JP3517682B2 - Loading cabinet - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is constructed by stacking and fixing a plurality of stages of units each having a detachable cover in the form of a building block, and in particular, for protecting an internal electronic exchange or by an electronic component. The present invention relates to a loading cabinet used to reduce the influence of electromagnetic waves on the human body.

[0002]

2. Description of the Related Art FIG. 8 is a perspective view of a conventional loading cabinet. This loading cabinet 1000
In the configuration, each unit 200, 300, 400, 500 is stacked like a building block and fixed to each other, and the top unit 200 is closed by a top plate 60. An electronic exchange and a power supply are installed inside each unit.

The units 200, 300, 400, 5
00, removable covers 235, 335,
435,535 are provided. The covers 235, 33
5,435,535 have locks 245,345,
445 and 545 are attached. FIG. 9 shows the covers 235, 3 of the units 200, 300, 400, 500.
It is a perspective view which shows the state which removed 35,435,535. Further, FIG. 10 is a detailed perspective view of the cover 535. Note that the configurations of the covers 235, 335, 435 are the same as the configuration of the cover 535, so description of those configurations will be omitted.

A key lever 55 is attached to a lock 545 of the cover 535.
5 is connected, and a lever hooking hole 59 is formed in the unit 500 for hooking the key lever 555 thereof. Further, keepers 585a and 585b are provided inside both ends of the upper portion of the cover 535, and one-touch catches 51a and 51b are attached to the unit 500 to receive the keepers 585a and 585b. Further, hooking holes 565a and 565b are formed inside both ends of the lower portion of the cover 535, and the unit 500 is provided with supporting portions 52a and 52b at positions facing the hooking holes 565a and 565b.

When the cover 535 is attached to the unit 500, the key lever 555 is tilted horizontally, the hook holes 565a and 565b are inserted into the support portions 52a and 52b, and the cover portions 52a and 52b are used as fulcrums. 5
35 to the inside, and one-touch catch 51a, 5
The arms of the keepers 585a and 585b are inserted into 1b. Then, the key lever 555 is rotated to be in the vertical state. This causes the key lever 555 to move into the lever hook hole 59.
, The cover 535 is locked.

When the cover 535 is removed from the unit 500, the key lever 555 is horizontally rotated and the cover 535 is pushed inward, so that the keeper 585a, 58 inserted into the one-touch catch 51a, 51b.
The arm of 5b is taken out, and the cover 535 is lifted while rotating the cover 535 outward with the supporting portions 52a and 52b as fulcrums.

Since the units 300 and 400 have the same structure as the unit 500, their description will be omitted. Regarding the unit 200, a lever hooking hole for hooking the key lever of the lock 245 of the cover 235 is formed in the top plate 60 (not shown), and other configurations are the same as those of the unit 500. Also, the cover 23
Since 5,335,435 can be attached or detached in the same manner as the cover 535, the description thereof will be omitted.

[0008]

In the above conventional loading cabinet 1000, the covers 235, 335, 43 are provided.
Since 5,535 is locked by the locks 245, 345, 445, 545, the lock is released for each cover when performing periodic inspections of the electronic exchanges and power supplies inside the unit and maintenance at the time of failure. after attaching the cover Oh to have ended the or failure at the time of maintenance, it is necessary to lock each cover.

However, the work of locking and unlocking each cover takes time, resulting in poor work efficiency. Further, since each cover is provided with a lock, the component cost and the assembly cost increase, and the product price increases. Therefore, an object of the present invention is to provide a loading cabinet in which the work of locking the cover and the work of unlocking the cover do not take time.

