JP4034445B2 - Rear plate mounting device for desk - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a rear plate mounting device in a desk for mounting the rear plate to the support leg in a desk in which a rear plate is mounted between the rear portions of left and right support legs that support the top plate. The present invention relates to a rear plate mounting device in a desk that can cope with a change in the mounting angle of a rear plate with respect to a leg.
[0002]
[Prior art]
Conventionally, for example, as shown in FIGS. 9 and 10, the top plate 01, the left and right support legs 02 that support the top plate 01, the support legs 03 provided between the left and right support legs 02, 02, and these support legs Of the support legs 02 and 03 disposed below the corner portion C having a corner angle of 90 degrees in a desk composed of the rear plate 04 provided so as to extend along the side portion of the top plate 01 between 02 and 03, respectively. When the left and right side end portions of the rear plate 04 are attached to the rear portion as shown in FIG. 10, for example, the end surface 04a of the rear plate 04 is processed into an inclined surface in advance and brought into contact with the side surface 03a of the support leg 03. At the same time, they are connected by screwing screws 06 into the upper end surfaces of the support leg 03 and the rear plate 04 via the mounting bracket 05 formed in a substantially triangular shape in plan view corresponding to the corner angle.
[0003]
[Problems to be solved by the invention]
However, when connecting the end surface 04a of the rear plate 04 in contact with the side surface 03a of the support leg 03 as described above, for example, during assembly, the screws for the upper ends of the support legs 02 and 03 and the rear plate 04 are provided. When a subtle error occurs in the screwing position 06, there is a problem that a gap is generated between the end face 04a and the side face 03a, and the appearance from the outside is deteriorated.
[0004]
Further, when changing the mounting angle of the rear plate 04 with respect to the support legs 02 and 03 corresponding to various top plates 01 having corner portions C having a corner angle of 120 degrees and 180 degrees, the end surface 04a has various inclination angles. Therefore, it is necessary to prepare a plurality of rear plates 04 that have been cut into different shapes and to prepare mounting brackets 05 having various shapes corresponding to the angles, which increases the number of parts and increases the manufacturing cost, and also processes the end surface 04a. If the accuracy is low, there is a problem that a gap is likely to be generated between the end face 04a and the side face 03a.
[0005]
The present invention has been made paying attention to such a problem, and even if the mounting angle of the rear plate to the support leg is changed, the rear plate is attached to the desk that can be mounted on the support leg with a good appearance. An object is to provide an apparatus.
[0006]
[Means for Solving the Problems]
In order to solve the above problems, the rear plate mounting device in the desk of the present invention,
A rear plate mounting device in a desk for mounting a rear plate disposed between rear portions of left and right support legs supporting the top plate to the support legs,
On at least one of the left and right side surfaces of the support leg, a concave portion that opens outwardly extends in the up-down direction,
The rear plate attaching device comprises a support attached to the rear plate and a receiver capable of changing a fixing angle with respect to the support, and the support is attached to the fixed position in the recess. An angle of attachment of the rear plate to the leg is determined,
A state in which the rear surface side of at least the front end edge of the rear plate is located in the recess even if the fixing angle of the receiver with respect to the support is changed and the mounting angle of the rear plate with respect to the support leg is set to another mounting angle. It is characterized by that.
According to this feature, the rear plate is fixed to the support leg at a predetermined mounting angle, and even if the mounting angle is changed, the rear side of the front edge of the rear plate is always located in the recess. Thus, it is not exposed outside the recess and is difficult to see from the outside, so that the appearance is not impaired.
[0007]
In the rear plate mounting device in the desk of the present invention, one of the support member and the receiving member is provided with an outward first vertical surface along an arc surface centering on a predetermined position in the recess. and the other second vertical surface capable of contacting is provided in the first vertical plane, these first vertical plane and one of said second vertical plane, a plurality of engaging recesses or engaging projections parts are provided in the horizontal direction, it is preferable that the engaging protrusion or the engaging recess can engage selectively fitted in said plurality of engaging recesses or engaging protrusions is provided on the other.
In this way, if selectively engage the engagement protrusion with respect to the engaging recess is brought into contact with the first vertical surface and a second vertical surface at any relative position, the rear plate to the support leg On the other hand, it can be securely fixed at a predetermined mounting angle.
[0008]
In the rear plate mounting device in the desk of the present invention, it is preferable that the opening of the recess is closed by a cover member that is detachable with respect to the recess.
In this way, if the recesses are formed in advance on the left and right side surfaces of all the support legs, the rear plate can be attached to the left and right sides of the support legs, and the opening of the recesses that do not require attachment of the rear plate. If the cover is closed by the cover body, the concave portion is not exposed and the appearance is not impaired, so that various mounting forms can be accommodated without increasing the number of parts.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. First, FIG. 1 shows a rear panel mounting apparatus 1 as an embodiment of the present invention, 2 is a rear panel, and 3 is a desk top panel. The aggregate which closes the end surface of the panel 7 which forms the recessed part 5 opened in the left-right direction in the rear part of the supporting leg 4 to support, and comprises the side surface of the supporting leg 4 is shown.
