CN210923321U - Pressure testing device - Google Patents

Abstract

The application discloses pressure test device, it includes: the upper end of the tank body is provided with an open mouth, a first convex edge is arranged on the circumferential direction of the open mouth, and a plurality of first screw holes are uniformly arranged on the first convex edge; the upper cover is arranged at the open opening, a second convex edge is arranged at the lower part of the upper cover, a plurality of second screw holes are uniformly arranged on the second convex edge, and the second screw holes are in one-to-one correspondence with the first screw holes and are fixed through bolts; an outlet hole is formed in the upper cover, a safety valve is installed in the outlet hole, an inlet hole is formed in the upper cover, and a pressure gauge is installed on the upper cover; and the pressure pump is connected with one end of the connecting pipe, and the other end of the connecting pipe is connected with the inlet hole. The device has the advantages of good firmness, high safety, simple structure and convenient operation.

Description

Pressure testing device

Technical Field

The application relates to the technical field of testing devices, in particular to a pressure testing device.

Background

Oxygen cylinder and fire extinguisher bottle all have certain pressure, need carry out the pressure test, and current test mode is only opened and is tested, and the test is not accurate enough like this, and simple test is only whether have pressure, can't reach the test purpose.

SUMMERY OF THE UTILITY MODEL

It is an object of the present application to overcome the above problems or to at least partially solve or alleviate the above problems.

According to an aspect of the present application, there is provided a pressure testing apparatus including:

the upper end of the tank body is provided with an open mouth, a first convex edge is arranged on the circumferential direction of the open mouth, and a plurality of first screw holes are uniformly arranged on the first convex edge;

the upper cover is arranged at the open opening, a second convex edge is arranged at the lower part of the upper cover, a plurality of second screw holes are uniformly arranged on the second convex edge, and the second screw holes are in one-to-one correspondence with the first screw holes and are fixed through bolts; an outlet hole is formed in the upper cover, a safety valve is installed in the outlet hole, an inlet hole is formed in the upper cover, and a pressure gauge is installed on the upper cover;

and the pressure pump is connected with one end of the connecting pipe, and the other end of the connecting pipe is connected with the inlet hole.

Optionally, a handle is provided on the upper cover.

Optionally, further comprising a base, the base comprising:

a first frame;

a second frame, a first end of the second frame being connected to a second end of the first frame;

a third frame, a first end of the third frame being connected to a second end of the second frame;

a first end of the fourth frame is connected with a second end of the third frame, and a second end of the fourth frame is connected with the first end of the first frame;

the bottom plate is fixedly connected with the first frame, the second frame, the third frame and the fourth frame;

the upper surface of the bottom plate is fixed with the lower end of the tank body and used for fixing the tank body.

Optionally, rollers are fixed to the bottoms of the first frame, the second frame, the third frame, and the fourth frame.

Optionally, the can body is a drum body.

Optionally, a detachable frame body is arranged inside the tank body, and the oxygen tank to be tested is placed on the frame body.

According to the pressure testing device, the upper end of the tank body is provided with the open port, the first convex edge is arranged in the circumferential direction of the open port, a plurality of first screw holes are uniformly formed in the first convex edge, the upper cover is arranged in the open port, the second convex edge is arranged at the lower part of the upper cover, a plurality of second screw holes are uniformly formed in the second convex edge, the second screw holes are in one-to-one correspondence with the first screw holes and are fixed through bolts, the firmness is good, the upper cover is provided with the outlet hole, the safety valve is arranged in the outlet hole, the safety is improved, the upper cover is provided with the inlet hole, and the upper cover is provided with the pressure gauge so that the pressure can be; the pressure pump is connected with one end of the connecting pipe, and the other end of the connecting pipe is connected with the inlet hole to provide pressure. Through placing the oxygen cylinder in the inside of jar body, open the force pump and make jar body have pressure, and then to oxygen cylinder pressure test, relief pressure will be opened automatically to the relief valve when pressure is too big, and this device fastness is better, and the security is higher, simple structure and simple operation.

The above and other objects, advantages and features of the present application will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the present application will be described in detail hereinafter by way of illustration and not limitation with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

FIG. 1 is a schematic front view of a pressure testing device according to one embodiment of the present application.

The labels in the figure are:

100-tank body; 101-a first convex edge; 102-a first screw hole;

200-an upper cover; 201-a second ledge; 202-a handle; 203-an outlet orifice; 204-safety valve; 205-pressure gauge;

300-pressure pump; 301-connecting tube;

400-a base; 401-a first border; 402-a second bezel; 403-a backplane; 404-fourth border; 405-a roller.

Detailed Description

The present application will now be described in further detail by way of specific examples with reference to the accompanying drawings. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.

