Electronic product air tightness testing apparatus and method

By using movable sealing components and magnetic parts to automatically seal the sound leakage holes of telephone watches in the airtightness testing equipment, the problems of large operational errors and low detection accuracy are solved, achieving high-precision airtightness testing and reducing labor costs.

CN113916448BActive Publication Date: 2026-01-27GUANGDONG LICHANG ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202111183512.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-10-11
Publication Date
2026-01-27
Estimated Expiration
2041-10-11

AI Technical Summary

Technical Problem

In existing technologies, the sealing operation of the sound leakage hole of telephone watches has large errors, low detection accuracy, and high labor costs, resulting in inaccurate airtightness tests.

Method used

A movable sealing component is used to automatically seal the sound leakage hole of the phone watch through the cooperation of the upper and lower molds. The sealing component can be accurately moved and reset by using the inclined surface and magnetic attraction, and the sound leakage hole can be automatically sealed by the elastic sealing block.

Benefits of technology

It reduces operational errors, improves detection accuracy, reduces labor costs, and achieves automation and high precision in the airtightness testing of smartwatches.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses electronic product air tightness testing equipment, including rack, the lower mould for fixing electronic product is equipped on the rack, and the upper mould is equipped and can move to cover or separate from the lower mould, the upper mould forms the test cavity for testing the air tightness of electronic product with the lower mould when covering the lower mould, the sealing assembly is equipped on the lower mould and can move, the sealing assembly is driven to move and block the sound leakage hole of electronic product when the upper mould moves to cover the lower mould. Based on the above equipment, an electronic product air tightness testing method, the steps are as follows: fixing electronic product on the lower mould; the upper mould is lowered to cover the lower mould; the sealing assembly in the test cavity moves to block the sound leakage hole of electronic product; the air tightness of electronic product is detected; after detection, the upper mould is lifted to separate from the lower mould, and the sealing assembly moves to reset under the action of magnetic force. The above equipment and method realize the automatic blocking of the sound leakage hole of the telephone watch, reduce the operation error, improve the detection precision, and reduce the labor cost.
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Description

[Technical Field]

[0001] This application relates to the field of airtightness testing, and in particular to airtightness testing equipment and methods for electronic products. [Background Technology]

[0002] Air tightness is a crucial performance characteristic of smartwatches. During air tightness testing, the sound leakage vent of the smartwatch must be sealed first. However, sealing the sound leakage vent is done manually by applying adhesive tape. This manual sealing suffers from problems such as large operational errors, low testing accuracy, high labor costs, and material waste. [Summary of the Invention]

[0003] One of the purposes of this application is to provide an airtightness testing device for electronic products, which automatically seals the sound leakage hole of a phone watch by moving a sealing component that blocks the sound leakage hole when the upper mold moves to close the lower mold, thereby reducing operational errors, improving testing accuracy, and reducing labor costs.

[0004] This application is achieved through the following technical solution:

[0005] An electronic product airtightness testing device includes a frame, on which a lower mold for fixing the electronic product is provided, and an upper mold that can be moved to cover or detach from the lower mold. When the upper mold covers the lower mold, it forms a test cavity for testing the airtightness of the electronic product. The lower mold is provided with a movable sealing component. When the upper mold moves to cover the lower mold, it drives the sealing component to move and block the sound leakage hole of the electronic product.

[0006] As described above, in the electronic product airtightness testing equipment, a first inclined surface is formed on the sealing component, and a second inclined surface is formed on the upper mold that obliquely pushes against the first inclined surface. When the upper mold moves to cover the lower mold, the second inclined surface obliquely pushes against the first inclined surface, causing the sealing component to move.

[0007] As described above, in the electronic product airtightness testing equipment, the lower mold is provided with a first magnetic suction member, and the sealing assembly is provided with a second magnetic suction member that magnetically engages with the first magnetic suction member. When the upper mold moves away from the lower mold, the second magnetic suction member engages with the first magnetic suction member to move and reset the sealing assembly.

[0008] In the electronic product airtightness testing equipment described above, a first magnetic surface is formed on the first magnetic suction component, and a second magnetic surface is formed on the second magnetic suction component that magnetically attracts the first magnetic surface. The first magnetic surface and the second magnetic surface partially overlap when the sealing assembly moves to block the sound leakage hole of the electronic product.

