JP6786908B2 - Door opening and closing device for multi-stage storage furniture - Google Patents

Description

The present invention relates to a door opening / closing device for multi-stage storage furniture, and more particularly to a door opening / closing device for multi-stage storage furniture having excellent anti-theft properties.

Conventionally, a door that can be opened and closed at the front opening of the housing has a pull tab, a latch that engages and disengages with the stile of the housing in conjunction with the pull tab, and a locking means consisting of a mechanical lock and / or an electric lock. A variety of steel storage furniture with doors is provided. Here, the latch is generally provided on the upper and lower edges near the free end of the door so as to project toward the back surface, and engages and disengages with the engaging holes provided on the front surface of the upper and lower stiles of the housing. is there.

Generally, the engaging holes of the housing are formed by punching by press working, and at that time, burrs and sharp edges are formed on the hole edges of the engaging holes. Therefore, in order to cover the hole edge of the engaging hole, improve the sliding of the latch, and further improve the appearance, a latch receiving member made of synthetic resin is fitted to the inner peripheral edge of the engaging hole. (Patent Document 1). The latch is received by the insertion portion of the latch receiving member and is locked to the engaging portion of the latch receiving member.

Normally, the position where the latch engages with the engagement hole of the housing faces the storage space below the top plate in the case of the upper stile, and below the bottom plate in the case of the lower stile, and is a bag for reinforcement. It is provided so as to face the internal space of the bent reinforcing portion, and is designed so that the latch cannot be seen even if the housing is turned over with the door closed and locked.

On the other hand, like a locker, storage furniture that partitions the inside of one housing and provides multiple storage spaces on the top, bottom, left, and right, and has multiple unit storage spaces that open and close the front opening of each storage space with a door. Is also provided (Patent Document 2). In this case, the upper and lower unit storages are partitioned by a common horizontal horizontal partition member, and the horizontal partition member serves as a bottom plate of the upper storage and a top plate of the lower storage. On the front surface of the front frame portion of the horizontal partition member, engagement holes for engaging the lower latch of the door of the upper storage and the upper latch of the door of the lower storage are arranged side by side.

Usually, the horizontal partition member has a front stile portion extending downward from the front edge of the horizontal plate, and the above-mentioned engaging holes are arranged side by side with the front stile portion forming the front stile portion, which is inevitable. The lower latch of the door of the upper storage is located below the horizontal plate of the horizontal partition member. Therefore, if the lower latch of the door of the upper storage is exposed in the storage space of the lower storage, a finger is inserted from the storage space to disengage the latch, and the door of the upper storage is released. You will be able to open. In order to prevent this, the structure of the front frame of the horizontal partition member is configured in a bag shape in which the latch is not exposed, or another reinforcing member is fixed so that the latch is not exposed. The structure of the partition member becomes complicated and the cost becomes high.

Japanese Unexamined Patent Publication No. 2008-121321 Japanese Unexamined Patent Publication No. 10-22730

Therefore, in view of the above-mentioned situation, the present invention attempts to solve the problem by partitioning the inside of one housing into upper and lower parts by at least a horizontal partition member to provide a plurality of storage spaces and providing front openings of each storage space. In multi-stage storage furniture provided with multiple unit storages that can be opened and closed by doors, the structure of the front stile of the horizontal partition member is simplified to reduce costs, and the upper stile is stored in the front stile of the horizontal partition member. The point is to provide a door opening / closing device for multi-stage storage furniture that is not exposed in the storage space of the lower storage with the lower latch of the storage door engaged.

The present invention provides a door opening / closing device for multi-stage storage furniture configured as follows in order to solve the above-mentioned problems.

(1)
In a multi-stage storage furniture in which the inside of one housing is partitioned up and down by at least a horizontal partition member to provide a plurality of storage spaces, and a plurality of unit storage spaces are provided in which the front opening of each storage space is opened and closed by a door. The horizontal partition member has a front stile portion extending downward from the front edge of the horizontal plate, and the front plate forming the front stile portion has a lower latch of the door of the upper storage and a door of the lower storage. engagement holes that the upper latch is engaged is arranged vertically, with the bottom latching of the door of at least the upper storage case is engaged with the engagement hole, wherein the lower latch in the storage space A door opening / closing device for multi-stage storage furniture, characterized in that it is covered by a cover body provided on a horizontal partition member.

(2)
Among the engaging hole, the engaging hole bottom latching of the door of at least the upper storage case is engaged, is formed by mounting a latch receiving member having a cover member for covering the outer said lower latch (1 ) The door opening / closing device for the multi-stage storage furniture described.

(3)
The latch receiving member includes an insertion portion for receiving the lower latch engaging portion which engages the lower latch and includes a cover body for covering the outer said lower latch (2) multi-stage according Door opening and closing device for storage furniture.

