JP2001074010A - Coupling device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a coupling device, having a new structure wherein a coupling member is exchanged in a manner to mate with a part to be coupled. SOLUTION: A coupling device 1 is provided with a cylinder body 2. The cylindrical body 2 is formed such that first and second coupling members 20 and 30 are detachably attached on the inner side and the outer side, respectively. The coupling members 20 and 30 are integrally fastened against by a fastening means 29. A cylindrical body 2 is integrally provided at a rotary plate 10 coupled to another part by means of a hinge.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connecting device for removably connecting components.

[0002]

2. Description of the Related Art As shown in FIG. 6, for example, a conventional connecting device 91 is provided with connecting members 92, 92 of the same shape on both sides, and parts 93, 95 are connected to the connecting members 92, 92. , Parts 93 and 95 are connected.

[0003]

The above conventional connecting device 9
1 is a component 9 to be connected because the connecting members 92, 92 are fixedly provided and the connecting members 92, 92 are always the same.
There was a problem that the connecting members 92, 92 could not be replaced in accordance with 3,95.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has as its object to provide a connecting device having a novel structure which can replace a connecting member according to a connected component. And

[0005]

According to a first aspect of the present invention, there is provided a connecting device having the following means. (B) having a cylindrical main body; (B) The tubular body has a first connecting member detachably provided inside and a second connecting member detachably provided outside.

In the connecting device according to a second aspect, the first connecting member and the second connecting member are integrally fastened by fastening means. In the connecting device according to a third aspect, the first connecting member is a locking member, and the second connecting member is a polygonal shaft member. According to a fourth aspect of the present invention, in the connecting device, the tubular main body is integrally provided on a rotary plate hinged to another component.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an exploded perspective view of the connecting device according to the present invention. FIG. 2 is a perspective view in which the connecting device is attached to a component. FIG. 3 is a sectional view of a main part of FIG. 4 and 5 are perspective views illustrating the use state of FIG.

[0008] The connecting device 1 has a cylindrical main body 2 integrally formed of a synthetic resin. The cylindrical main body 2 includes a large diameter portion 3 and a small diameter portion 5. A plurality of locking recesses 9 are formed on the periphery of the distal end 5a of the small diameter portion 5. A rectangular hole 6 is formed in the large diameter portion 3, and a circular hole 7 is formed in the small diameter portion 5. The tubular main body 2 is provided integrally with the rotating plate 10 hinged to another component 51.

The rotating plate 10 is provided with a bearing boss 11 having an insertion hole 12 for inserting a connecting shaft 55 to be described later on one side edge, and the cylindrical body 2 is integrally formed on the other surface 16. Have been. A large-diameter hole 13 larger than the rectangular hole 6 is formed on the rotating plate 10 on the same axis as the rectangular hole 6.
At the tip of the other side back surface 17 of the rotating plate 10, substantially L-shaped engaging projections 15, 15 are provided to protrude.

The cylindrical body 2 has a first connecting member 20 inside.
Are detachably provided, and a second connecting member 30 is detachably provided on the outside. The first connecting member 20 is a locking member, and the shaft portion 2 fitted into the circular hole 7 of the cylindrical main body 2.
1 and a rectangular plate 2 also fitted in a rectangular hole 6 of the cylindrical main body 2
2 and a locking projection 23 protruding from the surface of the rectangular plate 22. A bulging portion 25 is formed at the tip of the locking projection 23. A female thread 26 is formed at the rear end of the shaft 21.

The second connecting member 30 is a polygonal shaft member, and includes a polygonal shaft portion 31 and a small diameter shaft portion 32. The second connecting member 30 is provided at the tip of the polygonal shaft portion 31 on the side of the cylindrical body 2.
A fitting hole 33 for fitting the small diameter portion 5 is formed. In the fitting hole 33, a locking projection 35 locked in the locking recess 9 of the small diameter portion 5 is formed. Second connecting member 30
The screw hole 36 is formed at the rear end of the small-diameter shaft portion 32 side. An opening 39 through which the screw shaft 28 passes is formed in a partition wall 37 between the screw hole 36 and the fitting hole 33.

First connecting member 20 and second connecting member 30
Are integrally fastened by fastening means 29. The fastening means 29 is a screw in the present embodiment, and is provided in a screw hole 36 of the second connecting member 30, and the screw shaft 28 is inserted into the opening 39 of the partition wall 37, and the first connecting member The first connection member 20 and the second connection member 30 are integrally fastened by being screwed into the female screw portion 26 of the first connection member 20.

