JPH0513231U - Steel furniture with top plate - Google Patents

Abstract

(57) [Abstract] [Purpose] Assemble the top plate to the main body by a simple work without requiring skill or labor. [Structure] A rear side mounting hole 1 including a large insertion hole 15 and a narrow locking hole 16 in a lateral member 13 at the rear of the wagon body 10.
4 are opened on the left and right, and the front side mounting hole 1 is formed on the front lateral member 17.
8 are opened to the left and right, and lock holes 19 are formed on both sides of the mounting hole 18. A pair of left and right female screws 25 are arranged on the front and rear portions of the lower surface of the top plate 20. The mounting bracket 30 includes a body portion 31 that is smaller than the insertion hole 15, a pair of holding portion pieces 33 protruding from the left and right ends of the body portion, and a pair of protruding pieces protruding from one end of both holding portion pieces. 34 and an insertion hole 32 opened at the center of the main body piece. Then, the mounting bracket 30 is fastened to the female screw 25 on the rear portion of the top plate. This top plate 20
The mounting bracket 30 is inserted into the insertion hole 15 and abuts on the upper surface of the wagon body 10. The top plate 20 is slid backward, and the pressing piece 33 is locked to the edge of the locking hole 16. The mounting bracket 30 is inserted into the lock hole 19 and fastened to the female screw 25 at the front portion of the top plate.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a steel furniture with a top plate, and more particularly, to improvement of a structure for attaching the top plate to a main body, for example, a steel wagon (hereinafter referred to as a wagon) used in an office. Regarding what is valid.

[0002]

[Prior Art]

 As a conventional wagon top plate mounting structure, there is one disclosed in Japanese Utility Model Laid-Open No. 2-121828. That is, the top plate mounting structure of this wagon is a wagon body that is opened on the top surface and the front surface, and has a sheet metal horizontal member installed on the front part of the top surface and the back part of the top surface. In a wagon equipped with a top plate, the rear side horizontal member has a large width passage hole and a small width locking hole continuously formed in the rear side horizontal member, and the front side horizontal member. A screw insertion hole is provided in the top plate, and a pin whose head can pass through the passage hole is planted in the rear part of the lower surface of the top plate, and the head of the pin is passed through the passage hole to open the lower end face of the locking hole. The screw inserted into the screw insertion hole is screwed onto the top plate at a position where the top plate is fixed to the wagon body.

[0003]

[Problems to be solved by the device]

 However, in the conventional wagon top plate mounting structure, when the top plate is attached to the pins as the mounting brackets of the main body, the top plate floats left and right, which requires skill in the assembly work. There is a problem that it is troublesome.

An object of the present invention is to provide a top furniture with a top plate that can be easily assembled to the main body.

[0005]

[Means for Solving the Problems]

 The steel furniture with a ceiling plate according to the present invention has at least an upper surface and a front surface opened, and a main body in which horizontal members are installed at front and rear portions of the upper surface opening, and a main body upper surface opening covered with the main body. In a steel furniture with a ceiling plate including a ceiling plate and a mounting bracket for fixing the ceiling plate to the main body, a pair of rear side mounting holes are provided on the left and right sides of the rear lateral member. At the same time, both rear mounting holes consist of a large-width insertion hole and a small-width locking hole arranged at one end of this insertion hole. A pair of front side mounting holes are arranged on the left and right sides, and lock holes are formed on both the left and right sides of both front side mounting holes. There are two pairs of female screws, one on the left and one on the right. Each of the mounting brackets is provided with a main body part that is formed in a flat plate shape smaller than the insertion hole, and a pair of pressing members that project from the left and right ends of the main body part at right angles. At least 4 of the same structure are provided, each of which has a part, a pair of protrusions protruding from one end of each pressing part, and an insertion hole formed in the center of the body part. Two of these mounting brackets are installed on the left and right female screws at the rear of the top plate so that a gap is formed between the bottom surface of the top plate and the pressing piece with the protruding piece side facing up. Then, the screw member inserted in the insertion hole is screwed and fixed, and the top plate is brought into contact with the upper surface of the main body, and the main body piece of the mounting bracket is inserted in the insertion hole. The top plate slides to one side, and the pressing piece of the mounting bracket engages. Two of the fittings are inserted into the female holes on the left and right of the front of the top plate, and the projecting pieces are inserted into the lock holes. It is characterized in that the screw members are screwed into the female screw and fixed respectively.

[0006]

[Action]

 In the above-mentioned means, the respective mounting fittings are respectively brought into contact with the left and right positions on the front side or the rear side of the top plate, and the screw members are inserted into the insertion holes of the mounting fittings and fastened to the female screws of the top plate.

