Cable fixing clamp convenient for adjusting and fixing cable

Abstract

The utility model relates to the technical field of cable fixing clamps, in particular to a cable fixing clamp convenient for adjusting and fixing a cable, which comprises a bottom plate and a frame body, an upper roller is rotatably mounted at the upper part of the frame body, a ratchet wheel is fixedly mounted with an eccentric shaft, a pawl is mounted on the inner side wall of the frame body, and the eccentric shaft is rotatably connected with the frame body. One end of the eccentric shaft penetrates through one side of the frame and then is fixedly connected with the upper rotating handle, a lower roller is installed under the upper roller and rotationally connected with a roller frame, an inclined block is fixedly installed on the lower end face of the roller frame, a sliding block is installed between the inclined block and the bottom face of the frame in a sliding mode, and a screw penetrates through the sliding block and is in threaded connection with the sliding block. The screw rod penetrates through one side of the frame body and then is fixedly connected with the lower rotating handle, the screw rod is rotationally connected with the frame body, and a spring is connected between the roller carrier and the bottom surface of the frame body. The ratchet wheel and the pawl which play a reverse rotation stopping role can ensure that the cable is not loosened in a reverse fastening direction after being clamped and fixed; the cable can be adjusted and fastened by rotating the lower rotating handle and the upper rotating handle, and the operation is simple and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of cable fixing clamps, in particular to a cable fixing clamp which is convenient for adjusting and fixing cables. Background Art

[0002] During the cable laying process, the cable clamp can fix the cable on the cable bracket, thereby ensuring the smooth and safe operation of the line. The adjustable cable clamp can clamp and fix cables of different sizes. For example, an adjustable cable clamp with an application date of 2022-07-05 and publication number CN217934793U can control the position of the adjustment seat in the adjustment groove by adjusting the adjustment bolt during use, and achieve the clamping of cables of different sizes through the arc-shaped clamping claws. This cable clamp has two shortcomings. First, the cable clamp needs to be adjusted and fixed by tightening multiple screws during use, which is cumbersome to operate and inconvenient to use. Second, thermal expansion and contraction or shaking of the cable may cause the clamp to loosen its grip on the cable, resulting in a false clamp. Utility Model Content

[0003] The purpose of the utility model is to provide a cable fixing clamp which is simple and convenient to operate and can self-tighten after the cable is clamped and fixed, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cable fixing clamp that is convenient for adjusting and fixing cables, comprising a base plate, a frame fixedly mounted on the upper end surface of the base plate, an upper roller mounted on the upper portion of the frame, an eccentric shaft passing through the upper roller and fixedly connected to the upper roller, the eccentric shaft being rotatably connected to the frame, one end of the eccentric shaft passing through one side of the frame and fixedly connected to the upper handle, a lower roller being mounted directly below the upper roller, the lower roller being mounted in a roller frame, the lower roller being rotatably connected to the roller frame via a central axis, the roller frame being slidably connected to the side wall of the frame, and a roller lifting mechanism being provided at the lower portion of the frame that can drive the roller frame to move up and down.

[0005] The roller lifting mechanism includes an inclined block, which is fixedly mounted on the bottom surface of the roller frame. The lower end surface of the inclined block is an inclined surface. A slider is installed between the bottom surface of the frame and the inclined block. The inclined surface of the slider is parallel to the inclined surface of the inclined block and is slidably connected. The slider is slidably connected to the bottom surface of the frame. One end of the screw passes through the slider and is threadedly connected to the slider. The other end of the screw passes through one side of the frame and is fixedly connected to the lower handle. The screw is rotatably connected to the frame, and both ends of the spring are respectively connected to the roller frame and the bottom surface of the frame.

[0006] It also includes a ratchet wheel and a pawl. The ratchet wheel is fixedly installed on the eccentric shaft. The ratchet wheel is on the side close to the frame body. The pawl is matched with the ratchet wheel and installed on the inner side wall of the frame body.

[0007] The rolling surface of the upper roller is an arc-shaped groove, and the rolling surface of the lower roller is an arc-shaped groove.

[0008] Rubber pads are installed on the rolling surfaces of the upper roller and the lower roller.

[0009] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0010] 1. The ratchet wheel and pawl that play a reverse anti-rotation role can ensure that the cable will not loosen in the reverse tightening direction after being clamped and fixed; the screw slider has a mechanical self-locking function, so the lower roller will not move downward after the cable clamp is tightened, causing the cable clamp to loosen; the upper roller is designed as an eccentric wheel. After tightening, under the action of the cable gravity and friction force, the upper roller will be subjected to a force that promotes the upper roller to rotate in the tightening direction, thereby making the cable clamp tighter and tighter, forming a self-tightening effect of the cable clamp.

