JP4694972B2 - Panel connection structure - Google Patents

Description

  The present invention relates to a panel connection structure that connects panels in, for example, a low partition that partitions an office work space.

  In recent years, as a structure that connects the lower parts of a plurality of panels in a low partition, etc., that divides office work space, the side end surfaces of the frame bodies of the panels facing each other are connected and connected by connecting members such as screws and metal fittings. (For example, refer to Patent Document 1 and Patent Document 2). Moreover, the thing of the structure of fitting and fixing a connection member so that it may straddle between the leg members of the panel which mutually opposes is also known (for example, refer patent document 3).

Japanese Utility Model Publication No. 05-3412 (FIG. 1) JP 2000-160734 A (FIGS. 5 and 7) Japanese Patent Laying-Open No. 2005-139819 (FIGS. 6 and 7)

  However, in what is described in Patent Documents 1 and 2, when tightening the connecting member, the work must be performed by removing the surface material of the panel, resulting in poor workability. Moreover, in the thing described in the said patent document 3, there exists a problem that a connection structure is complicated, there are many number of parts and assembly man-hours, an assembly takes time, and cost becomes high.

  In view of the above-described problems of the prior art, the present invention can connect and remove panels with an easy operation, has a simple structure, and further reduces cost and improves appearance. It is an object of the present invention to provide a panel connection structure that can be used.

According to the present invention, the above problem is solved as follows.
(1) In a panel connection structure in which the side end surfaces of a pair of left and right panels are brought into contact with each other and connected with a connecting member, the side end surfaces facing each other of both panels are recessed toward the inside of each panel. Provided with a groove facing in the vertical direction, and provided with fitting holes facing each other on the groove bottom wall of both grooves, at the upper and lower edges of the both fitting holes at the left and right ends of the base of the connecting member The urging means that locks the provided upward or downward hook part and is engaged with the lower edge or upper edge of one of the left and right fitting holes, and the hook part of the connecting member is fitted to both sides. It is urged in the direction of locking with the upper edge or lower edge of the hole.

(2) In the above item (1), the side surface of the base portion of the connecting member is brought into contact with the groove bottom wall of the concave groove in the panel whose biasing means is locked in the fitting hole.

(3) In the above item (1) or (2), the urging means is engaged with the lower edge or the upper edge of one of the right and left fitting holes at one end and fixed to the connecting member. The leaf spring is formed with a locking portion.

(4) In the above item (3), the one end of the leaf spring is fastened to one of the left and right hook portions of the connecting member, and the angle bent step portion is a locking portion provided at the middle portion of the leaf spring. Is engaged with the lower edge or upper edge of the fitting hole.

(5) In the above item (3) or (4), a part of the leaf spring is caused to penetrate the base portion of the connecting member in the left-right direction, and the other end portion of the leaf spring is extended to the other side of the base portion. Let it come out.

(6) In any one of the above items (3) to (5), a notch for operating the other end of the leaf spring is formed on the side of the base of the connecting member where one end of the leaf spring is not fixed. Is provided.

(7) In any one of the above items (1) to (6), a step is provided on either side of the groove on the front or back side of the groove in which the biasing means is locked in the fitting hole. Thus, the lower end of the overhanging portion protruding in the front-rear direction from the base portion of the connecting member is supported.

(8) In the panel connection structure in which the side end surfaces of the pair of left and right panels are brought into contact with each other and connected with a connecting member, the side end surfaces facing each other of both panels are recessed toward the inside of each panel. A concave groove facing in the up-down direction is provided, and a fitting hole facing each other is provided in the groove bottom wall of both concave grooves, and the upper edge provided on the left and right ends of the base of the connecting member at the upper edge of both the fitting holes The lower end of the overhanging portion that protrudes in the front-rear direction from the base portion of the connecting member by the step portion is provided on either one of the front and rear sides of the groove in one of the panels. To accept and receive.

(9) In the above item (7) or (8), a notch is provided in the front and rear side surfaces of the groove and the side end surface of the panel connected to the groove, and the side edges of the notches provided in the front and rear side surfaces of the groove are provided. Forming a stepped portion projecting toward the opening of the concave groove, and by both stepped portions, the lower end or the upper end of the pair of projecting portions projecting in the front-rear direction from the base portion of the connecting member is supported, The overhanging part can be taken in and out through both the notches.

