A shuttle and a circular loom

Abstract

The present invention discloses a shuttle, belonging to the field of textile, which solves the problem that dust is likely to accumulate in the guiding groove, and even passes through the guiding groove and accumulates in the space where the return spring is located. The technical solution to solve this problem is mainly that a sliding sleeve is sleeved on the outer periphery of the guiding component. The sliding sleeve moves along the guiding component, and the two ends of the stroke are respectively the first position and the second position. The sliding sleeve is closer to the second socket at the first position than at the second position. A closed inner cavity for installing an elastic member is formed between the sliding sleeve and the guiding component. The elastic member acts on the sliding sleeve to keep it in a tendency to move towards the first position. One of the inner side wall of the sliding sleeve and the outer side wall of the guiding component is provided with a guide rail, and the other is provided with a sliding member. The sliding member slides along the guide rail to guide the relative movement of the sliding sleeve with respect to the guiding component. The first socket is rotationally connected to the sliding sleeve and axially positioned on the sliding sleeve. The present invention is mainly used for unwinding weft filaments to improve the good user experience. The present invention also provides a circular loom, including the above-mentioned shuttle.

Description

Technical Field

[0001] The present invention relates to plastic weaving machinery, in particular to a shuttle and a circular loom. Background Art

[0002] In the prior art, there is a shuttle for a plastic circular loom, with the authorized announcement number CN215828980U. Specifically disclosed therein is that a first tube seat and a second tube seat are rotatably provided on a shuttle frame. The first tube seat and the second tube seat are spaced apart and form an installation space for installing a weft yarn bobbin. An installation seat for installing the first tube seat is provided on the shuttle frame. The first tube seat can be slidably provided on the installation seat. A lever for driving the first tube seat to slide is provided on the first tube seat. A reset member for driving the first tube seat to slide back towards the second tube seat is provided on the installation seat. A guiding groove is formed on the installation seat. The lever can be slidably provided in the guiding groove. By adopting the above technical solution, the weft yarn bobbin can be installed between the first tube seat and the second tube seat in a time-saving and labor-saving manner, meeting the requirement of installing the weft yarn bobbin between the first tube seat and the second tube seat. In this prior art, a jack is provided on the installation seat, and a plug rod inserted into the jack is provided on the side of the first tube seat facing away from the second tube seat. The lever passes through the guiding groove and is fixedly connected to the plug rod. The reset member is a reset spring, and the plug rod presses the reset spring into the jack. Since when the plastic circular loom is working, a large amount of dust will be generated due to the abrasion of the plastic flat filaments during the pulling process. The guiding groove is provided on the installation seat and is exposed outside, and dust is easily accumulated in the guiding groove. In severe cases, it will even pass through the guiding groove and enter the jack, resulting in the accumulation of dust in the jack. After using for a period of time, it may cause the reset member, the plug rod, and the lever to be stuck and difficult to move, and it needs to be disassembled and cleaned regularly, bringing a bad use experience to users. Summary of the Invention

[0003] The purpose to be achieved by the present invention is to provide a shuttle, which solves the problem that dust is easily accumulated in the guiding groove and even accumulates in the space where the reset spring is located through the guiding groove.

[0004] To achieve the above purpose, the present invention adopts the following technical solution: A shuttle includes a shuttle body, a first tube seat, and a second tube seat. Shuttle wheels are respectively provided on both sides of the shuttle body. The second tube seat is rotatably connected to the shuttle body. The shuttle body is fixedly connected with a guiding component. A sliding sleeve is sleeved on the outer periphery of the guiding component. The sliding sleeve moves along the guiding component, and the two ends of the stroke are respectively a first position and a second position. The sliding sleeve is closer to the second tube seat at the first position than at the second position. A closed inner cavity for installing an elastic member is formed between the sliding sleeve and the guiding component. The elastic member acts on the sliding sleeve to keep it in a tendency to move towards the first position. One of the inner side wall of the sliding sleeve and the outer side wall of the guiding component is provided with a guide rail, and the other is provided with a sliding member. The sliding member slides along the guide rail to guide the relative movement of the sliding sleeve with respect to the guiding component. The first tube seat is rotatably connected to the sliding sleeve and axially positioned on the sliding sleeve.

