CN215524905U

CN215524905U - Pressure gauge capable of protecting gas leakage

Info

Publication number: CN215524905U
Application number: CN202122225990.7U
Authority: CN
Inventors: 程世伦; 成峰; 邢凯; 贾莹莹
Original assignee: Maanshan Exact Instrument Co ltd
Current assignee: Maanshan Exact Instrument Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-01-14
Anticipated expiration: 2031-09-14

Abstract

The utility model discloses a pressure gauge capable of protecting gas leakage, which comprises an internal elastic element, a dial plate, a meter shell and a back plate, wherein the meter shell is movably connected with the back plate through a side wall opening; this but protection's manometer is revealed to gas, wherein in the inside elastic element that atmospheric pressure got into the manometer by the air-in connector, make inside elastic element produce deformation, thereby it rotates to drive the pointer on the dial plate, wherein the face stretches into the groove through the arc, the watchcase is connected with supplementary screens device to the O type sealing washer, supplementary screens device plays and stretches into the supplementary screens effect of groove for the arc, because this manometer has configured swing joint's postnotum, when the too big condition of atmospheric pressure of leaking appears, other of leaking can directly spread the postnotum open, thereby play the effect of people and thing around the protection product, the security is good, postnotum encapsulation is convenient simultaneously.

Description

Pressure gauge capable of protecting gas leakage

Technical Field

The utility model relates to the technical field of pressure gauges, in particular to a pressure gauge capable of protecting gas leakage.

Background

The pressure gauge is a meter which takes an elastic element as a sensitive element and measures and indicates the pressure higher than the ambient pressure, is very commonly applied and almost extends to all the fields of industrial processes and scientific researches. The pressure gauge is widely available in the fields of heating power pipe networks, oil and gas transmission, water and gas supply systems, vehicle maintenance plants and shops and the like.

Traditional manometer has certain product safety problem, and wherein the manometer has welding process in process of production to lead to the manometer risk that the in-process that uses can appear leaking, traditional manometer only venthole is too little, if leak atmospheric pressure is too big, can lead to the product to appear exploding, not only give the manometer and take the place of the damage, still can bring certain harm for near people and thing of manometer simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pressure gauge capable of protecting gas leakage, which has the advantages of good safety and convenience in packaging and can solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

a pressure gauge capable of protecting gas leakage comprises an internal elastic element, a dial plate, a meter shell and a back plate, wherein the internal elastic element and the dial plate are arranged on the inner side of the meter shell, an air inlet joint and a top oil plug are respectively arranged at two ends of the meter shell, an opening is formed in one side of the meter shell, the meter shell is movably connected with the back plate through the opening, the back plate comprises an O-shaped sealing ring, an arc-shaped extending groove, a plate surface and an auxiliary clamping device, the arc-shaped extending groove is arranged at the edge of the plate surface, the arc-shaped extending groove and the plate surface are in contact connection with the inner wall of the meter shell, the O-shaped sealing ring and the auxiliary clamping device are arranged in a gap between the arc-shaped extending groove and the meter shell, the auxiliary clamping device comprises an arc-shaped block, a sheath and a metal elastic sheet, the sheath is fixed on the inner wall of the meter shell, the metal elastic sheet is arranged in the inner cavity of the sheath, the metal elastic sheet is in contact with the end center of the arc-shaped block, and the edge of the arc-shaped block is movably connected with the sheath, the cambered surface of the cambered block is contacted with the cambered extending groove.

Preferably, the edge of the inner wall of the sheath is provided with a clamping groove, and the sheath is connected with the metal elastic sheet through the clamping groove.

Preferably, the arc-shaped extending grooves are distributed in a wavy manner, and are also contacted with the end face of the watch case.

Preferably, one end of the air inlet connector is connected with the internal elastic element, and the air inlet connector is further connected with the dial plate.

Preferably, the inner wall of the plate surface is provided with reinforcing bar grooves which are uniformly and crossly distributed, and the connecting part of the plate surface and the arc extending groove is provided with a supporting rib.