[0010]
The rear plate mounting device 1 is composed of a support fitting 8 fixed so as to partially enter a recess 2 a formed in the rear plate 2, and a receiving fitting 9 fixed in the recess 5 of the aggregate 3. Is done. As shown in FIGS. 1 and 2 (a), the support metal fitting 8 has upper and lower attachment pieces 10 each having a screw 11 insertion hole 11 for attaching the support metal fitting 8 to the front surface 2b of the rear plate 2. 10 'is connected to these upper and lower mounting pieces 10, 10', and the front surface 12a is formed along an arc of radius R2 centered on point P as shown in FIG. 2 (b). It comprises a curved contact piece 12.
[0011]
As shown in FIG. 2B, a substantially central portion in the up-down direction of the front surface 12a of the contact piece 12 is projected forward, and the projecting front surface 12b is engaged with a receiving metal 9 described later. A plurality of engagement grooves 13a to 13c that can selectively engage the combined pieces are formed. Reference numeral 15 denotes a hole portion into which the front end portion of the bolt 14 for attaching the receiving metal fitting 9 can be screwed. Reference numeral 16 denotes a rotation around the longitudinal axis of the supporting metal fitting 8 when the supporting metal fitting 8 is attached to the rear plate 2. It is a support piece that regulates.
[0012]
As shown in FIGS. 3A and 3B, the metal fitting 9 has a vertical length equivalent to that of the contact piece 12, and an inner surface 17a has a curvature equivalent to that of the front surface 12a of the support metal 8 ( Radius R2 = R4) It consists of a receiving piece 17 formed in a curved surface shape. A horizontally long slot 21 into which the bolt 14 can be inserted is formed at the upper and lower portions of the receiving piece 17 and has a curvature equivalent to that of the front surface 12b of the support fitting 8 at a substantially central position in the vertical direction (radius R1 = R3) A curved inner surface 17b is formed, and an engagement piece 18 that can selectively engage with the engagement grooves 13a to 13c is projected inward at a predetermined position on the inner surface 17b. Yes.
[0013]
Further, a hook portion 20 that can be locked from above is formed at a side end portion of the receiving piece 17 in a locking hole 19 (see FIGS. 1 and 6) formed at a predetermined position on the inner surface of the concave portion 5 of the aggregate 3. The support fitting 9 can be easily locked in the recess 5.
[0014]
Next, a method of attaching the rear plate 2 to the support leg 4 using the rear plate attachment device 1 in this embodiment will be described with reference to the drawings. For example, the attachment angle with respect to the support leg 4 is 90 degrees (θ = 90 degrees). As shown in FIG. 1, first, the support fitting 8 is fixed to the front surface 2b of the rear plate 2 with screws 6 as shown in FIG. Then, as shown in FIG. 4, the metal fitting 9 is mounted on the contact piece 12 of the fixed support metal fitting 8 from the front so that the engagement piece 18 is engaged in the engagement groove 13 a. Simultaneously with the engagement, a part of the front surface 12a of the contact piece 12 and a part of the inner surface 17a of the receiving piece 17, and a part of the front surface 12b and a part of the inner surface 17b are brought into contact with each other.
[0015]
In this state, the bolt 14 is inserted into the elongated hole 21 of the receiving piece 17 and the tip portion is screwed into the hole 15 of the supporting bracket 8, so that the receiving bracket 9 is fixed to the supporting bracket 8 at a predetermined angle. Is done. Next, the rear plate 2 can be attached to the support leg 4 at a predetermined attachment angle by inserting the hook portion 20 into the locking hole 19 in the recess 5 and locking it as shown in FIG. Yes (see FIGS. 5 and 6).
[0016]
Further, when changing the mounting angle of the rear plate 2 with respect to the support leg 4, the bolt 14 is kept while a part of the bolt 14 is screwed into the hole 15 without departing from the hole 15. In this state, the bracket 9 is moved as indicated by a two-dot chain line in FIG. 4, and the engagement piece 18 is engaged with the engagement groove 13b or 13c. At this time, since the bracket 9 is supported by the bolt 14 through the elongated hole 21 in the horizontal direction, the engagement position can be easily changed.
[0017]
Then, as shown in FIGS. 7 and 8, the support bracket 9 is fixed to the support bracket 8 at a desired mounting angle, and the hook portion 20 is locked to the locking hole 19, so that The face plate 2 can be attached at a predetermined angle (θ = 45 degrees, 30 degrees). Further, as shown in FIG. 8, the recess 5 is exposed to the outside by fitting a cover member 22 having a substantially U-shaped cross section into the recess 5 on the side where the rear plate 2 is not required to be attached. The appearance is improved.
