JP3662410B2 - head lamp - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to f Ddoranpu.
[0002]
[Prior art]
Since the headlamp is free to use both hands and the illumination range moves in the direction of the head, it is useful as a lamp suitable for leisure use such as mountain climbing and night fishing and work use such as night construction. Since the flashlights including the headlamps are frequently used outdoors, there are many cases in which water is splashed when they must be used in the rain or when used in fishing or fishing. For this reason, flashlights including headlamps employ a waterproof structure that is water-proof so that water does not easily enter the interior.
[0003]
[Problems to be solved by the invention]
However, the waterproof structure of the life waterproof level cannot withstand the use in water, so it has not been possible to meet the demand for using a headlamp in scuba diving. If the headlamp is configured with a completely waterproof structure that can be used underwater, it can meet the requirements of an underwater headlamp, but the waterproof structure does not increase the weight or increase the size. It will be limited to a special use like the product which exists as an underwater lamp. Any structure that can be used underwater can be used on land as a matter of course, and as a general underwater headlamp, the convenience of use on land must also be considered. Especially for a headlamp, its weight and size need to be a structure that is not inconvenient for use on land.
[0004]
An object of the present invention is to provide a headlamp that can be easily constructed with a waterproof structure and that is convenient for use while suppressing an increase in weight and size.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides a main body case in which a battery housing portion and a light projecting portion are integrally formed, and a holding angle around a post-cylinder center of the main body case is set on a holding member to which a binding belt is attached. A headlamp connected in an adjustable manner, wherein the main body case has a cylindrical battery housing part having a wall surface at one end and an open end at the other end, and above and forward from the center part in the cylinder center direction of the battery housing part. A projecting portion extending to the battery, and an open end of the battery housing portion is used as a battery replacement opening, and a bottomed cylindrical lid for opening and closing the battery replacement opening is disposed in the battery replacement opening. A rotating manipulation knob having a bottomed cylindrical shape is rotatably disposed at the one end of the housing portion, and penetrates the wall surface between the movable contact of the switch provided inside the main body case and the rotation manipulation knob. Connected with a rotating shaft to arrange a bean ball in the light projecting part, A lens cap is provided in the light projecting opening of the light section, the battery is housed in the battery housing section, the battery and the bean ball are electrically connected via the movable contact, and the rotation operation knob is rotated. By operation, it is comprised so that the electrical connection between a battery and a bean ball can be turned ON / OFF .
[0006]
According to this configuration, the main body case has an integrated structure with no opening other than the opening for battery replacement, the opening for light projection, and the opening through which the rotation shaft for the switch operation of the rotary operation knob opens. is configured as, each opening, respectively it lid, cover lens, because it is closed by the wall surface and the rotation operation knob, it is easy to make the main body case and the waterproof structure. Housing the beans sphere light projecting portion of the main body case is composed Lilla pump by to accommodate the batteries in the battery holder further retaining member and the main body case binding belt to the head mounted In addition, a headlamp that is convenient to use can be provided by connecting the holding angle of the main body case around the cylinder center of the battery housing in an adjustable manner.
[0007]
And have you above configuration, by combining the battery replacement opening a lid waterproof fitting structure, the rotary shaft is passed through by providing a waterproof structure in the wall, waterproof and opening the lens cap floodlight By adopting a configuration in which the fitting structure is combined, a waterproof headlamp can be configured.
[0008]
In addition, a fixed contact that contacts the movable contact of the switch, a connection plate that makes sliding contact with the contact piece connected to the mini ball, and a battery holding portion that electrically connects and holds a required number of batteries in a predetermined position. The battery, the bean ball, and the movable contact are electrically connected to each other by inserting the battery holder with the battery replacement opening into the battery housing, and the battery holder is inserted into and removed from the battery replacement opening. Can be configured to exchange. According to this configuration, since the battery can be loaded in the battery holder and accommodated in the main body case, not only the battery can be easily loaded when using a plurality of batteries, but also the reverse loading of the battery, etc. It is difficult to make mistakes. Moreover, since the fixed contact of the switch is provided in the battery holder and the connection plate for connecting to the mini ball is also provided, the number of components for electrical connection provided in the main body case can be reduced. Furthermore, it is not necessary to reduce the opening diameter of the battery replacement opening and at the same time to provide a structure for electrical connection to the lid that closes the opening, so that a waterproof structure can be easily constructed.
