JP2890019B2 - Guide rail device for side door - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a horizontal 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 for closing a guide groove when a passage is opened.

[0002]

2. Description of the Related Art Japanese Patent Publication No. 28-6541, Japanese Unexamined Patent Publication No. 3-295 discloses a guide rail device for a horizontal sliding door of this kind.
No. 994 and Japanese Unexamined Patent Publication No. 4-85476 disclose that when a door is opened, an opening of a guide rail laid on a passage surface or a floor surface is automatically closed so that dust or the like enters 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 a smooth opening and closing operation of the lid is hindered. When removing dust and the like accumulated in the guide rail, the lid cannot be removed from the guide rail, and maintenance work is extremely troublesome.

On the other hand, Japanese Patent Application Laid-Open No. 3-295994 discloses a structure in which a lid can be attached to and detached from a guide rail in this type of guide rail device. Therefore, the lid must be beaten with a plastic hammer or the like to forcibly disengage the lid from the guide rail main body, and the removal work is extremely troublesome, and dust and the like can be easily removed. There were difficulties such as not.

[0005]

The present inventors have made intensive studies to solve such a problem, and as a result, have formed a guide groove and a recess along the guide groove via a partition wall. A main body, a lid formed with a bearing portion that opens downward at a side end, and a support member formed with a support protrusion having a shaft, the bearing of the lid is fitted to the shaft of the support member. The cover and the supporting member are rotatably connected to each other, and the supporting member is fitted into the concave portion of the guide rail main body, and the guide groove of the guide rail main body is covered with the lid, so that the intended problem is solved. It is a solution.

Further, a weight portion is formed below the vicinity of the bearing portion of the lid, and the weight portion of the lid is inserted into a gap 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 are detachably engaged with the concave portion of the guide rail body, thereby facilitating the attaching and detaching work of the lid. The lid is smoothly moved up and down to cover the guide groove accurately, and the adhesion between the lid and the opening of the guide rail body is enhanced to enable long-term use.

According to the guide rail device of the present invention, a pressing member having a tapered inclined surface having a tip located in the guide groove is provided at the lower end of the door body on the moving side, and the pressing member is moved with the movement of the door body. Abuts on the side of the lid to rotate the lid upward, and on the contrary, the door is operated to the fixed side, and when the engagement between the pressing tool and the lid is released, the lid is rotated downward. To move.

In carrying out the present invention, the weight of the lid is formed concentrically curved with the bearing, and the upper surface of the support projection and the surface forming the gap are concentric with the shaft. The lid can be firmly supported without rattling by forming a sliding contact surface that is curved and slidably contacts the inner peripheral surface of the weight portion of the lid.

In practicing the present invention, the lower surface of the support member, which defines the void, is formed by being curved concentrically with the shaft.
Form a ridge on the outer wall inside the recess of the guide rail body,
By rotating the support member downward with the upper end of the vertical locking portion of the support member in contact with the lower surface of the ridge, the support member can be easily fitted into the concave portion.

In practicing the present invention, the upper surface of the partition wall of the guide rail main body is made slightly lower than both outer 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 formed. Screws may be used.

In practicing the present invention, the lid and the lid support member may be formed to have predetermined lengths in advance, and a plurality of the lids and the lid support members may be used in series according to the length of the guide rail.

[0012]

According to the guide rail device of the horizontal sliding door of the present invention, the support member is detachably engaged with the concave portion of the guide rail main body, and the shaft of the support protrusion of the support member is provided with the cover member. Since the bearing 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 and the lid detached from the guide rail main body can be easily separated. In addition to the guide rail main body and the support member, it is possible to easily perform the work of removing dust or the like that has entered the center of rotation of the lid.

Further, in the invention according to claim 2,
A weight is formed on the lower side near the bearing of the lid, and this is inserted into the gap of the support member, so that the engagement between the lid pushed up and the pressing tool of the door is performed. When it comes off, the lid smoothly descends by its own weight of the weight portion to completely cover the guide groove.

