JPH0723507Y2 - Over-sliding door lifting device - Google Patents

Description

[Detailed Description of the Invention] [Object of the Invention] (Industrial field of application) The present invention relates to an oversliding door lifting device,
For example, a high lift type when the ceiling is higher than the opening and there are obstacles in the depth direction, that is, a type in which the sliding door is housed in the ceiling and the down wall, and the depth of the horizontal rail is reduced, and The present invention relates to a high lift contour type, that is, a type in which sliding doors are housed in a ceiling and a down wall portion according to a roof slope.

(Prior Art) Conventionally, as such a high-lift type and high-lift contour type oversliding door lifting device, for example, a winding drum is rotatably mounted on the inside left and right upper parts of a down wall part, and the left and right winding parts are The take-up drum has a structure in which the right and left wires for raising and lowering the sliding door are rewound so that the left and right take-up drums have horizontal rails with an inclination angle of, for example, 15 For both degrees and 30 degrees, use one type in which the parallel winding part that uniformly winds the wire in parallel and the taper winding part that winds the wire at a gradient of approximately 50 degrees are integrally formed. The reality is that it will be done.

(Problems to be solved by the invention) As described above, in the winding drum having the integrated structure and the taper winding portion having an inclination of about 50 degrees, the sliding door height relative to the descending wall portion is, for example, 300 to 3000 mm. , When the gradient value of the horizontal rail portion is, for example, 0 to 30 degrees, when the opening portion is closed by the sliding door, when the sliding door is pulled up with respect to the down wall portion, and the opening portion is substantially half opened, In addition, when the sliding door is further pulled up to open the opening and the upper part of the sliding door moves to the horizontal rail portion, a poor balance may occur, which is a safety problem.

Therefore, the present invention has been made in view of such a problem, and the winding drum is configured by a parallel winding body and a taper winding body which are separate bodies, and On the other hand, it is possible to selectively connect arbitrary taper winding bodies having different wire winding gradients, whereby a winding having a wire winding gradient according to the rising height dimension of the sliding door and the gradient value of the horizontal rail portion. An object of the present invention is to provide a highly safe over-sliding door lifting device capable of lifting and holding sliding doors of various types such as a high lift type in a well-balanced manner by using a picking drum.

[Constitution of device]

(Means for Solving the Problem) The oversliding door lifting device of the present invention is provided with left and right guide rails, a sliding door vertically movable between the left and right guide rails, and the sliding door via a wire. A winding drum for moving up and down, the winding drum including a parallel winding body having a wire winding groove, and the wire winding body detachably attached to at least one end of the parallel winding body. The tape winding body is formed by forming a wire winding groove continuous to the groove with a predetermined gradient.

(Operation) In the oversliding door lifting / lowering device of the present invention, the taper winding body having a predetermined slope is detachably connected to one end of the parallel winding body. As a result, the wire winding groove of the taper winding body having a predetermined gradient and the wire winding groove of the parallel winding body are continuously formed. Then, the wire of the sliding door of various types such as the high lift type is sequentially wound by the series of wire winding grooves, and the balance of the sliding door is maintained.

Embodiment An embodiment of the present invention will be described below with reference to the drawings.

In the figure, reference numeral 1 denotes a column that is vertically installed on the left and right sides of the opening A, and guide rails 2 are fixed to the left and right columns 1.
The left and right guide rails 2 extend from the opening A upward inward of the down wall B and extend vertically from the upper end of the vertical rail 3 along the ceiling wall C. It is composed of a horizontal rail portion 4.

Reference numeral 5 denotes a sliding door. The sliding door 5 is composed of a large number of panels 6 rotatably connected to left and right end portions, an intermediate portion, and a left and right portion via hinges 7, respectively. Guide rollers 8 engaged in the left and right guide rails 2 are rotatably mounted on the hinges 7 at the left and right ends, respectively.