[0005] After adopting the above technical solution, the present invention has the following advantages: Since the first socket is rotatably connected to the sliding sleeve, the first socket can rotate freely, realizing free unwinding of the weft yarn. At the same time, the first socket is axially positioned on the sliding sleeve and can move axially along with the sliding sleeve. When the worker operates the sliding sleeve to overcome the elastic force of the elastic member, the sliding member slides along the guide rail to guide the sliding sleeve to move relative to the guiding assembly, so that the sliding sleeve drives the first socket to axially move away from the second socket, and the weft bobbin can be installed between the first socket and the second socket in a time-saving and labor-saving manner. In addition, the guiding assembly is sleeved by the sliding sleeve, and one of the inner side wall of the sliding sleeve and the outer side wall of the guiding assembly is provided with a guide rail, and the other is provided with a sliding member. The guide rail can be completely blocked by the sliding sleeve, and basically no dust will fall and accumulate on the guide rail, or at least a part of the guide rail will be blocked by the sliding sleeve, which can also effectively reduce the accumulation of dust on the guide rail. And the elastic member is arranged in the closed inner cavity between the sliding sleeve and the guiding assembly and is basically covered by the sliding sleeve and the guiding assembly. Therefore, dust can be effectively prevented from entering the closed inner cavity. At the same time, the guide rail does not need to penetrate the guiding assembly and naturally does not need to communicate with the closed inner cavity where the elastic member is located. Therefore, the elastic member and the sliding sleeve are not easily stuck due to dust accumulation, and the smoothness of the worker's operation of the sliding sleeve can be ensured after long-term use, greatly improving the good user experience.

[0006] Further, the guiding assembly includes a guiding seat and a core shaft. The core shaft is connected to the shuttle body and fixes the guiding seat to the shuttle body.

[0007] Further, the sliding sleeve includes a first sleeve body cooperating with the guiding seat and a second sleeve body cooperating with the core shaft. The guide rail and the sliding member are selectively arranged on the first sleeve body. The first socket is rotatably connected and axially positioned on the outer periphery of the second sleeve body; and / or, the elastic member is sleeved on the outer periphery of the core shaft, and one end of the elastic member abuts against the sliding sleeve, and the other end abuts against the guiding seat or the core shaft.

[0008] Further, the guiding seat is provided with a through hole. The core shaft passes through the through hole and is connected to the shuttle body. The core shaft is provided with a positioning shoulder, and the positioning shoulder abuts against the guiding seat to fasten the guiding seat to the shuttle body; or, the guiding seat and the core shaft are of an integrally formed structure.

[0009] Further, the guide rail spirally extends around the rotation axis of the first socket and the circumferential extension angle is A, A = 90° - 120°; or, the axial distance from the first position to the second position is 10 - 15 mm.

[0010] Further, the sliding member includes a slider, and the slider slides along the guide rail; or, the sliding member includes a convex shaft and a roller installed on the convex shaft, and the roller rolls along the guide rail.

[0011] Further, the guide rail is a groove structure, and the sliding member extends into the guide rail for cooperation; or, the guide rail is a rib structure, and the sliding member is provided with a chute for cooperating with the guide rail.

[0012] Further, a wrench or concave-convex structure for facilitating the application of force to drive the sliding sleeve is provided on the outer periphery of the sliding sleeve; alternatively, a wrench is provided on the outer periphery of the sliding sleeve, and the end of the wrench passes through the sliding sleeve to form a sliding member.

[0013] Further, the guide rail is provided with a locking position for cooperating with the sliding member to allow the sliding sleeve to stay at the second position; alternatively, the shuttle body or the guiding assembly is provided with a magnet for adsorbing the sliding sleeve to allow the sliding sleeve to stay at the second position.

[0014] The present invention also provides a circular loom, including a door ring assembly and a shuttle. The shuttle makes a circular motion on the door ring assembly, and the shuttle is the shuttle described in any one of the above technical solutions. Description of the Drawings

[0015] The present invention will be further described below with reference to the drawings:

[0016] Figure 1 It is a partial cross-sectional view (one) of the sliding sleeve in the first position in a shuttle of the present invention;

[0017] Figure 2 It is a partial cross-sectional view (two) of the sliding sleeve in the first position in a shuttle of the present invention;

[0018] Figure 3 It is a partial cross-sectional view (one) of the sliding sleeve in the second position in a shuttle of the present invention;

