Sewing speed regulation control device special for disabled and sewing machine

Abstract

The utility model discloses a sewing speed regulation control device special for the disabled and a sewing machine in the technical field of sewing machines. The sewing speed regulation control device comprises an adapter plate, and a guide groove hole is formed in the adapter plate; the speed regulator assembly is longitudinally mounted below the adapter plate; the elbow pressing plate is positioned above the adapter plate; the speed control guide rod is arranged in the guide groove hole in a penetrating mode, the top end of the speed control guide rod is fixedly connected with the elbow pressing plate, the bottom end of the speed control guide rod is in transmission connection with a swing arm of the speed regulator assembly, and the elbow pressing plate can drive the swing arm of the speed regulator assembly to swing downwards under the action of external force. According to the utility model, sewing actions are realized through elbow actions of a sewing worker, the dependence of the existing sewing machine on leg actions is avoided, and a worker with inconvenient legs and feet can also perform sewing operation.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewing machine technical field, concretely relates to a sewing speed control device and sewing machine special for disabled people. BACKGROUND

[0002] In the use aspect of sewing machine (especially flat sewing machine), the worker needs to realize the sewing machine's lift presser foot, cut thread and sewing action by treading the pedal under the pedal of the platform with two feet, and at the same time, the worker needs to grasp the cloth's trend and a series of actions such as cloth folding with two hands, wherein, generally, the left hand is used to stabilize the cloth's trend, and the right hand is used to fold cloth, straighten cloth and the like.

[0003] In the field of sewing complex cloth such as clothing, high degree of automation cannot be realized, and a large number of manual work is still needed to be completed, which includes a part of disabled workers, especially workers with double legs and feet disability or double legs and feet amputation, but such groups of people cannot use the existing sewing machine pedal device due to the inconvenience of legs and feet.

[0004] Therefore, how to solve the technical problem that workers with inconvenient legs and feet cannot use the sewing machine and alleviate the employment problem of special groups has become a technical problem to be solved by the technical personnel in the field. SUMMARY

[0005] Therefore, the utility model aims at providing a sewing speed control device special for disabled people to solve the technical problem that workers with inconvenient legs and feet cannot use the sewing machine.

[0006] The utility model adopts the technical scheme as follows: a sewing speed control device special for disabled people, comprising:

[0007] An adapter plate is formed with a guide slot hole;

[0008] A speed regulator assembly is longitudinally installed below the adapter plate;

[0009] An elbow pressing plate is located above the adapter plate;

[0010] A speed control guide rod is arranged in the guide slot hole, the top end of the speed control guide rod is fixedly connected with the elbow pressing plate, the bottom end of the speed control guide rod is drivingly connected with the swing arm of the speed regulator assembly, and the elbow pressing plate can drive the swing arm of the speed regulator assembly to swing downward under the action of external force.

[0011] Preferably, the longitudinal size of the guide slot hole is greater than the radial size of the speed control guide rod, an L-shaped speed control connecting rod is connected between the speed control guide rod and the swing arm, one end of the L-shaped speed control connecting rod is fixedly connected with the bottom end of the speed control guide rod, and the other end of the L-shaped speed control connecting rod is rotatably connected with the swing arm through a transverse rotating shaft.

[0012] Preferably, one end of the L-shaped speed control connecting rod is formed with a sleeve hole, and the bottom end of the speed control guide rod is arranged in the sleeve hole and detachably fixedly connected with the L-shaped speed control connecting rod through a locking screw.

[0013] Preferably, the other end of the L-shaped speed control connecting rod is formed with a through hole, the swing arm is formed with a connecting hole, and one end of the transverse rotating shaft is arranged through the through hole and the connecting hole and threadedly connected with a limiting nut.

[0014] Preferably, the elbow pressing plate is detachably fixedly connected with the top end of the speed control guide rod, and the axial distance between the elbow pressing plate and the speed control guide rod can be adjusted.

[0015] Preferably, the top end of the speed control guide rod is fixedly connected with a connecting disc in a vertical mode, the elbow pressing plate is arranged with a plurality of connecting through holes in an array mode, and a fastening bolt is arranged in part of the connecting through holes, the bottom end of the fastening bolt is axially arranged through the connecting disc and threadedly connected with a fastening nut.

[0016] Preferably, the sewing machine further comprises a thread trimming control button switch and a presser foot lifting control button switch arranged on the machine head.

