Polyvinyl chloride cable sheath tube

Abstract

The utility model discloses a polyvinyl chloride cable sheath tube which comprises a sheath tube body. The cable is characterized in that a flame-retardant smoke suppression layer is arranged outside the sheath tube body; a connecting pipe sleeve facilitating connection between the sheath pipe bodies is installed on the sheath pipe bodies. The connecting pipe sleeve is provided with a plurality of cable dividing through holes used for distinguishing cables and a locking sleeve used for fixing the sheath pipe bodies. And a first external thread matched with the locking sleeve is arranged on the sheath tube body. According to the utility model, the flame-retardant smoke suppression layer is arranged on the outer wall of the sheath tube body, so that the flame-retardant and smoke suppression effects are achieved, and the use safety is improved; the sheath pipe bodies are connected in a preset mode through the connecting pipe sleeve, and the connecting pipe sleeve and the sheath pipe bodies are locked through the locking sleeve, so that connection between the sheath pipe bodies is facilitated, the installation efficiency is improved, meanwhile, cables can be distinguished, and the situation that later maintenance is affected due to mutual winding of the cables is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of cable sheath tubes, in particular to a polyvinyl chloride cable sheath tube. Background Art

[0002] The cable sheath tube plays a role in protecting the cables. In the existing technology, there is no structure to distinguish the cables in the cable sheath tube, so the cables will be entangled with each other, which is inconvenient to maintain in the later stage and increases the workload of the staff. In addition, the connection between the cable sheath tubes is usually made by on-site welding or flange connection, which increases the time of connecting the cable sheath tubes and reduces the efficiency of connecting the cable sheath tubes. Therefore, a polyvinyl chloride cable sheath tube is proposed, which can facilitate the connection between the cable sheath tubes and distinguish the cables at the same time. Summary of the invention

[0003] The utility model aims to solve the above problems and provides a polyvinyl chloride cable sheath tube.

[0004] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a polyvinyl chloride cable sheath tube, comprising a sheath tube body; characterized in that a flame retardant and smoke suppression layer is arranged outside the sheath tube body; a connecting tube sleeve is installed on the sheath tube body to facilitate the connection between the sheath tube bodies; the connecting tube sleeve is provided with a plurality of cable distribution holes for distinguishing cables and a locking sleeve for fixing the sheath tube bodies; the sheath tube body is provided with a first external thread adapted to the locking sleeve.

[0005] Preferably, a connecting sleeve on the sheath body is provided with a connecting boss; and the cable distribution through hole is arranged on the connecting boss.

[0006] Preferably, the sheath tube body is provided with a connecting groove matched with the connecting boss.

[0007] Preferably, a plurality of sealing rings are installed on the connecting boss to seal with the sheath tube body.

[0008] Preferably, a limit platform for limiting the installation position of the sheath tube body is further provided in the connecting pipe sleeve.

[0009] Preferably, the connecting sleeve is also provided with a second external thread for mounting a locking sleeve and connected to the first external thread on the sleeve body.

[0010] The beneficial effects of the utility model are as follows: by arranging a flame retardant and smoke suppression layer on the outer wall of the sheath tube body, the flame retardant and smoke suppression effects are achieved, thereby improving the safety of use;

[0011] By using a connecting pipe sleeve to make a predetermined connection between the protective pipe bodies, and using a locking sleeve to lock between the connecting pipe sleeve and the protective pipe bodies, it is convenient to connect the protective pipe bodies, improve the installation efficiency, and at the same time, the cables can be distinguished to prevent the cables from being wound around each other and affecting the later maintenance. Brief Description of the Drawings

[0012] Figure 1 is a schematic structural view of the present utility model.

[0013] Figure 2 is a cross-sectional view of the protective pipe body of the present utility model.

[0014] Figure 3 is a schematic structural view of the connecting pipe sleeve of the present utility model,

[0015] Figure 4 is a schematic structural view of the protective pipe body of the present utility model.

[0016] Legend: 1. Protective pipe body; 101. Flame retardant and smoke suppression layer; 102. Connecting groove; 2. Connecting pipe sleeve; 201. Cable splitting through hole; 202. Locking sleeve; 203. First external thread; 204. Connecting boss; 205. Sealing ring; 206. Limiting platform; 207. Second external thread. Detailed Embodiment

[0017] Next, we will further explain a PVC cable protective pipe according to the present utility model with reference to the drawings.

[0018] It should be noted that all directional indications such as up, down, left, right, front, back... in the embodiments of the present invention are only used to explain the relative positional relationship and movement conditions between components in a specific posture as shown in the drawings. If the specific posture changes, the directional indications will change accordingly.

