JP2543918Y2 - Hinge structure - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hinge structure mounted between a housing and a door of an electronic device. Among the electronic devices, a box-shaped housing 1 having an open front as shown in FIG.
In many cases, a desired electronic device is accommodated, and the opening of the electronic device is closed by a door 2 so as to be freely opened and closed.

[0004] In general, an electronic device is transported by removing a door from a housing, mounting an electronic device in the housing, and then mounting the door on the housing. In some cases, the electronic device housed in the housing with the door removed may be maintained.

[0003]

2. Description of the Related Art FIG. 6 is a perspective view of a conventional hinge, FIG. 7 is a perspective view of another hinge, FIG. 8 is a view of still another conventional hinge structure, (A) is a sectional view, and (B) is a sectional view. It is a perspective view of an important point.

A hinge 5 shown in FIG. 6 is a widely marketed hinge, and a pair of fixing plates 5A and 5B are fitted to the left and right sides by engaging cylinder portions 5C which engage with each other. It is slidably connected by a pin 5D penetrating into it.

The fixing plate 5A is attached to the housing 1 and the other fixing plate 5B is attached to the door 2 with small screws, so that the door 2 is supported by the fixing plate 5A and the pin 5D is pivoted. Then, the door 2 is made to move.

The hinge 6 shown in FIG. 7 has a cylindrical portion 6a provided on one vertical edge of a lower fixing plate 6A fixed to the housing 1. On the other hand, a pin 6b projecting downward is provided on one vertical edge of the upper fixing plate 6B fixed to the door 2.

Then, the pin 6b of the upper fixing plate 6B is inserted into the cylindrical portion 6a of the lower fixing plate 6A, so that the door 2 is fixed to the lower fixing plate 6A.
And the door 2 swings around the pin 6b.

In FIG. 8, reference numeral 20 denotes a fitting plate fixed to the lower portion of the door 2 on the side of the sliding shaft, and a short pin 21 protruding downward is provided at the center of the lower surface of the fitting plate 20. Also,
Reference numeral 10 denotes a receiving plate fixed to the lower portion of the housing 1 so as to overlap the lower portion of the fitting plate 20. A vertical hole through which the pin 21 passes is provided in the center of the receiving plate 10.

A lower hinge portion is formed by the fitting plate 20 and the receiving plate 10, and the receiving plate 10 supports the own weight of the door 2 and
Door 2 slides around 21. On the other hand, as shown in FIG. 8B, the upper hinge portion has a U-shaped support plate 40 fixed to the upper portion of the door 2 and an upper support plate 30 fixed to the upper portion of the housing 1.
It is composed of

More specifically, the U-shaped support plate 40 has an upper plate member 42 and a lower plate member 41 which are vertically opposed to each other horizontally and vertically.
At the center of the lower plate member 41 and the center of the lower plate member 41, holes through which the L-shaped pins 45 are inserted from below and through which the vertical portions of the L-shaped pins 45 pass are formed.

Further, a coil spring 44 is mounted between the retaining ring 43 fitted in the middle of the vertical portion of the L-shaped pin 45 and the lower plate member 41 to constantly urge the L-shaped pin 45 upward. I have. On the other hand, a hole 31 into which the upper end of the L-shaped pin 45 is fitted is formed in the upper support plate 30, and the horizontal portion of the L-shaped pin 45 is pulled downward by hand. The plate member is overlapped below the upper support plate 30, the hand is lifted and the L-shaped pin 45 is lifted upward by the elastic force of the coil spring 44, and the upper end thereof is moved to the upper support plate.
The holes 30 are fitted into the holes 31.

That is, the upper portion of the door 2 is slidably mounted on the housing 1 by the upper hinge portion including the U-shaped support plate 40 and the upper support plate 30.

[0013]

The hinge 5 shown in FIG. 6 has a simple structure and is inexpensive, but has a problem that it is difficult to remove the door from the housing.

The hinge 6 shown in FIG. 7 has a simple structure and is inexpensive, and the door can be easily removed from the housing by lifting the door upward. However, as shown in FIG. 5, when the doors are mounted in two stages, the lower portion of the door must be removed unless the upper portion of the door is removed because the hinge pin and the cylindrical portion have a large fitting length. There was a problem that can not be.

