Sole and shoe

Abstract

The invention discloses a sole capable of adjusting bending rigidity and a shoe, a sole body is provided with a first sliding groove extending in the front-back direction, the first sliding groove accommodates a sliding part capable of sliding in the front-back direction, and the sliding part is used for enhancing the rigidity of the sole. The two ends of the sliding piece are connected with inhaul cables which are connected with the driving piece. The control piece controls the driving piece, so that the driving piece pulls the inhaul cable to drive the sliding piece to slide forwards or backwards. The sliding parts are located at different parts of the sole, and the sole has different bending rigidities, so that the use requirements of users in different scenes are met.

Description

Technical Field

[0001] The present application relates to the technical field of shoes, and in particular to a sole and a shoe with adjustable bending stiffness. Background Art

[0002] After the shoes are produced, their bending stiffness is usually a fixed value. With the development of society, for the same pair of shoes, consumers will have different requirements for the bending stiffness of the soles in different sports occasions or life scenes. For example: when playing high-intensity basketball games, increasing the bending stiffness of the forefoot of the sole can improve the athletic performance of jumping, changing direction and other actions; in low-intensity training and competition or daily wear, reducing the bending stiffness of the forefoot of the sole can improve wearing comfort. It is inconvenient for consumers to carry two pairs of shoes with different bending stiffnesses to meet different needs. Therefore, there is a need for a shoe that can adjust the bending stiffness of the sole to meet the needs of consumers.

[0003] The sole is usually divided into an insole, a midsole and an outsole. The main function of the insole is to absorb sweat and reduce the friction between the sole and the sole of the foot. The main function of the outsole is to resist wear and skid. The main function of the midsole is to reduce shock, cushion and provide rigidity to the sole. Adjusting the bending stiffness of the sole mainly involves adjusting the bending stiffness of the midsole body. Currently, the bending stiffness of the sole is adjusted by setting a sliding member that slides along the front-to-back direction on the midsole body, and manually adjusting the position of the sliding member on the midsole body along the front-to-back direction to adjust the bending stiffness of the midsole body, thereby adjusting the bending stiffness of the sole.

[0004] Although this method can adjust the bending stiffness of the sole, it requires manual operation, and the operation is cumbersome and inconvenient for users. Summary of the invention

[0005] The purpose of the present application is to overcome the above-mentioned defects or problems existing in the background technology and to provide a sole and a shoe whose bending stiffness can be adjusted by a motor.

[0006] In order to achieve the above purpose, the following technical solutions are adopted:

[0007] A sole comprises: a midsole body, which is provided with a first slide groove extending in the front-to-back direction; a sliding member, which is used to enhance the rigidity of the sole, extends in the front-to-back direction and is accommodated in the first slide groove; a cable, which connects the two ends of the sliding member and extends out of the first slide groove; a driving member, which is accommodated in the midsole body and is used to pull the cable to drive the sliding member to slide in the first slide groove in the front-to-back direction; and a control member, which is exposed at the side of the midsole body and is used to control the driving member so that the driving member drives the sliding member to slide forward or backward to the top of the first slide groove.

[0008] Furthermore, the driving member is a motor, and the motor drives the sliding member to slide forward or backward by correspondingly rotating forward or reversely.

[0009] Furthermore, the control element is a push switch, and each time the control element is pressed, the rotation direction of the motor changes.

[0010] Furthermore, it also includes a first conduit, which is located in the first slide groove and fixed relative to the midsole body. The sliding member slides in the first conduit, and the cable extends from the first conduit to be connected to the driving member.

[0011] Furthermore, the midsole body is also provided with a second slide groove, a third slide groove, a fourth slide groove and a fifth slide groove, the second slide groove is located at the toe position of the forefoot part and extends in the left-right direction, the third slide groove is located at the heel position of the heel part and extends in the left-right direction, the fourth slide groove is located at the side from the forefoot part to the arch part and extends in the front-to-back direction, the fifth slide groove is located at the side from the arch part to the heel part and extends in the front-to-back direction, the front end of the first slide groove is connected with the second slide groove, the rear end of the first slide groove is connected with the third slide groove, the second slide groove is connected with the front end of the fourth slide groove, and the third slide groove is connected with the rear end of the fifth slide groove.

[0012] Furthermore, a conduit is installed in each of the slide grooves of the midsole body and is fixed relative to the midsole body. The conduits include a second conduit, a third conduit, a fourth conduit and a fifth conduit. The second conduit is installed in the second slide groove, the third conduit is installed in the third slide groove, the fourth conduit is installed in the fourth conduit, the fifth conduit is installed in the fifth slide groove, and the cable passes through the conduits to be connected to the driving member.

