Open type thin shell airtight and strength testing toolTechnical Field
The utility model relates to the technical field of shell detection, in particular to an airtight and strength testing tool for an open type thin shell.
Background
The existing airtight test structure aims at a closed shell, a medium inlet is arranged during test, gas or liquid is injected to exert pressure through a medium joint and a pipeline during test, and whether the shell is sealed or whether the strength meets the requirement is judged by detecting pressure change through an instrument.
The existing airtight test structure has the following defects: the open type shell cannot be tested, and when the medium is injected into the open type shell, the open type shell can be discharged from the open position; the shell with too thin material thickness cannot be tested, and the product can expand and deform when the material is too thin, so that the testing result is distorted; the problem of deformation of the shell with the thickness being measured being too thin during vacuumizing cannot be solved; for example, the battery pack of the new energy automobile cannot be tested by adopting the existing airtight test structure.
Disclosure of Invention
Therefore, the utility model provides an airtight and strength testing tool for an open thin shell, wherein a product is placed on an anti-deformation pad of a bottom plate by a user, an anti-deformation core block, a sealing element and an upper cover plate are combined into a whole, and are collectively called an upper cover assembly, the upper cover assembly covers the product, a sealing cavity is formed by connecting the bottom plate through a quick clamp or a bolt, and if a hole is formed in the shell, the hole can be plugged through a hole plugging mechanism to form the sealing cavity, so that the problems that the detection is inconvenient to use a large machine for detecting the thin shell, the product can expand and deform when the material is too thin, and the testing result is distorted and the measured thickness is easy to deform when the thin shell is vacuumized are solved.
In order to achieve the above object, the present utility model provides the following technical solutions: the airtight and strength testing tool for the open type thin shell comprises a bottom plate, wherein an anti-deformation pad is arranged at the top of the bottom plate, and a tested open type shell is arranged at the top of the anti-deformation pad;
the upper cover plate quick clamp device is characterized in that a profiling anti-deformation core block is arranged at the top of the tested open type shell, a sealing gasket is arranged at the top of the profiling anti-deformation core block, an upper cover plate is arranged at the top of the sealing gasket, a plurality of upper cover plate quick clamps are fixedly connected to the top of the bottom plate, the upper cover plate quick clamps are uniformly distributed on the outer side of the anti-deformation gasket, two upper cover plate positioning pins are arranged at the top of the bottom plate, and the two upper cover plate positioning pins are respectively positioned on two sides of the anti-deformation gasket.
Preferably, the top of the upper cover plate is fixedly connected with a medium filling nozzle.
Preferably, the top of the upper cover plate is fixedly connected with a medium discharge nozzle.
Preferably, positioning holes are formed in two sides of the top of the upper cover plate.
Preferably, the bottom plate bottom fixedly connected with a plurality of supporting legs, a plurality of supporting legs evenly distributed is around the base bottom.
Preferably, the medium discharging nozzle is positioned at one side of the medium filling nozzle.
Preferably, the two positioning holes are matched with the two upper cover plate positioning pins respectively.
Preferably, a quick clamping plug is fixedly connected to one side of the bottom plate.
The beneficial effects of the utility model are as follows:
the utility model sets the product on the anti-deformation pad of the bottom plate, the anti-deformation core block, the sealing element and the upper cover plate are combined into a whole, which is called as the upper cover assembly, the upper cover assembly covers the product, the bottom plate is connected by the quick clamp or the bolt to form the sealing cavity, if the shell is provided with a hole, the hole can be plugged by the hole plugging mechanism to form the sealing cavity, so as to solve the problems that the detection is inconvenient by large machinery of some thin shells, the product expands and deforms when the material is too thin, the distortion of the test result is caused, and the deformation is easy when the shell with too thin thickness is vacuumized.
