CN219218355U

CN219218355U - Needle plate and needle head assembly of sewing machine

Info

Publication number: CN219218355U
Application number: CN202223119098.1U
Authority: CN
Inventors: 杨恋
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-06-20
Anticipated expiration: 2032-11-23

Abstract

The utility model provides a needle plate and needle head subassembly of sewing machine, includes faller, syringe needle, installs the rotating shuttle in the faller below, be equipped with feed chute and pinhole on the faller, correspond on the syringe needle the pinhole is installed the sewing needle, the pinhole is the combination pinhole that can hold two sewing needles, be equipped with tongue baffle on the faller, make the combination pinhole divide into first pinhole and second pinhole, the tongue tip of tongue baffle is towards the inner wall of combination pinhole and cooperates with it to form the slit, set up through the slit intercommunication between first pinhole and the second pinhole, the sewing needle is including the first sewing needle that corresponds first pinhole, the second sewing needle that corresponds the second pinhole, and two sewing needles pass the same rotating shuttle of the cooperation of corresponding pinhole and sew up two stitches. The utility model provides a needle plate and needle head assembly of a sewing machine, which is characterized in that two needle holes are communicated with each other on the needle plate, so that two stitches are sewn on a fabric through one rotating shuttle at the same time, the processing procedures are reduced, and the production efficiency is improved.

Description

Needle plate and needle head assembly of sewing machine

Technical Field

The utility model relates to the technical field of sewing machines, in particular to a needle plate and needle head assembly of a sewing machine.

Background

The sewing machine generally consists of a machine head, a machine seat, a transmission part and an accessory part, wherein a needle plate belongs to auxiliary parts in the sewing machine. In general, a sewing machine is mounted on a horizontal platen, a vertical needle bar is mounted on a machine head of the sewing machine, a needle close to the working platen is linked below the needle bar, components such as a rotating shuttle for controlling a bottom thread are right opposite to the lower part of the needle bar, the needle plate is arranged below the platen, a circular needle hole and a square feed tooth groove are formed on the platen between the needle and the rotating shuttle, the moving needle is matched with the rotating shuttle below the platen for sewing through the needle hole, and feed teeth below the platen pass through the empty groove to expose the plane of the needle plate, so that the function of conveying sewing materials on the needle plate is realized.

In the prior art, the patent with the publication number of CN103320991A discloses a needle plate of a sewing machine, which comprises a needle plate body, wherein the needle plate body is provided with a mounting hole and a cloth feeding groove, the needle plate body is also provided with a concave table, and the concave table is provided with a circular sewing needle hole; a baffle is connected to one side of the needle plate body; the baffle is positioned beside the sewing needle hole; the baffle plate is arc-shaped; the baffle plate is in threaded connection with the needle plate body through a screw; the screw is an inner hexagon screw.

In this patent, the ring-shaped stitch can be formed by a single thread, but in order to improve the tightness of the stitch, the stitch is prevented from falling off, and a secondary stitch is generally required, so that the processing steps are increased, and the production efficiency is low.

Disclosure of Invention

The purpose of the utility model is that: in order to overcome the defects of the prior art, the utility model provides a needle plate and needle head assembly of a sewing machine, two needle holes are communicated with each other on the needle plate, two stitches are sewn on a fabric through one rotating shuttle at the same time, processing procedures are reduced, and production efficiency is improved.

The technical scheme of the utility model is as follows: the utility model provides a needle plate and needle head subassembly of sewing machine, includes faller, syringe needle, installs the rotating shuttle in the faller below, be equipped with feed chute and pinhole on the faller, correspond on the syringe needle the pinhole is installed the sewing needle, the pinhole is the combination pinhole that can hold two sewing needles, be equipped with tongue baffle on the faller, make the combination pinhole divide into first pinhole and second pinhole, the tongue tip of tongue baffle is towards the inner wall of combination pinhole and cooperates with it to form the slit, set up through the slit intercommunication between first pinhole and the second pinhole, the sewing needle is including the first sewing needle that corresponds first pinhole, the second sewing needle that corresponds the second pinhole, and two sewing needles pass the same rotating shuttle of the cooperation of corresponding pinhole and sew up two stitches.

