Flame-retardant PVC (polyvinyl chloride) plastic plug wire tube convenient for quick butt joint

Abstract

The utility model is applicable to the technical field of PVC (polyvinyl chloride) plastic plug wire pipes, and provides a flame-retardant PVC plastic plug wire pipe convenient for quick butt joint, which comprises a PVC plastic plug wire pipe body, the inner flame-retardant layer is arranged on the inner wall of the PVC plastic plug wire pipe body; the outer flame-retardant layer is arranged on the inner wall of the PVC plastic plug wire pipe body; the positioning sleeve and the trapezoidal sleeve are arranged on the PVC plastic wire inserting pipe body in a sleeving manner; the plurality of locking mechanisms are arranged on the positioning sleeve and are used for connecting and locking the positioning sleeve and the trapezoidal sleeve. According to the flame-retardant PVC plastic plug wire tube convenient for rapid butt joint provided by the scheme, rapid butt joint installation and disassembly separation are facilitated, the butt joint structure on the flame-retardant PVC plastic plug wire tube can be suitable for PVC plastic plug wire tubes with different lengths, and meanwhile, the PVC plastic plug wire tube has relatively high flame-retardant performance.

Description

Technical Field

[0001] The utility model belongs to the technical field of PVC plastic wire insertion tubes, and in particular relates to a flame-retardant PVC plastic wire insertion tube which is convenient for quick connection. Background Art

[0002] PVC is mainly composed of polyvinyl chloride, and other ingredients are added to enhance its heat resistance, toughness and ductility. PVC plastic plug-in tube is a plug-in tube made of PVC.

[0003] However, the existing PVC plastic wire insertion tube is not convenient for rapid docking installation and disassembly and separation, so when in use, the staff needs to cut and use the longer PVC plastic wire insertion tube, while the shorter PVC plastic wire insertion tube cannot be used, which is inconvenient. Utility Model Content

[0004] The utility model provides a flame-retardant PVC plastic wire insertion tube which is convenient for quick docking, aiming to solve the problem that the existing PVC plastic wire insertion tube proposed in the above background technology is not convenient for quick docking installation and disassembly and separation.

[0005] To solve the above problems, the utility model is implemented as follows: a flame-retardant PVC plastic wire insertion tube that is easy to quickly connect, comprising: a PVC plastic wire insertion tube body; an inner flame-retardant layer arranged on the inner wall of the PVC plastic wire insertion tube body; an outer flame-retardant layer arranged on the inner wall of the PVC plastic wire insertion tube body; a positioning sleeve and a trapezoidal sleeve sleeved on the PVC plastic wire insertion tube body; a plurality of locking mechanisms arranged on the positioning sleeve, and the plurality of locking mechanisms are used to connect and lock the positioning sleeve and the trapezoidal sleeve; a plurality of installation positioning mechanisms are respectively arranged on the positioning sleeve and the trapezoidal sleeve, and the plurality of installation positioning mechanisms are used to sleeve and install the positioning sleeve and the trapezoidal sleeve on the PVC plastic wire insertion tube body.

[0006] Preferably, a plurality of first mounting grooves are formed on the inner wall of the positioning sleeve, a plurality of second mounting grooves are formed on the inner wall of the trapezoidal sleeve, and a plurality of positioning pin grooves are formed on the trapezoidal sleeve.

[0007] Preferably, the locking mechanism includes: a plurality of sliding rods slidably mounted on the first mounting groove; a pin block fixedly mounted on the bottom ends of the plurality of sliding rods and adapted to the positioning pin groove; and a plurality of springs slidably mounted on the plurality of sliding rods respectively.

[0008] Preferably, a same strip plate is fixedly mounted on the top ends of the plurality of sliding rods, and a pull strap is fixedly mounted on the strip plate.

[0009] Preferably, the installation and positioning mechanism comprises: a screw sleeve fixedly mounted on the inner wall of the second installation groove; a screw rod threadedly mounted on the screw sleeve; and a pressure plate rotatably mounted on one end of the screw rod.

[0010] Preferably, a corrugated anti-skid pad is provided on the pressure plate, a knob is fixedly mounted on one end of the screw rod, and a cross slot is provided on the knob.

