JP3156742U - Sewing needle for quick threading - Google Patents

Abstract

A sewing needle that can be threaded quickly is provided. A sewing needle 2 capable of rapidly threading, comprising a needle mounting head 1, a sewing needle 2 and a threading device 3, wherein the top end of the sewing needle is axially inserted into the needle mounting head, By threading the threading hole 21 near the bottom end of the needle, the thread material passes through the threading hole and is threaded into the sewing needle. The threader and the needle mounting head are pivotally movable. The threader is mainly constituted by an upright-type hitting plate 31 and a thread rod 33. The hitting plate is pivotally inserted in the needle mounting head in the axial direction and is adjacent to the sewing needle. Both ear pieces 34 and the like are protruded on both sides of the backing plate, and the yarn basket is suspended from the front edge of the backing plate and forms an open curved casing so that the yarn basket becomes the yarn. The thread material is hooked by reciprocating through the threaded hole, the threading operation of the sewing needle is performed, and the convenience of threading is improved. [Selection] Figure 1

Description

The present invention relates to a sewing machine or a sewing machine, and more particularly to a sewing needle that can be threaded quickly and can be threaded easily and quickly.

Machines such as sewing machines and sewing machines mainly sew cloths by means of sewing the thread material to the cloth with a sewing needle, or embroider the thread material on the cloth to form various decorative designs, and the material, thickness and color of the cloth. Depending on the design to be embroidered, the thread material of the appropriate thickness and color is often selected. When the thread material is exhausted, it may be necessary to pass a new thread or the sewing needle is used for a certain period of time. Then, it may be blunted or broken, and it is necessary to perform threading every time the thread material or the sewing needle is replaced in the process of use.

Because the diameter of the sewing needle is thin, the needle holes for threading are also very small. In order to pass the thread through these needle holes, not only good visual acuity but also considerable attention is required. In fact, it is inconvenient and time consuming, and if you are not careful, it is easy to cause an accident that injures your finger with the sewing needle.

In view of the above problems, the inventor of the present invention actively researched and developed, and finally completed a sewing needle that can be threaded quickly with creative and industrial value.

An object of the present invention is to provide a sewing needle that can be threaded quickly and can be completed easily and quickly, thereby improving the convenience of threading.

The next object of the present invention is to improve the safety of threading by forming a shielding plate to avoid the finger from coming into contact with the needle tip of the sewing machine when threading.

A sewing needle that can be threaded quickly that can achieve the above-described object includes a needle mounting head, a sewing needle, and a threader, and a top end of the sewing needle is axially inserted into the needle mounting head. By drilling a threading hole near the bottom end of the needle, the threading hole is drilled into the sewing needle through the threading hole, and the threader is pivotally connected to the needle mounting head. ing. The threader is mainly composed of an upright type patch plate and a thread kite, the patch plate is pivotally inserted in the rectangular plate body of the needle mounting head, and the patch plate and the sewing needle are Next to each other. Both ear pieces are protruded on both sides of the backing plate, the thread fold is suspended from the front edge of the backing plate, and an open-type curved housing is formed at the bottom edge of the backing plate, The thread material is hooked by reciprocating through the threading hole, the threading operation of the sewing needle is performed, and the convenience of threading is improved.

According to the present invention, the thread material is easily and quickly drilled into the sewing needle to effectively improve the threading convenience, and also in the process of threading, the shield is formed by the shielding plate, and the finger is sewn to the sewing machine. It is possible to avoid piercing with the needle tip of the needle and to improve the threading safety.

