Pressure gauge sealing device

Abstract

The utility model discloses a pressure gauge sealing device which comprises a first connecting pipe, one end of the first connecting pipe is provided with a three-way pipe, one end of the three-way pipe is fixedly communicated with a valve body, one end of the valve body is fixedly communicated with a second connecting pipe, the upper portion of the valve body is provided with a valve, and the liquid outlet portion of the three-way pipe is fixedly communicated with a through pipe. According to the pressure gauge sealing device, one end of the through cap is in threaded connection with the conduit hole at the front end of the second connecting part, the front end is in insertion connection, and the rear end is in threaded fixation, so that liquid enters the first threaded water pipe through the conduit hole and is guided into the second connecting cap through the first connecting cap connected with the first threaded water pipe; and the pressure is guided into the dial plate through the second connecting cap and enters the meter body for pressure measurement.

Description

Technical Field

[0001] The utility model relates to the technical field of a pressure gauge sealing device, in particular to a pressure gauge sealing device. Background Art

[0002] A pressure gauge is an instrument that uses an elastic element as a sensitive element to measure and indicate pressure higher than the ambient pressure. It is widely used in almost all industrial processes and scientific research fields, and can be seen everywhere in thermal pipelines, oil and gas transmission, water and gas supply systems, vehicle repair and maintenance shops, etc.

[0003] For example, a sealing device for a pressure gauge with patent publication number 202220987450.4, the key points of its technical solution are: it includes a connecting pipe, a mounting pipe, a fastening sleeve and a sealing assembly, a limiting retaining ring is provided on the outer peripheral side of the connecting pipe; a first external thread structure is provided on the outer peripheral side of the mounting pipe; the fastening sleeve is sleeved on the outside of the connecting pipe and the limiting retaining ring, and an internal thread structure that cooperates with the first external thread structure of the mounting pipe is provided on the inner side wall of the fastening sleeve, the fastening sleeve is connected to the mounting pipe by threads, a clamping ring is provided on the top of the fastening sleeve, and the bottom of the clamping ring abuts against the limiting retaining ring; the sealing assembly is provided between the mounting pipe and the limiting retaining ring, and the sealing assembly includes a sealing ring and an adjusting ring, the thickness of the adjusting ring gradually decreases from one end to the other end, and the pressure gauge sealing device can be installed on an inclined mounting pipe, so that the pressure gauge remains vertical, while ensuring the sealing of the interface, ensuring the accuracy of the pressure gauge in later use, and improving the reliability of use.

[0004] In the above, when the pressure gauge is sealed, interface sealing is adopted, and the application is also for interface sealing treatment. The sealing method is in the assembly with threaded connection and limit ring. Water leakage occurs on the surface, but the connection is still limited by cumbersome structure. In the design and use, the simple docking is finally selected. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a pressure gauge sealing device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a pressure gauge sealing device, including a connecting pipe 1, a tee pipe is installed at one end of the connecting pipe 1, one end of the tee pipe is fixedly connected to a valve body, one end of the valve body is fixedly connected to a connecting pipe 2, a valve is installed at the upper part of the valve body, the liquid outlet part of the tee pipe is fixedly connected to a through pipe, the top end of the through pipe is provided with a connecting part 2, the upper part of the connecting part 2 is provided with a connecting part 1, the top end of the connecting part 1 is threadedly connected with a connecting cap 1, the top end of the connecting cap 1 is fixedly connected to a dial, the top of the dial is fixedly connected to a meter body, and the display part of the meter body is installed with a dial.

[0007] As a further description of the above technical solution:

[0008] The second connecting part comprises a connecting cap 1, one end of which is fixedly connected to the top end of the through pipe, and one end of which is fixedly connected to a threaded water pipe 1.

[0009] As a further description of the above technical solution:

[0010] The outer wall of the threaded water pipe 1 is threadedly connected with a threaded pipe, the upper part of the outer wall of the threaded pipe is fixedly connected with a socket, and the axial center part of the threaded pipe is fixedly connected with a catheter hole.

[0011] As a further description of the above technical solution:

[0012] The lower part of the outer wall of the threaded pipe is fixedly connected with a side block, and the upper part of the side block is provided with a socket.

