JP6188457B2 - Waterproof power supply case, waterproof power supply device, and waterproof power supply device assembly method - Google Patents

Description

The present invention relates to a waterproof power supply case , a waterproof power supply, and a method for assembling the waterproof power supply .

  Patent Document 1 discloses a waterproof case device having a waterproof case and a lighting device accommodated in the waterproof case. The waterproof case of the waterproof case device includes a hollow case main body having both ends opened, two packings provided at both ends of the case main body, and two closing plates for closing both ends of the case main body. Yes. One packing has a lead wire insertion hole. One closing plate has a lead wire lead-out hole facing a lead wire insertion hole formed in the packing.

Japanese Patent No. 3747506

  In the waterproof case device as described above, when the housing component accommodated in the inside is enlarged, the case body is enlarged accordingly, and the opening portions at both ends of the case body are enlarged, so that the packing is enlarged. There is a need. When increasing the size of the packing, it may be possible to reduce the thickness of the part that does not affect the waterproof performance or partially steal the meat (thickening the meat) in order to suppress an increase in the weight and material cost of the packing. It is done. However, since the material for forming the packing is generally rubber, there is a problem in that the thickness of the packing or the stealing of the packing decreases the rigidity of the packing, and the assembly workability such as the insertion of the wiring decreases. .

The present invention has been made to solve the above-described problems, and provides a waterproof power supply case , a waterproof power supply device, and a waterproof power supply assembly method capable of improving the assembly workability. The purpose is to provide.

The case for a waterproof power supply device according to the present invention has a cylindrical opening end that forms an opening, and is attached to the main body case covering the opening and a hollow main body case that houses the power supply device. A case lid having a through hole in part, and a packing disposed between the main body case and the case lid, the packing covering a closed surface portion that closes the opening, and around the closed surface portion A flange portion that is formed and is in close contact with the entire periphery of the open end; and is formed to protrude from the closing surface portion toward the case lid side and is fitted into the through hole, and is inserted through a cord connected to the power supply device an insertion portion provided with a cord insertion hole for, and have a, the closing surface portion is provided with an insertion portion inserted into the open end within the insert, along the inner wall surface of the opening end An insertion wall provided in a frame shape; Characterized in that it has an auxiliary wall provided in a portion surrounded by the serial insertion wall, provided a portion surrounded by the insertion wall, a thinned-out part having a reduced thickness of the closing surface portion partially, the It is what.

The waterproof power supply device according to the present invention includes the waterproof power supply case of the present invention and a power supply device.
A method for assembling a waterproof power supply device according to the present invention includes a hollow main body case that has a cylindrical opening end that forms an opening, accommodates the power supply device, and is attached to the main body case so as to cover the opening. A case lid having a through hole in part, and a packing disposed between the main body case and the case lid, the packing including a closed surface portion that closes the opening, and a periphery of the closed surface portion A flange portion that is formed in close contact with the entire periphery of the opening end, and a cord that protrudes from the closing surface portion toward the case lid and fits into the through-hole and is connected to the power supply device. A waterproof power supply device housing the power supply device in a waterproof power supply case having a cord insertion hole to be inserted, wherein the insertion portion is fitted into the through hole. The pack Integrated ting and the case cover, the power supply device accommodated in the body case, it is the packing which is integrated with the case lid which is characterized in that attached to the open end of the main body case.

  According to the present invention, the packing and the case lid can be integrated by fitting the insertion portion of the packing into the through hole of the case lid. Accordingly, the rigidity of the packing can be reinforced by the case lid, and deformation of the packing can be suppressed, so that assembly workability such as insertion of the cord into the packing can be improved.

It is a perspective view which shows the structure of the waterproof type power supply device 1 which concerns on Embodiment 1 of this invention. It is a disassembled perspective view which shows the structure of the waterproof type power supply device 1 which concerns on Embodiment 1 of this invention. It is sectional drawing which shows the structure which cut | disconnected the main body case 10 of the case 2 for waterproof type power supply devices which concerns on Embodiment 1 of this invention by the plane perpendicular | vertical to a longitudinal direction. It is a figure which shows the structure of case cover A40 of case 2 for waterproof type power supply devices which concerns on Embodiment 1 of this invention. It is a figure which shows the structure of packing A60 of the case 2 for waterproof type power supply devices which concerns on Embodiment 1 of this invention. It is sectional drawing which shows the structure of packing A60 cut | disconnected by the VI-VI line of Fig.5 (a). It is a perspective view which shows the structure of packing A60 of case 2 for waterproof type power supply devices which concerns on Embodiment 1 of this invention. It is a figure which shows the structure of case cover B50 of case 2 for waterproof type power supply devices which concerns on Embodiment 1 of this invention. It is a figure which shows the structure of packing B80 of case 2 for waterproof type power supply devices which concerns on Embodiment 1 of this invention. It is sectional drawing which shows the structure of packing B80 cut | disconnected by the XX line of Fig.9 (a). It is a perspective view which shows the structure of packing B80 of case 2 for waterproof type power supply devices which concerns on Embodiment 1 of this invention. It is a figure which shows the structure of the attachment screw | thread 100 of the case 2 for waterproof type power supply devices which concerns on Embodiment 1 of this invention. It is a figure which shows the structure of the leg part 90 of case 2 for waterproof type power supply devices which concerns on Embodiment 1 of this invention. It is a figure which shows the modification of a structure of the leg part 90 of case 2 for waterproof type power supply devices which concerns on Embodiment 1 of this invention. It is a figure which shows the example of the assembly methods of the main body case 10, packing A60, case cover A40, etc. in the waterproof power supply device 1 which concerns on Embodiment 1 of this invention in time series.

