CN215893938U

CN215893938U - Pressure vessel sealing inspection equipment

Info

Publication number: CN215893938U
Application number: CN202122427176.3U
Authority: CN
Inventors: 张世俊; 柯璋阳; 徐建忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-02-22
Anticipated expiration: 2031-10-09

Abstract

The utility model discloses a pressure container sealing inspection device, wherein a container is clamped in a fixed frame, a plurality of strip-shaped side plates are fixed on the upper side of the fixed frame, screw rods are fixed at the upper ends of the side plates, spring pieces are sleeved on the screw rods, sealing covers are arranged on the upper sides of the spring pieces, nuts are connected on the screw rods through threads, sealing parts are arranged between the sealing covers and the container, exhaust pipes and test pipes penetrate through the sealing parts, the exhaust pipes are connected with an exhaust pump and a pressure gauge, and the test pipes are connected with U-shaped pipes.

Description

Pressure vessel sealing inspection equipment

Technical Field

The utility model relates to the field of inspection devices, in particular to a pressure container sealing inspection device.

Background

A pressure vessel is a closed vessel that can withstand pressure. The pressure container has wide application range, and has important position and function in many departments of industry, civil use, military industry and the like and many fields of scientific research.

In the production process of the pressure container, in order to ensure the qualification rate of the pressure container, a manufacturer can sample and check the tightness of a product after the production is finished, and the traditional sealing inspection device has a complex structure and is inconvenient to operate, and the test result is not visual enough, so that the sealing condition under constant pressure cannot be tested. Accordingly, those skilled in the art have provided a pressure vessel seal inspection apparatus to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a pressure container sealing inspection device which comprises a fixed frame, wherein a container is clamped in the fixed frame, a plurality of strip-shaped side plates are fixed on the upper side of the fixed frame, a screw rod is fixed at the upper end of each side plate, a spring piece is sleeved on each screw rod, a sealing cover is arranged on the upper side of each spring piece, the screw rods are connected with nuts through threads, and a sealing piece is arranged between each sealing cover and the container to help sealing;

run through on the sealing member and have exhaust tube and test tube, the exhaust tube is connected with aspiration pump and manometer, and test tube connects U type pipe, and one side that U type pipe is close to the test tube is connected with and holds the chamber, holds and is equipped with the scale on the chamber.

Preferably: the spring piece consists of a middle spring and round pieces at two ends, and the round pieces are arranged in parallel to stably transmit the pressure of the spring.

Preferably: the outer side of the nut is fixed with a straight-line-shaped fixing block, so that the nut can be conveniently screwed manually.

Preferably: and a buffer cushion is fixed on the inner side of the lower end of the fixing frame and supports the bottom of the container.

Preferably: the upside of sealing member is fixed with the sealing ring that the cross-section is trapezoidal, and the sealing ring card is gone into in the closing cap, improves the leakproofness.

Preferably: be equipped with the through-hole on the closing cap, sliding connection has the pilot lever in the through-hole, is equipped with striking marking line on the pilot lever, and the pilot lever passes through the spring coupling closing cap, it is equipped with universal spirit level to inlay on the closing cap for whether detect the closing cap is level, make the experiment more accurate.

Preferably: the mount is fixed in the heat preservation shell, and the heat preservation shell upside is equipped with the closing plate, is equipped with pressure boost pipe on the closing plate, and pressure boost union coupling booster pump and manometer, exhaust tube and test tube run through sealed lid, and an aspiration pump is connected in unison to the exhaust tube, and the heat preservation shell inboard is equipped with heater strip and temperature sensor for control inside temperature can test the sealed condition of container under the invariable condition of existence of outside pressure.

The utility model has the technical effects and advantages that:

1. the utility model seals through the spring sheet and the sealing element, and simultaneously levels the sealing cover through the universal level meter, the stress of the sealing element is uniform, and when the mark line of the indicating rod appears, the pressure between the sealing cover and the sealing element reaches a preset value.

2. The utility model can know the air tightness of the container by observing the height of the liquid level by using the air pressure difference, and is simple and visual.

Drawings

Fig. 1 is an exploded view of a pressure vessel seal inspection apparatus according to an embodiment of the present disclosure;

fig. 2 is a schematic perspective view of a pressure vessel sealing inspection apparatus according to an embodiment of the present disclosure;

FIG. 3 is a schematic left-side view of a pressure vessel seal inspection apparatus according to an embodiment of the present disclosure;

fig. 4 is a schematic sectional view along the direction of a-a in fig. 3.

FIG. 5 is a schematic structural diagram of an insulating shell in the pressure vessel sealing inspection equipment according to the second embodiment of the present application;

in the figure: 1. a fixed mount; 2. a container; 3. a screw; 4. a seal member; 5. sealing the cover; 6. a spring plate; 7. an indication lever; 8. a universal level; 9. a nut; 10. an air exhaust pipe;

11. a test tube; 12. a U-shaped pipe; 13. an accommodating chamber; 14. a heat preservation shell; 15. and (4) pressurizing the pipe.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Example 1