By adopting the arrangement, when the sewing machine works, the first sewing needle drives the sewing thread to pass through the first needle hole, the sewing thread is brought to the lower part of the needle plate, the second sewing needle is operated in the same way, the two sewing threads are sewn with the shuttle core thread on the same rotating shuttle, the rotating shuttle rotates to form the lock catch with the two sewing threads and the shuttle core thread, the sewn wire harness is separated along with the sewing needle upwards through the tongue-shaped partition plate and comes out of the slit, two stitches are formed on the fabric, the tongue tip of the tongue-shaped partition plate faces to the inner side, the stitch of the first sewing needle and the stitch of the second sewing needle are prevented from being stirred together in the sewing process, the stitch on the fabric is influenced, the time cost caused by reworking is saved, the combined needle hole can be used independently or matched with the two groups, a plurality of stitches are sewn at one time, the processing procedure is reduced, and the production efficiency is improved.

Still further, the present utility model provides: the tongue-shaped baffle length is greater than the radius of the first pinhole or the second pinhole.

By adopting the further arrangement, when a thicker fabric is sewn, the sewing needles can deviate, the condition that two sewing needles are simultaneously arranged in one needle hole occurs, the length of the tongue-shaped partition plate is increased, the slit between the first needle hole and the second needle hole is narrower, the sewing needles are ensured to move up and down in the corresponding needle holes all the time, mutual influence is avoided, damage caused by mutual interference of the two sewing needles is avoided, and cost caused by damage is reduced.

Still further, the present utility model provides: the tongue-shaped partition plate extends downwards along the combined pinhole, and the bottom is provided with a guide surface for sliding the wire harness into the slit.

Adopt above-mentioned still further setting, tongue type baffle is the metal material, and the guide face can be slant ramp up or cambered surface, avoids the pencil to be broken by sharp metal along with sewing needle upward movement's in-process, influences sewing machine work, simultaneously, can make the pencil that sews up slide into U-shaped slit fast, when sewing machine sews up the operation fast, avoids the pencil to block or break off, improves production efficiency.

Still further, the present utility model provides: the needle plate is provided with a single needle hole, the needle head is provided with a mounting hole matched with the single needle hole, and another rotating shuttle is mounted below the needle plate corresponding to Shan Zhenkong.

By adopting the further arrangement, the punching positions of the single needle hole and the combined needle hole can be that the single needle hole is positioned on the left side or the combined needle hole is positioned on the left side, the single needle hole is matched with the combined needle hole according to the actual requirement of a user, three needle tracks at one-time sewing can be realized, and a first rotating shuttle matched with the combined needle hole and a second rotating shuttle matched with the single needle hole are arranged below the needle plate.

Still further, the present utility model provides: the needle plate is provided with two combined needle holes, the needle head is also adapted to the needle holes on the needle plate, and two rotating shuttles which are in one-to-one correspondence with the two combined needle holes are arranged below the needle plate.

By adopting the further arrangement, the two combined pinholes are arranged on the needle plate left and right, the left rotating shuttle corresponding to the left combined pinhole and the right rotating shuttle corresponding to the right combined pinhole are arranged below the needle plate, the two sewing needles in the left combined pinhole are matched with the left rotating shuttle, the two sewing needles in the right combined pinhole are matched with the right rotating, and four stitches can be sewn at one time, so that the processing speed is accelerated, the production efficiency is improved, and the requirements of various textile patterns can be met.

Still further, the present utility model provides: the tongue tip of the tongue-shaped partition plate faces to the opposite direction of the corresponding rotating shuttle.

By adopting the arrangement, the sewing needle can sew a plurality of stitches.

