JPH109232A - Plate assembled structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a plate assembled structure which is improved in workability in assembling frames and plate members, easy to assemble, and sufficiently strong, and provide a plate assembled structure with a beauty appearance. SOLUTION: A male member 30 contains a rod body 32, a cam contact part 34 on one end, and a mounting part 31 on the other end. A female member 40 has a cam part inside. The mounting part 31 of the male member 30 is mounted to a joint surface 10a of the first plate member 10, and the rod body 32 and the cam contact part 34 of the male member 30 are inserted into an insertion hole 21 from the opening provided on a joint surface 20a of the second plate member 20. The female member 40 accommodated in an accommodation hole 22 is rotated by a specified angle not exceeding 360 degrees while allowing the cam contact part 34 of the male member 30 to correspond to the cam part of the female member 40, and held in the accommodation hole 22 in this state to give an axial tensile force to the male member 30.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technology for assembling frames and plate members, including plate members such as window frames and door frames for houses, cabinets for televisions and game machines, and the like. The present invention relates to a technology that enables assembling.

[0002]

BACKGROUND OF THE INVENTION Conventionally, wood screws have been widely used for assembling or tightening this type of plate material. However, sufficient tightening was difficult because the object to be tightened was wood. Further, there has been a problem that the wood fiber is deteriorated with time, the tightened screw is loosened, and furthermore, the screw is in a so-called screw state and the screw cannot be tightened. Of course, it is also conceivable to use a dowel in order to reinforce the fixing by the screw. However, this technology is used to manufacture dowels and dowel holes.
Since processing is required to be performed extremely accurately, experience and skill are required, and there is a drawback in terms of assembly work efficiency.

[0003] There is also a technique described in Japanese Utility Model Registration No. 3024543 in which plate members are fastened to each other by using screws and tee nuts. Although this technique is considerably improved in strength compared to the case of using wood screws,
There is room for improvement in terms of workability, such as laborious screw tightening of screws. In addition, since the head of the long screw is exposed on the finished surface, there is a problem that the appearance of the assembled product is affected.

It is a first object of the present invention to further improve workability, to provide a plate assembly structure which is easy to assemble and has sufficient strength. At the same time, a second object is to provide a technique for embedding a metal fitting for assembling a plate in a plate member to enhance the appearance.

[0005]

The invention which achieves the above object is, like a wood screw or a screw, fastened and fixed with one touch without rotating many times, exceeding one rotation. I paid attention. In that regard, it has been found that, in order to reduce the time and effort of screw tightening, it is preferable to obtain a tightening force by a cam action by rotating not a long-axis male member but a female member for receiving the male member. According to the cam action, a tensile force in the axial direction is obtained, for example, by a movement of about half a rotation, and the first and second plate members can be fastened to each other with sufficient strength.

The present invention based on such an idea corresponds to a male member including a rod main body, a cam contact portion located at one end thereof, and a mounting portion located at the other end side, and internally corresponds to the cam contact portion. A first plate member and a second plate member having a cam portion and using a female member which applies an axial pulling force to the male member during rotation by a cam action of a cam portion and a cam contact portion; A plate assembly structure that is joined and connected to each other at a certain angle, wherein the second plate member has an insertion hole that is open at the joint surface and receives the rod body of the male member therein; A receiving hole for receiving a female member which is orthogonal to the side surface thereof and is open to the insertion hole, and a mounting portion of the male member is mounted on a joint surface of the first plate member; Rod body and And the female contact portion is inserted from the joint surface of the second plate member into the insertion hole opened to the joint surface, and the cam contact portion of the male member corresponds to the cam portion of the female member accommodated in the accommodation hole. The female member is rotated by a predetermined angle not exceeding 360 degrees while holding the female member in the accommodation hole in the rotated state to apply a tensile force in the axial direction to the male member. It relates to a braided structure.