[0013] As a further description of the above technical solution:

[0014] The connecting portion 1 includes a connecting cap 2, the bottom of the connecting cap 2 is threadedly connected to a threaded water pipe 2, and the outer wall of the threaded water pipe 2 is threadedly connected to an expansion disk.

[0015] As a further description of the above technical solution:

[0016] The left and right sides of the outer wall of the expansion plate are fixedly connected with side blocks, and the bottom ends of the side blocks are welded with latches.

[0017] As a further description of the above technical solution:

[0018] A through cap is fixedly connected to the central portion of the expansion plate, and the through cap is located between the two groups of side blocks.

[0019] The utility model has the following beneficial effects:

[0020] 1. Compared with the prior art, in this pressure gauge sealing device, liquid is introduced into the valve body through the second connecting pipe, then enters the tee through the valve body, and is introduced through the through pipe connected to the tee. The liquid entering the through pipe enters the second connecting cap again. The second connecting cap and the second threaded water pipe are connected by threads, so that the liquid enters the through cap for the extraction of the liquid.

[0021] 2. Compared with the prior art, the pressure gauge sealing device of the present invention connects one end of the through cap and the conduit hole at the front end of the connecting part 2 by threads. The front end of the connection is plug-in and the rear end is threaded. Thus, the liquid enters the threaded water pipe 1 through the conduit hole, is introduced into the connecting cap 2 connected by the threaded water pipe 1, is introduced into the dial through the connecting cap 2 and enters the meter body for pressure measurement. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a structural schematic diagram of a pressure gauge sealing device proposed by the utility model;

[0023] Figure 2 A pressure gauge sealing device proposed by the utility model Figure 1 A schematic diagram of the enlarged structure at point A;

[0024] Figure 3 This is a structural schematic diagram of a connection part 1 of a pressure gauge sealing device proposed by the utility model;

[0025] Figure 4 This is a structural schematic diagram of a connecting portion 2 of a pressure gauge sealing device proposed by the utility model.

[0026] Legend:

[0027] Connecting pipe one 1, tee pipe 2, valve 3, valve body 4, connecting pipe two 5, meter body 6, dial 7, connecting cap one 8, connecting part one 9, connecting part two 10, through pipe 11, threaded pipe 12, connecting seat 13, conduit hole 14, side block 15, socket 16, threaded water pipe one 17, connecting cap two 18, side block 19, latch 20, expansion plate 21, threaded water pipe two 22, through cap 23. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Reference Figure 1-4The utility model provides a pressure gauge sealing device: comprising a pipe connection 1, a tee pipe 2 is installed at one end of the pipe connection 1, one end of the tee pipe 2 is fixedly connected to a valve body 4, one end of the valve body 4 is fixedly connected to a pipe connection 2 5, a valve 3 is installed at the upper part of the valve body 4, a liquid outlet of the tee pipe 2 is fixedly connected to a through pipe 11, a connecting part 2 10 is arranged at the top of the through pipe 11, a connecting part 10 is arranged at the upper part of the connecting part 10, a connecting part 1 9 is threadedly connected to a connecting cap 1 8 at the top of the connecting cap 8, a dial 7 is fixedly connected to the top of the dial 7, a meter body 6 is fixedly connected to the top of the dial 7, a display part of the meter body 6 is installed with the dial 7, the connecting part 10 comprises a connecting cap 1 8, one end of the connecting cap 1 8 is fixedly connected to the top of the through pipe 11, and one end of the connecting cap 1 8 A threaded water pipe 17 is fixedly connected, and a threaded pipe 12 is threadedly connected to the outer wall of the threaded water pipe 17. A socket 13 is fixedly connected to the upper part of the outer wall of the threaded pipe 12. A conduit hole 14 is fixedly connected to the axial part of the threaded pipe 12. The liquid is introduced into the valve body 4 through the connecting pipe 2 5, and then enters the three-way pipe 2 through the valve body 4, and is introduced through the through pipe 11 connected to the three-way pipe 2. The liquid entering the through pipe 11 enters the connecting cap 2 18 again. There is a threaded connection between the connecting cap 2 18 and the threaded water pipe 22, so that the liquid enters the through cap 23, wherein one end of the through cap 23 and the conduit hole 14 at the front end of the connecting part 10 are also threadedly connected. The front end of the connection method is plug-in, and the rear end is threaded fixed, which is used for the stable docking of the pipes.

