JPH11313718A - Desk - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a desk, where left and right leg bodies are connected by a connecting frame, capable of assembling the left and right leg bodies by the connecting frame by a simple procedure without requiring any tool, housing a surplus cord in the lower part of a top plate, and further, the changing design of the desk after completion as a desk. SOLUTION: The left and right leg bodies 2 and 2 having engagement holes 211... which are formed at prescribed interval in front and rear parts in the vertical direction on their inner surfaces are connected by the connecting frame 3 having downward lock pawls 30... to be engaged with the engagement holes 211... in its left and right end parts. Lock pieces 6 and 6 which are freely put-in/out in the direction of the leg bodies 2 and 2 are disposed in the left and right end parts of the frame 3. In the meantime, lock holes 212 and 212 are arranged on the inner surfaces of the leg bodies 2 and 2, which are formed at positions where the lock pieces 6 and 6 are fitted in a state where the downward lock pawls 30... are engaged with the engagement holes 211....

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a desk having left and right legs connected by a connection frame.

[0002]

2. Description of the Related Art Conventionally, the desk has left and right legs erected at predetermined intervals, and downward engaging pawls provided at left and right ends of a connection frame are formed in engagement holes formed in the rear inner surface of the legs. After connecting the left and right ends of the connecting frame and the inner surface of the leg with screws, and further connecting the decorative plate to the outer surface of the connecting frame, the left and right legs, the connecting frame and the upper surface of the decorative plate It was the structure which connected the top plate. For this reason, it takes time to assemble the connection frame and the left and right legs, and because the connection frame and the top plate are in close contact, it is not possible to lead the excess cord below the top plate, and a wiring code storage member is required. Also, after the desk was completed, it was not possible to easily change the design of the desk by removing the decorative panel.

[0003]

According to the present invention, the left and right legs and the connection frame can be assembled by a simple procedure without any tools, and the surplus cord can be stored under the top plate. It is another object of the present invention to provide a desk that allows the design of the desk to be changed even after the desk is completed.

[0004]

Means for Solving the Problems Therefore, in order to solve the above problems, the present invention is configured as a first means,
In the vertical direction, a left and right leg body having an engagement hole formed at a predetermined interval in the front and rear on the inner surface, and a connection frame having downward locking claws at the left and right end portions to be engaged with the engagement hole. In the connected desk, a lock piece is provided at the left and right ends of the connection frame so that the lock piece can be moved in and out in the leg direction. The leg has a lock hole formed at a position where the leg can be fitted therein.

Further, the present invention is configured as a second means that the left and right legs having engagement holes formed at predetermined intervals in front and rear in the up-down direction on the inner surface are provided. A lock which has a downward locking claw at the left and right ends that engages with the hole and is connected to a connection frame having an open upper surface so that the left and right ends of the connection frame can freely enter and exit in the leg direction. A lock hole formed at a position where the lock piece can be fitted in a state in which the downward locking claw is engaged with the engagement hole, and the lock hole is formed on the inner surface of the leg, and is connected to the left and right legs. In the state where the frames are connected, the upper surface of the connection frame is located below the upper surface of the leg by a predetermined distance, and in a state where the top plate is connected between the upper surfaces of the left and right legs, the upper surface of the left and right is connected between the lower surface of the top plate and the connection frame. A cord insertion gap is formed over the entire width between the legs, and the cord is inserted through the cord insertion hole formed on the rear edge of the top plate. It is obtained by enabling housed in the connecting frame.

Further, the present invention is configured as a third means in that the upper end of at least the rear wall of the frame connected between the left and right legs is positioned below the lower surface of the top plate by a predetermined dimension, and the cord is inserted therethrough. By forming a gap, a decorative panel with a locking member that can be locked from above from the upper end of the rear wall is provided on the back side of the upper end, and can be moved up and down in the gap for inserting the cord, so that it can be attached to and detached from the connection frame. It is attached to.

