CN217763114U - Portable lighting device - Google Patents

Abstract

The utility model discloses a portable lighting device, include: the lamp comprises a first shell, a second shell, a light source assembly and an adjusting structure, wherein a lens used for converging light rays of the lamp is arranged at the front end of the first shell, a first driving piece is arranged on the inner side of the side wall of the first shell along the circumferential side, the second shell is sleeved with the first shell, the first shell can move back and forth along the second shell and rotate relative to the second shell, the light source assembly is arranged in the second shell and comprises a circuit board and a light-emitting piece electrically connected with the circuit board, the adjusting structure is arranged in the second shell and comprises a sensor assembly used for sensing the rotation amount of the first driving piece, and the sensor assembly is electrically connected with the circuit board so as to realize zooming of a light source and adjusting of light-emitting parameters through the back and forth movement and rotation of the first shell.

Description

Portable lighting device

Technical Field

The utility model relates to the field of lighting technology, especially, relate to a portable lighting device.

Background

The illuminating tool is an essential tool in our life, can be used for illumination in dark places where light cannot be involved in daily life, can be used for emergency illumination to ensure that our actions are not limited when power is cut off, and is widely applied in outdoor environments. The prior art discloses a flashlight capable of adjusting illumination intensity, (Chinese patent No. CN 201410588875.8), which comprises a flashlight body, a lamp holder, a bulb and a storage battery, wherein a worm gear mechanism is arranged at the mounting end of the flashlight body, an adjusting knob is fixed at one end of a worm of the worm gear mechanism, and the lamp holder is fixed on a worm wheel of the worm gear mechanism. A sliding rail is fixed in an inner cavity of the lamp holder, at least two sliding ways are arranged on the sliding rail, and a bulb is slidably mounted in each sliding way. The user can change the illumination intensity of the flashlight by rotating the adjusting knob, and the imaging size of the light is changed by changing the bulb in the slide way. But adjust knob arranges the outside of flashlight body in, and the user's operable is small, and the user's of being inconvenient for operation changes the mechanical structure of the distance between the bulb through the slide, and easy the card appears or the operation process is unsmooth, and it is inconvenient to operate and the reliability is low.

SUMMERY OF THE UTILITY MODEL

The utility model provides a portable lighting device to not enough among the prior art, include: first casing, second casing, light source subassembly and regulation structure, first casing front end is equipped with the lens that is used for gathering lamps and lanterns light, be provided with first driving piece along week side in the first casing lateral wall, the second casing cup joints with first casing, second casing back-and-forth movement and relative second casing rotation can be followed to first casing, the light source subassembly is located in the second casing, including circuit board and the illuminating part of being connected with the circuit board electricity, the regulation structure is located in the second casing, including being used for the sensing the sensor subassembly of first driving piece rotation volume, sensor subassembly and circuit board electricity are connected, the circuit board is adjusted based on the first driving piece rotation volume of sensing at least partially the luminous parameter of illuminating part.

Preferably, the second shell is sleeved on the outer side of the side wall of the first shell, can move back and forth along the outer side of the first shell and can rotate around the outer side of the first shell, the first driving piece is a tooth condition arranged in the side wall of the first shell along the circumferential direction, the sensor assembly comprises a gear piece and a sensor capable of sensing the rotation of the gear piece, the gear piece is meshed with the rack piece, and the sensor is electrically connected with the circuit board.

Preferably, the circuit board includes first plate and the second plate of arranging through the connecting piece stack, the second plate is arranged in keeping away from first casing side, the illuminating part install in be close to first casing side on the first plate, gear spare longitudinal arrangement is between first plate and second plate, gear spare both ends are connected in first plate and second plate respectively, the tooth edge of gear spare can stretch out in first plate outside border.

Preferably, both ends are equipped with outside bellied first bulge and second bulge respectively around the first casing lateral wall outside, second casing lateral wall inboard front end is equipped with inside bellied third bulge.

Preferably, still including the interface that charges, the interface that charges is connected with the second plate, the confession has been seted up to second casing lateral wall the through-hole that the interface tip that charges stretches out.

