Threading auxiliary device

Abstract

The utility model relates to the field of building internal circuit laying, in particular to a threading auxiliary device, which comprises a sleeve, a roller, a first support rod, a first clamping piece and a handle, and is characterized in that the front part and the rear part of the upper end of the sleeve are respectively provided with a guide chute; the first supporting rod is rotatably connected with a first rotating sleeve, the first clamping piece is fixedly connected with the first rotating sleeve, clamping grooves are formed in the side faces, close to each other, of the two sleeves, the clamping grooves are matched with the first clamping piece in a clamping mode, and the clamping grooves communicate with the guide sliding groove located in the front portion; a second rotating sleeve is rotationally connected to the outer wall of the lower portion of the sleeve, and a second clamping piece is fixedly connected to the outer wall of the second rotating sleeve. The clamping piece adopts a rotary connection mode and can be rotated and folded towards the inner side when not in use, so that the whole device is convenient to carry and store.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of building internal circuit laying, especially a threading auxiliary device. BACKGROUND

[0002] In the laying construction of building electrical wires, due to the complex building structure and more line pipes, the wires need to be threaded from the pipes to the groove boxes when threading the wires in the groove boxes, and the wires need to be pulled out in the groove boxes, which is laborious and easy to cause friction damage to the wire holes and wire pipe openings when pulling the wires, the wire insulation layer is scraped and damaged, and the service life of the wires is shortened. In the prior art, the utility model discloses a wire groove box threading device, which is pulled by a roller, is more labor-saving, and can also avoid friction damage of the wires to the wire holes and wire pipe openings. However, the front and rear clamping parts of the device are perpendicular to the main body structure, and the overall space occupied is large when carrying and storing, which is not conducive to carrying and storing. SUMMARY

[0003] Based on the above problems, the utility model aims to provide a threading auxiliary device, which adopts the following technical scheme:

[0004] The utility model provides a threading auxiliary device, which comprises two parallel arranged sleeves, a roller is arranged between the two sleeves, the end of the roller is rotatably connected with the sleeve, a first supporting rod is inserted into the upper end of the sleeve, a guide sliding groove is arranged at the front and rear parts of the upper end of the sleeve, a first clamping part is arranged in the guide sliding groove at the front part, a handle connecting rod is arranged in the guide sliding groove at the rear part, the handle connecting rod is fixed with the first supporting rod, the handle connecting rod on both sides is connected with a handle, a spring is arranged in the sleeve, one end of the spring is fixed, and the other end is in abutting cooperation with the first supporting rod.

[0005] A first rotating sleeve is rotatably connected to the first supporting rod, the first clamping part is fixedly connected with the first rotating sleeve, a clamping groove is arranged on one side of the two sleeves close to each other, the clamping groove is in clamping cooperation with the first clamping part, and the clamping groove is in communication with the guide sliding groove at the front part.

[0006] A second rotating sleeve is rotatably connected to the outer wall of the lower part of the sleeve, and a second clamping part is fixedly connected to the outer wall of the second rotating sleeve.

[0007] Preferably, the first clamping part and the second clamping part are provided with a plurality of anti-skid serrations on the side facing away from each other in the up-down direction.

[0008] Preferably, a first nut is fixed to the lower end of the sleeve, and a second supporting rod is threadedly connected to the first nut.

[0009] Preferably, the two ends of the roller are provided with a baffle ring.

[0010] Preferably, a reinforcing cross link is arranged between the two lower portions of the sleeve, and the ends of the reinforcing cross link are fixed to the sleeve.

[0011] Preferably, the upper and lower ends of the first rotating sleeve are provided with a first limiting ring, and the first limiting ring is fixed to the outer wall of the first supporting rod.

[0012] Preferably, the lower end of the second rotating sleeve is provided with a second limiting ring, the second limiting ring is fixed to the outer wall of the sleeve, the upper end of the second rotating sleeve is provided with a second nut, and the second nut is threadedly connected to the sleeve.

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

[0014] The clamping part adopts a rotary connection form, can be folded inwards when not in use, and facilitates carrying and storage of the whole device. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further described in connection with the drawings.

