CN219079808U

CN219079808U - Sewing machine with easy threading machine needle

Info

Publication number: CN219079808U
Application number: CN202222617904.1U
Authority: CN
Inventors: 周碧华
Original assignee: Taizhou Xunyu Technology Co ltd
Current assignee: Taizhou Xunyu Technology Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-05-26
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses the field of sewing machinery, and aims to provide a sewing machine with an easy threading machine needle, which is characterized by comprising a sewing machine body and a machine seat, wherein the sewing machine body comprises a machine body and a machine head fixed on the machine body, an organic needle mounting seat and a presser foot mounting seat are fixed on the machine head, a mounting groove is arranged on the needle mounting seat, a fixing column is arranged at the bottom of the machine needle mounting seat, a first thread is arranged outside the fixing column, a positioning groove is arranged at the bottom of the fixing column, a fixing sleeve is sleeved at the outer side of the fixing column, a second thread is arranged on the inner wall of the fixing sleeve, the first thread is matched with the second thread, a limit table is arranged at the bottom of an inner cavity of the fixing sleeve, a guide sleeve is fixedly connected to the bottom of the limit table, a needle rod is arranged below the fixing column, the top end of the needle rod is sleeved in the inner cavity of the fixing sleeve, a fixing ring is arranged at the top of the limit table, and the fixing ring is arranged at the top of the limit table. The utility model is suitable for the field of sewing machines.

Description

Sewing machine with easy threading machine needle

Technical Field

The utility model relates to the field of sewing machines, in particular to a sewing machine with an easy threading machine needle.

Background

A sewing machine is a machine that uses one or more sewing threads to form one or more stitches on a material to interweave or stitch one or more layers of material. The sewing machine can sew cotton, hemp, silk, wool, artificial fiber and other fabrics, leather, plastic, paper and other products, and the sewn stitch is neat, beautiful, flat, firm, fast in sewing speed and simple and convenient to use.

The existing sewing machine has some problems in the use process: 1. the existing sewing machine needle is provided with a very small needle hole at the needle point, and is used as a lead wire of the sewing machine needle, and the threading is a difficult thing due to the very small needle hole; 2. the operation of the sewing machine needs a certain technology, a novice cannot easily make good hand and foot coordination, broken needles and broken lines are easily caused, clothing materials are possibly damaged, fingers are pricked and fingers are pricked in the worst case, and once the accidents happen, the patients need to be sent to a hospital for treatment immediately, and although the accidents are small safety accidents, the life is not endangered, and some pains are brought to the parties. Therefore, there should be a protective device of the sewing machine to ensure the safety of operators, especially for beginners. For this reason, some reports of related safety protection devices are reported, mostly adopting photoelectric induction and infrared induction principles, many are only theoretically thought of staying, and no truly practical product is seen, and the key reason is that the response time of photoelectric induction protection action cannot meet the requirement, and the motor running with a motor needle has great inertia and does not reach the brake at all, so that the accident of pricking fingers still can be caused; 3. the existing sewing machine lacks a storage device for placing various yarns, so that an operator is inconvenient to work and the working efficiency is affected.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a sewing machine which is hand-pricking-preventing and provided with a thread storage box and is provided with an easy threading machine needle.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a sewing machine with easy threading machine needle, including the sewing machine body, the frame, the sewing machine body is fixed in on the frame through hexagon socket head cap screw, the sewing machine body includes the organism and fixes the aircraft nose on the organism, fixed organic needle mount pad and presser foot mount pad on the aircraft nose, be equipped with the mounting groove on the needle mount pad, the needle mount pad bottom is equipped with the fixed column, the fixed column outside is equipped with first screw thread, the fixed column bottom is equipped with the constant head tank, the fixed column outside cover is equipped with the fixed sleeve, the fixed sleeve inner wall is equipped with the second screw thread, and first screw thread matches with the second screw thread, fixed sleeve inner chamber bottom is equipped with the limit table, limit table bottom fixedly connected with uide bushing, the fixed column below is equipped with the needle bar, and needle bar top cover is established in the fixed sleeve inner chamber, needle bar top is equipped with the solid fixed ring, and gu fixed ring locates limit table top, gu fixed ring top is equipped with the locating piece, and the locating piece is located in the constant head tank, needle bar bilateral symmetry is equipped with the optimizing slot, needle bar one side is equipped with wire inlet slot, and inlet slot inner chamber fixedly connected with the shell fragment, and shell fragment is equipped with the needle with inlet slot inner wall bottom; the presser foot mounting seat is fixedly provided with a presser foot; the machine head is provided with a protective cover installed through a machine head fixing piece, the protective cover comprises a protective ring and a connecting rod fixing piece, the protective ring, a front connecting rod piece and a rear connecting rod piece are integrated into a whole, a high-strength transparent plastic material is adopted, the front connecting rod piece and the rear connecting rod piece are connected with the connecting rod fixing piece through a connecting rod rotating shaft, and the 2 connecting rod fixing pieces are respectively connected with the machine head fixing piece into a whole.

