Height adjustment device and article of footwear comprising same

Abstract

The utility model provides a kind of height adjusting device and the article for containing it, height adjusting device includes main drive part, driven member, lifting member, fixed seat and check disc;Wherein, main drive part is rotatably set on fixed seat, check disc is connected with driven member linkably;Driven member is configured as, when rotating along first direction, lifting member makes ascending motion, and when rotating along second direction, lifting member makes descending motion, first direction and second direction are opposite;Main drive part includes rotation control member, it is operably connected with check disc;Under the action of rotation control member, main drive part can drive check disc and driven member respectively along first direction and second direction rotation and in turn drive lifting member to ascend or descend.The utility model's height adjusting device is along two directions rotation main drive part respectively, and height adjustment can be realized quickly and accurately, operation is simple;Article for containing it has the advantage of simply adjusting insole height.

Description

Technical Field

[0001] This utility model relates to the field of height adjustment technology, and in particular to a height adjustment device and footwear containing the same. Background Technology

[0002] Currently, height adjustment devices are needed in many fields, such as for multi-legged stools, tables, or machine racks, especially for footwear that needs to increase the height of the insole relative to the ground, i.e., have a height-increasing function. Taking current shoes as an example, their height-increasing function is only achieved through hidden thickening of the insole or sole. Users cannot adjust the height themselves, nor can they quickly adjust it according to actual needs, nor can they accurately increase or decrease the specific height value and maintain the corresponding height value during use. Therefore, existing height adjustment devices cannot meet the needs of quick and accurate height adjustment. In particular, existing footwear with height-increasing functions cannot be adjusted to the specific height according to the occasion and the user's real-time needs, failing to achieve the goal of both quick and accurate adjustment and reliable maintenance of a constant height value.

[0003] Therefore, there is an urgent need for a height adjustment device and footwear that is easy to operate and can achieve precise height adjustment. Utility Model Content

[0004] This utility model aims to at least partially solve one of the technical problems in related technologies. Therefore, one objective of this utility model is to provide a height adjustment device, including a main drive member, a driven member, a lifting member, a fixed base, and a check plate; wherein the main drive member is rotatably mounted on the fixed base, the driven member is supported by the fixed base and can rotate relative to the fixed base; the check plate is linkedly connected to the driven member; the driven member is configured such that when it rotates in a first direction, the lifting member moves upward, and when it rotates in a second direction, the lifting member moves downward, wherein the first and second directions are opposite; the check plate includes one or more first check members, and the fixed base is provided with one or more second check members, the second check members cooperating with the first check members to form a check. The component includes a main drive member comprising a rotation control member operably connected to a check disc. When the main drive member is subjected to a driving force in a first direction, the main drive member rotates in the first direction, and the rotation control member is connected to the check disc, causing the main drive member to drive both the check disc and the driven member to rotate in the first direction, thereby causing the lifting member to rise. At the same time, the check disc inhibits the rotation of the check disc and the driven member in a second direction to prevent the lifting member from falling unexpectedly. When the main drive member is subjected to a driving force in the second direction, the rotation control member acts on a first check disc, allowing the check disc to allow the main drive member to drive both the check disc and the driven member to rotate in the second direction, thereby causing the lifting member to fall.

[0005] Preferably, the rotation control component includes a drive block and an offset block. The drive block is fixedly connected to the anti-reverse disc in the axial direction and rotatably connected in the circumferential direction. The offset block is used to drive the first anti-reverse component to deflect.

[0006] The term "fixed connection in the axial direction" means that no relative displacement can occur in the axial direction.

[0007] Preferably, the anti-reverse disc and the driven member can be linked together via meshing teeth. Besides meshing teeth, other linkage methods can also be used.

[0008] Preferably, the upward movement of the lifting component is an incremental upward adjustment, and the downward movement of the lifting component is an incremental downward movement or a free downward movement.

[0009] The "incremental upward movement" and "incremental downward movement" mentioned above both belong to incremental height adjustment. Incremental adjustment refers to an adjustment method that accumulates gradually according to preset units. The specific adjustment range can be determined based on the cumulative total of the preset units, making it a precise adjustment method. For example, a preset unit can refer to the height change caused by the rotation of one tooth groove. "Incremental upward movement" means that the upward height increases gradually according to preset units, and "incremental downward movement" means that the downward height increases gradually according to preset units. Similarly, "incremental rotation" in the following text refers to rotation that is gradually increased according to preset units.

[0010] Preferably, the height adjustment device includes a sound feedback component. When the lifting component performs incremental upward or downward movement, the sound emitted by the sound feedback component can be used to identify the magnitude of the height change of the lifting component.

[0011] Preferably, when the first anti-reverse component and the second anti-reverse component interact regularly, the first anti-reverse component and the second anti-reverse component can serve as sound feedback components.

[0012] Preferably, the main drive component is provided with one or more drive blocks and one or more offset blocks corresponding to the first anti-reverse component. The anti-reverse plate includes a plate body and a first anti-reverse component. The plate body is provided with an opening, multiple through slots and multiple locking plates that protrude relatively from the inner wall of each through slot. The drive block includes a drive plate and a locking block located at the end of the drive plate. Each drive plate is inserted into the corresponding through slot and the locking block is engaged with the locking plate.

[0013] Preferably, when the main drive member rotates along the first direction, the drive plate applies a force along the first direction to the first groove wall located downstream of the first direction in the circumferential direction, thereby driving the anti-reverse disc to rotate along the first direction; when the main drive member is subjected to a driving force along the second direction, the offset block applies an offset force to the corresponding first anti-reverse member, causing the first anti-reverse member to shift and thus disengage from the second anti-reverse member. The "shift" can refer to displacement due to elastic deformation or to offset displacement.

[0014] Preferably, the check disc is configured as a ratchet disc, which includes a disc body and one or more ratchet pawls. The ratchet pawl is a first check member, and the ratchet pawl includes a ratchet arm and a ratchet end. The ratchet end cooperates with a second check member, and the angle between the ratchet arm and the outer peripheral surface of the disc body is 0 to 60°.

[0015] Preferably, the pawl disk has multiple pawls, and multiple offset blocks are provided, each corresponding to one of the pawls. Each pawl has an arc-shaped groove formed between itself and the outer peripheral surface to provide space for the elastic deformation of the pawl. The multiple offset blocks are located on the side of the pawl facing away from the disk body.

[0016] Preferably, when the main drive member is subjected to a driving force in the first direction, the pawl is deflected radially by the action of the second anti-reverse member, thereby moving towards the arc groove and approaching the disc, so that the pawl can disengage from the second anti-reverse member and engage with the next adjacent second anti-reverse member under the action of the restoring force; when the main drive member is subjected to a driving force in the second direction, the force applied by the offset block to the pawl causes the pawl to deflect radially and slide along the second anti-reverse member or directly disengage from the engagement with the second anti-reverse member.

[0017] Preferably, when the main drive component rotates along the first direction, the drive block is linked with the anti-reverse disc, thereby driving both the anti-reverse disc and the driven component to rotate incrementally along the first direction, thus causing the lifting component to perform incremental upward motion. Here, "when the main drive component rotates along the first direction, the drive block is linked with the anti-reverse disc" can mean that the drive block and the anti-reverse disc are already in a linked state at the instant the main drive component rotates along the first direction; or it can mean that the main drive component rotates along the first direction for a certain period of time, and the drive block rotates a certain distance relative to the anti-reverse disc before the drive block is linked with the anti-reverse disc.

[0018] Preferably, when the main drive component rotates in the second direction, the bias block acts on the first anti-reverse component to gradually disengage it from the second anti-reverse component. At the same time, the anti-reverse disc and the driven component rotate incrementally in the second direction, thereby driving the lifting component to perform incremental downward motion.

[0019] Preferably, when the main drive component rotates in the second direction, the offset block acts on the first anti-reverse component, causing it to directly disengage from the second anti-reverse component. Simultaneously, the drive block is linked with the anti-reverse disc. Furthermore, the drive block drives the anti-reverse disc and the driven component to rotate in the second direction, enabling the lifting component to descend freely. Here, the "linkage between the drive block and the anti-reverse disc" and the "disengagement of the first anti-reverse component from the second anti-reverse component" occur simultaneously; both are indispensable.

[0020] Preferably, the anti-reverse disc further includes a disc body. When the main drive component rotates in the second direction, the bias block acts on the first anti-reverse component, causing it to directly disengage from the second anti-reverse component and abut against the disc body. In turn, the bias block drives the anti-reverse disc and the driven component to rotate in the second direction, thereby realizing the free descent of the lifting component.

[0021] Preferably, the pawl includes one or more elastic pawl arms extending along the outer periphery of the disc body and a pawl end provided at the free end of the pawl arm. The second anti-reverse member is a ratchet tooth or a tooth groove provided on the fixed seat, with a tooth groove between each pair of adjacent ratchet teeth, and the pawl end is adapted to the shape of the tooth groove.

[0022] During the process of the main drive component being driven by a driving force in the first direction, the pawl arm is displaced towards the arc-shaped groove by the action of the ratchet on the adjacent upstream side, causing the pawl end to slide away from the ratchet groove on the upstream side. At the same time, under the action of the restoring force of the pawl arm, the pawl end enters the adjacent downstream groove, accompanied by a collision sound as the pawl end abuts against the ratchet under the action of the restoring force, until the lifting component rises to the position; since the pawl end is located in the groove and is abutted by the side wall of the groove, the lifting height is locked.

