CN218596675U - Thread outlet frame for sewing machine - Google Patents

Abstract

The application relates to the field of sewing machines, in particular to a thread outlet frame for a sewing machine, which comprises a base, wherein a thread inserting rod and a thread leading hook are arranged on the base, fixed rods are symmetrically arranged on the thread inserting rod, the fixed rods are rotationally arranged on the thread inserting rod, the rotating axis of each fixed rod is perpendicular to the length direction of the thread inserting rod, and the thread outlet frame for the sewing machine further comprises a first elastic piece for keeping the fixed rods static; when the coil is inserted into the wire plugging rod, the coil pushes the fixing rod to rotate, the fixing rod is abutted against the inner wall of the coil, and the fixing rod supports the coil by the reaction force of the elastic piece on the fixing rod, so that the coil is fixed; when the size of coil changes, the coil orders about the dead lever and rotates different angles, and the dead lever makes the coil remain stable with coil inner wall butt all the time to make the inserted wire pole be applicable to the multiple coil of certain diameter within range.

Description

Thread outlet frame for sewing machine

Technical Field

The application relates to the field of sewing machines, in particular to a thread outlet frame for a sewing machine.

Background

The sewing machine is a machine which uses one or more sewing threads to form one or more stitches on a sewing material so as to interweave or sew one or more layers of the sewing material; the sewing machine can sew fabrics such as cotton, hemp, silk, wool, artificial fiber and the like and products such as leather, plastic, paper and the like, and the sewed stitches are neat, beautiful, flat and firm, the sewing speed is high, and the use is simple and convenient.

At present, in order to facilitate coil outgoing, a machine table of a sewing machine is provided with a thread outgoing frame, the thread outgoing frame comprises a thread inserting rod and a thread guiding hook, a coil frame is arranged on the thread inserting rod, and a thread rope is connected to the sewing machine through the thread guiding hook.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: because the coil has different specifications, after the size of the coil changes, the size of the coil cannot be matched with that of the wire plugging rod, and when the wire rope is pulled to be led out, the coil easily shakes on the wire plugging rod, so that the stability of the line outgoing is influenced.

SUMMERY OF THE UTILITY MODEL

In order to enable the wire inserting rod to be suitable for coils with various specifications, the application provides a wire outlet frame for a sewing machine.

The application provides a thread outlet frame for sewing machine adopts following technical scheme:

the utility model provides a wire outlet frame for sewing machine, includes the base, be provided with inserted line pole and lead wire hook on the base, the symmetry is provided with the dead lever on the inserted line pole, the dead lever rotates and sets up on the inserted line pole, the axis of rotation of dead lever perpendicular to the length direction of inserted line pole, when the coil embolias on the inserted line pole, the coil inner wall with the dead lever butt orders about the dead lever rotates, the wire outlet frame for sewing machine still is including being used for making the dead lever keeps static first elastic component.

By adopting the technical scheme, when the coil is inserted into the wire plugging rod, the coil pushes the fixing rod to rotate, the fixing rod is abutted against the inner wall of the coil, and the fixing rod supports the coil by the reaction force of the elastic piece on the fixing rod, so that the coil is fixed, and the possibility of shaking of the coil in the wire outlet process is reduced; when the size of coil changes, the coil orders about the dead lever and rotates different angles, and the dead lever makes the coil remain stable with the inner wall butt of coil all the time to make the inserted wire pole be applicable to the multiple coil in the certain diameter range.

Preferably, the first elastic member includes a torsion spring, one end of the torsion spring is disposed on the wire insertion rod, and the other end of the torsion spring is disposed on the fixing rod.

Through adopting above-mentioned technical scheme, torsion spring's simple structure, it is small, be convenient for installation and change.

Preferably, one end of the fixing rod, which is far away from the wire plugging rod, is rotatably provided with a ball, and the rotation axis of the ball is parallel to the rotation axis of the fixing rod.

