JP2541891Y2 - Lifting device for seat shutter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a lifting device for a seat shutter.

The seat shutter is a film shutter that is mainly attached to the entrance of a vehicle such as a factory or a warehouse.

(Prior art and its problems) A conventional sheet shutter winds a film-shaped shutter in a space for closing an entrance on a winding shaft that is stretched along an upper edge of the entrance, and opens and exits the entrance. It is configured to close.

For this reason, at the beginning of winding, the entire film shutter that closes the entrance must be wound up, and a large rotational torque is required.

On the other hand, at the beginning of unwinding, the hanging load of the film-shaped shutter is close to zero, so natural unwinding using the own weight of the shutter cannot be expected. Sometimes you have to apply some external force.

On the other hand, curtains are respectively set on both side edges of the aggregate extending in the horizontal direction and arranged in several stages at intervals in the vertical direction, and the aggregate itself located in the internal space of each curtain is arranged in the vertical direction. Through the hole, pass the towing band through the hole from above, fix the lower end of the band to the lowermost aggregate, and wind or unroll the upper end of the band. The method of opening and closing the curtain by shortening and opening the vertical interval while keeping the vertical position of the material as it is,
This is proposed in Japanese Utility Model Publication No. 60-15908.

However, this means that, first, a curtain must be provided on each of the two side edges of the aggregate, and the curtain is placed between the aggregates and bent in a direction away from each other to open the curtain. Due to the folding, there is a structural problem in the robustness of the curtain itself.

Secondly, since the aggregate itself is merely pulled up while keeping its vertical position as it is, an unnecessary curtain storage space is required as a doorway in the height direction of the doorway.

Third, in this type of construction, the traction band is severely worn and damaged, and its mounting needs to be replaced, but the traction band must be passed through the hole in the aggregate between the two curtains. Therefore, there is a problem that the replacement work becomes extremely complicated.

Japanese Patent Application Laid-Open No. 63-165683 discloses that a towing band is hung from above one side of a hanging curtain to dive under the curtain, and is drawn upward along the other side of the curtain. There has been proposed a system in which one end of this band is wound up and the U-shaped depth of the band is gradually reduced to wind up the curtain from the lower end side of the curtain.

However, in this method, firstly, the towing belt simply dive under the curtain,
If the curtain that is being unwound is misaligned once, it cannot be corrected, and the roll-shaped curtain loses its axial balance and tilts or slips, resulting in a dangerous state or inoperability. I fall.

Second, because the towing band directly hits the surface of the curtain, and the friction with the curtain is used to raise or lower the speed of the curtain, the surface of the curtain may be scratched. However, there is a problem that not only the winding itself is damaged but also the belt itself is damaged earlier.

Further, since the sheet shutter is mainly attached to the entrance of a vehicle such as a factory or a warehouse, the film-shaped shutter is relatively large, unlike a blind or a shutter for home use. It has a considerable weight, and when it is wound or unwound, a large impact is easy to run and a high degree of robustness is required.

(Means for Solving the Problems) The present invention has been made for the purpose of solving the above-mentioned problems, and an aggregate is horizontally arranged over a plurality of stages at appropriate intervals in a vertical direction inside a vertically hanging film shutter. ,
On one surface side of the curtain-shaped shutter, a suspension member that exposes a part of the aggregate and has a through hole formed in a vertical direction is provided, and the suspension members are arranged in a row in a vertical direction at appropriate intervals in a horizontal direction. Then, the other end of the traction member, one end of which is fixed to the upper edge side of the entrance, is inserted into each through hole from the uppermost suspension member disposed on the film shutter to the lowermost suspension member. Thereafter, the film shutter is further pulled upward along the one surface side of the film shutter, connected to a winding portion provided on the upper edge side of the entrance and exit, and the traction member is wound by the winding portion, thereby forming a film. The film shutter is pulled down by pulling up and unwinding the shutter, thereby opening and closing the entrance.

(Operation) The film shutter of the present invention is different from the conventional roll type,
Aggregate is disposed inside the film shutter, and on one surface side of the film shutter, a traction member is passed through a suspension member that exposes a part of the aggregate, and a winding unit includes a film shutter. not,
By winding only the traction member, the film shutter is sequentially pulled up from the lowermost suspension member to the upper suspension member via the suspension member and the aggregate, and between the suspension members. The membrane is collected step by step sequentially in the U-folded state, folded in a wavy form and suspended.

Further, just by unwinding the traction member, the film shutter is dropped at a speed close to a natural fall by its own weight via the suspension member and the aggregate.

Hereinafter, the present invention will be described with reference to the drawings showing the embodiments.

In FIG. 1, reference numeral 20 in the figure is a vertically hanging film shutter, reference numeral 21 is a band as a pulling member for vertically moving the film shutter 20 up and down, and reference numeral 22 is a film shutter for passing the band 21 through. A suspension member fixed to the shutter 20 is indicated by a reference numeral 10 which is a portal frame configured according to the shape of the entrance.

1 and 2, a groove 12 having a U-shaped cross section is formed in the left and right legs 11 of the portal frame 10, and the grooves 12, 12 of the left and right legs 11, 11 are mutually connected. The open sides are facing each other.

A beam portion 13 is bridged over the upper ends of the legs 11, 11, and a shaft (not shown) serving as a winding portion of a winding device for winding up the band 21 is provided in the beam portion 13. Has been passed.

As shown in FIG. 2, the free end side 20F of the band 21 is wound around this winding shaft, and the other fixed end side 20B is fixed to the upper edge side of the entrance / exit, for example, to an appropriate portion of the beam portion 13. Have been.

