Tank cover pressure-resistant leakage test detection device
By introducing a pressure sealing component and a pressure sensor into the can lid pressure resistance test device, the problem of detection error caused by insufficient sealing was solved, and the accuracy of can lid pressure resistance test and production efficiency were improved.
Patent Information
- Application Number
- CN202520303244.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-02-25
AI Technical Summary
The existing pressure test and leak detection device for can lids has insufficient sealing performance due to insufficient air pressure measurement, which leads to errors in the air pressure measurement. This may result in unqualified can lids being judged as qualified or qualified can lids being wrongly judged as unqualified, affecting product quality and economic benefits.
A pressure-resistant leak testing device for a can lid was designed, comprising an air extraction component, a leak detection component, and a pressure sealing component. The device uses a pressure cylinder to drive the pressure cover to clamp the can lid with the pressure-resistant leak testing base, thereby improving the sealing performance. A pump and a pressure sensor are used for real-time pressure detection.
It improves the sealing between the can lid and the leak detection base, prevents air leakage, ensures the accuracy of air pressure detection, prevents misjudgment, and improves production efficiency and product quality.
Smart Images

Figure CN223741888U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of tank cover pressure resistance leak detection, specifically relates to tank cover pressure resistance leak detection device. BACKGROUND
[0002] In modern industrial production, as the key sealing component of the container, the tank cover is directly related to the quality and safety of the product, whether it is food, beverage, medicine and other industries, has strict requirements on the quality of the tank cover, and the tank cover pressure resistance leak detection device emerges as the times require, aims to ensure that the tank cover does not leak under the specified pressure, and guarantees the integrity of the product during storage and transportation.
[0003] In the detection process, poor sealing can cause a certain degree of gas exchange between the inside and outside of the detection device, when the air is pumped out, the expected vacuum degree cannot be reached, so that the detection air pressure cannot accurately reflect the actual pressure condition of the tank cover, and in the pressure measurement stage, the infiltration of external air or the exhalation of internal gas can cause error in the leak detection, which can lead to misjudgment of the tank cover pressure resistance and sealing, and the unqualified tank cover is judged as qualified and put into use, which brings hidden troubles to the product quality, or the qualified tank cover is misjudged as unqualified, causing unnecessary economic loss and affecting production efficiency and enterprise economic benefit.
[0004] Therefore, in view of the problem that the existing tank cover pressure resistance leak detection device has insufficient air pumping and pressure measuring sealing, which can cause error in leak detection, the tank cover pressure resistance leak detection device can be designed. INVENTION CONTENTS
[0005] In order to overcome the problem that the existing tank cover pressure resistance leak detection device has insufficient air pumping and pressure measuring sealing, which can cause error in leak detection.
[0006] The technical scheme of the utility model is as follows: a tank cover pressure resistance leak detection device, comprising an air pumping assembly, a leak detection assembly and a lower sealing assembly; the upper end of the air pumping assembly is provided with the leak detection assembly; the upper end of the leak detection assembly is provided with the lower sealing assembly; the air pumping assembly comprises a pressure measuring machine box, a control panel and a gas pump; the leak detection assembly comprises a tank cover pressure resistance leak detection base and a tank cover clamp; the lower sealing assembly comprises a lower pressure chamber shell, a lower pressure cylinder, a lower cover and a gas pressure sensor.
[0007] Preferably, the lower pressure cylinder drives the lower cover to press down the tank cover clamped between the tank cover pressure resistance leak detection base and the tank cover clamp, thereby improving the sealing property of the contact surface between the tank cover and the tank cover pressure resistance leak detection base, and preventing air leakage between the pressure measuring assembly and the tank cover, which solves the problem that the existing tank cover pressure resistance leak detection device has insufficient air pumping and pressure measuring sealing, which can cause error in leak detection.
[0008] As preferred, the upper end of the pressure measuring machine box is provided with a tank cover pressure resistance leak detection base, and the tank cover pressure resistance leak detection base is fixedly connected with the pressure measuring machine box; the inside of the pressure measuring machine box is provided with an air pump, and the air suction end of the air pump is connected with the inside of the tank cover pressure resistance leak detection base through a pipeline.
[0009] As preferred, the upper end of the pressure measuring machine box is provided with a tank cover pressure resistance leak detection base, and the tank cover pressure resistance leak detection base is fixedly connected with the pressure measuring machine box; the inside of the pressure measuring machine box is provided with an air pump, and the air suction end of the air pump is connected with the inside of the tank cover pressure resistance leak detection base through a pipeline.
