CN102997065B - Portable light-emitting diode (LED) lamp - Google Patents
Portable light-emitting diode (LED) lamp Download PDFInfo
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- CN102997065B CN102997065B CN201110267941.8A CN201110267941A CN102997065B CN 102997065 B CN102997065 B CN 102997065B CN 201110267941 A CN201110267941 A CN 201110267941A CN 102997065 B CN102997065 B CN 102997065B
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Abstract
The invention belongs to the technical field of production of lighting lamps and provides a portable LED lamp. The portable LED lamp comprises a lamp tail casing, a lamp cylinder, a reflecting cup, a light source component, a battery and a tail cover, wherein the light source component is composed of a light source driving part and a light-emitting assembly, a focusing ring which can rotate relative to the lamp tail casing and the lamp cylinder is arranged between the lamp cylinder and the lamp tail casing, a telescopic component is arranged on the focusing ring, a nut base which can be matched with an external thread of the rear end portion of the telescopic component is arranged inside the focusing ring, the front end portion of the telescopic component is matched with the lamp cylinder in a telescopic mode, the light-emitting assembly is arranged on the front end portion of the telescopic component, a terminal of the battery, which is connected with a printed circuit board (PCB) of the light source driving part, is an elastic terminal, and a buffer component is arranged between the battery and the tail cover. According to the portable LED lamp, focusing can be achieved through a set of light sources, condensation and floodlight effects can be achieved, the light source utilization ratio can be improved, and the portable lamp is high in falling-resistant performance and high in reliability.
Description
Technical field
The invention belongs to lighting production technical field, more particularly, relate to a kind of LED portable lamp.
Background technology
Existing general LED portable lamp, the principle that realizes focusing is to have used two cover light sources, such as a set of light source has spotlight effect, a set of light source has floodlight effect, switches with switch.Such light fixture cost is high, and light source utilization rate is low, switches cumbersomely, and can not realize electrodeless adjusting.Moreover, existing portable lamp is all that inelastic contact terminal and PCB directly weld at the terminal of source ends and battery connection, and directly contact with battery, and only adopt flexible terminal to contact with battery at torch tail-hood end, this design is in the time making drop test, because battery self has certain weight, its concussion fracture power is larger, so the battery terminal that is very easy to cause the terminal of PCB end to be severed with tail-hood end is hit distortion.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of LED portable lamp, be intended to can realize focusing by a set of light source, reach the effect of optically focused and floodlight, thereby improve light source utilization rate, the anti-ability of hitting of falling that is simultaneously also intended to improve light fixture, guarantees its dependability.
For solving the problems of the technologies described above, the technical scheme of employing of the present invention is: a kind of LED portable lamp is provided, comprise that a lamp tail shell, is located at lamp cylinder on described lamp tail shell, is located at a reflector and light source part in described lamp cylinder, is located at the tail-hood of described lamp tail shell rear end and is located at the battery in described lamp tail shell, described light source part comprises a light source actuator, a luminescence component;
Between described lamp cylinder and described lamp tail shell, being also arranged with one can be with respect to the focusing ring of described lamp tail shell and the rotation of described lamp cylinder;
On described focusing ring, be also provided with an extensible member;
Described extensible member has a leading section and a rearward end, and described rearward end is provided with external screw thread, is provided with the nut seat that can match with the rearward end external screw thread of described extensible member in described focusing ring, and the leading section of described extensible member is flexible with described lamp cylinder and coordinates; Described luminescence component is arranged at the leading section of described extensible member;
The terminal that described battery is connected with the PCB of described light source actuator is a flexible terminal, between described battery and described tail-hood, is provided with a buffer unit.
Further, described focusing ring inner side is provided with a dowel along a diametric(al), and described nut seat is arranged at the center of described focusing ring by described dowel.
Further, the leading section of described extensible member is square, in described lamp cylinder, is provided with a gripper shoe, is provided with a square hole matching with the leading section of described extensible member in described gripper shoe.
Further, described luminescence component comprises an aluminium base and at least one LED lamp, and described aluminium base is located at the leading section of described extensible member, and described LED lamp is located on described aluminium base.