Reference numeral 40 denotes a first connecting member which can be replaced with the first connecting member 20. The first connecting member 40 includes a shaft portion 41 that fits in the circular hole 7 of the cylindrical main body 2, a rectangular plate 42 that also fits in the rectangular hole 6 of the cylindrical main body 2, and a rectangular plate 42.
And a pair of locking claws 43, 45 protruding from the surface of the head. The locking claws 43, 45 are formed such that tips 47, 49 are curved inward. At the rear end of the shaft 41, a female screw 4
6 are formed.

The connecting device 1 has the above-described structure, and the first connecting member 20 or 40 is detachably attached to the inside of the tubular body 2, and the second connecting member 30 is attached to the outside of the tubular body 2. Removably attached. When the first connecting member 20 is inserted from the distal end side of the cylindrical main body 2, the shaft 21
The rectangular plate 22 fits into the rectangular hole 6 of the tubular main body 2, and the first connecting member 20 is fitted inside the cylindrical main body 2.
Is provided. Since the rectangular plate 22 fits into the rectangular hole 6,
The first connecting member 20 is attached so as not to rotate. When the direction of the rectangular plate 22 is changed and fitted into the rectangular hole 6, the direction of the locking projection 23 can be changed.

Similarly, when the first connecting member 40 is inserted from the distal end side of the cylindrical main body 2, the shaft portion 41 is fitted into the circular hole 7 of the cylindrical main body 2, and the rectangular plate 42 is A first connection member 40 is provided inside the tubular main body 2 so as to fit into the rectangular hole 6. Since the rectangular plate 42 fits into the rectangular hole 6, the first connecting member 40 is non-rotatably mounted. Rectangular plate 4
When the direction of 2 is changed and fitted into the rectangular hole 6, the locking claw 4
The direction of 3,45 can be changed. As described above, the connection device 1 can exchange the first connection member 20.

From the rear end side of the cylindrical main body 2, the second connecting member 3
0, the fitting hole 33 is formed in the small diameter portion 5 of the cylindrical main body 2.
Are fitted, and the locking projections 35 of the fitting holes 33 are locked in the locking recesses 9 of the small diameter portion 5 so that the second connecting member 30 cannot rotate with respect to the cylindrical main body 2. It is attached. In the present embodiment, the second connecting member 30 is an octagonal shaft member. However, the present invention is not limited to this, and another polygonal shaft member can be replaced and attached to the tubular main body 2.

A fastening means 29 is provided in a screw hole 36 formed at the rear end of the second connecting member 30, and the screw shaft 28 is connected to the partition wall 3.
7, the first connecting member 20 or 40
The first connection member 20 or 40 and the second connection member 30 can be integrally fastened to the tubular main body 2 by screwing into the female screw portions 26 or 46 of the cylindrical body 2.

The connecting device 1 is attached to another part, for example, the arm 51 of the robot toy 50. In the connection device 1, the first connection member 20 or 40 is detachably attached to the front end, and the second connection member 30 is detachably attached to the rear end, so that either one can be used. Therefore, a pair of bearings 52, 52 formed on the arm 51
The bearing boss 11 of the rotating plate 10 is inserted therebetween, and the connecting shaft 55 is inserted into the insertion hole 53 of the bearing part 52, the insertion hole 12 of the bearing boss 11, and the insertion hole 53 of the bearing part 52, and the arm 5
It is rotatably attached to one corner 56.

The arm 51 has a first storage recess 62 and a second storage recess 63 formed on one surface 60 and the other surface 61 across the corner 56. In the first storage section 62,
As shown in FIG. 2A, a pair of locking claws 64 and 65 are provided to protrude and lock the locking projection 23 of the first connecting member 20. The locking claws 64 and 65 are formed such that tips 67 and 69 are curved inward.

Also, A pair of locking claws 4 of the first connecting member 40 are provided in the first storage portion 62 of the arm portion 51 shown in FIG.
A locking projection 70 which is sandwiched and locked by the members 3 and 45 is provided in a protruding manner. A bulging portion 71 is formed at the tip of the locking projection 70.

The connecting device 1 shown in FIG.
5, the engagement protrusions 15, 15 abut against the inner wall 66, and the engagement protrusions 23 of the first connecting member 20 are engaged with the pair of engagement claws. 64,65
And is fixed to the arm 51, as shown in FIG.
The surface 16 of the rotating plate 10 is at the same position as the surface of the one surface 60, and the tubular main body 2 projects from the arm 51.

The connecting device 1 shown in FIG.
When rotated around the connecting shaft 55 and housed in the first housing recess 62, the pair of locking claws 4 of the first connecting member 40
3 and 45 are fixed to the arm portion 51 while holding the locking projection 70. As shown in FIG. 4, the surface 16 of the rotating plate 10 is at the same position as the surface of the one surface 60, and the cylindrical main body 2 is Part 51
Protruding from.

