Assembled shoe tree
Through the design of assembled shoe last, the positioning pins, pin holes, positioning tenons and locking devices are used to quickly disassemble and assemble the back body and head shape of the shoe last, solving the problems of high cost and cumbersome operation of existing shoe lasts, and achieving cost reduction and efficiency improvement.
Patent Information
- Application Number
- CN202421565597.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-04
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-07-04
AI Technical Summary
The existing shoe last has an overall structure, which makes it expensive to replace the new shoe last, and the existing connection method is cumbersome and cannot be replaced quickly.
The shoe last is divided into standardized rear body and head-shaped parts, through connecting structures such as positioning pins, latch holes, positioning tenons and positioning grooves, and is equipped with locking devices to realize the rapid disassembly and assembly of the rear body and head-shaped shape of the shoe last.
It reduces the cost of last replacement, improves replacement efficiency, and is suitable for a variety of shoes with different heel heights to meet the flexible needs of the footwear production line.
Smart Images

Figure CN223169257U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of shoe lasts, in particular to an assembled shoe last. Background Art
[0002] At present, the shoe lasts of the intelligent shoe production line are basically of an integral structure. When there is a new style of shoes, a new shoe last head shape is required, so the entire shoe last needs to be replaced, resulting in a large amount of waste. At present, the cost of each pair of shoe lasts in the intelligent production line is between 300 yuan and 500 yuan. If the needs of a production line are to be met, the replacement cost of the shoe lasts is huge. As the shoe industry is a fashion industry, it has a fast turnover and serious homogeneous competition. The order quantity of new styles is often small, while the cost of the shoe lasts remains high.
[0003] As the prior art, Chinese Patent CN201422487Y proposes a shoe last device. In this technical solution, the shoe last head and the shoe last are connected through elastic clamping rods and inserting rods. When connecting, the end of the telescopic rod is clamped in the groove. When separating the shoe last head from the shoe last, external tools are needed to compress the spring. It cannot be guaranteed that the external tools are always available, and the actual operation may be time-consuming and energy-consuming, etc. There is still room for improvement. Summary of the Utility Model
[0004] The purpose of the utility model is to provide an assembled shoe last. By standardizing the rear part of the shoe last and assembling the rear part of the shoe last with the shoe last head shape, the replacement cost of the shoe last is reduced, and a locking device is provided to lock and fix the rear part of the shoe last and the shoe last head shape.
[0005] To solve the above technical problems, the utility model adopts the following technical solutions: An assembled shoe last includes a shoe last body, and the shoe last body is divided into a rear part of the shoe last and a shoe last head shape by the toe girth line; it also includes a connecting structure for connecting the rear part of the shoe last and the shoe last head shape into the shoe last body.
[0006] As a further optimization of the utility model, the rear part of the shoe last and the shoe last head shape are radially aligned and connected through the connecting structure.
[0007] As a further optimization of the utility model, the rear part of the shoe last and the shoe last head shape are axially aligned and connected through the connecting structure.
[0008] As a further optimization of the utility model, the connecting structure includes a plurality of positioning pins arranged at the front end of the rear part of the shoe last and pin holes arranged at the rear end of the shoe last head shape and corresponding to the plurality of positioning pins one by one.
[0009] As a further optimization of the utility model, the connecting structure includes a positioning tenon arranged at the front end of the rear part of the shoe last and a positioning groove arranged at the rear end of the shoe last head shape and adapted to the shape of the positioning tenon.
[0010] As a further optimization of the present utility model, the positions of the plurality of plug holes are arranged in a triangular pattern.
[0011] As a further optimization of the present utility model, the cross-sectional shape of the positioning tenon is cylindrical.
[0012] As a further optimization of the present utility model, it further includes a locking device for locking and fixing the rear part of the shoe last and the head shape of the shoe last.
[0013] As a further optimization of the present utility model, the locking device includes a first groove provided at the bottom of the rear part of the opened shoe last and a second groove provided at the bottom of the head shape of the shoe last. The first groove and the second groove are arranged to communicate with each other front and back. A pair of fixed shafts are provided on the inner walls on both sides of the first groove; it further includes a rotating rod respectively rotatably connected to the pair of fixed shafts. One ends of the pair of rotating rods away from the pair of fixed shafts are connected by a connecting rod. A rotatable roller is provided at the middle position of the pair of rotating rods. A threaded hole is provided in the roller; it further includes a screw rod threadedly connected to the roller. A ring hook is provided at one end of the screw rod close to the second screw rod. An arc-shaped hook is provided on a fixing plate in the second groove.
