JPH08218723A - Guide rail device of sliding door - Google Patents

Abstract

PURPOSE: To increase the detachablility of a cover body in a guide rail with the cover to easily remove dust or the like piled in the guide rail. CONSTITUTION: A bearing part 41 opened downward is formed in a cover body 4 and a shaft 52 fitted to the bearing part 41 is formed in a support member. The bearing part 41 of the cover body 4 and the shaft 52 of the support member are fitted to each other to rotatably connect the cover body 4 and the support member. The support member is fitted in a recess 32 formed in the guide rail body 3 to cover the guide groove 31 by the cover body 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a horizontal pull shutter,
The present invention relates to a guide rail device for a horizontal sliding door such as a sliding door, and more particularly to a guide rail device with a lid that closes a guide groove when the passage portion is opened.

[0002]

2. Description of the Related Art As a guide rail device for a horizontal sliding door of this kind, Japanese Utility Model Publication No. 28-6541 and Japanese Unexamined Patent Publication No. 3-295.
In Japanese Patent Laid-Open No. 994 and Japanese Patent Laid-Open No. 4-85476, when a door is opened, an opening of a guide rail laid on a passage surface or a floor surface is automatically closed to prevent dust and the like from entering the guide groove. A guide rail device for preventing is disclosed.

[0003]

In such a guide rail device with a lid, when dust or the like enters the connecting portion between the lid and the guide rail, there is a problem that the smooth opening / closing operation of the lid is hindered. However, in the case where the lid cannot be removed from the guide rail when removing dust and the like accumulated in the guide rail, the maintenance work is extremely troublesome.

On the other hand, Japanese Patent Laid-Open No. 3-295994 discloses a guide rail device of this type in which a lid can be attached to and detached from the guide rail. However, the lid is directly attached to the guide rail body. Since it is necessary to hit the lid body with a plastic hammer etc. to forcefully disengage the fitting between the lid body and the guide rail body, the removal work is extremely troublesome, and dust etc. can be easily removed. There were some difficulties, such as none.

[0005]

Means for Solving the Problems As a result of intensive studies for solving the above problems, the inventors of the present invention have found that a guide rail formed with a guide groove and a recess along the guide groove through a partition wall. It comprises a main body, a lid body having a bearing portion that opens downward at a side end, and a support member having a support protrusion having a shaft portion.The bearing portion of the lid body is fitted to the shaft portion of the support member. The lid and the support member are rotatably connected to each other, the support member is fitted into the recessed portion of the guide rail main body, and the guide groove of the guide rail main body is covered with the lid, thereby achieving the intended problem. It has been resolved.

Further, a weight portion is formed below the bearing portion of the lid body, and the weight portion of the lid body is inserted into a space formed between the support projection of the support member and the bottom surface. The horizontal locking portion formed on the inner upper end of the support member and the vertical locking portion formed on the outer end of the support member are detachably engaged with the recessed portion of the guide rail body to facilitate the attachment / detachment work of the lid body. The lid body is moved up and down smoothly to accurately cover the guide groove, and the close contact between the lid body and the opening of the guide rail main body is improved to enable long-term use.

The guide rail device of the present invention is provided with a pressing tool having a tapered inclined surface whose tip portion is located in the guide groove at the lower end on the moving side of the door body, and the pressing tool according to the movement of the door body. Contact the side of the lid to rotate the lid upward, and conversely actuate the door to the fixed side, and rotate the lid downward when the pressing tool and the lid are disengaged. It is something to move.

In carrying out the present invention, the weight portion of the lid body is formed by bending the bearing portion concentrically, and the surface of the upper portion of the support projection, which forms the void, is concentric with the shaft portion. The lid can be firmly supported without rattling by being curved and having a sliding contact surface that is in sliding contact with the inner peripheral surface of the weight portion of the lid.

In carrying out the present invention, the lower surface forming the void portion of the supporting member is formed by bending the shaft portion concentrically with the shaft portion,
Form a ridge on the outer wall inside the recess of the guide rail body,
By rotating the support member downward while the upper end of the vertical locking portion of the support member is in contact with the lower surface of the protrusion, the support member can be easily fitted into the recess.

In carrying out the present invention, the partition wall upper surface of the guide rail main body is made slightly lower than both outer side walls of the guide rail main body, the horizontal locking portion of the support member is engaged with the upper portion of the partition wall, and the overlapping portion is You may screw it.

In carrying out the present invention, the lid body and the lid body supporting member may be formed in a predetermined length in advance, and a plurality of them may be connected and used according to the length of the guide rail.

[0012]

According to the guide rail device for a sideways door of the present invention, the support member is detachably engaged with the recessed portion of the guide rail body, and the shaft portion formed on the support projection of the support member is provided with the cover member. Since the bearing portion that opens downward on the side is fitted, the support member can be easily removed from the guide rail main body, and the support member separated from the guide rail main body and the lid can be easily separated, Not only the guide rail main body and the support member, but also dust and the like that have entered the center of rotation of the lid can be easily removed.

