JP5109152B2 - Optional member mounting structure - Google Patents

Description

  The present invention relates to a mounting structure for attaching an optional member such as a desktop panel used in an office, for example.

  Conventionally, a rail groove is formed on a predetermined mounting object, and a part of the optional member is sandwiched in the rail groove, so that the mounting position of the optional member or the like can be easily changed in accordance with the change of the arrangement of the desk or the like in the office. Various optional member support structures have been proposed in which the optional member is fixed and supported at a desired position along the extending direction of the rail groove.

Many of these, and in order to fix these optional members in place in the rail groove, project a separate nut to engage with a part of the rail constituting the rail groove, or a special member. It is to be stretched and fixed by rotating (see, for example, Patent Document 1).
JP 2004-159713 A

  In addition, the above-described one is configured to be movable while suppressing rattling of the optional member with respect to the rail groove, so that a part of the optional member to be inserted into the rail groove matches the inner size and shape of the rail groove as much as possible. I try to let them. Therefore, when removing the option member from the rail groove, the option member is moved along the extending direction to the end portion of the rail groove, and the option member is removed from the end portion of the rail groove.

  On the other hand, there is a demand for an attachment position of the option member that can change the attachment position more easily, quickly and surely in accordance with a change in the arrangement of other furniture in the office.

  The present invention pays attention to such a problem, and provides an attachment structure for an optional member that can change the attachment position more easily and quickly.

  In order to achieve such an object, the present invention takes the following measures. That is, the mounting structure of the option member according to the present invention includes a plurality of rails that form protrusions or depressions that protrude or sink from the mounting target to which the option member is attached, and the protrusions and recesses of the plurality of rails in the option member. An engagement member that can engage with each other, an engagement surface that engages the engagement member with the uneven portion of the engagement member, and an engagement position that engages an engaged surface of the uneven portion; An engagement capable of selectively reciprocating between a mating surface and the engaged surface in a plane direction and a retracted position in which the engagement surface is separated from the rail in the thickness direction of the rail. And at least a mechanism.

  If it is such, since an engaging member will be in the state spaced apart in the thickness direction of a rail by making an engaging member into a retracted position by an engaging mechanism, an option member itself will stand up as the said retracted position. Even if it is inserted and removed in the direction, it can be effectively avoided that the engaging member interferes with the rail. As a result, the option member can be inserted into and removed from the opening formed between the plurality of rails, and the attachment and removal operations can be performed easily and quickly.

Also, stable present invention in order to be to maintain the engagement member to the retracted position, the engagement mechanism, characterized in that it shall have a saving maintaining means for maintaining the engagement member to the retracted position .

  In addition, as a specific configuration for stably holding the engagement member at the retracted position, the retract maintaining means includes an interference member that interferes so that the engagement member is positioned at the retracted position, and an interference member formed on the engagement member. The thing which has the latching hole to latch can be mentioned.

  As a configuration for suitably positioning the engagement member at the engagement position, it is preferable that the engagement mechanism further includes a biasing unit that biases the engagement member from the retracted position to the engagement position.

  In order that the option member can be suitably moved in a state where the option member is not fixed, the engagement mechanism includes an option attachment portion for attaching an option main body constituting the main body of the option member, and a longitudinal direction of the rail. It is desirable that the option main body be provided on a rolling element having a wheel portion that can move along the extending direction of the rail.

  In order to make the engaging member itself compact by reducing the operating distance of the engaging member, it is desirable to provide the engaging member at both ends of the rolling element in the rail thickness direction.

  A configuration in which the weight of the optional member can be favorably supported by the rail includes a rolling element in which the center of the predetermined rail in the thickness direction is aligned with the center of the rolling element. In addition to such a configuration, if the engaging member is to be engaged with the concavo-convex portions formed on the other rails located on both sides of the predetermined rail, the optional member can be stably attached to the predetermined rail. Engagement can be ensured while supporting. Furthermore, as a configuration for stably supporting the option member, it is desirable that the rolling elements are respectively disposed at both ends of the option member in the longitudinal direction of the rail.

  Further, if a cart device that further includes a coupling body that couples a plurality of rolling elements and can support an option main body that forms the main body of the option member by the coupling body and the rolling members, the cart device is configured. Thus, the option member can be supported more stably. In addition, the optional member can be preferably moved along the extending direction of the rail by further including an attachment roller that can contact the rail with priority.

  Effectively avoiding the rails from being provided with increased strength in the direction of falling as the structure in which the fixing member acts not in the direction of falling down the rail but in the direction in which the rail rises, rather than in the direction that causes the rail to fall down. In order to realize a stronger mounting structure with a more compact rail, the uneven portion is expanded or compressed in the direction perpendicular to the protruding or recessed direction of the uneven portion, respectively. It is desirable to further include a plurality of fixing means that can be fixed.

  As a structure that can be more securely fixed to the rail, there can be mentioned a structure in which the concavo-convex portion is a protrusion provided on the side of the rail, and the fixing means is a holding means for holding the protrusion.

  In order to pinch the protrusion with a larger acting force that effectively uses the weight of the option member itself, the pressing portion is preferably pressed by the weight of the option member.

  As a configuration that can be more securely fixed to the rail, there can be mentioned one in which the concavo-convex portion is a protrusion provided on the side of the rail, and the fixing means is a holding means for holding the protrusion.

  In order to clamp the protrusions with a larger area, it is desirable that the protrusions have the upper surface of the rail, and the holding means has a pressing portion that can press the upper surface of the rail.

