JPH0640309Y2 - Hinge tool - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION "Industrial field of application" The present invention relates to an improvement of a hinge tool used for rotatably connecting various members such as a main body and a lid pair.

"Prior Art" Although this kind of conventional hinge tool is not specifically shown, it is usually formed by a metal material, and a pair of mounting members each having a plurality of cylindrical portions formed in a staggered state at one side edge of each mounting member. And a shaft pin that is inserted into each of the tubular portions and rotatably joins the pair of attachment pieces, and the attachment target members are connected to each other by screwing the attachment pieces to the ends of the attachment target members. Is configured to be rotatably connected.

"Problems to be solved by the invention" However, in the conventional hinge tool, since the tubular portion formed on one side edge of each mounting piece is formed so as to be offset from each other, Since it is impossible to share the same mounting piece, not only the left and right mounting pieces must be manufactured separately, but also a plurality of cylinders must be formed in different steps with high precision in each mounting piece. So
There was a problem that the manufacturing process of the mounting piece would be troublesome.

Moreover, when assembling the hinge tool, it is necessary to obtain a state in which a plurality of stepped cylindrical portions are alternately aligned with one side edge of each attachment piece and insert the shaft pin into each cylindrical portion. Since it must be done, there was a dislike that it would be difficult not only in terms of manufacturing and processing but also in terms of assembly work.

In addition, since each mounting piece is fixed to the member to be connected by a plurality of screws, it cannot be denied that the work of fixing the screws is very difficult.

Therefore, a hinge tool shown in Japanese Utility Model Laid-Open No. 62-56670 has also been proposed.

This hinge tool consists of a pair of mounting pieces molded separately from synthetic resin.A pair of holding portions are formed on both sides of one side edge of one of the mounting pieces at regular intervals. By forming an arm plate at the center of one side edge and locking both end portions of the arm plate between the pair of holding portions, a pair of mounting pieces can be rotatably joined at one opposing side edge. It is composed.

Therefore, under such a hinge tool, the manufacturing process is easier and the assembling work of the pair of mounting pieces is simpler than the conventional metal hinge tool that requires the shaft pin described above. Therefore, on both sides, considerable improvement can be expected, but on the other hand, with respect to the pair of mounting pieces, since the left and right sides have separate structures,
There is a big problem that the same standard can not be shared on the left and right, and when fixing a pair of mounting pieces to the connecting target side, screw fixing must be used, so the fixed work surface I couldn't expect any improvement.

For this reason, for example, Japanese Utility Model Publication No. 54-91566 and Japanese Utility Model Publication No. 62-144.
By using the fixing means disclosed in Japanese Patent No. 376, it is also possible to configure each attachment piece of the above-mentioned hinge tool to be fixed to the connection target member side with one touch, but in this case, surely, Since there is no need to use screws, at least the problems in terms of fixing work to the members to be connected can be solved, but other problems related to sharing and assembly will still be passed on without being resolved. Therefore, this alone cannot be a sufficient improvement measure.

"Means for Solving the Problem" The present invention has been developed to effectively solve various problems of the conventional hinge tool, and is arranged on one surface side of the members to be connected. It is composed of a pair of attachment pieces and a pair of fixing pieces arranged on the other surface side of the connection target member, and the pair of attachment pieces are rotatably joined at their opposite one side edges and are connected to each other. On the contact surface with the member, a locking cylinder portion that is inserted into the through hole of the member is formed, while on the other hand, the pair of fixing pieces forms the lock leg portion on the contact surface with the connection target member,
On the premise of a hinge tool configured to lock the lock leg portion of the fixing piece in the locking cylinder portion of each of the mounting pieces, one side edge of each of the pair of mounting pieces has a tapered enlarged portion. An arm-shaped engaging part extending parallel to the side edge and a ring-shaped engaging part are integrally formed in a paired relationship, and the engaging part of one mounting piece engages with the other mounting piece. A structure is adopted in which the engaging portion of one mounting piece is engaged with the engaging portion of the other mounting piece.

According to the "action", according to the present invention, the engagement states of the engagement portion and the engagement portion are obtained, and the one side edges of the pair of attachment pieces are rotatably joined to each other. After inserting the locking tube portion of the mounting piece into the through hole of the connection target member from one surface side of the member, and inserting the lock leg portion of the fixing piece into each locking tube portion from the other surface side of the member, the fixing piece Since the lock leg portion is locked in the locking cylinder portion and each mounting piece is easily fixed to the connection target member, the connection target members are rotatably connected to each other. .

Therefore, unlike the prior art, there is no need to use screws that require complicated work for fixing the attachment piece to the connection target member.

[Example] Hereinafter, the present invention will be described in detail with reference to an illustrated example. The hinge tool according to the example is arranged on one surface side of the connection target members A1 and A2 as shown in FIG. A pair of mounting pieces 1
1 and a pair of fixing pieces 2 and 2 arranged from the other surface side of the connection target members A1 and A2, and the mounting piece 1 and the fixing piece 2 are also used as a left and right structure, both of which are made of synthetic resin. It is characterized by being integrally molded with.

