JP2010174529A - Mounting structure of shutter opening/closing machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mounting structure of a shutter opening/closing machine, which is employed for use of a shutter opening/closing machine with a built-in shaft as an externally installed-type shutter opening/closing machine. <P>SOLUTION: This mounting structure of the shutter opening/closing machine employs a mounting base 6 which comprises a tubular portion 60 the shutter opening/closing machine 5 is inserted, and a mounting plate 61 formed on the base-end side of the tubular portion 60. A plurality of fixing members 7 are inserted into a gap, which is formed between an inner surface of the tubular portion 60 and an outer surface of a case of the shutter opening/closing machine formed with a plurality of radiating fins 500, from an leading end-side opening in the circumferential direction of the tubular portion 60 at intervals. The shutter opening/closing machine 5 inserted into the tubular portion 60 is fixed by fixing each fixing member 7 to the leading end-side portion of the tubular portion 60 with of a bolt 8 provided from the leading end-side outer surface of the tubular portion 60, while having the fixing member 7 contacted with the radiating fins 500 and the inner surface of the tubular portion 60. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

The present invention relates to a shutter opening / closing device mounting structure.

The shutter opening / closing device includes a so-called built-in type provided inside the shutter curtain winder and a so-called external type installed outside the shutter curtain winder. The built-in shutter switch is described in Patent Document 1, and the external shutter switch is described in Patent Document 2. 9 and 11 show a conventional built-in shutter switch mounting structure and an external shutter switch mounting structure, respectively. Elements having the same or similar functions as the constituent elements of the present invention. Are indicated with the same reference number with “′”.

FIG. 9 shows a mounting structure of a conventional built-in type shutter opening / closing device. The shutter opening / closing machine 5 is provided inside the drive-side end of the winding shaft 2 ′. The shutter opening / closing machine 5 is installed via a mounting base 6 ′ having a cylindrical part 60 ′. Yes. The base end side of the mounting base 6 ′ is connected to the driving side bracket 11, and the mounting base 6 ′ extends from the driving side bracket 11 in the end portion of the take-up shaft 2 ′ so as to be brought out. The shutter opening / closing machine 5 is inserted into the cylindrical portion 60 ′ of the mounting base 6 ′, and the output shaft 54 of the shutter opening / closing machine 5 projects beyond the tip of the mounting base 6 ′, and is integrated with the winding shaft 2 ′. It is connected to a wheel 12 that rotates.

In the built-in mounting structure, the rotational force of the output shaft 54 of the shutter opening / closing machine 5 is directly transmitted to the take-up shaft 2 ′. In order to release an unreasonable force that may be generated when the rotational force is transmitted, the shutter The base end side of the opening / closing machine 5 is slightly rotatable up and down in FIG. This will be specifically described. The shutter opening / closing machine 5 and the cylindrical portion 60 ′ of the mounting base 6 ′ are connected via a support tool 13 shown in FIGS. The support 13 is formed with a plate-like main body 130, a disk-like raised portion 131 integrally formed on the surface of the main body 130, and a hole 132 that penetrates the raised portion 131 and the main body 130. A circular opening for receiving the raised portion 131 of the support 13 is formed in the tubular portion 60 ′. In a state where the raised portion 131 is received in the opening formed in the tubular portion 60 ′, the circular attachment lid 15 is overlapped from the outside of the tubular portion 60 ′, and is supported by the attachment lid 15 so as to sandwich the tubular portion 60 ′. The tool 13 is fixed with screws 16. A recess 510 corresponding to the support 13 is formed on the outer surface of the case of the shutter opening / closing machine 5 on the output shaft side. The recess 510 is fitted into the main body 130 of the support 13 and passes through the hole 132. The shutter opening / closing machine 5 is fixed to the support 13 by 14. With this configuration, the base end side of the shutter opening / closing machine 5 can be slightly rotated in the vertical direction in FIG. 9 via the disk-like raised portion 131.

FIG. 11 shows a mounting structure of a conventional external shutter opening / closing device. The case of the shutter opening / closing device 5 'is provided with a mounting plate P extending outward from the case, and by inserting bolts or screws into the mounting holes of the mounting plate P, the shutter opening / closing device 5' is located above the opening. It fixes to the support member provided in.

Although there is a desire to use the built-in type shutter opening / closing device 5 as shown in FIG. 7 as an external type, in that case, the mounting structure of the built-in type shutter opening / closing device as shown in FIG. In terms of structure, there are the following problems.