[0023] During the process of the main drive component being driven by a force in the second direction, when the pawl arm is subjected to the pressing force of the adjacent offset block, the pawl undergoes a radially inward offset, causing the pawl tip to gradually disengage from the ratchet tooth groove. The radially inward offset of the pawl arm causes the pawl tip to reciprocate radially away from the root circle of each ratchet tooth, beyond the tip circle, and then back towards the root circle, thereby sequentially disengaging from the upstream tooth groove and entering the downstream tooth groove. This is accompanied by a collision sound as the pawl tip jumps from the ratchet tooth tip into the tooth groove under the action of the restoring force, until the lifting component descends to its final position. Because the pawl tip is located in the tooth groove and is pressed against the side wall of the tooth groove, the descent height is locked. The collision sound emitted when the pawl tip jumps from the ratchet tooth tip into the tooth groove constitutes the sound source of the sound feedback mechanism. The pawl tip and the ratchet / tooth groove constitute the sound feedback component, allowing the user to identify the degree of height adjustment through this sound.

[0024] During the process of the main drive component being driven by a driving force in the second direction, when the pawl arm is subjected to the pressing force of the adjacent offset block, it can also undergo large elastic deformation or deflection, so as to directly disengage from the engagement with the ratchet tooth groove. At this time, the driving force in the second direction continues to be applied to the main drive component. Since there is no contact or interaction between the end of the pawl and the ratchet, no sound will be made. The user cannot judge the specific amount of height reduction. This height adjustment method is a free adjustment of the descent height.

[0025] The core difference between incremental and free adjustment of descent height lies in whether the pawl tip interacts or contacts the ratchet teeth or grooves. Whether the pawl tip interacts with the ratchet teeth or grooves depends on the actual offset of the pawl arm. This offset is related to various factors such as the elastic deformation capacity of the pawl arm, the shape of the pressure block, the shape of the bias block, and the magnitude of the driving force. If the pawl arm deflects significantly at the beginning of the driving force and directly disengages from the ratchet teeth or grooves, then during the continuous application of the driving force, the pawl tip and the ratchet teeth or grooves will no longer interact or contact, resulting in no sound and constituting free adjustment of descent height. Conversely, if the pawl arm gradually disengages from the ratchet teeth or grooves under the biasing force of the bias block, and the two re-engage under the action of the restoring force, repeatedly engaging and disengaging with a knocking sound, then it constitutes incremental adjustment of descent height. Therefore, the pawl tip and ratchet / groove may or may not constitute a sound feedback component, depending on the specific situation and structure.

[0026] In this application, in addition to applying external force through the main drive component to adjust the height of the lifting component, external force can also be applied to the height adjustment device through the lifting component. The most common way is to apply pressure to the lifting component. The "height locking" in this application means that when pressure is applied to the lifting component, the anti-reverse component can suppress the anti-reverse disc from rotating in the second direction, thereby preventing the lifting component from descending arbitrarily even under pressure, thus achieving the locking of the predetermined height.

[0027] Preferably, a pressure block is provided on the side of the pawl arm facing away from the disc body, and the bias block acts on the pressure block to drive the pawl arm to deflect.

[0028] Preferably, the pawl is connected to the pawl disc body via a connecting end, and the pressure block is located between the connecting end and the end of the pawl.

[0029] Preferably, the bias block includes an abutment portion, and the side of the pressure block facing the connection end is set as a ramp surface, the bias block abuts against the ramp surface and acts on the pawl arm.

[0030] Preferably, the main drive component is configured as a main rotating disk, which includes a disk portion and an annular disk portion extending vertically around the edge of the disk portion. A drive block and an offset block are disposed on the inner surface of the disk portion. The disk portion is provided with a disk through hole. The lifting component includes a lifting rod and a lifting head fixedly connected to the rod end of the lifting rod. The lifting rod passes through the fixed seat, the opening and the disk through hole. The lifting head is lifted and lowered relative to the outside of the disk portion.

[0031] Preferably, multiple through slots are evenly distributed in the disk body in the circumferential direction relative to the central axis of the opening, multiple pawl arms are evenly distributed in the circumferential direction relative to the central axis of the opening on the outer surface of the disk body, multiple drive blocks correspond one-to-one with multiple through slots and are evenly distributed in the circumferential direction relative to the central axis of the disk through hole on the inner surface of the disk portion, and multiple offset blocks are correspondingly positioned to the outer wall of multiple pawl arms and are evenly distributed in the circumferential direction relative to the central axis of the disk through hole on the inner surface of the disk portion.

[0032] Preferably, a handle is provided on the periphery of the main drive component for applying external force to the main drive component.

[0033] Preferably, the fixing seat includes a sleeve, which includes a peripheral shell, a partition, and a bottom shell. The peripheral shell forms an inner cavity, and the partition is horizontally arranged in the inner cavity, dividing it into an upper chamber and a lower chamber. An inner ratchet is provided on the inner peripheral wall of the upper chamber located above the partition, and a ratchet pawl is located above the partition. The partition has a plate hole, and the driven tooth protrudes from the plate hole.

[0034] Preferably, the circumferential shell can be constructed as a cylinder or a rounded-corner prism; the bottom shell can be constructed as a spherical crown or a planar shape. The cross-section of the rounded-corner prism is preferably a rounded rectangle.

[0035] Preferably, the driven member is configured as a rotating wheel, which is disposed in the lower chamber. The rotating wheel includes a hub, a driven tooth on the top of the hub, and a driving tooth on the side of the pawl disc opposite to the main rotating disc. The driving tooth meshes with the driven tooth to achieve a linkage connection between the pawl disc and the rotating wheel. A concave ring is provided at the upper end of the hub, and multiple protrusions are provided on the edge of the partition plate surrounding the plate hole. The protrusions abut against the end face of the concave ring. In other embodiments, the protrusions may not be provided.

[0036] Preferably, the wheel hub is provided with a threaded through hole having a first thread, and the lifting rod is provided with a second thread that is helically connected to the first thread.

[0037] Preferably, multiple fastening positions are provided on the inner circumferential surface of the annular portion of the main rotating disk, and a ring of fastening protrusions is provided on the cylindrical shell, with the fastening positions and fastening protrusions interlocking.

[0038] Preferably, when the sleeve is cylindrical, a positioning protrusion is provided on the outer surface of the sleeve for positioning the sleeve.

[0039] Preferably, the height adjustment device further includes an anti-rotation component, a second anti-reverse component is disposed on the sleeve, the main drive component is rotatably disposed on the sleeve, and an anti-rotation component is provided on the inner surface of the bottom shell of the cylinder. The anti-rotation component is used to prevent the lifting component from rotating and to allow the lifting component to perform lifting and lowering movements. The lifting component cannot rotate relative to the bottom shell of the cylinder.

[0040] Preferably, the lifting rod is provided with an anti-rotation hole that runs through the central axis of the rod. The anti-rotation component includes an anti-rotation rod, which is disposed on the bottom shell of the cylinder and inserted into the anti-rotation hole. The anti-rotation rod and the anti-rotation hole abut against each other to prevent the lifting rod from rotating while allowing lifting and lowering movements.

[0041] Preferably, the check disc includes an arc-shaped through groove, and the drive block and the through groove have a circumferential gap in the circumferential direction. The drive block is configured to rotate in the circumferential gap in a first direction or a second direction. When the drive block acts on the first groove wall, the check disc is driven to rotate in the first direction; when the drive block acts on the second groove wall, the check disc can be driven to rotate in the second direction.

[0042] To achieve another objective of this utility model, a footwear article is provided, including a sole and an insole, and further including a support block and any of the above height adjustment devices, wherein the support block is located below the insole, the height adjustment device is located below the support block, and the main drive component of the height adjustment device partially protrudes from the side wall of the sole, and the lifting component is connected to the support block, thereby adjusting the height of the insole by lifting the support block.

[0043] Preferably, the sole has a mounting groove for accommodating a mounting base for a height adjustment device, which is then embedded in the mounting groove and fixed to the sole.

[0044] Preferably, the lifting component includes a lifting head, and the height adjustment device is connected to the support block through the lifting head.

[0045] Preferably, the support block is made of elastic materials such as PA, TPU, silicone, or rubber, and the support block includes pleats that can stretch or contract according to the raising or lowering of the lifting component.

[0046] Preferably, the support block can be integrally molded; alternatively, it can include two components: an intermediate block and folds, which are molded separately and then connected together.

[0047] Preferably, the lifting head includes a latching protrusion structure, the support block is provided with a latching groove, and the lifting head and the support block are detachably connected through the latching protrusion-lattice structure.

[0048] Preferably, the card protrusion can be constructed as a spherical band or a spherical structure.

[0049] The beneficial effects of this utility model are as follows:

[0050] 1. The height adjustment device and footwear containing the present invention utilize a rotation control component of the main drive member operably connected to a check disc. When the main drive member rotates in the first direction, the rotation control component connects to the check disc. The check disc allows the main drive member to drive both the check disc and the driven component to rotate in the first direction, thereby raising the lifting component, while simultaneously inhibiting the driven component from rotating in the second direction to prevent accidental descent of the lifting component, thus maintaining the raised position of the lifting component. Therefore, the height of the lifting component can be adjusted conveniently and accurately. When the main drive member is subjected to a driving force in the second direction, the rotation control component acts on the first check disc. The check disc allows the main drive member to drive both the check disc and the driven component to rotate in the second direction, thereby lowering the lifting component. Correspondingly, when the lifting component has lowered to its position and the driving force in the second direction is stopped, the check disc resumes its function of inhibiting the driven component from rotating in the second direction to prevent accidental descent of the lifting component, thus maintaining the lowered position of the lifting component. Therefore, the height of the lifting component can also be adjusted conveniently and accurately.

