JP2006307579A - Working table - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable a working table to be compactly folded by reducing a space between a supporting leg and a rear surface of a base plate as small as possible in a folding posture of the working table. <P>SOLUTION: A retreated face 2e retreated inwardly of an intersecting point Z of an extended line Y of an outer side face 2d and an extended line X of a rear face 2c is formed between the outer side face 2d and the rear face 2c of respective end parts 2a in a longitudinal direction of the base plate 2, and a bosom part 37 which can be disposed by approaching a pivoting axis 31 to the extended line X of the rear face 2c of the base plate 2 is provided. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a workbench capable of folding support legs.

Conventionally, as this type of work table, a support plate is provided that forms a base plate by providing a terminal member (end shape) at each longitudinal end of the top plate, and supports each longitudinal end of this base plate. A bracket (mounting plate) provided on each side surface of each end in the width direction of the base plate and a connecting plate provided on the upper portion of the support leg by a pivot shaft to connect each support leg to the back surface of the base plate. Some are foldable on the side.
In this work table, the pivot shaft is disposed so as to be spaced downward from the back surface of the base plate, and the support leg and the back surface of the base plate are separated from each other in the folded posture in which the support leg is folded. (For example, refer to Patent Document 1).
Japanese Patent No. 3030253

In the conventional work table, since the support leg and the back surface of the base plate are separated from each other in the folded posture, the vertical width is increased.
The present invention has been made in view of the above circumstances, and by disposing the pivot shaft in the pocket provided on the end portion side of the base plate, the interval between the support leg and the back surface of the base plate in the folded posture is set. An object of the present invention is to provide a workbench that can be made as small as possible and can be folded compactly.

In order to achieve the above object, the present invention takes the following technical means.
1stly, it has the base plate 2 which provides the termination | terminus member 5 in each edge part 4a of the longitudinal direction of the top plate 4, and the support leg 3 which supports this base plate 2, The longitudinal direction each end of the said base plate 2 The bracket 29 provided on the side surface of the portion 2a and the connecting plate 30 provided on the upper portion of the support leg 3 are connected by a pivot shaft 31 so that the support legs 3 can be folded to the back surface 2c side of the base plate 2. Between the outer surface 2d and the back surface 2c of each end 2a in the longitudinal direction of the base plate 2, a receding surface 2e that recedes inward from the intersection Z of the extension line Y of the outer surface 2d and the extension line X of the back surface 2c. And a pivot portion 37 is provided which allows the pivot shaft 31 to be disposed close to the extension line X of the back surface 2c of the base plate 2.

According to this, by forming the receding surface 2e on the longitudinal end portion 2a side of the front base plate 2, a pocket portion 37 is formed, whereby the pivot shaft 31 is extended to the extension line X of the back surface 2c of the base plate 2. Can be placed close to each other. Therefore, the space | interval of the support leg 3 in the folding attitude | position and the back surface 2c of the baseplate 2 becomes as small as possible, and a worktable can be folded compactly.
Second, the pivot shaft 31 is placed substantially at the same position as the extension line X of the back surface 2c of the base plate 2 or at a position higher than the extension line X.
According to this, the support shaft 3 is placed on the side of the base plate 2 more by placing the pivot shaft 31 almost at the same position as the extension line X of the back surface 2c of the base plate 2 or at a position higher than the extension line X. The distance between the support leg 3 and the back surface 2c of the base plate 2 in the folding posture becomes as small as possible, and the work table can be folded compactly.

Thirdly, the base plate 2 is provided with locking means 39 for locking and releasing in each of the work posture in which the support leg 3 is erected and the folding posture in which the support leg 3 is folded along the back surface 2c side of the base plate 2. The lock means 39 is supported in the terminal member 5 of the base plate 2 so as to be movable in the width direction, and can be inserted into and removed from a lock hole 50 formed in the connecting plate 30, and operates the lock pin 40. And an opening 15 is formed on the outer surface 2d of the base plate 2 to project the knob 41 outward.
According to this, the operator can easily operate the knob 41 and can be easily locked / released by the lock means 39.