(4)
The latch receiving member is an integrally molded product made of synthetic resin, and one end of the cover body is opened sideways to form an open portion , and the open portion is used as a side plate or a vertical partition member of the housing. The door opening / closing device for multi-stage storage furniture according to (3), which is arranged close to each other.

(5)
The door opening / closing device for multi-stage storage furniture according to (3) or (4), wherein the inner width of the cover body of the latch receiving member is set narrow so that a finger cannot enter.

In the door opening / closing device for the multi-stage storage furniture of the present invention as described above, the inside of one housing is partitioned up and down by at least a horizontal partition member to provide a plurality of storage spaces, and the front opening of each storage space is a door. In a multi-stage storage furniture provided with a plurality of unit storages having a structure that opens and closes with a door, the horizontal partition member has a front stile portion extending downward from the front edge of the horizontal plate, and the front plate portion forming the front stile portion. There are vertically arranged engagement holes in which the lower latch of the upper storage door and the upper latch of the lower storage door engage, and at least the lower latch of the upper storage door is in the engagement hole. in the engaged state, since the overturned outside by a cover member in which the lower latch is provided in the horizontal partitions in the storage space, even when opening the door of the lower repository, the upper storage case door Since the lower latch is covered with a cover body, even if you insert your finger from inside the storage space of the lower storage, you cannot touch the lower latch of the door of the upper storage, so you can open the door of the upper storage. It cannot be opened, that is, it has anti-theft properties. Moreover, since the structure of the front frame portion of the horizontal partition member is simplified, the number of manufacturing processes is small, the material cost can be saved, and the cost can be reduced.

Among the engaging hole, the engaging hole bottom latching of the door of at least the upper storage case is engaged, becomes wearing the latch receiving member having a cover member for covering the outer said lower latch, lower Even if the door of the storage is opened, the lower latch of the door of the upper storage is covered with the cover body of the latch receiving member, so even if you insert your finger from the storage space of the lower storage, the upper storage I can't touch the lower latch on the door.

The latch receiving member includes an insertion portion for receiving the lower latch, and an engaging portion which engages the lower latch is provided with the cover body for covering the outer said lower latch, of a conventional front plate In addition to the action of the protective member that covers the inner peripheral edge of the engaging hole, it also has the action of covering the latch.

The latch receiving member is an integrally molded product made of synthetic resin, and one end of the cover body is opened sideways to form an open portion , and the open portion is used as a side plate or a vertical partition member of the housing. By arranging them close to each other, the latch receiving member can be manufactured by integral molding at the minimum cost, and the internal latch is accessed from the open portion inevitably formed by die cutting during resin molding. It becomes difficult to do.

If the inner width of the cover body of the latch receiving member is set so narrow that a finger cannot be inserted, the finger cannot be physically inserted into the cover body, and the latch is surely prevented from being disengaged. it can.

It is an overall perspective view which shows the multi-stage storage furniture which concerns on this invention. It is a front view of the main part in the door open state. It is a cross-sectional plan view of a main part in a door closed state. It is a vertical sectional side view of a main part in a state where a door is closed. It is a partial cross-sectional plan view which shows the relationship between a latch and a latch receiving member. The latch receiving member is shown, (a) is a plan view, (b) is a right side view, (c) is a front view, (d) is a vertical sectional plan view, and (e) is a perspective view.

Next, the present invention will be described in more detail based on the embodiments shown in the accompanying drawings. FIG. 1 shows a multi-stage storage furniture according to the present invention, FIGS. 2 to 6 show details thereof, in which reference numeral A is a multi-stage storage furniture, B is a unit storage, 1 is a housing, and 2 is a vertical partition. A member, 3 is a horizontal partition member, 4 is a storage space, 5 is a door, 6 is a pull tab, 7 is a locking means, 8 is a latch, and 9 is a latch receiving member.

As shown in FIGS. 1 to 4, the multi-stage storage furniture A according to the present invention is made of steel, and the inside of one box-shaped housing 1 is partitioned vertically by at least a horizontal partition member 3 to store a plurality of storage furniture A. Spaces 4, ... Are provided, and a plurality of unit storages B, ... With a structure in which the front opening of each storage space 4 is opened and closed by a door 5 are provided. The housing 1 is a box type having an open front surface including a top plate 10, a bottom plate 11, both side plates 12, 12 and a back plate 13, and in the present embodiment, a top plate 10 is formed at the center of the housing 1. A vertical partition member 2 connected to the bottom plate 11 is provided, and the horizontal partition member 3 is connected between the vertical partition member 2 and the upper and lower intermediate portions of the side plate 12 to form four unit storages B, ... doing.

