CN214088944U

CN214088944U - Shuttle sleeve

Info

Publication number: CN214088944U
Application number: CN202022822228.2U
Authority: CN
Inventors: 林泽贤
Original assignee: Individual
Current assignee: Zhongshan Yinuote Intelligent Technology Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-08-31
Anticipated expiration: 2030-11-27

Abstract

The utility model belongs to the technical field of sewing machine accessory technique and specifically relates to indicate a shuttle cover, including shuttle cover main part, line ball power adjusting mechanism, handle and line ball, line ball and shuttle cover main part sliding connection, shuttle cover main part is equipped with open line chamber, the top of shuttle cover main part is equipped with the line groove, cross the line hole, metallic channel and wire groove, cross line hole and open line chamber intercommunication, cross the both ends of line groove respectively with the opening in open line chamber with cross the line hole intercommunication, the line ball face of line ball encloses with the lateral wall of metallic channel and establishes into the line ball clearance, the both ends in line ball clearance respectively with cross line hole and wire groove intercommunication, the one end and the shuttle cover main part of handle rotate to be connected, line ball power adjusting mechanism locates shuttle cover main part, line ball power adjusting mechanism is used for adjusting the line ball power of line ball block. The utility model discloses a structural design is ingenious, and the distance of being qualified for the next round of competitions is short, and it is good to be qualified for the next round of competitions tension uniformity, changes that the line ball is convenient, high-efficient, and unwrapping wire length is controlled easily, and the unwrapping wire precision is good, and this shuttle cover is convenient, laborsaving with the dismouting of interior shuttle frame.

Description

Shuttle sleeve

Technical Field

The utility model relates to a sewing machine accessory technical field especially indicates a shuttle cover.

Background

During sewing, the thread supplied by the bobbin case serves as a bobbin thread. The shuttle sleeve in the prior art mainly comprises a rotating sleeve, a base plate, an upper cover plate, a line pressing plate and a mandrel arranged on the base plate, the structure is complex, the distance is long, the outgoing line tension is difficult to keep consistent, a line wheel can rotate around the mandrel under the action of inertia during line releasing, the line releasing length is unstable, the line head is easy to overlong, due to the mandrel and the line wheel, the line accommodating amount is small, the line ball needs to be frequently replaced, in addition, when the line ball is replaced, the shuttle sleeve is firstly required to be detached from an inner shuttle frame through a special tool, then the upper cover plate and the rotating sleeve are detached, the line ball with the line wheel can be replaced on the mandrel of the base plate, the dismounting and the mounting and the dismounting of the shuttle sleeve are difficult, the operation for replacing the line ball is complex, and the efficiency is low. Therefore, the drawbacks are obvious, and a solution is needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide a shuttle cover, structural design is ingenious, and the distance of being qualified for the next round of competitions is short, and it is good to be qualified for the next round of competitions tension uniformity, changes that the line ball is convenient, high-efficient, and unwrapping wire length is controlled easily, and the unwrapping wire precision is good, and the volume of holding the line is big, and this shuttle cover is convenient, laborsaving with the dismouting of interior shuttle frame.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a shuttle sleeve comprises a shuttle sleeve main body, a thread pressing and force adjusting mechanism, a handle and a thread pressing block, wherein the thread pressing block is connected with the shuttle sleeve main body in a sliding way, the shuttle sleeve main body is provided with an opening line cavity, the opening of the opening line cavity is positioned on the side wall of the shuttle sleeve main body, the top of the shuttle sleeve main body is provided with a thread passing groove, a thread passing hole, a thread guiding groove and a thread outlet groove, the thread passing hole is communicated with the open thread cavity, the two ends of the wire-passing groove are respectively communicated with the opening of the opening wire cavity and the wire-passing hole, the wire-pressing surface of the wire-pressing block and the side wall of the wire guide groove are enclosed to form a wire-pressing gap, two ends of the thread pressing gap are respectively communicated with the thread through hole and the thread outlet groove, the opening of the thread outlet groove is exposed on the side wall of the shuttle sleeve main body, one end of the handle is rotatably connected with the shuttle sleeve main body, the line pressing and force adjusting mechanism is arranged on the shuttle sleeve main body, and the line pressing and force adjusting mechanism is used for adjusting the line pressing force of the line pressing block.