  In order to hold the protrusion with a larger acting force, the pressing portion is preferably pressed by the weight of the option member.

  And as a concrete structure which can comprise a clamping means suitably, what comprises the clamping means by the engaging member and the press part can be mentioned.

  Further, as a configuration capable of suitably fixing the optional member only when necessary, it is further provided with a switching mechanism capable of switching between a clamping state in which the clamping means clamps the protrusion and a releasing state in which the clamping state is released. Is desirable.

  In order to be able to move the option member in a state where the option member is preferably fixed while the option member is preferably fixed in the sandwiched state, an option for attaching the option main body, which is the main body of the option member, as the sandwiching means It is assumed that it is provided on a rolling element having a mounting part and a wheel part that can move the option main body along the longitudinal direction of the rail, and the switching mechanism has a grounding posture in which the wheel part can be grounded in the released state, and sandwiched It is desirable to be able to take an open posture released from the ground contact posture in the state. Here, the wheel portion may be grounded to the rail itself or to a portion other than the rail.

  If the ridge includes the upper surface of the rail and the clamping means has a pressing portion that can press the upper surface of the rail, the switching is realized as a configuration that realizes an accurate pressing operation by adopting an operation with high operation accuracy. A mechanism having a cam portion provided on the rolling element and capable of moving the pressing plate in the pressing direction can be exemplified.

  In order to ensure that the ridge can be securely clamped by simultaneously performing pressing by the pressing surface and pressing by the pressing surface, it is preferable that the pressing surface and the pressing surface be close to each other by the pressing operation of the cam portion. .

  In order to achieve a switching mechanism that can be suitably switched by adopting a lever operation that is easy to handle, it is preferable that the cam portion is provided at the base end portion of the operation lever that is rotatably attached to the rolling element. If it is such, it can be set as the structure which can clamp a protrusion firmly with little operation force.

  In order to prevent the cam from interfering even when the optional members are arranged in the thickness direction, the cam portion is preferably arranged at the center in the thickness direction of the rail.

  Further, as described above, the switching mechanism has a cam portion that is provided on the rolling element and can move in the direction of pressing the pressing plate, and a base of an operation lever that is rotatably attached to the rolling element. If the configuration in which the interference member is attached to the operation lever in addition to the configuration provided at the end portion is provided, the operation of the engagement mechanism that moves the engagement member from the retracted position to the engagement position, and the clamping means of the rail It is possible to cause the operation of the switching mechanism that holds the ridge to be in a clamping state by a series of rotating operations of the operation lever.

  As a specific configuration for smoothly performing the operation of the engagement mechanism and the switching mechanism by one operation of the operation lever, the interference member is engaged with the engagement hole on one end side in the rotation region of the operation lever. In addition, the switching mechanism can be brought into a released state and the switching mechanism can be held in the other end side.

Then, as a preferred example of the optional member having a configuration as described above, it can be mentioned desktop panel.

  According to the present invention, since the engagement member is separated in the rail thickness direction by the engagement mechanism, the engagement member interferes with the rail even if the option member itself is inserted and removed in the direction in which the rail rises as the retracted position. It can be effectively avoided. As a result, the optional member can be inserted into and removed from the opening formed between the plurality of rails, and the attaching and detaching operations can be performed easily and quickly.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

  The attachment structure A of the desktop panel 7 as an optional member according to the present embodiment is applied to an office configuration system formed by connecting two desks 1 shown in FIG.

  The desk 1 in the office configuration system includes a base 2 extending in the horizontal direction, a base support 3 that supports the base 2, a support 4 that is slidably supported along the base 2, and one end on the support 4. And the leg 6 that supports the other end of the top plate 5 and contacts the floor. In this embodiment, as described above, the desktop panel 7 which is an optional member is preferably attached to the upper side of the base 2.

  As shown in FIG. 1, the base support 3 supports both ends of the base 2. The base support 3 has, for example, a prism shape or a square pipe shape having a depth dimension substantially the same as the short dimension of the base 2, and a plurality of desks 1 are arranged so that each base 2 is continuous along the longitudinal direction. In the office configuration system that is continuously provided, the first auxiliary base support 31 is integrated with the base support 3 positioned at both ends as viewed from the entire office configuration system by a suitable means among the plurality of base supports 3. As a result, the second auxiliary base support 32 is integrally assembled to the other base support 3 by an appropriate means to realize good self-supporting and stability of the entire office configuration system.

  As shown in FIGS. 1 and 3, the base 2 has a substantially quadrangular prism shape that extends substantially linearly. Rail grooves functioning as top plate guide portions for guiding the movement of the support 4 are provided in a pair of upstanding surface portions facing each other along the longitudinal direction of the base 2. In the present embodiment, a pair of rail grooves extending along the longitudinal direction of the base 2 are formed on each of the standing surface portions so as to be spaced apart from each other by a predetermined pitch in the height direction and parallel to each other.

  A rail groove 23 for moving and guiding the desktop panel 7 as an optional member is provided on the upper surface portion 2B of the base 2. A plurality of (four in the illustrated example) rail grooves 23 are formed on the upper surface portion 2 </ b> B so as to be spaced apart from each other by a predetermined pitch in the short dimension direction of the base 2 and to extend parallel to each other. The relative position of the desktop panel 7 with respect to the base 2 can be changed by sliding the desktop panel 7 along the rail groove 23. As an optional member, in addition to the desktop panel 7, various members such as a task light can be adopted. Each rail groove 23 is formed from one end of the base 2 to the other end. Further, end caps 2C are detachably attached to both ends of the base 2 (see FIG. 1, in addition to FIG. 1, the base 2 with the end cap 2C removed is shown). .

