Foot arch compensation pedal plate and back pedaling machine

Abstract

The utility model relates to the technical field of back-pedaling machines, and particularly provides an arch compensation pedal and a back-pedaling machine, the arch compensation pedal comprises a pedal body used for being connected with a pedal of the back-pedaling machine; the left pedal piece is arranged on the pedal body; the right treading piece is arranged on the pedal body, and the left treading piece and the right treading piece are arranged in a spaced mode; wherein a left lifting piece is arranged in the left treading piece, a right lifting piece is arranged in the right treading piece, and the left lifting piece and the right lifting piece are both used for supporting the arch of a user. Therefore, the foot arch of the user can be supported, the stress state of the femoral head of the foot in the back-stepping training process is optimized, the problems that due to an existing back-stepping machine pedal, compensation is generated on the human body, the thighbone is inadequately rotated inwards, knees are stressed, the hip training feeling is not obvious, and the training effect is poor are solved, the hip strength can be increased, the hip shape is improved, and the user experience is improved. Furthermore, the problems of arch, hallux valgus, calcaneus valgus and valgus, hip shape, leg shape, large and small hip, long and short legs and the like can be corrected.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of reverse pedaling machines, in particular to an arch compensation pedal and a reverse pedaling machine. BACKGROUND

[0002] The reverse pedaling machine is a widely used fitness equipment in gyms, which is designed to strengthen the lower limb muscle strength. It uses the slope principle to make the user repeatedly push and pedal the leg through the pedal. In this process, the quadriceps femoris on the front side of the thigh, the biceps femoris on the back side of the thigh, the calf muscle and the hip muscle can be fully and evenly exercised. The reverse pedaling machine can not only help to improve the strength and endurance of the leg muscles, but also effectively improve the leg lines and shape the tight and powerful lower limb contour.

[0003] However, the pedal of the existing reverse pedaling machine is in a planar structure, when the user's foot is trained on the pedal, the arch of the user's foot will collapse under the action of pressure; when the arch collapses, the human body will continuously compensate, causing the tibia of the lower leg to rotate inward, the patella to move inward, and the femur of the thigh to rotate inward.

[0004] Therefore, the prior art has defects and deficiencies, and needs to be further improved and developed. CONTENT OF THE INVENTION

[0005] In view of the above deficiencies of the prior art, the purpose of the present application is to provide an arch compensation pedal, which aims to solve the problem that the pedal structure of the existing reverse pedaling machine in the prior art will cause the human body to continuously compensate, causing the femur of the thigh to rotate inward.

[0006] The technical scheme adopted by the present application to solve the technical problem is as follows: an arch compensation pedal for user reverse pedaling training, comprising:

[0007] a pedal body for connecting with the pedal of the reverse pedaling machine;

[0008] a left tread piece arranged on the pedal body;

[0009] a right tread piece arranged on the pedal body, the left tread piece and the right tread piece being arranged in a spaced manner;

[0010] wherein the left tread piece is provided with a left lifting piece, and the right tread piece is provided with a right lifting piece, the left lifting piece and the right lifting piece being used to provide support for the arch of the user's foot.

[0011] Optionally, the horizontal cross section of the left tread piece is arranged in a left instep shape, the horizontal cross section of the right tread piece is arranged in a right instep shape, the left lifting piece is arranged at the left arch of the left instep shape, and the right lifting piece is arranged at the right arch of the right instep shape.

[0012] Optionally, the left lifting member comprises:

[0013] a left main body fixedly arranged below the left pedal member;

[0014] a left lifting block arranged above the left main body;

[0015] a left lifting knob arranged at the side of the left main body, the left lifting knob being used to adjust the height of the left lifting block;

[0016] the right lifting member comprises:

[0017] a right main body fixedly arranged below the right pedal member;

[0018] a right lifting block arranged above the right main body;

[0019] a right lifting knob arranged at the side of the right main body, the right lifting knob being used to adjust the height of the right lifting block.

[0020] Optionally, a left lifting through hole is arranged at the left arch, and the left lifting block is telescoped up and down in the left lifting through hole.

[0021] a right lifting through hole is arranged at the right arch, and the right lifting block is telescoped up and down in the right lifting through hole.

[0022] Optionally, a fixing portion is arranged on the pedal body, and the fixing portion is used to fix the rotation shafts of the left pedal member and the right pedal member.