[0014] As a further optimization of the present utility model, a boss is provided at one end of the first groove away from the second groove.
[0015] The beneficial effects of the present utility model are as follows: The rear part of the shoe last can be adapted to shoes with a variety of different heel heights, and the splitting surface of the rear part of the shoe last is consistent with the splitting surface of the head shape of the shoe last, so that the newly developed head shape of the shoe last can be adapted to the rear part of the shoe last. When it is necessary to replace the new style of shoes, only the head shape of the shoe last and the rear part of the shoe last need to be connected to form a suitable shoe last body, thereby effectively reducing the cost of replacing the shoe last. A locking device is provided for locking and fixing the rear part of the shoe last and the head shape of the shoe last. Description of the Drawings
[0016] Figure 1 It is a schematic cross-sectional structure diagram of Embodiment 1;
[0017] Figure 2 It is a schematic cross-sectional structure diagram of Embodiment 2;
[0018] Figure 3 It is a schematic top view structure diagram of Embodiment 2;
[0019] Figure 4 It is a schematic bottom view structure diagram of Embodiment 1 and Embodiment 2.
[0020] Meanings of the reference numerals in the figure: 1, shoe last body; 10, toe girth line; 11, rear part of the shoe last; 12, head shape of the shoe last; 3, positioning pin; 4, pin hole; 5, positioning tenon; 6, positioning groove; 71, first groove; 711, fixed shaft; 712, rotating rod; 7121, connecting rod; 72, second groove; 721, fixing plate; 722, hook; 8, roller; 81, screw; 811, ring hook; 9, boss. Detailed implementation manner
[0021] This specific embodiment is only an explanation of the present invention, and it is not a limitation of the present invention. After reading this specification, those skilled in the art can make modifications to this embodiment that do not contribute creatively as needed, but as long as they are within the scope of the claims of the present invention, they are protected by the Patent Law.
[0022] Embodiment 1:
[0023] See the appendix Figure 1 , 4 In this embodiment disclosed by the present invention, further provided is an assembled shoe last, including a shoe last body 1, and the shoe last body 1 is divided into a rear part 11 of the shoe last and a head shape 12 of the shoe last by a toe girth line 10; further included is a connecting structure for radially aligning and connecting the rear part 11 of the shoe last and the head shape 12 of the shoe last into the shoe last body 1.
[0024] Specifically, the connecting structure includes a plurality of positioning pins 3 provided at the front end of the rear part 11 of the shoe last and pin holes 4 provided at the rear end of the head shape 12 of the shoe last and corresponding to the plurality of positioning pins 3 one by one. Further, the positions of the plurality of pin holes 4 are arranged in a triangular pattern.
[0025] Further, further included is a locking device for locking and fixing the rear part 11 of the shoe last and the head shape 12 of the shoe last.
[0026] Specifically, the locking device includes a first groove 71 provided at the bottom of the rear part 11 of the shoe last and a second groove 72 provided at the bottom of the head shape 12 of the shoe last. The first groove 71 and the second groove 72 are arranged to communicate with each other front and back. A pair of fixed shafts 711 are provided on the inner walls on both sides of the first groove 71; further included are rotating rods 712 respectively rotatably connected to the pair of fixed shafts 711. One ends of the pair of rotating rods 712 away from the pair of fixed shafts 711 are connected by a connecting rod 7121. A rotatable roller 8 is provided at the middle position of the pair of rotating rods 712, and a threaded hole is provided in the roller 8; further included is a screw 81 threadedly connected to the roller 8. A ring hook 811 is provided at one end of the screw 81 close to the second screw 81. A fixing plate 721 is provided in the second groove 72, and an arc-shaped hook 722 is provided on the fixing plate 721. Further, a boss 9 is provided at one end of the first groove 71 away from the second groove 72.
