Winding device of sewing machine

Abstract

The utility model relates to the technical field of sewing machines, and discloses a sewing machine winding device which comprises a pressing plate, an edge pressing plate is arranged on one side of the inner wall of one end of the pressing plate, an edge curling piece is arranged on the other side of the inner wall of one end of the pressing plate, a mounting rod is arranged at the top of the pressing plate, and a threaded rod is rotationally arranged on one side of the inner wall of the mounting rod. The outer surface of one side of the middle of the threaded rod is in threaded connection with the interior of the inner wall of one end of a connecting plate, a clamping plate is arranged at the top of the connecting plate, and two hoops are hinged to one side of the mounting rod through a hinge frame and are arranged in an up-down mirror image mode. According to the winding device of the sewing machine, the connecting plate can drive the clamping plate to move through rotation of the threaded rod, the clamping plate clamps an installation foot of the sewing machine, the installation angle of the presser foot can be adjusted under the condition that the presser foot is convenient to install, and the presser foot can be attached to the installation foot of the sewing machine to be installed; and the presser foot can stably keep the vertical effect after being installed.

Description

TECHNICAL FIELD

[0001] The present application relates to the sewing machine technical field, specifically to a sewing machine winding device. BACKGROUND

[0002] The presser foot of a sewing machine is an essential part of the feeding mechanism of the sewing machine, and various forms of presser foot play a very important role in the production process, such as the presser foot for sewing invisible thread and invisible zipper, and the presser foot for pleating, etc. It is very important to select different presser feet in different sewing operations. The presser foot of a sewing machine is assembled on the sewing machine and clamps the fabric between the needle plate on the sewing machine table.

[0003] The existing patent (publication number:) discloses.

[0004] The current hemming presser foot of a sewing machine is usually provided with an installation inner wall larger than the installation foot of the sewing machine for the convenience of installation, which affects the installation angle of the presser foot, easily causes the presser foot to fail to maintain vertical, and the vibration during the operation of the sewing machine causes the fixing bolt to loosen the fixation of the presser foot, easily causing the presser foot to gradually fall off the sewing machine. CONTENT OF THE UTILITY MODEL

[0005] In view of the deficiencies of the prior art, the present application provides a sewing machine winding device, which has the advantages of adjusting the installation angle of the presser foot for the convenience of installation, allowing the presser foot to be installed in close contact with the installation foot of the sewing machine, stably maintaining the verticality of the presser foot after installation, and improving the stability of the presser foot after installation to avoid the presser foot from falling off the sewing machine due to vibration, etc., and solves the problem that the installation inner wall is usually provided to be larger than the installation foot of the sewing machine for the convenience of installation, which affects the installation angle of the presser foot, easily causes the presser foot to fail to maintain vertical, and the vibration during the operation of the sewing machine causes the fixing bolt to loosen the fixation of the presser foot, easily causing the presser foot to gradually fall off the sewing machine.

[0006] To achieve the above-mentioned purpose of adjusting the installation angle of the presser foot for the convenience of installation, allowing the presser foot to be installed in close contact with the installation foot of the sewing machine, stably maintaining the verticality of the presser foot after installation, and improving the stability of the presser foot after installation to avoid the presser foot from falling off the sewing machine due to vibration, the present application provides the following technical solution: a sewing machine winding device, comprising a press plate, one side of the inner wall of one end of the press plate is provided with a press edge plate, the other side of the inner wall of one end of the press plate is provided with a hemming element, the top of the press plate is provided with an installation rod, one side of the inner wall of the installation rod is rotationally provided with a threaded rod, one side of the outer surface of the middle part of the threaded rod is threadedly connected to the inner wall of one end of a connecting plate, and the top of the connecting plate is provided with a clamping plate.

[0007] The two clamps are arranged in an upper and lower mirror image mode, and the ends of the two clamps away from the hinged frame are provided with limiting strips, and the outer surfaces of the limiting strips at the ends of the clamps are in sliding connection with the inner walls of the limiting sleeves at the ends.

