CN216410558U

CN216410558U - Gas pipeline tightness detects uses manometer

Info

Publication number: CN216410558U
Application number: CN202122715275.1U
Authority: CN
Inventors: 郑仁拯; 张云莉
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-04-29
Anticipated expiration: 2031-11-08

Abstract

The utility model discloses a pressure gauge for tightness detection of a gas pipeline, which comprises a gas pipeline, wherein the top of the gas pipeline is communicated with a fixed disc, the top of the fixed disc is provided with a pressure gauge, the bottom of the pressure gauge is fixedly connected with a connecting disc, the bottom of the connecting disc is fixedly connected with a sealing sheet I, the top of the fixed disc is fixedly connected with a sealing ring, the top of the fixed disc is fixedly connected with a sealing gasket, and the top of the sealing gasket and the top of the sealing ring are both contacted with the bottom of the sealing sheet I. The gas pipeline, the fixed disc, the pressure gauge, the connecting disc, the sealing disc I, the sealing ring, the sealing gasket and the fixed sleeve I are matched for use, and the problems that when the existing pressure gauge is connected with the gas pipeline, the pressure gauge is communicated with the gas pipeline through threads, the sealing performance of the pressure gauge is low, gaps are easy to occur, and danger is caused in the use process are solved.

Description

Gas pipeline tightness detects uses manometer

Technical Field

The utility model relates to the technical field of gas pipelines, in particular to a pressure gauge for tightness detection of a gas pipeline.

Background

The manometer can be used in gas pipeline tightness detects, and the manometer needs be connected with gas pipeline when using, but current manometer when being connected with gas pipeline, and the manometer communicates through screw thread and gas pipeline, makes the leakproofness of manometer in the use lower, appears the gap easily, causes danger.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the background art, the utility model aims to provide a pressure gauge for detecting tightness of a gas pipeline, which has the advantage of good sealing performance and solves the problems that when the existing pressure gauge is connected with the gas pipeline, the pressure gauge is communicated with the gas pipeline through threads, so that the sealing performance of the pressure gauge is low in the using process, gaps are easy to occur, and danger is caused.

In order to achieve the purpose, the utility model provides the following technical scheme: a pressure gauge for detecting tightness of a gas pipeline comprises a gas pipeline;

the top of the gas pipeline is communicated with a fixed disk, the top of the fixed disk is provided with a pressure gauge, the bottom of the pressure gauge is fixedly connected with a connecting disk, the bottom of the connecting disk is fixedly connected with a sealing sheet I, the top of the fixed disk is fixedly connected with a sealing ring, the tops of the sealing ring and the sealing ring are both contacted with the bottom of the sealing sheet I, the back of the gas pipeline is provided with a fixed sleeve I, the front of the gas pipeline is provided with a fixed sleeve II, the bottom of the front of the fixed sleeve I and the bottom of the back of the fixed sleeve II are both fixedly connected with semicircular sealing sheets, the top of the front of the fixed sleeve I and the top of the back of the fixed sleeve II are both provided with grooves, the inner walls of the grooves are fixedly connected with sealing sleeves, and the surfaces of the fixed disk and the connecting disk are both contacted with the inner walls of the sealing sleeves, the bottom of recess inner wall has seted up the thread groove, the top of fixed cover one and fixed cover two all is provided with the fastening bolt with thread groove threaded connection, the front of fixed cover two is provided with fixing bolt, the back of fixed cover one is provided with the nut with fixing bolt threaded connection, the bottom cover on manometer surface is equipped with the sealing washer, the top of fixed cover one and fixed cover two all contacts with the bottom of sealing washer.

Preferably, the top of the sealing ring is provided with a gasket, and the top of the gasket is contacted with the bottom of the fastening bolt.

Preferably, the number of the sealing rings is four, and the top of each sealing ring is arc-shaped.

Preferably, the number of the fixing bolts is five, and the number of the nuts is the same as the number of the fixing bolts.

Preferably, the top of the fastening bolt is provided with a shield, and the bottom of the shield is in contact with the top of the gasket.

Preferably, the sealing sleeve is semicircular, and the first sealing piece is thicker than the sealing gasket.

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

1. the gas pipeline, the fixed disc, the pressure gauge, the connecting disc, the sealing disc I, the sealing ring, the sealing gasket and the fixed sleeve I are matched for use, and the problems that when the existing pressure gauge is connected with the gas pipeline, the pressure gauge is communicated with the gas pipeline through threads, the sealing performance of the pressure gauge is low, gaps are easy to occur, and danger is caused in the use process are solved.

2. According to the utility model, the gasket is arranged, so that the friction force between the fastening bolt and the sealing ring can be reduced, the sealing ring is prevented from being scratched by the fastening bolt in the tightening process, and the service life of the sealing ring is prolonged.

3. According to the utility model, the number of the sealing rings is four, so that the stability between the sealing gasket and the sealing sheet I can be increased.

