JP2023044432A - Joint member, assembly frame, and assembly kit - Google Patents

Abstract

To provide a joint member which can not only fix multiple columnar members but also enables itself to be fixed to a structure etc.SOLUTION: A joint member is used so that a tip of a columnar member, in which a male screw is formed on at least one end, is inserted into the joint member to be fixed. The joint member has: a base 100 which is a substantially parallel polyhedron; and a flange 13 disposed on at least one surface of the base. Female screw holes 16a to 16e, each of which may threadedly engage with the male screw, are formed at substantially the center of each surface, which is other than the surface on which the flange 13 is disposed, of the surfaces of the parallel polyhedron. A machine screw insertion hole 15 having a diameter smaller than a nominal diameter of the female screw hole formed on an opposing surface is formed at the flange substantially coaxially with the female screw hole.SELECTED DRAWING: Figure 1

Description

The present invention relates to joint members, assembly frames, and assembly kits.

A connection member (joint member) is known for connecting a plurality of cylindrical members to each other by butting the ends of the cylindrical members to assemble furniture, a product display shelf, or the like.

As such a joint member, for example, Japanese Unexamined Patent Application Publication No. 2002-100000 describes a square substrate having a square recessed stepped portion on each surface, a screw hole provided at the center of the recessed stepped portion, and a screw hole aligned with the center. A connecting fitting for a pipe consisting of a through-hole for inserting a screw, and a base plate screwed into the recessed step portion provided with a projecting body fitted into the pipe side at a required position on the peripheral edge.

Further, Patent Document 2 describes, "In a connector for connecting the ends of a plurality of cylindrical columns to each other, recesses are provided in a plurality of predetermined portions of the surface of the block body, and the A metal block having a female screw hole drilled approximately in the center of the recess, and the base of the cylindrical sleeve is fitted into the recess of the block, while the remaining part is inserted into the tip opening of the cylindrical column. A cylindrical sleeve made of synthetic resin having a through hole, which is press-fitted, and a holding bolt is inserted from the tip of the through hole of the cylindrical sleeve, the base of which is fitted into the recess of the block body, and the tip of the bolt. is screwed into the female threaded hole in the recess and tightened, and the bolt head presses the cylindrical sleeve to fix it to the block body. connector." is described.

In addition, in Patent Document 3, "a square concave portion is formed on each surface of a hexahedron, and a female screw hole directed to the inside of the hexahedron is formed in each concave portion to form a main body block, and the above 4 A rectangular convex portion that fits into the rectangular concave portion is formed on the outer surface of one end of the hollow arm block, a through hole corresponding to the screw hole is bored in the one end, and a bolt head is rotatable on the inner surface of the one end. It is composed of a bolt that is engaged and screwed into the screw hole through a through hole, and the 4 sides of the outer periphery of each surface of the hexahedron and the 4 sides of the outer periphery of one end of the arm block form the recess and the protrusion. are parallel to each other in the fitting state, and the four outer peripheral sides of the one end portion are arranged inside the four outer peripheral sides of the respective surfaces with a space therebetween, and the main body block, the hollow arm block and the bolt are formed so that they can be disassembled and assembled. A square pipe joint part that consists of.” is described.

Microfilm of Japanese Utility Model Application No. 49-060505 Microfilm of Japanese Utility Model Application No. 51-057153 Japanese Patent Application Laid-Open No. 2001-200621

Although each of Patent Documents 1 to 3 describes furniture made by combining a plurality of columnar members, and joint members used for product display shelves, etc., all of them are made by combining cylindrical members. However, it is not intended to fix the furniture itself, the product display shelf, etc., which are formed by combining them. In other words, it is necessary to separately fix the finished furniture or the like by arranging it on the floor.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a joint member that not only fixes a plurality of columnar members but also can fix itself to a structure or the like. Another object of the present invention is to provide a shelf and an assembly kit.

As a result of intensive studies aimed at achieving the above object, the inventors of the present invention have found that the above object can be achieved with the following configuration.