(10) In the above item (9), a hanging piece is provided at the front end portion of the front and rear projecting portions, and this hanging piece is engaged with the front surface of the front step portion and the rear surface of the rear step portion.

(11) In the above item (7) or (8), the stepped portion is provided so as to protrude inward from either of the front and rear sides of the groove.

(12) In any one of the above items (1) to (11), the upper ends of the left and right panels are connected to each other by a connecting means for preventing their relative vertical movement.

According to the present invention, the following effects can be achieved.
According to the invention of claim 1, the left and right hook portions of the connecting member are locked between the fitting holes provided in the recessed grooves on the side end surfaces facing each other of both panels, and with the biasing means, Since the connecting member is urged in the direction of locking to the edge of the fitting hole, the panel can be connected and detached with easy operation, the structure is simple, and the cost is reduced. Moreover, since the connecting member can be accommodated in the groove, it is possible to improve the appearance without exposing it to the outside.

  According to the invention described in claim 2, since the side surface of the base portion of the connecting member is brought into contact with the groove bottom wall of the groove in the panel whose urging means is locked in the fitting hole, the connecting member is When the hook portion is pressed by the urging means in the direction in which the hook portion is locked to the edge of the fitting hole, the connecting member is guided along the groove bottom wall of the concave groove, and the posture of the connecting member is maintained. When the fitting hole of the other panel is locked to the other hook portion of the connecting member, the operation can be smoothly performed.

  According to the invention described in claim 3, the biasing means is formed with a locking portion that is fixed to the connecting member at one end and engages with the lower edge or the upper edge of either the left or right fitting hole at the intermediate portion. Since the plate spring is provided, the structure can be simplified and the connecting member can be efficiently urged.

  According to the invention of claim 4, the one end portion of the leaf spring is fixed to the left or right hook portion of the connecting member, and the angled bent step portion which is a locking portion provided in the middle portion of the leaf spring is provided. Since the engaging hole is engaged with the lower edge or the upper edge of the fitting hole, the structure of the connecting portion between the biasing means and the connecting member, and the structure of the engaging portion between the biasing means and the edge of the fitting hole is simplified. It can be manufactured at low cost, and it not only urges the connecting member in the direction in which the hook portion engages with the edge of the fitting hole, but also acts to prevent the connecting member from coming off from the fitting hole. Can be made.

  According to the fifth aspect of the present invention, a part of the leaf spring is passed through the base portion of the connecting member, and the other end portion is extended to the other side of the base portion. By rotating the portion upward or downward against the urging force of the leaf spring, the intermediate portion of the leaf spring that engages with the lower edge or the upper edge of the fitting hole is changed to the lower edge of the fitting hole. Or it can be made to detach | leave from an upper edge and the removal of a connection member can be performed easily.

  According to the sixth aspect of the present invention, since the notch is provided in the side portion where the one end of the leaf spring at the base portion of the connecting member is not fixed, the upward or downward of the other end portion of the leaf spring is provided. Rotating operation can be performed easily.

  According to the seventh aspect of the present invention, the protruding portion of the base portion of the connecting member is received by the step portion provided on either the front or rear side of the groove in the panel on which the biasing means is locked in the fitting hole. Since it is made to support, a connection member can be stably supported to the one panel side, and positioning becomes easy.

  According to the eighth aspect of the present invention, the connecting member can be stably supported on one panel side by supporting the projecting portion of the connecting member on the stepped portion, thereby omitting the biasing means. Can be implemented.

  According to the ninth aspect of the present invention, the step portion can be formed without forming a projection on the surface of the panel, and either the front or rear side surface of the groove in the panel, and the side end surface of the panel connected to the side surface. Since the notch is provided in the base member, the protruding portion of the base portion of the connecting member can be easily put in and out.

  According to the invention of claim 10, the hanging piece provided at the front end portion of the front and rear projecting portions is engaged with the front surface of the front step portion and the rear surface of the rear step portion. In addition, it is possible to prevent back and forth rattling.

  According to the eleventh aspect of the present invention, the step portion can be easily formed on the inner surface of the concave groove.