By adopting the technical scheme, in the process of sleeving the wire inserting rod by the wire sleeve, the fixed rod and the inner wall of the coil slide relatively, and at the moment, the ball rolls, so that the friction between the coil and the fixed rod is reduced, and the coil can be conveniently inserted into and taken out of the wire inserting rod.

Preferably, the dead lever is in including rotating loop bar and the slip setting that sets up on the inserted wire pole interior pole on the loop bar, interior pole deviates from the inserted wire pole slides, and the play line frame for the sewing machine still includes and is used for fixing the mounting of interior pole.

Through adopting above-mentioned technical scheme, the pole is fixed through the mounting in the slip, makes the whole length extension of dead lever to make dead lever and bigger coil butt, thereby increased the application scope of wire pole.

Preferably, the inner rod is provided with a rack, the loop bar is provided with a notch for allowing the inner rod to slide, a clamping block is arranged on the side wall of the notch in a sliding mode, the sliding direction of the clamping block is perpendicular to the sliding direction of the inner rod, the clamping block is abutted to the rack, and the thread outlet frame for the sewing machine further comprises a second elastic piece for driving the clamping block to face the rack to slide.

By adopting the technical scheme, the fixture block is separated from the rack by sliding the fixture block, so that the inner rod can slide conveniently; after the inner rod slides to a proper position, the fixture block slides towards the rack under the action of the second elastic piece, and the fixture block is abutted against the rack again, so that the inner rod is fixed, and the operation is simple and convenient.

Preferably, the second elastic element comprises a straight spring, the straight spring is sleeved on the fixture block and abuts against the side wall of the notch, and the straight spring is in a compressed state.

Through adopting above-mentioned technical scheme, the simple structure and the small of straight spring are convenient for install and change.

Preferably, the plug wire pole is formed by a plurality of plug wire blocks through splicing, the fixing rods are symmetrically arranged on the plug wire blocks, plug blocks are arranged at one ends of the plug wire blocks, and jacks for the plug blocks to be plugged are formed in the other ends of the plug wire blocks.

By adopting the technical scheme, the insertion blocks of the insertion blocks are inserted into the insertion holes of the adjacent insertion blocks, so that the adjacent insertion blocks form a whole, and the operation is simple and convenient; through increasing or reducing the quantity of grafting piece, make the length of plug wire pole increase or subtract the weak point to make the length of plug wire pole and the high adaptation of coil, thereby improve the suitability of line frame to multiple coil.

Preferably, a rubber pad is paved on the inner wall of the jack.

Through adopting above-mentioned technical scheme, because the rubber pad has certain elasticity, filled the clearance between inserted block and the jack, improved the stability that jack and inserted block are connected, and then improved the stability of plug wire pole.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when inserting the coil of different specifications into the inserted line pole, the coil homoenergetic promotes the dead lever and rotates, rotates different angles through the dead lever and makes the dead lever all the time with coil inner wall butt, and the dead lever plays the supporting role to the coil, and then makes the coil remain stable, has reduced the coil and has been qualified for the next round of competitions the possibility that the in-process rocked, has improved the suitability of inserted line pole to different specifications coil.

Drawings

FIG. 1 is a schematic view of the overall structure of a thread take-out stand for a sewing machine.

FIG. 2 is a partial view of a thread take-off stand for a sewing machine.

