JP2005353848A - Outdoor installation frame - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To fix a spacer on a frame at low cost highly accurately without specified facilities. <P>SOLUTION: The frame comprises a metal frame having a plurality of rising protrusions formed by machining, a C-shaped metal spacer having two side plates rising in the same direction at both sides of a top board having an opening and two notches cut into each side plate in mutually parting directions from the lower end to the top board, and a protective plate disposed on the outside of the frame. The rising protrusions are fitted from the top ends into the two notches of each side plate in a pressed and expanded condition to fix the space to the frame. The protective plate is disposed on the spacer and locked by screwing screws into holes of the spacer from outside. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an outdoor installation type housing provided with a protective plate on the outside.

Conventionally, as an outdoor installation type housing, a structure in which the housing is covered with a solar shading body is known (for example, see Patent Document 1). Here, for example, an electronic device such as a communication device is accommodated in the housing.
An example of this will be described with reference to FIGS.
FIG. 6 shows an example in which the spacer 2 having the welding tongues 2 a and 2 a is fixed to the housing 1 by welding, and the solar radiation shielding plate 4 is fixed with screws 5 through the spacer 2. The spacer 2 has a screw hole 3 machined in the top plate.

FIG. 7 shows a structure in which the spacer 2A not provided with the welding tongue pieces 2a and 2a in FIG. 6 is fixed to the casing 1 by welding, and the solar radiation shielding plate 4 is fixed with screws 5 through the spacer 2A. The spacer 2A has a screw hole 3a formed on the top plate.
FIG. 8 shows a structure in which the spacer 2B provided with the screwing tongues 2b and 2b is fixed to the housing 1 with the screw 6 and the solar shading plate 4 is fixed with the screw 5 through the spacer 2B. The spacer 2B has a screw hole 3b formed on the top plate.

FIG. 9 shows a structure in which a spacer 2C provided with rivet tongues 2c, 2c is fixed to a housing 1 with a rivet 7, and a solar radiation shielding plate 4 is fixed with a screw 5 through the spacer 2C. In the spacer 2C, a screw hole 3c is formed in the top plate.
FIG. 10 shows a case where the press-fit spacer 2D is fixed to the housing 1 by press-fitting, and the solar radiation shielding plate 4 is fixed with screws 5 through the press-fit spacer 2D. The press-fit spacer 2D has a threaded hole 3d.

According to these prior arts, the spacers 2, 2A, 2B, 2C, 2D can be attached to the solar shading plate 4 at a distance of several tens of millimeters from the housing 1, and the solar shading plate 4 can suppress the internal temperature rise. It becomes.
JP-A-11-220280

However, when the spacers 2 and 2A are fixed to the casing 1 by welding shown in FIGS. 6 and 7, the spacers 2 and 2A are fixed to the casing 1 by welding. The plate is distorted, and the positional accuracy of the screw holes 3 and 3a of the spacers 2 and 2A is difficult to be obtained. Therefore, there is a problem that it is difficult to reliably attach the solar shading plate 4.
Further, when the spacer 2B is fixed by screwing as shown in FIG. 8, there is a problem in that the number of work steps is increased and the cost is increased because a screw fixing work is required.

Further, in the case where the spacer 2C is fixed to the rivet stopper shown in FIG. 9, there are problems that the rivet is expensive and a rivet facility is required, resulting in an increase in cost.
Further, when the press-fit spacer 2D shown in FIG. 10 is used, there is a problem that the press-fit spacer 2D is a machined product, so that it is expensive and the cost is increased.
The present invention has been made to solve such a conventional problem, and an object of the present invention is to provide an outdoor installation type housing capable of fixing a spacer on the housing with high accuracy. .

  Another object of the present invention is to provide an outdoor installation type housing which can fix a spacer at a low cost without requiring special equipment.

  According to the first aspect of the present invention, a metal housing having a plurality of rising protrusions formed by machining and side plates standing in the same direction are provided on both sides of the top plate having holes, and lower ends are provided on both side plates. A spacer made of a metal plate having a U-shaped cross section formed by providing two cut portions that are inclined in a direction away from the portion toward the top plate, and a protective plate disposed on the outside of the housing, The spacer is fixed to the housing by being fitted into two cut portions provided on the both side plates in a state where the spacer is pushed from the tip end portion of the rising protrusion, and the protective plate is disposed on the spacer. And is locked by screwing a screw member into the hole of the spacer from the outside.

