JPH04229040A - Motor fixing device - Google Patents

Abstract

PURPOSE: To obtain a compact unit for securing a motor at an arbitrary angle by providing a fixing plate, and a member shaped to fit the motor head and then locking them while matching. CONSTITUTION: Protrusion 2-7 are arranged on the outer circumferential part of a disc plate 1 and an outer circumferential groove 8 is made across the protrusions 2-7. A head 14 is secured through a rotatable ring 15 to a motor 13 and has an outline 16 matching the protrusions 2-7 of the plate 1. Furthermore, the head 14 is provided with an outer circumferential groove 17. A split ring 19 is fitted idly in the groove 8. The plate 1 provided with the ring 19 is secured to a recess 12 in a chamber. When the ring 19 is turned by 30 deg. after inserting the head 14 into the protrusions 2-7, the ring 19 is engaged with the groove 17 and the head 14 is secured to the plate 1.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for fixing a motor for driving a blind, shutter, etc. installed in a recess or recess in a room or the like. This type of fixing device includes a means for fixing to a recess in a room or the like, and a means fixed to a motor, and the means fixes the motor onto the means fixed to a recess in the room or the like. Functions to be mounted in various angular positions.

0002

2. Description of the Related Art A tubular motor for driving blinds, roller shutters, etc. is installed in a winding drum, and one end of the motor is fixed in a recess in a window or door. This type of motor is generally equipped with a limit stop device that can be adjusted with a tool such as a screwdriver after the blind has been installed. For this purpose, the adjusting screw is accessible. In fact, in order to ensure access to this adjustment screw when remodeling an apartment block, this type of motor can assume different angular positions from one corner position to another. It has become.

Fixing devices have already been provided that allow the angular position of the motor to be changed. This device includes a flat plate fixed in a recess in a room, and the flat plate has two parallel and vertical ribs, and two vertical claws sandwiched between the ribs and at the bottom of the ribs. are doing. The motor comprises a flange carrying a ring with a notch, which engages a pawl between two ribs of said flat plate fixed in a recess in the chamber. The ring is then held vertically by a pawl connected to the flat plate. The motor can assume as many different angular positions as there are cutouts in the ring fixed to it.

0004

SUMMARY OF THE INVENTION The object of the present invention is to provide a device that is more compact than previous devices and that allows the motor to be similarly fixed in any angular position, thereby making space more efficient. The purpose of the present invention is to provide a device that allows the motor to be installed closer to the wall for practical use and has almost no angular play. Another object of the invention is to provide a device that is easy to handle and transmits high torque.

[0005]

[Means for Solving the Problems] A motor fixing device according to the present invention includes one means having a flat plate, and the flat plate has a plurality of protrusions perpendicular to the flat plate uniformly arranged on one circumference. the plurality of protrusions are provided with one common outer circumferential groove that is segmented between each protrusion, the protrusions form a female mold, and the means comprises a fixing member consisting of a ring rotatably loosely fitted in said groove, said device further comprising other means comprising a male mold member forming a male mold complementary to and aligned with said female mold. and
the male member is engaged between the protrusions of the flat plate, and the protrusions of the male member are aligned with the grooves while the male member is engaged with the flat plate; The ring has a peripheral groove similar to the protrusion of the flat plate, and the ring has two specific positions, namely, a fixed position where it engages with the groove of the flat plate and the groove of the male head, and a fixed position where it does not engage with the male head. A device is provided which is capable of assuming two positions, whereby the above object is achieved.

The male member is preferably suitably fixed to the motor, but could also be a part fixed to a recess in the chamber. The male and female forming members can be manufactured from synthetic material.

In a first embodiment, locking and unlocking of the motor is achieved by slightly rotating a rigid ring with sections of different ring widths. In a second embodiment, the retaining ring is a resilient split ring and the motor is simply pushed in axially to secure it.

