CN218940516U

CN218940516U - Electrician threading apparatus

Info

Publication number: CN218940516U
Application number: CN202223235919.8U
Authority: CN
Inventors: 胡涛
Original assignee: Wuhan Qiaozhi Hardware Manufacturing Co ltd
Current assignee: Wuhan Qiaozhi Hardware Manufacturing Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-04-28
Anticipated expiration: 2032-12-01

Abstract

The utility model discloses an electrician threading apparatus, which belongs to the technical field of hydropower installation auxiliary equipment; the device comprises a unidirectional clamping assembly, wherein the unidirectional clamping assembly comprises a conical sleeve, a clamping sleeve, balls and an elastic piece, wherein the conical sleeve and the clamping sleeve are nested from outside to inside; one end of the clamping sleeve passes through the necking end of the conical sleeve and is in sliding connection with the necking end, the other end of the clamping sleeve is in butt joint with the elastic piece, and the elastic piece can drive the clamping sleeve to move relative to the necking end. The utility model can drive the lead wire to feed and move in a single direction in a mode of reciprocating along the lead wire, and has high threading efficiency, time saving and labor saving.

Description

Electrician threading apparatus

Technical Field

The utility model relates to the technical field of hydropower installation accessory equipment, in particular to an electrician threading apparatus.

Background

As is well known, in hydropower installation engineering, a wire needs to be threaded through an embedded wire pipe from one wire box, then one end of the wire needs to be connected with a wire through the embedded wire pipe from the other wire box, and then a hydropower worker pulls the other end of the wire, so that the wire is pulled out of the wire box along with the wire, and the threading of the wire in the embedded wire pipe is completed.

However, the threading process of the lead wire in the pre-buried spool is troublesome, and in general, a decorator is required to grasp the lead wire by one hand and deliver the lead wire to a wire box, then retract the lead wire again, the process is repeated, the lead wire is not easy to control, the whole work is time-consuming and labor-consuming and has low efficiency, and the efficiency of water sheet installation engineering is seriously disturbed.

Disclosure of Invention

In view of the foregoing, it is necessary to provide an electrician threading apparatus for solving the problems of time and effort consuming and low efficiency of the existing manual threading method.

The utility model provides an electrician threading apparatus, which comprises a unidirectional clamping assembly, wherein the unidirectional clamping assembly comprises a conical sleeve, a clamping sleeve, balls and an elastic piece, wherein the conical sleeve and the clamping sleeve are nested from outside to inside; one end of the clamping sleeve passes through the necking end of the conical sleeve and is in sliding connection with the necking end, the other end of the clamping sleeve is in butt joint with the elastic piece, and the elastic piece can drive the clamping sleeve to move relative to the necking end.

Further, the clamping sleeve is provided with an abutting ring at one end close to the elastic piece, the abutting ring is enclosed on the clamping sleeve and fixedly connected with the clamping sleeve, and one end of the elastic piece is sleeved on the clamping sleeve and abuts against the abutting ring.

Further, the end cover is arranged at one end of the taper sleeve, which is far away from the necking end, the end cover is detachably connected with the taper sleeve, two ends of the elastic piece are respectively abutted to the end cover and the clamping sleeve, and a hole communicated with the action space is formed in the middle of the end cover.

Further, an annular gasket is arranged between the end cover and the elastic piece, and two sides of the annular gasket are respectively abutted to the end cover and the elastic piece.

Further, the elastic piece is a pagoda spring, the small end of the pagoda spring is sleeved on the clamping sleeve, and the large end of the pagoda spring is abutted to the annular gasket.

Further, still include two-way regulation and control subassembly, two the throat end of cone cover sets up relatively and cartridge in the sleeve, two cone cover with sleeve fixed connection and relative interval set up, telescopic middle part is equipped with the adjustment tank, the plectrum with the adjustment tank activity is pegged graft, the plectrum can respectively with the both ends joint of adjustment tank, for supporting respectively the pressure the centre gripping cover is relaxed the centre gripping of lead wire.