According to a second aspect of the present invention, in the outdoor installation type casing according to the first aspect, the rising protrusion is a cylindrical protrusion formed by drawing.
The invention according to claim 3 is the outdoor installation type housing according to claim 1, wherein the rising protrusion is two parallel plates formed by bending.
According to a fourth aspect of the present invention, in the outdoor installation type housing according to the first aspect, the two notch portions have a width capable of guiding the rising protrusion when the tip end portion of the rising protrusion is fitted, and are expanded. It is characterized in that it has a length that allows the rising protrusion to be inserted in a state where it is in a closed state.

The invention according to claim 5 is the outdoor installation type housing according to claim 1, wherein the protection plate is a metal plate or a synthetic resin plate.
The invention according to claim 6 is the outdoor installation type housing according to claim 1, wherein the protection plate is a solar radiation shielding plate.

According to the present invention, since the spacer is fixed on the housing with high accuracy, the protection plate can be securely fixed.
In addition, since no special equipment is required, the spacer can be fixed at a low cost.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 shows a main part of an outdoor installation type housing 10 according to an embodiment of the present invention (corresponding to claims 1, 2, 4, 5, and 6).
The outdoor installation type housing 10 according to the present embodiment includes a housing 20, a spacer 30, and a solar shading plate 40.

  The housing 20 is a box formed of a metal plate, and accommodates an electronic device such as a communication device, for example. In the manufacturing process, for example, 6 to 10 drawing processes per surface are performed in parallel by an NC processing machine or the like in the manufacturing process to form a cylindrical rising protrusion 21 as shown in FIG. To do. The cylindrical rising protrusion 21 is provided at a position corresponding to the side plates (foot portions) 33 and 34 of the spacer 30 made of a metal plate having a U-shaped cross section. Further, the tip 21a of the cylindrical rising protrusion 21 has a shape in which the outer side protrudes from the inner side due to the elongation of the material during processing.

  As shown in FIG. 3, the spacer 30 is provided with a top plate 31 having screw holes 32, side plates (foot portions) 33 and 34 standing in the same direction on both side portions of the top plate 31, and both side plates (foot portions). ) 33 and 34 are provided with two cut portions 33b, 33c, 34b and 34c which are inclined in a direction away from the lower end portions 33a and 34a toward the top plate 31. The distance between the lower ends 33a and 34a of the two notches 33b, 33c, 34b, and 34c is longer than the length corresponding to the diameter of the cylindrical rising protrusion 21 so that the tip 21a of the cylindrical rising protrusion 21 can be fitted. It is set a little longer. As shown in FIG. 3, the two notches 33b, 33c, 34b, and 34c are expanded to a width that can guide the rising protrusion 21 when the leading end 21a of the cylindrical rising protrusion 21 is fitted. The rising protrusion 21 can be inserted in the state.

The solar shading plate 40 is a metal plate or a synthetic resin plate, and has a predetermined number of screw holes 31.
Next, an operation of the outdoor installation type housing 10 according to the present embodiment configured as described above will be described.
First, fixing of the spacer 30 to the housing 20 will be described.
As shown in FIG. 2, cylindrical rising protrusions 21 are formed at positions corresponding to the side plates (foot portions) 33 and 34 of the spacer 30.

  Next, as shown in FIG. 4, the casing 20 is placed on the die 50 using a pressing device, and the side plates (foot portions) 33 and 34 of the spacer 30 are placed on two cylindrical rising protrusions 21. Arrange on top. Then, it presses toward a housing | casing with the punch 51 from the top-plate 31 side of the spacer 30. FIG. In this pressing step, the distal end portions 21a of the two cylindrical rising protrusions 21 have the outer wall surfaces extending from the inner wall surface, so that the displacement causes the distal end portions 21a of the two cylindrical rising protrusions 21 to be 2 The two cut portions 33b, 33c, 34b, and 34c are spread while being bent outward along the wall surface on the center side, and are deformed along the two cut portions 33b, 33c, 34b, and 34c. Then, when the lower end portions 33 a and 34 a of the spacer 30 come into contact with the housing 20, a bottom dead center is formed, and the spacer 30 is fixed to the cylindrical rising protrusion 21 of the housing 30.

