JPS6316478Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention consists of a pair of pillars consisting of a fixed lower pillar and an upper pillar fitted into the upper pillar so as to be able to rise and fall freely. A balancer mechanism is provided in the column body to maintain a balance of the load applied to the upper column, and the upper column is lowered and the door body is unfolded in a closed state, and the upper column is raised and the door body is folded in half. The structure is such that the door can be moved between the open state and the open state with a light force, and the space of the gate can be effectively used for passage in the open state.

Conventionally, there are telescopic, hinged, and folding screen types of gates, but all of these require extra space at or near the gate to store the door body when the door is open, and the effective space of the long gate is limited. There was an inconvenience that the size of the image was reduced.

Therefore, the present invention solves the above-mentioned inconveniences, and an embodiment thereof will be described in detail with reference to the drawings below. Reference numerals 1 and 2 are a pair of columns that expand and contract in the vertical direction, and the lower end is located on the road surface or other surface. A hollow rectangular cylindrical lower support 3 that is erected and fixed on the foundation surface, and a hollow angular cylindrical upper part that is approximately the same length as the lower support 3 and that is inserted into the outer periphery of the lower support and rises and lowers, and has an upper plate 4. The upper outer surface of the lower support 3 is provided with guide protrusions 6, 6 for maintaining a distance from the upper support 5 and smoothing the upward and downward movement of the upper support 5. A guide rail 7 extending in the longitudinal direction is provided on one outer surface of the columnar body 5, that is, on one outer circumferential surface facing the pair of columns 1 and 2 when facing each other. Reference numeral 8 denotes a balancer mechanism that maintains a balance with the load acting on the upper support column 5, the upper end of which is vertically disposed at the center of the upper plate 4 of the upper support column 5 and extends into the lower support column 3, and a pair of balancer mechanisms are provided at the lower end 9a. color 10,10
The support rod 9 is rotatably supported on the support rod 9, and one end is fixed to and wound around the collars 10, 10, respectively, and the other end extends upward and is fixed to the upper end of the opposing inner surface of the lower support 3, respectively. It is composed of a pair of constant load type spiral springs 11a and 11b. Reference numeral 12 denotes a door body interposed between the left and right pair of columns 1 and 2, which connects the upper and lower pair of door bodies 13a and 13b, which are approximately the same shape and size, so that they can be folded into two.
and a connecting and fixing mechanism 14 that fixes the door to the columns 1 and 2 in the closed state, and FIG. 9 shows the specific structure of the fixing mechanism 14. That is, 1
Reference numerals 5 and 16 denote bearing members fixed to one of the door plates 13a to 13b, and one of the bearing members 15 has a cylindrical shaft portion in the center that passes through a hole 19 that communicates the large diameter portion 17 and the small diameter portion 18. 20, and the other bearing member 16 has a shaft cylindrical portion 23, which has a fitting shaft 21 projecting from the side thereof that fits into the large diameter portion 17 of the hole 19, and which extends through the center hole 22. It is provided. 24
A connecting shaft is inserted through the hole 19 and the center hole 22 of the shaft tube portion 20 so as to be slidable in the axial direction, and a stopper 25 and an operating portion 26 are provided on the inner end side of the connecting shaft. And the fixing mechanism 14 configured in this way
are attached to the left and right positions of the upper and lower pair of door plates 13a and 13b so that they can be folded in half, and are always pressed outward between the operating parts 26 and 26 of the left and right pair of connecting shafts 24 and 24. A spring 27 is interposed between the upper strut 5 and the lower strut 3 of the pair of columns 1 and 2, and the outer ends of the connecting shafts 24 and 24 intervene in the closed state in which the upper strut 5 is lowered. Engagement holes 28 and 29 are provided, respectively, for allowing the connection. Therefore, in the closed state, the outer ends of the pair of connecting shafts 24, 24 are in the engagement holes 28, 29, respectively.
The upper support 5 is engaged with the lower support 3 to maintain the lowered state of the upper support 5 and the expanded state of the door body 12. 3
0 is a biasing means that always biases elasticity against the door body 12 in the direction of its expansion, and is composed of a coil spring.
This is fitted onto the outer periphery of the fitting shaft 21 of the one bearing member 16, and the leg portions 30a, 3 at both ends thereof.
0b is locked to a pair of bearing members 15 and 16 in a loaded state. Door body 1 configured in this way
2, support shafts 31, 31 protruding from the upper side of the upper door plate 13a are rotatably pivoted to the upper end of the upper support column 5, and a protruding shaft 32 protruding from the lower side of the lower door plate 13b; 32 is engaged with the guide rail 7, it is interposed between the left and right pair of columns 1 and 2.
The door body 12 has two upper and lower door plates 13a and 13b.
A pressing mechanism 33 is provided to maintain the folded state. As shown in FIG. 8, this compression mechanism 33 includes both ends 34a, 34 of a coil spring 34 that is housed inside the upper edge of the upper door plate 13a and extends in the width direction.
b are led out to the outside through holes 31a provided in the support shaft 31, and their ends are connected to the protruding shafts 3, respectively.
2, and the elasticity of this compression mechanism 33 is preferably achieved by connecting the upper and lower door plates 13a,
13b is set so as to overcome the elasticity of the biasing means 30 when folded in half.

