JPH0635577U - Door device - Google Patents

Abstract

(57) [Summary] [Structure] The frame member 22 is assembled into a rectangular shape to form a frame body 23. A peripheral edge of the skin body 24a is bent in a U-shaped cross section so as to enclose the side surface portion of the frame body 23 and is formed into a box shape having an opening 25 on one side. The box-shaped skin body 24b is attached to the groove portion 31 of the frame member 22 at its peripheral edge so that the opening 25 is closed and a part of one surface of the frame body 23 is exposed. The door body 1 is formed in a thick plate shape having a convex cross-section, protruding outward in the circumferential direction from the peripheral edge of the skin body 24b attached to the frame body 23. An engaging projection 38 of a flexible airtight body 36 is engaged with a locking recess 34 formed in parallel with the groove 31 along the longitudinal direction of the exposed frame 23. [Effect] It is possible to improve the workability of attachment and detachment without requiring a separate mounting means, reduce the cost by reducing the number of parts, and prevent damage by the mounting means.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a door device provided with an airtight body that hermetically closes an airtight chamber at the periphery of a door body.

[0002]

[Prior art]

 Conventionally, as a door device of this type, for example, a structure shown in FIG. 5, that is, a door body 43 in which an inlet 42 opened to a greenhouse 41 set to a predetermined temperature is attached by a hinge (not shown) so as to be openable and closable. There is known a configuration in which the airtight is closed.

In the door device shown in FIG. 5, the door body 43 is formed by assembling a frame body 46 in a shape that forms a rectangular peripheral edge with a rectangular parallelepiped, for example, wood 45, and a flat steel plate 48a is framed in the frame body 46. Attach the body 46 so as to wrap it with screws (not shown). Then, the heat insulating material 51 is filled, the heat insulating material 51 is sandwiched between the other flat plate-shaped steel plates 48b, and the peripheral edge of the steel plate 48b is joined to the peripheral edge of the steel plate 48a enclosing the frame body 46 with screws or the like not shown. Then, the door body 43 is formed into a thick plate. Further, a rectangular mounting piece portion 56 protruding in series from the close contact portion 55 of the airtight body 54 having a hemispherical cross section is provided on the peripheral edge of the one side of the door body 43, and is screwed to the frame body 46 via the steel plates 48a and 48b. The airtight body 54 is stopped and attached along the peripheral edge of the door body 43. Then, the door 43 is hingedly attached to the inlet 42 of the greenhouse 41 so that the close contact portion 55 of the airtight body 54 adheres to the peripheral portion of the inlet 42 to hermetically close the greenhouse 41. The composition is adopted.

[0004]

[Problems to be solved by the device]

 However, in the door device having the above configuration, when the airtight body 54 is attached to the door body 43, since the screws 52 are fixed to the frame body 46 via the steel plates 48a and 48b that join the attachment piece portions 56 of the airtight body 54, the attachment is performed. There is a problem that the work becomes complicated and that the mounting piece portion 56 may be torn especially from the screw 52 fixing portion due to aging.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a door device that improves the workability of installation and is less likely to damage the airtight body and easy to replace.

[0006]

[Means for Solving the Problems]

 The door device of the present invention includes a door body that is formed into a plate shape with a skin member attached to a frame body, and that opens and closes the opening of the airtight chamber, and the periphery of the door body contacts the periphery of the opening of the airtight chamber. In a door device provided with an airtight body that maintains airtightness, the airtight body has an engaging portion, and the frame body is a skin body locking member into which an edge formed on a peripheral edge of the skin body is inserted. And an airtight body engaging portion for engaging the engaging portion of the airtight body along the longitudinal direction, and the airtight body engaging portion of the frame body is exposed along the longitudinal direction to expose the skin body. The rim is formed by inserting the edge into the skin-body engaging portion of the frame body and engaging the exposed portion of the air-tight body with the engaging portion of the air-tight body.

[0007]

[Action]

 The door device of the present invention comprises a door body which is attached to the entrance of the airtight chamber so as to be openable and closable so that the airtight body locking portion of the frame body is exposed along the longitudinal direction to the skin body locking portion of the frame body. The edge of the airtight body is inserted, and the airtight body is attached so that the airtight chamber is airtight by locking the engaging portion of the airtight body to the airtight body locking portion exposed on the frame body. The door can be easily formed without the need to attach it, and the airtight body can be used for a long time without being damaged, and the airtight body can be easily replaced.

[0008]

【Example】

 An embodiment of the door device of the present invention will be described below with reference to the drawings.

