JPH074750U - Guide roller device for hangar door - Google Patents

Abstract

(57) [Summary] (Corrected) [Purpose] To prevent lateral shake of the door hanging from the lintel of the opening when the vehicle is running, and to perform smooth opening and closing of the door. (EN) Provided is a guide roller device for a hangar door. [Structure] A plurality of hanger door rollers are provided at predetermined intervals on an upper edge portion of a door body 3 formed in a hollow shape by front and back plates,
In a hanger door that horizontally hangs the door body 3 along the hanger rail horizontally installed in the lintel part of the building opening and the guide pillar 10 projecting from the floor surface 7,
A pair of guide rollers 13 and 13 are provided on the guide column 10 so as to be spaced apart from each other, and the guide rollers 13 and 13 are elastically held between the opposite inner surfaces of the front and back plates facing the lower part of the door body 3 in the directions in which they are separated from each other. Configured.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a hangar door installed in a building opening, and in particular, it is possible to prevent lateral swinging of a door body hung on the lintel of the opening when the vehicle is running, and to smoothly open and close the door body. It relates to a guide roller device for a hangar door that can be operated.

[0002]

[Prior art]

 Generally, a hanger door installed in an opening of a store, a warehouse or the like has a hanger rail c installed horizontally on a lintel b of the opening a as shown in FIGS. 6 and 7, and an upper end surface of a door body d. It is configured such that the hanger door wheels e, e provided on the vehicle run on the hanger rail c to open and close the opening a with the door pocket part a ′ provided on the side. In order to prevent the door body d from swinging back and forth at the time of opening / closing operation, a guide pillar g pivotally supporting a guide roller f on the head is provided on the floor h of the door body d on the side of the door. The guide roller f is intervened in the guide groove i formed in the lower end surface of the door body d to regulate the front-back swing of the lower portion of the door body d.

However, in the above structure, in order to ensure a smooth running state of the door body d, a certain clearance X, X must be set between the guide roller f and the guide groove i. d It was completely impossible to completely control the front-back shake of the lower part.

[0004]

[Problems to be solved by the device]

 The present invention was devised in view of the above circumstances to solve the conventional drawbacks, and its purpose is to eliminate the front-back swing of the door body to smoothly and promptly open and close the door body. It is an object of the present invention to provide a guide roller device for a hangar door that can be operated and can flexibly cope with various doors having different expected widths by using the same guide roller.

[0005]

[Means for Solving the Problems]

 In order to solve the problem, the technical means adopted by the present invention is to install a plurality of hanger door wheels at a predetermined interval on the upper edge of a door body formed by front and back plates in a hollow shape so that a building opening can be rolled. In a hanger door that horizontally hangs the door body along a hanger rail that is installed horizontally on the bottom and a guide pillar that projects on the floor, a pair of guide rollers are attached to the guide pillar. The guide rollers are separately pivoted from each other, and the guide rollers are elastically held between the facing inner surfaces of the front and back plates facing the lower part of the door body in the directions in which they are separated from each other.

Therefore, according to the present invention, it is possible to completely eliminate the front-back swing of the door body, prevent rattling and noise when the door body is running, and to prevent the door body from moving smoothly and quickly. It is possible to maintain the opening and closing operation of the for a long time.

[0007]

【Example】

 The configuration of the present invention will be described in detail based on an embodiment shown in the drawings. 1 and 2, reference numeral 1 denotes a hangar door arranged in an opening 2 formed with a door pocket 2 '(not shown), and the hangar door 1 is a hollow shape composed of front and back plates 3a and 3b. The door body 3 can be opened and closed laterally on a guide rail 6 provided horizontally on the lintel portion 5 of the opening 2 via hanger door wheels 4, 4, ... The lower end surface of the door body 3 is provided with a guide groove 9 for receiving the guide roller device 8 standing on the floor surface 7. The guide roller device 8 prevents the runout in the front-rear direction.

As shown in FIG. 3, the guide roller device 8 has a guide strut 10 standing on the floor surface 7, and a leaf spring 11 bent in an inverted C-shape at the head thereof and a nut 12, The guide springs 13 and 13 are fixed to each other by guide rollers 13 and 13 which are horizontally supported by both blades of the leaf spring 11, and each outer peripheral surface of the guide rollers 13 and 13 has a door body 3. The inner and outer surfaces of the front and back plates 3a and 3b are pressed against each other by the elastic force of the leaf springs 11 in the directions in which they are separated from each other.

A ring spacer 14 is axially supported at a tip portion of the guide column 10 with a predetermined gap between the guide rollers 13 and 13, and a pushing force greater than the elastic force of the leaf spring 11 is exerted. Even when pressure is applied to the lower portion of the door body 3, sliding contact between the guide rollers 13 and 13 and the ring spacer 14 prevents unnecessary movement of the door body 3 in the front-back direction and deformation of the leaf spring 11. It has become.