[0010] As preferred, the upper end of the pressure measuring machine box is provided with a tank cover pressure resistance leak detection base, and the tank cover pressure resistance leak detection base is fixedly connected with the pressure measuring machine box; the inside of the pressure measuring machine box is provided with an air pump, and the air suction end of the air pump is connected with the inside of the tank cover pressure resistance leak detection base through a pipeline.
[0011] As preferred, the upper end of the pressure measuring machine box is provided with a tank cover pressure resistance leak detection base, and the tank cover pressure resistance leak detection base is fixedly connected with the pressure measuring machine box; the inside of the pressure measuring machine box is provided with an air pump, and the air suction end of the air pump is connected with the inside of the tank cover pressure resistance leak detection base through a pipeline.
[0012] As preferred, the upper end of the pressure measuring machine box is provided with a tank cover pressure resistance leak detection base, and the tank cover pressure resistance leak detection base is fixedly connected with the pressure measuring machine box; the inside of the pressure measuring machine box is provided with an air pump, and the air suction end of the air pump is connected with the inside of the tank cover pressure resistance leak detection base through a pipeline.
[0013] As preferred, the upper end of the pressure measuring machine box is provided with a tank cover pressure resistance leak detection base, and the tank cover pressure resistance leak detection base is fixedly connected with the pressure measuring machine box; the inside of the pressure measuring machine box is provided with an air pump, and the air suction end of the air pump is connected with the inside of the tank cover pressure resistance leak detection base through a pipeline.
[0014] The beneficial effects of the utility model are as follows:
[0015] 1. The existing tank cover pressure resistance leak detection device has the problems of insufficient air suction pressure sealing and easy error in leak detection pressure test; the tank cover is pressed down by the lower pressing cover driven by the lower pressing cylinder, thereby improving the sealing performance of the contact surface between the tank cover and the tank cover pressure resistance leak detection base, preventing air leakage between the pressure measuring assembly and the tank cover, and solving the problems of insufficient air suction pressure sealing and easy error in leak detection pressure test of the existing tank cover pressure resistance leak detection device.
[0016] 2. The air pump extracts the gas between the tank cover pressure resistance leak detection base and the tank cover, and the air pressure sensor detects the real-time air pressure in the space, thereby testing the pressure resistance performance of the tank cover when the air pressure between the tank cover pressure resistance leak detection base and the tank cover gradually decreases. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 The overall three-dimensional structure of the tank cover pressure resistance leak detection device of the utility model is shown.
[0018] Figure 2 The overall three-dimensional structure of the tank cover pressure resistance leak detection device of the utility model is shown.
[0019] Figure 3 The whole cross-section perspective structure schematic view of the tank cover pressure leakage detection device is shown.
[0020] Figure 4 The whole cross-section perspective structure schematic view of the tank cover pressure leakage detection device is shown.
[0021] The marks in the drawings are: 1, the air extraction assembly; 2, the leakage detection assembly; 3, the lower sealing assembly; 101, the pressure testing machine box; 102, the control panel; 103, the air pump; 201, the tank cover pressure leakage base; 202, the tank cover clamp; 301, the lower sealing assembly; 302, the lower sealing cylinder; 303, the lower sealing cover; 304, the air pressure sensor. DETAILED DESCRIPTION
[0022] The utility model is further explained in connection with the drawings and examples.
[0023] Please refer to Figures 1-4 The utility model provides an example: tank cover pressure leakage detection device, including air extraction assembly 1 still including leakage detection assembly 2, lower sealing assembly 3, the upper end of air extraction assembly 1 is provided with leakage detection assembly 2, the upper end of leakage detection assembly 2 is provided with lower sealing assembly 3, air extraction assembly 1 includes pressure testing machine box 101, control panel 102, air pump 103, leakage detection assembly 2 includes tank cover pressure leakage base 201, tank cover clamp 202, lower sealing assembly 3 includes lower sealing assembly 301, lower sealing cylinder 302, lower sealing cover 303, air pressure sensor 304.