Preferably, the rack member includes a rack and a limiting portion arranged along a circumferential direction inside the first housing, the limiting portion is connected to one end of the rack close to the lens, and an upper surface of the limiting portion is higher than a root of the rack.

Preferably, be equipped with first through-hole on the first plate, be equipped with the second through-hole on the second plate, the encoder of sensor for being equipped with the measurement through-hole, the encoder install in on the second through-hole and be connected with the second plate electricity, gear spare pivot end stretches into first through-hole, and another pivot end of gear spare gets into the measurement through-hole of encoder.

Preferably, be equipped with first through-hole on the first plate, be equipped with the second through-hole on the second plate, the encoder of sensor for being equipped with the measurement through-hole, the encoder install in be connected on the first through-hole and with first plate electricity, gear spare pivot end stretches into the second through-hole, and another pivot end of gear spare gets into the measurement through-hole of encoder.

Preferably, the first housing includes a cylindrical first housing wall, a lens provided with a front end of the first housing wall, a convex ring provided with a second convex portion on an outer side, and a tooth member provided in an annular cylindrical shape, the rack member being provided with teeth on an inner side and a first mounting member on an outer side; a second mounting part detachably connected with the first mounting part is arranged on the inner side of the first shell wall; the protruding ring is connected with the rear end of the tooth member or the rear end of the first shell wall through a fastener.

Preferably, the lens includes a lens mounting part and a lens boss; first casing still includes the spacing ring, first conch wall front end is equipped with the top cap, be equipped with the confession in the top cap the installation passageway that the lens bellying passes through, lens installation department front side passes through the spacing ring and is connected with the top cap rear side, lens installation department rear side with tooth condition front end butt.

The utility model discloses a provide a portable lighting device, including first casing, second casing, light source subassembly and regulation structure, wherein the second casing cup joints with first casing, and first casing can follow second casing back-and-forth movement and relative second casing rotation, and the tip is equipped with the lens that is used for converging lamps and lanterns light before first casing, is equipped with illuminating part and the ability sensing as the light source in the second casing the sensor subassembly of first driving piece rotation volume. The first shell can be rotated to send adjusting signals to a circuit board connected with the light-emitting piece through the sensor assembly to adjust the light-emitting parameters of the light-emitting piece, such as brightness or color temperature, so that the light source can be zoomed and the light-emitting parameters can be adjusted only by changing the position of the first shell, and the operation is convenient and rapid.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic structural diagram of a portable lighting device disclosed in an embodiment of the present invention.

Fig. 2 is an exploded schematic view of a portable lighting device disclosed in an embodiment of the present invention.

Fig. 3 is a schematic connection diagram of the first housing and the adjusting structure according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a light source assembly and an adjusting structure according to an embodiment of the present invention.

Fig. 5 is a schematic cross-sectional view of a portable lighting device according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a tooth condition according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a first housing wall according to an embodiment of the present invention.

Fig. 8 is a schematic view illustrating a change of a usage status of the portable lighting device according to an embodiment of the present invention.

Detailed Description

In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and in the claims is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms a, an, etc. do not denote a limitation of quantity, but rather denote the presence of at least one.

