Integrated pedal of sewing machine and sewing machine

Abstract

The utility model provides an integrated pedal of a sewing machine and the sewing machine, and belongs to the technical field of sewing equipment. The integrated pedal comprises a pedal bottom box and a pedal cover, the pedal cover is connected to the pedal bottom box in a swinging mode, the pedal bottom box and the pedal cover form a box body, a magnet and a circuit board which generates voltage changes along with swinging of the pedal cover are arranged in the box body, and a first flanging extending downwards is arranged on the peripheral edge of the pedal cover. A second turnup extending upwards is arranged on the peripheral edge of the pedal bottom box and located in the first turnup. According to the integrated pedal, the installation convenience of the Hall element can be well improved, the pedal cover and the pedal bottom box form a box body, the magnet, the circuit board and other parts are integrally wrapped in the box body, the parts are well hidden, the integrated pedal is more attractive, and the parts in the box body are well protected.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sewing equipment technical field relates to a sewing machine integral type pedal and sewing machine. BACKGROUND

[0002] In prior art, the speed regulator pedal structure used on the sewing machine, the speed regulator is installed on the table plate, the pedal and the speed regulator are connected through the pull rod. When the pedal is stepped, the force is transmitted to the speed regulator through the pull rod, so that the machine sewing, cutting thread and lifting the presser foot and other functions are realized. This pedal has problems of laborious, large space occupation and inaccuracy when used.

[0003] To solve the above technical problems, the patent document with the application number 201010195044.6 discloses a sewing machine integral type pedal speed regulating device, which comprises a pedal, a position detection device connected with a servo driver, the pedal is connected to the lower cross beam frame of the sewing machine through a connecting device, and the position detection device comprises a magnetic steel on the pedal and a hall sensor on the lower cross beam frame for sensing the movement of the magnetic steel.

[0004] The force transmission mechanism of the above-mentioned pedal speed regulating device is the pedal, which replaces the force transmission mechanism composed of the upper pedal, the lower pedal and the ball joint chain rod, and can more conveniently regulate the speed.

[0005] In prior art, the pedal structure has the following deficiencies: the hall sensor is installed on the lower cross beam frame, which has certain difficulty in installation and requires higher operation personnel. SUMMARY

[0006] The utility model provides a sewing machine integral type pedal in view of the above problems existing in prior art, and the technical problem to be solved by the utility model is: how to improve the convenience of installation.

[0007] The purpose of the utility model can be realized through the following technical schemes:

[0008] A sewing machine integral type pedal, the pedal comprises a pedal bottom box and a pedal cover, the pedal cover is swingably connected to the pedal bottom box, the pedal bottom box and the pedal cover form a box body, characterized in that a magnet and a circuit board generating voltage change with the swing of the pedal cover are arranged in the box body, the pedal cover is provided with a downwardly extending flange one around the periphery, the pedal bottom box is provided with an upwardly extending flange two around the periphery, and the flange two is located in the flange one.

[0009] The working principle is that the magnet and the circuit board form a Hall element, when the pedal cover is stepped forward or backward, the pedal cover swings relative to the pedal bottom box, the relative position of the magnet and the circuit board changes in the process of swinging of the pedal cover, the voltage on the circuit board changes, the servo driver makes the servo motor output corresponding speed according to the changed voltage value, and the speed of the motor is directly adjusted according to the angle change of the pedal cover. Compared with the traditional pedal, the integrated pedal is more accurate and saves space, and is more convenient to use.

[0010] In the integrated pedal, the magnet and the circuit board forming the Hall element are installed in the box body composed of the pedal bottom box and the pedal cover, the Hall element can be installed first, and then the whole pedal is installed on the rack of the sewing machine, which improves the installation convenience.

[0011] In addition, the flange two of the pedal bottom box extends into the flange one of the pedal cover, the pedal cover and the pedal bottom box form a box body, and the magnet and the circuit board and other parts are integrally covered in the box body, which hides the parts well, is more beautiful, and can block dust and other foreign matters from entering the box body, thereby protecting the parts in the box body well.

[0012] In the integrated pedal of the sewing machine, the magnet is arranged on the pedal cover, the circuit board is arranged on the pedal bottom box, or the circuit board is arranged on the pedal cover, and the magnet is arranged on the pedal bottom box.

