JP5455433B2 - Cabinet hinge for electrical and electronic equipment - Google Patents

Description

  The present invention relates to a hinge for pivotally attaching a door to a cabinet body of an electrical / electronic equipment cabinet, wherein the hinge pin is outside the cabinet body (hereinafter referred to as an outer hinge).

  Cabinets for storing electrical and electronic equipment such as distribution boards, switchboards, and communication devices that open and close with a hinged door that opens the cabinet main body, where the door becomes an obstacle in the work of electrical and electronic equipment in the cabinet body In some cases, the door is removed and the work is performed, and the door is attached again after the work is completed. The door installation and removal operations are usually performed by removing the hinge pin from the hinge and separating the hinge.

  As a technique for facilitating the installation and removal of the door, a technique is disclosed in which a hinge pin operating means such as a lever is provided on the hinge pin so that the hinge pin can be easily attached and detached without using a tool ( For example, Patent Document 1).

  As hinges for electrical and electronic equipment cabinets, the hinge pins are inside hinges of the type inside the box (for example, see FIG. 11 of Patent Document 1) and outside hinges of the type outside the box (for example, patents). Document 2 (see FIG. 6) is common. When a hinge provided with a hinge pin operating means such as a lever is attached to the outside of a cabinet door as described in Patent Document 1 or the like, the hinge pin operating means such as a lever is operated from the outside of the cabinet, The cabinet door can be easily removed. In this case, even if the door is locked, the inside of the cabinet can be accessed. Therefore, the application of the hinge pin operating means such as a lever to the hinge pin to the outer hinge is not preferable particularly from the viewpoint of security as a cabinet for electrical and electronic equipment used in a data center or the like. there were.

  On the other hand, when the inner hinge is adopted, the hinge cannot be operated unless the door is opened, which is preferable in terms of security, but the bent portion formed at the door end comes into contact with the hinge. There was a problem that the door could not be opened at 180 degrees.

JP 2007-315023 A JP 2007-21114A

  An object of the present invention is an outer hinge that solves the above-described problem and supports the door so that the door can be opened 180 degrees with respect to the box, and the hinge pin can be easily attached and detached without using a tool. Furthermore, the present invention provides an outer hinge that prevents the hinge pin from being attached and detached from the outside of the cabinet.

The hinge of the cabinet for electrical and electronic equipment of the present invention made to solve the above-mentioned problem is a hinge of a cabinet for electrical and electronic equipment in which a door is pivotally attached to a box. The hinge pin and the hinge pin are connected to the door of the door . A hinge pin holder that is held on the front surface side and is attached to the front end portion of the door, and a hinge receiver that is attached to the outer frame portion of the box, and the hinge pin holder includes the hinge A hinge pin storage part for storing the pin is provided, and the hinge pin stored in the hinge pin storage part is slid up and down in the hinge pin, and can be inserted into and removed from the hinge pin insertion part formed in the hinge holder. As a means to do, it is provided with a hinge pin operation bar that protrudes from the side surface portion of the hinge pin stored in the hinge pin storage portion through the hole formed in the door toward the back surface of the door. Is.

According to a second aspect of the present invention, in the hinge of the cabinet for electrical and electronic equipment according to the first aspect, the hinge pin holder is provided with a hinge pin storage portion and a hinge pin operation bar protruding in the rear surface direction of the door. And a moving groove for holding the hinge pin and a hinge pin fixing means for fixing the hinge pin at a position where the hinge pin is slid.

  According to a third aspect of the present invention, in the hinge for the cabinet for electrical and electronic equipment according to the second aspect, the hinge pin fixing means is a horizontal groove portion extending respectively at the upper end portion and the lower end portion of the groove portion. It is a feature.

  According to a fourth aspect of the present invention, in the hinge of the cabinet for electric and electronic equipment according to the third aspect, the horizontal groove portion fixes the hinge pin completely accommodated inside the hinge pin accommodating portion at this position. The first horizontal groove portion and the second horizontal groove portion that fixes the hinge pin whose tip portion is inserted into the hinge pin insertion portion at this position are characterized by the following.

  The invention according to claim 5 is the hinge of the cabinet for electrical and electronic equipment according to any one of claims 2 to 4, wherein a spring is housed in the hinge pin housing portion, and is housed in the hinge pin housing portion. The hinge pin is biased.

According to a sixth aspect of the present invention, in the hinge of the cabinet for electric and electronic equipment according to the first aspect, a hinge pin holder is disposed at the end of the front surface of the door, and a reinforcing metal fitting is provided at the end of the rear surface of the door. And the door is sandwiched and fixed by the two members of the hinge pin holder and the reinforcing metal fitting .