[0011] Preferably, a plurality of limit grooves are provided on the inner wall of the second installation groove, and limit rods are fixedly installed on the inner walls of the plurality of limit grooves. A plurality of limit blocks are fixedly installed on the pressure plate, and the plurality of limit blocks are slidably connected to the plurality of limit rods respectively.

[0012] Compared with the related art, the flame-retardant PVC plastic plug-in tube provided by the utility model and convenient for quick connection has the following beneficial effects:

[0013] Compared with the prior art, the flame-retardant PVC plastic plug-in tube provided in the present solution is easy to connect quickly. The structural design includes a PVC plastic plug-in tube body. The inner flame-retardant layer and the outer flame-retardant layer arranged on the inner wall enhance the flame-retardant performance of the tube body, thereby improving the safety of the wires and cables. In addition, the design also introduces a positioning sleeve and a trapezoidal sleeve, which are connected and locked by multiple locking mechanisms, so that the plug-in tube can be conveniently and quickly connected during installation and maintenance. At the same time, multiple installation and positioning mechanisms are respectively arranged on the positioning sleeve and the trapezoidal sleeve to ensure that they can be stably sleeved on the PVC plastic plug-in tube body. The arrangement of the inner and outer flame-retardant layers significantly improves the flame-retardant performance of the plug-in tube and effectively reduces the risk of fire. Secondly, the introduction of the positioning sleeve and the trapezoidal sleeve and their locking mechanisms makes the connection process of the plug-in tube simpler and faster, thereby improving work efficiency. Finally, the arrangement of the installation and positioning mechanism ensures a firm connection between the sleeve and the plug-in tube body, thereby enhancing the stability and reliability of the entire system.

[0014] To sum up, the flame-retardant PVC plastic wire tube that is easy to quickly connect described in the present invention effectively improves the safety, installation efficiency, and stability and reliability of wires and cables through its unique design and structure, and provides a safer, more convenient and reliable solution for the laying and use of wires and cables. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main three-dimensional structure of a flame-retardant PVC plastic plug-in tube that is easy to quickly connect and provided by the utility model;

[0016] Figure 2 for Figure 1 A schematic diagram of a front cross-sectional structure;

[0017] Figure 3 for Figure 2 An enlarged structural diagram of part A shown in FIG.

[0018] Figure 4 for Figure 2 Schematic diagram of the enlarged structure of part B shown in FIG.

[0019] Figure numerals: 1. PVC plastic wire tube body; 2. Inner flame retardant layer; 3. Outer flame retardant layer; 4. Positioning sleeve; 5. Trapezoidal sleeve; 6. First mounting groove; 7. Second mounting groove; 8. Positioning pin groove; 9. Sliding rod; 10. Pin block; 11. Spring; 12. Strip plate; 13. Pull belt; 14. Screw sleeve; 15. Screw rod; 16. Pressing plate; 17. Corrugated anti-slip pad; 18. Knob; 19. Limiting groove; 20. Limiting rod; 21. Limiting block. DETAILED DESCRIPTION

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit the present application; the terms "including" and "having" in the specification and claims of the present application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of the present application or the above-mentioned figures are used to distinguish different objects, rather than to describe a specific order; the terms "inside", "outside", "left", and "right" indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0021] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0022] The utility model provides a flame-retardant PVC plastic plug-in tube that is easy to quickly connect. Figure 1-4As shown, the flame-retardant PVC plastic wire insertion tube that is easy to quickly connect includes: a PVC plastic wire insertion tube body 1; an inner flame-retardant layer 2 arranged on the inner wall of the PVC plastic wire insertion tube body 1; an outer flame-retardant layer 3 arranged on the inner wall of the PVC plastic wire insertion tube body 1; a positioning sleeve 4 and a trapezoidal sleeve 5 sleeved on the PVC plastic wire insertion tube body 1; a plurality of locking mechanisms arranged on the positioning sleeve 4, and the plurality of locking mechanisms are used to connect and lock the positioning sleeve 4 and the trapezoidal sleeve 5; a plurality of installation positioning mechanisms are respectively arranged on the positioning sleeve 4 and the trapezoidal sleeve 5, and the plurality of installation positioning mechanisms are used to sleeve and install the positioning sleeve 4 and the trapezoidal sleeve 5 on the PVC plastic wire insertion tube body 1.

