JPS6114535Y2 - - Google Patents

Description

[Detailed description of the invention] This invention is easy to install on fittings without shaking, and after installation, the height of the tire relative to the fittings can be easily adjusted, and it does not interfere with the work of installing fittings on buildings. It's about a door that doesn't have a door.

Various types of door rollers that are attached to fittings have been developed that have a structure in which the position of the tire can be moved up and down with an adjustment screw in order to adjust the height of the tire relative to the fitting after being attached to the fitting.
Conventional door rollers that allow adjustment of the tire height after installation on fittings have complex structures, require time and effort to position and install the door roller, or require adjustment of the support frame that supports the tires before installation. If the support frame is not tightened before installation, it will wobble if the screws are not tightened, so if the structure is simple, the tire will be installed with the tire at the bottom, which will increase the actual height of the fitting. It is difficult to install the tire in a building, and as a result, it has various drawbacks such as the vertical adjustment range when adjusting the height of the tire after installation must be extremely narrow.

The present invention solves these drawbacks, and has a simple structure that allows for easy and accurate positioning of the door roller during installation, and quick and easy installation. The inner case on which the tire is attached does not wobble and is securely attached to the outer case, and the tire can be installed with the tire facing upwards, making it easy to install fittings with door rollers on buildings. To provide a door roller capable of widening the adjustment range for adjusting the height of the tire after installation and easily adjusting the height of the tire.

More specifically, the present invention has a rotatably mounted tire, an inner case slope is formed on the upper surface of both frames downward from the top, and a groove-shaped inner case is formed on the outer surface of the both frames parallel to the inner case slope. The inner case on which the case slide guide is formed has an outer case slope that the inner case slope slidably abuts, and a protrusion that is slidably inserted into the inner case slide guide on the inner surface of the frame on both sides. are inserted between the outer case frames of the outer case, which are provided protruding from each other, and penetrate through the case from the end face of the outer case on the opposite side to the inner case insertion side, and the tip is in contact with the inner case. In a door roller in which screws are screwed together and the position of the tire can be adjusted up or down by moving the inner case up or down by adjusting the adjusting screw, the inner case slope of the inner case is located directly above the tire axis of the tire. , which is opened at the upper end of the outer case on the side where the adjustment screw is attached, and is inserted and locked into the opening that communicates with the outside from the space between the outer case frames when the tire position is not yet adjusted. An inner case stopper is provided protrudingly at the upper end corner of the inner case on the outer case insertion side, and protrusions are provided on both sides of the lower end corner of the outer case on the adjustment screw installation side. It is something.

Hereinafter, the door roller according to the present invention will be explained in detail with reference to the drawings.

Fig. 1 is a side view showing one embodiment of the door roller according to the present invention, Fig. 2 is a bottom view thereof, and Fig. 3 is an exploded perspective view thereof.

In the drawing, 1 is an outer case made of a plastic molded product, 1a and 1b are outer case frames forming the frames on both sides of the outer case 1, and 2 is slidably inserted between the outer case frames 1a and 1b. Inner case made of plastic molded product etc., 2a, 2
b is an inner case frame forming the frames on both sides of the inner case 2; 3 is a tire rotatably mounted between the inner case frames 2a and 2b via a tire shaft 4;
5 is an end surface of the outer case 1 inserted into a female screw hole 6 provided horizontally through the outer case 1 from the end surface of the outer case 1 on the opposite side to the insertion side of the inner case 2 to the forming portions of the outer case frames 1a and 1b. Inner case 2 inserted between outer case frames 1a and 1b and screwed together
This is an adjustment screw whose tip touches the. 7 is provided in a protruding manner at the upper end corner of the inner case 2 on the side where the outer case 1 is inserted, and when the inner case 2 is inserted into the outer case 1 before adjusting the position of the tire 3, the outer case 1 of the inner case 2 is inserted. Inner case stopper 8a, 8b that maintains a constant state and prevents rattling
Inner case slopes are formed on the upper surfaces of inner case frames 2a and 2b, respectively, and are inclined at a predetermined angle from the upper part of the inner case 2 to the lower side opposite to the inner case stopper 7, and 9 is the inner case frame 2a. , 2b is a shaft hole to be attached to the tire shaft 4, and this shaft hole 9 is provided on the inner case slopes 8a, 8 of the inner case 2.
It is located directly below b. 10a and 10b are groove-like grooves of a predetermined length and width extending from the direction of the inner case stopper 7 toward the shaft hole 9, parallel to the inner case slopes 8a and 8b, on the outer surface sides of the inner case frames 2a and 2b, respectively. This is an inner case slide guide formed in the inner case. Reference numeral 11 is provided with an opening at the upper end of the outer case 1 on the side where the adjustment screw 5 is attached.
This is an opening that communicates with the outside from the space between a and 1b. In order to do this, when the inner case stopper 7 is inserted into the outer case 1, the tip of the inner case stopper 7 is inserted and locked, and the inner case 2 is kept in a constant state with respect to the outer case 1 to prevent it from wobbling. When the adjustment screw 5 is screwed in to adjust the position of the tire 3, the inner case stopper 7 is removed from the opening 11. 12
12c and 12d are protrusions provided on both sides of the lower end corner of the outer case 1 on which the adjustment screw 5 is attached, respectively, for positioning the outer case 1 on the lower stile of the fittings; At the upper part of the adjustment screw 5 installation side, when the outer case 1 is inserted into the lower stile of the fitting, an engaging part 13 engages with a protrusion formed on the lower stile. Inner case slide guides 10a and 10b formed in inner case frames 2a and 2b of inner case 2 that are provided to protrude from the inner side and inserted into outer case 1
a protrusion 14a, 1 which is slidably inserted into the
Reference numeral 4b denotes outer case slopes formed on the outer case frames 1a and 1b, respectively, so that the inner case slopes 8a and 8b of the inner case 2 inserted into the outer case 1 are slidably abutted. The inserted inner case 2 is inserted into the inner case 2 from the end face of the outer case 1 on the opposite side to the insertion side of the inner case 2, and screwed into the female screw hole 6 of the outer case 1 to adjust the adjusting screw 5 that abuts the inner case 2. As a result, the inner case slopes 8a and 8b come into contact with the outer case slopes 14a and 14b and slide up and down, allowing the vertical position of the tire 3 to be adjusted. The slopes 8a and 8b directly above the tire shaft 4 are always received. Reference numeral 15 denotes a chamfered portion formed so that the corner of the end of the outer case 1 opposite to the side on which the adjustment screw 5 is attached is inclined inward at a predetermined angle so that it can be easily inserted into the lower stile of the fitting, and 16 is a door roller. This is the lower stile of the fittings that will be installed.
Reference numeral 17 denotes a cutout portion of the lower stile 16 which is cut out in the lower stile 16 in order to fit the protrusions 12a and 12b of the outer case 1 when attaching the door roller according to the present invention to the lower stile 16;
are protrusions formed by protruding from the outer surface of both sides of the lower stile 6 toward the inner surface using a punch or the like so as to come into contact with the end of the outer case 1 attached to the lower stile 16 on the side where the adjustment screw 5 is attached. , this protrusion 18 is formed at the same time as the lower stile notch 17 is formed.

