shell and the upper shell through the sliding block and the sliding groove.

Preferably, the bottom of first fixing base is equipped with the fixed block that equals with the spring internal diameter, and first fixing base and spring constitution joint fixed knot construct, the top of second fixing base is equipped with the fixed slot of mutually supporting with the spring external diameter, and the bottom and the second fixing base welded fastening of spring.

Preferably, the pressure-resistant seat is internally provided with an installation groove matched with the diaphragm, and the diaphragm and the pressure-resistant seat form a fixed structure.

Preferably, the ejector rod is of a Z-shaped structure, and one end of the compression-resistant seat is provided with a sliding groove matched with the ejector rod.

Preferably, reinforcing ribs are uniformly arranged in the polysulfone rigid layer, and the lower shell and the upper shell form a rigid structure through the polysulfone rigid layer and the reinforcing ribs.

Compared with the prior art, the invention has the beneficial effects that:

1. the protective pressure controller is provided with the lower shell, the upper shell, the sliding block, the spring, the first fixing seat, the second fixing seat and the sliding groove, so that when the device is extruded by external force, the spring stretches between the first fixing seat and the second fixing seat, the upper shell drives the sliding block to slide in the sliding groove, the upper shell and the lower shell stretch, the compression resistance and the shock absorption of the device are effectively improved, elements in the lower shell are protected, the protection performance of the device is improved, and the use of the device is facilitated;

2. the protective pressure controller is provided with the first connecting pin, the second connecting pin, the pressure-resistant seat, the reed and the diaphragm, so that when the pressure of a controlled medium in the pressure-resistant seat rises to a limit value, the diaphragm generates instability jumping, the diaphragm is pressed to bulge, the ejector rod moves in the pressure-resistant seat, the reed is pressed, the movable contact is contacted with the second contact, the first contact is communicated with the second contact, the first connecting pin is communicated with the second connecting pin, and the equipment is electrified for use;

3. this protection type pressure controller is through being provided with glass steel explosion-proof layer, the polysulfone rigid layer, glass fiber insulating layer and epoxy corrosion resistant layer, be convenient for can effectively increase the explosion-proof nature of device through glass steel explosion-proof layer, reduce the device during operation damage of bursting, be convenient for increase the structural rigidity of device through polysulfone rigid layer and inside strengthening rib thereof, deformation damage when avoiding the device to receive external force extrusion, be convenient for increase the insulating nature of device through the glass fiber insulating layer, the reduction device receives the interference damage, be convenient for increase the corrosion resistance of device through epoxy corrosion resistant layer, be convenient for increase the life of device, the use of the device of being convenient for.

Drawings

FIG. 1 is a schematic top view of the apparatus of the present invention;

FIG. 2 is a schematic side sectional view of the apparatus of the present invention;

FIG. 3 is a schematic top view of the lower housing of the present invention;

FIG. 4 is a partial sectional view of the lower case according to the present invention;

fig. 5 is a partial sectional view of the upper housing according to the present invention.

