JP2005113522A - Door structure of casing - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a door structure of a casing having the waterproof function, for making the opening door supported by either side of the left and the right, while narrowing a front area required when opening and closing a door. <P>SOLUTION: This door structure has two wing doors 3a and 3b arranged on the left and right of a front opening part of the casing 1, and a central door 2 of a folding door structure of two doors between these two wing doors. The wing doors 3a and 3b are respectively openably and closably installed on the side surface side of the casing 1 via a hinge. The central door 2 is openably and closably installed by folding in the front direction via groove-shaped rails 6a and 6b arranged in the casing 1. A joining part of the central door 2 and the wing doors 3a and 3b, is provided with a lock mechanism, that is, keys 8a and 8b. A bending part of the central door 2, and the joining part of the central door 2 and the wing doors 3a and 3b, are provided with packing 7a, 7b and 7c. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a door structure of a housing, and more particularly to a door structure of a small housing that accommodates communication equipment inside and is installed outdoors.

  A typical door structure of this type of housing is usually a single door with one door or a double door with two doors. However, in such a door structure, when opening and closing the door, an area corresponding to the width of the door is required in front of the door, so that it may be difficult and inconvenient when installing in a narrow place. .

  As a method for improving this, it is conceivable to use a folding door for the door portion. An example of conventional use of this folding door is shown in FIG. FIG. 7 is a perspective view showing an example of conventional use of a folding door.

This conventional use example is an example in which a folding door is used as a door of a toilet room, and is a folding door 70 in which two door plates 71 and 72 are connected by a hinge. One end of the door plate 72 is pivotally supported by a pin 75 on one side end of the partition wall, and a pin 76 is provided on the other partition wall side of the upper end of the other door plate 71. The pin 76 is slid along the rail when the door is opened and closed by engaging with a groove-like rail on the lower surface of the headboard 73 installed between the walls. (For example, refer to Patent Document 1.)
Furthermore, the usage example of another folding door is shown in FIG. FIG. 8 is a perspective view showing an example of conventional use of another folding door. The storage cabinet 82 is provided with double folding doors, and the two-fold folding doors 82, 83 are pivotally supported at one end on the side plate of the storage cabinet 82, and the handle 83 is opened to both the knobs. is there. (For example, see Patent Document 2.)
JP-A-8-158672 (page 4, FIG. 1) Japanese Patent Laid-Open No. 10-5060 (FIG. 1)

  In the above-described conventional examples, there is an effect that the front area when the door is opened and closed can be narrowed. However, when this folding door is used in a casing targeted by the present invention, there are the following problems.

  The housing targeted by the present invention contains a communication device inside, and the installation environment is extremely poor because it is attached to another communication device housing in a narrow office building or outdoors, which is not good for scaffolding such as on a pillar. It is installed in a place where the work area is limited. When installed in such a place, the door with the folding door structure has the effect that the front area necessary for opening and closing is narrow as described above, but it opens when working with the door fully opened. When checking the inside of the housing on the side that supports the open door, there is a problem that the open door gets in the way.

  Furthermore, when the casing is installed outdoors, the conventional structure has a problem that rainwater or the like enters the casing.

  The purpose of the present invention is to make the door of the housing a folding door structure, narrow the front area when opening and closing, and at the same time, enable the door to be fixed on either the left or right side, and prevent waterproofing when the door is closed The object is to realize a door structure of a housing that can be installed outdoors by providing a member or the like so that the opened door does not get in the way.

  The door structure of the housing of the present invention has two sleeve doors provided on the left and right of the front opening of the housing, and two central doors with a folding door structure between the two sleeve doors. The sleeve doors are attached to the side surfaces of the casing so as to be openable and closable via hinges, and the central door is a groove-like rail provided along the front edges of the upper and lower surfaces of the casing. It is attached so that it can be opened and closed by folding in the front direction through the door, and a lock mechanism for fixing the closed state of the door is provided at each joint portion of the central door and the sleeve door.

  The central door may have a three-fold folding door structure having a single door plate equal to the width of the sleeve door at the center.

  Further, the entire periphery of the front opening of the housing, the bent portion of the central door, and the joint portions of the central door and the sleeve door are waterproof to prevent water from entering the housing. You may make it give a member for use.

  Moreover, the door structure of the housing of the present invention has two front doors with a folding door structure covering the entire front opening of the housing, and the front door has front edges on the upper surface and the lower surface of the housing. The front door is attached to be openable and foldable in the front direction through a groove-shaped rail provided along the front door, and at the same time, one of its left and right ends is fixed and the other end can be opened and closed. When the door is closed, a locking mechanism for fixing the closed state is provided at each joint portion between the left and right end portions of the front door and the side surface portion of the housing.