[0019] Figure 4 It is a partial cross-sectional view (two) of the sliding sleeve in the second position in a shuttle of the present invention;

[0020] Figure 5 It is a schematic diagram of a second shaft shoulder provided on a mandrel in a shuttle of the present invention;

[0021] Figure 6 It is a schematic diagram of the circumferential extension angle of a guide rail in a shuttle of the present invention;

[0022] Figure 7 It is a schematic diagram of a magnet provided on a shuttle body in a shuttle of the present invention;

[0023] Figure 8 It is a schematic diagram of a magnet provided on a guide seat in a shuttle of the present invention;

[0024] Figure 9 It is a schematic diagram of the rolling friction between a sliding member and a guide rail in a shuttle of the present invention;

[0025] Figure 10 It is a schematic diagram of the sliding sleeve blocking the guide rail in the second position in a shuttle of the present invention. Detailed Description of the Invention

[0026] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments.

[0027] The terms "first", "second", etc. (if any) in the description and claims of the present invention are used to distinguish similar objects, rather than to describe a specific order or sequence. Even if "second" is used to distinguish a certain technical feature, it does not necessarily imply the existence of "first". It should be understood that in the present invention, "including" and "having" and any variations thereof are intended to cover non-exclusive inclusion. It should be understood that in the present invention, "a plurality" means two or more. "And / or" is merely a description of the association relationship between associated objects, indicating that three relationships may exist. For example, X and / or Y may represent: X exists alone, X and Y exist simultaneously, and Y exists alone. The character " / " generally indicates that the associated objects before and after are in an "or" relationship. "Including X, Y, and Z" and "including X, Y, Z" mean that all of X, Y, and Z are included. "Including X, Y, or Z" means including any one of X, Y, and Z. "Including X, Y, and / or Z" means including any one, any two, or all three of X, Y, and Z.

[0028] The technical solutions of the present invention will be described in detail below with specific embodiments. These specific embodiments can be combined or replaced according to the actual situation. The same or similar concepts or processes may not be repeated in some embodiments.

[0029] As Figures 1 to 4 shown, the present invention provides a shuttle, which includes a shuttle body 1, a first socket 2, and a second socket. Shuttles are respectively arranged on both sides of the shuttle body 1. The second socket is rotatably connected to the shuttle body 1. The shuttle body 1 is fixedly connected with a guiding component. A sliding sleeve 4 is sleeved on the outer periphery of the guiding component. The sliding sleeve 4 moves along the guiding component, and the two ends of the stroke are respectively a first position and a second position. The sliding sleeve 4 is closer to the second socket at the first position than at the second position. A closed inner cavity 400 for installing an elastic member 5 is formed between the sliding sleeve 4 and the guiding component. The elastic member 5 acts on the sliding sleeve 4 to keep it in a tendency to move towards the first position. One of the inner side wall of the sliding sleeve 4 and the outer side wall of the guiding component is provided with a guide rail 61, and the other is provided with a slider 62. The slider 62 slides along the guide rail 61 to guide the relative movement of the sliding sleeve 4 with respect to the guiding component. The first socket 2 is rotatably connected to the sliding sleeve 4 and axially positioned on the sliding sleeve 4. When the sliding sleeve 4 is in the first position, that is, the position where the first socket and the second socket clamp and fix the weft bobbin, and when the sliding sleeve 4 is in the second position, that is, the position where the first socket is away from the second socket to replace the weft bobbin. Other structures of the shuttle can refer to the prior art mentioned in the background art.