Since the door roller according to the present invention has the above-mentioned configuration, in order to attach it to the lower stile 16 of the fittings, the ends of both sides of the lower stile 16 to which the door roller is attached are connected to the projections 12a formed on the outer case 1. , 12b are cut out to a size that allows the lower stile to be fitted, and a lower stile notch 17 is provided.
The inner case stopper 7 is formed to protrude from the outer surface side to the inner surface side on both sides of the inner case stopper 7, and then the inner case stopper 7 is formed to protrude from the outer surface side to the inner surface side. With the case 2 inserted into the outer case 1, the door roller is attached between both sides of the lower stile 16, and the projections 12a and 12b of the outer case 1 are removed.
When the outer case frames 1a and 1b of the outer case 1 are inserted into the lower stile 16 while pushing apart the projections 18 of the lower stile 16, the outer case frames 1a and 1b are fitted into the lower stile notch 17 as shown in FIG. Engagement parts 12c, 12d of 1b
The outer case 1 is fixed to the lower stile 16 in a state in which the outer case 1 is engaged with the protrusion 18. In this way, the movement of the outer case 1 in the insertion direction of the door roller is fixed by the protrusions 12a and 12b, and the movement in the opposite direction is achieved by the engaging parts 12c and 12d engaging with the protrusion 18 of the lower stile 16. Since the movement of the door roller is fixed, the position of the door roller is reliably fixed.

If the adjustment screw 5 is turned after installing the door roller in this state, the inner case 2, which the tip of the adjustment screw 5 is in contact with, will slide into contact with the outer case slopes 14a, 14b on the inner case slopes 8a, 8b. Since the tire 3 also descends diagonally, adjust the adjustment screw 5.
This allows the position of the tire 3 to be adjusted to a height that allows the fittings to move smoothly, and at this time, the inner case stopper 7 is released from the locking state with the opening 11 of the outer case 1 and is moved inside the outer case 1. It moves to .
In this case, when the inner case slopes 8a, 8b slide in contact with the outer case slopes 14a, 14b, the protrusions 13 provided on the inner surfaces of the outer case frames 1a, 1b are removed from the inner case frames 2a, 2b. Since the inner case slide guides 10a and 10b formed on the outer surface side are slid to move up and down, sliding is performed smoothly and the height of the tire 3 can be adjusted easily and quickly. Furthermore, since the structure is such that the load of the fittings, etc. is always received on the slope directly above the tire shaft 4, the fittings can always be opened and closed smoothly, and the fittings do not shake when opening and closing.