[0013] Furthermore, the second catheter is provided with a protruding catheter hole, and the front end of the first catheter is sleeved outside the catheter hole and fixed thereto; the third catheter is provided with a protruding catheter hole, and the rear end of the first catheter is sleeved outside the catheter hole and fixed thereto.

[0014] Furthermore, the arch portion of the midsole body is provided with an inlet duct and an outlet duct, the inlet duct connects the fourth duct and the driving member, and the outlet duct connects the fifth duct and the driving member.

[0015] Furthermore, there are a plurality of first slide grooves, which are arranged along the left-right direction and are respectively connected to the second slide groove and the third slide groove, and each of the first slide grooves is provided with the first conduit, the sliding member and the cable.

[0016] In addition, the present invention also provides a shoe, comprising any of the above-mentioned soles.

[0017] Compared with the prior art, the above solution has the following beneficial effects:

[0018] 1. The midsole body is provided with a first slide groove extending in the front-to-back direction, and the sliding member extends in the front-to-back direction and is accommodated in the first slide groove. When the shoe is in use, it is mainly bent at the forefoot part of the shoe, and the bending stiffness of the sole mainly depends on the bending stiffness of the forefoot part of the midsole body. The rigidity of the sliding member is greater than that of the midsole body. When it is located at the forefoot part of the midsole body, it bends together with the bending of the midsole body, thereby enhancing the bending stiffness of the sole. At the same time, the position of the sliding member in the midsole body along the front-to-back direction can be changed. When the sliding member is not located at the forefoot part, it does not bend together with the bending of the midsole body, thereby reducing the bending stiffness of the sole. The cable is connected to both ends of the sliding member and to the driving member. The driving member pulls the cable to drive the sliding member to slide in the slide groove along the front-to-back direction. The control member is located on the side of the midsole body and is used to control the driving member. The prior art uses manual rotation to adjust the position of the slide member on the midsole body along the front-to-back direction. The present invention uses a control member to control a driving member to adjust the position of the slide member on the midsole body along the front-to-back direction, which is more convenient and quicker than the prior art.

[0019] 2. The driving part uses a motor, which drives the sliding part forward or backward by rotating the motor forward or reversely. Compared with manually driving the sliding part, using a motor to drive the sliding part saves manpower, is more convenient, and improves the user experience.

[0020] 3. The control part uses a push switch, which is easy to operate and has clear feedback for stiffness adjustment. Each time the push switch is operated, the direction of the motor rotation changes, that is, the bending stiffness of the sole cycles between increasing and decreasing. The bending stiffness of the sole increases when the push switch is pressed this time, and decreases when the push switch is pressed next time; the bending stiffness of the sole decreases when the push switch is pressed this time, and increases when the push switch is pressed next time. By repeating this process, users can accurately adjust the bending stiffness of the sole.

[0021] 4. A first conduit is provided in the first slide groove, the first conduit is fixedly connected to the midsole body, and the sliding member slides in the first conduit along the front-back direction. The midsole body plays a role in buffering and shock absorption, and the sliding member plays a role in enhancing the bending stiffness of the midsole body. The sliding member is more rigid than the midsole body, and its sliding in the first slide groove of the midsole body will damage the midsole body. A first conduit is provided in the first slide groove, and the hardness of the first conduit is greater than that of the midsole body. The sliding member slides in the first conduit without direct contact with the midsole body, and will not damage the midsole body, thereby improving the durability of the sole. The cable extends from the first conduit and is connected to the driving member, that is, the cable slides in the first conduit, and will not rub against the midsole body to damage the midsole body, thereby improving the durability of the sole.

[0022] 5. The midsole body is provided with a second slide groove extending in the left-right direction at the toe position of the forefoot part, and a third slide groove extending in the left-right direction at the heel position of the heel part; the side of the forefoot part to the arch part of the midsole body is provided with a fourth slide groove extending in the front-back direction, and the side of the arch part to the heel part is provided with a fifth slide groove extending in the front-back direction. The front end of the first slide groove is connected with the second slide groove, the rear end of the first slide groove is connected with the third slide groove, the second slide groove is connected with the front end of the fourth slide groove, and the third slide groove is connected with the rear end of the fifth slide groove. The slide grooves are connected to each other to form a connected channel. After the cable extends from the first guide tube, it can be connected to the driving member through the interconnected slide grooves, so that the cable can slide in the midsole body.

