Sewing speed regulating device for disabled people and sewing machine

Abstract

The utility model discloses a sewing speed regulating device for the disabled and a sewing machine, and belongs to the technical field of sewing machines. The speed regulator is fixedly mounted below the bedplate; and the pressure-bearing piece is arranged on one side of the platen, the pressure-bearing piece is connected with a rocker arm of the speed regulator through a rod transmission assembly, and the pressure-bearing piece can drive the rocker arm to rotate under the action of external force. Through the transmission effect of the rod transmission assembly, movement of the pressure-bearing piece can be converted into rotation of the rocker arm, then sewing action is achieved, dependence of an existing sewing machine on leg action is avoided, and workers with inconvenient legs and feet can also conduct sewing operation.

Description

Technical Field

[0001] The utility model relates to the technical field of sewing machines, in particular to a sewing speed regulating device and a sewing machine used by disabled people. Background Art

[0002] In the use of sewing machines (especially flat-bed sewing machines), workers need to step on the pedals under the table with their feet to lift the presser foot, cut the thread, and sew, and use their hands to grasp the direction of the fabric and fold the fabric on the sewing machine table to sew the fabric. Among them, the left hand usually stabilizes the direction of the fabric, and the right hand is used for folding, straightening, and other operations.

[0003] In the field of sewing complex fabrics such as clothing, a high degree of automation cannot be achieved and a large amount of manual labor is still required to complete the work, including some disabled workers, especially those with disabled legs or feet or amputated legs and feet. However, due to their leg and foot disabilities, these people cannot use the existing sewing machine foot pedal.

[0004] Therefore, how to solve the technical problem that workers with disabilities cannot use sewing machines and alleviate the employment problem of special groups has become a technical problem that needs to be urgently solved by technical personnel in this field. Utility Model Content

[0005] In view of this, the purpose of the utility model is to provide a sewing speed regulating device for disabled people, so as to solve the technical problem that workers with disabilities cannot use sewing machines.

[0006] The technical solution adopted by the utility model is: a sewing speed regulating device used by disabled people, comprising:

[0007] tabletop;

[0008] A speed regulator, the speed regulator is fixedly installed below the table;

[0009] The pressure-bearing member is arranged on one side of the table, the pressure-bearing member is connected to the rocker arm of the speed regulator through a rod transmission assembly, and the pressure-bearing member can drive the rocker arm to rotate under the action of an external force.

[0010] Preferably, the speed regulator is longitudinally installed below the table, and the pressure-bearing part includes an elbow pressure plate, which is arranged above the table; the rod transmission assembly includes a horizontal connecting rod, a vertical connecting rod, a vertical connecting rod, a rotating shaft, a rotating sliding fork and a sliding shaft, and the rotating shaft is rotatably arranged below the table, the rear end of the vertical connecting rod is fixedly connected to the rotating shaft, the front end of the vertical connecting rod is fixedly connected to the bottom end of the vertical connecting rod, the top end of the vertical connecting rod is fixedly connected to the right end of the horizontal connecting rod, the horizontal connecting rod is arranged above the table, and the left end of the horizontal connecting rod is fixedly connected to the elbow pressure plate; the rotating sliding fork is fixedly connected to the right end of the rotating shaft, the right end of the sliding shaft is fixedly connected to the rocker arm, and the left end of the sliding shaft is slidably connected to the rotating sliding fork.

[0011] Preferably, the top end of the vertical connecting rod is inserted into the vertical connecting hole of the connecting block, and the vertical connecting rod is fixedly connected to the connecting block by a fastening screw, and the right end of the horizontal connecting rod is inserted into the horizontal connecting hole of the connecting block, and the horizontal connecting rod is fixedly connected to the connecting block by a fastening screw.

[0012] Preferably, the pressure-bearing member also includes an elbow bracket, which includes a horizontal portion and a vertical portion that are fixedly connected, wherein the horizontal portion is arranged below the elbow pressure plate and is fixedly connected to the horizontal connecting rod, and the vertical portion is arranged on the rear side of the elbow pressure plate.

