JP4459255B2 - Frame structure - Google Patents

Description

The present invention relates to a frame structure, and more particularly to a frame structure (storage shelf) in which assembly work can be easily performed and the stability of the structure of the assembled assembled product is extremely good.

  There are various frame structures of conventional storage racks, but the general connection method of storage racks is mainly to open one groove on the bottom of one plate of the storage rack and one on the side of the other plate. A hole is opened and the two plates are clamped vertically with screws.

  According to the above connection method, there is a merit that the structure is simple and the assembling work is easy, but there are the following drawbacks.

That is, according to the above connecting method, since the groove formed on the bottom surface of the plate has a function of positioning and guiding, the user cannot screw the screw into the groove unless a large force is applied, and the screw into the groove. When the screw is screwed in, if the force applied to the screw is uneven, the screw is likely to be displaced, so that the stability of the structure of the assembled storage rack may be low after the user tightens the plate with the screw. .

  The main object of the present invention is to provide a frame structure in which the tightness of the combination of each member is improved, and it is not easily dropped or disassembled by an external force, and the stability of the entire structure is improved.

  The next object of the present invention is to provide a frame structure in which the assembling work and the disassembling work are very convenient, and the user can easily assemble or disassemble it by himself / herself.

Another object of the present invention is to provide a frame structure in which the space occupied during transportation and storage is reduced because the members are separable.

In order to achieve the above object, the first invention of the present application includes a plurality of support pipes having a plurality of annular grooves formed on the outer peripheral surface thereof at equal intervals, the outer peripheral surface having a conical shape, A plurality of inner linings fitted to the outer peripheral surface of the support tube and a plurality of connecting tools are provided so that an arc-shaped convex portion is provided on the peripheral surface, and the arc-shaped convex portion is positioned in the annular groove. And at least one frame structure composed of a plurality of tension units and a plurality of connecting pipes, and arcuate recesses are provided on the four peripheral surfaces thereof, and are assembled inside the frame structure. In the frame structure including each arc-shaped recess and at least one plate covering the outer peripheral surface of each connecting pipe, the connecting tool has a through hole in the center, and a plurality of outer peripheral surfaces have a plurality of holes. A screw hole is opened, and the compression unit includes a first compression tool, The first pressing tool and the second pressing tool are provided with inclined surfaces facing each other on one side, and a through hole extending in the axial direction at the center. there Yes by opening respectively, wherein the respective through-holes Yes by inserting fastener is the tool the tightening is Ru screwed into the screw hole in said connecting member by inserting the respective through-holes, said first The first pressing tool and the second pressing tool are fastened to the connecting tool, and the connecting tool is fitted to the connecting pipe on the outer peripheral surface, and the fastening tool is rotated to rotate the first pressing tool and the second pressing tool. The frame structure is characterized in that the two urging tools are displaced from each other to press the inner peripheral surface of the connecting pipe, and the inner lining of the outer peripheral surface of the support pipe is fitted into the through hole of the connecting tool. Is the gist.

  The gist of the second invention of the present application is the frame structure according to the first invention, wherein the through-hole of the connecting tool has a conical shape whose diameter increases from top to bottom.

  In the third invention of the present application, the inner lining is composed of a first piece and a second piece that are opposed to each other and have an arc shape, and has a conical shape whose outer peripheral surface expands from top to bottom, The first piece has an arc-shaped convex portion on its inner surface, two lugs facing each other are provided on one side, and the second piece has an arc-shaped convex portion of the first piece. An arc-shaped convex part is also provided according to the part, a notch is opened according to the lug of the first piece, and the arc-shaped convex part of the first piece and the second piece is in the support pipe The first piece and the second piece together cover the outer peripheral surface of the support tube so that the lug of the first piece engages with the notch of the second piece while engaging with the annular groove. The gist is the frame structure according to the first invention.

  The gist of the fourth invention of the present application is that the support tube is the frame structure according to the first invention, wherein a plurality of annular grooves are provided on the outer peripheral surface at equal intervals.

  The fifth invention of the present application is summarized in that it is the frame structure according to the first invention, wherein each arc-shaped recess of the plate exhibits a recessed shape.

  The sixth invention of the present application is summarized in that the connecting tool is a frame structure according to the first invention, which has a substantially spherical shape.

The gist of the seventh invention of the present application is the frame structure according to the first invention, wherein the plate is any one of a metal plate, a wood plate, and a resin plate.

