Pipeline threading device

Abstract

The invention discloses a pipeline threading apparatus, and relates to the technical field of threading apparatuses, the pipeline threading apparatus comprises a shell, a driving assembly and a fixing assembly, a rotatable line bin is arranged in the shell, the line bin is used for loading a line body, the driving assembly is used for driving the line bin to rotate, the fixing assembly is arranged on the outer surface of the shell, and the driving assembly is used for driving the line bin to rotate. The fixing assembly is used for fixing the shell on the body of a user. The garment is convenient to carry by a user.

Description

Technical Field

[0001] The invention relates to the technical field of threaders, in particular to a pipeline threader. Background Art

[0002] When performing construction water and electricity installation operations, a wire threader is often used, and the use of the wire threader requires constant movement. However, at present, very few wire threaders on the market can be carried around. When operating, you need to first pull the wire out of the machine with both hands, then put the machine on the ground, and then use both hands to thread the wire into the pipe; after using the wire threader to pull the wires and cables back from the pipe, you need to put the wires loose on the ground back into the machine, because the process of threading the wires into and out of the pipe requires the use of both hands, so you can only keep putting down and picking up the wire threader, such as a cycle. If the ground environment at the construction site is poor, it will cause contamination of the wire threader. In addition, the storage of most wire threaders is also extremely inconvenient. Summary of the invention

[0003] In view of the problem that the threader in the prior art is extremely inconvenient to use, the pipe threader provided by the present invention is convenient for users to carry with them.

[0004] To achieve the above object, the present invention can be carried out by adopting the following technical solutions:

[0005] The pipeline threader provided by the present invention comprises:

[0006] A housing, inside which a rotatable wire bin is disposed, the wire bin being used to load the wire body;

[0007] A driving assembly, used for driving the wire bin to rotate;

[0008] A fixing component is arranged on the outer surface of the shell, and the fixing component is used to fix the shell on the user.

[0009] As the pipe threader mentioned above, further, the shell includes a front shell and a rear shell that are detachably connected, and the front shell and the rear shell are respectively provided with mutually symmetrical notches. When the front shell is connected to the rear shell, the two notches form a wire outlet hole that allows the wire body to pass through, and a wire protective sleeve is provided at the wire outlet hole.

[0010] As in the above-mentioned pipe threader, further, the wire bin is movably connected to the front shell and the rear shell respectively through bearings, the wire bin has a groove, the groove has a through hole, and the through hole has an internal thread;

[0011] The wire body is wound in the groove, and one end of the wire body in the wire bin is fixed by the cooperation of a screw and the through hole.

[0012] As in the above-mentioned pipe threader, further, the driving assembly includes a rocker arm and a rocker handle gap-assembled with the rocker arm, the wire bin is provided with a stud, and the rocker arm is mounted on the wire bin by the cooperation of a bolt, a nut and the stud;

[0013] The crank handle is shaken to drive the wire bin to rotate, thereby retracting the wire body into the wire bin.

[0014] As the pipe threader mentioned above, further, the fixing assembly includes a belt buckle and a belt, the belt buckle has two protrusions, the two protrusions are fixedly connected to the outer surface of the shell, the belt buckle also has a recessed portion for allowing the belt to pass through, and matching belt plugs are provided at both ends of the belt.

[0015] As mentioned above, the pipe threader further includes a wire stabilizing assembly for stabilizing the wire body, the wire stabilizing assembly is installed on one end of the wire body passing through the wire outlet hole, the wire stabilizing assembly is connected to a wire hanging ring, and a wire bead is also arranged between the wire stabilizing assembly and the wire hanging ring.

[0016] As mentioned above, the pipe threader, further, the wire body stabilizing assembly includes a first buckle body and a second buckle body, the first buckle body is provided with a first opening, one end of the wire body passing through the wire outlet hole is inserted into the first opening and fixed, the outer surface of the first buckle body has an external thread, the second buckle body is provided with a second opening and a third opening, the second opening has an internal thread adapted to the external thread, the first buckle body is threadedly connected to the second buckle body, and the third opening is connected to one end of the wire hanging ring.

[0017] As described above, the pipeline threader, further, the wire body stabilizing assembly includes a third buckle body and a fourth buckle body, the third buckle body is provided with a fourth opening, one end of the wire body passing through the wire outlet hole is inserted into the fourth opening for fixing, the third buckle body has a protrusion, the fourth buckle body has an inner cavity, an opening and a fifth opening, the inner cavity is connected to the opening, the opening is adapted to the protrusion, the protrusion is inserted into the opening and movably connected in the inner cavity, and the fifth opening is connected to one end of the wire hanging ring;

[0018] A sealing block is also included, and the sealing block is clamped at the opening.

