Air tightness testing machine for plastic water chamber tank

By designing automated airtight fixtures and sealing components, the problems of cumbersome operation and insufficient accuracy in the airtightness testing of plastic water chambers in the existing technology have been solved, and efficient and accurate airtightness testing has been achieved.

CN224202690UActive Publication Date: 2026-05-05CHONGQING SPRING PLASTIC PROD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHONGQING SPRING PLASTIC PROD CO LTD
Filing Date
2025-06-27
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

The existing airtightness testing process for plastic water chambers is cumbersome and susceptible to human error, resulting in low testing efficiency and insufficient accuracy.

Method used

A plastic water chamber air tightness testing machine was designed. It adopts an air tightness tooling including a bottom mold, a first clamping slider and a second clamping slider, combined with an upper shell air inlet sealing component and an upper shell sealing component to realize automated sealing and air inlet functions. The automated operation is achieved through cylinder control.

Benefits of technology

It improves the accuracy and ease of operation of airtightness testing, reduces human error, and increases testing efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224202690U_ABST
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Abstract

The utility model relates to air tightness testing equipment, in particular to an air tightness testing machine for a plastic water chamber tank. Comprising a machine frame, a detection table top is arranged in the machine frame, an airtight tool is arranged on the detection table top, the airtight tool comprises a bottom die, a first clamping sliding block and a second clamping sliding block, and the bottom die is fixedly arranged on the detection table top; the first clamping slide block and the second clamping slide block are respectively arranged on the detection table top on two corresponding sides of the bottom die in a sliding manner; a plurality of lower shell plugging pieces are arranged on the bottom die; an upper shell air inlet plugging piece and an upper shell plugging piece are also arranged in the rack above the detection table board; the plastic water chamber box air tightness testing machine has the advantage of improving the accuracy and convenience of air tightness testing of a water chamber box.
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Description

Technical Field

[0001] This utility model relates to an airtightness testing device, specifically to an airtightness testing machine for a plastic water chamber. Background Technology

[0002] Plastic water chamber tanks consist of an upper shell and a lower shell. In the existing technology, the upper and lower shells of the water chamber tank are clamped by a manual device, and the connecting holes on the shells are sealed before inflation testing. The manual testing involves many steps and is cumbersome, resulting in low testing efficiency and inaccuracies due to human error. Utility Model Content

[0003] The present invention aims to provide a plastic water chamber box air tightness testing machine that improves the accuracy and convenience of water chamber box air tightness testing.

[0004] This solution discloses a plastic water chamber air tightness testing machine, which includes a frame and a testing platform. An air tightness fixture is provided on the testing platform, comprising a bottom mold, a first clamping slider, and a second clamping slider. The bottom mold is fixedly mounted on the testing platform, and the first and second clamping sliders are slidably mounted on corresponding sides of the bottom mold on the testing platform. The bottom mold has multiple lower shell sealing components, and the frame above the testing platform also has an upper shell air inlet sealing component and an upper shell sealing component.

[0005] The upper and lower shells of the product are aligned and placed on the bottom mold of the airtight fixture. The opening on the lower shell is aligned with the lower shell sealing component to seal it. The first and second clamping sliders are operated to tighten and fix the lower shell of the product. The upper shell air inlet sealing component and the upper shell sealing component are operated to seal the opening of the upper shell. Air is introduced through the upper shell air inlet sealing component to test the airtightness of the product.

[0006] Furthermore, a first groove is provided on each side of the first clamping slider, and both ends of the first clamping slider are slidably disposed within the first grooves. Both first grooves are fixedly disposed on the detection table surface. The first clamping slider can slide between the two first grooves.

[0007] Furthermore, a second groove is provided on each side of the second clamping slider, and both ends of the second clamping slider are slidably disposed within the second grooves. Both second grooves are fixedly disposed on the detection table surface. The second clamping slider can slide between the two second grooves.

[0008] Furthermore, the lower shell sealing component includes a sealing disc post, a sealing column, and three sealing ring posts, each with a sealing ring fitted onto its body. The lower shell sealing components are categorized into different types to accommodate openings of varying shapes on the product.

[0009] Furthermore, the upper shell air inlet sealing component includes an air inlet pipe, one end of which is connected in parallel to an inflation air inlet connector and an expansion plug air pipe connector. The upper shell air inlet sealing component is fixedly mounted on a bracket, which is fixedly connected to the piston rod of a first cylinder. The first cylinder is fixedly mounted vertically downwards on the frame. This design allows the upper shell air inlet sealing component to switch between air intake and sealing functions. The inclusion of a first cylinder facilitates automated operation.

[0010] Furthermore, the upper shell sealing component includes a connecting block and a sealing disc. The connecting block is fixedly connected to the piston rod of the second cylinder, and the second cylinder is fixedly mounted vertically downwards on the frame. The sealing disc is fixedly disposed on the lower surface of the connecting block. The inclusion of a second cylinder facilitates automated operation.