The door 5 opens and closes the front opening of the storage space 4, and one side end is held by the side plate 12 or the vertical partition member 2 so as to be rotatable and openable by hinges 14 and 14, and a pull tab 6 is further opened and closed. A latch 8 that engages with and disengages from the frame portion of the housing 1 in conjunction with the pull tab 6 and a locking means 7 including a mechanical lock and / or an electric lock are provided. The latch 8 is provided on the upper and lower edges of the door 5 near the free end so as to project toward the back surface, and the puller 6 is provided via a shaft 15 arranged in the vertical direction along the free end edge of the door 5. The engagement holes 16 are provided on the front surface of the upper and lower stiles of the housing 1, and in the present embodiment, on the front surface of the horizontal partition member 3, the top plate 10, and the bottom plate 11, which are tilted in conjunction with the opening and closing operation. It engages with and disengages from the latch receiving member 9 mounted on the door.

A plurality of the multi-stage storage furniture A of the present embodiment can be connected to the left and right, and can be further stacked vertically. In the present embodiment, four unit storages B, ... Are provided in one housing 1, but the number of vertical partition members 2 and horizontal partition members 3 is increased to two or three to increase the number of unit storages B. It may be provided. What is important in the present invention is the lower latch 8 and the lower storage B of the door 5 of the upper storage B on the front frame portion 17 of the common horizontal partition member 3 that separately forms the upper storage B and the lower storage B. The structure is such that the upper latch 8 of the door 5 is engaged with the door 5.

More specifically, as shown in FIGS. 2 to 4, the horizontal partition member 3 has a front stile portion 17 extending downward from the front edge of the horizontal plate 18, and the front stile portion 17 forms the front stile portion 17. In 19, the lower latch 8A of the door 5 of the upper storage B and the engagement holes 16 and 16 in which the upper latch 8B of the door 5 of the lower storage B engages are arranged side by side, and at least the upper storage B of the upper storage B. A latch receiving member 9 having a cover body 20 that covers the latch 8A is attached to the engaging hole 16 with which the lower latch 8B of the door 5 is engaged.

Here, an embodiment is adopted in which the latch receiving member 9 and the cover body 20 are manufactured separately, and the latch receiving member 9 and the cover body 20 are independently attached to the horizontal partition member 3. May be good. Alternatively, with the latch receiving member 9 mounted in the engaging hole 16 or before mounting, the cover body 20 is connected to the latch receiving member 9 from the back side, that is, from the inside of the accommodation space 4 by an appropriate connecting means. It is also possible to connect and integrate. Further, if the cover body 20 is a molded product of synthetic resin, it may be attached to an appropriate place of the horizontal partition member 3, for example, the front plate 19 by an engaging means, and when the cover body 20 is made of sheet metal, it may be attached. , The horizontal partition member 3 may be fixed to an appropriate place, for example, the front plate 19 by welding or the like.

Then, when the locking means 7 is unlocked and a finger is hung on the finger hook portion of the pull tab 6 and pulled toward the front, the shaft 15 rotates, and the latch 8 and the engaging portion 22 of the latch receiving member 9 are brought into contact with each other. The engagement is released and the door 5 can be opened. On the other hand, when the locking means 7 is in the locked state, the shaft 15 does not rotate even if the pull tab 6 is operated in the opening direction.

As shown in FIGS. 2 to 6, the latch receiving member is an integrally molded product made of synthetic resin, and has an insertion portion 21 that receives the latch 8 and an engaging portion 22 that engages the latch 8. A cover body 20 that covers the latch 8 is provided. Further, in the latch receiving member 9, one end of the cover body 20 is opened laterally, and the opened portion 23 is inevitably formed by die cutting at the time of resin molding. Further, the inner width of the cover body 20 of the latch receiving member 9, that is, the vertical dimension of the space accommodating the latch 8 is set narrow so that a finger cannot enter.

The open portion 23 of the latch receiving member 9 is arranged close to the side plate 12 or the vertical partition member 2 of the housing 1, and the end portion of the side plate 12 or the vertical partition member 2 and the open portion 23 of the latch receiving member 9 is arranged. The intervals between the two are narrowed, and it is difficult or impossible to insert a finger between them. As a result, it becomes difficult to access the internal latch 8 from the opening portion 23 that is inevitably formed when the latch receiving member 9 is molded.

As shown in FIG. 1, the storage B of the present embodiment is provided with a shelf board 24 above the storage space 4 to form a small storage space 4A having a small vertical width, and a front opening of the small storage space 4A. A horizontally long slit opening 25 is provided in the door 5 corresponding to the portion so that postcards and envelopes can be inserted even when the door 5 is closed, and the multi-stage storage furniture A of the present embodiment is used as an apartment house or the like. It can be used as a mailbox or a delivery box in Japan.