In the hinge structure shown in FIG. 8, the upper hinge portion only needs to move the L-shaped pin up and down by hand, so that the U-shaped support plate and the upper support plate are fitted together, and the pin of the lower hinge portion is connected to the upper hinge plate. Since the fitting length with the plate is small, the present invention can be applied to a door mounted in two stages, and can be separately attached and detached vertically.

However, in order to sufficiently increase the elasticity of the coil spring, the number of turns of the coil spring is increased. Accordingly, there is a problem that the shape of the U-shaped support plate becomes large.

The present invention has been made in view of the above points, and it is an object of the present invention to provide a small hinge structure in which a door can be easily attached and detached.

[0018]

According to the present invention, as shown in FIG. 1, a block 50 and an L-shaped pin 60 fixed to an upper portion of the door 2 on the sliding shaft side are provided. An upper hinge portion constituted by an upper support plate 30 fixed to the body 1.

On the other hand, the lower hinge portion has a pin 21 protruding in the center of the lower surface, and has a fitting plate 20 fixed to the lower portion of the door 2 on the sliding shaft side, and a vertical hole in which the pin 21 fits in the center. And a receiving plate 10 fixed to the lower portion of the housing 1 so as to overlap below the fitting plate 20.

The rectangular parallelepiped block 50 of the upper hinge portion has a vertical hole 51 through which a vertical portion 61 of an L-shaped pin 60 penetrates at the center, and a horizontal portion 62 of the L-shaped pin 60 is formed below the vertical hole 51. A front opening 52 is provided on the front side so as to be movable up and down.

Also, a lateral groove 55 communicating with the upper portion of the front opening 52 so that the horizontal portion 62 of the L-shaped pin 60 can rotate by approximately 90 degrees.
Is provided. On the other hand, the upper support plate 30 fixed to the upper part of the housing 1 so as to overlap the upper part of the block 50 has a hole into which the upper end of the L-shaped pin 60 penetrating the vertical hole 51 is fitted.

The lower portion of the door 2 is slidably supported by the lower hinge portion, and the L-shaped pin 60 is rotated 90 degrees to insert and lock the horizontal portion 62 into the lateral groove 55. The upper end of the door 2 is slidably held by the upper hinge while the tip is held in the hole of the upper support plate 30.

Also, as illustrated in FIG.
The lower wall 55A of the lateral groove 55 has a concave portion 71 with which the horizontal portion 62 of the L-shaped pin 60 engages. Alternatively, FIG.
As shown in FIG. 5, a rubber plate 72 for holding the horizontal portion 62 of the L-shaped pin 60 is adhered to the lower wall 55A and the upper wall 55B of the lateral groove 55 of the block 50.

Alternatively, as shown in FIG. 4, a C-shaped leaf spring 75 for holding the horizontal portion 62 of the L-shaped pin 60 is attached to a deep portion of the horizontal groove 55 of the block 50.

[0025]

The upper hinge portion of the present invention is designed so that the block and the upper support plate are fitted by simply moving the L-shaped pin up and down by hand, and the fitting length between the pin of the lower hinge portion and the receiving plate is small.

Therefore, the door is opened and the horizontal portion 62 is rotated to rotate the horizontal groove.
When the block 50 and the upper support plate 30 are removed from the block 55 and then the L-shaped pin 60 is pulled downward, the block 50 and the upper support plate 30 are released from engagement. Therefore, the door 2 can be removed from the housing 1 by lowering the upper part of the door 2 slightly toward the near side and lifting the door 2 upward by the fitting length between the pin of the lower hinge part and the receiving plate.

That is, the present invention is applied to doors mounted in two stages, and the doors 2 can be separately attached and detached vertically. On the other hand, the upper hinge block has a rectangular parallelepiped shape, in which a vertical hole through which the L-shaped pin penetrates and a horizontal groove for locking the horizontal portion of the L-shaped pin are provided. Therefore, it is easy to reduce the size of the block.

By providing a concave portion, a rubber plate or a C-shaped leaf spring in the lateral groove, the L-shaped pin is prevented from coming out of the hole of the upper support plate due to vibration or the like.

[0029]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. The same reference numerals indicate the same objects throughout the drawings.

FIGS. 1A and 1B are views showing the principle of the present invention, in which FIG. 1A is a sectional view, FIG. 1B is a perspective view of a key point, and FIG. 2 is a perspective view showing a key point of an embodiment of the present invention. 3 is a perspective view of a block according to another embodiment of the present invention, and FIG. 4 is a perspective view of a block according to still another embodiment of the present invention.