[0023] 6. Each chute is equipped with a conduit, which is fixed to the midsole body. The midsole body plays a role in buffering and shock absorption, and its hardness is relatively low. The cable sliding in the midsole body will damage the midsole body. A conduit is set in each chute, and each conduit forms a connected channel. The cable passes through the conduit and connects to the driving part, which does not damage the sole body and improves the durability of the sole. At the same time, the conduit allows the driving part to drive the sliding part smoothly.

[0024] 7. The second conduit is provided with a protruding conduit hole connected to the front end of the first conduit, and the third conduit is provided with a protruding conduit hole connected to the rear end of the first conduit. The second and third conduits are respectively integrally formed with the protruding conduit holes. Compared with the prior art in which the first conduit and the second conduit are connected by a tee, and the first conduit and the third conduit are connected by a tee, this solution has higher stability.

[0025] 8. An inlet conduit is provided at the portion where the fourth conduit is connected to the driving member, and an outlet conduit is provided at the portion where the fifth conduit is connected to the driving member. The inlet conduit and the outlet conduit are fixed to the midsole body, and the inlet conduit and the outlet conduit make the connection between the cable and the driving member smooth, avoiding wear between the cable and the sole body, and damaging the cable and the sole body.

[0026] 9. There are several slides, which are arranged in the left and right directions. Each slide is equipped with a guide tube, a sliding part and a cable. Different slides are set according to different usage scenarios and customer needs, so that the adjustment range of the bending stiffness of the sole is larger and diverse needs are met.

[0027] 10. The shoes manufactured using the above technical solution can conveniently and quickly adjust the bending stiffness of the shoes by operating the push switch to drive the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solution of the embodiment, the following briefly introduces the drawings required for use:

[0029] Figure 1 is a bottom view of the midsole of a shoe according to an embodiment of the present invention;

[0030] Figure 2is a schematic top view of the midsole of a shoe in an embodiment;

[0031] Figure 3 It is a side view of the midsole of the shoe in the embodiment.

[0032] Description of main reference numerals:

[0033] Midsole body 10; forefoot portion 1; arch portion 2; heel portion 3; first slide slot 11; second slide slot 12; third slide slot 13; fourth slide slot 14; fifth slide slot 15; entry hole 16; extension hole 17; sliding member 31; cable 40; driving member 60; control key 61; first conduit 21; second conduit 22; conduit hole 221 of the second conduit; third conduit 23; conduit hole 231 of the third conduit; fourth conduit 24; fifth conduit 25; inlet conduit 26; outlet conduit 27. DETAILED DESCRIPTION

[0034] In the claims and the description, unless otherwise defined, the terms "first", "second" or "third", etc. are intended to distinguish different objects rather than to describe a specific order.

[0035] In the claims and the specification, unless otherwise defined, terms such as "center", "lateral", "longitudinal", "horizontal", "vertical", "top", "bottom", "inside", "outside", "up", "down", "front", "back", "left", "right", "clockwise", "counterclockwise", "forward", "reverse" and the like indicating directions or positional relationships are based on the directions and positional relationships shown in the drawings and are only for the convenience of simplifying the description and do not imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction.

[0036] In the claims and the specification, unless otherwise defined, the term "fixed connection" or "fixed connection" should be understood in a broad sense, that is, any connection method in which there is no displacement relationship and relative rotation relationship between the two parties, that is to say, including non-detachable fixed connection, detachable fixed connection, integral connection and fixed connection through other devices or elements.

[0037] In the claims and the description, unless otherwise defined, the terms "includes", "has" and their variations mean "including but not limited to".

[0038] In the claims and the specification, unless otherwise defined, the term "provided with" means that the technical feature located thereafter is a part of the technical feature located therefor.

[0039] The technical solutions in the embodiments will be described clearly and completely below in conjunction with the accompanying drawings.

[0040] See also Figure 1 , Figure 2 and Figure 3 A shoe midsole for adjusting bending stiffness provided by an embodiment of the present invention is shown. Figure 1 This is a bottom view of the shoe midsole. Figure 2 A top view of the midsole. Figure 3 Shown is a side view of a shoe midsole.

