JP3076905B2 - Deck joint structure that can be used on both sides and how to use it - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint structure of a top plate or a mounting plate constituting furniture such as a desk, a chair with a table, a table, a shelf, and a cabinet, especially a top plate as a desk. More specifically, the present invention relates to a technique of reversing the deck damaged by aging and using the back surface as well as the front surface rationally.

[0002]

2. Description of the Related Art Conventionally, a top plate (hereinafter referred to as a deck), which is most frequently used among components constituting a desk, a chair, and the like, is frequently scratched because of its high frequency of use. It is easily damaged and must be replaced with a new deck each time. The deck whose surface can no longer be used is discarded as it is, or crushed into chips to be recycled.

[0003] It has also been considered that the damaged deck is not replaced and the deck is turned upside down and its back surface is turned upside down. However, a number of holes for attaching fastening means such as screws are formed on the underside of the deck, and these holes hinder the use of the underside of the deck.

[0004] For this reason, in using the back surface of the deck, a method of filling the hole, smoothing the upper surface, and then attaching a new surface material is employed.

[0005]

In order to use the back surface of the deck, the work of filling the hole on the back surface, the smoothing work of the upper surface of the back surface, and the work of attaching a decorative material such as a surface material are performed as described above. Must take a lot of effort and time,
I can not stand the trouble at all. In addition, the costs involved in these operations are increased, and these points are issues to be solved.

[0006] Therefore, an object of the present invention is to provide a desk and a chair with a table, etc., when the surface of the deck is damaged by use over time, the deck is turned over and the back surface is used simply and safely in the same manner as the front surface. An object of the present invention is to provide a joint structure of a deck which can be used on both sides, which has been improved as much as possible, and a reasonable and economical method of using the deck.

[0007]

Means for Solving the Problems As means for solving the above-mentioned problems, the joint structure of the deck capable of using the front and back surfaces according to the first aspect of the present invention comprises: A joint structure in which a fixed body that covers a part of the upper surface of the deck is detachably joined to the frame,
A small hole is provided in the upper part of the frame, a through hole is formed in the outer peripheral surface portion of the deck, and a protrusion that can be inserted into the through hole of the deck is provided on the lower surface of the fixed body,
A female screw which can be screwed into the screw from below is formed inside the protruding portion, and a female screw of the protruding portion of the fixed body inserted into the through hole of the deck is provided with a small hole of the frame. And a screw inserted from below is screwed.

According to a second aspect of the present invention, there is provided a joint structure of a deck which can be used on the front and back sides, wherein the through hole of the deck comprises one side in a longitudinal direction and a short side direction of the deck. The fixed body is formed in a U-shaped frame along the through hole of the deck, and the protrusion of the U-shaped frame and the small hole of the frame are formed on the outer peripheral surface along the three sides of the two sides. Are provided at positions common to through holes formed along three sides of the deck.

According to a third aspect of the present invention, there is provided a joint structure of a deck which can be used on the front and back sides, wherein the female screw of the projecting portion of the fixed body is provided inside the projecting portion. It is characterized by being formed by a nut buried at the upper end.

According to a fourth aspect of the present invention, there is provided a joint structure for a deck which can be used for front and back surfaces, wherein the upper surface of the fixed body is arranged in a direction from the outer edge to the inner edge in the invention described in the first or second aspect. It is characterized by being formed in a downwardly inclined shape.

According to a fifth aspect of the present invention, there is provided a method for using a deck which can be used front and back, which is detachably sandwiched between a frame and a fixed body. A plurality of through holes are formed in the outer peripheral surface along three sides of one side in the longitudinal direction and two sides in the lateral direction. b) The fixed body is formed in a U-shaped frame along the through hole of the deck, and a plurality of protrusions that can be inserted into the through holes of the deck are provided on a lower surface of the U-shaped frame, The inside of the protrusion is formed as a female screw into which a screw can be screwed from below. c) A plurality of small holes are provided above the frame at positions common to the through holes of the deck and the projecting portions of the U-shaped frame. d) Each projecting portion of the U-shaped frame is inserted into each common through-hole of the deck from above, and the deck fixed by the U-shaped frame is aligned with the through-hole and the small hole to form a frame. It is supported on the upper part, a screw is inserted into the small hole of the frame from below, and screwed into the female screw of the protruding portion in the through hole, and the deck is joined with the frame and the U-shaped frame in a sandwiched state. e) To turn over the deck damaged by aging and use the back surface, remove the screw screwed into the female screw at the projecting portion of the U-shaped frame, remove the U-shaped frame once, and After the deck has been inverted, the U-shaped frame is covered from above the inverted deck in the same manner as described above, the deck is supported on the upper portion of the frame, and a screw is inserted through a small hole of the frame from below to penetrate. It is characterized by being screwed into a female screw of a protruding portion in the hole, respectively.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The joint structure of a deck which can be used on the front and back sides according to the first aspect of the present invention is provided in a case where the surface of a deck constituting a desk, a chair with a table, a table, a shelf, etc. is damaged. In order to make it usable after being turned over, it is suitably implemented in the following form, which is detachably joined by a fixed body 7 that covers the deck 1 from above and a frame 5 that supports the deck 1 below.