Further, the present invention is configured as a fourth means, in which the left and right legs having engagement holes formed at predetermined intervals in the front and rear in the vertical direction on the inner surface, At the left and right ends of the connecting frame, a desk having a downwardly engaging locking claw that engages with the hole at the left and right ends and a connecting frame with an open upper surface is connected.
While the lock piece is provided so as to be able to move in and out in the direction of the leg, the lock hole formed at a position where the lock piece can be fitted in the state in which the downward locking claw is engaged with the engagement hole is used. With the left and right legs and the connection frame connected,
The upper surface of the connection frame is located below the upper surface of the leg by a predetermined distance, and the top plate is connected between the upper surfaces of the left and right legs, and the cord is inserted between the lower surface of the top plate and the connection frame over the entire width between the left and right legs. A gap is formed, a cord can be inserted into a cord insertion hole formed in the rear edge of the top plate, the cord can be stored in the connection frame, and a locking member that can be locked from above from the upper end of the rear wall of the connection frame. The decorative curtain plate provided on the back of the upper end is removably attached to the connection frame by being movable up and down in the gap for inserting the cord.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION In the vertical direction, left and right legs having engagement holes formed at predetermined intervals in the front and rear, on the inner surface,
Downward engaging pawls engaging with the engaging holes are provided at left and right ends, and at a desk connected to a connection frame having an open top surface, the left and right ends of the connection frame can freely enter and exit in the leg direction. In the state where the lock piece is provided, a lock hole formed at a position where the lock piece can be fitted is provided on the inner surface of the leg in a state where the downward locking claw is engaged with the engagement hole, and the left and right legs have In a state where the connection frame is connected, the upper surface of the connection frame is located below the upper surface of the leg by a predetermined dimension, and in a state where the top plate is connected between the left and right leg upper surfaces, between the lower surface of the top plate and the connection frame, A cord insertion gap is formed over the entire width between the left and right legs, and the cord can be stored in the connection frame by being inserted through the code insertion hole formed on the rear edge of the top plate. Up and down movement of the decorative curtain plate with a locking member that can be locked from the upper end back surface can be made in the gap for inserting the cord By forming, in which attached removably to the connecting frame.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail based on embodiments.
In FIG. 2, reference numeral 1 denotes a desk according to the present invention. The desk 1 includes left and right legs 2, 2, a connection frame 3 in which the left and right legs 2, 2 are connected to the left and right ends, and a top plate 4 connected to the upper surfaces of the left and right legs 2, 2. And a decorative panel 5 detachably attached to the rear surface of the connection frame 3.

Since the left and right legs 2, 2 are formed in the same shape facing each other, one leg will be described.
Leg body 24 composed of inner and outer walls 21, 22 and rear wall
The upper support rod 25 has a rear portion fitted and connected to an upper end opening formed at an upper end of the leg main body 24 and a front portion protruding forward.
And a lower support rod 26 having a rear portion fitted and connected to a lower end opening formed at a lower end of the leg main body 24 and a front portion protruding forward.
It is composed of

Then, on the upper surface of the rear end of the upper support rod 25,
Dharma holes 252 are formed on the back surface of the top plate 4 and engage with a stepped screw (not shown) screwed into the screw holes from the front,
At the front end of the upper support rod 25, a connecting screw is inserted from below with a stepped screw (not shown) engaged with the dharma hole 252, and a connecting screw hole ( (Not shown), and a top plate connecting hole 2 for connecting the top plate 4 and the leg 2.
51 are formed. Adjusters 27, 27 are provided at the front and rear ends of the lower support rod 26 on the lower surface, and a synthetic resin front cap 2 is detachably mounted on the front surface of the leg main body 24.
8 is attached.

On the other hand, on the rear side of the inner wall 21 of the leg main body 24, a predetermined interval corresponding to the depth dimension of the connecting frame 3 is provided.
Engagement holes 211 in which the left and right ends of the connection frame 3 are engaged at predetermined intervals corresponding to the height of the connection frame 3 in the vertical direction.
Are formed, and at a predetermined position on the inner wall 21 (close to the engaging hole 211 located at the rear upper part of the engaging hole 211. Lock hole 212 is formed to maintain the pressure.