[0041] The above-mentioned upward view is a direction recognition performed based on the direction of the sole, and the direction of the sole from the part in contact with the ground to the part in contact with the sole of the foot is the upward view. Figure 1 The above-mentioned top view is a direction identification based on the direction of the sole, that is, the direction of the sole from the contact part with the sole to the contact part with the ground is the top view. Figure 2 It is a top view of the midsole of the left shoe. The midsole of the shoe includes a midsole body 10, and the midsole body 10 includes a forefoot portion 1, an arch portion 2, and a heel portion 3. The midsole body 10 is provided with a first slide groove 11 extending in the front-to-back direction, and the first slide groove 11 runs through the forefoot portion 1, the arch portion 2, and the heel portion 3. The above-mentioned front-to-back direction is a direction identification based on the direction of the sole, and the direction from the front toe portion to the rear heel portion of the sole is the front-to-back direction. The sliding member 31 is used to enhance the bending stiffness of the midsole body 10, which extends in the front-to-back direction and is accommodated in the first slide groove 11. The sliding member 31 can slide in the front-to-back direction in the first slide groove 11. In this embodiment, the sliding member 31 is made of carbon fiber material, and the length of the sliding member 31 extending in the front-to-back direction must meet the requirement that when it is located in the forefoot portion of the midsole body 10, it can bend together with the bending of the midsole body 10. When the midsole body 10 is in use, it is mainly bent at the forefoot portion. The greater the bending stiffness of this portion, the greater the bending stiffness of the midsole body 10, and thus the greater the bending stiffness of the sole. When the slider 31 is located at the forefoot portion of the midsole body 10, the bending stiffness of the sole increases, and when the slider 31 is not located at this portion, the bending stiffness of the sole decreases. That is to say, when the slider 31 is located at the front end of the midsole body 10, the bending stiffness of the sole increases, and when the slider is located at the rear end of the midsole body 10, the bending stiffness of the sole decreases. The length of the slider 31 is less than the length of the first slide groove 11. If the length of the slider 31 is equal to the length of the first slide groove 11, the slider 31 cannot slide in the first slide groove 11 along the front-to-back direction, and the bending stiffness of the sole cannot be adjusted.

[0042] The cable 40 connects the two ends of the sliding member 31 and extends out of the first slide groove 11, and pulls the sliding member 31 to slide in the front-to-back direction in the first slide groove 11. The cable 40 pulls the front end of the sliding member 31 to slide it toward the front end, and the cable 40 pulls the rear end of the sliding member 31 to slide it toward the rear end. By pulling the sliding member 31 with the cable 40, the relative position of the sliding member 31 in the first slide groove 11 along the front-to-back direction can be changed without disassembling the midsole body 10.

[0043] Figure 1 and Figure 2As shown, the driving member 60 is accommodated in the midsole body 10 and is used to pull the cable 40 to drive the sliding member 31 to slide in the first slide groove 11 along the front-back direction. In this embodiment, the driving member 60 is located above the sliding member 31. The above is the direction identification based on the direction of the sole. The direction of the sole from the part in contact with the sole to the part in contact with the ground is the up-down direction. The driving member 60 is located above the sliding member 31, that is, the driving member 60 is closer to the sole than the sliding member 31. The driving member 60 is accommodated in a hard shell, and the arch portion 2 of the midsole body 10 is provided with a groove. The hard shell of the driving member 60 is suitable for being accommodated in the groove and fixed relative to the midsole body 10. Due to the characteristics of the physiological structure of the human foot, the arch portion 2 of the midsole body 10 has a larger space than the forefoot portion 1 and the heel portion 3, and is more suitable for accommodating the driving member 60. At the same time, the arch portion 2 of the midsole body 10 is subjected to less force than the forefoot portion 1 and the heel portion 3 during use, which can better protect the driving member 60 and make it less prone to damage.

[0044] As a preferred embodiment, the driving member 60 is a motor, and the motor drives the sliding member 31 to slide forward or backward by forward and reverse rotation. In this embodiment, the driving member also includes components such as a battery, a winding wheel, an output bevel gear, a worm shaft and a main control board. The rotation of the motor drives the worm shaft to rotate, and the rotation of the worm shaft drives the output bevel gear to rotate, and the output bevel gear drives the winding wheel to rotate, and the winding wheel rotates to pull the cable 40. The connection relationship and transmission relationship of the above components are prior art and will not be described in detail here. The motor drives the winding wheel to rotate forward or reverse by forward or reverse rotation. When the winding wheel rotates forward, it pulls the cable 40 at the front end of the sliding member 31, releases the cable 40 at the rear end of the sliding member 31, and drives the sliding member 31 to slide toward the front end of the midsole body 10; when the winding wheel reverses, it pulls the cable 40 at the rear end of the sliding member 31, releases the cable 40 at the front end of the sliding member 31, and drives the sliding member 31 to slide toward the rear end of the midsole body 10. That is to say, the motor drives the winding wheel to rotate forward or reversely, so as to retract and release the cable 40 connecting the two ends of the sliding member 31, and drive the sliding member 31 to slide forward or backward in the first sliding groove 11.

