TWM457744U - Guiding mechanism of sewing machine?for sewing left and?right?decorative?line - Google Patents

Description

Guide for the left and right decorative lines of the sewing machine

The present invention relates to a left decorative line which can be guided by an S-shaped coil around the first and second needles, and a right decorative line, which is S-shaped and wound under the second and third stitches. The guiding device between the points enables the finished product after sewing to be located on both sides of the needle point of the second needle, and the strength is average, and the effect of the completely symmetrical decorative line is obtained.

At present, the plurality of decorative lines are continuously wound around the needle points under the majority of the needles to decorate and reinforce the sewing place by a plurality of decorative lines. For example, in the invention patent application No. 098, 127, 981, the "wire structure of the front side of the sewing machine sewing cloth forming a thin and dense decorative line", the wire structure disclosed in the invention application has a sewing thread guiding unit and an upper decorative wire guide. a guiding unit, and the sewing machine has the sewing area; wherein the sewing thread guiding unit mainly has a knitting needle group which is actuated up and down, and the upper decorative thread guiding unit mainly has a movement up and down synchronously with the knitting needle group and is provided with a perforation a tension actuating element, an upper trim line limiting element provided with a first limiting slot and a second limiting slot, and a first hooking line block and a second hooking line block configured to cooperate with the knitting needle set to swing left and right The upper thread is hooked to the swinging element; if it is not only can form a decorative line effect on the sewing cloth, the pattern has a layered texture, and the strength function at the seam can be increased.

However, the wire structure disclosed in the prior art case, the sewing result after the first and second upper lines are guided, as shown in the seventh figure of the prior art case, wherein the first upper decorative line is S-shaped disk Wrapped between the first needle and the lower needle of the third needle, and the second upper thread is S-shaped and wound between the second needle and the third needle, because the first upper thread and the second needle The upper decorative line is not evenly distributed on both sides of the needle point below the second knitting needle, so the strength of the two sides of the knitting thread is not uniform and the decorative line cannot be left and right symmetrical, and there is a need for improvement.

In view of this, the creators of this case have been researching and innovating to reveal the guiding device for the left and right decorative lines of the sewing machine shown in the present invention.

The purpose of the present invention is to provide a left decorative line that can be guided by an S-shaped coil around the first and second needles, and a right decorative line, which is S-shaped and wound around the second and third stitches. The guiding device between the lower needle points enables the finished product after sewing to be located on both sides of the needle point of the second needle, and the strength is average, and the effect of the completely symmetrical decorative line is obtained.

The guiding device for the left and right decorative lines of the sewing machine disclosed in the present invention, wherein the sewing machine is gradually and vertically arranged by the operator from the left to the right direction, and has a first sewing needle, a second sewing needle and a third sewing needle, and is located at the third a wire-retaining member on the right side of the needle leads to the left decorative line and the right decorative line, and is provided with first and second swinging mechanisms; and the guiding device comprises: a first hooking plate for interlocking displacement of the first swinging mechanism, Before the first needle is lowered, the first swinging mechanism interlocks the first hooking board to move the left decorative line to the left, and the left decorative line is wound to the left side of the needle point below the first stitch; The second hooking plate is configured to move the displacement of the first swinging mechanism, so that the first swinging mechanism interlocks the second hooking board to move the right decorative line to the left, so that the right decorative thread is wound a left side of the needle point below the second stitch, and the line of the right decorative line between the second hook plate and the upper trim line limiting member is moved into the effective lower needle area of the third stitch; and, a push bar is a sewing machine The second swinging mechanism is linked, so that the second stitch is pushed down, the push The decorative thread rod located in the first left hook The line segment between the plate-to-upper line limiting member moves into the effective lower needle region of the second needle; if the first, second, and third stitches complete the lower needle and exit the first and second hook plates and the push rod Extending the left and right decorative lines by the tension control element of the sewing machine, so that the left decorative line is continuously S-shaped around the needle points below the first and second stitches, and the right decorative line is continuously S-shaped. Two or three stitches under the needle point.