[0011] 2. Rotating the lower turning handle can drive the roller lifting mechanism to move to adapt to cables of different sizes, and rotating the upper turning handle can tighten the cable, and the operation is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 Schematic diagram of the overall structure of the present utility model;

[0013] Figure 2 Schematic diagram of the upper roller and the ratchet wheel and pawl structure of the present utility model.

[0014] In the figure: bottom plate 1, frame body 2, upper roller 3, eccentric shaft 4, upper turning handle 5, ratchet wheel 6, pawl 7, cable 8, lower roller 9, roller frame 10, inclined block 11, slider 12, screw 13, lower turning handle 14, spring 15. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0015] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0016] Please refer to Figures 1 to 2, the present utility model provides a technical solution: a cable fixing clip for facilitating adjustment and fixing of cables, including a bottom plate 1. Mounting holes are provided on the bottom plate 1 to facilitate fixing the cable fixing clip to the required mounting object. A frame body 2 is fixedly installed on the upper end surface of the bottom plate 1. An upper roller 3 is installed on the upper part of the frame body 2. An eccentric shaft 4 vertically passes through the upper roller 3 and is fixedly connected to the upper roller 3. The eccentric shaft 4 is rotatably connected to the frame body 2. One end of the eccentric shaft 4 passes through one side of the frame body 2 and is fixedly connected to an upper turning handle 5. A lower roller 9 is installed directly below the upper roller 3. The lower roller 9 is installed in a roller frame 10. A cable 8 passes through the space between the upper roller 3 and the lower roller 9. The lower roller 9 is rotatably connected to the roller frame 10 through a central shaft. Guide rails are provided on the outer walls on both sides of the roller frame 10, and corresponding track grooves are provided on the inner side walls of the frame body 2. The roller frame 10 is slidably connected to the side wall of the frame body 2. A roller lifting mechanism capable of driving the roller frame 10 to move up and down is further provided at the lower part of the frame body 2.

[0017] The roller lifting mechanism includes an inclined block 11. The inclined block 11 is fixedly installed on the bottom surface of the roller frame 10. The lower end surface of the inclined block 11 is an inclined surface. A slider 12 is installed between the bottom surface of the frame body 2 and the inclined block 11. The inclined surface of the slider 12 is parallel to the inclined surface of the inclined block 11. A U-shaped groove is provided on the inclined surface of the inclined block 11, and a track groove is provided on the bottom surface of the frame body 2. Guide rails adapted to the U-shaped groove on the inclined surface of the inclined block 11 and the track groove on the bottom surface of the frame body 2 are provided on the inclined surface and the bottom surface of the slider 12. Of course, the inclined block 11 and the slider 12 can also be in direct contact through a lubricant. One end of a screw rod 13 passes through the slider 12 and is threadedly connected to the slider 12. It is the principle of simply rotating the screw rod 13 to control the sliding of the slider 12. The other end of the screw rod 13 passes through one side of the frame body 2 and is fixedly connected to a lower turning handle 14. The screw rod 13 is rotatably connected to the frame body 2. Both ends of a spring 15 are respectively connected to the roller frame 10 and the bottom surface of the frame body 2. There are two springs 15 and they are symmetrically arranged. Rotating the lower turning handle 14 can drive the roller frame 10 to move upward, and when the lower turning handle 14 is rotated in the opposite direction, the spring 15 can drive the roller frame 10 to move downward. The above-described roller lifting mechanism mainly uses the cooperation of the slider and the screw rod to complete, with a simple and stable structure. In addition, this roller lifting structure also has a mechanical self-locking function, that is, rotating the screw rod 13 can drive the roller frame 10 to move upward, but the screw rod 13 cannot be rotated by applying a force to the roller frame 10. That is to say, the force on the lower roller 9 after the cable fixing clip is tightened cannot cause the roller frame 10 to move downward and thus cause the cable fixing clip to loosen when clamping the cable 8. Of course, the roller lifting mechanism in the present utility model can also be a screw jack or a bevel gear screw lifting mechanism in the prior art.

[0018] It also includes a ratchet wheel 6 and a ratchet pawl 7. One side of the ratchet wheel 6 close to the frame body 2 is fixedly installed with an eccentric shaft 4. The ratchet pawl 7 is matched with the ratchet wheel 6 and installed on the inner side wall of the frame body 2. In this new utility model, the functions of the ratchet wheel 6 and the ratchet pawl 7 are to enable the upper roller 3 to rotate only in one direction. The ratchet and pawl mechanism is a commonly used mechanism in the mechanical field. The specific structures of the ratchet wheel 6 and the ratchet pawl 7 and how they cooperate to achieve reverse stopping are prior arts and will not be elaborated here.

