JP2976822B2 - Adjuster devices for bookshelves, etc. - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an adjuster device such as a bookshelf, and more particularly to an adjuster device mounted on a leg of a bookshelf or the like for adjusting the height.

[0002]

2. Description of the Related Art Conventionally, various adjusters for adjusting the height of a structure have been provided, and are generally used for furniture such as desks and tables. Further, the structure of the adjuster device is generally formed such that a screw hole is formed at the lower end of the structure by fixing a nut or the like, and a screw shaft vertically provided on a grounding member is screwed to the nut. The height of the structure is adjusted by rotating the shaft.

The present applicant has disclosed an adjuster device used for a bookshelf, a screen panel, an exhibition panel, or the like.
It has already been provided in Japanese Patent Publication No. 9854. The adjuster device described in this publication has a steel adjuster receiver in which vertical plates are formed on both sides of a substrate to which a nut is fixed, and fitted and welded to both ends of a base member made of a steel rod having an inverted U-shaped cross section. An adjusting member having a screw shaft suspended from the ground plate is screwed into the screw hole of the nut so that the height can be adjusted. The structure for closing the end of the base member is provided in Japanese Utility Model Publication No. 5-9855, which is also filed by the applicant of the present invention. That is, the fitting piece of the cap made of synthetic resin is used as the base. There has already been provided a structure in which the claw pieces provided on both sides of the fitting piece are engaged with the engaging holes formed in both the vertical plates of the adjuster receiver while being fitted into the end of the member.

As described above, an adjuster device such as a bookshelf is required to have high strength because of a large load, and a steel hollow rod is usually used as a base member constituting a leg. It is also required to close the end to improve appearance and safety. However, an adjuster device that can simultaneously satisfy these requirements has not been provided.

[0005]

SUMMARY OF THE INVENTION In view of the above situation, the present invention is intended to support a structure having a large load, such as a bookshelf, to adjust the height thereof, and to reduce the strength. An object of the present invention is to provide an adjuster device such as a bookshelf that is high and has excellent appearance and safety.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention comprises a steel hollow rod forming a leg such as a bookshelf, and has an opening at least in the center of the lower surface of the end and both sides. Cut a part of the side plate into a U-shape at the end of the plate, and incline slightly inward so that the leading edge faces inward
Forming a cut and raised piece by bending a base member that forms the leading edge of 該切raised piece and <br/> engaging portion, the end of the end plate and the base member for closing an end of the base member The fitting part to be fitted into the part is integrally formed of a synthetic resin, and the claw pieces for retaining and engaging the engaging part on both sides of the fitting part are cut out on both side surfaces of the fitting part to be inside and outside. A screw shaft formed by giving elasticity to the nut, and an adjuster receiver formed by insert-molding a nut inside, and a ground member fixed to the lower end, and screwed into the screw hole of the nut so as to be adjustable in height. And an adjuster device such as a bookshelf comprising an adjusting member composed of:

[0007]

According to the adjuster device such as a book rack of the present invention having the above-mentioned contents, the fitting portion of the adjuster receiver is inserted into the adjuster holder with the screw shaft of the adjusting member screwed into the screw hole of the nut of the adjuster receiver. The claw pieces provided on both sides of the fitting portion engage with the engaging portions provided at the ends of both side plates of the base member only by being fitted inside the end portion of the base member made of a steel hollow rod forming the leg of the base member. The screw shaft of the adjusting member extends downward from an opening formed in the center of the lower surface of the end of the base member, and a ground member fixed to the lower end thereof is placed on the floor surface, By rotating the grounding member, the adjusting member is vertically displaced with respect to the adjuster receiver to adjust the height of the bookshelf or the like. In addition, the end face plate of the adjuster receiver,
Since the end of the base member is closed, the edge of the base member is not exposed.

[0008]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a first embodiment of the present invention; 1 to 5 show an embodiment of a shelf to which the adjuster device of the present invention is applied. In the drawings, A is a shelf, B is an adjuster device, 1 is a leg, 2 is a top plate, 3 is a side plate, and 4 is a shelf. Receiving plates 5 and 5 indicate shelf plates, respectively.

The illustrated bookshelf A has a plurality of legs 1,... Erected at regular intervals, and a top plate 2 is provided between upper ends of the legs 1, 1.
, A horizontal rod 6 is fixed between the lower ends, and a wooden side plate 3 is attached to the outside of the leg 1 located at the side end. The shelf 5 is placed on the boards 4, 4, and an adjuster device B is provided at the lower end of the leg 1.