[0013] When the pedal cover is stepped forward or backward, the pedal cover swings relative to the pedal bottom box, the voltage on the circuit board changes in the process of swinging of the magnet with the pedal cover, the servo driver makes the servo motor output corresponding speed according to the changed voltage value, and the speed of the motor is directly adjusted according to the angle change of the pedal cover.

[0014] As another embodiment, the circuit board can also be arranged on the pedal cover, and the magnet is arranged on the pedal bottom box.

[0015] In the integrated pedal of the sewing machine, the magnet is arranged on the pedal cover, the circuit board is arranged on the pedal bottom box, or the circuit board is arranged on the pedal cover, and the magnet is arranged on the pedal bottom box.

[0016] In the integrated pedal of the sewing machine, the pedal further includes a support, and the pedal bottom box is installed on the support.

[0017] In the integrated pedal of the sewing machine, an elastic member is installed between the pedal cover and the pedal bottom box, one end of the elastic member is fixed in the pedal bottom box, and the other end of the elastic member abuts against the pedal cover.

[0018] The pedal cover and the pedal bottom box are limited by the elastic member, the initial angle between the pedal cover and the pedal bottom box is constant, the forward pedal of the pedal cover is sewing, the maximum change angle is β, the angle between the pedal cover and the pedal bottom box is γ (γ = α - β) at this time, the backward pedal of the pedal cover is cutting thread and lifting the presser foot, the maximum change angle is β', the angle between the pedal cover and the pedal bottom box is γ' (γ' = α + β') at this time. As an embodiment, the elastic member is a spring.

[0019] In the above-mentioned integrated pedal of the sewing machine, the crosspiece is provided, the support includes a base, the base has two upward extending connecting pieces in the left-right direction, the base is installed on the crosspiece, and the flange two of the pedal bottom box is fixed on the connecting pieces.

[0020] In the above-mentioned integrated pedal of the sewing machine, the connecting pieces are provided with two or more mounting holes one, the flange two of the pedal bottom box is provided with two or more mounting holes two, and the mounting holes one and one mounting hole two are installed with a limiting screw.

[0021] The limiting screw is arranged in one mounting hole one and one mounting hole two, the support and the pedal bottom box are fixed by the limiting screw, the mounting hole one and the mounting hole two have multiple combinations, the angle between the pedal bottom box and the crosspiece or the ground can be adjusted by matching different mounting hole one and mounting hole two, so as to realize the adjustment of the angle between the two.

[0022] In the above-mentioned integrated pedal of the sewing machine, the connecting pieces are provided with connecting shafts, one end and the other end of the connecting shafts respectively extend from one side and the other side of the pedal bottom box, and the pedal cover is hinged with the ends of the connecting shafts.

[0023] In the above-mentioned integrated pedal of the sewing machine, the flange two of the pedal bottom box has two grooves, the connecting pieces are respectively located in the corresponding grooves, and the grooves are clamped with the blocking pieces.

[0024] The grooves on the flange two are clamped with the blocking pieces, the blocking pieces are detachably installed on the bottom box in the form of buckling, the limiting screw connecting the flange two and the connecting piece is hidden, and the whole pedal looks more beautiful.

[0025] In the above-mentioned integrated pedal of the sewing machine, the base has two downward extending flanges three in the front-back direction, the crosspiece is located between the flanges three, the crosspiece has two downward extending flanges four in the front-back direction, a plurality of connecting holes for the screw to pass through are arranged on the flanges four, the connecting holes are distributed along the length direction of the crosspiece, and the flanges three and the flanges four are fixed by the screw.

[0026] The flange three and the flange four are fixed by screws, so that the support and the crosspiece are fixed, the screws can be installed in different connecting holes, so as to adjust the relative position of the support and the crosspiece.

[0027] In the integral pedal of the sewing machine, the base has two downward extending flange threes in the front-rear direction, the crosspiece is located between the flanges threes, the crosspiece has two downward extending flange fours in the front-rear direction, the flange fours are provided with a plurality of sliding grooves for the screws to pass through, the sliding grooves extend along the length direction of the crosspiece, and the flange threes and the flange fours are fixed by the screws.

[0028] The flange three and the flange four are fixed by screws, so that the support and the crosspiece are fixed, the screws can be installed in different connecting holes, so as to adjust the relative position of the support and the crosspiece.

[0029] In the integral pedal of the sewing machine, the base has two downward extending flange threes in the front-rear direction, the crosspiece is located between the flanges threes, the crosspiece has two downward extending flange fours in the front-rear direction, the crosspiece is provided with a plurality of sliding grooves for the screws to pass through on the top, the sliding grooves extend along the length direction of the crosspiece, and the base and the top of the crosspiece are fixed by the screws.