[0018]
Further, in the rear plate mounting apparatus 1 configured in this way, as shown in FIGS. 3A and 3B, the center of the arc that forms the curved surfaces of the inner surface 17a and the inner surface 17b of the receiving piece 17 is shown. As shown in FIGS. 5, 7, and 8, the point P is formed so as to be positioned in the vicinity of the front end portion of the side plate 5 a constituting the side surface of the recess 5 in a state in which the metal fitting 9 is attached in the recess 5. If the front surface 12a and the front surface 12b of the contact piece 12 formed on the same curvature surface as the inner surface 17a and the inner surface 17b are brought into contact with each other, the rear surface side of the front edge of the rear plate 2 is point P in the recess 5. It is located in the vicinity. That is, the rear side of the front edge of the rear plate 2 is located in the recess 5, never being exposed to the outside.
[0019]
Even if the contact position is shifted in the horizontal direction and the mounting angle of the rear plate 2 with respect to the support leg 4 is changed, the direction of the rear plate 2 is always rotated around the point P and does not move. The rear surface side of the front end edge of the face plate 2 is not exposed outside the recess 5 due to the angle change, and is located in the recess 5, so that the appearance is not impaired.
[0020]
Although the embodiments of the present invention have been described with reference to the drawings, the specific configuration is not limited to these embodiments, and modifications and additions within the scope of the present invention are included in the present invention. It is.
[0021]
【The invention's effect】
The present invention has the following effects.
[0022]
(A) According to the invention of claim 1, a state in which the rear plate is fixed to the support leg at a predetermined mounting angle, and even if the mounting angle is changed, the rear surface of the front edge of the rear plate Since the side is always located in the recess and is not exposed outside the recess and is difficult to see from the outside, the appearance is not impaired.
[0023]
(B) According to the invention of claim 2, wherein, if selectively engage the engagement protrusion with respect to the engaging recess is brought into contact with the first vertical surface and a second vertical surface at any relative position The rear plate can be securely fixed to the support leg at a predetermined mounting angle.
[0024]
(C) According to the invention of claim 3, if the concave portions are formed in advance on both the left and right side surfaces of all the support legs, the rear plate can be attached to the left and right sides of the support legs, and the rear plate is attached. If the opening of the recessed portion that does not need to be closed is covered with the cover body, the recessed portion is not exposed and the appearance is not impaired.
[0025]
[Brief description of the drawings]
FIG. 1 is a perspective view showing a mounting state of a rear plate mounting apparatus as a first embodiment of the present invention.
2A is a front view showing a support fitting, and FIG. 2B is a cross-sectional view taken along the line AA in FIG.
FIG. 3A is a front view showing a metal fitting, and FIG. 3B is a cross-sectional view taken along line BB in FIG.
FIG. 4 is a cross-sectional view showing an engaged state between a support metal fitting and a receiving metal fitting.
FIG. 5 is a cross-sectional view showing a mounting state of the support leg and the rear plate.
6 is a cross-sectional view taken along the line CC of FIG.
FIG. 7 is a cross-sectional view showing a mounting state of the support leg and the rear plate.
FIG. 8 is a cross-sectional view showing a mounting state of the support leg and the rear plate.
FIG. 9 is a perspective view showing a desk to which a conventional method of attaching a support leg and a rear plate is applied.
10 is a cross-sectional view of the main part of FIG. 9;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Rear surface plate attachment apparatus 2 Rear surface plate 2a Recessed part 2b Front surface 3 Aggregate 4 Support leg 5 Recessed part 5a Side plate 6 Screw 7 Panel 8 Support metal fitting 9 Support metal fitting 10, 10 'Mounting piece 11 Hole 12 Contact piece 12a, 12b Front surface 13a -13c engagement groove 14 bolt 15 hole 16 support piece 17 receiving piece 17a, 17b inner surface 18 engagement piece 19 locking hole 20 hook part 21 oblong hole 22 cover member

Claims (3)

A rear plate mounting device in a desk for mounting a rear plate disposed between rear portions of left and right support legs supporting the top plate to the support legs,
On at least one of the left and right side surfaces of the support leg, a concave portion that opens outwardly extends in the up-down direction,
The rear plate attaching device comprises a support attached to the rear plate and a receiver capable of changing a fixing angle with respect to the support, and the support is attached to the fixed position in the recess. An angle of attachment of the rear plate to the leg is determined,
A state in which the rear surface side of at least the front end edge of the rear plate is located in the recess even if the fixing angle of the receiver with respect to the support is changed and the mounting angle of the rear plate with respect to the support leg is set to another mounting angle. rear plate mounting apparatus in a desk, characterized in that in the. Wherein with support and one first vertical surface outward along the arcuate surface centered on the recess within a predetermined location in one of the receiving fixture is provided, the other on the first vertical plane equivalent contact possible second vertical surface is provided, these said one of the first of the vertical plane and the second vertical plane, or engaging protrusions plurality of engaging recesses are provided in the horizontal direction, on the other said plurality of rear plate mounting apparatus in desk according to claim 1, engaging protrusions or engagement recess may engage selectively fitted is provided in the engagement recess or engagement protrusions.   The rear plate mounting device for a desk according to claim 1 or 2, wherein the opening of the recess is closed by a cover member that is detachable with respect to the recess.

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