PVC flame-retardant insulated cable groove
By designing cavity, reinforcement rib and oblique reinforcement rib in PVC flame retardant insulated cable trough, the strength and impact resistance of the groove body are improved, and the problems of the groove body are easily twisted and deformed and the groove cover is easily broken in the prior art, achieving higher service life and fire prevention effect.
Patent Information
- Application Number
- CN202421851211.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-01
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-08-01
AI Technical Summary
The existing flame-retardant insulated cable ducts are prone to twist and deform when impacted externally, affecting the normal use of the line. The groove cover is prone to rupture during maintenance and has a short service life.
A PVC flame retardant insulated cable trough is designed, with cavity and reinforcement ribs in the groove body, bevel reinforcement ribs at the corners, connecting parts are provided at the left and right ends of the bottom surface of the groove cover, and gaps and turners are provided at the left and right ends of the groove cover, which is convenient for connection and separation from the groove body.
It improves the strength of the groove body, protects the internal lines, facilitates maintenance and sorting of lines, extends service life, and effectively prevents the spread of electrical fires during fire.
Smart Images

Figure CN222897010U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cable troughs, in particular to a PVC flame-retardant insulating cable trough. Background Art
[0002] Cable trough, also known as wiring trough, wiring trough, and cable trough, is an electrical tool used to organize power cables, data cables and other wires in a standardized manner and fix them to the wall or ceiling.
[0003] Some existing flame retardant insulated cable troughs have low strength and are prone to twisting and deformation when subjected to external impact, which may damage the lines inside and affect the normal use of the lines. They have a short service life. In addition, some flame retardant insulated cable troughs are arranged in a long length. When it is necessary to inspect and maintain the lines in the middle and other parts, it is often necessary to separate the trough body from the trough cover, which may cause the trough cover to rupture, affecting the normal use of the flame retardant insulated cable trough, and has certain limitations. Utility Model Content
[0004] The utility model aims to provide a PVC flame-retardant insulated cable duct to solve the problems raised in the above-mentioned background technology.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a PVC flame-retardant insulated cable trough, comprising a trough body for placing a line, the top of the trough body being connected to a trough cover;
[0006] A cavity is provided in the trough body, and at least two groups of reinforcing ribs are provided in the cavity at equal intervals, and angled reinforcing ribs are provided at the corners of the cavity. A group of connecting grooves are provided at the left and right top ends of the trough body, and limit members are provided on the inner sides.
[0007] Preferably, a cavity II is provided in the middle end of the slot cover, and no less than two groups of reinforcing ribs II are provided at equal intervals in the cavity II, and a group of connecting parts I are provided at the left and right bottom ends of the slot cover, and side panels are provided at the ends of the two groups of connecting parts I that are away from each other, and no less than two groups of notches are provided at equal intervals at the left and right ends of the slot cover.
[0008] Preferably, the flap is in an inverted "L" shape, and its outer side is flush with the side panel.
[0009] Preferably, a group of flaps are provided in the notches, and a group of connecting members 2 are provided on the inner top surfaces of the flaps.
[0010] Preferably, the first connector and the second connector are of the same shape, the first connector is hollow inside, and the second connector is solid.
[0011] Preferably, the limiting member is in a triangular shape, with a through groove at one end.
[0012] Preferably, the angled reinforcement ribs are in an "H" shape, and reinforcement ribs are provided on the inner ends of both sides.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] By providing a cavity in the slot body, at least two groups of reinforcing ribs are arranged at equal intervals in the cavity, and angled reinforcing ribs are arranged at the corners in the cavity, so that the strength of the slot body can be effectively improved, and the internal lines can be protected. A group of connecting parts are arranged on the left and right ends of the bottom surface of the slot cover, which is convenient for connection with the slot body, and at least two groups of notches are arranged at equal intervals on the left and right ends of the slot cover, and a flip part and a connecting part are connected in the notch, so that the middle connection position of the slot body and the slot cover can be lifted and separated, which is convenient for repairing and arranging the lines. It is more flexible and has strong practicality. The slot body and the slot cover form a closed space to isolate the air and slow down the aging progress of the cable line. In case of fire, the PVC insulating material of the cable trough, in cooperation with the slot cover and the slot body, can effectively prevent the spread of electrical fire. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the front view structure of the utility model;
[0017] Figure 3 This is a schematic diagram of the structure of the oblique angle reinforcement rib of the utility model;
[0018] Figure 4 This is a schematic diagram of the structure of the limiter of the utility model;
[0019] Figure 5 This is a schematic diagram of the local structure of the slot cover of the utility model;
[0020] Figure 6 It is a schematic diagram of the internal structure of the notch of the utility model.
[0021] In the figure: trough body-1, trough cover-2, cavity one-11, reinforcing rib one-12, bevel reinforcing rib-13, connecting groove-14, limiting member-15, cavity two-21, reinforcing rib two-22, connecting member one-23, side plate-24, notch-25, flip member-251, connecting member two-252. DETAILED DESCRIPTION
[0022] In order to further explain the technical solution of the present utility model, it is described in detail through specific embodiments below.
