CN213341452U

CN213341452U - Quick threading device for electrical engineering

Info

Publication number: CN213341452U
Application number: CN202022450472.0U
Authority: CN
Inventors: 王仁永
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-06-01
Anticipated expiration: 2030-10-29

Abstract

The utility model provides a quick threading device for electrical engineering, includes pipeline (1), band wire and cable (2), the threading device includes toper casing (3), and through-hole (31) have been seted up along its central axis in toper casing (3), swing joint has the body of rod (5) in through-hole (31), be provided with one-way tooth (52) on the body of rod (5), install lever (32) in toper casing (3), one-way tooth (52) and the one end meshing of lever (32), place cable (2) between toper body (51) and toper casing (3) inner wall, when the band wire drives the body of rod (5) and outwards removes, toper body (51) extrusion cable (2) make its and toper casing (3) inner wall in close contact with. The cable is avoided receiving the friction damage in toper casing (3), and body of rod (5) drive cone (51) extrusion cable (2) and the inner wall in close contact with of toper casing (3), and cable (2) adopt the insertion mode to be connected with threading device, and is easy and simple to handle efficient.

Description

Quick threading device for electrical engineering

Technical Field

The utility model relates to an electrical engineering equipment technical field, concretely relates to electrical engineering is with quick threading device.

Background

Building electric circuit is laid, generally all is the mode that adopts pre-buried spool, then stretches into the spool with the tape yarn and stretches out from another, and the tape yarn compares the cable, has better pliability, can easily pass various complicated return bends, then through the tape yarn connecting cable, will take out the tape yarn again, the cable just is worn into in the spool.

At present, wear the cable operation, when the steel wire guide cable threading as the beltline is passed through to needs, generally with cable one end ligature in the one end of steel wire, then draw the steel wire from the other end of steel wire, thereby draw the cable in the spool, but ordinary threading machine is all worn out it through direct drag cable, such mode can make the epidermis of cable can with the inner wall contact of building pipeline, and because cement is to the pressure effect of spool, the inner wall of building pipeline can not guarantee smoothly, its shape is also not necessarily regular, the cable can receive frictional force or even wearing and tearing at wherein removing, and for once succeeding in, it is firm to ensure cable and beltline ligature, this time that has also greatly increased the threading, and the work efficiency is reduced. At present, a quick threading device is urgently needed, so that the situation that the cable and the belt line are connected and are damaged by friction when moving in a pipeline can be avoided, the cable and the belt line connection mode are simplified, and the threading efficiency is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a novel quick threading device for electrical engineering utilizes the conical shell as the safety cover when removing in the pipeline, receives the friction damage when avoiding the cable to be connected in the pipeline with the band wire and removing, and the body of rod drives the inner wall in close contact with of conical shell extrusion cable and conical shell, prevents through the meshing of one-way tooth and lever that the cable pine from taking off, and the cable adopts the plug-in mode to be connected with threading device, and is easy and simple to handle, efficient.

The technical scheme of the utility model as follows:

the utility model provides a quick threading device for electrical engineering, includes pipeline, area line and cable, the end-to-end connection of area line has threading device, threading device connecting cable, threading device includes the toper casing, the through-hole has been seted up along its central axis to the toper casing, swing joint has the body of rod in the through-hole, the point portion that toper casing was stretched out to body of rod one end is connected with the area line, the body of rod other end is connected with the conical body, be provided with one-way tooth on the body of rod, install the lever in the toper casing, the one end meshing of one-way tooth and lever, the other end and the spring coupling of lever, the spring is fixed in the toper casing, place the cable between conical body and toper casing inner wall, when the area line drives the body of rod and outwards removes, conical body extrusion cable makes its and toper casing inner wall.

Further, in order to improve the integration level of the threading device, the tail of the conical shell is further connected with a hemispherical shell, the conical shell and the hemispherical shell are of an integrated or split structure, and the hemispherical shell is provided with a plurality of cable holes. Connect the device as an organic whole with the band wire, alright directly stretch into the pipeline, rely on the hemisphere casing to clear up the barrier to the inner wall of pipeline, the hemisphere structure can make the band wire advance more smoothly, this also is the advantage that does not possess in only stretching into the pipeline with the band wire.