[0009]
Further, the connection between the holding member and the main body case can be configured by using a holding angle adjusting mechanism that can change the holding angle stepwise. Since the lamp is not completely fixed to the head in the headlamp, when the vertical projection angle is set to the optimum angle, if the holding angle can be adjusted continuously, the angle can be adjusted. The angle is likely to deviate between when the operation is performed and when the operation is released, and it takes time to set the angle. However, if the holding angle can be changed step by step, it will be held at the changed holding angle. Thus, the optimum angle can be set quickly, and the convenience of use in water where the degree of freedom of operation is particularly low can be achieved.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings for understanding of the present invention. The following embodiment is an example embodying the present invention, and does not limit the technical scope of the present invention.
[0011]
FIG. 1 shows an external configuration of an underwater headlamp according to an embodiment of the present invention, in which a battery housing portion 1a formed in a cylindrical shape and a light projecting portion 1b housing a bean ball 4 are integrally formed. The main body case 1 has a rotation operation knob 6 for turning on / off the lighting of the bean bulb 4 by rotating to one end side of the battery housing 1a, and a battery cap (lid) for closing the battery replacement opening on the other end side. Body) 5, and the front opening of the light projecting portion 1 b is closed by a lens cap 3 having a reflecting mirror and a lens. The main body case 1 is connected to a mounting holder (holding member) 2 to which a binding belt 7 for mounting on the head is attached so that the holding angle can be adjusted. The binding belt 7 is configured such that the binding diameter to the head can be adjusted by the length adjuster 13.
[0012]
The battery cap 5 and the lens cap 3 are configured to be attached to the main body case 1 by a screwed structure so that the opening of the main body case 1 can be closed. As shown in FIG. When screwed from 1, the battery holder 8 accommodated in the main body case 1 can be taken out, and the battery 9 can be replaced. Further, when the lens cap 3 is unscrewed from the main body case 1, the bean ball 4 mounted in the light projecting portion 1b can be taken out, and can be replaced when disconnected. In the light projecting unit 1b, a holding unit for the replacement bean bulb 4a is provided, and the bean bulb 4 can be quickly replaced by providing the replacement bean bulb 4a.
[0013]
Next, the detailed structure of each component will be described. FIG. 3 is a plan view (a) and a front view (b) showing a state in which the binding belt 7 of the underwater headlamp is removed. The structure of the main body case 1 and the arrangement configuration of each component housed in the main body case 1 are shown by the AA arrow cross section, the BB line arrow cross section, and the CC line arrow cross section shown in FIG. Will be described. These drawings show a state in which the light projection angle is changed by rotating the main body case 1 by approximately 90 degrees from the light projection angle in the state shown in FIGS. 1 and 2, and the light projection angle is within this range. Can be adjusted step by step.
[0014]
FIG. 4 shows a configuration of the main body case 1 and is shown as a cross-sectional view taken along the line C-C shown in FIG. The main body case 1 is provided with a switch operating opening 21 on the wall surface 71 on one end side of the battery housing portion 1a and a battery replacement opening 23 on the other end side, and is integrated with the central portion of the battery housing portion 1a. The light projecting portion 1b is formed with a light projecting opening 22 and is formed by resin molding. Further, a male screw portion 23a is formed on the outer periphery of the battery replacement opening 23 at the position where the battery cap 5 that closes the battery replacement opening 23 is screwed. On the side, an O-ring mounting groove 20 for mounting an O-ring 10 for constituting a waterproof structure is formed in the circumferential direction, and a light-projecting opening is provided in an inner peripheral portion provided with the light-projecting opening 22. A female screw portion 22a is formed in which the lens cap 3 is closed by closing the portion 22 by a screwing structure. Further, on both sides of the battery housing portion 1a formed in a cylindrical shape, connection grooves 35 and 36 for rotatably connecting to the mounting holder 2 are formed in the circumferential direction. Furthermore, bosses 25 and 25 provided with self-tapping holes for attaching a member for holding a bean ball 4, a connecting piece or the like disposed in the light projecting portion 1 b are formed at the deep position of the light projecting portion 1 b. ing.