The leg 1 is made of steel, and has a base member 8 made of a hollow rod fixed to the lower end of a square pipe-like column 7 so as to form an inverted T-shape. Has an opening 9 at least in the center of the lower surface of the end. In this embodiment, the opening 9 is formed at the center of the entire length of the lower surface of the base member 8.
Lock holes 10 for fitting and locking the shelf receiving plate 4 at regular intervals in the vertical direction are formed on the front surface side or both front and back surfaces of the column 7.

The connecting structure between the leg 1 and the top plate 2 has the structure shown in FIG.
As shown in the figure, the T-shaped connection fitting 11 is used, and in the case of a simple bookcase A1 that can be accommodated on one side of the front and back sides, an L-shaped connection fitting not shown is used. That is, the vertical piece 11a of the T-shaped connection fitting 11
Through the slit hole 12 opened at the end of the top plate 2 from above, the horizontal piece 11b is screwed to the fixing plate 13 of the top plate 2, and the vertical piece 11a penetrating from the slit hole 12 is It is inserted into the upper end and screwed to one side surface of the column 7 to connect. In addition, a wooden decorative board 14 is attached to the front and back stiles of the top plate 2 and the upper surface is covered with a back cover 15.
Is closed.

As shown in FIG. 4, the connecting structure between the leg 1 and the side plate 3 has an inverted T-shaped recess in which the column 7 and the base member 8 of the leg 1 are fitted on the inner surface of the side plate 3. Form 16
Pins 1 provided at both ends of the horizontal portion 16a of the concave portion 16
7 and 17 are dropped into fitting holes 18 and 18 formed in the upper surfaces of both ends of the base member 8 and fitted, and the inner surface of the side plate 3 is screwed to the end surface 19 of the top plate 2.

Adjusters B, B are attached to both ends of the base member 8 of the leg 1 so that the height of the bookshelf A can be adjusted. A baseboard 20 is mounted between the adjacent legs 1 and 1 by using the adjusters B attached thereto, and a back plate 21 is mounted between the columns 7 and 7. Although not shown, a base plate can be fitted and mounted on the upper surfaces of the base members 8 and 8 of the adjacent legs 1 and 1, but the lowermost shelf 5 is moved closer to the base member 8. If provided, this ground plate is unnecessary.

When a plurality of bookshelves A,... Are arranged in parallel at regular intervals, as shown in FIG.
1 is used instead of the cross-connecting metal fitting 22, the lower vertical piece 22a of the cross-connecting metal fitting 22 is screwed to the column 7 in the same manner as described above, and the horizontal piece 22b is screwed to the fixing plate 13 of the top plate 2. 2 and the vertical bar 23a of the T-shaped connecting rod 23 is screwed and fixed to the upper vertical piece 22c protruding from the top plate 2, so that the T-shaped connecting rods 23 provided on the adjacent bookshelves A, A The arched anti-vibration rods 24 are
Connect both ends of This anti-vibration rod 24 is attached to the adjacent bookshelf A,
A single or a plurality of bookshelves A are provided to prevent the lateral vibration of the bookshelf A and to prevent the bookshelf A from collapsing due to an earthquake. When a plurality of anti-vibration rods 24 are provided between adjacent bookshelves A, A, a connecting rod 25 is provided between central portions of the anti-vibration rods 24, 24, and The lighting fixture 26 is attached to the lower surface to illuminate the passage. In addition, the simple bookcase A1 arranged at the end portion
In the case of (1), although not shown, an inverted T-shaped connecting metal is used in place of the cross connecting metal 22 and an inverted L-shaped connecting rod 27 is attached to a vertically upper part of the T-shaped connecting metal. One end of the anti-vibration rod 24 is connected to the rod 27b. Note that the inverted L-shaped connecting rod 27 is also used in the case of the double bookshelf A arranged at the end.

Next, an adjuster device B according to the present invention will be described with reference to FIGS. The adjuster device B of the present invention includes the base member 8 and the adjuster receiver 28.
And an adjusting member 29, which is made of a steel hollow rod forming the leg 1 such as the bookshelf A, has an opening 9 at least in the center of the lower surface of the end, and engages with the ends of both side plates 30, 30. The base member 8 having the portions 31, 31, the end face plate 32 for closing the end of the base member 8, and the fitting portion 33 for fitting inside the end of the base member 8 are integrally formed of synthetic resin. On both sides of the fitting portion 33, there are claw pieces 34, 34 which are engaged with the engaging portions 31, 31, and the adjuster receiver 28 is formed by insert-molding a nut 35 therein. Fix the nut 35
And an adjusting member 29 including a screw shaft 38 screwed into the screw hole 37 so as to be adjustable in height.