  As shown in FIG. 3, the rail groove 23 is formed by a rail portion 23a that rises upward from the bottom surface 20B in the upper surface portion 2B of the base 2. The rail portion 23a includes three main rails 23b and side rails 23c that are adjacent to these rails and form part of the side surface of the base 2.

  Here, the mounting structure A (hereinafter referred to as mounting structure) A of the desktop panel 7 according to the present embodiment is a plurality of rail portions that form protrusions T that are concave and convex portions protruding from the base 2 that is the mounting target to the rising side. 23a, an engagement member 724a that can be engaged with the protrusions of the plurality of main rails 23b or the side rails 23c on the desktop panel 7, respectively, an engagement surface 724b of the engagement member 724a, and an engagement of the protrusions T The engagement position (E1) for engaging the downward surface 234, which is a surface, and the engagement surface 724b and the downward surface 234 are separated in the surface direction, and the engagement surface 724b is railed in the thickness direction of the rail portion 23a. And an engagement mechanism E that can selectively reciprocate between the retracted position (E2) separated from the portion 23b.

  Hereinafter, the structure of the rail part 23a which comprises the attachment structure A which concerns on this embodiment, and the desktop panel 7 is demonstrated.

  As shown in FIGS. 1 and 3 and the like, the rail portion 23a includes the main rail 23b and the side rail 23c that rise upward from the bottom surface 20B as described above. The rail portions 23a have protrusions T on both side surfaces of the main rail 23b and on the inner surface of the side rail 23c. Specifically, the protrusion T has a first step portion 232 including the upper surface 231 and a second step portion 233 that protrudes laterally below the first step portion 232. The upper surface 231 of the rail portion 23a, which is the upper side of the first step portion 232, and the downward surface 234 of the second step portion 233 are held by the holding means C described later.

  On the other hand, as shown in FIGS. 1, 2, 3 and 5, the desktop panel 7 supports the panel main body 70 which is the main body of the desktop panel 7 and the panel main body 70 from below, and extends the rail portion 23a. And a carriage device 71 that can move along the outgoing direction and can be fixed to the rail portion 23a. In FIG. 1, a lower cover 71 c that covers a part of the lower side of the carriage device 71 is illustrated, but the illustration of the lower cover 71 c is omitted in the drawings after FIG. 2.

  As shown in FIGS. 1 and 5, the panel main body 70 includes a frame body 701 that forms the outer shape of the panel main body 70, and a face plate 702 that is fitted inside the frame body 701. The frame body 701 is formed by welding, for example, a metal square pipe material in a downward U-shape, and is subjected to female thread processing for attaching to the base body side at the open end of the square pipe material located on the lower end side. And a mounted portion having a mounted hole. The face plate 702 is attached to the inside of the frame body 701 by existing means, and various materials and colors can be adopted as long as the desktop panel 7 can be configured.

  As shown in FIG. 4, the carriage device 71 includes a pair of rolling elements 72 disposed at both lower ends of the desktop panel 7, that is, both ends in the longitudinal direction of the rail groove 23, and a connecting body 73 that connects the rolling elements 72. And have. And the cart apparatus 71 can become independent in the state which supported the panel main body 70 with the two wheels 722a which each rolling element 72 has, ie, the four wheels 722a in total.

  As shown in FIG. 4, the connecting body 73 includes two connecting bars 731 that connect the pair of rolling elements 72 by being attached to the rolling elements 72, and rails that are attached to the lower side of the connecting bar 731 and located on the side. The contact roller 732 that can preferentially contact the portion 23a is provided. Specifically, two connecting holes 733 are formed on one end side and the other end side of one connecting bar 731, and the connecting hole 733 and the above-described rolling element 72 are fastened by a bolt (not shown). The contact roller 732 has a rotating roller and a shaft portion, and is attached to the connection bar 731 by screwing the base end of the shaft portion subjected to male screw processing into the connection hole. When the engagement member 724a, which will be described later, takes the retracted position (E2) (FIGS. 11 and 12), the contact roller 732 comes into contact with the rolling element 72 and the connecting bar 731 in preference to the rail portion 23a. It is intended for good movement.

  As shown in FIGS. 3, 4, 5, 6, and 7 and the like, the rolling element 72 is attached to the panel body 70, and a mounting plate 721 to which each component of the rolling element 72 is attached, and a desktop panel 7 has a wheel portion 722 that can move itself, and a pressing means 723, an engaging portion 724, and an operating lever 725 that constitute a clamping means C, a switching mechanism SW, and an engaging mechanism E, which will be described in detail later. It is what. Further, as shown in FIG. 3, the rolling element 72 is configured so that the center in the thickness direction of the main rail 23b located at the center of the figure, which is the predetermined rail portion 23a, and the center of the rolling element 72 are aligned. However, the configuration of the rolling element 72 is not limited to the illustrated configuration, and in the case of the same figure, the thickness direction center of the other main rail 23b and the same direction center of the rolling element 72 are arranged to coincide with each other. Also good. 6 is a cross-sectional view taken along the line II in FIG. 5, and FIG. 7 is a cross-sectional view taken along the line II-II in FIG.