[0023] Optionally, the pedal body is further provided with a clearance groove, and the clearance groove is arranged at the side of the fixing portion.

[0024] Optionally, the left lifting member and the right lifting member are arranged in the clearance groove, and when the left lifting member rotates clockwise along the rotation shaft of the left pedal member, the left lifting member does not contact the groove wall of the clearance groove; when the right lifting member rotates counterclockwise along the rotation shaft of the right pedal member, the right lifting member does not contact the groove wall of the clearance groove.

[0025] Optionally, the left pedal member comprises a left toe portion and a left instep portion, and the end of the left toe portion is provided with a left clamping member, the left clamping member being used to fix the rotation angle of the left pedal member.

[0026] the right pedal member comprises a right toe portion and a right instep portion, and the end of the right toe portion is provided with a right clamping member, the right clamping member being used to fix the rotation angle of the right pedal member.

[0027] Optionally, a plurality of angle grooves are arranged on the pedal body, and the plurality of angle grooves are arranged at the periphery of the left instep part and the right instep part, and each of the plurality of angle grooves is capable of being clamped and fixed with the right clamping part and the left clamping part.

[0028] Another technical solution adopted by the present application to solve the technical problem is as follows: a backward pedaling machine comprising the arch compensating pedal.

[0029] Compared with the prior art, the arch compensating pedal provided by the present application can provide support for the arch of the user by arranging the left lifting part and the right lifting part, optimize the stress state of the foot during the backward pedaling training process, solve the problem that the existing backward pedaling machine pedal causes the human body to produce compensation and internal rotation of the femur, improve the motion stability during training, effectively disperse the foot pressure through arch support, reduce the risk of sports injury, enhance the training comfort, and the arch compensating pedal can also improve the pain caused by the compensation of the knee joint, hip joint and lumbar vertebrae, avoid joint injury; and further correct the problems of arch, hallux valgus, calcaneal varus, hip shape, leg shape, large and small hips, and long and short legs. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 is a schematic diagram of the assembly of the arch compensating pedal and the backward pedaling machine provided in the present application;

[0031] Figure 2 is a schematic diagram of the assembly of the arch compensating pedal and the backward pedaling machine provided in the present application from another perspective;

[0032] Figure 3 is a schematic diagram of the assembly of the arch compensating pedal provided in the present application; Figure 2 is an enlarged view of position A in FIG.

[0033] Figure 4 is a schematic diagram of the assembly of the left pedal part, the right pedal part, the left lifting part and the right lifting part of the arch compensating pedal provided in the present application;

[0034] Figure 5 is a front view of the left pedal part of the arch compensating pedal provided in the present application;

[0035] Figure 6 is a schematic diagram of the assembly of the backward pedaling machine and the first side pushing part and the second side pushing part provided in the present application;

[0036] Figure 7 is a schematic diagram of the assembly of the backward pedaling machine and the first side pushing part and the second side pushing part provided in the present application; Figure 6 is an enlarged view of position B in FIG.

[0037] Explanation of reference signs:

[0038] 10, arch compensation foot pedal; 11, pedal body; 12, left pedal piece; 13, right pedal piece; 121, left lifting piece; 131, right lifting piece; 1211, left main body; 1212, left lifting block; 1213, left lifting knob; 1311, right main body; 1312, right lifting block; 1313, right lifting knob; 122, left lifting through hole; 132, right lifting through hole; 111, fixed part; 112, clearance groove; 123, left toe part; 1231, left clamping piece; 133, right toe part; 1331, right clamping piece; 124, left instep part; 134, right instep part; 113, angle groove; 1241, first side pushing piece; 1242, second side pushing piece; 60, screwing-in piece; 61, side pushing body; 62, locking piece; 63, pushing block; 64, side pushing knob. DETAILED DESCRIPTION

[0039] Embodiments of the present application are described below in detail with reference to the accompanying drawings, wherein the same or similar components or components having the same or similar functions are denoted by the same or similar reference numerals throughout. The embodiments described below by reference to the accompanying drawings are exemplary and are only used to explain the present application and cannot be understood as a limitation of the present application.

