JPH0740071Y2 - Door structure - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a door structure used for forming a door having excellent airtightness, sound insulation and the like.

[Conventional technology]

Conventionally, as a door structure excellent in airtightness and sound insulation, there has been one in which an airtight packing made of rubber or the like is fixed to a door-stop member provided on the inner circumference of an opening frame. In this structure, by closing the door body, the door body and the airtight packing are brought into close contact with each other to enhance airtightness.

[Problems to be solved by the device]

However, with this structure, if there is a dimensional error between the latch provided on the door body and the latch receiver provided on the opening frame, or if the attachment position of the door body to the opening frame is misaligned, When the main body was closed, the door body and the airtight packing did not sufficiently adhere to each other, and a gap was formed. for that reason,
The airtightness and sound insulation could not be reliably retained.

Therefore, an object of the present invention is to provide a door structure that can reliably maintain airtightness and sound insulation.

[Means for Solving the Problems]

According to the door structure of the present invention, a door contact member is provided along the inner periphery of the opening frame with which the door body abuts. In the door structure provided in the main body, a lock main body provided with a latch formed with a chamfered portion inclined on the side surface, a handle interlocked with the latch, and a trigger projecting by being biased outward by a spring. , A latch receiver into which the latch can be inserted is provided at a substantially central position in the vertical direction on the side of the opening / closing end of the door body, and at a position corresponding to the lock body of the opening frame, a roller is erected inside the latch receiver. And a latch plate to which the latch receiver is fixed, a recess for engaging the trigger is formed, and the latch that protrudes to the inner part of the latch receiver by operating the handle In which the chamfered portion roller in contact by moving the door body to the doorstop member side, characterized in that is in close contact with the airtight packing.

[Action]

According to the configuration of the present invention, by operating the handle with the door body closed, the latch projects to the inner part of the latch receiver, and the side surface of the latch is pressed by the roller provided inside the latch receiver, Since the main body is moved to the door stop member side and brought into close contact with the airtight packing,
It is possible to reliably close the gap between the door body and the airtight packing. At this time, the trigger is locked in the recess without rotating the handle, and the closed state of the door body is maintained.In this state, the chamfered part of the latch easily contacts the roller, and the latch is inserted in the latch receiver. It can be inserted, and at that time, a handle for rotating operation is arranged in the vicinity of the latch receiver, so that the latch can be inserted in the latch receiver accurately in correspondence with each other. Therefore, the airtightness and the sound insulation of the opening can be improved by an easy operation.

〔Example〕

An embodiment of the present invention will be described with reference to FIGS. 1 to 7.

The door body 8 is screwed into the opening frame 9 as shown in FIG.
It is rotatably supported by. A lock body 1 is provided at a substantially central position in the vertical direction on the side of the open / close end of the door body 8. The lock body 1 is provided with a latch 2, a trigger 3, a handle 4 and the like.

The latch 2 is provided on the side end surface of the lock body 1 and is provided with a handle.
14 connected. The latch 2 is housed inside the lock body 1 when the handle 4 is in a horizontal state, and mechanically pops out when the handle 4 is pushed down.
Further, by returning the pushed down handle 4 horizontally, the handle 4 is retracted inside the lock body 1. Door stop member at the tip of the latch 2
The corners on the opposite side of 10 (see FIG. 2) are chamfered in the vertical direction, and when the latch 2 is projected, the chamfered portion 2a contacts the roller 6 provided in the latch receiver 5. When the handle 4 is pushed down further, the latch 2
Further projects to the back of the latch receiver 5. At this time,
The roller 6 abuts from the chamfered portion 2a of the latch 2 to the side surface thereof, thereby moving the door body 8 toward the door-stop member 10 side and bringing the door body 8 into close contact with the airtight packing 11.

The trigger 3 is always urged outward by a spring (not shown) built into the lock body 1 and is in a protruding state. As the door body 8 is closed, the trigger 3 comes into contact with the latch plate 7 and gradually retracts into the lock body 1, is biased in the closed state, and engages with a recess (not shown) formed in the latch plate 7. Stop.

The latch receiver 5 is fixed to the back surface side of the latch plate 7 fixed to the opening frame 9 corresponding to the position of the latch 2. Fixing pieces 5a are provided on the upper and lower ends of the latch receiver 5 in close contact with the back surface of the latch plate 7. The latch receiver 5 is fixed to the opening frame 9 together with the latch plate 7 by a fixing tool (not shown) by using the fixing piece 5a.

A roller 6 made of metal, rubber, plastic, or the like is erected vertically and rotatably near the opening inside the latch receiver 5.