Embodiment 1 FIG.
A waterproof power supply case and a waterproof power supply device according to Embodiment 1 of the present invention will be described. FIG. 1 is a perspective view showing a configuration of a waterproof power supply device 1 according to the present embodiment. FIG. 2 is an exploded perspective view showing the configuration of the waterproof power supply device 1 according to the present embodiment. In the following drawings including FIG. 1 and FIG. 2, the dimensional relationship and shape of each component may differ from the actual ones. In the following description, the mounting surface of the waterproof power supply device 1, that is, the surface facing the mounting surface when the waterproof power supply device 1 is mounted on a mounting surface (for example, a ceiling surface). It is assumed that the bottom surface (bottom surface).

  As shown in FIGS. 1 and 2, the waterproof power supply device 1 includes a waterproof power supply case 2 and a power supply device 30 (power transformer) housed in the waterproof power supply case 2. Yes. The case 2 for a waterproof power supply device includes cylindrical open ends 10a and 10b that form openings, at both ends, and a hollow main body case 10 that houses the power supply device 30 therein, and covers one of the openings. A case lid A40 attached to the case 10, a case lid B50 covering the other opening and attached to the main body case 10, a packing A60 provided between the main body case 10 and the case lid A40, the main body case 10 and the case It has packing B80 provided between lid | cover B50, and the leg part 90 for attaching the waterproof type power supply device 1 to a to-be-attached member (for example, lighting fixture etc.). The case lid A40 is attached to one end of the main body case 10 using four attachment screws 100 with the packing A60 interposed therebetween. The case lid B50 is attached to the other end of the main body case 10 using a similar attachment screw with the packing B80 interposed therebetween.

  The power supply device 30 includes a circuit board 32 on which electronic components, circuit components, and the like are mounted, and a circuit holding unit 33 that holds the circuit board 32. The electronic component and the circuit component provided in the circuit board 32 of this example constitute a lighting circuit that lights a light source such as an LED, but the circuit constituted by the electronic component and the circuit component is not limited to the lighting circuit. Absent. The circuit holding portion 33 has a configuration in which a plate-like metal member is bent in a U-shaped cross section. One end side of a plurality of cords 31 (not shown in FIG. 2) is connected to the circuit board 32, and the other end side of each cord 31 is drawn out of the waterproof power supply device 1. The power supply device 30 is fixed to the main body case 10 using a screw nut or the like.

  FIG. 3 is a cross-sectional view showing a configuration in which the main body case 10 of the waterproof power supply case 2 according to the present embodiment is cut along a plane perpendicular to the longitudinal direction. The body case 10 is integrally formed, for example, by extrusion using a metal material such as aluminum. As shown in FIG. 3, the main body case 10 includes a main body portion 11 having a rectangular tube shape (rectangular tube shape). A hollow portion 12 serving as a housing space for housing the power supply device 30 is formed inside the main body portion 11. On the lower surface side of the outer wall of the main body part 11, a leg part incorporating part 13 into which the leg part 90 is incorporated is formed. In this example, one leg 90 is incorporated at one end in the longitudinal direction of the leg assembly 13 and another leg 90 is incorporated at the other end. The leg built-in portion 13 includes a bottom surface portion of the main body portion 11 and a pair of L-shaped portions 16a and 16b that protrude downward from the bottom surface portion and bend in an L shape in a direction facing each other. A space surrounded by the bottom surface portion of the main body 11 and the L-shaped portions 16a and 16b has a size that allows insertion of an insertion portion 91 of a leg portion 90 and a hooking portion 65e of the packing A60 described later.