Therefore, in the closed state shown in FIGS. 1, 2, and 5, the upper support 5 is lowered and the columns 1 and 2 are formed in the shortest length, and the spiral springs 11a and 11b of the balancer mechanism 8 are The collars 10, 10 are fed out from the collars 10, 10 and the fixed portion 35,
35 extends the longest, and the stopper 25 is biased by the spring 27 so that one bearing member 16
and the outer end of the connecting shaft 24 is inserted into the engagement hole 28 of the upper column 5 and the engagement hole 29 of the lower column 3 to prevent the upper column 5 from rising with respect to the lower column 3, The door body 12 is unfolded in a vertical plane. Then, from this closed state, spring 2
When the left and right operation parts 26, 26 are grasped at the same time against the urging force of 7 and brought close to each other, the connecting shaft 2
The outer ends of 4 and 24 are first inserted into the engagement hole 2 of the lower support column 3.
9 and allows the upper support 5 to rise relative to the lower support 3. Therefore, if the upper support 5 is pushed up together with the door 12 in this state, the load between the upper support 5 and the door 12 is balanced by the balancer mechanism. As a result, the upper column 5 can be raised with an extremely light force, and the columns 1 and 2 are fully extended as shown in FIG. In this state, the upper support 5
Since the door body 12 is inserted into the connecting shaft 24 and is in the engaged state, the door body 12 rises together with the upper strut 5 in the unfolded state, and the spiral springs 11a and 11b are wound around the collars 10 and 10. taken. Next, when the operating parts 26, 26 are gripped even more strongly against the spring 27, the outer end of the connecting shaft 24 also escapes from the engagement hole 28 of the upper support column 5, and the door body 12 is attached to the upper support column. 5 is released, and the spring force of the coil spring 34 overcomes the spring force of the biasing means, and the protruding shaft 32 is lifted up along the guide rail 7, and the upper door plate 13a and the lower door plate 13b are lifted up. The door is folded in two using the connecting shaft 24 as a pivot, and the door is in an open state as shown in FIGS. 3 and 4. In addition, when closing the door from this state, it is sufficient to perform the operation completely opposite to the above. In this case, since the spring 27 is in a loaded state, the connecting shaft 24 automatically closes the engagement hole 28 without operating the operating part 26. , 29.

As described above, according to the present application, the door body can be moved between the closed state and the open state with a light force, which is extremely convenient for use, and the door body can be retracted in the open state. Since there is no need to provide extra space at or near the gate, the gate space can be effectively used for passing through, especially for loading and unloading cars, etc., and the structure is simple and can be provided at low cost. It has the following advantages.

[Brief explanation of drawings]

The drawings show an embodiment of the present application, and FIG. 1 is a partially cutaway overall front view showing the door in a closed state, FIG. 2 is a right side view of FIG. 1, and FIG. 3 is a partial view showing the door in an open state. A notched overall front view, FIG. 4 is a sectional view taken along the - line in FIG. 3, and FIG. 5 is an enlarged sectional view taken along the - line in FIG. 1.
Figure 6 is an enlarged sectional view taken along the - line in Figure 3, Figure 7 is an enlarged sectional view taken along the - line in Figure 3, Figure 8 is a partially broken perspective view of the door body, and Figure 9 is an exploded view of the fixing mechanism. FIG. In the figure, 1 and 2 are column bodies, 3 is a lower support, 4 is an upper plate, 5 is an upper support, 7 is a guide rail, 8 is a balancer mechanism, 9 is a support rod, 10 is a collar, 11a, 11
b is a spiral spring, 12 is a door body, 13a is an upper door plate, 13b is a lower door plate, 24 is a connecting shaft, 28 and 29 are engagement holes, 32 is a protruding shaft, 33 is a compression mechanism, 3
4 is a coil spring.

Claims (1)

[Claims for Utility Model Registration] (1) A balancer consisting of a fixed lower strut and an upper strut fitted outside the fixed lower strut so that it can be raised and lowered, and that balances the load applied to the upper strut between the upper strut and the lower strut. A door body consisting of a pair of upper and lower door plates and a connecting shaft that connects them so that they can be folded in half and is movable in the longitudinal direction is placed between a pair of telescoping column bodies equipped with a mechanism. The upper ends of both sides are rotatably pivotally connected to the upper ends of the upper support pillars, and the protruding shafts provided at the lower ends of both sides of the lower door plate are engaged with guide rails provided in the longitudinal direction of the outer surface of the upper support pillar, and the upper support and the lower support are provided with engagement holes that engage with the outer ends of the connecting shafts when the upper support is lowered, and the door body is always biased with elasticity in the bifold direction. A gate characterized by being equipped with a suppression mechanism. (2) The gate according to claim 1 of the utility model registration claim, in which the lower strut and the upper strut are formed from a rectangular cylinder. (3) The gate as set forth in claim 1 or 2 of the utility model registration claim, in which the upper and lower door plates are formed to have the same shape and size. (4) The balancer mechanism consists of a support rod extending downward from the center of the upper plate of the upper support rod, a pair of collars rotatably supported at the lower end of the support rod, and one end of which is fixed to each collar and the other end of the support rod of the lower support rod. The gate according to claim 1, 2, or 3 of the utility model registration, which comprises a pair of constant force spiral springs fixed to the upper ends of opposing inner surfaces. (5) Utility Model Registration Claims Paragraphs 1 and 2, in which the compression mechanism consists of a coil spring, with both ends thereof extending from both sides of the upper door plate, and the ends thereof being fixed to a protruding shaft. The gate described in Section 3, Section 3 or Section 4.