[0015]
FIG. 5 shows a connection relationship between the battery housing portion 1a of the main body case 1 having the above-described configuration and each component, and is shown as a cross-sectional view taken along line AA shown in FIG. The battery replacement opening 23 is formed by inserting the battery holder 8 loaded with the battery 9 from the battery replacement opening 23 and screwing the female screw portion of the battery cap 5 into the male screw portion 23a formed at the outer peripheral position. Closed. At this time, since the O-ring 10 for battery cap is mounted in the O-ring mounting groove 20 of the battery housing portion 1a, when the battery cap 5 is screwed, the space between the battery cap 5 and the battery housing portion 1a is A waterproof structure sealed by the battery cap O-ring 10 is configured. Further, the battery holder 8 housed in the battery housing portion 1a is pressed by closing the battery replacement opening 23 by the battery cap 5, and the fixed contact 11 provided on one end side of the battery holder 8 is battery housing. It contacts the movable contact 12 of the switch provided on one end side of the portion 1a.
[0016]
The switch includes a rotation operation knob 6 including one end side of the battery housing portion 1a so as to be slidably rotatable from the outside, and a switch plate 16 disposed on the inner side of one end side of the battery housing portion 1a. By connecting through the opening 21 for operation (refer FIG. 4), it is comprised as a switch provided with the waterproof structure. A projecting portion 6a is formed at the center position of the rotating operation knob 6. A switch O-ring 15 is attached to the outer peripheral portion of the projecting portion 6a and fitted into the switch operating opening 21, and the switch plate 16 is connected to a connecting screw. 14 is connected to the projecting portion 6a so that the turning operation knob 6 and the switch plate 16 are integrally connected. By turning the turning operation knob 6, the switch plate 16 can be turned. . A movable contact 12 that contacts the fixed contact 11 provided on the battery holder 8 is attached to the switch plate 16, and the switch plate 16 is rotated by the rotation operation of the rotation operation knob 6. The contact with the fixed contact 11 can be turned ON / OFF. As described above, the switch operation opening 21 is closed by the waterproof structure by the connection of the movable part including the switch O-ring 15.
[0017]
In the switch structure having a waterproof structure, the switch operating opening 21 is closed with an elastic material made of a rubber-based material, and a push button type switch disposed in the main body case 1 is operated from outside by separating the elastic material. However, since it is an indirect operation, the operational feeling of ON / OFF switching is not clear. Since the operation feeling of ON / OFF switching becomes clear by the rotation operation of the rotation operation knob 6 as in this configuration, the operation in the water or the hand with the glove attached is reduced. Even in this case, the switching operation can be easily performed.
[0018]
FIG. 6 shows a coupling relationship between the light projecting portion 1b of the main body case 1 and each component, and is shown as a cross section taken along line B-B shown in FIG. In the light projecting portion 1b, a bean ball 4 and a holding member 29 for holding contact pieces 27, 27 for connecting the bean ball 4 to the battery holder 8 are disposed. The holding member 29 is a boss formed in the main body case 1. 25 (see FIG. 4). The contact pieces 27, 27 are exposed at one end in the battery housing portion 1 a and are elastically brought into contact with the connection plates 28, 28 provided on the battery holder 8 to make an electrical connection, respectively. One of them is elastically contacted with the center terminal of the bean ball 4 by the spring structure, and the other is elastically contacted with the base part of the bean ball 4 by the spring bias, and the battery 9 and the bean ball 4 are electrically connected. Connecting.