  Screw holes 15a to 15d into which mounting screws 100 for attaching the case lid A40 and the case lid B50 are screwed are formed on the upper surface and the lower surface of the outer wall of the main body portion 11. The screw holes 15a and 15b on the lower surface side are provided on both sides of the L-shaped portions 16a and 16b. The upper surface side screw holes 15c and 15d are provided at positions facing the lower surface side screw holes 15a and 15b.

  A plurality of heat radiating fins 14 are formed on the upper surface and the left and right side surfaces of the outer wall of the main body 11 so as to protrude in the vertical outward direction from the respective surfaces. The radiating fin 14 on the upper surface side is provided in a portion sandwiched between the screw holes 15c and 15d. The side-side heat radiating fins 14 are provided on portions other than the flat plate portions 11a to 11d formed in a predetermined range from the upper and lower end portions on each side surface. Specifically, the radiating fin 14 on the left side is provided in a portion sandwiched between the flat plate portions 11a and 11b, and the radiating fin 14 on the right side is disposed in a portion sandwiched between the flat plate portions 11c and 11d. Is provided.

  FIG. 4 is a diagram showing a configuration of the case lid A40 of the waterproof power supply case 2 according to the present embodiment. Case lid A40 is a flat member formed using metal materials, such as aluminum, for example. As shown in FIG. 4, the case lid A <b> 40 has a substantially rectangular planar shape that covers one opening of the main body case 10. The case lid A40 has two through holes 41. A case lid fitting portion 72 of packing A60 described later is fitted into the through hole 41. The case lid A40 has four lid attachment holes 42 through which the attachment screws 100 pass when the case lid A40 is attached to the main body case 10. Each of the lid attachment holes 42 is provided at a position corresponding to the screw holes 15 a to 15 d of the main body case 10.

  FIG. 5 is a diagram showing a configuration of the packing A60 of the waterproof power supply case 2 according to the present embodiment. 5A is a front view showing the configuration of one surface of the packing A60 (the surface on the main body case 10 side), and FIG. 5B is a side view showing the configuration of the side surface of the packing A60. (C) is a rear view which shows the structure of the other surface (surface by the side of case lid A40) of packing A60. FIG. 6 is a cross-sectional view showing the configuration of the packing A60 cut along the line VI-VI in FIG. FIG. 7 is a perspective view showing the configuration of the packing A60. FIG. 7A is a perspective view of the packing A60 viewed from one surface side, and FIG. 7B is a perspective view of the packing A60 viewed from the other surface side. 5 and 6, the packing A60 is shown with the bottom side (mounting side of the waterproof power supply device 1) facing upward.

  The packing A60 is formed of a rubber-based material having elasticity. As shown in FIGS. 5 to 7, the packing A <b> 60 has a substantially rectangular flat plate-shaped closing surface portion 61 that closes one opening portion of the main body case 10. The surface of the closing surface portion 61 on the case lid A40 side is substantially flat. The closing surface portion 61 has an insertion portion 62 protruding toward the main body case 10 side. The insertion portion 62 is inserted into the open end 10 a of the main body case 10.

  The insertion portion 62 has an insertion wall 66 provided in a rectangular frame shape along the entire circumference of the inner wall surface of the opening end 10a. Each outer wall surface of the insertion wall 66 is provided to be parallel to each inner wall surface of the opening end 10a. Each outer wall surface of the insertion wall 66 is formed with a convex portion 66 a having an arcuate cross section that protrudes outward from each outer wall surface and extends parallel to the protruding direction of the insertion wall 66. In this example, two convex portions 66 a are provided on the four outer wall surfaces of the insertion wall 66. When the insertion portion 62 is inserted into the opening end 10a, these convex portions 66a come into contact (pressure contact) with each inner wall surface of the opening end 10a.

  The portion surrounded by the insertion wall 66 is formed with a meat stealing portion 68 in which the thickness of the blocking surface portion 61 is partially reduced, and two rib-shaped auxiliary walls 67a and 67b that reinforce the rigidity of the packing A60. Has been. In this example, the thickness of the blocking surface portion 61 where the meat stealing portion 68 is formed is substantially the same as the thickness of the flange portion 63 described later. By providing the meat stealing portion 68, the weight and material cost of the packing A60 can be reduced.

  The auxiliary walls 67a and 67b connect the opposing sides of the rectangular frame-shaped insertion wall 66, and the auxiliary walls 67a and 67b intersect each other vertically. The auxiliary walls 67 a and 67 b extend in parallel or perpendicular to the sides of the insertion wall 66. The protruding heights of the auxiliary walls 67a and 67b are lower than the protruding height of the insertion wall 66 (see FIG. 6 and the like).

  By providing such an insertion portion 62, it is possible to assist the attachment of the packing A60 to a predetermined attachment position, and to prevent the packing A60 from shifting in the vertical and horizontal directions with respect to the main body case 10. .

