Car air conditioning backup portable generator carburetor

Abstract

This invention relates to the field of generator carburetor technology, and more particularly to a portable generator carburetor for automotive air conditioning backup. The technical solution includes a carburetor body and a fuel injection port disposed thereon, and further includes: a connector installed at one end of the fuel injection port, the connector having a pair of first mounting holes, with mounting rods movably connected inside the first mounting holes, and an arc-shaped sleeve fixedly connected to the outer wall of the fuel injection port. This invention, through the design of a clamping mechanism, an arc-shaped sleeve, a support frame, and an arc-shaped rotating rod, allows the pair of first mounting holes on the connector to engage with a pair of mounting rods. Rotating the handle to drive the auger completes the installation of the carburetor, and rotating it in the opposite direction completes the disassembly. Disassembling the carburetor without tools saves time and steps in finding appropriate tools, simplifying the disassembly process and making it more convenient and faster.

Description

Technical Field

[0001] This invention relates to the field of generator carburetor technology, and more particularly to a portable generator carburetor for automotive air conditioning backup. Background Technology

[0002] Because automotive air conditioning systems require a significant amount of electricity to operate normally, they necessitate the use of a generator set. In traditional automobiles, the generator set is driven by the engine, converting mechanical energy into electrical energy to power the vehicle's electronic equipment and other electrical systems. When the car engine is running, the generator set automatically operates, charging the vehicle and providing power to meet the air conditioning system's power needs. In other words, the generator set provides the necessary electrical energy for the car's air conditioning system to ensure its normal operation. A backup portable generator set is typically used when the vehicle is unable to operate or the main power generation system is unavailable. This backup generator set provides power to the car's air conditioning system in specific situations, such as when the vehicle is parked for rest or in emergency situations, ensuring a comfortable ambient temperature.

[0003] Automotive air conditioning generator sets typically use a four-stroke internal combustion engine as the power source. The carburetor's function is to mix gasoline and air, and then inject this mixture into the engine through fuel injectors for combustion, thereby generating power to drive the generator. However, current carburetor installation methods usually involve inserting two support rods into the carburetor. These support rods are typically inserted into mounting holes on the carburetor and secured with nuts or clips. This method of installation means that the carburetor may require a specific type of tool for disassembly. Without the correct tools, it may be impossible to effectively disassemble the carburetor, which can complicate the repair process. Furthermore, when the carburetor is removed, its bottom drain pipe is also disconnected. Since there are no valves or other control devices to prevent fuel flow, fuel may drip or leak from the pipe connected to the drain pipe, causing fuel leakage. This not only results in waste but may also lead to safety accidents such as fires or explosions. Summary of the Invention

[0004] The purpose of this invention is to address the problems existing in the background art by proposing a carburetor for a backup portable generator set for automotive air conditioning.

[0005] The technical solution of the present invention: a portable generator carburetor for backup of automotive air conditioning, including a carburetor body and a fuel injection port disposed thereon, and further including: a connector installed at one end of the fuel injection port, the connector having a pair of first mounting holes, a mounting rod being movably connected inside the first mounting holes, an arc-shaped sleeve block being fixedly connected to the outer wall of the fuel injection port, and a clamping mechanism for quick disassembly and assembly of the carburetor body being provided on the arc-shaped sleeve block;

[0006] A drain nozzle is installed at the bottom of the carburetor body to discharge waste oil. One end of the drain nozzle is connected to a leak-proof pipe, and the leak-proof pipe is equipped with a leak-proof mechanism to prevent waste oil from flowing onto the ground.

[0007] Optionally, the clamping mechanism includes a support frame connected to the arc-shaped sleeve block. The arc-shaped sleeve block has rotating grooves at both ends and second mounting holes at both ends that overlap with the mounting rod and communicate with the rotating grooves. A rotating seat is fixedly connected to the inner wall of the rotating groove. A rotating rod is provided at one end of the rotating seat. A rotating block is rotatably connected to one end of the rotating seat via the rotating rod. A rotating clamping block is fixedly connected to one end of the rotating block. A spiral rod is helically connected to the support frame. A telescopic block is rotatably connected to one end of the spiral rod. Connecting ropes are fixedly connected to both ends of the telescopic block. A pair of arc-shaped rotating rods corresponding to the rotating groove are fixedly connected to one end of each connecting rope. One end of each arc-shaped rotating rod is fixedly connected to the rotating clamping block within the rotating groove.