  Moreover, the door structure of the housing of the present invention has two front doors with a folding door structure covering the entire front opening of the housing, and the front door has front edges on the upper surface and the lower surface of the housing. And a lock mechanism for fixing the closed state to the bent portion of the front door when the front door is closed. .

  In addition, you may make it provide the waterproofing member for preventing the water immersion to the inside of a housing | casing in the whole periphery of the front opening part of the said housing | casing, and the bending part of the said front door.

  Furthermore, the locking mechanism may have a locking function.

  The door structure of the housing of the present invention has the effect of narrowing the front area when opening and closing because the door of the housing is a folding door structure. Furthermore, since the side which supports the door is made possible on either the left or right side, there is an effect that the opened door does not get in the way. Moreover, since the waterproofing member which prevents inundation when the door is closed is provided, there is an effect that it can be installed outdoors.

  Next, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is a perspective view showing a state in which the door is fully opened in the first embodiment of the present invention, and FIG. 2 is a state in which the door in FIG. 1 is (a) half-open and (b) is fully closed. FIG. 3 illustrates the opening / closing operation of the key part in FIG. 1. (A) Closed state, (b) Cross sectional views showing the open state, FIG. 4 shows the central door of FIG. It is each perspective view which shows the state at the time of making it a folding door at the time of (a) full open, (b) half open, and (c) fully closed.

  FIG. 5 is a perspective view showing a state of the door according to the second embodiment of the present invention when it is (a) fully open, (b) half open, and (c) fully closed.

  FIG. 6 is a perspective view showing a state of the door according to the third embodiment of the present invention when it is (a) fully open, (b) half open, and (c) fully closed.

  First, the configuration of the first embodiment of the present invention will be described with reference to FIG. A sleeve door having two sleeve doors 3a and 3b provided on the left and right of the front opening of the housing 1 and a central door 2 having a two-fold door structure between the two sleeve doors. 3a and 3b are attached to the side surface side of the housing 1 through hinges (not shown) so that they can be opened and closed, and the central door 2 is a groove provided along the front edge of each of the upper and lower surfaces of the housing 1. A lock mechanism for fixing the closed state of the door to each joint portion of the central door 2 and the sleeve doors 3a and 3b, that is, a key. 8a and 8b are provided.

  In order to prevent water from entering the inside of the casing, the entire periphery of the front opening of the casing 1, the bent portion of the central door 2, and the joints of the central door 2 and the sleeve doors 3a and 3b are prevented. Waterproof members, that is, packings 7a, 7b, 7c.

  The central door 2 is configured such that two doors are rotatably connected by two hinges 22, and rollers 21 a and 21 b are rotatably attached to both upper and lower ends thereof. The rollers 21a and 21b engage with the rails 6a and 6b on the housing 1 side, and slide along these grooves to open and close the central door 2.

  The internal structure of the key 8b will be described with reference to FIG. A receiving bracket 81b fixed to the back surface of the central door 2, a pull-in metal fitting 82b that is provided on the sleeve door 3b side and engages the receiving metal plate 81b to connect the central door 2 and the sleeve door 3b, and a pull-in metal fitting 82b. It is comprised with the rotating shaft 83b which slides the drawing metal fitting 82b to a horizontal direction by connecting and rotating through a crank.

  The key handle 4 is connected to the head of the rotation shaft 83b, and the door is opened and closed by rotating the rotation shaft. Since the key handle 4 can be easily detached from the rotary shaft 83b when not in use, it has a locking effect. The key 8a has a similar structure.

  Next, the operation will be described with reference to FIG. When the door is opened from the fully closed state shown in FIG. 2B, first, the key handle 4 is inserted into the head of the rotary shaft of the key 8b and rotated by 90 °. Then, since the connection between the central door 2 and the sleeve door 3b is released, the sleeve door 3b is opened first, and then the central door 2 is slid leftward to be in the state shown in FIG. When the central door 2 is further slid leftward, the left door plate of the central door 2 is connected to the sleeve door 2a, so the width of the left door plate is different from that of the right door plate. , 6b is removed (the rails 6a, 6b have a break at this point) and become free, and the state shown in FIG.

  When the door is closed from the state shown in FIG. 1, if the center door 2 is slid to the right while applying a little pushing force forward, the rollers 21a and 21b enter the grooves of the rails 6a and 6b. Is finally brought into a fully closed state as shown in FIG. In this state, the key handle 4 is inserted into the head of the rotary shaft of the key 8b and rotated 90 ° to fix the door. At this time, the force for rotating the key handle 4 is required to be somewhat strong. This is when the key 8b is rotated from the open state in FIG. 3B to the closed state in FIG. 3A. This is a force necessary for the retracting metal fitting 82b to be engaged with the metal fitting 81b and to be strongly retracted. This is for strengthening the contact of each joint between the door provided with the packing and the housing to ensure the waterproof effect. In addition, although the above demonstrated about the case of right opening, it is the same also in the case of left opening.