As described above, in the built-in type shutter opening / closing mechanism, the shutter opening / closing device 5 is allowed to rotate with respect to the cylindrical portion 60 ′. However, in the external shutter opening / closing device, the output of the shutter opening / closing device is used. Since the shaft and take-up shaft are transmitted via the chain, if the built-in shutter switch mounting structure is used as it is for mounting the external shutter switch, the shutter switch will move and the chain will be Rotational force cannot be transmitted well.

On the other hand, since the built-in type shutter opening / closing machine 5 shown in FIG. 7 does not have the mounting plate P like the shutter opening / closing machine 5 ′ shown in FIG. 11, the shutter opening / closing machine 5 is attached to the support member as shown in FIG. Direct mounting is difficult.

JP 2006-9450 A

JP 2004-299804 A

SUMMARY OF THE INVENTION An object of the present invention is to provide a shutter opening / closing device mounting structure for using a shaft built-in type shutter opening / closing device as an external shutter opening / closing device.

The present invention is a shutter opening / closing device mounting structure using a mounting base including a cylindrical portion having openings at both ends on the distal end side and the proximal end side, and a mounting plate formed on the proximal end side of the tubular portion. There,
The mounting base is attached to the support member provided above the opening via the mounting plate so as to be opposed to the driving side end of the winding shaft,
A motor is built in the case of the shutter switch, and an output shaft that transmits the rotation of the motor to the take-up shaft protrudes from the end of the shutter switch. A plurality of rising pieces are formed to rise from the outer surface and extend in the length direction of the case,
The shutter opening / closing machine is inserted into the cylindrical portion so that the output shaft protrudes from the opening on the base end side,
In the gap formed between the inner surface of the cylindrical part and the outer surface of the case of the shutter opening / closing machine in which the plurality of rising pieces are formed, a plurality of fixing members from the opening on the tip end side are the cylindrical part Is inserted in the circumferential direction of the
Each fixing member is fixed to the distal end portion of the tubular portion by a fastening member provided from the outer surface on the distal end side of the tubular portion in a state where the fixing member is in contact with the rising piece and the inner surface of the tubular portion. By fixing the shutter opening and closing machine inserted in the cylindrical part,
A shutter opening / closing device mounting structure.
In one aspect, the plurality of rising pieces are a plurality of heat radiating fins.
The fastening member is typically a screw (including a bolt).

  In one aspect, the fixing member includes an upper piece and opposite left and right side pieces, the side piece is in contact with the rising piece, and the upper piece is in contact with the inner surface of the cylindrical portion. And fixed by the fastening member.

In one aspect, sprockets are respectively provided at the drive side ends of the output shaft and the winding shaft, and the rotation of the output shaft is transmitted to the winding shaft via a chain wound between the sprockets. Configured to
In the tubular part, one fixing member is inserted at a position opposite to the extending direction of the chain, and two fixing members are positioned opposite to each other in the circumferential direction of the tubular part with respect to the one fixing member. The shutter opening / closing machine inserted into the cylindrical portion is fixed using at least three fixing members.
When the chain extends in the horizontal direction, the two fixing members are provided above and below the cylindrical portion.

In the mounting structure according to the present invention, a mounting base and a fixing member are prepared, and a plurality of rising pieces formed on the outer surface of the case of the shutter switch are used, so that the shutter switch with a built-in shaft can be opened and closed. It can be used as a machine. In the mounting structure according to the present invention, since the cylindrical portion and the shutter opening / closing device are fixed on the side away from the output shaft on which the force of the chain acts, that is, the tip side portion of the cylindrical portion, the mounting state is Stabilize. Further, as the rising piece, a heat radiating fin that is often provided in the shutter opening / closing device can be used. In this case, the number of parts constituting the mounting structure can be reduced.

By forming the fixing member from the upper piece and the opposing left and right side pieces, the fixing member is formed between the inner surface of the cylindrical portion and the outer surface of the case of the shutter switch in which the plurality of rising pieces are formed. The fixing member can be inserted well into the gap, and the contact state between the rising piece and the inner surface of the cylindrical portion can be easily obtained.

In the tubular part, one fixing member is inserted at a position opposite to the extending direction of the chain, and two fixing members are positioned opposite to each other in the circumferential direction of the tubular part with respect to the one fixing member. In the case of inserting the chain, the fixing on the side opposite to the extending direction of the chain can effectively counter the force acting on the chain C.

