CN216059441U

CN216059441U - Detachable shoe tree

Info

Publication number: CN216059441U
Application number: CN202121829181.0U
Authority: CN
Inventors: 斋藤胜雄; 黄展宏
Original assignee: Fuji Youyou Technology Co ltd
Current assignee: Fuji Youyou Technology Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-03-18
Anticipated expiration: 2031-08-06

Abstract

The utility model relates to the technical field of shoemaking, in particular to a detachable shoe tree which comprises a shoe tree core, an upper transition piece and a shoe tree shell for wrapping the shoe tree core and the upper transition piece, wherein the upper transition piece is detachably connected with the shoe tree core; the last core comprises a forepart, a heel part and a separation sheet, wherein the separation sheet is arranged between the forepart and the heel part and extends out of the joint to divide the last shell into a plurality of parts. The shoe type of the shoe tree is changed through the upper transition piece, and the number of the shoe tree is changed through the shoe tree shell, so that the requirements of different shoe types and shoe sizes are met, the cost is saved, and the utilization rate of the shoe tree is improved.

Description

Detachable shoe tree

Technical Field

The utility model relates to the technical field of shoemaking, in particular to a detachable shoe tree.

Background

The shoe tree is the parent body of the shoe and is the forming mould of the shoe. The shoe tree not only determines the shape and style of the shoe, but also determines whether the shoe fits the foot or not, and can play a role in protecting the foot. At present, one shoe tree is only suitable for one shoe size and one shoe type, but the aesthetic trend of people changes greatly, and the updating of the shoe tree is fast, so that a large number of shoe trees are updated, and the cost is increased; most shoe lasts are made of plastic by injection molding, the recycling process is complex, and the cost is high; in addition, in the injection molding process of the shoe tree, the whole shoe tree is divided into the half sole and the heel in a cutting mode, the cutting surface is uneven and the size of the shoe tree is changed, only shoes with fixed styles and sizes can be manufactured in the dividing process, and once the shoe tree is cut, secondary processing cannot be carried out to change the sizes and the styles.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a detachable shoe tree, which not only meets the requirements of different shoe types and shoe sizes, but also saves the cost and improves the utilization rate of the shoe tree.

In order to achieve the above object, the present invention provides a detachable shoe tree, including a last core, an upper transition piece, and a last shell covering the last core and the upper transition piece, wherein the upper transition piece is detachably connected to the last core; the last core comprises a forepart, a heel part and a separation sheet, wherein the separation sheet is arranged between the forepart and the heel part and extends out of a connecting part to divide the last shell into a plurality of parts.

As a preferred scheme, the lower extreme of preceding palm portion with the lower extreme of heel passes through coupling assembling to be connected, coupling assembling includes elastic component and bolt, the one end of elastic component pass through the bolt with preceding palm portion is connected, its other end pass through the bolt with heel is connected.

As a preferable scheme, a first tangent plane is arranged at the upper end of the front palm part, a second tangent plane is arranged at the upper end of the heel part, and the first tangent plane and the second tangent plane form a V-shaped groove; the detachable shoe tree further comprises a clamping piece, and the clamping piece is inserted into the V-shaped groove and locked with the front palm portion through a bolt.

Preferably, the separating sheet comprises a first separating sheet and a second separating sheet, the upper part of the first separating sheet is attached to the first cut surface, and the lower part of the first separating sheet is clamped between the forefoot part and the heel part; the heel part is provided with a first inserting groove from the upper end surface of the heel part along a second tangent plane, the second separating sheet is provided with a first clamping block, and the first clamping block is inserted in the first inserting groove.

Preferably, the front palm part is provided with a thread groove on a first tangent plane, first lugs are arranged on two sides of the thread groove, the first separating piece is provided with a through hole for the two first lugs and the bolt to pass through, and the first separating piece is clamped with the first lugs through the through hole; preceding palm portion is equipped with first draw-in groove at its up end, the top bending of first parting sheet becomes hook portion, hook portion with first draw-in groove joint.

As a preferred scheme, the upper transition piece comprises an upper transition piece, a hook-shaped section is arranged on the foot surface of the front sole portion, a second insertion groove is formed in the front sole portion along the hook-shaped section from the upper end face, a second clamping block is arranged on the upper transition piece, and the second clamping block is inserted into the second insertion groove.

Preferably, the upper end surface of the vamp transition piece is flush with the upper end surface of the front palm part.