[0013] Preferably, waist-shaped holes for installing fixing belts are provided on the vertical portion and the horizontal portion.

[0014] Preferably, the horizontal portion is rotatably connected to a horizontal connecting rod, and the horizontal portion can rotate around an axis of the elbow pressure plate.

[0015] Preferably, the rotating shaft is installed below the table along the transverse direction.

[0016] Preferably, the pressure-bearing member includes a belly pressure plate, the rod transmission assembly includes a connecting push rod, the speed regulator is vertically installed below the table, the belly pressure plate is arranged on the front side of the table, the connecting push rod is arranged below the table, and the front end of the connecting push rod is connected to the belly pressure plate, and the rear end of the connecting push rod is connected to the rocker arm.

[0017] Preferably, an adjustment block is provided under the table plate, the rear end of the connecting push rod is inserted into the horizontal connecting hole of the adjustment block, and the connecting push rod is fixedly connected to the adjustment block by a fastening screw, the adjustment block is fixedly connected to the front end of the longitudinal connecting plate, and the rear end of the longitudinal connecting plate is fixedly connected to the rocker arm.

[0018] Preferably, a buffer pad is installed on the elbow pressure plate or the abdominal pressure plate.

[0019] Preferably, it also includes a thread trimming control button switch and a presser foot lifting control button switch for being installed on the machine head.

[0020] The second purpose of the utility model is to provide a sewing machine, comprising the above-mentioned sewing speed regulating device used by the disabled.

[0021] Beneficial effects of the utility model:

[0022] The utility model installs and fixes the speed regulator below the front end of the table, provides a pressure-bearing piece above or on the front side of the table, and connects the pressure-bearing piece to the rocker arm of the speed regulator through a rod transmission assembly. When the pressure-bearing piece is subjected to an external load, the movement of the pressure-bearing piece can be converted into the rotation of the rocker arm through the transmission action of the rod transmission assembly, thereby realizing the sewing action, getting rid of the existing sewing machine's dependence on leg movements, so that workers with inconvenient legs and feet can also perform sewing operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is one of the structural schematic diagrams of the sewing speed regulating device used by the disabled of the utility model;

[0024] Figure 2 One of the three-dimensional schematic diagrams of the sewing speed regulating device used by the disabled of the utility model after the table is removed;

[0025] Figure 3 Side view of a sewing speed regulating device for a disabled person at rest;

[0026] Figure 4 A side view of a sewing speed regulating device for a disabled person in a sewing state;

[0027] Figure 5 A side view of a sewing speed regulating device for a disabled person in a thread-cutting state;

[0028] Figure 6 The second structural schematic diagram of the sewing speed regulating device used by the disabled of the utility model;

[0029] Figure 7 The second three-dimensional schematic diagram of the sewing speed regulating device for disabled persons of the utility model after the table is removed.

[0030] Description of reference numerals in the figures:

[0031] 100. Tablet;

[0032] 200, speed governor;

[0033] 210, rocker arm; 220, L-shaped mounting sheet metal; 221, limiting slot hole;

[0034] 300, pressure-bearing parts;

[0035] 310, elbow pressure plate; 320, elbow bracket; 321, horizontal part; 322, vertical part; 323, waist-shaped hole; 330, abdominal pressure plate;

[0036] 400, rod transmission assembly;

[0037] 411, horizontal connecting rod; 412, vertical connecting rod; 413, vertical connecting rod; 414, rotating shaft; 415, rotating sliding fork; 416, sliding shaft; 417, connecting block; 418, fastening screw; 419, connecting push rod; 420, adjusting block; 421, longitudinal connecting plate; 422, U-shaped mounting sheet metal;

[0038] 500, thread trimming control button switch;

[0039] 600. Presser foot lift control button switch. DETAILED DESCRIPTION

[0040] The following is a further detailed description of the specific implementations of the present invention in conjunction with the accompanying drawings. These implementations are only used to illustrate the present invention, but not to limit the present invention.