It is a schematic front view of a shutter device. It is a schematic longitudinal cross-sectional view of a shutter apparatus. It is a figure which shows the attachment structure of the shutter opening / closing machine which concerns on this invention. It is the figure which looked at FIG. 3 from the side. It is a figure which shows the mount in the mounting structure of the shutter opening / closing machine which concerns on this invention. It is a figure which shows the fixing member in the attachment structure of the shutter opening / closing machine which concerns on this invention. It is a figure which shows the shutter opening / closing machine combined with an external type and a built-in type. It is the figure which looked at FIG. 7 from the side. It is a figure which shows the attachment structure of the conventional built-in type shutter opening / closing machine. (A)-(C) is a figure which shows the support tool used with the attachment structure shown in FIG. 8, (D) is a figure which shows mounting | wearing of the support tool with respect to the cylindrical part of a mount. It is a figure which shows the conventional external type shutter opening / closing machine and the attachment structure of the said opening / closing machine.

FIG. 1 is a schematic front view of the shutter device, and FIG. 2 is a longitudinal sectional view. A shutter case 1 is provided above the building opening, and a winding shaft 2 is rotatably provided in the shutter case 1, and the upper end of the shutter curtain 3 is connected to the winding shaft 2. . The shutter curtain 3 is wound around the winding shaft 2 by the rotation of the winding shaft 2 or is drawn out from the winding shaft 2 so as to descend. Guide rails 4 for receiving and guiding both left and right ends of the shutter curtain are erected on the left and right sides of the opening. The winding shaft 2 is rotationally driven by a shutter opening / closing machine 5.

As shown in FIGS. 7 and 8, the shutter opening / closing machine 5 includes a motor part, a speed reduction part, and a brake part as components, and the outer shape of the shutter opening / closing machine 5 is the same as that of the first case 50 containing the motor. The second case 51 is provided on the distal end side of the first case 50 and incorporates a speed reducing portion, and the third case 52 is provided on the proximal end side of the first case 50 and incorporates a brake portion. The first case 50, the second case 51, and the third case 52 have a generally cylindrical outer shape. Since the functions of these components are well known to those skilled in the art, detailed description thereof is omitted. Each component may be built in a common case.

A wiring 53 extends from the first case 50 and the third case 52. An output shaft 54 for transmitting the rotational force of the motor from the second case 51 to the winding shaft 2 protrudes. On the peripheral surface of the first case 50, a plurality of radiating fins 500 extending from the peripheral surface and extending in the length direction of the first case 50 are formed. The outer diameter of the first case 50 including the tip of the radiating fin 500 and the outer diameter of the second case 51 are substantially the same, although the latter is slightly larger. The outer diameter of the third case 52 is smaller than the outer diameter of the first case 51. Further, as shown in FIG. 8, a flat portion 51A is formed on the outer surface of the second case 51, a concave portion 510 is formed in the flat portion 51A, and a screw hole 510A is provided in the concave portion 510. .

The shutter opening / closing machine 5 is provided so as to be opposed to the end portion on the drive side in the length direction of the winding shaft 2. Sprockets S1 and S2 are provided at the end of the winding shaft 2 and the output shaft 54 of the switch 5, respectively, and a transmission chain C is wound between the sprockets S1 and S2. The rotational force of the output shaft 54 is transmitted to the winding shaft 2 via the transmission chain C.

The shutter switch 5 can also be used as a shaft built-in switch shown in FIG. As described in the background art, the recess 510 and the screw hole 510A are mainly used for a mounting structure with a built-in shaft. Further, as apparent from the comparison with the conventional external switch 5 ′ shown in FIG. 11, the shutter switch 5 is provided with a mounting plate (outside the outer surface of the first case 50 and the second case 51). It does not have the mounting plate P) in the switch 5 '.

In the present invention, the shutter opening / closing machine 5 is attached to the support portion 9 attached above the opening by an attachment structure using the attachment base 6 and the fixing member 7. The mounting base 6 is attached to the bracket 90 of the support portion 9 in a cantilevered manner with a bolt 10, and the shutter opening / closing machine 5 is attached to the mounting base 6 using a fixing member 7.

As shown in FIG. 5, the mounting base 6 has a cylindrical portion 60 that houses the shutter opening / closing device 5, and extends outward from the base end side of the cylindrical portion 60 in a direction perpendicular to the length direction of the cylindrical portion 60. And a mounting plate 61 extending. Both ends of the cylindrical part 60 are openings. The internal space of the cylindrical portion 60 has dimensions and a shape that can receive the shutter opening / closing device 5, and further, in a state where the shutter opening / closing device 5 is received, the first case 50 and the inner surface of the cylindrical portion 60. In the meantime, a gap is formed through which the fixing member 7 can be inserted from the opening on the distal end side of the cylindrical portion 60.