[0010]

To achieve the above object, according to an aspect of the present invention comprises a unit of a plurality of stages, of the unit
A detachable cover is provided on each step, and a keeper is provided inside both upper ends of the cover and a hook hole is provided inside both lower ends of the cover.
And the position facing the keeper of the unit.
One-touch catch that receives the keeper at the table,
By inserting into the hook hole at a position facing the hook hole
Ri is provided a support portion for supporting the cover, wherein the plurality of stages of claws projecting to the inside of the cover of the lower stage unit to the inside of the lower portion both ends of the cover of the units other than the lowermost unit is provided for, the uppermost unit Near the center of the top of the
Provide a lock with a keyhole on the inside and a key lever on the inside.
A top plate for closing the stage unit, a lever hooking for hooking the lock key lever of cover of the uppermost unit
Provided is a loading cabinet having an end portion .

In the above-mentioned loading cabinet, a lock is provided only on the cover of the uppermost unit, and when the cover is attached, the cover of the lowermost unit is attached first, and then the cover of the uppermost unit is attached in order to lock the cover of the uppermost unit. . When removing the cover, the cover of the uppermost unit is unlocked, the cover of the uppermost unit is removed, and then the cover of the lower unit is sequentially removed. In the locked state, the cover of the uppermost unit cannot be removed. In addition, the cover of each unit other than the cover of the top unit is locked because the keeper inserted in the one-touch catch cannot be taken out because the claws of the cover of the upper unit protrude inside and cannot be pushed. It will be in a state of being.

As described above, by locking the cover of the uppermost unit, the covers of all the units are locked, and by unlocking the cover of the uppermost unit, the locks of the covers of all the units are unlocked. Therefore, the work efficiency at the time of performing periodic inspections and maintenance at the time of failure will be improved. Further, since the covers of all the units can be locked or unlocked by one lock, it is not necessary to provide a lock on each cover, and the product price can be suppressed.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention will now be described in more detail with reference to the embodiments shown in the drawings. The present invention is not limited to this. -First Embodiment- FIG. 1 is a perspective view of a loading cabinet according to a first embodiment of the present invention.

The loading cabinet 10 has a construction in which individual units 20, 30, 40, 50 are stacked like a building block and fixed to each other, and the uppermost unit 20 is closed by a top plate 60. An electronic exchange and a power supply are installed inside each unit.
Each of the units 20, 30, 40 and 50 is provided with a removable cover 23, 33, 43 and 53.
A lock 24 is attached to the cover 23.

FIG. 2 shows units 20, 30, 40 and 50.
It is a perspective view which shows the state which removed the covers 23, 33, 43, and 53 of FIG. Further, FIG. 3 shows the covers 23, 43, 53.
3 is a detailed perspective view of FIG. The structure of the cover 33 is similar to that of the cover 43, and therefore the description of the structure is omitted. As shown in FIG. 3A, a key lever 25 is connected to a lock 24 of the cover 23, and a lever hooking end portion 61 (not shown) is attached to the top plate 60 for hooking the key lever 25. Are formed. Further, keepers 28a and 28b are provided inside both ends of the upper portion of the cover 23, and one-touch catches 21a and 21b are attached to the unit 20 to receive the keepers 28a and 28b. Further, hooking holes 26a and 26b are formed inside both lower ends of the cover 23, and supporting portions 22a and 22b are provided in the unit 20 at positions facing the hooking holes 26a and 26b. Also, cover 2
Inside the lower ends of 3, the cover 3 of the lower unit 30
3 are provided with claw portions 27a and 27b projecting inward.

As shown in FIG. 3 (b), keepers 48a, 48b are provided inside both upper ends of the cover 43, and the unit 40 receives the one-touch catches 41a, 48b for receiving the keepers 48a, 48b. 41
b is attached. Further, hooking holes 46a and 46b are formed inside both lower ends of the cover 43, and the unit 40 is provided with support portions 42a and 42b at positions facing the hooking holes 46a and 46b. Further, the lower unit 5 is provided inside the lower ends of the cover 43.
Claws 47a, 47b projecting inside the 0 cover 53
Is provided.