And the former mounting piece 1 shall form the engaging arm part 3 and the engaging ring part 4 in a paired relationship at one side edge,
In particular, as shown in the drawing, the engaging arm portion 3 is provided in a state parallel to one side edge of the mounting piece 1 and has a tapered enlarged portion 3a formed at the tip thereof and allows the enlarged portion 3a to flex. The slit 3b is formed in the longitudinal direction. Further, on the contact surface with the connection target members A1 and A2, it is inserted into the through hole H formed in the connection target members A1 and A2.
The individual locking cylinders 5 are integrally formed, and a step portion 5a for locking a lock leg described later is formed on the inner wall surface of each locking cylinder 5.

Therefore, the mounting pieces 1 and 1 having the same structure are set in opposite directions, and the engaging arm portion 3 of one mounting piece 1 is made to face the other mounting piece 1.
2 and the engaging arm portion 3 of the other mounting piece 1 is engaged with the engaging ring portion 4 of the one mounting piece 1 as shown in FIG. Enlarged part of the engaging arm part 3
3a is locked to the edge of the corresponding locking ring portion 4, and the pair of mounting pieces 1.1 are rotatably joined.

Further, the latter fixing piece 2 has two lock leg portions 6 that are engaged in the locking cylinder portion 5 on the contact surface with the connection target members A1 and A2.
Is integrally formed, and the tapered enlarged portion of each lock leg portion 6 is formed.
6a can be forcibly locked to the stepped portion 5a of the locking cylinder 5.

Therefore, when the connection target members A1 and A2 are rotatably connected using the pair of mounting pieces 1.1 and the fixing pieces 2.2, the engaging arms 3 and the engaging arms 3 described above are engaged. The pair of mounting pieces 1.1 are rotatably joined via the stop ring portion 4, and the two locking cylinders 5 of the mounting pieces 1.1 are connected to the corresponding connection target members A1 and A2. After being inserted into the through hole H from one surface side of the member, the lock leg portions 6 of the fixing pieces 2 are respectively inserted into the respective locking cylinder portions 5 from the other surface side of the member, as shown in FIG. The enlarged portion 6a of the lock leg portion 6 of each fixed piece 2 is automatically locked to the step portion 5a of the locking cylinder portion 5, and each mounting piece 1 corresponds to the corresponding member A1.
・ Because it is firmly fixed to A2,
A1 and A2 will be rotatably connected to each other.

When fixing the mounting piece 1, contrary to the above, the fixing piece 2
The locking leg portion 6 of the above is exposed in advance in the through hole H of the members A1 and A2, and thereafter, the attachment piece 1.1 that is joined via the engagement arm portion 3 and the engagement ring portion 4 is locked. It goes without saying that even if the tubular portion 5 is inserted into the through hole H, the same fixed state of the mounting piece 1 can be obtained.

[Advantage of Invention] As described above, according to the present invention, by adopting the above-mentioned configuration, it is possible to use not only the pair of fixing pieces but also the pair of mounting pieces of the same standard on the left and right sides. Compared with the conventional one, which cannot be shared right and left, it is the first time to offer an extremely reasonable and inexpensive hinge tool.

In addition, when rotatably joining the mounting pieces that can be used for both left and right, the pair of mounting pieces are set in opposite directions, and the arm-shaped engaging portions of one mounting piece are connected to the other side only from one direction. Compared with the conventional one, it is only necessary to lock the ring-shaped locking part of the mounting piece and lock the ring-shaped locking part of one mounting piece with the arm-shaped engaging part of the other mounting piece. As a result, the work of assembling the attachment pieces becomes very simple, and since there is no need to use screws to fix the members to be connected, the work of fixing is also very easy.

Moreover, since the engagement between the arm-shaped engaging portion and the ring-shaped engaging portion is performed via the tapered enlarged portion of the arm-shaped engaging portion,
Needless to say, this also ensures the convenience and speed of the assembling work, but there is no concern that the pair of mounting pieces will be inadvertently separated due to the presence of the tapered and enlarged portion.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a relationship between a hinge tool and a connection target member according to an embodiment of the present invention, FIG. 2 is a perspective view showing a state where a pair of mounting pieces are joined, and FIG. FIG. 3 is a cross-sectional view of a main part showing a connected state of FIG. 1 ... Mounting piece, 2 ... Fixed piece, 3 ... Engaging arm section (engaging section), 4 ... Engaging ring section (engaging section), 5 ... Engaging cylinder section, 5a ... Step Part, 6 ... Lock leg part, 6a ... Enlarged part, A1
・ A2 …… Parts to be connected, H …… Through hole.

Continued Front Page (56) References Open 62-56670 (JP, U) Open 62-144376 (JP, U) Open 54-91566 (JP, U)

Claims (1)

[Scope of utility model registration request] 1. A pair of mounting pieces arranged on one surface side of a connection target member and a pair of fixing pieces arranged on the other surface side of the connection target member, wherein the pair of mounting pieces face each other. The one side edge is rotatably joined, and the engaging cylinder part to be inserted into the through hole of the member is formed on the contact surface with the member to be connected, while the pair of fixing pieces are A hinge tool having a structure in which a lock leg portion is formed on a contact surface with a member and the lock leg portion of the fixed piece is locked in the locking tubular portion of each of the mounting pieces, wherein one side of the pair of mounting pieces is provided. An arm-shaped engaging portion that has a tapered enlarged portion and extends in a state parallel to the one side edge and a ring-shaped locking portion are integrally formed in a pair relationship with each other, and one of them is attached. The engaging part of one piece should be locked to the locking part of the other mounting piece, and the locking part of one mounting piece should be locked to the engaging part of the other mounting piece. A hinge tool characterized by being configured as follows.