The utility model is further provided with: the mounting groove is vertically arranged around the needle mounting seat, and the length of the mounting groove is two thirds of that of the needle mounting seat.

The utility model is further provided with: the positioning grooves are of isosceles trapezoid structures, the distances between adjacent positioning grooves are equal, and the shape of each positioning block is matched with the corresponding positioning groove.

The utility model is further provided with: the outer diameter of the fixed ring is equal to the diameter of the inner cavity of the fixed sleeve, and the diameter of the needle rod is equal to the diameter of the inner cavity of the guide sleeve.

The utility model is further provided with: the distance between the optimized grooves is one half of the diameter of the needle bar.

The utility model is further provided with: the wire inlet groove is of a spiral structure, and the elastic sheet is fixedly connected with the tail end of the wire inlet groove.

The utility model is further provided with: the front connecting rod piece and the rear connecting rod piece can rotate 90 degrees around the connecting rod rotating shaft on the connecting rod fixing piece, the needle and the presser foot can be covered when the protective ring is positioned downwards, and the bottom surface of the protective ring leaves the machine base for 5mm.

The utility model is further provided with: and a bevel connection wire storage box is arranged on the side wall of one side of the machine base close to the machine head.

The utility model is further provided with: the bottom of the machine seat is provided with a universal wheel which can be locked.

The beneficial effects of the utility model are as follows:

1. compared with the existing sewing machine, the sewing machine with the easy threading machine needle can facilitate the installation of the machine needle, can facilitate threading, improves the working efficiency, enables the machine needle to be fixed by the machine needle installation seat, is convenient to replace, does not affect the working progress, can facilitate the replacement of the machine needle by arranging the fixing sleeve, is simple to operate, can position the machine needle by arranging the positioning groove and the positioning block, can prevent the machine needle from rotating, can fix the machine needle by arranging the guide sleeve, can prevent the machine needle from moving, improves the stability, can optimize the machine needle by arranging the optimizing groove, reduces the weight of the machine needle, reduces the production cost, can change the traditional threading mode by arranging the wire inlet groove, and improves the working efficiency.

2. The protective cover adopted by the sewing machine with the needle easy to thread can avoid the defects that the photoelectric protective device has slow response and can still prick fingers when a circuit fails, and can effectively prevent the danger of pricking fingers of a beginner. In addition, the high-strength transparent plastic is adopted, so that the sight of an operator is not blocked, and the work injury accident of the sewing operator can be effectively avoided.

3. The yarn can be placed by arranging the yarn storage box, so that an operator can conveniently take the yarn, and the working efficiency is improved.

4. The utility model has simple structure, reasonable design and convenient manufacture, and is suitable for popularization, implementation and application.

Drawings

Fig. 1 is a structural view of a sewing machine with an easy threading needle according to the present utility model.

