阅读说明：本技术 一种用于换跟鞋的简易换跟机构 (Simple heel-changing mechanism for heel-changing shoes ) 是由 朱靖阳 朱靖杰 张东东 于 2021-09-28 设计创作，主要内容包括：本发明涉及一种用于换跟鞋的简易换跟机构,包括内部设有第一容置空腔的壳体、设置在第一容置空腔内的锁合机构、位于壳体的下方并穿过壳体底部与锁合机构相锁合的固定销；所述固定销的下部设置有用于和鞋跟连接固定的连接机构,所述固定销的上部穿过壳体底部与锁合机构锁合。该发明结构简单,操作方便,利于使用,结构更牢固,使用寿命更长。(The invention relates to a simple heel-changing mechanism for a heel-changing shoe, which comprises a shell, a locking mechanism and a fixing pin, wherein a first accommodating cavity is formed in the shell; the lower part of the fixing pin is provided with a connecting mechanism used for being connected and fixed with the heel, and the upper part of the fixing pin penetrates through the bottom of the shell to be locked with the locking mechanism. The invention has the advantages of simple structure, convenient operation, convenient use, firmer structure and longer service life.)

1. The utility model provides a simple and easy mechanism of trading with a heel for trading with a shoe which characterized in that: the locking mechanism is arranged in the first accommodating cavity, and the fixing pin is positioned below the shell and penetrates through the bottom of the shell to be locked with the locking mechanism; the lower part of the fixing pin is provided with a connecting mechanism for connecting and fixing with a heel, the upper part of the fixing pin penetrates through the bottom of the shell to be connected and locked with the locking mechanism, and the upper part of the fixing pin is provided with at least one axial locking groove with an arc-shaped cross section; the locking mechanism comprises a locking upper cover and a locking bottom shell which are connected, wherein a second containing cavity is formed in the locking upper cover and the locking bottom shell, and a ferromagnetic moving part which is arranged in the second containing cavity, is parallel to the locking bottom shell and can move up and down, and a first through hole and a second through hole which are coaxial and can be matched with the fixing pin to penetrate through are correspondingly arranged on the locking bottom shell and the moving part; a plurality of steel balls which have the same size and can be matched and clamped in the axial locking groove are movably arranged between the moving part and the locking bottom shell in a limiting way, and a spring which is coaxial with the first through hole is arranged between the moving part and the locking upper cover; the upper end of spring is connected with the closure upper cover, and the lower extreme is connected with the moving part, the fixed pin can be followed and upwards passed casing, first through-hole, second through-hole, a plurality of steel ball in proper order down and enclosed the space that closes the formation and insert the spring and make steel ball and axial locking groove looks block locking.

2. The simple heel-changing mechanism for the heel-changing shoes as claimed in claim 1, wherein the locking bottom case is a barrel-shaped case with an inverted trapezoidal cross section, the movable member is in a barrel-shaped structure, the diameter of the bottom surface of the locking bottom case is matched with the diameter of the movable member, the steel ball is arranged in the movable member, the lower end of the spring abuts against the top of the steel ball, and the side wall of the movable member is provided with a plurality of movable member through holes corresponding to the steel balls and facilitating the movement of the steel ball.

3. A simple heel-changing mechanism for a shoe according to claim 2, wherein said movable member has a first slit formed in a side wall thereof in an axial direction, said first slit being formed above any one of said through holes of the movable member.

4. A simple heel-changing mechanism for a heel-changing shoe as claimed in claim 2, wherein an extension arm is provided on the inner wall of said movable member and extends radially inward, said extension arm being located above said steel ball, and the lower end of said spring is pressed against said extension arm.

5. The simple heel-changing mechanism for the heel-changing shoe as claimed in claim 4, wherein there are three steel balls, and there are three extension arms, which are arranged at equal intervals along the circumference of the movable member and the interval distance is less than the diameter of the steel balls.

6. The easy heel-changing mechanism for a shoe according to claim 1, wherein said connecting mechanism comprises an external thread provided on a lower portion of said fixing pin and a nut threadedly engaged with said fixing pin.