As shown in FIG. 3 (c), keepers 58a, 58b are provided inside the upper ends of the cover 53, and the unit 50 receives the one-touch catches 51a, 58b for receiving the keepers 58a, 58b. 51
b is attached. Hooking holes 56a and 56b are formed inside both ends of the lower portion of the cover 53, and supporting portions 52a and 52b are provided in the unit 50 at positions facing the hooking holes 56a and 56b.

Next, the attachment of the cover to each unit will be described with reference to the sectional view shown in FIG. First, as shown in FIG. 4A, the cover 53 is attached to the lowermost unit 50.
Attach. At this time, the hooking hole 56b of the cover 53 is inserted into the support portion 52b, the cover 53 is rotated in the direction indicated by the arrow with the support portion 52b as a fulcrum, and the arm of the keeper 58b is inserted into the one-touch catch 51b (see FIG. 4). (See (b)).

Next, as shown in FIG. 4B, the cover 43 is attached to the unit 40. At this time, the support portion 4
Insert the hooking hole 46b of the cover 43 into 2b, rotate the cover 43 in the direction indicated by the arrow with the support portion 42b as a fulcrum, and insert the arm of the keeper 48b into the one-touch catch 41b (see (c) of FIG. 4). . In addition, when the cover 43 is attached, the pawl portion 4 of the cover 43 is attached.
7b projects inside the cover 53 of the lower unit 50.

Next, the cover 33 is attached to the unit 30 in the same manner as the unit 40. When the cover 33 is attached, the pawl portion 37b of the cover 33 projects inside the cover 43 of the lower unit 40. next,
As shown in FIG. 4C, the cover 23 is attached to the uppermost unit 20. At this time, the key lever 25 of the lock 24
In the state in which the cover is horizontally tilted, the hooking hole 26b of the cover 23 is inserted into the support portion 22b, the cover 23 is rotated in the direction indicated by the arrow with the support portion 22b as a fulcrum, and the one-touch catch 21b (not shown) is provided with a keeper. 28b (not shown) is inserted. Then, as shown in FIG. 4D, the key lever 25 is rotated to be in a vertical state. As a result, the key lever 25 is hooked on the lever hooking end portion 61 of the top plate 60, so that the cover 23 is locked. When the cover 23 is attached, the cover 23
The pawl portion 27b projects inside the cover 33 of the lower unit 30.

The cover 23 of the uppermost unit 20 is locked and cannot be removed. Also,
For example, to remove the cover 33 of the unit 30, the cover 33 is pushed inward and the one-touch catch 31b is inserted.
It is necessary to take out the keeper 38b inserted into
7b suppresses the pushing operation of the cover 33 (see FIG. 4).
(D)), the keeper 38b inserted into the one-touch catch 31b cannot be taken out, and the cover 3
3 cannot be removed. Similarly, since the pawl portion 37b of the cover 33 of the unit 30 suppresses the pushing operation of the cover 43 (see (d) of FIG. 4), the keeper 48b inserted into the one-touch catch 41b cannot be taken out, and the unit 40 is not removed. The cover 43 of the above cannot be removed either. Similarly, since the claw portion 47b of the cover 43 of the unit 40 suppresses the pushing operation of the cover 53 (see (d) of FIG. 4), the one-touch catch 5
The keeper 58b inserted into the 1b cannot be taken out, and the cover 53 of the unit 50 cannot be removed either. Therefore, by locking the cover 23, the entire loading cabinet 10 is locked.

When removing the cover of each unit, first, the cover 23 of the uppermost unit 20 is removed. At this time, after the key lever 25 of the lock 24 is horizontally rotated, the cover 23 is pushed inward to take out the arm of the keeper 28b inserted into the one-touch catch 21b, and the cover 23 is moved outward with the supporting portion 22b as a fulcrum. Lift while rotating.

Next, the covers 33, 43, 53 of the lower unit 30, 40, 50 are sequentially removed. For example, when removing the cover 33 of the unit 30, the upper unit 2
Since the 0 cover 23 has already been removed, the pushing operation of the cover 33 is not suppressed. Therefore, the cover 3
One-touch catch 31 by pushing 3 inward
Take out the arm of the keeper 38b inserted in b,
The cover 33 is lifted while rotating with the support 32b as a fulcrum.