In the present invention, since the female member side provided with the cam portion is rotated, the rotation of the female member side may be less than one rotation, that is, a small amount of rotation not exceeding 360 degrees. It may be rotated about degrees. In other words,
This is a one-touch rotation, and the assembling work is extremely simple and easy. Moreover, the female member functions as a cam, so that a pulling force can be applied to the male member. The pulling force on this male member is
The power is transmitted from the side of the second plate member holding the female member to the first plate member via the male member. As a result, the first plate member-
The space between the second plate member and the second plate member is firmly fixed by the action / reaction force caused by the pulling force. From the viewpoint of obtaining a larger tensile force, it is preferable that the cam portion of the female member be an eccentric cam.

In order to firmly connect the first and second plate members, it is first important to firmly hold the female member serving as a cam with respect to the second plate member. For this purpose, it is preferable that the female member is supported on the second plate member by a stopper such as a pin. Means for providing a specific claw member on the outer peripheral surface of the female member or the like is also effective. The claw member does not hinder normal rotation for tightening, but hinders rotation in the opposite direction by rotating the claw into the inner wall of the receiving hole.

In order to firmly connect the first and second plate members, it is preferable that the female member and the male member surely hold the state in a state of being tightened or connected. For this purpose, the cam is preferably at least partially in the form of a positive cam. For example, at least the end of the cam portion of the female member is provided with a counterbore that fits the cam contact portion on the male member side. it can. As another method, a bendable portion may be formed on the upper surface of the female member, and the female member in the tightened state may be held by the male member using the bent portion.

Further, in order to firmly connect the first and second plate members, the mounting portion of the male member is surely supported by the first plate member, and of course, the rod of the male member is Preferably, the main body is tightly supported in the insertion hole of the second plate member. For the support, it is preferable to provide a resin layer between the outer peripheral surface of the rod body and the corresponding inner wall surface of the insertion hole of the second plate member. This is because, by making the gap between the rod body of the male member and the insertion hole tight, this portion is also gripped. It is preferable to select a resin layer having a high adhesiveness or a resin layer having a large coefficient of friction with respect to a male member and a plate material. The resin layer provided in this way also has a function of buffering an external force applied thereto.

Further, since the long-axis male member is completely embedded in the first plate member and the second plate member, only a part of the female member is exposed on the outer surface of the manufactured plate. Only, a beautiful appearance can be obtained.

[0012]

【Example】

<Embodiment 1> FIG. 1 is an exploded perspective view for explaining an embodiment of the plate assembly structure of the present invention, and FIG. 2 is a sectional view showing an assembled state thereof. FIG. 3 is an enlarged perspective view of only the female member used in this embodiment. In this embodiment, as shown in FIG. 1, a first plate member 1 serving as a side plate is provided.
The second plate member 2 serving as a bottom plate
The right side 20a is joined at a right angle and connected. In order to secure the strength of the portion to be joined, a shallow groove 14 is preferably provided on the joining surface 10a of the first plate member 10.

The male member 30 used in the plate assembly structure
As shown in FIG. 1, the rod body 32 has a cam contact portion 34 at one end and a threaded attachment portion 31 at the other end. In order to guide the rotation of the female member 40, between the rod body 32 and the cam contact portion 34, a cam contact portion 3 is provided.
There is a neck 33 smaller than four. The portion of the rod body 32 has the same diameter from the end face 32a on the attachment part 31 side to the end face 32b on the cam contact part 34 side. Its outer diameter is approximately adapted to the insertion hole 21 of the second plate member 20 described later.