  A flange portion 63 (a collar portion) is formed in a frame shape around the closing surface portion 61. The flange portion 63 is formed in substantially the same plane as the closing surface portion 61. The flange portion 63 comes into contact with the opening end 10 a of the main body case 10. When the flange portion 63 abuts against the opening end 10a, it is possible to prevent the packing A60 from being pushed into the main body case 10. Moreover, the flange part 63 is crushed over the perimeter between the opening end 10a of the main body case 10, and case cover A40. Thereby, the flange part 63 adheres | tightens watertight to the perimeter of the opening end 10a, and exhibits a predetermined waterproof effect. Further, four packing mounting holes 64 through which the mounting screws 100 pass when the packing A 60 is mounted on the main body case 10 are formed in the flange portion 63. Each of the packing attachment holes 64 is provided at a position corresponding to the screw holes 15 a to 15 d of the main body case 10.

  Further, hooking portions 65 a to 65 e protruding toward the main body case 10 side are formed on the outer peripheral side of the flange portion 63. The hooks 65 a to 65 e are hooked on the opening end 10 a of the main body case 10. The hook portions 65a to 65d are provided at positions corresponding to the flat plate portions 11a to 11d of the main body portion 11, respectively. The hook portion 65e constitutes a bottom surface portion of the main body portion 11 (part of the leg built-in portion 13). The bottom surface portion) is provided at a position corresponding to the center in the left-right direction. That is, the hook portions 65 a to 65 e are provided at positions that do not interfere with the heat radiating fins 14. Each inner surface of the hook portions 65a to 65e is in contact with the outer wall surface of the opening end 10a. Thereby, each of the hooking portions 65 a to 65 e holds the opening end 10 a together with the outer wall surface of the insertion portion 62. By providing the hook portions 65a to 65e, it is possible to prevent the packing A60 from being pushed into the main body case 10. In addition, the quantity and arrangement of the heat radiation fins 14 and the hook portions 65a to 65e may be changed as appropriate in consideration of the heat radiation property or assembly property of the waterproof power supply device 1.

  Of the closed surface portion 61, a portion surrounded by the insertion wall 66 and the auxiliary walls 67a and 67b includes a case lid fitting portion 72 projecting to the case lid A40 side, and a cord holding portion 71 projecting to the main body case 10 side. The insertion part 70 provided with these is provided. In this example, two insertion portions 70 are provided. One insertion portion 70 is provided above the auxiliary wall 67a (below the auxiliary wall 67a in FIG. 5A) and to the left of the auxiliary wall 67b (to the right of the auxiliary wall 67b in FIG. 5A). It has been. The other insertion portion 70 is provided above the auxiliary wall 67a and to the right of the auxiliary wall 67b (to the left of the auxiliary wall 67b in FIG. 5A).

  The cord holding portion 71 is formed to protrude from the surface of the closing surface portion 61 on the main body case 10 side (surface where the meat stealing portion 68 is formed) to the main body case 10 side. The cord holding part 71 has a substantially cylindrical shape. In this example, the protruding height of the cord holding portion 71 is higher than the protruding height of the insertion wall 66 (see FIG. 6 and the like). The cord holding portion 71 has a plurality of cord insertion holes 73 through which the cord 31 is inserted. The axial direction of each cord insertion hole 73 is parallel to the axial direction of the cord holding portion 71 itself. Each cord insertion hole 73 has a structure in which a small inner diameter portion having a relatively small inner diameter and a large inner diameter portion coaxial with the small inner diameter portion and having an inner diameter larger than the small inner diameter portion are alternately provided in the axial direction. ing. At least the inner diameter of the small inner diameter portion is smaller than the outer diameter of the inserted cord 31. The inner diameter of the large inner diameter portion is, for example, substantially the same as or larger than the outer diameter of the inserted cord 31. By forming the small inner diameter portion and the large inner diameter portion alternately, irregularities are formed on the inner wall surface of the cord insertion hole 73. Since the adhesion between the cord insertion hole 73 and the cord 31 is enhanced by the unevenness, the waterproof property of the waterproof power supply case 2 can be improved, and pulling or pushing of the cord 31 can be suppressed. In this example, the length of the specific code insertion hole 73 a of the code insertion holes 73 is longer than that of the other code insertion holes 73. Therefore, a protrusion 74 that protrudes further toward the main body case 10 from the protruding front end surface of the cord holding part 71 is formed around the specific code insertion hole 73a.