Further, in the invention described in claim 2,
Since the weight portion is formed on the lower side of the lid body close to the bearing portion and is inserted into the void portion of the support member, the lid body pushed upward and the pressing tool of the door body can be engaged with each other. When it comes off, the lid smoothly descends due to the weight of the weight and completely covers the guide groove.

[0014]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The drawings show an example of a guide rail device for a sideways door according to the present invention. A guide rail 2 is laid on the road surface below the door body 1, and the lower end of the door body 1 is guided to the guide rail 2. It is possible to move. The guide rail 2 made of a molded aluminum material has a guide groove 31 opened upward.
Guide rail main body 3 in which the concave portion 32 and the concave portion 32 are integrally formed
And a lid body 4 capable of closing the opening of the guide groove 31, and a lid body supporting member 5 to which the lid body 4 is attached and which supports the rotation of the lid body 4.

The guide groove 31 and the concave portion 32 of the guide rail main body 3 are defined by a partition wall 34 formed lower than the outer wall 33. A stopper edge 35 protruding toward the inside of the recess 32 is formed at the upper end of the outer wall 33 on the side where the recess 32 is formed, and a protrusion 36 is formed at an intermediate position.

A guide projecting piece 11 is provided at an appropriate position on the lower end of the door body 1, and the guide projecting piece 11 fits into the guide groove 31 and moves in the guide groove 31 along the opening / closing direction of the door body 1. To do. At the lower end of the door striking end of the door body 1, the tip is a guide groove 3
1, a pressing tool 12 having a tapered inclined surface 13 continuous with the lower side wall of the door 1 is provided.

In this embodiment, the door body 1 is hung and moved by a hanger rail or the like installed at the upper edge of the door opening, but a roller or the like is provided below the door body 1, This roller may be used for rolling on the bottom surface of the guide groove 31.

The lid body 4 made of a molded aluminum material has a bearing portion 41 which is open downward to one side, and a weight portion 42 which is bent concentrically with the bearing portion 41 from a position inside the bearing portion 41.
And a protruding piece 43 is formed on the outer edge of the bearing portion 41. Further, a raised sealing material 44 is fixed to the lower surface of the rotating tip of the lid 4.

Support member 5 made of aluminum molding
A support projection 51 is provided at the center of the support projection 51 upward, and a shaft 52 that fits into the bearing 41 of the lid 4 is formed at the upper end of the support projection 51. A void portion 53 is formed between the support protrusion 51 and the bottom surface 58, and the weight portion 42 of the lid 4 is fitted into the void portion 53. The bottom surface 58 is formed by curving around the shaft portion 52, and a horizontal plate-shaped horizontal locking portion 54 is formed at the upper end portion of the bottom surface 58.

One side of the horizontal locking portion 54 extends along the upper surface of the partition wall 34 and engages with the upper surface of the partition wall 34 to be placed. Further, the horizontal locking portion 54 is provided with through holes 55 for the mounting screws 6 with a predetermined pitch. on the other hand,
The other side of the horizontal locking edge 54 projects into the void portion 53 and acts as a stopper for the protruding piece 45 formed at the tip of the weight portion 42 of the lid 4.

A vertical locking portion 56 is formed extending from the lower end of the support projection 51 to the outside, and the upper end and the lower end of the vertical locking portion 56 are projected on the outer wall 33. The lower surface of the strip 36 and the bottom surface of the recess 32 are fitted and engaged. The surface above the support protrusion 51 and forming the void 53,
The sliding contact surface 57 is formed by being bent concentrically with the shaft portion 52, and the sliding contact surface 57 is slidably contacted with the inner peripheral surface of the weight portion 42 of the lid body 4, so that the lid body 4 rotates without rattling. I support you so that you can.

In the guide rail device for a sideways door having the above structure, in order to assemble the lid body 4 to the guide rail body 3, the bearing portion 41 and the weight portion 42 of the lid body 4 are attached to the shaft of the support member 5. The support member 5 is made to match the portion 52 and the void 53, respectively.
The lid 4 is slid and fitted from the side end of the, and the lid 4 is rotatably attached to the support member 5.

Next, with the lid 4 rotated by the maximum angle with respect to the support member 5 and kept open, the lower edge of the protrusion 36 in the recess 32 of the guide rail body 3 installed on the road surface is attached. When rotating downward while applying the upper edge of the vertical locking portion 56 of the support member 5, the side surface of the vertical locking portion 56 rotates until it comes into contact with the outer wall 33 of the guide rail main body 3, and the support member 5 Is located in the recess 32. At this time, the protruding piece 43 of the lid body 4 is also located in the recess 32. And
The horizontal locking portion 5 of the support member 5 that engages with the upper portion of the partition wall 34
The screw 6 is inserted into the through hole 55 formed in the screw hole 4, and the screw 6 is screwed into a screw hole (not shown) formed in the upper surface of the partition wall 34 to fix the lid body supporting member 5 to the rail body portion 3. .