Further, 9 is a bracket fixed to the upper end vicinity of the left and right columns 1, and the left and right brackets 9 are the down wall B.
And a ceiling wall C, the winding shaft 11 is wound between the left and right brackets 9 and the spring 10 is wound around the left and right parts.
A winding drum 12 for winding the wire is fixed to both ends of the.

The winding drum 12 is composed of a cylindrical parallel winding body 13 and a conical taper winding body 14. A bearing body 17 having an insertion hole 16 for inserting and fixing the winding shaft 11 through a plurality of radial support pieces 15 is formed at the center of the parallel winding body 13. A wire winding groove 18 is formed in a spiral shape in the length direction of the outer peripheral surface of the wire winding groove 18. A thread groove 19 is formed at one end of the wire winding groove 18, and other wire winding grooves 18 are formed. Stopper at the end
20 is formed in a flange shape. Further, the taper winding body 14 has a bearing body 23 having an insertion hole 22 at the center thereof through which the winding shaft 11 is inserted through a plurality of radial support pieces 21.
Is formed, and a wire winding groove 25 having a predetermined pitch is formed in a spiral shape along the taper surface on the outer peripheral surface of the taper portion 24 formed with a predetermined gradient of the taper winding body 14. A thread groove 26 is formed on the inner wall portion of the taper portion 24 at the reduced-diameter end of the winding groove 25 so as to be detachably and replaceably screwed into the thread groove 19 of the parallel winding body 13. Thus, in the taper winding body 14, the gradient of the taper portion 24 and the pitch of the wire winding grooves 25 formed in the taper portion 24 are such that the height h of the sliding door 5 is increased with respect to the height H of the opening A. And a plurality of types of gradients and pitches that can correspond to the gradient values of the horizontal rail portion 4 are prepared, and one selected from the plurality of types of taper winding bodies 14 is the parallel winding body 13 described above. It is configured to be detachably and replaceably connected to one end of the through the thread grooves 19 and 26. The wires 27 for moving the sliding door 5 up and down are wound and unwound by the left and right winding drums 12.

In the structure thus configured, the thread groove 19 at one end of the parallel winding body 13 is selected so as to be able to comply with the rising height dimension h of the sliding door 5 and the gradient value of the horizontal rail portion 4. One of the taper winding bodies 14 is provided with its thread groove 26.
And fix it by screwing. Thereby, the wire winding groove 25 of the taper winding body 14 having a predetermined gradient and the wire winding groove 18 of the parallel winding body 13 are continuously formed, and the winding drum for wire winding and rewinding is formed. 12 are composed.

Next, the winding drum is attached to both ends of the winding shaft 11.
12 is a through hole 16 of the parallel winding body 13 and the taper winding body 14
It is inserted and fixed through the insertion hole 22 of. In addition, one end of the left and right wires 27 is fixed to the winding ends of the taper winding body 14 of the left and right winding drums 12, and the left and right wires
The other end of 27 is fixed to the left and right hinges 7 at the lower end of the sliding door 5 via brackets (not shown).

Next, when closing the opening A, the winding shaft 11
As a result, the left and right winding drums 12 are rotated in the direction in which the wires 27 are unwound, and the respective wires 27 are wound in parallel.
13 wire winding groove 18 to taper winding body 14 wire winding groove
The sliding doors 5 are sequentially rewound toward 25, and the sliding doors 5 pass through the left and right upper and lower guide rollers 8 and the left and right guide rails 2.
Then, the sliding door 5 closes the opening A as shown in FIG.

When the opening A is opened, the winding shaft 11 rotates the left and right winding drums 12 in the direction of winding the wires 27, and the respective wires 27 are tapered as shown in FIG. The wire winding groove 25 of the winding body 14 is sequentially wound from the winding end portion of the large diameter portion toward the small diameter portion, and
The sliding door 5 is sequentially lifted along the vertical rail portions 3 of the left and right guide rails 2 via the left and right upper and lower guide rollers 8. Then, as shown in FIG. 6, the left and right wires 27 are wound up in the small diameter portion of the wire winding groove 25 of the taper winding body 14, and the sliding door 5 is pulled up with respect to the down wall portion B. As shown in the figure, the opening A is opened in a substantially half-opened state.