[0030] In the present invention, since the first socket 2 is rotatably connected to the sliding sleeve 4, the first socket 2 can rotate freely, realizing free unwinding of the weft yarn. At the same time, the first socket 2 is axially positioned on the sliding sleeve 4 and can move axially with the sliding sleeve 4. When the worker operates the sliding sleeve 4 to overcome the elastic force of the elastic member 5, the slider 62 slides along the guide rail 61 to guide the sliding sleeve 4 to move relative to the guiding assembly, so that the sliding sleeve 4 drives the first socket 2 to axially move away from the second socket, and the old weft yarn tube can be removed and a new weft yarn bobbin can be installed between the first socket 2 and the second socket in a time-saving and labor-saving manner. In addition, the sliding sleeve 4 is used to sleeve the guiding assembly. At the same time, one of the inner side wall of the sliding sleeve 4 and the outer side wall of the guiding assembly is provided with a guide rail 61, and the other is provided with a slider 62. In one embodiment, the guide rail 61 is provided on the inner side wall of the sliding sleeve 4 and the slider 62 is provided on the outer side wall of the guiding assembly. Then the guide rail 61 is completely blocked by the sliding sleeve 4, and basically no dust will fall and accumulate on the guide rail 61. In another embodiment, the guide rail 61 is provided on the outer side wall of the guiding assembly and the slider 62 is provided on the inner side wall of the sliding sleeve 4. When the sliding sleeve 4 is in the first position, at least a part of the guide rail 61 will be blocked by the sliding sleeve 4. Therefore, dust accumulation on the guide rail 61 can also be effectively reduced. Further, the guide rail 61 can also be completely blocked by the sliding sleeve 4. For example Figure 10 As shown, the length of the sliding sleeve 4 is increased so that the sliding sleeve 4 will also block the guide rail when in the first position, and basically no dust will fall and accumulate on the guide rail 61. The elastic member 5 is arranged in the closed inner cavity 400 between the sliding sleeve 4 and the guiding assembly and is basically covered by the sliding sleeve 4 and the guiding assembly. Therefore, dust can be effectively prevented from entering the closed inner cavity 400. At the same time, the guide rail 61 does not need to penetrate the guiding assembly and naturally does not need to communicate with the closed inner cavity 400 where the elastic member 5 is located. Therefore, the elastic member 5 and the guide rail 61 are not easily stuck due to dust accumulation, and the smoothness of the worker operating the sliding sleeve 4 can be ensured after long-term use, greatly improving the good user experience of the user.

[0031] It should be noted that since the volume of the closed inner cavity 400 will change when the sliding sleeve 4 moves relative to the guiding assembly, the closed inner cavity 400 is not a sealed cavity, but only a relatively closed space where air can freely enter and exit, as long as the purpose of reducing dust entry can be achieved. The elastic member 5 can be a common cylindrical spring, or other common elastic parts such as other springs or elastic washers. The specific manner in which the first socket 2 is rotatably connected to the sliding sleeve 4 and axially positioned on the sliding sleeve 4 can adopt the cooperation of a common connecting bearing 21 and a snap ring 22, or other common existing technologies, which will not be elaborated here.

[0032] In one embodiment, the guiding assembly includes a guiding seat 31 and a core shaft 32. The core shaft 32 is connected to the shuttle body 1 and fixes the guiding seat 31 to the shuttle body 1. Specifically, the core shaft 32 and the guiding seat 31 can be processed separately, such as Figure 2As shown, the guide seat 31 is provided with a through hole 311. The core shaft 32 passes through the through hole 311 and is connected to the shuttle body 1. The core shaft 32 is provided with a positioning shoulder 321. The positioning shoulder 321 abuts against the guide seat 31 to fasten the guide seat 31 to the shuttle body 1. To prevent the guide seat 31 from rotating, the through hole 311 and the core shaft 32 are matched with a special-shaped hole, such as a D-shaped hole or a square hole, etc. Of course, it is also possible to select an integrally formed structure for the guide seat 31 and the core shaft 32.

[0033] On this basis, it can be designed that the sliding sleeve 4 includes a first sleeve body 41 that cooperates with the guide seat 31 and a second sleeve body 42 that cooperates with the core shaft 32. One of the guide rail 61 and the slider 62 is provided on the first sleeve body 41. The first pipe seat 2 is rotatably connected and axially positioned on the outer periphery of the second sleeve body 42. The guide seat 31 and the core shaft 32 respectively provide a guiding function, and the acting force can be borne more evenly.

[0034] Regarding the specific installation method of the elastic member 5, it can be selected that the elastic member 5 is sleeved on the outer periphery of the core shaft 32. One end of the elastic member 5 abuts against the sliding sleeve 4, and the other end abuts against the guide seat 31 or the core shaft 32. For example Figure 2 As shown in, one end of the elastic member 5 abuts against the second sleeve body 42, and the other end abuts against the inner hole end face of the guide seat 31. It can also be like Figure 5 As shown, the other end of the elastic member 5 abuts against the second shoulder 322 of the core shaft 32. The second shoulder 322 can also be the same shoulder structure as the positioning shoulder 321.