The male member 30 cooperates with the female member 40 to form a plate set. The female member 40 is a cylindrical member as shown in FIG.
And an eccentric cam portion 44 is formed inside. The cam portion 44 has two sides 44a, 4a, 4
4b. At the end of the cam portion 44, a counterbore 44c for accommodating the cam contact portion 34 of the male member 30 is provided. Here, the counterbore 44c is disposed substantially on the opposite side of the opening 41 so as to hold the male member 30 when the female member 40 rotates about 180 degrees. Therefore, the female member 40 is placed around the center axis Y at an angle θ (about 18 in this case).
When rotated by 0 degrees), a tensile force corresponding to the arrow f is generated in the axial direction X of the male member 30. this is,
This is because the cam portion 44 forms an eccentric cam with respect to the center axis of the female member 40. Further, the female member 40 includes
A pin hole 43 for a spring pin for fixing itself to the second plate member 20 is provided so as to penetrate vertically. Furthermore, on the upper surface of the female member 40, in addition to a plus-shaped screw hole 45 for rotating the female member 40, a center indicator 46 is provided as a guide in the direction in which the female member 40 is stored in the storage hole 22. Have been. In addition, the notch 47 on the bottom surface is
This is an escape for fitting the female member 40 to the cam portion 34 from above while being inserted into the plate member 20 of FIG. Further, in order to more securely fix the female member 40 to the second plate member 20, a plurality of reverse rotation preventing claws 48 may be provided on the outer peripheral surface thereof. This reverse rotation preventing claw is, for example, on its side surface, so that its diameter increases in the direction of rotation.
In other words, it is formed so as to move away from the side as it goes in the rotation direction.

When the first and second plate members 10 and 20 to be connected to each other are viewed, as shown in FIG. 1, a male member 30 is inserted into the joint surface 20a of the second plate member 20. The insertion hole 21 is open. The insertion hole 21 extends from the joint surface 20a to the inside of the accommodation hole 22, as is apparent from FIG. The accommodation hole 22 is a hole for accommodating the female member 40 and is a blind hole orthogonal to the insertion hole 21, and only the upper side is opened on the upper surface of the second plate member 20. The accommodation hole 22 is provided so as to correspond to the position of the cam contact portion 34 when the male member 30 is inserted into the insertion hole 21. On the other hand, the first plate member 10 is provided with a pilot hole 13 for screwing the mounting portion 31 of the male member 30 as necessary. The prepared hole 13 should not reach the outer surface of the first plate member 10 so as not to impair the appearance.

In order to actually assemble the first plate member 10 and the second plate member 20, first, the male member 30 is attached to the first plate member 10. As shown in FIG. 2, the mounting surface 31 of the male member 30 is screwed into the prepared hole 13 of the first plate member 10 so that the end face 32 a is brought into contact with the bottom of the groove 14. The mounting portion 31 of the male member 30 has a large screw thread so that the screw thread bites into the first plate member 10 and is firmly fixed. In addition, a flange is provided at the boundary between the rod body 32 and the mounting portion 31 of the male member 30 so as to expand radially outward,
The screwing amount, or conversely, the portion held by the second plate member 20 may be more reliably defined. Such a flange would also serve to prevent the male member 30 from rattling against external forces. Next, the other parts of the male member 30, namely, the rod body 32 and the neck 3
3. The cam contact portion 34 is inserted into the insertion hole 21 of the second plate member 20 from an opening formed in the joint surface 20a. At this time, the cam contact portion 34 of the male member 30 penetrates the insertion hole 21 and is in the accommodation hole 22. Then, as shown in FIG. 1, the female member 40 is inserted from above the accommodation hole 22. At this time, the cam contact portion 34 of the male member 30
The opening 41 on the side surface of the female member 40 is inserted toward the male member 30 so that can correspond to the cam portion 44. Here, the center display 46 formed on the upper surface is displayed on the male member 30.
The cam can be smoothly inserted by adjusting to the cam contact portion. Then, the female member 4 is pulled in the direction in which the male member 30 is pulled.
Rotate 0. Then, by driving the spring pin 50 from the pin hole 43 into the second plate member 20 immediately below the second plate member 20, the second rotation is maintained while maintaining the rotated state.
Is fixed to the plate member 20. Here, the driven spring pin 50 comes into contact with the neck 33 of the male member 30 and also holds the male member 30 at the same time.