After that, the top plate is covered on the upper surface of the main body with the mounting bracket fixed. At this time, the left and right mounting brackets of the top plate are respectively inserted into the left and right insertion holes of the main body, and the left and right female screws on the front side of the top plate are aligned with the left and right front mounting holes of the main body, respectively.

In this state, when the top plate is slid forward or rearward with respect to the main body, the rear lateral member is relatively positioned in the gap forming portion between the pressing piece and the bottom surface of the top plate of the top plate mounting bracket. Is inserted into. As a result, the top plate is temporarily fixed to the rear lateral member. Therefore, the top plate is reliably prevented from floating with respect to the main body.

Next, the other fittings are aligned with the left and right female screws on the front side from the lower surface of the front lateral member, the respective projecting pieces are fitted into the respective lock holes, and the screw members are inserted into the insertion holes of the fittings. , Screwed into the female thread. When the mounting bracket is fastened to the front side, the top plate enters a locked state in which the main body is prevented from moving due to the fitting between the protrusion of the mounting bracket and the lock hole.

[0010]

【Example】

 1 is an exploded perspective view showing a wagon with a top plate according to an embodiment of the present invention, FIG. 2 is a partially omitted side sectional view showing a mounting structure of the top plate, and FIG. 3 is a partially omitted bottom sectional view thereof. FIG. 4 is an enlarged exploded perspective view showing a rear mounting portion, and FIG. 5 is an enlarged disassembled perspective view showing a front mounting portion.

In the present embodiment, the steel furniture with a top plate according to the present invention is configured as a wagon 1 with a top plate, and the wagon 1 with the top plate is provided on the wagon body 10 and the upper surface of the wagon body 10. It is provided with a top plate 20 to be covered, and a mounting bracket 30 for fixing the top plate 20 and the wagon body 10.

The wagon body 10 is formed of a shape steel, a coated steel plate, or the like, and is constructed in a rectangular parallelepiped box shape having an open top, bottom, and front by appropriate means such as spot welding. Four casters 11 and four corners are attached to the lower surface of the wagon body 10, and the casters 11 make the wagon 1 movable. A drawer (not shown) is slidably inserted in a front and rear direction in a drawer opening 12 formed in the front opening of the wagon body 10.

At the rear end and the front end of the upper surface of the wagon body 10, a rear lateral member 13 and a front lateral member 17 are bridged so as to be parallel to each other in the left-right direction, and suitable means such as spot welding is used. It is fixed by. A pair of left and right rear mounting holes 14 and 14 are formed in the rear lateral member 13 at positions separated from each other in the left and right directions. Each attachment hole 14 is composed of an insertion hole 15 having a substantially square planar shape, and a locking hole 16 having a substantially square planar shape and having a smaller diameter than the insertion hole 15. It is arranged at the center of the rear side of the insertion hole 15 and is cut out so as to be continuous with the insertion hole 15.

Further, a pair of left and right front mounting holes 18, 18 are formed in the front lateral member 17 at positions separated from each other in the left and right, and each mounting hole 18 has a rectangular planar shape and a left and right width thereof. It is formed in a rectangular shape which is equal to the locking hole 16 of the rear mounting hole 14 and has a front-rear length longer than the locking hole 16. A pair of left and right lock holes 19, 19 are formed on the left and right sides of each attachment hole 18 at the center of the attachment hole 18 in the front-rear direction. The lock hole 19 is a flat surface into which a projection piece (described later) of the attachment fitting 30 is fitted. It is formed in a substantially rectangular shape.

The top plate 20 includes a main body 21, and the top plate main body 21 is made of a suitable resin such as vinyl chloride or melamine resin, and has a rectangular flat plate shape whose plane shape is larger than the upper surface of the wagon main body 10. Is integrally molded into. A plurality of reinforcing ribs 22 are laid in the shape of a grid on the lower surface of the top plate body 21, and the ribs 22 provide sufficient rigidity to the top plate.

On the lower surface of the top plate body 21, there are two pairs of mounting protrusions 23 on the left and right, which are arranged at the positions corresponding to the front and rear mounting holes 14 and 18 of the wagon body 10, respectively. The mounting projections 23 are formed in a short cylindrical shape having a diameter equal to the width of the locking hole 16 of the rear mounting hole 14 and the front mounting hole 18 in the left-right direction. ing. Further, these mounting projections 23 are arranged in the top plate body 21 so as to be symmetrical with respect to each other in the front-rear direction and the left-right direction. Therefore, the mounting direction of the top plate main body 21 in the front-rear direction with respect to the wagon main body 10 is set to be free.

Further, a female screw member 24 is integrally insert-molded and fixed to each mounting convex portion 23, and the female screw member 24 substantially constitutes a female screw 25.