[1] A joint member for inserting and fixing a tip of a columnar member having a male screw formed on at least one end thereof, comprising a substantially parallelpolyhedron base and disposed on at least one surface of the base. and a female screw hole that can be screwed with the male screw is formed in each surface of the parallelepiped body other than the surface on which the flange is arranged, and the flange includes: A joint member, wherein a screw insertion hole having a smaller diameter than the nominal diameter of the female screw hole formed in the opposing surface is formed substantially coaxially with the female screw hole.

According to the above joint member, not only can a plurality of columnar members be fixed, but the joint member itself can be fixed to a structure or the like.

[2] The joint member according to [1], wherein the parallelepiped is a hexahedron.

If the parallelepiped is a hexahedron, vertical pillars can be fixed above and below the joint member, and column members for shelf board support can be fixed to the front, back, left and right of the joint member, so it can be used as a joint member for forming furniture, shelves, etc. , more easily available.

[3] The joint member according to [1] or [2], which has 1 to 3 flanges.

When having one flange, the joint member can be fixed to a wall surface, a floor surface, a ceiling, etc., and when having two flanges, the joint member can be fixed to a wall surface and a floor surface, a wall surface and a wall surface, and a wall surface and a ceiling. The joint member can be fixed at the intersection point (corner of the room), etc., and if there are three flanges, the joint member can be fixed at the intersection point between the floor surface and the two wall surfaces, and the ceiling and the two wall surfaces. The joint member can be fixed to (a corner of the room) or the like. Therefore, better stability is obtained when the shelf or the like is assembled.
The flanges are preferably arranged on adjacent faces of the parallelepiped.

[4] The joint member according to any one of [1] to [3], wherein the diameter of the screw insertion hole is 10 to 60% of the nominal diameter of the female screw hole.

When the screw insertion hole is 10% or more of the nominal diameter of the female screw hole, a screw having a nominal diameter that can more firmly fix the joint member can be used. , the flange portion that receives the compressive force for fastening can be more sufficiently secured.

[5] The joint member according to any one of [1] to [4], wherein the columnar member is a threaded bolt.

If the post-shaped member is a threaded bolt, it can be easily adjusted to the desired length for both vertical posts and for receiving shelf boards, so that furniture to be assembled and / or shelf design and , a wider range of structural variations.

[6] An assembled frame comprising a columnar member having a male thread formed on at least one end thereof, and the joint member according to any one of [1] to [5].

Since the assembly frame includes the joint member, it can be freely fixed to a wall surface, a ceiling, or the like, so that it has an excellent feature that it can be installed in various places.

[7] The assembly frame according to [6], wherein the joint member is screwed to the structure by a screw inserted through the screw insertion hole from the inside of the joint member.

Stability is enhanced by screwing (fastening) the joint member to the structure. It can also be suspended from the ceiling or the like.

[8] The assembly frame according to [6] or [7], wherein the columnar member is a threaded bolt.

If the columnar member is a threaded bolt, the position of the joint member can be set at any position on the columnar member, so that the height of the shelf and the like can be adjusted more freely.

[9] An assembly kit comprising a columnar member having male threads formed on at least both ends thereof, and the joint member according to any one of [1] to [5].

According to the assembly kit, the joint member can be fixed to the structure, so that a frame with higher stability can be assembled. In addition, since the frame can be supported by joint members fixed to the structure, it can be suspended from the ceiling or the like.
Note that if the columnar member is a threaded bolt, the position of the joint member can be set at any position on the columnar member, so frames with more designs and structures can be assembled.

[10] A joint member for inserting and fixing a tip of a columnar member having a male thread formed on at least one end thereof, the joint member comprising a substantially parallelpolyhedral base, wherein each face of the parallelpolyhedron has the male screw threaded thereon. A joint member having a female threaded hole that can be screwed with a screw.

According to the present invention, it is possible to provide a joint member that not only fixes a plurality of columnar members but also can fix itself to a structure or the like. Also according to the invention, a shelf and a kit for building the shelf can be provided.

