JP7365926B2 - Box for storing electrical equipment - Google Patents

Description

The present invention relates to an electrical equipment housing box for housing various electrical equipment such as a distribution board, a switchboard, a control panel, and the like.

As an electrical equipment storage box for storing various electrical equipment such as a distribution board or switchboard, a door body for opening and closing the opening is placed on the front side of the box body which has an opening on the front. Conventionally, it is generally known that the hinge is hinged so that one side can be opened freely using one side as an axis.
As a structure for hingedly opening the door body in one direction, for example, as described in Patent Document 1, a first receiving member having a pin receiving part and fixed to the box body side is used. Similarly, a structure using a hinge having a pin receiving part, a second receiving member fixed to the door body side, and a hinge pin inserted through both pin receiving parts is common.

Japanese Patent Application Publication No. 2002-327569

However, the conventional hinge structure has a problem in that attaching and detaching the door body to the box body (particularly the attaching operation) is troublesome.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and it is an object of the present invention to provide a box body for storing electrical equipment in which a door body can be attached to and detached from a box body more easily than before.

In order to achieve the above object, the present invention provides a box main body having an opening on the front surface, a door body that opens and closes the opening, a door body that is interposed between the box body and the door body, and a door body that connects the door body to the box body. A box body for storing electrical equipment is provided with two hinges, upper and lower, for enabling single-opening with the vertical direction as an axis relative to the main body, wherein the first hinge disposed on the upper side is attached to the door body. A fixed main body, a first pin member having a first hinge pin protruding upward from the main body, a fixing part fixed to the box main body, and the first hinge pin inserted from below. a first pin receiving member having a first pin receiving part provided with a possible first pin hole, and the tip of the first hinge pin is in the first pin hole. A main body is provided with a pressing member that can come into contact with it and a biasing member that biases the pressing member downward, and the second hinge disposed on the lower side is fixed to the door body; and a second pin member having a second hinge pin protruding downward from the main body, a fixing part fixed to the box body, and a second pin member into which the second hinge pin can be inserted from above. a second pin receiving member having a second pin receiving part provided with a pin hole, both of the hinge pins are inserted into the corresponding pin holes, and the door body is attached to the box body. In the attached state, the first hinge pin is urged downward by the urging member via the pressing member, and the first hinge pin is urged downwardly by the urging member against the urging force of the urging member. By moving upward, the second hinge pin comes out of the second pin hole.

According to the present invention, the first hinge disposed on the upper side includes the main body fixed to the door body, the first pin member having the first hinge pin protruding upward from the main body, and the first hinge disposed on the box body. A first pin receiving member having a fixed fixing part and a first pin receiving part provided with a first pin hole into which a first hinge pin can be inserted from below; A second hinge arranged on the side has a main body fixed to the door body, a second pin member having a second hinge pin protruding downward from the main body, and a fixing part fixed to the box main body, and a second pin receiving member having a second pin receiving portion provided with a second pin hole into which a second hinge pin can be inserted from above. Further, in the first pin hole, there are provided a pressing member with which the tip of the first hinge pin can come into contact, and a biasing member that biases the pressing member downward. When both hinge pins are inserted into their corresponding pin holes and the door body is attached to the box body, the first hinge pin is biased downward by the biasing member via the pressing member. I made it so that it would be done. Further, by moving the door body upward against the biasing force of the biasing member, the second hinge pin is made to come out of the second pin hole. Therefore, by simply moving the door body up and down with the first hinge pin inserted into the first pin hole, the second hinge pin can be inserted into the second pin hole, and the second hinge pin can be inserted into the second pin hole. Since the door body can be pulled out from the hole, the door body can be attached to and detached from the box body more easily than before. In addition, when the door body is attached to the box body, the first hinge pin is urged downward by the biasing member via the pressing member, so the door body may accidentally fall off from the box body. It is possible to effectively prevent such situations.

FIG. 2 is a perspective explanatory view showing the electrical equipment storage box with the door opened. FIG. 2 is an enlarged perspective explanatory view of the upper hinge portion in FIG. 1. FIG. It is a perspective explanatory view which expanded and showed the upper right corner part of a door body. It is a perspective explanatory view showing the pin receiving member of an upper hinge from below. It is an explanatory view showing the inside of the pin receiving part of the upper hinge in a state where the door body is attached to the box body.

DESCRIPTION OF THE PREFERRED EMBODIMENTS An electrical equipment storage box (hereinafter simply referred to as a storage box) that is an embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective explanatory view showing the storage box 1 with the door body 3 open. FIG. 2 is an enlarged perspective explanatory view of the upper hinge 10A portion in FIG. 1. FIG. 3 is an enlarged perspective explanatory view of the upper right corner of the door body 3. As shown in FIG. FIG. 4 is a perspective explanatory view showing the pin receiving member 12 of the upper hinge 10A from below. FIG. 5 is an explanatory diagram showing the inside of the pin receiving portion 24 of the upper hinge 10A in a state where the door body 3 is attached to the box body 2.