In FIG. 1, the lower hinge portion has a protruding pin 21 at the center of the lower surface, a fitting plate 20 fixed to the lower portion of the door 2 on the side of the sliding shaft, and a vertical plate for fitting the pin 21 into the center. And a receiving plate 10 having a hole and fixed to the lower portion of the housing 1 so as to overlap below the fitting plate 20.

As described above, since the fitting plate 20 is overlapped on the receiving plate 10 and the pins 21 are loosely inserted into the vertical holes of the receiving plate 10, the lower hinge is fixed to the receiving The plate 10 supports the weight of the door 2, and the door 2 slides around the pin 21.

The length of the pin 21 is about 2 mm to 3 mm, and the pin 21 is loosely inserted into the vertical hole of the receiving plate 10. On the other hand, the upper hinge portion is composed of a block 50 fixed to the upper portion of the door 2 on the side of the pivot shaft, an L-shaped pin 60, and an upper support plate 30 fixed to the housing 1.

The upper support plate 30 is fixed to the upper part of the housing 1 so as to overlap the upper part of the block 50, and has an L-shaped pin 60 penetrating through a vertical hole 51 of the block 50, which will be described later, at a substantially central portion thereof. A hole 31 into which the upper end of the hole is fitted is formed. Has holes.

The block 50 has a rectangular parallelepiped shape and is fixed to the door 2 by welding one side thereof. block
At the center of the 50, a vertical hole 51 through which the vertical portion 61 of the L-shaped pin 60 passes is provided. Then, when the L-shaped pin 60 is combined with the block 50 and the vertical portion 61 is inserted into the vertical hole 51, the vertical hole is moved so that the horizontal portion 62 can move up and down in the block 50.
A front opening 52 is formed by opening a lower portion of the lower side of 51.

The vertical portion 61 is inserted into the vertical hole 51, the L-shaped pin 60 is combined with the block 50, and the horizontal portion 62 is connected to the front opening 52.
The length of the vertical portion 61 of the L-shaped pin 60 is set such that the upper end of the L-shaped pin 60 fits into the hole 31 of the upper support plate 30 when the L-shaped pin 60 is locked to the upper portion of the L-shaped pin 60.

On the other hand, when the horizontal portion 62 is locked on the upper portion of the front opening 52, the horizontal portion 62 of the L-shaped pin 60 can be turned laterally by approximately 90 degrees. The block 50 has a lateral groove 55 communicating with the block 50.

To assemble the upper hinge, the L-shaped pin 60
Is inserted into the vertical hole 51 of the block 50, and the upper end thereof is fitted into the hole 31 of the upper support plate 30. Then, by operating the tip of the horizontal portion 62, the L-shaped pin 60 is rotated in the horizontal direction by 90 degrees, and the horizontal portion 62 is inserted into the lateral groove 55.

As a result, the state in which the upper end of the L-shaped pin 60 is fitted into the hole of the upper support plate 30 is maintained. Therefore, the upper part of the door 2 is attached to the housing 1 slidably by the upper hinge part.

To remove the door 2 from the housing 1, first open the door 2, rotate the horizontal portion 62 of the L-shaped pin 60 to remove it from the lateral groove 55, and then pull out the L-shaped pin 60 downward to remove the block 50 and the upper part. The fitting of the support plate 30 is released.

Next, lower the door 2 slightly toward the front side,
When the door 2 is fitted with the pin 21 of the lower hinge part and the receiving plate 10 (2 mm ~
3mm). This allows the mating plate 20 and the receiving plate
The mating with 10 is released. Therefore, the door 2 can be removed from the housing 1.

With the above configuration, the upper and lower
The door 2 can be attached to and detached from the housing 1 separately in the upper and lower directions by applying to the door 2 mounted on the tier. On the other hand, the upper hinge block 50 has a rectangular parallelepiped shape, in which a vertical hole through which the L-shaped pin passes and a horizontal groove for locking the horizontal portion of the L-shaped pin are provided. Coil spring etc. is not mounted. Therefore, it is easy to reduce the size of the upper hinge portion.