[0045] The control member 61 is exposed from the side of the midsole body 10 and is used to control the driving member 60 so that the driving member 60 drives the sliding member 31 to slide forward or backward to the top of the first sliding groove 11. As a preferred embodiment, the control member 61 is a push switch, such as Figure 1As shown, the push switch is located on the right side of the hard shell of the driving member and is electrically connected to the main control board of the driving member. It is surrounded by the midsole body 10 and exposes the right side of the arch 2 of the midsole body 10. The left and right directions are direction identification based on the direction of the sole. The direction from the big toe to the little toe of the sole is the left and right direction. The side of the midsole body 10 close to the big toe is the left side, and the side close to the little toe is the right side. That is to say, the push switches of the left and right soles of the left and right feet both expose the side of the arch 2 close to the little toe, which is convenient for the left and right hands to operate the push switches corresponding to the left and right soles respectively. Each time the push switch is operated, the rotation direction of the motor changes. When the push switch is operated, the motor drives the sliding member 31 to slide forward to the top of the front end of the first chute 11 in the forward direction, and maintains this state, thereby enhancing the bending stiffness of the sole; when the push switch is operated next time, the motor drives the sliding member 31 to slide backward to the top of the rear end of the first chute, and maintains this state, thereby reducing the bending stiffness of the sole. The push switch is operated again, and the motor drives the slider 31 to slide forward to the top of the front end of the first slide groove 11, and maintains this state, thereby enhancing the bending stiffness of the sole, and the cycle is repeated alternately. By operating the push switch, the slider 31 can slide in the front-back direction to change the bending stiffness of the sole. The operation method is simple and the operation feedback effect is obvious. If the bending stiffness of the sole is enhanced, the bending stiffness of the sole will be reduced next time, and if the bending stiffness of the sole is reduced, the bending stiffness of the sole will be increased next time.

[0046] The midsole body 10 includes a first conduit 21, which is located in the first slide groove 11 and fixed relative to the midsole body 10, and a sliding member 31 slides in the first conduit. The first slide groove 11 is located in the midsole body 10, and the sliding member 31 slides in the first slide groove 11. The midsole body 10 usually has a low hardness due to its role. The sliding member 31 is used to increase the rigidity of the midsole body 10, and its hardness is relatively high. The sliding member 31 with high hardness slides in the first slide groove 11 of the midsole body 10 with low hardness, and it is easy to damage the midsole body 10 due to friction. Therefore, the first conduit 21 is installed in the first slide groove 11. The hardness of the first conduit 21 is greater than that of the midsole body 10. The sliding member 31 slides in the first conduit 21 along the front-back direction, so that the sliding member 31 does not directly contact the midsole body 10 and does not damage the midsole body 10.

[0047] As a preferred embodiment, the midsole body 10 is further provided with a second chute 12, a third chute 13, a fourth chute 14 and a fifth chute 15. The toe position of the forefoot portion 1 of the midsole body 10 is provided with a second chute 12 extending in the left-right direction, the heel position of the heel portion 3 is provided with a third chute 13 extending in the left-right direction, the left side surface of the forefoot portion 1 and the arch portion 2 is provided with a fourth chute 14 extending in the front-back direction, and the left side surface of the arch portion 2 and the heel portion 3 is provided with a fifth chute 15 extending in the front-back direction. The front end of the first chute 11 is connected to the rear end of the second chute 12, the rear end of the first chute 11 is connected to the front end of the third chute 13, the left end of the second chute 12 is connected to the front end of the fourth chute 14, and the left end of the third chute 13 is connected to the rear end of the fifth chute 15. The above-mentioned front-back direction is a direction identification based on the direction of the sole, and the direction from the front toe portion of the sole to the rear heel is the front-back direction. The above-mentioned left and right directions are direction identification based on the direction of the sole of the foot, and the direction from the big toe to the little toe of the sole of the foot is the left and right direction. The second chute 12 and the third chute 13 are arranged "extending in the left and right directions", and "extending in the left and right directions" can extend in a straight line direction, but it does not mean that it can only extend in a straight line direction. In this embodiment, the second chute 12 and the third chute 13 extend along the edge shape of the front end and the rear end of the midsole body 10 respectively. The chute is interconnected to form a connected channel. The cable 40 extends from the first conduit 21 and passes through the channel formed by the chute to connect to the drive member 60.