[0008] Through the above scheme, the rotation of the threaded rod can drive the connecting plate to move, and the clamping plate can clamp the mounting foot of the sewing machine, so that the installation angle of the presser foot can be adjusted, the presser foot can be installed to fit the mounting foot of the sewing machine, and the presser foot can be stably kept vertical after installation.

[0009] Further, the inner wall of the end of the connecting plate away from the threaded rod is slidably provided with a limiting rod, and the limiting rod is arranged on one side of the inner wall of the pressing plate.

[0010] Through the above scheme, the angle of the connecting plate during movement can be fixed by sliding the inner wall of one end of the connecting plate on the outer surface of the middle part of the limiting rod, thereby improving the stability of the connecting plate during movement driven by the threaded rod.

[0011] Further, the number of the connecting plates is two, and the top of each of the two connecting plates is provided with a clamping plate, and the inner wall of the end of each of the two connecting plates is in threaded connection with the outer surfaces of the two sides of the middle part of the threaded rod, and the threaded directions of the outer surfaces of the two sides of the middle part of the threaded rod are arranged in opposite directions.

[0012] Through the above scheme, the rotation of the threaded rod can drive the two connecting plates to move in different directions, so that the distance between the two clamping plates can be adjusted, and the two clamping plates can clamp the mounting foot of the sewing machine, thereby fixing the angle and stability of the connection between the presser foot and the sewing machine, so that the presser foot can be kept vertical during installation.

[0013] Further, the outer surface of the middle part of the threaded rod is provided with a transmission ring, the outer surface of the middle part of the transmission ring is in transmission connection with one side of the inner wall of the transmission belt, the transmission belt extends from the inner wall of the mounting rod to the outer side of the mounting rod, and the other side of the inner wall of the transmission belt is in transmission connection with the outer surface of one end of the rotating rod.

[0014] Through the above scheme, the rotation of the rotating rod can drive the threaded rod to rotate through the transmission ring, and the threaded rod can be conveniently driven on the outer side of the mounting rod.

[0015] Further, the mounting rod is provided with a fixing plate on one side, the inner wall of the middle part of the fixing plate is rotatably provided with a rotating rod, the one end of the rotating rod is provided with a rotating cap, and the outer surface of the middle part of the rotating cap is provided with an anti-slip protruding strip.

[0016] Through the above scheme, the position of the rotating rod is fixed, the stability of the rotating rod during rotation is improved, and the rotating rod can be conveniently and labor-savingly rotated through the arrangement of the rotating cap.

[0017] Further, the inner wall of the hoop is provided with a rubber pad.

[0018] Through the above scheme, the setting of the rubber pad can cooperate with the hoop to improve the clamping of the screw cap of the mounting bolt of the presser foot, and the rubber pad can prevent the mounting bolt from rotating due to the vibration of the sewing machine under the condition that the distance between the mounting bolt and the presser foot is fixed.

[0019] Further, one side of the limiting sleeve is provided with a pull rod, one end of the limiting sleeve is arranged at one end of the telescopic inner rod, one end of the telescopic inner rod is inserted into the inner wall of one end of the telescopic outer tube, and the other end of the telescopic outer tube is arranged at one side of the mounting rod through a support plate.

[0020] Through the above scheme, the pull rod on one side of the limiting sleeve can conveniently adjust the position of the limiting sleeve, the telescopic outer tube cooperates with the telescopic inner rod to fix the movement track of the limiting sleeve, and the limiting sleeve can move to conveniently adjust the restriction of the limiting strip extending from one end of the hoop.

[0021] Further, one end of the inner wall of the telescopic outer tube is provided with a spring, and one end of the spring is arranged at one end of the telescopic inner rod.

[0022] Through the above scheme, the spring can apply a thrust force to the telescopic inner rod, so as to avoid the telescopic inner rod from moving randomly and affecting the restriction of the limiting sleeve on the hoop.

[0023] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0024] The sewing machine winding device can adjust the installation angle of the presser foot under the condition that the presser foot is conveniently installed, so that the presser foot can be installed by being attached to the mounting foot of the sewing machine, and the presser foot can stably maintain the vertical effect after installation.