The connecting frame 3 is provided with front and rear walls 31 and 32 having a predetermined interval in the front and rear direction, an upper partition 33 provided between upper portions of the front and rear walls 31 and 32, and a predetermined dimension below the upper partition 33. An upper surface is opened from the lower partition 34, the upper part of the upper partition 33 is a cord storage unit 330, the space between the upper partition 33 and the lower partition 34 is an upper duct 331, and the lower part of the lower partition 34 is a lower duct 341. At the same time, the width of the upper partition wall 33 and the lower partition wall 34 is formed to be shorter than the width dimensions of the front and rear walls 31 and 32 by a predetermined length. The cord insertion passages 35, 35 that are continuous with the upper duct 331, the upper duct 331, and the lower duct 341 are formed.

Downward locking claws projecting from the upper and lower ends of the front and rear walls 31, 32 of the connecting frame 3 to the left and right legs 2, 2 and engaging with the engaging holes 211 from above. 30 ...
Are formed at positions where the upper surfaces of the front and rear walls 31 and 32 are located a predetermined distance below the upper surfaces of the left and right legs 2 and 2 in a state of being engaged with the engagement holes 211. A lock which can be freely inserted and removed in the direction of the leg 2 at a position where it can be fitted into the lock hole 212 of the leg 2 in a state where the locking claws 30 are engaged with the engagement holes 211. Piece 6, 6
Are provided at the left and right ends of the cord storage section 330.

Since the left and right lock pieces 6, 6 have the same configuration, only one side will be described. The lock piece 6 is held by a lock piece support 7 attached to the upper inner surface of the rear wall 32 of the connection frame 3.

The lock piece supporting portion 7 includes an outer piece 71 located on the side of the leg 2, an inner piece 72 located inside the outer piece 71 by a predetermined dimension, and a mounting piece 73 fixed to the upper inner surface of the rear wall 32. A spring receiving member 74 having a substantially U-shaped cross section with an opening on the leg 2 side is formed on the inner piece 72.
Are formed on the spring receiving member 74 and the inner piece 72.
Is formed with a holding hole 721 for supporting the central portion of. The outer piece 71 has a smaller insertion hole 711 than the holding hole 721 corresponding to the holding hole 721.

The lock piece 6 is inserted through the insertion hole 711, and has a leg 61 whose end side is freely insertable into the lock hole 212,
A spring mounting hole 64 is formed at the center of the operation part 61 so that a spring holding projection 63 protrudes inward. Has an operation hole 65 formed therein. And the spring mounting hole 6
4, a spring 70 whose outer end is fitted on the spring holding projection 63 and whose inner end is in contact with the inner surface of the spring receiving member 73, is attached to the outer end of the operating part 62. The lock portion 61 is in contact with the inner surface of the lock member 71 and is urged so as to be always in a posture of being fitted into the lock hole 212.

That is, the downward locking claws 30 of the connecting frame 3 are inserted into the engaging holes 211 of the left and right leg bodies 24, 24.
Are fitted, the lock portions 61, 6 of the lock pieces 6, 6 are inserted.
The tip of 1 is in contact with the inner side walls 21, 21 and temporarily moves inward against the spring 70. And the connection frame 3
Are pushed downward, and the downward locking claws 30.
11 are engaged with the lower ends of the lock portions 61, 6
1 are aligned with the lock holes 212... And are repelled by the spring 70 to fit into the lock holes 212.
Are prevented from moving upward, and the upper surface of the connection frame 3 is connected by a predetermined distance below the upper surfaces of the left and right legs 2, 2.

In order to disassemble the connecting frame 3 and the legs 2 and 2 from this state, a fingertip is hooked into the operation hole 65 of the locking piece 6 from above the connecting frame 3 having an open upper surface.
Is moved rightward in FIG. 3 (inward of the connection frame 3), and the lock portion 61 is pulled out from the lock hole 212. (The state shown in FIG. 4.) Next, while maintaining this state, the connecting frame 3 is pulled up with respect to the legs 2, 2 so that the downward locking claws 30. Disengage and disengage. At this time, the connection frame 3 is open at the upper surface, and the lock pieces 6, 6 are provided at the left and right ends of the cord storage portion 330 facing the opening, so that the operation is easy.