[0048] As a preferred embodiment, conduits are also installed in each chute of the midsole body 10, including a second conduit 22, a third conduit 23, a fourth conduit 24 and a fifth conduit 25. The second conduit 22 is located in the second chute 12, the third conduit 23 is located in the third chute 13, the fourth conduit 24 is located in the fourth chute 14, and the fifth conduit 25 is located in the fifth chute 15, and each conduit is fixed to the relative midsole body 10. The cable 40 extends from the first conduit 21 and passes through the channel formed by the conduit to connect with the driving member 60. The cable 40 at the front end of the sliding member 31 extends from the front end of the first conduit 21 into the second conduit 22, the fourth conduit 24 and the driving member 60, and the cable 40 at the rear end of the sliding member 31 extends from the rear end of the first conduit 21 into the third conduit 23, the fifth conduit 25 and the driving member 60. The driving member 60 retracts and releases the cable 40, that is, the cable 40 slides in the conduit. The cable 40 passes through the channel formed by the conduit and is connected to the driving member 60 , that is, the cable 40 does not directly contact the midsole body 10 , which can protect the midsole body 10 from being worn by the cable 40 , thereby improving the durability of the shoe.

[0049] The second conduit 22 is provided with a protruding conduit hole 221 at a position corresponding to the front end of the first conduit 21, and the front end of the first conduit 21 is sleeved outside the conduit hole 221 and fixed thereto. The third conduit 23 is provided with a protruding conduit hole 231 at a position corresponding to the rear end of the first conduit 21, and the rear end of the first conduit 21 is sleeved outside the conduit hole 231 and fixed thereto. The second conduit 22 and the third conduit 23 are hard conduits, usually made of nylon, TPU and other materials. The protruding conduit hole 221 is integrally formed with the conduit 22, and the protruding conduit hole 231 is integrally formed with the third conduit 23. The integrally formed design allows the connection stability of the protruding conduit hole 221 and the conduit 22, and the protruding conduit hole 231 and the third conduit 23 to be high. After the cable 40 extends from the first conduit 21 into the second conduit 22 and the third conduit 23, there will be a turn at an angle of nearly 90°. When the cable 40 slides, it will apply greater pressure and friction to the conduits at the turning point. In this embodiment, the front end of the first conduit 21 is sleeved on the outside of the protruding conduit hole 221 of the second conduit 22, and the rear end of the first conduit 21 is sleeved on the outside of the protruding conduit hole 231 of the third conduit 23. When the cable 40 turns at the conduit connection, the pressure and friction of the cable 40 at the conduit connection are mainly applied to the protruding conduit holes 221 and 223, because the protruding conduit holes 221 and 231 are made of hard material and are respectively integrally formed with the second conduit 22 and the third conduit 23, and the stability of this part is high and not easy to be damaged, thereby improving the stability of the overall operation. The second conduit 22 is located at the toe position of the forefoot portion 1 of the midsole body 10, and the third conduit is located at the heel portion 3 of the midsole body 10, and neither is located at the bending position of the forefoot portion of the midsole body 10. The second conduit 22 and the third conduit 23 are hard conduits and do not affect the bending stiffness of the midsole body 10.

[0050] As a preferred embodiment, an entry hole 16 and an extension hole 17 are provided on the left side of the arch portion 2 of the midsole body 10. The inlet conduit 26 is accommodated in the entry hole 16 and fixed to the corresponding midsole body 10; the outlet conduit 27 is accommodated in the extension hole 17 and fixed to the corresponding midsole body 10. The left side of the inlet conduit 26 is connected to the fourth conduit 24, and the right side is connected to the driving member 60; the left side of the outlet conduit 27 is connected to the fifth conduit 25, and the right side is connected to the driving member 60. When the cable 40 extends from the fourth conduit 24 and enters the inlet conduit 26 to connect with the driving member 60, there will be a turn of nearly 90° at the connection between the fourth conduit 24 and the inlet conduit 26. When the cable 40 slides, it will apply greater pressure and friction to the inlet conduit 26 at the connection. The inlet conduit 26 uses a hard conduit, and the cable 40 is not easy to damage the inlet conduit 26 when sliding, thereby improving the stability of the overall operation. The fourth conduit 24 extends in the front-to-back direction and passes through the bending part of the midsole body 10. If the fourth conduit 24 uses a hard conduit, the rigidity of the midsole body 10 will be affected, and it will also be damaged by the bending of the midsole body 10. Therefore, the fourth conduit 24 does not use a hard conduit. When the cable 40 turns to enter the driving member 60, it will apply a large pressure and friction force to the fourth conduit 24 at the turning point, and then damage the midsole body 10 after damaging the fourth conduit 24. Therefore, the fourth conduit 24 does not use a hard conduit, and a hard inlet conduit 26 is set at the turning point where the cable 40 enters the driving member 60. Based on the above principle, the fifth conduit 25 does not use a hard conduit, and a hard outlet conduit 27 is set at the turning point where the cable 40 enters the driving member 60.