  As shown in FIG. 5 in particular, the mounting plate 721 is configured to screw or pivot each component of the rolling element 72 so as to integrally form the rolling element 72. More specifically, a panel attachment portion 721a for attaching the panel body 70 is formed at the central portion on one end side of the attachment plate 721. And the wheel attachment part 721b which attaches a pair of wheel part 722 by screwing, for example is formed in the both sides of this panel attachment part 721a. Further, a pressing portion mounting portion 721c for mounting the pressing plate 723a in a vertically movable manner is formed by two hanging pins 723b, which will be described later, in the vicinity of the center in the longitudinal direction and the short dimension direction of the mounting plate 721. Then, on both sides of the pressing portion mounting portion 721c in the short dimension direction, an engagement member 724a (described later) is positioned in the depressed portion by slightly denting the short dimension, and is orthogonal to the extending direction of the rail groove 23. An engagement member attachment portion 721d is formed through which the rotation shaft 724c is passed over the longitudinal direction of the attachment plate 721 so that the engagement member 724a can be pivotally attached at the above-described recessed portion. ing. A lever mounting portion 721e for mounting the operation lever 725 so as to be rotatable along the extending direction of the rail groove 23 is provided in the vicinity of the pressing portion mounting portion 721c.

  5, the wheel portion 722 supports the desktop panel 7 so as to be movable along the rail groove 23 in the ground contact posture (S) in which the wheel 722a contacts the bottom surface 20B (see FIGS. 9 and 9). 11). Specifically, as shown in FIG. 3, the wheel portion 722 includes a wheel attachment member 722 b attached downward from the wheel attachment portion 721 b of the attachment plate 721, and screwed to the wheel attachment member 722 b and drooping downward to lower the wheel 722 a. The wheel support plate 722c to be supported and the wheel 722a attached to the wheel support plate 722c by, for example, screwing are provided. In FIG. 6, the wheel portion 722 has an open posture (O) that is separated from the bottom surface 20 </ b> B.

  As shown particularly in FIGS. 5 and 6, the pressing portion 723 is attached below the attachment plate 721 so as to be movable up and down. Specifically, the pressing portion 723 can press the upper surface 231 of the rail portion 23a from above onto the pressing portion mounting portion 721c of the mounting plate 721, and the pressing plate 723a that directly presses the upper surface 231 of the rail portion 23a, And a hanging pin 723b for attaching the plate 723a to the attachment plate 721. Regarding the configuration of the hanging pin 723b, various configurations can be adopted as long as the pressing plate 723a can be attached to the pressing plate 723a so as to be movable up and down. The pressing plate 723a includes a plate 723c that is the main body of the pressing plate 723a and is pressed by a cam portion 725c described later, and a pressing pad 723d made of, for example, resin that is screwed to the lower side of both ends of the plate 723c. ing. And as shown in FIG. 6, the press surface 723e is formed in the lower side of the press pad 723d, and the said press surface 723e presses the upper surface 231 of the rail part 23a.

  As shown in FIGS. 3, 4, and 6, the engaging portion 724 is engaged with the downward surface 234 of the rail portion 23 a by the engaging surface 724 b and can be pressed from below. Specifically, the engaging portion 724 includes an engaging member 724a that forms a main body of the engaging portion 724 and has an engaging surface 724b that can be attached to the rolling element 72 and can contact the downward surface 234, and the engaging member 724a. And a connecting shaft 724d as a biasing means for biasing the engaging member 724a to a position where the engaging surface 724b faces the downward surface 234. The engagement member 724a is provided on a shaft attachment hole 724e through which the rotation shaft 724c is inserted, an engagement surface 724b disposed at the lower end portion of the engagement member 724a and press-contacting the downward surface 234, and an upper portion of the engagement member 724a. It has a locking hole 724f that engages with an interference member 725e, which will be described later, and a spring mounting hole 724g for mounting a connection spring 724d as biasing means. The rotation shaft 724c is set to a dimension substantially similar to the longitudinal dimension of the attachment plate 721, and the engagement member 724a is attached to the attachment plate by inserting the shaft attachment hole 724e and the engagement member attachment portion 721d of the attachment plate 721. It is for attaching to 721. The connection spring 724d can accumulate a biasing force in a direction in which the spring attachment holes 724g can be brought close to each other with both ends attached to the spring attachment holes 724g of the engagement member 724a. In other words, the engagement surface 724b is opposed to or contacted with the downward surface 234 by urging the engagement surface 724b positioned on the lower side through the shaft attachment hole 724e with respect to the spring mounting hole 724g. It is to be positioned. In this embodiment, the engagement surface 724b can be positioned by the action of the connection spring 724d. However, in this embodiment, the position of the center of gravity of the axially attached engagement member 724a can be used without using the connection spring 724d. The engagement surface 724b and the downward surface 234 can be made to face each other by appropriately setting.