According to the frame structure of the present invention, the assembling work and the disassembling work are very convenient, the user can easily assemble or disassemble himself / herself, the tightness of the combination of each member is improved, and it is easy by external force Without being dropped or decomposed, the stability of the entire structure is improved, and the space occupied during transportation and storage is reduced.

  Preferred embodiments of the present invention will be described below in detail with reference to the accompanying drawings.

  First, reference is made to FIGS. The frame structure of the present invention includes four support tubes 10, a plurality of inner linings 20, at least one frame structure 30, and at least one plate 40.

  The support tube 10 has a plurality of annular grooves 11 formed around the outer peripheral surface at equal intervals.

The inner lining 20 is composed of a first piece 21 and a second piece 22 that are opposed to each other and have an arc shape. The inner lining 20 has a conical shape in which the outer peripheral surface expands from top to bottom.
The first piece 21 is provided with an arc-shaped convex portion 211 on its inner surface, two lugs 212 facing each other are provided on one side surface, and the second piece 22 is a circle of the first piece 21. An arc-shaped convex portion 221 is also provided according to the arc-shaped convex portion 211, a notch 222 is opened according to the lug 212 of the first piece 21, and the circle between the first piece 21 and the second piece 22 The first piece 21 is configured such that the arc-shaped convex portions 211 and 221 are engaged with the annular groove 11 in the support tube 10 and the lug 212 of the first piece 21 is engaged with the notch 222 of the second piece 22. And the second piece 22 together cover the outer peripheral surface of the support tube 10.

  The frame structure 30 includes a plurality of connecting tools 31, a plurality of tension units 32, and a plurality of connecting pipes 33.

The connecting tool 31 has a substantially spherical shape, and a through hole 311 having a conical shape whose diameter increases from top to bottom is opened at the center, and a plurality of screw holes 312 are formed at equal intervals on the outer peripheral surface thereof. It is.

The compression unit 32 includes a first compression tool 321, a second compression tool 322, and a fastening tool 323. The first compression tool 321 and the second compression tool 322 are opposed to each other on one side. Slopes 3211 and 3221 are respectively provided, and through holes 321 2 and 322 2 extending in the axial direction are formed in the center, respectively, and a fastening tool 323 is inserted into each of the through holes 321 2 and 322 2. and Yes, when the fastener 323 is the Ru screwed into the screw hole 31 2 in the connecting member 31 is inserted through the through hole 321 2, 322 2, the first tension member 321 and the second tension member 322 and is now clamped to the connecting member 31, and the connecting member 31 is fitted to the connecting tube 33 at the outer peripheral surface, by rotating the fastener 323, a first tension member 321 second tense Tool 322 is displaced from each other and connected The inner peripheral surface of the pipe 33 is pressed, and the inner lining 20 of the outer peripheral surface of the support pipe 10 is fitted into the through hole 311 of the connecting tool 31 .

The plate 40 may be a metal plate, a wood plate as shown in FIGS. 4 and 5, or a resin plate.
Arc-shaped concave portions 41 are respectively provided on the four peripheral surfaces. In this embodiment, each arcuate recess 41 has a recessed shape, and the plate 40 is assembled inside the frame structure 30, and each arcuate recess 41 is an outer periphery of each connecting pipe 33. Cover the surface.

  Next, the assembly method of the present invention will be described in detail with reference to FIGS. First, the arc-shaped convex portions 211 and 221 of the first piece 21 and the second piece 22 are engaged with the annular groove 11 in the support tube 10, and the lug 212 of the first piece 21 is missing from the second piece 22. The first piece 21 and the second piece 22 of the plurality of inner linings 20 are covered on the outer peripheral surface of the support tube 10 so as to engage with the ports 222.

Thereafter, the assembly work of the frame structure 30 is performed. As shown in FIG. 2, the fastening tool 323 is inserted into the through holes 3212 and 3222 along the axial direction of the first and second fastening tools 321 and 322 and screwed into the screw holes 312 in the connecting tool 31. The connecting tool 31 is fitted into the connecting pipe 33.
At this time, by rotating the tightening tool 323, the slope 3211 in the first pressing tool 321 and the slope 3221 in the second pressing tool 322 are shifted from each other, and the first pressing tool 321 and the second pressing tool 322 are shifted. Can press the inner peripheral surface of the connecting pipe 33, and the frame structure 30 as shown in FIG. 1 is completed. Therefore, the assembling work of the present invention is very simple.

Next, as shown in FIG. 2, the through hole 31 1 of the conical shape whose diameter increases from the top to the bottom of the connecting member 31 of the frame structure 30, in the outer peripheral surface of each support tube 10, expanding from top to bottom When the conical inner lining 20 having a diameter is inserted, the entire frame structure 30 becomes solid.