[0017] The second purpose of the utility model is to provide a sewing machine which comprises the sewing speed control device special for the disabled person, and further comprises a table plate and a machine head.

[0018] The utility model has the advantages of:

[0019] The speed regulator assembly is arranged below the adapter plate in a longitudinal mode, the elbow pressing plate is arranged above the adapter plate, and the elbow pressing plate is drivingly connected with the swing arm of the speed regulator assembly through the speed control guide rod arranged in the guide slot hole of the adapter plate. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a perspective view of the sewing speed control device special for the disabled person of the utility model;

[0021] Figure 2 It is an exploded view of the sewing speed control device special for the disabled person of the utility model;

[0022] Figure 3 Figure 2 is a reference diagram of the sewing speed control device for the disabled person of the utility model in a static state;

[0023] Figure 4 Figure 3 is a reference diagram of the sewing speed control device for the disabled person of the utility model in a fastest feeding state;

[0024] Figure 5 Figure 4 is a three-dimensional schematic view of the sewing machine of the utility model.

[0025] Explanation of reference numerals in the drawing:

[0026] 1, adapter plate; 11, guide slot hole;

[0027] 2, speed regulator assembly; 21, swing arm; 22, connecting hole; 23, self-tapping screw; 24, L-shaped mounting sheet metal;

[0028] 3, elbow pressure plate; 31, connecting through hole; 32, fastening bolt; 33, fastening nut;

[0029] 4, speed control guide rod; 41, connecting disc;

[0030] 5, L-shaped speed control connecting rod; 51, knot sleeve hole; 52, through hole; 53, locking screw;

[0031] 6, horizontal rotating shaft; 61, limit nut;

[0032] 7, machine head; 71, thread cutting control button switch; 72, presser foot lifting control button switch;

[0033] 8, table plate. DETAILED DESCRIPTION

[0034] The specific embodiments of the utility model will be further described in detail below in combination with the drawings. These embodiments are only used to illustrate the utility model, and are not a limitation on the utility model.

[0035] In the description of the utility model, it should be pointed out that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and is not indicative or implied that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicative or implied relative importance.

[0036] In the description of the utility model, it is necessary to explain that, unless otherwise expressly provided and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixed connection, can also be detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0037] In addition, in the description of the utility model, the meaning of "multiple" is two or more, unless otherwise stated.

[0038] Embodiment, as Figures 1-5 Indicated, a sewing speed control device for disabled people, comprising:

[0039] A switching plate 1 is formed with a guide slot hole 11 on the switching plate 1.

[0040] A speed regulator assembly 2 is longitudinally installed below the switching plate 1.

[0041] An elbow plate 3 is located above the switching plate 1 for bearing the elbow pressure of the sewing worker.

[0042] A speed control guide rod 4 is vertically arranged in the guide slot hole 11, the top end of the speed control guide rod 4 is fixedly connected with the elbow plate 3, the bottom end of the speed control guide rod 4 is drivingly connected with the swing arm 21 of the speed regulator assembly 2, and the elbow plate 3 can drive the swing arm 21 of the speed regulator assembly 2 to swing downward under the action of external force.

[0043] The utility model longitudinally installs the speed regulator assembly 2 below the switching plate 1, sets up the elbow plate 3 above the switching plate 1, and drives the swing arm 21 of the speed regulator assembly 2 through the speed control guide rod 4 arranged in the guide slot hole 11 of the switching plate 1, when the elbow plate 3 is subjected to the elbow pressure of the sewing worker, the speed control guide rod 4 can move downward along the vertical direction and drive the swing arm 21 of the speed regulator assembly 2 to swing downward, and then the sewing action is realized through the elbow action of the hand of the sewing worker, which breaks the dependence of the existing sewing machine on the leg action, so that the worker with inconvenient legs and feet can also carry out the sewing work.

[0044] It should be noted that the vertical direction in the utility model refers to the Z-axis direction in the Figure 1 , that is, the up-down direction, the longitudinal direction refers to the Y-axis direction in the Figure 1 , that is, the front-back direction, and the transverse direction refers to the X-axis direction in the Figure 1 , that is, the left-right direction.

[0045] Specific embodiment 1, asFigures 1-5 As shown, a sewing speed control device for disabled persons includes: an adapter plate 1, a speed controller assembly 2, an elbow pressure plate 3, a speed control guide rod 4, and an L-shaped speed control link 5.

[0046] The adapter plate 1 is arranged in a horizontal direction, and a guide slot 11 is formed at the front end of the adapter plate 1. The guide slot 11 penetrates the adapter plate 1 in a vertical direction.

