CN211553223U

CN211553223U - Vacuum attenuation leak detector

Info

Publication number: CN211553223U
Application number: CN202020669516.6U
Authority: CN
Inventors: 盛洪辉; 孙君; 缪俊
Original assignee: Shanghai Zhongxun Testing Technology Co ltd
Current assignee: Shanghai Zhongxun Testing Technology Co ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2020-09-22
Anticipated expiration: 2030-04-28

Abstract

The utility model belongs to the technical field of vacuum leak detection, in particular to a vacuum attenuation leak detector, which comprises an installation box, wherein the lower end of the installation box is connected with a water tank through a screw, the upper end of the water tank is provided with an opening, the left end of the water tank is fixedly sleeved with a water inlet pipe, the right end of the water tank is provided with an overflow hole, the lower end of the installation box is fixedly sleeved with a heat dissipation strip, the inner side of the lower end of the installation box is fixedly provided with components, the upper end of the installation box is welded with a vacuum box, the lower end of the vacuum box is fixedly sleeved with a sealing; the utility model discloses a pass through the screw connection water tank at the install bin lower extreme, the opening is seted up to the water tank upper end, and the water tank left end is fixed to be cup jointed the inlet tube, and the overflow hole is seted up to the water tank right-hand member, and the fixed cover of install bin lower extreme connects the heat dissipation strip, dispels the heat to the components and parts in the install bin through heat dissipation strip heat conduction, avoids the components and parts high temperature in the install bin, leads to the components and parts.

Description

Vacuum attenuation leak detector

Technical Field

The utility model belongs to the technical field of the vacuum leak hunting, concretely relates to vacuum attenuation leak detector.

Background

The sealing packaging technology is almost applied to the packaging of all commodities, plays an important role in the packaging of the commodities, and can ensure that articles are effectively moisture-proof and isolated from air, so that the commodities are prevented from being polluted and damaged. The vacuum leak detection is to judge whether a vacuum system, a container or a device leaks air or not by using a proper method, and determine the position of a leak hole and the size of leak rate, and a corresponding instrument is called a leak detector. The vacuum tightness of the vacuum system, the container and the device is determined by means of a vacuum leak detection technology in the manufacturing process of the vacuum system, the container and the device, and the position of a leak hole is detected so as to take measures to seal the leak hole and maintain the vacuum state in the system, the container and the device. Vacuum decay techniques connect the leak tester to a test chamber specifically designed to accommodate the package to be tested. The package is placed in a laboratory chamber to be evacuated. Single or dual vacuum sensor technology is used to monitor the vacuum state of the test chamber for both levels and also to monitor vacuum changes for a predetermined test period, both absolute and relative vacuum changes implying leaks and defects in the package.

Among the prior art, vacuum decay leak detector is in vacuum box and case lid contact department, and sealing performance is not strong enough, can influence the testing result, and simultaneously, to the interior components and parts heat dispersion of instrument poor, long-time the use can cause the interior high temperature of instrument, causes components and parts to damage. Accordingly, there is a need for improvements in the art.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a vacuum attenuation leak detector has solved the relatively poor problem that influences the testing result of sealing performance, and it is poor to have still solved heat dispersion, causes the interior high temperature of instrument for the problem of component damage.

In order to achieve the above object, the utility model provides a following technical scheme: the vacuum attenuation leak detector comprises an installation box, the lower end of the installation box is connected with a water tank through a screw, the upper end of the water tank is provided with an opening, the left end of the water tank is fixedly sleeved with a water inlet pipe, the right end of the water tank is provided with an overflow hole, the lower end of the installation box is fixedly sleeved with a heat dissipation strip, the inner side of the lower end of the installation box is fixedly provided with components, the upper end of the mounting box is welded with a vacuum box, the lower end of the vacuum box is fixedly sleeved with a sealing sleeve, a vacuum tube is sleeved in the sealing sleeve, the upper end of the vacuum box is hinged with a box cover, the right end of the box cover is hinged with a mounting block, the lower extreme of installation piece is provided with the spacer pin, the spacing groove has been seted up to the right-hand member of vacuum box, the internal surface and the spacer pin slip of spacing groove cup joint, the seal groove has been seted up to the upper end of vacuum box, be provided with the gasbag in the seal groove.

