TWI765803B - Fastener of three-dimensional combination toy - Google Patents

Abstract

A fastener of a three-dimensional combined toy is used to be installed between a plurality of unit pieces combined with each other in a three-dimensional combined toy, and the fastener is provided with an insertion slot of one unit or two combined units by its fitting groove at the base of the fastener. The convex part is inserted and positioned, and the base of the fastener is used to form a plurality of hook parts to fasten the unit pieces, which can reduce the influence of the thickness variation of the unit piece, or use the fastener to be a plastic or rubber material. The toughness and elasticity of the fastener unit The insertion convex part of the sheet absorbs assembly tolerances, and the base wall of the base of the fastener can be inserted into the matching hole of the other unit sheet, so that the plurality of unit sheets can be provided with a stable joint state by the fastener, overcoming The thickness variation and assembly tolerances between the individual pieces of the existing three-dimensional combined toy may affect the joint stability.

Description

Fastener of three-dimensional combination toy

The present invention relates to a fastener, in particular to a fastener used in a three-dimensional combined toy to assist in the combination and fixation of unit pieces.

At present, such as a three-dimensional combination toy, it is made of wood or paper sheets cut into specific shapes, and a three-dimensional toy is assembled by inserting a plurality of unit pieces according to a predetermined three-dimensional shape.

In the aforementioned three-dimensional combined toy, although the unit pieces can be completed by using the concave-convex combination that matches each other, however, in the existing three-dimensional combined toy, most of the used units are made of wood sheets or paper sheets by punching and cutting. Although it can control the shape of the cell, it is difficult to control the thickness and size of the wood or paper cell, and the wood or paper cell itself does not have toughness and elasticity, resulting in When the combined structure of the inter-connection is related to the thickness of the die, it is easy to affect the bonding stability of the combined die due to the variation of the thickness dimension or the assembly tolerance, etc., and it is necessary to further improve this.

The purpose of the present invention is to provide a fastener for a three-dimensional combined toy, which solves the problem of the fastening and combined relationship that is difficult to achieve due to thickness variation and assembly tolerances of the existing three-dimensional combined toy unit pieces.

In order to achieve the aforesaid purpose, the fastener of the three-dimensional combined toy proposed by the present invention is used to be installed between a plurality of unit pieces of the three-dimensional combined toy, and the fastener includes: A fastener base, which includes a base wall and a fitting groove formed in the base wall with the notch facing one side, the fitting groove can provide one of the unit pieces or combined two of the The unit piece is inserted therein; and a plurality of hook portions are formed on the base wall on the periphery of the slot of the fitting groove and protrude outward, and can be buckled at each position inserted in the fitting groove. The unit piece is further embedded and fixed in a matching fitting hole of the other unit piece by means of the base wall of the base of the fastener.

In order to achieve the aforesaid purpose, the fastener of another three-dimensional combined toy proposed by the present invention is used to be installed between a plurality of units of the three-dimensional combined toy. A deformable elastic element, the fastener includes a fastener base, the fastener base includes a base wall and a fitting groove formed in the base wall with the notch facing one side, so that a said unit piece Or combined two of the unit pieces are inserted into the fitting groove, and are elastically clamped and fixed by the base wall body, and are embedded and fixed to the other matched unit piece by the base wall body. fit in the hole.

Through the structural invention of the aforementioned fastener, it can be mass-produced by injection molding, and the quality of the product is stable in size, shape, etc., so as to be used in a three-dimensional combined toy, wherein the fastener base can be used to cover a unit piece or insert each other. On the two unit pieces that are to be connected and combined, the fitting groove in the base wall body provides the accommodation space of the inserting convex part of the unit piece with an appropriate margin, and then the snap hook part is used to fasten and fix the unit piece, so that the fastener can be It is fixed on the unit piece, or by the elasticity of the fastener itself, which can be squeezed and deformed, so that the inserting convex part of the unit piece is inserted into the fitting groove in the base wall to be firmly clamped and fixed, absorbing The assembly tolerance between the fastener and the inserting protrusions of the unit element reduces the influence of the variation of the thickness of the die, and the fastener can be fitted with the laser-cut forming of the base wall of the other die with a stable shape and size The holes are matched and combined, so that the plurality of units can be firmly combined by the fasteners, which overcomes the problem that the combination between the units of the existing three-dimensional combination toy is not easy to be firmly combined due to the influence of thickness variation.