Fig. 2 is an enlarged view of a portion of the sewing machine of fig. 1 with an easy threading needle of the present utility model.

Fig. 3 is a structural view of a sewing machine needle having an easy threading machine needle according to the present utility model.

Fig. 4 is a structural view of a needle holder for a sewing machine having an easy-threading needle according to the present utility model.

Fig. 5 is a structural view of a needle thread feeding slot of a sewing machine with an easy threading needle according to the present utility model.

Fig. 6 is a cross-sectional view of a sewing machine needle bar having an easy threading machine needle according to the present utility model.

FIG. 7 is a block diagram of a sewing machine shield having an easy threading needle of the present utility model.

FIG. 8 is a view of the steering shift of the sewing machine shield with the easy threading needle of the present utility model.

Fig. 1-8 reference numerals: 1. a sewing machine body; 2. a base; 3. a machine head; 4. a needle mounting seat; 5. a presser foot mounting seat; 6. a mounting groove; 7. fixing the column; 8. a first thread; 9. a positioning groove; 10. fixing the sleeve; 11. a second thread; 12. a limiting table; 13. a guide sleeve; 14. a needle bar; 15. a fixing ring; 16. a positioning block; 17. optimizing the groove; 18. wire inlet groove; 19. a spring plate; 20. a needle; 21. a presser foot; 22. a machine head fixing piece; 23. a protective ring; 24. a connecting rod fixing piece; 25. a front link plate; 26. a rear link plate; 27. a connecting rod rotating shaft; 28. a wire storage box; 29. and a universal wheel.

Detailed Description

Embodiments of the present utility model for a sewing machine having an easy threading needle are further described with reference to FIGS. 1-8.