[0014]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 shows an example of a guide rail device for a horizontal sliding door according to the present invention, in which a guide rail 2 is laid on a road surface or the like below a door 1 and a lower end of the door 1 is guided by the guide rail 2. Being able to move. The guide rail 2 made of an aluminum molding material has a guide groove 31 opened upward.
Guide rail body 3 integrally formed with recess 32
And a lid 4 capable of closing the opening of the guide groove 31 and a lid supporting member 5 to which the lid 4 is attached and which supports the rotation of the lid 4.

The guide groove 31 and the recess 32 of the guide rail body 3 are defined by a partition wall 34 formed lower than the outer wall 33. A stopper edge 35 protruding into 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 ridge 36 is formed at an intermediate position.

At the lower end of the door 1, a guide projection 11 is provided at an appropriate position. The guide projection 11 fits into the guide groove 31, and moves in the guide groove 31 in the opening and closing direction of the door 1. I do. At the lower end of the door stop end of the door body 1, the front end is provided with a guide groove 3.
1, a pressing tool 12 having a tapered inclined surface 13 that is continuous with the lower wall of the door body 1 is provided.

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

The lid 4 made of an aluminum molding material has a bearing portion 41 which opens downward on one side, and a weight portion 42 which is concentrically curved with the bearing portion 41 from the position inside the bearing portion 41.
And a projecting piece 43 is formed on the outer edge of the bearing portion 41. Further, a brushed sealing material 44 is fixed to the lower surface of the rotating tip of the lid 4.

Support member 5 made of aluminum molding material
A support protrusion 51 is provided to project upward from the center of the shaft, and a shaft portion 52 that fits into the bearing 41 of the lid 4 is formed at the upper end of the support protrusion 51. A gap 53 is formed between the support protrusion 51 and the bottom surface 58, and the weight 42 of the lid 4 is inserted into the gap 53. The bottom surface 58 is formed by bending around the shaft portion 52, and a horizontal locking portion 54 having a horizontal plate shape is formed at the upper end of the bottom surface 58.

One side of the horizontal locking portion 54 extends along the upper surface of the partition wall 34, and is engaged with and mounted on the upper surface of the partition wall 34. Further, through holes 55 for the mounting screws 6 are formed in the horizontal locking portion 54 at a predetermined pitch. on the other hand,
The other side of the horizontal locking edge 54 protrudes into the gap 53 and acts as a stopper for a protruding piece 45 formed at the tip of the weight 42 of the lid 4.

A vertical locking portion 56 is formed to extend outward from the lower end of the supporting projection 51, and the upper and lower ends of the vertical locking portion 56 project from the outer wall 33. The lower surface of the strip 36 and the lower surface of the recess 32 are fitted and engaged. The upper surface of the support projection 51 and the surface forming the gap 53 are
A sliding contact surface 57 is formed by being curved concentrically with the shaft portion 52, and the sliding contact surface 57 comes into sliding contact with the inner peripheral surface of the weight portion 42 of the lid 4, and the lid 4 rotates without rattling. I support it as much as I can.

In the guide rail device for a horizontal sliding door having the above-described structure, in order to assemble the lid 4 to the guide rail main body 3, the bearing 41 and the weight 42 of the lid 4 are connected to the shaft of the support member 5. The support member 5 is made to match the gap 52 and the gap 53 respectively.
The cover 4 is fitted by sliding the cover 4 from the side end of the support member 5 so as to be rotatable with respect to the support member 5.

Next, while the cover 4 is rotated by the maximum angle with respect to the support member 5 and kept open, the lower edge of the ridge 36 in the concave portion 32 of the guide rail body 3 installed on the road surface. When the support member 5 is rotated downward while applying the upper edge of the vertical engagement portion 56, the side surface of the vertical engagement portion 56 rotates until the side surface of the vertical engagement portion 56 contacts the outer wall 33 of the guide rail body 3. Is located in the recess 32. At this time, the projecting piece 43 of the lid 4 is also located in the recess 32. And
The horizontal locking portion 5 of the support member 5 engaging with the upper part of the partition wall 34
The screw 6 is inserted into the through hole 55 formed in the screw 4, and the screw 6 is screwed into a screw hole (not shown) formed in the upper surface of the partition wall 34, and the lid supporting member 5 is fixed to the rail body 3. .