  According to the present invention, the support leg in the folded posture and the back surface of the base plate are formed by forming a receding surface on the longitudinal end side of the base plate and disposing the pivot shaft at the pocket of the end portion of the base plate. Can be made as small as possible, and the work table can be folded compactly.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
4 to 6, the work table 1 includes a rectangular base plate 2 and support legs 3 that support the end portions 2 a in the longitudinal direction of the base plate 2. The work table 1 can be changed in posture between a work posture in which the support leg 3 is erected and a folding posture (the posture shown by a two-dot chain line in FIG. 4) along which the support leg 3 is along the back surface 2 c of the base plate 2.
The base plate 2 is formed by arranging two rectangular top plates 4 side by side and providing a terminal member (end cover) 5 at each longitudinal end 4 a of the top plate 4. For the top plate 4, for example, a C-shaped aluminum extruded profile is used. The top plate 4 protrudes inward in the width direction of the top plate 4 from the upper wall portion 6, the side wall portion 7 projecting downward from the width direction end portion of the upper wall portion 6, and the projecting end portion of the side wall portion 7. And a lower wall portion 8. Note that the number of the top plates 4 is not limited to two, and may be one or a plurality of three or more.

For example, a C-shaped extruded aluminum member is used for the termination member 5. As shown in FIGS. 1, 2, and 7, the end member 5 is integrated with the side surface portion 9 constituting the outer surface 2 d that is the end surface of each longitudinal end portion 2 a of the base plate 2 and the top surface of the top plate 4. The upper surface portion 10 constituting the upper surface (front surface) 2b of the base plate 2 and the lower surface portion 11 constituting the rear surface 2c of the base plate 2 integrally with the lower surface of the top plate 4 are provided.
The side surface portion 9 has a vertical surface 13 constituting the outer surface 2d of each end portion 2a in the longitudinal direction of the base plate 2, and an inclined surface 14 inclined at a predetermined angle with respect to the vertical surface 13. The vertical surface 13 is formed on the upper side of the side surface portion 9, and the inclined surface 14 is formed on the lower side of the side surface portion 9.

As shown in FIGS. 5 to 7, two openings 15 are formed in the vertical surface 13, and each opening 15 is formed at a position closer to the center across the longitudinal center of the termination member 5. ing. Each opening 15 has a rectangular shape, and a rib 16 is formed on the back side of the upper edge of the opening 15 (inside the side wall 7).
As shown in FIGS. 6 and 7, the upper surface portion 10 is formed so as to protrude from the upper end of the side surface portion 9 so as to be substantially perpendicular to the vertical surface 13. The top surface 10 has an attachment portion 18 attached to each end 4a in the longitudinal direction of the top plate 4, and the top surface 2b of the base plate 2 together with the top surface of the top plate 4 when the terminal member 5 is attached to the top plate 4. A tread surface portion 19 forming a flush tread surface is formed. A step portion 20 is formed between the attachment portion 18 and the tread surface portion 19, and the attachment portion 18 is provided at a lower position with respect to the tread surface portion 19.

The stepped portion 20 is formed with a contact surface 21 with which each end portion 4a in the longitudinal direction of the top plate 4 contacts. The contact surface 21 is formed along the vertical direction so as to be substantially parallel to the vertical surface 13. A rib 22 is formed on the inner side of the upper surface portion 10 so as to protrude inward at a position corresponding to the step portion 20.
As shown in FIG. 7, the lower surface portion 11 is formed to protrude in the same direction as the upper surface portion 10 from the lower end of the side surface portion 9 (inclined surface 14). Inside the lower surface portion 11, an abutment surface 23 is formed on which the longitudinal end portions 4 a of the top plate 4 abut. The contact surface 23 is formed so as to be substantially parallel to the vertical surface 13 of the side surface portion 9 like the contact surface 21 of the upper surface portion 10.