FIG. 3 is a partial sectional view of a bobbin for a sewing machine.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Description of reference numerals: 1. a base; 2. a wire plugging rod; 21. a wire plugging block; 3. an L-shaped rod; 4. a lead hook; 5. a fixing rod; 51. a loop bar; 52. an inner rod; 6. a torsion spring; 7. a ball bearing; 8. a connecting rod; 9. a rack; 10. a clamping block; 11. a straight spring; 12. a notch; 13. inserting a block; 14. a jack; 15. a rubber pad; 16. and (6) a groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a thread outlet frame for a sewing machine. Referring to fig. 1, the thread outlet frame for the sewing machine comprises a base 1 fixedly arranged on an operating table, a thread inserting rod 2 and an L-shaped rod 3 are fixedly arranged on the base 1, the long edges of the thread inserting rod 2 and the L-shaped rod 3 are perpendicular to the base 1, a lead hook 4 is fixedly arranged on the short edge of the L-shaped rod 3, and the lead hook 4 is positioned above the thread inserting rod 2; when the sewing machine is used, a coil is sleeved on the thread inserting rod 2, the thread rope is pulled to enable the thread rope to penetrate through the thread leading hook 4 to be connected to the sewing machine, the thread inserting rod 2 enables the position of the coil to be kept stable, and the thread leading hook 4 guides the thread rope, so that the thread outlet of the coil is facilitated, and the stability in the sewing process is improved.

Referring to fig. 2 and 3, the fixing rods 5 are symmetrically arranged on the thread inserting rod 2, further, the fixing rods 5 are perpendicular to the thread inserting rod 2, the fixing rods 5 are rotatably arranged on the thread inserting rod 2, grooves 16 are formed in the thread inserting rod 2 so that the fixing rods 5 can rotate, the rotating axis of the fixing rods 5 is perpendicular to the length direction of the thread inserting rod 2, the thread outlet frame for the sewing machine further comprises a first elastic piece for enabling the fixing rods 5 to keep static, the first elastic piece comprises a torsion spring 6, one end of the torsion spring 6 is fixedly arranged on the thread inserting rod 2, the other end of the torsion spring 6 is fixedly arranged on the fixing rods 5, and when the fixing rods 5 rotate towards the base 1, the torsion spring 6 is compressed.

In the process of sleeving the coil into the wire inserting rod 2, the coil is abutted against the fixed rod 5, so that the fixed rod 5 is pushed to rotate downwards, and the torsion spring 6 is compressed; after the coil is completely sleeved into the wire inserting rod 2, the fixing rod 5 is located in the coil and is abutted to the inner wall of the coil, the torsion spring 6 is in a compressed state, and the reaction force of the torsion spring 6 on the fixing rod 5 enables the fixing rod 5 to support the coil, so that the coil is fixed, and the possibility of the coil shaking in the wire outlet process is reduced; when the radius of the coil is in the range which is larger than the radius of the wire inserting rod 2 and smaller than the length of the fixing rod 5, the fixing rod 5 can be abutted against the side wall of the coil, and then the coil is supported and fixed, so that the wire inserting rod 2 is suitable for coils of various specifications.

Referring to fig. 2 and 3, in order to facilitate the coil to slide relative to the fixing rod 5, one end of the fixing plate, which is far away from the wire inserting rod 2, is rotatably provided with a ball 7, the rotating axis of the ball 7 is parallel to the rotating axis of the fixing rod 5, and the diameter of the ball 7 is larger than the width of the fixing rod 5; because the diameter of the ball 7 is larger than the width of the fixed rod 5, the inner wall of the coil is always abutted against the ball 7 in the process of sliding relative to the fixed rod 5, and the contact area of the coil and the fixed rod 5 is reduced; when the coil slides relative to the fixed rod 5, the ball 7 rolls, so that the friction force between the coil and the fixed rod 5 is reduced, and the coil can conveniently slide relative to the fixed rod 5.

Referring to fig. 3 and 4, in order to further increase the application range of the thread take-out stand, the fixing rod 5 comprises a loop bar 51 rotatably arranged on the thread take-out stand 2 and an inner bar 52 slidably arranged on the loop bar 51, the loop bar 51 is rotatably connected with the thread take-out stand 2 through a torsion spring 6, a ball 7 is rotatably arranged at the end of the inner bar 52 far away from the thread take-out stand 2, the inner bar 52 slides away from the thread take-out stand 2, and the thread take-out stand for the sewing machine further comprises a fixing piece for fixing the inner bar 52.