7. The simple heel-changing mechanism for the heel-changing shoe as claimed in claim 1, wherein the housing comprises a housing bottom shell and a housing upper cover, the housing bottom shell and the housing upper cover are connected in a covering manner to form the first accommodating cavity, the locking mechanism is arranged in the housing bottom shell, and the upper portion of the fixing pin penetrates through the bottom of the housing bottom shell to be locked with the locking mechanism.

8. A simple heel-changing mechanism for a heel-changing shoe according to claim 1, wherein said movable member is further provided with a second slit communicating with said second through-hole, said second slit being provided with one or more slits arranged at equal intervals along the circumferential direction of said movable member.

9. The simple heel-changing mechanism for the heel-changing shoes according to claim 1 is characterized in that the shell is detachably connected with a heel, the top of the heel is provided with a heel groove matched with the shell, and the fixing pin is detachably connected with the bottom of the heel groove.

10. The easy heel-changing mechanism for a heel-changing shoe according to claim 1, wherein said housing is a T-shaped housing.

Technical Field

The invention relates to the field of heel-changing shoes, in particular to a simple heel-changing mechanism for a heel-changing shoe.

Background

High-heeled shoes are the necessary shoes of women, and the shoes of suitable height just can be better showing women beauty attending different occasions and wearing, however people can not hand-carry many pairs of shoes and satisfy this kind of demand, can't be timely change. The heel-changing shoes are suitable for the requirements, can change the height of the heels, can meet the wearing requirements of women in different occasions, only need to change the heels during use, are convenient to carry, can be very convenient to change the heels anytime and anywhere, and meet the requirements. However, for the existing heel-changing shoes, the heel-changing structure is complex, the appearance is not attractive, the production is not facilitated, the production cost is high, the heel-changing is also inconvenient, the structural strength after the heel-changing is not high, and the use is not facilitated.

Disclosure of Invention

Aiming at the existing defects, the invention provides a simple heel-changing mechanism for a heel-changing shoe.

The technical scheme adopted by the invention for solving the technical problems is as follows: a simple heel-changing mechanism for a heel-changing shoe comprises a shell, a locking mechanism and a fixing pin, wherein a first accommodating cavity is formed in the shell, the locking mechanism is arranged in the first accommodating cavity, and the fixing pin is positioned below the shell and penetrates through the bottom of the shell to be locked with the locking mechanism; the lower part of the fixing pin is provided with a connecting mechanism for connecting and fixing with a heel, the upper part of the fixing pin penetrates through the bottom of the shell to be connected and locked with the locking mechanism, and the upper part of the fixing pin is provided with at least one axial locking groove with an arc-shaped cross section; the locking mechanism comprises a locking upper cover and a locking bottom shell which are connected, wherein a second containing cavity is formed in the locking upper cover and the locking bottom shell, and a ferromagnetic moving part which is arranged in the second containing cavity, is parallel to the locking bottom shell and can move up and down, and a first through hole and a second through hole which are coaxial and can be matched with the fixing pin to penetrate through are correspondingly arranged on the locking bottom shell and the moving part; a plurality of steel balls which have the same size and can be matched and clamped in the axial locking groove are movably arranged between the moving part and the locking bottom shell in a limiting way, and a spring which is coaxial with the first through hole is arranged between the moving part and the locking upper cover; the upper end of spring is connected with the closure upper cover, and the lower extreme is connected with the moving part, the fixed pin can be followed and upwards passed casing, first through-hole, second through-hole, a plurality of steel ball in proper order down and enclosed the space that closes the formation and insert the spring and make steel ball and axial locking groove looks block locking.

Preferably, the locking bottom shell is a barrel-shaped shell with an inverted trapezoid cross section, the moving part is of a barrel-shaped structure, the diameter of the bottom surface of the locking bottom shell is matched with the diameter of the moving part, the steel ball is arranged in the moving part, the lower end of the spring abuts against the top of the steel ball, and a plurality of moving part through holes which correspond to the steel balls and facilitate movement of the steel balls are formed in the side wall of the moving part.

Preferably, a first slit along the axial direction is arranged on the side wall of the movable member, and the first slit is arranged above any one of the through holes of the movable member.

Preferably, the inner wall of the movable part extends inwards along the radial direction to form an extension arm positioned above the steel ball, and the lower end of the spring is pressed against the extension arm.

