Combined ladder type low-smoke halogen-free trunking

Abstract

The utility model relates to the technical field of wire ducts, in particular to a combined ladder type low-smoke halogen-free wire duct, which comprises a main body, a plurality of grooves arranged on the main body, a sliding groove arranged at the top end of the main body, an open groove arranged between every two grooves, a first fixing block arranged at the bottom end inside the main body, and a second fixing block arranged at one end of the first fixing block. Positioning rods are symmetrically arranged at one end of the second fixing block, limiting holes are formed in the top ends of the positioning rods, limiting rods are arranged in the limiting holes, a mounting plate is arranged at one end of the tension spring, a limiting plate is arranged at the other end of the tension spring, a pulling plate is arranged at one end of each limiting rod, a plurality of fixing rods are arranged in the main body, and threaded holes are formed in the two ends of each fixing rod; by utilizing the structure of the open groove, the supporting rod, the fixing rod, the limiting rod, the tension spring, the mounting plate and the limiting plate, the problems that a common wiring groove is made of plastic, the wiring groove is easy to break and short in service life, and meanwhile, the assembly efficiency is reduced due to the fact that the wiring grooves are relatively tedious to mount and dismount are solved by utilizing the structure of the open groove, the supporting rod, the fixing rod, the limiting rod, the tension spring, the mounting plate and the limiting plate.

Description

Technical Field

[0001] The utility model relates to the technical field of wire ducts, in particular to a combined ladder-type low-smoke and halogen-free wire duct. Background Technique

[0002] A wire duct, also known as a wire routing duct, wiring duct, or cable tray, is an electrical tool used to neatly organize and fix power cables, data cables, etc. on walls or ceilings. According to different materials, wire ducts are classified into many types, and commonly used ones include environmentally friendly PVC wire ducts, halogen-free PPO wire ducts, halogen-free PC / ABS wire ducts, steel-aluminum and other metal wire ducts, etc. A low-smoke and halogen-free wire sheath is composed of a thermoplastic or thermosetting material with low smoke emission when heated and no halogen content itself.

[0003] Generally, the material of a wiring duct is plastic. The wiring duct is easy to break and has a short service life. At the same time, the installation and disassembly between wire ducts are relatively cumbersome, reducing the assembly efficiency.

[0004] Therefore, it is particularly important to design a combined ladder-type low-smoke and halogen-free wire duct to change the above technical defects and improve the overall practicability. Content of the Utility Model

[0005] The purpose of the utility model is to provide a combined ladder-type low-smoke and halogen-free wire duct to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A combined ladder-type low-smoke and halogen-free wire duct includes a main body. A plurality of grooves are opened on the main body. A chute is provided at the top end of the main body. An opening is provided between every two grooves. A first fixing block is provided at the bottom end inside the main body. A second fixing block is provided at one end of the first fixing block. A plurality of support rods are provided between the first fixing block and the second fixing block. Positioning rods are symmetrically provided at one end of the second fixing block. A limiting hole is provided at the top end of the positioning rod. A limiting rod is provided inside the limiting hole. A tension spring is provided outside the limiting rod. One end of the tension spring is provided with a mounting plate. The other end of the tension spring is provided with a limiting plate. A pulling plate is provided at one end of the limiting rod. A sleeve is provided outside the limiting rod. A plurality of fixing rods are provided inside the main body. Threaded holes are provided at both ends of the fixing rod. A threaded rod is provided inside the threaded hole. A cover plate is provided at the top end of the main body.

[0008] As a preferred solution of the utility model, a convex block is provided at one end of the main body close to the second fixing block, and a positioning groove is provided at one end of the main body close to the first fixing block. The convex block and the positioning groove are fitted with each other.

[0009] As a preferred embodiment of the present utility model, an avoidance groove adapted to the sliding groove is provided at the bottom end of the cover plate. The cover plate is slidably connected to the main body. Both the main body and the groove are U-shaped. A gasket is provided on one side of the threaded rod.

[0010] As a preferred embodiment of the present utility model, the support rod is fixedly connected to the main body. The limiting rod is embedded in the limiting hole. Both ends of the tension spring are fixedly connected to the mounting plate and the limiting plate.

[0011] As a preferred embodiment of the present utility model, the limiting rod penetrates through the mounting plate, and the limiting rod is slidably connected to the mounting plate. The mounting plate is fixedly connected to the sleeve.