As shown in FIG. 1, the end member 5 has end portions 4 a in the longitudinal direction of the top plate 4 such that the attachment portion 18 of the top surface portion 10 abuts the bottom surface (inner surface) of the top wall portion 6 of the top plate 4. The lower surface portion 11 is in contact with the lower surface of the lower wall portion 8 of the top plate 4. Each of the upper surface portion 10 and the lower surface portion 11 is formed with a plurality of through holes, and the terminal member 5 is integrally attached to the top plate 4 with fixing tools such as rivets, bolts and nuts through the through holes. It has been.
As shown in FIG. 5, each of the support legs 3 is configured by connecting a plurality of struts 26 spaced apart in the width direction of the top plate 4 with a plurality of step bars 27. The length of the column 26 can be changed as shown by a two-dot chain line in FIG. 5, whereby the work table 1 can be operated by changing the height of the base plate 2.

A bracket 29 to which the support leg 3 is attached is provided on the side surface of each end portion 2a in the longitudinal direction of the base plate 2, that is, the outer side surface in the width direction of the top plate 4 (the outer surface of the side wall portion 7). That is, a connecting plate 30 that is connected to the bracket 29 is provided on each side of the upper portion of the support leg 26. The bracket 29 and the connecting plate 30 are connected to each other via a pivot shaft 31, and the support leg 3 can be rotated around the pivot shaft 31 to be folded on the back surface 2 c side of the base plate 2.
As shown in FIG. 1, the bracket 29 is formed in a plate shape, and supports the mounting shaft 33 attached to the side surface in the width direction of each longitudinal end 2 a of the base plate 2 and the pivot shaft 31. A support portion 34 and an abutting portion 35 with which the connecting plate 30 abuts are provided.

The mounting portion 33 is fixed to the side surface of the end portion 2a (the outer surface of the side wall portion 7) of the base plate 2 via a fixing tool such as a rivet, whereby the bracket 29 covers the end portion of the end member 5 in the longitudinal direction. ing. The support portion 34 is provided at one end portion of the attachment portion 33 and is formed to protrude outward from each longitudinal end portion 2 a of the base plate 2.
The abutment portion 35 is formed above the support portion 34, and is bent at a substantially right angle with respect to the attachment portion 33. The contact portion 35 is in contact with the outer surface 2 d of each longitudinal end portion 2 a of the base plate 2, that is, the vertical surface 13 of the termination member 5. The upper portion of the connecting plate 30 provided on the support leg 3 comes into contact with the contact portion 35 in the working posture.

By providing the end member 5 at each longitudinal end 2a of the base plate 2, the end 2a is provided below the end 2a, that is, the longitudinal center of the base plate 2 (hereinafter referred to as the inner side). A receding surface 2e that recedes is formed. The receding surface 2e corresponds to the inclined surface 14 of the termination member 5, and is formed between the outer surface 2d and the rear surface 2c of each end 2a in the longitudinal direction of the base plate 2.
The receding surface 2e includes the extension line X drawn from the back surface 2c of the base plate 2 and the outer side surface 2d of each end 2a in the longitudinal direction of the base plate 2 (surface corresponding to the vertical surface 13 of the termination member 5). Are formed so as to recede inward from the intersection Z of the extension line Y drawn in the vertical direction.

As shown in FIG. 1, the support portion 34 of the bracket 29 protrudes from the receding surface 2 e toward the support leg 3. The support 34 protrudes outward from the outer surface 2d of the base plate 2 and protrudes downward from the back surface 2c of the base plate 2. The support portion 34 is provided with the pivot shaft 31 at the protruding portion. I support it.
Between each end 2a in the longitudinal direction of the base plate 2 and the support leg 3, the pivot shaft 31 is arranged close to an extension line X drawn from the back surface 2c of the base plate 2 in the longitudinal direction of the base plate 2. A pocket portion 37 is formed for this purpose.