Further, in order to separate the inlet wire route of cable and conical body, make cable insertion convenient and fast, trompil in the middle of the hemispherical shell is connected with an isolation cylinder, the diameter of isolation cylinder is greater than the maximum diameter of conical body, when the body of rod removed in to the conical shell, the afterbody of conical body stretches out the hemispherical shell from the isolation cylinder, and it is more convenient that the cable inserts.

Preferably, the bottom surface of the tail part of the conical body is a spherical surface, and the diameter of the spherical surface is equal to that of the hemispherical shell. The afterbody and the hemisphere casing constitution hemispherical structure of conical body, the device with take the line to connect to stretch into the pipeline together, rely on hemispherical structure to clear up the inner wall of pipeline, it is smooth and easy to advance moreover.

In order to ensure smooth cable inlet, the distance between the isolation cylinder and the inner wall of the conical shell is greater than the diameter of the cable.

Preferably, the distance between the isolation cylinder and the inner wall of the conical shell is 1.1 to 1.5 times of the diameter of the cable.

Furthermore, a plurality of cable holes are formed in the hemispherical shell around the isolation cylinder.

In a preferred embodiment, six cable holes are formed in the hemispherical shell around the isolating cylinder.

According to the quick threading device for electrical engineering, the conical surface of the conical body is parallel to the inner wall of the conical shell, so that the conical body can extrude a cable to be in close contact with the inner wall of the conical shell.

In a further improved scheme, the conical surface of the conical body is provided with anti-slip teeth which can clamp the cable.

The utility model discloses for prior art gained beneficial effect lie in:

the utility model discloses quick threading device utilizes the conical shell as the safety cover when moving in the pipeline, receives the friction damage when avoiding cable and beltline junction to move in the pipeline, and the body of rod drives the conical body and extrudes the cable and closely contacts with the inner wall of conical shell, prevents through the meshing of one-way tooth and lever that the cable takes off, and the cable adopts the plug-in mode to be connected with threading device, easy and simple to handle, efficient; the tail part of the conical body and the hemispherical shell form a hemispherical structure, and the inner wall of the pipeline is cleared by the hemispherical structure, so that the strip line can move more smoothly; the conical surface of the conical body is parallel to the inner wall of the conical shell, so that the conical body can extrude the cable to be in close contact with the inner wall of the conical shell; the anti-skidding teeth are arranged on the conical surface of the conical body, so that the cable can be clamped.

Drawings

The aspects and advantages of the present application will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention.

In the drawings:

fig. 1 is a cross-sectional view showing a connection between a quick threading device for electrical engineering and a cable according to embodiment 1;

FIG. 2 is a sectional view of a conical shell and a spherical shell in example 1;

FIG. 3 is a schematic structural view of a spherical shell in example 1;

FIG. 4 is a schematic sectional view of a rod body and a taper body in example 1;

FIG. 5 is a schematic cross-sectional view of a hemispherical structure composed of a conical body and a hemispherical shell according to example 1;

fig. 6 is a schematic structural view of a quick threading device for electrical engineering in a pipeline in embodiment 1.

The components represented by the reference numerals in the figures are:

1. pipeline, 2, cable, 3, conical shell, 31, through hole, 32, lever, 33, spring, 4, hemispherical shell, 41, cable hole, 42, isolation cylinder, 5, rod body, 51, conical body, 52, one-way tooth, 53 and anti-slip tooth.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. It should be noted that these embodiments are provided so that this disclosure can be more completely understood and fully conveyed to those skilled in the art, and the present disclosure may be implemented in various forms without being limited to the embodiments set forth herein.

Example 1

Referring to fig. 1, fig. 1 is a cross-sectional view of a quick threading device for electrical engineering in this embodiment 1, the quick threading device includes a pipe 1, a strip line and a cable 2, an end of the strip line is connected to a threading device, the threading device is connected to the cable 2, the threading device includes a conical housing 3, the conical housing 3 is provided with a through hole 31 along a central axis thereof, a rod 5 is movably connected in the through hole 31, a tip of one end of the rod 5 extending out of the conical housing 3 is connected to the strip line, the other end of the rod 5 is connected to a conical body 51, the rod 5 is provided with a one-way tooth 52, a lever 32 is installed in the conical housing 3, the one-way tooth 52 is engaged with one end of the lever 32, the other end of the lever 31 is connected to a spring 33, the spring 33 is fixed in the conical housing 3, the cable 2 is placed between the conical, when the strip line drives the rod body 5 to move outwards, the conical body 51 extrudes the cable 2 to make the cable closely contact with the inner wall of the conical shell 3.

