Conductive tube joint capable of preventing connection from loosening

By using a uniquely shaped sleeve and a multi-layered internal and external structure, combined with fasteners and button locking, the problem of loose connections in the vacuum cleaner's conductive tube connectors has been solved, resulting in a more stable and convenient connection process.

CN224217819UActive Publication Date: 2026-05-08SUZHOU TUERBE ELECTRIC APPLIANCE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SUZHOU TUERBE ELECTRIC APPLIANCE CO LTD
Filing Date
2025-04-28
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

The existing conductive tube connector for vacuum cleaners has insufficient structural strength, making it difficult to ensure a tight connection with the conductive tube and the vacuum cleaner's air inlet tube. Furthermore, it suffers from high resistance during insertion, making assembly inconvenient and prone to loosening.

Method used

The two tubes, a special-shaped sleeve and a conductive tube, are connected together. The internal and external multi-layer structure is inserted and fixed with fasteners. The vacuum cleaner's air inlet tube is inserted into the cavity and locked and unlocked by buttons and plugs. The surface of the structure is provided with raised ribs to improve stability and tightness.

Benefits of technology

It effectively prevents loosening of connections, reduces insertion resistance, and improves the ease of assembly and disassembly, as well as the tightness and strength of structural connections.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a conductive tube joint capable of preventing connection loosening, which comprises a joint body, a special-shaped sleeve is arranged at one end of the joint body, a conductive tube is inserted into the special-shaped sleeve and is sleeved on an inner tube through a first tube body, and a dust collector air inlet tube is inserted into a second cavity at the other end of the joint body; the button seat is arranged at the other end of the connector body, a button is rotationally arranged on the button seat, one end of the button extends inwards to form an insertion block, and an avoiding opening corresponding to the insertion block is formed in the connector body; the wiring pipe is integrally arranged on the side face of the connector body, a wiring seat is arranged in a third cavity in the wiring pipe, the second pipe body of the conductive pipe is arranged at one end of the wiring seat in a sleeving mode, and the fastener positions the wiring pipe, the second pipe body and the wiring seat. The utility model can solve the problems that the existing dust collector conductive tube joint structure has insufficient strength, is difficult to ensure tight butt joint with a conductive tube and a dust collector air inlet tube, has large resistance when the end part of the structure is inserted, is inconvenient to assemble, and is easy to loosen in connection.
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Description

Technical Field

[0001] This utility model relates to the field of vacuum cleaner technology, specifically to a conductive tube connector for preventing loose connections. Background Technology

[0002] Currently, the structure of conductive tube connectors is mostly a conventional round tube structure corresponding to the conductive tube of a vacuum cleaner. This structure itself is not strong enough, making it difficult to ensure a tight connection with the conductive tube and the air inlet pipe of the vacuum cleaner. In addition, the resistance is high when inserting the end of the structure, making assembly inconvenient and prone to loosening. Utility Model Content

[0003] The purpose of this utility model is to provide a conductive tube connector that prevents loosening of the connection, in order to solve the problems that the existing vacuum cleaner conductive tube connector structure is not strong enough, making it difficult to ensure a tight connection with the conductive tube and the vacuum cleaner air inlet tube, and that the structure has high resistance when plugged in at the end, making assembly inconvenient and prone to loosening.

[0004] To achieve the above objectives, this utility model adopts the following technical solution: a conductive pipe connector for preventing loose connections, comprising:

[0005] The connector body has a shaped sleeve at one end, and a conductive tube is inserted into the first cavity of the shaped sleeve and sleeved on the inner tube inside the first cavity through the first tube body. The other end of the connector body has a second cavity, and the vacuum cleaner air inlet pipe is inserted into the second cavity.

[0006] A button base is provided at the other end of the connector body, on which a button is rotatably provided. One end of the button extends inward into a plug. The connector body is provided with a relief opening corresponding to the plug. The plug passes through the relief opening and engages with a groove on the surface of the vacuum cleaner's air inlet pipe.

[0007] A wiring conduit is integrally formed on the side of the connector body. A wiring seat is arranged in the third cavity inside the conduit. The second tube of the conductive tube is sleeved on one end of the wiring seat. A first through hole is provided on the surface of the wiring conduit. Fasteners are inserted into the first through hole and the second through hole of the second tube and screwed into the screw hole of the wiring seat for positioning. The wiring structure on the side of the vacuum cleaner air inlet pipe is inserted into the third cavity.

[0008] As a further description of the above technical solution:

[0009] The cross-section of the irregularly shaped sleeve has a gourd-shaped structure corresponding to the outer surfaces of the first and second tubes.