[0041] In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0042] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0043] In addition, in the description of the present invention, unless otherwise specified, “plurality” means two or more.

[0044] Examples, such as Figure 1-Figure 7 As shown, a sewing speed regulating device for disabled persons comprises:

[0045] The table plate 100 is horizontally arranged along the transverse direction.

[0046] The speed regulator 200 is fixedly installed below the platform 100 .

[0047] The pressure-bearing member 300 is disposed on one side of the platform 100 . The pressure-bearing member 300 is connected to the rocker arm 210 of the speed regulator 200 through the rod transmission assembly 400 , and the pressure-bearing member 300 can drive the rocker arm 210 to rotate under the action of an external force.

[0048] In the present application, the speed regulator 200 is installed and fixed under the table 100, a pressure-bearing part 300 is provided on one side of the table 100, and the pressure-bearing part 300 is connected to the rocker arm 210 of the speed regulator 200 through a rod transmission assembly 400. When the pressure-bearing part 300 is subjected to an external load, the movement of the pressure-bearing part 300 can be converted into the rotation of the rocker arm 210 through the transmission action of the rod transmission assembly 400, thereby realizing the sewing action, getting rid of the existing sewing machine's dependence on leg movements, so that workers with mobility impairments can also perform sewing operations, which helps to alleviate the employment problems of special groups of people.

[0049] It should be noted that the horizontal direction and left-right direction in this application refer to Figure 2 The X-axis direction, longitudinal direction and front-back direction refer to Figure 2 The Y-axis direction, up-down direction and vertical direction refer to Figure 2 The Z-axis direction.

[0050] Specific embodiment 1, as Figure 1 and Figure 2 As shown, a U-shaped mounting sheet metal 422 and an L-shaped mounting sheet metal 220 are provided directly below the front end of the table 100. The L-shaped mounting sheet metal 220 is fixedly connected to the right end of the table 100, and the U-shaped mounting sheet metal 422 is arranged on the left side of the L-shaped mounting sheet metal 220, and the U-shaped mounting sheet metal 422 opens downward and is fixedly connected to the table 100.

[0051] Preferably, the L-shaped mounting sheet metal 220 is fixedly connected to the table top 100 via self-tapping screws; and the U-shaped mounting sheet metal 422 is fixedly connected to the table top 100 via self-tapping screws.

[0052] The speed regulator 200 is arranged in the longitudinal direction just below the front end of the table 100, and the speed regulator 200 is fixedly connected to the L-shaped mounting sheet metal 220. It should be noted that the setting direction of the speed regulator 200 is based on the length direction of the rocker arm 210 in the static state. In the prior art, the length direction of the rocker arm 210 of the speed regulator 200 of the pedal-type sewing machine is the left-right direction, that is, the speed regulator 200 is arranged below the table 100 in the transverse direction. In this embodiment, the speed regulator 200 is arranged below the table 100 in the longitudinal direction, that is, the length direction of the rocker arm 210 of the speed regulator 200 is the front-back direction.

[0053] The pressure bearing member 300 includes an elbow pressure plate 310 , and the elbow pressure plate 310 is disposed above the front end of the platform 100 .