General way only stretches out the area line and stretches out from another with the spool, is connected with cable 2 again, considers that there may be some waste material residues in the pipeline 1, and the pipeline 1 inner wall has produced deformation even by cement pressure, and the too big wearing and tearing that can lead to of frictional force when cable 2 passes, refer to fig. 1 to 4, for the integrated level that improves threading device, make it have the function of obstacles removing, the afterbody of toper casing 3 still is connected with hemisphere casing 4, toper casing 3 and hemisphere casing 4 formula structure as an organic whole, six cable holes 41 have been seted up on hemisphere casing 4. Connect the device as an organic whole with the band wire, alright directly stretch into pipeline 1, rely on hemispherical shell 4 to clear up the barrier to the inner wall of pipeline 1, the hemispherical structure can make the band wire advance more smoothly, this also is the advantage that does not possess in only stretching into pipeline 1 with the band wire.

Referring to fig. 3 to 5, further, in order to separate the incoming line path of the cable 2 from the conical body 51, so as to insert the cable 2 conveniently and quickly, the opening is formed in the middle of the hemispherical shell 4 and the isolating cylinder 42 is connected, the diameter of the isolating cylinder 42 is greater than the maximum diameter of the conical body 51, when the rod body 5 moves into the conical shell 3, the tail of the conical body 51 extends out of the hemispherical shell 4 from the isolating cylinder 42, the conical body 51 is separated from the inner wall of the conical shell 3 by a distance, so that the cable 2 can be inserted more conveniently, and meanwhile, considering that waste residues can enter the device from the cable hole 41, the design of the isolating cylinder 42 is just convenient for cleaning the residues.

In this embodiment, the bottom surface of the tail of the conical body 51 is a spherical surface, and the diameter of the spherical surface is equal to the diameter of the hemispherical shell 4. The cone 51 moves to the tail of the cone shell 3 and forms a hemispherical structure with the hemispherical shell 4, the device and the strip line are connected and extend into the pipeline 1 together, the inner wall of the pipeline 1 is cleared by the hemispherical structure, and the advancing is smooth. It should be noted that the belt line connects the rod body 5 and the conical body 51, the belt line pushes the conical body 51 to move forward, when the tail of the conical body 51 and the semispherical structure formed by the semispherical shell 4 are impacted, the semispherical shell 4 will not slide relative to the conical body 51 because of the engagement of the one-way tooth 52 and the lever 32, the semispherical structure can keep its shape, the whole device is in the shape of a water drop, and the resistance to movement and retraction in the pipeline 1 is very small; after the device is connected with a cable 2, the belt line is firstly pulled back, when the belt line drives the rod body 5 to move outwards relative to the conical shell 3, the one-way teeth 52 stir the meshing end of the lever 32, and after the conical body 51 extrudes the cable 2 to enable the cable 2 to be tightly contacted with the inner wall of the conical shell 3, the rod body 5 cannot move reversely due to the meshing of the one-way teeth 52 and the lever 32 caused by the elastic force of the spring 33, so that the conical body 51, the cable 2 and the inner wall of the conical shell 3 are kept in tight contact.

Referring to fig. 2, 5 and 6, the lever 32 is installed in the conical shell 3, and one end of the lever 32 connected to the spring 33 is pressed to lift the other end of the lever 32, so that the one-way tooth 52 of the rod 5 is separated from the lever 32, the rod 5 can move in the opposite direction until the tail of the conical body 51 and the hemispherical shell 4 form a hemispherical structure, and one end of the lever 32 connected to the spring 33 is not pressed. The engagement structure of the one-way tooth 52 and the lever 32 enables the rod 5 to move only upward relative to the conical shell 3, so that the more tight the pulling is, the more the end of the lever 32 connected with the spring 33 is pressed to lift the other end of the lever 32 to remove the engagement, and then the rod 5 can move downward relative to the conical shell 3.

In order to ensure smooth wire inlet of the cable 2 and avoid the influence of the isolation cylinder 42 on the insertion of the cable 2, the distance from the isolation cylinder 42 to the inner wall of the conical shell 3 is greater than the diameter of the cable 2.

Preferably, in the present embodiment, the distance from the isolation cylinder 42 to the inner wall of the conical housing 3 is 1.1 times the diameter of the cable 2.

In a preferred embodiment, six cable holes 41 are formed in the hemispherical shell 4 around the insulation cylinder 42.