Compared with the prior art, the utility model has the following beneficial effects:

this but protection's manometer is revealed to gas, wherein in the inside elastic element that atmospheric pressure got into the manometer by the air-inlet joint, make inside elastic element produce deformation, thereby it rotates to drive the pointer on the dial plate, swing joint's backplate is installed to the opening part of watchcase one side, wherein the face stretches into the groove through the arc, O type sealing washer is connected the watchcase with supplementary screens device, supplementary screens device plays and stretches into the supplementary screens effect of groove for the arc, because this manometer has configured swing joint's backplate, when the too big condition of atmospheric pressure that leaks appears, other of leaking can directly spread out the backplate, thereby play the effect of people and thing around the protection product, the security is good, backplate encapsulation is convenient simultaneously.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the structure at A of the present invention;

fig. 3 is a schematic structural view of the auxiliary locking device of the present invention.

In the figure: 1. an inner elastic element; 2. a watch case; 3. a dial plate; 4. an air inlet joint; 5. a back panel; 51. an O-shaped sealing ring; 52. the arc extends into the groove; 53. plate surface; 531. a support rib; 54. an auxiliary clamping device; 541. an arc-shaped block; 542. a sheath; 543. a metal spring sheet; 6. a top oil plug.

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. 1-3, a pressure gauge capable of protecting gas leakage comprises an internal elastic element 1, a dial 3, a case 2 and a backplate 5, wherein the internal elastic element 1 and the dial 3 are both installed inside the case 2, an air inlet connector 4 and a top oil plug 6 are respectively installed at two ends of the case 2, one end of the air inlet connector 4 is connected with the internal elastic element 1, the air inlet connector 4 is further connected with the dial 3, air pressure enters the internal elastic element 1 of the pressure gauge through the air inlet connector 4 to deform the internal elastic element 1, so as to drive a pointer on the dial 3 to rotate, a pressure scale matched with the air pressure is printed on the surface of the dial 3, so as to correctly indicate the air pressure entering the pressure gauge, an opening is arranged at one side of the case 2, the case 2 is movably connected with the backplate 5 through the opening, the backplate 5 comprises an O-ring 51, a sealing ring, The watch comprises an arc-shaped extending groove 52, a board 53 and an auxiliary clamping device 54, wherein the edge of the board 53 is provided with the arc-shaped extending groove 52, the inner wall of the board 53 is provided with reinforcing bar grooves which are uniformly and crossly distributed, the strength of the board 53 is increased by the reinforcing bar grooves, a supporting rib 531 is arranged at the joint of the board 53 and the arc-shaped extending groove 52, the supporting rib 531 ensures the strength of the joint of the board 53 and the arc-shaped extending groove 52, the arc-shaped extending groove 52 and the board 53 are both in contact connection with the inner wall of the watch case 2, an O-shaped sealing ring 51 and the auxiliary clamping device 54 are arranged in the gap between the arc-shaped extending groove 52 and the watch case 2, the arc-shaped extending groove 52 is in wavy distribution, the arc-shaped extending groove 52 is also in contact with the end face of the watch case 2, the auxiliary clamping device 54 plays an auxiliary clamping role, the auxiliary clamping device 54 comprises an arc-shaped block 541, a sheath 542 and a metal spring 543, the sheath 542 is fixed on the inner wall of the watch case 2, the metal spring 543 is arranged in the inner cavity of the sheath 542, the screens groove has been seted up to the inner wall edge of sheath 542, and metal shell fragment 543 is connected through the screens groove to sheath 542, and the screens groove can be given metal shell fragment 543 spacingly, and metal shell fragment 543 contacts with the terminal surface center of arc piece 541, the edge and the sheath 542 swing joint of arc piece 541, and arc piece 541's cambered surface and arc stretch into the contact of groove 52.