In this embodiment, as shown in fig. 1 or 2, a portable lighting device is disclosed, which includes a first housing 1, a second housing 2, a light source assembly 3 and an adjusting structure 4, wherein a lens 11 for converging light of a lamp is disposed at a front end portion of the first housing 1, a first driving member 12 is disposed along a peripheral side in a side wall of the first housing 1, the second housing 2 is sleeved with the first housing 1, the first housing 1 can move back and forth along the second housing 2 and rotate relative to the second housing 2, the light source assembly 3 is disposed in the second housing 3 and includes a circuit board 31 and a light emitting member 32 electrically connected to the circuit board, the adjusting structure 4 is disposed in the second housing 2 and includes a sensor assembly 41 for sensing a rotation amount of the first driving member, the sensor assembly 41 is electrically connected to the circuit board 31, and the circuit board adjusts a light emitting parameter of the light emitting member based at least in part on the sensed rotation amount of the first driving member. Wherein the lighting parameter can be a lighting parameter such as brightness or color temperature of the lighting element. When the sensor assembly senses the rotation of the first shell, the sensor assembly sends electrical information to the circuit board according to the rotation amount of the first shell, and the circuit board can adjust specific light-emitting parameters of the light-emitting piece according to the rotation amount of the first shell, namely the signal size sent by the sensor, for example, the brightness of the light-emitting piece can be adjusted by adjusting the current connected with the light-emitting piece. Wherein the sensor assembly can also adopt various existing sensor modules capable of detecting the rotation angle of the first shell. The portable lighting device disclosed by the embodiment can adjust the distance between the lens and the light-emitting piece by moving the first shell back and forth so as to realize zooming, can simultaneously rotate the first shell to send an adjusting signal to the circuit board connected with the light-emitting piece through the sensor component so as to adjust the light-emitting parameters of the light-emitting piece, such as brightness or color temperature and the like, and can realize zooming of a light source and adjustment of the light-emitting parameters only by holding the first shell to change the position of the first shell when in use, namely moving the first shell back and forth or rotating the first shell while moving the first shell, so that the operation is convenient and rapid.

In this embodiment, as shown in fig. 1 or 2, the second housing 2 is sleeved outside a sidewall of the first housing 1, and can move back and forth along an outside of the first housing 1 and rotate around an outside of the first housing 1, the back and forth movement of the first housing can adjust a focal length of the light source, so as to change an imaging range of the light emitting element through the lens, and the rotation of the first housing can adjust a brightness of the light emitting element. The first driving member 12 is a rack member 121 circumferentially arranged in a side wall of the first housing 1, the sensor assembly 41 includes a gear member 411 and a sensor 412 capable of sensing the rotation of the gear member, the gear member 411 is engaged with the gear member 121, the gear member can be rotated by the rack member through the rotation of the first housing, and the rotation angle of the gear member can be measured by the sensor, so as to increase or decrease the brightness of the corresponding illuminating member.

In this embodiment, as shown in fig. 3 or 4, the circuit board 31 includes a first plate 311 and a second plate 312 stacked by a connecting member 33, the second plate 312 is disposed at a side far from the first housing 1, the light emitting member 32 is mounted on the first plate 311 at a side close to the first housing 1, and a diameter of the first plate is smaller than that of the second plate, so that the second plate can move in the first housing, the mounting space is saved, and the first housing can adjust the focal length of the light source. The gear piece 411 is longitudinally arranged between the first plate 311 and the second plate 312, two ends of the gear piece 411 are respectively connected with the first plate 311 and the second plate 312, so that the installation space is saved, the gear piece is longitudinally arranged in the same direction as the rack piece, can be better meshed with the rack piece, and can complete the front-and-back movement of the rotary movement of the meshing tooth condition under the condition of tooth fitting. The edge of the gear 411 can extend out of the outer edge of the first plate 311, so that the teeth of the gear are not blocked by the outer side of the first plate and are meshed with the rack.

In this embodiment, as shown in fig. 5, the front and rear ends of the outer side of the side wall of the first casing 1 are respectively provided with a first protrusion 13 and a second protrusion 14 protruding outwards, and the front end of the inner side of the side wall of the second casing is provided with a third protrusion 15 protruding inwards. First bulge is the bulge that the diameter is greater than second casing outside diameter, second bulge can slide at second shells inner wall to the restriction first casing is in the position of second shells inner wall, the diameter of third bulge is less than the diameter of second bulge, and is greater than the outside diameter of tooth condition, makes the displacement range of first casing receives the restriction of first bulge, second bulge and third bulge, first bulge is for removing the lower limit, and second bulge and third bulge are for removing the upper limit. When the first protrusion moves to the lower limit, the light-emitting piece is closest to the lens, the focal length is minimum, namely the light imaging range penetrating through the convex lens is maximum, and when the first protrusion moves to the upper limit, the light-emitting piece is farthest from the lens, the focal length is maximum, namely the light imaging range penetrating through the convex lens is minimum.

