JPH0960404A - Intertruss bracing guide rail - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent foreign matter from entering an intertruss bracing guide rail for maintaining the smooth opening and closing of a door. SOLUTION: The first, second and third fixed covers 11, 14, 16 are fitted and fixed at prescribed intervals between guide frames 23, 24. The first movable cover 13 consisting of an upper cover 19 and a lower cover 20 is vertically movably arranged between the first and the second fixed cover 11, 14, and a plate spring 12 is fixed to its lower end. Similarly, the second movable cover 15 consisting of an upper cover 21 and a lower cover 22 is vertically movably arranged between the second and the third fixed cover 14, 16, and a plurality of plate springs 12 is fixed to the lower end of the cover 15.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a steady rest guide rail for preventing swing of a sliding door.

[0002]

2. Description of the Related Art A sliding door is composed of a fixed door and a movable door, and the movable door has an upper portion slidably supported.
At its lower end, a steady rest piece is projected. Below the movable door, a steady rest guide rail for preventing the movable door from swinging is provided along the sliding direction. The steady rests are held by the steady rest guide rails to guide the movable door in the sliding direction and prevent swinging in the direction orthogonal to the sliding direction. Therefore, the movable door is stably opened and closed by the cooperation of the steady rest and the steady rest guide rail.

[0003]

However, when the movable door slides, the groove of the guide rail remains open. In this state, foreign matter such as pebbles and dust may enter the groove of the guide rail due to people coming and going. Then, when foreign matter is accumulated in the groove, there is a problem that a steadying piece protruding from the lower end of the door is caught by the foreign matter, which hinders opening and closing of the door.

The present invention has been made to solve the above problems, and its purpose is to prevent foreign matter from entering the steady rest guide rails and to maintain smooth opening and closing of the door. Is to provide rails.

[0005]

In order to achieve the above object, in the invention of the steady rest guide rail according to claim 1, when the slide type door is opened and closed, the steady rest piece provided at the lower end is guided. In addition, in the steady rest guide rail for preventing the slide type door from swinging, a vertically movable lid member is provided at a position covering the groove of the guide rail.

According to a second aspect of the present invention, in the steady rest guide rail according to the first aspect, the lid member is always biased upward by the biasing means. According to a third aspect of the invention, in the steady rest guide rail according to the first or second aspect, the lid member is provided in a range where the steady rest piece moves.

In the invention described in claim 4, claims 1 to 3 are provided.
The steady rest guide rail according to any one of claims 1 to 5, which is formed to be capable of projecting and retracting from the lower end of the slide type door, and of a lock piece for projecting and locking in the guide rail when the door is at a closed position. The lid member is provided below.

Therefore, according to the invention of claim 1,
The groove of the steady rest guide rail is covered by a lid member that can move up and down. Therefore, foreign matters such as pebbles and dust do not enter the groove of the steady rest guide rail.

According to the second aspect of the present invention, since the lid member is constantly urged upward, the lid member moves upward and the guide rail moves at a position where the steady rest of the lower end of the sliding door is not located. The groove is covered. Further, the lid member is pressed downward at the position where the steady rest is located.

According to the third aspect of the present invention, the cover member is arranged only in the range where the steady rest moves, so that the fixed cover member is arranged in the other range. Then, foreign matter can be reliably prevented from entering in the range where the fixed lid member is provided.

According to the fourth aspect of the present invention, the lid member is provided at a position corresponding to the lock piece of the door, covers the groove of the steady rest guide rail, and prevents foreign matter from entering. Further, when the door is locked, the lid member is arranged at the lower position.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described in detail below with reference to FIGS. As shown in FIG. 1A, an upper frame 6 for suspending and supporting the movable door 1 and a pair of left and right side frames 7, 8 are fixed to a wall for mounting the movable door 1 and the fixed door 2, respectively. . The fixed door 2 is formed by fixing the plate glass 3b to the right half of the upper frame 6 and the side frame 8.

The movable door 1 has a plate glass 3a fixed between an upper frame 4 and a lower frame 5. As shown in FIG. 4, a support portion 27 for supporting the steadying piece 9 is fitted and fixed to the lower portion of the lower frame 5 having an H-shaped cross section by a screw 26 and prevents the movable door 1 from swinging. The steady rest piece 9 is provided at a substantially central lower end of the movable door 1 via a support portion 27 so as to project. As shown in FIG. 1A, the lock piece 17 is provided so as to project downward and can move up and down at the lower left end of the movable door 1. When the movable door 1 is in the closed position, the movable door 1 is locked. . In addition, as shown in FIG. 1 (b), when the movable door 1 is slid, by manual work,
The lock piece is immersed in the lower frame 5 and unlocked,
Allow the movable door 1 to slide. Further, the upper frame 4 is a wheel and a rail (both not shown) arranged in the upper frame 6.
It is hung and supported so as to be slidable in the left-right direction in FIG. In order to prevent the lower end of the movable door 1 from interfering with the ground surface, a slight gap is formed between the lower end of the movable door 1 and the ground surface. Therefore, the sliding door is opened and closed by sliding the movable door 1 in the left-right direction in FIG.

