JPH0747581Y2 - Switchgear - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention allows a plurality of doors to run on upper and lower rails in the longitudinal direction thereof and to open and pivot in a direction substantially orthogonal to the rail length direction. More specifically, it relates to a technique for increasing the strength of protectors attached to the upper and lower end surfaces of the door body.

[Prior Art] Conventionally, in an opening / closing device in which a plurality of door bodies are traveled on upper and lower rails in the length direction thereof and are rotatably built in a direction substantially orthogonal to the rail length direction, When the protectors are attached to the upper and lower end faces of the rail so as to extend outward, and the door is opened and rotated in a direction substantially orthogonal to the rail length direction, the protectors are brought into contact with the adjacent doors It avoids surface contact with each other and prevents the surface of the door from being scratched.

[Problems to be solved by the invention] By the way, as shown in FIG.
The protector P was brought into contact with the end surface S of the door body 3 and attached with the screw B. However, in the case where the protector P is attached with the screw B, the impact when the protector P comes into contact with the adjacent door body 3 is directly applied to the screw B, and a large-diameter screw B is required to increase the strength of the protector P. age,
Further, there is a problem that the screw B may be loosened due to the impact.

The present invention has been made in view of such problems,
The purpose of the protector is to increase the strength of the protector sufficiently, avoid the impact of the protector on a fixture such as a screw that mounts the protector, and prevent the fixture from accidentally coming off. It is to provide an opening / closing device that can maintain the above function for a long time.

[Means for Solving the Problem] The opening / closing device of the present invention constitutes a traveling member including a runner 12, a holder 41, a cylinder shaft 17, a vertical axis 6, a pinion gear 11, a pivot 20, and the like, and The upper and lower hinges 15 and 16 of the substantially L-shape for supporting the traveling member are attached to the upper and lower end surfaces S of the door body 3 while being attached to the upper and lower corners of the door body 3. The protector P is attached by inserting the ridge 32 into the recessed groove 31 and inserting the protrusion 32 into the recessed groove 31.
Both the horizontal piece portions of the lower hinge 16 and the lower hinge 16 are covered.

[Operation] As described above, by fitting the protrusion 32 on the protector P side into the concave groove 31 on the door body 3 side and attaching the protector P to the end surface S, the load on the protector P is applied via the protrusion 32 to the door. It can be received by the side wall of the recessed groove 31 of the body 3, and the support strength of the protector P can be sufficiently increased. As in the conventional case, a load is applied to the screw for mounting the protector P, and the protector P is loosened to loosen the protector P. The function of the protector P is maintained for a long period of time without accidental disengagement.

Then, both lateral piece portions of the upper hinge 15 and the lower hinge 16 are covered and protected by the protector P to prevent external objects from hitting and being damaged, and both the upper hinge 15 and the lower hinge 16 are protected. Since the lateral outer part cannot be exposed from the outside, it has a good appearance.

Embodiment An embodiment of the present invention will be described in detail below with reference to the drawings.

As shown in FIG. 2, the upper rail 1 is formed in the shape of a channel with a lip, and is attached to the upper end of the opening of the furniture 5 with a fixture such as a screw. The lower rail 2 is also in the form of a channel with a lip, is fixed to the lower end of the furniture 5, and a plurality of door bodies 3 are built in the upper rail 1 and the lower rail 2 so as to be freely movable. The doors 3 are arranged in a straight line along the upper and lower rails 1 and 2 so that adjacent ones abut each other so that the front opening of the furniture 5 can be closed. In such a closed state, the adjacent door bodies 3 and 3 may be, for example, fitted in a concavo-convex so that no gap is generated between the door bodies 3 and 3. The door body 3 is opened by swinging the upper and lower rails 1 and 2 so as to be substantially orthogonal to the rail length direction, and the door body 3 ... Swung and rotated in such an open state is, for example, the upper and lower rails 1. , 2 are gathered at one end so that the front opening of the furniture 5 can be opened wide. The swing rotation structure will be described below.

As shown in FIG. 2, the upper rail 1 is divided into a rack and pinion chamber 8 extending over the entire length and a runner chamber 9 below the lower rail 2, and only the rack and pinion chamber 8 is formed on the lower rail 2 over the entire length. . Rack and pinion chamber 8 for upper and lower rails 1 and 2
A rack gear 10 is provided along the vertical wall on one side over the entire length of the upper and lower rails 1. A rack gear 10 provided in the rack and pinion chamber 8 of the upper and lower rails 1 is provided on the side of the door body 3 and engages with each of the horizontally rotating pinion gears 11 and is vertically rotatable around the horizontal axis 40 on the side of the door body 3 The runner 12 provided on the upper rail 1 is rotatably mounted on the runner receiving surface 13 of the upper surface of the lip pieces 1a, 1a of the upper rail 1, and the rack gear 10 and the pinion gear 11 mesh with each other when the door body 3 travels. The runner 12 rolls on the runner receiving surface 13 while maintaining the meshed state. Then, when the door bodies 3, 3 are released from contact with each other and the door body 3 is in a travelable state, the door body 3 is opened and rotated with the vertical axis 6 holding the pinion gear 11 as a rotation axis. You can do it.