This but manometer of gas leakage protection, inside elastic element 1 and dial plate 3 are all installed at the inboard of watchcase 2, air inlet joint 4 and top oil plug 6 are installed respectively to the both ends of watchcase 2, wherein atmospheric pressure gets into in the inside elastic element 1 of manometer by air inlet joint 4, make inside elastic element 1 produce deformation, thereby drive the pointer on the dial plate 3 and rotate, there is the matched pressure scale on the surface printing of dial plate 3, thereby will get into the accurate instruction of the atmospheric pressure in the manometer, back plate 5 of swing joint is installed to the opening part of watchcase 2 one side, back plate 5 includes O type sealing washer 51, the arc stretches into groove 52, face 53 and supplementary screens device 54, wherein face 53 stretches into groove 52 through the arc, O type sealing washer 51 is connected with supplementary screens device 54 on the watchcase, supplementary screens device 54 plays for arc stretches into groove 52 supplementary screens effect, the auxiliary clamping device 54 comprises an arc block 541, a sheath 542 and a metal spring plate 543, the metal spring plate 543 is contacted with the center of the end face of the arc block 541, and the arc face of the arc block 541 is contacted with the arc extending groove 52; wherein in traditional manometer, because the manometer has welding process in process of production, thereby lead to the manometer risk that the in-process that uses can appear leaking, traditional manometer only venthole is too little, if the atmospheric pressure that leaks appears is too big, can lead to the product to appear exploding, and this manometer has configured swing joint's backplate 5, when the too big condition of atmospheric pressure that leaks appears, other of leaking can directly spread backplate 5, thereby play the effect of people and thing around the protection product.

In summary, the following steps: this but protection's manometer is revealed to gas, wherein in the inside elastic element 1 of manometer is got into by air connector 4 to atmospheric pressure, make inside elastic element 1 produce deformation, thereby it rotates to drive the pointer on the dial plate 3, the backplate 5 of swing joint is installed to the opening part of watchcase 2 one side, wherein face 53 stretches into groove 52 through the arc, watchcase 2 is connected with supplementary screens device 54 to O type sealing washer 51, supplementary screens device 54 plays and stretches into groove 52 supplementary screens effect for the arc, because this manometer has configured swing joint's backplate 5, when the too big condition of atmospheric pressure of leaking appears, other of leaking can directly open backplate 5, thereby play the effect of people and thing around the protection product, the security is good, backplate 5 encapsulates conveniently simultaneously.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a but manometer of gas leakage protection, includes inside elastic element (1), dial plate (3), watchcase (2) and backplate (5), its characterized in that: the inner elastic element (1) and the dial plate (3) are both arranged on the inner side of the watchcase (2), an air inlet joint (4) and a top oil plug (6) are respectively arranged at two ends of the watchcase (2), an opening is arranged on one side of the watchcase (2), the watchcase (2) is movably connected with the back plate (5) through the opening, the back plate (5) comprises an O-shaped sealing ring (51), an arc-shaped extending groove (52), a plate surface (53) and an auxiliary clamping device (54), the arc-shaped extending groove (52) and the plate surface (53) are both in contact connection with the inner wall of the watchcase (2), the O-shaped sealing ring (51) and the auxiliary clamping device (54) are arranged in a gap between the arc-shaped extending groove (52) and the watchcase (2), and the auxiliary clamping device (54) comprises an arc-shaped block (541), a sheath (542) and a metal elastic sheet (543), the sheath (542) is fixed on the inner wall of the watch case (2), a metal spring piece (543) is installed in the inner cavity of the sheath (542), the metal spring piece (543) is in contact with the center of the end face of the arc-shaped block (541), the edge of the arc-shaped block (541) is movably connected with the sheath (542), and the arc face of the arc-shaped block (541) is in contact with the arc-shaped extending groove (52).

2. A gas leak-protected pressure gauge according to claim 1, wherein: the inner wall edge of sheath (542) has seted up the screens groove, and metal shell fragment (543) are connected through the screens groove in sheath (542).

3. A gas leak-protected pressure gauge according to claim 1, wherein: the arc-shaped extending grooves (52) are distributed in a wavy manner, and the arc-shaped extending grooves (52) are also contacted with the end surface of the watchcase (2).

4. A gas leak-protected pressure gauge according to claim 1, wherein: one end of the air inlet joint (4) is connected with the internal elastic element (1), and the air inlet joint (4) is also connected with the dial (3).

5. A gas leak-protected pressure gauge according to claim 1, wherein: the inner wall of the plate surface (53) is provided with reinforcing bar grooves which are uniformly and crossly distributed, and a support rib (531) is arranged at the joint of the plate surface (53) and the arc-shaped extending groove (52).