[0047] Preferably, the guide slot 11 is an oval hole, and the length direction of the guide slot 11 is the longitudinal direction, and the width dimension of the guide slot 11 is equal to the radial dimension of the speed control guide rod 4, which is used to limit the speed control guide rod 4 in the lateral direction.

[0048] The speed controller assembly 2 is installed vertically below the adapter plate 1, that is, the speed controller assembly 2 is fixedly installed below the adapter plate 1, and the swing arm 21 of the speed controller assembly 2 is arranged along the longitudinal direction as a whole.

[0049] Specifically, the speed controller assembly 2 is fixedly installed on one side of the vertical section of the L-shaped mounting sheet metal 24. The horizontal section of the L-shaped mounting sheet metal 24 is fixedly connected to the adapter plate 1, and the swing arm 21 of the speed controller assembly 2 extends longitudinally, that is, the length direction of the swing arm 21 is the front-to-back direction.

[0050] like Figure 3 As shown, when the speed controller assembly 2 is in its natural state, the angle between the swing arm 21 and the horizontal direction is A; when the speed controller assembly 2 is in its fastest feeding state, the angle between the swing arm 21 and the horizontal direction is B, where B>A.

[0051] It should be noted that the speed regulator assembly 2 is also called the speed controller assembly, and it is existing technology. The installation direction of the speed regulator assembly 2 is based on the length direction of the rocker arm 21 when it is stationary.

[0052] The elbow pressure plate 3 is positioned horizontally above the adapter plate 1 to bear the elbow pressure of the sewing worker.

[0053] The speed control guide rod 4 is arranged in the vertical direction, and the middle part of the speed control guide rod 4 passes through the guide slot 11. The longitudinal dimension of the guide slot 11 is larger than the radial dimension of the speed control guide rod 4, so that the speed control guide rod 4 can reciprocate in the longitudinal direction in the guide slot 11.

[0054] The top end of the speed control guide rod 4 is fixedly connected to the elbow pressure plate 3, and the bottom end of the speed control guide rod 4 is fixedly connected to one end of the L-shaped speed control link 5. The other end of the L-shaped speed control link 5 is rotatably connected to the rocker arm 21 through the transverse rotating shaft 6, so that when the elbow pressure plate 3 is subjected to the pressure of the sewing worker's elbow, the speed control guide rod 4 can drive the rocker arm 21 of the speed regulator assembly 2 to swing downward, thereby realizing the adjustment of the sewing speed.

[0055] Preferably, the L-shaped speed control link 5 comprises a fixedly connected horizontal segment and a vertical segment, one end of the horizontal segment is formed with a sleeve hole 51, the bottom end of the speed control guide rod 4 is inserted into the sleeve hole 51, and the speed control guide rod 4 can reciprocate in the sleeve hole 51 in the vertical direction; a locking screw 53 is threadedly connected to the horizontal segment, the locking screw 53 can fixedly connect the L-shaped speed control link 5 with the speed control guide rod 4, that is, lock the relative position of the L-shaped speed control link 5 and the speed control guide rod 4, so as to adjust the relative position of the speed control guide rod 4 and the L-shaped speed control link 5, that is, adjust the vertical distance H between the lower end surface of the speed control guide rod 4 and the horizontal segment of the L-shaped speed control link 5, to realize the adjustment of the vertical height of the elbow pressing plate 3 at the top end of the speed control guide rod 4, so as to adapt to different sewing requirements of different sewing workers.

[0056] The rotational connection between the L-shaped speed control link 5 and the swing arm 21 is achieved as follows:

[0057] A through hole 52 is formed at the bottom end of the vertical segment of the L-shaped speed control link 5, the through hole 52 penetrates the L-shaped speed control link 5 in the transverse direction; a connecting hole 22 is formed at the swing end of the swing arm 21, the connecting hole 22 is opposite to the through hole 52, and the transverse rotating shaft 6 comprises an optical shaft segment and a threaded segment fixedly connected in the axial direction, one end of the optical shaft segment is fixedly connected with a limiting nut, and the optical shaft segment is inserted into the connecting hole 22 and the through hole 52, and the threaded segment is threadedly connected with the limiting nut 61, so that when the swing arm 21 swings upward or downward, the L-shaped speed control link 5 and the swing arm 21 can rotate relative to each other.