The storage box 1 includes a box main body 2 having an opening on the front surface, and a door body 3 for opening and closing the opening of the box main body. The box body 2 is a box body that has a top plate, left and right side plates, a back plate, and a bottom plate, and is closed on five sides (top surface, left and right sides, rear surface, and bottom surface) excluding the front surface, and has an internal space. It is possible to store various electrical equipment such as a distribution board. Furthermore, a door body 3 for opening and closing the opening of the box body 2 is attached to the front surface of the box body 2. Between the box body 2 and the door body 3, hinges (upper hinge 10A, lower hinge 10B) are interposed at the upper and lower parts of their right sides, and the door body 3 is connected to the box body 2. On the other hand, it can be opened on one side using the right side as the axis.

Here, the upper hinge 10A and the lower hinge 10B, which are the main parts of the present invention, will be explained in detail.
The upper hinge 10A arranged on the upper side includes a pin member 11 installed on the door body 3 side and a pin receiving member 12 installed on the box body 2 side. The pin member 11 has a main body 21 and a hinge pin 22 protruding from the main body 21. The pin member 11 is installed on the side of the door body 3 by fixing the body 21 to the upper right corner of the front surface of the door body 3 with the hinge pin 22 protruding upward from the main body 21 in this posture. will be done.

The pin receiving member 12 also includes a fixing part 23 fixed to the opening periphery of the box body 2, a pin receiving part 24 into which the hinge pin 22 is inserted when the upper hinge 10A is assembled, and the fixing part 23 and the pin receiver. It has a side wall part 25 and an upper wall part 26 that connect the part 24. The fixing part 23 is formed in a plate shape whose thickness is in the front-rear direction and is elongated in the vertical direction, and has screw holes 27, 27 for screwing the fixing part 23 to the box body 2. The pin receiving part 24 is formed in a cylindrical shape extending in the vertical direction, and a pin hole 28 into which the hinge pin 22 can be inserted is opened at the bottom surface of the pin receiving part 24. Further, inside the pin hole 28, a pressing plate 30 whose thickness direction is in the vertical direction is provided, and a coil spring 29 is installed to bias the pressing plate 30 downward. The pin receiving portion 24 is provided at a position a predetermined distance away from the fixed portion 23 forward. Further, the side wall portion 25 is formed into a plate shape whose thickness direction is the left-right direction, and extends forward from the right end of the fixing portion 23 to connect the fixing portion 23 and the pin receiving portion 24. In addition, the upper wall portion 26 is formed into a plate shape whose thickness direction is the vertical direction, and extends forward from the upper end of the fixing portion 23 to connect the fixing portion 23 and the pin receiving portion 24. The pin receiving member 12 is configured such that the pin receiving part 24 is located in front of the fixing part 23 and the fixing part 23 is placed in the upper right corner of the box body 2 in a posture such that the pin hole 28 is opened downward. By fixing it to the periphery of the opening in the box, it can be installed on the box main body 2 side.

On the other hand, the lower hinge 10B disposed on the lower side includes a pin member 13 installed on the door body 3 side and a pin receiving member 14 installed on the box body 2 side. Like the pin member 11 constituting the upper hinge 10A, the pin member 13 has a main body fixed to the front surface of the door body 3 and a hinge pin protruding from the main body. That is, the hinge pin is installed in such a manner that it protrudes downward from the main body. Further, like the pin receiving member 12, the pin receiving member 14 has a fixing portion fixed to the opening periphery of the box body 2, a pin receiving portion for supporting the pin member 13, etc. 12 is installed upside down, that is, the pin receiving part is located in front of the fixing part, but the pin hole is installed in an orientation that opens upward. Note that no pressing plate is provided in the pin receiving portion of the pin receiving member 14, and similarly, no coil spring is provided. The vertical distance from the opening position of the pin hole 28 of the pin receiving member 12 to the opening position of the pin hole of the pin receiving member 14 is the vertical distance from the upper end surface of the main body 21 of the pin member 12 to the lower end surface of the main body of the pin member 13. It is longer than the vertical distance from the tip of the hinge pin 22 of the pin member 12 to the lower end surface of the main body of the pin member 13.