[0008] Optionally, the leak-proof mechanism includes a leak-proof metal plug connected inside the leak-proof pipe. A strong magnetic annular sleeve is fixedly connected to one end of the leak-proof pipe. A plurality of inclined support rods arranged in a circumferential array are fixedly connected to one end of the strong magnetic annular sleeve. A slot is provided on the leak-proof metal plug. A rubber sealing ring is movably fitted inside the slot. A spring connecting plate is connected to one end of the leak-proof metal plug. A plurality of spring telescopic grooves arranged in a circumferential array are provided at one end of the leak-proof metal plug. A spring is provided inside each of the spring telescopic grooves. One end of each spring is fixedly connected to the spring connecting plate. A rubber leak-proof conical block for blocking one end of the leak-proof metal plug to prevent oil leakage is fixedly connected to the outer wall of one end of the spring connecting plate.

[0009] Optionally, one end of the inclined support rod is fixedly connected to a semi-circular abutment, and one end of the rubber sealing cone block is provided with a circular groove into which the semi-circular abutment can be inserted.

[0010] Optionally, the inner wall of the leak-proof pipe is fixedly connected with a plurality of connecting blocks that are connected to the outer wall of the leak-proof metal plug, and the leak-proof metal plug is detached from the connecting blocks after being subjected to external force.

[0011] Optionally, the rotating clamping block has a groove corresponding to the second mounting hole, and the inner wall of the groove is fixedly connected with a plurality of anti-slip protrusions for enhancing the connection with the mounting rod. The inner wall of the second mounting hole is fixedly connected with a rubber pad.

[0012] Optionally, the inner wall of the second mounting hole is fixedly connected with an anti-slip protrusion to enhance the connection with the mounting rod.

[0013] Optionally, the other end of the screw is fixedly connected to a handle for easy rotation.

[0014] Optionally, the carburetor body is provided with an air intake port for introducing air.

[0015] Optionally, one end of the oil drain nozzle is fixedly connected to a spiral plug that is spirally connected to a strong magnetic annular sleeve block, and the spiral plug block is used to hold the spiral plug block at the other end of the leak-proof metal plug block.

[0016] Compared with the prior art, the present invention has the following beneficial technical effects:

[0017] This invention, through the design of a clamping mechanism, an arc-shaped sleeve, a support frame, and an arc-shaped rotating rod, allows a pair of first mounting holes on the connector to engage with a pair of mounting rods. Rotating the handle drives the screw rod to rotate, completing the carburetor installation; rotating it in the opposite direction completes the carburetor removal. This tool-free carburetor removal saves time and effort in finding appropriate tools, simplifying the disassembly process and making it more convenient and faster.

[0018] Furthermore, this invention utilizes a combination of a leak-proof mechanism, a leak-proof pipe, a strong magnetic annular sleeve, and a leak-proof metal plug. By inserting and removing the drain pipe from the leak-proof pipe, the oil flow can be controlled, preventing leakage during maintenance or replacement. This not only prevents resource waste but also effectively seals the drain pipe, avoiding safety accidents caused by oil leakage. Attached Figure Description

[0019] Figure 1 A schematic diagram of the carburetor of the portable backup generator set for automotive air conditioning of the present invention is provided.

[0020] Figure 2 for Figure 1 Top view;

[0021] Figure 3 for Figure 1 Partial structural diagram;

[0022] Figure 4 for Figure 3 Partial structural diagram;

[0023] Figure 5 for Figure 4 A schematic diagram of the front view cross-sectional structure of the central arc-shaped sleeve block;

[0024] Figure 6 for Figure 5 Enlarged view of point A in the middle;

[0025] Figure 7 for Figure 5 Enlarged view of point B in the middle;

[0026] Figure 8 for Figure 1A cross-sectional schematic diagram of the central drain nozzle and leak-proof pipe;

[0027] Figure 9 for Figure 8 A partial diagram of the split structure;

[0028] Figure 10 for Figure 9 A schematic diagram of the disassembled structure of the leak-proof metal plug.