[0008] The motor is fixed along its contour and along its entire outer edge. The metal plate suitably fastened to the wall may be thin, so that it is possible for the motor to be very close to the wall surface. For a very compact device, the outer edge of the plate coincides with the envelope of the protrusion of the plate. Moreover, since the two pair-shaped members are aligned and lockingly engaged, the motor is supported by its entire outer edge, so that high torque can be transmitted to the winding drum.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows a circular flat plate 1 having six projections 2 to 7, which are arranged uniformly around the outer circumference of the flat plate 1 and parallel to the axis of the flat plate 1. ing. The flat plate 1 has one annular outer circumferential groove 8 extending from the projections 2 to 7.
It is equipped with The groove 8 is therefore segmented between each of the projections 2 to 7. The flat plate 1 further has two holes 9, 1 for fixing it in a recess or recess 12 in a room or the like by screw means, for example a screw 11 (FIG. 3(a)).
It is equipped with 0. The motor 13 (FIG. 3(b)) includes a protruding head 14 as shown in FIGS. 2 and 3(b). The head 14 is a solid part fixed to the motor 13 by a rotatable ring 15 which supports the winding drum by known means. The head 14 has a wavy contour 16, and the shape of the contour 16 is similar to that of the protrusion 2 of the flat plate 1.
It is machined into a male shape to match the 7. The head 14 further includes an annular outer circumferential groove 17 that is segmented at the troughs of the wavy contour 16. Electric power is supplied to the motor 13 through an electric wire 18 .

The fixation device achieves its purpose by means of a metallic ring 19 shown in FIG. The ring 19 is a split ring, and can be opened to loosely fit into the groove 8. The ring 19 has circular arc portions 20 and 21 having different ring widths and having a center angle of 30 degrees, arranged alternately. The ring 19 further comprises three ears 22, 23, 24, each ear having one hole passing through it.
Equipped. Between the groove 17 and the end of the head 14, the diameter of the envelope of the corrugated contour 16 is smaller than the diameter of the envelope of the contour 16 behind the groove 17 and the ring width of the ring 19. than the inner diameter of the narrow arc portion 21,
While the diameter is slightly smaller, the inner diameter of the wider ring width portion of the ring 19 is determined by the diameter of the envelope of the smaller diameter and the inner diameter of the groove 17.

[0011] The flat plate 1 provided with the ring 19 is fixed in a recess 12 in a room or the like. The above 19 is first of all,
The wide ring width portion 20 is positioned so as to be accommodated in the protrusions 2 to 7. In this position,
The head 14 of the motor can be inserted into the protrusions 2 to 7 of the flat plate 1 coaxially with the axis thereof without being obstructed by the narrow ring width portion 21 of the ring 19. After insertion, the ring 19 is rotated 30 degrees by one of the ears 22-24. As a result, the wide ring width portion 20 of the ring 19 engages with the groove 17 of the head 14. Due to this, the head 14 is fixed to the flat plate 1. Said ears 22-2
Hole 4 is used to fasten said ring 19, for example by a lead-shield fastener.

The apparatus described above may take many alternative forms without departing from the scope of the invention. In fact, the number and shape of the protrusions on the flat plate 1 may be different. It would also be possible for a flat plate to be fixed in a recess in a room or the like to be provided with a solid protrusion similar to the head 14, and for the motor to be provided with a flat plate similar to the flat plate 1. In this case, the ring 1
9 will be provided on the motor.

[0013] The fixation device for the distal end portion may be provided by means other than those illustrated in FIGS. 4 and 5. A second embodiment of the present invention will be described with reference to FIGS. 6 and 7. This second embodiment is fundamentally different in that the ring 19 described above is replaced by an annular clip 25 that is elastically deformable. In addition, since the flat plate 1 and the head 14 differ only in a few points, for the sake of simplicity, FIGS. 6 and 7
The same reference numbers as those in FIGS. 1 to 5 are used for the reference numbers.

In the flat plate in the second embodiment, the protrusions 2 to 7 of the flat plate 1 in the first embodiment were convex on both sides, whereas in the second embodiment, the protrusions 2 to 7 were concave toward the outside. Protrusions 26, 27, 28, 29 formed from walls with
, 30, and 31. The end of the head 14 of the motor 13 is chamfered 32 . The clip 25 has a folded portion 33 as a grip for pulling out the clip 25 in the radial direction. Furthermore, the clip 25 is provided with an inwardly curved portion 34, and the curvature and size of the curved portion 34 correspond to the concave surfaces of the protrusions 26 to 31.

Before the head 14 is inserted into the flat plate 1, the elastic clip 25 is in a fixing device in the groove 8 of the flat plate 1. The head 14 is then simply pushed in and it acts to spread the clip 25 apart. At this time, the chamfer 32 at the tip of the head 14 acts to easily push the clip 25 apart. Once the head 14 is inserted, the clip 25 is closed again in the groove 17 of the head 14. The curved portion 34 of the clip 25 extends from the projections 26 to 31.
The clip 25 is engaged with the recessed portion of the clip 25 to prevent the clip 25 from rotating and being entangled with the electric wire 18.