That is, a small hole 6 is formed in the upper portion 5a of the frame 5.
Is provided, a through hole 2 is formed in the outer peripheral surface portion of the deck 1,
A projection 8 that can be inserted into the through hole 2 of the deck 1 is provided on the lower surface of the fixed body 7, and the inside of the projection 8 is formed as a female screw 9 into which the screw 4 can be screwed from below. (See FIG. 2). Therefore, the through hole 2 of the deck 1
The female screw 9 of the fixed body projection 8 inserted into the
By screwing the screw 4 inserted from below into the small hole 6, the deck 1 is firmly fixed by the screw 4 so as to be sandwiched between the fixed body 7 and the frame 5. There is no hindrance to the use of desks etc. (Fig. 1).

According to a second aspect of the present invention, there is provided a joint structure of a deck,
As shown in FIG. 3A, the through hole 2 of the deck 1 is provided with one side 1a in the longitudinal direction and two sides 1b
It is formed on the outer peripheral surface along the three sides of b. The fixed body 7 is formed in a U-shaped frame along the through hole 2 of the deck 1 (FIGS. 4 and 5). Then, the projecting portion 8 of the U-shaped frame 7
And the small holes 6 of the frame 5 are three sides 1a, 1
b, 1b are provided at positions common to the through holes 2 formed along the lines 1b (see FIG. 5).

Therefore, the small hole 6 of the frame 5 and the deck 1
Can be easily adjusted to the common position with the protruding portion 8 (female screw 9) of the through hole 2 (see FIG. 2), so that the screw 4 can be easily and securely fastened from below (see FIG. 2). 1).

The joint structure of the deck according to the third aspect is
The female screw 9 of the protrusion 8 of the fixed body 7 is provided with a nut 10 previously embedded at the upper end inside the protrusion 8 as illustrated in FIG.
Therefore, the fastening operation of the screw 4 can be performed smoothly and reliably by the nut 10 (FIG. 1).

The joint structure of the deck according to claim 4 is as follows.
Since the upper surface of the fixed body (U-shaped frame) 7 is formed so as to be gradually inclined downward from the outer edge to the inner edge, an object placed on the deck 1 can be moved from a desk or the like. Falling can be prevented (see FIGS. 4B and 5B).

According to a fifth aspect of the present invention, there is provided a method of using a deck which can be used front and back surfaces, wherein the front and back surfaces are detachably sandwiched between the frame 5 and the U-shaped frame (fixed body) 7 having the above structure. This is a preferred method of using the deck 1.

Each projecting portion 8 of the U-shaped frame 7 is
Are inserted from above into the common through-holes 2 to cover the upper surface of the deck 1 with the U-shaped frame 7 (FIG. 5). In this state, the protruding portion 8 of the U-shaped frame 7 is simply inserted into the through hole 2 of the deck 1, so that removing the U-shaped frame 7 as described later requires no labor. Do not need.

The deck 1 covered with the U-shaped frame 7 is aligned with the through holes 2 and the small holes 6 so that the upper portion 5a of the frame 5
And the screw 4 is inserted from below into the small hole 6 of the frame 5 and screwed into the female screw 9 of the protruding portion 8 in the through hole 2, and the deck 1 is fixed by the frame 5 and the U-shaped frame 7. Join in the sandwiched state.

The surface of the deck 1 is damaged due to long-term use, and the screw 4 screwed into the female screw 9 of the projecting portion 8 of the U-shaped frame 7 is removed to use the back surface. After the U-shaped frame 7 is once removed and the deck 1 is turned over, the U-shaped frame 7 is turned over in the same manner as described above.
And the deck 1 is supported by the upper part 5a of the frame, and the screw 4 is inserted into the small hole 6 of the frame 5 and screwed into the female screw 9 of the projecting part 8 inserted into the through hole 2 at the common position. This makes it possible to use the back surface of the deck 1 easily and reasonably.