Preferably, the number of the steel balls is three, the extension arms are three and are arranged along the circumferential direction of the movable piece at equal intervals, and the distance between the extension arms is smaller than the diameter of the steel balls.

Preferably, the connection mechanism includes an external thread provided at a lower portion of the fixing pin, and a nut screwed to the fixing pin.

Preferably, the housing comprises a housing bottom shell and a housing upper cover, the housing bottom shell and the housing upper cover are connected in a covering mode to form the first accommodating cavity, the locking mechanism is arranged in the housing bottom shell, and the upper portion of the fixing pin penetrates through the bottom of the housing bottom shell to be locked with the locking mechanism.

Preferably, the movable member is further provided with a second slit communicated with the second through hole, and the second slit is provided with one or more slits arranged at equal intervals along the circumferential direction of the movable member.

Preferably, the shell is detachably connected with a heel, a heel groove matched with the shell is formed in the top of the heel, and the fixing pin is detachably connected with the bottom of the heel groove.

Preferably, the housing is a T-shaped housing.

The invention has the beneficial effects that: the shoe heel has a simple structure, the fixing pin is arranged on the shoe heel, the shell is arranged in the insole of the shoe, the fixing pin and the axial locking groove are locked by the aid of the clamping between the steel ball for limiting movement and the axial locking groove, a complex structure is not required to be arranged in the shoe heel, the structure is simplified, the stability of the structure of the shoe heel is kept, the shoe heel is durable, when the shoe heel needs to be replaced, only the magnet is required to be used for carrying out magnetic attraction on the moving piece, the moving piece moves upwards, the moving space of the steel ball is enlarged, the steel ball slides out of the axial locking groove to realize unlocking, the operation is convenient, the use is facilitated, and in practice, only the shoe heel to be replaced and the magnet need to be carried.

Drawings

FIG. 1 is a schematic cross-sectional view of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of an embodiment of the present invention;

FIG. 3 is a schematic structural view of a locking mechanism and a fixed pin locking according to an embodiment of the invention;

FIG. 4 is an exploded view of the locking mechanism and retaining pin of an embodiment of the present invention;

FIG. 5 is a schematic view of a retainer pin according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of a moveable member according to an embodiment of the present invention;

FIG. 7 is a schematic view of the structure of the heel and sole assembly according to the present invention;

FIG. 8 is a schematic structural view of a heel of an embodiment of the present invention

Part names and serial numbers in the figure: 1-shell 10-first accommodation cavity 11-shell bottom shell 12-shell upper cover 2-locking mechanism 20-second accommodation cavity 21-locking upper cover 22-locking bottom shell 23-movable piece 220-first through hole 230-second through hole 231-movable piece through hole 232-first slit 233-extension arm 234-second slit 3-fixed pin 30-axial locking groove 31-external thread 32-nut 4-steel ball 5-spring 6-heel 60-heel groove.

Detailed Description

To more clearly illustrate the objects, technical solutions and advantages of the embodiments of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention. In addition, directional terms used in the present invention, such as "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc., refer to directions only as shown in the attached drawings, and are used for better and clearer explanation and understanding of the present invention, and do not indicate or imply orientation which the present invention must have, and thus, should not be construed as limiting the present invention.