The hinge of the cabinet for electrical and electronic equipment of the present invention is a hinge of the cabinet for electrical and electronic equipment that pivotally attaches the door to the box, and the hinge pin and the hinge pin are held on the front surface side of the door, Consists of a hinge pin holder that is attached to the front end of the front surface and a hinge receiver that is attached to the outer frame of the box. The hinge pin slides the hinge pin up and down from the back side of the door. A sliding means is provided. According to this structure, although it is an outside hinge, the hinge pin can be slid only after the door is opened, and security can be ensured. Further, in the present invention, the hinge pin holder includes a hinge pin storage portion for storing the hinge pin, and the hinge pin accommodated in the hinge pin storage portion is slid up and down on the hinge pin. As a means for allowing the hinge pin insertion portion formed in the hinge receiver to be freely inserted and removed, from the side surface portion of the hinge pin housed in the hinge pin housing portion, through the hole portion formed in the door, in the back surface direction of the door It was set as the structure provided with the hinge pin operation bar protruded toward . According to this configuration, the hinge pin can be easily attached and detached by operating the hinge pin operation bar without using a tool. In addition, since the hinge pin operation bar is horizontally projected toward the back side of the door, the hinge pin cannot be attached / detached from the outside of the cabinet, and other than an authorized worker who has access authority to the inside of the cabinet It is possible to prevent the hinge pin from being attached and detached.

It is decomposition | disassembly explanatory drawing of the hinge of this invention. It is explanatory drawing of a hinge pin. It is explanatory drawing of a hinge pin holder. It is explanatory drawing of the reinforcement metal fitting of a hinge pin holder.

  Preferred embodiments of the present invention are shown below.

FIG. 1 shows an exploded view of the hinge of the present invention. The hinge of the present invention includes a hinge pin 3, a hinge pin holder 1 (FIG. 1-(a)) that holds the hinge pin 3 at the front end of the door 4, and an outer frame portion 5 of the box. It is comprised from the hinge holder 2 (FIG.1- (b)) to attach. In the hinge of the present invention, a part of the hinge pin 3 held in the hinge pin holder 1 is inserted into a hinge pin insertion portion 21 formed at the end of the hinge receiver 2 so that the door 4 is box-shaped. It is to be attached to. In addition, an outer frame part means the front-surface opening peripheral part of a cabinet, and is not limited to a frame-shaped support | pillar member.

  FIG. 2 is an explanatory view of the hinge pin. The hinge pin 3 is provided with a hinge pin operation bar 31 on the side surface.

  FIGS. 3A and 3B are explanatory views of the hinge pin holder viewed from different angles. The hinge pin holder 1 has a hinge pin storage part 11 in which the hinge pin 3 is stored and a hinge pin operation bar 31 projecting from the hole 4a formed in the door 4 in the back surface direction and is held movably up and down. A moving groove 12 formed in the vertical direction is formed.

By operating the hinge pin operation bar 31 in the vertical direction in the moving groove portion 12, the hinge pin 3 is completely stored in the hinge pin storage portion 11, or the upper portion of the hinge pin 3 is protruded from the hinge pin storage portion 11. be able to.
In addition, a first horizontal groove portion 12a and a second horizontal groove portion 12b which are hinge pin fixing means are formed at both ends of the moving groove portion 12 in order to fix and hold the hinge pin operation bar 31 at the height position. Has been. In addition, it is preferable that the spring 32 is accommodated in the bottom of the hinge pin accommodating part 11 and the hinge pin accommodated in the hinge pin accommodating part 11 is biased upward.

In a hinge comprising a hinge pin holder 1 attached to the front end of the door 4, a hinge receiver 2 attached to the outer frame of the box, and a hinge pin 3, the hinge pin operation bar When 31 is fixed to the first horizontal groove portion 12a, the hinge pin 3 is completely accommodated in the hinge pin accommodating portion 11, and the latched state of the hinge pin holder 1 and the hinge receiver 2 is released. Has been. On the other hand, when the hinge pin operation bar 31 is fixed to the second horizontal groove portion 12b, a part of the hinge pin 3 is inserted into the hinge pin insertion portion 21 formed in the hinge receiver 2, and the hinge pin 3 is inserted. The pin holder 1 and the hinge receiver 2 are in a locked state.

  Therefore, when removing a door from a cabinet, the hinge pin operation bar 31 in the 2nd horizontal groove part 12b is moved to the movement groove part 12 first. Here, the hinge pin 3 moves to the lower end of the moving groove 12 while pushing down the hinge pin operating bar 31 against the urging force of the spring 32, and the hinge pin 3 is completely accommodated inside the hinge pin accommodating portion 11. Then, at this position, the hinge pin operation bar 31 is horizontally moved and fixed by the first horizontal groove portion 12a, and the latched state of the hinge pin holder 1 and the hinge receiver 2 is released.

