HPVC cable protection elbow with guide structure

Abstract

The utility model discloses an HPVC cable protection elbow with a guide structure, which relates to the technical field of cable protection pipes and comprises a bent pipeline and two straight pipelines, the two straight pipelines are fixedly mounted at ports of the bent pipeline, a mounting frame is fixedly arranged at the bent position of the bent pipeline, a rotating shaft is mounted on the mounting frame, a rotating grip is fixedly arranged at the upper end of the rotating shaft, and a guide structure is arranged on the rotating grip. A coiling column is fixedly arranged on the outer wall of the rotating shaft, a sliding rail is fixedly arranged on the inner wall of the side, close to the coiling column, of the bent pipeline and the straight pipeline, and a conveying belt is slidably arranged in the sliding rail, penetrates out of the straight pipeline through the through hole, is coiled for a circle at the coiling column and is fixedly provided with a sliding frame on the sliding rail. An adjusting seat is fixedly arranged on the sliding frame, and a binding belt is fixedly arranged on one side of the adjusting seat. The device is simple in structure, convenient to operate, capable of guiding lines to pass through the bent pipe and preventing the lines from being accumulated in the bent pipe, high in practicability and suitable for popularization.

Description

Technical Field

[0001] The utility model belongs to the technical field of cable protection pipes, and particularly relates to an HPVC cable protection elbow with a guiding structure. Background Technique

[0002] High-polymerization-degree polyvinyl chloride (HPVC) generally refers to polyvinyl chloride resin with an average polymerization degree greater than 1700. HPVC has a large plasticizer absorption capacity, and its soft products greatly improve the mechanical properties, compression set, resilience, heat resistance, cold resistance, etc. of ordinary soft PVC products. Therefore, it is applied to cable protection pipes.

[0003] In HPVC cable protection pipes, due to the requirements of the laying environment, elbows are needed. However, after the wires are inserted into the elbows, they are prone to knotting and stacking, and cannot pass through the elbows, causing trouble to the construction. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an HPVC cable protection elbow with a guiding structure, which has a simple structure, is convenient to operate, can guide the line to pass through the elbow, prevent the line from accumulating in the bent pipe, has strong practicability, and is suitable for popularization.

[0005] The utility model provides the following technical solution: an HPVC cable protection elbow with a guiding structure, including a bent pipe and a straight pipe. The two straight pipes are fixedly installed at the ports of the bent pipe. An installation frame is fixedly arranged at the bending part of the bent pipe. A rotating shaft is installed on the installation frame. A rotating grip is fixedly arranged at the upper end of the rotating shaft. A coiling column is fixedly arranged on the outer wall of the rotating shaft;

[0006] On the inner walls of the bent pipe and the straight pipe close to the coiling column, sliding tracks are fixedly arranged. The sliding tracks extend to the openings of the straight pipes and are fixedly provided with through holes. A conveyor belt is slidably arranged in the sliding tracks. The conveyor belt passes through the through holes and extends out of the straight pipes. The conveyor belt is coiled around the coiling column for one week;

[0007] On the conveyor belt, sliding frames are fixedly arranged on the sliding tracks. The sliding frames are slidably connected to the openings of the sliding tracks. An adjusting seat is fixedly arranged on the sliding frames. A cable tie is fixedly arranged on one side of the adjusting seat. The adjusting seat is provided with a through insertion hole. A pulling rod is slidably arranged on the adjusting seat. The cable tie is inserted into the insertion hole and is slidably connected to the pulling rod through a toothed structure.

[0008] Preferably, the coiling column is provided with friction lines, and the conveyor belt is in a tensioned state.

[0009] Preferably, an elastic pad is provided inside the adjusting seat on the side of the pulling rod away from the cable tie. The shape of the teeth of the cable tie is such that when the cable tie is inserted, its teeth fit against the inclined surface of the teeth of the pulling rod, and when the cable tie tends to be pulled out of the insertion hole, its teeth fit against the flat surface of the teeth of the pulling rod.

