Bolt wiring device

Abstract

The utility model is applied to the field of electric power systems, in particular to a bolt wiring device, which comprises a wiring mechanism used for connecting an external lead and a locking mechanism used for connecting a wiring bolt, and the locking mechanism comprises a conical connecting sleeve and a conical tightening hole arranged on a device body. The bolt and the wire are connected through the conical connecting sleeve and the conical tightening hole, so that the stability of wire connection is ensured, and the adjustability of the wire connection angle is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric power tool technical field, concretely relates to a bolt wiring device. BACKGROUND

[0002] The bolt wiring device is an electric power tool for fixing and electrically connecting external wires and wiring bolts, generally comprising a locking mechanism for fixing and connecting wiring bolts and a wiring mechanism for fixing and connecting wires. The locking mechanism of the traditional wiring device generally only relies on single threaded connection, and the problem of loosening is likely to occur after multiple uses. Moreover, the distance between the multiple bolts is short, leaving little space for the rotation of the wiring device, which makes the bolt wiring device extremely inconvenient to assemble and disassemble. The end of the wiring mechanism of the traditional wiring device is directly pressed on the wire by the bolt, which is likely to cause damage to the wire. The increased resistance of the damaged wire may cause local heating and even electric power accidents. SUMMARY

[0003] The utility model aims at providing a bolt wiring device that is stable in connection with the wiring bolt, easy to assemble and disassemble, protects the external wire, and increases the contact area of the wire, to solve the problems of unstable connection, inconvenient assembly and disassembly, and easy damage to the wire of the existing bolt wiring device. The technical scheme adopted is as follows:

[0004] The bolt wiring device comprises a metal wiring device body, a wiring mechanism for connecting external wires, and a locking mechanism for connecting wiring bolts. The locking mechanism comprises a tapered connecting sleeve and a tapered constricting hole provided on the device body. The tapered connecting sleeve is coaxially arranged in the tapered constricting hole. Two opposite rectangular sliding channels are formed on the inner wall of the constricting hole. A ring groove is formed at the bottom of the sliding channel, and the sliding channel is communicated with the ring groove.

[0005] A through hole is formed at the bottom of the tapered constricting hole. The tapered connecting sleeve is an integrated tapered sleeve. The upper part of the tapered connecting sleeve is composed of multiple elastic connecting pieces. The multiple elastic connecting pieces have gaps between them. The taper of the upper part of the tapered connecting sleeve is larger than that of the tapered constricting hole. A threaded hole is formed in the interior of the tapered connecting sleeve. The same threaded holes are also formed in the interiors of the multiple elastic connecting pieces. Two sliding blocks are formed on the sidewall of the tapered connecting sleeve. The size of the sliding blocks is consistent with that of the sliding channels and the ring groove. When the sliding blocks move downward through the sliding channels, the tapered constricting hole gradually squeezes the multiple elastic connecting pieces of the tapered connecting sleeve. The gaps between the multiple elastic connecting pieces gradually decrease, thereby clamping the wiring bolt.

[0006] Preferably, when the sliding blocks continue to slide into the ring groove, the tapered constricting hole completely squeezes the elastic connecting pieces. At this time, the wiring device body is rotated, so that the sliding blocks rotate in the ring groove.

[0007] Preferably, the bottom of the annular groove is provided with a plurality of circular grooves uniformly distributed in the circumferential direction, the top of the sliding block is provided with a column groove, the bottom of the column groove is provided with a spring, and the top of the spring is provided with a ball which can slide into and out of the circular groove.

[0008] Preferably, the three elastic connecting pieces are uniformly distributed along the circumferential direction of the tapered compression sleeve.

[0009] Preferably, the outer side wall of the tapered compression sleeve is provided with two opposite sliding blocks which are consistent in size, located on the same horizontal line, and both perpendicular to the outer side wall of the tapered compression sleeve.

[0010] Preferably, the wiring mechanism comprises a fastening bolt and a wiring hole provided on the body of the wiring device for inserting the wire, the fastening bolt is threadedly connected with the threaded hole, one end of the fastening bolt extends into the wiring hole and presses on the gasket, and the gasket presses on the wire.

[0011] Preferably, the fastening bolt presses on the gasket after extending into the wiring hole.

[0012] Preferably, the inner diameter of the wiring hole gradually increases from outside to inside, thereby effectively avoiding the loosening and pulling out of the wire from the wiring hole.

[0013] Preferably, the inner wall of the gasket is provided with a protruding rib embedded in the inside of the wire to increase the friction.