[0051] 2. The height adjustment device in this utility model can achieve height adjustment by driving the main drive component to rotate in the first direction and the second direction respectively. It is convenient and simple to operate and more user-friendly.

[0052] 3. The preferred embodiment of the height adjustment device of this utility model adopts an incremental height adjustment method to achieve precise adjustment of the rising and / or falling height; it can also identify the specific range of height adjustment through sound, which better meets the user's needs for precise height adjustment. Attached Figure Description

[0053] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments of this utility model will be briefly introduced below. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort, and these are all within the protection scope of this utility model.

[0054] Figure 1 This is an exploded view of one embodiment of the height adjustment device of this utility model;

[0055] Figure 2 This is an assembly diagram of the height adjustment device of this utility model from one perspective;

[0056] Figure 3 This is an assembly diagram of the height adjustment device of this utility model from another perspective;

[0057] Figure 4 This is a schematic diagram of the main drive component of the height adjustment device of this utility model in the upward axis direction;

[0058] Figure 5 This is a schematic diagram of the driven component of the height adjustment device of this utility model in the top axial direction;

[0059] Figure 6 This is a schematic diagram of the driven component of the height adjustment device of this utility model in the upward axis direction;

[0060] Figure 7 This is a schematic diagram of the lifting component of the height adjustment device of this utility model from a top-view axial direction;

[0061] Figure 8 This is a schematic diagram of the lifting component of the height adjustment device of this utility model from the upward axis direction;

[0062] Figure 9 This is a schematic diagram of the structure of the fixing seat of the height adjustment device of this utility model in the top axial direction;

[0063] Figure 10 yes Figure 9 A front view of the mounting bracket shown;

[0064] Figure 11 yes Figure 10 The schematic cross-sectional view of the mounting base along the AA direction is shown.

[0065] Figure 12 This is a schematic diagram of the anti-reverse disc of the height adjustment device of this utility model in the top axial direction;

[0066] Figure 13 This is a schematic diagram of the anti-reverse disc of the height adjustment device of this utility model in the direction of looking up along the axis.

[0067] Figure 14 yes Figure 2 A front view schematic diagram of the height adjustment device shown;

[0068] Figure 15 yes Figure 14 A cross-sectional view along the BB direction of the lifting component in the height adjustment device shown, when it is not raised.

[0069] Figure 16 yes Figure 14 A cross-sectional view along the BB direction of the lifting component in the height adjustment device shown, with the component in the raised state.

[0070] Figure 17 This is a schematic diagram of the state changes of the first embodiment of the height adjustment device of this utility model when the main drive component rotates along the first direction to achieve incremental adjustment of the rising height, wherein (a) is the original state, (b) is the intermediate position, (c) is the critical position, and (d) is the re-engagement state.

[0071] Figure 18 This is a schematic diagram of the state changes of the height adjustment device of this utility model when the main drive component rotates along the second direction to achieve incremental adjustment of the descent height, wherein (a) is the original state, (b) is the intermediate position, (c) is the critical position, and (d) is the re-engagement state;

[0072] Figure 19 yes Figure 18 A magnified view and force analysis diagram of a portion of point A;

[0073] Figure 20 yes Figure 18 A magnified view and force analysis diagram of a portion of point B;

[0074] Figure 21 yes Figure 18 A magnified view and force analysis diagram of a portion of point C;

[0075] Figure 22 This is a schematic diagram of the state changes of the second embodiment of the height adjustment device of this utility model when the main drive component rotates along the second direction to achieve incremental adjustment of the descent height, wherein (a) is the original state, (b) is the intermediate position, (c) is the critical position, and (d) is the re-engagement state;

[0076] Figure 23 This is a schematic diagram of the state change of the height adjustment device of the present invention in the third embodiment, where the main drive component rotates along the second direction to achieve free adjustment of the descent height, wherein (a) is the original state and (b) is the equilibrium position;

[0077] Figure 24 This is a schematic diagram of the state change of the fourth embodiment of the height adjustment device of this utility model when the main drive component rotates along the second direction to achieve free adjustment of the descent height, wherein (a) is the original state and (b) is the equilibrium position;

[0078] Figure 25 This is a schematic diagram of another embodiment of the lifting component of the height adjustment device of this utility model;

[0079] Figure 26 This is a schematic diagram of another embodiment of the main drive component of the height adjustment device of this utility model;

[0080] Figure 27 This is a schematic diagram of another embodiment of the fixing seat of the height adjustment device of this utility model;

[0081] Figure 28 yes Figure 27 A structural schematic diagram of the mounting bracket from another perspective;

[0082] Figure 29This is an exploded view of some components of the footwear article of this utility model;

[0083] Figure 30 This is a schematic diagram of the structure of another embodiment of the sole of the footwear article of this utility model;

[0084] Figure 31 This is a schematic diagram of another embodiment of the support block for footwear of this utility model;

[0085] Figure 32 yes Figure 29 The diagram shows an assembly of the footwear item corresponding to the lifting component of the height adjustment device in the non-lifted state.

[0086] Figure 33 yes Figure 32 A top-down view;

[0087] Figure 34 yes Figure 33 Cross-sectional view along the CC direction;

[0088] Figure 35 yes Figure 33 Cross-sectional view along the DD direction;

[0089] Figure 36 yes Figure 29 The diagram shows an assembly of the footwear item corresponding to the lifting component of the height adjustment device in the raised state.

[0090] Figure 37 yes Figure 36 A top-down view;

[0091] Figure 38 yes Figure 37 A cross-sectional view along the EE direction.

[0092] Explanation of icon numbers:

[0093] 10. Height adjustment device; 1. Main drive component; 11. Drive block; 111. Drive plate; 112. Locking block; 12. Offset block; 121. Abutment part; 13. Disc part; 131. Disc through hole; 14. Ring disc part; 141, 141', Handle; 142. Snap-on part;

[0094] 2. Driven component; 21. Hub; 211. Concave ring; 22. Driven tooth; 23. First thread; 24. Threaded through hole;

[0095] 3. Lifting component; 31. Lifting rod; 32, 32', Lifting head; 321. Groove; 33. Second thread; 34. Anti-rotation hole;

[0096] 4. Fixed seat; 41. Inner ratchet; 411. Racket tooth; 412. Tooth groove; 421, 421', cylindrical peripheral shell; 422. Partition plate; 4221. Plate hole; 423. Cylindrical bottom shell; 43. Inner cavity; 44. Protrusion; 45. Snap-in protrusion; 46. Positioning protrusion;

[0097] 5. Check disc / Pawl disc; 51. Disc body; 511. Opening; 512. Through groove; 5121. First groove wall; 5122. Second groove wall; 513. Clamping plate; 52. Pawl; 521. Pawl arm; 522. Pawl end; 523. Connecting end; 524. Pressure block; 5241. Sloping surface; 53. Driving tooth; 54. Arc groove;

[0098] 6. Anti-rotation component; 61. Anti-rotation rod;

[0099] 100. Footwear; 20. Shoe sole; 201, 201', Mounting groove; 202, Positioning groove; 30. Support block; 301. Intermediate block; 302. Crease; 40. Insole. Detailed Implementation

[0100] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein the same or similar reference numerals denote the same or similar parts or parts having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0101] It should be understood that the terms "upper", "lower", "left", "right", "front", "back", "length", "width", "horizontal", "vertical", "top", "bottom", "inner", and "outer" used in the description of this utility model to indicate the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings. They are intended to facilitate the description of this utility model and simplify the description, and should not be construed as a limitation that the device or component referred to must have a specific orientation or positional relationship.

[0102] Furthermore, the terms "first" and "second" are used solely for distinguishing purposes and do not imply relative importance, nor do they indicate or suggest the number of technical features. Therefore, a feature defined by "first" or "second" may explicitly or implicitly indicate that there is one or more of that feature. In the description of this utility model, "multiple" means two or more, unless otherwise explicitly defined.

[0103] Unless otherwise expressly specified, the terms "connection" and "fixation" in this utility model should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integrally formed connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0104] The height adjustment device of this utility model and footwear containing the same are described in detail below with reference to the accompanying drawings and specific embodiments.

[0105] Referring to Figures 1 to 22, as an objective of this utility model, a height adjustment device 10 is provided, including a main drive member 1, a driven member 2, a lifting member 3, a fixed base 4, and a check plate 5. The main drive member 1 is rotatably mounted on the fixed base 4, and the driven member 2 is supported by the fixed base 4 and can rotate relative to it. The check plate 5 is linked to the driven member 2. The driven member 2 is configured such that when it rotates in a first direction, the lifting member 3 moves upward, and when it rotates in a second direction, the lifting member 3 moves downward, wherein the first and second directions are opposite. The check plate 5 includes one or more first check members, and the fixed base 4 is provided with one or more second check members. The fixed base 4 acts as a stator, and the second check members cooperate with the first check members to form a check assembly. The correspondence between the rotation direction of the main drive member 1 and the lifting movement of the lifting member 3 is related to the check direction of the check assembly in the height adjustment device 10. The main drive member 1 also includes a rotation control member, which is operably connected to the check plate 5. When the main drive member 1 is subjected to a driving force in the first direction, the main drive member 1 rotates in the first direction, causing the rotation control member to connect with the anti-reverse disc 5. The anti-reverse assembly then allows the main drive member 1 to drive the anti-reverse disc 5 and the driven member 2 to rotate in the first direction, thereby causing the lifting member 3 to rise. Simultaneously, the anti-reverse assembly inhibits the driven member 2 from rotating in the second direction to prevent the lifting member 3 from accidentally descending. When the main drive member 1 is subjected to a driving force in the second direction, the rotation control member acts on the first anti-reverse member, causing the anti-reverse assembly to allow the main drive member 1 to drive the anti-reverse disc 5 and the driven member 2 to rotate in the second direction, thereby causing the lifting member 3 to descend.

