CN218330415U

CN218330415U - Diaphragm shock-proof electric contact pressure gauge

Info

Publication number: CN218330415U
Application number: CN202222910392.8U
Authority: CN
Inventors: 陈燃
Original assignee: Jiangsu Field Automation Instrumentation Co ltd
Current assignee: Jiangsu Field Automation Instrumentation Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-01-17
Anticipated expiration: 2032-11-02

Abstract

The utility model discloses a diaphragm shock-proof electric contact pressure gauge, which comprises a pressure gauge; the utility model discloses a safety valve, including manometer bottom, intake pipe, safety valve, top plate, threaded rod, screw thread section of thick bamboo, the manometer bottom swivelling joint has the intake pipe, intake pipe one side is provided with the relief valve, the relief valve passes through bolt fixed mounting in intake pipe one side, the inside slidable mounting of relief valve has the slider, slider one side position welding has the spring, the inside spring one side that is located of relief valve is provided with the roof, roof one side swivelling joint has the threaded rod, the threaded rod outside swivelling joint has a screw thread section of thick bamboo, the welding of screw thread section of thick bamboo is in relief valve one side. The utility model discloses when the inside pressure of manometer is great, the slider will receive outside pressure, and at this moment, the spring will contract for the slider outwards slides, and after the slider moved the shift position, intake pipe and relief valve and gas outlet carried out UNICOM, carried out the pressure release through the gas outlet, and the inside pressure of manometer is great when avoiding using, leads to the manometer to take place to explode.

Description

Diaphragm shock-proof electric contact pressure gauge

Technical Field

The utility model relates to a pressure becomes technical field, specifically is a diaphragm shock resistance electric contact manometer.

Background

The electric contact pressure gauge is widely applied to the industrial departments of petroleum, chemical industry, metallurgy, power stations, machinery and the like or the matching of electromechanical equipment to measure the pressure of various fluid media without explosion danger. Generally, the instrument is used in combination with corresponding electrical devices (such as relays, frequency converters, etc.), so that the purposes of automatic control and signal transmission (alarm) of various gas and liquid media of measured (controlled) pressure can be achieved through the instrument.

The Chinese patent No. CN201721615422.5 discloses an earthquake-resistant electric contact pressure gauge, which comprises a shell of the earthquake-resistant electric contact pressure gauge, a base arranged in the shell, a pressure measuring element, an end seat, signal output contacts of a plurality of electric contact pressure gauges, a machine core, a pointer and a dial, wherein the pressure measuring element consists of a Barden tube and a spring; when the pressure gauge is used, the phenomenon of gauge explosion easily occurs when the pressure gauge is subjected to pressure instant increase, and the network is very dangerous.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a diaphragm shock resistance electric contact manometer to the problem that provides in the solution background art.

In order to achieve the above object, the utility model provides a following technical scheme: a diaphragm shock-proof electric contact pressure gauge comprises a pressure gauge; the utility model discloses a safety valve, including manometer side, wire connector, safety valve, slider, safety valve, screw thread section of thick bamboo, the wiring ware is installed through bolt fixed mounting to manometer side, the wire is installed in the wiring ware outside, the protective cover is installed to the manometer front end, manometer bottom swivelling joint has the intake pipe, intake pipe one side is provided with the relief valve, the relief valve passes through bolt fixed mounting in intake pipe one side, relief valve upper end intermediate position is provided with the gas outlet, the inside slidable mounting of relief valve has the slider, slider one side position welding has the spring, the inside spring one side that is located of relief valve is provided with the roof, roof one side swivelling joint has the threaded rod, the threaded rod outside swivelling joint has a screw thread section of thick bamboo, the welding of screw thread section of thick bamboo is in relief valve one side.

Preferably, a movable sealing ring is arranged on the outer side of the sliding block, and the movable sealing ring is sleeved on the outer side of the sliding block.

Preferably, a spanner is arranged on one side of the threaded rod and welded on the outer side of the threaded rod.

Preferably, a self-cleaning layer is arranged on the outer side of the protective cover and is set to be a nano silicon coating layer.

Preferably, the pressure gauge is internally provided with a drying cavity, and a drying agent is filled in the drying cavity.

Preferably, a protective sleeve is arranged on the outer side of the lead and welded on one side of the wire connector.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the pressure in the pressure gauge is high, the sliding block is subjected to outward pressure, at the moment, the spring contracts to enable the sliding block to slide outwards, the air inlet pipe, the safety valve and the air outlet are communicated after the sliding block moves to the moving position, and the pressure is relieved through the air outlet, so that the situation that the pressure in the pressure gauge is high when the pressure gauge is used and the pressure gauge explodes is avoided;

2. the nano silicon coating layer used by the self-cleaning layer has the performance of hydrophobic property and difficult dust adhesion, and can keep the outer surface of the protective cover clean for a long time;

3. the spanner is convenient for workers to hold, so that the threaded rod can be rotated conveniently;

4. the setting of movable seal circle is used for sealing the space between slider and the relief valve, increases the leakproofness between slider and the relief valve.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

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

FIG. 3 is a schematic view of the internal structure of the present invention;

fig. 4 is a schematic view of the internal structure of the safety valve of the present invention.