1 is a perspective view of a preferred embodiment of the present invention. 1 is an exploded perspective view of a preferred embodiment of the present invention. It is the elements on larger scale of the sewing machine needle bottom end part of Drawing 2A. It is the elements on larger scale of the yarn hook part of FIG. 2A. 1 is a perspective view of a preferred embodiment of the present invention with a backward viewing angle. FIG. (A) is a left sectional view of a preferred embodiment of the present invention, (B) is a partially enlarged view of a positioning button portion of (A), (C) is a partially enlarged view of a protruding portion of (A). is there. It is a perspective view of the 2nd example of the present invention. It is a perspective view by the backward view angle of the 2nd example of the present invention. It is left side sectional drawing of the 2nd Example of this invention. It is left side sectional drawing of the 2nd Example of this invention. It is sectional drawing which provided the spring rod in the left side of the contact plate in the connecting rod of 2nd Example of this invention. (A) is a perspective view of the threading operation state (1) of a preferred embodiment of the present invention, and (B) is a partially enlarged view of the thread portion of (A). (A) is a left cross-sectional view of the threading operation state (2) of a preferred embodiment of the present invention, and (B) is a partially enlarged view of the protrusion of (A). (A) is a perspective view of the threading operation state (3) of a preferred embodiment of the present invention, and (B) is a partially enlarged view of the thread spool portion of (A). (A) is a perspective view of the threading operation state (4) of a preferred embodiment of the present invention, (B) is a partially enlarged view of the thread spool portion of (A). It is a perspective view of the threading operation state (5) of a preferred embodiment of the present invention. In the preferred embodiment of the present invention, the threading device is completed and the threading device is returned to its original position. It is the schematic perspective view which completed positioning of this invention threader.

1 to 4 show a sewing needle that can be threaded quickly according to the present invention, and mainly includes a needle mounting head 1, a sewing needle 2, and a threading device 3. The needle mounting head 1 includes The connecting rod 9 is connected to a connecting rod 9 of a sewing machine, and the connecting rod 9 is provided with a guide groove 91 in the axial direction so that the connecting rod 9 moves the needle mounting head 1 along the vertical direction. To reciprocate. A conductor groove 11 is recessed in the front edge of the needle mounting head 1, and a locking groove 13 and a locking groove 15 are formed in the rear edge of the needle mounting head 1, and the locking groove 15 is formed in the guide groove 91. Correspondingly, the needle mounting head 1 is separately provided with a needle tightening device 12 in a lateral direction, and the top end of the sewing needle 2 is inserted into the needle mounting head 1 and is tightened and fixed from the side by the needle tightening device 12. The sewing needle 2 is provided with a threading hole 21 near the bottom end (see FIG. 2B), and a thread material is guided toward the bottom end of the sewing needle 2 by the conductive wire groove 11 so that the thread is formed. The sewing machine needle 2 is pierced through the through hole 21.

The threader 3 is pivotally connected to the needle mounting head 1 and is molded by plastic injection molding, non-metal processing molding or metal plate material processing, and is mainly constituted by an upright-type pad 31, a shielding plate 32 and a thread rod 33. Composed. The abutting plate 31 is a rectangular plate, and is pivotally inserted into the fitting groove 15 of the needle mounting head 1, and the abutting plate 31 is adjacent to the sewing needle 2. The shielding plate 32 is provided on the front edge of the bottom end of the contact plate 31. As shown in FIG. 2C, a pair of ear pieces 34 and 35 protruding on both sides of the abutting plate 31 are adjacent to the top end of the shielding plate 32, and a threading groove 322 is formed in the shielding plate 32. The threading groove 322 extends in the direction of the abutting plate 31 to form a needle guide groove 324.

As shown in FIG. 4B, the thread rod 33 is suspended from the front edge of the abutting plate 31 and is located above the needle guide groove 324, and the thread rod 33 is located at the bottom edge. An open-type curved housing is formed (the thread rod 33 can also form an open-type curved housing at the top edge), the lower stage of the sewing needle 2 extends and passes through the threading groove 322; A positioning button 312 is protruded on the front edge near the bottom end of the contact plate 31, a locking groove 13 is recessed on the rear edge of the needle mounting head 1, and the positioning button 312 is fitted in the locking groove 13. Thus, the threader 3 is positioned.

As shown in FIGS. 2A and 4C, a protrusion 314 is provided on the rear edge close to the top end of the pad 31 and is adjacent to the rear edge of the pad 31 in the needle mounting head 1. In addition, by forming the flange 14, when the threader 3 moves downward to form a threading operation state, the flange 14 causes a restricting action on the protrusion 314, and The hook 33 is positioned to form a state opposite to the threading hole 21, and the thread hook 33 reciprocates through the threading hole 21 to hook the thread material, thereby performing the threading operation of the sewing needle 2. .