[0106] Therefore, the height adjustment device 10 provided by this utility model utilizes the rotation control component of the main drive member 1 to be operably connected to the anti-reverse disc 5. Thus, when the main drive member 1 rotates in the first direction, the rotation control component is connected to the anti-reverse disc 5. The anti-reverse component allows the main drive member 1 to drive the anti-reverse disc 5 and the driven member 2 to rotate in the first direction, thereby driving the lifting member 3 to rise, while suppressing the driven member 2 to rotate in the second direction to prevent the lifting member 3 from falling unexpectedly. This maintains the rising position of the lifting member 3, thus allowing for convenient and accurate adjustment of the rising height of the lifting member 3. When the main drive component 1 is subjected to a driving force along the second direction, the rotation control component acts on the first anti-reverse component. The anti-reverse component allows the main drive component 1 to drive the anti-reverse disc 5 and the driven component 2 to rotate along the second direction, thereby driving the lifting component 3 to descend. Correspondingly, when the lifting component 3 has descended to its position, the external force applied to the main drive component 1 is stopped. At this time, the rotation control component no longer acts on the first anti-reverse component. The anti-reverse component then inhibits the driven component 2 from rotating along the second direction to prevent the lifting component 3 from descending unexpectedly, thereby maintaining the descending position of the lifting component 3. Thus, the descending height of the lifting component 3 can be adjusted conveniently and accurately.

[0107] Please refer to the reference. Figure 4 Preferably, the rotation control component includes a drive block 11 and an offset block 12. Since the rotation control component adopts two block structures, namely the drive block 11 that can provide driving force to the anti-reverse disc 5 and the offset block 12 that can apply offset force to the first anti-reverse component, the structure is simplified and the applied force is precise.

[0108] Please refer to the reference. Figures 15 to 24Preferably, the lifting height of the lifting member 3 is adjustable in increments, and the lowering height of the lifting member 3 is adjustable in increments or freely. Specifically, when the first anti-reverse member sequentially disengages from, re-engages with, disengages from, and re-engages with multiple second anti-reverse members along a first or second direction, allowing the anti-reverse disc and driven member to rotate in the corresponding direction, the driven member then drives the lifting member 3 to rise or fall. At this time, a crisp "click-click" sound can be heard from the first anti-reverse member acting on the second anti-reverse members. Therefore, the height of the rise or fall can be identified by sound during the lifting member's ascent or descent, i.e., the height is adjusted incrementally or precisely. Each "click" sound represents a change in the lifting member's distance by a preset unit, thus facilitating accurate adjustment of the height reached during ascent or descent. Another scenario is when the main drive component 1 is subjected to an external force along the second direction, and the first anti-reverse component directly disengages from the second anti-reverse component under the action of the offset block 12. Since the first anti-reverse component does not engage and disengage from the second anti-reverse component repeatedly, it will not emit a crisp "click" sound. Since the specific value of the height adjustment cannot be accurately determined by the sound, the height adjustment method in this scenario is free adjustment. This adjustment method is particularly suitable for situations where the single adjustment lowers the height by a large value and there is no specific requirement for adjustment accuracy.

[0109] More preferably, for adjusting the rise and fall of the lifting member 3, during the adjustment process, except for the process in which the first anti-reverse member disengages from or gradually disengages from the cooperation with the second anti-reverse member due to offset, the anti-reverse component prevents the first anti-reverse member from rotating in the second direction. Therefore, the adjustment of the rising height and the adjustment of the falling height are both incremental adjustments and locked.

[0110] Example 1

[0111] Please refer to the reference. Figure 4 , Figure 12 and Figure 13Preferably, the main drive member 1 is provided with one or more drive blocks 11 and one or more offset blocks 12 corresponding to the first anti-reverse member. The anti-reverse disc 5 is constructed as a ratchet disc 5. The ratchet disc 5 includes a disc body 51 and a first anti-reverse member. The disc body 51 is provided with an opening 511, a plurality of through slots 512 and a plurality of locking plates 513 that protrude relatively from the inner wall of each through slot 512. The drive block 11 includes a drive plate 111 and a locking block 112 provided at the end of the drive plate 111. Each drive plate 111 is inserted into the corresponding through slot 512 and the locking block 112 is engaged with the locking plate 513. The drive block 11 and the ratchet disc 5 are fixedly connected in the axial direction and rotatably connected in the circumferential direction. Since each drive plate 111 and the anti-reverse disc 5 are fixed by the locking block 112 and the locking plate 513, they can be fixedly connected in the axial direction. Since the groove spacing of each through groove 512 in the circumferential direction is preferably set to be greater than the width of the corresponding drive plate 111, it is not only convenient for the drive plate 111 to be inserted into the through groove 512, but the groove spacing can also provide the drive block 11 with the circumferential movement space, thereby providing sufficient displacement distance for the offset block 12 to act on the first anti-reverse component. It can also provide multiple connection methods for the linkage between the drive block 11 and the ratchet disc 5.

[0112] Please refer to the reference. Figure 4 , Figure 12 and Figure 13 Preferably, when the main drive member 1 is subjected to a driving force along the first direction, the drive plate 111 applies a first force along the first direction to the first groove wall 5121 of the through groove 512 located downstream of the first direction in the circumferential direction, thereby driving the ratchet disk 5 to rotate along the first direction. When the main drive member 1 is subjected to a driving force along the second direction, the biasing block 12 applies a biasing force to the corresponding first anti-reverse member, causing the first anti-reverse member to deviate and thus disengage from the second anti-reverse member. In other words, when the main drive member 1 is subjected to a driving force along the first direction, the drive plate 111 acts on the first groove wall 5121 to make the drive block and the pawl disk 5 work together to drive the pawl disk 5 to rotate along the first direction; when the main drive member 1 is subjected to a driving force along the second direction, the bias block 12 can apply biasing force to the corresponding first anti-reverse member and drive the pawl disk 5 to rotate along the second direction. Thus, the drive plate 111 can drive the pawl disk 5 to rotate along the second direction without acting on the second groove wall 5122 which is circumferentially opposite to the first groove wall 5121.

[0113] Please refer to the reference image. Figure 9 , 12 to Figure 13Preferably, a plurality of pawls 52 are provided on the outer peripheral surface of the disc body 51. The pawls 52 are first anti-reverse components. The fixing seat 4 is provided with ratchet teeth 411. The ratchet teeth 411 or tooth grooves 412 are second anti-reverse components. There are a plurality of offset blocks 12 corresponding to the pawls 52 one by one. Each pawl 52 and the outer peripheral surface are correspondingly formed with an arc-shaped groove 54 for the pawl 52 to be offset in the radial direction. The arc-shaped groove 54 can provide the corresponding first anti-reverse component with a displacement space in the radial direction away from the second anti-reverse component. The plurality of offset blocks 12 are provided on the side of the pawl 52 facing away from the disc body 51. Therefore, the offset blocks 12 can apply a pressure force in the radial direction to the outer wall of the corresponding pawl 52 facing away from the arc-shaped groove 54, which is beneficial to reliably control the offset of the pawl 52. More preferably, the pawl 52 includes one or more elastic pawl arms 521 extending and connected to the outer periphery of the disc body 51, and a pawl end 522 disposed at the free end of the pawl arm 521. The pawl 52 is connected to the disc body 51 through a connecting end 523. The second anti-reverse component is a ratchet tooth 411 or a tooth groove 412 disposed on the fixed base 4. Each pair of adjacent ratchet teeth 411 has a tooth groove 412. Preferably, the pawl arm 521 extends obliquely toward the tooth groove 412, and the angle between the pawl arm and the outer periphery of the disc body is 0~60°. With this design, the pawl-ratch (tooth groove) assembly has good anti-reverse performance, the pawl also has good offset clearance capability, and it is also convenient to set the corresponding ratchet tooth shape. More preferably, the pawl end 522 is cylindrical, the tooth shape of the ratchet tooth 411 is straight, and the shape of the pawl end 522 is adapted to the tooth groove 412.