In the present embodiment, four mounting members 30 having the same structure are provided for fixing the wagon body 10 and the top plate 20 in a fixed manner. The mounting bracket 30 is made of an appropriate material such as structural steel, is integrally formed by press working, and has a main body part 31. The metal fitting body 31 is formed in a flat plate shape smaller than the insertion hole 15 in the wagon body 10. A screw insertion hole 32 is formed in the center of the metal fitting body 31.

A pair of pressing pieces 33 are provided on both left and right ends of the metal fitting body 31, and are bent and projected vertically upward. A pair of left and right protrusions 34 are vertically protruded upward at one end (hereinafter referred to as the front side) on the upper surface of each pressing piece 33, and each protrusion 34 and the lock hole 19 cross section. It is formed in a rectangular shape having substantially the same shape. The upper surface of the projecting piece 34 and the upper surface of the pressing piece 33 form a gap forming portion 35.

Further, an inclined surface portion 36 is formed at the rear end portion on the upper surface of the pressing portion piece 33 so as to taper toward the rear, and the inclined surface portion 36 has an insertion opening for the gap forming portion 35. It is designed to be substantially configured.

Further, a rising portion 37 is bent and protrudes upward in the vertical direction at the front end side of the metal fitting body 31, and an escape recess 38 is formed in the center of the rising portion 37 in the left-right direction. It is set up. The recess 38 is formed so that the reinforcing rib 22 of the top plate 20 can be fitted therein and escaped.

Next, the work of assembling the top plate 20 to the wagon body 10 will be described. This description clarifies the details of the configuration of the wagon 1 with the top plate.

Of the group of mounting projections 23 in the top plate body 21, each mounting metal piece 30 is in contact with a pair of mounting projections 23, 23 located on the left and right of one short side (hereinafter referred to as the rear side). They are brought into contact with each other and fastened with screws 40.

That is, the mounting bracket 31 is directed to the mounting projection 23, the pressing portion piece 33 side is directed upward, and the inclined surface portion 36 side is directed rearward, and the screw insertion hole 32 thereof is aligned with the female screw 25. The reinforcing ribs 22 are arranged so as to fit into the escape recesses 38 and abut. In this abutting state, the screw 40 is inserted through the insertion hole 32 of the mounting member 31, is screwed into the female screw 25 of the top plate 20, and the mounting member 31 is fastened to the mounting projection 23. In this fastened state, a gap is formed between the top plate 20 and the lower surface of the reinforcing rib 22 by the gap forming portion 35 of the mounting member 31.

After that, the top plate 20 to which the mounting brackets 35 are fixed on the left and right sides of the rear side is put on the upper surface of the wagon body 10. At this time, the left and right attachment fittings 35, 35 are inserted into the insertion holes 15, 15 of the left and right rear attachment holes 14, 14 in the wagon body 10, respectively. When inserted into each insertion hole 15, the left and right gap forming portions 35, 35 of each attachment fitting 31 are respectively located at the rear end sides of the insertion hole 15, that is, at the opening edges of the locking hole 16 on both left and right sides. It will be facing each other.

On the other hand, when the top plate 20 is placed on the upper surface of the wagon body 10, the left and right mounting projections 23, 23 located on the front side of the top plate 20 are attached to the left and right mounting holes 18, 18 in the front lateral member 17. Fit in each. As a result, the top plate 20 is placed on the upper surface of the wagon body 10 so as to be slidable in the front and rear directions.

Then, when the top plate 20 is slid rearward with respect to the wagon body 10, the opening edges of the left and right locking holes 16 are aligned with the gap forming portions 35 of the left and right mounting members 31, 31. Each is pushed relatively. At this time, since the inclined surface portion 36 is formed on the pressing portion piece 33, the opening edge of the locking hole 16 is smoothly pushed into the gap forming portion 35. As a result, the rear lateral member 13 is clamped and held between the pressing pieces 33 of the mounting bracket 31 and the reinforcing ribs 22 of the top plate 20, so that the top plate 20 is temporarily attached to the wagon body 10. It will be stopped.

On the other hand, when the top plate 20 is slid rearward with respect to the wagon body 10, the attachment protrusions 23, 23 of the top plate 20 are inserted into the left and right attachment holes 18, 18 of the front lateral member 17. 23 slides backward respectively.

Next, the attachment fittings 31 are brought into contact with the left and right attachment holes 18, 18 and the lock holes 19 of the front lateral member 17 from the lower surface side and fastened by the screws 40, respectively. That is, the left and right protrusions 34, 34 of the mounting bracket 31 are inserted into the lock holes 19, 19 on both left and right sides of the mounting hole 18 from below. In this state, the screw insertion hole 32 of the mounting bracket 31 is aligned with the female screw 25 of the mounting projection 23 of the top plate 20, so the screw 40 is inserted into the insertion hole 32 and screwed into the female screw 25 of the top plate 20. Be done. At this time, since the female screw 25 is arranged in the vicinity of the outlet 12 of the wagon body 10, there is no hindrance to the fastening operation of the screw 40.