Embodiments of the invention as shown in fig. 1 to 8, a simple heel-changing mechanism for a heel-changing shoe comprises a housing 1 with a first accommodating cavity 10 therein, a locking mechanism 2 arranged in the first accommodating cavity 10, and a fixing pin 3 located below the housing 1 and passing through the bottom of the housing 1 to be locked with the locking mechanism 2, wherein in practical application, the fixing pin 3 is installed on the heel, the housing 1 is installed on the insole of the shoe, the fixing pin 3 is a rigid pin, in use, the fixing pin 3 passes through the lower part of the housing 1 and is inserted into the first accommodating cavity 10 to be locked with the locking mechanism 2, so as to connect and fix the heel and the insole, complete the assembly of the shoe, when the heels with different heights need to be changed, the fixing pin 3 and the locking mechanism 2 are unlocked, so that the heel can be detached from the insole, and then the heel with the required height can be changed, and for the shape of the housing 1, the contact part of the top of the common heel and the insole is the position corresponding to the heel, the size is basically unchanged, the size is changed to be the part supported by the lower part, in order to avoid influencing the beauty of the heel and the strength of the heel, the shell 1 is a T-shaped shell, namely, the upper part is large, the lower part is small, the corresponding size can be selected according to the thickness of the heel by the lower part, the contact part of the heel and the insole can be kept unchanged by the upper part, the connection and the fixation with the heel are convenient, meanwhile, the force applied to the heel can be better shared, the stability of the structure is kept, and the durability of the heel is realized; the lower part of the fixing pin 3 is provided with a connecting mechanism for connecting and fixing with the heel, the fixing pin 3 is connected and fixed on the heel through the connecting structure, the heels with different heights are all provided with a connecting structure matched with the connecting structure of the fixing pin 3, at the moment, the connecting mechanism comprises an external thread 31 arranged at the lower part of the fixing pin 3 and a nut 32 in threaded connection with the fixing pin 3, the heel is provided with a corresponding through hole, the fixing pin 3 is inserted from the upper end of the through hole on the heel, the nut 32 is in threaded connection with the fixing pin 3 from the lower part of the through hole on the heel, so that the fixing pin 3 is connected with the heel, or the lower part of the fixing pin 3 is provided with the external thread 31, the heel is provided with an internal thread matched with the external thread 31, the fixing pin 3 is connected with the heel through threaded connection, and the upper part of the fixing pin 3 passes through the bottom of the shell 1 to be connected and locked with the locking mechanism 2, the upper part of the fixing pin 3 is provided with at least one axial locking groove 30 with an arc-shaped cross section, namely the cross section of the axial locking groove 30 is arc-shaped, each axial locking groove radially surrounds the outer wall of the fixing pin 3 for one circle, and when a plurality of axial locking grooves are arranged in parallel at intervals along the axial direction; the locking mechanism 2 comprises a locking upper cover 21 and a locking bottom shell 22 which are connected with each other and internally provided with a second accommodating cavity 20, and a ferromagnetic moving part 23 which is arranged in the second accommodating cavity 20, is parallel to the locking bottom shell 22 and can move up and down, wherein the locking bottom shell 22 and the moving part 23 are correspondingly provided with a first through hole 220 and a second through hole 230 which are coaxial and can be matched with the fixed pin 3 to pass through, namely the first through hole 220 is arranged on the locking bottom shell 22, the second through hole 230 is arranged on the moving part 23, the first through hole 220 and the second through hole 230 are arranged in parallel and are coaxial, and the aperture sizes of the first through hole 220 and the second through hole 230 are matched with the size of the fixed pin 3, namely are slightly larger than the size of the fixed pin 3, so that the problems that the fixed pin 3 with the overlarge aperture shakes in the fixed pin 3 and the fixed pin 3 with the undersize aperture cannot be inserted are avoided; a plurality of steel balls 4 which have the same size and can be clamped in the axial locking groove 30 in a matched manner are movably mounted between the movable piece 23 and the locking bottom shell 22 in a limiting manner, a spring 5 which is coaxial with the first through hole 220 is arranged between the movable piece 23 and the locking upper cover 21, the spring 5, the first through hole 220 and the second through hole 230 are positioned on the same axis, a space is formed by surrounding the plurality of steel balls 4, if two steel balls form a clamping structure, three steel balls form a hollow triangular structure, and if four steel balls form a hollow quadrilateral structure; the upper end of the spring 5 is connected with the locking upper cover 21, the lower end of the spring is connected with the movable piece 23, and the fixing pin 3 can sequentially penetrate through the shell 1, the first through hole 220, the second through hole 230 and the plurality of steel balls 4 from bottom to top to form a space to be inserted into the spring 5 and enable the steel balls 4 to be clamped and locked with the axial locking groove 30. In order to avoid the impact damage to the locking upper cover 21 caused by the excessive force applied to the fixing pin 3 when the fixing pin is inserted into the locking mechanism 2, an upper cover through hole coaxial with the first through hole 220 is formed in the locking upper cover 21 to avoid the upper end of the fixing pin 3. When in use, the fixing pin 3 is firstly arranged on the heel to be integrated with the heel, the shell 1 is arranged in the middle sole of the shoe, the locking machine 2 is integrated with the sole, then the fixing pin 3 passes through the lower part of the shell 1 and sequentially passes through the first through hole 220, the second through hole 230 and is inserted into a space formed by enclosing a plurality of steel balls 4, the fixing pin 3 is continuously inserted upwards, the steel ball 4 with limited movement is clamped in the axial locking groove 30, the steel ball 4 is limited on the inner surface of the locking bottom shell 22 by the spring 5 and the moving piece 23 in the vertical direction, the bottom shell 22 is locked in the horizontal direction to limit the movement of the steel ball 4, and further the position of the steel ball 4 is fixed, when the fixing pin 3 is pulled downwards, the force borne by the steel ball 4 is downward and the horizontal direction, but the fixing pin 3 and the locking mechanism 2 are locked because the two forces can not move due to the fixed position, and the installation of fixed pin 3 in the heel need not set up complicated structure, keep the stability of heel structure, durable, when the heel needs to be changed, only need utilize magnet to carry out magnetism to moving part 23, moving part 23 rebound, steel ball 4 receives ascending effort, the space of upper portion has increased the activity space of steel ball 4, the unblock is realized to steel ball 4 roll-off in the axial locking groove 30, and convenient operation does benefit to the use, only need carry the heel and the magnet of waiting to change in the reality can.