1 is a perspective view of a joint member according to a first embodiment of the invention; FIG. It is a top view of the said joint member. It is a front view of the said joint member. It is a bottom view of the said joint member. It is a six-sided view of the joint member. It is explanatory drawing of the method of fixing the said joint member to a structure etc. It is explanatory drawing of the method of fixing the said joint member to a structure etc. FIG. 4 is a schematic diagram showing an embodiment of a shelf configured by combining the joint member and the threaded bolt. FIG. 11 is a perspective view of another joint member; It is a six-sided view of a joint member according to a second embodiment of the present invention. It is a six-sided view of a joint member according to a third embodiment of the present invention.

The present invention will be described in detail below.
Although the description of the constituent elements described below may be made based on representative embodiments of the present invention, the present invention is not limited to such embodiments.
In this specification, a numerical range represented by "-" means a range including the numerical values before and after "-" as lower and upper limits.

[First Embodiment of Joint Member]
A joint member according to a first embodiment of the present invention will be described with reference to the drawings.

1 is a perspective view of the joint member, FIG. 2 is a plan view of the joint member, FIG. 3 is a front view of the joint member, FIG. 4 is a bottom view of the joint member, and FIG. It is a six-sided view of the member.

The joint member 10 has a base 100 which is a metal rectangular parallelepiped with chamfered upper and side edges, and a disc-shaped flange 13 provided on the bottom surface of the base 100 .
Among the surfaces of the base body 100, the upper surface 14a, the front surface 14b, the right surface 14c, the rear surface 14d, and the left surface 14e, which are surfaces on which the flange 13 is not provided, have donut-shaped recessed portions 12a and 12b, respectively. , 12c, 12d and 12e are formed.

Female screw holes 16a, 16b, 16c, 16d, and 16e are formed at approximately the centers of the recessed portions 12a, 12b, 12c, 12d, and 12e, respectively, and male threads are formed at least at the tips thereof. The post-shaped member can be screwed together.

The recessed portion functions as a guide when the columnar member is screwed in, and also functions as a decoration for the opening of the female screw hole when the columnar member is not screwed. In addition, the joint member of the present invention may not have the recessed portion.

In the joint member 10, each female screw hole is coaxial with the female screw hole formed in the opposing surface and has the same nominal diameter, and a columnar member (typically , can be inserted into female threaded holes formed in the opposing surfaces.
In addition, in the joint member 10, the nominal diameter and pitch of each female screw hole are all the same. If the nominal diameter and pitch of the female screw holes are the same, the nominal diameter and pitch of the male threads of the columnar members to be used can be unified, which is more convenient.

Specifically, a columnar member screwed into a female threaded hole 16b formed in the front face 14b can be inserted into a female threaded hole 16d formed in the opposite rear face 14d, and can be inserted into a female threaded hole 16d formed in the right side face 14c. A columnar member screwed into the female screw hole 16c can be inserted into the female screw hole 16e formed in the opposing left side surface 14e.

A female screw hole is also bored on the bottom surface side where the flange 13 is arranged, although not shown, and the columnar member screwed into the female screw hole 16a formed in the upper surface 14a is the one shown in the figure. It is possible to enter near the surface of the flange 13 through the female screw hole that is not open.

A screw insertion hole 15 is formed substantially in the center of the flange 13 substantially coaxially with the female screw hole 16a. The diameter _L2 of the screw insertion hole 15 is smaller than the nominal diameter _L1 of the female screw hole 16a. That is, L ₁ >L ₂ .

The screw insertion hole 15 is a hole for inserting a screw for fixing the joint member 10 to a structure (floor, wall, ceiling, etc.), and this screw is inserted from the female screw hole 16a.
Therefore, the portion (in FIG. 2, the doughnut-shaped portion of the flange 13 described inside the female screw hole 16a in FIG. 2) that receives the compressive force for allowing the head of the screw to pass through and for fastening the joint member 10 and the structure, etc. ), it is necessary that L ₁ >L ₂ .

