CN216160067U

CN216160067U - Vacuum capsule manometer

Info

Publication number: CN216160067U
Application number: CN202121447838.7U
Authority: CN
Inventors: 朱锡林; 朱恒君; 杜春梅; 吕莉; 张美杰
Original assignee: Jiechuang Instrument Technology Shenyang Co ltd
Current assignee: Jiechuang Instrument Technology Shenyang Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-04-01
Anticipated expiration: 2031-06-28

Abstract

The utility model belongs to the technical field of pressure gauges, and discloses a vacuum bellows pressure gauge, which comprises a gauge cover, wherein one side of the gauge cover is provided with a dial plate, the bottom of the gauge cover is provided with an outer wall pipe, the inside of the outer wall pipe is provided with a stamping pipe, the outer surface of the outer wall pipe is provided with an installation thread, a sleeve is arranged above the outer wall pipe, the bottom of the sleeve is provided with a sealing sleeve, the outer wall of the gauge cover is internally provided with a fixing nut, and the outer surface of the gauge cover is provided with a dust-proof shell. The accuracy of data measurement is increased.

Description

Vacuum capsule manometer

Technical Field

The utility model belongs to the technical field of pressure gauges, and particularly relates to a vacuum diaphragm capsule pressure gauge.

Background

A vacuum capsule pressure gauge is used for measuring the vacuum pressure of liquid and gas without explosion, crystallization and solidification and corrosion to copper and copper alloy, is widely used in industrial self-control environment, and relates to the industries of petroleum pipelines, water conservancy and hydropower, railway traffic, intelligent buildings and the like.

In the prior art, when the vacuum capsule pressure gauge is installed on a pipeline, the air tightness is not high, so that the measured data is inaccurate, and after the vacuum capsule pressure gauge is used for a long time, nuts on the surface of the vacuum capsule pressure gauge are easy to corrode or rust, so that the maintenance of workers is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a vacuum capsule pressure gauge, which aims to solve the problems that the existing vacuum capsule pressure gauge is low in installation air tightness and nuts on the surface of the existing vacuum capsule pressure gauge are easy to rust or corrode after being used for a long time.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a vacuum capsule manometer, includes the table lid, one side of table lid is provided with the dial plate, outer wall pipe is installed to the bottom of table lid, the internally mounted of outer wall pipe has the punching press pipe, the surface of outer wall pipe is provided with the installation screw thread, the top of outer wall pipe is provided with the sleeve pipe, the seal cover is installed to sheathed tube bottom.

Preferably, the outer wall internally mounted of table lid has fixation nut, the surface of table lid is provided with the dust cover, the connecting block is installed to one side of dust cover, the fixture block is installed to the bottom of connecting block.

Preferably, the surface top of outer wall pipe is provided with the external screw thread, sheathed tube inside is provided with the internal thread, the internal thread cooperatees with the external screw thread.

Preferably, the outer surface of the sleeve is provided with a hexagonal threaded sleeve, and sealant is arranged below the inner wall of the sealing sleeve.

Preferably, the diameter of the sealant is smaller than the outer diameter of the mounting thread, and the sealant is screwed with the mounting thread.

Preferably, the dustproof shell is located the surface of fixation nut, the fixture block hugs closely in the edge of dial plate.

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

(1) the vacuum bellows pressure gauge is provided with the sleeve and the sealing sleeve, the sleeve drives the sealing sleeve to move towards the direction of the mounting thread through the mutual matching of the internal thread and the external thread in the sleeve, and the part of the mounting thread exposed outside is effectively sealed through the sealant in the mounting thread, so that the air tightness between the vacuum bellows pressure gauge and a pipeline can be effectively increased, and the accuracy of data measurement is improved.

(2) The dustproof shell and the clamping block are arranged, the fixing nut on the surface of the gauge cover is effectively covered by the dustproof shell, and meanwhile, the dustproof shell is stably fixed on the surface of the gauge cover by the clamping block, so that the situation that the fixing nut is corroded and rusted when exposed in a working environment for a long time can be prevented, and a worker can conveniently maintain the vacuum diaphragm capsule pressure gauge in the follow-up process.

Drawings

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

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

FIG. 3 is a cross-sectional view of the bushing of the present invention;

in the figure: 1. a watch cover; 2. an outer wall pipe; 3. installing threads; 4. punching a pipe; 5. a sleeve; 6. a hexagonal screw sleeve; 7. sealing sleeves; 8. a dust-proof shell; 9. a dial plate; 10. connecting blocks; 11. a clamping block; 12. fixing a nut; 13. an external thread; 14. an internal thread; 15. and (7) sealing the glue.