Preferably, the lower end of the heat dissipation strip is connected with a water tank in a contact manner, and a heat dissipation block is arranged on the outer side of the heat dissipation strip.

Preferably, the lower end of the vacuum tube is provided with a vacuum pump, the lower end of the vacuum pump is provided with a scavenging tube, and the side wall of the installation box is fixedly sleeved with the scavenging tube.

Preferably, the upper end of case lid has seted up the mounting groove, be provided with the transparent plate in the mounting groove, the lower extreme of transparent plate bonds there is sealed the pad, it has sealed the pad to bond on the case lid.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through passing through the screw connection water tank at the install bin lower extreme, the opening is seted up to the water tank upper end, and the water tank left end is fixed to be cup jointed the inlet tube, and the overflow hole is seted up to the water tank right-hand member, and the fixed cover of install bin lower extreme connects the heat dissipation strip, dispels the heat to the components and parts in the install bin through heat dissipation strip heat conduction, avoids the components and parts high temperature in the install bin, leads to the components and parts.

2. The utility model discloses in, through at the articulated installation piece of case lid right-hand member, installation piece lower extreme sets up the spacer pin, and the spacing groove is seted up to the vacuum box right-hand member, and sliding sleeve connects the spacer pin in the spacing groove, and the seal groove is seted up to the vacuum box upper end, sets up the gasbag in the seal groove, and is closed at the case lid, and after the spacer pin was pegged graft into the spacing groove, through admitting air to the gasbag, gasbag upper end and case lid elastic contact have increased the sealing performance of vacuum box for the detection of instrument is more accurate.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a top view of the vacuum box of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the point A of FIG. 1 according to the present invention;

fig. 4 is an enlarged view of the point B in fig. 1 according to the present invention.

In the figure: 1. installing a box; 2. a water tank; 3. an opening; 4. a water inlet pipe; 5. an overflow aperture; 6. a heat dissipating strip; 7. a heat dissipating block; 9. a component; 10. a vacuum box; 11. sealing sleeves; 12. a vacuum tube; 13. a vacuum pump; 14. a ventilation tube; 15. a box cover; 16. a placement groove; 17. mounting grooves; 18. a transparent plate; 19. a gasket; 20. mounting blocks; 21. a spacing pin; 22. a limiting groove; 23. a sealing groove; 24. clamping the strip; 25. an air bag; 26. a hose.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: vacuum attenuation leak detector, including the installation box 1, the lower extreme of installation box 1 is connected with water tank 2 through the screw, the upper end of water tank 2 is seted up opening 3, the left end of water tank 2 is fixed to be cup jointed with inlet tube 4, the right-hand member of water tank 2 is seted up overflow hole 5, the lower extreme of installation box 1 is fixed to be cup jointed with heat dissipation strip 6, heat dissipation strip 6 is the heat conduction silica gel material, have good heat conductivity and insulating nature, the inboard fixed mounting of lower extreme of installation box 1 has components and parts 9, the upper end welding of installation box 1 has vacuum chamber 10, the lower extreme of vacuum chamber 10 is fixed to be cup jointed with seal cover 11, be the rubber material, be used for sealing vacuum tube 12, avoid gas leakage, vacuum tube 12 has been cup jointed in seal cover 11, the upper end of vacuum chamber 10 articulates has case lid 15, the right-hand member of case lid 15 articulates has installation, the inner surface of the limiting groove 22 is in sliding sleeve connection with the limiting pin 21, the limiting groove 22 is designed to provide an installation clamping space for the limiting pin 21, the upper end of the vacuum box 10 is provided with a sealing groove 23, an air bag 25 is arranged in the sealing groove 23, and the air bag 25 is made of elastic rubber.

Referring to fig. 1, the lower end of the heat dissipation strip 6 is in contact connection with the water tank 2, a plurality of heat dissipation blocks 7 are arranged on the outer side of the heat dissipation strip 6, and the contact surface between the heat dissipation strip 6 and water in the water tank 2 is increased by arranging the heat dissipation blocks 7, so that heat dissipation is accelerated.

Referring to fig. 1, a vacuum pump 13 is disposed at a lower end of a vacuum tube 12, a scavenging tube 14 is disposed at a lower end of the vacuum pump 13, the scavenging tube 14 is fixedly sleeved on a side wall of the installation box 1, the vacuum pump 13 belongs to the prior art, and the vacuum pump 13 is used for pumping air in the vacuum box 10 to form a vacuum state in the vacuum box 10.