[0054] The rod transmission assembly 400 includes a horizontal connecting rod 411, a vertical connecting rod 412, a vertical connecting rod 413, a rotating shaft 414, a rotating sliding fork 415 and a sliding shaft 416, wherein the rotating shaft 414 is arranged directly below the platform 100, and the two ends of the rotating shaft 414 are rotatably connected to the U-shaped mounting sheet metal 422; the rear end of the vertical connecting rod 413 is fixedly connected to the left end of the rotating shaft 414, and the front end of the vertical connecting rod 413 is vertically fixedly connected to the bottom end of the vertical connecting rod 412; preferably, the front end of the vertical connecting rod 413 is fixedly connected to the bottom end of the vertical connecting rod 412; The bottom end of the vertical connecting rod 412 is welded and fixedly connected; the horizontal connecting rod 411 is arranged above the table 100, the left end of the horizontal connecting rod 411 is fixedly connected to the elbow pressure plate 310, and the right end of the horizontal connecting rod 411 is fixedly connected to the top of the vertical connecting rod 412; the connecting end of the rotating sliding fork 415 is fixedly connected to the right end of the rotating shaft 414, the sliding shaft 416 is arranged parallel to the rotating shaft 414, and the right end of the sliding shaft 416 is fixedly connected to the rocker arm 210, and the left end of the sliding shaft 416 is slidingly connected to the rotating sliding fork 415.

[0055] This arrangement is because: when the elbow applies a vertical load to the elbow pressure plate 310, since the horizontal connecting rod 411, the vertical connecting rod 413 and the rotating sliding fork 415 are all located on the front side of the rotating shaft 414, the rotating shaft 414 can drive the rotating sliding fork 415 to rotate downward, and then drive the rocker arm 210 of the speed regulator 200 to rotate downward through the sliding transmission between the rotating sliding fork 415 and the sliding shaft 416, thereby realizing the sewing action of the sewing machine.

[0056] Preferably, an annular groove matching the fork shape of the rotating sliding fork 415 is provided at the left end of the sliding shaft 416, and the right end (threaded end) of the sliding shaft 416 passes through the connecting hole of the rocker arm 210 and is fixed with an M6 hexagonal nut through a spring washer.

[0057] More preferably, the rotation shaft 414 is disposed directly below the platform 100 along the lateral direction, that is, the rotation shaft 414 is disposed along the left-right direction.

[0058] More preferably, a buffer pad is installed on the elbow pressure plate 310.

[0059] In another embodiment, if Figure 2 As shown, a connecting block 417 is provided between the top end of the vertical connecting rod 412 and the horizontal connecting rod 411, and a vertical connecting hole and a horizontal connecting hole are formed on the connecting block 417; the top end of the vertical connecting rod 412 is inserted into the vertical connecting hole of the connecting block 417, and the vertical connecting rod 412 is fixedly connected to the connecting block 417 by a fastening screw 418; the right end of the horizontal connecting rod 411 is inserted into the horizontal connecting hole of the connecting block 417, and the horizontal connecting rod 411 is fixedly connected to the connecting block 417 by a fastening screw 418.

[0060] This arrangement is because: different users have arms of different lengths, and in order to facilitate the user's elbow to apply load to the elbow pressure plate 310, it is necessary to adjust the up-down, left-right, front-back position of the elbow pressure plate 310. In this embodiment, after loosening the fastening screw 418 on the connecting block 417, the up-down position of the elbow pressure plate 310 can be adjusted by axial movement of the vertical connecting rod 412 in the vertical connecting hole; the left-right, front-back position of the elbow pressure plate 310 can be adjusted by axial movement of the horizontal connecting rod 411 in the horizontal connecting hole, in conjunction with the rotation of the connecting block 417 in the circumferential direction of the vertical connecting rod 412.

[0061] In another embodiment, if Figure 2 As shown, the pressure-bearing member 300 also includes an elbow bracket 320, which includes a horizontal portion 321 and a vertical portion 322 that are fixedly connected, the horizontal portion 321 being arranged below the elbow pressure plate 310, and the horizontal portion 321 being fixedly connected to the horizontal connecting rod 411; the vertical portion 322 being arranged on the rear side of the elbow pressure plate 310, and the bottom end of the vertical portion 322 being fixedly connected to the horizontal portion 321.

[0062] This arrangement is because: when the elbow presses the vertical portion 322 backward, the elbow bracket 320 can drive the rotating shaft 414 to rotate upward, and cooperate with the sliding transmission of the rotating sliding fork 415 and the sliding shaft 416 to drive the rocker arm 210 of the speed regulator 200 to rotate upward, thereby realizing the presser foot lifting action and thread cutting action of the sewing machine.

