CN214502759U

CN214502759U - Pressure gauge shell

Info

Publication number: CN214502759U
Application number: CN202120271265.0U
Authority: CN
Inventors: 张阳
Original assignee: Yuyao Henghui Instrument Co ltd
Current assignee: Yuyao Henghui Instrument Co ltd
Priority date: 2021-01-30
Filing date: 2021-01-30
Publication date: 2021-10-26
Anticipated expiration: 2031-01-30

Abstract

The application relates to a pressure gauge shell, including the casing, be located casing opening part's apron and set up in casing lateral wall's connecting pipe, casing outside cover is equipped with the protective sheath, the opening part of protective sheath with the opening part of casing is the same, the confession has been seted up to the inside wall of protective sheath the perforation that the connecting pipe passed. This application has characteristics such as life that has improved the manometer.

Description

Pressure gauge shell

Technical Field

The application relates to the technical field of pressure gauges, especially, relate to a pressure gauge watchcase.

Background

The existing pressure gauge is an instrument which takes an elastic element as a sensitive element and measures and indicates the pressure higher than the environmental pressure, is very commonly applied and almost extends to all the fields of industrial processes and scientific researches; the method is widely available in the fields of heat pipe networks, oil and gas transmission, water and gas supply systems, vehicle maintenance plants and shops and the like; especially in the industrial process control and technical measurement process, the mechanical pressure gauge is more and more widely applied due to the characteristics of high mechanical strength, convenient production and the like of the elastic sensitive element of the mechanical pressure gauge.

In view of the above-mentioned related technologies, the inventor believes that, in the process of using or transporting the pressure gauge, the pressure gauge itself only has the housing and the cover plate covering the housing, and the pressure gauge is very likely to collide with an external object, so that the housing or the cover plate of the pressure gauge is worn or broken.

SUMMERY OF THE UTILITY MODEL

In order to reduce the probability that the manometer weared and torn or breaks, this application provides a manometer case.

The above object of the present application is achieved by the following technical solutions:

the utility model provides a pressure gauge shell, includes the casing, is located the apron of casing opening part and set up in the connecting pipe of casing lateral wall, casing outside cover is equipped with the protective sheath, the opening part of protective sheath with the opening part of casing is the same, the confession has been seted up to the inside wall of protective sheath the perforation that the connecting pipe passed.

Through adopting above-mentioned technical scheme, when the manometer was in the transportation or was used, the periphery side and the outer bottom of casing were wrapped up to the protective sheath, and the manometer when bumping with external object, the protective sheath has played the effect of protection and buffering, and the manometer just reduces like this and receives wearing and tearing or ruptured probability, has improved the life of manometer.

Preferably, the cover plate is provided with a protruding ring on a peripheral side near one end of the housing, and an outer peripheral side of the protruding ring abuts against an inner peripheral side of the housing.

Through adopting above-mentioned technical scheme, when the installation apron, slide the bulge loop of apron and peg graft in the casing, apron and casing just have fixed like this, dismantle apron and casing after convenient, have improved the installation of apron and casing or the convenience of dismantling.

Preferably, the outer side wall circumference of bulge loop is provided with first solid fixed ring, the inside wall of casing be provided with the solid fixed ring of the mutual joint of first solid fixed ring.

Through adopting above-mentioned technical scheme, when the apron lid fits on the casing, the bulge loop of apron is pegged graft in the casing, and when the apron was inserted the casing completely, first solid fixed ring was fixed with the solid fixed ring mutual joint of second, has improved the stability of apron with the casing.

Preferably, a flange is circumferentially arranged on the inner side wall of the opening of the protective sleeve, and the flange is arranged between the shell and the cover plate.

Through adopting above-mentioned technical scheme, when apron and casing were installed, after first solid fixed ring and the solid fixed ring mutual joint of second, the turn-ups of protective sheath was pressed between by apron and casing, and the manometer just can not break away from out from the casing when transportation or use like this, and the stability of protective sheath has been improved.

Preferably, one end of the flanging, which is far away from the shell, is provided with a mounting groove for the cover plate to be embedded in.

Through adopting above-mentioned technical scheme, when the apron was fitted on the casing, in the apron embedding mounting groove, at this moment a terminal surface of protective sheath opening part was higher than the outer terminal surface of apron, when the apron of manometer fell downwards like this, the opening part of protective sheath had played the cushioning effect for the apron can not directly contact with the bump thing, has improved the life of apron.