[0024] Please refer to Figures 1-4In the embodiment, the upper end of the pressure measuring machine box 101 is provided with a tank cover pressure resistance leak detection base 201, and the tank cover pressure resistance leak detection base 201 is fixedly connected with the pressure measuring machine box 101; the inside of the pressure measuring machine box 101 is provided with a gas pump 103, and the gas suction end of the gas pump 103 is connected with the inside of the tank cover pressure resistance leak detection base 201 through a pipeline; the upper part of the tank cover pressure resistance leak detection base 201 is provided with a tank cover clamp 202, and the tank cover clamp 202 is sealingly connected with the tank cover pressure resistance leak detection base 201 through bolt locking; the rear of the tank cover pressure resistance leak detection base 201 is provided with a lower pressing warehouse shell 301, and the lower pressing warehouse shell 301 is fixedly connected with the pressure measuring machine box 101; the upper part of the tank cover clamp 202 is provided with a lower pressing cover 303; the upper part of the lower pressing cover 303 is provided with a lower pressing cylinder 302, and the lower pressing cylinder 302 drives the lower pressing cover 303 to ascend and descend; the lower pressing cylinder 302 is fixedly connected inside the lower pressing warehouse shell 301; the upper part of the lower pressing warehouse shell 301 is provided with a gas pressure sensor 304, and the probe end of the gas pressure sensor 304 is arranged in the inside of the tank cover pressure resistance leak detection base 201; the gas pressure sensor 304 is information transmission connected with the control panel 102, and the gas pump 103 is electrically connected with the control panel 102.
[0025] In the working process, the tank cover between the tank cover pressure resistance leak detection base 201 and the tank cover clamp 202 is pressed down by the lower pressing cylinder 302 driving the lower pressing cover 303, so as to improve the sealing performance of the contact surface between the tank cover and the tank cover pressure resistance leak detection base 201, and prevent the problem of gas leakage between the pressure measuring assembly and the tank cover.
[0026] Then, the gas pump 103 extracts the gas between the tank cover pressure resistance leak detection base 201 and the tank cover, and the gas pressure sensor 304 detects the real-time gas pressure in the inside space. When the gas pressure between the tank cover pressure resistance leak detection base 201 and the tank cover gradually decreases, the pressure resistance performance of the tank cover is tested.
[0027] Through the above steps, the tank cover between the tank cover pressure resistance leak detection base 201 and the tank cover clamp 202 is pressed down by the lower pressing cylinder 302 driving the lower pressing cover 303, so as to improve the sealing performance of the contact surface between the tank cover and the tank cover pressure resistance leak detection base 201, and prevent the problem of gas leakage between the pressure measuring assembly and the tank cover. The problem that the existing tank cover pressure resistance leak detection device has poor gas extraction and pressure measuring sealing performance and is easy to cause errors in the leak detection is avoided.
[0028] The embodiments of the utility model are described in detail above combined with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of the person skilled in the art without departing from the purpose of the utility model.
Claims
1. A pressurized leak detection device for a can end, comprising a suction assembly (1), characterized in that: Also include leak detection assembly (2), down pressure sealing assembly (3); the upper end of the air extraction assembly (1) is provided with leak detection assembly (2); the upper end of leak detection assembly (2) is provided with down pressure sealing assembly (3); air extraction assembly (1) includes pressure measuring machine box (101), control panel (102), air pump (103); leak detection assembly (2) includes tank cover pressure leak detection base (201), tank cover clamp (202); down pressure sealing assembly (3) includes down pressure cylinder (302), down pressure cover (303), air pressure sensor (304).
2. The can lid pressure leak resistance detection apparatus according to claim 1, characterized by: The upper end of the pressure measuring machine box (101) is provided with the tank cover pressure leak detection base (201), and the tank cover pressure leak detection base (201) is fixedly connected with the pressure measuring machine box (101); the inside of the pressure measuring machine box (101) is provided with the air pump (103), and the air extraction end of the air pump (103) is connected with the inside of the tank cover pressure leak detection base (201) through a pipeline.
3. The can lid pressure leak resistance detection apparatus according to claim 2, characterized by: The upper side of the tank cover pressure leak detection base (201) is provided with the tank cover clamp (202), and the tank cover clamp (202) and the tank cover pressure leak detection base (201) are sealingly connected through bolts.
4. The can lid pressure leak resistance detection apparatus according to claim 2, characterized by: The rear of the tank cover pressure leak detection base (201) is provided with the down pressure cylinder (302), and the down pressure cylinder (302) is fixedly connected with the pressure measuring machine box (101).
5. The can lid pressure leak detection apparatus of claim 3, wherein: The upper side of the tank cover clamp (202) is provided with the down pressure cover (303); the upper side of the down pressure cover (303) is provided with the down pressure cylinder (302), and the down pressure cylinder (302) drives the down pressure cover (303) to ascend and descend; and the down pressure cylinder (302) is fixedly connected inside the down pressure cylinder (302).
6. The can lid pressure leak detection apparatus of claim 4, wherein: The upper side of the down pressure cylinder (302) is provided with the air pressure sensor (304), and the probe end of the air pressure sensor (304) is arranged inside the tank cover pressure leak detection base (201).
7. The can lid pressure leak detection apparatus of claim 6, wherein: The air pressure sensor (304) and the control panel (102) are in information transmission connection, and the air pump (103) and the control panel (102) are in electric control connection.