The diameter of the screw insertion hole is not particularly limited as long as it satisfies the above relationship, but if it is 10% or more of the nominal diameter of the female screw hole, a screw with a nominal diameter that can more firmly fix the joint member 10 is used. , and when it is 60% or less, it is possible to sufficiently secure a portion that receives compressive force for fastening.

6 and 7 are explanatory diagrams of a method of fixing the joint member 10 to a structure (not shown). The joint member 10 is threaded with a threaded bolt 22 for the vertical column and a threaded bolt 21 for receiving the shelf board, and fixed with a nut 23 (the threaded bolt 21 for receiving the shelf board). The nut that secures the bolt 21 is not shown).

The joint member 10 is in contact with the structure on the back surface of the flange 13, and the screw 24 is inserted into this structure from the female screw hole formed in the recess 12a and through the screw insertion hole of the flange 13. is screwed into the structure, and the flange 13 (that is, the joint member 10) and the structure are fastened.

FIG. 8 is a schematic diagram showing an embodiment of a shelf configured by combining the joint member 10 and the threaded bolt. Also, FIG. 9 is a perspective view of another joint member that constitutes the shelf.
The shelf 30 is composed of a joint member 10 , a joint member 33 , a vertical pillar bolt 22 , a shelf board receiving bolt 21 , 25 , a shelf board 31 , and a clip 32 .

The joint member 33 is made of a metal substrate having a cubic shape with chamfered edges. A recessed portion 42b is formed in the front face 44b, and a female screw hole is formed substantially at the center thereof. A recessed portion 42c is formed in the right side surface 44c, and a female screw hole is formed substantially at the center thereof. Female screw holes having the same nominal diameter and the same pitch as the female screw holes formed on the respective opposing surfaces are also formed on the bottom surface, rear surface, and left side surface facing each of the above surfaces.
The nominal diameter and pitch of the female screw holes are the same as the nominal diameter and pitch of the female screw holes of the joint member 10 .

The threaded bolts screwed into the female screw holes on each surface of the joint member 33 can be inserted into the female screw holes on the opposite surface. The joint member 33 is configured in the same manner as the joint member 10 except that it does not have a flange and the base is a cube.

The shelf 30 is supported by the joint member 10 fixed to the structure (wall) with screws, and may not be supported by the floor as shown in FIG.

The two shelf boards 31 are each fixed to a joint member 33 by a clip 32, and the joint member 33 is provided with a vertical pillar bolt 22 and/or a shelf board receiving bolt 21, 25. is screwed in and fixed with a nut 23. Joint members 10 are provided at the end and midway of the longitudinal column bolt 22, and the flange of each joint member 10 is fixed to the structure (wall) with a screw (not shown). The shelf 30 is supported by .

Although each shelf board in the shelf 30 is made of glass, the material of the shelf board is not particularly limited, and general materials such as metal, resin, and wood may be used.
Moreover, each shelf board is fixed by the clip 32 in the shelf 30 , but the fixing method of the shelf board is not limited to the above, and for example, it may be bolted to another joint member 33 .

The shelf 30 is an example of a shelf that can be assembled using the joint member 10 and bolts, etc., and its configuration can be freely changed according to the installation location, purpose, desired appearance, etc. .

By using an assembly kit including the joint member 10 and the threaded bolt, shelves with various structures can be freely assembled. The kit preferably includes joint members 33, shelf plates 31, clips 32, nuts 23, screws, etc., in addition to the above.

The shelf described above is an example of the assembly frame formed by the joint members and the columnar members of the present invention, and the assembly frame of the present invention is not limited to the shelf described above. Assembled frames include, for example, furniture such as desks and chairs; machine mounts installed in factories and the like; and the like.

[Second Embodiment of Joint Member]
FIG. 10 is a six-sided view of the second embodiment of the joint member of the present invention.
The joint member 50 has a parallelepiped base 500 with chamfered upper and side edges, and semi-circular flanges 51 and 52 arranged on the bottom and back of the base 500. . A screw insertion hole 54 is formed in the flange 51, a screw insertion hole 53 is formed in the flange 52, and other structures are the same as those of the joint member 10 according to the first embodiment.