[0011] Furthermore, a through hole is provided in the middle of the bottom mold, the through hole extends to the testing platform, a sinking sealing column is provided in the through hole, the bottom of the sinking sealing column is provided on the mounting block, and the mounting block is fixed to the lower surface of the testing platform.

[0012] Furthermore, both the first and second clamping sliders are equipped with handles to facilitate the sliding of the first and second clamping sliders.

[0013] The advantages of this utility model are: when the plastic water chamber tank is placed on the testing platform, the lower shell sealing component on the bottom mold of the airtight fixture automatically seals the opening of the lower shell of the product, and the upper shell air inlet sealing component and the upper shell sealing component automatically seal the opening of the upper shell of the product. The upper shell air inlet sealing component also plays the role of automatic air intake. This not only increases the accuracy of the airtightness test, but also improves the convenience of the test operation. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of an embodiment of the airtightness testing machine for a plastic water chamber according to the present invention;

[0015] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0016] Figure 3 for Figure 2 Another perspective illustration;

[0017] Figure 4 This is a perspective view of the airtight tooling in this utility model.

[0018] In the diagram, 1 is the frame, 2 is the testing platform, 3 is the hanging rod, 4 is the top plate, 5 is the electrical control box, 6 is the leak detector, 7 is the bottom mold, 8 is the first clamping slider, 9 is the first slide groove, 10 is the second clamping slider, 11 is the second slide groove, 12 is the handle ring, 13 is the sealing disc column, 14 is the sealing column, 15 is the sealing ring column, 16 is the upper shell air inlet sealing component, 16-1 is the air inlet pipe, 16-2 is the inflation air inlet connector, 16-3 is the expansion plug air pipe connector, 16-4 is the rotary switch, 17 is the bracket, 18 is the first cylinder, 19 is the connecting block, 20 is the sealing disc, 21 is the second cylinder, 22 is the sinking sealing column, 23 is the mounting block, 101 is the upper shell, and 102 is the lower shell. Detailed Implementation

[0019] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:

[0020] according to Figures 1 to 4 As shown, a plastic water chamber air tightness testing machine in this solution includes a frame 1. A testing platform 2 is provided in the middle of the frame 1. The testing platform 2 is suspended from the lower surface of the top plate 4 of the frame 1 by four hanging rods 3. An electrical control box 5 and a leakage detector 6 are provided on the upper surface of the top plate 4. The electrical control box 5 is used to control the electrical control of the air tightness testing machine, and the leakage detector 6 is used to detect the air tightness of the product and record the air pressure fluctuation status in real time to determine whether it is a good product.

[0021] An airtight fixture is provided on the testing table 2. The airtight fixture includes a bottom mold 7, a first clamping slider 8, and a second clamping slider 10. The bottom mold 7 is fixedly located at the center of the testing table 2. The first clamping slider 8 and the second clamping slider 10 are respectively slidably located on the testing table 2 on the corresponding sides of the bottom mold 7.

[0022] The first clamping slider 8 has a first groove 9 on each side, with both ends of the first clamping slider 8 sliding within the first groove 9. Both first grooves 9 are fixed to the testing table 2. The first clamping slider 8 can slide between the two first grooves 9. Similarly, the second clamping slider 10 has a second groove 11 on each side, with both ends of the second clamping slider 10 sliding within the second groove 11. Both second grooves 11 are fixed to the testing table 2. The second clamping slider 10 can slide between the two second grooves 11. Both the first groove 9 and the second groove 11 have a C-shaped structure. Both the first clamping slider 8 and the second clamping slider 10 are equipped with handles 12 for easy operation.

[0023] The bottom mold 7 is equipped with multiple lower shell sealing components, including a sealing plate 20 column 13, a sealing column 14, and three sealing ring columns 15, all of which are fixedly mounted on the bottom mold 7. Sealing rings are fitted onto the columns of the sealing plate 20 column 13, the sealing column 14, and the sealing ring columns 15, thus classifying the lower shell sealing components into different types to accommodate openings of different shapes on the product.

[0024] The frame 1 above the testing platform 2 also includes an upper shell air inlet sealing component 16 and an upper shell sealing component. The upper shell air inlet sealing component 16 includes an air inlet pipe 16-1, one end of which is connected in parallel to an inflation inlet connector 16-2 and an expansion plug pipe connector 16-3. A rotary switch 16-4 is also provided at the inflation inlet connector 16-2 to control the closing of the inflation air inlet. The upper shell air inlet sealing component 16 is fixedly mounted on a bracket 17, which is fixedly connected to the piston rod of a first cylinder 18. The first cylinder 18 is fixedly mounted vertically downwards on the frame 1. This design allows the upper shell air inlet sealing component 16 to switch between air intake and sealing functions. The first cylinder 18 can be controlled via an electrical control box 5 for easy automation.