By forming the receding surface 2e on the base plate 2, the pocket portion 37 can be secured as widely as possible. That is, as shown in FIG. 1, the receding surface 2e covers a range defined by the receding surface 2e, the extension line X, and the extension line Y, whereby the end portions of the support leg 3 and the base plate 2 are covered. The pocket part 37 which is a gap between 2a can be enlarged, and the pivot shaft 31 can be arranged between them.
Further, by forming the pocket portion 37, the pivot shaft 31 can be disposed close to the extension line X. More specifically, the pivot shaft 31 can be placed almost at the same position as the extension line X of the back surface 2 c of the base plate 2 or at a position higher than the extension line X.

Further, as described above, the support portion 34 protrudes outward from the outer side surface 2d of the base plate 2 and protrudes downward from the rear surface 2c of the base plate 2 to thereby form the pivot shaft 31 as an extension line X. Sufficient size and strength to support at a position close to.
Thus, by arranging the pivot shaft 31 close to the extension line X, the pivot shaft 31 and the base plate 2 can be overlapped vertically. This prevents the base plate 2 and the pivot shaft 31 from being separated in the vertical direction. Therefore, when the work table 1 is in the folded position, the distance between the support leg 3 and the back surface 2c of the base plate 2 is made as much as possible. The support leg 3 and the back surface 2c of the base plate 2 can be brought into close contact with each other, and the work table 1 can be folded compactly.

As shown in FIGS. 2 and 6, the base plate 2 is provided with a lock means 39 that locks / releases the support leg 3 in each of the working posture and the folding posture.
The lock means 39 has a rod-like lock pin 40 and a knob 41 for operating the lock pin 40. The lock pin 40 is supported by a support member 42 provided in the termination member 5. A U-shaped plate material is used for the support member 42, and the support member 42 has an attachment portion 43 attached to the terminal member 5 and a pair of support portions 44 that support the lock pin 40. The mounting portion 43 is fixed to the side surface portion 9 of the terminal member 5 by a fixing tool such as a rivet.

Each of the support portions 44 has an insertion hole through which the lock pin 40 is inserted, and the support member 42 inserts the lock pin 40 into the insertion holes of both support portions 44 so that the lock pin 40 is inserted into the base plate. 2 is supported so as to be movable in the width direction.
An E-type retaining ring 46 is provided in the middle of the lock pin 40, and a coil spring 47 is provided between the E-type retaining ring 46 and one of the support portions 44. The lock pin 40 is urged by the coil spring 47 in the direction from the center in the width direction of the base plate 2 toward the end in the width direction.

As shown in FIGS. 2 and 3, the bracket 29 of the base plate 2 is formed with a through hole 49 for projecting the lock pin 40 outward, and the lock pin 40 is inserted into the through hole 49. ing. On the other hand, a lock hole 50 through which the lock pin 40 is inserted and removed is formed in the connecting plate 30 of the support leg 3. The lock hole 50 includes a first lock hole 50a through which the lock pin 40 is inserted in the working posture and a second lock hole 50b through which the lock pin 40 is inserted in the folded posture.
The knob 41 is L-shaped in plan view, and has a projecting end 41 a that projects so as to intersect the lock pin 40 at a substantially right angle. The protruding end portion 41 a protrudes outward through the opening 15 of the termination member 5. Thus, by projecting the protruding end 41a of the knob 41 outward from the opening 15, the operator can easily see the knob 41 and can be easily operated.

When the through hole 49 of the bracket 29 and the lock hole 50 coincide with each other, the lock means 39 automatically inserts the lock pin 40 into the lock hole 50 to lock the support leg 3.
When the knob 41 is pulled toward the center in the width direction of the base plate 2 so as to resist the urging force of the coil spring 47 from this locked state, the lock pin 40 is pulled out of the lock hole 50 of the connecting plate 30 and the lock is released. The work table 1 can change the posture of the support leg 3.
The present invention is not limited to the above embodiment, and various modifications and changes can be made.