[0030] The base and the top of the crosspiece are fixed by the screws, so that the support and the crosspiece are fixed, the screws can be installed in different sliding grooves or different positions of the sliding grooves, so as to adjust the relative position of the support and the crosspiece.

[0031] In the integral pedal of the sewing machine, the base has two downward extending flange threes in the front-rear direction, the crosspiece is located between the flanges threes, the crosspiece has flange four and flange five in the front-rear direction, the flange five has a concave accommodation slot, the flange three is screw-connected with a screw, and the inner end of the screw abuts against the inner wall of the accommodation slot.

[0032] The flange three and the flange five are fixed by the screw, so that the support and the crosspiece are fixed, and the screw can be installed at different positions of the accommodation slot, so as to adjust the relative position of the support and the crosspiece.

[0033] In the integral pedal of the sewing machine, the pedal cover is provided with an adjusting rod, the pedal bottom box is provided with a circuit board and a mounting frame, the mounting frame is slidably connected with a magnet, the magnet is oppositely arranged with the circuit board, the bottom of the magnet is provided with an elastic piece, and the lower end of the adjusting rod abuts against the top of the magnet.

[0034] The utility model also provides a sewing machine, and the sewing machine comprises the pedal of any one of the sewing machines.

[0035] Compared with the prior art, the utility model has the advantages as follows:

[0036] 1. In the integral pedal, the magnet and the circuit board of the Hall element are installed in the box body of the pedal bottom box and the pedal cover, the Hall element can be installed first, and then the whole pedal is installed on the rack of the sewing machine, and the installation convenience is improved.

[0037] 2. The flange two of the pedal bottom box is inserted into the flange one of the pedal cover, the pedal cover and the pedal bottom box form a box body, the magnet and the circuit board and other parts are integrally covered in the box body, the parts are hidden, the appearance is more beautiful, and the parts in the box body are well protected. BRIEF DESCRIPTION OF DRAWINGS

[0038] Figure 1 is the structural schematic diagram of the integral pedal in example one;

[0039] Figure 2 is the structural schematic diagram of the pedal cover;

[0040] Figure 3 is the schematic diagram of the pedal bottom box installed on the support;

[0041] Figure 4 is the structural schematic diagram of the support;

[0042] Figure 5 is the structural schematic diagram of the pedal bottom box;

[0043] Figure 6 is the structural schematic diagram of the integral pedal in example two;

[0044] Figure 7 is the structural schematic diagram of the integral pedal in example three;

[0045] Figure 8 is the structural schematic diagram of the support connected with the crosspiece in example four;

[0046] Figure 9 is the structural schematic diagram of the pedal cover in example five;

[0047] Figure 10 is the structural schematic diagram of the adjusting rod connected with the magnet.

[0048] In the drawing: 1 support, 2 pedal bottom box, 3 pedal cover, 4 magnet, 5 circuit board, 6 flange one, 7 flange two, 8 crosspiece, 9 base, 10 connecting piece, 11 mounting hole one, 12 mounting hole two, 13 connecting shaft, 14 groove, 15 baffle, 16 flange three, 17 flange four, 18 screw, 19 connecting hole, 20 sliding groove, 21 flange five, 22 allowance slot, 23 elastic piece, 24 adjusting rod, 25 mounting frame. DETAILED DESCRIPTION

[0049] The utility model discloses the specific embodiment as follows, and the technical scheme of the utility model is further described with the drawings, but the utility model is not limited to these embodiments.

[0050] Embodiment one

[0051] As Figures 1-3 The utility model discloses a pedal, including pedal bottom box 2 and pedal cover 3, pedal cover 3 can swing and connect on pedal bottom box 2, be provided with magnet 4 on pedal cover 3, be provided with circuit board 5 on pedal bottom box 2, the periphery of pedal cover 3 has the flanging one 6 that extends downward, the periphery of pedal bottom box 2 has the flanging two 7 that extends upward, and the flanging two 7 is located in flanging one 6. Preferably, the utility model discloses a pedal still includes support 1, and pedal bottom box 2 is installed on support 1.

[0052] As another embodiment, circuit board 5 can also be provided on pedal cover 3, and magnet 4 is provided on pedal bottom box 2.