[0025] The sewing machine winding device can clamp and fix the screw cap of the mounting bolt of the presser foot through the hoop and the rubber pad, so as to fix the distance between the presser foot and the sewing machine, thereby improving the stability of the presser foot after installation and avoiding the presser foot from falling off the sewing machine due to vibration. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a three-dimensional structure schematic diagram of the present application;

[0027] Figure 2 is a top view structure schematic diagram of the present application;

[0028] Figure 3 is a right side sectional view structure schematic diagram of the present application;

[0029] Figure 4 It is a schematic diagram of the back side cross-sectional structure of the present application;

[0030] Figure 5 It is a schematic diagram of the front side cross-sectional structure of the present application.

[0031] In the figure:

[0032] 1, pressing plate; 2, edge pressing plate; 3, edge rolling part; 4, mounting rod; 5, threaded rod; 6, connecting plate; 7, clamping plate; 8, limiting rod; 9, transmission ring; 10, transmission belt; 11, rotating rod; 12, rotating cap; 13, fixed plate; 14, clamp; 15, rubber pad; 16, telescopic outer tube; 17, telescopic inner rod; 18, limiting sleeve; 19, spring. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0034] Please refer to Figure 1 , Figure 2 and Figure 3 A sewing machine winding device in the embodiment comprises a pressing plate 1, one side of the inner wall of one end of the pressing plate 1 is provided with an edge pressing plate 2, the other side of the inner wall of one end of the pressing plate 1 is provided with an edge rolling part 3, the top of the pressing plate 1 is provided with a mounting rod 4, one side of the inner wall of the mounting rod 4 is rotationally provided with a threaded rod 5, the outer surface of one side of the middle part of the threaded rod 5 is threadedly connected to the inner wall of one end of a connecting plate 6, and the top of the connecting plate 6 is provided with a clamping plate 7.

[0035] Please refer to Figure 1 , Figure 2 and Figure 5 One side of the mounting rod 4 is hingedly provided with two clamps 14 through a hinged frame, the two clamps 14 are arranged in an upper-lower mirror image, the ends of the two clamps 14 away from the hinged frame are each extended with a limiting strip, and the outer surface of the limiting strip of one end of the clamp 14 is slidably connected to the inner wall of one end of a limiting sleeve 18.

[0036] Please refer to Figure 3 and Figure 4 The inner wall of one end of the connecting plate 6 away from the threaded rod 5 is slidably provided with a limiting rod 8, the limiting rod 8 is arranged on one side of the inner wall of the pressing plate 1, and the angle of the connecting plate 6 during movement can be fixed by sliding the inner wall of one end of the connecting plate 6 on the outer surface of the middle part of the limiting rod 8, thereby improving the stability of the connecting plate 6 during movement driven by the threaded rod 5.

[0037] Please refer to Figure 2 andFigure 4 The number of the connecting plates 6 is two, the two connecting plates 6 are provided with clamping plates 7 on the top, the inner walls of one end of the two connecting plates 6 are respectively in threaded connection with the outer surfaces of the two sides of the middle part of the threaded rod 5, the threaded directions of the outer surfaces of the two sides of the middle part of the threaded rod 5 are oppositely arranged, the rotation of the threaded rod 5 can drive the two connecting plates 6 to move in different directions, the distance between the two clamping plates 7 can be adjusted, the two clamping plates 7 can clamp the mounting foot of the sewing machine, and then the angle and stability of the connection between the presser foot and the sewing machine are fixed, so that the presser foot can be vertically installed.

[0038] Please refer to Figure 2 and Figure 3 The outer surface of the middle part of the threaded rod 5 is provided with a transmission ring 9, the outer surface of the middle part of the transmission ring 9 is in transmission connection with one side of the inner wall of a transmission belt 10, the transmission belt 10 extends from the inner wall of the mounting rod 4 to the outer side of the mounting rod 4, the other side of the inner wall of the transmission belt 10 is in transmission connection with the outer surface of one end of a rotating rod 11, the rotation of the rotating rod 11 can drive the transmission belt 10 to drive the threaded rod 5 to rotate through the transmission ring 9, and the threaded rod 5 can be conveniently driven on the outer side of the mounting rod 4.