[0010] The beneficial effects of the present utility model are as follows: simple structure, convenient operation, capable of guiding a circuit through a bent pipe, preventing the circuit from accumulating in the bent pipe, and having strong practicability, specifically as follows:

[0011] (1) The present utility model is provided with a conveyor belt. When tying a cable to the cable tie, by rotating the coiling post with the cable tie, the pulled conveyor belt moves. The conveyor belt drives the cable on the cable tie into the bent pipe and moves to the other end of the bent pipe. The cable is inserted into the bent pipe through the guiding mechanism so that it will not be blocked in the bent pipe. Moreover, the conveyor belt moves along the sliding track on the inner wall of the pipe, having little impact on the inside of the bent pipe. The coiling post used to drive the conveyor belt is installed at the angle of the bent pipe, having little impact on the external structure.

[0012] (2) The present utility model is provided with an adjusting seat. When tying the cable tightly with the cable tie, by pulling the cable tie to pass it through the insertion hole, during the contraction process of the cable tie, the teeth of the cable tie fit against the inclined surface of the teeth of the pulling rod to allow the teeth to pass through. If the cable tie is pulled in the reverse direction, the teeth on it fit against the flat surface of the teeth of the pulling rod, causing a blockage. When the cable tie is tightened and drives the cable to the other end, pulling out the pulling rod can complete the release. Similarly, for inserting the pulling rod, when the teeth of the pulling rod are aligned with the gap between the teeth of the cable tie, insert the pulling rod for the next operation. Description of the Drawings

[0013] The drawings are used to provide a further understanding of the present utility model and form a part of the specification. They are used together with the embodiments of the present utility model to explain the present utility model and do not constitute a limitation to the present utility model. In the drawings:

[0014] Figure 1 is the overall schematic diagram of the present utility model;

[0015] Figure 2 is the schematic diagram of the structure inside the pipe of the present utility model;

[0016] Figure 3 is the cross-sectional view at the adjusting seat of the present utility model;

[0017] The reference numerals in the drawings are: 1, bent pipe; 2, straight pipe; 3, mounting bracket; 4, rotating shaft; 5, rotating grip; 6, coiling post; 7, through hole; 8, conveyor belt; 9, cable tie; 10, sliding track; 11, adjusting seat; 12, insertion hole; 13, pulling rod; 14, sliding bracket; 15, elastic pad. Detailed Embodiments

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model 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.

[0019] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "top / bottom end", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0020] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, the terms "installed", "provided with", "sheathed / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; 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 communication inside two elements. 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.

[0021] Now, in conjunction with the accompanying drawings of the specification, the structural features of the present utility model will be described in detail.

[0022] See Figure 1 , an HPVC cable protection elbow with a guiding structure, including a bent pipe 1 and a straight pipe 2. Two straight pipes 2 are fixedly installed at the ports of the bent pipe 1. An installation frame 3 is fixedly provided at the bending part of the bent pipe 1. A rotating shaft 4 is installed on the installation frame 3. A rotating grip 5 is fixedly provided at the upper end of the rotating shaft 4. A coiling column 6 is fixedly provided on the outer wall of the rotating shaft 4. The coiling column 6 rotates by rotating the rotating grip 5.

[0023] See Figure 1-2 , on the inner walls of the bent pipe 1 and the straight pipe 2 close to the coiling column 6, a sliding track 10 is fixedly provided. The sliding track 10 extends to the opening of the straight pipe 2 and is fixedly provided with a through hole 7. A conveyor belt 8 is slidably arranged in the sliding track 10. The conveyor belt 8 moves along the sliding track 10 and reaches the pipe opening when it arrives at the through hole 7. The conveyor belt 8 penetrates out of the straight pipe 2 from the through hole 7. The conveyor belt 8 is wound around the coiling column 6 for one week. The coiling column 6 is provided with friction lines. The conveyor belt 8 is in a taut state, so that when the coiling column 6 rotates, the conveyor belt 8 moves accordingly.