In FIG. 2, reference numeral 1 is a door body, and the door body 1 is, for example, a floor surface 5 on a wall that divides a greenhouse 2 as an airtight chamber which is set to a predetermined temperature by a temperature adjusting device (not shown). It is attached so as to hermetically close the inlet 6 which is formed from the opening and through which a heat-retained object (not shown) is put in and taken out.

A decorative frame 8 is attached to the periphery of the entrance 6 of the wall 4 of the greenhouse 2 with screws 9. One of the two decorative frames 8 of which the longitudinal direction is along the vertical direction is provided on both sides, and one end side of two hinges 11 and 11 is attached to the one decorative frame 8 near both upper and lower ends with a screw 12. . Further, the door body 1 is fixed to the other end of the hinges 11 and 11 with a screw 12 for opening and closing the entrance 6 of the greenhouse 2.

Further, a mounting bracket 14 is mounted with a screw 15 at approximately the center of the vertical decorative frame 8 on the side where the hinges 11, 11 are not mounted. Further, the door 1 is provided with a handle 18 having a shaft (not shown) attached to one end thereof and the other end thereof being rotatably fixed with a screw 19. Further, the handle portion 18 has a claw portion 17 formed at a position corresponding to the mounting member 14 that advances and retracts in conjunction with the handle portion 18 when the handle portion 18 rotates about the axis of the handle portion 18.

Then, the claw portion 17 of the handle portion 18 is locked to the fitting 14 so that the door 1 closes the inlet 6 of the heat retaining chamber 2. Further, the floor surface 5 of the entrance 6 is formed with a step portion 20 so as to be slightly higher, as shown in FIG.

On the other hand, in the door body 1, as shown in FIG. 1, a rectangular parallelepiped frame member 22 made of synthetic resin or the like is assembled into a rectangular frame shape to form a frame body 23. Then, a skin-like body 24a made of a flat plate, such as a steel plate, is bent on the frame body 23 in a U-shaped cross section so as to wrap the side surface portion of the frame body 23, and one surface is formed on the inner peripheral edge of the frame body 23. It is attached with screws (not shown) or the like so as to form a flat plate box having an opening 25.

Further, on the side of the opening 25, a peripheral body is folded back and a peripheral edge is bent substantially perpendicularly in a U-shaped cross section, and a skin-like body located inside is formed in a box shape having a diameter smaller than the outer diameter of the frame body 23. The peripheral edge is attached to the frame body 23 such that the opening 24b closes the opening 25 and exposes a part of one surface of the frame body 23.

In the door body 1, a part of the frame body 23 contained in the skin body 24 a is a flange outward from the peripheral edge of the skin body 24 b attached to the frame body 23 in the circumferential direction. In the shape of a thick plate with a convex cross section. Then, a heat insulating material 27 such as foamed urethane is injected and filled in the door 1.

On the other hand, as shown in FIGS. 1 and 4, the frame member 22 constituting the frame body 23 is formed in the hollow by, for example, extrusion molding, and the inside of the hollow extends along the longitudinal direction in the thickness direction. The reinforcing wall portion 29 is formed. Further, the frame member 22 is formed in a flat shape on the side where the skin body 24a is located, and on the side to which the skin body 24b is attached, a groove portion 31 as a skin body engaging portion is formed substantially in the center along the longitudinal direction. Has been done. Further, an opening 33 is formed in the direction of the opening 32 of the groove 31 along both sides of the groove 31 in the longitudinal direction, and a locking concave portion 34 as a tapered hermetic body locking portion is formed so as to converge toward the peripheral edge of the opening 33. Has been formed. Then, the peripheral edge of the skin body 24b is inserted into the groove 31 so that the locking recess is exposed, and the skin body 24b is fixed.

Further, 36 is an airtight body, and this airtight body 36 is formed of a flexible synthetic resin or the like as shown in FIGS. 1 and 3, and the frame body 23 of the door body 1 is exposed. A band-shaped joint portion 37 is formed in surface contact with the side. Then, one surface side of the joint portion 37 is engaged with a locking concave portion 34 of the frame member 22 which projects in a substantially isosceles trapezoidal cross-section so as to widen toward the tip substantially in the center along the longitudinal direction. An engaging protrusion 38 as an engaging portion is integrally formed. Further, on the other surface side of the joint portion 37, a contact portion 39 that is curved and protrudes in an arc shape in cross section is integrally formed.

As shown in FIG. 1, the airtight body 36 is engaged so that the contact portion 39 of the airtight body 36 protrudes outward on the side where the frame body 23 of the door body 1 is exposed. The engaging projection 38 is engaged with the engaging recess 34 of the frame member 22, and is attached along the peripheral edge of the door body so as to cover the exposed frame 23.