[0053] Magnet 4 and circuit board 5 constitute hall element, when pedal cover 3 is treaded forward or backward, pedal cover 3 swings relative to pedal bottom box 2, and the voltage on circuit board 5 changes in the process that magnet 4 swings with pedal cover 3, and servo driver makes servo motor output corresponding rotational speed according to the voltage value of the change, and the rotational speed of motor is adjusted directly according to the angle change of pedal cover 3.

[0054] Preferably, when magnet 4 is directly opposite circuit board 5, it is initial position, when pedal cover 3 is directly rotated or reversely rotated, circuit board 5 is corresponding to the positive pole or negative pole of magnet 4, and circuit board 5 correspondingly outputs positive voltage value or negative voltage value.

[0055] In the integrated pedal, magnet 4 and circuit board 5 constituting hall element are installed in the box body formed by pedal bottom box 2 and pedal cover 3, the hall element can be installed first, and then the whole pedal is installed on the rack of sewing machine, so that the installation convenience is improved.

[0056] The flanging two 7 of pedal bottom box 2 extends into the flanging one 6 of pedal cover 3, pedal cover 3 and pedal bottom box 2 form a box body, and magnet 4 and circuit board 5 and other parts are integrally covered in the box body, so that the parts are hidden, the appearance is more beautiful, and dust and other foreign matters are prevented from entering the box body, so that the parts in the box body are protected.

[0057] As Figure 3 In the embodiment, elastic member 23 is installed between pedal cover 3 and pedal bottom box 2, one end of elastic member 23 is fixed in pedal bottom box 2, and the other end of elastic member 23 abuts against pedal cover 3.

[0058] The pedal cover 3 is limited by the elastic member 23 with the pedal bottom box 2, the initial angle between the pedal cover 3 and the pedal bottom box 2 is α, the forward pedal is sewing, the maximum change angle is β, the angle between the pedal cover 3 and the pedal bottom box 2 is γ (γ = α-β) at this time, the backward pedal is cutting thread and lifting the presser foot, the maximum change angle is β', the angle between the pedal cover 3 and the pedal bottom box 2 is γ' (γ' = α+β') at this time. As an embodiment, the elastic member 23 is a spring.

[0059] As shown in Figure 1 and 4 , in the embodiment, the sewing machine comprises a crosspiece 8, the support 1 comprises a base 9, the base 9 has two upward extending connecting pieces 10 in the left-right direction, the base 9 is installed on the crosspiece 8, and the flange two 7 of the pedal bottom box 2 is fixed on the connecting pieces 10.

[0060] As shown in Figure 4 and 5 , in the embodiment, the connecting piece 10 is provided with two or more mounting holes one 11, the flange two 7 of the pedal bottom box 2 is provided with two or more mounting holes two 12, and a limiting screw (not shown) is installed in the mounting hole one 11 and the mounting hole two 12.

[0061] The limiting screw is arranged in the mounting hole one 11 and the mounting hole two 12, the support 1 and the pedal bottom box 2 are fixed by the limiting screw, the mounting hole one 11 and the mounting hole two 12 have multiple combinations, and the angle between the pedal bottom box 2 and the crosspiece 8 or the ground can be adjusted by matching different mounting hole one 11 and mounting hole two 12, so as to realize the adjustment of the angle between them.

[0062] As shown in Figure 1 and 3 , in the embodiment, the connecting piece 10 is provided with a connecting shaft 13, one end and the other end of the connecting shaft 13 respectively extend from one side and the other side of the pedal bottom box 2, and the pedal cover 3 is hinged with the end of the connecting shaft 13.

[0063] As shown in Figure 3 and 5 , in the embodiment, the flange two 7 of the pedal bottom box 2 has two grooves 14, the connecting pieces 10 are respectively located in a corresponding groove 14, and the flange two 7 is provided with a flange one 6.

[0064] The groove 14 on the flange two 7 is clamped with the flange 15, the flange 15 is detachably installed on the bottom box in the form of buckle, the limiting screw connecting the flange two 7 and the connecting piece 10 is hidden, and the whole pedal looks more beautiful.

[0065] As shown in Figure 1 and 4As shown, in this embodiment, the base 9 has two downwardly extending flanges 16 in the front-back direction, the crossbar 8 is located between the flanges 16, and the crossbar 8 has two downwardly extending flanges 17 in the front-back direction. The flanges 17 are provided with several connecting holes 19 for screws 18 to pass through. The connecting holes 19 are distributed along the length of the crossbar 8. The flanges 16 and flanges 17 are fixed together by screws 18.