Furthermore, the line ball force adjusting mechanism includes regulating part and elastic component, and shuttle cover main part is provided with the regulation hole, the elastic component slides and sets up in the regulation hole, the regulating part is contradicted to the one end of elastic component, and the line ball piece is contradicted to the other end of elastic component, the regulating part activity sets up in shuttle cover main part, the line ball power of line ball piece is adjusted via the elastic component to the regulating part.

Furthermore, the line ball force adjusting mechanism also comprises a guide pin, the guide pin is arranged in the adjusting hole in a sliding mode, the elastic piece is located between the adjusting piece and the guide pin, and one end of the guide pin is connected with the line ball block.

Further, the adjusting piece is in threaded connection with the adjusting hole.

Furthermore, the shuttle sleeve main body is concavely provided with a guide groove, and the line pressing block is convexly provided with a guide rail which is in sliding connection with the guide groove.

Furthermore, the line pressing block is provided with a fixing hole, a detaching groove communicated with the fixing hole and a detaching hole communicated with the starting end of the detaching groove, the detaching hole extends to the starting end of the fixing hole, and one end of the guide pin extends into the fixing hole in a protruding mode.

Furthermore, the wire pressing block extends to form an upper limiting plate and a side limiting plate, the upper limiting plate is accommodated in the wire outlet groove, the side limiting plate is located on one side of the wire outlet groove, and a wire outlet cavity is defined by the upper limiting plate, the side limiting plate and the side wall of the wire outlet groove.

Further, the other end of the handle is magnetically attracted with the shuttle sleeve main body through a magnet.

Furthermore, the concave mounting hole that is equipped with of medial surface of handle, magnet is installed in the mounting hole.

Furthermore, the top surface of the shuttle sleeve main body is concavely provided with an accommodating groove for accommodating a handle.

The utility model has the advantages that: in practical application, a thread ball is directly placed in an opening thread cavity of a shuttle sleeve main body through an opening of the opening thread cavity, so that two ends of the thread ball are respectively abutted against the top wall and the bottom wall of the opening thread cavity to realize the fixed installation of the thread ball, then the shuttle sleeve with the thread ball is installed in an inner shuttle frame, the thread ball supplies a bottom thread during sewing, the thread in the opening thread cavity moves from a thread passing groove to a thread passing hole, and the thread comes out from the thread passing hole and is guided to a thread outlet groove along a thread guide groove to be combined with an upper thread ring of a sewing machine to form a stitch; in this in-process, because the line of line ball is worn through the line ball clearance, the line ball exerts pressure with the line for the lateral wall of line laminating metallic channel avoids the line to upwards put at the sewing in-process and runs away, and the line ball can provide certain pressure for the line in the line ball clearance moreover, thereby guarantees the tension of line. According to the actual condition of sewing, the thread pressing force applied to the thread by the thread pressing block is adjusted through the thread pressing force adjusting mechanism so as to adjust the tension of the thread and ensure the consistency of the tension of the thread going out from the thread outlet groove, thereby ensuring the stability and consistency of stitches. When needs pull down this shuttle cover in interior shuttle frame, operating personnel can be directly through the handle with this shuttle cover extract in interior shuttle frame can, compare in prior art shuttle cover and the dismantlement of interior shuttle frame need specialized tool, the utility model discloses an add the handle in the shuttle cover main part, the dismouting of this shuttle cover and interior shuttle frame of being convenient for, dismouting and maintenance cost are low. Compared with the existing thread running mode of the shuttle sleeve, the shuttle sleeve reduces the thread outlet distance, thereby reducing the friction time between the shuttle sleeves of the salted fish and reducing the condition of thread outlet burrs. In addition, because the shuttle sleeve main body is provided with the open thread cavity, an operator only needs to directly install the thread coil in the open thread cavity, the thread coil is convenient to replace, compared with the shuttle sleeve in the prior art which needs the mandrel and the thread wheel to fix the thread coil, the shuttle sleeve does not need the mandrel and the thread wheel, so that the problem that the thread coil continuously supplies the thread due to inertial rotation of the mandrel or/and the thread wheel after the rotating shuttle stops rotating in the sewing process can be prevented, the length of a thread head after sewing is increased, the paying-off length is easy to control, the paying-off precision is good, meanwhile, the phenomenon of bird nest during sewing can be avoided from influencing the attractiveness and integrity of sewing cloth, and because the mandrel and the thread wheel are eliminated in the shuttle sleeve main body, the step of replacing the thread coil is simplified, the efficiency of replacing the thread coil is improved, the thread capacity of the open thread cavity is greatly increased, and the thread replacing times in the sewing process are reduced, the sewing quality is ensured, and the sewing work efficiency is improved. The utility model discloses a structural design is ingenious, and the distance of being qualified for the next round of competitions is short, and it is good to be qualified for the next round of competitions tension uniformity, changes that the line ball is convenient, high-efficient, and unwrapping wire length is controlled easily, and the unwrapping wire precision is good, and the volume of holding the line is big, and this shuttle cover is convenient, laborsaving with the dismouting of interior shuttle frame.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of another perspective of the present invention.