Further, the front end of described lamp cylinder is also provided with a lamp head shell and a Transparent Parts, described Transparent Parts is fixed in described lamp head shell by a hold-down ring, and described lamp head shell is connected with described lamp cylinder, and described reflector is pressed between described hold-down ring and described lamp cylinder.
Further, between described lamp head shell and described Transparent Parts, be also provided with one first seal, junction at described lamp head shell and lamp cylinder is provided with the second seal, be provided with the 3rd seal in the junction of described focusing ring and described lamp cylinder, be provided with the 4th seal in the junction of described focusing ring and described lamp tail shell.
Further, described lamp tail shell is connected by least two stock screws with described lamp cylinder.
Further, described flexible terminal between the PCB of described battery and described light source actuator is spring thimble structure, its there is the top end cover that a base, can slide up and down and be fettered by described base laterally and can not deviate from the cavity of described base and be located at described base and described top end cover between spring.
Further, between described battery and the PCB of described light source actuator, be also provided with a position limiting structure.
Preferably, the described buffer unit between described battery and described tail-hood is a rubber blanket.
The beneficial effect of LED portable lamp provided by the invention is: compared with prior art, this LED portable lamp need not adopt two circuits to switch in switch designs, only need to adopt a set of light source, coordinate extensible member to adjust the position of light source with respect to reflector by rotating focusing ring, thereby realize the change of light emitting anger angle, reach optically focused and floodlight effect, and can step-less adjustment, like this, not only light source utilization rate is high, uses also very convenient; Secondly, all used sealing ring sealing at each connecting portion, sealing effectiveness can reach IP65 level, and sealing effectiveness is better, of many uses; Moreover; battery is made as flexible terminal with the terminal that the PCB of light source actuator is connected; between battery and tail-hood, be provided with buffer unit; make the battery in portable lamp obtain buffer protection; be subject to terminal that larger shock is also difficult for PCB end is severed and is hit distortion with the battery terminal of tail-hood end even if portable lamp is fallen; thereby solve the bad problem that falls, guaranteed the reliability of portable lamp.
Accompanying drawing explanation
The explosive decomposition structural representation one of the LED portable lamp that Fig. 1 provides for the embodiment of the present invention;
The explosive decomposition structural representation two of the LED portable lamp that Fig. 2 provides for the embodiment of the present invention;
The assembling perspective view of the LED portable lamp that Fig. 3 provides for the embodiment of the present invention;
The longitudinally cross-sectional view of center line of LED portable lamp that Fig. 4 provides for the embodiment of the present invention;
The LED portable lamp Elastic terminal that Fig. 5 provides for the embodiment of the present invention face structural representation;
The cross-sectional view of the LED portable lamp Elastic terminal that Fig. 6 provides for the embodiment of the present invention;
The perspective view one of extensible member in the LED portable lamp that Fig. 7 provides for the embodiment of the present invention;
The perspective view two of extensible member in the LED portable lamp that Fig. 8 provides for the embodiment of the present invention;
The perspective view of focusing ring in the LED portable lamp that Fig. 9 provides for the embodiment of the present invention;
The perspective view of lamp cylinder in the LED portable lamp that Figure 10 provides for the embodiment of the present invention;
The luminous intensity distribution schematic diagram one of the LED portable lamp that Figure 11 provides for the embodiment of the present invention;
The luminous intensity distribution schematic diagram two of the LED portable lamp that Figure 12 provides for the embodiment of the present invention.
