JP2018128717A - Housing case - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a housing case that is the housing case for opening/closing a lid pivotally supported by a case main body by swinging upward and also keeping the lid in an opening posture without arranging a movable component to keep an opening posture of the lid.SOLUTION: A terminal box 16 is a housing case for opening/closing a lid 162 pivotally supported by a case main body 160 by swinging upward. The lid 162 has a long hole 166. The lid 162 is opened by swinging-up in a state where a swing shaft 165 is inserted at a first position on one end side of the long hole 166. When the lid 162 is opened and slid in a direction of the long hole 166 so as to move the swing shaft 165 to be inserted at a second position on the other end side of the long hold 166, an upper part of the lid 162 is abutted to a recessed rotation load support part 168 arranged in the case main body 160. Thus, even when the lid 162 is to be closed by self-weight, swinging is restricted by the rotation load support part 168, so as to keep an opening state of the lid 162.SELECTED DRAWING: Figure 9

Description

  The present invention relates to a storage case.

  The lid pivotally supported by the left / right swing shaft provided on the case body is swung upward from a closed position (hereinafter referred to as “closed position”) to an open position (hereinafter referred to as “open position”). In the case of an open / closed storage case that has a fixed vertical direction during installation that exposes the opening, a structure is provided to keep the lid open in order to access the inside of the case with the lid open. Is desirable.

  For example, Patent Document 1 and Patent Document 2 disclose a frame structure of a traffic signal lamp in which a lid that also serves as a case front panel is pivotally supported on the case main body so as to be able to swing upward. It is an example of a case.

JP 2014-127136 A JP 2014-127137 A

  The maintenance work for traffic signal lamps is performed in the installed state. Since all the electrical components of the traffic light are housed in the case body, the lid is lifted upward when the work is started, the case is opened, the open posture is maintained during the work, and the lid is closed again after the work. During work, it is not preferable from the viewpoint of workability that the worker keeps the lid in the open position with the arm, so instead of using a stick, both hands are supported by supporting the lid with the helmet that the worker himself wears on the head. May work freely.

  Therefore, it seems to be good to produce a signal lamp with a built-in movable part (for example, a refill rod or a damper rod) that keeps the lid in an open position, but it is not included in the required specifications as an essential part. It has not been built in from the viewpoint of manufacturing cost and assembly man-hours. This is not limited to the case structure of the traffic signal lamp, but is the same regardless of the form of the case that opens and closes by swinging the lid pivotally supported by the case body upward. Therefore, it is convenient if there is a structure that can exhibit the same effect without adding moving parts.

  The present invention is a housing case that opens and closes by swinging a lid pivotally supported by a case body upward, and can accommodate the lid in an open posture without providing a movable part that can keep the lid in an open posture. It was devised for the purpose of providing.

  A first invention for solving the above-described problem is a posture (hereinafter referred to as “closed posture”) in which a lid pivotally supported by a left-right swing shaft provided in the case body is opened (hereinafter referred to as “closed posture”). An open / close-type storage case in which the vertical direction at the time of installation is determined so that the opening is exposed by swinging upward in an “open posture”, wherein the insertion position of the swing shaft is the And a long hole through which the swing shaft is inserted so as to be displaceable between a first position on the upper side and a second position on the lower side in the closed posture, and the case body has the insertion position at the first position. The lid can be swung between the closed position and the open position in the position, and the insertion position can be displaced between the first position and the second position in the open position. In the state where the insertion position is the second position in the main body shape and the open posture Having a rotating load bearing portion for receiving the rotating force around the pivot axis of Kifuta a housing case.

  According to the first aspect of the present invention, after the lid is opened, the relative position between the case body and the lid is displaced so that the insertion position of the swing shaft is changed from the first position to the second position in the opened position. A part of the lid is supported by the rotational load support portion of the case body. Therefore, even if the lid tries to swing in the closing direction by its own weight, the rotational load around the swing axis is received by the rotational load support portion, and the lid is maintained in the open posture. That is, it is possible to realize a housing case that can maintain the lid in an open posture without providing a movable part such as a refilling rod.