[0039] Please refer to Figure 1 , Figure 2 and Figure 5 One side of the mounting rod 4 is provided with a fixed plate 13, the inner wall of the middle part of the fixed plate 13 is rotatably provided with a rotating rod 11, one end of the rotating rod 11 is provided with a rotating cap 12, the outer surface of the middle part of the rotating cap 12 is provided with an anti-skid protruding strip, the position of the rotating rod 11 is fixed, the stability of the rotating rod 11 when rotating is improved, and the rotating rod 11 can be conveniently and labor-savingly rotated through the setting of the rotating cap 12.

[0040] Please refer to Figure 1 and Figure 5 The inner wall of the hoop 14 is provided with a rubber pad 15, the setting of the rubber pad 15 can cooperate with the hoop 14 to improve the clamping of the screw cap of the mounting bolt of the presser foot, and the rubber pad 15 can prevent the mounting bolt from rotating due to the vibration of the sewing machine under the condition that the distance between the mounting bolt and the presser foot is fixed.

[0041] Please refer to Figure 1 , Figure 2 and Figure 5, one side of the limiting sleeve 18 is provided with a pull rod, one end of the limiting sleeve 18 is arranged at one end of the telescopic inner rod 17, one end of the telescopic inner rod 17 is inserted into the inner wall of one end of the telescopic outer tube 16, the other end of the telescopic outer tube 16 is arranged on one side of the mounting rod 4 through the support plate, the setting of the pull rod on one side of the limiting sleeve 18 can conveniently adjust the position of the limiting sleeve 18, the movement track of the limiting sleeve 18 can be fixed through the cooperation of the telescopic outer tube 16 and the telescopic inner rod 17, and the limiting sleeve 18 can move, so that the limiting sleeve 18 can conveniently adjust the limiting of the limiting strip extending out of one end of the hoop 14.

[0042] Please refer to Figure 5 , one end of the inner wall of the telescopic outer tube 16 is provided with a spring 19, one end of the spring 19 is arranged at one end of the telescopic inner rod 17, and the spring 19 can apply a pushing force to the telescopic inner rod 17, so as to avoid the telescopic inner rod 17 from moving randomly and affecting the limitation of the limiting sleeve 18 to the hoop 14.

[0043] The sewing machine winding device in the embodiment can move the clamping plate 7 to clamp the mounting foot of the sewing machine through the rotation of the threaded rod 5, so as to adjust the installation angle of the presser foot under the condition of convenient installation, and make the presser foot fit the mounting foot of the sewing machine for installation, so that the presser foot can stably keep vertical after installation.

[0044] The working principle of the above embodiment is as follows: when installing, pull the pull rod arranged on one side of the limiting sleeve 18 to make the limiting sleeve 18 disengage from the limiting strip at one end of the hoop 14, thereby releasing the restriction on the hoop 14, separating and opening the two hoops 14, moving the one-side inner wall of the mounting rod 4 upward by attaching it to the mounting foot of the sewing machine, sleeving the other-side inner wall of the mounting rod 4 on the mounting bolt on the mounting foot of the sewing machine, rotating the mounting bolt, pressing the side of the mounting rod 4 close to the hoop 14 through the nut of the mounting bolt, installing the presser foot on the sewing machine, rotating the rotating cap 12 to drive the rotating rod 11 to rotate, driving the transmission ring 9 to rotate through the transmission belt 10, driving the threaded rod 5 to rotate, driving the two connecting plates 6 to move when the threaded rod 5 rotates, driving the two clamping plates 7 to move through the two connecting plates 6, reducing the distance between the two clamping plates 7, supporting the mounting foot of the sewing machine through the two clamping plates 7, fixing the installation angle of the mounting rod 4, pulling the pull rod on one side of the limiting sleeve 18 when the installation of the mounting rod 4 is completed, inserting the telescopic inner rod 17 into the telescopic outer tube 16 to press the spring 19, pushing the two hoops 14 to close, clamping and tightly holding the nut of the mounting bolt through the cooperation of the two hoops 14 and the rubber pad 15, releasing the pull of the limiting sleeve 18, releasing the pushing force of the spring 19, pushing the telescopic inner rod 17 to extend out of the telescopic outer tube 16, sleeving the limiting sleeve 18 on the limiting strips extended out of the two hoops 14, and limiting the position of the hoop 14, when the sewing machine is used, rolling the edge of the cloth through the cooperation of the edge rolling part 3 and the edge plate 2, so that the cloth can be rolled and sewn.