As a preferable scheme, the upper end surface of the vamp transition piece is higher than the upper end surface of the front sole part, the top end of the vamp transition piece is bent into a clamping part, and the lower end surface of the clamping part is overlapped on the upper end surface of the front sole part; the clamping portion is provided with a third tangent plane, and the inclination angle of the third tangent plane is the same as that of the first tangent plane.

As a preferable scheme, the separating sheet further comprises a third separating sheet arranged between the vamp transition piece and the clamping piece, the third separating sheet is provided with a second convex block, the clamping portion is provided with a second clamping groove on the third section, and the second convex block is inserted into the second clamping groove.

As a preferable scheme, the upper transition piece further comprises a heel transition piece, a third clamping groove is formed in the upper end surface of the heel part, a third protruding block is arranged on the heel transition piece, and the third protruding block is inserted into the third clamping groove; the heel transition piece is provided with a fourth tangent plane, and the inclination angle of the fourth tangent plane is the same as that of the second tangent plane; the upper end surface of the heel transition piece is provided with a third insertion groove along a fourth section, and the first clamping block of the second separating sheet is inserted in the third insertion groove.

The utility model has the beneficial effects that:

1. according to the utility model, the shoe tree is split into the three parts of the shoe tree core, the upper transition piece and the shoe tree shell, the upper transition piece is detachably connected with the shoe tree core, the shoe type of the shoe tree is changed by the upper transition piece, and the number of the shoe tree is changed by the shoe tree shell, so that the requirements of different shoe types and shoe sizes are met, the cost is saved and the utilization rate of the shoe tree is improved.

2. According to the utility model, the shoe tree is designed into a composite structure with an inner layer and an outer layer, and the plastic last shell is wrapped outside the metal last core and the upper transition piece, so that the metal last core is not easy to damage and can be repeatedly utilized; the plastic last shell can be processed into shoe trees with different sizes, and the last core can also be detached in a hot melting mode, so that the utilization cost is low, and the steps are simple.

3. According to the utility model, the separating sheet is arranged between the forepart and the heel part, so that the shoe last shell can be conveniently separated in the subsequent cutting process, the section of the shoe last shell can be separated through the separating sheet, the section is complete, the integrity of the appearance and the size of the shoe last is improved, and the manufactured shoe is more comfortable and more fit with the foot shape.

Drawings

Fig. 1 is a schematic structural view of a first embodiment of the removable footwear last of the present invention.

Fig. 2 is a cross-sectional view of the detachable shoe tree of fig. 1 taken along the elastic member.

Fig. 3 is a cross-sectional view of the removable last of fig. 1 taken along the partition.

Fig. 4 is an exploded view of the detachable shoe tree of fig. 1.

Fig. 5 is another perspective view of the removable footwear last of fig. 4.

Fig. 6 is a sectional view schematically illustrating a second embodiment of the removable footwear last according to the present invention.

Fig. 7 is an exploded view of the detachable shoe tree of fig. 6.

Fig. 8 is another perspective view of the removable footwear last of fig. 6.

The reference numbers illustrate: 10. 10 a-anterior palm portion; 11. 11 a-thread groove; 12. 12 a-a first bump; 13. 13 a-a first card slot; 14. 14 a-a second mating groove; 20. 20 a-heel; 21. 21 a-a first plug groove; 22-a third card slot; 30. 30 a-an upper transition piece; 31. 31 a-a second clamping block; 32-a clamping part; 33-a second card slot; a 40-heel transition piece; 41-a third plug groove; 42-third bump; 50. 50 a-last shell; 60. 60 a-a separator; 61. 61 a-first separator sheet; 62. 62 a-a second separator; 63-a third septa; 64. 64 a-perforation; 65. 65 a-hook; 66. 66 a-a first snap block; 67-second bump; 70. 70 a-a connecting assembly; 71. 71 a-an elastic member; 72. 72 a-a latch; 80. 80 a-a clamp; 81. 81 a-shaft hole; 82. 82 a-dovetail groove; 90. 90 a-bolt.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood 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 given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are used broadly and can be, for example, a fixed connection, a detachable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, or a communication between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, a first embodiment of the detachable shoe last of the present invention is shown, and the present embodiment discloses a high upper shoe last, which includes a clamping member 80, a last core, an upper transition member, and a last shell 50 covering the last core and the upper transition member; the last core comprises a half sole part 10, a heel part 20, a connecting assembly 70 and a separating sheet 60, wherein the lower end of the half sole part 10 is connected with the lower end of the heel part 20 through the connecting assembly 70, a V-shaped groove is formed in the upper end of the half sole part 10 and the upper end of the heel part 20, and a clamping piece 80 is inserted into the V-shaped groove and locked with the half sole part 10; the upper transition piece comprises an upper transition piece 30 and a heel transition piece 40, the upper transition piece 30 is detachably connected with the half sole part 10, and the heel transition piece 40 is detachably connected with the heel part 20; the separation sheet 60 is disposed between the forefoot portion 10 and the heel portion 20, between the forefoot portion 10 and the clamping member 80, between the heel portion 20 and the clamping member 80, between the vamp transition piece 30 and the clamping member 80, between the heel transition piece 40 and the clamping member 80, and extends from the connection thereof to divide the last shell 50 into a plurality of portions.