The fastener of the present invention can further form chamfered or rounded corners at the intersections of the surfaces of the outer peripheral surface of the base wall, so as to improve the smoothness of assembly between the base wall of the fastener and the fitting hole of the unit. sex.

1A: Fastener

10A: Fastener base

11A: Base Wall

12A: Fitting groove

121A: Notch

20A: Hook part

21A: Hook body

22A: Hook block

30A: single chip

31A: Insertion convex part

32A: Snap hole

40A: Monolithic

41A: Fitting hole

1B: Fasteners

10B: Fastener Base

11B: Base Wall

12B: Fitting groove

121B: Notch

20B: Hook part

21B: Hook body

22B: Hook block

50B: Monolithic

51B: Insertion convex part

52B: Buckle Recess

53B: Insert slot

60B: Monolithic

61B: Insertion convex part

62B: Buckle Recess

63B: Combination slot

70B: Monolithic

71B: Fitting hole

1C: Fastener

10C: Fastener Base

11C: basal wall

12C: Fitting groove

121C: Notch

30C: Monolithic

31C: Insertion convex part

40C: Monolithic

41C: Fitting hole

1D: Fastener

10D: Fastener base

11D: base wall

12D: Fitting groove

121D: Notch

50D: Monolithic

51D: Insertion convex part

53D: Insert slot

60D: Monolithic

61D: Insertion convex part

63D: Combination slot

70D: Die

71D: Fitting hole

FIG. 1 is a perspective view of the first preferred embodiment of the fastener of the three-dimensional combination toy of the present invention.

FIG. 2 is a bottom perspective view of the first preferred embodiment of the fastener shown in FIG. 1 .

FIG. 3 is a reference view (1) of the use state of the first preferred embodiment of the fastener shown in FIG. 1 and FIG. 2 applied to the assembly between two units of a three-dimensional combined toy.

4 is a reference diagram (2) of the use state of the first preferred embodiment of the fastener shown in FIG. 1 and FIG. 2 applied to the assembly between two units of a three-dimensional combined toy.

FIG. 5 is a reference diagram (3) of the use state of the first preferred embodiment of the fastener shown in FIG. 1 and FIG. 2 applied to the assembly between two units of a three-dimensional combined toy.

6 is a schematic cross-sectional view of the assembly of the first preferred embodiment of the fastener shown in FIGS. 1 and 2 applied to a three-dimensional assembly toy set between two unit pieces.

7 is a perspective view of a second preferred embodiment of the fastener of the three-dimensional combined toy of the present invention.

FIG. 8 is a bottom perspective view of the second preferred embodiment of the fastener shown in FIG. 7 .

FIG. 9 is a reference diagram (1) of the use state of the second preferred embodiment of the fastener shown in FIG. 7 and FIG. 8 applied to the three-unit inter-piece assembly of the three-dimensional combined toy.

FIG. 10 is a reference diagram (2) of the use state of the second preferred embodiment of the fastener shown in FIG. 7 and FIG. 8 applied to the three-unit inter-piece assembly of the three-dimensional combined toy.

11 is a reference diagram (3) of the use state of the second preferred embodiment of the fastener shown in FIG. 7 and FIG. 8 applied to the three-unit assembly of the three-dimensional combined toy.

12 is a schematic cross-sectional view of the assembly of the second preferred embodiment of the fastener shown in FIGS. 7 and 8 applied to a three-dimensional assembly toy set between three units.

13 is a perspective view of the third preferred embodiment of the fastener of the three-dimensional combination toy of the present invention.