The sewing machine with the needle easy to thread comprises a sewing machine body 1 and a machine base 2, wherein the sewing machine body 1 is fixed on the machine base 2 through an inner hexagon bolt, the sewing machine body 1 comprises a machine body and a machine head 3 fixed on the machine body, a needle mounting seat 4 and a presser foot mounting seat 5 are fixed on the machine head 3, the needle and the presser foot 21 can be fixed, the needle is convenient to replace, the working progress is not affected, a mounting groove 6 is arranged on the needle mounting seat 4, a fixing column 7 is arranged at the bottom of the needle mounting seat 4, a first thread 8 is arranged outside the fixing column 7, a positioning groove 9 is arranged at the bottom of the fixing column 7, a fixing sleeve 10 is sleeved outside the fixing column 7, the needle replacement can be facilitated, the operation is simple, a second thread 11 is arranged on the inner wall of the fixing sleeve 10, the first thread 8 is matched with the second thread 11, a limiting table 12 is arranged at the bottom of the inner cavity of the fixing sleeve 10, the bottom of the limiting table 12 is fixedly connected with the guide sleeve 13, so that the needle can be fixed, the needle is prevented from moving, the stability is improved, the needle bar 14 is arranged below the fixed column 7, the top end of the needle bar 14 is sleeved on the inner cavity of the fixed sleeve 10, the top of the needle bar 14 is provided with the fixed ring 15, the fixed ring 15 is arranged on the top of the limiting table 12, the top of the fixed ring 15 is provided with the positioning block 16, the positioning block 16 is arranged in the positioning groove 9, the needle can be positioned, the needle is prevented from rotating, the two sides of the needle bar 14 are symmetrically provided with the optimizing groove 17, the needle can be optimized, the weight of the needle is lightened, the production cost is reduced, one side of the needle bar 14 is provided with the wire inlet groove 18, the traditional threading mode can be changed, the working efficiency is improved, the wire inlet groove 18 penetrates one side of the optimizing groove 17, the inner cavity of the wire inlet groove 18 is fixedly connected with the elastic sheet 19, the other end of the elastic sheet 19 is attached to the inner wall of the wire inlet groove 18, the bottom of the needle bar 14 is provided with a needle head 20; the presser foot mounting seat 5 is fixedly provided with a presser foot 21; the machine head 3 is provided with a protective cover which is arranged through a machine head fixing plate 22, the machine head fixing plate 22 is provided with a machine head fixing hole, the protective cover is fixedly arranged on the machine head through the machine head fixing plate 22 by using screws, the protective cover comprises a protective ring 23 and a connecting rod fixing plate 24, the protective ring 23, a front connecting rod plate 25 and a rear connecting rod plate 26 are integrated, a high-strength transparent plastic material is adopted, the sight of an operator is not blocked, the work accident of the sewing operator can be effectively avoided, the front connecting rod plate 25 and the rear connecting rod plate 26 are connected with the connecting rod fixing plate 24 through a connecting rod rotating shaft 27, the 2 connecting rod fixing plates 24 are respectively connected with the machine head fixing plate 22 into a whole, the protective ring 23 can be turned down when the protective ring is required to be protected, the periphery of the machine needle is covered, and when the protective ring 23 is required to be removed, the protective ring 23 can be rotated upwards by 90 degrees around the connecting rod rotating shaft 27 in the connecting rod fixing plate 24, and the protective cover can avoid the defects that the photoelectric protective device has slow reaction and the fingers can be pricked when a circuit fails, and the danger of a beginner can be effectively prevented from pricking the fingers; the mounting groove 6 is vertically arranged around the needle mounting seat 4, and the length of the mounting groove 6 is two thirds of that of the needle mounting seat 4; the positioning grooves 9 are of isosceles trapezoid structures, the distances between the adjacent positioning grooves 9 are equal, and the shape of the positioning block 16 is matched with that of the positioning groove 9; the outer diameter of the fixed ring 15 is equal to the diameter of the inner cavity of the fixed sleeve 10, and the diameter of the needle bar 14 is equal to the diameter of the inner cavity of the guide sleeve 13; the distance between the optimized slots 17 is one half of the diameter of the needle bar 14; the wire inlet groove 18 is of a spiral structure, the elastic sheet 19 is fixedly connected with the tail end of the wire inlet groove 18, when the wire inlet groove is installed, the needle bar 14 passes through the fixed sleeve 10, then the fixed sleeve 10 is sleeved on the fixed column 7, the needle bar 14 is fixed through rotation, and when threading is carried out, a sewing wire is directly grasped and pushed into the inner cavity of the wire inlet groove 18 through the wire inlet groove 18, the elastic sheet 19 prevents the sewing wire from sliding out of the wire inlet groove 18, the trouble of traditional threading is changed, and the production efficiency is improved; the front connecting rod piece 25 and the rear connecting rod piece 26 can rotate 90 degrees around the connecting rod rotating shaft 27 on the connecting rod fixing piece 24, when the sewing operation is inconvenient, the protective cover can be rotated upwards by 90 degrees through the front connecting rod piece and the rear connecting rod piece, the needle and the presser foot 21 can be covered when the protective ring 23 is positioned downwards, and the bottom surface of the protective ring 23 is separated from the machine seat 2 by 5mm, so that fingers can be well protected, and the movement of the sewing operation can not be influenced; the side wall of the machine base 2, which is close to one side of the machine head 3, is provided with the bevel connection thread storage box 28, and the thread storage box 28 is arranged to place spinning threads, so that an operator can conveniently take the threads, and the working efficiency is improved; the bottom of the machine base 2 is provided with the universal wheel 29 which can be locked, so that the sewing machine can be conveniently moved, and time and labor are saved. The utility model has simple structure, reasonable design and convenient manufacture, and is suitable for popularization, implementation and application.

The above description is only a preferred embodiment of the present utility model, and is not intended to limit the utility model, but one skilled in the art can make common changes and substitutions within the scope of the technical solution of the present utility model.