[0009] In the electronic product airtightness testing equipment described above, the second magnetic suction surface is circular, the diameter of the second magnetic suction surface is D, and the displacement of the sealing assembly when the upper mold moves to cover the lower mold is S, where S:D is 1:5.

[0010] In the electronic product airtightness testing equipment described above, the angle between the first inclined plane and the vertical plane is 35° to 45°.

[0011] As described above, in the electronic product airtightness testing equipment, the sealing assembly includes a slider that can slide along the lower mold and a sealing block disposed on the slider for sealing the sound leakage hole of the electronic product, wherein the slider has the first inclined surface formed thereon.

[0012] In the above-described electronic product airtightness testing equipment, the sealing block is made of elastic material and the slider is made of metal material.

[0013] As described above, in the electronic product airtightness testing equipment, the sealing component moves in a first direction to block the sound leakage hole of the electronic product, the lower mold has a limiting groove to restrict the sealing component from moving away from the first direction, and a plurality of fixing posts are formed at intervals to fix the electronic product.

[0014] The second objective of this application is to provide a method for testing the airtightness of electronic products, the steps of which are as follows:

[0015] S1: Fix the electronic product onto the lower mold;

[0016] S2: The upper mold moves down to cover the lower mold, and together with the lower mold, forms a test cavity for testing the airtightness of electronic products;

[0017] S3: The sealing component inside the test chamber moves to block the sound leakage hole of the electronic product;

[0018] S4: To test the airtightness of electronic products;

[0019] S5: After the test is completed, the upper mold moves upward and separates from the lower mold, and the sealing component moves and resets under the action of magnetic force.

[0020] Compared with the prior art, the present invention has the following advantages:

[0021] This invention achieves automatic sealing of the sound leakage hole of a telephone watch by using a movable sealing component, thereby reducing operational errors, improving detection accuracy, and reducing labor costs. [Attached Image Description]

[0022] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below.

[0023] Figure 1This is a perspective view of the airtightness testing equipment for electronic products according to an embodiment of this application;

[0024] Figure 2 This is a perspective view of the upper mold covering the lower mold in an embodiment of this application;

[0025] Figure 3 This is a cross-sectional view of the upper mold covering the lower mold in an embodiment of this application;

[0026] Figure 4 This is a cross-sectional view of the upper mold detaching from the lower mold in an embodiment of this application;

[0027] Figure 5 for Figure 4 A magnified view of a section at point A in the middle;

[0028] Figure 6 This is a perspective view of the lower mold in an embodiment of this application;

[0029] Figure 7 This is a perspective view of the upper mold in the embodiments of this application.

Detailed Implementation Methods

[0030] To make the technical problems, technical solutions, and beneficial effects solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0031] like Figure 1-7 The illustrated electronic product airtightness testing equipment includes a frame 1, on which a lower mold 2 for fixing the electronic product is mounted, and an upper mold 3 that can be movable to close or detach from the lower mold 2. When the upper mold 3 closes the lower mold 2, it forms a test cavity 4 for testing the airtightness of the electronic product. A movable sealing component 5 is mounted on the lower mold 2. When the upper mold 3 moves to close the lower mold 2, it drives the sealing component 5 to move and block the sound leakage hole of the electronic product. This invention achieves automatic sealing of the sound leakage hole of a telephone watch through a movable sealing component, reducing operational errors, improving testing accuracy, and reducing labor costs.

[0032] Furthermore, as a preferred embodiment of the present invention and not a limitation thereof, the sealing component 5 has a first inclined surface 51 formed thereon, and the upper mold 3 has a second inclined surface 61 formed thereon that obliquely pushes against the first inclined surface 51. When the upper mold 3 moves to cover the lower mold 2, the second inclined surface 61 obliquely pushes against the first inclined surface 51, causing the sealing component 5 to move and block the sound leakage hole of the electronic product. This structure realizes that when the upper mold moves down to cover the lower mold, the sealing component moves to block the sound leakage hole of the telephone watch, and the structure is simple and easy to implement.

[0033] Furthermore, as a preferred embodiment of the present invention and not a limitation thereof, the angle between the first inclined surface 51 and the vertical surface is 35° to 45°. Preferably, the angle between the first inclined surface 51 and the vertical surface is 40°. By adopting the above-mentioned angle for the first inclined surface 51, the downward movement of the upper mold 3 can be avoided from being too large or too small when the sealing component 5 moves the same distance, thus optimizing the proportional relationship between the displacement of the sealing component 5 and the downward movement of the upper mold 3.