FIG. 14 is a bottom perspective view of the third preferred embodiment of the fastener shown in FIG. 1 .

15 is a reference view (1) of the use state of the third preferred embodiment of the fastener shown in FIGS. 13 and 14 applied to the assembly between two units of a three-dimensional combination toy.

16 is a reference view (2) of the use state of the third preferred embodiment of the fastener shown in FIG. 13 and FIG. 14 applied to the assembly between two units of a three-dimensional combination toy.

Fig. 17 is a reference view (3) of the use state of the third preferred embodiment of the fastener shown in Figs. 13 and 14 applied to the assembly between two units of a three-dimensional combination toy.

Fig. 18 is a schematic cross-sectional view of the assembly of the third preferred embodiment of the fastener shown in Figs. 13 and 14 applied to a three-dimensional assembly toy set between two units.

19 is a perspective view of the fourth preferred embodiment of the fastener of the three-dimensional combination toy of the present invention.

FIG. 20 is a bottom perspective view of the fourth preferred embodiment of the fastener shown in FIG. 19 .

Fig. 21 is a reference view (1) of the use state of the fourth preferred embodiment of the fastener shown in Figs. 19 and 20 applied to the three-unit inter-piece assembly of the three-dimensional combined toy.

Fig. 22 is a reference diagram (2) of the use state of the fourth preferred embodiment of the fastener shown in Fig. 19 and Fig. 20 applied to the three-unit inter-piece assembly of the three-dimensional combined toy.

Fig. 23 is a reference view (3) of the use state of the fourth preferred embodiment of the fastener shown in Fig. 19 and Fig. 20 applied to three-unit inter-piece assembly of a three-dimensional combined toy.

24 is a schematic cross-sectional view of the assembly of the fourth preferred embodiment of the fastener shown in FIGS. 19 and 20 applied to a three-dimensional assembly toy set between three units.

As shown in FIG. 1 and FIG. 7 , two preferred embodiments of the fasteners 1A and 1B of the three-dimensional combined toy of the present invention are disclosed. The fasteners 1A and 1B can be molded components of plastic, rubber or other materials. , the molding can be achieved by technical means such as injection molding. From the first preferred embodiment and the second preferred embodiment, it can be seen that the fasteners 1A, 1B include a fastener base 10A, 10B and plural hook portions 20A, 20B.

As shown in FIGS. 1-2 and 7-8 , the fastener bases 10A, 10B include a base wall 11A, 11B and a fitting groove 12A, 12B, the fitting grooves 12A, 12B are formed in In the base wall bodies 11A, 11B with the notches 121A, 121B facing one side, the plurality of hook portions 20A, 20B are formed in the base wall bodies 11A, 11B in the notches 121A, 121B of the fitting grooves 12A, 12B The perimeter and protrudes outwards. The plurality of hook portions 20A, 20B are formed in a corresponding arrangement corresponding to the longitudinal centerlines of the base walls 11A, 11B, and the ends of the hook portions 20A, 20B are free ends, and the hook portions 20A, 20B have A hook piece 21A, 21B and a hook block 22A, 22B located at the end of the hook piece 21A, 21B and facing the side of the longitudinal centerline of the base wall 11A, 11B.

In the preferred embodiment shown in FIG. 1 and FIG. 2 , the base wall 11A forms a rectangular block, and the intersection of each surface and surface of the outer peripheral surface of the base wall 11A can form a chamfer or a rounded corner. The joint groove 12A forms an in-line concave portion, and has two hook portions 20A formed in the rectangular base wall body 11A. The long sides of both sides of the notch 121A are arranged opposite to each other.

In the preferred embodiment shown in FIG. 7 and FIG. 8 , the base wall body 11B forms a cross-shaped block, and the intersection of each surface and surface of the outer peripheral surface of the base wall body 11B can be formed with chamfered or rounded corners. The fitting groove 12B forms a cross-shaped concave portion, and has four hook portions 20B formed on the four sides of the periphery of the notch 121B of the cross-shaped base wall body 11B, and arranged in pairs opposite to each other.

