JPH10261335A - Fixture for safety switch and power cord - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fixture for a safety switch and a power cord, for easily and efficiently attaching a safety switch and a power cord to an electric apparatus. SOLUTION: A fixture for a safety switch and a power cord is fixed on a mount 4 adapted to be attached to an electric apparatus for attaching a safety switch 2 and a power cord 1 integrally to the electric apparatus in the operational state to feed and actuate it. The mount 4 is provided with a mounting part 4g for holding the switch 2 fitted thereinto in one direction, and a fixing part 4f for fixedly holding the cord 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a safety switch and a power cord, which are used for electric equipment such as electric fans and are turned on to supply power when the electric equipment is assembled to operate. The present invention relates to a safety switch for attaching to an electric device and a fixture for a power cord.

[0002]

2. Description of the Related Art Recently, a fan 8 as shown in FIG.
Some can be disassembled into the strut portion 7 and the device base 5.
The neck portion 6 is further disassembled into a motor, a blade, and the like. In the case of such an electric fan 8, a safety switch that is turned off at the time of disassembly is provided in the middle of the power cord in the device base 5 so that power is not accidentally supplied at the time of disassembly. The power cord ahead of the safety switch is connected by a connector to the power cord in the column part 7.

[0003]

Conventionally, in the electric fan 8 as described above, a part of the power cord is
After being temporarily fixed to the holder, the safety switch is fixed to an appropriate part in the device base 5 and separately fixed. For this reason, a similar fixing operation must be performed twice in the equipment base 5, and there is a problem that the working efficiency is poor. Also, if the device base 5 is P
If the material is insufficient in strength, such as P resin, it is necessary to reinforce or limit the mounting position, and the mounting operation is not easy. SUMMARY OF THE INVENTION The present invention has been made in view of the above-described circumstances, and has as its object to provide a safety switch and a power cord attaching tool that can easily attach a safety switch and a power cord to an electric device and have high work efficiency. And

[0004]

According to the first aspect of the present invention, the mounting device for the safety switch and the power cord is fixed to a pedestal for mounting on an electric device, and power is supplied when the electric device is operable. A safety switch and a power cord mounting tool for integrally mounting the safety switch and the power cord to be turned on to the electric device, wherein a mounting portion for fitting the safety switch from one direction is provided on the base. And a fixing portion for fixing the power cord.

In this safety switch and power cord mounting device, the safety switch is fitted into the mounting portion of the pedestal from one direction and the power cord is fixed to the fixing portion, so that the safety switch and the power cord connected thereto are connected to the pedestal. , The safety switch and the power cord do not easily come off the pedestal, and do not need to be tightened with screws or the like. This simplifies the work of attaching the safety switch and the power cord to the electric device, and improves work efficiency.

According to a second aspect of the present invention, in the mounting device for a safety switch and a power cord, the pedestal has a plurality of protruding portions on the opposite side on the same plane as the pedestal surface of the pedestal, and between the protruding portions. The power supply cord is inserted.

In this mounting device for a safety switch and a power cord, the pedestal has a plurality of projections on the opposite side on the same plane as the pedestal surface, and the power cord is inserted between the projections. The cord does not easily come off the pedestal, and does not need to be screwed or the like. This simplifies the work of attaching the safety switch and the power cord to the electric device, and improves work efficiency.

[0008] In a third aspect of the present invention, the fixing portion is adapted to fit the power cord in a direction in which the power cord goes under the projecting portion. .

In the mounting device for the safety switch and the power cord, the fixing portion is adapted to fit the power cord in a direction in which the power cord goes under the projecting portion. The direction in which the power cord is to be pulled out of the fixing portion is reversed, so that the power cord does not easily come out of the fixing portion and does not need to be tightened with screws or the like. This simplifies the work of attaching the safety switch and the power cord to the electric device, and improves work efficiency.

According to a fourth aspect of the present invention, in the state where the electric device is assembled so as to operate, the safety switch and the power cord are connected to each other.
It is characterized by comprising means for fitting to a part of the electric device so as to be fixed by the part of the electric device in the fitted direction.