The interior pole 52 of sliding towards the direction that deviates from the pole 2 of inserting a wire, make interior pole 52 fix the position after sliding under the effect of mounting, interior pole 52 slides and makes the holistic length increase of dead lever 5 to make dead lever 5 can with the coil butt of bigger size, make the pole 2 of inserting a wire be applicable to the coil of more specifications.

Referring to fig. 3 and 4, a connecting rod 8 is fixedly arranged at one end of the inner rod 52 close to the loop bar 51, the connecting rod 8 is a square rod, a rack 9 is fixedly arranged on the connecting rod 8, a notch 12 for the connecting rod 8 to slide is formed in the loop bar 51, a clamping block 10 is arranged on the side wall of the notch 12 in a sliding manner, and the sliding direction of the clamping block 10 is perpendicular to the sliding direction of the inner rod 52; the fixture block 10 is located on one side of the loop bar 51 far away from the inserting bar 2, the fixture block 10 penetrates through a side wall of the notch 12 and extends out of the loop bar 51 so as to be pulled by an operator, the surface of the fixture block 10 facing the rack 9 is in a sawtooth shape, the fixture block 10 is meshed with the rack 9, the thread outlet frame for the sewing machine further comprises a second elastic piece for driving the fixture block 10 to slide towards the rack 9, the second elastic piece comprises a straight spring 11, the straight spring 11 is sleeved on the fixture block 10, and the straight spring 11 is located in the loop bar 51.

Pulling the fixture block 10 to separate the fixture block 10 from the rack 9, so as to facilitate the sliding of the inner rod 52; after the inner rod 52 slides to a required position, the fixture block 10 is loosened, the fixture block 10 slides towards the rack 9 under the action of the straight spring 11, the fixture block 10 abuts against the rack 9, and then the inner rod 52 is fixed, so that the operation is simple and convenient; meanwhile, the connecting rod 8 is a square rod, so that the rotation of the connecting rod 8 in the sliding process is limited, the rotation of the inner rod 52 is limited, and the possibility that the rotation of the inner rod 52 influences the abutting of the ball 7 and the coil is reduced.

Referring to fig. 2 and 3, for further increase the application scope of the power strip pole 2, the power strip pole 2 is formed by splicing a plurality of power strip blocks 21, the dead lever 5 is symmetrically arranged on the power strip block 21, in this embodiment, the power strip pole 2 is formed by splicing two power strip blocks 21, two dead levers 5 are symmetrically arranged on each power strip block 21, the power strip block 21 is fixedly provided with the power strip block 13 at one end, the jack 14 is a cuboid, the other end is provided with the jack 14 for the power strip block 13 to be spliced, the power strip block 21 close to the base 1 is fixedly arranged on the base 1, the other power strip block 21 is spliced on the power strip block 13 through the jack 14, and the rubber pad 15 is laid on the side wall of the jack 14.

When in use, the plug block 13 is inserted into the jack 14 of the adjacent plug wire block 21, so that the adjacent plug wire block 21 forms a whole, and the operation is simple and convenient; the number of the wire inserting blocks 21 is increased or reduced, so that the wire inserting rod 2 is extended or shortened, the length of the wire inserting rod 2 is matched with the height of the coil, and the fixing effect of the wire inserting rod 2 on the coil is improved; meanwhile, the rubber pad 15 has micro elasticity, so that a gap between the insertion block 13 and the insertion hole 14 is filled, and the connection effect of the insertion block 13 and the insertion hole 14 is improved; the inserted block 13 has restricted the rotation of inserted line piece 21 for the cuboid, is favorable to making the dead lever 5 of adjacent inserted line piece 21 be located different position, improves the fixed effect of inserted line pole 2, and in this application embodiment, the dead lever 5 on the adjacent inserted line piece 21 is mutually perpendicular.

