CN220084262U

CN220084262U - Inner cavity air guide groove

Info

Publication number: CN220084262U
Application number: CN202321483507.8U
Authority: CN
Inventors: 何立; 黄治国; 黄海荣
Original assignee: Shenzhen Zhuoyu Automation Science & Technology Co ltd
Current assignee: Shenzhen Zhuoyu Automation Science & Technology Co ltd
Priority date: 2023-06-12
Filing date: 2023-06-12
Publication date: 2023-11-24
Anticipated expiration: 2033-06-12

Abstract

The utility model relates to the technical field of helium detection, in particular to an inner cavity air guide groove, which comprises a bottom plate, wherein the top of the bottom plate is fixedly connected with a sealing shell body, the inner surface of the sealing shell body is provided with a placing groove, the inner cavity of the placing groove is provided with a sealing inner shell body, two sides of the bottom of the sealing inner shell body are fixedly connected with supporting bosses, and the bottom of each supporting boss is in contact with the bottom of the inner wall of the placing groove. According to the utility model, the sealing inner shell body and the sealing outer shell body are contacted only through the supporting boss, the bottom of the supporting boss is contacted with the bottom of the inner wall of the placing groove, so that other positions are kept away, the rapid flow of gas is facilitated, the air exhaust time is effectively accelerated, the helium detection efficiency is improved, and the problems that the existing sealing box body is inconvenient to use due to the fact that the contact area between the bottom surface of the inner shell and the bottom of the inner cavity of the outer shell is large, gaps are generated, the gas mobility is poor, the air exhaust time is prolonged, and the helium detection efficiency is reduced are solved.

Description

Inner cavity air guide groove

Technical Field

The utility model relates to the technical field of helium detection, in particular to an inner cavity air guide groove.

Background

Helium is detected as a detection means, helium with certain pressure is filled after a detected workpiece is evacuated, a vacuum box with certain vacuum degree requirement is arranged outside the detected workpiece, the vacuum box is connected with a leakage detection port, in the helium detection process, a mechanical arm places a battery cell into a sealing box body to position the battery cell, but when the conventional sealing box body is used, the contact area between the bottom surface of an inner shell and the bottom of an inner cavity of an outer shell is large, gaps are generated, the gas mobility is poor, the air suction time is prolonged, the helium detection efficiency is reduced, and the use of people is inconvenient.

Disclosure of Invention

The utility model mainly aims to provide an inner cavity air guide groove which can 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 inner cavity air guide groove comprises a bottom plate, the top fixedly connected with sealed shell body of bottom plate, the standing groove has been seted up to sealed shell body's internal surface, sealed inner shell body has been placed to the inner chamber of standing groove, the equal fixedly connected with support boss in both sides of sealed inner shell body bottom, the bottom of support boss contacts with the bottom of standing groove inner wall, the spacing groove has been seted up to sealed inner shell body's internal surface.

Preferably, mounting holes are formed in the periphery of the inner surface of the bottom plate.

Preferably, the left side and the right side of the inner surface of the sealed inner shell body are provided with positioning holes.

Preferably, the front side and the back side of the top of the sealed inner shell body are fixedly connected with limiting plates, the inner cavity of the limiting groove is provided with a battery cell body, and the inner side of the limiting plates is in contact with the outer side of the battery cell body.

Preferably, semicircular grooves are formed in the periphery of the limiting groove and the inner surface of the sealing inner shell body.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the sealing inner shell body and the sealing outer shell body are contacted only through the supporting boss, the bottom of the supporting boss is contacted with the bottom of the inner wall of the placing groove, so that other positions are kept away, the rapid flow of gas is facilitated, the air exhaust time is effectively accelerated, the helium detection efficiency is improved, and the problems that the existing sealing box body is inconvenient to use due to the fact that the contact area between the bottom surface of the inner shell and the bottom of the inner cavity of the outer shell is large, gaps are generated, the gas mobility is poor, the air exhaust time is prolonged, and the helium detection efficiency is reduced are solved.

2. According to the utility model, the limiting plate is arranged to limit the battery cell body, so that the positioning effect on the battery cell body is effectively improved, the installation of the whole battery cell body is facilitated by arranging the mounting holes, and the space is formed between the limiting groove and the battery cell body by arranging the semicircular groove, so that the battery cell body is conveniently taken and placed.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an inner cavity air guide groove of the present utility model;

FIG. 2 is a schematic side view of the air guide groove of the inner cavity of the utility model;

FIG. 3 is a schematic cross-sectional view of the inner chamber air guide slot of the present utility model taken along line a-a in FIG. 2;

FIG. 4 is a schematic view of a first view of the sealed inner housing body in the inner cavity air guide slot of the present utility model;

FIG. 5 is a schematic view of a second view of the sealed inner housing body in the inner cavity air guide groove of the present utility model.