In FIG. 2, a block 50 fixed to the door 2
A concave portion 71 in which the horizontal portion 62 of the L-shaped pin 60 sinks in a horizontal state is provided in the lower side wall 55A part of the lateral groove 55. By providing the recess 71 in the lateral groove 55 in this way, even if the housing or the door vibrates, the rotation of the L-shaped pin 60 in the horizontal plane is prevented, so that the block 50 may come off from the upper support plate 30. Absent.

FIG. 3 shows the lower wall 55A of the lateral groove 55 of the block 50.
A rubber plate 72 for holding the horizontal portion 62 of the L-shaped pin 60 is adhered to the upper side wall 55B. Also, FIG.
A C-shaped leaf spring 75 for holding the horizontal portion 62 of the L-shaped pin 60 is attached to the inner part of the horizontal groove 55 of 50.

[0045]

As described above, the present invention has a hinge structure comprising a lower hinge portion comprising a receiving plate and a fitting plate, and an upper hinge portion comprising a block, an L-shaped pin and an upper support plate. Therefore, the door can be easily attached and detached, and the hinge structure has a small size, which is a practically excellent effect.

[Brief description of the drawings]

FIG. 1 is a view showing the principle of the present invention, in which (A) is a cross-sectional view and (B) is a perspective view of a key point.

FIG. 2 is a perspective view showing an important part of the embodiment of the present invention.

FIG. 3 is a perspective view of a block according to another embodiment of the present invention;

FIG. 4 is a perspective view of a block according to another embodiment of the present invention;

FIG. 5 is a perspective view of an electronic device.

FIG. 6 is a perspective view of a conventional hinge.

FIG. 7 is a perspective view of another conventional hinge.

FIG. 8 is a view of still another conventional hinge structure, (A) is a cross-sectional view, and (B) is a perspective view of a key point.

[Explanation of symbols]

1 housing, 2 doors,
5, 6 hinge, 10 receiving plate, 20 mating plate,
21 pins, 30 upper support plate,
31 holes, 40 U-shaped support plate,
44 Coil spring, 45,60 L-shaped pin,
50 blocks, 51 vertical holes,
52 front opening, 55 lateral groove, 61 vertical part, 62 horizontal part, 71 concave part,
72 rubber plate, 75 C type leaf spring,

Continuation of the front page (56) References JP-A 2-72773 (JP, U) JP-A 50-138225 (JP, U)

Claims (4)

(57) [Scope of request for utility model registration] A vertical hole (51) through which a vertical portion (61) of an L-shaped pin (60) penetrates, and is formed at a lower portion of the vertical hole (51).
(0), the horizontal portion (62) is formed to communicate with an upper portion of the front opening (52) that can move up and down, and the upper portion of the front opening (52).
2) has a lateral groove (55) that can be rotated approximately 90 degrees, and the door (2)
A rectangular parallelepiped block (50) fixed to the upper part of the shaft
And a hole in which the upper end of the L-shaped pin (60), which is fixed to the upper portion of the housing (1) so as to overlap the block (50) and penetrates the vertical hole (51), is fitted. A fitting plate (20) having an upper hinge portion constituted by an upper support plate (30) and a pin (21) protruding in the center of the lower surface, and fixed to a lower portion of the door (2) on the side of the sliding shaft. A vertical hole into which the pin (21) fits, and
And a receiving plate (10) fixed to the lower portion of the housing (1) so as to be superimposed below (20), comprising a lower hinge portion, wherein the upper hinge portion is provided with the L-shaped pin. By rotating the (60) by 90 degrees and inserting and locking the horizontal portion (62) into the lateral groove (55), the L-shaped pin
The upper end of the door (2) is slidably held while maintaining the upper end of the door (60) fitted in the hole of the upper support plate (30). (2) A hinge structure characterized in that the lower part of the hinge is slidably supported. 2. A lower wall (55A) at the back of the lateral groove (55)
2. A hinge structure according to claim 1, wherein a recess (71) is provided in which the horizontal portion (62) of the shape pin (60) engages. 3. The lower wall (55A) and the upper wall (55) of the lateral groove (55).
B), a rubber plate (7) holding the horizontal portion (62) of the L-shaped pin (60)
The hinge structure according to claim 1, wherein 2) is attached. 4. A C-shaped leaf spring (75) for holding a horizontal portion (62) of an L-shaped pin (60) is mounted in a deep portion of the lateral groove (55). Hinge structure.