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, the present invention provides the following technical solutions: the utility model provides a vacuum capsule manometer, including table lid 1, one side of table lid 1 is provided with dial plate 9, outer wall pipe 2 is installed to the bottom of table lid 1, the internally mounted of outer wall pipe 2 has a punching press pipe 4, punching press pipe 4 can be with the pressure transmission in the pipeline to table lid 1, and show pressure from dial plate 9, the surface of outer wall pipe 2 is provided with mounting thread 3, the top of outer wall pipe 2 is provided with sleeve pipe 5, sleeve pipe 5 can promote seal cover 7 and remove towards the mounting thread direction, seal cover 7 is installed to sleeve pipe 5's bottom.

Further, the outer wall internally mounted of table lid 1 has fixation nut 12, and the surface of table lid 1 is provided with dust cover 8, and dust cover 8 can effectually prevent that rust condition from corroding appearing in fixation nut 12, and connecting block 10 is installed to one side of dust cover 8, and fixture block 11 is installed to the bottom of connecting block 10, and fixture block 11 can be with the stability that increases dust cover 8.

Furthermore, the outer wall pipe 2 is provided with an external thread 13 on the surface, the sleeve 5 is provided with an internal thread 14 inside, and the internal thread 14 is matched with the external thread 13, so that the sleeve 5 can be conveniently moved on the surface of the outer wall pipe 2.

Specifically, the surface of sleeve pipe 5 is provided with hexagonal swivel nut 6, and hexagonal swivel nut 6 can make things convenient for the staff to twist sleeve pipe 5 and move, and the inner wall below of seal cover 7 is provided with sealed glue 15, and sealed glue 15 can increase the gas tightness between installation screw thread 3 and the pipeline.

It is worth noting that the diameter of the sealant 15 is smaller than the outer diameter of the mounting thread 3, and the sealant 15 is screwed with the mounting thread 3, so that the sealant 15 can effectively enter the gap of the mounting thread 3.

Further, dustproofing shell 8 is located fixation nut 12's surface, and dustproofing shell 8 can prevent fixation nut 12 corrosion or rust with the effectual parcel of fixation nut 12, and fixture block 11 hugs closely in the edge of dial plate 9, can effectually fix dustproofing shell 8 on the surface of table lid 1 like this.

The working principle and the using process of the utility model are as follows: when the dial plate sealing device is used, the dial plate 1 and the dial plate 9 are installed on a pipeline through the installation threads 3 on the outer wall pipe 2, the hexagonal thread sleeve 6 is screwed to drive the sleeve 5 to move downwards on the outer wall pipe 2, and when the sealing sleeve 7 on the sleeve 5 moves to the position above the installation threads 3, the sealing glue 15 in the sealing sleeve 7 is matched with the installation threads 3, so that the installation threads 3 are sealed through the sealing glue 15;

thereafter, the dust-proof case 8 is covered on the surface of the watch case 1, so that the dust-proof case 8 covers the fixing nut 12 on the surface of the watch case 1, and the dust-proof case 8 is fixed on the surface of the watch case 1 by the latch 11.

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 vacuum capsule manometer, includes table lid (1), its characterized in that: one side of table lid (1) is provided with dial plate (9), outer wall pipe (2) are installed to the bottom of table lid (1), the internally mounted of outer wall pipe (2) has punching press pipe (4), the surface of outer wall pipe (2) is provided with installation screw thread (3), the top of outer wall pipe (2) is provided with sleeve pipe (5), seal cover (7) are installed to the bottom of sleeve pipe (5).

2. The evacuated bellows pressure gauge according to claim 1, wherein: the utility model discloses a dustproof cover for a vehicle, including table lid (1), the outer wall internally mounted of table lid (1) has fixation nut (12), the surface of table lid (1) is provided with dust cover (8), connecting block (10) are installed to one side of dust cover (8), fixture block (11) are installed to the bottom of connecting block (10).

3. The evacuated bellows pressure gauge according to claim 1, wherein: the surface top of outer wall pipe (2) is provided with external screw thread (13), the inside of sleeve pipe (5) is provided with internal thread (14), internal thread (14) and external screw thread (13) cooperate.

4. The evacuated bellows pressure gauge according to claim 1, wherein: the outer surface of the sleeve (5) is provided with a hexagonal threaded sleeve (6), and a sealant (15) is arranged below the inner wall of the sealing sleeve (7).

5. The evacuated bellows pressure gauge according to claim 4, wherein: the diameter of the sealant (15) is smaller than the outer diameter of the mounting thread (3), and the sealant (15) is in threaded connection with the mounting thread (3).

6. The evacuated bellows pressure gauge according to claim 2, wherein: the dustproof shell (8) is located on the outer surface of the fixing nut (12), and the clamping block (11) is tightly attached to the edge of the dial (9).