[0019] As for the pipe threader mentioned above, further, the front shell and / or the rear shell is provided with an observation hole, the front shell and / or the rear shell is provided with a handle, and the bearing is sleeved with a bearing sleeve.

[0020] As described above, the pipe threader further comprises a first wire hoop and a second wire hoop, wherein the first wire hoop is provided at one end of the wire hanging ring connected to the wire body stabilizing assembly, and the second wire hoop is provided at one end of the wire hanging ring close to the ring;

[0021] It also includes a wire body joint. When there are multiple wire bodies, adjacent wire bodies are connected end to end through the wire body joint.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. The present invention can be fixed on the user through the fixing assembly, thereby freeing both hands to thread and pull the wires, providing the user with the greatest convenience;

[0024] 2. The present invention can quickly store the wire body back into the shell through the driving component, thereby improving efficiency;

[0025] 3. The present invention can minimize the friction with the inner wall of the pipeline through the wire stabilizing component and the wire sleeve, thereby improving the bending ability and penetration length of the wire in the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0027] Figure 1 Schematic diagram of the structure of the pipe threader in an embodiment of the present invention;

[0028] Figure 2 It is a front view of the pipe threader in the embodiment of the present invention;

[0029] Figure 3 It is a rear view of the pipe threader in the embodiment of the present invention;

[0030] Figure 4 It is a right side view of the pipe threader in the embodiment of the present invention;

[0031] Figure 5 Schematic diagram of the installation position of the cable sheath in an embodiment of the present invention;

[0032] Figure 6 An exploded view of the structure of the pipe threader in an embodiment of the present invention;

[0033] Figure 7 It is a schematic diagram of the structure of the line body stabilizing assembly (first buckle body and second buckle body) in an embodiment of the present invention;

[0034] Figure 8 It is an enlarged perspective view of the line body stabilizing assembly (first buckle body and second buckle body) in an embodiment of the present invention;

[0035] Fig. 9 It is a schematic diagram of the structure of the line body stabilizing assembly (third buckle body and fourth buckle body) in an embodiment of the present invention;

[0036] Fig.10 It is an enlarged view of the line body stabilizing assembly (the third buckle body and the fourth buckle body) in the embodiment of the present invention;

[0037] Fig.11 It is an enlarged perspective view of the line body stabilizing assembly (the third buckle body and the fourth buckle body) in the embodiment of the present invention;

[0038] Fig.12 It is a schematic structural diagram of the third buckle body, the fourth buckle body and the sealing block in an embodiment of the present invention;

[0039] Fig.13 This is a schematic diagram of the structure of the wire bin in an embodiment of the present invention;

[0040] Fig.14 This is an exploded view of the structure of the wire bin in the embodiment of the present invention;

[0041] Fig.15 An exploded view of the structure of the front housing in an embodiment of the present invention;

[0042] Fig.16 An exploded view of the structure of the rear housing in an embodiment of the present invention;

[0043] Fig.17 This is a schematic diagram of the installation of the wire bin in an embodiment of the present invention;

[0044] Among them, 1. rear shell; 2. wire beads; 3. crank handle; 4. rocker arm; 5. bearing screw; 6. mounting screw; 7. first wire body; 8. belt plug; 9. belt; 10. belt buckle of front shell; 11. front shell; 12. handle of rear shell; 13. handle of front shell; 14. belt buckle of rear shell; 15. wire bin; 16. wire body; 21. wire body joint; 22. second wire body; 23. first buckle body; 24. second buckle body; 25. wire protection sleeve; 26. second wire hoop; 27. wire hanging ring; 28. first wire hoop; 29. ​​first screw; 30. cap nut; 31. second screw; 32. first bolt; 33. second bolt; 34. bearing sleeve; 35. bearing; 36. nut; 38. third wire body; 39. third buckle body; 40. fourth buckle body; 41. sealing block. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0046] Example:

[0047] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations of the embodiments of the present invention are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0048] It should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0049] In the description of the present invention, "multiple" means at least two, such as two, three, etc., unless otherwise clearly defined. In addition, unless otherwise clearly defined and defined, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0050] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0051] The pipe threader provided by the present invention includes a shell, a driving assembly and a fixing assembly. A rotatable wire bin is provided inside the shell, the wire bin is used to load the wire body, the driving assembly is used to drive the wire bin to rotate, and the fixing assembly is provided on the outer surface of the shell, and the fixing assembly is used to fix the shell to the user.