In this way, in the door roller according to the present invention, the tire 3 attached to the inner case 2 is moved up and down by turning the adjustment screw 5, so the height of the tire 3 can be easily adjusted according to the fittings after the door roller is installed. In addition, when installing the door roller, since the outer case 1 is provided with protrusions 12a and 12b, the fittings can be easily and accurately positioned with respect to the lower stile 16. Before the position of the tire 3 is adjusted, the inner case 2 is locked with the tip of the inner case stopper 7 of the inner case 2 protruding from the opening 11 of the outer case 1, so it cannot be easily transported or installed. The inner case 2 does not come off from the outer case 1 during installation, and the tire 3 can be installed so that it is in the upper position when the door roller is installed on the fittings. If the position of the tire 3 is lowered, the tire will not get in the way when installing fittings by hanging it into a building, and as a result, the tire 3 will be lowered.
It is possible to create a structure that allows adjustment of the height in a wide range. In addition, a chamfered portion 15 is formed at the end of the outer case 1 opposite to the side where the adjustment screw 5 is attached, that is, at the end corner inserted between both sides of the lower stile 16. The outer case 1 can be easily inserted between the parts.

As detailed above, in the door roller according to the present invention, the inner case 2 inserted into the outer case 1 is inserted into the opening 11 of the outer case 1 before the adjustment screw 5 is screwed in to adjust the position of the tire 3. Since the case stopper 7 is locked, the inner case 2 will not rattle or come off during transportation or installation.
Since the inner case 2 can be inserted with the tire 3 positioned upward during installation, it is easy to install the fittings to which the door roller is attached to the building, and if the vertical adjustment range of the tire 3 is adjusted widely. By turning the adjustment screw 5 after installation, the protrusion height of the tire 3 can be easily adjusted over a wide range, and the inner case slopes 8a and 8b of the inner case 2 are directly above the tire shaft 4 of the tire 3. Since it is located in the inner case frame 2
a, 2b will not be deformed, and as a result, the fitting will not shake when attached to the lower stile of the fitting. Also, there are protrusions on both sides of the lower end of the outer case 1 on the side where the adjusting screw 5 is attached. 12a, 12b
is provided, and above it are engaging portions 12c, 1.
2d is provided, so when installing, cut out the lower stile notch 17 where the protrusions 12a and 12b fit into the lower stile 16, and provide the protrusion 18 with a punch or the like. Then, by fitting the protrusions 12a and 12b into the lower stile notch 17 and engaging the engaging parts 12c and 12d with the protrusion 18, the door roller can be positioned easily and accurately. It has various excellent advantages such as being quick and easy to install, and has great practical value.

[Brief explanation of the drawing]

Fig. 1 is a side view showing one embodiment of the door roller according to the present invention, Fig. 2 is a bottom view thereof, and Fig. 3 is an exploded perspective view thereof. 1...outer case, 1a, 1b...outer case frame,
2...Inner case, 2a, 2b...Inner case frame, 3
... Tire, 4 ... Tire shaft, 5 ... Adjustment screw,
6...Female screw hole, 7...Inner case stopper, 8
a, 8b...Inner case slope, 9...Shaft hole, 10
a, 10b...Inner case slide guide, 11...
...Opening, 12a, 12b...Protrusion, 12c,
12d...Engaging portion, 13...Protrusion, 14a, 1
4b... Outer case slope, 15... Chamfered portion, 16...
...Lower stile, 17...Lower stile notch, 18...Protrusion.

Claims (1)

[Claims for Utility Model Registration] 1. A tire 3 is rotatably mounted, and inner case slopes 8a, 8b are formed on the upper surfaces of the frames 2a, 2b on both sides from the top downward, and inner case slopes 8a, 8b are formed on the outer surfaces of the frames 2a, 2b. The inner case 2 has groove-shaped inner case slide guides 10a, 10b formed in parallel with the case slopes 8a, 8b.
8b slidably abuts on the outer case slope 14
a, 14b and frames 1a, 1b on both sides.
Inner case slide guide 10a, 1 on the inner side of
The outer case 1 is inserted between the outer case frames 1a and 1b of the outer case 1, which are provided with projecting protrusions 13 that are slidably inserted into the inner case 2. An adjustment screw 5 that penetrates the outer case 1 from the end face and has its tip abutted against the inner case 2 is screwed together, and by adjusting the adjustment screw 5, the inner case 2 moves up and down, raising and lowering the position of the tire 3. In the adjustable door roller, the inner case slopes 8a and 8b of the inner case 2 are located directly above the tire shaft 4 of the tire 3, and are opened at the upper end of the outer case 1 on the side where the adjustment screw 5 is attached. An inner case stopper 7 that is inserted and locked in an opening 11 that communicates with the outside from a space between the cage outer case frames 1a and 1b when the position of the tire 3 is not yet adjusted is attached to the outer case of the inner case 2. A door roller characterized in that protrusions 12a and 12b are provided protrudingly at the upper end corner of the outer case 1 on the insertion side, and on both sides of the lower end corner of the outer case 1 on the adjustment screw 5 mounting side. 2. The door roller according to claim 1 of the utility model registration claim, wherein the outer case 1 and the inner case 2 are plastic molded products. 3 A chamfered part 1 that slopes inward at a predetermined angle on the end corner of the outer case 1 on the side opposite to the side where the adjustment screw 5 is installed.
5. The door roller according to claim 1 or 2 of the utility model registration claim.