[0045] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action without necessarily requiring or implying that there is any such relationship or order between such entities or actions. Also, the terms "comprises", "comprising", or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises... a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the recited element.

[0046] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. Sewing machine take-up device comprising a presser foot (1), characterized in that: The one end inner wall of the pressing plate (1) is provided with a side pressing plate (2), the other side of the one end inner wall of the pressing plate (1) is provided with a curling element (3), the top of the pressing plate (1) is provided with a mounting rod (4), one side of the inner wall of the mounting rod (4) is rotatably provided with a threaded rod (5), one side of the outer surface of the middle part of the threaded rod (5) is threadedly connected to the inner wall of one end of a connecting plate (6), and the top of the connecting plate (6) is provided with a clamping plate (7). The mounting rod (4) is hingedly connected with two hoops (14) through a hinged frame, the two hoops (14) are arranged in an upper and lower mirror image, and the ends of the two hoops (14) away from the hinged frame are provided with limiting strips, and the outer surface of the limiting strip at one end of the hoop (14) is slidably connected with the inner wall of one end of a limiting sleeve (18).

2. A sewing machine take-up device according to claim 1 wherein: The inner wall of one end of the connecting plate (6) away from the threaded rod (5) is slidably provided with a limiting rod (8), and the limiting rod (8) is arranged on one side of the inner wall of the pressing plate (1).

3. A sewing machine take-up device according to claim 1 wherein: The number of the connecting plate (6) is two, the top of each of the two connecting plates (6) is provided with a clamping plate (7), the inner wall of one end of each of the two connecting plates (6) is threadedly connected with the outer surfaces on both sides of the middle part of the threaded rod (5), and the thread directions of the outer surfaces on both sides of the middle part of the threaded rod (5) are oppositely arranged.

4. A sewing machine take-up device according to claim 1 wherein: The outer surface of the middle part of the threaded rod (5) is provided with a transmission ring (9), the outer surface of the middle part of the transmission ring (9) is in transmission connection with one side of the inner wall of a transmission belt (10), the transmission belt (10) extends from the inner wall of the mounting rod (4) to the outer side of the mounting rod (4), and the other side of the inner wall of the transmission belt (10) is in transmission connection with the outer surface of one end of a rotating rod (11).

5. A sewing machine take-up device according to claim 1 wherein: One side of the mounting rod (4) is provided with a fixed plate (13), the middle inner wall of the fixed plate (13) is rotatably provided with a rotating rod (11), one end of the rotating rod (11) is provided with a rotating cap (12), and the middle outer surface of the rotating cap (12) is provided with an anti-skid protruding strip.

6. A sewing machine take-up device according to claim 1 wherein: The inner wall of the hoop (14) is provided with a rubber pad (15).

7. A sewing machine take-up device according to claim 1 wherein: One side of the limiting sleeve (18) is provided with a pull rod, one end of the limiting sleeve (18) is arranged on one end of a telescopic inner rod (17), one end of the telescopic inner rod (17) is inserted into the inner wall of one end of a telescopic outer tube (16), the other end of the telescopic outer tube (16) is arranged on one side of the mounting rod (4) through a supporting plate, one end of the telescopic inner rod (17) is arranged on one end of the telescopic outer tube (16), and the other end of the telescopic outer tube (16) is arranged on one side of the mounting rod (4) through a supporting plate.

8. A sewing machine take-up device according to claim 7 wherein: One end of the inner wall of the telescopic outer tube (16) is provided with a spring (19), and one end of the spring (19) is arranged on one end of the telescopic inner rod (17).

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