Preferably, the bottom of the mounting groove is circumferentially provided with a sealing ring, and one side of the sealing ring, which is far away from the flanging, abuts against one end face of the cover plate.

Through adopting above-mentioned technical scheme, when apron and casing carry out the joint fixed, the apron is pressed the turn-ups of protective sheath on the casing, and at this moment an end of apron and one side butt of sealing ring can increase apron and turn-ups leakproofness like this, prevent that external water from getting into in the casing for the manometer internals is because the entering of water, thereby influences the normal operating of manometer, has further improved the life of manometer.

Preferably, a positioning block is arranged at one end, close to the shell, of the convex ring, and a positioning groove for inserting and fixing the positioning block is formed at one end, close to the cover plate, of the shell.

Through adopting above-mentioned technical scheme, when the installation apron, peg graft each other the locating piece and constant head tank fixed, make first solid fixed ring and the solid fixed ring joint of second after, the apron is difficult for rotatory, has strengthened the location connection before apron and the casing.

Preferably, the peripheral lateral wall of protective sheath evenly is provided with a plurality of anti-skidding sand grip.

Through adopting above-mentioned technical scheme, when the installation or from dismantling the protective sheath, can hold the lateral wall of protective sheath by the hand, under the effect of antiskid sand grip, prevent with the protective sheath phenomenon of skidding, can more conveniently install or dismantle the protective sheath.

To sum up, the beneficial technical effect of this application does:

1. the protective sleeve wraps the outer periphery side and the outer bottom of the shell, and plays a role in protection and buffering when the pressure gauge collides with an external object, so that the probability of abrasion or breakage of the pressure gauge is reduced, and the service life of the pressure gauge is prolonged;

2. when the cover plate and the shell are installed, after the first fixing ring and the second fixing ring are clamped with each other, the turned-over edge of the protective sleeve is pressed between the cover plate and the shell, so that the protective sleeve cannot be separated from the shell when the pressure gauge is transported or used, and the stability of the protective sleeve is improved;

3. when the installation or when dismantling the protective sheath, can hold the lateral wall of protective sheath by the hand, under the effect of antiskid sand grip, prevent with the protective sheath phenomenon of skidding, can more conveniently install or dismantle the protective sheath.

Drawings

FIG. 1 is an assembled view of a pressure gauge;

FIG. 2 is an exploded view of the case of the pressure gauge;

FIG. 3 is a cross-sectional view of a pressure gauge case;

fig. 4 is an enlarged view of a portion a in fig. 3.

Description of reference numerals: 1. a housing; 2. a cover plate; 3. a connecting pipe; 4. a protective sleeve; 5. perforating; 6. anti-skid convex strips; 7. a convex ring; 8. a first retaining ring; 9. a second retaining ring; 10. flanging; 11. mounting grooves; 12. a seal ring; 13. positioning blocks; 14. and (6) positioning a groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

Referring to fig. 1, a pressure gauge case includes a case 1, a cover plate 2 located at an opening of the case 1, and a connection pipe 3 disposed at a sidewall of the case 1.

Referring to fig. 1 and 2, apron 2 is transparent plastics, and the cover is equipped with protective sheath 4 in the casing 1 outside, and protective sheath 4 is rubber, and the opening part of protective sheath 4 is the same with the opening part of casing 1, and the perforation 5 that supplies connecting pipe 3 to pass is seted up to protective sheath 4's inside wall. The protective sheath 4 wraps the outer periphery side and the outer bottom of the shell 1, so that the pressure gauge is not in direct contact with an external object.

The periphery lateral wall of protective sheath 4 is even integrative to be provided with a plurality of anti-skidding sand grips 6. When holding the lateral wall of protective sheath 4, under the effect of antiskid sand grip 6, the reducible condition of skidding can be more conveniently installed or dismantle protective sheath 4.

The cover plate 2 is integrally provided with a protruding ring 7 on the periphery side near one end of the housing 1, and the outer periphery side of the protruding ring 7 abuts against the inner periphery side of the housing 1. When the cover plate 2 covers the opening of the shell 1, the convex ring 7 is inserted on the inner side wall of the shell 1.