The steady rest guide rail 10 shown in FIGS. 2 (a) and 2 (b) extends on the floor below the movable door 1 in a range in which the movable door 1 moves. As shown in FIGS. 2 to 4, the guide rail 10 is composed of hollow guide frames 23 and 24 extending in the longitudinal direction on the outer side of the upper portion, and a channel member 25 extending in the longitudinal direction at the bottom thereof. As shown in FIG. 4, the distance between the guide frame 23 and the guide frame 24 is set to be substantially the same as the thickness of the steady rest piece 9, and the steady rest piece 9 is placed between the guide frames 23 and 24 and both frames 2.
It is guided in the longitudinal direction of 3,24.

In particular, as shown in FIG. 2B, the first, second and third fixed lids 11, 14, 1 are provided between the guide frames 23, 24.
6 and the first and second movable lids 13 and 15 are fitted,
The upper surfaces of 13, 14, 15, and 16 have almost the same height as the floor surface. The first, second, and third fixed lids 11, 14, and 16 are arranged at predetermined intervals. As shown in FIG. 3, the first movable lid 13 is vertically movable between the first fixed lid 11 and the second fixed lid 14, that is, below the lock piece 17. The first movable lid 13 includes an upper lid 19, a hollow lower lid 20, a lower end of the lower lid 20 and a channel member 25.
It is constituted by a leaf spring 12 which is urged and arranged in between. The leaf spring 12 as an urging means has a pair of left and right elastic legs. As shown in FIG. 5, the front-rear width of the upper lid 19 is set to be substantially the same as the distance between the guide frames 23 and 24. In addition, the front and rear width of the lower lid 20 is set on both guide frames 2.
It is set larger than the interval of 3,24.

As shown in FIG. 2B, the second movable lid 15
Is arranged between the second fixed lid 14 and the third fixed lid 16 so that it can move up and down in the moving range R of the steadying piece 9. Similar to the first movable lid 13, the second movable lid 15 includes an upper lid 21, a hollow lower lid 22, and a plurality of leaf springs 12 biased between the lower end of the lower lid 22 and the channel member 25.
And is constituted by. As shown in FIG. 4, the upper lid 2
1 and the lower lid 22 have the same front and rear widths as the upper lid 19 and the lower lid 20, but have different left and right lengths as shown in FIGS. 2 (a) and 2 (b).

Next, the operation of the guide rail 10 configured as described above will be described. As shown in FIG. 2A, the upper lids 19 and 21 have guide frames 23 and 24 and first and second sides on four sides thereof.
It is surrounded by the two fixed lids 11 and 14 and is prevented from moving in the front-rear direction and the left-right direction. Therefore, the first and second movable lids 13 and 15 move only in the vertical direction. As shown in FIG. 4, the front and rear widths of the lower lids 20 and 22 are set to be larger than the distance between the guide frames 23 and 24. Therefore, the leaf spring 12
Even if the lower lids 20 and 22 are urged upward by the force of, the lower lids 20 and 22 engage with the lower surfaces of the end portions of the guide frames 23 and 24. Therefore, the movable lids 13 and 15 are prevented from protruding from the floor surface.

As shown in FIG. 1A, when the movable door 1 is closed and locked, the steady rest piece 9 is located at the left end of the second movable lid 15 and pushes the second movable lid 15 downward. To do. At this time, as shown in FIG. 3, the leg portions of the leaf spring 12 fixed to the lower end of the lower lid 22 spread in the left-right direction, and the second movable lid 15 is held downward. Also, the right end of the second movable lid 15 is located at the same height as the floor surface,
The steady rest guide rail 10 is covered. Therefore, the second movable lid 15 is tilted slightly upward to the right. The first and second movable lids 13 and 15 are constantly urged upward by the restoring force of the leaf spring 12.

Further, as shown by the chain double-dashed line in FIG.
When the lock piece 17 is moved downward by manual work,
The lock piece 17 pushes the first movable lid 13 downward. As a result, the leg portions of the leaf spring 12 spread to the left and right.
The lock piece 17 is surrounded by the guide frames 23 and 24 and the first and second fixed lids 11 and 14, and is prevented from moving in the front-rear direction and the left-right direction. Therefore, the movable door 1 is held immovably and kept closed.

In the state shown in FIG. 1A, when the lock piece 17 is retracted into the lower frame 5 by a manual operation, the movable door 1 is unlocked and can be slid. Then, when the movable door 1 slides to the right in FIG. 1, the steadying piece 9 is guided on the second movable lid 15 of the guide rail 10, and the movable door 1 swings in a direction orthogonal to the moving direction. Instead, it is moved to the open position. At this time, the second
The movable lid 15 is pressed downward at the position where it comes into contact with the steady rest 9, and becomes substantially level with the floor surface as it moves away from the position. When the movable door 1 is open, the steady rest piece 9 is located at the right end of the second movable lid 15. Movable door 1
The groove of the guide rail 10 at the position corresponding to the passage 18 formed as a result of the opening of the
It is surely covered by 4, and the first and second movable lids 1
It is also covered by 3,15. Therefore, the movable door 1
The groove of the guide rail 10 is not exposed to the floor regardless of the position of.