[0024] See Figure 2-3, a sliding frame 14 is fixedly provided on the conveyor belt 8 which is located on the sliding track 10. The sliding frame 14 is slidably connected to the opening of the sliding track 10, so that the conveyor belt 8 is kept buried in the sliding track 10. An adjusting seat 11 is fixedly provided on the sliding frame 14. A cable tie 9 is fixedly provided on one side of the adjusting seat 11. The adjusting seat 11 is provided with a through insertion hole 12. A pull rod 13 is slidably provided on the adjusting seat 11. The cable tie 9 is inserted into the insertion hole 12 to form a loop for tying the cable, and is slidably connected to the pull rod 13 through the teeth. An elastic pad 15 is provided inside the adjusting seat 11 on the side of the pull rod 13 away from the cable tie 9. The shape of the teeth of the cable tie 9 is such that when the cable tie 9 is inserted, its teeth are in contact with the inclined plane of the teeth of the pull rod 13. Under the extrusion of the inclined plane, the elastic pad 15 enables the pull rod 13 to displace backward for the teeth of the cable tie 9 to pass through. When the cable tie 9 tends to be pulled out of the insertion hole 12, its teeth are in contact with the flat surface of the teeth of the pull rod 13, blocking the teeth of the cable tie 9.

[0025] The HPVC cable protection elbow with a guiding structure of the present utility model has a simple structure and is convenient to operate. It can guide the line through the elbow, prevent the line from accumulating in the bent pipe, has strong practicability and is suitable for popularization.

[0026] Specifically, when in use, referring to Figure 1-3 , when tying the cable with the cable tie 9, by pulling the cable tie 9 to make it pass through the insertion hole 12. During the contraction process of the cable tie 9, the teeth of the cable tie 9 are in contact with the inclined plane of the teeth of the pull rod 13 for the teeth to pass through. If the cable tie 9 is pulled in the reverse direction, the teeth on it are in contact with the flat surface of the teeth of the pull rod 13, causing a blockage to tighten the cable tie 9. After tying the cable on the cable tie 9, by rotating the coiling column 6 with the cable tie 9, the driven conveyor belt 8 moves. The conveyor belt 8 drives the cable on the cable tie 9 into the elbow and moves to the other end of the elbow. Pulling out the pull rod 13 can complete the release. Similarly, when the teeth of the pull rod 13 are aligned with the gap between the teeth of the cable tie 9, insert the pull rod 13 for the next operation.

[0027] The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A HPVC cable protection elbow with a guide structure, comprising an elbow pipe (1) and a straight pipe (2), wherein the two straight pipes (2) are fixedly installed at the ends of the elbow pipe (1), characterized in that: The bent pipe (1) is fixedly provided with a mounting frame (3) at the bend, a rotating shaft (4) is mounted on the mounting frame (3), a rotating handle (5) is fixedly provided at the upper end of the rotating shaft (4), and a winding column (6) is fixedly provided on the outer wall of the rotating shaft (4); A sliding track (10) is fixedly provided on the inner wall of the curved pipe (1) and the straight pipe (2) on one side close to the winding column (6); the sliding track (10) extends to the opening of the straight pipe (2) and is fixedly provided with a through hole (7); a conveyor belt (8) is slidably provided in the sliding track (10); the conveyor belt (8) passes through the straight pipe (2) from the through hole (7); and the conveyor belt (8) is located at the winding column (6) and is wound around for one circle; The conveyor belt (8) is located on a sliding track (10) and is fixedly provided with a sliding frame (14). The sliding frame (14) is slidably connected to the opening of the sliding track (10). An adjustment seat (11) is fixedly provided on the sliding frame (14). A cable tie (9) is fixedly provided on one side of the adjustment seat (11). A through insertion hole (12) is provided on the adjustment seat (11). A pulling rod (13) is slidably provided on the adjustment seat (11). The cable tie (9) is inserted into the insertion hole (12) and is slidably connected to the pulling rod (13) through a latching tooth.

2. The HPVC cable protection elbow with a guide structure according to claim 1 is characterized in that: The coiled column (6) is provided with friction patterns, and the conveyor belt (8) is in a taut state.

3. The HPVC cable protection elbow with a guide structure according to claim 1, characterized in that: An elastic pad (15) is provided in the adjustment seat (11) on the side of the pull rod (13) away from the cable tie (9); the shape of the latching teeth of the cable tie (9) is such that when the cable tie (9) is inserted, the elastic pad (15) fits with the latching teeth inclined surface of the pull rod (13); when the cable tie (9) tends to be pulled out of the insertion hole (12), the elastic pad (15) fits with the latching teeth plane of the pull rod (13).

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