Claims

1. The utility model provides a sewing machine with easy threading machine needle, including sewing machine body (1), frame (2), a serial communication port, sewing machine body (1) is fixed in on frame (2) through hexagon socket head cap screw, sewing machine body (1) include the organism and fix aircraft nose (3) on the organism, fixed organic needle mount pad (4) and presser foot mount pad (5) on aircraft nose (3), be equipped with mounting groove (6) on needle mount pad (4), needle mount pad (4) bottom is equipped with fixed column (7), the fixed column (7) outside is equipped with first screw thread (8), fixed column (7) bottom is equipped with constant head tank (9), fixed column (7) outside cover is equipped with fixed sleeve (10), fixed sleeve (10) inner wall is equipped with second screw thread (11), and first screw thread (8) and second screw thread (11) match, fixed sleeve (10) inner chamber bottom is equipped with spacing platform (12), spacing platform (12) bottom fixedly connected with guide sleeve (13), fixed column (7) below is equipped with needle bar (14), and needle bar (14) top cover is equipped with fixed ring (15) top (15) and fixed ring top (15) are equipped with top fixed ring (15), the positioning block (16) is arranged in the positioning groove (9), the optimizing groove (17) is symmetrically arranged on two sides of the needle bar (14), the wire inlet groove (18) is arranged on one side of the needle bar (14), the wire inlet groove (18) penetrates through one side of the optimizing groove (17), the elastic sheet (19) is fixedly connected to the inner cavity of the wire inlet groove (18), the other end of the elastic sheet (19) is attached to the inner wall of the wire inlet groove (18), and the needle head (20) is arranged at the bottom of the needle bar (14); a presser foot (21) is fixed on the presser foot mounting seat (5); the machine head (3) is provided with a protective cover installed through a machine head fixing piece (22), the protective cover comprises a protective ring (23) and a connecting rod fixing piece (24), the protective ring (23) and a front connecting rod piece (25) and a rear connecting rod piece (26) are integrated, high-strength transparent plastic materials are adopted, the front connecting rod piece (25) and the rear connecting rod piece (26) are connected with the connecting rod fixing piece (24) through a connecting rod rotating shaft (27), and the 2 connecting rod fixing pieces (24) are respectively connected with the machine head fixing piece (22) into a whole.

2. The sewing machine with the easy threading needle according to claim 1, characterized in that the mounting groove (6) is vertically arranged around the needle mounting seat (4), and the length of the mounting groove (6) is two thirds of the length of the needle mounting seat (4).

3. The sewing machine with the threading machine needle according to claim 1, characterized in that the positioning grooves (9) are isosceles trapezoid structures, distances between adjacent positioning grooves (9) are equal, and the shape of the positioning block (16) is matched with the positioning grooves (9).

4. A sewing machine with an easy threading needle according to claim 1, characterized in that the outer diameter of the fixing ring (15) is equal to the diameter of the inner cavity of the fixing sleeve (10), and the diameter of the needle bar (14) is equal to the diameter of the inner cavity of the guiding sleeve (13).

5. A sewing machine with an easy threading needle according to claim 1, characterized in that the distance between the optimizing slots (17) is one half the diameter of the needle bar (14).

6. The sewing machine with the threading machine needle according to claim 1, characterized in that the thread inlet groove (18) is of a spiral structure, and the elastic sheet (19) is fixedly connected with the tail end of the thread inlet groove (18).

7. A sewing machine with an easy threading needle according to claim 1, characterized in that the front link plate (25) and the rear link plate (26) can rotate 90 degrees around the link shaft (27) on the link fixing plate (24), the needle and the presser foot (21) can be covered when the guard ring (23) is positioned downwards, and the bottom surface of the guard ring (23) is separated from the machine base (2) by 5mm.

8. A sewing machine with an easy threading needle according to claim 1, characterized in that the side wall of the machine base (2) close to the machine head (3) is provided with a bevel-mouth thread storage box (28).

9. A sewing machine with an easy threading needle according to claim 1, characterized in that the bottom of the frame (2) is provided with a lockable universal wheel (29).