Parallel groove clamp with clamping mechanism

Abstract

The utility model belongs to the field of parallel groove clamps, and particularly relates to a parallel groove clamp with a clamping mechanism, which comprises a parallel groove pipe, a hollow shell is fixedly connected inside the parallel groove pipe, the side wall of the hollow shell is provided with the clamping mechanism, the inside of the upper end of the hollow shell is connected with an adjusting rod through threads, and the upper end of the hollow shell is provided with a clamping mechanism. A ball head is fixedly connected to the end, located on the inner side of the hollow shell, of the adjusting rod, a disc is fixedly connected to the end, located on the outer side of the hollow shell, of the adjusting rod, a rotary knob is fixedly connected to the upper end of the disc, and an anti-loosening locking mechanism is arranged on the side edge of the disc. According to the utility model, the side of the adjusting rod is provided with the anti-loosening mechanism, the anti-loosening mechanism is internally provided with the locking pin which stretches out and draws back through the spring, and the locking pin can be inserted into the hollow shell under the action of elastic force, so that the adjusting rod can be locked and fixed, the loosening of the adjusting rod is prevented, and the stability of line clamping is further ensured; and loosening cannot easily occur.

Description

Technical Field

[0001] The utility model relates to the field of parallel groove wire clamps, in particular to a parallel groove wire clamp with a clamping mechanism. Background Art

[0002] Parallel groove clamps are used to connect aluminum stranded wires or steel-core aluminum stranded wires of small and medium cross-sections, as well as steel strands of overhead lightning conductors, at locations not subject to tension. They are also used for jumper connections on non-linear pole towers. For example, the invention patent application with publication number CN110970745A proposes a parallel groove clamp comprising a circular parallel groove pipe, the inner wall of which is provided with an inner pipe, the side of which is connected to a circular threaded pipe, the inner wall of which is provided with threads, the threaded pipe extending directly through the inner wall of the inner pipe, the threaded pipe being provided with bolts that mate with the threads, and the inner wall of the parallel groove pipe being provided with an arc-shaped fixed clamping plate, the concave surface of the fixed clamping plate facing the threaded pipe, and an arc-shaped movable clamping plate of the same size being provided opposite the fixed clamping plate.

[0003] However, the existing parallel groove clamps are mostly tightened with bolts, which are not only easy to loosen but also have poor applicability. Therefore, it is necessary to improve it. Utility Model Content

[0004] The utility model aims to provide a parallel groove wire clamp with a clamping mechanism, which solves the problem that the existing parallel groove wire clamps mostly adopt a bolt tightening method, which is not only easy to loosen but also has poor applicability.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a parallel groove wire clamp with a clamping mechanism, comprising a parallel groove tube, a hollow shell fixedly connected to the interior of the parallel groove tube, a clamping mechanism provided on the side wall of the hollow shell, an adjusting rod threadedly connected to the interior of the upper end of the hollow shell, a ball head fixedly connected to the end of the adjusting rod located on the inner side of the hollow shell, a disc fixedly connected to the end of the adjusting rod located on the outer side of the hollow shell, a knob fixedly connected to the upper end of the disc, and an anti-loosening locking mechanism provided on the side of the disc.

[0006] Preferably, the clamping mechanism includes a slide rod that passes through the hollow shell and is slidably connected to the hollow shell. The end of the slide rod located on the inner side of the hollow shell is fixedly connected to a ramp block, and the ramp block contacts the ball head. The end of the slide rod located on the outer side of the hollow shell is fixedly connected to a jacket, and the jacket is slidably connected to the inner side of the parallel groove tube. The outer side of the rod body of the slide rod is provided with a spring 1, one end of the spring 1 is fixedly connected to the ramp block, and the other end of the spring 1 is fixedly connected to the inner surface of the hollow shell. By setting up the clamping mechanism and cooperating with the parallel groove tube, the line can be clamped and fixed.

[0007] Preferably, a guide block is fixedly connected to the bottom of the jacket, and the guide block is slidably connected to the parallel groove pipe. The setting of the guide block has a guiding effect on the jacket.

[0008] Preferably, the anti-loosening locking mechanism includes a support plate fixedly connected to the disc, a locking pin slidably connected to the interior of the support plate, the lower end of the locking pin being plugged into the hollow shell, a retaining ring fixedly connected to the lower section of the pin body of the locking pin, and a second spring fixedly connected between the retaining ring and the support plate and located outside the locking pin. The provision of the anti-loosening locking mechanism prevents the adjusting rod from loosening.