[0063] Preferably, Figure 2 As shown, a long waist-shaped hole 323 for installing a fixing belt is formed at the top end of the vertical portion 322, and a waist-shaped hole 323 for installing a fixing belt is formed at the front end of the horizontal portion 321.

[0064] This arrangement is because: the elbow is fixed to the elbow bracket 320 by the fixing belt, which makes it convenient for the user to press the elbow bracket 320 backward.

[0065] More preferably, the horizontal portion 321 of the elbow bracket 320 is disposed below the left end of the horizontal connecting rod 411, and the horizontal portion 321 is horizontally rotatably connected to the horizontal connecting rod 411, so that the elbow bracket 320 can rotate around the axis of the elbow pressure plate 310, for adjusting the relative position of the vertical portion 322 and the elbow pressure plate 310.

[0066] More preferably, the elbow bracket 320 and the elbow pressure plate 310 are fixedly mounted on the horizontal connecting rod 411 by a hexagonal screw.

[0067] Specific embodiment 2, as Figure 6 and Figure 7 As shown, the pressure bearing member 300 includes a belly pressure plate 330, and the rod transmission assembly 400 includes a connecting push rod 419; an L-shaped mounting sheet metal 220 is fixedly connected below the front end of the table 100, and a limited slot hole 221 is formed on the L-shaped mounting sheet metal 220; the speed regulator 200 is vertically mounted below the table 100, that is, the rocker arm 210 of the speed regulator 200 is arranged in the vertical direction, and the speed regulator 200 is fixedly connected to the L-shaped mounting sheet metal 220. The belly pressure plate 330 is arranged at the front side of the table 100, and the connecting push rod 419 is arranged below the table 100 in the longitudinal direction, that is, the connecting push rod 419 is arranged in the front-to-back direction, and the front end of the connecting push rod 419 is fixedly connected to the belly pressure plate 330, and the rear end of the connecting push rod 419 is connected to the rocker arm 210.

[0068] This arrangement is because: when the user's abdomen applies a load to the abdominal pressure plate 330, the connecting push rod 419 can move axially in the limiting slot 221, thereby driving the rocker arm 210 of the speed regulator 200 to rotate, thereby realizing the sewing action of the sewing machine.

[0069] Preferably, a cushion is installed on the abdominal pressure plate 330 .

[0070] In another embodiment, if Figure 7 As shown, an adjustment block 420 is provided under the table 100, the rear end of the connecting push rod 419 is inserted into the horizontal connection hole of the adjustment block 420, and the connecting push rod 419 is fixedly connected to the adjustment block 420 by a fastening screw 418; one lateral end of the adjustment block 420 is fixedly connected to the front end of the longitudinal connecting plate 421, and the rear end of the longitudinal connecting plate 421 is fixedly connected to the rocker arm 210 by a spring washer and a hexagonal nut.

[0071] This arrangement is because: after loosening the fastening screw 418, the front and rear positions of the abdominal pressure plate 330 can be achieved by axially moving the connecting push rod 419 in the horizontal connecting hole of the adjustment block 420, so as to facilitate the workers to perform sewing operations.

[0072] It should be noted that the connection method of the connecting push rod 419 and the rocker arm 210 can adopt any known transmission connection structure, as long as the longitudinal movement of the connecting push rod 419 can drive the rocker arm 210 to rotate. For example, the limiting slot 221 on the L-shaped mounting sheet metal 220 is a round hole, which is used to radially limit the connecting push rod 419. The swing end (that is, the top end) of the rocker arm 210 is formed with a fork shape. The rear end of the connecting push rod 419 is vertically fixedly connected to one end of the sliding shaft, and the other end of the sliding shaft is slidably connected to the fork of the rocker arm 210.