  According to the twelfth aspect of the present invention, since the upper ends of the left and right panels are connected by the connecting means, the relative vertical movement of the left and right panels is prevented, thereby preventing the connecting member from coming off from both panels. Both panels are firmly connected.

Hereinafter, the present invention will be described in detail with reference to the drawings.
FIG. 1 is a perspective view showing a first embodiment of a low partition having a panel connection structure according to the present invention, FIG. 2 is an enlarged front view of a main part showing a connection state of panels at the lower part of the panel, and FIG. FIG. 4 is a perspective view of the main part of the vertical frame at the lower side of the panel, FIG. 4 is a perspective view of the connecting member, FIG. 5 is a side view of the main part showing the attachment state of the connecting member to the side of the panel, and FIG. It is the vertical front view seen from the VI-VI line arrow direction.

  As shown in FIG. 1, this low partition is connected by connecting the side end faces of a pair of left and right panels (hereinafter referred to as first panel (P1) and second panel (P2)) in a straight line. It is formed by doing. Although only the first and second panels are shown here, it is a matter of course that any plurality of panels can be sequentially connected in a straight line with the same connection structure.

  A vertical frame (1) is assembled to each side surface of the first panel (P1) and the second panel (P2), and the side end surface of the vertical frame (1) is shown in FIG. 2 and FIG. As described above, the recessed groove (2) that is recessed toward the inside of the panel is provided along the vertical direction. A vertical rectangular fitting hole (3) is formed through the groove bottom wall (2a) of the concave groove (2) in the lower part of the vertical frame (1). When the vertical frames (1) and (1) of the panel (P1) and the second panel (P2) are brought into contact with each other, they face each other. A pair of front and rear notches (4) and (4) are formed on the front and rear inner walls (2b) and (2b) of the concave groove (2) in the vertical frame (1) and the side end surface of the vertical frame (1) connected thereto. Is provided at a position corresponding to the lower portion of the fitting hole (3), and the step portions (5), (5) are provided on the front and rear sides of the groove (2) in the notches (4), (4). Are formed so as to protrude toward the opening of the groove (2).

  Between the concave grooves (2) and (2) of the vertical frames (1) and (1) when the side surfaces of the first panel (P1) and the second panel (P2) are in contact with each other, the first panel (P1) and the second panel (P2) A connecting member (6) for connecting the lower portions of the panels (P2) is interposed. As shown in FIGS. 4 and 5, the connecting member (6) has a base (7) made of plastic or metal having a thickness that can be inserted between the concave grooves (2) (2). One side surface (8) of (7) is perpendicular to abuts the groove bottom wall (2a) of the groove (2) in the first panel (P1), and the other side surface (9) is the base From (7), it is notched so that it may incline in the direction away from the groove bottom wall (2a) of the ditch | groove (2) in a 2nd panel (P2) from the upper end to a lower end.

  A pair of left and right hooks (10), (11) with an upward hook shape are provided at the left and right ends of the upper end of the base (7), and one hook (10) is provided on the first panel (P1) side. It is inserted into the fitting hole (3) and is locked to the upper edge (3a) of the fitting hole (3), and the other hook part (11) is fitted into the fitting hole (3) of the second panel (P2). The inner surface (11a) of the second panel (P2) is inserted into the fitting hole (3) when the fitting is inserted into the fitting hole (3). It is formed on an inclined surface that imparts a component force in a direction to approach one panel (P1). Thus, the left and right ends of the connecting member (6) interposed between the concave grooves (2) and (2) are fitted to the fitting holes (3) and (3) of the first and second panels (P1) and (P2). It is inserted and locked so as to be detachable across the gap.

  A pair of front and rear projecting portions (12) and (12) are formed at the lower portions of the front and rear side surfaces of the base portion (7). These projecting portions (12) and (12) are formed in the notches (4) and (4). ) Through the vertical frame (1) of the first panel (P1) so as to straddle between the step portions (5) and (5) formed on both sides of the concave groove (2). In addition, downward hanging pieces (12a) and (12a) are formed at the distal ends of the overhang portions (12) and (12), and the inner side surfaces of these hanging pieces (12a) and (12a) are stepped. By engaging the front and rear outer surfaces of the parts (5) and (5), the connecting member (6) is positioned and the back and forth of the connecting member (6) is prevented.