Drawings

Fig. 1 is a first construction view of a needle plate of the present utility model;

FIG. 2 is a view showing the structure of the needle head and the sewing needle of the present utility model;

FIG. 3 is a cross-sectional view of a tongue separator of the present utility model;

fig. 4 is a second construction view of the needle board of the present utility model.

In the figure: 1. a needle plate; 11. a cloth feeding groove; 12. a combined pinhole; 121. a first pinhole; 122. a second pinhole; 13. a single pinhole; 2. a needle; 21. a mounting hole; 3. tongue-shaped partition plates; 31. a guide surface; 4. a sewing needle; 5. and (5) rotating the shuttle.

Detailed Description

The technical solutions of the present embodiment will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-4, a needle plate and needle head assembly of a sewing machine comprises a needle plate 1, a needle head 2, a rotating shuttle 5 arranged below the needle plate 1, a cloth feeding groove 11 and needle holes are arranged on the needle plate 1, a sewing needle 4 is arranged on the needle head 2 corresponding to the needle holes, the needle holes are combined needle holes 12 capable of accommodating two sewing needles, a tongue-shaped baffle 3 is arranged on the needle plate 1, the combined needle holes 12 are divided into a first needle hole 121 and a second needle hole 122, the tongue tips of the tongue-shaped baffle 3 face the inner wall of the combined needle holes 12 and are matched with the inner wall of the combined needle holes to form slits, the first needle holes 121 and the second needle holes 122 are communicated through the slits, the sewing needle 4 comprises a first sewing needle corresponding to the first needle holes 121 and a second sewing needle corresponding to the second needle holes 122, when the sewing machine works, the first sewing needle drives a sewing thread to pass through the first needle holes 121, the sewing threads are brought to the lower part of the needle plate 1, the second sewing needle is operated in the same way, two sewing threads are sewn with the shuttle core thread on the same rotating shuttle 5, the rotating shuttle 5 rotates to form a lock catch with the two sewing threads and the shuttle core thread, the sewn wire bundles are separated upwards along with the sewing threads 4 through the tongue-shaped partition plate 3 and come out from the slit to form two stitches on the fabric, the tongue tip of the tongue-shaped partition plate 3 faces inwards, the stitching threads of the first sewing needle and the stitching threads of the second sewing needle are prevented from being stirred together in the stitching process, the stitching threads on the fabric are influenced, the time cost caused by reworking is saved, the combined needle holes 12 can be independently used or matched with two groups, a plurality of stitching threads are sewn at one time, the processing procedure is reduced, and the production efficiency is improved.

As shown in fig. 1 and 2, the length of the tongue-shaped partition plate 3 is larger than the radius of the first pinhole 121 or the second pinhole 122, when a thicker fabric is sewn, the sewing needles 4 can deviate, two sewing needles 4 are simultaneously arranged in one pinhole, the length of the tongue-shaped partition plate 3 is increased, the U-shaped slit between the first pinhole 121 and the second pinhole 122 is narrower, the sewing needles 4 are ensured to always move up and down in the corresponding pinholes without mutual influence, damage caused by mutual interference of the two sewing needles 4 is avoided, and cost caused by damage is reduced.

As shown in fig. 3, the tongue-shaped partition plate 3 extends downwards along the combined pinhole 12, a guiding surface 31 for sliding the wire harness into the slit is arranged at the bottom, the tongue-shaped partition plate 3 is made of metal, the guiding surface 31 can be an inclined upper cambered surface, the wire harness is prevented from being scratched by sharp metal in the process of moving upwards along with the sewing needle 4, the work of the sewing machine is affected, meanwhile, the stitched wire harness can be enabled to slide into the slit accurately and rapidly, the wire harness is prevented from being blocked or broken, and the production efficiency is improved.