[0040] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application. In addition, the terms "first", "second" are only for the purpose of description and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0041] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0042] Please refer to Figures 1 to 4The first embodiment of the present application provides an arch compensation foot pedal 10 for user's backward pedaling training, which comprises a pedal body 11, a left pedal piece 12 and a right pedal piece 13, the left pedal piece 12 and the right pedal piece 13 are respectively arranged on the pedal body 11, and the left pedal piece 12 and the right pedal piece 13 are arranged at intervals. The horizontal section of the left pedal piece 12 and the right pedal piece 13 respectively presents a left sole shape and a right sole shape, and a left lifting piece 121 and a right lifting piece 131 are respectively arranged at the left arch of the left sole shape and the right arch of the right sole shape. The left lifting piece 121 comprises a left main body 1211, a left lifting block 1212 and a left lifting knob 1213; the right lifting piece 131 comprises a right main body 1311, a right lifting block 1312 and a right lifting knob 1313, and the user can adjust the height of the left lifting block 1212 and the right lifting block 1312 through the left lifting knob 1213 and the right lifting knob 1313, so as to obtain precise support for the arch of the user, reduce the sinking of the inner side of the sole, and prevent uneven force distribution in the training process. In addition, the left lifting block 1212 and the right lifting block 1312 can be up and down in the left lifting through hole 122 and the right lifting through hole 132, so as to ensure the stability of the lifting adjustment. At the same time, the pedal body 11 is provided with a fixing part 111 and an empty slot 112, the fixing part 111 is used for fixing the pivot of the left pedal piece 12 and the right pedal piece 13, the heel part of the left pedal piece 12 and the right pedal piece 13 is provided with a pivot, one end of the pivot is fixed in the fixing part 111, so that the left pedal piece 12 and the right pedal piece 13 can rotate around the pivot, and the empty slot 112 is used for avoiding interference between structures in the adjustment process of the left lifting piece 121 and the right lifting piece 131, so as to improve the overall adaptability and functional stability. The left pedal piece 12 and the right pedal piece 13 further comprise a left toe part 123, a left sole part 124, a right toe part 133 and a right sole part 134, the end of the left toe part 123 is provided with a left clamping piece 1231, the end of the right toe part 133 is provided with a right clamping piece 1331, and the left clamping piece 1231 and the right clamping piece 1331 are respectively clamped and fixed with a plurality of angle slots 113 on the pedal body 11, the user can adjust and fix the rotation angle of the left pedal piece 12 and the right pedal piece 13 according to the needs, further optimize the stress state of the foot, and ensure the natural fit between the sole and the arch compensation foot pedal 10 in the training process. Finally, when the arch compensation foot pedal 10 is used in combination with the backward pedaling machine, the left lifting piece 121 and the right lifting piece 131 provide effective support for the arch in the backward pedaling training process of the user, and the shape and angle adjustment function of the pedal piece guarantees the stability and natural force of the foot of the user, prevents the sinking of the inner side of the sole and the inward rotation of the femur of the thigh, improves the standardization and safety of the training posture, and further improves the effect of the backward pedaling training.

[0043] Please refer to Figures 1 to 2In some embodiments, the arch compensation foot pedal 10 comprises a pedal body 11, a left pedal piece 12 and a right pedal piece 13, the pedal body 11 is used to be connected with the pedal of the reverse pedaling machine, and the pedal body 11 can be magnetically connected, detachably connected or fixedly connected with the pedal of the reverse pedaling machine; the left pedal piece 12 is arranged on the pedal body 11; the right pedal piece 13 is arranged on the pedal body 11, and the left pedal piece 12 is arranged apart from the right pedal piece 13; wherein the left pedal piece 12 is provided with a left lifting piece 121, and the right pedal piece 13 is provided with a right lifting piece 131, and the left lifting piece 121 and the right lifting piece 131 are used to support the arch of the user, so that the left lifting piece 121 and the right lifting piece 131 can support the arch of the user, optimize the stress state of the foot during the reverse pedaling training process, solve the problem that the existing reverse pedaling machine pedal causes the human body to produce compensation and femoral internal rotation, improve the action stability during training, effectively disperse the foot pressure through arch support, reduce the risk of sports injury, and enhance the training comfort.

[0044] For reference Figure 3 In some embodiments, the horizontal section of the left pedal piece 12 is arranged as a left instep shape, the horizontal section of the right pedal piece 13 is arranged as a right instep shape, the left lifting piece 121 is arranged at the left arch of the left instep shape, and the right lifting piece 131 is arranged at the right arch of the right instep shape, so as to locally support the arch part and further optimize the stress balance. Avoid the training compensation problem caused by non-uniform support, and more conform to the ergonomic design.

