JP3245490B2 - Hanging door guide device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a suspension door main body which is suspended and held on an upper rail via a runner so as to run freely, and a guide pin provided on a floor surface so as to protrude and retract by magnetic force. The present invention relates to a guide device for a suspension door that is inserted into a traveling groove formed on a lower end surface thereof in a protruding state to perform a traveling guide, and more particularly to a technique for surely holding a state in which a guide pin protrudes from a floor surface. is there.

[0002]

2. Description of the Related Art Conventionally, Japanese Utility Model Laid-Open No. 4-56883 shown in FIG.
As shown in the publication, the suspension door body 3 is suspended and held on the upper rail via a runner so as to run freely, and a guide pin 4 provided on the floor surface so as to protrude and retract by magnetic force is provided at the lower end surface of the suspension door body 3. In the guide device of the suspension door which is inserted into the traveling groove 5 formed in the protruding state to perform the traveling guide, the guide pin 4 projecting from the floor surface is like an iron plate provided along the suspension door main body 3 side. The guide pins 4 are slidably and magnetically held on the plate-shaped magnetic body X while the suspension door body 3 is traveling, so that the projected state of the guide pins 4 is maintained. It is.

[0003]

However, in such a configuration, the guide pin 4 is slidably held by the plate-shaped magnetic body X, so that the main body of the suspension door is running or stopped. Guide pin 4 due to shaking or vibration of 3
Is disengaged from the magnetic body X, and the guide pin 4 easily descends below the floor surface by its own weight. For this reason, conventionally, the magnetic attaching means Y for maintaining the protruding state inside the guide pin 4 is conventionally provided. As described above, the configuration of the magnetic attaching means Y inside the guide pin 4 is complicated, and the working force for holding the guide pin 4 in a protruding state is weak. there were. Incidentally, the magnetic attaching means Y is composed of a permanent magnet provided on the guide pin 4 side and a permanent magnet provided on the outer cylinder 12 on the fixed side.

An object of the present invention is to solve such a problem. It is an object of the present invention to mechanically hold a guide pin and to reliably and strongly hold the guide pin in a protruding state. It is another object of the present invention to provide a suspension door guide device that can simplify the configuration of the guide pin.

[0005]

In the guide apparatus for a suspension door according to the present invention, a suspension door body 3 is suspended and held on an upper rail 1 via a runner 2 so that the suspension door body 3 can protrude and retract by a magnetic force on a floor surface. And a guide pin 4 provided on the lower end surface of the hanging door body 3 is inserted into the running groove 5 in a protruding state so as to guide the running, and the outer periphery of the upper end of the guide pin 4 is provided. A locking groove 4a is formed on the surface, and the length of the running groove 5 is
In the locking groove 4a on the side of the hanging door body 3 in the middle part of the
A pair of locking guide pieces 1 to be freely engaged and disengaged
3 and 13 are provided facing each other, and between the locking guides 13 and 13 pieces.
Is larger than the neck portion forming the locking groove 4a.
It is characterized in that it is made smaller than the upper and lower large diameter portions of the stop groove 4a .

Further, a magnet 7 for suction is provided on the hanging door body 3, a magnet 6 is provided on an upper end of the guide pin 4, and a guide pin is provided between the magnet 7 for suction and the locking guide pieces 13. 4 is provided with an inclined guide 8 which is inclined so as to be magnetically held and so as to be further away from the attraction magnet 7. Further, a magnet for suction 7 is provided on the hanging door body 3, a magnet 6 is provided on an upper end portion of the guide pin 4, and the bottom surface of the magnet for suction 7 becomes higher as the side end of the hanging door body 3 becomes farther away. It is characterized in that an inclined guide 8 formed obliquely is formed.

[0007]

The guide pin 4 protruding from the floor surface is introduced and held between the pair of locking guide pieces 13 provided on the side of the hanging door body 3 in the locking groove 4a. Since the protruding guide pin 4 is mechanically held, it is securely and strongly held, so that it does not unexpectedly descend. In addition, there is no need for a magnetic attaching means for projecting and holding the guide pin 4 such that a pair of permanent magnets are provided on the guide pin 4 side, and the configuration of the guide pin 4 is simplified.