[0073] In another embodiment, if Figure 6 As shown, the sewing speed control device also includes a thread trimming control button switch 500 and a presser foot lifting control button switch 600, and the thread trimming control button switch 500 and the presser foot lifting control button switch 600 are installed on the machine head so that the thread trimming action and the presser foot lifting action of the sewing machine can be realized by manually pressing the thread trimming control button switch 500 and the presser foot lifting control button switch 600 respectively.

[0074] Specifically, there is a control device next to the needle bar of the sewing machine head. The control device has three switch components, on which an LED lighting source and three control buttons are integrated, which are used for lighting and reverse sewing, inching, and 1 / 2 stitch length functions. By changing the electronic control logic, the inching and 1 / 2 stitch length functions, which are relatively less frequently used by sewing workers, are replaced with thread trimming functions and presser foot lifting functions, so that the thread trimming function of the sewing machine is achieved by pressing the thread trimming control button switch 500, and the presser foot lifting function is achieved by pressing the presser foot lifting control button switch 600.

[0075] Embodiment: a sewing machine comprises the above-mentioned sewing speed regulating device for disabled persons.

[0076] The use process of the sewing speed regulating device of the present application is as follows:

[0077] like Figure 5 As shown, the worker places the elbow of the arm on the elbow pressure plate 310 on the elbow bracket 320, and drives the rocker arm 210 of the speed regulator 200 to rotate downward by pressing the elbow pressure plate 310 with the elbow of the arm, thereby realizing the sewing function of the sewing machine. Figure 6 As shown, during the sewing operation, the elbow of the arm slightly presses the elbow bracket 320 backward to drive the rocker arm 210 of the speed regulator 200 to rotate upward, so as to realize the presser foot lifting action of the sewing machine; after the sewing is finished, the elbow of the arm presses the elbow bracket 320 backward to drive the rocker arm 210 of the speed regulator 200 to rotate upward, so as to realize the thread cutting action of the sewing machine. Figure 4 As shown, when the sewing machine stops working, the rocker arm 210 is in its original position.

[0078] like Figure 7As shown, during use, the sewing function of the sewing machine can be realized by gently pushing the abdomen back to push the abdomen pressure plate 330, and the sewing speed can be adjusted by the different pushing displacements of the abdomen. After the abdomen moves back, the abdomen pressure plate 330 will return to its initial position under the action of the spring and stop sewing; the thread cutting action and presser foot lifting action of the sewing machine can be realized by manually pressing the thread cutting control button switch 500 and the presser foot lifting control button switch 600 respectively.

[0079] Compared with the prior art, this application has at least the following beneficial technical effects:

[0080] Simple structure: No need to modify the parts on the sewing machine, it can be selectively installed on the sewing machine as an accessory according to the user group.

[0081] Good versatility: It is suitable for all lockstitch sewing machines, and can also be used for speed regulator-controlled sewing machines such as overlock sewing machines after a simple modification.

[0082] The target users and functions are clear, and it is specially suitable for workers who are disabled in both legs and feet or have both legs and feet amputated and cannot step on the sewing machine pedal normally.

[0083] The operation is simple and has a low learning cost. It is controlled by the right arm elbow and will not affect the use of both hands during use.

[0084] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principle of the present invention. These improvements and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A sewing speed regulating device for disabled persons, characterized in that: include: platen(100); A speed regulator (200), wherein the speed regulator (200) is fixedly installed below the platform (100); A pressure-bearing member (300), the pressure-bearing member (300) being arranged on one side of the table (100), the pressure-bearing member (300) being connected to a rocker arm (210) of a speed regulator (200) via a rod transmission assembly (400), and the pressure-bearing member (300) being capable of driving the rocker arm (210) to rotate under the action of an external force; Wherein, the pressure-bearing member (300) is an elbow pressure plate (310) disposed above the front end of the platform (100); or The pressure-bearing member (300) is an abdominal pressure plate (330) arranged on the front side of the platform (100).