Fig. 3 is a schematic view of the exploded structure of the present invention.

Fig. 4 is an exploded schematic view of another view angle of the present invention.

Description of reference numerals:

1. a shuttle sleeve body; 11. an open wire cavity; 12. a wire passing groove; 13. a wire passing hole; 14. a wire guide groove; 15. an outlet groove; 16. an adjustment hole; 17. a guide groove; 18. a receiving groove; 19. a clip sheet; 2. a wire pressing and force adjusting mechanism; 21. an adjustment member; 22. an elastic member; 23. a guide pin; 3. a handle; 31. an operation section; 4. a line pressing block; 41. a guide rail; 42. a fixing hole; 43. disassembling the groove; 44. disassembling the hole; 45. an upper limiting plate; 46. a side limiting plate; 5. a magnet; 51. mounting holes; 6. and a through hole.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1 to 4, the present invention provides a shuttle sleeve, which comprises a shuttle sleeve main body 1, a thread pressing force adjusting mechanism 2, a handle 3 and a thread pressing block 4, wherein the thread pressing block 4 is slidably connected with the shuttle sleeve main body 1, the shuttle sleeve main body 1 is provided with an open thread cavity 11 for accommodating a thread ball, an opening of the open thread cavity 11 is located on a side wall of the shuttle sleeve main body 1, a thread passing groove 12, a thread passing hole 13, a thread guiding groove 14 and a thread outgoing groove 15 are arranged on a top of the shuttle sleeve main body 1, the thread passing hole 13 is communicated with the open thread cavity 11, the thread passing groove 12 is concavely arranged from the side wall of the shuttle sleeve main body 1 to a middle portion thereof, two ends of the thread passing groove 12 are respectively communicated with the opening of the open thread cavity 11 and the thread passing hole 13, a thread pressing surface of the thread pressing block 4 and a side wall of the thread guiding groove 14 enclose a thread pressing gap, two ends of the thread pressing gap are respectively communicated with the thread passing hole 13 and the thread outgoing groove 15, the opening of the wire outlet groove 15 is exposed on the side wall of the shuttle sleeve main body 1, one end of the handle 3 is rotatably connected with the shuttle sleeve main body 1, the wire pressing and force adjusting mechanism 2 is arranged on the shuttle sleeve main body 1, and the wire pressing and force adjusting mechanism 2 is used for adjusting the wire pressing force of the wire pressing block 4.