In the above embodiment, the inclined surface 14 is formed below the side surface portion 9 of the termination member 5, and the inclined surface 14 is the receding surface 2 e below the longitudinal end 2 a of the base plate 2. In addition to the inclined surface 14, for example, as shown in FIG. 8, an arcuate wall portion 51 is formed between the vertical surface 13 and the lower surface portion 11 of the termination member 5 so as to protrude inside the termination member 5. Then, a concave portion 52 that is recessed inward is formed in the lower portion (between the vertical surface 13 and the lower surface portion 11) of the side surface portion 9 of the termination member 5, and the outer surface of the wall portion 51 is used as the receding surface 2 e of the base plate 2. The pocket portion 37 may be formed.
Further, as shown in FIG. 9, a lateral wall 43 that recedes upward from an extension line X of the back surface 2 c of the base plate 2 between the vertical surface 13 and the bottom surface portion 11 of the termination member 5, and an outer surface of the base plate 2. A vertical wall 54 that recedes from the 2d extension line Y toward the longitudinal center of the base plate 2 is formed, and a recess (soaking portion) 52 that is recessed inwardly is formed in the terminal member 5 to form the pocket portion 37. can do.

  The receding surface 2e is not limited to the above-described form, and may be any shape as long as it forms a dull portion recessed inwardly in the lower portion of the side surface portion 9 of the terminal member 5.

  INDUSTRIAL APPLICABILITY The present invention can be used for a work posture in which a support leg is erected and a work table that is folded along the back side of the base plate.

It is a principal part enlarged front view of the work bench | platform which concerns on embodiment of this invention. It is the same side view. It is a fragmentary sectional view of a work table. It is a front view of a work table. It is a side view of a work table. It is a top view of a base plate. It is a section perspective view of a termination member. It is a cross-sectional perspective view which shows the modification of a termination | terminus member. It is a cross-sectional perspective view which shows the other modification of a termination | terminus member.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Worktable 2 Base plate 2a End part 2c Back surface 2d Outer side surface 2e Retraction surface 3 Support leg 4 Top plate 5 Termination member 15 Opening part 29 Bracket 30 Connection board 31 Pivot shaft 34 Support part 37 Pocket part 39 Lock means 40 Lock pin 41 Knob 50 Lock hole X Extension line on the back of the base plate Y Extension line on the outer side of the base plate

Claims (3)

A base plate (2) provided with a termination member (5) at each longitudinal end (4a) of the top plate (4), and a support leg (3) for supporting the base plate (2), A bracket (29) provided on the side surface of each end (2a) in the longitudinal direction of the base plate (2) and a connecting plate (30) provided on the upper portion of the support leg (3) are connected by a pivot shaft (31). The support legs (3) can be folded to the back surface (2c) side of the base plate (2),
An extension line (Y) of the outer surface (2d) and an extension of the rear surface (2c) between the outer surface (2d) and the rear surface (2c) of each end (2a) in the longitudinal direction of the base plate (2). A receding surface (2e) that recedes inward from the intersection (Z) of the line (X) is formed, and the pivot shaft (31) is an extension line (X) of the back surface (2c) of the base plate (2). A workbench provided with a pocket (37) that can be placed close to.   The pivot shaft (31) is placed almost at the same position as the extension line (X) of the back surface (2c) of the base plate (2) or at a position higher than the extension line (X). The workbench according to claim 1.   Locking means (39) for locking / releasing in each of the working posture in which the support leg (3) is erected and the folding posture in which the support leg (3) is folded along the back surface (2c) side of the base plate (2). 2), the lock means (39) is supported in the terminal member (5) of the base plate (2) so as to be movable in the width direction, and is formed in the connecting plate (30). ) And a knob (41) for operating the lock pin (40), and the knob (41) on the outer surface (2d) of the base plate (2). The work table according to claim 1 or 2, wherein an opening (15) is formed to project outward.

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