The specific embodiment
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Please with reference to Fig. 1 to Fig. 4, Fig. 7 to Fig. 9, now LED portable lamp provided by the invention is described.First refer to Fig. 1 to Fig. 3, described LED portable lamp, comprise lamp tail shell 1, be located at lamp cylinder 2 on described lamp tail shell 1, be located at reflector 3 and light source part in described lamp cylinder 2, be located at the tail-hood 11 of described lamp tail shell 1 rear end and be located at the battery 12 in described lamp tail shell 1, described light source part comprises light source actuator 5, luminescence component 4, is also arranged with the focusing ring 6 that can rotate with respect to described lamp tail shell 1 and described lamp cylinder 2 between described lamp cylinder 2 and described lamp tail shell 1; On described focusing ring 6, be also provided with extensible member 7; Described extensible member 7 has leading section 71 and rearward end 72, described rearward end 72 for cylindric, which is provided with external screw thread, in described focusing ring 6, be provided with the nut seat 60 that can match with the rearward end of described extensible member 7 72 external screw threads, see Fig. 7; The leading section 71 of described extensible member is flexible with described lamp cylinder 2 and coordinates, and can not relatively rotate each other, and described luminescence component 4 is arranged at the leading section 72 of described extensible member 7; The terminal that described battery 12 is connected with the PCB of described light source actuator 5 is a flexible terminal 13, is provided with a buffer unit 14, referring to Fig. 4 between described battery 12 and described tail-hood 11.In the present embodiment, because the leading section 71 of extensible member 7 is not rotatable with respect to lamp cylinder 2, but can be elastic, and the external screw thread of extensible member 7 rearward end 72 and be located at nut seat 60 interlocks in focusing ring 6, in the time rotating focusing ring 6, extensible member 7 just can only be elastic with respect to lamp cylinder 2, the circular-rotation of focusing ring 6 is just transformed into seesawing of extensible member 7 like this, be located at extensible member 7 foremost the luminescence component 4 of portion 71 just seesaw with respect to the reflector 3 being fixed in lamp cylinder 2, so, the light reflecting away can be realized the variation of beam angle, realize focus effect.
LED portable lamp provided by the invention, need in switch designs, not adopt two circuits to switch, only need to adopt a set of light source, coordinate extensible member 7 to adjust the position of luminescence component 4 with respect to reflector 3 by rotating focusing ring 6, thereby realize the change of light emitting anger angle, reach optically focused and floodlight effect, and can step-less adjustment, like this, not only light source utilization rate is high, uses also very convenient; Moreover; the terminal that battery 12 is connected with the PCB of light source actuator 5 is made as flexible terminal 13; between battery 12 and tail-hood 11, be provided with buffer unit 14; make the battery 12 in portable lamp obtain buffer protection; be subject to terminal that larger shock is also difficult for PCB end is severed and is hit distortion with the battery terminal of tail-hood 11 ends even if portable lamp is fallen; thereby solve the bad problem that falls, guaranteed the reliability of portable lamp.
Further, refer to Fig. 9, as a kind of specific embodiment of LED portable lamp provided by the invention, described focusing ring 6 inner sides are provided with a dowel 61 along a diametric(al), and described nut seat 60 is arranged at the center of described focusing ring 6 by described dowel 61.In the present embodiment, by dowel 61, nut seat 60 is arranged to the center of focusing ring 6, can make the inside overwhelming majority of focusing ring 6 is hollow outs, is beneficial to like this connection of its internal part, and the angle rotatable of focusing ring 6 is maximized.
Further, refer to Figure 10, as a kind of specific embodiment of LED portable lamp provided by the invention, the leading section 71 of described extensible member 7 is square, in described lamp cylinder, 2 are provided with a gripper shoe 21, are provided with a square hole 20 matching with the leading section 71 of described extensible member 7 in described gripper shoe 21.In described lamp cylinder, be provided with.In the present embodiment, square leading section 71 and square hole 20 coordinate, it can not be rotated mutually, when extensible member 7 rearward end are rotated with respect to focusing ring 6, extensible member 7 can only elasticly slide, thereby drive the luminescence component 4 of being located at its leading section 71 to change with respect to the position of reflector 3, reach the object of focusing; Certainly, be not limited to use square structure herein, as long as can play restriction extensible member 7 structure of rotating with respect to lamp cylinder 2 all can, such as the leading section of contracting part 7 71 being made as to triangle, or fin is set on cylindrical, and is waiting the same corresponding fit structure that arranges; But square structure is easy to manufacture, and is conducive to luminescence component 4 and is arranged on its end face.