[0030] Reference Figure 3-4 The lower part of the outer wall of the threaded tube 12 is fixedly connected with a side block 15, and the upper part of the side block 15 is provided with a socket 16. The connecting part 9 includes a cap 18, and the bottom of the cap 18 is threadedly connected with a threaded water pipe 22, and the outer wall of the threaded water pipe 22 is threadedly connected with an expansion disk 21, and the left and right sides of the outer wall of the expansion disk 21 are fixedly connected with side blocks 19, and a pin 20 is welded at the bottom end of the side block 19. The center part of the expansion disk 21 is fixedly connected with a through cap 23, and the through cap 23 is located between the two groups of side blocks 19. The liquid enters the threaded water pipe 17 through the conduit hole 14, and is introduced into the cap 2 18 through the cap 18 connected with the threaded water pipe 17, and is introduced into the dial 7 through the cap 18 and enters the meter body 6 for pressure measurement.

[0031] Working principle: When in use, the liquid is introduced into the valve body 4 through the connecting pipe 2 5, and then enters the tee pipe 2 through the valve body 4, and is introduced through the through pipe 11 connected to the tee pipe 2. The liquid entering the through pipe 11 enters the connecting cap 2 18 again, and there is a threaded connection between the connecting cap 2 18 and the threaded water pipe 2 22, so that the liquid enters the through cap 23, wherein one end of the through cap 23 and the conduit hole 14 at the front end of the connecting part 2 10 are also threadedly connected, and the connection method is plug-in at the front end and threaded fixing at the rear end, so that the liquid enters the threaded water pipe 1 17 through the conduit hole 14, and is introduced into the connecting cap 1 8 connected by the threaded water pipe 1 17 into the connecting cap 2 18, and is introduced into the dial 7 through the connecting cap 2 18 and enters the meter body 6 for pressure measurement.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pressure gauge sealing device, comprising a pipe (1), characterized in that: A three-way pipe (2) is installed at one end of the pipe connection 1 (1), one end of the three-way pipe (2) is fixedly connected to a valve body (4), one end of the valve body (4) is fixedly connected to a pipe connection 2 (5), a valve (3) is installed at the upper part of the valve body (4), a liquid outlet of the three-way pipe (2) is fixedly connected to a through pipe (11), a connecting part 2 (10) is arranged at the top end of the through pipe (11), a connecting part 1 (9) is arranged at the upper part of the connecting part 2 (10), a connecting part 1 (8) is threadedly connected to the top end of the connecting part 1 (9), a dial (7) is fixedly connected to the top end of the connecting cap 1 (8), a dial (7) is fixedly connected to the top of the dial (7), a meter body (6) is fixedly connected to the top of the dial (7), and a dial (7) is installed at the display part of the meter body (6).

2. A pressure gauge sealing device according to claim 1, characterized in that: The connecting portion 2 (10) comprises a connecting cap 1 (8), one end of which is fixedly connected to the top end of the through pipe (11), and one end of which is fixedly connected to a threaded water pipe 1 (17).

3. A pressure gauge sealing device according to claim 2, characterized in that: The outer wall of the threaded water pipe (17) is threadedly connected to a threaded pipe (12), the upper portion of the outer wall of the threaded pipe (12) is fixedly connected to a socket (13), and the axial portion of the threaded pipe (12) is fixedly connected to a conduit hole (14).

4. A pressure gauge sealing device according to claim 3, characterized in that: A side block (15) is fixedly connected to the lower portion of the outer wall of the threaded tube (12), and a socket (16) is provided at the upper portion of the side block (15).

5. A pressure gauge sealing device according to claim 1, characterized in that: The connecting portion 1 (9) comprises a connecting cap 2 (18), the bottom of the connecting cap 2 (18) is threadedly connected to a threaded water pipe 2 (22), and the outer wall of the threaded water pipe 2 (22) is threadedly connected to an expansion disk (21).

6. A pressure gauge sealing device according to claim 5, characterized in that: The left and right sides of the outer wall of the expansion plate (21) are fixedly connected with side blocks (19), and the bottom end of the side block (19) is welded with a latch (20).

7. A pressure gauge sealing device according to claim 6, characterized in that: A through cap (23) is fixedly connected to the central portion of the expansion plate (21), and the through cap (23) is located between the two groups of side blocks (19).

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