[0114] During the process of the main drive component 1 being driven by a force along the first direction, the pawl arm 521 is subjected to the action of the ratchet 411 on its adjacent upstream side, causing the pawl arm 521 to move towards the inner side of the arc-shaped groove 54. This relatively reduces the activity space formed by the arc-shaped groove 54, causing the pawl end 522 to slide along the ratchet wall located on its upstream side in the first direction and gradually disengage from the groove 412. When the pawl end 522 is at the critical position of abutting the tip of the ratchet, under the restoring force of the elastic arm, the pawl end 522 quickly jumps to the... The pawl end 522 engages with the adjacent downstream tooth groove 412, accompanied by a "click" sound as the pawl end 522 abuts against the next tooth groove 412. The user can identify a unit change in the lifting height by this sound. Repeating the above process, the user can determine the total increase in height by the intermittent "click" sound until the lifting component 3 rises to the position. At this time, the pawl end 522 is located in the tooth groove 412 and is abutted against the side wall of the tooth groove to achieve height locking. The height locking during the descent process described below can also be understood and implemented by referring to this method. More specifically, for adjusting and locking the lifting height, each drive block 11 abuts against the first groove wall 5121 of the corresponding through groove 512 and transmits rotational force, so that the main drive 1 drives the anti-reverse disc 5 and the driven member 2 to rotate synchronously. The driven member rotating in the first direction then drives the lifting member 3 to rise. When the lifting member 3 rises to the desired height or the highest height, the drive of the main drive 1 is stopped. At this time, the pawl end 522, which engages with the ratchet groove, prevents the anti-reverse disc 5 from rotating in the second direction under the anti-reverse action of the groove. Therefore, even if pressure is applied to the lifting member 3, the lifting member 3 cannot descend, and the lifting height of the lifting member 3 is thus maintained, thereby achieving the locking of the predetermined height.

[0115] During the process of the main drive component 1 being driven by the second direction, when the pawl arm 521 is subjected to the pressing force of the adjacent bias block 12, the pawl 52 deflects radially inward, causing the pawl end 522 to gradually disengage from the ratchet groove; the radial inward deflection of the pawl arm 521 causes the pawl end 522 to make a reciprocating motion in the radial direction away from the tooth root circle of each ratchet 411 and beyond the tooth tip circle and back towards the tooth root circle, thereby sequentially disengaging from the upstream tooth groove 412 and entering the downstream tooth groove 412, accompanied by the collision sound emitted when the pawl end 522 jumps from the ratchet tooth tip into the tooth groove under the action of the restoring force, until the lifting component 3 descends to the position, so that the pawl end 522 is located in the tooth groove 412 and is abutted by the tooth groove sidewall to lock the descent height. Users can judge the degree of height adjustment by the collision sound made when the pawl tip jumps from the ratchet tooth tip to the tooth groove, so this adjustment method belongs to incremental height adjustment. In another embodiment, when the main drive member is subjected to driving force in the second direction, when the pawl arm is subjected to the pressing force of the adjacent offset block, the pawl arm undergoes a large elastic deformation or deflection, causing it to directly disengage from the ratchet tooth groove. At this time, if driving force in the second direction is continued to be applied to the main drive member, since there is no contact between the pawl tip and the ratchet tooth, no sound will be made, and the user cannot judge the specific degree of height reduction. Therefore, this height adjustment method is free adjustment of the descent height.

[0116] Therefore, when the pawl end 522, which is located at the free end of the pawl arm 521, is biased by the ratchet tooth 411, the pawl end 522 can gradually disengage from the tooth groove 412, thereby enabling the pawl disc 5 and the driven member 2 to rotate synchronously in the first direction to drive the lifting member 3 to rise; when the pawl end 522 is subjected to the action of the bias block 12, causing the pawl end 522 to disengage from the tooth groove 412, the pawl disc 5 and the driven member 2 can rotate synchronously in the second direction to drive the lifting member 3 to fall.

[0117] For a further preferred embodiment, please refer to the reference. Figure 4 , Figure 12 and Figure 13A pressure block 524 is provided on the side of the pawl arm 521 facing away from the disc body 51. The pressure block 524 is located between the connecting end 523 and the pawl end 522. The bias block 12 includes an abutment portion 121. Preferably, the side of the pressure block 524 facing the connecting end 523 is set as a ramp surface 5241. The ramp surface 5241 and the extension direction of the pawl arm 521 are preferably obtuse angles. The bias block 12 abuts against the ramp surface 5241 and acts on the pawl arm 521. This is beneficial for the bias block 12 to apply a force to the pawl arm 521 as the main drive member 1 rotates in the second direction, so that the pawl end 522 abuts against the ratchet tooth groove. When the main drive member 1 is subjected to a driving force in the second direction, the abutment portion 121 presses against the ramp surface 5241 and slides along the ramp surface 5241, thereby applying a resisting force to the pawl 52. The pressure can cause the pawl arm 521 to deflect (elastic deformation or deflection), thereby disengaging the pawl end 522 from the tooth groove 412.

[0118] In the preferred embodiment, please refer to Figures 17 to 24 The first direction can be clockwise, and the second direction can be counterclockwise. When the main drive member 1 is subjected to a clockwise driving force, the pawl 52 undergoes radial elastic deformation due to the action of the ratchet groove, thereby displacing towards the interior of the arc-shaped groove 54 and moving closer to the disc 51. This allows the pawl 52 to disengage from the ratchet groove and re-engage with the next adjacent ratchet groove under the action of elastic restoring force. On the other hand, when the lifting member 3 is subjected to downward pressure, it transmits a force to the driven member 2 to rotate counterclockwise. The driven member 2 transmits this force to the pawl disc 5. With the engagement of the pawl 52 and the ratchet groove, the counterclockwise rotation of the pawl disc 5 is prevented, thus preventing the driven member 2 from rotating counterclockwise, and the height of the lifting member 3 remains locked.

[0119] When the main drive component 1 is subjected to a driving force in the counterclockwise direction, under the biasing force applied by the offset block 12 to the pawl 52, or the additional reaction force of the ratchet groove, the pawl 52 is offset radially and slides along the wall of the ratchet groove or directly disengages from the ratchet groove. Therefore, by correspondingly setting an offset block 12 near each pawl, the force applied by the offset block 12 can cause the pawl to offset radially inward, thereby releasing the inhibition of the anti-reverse assembly on the counterclockwise rotation of both the anti-reverse disc 5 and the driven component 2, realizing the purpose of the anti-reverse disc 5 rotating counterclockwise to drive the driven component 2 to rotate counterclockwise, thereby driving the lifting component 3 to descend.

[0120] The following combination Figures 17 to 24 The movement and corresponding force of the pawl when the main drive component 1 is rotated clockwise or counterclockwise are described in detail.

[0121] Please refer to the reference. Figure 17 In the original state (such as Figure 17 As shown in (a)), the pawl end 522 engages with the first ratchet groove 4121; when the main drive member 1 is subjected to a driving force in the clockwise direction, the drive block 11 rotates clockwise within the through groove 512 until it abuts against the first groove wall 5121 located on the downstream side of the through groove 512 in the clockwise direction, further applying a driving force. The drive block 11 applies a force in the clockwise direction to the first groove wall 5121, thereby driving the pawl disc 5 to rotate clockwise, and causing the driven member to rotate incrementally in the clockwise direction, thereby driving the lifting member to perform incremental upward movement. Specifically, during the process of the main drive member 1 being subjected to a driving force in the clockwise direction, the pawl arm 521 is subjected to the action of the first ratchet groove 4121 on its adjacent upstream side, causing the pawl arm to move towards the inner side of the arc-shaped groove, such as... Figure 17 As shown in Figures (b) and (c), the pawl tip 522 gradually slides away from the first ratchet groove 4121 on the upstream side until it disengages from it (as shown in Figures (b) and (c)). Figure 17 As shown in (c)), simultaneously, under the elastic restoring force of the pawl arm, the pawl tip 522 enters the adjacent downstream second tooth groove 4122 (as shown in the diagram). Figure 17 As shown in (d), and accompanied by the "click" sound produced when the pawl end 522 jumps from the top of the ratchet tooth to the second ratchet groove 4122 and abuts against it, the pawl disc 5 and the driven member rotate a distance of one groove, and the lifting member rises a preset unit height. This process is repeated until the lifting member rises to the position, and the pawl end 522 forms a non-reverse engagement with the second ratchet groove 4122 that meshes with it, thereby locking the height of the lifting member.

[0122] Reference Figures 18 to 21 When the main drive component 1 is subjected to a driving force in the counterclockwise direction, the biasing block 12 acts on the pawl arm 521 of the pawl 52, causing it to deflect and gradually disengage from the first tooth groove 4121. This deflection may be caused by the elastic deformation of the pawl arm 521, thereby realizing the incremental rotation of the pawl disc 5 and the driven component 2 in the counterclockwise direction, which in turn drives the lifting component 3 to perform incremental downward movement. Because the pawl arm 521 deflects radially inward and gradually disengages from the first ratchet tooth groove 4121 (e.g....), Figure 18 As shown in Figures (a) to (b) in the figure, until the critical position is reached (as shown in Figure (c)), the pawl arm 521 re-engages with the adjacent second tooth groove 4122 under the action of elastic restoring force (as shown in Figure (d)). When the pawl end 522 after disengagement impacts the second tooth groove 4122 with elastic pressure, it will make a crisp "click" sound, indicating that the pawl disc 5 has moved one tooth groove in the counterclockwise direction, thereby realizing the incremental adjustment of the descent height by sound recognition.