[0029] Reference numerals: 1. Carburetor body; 2. Connector; 3. Mounting rod; 4. Arc-shaped sleeve; 401. Rotating groove; 402. Arc-shaped rotating rod; 403. Second mounting hole; 404. Rubber pad; 405. Rotating seat; 406. Rotating block; 407. Support frame; 408. Telescopic block; 409. Screw rod; 410. Handle; 411. Rotating clamping block; 412. Anti-slip protrusion; 413. Rotating rod; 414. Connecting rope; 5. Exhaust 6. Oil nozzle; 6. Leak-proof pipe; 601. Strong magnetic ring sleeve; 602. Inclined support rod; 603. Semi-circular stop block; 604. Connecting block; 605. Leak-proof metal plug; 606. Slot; 607. Rubber sealing ring; 608. Spring connecting plate; 609. Rubber leak-proof conical block; 610. Spring telescopic groove; 611. Spring; 612. Circular groove; 7. Air inlet; 8. Oil injection port; 9. First mounting hole; 10. Spiral insert. Detailed Implementation

[0030] The technical solutions of this disclosure will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this disclosure, and not all embodiments.

[0031] The components of the embodiments of this disclosure, which are typically described and shown in the accompanying drawings, can be arranged and designed in a variety of different configurations. Therefore, the following detailed description of embodiments of this disclosure provided in the drawings is not intended to limit the scope of the claimed disclosure, but merely to illustrate selected embodiments of the disclosure.

[0032] Based on the embodiments in this disclosure, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this disclosure.

[0033] In the description of this disclosure, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "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 disclosure 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 disclosure. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0034] In the description of this disclosure, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linkage" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this disclosure based on the specific circumstances.

[0035] Example 1

[0036] like Figure 1-7 As shown, the portable carburetor for automotive air conditioning backup proposed in this invention includes a carburetor body 1 and a fuel injection port 8 disposed thereon. The carburetor body 1 has an air intake port 7 for introducing air, which is a pipe or line that guides air into the carburetor. It serves to connect the air filter and the carburetor, guiding filtered air into the carburetor, mixing it with fuel, and supplying it for engine combustion. It also includes: a connector 2 installed at one end of the fuel injection port 8, with a pair of first mounting holes 9. A mounting rod 3 is movably connected inside the first mounting holes 9. An arc-shaped sleeve 4 is fixedly connected to the outer wall of the fuel injection port 8, and the arc-shaped sleeve 4 is provided with a clamping mechanism for quick assembly and disassembly of the carburetor body 1; and a vent nozzle 5 located at the bottom of the carburetor body 1 for discharging waste oil. The vent nozzle 5 allows any impurities, moisture, or waste accumulated inside the carburetor to be discharged. By opening the vent valve, unwanted substances inside the carburetor can be discharged, ensuring the normal operation of the fuel system. One end of the oil drain nozzle 5 is connected to a leak-proof pipe 6. The leak-proof pipe 6 is equipped with a leak-proof mechanism to prevent waste oil from flowing to the ground. One end of the oil drain nozzle 5 is fixedly connected to a spiral plug 10 that is spirally connected to a strong magnetic ring sleeve 601. The spiral plug 10 is used to hold the spiral plug 10 at the other end of the leak-proof metal plug 605.

[0037] Furthermore, the clamping mechanism employs the lever principle. Through the lever action between the arc-shaped rotating rod 402 and the rotating clamping block 411, the force applied to the arc-shaped rotating rod 402 is amplified. When one end of the arc-shaped rotating rod 402 moves upward, the other end of the arc-shaped rotating rod 402 drives the rotating clamping block 411 to generate pressure on the second mounting hole 403, thereby clamping the object within the second mounting hole 403. When the tip of the anti-slip protrusion 412 on the rotating clamping block 411 contacts the object, it generates significant friction.