Further, referring to Fig. 1 and Fig. 2, Fig. 7, Fig. 8, as a kind of specific embodiment of LED portable lamp provided by the invention, described luminescence component 4 comprises an aluminium base 41 and at least one LED lamp 42, described aluminium base 41 is located at the leading section 71 of described extensible member 7, and described LED lamp 42 is located on described aluminium base 41.In the present embodiment, can a through hole 702 be set at the leading section of extensible member 7 71, and the wherein relative a pair of side of end arranges lowlyer, aluminium base 41 also arranges connecting hole, and be buckled in extensible member 7 and be made as front end face, and can connect by connecting hole by through hole 702; Light source adopts LED lamp, not only energy-conservation, and long service life.
Further, refer to Fig. 7 and Fig. 8, as a kind of specific embodiment of LED portable lamp provided by the invention, described extensible member 7 runs through in the longitudinal direction and is provided with a through hole 701 for passing for wire.In the present embodiment, wire, through this through hole 701, can make lamp interior effectively utilize, and structure is carefully and neatly compact; Can also arrange at the middle part of extensible member 7 one be connected with through hole 701 do not get used to through hole 703, also connect the use of wire.
Further, refer to again Fig. 1 and Fig. 2, as a kind of specific embodiment of LED portable lamp provided by the invention, the front end of described lamp cylinder 2 is also provided with a lamp head shell 8 and a Transparent Parts 9, described Transparent Parts 9 is fixed in described lamp head shell 8 by a hold-down ring 10, described lamp head shell 8 is connected with described lamp cylinder 2, and described reflector 3 is pressed between described hold-down ring 10 and described lamp cylinder 2.In the present embodiment, can play a protective role to the reflector of lamp interior 3 and luminescence component 4 by lamp head shell 8 and Transparent Parts 9; On the one hand; Transparent Parts 9 can prevent the light direct irradiation human eye that light source penetrates and human eye is damaged; on the other hand; Transparent Parts 4 can adopt plate glass; even if operation also can meet requirement of strength well in various severe wild environments, the parts that make lamp interior are well protected and are not easily damaged, and this Transparent Parts 9 does not participate in luminous intensity distribution; can avoid causing light decay, be conducive to improve the light efficiency of light fixture.
Further, also refer to Fig. 1 and Fig. 2, as a kind of specific embodiment of LED portable lamp provided by the invention, between described lamp head shell 8 and described Transparent Parts 9, be also provided with one first seal 111, hold-down ring 10 rotates in the screw thread of lamp head shell 8 inwalls, seal 111 is pressed between Transparent Parts 9 and lamp head shell 8, and now lamp head shell 8 parts just become a capsul; Meanwhile, be provided with the second seal 112 in described lamp head shell 8 and the junction of lamp cylinder 2, be provided with the 3rd seal 113 in described focusing ring 6 and the junction of described lamp cylinder 2, be provided with the 4th seal 114 in described focusing ring 6 and the junction of described lamp tail shell 1.In the present embodiment, all used sealing ring sealing at each connecting portion, sealing effectiveness can reach IP65 level, and sealing effectiveness is better, goes for various adverse circumstances, of many uses.
Further, refer to Fig. 2 and Figure 10, as a kind of specific embodiment of LED portable lamp provided by the invention, described light source actuator 5 is fixed on described lamp cylinder 2 by screw.In the present embodiment, light source actuator 5, for to be arranged at a pcb board and electronic element assembly provided thereon, arranges at least one screw 22 in the gripper shoe 21 in described lamp cylinder 2, then by screw, light source actuator 5 is fixed in gripper shoe, prevents that it is loosening.