More specifically, the base member 8 has side plates 30, 30 formed on both sides of an upper plate 39, and bends the lower edges of the side plates 30, 30 so as to face inward to each other. The lower pieces 40, 40 are formed, the opening 9 is formed between the lower pieces 40, 40, and the inner edge of the lower piece 40 is bent upward beyond the end to form a standing piece 41. The engaging part 3
1 cuts a part of the side plate 30 into a U-shape, and the leading edge is
Is obtained by forming the tip end of the cut and raised piece 42 formed by bending slightly inclined inwardly so as to face the direction. The engaging portion 31 may be the edge of an opening formed in the side plate 30, but is preferably formed of a cut-and-raised piece 42 as in the present embodiment in terms of appearance and strength of engagement. .

The adjuster receiver 28 is in contact with the edge of the base member 8 and is closed at its end on a rectangular end plate 32 in a side view, and at the end of the base member 8 on both side plates 30, 30.
And a fitting portion 33 that tightly fits on the inner surfaces of the upper plate 39 and the lower pieces 40, 40. The fitting portion 33 is a box having an open end. The claw pieces 34 are formed by notches. The claw piece 34 has elasticity inside and outside, forms an engaging step 43 on the outer side of the tip, and forms the engaging step 31 so that the cut-and-raised piece 4 forms the engaging section 31.
2 engages the leading edge. A support portion 44 is formed inside the fitting portion 33 and is continuous with the upper and lower side surfaces. The nut 35 is insert-molded inside the support portion 44, and is formed above and below a screw hole 37 of the nut 35. Defines a space portion 45 for receiving the screw shaft 38 of the adjusting member 29. Further, slit grooves 46 open sideways and upward for mounting the skirting board 20 are provided at both ends of the end face plate 32.
Are formed respectively.

The adjusting member 29 is formed by insert-molding a synthetic resin grounding member 36 at the lower end of a metal screw shaft 38. The grounding member 36 has a hexagonal shape in plan view in this embodiment. ing.

Then, as shown in FIGS. 7 to 9, the adjuster receiver 28 is fitted into the fitting portion 33 from the end of the base member 8, and the claw pieces 34, 34 are engaged with the engaging portion 31. , 31 and the screw shaft 38 of the grounding member 36 screwed into the screw hole 37 of the nut 35 of the adjuster receiver 28.
And the ground member 36 at the lower end thereof can be placed on the floor. The adjusting member 29 can be attached to the adjuster receiver 28 before or after the adjuster receiver 28 is attached to the base member 8. If the adjuster receiver 28 is attached to the base member 8 and the dimensions are set so that the insertion end of the fitting portion 33 abuts against the edges of the standing pieces 41, 41 of the base member 8, a stronger attachment state is obtained. Is obtained.

As shown in FIG. 10, the baseboard 20 has a substantially U-shaped cross section in which an upper plate 48 and a lower plate 49 are bent at upper and lower edges of a substrate 47 at upper and lower edges, respectively. The lower plate 4
The both ends of 9 are located inside the upper plate 48 and open downward,
Further, a fixing member 51 having an engaging piece 50 facing the end portion is fixed to the inner surface of the end of the substrate 47 at a position spaced from the substrate 47 by a predetermined distance. As shown in FIGS. 10 and 11, the engaging piece 50 of the baseboard 20 is dropped into the slit groove 46 of the adjuster receiver 28 attached to the base member 8 of the leg 1 from above and is engaged. The upper plate 48 is mounted on the upper surfaces of the base member 8 and the end plate 32 of the adjuster receiver 28.

The adjuster device B of the present invention includes:
A stabilizing plate 52 for preventing overturning can be provided in association therewith. That is, as shown in FIG. 13 and FIG. 14, the stabilizer 52 has a projecting base 53 projecting upward at the center, and is fixed to the floor surface 54 on both sides of the projecting base 53 with the anchor screw 55. Grounding plates 56, 56, through holes 57 through which anchor screws 55 are respectively inserted, and a notch 58 opened to one side in the center of the protruding base 53. Is formed. Then, the notch hole 58 is engaged with the screw shaft 38 from the side such that the grounding member 36 of the adjusting member 29 is located below the protruding base 53 with the stabilizer 52, and in this state, the grounding plate 56 is fixed to the anchor screw 55. Is fixed to the floor surface 54. By connecting the adjusting member 29 of the adjuster device B to the floor surface 54 in this way, the lateral displacement and lifting of the leg 1 can be prevented, and the bookcase A can be prevented from falling down.