An upper hinge 15 is attached to the upper end of the door body 3, and a lower hinge 16 is attached to the lower end of the door body 3. From the holder 41 that holds the four runners 12 to the cylindrical screw cylinder shaft
17 is hung down, the upper vertical axis 6 holding the upper pinion gear 11 is rotatably inserted inside the cylindrical screw shaft 17, and the screw cylindrical shaft 17 is screwed into the screw hole of the upper hinge 15 and By rotating the screwing depth with the spanner 33 and changing it, the gap between the door body 3 and the upper rail 1 can be changed and adjusted. The lower hinge 16 rotatably holds the lower pinion gear 11 via an adjusting plate 34 on the lower vertical axis 6 that holds the lower pinion gear 11. Then, the load of the door body 3 is applied to the runner 12 via the upper hinge 15, and the load is received by the upper rail 1 so that the load of the door body 3 is not applied to the meshing portion of the pinion gear 11 and the rack gear 10. is there.

The upper vertical axis 6, the middle vertical axis 6 and the lower vertical axis 6 are joints 19 respectively.
Are connected and integrated with each other, and the pivot 20 is on the vertical axis 6 below.
Are attached so as to be rotatable relative to each other, and the left and right lip pieces 2a, 2a of the lower rail 2 are fitted with the left and right running grooves 20a, 20a of the pivot 20 to guide the running of the door body 3. Then, a spring 43 is interposed between the spring receiver 57 of the vertical axis 6 and the adjusting plate 34, and the loads of the upper, middle and lower vertical axes 6 and the like are received by the spring 43, and these loads are on the lower rail 2 side. The rack gear 10 and the pinion gear 11 are prevented from being engaged with each other, and the lower end of the vertical axis 6 does not contact the groove bottom of the lower rail 2. Further, the upper hinge 15 and the lower hinge 16 are attached to the door body 3 with screws 35, and a fork-shaped rotation stopper 36 is inserted into the corner surface portion 37 of the screw cylinder shaft 17 on the upper hinge 15 to form a screw cylinder shaft.
It is attached with screws 51 together with the door stop 38 while trying to prevent the rotation of 17. Further, a door stop 38 is attached to the lower hinge 16 by a screw 51.

The lower hinge 16 and the adjusting plate 34 can change their relative positions in the longitudinal direction of the door body 3 by loosening and tightening the adjusting bolt 53 within the range of the long hole 52. Then, while maintaining the meshing state of the upper and lower pinion gears 11 and the rack gear 10, loosen the adjustment bolt 53 screwed into the screw hole 58 of the adjustment plate 34 with a tool such as a spanner to move the door body 3. By moving the lower hinge 16 integrated with the door body 3 relative to the adjustment plate 34, the lower end portion of the door body 3 is shaken and the adjacent door body 3 is moved.
The joint width can be adjusted so as to be substantially equal in the entire vertical length of the door 3.

A concave groove 31 is formed on the upper and lower end surfaces S of the door body 3. Then, the protrusion 32 is formed on the protector P which is attached to the end surface S of the door body 3 so as to extend outward and is brought into contact with the adjacent door body 3 which is opened and rotated in a direction substantially orthogonal to the rail length direction. is there. Then, the protrusion 32 is fitted into the concave groove 31, and the protector P is attached to the door body 3 with the screw 55 in the attachment hole 54. A notch 56 is formed at the end of the upper protector P, and a detent 36 is inserted in the notch 56. Further, a through hole 59 is formed in the lower protector P, and the adjusting bolt 53 is loosely inserted in this through hole 59. The upper and lower hinges 15 and 16 are also inserted in the groove 31.

In the embodiment, the present invention is applied to the device for opening and closing the front opening of the furniture 5, but it may be applied to a partition.

[Effects of the Invention] In summary, according to the present invention, since the protector-side protrusion is fitted into the door-side recessed groove and the protector is attached to the end face, the load on the protector is applied through the protrusion to the door-shaped recessed groove. It can be received on the side wall of the protector, the support strength of the protector can be sufficiently increased, the screw for mounting the protector is loaded like the conventional, and the protector does not accidentally come off by loosening it. The function of the protector can be maintained for a long period of time, and both side pieces of the upper hinge and the lower hinge are covered and protected by the protector to prevent external objects from hitting and damaging the upper hinge and the lower hinge. Since both lateral piece portions of the hinge cannot be exposed from the outside, there is an advantage that the appearance can be well maintained.

[Brief description of drawings]

1 (a) and 1 (b) are explanatory views for explaining an open / closed state of an embodiment of the present invention, FIG. 2 is a sectional view of the same as above, FIG. 3 is an exploded perspective view of an upper portion of the same, and FIG. Is a cross-sectional view of the same as above, FIG. 5 is an exploded perspective view of the lower portion of the same, FIG. 6 is a cross-sectional view of the same as above, and FIGS. 7 (a) (b) (c).
Is a plan view, side view and enlarged sectional view of the same protector, FIG. 8 is a sectional view of a conventional example, 1 is an upper rail, 2
Is a lower rail, 3 is a door, 6 is a vertical axis, 11 is a pinion gear,
12 is a runner, 15 is an upper hinge, 16 is a lower hinge, 17 is a cylinder shaft, 20 is a pivot, 31 is a groove, 32 is a ridge, 41 is a holder,
P is a protector and S is an end face.

Claims (1)

[Scope of utility model registration request] 1. A running member comprising a runner, a holder, a cylinder shaft, a vertical axis, a pinion gear, a pivot, etc., which is attached to the upper and lower corners of the door body and supports the running member. Both side pieces of the substantially L-shaped upper and lower hinges for insertion are inserted into the concave grooves formed in the upper and lower end surfaces of the door body, and the protrusions are fitted in the concave grooves to protect the protector. An opening / closing device having a protector attached to both side pieces of the upper hinge and the lower hinge.