  According to a second aspect of the present invention, the lid has the elongated hole in an upper portion of the lid, and the main body shape allows the upper portion of the lid to slide inward of the case main body in the open posture. It is a storage case of 1st invention which is a shape which can displace the said insertion position from the said 1st position to the said 2nd position in the said open position by being a shape.

  According to the second invention, the relative position between the case body and the lid can be changed, that is, the insertion position can be displaced by a simple operation of swinging the lid upward and sliding the upper end portion inward of the case body. it can.

  According to a third aspect of the present invention, the rotational load support portion can be brought into contact with the upper portion when the insertion position is the second position in the open posture, and the upward movement of the upper portion is suppressed. Thus, the housing case according to the first or second invention is a contact portion that receives a rotational load around the swing axis of the lid.

  According to the third aspect of the invention, the lid is maintained in the open state by restricting the movement around the swing axis.

  4th invention is a storage case of 3rd invention by which the said rotational load support part is comprised as one part of the said main body shape.

  According to the fourth invention, since the rotational load support portion can be obtained by devising the shape of the case body, the manufacturing cost can be kept low.

  The fifth invention is the invention according to any one of the first to fourth inventions, wherein the first position is one end portion of the elongated hole in which the insertion position is the first position due to the weight of the lid in the closed posture. This is a storage case.

  According to the fifth aspect, since the insertion position naturally becomes the first position in the closed posture, workability can be improved.

  A sixth invention is the housing case according to any one of the first to fifth inventions, wherein the long hole is provided so that a longitudinal direction of the long hole is along a longitudinal direction of the lid portion.

  According to the sixth invention, since the direction of the displacement operation at the insertion position is along the longitudinal direction of the lid, it is easy to intuitively understand the operation for changing the relative position between the case body and the lid, that is, the displacement operation at the insertion position. . Therefore, the displacement operation can be learned immediately.

  A seventh invention is a housing case according to any one of the first to sixth inventions installed adjacent to a lamp box of a signal lamp, comprising a terminal block for wiring to a light emitting part of the lamp box, wherein the lamp box This is a housing case in which a hole for wiring is provided on a side surface adjacent to the housing.

  According to the seventh aspect, it is possible to realize a terminal box for a signal lamp that exhibits the effects of any one of the first to sixth aspects.

  The eighth invention is a housing case according to any one of the first to sixth inventions, which is a lamp box of a signal lamp.

  According to the eighth aspect of the invention, a signal container lamp box that exhibits the effects of any one of the first to sixth aspects of the invention can be realized.

The perspective external view of the signal lamp device of this embodiment. The exploded view of the signal lamp of this embodiment. It is an exploded view of a single light unit, Comprising: AA sectional drawing in FIG. The side view of the right side facing the front of a single light unit. The front view of a terminal box. The rear view of a terminal box. The side view of the right side toward the front of a terminal box. The side view of the left side toward the front of a terminal box. BB sectional drawing in FIG. 5 of a terminal box. The state transition diagram for demonstrating operation which opens a terminal box. The front view of the signal lamp device which shows an example at the time of applying this embodiment to the opening / closing structure of the lamp box of a signal lamp device.

  FIG. 1 is a perspective external view of a signal lamp device 10 of the present embodiment. FIG. 2 is an exploded view of the signal lamp 10.

  The signal lamp 10 according to the present embodiment is a three-lamp type signal lamp for road traffic, which connects three single lamp units 12 for each lamp color to the left and right, and a terminal box 16 at either end of the left or right. It has a connected configuration. The terminal box 16 is a housing case to which the present invention is applied, and incorporates a terminal block 20. The terminal block 20 connects an external signal line 22 from a traffic signal controller (not shown) and a relay cable harness 24 connected to the optical unit 13 of the single lamp unit 12.

  The three single lamp units 12 included in the signal lamp device 10 of the present embodiment have the same configuration except that the lamp colors are different from each other. That is, the single lamp unit 12 is roughly configured to include an optical unit 13 and a lamp box 14.