According to the above-mentioned loading cabinet 10, by locking the lock 24 provided only on the uppermost unit 20, all the lower units 30, 40, 50 are locked, and the lock of the uppermost unit 20 is locked. By unlocking 24, all units 3
The lock of 0, 40, 50 can be released, and the work efficiency at the time of performing periodic inspections and maintenance at the time of failure can be improved. Further, it is not necessary to provide a lock on each cover, and the product price can be suppressed.

In the above description, the stacking cabinet is constructed by stacking four units, but it may be constructed by stacking less than four units. Further, the loading cabinet may be configured by stacking four or more units. Further, in the above description, the loading cabinet is applied to the electronic exchange, but
It may be applied to a multiplexing device or an ATM exchange that employs a loading cabinet. -Second Embodiment- Fig. 5 is a perspective view of a loading cabinet according to a second embodiment of the present invention.

In this loading cabinet 100, the individual units 20, 30, 40, 50 are stacked and fixed to each other like a building block, and the uppermost unit 20 is placed.
Is a structure in which the top plate 60 is closed. An electronic exchange and a power supply are installed inside each unit. Each of the units 20, 30, 40, 50 is provided with a removable cover 23, 33, 430, 530. Locks 24, 54 are provided on the covers 23, 530.
Is attached.

The state in which the covers 23, 33, 430, 530 of the units 20, 30, 40, 50 are removed is the same as the perspective view shown in FIG. FIG. 6 is a detailed perspective view of the covers 430 and 530. The cover 2
The configuration of 3, 33 is the cover 2 of the loading cabinet 10.
Since it is the same as 3, 33, its description is omitted. Figure 6
(A), keepers 48a and 48b are provided inside the upper ends of the cover 430. Further, a cover end 49 is provided inside the lower portion, and hook holes 46a and 46b are formed at both ends of the cover end 49.

As shown in FIG. 6B, the cover 530.
A key lever 55 is connected to the lock 54. Further, keepers 58a and 58b are provided inside both upper ends of the cover 530, and hooking holes 56a and 58a are provided inside both lower ends.
56b is formed. Next, attachment of the cover to each unit will be described with reference to the sectional view shown in FIG. 7.

First, as shown in FIG. 7A, the cover 530 is attached to the lowermost unit 50. At this time,
With the key lever 55 of the lock 54 horizontally tilted,
The hook hole 56b of the cover 530 is inserted into 2b, the cover 530 is rotated in the direction indicated by the arrow with the support portion 52b as a fulcrum, and the arm of the keeper 58b (not shown) is inserted into the one-touch catch 51b (not shown) ( Figure 7
(B)). Then, as shown in FIG.
The key lever 55 is rotated to the vertical state.

Next, as shown in FIG. 7B, the cover 430 is attached to the unit 40. At this time, the hooking hole 46b of the cover 430 is inserted into the support portion 42b, and the cover 430 is rotated in the direction indicated by the arrow with the support portion 42b serving as a fulcrum, and the one-touch catch 41b is attached to the keeper 4.
Insert the arm 8b (see FIG. 7 (c)). In addition,
With the cover 430 attached, the cover 430 is
The cover end portion 49 of is located in front of the key lever 55 of the lock 54 of the cover 530 of the lower unit 50 and hooks the key lever 55, so that the cover 530 is locked.