In the above configuration, when the hangar door 1 is installed in the opening 2, first, the guide column 10 in which the leaf spring 11, the guide rollers 13, 13 and the ring spacer 14 are arranged in each part, The guide rollers 13 and 13 are tentatively set in a position that moves back and forth in the opening / closing direction of the door body 3 by projecting on the floor 7 of the door body 3 on the door tail side, that is, the opening side end of the door pocket 2 ′. . Then, after the door body 3 is hung on the hanger rail 6 of the lintel portion 5 via the hanger door wheels 4 and 4, the door body 3 is moved into the door pocket portion 2'and the opening 2 is opened. At this time, the guide strut 10 of the guide roller device 8 intervenes in the guide groove 9, and in this state, the guide strut 10 is rotated to move the guide rollers 13 and 13 between the inner surfaces of the front and back plates 3a and 3b of the door body 3. When the guide column 10 is fixed in a position that rolls horizontally and is orthogonal to the opening / closing direction of the door body 3, the guide rollers 13, 13 between the front and back plates 3a, 3b are separated from each other by the leaf spring 11. Will be held.

After that, when the door body 3 is opened / closed, the main body of the door body 3 is guided by the hanger door wheels 4 and 4 to move on the hanger rail 6, and the lower portion of the door body 3 is guided by the guide roller 13 While the surface pressure of the front and back plates 3a and 3b of the doors 13 and 13 is maintained, the rattling of the lower part of the door body 3 caused by the opening and closing operation can be eliminated by being guided and guided on the floor surface 7. It is possible to open and close the hangar door 1 smoothly and promptly without any problems.

In the present embodiment, the guide rollers 13 and 13 are axially supported at both ends of the leaf spring 11 that is bent in an inverted V shape, but the present invention is not limited to this. As shown in FIGS. 4 (a) and 4 (b), elongated holes 15 and 15 for inserting the guide columns 10 are bored on the base end sides of the leaf springs 11 a and 11 a which are divided into two parts, respectively, and nuts 12 and 12 are formed. If the elastic force between the front and back plates 3a and 3b is adjusted when the leaf springs 11a and 11a are fixed by means of the same guide roller device 8 for various door bodies 3 having different expected widths. Can be used flexibly.

Further, as shown in FIG. 5, the auxiliary leaf spring 16 is coaxially attached to the guide strut 10 on the leaf spring 11, and both end pieces 16 a, 16 a thereof are brought into contact with both blade portions of the leaf spring 11. If the elastic force of the leaf spring 11 and the auxiliary leaf spring 16 are made to cooperate with each other by adjusting the tightening of the adjusting nut 12 ', a stronger and wider elastic force can be obtained. It becomes possible to add to the la device 8.

[0014]

[Effect of device]

 In short, the present invention provides a plurality of hanger door wheels at predetermined intervals on the upper edge of the door body formed by the front and back plates in a hollow shape, and a hanger rail horizontally installed in the lintel part of the building opening. In a hangar door in which the door body is laterally openably and closably suspended along a guide strut protruding from the floor surface, a pair of guide rollers are separately and pivotally mounted on the guide strut, and Since the guide rollers are configured to be elastically held between the facing inner surfaces of the front and back plates facing each other in a direction away from each other, the front-back swing of the door body can be wiped out to smoothly and swiftly open and close the door body. In addition, the same guide roller can be used flexibly for various types of doors with different expected widths, and the versatility of the guide roller device can be expanded, and the operationality at the time of opening and closing the door can be improved. Can be significantly increased, Can be maintained for a long time the opening and closing operation of the smooth and rapid door body I, in which exhibits a very useful practical effect equal.

[Brief description of drawings]

FIG. 1 is an overall front view of a hangar door.

FIG. 2 is a side view of the main part of the same.

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

FIG. 4A is an enlarged side sectional view of an essential part shown in another embodiment. (B) It is a top view of the leaf spring used for another Example same as the above.

FIG. 5 is an enlarged side sectional view of an essential part shown in another embodiment.

FIG. 6 is an overall front view of a conventional hangar door.

FIG. 7 is a side view of an essential part showing a conventional hangar door.

[Explanation of symbols]

 1 Hunger door 2 Opening part 3 Door body 3a Front and back plate 3b Front and back plate 4 Hanger door wheel 5 Lag part 6 Hanger rail 7 Floor surface 8 Guide roller device 9 Guide groove 10 Guide column 13 Guide roller

Claims (1)

[Scope of utility model registration request] 1. A hanger rail horizontally provided on a lintel part of a building opening, and a plurality of hanger door rollers provided at predetermined intervals on an upper edge part of a door body formed in a hollow shape by front and back plates. In a hangar door, in which the door body is laterally openably and closably suspended along a guide strut protruding from the surface, a pair of guide rollers are pivotally installed on the guide strut so as to face the inside of the lower door body. A guide roller device for a hangar door, characterized in that it is configured to elastically hold the guide rollers in a direction in which they separate from each other between opposed inner surfaces of the face plate.