When the fastener of the present invention is applied to a three-dimensional combination toy, the matching fastener is selected according to the combination relationship between the plurality of units in the three-dimensional combination toy, as shown in Figs. When the two unit chips 30A and 40A are assembled relative to each other, the two unit chips 30A and 40A The side of the first unit piece 30A has a plugging convex portion 31A protruding outward and a buckle hole 32A located in the inner direction of the plugging convex portion 31A, and a fitting hole is preset in the second unit piece 40A. 41A, the fastener 1A is sleeved on the outer side of the plugging protrusion 31A on the side of the first unit piece 30, that is, the plugging protrusion 31A extends into the fitting groove 12A of the fastener base 10A, and the two The hooks 20A are located on both sides of the first unit piece 30A and are fastened on opposite sides of the fastening hole 32A, so that the fastener 1A is fixed to the outside of the plugging protrusions 31A of the first cell piece 30A, wherein using The space in the fitting groove 12A, or further matched with the material properties such as the toughness and elasticity of the plastic or rubber fastener 1A, absorbs the assembly tolerance between the insertion convex portion 31A of the first unit piece 30A and the fastener 1A, It is ensured that the fastener 1A and the first unit piece 30A have good bonding stability. Next, the fitting hole 41A of the second unit piece 40A is aligned with the base wall 11A of the fastener 1A, so that the first unit piece 30A is firmly combined with the fastener 1A and the second unit piece 40A. The smoothness of assembly with the second die 40A is improved by the chamfered or rounded corners at the surface-to-surface intersection of the outer peripheral surface of the base wall 11A.

As shown in FIG. 9 to FIG. 12 , when the three units 50B, 60B and 70B in the three-dimensional combination toy are plugged and combined with each other, the top side of the first unit 50B of the three units 50B, 60B and 70B has The plug-in convex portion 51B protruding upward and the buckled concave edges 52B located on opposite sides of the plug-in convex portion 51B, and the first unit piece 50B, a plug extending downward from the top side of the plug-in convex portion 51B. In the slot 53B, the top side of the second unit piece 60B has a plug-in protrusion 61B protruding upward and a buckled concave edge 62B located on opposite sides of the plug-in protrusion 61B, and the lower section of the second unit piece 60B A combination groove 63B is provided at a position corresponding to the insertion convex portion 61B, and a fitting hole 71B is preset in the third unit piece 70B.

When the three units 50B, 60B and 70B are combined, the first unit 50B and the second unit 60B are vertically inserted and combined by using the corresponding insertion slot 53B and the combination slot 63B. The fastener base 10B of the cross-shaped fastener 1B is sleeved on the outside of the insertion convex portion 51B of the first unit piece 50B and the insertion convex portion 61B of the second unit piece 60B, and the four hook portions of the fastener 1B 20B is respectively buckled to the side of the inserting convex portion 51B of the first unit piece 50B and the inserting convex portion 61B of the second unit piece 60B The buckling concave edges 52B and 62B of the sides make the buckle 1B fixed on the outside of the plugging convex portion 51B of the first unit piece 50B and the inserting convex portion 61B of the second unit piece 60B, wherein the fitting groove is used. The space in 12B, or further matched with the material properties such as the toughness and elasticity of the plastic or rubber fastener 1B, absorbs the plugging protrusions 51B of the first cell 50B and the plugging protrusions 61B of the second cell 60B The assembly tolerance with the fastener 1B ensures good bonding stability between the fastener 1B and the first unit piece 50B and the second unit piece 60B. Next, the fitting hole 71B of the third unit piece 70B is aligned and combined with the base wall 11B of the fastener 1B, so that the vertically inserted first unit piece 50B and the second unit piece 60B are combined with the fastener 1B It is firmly bonded to the third die 70B. The smoothness of assembly with the third die 70B is improved by the chamfered or rounded corners at the surface-to-surface intersection of the outer peripheral surface of the base wall body 11B.

