A residual liquid extraction device for gas cylinder inspection

Abstract

The utility model discloses a kind of residual liquid extraction devices for gas cylinder inspection, it is related to gas cylinder inspection technical field, including sleeve frame, the movable connecting pipe is installed in sleeve frame inside.The utility model is equipped with sleeve frame, movable connecting pipe, control handle, double pipe, connecting pipe, upper end sealing frame, lower end sealing frame, threaded rod, movable sleeve and liquid suction pump, can be adjusted to movable connecting pipe by the control handle installed in device, can keep the sealing property with gas cylinder interface after adjustment, double pipe plays the role of connection and shunt in device, it is connected with movable connecting pipe, simultaneously and is closely connected with connecting pipe, forms the passage of residual liquid extraction, these two sealing frames are comprehensively shielded from top to bottom two directions to connecting position, like two solid barriers, the gap that possibly appears is completely closed, maximum limit reduces the leakage of residual liquid in transmission process, guarantees the sealing performance of entire extraction passage.

Description

Technical Field

[0001] This utility model relates to the field of gas cylinder inspection technology, specifically to a residual liquid extraction device for gas cylinder inspection. Background Technology

[0002] In industrial production and daily life, gas cylinders are key containers for storing various gases, and their safety is of paramount importance. To ensure the stability of gas cylinders during use, regular inspections are essential. The removal and treatment of residual liquid in gas cylinders before inspection is a crucial preliminary step that affects inspection efficiency and safety. Traditional methods of removing residual liquid from gas cylinders have many drawbacks. Early methods often involved manual pouring or simple suction, which were not only inefficient but also posed a high risk of leakage. Some residual liquids are flammable, explosive, corrosive, or toxic. Once leaked, they could cause fires, explosions, or personal injury to operators, as well as environmental pollution. Therefore, a residual liquid removal device for gas cylinder inspection is needed.

[0003] Existing residual liquid extraction devices for gas cylinder inspection suffer from several structural design flaws. Some lack effective sealing measures at the connection points of various components, and some devices rely solely on the connections of the components themselves for sealing, resulting in extremely poor sealing. With increased use and time, these connections loosen, further degrading the sealing performance and leading to leakage of residual liquid during transport. This severely impacts the integrity and sealing of the extraction channel, reducing extraction efficiency. Many residual liquid extraction devices employ an integrated design with fixed connections between components, making disassembly and reassembly impossible. This design makes maintenance extremely inconvenient. When a component malfunctions or is damaged, it cannot be disassembled for repair or replacement; a large-scale disassembly of the entire device, or even replacement, is necessary. This not only increases maintenance difficulty and cost but also prolongs maintenance cycles, disrupting the normal operation of gas cylinder inspection. Therefore, a new residual liquid extraction device for gas cylinder inspection is urgently needed. Utility Model Content

[0004] Based on this, the purpose of this utility model is to provide a residual liquid extraction device for gas cylinder inspection, to solve the problems of existing residual liquid extraction devices for gas cylinder inspection. Some residual liquid extraction devices have structural design defects, lacking effective sealing measures at the connection points of various components. Some devices do not have dedicated sealing structures at these connection points, relying solely on the connection of the components themselves for sealing. This method has extremely poor sealing effect. With increased use and the passage of time, the connections between components become loose, further reducing the sealing performance and causing leakage of residual liquid during transmission. This seriously affects the integrity and sealing of the extraction channel, reducing the efficiency of residual liquid extraction. Many residual liquid extraction devices adopt an integrated structural design, with fixed connections between components that cannot be disassembled or assembled. This design makes the device extremely inconvenient to maintain. When a component malfunctions or is damaged, it cannot be disassembled for repair or replacement; the entire device must be disassembled on a large scale, or even replaced. This not only increases the difficulty and cost of maintenance but also prolongs the maintenance cycle, affecting the normal operation of gas cylinder inspection work.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a residual liquid extraction device for gas cylinder inspection, comprising a frame, a movable connecting pipe installed inside the frame, a control handle sleeved on the outer end of the movable connecting pipe, a double-pass pipe installed on the upper end of the movable connecting pipe, a connecting pipe installed at one end of the double-pass pipe, an upper sealing frame installed on the upper end of the connecting pipe, a lower sealing frame installed at the lower end of the upper sealing frame, threaded rods installed at both ends of the lower sealing frame, a movable sleeve installed at one end of the connecting pipe, a liquid suction pump installed at one end of the movable sleeve, an outlet pipe installed at one end of the liquid suction pump, a liquid storage tank installed at the lower end of the outlet pipe, and an observation plate installed at the front end of the liquid storage tank.