[0051] As a preferred embodiment, four first slide grooves 11 are provided in the midsole body 10, which are arranged along the left and right directions of the midsole body 10, and each first slide groove 11 is provided with a first conduit 21, a sliding member 31 and a cable 40. The four first slide grooves 11 are arranged along the left and right directions of the midsole body 10, which does not mean that the four first slide grooves 11 are parallel to each other. The front ends of the four first slide grooves 11 are connected to the second slide groove 12, and the rear ends are connected to the third slide groove 13. The four cables 40 are respectively connected to the relative sliding members 31 and are connected to the driving member 60. When the push switch is operated, the driving member 60 pulls the four cables 40 at the same time, driving the four sliding members 31 to slide forward or backward at the same time. In other embodiments, different numbers of first slide grooves 11 can also be used according to different application scenarios.

[0052] In addition, the present invention also provides a shoe, which comprises the above-mentioned sole.

[0053] The present invention provides a sole capable of adjusting bending stiffness, the sole comprising a midsole body 10, the midsole body 10 being provided with four first slide grooves 11 extending in the front-back direction, and the four first slide grooves 11 being arranged in the left-right direction of the midsole body 10. A sliding member 31 is used to enhance the rigidity of the midsole body 10, and each first slide groove 11 is provided with a sliding member 31 extending in the front-back direction. The bending stiffness of the midsole body 10 mainly depends on the bending stiffness of the forefoot portion 1. When the sliding member 31 is located at the forefoot portion 1 of the midsole body 10, the sliding member 31 is driven to bend together when the midsole body 10 is bent. The rigidity of the sliding member 31 is greater than that of the midsole body 10, and when the sliding member 31 is bent together with the midsole body 10, the bending stiffness of the sole is increased. When the sliding member 31 is located at the front end of the midsole body 10, the sliding member 31 is located at the forefoot portion 1, and the bending stiffness of the sole is increased; when the sliding member 31 is located at the rear end of the midsole body 10, the sliding member 31 is not located at the forefoot portion 1, and the bending stiffness of the sole is reduced. The cable 40 is respectively connected to both ends of each sliding member 31 and is connected to the driving member 60. The driving member 60 drives the sliding member 31 to slide in the first slide groove 11 along the front-back direction by retracting and releasing the cable 40. The driving member 60 is accommodated in the sole body 10. The driving member 60 is a motor. The motor rotates forward or reversely and pulls four cables 40 at the same time to drive the four sliding members 31 to slide in the first slide groove 11 along the front-back direction. The control member 61 is located on the side of the sole body 10. The control member 61 is a push switch. The push switch is operated, and the motor rotates forward to drive the slider 31 to slide to the front end of the first slide groove 11, thereby increasing the bending stiffness of the sole; the push switch is operated again, and the motor rotates reversely to drive the slider 31 to slide to the rear end of the first slide groove 11, thereby reducing the bending stiffness of the sole, and so on. By operating the push switch, the bending stiffness of the sole can be adjusted by the motor, thereby improving the convenience of adjustment. The slider 31 and the cable 40 slide in the midsole body 10 in the front-back direction, and are easily damaged by friction with the midsole body 10. The midsole body 10 is provided with a second slide groove 12, a third slide groove 13, a fourth slide groove 14 and a fifth slide groove 15, and the slide grooves are respectively provided with a second conduit 22, a third conduit 23, a fourth conduit 24 and a fifth conduit 25, and the conduits are fixed to the relative midsole body 10, and the conduits form a connected passage. The sliding member 31 slides in the first conduit 21; the cable 40 at the front end of the sliding member 31 slides in the first conduit 21, the second conduit 22, and the fourth conduit 24, passes through the conduits to be connected to the driving member 60; the cable 40 at the rear end of the sliding member 31 slides in the first conduit 21, the third conduit 23, and the fifth conduit 25, passes through the conduits to be connected to the driving member 60, so that the sliding member 31 and the cable 40 do not directly contact the midsole body 10, and the midsole body 10 is not easily damaged during sliding, thereby improving the durability of the sole.