As shown in FIG. 3, the shutter opening / closing device 5 is inserted into the cylindrical portion 60 with the third case 52 side leading from the opening on the proximal end side, and the shutter opening / closing device 5 is inserted into the cylindrical portion 60. In this state, the output shaft 54 protrudes from the opening on the proximal end side. In addition, the proximal end side portion of the first case 50 of the shutter opening / closing device 5 is located outside the opening on the distal end side of the cylindrical portion 60. Further, the half of the fixing member 7 inserted from the opening on the distal end side of the cylindrical portion 60 is located outside the opening on the distal end side of the cylindrical portion 60.

As shown in FIG. 5, the cylindrical portion 60 includes an arcuate curved portion 60 </ b> A that opposes and a planar portion 60 </ b> B that opposes, and has a generally cylindrical overall shape. A mounting hole 600 for the bolt 8 is formed on the distal end side of the curved portion 60A. In the illustrated embodiment, the three attachment holes 600 are formed at intervals of 90 degrees in the circumferential direction of the cylindrical portion 60. A plate 601 having a shape corresponding to the concave portion 510 of the shutter opening / closing device 5 is fixed to the inner surface of the flat surface portion 60B. An attachment hole 61 for attaching the attachment base 6 to the bracket 90 using the bolt 10 is formed in the attachment plate 61 of the attachment base 6.

As shown in FIG. 6, the fixing member 7 has a U-shape in cross-sectional view from opposing side pieces 70 and 71 and an upper piece 72 that connects the base ends of the side pieces 70 and 71. A nut 73 is formed (for example, welded) on the back side of the upper piece 72. In a state where the shutter opening / closing device 5 is inserted into the cylindrical portion 60, the fixing member 7 is inserted into a gap formed between the opening of the distal end of the cylindrical portion 60 and the inner surface of the cylindrical portion 60 between the radiating fins 500. To do. The inserted fixing member is in a state in which the side pieces 70 and 71 are in contact with the radiation fins 500 and the upper piece 72 is in contact with the inner surface of the cylindrical portion 60.

In the illustrated embodiment, the plurality of radiating fins 500 are composed of four groups in the circumferential direction, and each group includes four first fins 500A and second fins formed on both sides of the four first radiating fins 500A. The first fin 500A and the second fin 500B have substantially the same height (rise dimension). Each group is arranged at intervals in the circumferential direction. The interval between the adjacent second fins 500B of different groups corresponds to the width dimension of the upper piece 72 of the fixing member 7, and the two adjacent second fins 500B of different groups and the inner surface of the tubular portion 60 The fixing member 7 is inserted into the gap formed by the above. That is, the fixing member 7 is formed in a shape and size that fits a gap formed between two adjacent second fins 500B of different groups and the inner surface of the cylindrical portion 60.

In the state in which the fixing member 7 is inserted, the tips of the side pieces 70 and 71 are in contact with the lower end of the second fin 500B, and both ends of the upper piece 72 in the width direction, that is, the corners and sides of the side piece 70 and the upper piece 72 The corner portions of the piece 71 and the upper piece 72 are in contact with the inner surface of the curved portion 60A of the cylindrical portion 60, respectively. The fixing member 7 is inserted so that the position of the mounting hole 600 formed in the curved portion 60A of the cylindrical portion 60 and the position of the nut 73 formed in the upper piece 72 coincide with each other, and the curved portion 60A and the fixing member 7 are fixed with the bolt 8. To do. Movement of the shutter opening / closing device 5 in the circumferential direction within the cylindrical portion 60 is restricted by the two second fins 500B positioned so as to sandwich the side pieces 70 and 71 from both sides. The movement of the shutter opening / closing device 5 in the length direction in the cylindrical portion 60 is regulated by the frictional force of the contact portion between the side pieces 70 and 71 and the second fin 500B.

Further, the dimension of the mounting hole 600 is set slightly larger than the cross-sectional dimension of the shaft portion of the bolt 8, and the width dimension of the upper piece 72 is set slightly smaller so that play is generated with respect to the interval between the second fins 500B. Thus, as the bolt 8 is tightened, the fixing member 7 inserted between the second fins 500B is slightly inclined between the second fins 500B so that the fixing member 7 is engaged with the second fins 500B. It can be made to contact | abut, and the frictional force of the contact part of the side pieces 70 and 71 and the 2nd fin 500B can be enlarged more.