[0027] The principle of the present utility model is as follows: During installation, align the positioning pin 3 on the rear body 11 of the shoe last with the insertion pin hole 4 at the rear end of the shoe last head shape 12, so as to align the two in the radial direction. Insert and cooperate the insertion pin hole 4 with the positioning pin 3, thereby connecting the rear body 11 of the shoe last with the head body of the shoe last to form the shoe last body 1. The multiple positioning pins 3 are arranged in a triangle, enhancing the connection strength and the structural stability.
[0028] Then lift the connecting rod 7121. The connecting rod 7121 drives a pair of rotating rods 712 to deflect around a pair of fixed shafts 711. At this time, the ring hook 811 approaches the hook 722 in the second groove 72. Then rotate the roller 8, and the screw 81 rotates simultaneously to adjust the ring hook 811 to a suitable angle and then hook the hook 722. Then press down the connecting rod 7121 to reset. The pair of rotating rods 712 deflect in the opposite direction around the pair of fixed shafts 711, so that the ring hook 811 tightens the hook 722, thereby locking and fixing the rear body 11 of the shoe last and the shoe last head shape 12. When the connecting rod 7121 is pressed down, it abuts against the surface of the boss 9, and there is a height difference between the boss 9 and the bottom of the first groove 71, so that there is a gap between the rotating rod 712 and the bottom of the first groove 71, which is convenient for lifting.
[0029] In the above solution, the rear body 11 of the shoe last can be adapted to shoes with various different heel heights, and the dividing surface of the rear body 11 of the shoe last is consistent with the dividing surface of the shoe last head shape 12, so that the newly developed shoe last head shape 12 can be adapted to the rear body 11 of the shoe last. When it is necessary to replace the new style of shoes, only need to replace the shoe last head shape 12 and the rear body 11 of the shoe last to connect into a suitable shoe last body 1, thereby effectively reducing the cost of replacing the shoe last.
[0030] Embodiment 2;
[0031] See the appendix Figures 2 - 4 As shown in the figure, the present embodiment disclosed by the present utility model is further provided with: An assembled shoe last, including a shoe last body 1, and the shoe last body 1 is divided into a rear body 11 of the shoe last and a shoe last head shape 12 by the toe girth line 10; It also includes a connecting structure for axially aligning and connecting the rear body 11 of the shoe last and the shoe last head shape 12 into the shoe last body 1.
[0032] Specifically, the connecting structure includes a positioning tenon 5 provided at the front end of the rear body 11 of the shoe last and a positioning groove 6 provided at the rear end of the shoe last head shape 12 and having a shape adapted to the positioning tenon 5. Further, the cross-sectional shape of the positioning tenon 5 is cylindrical.
[0033] Further, it also includes a locking device for locking and fixing the rear body 11 of the shoe last and the shoe last head shape 12.
[0034] Specifically, the locking device includes a first groove 71 provided at the bottom of the rear body 11 of the open shoe last and a second groove 72 provided at the bottom of the shoe last head 12. The first groove 71 and the second groove 72 are communicatively connected to each other front and back. A pair of fixed shafts 711 are provided on the inner walls on both sides of the first groove 71; it further includes a pair of rotating rods 712 respectively rotatably connected to the pair of fixed shafts 711. One ends of the pair of rotating rods 712 far from the pair of fixed shafts 711 are connected by a connecting rod 7121. A rotatable roller 8 is provided at the middle position of the pair of rotating rods 712, and a threaded hole is provided in the roller 8; it further includes a screw rod 81 threadedly connected to the roller 8. A ring hook 811 is provided at one end of the screw rod 81 close to the second screw rod 81. A fixing plate 721 is provided in the second groove 72, and an arc-shaped hook 722 is provided on the fixing plate 721. Further, a boss 9 is provided at one end of the first groove 71 far from the second groove 72.