[0016] Figure 1 It is a structure schematic view of the utility model line auxiliary device unfolded state;

[0017] Figure 2 It is a structure schematic view of the utility model line auxiliary device folded state;

[0018] Figure 3 It is Figure 1 It is a local enlarged view of A in the middle;

[0019] Figure 4 It is Figure 1 It is a local enlarged view of B in the middle.

[0020] Mark 1, sleeve; 2, roller; 3, first supporting rod; 4, guide chute; 5, first clamping part; 6, handle connecting rod; 7, handle; 8, spring; 9, first rotating sleeve; 10, clamping groove; 11, second rotating sleeve; 12, second clamping part; 13, anti-skid sawtooth; 14, first nut; 15, second supporting rod; 16, baffle ring; 17, reinforcing cross link; 18, first limiting ring; 19, second limiting ring; 20, second nut. DETAILED DESCRIPTION

[0021] In order to make the technical problems, technical schemes and beneficial effects of the utility model to be solved more clear and obvious, the utility model will be further described in detail in connection with the drawings and examples.

[0022] As Figure 1 shown in the embodiment, the threading auxiliary device comprises two parallel arranged sleeves 1, a roller 2 is arranged between the two sleeves 1, the end of the roller 2 is rotationally connected with the sleeve 1, a first supporting rod 3 is inserted into the upper end of the sleeve 1, a guide sliding groove 4 is arranged on the front part and the rear part of the upper end of the sleeve 1, the guide sliding groove 4 is arranged axially along the outer wall of the sleeve 1, a first clamping part 5 is arranged in the guide sliding groove 4 on the front part, the first clamping part 5 can slide up and down along the guide sliding groove 4 with the first supporting rod 3, a handle connecting rod 6 is arranged in the guide sliding groove 4 on the rear part, the handle connecting rod 6 is fixed with the first supporting rod 3, the handle connecting rod 6 slides along the guide sliding groove 4 on the rear part to drive the first supporting rod 3 to extend and retract in the sleeve 1, the handle connecting rod 6 on both sides is connected with a handle 7. A spring 8 is arranged in the sleeve 1, one end of the spring 8 is fixed, and the other end is in abutting cooperation with the first supporting rod 3.

[0023] In order to reduce the occupied space of the whole device, the first clamping part 5 and the second clamping part 12 can be folded in the embodiment, specifically, a first rotating sleeve 9 is rotationally connected on the first supporting rod 3, the first clamping part 5 is fixedly connected with the first rotating sleeve 9, a clamping groove 10 is arranged on one side of the two sleeves 1 close to each other, the clamping groove 10 is clamped and matched with the first clamping part 5, and the clamping groove 10 is communicated with the guide sliding groove 4 on the front part. At the same time, a second rotating sleeve 11 is rotationally connected on the outer wall of the lower part of the sleeve 1, and a second clamping part 12 is fixedly connected on the outer wall of the second rotating sleeve 11.

[0024] As Figure 2 shown, when in use, the handle 7 is pulled downward to make the first supporting rod 3 retract, when the first clamping part 5 moves to the position of the clamping groove 10, the first clamping part 5 is rotated inwardly into the clamping groove 10, so that the folding of the first clamping part 5 is realized; at the same time, the second clamping part 12 is directly rotated inwardly, so that the folding of the second clamping part 12 is realized.

[0025] As Figure 3 shown, the first rotating sleeve 9 is provided with a first limiting ring 18 on both upper and lower ends, the first limiting ring 18 on the end part can prevent the first rotating sleeve 9 from sliding axially, and the first limiting ring 18 is fixed on the outer wall of the first supporting rod 3.

[0026] As Figure 4As shown, the lower end of the second rotating sleeve 11 is provided with a second limiting ring 19, the second limiting ring 19 is fixed on the outer wall of the sleeve 1, the lower end of the second rotating sleeve 11 abuts against the second limiting ring 19, the upper end of the second rotating sleeve 11 is provided with a second nut 20, the second nut 19 is threadedly connected with the sleeve 1. When the second nut 19 is screwed, the second nut 19 abuts against the upper end of the second limiting ring 19, so that the axial and circumferential directions of the second limiting ring 19 can be temporarily fixed by the second nut 19 (the circumferential rotation of the second limiting ring 19 can be temporarily fixed by the friction between the second nut 19 and the second limiting ring 19).