Further, by providing a resin layer 60 between the rod main body 32 of the male member 30 and the insertion hole 21 of the second plate member 20, the second main body is also tightly connected to the rod main body 32.
Can be supported with respect to the plate member 20. Resin layer 6
For example, it is easy to use a resin liquid, and the second liquid is applied to the surface of the rod body 32 of the male member 30 in advance, and
After inserting the rod body 32 into the insertion hole 21 of the plate member 20, or by inserting the rod body 32 into the insertion hole 21, a resin liquid is injected into the gap, and then dried and cured. In the case of the former method, from the viewpoint of smoothly inserting the rod body 32 into the insertion hole 21, it is preferable that the applied resin liquid is inserted before drying. Further, when a groove or a recess in the radial direction is provided in a part of the rod body 32 of the male member 30, for example, the resin layer is formed so as to bite into the rod body 32, which contributes to preventing the male member 30 from coming off. On the other hand, in the case of the latter method, axial grooves or spiral grooves may be formed on the surface of the rod body 32 so that the resin liquid uniformly spreads over the entire surface of the rod body 32. Similarly, a resin layer may be provided between the outer peripheral surface of the female member 40 and the inner wall of the accommodation hole 22 of the second plate member 20.

<Embodiment 2> This embodiment represents another embodiment of the present invention, in which a first and a second plate member are joined to each other by joining surfaces cut off at 45 degrees from the outer surface of the plate. And two portions having a portion from the rod body to the cam contact portion, and a male member is formed by hingedly connecting the end portions of the respective rod bodies. FIG. 4 is an exploded perspective view for explaining the plate assembly structure of this embodiment, and FIG. 5 is a perspective view in which a female member used in this embodiment is enlarged and partially cut away.
In addition, reference numerals are represented by reference numerals obtained by adding 200 to those given in the first embodiment, so that correspondence with the first embodiment can be understood.

As shown in FIG. 4, the first plate member 210 and the second plate member 220 are respectively formed on the outer surface 210 of the plate.
bonding surface 2 at an angle of 45 degrees with respect to b and 220b, respectively
10a and 220a are joined and connected to each other. The first
Similarly to the second plate member 220, the insertion hole 21 for inserting the rod body 232 of the male member 230 is formed in the plate member 210 of FIG.
1. An accommodation hole 212 for accommodating the female member 240 is provided.

As shown in FIG. 4, the male member 230 includes a rod main body 232, a small-diameter neck 233, and a cam contact portion 23.
4 as the first male part 235 in the first embodiment.
Is fixed inside the second plate member 220. on the other hand,
On the other end side of the rod body 233 of the first male part 235,
A second male portion 235c having the same structure is hinged by a pin 236 so as to be bent at an angle with respect to the first male portion 235. Accordingly, the second male portion 235c also has a rod body 232c, a neck portion 233c, and a cam contact portion 234c corresponding to the first male portion 235. The second male part 235c becomes the attachment part. Here, the first male portion 235 and the second male portion 235c are configured to be completely symmetric in order to eliminate the directionality of assembling the male member 230.

The first male part 235 and the second male part 235c are bent at 90 degrees by the hinge part, and the second male part (attachment part) 235c is joined to the joint surface 10 of the first plate member 210.
a into the insertion hole 211 which is open at the position a. At this time,
The bent portion functions as a stopper, and defines the insertion condition of the second male portion 235c. Next, the female member 240 is accommodated in the accommodation hole 212 of the first plate member 210,
The second male portion 235c is fitted to the cam contact portion 234c,
Rotate this. As shown in FIG. 5, a foldable portion 248 is provided on the upper surface of the female member 240 used here.
There is a part 24 in a state where the female member 240 is rotated.
8 is bent with a punch 300 or the like, and the cam contact portion 234 of the male member 230 hits there.
The 30 and the female member 240 are pressed against each other and fixed. Further, in order to complete the fixing, a hole 249 is provided in the bendable portion 248 (the hole 249 itself may be provided in advance near the bendable portion 248, or the portion 248 may be cut and raised. , You can also use the hole made by cutting it up.)
May be provided so that the adhesive can be injected therefrom. After the male member 230 and the second male portion 235c are attached to the first plate member 210, the first male portion 235 is attached and fixed to the second plate member 220 in the same procedure. Although not shown, the rod body 23 of the first and second plate members 210 and 220 and the male member 230 is provided.
Needless to say, it is preferable to form a resin layer between 2c and 232.