Further, the guide pin 4 sunk under the floor is magnetically attached and floated, and the guide pin 4 is gradually pulled up by the inclined guide 8, and the locking guide piece 13,
13 is introduced. The guide pin 4 is engaged with the locking guide piece 13,
13 well introduced. Further, the guide pin 4 is gradually pulled up by the magnetic force by the attraction magnet 7 having a slanted bottom surface, and the guide pin 4 is thus held by the locking guide pieces 13 and 1.
The structure of the inclined guide 8 for introducing the magnet 3 into the magnet 7
To simplify.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
2 are attached, and these runners 2
The suspension door main body 3 is movably inserted into the upper rail 1 having a U-shaped cross-section and provided with a zero. Guide pins 4 are provided on the floor 11 at appropriate intervals so as to be able to protrude and retreat by magnetic force. And the hanging door body 3
Rail body 14 using channel material
Are inserted, and the inside of the rail body 14 is formed as the running groove 5. Attraction portions 7 are provided at front and rear portions of the traveling groove 5 of the suspension door body 3. When the suspension door body 3 travels in the closing direction, the guide pin 4 sunk under the floor is magnetically attracted by the attraction magnet 7 and pulled up, and the guide pin 4 travels on the lower end face of the suspension door body 3. A pair of locking guide pieces 1, which enter the groove 5 and are formed on both sides of the rail body 14 in such a squeezed state.
The running guides 3 and 13 are mechanically maintained so that the running guide can be performed.

[0010] The guide pin 4 is an outer cylinder 1 embedded under the floor.
The magnet 6 is attached to the tip of the guide pin 4 so as to be vertically movable with respect to the guide pin 4. The magnet 6 provided at the tip of the guide pin 4 has the other pole of the attracting magnet 7 having a different magnetic pole and the same polarity as the magnet 6 on the guide pin 4 side, and the guide pin 4 is retreated below the floor surface. The magnet portion 9 for repulsion is made. On both sides of the attraction magnet 7, an inclined guide 8 made of a magnetic material such as an iron plate is formed.

An engaging groove 4a is formed in the outer peripheral surface of the upper end of the guide pin 4.
Is formed, and a pair of locking guide pieces 13, 13 are slidably engaged with the locking groove 4a on the side of the hanging door body 3, so that the projected state of the guide pin 4 can be maintained in the engaged state. It is. When the suspension door body 3 travels in the closing direction, the guide pins 4 that unexpectedly protrude from the floor surface are pressed down below the floor surface by the repulsion magnet portion 9 and then pressed down below the floor surface. The guide pin 4 is magnetically magnetized by the attraction magnet 7 via the magnet 6 at the upper end thereof, and is pulled up so that the guide pin 4 becomes gradually higher. Then, the locking groove 4a of the guide pin 4 is pulled up by a pair of locking guide pieces 13,13. The guide pin 4 is mechanically held by being interposed therebetween, and the hanging door body 3 is guided and traveled by the guide pin 4. When the guide pin 4 reaches the end of the running groove 5, the locking guide piece 13,
13, the guide pin 4 escapes, and the guide pin 4
The upper end magnet 6 is magnetically attached to the inclined guide 8, the guide pin 4 is pushed down by the gradually descending inclined guide 8, and finally the guide pin 4 is completely removed by the repulsion magnet 9. It is pushed down inside.