[0034] Furthermore, as a preferred embodiment of the present invention and not a limitation thereof, the sealing assembly 5 is detachably connected to the lower mold 2. The lower mold 2 is provided with a first magnetic attractor 7, and the sealing assembly 5 is provided with a second magnetic attractor 8 that magnetically engages with the first magnetic attractor 7. When the upper mold 3 moves away from the lower mold 2, the second magnetic attractor 8 engages with the first magnetic attractor 7 to move and reset the sealing assembly 5. Preferably, both the first magnetic attractor 7 and the second magnetic attractor 8 are magnets. The above structure achieves the movement and reset of the sealing assembly 5 through the magnetic attraction between the first magnetic attractor 7 and the second magnetic attractor 8. The structure is simple, easy to implement, and facilitates the installation and replacement of the sealing assembly 5.

[0035] Furthermore, as a preferred embodiment of the present invention and not a limitation thereof, the first magnetic member 7 has a first magnetic surface (not shown in the figure), and the second magnetic member 8 has a second magnetic surface (not shown in the figure) that magnetically attracts the first magnetic surface. When the sealing assembly 5 moves to block the sound leakage hole of the electronic product, the first magnetic surface and the second magnetic surface partially overlap; after the sealing assembly 5 moves and resets, the first magnetic surface and the second magnetic surface completely overlap. This arrangement facilitates the movement and reset of the sealing assembly.

[0036] Furthermore, as a preferred embodiment of the present invention and not a limitation thereof, the first magnetic surface and the second magnetic surface are identical in shape and size. This arrangement ensures that the magnetic force between the lower mold 2 and the sealing assembly 5 is equal, allowing the sealing assembly 5 to be quickly and accurately reset.

[0037] Furthermore, as a preferred embodiment of the present invention and not a limitation thereof, the second magnetic surface is circular, the diameter of the second magnetic surface is D, and the displacement of the sealing assembly 5 when the upper mold 3 moves to cover the lower mold 2 is S, where S:D is 1:5. This arrangement allows the sealing assembly 5 to be quickly and accurately reset.

[0038] Furthermore, as a preferred embodiment of the present invention and not a limitation thereof, the sealing assembly 5 includes a slider 52 slidable along the lower mold 2 and a sealing block 53 disposed on the slider 52 for sealing the sound leakage hole of the electronic product. The slider 52 has the first inclined surface 51 formed thereon. This arrangement achieves the sealing of the sound leakage hole of the electronic product, and is simple in structure and easy to implement. The sealing block 53 is made of an elastic material (e.g., plastic or silicone) so that it can undergo moderate deformation when sealing the sound leakage hole of the electronic product, thereby improving the sealing effect.

[0039] Furthermore, as a preferred embodiment of the invention and not a limitation thereof, the upper mold 3 is detachably connected to a sloping push block 6, on which the second sloping surface 61 is formed. This arrangement facilitates installation and replacement.

[0040] Furthermore, as a preferred embodiment of the invention and not a limitation thereof, the sealing component 5 moves in the first direction to block the sound leakage hole of the electronic product, and a limiting groove 21 is formed on the lower mold 2 to restrict the sealing component 5 from moving away from the first direction. This arrangement can improve the stability of the movement of the sealing component 5 and prevent the sealing component 5 from deviating from the movement direction and failing to block the sound leakage hole of the electronic product.

[0041] Furthermore, as a preferred embodiment of the present invention and not a limitation thereof, the lower mold 2 is provided with a plurality of spaced fixing posts 22 for fixing electronic products. This arrangement can fix electronic products and is simple in structure and easy to implement.

[0042] The airtightness testing method for electronic products based on the aforementioned airtightness testing equipment includes the following steps:

[0043] S1, fix the electronic product onto the lower mold 2;

[0044] S2, the upper mold 3 moves down to cover the lower mold 2 to form the test cavity 4;

[0045] S3, the sealing component 5 inside the test chamber 4 moves to block the sound leakage hole of the electronic product;

[0046] S4, gas is introduced into the test chamber 4 to test the airtightness of the electronic product;

[0047] S5, after the test is completed, the upper mold 3 moves upward and separates from the lower mold 2, and the sealing component 5 moves and resets under the action of magnetic force. Specifically, the sealing component 5 moves and resets under the magnetic attraction of the second magnetic attractor 7 and the first magnetic attractor 7.