As shown in FIG. 13 and FIG. 20 , two other preferred embodiments of the fasteners 1C and 1D of the three-dimensional combination toy of the present invention are disclosed. From the third preferred embodiment and the fourth preferred embodiment, the The fasteners 1C and 1D can be plastic or rubber molded components, and the molding can be achieved by technical means such as injection molding.

As shown in FIGS. 13 to 14 and FIGS. 19 to 20 , from these preferred embodiments, it can be seen that the fasteners 1C, 1D include a fastener base 10C, 10D. The fastener bases 10C, 10D include a base wall 11C, 11D and a fitting groove 12A, 12D, the fitting groove 12C, 12D is formed in the base wall 11C, 11D and the notches 121C, 121D are facing side.

In the preferred embodiment shown in FIGS. 13 and 14 , the base wall body 11C forms a rectangular block, and the surface-to-surface intersection of the outer peripheral surface of the base wall body 11C can form a chamfered or rounded corner. The groove 12C forms an inline-shaped concave portion. As shown in FIG. 19 and FIG. 20 , the base wall 11D forms a cross-shaped block, and the surface-to-surface intersection of the outer peripheral surface of the base wall 11D can form a chamfered or rounded corner. The engaging groove 12D forms a cross-shaped concave portion.

When the fastener of the present invention is applied to a three-dimensional combined toy, a matching fastener is selected according to the combination relationship between the plural units in the three-dimensional combined toy, as shown in Figures 15 to 18, wherein, When the two unit pieces 30C and 40C in the three-dimensional combination toy are inserted and assembled relative to each other, the side of the first unit piece 30C of the two unit pieces 30C and 40C has a plugging protrusion 31C protruding outward, and the second A fitting hole 41C is preset in the unit piece 40C, and the fastener 1C is sleeved on the outer side of the inserting convex portion 31C on the gold side of the first unit piece 30 , that is, the inserting convex portion 31C extends into the fastener In the fitting groove 12C of the base portion 10C, the inserting convex portion 51C of the first unit piece 50C is inserted into the fitting groove 12C by virtue of the material properties of the fastener being plastic or rubber material such as toughness and elasticity. It is clamped and fixed by the base wall body 11C to absorb the assembly tolerance between the fastener 1C and the insertion convex portion 51C of the first unit piece 50C. Next, the fitting hole 41C of the second unit piece 40C is aligned with the base wall 11C of the fastener, so that the first unit piece 30C is firmly combined with the fastener 1C and the second unit piece 40C. The smoothness of assembly with the second die 40C is improved by the chamfered or rounded corners at the surface-to-surface intersection of the outer peripheral surface of the base wall 11C.

As shown in FIG. 21 to FIG. 24 , when the three units 50D, 60D and 70D in the three-dimensional combination toy are plugged and combined with each other, the top side of the first unit 50D among the three units 50D, 60D and 70D has a The plugging protrusion 51D protruding upward, and the first die 50D has a socket 53D extending downward from the top side of the plugging protrusion 51D, and the top side of the second die 60D has upward The protruding inserting convex portion 61D has a combination groove 63D at the lower section of the second unit piece 60D corresponding to the inserting convex portion 61D, and a fitting hole 71D is preset in the third unit piece 70D. When the three-unit chips 50D, 60D, and 70D are combined, the first unit chip 50D and the second unit chip 60D are vertically inserted and combined by using the matching of the corresponding insertion slot 53D and the combination slot 63D. The fastener base 10D of the cross-shaped fastener 1D is sleeved on the outside of the insertion convex portion 51D of the first unit piece 50D and the insertion convex portion 61D of the second unit piece 60D, because the fastener 1D is made of plastic or Due to the material properties of the rubber material such as toughness and elasticity, the inserting convex portion 51D of the first unit piece 50D and the inserting convex portion 61D of the second unit piece 60D are inserted into the fitting groove, and are supported by the base wall. The body 11D is clamped and fixed to absorb the assembly tolerance between the fastener 1D and the plugging protrusions 51D of the first cell 50D and the plugging protrusions 61D of the second cell 60D. Next, the fitting hole 71D of the third unit piece 70D is aligned and combined with the base wall 11D of the fastener 1D, so that the first vertically inserted The die 50D, the second die 60D are combined with the fastener 1D firmly with the third die 70D. The smoothness of assembly with the third die 70D is improved by the chamfered or rounded corners at the surface-to-surface intersection of the outer peripheral surface of the base wall 11D.

