JP3620428B2 - Opening and closing structure of the housing - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a casing opening and closing structure that includes a main body and a door that opens and closes the opening of the main body, and requires high sealing properties and measures for preventing destruction.
[0002]
[Prior art]
For example, in an open / close structure of a vault door provided in a vending machine or the like, a so-called inner hinge type in which a hinge portion of the open / close portion is provided inside the door in order to destroy the door and prevent the safe from being stolen. The opening and closing structure by is adopted. As this type of opening and closing structure by the inner hinge type, the rotation axis is one axis and the axis is fixed, and the rotation axis is two axes, one axis is fixed and the other axis is movable There was a structure one.
[0003]
[Problems to be solved by the invention]
However, in the former case of the conventional opening and closing structure of the housing, there is a problem that fitting adjustment between the door and the opening of the main body is difficult and skill is required. In the latter case, there is a problem that not only the structure becomes complicated but also the number of parts increases, so that the manufacturing cost increases.
[0004]
The present invention has been made in view of the above-described conventional problems, and an object of the present invention is to provide a casing opening and closing structure in which the structure is simplified, the number of parts is reduced, and the manufacturing cost is reduced.
[0005]
[Means for Solving the Problems]
In order to achieve this object, the invention according to claim 1 is characterized in that a main body formed in a box shape and opened on one side, a door formed in an openable / closable box shape covering the opening of the main body, and the door In the opening / closing structure of the housing provided with a locking device for locking the main body, a support shaft is provided on one side of the door, and both end portions of the support shaft are pivotally supported on the main body side and extend in the front-rear direction. A guide groove comprising a guide part and a second guide part extending in the left-right direction is provided, and the door is opened and closed by positioning the support shaft at one end of the first guide part of the guide groove . By positioning the support shaft at one end of the two guide portions, the door can be locked to the main body by the locking device.
Therefore, by positioning the support shaft at two positions on both ends of the guide groove, the door can be locked and the door can be opened and closed.
[0006]
According to a second aspect of the present invention, in the first aspect of the present invention, the door and the housing are provided with engaging means that engages when the support shaft is positioned at one end of the second guide portion . Is.
Therefore, in addition to locking by the locking device, sealing by engagement means is also performed.
[0007]
The invention according to claim 3 is the invention according to claim 1 or 2, wherein the support shaft is divided into a plurality of pieces, and guide grooves are provided to pivotally support both end portions of the plurality of support shafts. is there.
Therefore, during the door opening / closing operation, the amount of bending of the support shaft guided in the guide groove is reduced.
[0008]
According to a fourth aspect of the present invention, in the first or second aspect of the present invention, the main body is provided with a locking member that moves in the front-rear direction in conjunction with the locking operation of the locking device, and the support shaft is disposed in the first direction . An engaged portion that engages with the lock member by being positioned at one end of the two guide portions is provided on the door.
Therefore, when the door of the main body is closed and the door is locked, the movement of the door in the guide groove is restricted by the engagement between the lock member and the engaged portion.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing a state in which a door is opened in an opening / closing structure of a housing according to the present invention. 2 is a front view showing a state in which the door is similarly opened, and FIG. 3 is a sectional view taken along line III-III in FIG. 4 is a plan view showing a state where the door is opened, and FIG. 5 is a plan view showing a state where the door is closed and the rotation of the door is finished. FIG. 6 is also a plan view showing a state in which the movement of the door in the front-rear direction is finished. FIG. 7 is a plan view showing a state in which the movement of the door in the left-right direction is completed and the opening of the housing body is closed by the door.
[0010]
As shown in FIG. 1, the housing denoted as a whole by reference numeral 1 is generally constituted by a housing body 2 made of metal and a door 3 that can open and close an opening 5 of the housing body 2. The housing body 2 is formed in a substantially box shape, and the front surface side of the housing body 2 is formed by a protruding portion 4 provided on the right end side in the figure and an opening 5 having a flat rectangular parallelepiped shape adjacent to the protruding portion 4. ing. Accordingly, the upper plate 6 and the bottom plate 7 of the housing body 2 are both formed in an inverted L shape in plan view, and a lock 9 is attached to the side plate 8 formed integrally with the left ends of the upper plate 6 and the bottom plate 7. As shown in FIG. 3, a lock plate 11 is fixed to the rotating shaft 10 of the lock 9, and an arc-shaped recess 12 is provided at the upper end of the lock plate 11.