In a further improvement, as shown in fig. 1, 3 and 4, the locking bottom shell 22 is a barrel-shaped shell with an inverted trapezoid cross section, the inverted trapezoid shape means that the upper portion is larger than the lower portion, when the movable member 23 moves upwards, the movable space of the steel ball 4 is enlarged, the steel ball 4 can be disengaged from the axial locking groove 30, when the movable member 23 moves downwards, the movable space of the steel ball 4 is reduced, the steel ball 4 cannot be disengaged from the axial locking groove 30, the stability of the engagement structure is ensured, the movable member 23 is in a barrel-shaped structure, the diameter of the bottom surface of the locking bottom shell 22 is matched with that of the movable member 23, the steel ball 4 is arranged in the movable member 23, the lower end of the spring 5 abuts against the top of the steel ball 4, as shown in fig. 4 and 6, the side wall of the movable member 23 is provided with a plurality of movable member through holes 231 corresponding to the plurality of steel balls 4 for facilitating the movement of the steel ball 4, that is to say, the bottom surface of the moving part 23 moving downwards can abut against the inner bottom surface of the locking bottom shell 22, and after the moving part 23 and the locking bottom shell abut against each other, the steel ball 4 is completely limited in the barrel of the moving part 23 due to the matching of the diameters of the moving part and the locking bottom shell, and the steel ball 4 and the fixing pin 3 can form a stable clamping structure. When in locking use, the fixing pin 3 is inserted among the steel balls 4, and applies upward and horizontal acting force to the steel balls 4, further exerting upward pressure on the spring 5, the spring 5 is compressed under force, meanwhile, downward force is exerted on the steel ball 4, the horizontal acting force on the steel ball 4 moves towards the horizontal direction, when the moving part 23 does not move upwards, the space of the steel ball 4 moving in the horizontal direction is limited by the locked bottom shell 22 and cannot move, the fixing pin 3 is continuously inserted upwards, the moving part 23 is also forced to move upwards, the space of the steel ball 4 moving in the horizontal direction is enlarged, the steel ball 4 moves towards the outside of the moving part 23, the fixing pin 3 is pulled downwards, the space of the steel ball 4 moving towards the outside of the moving part 23 is reduced, when the locking pin is corresponding to the axial locking groove 30, the locking pin slides into the axial locking groove 30 to be clamped with the fixing pin 3, and then the locking pin and the fixing pin are locked; when the shoe heel is unlocked, the magnet is used for magnetically attracting the moving part 23, the moving part 23 moves upwards, the moving space in the horizontal direction of the steel ball 4 is increased to slide out of the moving part 23 and is separated from the clamping with the axial locking groove 30, and then the fixing pin 3 is separated from the locking with the locking mechanism 2 to realize unlocking, so that the shoe heel can be replaced, and the use is convenient and fast. At this time, in order to avoid the damage to the movable member 23 caused by the horizontal movement of the steel ball 4 outward of the movable member 23, the side wall of the movable member 23 is provided with a first slit 232 along the axial direction, the first slit 232 is arranged above any one of the movable member through holes 231, and the slit buffers the radial force applied to the movable member 23, thereby ensuring the structural firmness of the movable member 23. In order to avoid the problem that the upward force of the steel ball 4 cannot be buffered when the upward moving space of the steel ball 4 becomes large, and the locking structure 2 is unstable, the inner wall of the moving part 23 radially and inwardly extends to form an extension arm 233 located above the steel ball 4, the lower end of the spring 5 is pressed against the extension arm 233, so that the spring 5 cannot be directly acted by the steel ball 4, after the steel ball 4 is acted by the fixing pin 3, the steel ball 4 moves, and after the steel ball 4 touches the extension arm 233, a force is exerted on the extension arm 233, that is, on the moving part 23, the moving part 23 moves, and then the force is exerted on the spring 4 to form a force transmission process, the distance from the bottom of the extension arm 233 to the inner bottom surface of the moving part 23 is matched with the diameter of the steel ball 4, that is, a gap is formed between the bottom of the extension arm 233 and the top of the steel ball 4, so that the steel ball 4 can be smoothly clamped with or separated from the axial locking groove 30, the distance from the bottom of the extension arm 233 to the inner bottom surface of the movable member 23 is larger than the diameter of the steel ball 4. Preferably, the steel balls 4 are provided with three stable structures which form a triangle, so that the stability of locking is ensured, the extension arms 233 are provided with three stable structures which are arranged at equal intervals along the circumferential direction of the moving member 23, and the interval distance is smaller than the diameter of the steel balls 4, so that the extension arms 233 limited by the steel balls 4 move with the inner bottom surface of the moving member 23, and the steel balls 4 are prevented from falling out of gaps among the extension arms 233.