[0035] The principle of the present utility model is as follows: during installation, the positioning tenon 5 of the rear body 11 of the shoe last is aligned with the positioning groove 6 at the rear end of the shoe last head 12, so as to align the two in the radial direction. The pin hole 4 is inserted and matched with the positioning pin 3, so as to connect the rear body 11 of the shoe last and the shoe last head body to form the shoe last body 1. The positioning tenon 5 is cylindrical, which can reduce the wear when being inserted and matched with the positioning groove 6;
[0036] Then lift the connecting rod 7121. The connecting rod 7121 drives the pair of rotating rods 712 to deflect around the pair of fixed shafts 711. At this time, the ring hook 811 approaches the hook 722 in the second groove 72. Then rotate the roller 8, and the screw rod 81 rotates simultaneously to adjust the ring hook 811 to a suitable angle and then hook the hook 722. Then press down the connecting rod 7121 to reset. The pair of rotating rods 712 deflect in the opposite direction around the pair of fixed shafts 711, so that the ring hook 811 tightens the hook 722, so as to lock and fix the rear body 11 of the shoe last and the shoe last head 12. When the connecting rod 7121 is pressed down, it abuts against the surface of the boss 9, and there is a height difference between the boss 9 and the bottom of the first groove 71, so that there is a gap between the rotating rod 712 and the bottom of the first groove 71, which is convenient for lifting;
[0037] In the above solution, the rear body 11 of the shoe last can be adapted to shoes with a variety of different heel heights, and the dividing surface of the rear body 11 of the shoe last is consistent with the dividing surface of the shoe last head 12, so that the newly developed shoe last head 12 can be adapted to the rear body 11 of the shoe last. When a new style of shoes needs to be replaced, only the shoe last head 12 and the rear body 11 of the shoe last need to be connected to form a suitable shoe last body 1, thereby effectively reducing the cost of replacing the shoe last.
[0038] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications made under the above assumptions should also be regarded as the protection scope of the present utility model.
Claims
1. An assembled shoe last, comprising a shoe last body (1), characterized in that, The shoe last body (1) is divided into a rear part of the shoe last (11) and a shoe last head shape (12) by a toe girth line (10); it further includes a connecting structure for connecting the rear part of the shoe last (11) and the shoe last head shape (12) into the shoe last body (1); it further includes a locking device for locking and fixing the rear part of the shoe last (11) and the shoe last head shape (12). The locking device includes a first groove (71) provided at the bottom of the rear part of the open shoe last (11) and a second groove (72) provided at the bottom of the shoe last head shape (12). The first groove (71) and the second groove (72) are communicated with each other front and back. A pair of fixed shafts (711) are provided on the inner walls on both sides of the first groove (71); it further includes a rotating rod (712) rotatably connected to the pair of fixed shafts (711) respectively. One ends of the pair of rotating rods (712) far away from the pair of fixed shafts (711) are connected by a connecting rod (7121). A rotatable roller (8) is provided at the middle position of the pair of rotating rods (712). The roller (8) is provided with a threaded hole; it further includes a screw rod (81) threadedly connected to the roller (8). A ring hook (811) is provided at one end of the screw rod (81) close to the second screw rod (81). A fixing plate (721) is provided in the second groove (72), and an arc-shaped hook (722) is provided on the fixing plate (721).
2. The assembled shoe last according to claim 1, characterized in that, The rear part of the shoe last (11) and the shoe last head shape (12) are radially aligned and connected through the connecting structure.
3. The assembled shoe last according to claim 1, characterized in that, The rear part of the shoe last (11) and the shoe last head shape (12) are axially aligned and connected through the connecting structure.
4. The assembled shoe last according to claim 2, characterized in that, The connecting structure includes a plurality of positioning pins (3) provided at the front end of the rear part of the shoe last (11) and pin holes (4) provided at the rear end of the shoe last head shape (12) and corresponding to the plurality of positioning pins (3) one by one.
5. The assembled shoe last according to claim 3, characterized in that, The connecting structure includes a positioning tenon (5) provided at the front end of the rear part of the shoe last (11) and a positioning groove (6) provided at the rear end of the shoe last head shape (12) and having a shape adapted to that of the positioning tenon (5).
6. The assembled shoe last according to claim 4, wherein, The positions of the plurality of pin holes (4) are arranged in a triangular pattern.
7. The assembled shoe last according to claim 5, wherein The shape of the positioning tenon (5) is cylindrical.
8. The assembled shoe last according to claim 7, characterized in that, A boss (9) is provided at one end of the first groove (71) far away from the second groove (72).
Citation Information
Patent Citations
Shoe tree device
CN201422487Y