[0014] Compared with the prior art, the bolt wiring device has the following beneficial effects:

[0015] First, the threads of the tapered connecting sleeve are connected with the wiring bolt, and then the metal tapered connecting cylinder and the constricting hole are matched with each other, the three elastic connecting pieces of the tapered compression sleeve are inwardly pressed and tightly hold the bolt wiring stud through the constricting hole, so that the tapered compression sleeve and the wiring bolt are in a locked state, the connection is firm, and the stress is uniform.

[0016] The tapered connecting sleeve is of an integral structure, has better overall structural strength, and reduces the parts.

[0017] The side wall of the tapered connecting sleeve is provided with a sliding block which is matched with the side wall sliding groove of the constricting hole and slides to the bottom annular groove, and after rotating by a certain angle, the upward displacement of the metal tapered connecting cylinder is limited and the adjustment of the angle is ensured, so that the cooperation between the sleeve and the constricting hole is tight and firm.

[0018] The wire hole in the wiring structure adopts a boss-shaped hole, the diameter of the hole gradually increases from the end to the inside of the hole, the internal space is larger, the wire is in full contact with the inner wall of the wire hole, and the end diameter is small, which can effectively increase the resistance of the wire to loosen outward.

[0019] The gasket is arranged between the fastening bolt of the wiring mechanism and the wire, and the gasket increases the acting area of the fastening bolt on the wire, prevents the bolt from directly contacting the wire and damaging the wire, and the inner wall of the gasket is provided with a convex rib, which effectively increases the contact interface between the gasket and the wire, thereby reducing the contact resistance of the wire.

[0020] The concept, specific structure and effects of the utility model will be further described below in combination with the drawings, so as to fully understand the purpose, features and effects of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a structural schematic view of the bolt wiring device of the utility model;

[0022] Figure 2 is a structural schematic view of the bolt wiring device of the utility model;

[0023] Figure 3 is Figure 1 a structural schematic view of the medium pressure sleeve;

[0024] Figure 4 is Figure 1 a structural schematic view of the gasket.

[0025] Among them: the bolt wiring device body 1, the locking mechanism 2, the conical connecting sleeve 3, the fastening bolt 4, the wiring mechanism 5, the gasket 6, the wire hole 7, the ring groove 9, the slide 10, the ring groove 11, the wiring mechanism 9, the conical compression hole 10, the ring groove 11, the bottom end of the conical connecting sleeve 12, the elastic connecting piece 13, the gap 14, the gasket 15, the convex rib 16. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model will be further described in detail below in combination with specific embodiments and with reference to the drawings.

[0027] For example, Figures 1-4As shown, the bolt connection device body 1 includes a locking mechanism 2 and a wiring mechanism 5, the locking mechanism 2 includes a tapered connecting sleeve 3, a tapered compression hole 8, a slide 10 and a ring groove 11, the metal tapered connecting sleeve 3 is coaxially arranged in the tapered compression hole 8, the bottom of the tapered compression hole 8 is provided with a through hole, the tapered connecting sleeve 3 is an integral tapered sleeve, the upper part of which is composed of a plurality of elastic connecting pieces 13, the plurality of elastic connecting pieces 13 have gaps between them, and the taper of the upper part of the tapered connecting sleeve 3 is larger than that of the tapered compression hole 8; a threaded hole is formed in the inside of the tapered connecting sleeve 3, and the same threaded hole is also provided in the inside of the plurality of elastic connecting pieces; two sliding blocks are formed on the side wall of the tapered connecting sleeve 3, and the size of the sliding blocks is consistent with that of the slide 10 and the ring groove 11; when the sliding blocks move downward through the slide 10, the tapered compression hole 8 will gradually press the plurality of elastic connecting pieces 13 of the tapered connecting sleeve 3, the gap 14 between the plurality of elastic connecting pieces will gradually decrease, thereby clamping the bolt. After the sliding blocks continue to slide into the ring groove 11, the tapered compression hole 8 completely presses the elastic connecting pieces, at this time, rotating the bolt connection device body 1, the sliding blocks rotate in the ring groove 11 at the same time, the connection stability is increased, and the orientation of the bolt connection device body 1 can be changed. A plurality of circular grooves are uniformly arranged on the bottom of the ring groove 11 in the circumferential direction, a column groove is arranged on the top of the sliding block, a spring is arranged at the bottom of the column groove, a ball is arranged at the top of the spring, and the ball can slide into and out of the circular groove, thereby stabilizing the orientation of the bolt connection device body 1.

