JPH0130554Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present application relates to a retractable gate installed at the entrance of a building or the like.

Conventional technology Conventionally, endless belts that run vertically by a drive motor are disposed at left and right positions, and a door body of a required height is installed between the belts at the left and right positions.
A gate whose structure raises and lowers the door body by the rotation of a drive motor, or a door body which is configured to be extendable and retractable by connecting a plurality of blade plates and sides in the vertical direction so that the blade plates and the sides intersect at the center. Opening/closing mechanisms for blinds attached to a frame are known from Japanese Utility Model Application Publications No. 55-11479 and No. 56-121894, respectively.

Problems to be Solved by the Invention However, according to the former configuration described above, the pair of left and right endless wires are moved up and down by a drive motor, which requires large-scale equipment and cannot be opened or closed during a power outage. In addition, according to the latter configuration, the door is installed separately from the guide means for vertically guiding the front end of the door body. Since the structure is equipped with a guide means for lifting and lowering the operating member that supports the lower front end of the door body and telescopically operates the door body, the structure is not only complicated, but also has a wide front and rear width, and the guide means This method has the disadvantage that an uneven load acts on the means, impairing the smoothness of the lifting and lowering operations.

Means for Solving the Problems Therefore, the present application aims to improve the deficiencies of the above-mentioned conventional products.
The upper and lower edges thereof are arranged in the vertical direction so as to wrap alternately on the front and rear surfaces, and connecting pieces are pivotally attached to the intermediate portions of the left and right sides of each of these door pieces so as to intersect with each other. A vertically expandable door body is constructed by pivotally connecting the upper and lower ends to the upper and lower ends of the side surfaces of the upper and lower door pieces facing each other, and the upper ends of a pair of left and right columns are connected by a cross beam. The upper end of the door is supported at the upper end of the frame, and a guide hole is formed along the length of the inner surface of the pillar of the frame, and a guide hole is formed along the length of the support of the frame. A guide rail is provided for engaging and guiding the intermediate pivot joint between the piece and the connecting piece, and pulleys are provided at the lower end and the upper end of the pillar, respectively, and these pulleys are connected to the An endless wire is suspended so as to intersect in a shape, and one piece of the vertical part of the wire passing through the left and right pillars is passed through the guide hole provided at the pivot point at the lowest end of the door body. A stop rod that can be raised and lowered is fixed to the other end, and a balance waist that can be raised and lowered within the support is fixed to the other end.

Function When the door is closed, the door body is in its most extended state, and the balance weight is at the highest position within the support. By balancing this with the balance weight, the door body can be retracted with extremely light force, and when the door is open, the door body is stored at the top of the frame in its most contracted state.

Embodiments Below, the embodiments of the present application will be described in detail with reference to the drawings.
In A, a large number of door pieces 3, 3... each having a panel 2 stretched on the front and rear sides of a horizontally rectangular frame 1 are arranged vertically in an armor-like manner so that their upper and lower edges overlap each other on the front and rear sides. , connecting pieces 5, 5... are pivoted to the middle parts of the left and right side surfaces of each of these door pieces 3, 3..., respectively, by means of a pivot 4 so as to intersect with each other, and the upper and lower ends of these respective connecting pieces are A door body that can be expanded and contracted in the vertical direction and configured by pivoting and sequentially connecting the lower end of the side surface of the opposing upper door section and the upper end of the side surface of the lower door section; Rolling wheels 6 are attached to each of the pivots 4. B is a hollow gate-shaped frame body consisting of a pair of left and right columns 7, 7 and a cross beam 8 connecting the upper ends of these columns. , and a pair of left and right pulleys 10, 10, at its upper end.
10', 10' are respectively disposed, and furthermore, on the inner surfaces of the pillars 7, 7, a guide hole 11 is provided along the length direction, and a guide rail 12 for guiding the roller 6 is provided.
are provided for each. A stop rod 13 extending from the lowermost pivot 4 of the door body A is inserted into the guide hole 11, and the uppermost pivot 4' is connected to the upper end of the inner side of the pillars 7, 7. It is supported by the department. The pulleys 9, 9 and 10, 10, 1
0', 10' have pulleys 10, 10 and 10',
10', an endless wire 14 is suspended so as to intersect in an X shape, and one piece of the left and right vertical parts of this wire 14 is fixed at the position of the stopper 13, and the other Balance weights 15 that move up and down within the support columns 7, 7 are attached to part of each piece. 16 is a handle attached to the center of the lower end of the door body A, 17 is a reinforcing rod connecting the lower ends of the left and right columns 7, 7, and 18 is a leg rod extending in the front-rear direction.

