JPH072945Y2 - Door steady rest - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a steady rest member for a hanging sliding door type automatic opening / closing door.

[0002]

2. Description of the Related Art As a steady rest member in a conventional hanging sliding door type automatic opening / closing door, as shown in FIGS. 5 to 7, it is located at a lower end of a lower frame member b of a door a, and both end portions in a lateral width direction thereof. Further, as shown in FIG. 5, a steady rest guide part c having a substantially inverted T-shape on the front side is attached by screws d ... As shown in FIG. 6, and is installed in a guide rail f embedded in a floor e. The one that is inserted so that it can run freely is widely used.

However, as a recent tendency, automatic doors are widely used not only at entrances but also at so-called partitions inside buildings, so in the above-mentioned conventional example, the guide rail f is fixed to the floor e by remodeling work. Noise is generated when it is embedded in the implant, and labor and labor are required for the work required for the implant, that is, cement kneading and plastering work. Furthermore, in hospitals, etc. The rattling sound is transmitted not only to the sick person on the stretcher as a vibration but also to the sick person in the surroundings, which is uncomfortable. Therefore, (A) and (B) of FIG.
A floor guide type steady rest member g as schematically shown in (C) has come into widespread use.

By the way, as is known, the door a is shown in FIG.
As shown in FIG. 7 showing a cross section taken along the line -B ', both upper and lower frame members b', b (the upper frame member b'is in the fitting recess i formed in the vertical frame member h). 6) to FIG. 8 (A) and (B) because they are assembled by fitting (FIG. 5) and fixing with sideways screws j.
As shown in (C), at the joint k between the vertical frame member h and the upper and lower frame members b ′, b, the surface of both of them is actually 2
A step l of about mm is generated.

[0005]

However, in the case of the floor guide type steady rest member g, as shown in FIG. 8 (A), the mounting position of the roller g'is in the closed door state, and the vertical frame member h. When the door a is opened and closed, the roller g'is fixed as shown in FIG.
When the roller g ′ contacts the surface of the lower frame member b from the surface of the vertical frame member h, and when the roller g ′ rides on the surface of the vertical frame member h from the surface of the lower frame member b as shown in FIG. To
It produces an unpleasant sound.

The generation of the unpleasant sound as described above causes not only the passerby but also the manager to have a feeling of anxiety leading to a serious failure.

In order to prevent the unpleasant sound caused by this contact, it is conceivable to use a soft member for the roller g ', but this causes deformation, scatter of abrasion debris to stain the floor surface, and cleaning. Adhesion of the wax used causes poor durability.

In view of the above-mentioned problems of the prior art, the present invention can be easily incorporated into the lower frame member of the door without attaching holes or screws, whereby the vertical frame member can be installed. The purpose is to eliminate the step at the joint between the lower frame member and the lower frame member and to eliminate the roller contact noise when the door is opened and closed.

[0009]

In order to achieve the above object, the present invention provides a bottom wall portion capable of closing a lower end opening portion of a lower frame member of a door, a vertical frame member of a door and a lower frame member. By providing a pair of front and rear side walls in the door width direction, which are formed to have a size that fills the step formed in the portion, it is possible to fit the lower frame member between the both side walls along the longitudinal direction thereof. A fitting recess is formed, and in the fitting recess,
From the upper surface of the bottom wall portion, along the longitudinal direction thereof, a pair of elastically deformable fitting projections having a size that can be fitted into the lower end opening of the lower frame member is bored, and the fitting projections of the both fitting projections are formed. On the outer side surface, there are provided anti-drop projections located near the base of the outer frame and located at the lower end opening of the existing frame member, which are engageable with the opening edges that are provided on the front and rear sides thereof. It is intended to provide a steady rest member for a door.

[0010]

According to the door steadying member of the present invention, when the member is pushed into the lower frame member such that the lower end of the lower frame member of the door is fitted into the fitting recess. , A pair of fitting projections are fitted into the lower end opening of the lower frame member, and the outer surface of the retaining projection protruding near the base on the outer surface of the lower projection is at the lower end opening of the lower frame member. Hit the edges of the opening opposite to the front and back.