[0023] In this embodiment, the structural design includes a PVC plastic wire insertion tube body 1, an inner flame retardant layer 2 and an outer flame retardant layer 3 arranged on the inner wall enhance the flame retardant performance of the tube body, thereby improving the safety of wires and cables. In addition, the design also introduces a positioning sleeve 4 and a trapezoidal sleeve 5, which are connected and locked by multiple locking mechanisms, so that the wire insertion tube can be conveniently and quickly docked during installation and maintenance. At the same time, multiple installation and positioning mechanisms are respectively arranged on the positioning sleeve 4 and the trapezoidal sleeve 5 to ensure that they can be stably sleeved on the PVC plastic wire insertion tube body 1. The arrangement of the inner and outer flame retardant layers significantly improves the flame retardant performance of the wire insertion tube and effectively reduces the risk of fire; secondly, the introduction of the positioning sleeve and the trapezoidal sleeve and their locking mechanisms makes the docking process of the wire insertion tube simpler and faster, thereby improving work efficiency; finally, the arrangement of the installation and positioning mechanism ensures a firm connection between the sleeve and the wire insertion tube body, thereby enhancing the stability and reliability of the entire system;

[0024] To sum up, the flame-retardant PVC plastic wire tube that is easy to quickly connect described in the present invention effectively improves the safety, installation efficiency, and stability and reliability of wires and cables through its unique design and structure, and provides a safer, more convenient and reliable solution for the laying and use of wires and cables.

[0025] In a further preferred embodiment of the utility model, a plurality of first mounting grooves 6 are formed on the inner wall of the positioning sleeve 4, a plurality of second mounting grooves 7 are formed on the inner wall of the trapezoidal sleeve 5, and a plurality of positioning pin grooves 8 are formed on the trapezoidal sleeve 5.

[0026] In this embodiment, the locking mechanism can be installed through the multiple first installation grooves 6, and the multiple installation and positioning mechanisms can be installed through the multiple second installation grooves 7.

[0027] In a further preferred embodiment of the utility model, the locking mechanism includes: a plurality of sliding rods 9 slidably mounted on the first mounting groove 6; a pin block 10 fixedly mounted on the bottom ends of the plurality of sliding rods 9 and adapted to the positioning pin groove 8; and a plurality of springs 11 respectively slidably sleeved on the plurality of sliding rods 9.

[0028] In this embodiment, the pin block 10 can be inserted into the positioning pin groove 8 through the rebound of multiple springs 11, so that the positioning sleeve 4 is connected and locked with the trapezoidal sleeve 5, thereby quickly connecting the two sections of the PVC plastic wire insertion tube body 1.

[0029] In a further preferred embodiment of the utility model, a same strip plate 12 is fixedly mounted on the top ends of the plurality of sliding rods 9 , and a pull belt 13 is fixedly mounted on the strip plate 12 .

[0030] In this embodiment, the plurality of sliding rods 9 can be driven to move upwards by the pull belt 13 and the strip plate 12 .

[0031] In a further preferred embodiment of the present invention, the installation and positioning mechanism includes: a screw sleeve 14 fixedly mounted on the inner wall of the second installation groove 7; a screw rod 15 threadedly mounted on the screw sleeve 14; and a pressure plate 16 rotatably mounted on one end of the screw rod 15.

[0032] In this embodiment, the screw 15 can drive the pressure plate 16 to move toward the PVC plastic wire insertion tube body 1 by threaded rotation on the screw sleeve 14, and the pressure plate 16 drives the corrugated anti-skid pad 17 to move toward the PVC plastic wire insertion tube body 1, so that the corrugated anti-skid pad 17 contacts the PVC plastic wire insertion tube body 1, and then the positioning sleeve 5 and the trapezoidal sleeve 5 are fixedly sleeved on the PVC plastic wire insertion tube body 1.

[0033] In a further preferred embodiment of the present invention, a corrugated anti-skid pad 17 is provided on the pressing plate 16 , and a knob 18 is fixedly mounted on one end of the screw rod 15 , and a cross slot is provided on the knob 18 .