[0054] The description of the above specification and embodiments is used to explain the protection scope of the present invention, but does not constitute a limitation on the protection scope of the present invention. Through the enlightenment of the present invention or the above embodiments, ordinary technicians in this field can obtain modifications, equivalent substitutions or other improvements to the embodiments of the present invention or part of the technical features thereof through logical analysis, reasoning or limited experiments, which should be included in the protection scope of the present invention.

Claims

1. A shoe sole, characterized in that: include: A midsole body (10) is provided with a first slide groove (11) extending in the front-rear direction; A sliding member (31) for enhancing the rigidity of the sole, extending in the front-rear direction and accommodated in the first sliding groove (11); A cable (40) connected to two ends of the sliding member (31) and extending out of the first sliding groove (11); A driving member (60) is accommodated in the midsole body (10) and is used to pull the cable (40) to drive the sliding member (31) to slide in the first sliding groove (11) along the front-rear direction; and A control member (61) is exposed at the side of the midsole body (10) and is used to control the driving member (60) so that the driving member (60) drives the sliding member (31) to slide forward or backward to the top of the first sliding groove (11).

2. A sole as claimed in claim 1, characterized in that: The driving member (60) is a motor, and the motor drives the sliding member (31) to slide forward or backward by correspondingly rotating forward or reversely.

3. A control element as claimed in claim 2, characterized in that: The control member (61) is a push switch, and each time the control member (61) is pressed, the rotation direction of the motor changes.

4. A sole as claimed in claim 1, characterized in that: It also includes a first conduit (21), which is located in the first slide groove (11) and fixed relative to the midsole body (10), the sliding member (31) slides in the first conduit (21), and the cable (40) extends from the first conduit (21) to be connected to the driving member (60).

5. A sole as claimed in claim 4, characterized in that: The midsole body (10) is further provided with a second slide groove (12), a third slide groove (13), a fourth slide groove (14) and a fifth slide groove (15); the second slide groove (12) is located at the toe position of the forefoot portion (1) and extends in the left-right direction; the third slide groove (13) is located at the heel position of the heel portion (3) and extends in the left-right direction; the fourth slide groove (14) is located at the side of the forefoot portion (1) to the arch portion (2) and extends in the front-back direction; the fifth slide groove (15) is located at the side of the arch portion (2) to the heel portion (3) and extends in the front-back direction; the front end of the first slide groove (11) is connected to the second slide groove (12); the rear end of the first slide groove (11) is connected to the third slide groove (13); the second slide groove (12) is connected to the front end of the fourth slide groove (14); the third slide groove (13) is connected to the rear end of the fifth slide groove (15).

6. A shoe sole as claimed in claim 5, characterized in that: A conduit is installed in each of the slide grooves of the midsole body (10) and is fixed relative to the midsole body (10). The conduits include a second conduit (22), a third conduit (23), a fourth conduit (24) and a fifth conduit (25). The second conduit (22) is installed in the second slide groove (12), the third conduit (23) is installed in the third slide groove (13), the fourth conduit (24) is installed in the fourth conduit (14), and the fifth conduit (25) is installed in the fifth slide groove (15). The cable (40) passes through the conduit and is connected to the driving member (60).

7. A shoe sole as claimed in claim 6, characterized in that: The second conduit (22) is provided with a protruding conduit hole (221), and the front end of the first conduit (21) is sleeved outside the conduit hole (221) and fixed thereto; the third conduit (23) is provided with a protruding conduit hole (231), and the rear end of the first conduit (21) is sleeved outside the conduit hole (231) and fixed thereto.

8. A shoe sole as claimed in claim 7, characterized in that: The arch portion (2) of the midsole body (10) is provided with an inlet conduit (26) and an outlet conduit (27), wherein the inlet conduit (26) connects the fourth conduit (24) and the driving member (60), and the outlet conduit (27) connects the fifth conduit (25) and the driving member (60).

9. A shoe sole as claimed in claim 1, characterized in that: There are a plurality of first slide grooves (11), which are arranged in the left-right direction and are respectively connected to the second slide groove (12) and the third slide groove (13), and each of the first slide grooves (11) is provided with the first conduit (21), the sliding member (31) and the pull cable (40).

10. A shoe, characterized in that: It adopts a sole as described in any one of claims 1 to 9.

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