  The optical unit 13 is a light emitting unit that projects signal light in the front direction of the signal lamp 10. The optical unit 13 includes a plurality of LEDs that are light emitting elements, an electric circuit unit (specifically, a printed circuit board) for causing the light emitting elements to emit light, and a lens unit that collects or scatters light from the light emitting elements. And a protective cover are supplied as an assembly. The lens unit may also serve as a protective cover.

FIG. 3 is an exploded view of the single lamp unit 12, and is a cross-sectional view taken along the line AA of the single lamp unit 12 in FIG.
A cable harness 131 for inputting a signal from the outside to the electric circuit portion of the optical unit 13 is taken out from the back side of the optical unit 13. A waterproof connector 132 is attached to the tip. The waterproof connector 132 is paired with the waterproof connector 242 (see FIG. 2) of the relay cable harness 24, and the electrode of the cable harness 131 and the electrode of the relay cable harness 24 can be connected / disconnected freely. ing.

  The optical unit 13 is fitted into the bottomed recess 141 of the lamp box 14 and is fixed from the front side of the single lamp unit 12 by a mounting screw 136 via a waterproof packing 134.

  The bottomed recess 141 is a recess that opens to the front (front) side that is configured so that the optical unit 13 can be mounted and removed from the outside of the front surface, and defines an internal space on the back side of the mounted optical unit 13. Has a depth to be achieved. The bottomed recess 141 can be appropriately provided with a vent hole 141a and a drain hole 141b.

  The lamp box 14 is a main casing of the single lamp unit 12. It is an integrally molded product made of resin molded with a mold. Specifically, the lamp box 14 includes four outer peripheral walls (upper and lower outer peripheral walls 142, 143, and outer peripheral connecting walls 144 on the left and right sides) of a bottomed recess 141 that opens in the front direction of the signal lamp 10. The bottomed recess 141 is surrounded. And the opening edge part of the bottomed recessed part 141 and the front side edge part of four outer peripheral walls are connected with the front board part 145, and it has the structure reinforced with the reinforcement rib 146.

  The right and left connecting outer peripheral walls 144 can be said to be reinforcing wall portions for connecting to the single lamp unit 12 or the terminal box 16 of different lamp colors. The left and right connecting outer peripheral walls 144 have a configuration as shown in FIG. 4 symmetrically.

  Specifically, the left and right connecting outer peripheral walls 144 are respectively connected to the side plate portion 144a by 1) a connecting bolt hole 150 through which a connecting bolt for connecting to the lamp box 14 and the terminal box 16 of the other single lamp unit 12 is inserted. And 2) a support bolt hole 151 through which a support bolt for connecting and fixing to a lamp post after being integrated as a signal lamp 10, and 3) a relay cable harness 24 which is an electric wire connected to the optical unit. A harness insertion pipe part 147 that forms a pipe for passing through the bottomed concave part 141 (inner space of the lamp box) is provided.

  The harness insertion pipe portion 147 is appropriately provided with a waterproof packing or provided with a labyrinth structure for preventing rainwater from entering.

  Moreover, the harness insertion piping part 147 in the single lamp unit 12 connected to the right end when viewed from the front of the signal lamp 10 is appropriately sealed with a waterproof cap when the signal lamp 10 is assembled. Or it is good also as a structure which makes the outer exit of the harness insertion piping part 147 a semi-penetration state, and makes it the penetration state by the simple manual work before an assembly operation, or light processing about the single lamp unit 12 to connect. In this case, for example, the right side harness insertion pipe portion 147 in the single lamp unit 12 connected to the right end when viewed from the front of the signal lamp 10 configured as shown in FIG. .

  The “semi-penetrated state” referred to here refers to a state where the penetrating state can be achieved by easy manual work or light processing. For example, if it is used as it is, a state where a thin film that functions as a lid is formed, easy manual work such as pushing in and pulling out by hand, or light processing such as cutting with a cutter or lightly drilling into a penetrating state It is a state that can be done.