[0034] In this embodiment, the screw rod 15 can be driven to rotate by the knob 18 , and the corrugated anti-skid pad 17 can enhance the firmness of the connection between the pressing plate 16 and the PVC plastic wire insertion tube body 1 .

[0035] In a further preferred embodiment of the utility model, a plurality of limit grooves 19 are opened on the inner wall of the second mounting groove 7, and a plurality of limit rods 20 are fixedly installed on the inner walls of the limit grooves 19, and a plurality of limit blocks 21 are fixedly installed on the pressure plate 16, and the plurality of limit blocks 21 are slidably connected to the plurality of limit rods 20 respectively.

[0036] In this embodiment, the pressure plate 16 can be guided and limited by sliding a plurality of limiting blocks 21 on a plurality of limiting rods 20 .

[0037] In summary, compared with the relevant technology, the present PVC plastic wire insertion tube is not only convenient for quick docking installation and disassembly and separation, but also its docking structure can be applied to PVC plastic wire insertion tubes of different lengths, and the PVC plastic wire insertion tube has strong flame retardant properties.

[0038] In the several embodiments provided in this application, it should be understood that the disclosed device can be implemented in other ways.

[0039] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A flame-retardant PVC plastic plug-in tube that is easy to quickly connect, characterized in that: include: PVC plastic plug-in tube body; An inner flame retardant layer is arranged on the inner wall of the PVC plastic plug-in tube body; An outer flame retardant layer is arranged on the inner wall of the PVC plastic plug-in tube body; A positioning sleeve and a trapezoidal sleeve sleeved on the PVC plastic wire insertion tube body; A plurality of locking mechanisms are arranged on the positioning sleeve, and the plurality of locking mechanisms are used to connect and lock the positioning sleeve and the trapezoidal sleeve; A plurality of installation and positioning mechanisms are respectively arranged on the positioning sleeve and the trapezoidal sleeve, and the plurality of installation and positioning mechanisms are used to sleeve and install the positioning sleeve and the trapezoidal sleeve on the PVC plastic wire insertion tube body.

2. The flame-retardant PVC plastic wire insertion tube that is easy to quickly connect as claimed in claim 1, characterized in that: A plurality of first mounting grooves are formed on the inner wall of the positioning sleeve, a plurality of second mounting grooves are formed on the inner wall of the trapezoidal sleeve, and a plurality of positioning pin grooves are formed on the trapezoidal sleeve.

3. The flame-retardant PVC plastic wire insertion tube that is easy to quickly connect as claimed in claim 2, characterized in that: The locking mechanism comprises: A plurality of sliding rods slidably mounted on the first mounting groove; A pin block fixedly mounted on the bottom ends of the plurality of sliding rods and adapted to the positioning pin groove; A plurality of springs are respectively slidably sleeved on the plurality of sliding rods.

4. The flame-retardant PVC plastic wire insertion tube that is easy to quickly connect as claimed in claim 3, characterized in that: The top ends of the plurality of sliding rods are fixedly mounted with a same strip plate, and the strip plate is fixedly mounted with a drawstring.

5. The flame-retardant PVC plastic wire insertion tube that is easy to quickly connect as claimed in claim 2, characterized in that: The installation and positioning mechanism comprises: A screw sleeve fixedly mounted on the inner wall of the second mounting groove; A screw threadedly mounted on the screw sleeve; A pressure plate mounted on one end of the screw is rotated.

6. The flame-retardant PVC plastic wire insertion tube that is easy to quickly connect as claimed in claim 5, characterized in that: The pressing plate is provided with a corrugated anti-skid pad, one end of the screw rod is fixedly mounted with a knob, and the knob is provided with a cross slot.

7. The flame-retardant PVC plastic wire insertion tube that is easy to quickly connect as claimed in claim 5, characterized in that: A plurality of limit grooves are provided on the inner wall of the second installation groove, and limit rods are fixedly installed on the inner walls of the plurality of limit grooves. A plurality of limit blocks are fixedly installed on the pressure plate, and the plurality of limit blocks are slidably connected to the plurality of limit rods respectively.

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