[0023] See also Figure 1-5 The utility model provides a PVC flame-retardant insulated cable trough, comprising a U-shaped trough body 1 for placing a line, and a trough cover 2 is connected to the top of the trough body 1;
[0024] A U-shaped cavity 11 is provided in the trough body 1, and at least two groups of reinforcing ribs 12 are provided at equal intervals in the cavity 11, which can improve the strength of the trough body 1, and oblique reinforcing ribs 13 are provided at the corners of the cavity 11. The oblique reinforcing ribs 13 are in an "H" shape, and reinforcing ribs are provided at the inner ends of both sides, which can further improve the strength of the trough body 1 and improve the impact resistance of its corners. A group of connecting grooves 14 that can be connected to the trough cover 2 are provided at the left and right top ends of the trough body 1, and a limiting member 15 is provided on the inner side of the trough body 1, wherein the limiting member 15 is in a triangular shape, and a through groove is provided at its middle end. The lines in the trough body 1 can be simply and preliminarily classified through the triangular limiting member 15, or the lines can be classified and fixed through the through groove in the limiting member 15 in cooperation with the external strap to avoid entanglement between the lines, which is convenient for maintenance and identification.
[0025] See also Figure 1-5 The utility model provides a PVC flame-retardant insulated cable trough, wherein the trough cover 2 is in an inverted convex shape, and the middle end of the bottom thereof can extend to the top opening of the trough body 1, and a cavity 21 is provided in the middle end of the trough cover 2, and at least two groups of reinforcing ribs 22 are provided at equal intervals in the cavity 21, so as to ensure the strength of the trough cover 2, and a group of connecting pieces 23 are provided at the left and right bottom ends of the trough cover 2, and the bottom ends of the connecting pieces 23 can be inserted into the connecting groove 14 to connect the trough body 1 and the trough cover 2, wherein the ends of the two groups of connecting pieces 23 away from each other are provided with side plates 24, and the outer sides of the side plates 24 are flush with the left and right sides of the trough body 1, so as to cover and protect the connection position of the connecting piece 23 and the connecting groove 14, and improve the connection stability, and further, at least two groups of notches 25 are provided at equal intervals at the left and right ends of the trough cover 2.
[0026] See also Figure 1-6 The utility model provides a PVC flame-retardant insulated cable trough, wherein a group of flipping pieces 251 are provided in the notch 25, and a group of connecting pieces 252 are provided on the top surface of the flipping pieces 251, wherein the flipping pieces 251 are in an inverted "L" shape, and their outer sides are flush with the side panels 24, and can be flipped in the notch 25, and the connecting piece 1 23 and the connecting piece 2 252 have the same shape, and the interior of the connecting piece 1 23 is set to be hollow, and the connecting piece 2 252 is solid, which can improve the connection stability and service life with the connecting groove 14.
[0027] Here’s how it works:
[0028] When in use, the line can be placed in the slot body 1, and the line can be limited and fixed by the tie band and the limiter 15, and then the slot cover 2 can be covered on the top of the slot body 1, and the bottom ends of the connector 1 23 and the connector 2 252 can be inserted into the connecting slot 14, and the slot body 1 and the slot cover 2 can be connected together, and the installation of the line is completed at this time;
[0029] When the middle end line needs to be inspected, the notch 25 near the inspection position can be rotated, and then the flip piece 251 can be turned over to separate the second connecting piece 252 from the connecting slot 14, and then force can be applied to the slot cover 2 at both ends of the notch to open it and separate it from the slot body 1, which is convenient for the inspection and maintenance of the line at the middle end position. Since the slot cover 2 and the slot body 1 are connected to each other, a closed space can be formed to isolate the air, which can effectively delay the aging progress of the cable and extend its service life.
[0030] When a fire occurs, the coordination between the slot cover and the slot body, as well as the PVC material, can effectively prevent the spread of electrical fires and reduce damage.
[0031] The above description is only a preferred example of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A PVC flame-retardant insulated cable duct, characterized in that: It comprises a slot body (1) capable of accommodating a circuit, wherein a slot cover (2) is connected to the top of the slot body (1); The trough body (1) is provided with a cavity (11), and at least two groups of reinforcing ribs (12) are provided in the cavity (11) at equal intervals, and angled reinforcing ribs (13) are provided at the corners of the cavity (11). The trough body (1) is provided with a group of connecting grooves (14) at the left and right top ends, and a limiting member (15) is provided on the inner side.
2. The PVC flame-retardant insulated cable duct according to claim 1, characterized in that: A second cavity (21) is provided at the middle end of the slot cover (2), and at least two groups of two reinforcing ribs (22) are provided at equal intervals in the second cavity (21), and a group of one connecting member (23) is provided at both the left and right bottom ends of the slot cover (2), and side plates (24) are provided at the ends of the two groups of one connecting member (23) that are away from each other, and at least two groups of notches (25) are provided at equal intervals at both the left and right ends of the slot cover (2).
3. The PVC flame-retardant insulated cable duct according to claim 2, characterized in that: A group of flipping parts (251) are provided in each of the notches (25), and a group of second connecting parts (252) are provided on the top surface of each of the flipping parts (251).
4. The PVC flame-retardant insulated cable duct according to claim 3, characterized in that: The flap (251) is in an inverted "L" shape, and its outer side is flush with the side plate (24).
5. The PVC flame-retardant insulated cable duct according to claim 3, characterized in that: The first connecting member (23) and the second connecting member (252) have the same shape. The interior of the first connecting member (23) is hollow, while the second connecting member (252) is solid.
6. The PVC flame-retardant insulated cable duct according to claim 1, characterized in that: The limiting member (15) is in a triangular shape, and a through slot is provided at one end thereof.
7. The PVC flame-retardant insulated cable duct according to claim 1, characterized in that: The angled reinforcing ribs (13) are quasi-H-shaped, and reinforcing ribs are provided at the inner ends of both sides.