[0006] Preferably, the sleeve is threadedly connected to the movable connecting pipe, and the movable connecting pipe is tightly fitted to the double-pass pipe.

[0007] Preferably, the upper sealing frame is threadedly connected to the lower sealing frame via a threaded rod, and the upper and lower sealing frames are the same size.

[0008] Preferably, the connecting pipe is threadedly connected to the movable sleeve, and the movable sleeve is engaged with the liquid suction pump.

[0009] Preferably, the liquid storage tank is embeddedly connected to the observation plate, and the observation plate has scale lines engraved on its surface.

[0010] Compared with the prior art, the beneficial effects of this utility model are:

[0011] 1. This utility model comprises a sleeve frame, a movable connecting pipe, a control handle, a double-pass pipe, a connecting pipe, an upper sealing frame, a lower sealing frame, a threaded rod, a movable sleeve, and a liquid suction pump. The movable connecting pipe can be adjusted using the control unit installed in the device, maintaining a tight seal with the gas cylinder interface after adjustment. The dual-way pipe serves as both a connection and a diversion device, connecting to the movable connecting pipe and also tightly connected to the connecting pipe, forming a channel for residual liquid extraction. These two sealing frames completely shield the connection point from both above and below, acting as two sturdy barriers to completely seal any possible gaps, minimizing leakage of residual liquid during transmission and ensuring the sealing performance of the entire extraction channel. Once all components of the device are adjusted and the sealing performance is guaranteed, the liquid suction pump starts working, generating strong suction to extract the residual liquid from the gas cylinder through the movable connecting pipe, dual-way pipe, and connecting pipe, and then transporting it to the storage tank for centralized storage via the outlet pipe. The observation panel installed on the storage tank provides operators with a direct means of monitoring the residual liquid storage level. Operators can use the observation panel to understand the residual liquid status in the storage tank at any time, so as to clean or replace it in a timely manner and ensure that the device can operate continuously and stably.

[0012] 2. This utility model features a frame, movable connecting pipe, double-way pipe, connecting pipe, movable sleeve, liquid suction pump, outlet pipe, and storage tank. The connection between the movable connecting pipe and the double-way pipe is also detachable. After long-term use, the movable connecting pipe may experience a decrease in sealing performance due to frequent contact with the gas cylinder interface. In this case, it can simply be removed from the double-way pipe and replaced with a new movable connecting pipe. The operation is simple and quick, greatly shortening maintenance time. If the double-way pipe becomes blocked, or the connecting pipe or movable sleeve is damaged, the relevant components can be easily disassembled for cleaning. The liquid suction pump, as the power core of the device, connects with the double-way pipe... The connection of the inlet and outlet pipes adopts a standardized interface design. When the suction pump malfunctions and needs maintenance, it can be removed from the device simply by loosening the fixing device at the interface and sent to a professional department for repair. Other components can remain in good condition and be reassembled for use after the suction pump is repaired. This multi-part splicing design not only facilitates disassembly and maintenance but also makes the device very convenient to carry. When the device needs to be moved to different gas cylinder inspection sites, the operator can disassemble each component one by one. The disassembled components are relatively small in size and can be transported in batches, avoiding the inconvenience caused by the large size of the device when moving the whole device. Attached Figure Description

[0013] Figure 1 This is a frontal three-dimensional structural diagram of the present invention;

[0014] Figure 2 This is a frontal three-dimensional structural cross-sectional view of the present invention;

[0015] Figure 3 This is a bottom view of the frame structure of this utility model;

[0016] Figure 4 This is a schematic diagram of the upper and lower sealing frames of this utility model.

[0017] In the diagram: 1. Sleeve frame; 2. Movable connecting pipe; 3. Control handle; 4. Two-way pipe; 5. Connecting pipe; 6. Upper sealing frame; 7. Lower sealing frame; 8. Threaded rod; 9. Movable sleeve; 10. Liquid suction pump; 11. Outlet pipe; 12. Liquid storage tank; 13. Observation plate. Detailed Implementation

[0018] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0019] The embodiments of this utility model will be described below based on its overall structure.