The guide rail 2 assembled in this way
In the state where the door is opened, the lid 4 closes the guide groove 31, and the lower surface of the lid 4 and the upper surface of the horizontal locking portion 54, the tip end surface of the weight portion 42, and the supporting protrusion of the supporting member 5. The lower side wall 51, the protruding piece 43 of the lid 4 and the stopper edge 35 of the guide rail main body 3 are in contact with each other to restrict downward rotation of the lid 4.

Along with the closing operation of the door body 1, the pressing tool 12 provided at the lower end of the door body 1 comes into contact with the lower surface side of the lid body 4, and the lid is moved along the inclined surface 13 of the pressing tool 12. The guide groove 31 is opened by rotating the body 4 upward. And the door body 1
The guide protrusion 11 can move along the guide groove 31.

The tip of the rotated lid body 4 is guided to the lower side surface of the door body 1 along the inclined surface 13 of the pressing tool 12, and is erected and held in contact with the lower side surface of the door body 1. At this time, the lid 4
Is in contact with the lower side surface of the door body 1 via the sealing material 44 provided at the rotating front end portion of the lid body 4, so that generation of abnormal noise and damage due to contact between the lid body 4 and the door body 1 are prevented. However, the airtightness is improved when the door body 1 is closed. The lid 4
Is a projecting piece 45 formed at the tip of the weight portion 42 and the supporting member 5.
The horizontal locking portion 54, the projecting piece 43 formed on the outer edge of the bearing 41, and the supporting projecting piece 51 of the support member 5 are rotatable until they come into contact with each other.

When the door body 1 is opened again, the lid body 4 which is in contact with the lower side surface of the door body 1 and stands up is released from the contact with the door body 1 and the weight portion 42 operates. Rotate downwards,
The guide groove 31 is closed. In addition, the weight portion 42 surely and smoothly rotates the lid body 4 rotated upward, and the lid body 4 is in close contact with the upper surface of the guide rail main body 3 without a gap to form the guide groove 3 and the guide groove 3. Dust and the like are prevented from entering the support member 5.

When removing dust and the like accumulated on the bottom surface 58 of the support member 5, the lid 4 is rotated upward so that the screw 6 to which the horizontal locking portion 54 of the support member 5 is fixed. Remove
Next, when the lid body 4 is further rotated outward together with the support member 5, the engagement between the vertical locking portion 56 and the protrusion 36 is released, and the lid body 4 and the support member 5 can be removed from the recess 32. it can. At this time, the dust and the like accumulated on the bottom surface 58 of the support member 5 can be easily removed without falling into the recess 32.

[0026]

According to the guide rail device for a sideways door of the present invention, since the lid can be easily attached and detached, maintenance work for removing dust and the like accumulated on the center of rotation of the lid becomes easy. It is possible to provide a highly durable guide rail device for a sideways door.

[Brief description of drawings]

FIG. 1 is a sectional view of a guide rail device for a sideways door according to the present invention.

FIG. 2 is a perspective view in which a part of a guide rail device for a sideways door of the present invention is cut away.

FIG. 3 is an exploded perspective view of a guide rail device for a sideways door according to the present invention.

FIG. 4 is a perspective view of a guide rail device for a sideways door of the present invention.

[Explanation of symbols]

 1 Door 2 Guide rail 3 Guide rail main body 4 Lid 5 Support member 31 Guide groove 32 Recessed part 34 Partition wall 41 Bearing part 42 Weight part 51 Support protrusion 52 Shaft part 53 Void part 54 Horizontal locking part 56 Vertical shape Locking part 58 Bottom

Claims (2)

[Claims] 1. A guide rail main body having a guide groove and a concave portion along the guide groove formed through a partition wall, a lid body having a bearing portion opening downward at a side end, and a support projection having a shaft portion. A support member formed with a cover member, the bearing portion of the lid body is fitted to the shaft portion of the support member to rotatably connect the lid body and the support member, and the support member is fitted to the recessed portion of the guide rail main body. A guide rail device for a sideways door, characterized in that the guide groove of the guide rail body is covered with a lid. 2. A weight portion is formed below the bearing portion of the lid body, and the weight portion of the lid body is inserted into a space formed between the support projection of the support member and the bottom surface. 2. The horizontal locking part formed on the inner upper end of the support member and the vertical locking part formed on the outer end of the support member are detachably engaged with the recessed part of the guide rail body. Guide rail device for sideways doors.