Referring to fig. 1 to 4, in the present embodiment, a pressure container sealing inspection apparatus is provided, which includes a fixing frame 1, a container 2 is clamped in the fixing frame 1, a plurality of strip-shaped side plates are fixed on an upper side of the fixing frame 1, a screw rod 3 is fixed on an upper end of each side plate, a spring leaf 6 is sleeved on each screw rod 3, a sealing cover 5 is arranged on an upper side of each spring leaf 6, the screw rods 3 are connected with nuts 9 through threads, each spring leaf 6 is composed of a middle spring and circular pieces at two ends, the circular pieces are arranged in parallel to each other to stably transmit the pressure of the spring, and a linear fixing block is fixed on an outer side of each nut 9, so that the nuts 9 can be conveniently screwed manually;

a buffer pad is fixed on the inner side of the lower end of the fixing frame 1, the buffer pad supports the bottom of the container 2, a sealing element 4 is arranged between the sealing cover 5 and the container 2 to help sealing, a sealing ring with a trapezoidal section is fixed on the upper side of the sealing element 4 and is clamped in the sealing cover 5 to improve the sealing property, the sealing cover 5 is provided with a through hole, an indicating rod 7 is connected in the through hole in a sliding way, a striking mark line is arranged on the indicating rod 7, the indicating rod 7 is connected with the sealing cover 5 through a spring, a universal level 8 is embedded on the sealing cover 5, whether be used for detecting closing cap 5 level for the experiment is more accurate, it has exhaust tube 10 and test tube 11 to run through on the sealing member 4, and exhaust tube 10 is connected with aspiration pump and manometer, and U type pipe 12 is connected to test tube 11, and one side that U type pipe 12 is close to test tube 11 is connected with and holds chamber 13, holds and is equipped with the scale on the chamber 13.

The working principle of the utility model is as follows: during the use, place container 2 in mount 1, block sealing member 4 at the upside opening part of container 2, through sealing ring joint closing cap 5, closing cap 5 cup joints on screw rod 3, rotate nut 9 and drive closing cap 5 oppression sealing member 4, container 2 and bottom blotter, carry out pressure seal, make closing cap 5 level through universal spirit level 8 simultaneously, sealing member 4's atress is even, when the mark line of indicator lever 7 appears, it reaches the predetermined value to show the pressure between closing cap 5 and the sealing member 4, accomplish fixedly.

Water is poured into the U-shaped pipe 12 on the test pipe 11, so that the water level in the accommodating cavity 13 is half, the Au U-shaped pipe 12 is connected with the test pipe 11, the air exhaust pipe 10 is closed after air exhaust, the U-shaped pipe 12 is pressed by the external atmospheric pressure, so that the liquid level in the accommodating cavity 13 rises, the liquid level height is recorded, and after a period of time, the liquid level is unchanged or the falling height is in a reasonable range, so that the sealing performance of the container 2 is good.

Example 2

Referring to fig. 5, in this embodiment, the fixing frame 1 is fixed in the heat-insulating shell 14, a sealing plate is disposed on the upper side of the heat-insulating shell 14, a pressure increasing pipe 15 is disposed on the sealing plate, the pressure increasing pipe 15 is connected to a pressure increasing pump and a pressure gauge, the air pumping pipe 10 and the testing pipe 11 penetrate through the sealing cover 5, the air pumping pipe 10 is uniformly connected to an air pumping pump, and a heating wire and a temperature sensor are disposed on the inner side of the heat-insulating shell 14 for controlling the internal temperature, so as to test the sealing condition of the container 2 under the condition that the external pressure is constant.

It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims

1. The pressure container sealing inspection equipment comprises a fixing frame (1) and is characterized in that a container (2) is connected in the fixing frame (1) in a clamping mode, a plurality of strip-shaped side plates are fixed on the upper side of the fixing frame (1), screw rods (3) are fixed at the upper ends of the side plates, spring pieces (6) are sleeved on the screw rods (3), sealing covers (5) are arranged on the upper sides of the spring pieces (6), the screw rods (3) are connected with nuts (9) through threads, and sealing elements (4) are arranged between the sealing covers (5) and the container (2);

run through on sealing member (4) and have exhaust tube (10) and test tube (11), exhaust tube (10) are connected with aspiration pump and manometer, and U type pipe (12) are connected in test tube (11), and one side that U type pipe (12) are close to test tube (11) is connected with and holds chamber (13), holds and is equipped with the scale on chamber (13).

2. A pressure vessel seal verification device according to claim 1, characterized in that the spring plate (6) consists of a middle spring and two end discs, which are arranged parallel to each other.

3. A pressure vessel seal inspection apparatus as claimed in claim 1, wherein a linear fixing block is fixed to the outside of the nut (9).

4. A pressure vessel seal inspection apparatus as claimed in claim 1, wherein a cushion pad is fixed to the inside of the lower end of the holder (1), the cushion pad supporting the bottom of the vessel (2).

5. A pressure vessel seal inspection device according to claim 1, characterized in that a sealing ring with a trapezoidal cross-section is fixed to the upper side of the sealing element (4) and is snapped into the closure cap (5).

6. The pressure vessel seal inspection device according to claim 1, wherein the sealing cover (5) is provided with a through hole, an indicating rod (7) is slidably connected in the through hole, the indicating rod (7) is provided with a marked mark line, the indicating rod (7) is connected with the sealing cover (5) through a spring, and the sealing cover (5) is embedded with a universal level gauge (8).

7. The pressure vessel sealing inspection device according to claim 1, wherein the fixing frame (1) is fixed in a heat preservation shell (14), a sealing plate is arranged on the upper side of the heat preservation shell (14), a pressurizing pipe (15) is arranged on the sealing plate, the pressurizing pipe (15) is connected with a pressurizing pump and a pressure gauge, the air pumping pipe (10) and the testing pipe (11) penetrate through the sealing cover (5), the air pumping pipe (10) is uniformly connected with an air pumping pump, and a heating wire and a temperature sensor are arranged on the inner side of the heat preservation shell (14).