  Next, with reference to FIG. 4, another embodiment in the case where the central door of the first embodiment of the present invention is changed to a three-door will be described. In this embodiment, the central door shown in FIG. 1 is changed to a central door 5 having a three-fold folding door structure, and the central door 5 is a single door plate equal to the width dimension of the sleeve door 3 at the center. And two door plates of equal width on the left and right sides thereof, and the door plates are connected to each other so as to be rotatable by hinges. Further, groove-like rails 9 a and 9 b are provided along the entire width of the front edge of each of the upper surface and the lower surface of the housing 1. The rest of the configuration is the same as in FIG. Compared to FIG. 1, the structure of the central door is complicated, but the door opening / closing operation is simplified.

  Next, the operation will be described. When the door is opened from the fully closed state shown in FIG. 4C, first, the key handle 4 is inserted into the head of the rotary shaft of the key 8b and rotated by 90 °. Then, since the connection between the central door 5 and the sleeve door 3b is released, when the sleeve door 3b is first opened and then the central door 5 is slid to the left and opened, the state shown in FIG. When the central door 2 is further slid leftward, the left door plate of the central door 5 and the sleeve door 2a are in a connected state, but the width dimension, the right door plate and the central door plate are connected in a straight line. Since the width dimension at that time is equal, the roller slides along the grooves of the rails 9a and 9b as it is, and is in a fully opened state as shown in FIG.

  When closing the door, the central door 5 may be slid rightward as it is, and if the sleeve door 3b is closed, the closed state shown in FIG. In addition, although the above demonstrated about the case of right opening, it is the same also in the case of left opening.

  Next, a second embodiment of the present invention will be described with reference to FIG. Compared with FIG. 1, the present embodiment has a feature that the structure is simple and the operation is simple because there is no sleeve door, but there is a drawback that the waterproof performance is slightly inferior.

  The configuration will be described with reference to FIG. A front door 52 having a double door folding door structure covering the entire front opening of the housing 51 is provided, and the front door 52 is formed in a groove shape provided along the respective front edges of the upper surface and the lower surface of the housing 51. When the front door 52 is closed, the front door 52 can be opened and closed by being folded toward the front via the rails 56a and 56b. Locking mechanisms for fixing the closed state, that is, keys 58a and 58b, are provided at the joints between the left and right ends of 52 and the side surfaces of the casing, that is, the sleeve portions 511a and 511b.

  Further, waterproofing members for preventing rainwater from entering the casing, that is, packings 57a and 57b, are provided on the entire periphery including the sleeve portion of the front opening of the casing 51 and the bent portion of the central door 52. I have.

  Further, the central door 52 is configured such that the two doors are rotatably connected by two hinges 522, and rollers 521a and 521b are respectively attached to the upper and lower ends thereof so as to be rotatable with respect to the end portions. The rollers 521a and 521b engage with the rails 56a and 56b on the housing 1 side, and slide along the grooves to open and close the central door 52.

  The key 58b is provided on the sleeve portion 511b of the housing, and the structure thereof will be described with reference to a partial detailed view of FIG. The key 58b is composed of a hook metal 581b that engages with a pin 523 provided at the tip of the central door 52, and a rotating part 582 that rotates the hook metal 581b by the rotation of the key handle 54 as shown. Yes.

  Next, the operation will be described. When the door is opened from the fully closed state shown in FIG. 5C, first, the key handle 54 is inserted into the head of the rotating portion 582 of the key 58b and rotated 90 °. As shown in the partial detail view of the same drawing, the hooking metal 581b is detached from the pin 523 of the central door 52 as shown by the dotted line, and the central door 52 can slide to the left. At this time, the left key 56a is in the locked state shown in the partial detail view, and is fixed to be rotatable through a pin 523 at the left end of the central door 52. If the right end portion of the central door 52 is slid leftward, the fully opened state of FIG. 5A can be obtained after the passage of FIG.

  When closing the door, the right end of the central door 51 may be slid rightward, and the door can be easily closed. In addition, although the above demonstrated about the case of right opening, it is the same also in the case of left opening.

  Next, a third embodiment of the present invention will be described with reference to FIG. Compared with FIG. 5, the present embodiment has a feature that the structure is simpler and the operation is easier, but the waterproof performance is further inferior.

  The configuration will be described with reference to FIG. The front door 62 has a double door folding door structure that covers the entire front opening of the housing 61, and the front door 62 has groove-like shapes provided along the front edges of the upper surface and the lower surface of the housing 61. A lock mechanism for fixing the closed state, that is, a key 68, is provided at a bent portion at the center of the front door 62 when the front door 62 is closed when the front door 62 is closed. Yes.