At the lower end of the base portion (7), recesses (13) that open to the left and right side surfaces (8), (9) are formed to penetrate left and right. Inside the recesses (13), leaf springs as urging means are provided. A part of (14) is arranged to penetrate in the left-right direction. The leaf spring (14) has one end (14a) fixed to the lower part on the one hook part (10) side with a shaft (15) and the other end part (14b) connected to the other hook part (11). It extends downward.
In addition, an angled bent portion (16), which is a locking portion, is bent and formed at an intermediate portion of the leaf spring (14) near the hook portion (10), and the angled bent portion (16) When fitting 10) into the fitting hole (3), it engages with the lower edge (3b) of the fitting hole (3). Thereby, one hook part (10) is prevented from coming off from the fitting hole (3) by the elasticity of the leaf spring (14), and the connecting member (6) is connected to one side surface of the base part (7). (8) is guided so as to move straightly by slidingly contacting the groove bottom wall (2a) of the groove (2) in the first panel (P1), and both hook portions (10) (11) Is biased in a direction to be engaged with the upper edge (3a) (or the lower edge (3b)) of both fitting holes (3).

  Next, the connection work process of panels is demonstrated based on FIG. 5 and FIG. In this embodiment, when the connecting member (6) is attached to the first panel (P1) in advance, first, one hook portion (10) of the base portion (7) is inserted into the fitting hole ( 3) (to the left in FIG. 6), the plate spring (14) is inserted against the urging force and the bent portion (16) of the plate spring (14) is inserted into the fitting hole (3). Both steps formed by engaging the lower edge (3b) and forming the overhanging portions (12), (12) of the base portion (7) in the groove (2) in the vertical frame (1) of the first panel (P1). The parts (5) and (5) are received and supported, and the hanging pieces (12a) and (12a) are engaged with the outer surfaces of both stepped parts (5) and (5) and positioned. Accordingly, one side surface (8) of the base portion (7) is elastically applied to the groove bottom wall (2a) of the concave groove (2) in the first panel (P1) by the urging force of the leaf spring (14). It is assembled and held in contact.

  The leaf spring (14) has the other end (14b) in the engaged state of the angled bent portion (16) with the lower edge (3b) of the fitting hole (3) in the first panel (P1). Against the urging force, it can be pushed upward and rotated to the position indicated by the two-dot chain line in FIG. 6 as indicated by the solid line arrow. Since the other side surface (9) of the base portion (7) is notched so as to be inclined inward from the upper end to the lower end as described above, the other side portion (14b) of the leaf spring (14) Rotating operation becomes easy. And by this turning operation, the angled bent portion (16) can be detached from the lower edge (3b) of the fitting hole (3), and the engaged state can be easily released. As a result, one hook part (10) of the base part (7) of the connecting member (6) can be pulled out (to the right in FIG. 6), and the connecting member (6) can be easily removed from the fitting hole (3). Can be removed.

  Next, as shown in FIG. 2, the other hook portion (11) of the base portion (7) is fitted into the second panel (P1) so that the fitting hole (3) is dropped from above and locked. The two panels (P1) and (P2) are connected to each other. At this time, since the inner surface (11a) of the other hook portion (11) in the base portion (7) is formed on an inclined surface that imparts a component force in a direction approaching the first panel (P1) side, When inserting the fitting hole (3) of the panel (P2), the upper edge (3a) of the fitting hole (3) abuts on the inclined surface of the hook part (11), whereby the second panel Since a component force that pulls (P2) toward the first panel (P1) acts, the butt surfaces of both panels (P1) and (P2) can be brought into close contact with each other, and both panels (P1) (P2 ) Can be prevented from forming a gap.

  Further, the load applied to the second panel (P2) applied to the other hook portion (11) of the base portion (7) is applied to the front and rear step portions (5) and (5) formed on the first panel (P1) side. 7) Since the overhanging portions (12) and (12) formed in 7) are supported, the rotation of the connecting member (6) with respect to the load accompanying the connection of the second panel (P2) should be suppressed. Can do.

  In the present embodiment, the upper connection between the first and second panels (P1) (P2) is connected to the upper end of the two panels (P1) (P2) as shown in FIG. ) Is fastened by a fixing screw (18), and is performed by a connecting means that prevents the relative movement of the left and right panels (P1) and (P2), but the first and second panels (P1) The connection member (6) described above may also be used for the connection structure between the upper parts of (P2).