On the contrary, when the door is attached to the cabinet, first, the hinge pin operation bar 31 is fixed to the first horizontal groove portion 12a in the hinge pin holder 1 attached to the front end portion of the door. deep. Next, the position of the hinge pin insertion portion 21 formed on the hinge receiver 2 attached to the outer frame portion of the box and the hinge pin holder 1 attached to the front surface end portion of the door were formed. The hinge pin holder 1 and the hinge receiver 2 are combined while adjusting so that the opening of the hinge pin storage portion 11 is opposed to the opening. When the hinge pin operation bar 31 is moved horizontally at this position, the hinge pin 3 protrudes outward from the hinge pin storage portion 11 by the urging force of the spring 32 and penetrates into the hinge pin insertion portion 21 of the hinge receiver 2. Here, the hinge pin operation bar 31 may be horizontally moved and fixed to the second horizontal groove portion 12b.

  FIG. 4 shows a rear view of the door to which the hinge pin holder 1 is attached.

As shown in FIG. 1, a hinge pin holder 1 is attached to the front surface of the door. From the attachment position of the hinge pin holder 1, the reinforcing metal fitting 6 is attached to a corresponding position on the back surface of the door across the door.

  A load due to a reaction from the hinge receiver 2 acts on the attachment portion where the hinge pin holder 1 is attached to the door. Therefore, as a reinforcing structure for the door, it is preferable to form the bent portions 65 at the upper and lower ends and one side of the reinforcing bracket 6 disposed on the back surface of the hinge pin holder 1.

  A hole 4a is formed at the position of the door corresponding to the moving groove 12, first horizontal groove 12a, and second horizontal groove 12b of the hinge pin holder 1, and the hinge pin 3 of the hinge pin holder 1 is formed. A hole 4 b corresponding to the confirmation hole 14 formed for confirming the fitting operation for fitting is formed at the corresponding position of the door 4. The reinforcing metal fitting 6 that sandwiches and reinforces the door 4 together with the hinge pin holder 1 is formed with a single insertion hole 62 corresponding to the hole portion 4a and the hole portion 4b. The structure is such that it passes through the hole 4 a of the door 4 and the insertion hole 62 of the reinforcing metal fitting and protrudes in the rear surface direction of the door 4.

  The hinge pin holder 1 and the reinforcing metal fitting 6 are provided with attachment holes 13 and 63 for screwing with the door 4 interposed therebetween. A similar hole is also formed at the corresponding position of the door 4.

DESCRIPTION OF SYMBOLS 1 Hinge pin holder 11 Hinge pin accommodating part 12 Moving groove part 12a First horizontal groove part 12b Second horizontal groove part 13 Mounting hole part 14 Confirmation hole 2 Hinge receiving tool 21 Hinge pin insertion part 3 Hinge pin 31 Hinge pin operation bar 32 Spring 4 Door 4a Hole 4b Hole 5 Box outer frame 6 Reinforcing bracket 62 Insertion hole 63 Mounting hole

Claims (6)

A hinge of a cabinet for electrical and electronic equipment that pivotally attaches a door to a box,
Hinge pin,
A hinge pin holder for holding the hinge pin on the front side of the door and attaching it to the end of the front side of the door;
Consists of a hinge holder attached to the outer frame of the box,
The hinge pin holder includes a hinge pin storage portion for storing the hinge pin,
The hinge pin is housed in the hinge pin housing portion as a means for sliding the hinge pin housed in the hinge pin housing portion up and down to be freely inserted into and removed from the hinge pin insertion portion formed in the hinge holder. A hinge for an electrical and electronic equipment cabinet, comprising a hinge pin operation bar that protrudes from a side surface of the hinge pin through a hole formed in the door toward a back surface of the door. The hinge pin holder includes a hinge pin storage portion, a moving groove portion that protrudes the hinge pin operation bar toward the back surface of the door and is held movably up and down, and a hinge pin that fixes the hinge pin in a sliding position. The hinge of the cabinet for electrical and electronic equipment according to claim 1, further comprising fixing means.   The hinge for a cabinet for electrical and electronic equipment according to claim 2, wherein the hinge pin fixing means is a horizontal groove portion extending respectively at the upper end portion and the lower end portion of the groove portion.   The horizontal groove portion includes a first horizontal groove portion that fixes the hinge pin completely accommodated in the hinge pin housing portion at the position, and a hinge pin whose tip portion is inserted into the hinge pin insertion portion. The hinge of the cabinet for electrical and electronic equipment according to claim 3, comprising a second horizontal groove portion fixed at the position.   5. The electric and electronic equipment cabinet according to claim 2, wherein a spring is housed in the hinge pin housing portion and biases the hinge pin housed in the hinge pin housing portion. hinge.   A hinge pin holder is placed at the end of the door's front surface, and a reinforcing bracket is placed at the end of the back of the door, and the door is sandwiched between the hinge pin holder and the reinforcing bracket. The hinge of the cabinet for electrical and electronic equipment according to claim 1.

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