In the illustrated embodiment, as shown in FIG. 2, the fixing member 7 is inserted and fixed with the bolt 8 in two places, the upper and lower portions, the extending direction of the chain C (the direction of the sprocket S1 of the winding shaft 2), Is a total of three locations, one on the opposite side. By doing so, the two upper and lower positions are fixed against the weight of the shutter opening / closing device 5, and the fixing on the side opposite to the extending direction of the chain is opposed to the force acting on the chain C. The bolts 8 may be fixed at four or more locations by using four or more fixing members 7.

In the shutter opening / closing device 5, since the cross-sectional dimension of the second case 51 is larger than the cross-sectional dimension of the first case 50, the shape of the internal space of the cylindrical portion 60 can accept the cross-sectional shape of the second case 51. It is formed in size and shape. The flat surface portion 60B of the tubular portion 60 corresponds to the flat surface portion 51A of the second case 51, and the flat surface portion 60B of the tubular portion 60 and the shutter opening / closing device 5 in a state where the shutter opening / closing device 5 is inserted into the tubular portion 60. The plate 601 on the cylindrical portion 60 side is fitted in the concave portion 510 on the shutter opening / closing machine 5 side so as to be close to the flat portion 51A of the second case 51. By fitting the plate 601 into the recess 510 on the shutter opening / closing machine 5 side, the positioning of the shutter opening / closing machine 5 inserted into the cylindrical part 60 of the mounting base 6 is facilitated, and the shutter opening / closing in the cylindrical part 60 is facilitated. The movement of the machine 5 in the circumferential direction is restricted. Further, mounting holes 601A and 510A are formed in the flat portion 60B (plate 601) and the concave portion 510 so as to correspond to the positions, and the flat portion 60B and the shutter opening / closing device 5 are fixed by bolts 9. The bolt 8 is provided on the distal end side of the cylindrical portion 60, whereas the bolt 9 is provided on the proximal end side of the cylindrical portion 60, and the fixing with the bolt 9 has a role of assisting the fixing with the bolt 8. .

The present invention can be used for mounting a shutter switch.

2 Winding shaft 5 Shutter switch 54 Output shaft 500 Radiating fin 500A First fin 500B Second fin 6 Mounting base 7 Fixing member 8 Bolt 9 Bolt 10 Bolt
S1 sprocket
S2 sprocket
C chain

Claims (3)

A shutter opening / closing device mounting structure using a mounting base comprising a cylindrical portion having openings at both ends of the distal end side and the proximal end side, and a mounting plate formed on the proximal end side of the tubular portion,
The mounting base is attached to the support member provided above the opening via the mounting plate so as to be opposed to the driving side end of the winding shaft,
A motor is built in the case of the shutter switch, and an output shaft that transmits the rotation of the motor to the take-up shaft protrudes from the end of the shutter switch. A plurality of rising pieces are formed to rise from the outer surface and extend in the length direction of the case,
The shutter opening / closing machine is inserted into the cylindrical portion so that the output shaft protrudes from the opening on the base end side,
In the gap formed between the inner surface of the cylindrical part and the outer surface of the case of the shutter opening / closing machine in which the plurality of rising pieces are formed, a plurality of fixing members from the opening on the tip end side are the cylindrical part Is inserted in the circumferential direction of the
Each fixing member is fixed to the distal end portion of the tubular portion by a fastening member provided from the outer surface on the distal end side of the tubular portion in a state where the fixing member is in contact with the rising piece and the inner surface of the tubular portion. By fixing the shutter opening and closing machine inserted in the cylindrical part,
Mounting structure of shutter switch. The fixing member includes an upper piece and opposite left and right side pieces, the fixing piece in a state where the side piece is in contact with the rising piece and the upper piece is in contact with the inner surface of the cylindrical portion. Fixed in the
The shutter opening / closing device mounting structure according to claim 1. Sprockets are respectively provided at the drive side end portions of the output shaft and the winding shaft, and the rotation of the output shaft is transmitted to the winding shaft via a chain wound between the sprockets. And
In the tubular part, one fixing member is inserted at a position opposite to the extending direction of the chain, and two fixing members are positioned opposite to each other in the circumferential direction of the tubular part with respect to the one fixing member. And fixing the shutter opening / closing machine inserted into the cylindrical part using at least three fixing members,
The shutter opening / closing device mounting structure according to claim 1.

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