Referring to fig. 3 and 4, the outer side wall of the convex ring 7 is integrally provided with an annular first fixing ring 8 in the circumferential direction, and the inner side wall of the casing 1 is integrally provided with four second fixing rings 9 which are mutually clamped and fixed with the first fixing ring 8 and are uniformly distributed in the circumferential direction. When the first fixing ring 8 is clamped with the four second fixing rings 9, the first fixing ring 8 is positioned on one side of the second fixing ring 9 close to the cover plate 2.

The inner side wall of the opening of the protective sleeve 4 is integrally provided with a flange 10 in the circumferential direction, and the flange 10 is positioned between the shell 1 and the cover plate 2. After the first fixing ring 8 and the second fixing ring 9 are clamped with each other, the flange 10 of the protective sleeve 4 is pressed between the cover plate 2 and the shell 1 by the cover plate 2.

The flange 10 is provided with a mounting groove 11 for the cover plate 2 to be embedded in at one end far away from the shell 1. In apron 2 embedding mounting groove 11, at this moment the terminal surface of 4 openings on the protective sheath is higher than the terminal surface of keeping away from casing 1 of apron 2, and when the apron 2 of manometer fell downwards, the opening part of protective sheath 4 had played the cushioning effect like this.

The bottom of the mounting groove 11 is integrally provided with a sealing ring 12 in the circumferential direction. Sealing ring 12 is located the inboard of mounting groove 11 bottom, and the vertical cross-section of sealing ring 12 is the semicircle, and protective sheath 4's one side is kept away from at turn-ups 10 to sealing ring 12, and sealing ring 12 butt in apron 2, when the solid fixed ring of joint of first solid fixed ring 8 and the solid fixed ring of second 9, apron 2 extrudees sealing ring 12 to increase apron 2 and turn-ups 10's leakproofness.

Referring to fig. 2, a positioning block 13 is integrally disposed at one end of the convex ring 7 close to the housing 1, and a positioning groove 14 for inserting and fixing the positioning block 13 is disposed at one end of the housing 1 close to the cover plate 2. The positioning block 13 and the positioning groove 14 are fixed in an inserting manner, so that the positioning connection between the cover plate 2 and the shell 1 is enhanced.

The implementation principle of the embodiment is as follows:

when the watchcase of installation manometer, hold protective sheath 4 lateral wall, later adorn casing 1 in protective sheath 4 for the opening part of casing 1 corresponds with the opening part of protective sheath 4, insert casing 1 with the bulge loop 7 of apron 2 in, until first solid fixed ring 8 and the solid fixed ring 9 joint of second are fixed, at this moment apron 2 compresses tightly turn-ups 10 with casing 1. The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A pressure gauge case, comprising: including casing (1), be located apron (2) of casing (1) opening part and set up in connecting pipe (3) of casing (1) lateral wall, casing (1) outside cover is equipped with protective sheath (4), the opening part of protective sheath (4) with the opening part of casing (1) is the same, the confession has been seted up to the inside wall of protective sheath (4) perforation (5) that connecting pipe (3) passed.

2. A pressure gauge case according to claim 1, wherein: the cover plate (2) is provided with a convex ring (7) on the periphery close to one end of the shell (1), and the periphery of the convex ring (7) is abutted against the inner periphery of the shell (1).

3. A pressure gauge case according to claim 2, wherein: the lateral wall circumference of bulge loop (7) is provided with first solid fixed ring (8), the inside wall of casing (1) be provided with first solid fixed ring (8) the solid fixed ring of second (9) of mutual joint fixed.

4. A pressure gauge case according to claim 1, wherein: the inner side wall of the opening of the protective sleeve (4) is circumferentially provided with a flanging (10), and the flanging (10) is arranged between the shell (1) and the cover plate (2).

5. A pressure gauge case according to claim 4, wherein: the flanging (10) is far away from one end of the shell (1) and is provided with a mounting groove (11) for the cover plate (2) to be embedded in.

6. A pressure gauge case according to claim 5, wherein: the bottom circumference of mounting groove (11) is provided with sealing ring (12), sealing ring (12) is keeping away from turn-ups (10) one side butt in the terminal surface of apron (2).

7. A pressure gauge case according to claim 3, wherein: the convex ring (7) is provided with a positioning block (13) at one end close to the shell (1), and a positioning groove (14) for inserting and fixing the positioning block (13) is formed at one end of the shell (1) close to the cover plate (2).

8. A pressure gauge case according to claim 1, wherein: the periphery lateral wall of protective sheath (4) evenly is provided with a plurality of anti-skidding sand grip (6).