[0019]
The light projecting opening 22 of the light projecting unit 1b is closed by the lens cap 3 in which the reflecting mirror 17, the lens 18, and the front base 19 are integrally assembled. The lens 18 is configured to be screwed into a female screw portion 22a formed on the inner peripheral portion of the light projecting opening 22, and a male screw portion 18a, an O-ring mounting groove 30, and the like are formed on the outer peripheral portion thereof. Is formed. The lens 18 is molded into a circular container shape using a transparent resin, a reflecting mirror 17 having a reflective surface formed by metal plating is bonded to the inside thereof, and a front base 19 molded from a soft resin is bonded to the outside. Yes. Needless to say, the reflecting mirror 17 condenses the light of the bean sphere 4, and the front base 19 reinforces the waterproof structure of the projection opening 22 having a large opening area and impacts the lens cap 3 by the elasticity of the soft resin. To protect against.
[0020]
When the lens cap 3 having the above-described configuration is screwed into the light projecting opening 22, the waterproof structure that closes the light projecting opening 22 by the lens cap O ring 26 mounted in the O ring mounting groove 30 of the lens 18. In addition, since the inner peripheral surface of the front base 19 formed of a soft resin is in close contact with the outer peripheral surface of the light projecting opening 22, the waterproof structure is strengthened. The lens cap 3 is normally in a state in which the light projecting opening 22 is closed, and is screwed off from the light projecting unit 1b when the bean ball 4 is replaced.
[0021]
Next, the configuration of electrical connection of components for light emission housed in the main body case 1 formed in the waterproof structure as described above will be described.
[0022]
FIG. 7 shows the battery holder 8 loading side (a), the opposite side (c), the side surface (b), and the side surface (d) viewed from the direction D shown in FIG. It is shown. As shown in FIG. 7 (a), battery holders 31 are formed in four locations so that four AA batteries 9 can be loaded in the battery holder 8, and each two loaded in the longitudinal direction. The batteries 9 and 9 are connected in series by a series connection terminal 32 disposed at an intermediate position. On the switch connection side 8a of the battery holder 8, an anode terminal 33a and a cathode terminal 34a are attached and contact the anode and cathode of the batteries 9 and 9, respectively. The anode terminal 33a and the cathode terminal 34a are As shown in FIG. 7 (b), the extension ends are exposed, and as shown in FIG. 7 (d), the extended end sides are exposed on the side surfaces of the switch connection side 8a as fixed contacts 11 and 11 of the switch, respectively. Further, a cathode terminal 35a and an anode terminal 36a are attached to the bean ball connection side 8b of the battery holder 8, and are in contact with the cathodes and anodes of the batteries 9 and 9, respectively. The cathode terminal 35a and the anode terminal 36a Is formed as an extension as shown in FIG. 7 (b), and as shown in FIG. 7 (c), the extension end side thereof is connected to the opposite side of the battery holder 8 as connection plates 28 and 28, respectively. When the battery holder 8 is inserted into the main body case 1, as shown in FIG. 6, the contact pieces 27, 27 connected to the bean ball 4 come into contact to electrically connect the battery 9 to the bean ball 4.
[0023]
FIG. 8 is a wiring diagram showing the electrical connection relationship between the battery holder 8 and the bean ball 4 and the movable contact 12 of the switch. When the battery holder 8 loaded with the battery 9 is inserted into the main body case 1 through the battery replacement opening 23 and the battery cap 5 is closed, the connection plates 28 and 28 and the contact pieces 27 and 27 are contact-connected. A battery 9 is connected to the bean ball 4. However, since the intermediate connection point where the four batteries 9 are connected in series is separated by the fixed contacts 11, 11, the series connection circuit is between the fixed contacts 11, 11 when the rotation operation knob 6 is in the OFF position. The ball 4 is not lit because it is blocked by. When the turning operation knob 6 is turned to the ON position, the fixed contacts 11 and 11 are connected by the movable contact 12 on the switch plate 16 connected to the turning operation knob 6, and the series connection circuit is closed. The bean ball 4 is lit.