[0012] As a preferred embodiment of the present utility model, the cross-sectional area of the sleeve in the horizontal direction is smaller than the cross-sectional area of the pulling plate. The sleeve is arranged at the top end of the first fixing block. A chamber for avoiding the limiting rod is provided at the bottom end of the first fixing block.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. In the present utility model, by providing a combined ladder-type low-smoke and halogen-free wire trough, using the structures of the grooving, support rod, fixing rod, limiting rod, tension spring, mounting plate, limiting plate, pulling plate, and sleeve, the cooperation between the limiting rod and the limiting hole is used to control the installation and disassembly between the two wire troughs. After installation, the two wire troughs are connected to the wall to replace the traditional bolt installation, which is more efficient. At the same time, the wire trough is set in a ladder shape to reinforce the wire trough itself. Inside the wire trough, the sleeve and the fixing rod are used to facilitate the division of the cables, solving the problems that the material of the general wire distribution trough is plastic, the wire distribution trough is easy to break, the service life is short, and the installation and disassembly between the wire troughs are relatively cumbersome, reducing the assembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the overall structure diagram of the present utility model;

[0016] Figure 2 is the schematic diagram of the cover plate and the main body plan view and the fixing rod assembly of the present utility model;

[0017] Figure 3 is the structural schematic diagram of the first fixing block and the internal components of the sleeve of the present utility model.

[0018] In the figure: 1. Main body; 101. Groove; 102. Slide groove; 103. Slotted opening; 2. First fixing block; 201. Second fixing block; 202. Positioning rod; 203. Limiting hole; 204. Support rod; 3. Limiting rod; 301. Tension spring; 302. Mounting plate; 303. Limiting plate; 304. Pulling plate; 305. Sleeve; 4. Fixing rod; 401. Threaded hole; 402. Threaded rod; 403. Cover plate. Detailed implementation manner

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] To facilitate the understanding of the present invention, the present invention will be described more comprehensively with reference to the relevant drawings. Several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present invention belongs. The terms used in the specification of the present invention herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0023] For the embodiment, please refer to Figures 1-3 , the present invention provides a technical solution:

[0024] A combined ladder-type low-smoke zero-halogen wire trunking comprises a main body 1, a plurality of grooves 101 are provided on the main body 1, a slide groove 102 is provided at the top of the main body 1, a groove 103 is provided between every two grooves 101, a first fixing block 2 is provided at the inner bottom end of the main body 1, a second fixing block 201 is provided at one end of the first fixing block 2, a plurality of support rods 204 are provided between the first fixing block 2 and the second fixing block 201, a positioning rod 202 is symmetrically provided at one end of the second fixing block 201, a limiting hole 203 is provided at the top of the positioning rod 202, a limiting rod 3 is provided inside the limiting hole 203, a tension spring 301 is provided outside the limiting rod 3, a mounting plate 302 is provided at one end of the tension spring 301, a limiting plate 303 is provided at the other end of the tension spring 301, a pull plate 304 is provided at one end of the limiting rod 3, a sleeve 305 is provided outside the limiting rod 3, a plurality of fixing rods 4 are provided inside the main body 1, Threaded holes 401 are provided at both ends of the fixing rod 4, and threaded rods 402 are provided inside the threaded holes 401. A cover plate 403 is provided on the top of the main body 1. The protrusions are aligned with the positioning grooves, and then the pull plate 304 is pulled. At this time, the pull plate 304 drives the limiting rod 3 to move upward, the tension spring 301 contracts, and the positioning rod 202 is inserted into the avoidance groove. At the same time, the pull plate 304 is released, and the limiting rod 3 is inserted into the limiting hole 203 to fix the positions of the two wire grooves. When disassembling, it is only necessary to pull the pull plate 304 to make the limiting rod 3 disengage from the limiting hole 203. At the same time, it is assumed that there are multiple support rods 204 inside the main body 1 to prevent the main body from breaking. When the cables inside the main body 1 need to be distinguished or classified, the position of the fixing rod 4 can be adjusted. At the same time, the threaded rod 402 is inserted into the threaded hole 401 after passing through the slot 103 to fix the position of the fixing rod 4.