  The case lid fitting portion 72 is formed so as to protrude from the case lid A40 side surface of the closing surface portion 61 to the case lid A40 side. The case lid fitting part 72 is fitted into the through hole 41 of the case lid A40 and exposed to the outside. The case lid fitting portion 72 includes a cylindrical portion 72a having a substantially cylindrical shape, and a pressing portion 72b formed on the distal end side in the axial direction of the cylindrical portion 72a, and has a cylindrical shape as a whole. Have. The outer diameter of the cylindrical portion 72a is, for example, substantially the same as or smaller than the inner diameter of the through hole 41 of the case lid A40. The axial length of the cylindrical portion 72a is substantially the same as the thickness of the case lid A40. The pressing portion 72b has an annular inclined surface 72c (conical surface) whose outer diameter gradually increases from the distal end side toward the cylindrical portion 72a side (closed surface portion 61 side). The outer diameter on the distal end side of the holding portion 72b is smaller than the inner diameter of the through hole 41 of the case lid A40, and the outer diameter on the cylindrical portion 72a side of the holding portion 72b is larger than the inner diameter of the through hole 41. ing. The inner diameter of the case lid fitting portion 72 is substantially the same over the entire cylindrical portion 72a and the holding portion 72b.

  In the packing A60 of this example, one insertion portion 70 for input and one for output (two in total) are provided, and one insertion portion 70 has three cord insertion holes 73, and the other insertion portion. 70 has four cord insertion holes 73. However, the present invention is not limited to this. The number of insertion portions 70 and the number of cord insertion holes 73 included in each insertion portion 70 may be changed within a range that does not affect performance, depending on the power supply device 30 accommodated in the main body case 10.

  FIG. 8 is a diagram showing a configuration of the case lid B50 of the waterproof power supply case 2 according to the present embodiment. As shown in FIG. 8, the case lid B50 has the same configuration as the case lid A40 shown in FIG. 4 except that the through hole 41 is not provided.

  FIG. 9 is a diagram showing a configuration of the packing B80 of the waterproof power supply case 2 according to the present embodiment. 9A is a front view showing the configuration of one surface of the packing B80 (the surface on the main body case 10 side), and FIG. 9B is a side view showing the configuration of the side surface of the packing B80. (C) is a back view which shows the structure of the other surface (surface by the side of case lid B50) of packing B80. FIG. 10 is a cross-sectional view showing the configuration of the packing B80 cut along line XX in FIG. FIG. 11 is a perspective view showing the configuration of the packing B80. FIG. 11A is a perspective view of the packing B80 viewed from one surface side, and FIG. 11B is a perspective view of the packing B80 viewed from the other surface side. 9 and 10, the packing B80 is shown with the bottom side (mounting side of the waterproof power supply device 1) facing upward.

  As shown in FIGS. 9 to 11, the packing B80 has the same configuration as the packing A60 shown in FIGS. 5 to 7 except that the insertion portion 70 is not provided.

  FIG. 12 is a diagram showing a configuration of the mounting screw 100 of the waterproof power supply case 2 according to the present embodiment. As shown in FIG. 12, the mounting screw 100 has a non-threaded spacer portion 103 between a screw portion 101 on the distal end side that has been threaded and a screw head portion 102. The diameter of the spacer portion 103 is larger than the diameter of the screw portion 101. The axial length of the spacer portion 103 is such that the flange portion 63 of the packing A60 (or packing B80) is crushed so as to exhibit a predetermined waterproof effect, and the thickness of the case lid A40 (or case lid B50). It is almost equal to the sum.

  FIG. 13 is a diagram illustrating a configuration of the leg portion 90 of the waterproof power supply case 2 according to the present embodiment. FIG. 13A is a front view of the leg portion 90, and FIG. 13B is a side view of the leg portion 90. As shown in FIG. 13, the leg portion 90 is obtained by bending a plate-like metal member into a Z shape. The leg part 90 is attached to the leg part incorporating part 13 on one end side of the main body case 10 and the leg part incorporating part 13 on the other end side, respectively. The leg portion 90 includes an insertion portion 91 to be incorporated into the leg incorporation portion 13, an attachment portion 92 attached to the surface to be attached, and a holding portion 93 that forms a step between the insertion portion 91 and the attachment portion 92. ,have.

  The insertion portion 91 is formed with an attachment hole 94 for being fixed using a screw nut or the like after being inserted into the leg assembly portion 13. The attachment portion 92 is formed with an oval attachment hole 95 for fixing to the attachment surface. The holding portion 93 is for forming a space between the waterproof power supply device 1 and the attached surface when the waterproof power supply device 1 is attached to the attached surface. The height of the holding portion 93 is set so that a space having a desired height is formed between the waterproof power supply device 1 and the mounting surface. In addition, it is also possible to abolish the leg portion 90 by giving the case lid A40 and the case lid B50 the functions of the attachment portion 92 and the holding portion 93.