The decorative curtain plate 5 is formed in a substantially half-moon shape having an arcuate lower surface, has a lower opening at the upper part of the inner surface, and has a locking member 51 which can be locked to the rear wall 32 of the connecting frame 3 from above. A connecting portion 52 having a screw hole that is screwed and connected to the rear wall 32 is formed on the inner surface of the lower end portion, and is detachably attached to the connecting frame 3. Then, with the decorative panel 5 attached to the connecting frame 3, the upper surface of the decorative panel 5 is located above the upper surface of the connecting frame 3 and below the upper surface of the leg 2, and
When the decorative curtain plate 5 is moved upward with respect to the connection frame 3 in a state where the left and right legs 2 and 2 are connected, the locking member 51
The connection frame 3 has a gap that can deviate from the rear wall 32.
That is, the decorative curtain plate 5 is configured to be detachable from the connection frame 3 even when the desk 1 is completed.

The top plate 4 has a concave portion 41 at the front edge where the body of the user is located, and OA on the desk at the right and left ends of the rear edge.
Cord insertion holes 8, 8 for guiding the cord 10 of the device to the cord storage part 330, the upper duct 331, and the lower duct 341 of the connection frame 3 are formed. The cord insertion holes 8 and 8 are
And a base 91 attached to the notches 81, 81, and an insertion hole frame member 92 detachably attached from above the base 91.

As shown in FIGS. 6 and 7, the base 91 has upper and lower protruding edges 911 and 912 sandwiching the upper and lower edges of the notch 81 of the top plate 4, and a portion between the upper and lower protruding edges 911 and 912. The left and right inner edge portions 913 and 913 are located between the left and right inner surface edge portions 913 and 913.
Front edge portion 91 formed continuously at the front end of each of 13, 913
4 and is integrally formed of a synthetic resin material. And
An insertion hole protruding inward at approximately the center in the front-rear direction of opposing left and right inner surface edges 913, 913 at a height of approximately half of the left and right inner surface edges 913, 913 in the vertical direction at a predetermined interval in the front-rear direction. The positioning projections 915... Of the frame member 92 are formed, and the positioning projections 915.
Engagement holes 916... Of the insertion hole frame member 92 are formed.

The base 91 is configured as described above, and
After the upper and lower protruding edges 911 and 912 are externally fitted so as to sandwich the upper and lower edges of the notch 81 from behind the notch 81, the front end of the lower protruding edge 912 and the back surface of the top plate are screwed. It is attached as

An insertion hole frame member 92 removably attached to the base 91 is integrally formed with a rear edge 921 for closing between the rear ends of the left and right inner surface edges 913 and 913 and an upper end of the rear edge 921. A rear blocking portion 922 that is formed on the left and right inner surface edges 913 and 913 to close between the rear upper surfaces, and the left and right inner surface edges 913,
913, and the lower surface is located on the positioning protrusion 91.
Left and right edge portions 923, 923 contacting the upper surface of 5 ...
, Projecting below the left and right edges 923 on the front and rear sides of the positioning projections 915.
Are integrally formed of a synthetic resin material from locking projections 925 having a front end at the left and right ends of the rear closing portion 922, at the upper ends of the left and right edges 923, 923. , Slide support grooves 926, 926 for slidably holding a lid member 93 described later in the front-rear direction.

The lid member 93 has a pair of slide projections 931 and 931 which project inwardly from the lower surfaces of the right and left end portions and which fit into the slide support grooves 926 and 926, and a through-hole frame member 92 which is inserted into the base 91.
Is attached, the front edge 914 and the rear blocking 92
The cover 932 is formed with a cover portion 932 that allows the cord insertion hole 8 formed between the two to be opened and closed. A plurality of non-slip projections 933 are formed on the upper surface of the cover portion 932. When the cord insertion hole 8 is opened, the insertion hole frame 9
A stopper projection 934 that contacts the front end of the rear closing portion 922 is formed to protrude downward.