In the figure: 1. a pressure gauge; 2. a protective cover; 3. an air inlet pipe; 4. a safety valve; 5. a wire; 6. a protective sleeve; 7. a wire connector; 8. a self-cleaning layer; 9. an air outlet; 10. a threaded rod; 11. a wrench; 12. a drying chamber; 13. a slider; 14. a spring; 15. a top plate; 16. a threaded barrel; 17. and a dynamic seal ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3, and fig. 4, in an embodiment of the present invention, a diaphragm shock-proof electric contact pressure gauge includes a pressure gauge 1; 1 side of manometer is passed through bolt fixed mounting and is had wire connector 7, wire 5 is installed in the 7 outside of wire connector, protective cover 2 is installed to 1 front end of manometer, 1 bottom swivelling joint of manometer has

intake pipe

3, 3 one sides of intake pipe are provided with relief valve 4, relief valve 4 passes through bolt fixed mounting in 3 one sides of intake pipe, 4 upper end intermediate positions of relief valve are provided with

gas outlet

9, 4 inside slidable mounting of relief valve have slider 13, slider 13 one side position welding has

spring

14, 4 inside spring 14 one sides that lie in of relief valve are provided with

roof

15, 15 one side swivelling joint of roof has threaded rod 10, threaded rod 10 outside swivelling joint has threaded

barrel

16, 16 welding of threaded barrel is in relief valve 4 one side.

Further, a movable sealing ring 17 is arranged on the outer side of the sliding block 13, the movable sealing ring 17 is sleeved on the outer side of the sliding block 13, and the movable sealing ring 17 is arranged to seal a gap between the sliding block 13 and the safety valve 4, so that the sealing performance between the sliding block 13 and the safety valve 4 is improved.

Further, threaded rod 10 one side is provided with spanner 11, and spanner 11 welds in the threaded rod 10 outside, and spanner 11 sets up and makes things convenient for the staff to control to be convenient for rotate threaded rod 10.

Further, the outer side of the protective cover 2 is provided with a self-cleaning layer 8, the self-cleaning layer 8 is arranged to be a nano silicon coating layer, the nano silicon coating layer used by the self-cleaning layer 8 has the performance that hydrophobic and dust are difficult to attach, and the outer surface of the protective cover 2 can be kept clean for a long time.

Further, 1 inboard of manometer is provided with drying chamber 12, and drying chamber 12 is inside to be filled there is the drier, and the inside drier of drying chamber 12 is used for carrying out the drying to 1 inside manometer, avoids inside humidity great, influences inside power component's use.

Further, 5 outsides of wire are provided with lag 6, and lag 6 welding is in 7 one sides of connector, and setting up of lag 6 is used for protecting wire 5, and it is great to avoid 5 ranges of buckling of wire when using, leads to wire 5 and 7 wiring departments of connector to take place cracked phenomenon.

The utility model discloses a theory of operation and use flow: when using, when the pressure of 1 inside manometer is great, slider 13 will receive outside pressure, at this moment, spring 14 will contract, make slider 13 outwards slide, after slider 13 removed the shift position, intake pipe 3 and relief valve 4 and gas outlet 9 carry out the UNICOM, carry out the pressure release through gas outlet 9, avoid when using 1 inside pressure of manometer is great, lead to manometer 1 to take place to explode, when needing to adjust 1 internal pressure peak value of manometer, rotatory threaded rod 10, threaded rod 10 will rotate and get into or rotatory relief valve 4 that stretches out, adjust spring 14's elasticity, thereby change 1 inside pressure peak value of manometer.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A diaphragm shock-proof electric contact pressure gauge comprises a pressure gauge (1); the method is characterized in that: wire connector (7) are installed through bolt fixed mounting to manometer (1) side, wire (5) are installed in wire connector (7) outside, protective cover (2) are installed to manometer (1) front end, intake pipe (3) are installed in manometer (1) bottom rotation, intake pipe (3) one side is provided with relief valve (4), relief valve (4) are installed in intake pipe (3) one side through bolt fixed mounting, relief valve (4) upper end intermediate position is provided with gas outlet (9), inside slidable mounting of relief valve (4) has slider (13), the welding of slider (13) one side position has spring (14), relief valve (4) inside is located spring (14) one side and is provided with roof (15), threaded rod (10) are installed in roof (15) one side rotation, threaded rod (10) outside rotation mounting has a screw thread section of thick bamboo (16), the welding of screw thread section of thick bamboo (16) is in relief valve (4) one side.

2. A diaphragm, shock-resistant electro-contact pressure gauge as set forth in claim 1, wherein: and a movable sealing ring (17) is arranged on the outer side of the sliding block (13), and the movable sealing ring (17) is sleeved on the outer side of the sliding block (13).

3. A diaphragm, shock-resistant electrical contact pressure gauge as defined in claim 1, wherein: a wrench (11) is arranged on one side of the threaded rod (10), and the wrench (11) is welded on the outer side of the threaded rod (10).

4. A diaphragm, shock-resistant electro-contact pressure gauge as set forth in claim 1, wherein: the self-cleaning protective cover is characterized in that a self-cleaning layer (8) is arranged on the outer side of the protective cover (2), and the self-cleaning layer (8) is arranged to be a nano silicon coating layer.

5. A diaphragm, shock-resistant electrical contact pressure gauge as defined in claim 1, wherein: the inner side of the pressure gauge (1) is provided with a drying cavity (12), and a drying agent is filled in the drying cavity (12).

6. A diaphragm, shock-resistant electrical contact pressure gauge as defined in claim 1, wherein: and a protective sleeve (6) is arranged on the outer side of the lead (5), and the protective sleeve (6) is welded on one side of the wire connector (7).