Stay wire assist device for main electric box

Abstract

The utility model discloses a main electric box stay wire assist device which comprises a supporting frame, a roller and a clamping structure, the roller is installed in the supporting frame in a rotatable mode, detached relative to the supporting frame and used for a cable to wind around, the clamping structure is arranged at the rear end of the supporting frame, and the supporting frame is clamped and fixed to a universal track in a main electric box through the clamping structure. And the roller is positioned above the through hole in the bottom of the main electric box. When the main electric box stay wire assist device is used, the support frame is clamped and fixed on a universal track in a main electric box through the clamping structure, the main electric box stay wire assist device is simple and convenient to install, the main electric box stay wire assist device can be stably installed in the main electric box, and the use of the main electric box stay wire assist device enables a cable to be pulled more smoothly, the cable is not easy to damage, and the service life of the main electric box stay wire assist device is prolonged. And moreover, the phenomenon of cable clamping is avoided, so that the decoration cable pulling and arranging are more convenient and efficient, and the market competitiveness is extremely high.

Description

Technical fields:

[0001] This utility model relates to the field of electrical box cable pulling technology, and specifically to a main electrical box cable pulling auxiliary device. Background technology:

[0002] The main electrical box (i.e., the high-voltage electrical box) is a conventional electrical equipment. It is characterized by its small size, easy installation, special technical performance, fixed location, unique configuration functions, no site restrictions, wide application, stable and reliable operation, high space utilization, small footprint, and environmental protection effect.

[0003] Combination Figure 1 As shown, the current main electrical box 1 is equipped with a universal rail 11. Electrical components such as leakage protection switches and air switches are installed on the universal rail 11. The cables connecting the electrical components are routed out through the through hole 12 at the bottom of the main electrical box 1, and the cable outlet is generally connected to other equipment.

[0004] However, when pulling the cable through the through hole 12 at the bottom of the main electrical box 1, the cable gets stuck in the opening at the top of the through hole 12 because the through hole 12 is only slightly larger than the diameter of the cable and the cable has a certain degree of rigidity. This makes it difficult to pull the cable. If the cable is pulled too hard, it will be damaged. At this time, the part of the cable inside the main electrical box needs to be straightened repeatedly before the cable can be pulled out and the cable can be pulled out. This operation is extremely troublesome and inefficient, causing great inconvenience to the staff.

[0005] In view of the above, the present invention proposes the following technical solution. Utility model content:

[0006] The purpose of this utility model is to overcome the shortcomings of the existing technology and provide a main electrical box cable puller.

[0007] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: the main electrical box cable puller includes a support frame, a roller that is rotatably installed in the support frame and detached from the support frame for cable bypass, and a clamping structure disposed at the rear end of the support frame. The support frame is clamped and fixed to a universal track inside the main electrical box by the clamping structure, and the roller is located above the through hole at the bottom of the main electrical box.

[0008] Furthermore, in the above technical solution, the clamping structure includes a fixed clamping block integrally formed on the rear end of the support frame, and a movable clamping block installed on the rear end of the support frame and located below the fixed clamping block in a way that allows it to float up and down elastically via bolts and springs. The spring is sleeved on the bolt, and the upper end of the bolt passes through the movable hole of the movable clamping block and is screwed to the rear end of the support frame. The two ends of the spring abut against the lower end of the movable clamping block and the head of the bolt, respectively. An elastic clamping space is formed between the movable clamping block and the fixed clamping block for clamping and fixing with the universal track.

[0009] Furthermore, in the above technical solution, the lower end of the fixed clamping block is provided with an upper clamping groove, and the upper end of the movable clamping block is provided with a lower clamping groove.

[0010] Furthermore, in the above technical solution, the support frame is integrally injection molded from plastic, and a metal nut compatible with the bolt is embedded at the rear end of the support frame.

[0011] Furthermore, in the above technical solution, the movable clamping block is integrally injection molded from plastic.

[0012] Furthermore, in the above technical solution, a rotating shaft is inserted through the middle of the roller, and both ends of the rotating shaft are formed with stops; the front end of the support frame has two support arms, the ends of the support arms are provided with shaft holes, the rotating shaft is inserted into the shaft holes, and the stops abut against the outside of the shaft holes.

[0013] Furthermore, in the above technical solution, the shaft hole is in the shape of an inverted R, which is opened downward along the upper end face of the support arm and passes through both sides of the support arm.

[0014] Furthermore, in the above technical solution, the outer surface of the roller is provided with a plurality of anti-slip ribs distributed along its length.