In the figure: 1. a first connecting wire; 2. a second connecting wire; 3. a first connecting pin; 4. a lower housing; 5. an upper housing; 6. a first connection end; 7. a second connection end; 8. a second connection pin; 9. a pressure transfer fitting; 10. a slider; 11. a first fixed seat; 12. a spring; 13. a pressure resistant seat; 14. a second fixed seat; 15. a first contact; 16. a reed; 17. a chute; 18. a wire hole; 19. a second contact; 20. a movable contact; 21. a top rod; 22. a membrane; 23. a glass fiber reinforced plastic explosion-proof layer; 24. a polysulfone rigid layer; 25. a fiberglass insulation layer; 26. an epoxy corrosion-resistant layer; 27. and (5) reinforcing ribs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention is shown: a protective pressure controller comprises a first connecting pin 3, a lower shell 4, an upper shell 5 and a second connecting pin 8, wherein one end of the lower shell 4 is respectively provided with the first connecting pin 3 and the second connecting pin 8, one ends of the first connecting pin 3 and the second connecting pin 8 outside the lower shell 4 are respectively provided with a wire hole 18, a first connecting lead 1 and a second connecting lead 2 are respectively wound inside the wire hole 18, one ends of the first connecting lead 1 and the second connecting lead 2 far away from the first connecting pin 3 and the second connecting pin 8 are respectively provided with a first connecting end 6 and a second connecting end 7, one ends of the first connecting pin 3 and the second connecting pin 8 inside the lower shell 4 are respectively provided with a first contact 15 and a second contact 19, one end of the first contact 15 is provided with a reed 16, one end of the reed 16 far away from the first contact 15 is provided with a movable contact 20, and the bottom end of the interior of the lower shell 4 is uniformly provided with a second fixed seat 14, the interior of the second fixed seat 14 is provided with a spring 12, the center of the interior of one end of the lower shell 4 far away from the first connecting pin 3 and the second connecting pin 8 is provided with a pressure-resistant seat 13, the interior of the pressure-resistant seat 13 is fixed with a diaphragm 22, the interior of the pressure-resistant seat 13 is provided with a mounting groove which is matched with the diaphragm 22, the diaphragm 22 and the pressure-resistant seat 13 form a fixed structure, so that the diaphragm 22 is fixed in the pressure-resistant seat 13, the use of the diaphragm 22 is convenient, one side of the diaphragm 22 is provided with a mandril 21, one end of the mandril 21 passes through the pressure-resistant seat 13 and extends to the interior of the lower shell 4, the mandril 21 is in a Z-shaped structure, one end of the pressure-resistant seat 13 is provided with a sliding groove which is matched with the mandril 21, so, and the bottom of the lower shell 4 below the compression-resistant seat 13 is provided with a pressure transmission joint 9, both sides of the lower shell 4 are uniformly provided with sliding grooves 17, the top of the lower shell 4 is provided with an upper shell 5, the inner walls of both sides of the upper shell 5 are uniformly provided with sliding blocks 10, the sliding blocks 10 are slidably connected with the sliding grooves 17, the sliding blocks 10 and the sliding grooves 17 are mutually matched, and the lower shell 4 and the upper shell 5 form a sliding structure through the sliding blocks 10 and the sliding grooves 17, so that when the device is extruded, the upper shell 5 drives the sliding blocks 10 to slide in the sliding grooves 17, the upper shell 5 and the lower shell 4 are convenient to extend and retract, so as to protect the internal elements of the lower shell 4, increase the protection performance of the device, facilitate the use of the device, the top end of the inner part of the upper shell 5 is uniformly provided with a first fixing seat 11, the bottom of the first fixing seat 11 is fixedly clamped with the top of the spring 12, the first fixing seat 11 and the spring 12 form a clamping fixing structure, the top of the second fixing seat 14 is provided with a fixing groove matched with the outer diameter of the spring 12, the bottom of the spring 12 is welded and fixed with the second fixing seat 14, so that the first fixing seat 11 and the spring 12 are fixedly clamped, the elasticity between the first fixing seat 11 and the second fixing seat 14 is conveniently increased through the spring 12, the damage of the upper shell 5 and the lower shell 4 when the device is extruded is reduced, the device is convenient to use, the centers of the side walls of the lower shell 4 and the upper shell 5 are respectively provided with a polysulfone rigid layer 24, reinforcing ribs 27 are uniformly arranged inside the polysulfone rigid layers 24, the lower shell 4 and the upper shell 5 form a rigid structure through the polysulfone rigid layers 24 and the reinforcing ribs 27, the structural strength of the polysulfone rigid layers 24 is conveniently increased through the reinforcing ribs 27, and the structural rigidity of the lower shell 4 and the upper shell 5 is conveniently, avoid casing 4 and last casing 5 to receive deformation damage when external force extrudees down, the use of the device of being convenient for, and the both sides of polysulfone rigid layer 24 all are equipped with glass fiber insulating layer 25, and one side of glass fiber insulating layer 25 all is equipped with glass steel explosion-proof layer 23, and one side of glass steel explosion-proof layer 23 all is equipped with epoxy corrosion-resistant layer 26.