[0045] For reference Figures 3 to 4 In some embodiments, the left lifting piece 121 comprises a left main body 1211, a left lifting block 1212 and a left lifting knob 1213, the left main body 1211 is fixedly arranged below the left pedal piece 12; the left lifting block 1212 is arranged above the left main body 1211; the left lifting knob 1213 is arranged at the side of the left main body 1211; the left lifting knob 1213 is used to adjust the height of the left lifting block 1212; the right lifting piece 131 comprises a right main body 1311, a right lifting block 1312 and a right lifting knob 1313, the right main body 1311 is fixedly arranged below the right pedal piece 13; the right lifting block 1312 is arranged above the right main body 1311; the right lifting knob 1313 is arranged at the side of the right main body 1311; the right lifting knob 1313 is used to adjust the height of the right lifting block 1312, so that the user can freely adjust the support height according to the height requirement of the arch of the user through the height adjustment function of the left lifting block 1212 and the right lifting block 1312, meet the individual needs, and make the foot pedal adapt to different groups of people, which helps to improve the user experience.

[0046] Please refer to Figure 3 In some embodiments, the left arch is provided with a left lifting through hole 122, and the left lifting block 1212 is telescoped up and down in the left lifting through hole 122; the right arch is provided with a right lifting through hole 132, and the right lifting block 1312 is telescoped up and down in the right lifting through hole 132, thereby achieving stable lifting support, avoiding lateral shaking, and ensuring the accuracy and reliability of the support.

[0047] Please refer to Figures 3 to 4 In some embodiments, the pedal body 11 is provided with a fixed part 111 for fixing the rotating shafts of the left pedal piece 12 and the right pedal piece 13, thereby helping to improve the mechanical stability of the whole foot pedal and ensuring the safety of the user during training.

[0048] Please refer to Figure 3 In some embodiments, the pedal body 11 is further provided with a clearance groove 112 arranged on the side of the fixed part 111, thereby providing a clearance space for the fixed part 111 to prevent interference with the left lifting piece 121 and the right lifting piece 131, optimizing the layout of the foot pedal, and ensuring the normal operation of the lifting piece.

[0049] Please refer to Figure 3 In some embodiments, the left lifting piece 121 and the right lifting piece 131 are arranged in the clearance groove 112, and the left lifting piece 121 and the right lifting piece 131 are arranged suspended above the clearance groove 112, and when the left lifting piece 121 rotates clockwise along the rotating shaft of the left pedal piece 12, the left lifting piece 121 does not contact the groove wall of the clearance groove 112; when the right lifting piece 131 rotates counterclockwise along the rotating shaft of the right pedal piece 13, the right lifting piece 131 does not contact the groove wall of the clearance groove 112, thereby ensuring that the left lifting piece 121 and the right lifting piece 131 do not contact the groove wall of the clearance groove 112 during rotation through the movement design of the lifting piece in the clearance groove 112, improving the operability and flexibility of the equipment, providing greater adjustment freedom for the foot pedal, and allowing the user to freely adjust the support state according to the needs.

[0050] In some embodiments, the left pedal 12 comprises a left toe part 123 and a left instep part 124, and the end of the left toe part 123 is provided with a left knob 1231 for fixing the rotation angle of the left pedal 12; the right pedal 13 comprises a right toe part 133 and a right instep part 134, and the end of the right toe part 133 is provided with a right knob 1331 for fixing the rotation angle of the right pedal 13. Through the design of the left knob 1231 and the right knob 1331, the rotation angle of the pedal can be effectively fixed, avoiding accidental rotation of the left pedal 12 or the right pedal 13 during training, allowing the user to select the appropriate angle according to the training needs, and improving the applicability of the device.

[0051] For reference Figure 3 In some embodiments, a plurality of angle grooves 113 are provided on the pedal body 11, and the plurality of angle grooves 113 are arranged on the periphery of the left instep part 124 and the right instep part 134, and each of the plurality of angle grooves 113 can be clamped and fixed with the right knob 1331 and the left knob 1231 to adjust the internal rotation angle of the hip joint, so as to realize the internal eight rotation of the user, correct the excessive waist curvature, and correct the rib eversion, thereby ensuring the stability of the pedal during training and improving the safety of the device.