  FIG. 14 is a diagram illustrating a modified example of the configuration of the leg portion 90. FIG. 14A is a front view of the leg portion 90, and FIG. 14B is a side view of the leg portion 90. As shown in FIG. 14, an attachment hook 96 having a hook shape opened in the lateral direction is formed in the attachment portion 92 of the leg portion 90 of this modification instead of the oval attachment hole 95.

  Next, a method for assembling the waterproof power supply device 1 according to the present embodiment will be described. FIG. 15 is a diagram showing an example of an assembling method of the main body case 10, the packing A60, the case lid A40, and the like in the waterproof power supply device 1 according to the present embodiment in time series. First, as shown in FIGS. 15A and 15B, the case lid fitting portion 72 of the packing A60 is fitted into the through hole 41 of the case lid A40. As a result, the packing A60 and the case lid A40 are integrated, and the rigidity of the packing A60 is reinforced by the case lid A40.

  When the case lid fitting portion 72 is fitted into the through hole 41, the inclined surface 72 c of the case lid fitting portion 72 is brought into contact with the opening end 10 a of the through hole 41. Thereby, the through hole 41 is guided so as to be coaxial with the case lid fitting portion 72, and the case lid fitting portion 72 and the through hole 41 are relatively aligned. By pressing the case lid fitting portion 72 into the through hole 41 in this state, the cylindrical presser portion 72b having an outer diameter larger than the inner diameter of the through hole 41 is elastically deformed to the inner peripheral side and penetrates. Pass through hole 41. After the presser part 72 b passes through the through hole 41, the presser part 72 b is restored to the original shape, and a cylindrical part 72 a having an outer diameter substantially equal to or smaller than the inner diameter of the through hole 41 is formed in the through hole 41. Fit. In this way, the case lid fitting portion 72 can be easily fitted into the through hole 41.

  Next, the power supply device 30 is accommodated in the main body case 10, and as shown in FIG. 15C, a plurality of cords 31 connected to the power supply device 30 are respectively inserted into the code insertion holes 73 and 73a (FIG. 15C). (Only the code insertion hole 73a is shown) and is pulled out to the outside. At this time, since the rigidity of the packing A60 is reinforced by being integrated with the case lid A40, the packing A60 is prevented from being deformed by the stress generated when the cord 31 is inserted into the cord insertion holes 73 and 73a. be able to. Further, when the cord 31 is inserted, the cord insertion holes 73 and 73a are expanded, and accordingly, the outer diameter of the insertion portion 70 (for example, the outer diameter of the cylindrical portion 72a) is expanded. Thereby, fitting with packing A60 and case lid A40 becomes still stronger.

  Further, the packing A60 integrated with the case lid A40 is attached to the opening end 10a of the main body case 10 in a process and a series of processes for inserting the code 31 into the code insertion hole 73. Thereby, the insertion part 62 (insertion wall 66) of the packing A60 is inserted into the opening end 10a, the flange part 63 of the packing A60 contacts the opening end 10a, and the hooking parts 65a, 65b, 65c, 65d of the packing A60, 65e is hooked on the outer wall surface side of the opening end 10a. In other words, the opening end 10 a of the main body case 10 is fitted into a gap between the insertion portion 62 of the packing A 60 and the hook portions 65 a, 65 b, 65 c, 65 d, 65 e and abuts on the flange portion 63. At this time, since the rigidity of the packing A60 is reinforced by being integrated with the case lid A40, the assembly workability thereof is improved.

  Thereafter, the mounting screw 100 is passed through the lid mounting hole 42 of the case lid A40 and the packing mounting hole 64 of the packing A60, and the mounting screw 100 is screwed into the screw holes 15a to 15d of the main body case 10. Thus, the case lid A40 is attached to the opening on one end side of the main body case 10 with the packing A60 interposed therebetween. The flange portion 63 of the packing A60 is crushed over the entire circumference between the main body case 10 and the case lid A40 so as to exhibit a predetermined waterproof effect.

  On the other hand, a packing B80 and a case lid B50 having no through holes are attached to the opening on the other end side of the main body case 10 from which the cord 31 is not pulled out. The process of attaching the packing B80 and the case cover B50 is the same as the process of attaching the packing A60 and the case cover A40 except that the cord 31 is not inserted.

  As described above, the waterproof power supply case 2 according to the present embodiment has the cylindrical opening end 10a that forms the opening, the hollow main body case 10 that houses the power supply 30, and the opening. A case lid A40 that is attached to the main body case 10 so as to cover the portion and has a through hole 41 in part, and a packing A60 disposed between the main body case 10 and the case lid A40. A closing surface portion 61 that closes the opening portion, a flange portion 63 that is formed around the closing surface portion 61 and is in close contact with the entire periphery of the opening end 10a, and that protrudes from the closing surface portion 61 toward the case lid A40 and is formed in the through hole 41. And an insertion portion 70 including cord insertion holes 73 and 73a through which the cord 31 connected to the power supply device 30 is inserted.