The insertion hole frame member 92 has a slide support groove 92.
6, 926 slide ridges 931 of the lid member 93 from the rear end,
931 is fitted, and is fitted to the base 91 attached to the top plate 4 from above while holding the lid 93 slidably in the front-rear direction. At this time, the lower surfaces of the left and right edges 923 of the insertion hole frame member 92 are
5 at the same time as contacting the upper surface
Are elastically engaged with the engaging / disengaging holes 915. The positioning projections 915 are located between the locking projections 925.
Of the base 91 and the insertion hole frame material 9 are prevented.
2, the cord insertion hole 8 is formed.

The cover 93 is slid backward,
The cord insertion hole 8 is opened by overlapping the rear closing portion 922 of the insertion hole frame member 92. At this time, the stopper projection 934 abuts on the front end of the rear closing portion 922, and regulates the rearward movement of the lid member 93. On the other hand, from this state, the cover member 93 is moved forward, and the front end of the cover 932 and the front edge 9 of the base 91 are moved.
When the cover 14 is brought into contact with the cover 14, the cover 93 closes the cord insertion hole 8.

The cord insertion holes 8, 8 configured as described above
As described above, the top plate 4 is provided with the stepped screws (not shown) formed on the rear surface on the left and right sides of the rear end portion and screwed into the screw holes, and the left and right legs 2 connected to the connection frame 3, 2 Dharma holes 25
2 and 252, and then, through a connection screw (not shown) from below the top plate connection holes 251 and 251 of the upper support rods 25 and 25, a connection formed on the rear surface on the left and right sides of the front end portion. It is screwed into a screw hole (not shown) and connected to the legs 2, 2. In this state, a cord insertion gap 400 is formed between the back surface of the top plate 4 and the connection frame 3, and in a state where the desk 1 is installed facing the cord 100, the cord 100 is temporarily stored in the code storage section 3 of the connection frame 3.
3 and from the cord insertion gap 400,
The other desk 1 is guided through the code insertion gaps 400 of the other desk 1 through the code insertion holes 8, 8 onto the top plate 4.

[0029]

According to the first aspect of the present invention, the lock pieces are provided at the left and right ends of the connecting frame so as to be able to move in and out in the leg direction. In the combined state, a lock hole formed at a position where the lock piece can be fitted is provided in the inner surface of the leg, so that the operation of engaging the locking claw with the engagement hole and locking the lock piece is performed. The work of fitting into the hole can be performed without changing the posture.
Since no tools are required to connect the legs and the connection frame, the work is easy.

According to the second aspect of the present invention, in addition to the above-described effects, in a state where the left and right legs and the connection frame are connected, the upper surface of the connection frame is located below the upper surface of the leg by a predetermined distance. With the top plate connected between the upper surfaces of the legs, a code insertion gap is formed between the lower surface of the top plate and the connection frame over the entire width between the left and right legs, and the code insertion hole formed on the rear edge of the top plate is inserted. The cord can be stored in the connection frame, so even if the desks are installed facing each other, wiring to each desk is easy, and another member such as a wiring storage box for newly storing extra cords Since it is not required, it can be manufactured at low cost.

According to the third aspect of the present invention, at least the upper end of the rear wall of the connecting frame connected between the left and right legs is positioned below the lower surface of the top plate by a predetermined distance to form a gap for inserting a cord. When the desk is installed facing the desk, by providing a decorative panel provided with a locking member that can be locked from above at the upper end of the rear wall, and being able to move up and down in the gap for inserting the cord. The plaque can be easily removed,
When used alone, it is not necessary to reassemble the desk, so that the decorative panel can be easily attached, and since the mounting member of the decorative panel and the connecting frame are also used, it can be manufactured at low cost.

