CN218147267U - Rotating shuttle of sewing machine - Google Patents

Abstract

The utility model relates to the technical field of sewing machines, and discloses a sewing machine rotating shuttle, which comprises an outer shuttle frame, wherein a fixed column is fixedly connected in the bottom end of the outer shuttle frame, a first fixing screw is connected with the side thread of the fixed column, a second through groove is formed in the side surface of the fixed column, an inner wall of the fixed column is movably connected with an inner shuttle frame, an installation rod is fixedly connected with the inner wall of the bottom end of the inner shuttle frame, a thread coil is placed in the inner shuttle frame, a first through groove is formed in the side surface of the inner shuttle frame, and a shuttle point is fixedly connected at the position, corresponding to the second through groove, of the side surface of the outer shuttle frame through the second fixing screw; the utility model discloses a two second set screws fix the shuttle point in the side of outer shuttle frame, and the installation is dismantled to the shuttle point to the convenience, and the hardness and the wearability of the shuttle point of the while black carbon steel preparation strengthen the shuttle point greatly to the life of extension shuttle point is favorable to prolonging rotatory life, and the change is overhauld to the rotating shuttle to the convenience simultaneously.

Description

Rotating shuttle of sewing machine

Technical Field

The utility model relates to a sewing machine technical field, more specifically relate to a sewing machine accessory.

Background

The sewing machine is a machine which uses one or more sewing threads to form one or more stitches on a sewing material to enable one or more layers of sewing materials to be interwoven or sewn, the sewing machine can sew fabrics such as cotton, hemp, silk, wool, artificial fiber and the like, leather, plastics, paper and other products, the sewn stitches are neat, beautiful, flat and firm, the sewing speed is high, the use is simple and convenient, and artistic forms such as hand-push embroidery computer embroidery and the like are derived, a rotating shuttle is an important component of the sewing machine, the principle of forming the stitches by the rotating shuttle is basically the same as that of a swinging shuttle, the rotating shuttle performs equal angular speed rotating motion, in one-time reciprocating motion of a machine needle (a main shaft rotates for one circle), the rotating shuttle rotates for two circles at equal angular speed, the rotating shuttle is fixed by a rotating shuttle frame, the rotating shuttle is rotated, the rotating shuttle tip hooks the thread loop, the rotating shuttle frame divides the thread to enable the thread to bypass the bottom and the upper edge of the shuttle frame, and the thread is separated from the surface of the rotating plate head to form the thread loop.

The prior art has the following defects: current rotating shuttle is mostly the integral type structure, and in-process shuttle point continuous motion and wire loop friction using, continuous wearing and tearing cause the damage, can't catch on the wire loop, need change whole rotating shuttle for guaranteeing rotating shuttle sewing machine normal use, the cost is increased, and sewing machine rotating shuttle is inside preventing the line rotating shuttle at the in-process line book of using simultaneously, and relative high-speed removal between outer shuttle frame and the interior lock frame, frictional force between is great, easily causes wearing and tearing.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defects of the prior art, the utility model provides a sewing machine rotating shuttle to solve the problem that exists among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a rotating shuttle of a sewing machine comprises an outer shuttle frame, wherein a fixed column is fixedly connected in the bottom end of the outer shuttle frame, a first fixing screw is in threaded connection with the side surface of the fixed column, a second through groove is formed in the side surface of the outer shuttle frame, an inner shuttle frame is movably connected to the inner wall of the outer shuttle frame, an installation rod is fixedly connected to the inner wall of the bottom end of the inner shuttle frame, a thread coil is placed in the inner shuttle frame, a first through groove is formed in the side wall of the inner shuttle frame, and a shuttle point is fixedly connected to the position, corresponding to the second through groove, of the side surface of the outer shuttle frame through the second fixing screw.

Furthermore, the fixed column and the outer shuttle frame are both made of stainless steel, and the shuttle tip is made of black carbon steel.

Furthermore, six mounting grooves are formed in the side wall of the inner shuttle frame, a buffer spring is fixedly connected to the bottom end of each mounting groove, a mounting column is fixedly connected to the top end of each buffer spring, a ball is movably connected to the top end of each mounting column, a limiting groove is formed in the position, corresponding to the mounting grooves, of the inner side wall face of the outer shuttle frame, and the limiting grooves are movably connected with the side faces of the ball.

