Handheld electric threading machine with flexible guide structure

By adopting a flexible spring hose guide structure on the electric wire threading machine, the problems of easy breakage and poor adaptability of rigid conduits are solved, and more efficient conduit threading operation is achieved.

CN224021347UActive Publication Date: 2026-03-20ZHEJIANG BURLEY TOOLS
View PDF 1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing electric threading machines use rigid conduit that is prone to breakage from falls and cannot flexibly adapt to complex pipe environments, resulting in inconvenient operation.

Method used

The flexible spring hose is used as the guiding structure. The spring hose can be bent to adapt to different pipeline conditions and is fixed by limit baffles and detachable joints to enhance stability and flexibility.

Benefits of technology

It improves the drop stability and adaptability of the threading machine, reduces the environmental limitations imposed by the guide structure, and enhances operational convenience.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224021347U_ABST
    Figure CN224021347U_ABST
Patent Text Reader

Abstract

The utility model discloses a hand-held electric threading machine with a flexible guide structure, which comprises a casing, a lead and a driving device, a wire outlet is arranged on the casing, the driving device is used for sending the lead out of the casing from the wire outlet, a spring hose positioned outside the casing is fixed at the wire outlet, a channel for the lead to pass through is arranged in the spring hose, and the lead is arranged in the channel. The spring hose guides the penetrating lead, the spring hose can be bent to change the conveying direction of the lead, the lead is guided by arranging the spring hose outside the machine shell, when the threading machine accidentally falls off, the spring hose cannot be broken due to falling off, and due to the fact that the spring hose can be freely bent at various angles, the lead can be conveniently conveyed to the machine shell. The spring hose is not easily limited by the use environment and can be bent to adapt to various pipeline working conditions, so that the lead can be conveyed into the pipeline, and a user can conveniently operate threading.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a threading machine, especially a hand -held electric threading machine with flexible guide structure. BACKGROUND

[0002] In modern building engineering construction, the electrical line pipe is generally embedded in the wall and floor by the way of hidden laying, and the electrical pipe wiring operation is started after the completion of the main structure construction. The existing wiring method sends the lead into the line pipe, and then connects with the electric wire, and then pulls back the lead to install the electric wire into the line pipe. The traditional wiring method is that the electrician manually sends the lead into the wiring pipe, which is low in efficiency, time -consuming and labor -intensive, and when the number of turns is large and the distance is long, the threading process is very difficult.

[0003] In order to solve the above-mentioned manual threading problem, the electric threading machine appears in the market, for example, the threading machine with measurable lead length disclosed in Chinese utility model patent CN222366002U, which comprises a shell, a lead, a take -up reel and a driving device. The take -up reel can rotate relative to the shell, the lead is collected in the take -up reel, and one end of the lead passes through the driving device. The driving device is used for driving the lead to move winding and unwinding. The take -up reel rotates in the process of lead winding and unwinding. The shell is provided with a wire outlet, and the hard wire tube is fixedly installed at the wire outlet. The lead passes through the wire tube, and the wire tube guides the lead.

[0004] The wire tube of the existing threading machine is generally provided as a hard pipe body, and the wire tube is exposed outside the shell. When handheld or placed, the threading machine may fall, which may cause the wire tube to break, and the hard wire tube is easily limited by the use environment, cannot change the angle by bending and relative to the pipe, and is not convenient for the user to operate the threading. UTILITY MODEL CONTENTS

[0005] Based on the problem that the hard pipe body of the wire tube is easily broken due to falling and is easily limited by the use environment, the utility model provides a hand -held electric threading machine with flexible guide structure.

[0006] The technical scheme adopted by the utility model to solve the above technical problems is that the hand -held electric threading machine with flexible guide structure comprises a shell, a lead and a driving device. The shell is provided with a wire outlet, and the driving device is used for sending the lead out of the shell from the wire outlet. A spring hose is fixed at the wire outlet and located outside the shell. The spring hose is provided with a channel for the lead to pass through, and the spring hose guides the passing lead. The spring hose can be bent to change the conveying direction of the lead.

[0007] The further preferred technical scheme of the utility model is that a limiting baffle is fixed on the spring hose.

[0008] The further preferred technical scheme of the utility model is: the outlet is externally provided with the mounting seat, the lead wire is externally provided with the mounting seat, the end of spring hose is externally provided with the joint, and the joint is detachably fixedly connected with the mounting seat.

[0009] The further preferred technical scheme of the utility model is: the joint is sleeved on the outside of the mounting seat and is fixedly connected with the mounting seat through the screw.

[0010] The further preferred technical scheme of the utility model is: the joint is internally provided with the felt for cleaning the lead wire, the side wall of the joint is provided with the window, and the window is used for discharging the dust removed.

[0011] The further preferred technical scheme of the utility model is: the end of spring hose is fixedly welded with the joint.