In such a case, when there is a possibility that dust may enter between the guide pin 4 and the outer cylinder 12 and hinder the movement of the guide pin 4, the guide pin 4 may be easily pulled out to enter the dust. Can be easily removed for maintenance. Hereinafter, the configuration will be described in detail. An outer cylinder 12 is buried under the floor so as to be prevented from coming off via a locking projection 18 on the outer periphery. Flange 19 is provided on the upper peripheral portion of outer cylinder 12.
Is formed, and the insertion depth of the outer cylinder 12 is determined by bringing the flange 19 into contact with the floor surface 11. Inside the outer cylinder 12, a cylindrical intermediate spacer 16 that is sufficiently shorter than the outer cylinder 12 is inserted into a large-diameter portion 23 having an increased inner diameter so as to be freely inserted into and removed from the outer cylinder 12. The inside diameters are almost equal. The guide pin 4 is inserted into the intermediate spacer 16 and the outer cylinder 12 so as to be able to move up and down. At the upper end of the intermediate spacer 16, a flange 17 for pulling out extends to the peripheral portion, and the flange 17 is overlapped with the flange 19 of the outer cylinder 12. Further, a pin 20 is fixed to the guide pin 4, and the pin 20 is inserted into a long hole 21 formed in the intermediate spacer 16. If dust is clogged between the outer cylinder 12 and the guide pin 4, the plate-shaped jig 22 is moved to the flange 1 of the intermediate spacer 16.
The intermediate spacer 16 is inserted between the flange 7 and the flange 19 of the outer cylinder 12 and lifted, and the intermediate spacer 16 is pulled upward. In such a case, the lower end of the long hole 21 comes into contact with the pin 20 so that the guide pin 4 can be pulled out from the outer cylinder 12.

As described above, the outer cylinder 12 is embedded below the floor surface, and the cylindrical intermediate spacer 16 which is sufficiently shorter than the outer cylinder 12 is inserted into the outer cylinder 12 so as to be freely inserted and removed. The guide pin 4 is inserted into the cylinder 12 so as to be able to move up and down, and the flange 17 for removal is extended to the upper end of the intermediate spacer 16 so that dust enters between the guide pin 4 and the outer cylinder 12. When the movement of the guide pin 4 is hindered, the intermediate spacer 16 is easily removed by, for example, inserting a plate-like removal jig 22 into the lower surface of the flange 17 of the intermediate spacer 16. By removing the intermediate spacer 16, flexibility is provided between the guide pin 4 and the outer cylinder 12, and the guide pin 4 is pulled out of the outer cylinder 12 to easily remove dust inside. The removal of the intermediate spacer 16 is performed by using the jig 22.

A locking claw 29 is provided at the lower end of the intermediate spacer 16.
Are provided so that they can be elastically displaced.
The intermediate spacer 16 is prevented from unexpectedly ascending by engaging with the recess 30 in a detachable manner. The locking claws 29 may not be provided. FIG. 6 is an exploded perspective view, in which a flange 18 is formed at a position corresponding to an intermediate portion of the inclined guide 8 at substantially the same level as the locking guide pieces 13, 13 so as to face each other. Guide pin 4 worn
The locking groove 4a is held between the pair of flanges 18 and 18 so as to smoothly move to the locking guide pieces 13 and 13. In such a case, an introduction guide is formed at the start ends of the flanges 18 and 18 so as to increase the interval toward the start end.
Can be more easily held. In such a case, the pair of flanges 18 may be inclined substantially parallel to the inclination guide 8.

FIG. 7 shows another embodiment in which the bottom surface of the attraction magnet 7 provided on the hanging door main body 3 is inclined and inclined so as to be more distant from the side end of the hanging door main body 3. A guide 8 is formed, and a pair of locking guide pieces 13 are formed at the end of the inclined guide 8. Thus, the configuration of the inclined guide 8 is simplified by using the attraction magnet 7.

The shape and shape of the locking guide pieces 13, 13
The shape and form of the inclined guide 8 can be variously changed.

[0017]

According to the present invention, as described above, the locking groove is formed on the outer peripheral surface of the upper end portion of the guide pin, and the locking groove is formed in the longitudinal direction of the running groove.
The sliding door is slidably engaged with the locking groove on the side of the suspension door
A pair of locking guide pieces that enter and leave are provided facing each other,
The spacing between the locking guide pieces is larger than the neck part forming the locking groove
Since it is large and smaller than the upper and lower large diameter portions of the locking groove, the guide pin projecting from the floor surface is introduced between the pair of locking guide pieces provided on the hanging door body side in the locking groove. The guide pin which is held and protruded is mechanically held, securely and strongly holds the guide pin, does not fall down unexpectedly, and has a pair of permanent magnets on the guide pin side. There is an advantage that the magnetic attaching means for holding the pins in a protruding state can be eliminated, and the configuration of the guide pins can be simplified.