The application embodiment of the application provides a thread outlet frame for a sewing machine, which has the following implementation principle: in the process of inserting the coil into the wire inserting rod 2, the coil is abutted against the fixed rod 5, so that the fixed rod 5 is pushed to rotate, and the fixed rod 5 rotates to enable the torsion spring 6 to be compressed; when the coil is completely sleeved into the wire inserting rod 2, the fixing rod 5 is positioned in the coil and is abutted against the inner wall of the coil, and the reaction force of the torsion spring 6 to the fixing rod 5 enables the fixing rod 5 to support the coil, so that the coil is fixed, and the possibility of shaking of the coil in the process is reduced; when the specification of the coil is changed, the whole length of the wire inserting rod 2 is adapted to the height of the coil by reducing the number of the wire inserting blocks 21 after increasing; and pulling the fixture block 10 to separate the fixture block 10 from the rack 9, sliding the inner rod 52 to enable the length of the fixed rod 5 to be matched with the radius of the coil, then loosening the fixture block 10, enabling the fixture block 10 to be abutted against the rack 9 under the action of the straight spring 11, further enabling the inner rod 52 to be fixed, and enabling the thread outlet frame for the sewing machine to be suitable for coils with more specifications.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a wire outlet frame for sewing machine, includes base (1), be provided with on base (1) peg (2) and lead wire hook (4), its characterized in that: the thread outlet frame for the sewing machine is characterized in that fixing rods (5) are symmetrically arranged on the thread outlet rod (2), the fixing rods (5) are rotatably arranged on the thread outlet rod (2), the rotating axis of each fixing rod (5) is perpendicular to the length direction of the thread outlet rod (2), when a coil is sleeved on the thread outlet rod (2), the inner wall of the coil is abutted to the fixing rods (5) and drives the fixing rods (5) to rotate, and the thread outlet frame for the sewing machine further comprises a first elastic piece used for keeping the fixing rods (5) static.

2. The thread take-off stand for a sewing machine according to claim 1, wherein: the first elastic piece comprises a torsion spring (6), one end of the torsion spring (6) is arranged on the wire inserting rod (2), and the other end of the torsion spring (6) is arranged on the fixing rod (5).

3. The thread take-off stand for a sewing machine according to claim 1, wherein: one end, far away from the wire plugging rod (2), of the fixing rod (5) is rotatably provided with a ball (7), and the rotating axis of the ball (7) is parallel to the rotating axis of the fixing rod (5).

4. The thread take-off stand for a sewing machine according to claim 1, wherein: dead lever (5) are in including rotating loop bar (51) that sets up on plug wire pole (2) and the setting of sliding interior pole (52) on loop bar (51), interior pole (52) deviate from plug wire pole (2) slide, and the play line frame for the sewing machine is still including being used for fixing the mounting of interior pole (52).

5. The thread take-off stand for a sewing machine according to claim 4, wherein: be provided with rack (9) on interior pole (52), seted up the confession on loop bar (51) interior pole (52) gliding breach (12), it is provided with fixture block (10) to slide on the lateral wall of breach (12), the slip direction perpendicular to of fixture block (10) the slip direction of interior pole (52), fixture block (10) with rack (9) butt, the play line frame for the sewing machine is still including being used for ordering about fixture block (10) orientation rack (9) gliding second elastic component.

6. The thread take-off stand for a sewing machine according to claim 5, wherein: the second elastic piece comprises a straight spring (11), the straight spring (11) is sleeved on the clamping block (10), the straight spring (11) abuts against the side wall of the notch (12), and the straight spring (11) is in a compression state.

7. The feed rack according to claim 1, wherein: the utility model discloses a power distribution cable, including wiring pole (2), dead lever (5), inserted bar (13), jack (14) that the confession was pegged graft in inserted bar (13) are seted up to the one end of inserted bar (21), dead lever (5) symmetry setting on inserted bar (21), the one end of inserted bar (21) is provided with inserted block (13), the other end.

8. The feed rack according to claim 7, wherein: and a rubber pad (15) is paved on the inner wall of the jack (14).

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