CN219455378U

CN219455378U - Pressure gauge

Info

Publication number: CN219455378U
Application number: CN202222786257.7U
Authority: CN
Inventors: 马英杰
Original assignee: Zhejiang Hua Meter Technology Co ltd
Current assignee: Zhejiang Hua Meter Technology Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-08-01
Anticipated expiration: 2032-10-21

Abstract

The utility model discloses a pressure gauge, which comprises a pressure gauge main body, a protection mechanism and a vertical pipe, wherein the protection mechanism is arranged at a pressure air inlet port of the pressure gauge main body, the protection mechanism is formed by combining an air inlet pipe, an internal thread pipe, a valve and a thread groove A, the pressure air inlet port of the pressure gauge main body is communicated with an air inlet pipe for air inlet, the thread groove A for connecting the internal thread pipe is formed in the pipe wall of the air inlet pipe, the pipe wall of the thread groove A is in threaded connection with the pipe inner wall of the internal thread pipe, and an openable valve is arranged at the pipe orifice of the other end of the internal thread pipe in a communicating manner. Can protect the manometer through protection machanism, avoid too big damage manometer of pressure to cause to explode the gauge back detection gas discharge.

Description

Pressure gauge

Technical Field

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

Background

The pressure gauge is a meter which takes an elastic element as a sensitive element and measures and indicates pressure higher than the environment, is very popular in application, is almost widely used in all industrial processes and scientific research fields, is widely seen in the fields of heating power pipe networks, oil gas transmission, water and gas supply systems, vehicle maintenance factories, shops and the like, and cannot protect the pressure gauge when the pressure is too high, so that the pressure gauge is easy to explode, and pressure gas is detected to be discharged. For this purpose we propose a pressure gauge.

Disclosure of Invention

The utility model mainly aims to provide the pressure gauge, which can protect the pressure gauge through the protection mechanism, prevent the pressure gauge from being damaged due to overlarge pressure, prevent the detection gas from being discharged after the pressure gauge is exploded, and effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a manometer, includes the manometer main part, still includes protection machanism and standpipe, protection machanism is installed to the pressure air inlet port of manometer main part, protection machanism comprises intake pipe, internal thread screwed pipe, valve and thread groove A combination, the intake pipe that is used for the air intake is installed in the pressure air inlet port intercommunication of manometer main part, thread groove A that is used for connecting internal thread screwed pipe is seted up to the pipe wall department of intake pipe, thread groove A's cell wall department and internal thread screwed pipe's pipe inner wall threaded connection, the valve that can open is installed in the other end mouth of pipe department intercommunication of internal thread screwed pipe.

Further, the vertical pipe further comprises a connecting mechanism, and the pipe wall of the vertical pipe is connected with the connecting mechanism, so that the vertical pipe is convenient to connect with the outside.

Further, the connecting mechanism is composed of a thread groove B, a thread sleeve A, a rubber sealing gasket B and a thread sleeve B in a combined mode, the thread groove B for connecting the thread sleeve A and the thread sleeve B is formed in the pipe wall of the vertical pipe, the vertical pipe penetrates through the rubber sealing gasket A and the rubber sealing gasket B respectively, the thread sleeve A and the thread sleeve B are connected to the pipe wall of the thread groove B in a threaded mode respectively, and the vertical pipe is connected with the thread sleeve B through the thread sleeve A.

Further, the rubber gasket A and the rubber gasket B are positioned between the thread sleeve A and the thread sleeve B, and can be subjected to extrusion sealing.

Furthermore, the air inlet port of the valve is communicated with the pipe orifice at one end of the vertical pipe, so that air inlet is conveniently closed.

Compared with the prior art, the utility model has the following beneficial effects: personnel insert the standpipe outside junction after, insert the standpipe in with rubber seal pad B, make rubber seal pad B be located the inside of junction after, personnel twist thread bush B, make thread bush B extrude rubber seal pad B, make rubber seal pad to the inside of junction seal, personnel twist thread bush A make thread bush A extrude rubber seal pad A, make rubber seal pad A seal the outside of junction, when the manometer main part detects pressure, gas enters into the valve through the standpipe, in entering into the internal thread screwed pipe through the valve, gas enters into the intake pipe through the internal thread screwed pipe, thereby the manometer main part detects, when pressure is too big, personnel close the valve, can protect the manometer main part, avoid the too big damage manometer of pressure.

Drawings

FIG. 1 is a schematic diagram of the whole structure of a pressure gauge according to the present utility model.

Fig. 2 is a schematic structural diagram of a protecting mechanism of a pressure gauge according to the present utility model.