[0048] In step S4, the method used to test the airtightness of electronic products is an existing testing method.

[0049] The above method realizes the automatic sealing of the sound leakage hole of electronic products in the airtightness test. This method effectively reduces operational errors, improves detection accuracy, and reduces labor costs.

[0050] It should be understood that the terms "first," "second," etc., are used in this application to describe various information, but this information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, without departing from the scope of this application, "first" information can also be referred to as "second" information, and similarly, "second" information can also be referred to as "first" information. In addition, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0051] The above description provides one or more embodiments in conjunction with specific content, and does not imply that the specific implementation of this application is limited to these descriptions. Any methods or structures that are similar to or identical to those of this application, or any technical deductions or substitutions made based on the concept of this application, should be considered within the scope of protection of this application.

Claims

1. An airtightness testing device for electronic products, comprising a frame (1), characterized in that, The frame (1) is provided with a lower mold (2) for fixing electronic products and an upper mold (3) that can be moved to cover or detach from the lower mold (2). When the upper mold (3) covers the lower mold (2), it forms a test cavity (4) with the lower mold (2) for testing the airtightness of the electronic products. The lower mold (2) is provided with a movable sealing component (5). When the upper mold (3) moves to cover the lower mold (2), it drives the sealing component (5) to move and block the sound leakage hole of the electronic products. The lower mold (2) is provided with a first magnetic suction member (7), and the sealing assembly (5) is provided with a second magnetic suction member (8) that magnetically engages with the first magnetic suction member (7). When the upper mold (3) moves away from the lower mold (2), the second magnetic suction member (8) engages with the first magnetic suction member (7) to move and reset the sealing assembly (5). The first magnetic suction member (7) has a first magnetic suction surface, and the second magnetic suction member (8) has a second magnetic suction surface that magnetically attracts the first magnetic suction surface. When the sealing assembly (5) moves to block the sound leakage hole of the electronic product, the first magnetic suction surface partially overlaps with the second magnetic suction surface.

2. The electronic product airtightness testing equipment according to claim 1, characterized in that, The sealing assembly (5) has a first inclined surface (51) formed on it, and the upper mold (3) has a second inclined surface (61) that obliquely pushes against the first inclined surface (51). When the upper mold (3) moves to cover the lower mold (2), the second inclined surface (61) obliquely pushes against the first inclined surface (51) to move the sealing assembly (5).

3. The electronic product airtightness testing equipment according to claim 1, characterized in that, The second magnetic suction surface is circular, and the diameter of the second magnetic suction surface is D. When the upper mold (3) moves to cover the lower mold (2), the displacement of the sealing component (5) is S, and the ratio of S to D is 1:

5.

4. The electronic product airtightness testing equipment according to claim 2, characterized in that, The angle between the first inclined plane (51) and the vertical plane is 35° to 45°.

5. The electronic product airtightness testing equipment according to claim 2, characterized in that, The sealing assembly (5) includes a slider (52) that can slide along the lower mold (2) and a sealing block (53) disposed on the slider (52) for sealing the sound leakage hole of the electronic product, wherein the first inclined surface (51) is formed on the slider (52).

6. The electronic product airtightness testing equipment according to claim 5, characterized in that, The sealing block (53) is made of elastic material, and the slider (52) is made of metal.

7. The electronic product airtightness testing equipment according to claim 1, characterized in that, The sealing assembly (5) moves in a first direction to block the sound leakage hole of the electronic product. The lower mold (2) has a limiting groove (21) that restricts the sealing assembly (5) from moving away from the first direction, and has a plurality of fixing posts (22) spaced apart for fixing the electronic product.

8. A method for testing the airtightness of electronic products, characterized in that, The test method is implemented using the electronic product airtightness testing equipment as described in any one of claims 1 to 7, and the steps are as follows: S1: Fix the electronic product onto the lower mold; S2: The upper mold moves down to cover the lower mold, and together with the lower mold, forms a test cavity for testing the airtightness of electronic products; S3: The sealing component inside the test chamber moves to block the sound leakage hole of the electronic product; S4: To test the airtightness of electronic products; S5: After the test is completed, the upper mold moves upward and separates from the lower mold, and the sealing component moves and resets under the action of magnetic force.

Citation Information

Patent Citations

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    CN112763158A

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