JPH0812033B2 - Box with door switch - Google Patents

Description

TECHNICAL FIELD The present invention relates to a box body with a door switch, such as a refrigerator and a microwave oven.

(B) Prior Art Japanese Utility Model Publication No. 2-5351 discloses a refrigerator having a hinge collar for supporting a door so that the door can be opened and closed and an arm switch is operated by the arm rod.

However, according to this structure, since the arm collar for opening and closing the door switch is provided in the hinge collar of the door, the position at which the door switch is mounted is limited to the vicinity of the door hinge, which is a design limitation. It was

(C) Problems to be Solved by the Invention According to the present invention, the door switch mounting position is not limited to the vicinity of the hinge of the door, and therefore, there are no inconvenient restrictions in design and the door switch is simple in configuration. It provides a box.

(D) Means for Solving the Problem A box body with a door switch of the present invention is a box body provided with an opening in the front, a door for opening and closing the opening, and a periphery of the door when the door is closed. A support member projecting from the front of the front of the box body, a rotating body protruding from the support member into the closing path of the door and rotatable by the closing operation of the door, and operated by the rotating body. It is characterized in that it comprises a door switch.

(E) Action When the door is closed, the rotating body protruding from the support member to the door closing path is pushed into the support member, and the door switch is operated by the rotating body.

(F) Embodiment The drawing shows a refrigerator which is an embodiment of the present invention. The present embodiment is a horizontally long under-counter refrigerator installed in a kitchen such as a restaurant.

1 is a box body having a metal top table 2 serving as a cooking table on the upper surface and having heat insulating property, 3 is a front plate of the box body 4, 4 is a storage chamber formed inside the box body, 5 is a front The opening of the storage chamber 4 formed in the face plate 3, 6 is a machine chamber which is provided on the side of the box body 1 and accommodates a cooling device (not shown), and 7 and 8 are respectively rotated by a hinge mechanism not shown. It is pivotally supported,
Two so-called double door type heat insulating doors that openably and closably close the opening 5, and 9 are packings attached to the inner surfaces of the doors 7 and 8. Further, the storage room 4 is provided with an internal light (not shown).

Reference numeral 10 denotes a metal support member arranged and fixed to the front plate 3 of the box body 1 from the upper front surface of the machine room 6 to the upper edge portion of the opening 5. The support member 10 is a rear wall 11 fixed to the front plate 3.
And an upper wall 12 bent at the upper end of the rear wall 11 and in contact with the lower surface of the top table 2, and a lower wall bent at the lower end of the rear wall 11.
The lower wall 13 has a rising wall 14 in which a front end of the lower wall 13 is vertically raised, and an inclined wall 15 inclined downward from the upper end of the rising wall 14. On the other hand, top table 2
Has a front portion 16 bent downward at its front end, and the lower end of the front portion 16 has an inclined wall of the support member 10.
An inclined portion 17 that is inclined rearward and upward at the same inclination angle as that of 15 is formed and joined to the inclined wall 15. And the support member 10
Are protruded forward from the front plate 3 so as to be located around the doors 7 and 8 when the doors 7 and 8 are closed. In addition, this support member
10 also serves to reinforce the box 1.

Reference numeral 20 is a mounting hole provided in the lower wall 13 of the support member 10, and 21 is a switch portion mounted in the mounting hole 20. The switch section 21 will be described in more detail.

23 is a substrate, 24 is a switch base formed on the base plate 23, 25 is a fixing boss formed on the switch base 24, 26 is a rectangular lever hole formed on the base plate 22, and 27 is a longitudinal position of the lever hole 26. A shaft receiver formed so as to face each other, and a shaft hole 28 formed in the shaft receiver 27. Reference numeral 30 denotes a lever as a rotating body that is rotatably supported by a shaft receiver 27 and is attached so as to be able to move in and out of the lever hole 26 by the rotation, and 31 is integrally formed in the lever 30 and is provided in the shaft hole 28. A shaft that is fitted to rotatably support the lever 30, 32 is a micro switch as a door switch attached to the switch base 24 by fitting the fixing boss 25 into the attachment hole, and 33 is a micro switch 32 due to an internal spring. A push button that is urged to protrude from the main body of the micro switch 32 to connect and disconnect the internal contact of the micro switch 32.
An actuator that opens and closes 32, and 35 is a stopper that prevents excessive rotation of the lever 30 and prevents damage to the microswitch 32. A door switch is constituted by the micro switch 32, the push button 33, and the actuator 34, and the door switch is inserted into the circuit of the interior light so that the interior light is turned on when the door 8 is opened and turned off when the door 8 is closed.