It can be seen from the above description that the invention can be mass-produced by injection molding through the creation of the fastener structure, and the size and shape of the product can reach a predetermined quality level, so that it can be used in a three-dimensional combined toy, using the fastener base. It is sleeved on one unit piece or two unit pieces that are inserted and combined with each other, and the fitting groove in the base wall body provides the accommodation space of the inserting convex part of the unit piece with a proper margin, and then is fastened with the hook part. For the unit piece, the fastener can be fixed on the unit piece, or the inserting convex part of the unit piece can be inserted into the fitting groove in the base wall by the elasticity of the fastener itself can be squeezed and deformed. The inner part is firmly clamped and fixed to reduce the influence of the variation of the thickness of the die, and the fastener can be matched with the laser-cut fitting hole in the other die with a stable shape and size of the base wall, so that the complex A firm joint state can be provided between the unit pieces by means of fasteners, thereby providing firm joint performance in a three-dimensional combined toy.

1A: Fastener

10A: Fastener base

11A: Base Wall

20A: Hook part

30A: single chip

32A: Snap hole

40A: Monolithic

41A: Fitting hole

Claims (8)

A fastener of a three-dimensional combined toy is used to be installed between a plurality of unit pieces combined with each other of the three-dimensional combined toy, and the fastener includes: A fastener base, which includes a base wall and a fitting groove formed in the base wall with the notch facing one side, the fitting groove can provide one of the unit pieces or combined two of the the die inserted therein; and A plurality of hook parts are formed on the base wall on the periphery of the slot of the fitting groove and protrude outward, and can be snapped into each of the unit pieces inserted in the fitting groove, and the The base wall of the base of the fastener is embedded and fixed in a matching fitting hole of the other unit piece. The fastener for a three-dimensional combined toy according to claim 1, wherein a plurality of the hooks are formed in a corresponding arrangement corresponding to a longitudinal centerline of the base wall. The fastener for a three-dimensional combined toy according to claim 1, wherein the base wall body forms a rectangular block, the fitting groove forms an in-line concave portion, and has two hook portions formed on the rectangular base portion The long sides of the two sides of the peripheral edge of the notch of the wall body are arranged oppositely. The fastener for a three-dimensional combined toy according to claim 1, wherein the base wall body forms a cross-shaped block, the fitting groove forms a cross-shaped concave portion, and has four hooks formed on the cross-shaped portion. The four sides of the periphery of the notch of the base wall body are arranged in opposite directions. The fastener for a three-dimensional combined toy according to any one of claims 1 to 4, wherein the fastener is an element molded from a plastic or rubber material. A fastener of a three-dimensional combined toy is used to be installed between a plurality of unit pieces combined with each other of the three-dimensional combined toy. The device includes a fastener base, the fastener base includes a base wall and a fitting groove formed in the base wall with the notch facing one side, so that one of the unit pieces or the combined two of the The unit piece is inserted into the fitting groove, and is elastically clamped and fixed by the base wall body, and is embedded and fixed in a matching fitting hole of the other unit piece by the base wall body. The fastener for a three-dimensional building block toy according to claim 6, wherein the base wall body forms a rectangular block, and the fitting groove forms an in-line concave portion. The fastener for a three-dimensional building block toy according to claim 6, wherein the base wall body forms a cross-shaped block, and the fitting groove forms a cross-shaped concave portion.

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