5 to 8 are a front view, a rear view, a right side view, and a left side view of the terminal box 16, respectively.
9 is a cross-sectional view taken along the line BB in FIG.

  The terminal box 16 has a housing body 161 of the terminal block 20, a lid 162, and a connecting portion 163 for connecting to the single lamp unit 12 in the case body 160, and the vertical direction at the time of installation is shown in FIGS. 1 and 5. It is determined to be the up and down direction. Case body 160 and lid 162 are each molded as a resin mold.

  As shown in FIGS. 5 and 9, the accommodation space 161 is a bottomed space that opens in the front direction of the signal lamp 10. A back wiring hole 173 for inserting the external signal line 22 (see FIG. 2) is opened on the back side inner surface (corresponding to the bottom of the bottomed space) of the housing space 161, and a wiring hole grommet 164 is attached. ing. Further, a side wiring hole 174 through which the relay cable harness 24 (see FIG. 2) is inserted is provided on the right side as viewed from the front of the accommodation space 161. When the terminal box 16 and the single lamp unit 12 are connected, the side wiring hole 174 is connected to the harness insertion piping part 147 (see FIGS. 3 and 4) of the connected single lamp unit 12, and the relay cable harness 24 is connected. The terminal box 16 can be pulled into the bottomed recess 141 of the single lamp unit 12.

  Note that the accommodation space 161 of the present embodiment is set smaller than the volume of the case body 160. Therefore, the ribs 160b are appropriately provided on the back side while appropriately reducing the weight by reducing the thickness from the back side, thereby maintaining the strength of the case body 160 itself (see FIGS. 6 and 9).

  As shown in FIGS. 5 and 9, the lid 162 is connected to the upper end portion of the case body 160 by a swing shaft 165 so as to be swingable. Specifically, an elongated hole 166 is provided in the upper part of the lid 162 along the longitudinal direction of the lid 162 (closed state in which the lid 162 is closed: the vertical direction in the state of FIGS. 5 and 9). A swinging shaft 165 provided in the left-right direction is inserted into the elongated hole 166 at the upper part on the front side of the case body 160 and pivotally supported.

The lid 162 is locked in a closed state with a patch lock 167 fixed to the lower surface of the case body 160. When opening the lid 162, the patch lock 167 is removed, and the lower end of the lid 162 is swung up.
Note that a waterproof packing or a waterproof structure is appropriately provided between the case main body 160 and the lid 162.

  As shown in FIGS. 5 and 7, the connecting portion 163 also serves as a right-side housing portion when facing the front of the case main body 160, and the connecting bolt hole 150 (see FIG. 4) of the single lamp unit 12 when connected upward and downward. A connection bolt hole 170 is provided opposite to the reference). Of course, the side wiring hole 174 is also opened in the accommodation space 161 facing the harness insertion piping part 147.

  In the present embodiment, since the vertical dimension of the case main body 160 is set smaller than the vertical dimension of the single lamp unit 12, the lower end portion of the connecting portion 163 extends downward from the case main body 160. Although designed, when the vertical dimensions of the case main body 160 and the single lamp unit 12 are matched, the extended portion may be omitted.

  The connecting portion 163 has the plate portion 163a as a base, and the outer periphery thereof and the boss portions of the connecting bolt hole 170 and the side wiring hole 174 are appropriately connected by ribs 163b. As a result, the case main body 160 has sufficient strength as a casing suitable for being integrally formed as a resin mold while reducing the weight.

  The structure for securing the strength while reducing the weight is the same for the left side portion of the case body 160 of the terminal box 16. That is, as shown in FIG. 8, since a support bolt hole 171 for inserting a support bolt for connecting the signal lamp device 10 to a column or the like is provided on the left side surface of the terminal box 16 in front of the terminal box 16, The outer periphery of the portion 160a is connected to the boss portion of the support bolt hole 171 by a rib 160b, and sufficient strength as a casing is ensured while achieving weight reduction.