Next, the operation of the above embodiment will be described.

First, regarding the operation of opening the door body 1, the handle portion 18 attached to the door body 1 and rotatably supported by the shaft at one end is pulled toward the center around the shaft. At this time, the claw portion 17 of the handle portion 18 is retracted to the handle portion 18 side in conjunction with the rotation of the handle portion 18, and the locking by the mounting bracket 14 attached to the decorative frame 8 of the heat retaining chamber 2 is released. . Further, the handle 18 is pulled toward the front, the door 1 is rotated around the hinge 11, and the entrance 6 of the greenhouse 2 is opened.

Next, regarding the operation of closing the door body 1, the handle portion 18 is grasped and pushed and rotated about the hinge 11 as an axis. Then, the claw portion 17 of the handle portion 18 abuts on the mounting bracket 14 of the decorative frame 8 of the greenhouse 2 and is further pushed to lock the claw portion 17. At the time of this locking, the close contact portion 39 of the airtight body 36 attached to the brim portion of the door body 1 abuts on the front surface of the decorative frame 8 and the step portion 20 of the floor surface 5, and as shown in FIG. It adheres while elastically deforming.

Next, the operation of the above embodiment will be described.

The peripheral edge of the skin member 24b is inserted into the groove portion 31 of the frame member 22 which is included in the skin members 24a and 24b and constitutes a part of the frame member 23 that is partially exposed to expose the frame member 22 by the locking recess 34. Since the engaging protrusion 38 of the airtight body 36 is engaged with the airtight body 36 to attach the airtight body 36 so that the greenhouse 2 becomes airtight, it is not necessary to attach the airtight body 36 using a separate mounting means such as a screw. It can be easily attached to the door body 1, the workability of attachment can be improved, and the cost can be reduced by reducing the number of parts. Further, since it is not necessary to attach the airtight body 36 by a separate screw or the like attachment means, damage by the attachment means can be prevented and the airtightness can be maintained for a long period of time. Further, the airtight body 36 can be easily replaced by simply engaging the engaging projection 38 of the airtight body 36 with the locking recess 34 of the frame member 22.

In the above embodiment, the frame member 22 is formed with a locking recess 34 having a concave cross section, and the airtight body 36 is formed with an engaging projection 38 having a convex cross section as an engaging part. However, as described above, it is also possible to form a convex engaging protrusion as an engaging portion in the frame member 23 and form a concave engaging concave portion in the airtight body.

[0025]

[Effect of device]

 According to the door device of the present invention, the door body is attached to the entrance of the airtight chamber so as to be openable and closable so that the airtight body locking portion of the frame body is exposed along the longitudinal direction at the skin body locking portion of the frame body. As the edge of the skin is inserted and the airtight body is attached so that the airtight chamber is airtight by locking the airtight body engagement part to the exposed airtight body locking part of the frame body, separate the airtight body. It can be easily attached to the door without the need to attach it by using the attachment means, can be used while maintaining the airtightness for a long time without damaging the airtight body, and the airtight body can be easily replaced.

[Brief description of drawings]

FIG. 1 is a partially enlarged cross-sectional view for explaining an airtightly adhered state of a door body that closes a greenhouse according to an embodiment of the door device of the present invention.

FIG. 2 is a front view showing a state in which the above greenhouse is closed.

FIG. 3 is a longitudinal sectional view of the above airtight body.

FIG. 4 is a longitudinal sectional view of the upper frame member.

FIG. 5 is a partially enlarged cross-sectional view illustrating a contact state of an airtight body of a door body that closes a greenhouse according to an embodiment of a conventional door body.

[Explanation of symbols]

 1 Door 2 Greenhouse 6 as airtight chamber 6 Entrance 23 which is an opening 23 Frames 24a, 24b Skin 31 Groove as a skin locking part 34 Locking recess as a airtight locking part 36 Airtight 38 Engaging part Engagement protrusion as

Claims (1)

[Scope of utility model registration request] 1. A door body formed by attaching a skin member to a frame body to form a plate and closing the opening of the airtight chamber so that the opening of the airtight chamber can be opened and closed. In the door device provided with an airtight body that holds the airtight body, the airtight body has an engaging portion, and the frame body is a skin body locking portion into which an edge formed on a peripheral edge of the skin body is inserted, and The airtight body locking portions that lock the engagement portions of the airtight body are provided along the longitudinal direction, respectively, and the airtight body locking portion of the frame body is exposed along the longitudinal direction to expose the edge of the epidermis. A door device, characterized in that the door device is formed by being inserted into the skin-body engaging portion of the frame body and engaging the exposed air-tight body engaging portion with the air-tight body engaging portion.