[0058] In another specific embodiment, as shown in Figure 2 the elbow pressing plate 3 is detachably fixedly connected with the top end of the speed control guide rod 4, and the axial spacing between the elbow pressing plate 3 and the speed control guide rod 4 can be adjusted to realize the adjustment of the horizontal position of the elbow pressing plate 3.

[0059] Specifically, a connecting disc 41 is fixedly connected vertically at the top end of the speed control guide rod 4, and the connecting disc 41 is coaxially arranged with the speed control guide rod 4; the elbow pressing plate 3 is a disc arranged in the horizontal direction, and a plurality of connecting through holes 31 are arranged in an array on the elbow pressing plate 3, and a fastening bolt 32 is installed in part of the connecting through holes 31, the bottom end of the fastening bolt 32 penetrates the connecting disc 41 in the axial direction and is threadedly connected with a fastening nut 33, so that the elbow pressing plate 3 and the connecting disc 41 are detachably fixedly connected, and the axial spacing between the elbow pressing plate 3 and the speed control guide rod 4 can be adjusted by installing the fastening bolt 32 in different connecting through holes 31.

[0060] In other specific embodiments, as shown in Figure 5 the sewing speed control device further comprises a thread trimming control button switch 71 and a presser foot lifting control button switch 72 for installation on the machine head 7.

[0061] Examples, such as Figure 5 As shown, a sewing machine includes the aforementioned sewing speed control device for disabled persons. The sewing machine also includes a table plate 8 and a sewing head 7. The adapter plate 1 is arranged parallel to the bottom of the table plate 8, and the adapter plate 1, the speed controller assembly 2 and the table plate 8 are fixedly connected by self-tapping screws 23. The front side of the adapter plate 1 extends from the bottom of the table plate 8 so that the guide slot 11 on the adapter plate 1 is located on the front side of the table plate 8.

[0062] The elbow pressure plate 3 is located above the platform 8, and the speed control guide rod 4 is located on the front side of the platform 8 and passes through the guide slot 11; the machine head 7 is installed above the platform 8, and the wire cutting control button switch 71 and the presser foot lifting control button switch 72 are installed on the machine head 7 to realize the wire cutting action and the presser foot lifting action.

[0063] Specifically, there is a control device on the side of the needle bar of the sewing machine head. This control device has a three-switch assembly, which integrates an LED lighting source and three control buttons for lighting, reverse sewing, jogging, and 1 / 2 stitch length functions. By changing the electronic control logic, the jogging and 1 / 2 stitch length functions, which are used relatively less frequently by sewing workers, are replaced with thread cutting and presser foot lifting functions. The thread cutting function of the sewing machine is realized by pressing the thread cutting control button switch 71, and the presser foot lifting function is realized by pressing the presser foot lifting control button switch 72.

[0064] The operation of this sewing speed control device is as follows:

[0065] The appropriate position can be freely selected according to the arm length of different workers. The adapter plate 1 of the sewing speed control device is installed under the table plate 8. When the sewing speed control device is fixed and the sewing worker is changed, the fastening bolt 32 on the elbow pressure plate 3 can be loosened and the axial distance between the elbow pressure plate 3 and the speed control guide rod 4 can be adjusted. Alternatively, the locking screw 53 on the L-shaped speed control rod 5 can be loosened and the speed control guide rod 4 can be rotated 360° to adjust the relative position of the elbow pressure plate 3 and the speed controller assembly 2, so as to adapt to the different arm operation range requirements of different operators, realize the non-customization of the installation position, and increase the practicality of the sewing speed control device.

[0066] By loosening the locking screw 53 on the L-shaped speed control link 5, the relative position of the speed control guide rod 4 and the L-shaped speed control link 5 can be adjusted, that is, the height H of the lower end face of the speed control guide rod 4 and the L-shaped speed control link 5 can be adjusted to suit the operating needs of workers of different heights; the force required to start the feeding action can be changed in the electronic control by adjusting the sensitivity parameter of the speed controller component 2.

[0067] In actual use, the sewing worker places the elbow of the arm on the elbow pressing plate 3, realizes the sewing function of the sewing machine through the downward pressing of the elbow of the arm of the worker, the speed regulator assembly 2 has a certain pre-tightening tension, the arm of the worker can be placed on the elbow pressing plate 3 without triggering the material feeding action, and the arm reduction effect of the worker is realized.

[0068] During the sewing process, the arm can move normally within the range of the elbow pressing plate 3, so as to ensure the sewing effect, the presser foot lifting control button switch 72 is pressed, the halfway presser foot lifting action of the sewing machine is realized, after the sewing is completed, the thread cutting control button switch 71 is pressed, and the thread cutting action of the sewing machine is realized.