Furthermore, a clamping groove is formed in the position, close to the top end, of the inner side wall of the inner shuttle frame, a top cover is arranged at the top end of the inner shuttle frame, and a clamping strip is fixedly connected to the position, corresponding to the clamping groove, of the bottom end of the top cover.

Further, the inner wall of the outer shuttle frame and the outer wall of the inner shuttle frame are smooth in surface.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a two second set screws fix the shuttle point in the side of outer shuttle frame, and the installation is dismantled to the shuttle point to the convenience, and the hardness and the wearability of the shuttle point of the while black carbon steel preparation strengthen the shuttle point greatly to the life of extension shuttle point is favorable to prolonging rotatory life, and the change is overhauld to the rotating shuttle to the convenience simultaneously.

2. The utility model discloses a buffer spring promotes the erection column to the outside of mounting groove, makes the ball hug closely the spacing inslot of shuttle frame inner wall outside, makes outer shuttle frame when rotating, and the ball rolls at spacing inslot, when carrying on spacingly to inner shuttle frame, changes the sliding friction between outer shuttle frame and the interior shuttle frame into rolling friction, reduces the frictional force between outer shuttle frame and the interior shuttle frame, reduces wearing and tearing, is favorable to prolonging the life of rotating the shuttle.

Drawings

FIG. 1 is an exploded view of the overall structure of the present invention;

fig. 2 is an exploded view of the outer bobbin carriage structure of the present invention;

fig. 3 is a structural schematic diagram of the inner bobbin carriage of the present invention;

fig. 4 is a schematic sectional view of the structure of fig. 1 a.

The reference signs are: 1. fixing a column; 2. an outer shuttle frame; 3. a shuttle point; 4. an inner shuttle frame; 5. coiling the wire; 6. clamping the strip; 7. a top cover; 8. a first through groove; 9. a second through groove; 10. a first set screw; 11. a second set screw; 12. a limiting groove; 13. a card slot; 14. mounting a rod; 15. a ball bearing; 16. mounting a column; 17. mounting grooves; 18. a buffer spring.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the drawings of the present invention, and the forms of the structures described in the following embodiments are merely examples, and the present invention is not limited to the structures described in the following embodiments, and all other embodiments obtained by a person skilled in the art without creative efforts belong to the scope of the present invention.

Referring to fig. 1 to 4, the utility model provides a sewing machine rotating shuttle, including outer shuttle frame 2, the fixed column 1 of fixedly connected with semicylindrical form in the bottom of outer shuttle frame 2, the side threaded connection of fixed column 1 has first set screw 10, second trough 9 has been seted up to the side of outer shuttle frame 2, the inner wall swing joint of outer shuttle frame 2 has inner shuttle frame 4, the bottom inner wall fixedly connected with installation pole 14 of inner shuttle frame 4, the inside of inner shuttle frame 4 has placed the coil of thread 5, first through groove 8 has been seted up to the lateral wall of inner shuttle frame 4, the position that the side of outer shuttle frame 2 corresponds second trough 9 passes through second set screw 11 fixedly connected with shuttle point 3, use puts coil of thread 5 into the inner wall of inner shuttle frame 4, fix fixed column 1 on the sewing machine through first set screw 10, sewing machine operation process, fixed column 1 drives outer shuttle frame 2 and rotates, make shuttle point 3 catch on, when shuttle point 3 causes the damage, unscrew the fixed second fixed shuttle point 3 that second changes, and wear and tear, and fix the fixed thread loop 3 side of outer shuttle point 2 with the second set screw 11 tightly.

Wherein, the fixed column 1 and the outer shuttle frame 2 are both made of stainless steel, the shuttle tip 3 is made of black carbon steel, and the black carbon steel has good wear resistance and hardness, so that the service life of the shuttle tip 3 is prolonged.

Wherein, six mounting grooves 17 have been seted up to the lateral wall of interior shuttle frame 4, the bottom fixedly connected with buffer spring 18 of mounting groove 17, buffer spring 18's top fixedly connected with erection column 16, the top swing joint of erection column 16 has ball 15, spacing groove 12 has been seted up to the position that the inside wall face of outer shuttle frame 2 corresponds mounting groove 17, spacing groove 12 and ball 15's side swing joint, buffer spring 18 promotes the outside of erection column 16 to mounting groove 17, make ball 15 hug closely in the spacing groove 12 of outer shuttle frame 2 inner wall, make outer shuttle frame 2 when rotating, ball 15 rolls in spacing groove 12, when spacing is carried out to interior shuttle frame 4, change the sliding friction between outer shuttle frame 2 and the interior shuttle frame 4 into rolling friction, reduce the frictional force between outer shuttle frame 2 and the interior shuttle frame 4.