The guiding device for the left and right decorative lines of the sewing machine disclosed in the present invention is further provided with a wire guide plate, and the first guiding hole and the second guiding hole are arranged on the wire guiding plate, so that the left decorative wire can pass through the wire a first guiding hole, and the right decorative thread passes through the second guiding hole. The wire plate is fixed to the needle of the sewing machine to move up and down and move with the first, second and third stitches.

The guiding device for the left and right decorative lines of the sewing machine disclosed in the present invention, wherein the first end of the first hook plate and the second hook plate are respectively connected by screws, and of course, the first hook plate and the second hook plate It can be molded in one piece, and the new model is not self-limiting.

The guiding device for the left and right decorative lines of the sewing machine disclosed in the present invention, wherein a spacing is formed between the first and second hook plates to allow the push rod to be displaced internally.

The first hook plate disclosed by the present invention is provided with a hook portion at the second end thereof to hook the left decorative line and shift the left decorative line belt to the predetermined position in the process of shifting to the left, that is, Wrap around the left side of the needle point below the first needle.

The second hook plate disclosed in the present invention is provided with a hook portion at the second end thereof to hook the right decorative line and shift the right decorative line belt to the predetermined position in the process of shifting to the left.

The guiding device for the left and right decorative lines of the sewing machine disclosed in the present invention, wherein the push rod is L-shaped, forming a V-shaped clip at the front end thereof to smoothly clamp the left decorative line and push it to the second The needle is effective for the needle area.

The guiding device for the left and right decorative lines of the sewing machine disclosed in the present invention, wherein the left decorative line and the right decorative line can be taken from decorative wires of different colors or materials, and the color and material thereof are not self-limiting.

The guiding device for the left and right decorative lines of the sewing machine disclosed in the present invention can ensure that the first sewing board moves the left decorative line to the left before the first sewing needle is lowered, and the left decorative line is wound around the first The left side of the needle point below the needle, so that the second needle is in front of the needle, the second hook plate moves the right decorative line to the left, so that the right decorative line passes around the left side of the needle point below the second needle; Before the second needle is lowered, the push rod moves the line segment of the left decorative line between the first hook plate and the upper trim line limiting member into the effective lower needle region of the second stitch, and at the same time, the right decorative line is located at the The line segment between the second hook plate and the upper trim line limiting component is moved into the effective lower needle region of the second and third stitches; if the first, second and third stitches respectively complete the lower needle, and exit the first and second hook plates and After pushing the wire rod, the left and right decorative lines are tightened by the tension control element of the sewing machine, so that the left decorative line is continuously wound between the needle points below the first and second stitches, and the right decoration is continuously wound around the second and third Under the needle, the needle is between the needles.

Because of the guiding device for the left and right decorative lines of the sewing machine disclosed in the present invention, since the left decorative line is S-shaped continuously wound between the lower needle points of the first and second stitches, the right decorative line is S-shaped continuous winding. Between the lower needle points of the second and third stitches, the left decorative line and the right decorative line can be evenly distributed on the left and right sides, so that the strength of both sides of the sewing seam can be averaged, and the symmetrical decorative line is completely symmetrical. The effect is obvious, and the novelty of the novel is industrially useful.

The desirable entities of the present invention can be clarified by the following figures and embodiments.

(10) ‧‧‧First stitch

(20)‧‧‧Second needle

(30)‧‧‧ Third stitch

(40) ‧‧‧Upper line limit components

(40a) ‧‧‧First Limit Hole

(40b) ‧‧‧second limit slot

(41)‧‧‧Wire plates

(411)‧‧‧First guiding hole

(412)‧‧‧Second guiding hole

(50)‧‧‧First swinging mechanism

(60) ‧‧‧Second swinging mechanism

(71) ‧ ‧ first board

(711) (721)‧‧‧Hook

(72) ‧‧‧Second board

(73)‧‧‧Pushing rod

(731)‧‧‧V-shaped jaws

(L1)‧‧‧Left decorative line

(L1’) ‧ ‧ line segment

(L2)‧‧‧Right decorative line

(L2’) ‧ ‧ line segment

(L20) ‧ ‧ line segment

(N)‧‧‧ needle stay

(P1) ‧‧‧ pin point

(P2) ‧‧‧ pin point

(P3) ‧‧‧ pin point

The first picture shows the appearance of the sewing machine used in this new type.