[0011]
On the inner surfaces of the upper plate 6 and the bottom plate 7, upper and lower rims 15, 15 formed of a plate-like metal extending in the left-right direction protrude forward from the front ends of the upper plate 6 and the bottom plate 7. So that it is fixed. A U-shaped engagement groove 17 having an opening 17a at a part of the front end is provided at the front end portion of the substantially center of the edge brackets 15 and 15, respectively. Bearing portions 19 and 19 formed in a stepped shape toward the lower side and the upper side are provided. As shown in FIG. 5, the bearing portions 19, 19 include a first guide portion 21 a extending in the front-rear direction (the arrow AB direction in the drawing) and the left-right direction (the arrow CD direction in the drawing). Inverted L-shaped guide grooves 21 and 21 (one guide groove 21 not shown) are provided.
[0012]
Furthermore, the left ends of the rims 15 and 15 are bent downward and upward, respectively, and bent portions 24 and 24 are provided, and these bent portions 24 and 24 are fixed to the inside of the side plate 8 of the housing body 2. ing. The upper and lower end portions of these bent portions 24, 24 are formed in a stepped shape toward the inside of the housing body 2 in a front view, and guide portions 24a that support a lock plate 26, which will be described later, movably in the direction of arrows AB. , 24a. That is, as shown in FIG. 3, the lock plate 26 is formed in a square shape by a flat plate, and a guide plate 27 having a dimension in the vertical direction larger than that of the lock plate 26 is overlapped with the lock plate 26. It is fixed.
[0013]
At the center of the rear end of the lock plate 26, an arm portion 28 projects in the direction of arrow B, and at the rear end portion of the arm portion 28, a pin 29 that engages with the concave portion 12 of the lock plate 11 is implanted. Has been. The upper and lower end portions of the guide plate 27 are engaged between the guide portions 24a and 24a of the bent portions 24 and 24 and the side plate 8 of the housing body 2, and the upper and lower ends of the lock plate 26 are located above and below the guide portions 24a and 24a. By being sandwiched between the ends, the lock plate 26 is supported by the guide portions 24a and 24a so as to be movable in the arrow AB direction. By moving the lock plate 26 in the direction of arrow A, the front end portion of the lock plate 26 is configured to protrude forward from the opening 5 of the housing body 2.
[0014]
As shown in FIGS. 1 and 2, the door 3 has a housing main body that is open at the rear end side and the other side by a top plate 31, a bottom plate 32, a front plate 33, and a side plate 34 provided on one side. It is formed in a box shape having substantially the same size as the two opening portions 5. A hinge plate 36 is fixed to the side plate 34 of the door 3 so as to be substantially parallel to the side plate 34, and the left end side of the hinge plate 36 projects from the opening of the door 3. Are integrally formed with cylindrical shaft support portions 37, 37. A shaft 38 is rotatably supported by the shaft support portions 37 and 37, and both end portions of the shaft 38 are engaged with the guide grooves 21 and 21 of the upper and lower bearing portions 19 and 19 of the housing body 2 described above. By restricting the vertical movement of the shaft 38 by an E-ring (not shown), the door 3 is supported to be movable and rotatable with respect to the housing body 2 via the shaft 38.
[0015]
That is, as shown in FIG. 5, when the shaft 38 is positioned at the lower end of the first guide portion 21 a of the guide groove 21, that is, at one end of the guide groove 21, the door 3 is detached from the opening portion 5 of the housing body 2. Since the door 3 is positioned, the door 3 is positioned so that the right end portion of the door 3 does not contact the protruding portion 4 of the housing body 2 even if the door 3 is rotated about the shaft 38. Therefore, since the door 3 is in a rotatable state, the opening of the housing body 2 is rotated as shown in FIG. 5 is released. At this time, the shaft 38 is positioned at the lower end of the first guide portion 21a, and the shaft support portion 37 of the hinge plate 36 protrudes from the opening of the door 3, so that the front side of the opening portion 5 of the housing body 2 is It becomes possible to open greatly.