  As shown in FIGS. 4, 5, 6 and 7, the operation lever 725 is attached to the lever attachment portion 721e of the attachment plate 721 located at the upper center of the rolling element 72, and is about 90 from horizontal to substantially vertical. ° Can be rotated. By rotating the operation lever 725, operations of an engagement mechanism E and a switching mechanism SW described later can be realized. Specifically, the operation lever 725 includes a lever main body 725b composed of two thin plate-like lever plates 725a that are pivotally attached to the lever mounting portion 721e, and the vicinity of the pivot attachment portion of the operation lever 725, that is, the lever main body 725b. A cam portion 725c formed on the rotation base end side, a lever connection portion 725d for connecting the lever plates 725a to each other through a predetermined distance, and a predetermined dimension projecting in a direction orthogonal to the rotation direction of the lever body 725b are provided. Interference member 725e. As described above, the operation lever 725 is positioned at the upper center of the rolling element 72, so that the cam portion 725c is disposed at the center in the thickness direction of the main rail 23b in a state where the operation lever 725 is assembled. In the present embodiment, the lever main body 725b employs a mode in which the two lever plates 725a are connected by the lever connecting portion 725d. However, the present invention is not limited to this configuration, and various other configurations can be employed. The cam portion 725c has a distance between the slidable contact surface 725f and the shaft mounting position as the slidable contact surface 725f in contact with the pressing plate 723a rotates the operation lever 725 from the horizontal state to the vertical state. It is set to gradually increase. Specifically, the position of the sliding contact surface 725f that is in contact with the pressing plate 723a when the operation lever 725 is vertical is set to the pressing position 725g at which the sliding contact surface 725f is farthest from the axially attached portion. On the other hand, the interference member 725e has a rod shape formed by inclining both end faces in an inverted C shape, and is inserted through a hole provided at a predetermined position of the lever plate 725a. The interference member 725e can maintain the state where the operation lever 725 is positioned horizontally by engaging with the locking hole 724f of the engagement member 724a in a state where the operation lever 725 is positioned horizontally, and the positioning of the engagement member 724a. The detailed operation will be described later in detail.

  Therefore, in the present embodiment, as shown in FIGS. 6 to 12 and the like, the above-described pressing portion 723 and the engaging portion 724 constitute the clamping means C according to the present invention. That is, the clamping means C means that in the clamping state (C1) shown in FIGS. 6 and 7, the pressing portion 723 presses the upper surface 231 of the rail portion 23a constituting the protrusion T, and the engaging member 724a is the pressing portion. By pressing the downward surfaces 234 provided on the two main rails 23b on both sides of the three main rails 23b pressed by the 723, the protrusions T of the rail portions 23a are respectively clamped. Specifically, the engaging member 724 constituting the clamping means C is provided at both end portions in the thickness direction of the rail portion 23a in the rolling element 72. And in this embodiment, the clamping means C clamps the protrusion T of the rail part 23a located in the both sides of the main rail 23b in which the engaging surface 724b is just below the desktop panel 7 with the above-mentioned pressing part 723. It is said.

  As shown in FIGS. 6 to 12 and the like, the mounting structure A according to the present embodiment has the engagement member 724a and the engagement surface 724b of the protrusion T by the operation of the operation lever 725 and the engagement member 724a. The thickness direction of the rail portion 23a is selectively between an engagement position (E1) in contact with the downward surface 234 and a retracted position (E2) in which the engagement surface 724b and the downward surface 234 are separated in the surface direction. The engaging mechanism E which can be reciprocated along is comprised.

  The engagement mechanism E is a retraction maintaining means Q for maintaining the engagement member 724a at the retraction position (E2) and a biasing means for urging the engagement member 724a from the retraction position (E2) to the engagement position (E1). The connecting spring 724d is used. The retraction maintaining means Q includes an interference member 725e that interferes so that the engagement member 724a is positioned at the retraction position (E2), and a locking hole 724f that is formed in the engagement member 724a and locks the interference member 725e. It is what. And as shown in the figure, in the retracted position (E2) when the interference member 725e and the locking hole 724f are engaged, the engagement member 724a is set to a position where it cannot interfere in the thickness direction of the rail portion 23a. is doing. On the other hand, as shown in FIGS. 8 and 10 and the like, when the engagement between the interference member 725e and the locking hole 724f is released, the upper side of the engagement member 724a is pulled in the direction of being pulled by the action of the connection spring 724d. In order to rotate, the lower side of the engaging member 724a moves outward, so that it contacts the main rail 23b, contacts the downward surface 234, or is positioned at a position facing the downward surface 234.

  Here, in the present embodiment, the switching mechanism SW and the engagement mechanism E operate in a series of operations of the operation lever 725. The switching mechanism SW is capable of switching between a clamping state (C1) in which the clamping means C clamps the ridge T and a release state (C2) in which the clamping state (C1) is released. The engagement mechanism E is an engagement position (E1) where the engagement surface 724b is in contact with the downward surface 234 of the ridge T, and a retracted position where the engagement surface 724b and the downward surface 234 are separated in the surface direction. (E2) can be selectively reciprocated along the thickness direction of the rail portion 23a. The switching mechanism SW will be specifically described. The switching mechanism SW moves the interference member 725e in the state where the operation lever 725 is horizontal as shown in FIGS. The release state (C2) is engaged with the engagement hole 724f, and the holding state (C1) is established when the other end side, that is, the operation lever 725 is substantially vertical.

  Hereinafter, the operation of the switching mechanism SW and the engagement mechanism E by a series of operations of the operation lever 725 will be described with reference to FIGS.

  First, as shown in FIGS. 6 to 10, when the operation lever 725 is operated from the state shown in FIGS. 6 and 7 to the state shown in FIGS. 8 and 10, the cam portion 725c first moves from the clamping state (C1). Thus, when the positions of the pressing plate 723a and the mounting plate 721 are close to each other, that is, when the entire desktop panel 7 other than the pressing plate 723a and the hanging pin 723b is lowered, the wheel portion 722 is grounded to the bottom surface 20B (S). Take. When the state shown in FIGS. 8 and 10 is changed to the state shown in FIGS. 9 and 11, the interference member 725e is locked in the locking hole 724f of the engaging member 724a, so that the operation lever 725 is Positioned at the end of operation. At this time, as shown in FIG. 11, the engagement surface 724b is maintained in a state of being completely retracted from the thickness dimension of the rail portion 23b. In other words, because the interference member 725e and the locking hole 724f constitute the retreat maintaining means Q according to the present invention, the desktop panel 7 including the rolling elements 72 in this state is indicated by an arrow in FIG. Thus, it can move suitably along the extending direction of the rail groove 23. In addition, as shown in FIG. 12, the rail groove 23 can be suitably removed from the base 2 by being inserted and removed in the opening direction.