[0012] The further preferred technical scheme of the utility model is: the side of the limiting baffle is provided with the flat edge, the middle of the limiting baffle is provided with the perforation for the spring hose to pass through, the side of the perforation is provided with the opening in communication with the flat edge, and the circumferential edge of the spring hose passing through the perforation is flush with the flat edge.

[0013] The further preferred technical scheme of the utility model is: the limiting baffle is C-shaped.

[0014] The further preferred technical scheme of the utility model is: the limiting baffle is fixedly welded with the spring hose.

[0015] Compared with the prior art, the utility model has the advantages that the spring hose is arranged on the outside of the casing to guide the lead wire, the spring hose will not be broken when the threading machine falls by mistake, the spring hose is not limited by the use environment because the spring hose can be bent at various angles, the spring hose can adapt to various pipeline working conditions through bending, the lead wire can be conveyed into the pipeline, and the user can conveniently operate threading. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be further described in detail below by combining with the drawings and preferred embodiments, but the person skilled in the art will appreciate that these drawings are only drawn for the purpose of explaining the preferred embodiments, and thus should not be regarded as the limitation to the scope of the utility model. In addition, the drawings only schematically show the composition or structure of the described object conceptually and can contain exaggerated display, and the drawings are not necessarily drawn to scale unless specifically indicated.

[0017] Figure 1 It is the partial schematic of the utility model Figure 1 ;

[0018] Figure 2 It is the partial schematic of the utility model Figure 2 ;

[0019] Figure 3 Split view of spring hose and mounting base;

[0020] Figure 4 Structure view of spring hose Figure 1 ;

[0021] Figure 2 Structure view of spring hose Figure 6 ;

[0022] Figures 1-6 Structure view of limiting baffle.

[0023] In the figure: 1, mounting base; 2, joint; 3, window; 4, spring hose; 5, limiting baffle; 6, channel; 7, screw; 8, opening; 9, inner tube; 10, threaded hole; 11, perforation; 12, flat edge; 13, felt. DETAILED DESCRIPTION

[0024] The preferred embodiments of the present application will be described in detail below with reference to the attached drawings. Those skilled in the art will appreciate that the description is merely descriptive, exemplary, and should not be interpreted as limiting the scope of protection of the present application.

[0025] It should be noted that similar reference numerals represent similar items in the following drawings, and therefore, once an item is defined in one drawing, it can no longer be further defined and explained in subsequent drawings.

[0026] Figure 1 As shown, the hand-held electric threading machine with flexible guide structure includes a casing, a lead wire, and a driving device. The driving device is installed on the casing. The casing is provided with a wire outlet. The driving device is used to send the lead wire out of the casing from the wire outlet. The threading machine is the same as the existing threading machine in other structures except the external guide structure. Please refer to the patents CN222366002U and CN222463976U.

[0027] Figures 2-4 As shown, the wire outlet of the casing is fixed with a spring hose 4 located outside the casing. The spring hose 4 is provided with a channel 6 for the lead wire to pass through. The spring hose 4 guides the passing lead wire. The spring hose 4 can be bent to change the conveying direction of the lead wire.

[0028] The spring hose 4 is arranged outside the casing to guide the lead wire. When the threading machine falls by accident, the spring hose 4 will not be broken due to the fall. Since the spring hose 4 can be freely bent at various angles, the spring hose 4 is not easily limited by the use environment. The spring hose 4 can adapt to various pipeline working conditions through bending, so that the lead wire can be conveyed into the pipeline, which is convenient for the user to operate threading.

[0029] Figure 5 As shown, the mounting seat 1 is outwardly protrudingly fixed at the outlet of the casing, the lead wire extends from the mounting seat 1, the end of the spring hose 4 is fixedly provided with the connector 2, the connector 2 is detachably fixedly connected with the mounting seat 1, and the detachable fixing mode of the spring hose 4 is convenient for subsequent maintenance and replacement of the spring hose 4. The mounting seat 1 is fixed in the casing and partially protrudes from the outlet of the casing, the center of the mounting seat 1 is provided with a center hole, the inner tube 9 is arranged in the center hole, the inner tube 9 protrudes from the front of the mounting seat 1, the lead wire is arranged in the inner tube 9, and when the connector 2 is sleeved on the mounting seat 1, the protruding part of the inner tube 9 is accommodated in the connector 2. The casing and the driving device and other components are not shown in the drawing, and only the structure of the mounting seat 1 and the spring hose 4 is shown.

[0030] Specifically, the connector 2 is sleeved on the outside of the mounting seat 1 and is fixedly connected with the mounting seat 1 through the screw 7, the connector 2 is in a sleeve structure, the side wall of the connector 2 is provided with the threaded hole 10, the threaded hole 10 is in communication with the inside, and when the connector 2 is sleeved on the outside of the mounting seat 1, the screw 7 is screwed into the threaded hole 10 to fix the connector 2 on the mounting seat 1.

