Threading machine

By setting observation ports and marks on the handle of the threading machine, the problem of inaccurate clamping force judgment in the prior art is solved, real-time control and convenient operation of the clamping force are achieved, and the efficiency of the threading machine is improved.

CN223141402UActive Publication Date: 2025-07-22JIANGSU DONGCHENG M&E TOOLS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421958166.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-13
Publication Date
2025-07-22
Estimated Expiration
2034-08-13

AI Technical Summary

Technical Problem

The clamping force in existing threading machines is inaccurately judged, depends on handle resistance, is inconvenient to operate and has strong experience dependence.

Method used

An observation port is provided on the handle of the threading machine, and the clamping member extends to the inside of the handle. The user can observe the clamping member through the observation port, adjust the clamping force in combination with the box spacing, and use elastic members and markings to assist in determining the clamping force.

Benefits of technology

It improves the operating freedom, realizes real-time control and convenient judgment of clamping force, and improves work efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223141402U_ABST
    Figure CN223141402U_ABST
Patent Text Reader

Abstract

The utility model relates to a threading machine, which comprises a machine body, a handle movably connected to the machine body and a thread stand fixedly connected to the machine body, the machine body is provided with a box body adjacent to the thread stand, a motor assembly and a transmission unit which are accommodated in the box body, and a clamping piece arranged in the box body in a penetrating manner, and a wire is arranged in the thread stand and connected to the transmission unit. The motor assembly drives the transmission unit to move and drives the wire to stretch out or retract, the clamping piece is configured to control the clamping force of the transmission unit on the wire, and the handle is in threaded connection with the clamping piece; the handle is provided with an observation opening penetrating through the wall face, the clamping piece extends into the handle, and a user observes the clamping piece through the observation opening. The observation opening is formed in the handle, the clamping piece extends into the handle, a user can observe the clamping piece through the penetrating opening, so that the clamping force is determined, the degree of freedom of operation is high, and the needed working state can be controlled in real time.
Need to check novelty before this filing date? Find Prior Art

Description

[Technical Field]

[0001] The utility model relates to the technical field of power tools, and particularly to a wire threading machine. [Background Art]

[0002] A wire threading machine is a power tool for threading or pulling wires through pipes in building installation projects. It drives a transmission unit to move through a motor assembly and drives a wire to extend or retract from the pipe. In the existing wire threading machines, if the user does not rotate the handle, it is impossible to judge the current clamping force of the wire threading machine. Moreover, the judgment of the clamping force depends on the resistance of the handle before rotation. A large resistance means a large current clamping force, and a small resistance means a small current clamping force. It entirely relies on the user's work experience and is prone to inaccurate judgment.

[0003] In view of this, it is necessary to provide an improved wire threading machine to overcome the defects of the existing technology. [Summary of the Invention]

[0004] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a wire threading machine with high operating freedom and implementation control.

[0005] The utility model can adopt the following technical solutions to solve the problems of the existing technology: A wire threading machine includes a body, a handle movably connected to the body, and a wire rack fixedly connected to the body. The body has a box body adjacent to the wire rack, a motor assembly and a transmission unit accommodated in the box body, and a clamping member penetrating through the box body. A wire is provided in the wire rack, and the wire is connected to the transmission unit. The motor assembly drives the transmission unit to move and drives the wire to extend or retract. The clamping member is configured to control the clamping force of the transmission unit on the wire, and the handle is threadedly connected to the clamping member; the handle has an observation port penetrating through the wall surface, the clamping member extends into the interior of the handle, and the user observes the clamping member through the observation port.

[0006] A further improvement is: The box body includes a first box body and a second box body for accommodating the transmission unit. Adjust the handle to drive the clamping member to move, thereby controlling the distance between the first box body and the second box body. The distance is inversely proportional to the area of the observation port covered by the clamping member.

[0007] A further improvement is: The clamping member has a first section provided on the box body and a second section combined with the handle, and at least part of the second section overlaps with the observation port.

[0008] A further improvement is: The body also has an elastic member sleeved on the first section. One end of the elastic member abuts against the first box body, and the other end abuts against the second box body.

[0009] A further improvement solution is as follows: There are multiple observation ports, and the observation ports adjacent to the box body to those far from the box body are characterized by a gradually increasing area of the clamping member covering the observation ports.