  Further, the waterproof power supply device 1 according to the present embodiment has a waterproof power supply case 2 and a power supply device 30 accommodated in the waterproof power supply case 2. .

  According to this structure, packing A60 and case cover A40 can be integrated by fitting the insertion part 70 of packing A60 in the through-hole 41 of case cover A40. Accordingly, the rigidity of the packing A60 can be reinforced by the case lid A40, and deformation of the packing A60 can be suppressed. Therefore, assembly workability such as insertion of the cord 31 into the packing A60 and attachment of the packing A60 is improved. be able to. Thereby, the assembly process of the waterproof power supply device 1 can be simplified. Further, since the rigidity of the packing A60 can be reinforced by the case lid A40, it is not necessary to form the packing A60 thicker than necessary for securing the rigidity of the packing A60. Therefore, since the weight and material cost of the packing A60 can be reduced, it is possible to reduce the weight and cost of the waterproof power supply device 1 and the waterproof power supply case 2.

  The waterproof power supply case 2 according to the present embodiment is characterized in that the closing surface portion 61 includes an insertion portion 62 that is inserted into the opening end 10a. According to this configuration, it is possible to assist the attachment of the packing A60 to a predetermined attachment position, and therefore it is possible to improve the assembly workability such as the attachment of the packing A60. In addition, according to this configuration, the packing A60 can be prevented from shifting in the vertical and horizontal directions with respect to the main body case 10, so that the waterproof property of the waterproof power supply case 2 can be improved.

  Further, in the waterproof power supply case 2 according to the present embodiment, the insertion portion 62 includes an insertion wall 66 provided in a frame shape along the inner wall surface of the opening end 10a, and a portion surrounded by the insertion wall 66. And an auxiliary wall 67a, 67b provided on the insertion wall 66, and a meat stealing portion 68 in which the thickness of the blocking surface portion 61 is partially reduced. is there. According to this structure, the weight and material cost of packing A60 can be reduced, ensuring the rigidity of packing A60.

  Further, in the waterproof power supply case 2 according to the present embodiment, the packing A60 is provided so as to protrude from the outer peripheral side of the flange portion 63 to the main body case 10 side, and the hook portion 65a that contacts the outer wall surface of the opening end 10a. -65e are further provided. According to this configuration, it is possible to prevent the packing A60 from being pushed into the main body case 10.

  In addition, the waterproof power supply case 2 according to the present embodiment is characterized in that irregularities are formed on the inner wall surface of the cord insertion hole 73. In the waterproof power supply case 2 according to the present embodiment, the concave and convex portions are alternately provided with a small inner diameter portion and a large inner diameter portion having an inner diameter larger than the small inner diameter portion in the axial direction of the cord insertion hole 73. It is formed by being formed. According to this configuration, since the adhesion between the cord insertion hole 73 and the cord 31 is increased, the waterproof property of the waterproof power supply case 2 can be improved, and the pulling out or pushing of the cord 31 can be suppressed. it can.

  The waterproof power supply case 2 according to the present embodiment has cylindrical opening ends 10a and 10b that form openings, and includes a hollow main body case 10 that houses the power supply device 30, and an opening. A case cover A40 and a case cover B50 that are attached to the main body case 10 and a packing A60 and a packing B80 disposed between the main body case 10 and the case cover A40 and the case cover B50. B80 includes an insertion portion 62 inserted into the opening ends 10a and 10b and a closing surface portion 61 that closes the opening portion, and a flange portion 63 that is formed around the closing surface portion 61 and adheres to the entire periphery of the opening ends 10a and 10b. And hooking portions 65a to 65e that protrude from the outer peripheral side of the flange portion 63 toward the main body case 10 side and come into contact with the outer wall surfaces of the open ends 10a and 10b. It is characterized in.

  According to this configuration, by providing the insertion portion 62, it is possible to assist the attachment of the packing A60 and the packing B80 to a predetermined attachment position. Therefore, assembly workability such as attachment of packing A60 and packing B80 can be improved. Further, by providing the insertion portion 62, it is possible to prevent the packing A60 and the packing B80 with respect to the main body case 10 from shifting in the vertical and horizontal directions. Further, by providing the hooking portions 65a to 65e, it is possible to prevent the packing A60 and the packing B80 from being pushed into the main body case 10.

Other embodiments.
The present invention is not limited to the above embodiment, and various modifications can be made.
For example, in the above-described embodiment, the main body case 10 integrally formed by extrusion molding is taken as an example, but the present invention is not limited to this. The main body case 10 may have a hollow portion 12 that houses the power supply device 30 and may be configured by combining a plurality of metal molded products as long as waterproofness can be ensured.