5 to 8 show a sewing needle that can be threaded quickly in the second embodiment of the present invention. The connecting rod 9 is a hollow rod-like body, and a fixed body 93 is provided on the inner edge of the bottom. A guide slope 931 is installed in the axial direction of the fixed body 93, an arc 932 is formed at the top end of the guide slope 931, and the fixed body 93 is placed at the bottom of the connecting rod 9 of the sewing equipment. Link. A locking groove 13 and a fitting groove 15 are formed at the rear edge of the needle mounting head 1, and the fitting groove 15 communicates with the inner edge of the connecting rod 9 and the relative space 94 of the guide slope 931, and a threader. When the three contact plates 31 are pivotally inserted in the fitting groove 15 of the needle mounting head 1 in the axial direction and moved up and down, the guide slope 931 and the arc 932 of the fixed body 93 guide the contact plate 31. As a result, the sewing equipment drives the connecting rod 9 to reciprocate the needle mounting head 1 in the vertical direction. The relative space 94 between the inner edge of the connecting rod 9 and the guide slope 931 can limit the contact plate 31 of the threader 3 and prevent displacement. As shown in FIG. 9, a fixing side 95 is provided on the top of the connecting rod 9, and can be inclined to the fixing side 95 and the contact plate 31 of the threader 3 by a spring rod 96. When the threading device 3 is returned, the spring rod 96 is moved upward, and the spring plate 96 can restrict the contact plate 31 from being displaced in a timely manner.

When the thread material is pierced through the threading hole 21 to be pierced by the sewing needle 2, first, the bottom end portion of the abutting plate 31 is moved backward by a small width due to the material elasticity of the abutting plate 31. Thus, when the positioning button 312 is released from the locking groove 13, the threader 3 is moved downward, and the state shown in FIGS. 10 and 11 is obtained. At this time, the threading device 3 is positioned by the restricting action (as shown in FIG. 11B) of the flange 14 with respect to the protruding portion 314, and the threading device 3 is detached from the needle mounting head 1. This can be avoided and the thread rod 33 and the threading hole 21 are made to face each other (as shown in FIG. 10B). Next, as shown in FIG. 12, the thread material 92 to be penetrated into the sewing needle 2 is guided to the bottom end of the sewing needle 2 and the shielding plate 32 by the conducting wire groove 11, and the thread material 92 is Rotate from the leading edge of the backing plate 31 to the trailing edge of one ear piece 34 of the backing plate 31, further pull out from the bottom edge of the ear piece 34, turn to the leading edge of the sewing needle 2, and then the other ear. A state in which the backing plate 31 and the sewing needle 2 are wound around the thread material 92 by turning from the bottom edge of the piece 35 to the rear edge of the ear piece 35 and further pulling forward from the top edge of the ear piece 35. It becomes.

Next, as shown in FIG. 13, the thread material 92 is pulled forward from the top edge of the ear piece 35, and the restraining action of the thread material 92 and the elasticity of the patch plate 31 cause the patch plate 31. The bottom end portion of the sewing machine needle 2 is moved in the direction of the sewing needle 2, and the sewing needle 2 also approaches the abutting plate 31 by the guide of the needle guide groove 324. On the other hand, the thread rod 33 extends through the threading hole 21 to the front of the sewing needle 2 and hooks the thread material 92.

Next, as shown in FIG. 14, the traction force with respect to the thread material 92 is relaxed, and the abutting plate 31 returns to the rear by its own elasticity. When the thread rod 33 retreats from the threading hole 21, the thread material 92 is hooked on the thread material 92 and passes through the threading hole 21. Finally, as shown in FIG. 15, the threader 3 is pushed up and returned. The thread material 92 leaves the thread rod 33 from the bottom edge of the thread rod 33 and completes the threading operation of the sewing needle. Next, the thread material 92 is restricted to the threading groove 322 of the shielding plate 32 by the conducting wire groove 11 to start the sewing machine, and the needle mounting head 1, the sewing needle 2 and the threader 3 are connected to the connecting rod 9. The sewing machine can be reciprocated in the vertical direction in conjunction with the sewing machine to start the subsequent sewing or embroidery work. At the same time, as shown in FIG. 16, the thread material 92 limited in the threading groove 322 does not sway in the process of sewing or embroidery.