[0009] Preferably, the upper end of the locking pin is fixedly connected to a connecting piece, and the connecting piece contacts the support plate, and the upper end of the connecting piece is fixedly connected to a pull ring. The arrangement of the connecting piece and the pull ring facilitates pulling the locking pin upward.

[0010] Preferably, a corrugated sleeve is fixedly connected to the upper end of the retaining ring and located outside the second spring, and the corrugated sleeve is fixedly connected to the support plate. The arrangement of the corrugated sleeve has a protective effect on the second spring.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0012] 1. The utility model sets a hollow shell inside the parallel groove pipe, sets a clamping mechanism on the side wall of the hollow shell, and then connects an adjusting rod with a ball head to the upper end of the hollow shell through a thread. The adjusting rod can generate a vertical downward displacement through the relative thread movement between the adjusting rod and the hollow shell, thereby pushing the inclined plane block in the clamping mechanism to move it laterally, and then the line is clamped and fixed by the cooperation of the clamping sleeve in the clamping mechanism and the parallel groove pipe. Moreover, the adjustability of the clamping sleeve has good applicability for lines of different thicknesses.

[0013] 2. The utility model provides an anti-loosening mechanism on the side of the adjusting rod. The anti-loosening mechanism contains a locking pin that is retracted and extended by a spring. The locking pin is inserted into the hollow shell under the action of elastic force, thereby locking and fixing the adjusting rod, thereby preventing the adjusting rod from loosening, further ensuring the stability of the line clamping and preventing it from loosening. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0015] Figure 2 For the utility model Figure 1 Front cross-sectional view of

[0016] Figure 3 For the utility model Figure 2 A three-dimensional diagram of the clamping mechanism structure;

[0017] Figure 4 For the utility model Figure 2 Enlarged view of the anti-loosening locking mechanism.

[0018] In the figure: 1. Parallel groove pipe; 2. Hollow shell; 3. Clamping mechanism; 4. Adjusting rod; 5. Ball head; 6. Disc; 7. Knob; 8. Anti-loosening locking mechanism; 31. Sliding rod; 32. Inclined block; 33. Jacket; 34. Spring 1; 35. Guide block; 81. Support plate; 82. Locking pin; 83. Retaining ring; 84. Spring 2; 85. Connecting piece; 86. Pull ring; 87. Corrugated sleeve. DETAILED DESCRIPTION

[0019] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] See also Figure 1-2 A parallel groove wire clamp with a clamping mechanism includes a parallel groove tube 1, a hollow shell 2 is fixedly connected to the inside of the parallel groove tube 1, an adjusting rod 4 is threadedly connected to the inside of the upper end of the hollow shell 2, a ball head 5 is fixedly connected to the end of the adjusting rod 4 located on the inner side of the hollow shell 2, a disc 6 is fixedly connected to the end of the adjusting rod 4 located on the outer side of the hollow shell 2, and a knob 7 is fixedly connected to the upper end of the disc 6.

[0021] See also Figure 1-3 The side wall of the hollow shell 2 is provided with a clamping mechanism 3. Through the setting of the clamping mechanism 3, the line can be clamped and fixed in cooperation with the parallel groove pipe 1. The clamping mechanism 3 includes a slide rod 31 that passes through the hollow shell 2 and is slidably connected to the hollow shell 2. The end of the slide rod 31 located on the inner side of the hollow shell 2 is fixedly connected to a ramp block 32, and the ramp block 32 contacts the ball head 5. The end of the slide rod 31 located on the outer side of the hollow shell 2 is fixedly connected to a jacket 33, and the jacket 33 is slidably connected to the inner side of the parallel groove pipe 1. The outer side of the rod body of the slide rod 31 is provided with a spring 34. One end of the spring 34 is fixedly connected to the ramp block 32, and the other end of the spring 34 is fixedly connected to the inner surface of the hollow shell 2. The bottom of the jacket 33 is fixedly connected to a guide block 35, and the guide block 35 is slidably connected to the parallel groove pipe 1. The setting of the guide block 35 has a guiding effect on the jacket 33.

[0022] See also Figure 1 、 Figure 2 、 Figure 4The side of the disc 6 is provided with an anti-loosening locking mechanism 8. The anti-loosening locking mechanism 8 includes a support plate 81 fixedly connected to the disc 6. A locking pin 82 is slidably connected to the interior of the support plate 81. The lower end of the locking pin 82 is plugged into the hollow shell 2. A retaining ring 83 is fixedly connected to the lower section of the pin body of the locking pin 82. A spring 2 84 is fixedly connected between the retaining ring 83 and the support plate 81 and located on the outside of the locking pin 82. The provision of the anti-loosening locking mechanism 8 prevents the adjusting rod 4 from loosening. A connecting piece 85 is fixedly connected to the upper end of the locking pin 82, and the connecting piece 85 contacts the support plate 81. A pull ring 86 is fixedly connected to the upper end of the connecting piece 85. The provision of the connecting piece 85 and the pull ring 86 facilitates the upward pulling of the locking pin 82.