[0011] The safety switch and the power cord mounting bracket are fitted so that the safety switch and the power cord can be fixed by the part of the electric device in a direction in which the safety switch and the power cord are respectively fitted when the electric device is assembled to operate. Since the nesting means fits into a part of the electric device, the safety switch does not easily come off the pedestal, the power cord does not come off the fixing portion, and no work such as screwing is required. This simplifies the work of attaching the safety switch and the power cord to the electric device, and improves work efficiency.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings showing the embodiments. FIG. 1 is a top view (a) and a front view (b) showing an embodiment of a safety switch and a power cord attachment according to the present invention. The safety switch and the power cord mounting tool are examples used for an electric fan 8 as shown in FIG. 5, and include a rectangular base 4 having a cutout (mounting portion) 4g for fitting the safety switch 2, The power supply cord 1 includes a bushing fixing portion (fixing portion) 4f that is provided at an end of the pedestal 4 and that fits and fixes the rectangular parallelepiped code bushing 1b.

The safety switch 2 has a substantially rectangular parallelepiped shape, and has a pin 2c on its upper surface (which is lower when the electric fan 8 is in operation) when the safety switch 2 is off and is on when it is concave.
And a flange for fitting into the notch 4g of the pedestal 4 at the end of the upper surface. On the underside, 2
Terminals 2a and 2b for connecting the safety switch 2 are provided in the middle of one core 1a and 3 of the core power cord 1. The lead wire 3 coming out of the safety switch 2 is connected to the connector 9 together with the other core of the one core 1 a of the power cord 1. The pedestal 4 is provided with a notch 4g from one long side at a substantially central portion, and when the safety switch 2 is fitted into the notch 4g, a claw 4 for sandwiching a flange of the safety switch 2 from above and below.
a has four sets.

The cord bushing 1b has a rectangular parallelepiped shape, and has a recess in the circumferential direction of the power cord 1. The bushing fixing portion 4f has a wall that stands upright with respect to the pedestal surface 4h of the pedestal 4, and a notch 4c provided on the upper side of the wall.
Then, the code bushing 1b is fixed by fitting the concave portion of the code bushing 1b. Bushing fixing part 4f
In order to wire the power cord 1 on the opposite side of the notch 4g of the pedestal 4 on the substantially same plane as the pedestal surface 4h of the pedestal 4, the code bushing 1b is fitted and fixed.

The bushing fixing part 4f is fitted to a boss provided in the equipment base 5 (FIG. 5) of the electric fan 8 in a direction perpendicular to the pedestal surface 4h of the pedestal 4.
e, it is attached to the end of the base 4 on the side of the notch 4g, and has another sleeve 4e on the same side as the one sleeve 4e. The bushing fixing portion 4f and the pedestal 4 form an angle toward the notch 4g side of the pedestal 4 in accordance with the shape (a part of a circle) of a portion to be mounted in the device base 5 (FIG. 5).

The pedestal 4 has three rod-shaped projections 4b, 4b, 4d projecting on the same plane as the pedestal surface 4h of the pedestal 4 on the opposite side of the notch 4g, and between the projections 4b, 4b. The interval is substantially equal to the thickness of the power cord 1. As a result, the power cord 1 that has exited the code bushing 1b alternately dips in the three protrusions 4b, 4b, and 4d in opposite directions, and is difficult to be pulled out when inserted between the protrusions 4b, 4b, and 4d. Can be. In this case, if the direction in which the power cord 1 is sunk is set downward on the foremost projection 4d of the bushing fixing section 4f, the cord bushing 1b is cut out.
c from above, the cord bushing 1
b does not easily fall off. Also, if the lead wire 3 is inserted between the protruding portions 4b, 4b so that the lead wire 3 coming out of the safety switch 2 is held by the power cord 1, the safety switch 2 is more stably fixed.