In this embodiment, as shown in fig. 2 or 4, a charging interface 3121 is further included, the charging interface 3121 is connected to the second plate 312, and a through hole 21 for extending an end of the charging interface 3121 is opened on a side wall of the second housing 1. The user accessible through-hole externally with the interface connection that charges to there is portable power source's function, portable.

In the present embodiment, as shown in fig. 6, the rack member 121 includes a rack 1211 and a position-limiting portion 1212, which are circumferentially arranged inside the first housing 1, the position-limiting portion 1212 is connected to one end of the rack 1211 close to the lens 11, and an upper surface of the position-limiting portion 1212 is higher than a root of the rack 1211. The gear member is meshed with the gear member, the limiting part can limit the lower limit of the backward sliding of the rack member, when the top of the gear member is contacted with the limiting part, the lower limit is reached, the distance between the light-emitting member and the lens is the closest, the focal length is the closest, and the light imaging range of the light penetrating through the convex lens is the largest.

In this embodiment, as shown in fig. 4 or 5, a first through hole 3111 is provided on the first plate 311, a second through hole 3122 is provided on the second plate 312, the sensor 412 is an encoder provided with a measuring through hole, the encoder is mounted on the second through hole 3122 and electrically connected to the second plate 312, a rotating shaft end of the gear 411 extends into the first through hole 3111, another rotating shaft end of the gear 411 enters the measuring through hole 41211 of the encoder, the encoder is also mounted on the first through hole 3111 and electrically connected to the first plate 311, another rotating shaft end of the gear 411 extends into the second through hole 3122, and another rotating shaft end of the gear 411 enters the measuring through hole 41211 of the encoder. The gear piece can be longitudinally and movably arranged between the first plate and the second plate through the connection of the first through hole and the sensor in the second through hole, so that the gear piece can be meshed with the rack piece, a rotating shaft end of the gear piece is connected with the encoder, and the rotating angle and the rotating direction of the gear piece and the rack piece during meshing rotation can be measured, namely the rotating angle and the rotating direction of the first shell rotated by a user are measured, so that the brightness of the light-emitting piece is changed.

In the present embodiment, as shown in fig. 3 or 7, the first housing 1 includes a cylindrical first housing wall 16, a lens 11 provided with a front end of the first housing wall 16, a convex ring 141 provided with a second convex portion 14 on an outer side, and a tooth member 121, the tooth member 121 is in an annular cylindrical shape, the tooth member 121 is provided with teeth on an inner side and a first mounting member 1213 on an outer side, and the first housing wall 16 is provided with a second mounting member 161 detachably connected to the first mounting member 1213 on an inner side. The tooth condition is connected with the first shell wall through the detachable connection of the first mounting piece and the second mounting piece, and a user can rotate or stretch the first shell to enable the first shell to move back and forth along the direction of the second shell to change the focal length of the light-emitting piece and the lens or change the rotation angle of the gear piece through the rotation or stretching of the first shell, so that the imaging range of the light-emitting piece is changed through the back and forth movement of the first shell, and the brightness of the light-emitting piece is changed through the rotation of the first shell. In this embodiment, first mount 1213 may employ a threaded configuration and second mount 161 may also employ a corresponding threaded configuration that engages the first mount threaded configuration such that the first and second mounts may be secured and detached by rotational twisting. The convex ring 141 is connected with the rear end of the rack member 121 or the rear end of the first shell wall 16 through a fastener 142, so that the second convex part is connected to the bottom of the rack member, the convex ring is connected with the inner wall of the second shell in a close fit manner, and the first shell moves back and forth in the second shell, thereby achieving the effect of adjusting the imaging range of the light-emitting member.

In this embodiment, as shown in fig. 5 or 7, the lens 11 includes a lens mounting portion 111 and a lens protruding portion 112, the first housing 1 further includes a limiting ring 17, a top cover 18 is disposed at a front end of the first housing wall, a mounting channel 163 for the lens protruding portion 112 to pass through is disposed in the top cover 18, a front side of the lens mounting portion 111 is connected to a rear side of the top cover 18 through the limiting ring 17, and a rear side of the lens mounting portion 111 abuts against a front end of the rack member 121. The engagement of the first and second mounting elements rotatably couples the first housing wall from front to back and mounts the lens boss between the top cover, the retainer ring and the top of the rack member, the light emitting member displaying light images through the lens boss.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.