In the figure: 1. a pressure gauge body; 2. a protective mechanism; 201. an air inlet pipe; 202. an internal thread tube; 203. a valve; 204. a thread groove A; 3. a standpipe; 4. a connecting mechanism; 401. a thread groove B; 402. a thread bush A; 403. a rubber gasket A; 404. a rubber gasket B; 405. and a thread bush B.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-2, the pressure gauge comprises a pressure gauge main body 1, a protection mechanism 2 and a vertical pipe 3, wherein the protection mechanism 2 is installed at a pressure air inlet port of the pressure gauge main body 1, the protection mechanism 2 is formed by combining an air inlet pipe 201, an internal thread pipe 202, a valve 203 and a thread groove A204, the pressure air inlet port of the pressure gauge main body 1 is communicated with an air inlet pipe 201 for air inlet, a thread groove A204 for connecting the internal thread pipe 202 is formed in the pipe wall of the air inlet pipe 201, the pipe wall of the thread groove A204 is in threaded connection with the pipe inner wall of the internal thread pipe 202, and an openable valve 203 is installed at the pipe orifice of the other end of the internal thread pipe 202 in a communicating manner.

The vertical pipe comprises a vertical pipe 3, and is characterized by further comprising a connecting mechanism 4, wherein the connecting mechanism 4 is connected to the pipe wall of the vertical pipe 3, so that the vertical pipe is convenient to connect with the outside.

The connecting mechanism 4 is formed by combining a thread groove B401, a thread sleeve A402, a rubber sealing pad A403, a rubber sealing pad B404 and a thread sleeve B405, the thread groove B401 for connecting the thread sleeve A402 and the thread sleeve B405 is formed in the pipe wall of the vertical pipe 3, the vertical pipe 3 penetrates through the rubber sealing pad A403 and the rubber sealing pad B404 respectively, the thread sleeve A402 and the thread sleeve B405 are connected to the groove wall of the thread groove B401 in a threaded mode respectively, and the rubber sealing pad A403 and the rubber sealing pad B404 are located between the thread sleeve A402 and the thread sleeve B405 and can be used for carrying out extrusion sealing on the rubber sealing pad A403 and the rubber sealing pad B404.

Wherein, the inlet port of the valve 203 is connected with the pipe orifice of one end of the standpipe 3, which is convenient for closing the inlet.

It should be noted that, in the present utility model, when the pressure gauge is installed, a person inserts the standpipe 3 into the external connection position, inserts the rubber sealing pad B404 into the standpipe 3, so that after the rubber sealing pad B404 is located in the internal connection position, the person screws the threaded sleeve B405, so that the threaded sleeve B405 extrudes the rubber sealing pad B404, so that the rubber sealing pad seals the internal connection position, the person screws the threaded sleeve a402, so that the threaded sleeve a402 extrudes the rubber sealing pad a403, so that the rubber sealing pad a403 seals the external connection position, when the pressure gauge main body 1 detects pressure, gas enters the valve 203 through the standpipe 3, and enters the internal thread pipe 202 through the valve 203, so that the pressure gauge main body 1 detects, when the pressure is too large, the person closes the valve 203, and can protect the pressure gauge main body 1 from being damaged due to the pressure being too large.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The pressure gauge comprises a pressure gauge main body (1), and is characterized by further comprising a protection mechanism (2) and a vertical pipe (3), wherein the protection mechanism (2) is installed at a pressure air inlet port of the pressure gauge main body (1), the protection mechanism (2) is formed by combining an air inlet pipe (201), an internal thread pipe (202), a valve (203) and a thread groove A (204), the pressure air inlet port of the pressure gauge main body (1) is communicated with the air inlet pipe (201) for air inlet, a thread groove A (204) for connecting the internal thread pipe (202) is formed in the pipe wall of the air inlet pipe (201), the pipe wall of the thread groove A (204) is in threaded connection with the pipe inner wall of the internal thread pipe (202), and an openable valve (203) is installed at the pipe orifice of the other end of the internal thread pipe (202) in a communicating manner;

the vertical pipe also comprises a connecting mechanism (4), and the pipe wall of the vertical pipe (3) is connected with the connecting mechanism (4); the connecting mechanism (4) is formed by combining a thread groove B (401), a thread sleeve A (402), a rubber sealing gasket A (403), a rubber sealing gasket B (404) and a thread sleeve B (405), the thread groove B (401) for connecting the thread sleeve A (402) and the thread sleeve B (405) is formed in the pipe wall of the vertical pipe (3), the vertical pipe (3) respectively penetrates through the rubber sealing gasket A (403) and the rubber sealing gasket B (404), and the thread sleeve A (402) and the thread sleeve B (405) are respectively connected at the groove wall of the thread groove B (401) in a threaded manner; the rubber sealing gasket A (403) and the rubber sealing gasket B (404) are positioned between the thread bush A (402) and the thread bush B (405); the air inlet of the valve (203) is communicated with the pipe orifice at one end of the vertical pipe (3).