According to the utility model, the shoe tree is split into the three parts of the shoe tree core, the shoe upper transition piece and the shoe tree shell 50, the shoe upper transition piece is detachably connected with the shoe tree core, the shoe type of the shoe tree is changed by the shoe upper transition piece, and the number of the shoe tree is changed by the shoe tree shell 50, so that the requirements of different shoe types and shoe sizes are met, the cost is saved and the utilization rate of the shoe tree is improved.

Preferably, the forefoot portion 10, the heel portion 20, the vamp transition piece 30 and the heel transition piece 40 are made of metal, in particular aluminum or aluminum alloy; and last shell 50 is made of plastic. By designing the shoe tree into a composite structure with an inner layer and an outer layer and wrapping the plastic last shell 50 outside the metal last core and the upper transition piece, the metal last core is not easy to damage and can be recycled; the plastic last shell 50 can be processed into different sizes of lasts, and the last core can be detached in a hot melting mode, so that the utilization cost is low, and the steps are simple.

Preferably, the outer surface of the separator 60 is coated with a non-stick layer, particularly a teflon layer. Therefore, the plastic shoe last shell 50 can be conveniently separated in the subsequent cutting process, the section of the plastic shoe last shell can be separated through the separating sheet 60, the section is complete, the integrity of the appearance and the size of the shoe last is improved, and the manufactured shoe is more comfortable and more fit with the foot shape.

Preferably, the front palm portion 10 is provided with a thread groove 11, and the bolt 80 is in threaded connection with the thread groove 11, so as to lock the clamping member 80 and the front palm portion 10; in addition, the holder 80 has a shaft hole 81 formed in the top surface thereof and a dovetail groove 82 formed in the side surface thereof. The clamping member 80 is fixed by the machine through the dovetail groove 82 or the shaft hole 81, so that the shoe tree is fixed, and the clamping member 80 is arranged on the metal last core instead of the plastic last shell 50, so that the damage to the shoe tree in the moving or clamping process can be reduced by the indirect clamping mode.

As shown in fig. 2, the connecting assembly 70 includes an elastic member 71 and a latch 72, wherein the front sole portion 10 and the rear heel portion 20 are respectively provided with an accommodating groove therein, and one end of the elastic member 71 is inserted into the accommodating groove of the front sole portion 10 and is fixedly connected with the front sole portion 10 through the latch 72; the other end of the elastic member 71 is inserted into the receiving groove of the front sole portion 10 and is fixedly connected to the rear heel portion 20 through the latch 72. The elastic member 71 is bent in a hook shape to provide damping of sliding/folding of the forefoot portion 10 and the heel portion 20.

As shown in fig. 3, the top end of the vamp transition piece 30 is bent into a clamping portion 32, and the lower end surface of the clamping portion 32 is overlapped on the upper end surface of the front palm portion 10; the heel transition piece 40 is inserted on the upper end surface of the heel part 20; the upper end of the forepart 10 is provided with a first section, the upper end of the heel part 20 is provided with a second section, and the first section and the second section form a V-shaped groove; the clamping part 32 is provided with a third tangent plane, and the inclination angle of the third tangent plane is the same as that of the first tangent plane; the heel transition piece 40 has a fourth cut plane that is inclined at the same angle as the second cut plane.

The separation sheet 60 includes a first separation sheet 61, a second separation sheet 62, and a third separation sheet 63.