[0019] In the present utility model, unless otherwise clearly defined and limited, terms such as "connection" and "fixation" should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0020] Refer to the attached Figures 1-4As shown, a polyvinyl chloride cable sheath tube in this embodiment includes a sheath tube body 1; the characteristic is that a flame retardant and smoke suppression layer 101 is arranged on the outside of the sheath tube body 1; a connecting sleeve 2 is installed on the sheath tube body 1 to facilitate the connection between the sheath tube bodies 1; the connecting sleeve 2 is provided with a plurality of cable distribution holes 201 for distinguishing the cables and a locking sleeve 202 is installed to fix the sheath tube bodies 1; the sheath tube body 1 is provided with a first external thread 203 adapted to the locking sleeve 202; by arranging the flame retardant and smoke suppression layer 101 on the outer wall of the sheath tube body 1, it has the effect of flame retardancy and smoke suppression, thereby improving the safety of use; by using the connecting sleeve 2 to make a predetermined connection between the sheath tube bodies 1, and using the locking sleeve 202 to lock the connecting sleeve 2 and the sheath tube body 1, it is convenient to connect the sheath tube bodies 1, improve the efficiency of installation, and also can distinguish the cables to prevent the cables from being entangled with each other and affecting the later maintenance.

[0021] See attached Figures 3-4 As shown, a connecting boss 204 is provided on the connecting sleeve 2 on the sheath tube body 1; the cable distribution through hole 201 is arranged on the connecting boss 204; a connecting groove 102 adapted to the connecting boss 204 is provided on the sheath tube body 1; by installing the connecting boss 204 into the connecting groove 102 on the sheath tube body 1, it is convenient to pre-fix the connection between the sheath tube bodies 1; by using the cable distribution through hole 201 to distinguish the cables, it is prevented that the cables are entangled with each other and affect the later maintenance.

[0022] See attached Figure 3 As shown, the connecting boss 204 is provided with a plurality of sealing rings 205 for sealing with the sheath tube body 1; the connecting sleeve 2 is also provided with a limit platform 206 for limiting the installation of the sheath tube body 1; the connecting sleeve 2 is also provided with a second external thread 207 for installing the locking sleeve 202 and connected with the first external thread 203 on the sheath tube body 1; the sealing between the connecting boss 204 and the sheath tube body 1 is increased by using the sealing ring 205, thereby improving the sealing of the connection between the sheath tube bodies 1; the length of the sheath tube body 1 installed in the connecting sleeve 2 is limited by using the limit platform 206.

[0023] During the installation process of the utility model, the connecting boss 204 on the connecting sleeve 2 is installed into the connecting groove 102 on the sheath body 1 until the end surface of the sheath body 1 contacts the stopper 206 on the connecting sleeve 2. The sheath body 1 to be connected is installed at the other end of the connecting sleeve 2 in the above manner. Then, a locking sleeve is installed between the sheath body 1 and the connecting sleeve 2, so that half of the locking sleeve 202 is installed on the first external thread 203 and the other half is installed on the second external thread 207, thereby fixing the connecting sleeve 2 and the sheath body 1.

[0024] The above embodiments are illustrative of the present utility model and not restrictive thereof. Any solution obtained by simply transforming the present utility model falls within the protection scope of the present utility model.

Claims

1. A PVC cable protection sleeve, comprising a protection sleeve body (1); characterized in that The outer surface of the sheath tube body (1) is provided with a flame retardant and smoke suppression layer (101); the sheath tube body (1) is provided with a connecting tube sleeve (2) for facilitating the connection between the sheath tube bodies (1); the connecting tube sleeve (2) is provided with a plurality of cable distribution holes (201) for distinguishing cables and is provided with a locking sleeve (202) for fixing the sheath tube bodies (1); the sheath tube body (1) is provided with a first external thread (203) adapted to the locking sleeve (202).

2. The polyvinyl chloride cable sheath tube according to claim 1, wherein: A connecting boss (204) is provided on the connecting sleeve (2) on the sheath tube body (1); and the cable distribution through hole (201) is arranged on the connecting boss (204).

3. A PVC cable sheath tube according to claim 2, characterized in that: The sheath tube body (1) is provided with a connection groove (102) adapted to the connection boss (204).

4. The polyvinyl chloride cable sheath tube according to claim 3, wherein: A plurality of sealing rings (205) for sealing with the sheath tube body (1) are installed on the connecting boss (204).

5. A PVC cable sheath tube according to claim 2, characterized in that: A limiting platform (206) for limiting the installation position of the sheath tube body (1) is also provided in the connecting tube sleeve (2).

6. The polyvinyl chloride cable sheath tube according to claim 1, characterized in that: The connecting pipe sleeve (2) is also provided with a second external thread (207) for mounting the locking sleeve (202) and connected to the first external thread (203) on the sheath pipe body (1).

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