The second picture shows the installation diagram of the first and second hook plates and the push rod of the present invention.

The third figure shows the schematic diagram of the position of the first and second hook plates and the push rods of the present invention relative to the first, second and third slits.

The fourth picture is a schematic diagram of another perspective of the third picture.

The fifth picture shows the state diagram of the left and right decorative lines of the first and second hook plates and the push rod.

Figure 6: State diagram of the first and second hooks and push rods returned from the fifth diagram

The seventh picture is a schematic diagram of the finished product of the new type.

Figure 8 is a schematic view of another embodiment of the present invention.

Fig. 9 is a schematic view showing the operation state of the embodiment shown in the eighth figure.

Please refer to the first to seventh figures. The present invention relates to a guiding device for the left and right decorative lines of a sewing machine, in particular to a left and right decorative line (L1, L2), which are individually S-shaped. The needle points (P1, P2) under the first and second stitches (10, 20) and the needle points (P2, P3) below the second and third stitches (20, 30).

As shown in the first to fifth figures, the guiding device for the left and right decorative lines of the sewing machine disclosed in the present invention, wherein the sewing machine is gradually inserted by the operator from the left to the right direction to have a first stitch (10), a second stitch (20) and a third stitch (30), and the left decorative line (L1) and the right decorative line (L2) are led by the decorative line limiting member (40) located on the right side of the third stitch (30), and are provided. There are first and second swinging mechanisms (50, 60); and the guiding device comprises: a first hooking plate (71) for interlocking displacement of the first swinging mechanism (50), so that the first stitching needle (10) is under Before the needle, as shown in the fifth figure, the first swinging mechanism (50) interlocks the first hook plate (71) to move the left decorative line (L1) to the left, and the left decorative line (L1) is wound. Scripture a needle (10) below the needle point (P1); the second hook plate (72), the first swing mechanism (50) linkage displacement, so that the second needle (20) before the needle, as in the first As shown in the fifth figure, the first swinging mechanism (50) links the second hooking plate (72) to move the right decorative line (L2) to the left, and the right decorative thread (L2) is wound around the second stitch (20). ) the left side of the needle point (P2), and the line segment (L2') of the right decorative line (L2) between the second hook plate (72) and the upper trim line limiting member (40) is moved into the third stitch (30) The effective lower needle area; and a push rod (73) for interlocking the second swinging mechanism (60) of the sewing machine, so that the second needle (20) is placed before the needle, as shown in the fifth figure, The push rod (73) moves the left decorative line (L1) from the line segment (L1') between the first hook plate (71) and the upper trim line limiting member (40) into the effective lower needle region of the second stitch (20). If the first, second and third stitches (10, 20, 30) respectively complete the lower needle and exit the first and second hook plates (71, 72) and the push rod (73), the sewing machine is used. The tension control element [not shown] tightens the left and right decorative lines (L1, L2) so that the left decorative line (L1) can be S-shaped Wrap around the needle points (P1, P2) under the first and second stitches (10, 20), and the right decorative line (L2) can be continuously wound around the second and third stitches (20, 30) in an S shape. Needle point (P2, P3).

As shown in the first figure, the guide device for the left and right decorative lines of the sewing machine disclosed in the present invention is further provided with a wire guide plate (41), and the first guide hole (411) is disposed on the wire guide plate (41). And a second guiding hole (412), such that the left decorative line (L1) can pass through the first guiding hole (411) and the right decorative line (L2) passes through the second guiding hole (412) )By. The above-mentioned lead plate (41) is fixed to the needle holder (N) of the sewing machine to synchronize up and down and the movement with the first, second and third stitches (10, 20, 30).

As shown in the first figure, the guide device for the left and right decorative lines of the sewing machine disclosed in the present invention, wherein the upper trim line limiting member (40) is provided with a first limiting hole (40a) to allow The left decorative line (L1) penetrates the inside; and the second limiting groove (40b) allows the right decorative line (L2) to penetrate inside.