Drawings
FIG. 1 is an exploded view of the overall structure provided by the present utility model;
FIG. 2 is a schematic view of the overall structure provided by the present utility model;
FIG. 3 is a schematic perspective view of the use process according to the present utility model;
in the figure: the device comprises a bottom plate 1, an upper cover plate 2, a quick clamping plug 3, a quick clamping upper cover plate 4, a medium filling nozzle 5, a medium discharging nozzle 6, an upper cover plate positioning pin 7, an anti-deformation pad 8, a profiling anti-deformation core block 9, a sealing pad 10, a tested open type shell 11, a positioning hole 12 and a supporting leg 13.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
Referring to fig. 1-3, the airtight and strength test fixture for an open type thin shell provided by the utility model comprises a bottom plate 1, wherein an anti-deformation pad 8 is arranged at the top of the bottom plate 1, and a tested open type shell 11 is arranged at the top of the anti-deformation pad 8;
the top of the tested open type shell 11 is provided with a profiling deformation preventing core block 9, the top of the profiling deformation preventing core block 9 is provided with a sealing gasket 10, the top of the sealing gasket 10 is provided with an upper cover plate 2, the top of the bottom plate 1 is fixedly connected with a plurality of upper cover plate quick clamps 4, the plurality of upper cover plate quick clamps 4 are uniformly distributed outside the deformation preventing gasket 8, the top of the bottom plate 1 is provided with two upper cover plate positioning pins 7, the two upper cover plate positioning pins 7 are respectively positioned at two sides of the deformation preventing gasket 8, and one side of the bottom plate 1 is fixedly connected with a quick clamp plug 3;
in order to achieve the purpose of medium charging and discharging, the device is achieved by adopting the following technical scheme: the top of the upper cover plate 2 is fixedly connected with a medium filling nozzle 5, the top of the upper cover plate 2 is fixedly connected with a medium discharging nozzle 6, and the medium discharging nozzle 6 is positioned at one side of the medium filling nozzle 5;
in order to achieve the installation purpose, the device is achieved by adopting the following technical scheme: positioning holes 12 are formed in two sides of the top of the upper cover plate 2, and the two positioning holes 12 are matched with the two upper cover plate positioning pins 7 respectively;
in order to achieve the purpose of stable support, the device is achieved by adopting the following technical scheme: the bottom of the bottom plate 1 is fixedly connected with a plurality of supporting legs 13, and the supporting legs 13 are uniformly distributed around the bottom of the base.
The application process of the utility model is as follows: during operation, the tested open shell 11 is put into a cavity with the anti-deformation pad 8, an upper cover plate with an air inlet nozzle 6 and an air outlet nozzle of a 9 anti-deformation block sealing pad 105 is covered, the upper cover plate is pressed to the bottom plate 1 through the accurate positioning of an upper cover plate positioning pin 7, a sealing pad 10 is arranged between the upper cover plate and the profiling anti-deformation core block 9, the sealing pad contacts with the end face of a tested product, the upper cover plate quick clamp 4 is tightly pressed, the tested part fully contacts with the sealing pad 10 and achieves the sealing effect, the device medium filling joint is quickly connected with the medium filling nozzle 5, the test device is started, after the pressure requirement is met, data are obtained, the medium discharging nozzle 6 can be opened to quickly release pressure, the upper cover plate quick clamp 4 is released, the upper cover plate 2 is removed, the tested shell is taken out, when the pressure is met, the bottom plate 1 anti-deformation pad 8 can prevent the 11 of the tested open shell from further deforming when the pressure is met, after the pressure is released, the product is deformed and restored, when the airtight test is carried out, expensive rare gas is usually adopted, the profiling anti-deformation core block 9 plays a role of filling part of the cavity, the gas consumption can be reduced, when the airtight test is carried out, the airtight requirement is higher, the vacuum is usually required to be pumped first, then the rare gas is filled, the profiling anti-deformation core block 9 can prevent the tested workpiece from shrinking and deforming, when the strength test is carried out, a higher pressure medium is usually adopted, the cavity of the bottom plate 1, the upper cover plate 2 and the anti-deformation pad 8 can prevent the thinner product from deforming to exceed the allowable amount, the tested product is broken at the designed breaking position, thereby preventing accidents from occurring in the product test process, when holes are arranged around the shell, the quick clamping plug 3 with the sealing element can be pushed to seal the holes when the holes are arranged around the tested shell, when the tested shell is taken out, the upper cover plate quick clamp 4 is loosened, then the 3 clamp plugs are loosened, the upper cover plate 2 is removed, and the tested shell is taken out.
The above description is of the preferred embodiments of the present utility model, and any person skilled in the art may modify the present utility model or make modifications to the present utility model with the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present utility model falls within the scope of the protection claimed by the present utility model.