In practical application, a thread group is directly placed in the open thread cavity 11 of the shuttle sleeve main body 1 through an opening of the open thread cavity 11, so that two ends of the thread group respectively abut against the top wall and the bottom wall of the open thread cavity 11 to realize the fixed installation of the thread group, then the shuttle sleeve with the thread group is installed in an inner shuttle frame, the thread group supplies a bottom thread during sewing, the thread in the open thread cavity 11 moves from the thread through groove 12 to the thread through hole 13, and the thread comes out of the thread through hole 13 and is guided to the thread outlet groove 15 along the thread guide groove 14 to be combined with an upper thread ring of a sewing machine to form a stitch on sewing materials; in this process, because the line of line ball is worn through the line ball clearance, line ball 4 exerts pressure with the line for line laminating metallic channel 14's lateral wall avoids the line to upwards put at the sewing in-process and runs away, and line ball 4 can provide certain pressure for the line in the line ball clearance moreover, thereby guarantees the tension of line. According to the actual condition of sewing, the thread pressing force applied to the thread by the thread pressing block 4 is adjusted through the thread pressing force adjusting mechanism 2 so as to adjust the tension of the thread, and the tension of the thread going out from the thread outlet groove 15 is ensured to be consistent, so that the stability and consistency of stitches are ensured. When needs pull down this shuttle cover in from interior shuttle frame, operating personnel can be directly through handle 3 with this shuttle cover extract in from interior shuttle frame can, compare in the dismantlement of shuttle cover and interior shuttle frame among the prior art need specialized tool, the utility model discloses an add handle 3 on shuttle cover main part 1, the dismouting of this shuttle cover and interior shuttle frame of being convenient for, dismouting and maintenance cost are low. The thread passing groove 12 facilitates the entry of the thread supplied by the thread group in the open thread cavity 11 into the thread passing hole 13, and the thread passing hole 13 is discharged from the thread outlet groove 15 after passing through the thread pressing gap (the thread guide groove 14). In addition, because the shuttle sleeve main body 1 is provided with the open thread cavity 11, an operator only needs to directly install the thread coil in the open thread cavity 11, the thread coil is convenient to replace, compared with the shuttle sleeve in the prior art which needs the mandrel and the thread wheel to fix the thread coil, the shuttle sleeve does not need the mandrel and the thread wheel, so that the situation that the thread coil continuously supplies the thread due to the inertial rotation of the mandrel or/and the thread wheel after the rotating shuttle stops rotating and then the length of the thread head after sewing is increased can be prevented in the sewing process, the paying-off length is easy to control, the paying-off precision is good, meanwhile, the phenomenon of bird's nest during the sewing process can be avoided from influencing the aesthetic property and the integrity of sewing cloth, and because the mandrel and the thread wheel are eliminated in the shuttle sleeve main body 1, the step of replacing the thread coil is simplified, the efficiency of replacing the thread coil is improved, the thread capacity of the open thread cavity 11 is greatly increased, and the thread replacing times in the sewing process are reduced, the sewing quality is ensured, and the sewing work efficiency is improved.

The utility model discloses a structural design is ingenious, and the distance of being qualified for the next round of competitions is short, and it is good to be qualified for the next round of competitions tension uniformity, changes that the line ball is convenient, high-efficient, and unwrapping wire length is controlled easily, and the unwrapping wire precision is good, and the volume of holding the line is big, and this shuttle cover is convenient, laborsaving with the dismouting of interior shuttle frame.

In this embodiment, the thread pressing and force adjusting mechanism 2 includes an adjusting member 21 and an elastic member 22, the shuttle sleeve main body 1 is provided with an adjusting hole 16, an axis of the adjusting hole 16 is perpendicular to a side wall of the thread guide 14, that is, the adjusting hole 16 is horizontally arranged, the elastic member 22 is slidably arranged in the adjusting hole 16, one end of the elastic member 22 abuts against the adjusting member 21, the other end of the elastic member 22 abuts against the thread pressing block 4, the adjusting member 21 is movably arranged on the shuttle sleeve main body 1, and the adjusting member 21 adjusts a thread pressing force of the thread pressing block 4 through the elastic member 22; preferably, the elastic member 22 is an elastic column or a spring.

After the wire is pressed on the side wall of the wire guide groove 14 by the wire pressing block 4, the wire pressing block 4 provides a wire pressing force for the wire, so that the wire has a certain tension, when the wire pressing force needs to be increased, the adjusting piece 21 is driven, the adjusting piece 21 applies pressure to the elastic piece 22, the elastic piece 22 is driven to move towards the direction close to the wire guide groove 14 along the adjusting hole 16, the elastic piece 22 drives the wire pressing surface of the wire pressing block 4 to move towards the side wall close to the wire guide groove 14 until the wire pressing surface of the wire pressing block 4 presses the wire in a wire pressing gap on the side wall of the wire guide groove 14, and the wire pressing force for the wire is increased; when the line pressure needs to be reduced, only the reverse operation is needed. The adjustment process is stable, and is beneficial to adjusting the required tension of the wire according to actual conditions, and the tension of the wire going out from the wire outlet groove 15 is ensured to be consistent.