In order to separate the head 14 from the flat plate 1, as shown in FIG. Just pull it out in the radial direction. The clip 25 is then pushed back into the groove 8.

[Brief explanation of the drawing]

FIG. 1 is a front view of a flat plate fixed to a recess in a room according to a first embodiment.

FIG. 2 is a front view of the motor end according to the first embodiment.

FIG. 3(a) is a sectional view taken along line III-III in FIG. 1; (b) is a south view taken along line III-III in FIG.

FIG. 4 is a sectional view taken along line IV-IV in FIG. 5 of the motor fixed to a flat plate according to the first embodiment.

5 is a sectional view taken along line V-V in FIG. 4 of the motor fixed to a flat plate according to the first embodiment; FIG.

6 is a sectional view taken along line VI-VI in FIG. 7 of a state in which the motor is fixed to a flat plate according to the second embodiment.

FIG. 7 is a sectional view taken along line VII-VII in FIG. 6;

[Explanation of symbols]

1...Flat plate 2 to 7...Protrusion 8...Groove 14...male head 17...Groove 19...Ring 25...Ring 26 to 31...protrusion

Claims (4)

[Claims] Claim 1: A device for fixing a tubular motor for driving a blind, a roller shutter, etc. installed in a recess in a room, the device comprising: means (1) for fixing in the recess in the room; means (14) fixed and engaging the means (1) fixed in the recess of said chamber or the like in one angular position selected from a plurality of selectable angular positions;
and one of the means (1, 14) comprises a flat plate (
1), the flat plate (1) has a plurality of protrusions (1) uniformly arranged perpendicular to the flat plate (1) and over one circumference.
2 to 7, 26 to 31), and the protrusion (2 to 7, 26 to 31).
7, 26 to 31) have one common outer circumferential groove (8) that is segmented between each protrusion and form a female mold, and the one means has a female mold. a fixing member consisting of a ring (19, 25) loosely fitted in the outer circumferential groove (8), and the other of the means (1, 14) is complementary to and aligned with the female mold, and Said flat plate (1)
has a male mold forming member (14) that engages with each of the intervening portions of the protrusions (2 to 7, 26 to 31), the male mold forming member (
14) is the projection (2 to 7, 26) of the flat plate (1).
to 31), with a divided outer circumferential groove (17) similar to
The groove (17) is formed so that the male mold forming member (14) is connected to the flat plate (
1) is aligned with the outer circumferential groove (8) when fitted,
The rings (19, 25) are arranged in at least two specific positions, namely the flat plate (1) and the male mold forming member (
A motor configured to be able to take two positions: a position where it engages with the respective grooves (8, 17) of the male mold forming member (14), and a position where it does not engage with the groove (17) of the male mold forming member (14). Fixation device. 2. The ring (19) is arranged in the groove (8).
It is rotatably loosely fitted into the ring, and the parts with different ring widths (20,
21) are alternately arranged and provided, and the length of each portion is equal to the length of the groove (8) provided in each projection (2 to 7) and the length of the groove (8) provided in each projection (2 to 7). The ring (19) has a width equal to that of the projections (2 to 7) of the flat plate (1), and the wider part of the ring (20, 21) When the male mold forming member (14) is in an angular position stored in the flat plate (1
), and by rotating said ring (19),
Among the parts (20, 21), the part with the wide ring width is
Motor fixing device according to claim 1, wherein the male forming member (14) is fixed to the flat plate (1) when in an angular position engaging a protruding portion of the male forming member (14). 3. The ring (25) is an elastic split ring having an annular opening, and the ring (25) is an elastic split ring having an annular opening.
4) is capable of engaging with the ring (25) and has a shape that elastically pushes the ring apart when the male mold forming member (14) is engaged with the flat plate (1). 2. The motor fixing device according to claim 1. 4. Protrusions (26 to 31) of the flat plate (1)
) is outwardly concave and the fixing ring (25)
has an inwardly curved portion that aligns with the concave surface of said projection (26 to 31), so that said curved portion prevents rotation of said ring (
4. The motor fixing device according to claim 3, wherein the motor fixing device fixes the motor fixing device 25).