[0035] Considering that it is necessary to ensure that the worker can operate the sliding sleeve 4 time-saving and labor-saving, the guide rail 61 can be designed to spiral around the rotation axis of the first pipe seat 2. As Figure 6 shown, the circumferential extension angle of the guide rail 61 is A. In order to make the first pipe seat 2 far enough away from the second pipe seat, therefore, it can be designed that A = 90° - 120°. For example, A takes 90°, 100°, 105°, 110° or 120°, etc. If A is too small, a larger spiral angle needs to be designed, resulting in more laborious operation for the worker. If A is too large, the rotation angle of the worker's wrist will increase, which is also likely to cause discomfort. It can be understood that in addition to designing the guide rail 61 to spiral around the rotation axis of the first pipe seat 2, it can also be designed to extend linearly.

[0036] Considering that the axial movement distance of the first pipe seat 2 relative to the second pipe seat should be appropriate. If it is too large, it will cause the worker to operate time-consuming and laborious. If it is too small, it is not convenient for the weft yarn bobbin to be installed. Therefore, only the axial distance L from the first position to the second position can be appropriately determined to be 10 - 15 mm. For example, L takes 10 mm, 11 mm, 12 mm, 13 mm, 14 mm or 15 mm, etc.

[0037] As Figure 1 and Figure 3As shown, in one embodiment, the guide rail 61 is a groove structure, and the slider 62 extends into the guide rail 61 to cooperate. To briefly explain, the depth of the groove structure is appropriate and does not need to penetrate the guide seat 31. It can be understood that in another embodiment, the guide rail 61 can also be selected as a rib structure, and the slider 62 is provided with a slide groove that cooperates with the guide rail 61.

[0038] like Figure 1 and Figure 2 As shown, in order to make the worker's sliding operation more labor-saving, a wrench 8 can be provided on the outer periphery of the sliding sleeve 4 to facilitate the application of force to drive the sliding sleeve 4. On this basis, the end of the wrench 8 can be used to pass through the sliding sleeve 4 to form a slider 62, thereby simplifying the structure. The wrench 8 can adopt a round shaft structure or a flat shaft structure, etc., which is convenient for the worker to move with his fingers. In addition to providing the wrench 8, a concave-convex structure can also be added to the outer periphery of the sliding sleeve 4 to increase the friction resistance.

[0039] Some skilled workers can install the weft spindles synchronously when the sliding sleeve 4 moves. After the sliding sleeve 4 moves to the second position, the installation of the weft spindles can be completed. Some workers need to move the sliding sleeve 4 to the second position before starting to install the weft spindles. Therefore, considering that the workers need to overcome a large elastic force when keeping the sliding sleeve 4 in the second position, which is more laborious, a locking position 611 can be provided on the guide rail 61 to cooperate with the slider 62 to allow the sliding sleeve 4 to stay in the second position, for example Figure 1 After the weft spindle is installed, the sliding sleeve 4 can be rotated in the reverse direction to escape from the locking position 611. Under the elastic force of the elastic member 5, the sliding sleeve 4 will quickly return to the first position, so that the first tube seat 2 and the second tube seat can clamp the weft tube. If the guide rail 61 adopts a convex rib structure, the locking position 611 can be a convex rib extending circumferentially.

[0040] In addition to setting the locking position 611, it is also possible to Figure 7 As shown, the shuttle body 1 is provided with a magnet 9 for attracting the sliding sleeve 4 to allow the sliding sleeve 4 to stay in the second position, or Figure 8 As shown, the magnet 9 is arranged on the guide assembly. After installing the weft spindle, the worker overcomes the attraction of the magnet to separate the sliding sleeve 4 from the magnet 9, and the sliding sleeve 4 can return to the first position under the elastic force of the elastic member 5.

[0041] In addition to using a slider, the sliding member can also be designed to include a convex shaft 63 and a roller 64 installed on the convex shaft 63, and the roller 64 rolls along the guide rail 61. Figure 9As shown, a convex shaft 63 is formed at the end of the wrench 8, a roller 64 is installed at the end of the wrench 8, the guide rail adopts a groove structure, and the roller rolls in the guide rail. Changing the sliding friction into rolling friction can further reduce the difficulty of operation for workers and make it more labor-saving. The roller can directly adopt a bearing, or a common wheel body can be connected to the convex shaft through a bearing. If the guide rail adopts a rib structure, the roller can be arranged on the side of the guide rail facing away from the second pipe seat, and the elastic force of the elastic member is used to keep the roller in contact with the guide rail.