The working principle is as follows: when the device is used, the first connecting end 6 and the second connecting end 7 are respectively connected with corresponding equipment, the pressure transmission joint 9 is connected with a measured medium pipeline, a controlled medium is input into the pressure-resistant seat 13, when the pressure of the controlled medium rises to a limited value, the diaphragm 22 generates instability jumping, the diaphragm 22 is pressed to bulge, the ejector rod 21 moves in the pressure-resistant seat 13, the spring sheet 16 is extruded, the movable contact 20 is contacted with the second contact 19, the first contact 15 is communicated with the second contact 19, the first connecting pin 3 is communicated with the second connecting pin 8, the equipment is electrified for use, when the device is extruded by external force in the using process, the spring 12 stretches between the first fixing seat 11 and the second fixing seat 14, the upper shell 5 drives the sliding block 10 to slide in the sliding groove 17, and the upper shell 5 and the lower shell 4 stretch out and draw back, effectively increase the resistance to compression shock attenuation nature of device, be convenient for protect casing 4 internal component down, be convenient for increase the protection nature of device, the use of the device of being convenient for, polysulfone rigid layer 24 and inside strengthening rib 27 can effectively increase casing 4 and last casing 5's structural rigidity down, avoid casing 4 and last casing 5 to receive deformation damage when external force extrudees down, glass fiber insulating layer 25 can effectively increase casing 4 and last casing 5's insulating nature down, it receives interference damage to reduce the device, glass steel explosion-proof layer 23 can effectively increase casing 4 and last casing 5's explosion-proof nature down, reduce the device during operation damage of bursting, epoxy corrosion-resistant layer 26 can effectively increase casing 4 and last casing 5's corrosion resistance down, be convenient for increase the life of device, the use of the device of being convenient for.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a protection type pressure controller, includes that first connection is inserted foot (3), lower casing (4), is gone up casing (5) and second and is connected participating in (8), its characterized in that: a first connecting pin (3) and a second connecting pin (8) are respectively installed at one end of the lower shell (4), wire holes (18) are respectively formed in one ends of the first connecting pin (3) and the second connecting pin (8) on the outer side of the lower shell (4), a first connecting wire (1) and a second connecting wire (2) are respectively wound inside the wire holes (18), a first connecting end (6) and a second connecting end (7) are respectively installed at one ends, far away from the first connecting pin (3) and the second connecting pin (8), of the first connecting wire (1) and the second connecting wire (2), a first contact (15) and a second contact (19) are respectively installed at one ends, far away from the first connecting pin (15), of the first contact (15) and a reed (16) are installed at one end, far away from the first contact (15), of the reed (16) is installed at one end, and a movable contact (20) is installed at one end, far away from the first contact (15), and the bottom of the interior of the lower shell (4) is uniformly provided with a second fixed seat (14), the interior of the second fixed seat (14) is provided with a spring (12), the interior of one end of the lower shell (4) far away from the first connecting pin (3) and the second connecting pin (8) is provided with a pressure-resistant seat (13), the interior of the pressure-resistant seat (13) is fixed with a diaphragm (22), one side of the diaphragm (22) is provided with a push rod (21), one end of the push rod (21) passes through the pressure-resistant seat (13) and extends to the interior of the lower shell (4), the bottom of the lower shell (4) below the pressure-resistant seat (13) is provided with a pressure transmission joint (9), the two sides of the lower shell (4) are uniformly provided with sliding grooves (17), the top of the lower shell (4) is provided with an upper shell (5), the inner walls of the two sides of the upper shell (5) are uniformly provided with sliding blocks (, and slider (10) all with spout (17) sliding connection, go up the inside top of casing (5) and evenly install first fixing base (11), and the bottom of first fixing base (11) all is fixed with the top joint of spring (12), the central authorities of casing (4) and last casing (5) lateral wall all are equipped with polysulfone rigid layer (24) down, and the both sides of polysulfone rigid layer (24) all are equipped with glass fiber insulating layer (25), one side of glass fiber insulating layer (25) all is equipped with glass steel explosion-proof layer (23), and one side of glass steel explosion-proof layer (23) all is equipped with epoxy corrosion-resistant layer (26).

2. A protected pressure controller according to claim 1, wherein: the sliding block (10) and the sliding groove (17) are matched with each other, and the lower shell (4) and the upper shell (5) form a sliding structure through the sliding block (10) and the sliding groove (17).

3. A protected pressure controller according to claim 1, wherein: the bottom of first fixing base (11) is equipped with the fixed block that equals with spring (12) internal diameter, and first fixing base (11) and spring (12) constitute joint fixed knot and construct, the top of second fixing base (14) is equipped with the fixed slot of mutually supporting with spring (12) external diameter, and the bottom and second fixing base (14) welded fastening of spring (12).

4. A protected pressure controller according to claim 1, wherein: the interior of the pressure-resistant seat (13) is provided with an installation groove which is matched with the diaphragm (22), and the diaphragm (22) and the pressure-resistant seat (13) form a fixed structure.

5. A protected pressure controller according to claim 1, wherein: the ejector rod (21) is of a Z-shaped structure, and one end of the compression-resistant seat (13) is provided with a sliding groove matched with the ejector rod (21).

6. A protected pressure controller according to claim 1, wherein: reinforcing ribs (27) are uniformly arranged in the polysulfone rigid layer (24), and the lower shell (4) and the upper shell (5) form a rigid structure through the polysulfone rigid layer (24) and the reinforcing ribs (27).