Referring to fig. 1, the conical surface of the conical body 51 is parallel to the inner wall of the conical shell 3, which ensures that the conical body 51 presses the cable 2 to make close contact with the inner wall of the conical shell 3.

Referring to fig. 1 and 4, in a further modified version, the tapered surface of the conical body 51 is provided with anti-slip teeth 53, which can grip the cable 2, and prevent slip and drop, and the anti-slip teeth 53 are distributed around the entire tapered surface, while the one-way teeth 52 in this embodiment are only arranged at the engagement portion with the lever 32, and can also be distributed around the entire rod body 5.

According to the scheme of the embodiment, the conical shell 3 is used as a protective cover when the conical shell moves in the pipeline 1, the situation that the cable and the strip line connecting part are damaged due to friction when the cable and the strip line connecting part move in the pipeline is avoided, the rod body 5 drives the conical body 51 to extrude the cable 2 to be in close contact with the inner wall of the conical shell 3, the cable 2 is prevented from loosening through the meshing of the one-way teeth 52 and the lever 32, the cable 2 is connected with the threading device in an insertion mode, the operation is simple and convenient, and the; the tail part of the conical body 51 and the hemispherical shell 4 form a hemispherical structure, and the inner wall of the pipeline 1 is cleared by the hemispherical structure, so that the strip line can move more smoothly; the conical surface of the conical body 51 is parallel to the inner wall of the conical shell 3, so that the conical body 51 can extrude the cable 2 to be in close contact with the inner wall of the conical shell 3; the conical surface of the conical body 51 is provided with anti-slip teeth 53 which can clamp the cable 2.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a quick threading device for electrical engineering, includes pipeline (1), area line and cable (2), the end-to-end connection of area line has threading device, threading device connecting cable (2), its characterized in that, threading device includes conical shell (3), conical shell (3) have seted up through-hole (31) along its central axis, swing joint has the body of rod (5) in through-hole (31), the sharp portion that conical shell (3) were stretched out to body of rod (5) one end is connected with the area line, the body of rod (5) other end is connected with conical body (51), be provided with one-way tooth (52) on the body of rod (5), install lever (32) in conical shell (3), one end meshing of one-way tooth (52) and lever (32), the other end and the spring (33) of lever (32) are connected, and spring (33) are fixed in conical shell (3), place cable (2) between cone (51) and conical shell (3) inner wall, when the tape spool drove the body of rod (5) and outwards removed, cone (51) extrusion cable (2) make its and conical shell (3) inner wall in close contact with.

2. The quick threading device for electrical engineering according to claim 1, wherein the tail of the conical shell (3) is further connected with a hemispherical shell (4), the conical shell (3) and the hemispherical shell (4) are of an integrated or split structure, and the hemispherical shell (4) is provided with a plurality of cable holes (41).

3. The quick threading device for electrical engineering according to claim 2, characterized in that the hemispherical shell (4) is provided with a hole in the middle and is connected with a separation cylinder (42), the diameter of the separation cylinder (42) is larger than the maximum diameter of the conical body (51), and when the rod body (5) moves into the conical shell (3), the tail part of the conical body (51) extends out of the hemispherical shell (4) from the separation cylinder (42).

4. A quick threading device for electrical engineering according to claim 3, characterized in that the bottom surface of the tail of the conical body (51) is a spherical surface, the diameter of the spherical surface is equal to the diameter of the hemispherical shell (4).

5. A quick threading device for electrical engineering according to claim 3, characterized in that the distance of the isolating cylinder (42) from the inner wall of the conical housing (3) is greater than the diameter of the cable (2).

6. A quick threading device for electrical engineering according to claim 5, characterized in that the distance of the isolating cylinder (42) from the inner wall of the conical housing (3) is 1.1 to 1.5 times the diameter of the cable (2).

7. A quick threading device for electrical engineering according to claim 3, characterized in that said semi-spherical shell (4) has several cable holes (41) around the isolating cylinder (42).

8. The quick threading device for electrical engineering according to claim 7, characterized in that six cable holes (41) are opened on the hemispherical shell (4) around the isolating cylinder (42).

9. A quick threading device for electrical engineering according to any one of claims 1 to 8, characterized in that the conical surface of said conical body (51) is parallel to the inner wall of the conical housing (3).

10. The quick threading device for electrical engineering according to claim 9, characterized in that the conical surface of the conical body (51) is provided with anti-slip teeth (53).