[0025] The upper shell sealing component includes a connecting block 19 and a sealing disc 20. The connecting block 19 is fixedly connected to the piston rod of the second cylinder 21. The second cylinder 21 is fixedly installed on the frame 1 in a vertically downward direction. The sealing disc 20 is fixedly disposed on the lower surface of the connecting block 19.

[0026] The second cylinder 21 can be controlled by the electrical control box 5, which facilitates automated operation.

[0027] The upper housing 101 and lower housing 102 of the product are aligned and placed on the bottom mold 7 of the airtight fixture. The opening on the lower housing 102 is aligned with the lower housing sealing component to seal it. The first clamping slider 8 and the second clamping slider 10 are operated to tighten and fix the lower housing 102 of the product. The upper housing air inlet sealing component 16 and the upper housing sealing component are operated to seal the opening of the upper housing 101. Air is introduced through the upper housing air inlet sealing component 16 to test the airtightness of the product.

[0028] In this embodiment, a through hole is provided in the middle of the bottom mold 7, which extends through to the test table 2. A sinking sealing column 22 is provided in the through hole. The top surface of the sinking sealing column 22 is lower than the upper surface of the through hole. The bottom of the sinking sealing column 22 is provided on the mounting block 23, and the mounting block 23 is fixed to the lower surface of the test table 2.

[0029] The plastic water chamber tank product is placed on the testing platform 2. The lower shell sealing component on the bottom mold 7 of the airtight fixture automatically seals the opening of the lower shell of the product. The upper shell air inlet sealing component 16 and the upper shell sealing component automatically seal the opening of the upper shell of the product. The upper shell air inlet sealing component 16 also plays the role of automatic air intake. This not only increases the accuracy of the airtightness test, but also improves the convenience of the test operation.

[0030] The above description is merely an embodiment of this utility model, and common knowledge such as specific structures and characteristics of the solution is not described in detail here. It should be noted that those skilled in the art can make several modifications and improvements without departing from the structure of this utility model, and these should also be considered within the protection scope of this utility model. These modifications and improvements will not affect the effectiveness of the implementation of this utility model or the practicality of the patent.

Claims

1. A plastic water chamber air tightness testing machine, comprising a frame, a testing platform provided within the frame, and an air tightness fixture provided on the testing platform, characterized in that: The airtight fixture includes a bottom mold, a first clamping slider, and a second clamping slider. The bottom mold is fixedly mounted on the testing table. The first clamping slider and the second clamping slider are slidably mounted on the testing table on opposite sides of the bottom mold. The bottom mold is provided with multiple lower shell sealing components. The frame above the testing table is also provided with an upper shell air inlet sealing component and an upper shell sealing component.

2. The airtightness testing machine for a plastic water chamber as described in claim 1, characterized in that: A first groove is provided on each side of the first clamping slider, and the two ends of the first clamping slider are slidably disposed in the first groove. Both first grooves are fixedly disposed on the detection table.

3. The airtightness testing machine for a plastic water chamber as described in claim 1, characterized in that: A second slide groove is provided on each side of the second clamping slider, and the two ends of the second clamping slider are slidably disposed in the second slide groove. Both second slide grooves are fixedly disposed on the detection table.

4. The airtightness testing machine for a plastic water chamber according to claim 1, characterized in that: The lower shell sealing component includes a sealing disc column, a sealing upright column, and three sealing ring columns, and each of the sealing disc column, sealing upright column, and sealing ring column is fitted with a sealing ring.

5. The airtightness testing machine for a plastic water chamber according to claim 1, characterized in that: The upper shell air inlet sealing component includes an air inlet pipe, one end of which is connected in parallel to an air inlet connector and an expansion plug pipe connector; the upper shell air inlet sealing component is fixedly installed on a bracket, the bracket is fixedly connected to the piston rod of the first cylinder, and the first cylinder is fixedly installed on the frame in a vertically downward direction.

6. The airtightness testing machine for a plastic water chamber according to claim 1, characterized in that: The upper shell sealing component includes a connecting block and a sealing disc. The connecting block is fixedly connected to the piston rod of the second cylinder. The second cylinder is fixedly installed on the frame in a vertically downward direction. The sealing disc is fixedly disposed on the lower surface of the connecting block.

7. The airtightness testing machine for a plastic water chamber according to claim 1, characterized in that: The bottom mold has a through hole in the middle, which extends to the test platform. A sinking sealing column is provided in the through hole, and the bottom of the sinking sealing column is located on the mounting block. The mounting block is fixed to the lower surface of the test platform.

8. The airtightness testing machine for a plastic water chamber according to claim 1, characterized in that: Both the first clamping slider and the second clamping slider are equipped with handle rings.