  FIG. 7 is a main part enlarged longitudinal front view showing the attachment state of the connecting member to the side surface of the panel in the second embodiment of the present invention, and FIG. 8 is a main part enlarged vertical front view showing the connection state of the panels. is there.

  In the present embodiment, the first and second panels (P1) are formed with the stepped portions (5) and (5) formed in the concave groove (2) of the vertical frame (1) and the connecting member (6) upside down. ) (P2) are connected to each other, and the connection structure is the same, and thus detailed description is omitted. In this case, the hook portions (10) and (11) in the base portion (7) face downward, and the upper ends of the overhang portions (12) and (12) in the base portion (7) are received by the step portions (5) and (5). While being supported, the angled bent portion (16) of the leaf spring (14) is engaged with the upper edge (3a) of the fitting hole (3).

  FIG. 9 is an exploded perspective view of the main part showing the attachment state of the connecting member to the side surface of the panel in the third embodiment according to the present invention.

In the present embodiment, the step portions (5) and (5) formed on the respective panels (P1) and (P2) are inwardly directed toward the front and rear inner walls (2b) and (2b) in the groove (2). The projecting parts (5) and (5) are formed with a substantially horseshoe-shaped downward projecting part (12) formed in front of and behind the base part (7) of the connecting member (6). It is configured to be engaged and received.
In this embodiment, the downwardly projecting portion (12) is received and supported by the step portion (5), thereby preventing the connecting member (6) from coming off from the fitting hole (3), and the leaf spring ( 14) is omitted.

  FIG. 10 is an enlarged longitudinal sectional front view similar to FIG. 7 showing the attachment state of the connecting member to the panel side surface in the fourth embodiment according to the present invention. In addition, the same code | symbol is attached | subjected and shown to the same member as in 2nd Embodiment shown in FIG. 7, and detailed description about them is abbreviate | omitted.

  In the present embodiment, the connecting member (6) similar to that in the second embodiment shown in FIG. 7 is first engaged with the first panel (P1) at the lower end when the posture shown in FIG. 10 is adopted. By providing a downwardly raised ridge portion (19) in the vicinity of the hook portion (10), a fitting hole (1) of the first panel (P1) is formed between the ridge portion (19) and the hook portion (10). 3) A downward engaging groove (20) that can be engaged with the lower edge (3b) is formed.

  By engaging the engaging groove (20) with the lower edge (3b) of the fitting hole (3) of the first panel (P1), the connecting member (6) is moved from the normal position shown in FIG. It can be prevented from being pushed inward of the first panel (P1), and the connecting member (6) can be rotated around the front-rear axis so that the other hook part (11) is lowered. Can be prevented.

Therefore, in the fourth embodiment, even if the leaf spring (14) as the biasing means is omitted, the connecting member (6) does not fall off from the first panel (P1).
Further, the connecting member (6) in the fourth embodiment is inverted in the vertical direction so that the engaging groove (20) is formed on the upper edge (3a) of the fitting hole (3) of the first panel (P1). By engaging, it can be carried out in the same manner as in the first embodiment.

It is a perspective view which shows 1st Embodiment of a low partition provided with the connection structure of the panel which concerns on this invention. It is a principal part expansion vertical front view which shows the connection state of the panels in the panel lower part. It is a principal part perspective view of the vertical frame in a panel side surface lower part. It is a perspective view of a connection member. It is a principal part side view which shows the attachment state of the connection member to a panel side surface. It is the vertical side view seen from the VI-VI line arrow direction of FIG. It is a principal part expansion vertical front view which shows the attachment state of the connection member to the panel side surface in the 2nd Embodiment of this invention. It is a principal part expansion vertical front view which similarly shows the connection state of panels. It is a principal part disassembled perspective view which shows the attachment state of the connection member to the panel side surface in the 3rd Embodiment of this invention. It is a principal part expansion vertical front view which shows the attachment state of the connection member to the panel side surface in the 4th Embodiment of this invention.