Further, the adjusting groove is provided with bayonets along two ends of the sleeve in the axial direction respectively, the poking piece is in clamping connection with the bayonets, and a through hole for the lead to pass through is formed in the middle of the poking piece.

Further, the adjusting groove is a U-shaped groove, a Z-shaped groove or an I-shaped groove which penetrates through the sleeve.

Further, still include the direction subassembly, the direction subassembly includes fixed pipe and movable pipe, the one end of movable pipe with sleeve fixed connection, the other end cartridge of movable pipe in the fixed pipe and with fixed pipe sliding connection, the inner chamber of fixed pipe and movable pipe all with the action space intercommunication.

Further, an elbow is arranged at one end of the fixed pipe far away from the movable pipe.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model relates to an electrician threading apparatus, which comprises a unidirectional clamping assembly, wherein the unidirectional clamping assembly comprises a conical sleeve, a clamping sleeve, balls and an elastic piece, wherein the conical sleeve and the clamping sleeve are nested from outside to inside, the balls are equidistantly arranged around the clamping sleeve and are movably embedded in the clamping sleeve, the clamping sleeve is provided with a hole for installing the balls, the balls are in rolling connection with the hole, and the outer sides of the balls are respectively abutted with the conical sleeve. The balls form an action space for clamping the lead in the clamping sleeve, and the action space can be reduced by continuously extruding the balls by the conical surface inside the conical sleeve, so that the lead is clamped. The other end of the clamping sleeve is abutted with the elastic piece, the elastic piece can drive the clamping sleeve to move relative to the necking end, and the conical surface of the conical sleeve further abuts against the ball, so that the lead is locked. When the conical sleeve moves away from the conical surface, the extrusion between the balls is released, the lead can move relative to the balls, and the lead can be driven to move in a single direction by means of the unidirectional clamping assembly in a reciprocating manner along the lead, so that the threading efficiency is high, and time and labor are saved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the connection structure of the clamping sleeve and the ball in the present utility model;

FIG. 3 is a schematic diagram of a paddle according to the present utility model;

FIG. 4 is a schematic diagram of the connection structure of the bidirectional regulating and controlling component and the guiding component in the present utility model

In the figure, a unidirectional clamping assembly 100, a cone sleeve 110, a necking end 111, a clamping sleeve 120, an abutting ring 121, a ball 130, an elastic piece 140, an end cover 150, an annular gasket 160, a bidirectional regulating assembly 200, a sleeve 210, an adjusting groove 211, a bayonet 212, a poking piece 220, a guiding assembly 300, a fixed pipe 310, an elbow 311 and a movable pipe 320.

Detailed Description

Preferred embodiments of the present utility model will now be described in detail with reference to the accompanying drawings, which form a part hereof, and together with the description serve to explain the principles of the utility model, and are not intended to limit the scope of the utility model.

An electrician's threading apparatus in this embodiment relates to water and electricity installation appurtenance technical field, through setting up the device of one-way locking for when delivering the lead wire, the lead wire is locked. Upon retraction along the lead, the lead is relaxed, enabling relatively easy delivery of the lead.

Referring to fig. 1 to 4, an electrician threading apparatus in this embodiment includes a unidirectional clamping assembly 100, the unidirectional clamping assembly 100 includes a conical sleeve 110 and a clamping sleeve 120 nested from outside to inside, balls 130 and an elastic member 140, the balls 130 are equidistantly disposed around the clamping sleeve 120 and movably embedded in the clamping sleeve 120, a hole for installing the balls 130 is formed in the clamping sleeve 120, the balls 130 are in rolling connection with the hole, and the outer sides of the balls 130 are respectively abutted to the conical sleeve 110. The balls 130 form an action space for clamping the lead in the clamping sleeve 120, and the continuous extrusion of the conical surface inside the conical sleeve 110 to the balls 130 can reduce the action space, thereby completing the clamping of the lead. The other end of the clamping sleeve 120 is abutted against the elastic piece 140, and the elastic piece 140 can drive the clamping sleeve 120 to move relative to the necking end 111, and the conical surface of the conical sleeve 110 further abuts against the ball 130, so that the lead is locked. When the cone sleeve 110 moves away from the cone surface, the extrusion between the balls 130 is released, the lead wire can move relative to the balls 130, and the lead wire can be driven to move in a single direction in a reciprocating manner along the lead wire by means of the unidirectional clamping assembly 100, so that the threading efficiency is high, and time and labor are saved.