[0024]
Next, a connection structure between the main body case 1 and the mounting holder 2 will be described with reference to FIGS.
[0025]
As shown in FIG. 9 (a), the mounting holder 2 includes a base 37 that abuts the front head by being bound to the head by a binding belt 7 connected to belt through holes 39, 39, and FIG. b) As shown in (c), U-shaped rings 33, 34 that slidably fit into left and right connecting grooves 35, 36 formed in the main body case 1 and connect the main body case 1 to the base 37. And is configured. The base 37 has concave portions 45 and 46 into which the fixing projections 40 and 41 formed on the U-shaped ring 33 are inserted, and concave portions 47 and 48 into which the fixing projections 42 and 43 formed on the U-shaped ring 34 are inserted. Is provided.
[0026]
Unlike the other recesses 45, 46, 47, only the recess 48 is provided with a recess 48 a for accommodating the locking spring projection 38. Further, a rotation position restricting projection 44 is formed between the concave portions 45 and 46 on the U-shaped ring 33 side of the base 37.
[0027]
FIG. 10 shows an assembly diagram in which the main body case 1 is connected by the mounting holder 2 configured as described above, and the main body case 1 is shown as a rear view. On the back side of the connecting grooves 35, 36 formed in the left and right circumferential directions of the main body case 1, the rotation restricting protrusions 44 formed in the mounting base 37 are fitted in the connecting grooves 35 as shown in the figure. A sawtooth-shaped portion 50 with which the locking spring protrusion 38 abuts is formed in the fitting rotation restricting recess 49 and the connecting groove 36. As shown in the figure, the U-shaped rings 33 and 34 are fitted into the connecting grooves 35 and 36 of the main body case 1, respectively, and the fixing protrusions 40 to 43 of the U-shaped rings 33 and 34 are respectively connected to the recesses 45 of the mounting base 37. The U-shaped rings 33 and 34 are fixed to the mounting base 37 through the tapping screws 52 from the screw holes 51 provided at the bottoms of the recesses 45 to 48. As the U-shaped rings 33 and 34 are fixed to the mounting base 37 in this way, the main body case 1 held by the U-shaped rings 33 and 34 is connected to the mounting base 37.
[0028]
The main body case 1 is rotatably connected on the mounting base 37, and the rotation restricting projection 44 of the mounting base 37 is fitted in the rotation restricting recess 49 formed in the connecting groove 35. Therefore, the rotation of the main body case 1 can be performed within the range in which the rotation restricting recess 49 is formed. That is, as shown in FIG. 11, with respect to the mounting base 37 fixed to the head 55, the main body case 1 can be rotated by approximately 90 degrees from the angle projected in the front direction to the angle projected downward. It is configured. This rotation of the projection angle range is caused by the engagement of the locking spring protrusion 38 mounted on the mounting base 37 with the saw-tooth shaped portion 50 formed on the connecting groove 36 side, thereby forming a sawtooth-shaped formation pitch. Can be changed step by step. Since the lamp is not completely fixed to the head in the headlamp, when the projection angle is set to a desired angle, the angle can be adjusted if the holding angle can be continuously adjusted. The angle is likely to be shifted between when the operation is released and when the operation is released, and it takes time to set the angle. However, the rotation spring of the locking spring protrusion 38 that fits into the recess of the sawtooth-shaped portion 50 for each change angle. By stopping, the holding angle can be changed step by step, and the main body case 1 is held at the changed holding angle, so that the optimum angle can be quickly set, and the degree of freedom of operation is particularly reduced. It is possible to use it underwater.
[0029]
As shown in FIGS. 5 and 10, the mounting base 37 that contacts the head is attached with a cushion material 53 at the contact portion with the head to prevent buffering and displacement during contact. Yes.
[0030]
【The invention's effect】
As described above, according to the present invention, a waterproof structure can be easily constructed, and a headlamp that is convenient for use while suppressing an increase in weight and size can be provided .