In the figure: 1. a bottom plate; 2. sealing the housing body; 3. sealing the inner housing body; 4. a limiting plate; 5. a cell body; 6. a mounting hole; 7. a limit groove; 8. positioning holes; 9. a placement groove; 10. a support boss; 11. a semicircular groove.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

As shown in fig. 1-5, the inner cavity air guide groove comprises a bottom plate 1, the top of the bottom plate 1 is fixedly connected with a sealed outer shell body 2, a placing groove 9 is formed in the inner surface of the sealed outer shell body 2, a sealed inner shell body 3 is placed in the inner cavity of the placing groove 9, support bosses 10 are fixedly connected to two sides of the bottom of the sealed inner shell body 3, the bottom of the support bosses 10 is in contact with the bottom of the inner wall of the placing groove 9, and a limit groove 7 is formed in the inner surface of the sealed inner shell body 3.

Through above-mentioned technical scheme, the mounting hole has all been seted up around the bottom plate internal surface, through setting up the mounting hole, the locating hole has all been seted up to the left and right sides of the internal surface of sealed inner shell, the front side at sealed inner shell body top and the equal fixedly connected with limiting plate of dorsal part, through setting up the limiting plate, it is spacing to electric core body, effectively improve the positioning effect to electric core body, electric core body has been placed to the inner chamber of spacing groove, and the inboard of limiting plate contacts with the outside of electric core body, the semicircular groove has all been seted up around the internal surface of sealed inner shell body and being located the spacing groove, through setting up the semicircular groove, form the space between spacing groove and electric core body, conveniently get the electric core body and put.

The working principle of the inner cavity air guide groove is as follows:

during installation, the sealed inner shell body 3 is installed in the inner cavity of the placing groove 9, the bottom of the supporting boss 10 is in contact with the bottom of the inner wall of the placing groove 9 at the moment, other positions are kept away, when helium is detected, the battery cell body 5 is placed in the inner cavity of the limiting groove 7 through the manipulator, the inner cavity of the placing groove 9 forms a gas circulation space due to the fact that the sealed inner shell body 3 and the sealed outer shell body 2 are only in contact through the supporting boss 10, gas can flow fast, the gas extraction time is effectively accelerated, the helium detection efficiency is improved, the problems that the bottom surface of the inner shell is large in contact area with the bottom of the inner cavity of the outer shell when the conventional sealed box body is used, gaps are generated, the gas flowability is poor, the gas extraction time is prolonged, the helium detection efficiency is reduced, and the use of people is inconvenient are solved.

It should be understood that the foregoing examples of the present utility model are merely illustrative of the present utility model and not limiting of the embodiments of the present utility model, and that various other changes and modifications can be made by those skilled in the art based on the above description, and it is not intended to be exhaustive of all of the embodiments, and all obvious changes and modifications that come within the scope of the utility model are defined by the following claims.

Claims

1. Inner chamber air duct, including bottom plate (1), its characterized in that: the top fixedly connected with sealed shell body (2) of bottom plate (1), standing groove (9) have been seted up to the internal surface of sealed shell body (2), sealed inner shell body (3) have been placed to the inner chamber of standing groove (9), the equal fixedly connected with of both sides of sealed inner shell body (3) bottom supports boss (10), the bottom of supporting boss (10) contacts with the bottom of standing groove (9) inner wall, spacing groove (7) have been seted up to the internal surface of sealed inner shell body (3).

2. The inner chamber air guide groove according to claim 1, wherein: mounting holes (6) are formed in the periphery of the inner surface of the bottom plate (1).

3. The inner chamber air guide groove according to claim 1, wherein: positioning holes (8) are formed in the left side and the right side of the inner surface of the sealing inner shell body (3).

4. The inner chamber air guide groove according to claim 1, wherein: the battery cell is characterized in that the front side and the back side of the top of the sealed inner shell body (3) are fixedly connected with limiting plates (4), the battery cell body (5) is placed in the inner cavity of the limiting groove (7), and the inner sides of the limiting plates (4) are in contact with the outer sides of the battery cell body (5).

5. The inner chamber air guide groove according to claim 1, wherein: semicircular grooves (11) are formed in the periphery of the limiting groove (7) on the inner surface of the sealing inner shell body (3).