  On the other hand, when the desktop panel 7 is attached and fixed to the base 2, that is, the rail portion 23 a, the operation lever 725 is moved from the horizontal state to the vertical state, so that the above-described FIGS. The operation opposite to the operation of the operation lever 725 is performed. Specifically, when the tip end side of the operation lever 725 is moved upward from the state shown in FIGS. 9 and 11 to the state shown in FIGS. 8 and 10, the interference member 725e is first separated from the locking hole 724f. As a result, the engaging surface 724b of the engaging member 724a moves toward the main rail 23b. Further, when the operation lever 725 is rotated upward to the state shown in FIGS. 6 and 7, the pressing plate 723a moves downward as the pressing area of the cam portion 725c contacts the pressing plate 723a. Then, each of the components other than the pressing plate 723a is moved upward by the movement of the pressing plate 723a downward, so that the engaging surface 724b and the wheel 722a are moved simultaneously. In other words, the pressing surface 723e and the engaging surface 724b come close to each other by the pressing operation of the cam portion 725c. As a result, as shown in FIGS. 3, 6, and 7, the protrusion T of the rail portion 23 a is sandwiched between the pressing portion 723 and the engaging portion 724, and the wheel 722 a is lifted from the bottom surface 20 </ b> B. It becomes an open posture (O). At this time, substantially the entire weight of the desktop panel 7 is applied to the upper surface 231 of the rail portion 23a by the pressing pad 723d of the pressing portion 723. That is, in the clamping means C according to the present embodiment, the pressing portion 723 presses the rail portion 23 a by the weight of the desktop panel 7.

  As described above, in the series of operations of the operation lever 725, the engagement mechanism E and the switching mechanism SW operate in conjunction with each other, so that the desktop panel 7 can be suitably moved along the rail groove 23 and the rail portion. The state firmly fixed with respect to 23a can be smoothly transferred to each other.

  With the above-described configuration, the mounting structure A according to the present embodiment has the engagement position (E1) where the pressure contact surface 724b is in contact with the downward surface 234 of the ridge T, the pressure contact surface 724b, and the downward surface. 234 is selectively reciprocated along the thickness direction of the rail portion 23a with the retracted position (E2) set at a position where the engagement member 724a is not allowed to interfere in the thickness direction of the rail portion 23a. It is assumed that an engagement mechanism E that can be operated is provided.

  With such a configuration, it is possible to effectively avoid the engagement member 724a from interfering with the rail portion 23a even if the desktop panel 7 is inserted and removed in the direction in which the rail portion 23a rises, that is, the opening direction of the rail groove 23a. As a result, the desktop panel 7 can be inserted into and removed from the rail groove 23a, and the attachment and removal operations can be performed easily and quickly.

  Further, in the present embodiment, in order to stably maintain the engaging member 724a at the retracted position (E2), the retract maintaining means Q is configured to maintain the engaging member 724a at the retracted position (E2). Specifically, the retracting and maintaining means includes an interference member 725e that interferes so that the engaging member 724a is positioned at the retracted position (E2), and a locking hole 724f that locks the interference member 725e formed on the engaging member 724a. Q is constituted.

  Then, in order to position the engagement member 724a to the engagement position (E1) preferably, the urging means that urges the engagement mechanism E from the retracted position (E2) to the engagement position (E1). A loose connection spring 724d is provided.

  In this embodiment, in order to be able to move the desktop panel 7 suitably, it has a panel mounting part 721a which is an option mounting part and a wheel part 722 which can move the panel body 70 along the longitudinal direction of the rail groove 23. It is assumed that an engaging member 724a is provided on the rolling element 72.

  In order to make the engaging member 724a itself compact by reducing the operating distance of the engaging member 724a, the engaging member 724a is provided at both end portions of the rolling element 72 in the thickness direction of the rail portion 23a.

  Further, in the present embodiment, by providing the clamping means C, the desktop panel 7 can be stably fixed.

  In order to favorably support the weight of the desktop panel 7 on the rail portion 23a, the rolling element 72 is made to coincide with the center of the main rail 23b in the thickness direction and the center of the rolling element 72 as shown in FIG. It is arranged. In addition, the engaging member 724a is engaged with the protrusion T formed on the other main rail 23b located on both sides of the main rail 23b mainly supporting the desktop panel 7, and the predetermined main rail 23b The engaging member 724a can be reliably engaged while the desktop panel 7 is stably supported. And as a structure which supports the desktop panel 7 stably, the rolling element 72 is arrange | positioned at the both ends of the longitudinal direction of the rail groove | channel 23 in the desktop panel 7, respectively.

  In addition, by providing a connecting body 73 that connects a plurality of rolling elements 72, a cart device 71 that can support an optional main body that forms the main body of the desktop panel 7 is configured by the connecting body 73 and the rolling elements 72. With such a configuration, the panel body 70 can be supported more stably. In addition, assuming that the connecting body 73 further includes a contact roller 732 that can contact the rail portion 23a preferentially, the desktop panel 7 can be suitably moved along the extending direction of the rail groove 23. Yes.