[0023] The upper end of the retaining ring 83 and the outer side of the second spring 84 are fixedly connected with a corrugated sleeve 87, and the corrugated sleeve 87 is fixedly connected to the support plate 81. The arrangement of the corrugated sleeve 87 has a protective effect on the second spring 84.

[0024] The specific implementation process of the present utility model is as follows: when in use, the line is passed between the parallel groove pipe 1 and the jacket 33, and then the locking pin 82 is pulled upward by the pull ring 86, so that the locking pin 82 is disengaged from the hollow shell 2, thereby releasing the restriction on the adjusting rod 4, and then the state of the locking pin 82 is maintained, and the adjusting rod 4 is rotated by the knob 7. The adjusting rod 4 moves downward through the relative threaded movement between it and the hollow shell 2. At this time, the ball head 5 at the end of the adjusting rod 4 squeezes the inclined block 32 and subjects it to a lateral thrust, thereby causing the jacket 33 to move laterally, and then the jacket 33 and the parallel groove pipe 1 clamp and fix the line, and finally release the pull ring 86, and the locking pin 82 is reset under the action of the spring 2 84 and reinserted into the hollow shell 2, so that the adjusting rod 4 can be locked and fixed, thereby preventing the adjusting rod 4 from loosening, further ensuring the stability of the line clamping, and not easy to loosen.

[0025] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A parallel groove clamp with a clamping mechanism, comprising a parallel groove tube (1), characterized in that: The interior of the parallel groove pipe (1) is fixedly connected to a hollow shell (2), a side wall of the hollow shell (2) is provided with a clamping mechanism (3), an upper end of the hollow shell (2) is internally connected to an adjusting rod (4) via a thread, an end of the adjusting rod (4) located inside the hollow shell (2) is fixedly connected to a ball head (5), an end of the adjusting rod (4) located outside the hollow shell (2) is fixedly connected to a disc (6), an upper end of the disc (6) is fixedly connected to a knob (7), and an anti-loosening locking mechanism (8) is provided on the side of the disc (6).

2. The parallel groove clamp with a clamping mechanism according to claim 1, characterized in that: The clamping mechanism (3) includes a slide rod (31) that passes through the hollow shell (2) and is slidably connected to the hollow shell (2); one end of the slide rod (31) located on the inner side of the hollow shell (2) is fixedly connected to a bevel block (32), and the bevel block (32) contacts the ball head (5); one end of the slide rod (31) located on the outer side of the hollow shell (2) is fixedly connected to a jacket (33), and the jacket (33) is slidably connected to the inner side of the parallel groove tube (1); a spring (34) is provided on the outer side of the rod body of the slide rod (31); one end of the spring (34) is fixedly connected to the bevel block (32), and the other end of the spring (34) is fixedly connected to the inner surface of the hollow shell (2).

3. The parallel groove clamp with a clamping mechanism according to claim 2, characterized in that: A guide block (35) is fixedly connected to the bottom of the jacket (33), and the guide block (35) is slidably connected to the parallel groove pipe (1).

4. The parallel groove clamp with a clamping mechanism according to claim 1, characterized in that: The anti-loosening locking mechanism (8) includes a support plate (81) fixedly connected to the disc (6), a locking pin (82) is slidably connected inside the support plate (81), the lower end of the locking pin (82) is plugged into the hollow shell (2), a retaining ring (83) is fixedly connected to the lower section of the pin body of the locking pin (82), and a spring 2 (84) is fixedly connected between the retaining ring (83) and the support plate (81) and located on the outside of the locking pin (82).

5. The parallel groove clamp with a clamping mechanism according to claim 4, characterized in that: The upper end of the locking pin (82) is fixedly connected to a connecting piece (85), and the connecting piece (85) is in contact with the support plate (81). The upper end of the connecting piece (85) is fixedly connected to a pull ring (86).

6. The parallel groove clamp with a clamping mechanism according to claim 4, characterized in that: A corrugated sleeve (87) is fixedly connected to the upper end of the retaining ring (83) and located outside the second spring (84), and the corrugated sleeve (87) is fixedly connected to the support plate (81).

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