[0019] The roller surface of the upper roller 3 is an arc-shaped groove, and the roller surface of the lower roller 9 is an arc-shaped groove. Of course, it is only preferred that the roller surface is an arc-shaped groove, and it can also be a straight surface or a combination of a straight surface and an arc-shaped groove surface. The radian of the arc-shaped groove can be determined according to actual needs.

[0020] Rubber pads are installed on the roller surfaces of the upper roller 3 and the lower roller 9. The rubber pads can not only protect the cable but also increase the friction between the rollers and the cable to enhance the clamping effect. The rubber pads are not shown in the figure.

[0021] When this utility model device is actually used, first, fix the cable fixing clip at the main body position to be installed through the mounting holes on the bottom plate 1. Rotate the lower turning handle 14 to move the lower roller 9, so that the clamping space between the upper roller 3 and the lower roller 9 is suitable for fixing the cable 8 to be fixed. Pass the cable 8 through. During the process of laying and pulling the cable 8, the lower roller 9 rotates, which not only reduces the resistance of pulling the cable 8 but also avoids scratching the surface of the cable 8. After pulling the cable 8 to an appropriate length, rotate the upper turning handle 5 to make the upper roller 3 rotate towards the direction close to the cable 8 until the cable 8 is pressed tightly to complete the fixation of the cable 8; when it is necessary to disassemble or replace the cable 8, rotate the lower turning handle 14 to move the lower roller 9 away from the cable 8. After the position is appropriate, the cable 8 can be pulled out to complete the separation of the cable fixing clip and the cable 8.

[0022] 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 principles and spirits of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A cable fixing clip convenient for adjusting and fixing cables, comprising a bottom plate (1), and a frame body (2) fixedly installed on the upper end surface of the bottom plate (1), characterized in that: An upper roller (3) is installed on the upper part of the frame body (2). An eccentric shaft (4) passes through the upper roller (3) and is fixedly connected to the upper roller (3). The eccentric shaft (4) is rotatably connected to the frame body (2). One end of the eccentric shaft (4) passes through one side of the frame body (2) and is fixedly connected to an upper rotary handle (5). A lower roller (9) is installed directly below the upper roller (3). The lower roller (9) is installed in a roller frame (10). The lower roller (9) is rotatably connected to the roller frame (10) through a central shaft. The roller frame (10) is slidably connected to the side wall of the frame body (2). A roller lifting mechanism capable of driving the roller frame (10) to move up and down is provided at the lower part of the frame body (2).

2. The cable fixing clip for facilitating the adjustment and fixing of a cable according to claim 1, wherein: The roller lifting mechanism includes an inclined block (11). The inclined block (11) is fixedly installed on the bottom surface of the roller frame (10). The lower end surface of the inclined block (11) is an inclined plane. A slider (12) is installed between the bottom surface of the frame body (2) and the inclined block (11). The inclined plane of the slider (12) is parallel to and slidably connected to the inclined plane of the inclined block (11). The slider (12) is slidably connected to the bottom surface of the frame body (2). One end of a screw rod (13) passes through the slider (12) and is threadedly connected to the slider (12). The other end of the screw rod (13) passes through one side of the frame body (2) and is fixedly connected to a lower rotary handle (14). The screw rod (13) is rotatably connected to the frame body (2). Springs (15) are respectively connected to the roller frame (10) and the bottom surface of the frame body (2) at both ends.

3. The cable fixing clip for facilitating adjustment and fixing of cables according to claim 2, characterized in that: It further includes a ratchet wheel (6) and a ratchet pawl (7). The ratchet wheel (6) is fixedly installed on the eccentric shaft (4). The ratchet wheel (6) is close to one side of the frame body (2). The ratchet pawl (7) is matched with the ratchet wheel (6) and is installed on the inner side wall of the frame body (2).

4. The cable fixing clip for facilitating adjustment and fixing of a cable according to claim 1, wherein: The roller surface of the upper roller (3) is an arc-shaped groove, and the roller surface of the lower roller (9) is an arc-shaped groove.

5. The cable fixing clip for facilitating the adjustment and fixing of a cable according to claim 1, wherein: Rubber pads are installed on the roller surfaces of the upper roller (3) and the lower roller (9).

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