[0010] A further improvement solution is as follows: The handle also has a mark protruding from the wall surface, and the mark is adjacent to the observation port.

[0011] A further improvement solution is as follows: There are three marks, and the three marks form a triangle.

[0012] A further improvement solution is as follows: The transmission unit includes a first worm gear housed in the first box body, a second worm gear housed in the second box body, and a worm shaft coupled to the first worm gear and the second worm gear, and the first section is perpendicular to the worm shaft.

[0013] Compared with the prior art, the present utility model has the following beneficial effects: By providing an observation port on the handle and the clamping member extending into the interior of the handle, the user can observe the clamping member through the through hole, thereby determining the magnitude of the clamping force, with high operating freedom and the ability to control the required working state in real time. Specifically, adjusting the handle drives the clamping member to move, thereby controlling the distance between the first box body and the second box body. The distance is inversely proportional to the area of the clamping member covering the observation port, and the tightening and loosening of the handle can be controlled according to the required clamping force, with convenient operation; in addition, there is a mark on the handle adjacent to the observation port, which is convenient for the user to judge the magnitude of the tightening force. [Description of the Drawings]

[0014] The following further elaborates in detail on the specific embodiments of the present utility model with reference to the drawings:

[0015] Figure 1 is a schematic structural diagram of the wire threading machine of the present utility model;

[0016] Figure 2 is Figure 1 a partial cross-sectional schematic diagram of the wire threading machine shown;

[0017] Figure 3 is Figure 1 a top view of the wire threading machine shown and a partially enlarged view of the handle of the wire threading machine. At this time, the clamping member is adjacent to the first mark;

[0018] Figure 4 is Figure 1 a top view of the wire threading machine shown and a partially enlarged view of the handle of the wire threading machine. At this time, the clamping member is adjacent to the third mark;

[0019] Figure 5 is Figure 2 a partial exploded view of the parts of the wire threading machine shown;

[0020] Figure 6 is Figure 1 a schematic structural diagram of the handle shown below. [Specific Embodiments]

[0021] The present utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0022] The terms used in the present utility model are only for the purpose of describing specific embodiments and are not intended to limit the present utility model. For example, the terms such as "upper", "lower", "front", "rear", etc. indicating orientation or positional relationship are only based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device / component referred to must have a specific orientation or be constructed and operated in a specific orientation, and thus cannot be construed as a limitation of the present utility model.

[0023] Please refer to Figures 1 to 5 As shown, an embodiment of the present utility model relates to a wire threading machine 100, which includes a body 1, a handle 2 movably connected to the body 1, and a wire rack 3 fixedly connected to the body 1. The body 1 has a box 11 adjacent to the wire rack 3 and a motor assembly (not shown) and a transmission unit 12 received in the box 11. A wire guide 31 is provided in the wire rack 3, and the wire guide 31 is connected to the transmission unit 12. The motor assembly (not shown) drives the transmission unit 12 to move and drives the wire guide 31 to extend or retract.

[0024] In this embodiment, the transmission unit 12 includes a first worm gear 121 received in a first box 111, a second worm gear 122 received in a second box 112, a worm gear 123 meshing with the first worm gear 121 and the second roller 122, a first roller 124 mounted on the first worm gear 121, and a second roller 125 mounted on the second worm gear 122. The first worm gear 121 and the second worm gear 122 mesh with the worm 123, and the first roller 124 and the second roller 125 rotate under the drive of the first worm gear 121 and the second worm gear 122.

[0025] In this embodiment, the body further includes a clamping member 13 passing through the box 11. The clamping member 13 is configured to control the clamping force of the transmission unit 12 on the wire guide 31, and the handle 2 is threadedly connected to the clamping member 13.

[0026] The handle 2 has an observation port 21 penetrating through the wall surface. The clamping member 13 extends into the interior of the handle 2, and the user observes the clamping member 13 through the observation port 21. With the above arrangement, on the one hand, it is beneficial for the user about to operate to judge the clamping force of the clamping member 13 in advance according to the position of the clamping member 13 at the observation port 21, so as to facilitate understanding the acting force of the first roller 123 and the second roller 124 on the wire 31. On the other hand, it is beneficial for the user to judge the current clamping state during the use of the wire threading machine 100 to control the required clamping force in real time, with a high degree of operating freedom and improved work efficiency.