[0022]

FIG. 1 shows an embodiment of a joint structure of a deck that can be used on the front and back sides, and FIGS. 2 to 5 show examples of members constituting the joint structure.

Each of the small holes 6 formed in the upper part 5a of the frame 5 constituting a leg or the like partially illustrated in FIG.
Are provided at the same pitch at a position common to the through hole 2 and the protruding portion 8 of the U-shaped frame 7. Further, a decorative plate 3 made of a melamine resin is joined to the front and back surfaces of the core material of the deck 1 partially illustrated in FIG. 2, and when the deck 1 is turned over and its back surface is used, surface treatment is performed. (Processing) can be saved.

The deck 1 illustrated in FIG. 3 is manufactured in a rectangular shape from laminated plywood.

The through hole 2 of the deck 1 is provided at a central position on the outer peripheral surface along one side 1a in the longitudinal direction of the deck 1 and at a predetermined interval from the edges of the left and right short sides 1b. Two places are formed in the right and left uniform arrangement. Deck 1
In the outer peripheral surface along one side 1b, 1b in the lateral direction of the left and right, three portions are formed in an equal or non-uniform arrangement. Therefore, when the addition is made to the through holes 2 formed along the one side 1a in the longitudinal direction, a total of nine through holes 2 are formed in one deck 1.

The U-shaped frame (fixed body) 7 illustrated in FIG.
Is made of a resin and is formed in a U-shaped frame along the through hole 2 of the deck 1 (see FIG. 5), and the surface of the U-shaped frame 7 extends from the outer peripheral edge to the inner peripheral edge. Gently and gradually downward.

The projecting portion 8 provided on the back surface of the U-shaped frame 7 is provided at a position common to the through hole 2 of the deck 1 and the small hole 6 of the frame 5.

Insertion hole 8 formed inside projection 8
a is formed so that the screw 4 can be inserted therethrough, and a nut 10 is formed on the upper end thereof as a female screw 9 having a size capable of screwing the screw 4.
Is buried. However, as in the case of the protruding portion 8 'shown in FIG. 9, the female screw 9' can be formed over the entire inner wall of the insertion hole 8a of the protruding portion 8 '.

[0029]

6 to 8 show a deck 1 and a U-shaped frame 7.
Are shown.

Although the size and shape of the deck 1 illustrated in FIG. 6 are the same as those of the above-described embodiment, the number of the through holes 2 is smaller than that of the above-described embodiment, and the deck 1 is implemented at a total of six places. In other words, two through holes 2 in the present embodiment are equally arranged on the outer circumferential surface along one side 1a in the longitudinal direction of the deck 1 and two on the outer circumferential surface along the short side 1b on the left and right sides. Is formed.

The U-shaped frame 7 illustrated in FIG. 7 has the same length of one side in the longitudinal direction as that of the above embodiment, but the length of one side in the shorter direction is shorter than that of the above embodiment. Have been.
The reason why the protrusions 8 are formed to be short is that the projecting portions 8 only have to be at the common position in the two through holes 2 formed along the short side 1b of the deck 1 in the present embodiment. is there. Therefore, the projecting portion 8 provided on the U-shaped frame 7 is provided.
Are also the same as the number of the through holes 2, that is, six.

[0032]

According to the first aspect of the present invention, there is provided a joint structure of a deck which can be used for front and back surfaces, wherein a deck constituting a desk or the like is sandwiched between a fixed body (U-shaped frame) and a frame. Since the screw is screwed into a female screw (especially a buried nut according to the third aspect) formed inside the fixed body, it is firmly fixed, so that safety in daily use of a desk or the like is ensured. .

When the surface of the deck is damaged by the use over time, the deck is turned upside down and the back surface is turned to the upper surface, the protrusion of the fixed body is inserted into the through hole of the deck, and the frame of the frame is used. Just by aligning the position with the small hole and screwing in the screw, the desk or the like can be used immediately and conveniently, and it is convenient. That is, since the back surface of the deck can be used in exactly the same way as the front surface, the useful life of a desk or the like is doubled as compared with the conventional case, and as a result, cost reduction is also achieved.