In this embodiment, the wire pressing and force adjusting mechanism 2 further includes a guide pin 23, the guide pin 23 is slidably disposed in the adjusting hole 16, the elastic member 22 is located between the adjusting member 21 and the guide pin 23, one end of the guide pin 23 is connected to the wire pressing block 4, and the other end of the guide pin 23 is slidably connected to the adjusting hole 16. In practice, the force of the adjusting member 21 acts on the guide pin 23 via the elastic member 22, and the force of the guide pin 23 acts on the wire via the wire pressing block 4 to provide tension to the wire. Compared with the guide pin 23, the elastic part 22 has the advantages that the service life of the guide pin 23 is long, the maintenance and use cost is low, the length required by the elastic part 22 is shortened by additionally arranging the guide pin 23, the maintenance and use cost can be reduced, the guide pin 23 is not easy to deform, the guide pin 23 is connected with the line pressing block 4, the stability of the line pressing block 4 is improved, and the line pressing block 4 is prevented from being easily separated from the shuttle sleeve main body 1.

In this embodiment, the adjusting member 21 is a screw, and the adjusting member 21 is in threaded connection with the adjusting hole 16; since the adjusting member 21 is screw-coupled to the adjusting hole 16, the adjusting member 21 is screwed so that the adjusting member 21 can reciprocate along the adjusting hole 16, and the reciprocating adjusting member 21 adjusts the pressure applied to the wire by the wire pressing block 4, thereby adjusting the tension of the wire.

In this embodiment, the shuttle sleeve body 1 is concavely provided with a guide groove 17, and the thread pressing block 4 is convexly provided with a guide rail 41 slidably connected with the guide groove 17. In the moving process of the line pressing block 4, the guide rail 41 is in sliding fit with the guide groove 17 to play a role in guiding, and the stability of applying pressure to the line by the line pressing block 4 is improved.

In this embodiment, the wire pressing block 4 is provided with a fixing hole 42, a detaching groove 43 communicating with the fixing hole 42, and a detaching hole 44 communicating with a start end of the detaching groove 43, the detaching hole 44 extends to the start end of the fixing hole 42, the detaching groove 43 and the detaching hole 44 are both located on the top surface of the wire pressing block 4, and one end of the guide pin 23 protrudes into the fixing hole 42. One end cartridge of uide pin 23 is in the fixed orifices 42 of cord grip 4, not only is convenient for the fixed connection of uide pin 23 and cord grip 4, and the assembly is convenient, guarantees uide pin 23 and cord grip 4 synchronous motion, can also avoid cord grip 4 and shuttle cover main part 1 to separate easily.

In this embodiment, the wire pressing block 4 extends to have an upper limiting plate 45 and a side limiting plate 46, the upper limiting plate 45 is accommodated in the wire outlet slot 15, the side limiting plate 46 is located at one side of the wire outlet slot 15, and the upper limiting plate 45, the side limiting plate 46 and the side wall of the wire outlet slot 15 enclose to form a wire outlet cavity. The upper limiting plate 45 and the side limiting plate 46 both limit the wires in the wire outlet groove 15, so that the wires are prevented from upwards running away or running away to one side, and the stability of the outgoing wires is improved.

In this embodiment, the other end of the handle 3 is magnetically attracted to the bobbin case body 1 via the magnet 5. In practical application, an operator swings the handle 3 to open the handle 3 at a certain angle relative to the shuttle sleeve main body 1, so that the operator can conveniently detach the shuttle sleeve from the inner shuttle frame; when the shuttle sleeve is arranged on the inner shuttle frame, the handle 3 is magnetically attracted on the surface of the shuttle sleeve main body 1 through the magnet 5, so that the stability of the handle 3 is improved.

In this embodiment, the concave mounting hole 51 that is equipped with of medial surface of handle 3, magnet 5 installs in mounting hole 51, and magnet 5 is interference fit with mounting hole 51 for magnet 5 follows handle 3 and removes. The magnet 5 is mounted in the mounting hole 51, on one hand, to facilitate assembly of the magnet 5 with the handle 3, and on the other hand, to make the structure of the sleeve body 1, the magnet 5 and the handle 3 compact.

In this embodiment, the top surface of the shuttle sleeve body 1 is concavely provided with a receiving groove 18 for receiving the handle 3. When the handle 3 is attached to the shuttle sleeve main body 1, the handle 3 is accommodated in the accommodating groove 18, so that the handle 3 and the shuttle sleeve main body 1 are compact in structure, and the top surface of the shuttle sleeve main body 1 is relatively flat.