Next, the cover 33 is attached to the unit 30 in the same manner as the unit 40. When the cover 33 is attached, the pawl portion 37b of the cover 33 projects inside the cover 43 of the lower unit 40. next,
As shown in FIG. 7C, the cover 23 is attached to the uppermost unit 20. At this time, the key lever 25 of the lock 24
In the state in which the cover is horizontally tilted, the hooking hole 26b of the cover 23 is inserted into the support portion 22b, the cover 23 is rotated in the direction indicated by the arrow with the support portion 22b as a fulcrum, and the one-touch catch 21b (not shown) is provided with a keeper. 28b (not shown) is inserted. Then, as shown in FIG. 7D, the key lever 25 is rotated to be in a vertical state. As a result, the key lever 25 is hooked on the lever hooking end portion 61 of the top plate 60, so that the cover 23 is locked. When the cover 23 is attached, the cover 23
The pawl portion 27b projects inside the cover 33 of the lower unit 30.

The cover 23 of the uppermost unit 20 and the cover 530 of the lowermost unit 50 are locked and cannot be removed. Also, for example, in order to remove the cover 33 of the unit 30, it is necessary to push the cover 33 inward and take out the keeper 38b inserted in the one-touch catch 31b, but the claw portion 27b of the cover 23 of the uppermost unit 20 is required. Covers 33
In order to suppress the pushing operation of (see (d) of FIG. 7),
Keeper 38 inserted in the one-touch catch 31b
This means that b cannot be taken out and the cover 33 cannot be removed.

Similarly, since the pawl portion 37b of the cover 33 of the unit 30 suppresses the pushing operation of the cover 43 (see (d) of FIG. 7), the keeper 48b inserted into the one-touch catch 41b cannot be taken out. Also, the cover 43 of the unit 40 cannot be removed. When removing the cover of each unit, first, the cover 23 of the uppermost unit 20 is removed. At this time, after the key lever 25 of the lock 24 is horizontally rotated, the cover 23 is pushed inward to take out the arm of the keeper 28b inserted into the one-touch catch 21b, and the support portion 2
The cover 23 is lifted while rotating the cover 23 outward with the 2b as a fulcrum.

Next, the covers 33, 430, 530 of the lower unit 30, 40, 50 are sequentially removed. For example, when the cover 33 of the unit 30 is removed, since the cover 23 of the upper unit 20 has already been removed, the pushing operation of the cover 33 is not suppressed. Therefore, by pushing the cover 33 inward, the arm of the keeper 38b inserted into the one-touch catch 31b is taken out, and the cover 33 is lifted while rotating with the support portion 32b as a fulcrum.

The lock 5 of the cover 530 of the lowermost unit 50
After rotating the key lever 55 of No. 4 horizontally, the cover 530
One-touch catch 51b by pushing inward
By removing the arm of the keeper 58b inserted in the upper part of the upper unit while removing the arm of the keeper 58b and lifting the cover 530 while rotating the supporting unit 52b as a fulcrum, the upper unit does not have to be removed or the upper unit is unlocked. The cover 530 can be removed. Generally, in the lowermost unit of the loading cabinet, important electronic components such as a power source are installed, which allows quick response in an emergency.

According to the above-mentioned loading cabinet 100, only the uppermost unit 20 and the lowermost unit 50 are locked.
4 and a lock 54 are provided, and by locking the lock 24 of the uppermost unit 20, all lower units 30,
Locking 40 and 50 and the uppermost unit 2
By unlocking the lock 24 of 0, all the lower units 30, 40, 50 can be unlocked, and the work efficiency at the time of performing periodic inspection and maintenance at the time of failure can be improved. Further, the cover 530 of the lowermost stage unit 50 can be removed without removing the cover of the upper stage unit, or without unlocking the lock of the upper stage unit, and it is possible to quickly respond in an emergency. Further, it is not necessary to provide a lock on each cover, and the product price can be suppressed.

In the second embodiment described above, the loading cabinet has been described as being constructed by stacking four units, but it may be constructed by stacking less than four units. Further, the loading cabinet may be configured by stacking four or more units. -Third Embodiment-In the loading of the second embodiment described above, locks are provided on the covers of the uppermost unit and the lowermost unit, but in the loading cabinet of the third embodiment, the lowermost unit. Instead of providing a lock on the cover of, the lock is provided on the cover of any one unit in the middle stage.