In a further improvement, as shown in fig. 1 and 2, the housing 1 includes a housing bottom shell 11 and a housing top cover 12 covering and connecting the housing bottom shell 11 and the housing top cover 12 to form a first receiving cavity 10, the locking mechanism 2 is disposed in the housing bottom shell 11, the upper portion of the fixing pin 3 passes through the bottom of the housing bottom shell 11 to be locked with the locking mechanism 2, so as to facilitate installation of the locking mechanism 2, and after the fixing pin is installed on the heel, a plurality of stress points are formed, such as the top of the heel, the top of the housing top cover, and the like, so that sufficient strength of the structure is maintained, and the service life is prolonged.

In a further improvement, as shown in fig. 4 and 6, the movable member 23 is further provided with a second slit 234 communicated with the second through hole 230, the second slit 234 is provided with one or more slits arranged at equal intervals along the circumferential direction of the movable member 23, and the slits can buffer the acting force applied to the movable member 23 when the fixing pin 3 passes through the second through hole 230, so as to maintain the strength of the movable member structure, and at the same time, the fixing pin and the second through hole can be installed in an interference fit manner, so as to maintain the stability of the installation structure, that is, the stability of the connection between the heel and the sole is maintained.

In a further improvement, as shown in fig. 7 and 8, the shell 1 is detachably connected with the heel 6, the top of the heel 6 is provided with a heel groove 60 matched with the shell 1, the fixing pin 3 is detachably connected with the bottom of the heel groove 60, the heel 6 is arranged into heels with different heights, the heels can be carried about and are convenient to replace, after the shell 1 is arranged in the heel groove 60, the sole and the heel 6 are connected together, the parts connected with the sole are the top of the shell 1 and the top of the side wall of the heel groove 60, and the force applied to the heel by the foot is born in the using process. At this time, the fixing pin 3 is also installed in the heel groove 60, and a through hole may be formed at the bottom of the heel groove 60 to fix the fixing pin 3 by means of a screw connection between a nut and the fixing pin 3, or a screw hole may be formed at the bottom of the heel groove 60, or a locking structure may be formed at the bottom of the heel groove 60 to lock the fixing pin 3 therein.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.