Next, the opening / closing operation of the terminal box 16 will be described.
FIG. 10 is a state transition diagram for explaining an operation of opening the terminal box 16.
As shown in FIG. 10A, when the lid 162 is closed, the swing shaft 165 is inserted at one end side in the longitudinal direction of the long hole 166 (upper side in the state of FIG. 10A). . This insertion position is referred to as a “first position”.

  As shown in FIG. 10 (2), the patchon lock 167 is unlocked, and the lid 162 is opened by swinging it upward while holding the lid 162 while maintaining the engagement position, that is, the “open posture”. To.

  Then, as shown in FIG. 10 (3), the lid 162 is sufficiently swung up to the open position, and then the swinging shaft 165 is slid within the long hole 166, so that the swinging shaft 165 and the long hole 166 When the lid 162 is moved so as to change the insertion position to the other end side in the longitudinal direction of the long hole 166, the lid 162 can be locked in an open posture (in a swinged state). The insertion position at this time is referred to as a “second position”. The insertion position of the swing shaft 165 can be displaced between the first position and the second position in the closed posture.

  The case body 160 of the present embodiment is provided with a depression that can push the upper portion of the lid 162 from the front direction toward the rear direction obliquely below the swing shaft 165 (the rear side as viewed from the front). ing. This recess is referred to as a rotational load support portion 168. The concave shape of the rotational load support portion 168 is set so that it cannot be pushed in unless the lid 162 is swung up to the predetermined open position shown in FIG. The rotational load support portion 168 can be brought into contact with the upper portion of the lid 162 by setting the insertion position to the second position in the open posture, and the swinging shaft of the lid 162 can be prevented by suppressing the upward movement of the upper portion. A contact portion that receives a rotational load around 165.

  When the lid 162 is opened, and the lid 162 is slid inward of the case body so as to be pivotally supported in the second position, the pivot 162 side end of the lid 162 (the lower side in the state of FIG. 10 (3)) The upper end of the lid 162) fits into the recess of the rotational load support 168. Then, even if the worker removes his / her hand from the lid 162 and the lid 162 attempts to close with its own weight, the rotational load acting around the swing shaft 165 is supported by the depression of the rotational load support portion 168. That is, the upper portion of the lid 162 is prevented from moving upward, and the lid 162 is never closed.

  That is, the worker does not need to keep the lid 162 in an open posture with one hand while working, and can perform maintenance work such as electrical work and wiring work with both hands. In addition, what is necessary is just to work in this reverse order, when closing the lid | cover 162. FIG. In the closed posture, the insertion position becomes the first position due to the weight of the lid 162.

  As described above, according to the present embodiment, the lid 162 is provided with the long hole 166 through which the swing shaft 165 is inserted so that the insertion position can be displaced between the first position and the second position in the closed posture. Then, the case main body 160 enables the lid 162 to swing between the closed posture and the open posture in the state where the insertion position is the first position, and the insertion position is changed between the first position and the second position in the open posture. And a rotational load support portion 168 that receives a rotational load around the swinging shaft 165 of the lid 162 in a state where the insertion position is the second position in the open posture. Composed. For this reason, it is a housing case that opens and closes by swinging the lid 162 pivotally supported by the case body 160 upward, and the lid 162 is maintained in the open posture without providing a movable part that can maintain the lid 162 in the open posture. A possible storage case can be provided.

[Modification]
In addition, the form which can apply this invention is not restricted to the said embodiment, A component can be added, abbreviate | omitted, and changed suitably.

[Part 1]
For example, in the said embodiment, although it is set as the structure which attaches the terminal box 16 to the left end toward the front of the signal lamp device 10, it can also be set as the structure attached to the right end toward the front. In this case, the terminal box 16 may be designed symmetrically with the example of the above embodiment.