[0052] For reference Figure 5 In some embodiments, the left lifting knob 1213 and the right lifting knob 1313 are arranged on the side edges of the left body 1211 and the right body 1311, respectively, and the outer periphery of the left lifting knob 1213 and the right lifting knob 1313 is provided with a scale. The knob is connected with the lifting block through threads or other transmission devices. The rotation of the knob drives the movement of the thread or gear mechanism, thereby realizing the up-down adjustment of the lifting block. When the user rotates the left lifting knob 1213, the left lifting block 1212 moves up and down along the left lifting through hole 122, adjusting the support height of the left arch; similarly, the right lifting knob 1313 controls the up-down movement of the right lifting block 1312, adjusting the support height of the right arch. Specifically, at the end of the left lifting knob 1213 and the right lifting knob 1313, a thread or gear device can be arranged. The rotation of the knob drives the vertical movement of the lifting block through the mutual engagement of the thread or gear. When the left lifting knob 1213 is rotated, the thread installed on the knob is in contact with the corresponding thread of the left lifting block 1212, and longitudinal movement is generated through rotation, so that the left lifting block 1212 moves up and down, achieving the effect of adjusting the support height of the arch. Similarly, the transmission system of the right lifting knob 1313 and the right lifting block 1312 is similar, which belongs to the prior art.

[0053] In some embodiments, the arch compensation foot pedal 10 can also improve the pain caused by the knee joint hip joint lumbar compensation, avoid joint injury; and can correct the problems of arch, hallux valgus, calcaneal varus, hip shape, leg shape, large and small hips, and long and short legs.

[0054] In some embodiments, the arch compensation foot pedal 10 can also be connected to a weight training device to achieve hip joint training, further improving the training effect of the user.

[0055] Please refer to Figure 6 and Figure 7 In some embodiments, the left foot sole part 124 and the right foot sole part 134 are provided with a first side pushing piece 1241 and a second side pushing piece 1242 on the left and right sides of the calcaneus position of the user's foot sole, and the first side pushing piece 1241 and the second side pushing piece 1242 are used to correct the calcaneus of the user's foot sole. Specifically, the first side pushing piece 1241 is arranged on the outside of the calcaneus position of the user, and pushes the calcaneus to the inside, and the second side pushing piece 1242 is arranged on the inside of the calcaneus position of the user, and pushes the calcaneus to the outside; that is, the first side pushing piece 1241 and the second side pushing piece 1242 both appropriately push the calcaneus on both sides of the user.

[0056] Please refer to Figure 6 and Figure 7 In some embodiments, the first side pushing piece 1241 and the second side pushing piece 1242 are provided with a screwing piece 60, the screwing piece 60 is used to be screwed into the fixing part 111 for fixation, the fixing part 111 is provided with a screwing hole matched with the screwing piece 60, and the first side pushing piece 1241 and the second side pushing piece 1242 both have a side pushing body 61, a locking piece 62, a pushing block 63 and a side pushing knob 64; the screwing piece 60 is arranged below the side pushing body 61, the locking piece 62 is arranged above the side pushing body 61, the side pushing knob 64 is arranged behind the side pushing body 61, the pushing block 63 is arranged in front of the side pushing knob 64, the pushing block 63 is made of rubber material, the shape of the pushing block 63 of the first side pushing piece 1241 is set as a cuboid, and the shape of the pushing block 63 of the second side pushing piece 1242 is set as a wedge shape; specifically, the outside of the side pushing knob 64 is provided with a scale mark, the setting position of the side pushing knob 64 can be placed on the back side of the backward pedaling piece, and the pushing direction of the pushing block 63 of the second side pushing piece 1242 can be perpendicular to the left foot sole part 124 and the right foot sole part 134. In turn, the calcaneus of the user can be appropriately pushed, and the problem of calcaneus varus of the user can be corrected.

[0057] The second embodiment of the present application provides a backward pedaling machine, which comprises the arch compensation foot pedal 10 as described above, thereby effectively solving the problem of the foot pedal structure of the existing backward pedaling machine, which causes the human body to compensate and the thigh to rotate inward.