4. According to the utility model, the number of the fixing bolts is five, so that the fixing bolts can stably connect the first fixing sleeve and the second fixing sleeve.

5. According to the utility model, the protective cover is arranged, so that the fastening bolt can be protected, and the phenomenon that the external foreign matter pollutes the surface of the fastening bolt is avoided.

6. According to the utility model, the shape of the sealing sleeve is set to be semicircular, so that the inner wall of the sealing sleeve can be better contacted with the surfaces of the fixed disk and the connecting disk.

Drawings

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

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is a left side view of the second fixing sleeve of the present invention;

fig. 4 is a perspective view of the sealing ring of the present invention.

In the figure: 1. a gas pipeline; 2. fixing the disc; 3. a pressure gauge; 4. a connecting disc; 5. a first sealing sheet; 6. a seal ring; 7. a gasket; 8. fixing a sleeve I; 9. fixing a second sleeve; 10. a semicircular sealing sheet; 11. a groove; 12. sealing sleeves; 13. a thread groove; 14. fastening a bolt; 15. fixing the bolt; 16. a nut; 17. a seal ring; 18. a gasket; 19. a shield.

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.

As shown in fig. 1 to 4, the pressure gauge for detecting the tightness of a gas pipe provided by the present invention comprises a gas pipe 1;

the top of a gas pipeline 1 is communicated with a fixed disk 2, the top of the fixed disk 2 is provided with a pressure gauge 3, the bottom of the pressure gauge 3 is fixedly connected with a connecting disk 4, the bottom of the connecting disk 4 is fixedly connected with a sealing sheet I5, the top of the fixed disk 2 is fixedly connected with a sealing ring 6, the top of the fixed disk 2 is fixedly connected with a sealing gasket 7, the tops of the sealing gasket 7 and the sealing ring 6 are both contacted with the bottom of the sealing sheet I5, the back of the gas pipeline 1 is provided with a fixed sleeve I8, the front of the gas pipeline 1 is provided with a fixed sleeve II 9, the front bottom of the fixed sleeve I8 and the back bottom of the fixed sleeve II 9 are both fixedly connected with a semicircular sealing sheet 10, the front top of the fixed sleeve I8 and the back of the fixed sleeve II 9 are both provided with grooves 11, the inner wall of each groove 11 is fixedly connected with a sealing sleeve 12, and the surfaces of the fixed disk 2 and the connecting disk 4 are both contacted with the inner wall of the sealing sleeve 12, thread groove 13 has been seted up to the bottom of recess 11 inner wall, the top of fixed cover one 8 and fixed cover two 9 all is provided with fastening bolt 14 with thread groove 13 threaded connection, the front of fixed cover two 9 is provided with fixing bolt 15, the back of fixed cover one 8 is provided with the nut 16 with fixing bolt 15 threaded connection, the bottom cover on manometer 3 surface is equipped with sealing washer 17, the top of fixed cover one 8 and fixed cover two 9 all contacts with the bottom of sealing washer 17.

Referring to fig. 3, the top of the packing 17 is provided with a washer 18, and the top of the washer 18 is in contact with the bottom of the fastening bolt 14.

As a technical optimization scheme of the utility model, the gasket 18 is arranged, so that the friction force between the fastening bolt 14 and the sealing ring 17 can be reduced, the sealing ring 17 is prevented from being scratched by the fastening bolt 14 in the tightening process, and the service life of the sealing ring 17 is prolonged.

Referring to fig. 2, the number of the sealing rings 6 is four, and the top of the sealing ring 6 is shaped in an arc.

As a technical optimization of the present invention, the stability between the gasket 7 and the first sealing piece 5 can be increased by setting the number of the sealing rings 6 to four.

Referring to fig. 3, the number of the fixing bolts 15 is five, and the number of the nuts 16 is the same as the number of the fixing bolts 15.

As a technical optimization scheme of the present invention, the fixing bolts 15 can stably connect the first fixing sleeve 8 and the second fixing sleeve 9 by setting the number of the fixing bolts 15 to five.

Referring to fig. 2, the top of the fastening bolt 14 is provided with a shield 19, and the bottom of the shield 19 is in contact with the top of the washer 18.

As a technical optimization scheme of the utility model, the protective cover 19 is arranged to protect the fastening bolt 14, so that the phenomenon that the surface of the fastening bolt 14 is polluted by external foreign matters is avoided.

Referring to fig. 2, the sealing sleeve 12 is semicircular in shape, and the thickness of the first sealing piece 5 is greater than that of the sealing pad 7.

As a technical optimization scheme of the utility model, the inner wall of the sealing sleeve 12 can be better contacted with the surfaces of the fixed disc 2 and the connecting disc 4 by setting the shape of the sealing sleeve 12 to be semicircular.