[0015] After adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art: In use, the support frame is clamped and fixed to the universal track inside the main electrical box by the clamping structure. Installation is simple and ensures stable installation of the present invention inside the main electrical box. The roller is located above the through hole at the bottom of the main electrical box. The cable inside the main electrical box passes around the roller and then passes through the through hole at the bottom of the main electrical box from top to bottom to extend outside the bottom of the main electrical box. At this time, the cable passes through the through hole from top to bottom, making it smoother for workers to pull the cable and preventing jamming / stuck issues. The roller can rotate relative to the support frame, so that when the cable is pulled inside, the roller can also rotate along with the cable. That is, the two have rotational contact, which has low friction and can avoid wear on the cable, ensuring the quality of the cable. At the same time, the cable pulling action becomes smoother, reducing the force required. Only one person is needed to pull the cable, saving labor. In other words, the use of this utility model main electrical box cable pulling auxiliary device makes cable pulling smoother, less likely to damage the cable, and prevents cable jamming. It makes cable pulling and wiring more convenient and efficient, giving it a strong market competitiveness. Attached image description:

[0016] Figure 1 This is a 3D view of the main electrical box;

[0017] Figure 2 This is an assembly drawing of the utility model and the main electrical box;

[0018] Figure 3 This is a perspective view of the present invention;

[0019] Figure 4 This is a perspective view of the present invention from another angle;

[0020] Figure 5 This is a 3D exploded view of the main electrical box;

[0021] Figure 6 This is a cross-sectional view of the main electrical box. Detailed implementation method:

[0022] The present invention will be further described below with reference to specific embodiments and accompanying drawings.

[0023] See Figure 2-6As shown, a main electrical box cable puller includes a support frame 2, a roller 3 that is rotatably installed in the support frame 2 and detached from the support frame for cable routing, and a clamping structure 4 located at the rear end of the support frame 2. The support frame 2 is clamped and fixed to a universal track 11 inside the main electrical box 1 by the clamping structure 4, and the roller 3 is located above the through hole 12 at the bottom of the main electrical box 1. In use, the support frame 2 is clamped and fixed to the universal track 11 inside the main electrical box 1 by the clamping structure 4. Installation is simple and ensures stable installation inside the main electrical box. The roller 3 is located above the through hole 12 at the bottom of the main electrical box 1. The cable inside the main electrical box 1 passes around the roller 3 and then passes through the through hole 12 at the bottom of the main electrical box 1 from top to bottom to extend outside the bottom of the main electrical box 1. This top-to-bottom passage of the cable through the through hole 12 makes pulling the cable smoother and prevents jamming / stretching. The roller 3 can also be positioned relative to the support frame. 2. The roller 3 rotates as the cable is pulled, resulting in a rotational contact between the two. This minimizes friction and prevents cable wear, ensuring cable quality. Simultaneously, the pulling action becomes smoother, requiring less force and necessitating only one worker, saving labor costs. In other words, the use of this main electrical box cable pulling aid makes cable pulling smoother, less prone to damage, and prevents cable jamming, making cable pulling and routing more convenient and efficient, giving it a strong market competitiveness. After pulling the cable, the roller 3 is removed from the support frame to detach the cable from the device, making it even more convenient to use.

[0024] The clamping structure 4 includes a fixed clamping block 41 integrally formed on the rear end of the support frame 2, and a movable clamping block 44 installed on the rear end of the support frame 2 and located below the fixed clamping block 41 in a way that allows it to float up and down elastically via bolts 42 and springs 43. The spring 43 is sleeved on the bolt 42, and the upper end of the bolt 42 passes through the movable hole 441 of the movable clamping block 44 and is screwed to the rear end of the support frame 2. The two ends of the spring 43 abut against the lower end of the movable clamping block 44 and the head of the bolt 42, respectively. An elastic clamping space is formed between the movable clamping block 44 and the fixed clamping block 41 for clamping and fixing with the universal track 11. The clamping structure 4 is simple in structure. In specific use, the movable clamping block 44 is opened outward relative to the fixed clamping block 41 to compress the spring 43, thereby expanding the elastic clamping space 40. This makes it easier to fit onto the universal track 11 inside the main electrical box 1. After the movable clamping block 44 is released, it closes relative to the fixed clamping block 41 under the elastic restoring force of the spring 43. At this time, the movable clamping block 44 and the fixed clamping block 41 cooperate to clamp and fix it on the universal track 11. It is extremely convenient to operate and has high assembly stability, ensuring that this utility model is stably installed on the universal track 11.

[0025] The fixed clamping block 41 has an upper clamping groove 411 at its lower end, and the movable clamping block 44 has a lower clamping groove 442 at its upper end. The upper clamping groove 411 and the lower clamping groove 442 are respectively clamped and fixed to the upper and lower ends of the universal track 11, resulting in a better clamping effect and a good anti-detachment function.

[0026] The support frame 2 is integrally injection molded from plastic. A metal nut 45, compatible with the bolt 42, is embedded at the rear end of the support frame 2, ensuring a more stable assembly between the bolt 42 and the support frame 2. This also simplifies the manufacture of the support frame 2, reduces costs, and makes it lighter. The movable clamping block 44 is also integrally injection molded from plastic, further reducing the cost and lightness of this invention.