As shown in fig. 1, a needle plate 1 is provided with a single needle hole 13, a needle head 2 is provided with a mounting hole matched with the single needle hole 13, the punching position of the single needle hole 13 and the combined needle hole 12 can be that the single needle hole 13 is positioned at the left side or the combined needle hole 12 is positioned at the left side, the single needle hole 13 is matched with the combined needle hole 12 according to the actual requirement of a user, three needle tracks at one-time sewing can be realized, and a first rotating shuttle matched with the combined needle hole 12 and a second rotating shuttle matched with the single needle hole 13 are arranged below the needle plate 1.

As shown in fig. 4, two combined pinholes 12 are arranged on the needle plate 1, the two combined pinholes 12 are arranged on the needle plate 1 left and right, the needle head 2 is also adapted to the pinholes on the needle plate 1, a left rotating shuttle corresponding to the left combined pinhole 12 and a right rotating shuttle corresponding to the right combined pinhole 12 are arranged below the needle plate 1, two sewing needles 4 in the left combined pinhole 12 are matched with the left rotating shuttle, two sewing needles 4 in the right combined pinhole 12 are matched with the right rotating shuttle, four stitches can be sewn at one time, the processing speed is accelerated, the production efficiency is improved, and the requirements of various textile patterns can be met.

As shown in fig. 2, the needle heads 2 are provided with threaded holes corresponding to the mounting holes one by one, the threaded holes are mutually perpendicular and communicated with the corresponding mounting holes in the needle heads 2, and three sewing needles 4 are inserted into the corresponding mounting holes at the bottoms of the needle heads 2 and are fixed or loosened and adjusted through fastening screws in the threaded holes.

As shown in fig. 4, the tongue tip of the tongue-shaped partition plate 3 faces the opposite direction of the corresponding rotating shuttle 5, so that the sewing needle 4 can sew a plurality of stitches.

Claims

1. The utility model provides a needle plate and needle head subassembly of sewing machine, includes faller, syringe needle, installs the rotating shuttle in the faller below, be equipped with feed slot and pinhole on the faller, correspond on the syringe needle the sewing needle is installed to the pinhole, its characterized in that, the pinhole is the combination pinhole that can hold two sewing needles, be equipped with tongue baffle on the faller, make combination pinhole divide into first pinhole and second pinhole, the tongue tip of tongue baffle is towards the inner wall of combination pinhole and rather than the cooperation formation slit, set up through the slit intercommunication between first pinhole and the second pinhole, the sewing needle includes the first sewing needle that corresponds first pinhole, the second sewing needle that corresponds the second pinhole, and two sewing needles pass the same rotating shuttle of the pinhole cooperation that corresponds and sew up two stitches.

2. The needle plate and needle head assembly of a sewing machine of claim 1, wherein: the tongue-shaped baffle length is greater than the radius of the first pinhole or the second pinhole.

3. A needle plate and needle head assembly of a sewing machine as defined in claim 2, wherein: the tongue-shaped partition plate extends downwards along the combined pinhole, and the bottom is provided with a guide surface for sliding the wire harness into the slit.

4. A needle plate and needle head assembly of a sewing machine according to claim 1 or 2, wherein: the needle plate is provided with a single needle hole, the needle head is provided with a mounting hole matched with the single needle hole, and another rotating shuttle is mounted below the needle plate corresponding to Shan Zhenkong.

5. A needle plate and needle head assembly of a sewing machine according to claim 1 or 2, wherein: the needle plate is provided with two combined needle holes, the needle head is also adapted to the needle holes on the needle plate, and two rotating shuttles which are in one-to-one correspondence with the two combined needle holes are arranged below the needle plate.

6. The needle plate and needle head assembly of a sewing machine of claim 4, wherein: the tongue tip of the tongue-shaped partition plate faces to the opposite direction of the corresponding rotating shuttle.

7. The needle plate and needle head assembly of a sewing machine of claim 5, wherein: the tongue tip of the tongue-shaped partition plate faces to the opposite direction of the corresponding rotating shuttle.