With the above construction, the steady rest guide rail 10 of this embodiment exhibits the following effects. (1) In the state where the movable door 1 is opened, the passage 18
The groove of the guide rail 10 corresponding to the first and second fixed lids 1
1, 14 and the first and second movable lids 13, 15 can prevent foreign matter such as pebbles from entering the guide rail 10. Therefore, it is possible to smoothly open and close the movable door 1 without causing any trouble in opening and closing the movable door 1.

(2) Since the width of the steady rest 9 projecting from the lower end of the movable door 1 is set to be substantially the same as the distance between the guide frames 23 and 24, the steady rest is opened and closed when the movable door 1 is opened and closed. The piece 9 is guided by both guide frames 23 and 24. Therefore, the movable door 1 is prevented from swinging in the direction orthogonal to the moving direction in FIG. 1, and the movable door 1 can be stably opened and closed.

(3) The guide rail 10 is also provided with the first movable lid 13 at a position corresponding to the lock piece 17, so that foreign matter such as small stones can be prevented from entering the lock hole, and the lock can be securely performed. It can be carried out.

(4) The lower lids 20 and 22 are both guide frames 23,
Since it is set wider than the interval of 24, the lower lids 20, 2
2 is prevented from moving upward, the upper lids 19 and 21 do not project from the floor surface, and do not become an obstacle when people come and go.

(5) Since a plurality of leaf springs 12 having left and right legs are fixed to the lower end of the second movable lid 15,
Even when the movable lid 15 is tilted, it is reliably supported. The present invention can be embodied with the following modifications.

(1) The steady rest guide rail 10 of the present invention is provided on a sliding door having a plurality of movable doors 1. With such a configuration, even for a sliding door having a wider passage, the groove of the guide rail 10 can be covered, and foreign matter such as pebbles can be prevented from entering.

(2) The steady rest guide rail 10 of the present invention is provided on a slide type door in which the movable door 1 has an arc shape. With such a configuration as well, like the above-described embodiment, by covering the groove of the guide rail 10, it is possible to prevent foreign matter such as pebbles from entering.

(3) Use of a coil spring as the biasing means. Even with such a configuration, the first and second movable lids 13,
It is possible to urge 15 upward to cover the groove of the guide rail 10.

(4) Instead of the hollow guide frames 23 and 24 and the lower lids 20 and 22, use solid ones. According to such a configuration, the guide frames 23 and 24 and the lower lid 2
0 and 22 become strong, and the durability of the steady rest guide rail 10 as a whole is improved.

Next, the technical idea other than the claims grasped by the above-mentioned embodiment will be described. (1) The steady rest guide rail according to claim 2, wherein the urging means is a leaf spring. According to this structure, the biasing means can be easily formed, which can contribute to the reduction of the manufacturing cost of the steady rest guide rail.

[0031]

According to the first aspect of the present invention, the groove of the guide rail is covered, and foreign matter can be prevented from entering. Therefore, the door can be opened and closed smoothly.

According to the second aspect of the present invention, since the lid member is always biased upward by the biasing means, the groove of the guide rail can always be reliably covered. Therefore, the smooth opening and closing of the door can be maintained.

According to the third aspect of the present invention, by providing the fixed lid member outside the range where the steady rest moves, it is possible to reliably prevent foreign matter from entering at that position. Therefore, the door can be opened and closed smoothly.

According to the fourth aspect of the present invention, by providing the lid member also at the position corresponding to the lock piece of the door, it is possible to surely cover the groove even when the key is not locked and prevent foreign matter from entering. it can. Therefore, the vertical movement of the lock piece can be reliably performed.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of a door and a guide rail of the present invention.

FIG. 2 is a plan view and a front sectional view of the guide rail.

FIG. 3 is an enlarged sectional view of a main part of a guide rail.

FIG. 4 is a sectional view taken along line AA of FIG.

5 is a sectional view taken along line BB of FIG.

6 is a cross-sectional view taken along the line CC of FIG.

[Explanation of symbols]

1 ... Movable door, 2 ... Fixed door, 9 ... Steady stop piece, 10 ...
Steady stop guide rails 11, 14, 16 ... Fixed lid as lid material, 12 ... Leaf spring as biasing means, 13, 15
... Movable lid as lid material, 17 ... Lock piece.

Claims (4)

[Claims] 1. A steady rest guide rail for guiding a steady rest provided at a lower end of the slide type door when the slide type door is opened and closed, and for preventing a steady run of the slide type door, a position for covering a groove of the guide rail. Steady stop guide rail with a vertically movable lid. 2. The steady rest guide rail according to claim 1, wherein the lid member is constantly biased upward by a biasing means. 3. The steady rest guide rail according to claim 1, wherein the lid member is provided in a range in which the steady rest piece moves. 4. The lid member is provided below a lock piece that is formed so as to project and retract from the lower end of the slide type door and that projects and locks into the guide rail when the door is in a closed position. The steady rest guide rail according to any one of claims 1 to 3.