[0058] In summary, the application provides an arch compensation foot pedal, which comprises: a pedal body for connecting with the pedal of a reverse pedaling machine; a left pedal piece arranged on the pedal body; a right pedal piece arranged on the pedal body, and the left pedal piece is arranged apart from the right pedal piece; wherein a left lifting piece is arranged in the left pedal piece, and a right lifting piece is arranged in the right pedal piece, and the left lifting piece and the right lifting piece are used to provide support for the arch of the user. In turn, the arch of the user can be supported, the stress state of the foot during the reverse pedaling training process is optimized, the problem that the existing reverse pedaling machine pedal causes the human body to produce compensation and femoral internal rotation is solved, the motion stability during training can be improved, the foot pressure is effectively dispersed through arch support, the risk of sports injury is reduced, the training comfort is enhanced, the arch compensation foot pedal can also improve the pain caused by the compensation of the knee joint, hip joint and lumbar vertebrae, avoid joint injury, and in turn, the problems of arch, hallux valgus, calcaneal varus, hip shape, leg shape, large and small hips and long and short legs can be corrected.

[0059] It should be understood that the application of the application is not limited to the above examples, and those of ordinary skill in the art can make improvements or changes according to the above description, and all these improvements and changes shall belong to the protection scope of the claims attached to the application.

Claims

1. An arch compensating foot pedal for user heel-digging training, characterized in that, The arch compensation pedal comprises: a pedal body for connecting with the pedal of the reverse pedaling machine; a left pedal piece arranged on the pedal body; a right pedal piece arranged on the pedal body, the left pedal piece and the right pedal piece being arranged at intervals; wherein a left lifting piece is arranged in the left pedal piece, and a right lifting piece is arranged in the right pedal piece, the left lifting piece and the right lifting piece being used for providing support for the arch of the user.

2. The arch compensation pedal according to claim 1, wherein a horizontal section of the left pedal piece is arranged as a left instep shape, a horizontal section of the right pedal piece is arranged as a right instep shape, the left lifting piece is arranged at the left arch of the left instep shape, and the right lifting piece is arranged at the right arch of the right instep shape.

3. The arch compensation pedal according to claim 2, wherein the left lifting piece comprises: a left main body fixedly arranged below the left pedal piece; a left lifting block arranged above the left main body; a left lifting knob arranged at a side of the left main body, the left lifting knob being used for adjusting the height of the left lifting block; the right lifting piece comprises: a right main body fixedly arranged below the right pedal piece; a right lifting block arranged above the right main body; a right lifting knob arranged at a side of the right main body, the right lifting knob being used for adjusting the height of the right lifting block.

4. The arch compensation pedal according to claim 3, wherein a left lifting through hole is arranged at the left arch, the left lifting block being capable of stretching up and down in the left lifting through hole; a right lifting through hole is arranged at the right arch, the right lifting block being capable of stretching up and down in the right lifting through hole.

5. The arch compensation pedal according to claim 2, wherein a fixing part is arranged on the pedal body, the fixing part being used for fixing the rotation shafts of the left pedal piece and the right pedal piece.

6. The arch compensation pedal according to claim 5, wherein the pedal body is further provided with a clearance groove, the clearance groove being arranged at a side of the fixing part.

7. The arch compensation pedal according to claim 6, wherein the left lifting piece and the right lifting piece are both arranged in the clearance groove, and when the left lifting piece rotates clockwise along the rotation shaft of the left pedal piece, the left lifting piece does not contact the groove wall of the clearance groove; when the right lifting piece rotates counterclockwise along the rotation shaft of the right pedal piece, the right lifting piece does not contact the groove wall of the clearance groove.

8. The arch compensation pedal according to claim 6, wherein the left pedal piece comprises a left toe part and a left instep part, an end of the left toe part is provided with a left carding piece, the left carding piece being used for fixing the rotation angle of the left pedal piece; the right pedal piece comprises a right toe part and a right instep part, an end of the right toe part is provided with a right carding piece, the right carding piece being used for fixing the rotation angle of the right pedal piece.

9. The arch compensation pedal according to claim 8, wherein The pedal body is provided with a plurality of angle grooves, which are arranged at the periphery of the left and right instep portions and can be clamped and fixed with the right and left clamping pieces.

10. A reverse pedaling machine characterized by, The machine for backward pedaling includes the arch compensating pedal according to any one of claims 1 to 9.

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