FIG. 1 is a schematic front view of a pressure testing device according to one embodiment of the present application. The pressure testing apparatus may generally include a can 100, an upper cover 200, and a pressure pump 300. The tank body 100 is of a barrel structure, an open opening (not labeled in the figure) is formed in the upper end of the tank body 100, a first convex edge 101 is arranged on the outer edge of the open opening in the circumferential direction, the first convex edge 101 is in a circular ring shape and is matched with the tank body 100, the first convex edge 101 is welded with the outer edge, the rigidity is improved, and the first convex edge 101 and the outer edge can be integrally cast. The can body 100 and the first flange 101 are made of metal. A plurality of first screw holes 102 are equally formed on the first flange 101 for connecting with the upper cover 200. The upper cover 200 is disposed in the open hole, and the upper cover 200 is disc-shaped and made of metal. The outer edge of the lower portion of the upper cover 200 is provided with a second convex edge 201, the second convex edge 201 is matched with the first convex edge 101, a plurality of second screw holes are equally formed in the second convex edge 201, the second screw holes correspond to the first screw holes 102 in a one-to-one mode and are fixed through bolts, the upper cover 200 is prevented from being separated when the tank body 100 is pressurized, safety is improved, and a rubber ring is arranged between the first convex edge 101 and the second convex edge 201 and used for sealing. An outlet 203 is formed in the upper cover 200, and a safety valve 204 is mounted on the outlet 203, so that the safety valve 204 can automatically release pressure when the pressure is too high, thereby increasing protection and improving safety. An inlet hole (not labeled) is formed in the upper cover 200, and is used for welding or screwing with the other end of the connecting pipe 301, and the like, and is used for conveying pressure, and the upper cover 200 is provided with a pressure gauge 205, which is welded or screwed with one end of the connecting pipe 301, and the like, and is used for detecting pressure.

Referring to fig. 1, in this embodiment, a plurality of handles 202 are optionally provided on the top cover 200 for opening the top cover 200, and the handles 202 are made of metal, and may be circular or rectangular for easy handling.

Referring to fig. 1, in this embodiment, optionally, a base 400 is further included for convenience of moving the can body 100, and the base 400 may include a first frame 401, a second frame 402, a third frame (not shown), a fourth frame 404 and a bottom plate 403. Wherein, the first end of second frame 402 and the second end welding of first frame 401, the fastness is better, the first end of third frame and the second end welding of second frame 402, the fastness is better, the first end of fourth frame 404 and the second end welding of third frame, the fastness is better, the second end of fourth frame 404 and the first end welding of first frame 401, the fastness is better, bottom plate 403 and first frame 401, second frame 402, third frame and fourth frame 404 are fixed and welded, the fastness is better, the upper surface of bottom plate 403 and the lower extreme welded fastening of jar body 100, the fastness is better, be used for fixed jar body 100, the bottom of first frame 401, second frame 402, third frame and fourth frame 404 all welded fastening has gyro wheel 405, be used for removing base 400 and jar body 100, and is convenient and fast. The first frame 401, the second frame 402, the third frame, the fourth frame 404 and the bottom plate 403 are all the same in structure and size and are all rectangular steel pipes, and the bottom plate 403 is a rectangular steel plate or a circular steel plate.

In this embodiment, optionally, a removable shelf (not shown) is placed or bolted inside the tank 100, where the oxygen tank to be tested is placed.

When in specific use:

1. placing the tested oxygen tank on the frame body, and installing the upper cover 200;

2. the pressure pump 300 is opened to pressurize the tank 100, the pressure of the oxygen tank is tested, and the safety valve 204 is automatically opened when the pressure in the tank 100 is greater than a set value, so that the safety is improved.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.

In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present application, "a plurality" means two or more unless specifically defined otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (6)

1. A pressure testing device, comprising:

the tank body (100) is provided with an open opening at the upper end, a first convex edge (101) is arranged on the circumferential direction of the open opening, and a plurality of first screw holes (102) are uniformly arranged on the first convex edge (101);

the upper cover (200) is arranged at the open opening, a second convex edge (201) is arranged at the lower part of the upper cover (200), a plurality of second screw holes are uniformly arranged on the second convex edge (201), and the second screw holes correspond to the first screw holes (102) one by one and are fixed through bolts; an outlet hole (203) is formed in the upper cover (200), a safety valve (204) is installed in the outlet hole (203), an inlet hole is formed in the upper cover (200), and a pressure gauge (205) is installed in the upper cover (200);

and the pressure pump (300) is connected with one end of a connecting pipe (301), and the other end of the connecting pipe (301) is connected with the inlet hole.

2. A pressure testing device according to claim 1, wherein:

the upper cover (200) is provided with a handle (202).

3. The pressure testing apparatus of claim 1, further comprising a base (400), the base (400) comprising:

a first bezel (401);

a second bezel (402), a first end of the second bezel (402) being connected to a second end of the first bezel (401);

a third bezel, a first end of the third bezel being connected to a second end of the second bezel (402);

a fourth frame (404), wherein a first end of the fourth frame (404) is connected with a second end of the third frame, and a second end of the fourth frame (404) is connected with a first end of the first frame (401);

a bottom plate (403) fixedly connected to the first rim (401), the second rim (402), the third rim and the fourth rim (404);

the upper surface of the bottom plate (403) is fixed with the lower end of the tank body (100) and used for fixing the tank body (100).

4. A pressure testing device according to claim 3, wherein:

rollers (405) are fixed at the bottoms of the first frame (401), the second frame (402), the third frame and the fourth frame (404).

5. A pressure testing device according to claim 1, wherein:

the tank body (100) is a barrel body.

6. A pressure testing device according to claim 1, wherein:

the inside of jar body (100) is equipped with the detachable support body the oxygen cylinder of being tested is put to the support body.

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