  Since the mounting structure A according to the present embodiment includes the clamping means C as a pair of fixing means for compressing, that is, clamping, the protrusions T that are the concavo-convex portions provided on the rail portions 23a constituting the plurality of rail grooves 23. The clamping means C clamps the protrusions T across the plurality of main rails 23b or side rails 23c, so that the force in the falling direction with respect to the desktop panel 7 is not the direction in which the rail portion 23a is laid down, but the direction in which the rail portion 23a rises It becomes the structure which acts along. That is, the rail portion 23a can be configured to be applied with an acting force in the direction of compressing or extending the rail portion 23a along the rising direction via the clamping means C.

  And in this embodiment, it can fix to the rail part 23a reliably by employ | adopting the clamping means C clamped with respect to the protrusion T provided in the rail part 23a. Specifically, in order to hold the protrusion T with a larger area, the protrusion T is assumed to have an upper surface 231 of the rail portion 23a and a downward surface 234 formed on the side of the rail portion 23a. C is configured by a pressing portion 723 that can press the upper surface 231 of the rail portion 23a and an engaging portion 724 that can press-contact the downward surface 234. Since the ridge T is pressed by the weight of the desktop panel 7 itself which is the desktop panel 7, the clamping means C can easily and effectively acquire the action force for clamping the ridge T. Yes.

  Furthermore, by providing a switching mechanism SW that can switch between the clamping state (C1) and the release state (C2), the desktop panel 7 can be suitably fixed only when necessary.

  In the present embodiment, in order to enable the desktop panel 7 to be suitably moved in a state in which the desktop panel 7 is preferably fixed while the desktop panel 7 is not fixed in the sandwiched state (C1), the panel attachment portion 721a as an option attachment portion is provided. And a rolling member 72 having a wheel portion 722 capable of moving the panel main body 70 along the longitudinal direction of the rail groove 23, and the switching mechanism SW in the release state (C 2). The grounding posture (S) where the wheel portion 722 can be grounded and the open posture (O) released from the grounding posture (S) in the clamped state (C1) can be taken.

  In order to realize a more accurate pressing operation, a configuration is employed in which the switching mechanism SW is provided on the rolling element 72 and has a cam portion 725c that can move the pressing plate 723a in the pressing operation direction. In particular, the pressing surface 723e and the pressure contact surface 724b are formed by the pressing operation of the cam portion 725c in order to surely hold the protrusion T by simultaneously performing the pressing by the pressing surface 723e and the pressure contact by the pressure contact surface 724b. It is supposed to be close.

  In order to obtain a switching mechanism SW that can operate suitably by adopting a lever operation that is easy to handle and can use an accurate rotation operation, a base of an operation lever 725 that is rotatably attached to the rolling element 72. A cam portion 725c is provided at the end. With such a configuration, the protrusion T can be firmly held with a small operating force.

  On the other hand, by arranging the cam portion 725c at the center of the rail portion 23a in the thickness direction, a configuration in which the cam portion 725c does not get in the way even when the desktop panels 7 are arranged in the thickness direction is realized.

  Further, as described above, the switching mechanism SW is provided on the rolling element 72 and has a cam portion 725c that can move the pressing plate 723a in the pressing operation direction. The cam portion 725c can be rotated with respect to the rolling element 72. In addition to the configuration provided at the base end portion of the attached operation lever 725, by providing a configuration in which the interference member 725e is attached to the operation lever 725, the engagement member 724a is moved from the retracted position (E2) to the engaged position. (E1) The operation of the engagement mechanism E and the operation of the switching mechanism SW in the clamping state (C1) in which the clamping means C clamps the protrusion T of the rail portion 23a. It is possible to perform it by operation. In order to smoothly perform the operation of the engagement mechanism E and the switching mechanism SW by one operation of the operation lever 725, the interference member 725e is engaged with the engagement hole 724f on one end side in the rotation region of the operation lever 725. In addition, the switching mechanism SW is set to the release state (C2) and can be set to the clamping state (C1) on the other end side.

  Although the embodiment of the present invention has been described above, the specific configuration of each unit is not limited to the above-described embodiment, and various modifications can be made without departing from the spirit of the present invention.

  For example, in the above-described embodiment, an aspect in which the option member is fixed by sandwiching a protrusion in the rail groove is disclosed, but the present invention is not limited to the above-described aspect. For example, the biasing means in the above-described embodiment is elastically attached. The option member may be fixed to the rail portion only by the force.

  In addition, the specific configuration of each part is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the present invention.

The external view which concerns on one Embodiment of this invention. The side view which concerns on the same embodiment. The principal part side view. The front view which concerns on the same embodiment. Enlarged view of the main part II sectional view taken on the line of FIG. II-II sectional view taken on the line which concerns on FIG. Operation | movement explanatory drawing which concerns on FIG. Same as above. Operation | movement explanatory drawing corresponding to FIG. Operation | movement explanatory drawing corresponding to FIG. Operation | movement explanatory drawing which concerns on the same embodiment.