[0028] The wiring mechanism 5 includes three fastening bolts 4, a gasket 6 and a wire hole 7, the inner diameter of the wire hole 7 decreases from left to right in sequence, so that the wire inserted into the wire hole 7 can fully expand, and the outer wall above the wire hole 7 is provided with three threaded holes with diameters gradually decreasing from left to right, the diameters of the three fastening bolts 4 decrease in sequence, and the three threaded holes are matched with the three fastening bolts in sequence, the upper inner wall of the wire hole 7 is provided with a gasket 7, after the three fastening bolts are inserted into the wire hole 7, they are in turn abutted against the three different size strip grooves 15 of the gasket 7, so that the gasket 7 can fully contact with the wire, the inner wall of the gasket 7 is provided with three convex edges 16, the sizes of the three convex edges 16 gradually increase from right to left; after the three convex edges 16 abut against the strip grooves 15, they fully contact with the wire and press the wire to the inner wall of the wire hole, at the same time, the contact resistance is reduced and the damage of the wire by the bolt is reduced.

[0029] As a preferred scheme, in order to avoid that the three strip grooves 15 of the gasket 7 cannot be fully abutted against the fastening bolts due to the insertion of the wire, one of the three fastening bolts can be clamped with the corresponding strip groove 15 first, then the wire is inserted, and finally the remaining bolts are abutted against the corresponding strip grooves.

[0030] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modifications, equivalent replacements, and other embodiments obtained by modifying the present application without any creative labor are intended to be within the protective scope of the present application.

Claims

1. A bolt-on wiring device, characterized by: The utility model relates to a metal wiring device body, the wiring device body includes a wiring mechanism for connecting external wires and a locking mechanism for connecting wiring bolts, the locking mechanism includes a tapered connecting sleeve and a tapered compression hole provided on the device body, the tapered connecting sleeve is coaxially arranged in the tapered compression hole, two opposite rectangular slides are formed on the inner wall of the tapered compression hole, and a ring groove is formed at the bottom of the slides, and the slides are communicated with the ring groove. The bottom of the tapered compression hole is provided with a through hole, the tapered connecting sleeve is an integrated tapered sleeve, the upper part of the tapered connecting sleeve is composed of multiple elastic connecting pieces, gaps are formed between the multiple elastic connecting pieces, and the taper of the upper part of the tapered connecting sleeve is larger than that of the tapered compression hole; a threaded hole is formed in the interior of the tapered connecting sleeve, and the same threaded holes are also formed in the interiors of the multiple elastic connecting pieces; two sliders are formed on the side wall of the tapered connecting sleeve, the sizes of the sliders are consistent with those of the slides and the ring groove, when the sliders move downward through the slides, the tapered compression hole gradually extrudes the multiple elastic connecting pieces of the tapered connecting sleeve, the gaps between the multiple elastic connecting pieces gradually decrease, and the multiple elastic connecting pieces clamp the wiring bolts.

2. The bolted connection of claim 1, wherein: When the sliders continue to slide into the ring groove, the tapered compression hole completely extrudes the elastic connecting pieces, at this time, the wiring device body is rotated, and the sliders rotate in the ring groove.

3. The bolted connection of claim 1, wherein: The bottom of the ring groove is uniformly provided with multiple circular grooves in the circumferential direction, a column groove is formed on the top of the slider, a spring is arranged at the bottom of the column groove, a ball is arranged at the top of the spring, and the ball can slide into and out of the circular groove.

4. The bolted connection of claim 1, wherein: The three elastic connecting pieces are uniformly distributed in the circumferential direction of the tapered connecting sleeve.

5. The bolted connection of claim 1, wherein: The outer side wall of the tapered connecting sleeve is provided with two opposite sliders, the sizes of the two sliders are consistent, the two sliders are on the same horizontal line, and the two sliders are perpendicular to the outer side wall of the tapered connecting sleeve.

6. The bolted connection of claim 1, wherein: The wiring mechanism includes a fastening bolt and a wiring hole provided on the wiring device body for inserting wires, the fastening bolt is threadedly connected with the threaded hole, one end of the fastening bolt extends into the wiring hole and presses on a gasket, and the gasket presses on the wire.

7. The bolted connection of claim 6, wherein: The fastening bolt extends into the wiring hole and presses on the gasket.

8. The bolted connection of claim 6, wherein: The inner diameter of the wiring hole gradually increases from the outside to the inside.

9. The bolted connection of claim 6, wherein: The inner wall of the gasket is provided with a convex rib embedded in the interior of the wire.

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