[0042] The present invention also provides a circular loom, including a door ring assembly and a shuttle. The shuttle makes a circular motion on the door ring assembly, and the shuttle is the shuttle in any of the above embodiments. Workers can quickly and labor-savingly disassemble, install and replace the weft yarn tube by operating the sliding sleeve 4, which greatly improves the efficiency of workers in replacing the weft yarn tube, shortens the downtime, is beneficial to increasing the daily output, and the income of workers can also be improved, achieving multiple benefits at one stroke. Moreover, dust is not easily accumulated inside the sliding sleeve 4 during long-term use, and the downtime caused by the need to disassemble and clean due to dust accumulation can be effectively reduced.

[0043] In addition to the above preferred embodiments, the present invention has other implementation manners. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection claimed by the present invention.

Claims

1. A shuttle, comprising a shuttle body, a first socket and a second socket. Shuttle wheels are respectively arranged on both sides of the shuttle body. The second socket is rotatably connected to the shuttle body, characterized in that, The shuttle body is fixedly connected with a guiding component, and a sliding sleeve is sleeved on the outer periphery of the guiding component. The sliding sleeve moves along the guiding component, and the two ends of the stroke are respectively a first position and a second position. The sliding sleeve is closer to the second socket at the first position than at the second position. A closed inner cavity for installing an elastic member is formed between the sliding sleeve and the guiding component. The elastic member acts on the sliding sleeve to keep it in a tendency to move towards the first position. One of the inner side wall of the sliding sleeve and the outer side wall of the guiding component is provided with a guide rail, and the other is provided with a sliding member. The sliding member slides along the guide rail to guide the relative movement of the sliding sleeve with respect to the guiding component. The first socket is rotatably connected with the sliding sleeve and axially positioned on the sliding sleeve; The guiding component includes a guiding seat and a core shaft. The core shaft is connected with the shuttle body and fixes the guiding seat on the shuttle body; The sliding sleeve includes a first sleeve body that cooperates with the guiding seat and a second sleeve body that cooperates with the core shaft. The guide rail and the sliding member are alternatively arranged on the first sleeve body. The first socket is rotatably connected and axially positioned on the outer periphery of the second sleeve body; and / or, the elastic member is sleeved on the outer periphery of the core shaft, one end of the elastic member abuts against the sliding sleeve, and the other end abuts against the guiding seat or the core shaft.

2. The shuttle according to claim 1, characterized in that, The guiding seat is provided with a through hole, the core shaft passes through the through hole and is connected with the shuttle body. The core shaft is provided with a positioning shoulder, and the positioning shoulder abuts against the guiding seat to fasten the guiding seat on the shuttle body; or, the guiding seat and the core shaft are of an integrally formed structure.

3. The shuttle according to claim 1, characterized in that, The guide rail spirally extends around the rotation axis of the first socket and the circumferential extension angle is A, A = 90° - 120°; or, the axial distance from the first position to the second position is 10 - 15 mm.

4. The shuttle according to claim 1, characterized in that, The sliding member includes a slider, and the slider slides along the guide rail; or, the sliding member includes a convex shaft and a roller installed on the convex shaft, and the roller rolls along the guide rail.

5. The shuttle according to claim 1, characterized in that, The guide rail is of a groove structure, and the sliding member extends into the guide rail for cooperation; or, the guide rail is of a rib structure, and the sliding member is provided with a chute for cooperating with the guide rail.

6. The shuttle according to claim 1, characterized in that, The outer periphery of the sliding sleeve is provided with a wrench or a concave-convex structure for facilitating the application of force to drive the sliding sleeve; or, the outer periphery of the sliding sleeve is provided with a wrench, and the end of the wrench passes through the sliding sleeve to form a sliding member.

7. The shuttle according to claim 1, characterized in that, The guide rail is provided with a locking position for cooperating with the sliding member to make the sliding sleeve stay at the second position; or, the shuttle body or the guiding component is provided with a magnet for adsorbing the sliding sleeve to make the sliding sleeve stay at the second position.

8. A circular loom, comprising a door ring assembly and a shuttle, the shuttle moving in a circular motion on the door ring assembly, characterized in that, The shuttle is the shuttle according to any one of claims 1 to 7.

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