[Brief description of the drawings]
Perspective view showing an external configuration of the engagement Ruhe Ddoranpu to the embodiment of the present invention; FIG.
FIG. 2 is an exploded perspective view showing the configuration of the headlamp according to the embodiment.
3A is a plan view of a headlamp, and FIG. 3B is a front view thereof.
4 is a cross-sectional view showing the configuration of the main body case in a cross-sectional view taken along the line CC in FIG. 3;
FIG. 5 is a cross-sectional view showing the configuration inside the battery housing section in a cross section taken along line AA in FIG. 3;
6 is a cross-sectional view showing the configuration inside the light emitting unit in a cross section taken along line BB in FIG. 3;
7A is a plan view, FIG. 7B is a side view, FIG. 7C is a rear view, and FIG. 7D is a side view from the D direction.
FIG. 8 is a wiring diagram showing an electrical connection relationship.
9A is a plan view, FIG. 9B is a left side view, and FIG. 9C is a right side view showing the configuration of the mounting base.
FIG. 10 is an assembly diagram for connecting the mounting base and the main body case.
FIG. 11 is a side view for explaining a change in light projection angle.
[Explanation of symbols]
1 Body case 2 Mounting holder (holding member)
3 Lens cap 4 Bean ball 5 Battery cap (lid)
6 Rotating Operation Knob 7 Bundling Belt 8 Battery Holder 9 Battery 10 Battery Cap O-ring 11 Fixed Contact 12 Movable Contact 14 Connection Screw 15 Switch O-ring 17 Reflector 18 Lens 21 Switch Operation Opening 22 Light Projecting Opening 23 Battery replacement opening 26 Lens cap O-ring 27 Contact piece 28 Connection plate 31 Battery holder 33, 34 U-shaped ring 35, 36 Connection groove 38 Spring protrusion 44 Locking restriction protrusion 49 Turning restriction Recess 50 Sawtooth shape
71 wall surface

Claims (4)

A headlamp in which a battery case and a light projecting unit are integrally formed, and a headlamp that is connected to a holding member to which a binding belt is attached, so that a holding angle around a cylinder core can be adjusted.
The main body case has a cylindrical battery housing part having a wall surface at one end and the other end opened, and a light projecting part extending upward and forward from the center part in the cylinder center direction of the battery housing part. ,
The open end of the battery housing portion is used as a battery replacement opening, and a bottomed cylindrical lid that opens and closes the battery replacement opening is disposed in the battery replacement opening.
A rotating operation knob having a bottomed cylindrical shape is rotatably disposed at the one end of the battery housing portion, and the wall surface is provided between the movable contact of the switch provided inside the main body case and the rotation operation knob. Connected by a rotating shaft that penetrates,
A bean ball is disposed in the light projecting part, and a lens cap is provided in the light projecting opening of the light projecting part.
The battery is accommodated in the battery accommodating part,
The battery and the bean ball are electrically connected via the movable contact, and the electric connection between the battery and the bean ball can be turned on / off by the turning operation of the rotation operation knob. A headlamp characterized by that. The battery replacement opening and the lid are coupled with a waterproof fitting structure, the rotating shaft is provided with a waterproof structure on the wall surface, and the light projecting opening and the lens cap are coupled with a waterproof fitting structure. The headlamp according to claim 1, wherein: A fixed contact that contacts the movable contact of the switch, a connection plate that makes sliding contact with a contact piece connected to the bean ball, and a battery holding portion that electrically connects and holds a required number of batteries in place. By inserting the battery holder into the battery housing part from the battery replacement opening, the battery is electrically connected to the bean ball and the movable contact . The battery holder is inserted into and removed from the battery replacement opening to replace the battery. The headlamp according to claim 1 or 2, wherein the headlamp is configured as described above . The headlamp according to any one of claims 1 to 3, wherein the connection between the holding member and the main body case includes a holding angle adjusting mechanism that can change the holding angle stepwise .

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