2. A sewing speed regulating device for disabled persons according to claim 1, characterized in that: The speed regulator (200) is longitudinally mounted below the platform (100); the rod transmission assembly (400) comprises a horizontal connecting rod (411), a vertical connecting rod (412), a vertical connecting rod (413), a rotating shaft (414), a rotating sliding fork (415) and a sliding shaft (416); the rotating shaft (414) is rotatably arranged below the platform (100); the rear end of the vertical connecting rod (413) is fixedly connected to the rotating shaft (414); the front end of the vertical connecting rod (413) is fixedly connected to the vertical connecting rod (412); ), the top end of the vertical connecting rod (412) is fixedly connected to the right end of the horizontal connecting rod (411), the horizontal connecting rod (411) is arranged above the table (100), and the left end of the horizontal connecting rod (411) is fixedly connected to the elbow pressure plate (310); the rotating sliding fork (415) is fixedly connected to the right end of the rotating shaft (414), the right end of the sliding shaft (416) is fixedly connected to the rocker arm (210), and the left end of the sliding shaft (416) is slidably connected to the rotating sliding fork (415).

3. A sewing speed regulating device for disabled persons according to claim 2, characterized in that: The top end of the vertical connecting rod (412) is inserted into the vertical connecting hole of the connecting block (417), and the vertical connecting rod (412) is fixedly connected to the connecting block (417) by a fastening screw (418); the right end of the horizontal connecting rod (411) is inserted into the horizontal connecting hole of the connecting block (417), and the horizontal connecting rod (411) is fixedly connected to the connecting block (417) by a fastening screw (418).

4. The sewing speed regulating device for disabled persons according to claim 2, characterized in that: The pressure-bearing member (300) further comprises an elbow bracket (320), wherein the elbow bracket (320) comprises a horizontal portion (321) and a vertical portion (322) which are fixedly connected, wherein the horizontal portion (321) is arranged below the elbow pressure plate (310) and is fixedly connected to the horizontal connecting rod (411), and the vertical portion (322) is arranged at the rear side of the elbow pressure plate (310).

5. A sewing speed regulating device for disabled persons according to claim 4, characterized in that: The vertical portion (322) and the horizontal portion (321) are provided with waist-shaped holes (323) for installing a fixing belt.

6. The sewing speed regulating device for disabled persons according to claim 4, characterized in that: The horizontal portion (321) is rotatably connected to the horizontal connecting rod (411), and the horizontal portion (321) can rotate around the axis of the elbow pressure plate (310).

7. The sewing speed regulating device for disabled persons according to claim 2, characterized in that: The rotating shaft (414) is installed below the platform (100) along the transverse direction.

8. The sewing speed regulating device for disabled persons according to claim 1, characterized in that: The rod transmission assembly (400) includes a connecting push rod (419), the speed regulator (200) is vertically installed below the platform (100), the connecting push rod (419) is arranged below the platform (100), and the front end of the connecting push rod (419) is connected to the abdominal pressure plate (330), and the rear end of the connecting push rod (419) is connected to the rocker arm (210).

9. The sewing speed regulating device for disabled persons according to claim 8, characterized in that: An adjustment block (420) is provided below the table (100), the rear end of the connecting push rod (419) is inserted into the horizontal connection hole of the adjustment block (420), and the connecting push rod (419) is fixedly connected to the adjustment block (420) via a fastening screw (418), the adjustment block (420) is fixedly connected to the front end of a longitudinal connecting plate (421), and the rear end of the longitudinal connecting plate (421) is fixedly connected to the top end of the rocker arm (210).

10. A sewing speed regulating device for disabled persons according to any one of claims 2 to 9, characterized in that: A buffer pad is installed on the elbow pressure plate (310) or the abdominal pressure plate (330).

11. The sewing speed regulating device for disabled persons according to claim 1, characterized in that: It also includes a thread trimming control button switch (500) and a presser foot lifting control button switch (600) for being installed on the machine head.

12. A sewing machine, characterized in that: The invention comprises a sewing speed regulating device for disabled persons as described in any one of claims 1 to 11.

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