[0010] As a further description of the above technical solution:

[0011] The inner wall of the first cavity is provided with several first ribs that are spaced apart circumferentially and extend axially, and the first ribs abut against the outer surface of the first tube.

[0012] As a further description of the above technical solution:

[0013] The inner wall of the second cavity is provided with several second ribs that are spaced apart circumferentially and extend axially. The second ribs abut against the outer surface of the vacuum cleaner air inlet pipe and the side of the ribs. A sealing ring is provided on the back of the inner tube and the sealing ring is tightly fitted to the end face of the vacuum cleaner air inlet pipe.

[0014] As a further description of the above technical solution:

[0015] A spring seat is provided on the inner end face of the button, and a spring is provided between the spring seat and the inner bottom surface of the button seat.

[0016] As a further description of the above technical solution:

[0017] The inner wall of the third cavity is provided with several third ribs arranged circumferentially and extending axially, and the third ribs abut against the outer surface of the wiring structure and the side of the ribs thereon.

[0018] In summary, by adopting the above technical solution, this utility model has the following advantages over the prior art:

[0019] Beneficial effects:

[0020] This utility model's conductive tube connector uses a shaped sleeve to connect the two tube bodies of the conductive tube, and the inner tube to connect the first tube body. This multi-layered, shaped structure, combined with fasteners, secures both the inner and outer tubes to their internal terminals. The vacuum cleaner's air inlet pipe connects to the second and third cavities, and is locked and unlocked via buttons and inserts to prevent loosening. Raised ribs on the surface further enhance structural stability during assembly and disassembly, as well as the tightness and strength of the assembled structure, further preventing loosening and reducing resistance during assembly and disassembly, thus improving ease of installation and removal. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the connection structure between a conductive pipe connector and a conductive pipe to prevent loosening.

[0023] Figure 2 This is a schematic diagram of a conductive pipe connector designed to prevent loosening of the connection.

[0024] Figure 3 This is a disassembled cross-sectional view of a conductive pipe connector and conductive pipe used to prevent loosening of the connection.

[0025] Legend:

[0026] 1. Connector body; 2. Shaped sleeve; 3. First cavity; 4. Inner tube; 5. Second cavity; 6. Button base; 7. Button; 8. Insert block; 9. Clearance opening; 10. Wiring tube; 11. Third cavity; 12. First through hole; 13. Fastener; 14. First rib; 15. Second rib; 16. Sealing ring; 17. Spring seat; 18. Third rib; 100. Conductive tube; 110. First tube body; 120. Terminal base; 130. Second tube body; 140. Second through hole. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0028] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model 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. Therefore, they should not be construed as limitations on this utility model.

[0029] Please see Figure 1-3 This utility model provides a technical solution: a conductive pipe connector for preventing loose connections, comprising:

[0030] The connector body 1 has a shaped sleeve 2 at one end, and a conductive tube 100 is inserted into the first cavity 3 of the shaped sleeve 2 and sleeved on the inner tube 4 in the first cavity 3 through the first tube body 110. The other end of the connector body 1 has a second cavity 5, and the vacuum cleaner air inlet pipe (i.e. the ventilation structure connected to the air inlet of the vacuum cleaner dust cup, not shown in the figure) is inserted into the second cavity 5.

[0031] A button base 6 is located at the other end of the connector body 1, and a button 7 is rotatably mounted on it. One end of the button 7 extends inward to form a plug 8. The connector body 1 is provided with a relief opening 9 corresponding to the plug 8. The plug 8 passes through the relief opening 9 and engages with a groove on the surface of the vacuum cleaner's air inlet pipe.

[0032] A wiring conduit 10 is integrally disposed on the side of the connector body 1. A wiring seat 120 is arranged in the third cavity 11 inside the conduit. The second tube body 130 of the conductive tube 100 is sleeved on one end of the wiring seat 120. A first through hole 12 is provided on the surface of the wiring conduit 10. A fastener 13 passes through the first through hole 12 and the second through hole 140 of the second tube body 130 and is screwed and positioned with the screw hole of the wiring seat 120. The wiring structure on the side of the vacuum cleaner air inlet pipe is inserted into the third cavity 11.

[0033] The cross-section of the irregularly shaped sleeve 2 is gourd-shaped, corresponding to the outer surfaces of the first tube 110 and the second tube 130. This ensures full connection with the first tube 110 and the second tube 130 of the conductive tube 100 while improving the strength of the structure itself.