Explanation of symbols

23a ... Rail (rail part)
231 ... Upper surface of rail (upper surface)
234 ... Downward surface 7 ... Optional parts, desktop panel (Tesque top panel)
70 ... Option body (panel body)
71 ... Dolly device 72 ... Rolling element 721a ... Option mounting part (panel mounting part)
722 ... Wheel portion 723 ... Pressing portion 723a ... Pressing plate 724a ... Engaging member 724b ... Engaging surface 724d ... Biasing means 724f ... Locking hole 725c ... Cam portion 725 ... Operation lever 725e ... Interference member 73 ... Linking body 732 ... Attaching roller A ... Mounting structure for optional members (mounting structure)
E: Engagement mechanism E1: Engagement position E2: Retraction position Q ... Retraction maintenance means C ... Fixing means, clamping means (clamping means)
CD ... Fixing means T ... Uneven portion, ridge (ridge)
SW ... Switching mechanism C1 ... Clamping state C2 ... Release state S ... Grounding posture O ... Opening posture

Claims (24)

A plurality of rails that form concave and convex portions protruding or sinking from the mounting target to which the optional member is attached;
An engagement member capable of engaging with the uneven portions of the plurality of rails in the option member;
An engaging position for engaging the engaging member with the concave and convex portion of the engaging member and an engaged surface of the concave and convex portion, and the engaging surface and the engaged surface. An engagement mechanism capable of selectively reciprocating between a retracted position spaced apart in the surface direction and spaced apart from the rail in the thickness direction of the rail;
An attachment structure for an optional member, characterized in that the engagement mechanism includes a retraction maintaining means for maintaining the engagement member in the retraction position. 2. The retraction maintaining means includes an interference member that interferes so that the engagement member is positioned at a retraction position, and an engagement hole that is formed in the engagement member and engages the interference member. Optional member mounting structure. The optional member mounting structure according to claim 1 or 2, wherein the engagement mechanism further includes a biasing unit that biases the engagement member from the retracted position to the engagement position. The engagement mechanism includes an option mounting portion for mounting an option main body that is a main body of the option member, and a wheel portion that can move the option main body along the extension direction of the rail along the longitudinal direction of the rail. The mounting structure for an optional member according to claim 1, 2 or 3, wherein the mounting structure is provided on a rolling element. The attachment structure of the option member of Claim 4 which has provided the said engaging member in the both-sides edge part of the thickness direction of the said rail in the said rolling element. The optional member mounting structure according to claim 4 or 5, wherein the rolling elements are arranged such that a center in a thickness direction of a predetermined rail coincides with a center of the rolling elements. The option member mounting structure according to claim 6, wherein the engaging means is engaged with the concavo-convex portion formed on another rail located on both sides of the predetermined rail. The attachment structure of the option member of Claim 4, 5, 6 or 7 which has arrange | positioned the said rolling element to the both ends of the longitudinal direction of the rail in the said option member, respectively. It further has a connecting body for connecting a plurality of the rolling elements,
9. The option member mounting structure according to 4, 5, 6, 7 or 8, which constitutes a cart device capable of supporting an option main body constituting the main body of the option member by the connecting body and the rolling element. The attachment structure for an optional member according to claim 9, wherein the connecting body further includes an attachment roller attached to a rail. A plurality of fixing means capable of fixing the uneven portion to the uneven portion by expanding or compressing the uneven portion in a direction perpendicular to the protrusion or depression direction of the uneven portion, respectively. The optional member mounting structure according to 4, 5, 6, 7, 8, 9 or 10. The protrusions are provided on the side of the rail with the uneven portion,
The optional member mounting structure according to claim 11, wherein the fixing means is a clamping means for clamping the protrusion. The ridge includes the upper surface of the rail,
The mounting structure for an optional member according to claim 12, wherein the clamping means has a pressing portion that can press the upper surface of the rail. The option member mounting structure according to claim 13, wherein the pressing portion is pressed by its own weight. The attachment structure of the option member of Claim 12, 13 or 14 which comprises the said clamping means with the said press part and the said engagement member. The mounting structure for an optional member according to claim 12, 13, 14, or 15, further comprising a switching mechanism capable of switching between a clamping state in which the clamping means clamps the protrusion and a release state in which the clamping state is released. . The switching mechanism includes an option mounting portion for mounting an option main body that forms the main body of the option member, and a wheel portion that can move the option main body along the extension direction of the rail along the longitudinal direction of the rail. Provided in the rolling elements,
The optional member mounting structure according to claim 16, wherein the grounding posture in which the wheel portion can be grounded in the released state and the open posture released from the grounding posture in the clamping state can be taken. The protrusion includes an upper surface of the rail and has a pressing portion that can press the upper surface of the rail with the clamping means.
The option member mounting structure according to claim 17, wherein the switching mechanism includes a cam portion that is provided on the rolling element and can move the pressing portion in a pressing operation direction. The mounting structure for an optional member according to claim 18, wherein the pressing surface and the engaging surface are close to each other by the pressing operation of the cam portion. 20. The option member mounting structure according to claim 19, wherein the switching mechanism is rotatably attached to the rolling element and has an operation lever provided with the cam portion at a base end portion. 21. The option member mounting structure according to claim 18, 19 or 20, wherein the cam portion is arranged at a center in a thickness direction of the rail. The engaging mechanism includes a retracting maintaining means having an interference member that interferes with the engaging member being positioned at the retracted position, and the switching mechanism is provided on the rolling element to press the pressing plate. It has a cam part that can be moved in the direction of
The optional member according to claim 18, 19, 20 or 21, wherein the cam portion is provided at a base end portion of an operation lever that is rotatably attached to the rolling element, and the interference member is attached to the operation lever. Mounting structure. The interference member can be locked in the locking hole on one end side in the rotation region of the operation lever and the switching mechanism can be in the released state, and the switching mechanism can be set in the clamping state on the other end side. The option member mounting structure according to claim 16. Claim 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19 that the optional member with desktop panel, The optional member mounting structure according to 20, 21, 22, or 23.

Images