In this embodiment, no screw connection is used for the plate member.
Particularly suitable for hard and brittle materials such as F material. Further, since the first plate member and the second plate member are mutually pulled, the strength is very excellent. Further, as shown in the figure, if necessary, it can be used in combination with other plate assembling means such as a dowel.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view for explaining a board assembly structure according to a first embodiment, which is one embodiment of the board assembly structure of the present invention.

FIG. 2 is a cross-sectional view illustrating a plate assembly structure according to the first embodiment.

FIG. 3 is an enlarged perspective view of a female member used in the first embodiment.

FIG. 4 is another embodiment of the plate assembly structure of the present invention.
FIG. 9 is an exploded perspective view for explaining a plate assembly structure according to a second embodiment.

FIG. 5 is an enlarged perspective view of a female member used in Example 2 with a part cut away.

[Explanation of symbols]

 10, 210 First plate member 20, 220 Second plate member 21, 211, 221 Insert hole 22, 212, 222 Housing hole 30, 230 Male member 32 232, 232c Rod body 34, 234, 234c Cam contact portion 40 , 240 Female member 44 Cam part 60 Resin layer

Claims (8)

[Claims] A cam member having a rod body, a cam contact portion located at one end thereof, and a mounting portion located at the other end thereof; and a cam portion corresponding to the cam contact portion therein. By the cam action of the part-cam contact part,
A plate assembly structure in which a first plate member and a second plate member are joined and connected to each other at a certain angle using a female member that applies an axial tensile force to the male member during rotation, The second plate member accommodates an insertion hole, one of which is open to the joint surface, for receiving the rod body of the male member therein, and a female member which is orthogonal to the insertion hole and whose side surface is open to the insertion hole. A mounting hole for mounting the male member to the joint surface of the first plate member, and connecting the rod body and the cam contact portion of the male member to the joint surface of the second plate member. Then, the female member is rotated through a predetermined angle not exceeding 360 degrees while being inserted into the insertion hole opened in the joint surface and making the cam contact portion of the male member correspond to the cam portion of the female member accommodated in the accommodation hole. The female member in its rotated state Itakumi structure characterized in that it is held in the housing hole, giving a pulling force in the axial direction relative to the male member. 2. A resin layer is provided between at least the outer peripheral surface of the rod body and the inner wall surface of the corresponding insertion hole of the second plate member, and the male member is held by the second plate member. The plate assembly according to claim 1. 3. At least a part of the outer peripheral surface of the female member does not hinder normal rotation, but prevents reverse rotation of the inner peripheral wall of the receiving hole of the plate member when rotating in the opposite direction. The plate assembly structure according to claim 1, wherein a claw is formed. 4. The female member is held against the second plate member by a stopper when the female member is rotated by a predetermined angle, and the stopper also directly holds the male member. The described plate assembly structure. 5. A bendable portion is formed on an upper surface of the female member, and the bendable portion is formed by bending the female member while rotating the female member by a predetermined angle. The plate assembly according to claim 1, wherein the plate assembly is held by a male member. 6. The plate assembly structure according to claim 1, wherein the attachment portion of the male member has a screw shape, and is attached to a joint surface of the first plate member by screw connection. . 7. A boundary portion between the attaching portion of the male member and the rod body has a flange portion that extends radially outward of the male member, and is used when attaching the male member to the joint surface of the first plate member. The plate assembly according to claim 6, wherein the flange portion functions as a stopper. 8. The male member has a structure in which a second male member having the same structure is hingedly connected to the other end, and the second male member serves as a mounting portion of the male member. 6. The plate assembly according to any one of claims 1 to 5.