Explanation of symbols

(P1) 1st panel
(P2) Second panel
(1) Vertical frame
(2) Groove
(2a) Groove bottom wall
(2b) Inner wall
(3) Mating hole
(3a) Upper edge
(3b) Lower edge
(4) Notch
(5) Step
(6) Connecting member
(7) Base
(8) One side
(9) The other side (notch)
(10) One hook
(11) The other hook
(11a) Inner surface (inclined surface)
(12) Overhang
(12a) Hanging piece
(13) Recess
(14) Leaf spring (biasing means)
(14a) One end
(14b) The other end
(15) Axis
(16) Yamagata bend (locking part)
(17) Connecting plate (connecting means)
(18) Fixing screw
(19) Raised part
(20) Engaging groove

Claims (12)

In the panel connection structure in which the side end surfaces of the pair of left and right panels are butted together and connected with a connecting member,
Provided on the side end surfaces of the two panels facing each other are provided with concave grooves facing in the vertical direction to be recessed inward of each panel, and provided with fitting holes opposed to each other on the groove bottom wall of the both concave grooves, The upper or lower hooks provided at the left and right ends of the base of the coupling member are locked to the upper or lower edge of both fitting holes, and the lower or upper edge of one of the right and left fitting holes. The panel connecting structure according to claim 1, wherein the connecting member is biased in a direction in which the hook portion is locked to the upper edge or the lower edge of the fitting holes.   The panel connection structure according to claim 1, wherein the side surface of the base portion of the connection member is brought into contact with the groove bottom wall of the groove in the panel on which the urging means is locked in the fitting hole.   The biasing means is a leaf spring in which one end is fixed to the connecting member and an engaging portion that engages with a lower edge or an upper edge of one of the left and right fitting holes is formed in the middle portion. Or the connection structure of the panel of 2.   One end of the leaf spring is fixed to either the left or right hook portion of the connecting member, and the angled stepped portion that is a locking portion provided at the middle portion of the leaf spring is connected to the lower edge or upper edge of the fitting hole. The panel connection structure according to claim 3, wherein the panel connection structure is engaged with an edge.   The panel connection structure according to claim 3 or 4, wherein a part of the leaf spring is made to penetrate the base portion of the connection member in the left-right direction, and the other end portion of the leaf spring is extended to the other side of the base portion. .   The connection of the panel in any one of Claims 3-5 which provided the notch for operation of the other end part of a leaf | plate spring in the side part where the end of the leaf | plate spring in the base part of a connection member is not fixed. Construction.   A step is provided on either side of the front and rear of the groove in the panel on which the biasing means is locked in the fitting hole, and the lower end of the overhanging portion protruding in the front-rear direction from the base of the connecting member by this step. The connection structure of the panel in any one of Claims 1-6 which was made to receive and support. In the panel connection structure in which the side end surfaces of the pair of left and right panels are butted together and connected with a connecting member,
Provided on the side end surfaces of the two panels facing each other are provided with concave grooves facing in the vertical direction to be recessed inward of each panel, and provided with fitting holes opposed to each other on the groove bottom wall of the both concave grooves, On the upper edges of both fitting holes, the upward hook portions provided on the left and right ends of the base portion of the connecting member are locked, and the step portion is provided on either side of the front and rear of the groove in either panel, A panel connection structure in which the lower end of the protruding portion protruding in the front-rear direction from the base portion of the connection member is supported by the stepped portion.   A notch is provided in the front and back side surfaces of the groove and the side end surface of the panel connected to the groove, and a stepped portion protruding toward the opening of the groove is formed on the side edge of the notch provided in the front and back side surfaces of the groove. The lower ends of a pair of overhanging portions that protrude in the front-rear direction from the base portion of the connecting member are formed by both stepped portions, and the overhanging portions can be taken in and out through the notches. The panel connection structure according to claim 7 or 8.   The panel connection structure according to claim 9, wherein a hanging piece is provided at a front end portion of the front and rear projecting portions, and the hanging piece is engaged with a front surface of a front step portion and a rear surface of a rear step portion.   The panel connection structure according to claim 7 or 8, wherein the step portion is provided so as to protrude inward from either of the front and rear side surfaces of the concave groove.   The connection structure of the panel in any one of Claims 1-11 which connected the upper end parts of the left and right panels with the connection means which blocks those relative vertical movements.

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