As described above, according to the present invention, the thread material is easily and quickly punched into the sewing needle to effectively improve the threading convenience, and also in the threading process, the shielding plate 32 shields the threading thread. Can be formed, and it is possible to avoid piercing the finger with the needle tip of the sewing needle, and to improve the safety of threading.

In summary, the proposal is not only creative in terms of spatial form, but also can improve the above-mentioned multi-item efficacy compared to conventional products, and is already legally practical enough for novelty and inventive step. It is up to you to file an application here that meets the requirements of the new model.

DESCRIPTION OF SYMBOLS 1 Needle mounting head 11 Lead wire groove | channel 12 Needle clamp | tightening instrument 13 Locking groove 14 Flange 15 Locking groove 2 Sewing needle 21 Threading hole 3 Threading device 31 Contact plate 312 Positioning button 314 Protrusion part 32 Shielding plate 322 Threading groove 324 Needle Guide groove 33 Thread hook 34 Ear piece 35 Ear piece 9 Connecting rod 91 Guide (or guiding) groove 92 Thread material 93 Fixed body 931 Guide slope 932 Arc 94 Relative space 95 Fixed side 96 Spring 鈎

Claims (9)

A sewing needle that can be threaded quickly, including a needle mounting head, a sewing needle and a threader,
A locking groove is formed at the rear edge of the needle mounting head, and the top end of the sewing needle is inserted into the needle mounting head and a threading hole is formed near the bottom end of the needle, thereby forming a thread. A thread is passed through the threading hole to pierce the sewing needle, and the threader is pivotally operatively connected to the needle mounting head,
The threader is mainly constituted by an upright type paddle and a thread spool, and the padboard is pivotally inserted in the fitting groove of the needle mounting head in the axial direction and adjacent to the sewing needle. By projecting both ear pieces on both sides of the plate, the yarn basket is suspended from the front edge of the backing plate, and by forming an open-type curved casing,
The thread spool can pass through the threading hole back and forth, hook the thread material, perform the threading operation of the sewing needle, and improve the convenience of threading. Sewing needle. Furthermore, a shielding plate is included, and the shielding plate is provided on the front edge of the bottom end of the contact plate, and the both ear pieces are adjacent to the top end of the shielding plate, so that the finger can be machined during the threading operation. The sewing needle capable of rapid threading according to claim 1, wherein contact with the needle is avoided and safety of threading is improved. The shield plate is provided with a threading groove, the threading groove is also extended in the direction of the abutment plate to form a needle guide groove, and the thread guide is installed above the needle guide groove. The sewing needle according to claim 2, wherein the lower stage of the sewing needle extends and passes through the threading groove. By positioning a positioning button on the front edge near the bottom end of the abutting plate and recessing a locking groove on the rear edge of the needle mounting head, the positioning button is fitted into the locking groove. The threading machine needle according to claim 1, wherein the threading device is positioned. By projecting a protrusion on the rear edge near the top end of the patch plate and forming a flange adjacent to the patch plate rear edge inside the needle mounting head, the threader moves downward. 2. The rapid operation according to claim 1, wherein when the threading state is formed, the flange exerts a restricting action on the protrusion, and the thread rod and the threading hole form a relative state. Sewing needle that can be threaded through. The sewing machine capable of rapidly threading according to claim 1, wherein a needle tightening device is installed on a side surface of the needle mounting head, and the sewing needle is fastened and fixed to the needle mounting head from the side. needle. 2. The threading device according to claim 1, wherein the thread material is guided toward the bottom end of the sewing needle by forming a conductor groove inside the front edge of the needle mounting head. Sewing needle. The needle mounting head is connected to the connecting rod of the sewing equipment, so that the sewing equipment reciprocates the needle mounting head and the threader pivotally inserted in the fitting groove of the needle mounting head along the vertical direction. The sewing needle according to claim 1, wherein the sewing needle can be threaded quickly. The sewing needle according to claim 8, wherein a guide groove is provided in the connecting rod in the axial direction, and the guide groove communicates with the fitting groove.