[0038] Furthermore, the clamping mechanism includes a support frame 407 connected to the arc-shaped sleeve 4. The arc-shaped sleeve 4 has rotating grooves 401 at both ends, and second mounting holes 403 at both ends that overlap with the mounting rod 3 and communicate with the rotating grooves 401. Anti-slip protrusions 412 for reinforcing the connection with the mounting rod 3 are fixedly connected to the inner wall of the second mounting holes 403. A rotating seat 405 is fixedly connected to the inner wall of the rotating groove 401. A rotating rod 413 is provided at one end of the rotating seat 405, and one end of the rotating seat 405 is connected to… A rotating block 406 is rotatably connected to the rotating rod 413. A rotating clamping block 411 is fixedly connected to one end of the rotating block 406. The rotating clamping block 411 has a groove corresponding to the second mounting hole 403. Multiple anti-slip protrusions 412 for reinforcing the connection with the mounting rod 3 are fixedly connected to the inner wall of the groove. A rubber pad 404 is fixedly connected to the inner wall of the second mounting hole 403. The surface of the rubber pad 404 usually has a textured or uneven design. These textures can increase the friction between the object and the ground or other objects. When the object is subjected to external force or gravity, the rubber pad 404 can provide sufficient friction to make it more difficult to slide or move. The support frame 407 is spirally connected to a spiral rod 409. One end of the spiral rod 409 is rotatably connected to a telescopic block 408, and the other end of the spiral rod 409 is fixedly connected to a handle 410 for easy rotation. Both ends of the telescopic block 408 are fixedly connected to a connecting rope 414. One end of the connecting rope 414 is fixedly connected to a pair of arc-shaped rotating rods 402 corresponding to the rotating groove 401. One end of each arc-shaped rotating rod 402 is fixedly connected to a rotating clamping block 411 in the rotating groove 401.

[0039] In this embodiment, when it is necessary to use the carburetor of the portable generator set as a backup for the car's air conditioning, such as Figure 1 As shown, move the carburetor body 1 to the desired installation position so that a pair of first mounting holes 9 on the connector 2 engage with a pair of mounting rods 3 for installation and fixation. Figure 4 As shown, one end of the mounting rod 3 first passes through the first mounting hole 9 and then through the second mounting hole 403 that coincides with the first mounting hole 9, as shown. Figure 5As shown, rotating the handle 410 causes the screw rod 409 to rotate. Since the screw rod 409 and the support frame 407 are connected by a screw, the bottom end of the screw rod 409 causes the telescopic block 408 to move upward, and the two ends of the telescopic block 408 sequentially cause one end of a pair of connecting ropes 414 and an arc-shaped rotating rod 402 to move upward. Figure 7 As shown, the other end of the arc-shaped rotating rod 402 sequentially drives the rotating clamping block 411 and the rotating block 406 to rotate around the rotating rod 413 on the rotating seat 405. The groove on the rotating clamping block 411 will rotate and abut against the outer wall of the mounting rod 3, and the friction will be increased by the anti-slip protrusion 412 and the rubber pad 404, so that the rotating clamping block 411 and the second mounting hole 403 clamp the mounting rod 3, preventing the mounting rod 3 from being pulled out of the second mounting hole 403, and thus the carburetor body 1 can be quickly installed on a pair of mounting rods 3, which is simple and easy to operate.

[0040] Example 2

[0041] like Figure 1 , Figure 2 , Figure 8 , Figure 9 and Figure 10 As shown, based on Embodiment 1, the leak-proof mechanism includes a leak-proof metal plug 605 connected inside the leak-proof pipe 6. A strong magnetic annular sleeve 601 is fixedly connected to one end of the leak-proof pipe 6. A plurality of inclined support rods 602 arranged in a circumferential array are fixedly connected to one end of the strong magnetic annular sleeve 601. A slot 606 is provided on the leak-proof metal plug 605. A rubber sealing ring 607 is movably sleeved inside the slot 606. A spring connecting plate 608 is connected to one end of the leak-proof metal plug 605. A plurality of spring telescopic grooves 610 arranged in a circumferential array are provided at one end of the leak-proof metal plug 605. A spring 611 is provided inside each of the spring telescopic grooves 610. One end of each spring 611 is fixedly connected to the spring connecting plate 608. A rubber leak-proof conical block 609 for blocking one end of the leak-proof metal plug 605 to prevent oil leakage is fixedly connected to the outer wall of one end of the spring connecting plate 608.