[0066] Flanged edge 3 16 and flanged edge 4 17 are fixed together by screws 18, thereby fixing bracket 1 to crossbar 8. Screws 18 can be installed in different connecting holes 19 to adjust the relative position of bracket 1 and crossbar 8.

[0067] Example 2

[0068] This embodiment is basically the same in structure and principle as Embodiment 1, the difference being that, Figure 6 As shown, the base 9 has two downwardly extending flanges 16 in the front-back direction, and the crossbar 8 is located between the flanges 16. The crossbar 8 has two downwardly extending flanges 17 in the front-back direction. The flanges 17 have several grooves 20 for screws 18 to pass through. The grooves 20 extend along the length of the crossbar 8. The flanges 16 and flanges 17 are fixed together by screws 18.

[0069] Flanged edge 3 16 and flanged edge 4 17 are fixed together by screws 18, thereby fixing bracket 1 to crossbar 8. Screws 18 can be installed in different slides 20 or at different positions of slides 20 to adjust the relative position of bracket 1 and crossbar 8.

[0070] Example 3

[0071] This embodiment is basically the same in structure and principle as Embodiment 1, the difference being that, Figure 7 As shown, the base 9 has two downwardly extending flanges 16 in the front-back direction, the crossbar 8 is located between the flanges 16, the crossbar 8 has two downwardly extending flanges 17 in the front-back direction, the top of the crossbar 8 is provided with several grooves 20 for screws 18 to pass through, the grooves 20 extend along the length of the crossbar 8, and the top of the base 9 and the crossbar 8 are fixed together by screws 18.

[0072] The tops of the base 9 and the crossbar 8 are fixed together by screws 18, thereby fixing the bracket 1 to the crossbar 8. The screws 18 can be installed in different slides 20 or at different positions of the slides 20 to adjust the relative position of the bracket 1 and the crossbar 8.

[0073] Example 4

[0074] This embodiment is basically the same in structure and principle as Embodiment 1, the difference being that, Figure 8As shown in the drawings, the base 9 has two downwardly extending flanges 16 in the front-rear direction, the crosspiece 8 is located between the flanges 16, the crosspiece 8 has a flange 17 and a flange 21 in the front-rear direction, the flange 21 has an inwardly recessed accommodation groove 22, and the flanges 16 are threadedly connected with screws 18, the inner ends of the screws 18 abut against the inner wall of the accommodation groove 22.

[0075] The flanges 16 and the flange 21 are fixed by the screws 18, so that the bracket 1 is fixed with the crosspiece 8, and the screws 18 can be installed at different positions of the accommodation groove 22 to adjust the relative position of the bracket 1 and the crosspiece 8.

[0076] Embodiment five

[0077] The embodiment is basically the same as the structure and principle of the embodiment one, and the difference lies in that, as shown in the drawings, Figure 9 and 10 The pedal cover 3 is provided with an adjusting rod 24, the pedal bottom box 2 is provided with a circuit board 5 and a mounting frame 25, the mounting frame 25 is slidably connected with a magnet 4, the magnet 4 is oppositely arranged with the circuit board 5, the bottom of the magnet 4 is provided with an elastic member, and the lower end of the adjusting rod 24 abuts against the top of the magnet 4.

[0078] The elastic member is arranged between the bottom of the magnet 4 and the bottom wall of the pedal bottom box 2, under the action of the elastic member and the adjusting rod 24, the magnet 4 is in a balanced position and directly opposite to the circuit board 5, when the pedal cover 3 swings and changes the angle, the magnet 4 moves up and down (specifically, when the pedal cover 3 is stepped on, the adjusting rod 24 pushes the magnet 4 to move downward, and when the pedal cover 3 is stepped off, the elastic member pushes the magnet 4 to move upward), so as to change the direct opposite area of the magnet 4 and the circuit board 5, and the voltage on the circuit board 5 changes in the process, so as to realize the speed regulation of the motor.

[0079] The adjusting rod 24 can be out of the top of the pedal cover 3 or not.

[0080] The utility model also provides a sewing machine, the sewing machine includes any kind of sewing machine pedal above.

[0081] The specific embodiments described in the present application are only illustrative of the spirit of the utility model. Those skilled in the art to which the utility model belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.