[0031] The mounting mode can be that the screwed screw 7 is tightly pressed on the side wall of the mounting seat 1 to be fixed, or the screw 7 is inserted into the slot on the side wall of the mounting seat 1 to be fixed.

[0032] Preferably, the end of the spring hose 4 is welded with the connector 2. However, it is not limited to welding, and other conventional fixing modes are applicable to the patent.

[0033] The connector 2 is provided with the felt 13 for cleaning the passing lead wire, the felt 13 is tightly pressed on the inner wall of the front part of the connector 2 through the inner tube 9, the felt 13 is provided with the hole for the lead wire to pass through, when the lead wire is retracted, the felt 13 cleans the passing lead wire to clean the adhered dirt on the lead wire, so that the dirt does not enter the casing along the lead wire, the side wall of the connector 2 is provided with the window 3, and the dust removed by the felt 13 is discharged through the window 3.

[0034] Figure 6 、 ​ As shown, the limiting baffle 5 is fixed on the spring hose 4, the limiting baffle 5 divides the spring hose 4 into two parts, when the front part of the spring hose 4 is inserted into the pipeline to be threaded, the limiting baffle 5 can abut against the pipeline opening of the pipeline to limit the spring hose 4 from entering the pipeline too deeply.

[0035] Preferably, the limiting baffle 5 is welded on the spring hose 4. However, it is not limited to welding, and other conventional fixing modes are applicable to the patent.

[0036] The side of the limiting baffle 5 is provided with a flat edge 12, the middle of the limiting baffle 5 is provided with a perforation 11 for the spring hose 4 to pass through, one side of the perforation 11 is provided with an opening 8 in communication with the flat edge 12, the circumferential edge of the spring hose 4 passing through the perforation 11 is flush with the flat edge 12, the flat edge 12 makes the side of the limiting baffle 5 not to exceed the spring hose 4, when the front end of the spring hose 4 is inserted into the pipeline, the flat edge 12 of the side of the limiting baffle 5 does not interfere with the object around the pipeline to affect the insertion of the spring hose 4.

[0037] Preferably, the limiting baffle 5 is C-shaped.

[0038] The hand-held electric threading machine with the flexible guiding structure is introduced above, the principle and the implementation mode of the hand-held electric threading machine with the flexible guiding structure are described by applying specific examples in the paper, the above implementation examples are only used for helping to understand the hand-held electric threading machine with the flexible guiding structure and the core idea. It should be pointed out that, for the ordinary skilled in the art, on the premise of not departing from the principle of the hand-held electric threading machine with the flexible guiding structure, the hand-held electric threading machine with the flexible guiding structure can be improved and modified in several ways, and these improvements and modifications also fall within the protection scope of the claims of the hand-held electric threading machine with the flexible guiding structure.

Claims

1. A handheld electric threading machine with a flexible guiding structure, comprising a housing, a lead wire, and a drive unit, wherein the housing has a wire outlet, and the drive unit is used to feed the lead wire out of the housing from the wire outlet, characterized in that, A flexible spring hose is fixed at the outlet, located outside the housing. The flexible spring hose has a channel for the lead wire to pass through. The flexible spring hose guides the lead wire through the cable and can be bent to change the direction of the lead wire's transport.

2. The handheld electric threading machine with a flexible guiding structure according to claim 1, characterized in that, A limiting baffle is fixed on the spring hose.

3. The handheld electric threading machine with a flexible guiding structure according to claim 1, characterized in that, An outwardly protruding mounting base is fixed at the outlet, and the lead wire extends out from the mounting base. A connector is fixed at the end of the spring hose, and the connector is detachably and fixedly connected to the mounting base.

4. The handheld electric threading machine with a flexible guiding structure according to claim 3, characterized in that, The connector is sleeved on the outside of the mounting base and fixedly connected to the mounting base with screws.

5. The handheld electric threading machine with a flexible guiding structure according to claim 3, characterized in that, The connector is equipped with a felt for cleaning the lead wire, and a window is provided on the side wall of the connector for discharging the cleaned dust.

6. The handheld electric threading machine with a flexible guiding structure according to claim 3, characterized in that, The end of the spring hose is welded and fixed to the connector.

7. The handheld electric threading machine with a flexible guiding structure according to claim 2, characterized in that, The limiting baffle has a flat edge on one side and a through hole in the middle for the spring hose to pass through. One side of the through hole has an opening that communicates with the flat edge, and the circumferential edge of the spring hose passing through the through hole is flush with the flat edge.

8. The handheld electric threading machine with a flexible guiding structure according to claim 7, characterized in that, The limiting baffle is C-shaped.

9. The handheld electric threading machine with a flexible guiding structure according to claim 2, characterized in that, The limiting baffle and the spring hose are fixed by welding.

Citation Information

Patent Citations

  • Threading machine with measurable lead length

    CN222366002U