[0042] The inner wall of the leak-proof pipe 6 is fixedly connected to multiple connecting blocks 604 that are connected to the outer wall of the leak-proof metal plug 605. The function of the connecting blocks 604 is to support the leak-proof metal plug 605 inside the leak-proof pipe 6. However, they will break and separate from the leak-proof metal plug 605 under great external force. The material of the connecting blocks 604 is fluororubber, which is an excellent oil-resistant material with excellent chemical resistance and high temperature resistance. After the leak-proof metal plug 605 is subjected to external force, it will detach from the connecting blocks 604. One end of the inclined support rod 602 is fixedly connected to a semi-circular abutment 603. One end of the rubber leak-proof cone block 609 has a circular groove 612 for the semi-circular abutment 603 to be inserted. The rubber leak-proof cone block 609 is made of rubber, which has good elasticity and flexibility, and can form a sealing contact with the surface of the pipe or container to prevent liquid leakage. The rubber plug can effectively fill the gaps in the pipe or container, providing reliable sealing performance.

[0043] In this embodiment, when it is necessary to disassemble the oil pipe connected to the drain nozzle 5 and prevent oil leakage, one end of the connecting oil pipe is forcefully inserted into one end of the leak-proof pipe 6, such as... Figure 8 As shown, since the oil pipe is deformable, one end of the oil pipe will be fitted into one end of the leak-proof metal plug 605, thus completely blocking one end of the oil pipe and preventing oil leakage when disassembling the oil pipe and the drain nozzle 5. Furthermore, when it is necessary to connect one end of the oil pipe to the drain nozzle 5, simply apply force to make the leak-proof tube 6 at one end of the drain nozzle 5 fit into one end of the oil pipe, as shown. Figure 10 As shown, the strong magnetic ring block 601 sequentially drives the inclined support rod 602 and the semi-circular abutment block 603 to move. The semi-circular abutment block 603 then abuts against the circular groove 612 at one end of the rubber leak-stopping cone block 609 until one end of the spiral insert block 10 attracts the other end of the leak-proof metal plug 605. This causes the other end of the circular groove 612 to drive the spring connecting plate 608 to disengage from one end of the leak-proof metal plug 605, allowing the oil to re-enter the drain nozzle 5 through the leak-proof metal plug 605 for use. When one end of the oil pipe and the leak-proof pipe 6 are separated, the semi-circular abutment block 603 can no longer abut against the rubber leak-stopping cone block 609. At this time, the spring connecting plate 608 is subjected to the elastic tension of the spring 611, causing the spring 611 to sequentially drive the spring connecting plate 608 and the rubber leak-stopping cone block 609 to move. The rubber leak-stopping cone block 609 then blocks one end of the leak-proof metal plug 605, preventing oil leakage, which is convenient and quick.