The working principle and the using process of the utility model are as follows: when the sealing device is used, the sealing ring 6 at the top of the fixed disk 2 is in contact with the sealing sheet I5 at the bottom of the connecting disk 4, the bottom of the sealing sheet I5 is in contact with the top of the sealing gasket 7, the first sealing can be carried out on the communication position of the fixed disk 2 and the connecting disk 4, the fixed sleeve I8 and the fixed sleeve II 9 can be fixed at the connecting position of the fixed disk 2 and the connecting disk 4 under the fixation of the fixing bolt 15 and the nut 16, the sealing performance between the fixed disk 2 and the connecting disk 4 is improved, the sealing sleeve 12 in the groove 11 is in contact with the fixed disk 2 and the connecting disk 4, the sealing performance at the connecting position of the fixed disk 2 and the connecting disk 4 is further improved, the semicircular sealing sheet 10 is in contact with the surface of the pressure gauge 3, the tops of the fixed sleeve I8 and the fixed sleeve II 9 are both in contact with the bottom of the sealing ring 17, and gaps between the fixed sleeve I8 and the fixed sleeve II 9 and the pressure gauge 3 can be sealed, the tightness between the fixed disc 2 and the connecting disc 4 is further improved, then the bottom of the fastening bolt 14 compresses the sealing ring 17 through the gasket 18, after the fastening bolt 14 is contacted with the inner wall of the thread groove 13, the fastening bolt 14 and the nut 16 are sequentially tightened through tools, the tightness of the joint of the connecting disc 4 and the fixed disc 2 is further improved, the tightness when the pressure gauge 3 is connected with the gas pipeline 1 is increased, and the advantage of good tightness is achieved.

In summary, the following steps: this gas pipeline tightness detects uses manometer through the cooperation that sets up gas pipeline 1, fixed disk 2, manometer 3, connection pad 4, gasket 5, sealing ring 6, sealed 7 and fixed cover 8 of filling up, has solved current manometer and when being connected with gas pipeline, and the manometer communicates through screw thread and gas pipeline, makes the manometer leakproofness in the use lower, appears the gap easily, causes dangerous problem.

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. A pressure gauge for detecting tightness of a gas pipeline comprises a gas pipeline (1);

the method is characterized in that: the top intercommunication of gas pipeline (1) has fixed disk (2), the top of fixed disk (2) is provided with manometer (3), the bottom fixedly connected with connection pad (4) of manometer (3), the bottom fixedly connected with gasket (5) of connection pad (4), the top fixedly connected with sealing ring (6) of fixed disk (2), the top fixedly connected with of fixed disk (2) fills up the pad (7), the top of filling up pad (7) and sealing ring (6) all contacts with the bottom of gasket (5), the back of gas pipeline (1) is provided with fixed cover (8), the front of gas pipeline (1) is provided with fixed cover two (9), the positive bottom of fixed cover one (8) and the bottom at the back of fixed cover two (9) all fixedly connected with semi-circular gasket (10), the top of the front surface of the first fixing sleeve (8) and the top of the back surface of the second fixing sleeve (9) are both provided with grooves (11), the inner wall of the groove (11) is fixedly connected with a sealing sleeve (12), the surfaces of the fixed disc (2) and the connecting disc (4) are both contacted with the inner wall of the sealing sleeve (12), the bottom of the inner wall of the groove (11) is provided with a thread groove (13), the tops of the first fixing sleeve (8) and the second fixing sleeve (9) are respectively provided with a fastening bolt (14) in threaded connection with the thread groove (13), the front surface of the second fixing sleeve (9) is provided with a fixing bolt (15), the back surface of the first fixing sleeve (8) is provided with a nut (16) in threaded connection with the fixing bolt (15), the bottom cover on manometer (3) surface is equipped with sealing washer (17), the top of fixed cover one (8) and fixed cover two (9) all contacts with the bottom of sealing washer (17).

2. The pressure gauge for detecting the tightness of a gas pipe according to claim 1, wherein: the top of the sealing ring (17) is provided with a gasket (18), and the top of the gasket (18) is in contact with the bottom of the fastening bolt (14).

3. The pressure gauge for detecting the tightness of a gas pipe according to claim 1, wherein: the number of the sealing rings (6) is four, and the top of each sealing ring (6) is arc-shaped.

4. The pressure gauge for detecting the tightness of a gas pipe according to claim 1, wherein: the number of the fixing bolts (15) is five, and the number of the nuts (16) is the same as that of the fixing bolts (15).

5. The pressure gauge for detecting the tightness of a gas pipe according to claim 2, wherein: the top of the fastening bolt (14) is provided with a protective cover (19), and the bottom of the protective cover (19) is in contact with the top of the gasket (18).

6. The pressure gauge for detecting the tightness of a gas pipe according to claim 1, wherein: the sealing sleeve (12) is semicircular, and the thickness of the sealing piece I (5) is larger than that of the sealing pad (7).