The joint member 50 has flanges 51 and 52 arranged on two adjacent surfaces (sharing one edge) of the base 500, and screw insertion holes 54 and 53 are formed in the respective surfaces. The shelf containing this joint member has better stability because it can fix itself to the two walls of the .

Although both the flange 51 and the flange 52 of the joint member 50 have the same semicircular shape, the flanges of the joint member according to the present embodiment are not limited to the above, and may have any shape. Also, the shape of the two flanges may be the same or different.

[Third Embodiment of Joint Member]
FIG. 11 is a six-sided view of the third embodiment of the joint member of the present invention.
The joint member 60 includes a parallelepiped base 600 having a chamfered upper edge and part of side edges, and pentagonal flanges 61 and 62 arranged on the bottom, back, and right side of the base 600. and 63. A screw insertion hole 66 is formed in the flange 61, a screw insertion hole 64 is formed in the flange 62, a screw insertion hole 65 is formed in the flange 63, and other structures are the same as those of the joint member 10 according to the first embodiment. is.

The joint member 60 has flanges 61, 62, and 63 arranged on three adjacent surfaces (each of which shares one edge with the other two surfaces) of the base 600, and screw insertion holes 66, 64, and 65 are formed respectively. The shelf including this joint member has even better stability because it can be fixed to two walls and the ceiling, for example, in the corner of a room.

Although the flanges 61, 62, and 63 of the joint member 60 all have the same pentagonal shape, the flanges of the joint member according to the present embodiment are not limited to the above and may have any shape. Also, the shapes of the three flanges may be the same or different.

The joint member of the present invention is a connecting member (joint member ) can be used as In particular, according to the joint member of the present invention, since it can be fixed to a structure such as a wall and a ceiling, the assembled furniture and shelves have excellent stability. Further, since furniture and shelves can be supported by the joint member of the present invention fixed to the ceiling or wall, hanging shelves can be easily assembled without being supported on the floor surface.

10, 50, 60: joint members, 12a to 12e, 42a to 42c: recesses, 13, 51, 52, 61 to 63: flanges, 15, 53, 54, 64 to 66: screw insertion holes, 16a to 16e: Female screw hole 21, 22, 25: threaded bolt 23: nut 24: screw 30: shelf 31: shelf board 32: clip 33: other joint member 100, 500, 600: base

Claims (10)

A joint member for inserting and fixing the tip of a columnar member having a male screw formed on at least one end thereof,
a substantially parallelepiped base and a flange disposed on at least one face of the base;
A female threaded hole capable of being screwed with the male screw is formed on each surface of the parallelepiped body other than the surface on which the flange is arranged,
A joint member, wherein a screw insertion hole having a diameter smaller than a nominal diameter of the female screw hole formed in the facing surface is formed in the flange substantially coaxially with the female screw hole. 2. The joint member according to claim 1, wherein said parallelepiped is a hexahedron. 3. The joint member according to claim 1, having 1 to 3 flanges. The joint member according to any one of claims 1 to 3, wherein the diameter of said screw insertion hole is 10 to 60% of the nominal diameter of said female screw hole. The joint member according to any one of claims 1 to 4, wherein the columnar member is a threaded bolt. An assembled frame comprising a columnar member having a male screw formed on at least one end thereof, and the joint member according to any one of claims 1 to 5. 7. The assembly frame according to claim 6, wherein said joint member is screwed to the structure by a screw inserted through said screw insertion hole from the inside of said joint member. 8. An assembly frame according to claim 6 or 7, wherein said post-like member is a threaded bolt. An assembly kit comprising a columnar member having male threads formed on at least both ends thereof, and the joint member according to any one of claims 1 to 5. A joint member for inserting and fixing a tip of a columnar member having a male screw formed on at least one end thereof,
Consists of a substantially parallel polyhedral substrate,
A joint member, wherein each surface of the parallelepiped is formed with a female screw hole that can be screwed with the male screw.

Images