[0044] The preferred embodiments of the present invention described above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to any specific implementation. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A carburetor for a portable generator set for an automobile air conditioner, comprising a carburetor body (1) and a fuel injection port (8) provided on the carburetor body (1), characterized in that, Also includes: A connector (2) is installed at one end of the fuel injection port (8). A pair of first mounting holes (9) are provided on the connector (2). A mounting rod (3) is movably connected inside the first mounting holes (9). An arc-shaped sleeve (4) is fixedly connected to the outer wall of the fuel injection port (8). A clamping mechanism for quick disassembly and assembly of the carburetor body (1) is provided on the arc-shaped sleeve (4). A drain nozzle (5) is installed at the bottom of the carburetor body (1) for discharging waste oil. One end of the drain nozzle (5) is connected to a leak-proof pipe (6). The leak-proof pipe (6) is equipped with a leak-proof mechanism to prevent waste oil from flowing to the ground. The clamping mechanism includes a support frame (407) connected to the arc-shaped sleeve (4). Rotating grooves (401) are provided at both ends of the arc-shaped sleeve (4). Second mounting holes (403) are provided at both ends of the arc-shaped sleeve (4) that overlap with the mounting rod (3) and communicate with the rotating grooves (401). A rotating seat (405) is fixedly connected to the inner wall of the rotating groove (401). A rotating rod (413) is provided at one end of the rotating seat (405). A rotating block (406) is rotatably connected to one end of the rotating seat (405) via the rotating rod (413). One end of the rotating block (406) is fixedly connected to a rotating clamping block (411), the support frame (407) is spirally connected to a spiral rod (409), one end of the spiral rod (409) is rotatably connected to a telescopic block (408), both ends of the telescopic block (408) are fixedly connected to a connecting rope (414), one end of the connecting rope (414) is fixedly connected to a pair of arc-shaped rotating rods (402) corresponding to the rotating groove (401), and one end of each arc-shaped rotating rod (402) is fixedly connected to the rotating clamping block (411) in the rotating groove (401); The leak-proof mechanism includes a leak-proof metal plug (605) connected inside the leak-proof pipe (6). A strong magnetic annular sleeve (601) is fixedly connected to one end of the leak-proof pipe (6). A plurality of inclined support rods (602) arranged in a circumferential array are fixedly connected to one end of the strong magnetic annular sleeve (601). A slot (606) is provided on the leak-proof metal plug (605). A rubber sealing ring (607) is movably fitted inside the slot (606). One end is connected to a spring connecting plate (608). One end of the leak-proof metal plug (605) is provided with a plurality of spring telescopic grooves (610) arranged in a circular array. Each spring telescopic groove (610) is provided with a spring (611). One end of each spring (611) is fixedly connected to the spring connecting plate (608). One end of the spring connecting plate (608) is fixedly connected to a rubber leak-proof cone block (609) for blocking one end of the leak-proof metal plug (605) to prevent oil leakage.

2. The carburetor for a portable generator set as a backup for automotive air conditioning according to claim 1, characterized in that, One end of the inclined support rod (602) is fixedly connected to a semi-circular abutment (603), and one end of the rubber plugging cone block (609) is provided with a circular groove (612) into which the semi-circular abutment (603) can be inserted.

3. The carburetor for a portable generator set as a backup for automotive air conditioning according to claim 1, characterized in that, The inner wall of the leak-proof pipe (6) is fixedly connected with a plurality of connecting blocks (604) that are connected to the outer wall of the leak-proof metal plug (605). When the leak-proof metal plug (605) is subjected to external force, it is separated from the connecting blocks (604).

4. The carburetor for a portable generator set as a backup for automotive air conditioning according to claim 1, characterized in that, The rotating clamping block (411) has a groove corresponding to the second mounting hole (403). The inner wall of the groove is fixedly connected with a plurality of anti-slip protrusions (412) for enhancing the connection with the mounting rod (3). The inner wall of the second mounting hole (403) is fixedly connected with a rubber pad (404).

5. The carburetor for a portable backup generator set for automotive air conditioning as described in claim 1, characterized in that, The inner wall of the second mounting hole (403) is fixedly connected with an anti-slip protrusion (412) for enhancing the connection with the mounting rod (3).

6. The carburetor for a portable generator set as a backup for automotive air conditioning according to claim 1, characterized in that, The other end of the screw rod (409) is fixedly connected to a handle (410) for easy rotation.

7. The carburetor for a portable backup generator set for automotive air conditioning as described in claim 1, characterized in that, The carburetor body (1) is provided with an air intake port (7) for introducing air.

8. The carburetor for a portable generator set as a backup for automotive air conditioning according to claim 1, characterized in that, One end of the oil drain nozzle (5) is fixedly connected to a spiral plug (10) that is spirally connected to a strong magnetic ring sleeve (601). The spiral plug (10) is used to hold the spiral plug (10) at the other end of the leak-proof metal plug (605).

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