1, 3 and 4, the inside of the vertically suspended film shutter 20 is sewn so as to lie horizontally over a plurality of stages at appropriate intervals in the vertical direction. Thus, an aggregate 24 is provided.

On one surface side of the curtain shutter, a suspension member 22 is provided by exposing a part of the aggregate 24 from the shutter surface, and a through hole 23 is formed in the suspension member 22 so as to pass through in a vertical direction. It is.

As shown in FIG. 1, pipes 24 serving as aggregates are arranged at equal intervals in the vertical direction along the left and right end sides of the curtain shutter on the film shutter 20 so as to form a vertical line. It is lined up.

In the embodiment, as shown in FIG. 4, each suspension member 22 arranged in a vertical line is formed by extending a handle from a part of the aggregate in the longitudinal direction of the aggregate. The portion through which the finger passes is formed as a through hole 23 through which the band 21 passes, and the through hole 23 is formed so as to be vertically oriented.

Further, the suspension member 22 is provided integrally with a pipe 24 as an aggregate sewn in a horizontal direction inside the film shutter 20.

A plurality of pipes 24 are sewn at appropriate intervals inside the film shutter 20, and suspension members 22 are arranged at both ends of each pipe 24 so as to be aligned in the vertical direction. It is.

In the embodiment shown in FIG. 3, the suspension member 22 is not provided on the pipe 24 sewn to the lowermost stage of the film shutter 20,
It may be provided in this.

The belts 21 and 21 as towing members are sequentially inserted from the upper side to the lower side through the through holes 23 of the suspension member 22 arranged as described above, toward the free end 21F side. Pipe 2
After dipping below 4 (when the suspension member 22 is also provided in the lowermost pipe 24, pass it through the through hole),
The film-like shutter 20 is pulled upward along the one surface side as it is, and is connected to the above-mentioned winding portion.

When the left and right bands 21 and 21 are simultaneously wound by the winding unit, the film-shaped shutter 20 is moved to the lowermost suspension member 2 at each lower end.
It is pulled up one after another from the upper and lower suspension members 22 and 22, and finally, as shown in FIG.
The whole 20 is collected in the beam 13 above the portal frame 10.

That is, the entrance is opened.

When closing the entrance, the winding section may be reversed and the band may be unwound.

In order to prevent the film shutter 20 from unraveling during this winding and unwinding, both ends of a pipe 24 sewn into the film shutter 20 as an aggregate are fitted into the groove 12 of the leg 11. Good to put.

The groove 12 guides the pipe to be moved up and down, and the film shutter 20
Is raised and lowered in order.

Reference numeral 30 shown in FIGS. 1 and 3 denotes a film-like shutter 20.
This is a control box for actuating and is attached to the leg 11 at an appropriate height.

(Effects of the Invention) According to the present invention, the film shutter is different from the conventional roll-type hoisting and lowering type in that the film itself is not wound up or unwound, but is suspended at the lowest stage. Since the members between the suspension members are sequentially pulled up from the members to the upper suspension members, and the membrane between the suspension members is gradually and sequentially collected upward in a state of being folded in a U-shape, a roll type The film can be pulled up in a very short time as compared with the case.

Further, since the film-like shutter that has been pulled up is gathered upward in a state of being folded into a U-shape, it can be dropped at a speed close to a natural fall by its own weight by unwinding the suspension member. The film can be pulled down in a very short time as compared with the roll type.

Therefore, the opening and closing of the entrance can be performed quickly and smoothly.

Further, according to the present invention, the curtain and the aggregate are integrated into one curtain to enhance the robustness of the curtain.

Further, the curtain shutter is integrated with the aggregate and the traction member is passed through the through hole of the suspension member exposed on one side of the curtain shutter, so that the connection with the curtain shutter is ensured, and the roll is rolled. There is no danger that the film-shaped shutter is displaced in the axial direction at the time of winding or unwinding, and an accident such as poor winding due to the lateral displacement is caused relatively frequently in the type.

Further, since the towing member is passed through the suspension member exposed to the outside of the curtain shutter, the work of replacing the towing member can be easily performed.

In addition, compared to a system in which the storages are simply stacked vertically, the winding is performed in a U-shape, so that there is no need for an unnecessary storage space as an entrance in the height direction of the entrance.

[Brief description of the drawings]

 1 is an overall perspective view of an elevating device for a seat shutter. FIG. 2 is a partially enlarged perspective view showing a raised state, and FIG. 3 is a partially enlarged perspective view showing a lowered state. FIG. 4 is an enlarged perspective view of the suspension member. 10 ... gate frame, 11 ... leg 12 ... groove, 13 ... beam 20 ... membrane shutter, 21 ... band (traction member) 21F ... band (free side), 21B ... band (Fixed end side) 22 ... suspension member, 23 ... through hole 24 ... pipe (aggregate) 30 ... control box

Claims (1)

(57) [Scope of request for utility model registration] An aggregate is disposed in a horizontal direction over a plurality of stages at appropriate intervals in a vertical direction inside a vertically suspended film-shaped shutter, and a part of the aggregate is disposed on one surface side of the curtain-shaped shutter. A suspension member which is exposed and has a through hole formed in a vertical direction is provided, and the suspension members are vertically arranged at appropriate intervals in a horizontal direction, and one end is fixed to an upper edge side of an entrance / exit. After the ends are inserted through the respective through holes from the uppermost suspension member disposed on the film shutter to the lowermost suspension member, further upward along one surface side of the film shutter. The film shutter is pulled up by winding up the traction member at the winding portion, and the film shutter is lowered by unwinding the film shutter, and A lifting / lowering device for a seat shutter, which opens and closes the shutter.