[0123] Combination Figures 19 to 21 analyze Figure 18The mechanism by which the height adjustment device achieves incremental adjustment when rotated counterclockwise is shown. The focus is on analyzing the force and movement of the pawl, and the pawl arm 521 itself is elastic. Figure 19 The diagram shows the initial state of the pawl end 522 engaging with the ratchet groove 4121. As shown, when the pawl 52 is in the initial state, the pawl end 522 engages with the first groove 4121, and the extension direction of the pawl arm 521 is perpendicular to the wall of the first groove. When the main drive component 1 is rotated counterclockwise, the bias block 12 applies a resisting force F to the pressure block 524 of the pawl arm. This resisting force F has a component force Fa perpendicular to the direction of the pawl arm and a component force Fb parallel to the direction of the pawl arm. Under the action of Fa, the pawl arm undergoes radial inward displacement or elastic deformation. Under the action of Fb, the pawl arm presses against the wall of the first groove. At this time, the wall of the first groove applies a reverse supporting force P to the pawl arm. As the external force increases, Fa becomes larger and larger. When Fa increases to the point that it can overcome the static friction between the end of the pawl arm and the wall of the first groove, the end of the pawl arm begins to slide along the wall of the first groove and is hindered by the dynamic friction force f. Under the combined action of forces F, P, and f, the pawl tip 522 gradually disengages from the first tooth groove 4121 until it moves to the middle position, as shown. Figure 20 As shown; at this point, the pawl arm is still subjected to the combined action of three forces F, P, and f. Because the pawl arm has undergone a certain degree of deformation and displacement, it stores elastic potential energy, causing a change in the direction of the resisting force F. F is still decomposed according to the force decomposition direction at the initial position. At this point, the proportion of the component force Fa increases, and Fb decreases slightly. However, the restoring force generated by the elastic deformation of the pawl arm causes it to continue pressing against the first tooth groove wall. At this time, the resultant force on the pawl end is still along the direction of the first tooth groove wall (i.e., the Fa direction), causing the pawl end to move further away from the first tooth groove wall until it reaches... Figure 21 The critical position is shown; at this point, the pawl end 522 is in point-to-point contact with the tip of the first tooth groove 4121, the supporting force P applied by the wall of the first tooth groove disappears, and under the action of the counterforce F applied by the offset block 12, the component force in the Fb direction loses the resistance of the supporting force P. Combined with the restoring force generated by the deformed pawl arm, the two work together to cause the pawl arm to quickly spring back outwards, and the pawl end quickly jumps to the second tooth groove 4122 and engages with it, reaching a new equilibrium, while emitting a "click" sound. During this process, the pawl arm moves forward a distance of one tooth groove. If a rotational force is continuously applied to the main drive component 1, the pawl end 522 will repeat the process of jumping from the first tooth groove 4121 to the second tooth groove 4122, emitting a "click" sound, transmitting the sound information of the gradual movement of the pawl end 522. The height of the lifting component decreases incrementally, and the user can judge the specific adjustment amount of the height based on the "click" sound.

[0124] The following further explains the force situation when the pawl arm 521 is not equipped with a pressure block 524. Please refer to the reference. Figure 22 When there is no pressure block 524 on the pawl arm, its drive block rotates clockwise and achieves incremental upward adjustment, in accordance with... Figure 17 The illustrated embodiments are consistent. Figure 22 The height adjustment device shown in the diagram rotates counterclockwise with... Figure 17 The illustrated embodiments differ. In the initial state (e.g.) Figure 22 As shown in (a), the offset block applies a counterforce to the pawl arm that is substantially perpendicular to the pawl arm. Under the action of this counterforce, the pawl arm shifts radially inward, causing it to gradually move away from the first tooth groove wall and reach the middle position (as shown in (a)). Figure 22 As shown in (b), the pawl arm deforms and stores elastic potential energy. Under the action of the elastic restoring force, the pawl arm remains pressed against the first tooth groove and slides along the wall of the first tooth groove until it slides to the critical position (as shown in (b)). Figure 22 As shown in (c), at this point, the pawl end is in point-to-point contact with the first tooth groove. This state is extremely unstable. Under the action of elastic restoring force, the pawl arm quickly returns to its original shape and jumps to the second tooth groove and engages with it, while emitting a "click" sound. During this process, the pawl arm moves forward a distance of one tooth groove. If a rotational force is continuously applied to the main drive component, the pawl end will repeat the process of jumping from the first tooth groove to the second tooth groove, emitting a "click" sound, which transmits the sound information of the gradual movement of the pawl end. At the same time, the height of the lifting component is reduced incrementally. The user can judge the specific adjustment amount of the height based on the "click" sound. Therefore, setting a pressure block on the side of the pawl arm facing away from the disc 51 is not a necessary feature to realize the incremental adjustment of the lowering height. Regardless of whether a pressure block is set, the incremental adjustment of the lowering height can be realized when the main drive component rotates counterclockwise.

[0125] The height adjustment device provided by this utility model can achieve incremental height adjustment, and its adjustment mechanism is similar to... Figure 17 The embodiments are consistent; the difference lies in the lowering adjustment mechanism of the lifting component. Except... Figures 18 to 22 In addition to the height adjustment device shown, which allows for incremental descent when the main drive component rotates counterclockwise, this invention also provides other embodiments of the height adjustment device that allow for free descent. The following further explains two embodiments where the pawl arm 521 corresponds to the lifting component 3 and the descent height is freely adjustable, as follows: Figure 23 and Figure 24 As shown.

[0126] Figure 23The first embodiment of the free descent of the lifting component of the height adjustment device is described. Figure (a) shows the initial state. In this embodiment, the pawl arm 521 has a strong elastic deformation capability. When the bias block 12 applies a resisting force, the pawl arm 521 directly disengages from the engagement with the first tooth groove. As the resisting force continues to be applied, the pawl arm 521 continues to shift inward until it abuts against the disc body 51 of the pawl disk 5, as shown in Figure (b). At this time, the drive block 11 still does not abut against the second groove wall 5122 of the through groove 512, but the pawl arm 521 can no longer undergo further deformation or displacement. When a rotational force continues to be applied to the main drive member 1, the bias block 12 drives the pawl 52 and the pawl disk 5 to rotate counterclockwise, thereby causing the lifting component 3 to descend. Since this is a free descent, the descent height cannot be precisely determined.

[0127] Figure 24 Another implementation of the height adjustment device's lifting component freely descending is described. Figure (a) shows the original state. In this embodiment, the pawl arm 521 has a strong elastic deformation capability. When the bias block 12 applies pressure to the pawl arm 521, the pawl arm 521 directly disengages from the first tooth groove. Furthermore, with the relative rotation between the main drive member and the pawl disc 5, the drive block 11 abuts against the second groove wall 5122 of the through groove 512, as shown in Figure (b). At this time, the pressure from the bias block 12 keeps the pawl end 522 in a balanced position, always disengaged from the ratchet tooth groove. Simultaneously, the abutment between the drive block 11 and the second groove wall 5122 of the through groove allows the rotation of the drive block to drive the pawl disc 5 to rotate counterclockwise, thereby causing the lifting component 3 to descend. Since this is a free descent, the descent height cannot be precisely determined.

[0128] Figure 23 and Figure 24 In the illustrated embodiment, because the pawl arm undergoes elastic deformation, the pawl end directly disengages from the ratchet tooth groove, and the two remain disengaged throughout the rotation of the pawl disc 5, the pawl end does not interact with the ratchet tooth groove, thus eliminating the "clicking" sound. Therefore, the user cannot accurately judge the descent range of the lifting component. On the other hand, because there is no damping effect between the pawl end and the ratchet tooth groove in this height adjustment device, the descent speed of the lifting component 3 is faster, making it particularly suitable for situations where the single adjustment descent range is large and the height value requirement is not very precise. Both types of height adjustment devices require the pawl arm to have a strong elastic deformation capacity, capable of rapidly undergoing large deformation when subjected to bias pressure from the bias block, thereby directly disengaging from the ratchet tooth groove. For example, the pawl arm can be made into a very thin sheet structure, or made of a material with strong elastic deformation capacity. Alternatively, the pawl arm and pawl end can be designed with different elastic moduli to balance the elastic deformation capacity of the pawl arm and the anti-reverse performance of the pawl. It should be noted that although... Figure 23 and Figure 24The height adjustment device shown allows for free adjustment of the descent height, but it can still lock the descent height. That is, when the driving force applied to the main drive component in the counterclockwise direction is stopped, the pawl arm will return to its original shape under the action of the restoring force and re-engage with the ratchet groove to achieve the locking function, inhibiting the pawl disc from rotating in the counterclockwise direction, thereby inhibiting the accidental descent of the lifting component.

[0129] In other embodiments of this utility model, the first direction may also be counterclockwise and the second direction may be clockwise, which is related to the anti-reverse direction of the anti-reverse component.

[0130] Please refer to the reference. Figures 2 to 4 Preferably, the main drive member 1 is configured as a main rotating disk, which includes a disk portion 13 and an annular disk portion 14 extending vertically around the edge of the disk portion 13. A drive block 11 and an offset block 12 are disposed on the inner surface of the disk portion 13, and the disk portion 13 is provided with a through hole 131. Figure 7 As shown, the lifting component 3 includes a lifting rod 31 and a lifting head 32 fixedly connected to the end of the lifting rod 31. A portion of the lifting head 32 is configured as a ball-and-belt body. (Combined with...) Figure 15 The lifting rod 31 passes through the fixed base 4, the opening 511, and the disc through hole 131. The lifting head 32 is at least partially exposed above the outer side of the disc portion 13. The lifting head 32 can raise or lower components such as insoles of footwear. In this way, the lifting rod 31 can move up and down in its axial direction to drive the lifting head 32 to raise or lower the relevant components. In other preferred embodiments, such as... Figure 25 As shown, the lifting head 32' of the lifting component can also be configured as a spherical shape. (See reference...) Figure 2 and Figure 3 Preferably, a handle 141 is provided on the outer surface of the annular portion 14 for applying external force to the main rotating disk 1, thereby facilitating the application of force to the main rotating disk 1 through the handle 141. In other preferred embodiments, the handle 141' can also be configured as a lever, such as... Figure 26 As shown, a friction strip is preferably provided on the lever-shaped handle 141' to increase the friction force applied.