[0027] The clamping member 13 has a first section 131 provided on the box body 112 and a second section 132 coupled to the handle 2. At least a part of the second section 132 overlaps with the observation port 21. The first section 131 is a non-threaded structure, and the first section 131 is perpendicular to the worm 123. The second section 132 is a threaded structure. The user controls the insertion length of the second section 132 into the handle 2 by adjusting the handle 2 to adjust the clamping force of the clamping member.

[0028] The box body 11 includes a first box body 111 and a second box body 112 that house the transmission unit 13. The adjusting handle 2 drives the clamping member 13 to move, thereby controlling the distance between the first box body 111 and the second box body 112. The distance is inversely proportional to the area of the observation port 21 covered by the clamping member 13. That is to say, the greater the clamping force provided by the clamping member 13, the smaller the distance between the first box body 111 and the second box body 112, and the larger the area of the observation port 21 covered by the clamping member 13, and vice versa.

[0029] The body 1 also has an elastic member 113 sleeved on the first section 131. One end of the elastic member 113 abuts against the first box body 111, and the other end abuts against the second box body 112. There are multiple observation ports 21. The observation ports 21 adjacent to the box body 11 to the observation ports 21 far from the box body 11 are characterized by a gradual increase in the area of the observation port 21 covered by the clamping member 13, a gradual increase in the clamping force, a decreasing distance, and an increase in the frictional force of the first roller 123 and the second roller 124 on the wire 31.

[0030] Please refer to Figure 5 and Figure 6 As shown, the handle 2 also has a mark 22 protruding from the wall surface. The mark 22 is adjacent to the observation port 21, which is convenient for the user to better identify the magnitude of the current clamping force.

[0031] In this embodiment, there are three marks 22, and the three marks 22 form a triangle, which conforms to the normal thinking mode of the user. Specifically, the three marks are the first mark 221, the second mark 222, and the third mark 223. Among them, the first mark 221 is characterized by the smallest area of the observation port 21 covered by the clamping member 13, the smallest clamping force, and the largest distance, as Figure 3As shown; the third identifier 223 is characterized in that the clamping member 13 covers the observation port 21 with the largest area, the largest clamping force, and the smallest spacing, as Figure 4 shown; the second identifier 222 is between the first identifier 221 and the third identifier 223.

[0032] The present utility model is not limited to the above specific embodiments. Those of ordinary skill in the art can easily understand that, without departing from the principles and scope of the present utility model, there are many alternative solutions for the threading machine of the present utility model. The protection scope of the present utility model shall be subject to the content of the claims.

Claims

1. A wire threading machine, comprising a body, a handle movably connected to the body, and a wire holder fixedly connected to the body. The body has a box adjacent to the wire holder, a motor assembly and a transmission unit housed in the box, and a clamping member passing through the box. A wire is provided in the wire holder, and the wire is connected to the transmission unit. The motor assembly drives the transmission unit to move and drives the wire to extend or retract. The clamping member is configured to control the clamping force of the transmission unit on the wire, and the handle is threadedly connected to the clamping member; characterized in that: The handle has an observation port penetrating through the wall surface. The clamping member extends into the interior of the handle, and the user observes the clamping member through the observation port.

2. The threading machine according to claim 1, wherein: The box body includes a first box body and a second box body that house the transmission unit. The handle is adjusted to drive the clamping member to move, thereby controlling the distance between the first box body and the second box body. The distance is inversely proportional to the area of the observation port covered by the clamping member.

3. The threading machine according to claim 2, wherein: The clamping member has a first section disposed on the box body and a second section coupled to the handle. At least a part of the second section overlaps with the observation port.

4. The threading machine according to claim 3, wherein: The body further has an elastic member sleeved on the first section. One end of the elastic member abuts against the first box body, and the other end abuts against the second box body.

5. The threading machine according to claim 1, characterized in that: There are multiple observation ports. The observation ports adjacent to the box body to the observation ports far from the box body are characterized by a gradually increasing area of the observation port covered by the clamping member.

6. The threading machine according to claim 1, wherein: The handle further has a mark protruding from the wall surface, and the mark is adjacent to the observation port.

7. The threading machine according to claim 6, wherein: There are three marks, and the three marks form a triangle.

8. The threading machine according to claim 3, wherein: The transmission unit includes a first roller housed in the first box body, a second roller housed in the second box body, and a worm gear coupled to the first roller and the second roller. The first section is perpendicular to the worm gear.