The lower part of the first parting sheet 61 is clamped between the front palm part 10 and the rear heel part 20, and the upper part is tightly attached to the first tangent plane, specifically: the front palm part 10 is provided with first lugs 12 at two sides of a thread groove 11 of a first tangent plane, the first separating sheet 61 is provided with a through hole 64 for two first lugs 12 to pass through, and the first separating sheet 61 is clamped with the first lugs 12 through the through hole 64; the upper end surface of the front palm portion 10 is provided with a first clamping groove 13, the top end of the first separation piece 61 is bent into a hook portion 65, and the hook portion 65 is clamped with the first clamping groove 13.

The upper part of the second separating sheet 62 is closely attached to the fourth tangent plane, and the lower part thereof is closely attached to the second tangent plane, specifically: the heel portion 20 is provided with a first insertion groove 21 along a second section from the upper end surface thereof, the heel transition piece 40 is provided with a third insertion groove 41 along a fourth section from the upper end surface thereof, the second partition piece 62 is provided with a first clamping block 66, and the first clamping block 66 is inserted into the first insertion groove 21 and the third insertion groove 41.

The sole portion 10 is provided with a hook-shaped section at the instep position, the sole portion 10 is provided with a second insertion groove 14 along the hook-shaped section from the upper end surface, the vamp transition piece 30 is provided with a second clamping block 31, and the second clamping block 31 is inserted into the second insertion groove 14.

The third division spacer 63 is tightly attached to the third section, specifically: the third division spacer 63 is provided with a second protrusion 67, the fastening portion 32 of the vamp transition piece 30 is provided with a second fastening groove 33 on a third section, and the second protrusion 67 is inserted into the second fastening groove 33.

In addition, the heel portion 20 is provided with a third slot 22 on the upper end surface thereof, the heel transition piece 40 is provided with a third projection 40, and the third projection 40 is inserted into the third slot 22.

Referring to fig. 6 to 8, a second embodiment of the detachable shoe last of the present invention is disclosed, which includes a clamping member 80a, a last core, an upper transition member, and a last shell 50a covering the last core and the upper transition member; the last core comprises a forepalm part 10a, a heel part 20a, a connecting assembly 70a and a separating sheet 60a, the lower end of the forepalm part 10a is connected with the lower end of the heel part 20a through the connecting assembly 70a, a V-shaped groove is formed at the upper end of the forepalm part 10a and the upper end of the heel part 20a, and a clamping piece 80a is inserted in the V-shaped groove and locked with the forepalm part 10 a; the upper transition piece comprises an upper transition piece 30a, and the upper transition piece 30a is detachably connected with the half sole part 10 a; the separation sheet 60a is disposed between the forefoot portion 10a and the heel portion 20a, between the forefoot portion 10a and the holding member 80a, and between the heel portion 20a and the holding member 80a, and extends from the junction thereof to divide the last shell 50a into several parts.

Unlike the first embodiment, the upper transition piece 30a of the present embodiment has only the upper transition piece 30a, and the upper end surface of the upper transition piece 30a is flush with the upper end surface of the half sole portion 10 a.

Similarly, the forefoot portion 10a, the heel portion 20a and the upper transition piece 30a are made of metal, and the last shell 50a is made of plastic, and the last shell 50a is separated by a non-stick layer coated on the outer surface of the separation sheet 60 a. In addition, the structure and the connection manner of the connection assembly 70a and the clamping member 80a are also the same as those of the first embodiment, and the connection assembly 70a includes an elastic member 71a and a latch 72 a; the front palm portion 10a is provided with a thread groove 11a, a bolt 80a is in threaded connection with the thread groove 11a, the clamping member 80a is provided with a shaft hole 81a on the top surface, and a dovetail groove 82a is provided on the side surface, which will not be described again.

As shown in fig. 6, the upper end of the half sole portion 10a has a first cut surface, the upper end of the heel portion 20a has a second cut surface, and the first cut surface and the second cut surface form a V-shaped groove; the separator 60a includes a first separator sheet 61a and a second separator sheet 62 a.

The lower part of the first separation sheet 61a is clamped between the forefoot portion 10a and the heel portion 20a, and the upper part thereof is arranged between the forefoot portion 10a and the clamping piece 80a, specifically: the front palm portion 10a is provided with a first bump 12a on a first cut surface, the first separation piece 61a is provided with a through hole 64a through which the first bump 12a can pass, and the first separation piece 61a is clamped with the first bump 12a through the through hole 64 a; the upper end surface of the front palm portion 10a is provided with a first engaging groove 13a, the tip end of the first partition 61a is bent into a hook portion 65a, and the hook portion 65a is engaged with the first engaging groove 13 a.