[0016]
When the door 3 is moved in the arrow B direction from the state of FIG. 5, the shaft 38 is guided by the first guide portion 21a, and when the door 3 is positioned at the upper end of the first guide portion 21a as shown in FIG. 3, the rear end 31a of the top plate 31 and the rear end 32a of the bottom plate 32 (the bottom plate 32 side is not shown) are the front end 6a of the top plate 6 and the front end 7a of the bottom plate 7 (the bottom plate 7 side is not shown). )). Furthermore, when the door 3 is moved in the direction of arrow D in the figure, the shaft 38 is guided to the second guide portion 21b. Therefore, as shown in FIG. 7, when positioned at the right end of the second guide portion 21b, that is, the other end of the guide groove 21, the right end 31b of the upper plate 31 of the door 3 and the right end 32b of the bottom plate 32 (the bottom plate 32 side is (Not shown) comes into contact with the upper plate 6 and the projecting ends 6b and 7b of the bottom plate 7 (the bottom plate 7 side is not shown).
[0017]
1, 2, and 4, two pairs of rims 41, 42 are fixed to the inner surfaces of the upper plate 31 and the bottom plate 32 of the door 3. Protrusions 43, 43 that engage with the upper and lower engaging grooves 17, 17 of the housing body 2 described above and form engaging means with the engaging groove 17 are provided. That is, as described above, when the state shown in FIG. 6 is established, the protrusion 43 is engaged into the engagement groove 17 from the opening 17a of the engagement groove 17, and when this state is changed to the state shown in FIG. Since it engages with the groove 17, the movement of the door 3 in the direction of arrow A is prevented.
[0018]
Thus, by providing the engagement groove 17 and the projection 43 as the engagement means and preventing the door 3 from moving in the arrow A direction, as will be described later, the lock plate 26 and the bracket 45 are engaged. The door 3 can be locked more reliably.
[0019]
As shown in FIG. 6, right and left ends 42a and 42a of the upper and lower rims 42 and 42 protrude from the upper plate 31 of the door 3 and the right ends 31b and 32b of the bottom plate 32 (the bottom plate 32 side is not shown). Yes. Accordingly, when the state shown in FIG. 6 is changed to the state shown in FIG. 7, the right end 31 b of the upper plate 31 of the door 3 and the protruding end 6 b of the upper plate 6 of the housing body 2 come into contact with each other. It overlaps with the upper plate 6. For this reason, even if it is going to pry a driver etc. into the housing 1 from the projecting end 6b and the right end 31b which contacted each other, it is regulated by the end portion 42a overlapping with the upper plate 6, so that the sealing performance of the housing 1 is ensured. At the same time, it is also effective in measures for preventing the destruction of the housing 1. Further, by providing the hinge plate 36 inside the door 3 and providing the bearing portion 19 inside the housing body 2, as shown in FIG. 7, by closing the opening 5 of the housing 2 by the door 3, The hinge plate 36 is a so-called inner hinge that is positioned inside the housing 1. Therefore, it is difficult to destroy the hinge plate 36 and the like from the outside, which is effective for crime prevention.
[0020]
2 and 7, 45 is a bracket as an engaged member with which the above-described lock plate 26 is engaged, and in a state where the opening of the housing body 2 is closed by the door 3 as shown in FIG. When the lock plate 26 moves in the arrow A direction, the front end of the lock plate 26 engages with the bracket 45. Therefore, even if the door 3 is moved in the arrow C direction in this state, it is blocked by the engagement between the lock plate 26 and the bracket 45, so that the door 3 is locked. Thus, by locking the door 3 by engaging the lock plate 26 and the bracket 45, the structure is simplified, the number of parts is reduced, and the manufacturing cost is also reduced.
[0021]
In order to open the door 3 from this state, as shown in FIG. 3, the lock plate 11 is also rotated in the clockwise direction by rotating the rotation shaft 10 of the lock 9 in the clockwise direction in the figure. The lock plate 26 moves in the direction of arrow B through the pin 29 engaged with the recess 12. In FIG. 7, since the engagement between the lock plate 26 and the bracket 45 is released, the door 3 is moved in the direction of arrow C, and the shaft 38 is positioned at the left end of the second guide portion 21b as shown in FIG. Then, the end portion 42 a of the rim 42 of the door 3 is separated from the protruding end 6 b of the upper plate 6 of the housing body 2.