In this way, when the mounting bracket 31 is fastened to the front lateral member 17 with the screw 40 and the female screw 25, the space between each pressing piece 33 of the mounting bracket 31 and the reinforcing rib 22 of the top plate main body 21. Then, since the front lateral member 17 is clamped and held, the top plate 20 is fastened to the wagon body 10 with the screw 40.

Further, since the protrusion 34 of the mounting member 31 is fitted in the lock hole 19 of the lateral member 17, the top plate 20 is prevented from sliding on the wagon body 10. Is becoming Therefore, when the top plate 20 moves to the front side with respect to the wagon body 10, the mounting bracket 31 fastened to the rear side of the top plate 20 does not come off from the rear mounting hole 14.

It is needless to say that the present invention is not limited to the above-mentioned embodiment, and various modifications can be made without departing from the scope of the invention.

For example, although the rear mounting hole is formed so as to correspond to the top plate being moved rearward with respect to the main body, it may be formed so as to correspond to the front plate being moved frontward with respect to the main body. Alternatively, it may be formed so as to be moved back and forth.

In the above embodiment, the case where the present invention is applied to a wagon with a top plate has been described, but the present invention is not limited to this, and various steel furniture with a top plate such as various steel desks used in offices. Can be applied to.

[0035]

[Effect of the device]

 As described above, according to the present invention, the top plate can be assembled to the main body by a simple operation without requiring skill or trouble.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a wagon with a top plate according to an embodiment of the present invention.

FIG. 2 is a side sectional view, partly omitted, showing the mounting structure of the top plate.

FIG. 3 is a partially omitted bottom cross-sectional view thereof.

FIG. 4 is an enlarged exploded perspective view showing a mounting portion on the rear side.

FIG. 5 is an enlarged exploded perspective view showing a mounting portion on the front side.

[Explanation of symbols]

1 ... Wagon with top plate (steel furniture with top plate), 10 ...
Wagon body, 11 ... Caster, 12 ... Drawout port, 13 ...
Rear lateral member, 14 ... Rear mounting hole, 15 ... Insertion hole, 16 ...
Locking hole, 17 ... Front side member, 18 ... Mounting hole, 19 ... Lock hole, 20 ... Top plate, 21 ... Top plate body, 22 ... Reinforcing rib,
23 ... Mounting projection, 24 ... Female screw member, 25 ... Female screw, 3
0 ... Mounting bracket, 31 ... Metal fitting body part, 32 ... Screw insertion hole, 33 ... Pressing part, 34 ... Projecting piece, 35 ... Gap forming part, 36 ... Inclined surface part, 37 ... Standing part, 38 ... Escape recess, 40 ... Screw (screw member).

Claims (1)

[Scope of utility model registration request] 1. A main body in which at least an upper surface and a front surface are opened, and transverse members are respectively installed at front and rear portions of the upper surface opening, a top plate which covers the upper surface opening of the main body, and a ceiling. In a steel furniture with a ceiling plate, which is provided with a mounting bracket for fixing the plate to the main body, a pair of rear side mounting holes are provided on the left and right sides of the rear lateral member, and both rear side mounting holes are provided. The hole is composed of a large-width insertion hole and a small-width locking hole arranged at one end of this insertion hole.In addition, a pair of front mounting holes are arranged on the left and right sides of the front lateral member. The lock holes are formed on both left and right sides of both front side mounting holes, and further, female screws are formed on the front and rear portions of the lower surface of the top plate.
A pair of right and left, two sets each are arranged at the front and rear, and the mounting metal fittings are formed in a flat plate shape smaller than the insertion hole, and project at right angles to both left and right end portions of the main body part. A pair of pressing pieces, and a pair of projecting pieces projecting from one end of each pressing piece,
At least four of the same structure are provided with an insertion hole opened in the center of the main body part, and two of these mounting brackets are attached to the left and right female screws at the rear of the top plate, and One side of the top plate is placed so that a gap is formed between the lower surface of the top plate and the pressing piece, and the screw member inserted into the insertion hole is screwed and fixed. And the body part of the mounting bracket is inserted into the insertion hole, and the top plate is slid to one side, and the pressing part of the mounting bracket is locked to the edge of the locking hole. In addition, two of the mounting brackets are attached to the left and right female screws in the front portion of the top plate, and the screw members inserted into the insertion holes are screwed into the female screws with the protruding pieces inserted into the lock holes. Stee with a top plate characterized by being fixed respectively Furniture.