[0131] Please refer to the reference. Figure 12 and Figure 13Preferably, multiple through slots 512 are evenly distributed circumferentially in the disk body relative to the central axis of the opening 511, and multiple pawl arms 521 are evenly distributed circumferentially on the outer surface of the disk body relative to the central axis of the opening 511. Multiple drive blocks 11 correspond one-to-one with the multiple through slots 512 and are evenly distributed circumferentially on the inner surface of the disk portion 13 relative to the central axis of the disk through hole 131. Multiple offset blocks 12 are positioned corresponding to the outer wall positions of the multiple pawl arms 521 and are evenly distributed circumferentially on the inner surface of the disk portion 13 relative to the central axis of the disk through hole 131. In this embodiment, the pawl 52, drive block 11, and offset block 12 are preferably set to three, so that the rotation of the main rotating disk drives the rotation of the pawl disk 5 smoothly and accurately, thereby reliably realizing the lifting and lowering of the main rotating disk 1 by driving the pawl disk 5 to drive the driven component 2 and the lifting rod 31 to lift and lower.

[0132] Please refer to the reference. Figure 9 Preferably, the fixing seat 4 includes a sleeve, which includes a peripheral shell 421, a partition 422, and a bottom shell 423. The peripheral shell 421 forms an inner cavity 43. The partition 422 is horizontally disposed in the inner cavity 43, dividing it into an upper chamber and a lower chamber. An inner ratchet 41 is provided on the inner peripheral wall of the upper chamber above the partition 422. A ratchet disc 5 is located above the partition 422. The partition 422 has a plate hole 4221. Please refer to the reference. Figure 4 and Figure 9 Preferably, a plurality of locking positions 142 are provided on the inner circumferential surface of the annular portion 14 of the main rotating disk, and a ring of locking protrusions 45 is provided on the cylindrical shell 421, with the locking positions 142 engaging with the locking protrusions 45. Therefore, the main rotating disk can rotate relative to the cylindrical shell 421 in the circumferential direction along a first direction and a second direction, and the main rotating disk cannot disengage axially upward relative to the cylindrical shell 421. (Reference) Figure 9 Preferably, a positioning protrusion 46 is provided on the outer surface of the cylindrical shell 421 for positioning the sleeve. The positioning protrusion 46 can accurately position the sleeve, i.e., the height adjustment device 10, when the positioning protrusion 46 is fixed in the positioning groove of other components.

[0133] Please refer to the reference. Figure 5 and Figure 6Preferably, the driven member 2 is configured as a rotating wheel, which is disposed in the lower cavity of the fixed base 4. The partition 422 spatially isolates the anti-reverse assembly from the rotating wheel to avoid mutual interference between the two. The rotating wheel includes a hub 21, with a driven tooth 22 on the top of the hub 21. A driving tooth 53 is provided on the side of the ratchet disc 5 facing away from the main rotating disc. The driving tooth 53 meshes with the driven tooth 22, so that the ratchet disc 5 can be linked with the driven member 2. The driven tooth 22 protrudes from the plate hole 4221 of the fixed base, so the ratchet disc 5 can be supported by the partition 422 and cooperate with the inner ratchet 41. The driven tooth 22 can reliably receive the driving force of the main anti-reverse disc 5 without being interfered with by the partition 422. A concave ring 211 is provided at the upper end of the hub 21. Multiple protrusions 44 are provided around the edge of the plate hole 4221 in the partition plate 422 of the fixed seat. The protrusions 44 abut against the end face of the concave ring 211. Therefore, the abutment between the protrusions 44 and the end face of the ring restricts the axial displacement of the rotating wheel on the sleeve. In other preferred embodiments, the fixed seat may not have protrusions 44, such as... Figure 27 As shown. When the height adjustment device is assembled, the main drive component and the fixed seat are locked together by the action of the latch 142 and the latch protrusion 45 (as shown). Figure 16 As shown, the main drive member cannot move axially upward relative to the fixed seat, so the driven member 2 also cannot move axially upward. Furthermore, when the pawl end 522 slides with each ratchet tooth 411 of the inner ratchet 41, the pawl end 522 can pass relative to the first tooth surface of each ratchet tooth 411. This allows the main rotating disk to rotate in the first direction, driving the pawl disk 5 to rotate in the first direction, which in turn drives the rotating wheel to rotate in the first direction, causing the lifting rod 31 to move upward. Moreover, the second tooth surface of the ratchet tooth 411, which is opposite to each first tooth surface, is configured to abut against the pawl end 522 and prevent the pawl end 522 from moving away from the second tooth surface, thus preventing the pawl end 522 from rotating in the second direction. Consequently, the anti-reverse disc 5 prevents the connected rotating wheel from rotating in the second direction, thus ensuring that the lifting rod 31 connected to the rotating wheel can rise or fall to a certain position and remain unchanged. For the specific arrangement of the pawl end 522 and the ratchet tooth 411, please refer to similar arrangements of pawl teeth and ratchet teeth in this technical field, such as patent CN108791997A, which will not be repeated here. In addition to the pawl-ratchet assembly, other components with anti-reverse function can also be used.

[0134] Please refer to the reference. Figures 5 to 8 Preferably, the hub 21 is provided with a threaded through hole 24 having a first thread 23, and the lifting rod 31 is provided with a second thread 33 that is helically connected to the first thread 23. The second thread 33 is preferably provided at the bottom of the lifting rod 31, but it can also be provided at other parts of the lifting rod 31. In this way, through the threaded transmission between the first thread 23 and the second thread 33, the rotating wheel can accurately drive the lifting rod 31 to rise and fall.

[0135] Please refer to the reference. Figure 7 Figure 8 and Figure 11 Preferably, the height adjustment device 10 further includes an anti-rotation member 6. A second anti-reverse member is disposed on the sleeve, and the main drive member 1 is rotatably disposed on the sleeve. An anti-rotation member 6 is provided on the inner surface of the bottom shell 423. The anti-rotation member 6 is used to prevent the lifting member 3 from rotating and to allow the lifting member 3 to move up and down. The lifting member 3 cannot rotate relative to the bottom shell 423. Therefore, under the restriction of the anti-rotation member 6, the lifting member 3 can only move up and down axially relative to the bottom shell 423 and cannot rotate circumferentially. Preferably, the anti-rotation member 6 can be integrally formed on the bottom shell 423, or it can be separately formed and fixedly connected to the bottom shell 423. Optionally, the anti-rotation member 6 can be integrally formed on the peripheral shell 421, or it can be separately formed and fixedly connected to the peripheral shell 421.

[0136] Please refer to the reference. Figure 8 and Figure 15 Preferably, the lifting rod 31 is provided with an anti-rotation hole 34 that runs through the central axis of the rod. The anti-rotation component 6 includes an anti-rotation rod 61, which is disposed on the bottom shell 423 of the cylinder. The anti-rotation rod 61 is inserted into the anti-rotation hole 34, and the anti-rotation rod 61 abuts against the anti-rotation hole 34 to prevent the lifting rod 31 from rotating and allow it to move up and down. In this embodiment, the anti-rotation rod 61 is integrally formed with the bottom shell 423. The anti-rotation rod 61 is constructed as a multi-faceted prism and is inserted into the anti-rotation hole 34. More preferably, in this embodiment, the anti-rotation rod 61 is a four-faceted prism and the anti-rotation hole 34 is a four-faceted prism hole. In addition, in other preferred embodiments, each surface of the anti-rotation rod 61 and the anti-rotation hole 34 can also be an arc surface or a curved surface, as long as the overall outer surface of the anti-rotation rod 61 and the shape of the anti-rotation hole 34 match, and the overall inner surface is not cylindrical, the two are fixedly connected in the circumferential direction. This design allows the anti-rotation rod 61 and the anti-rotation hole 34 to abut against each other to prevent the lifting rod 31 from rotating and allow it to move up and down. Therefore, the circumferential restriction effect of the anti-rotation rod 61 on the anti-rotation hole 34 allows the relative rotational motion between the rotating wheel and the lifting rod 31 to generate the axial motion of the lifting rod 31 under the action of the axial component force, thereby achieving the purpose of adjusting the lifting height of the lifting rod 31. For the structural design and mechanism of the driven component driving the lifting component to rise and fall, please refer to the content of patent CN202422560463.5.

[0137] Furthermore, please refer to the references. Figure 12 and Figure 13Preferably, the through groove 512 is arc-shaped, and the driving block 11 and the through groove 512 have a circumferential gap in the circumferential direction. The driving block 11 is configured to rotate in the circumferential gap along a first direction or a second direction. Thus, when the anti-reverse disc 5 is driven to rotate in the first direction, the driving block 11 acts on the first groove wall 5121; when the anti-reverse disc 5 is driven to rotate in the second direction, the driving block 11 acts on the second groove wall 5122 or is located between the first groove wall 5121 and the second groove wall 5122. Since the driving block 11 has a certain movement space in the through groove 512 along the first and second directions, when the driving lifting member 3 rises, the driving block 11 always acts on the first groove wall 5121. When the driving lifting member 3 descends, with the help of the pressing force of the offset block 12 on the first anti-reverse member, the driving block 11 may act on the second groove wall 5122 or may not contact the second groove wall 5122. Figure 23 and Figure 24 (As shown).