Next, the solar shading body 40 can be fixed to the housing 20 by placing the solar shading body 40 on the spacer 30 and screwing the screw 45 into the hole 32 of the spacer 30 through the screw hole 41. it can.
As described above, according to the present embodiment, the cylindrical rising protrusion 21 formed on the housing 20 and the two notches 33b, 33c, 34b, and 34c formed on the spacer 30 are all general-purpose NC processing machines. Therefore, the positional accuracy of the spacer 30 on the housing 20 can be maintained as compared with manual welding. For this reason, it is possible to reliably eliminate the problem of causing a positional shift between the screw hole 41 of the solar shading body 40 and the screw hole 32 of the spacer 30. Of course, the spacer 30 can be fixed more efficiently than the screwing and riveting of the spacer.

Further, for example, since about 6 to 10 spacers 30 are used per one surface of the housing 20, it can be processed at low cost by starting a mold as compared with a press-fit spacer for cutting.
FIG. 5 shows another example of the rising protrusion provided on the housing 20 (corresponding to claim 3).
In this example, the casing 20 is provided with two rising protrusions 21A that are parallel to each other by bending, and in this case as well, the tip portions 21Aa of the two rising protrusions 21A are connected to the 2 of the spacer 30 as in the above embodiment. The spacer 30 can be fixed to the housing 20 by fitting into the two notches 33b, 33c, 34b, 34c. The two rising protrusions 21 </ b> A that are parallel to each other also have a tip 21 </ b> Aa that is slanted due to the elongation of the material at the time of processing, and is easily spread when inserted into the spacer 30.

  Also in this example, the same effect as the above embodiment can be obtained.

It is sectional drawing which shows the principal part of the outdoor installation type housing | casing 10 which concerns on one Embodiment of this invention. (A) It is a perspective view which shows the cylindrical standing protrusion provided in the housing | casing, (b) It is sectional drawing which shows a cylindrical rising protrusion. (A) Perspective view of spacer, (b) Side view of spacer. It is explanatory drawing which shows the adhering process of the spacer with respect to a housing | casing. (A) It is a perspective view which shows another example of the rising protrusion provided in the housing | casing, (b) It is sectional drawing which shows another example of the rising protrusion provided in the housing | casing. It is sectional drawing which shows the principal part of the conventional outdoor installation type housing | casing which fixes a spacer by welding. It is sectional drawing which shows the principal part of the conventional outdoor installation type housing | casing which fixes a spacer by welding. It is sectional drawing which shows the principal part of the conventional outdoor installation type housing | casing which fixes a spacer by screwing. It is sectional drawing which shows the principal part of the conventional outdoor installation type housing | casing which fixes a spacer by riveting. It is sectional drawing which shows the principal part of the conventional outdoor installation type housing | casing using a press-fit spacer.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Outdoor installation type case 20 Case 21 Cylindrical rising protrusion 21A Two rising protrusions 21a Tip part 21Aa of cylindrical rising protrusion 21 Tip part 30 of two rising protrusions 21A Spacer 31 Top plate 32 Screw holes 33, 34 Side plate (foot)
33a, 34a Lower end portions 33b, 33c, 34b, 34c Two cut portions 40 Solar shielding plate 41 Screw hole

Claims (6)

A metal housing having a plurality of rising protrusions formed by machining;
A side plate standing in the same direction is provided on both sides of the top plate having a hole, and a U-shaped cross section is formed by providing two notches on both side plates in a direction away from the lower end toward the top plate. A metal plate spacer,
A protective plate arranged on the outside of the housing,
The spacers are fixed to the housing by being fitted into the two notches provided on the both side plates in a state where the spacers are spread from the tip of the rising protrusion, respectively.
The protective plate is disposed on the spacer and locked by screwing a screw member from the outside into the hole of the spacer. In the outdoor installation type | mold housing | casing of Claim 1,
The rising protrusion is a cylindrical protrusion formed by drawing. An outdoor installation type housing. The outdoor installation type housing according to claim 1,
The stand-up protrusion is two parallel plates formed by bending. An outdoor installation type casing. The outdoor installation type housing according to claim 1,
The two cut portions have a width that can guide the rising protrusion when the leading end of the rising protrusion is inserted, and a length that allows the rising protrusion to be inserted in an expanded state. An outdoor installation type housing. The outdoor installation type housing according to claim 1,
The protective plate is a metal plate or a synthetic resin plate. In the outdoor installation type | mold housing | casing of Claim 1,
The protective plate is a solar shading plate. An outdoor installation type housing.

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