Further, the winding shaft 11 rotates the left and right winding drums 12 in the direction for further winding the wires 27, and each of the wires 27 is wound in parallel from the small diameter portion of the wire winding groove 25 of the taper winding body 14. The wire 13 is sequentially wound from one end of the wire winding groove 18 of the body 13 toward the other end, and the sliding door 5 is horizontally arranged from the vertical rail portion 3 of the guide rail 2 via the upper, lower, left, and right guide rollers 8. The rail portion 4 is sequentially raised. Then, as shown in FIG. 8, the left and right wires 27 are wound up inside the stopper 20 at the other end of the wire winding groove 18 of the parallel winding body 13, and the sliding door 5 moves downward. B
Is pulled up to the predetermined height h in the inner part of
As shown in FIG. 7, the opening A is opened.

In this way, the taper winding body 14 is selected according to the rising height dimension h of the sliding door 5 and the gradient value of the horizontal rail portion 4, and this is connected to one end of the parallel winding body 13 to wind the winding drum.
With the configuration of 12, the sliding door 5 is used in any of the cases where the opening A is closed by the sliding door 5, the opening A is substantially half opened, and the opening A is opened. Are sequentially pulled up, and this is transferred and held in a well-balanced manner.

Next, in the above embodiment, the taper winding body 14 is a parallel winding body.
Although the case of detachably connecting to one end of 13 has been described, the invention is not limited to this, and as shown in FIG. 9, the taper winding bodies 14 can be detachably attached to both left and right ends of the parallel winding body 13. You may make it connect. In this case, the taper winding bodies 14 that are selectively used at both left and right ends of the parallel winding body 13 have the same gradient and groove pitch on the left and right sides according to the height dimension h of the sliding door 5 and the gradient value of the horizontal rail portion 4. Alternatively, the gradient and groove pitch may be different on the left and right. As a result, it is possible to deal with a special accommodation, that is, a roof slope and a special shape.

[Effect of device]

According to the present invention, the winding drum is constituted by the parallel winding body having the wire winding groove and the taper winding body having the wire winding groove which are separate bodies from each other, and Since at least one end can be connected selectively with any taper winding body having a different wire winding gradient, the wire winding gradient according to the rising height of the sliding door and the gradient value of the horizontal rail portion can be selected. It is possible to provide a highly safe oversliding door elevating device capable of easily elevating and holding sliding doors of various types such as a high lift type in a well-balanced manner. .

[Brief description of drawings]

1 shows an embodiment of the present invention. FIG. 1 is a perspective view of an oversliding door lifting device, FIG. 2 is an enlarged sectional view of the winding drum, and FIGS. 3 to 8 show a sliding door. FIG. 3, FIG. 5, FIG. 7 and FIG. 7 show the operational relationship with the winding drum, and FIG. 3, FIG. 5 and FIG. 7 are explanatory views showing the pulled-up state of the sliding door, and FIG. 4, FIG. 6 and FIG. FIG. 9 is an explanatory view showing a wire winding state by the winding drum corresponding to the pulled-up state of FIG. 9, and FIG. 9 is an enlarged sectional view of the winding drum showing another embodiment. 2 ... Guide rail, 5 ... Sliding door, 12 ... Winding drum, 13 ... Parallel winding body, 14 ... Tapered winding body, 18 ... Wire winding groove, 25 ... Wire winding groove.

Claims (1)

[Scope of utility model registration request] 1. A winding drum, comprising: left and right guide rails; a sliding door that is vertically movable between the left and right guide rails; and a winding drum that raises and lowers the sliding door via a wire. Is a parallel winding body having a wire winding groove and a wire winding groove which is detachably attached to at least one end portion of the parallel winding body and which is continuous with the wire winding groove at a predetermined gradient. An oversliding door elevating device comprising: the formed taper winding body.