Finally, as the arcuate recess 41 of the plate 40 covers the outer peripheral surface of the connecting pipe 3 3 directly assembling the plate 40 to the inside of the frame structure 30. Therefore, the user can quickly assemble or disassemble the present invention.

  According to the above assembling method, the user can easily assemble two or more frames (for example, a storage shelf).

Further, according to the present invention, mainly by rotating the fastening tool 323, the slope 3211 in the first pressing tool 321 and the slope 3221 in the second pressing tool 322 are displaced from each other, and the first pressing tool 321 And the second pressing tool 322 can be pressed against the inner peripheral surface of the connecting pipe 33. As a result, the first pressing tool 321 and the second pressing tool 322 expand in the radial direction so that the inner peripheral surface of the connecting pipe 33 is expanded. When tightened, the tightness of the combination of the members is improved, and it is not easily dropped or disassembled by an external force, and the stability of the entire structure is improved.

It is a disassembled perspective view of Example 1 of the present invention. It is a one part disassembled perspective view of Example 1 of this invention. It is sectional drawing of the one part combination state of the frame structure of Example 1 of this invention. It is the cross-sectional schematic of the state which assembled | attached the plate to Example 2 of this invention. It is an external appearance perspective view of Example 2 of the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Support pipe 11 Running inside annular groove 20 21st piece 211 Arc-shaped convex part 212 Lug 22 2nd piece 221 Arc-shaped convex part 222 Notch 30 Frame structure 31 Connecting tool 311 Through-hole 312 Screw hole 32 Tightening unit 321 First compression tool 3211 Slope 3212 Through hole 322 Second compression tool 3221 Slope 3222 Through hole 323 Fastening tool 33 Connecting pipe 40 Plate 41 Arc-shaped recess

Claims (7)

A plurality of support pipes having a plurality of annular grooves ringed at equal intervals on the outer peripheral surface;
The outer peripheral surface has a conical shape, the inner peripheral surface is provided with an arc-shaped convex portion, and is fitted to the outer peripheral surface of the support tube so that the arc-shaped convex portion is positioned in the annular groove. Multiple inner linings,
At least one frame structure including a plurality of connecting tools, a plurality of tension units, and a plurality of connecting pipes;
Arc-shaped recesses are respectively provided on the four peripheral surfaces, and are assembled inside the frame structure, and each arc-shaped recess covers the outer peripheral surface of each connecting pipe, and at least one plate; In a frame structure including
The connecting tool has a through hole in the center and a plurality of screw holes in the outer peripheral surface.
The compression unit includes a first compression tool, a second compression tool, and a fastening tool, and the first compression tool and the second compression tool are provided with inclined surfaces facing each other on one side. A through hole extending in the axial direction is formed at the center, a fastener is inserted through each through hole, and the connecting tool is inserted through each through hole. When Ru is screwed into a threaded hole in the, now the the first tension member and the second tension member is fastened to the connecting member, and the connecting member is engaged with the connecting tube at the outer surface, the fastener , The first pressing tool and the second pressing tool are displaced from each other to press the inner peripheral surface of the connecting pipe, and the inner lining of the outer peripheral surface of the support pipe is inserted into the through hole of the connecting tool. Characterized by being fitted,
Frame structure.
The frame structure according to claim 1, wherein the through-hole of the connecting tool has a conical shape whose diameter is expanded from the top to the bottom.
The inner lining is composed of a first piece and a second piece that are opposed to each other and have an arc shape, and has a conical shape whose outer peripheral surface expands from top to bottom. An arc-shaped convex part is provided on the inner surface, two lugs facing each other are provided on one side, and the second piece has an arc shape according to the arc-shaped convex part of the first piece. Protrusions are also provided, a notch is opened according to the lug of the first piece, and the arc-shaped convex part of the first piece and the second piece engages with the annular groove in the support tube The first piece and the second piece together cover the outer peripheral surface of the support tube so that the lug of the first piece engages the chip of the second piece. Description frame structure.
The frame structure according to claim 1, wherein the support pipe has a plurality of annular grooves provided on the outer peripheral surface thereof at equal intervals.
The frame structure according to claim 1, wherein each arcuate recess of the plate has a recessed shape.
The frame structure according to claim 1, wherein the connecting tool has a substantially spherical shape.
  The frame structure according to claim 1, wherein the plate is any one of a metal plate, a wood plate, and a resin plate.

Images