As shown in the second and fourth figures, the guiding device for the left and right decorative lines of the sewing machine disclosed in the present invention, wherein the first ends of the first hook plate (71) and the second hook plate (72) are respectively screwed The first hook plate (71) and the second hook plate (72) can be integrally formed as shown in the eighth figure, and the present invention is not limited.

As shown in the fourth figure, the guide device for the left and right decorative lines of the sewing machine disclosed in the present invention, wherein the first and second hook plates (71, 72) form a spacing to allow the push rod (73) Displaced inside.

As shown in the fifth figure, the first hook plate (71) disclosed in the present invention is provided with a hook portion (711) at the second end thereof to hook the left decorative line (L1) during the leftward displacement. And move the left decorative line (L1) belt to the aforementioned predetermined position, that is, to the left side of the needle point (P1) below the first needle (10).

As shown in the fifth figure, the second hook plate (72) disclosed in the present invention is provided with a hook portion (721) at the second end thereof to hook the right decorative line (L2) during the leftward displacement. And move the right decorative line (L2) belt to the aforementioned predetermined position, that is, to the left side of the needle point (P2) below the second needle (20).

As shown in the third and fourth figures, the guiding device for the left and right decorative lines of the sewing machine disclosed in the present invention, wherein the push rod (73) is L-shaped, and a V-shaped jaw (731) is formed at the front end thereof. To smoothly grasp the left decorative line (L1) and push it to the effective lower needle area of the second needle (20).

The guiding device for the left and right decorative lines of the sewing machine disclosed in the present invention, wherein the left decorative line (L1) and the right decorative line (L2) are taken from decorative wires of different colors or materials, and the color and material thereof are not new. Self-limited.

As shown in the eighth and ninth figures, the guide of the left and right decorative lines of the sewing machine disclosed in the present invention The guiding device, wherein the first hooking plate (71) and the second hooking plate (72) are integrally formed, so that the first sewing needle (10) is placed before the needle, and the first hooking plate (71) is to be the left decorative line (L1) ) to the left, so that the left decorative line (L1) is wound around the left side of the needle point (P1) below the first needle (10), so that the second needle (20) is placed before the needle, as shown in the ninth figure. Show that the second hook plate (72) hooks the right decorative line (L2) to the left, so that the right decorative line (L2) bypasses the left side of the needle point (P2) below the second needle (20); Before the second needle (20) is lowered, the push rod (73) moves the left decorative line (L1) from the line segment (L1') between the first hook plate (71) and the upper trim line limiting member (40). The second needle (20) is effective to lower the needle region, and at the same time, the right decorative line (L2) is located between the second hook plate (72) and the upper decorative member (40) between the line segments (L20), and is moved into the second needle (20) and the effective needle lowering area of the third needle (30); if the first, second and third stitches (10, 20, 30) respectively complete the lower needle, and exit the first and second hook plates (71, 72) and after the push rod (73), the left and right decorative lines (L1, L2) are tightened by the tension control element of the sewing machine to make the left decorative line (L1) Continued between the needle points (P1, P2) under the first and second stitches (10, 20), and the right decorative line (L2) continuously wraps around the needle points under the second and third stitches (20, 30) ( P2, P3).

As shown in the eighth figure, the first and second hook plates (71, 72) are integrally formed and located on the same plane, and the push rod (73) is located on the first and second hook plates (71, 72). The upper one.

As shown in the sixth and seventh figures, due to the guiding device for the left and right decorative lines of the sewing machine disclosed in the present invention, since the left decorative line (L1) is S-shaped continuously wound around the first and second stitches (10, 20) Between the lower needle points (P1, P2), and the right decorative line (L2) is S-shaped continuously wound between the lower needle points (P2, P3) of the second and third stitches (20, 30), so that the left The decorative line (L1) and the right decorative line (L2) can be evenly distributed on the left and right sides, so that the strength of both sides of the sewing seam can be averaged and the effect is completely symmetrical, and the novelty of the novel is combined with Industrial use.

The structure or component shape disclosed in the present invention can be used without departing from the spirit of the present invention. Modifications are applied in the context, and the present invention is not limited to the embodiments shown above.