[Part 2]
Moreover, although the example which applied this invention to the terminal box 16 was shown in the said embodiment, it is also possible to apply to the lamp box 14B like the signal lamp device 10B shown, for example in FIG. In other words, the lamp box 14B, which has a predetermined vertical direction at the time of installation, is designed as a housing case that opens and closes by swinging the lid 149 pivotally supported by the case body 148 upward. The lid 149 is provided with a long hole similar to the long hole 166 of the lid 162 of the above embodiment, and the case body 148 is provided with the same parts as the swing shaft 165 and the rotational load support portion 168 of the above embodiment. What is necessary is just to provide (refer FIG. 9). In the example of FIG. 11, the lamp box 14 </ b> B has a structure including three optical units 13. However, as illustrated in FIGS. 1 and 2, the lamp box 14 </ b> B may be provided separately for each optical unit 13. Of course.

[Part 3]
Moreover, although the example which resin-molds the terminal box 16 was shown in the said embodiment, of course, the housing | casing case which can apply this invention including the terminal box 16 may be metal by sheet metal processing etc. In that case, the rotational load support portion 168 may be formed by extrusion, or another sheet metal part may be attached to the case body 160.

DESCRIPTION OF SYMBOLS 10, 10B ... Signal lamp 12 ... Single light unit 128 ... Case main body 129 ... Cover 13 ... Optical unit 131 ... Cable harness 132 ... Waterproof connector 134 ... Waterproof packing 136 ... Mounting screw 14 ... Light box 141 ... Bottomed concave part 142 ... Top surface Outer peripheral wall 143 ... Lower outer peripheral wall 144 ... Connection outer peripheral wall 145 ... Front plate part 146 ... Reinforcing rib 147 ... Harness insertion piping part 16 ... Terminal box 160 ... Case body 160a ... Plate part 160b ... Rib 161 ... Accommodating space 162 ... Lid 163: Connecting portion 164: Grommet for wiring hole 165: Oscillating shaft 166 ... Long hole 167 ... Patchon lock 168 ... Rotating load supporting portion 150 ... Connecting bolt hole 151 ... Supporting bolt hole 170 ... Connecting bolt hole 171 ... Supporting bolt hole 173 ... Back wiring hole 174 ... Side wiring hole 20 ... Terminal block 22 ... External signal line 24 ... Relay cable harness 242 ... Waterproof connector

Claims (8)

The lid pivotally supported by the left / right swing shaft provided on the case body is swung upward from a closed position (hereinafter referred to as “closed position”) to an open position (hereinafter referred to as “open position”). An opening-and-closing storage case in which the vertical direction during installation is determined to expose the opening,
The lid is
A long hole through which the swing shaft is inserted so that the swing position is displaceable between a first position on the upper side and a second position on the lower side in the closed posture;
Have
The case body is
The lid can be swung between the closed position and the open position with the insertion position at the first position, and the insertion position is the first position and the second position in the open position. A body shape that can be displaced between
A rotational load support portion that receives a rotational load around the swing axis of the lid in a state where the insertion position is the second position in the open posture;
Having
Containment case. The lid has the elongated hole in the upper part of the lid,
The main body shape is a shape that allows the upper portion of the lid to slide inward of the case main body in the open posture, and the insertion position is changed from the first position to the second position in the open posture. The shape is displaceable to
The storage case according to claim 1. The rotational load support portion can be brought into contact with the upper portion by setting the insertion position to the second position in the open posture, and the upper portion of the lid can be prevented from moving upward by suppressing the movement of the upper portion. A contact portion that receives a rotational load around the swing axis.
The storage case according to claim 1 or 2. The rotational load support portion is configured as one part of the main body shape,
The storage case according to claim 3. The first position is one end of the elongated hole where the insertion position is the first position due to the weight of the lid in the closed posture.
The storage case as described in any one of Claims 1-4. The long hole is provided so that the longitudinal direction of the long hole is along the longitudinal direction of the lid,
The storage case as described in any one of Claims 1-5. The storage case according to any one of claims 1 to 6, which is installed adjacent to a light box of a signal lamp,
Built-in terminal block for wiring to the light emitting part of the light box,
Holes for wiring were provided on the side surface installed adjacent to the light box,
Containment case.   The housing case according to any one of claims 1 to 6, which is a lamp box of a signal lamp.

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