[0020] Please see Figures 1-4A residual liquid extraction device for gas cylinder inspection includes a frame 1. A movable connecting pipe 2 is installed inside the frame 1, and a control handle 3 is fitted onto the outer end of the movable connecting pipe 2. The frame 1 is threadedly connected to the movable connecting pipe 2, and the movable connecting pipe 2 is tightly fitted to a double-pass pipe 4. The movable connecting pipe 2 installed inside the frame 1 can be operated via the control handle 3, maintaining a tight seal between the device and the gas cylinder during operation. A double-pass pipe 4 is installed at the upper end of the movable connecting pipe 2, and a connecting pipe 5 is installed at one end of the double-pass pipe 4. An upper sealing frame 6 is installed at the upper end of the connecting pipe 5, and a lower sealing frame 7 is installed at the lower end of the upper sealing frame 6. Threaded rods 8 are installed at both ends of the lower sealing frame 7. The upper sealing frame 6 is threadedly connected to the lower sealing frame 7 via the threaded rods 8, and the upper sealing frame 6 and the lower sealing frame 7 are of the same size. The upper sealing frame 6 and lower sealing frame 7 installed in the device can shield the pipe connection position in the device, further maintaining the sealing effect of the external pipe connection and stabilizing the air pressure inside the pipe. One end of the connecting pipe 5 is equipped with a movable sleeve 9, and one end of the movable sleeve 9 is equipped with a liquid suction pump 10. One end of the liquid suction pump 10 is equipped with a discharge pipe 11, and the lower end of the discharge pipe 11 is equipped with a liquid storage tank 12. An observation plate 13 is installed at the front end of the liquid storage tank 12. The liquid storage tank 12 and the observation plate 13 are embeddedly connected, and the observation plate 13 has scale lines engraved on its surface. The observation plate 13 installed on the liquid storage tank 12 provides the operator with an intuitive means of monitoring the residual liquid storage. The operator can use the observation plate 13 to understand the residual liquid status in the liquid storage tank 12 at any time, so as to clean or replace it in time and ensure that the device can work continuously and stably.

[0021] Working Principle: During use, the components of the device, including the sleeve 1, movable connecting pipe 2, double-pass pipe 4, connecting pipe 5, movable sleeve 9, liquid suction pump 10, outlet pipe 11, and storage tank 12, can be installed and connected in sequence. After installation, the movable connecting pipe 2 and its reverse height can be adjusted via the device's control mechanism. After adjustment, the double-pass pipe 4 can be connected to the connecting pipe 5, and the connecting pipe 5 can be connected to the movable sleeve 9. The other end of the movable sleeve 9 can be connected to the liquid suction pump 10. After connection, the device can be connected via the threaded rod 8. The upper sealing frame 6 and the lower sealing frame 7 are fitted and fixed at the gap of the pipe connection to maintain the sealing of the entire pipe connection. After the entire installation is completed, the liquid suction pump 10 in the device can be used to pump the residual liquid inside the gas cylinder into the liquid storage tank 12. The residual liquid volume inside the liquid storage tank 12 can be observed through the observation plate 13, and cleaning or replacement can be carried out in time to ensure that the device can work continuously and stably. This completes the use of the device. The contents not described in detail in this specification are the prior art known to those skilled in the art.

[0022] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A residual liquid extraction device for gas cylinder inspection, comprising a frame (1), characterized in that: The sleeve (1) is equipped with a movable connecting pipe (2), and a control handle (3) is sleeved on the outer end of the movable connecting pipe (2). A double-pass pipe (4) is installed on the upper end of the movable connecting pipe (2), and a connecting pipe (5) is installed on one end of the double-pass pipe (4). An upper sealing frame (6) is installed on the upper end of the connecting pipe (5), and a lower sealing frame (7) is installed on the lower end of the upper sealing frame (6). Threaded rods (8) are installed on both the front and rear ends of the lower sealing frame (7). A movable sleeve (9) is installed on one end of the connecting pipe (5), and a liquid suction pump (10) is installed on one end of the movable sleeve (9). An outlet pipe (11) is installed on one end of the liquid suction pump (10), and a storage tank (12) is installed on the lower end of the outlet pipe (11). An observation plate (13) is installed on the front end of the storage tank (12).

2. The residual liquid extraction device for gas cylinder inspection according to claim 1, characterized in that: The sleeve (1) is threadedly connected to the movable connecting pipe (2), and the movable connecting pipe (2) is tightly fitted to the double-pass pipe (4).

3. The residual liquid extraction device for gas cylinder inspection according to claim 1, characterized in that: The upper sealing frame (6) is threadedly connected to the lower sealing frame (7) via a threaded rod (8), and the upper sealing frame (6) and the lower sealing frame (7) are the same size.

4. The residual liquid extraction device for gas cylinder inspection according to claim 1, characterized in that: The connecting pipe (5) is threadedly connected to the movable sleeve (9), and the movable sleeve (9) is engaged with the liquid suction pump (10).

5. The residual liquid extraction device for gas cylinder inspection according to claim 1, characterized in that: The liquid storage tank (12) is embeddedly connected to the observation plate (13), and the observation plate (13) has scale lines engraved on its surface.

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