[0052] Specifically, see Figures 1 to 4 A rotatable wire bin 15 is installed in the shell of the present pipe threader. After the wire bin 15 is driven to rotate by the driving component, the wire body 16 outside the wire bin 15 can be retracted into the wire bin 15. Moreover, after the shell is fixed to the user by the fixing component, it is more convenient to carry and also facilitates the user to perform threading operations. In addition, the driving component may include but is not limited to hand-cranked drive, electric drive, etc., and the fixing component may include but is not limited to strap or belt fixation, hook or buckle fixation, etc. It should be noted that the wire body 16 may include wire bodies of different materials. For example, it may be made of plastic steel, metal, etc. In the following embodiments, the wire body 16 includes a first wire body 7, a second wire body 22, and a third wire body 38 of different materials, and the hardness and softness of the materials are arranged from hard to soft, respectively, as the first wire body 7, the second wire body 22, and the third wire body 38.

[0053] As an optional implementation, in some embodiments, the housing includes a detachably connected front housing 11 and a rear housing 1, and the front housing 11 and the rear housing 1 are respectively provided with mutually symmetrical notches. When the front housing 11 and the rear housing 1 are connected, the two notches form a wire outlet hole through which the wire body 16 can pass, and a wire protection sleeve 25 is provided at the wire outlet hole. Figure 5 and Figure 6 The housing of the pipe threader is formed by a detachable connection between a front housing 11 and a rear housing 11. When the components in the housing need to be replaced, this structure is convenient for installation and removal. At the same time, the outlet hole of the pipe threader is formed by splicing the notches of the front housing 11 and the rear housing 1 that are relatively located and symmetrical in shape, so that it is convenient to install the wire sheath 25 at the outlet hole and to remove it when replacing it. In addition, after installing the wire sheath 25, the housing can be protected to avoid being worn by the wire body 16.

[0054] In the above embodiment, further, the wire bin 15 is movably connected to the front shell 11 and the rear shell 1 through bearings, and the wire bin 15 has a groove, and a through hole is provided in the groove, and the through hole has an internal thread; the wire body 16 is wound in the groove, and one end of the wire body 16 in the wire bin 15 is fixed by the cooperation of a screw and the through hole. Further, an observation hole is provided on the front shell 11 and / or the rear shell 1, and a handle is provided on the front shell 11 and / or the rear shell 1, and a bearing sleeve 34 is provided on the bearing 35. Among them, see Figures 13 to 17 , the front shell 11 has a bolt hole, the second bolt 33 passes through the bearing 35 and the bolt hole, the bearing 35 is sleeved with a bearing 34 to ensure the stability and reliability of the bearing 35 during operation, and the nut 36 is assembled on the second bolt 33 extending out of the front shell 11, so that the bearing 35 and the bearing sleeve 34 are fixed in the front shell 11 and can rotate. The structure of the rear shell 1 is symmetrical with that of the front shell 11, and will not be repeated here. The wire bin 15 is installed between the front shell 11 and the rear shell 1, and its two sides are limited by the bearing sleeve 34 and can rotate when the bearing 35 rotates. The tail of the first wire body 7 is fixed in the groove of the wire bin 15 by the first screw 29. In addition, the design of the handle 12 of the rear shell and the handle 13 of the front shell is convenient for the user to lift the pipe threader, and the observation hole is opened on the front shell 11 or / and the rear shell 1 to facilitate the observation of the internal wire bin 15. When the wire bin 15 is found to be faulty, it can be replaced in time.

[0055] In the above embodiment, further, a wire stabilizing assembly for stabilizing the wire body 16 is included. The wire stabilizing assembly is installed at one end of the wire body 16 passing through the wire outlet hole. The wire stabilizing assembly is connected to a wire hanging ring 27. A wire bead 2 is also arranged between the wire stabilizing assembly and the wire hanging ring 27. The wire hanging ring 27 is used to hang the wire and pull the wire through the pipeline. It can use a polymer braided wire such as Dyneema or Kevlar, and the wire bead 2 can play a guiding role when the wire body 16 passes through the pipeline to prevent the wire head from hitting the inner wall of the pipeline.