[0138] Example 2

[0139] like Figures 29 to 38 As shown, as another objective of this utility model, it also provides a footwear article 100, which includes a sole 20, a support block 30, and an insole 40, and further includes a height adjustment device 10 as described in any of the embodiments in 1 above. The height adjustment device 10 is used to raise the arch position to achieve height adjustment at the arch. The main drive component partially protrudes from the side wall of the sole 20, the lifting component is located below the support block 30, and the support block 30 is located between the lifting component and the insole 40. The height of the insole 40 is adjusted by lifting the support block 30.

[0140] Preferably, the sole 20 has a mounting groove 201 for accommodating at least a portion of the fixing seat 4 of the height adjustment device 10. The height adjustment device 10 is embedded in the mounting groove 201 and bonded to the sole 20. The sole 20 also has a positioning groove 202 communicating with the mounting groove 201. The positioning groove 202 can engage with a positioning protrusion 46 provided on the outer surface of the cylindrical shell 421 of the fixing seat, thereby allowing the height adjustment device 10 to be better positioned within the sole 20 and preventing circumferential displacement of the fixing seat relative to the sole. In other preferred embodiments, the cylindrical shell 421' of the fixing seat can be configured as a rounded prism, such as... Figure 28 As shown, the outer shell of the cylinder is a rounded rectangle; correspondingly, as... Figure 30 As shown, the mounting groove 201' is set as a rounded rectangular groove, so there is no need to set positioning protrusions and positioning grooves. The rounded rectangular structure design constitutes shape locking, and can also realize circumferential locking between the fixing seat and the shoe sole, that is, the two cannot rotate relative to each other.

[0141] like Figure 29As shown, the support block 30 can be a one-piece structure, made of materials such as PA, TPU, silicone, or rubber. The support block 30 has folds, which allow for deformation, enabling it to stretch or contract under the action of the lifting component 3. The folded edges of the support block 30 are connected to the sidewall of the sole 20, using methods such as adhesive bonding or sewing. In other preferred embodiments, the support block 30 may also include two separate components: a central block 301 and folds 302. These two components are molded separately and then joined together to form the support block 30. Figure 31 As shown.

[0142] Furthermore, the support block 30 and the lifting head 32 of the lifting component are connected by a snap-fit ​​structure. Preferably, in this embodiment, the support block 30 is provided with a slot, and the lifting head 32 of the lifting component 3 is provided with a protrusion. Please refer to the reference. Figure 34 and Figure 35 More preferably, the convex part is configured as a semi-circular key structure or a superior arc key structure. A semi-circular key structure or a superior arc key structure refers to a partial spherical strip formed by cutting a hemisphere or a portion of a sphere larger than a hemisphere with two planes. More preferably, the convex part is a 3 / 4 spherical strip. A groove 321 is formed between one side of the convex part and the adjacent portion of the lifting member 3, and the other side of the convex part is tangent to the side of the lifting rod. The convex part has two planar side surfaces and a rounded top surface. The two planar side surfaces make the connection between the convex part and the groove more stable, and the rounded top surface allows the convex part to adapt to the slope of the groove bottom, allowing the support block 30 to rotate around the convex part within a certain angle. This design of the convex part better ensures the tightness and flexibility of the connection between the support block and the lifting member, as well as the smoothness of the connection during height adjustment. In other preferred embodiments, such as... Figure 25 As shown, the lifting head 32' of the lifting component can also be spherical. A groove is also provided between the spherical head 32' and the lifting rod to facilitate the slotted connection of the support block. When the spherical lifting head 32' is connected to the slot of the support block, the relative movement between the two is more flexible, and the connection and height change of the support block become smoother when the lifting component of the height adjustment device rises or falls.

[0143] like Figures 32 to 35 As shown, when the height adjustment device 10 is in its original state, the folds of the support block 30 remain unchanged; as Figures 36 to 38 As shown, when the height adjustment device 10 is in the top position, the folds are stretched and the support block 30 is lifted. The folds of the support block 30 make the deformation of the support block 30 closer to a smooth transition, which is more conducive to the comfort of the insole 40 and the realization of foot shape self-adaptation during the height adjustment process.

[0144] Preferably, the main drive unit 1 is provided with a handle 141 (or 141') protruding from the side of the sole 20, so that the user can operate the handle 141 (or 141') to rotate the main drive unit 1. For example, by moving the handle 141 (or 141') back and forth, a clockwise or counterclockwise driving force can be applied to the main drive unit. The height can be adjusted up and down by moving the handle back and forth, which is simple to operate and has a good feel.

[0145] Preferably, the height adjustment device 10 is located at the arch of the foot to adjust the height of the insole 40 at the arch position. This solution is mainly suitable for functional shoes and health shoes, and is very friendly to people with flat feet.

[0146] Therefore, this utility model allows for the adjustment of the insole 40's height according to the user's foot shape or their needs at different times and in different situations, achieving a multi-functional shoe. Of course, the number and location of the height adjustment devices 10 can be customized according to the user's needs for footwear; this utility model does not limit their location or number. Footwear 100 can achieve the beneficial effects of any height adjustment device 10, which will not be elaborated further here. The height of the insole 40 of footwear 100 can be quickly and accurately adjusted, allowing the wearer to adjust the insole 40 height to meet different needs.

[0147] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A height adjustment device, characterized in that, It includes the main drive component, driven component, lifting component, fixed base, and anti-reverse plate; among which, The main driving member is rotatably mounted on the fixed base, and the driven member is supported by the fixed base and can rotate relative to the fixed base; The anti-reverse plate and the driven component can be linked together; The driven member is configured such that when it rotates in a first direction, the lifting member moves upward; and when it rotates in a second direction, the lifting member moves downward, wherein the first direction and the second direction are opposite. The anti-reverse disc includes one or more first anti-reverse components, and the fixed base is provided with one or more second anti-reverse components. The second anti-reverse components cooperate with the first anti-reverse components to form an anti-reverse assembly. The main drive component includes a rotation control component, which is operably connected to the anti-reverse disc; When the main drive member is subjected to a driving force along the first direction, the main drive member rotates along the first direction. The rotation control member is connected to the anti-reverse disc, so that the main drive member drives the anti-reverse disc and the driven member to rotate along the first direction, thereby driving the lifting member to rise. At the same time, the anti-reverse component inhibits the anti-reverse disc and the driven member from rotating along the second direction to prevent the lifting member from falling unexpectedly. When the main drive member is subjected to a driving force along the second direction, the rotation control member acts on the first anti-reverse member, so that the anti-reverse assembly allows the main drive member to drive the anti-reverse disc and the driven member to rotate along the second direction, thereby driving the lifting member to descend.

2. The height adjustment device according to claim 1, characterized in that, The rotation control component includes a drive block and an offset block. The drive block is fixedly connected to the anti-reverse disc in the axial direction and rotatably connected in the circumferential direction. The offset block is used to drive the first anti-reverse component to deflect.

3. The height adjustment device according to claim 1, characterized in that, The upward motion of the lifting component is an incremental upward motion, and the downward motion of the lifting component is an incremental downward motion or a free downward motion.

4. The height adjustment device according to claim 3, characterized in that, The height adjustment device includes a sound feedback component. When the lifting component performs incremental upward or downward movement, the sound emitted by the sound feedback component can be used to identify the range of height change of the lifting component.

5. The height adjustment device according to claim 2, characterized in that, When the main drive component rotates along the first direction, the drive block is linked with the anti-reverse disc, thereby driving the anti-reverse disc and the driven component to rotate incrementally along the first direction, thereby driving the lifting component to perform incremental upward movement.

6. The height adjustment device according to claim 2, characterized in that, When the main drive component rotates along the second direction, the bias block acts on the first anti-reverse component, causing it to gradually disengage from the second anti-reverse component. At the same time, the anti-reverse disc and the driven component rotate incrementally along the second direction, thereby driving the lifting component to perform incremental downward motion.

7. The height adjustment device according to claim 2, characterized in that, The check disc is configured as a ratchet disc, which includes a disc body and a ratchet. The ratchet is the first check component, and the ratchet includes a ratchet arm and a ratchet end that cooperates with the second check component. The angle between the ratchet arm and the outer peripheral surface of the disc body is 0~60°.

8. The height adjustment device according to claim 7, characterized in that, The pawl arm has a pressure block protruding on the side opposite to the disc body, and the bias block acts on the pressure block to drive the pawl arm to deflect.

9. The height adjustment device according to claim 1, characterized in that, A handle is provided on the periphery of the main drive component for applying external force to the main drive component.

10. A footwear article comprising a sole and an insole, characterized in that, It also includes a support block and a height adjustment device as described in any one of claims 1 to 9, wherein the support block is located below the insole, the height adjustment device is located below the support block, and the main drive component of the height adjustment device partially protrudes from the side wall of the sole, the lifting component is connected to the support block, and the height of the insole is adjusted by lifting the support block.

11. The footwear article according to claim 10, characterized in that, The sole of the shoe has an installation groove for accommodating the mounting base of the height adjustment device; the lifting component includes a lifting head, and the height adjustment device is connected to the support block through the lifting head.

12. The footwear article according to claim 10, characterized in that, The support block includes pleats that can stretch or contract according to the raising or lowering of the lifting component.

13. The footwear article according to claim 11, characterized in that, The lifting head includes a latching protrusion structure, and the support block is provided with a latching groove. The lifting head and the support block are detachably connected through the latching protrusion-lattice structure.

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