The second separator plate 62a is disposed between the heel 20a and the clamp 80a, specifically: the heel portion 20a is provided with a first inserting groove 21a along a second section from the upper end surface thereof, the second separating sheet 62a is provided with a first clamping block 66a, and the first clamping block 66a is inserted into the first inserting groove 21 a.

In addition, the sole portion 10a is provided with a hook-shaped cross section at the foot surface position, the sole portion 10a is provided with a second insertion groove 14a along the hook-shaped cross section from the upper end surface, the vamp transition piece 30a is provided with a second clamping block 31a, and the second clamping block 31a is inserted into the second insertion groove 14 a.

The above embodiments are merely illustrative of the preferred embodiments of the present invention, and not restrictive, and various changes and modifications to the technical solutions of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are intended to fall within the scope of the present invention defined by the appended claims.

Claims

1. A detachable shoe tree which characterized in that: the shoe comprises a shoe last core, an upper transition piece and a shoe last shell for wrapping the shoe last core and the upper transition piece, wherein the upper transition piece is detachably connected with the shoe last core; the last core comprises a forepart, a heel part and a separation sheet, wherein the separation sheet is arranged between the forepart and the heel part and extends out of a connecting part to divide the last shell into a plurality of parts.

2. The removable last of claim 1, wherein: the lower extreme of preceding palm portion with the lower extreme of back heel passes through coupling assembling and connects, coupling assembling includes elastic component and bolt, the one end of elastic component is passed through the bolt with preceding palm portion is connected, its other end pass through the bolt with back heel connects.

3. The removable last of claim 2, wherein: the upper end of the front palm part is provided with a first tangent plane, the upper end of the heel part is provided with a second tangent plane, and the first tangent plane and the second tangent plane form a V-shaped groove; the detachable shoe tree further comprises a clamping piece, and the clamping piece is inserted into the V-shaped groove and locked with the front palm portion through a bolt.

4. The removable last of claim 3, wherein: the separating sheet comprises a first separating sheet and a second separating sheet, the upper part of the first separating sheet is attached to the first tangent plane, and the lower part of the first separating sheet is clamped between the front palm part and the rear heel part; the heel part is provided with a first inserting groove from the upper end surface of the heel part along a second tangent plane, the second separating sheet is provided with a first clamping block, and the first clamping block is inserted in the first inserting groove.

5. The removable last of claim 4, wherein: the front palm part is provided with a thread groove on a first tangent plane, first lugs are arranged on two sides of the thread groove, the first separating piece is provided with a through hole for the two first lugs and the bolt to pass through, and the first separating piece is clamped with the first lugs through the through hole; preceding palm portion is equipped with first draw-in groove at its up end, the top bending of first parting sheet becomes hook portion, hook portion with first draw-in groove joint.

6. The removable last of claim 5, wherein: the upper transition piece comprises an upper transition piece, a hook-shaped section is arranged on the foot surface of the front sole portion, a second insertion groove is formed in the front sole portion along the hook-shaped section from the upper end face, a second clamping block is arranged on the upper transition piece, and the second clamping block is inserted into the second insertion groove.

7. The removable last of claim 6, wherein: the upper end surface of the vamp transition piece is flush with the upper end surface of the front sole part.

8. The removable last of claim 6, wherein: the upper end surface of the vamp transition piece is higher than the upper end surface of the front sole part, the top end of the vamp transition piece is bent into a clamping part, and the lower end surface of the clamping part is overlapped on the upper end surface of the front sole part; the clamping portion is provided with a third tangent plane, and the inclination angle of the third tangent plane is the same as that of the first tangent plane.

9. The removable last of claim 8, wherein: the separating sheet further comprises a third separating sheet arranged between the vamp transition piece and the clamping piece, the third separating sheet is provided with a second convex block, the third section of the clamping portion is provided with a second clamping groove, and the second convex block is inserted into the second clamping groove.

10. The removable last of claim 8, wherein: the upper transition piece also comprises a heel transition piece, the upper end surface of the heel part is provided with a third clamping groove, the heel transition piece is provided with a third convex block, and the third convex block is inserted into the third clamping groove; the heel transition piece is provided with a fourth tangent plane, and the inclination angle of the fourth tangent plane is the same as that of the second tangent plane; the upper end surface of the heel transition piece is provided with a third insertion groove along a fourth section, and the first clamping block of the second separating sheet is inserted in the third insertion groove.