[0069] Compared with the prior art, the sewing speed control device has at least the following beneficial technical effects:

[0070] The sewing speed control device is installed below the table plate, the worker can control the cloth feeding, presser foot lifting and thread cutting actions of the sewing machine by using the right hand, and the normal cloth feeding action of the hands is not affected, so that the constraint of the inconvenience of the feet is eliminated, and the worker does not feel uncomfortable and inconvenient during use.

[0071] The sewing speed control device of the utility model does not need to change the parts on the sewing machine, as a spare part experiment, not only can be selectively installed at the bottom of the table plate according to the user group, but also is suitable for all speed regulator controlled sewing machines, has the advantages of simple structure and good universality.

[0072] The sewing speed control device of the utility model is controlled by the elbow of the right arm, the elbow pressing plate can provide the operation space required by the normal feeding of the arm of the worker, and will not limit the operation range of the right hand during use like other disabled person speed regulator control devices, affect the sewing effect and the convenience degree of use or cause abdominal pain due to long-term pressing, has the advantages of simple operation mode and low learning cost.

[0073] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for ordinary skilled persons in the technical field, without departing from the technical principles of the utility model, a number of improvements and replacements can be made, and these improvements and replacements should be regarded as the protection range of the utility model.

Claims

1. A sewing speed control device specifically for disabled persons, characterized in that, It includes: The adapter plate (1) is formed with a guide slot hole (11); The speed regulator assembly (2) is longitudinally installed below the adapter plate (1); The elbow pressure plate (3) is located above the adapter plate (1); The speed control guide rod (4) is provided in the guide slot hole (11), the top end of the speed control guide rod (4) is fixedly connected with the elbow pressure plate (3), the bottom end of the speed control guide rod (4) is drivingly connected with the swing arm (21) of the speed regulator assembly (2), and the elbow pressure plate (3) can drive the swing arm (21) of the speed regulator assembly (2) to swing downward under the action of external force.

2. The sewing speed control device for the disabled according to claim 1, wherein The longitudinal size of the guide slot hole (11) is greater than the radial size of the speed control guide rod (4), the L-shaped speed control connecting rod (5) is connected between the speed control guide rod (4) and the swing arm (21), one end of the L-shaped speed control connecting rod (5) is fixedly connected with the bottom end of the speed control guide rod (4), and the other end of the L-shaped speed control connecting rod (5) is rotatably connected with the swing arm (21) through the transverse rotating shaft (6).

3. The sewing speed control device for the disabled according to claim 2, wherein One end of the L-shaped speed control connecting rod (5) is formed with a lashing hole (51), the bottom end of the speed control guide rod (4) is provided in the lashing hole (51) and is detachably fixedly connected with the L-shaped speed control connecting rod (5) through the locking screw (53).

4. The sewing speed control device for the disabled according to claim 2, wherein The other end of the L-shaped speed control connecting rod (5) is formed with a through hole (52), the swing arm (21) is formed with a connecting hole (22), and one end of the transverse rotating shaft (6) is threadedly connected with the limiting nut (61) after penetrating through the through hole (52) and the connecting hole (22).

5. The sewing speed control device for the disabled according to claim 1, wherein The elbow pressure plate (3) is detachably fixedly connected with the top end of the speed control guide rod (4), and the axial distance between the elbow pressure plate (3) and the speed control guide rod (4) can be adjusted.

6. The sewing speed control device for the disabled according to claim 5, wherein The top end of the speed control guide rod (4) is fixedly connected with a connecting disc (41), a plurality of connecting through holes (31) are arranged on the elbow pressure plate (3), and fastening bolts (32) are arranged in part of the connecting through holes (31).

7. The sewing speed control device for the disabled according to claim 1, wherein It also includes a thread trimming control button switch (71) and a presser foot lifting control button switch (72) for being installed on a machine head (7).

8. A sewing machine characterized by comprising: The sewing machine further comprises a table plate (8) and a machine head (7), the adapter plate (1) is located below the table plate (8) and is fixedly connected with the table plate (8), the elbow pressure plate (3) is located above the table plate (8), the speed control guide rod (4) is located on the front side of the table plate (8), the machine head (7) is installed above the table plate (8), and the machine head (7) is provided with the thread trimming control button switch (71) and the presser foot lifting control button switch (72).

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