Wherein, draw-in groove 13 has been seted up near the top position to the inside wall of interior shuttle frame 4, and the top of interior shuttle frame 4 is equipped with top cap 7, and the bottom of top cap 7 corresponds the fixed position of draw-in groove 13 and is connected with card strip 6, and when covering the top of interior shuttle frame 4 with top cap 7, card strip 6 card is gone into in draw-in groove 13, fixes top cap 7 on the top of interior shuttle frame 4, prevents that the yardage roll 5 from dropping.

Wherein, the surface of the contact surface of the inner shuttle frame 4 and the outer shuttle frame 2 is smooth.

The utility model discloses a theory of operation: the prepared thread coil 5 is inserted into the mounting rod 14, the top cover 7 covers the top end of the inner shuttle frame 4, the clamping strip 6 is clamped into the clamping groove 13, the top cover 7 is fixed at the top end of the inner shuttle frame 4, the fixing column 1 is mounted on the sewing machine through the first fixing screw 10, when the sewing machine runs, the fixing column 1 drives the outer shuttle frame 2 to rotate, the shuttle point 3 hooks the thread loop, the buffer spring 18 pushes the mounting column 16 to the outer side of the mounting groove 17, the ball 15 is tightly attached to the limiting groove 12 on the inner wall of the outer shuttle frame 2, the ball 15 rolls in the limiting groove 12 when the outer shuttle frame 2 rotates, the sliding friction between the outer shuttle frame 2 and the inner shuttle frame 4 is converted into rolling friction when the inner shuttle frame 4 is limited, the friction force between the outer shuttle frame 2 and the inner shuttle frame 4 is reduced, when the shuttle point 3 is worn and damaged, the second fixing screw 11 is unscrewed to replace the new shuttle point 3, and the second fixing screw 11 is screwed to fix the shuttle point 3 on the side face of the outer shuttle frame 2.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," "connecting," and "connecting" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be directly connected, and "upper," "lower," "left," and "right" are only used to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The rotating shuttle of the sewing machine comprises an outer shuttle frame (2) and is characterized in that a fixing column (1) is fixedly connected into the bottom end of the outer shuttle frame (2), a first fixing screw (10) is connected to the side face of the fixing column (1) in a threaded manner, a second through groove (9) is formed in the side face of the outer shuttle frame (2), an inner shuttle frame (4) is movably connected to the inner wall of the outer shuttle frame (2), a mounting rod (14) is fixedly connected to the inner wall of the bottom end of the inner shuttle frame (4), a thread coil (5) is placed inside the inner shuttle frame (4), a first through groove (8) is formed in the side wall of the inner shuttle frame (4), and a shuttle tip (3) is fixedly connected to the position, corresponding to the second through groove (9), of the side face of the outer shuttle frame (2) through a second fixing screw (11).

2. The sewing machine rotary shuttle of claim 1, wherein: the fixed column (1) and the outer shuttle frame (2) are both made of stainless steel, and the shuttle point (3) is made of black carbon steel.

3. The sewing machine rotary shuttle of claim 1, wherein: six mounting grooves (17) have been seted up to the lateral wall of interior shuttle frame (4), the bottom fixedly connected with buffer spring (18) of mounting groove (17), the top fixedly connected with erection column (16) of buffer spring (18), the top swing joint of erection column (16) has ball (15), spacing groove (12) have been seted up to the inside wall face of outer shuttle frame (2) corresponding the position of mounting groove (17), the side swing joint of spacing groove (12) and ball (15).

4. The sewing machine rotary shuttle of claim 1, wherein: the inner side wall of the inner shuttle frame (4) is provided with a clamping groove (13) close to the top end, the top end of the inner shuttle frame (4) is provided with a top cover (7), and the bottom end of the top cover (7) corresponds to the clamping strip (6) fixedly connected with the position of the clamping groove (13).

5. The sewing machine rotary shuttle of claim 1, wherein: the inner wall of the outer shuttle frame (2) and the outer wall of the inner shuttle frame (4) are smooth in surface.

Images