Further, refer to Fig. 1 and Figure 10, as a kind of specific embodiment of LED portable lamp provided by the invention, described lamp tail shell 1 is connected by least two stock screws with described lamp cylinder 2.In the present embodiment, can along the outer edge of a diameter, two screw hole seats 101 be set at lamp tail shell 1, on lamp cylinder 2, correspondence arranges two nut seats 23, then connects by stock screw, realizes its assembling and fixing.But because the reason of these two screws, focusing ring 6 can not rotate by complete cycle with respect to lamp cylinder 2, the angle that can rotate is 170 ° of left and right, in order not affect the flexible stroke of expansion link 7, the lead angle of the screw thread of expansion link 7 rearward end 72 can be arranged largerly, make it not need focusing ring 6 to rotate just can to meet for one week the focus needs of stroke of expansion link 7.
Further, refer to Fig. 4 to Fig. 6, as a kind of specific embodiment of LED portable lamp provided by the invention, described flexible terminal 13 between described battery 12 and the PCB of described light source actuator 5 is spring thimble structure, the specific design of spring thimble structure is shown in Fig. 5, comprise base 131, top end cover 132 and spring between the two 133, top end cover 132 can slide up and down and Compress Spring 133 in the cavity of base 131, but the flange that top end cover 132 bottoms are provided with is fettered and can not deviate from by described base 131.In present embodiment, when light fixture falls or meet with make battery 12 and top end cover 132 contact during compared with large shock, spring 133 can play cushioning effect like this, damages pcb board to prevent that the impulsive force of battery 12 is too large.
Further, refer to Fig. 4, optimize embodiment as the one of LED portable lamp provided by the invention, between the PCB that described battery 12 and the driving of described light source are 5, be also provided with a position limiting structure 15.In present embodiment, position limiting structure 15 can further carry out spacing to battery 12, absorbs the effect of playing protection PCB from the impulsive force of battery 12 in the time that light fixture falls or clashes into, and strengthens its anti-ability of hitting of falling, thereby increases the reliability of light fixture.
Further, refer to Fig. 4, as a kind of preferred embodiment of LED portable lamp provided by the invention, the described buffer unit 14 between described battery 12 and described tail-hood 11 is a rubber blanket.In the time that light fixture falls or be subject to clashing into, this rubber blanket can be protected battery terminal well like this, prevents that it from being hit distortion.
In addition, see Fig. 4, tail-hood spring 16 also can be set in tail-hood and further play the effect of protecting battery terminal, tail-hood sealing ring 17 can also be set, to promote the degree of protection of light fixture, prevent that liquid from entering into the enclosure interior of light fixture simultaneously.
Further, refer to Fig. 9, as a kind of specific embodiment of LED portable lamp provided by the invention, it is multiple for anti-skidding fin 62 that described focusing ring 6 outer is arranged with.Like this, when focusing, just can not cause because skidding rotation difficulty, operate more convenient easy.
Refer to Figure 11 and Figure 12, the luminous intensity distribution schematic diagram of the LED portable lamp providing for the embodiment of the present invention, in the time that extensible member 7 does not protract completely, as shown in Figure 8, light is parallel ejaculation to its light distribution effect, in spot condition; In the time rotating focusing ring 6, extensible member 7 is to protracting, the luminescence component 4 of being located at extensible member 7 front ends changes with respect to the position of reflector 3, the light shining out can be realized the variation of beam angle, thereby realize focus effect, Fig. 9 is the light distribution effect of extensible member 7 while protracting completely, eats dung in floodlight state; Otherwise, there is contrary light distribution effect and change, and realize step-less adjustment in rotation focusing ring 6.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a LED portable lamp, comprise that a lamp tail shell, is located at lamp cylinder on described lamp tail shell, is located at a reflector and light source part in described lamp cylinder, is located at the tail-hood of described lamp tail shell rear end and is located at the battery in described lamp tail shell, described light source part comprises a light source actuator, a luminescence component; It is characterized in that:
Between described lamp cylinder and described lamp tail shell, being also arranged with one can be with respect to the focusing ring of described lamp tail shell and the rotation of described lamp cylinder;
On described focusing ring, be also provided with an extensible member;
Described extensible member has a leading section and a rearward end, and described rearward end is provided with external screw thread, is provided with the nut seat that can match with the rearward end external screw thread of described extensible member in described focusing ring, and the leading section of described extensible member is flexible with described lamp cylinder and coordinates; Described luminescence component is arranged at the leading section of described extensible member;
The terminal that described battery is connected with the PCB of described light source actuator is a flexible terminal, between described battery and described tail-hood, is provided with a buffer unit.