Further, 36 is a mounting portion formed on the substrate 22, and 37 is a screw hole formed on the substrate 22. The switch portion 21 includes the support member 10
The mounting portion 36 is engaged with the edge portion of the mounting hole 20 provided in the lower wall 13 of the lower wall 13 and is screwed through the screw hole 37. In this mounting, the shaft 31 and the shaft receiver 27, which are the center of rotation of the lever 30, are located in front of the lever hole 26, the lever 30 projects from the lower surface of the lower wall 13 of the support member 10 to the closed path of 8, and When the door 8 is closed, it hits the door 8 and is pushed into the support member 10.

Thus, when the door 8 is opened, as shown in FIG. 3, the lever 30 is rotated downward (clockwise in the figure) by its own weight, and comes into contact with the front edge of the lever hole 26 and stops there. In
Separated from actuator 34. At this time, the push button 33 is in a position protruding from the main body of the micro switch 32, the micro switch 32 is on, and the interior light is on.

When the door 8 is closed, as shown in FIG.
Is pressed against the upper portion of the door 8 to be closed and thereby rotated upward (counterclockwise in the drawing) to push the actuator 34 upward. This action pushes the push button 33 into the body of the microswitch 32,
32 turns off and the interior light goes out.

In the above description, only the right side door 8 has been described, but a similar door switch is also provided on the left side door 7 and is connected in parallel to the right side door switch with respect to the inside light. ing. Therefore, when at least one of the doors 7 and 8 is opened, the door switch on the opened door side is turned on to turn on the interior light.

According to this structure, since the lever 30 is provided on the support member 10 and the door switch is operated by the lever 30, the pressing force and the impact when the door 8 is closed are not directly applied to the micro switch 32, and the durability is improved. Is excellent in. Further, it is not necessary to provide an arm rod or the like for opening and closing the door switch in the hinge color of the door, and the position to attach the door switch is not limited to the vicinity of the hinge of the door because it may be in the vicinity of the closing path of the door It is possible to reduce the design restrictions with a simple configuration.

Further, according to this embodiment, since the inclined wall 15 of the support member 10 and the inclined portion 17 of the top table 2 are inclined so as to form an angle θ with respect to the vertical line, the water droplets coming from the top surface of the top table 2 are dropped. With respect to the above, water is sufficiently drained from the lower portion of the front portion 16 of the top table 2, and water droplets and the like do not adhere to the support member 10 and the front plate 3, which is sanitary.

Further, according to the present embodiment, since the doors 7 and 8 when closed are located inside the front portion 16 of the top table 2 by the distance D, water drops and the like drained under the front portion 16 of the top table 2 can be prevented. It does not adhere to the doors 7 and 8.

(G) Effect of the Invention According to the present invention, it is excellent in durability, and it is not necessary to provide an arm rod for opening and closing a door switch in the hinge collar of the door,
In addition, the position where the door switch is mounted is not limited to the vicinity of the hinge of the door, and it is possible to provide a box body with a door switch that has a simple configuration and has few design restrictions.

[Brief description of drawings]

The drawings show a refrigerator which is an embodiment of the present invention. FIG. 1 is a perspective view showing the configuration of a switch section, FIG. 2 is an external perspective view of the refrigerator, and FIGS. 3 and 4 are A in FIG. It is a sectional view taken along the line A-A '. 1 ... Box, 5 ... Opening, 7,8 ... Door, 10 ... Supporting member, 30 ... Lever, 32 ... Micro switch, 33 ... Push button, 34 ... Actuator.

Claims (1)

[Claims] 1. A box body having an opening on the front surface, a door for opening and closing the opening, and a support member protrudingly provided in front of the front surface of the box body so as to be located around the door when the door is closed. With a door switch, characterized in that it comprises a rotating body that projects from the support member into the closing path of the door and is rotatable by the closing operation of the door, and a door switch operated by the rotating body. Box.