As shown in FIG. 2, an airtight packing 11 made of rubber or the like is fixed to the door-contact surface of the door-contact member 10. The back surface of the door body 8 contacts the airtight packing 11 when the door body 8 is closed, and the door body 8 is brought into close contact with the door body 8 while being pressed.

The operation according to this embodiment will be described. When the door body 8 is open, the trigger 3 is protruding (second
The handle 4 is in a horizontal state, and the latch 2 is housed in the lock body 1 (FIG. 3). When the door body 8 is closed, the trigger 3 is locked in the recess provided in the latch plate 7. When the handle 4 is pushed down a little in this state (Fig. 5), the latch 2 projects and the chamfered portion 2a of the latch 2 contacts the roller 6 inside the latch receiver 5 (Fig. 4). In this state, the door body 8 and the airtight packing 11 are only in contact with each other, but are not in close contact with each other. Handle 4
7 is pushed down further (FIG. 7), the latch 2 further protrudes, and the roller 6 extends along the side surface from the chamfered portion 2a of the latch 2.
Come into contact with. That is, the door body 8 is pressed by the airtight packing 11 side with respect to the fixed roller 6 and moves by the distance A (FIG. 6). As a result, the airtight packing 11 is pressed against the door main body 8 and is brought into close contact with each other.

According to the configuration of this embodiment, by operating the handle 4 with the door body 8 closed, the latch 2 projects to the inner part of the latch receiver 5, and as a result, the side surface of the latch 2 is placed inside the latch receiver 5. Since the door body 8 is pressed by the provided roller 6 and is moved to the airtight packing 11 side to be brought into close contact therewith, the gap between the door body 8 and the airtight packing 11 can be surely closed. At this time, the trigger 3 is locked in the concave portion without rotating the handle 4 and the closed state of the door body 3 is maintained. In this state, the chamfered portion 2a of the latch 2 can easily contact the roller 6. The latch 2 can be inserted into the latch receiver 5, and at that time, the handle 4 which is operated to rotate is arranged in the vicinity of the latch receiver 5 so that the latch 2 can be inserted into the latch receiver 5 in a correct manner without being displaced. be able to. Therefore, the airtightness and the sound insulation of the opening can be improved by an easy operation.

Although the latch 2 is projected by pushing down the handle 4 in the above embodiment, it may be projected by pushing up.

[Effect of device]

According to the door structure of the present invention, by operating the handle with the door body closed, the latch projects to the back of the latch receiver, and the side surface of the latch is pressed by the roller provided inside the latch receiver. Since the door main body is moved to the door-stop member side and brought into close contact with the airtight packing, it is possible to reliably close the gap generated between the door main body and the airtight packing. At this time, the trigger is locked in the recess without rotating the handle, and the closed state of the door body is maintained.In this state, the chamfered part of the latch easily contacts the roller, and the latch is inserted in the latch receiver. It can be inserted, and at that time, a handle for rotating operation is arranged in the vicinity of the latch receiver, so that the latch can be inserted in the latch receiver accurately in correspondence with each other. Therefore, the airtightness and the sound insulation of the opening can be improved by an easy operation.

[Brief description of drawings]

FIG. 1 is a partially exploded perspective view of an essential part of an embodiment of the present invention,
FIGS. 2, 4, and 6 are partial sectional views for explaining the operation according to this embodiment, and FIGS. 3, 5, and 7 show the movement of the handle corresponding to each operation. It is a front view of an opening. 1 ... Lock body, 2 ... Latch, 3 ... Trigger, 4 ...
Handle, 5 ... Latch holder, 6 ... Roller, 7 ... Latch plate, 8 ... Door body, 9 ... Opening frame, 10 ...
Door stop member, 11 ... Airtight packing

Claims (1)

[Scope of utility model registration request] 1. In a door structure in which a door contact member with which the door main body abuts is provided along the inner circumference of the opening frame, and an airtight packing is fixed to the door contact surface of the door contact member, a chamfered portion inclined to the side surface is formed. The lock main body provided with a latch, a handle interlocked with the latch, and a trigger that is urged outward by a spring and protrudes, at a substantially central position in the vertical direction on the opening / closing end side of the door main body. A latch receiver into which the latch can be inserted is provided at a position corresponding to the lock body of the opening frame, a roller is provided upright inside the latch receiver, and the trigger is provided on a latch plate to which the latch receiver is fixed. Is formed, and the roller comes into contact with the chamfered portion of the latch that protrudes to the inner portion of the latch receiver by the operation of the handle so that the door main body moves the door contact member. Door structure, characterized in that is brought into close contact with the airtight packing is moved.