In use, the lead wire passes through the reduced end 111 and through the working space in the clamping sleeve 120 to interface with the embedded spool of the wire box. The cone sleeve 110 is driven to move relative to the wire box, the clamping sleeve 120 moves relative to the necking end 111 of the cone sleeve 110, and the balls 130 clamp the lead wires to feed into the embedded wire pipe. The tapered sleeve 110 is driven to move backward along the lead, the clamping sleeve 120 moves away from the necking end 111 of the tapered sleeve 110, the acting space between the balls 130 is enlarged, the lead slides relative to the balls 130, the tapered sleeve 110 moves relative to the lead, and a new lead feeding section is introduced.

What needs to be specifically stated is: the wire leads of the electric wires are generally made of steel wire ropes formed by twisting thin steel wires, the strength of the steel wire ropes is high, the steel wire ropes are convenient to bend and advance in the embedded pipes, and the steel wire ropes are widely used.

Referring to fig. 1 and 2, an end of the clamping sleeve 120, which is close to the elastic member 140, is provided with an abutment ring 121, the abutment ring 121 is enclosed on the clamping sleeve 120 and fixedly connected with the clamping sleeve 120, the abutment ring 121 protrudes out of the outer circumferential surface of the clamping sleeve 120, one end of the elastic member 140 is sleeved on the clamping sleeve 120 and abuts against the abutment ring 121, and the arrangement of the abutment ring 121 can provide the elastic member 140 with better positioning and fixing, so that the elastic member 140 is facilitated to apply an abutment force to the clamping sleeve 120.

As a further embodiment, an end cover 150 is disposed at one end of the taper sleeve 110 away from the necking end 111, the end cover 150 is screwed with the taper sleeve 110, two ends of the elastic member 140 are respectively abutted against the end cover 150 and the clamping sleeve 120, and the end cover 150 can seal the entire taper sleeve 110 to prevent external dust and impurities from adversely affecting the interior of the taper sleeve 110. In addition, the end cap 150 may provide support for the elastic member 140 in a reverse direction relative to the clamping sleeve 120. A hole communicating with the active space is provided in the middle of the end cap 150, and the lead wire passes through the hole. In a specific implementation process, an annular gasket 160 is disposed between the end cap 150 and the elastic member 140, and a hole for the lead wire to pass through is also disposed in the middle of the annular gasket 160. The annular gasket 160 may improve the abutment of the back of the end cap 150, providing a flatter and more stable support for the resilient member 140.

It should be noted that: the elastic member 140 is specifically a spring, preferably a pagoda spring, and the small end of the pagoda spring is sleeved on the clamping sleeve 120, and can be tangent to the diameter of the clamping sleeve 120 and abutted against the abutting ring 121, so as to complete self-fixing of the spring. The big head end of the pagoda spring is abutted with the annular gasket 160, the diameter of the big head end of the pagoda spring is larger, the abutting area with the annular gasket 160 is wider, and the stability is better. Meanwhile, the centering of the two sides of the pagoda spring is better, the big head end and the small head end of the pagoda spring always keep coaxial centering state in the compression and stretching processes of the pagoda spring, when the pagoda spring is interfered by the outside, the clamping sleeve 120 is not easy to bend and shake, the clamping sleeve 120 can be ensured to slide in the conical sleeve 110 stably, and the clamping sleeve 120 is not easy to be worn with the conical sleeve 110.