Assembling the upper and lower hinges 10A and 10B, and ultimately attaching the door body 3 to the box body 2, involves installing the pin receiving members 12 and 14 on the box body 2 side and the pin members 11 and 13 on the door body 3 side, respectively. After that, you can do as follows.
First, the door body 3 is placed in a position slightly tilted from the vertical direction, and the hinge pin 22 of the pin member 11 is inserted into the pin hole 28 of the pin receiving member 12. Then, the door body 3 is lifted, and the pressing plate 30 is pushed in using the tip of the hinge pin 22 against the biasing force of the coil spring 29. Then, while the hinge pin of the pin member 13 is positioned above the pin hole of the pin receiving member 14 in the pushed state, if the load on the door body 3 in the lifting direction is released, the door body 3 moves downward and the hinge pin of the pin member 13 is inserted into the pin hole of the pin receiving member 14, while the hinge pin 22 of the pin member 11 remains inserted into the pin hole 28 of the pin receiving member 12. Thus, the assembly of both the upper and lower hinges 10A, 10B and the attachment of the door body 3 to the box body 2 are completed. Furthermore, in the attached state, in the upper hinge 10A, the hinge pin 22 is urged downward by the coil spring 29 via the pressing plate 30, and the door body 3 is prevented from moving upward, that is, in the direction in which it is removed. regulated (Figure 5). Note that in order to remove the door body 3, it is sufficient to lift the door body 3 against the biasing force of the coil spring 29 and pull out the hinge pin of the pin member 13 from the pin hole of the pin receiving member 14.

According to the storage box 1 having the above configuration, the upper hinge 10A includes the main body 21 fixed to the door body 3, the pin member 11 having the hinge pin 22 projecting upward from the main body 21, and the box main body. 2, and a pin receiving member 12 having a pin receiving part 24 provided with a pin hole 28 into which the hinge pin 22 can be inserted from below. The lower hinge 10B arranged on the lower side includes a main body fixed to the door body 3, a pin member 13 having a hinge pin protruding downward from the main body, a fixed part fixed to the box main body 2, and A pin receiving member 14 having a pin receiving part provided with a pin hole into which a hinge pin can be inserted from above is provided. Further, in the upper hinge 10A, a press plate 30 with which the tip of the hinge pin 22 can come into contact and a coil spring 29 that urges the press plate 30 downward are provided in the pin hole 28. When both the upper and lower hinges 10A and 10B are assembled and the door body 3 is attached to the box body 2, the hinge pin 22 is urged downward by the coil spring 29 via the pressing plate 30. did. Therefore, it is possible to effectively prevent the door body 3 attached to the box body 2 from accidentally falling off.

Furthermore, by moving the door body 3 upward against the biasing force of the coil spring 29, the hinge pin of the pin member 13 is pulled out from the pin hole of the pin receiving member 14 in the lower hinge 10B. There is. That is, by simply moving the door body 3 up and down, the hinge pin can be inserted into the pin hole or pulled out from the second pin hole, making it easier to align the door body 3 with respect to the box body 2 than in the past. can be attached and detached.

Note that the configuration of the storage box of the present invention is not limited to the embodiments described above, and the configuration of the box body, door body, and hinge may be changed without departing from the spirit of the present invention. , can be changed as necessary.

For example, as a hinge for a door body, a different type of hinge (for example, a first pin receiving member is fixed to the box body, a second pin receiving member is fixed to the door body, and both pin receiving members are fixed to the center part in the vertical direction). Of course, it is also possible to provide a conventionally known hinge, etc., in which a pin member is inserted so as to penetrate the member.
Further, in the above embodiment, a coil spring is used as the urging member that urges the hinge pin downward, but there is no problem if another urging member such as a plate spring is used.
In addition, in the above embodiment, the door body is provided to open to the right, but needless to say, the present invention can be suitably applied to a storage box in which the door body is attached to open to the left.

1...Storage box (box body for storing electrical equipment), 2...Box body, 3...Door body, 10A...Upper hinge, 10B...Lower hinge, 11, 13...Pin member, 12, 14... - Pin receiving member, 21... Main body, 22... Hinge pin, 23... Fixed part, 24... Pin receiving part, 28... Pin hole, 29... Coil spring (biasing member), 30... Pressing. Plate (pressing member).

Claims (1)

A box body having an opening on the front side, a door body for opening and closing the opening, and a door body interposed between the box body and the door body, so that the door body can be opened in one direction with respect to the box body in the vertical direction. A box for storing electrical equipment, comprising two upper and lower hinges for
The first hinge disposed on the upper side includes a main body fixed to the door body, a first pin member having a first hinge pin protruding upward from the main body, and fixed to the box main body. and a first pin receiving member having a first pin receiving part provided with a first pin hole into which the first hinge pin can be inserted from below,
A pressing member to which the tip of the first hinge pin can come into contact and a biasing member that biases the pressing member downward are provided in the first pin hole;
The second hinge disposed on the lower side includes a main body fixed to the door body, a second pin member having a second hinge pin protruding downward from the main body, and fixed to the box main body. and a second pin receiving member having a second pin receiving part provided with a second pin hole into which the second hinge pin can be inserted from above,
When both the hinge pins are inserted into the corresponding pin holes and the door body is attached to the box body, the first hinge pin is pushed through the pressing member by the biasing member. is urged downward, and
A box for storing electrical equipment, wherein the second hinge pin comes out of the second pin hole by moving the door upward against the biasing force of the biasing member.

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