  Moreover, in the said embodiment, although the main body case 10 which has the square cylinder-shaped main body part 11 was mentioned as an example, this invention is not limited to this. The shape of the main body portion 11 of the main body case 10 can be appropriately changed in consideration of waterproofness or accommodation of other parts.

  Moreover, in the said embodiment, although the case 2 for waterproof type power supply devices which accommodate the exclusive power supply device 30 was mentioned as an example, this invention is not limited to this. The waterproof power supply case 2 may accommodate a non-waterproof power supply that has already been packaged. In that case, the shape of the main body case 10 and the like can be changed as appropriate as long as there is no problem in waterproofness and assemblability.

  Moreover, the above-described embodiments and modifications can be implemented in combination with each other.

  DESCRIPTION OF SYMBOLS 1 Waterproof type power supply device, 2 Case for waterproof type power supply devices, 10 Main body case, 10a, 10b Open end, 11 Main body part, 11a, 11b, 11c, 11d Flat plate part, 12 Hollow part, 13 Leg part built-in part, 14 Radiation fin, 15a, 15b, 15c, 15d Screw hole, 16a, 16b L-shaped part, 30 Power supply, 31 Cord, 32 Circuit board, 33 Circuit holding part, 40 Case lid A, 41 Through hole, 42 Lid mounting hole, 50 Case cover B, 60 Packing A, 61 Blocking surface part, 62 Insertion part, 63 Flange part, 64 Packing mounting hole, 65a, 65b, 65c, 65d, 65e Hook part, 66 Insertion wall, 66a Convex part, 67a, 67b Auxiliary wall , 68 Meat stealing part, 70 insertion part, 71 code holding part, 72 case lid fitting part, 72a cylindrical part, 72b presser part, 72 Inclined surface, 73, 73a Cord insertion hole, 74 Protruding part, 80 Packing B, 90 Leg part, 91 Insertion part, 92 Mounting part, 93 Holding part, 94 Mounting hole, 95 Mounting hole, 96 Mounting hook, 100 Mounting screw , 101 Screw part, 102 Screw head, 103 Spacer part.

Claims (6)

A hollow main body case that has a cylindrical opening end that forms an opening and accommodates a power supply device;
A case lid that covers the opening and is attached to the main body case, and has a through hole in part;
A packing disposed between the main body case and the case lid,
The packing is
A blocking surface portion that closes the opening;
A flange portion formed around the closed surface portion and closely contacting the entire circumference of the opening end;
With fitted in the through-hole is formed to protrude to the case lid side from the closing surface portion, which have a, an insertion portion provided with a cord insertion hole for inserting the cord connected to the power supply,
The closed surface portion includes an insertion portion that is inserted into the open end,
The insertion part is
An insertion wall provided in a frame shape along the inner wall surface of the open end;
An auxiliary wall provided in a portion surrounded by the insertion wall;
A waterproof power supply case , comprising: a meat stealing portion provided in a portion surrounded by the insertion wall, wherein the thickness of the blocking surface portion is partially reduced . 2. The waterproof power supply device according to claim 1 , wherein the packing further includes a hooking portion that protrudes from the outer peripheral side of the flange portion toward the main body case and contacts an outer wall surface of the opening end. For case. The waterproof power supply case according to claim 1 or 2 , wherein the inner wall surface of the cord insertion hole is formed with irregularities. The irregularities, claim 3, characterized by being formed by a small-inner-diameter portion, said a large diameter portion having a larger inner diameter than the small diameter portion, are provided alternately in the axial direction of the cord insertion hole A case for a waterproof power supply device according to 1. A waterproof power supply device comprising: the waterproof power supply case according to any one of claims 1 to 4 ; and the power supply device.   A hollow main body case that has a cylindrical opening end that forms an opening and accommodates a power supply device;
  A case lid that covers the opening and is attached to the main body case, and has a through hole in part;
  A packing disposed between the main body case and the case lid,
  The packing is
  A blocking surface portion that closes the opening;
  A flange portion formed around the closed surface portion and closely contacting the entire circumference of the opening end;
  A waterproof power supply device comprising: an insertion portion that is formed so as to protrude from the closed surface portion toward the case lid side, is fitted into the through hole, and has a cord insertion hole through which a cord connected to the power supply device is inserted. A method for assembling a waterproof power supply device in which the power supply device is housed in a case,
  Fitting the insertion part into the through hole and integrating the packing and the case lid,
  Housing the power supply in the body case;
  A method for assembling a waterproof power supply apparatus, wherein the packing integrated with the case lid is attached to the opening end of the main body case.

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