[0027] A rotating shaft 5 is inserted through the middle of the roller 3, and both ends of the rotating shaft 5 are formed with stops 51. The front end of the support frame 2 has two support arms 21, and the ends of the support arms 21 are provided with shaft holes 211. The rotating shaft 5 passes through the shaft holes 211, and the stops 51 abut against the outside of the shaft holes 211, thereby ensuring that the rotating shaft 5 is stably installed in the shaft holes 211. Specifically, the shaft hole 211 is inverted R-shaped, which is opened downward along the upper end of the support arm 21 and extends through both sides of the support arm 21. The end of the rotating shaft 5 can be directly pressed into the shaft hole 211 from top to bottom, and when it is necessary to remove the roller 3 from the support frame 2 later, the rotating shaft 5 can be pulled out of the shaft hole 211 from bottom to top, which is very convenient for both disassembly and assembly.

[0028] The outer surface of the roller 3 is provided with a plurality of anti-slip ribs 31 distributed along its length, which makes the contact between the cable and the roller 3 more stable, and allows the roller 3 to rotate as the cable is pulled. It can better protect the cable, and at the same time make it easier to pull the cable, making the cable pulling smoother and more efficient.

[0029] In summary, when using this utility model, the support frame 2 is clamped and fixed to the universal track 11 inside the main electrical box 1 by the clamping structure 4. Its installation is simple and ensures stable installation inside the main electrical box. The roller 3 is located above the through hole 12 at the bottom of the main electrical box 1. The cable inside the main electrical box 1 passes around the roller 3 and then passes through the through hole 12 at the bottom of the main electrical box 1 from top to bottom to extend outside the bottom of the main electrical box 1. At this time, the cable passes through the through hole 12 from top to bottom, making it smoother for workers to pull the cable and preventing jamming / stuck issues. Furthermore, the roller 3 can provide relative support... When the support frame 2 rotates, the roller 3 also rotates as the cable is pulled, resulting in a rotational contact between the two. This minimizes friction and prevents wear on the cable, ensuring its quality. Simultaneously, the cable pulling action becomes smoother, requiring less force and only one worker is needed, saving labor costs. In other words, the use of this main electrical box cable pulling auxiliary device makes cable pulling smoother, less prone to damage, and prevents cable jamming, making cable pulling and routing more convenient and efficient, thus possessing strong market competitiveness.

[0030] Of course, the above description is only a specific embodiment of the present utility model and is not intended to limit the scope of the present utility model. All equivalent changes or modifications made to the structure, features and principles described in the claims of the present utility model should be included in the scope of the claims of the present utility model.

Claims

1. A main electrical box cable puller, characterized in that: It includes a support frame (2) and a roller (3) that is rotatably mounted in the support frame (2) and detached from the support frame for cable routing, and a clamping structure (4) located at the rear end of the support frame (2). The support frame (2) is clamped and fixed to a universal track (11) inside the main electrical box (1) by the clamping structure (4), and the roller (3) is located above the through hole (12) at the bottom of the main electrical box (1).

2. The main electrical box cable puller according to claim 1, characterized in that: The clamping structure (4) includes a fixed clamping block (41) integrally formed on the rear end of the support frame (2) and a movable clamping block (44) installed on the rear end of the support frame (2) and located below the fixed clamping block (41) by means of a bolt (42) and a spring (43) in a way that allows it to float up and down elastically. The spring (43) is sleeved on the bolt (42). The upper end of the bolt (42) passes through the movable hole (441) of the movable clamping block (44) and is screwed to the rear end of the support frame (2). The two ends of the spring (43) abut against the lower end of the movable clamping block (44) and the head of the bolt (42) respectively. An elastic clamping space (40) is formed between the movable clamping block (44) and the fixed clamping block (41) for clamping and fixing with the universal track (11).

3. The main electrical box cable puller according to claim 2, characterized in that: The lower end of the fixed clamping block (41) is provided with an upper clamping groove (411), and the upper end of the movable clamping block (44) is provided with a lower clamping groove (442).

4. The main electrical box cable puller according to claim 2, characterized in that: The support frame (2) is integrally injection molded from plastic, and a metal nut (45) that is compatible with the bolt (42) is inlaid at the rear end of the support frame (2).

5. The main electrical box cable puller according to claim 2, characterized in that: The movable clamping block (44) is integrally injection molded from plastic.

6. The main electrical box cable puller according to any one of claims 1-5, characterized in that: A rotating shaft (5) is inserted through the middle of the roller (3), and both ends of the rotating shaft (5) are formed with baffles (51); the front end of the support frame (2) has two support arms (21), and the ends of the support arms (21) are provided with shaft holes (211). The rotating shaft (5) is inserted into the shaft holes (211), and the baffles (51) abut against the outside of the shaft holes (211).

7. The main electrical box cable puller according to claim 6, characterized in that: The shaft hole (211) is in the shape of an inverted R, and it is opened downward along the upper end face of the support arm (21) and passes through both sides of the support arm (21).

8. The main electrical box cable puller according to claim 6, characterized in that: The outer surface of the roller (3) is provided with a plurality of anti-slip ribs (31) distributed along its length.

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