Further, a magnet for suction is provided on the suspension door body,
A magnet is provided at the upper end of the guide pin, and between the attraction magnet and the locking guide piece, an inclined guide is formed to hold the guide pin magnetically and to be inclined upward so as to be away from the attraction magnet. Because it is provided, the guide pin sinking below the floor is magnetically attached and floated, and the guide pin can be gradually pulled up by the inclined guide and introduced into the locking guide piece. There is an advantage that the guide pin can be satisfactorily introduced into the locking guide piece.

Also, a magnet for suction is provided on the suspension door body,
A magnet is provided at the upper end of the guide pin, and the bottom surface of the attraction magnet is formed obliquely so that the bottom surface of the attraction magnet is further away from the side end of the hanging door body, and the inclined guide is formed. There is an advantage that the structure for gradually pulling up the guide pin with the attracting magnet by the magnetic force and introducing the guide pin into the locking guide piece can be simplified using the attracting magnet.

[Brief description of the drawings]

FIG. 1 shows a schematic explanatory view of one embodiment of the present invention, wherein (a)
Is a schematic cross-sectional view of a state where the guide pin reaches the starting end of the locking guide piece, (b) is a cross-sectional view of a state where the guide pin is locked to the locking guide piece, and (c) is a state where the guide pin is below the floor surface. (D) is a schematic sectional view showing the whole.

2A and 2B show the same inclined guide, and FIG.
(B) is a bottom view, (c) is a right side view, and (d) is a left side view.

FIG. 3 shows a guide pin of the above, (a) is a front view,
(B) is a sectional view.

FIG. 4 is a cross-sectional view showing a state where the guide pin is pulled up together with an intermediate spacer.

5A is an exploded perspective view of a guide pin, FIG. 5B is a schematic sectional view, and FIG. 5C is a perspective view showing a locking guide piece.

FIG. 6 is an exploded perspective view of the same.

FIG. 7 is a schematic explanatory view of another embodiment of the above.

8A and 8B show a conventional example, in which FIG. 8A is a schematic cross-sectional view showing a state in which a guide pin reaches a starting end of a locking guide piece, and FIG. 8B is a cross-sectional view showing a state in which the guide pin is locked to the locking guide piece. Figure,
(C) is a cross-sectional view of a state where the guide pins are lowered below the floor surface.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Upper rail 2 Runner 3 Hanging door main body 4 Guide pin 4a Locking groove 6 Magnet 7 Suction magnet 13 Locking guide piece

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Susumu Yamauchi 1048 Kadoma Kadoma, Osaka Prefecture Matsushita Electric Works, Ltd. References JP-A-4-297687 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) E05F 7/04 E05D 13/00 E05D 15/06 101

Claims (3)

(57) [Claims] 1. A hanging door main body is suspended and held on an upper rail via a runner so as to run freely, and a guide pin provided on a floor surface so as to protrude and retract by magnetic force is formed on a lower end surface of the hanging door main body. A guide device for a suspension door, which is inserted into a running groove in a protruding state to perform a running guide, wherein a locking groove is formed on an outer peripheral surface of an upper end portion of a guide pin, and an intermediate portion in a longitudinal direction of the running groove.
Slidably engages with the locking groove on the side of the hanging door body
A pair of locking guide pieces that are separated from each other
The distance between the guide pieces is larger than the neck part that forms the locking groove
A guide device for a hanging door, wherein the guide groove is smaller than the upper and lower large-diameter portions of the locking groove . 2. A magnet for suction is provided on the suspension door body, a magnet is provided on an upper end of the guide pin, and the guide pin is magnetically attached and held between the magnet for suction and the locking guide piece. The guide device for a suspension door according to claim 1, further comprising an inclined guide that is inclined so as to be higher as the distance from the magnet increases. 3. A magnet for suction is provided on the hanging door main body, a magnet is provided on the upper end of the guide pin, and the magnet is inclined so that the bottom surface of the attracting magnet becomes higher as being away from the side end of the hanging door main body. The guide apparatus for a suspension door according to claim 1, wherein an inclined guide is formed.