In the closed state, the door body A is in the most extended state as shown in FIGS. When the door body A is grasped and lifted upward, it is possible to lift and retract the door body A with an extremely light weight due to the action of the balance weight 15 which is balanced with the weight of the door body A. As shown in , it is stored in the upper position of the frame B in the most contracted state.

Effects of the invention As described above, according to the present application, the intermediate pivot portion between the door piece and the connecting piece is engaged and guided by the guide rail provided on the inner surface of the support, and the balance weight is moved from side to side. The weight balance of the door body is symmetrical between the left and right by placing it in the support column so that it can be raised and lowered freely, so the door body can be extended and retracted smoothly with extremely light force without tilting from side to side or front to back. At the same time, when the door is open, the door body can be stored at the top of the frame in its most expanded and contracted state, so the overall height and front and back width can be minimized, and the space between the frame supports can be used for traffic. Therefore, it can be effectively used especially for taking in and out of automobiles, etc.

Furthermore, according to the present application, the pair of left and right supports are
A stop piece provided at the pivot point at the lowest end of the door body, an intermediate pivot point of the door body, and a balance weight are used as a guide means, and an X-shaped portion of an endless wire is arranged within the cross beam. Therefore, the structure is extremely rational,
It has the advantage of providing a very good-looking gate and a sturdy gate as a whole.

[Brief explanation of the drawing]

The drawings show an embodiment of the present application, and FIG. 1 is a general front view taken longitudinally of the frame member with the door closed, FIG. 2 is a cross-sectional view taken along the line -- in FIG. 1, and FIG. FIG. 4 is a cross-sectional view of the door in the open state, and a perspective view of the belt in the suspended state. In the figure, A is the door body, 1 is the frame, 2 is the panel, 3 is the door piece, 4, 4' is the pivot, 5 is the connecting piece, 6 is the roller,
B is the frame, 7 is the support, 8 is the cross beam, 9, 9', 10,
10' is a pulley, 11 is a guide hole, 12 is a guide rail, 13 is a stop, 14 is a wire, and 15 is a balance weight.

Claims (1)

[Claims for Utility Model Registration] (1) A large number of horizontally rectangular door pieces are arranged in the vertical direction so that their upper and lower edges overlap alternately on the front and back surfaces, and each of these door pieces The upper and lower panels are constructed by pivotally connecting connecting pieces to intersect with each other in the middle of the left and right side surfaces of the pieces, and connecting the upper and lower ends of the connecting pieces to the upper and lower ends of the side surfaces of the opposing upper and lower door pieces, respectively. It consists of a door body that can be expanded and contracted in different directions, and a portal-shaped hollow frame body in which the upper ends of a pair of left and right columns are connected by a cross beam, and the upper end of the door body is supported at the upper end of this frame body. In addition, a guide hole is provided along the length direction on the inner surface of the column of the frame, and a guide rail is provided for engaging and guiding the intermediate pivot portion between the door piece and the connecting piece. A pulley is provided at the lower end and an upper end, respectively, and these pulleys are provided with an
An endless wire is suspended so as to intersect in a shape, and one piece of the vertical part of the wire passing through the left and right pillars is passed through the guide hole provided at the pivot point at the lowest end position of the door body. A gate that can be raised and lowered, with a stop rod that can be raised and lowered, and a balance weight that can be raised and lowered within the support fixed to the other end. (2) Utility model registration claim No. 1, in which the door piece is formed by extending panels on the front and rear sides of a horizontally rectangular frame 1.
A gate that can be raised and lowered as described in the section.