Further, on the outer peripheral portion of the insertion portion 21 of the latch receiving member 9, a flange portion 26 that contacts the front surface of the front plate 19 of the horizontal partition member 3 on the upper and lower edges, and an end portion on the opening portion 23 side. A groove 27 that receives the edge of the engagement hole 16 and a claw portion 28 that elastically engages the edge of the engagement hole 16 are provided at the opposite end. In order to mount the latch receiving member 9 in the engaging hole 16 of the horizontal partition member 3, the latch receiving member 9 is slanted and inserted from the opening portion 23 side from the front side of the front frame portion 17. After receiving the hole edge of the engagement hole 16 in the groove portion 27, the opposite side is pushed in, and the claw portion 28 is passed while elastically deforming the hole edge of the engagement hole 16 to the back side of the hole edge. It locks elastically.

In the present embodiment, the horizontal partition member 3 has a structure in which the shelf plate portion 29 and the front frame portion 17 are separately manufactured, and both members are connected and integrated. The shelf plate portion 29 is formed by bending the peripheral edge of the horizontal plate 18 downward and further bending the lower end thereof rearward at least at the front edge to form a reinforcing edge 30 having a substantially L-shaped cross section. Then, the front frame portion 17 bends the upper and lower edges of the front plate 19 rearward to form the horizontal portions 31 and 31, bends the rear end of the upper horizontal portion 31 downward, and further rearwardly. The receiving portion 32 having a substantially L-shaped cross section is formed by bending, and the rear end of the lower horizontal portion 31 is bent upward to form the reinforcing portion 33.

Then, the reinforcing edge 30 of the shelf plate portion 29 is fixed to the receiving portion 32 of the front frame portion 17 by spot welding or the like in a joined state. Here, as shown in FIGS. 2 and 3, a notch 34 is formed in the reinforcing edge 30 and the receiving portion 32 so as not to interfere with the tilting operation of the lower latch 8A of the door 5 of the upper storage B. As shown in FIGS. 3 and 6, a recess 35 for receiving the cut edge of the notch 34 is formed in the upper plate portion constituting the cover body 20 of the latch receiving member 9. Here, in a state where the cut edge of the notch 34 is engaged with the recess 35 of the latch receiving member 9, the cut edge of the reinforcing edge 30 is located inside the open portion 23, and the open portion 23 is substantially covered. It is blocking the target. As a result, it is not possible to further insert a finger or an instrument into the inside of the cover body 20.

A Multi-stage storage furniture,
B unit storage,
1 housing,
2 Vertical partition member,
3 Horizontal partition member,
4 storage space,
4A small storage space,
5 doors,
6 puller,
7 Locking means,
8 latch,
8A Upper storage lower latch,
8B Upper latch of lower storage,
9 Latch receiving member,
10 top plate,
11 bottom plate,
12 side plate,
13 Back plate,
14 hinges,
15 shafts,
16 Engagement hole,
17 Front stile,
18 horizontal plate,
19 Front plate,
20 cover body,
21 Insertion part,
21 cover body,
22 Engagement part,
23 Open part,
24 shelves,
25 slit opening,
26 Flange part,
27 groove,
28 claws,
29 Shelf board,
30 Reinforcing edge,
31 horizontal part,
32 receiving part,
33 Reinforcement part,
34 notch,
35 recess.

Claims (5)

In a multi-stage storage furniture in which the inside of one housing is partitioned up and down by at least a horizontal partition member to provide a plurality of storage spaces, and a plurality of unit storage spaces are provided in which the front opening of each storage space is opened and closed by a door. The horizontal partition member has a front stile portion extending downward from the front edge of the horizontal plate, and the front plate forming the front stile portion has a lower latch of the door of the upper storage and a door of the lower storage. engagement holes that the upper latch is engaged is arranged vertically, with the bottom latching of the door of at least the upper storage case is engaged with the engagement hole, wherein the lower latch in the storage space A door opening / closing device for multi-stage storage furniture, characterized in that it is covered by a cover body provided on a horizontal partition member. Among the engaging hole, the engaging hole bottom latching of the door of at least the upper storage case is engaged, it is formed by mounting a latch receiving member having a cover member for covering the outer the lower latch claim The door opening / closing device for the multi-stage storage furniture described in 1. The latch receiving member includes an insertion portion for receiving the lower latch engaging portion which engages the lower latch and the multi-stage according to claim 2, characterized in that a cover member for covering the outer said lower latch Door opening and closing device for storage furniture. The latch receiving member is an integrally molded product made of synthetic resin, and one end of the cover body is opened sideways to form an open portion , and the open portion is used as a side plate or a vertical partition member of the housing. The door opening / closing device for multi-stage storage furniture according to claim 3, which is arranged so as to be close to each other. The door opening / closing device for multi-stage storage furniture according to claim 3 or 4, wherein the inner width of the cover body of the latch receiving member is set narrow so that a finger cannot enter.

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