[0056] As an optional implementation, in some embodiments, the wire stabilizing assembly includes a first buckle body 23 and a second buckle body 24, the first buckle body 23 is provided with a first opening, one end of the wire passing through the wire outlet hole is inserted into the first opening and fixed, the outer surface of the first buckle body 23 has an external thread, the second buckle body 24 is provided with a second opening and a third opening, the second opening has an internal thread matching the external thread, the first buckle body 23 is threadedly connected to the second buckle body 24, and the third opening is connected to one end of the wire hanging ring 27. Figure 7 and Figure 8The first buckle body 23 is a metal buckle with a first opening inside and a thread outside. One end of the third wire body 38 is inserted into the first opening of the first buckle body 23 and fixed by punching. The external thread of the first buckle body 23 is connected with the second opening thread in the second buckle body 24. The second buckle body 24 is a cup-shaped metal part, and the third opening at the other end thereof is inserted into the wire hanging ring 27. This structural design has better stability and can stabilize the wire body in the wire bin 15.

[0057] As an optional implementation, in some embodiments, the wire stabilizing assembly includes a third buckle body 39 and a fourth buckle body 40, the third buckle body 39 is provided with a fourth opening, one end of the wire passing through the wire outlet hole is inserted into the fourth opening and fixed, the third buckle body 39 has a protrusion, the fourth buckle body 40 has an inner cavity, an opening and a fifth opening, the inner cavity is connected to the opening, the opening is adapted to the protrusion, the protrusion is inserted into the opening and movably connected in the inner cavity, and the fifth opening is connected to one end of the wire hanging ring; it also includes a sealing block, which is clamped at the opening. Among them, see Figures 9 to 12 The protrusion of the third buckle body 39 is in a ball head shape and is made of metal. A fourth opening is provided at one end connected to the third wire body 38 and is also fixed in the hole by stamping. The ball head structure at the other end is connected to the fourth buckle body 40. The material of the fourth buckle body 40 is also metal. The fourth buckle body 40 has a bowl-shaped inner cavity and an opening that matches the shape of the protrusion of the third buckle body 39. The size of the opening is slightly larger than the protrusion. In this way, the protrusion can pass through the opening and enter the bowl-shaped inner cavity, and the opening is closed by a sealing block to prevent the protrusion from loosening. There is a gap in the inner cavity, which allows the protrusion of the ball head structure to move within a certain range. In this way, the flexibility of the wire body when passing through the pipe can be greatly improved.

[0058] As an optional implementation, in some embodiments, the driving assembly includes a rocker arm 4 and a rocker handle 3 which is gap-fitted with the rocker arm 4, the wire bin 15 is provided with a stud, and the rocker arm 4 is mounted on the wire bin 14 by means of a bolt, a nut and a stud; the rocker handle 3 is shaken to drive the wire bin 15 to rotate, thereby retracting the wire body 16 into the wire bin 15. Fig.14 The pipe threader is driven by hand cranking. The first bolt 32 is assembled in the stud of the wire bin 15. The second screw 31 assembles the crank handle 3 on the rocker arm 4 so that it can rotate freely. Then, the rocker arm 4 is installed on the wire bin 15 through the thread cooperation of the cap nut 30 and the first bolt 32. In this way, the wire bin 15 can be driven to rotate by shaking the crank handle 3, so that the wire body 16 can be retracted into the wire bin 15.

[0059] As an optional implementation, in some embodiments, the fixing assembly includes a belt buckle and a belt 9, the belt buckle has two protrusions, the two protrusions are fixedly connected to the outer surface of the shell, and the belt buckle also has a recessed portion that allows the belt 9 to pass through, and the two ends of the belt 9 are provided with matching belt plugs 8. Figures 2 to 4 The pipe threader is fixed to the user's waist by a belt buckle and a belt 9, and the front shell belt buckle 10 and the rear shell belt buckle 14 are respectively installed on the shell. When using it, first pass the belt 9 through the front shell belt buckle 10 or the rear shell belt buckle 14, then fix the shell to the user's waist, and finally use the belt plug 8 to quickly fix or remove it. In addition, the user can choose to equip the belt 9 on the front shell 11 or the rear shell 1 according to the actual use situation. After the shell is fixed, the user can carry it at any time when using it and can thread and pull the wire with one hand, which provides the greatest convenience for the user.

[0060] In the above embodiment, further, a small bag with a zipper can be hung on the belt 9 for carrying parts such as hanging wire rings, wire beads, etc., so that the user can repair and replace them at any time.