[0027] In the embodiment, the first clamping part 5 and the second clamping part 12 are provided with a plurality of anti-skid sawteeth 13 on the side facing away from each other in the up-down direction, when the first clamping part 5 and the second clamping part 12 abut against the inner wall of the junction box, the anti-skid sawteeth 13 can increase the stability of the whole device.

[0028] In the embodiment, the lower end of the sleeve 1 is fixed with a first nut 14, the first nut 14 is threadedly connected with a second supporting rod 15, the second supporting rod 15 and the first supporting rod 3 abut against the inner wall of the junction box respectively, so that the threading auxiliary device can adapt to the junction box with larger size.

[0029] In the embodiment, the both ends of the roller 2 are provided with a blocking ring 16, when the electric wire winds around the roller 2, the blocking rings 16 on both sides can block the electric wire, avoiding the electric wire from being clamped in the gap between the end of the roller 2 and the sleeve 1.

[0030] In the embodiment, the lower parts of the two sleeves 1 are provided with a reinforcing cross connecting rod 17, the end of the reinforcing cross connecting rod 17 is fixed with the sleeve 1.

[0031] The above-described embodiments are only used to describe the preferred modes of the present application, and do not limit the scope of the present application, under the premise of not departing from the design spirit of the present application, various modifications and improvements of the technical scheme of the present application made by the ordinary skilled in the art shall fall within the protection scope determined by the claims of the present application.

Claims

1. A threading auxiliary device, comprising two sleeve pipes (1) arranged in parallel, a roller (2) arranged between the two sleeve pipes (1), the end of the roller (2) being rotatably connected with the sleeve pipe (1), a first supporting rod (3) being inserted into the upper end of the sleeve pipe (1), a guide sliding groove (4) being arranged at the front and rear of the upper end of the sleeve pipe (1), a first clamping part (5) being arranged in the guide sliding groove (4) at the front, a handle connecting rod (6) being arranged in the guide sliding groove (4) at the rear, the handle connecting rod (6) being fixed with the first supporting rod (3), the handle connecting rod (6) at both sides being connected with a handle (7), a spring (8) being arranged in the sleeve pipe (1), one end of the spring (8) being fixed, the other end being in abutting cooperation with the first supporting rod (3). characterized in that A first rotating sleeve (9) is rotatably connected with the first supporting rod (3), the first clamping part (5) being fixedly connected with the first rotating sleeve (9), a clamping groove (10) being arranged at the side of the two sleeve pipes (1) close to each other, the clamping groove (10) being clamped and cooperated with the first clamping part (5), the clamping groove (10) being communicated with the guide sliding groove (4) at the front. A second rotating sleeve (11) is rotatably connected with the outer wall of the lower part of the sleeve pipe (1), a second clamping part (12) being fixedly connected with the outer wall of the second rotating sleeve (11).

2. The threading aid of claim 1, wherein: The first clamping part (5) and the second clamping part (12) are provided with a plurality of anti-skid serrations (13) on the side facing away from each other in the up-down direction.

3. The threading aid of claim 1, wherein: A first nut (14) is fixed with the lower end of the sleeve pipe (1), a second supporting rod (15) being threadedly connected with the first nut (14).

4. The threading aid of claim 1, wherein: A stop ring (16) is arranged at both ends of the roller (2).

5. The threading aid of claim 1, wherein: A reinforcing cross connecting rod (17) is arranged between the lower parts of the two sleeve pipes (1), the end of the reinforcing cross connecting rod (17) being fixed with the sleeve pipe (1).

6. The threading aid of claim 1, wherein: First limiting rings (18) are arranged at both ends of the first rotating sleeve (9), the first limiting rings (18) being fixed on the outer wall of the first supporting rod (3).

7. The threading aid of claim 1, wherein: A second limiting ring (19) is arranged at the lower end of the second rotating sleeve (11), the second limiting ring (19) being fixed on the outer wall of the sleeve pipe (1), a second nut (20) being arranged at the upper end of the second rotating sleeve (11), the second nut (19) being threadedly connected with the sleeve pipe (1).

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