In this case, the claw portions projecting inside the cover of the lower unit are provided inside both ends of the lower portion of the cover provided with the lock. Further, a cover end portion for hooking the lever of the lock is provided on the cover of the upper unit of the cover provided with the lock.

[0039]

As described above, according to the present invention, the keeper is provided inside the upper ends of the cover of the uppermost unit, the hook holes are provided inside the lower ends, and the cover of the lower unit is provided inside the lower ends. Providing a claw that protrudes inward, a lock with a keyhole on the outside and a key lever on the inside, a keeper inside both upper ends of the cover of the lowest unit, and hooking holes inside both ends of the lower unit. A keeper is provided inside both upper ends of the unit and the cover of each unit other than the lowest unit, hooking holes are provided inside both ends of the lower unit, and claws protruding inside the cover of the lower unit are provided inside both ends of the lower unit. , Each unit is provided with a one-touch catch for receiving the keeper at a position facing the keeper of the cover of the unit, and is provided at a position facing the hooking hole of the cover of the unit. Provided a supporting portion for supporting the cover of the unit by inserting the hook hole, stacking the cabinet the provided lever hooking end portion for hooking the key lever cover lock the uppermost unit to the top plate Make up. As a result, the loading cabinets can be locked in a lump, or the loading cabinets can be unlocked in a lump, so that the work efficiency at the time of performing periodic inspections and maintenance at the time of failure can be improved.

[Brief description of drawings]

FIG. 1 is a perspective view of a loading cabinet according to a first embodiment of this invention.

FIG. 2 is a perspective view showing a state in which a cover of each unit of the loading cabinet of FIG. 1 is removed.

FIG. 3 is a detailed perspective view of a cover of each unit of the loading cabinet of FIG.

FIG. 4 is an explanatory diagram illustrating attachment of a cover to each unit.

FIG. 5 is a perspective view of a loading cabinet according to a second embodiment of the present invention.

6 is a detailed perspective view of a cover of each unit of the loading cabinet of FIG.

FIG. 7 is an explanatory diagram illustrating attachment of a cover to each unit.

FIG. 8 is a perspective view of a conventional loading cabinet.

FIG. 9 is a perspective view showing a state in which a cover of each unit of a conventional loading cabinet is removed.

FIG. 10 is a detailed perspective view of a cover of a conventional unit.

[Explanation of symbols]

10,100 loading cabinet 20, 30, 40, 50 units 60 Top plate 23, 33, 43, 53 cover 21a, 21b One-touch catch 22a, 22b Supports 24 tablets 25 key lever 26a, 26b Hook holes 27a, 27b claws 28a, 28b keeper

─────────────────────────────────────────────────── ─── Continuation of the front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) H05K 5/00-5/06 H04Q 1/02

Claims (2)

(57) [Claims] [Claim 1, further comprising a unit of plural stages, in each stage of the unit, a removable cover provided, the keeper inside the upper ends of the cover <br/> over, hook hole on the inside of the lower ends And the keeper of the unit
One-touch cap that catches the keeper at a position facing
And the hook hole at a position facing the hook hole.
And a support part for supporting the cover by providing a cover for each unit other than the plurality of lowest units.
It provided the pawl portion projecting inside the cover of the lower stage unit to the inside of the lower portion both ends of the upper part near the center of the cover of the uppermost unit, keyhole outwardly
In providing the lock with the key lever inward, the a top plate for closing the top unit, lever for hooking the lock key lever of cover of the uppermost unit
-A loading cabinet characterized by having hooked ends . 2. The unit according to claim 1 , wherein the units are provided in three or more stages , and on a cover of a predetermined unit other than the uppermost unit.
The section near the center, a lock having a key lever inwardly keyhole outwardly provided, covering the with Haisuru the claw portion of the adjacent upper stage unit adjacent to the predetermined unit, the lock of the cover in the predetermined unit A loading cabinet characterized by having a cover end for hooking a key lever.