[0022]
Therefore, when the door 3 is moved in the direction of arrow A, as shown in FIG. 5, the shaft 38 is positioned at the lower end of the first guide portion 21a, and the door 3 is disengaged from the opening 5 of the housing body 2. By rotating the door 3 clockwise about the rotation center 38, the opening 5 is opened as shown in FIG.
[0023]
As described above, since the door 3 is opened and closed by the single shaft 38 and the guide groove 21 provided in the bearing portion 19, the structure is simplified and the number of parts is reduced and the manufacturing cost is reduced. Is also reduced.
[0024]
The shaft 38 may be divided into two parts, for example, the length of only the portion corresponding to the shaft support portion 37. In this case, when the door 3 is opened and closed, the divided short shaft 38 is bent. Since the amount is small, the shaft 3 is not rubbed in the guide groove 21, so that the door 3 can be opened and closed smoothly.
[0025]
【The invention's effect】
As described above, according to the first aspect of the invention, the structure is simplified, the number of parts is reduced, and the manufacturing cost is also reduced.
[0026]
Moreover, according to the invention which concerns on Claim 2, a locked state becomes reliable.
[0027]
Moreover, according to the invention which concerns on Claim 3, opening and closing of a door can be performed smoothly.
[0028]
According to the invention of claim 4, the structure is simplified, the number of parts is reduced, and the manufacturing cost is also reduced.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a state in which a door is opened in a casing opening and closing structure according to the present invention.
FIG. 2 is a front view showing a state in which the door is opened in the opening and closing structure of the housing according to the present invention.
3 is a cross-sectional view taken along line III-III in FIG.
FIG. 4 is a plan view showing a state in which the door is opened in the opening and closing structure of the housing according to the present invention.
FIG. 5 is a plan view showing a state in which the door starts to close and the rotation of the door is completed in the case opening / closing structure according to the present invention;
FIG. 6 is a plan view showing a state in which the movement of the door in the front-rear direction is completed in the opening / closing structure of the housing according to the present invention.
FIG. 7 is a plan view showing a state in which the movement of the door in the left-right direction is completed and the opening of the housing body is closed by the door in the opening and closing structure of the housing according to the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Housing, 2 ... Housing main body, 3 ... Door, 5 ... Opening part, 9 ... Lock, 17 ... Engagement groove, 19 ... Bearing part, 21 ... Guide groove, 21a ... 1st guide part, 21b ... 2nd 26 ... Lock plate, 36 ... Hinge plate, 37 ... Shaft support, 38 ... Shaft, 43 ... Projection.

Claims (4)

In a box opening / closing structure comprising a box-shaped main body that is open on one side, a door formed in an openable / closable box shape that covers the opening of the main body, and a locking device that locks the door to the main body. A support shaft is provided on one side of the door, and both ends of the support shaft are pivotally supported on the main body side. The first guide portion extends in the front-rear direction and the second guide portion extends in the left-right direction. The door is opened and closed by positioning the support shaft at one end of the first guide portion of the guide groove , and the lock shaft by positioning the support shaft at one end of the second guide portion. A structure for opening and closing a casing, wherein the door can be locked to the main body by a device. 2. The casing opening and closing structure according to claim 1, wherein the door and the casing are provided with engaging means for engaging when the support shaft is positioned on one end side of the second guide portion . Opening and closing structure. 3. A casing opening / closing structure according to claim 1, wherein said supporting shaft is divided into a plurality of pieces, and guide grooves for pivotally supporting both ends of the plurality of supporting shafts are provided. . 3. The opening / closing structure of the housing according to claim 1 or 2, wherein a locking member that moves in the front-rear direction in conjunction with a locking operation of the locking device is provided in the main body, and the support shaft is provided at one end of the second guide portion. An opening / closing structure for a casing, wherein the door is provided with an engaged portion that engages with the lock member by positioning.

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