[0061] As an optional implementation, in some embodiments, it further includes a first wire hoop 28 and a second wire hoop 26, the end of the wire hanging ring 27 connected to the wire body stabilizing component is provided with the first wire hoop 28, and the end of the wire hanging ring 27 close to the ring is provided with the second wire hoop 26; it also includes a wire body joint 21, when there are multiple wire bodies, adjacent wire bodies are connected end to end through the wire body joint 21. Among them, see 8 and Fig.11 The first wire hoop 28 is used to prevent the hanging wire ring 27 from loosening, while the second wire hoop 26 is used to prevent the wire bead 2 from loosening, so as to further improve the stability of the pipe threader. The first wire hoop 28 and the second wire hoop 26 are made of metal. In actual use, the first wire hoop 28 and the second wire hoop 26 can also be replaced by a knotted band. In addition, the pipe threader also has a wire body joint 21. When the wire body 16 is composed of wire bodies of various materials, adjacent wire bodies are fixed by the wire body joint 21. The wire body joint 21 is a metal joint with connecting holes inside. The adjacent wire bodies are fixed in the joint by stamping and riveting to achieve a tighter effect. When facing large-diameter pipes or occasions with certain requirements on the hardness of the wire body material, the wire body 16 uses a single-material wire body, and there is no need to use the wire body joint 21.

[0062] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0063] The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable ordinary technicians in the field to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made based on the essence of the content of the present invention should be included in the protection scope of the present invention.

Claims

1. A pipe threader, characterized in that: include: A housing, inside which a rotatable wire bin is disposed, the wire bin being used to load the wire body; A driving assembly, used for driving the wire bin to rotate; A fixing component is arranged on the outer surface of the shell, and the fixing component is used to fix the shell on the user.

2. The pipe threader according to claim 1, characterized in that: The shell comprises a front shell and a rear shell which are detachably connected, and the front shell and the rear shell are respectively provided with mutually symmetrical notches. When the front shell is connected to the rear shell, the two notches form a wire outlet hole through which the wire body can pass, and a wire protection sleeve is provided at the wire outlet hole.

3. The pipe threader according to claim 2, characterized in that: The wire bin is movably connected to the front shell and the rear shell through bearings, and a groove is provided in the wire bin, a through hole is provided in the groove, and the through hole has an internal thread; The wire body is wound in the groove, and one end of the wire body in the wire bin is fixed by the cooperation of a screw and the through hole.

4. The pipe threader according to claim 3, characterized in that: The driving assembly includes a rocker arm and a rocker handle which is gap-assembled with the rocker arm, the wire bin is provided with a stud, and the rocker arm is mounted on the wire bin by the cooperation of a bolt, a nut and the stud; The crank handle is shaken to drive the wire bin to rotate, thereby retracting the wire body into the wire bin.

5. The pipe threader according to claim 1, characterized in that: The fixing assembly includes a belt buckle and a belt. The belt buckle has two protrusions, and the two protrusions are fixedly connected to the outer surface of the shell. The belt buckle also has a recessed portion that allows the belt to pass through. Matching belt plugs are provided at both ends of the belt.

6. The pipe threader according to claim 3, characterized in that: It also includes a wire stabilizing component for stabilizing the wire body, the wire stabilizing component is installed on one end of the wire body passing through the wire outlet hole, the wire stabilizing component is connected to a wire hanging ring, and a wire bead is also arranged between the wire stabilizing component and the wire hanging ring.

7. The pipe threader according to claim 6, characterized in that: The wire stabilizing assembly includes a first buckle body and a second buckle body, the first buckle body is provided with a first opening, one end of the wire body passing through the wire outlet hole is inserted into the first opening and fixed, the outer surface of the first buckle body has an external thread, the second buckle body is provided with a second opening and a third opening, the second opening has an internal thread adapted to the external thread, the first buckle body is threadedly connected to the second buckle body, and the third opening is connected to one end of the wire hanging ring.

8. The pipe threader according to claim 6, characterized in that: The wire body stabilizing assembly comprises a third buckle body and a fourth buckle body, the third buckle body is provided with a fourth opening, one end of the wire body passing through the wire outlet hole is inserted into the fourth opening and fixed, the third buckle body has a protrusion, the fourth buckle body has an inner cavity, an opening and a fifth opening, the inner cavity is connected to the opening, the opening is adapted to the protrusion, the protrusion is inserted into the opening and movably connected in the inner cavity, and the fifth opening is connected to one end of the wire hanging ring; A sealing block is also included, and the sealing block is clamped at the opening.

9. The pipe threader according to claim 3, characterized in that: An observation hole is provided on the front shell and / or the rear shell, a handle is provided on the front shell and / or the rear shell, and a bearing sleeve is sleeved on the bearing.

10. The pipe threader according to claim 6, characterized in that: It also includes a first wire hoop and a second wire hoop, wherein the first wire hoop is provided at one end of the wire hanging ring connected to the wire body stabilizing assembly, and the second wire hoop is provided at one end of the wire hanging ring close to the ring; It also includes a wire body joint. When there are multiple wire bodies, adjacent wire bodies are connected end to end through the wire body joint.

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