Referring to fig. 2, a certain cross section of a clamping sleeve 120 is taken as a basis, three holes are formed, the three holes are equidistantly arranged around the axis of the clamping sleeve 120, three balls 130 are respectively in rolling connection with the three holes, the three balls 130 move inwards to reduce the action space to clamp the lead, and when the lead is not penetrated, the balls 130 are mutually abutted in the action space and cannot be separated from the action space. The tapered surface of the tapered sleeve 110 acts on the balls 130 to ensure that the balls 130 do not pop out radially from the gripping sleeve 120.

With continued reference to fig. 1, the electrical threader further comprises a bidirectional regulating assembly 200, wherein the bidirectional regulating assembly 200 comprises a sleeve 210 and a pulling piece 220, the necking ends 111 of the two cone sleeves 110 are oppositely arranged and inserted into the sleeve 210, and bolts penetrate through the sleeve 210 to be connected with the cone sleeves 110, so that the cone sleeves 110 are fixed in the sleeve 210. The two cone sleeves 110 are fixedly connected with the sleeve 210 and are arranged at opposite intervals, an adjusting groove 211 is formed in the middle of the sleeve 210, a poking piece 220 is movably inserted into the adjusting groove 211, the poking piece 220 can be respectively connected with two ends of the adjusting groove 211 in a clamping mode, the poking piece 220 is connected with any end of the adjusting groove 211 in a clamping mode, the clamping sleeve 120 of the necking end 111 can be abutted to the end, the elastic piece 140 is compressed, the ball 130 is enabled to be loosened to be abutted to the cone sleeve 110, the action space is enlarged, the movement of the elastic piece 140 is limited, the unidirectional clamping function of the clamping sleeve 120 is damaged, and the unidirectional clamping assembly 100 located on one side is enabled to lose action.

In fact, the bidirectional regulating assembly 200 has the effect that by arranging two sets of unidirectional clamping assemblies 100 in the sleeve 210 and controlling the unilateral operation of the two unidirectional clamping assemblies 100, the electrician's threader can drive the lead wire to move from two directions respectively, so that the application forms are more various, and the application range is wider.

Referring to fig. 3 and fig. 4, the two ends of the adjusting groove 211 along the axial direction of the sleeve 210 are respectively provided with a bayonet 212, the pulling piece 220 is clamped with the bayonet 212, and the pulling piece 220 is clamped with the bayonet 212 on one side to limit the operation of the unidirectional clamping assembly 100 on the side. The middle part of the pulling piece 220 is provided with a through hole for the lead to pass through, and the lead passes through the through hole. In a specific implementation process, the adjusting groove 211 is a "U" groove, "Z" groove or an "i" groove which is formed by penetrating the sleeve 210, the bayonet 212 of the adjusting groove 211 and the "U" groove, "Z" groove or the "i" groove are integrally formed, the poking piece 220 is inserted and rotated from the middle of the adjusting groove 211, the protrusion on the poking piece 220 is clamped with the adjusting groove 211, and the fixing of the poking piece 220 can be realized by poking the poking piece 220 to ensure that the protrusion on the poking piece 220 is clamped with the bayonet 212. As a further embodiment, at the contact position between the protrusion and the bayonet 212, the adjusting groove 211 is further provided with a step, the elastic member presses the protrusion into the step, and the step can limit the protrusion to prevent the rotation of the dial 220.

Referring to fig. 4, the electrical threading apparatus further includes a guide assembly 300, the guide assembly 300 includes a fixed tube 310 and a movable tube 320, one end of the movable tube 320 is fixedly connected with the sleeve 210, the other end of the movable tube 320 is inserted into the fixed tube 310 and is slidably connected with the fixed tube 310, the sleeve 210 is held by hand, the movable tube 320 is driven to reciprocate along the fixed tube 310 to control the lead to move along the direction of the fixed tube 310, the lead can be controlled to move from two directions of the fixed tube 310 respectively by adjusting the pulling piece 220, the inner cavities of the fixed tube 310 and the movable tube 320 are communicated with the action space, and the lead can pass through the inner cavities of the fixed tube 310 and the movable tube 320. In a specific implementation process, an elbow 311 is arranged at one end of the fixed tube 310 far away from the movable tube 320, and the elbow 311 can be in butt joint with the wire box at multiple angles, so that a worker can use the threading apparatus at a flexible position relative to the wire box.