Claims (10)

1. A portable lighting device, comprising:

the lamp comprises a first shell, a second shell and a third shell, wherein the front end part of the first shell is provided with a lens for converging light rays of a lamp, and the inner edge of the side wall of the first shell is circumferentially provided with a first driving piece;

the second shell is sleeved with the first shell, and the first shell can move back and forth along the second shell and rotate relative to the second shell;

the light source component is arranged in the second shell and comprises a circuit board and a light-emitting piece electrically connected with the circuit board;

the adjusting structure is arranged in the second shell and comprises a sensor assembly used for sensing the rotation quantity of the first driving piece, the sensor assembly is electrically connected with the circuit board, and the circuit board at least partially adjusts the light-emitting parameters of the light-emitting piece based on the sensed rotation quantity of the first driving piece.

2. The portable lighting device of claim 1, wherein;

the second shell is sleeved on the outer side of the side wall of the first shell, can move back and forth along the outer side of the first shell and can rotate around the outer side of the first shell;

the first driving piece is a tooth condition arranged in the side wall of the first shell along the circumferential direction;

the sensor assembly comprises a gear piece and a sensor capable of sensing rotation of the gear piece, the gear piece is meshed with the rack piece, and the sensor is electrically connected with the circuit board.

3. The portable lighting device of claim 2, wherein;

the circuit board comprises a first plate and a second plate which are arranged in a front-back overlapping mode through a connecting piece, the second plate is arranged on the side far away from the first shell, and the light-emitting piece is arranged on the first plate and close to the first shell;

the gear piece is vertically arranged between the first plate and the second plate, two ends of the gear piece are connected with the first plate and the second plate respectively, and the tooth edge of the gear piece can stretch out of the outer side edge of the first plate.

4. The portable lighting device of claim 2, wherein;

both ends are equipped with outside bellied first bulge and second bulge respectively around the first casing lateral wall outside, the inboard front end of second casing lateral wall is equipped with inside bellied third bulge.

5. The portable lighting device of claim 4, wherein; still including the interface that charges, the interface that charges is connected with the second plate, the confession has been seted up to the second casing lateral wall the through-hole that the interface tip that charges stretches out.

6. The portable lighting device of claim 3, wherein; the rack piece includes rack and spacing portion of arranging along circumference in first casing inboard, spacing portion is close to lens one end with the rack and is connected, spacing portion upper surface is higher in rack tooth root department.

7. The portable lighting device of claim 6, wherein;

the sensor is an encoder provided with a measuring through hole, the encoder is arranged on the second through hole and is electrically connected with the second plate, a rotating shaft end of the gear piece extends into the first through hole, and another rotating shaft end of the gear piece enters the measuring through hole of the encoder.

8. The portable lighting device of claim 6, wherein; the sensor is an encoder provided with a measuring through hole, the encoder is arranged on the first through hole and is electrically connected with the first plate, a rotating shaft end of the gear piece extends into the second through hole, and the other rotating shaft end of the gear piece enters the measuring through hole of the encoder.

9. A portable lighting device according to any one of claims 4 to 8, wherein; the first shell comprises a cylindrical first shell wall, a lens provided with the front end of the first shell wall, a convex ring provided with a second convex part on the outer side, and a tooth condition;

the rack is in an annular cylinder shape, teeth are arranged on the inner side of the rack, and a first mounting piece is arranged on the outer side of the rack; a second mounting part detachably connected with the first mounting part is arranged on the inner side of the first shell wall; the protruding ring is connected with the rear end of the tooth member or the rear end of the first shell wall through a fastener.

10. The portable lighting device of claim 9, wherein; the lens comprises a lens mounting part and a lens boss part; first casing still includes the spacing ring, first conch wall front end is equipped with the top cap, be equipped with the confession in the top cap the installation passageway that the lens bellying passes through, lens installation department front side is passed through the spacing ring and is connected with the top cap rear side, lens installation department rear side with tooth condition front end butt.

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