Referring to fig. 4, an installation groove 17 is formed at the upper end of the box cover 15, a transparent plate 18 is disposed in the installation groove 17, a sealing gasket 19 is adhered to the lower end of the transparent plate 18, the sealing gasket 19 is adhered to the box cover 15, and the transparent plate 18 is made of glass and used for observing the vacuum box 10.

Referring to fig. 3, a clamping strip 24 is disposed at the lower end of the box cover 15, an air bag 25 is connected to the lower end of the clamping strip 24 in a contact manner, and the clamping strip 24 is used for being matched with the sealing groove 23 to limit the box cover 15 and being matched with the air bag 25 to seal.

Referring to fig. 2, a hose 26 is disposed on a side surface of the air bag 25, a rear end of the vacuum box 10 is fixedly sleeved with the hose 26, and the hose 26 is used for introducing air into the air bag 25 to inflate the air bag 25 and seal the vacuum box 10.

The utility model discloses a theory of operation and use flow: the utility model discloses install the back, will wait to detect the sealing member and place in standing groove 16, close case lid 15, spacing pin 21 pegs graft into spacing 22 in, admit air in to gasbag 25 through hose 26, gasbag 25 inflation of admitting air, upper end and the laminating of card strip 24, seal up vacuum chamber 10, the sealing performance of vacuum chamber 10 has been increased, make the detection of instrument more accurate, examine time measuring simultaneously, components and parts 9 work in the install bin 1, produce the heat, because 1 lower extreme of install bin passes through the screw connection water tank 2, the fixed cover of 1 lower extreme of install bin connects heat dissipation strip 6, the lower extreme of heat dissipation strip 6 is in water tank 2 with water contact, dispel the heat through 6 heat conduction of heat dissipation strip components and parts 9 in the install bin 1, avoid components and parts 9 high temperature in the install bin 1, lead to components and parts 9 damage.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Vacuum decay leak detector, including install bin (1), its characterized in that: the water tank is connected with the lower end of the installation box (1) through a screw, the upper end of the water tank (2) is provided with an opening (3), the left end of the water tank (2) is fixedly sleeved with a water inlet pipe (4), the right end of the water tank (2) is provided with an overflow hole (5), the lower end of the installation box (1) is fixedly sleeved with a heat dissipation strip (6), the inner side of the lower end of the installation box (1) is fixedly provided with a component (9), the upper end of the installation box (1) is welded with a vacuum box (10), the lower end of the vacuum box (10) is fixedly sleeved with a sealing sleeve (11), the sealing sleeve (11) is sleeved with a vacuum pipe (12), the upper end of the vacuum box (10) is hinged with a box cover (15), the right end of the box cover (15) is hinged with an installation block (20), the right end of the vacuum box (10) is provided with a limiting groove (22), the inner surface of the limiting groove (22) is in sliding sleeve connection with a limiting pin (21), the upper end of the vacuum box (10) is provided with a sealing groove (23), and an air bag (25) is arranged in the sealing groove (23).

2. The vacuum decay leak detector of claim 1, wherein: the lower extreme contact of heat dissipation strip (6) is connected with water tank (2), the outside of heat dissipation strip (6) is provided with radiating block (7).

3. The vacuum decay leak detector of claim 1, wherein: the vacuum pump (13) is arranged at the lower end of the vacuum pipe (12), the air exchanging pipe (14) is arranged at the lower end of the vacuum pump (13), and the air exchanging pipe (14) is fixedly sleeved on the side wall of the installation box (1).

4. The vacuum decay leak detector of claim 1, wherein: the utility model discloses a case lid, including case lid (15), installation groove (17) have been seted up to the upper end of case lid (15), be provided with transparent plate (18) in installation groove (17), the lower extreme of transparent plate (18) bonds and has sealed the pad (19), it has sealed pad (19) to bond on case lid (15).

5. The vacuum decay leak detector of claim 1, wherein: the lower end of the box cover (15) is provided with a clamping strip (24), and the lower end of the clamping strip (24) is in contact connection with an air bag (25).

6. The vacuum decay leak detector of claim 1, wherein: the side of the air bag (25) is provided with a hose (26), and the rear end of the vacuum box (10) is fixedly sleeved with the hose (26).