Since the outer surface of the retaining ridge is an inclined surface that descends from the upper end to the lower end outside, the inclined surface is pressed inward by the opening edge by the pushing force, whereby the fitting protrusion is inward. Each of them is elastically deformed toward, and is pushed into the inside of the lower frame member to be in a fitted state.

At the same time as the fitting protrusion is fitted into the lower frame member, the fitting protrusion is returned to the vertical original position by the elasticity of the fitting protrusion itself, and the removal protrusion is provided. Engages with the inner surface of the opening edge of the lower frame member, whereby the member is assembled with the lower end of the lower frame member and held without falling off.

As a result, the both side walls at the lower end of the lower frame member are covered by the both side wall portions forming the fitting recess, and the step at the joint between the vertical frame member and the lower frame member is filled.

Further, in addition to the above-mentioned means, the assembling work of the door steadying member to the lower frame member is performed in the longitudinal direction which is the horizontal direction of the lower frame member prior to the assembly of the vertical frame member and the lower frame member. You may make it insert from one end.

On the other hand, the floor guide type steady rest guide component is adjusted in accordance with the vertical frame member in the closed door state and fixed to the middle stand or the floor surface at the front portion thereof, and the roller is fixed. The vertical frame member and the surface of the side wall portion are brought into contact with each other.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the illustrated embodiments. As shown in FIGS. 1 to 4, the steady rest member A of the present invention is made of steel, aluminum or the like as a long member having a substantially uniform wall thickness.

That is, the steady rest A is a bottom wall portion 4 for closing the lower end side of the lower frame member 1 of the door B.
And the front and rear ends of the bottom wall 4 which are integrally erected upright from the front and rear ends of the bottom wall 4 and are parallel to each other, and have a size capable of filling the step 3 between the vertical frame member 2 of the door B and the lower frame member 1. The side wall portions 5 and 5 are provided, so that the fitting recessed portion 6 into which the lower frame portion of the lower frame member 1 is fitted is provided upward between the both side wall portions 5 and 5 in the longitudinal direction thereof. It will be opened.

The bottom wall 4 in the fitting recess 6
In the front and rear of the upper surface in the width direction, a pair of fitting projections 8, 8 fitted in the lower end opening 7 of the lower frame member 1 are provided upright in parallel in the longitudinal direction.

On the outer side surfaces of the fitting projections 8, 8, which are near the base portion thereof, and each of the retaining projections 9, extending in the longitudinal direction thereof.
9 are formed, and on the other hand, on the front and rear sides of the lower end opening 7,
A pair of opening edges 7a, 7a are provided to project laterally inward in the longitudinal direction, and the above-mentioned retaining ridges 9, 9 can be engaged with this. An inclined surface 9a is formed on the outer surface of each of the retaining ridges 9 and 9 so as to descend from the upper end thereof to the outer side of the lower end, whereby the fitting protrusion 8 is inserted into the lower end opening 7 of the lower frame member 1. , 8 can be fitted by pushing.

As shown in FIGS. 3 and 4, the lengths L of the side wall portions 5 and 5 forming the fitting recess 6 are the same in the left and right vertical frame members 2 and 2 of the door B, and The dimension between the inner end surfaces 2a, 2a facing each other is set to be the same, while the length L ₁ of the bottom wall portion 4 and the pair of fitting protrusions 8, 8 is equal to that of the lower frame member 1 of the door B. It is set to the same length.

Further, the both side walls 5, 5 have a width M between both outer side surfaces thereof which is the same as the thickness M ₁ in the front-rear direction of the vertical frame member 2 as shown in FIG. Width M between both inner sides
₂ (shown in FIG. 4) is the thickness M ₃ of the lower frame member 1 in the front-back direction.
They are set to the same dimensions as, respectively.
As shown in FIG. 3, if the steady rest member A is assembled by being fitted into the lower end of the lower frame member 1 as will be described later, the front and rear side surfaces of the lower frame member 1 are separated by the side wall portions 5 and 5. The lower wall member 1 and the vertical frame member 2 are filled with the steps 3, 3 on both sides thereof, and the bottom wall portion 4 is covered.
Thus, the lower end side of the lower frame member 1 is entirely closed.