(10) ‧‧‧First stitch

(20)‧‧‧Second needle

(30)‧‧‧ Third stitch

(71) ‧ ‧ first board

(711) (721)‧‧‧Hook

(731)‧‧‧V-shaped jaws

(72) ‧‧‧Second board

(73)‧‧‧Pushing rod

(L1)‧‧‧Left decorative line

(L1’) ‧ ‧ line segment

(L2)‧‧‧Right decorative line

(L2’) ‧ ‧ line segment

(P1) ‧‧‧ pin point

(P2) ‧‧‧ pin point

(P3) ‧‧‧ pin point

Claims (10)

A guiding device for a left and right decorative line of a sewing machine, wherein the needle of the sewing machine is arranged with a first stitch, a second stitch and a third stitch in a left-to-right direction of the operator, so that the left decorative line And the right decorative line is usually tensioned by the tension control element of the sewing machine, and the sewing machine is provided with the first and second swinging mechanisms; and the guiding device comprises: an upper decorative line limiting component, fixed on the sewing machine, and a first limiting hole is arranged to allow the left decorative line to penetrate therein, and a second limiting groove to allow the right decorative line to penetrate therein; the first hooking plate is a linkage displacement of the first swinging mechanism, Before the first needle is lowered, the first swinging mechanism interlocks the first hooking board to move the left decorative line to the left, and the left decorative line is wound to the left side of the needle point below the first needle; a hook plate for interlocking displacement of the first swinging mechanism, the first swinging mechanism is linked to the second hooking board to move the right decorative line to the left, so that the right decorative line is bypassed The left side of the stitch point below the second stitch, and the right decorative line is located on the second hook plate to a line segment between the wire limiting members is moved into the effective lower needle region of the third needle; and a push rod is linked to the second swinging mechanism of the sewing machine, so that the second needle is placed in front of the needle, and the push rod is left decorated The line segment between the first hook plate and the upper trim line limiting component moves into the effective lower needle region of the second stitch; if the first, second and third stitches respectively complete the lower needle, and exits the first and second hook plates After the push rod is pulled, the left and right decorative lines are tightened by the tension control element of the sewing machine, so that the left decorative line is continuously wound between the needle points below the first and second stitches, and the right decorative line is continuously wound around Two or three stitches under the needle point. The guiding device for the left and right decorative lines of the sewing machine according to the first aspect of the invention, wherein the first end of the first hooking plate and the second hooking plate are screwed to the connector. The guide device for the left and right decorative threads of the sewing machine according to the first aspect of the invention, wherein the first hook plate and the second hook plate are integrally formed. The guiding device for the left and right decorative lines of the sewing machine according to the first aspect of the invention, wherein a space is formed between the first and second hook plates to allow the push rod to be displaced inside. The guide device for the left and right decorative threads of the sewing machine according to the first aspect of the invention, wherein the push bar is L-shaped, and a V-shaped jaw is formed at the front end thereof. The guiding device for the left and right decorative lines of the sewing machine according to the first aspect of the patent application, wherein the left decorative line and the right decorative line are taken from decorative wires of different colors. The guiding device for the left and right decorative lines of the sewing machine according to the first aspect of the patent application, wherein the left decorative line and the right decorative line are taken from decorative wires of different materials. The guiding device for the left and right decorative lines of the sewing machine according to the first aspect of the patent application is further provided with a wire plate fixed to the needle of the sewing machine, and the first guiding hole and the first guiding hole are arranged on the wire plate. The two guiding holes are arranged such that the left decorative line can pass through the first guiding hole, and the right decorative line passes through the second guiding hole. The guide device for the left and right decorative lines of the sewing machine according to the first aspect of the invention, wherein the first hook plate and the second hook plate are integrally formed and located on the same plane, and the push bar is located at the first Above the second hook. The guiding device for the left and right decorative lines of the sewing machine according to the first aspect of the patent application, wherein the second sewing thread is disposed in front of the second sewing needle, and the pushing line is located between the first hooking plate and the upper decorative line limiting component. The line segment is moved into the effective lower needle region of the second needle, and the right decorative line is located in the line segment between the second hook plate and the upper trim line limiting member, and is moved into the effective lower needle region of the second stitch and the third stitch.