The working flow is as follows: first, the manual traction wire is sequentially inserted through the two clamping sleeves 120, the movable tube 320 and the fixed tube 310 and into the wire box. Then, the pulling piece 220 is adjusted to a side far from the movable tube 320, the sleeve 210 is held by hand, the movable tube 320 is reciprocally pulled, the lead wire is input into the pre-buried wire tube, and after the lead wire is input from another wire box. Next, the wire is connected to the connector of the lead wire, the pulling tab 220 is adjusted to a side near the movable tube 320, the sleeve 210 is held by hand, the movable tube 320 is reciprocally pulled, the lead wire is reversely pulled out of the pre-buried wire tube, and the wire is pulled through the pre-buried wire tube.

While the utility model has been described with respect to the preferred embodiments, the scope of the utility model is not limited thereto, and any changes or substitutions that would be apparent to those skilled in the art are intended to be included within the scope of the utility model.

Claims

1. The electrician threading apparatus is characterized by comprising a unidirectional clamping assembly, wherein the unidirectional clamping assembly comprises a conical sleeve, a clamping sleeve, balls and an elastic piece, wherein the conical sleeve and the clamping sleeve are nested from outside to inside; one end of the clamping sleeve passes through the necking end of the conical sleeve and is in sliding connection with the necking end, the other end of the clamping sleeve is in butt joint with the elastic piece, and the elastic piece can drive the clamping sleeve to move relative to the necking end.

2. The electrician threading apparatus according to claim 1, wherein an abutting ring is arranged at one end of the clamping sleeve, which is close to the elastic member, and the abutting ring is enclosed on the clamping sleeve and fixedly connected with the clamping sleeve, and one end of the elastic member is sleeved on the clamping sleeve and abuts against the abutting ring.

3. The electrician threading apparatus according to claim 2, wherein an end cover is arranged at one end of the taper sleeve away from the necking end, the end cover is detachably connected with the taper sleeve, two ends of the elastic piece are respectively abutted to the end cover and the clamping sleeve, and a hole communicated with the action space is formed in the middle of the end cover.

4. An electrician threader according to claim 3, characterized in that an annular gasket is arranged between the end cap and the elastic member, and two sides of the annular gasket are respectively abutted with the end cap and the elastic member.

5. The electrical threading apparatus of claim 4 wherein the elastic member is a pagoda spring, the small end of the pagoda spring is sleeved on the clamping sleeve, and the large end of the pagoda spring is abutted against the annular gasket.

6. The electrician threading apparatus according to claim 1 or 2, further comprising a bidirectional regulating assembly, wherein the bidirectional regulating assembly comprises a sleeve and a pulling sheet, the necking ends of the two conical sleeves are oppositely arranged and inserted into the sleeve, the two conical sleeves are fixedly connected with the sleeve and are oppositely arranged at intervals, an adjusting groove is formed in the middle of the sleeve, the pulling sheet is movably inserted into the adjusting groove, and the pulling sheet can be respectively clamped with two ends of the adjusting groove so as to respectively press the clamping sleeves to loosen the clamping of the lead.

7. The electrician threading apparatus according to claim 6, wherein the two ends of the adjusting groove along the axial direction of the sleeve are respectively provided with a bayonet, the poking piece is clamped with the bayonet, and a through hole for the lead to pass through is formed in the middle of the poking piece.

8. An electrical threader according to claim 7, characterized in that the adjustment groove is a "U" groove, a "Z" groove or an "i" groove provided through the sleeve.

9. The electrical threading apparatus of claim 6 further comprising a guide assembly including a stationary tube and a movable tube, one end of the movable tube being fixedly connected to the sleeve, the other end of the movable tube being inserted into and slidably connected to the stationary tube, the lumens of the stationary tube and the movable tube both communicating with the working space.

10. An electrotechnical threader according to claim 9, characterized in that the end of the fixed tube remote from the movable tube is provided with an elbow.