The guide rail 2 thus assembled
In the state where the door is opened, the lid 4 closes the guide groove 31, the lower surface of the lid 4 and the upper surface of the horizontal locking portion 54, the distal end surface of the weight 42, and the support protrusion of the support member 5. The lower side wall 51, the projecting piece 43 of the lid 4, and the stopper edge 35 of the guide rail body 3 abut against each other to restrict the downward rotation of the lid 4.

With the closing operation of the door 1, the pressing tool 12 provided at the lower end of the front end of the door 1 abuts on the lower surface side of the lid 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 door 1
Guide protrusion 11 can be moved along the guide groove 31.

The tip of the pivoted lid 4 is guided to the lower surface of the door 1 along the inclined surface 13 of the pressing tool 12 and is held upright in contact with the lower surface of the door 1. At this time, the lid 4
Is in contact with the lower surface of the door 1 via the sealing member 44 provided at the pivotal tip of the lid 4, thereby preventing the generation and damage of abnormal noise due to the contact between the lid 4 and the door 1. In addition, the airtightness when the door 1 is closed is improved. The lid 4
The protruding piece 45 formed at the tip of the weight 42 and the supporting member 5
, And can be rotated until the projecting piece 43 formed on the outer edge of the bearing 41 and the supporting projecting piece 51 of the support member 5 come into contact with each other.

Then, when the door 1 is opened again, the lid 4 which has been in contact with the lower surface of the door 1 and stands upright is released from the contact with the door 1 and the weight 42 acts. Pivot down,
Close the guide groove 31. The weight portion 42 ensures that the upward rotation of the lid 4 is reliably and smoothly turned downward, and the lid 4 is tightly attached to the upper surface of the guide rail main body 3 without any gap, so that the guide groove 3 and the 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 cover 4 is rotated upward to remove the screw 6 fixing the horizontal locking portion 54 of the support member 5. Remove
Next, when the lid 4 is further rotated outward together with the support member 5, the engagement between the vertical locking portion 56 and the ridge 36 is released, and the lid 4 and the support member 5 are removed from the recess 32. it can. At this time, dust and the like deposited 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 horizontal sliding door of the present invention, the lid can be easily attached and detached, so that maintenance work for removing dust and the like deposited on the center of rotation of the lid becomes easy. A highly durable guide rail device for a horizontal sliding door can be provided.

[Brief description of the drawings]

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

FIG. 2 is a perspective view of the guide rail device of the horizontal sliding door according to the present invention, with a part thereof cut away.

FIG. 3 is an exploded perspective view of the guide rail device of the horizontal sliding door of the present invention.

FIG. 4 is a perspective view of a guide rail device of the horizontal sliding door of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Door body 2 Guide rail 3 Guide rail main body 4 Lid 5 Support member 31 Guide groove 32 Depressed part 34 Partition wall 41 Bearing part 42 Weight part 51 Support projection 52 Shaft part 53 Gap part 54 Horizontal locking part 56 Vertical Locking part 58 Bottom

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-4-85476 (JP, A) JP-A-3-295994 (JP, A) JP-A-8-135348 (JP, A) 11782 (JP, U) Jiko 28-6541 (JP, Y1) (58) Field surveyed (Int. Cl. ⁶ , DB name) E05D 15/06 124

Claims (2)

(57) [Claims] 1. A guide rail body having a guide groove and a recess along the guide groove formed through a partition, a lid body having a bearing portion that opens downward at a side end, and a support protrusion having a shaft portion. The bearing of the cover is fitted to the shaft of the support member, the cover and the support member are rotatably connected, and the support member is fitted to the recess of the guide rail body. A guide rail device for a horizontal sliding door, wherein the guide groove of the guide rail body is covered with a lid. 2. A weight portion is formed below the bearing in the vicinity of the bearing portion of the lid, and the weight portion of the lid is inserted into a gap formed between the support protrusion 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 are detachably engaged with the concave portion of the guide rail body. Guide rail device for horizontal sliding door.