[0034] The inner wall of the first cavity 3 is provided with several first ribs 14 arranged circumferentially and extending axially, and the first ribs 14 abut against the outer surface of the first tube 110. The inner wall of the second cavity 5 is provided with several second ribs 15 arranged circumferentially and extending axially, and the second ribs 15 abut against the outer surface of the vacuum cleaner inlet pipe and the side of the ribs thereon. A sealing ring 16 is provided on the back of the inner tube 4, and the sealing ring 16 is tightly fitted to the end face of the vacuum cleaner inlet pipe. The inner wall of the third cavity 11 is provided with several third ribs 18 arranged circumferentially and extending axially, and the third ribs 18 abut against the outer surface of the wiring structure and the side of the ribs thereon. This achieves a guiding effect during structural insertion and improves the stability of assembly and disassembly.

[0035] A spring seat 17 is provided on the inner end face of the button 7, and a spring is provided between the spring seat 17 and the inner bottom surface of the button seat 6.

[0036] The assembly process of a conductive tube connector to prevent loosening in this embodiment includes: first, positioning the terminal block 120 in the third cavity 11; inserting the two tubes of the conductive tube 100 into the first cavity 3 and making the first tube 110 fit onto the inner tube 4; aligning the second through hole 140 with the first through hole 12; then, using fasteners 13 to pass through the first through hole 12, the second through hole 140 of the second tube 130, and screwing them into the screw hole of the terminal block 120 for positioning, thus achieving the positioning of the conductive tube 100 and the connector; when the vacuum cleaner air inlet pipe is connected to the connector, pressing the button 7 causes the plug 8 to move out from the clearance port 9 and insert it into the second cavity 5; at the same time, the wiring structure is inserted into the third cavity 11; then, releasing the button 7 allows the spring to push the button back to its original position, so that the plug 8 is engaged and positioned with the slot of the vacuum cleaner air inlet pipe.

[0037] In summary, due to the adoption of the above technical solution, the conductive pipe connector for preventing loose connections in this embodiment has the following advantages compared to the prior art:

[0038] This utility model's conductive tube connector uses a shaped sleeve to connect the two tube bodies of the conductive tube, and the inner tube to connect the first tube body. This multi-layered, shaped structure, combined with fasteners, secures both the inner and outer tubes to their internal terminals. The vacuum cleaner's air inlet pipe connects to the second and third cavities, and is locked and unlocked via buttons and inserts to prevent loosening. Raised ribs on the surface further enhance structural stability during assembly and disassembly, as well as the tightness and strength of the assembled structure, further preventing loosening and reducing resistance during assembly and disassembly, thus improving ease of installation and removal.

[0039] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A conductive pipe connector for preventing loosening of the connection, characterized in that, include: The connector body has a shaped sleeve at one end, and a conductive tube is inserted into the first cavity of the shaped sleeve and sleeved on the inner tube inside the first cavity through the first tube body. The other end of the connector body has a second cavity, and the vacuum cleaner air inlet pipe is inserted into the second cavity. A button base is provided at the other end of the connector body, on which a button is rotatably provided. One end of the button extends inward into a plug. The connector body is provided with a relief opening corresponding to the plug. The plug passes through the relief opening and engages with a groove on the surface of the vacuum cleaner's air inlet pipe. A wiring conduit is integrally formed on the side of the connector body. A wiring seat is arranged in the third cavity inside the conduit. The second tube of the conductive tube is sleeved on one end of the wiring seat. A first through hole is provided on the surface of the wiring conduit. Fasteners are inserted into the first through hole and the second through hole of the second tube and screwed into the screw hole of the wiring seat for positioning. The wiring structure on the side of the vacuum cleaner air inlet pipe is inserted into the third cavity.

2. A conductive pipe joint for preventing loosening of connection according to claim 1, characterized in that, The cross-section of the irregularly shaped sleeve has a gourd-shaped structure corresponding to the outer surfaces of the first and second tubes.

3. A conductive pipe joint for preventing loosening of connection according to claim 1, characterized in that, The inner wall of the first cavity is provided with several first ribs that are spaced apart circumferentially and extend axially, and the first ribs abut against the outer surface of the first tube.

4. A conductive pipe joint for preventing loosening of connection according to claim 1, characterized in that, The inner wall of the second cavity is provided with several second ribs that are spaced apart circumferentially and extend axially. The second ribs abut against the outer surface of the vacuum cleaner air inlet pipe and the side of the ribs. A sealing ring is provided on the back of the inner tube and the sealing ring is tightly fitted to the end face of the vacuum cleaner air inlet pipe.

5. A conductive pipe joint for preventing loosening of connection according to claim 1, characterized in that, A spring seat is provided on the inner end face of the button, and a spring is provided between the spring seat and the inner bottom surface of the button seat.

6. A conductive pipe joint for preventing loosening of connection according to claim 1, characterized in that, The inner wall of the third cavity is provided with several third ribs arranged circumferentially and extending axially, and the third ribs abut against the outer surface of the wiring structure and the side of the ribs thereon.