In the joint structure according to the second aspect of the present invention, the fixed body is formed in a U-shaped frame so that use of a desk or the like is not hindered. Since the through hole of the deck can be easily adjusted to the common position, the screw fastening operation can be easily and quickly performed, contributing to a dramatic improvement in working efficiency.

According to the fourth aspect of the present invention, since the upper surface of the fixed body (U-shaped frame) is formed so as to be inclined downward from the outer edge to the inner edge, it is mounted on the deck. There is no fear that small articles such as stationery, books, etc., which have been dropped, may be accidentally dropped outside.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing a joint structure of a deck that can be used for front and back surfaces.

FIG. 2 is an exploded cross-sectional view showing a joint structure of a deck that can be used on both sides.

3A and 3B are a plan view and a front view of a deck, respectively.

4A and 4B are a plan view and a front view of a fixed body.

FIGS. 5A and 5B are a plan view and a front view showing a joint state between a deck and a fixed body.

6A and 6B are a plan view and a front view of different decks, respectively.

7A and 7B are a plan view and a front view of different fixed bodies.

FIGS. 8A and 8B are a plan view and a front view showing a joint state of a different deck and a fixed body.

FIG. 9 is an exploded cross-sectional view showing a joint structure of the deck with different protrusions.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Deck 2 Through-hole 3 Decorative board 4 Screw 5 Frame 5a Upper part 6 Small hole 7 Fixed body (U-shaped frame) 8 Projection part 9 Female screw 10 Nut

──────────────────────────────────────────────────続 き Continuation of the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) A47B 1/00-41/06 A47B 96/18 F16B 12/00-12/60

Claims (5)

(57) [Claims] 1. A joint structure in which a deck whose front and back surfaces can be used and a fixed body that covers a part of the upper surface of the deck are detachably joined to a frame, and A small hole is provided, a through hole is formed in the outer peripheral surface portion of the deck, and a protrusion that can be inserted into the through hole of the deck is provided on the lower surface of the fixed body,
A female screw which can be screwed into the screw from below is formed inside the protruding portion, and a female screw of the protruding portion of the fixed body inserted into the through hole of the deck is provided with a small hole of the frame. The joint structure of the deck which can be used on the front and back surfaces, wherein a screw inserted from below is screwed into the deck. 2. The through hole of the deck is formed on an outer peripheral surface along three sides of one side in the longitudinal direction and two sides in the transverse direction of the deck, and the fixed body is formed in a U-shape along the through hole of the deck. Formed in a U-shaped frame, wherein the protrusions of the U-shaped frame and the small holes of the frame are provided at positions common to through holes formed along three sides of the deck. The joint structure of a deck usable for front and back sides according to claim 1. 3. The deck according to claim 1, wherein the female screw of the projection of the fixed body is formed by a nut embedded at an upper end inside the projection. Joint structure. 4. The joint of decks usable for front and back surfaces according to claim 1, wherein an upper surface of the fixed body is formed in an inclined shape descending from the outer edge to the inner edge. Part structure. 5. A method of using a deck which can be used front and back to be detachably sandwiched between a frame and a fixed body, comprising: a) along three sides of one side in a longitudinal direction and two sides in a short direction of the deck. B) the fixing body is formed in a U-shaped frame along the through hole of the deck, and the protrusion is formed with a protrusion that can be inserted into the through hole of the deck. A plurality of female screws are provided on the lower surface of the U-shaped frame, and a female screw capable of being screwed from below is formed inside the protruding portion. C) In the through hole of the deck and the protruding portion of the U-shaped frame. A plurality of small holes are provided at an upper portion of the frame at a common position. D) Each protruding portion of the U-shaped frame is fitted into each common through-hole of the deck from above and fixed by the U-shaped frame. The supported deck is supported on the upper part of the frame with its through holes and small holes aligned with each other. A screw is inserted into the small hole of the arm from below and screwed into the female screw of the protruding portion in the through-hole, and the deck is joined by being sandwiched between the frame and the U-shaped frame; e) the underside of the deck To use the U-shaped frame, remove the screw screwed into the female screw at the protruding part of the U-shaped frame, remove the U-shaped frame once, turn the deck over, and then Covering the frame from above the inverted deck,
The deck is supported on the upper part of the frame, and the screw is inserted from below into the small hole of the frame and screwed into the female screw of the protruding part in the through hole, which is performed by using the front and back surfaces, respectively. How to use the deck.