[0022]

According to the adjuster device such as a bookshelf of the present invention as described above, the fitting portion of the adjuster receiver is fitted with the screw shaft of the adjusting member screwed into the screw hole of the nut of the adjuster receiver. The claw pieces provided on both sides of the fitting portion are engaged with the ends provided on both side plates of the base member only by being fitted inside the base member made of a steel hollow rod forming a leg such as a bookshelf. It can be attached to the part by retaining engagement, and it is extremely strong in spite of being extremely easy to attach, and has excellent appearance and safety because it closes the end of the base member. Further, since the conventional adjuster receiver made of metal and the end cap made of synthetic resin are integrated and molded of synthetic resin, the cost can be reduced. Of course, the screw shaft of the adjusting member extends downward from the opening formed at the center of the lower surface of the end of the base member, and a grounding member fixed to the lower end thereof is placed on the floor surface, and by rotating the grounding member, the adjuster is rotated. The height of the bookshelf or the like can be adjusted by vertically moving the adjusting member with respect to the receiving member.

[Brief description of the drawings]

FIG. 1 is an overall simplified perspective view of a bookshelf to which an adjuster device of the present invention is applied.

FIG. 2 is also a simplified side view.

FIG. 3 is a simplified plan view.

FIG. 4 is an exploded perspective view of a main part of the bookshelf.

FIG. 5 is an exploded perspective view of a main part showing a structure for connecting bookshelves to each other.

FIG. 6 is an enlarged exploded perspective view showing the adjuster device of the present invention.

FIG. 7 is a cross-sectional view illustrating a state where the adjuster receiver is mounted on the base member.

FIG. 8 is a sectional view of a main part showing a state after the adjuster receiver is attached to the base member.

FIG. 9 is a partially exploded perspective view showing a relationship between a leg and an adjuster device.

FIG. 10 is a partially omitted enlarged perspective view of a baseboard;

FIG. 11 is an exploded perspective view of a main part showing a state in which a baseboard is attached.

FIG. 12 is an enlarged plan view of a main part showing a state where a baseboard is attached.

FIG. 13 is an exploded perspective view of a main part showing a stabilizer for preventing the bookshelf from collapsing;

FIG. 14 is an enlarged partial cross-sectional view of the same mounting state.

[Explanation of symbols]

 Reference Signs List A Bookcase A B Adjuster device 1 Leg 2 Top plate 3 Side plate 4 Shelf receiving plate 5 Shelf 6 Horizontal rod 7 Support 8 Base member 9 Opening 10 Locking hole 11 T-shaped connection fitting 12 Slit hole 13 Fixing plate 14 Decorative plate Reference Signs List 15 back cover 16 recess 17 pin 18 engagement hole 19 end face 20 baseboard 21 back plate 22 cross connection bracket 23 T-shaped connecting rod 24 anti-vibration rod 25 connecting rod 26 lighting fixture 27 inverted L-shaped connecting rod 28 adjuster receiver 29 adjusting member Reference Signs List 30 side plate 31 engaging portion 32 end face plate 33 fitting portion 34 claw piece 35 nut 36 ground member 37 screw hole 38 screw shaft 39 upper plate 40 lower piece 41 standing piece 42 cut and raised piece 43 engaging step portion 44 support portion 45 Space 46 Slit groove 47 Substrate 48 Upper plate 49 Lower plate 50 Engagement piece 51 Fixing member 52 Stabilizer 53 Projection table 54 Floor surface 55 Anchor screw 56 Grounding plate 57 Through 58 cut-out holes

Claims (1)

(57) [Claims] 1. A steel hollow rod forming a leg such as a bookcase, having an opening at least in the center of the lower surface of the end, and cutting a part of the side plate into a U-shape at the ends of both side plates. , Slightly inclined inward so that the leading edge faces inward
By bending Jo form a lug, the tip edge of 該切raised piece
A base member having an engaging portion , an end face plate for closing an end portion of the base member, and a fitting portion internally fitted to an end portion of the base member are integrally formed of synthetic resin, and An adjuster receiver formed by notching both side surfaces of the fitting portion so as to have elasticity inside and outside by forming claw pieces for retaining and engaging with the engaging portion on both sides, and insert-molding a nut inside. An adjuster device such as a bookshelf, comprising: an adjusting member having a screw shaft fixed to a lower end of a grounding member at a lower end thereof and threadably adjusted to a screw hole of the nut.