The connecting device 1 is configured such that the cylindrical main body 2 is a substantially rectangular frame comprising a pair of opposed long plates 76 and 77 and a pair of opposed short plates 78 and 79 incorporated in a shoulder 75 of the robot toy 50. When pushed into the connection frame 80, the tip of the small-diameter shaft portion 32 comes into contact with the back wall 74 of the shoulder portion 75, and the polygonal shaft portion 31 engages with the engaging portions 81 and 82 of the long plates 76 and 77 and comes off. And the opposite sides 34, 34 of the polygonal shaft 31 are elongated plates 76,
The arm 51 is crimped and clamped and positioned, and the arm 51 can be fixed at a desired inclination angle.

As shown in FIGS. 2 and 3, the connecting device 1 can be turned around the connecting shaft 55 and housed in the second housing recess 63. A fitting hole 84 and locking claws 86, 86 are formed on one surface 60 of the arm portion 51 in FIG.
A fitting projection 83 and a locking projection 85 are formed on one surface 60 of the arm 51 shown in FIG. With the coupling device 1 housed in the second housing recess 63, the locking projection 71 is sandwiched between the pair of locking claws 64 and 65, and the fitting projection 83 is fitted into the fitting hole 84, and locked. When the projections 85 are held between the locking claws 86, 86 and the one surfaces 60 are joined to each other, they can be united as shown in FIG. 5 and can be transformed into a traveling toy.

[0025]

As described above, in the connecting device according to the present invention, the first connecting member is detachably provided inside the tubular main body, and the second connecting member is detachably provided outside. Therefore, there is an effect that the connecting member can be exchanged according to the component to be connected.

In the connecting device according to the second aspect, since the first connecting member and the second connecting member are integrally fastened by the fastening means, the first fastening member is released only by releasing the fastening of the fastening means. There is an effect that the connecting member and the second connecting member can be easily attached and detached.

According to the third aspect of the present invention, since the first connecting member is a locking member and the second connecting member is a polygonal shaft member, it can be connected to two connecting portions having different forms. There is.

According to a fourth aspect of the present invention, in the connecting device, the tubular main body comprises:
Since it is provided integrally with the rotating plate hinged to another part, it is possible to select either the first connecting member or the second connecting member simply by rotating the rotating plate. This has the effect.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a connecting device according to the present invention.

FIG. 2 is a perspective view in which a connecting device is attached to a component.

FIG. 3 is a sectional view of a main part of FIG. 2;

FIG. 4 is a perspective view illustrating a use state of FIG. 2;

FIG. 5 is a perspective view illustrating a use state of FIG. 2;

FIG. 6 is an explanatory diagram showing a conventional technique.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Connecting device 2 Cylindrical main body 3 Large diameter part 5 Small diameter part 5a Tip 6 Rectangular hole 7 Circular hole 9 Locking concave part 10 Rotating plate 11 Bearing boss 12 Insertion hole 13 Large diameter hole 15 Engagement projection 16 Front surface 17 Back surface 20th 1 connecting member 21 shaft portion 22 rectangular plate 23 locking projection 25 bulging portion 26 female screw portion 28 screw shaft 29 fastening means 30 second connecting member 31 polygonal shaft portion 32 small diameter shaft portion 33 fitting hole 34 side 35 locking Convex part 36 Screw hole 37 Partition wall 39 Opening 40 First connecting member 41 Shaft part 42 Rectangular plate 43 Locking claw 45 Locking claw 46 Female screw part 47 Tip 49 Tip 50 Robot toy 51 Arm part (separate part) 52 Bearing part 53 insertion hole 55 connecting shaft 56 corner 60 one surface 61 the other surface 62 first storage recess 63 second storage recess 64 locking claw 65 locking claw 66 back wall 67 tip 69 tip REFERENCE SIGNS LIST 70 locking projection 71 bulging portion 74 back wall 75 shoulder portion 76 long plate 77 long plate 78 short plate 79 short plate 80 connecting frame 81 engaging portion 82 engaging portion 83 fitting protrusion 84 fitting hole 85 locking protrusion 86 Locking claw 91 Connecting device 92 Connecting member 93 Part 94 Part

Claims (4)

[Claims] 1. A connecting device having the following requirements. (B) having a cylindrical main body; (B) The tubular body has a first connecting member detachably provided inside and a second connecting member detachably provided outside. 2. The connecting device according to claim 1, wherein the first connecting member and the second connecting member are integrally fastened by fastening means. 3. The connecting device according to claim 1, wherein the first connecting member is a locking member, and the second connecting member is a polygonal shaft member. 4. The connecting device according to claim 1, wherein the cylindrical main body is integrally provided on a rotating plate hinged to another component.