[0025] One end of the main body 1 close to the second fixing block 201 is provided with a convex block, and one end of the main body 1 close to the first fixing block 2 is provided with a positioning groove. The convex block and the positioning groove are fitted with each other, which is convenient for quickly positioning and installing two wire grooves. The bottom end of the cover plate 403 is provided with an avoidance groove for adapting to the sliding groove 102. The cover plate 403 is slidably connected to the main body 1. The main body 1 and the groove 101 are both U-shaped. One side of the threaded rod 402 is provided with a gasket, which is convenient for closing the wire groove to protect the internal cables. The support rod 204 is fixedly connected to the main body 1. The limiting rod 3 is embedded in the limiting hole 203. The two ends of the tension spring 301 are fixedly connected to the mounting plate 302 and the limiting plate 303, which is convenient for the limiting rod 3 to disengage from the limiting hole 203 so as to control the installation between the two wire grooves. The limiting rod 3 penetrates through the mounting plate 302, and the limiting rod 3 is slidably connected to the mounting plate 302. The mounting plate 302 is fixedly connected to the sleeve 305. The cross-sectional area of the sleeve 305 is smaller than the cross-sectional area of the pull plate 304. The sleeve 305 is arranged at the top end of the first fixing block 2. The bottom end of the first fixing block 1 is provided with a chamber for avoiding the limiting rod 3. The sleeve 305 is used to protect the internal limiting rod 3 assembly, and at the same time, the two sleeves 304 are used to distinguish and classify cables.

[0026] The working process of the present utility model: When using this combined ladder-type low-smoke and halogen-free wire groove, first, according to the requirements, align and fit the convex block and the positioning groove. Then, pull the pull plate 304. At this time, the pull plate 304 drives the limiting rod 3 to move upward, and the tension spring 301 contracts. Insert the positioning rod 202 into the avoidance groove and release the pull plate 304 at the same time. The limiting rod 3 is inserted into the limiting hole 203 to fix the positions of the two wire grooves. When disassembling, only need to pull the pull plate 304 to make the limiting rod 3 disengage from the limiting hole 203. At the same time, a plurality of support rods 204 are provided inside the main body 1 to prevent the main body from breaking. When the cables inside the main body 1 need to be distinguished or classified, the position of the fixing rod 4 can be adjusted. At the same time, the threaded rod 402 is passed through the slot 103 and then inserted into the threaded hole 401 to fix the position of the fixing rod 4.

[0027] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A combined ladder-type low-smoke zero-halogen cable trunking, comprising a main body (1), characterized in that: The main body (1) is provided with a plurality of grooves (101), a sliding groove (102) is provided at the top of the main body (1), a groove (103) is provided between every two grooves (101), a first fixing block (2) is provided at the inner bottom of the main body (1), a second fixing block (201) is provided at one end of the first fixing block (2), a plurality of supporting rods (204) are provided between the first fixing block (2) and the second fixing block (201), a positioning rod (202) is symmetrically provided at one end of the second fixing block (201), a limiting hole (203) is provided at the top of the positioning rod (202), and the limiting hole (203) is provided at the bottom of the inner bottom of the main body (1). ) is provided with a limit rod (3) inside, a tension spring (301) is provided outside the limit rod (3), a mounting plate (302) is provided at one end of the tension spring (301), a limit plate (303) is provided at the other end of the tension spring (301), a pull plate (304) is provided at one end of the limit rod (3), a sleeve (305) is provided outside the limit rod (3), a plurality of fixing rods (4) are provided inside the main body (1), threaded holes (401) are provided at both ends of the fixing rod (4), a threaded rod (402) is provided inside the threaded hole (401), and a cover plate (403) is provided at the top end of the main body (1).

2. The combined ladder-type low-smoke zero-halogen cable trunking according to claim 1 is characterized in that: A protrusion is provided at one end of the main body (1) close to the second fixing block (201), and a positioning groove is provided at one end of the main body (1) close to the first fixing block (2), and the protrusion fits in the positioning groove.

3. The combined ladder-type low-smoke zero-halogen cable trunking according to claim 1 is characterized in that: The bottom end of the cover plate (403) is provided with an avoidance groove adapted to the slide groove (102); the cover plate (403) and the main body (1) are slidably connected; the main body (1) and the groove (101) are both U-shaped; and a gasket is provided on one side of the threaded rod (402).

4. The combined ladder-type low-smoke zero-halogen cable trunking according to claim 1 is characterized in that: The support rod (204) and the main body (1) are fixedly connected, the limiting rod (3) and the limiting hole (203) are embeddedly connected, and the two ends of the tension spring (301) and the mounting plate (302) and the limiting plate (303) are fixedly connected.

5. The combined ladder-type low-smoke zero-halogen cable trunking according to claim 1 is characterized in that: The limiting rod (3) is arranged to penetrate the mounting plate (302), and the limiting rod (3) and the mounting plate (302) are slidably connected, while the mounting plate (302) and the sleeve (305) are fixedly connected.

6. The combined ladder-type low-smoke zero-halogen cable trunking according to claim 1 is characterized by: The cross-sectional area of ​​the sleeve (305) is smaller than the cross-sectional area of ​​the pull plate (304); the sleeve (305) is arranged at the top end of the first fixed block (2); and the bottom end of the first fixed block (1) is provided with a chamber for avoiding the limit rod (3).

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