2. LED portable lamp according to claim 1, is characterized in that: described focusing ring inner side is provided with a dowel along a diametric(al), and described nut seat is arranged at the center of described focusing ring by described dowel.
3. LED portable lamp according to claim 1, is characterized in that: the leading section of described extensible member is square, in described lamp cylinder, is provided with a gripper shoe, is provided with a square hole matching with the leading section of described extensible member in described gripper shoe.
4. LED portable lamp according to claim 1, is characterized in that: described luminescence component comprises an aluminium base and at least one LED lamp, and described aluminium base is located at the leading section of described extensible member, and described LED lamp is located on described aluminium base.
5. LED portable lamp according to claim 1, it is characterized in that: the front end of described lamp cylinder is also provided with a lamp head shell and a Transparent Parts, described Transparent Parts is fixed in described lamp head shell by a hold-down ring, described lamp head shell is connected with described lamp cylinder, and described reflector is pressed between described hold-down ring and described lamp cylinder.
6. LED portable lamp according to claim 5, it is characterized in that: between described lamp head shell and described Transparent Parts, be also provided with one first seal, junction at described lamp head shell and lamp cylinder is provided with the second seal, be provided with the 3rd seal in the junction of described focusing ring and described lamp cylinder, be provided with the 4th seal in the junction of described focusing ring and described lamp tail shell.
7. LED portable lamp according to claim 1, is characterized in that: described lamp tail shell is connected by least two stock screws with described lamp cylinder.
8. LED portable lamp according to claim 1, it is characterized in that: the described flexible terminal between described battery and the PCB of described light source actuator is spring thimble structure, its there is the top end cover that a base, can slide up and down and be fettered by described base laterally and not deviate from the cavity of described base and be located at described base and described top end cover between spring.
9. LED portable lamp according to claim 8, is characterized in that: between described battery and the PCB of described light source actuator, be also provided with a position limiting structure.
10. LED portable lamp according to claim 1, is characterized in that: the described buffer unit between described battery and described tail-hood is a rubber blanket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110267941.8A CN102997065B (en) | 2011-09-09 | 2011-09-09 | Portable light-emitting diode (LED) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110267941.8A CN102997065B (en) | 2011-09-09 | 2011-09-09 | Portable light-emitting diode (LED) lamp |
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| Publication Number | Publication Date |
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| CN102997065A CN102997065A (en) | 2013-03-27 |
| CN102997065B true CN102997065B (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110267941.8A Active CN102997065B (en) | 2011-09-09 | 2011-09-09 | Portable light-emitting diode (LED) lamp |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5171086A (en) * | 1991-03-22 | 1992-12-15 | Baloochi Mohsen K | Hand held adjustable focus flash light |
| CN2235062Y (en) * | 1995-04-04 | 1996-09-11 | 广州市电筒工业公司 | Electric torch with built-in dimming locating case |
| US6045236A (en) * | 1996-08-09 | 2000-04-04 | Black & Decker Inc. | Twist on/off and adjustable focus flashlight |
| CN201803118U (en) * | 2010-07-29 | 2011-04-20 | 广东百源实业有限公司 | Stepless dimming electric torch |
-
2011
- 2011-09-09 CN CN201110267941.8A patent/CN102997065B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5171086A (en) * | 1991-03-22 | 1992-12-15 | Baloochi Mohsen K | Hand held adjustable focus flash light |
| CN2235062Y (en) * | 1995-04-04 | 1996-09-11 | 广州市电筒工业公司 | Electric torch with built-in dimming locating case |
| US6045236A (en) * | 1996-08-09 | 2000-04-04 | Black & Decker Inc. | Twist on/off and adjustable focus flashlight |
| CN201803118U (en) * | 2010-07-29 | 2011-04-20 | 广东百源实业有限公司 | Stepless dimming electric torch |
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| CN102997065A (en) | 2013-03-27 |
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