As the floor guide type steady rest guide component 10, as shown in FIGS. 1 and 2, there is a fixed member 10a having a substantially L-shaped side surface, and a roller 10b is freely rotatable from the upper surface of its tip. The vertical axis 10c pivotally supported so that the vertical axis 10c is erected is shown. Then, in this embodiment, the fixing member 10a is fixed to the intermediate stand 11 and the floor surface 12.
The roller 10b is fixed to the corner of the door B
Of the vertical frame member 2 in FIG.
In addition, the surface of the vertical frame member 2 is in contact with the side surface of the one side wall portion 5 of the same member A that is flush with the surface.

Further, the steady rest guide component 10 is, other than the illustrated example, an intermediate stand 11 or a floor surface 1 in front of it.
It may be fixed only to 7, and 13 in FIGS. 2 and 3 is a screw for assembling and fixing the lower frame member 1 and the vertical frame member 2.

In order to use the steadying member A having the above structure, the upper member A is pushed into the lower frame member 1 so that the lower end of the lower frame member 1 is fitted into the fitting recess 6. The pair of fitting projections 8, 8 have their tips fitted into the lower end opening 7 of the lower frame member 1, and the outer side surface of the retaining projection 9 has an opening edge 7a opposite to the lower opening 7. Hit 7a.

Further, when the member A is pushed in, the outer side surfaces of the retaining projections 9, 9 are inclined surfaces 9a, 9a, so that the fitting projections 8, 8 are elastically deformed inward by the pushing force. The retaining ridges 9, 9 are pushed into the lower frame member 1 together with the fitting ridges 8, 8 over the above-mentioned opening edges 7a, 7a, and at the same time, the fitting ridges 8, 8 are vertical. After returning to a certain original position, the retaining projections 9 and 9 are locked to the inner surfaces of the opening edges 7a and 7a, whereby the member A is fitted and fixed in the lower frame member 1, and both side wall portions thereof are fixed. The steps 5 and 5 fill the steps 3 and 3 between the lower frame member 1 and the vertical frame member 2.

[0026]

EFFECTS OF THE INVENTION Since the present invention is configured as described above, the step between the vertical frame member and the lower frame member can be eliminated by the front and rear side wall portions forming the fitting recess of the lower frame member. Therefore, the roller contact noise of the floor guide type steady rest guide parts when the door is opened and closed can be eliminated.

Furthermore, since a pair of front and rear fitting projections having a retaining projection is fitted into the lower end opening of the lower frame member to fix the lower frame member, there is no need for a screw hole or screw for mounting. By simply pushing it into the lower frame member,
It can be installed easily and quickly with one touch.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view of a main part of a use state showing an embodiment of a steady rest member of a door according to the present invention.

FIG. 2 is a partially cutaway front view showing the usage state of the above embodiment.

FIG. 3 is a partially cutaway bottom view showing a state in which the above embodiment is incorporated into a lower end of a door.

FIG. 4 is a partially cutaway perspective view showing the embodiment.

FIG. 5 is an overall front view showing a usage state of a hanging sliding door type door including a conventional door steadying member.

6 is an enlarged cross-sectional view taken along the line AA ′ in FIG.

FIG. 7 is an enlarged sectional view taken along the line BB ′ in FIG.

FIG. 8 shows a relationship between a conventional floor guide type steady rest and a door. (A) shows a closed state of the door, (B) shows a state where the door is opened, and (C) shows a state near the end of the opened door. It is each operation explanatory view shown.

[Explanation of symbols]

 B Door 1 Lower frame member 2 Vertical frame member 3 Step 4 Bottom wall part 5 Side wall part 6 Fitting recess 7 Lower end opening 7a Opening edge 8 Fitting protrusion 9 Detachment protrusion

Claims (1)

[Scope of utility model registration request] 1. A bottom wall portion capable of closing a lower end opening portion of a lower frame member of a door, and a door width formed to fill a step formed on a front portion of a vertical frame member and a lower frame member of the door. By including a pair of front and rear side wall portions that are in the direction, a fitting recess into which the lower frame member can be fitted is formed between the both side walls along the longitudinal direction thereof, and in the fitting recess, A pair of elastically deformable fitting projections having a size that can be fitted into the lower end opening of the lower frame member is formed from the upper surface of the bottom wall of the A door formed on the side surface near the base of the lower frame member, which is provided at the lower end opening of the lower frame member. Steady stop member.