  In addition, the entire periphery of the front opening of the housing 61 and the bent portion of the central door 62 are provided with waterproofing members, that is, packings 67a and 67b, for preventing rainwater from entering the housing.

  Further, the central door 62 is configured such that the two doors are rotatably connected by two hinges 622, and rollers 621a and 621b are respectively attached to the upper and lower ends thereof so as to be rotatable with respect to the end portions. The rollers 621a and 621b engage with the rails 66a and 66b on the housing 1 side, and slide along these grooves to open and close the central door 62.

  The key 68 is provided in the bent part of the housing 62, and the structure thereof will be described with reference to a partial detailed view of FIG. The key 68 is fitted in a groove provided on the left door plate of the central door 62 to fix the left and right door plates, and the key 68 is directly connected to the metal plate 681 and rotated to rotate the metal plate 681 by rotating the key handle 64. The central door 62 is opened and closed by the rotation of the key handle 64.

  Next, the operation will be described. When the door is opened from the fully closed state shown in FIG. 6C, first, the key handle 64 is inserted into the head of the rotary shaft 682 of the key 68 and rotated by 90 °. As shown in the partial detail view of the same figure, the stopper 681 is rotated and removed from the groove, and the central door 62 can be opened. If the right end portion of the central door 62 is slid leftward, the fully opened state of FIG. 6A can be obtained after the passage of FIG. If the central door 62 in the fully opened state is slid to the right as it is, it can be moved to the right.

  When closing the door, by pushing in the central part of the central door 61, the door can be opened to the left and right and easily closed.

  It can be used for all small cases.

It is a perspective view which shows the state at the time of fully opening of the door in the 1st Example of this invention. It is a perspective view which shows each state at the time of (a) half open of the door in FIG. 1, and (b) fully closed. It is each sectional drawing which shows the opening / closing operation | movement of the key part in FIG. 1 which shows (a) closed state and (b) open state. It is a perspective view which shows each state at the time of (a) full open, (b) half open, and (c) fully closed of the door when the central door in FIG. It is a perspective view which shows each state at the time of (a) full open, (b) half open, and (c) fully closed of the door in the 2nd Example of this invention. It is a perspective view which shows each state at the time of (a) full open, (b) half open, and (c) fully closed of the door in the 3rd Example of this invention. It is a perspective view which shows a prior art example. It is a perspective view which shows another prior art example.

Explanation of symbols

1, 51, 61 Housing 2 Central door 52, 62 Front door 3a, 3b Sleeve door 4, 54, 64 Key handle 6a, 6b, 56a, 56b, 66a, 66b Rail 7a, 7b, 7c, 57a, 57b, 67a , 67b Packing 8a, 8b, 58a, 58b, 68 Key 9a, 9b Rail

Claims (7)

There are two sleeve doors provided on the left and right of the front opening of the housing, and two central doors with a folding door structure between the two sleeve doors. The central door can be opened and closed via hinges on the side, and the central door can be opened and closed by folding it in the front direction through grooved rails provided along the front edges of the upper and lower surfaces of the housing. A door structure for a housing, which is attached and includes a lock mechanism for fixing a closed state of the door at each joint portion between the central door and the sleeve door. 2. The door structure of a housing according to claim 1, wherein the central door is a three-fold folding door structure having one door plate equal to the width dimension of the sleeve door at a central portion thereof. A waterproofing member for preventing water from entering the inside of the housing at the entire periphery of the front opening of the housing, the bent portion of the central door, and the joint of the central door and the sleeve door. The door structure of the housing according to claim 1 or 2, wherein The front door has two folding door structures that cover the entire front opening of the housing, and the front door passes through groove-shaped rails provided along the front edges of the upper and lower surfaces of the housing. Folded in the front direction and attached so that it can be opened and closed. At the same time, either one of its left and right ends is fixed so that it can be opened and closed from the other end, and when the front door is closed, A door structure for a housing, comprising a locking mechanism for fixing a closed state at each joint portion with a side surface portion of the housing. The front door has two folding door structures that cover the entire front opening of the housing, and the front door passes through groove-shaped rails provided along the front edges of the upper and lower surfaces of the housing. A housing door structure comprising a lock mechanism that is attached to be openable and foldable in a front direction, and that fixes a closed state to a bent portion of the front door when the front door is closed. 6. A housing according to claim 4 or 5, wherein a waterproof member for preventing water from entering the inside of the housing is applied to the entire periphery of the front opening of the housing and the bent portion of the front door. Body door structure. The door structure for a housing according to claim 1, wherein the lock mechanism has a locking function.

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