Claims

1. An integrated pedal for a sewing machine, said pedal comprising a pedal base box (2) and a pedal cover (3), said pedal cover (3) being swingably connected to the pedal base box (2), said pedal base box (2) and pedal cover (3) forming a box, characterized in that, The box is provided with a magnet (4) and a circuit board (5) which generates voltage change when the pedal cover (3) swings, the pedal cover (3) has a downward extending flange one (6) on the periphery, the pedal bottom box (2) has an upward extending flange two (7) on the periphery, and the flange two (7) is located in the flange one (6).

2. An integrated foot pedal for a sewing machine as defined in claim 1, wherein, The pedal cover (3) is provided with a magnet (4), the pedal bottom box (2) is provided with a circuit board (5), or the pedal cover (3) is provided with a circuit board (5), and the pedal bottom box (2) is provided with a magnet (4).

3. An integrated foot pedal for a sewing machine as defined in claim 2, wherein, The magnet (4) is opposite to the circuit board (5) as the initial position, when the pedal cover (3) is forward or reverse rotation, the circuit board (5) is opposite to the positive or negative pole of the magnet (4), and the circuit board (5) outputs positive or negative voltage value.

4. The one-piece foot for a sewing machine of claim 1, wherein, The pedal further comprises a support (1), and the pedal bottom box (2) is installed on the support (1).

5. An integrated foot pedal for a sewing machine as defined in claim 4, wherein, The sewing machine comprises a crosspiece (8), the support (1) comprises a base (9), the base (9) has two upward extending connecting pieces (10) in the left-right direction, the base (9) is installed on the crosspiece (8), and the flange two (7) of the pedal bottom box (2) is fixed on the connecting pieces (10).

6. An integrated foot pedal for a sewing machine as defined in claim 5, wherein, The connecting pieces (10) are provided with two or more mounting holes one (11), the flange two (7) of the pedal bottom box (2) is provided with two or more mounting holes two (12), and a limiting screw is installed in the mounting hole one (11) and one mounting hole two (12).

7. An integrated foot pedal for a sewing machine as defined in claim 5, wherein, The connecting pieces (10) are provided with a connecting shaft (13), one end and the other end of the connecting shaft (13) respectively extend from one side and the other side of the pedal bottom box (2), and the pedal cover (3) is hinged with the ends of the connecting shaft (13).

8. An integrated foot pedal for a sewing machine as claimed in claim 5 or 6 or 7, wherein, The flange two (7) of the pedal bottom box (2) has two grooves (14), the connecting pieces (10) are located in the corresponding grooves (14) respectively, and the grooves (14) are clamped with the blocking pieces (15).

9. The one-piece foot for a sewing machine of claim 5, wherein, The base (9) has two downward extending flanges three (16) in the front-back direction, the crosspiece (8) is located between the flanges three (16), the crosspiece (8) has two downward extending flanges four (17) in the front-back direction, a plurality of connecting holes (19) for the screws (18) to pass through are formed in the flanges four (17), the connecting holes (19) are distributed along the length direction of the crosspiece (8), and the flanges three (16) and the flanges four (17) are fixed through the screws (18). Or a plurality of sliding grooves (20) for the screws (18) to pass through are formed in the flanges four (17), the sliding grooves (20) extend along the length direction of the crosspiece (8), and the flanges three (16) and the flanges four (17) are fixed through the screws (18). Or a plurality of sliding grooves (20) for the screws (18) to pass through are formed in the top of the crosspiece (8), the sliding grooves (20) extend along the length direction of the crosspiece (8), and the base (9) and the top of the crosspiece (8) are fixed through the screws (18).

10. The one-piece foot for a sewing machine of claim 5, wherein, The base (9) has two downwardly extending flanges (16) in the front-rear direction, the crosspiece (8) is located between the flanges (16), the crosspiece (8) has a flange (17) and a flange (21) in the front-rear direction, the flange (21) has an inwardly recessed accommodation groove (22), the flanges (16) are threadedly connected with screws (18), and the inner end of the screw (18) abuts against the inner wall of the accommodation groove (22).

11. An integrated foot pedal for a sewing machine as defined in claim 1, wherein, The pedal cover (3) is provided with an adjusting rod (24), the pedal bottom box (2) is provided with a circuit board (5) and a mounting frame (25), the mounting frame (25) is slidably connected with a magnet (4), the magnet (4) is oppositely arranged with the circuit board (5), the bottom of the magnet (4) is provided with an elastic member, and the lower end of the adjusting rod (24) abuts against the top of the magnet (4).

12. A sewing machine characterized by comprising: The sewing machine comprises the pedal of any one of claims 1-11.

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