According to the fourth aspect of the present invention, the connecting operation of the leg and the connecting frame can be performed without changing the posture, and no tool is required for connecting the leg and the connecting frame.
Wiring to each desk is easy, and there is no need for a separate member such as a wiring storage box for storing extra cords, so it can be manufactured at low cost and the decorative panel can be easily removed, depending on the installation location. Thus, it is possible to provide a desk of a different design, and it can be manufactured at a low cost because the attachment member of the decorative panel and the connection frame are also used.

[Brief description of the drawings]

FIG. 1 is a perspective view of a main part of a leg and a connection frame.

FIG. 2 is an exploded perspective view of the present invention.

FIG. 3 is a sectional view of a main part showing a connection state of a leg and a connection frame.

FIG. 4 is a cross-sectional view of a main part in a state where a lock piece is extracted from a lock hole.

FIG. 5 is a sectional view taken along line AA of FIG. 3;

FIG. 6 is an essential part cross-sectional view showing a fitted state of a base and an insertion hole frame material.

FIG. 7 is a perspective view of a base and an insertion hole frame material.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 desk 2 leg 21 inner wall 211 engagement hole 212 lock hole 24 leg main body 3 connection frame 30 downward locking claw 32 rear wall 4 top plate 400 cord insertion gap 5 decorative curtain plate 51 locking member 6 lock piece 8 code insertion Hole

Claims (4)

[Claims] 1. Left and right legs having an engagement hole formed on the inner surface formed at a predetermined interval in front and rear in the up-down direction, and a downward locking claw engaged with the engagement hole is provided at left and right end portions. In the desk formed by connecting the connecting frames, the lock pieces are provided at the left and right ends of the connecting frame so as to be able to move in and out in the leg direction, while the downward locking claws are engaged with the engaging holes. A desk having a lock hole formed at a position where the lock piece can be fitted therein, on the inner surface of the leg. 2. Left and right legs having an engagement hole formed on the inner surface formed at a predetermined interval in front and rear in the up-down direction, and a downward locking claw engaging with the engagement hole is provided at left and right end portions. And a connecting frame having an upper surface opened and connected to the connecting frame, a lock piece is provided at the left and right ends of the connecting frame so as to be able to move in and out in the leg direction, while the downward locking claw is engaged with the engaging member. With the hole engaged,
A lock hole formed at a position where the lock piece can be fitted is provided on the inner surface of the leg, and in a state where the left and right legs and the connection frame are connected, the upper surface of the connection frame is lower than the upper surface of the leg by a predetermined dimension. With the top plate connected between the upper surfaces of the left and right legs,
A code insertion gap is formed across the entire width between the left and right legs between the lower surface of the top plate and the connection frame, and the code can be stored in the connection frame by inserting the code insertion hole formed in the rear edge of the top plate. Desk with features. 3. A cord insertion gap is formed by positioning at least the upper end of the rear wall of the connection frame connected between the left and right legs below a lower surface of the top plate by a predetermined distance, and forming the cord insertion gap from above at the upper end of the rear wall. A desk characterized in that a decorative curtain plate provided with a lockable locking member on the upper rear surface can be moved up and down in the gap for inserting a cord, so that the desk can be detachably attached to the connection frame. 4. Left and right legs having engagement holes formed on the inner surface formed at predetermined intervals in front and rear in the vertical direction, and downward locking claws engaging with the engagement holes are provided at left and right end portions. In a desk connecting a connection frame having an open upper surface, a lock piece is provided at the left and right ends of the connection frame so as to be able to move in and out in the leg direction, while a downward locking claw is provided in the engagement hole. In the engaged state, the lock piece has a lock hole formed at a position where the lock piece can be fitted therein, and the upper surface of the connection frame is a leg body in a state where the left and right legs and the connection frame are connected. A cord insertion gap is formed between the lower surface of the top plate and the connection frame over the entire width between the left and right legs while the top plate is connected between the upper surfaces of the left and right legs at a predetermined distance below the upper surface. The cord can be stored in the connecting frame by passing through the cord insertion hole formed in the rear edge, and the upper end of the rear wall of the connecting frame A desk which is detachably mounted on a connection frame by making a decorative plate having a locking member which can be locked from above at the upper rear surface movable up and down in the gap for inserting the cord.