FIG. 2 is a sectional view of the device base 5 of the electric fan 8 as viewed from below. The device base 5 has a disk shape, and a control switch portion 5c is provided at a portion in contact with the circle, and a coupling portion 5b with the support portion 7 is provided at a position slightly off-center in the opposite direction. The coupling part 5b is circular, and the lowermost part of the support part 7 is inserted. Two bosses 5a into which the two sleeves 4e fit are provided along the connecting portion 5b.

FIG. 3 is a cross-sectional view of the state in which the safety switch and the power cord mounting device according to the present invention are mounted in the device base 5 of the electric fan 8 from below. The attachments of the safety switch and the power cord are fixed by fitting the two sleeves 4e to the two bosses 5a. At this time, the safety switch 2 is connected to the connecting portion 5b in the direction fitted into the pedestal 4.
Is fixed by

FIGS. 4A and 4B are side sectional views of the equipment base 5 and the support portion 7 of the electric fan 8, wherein FIG. 4A shows a state in which a safety switch and a power cord are not attached, and FIG.
It shows a state in which the electric fan is operable when attached. In this state, the lower lid 5d of the device base 5 is attached, and the cord bushing 1b is fixed by the lower lid 5d in a direction fitted into the bushing fixing portion 4f.
Further, the safety switch 2 is turned on because the pin 2c is pressed by the nut 5f for fixing the device base 5 and the support portion 7 to be concave, and the safety switch 2 is energized, so that the fan 8 can be operated.

[0020]

According to the mounting device for the safety switch and the power cord according to the first aspect of the present invention, the work of attaching the safety switch and the power cord to the electric equipment is simplified, and the work efficiency is improved.

According to the attachment of the safety switch and the power cord according to the second aspect of the present invention, the power cord does not easily come off the pedestal, does not need to be tightened with screws or the like,
The work of attaching the safety switch and the power cord to the electric equipment is simplified, and work efficiency is improved.

According to the safety switch and the power cord mounting device of the third invention, the safety switch and the power cord can be easily attached to the electric device without being detached easily from the fixing portion, and the work for fastening with a screw or the like is not required. And the work efficiency is improved.

According to the safety switch and the power cord mounting device according to the fourth invention, the safety switch does not easily come off the pedestal, the power cord does not come off from the fixed portion, and the work is fastened with screws or the like. Therefore, the operation of attaching the safety switch and the power cord to the electric equipment is simplified, and the work efficiency is improved.

[Brief description of the drawings]

FIG. 1 is a top view and a front view showing an embodiment of a safety switch and a power cord attachment according to the present invention.

FIG. 2 is a sectional view of a device base of the electric fan as viewed from below.

FIG. 3 is a cross-sectional view of a state in which a safety switch and a power cord attachment according to the present invention are mounted in a device base from below.

FIG. 4 is a side sectional view of a device base and a support portion of the electric fan.

FIG. 5 is a perspective view showing an appearance of the electric fan.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Power cord 1b Cord bushing 2 Safety switch 3 Lead wire 4 Pedestal 4a Claw 4b, 4d Projection 4c Notch 4e Sleeve 4f Bushing fixing part (fixing part) 4g Notch (mounting part) 4h Pedestal surface 5a Boss

Claims (4)

[Claims] A safety switch and a power cord, which are fixed to a pedestal to be attached to an electric device and are turned on so that power is supplied when the electric device is operable, are integrally attached to the electric device. A safety switch and a power cord mounting tool, comprising: a mounting portion for fitting the safety switch from one direction to the pedestal; and a fixing portion for fixing the power cord. And power cord fittings. 2. The pedestal has a plurality of projections on the opposite side on the same plane as the pedestal surface of the pedestal, and the power cord is inserted between the projections. Safety switch and power cord mounting bracket. 3. The mounting device for a safety switch and a power cord according to claim 2, wherein the fixing part is adapted to fit the power cord in a direction in which the power cord goes under the projecting part. 4. When the electrical device is assembled to operate, the safety switch and the power cord are each secured to a portion of the electrical device such that the safety switch and the power cord are secured by the portion of the electrical device in a mated direction. The mounting device for a safety switch and a power cord according to any one of claims 1 to 3, further comprising a fitting means.