Specifically, a clamping sheet 19 is convexly arranged on the side wall of the shuttle sleeve main body 1; after the shuttle sleeve is assembled in the inner shuttle frame, the clamping piece 19 of the shuttle sleeve main body 1 is clamped with the clamping groove of the inner shuttle frame, so that the shuttle sleeve is fixedly connected with the inner shuttle frame.

Specifically, the bottom surface of the shuttle sleeve main body 1 is provided with a through hole 6 communicated with an opening line cavity 11; the through hole 6 is arranged, on one hand, materials are saved, the weight of the shuttle sleeve is reduced, and on the other hand, the through hole 6 belongs to a process hole, so that the shuttle sleeve main body 1 is convenient to produce and manufacture.

Specifically, the handle 3 is provided with an operating portion 31, and the operating portion 31 protrudes out of the accommodating groove 18, so that an operator can open the handle 3 at a certain angle conveniently and conveniently.

All the technical features in the embodiment can be freely combined according to actual needs.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

Claims

1. A shuttle sleeve, comprising: the novel shuttle sleeve comprises a shuttle sleeve main body, a line pressing and force adjusting mechanism, a handle and a line pressing block, wherein the line pressing block is connected with the shuttle sleeve main body in a sliding mode, an open line cavity is formed in the shuttle sleeve main body, an opening of the open line cavity is located in the side wall of the shuttle sleeve main body, a line passing groove, a line passing hole, a wire guiding groove and a line outgoing groove are formed in the top of the shuttle sleeve main body, the line passing hole is communicated with the open line cavity, two ends of the line passing groove are respectively communicated with the opening of the open line cavity and the line passing hole, a line pressing surface of the line pressing block and the side wall of the wire guiding groove are defined into a line pressing gap, two ends of the line pressing gap are respectively communicated with the line passing hole and the line outgoing groove, the opening of the line outgoing groove is exposed out of the side wall of the shuttle sleeve main body, one end of the handle is rotatably connected with the shuttle sleeve main body, the line pressing and force adjusting mechanism is arranged in the shuttle sleeve main body and is used for adjusting the line pressing force of the line pressing block.

2. The shuttle sleeve of claim 1, wherein: the line ball power of transferring mechanism includes regulating part and elastic component, and shuttle cover main part is provided with the regulation hole, the elastic component slides and sets up in the regulation hole, the regulating part is contradicted to the one end of elastic component, and the line ball piece is contradicted to the other end of elastic component, the regulating part activity sets up in shuttle cover main part, the line ball power of line ball piece is adjusted via the elastic component to the regulating part.

3. The shuttle sleeve of claim 2, wherein: the wire pressing force adjusting mechanism further comprises a guide pin, the guide pin is arranged in the adjusting hole in a sliding mode, the elastic piece is located between the adjusting piece and the guide pin, and one end of the guide pin is connected with the wire pressing block.

4. A sleeve according to claim 2 or 3, wherein: the adjusting piece is in threaded connection with the adjusting hole.

5. The shuttle sleeve of claim 1, wherein: the shuttle sleeve main body is concavely provided with a guide groove, and the line pressing block is convexly provided with a guide rail which is in sliding connection with the guide groove.

6. A sleeve according to claim 3, wherein: the wire pressing block is provided with a fixing hole, a detaching groove communicated with the fixing hole and a detaching hole communicated with the starting end of the detaching groove, the detaching hole extends to the starting end of the fixing hole, and one end of the guide pin extends into the fixing hole in a protruding mode.

7. The shuttle sleeve of claim 1, wherein: the wire pressing block extends to form an upper limiting plate and a side limiting plate, the upper limiting plate is accommodated in the wire outlet groove, the side limiting plate is located on one side of the wire outlet groove, and a wire outlet cavity is formed by the upper limiting plate, the side limiting plate and the side wall of the wire outlet groove in an enclosing mode.

8. The shuttle sleeve of claim 1, wherein: the other end of the handle is magnetically attracted with the shuttle sleeve main body through a magnet.

9. The shuttle sleeve of claim 8, wherein: the medial surface concave mounting hole that is equipped with of handle, magnet is installed in the mounting hole.

10. The shuttle sleeve of claim 1, wherein: the top surface of shuttle cover main part is equipped with the groove of accomodating that is used for accomodating the handle in the concave.