Novel flashlight

Abstract

The utility model relates to the technical field of flashlights, and discloses a novel flashlight which comprises a flashlight body, a light source head, a switch, a circuit control board, a storage battery and a hand generator, the light source head is installed on the flashlight body, an inner cavity is defined by the light source head and the flashlight body, and the switch, the circuit control board and the storage battery are arranged in the inner cavity. The hand generator is installed on the flashlight body, the control end of the switch penetrates through one side wall of the flashlight body and extends to the outer side, the switch is used for turning on or turning off a light source and electrically connected to the circuit control board, and the power output end of the storage battery is electrically connected with the power input end of the circuit control board. The power input end of the storage battery is electrically connected with the power output end of the hand generator, and the power output end of the circuit control board is electrically connected with the light source head through the switch. According to the flashlight, multiple light sources can be switched to change light, the light source lens can better change light, self-power-generation use is durable, and the use effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of flashlights, in particular to a novel flashlight. Background Art

[0002] A flashlight is a handheld electronic lighting tool. A typical flashlight has a battery-powered bulb and a focusing reflector, and a handle-type housing for hand-held use. Although it is a fairly simple design, it was not invented until the late 19th century because it had to be combined with the invention of batteries and light bulbs. With the development of society, electronic products have emerged in an endless stream, and flashlights of all kinds have appeared, but these flashlights are generally only equipped with dry batteries to provide power. The power of this dry battery power supply is limited, and dry batteries are very easy to pollute the environment; some flashlights use batteries to provide power, and the batteries need to be charged regularly to meet the power supply needs. Users need to check the power level of the flashlight or charge it regularly, which will affect the use effect in the long run; there are also flashlights on the market that have a single light source, generally white light or monochromatic light illumination, which is limited in use, etc.; there are also flashlights whose light source lens is only a single reflector / transmitter, which is limited to the light source and other light changes.

[0003] Therefore, in view of the above problems, the existing flashlight needs to be further improved. Utility Model Content

[0004] The purpose of the utility model is to overcome the problems of the existing flashlights, such as single light source, inability to switch and dim, simple light lens, light restriction, pollution of dry cell mode, short durability of storage battery, etc.; through the rational design of the flashlight, the use of the flashlight body, light source head, switch, circuit control board, storage battery and hand-crank generator, it is possible to realize a variety of light sources for the flashlight, switch and dim, better change of light by the light source lens, durable use, improved use effect, etc.

[0005] The technical solution of the utility model is as follows:

[0006] A new type of flashlight, comprising: a flashlight body, a light source head, a switch, a circuit control board, a battery and a hand-cranked generator, the light source head is mounted on the flashlight body, and the light source head and the flashlight body form an inner cavity, the switch, circuit control board and battery are arranged in the inner cavity, the hand-cranked generator is mounted on the flashlight body, the control end of the switch passes through a side wall of the flashlight body and extends to the outside, and the switch is used to turn the light source on or off, the switch is electrically connected to the circuit control board, the power output end of the battery is electrically connected to the power input end of the circuit control board, the power input end of the battery is electrically connected to the power output end of the hand-cranked generator, and the power output end of the circuit control board is electrically connected to the light source head through the switch.

[0007] Furthermore, the flashlight body is a waterproof flashlight body, and the waterproof grade of the flashlight body exceeds IP56.

[0008] Furthermore, the light source head includes a light source housing, a light source lens and an LED lamp, the light source lens and the LED lamp are installed on the light source housing, the LED lamp is electrically connected to the power output end of the circuit control board through the switch, and the light emitted by the LED lamp is transmitted outward through the light source lens.

[0009] Furthermore, the light source lens includes a convex lens and a concave lens, the size of the convex lens is smaller than the size of the concave lens, the convex lens is arranged around the concave lens, and the concave lenses correspond to the LED lamps one by one.

[0010] Furthermore, the light source head also includes a lampshade, and the lampshade is installed on the light source housing through a connecting piece.

[0011] Furthermore, the light source lens is integrally formed.

[0012] Furthermore, the hand-cranked generator includes a hand crank and a generator, the generator is arranged in the inner cavity of the flashlight body, the hand crank passes through a side wall of the flashlight body and is connected to the mover of the generator, and the power output end of the generator is electrically connected to the power input end of the battery.

[0013] Furthermore, the hand crank comprises a transmission gear mechanism and a hand crank, wherein the hand crank is mounted on the driven end of the transmission gear mechanism, and the driven end of the transmission gear mechanism is connected to the mover of the generator.

[0014] Furthermore, the hand crank includes a rod body, a rotator and a clamp, one end of the rod body is installed on the rotator, the other end of the rod body is installed with the clamp, and the rotator is connected to the driven end of the transmission gear mechanism.

[0015] Furthermore, the transmission gear mechanism includes an I-shaped gear and a bevel gear, the driven end of the I-shaped gear is connected to the hand crank, the output end of the I-shaped gear is meshingly connected to the bevel gear, and the bevel gear is installed on the mover of the generator.

[0016] Furthermore, the “I”-shaped gears are selected from at least two “I”-shaped gears, and the “I”-shaped gears are meshed with each other for transmission.

[0017] Furthermore, the switch is a push button switch.

[0018] Furthermore, a key slot is provided on the flashlight body, and the key slot is used to make way for the key of the switch.

[0019] Furthermore, a button cover is sleeved on the button end of the switch.

[0020] Furthermore, the button cover is made of silicone material or rubber material.

[0021] Furthermore, the flashlight body is made of plastic.

[0022] Furthermore, the flashlight body includes an upper flashlight body and a lower flashlight body, and the upper flashlight body and the lower flashlight body are connected by a snap-fit ​​connection; that is: a snap-fit ​​protrusion is provided on the upper flashlight body, and a snap-fit ​​groove is provided on the lower flashlight body, and the snap-fit ​​protrusion and the snap-fit ​​groove cooperate with each other to be snap-fitted; or a snap-fit ​​groove is provided on the upper flashlight body, and a snap-fit ​​protrusion is provided on the lower flashlight body, and the snap-fit ​​protrusion and the snap-fit ​​groove cooperate with each other to be snap-fitted.

[0023] Furthermore, the flashlight body is a circular or elliptical flashlight body.

[0024] Furthermore, a rubber buffer pad is adhered to the side surface of the flashlight body.

[0025] Furthermore, an external rotating rod is installed at the end of the flashlight body, and the external rotating rod is used to be externally connected to a buckle ring for easy carrying.

[0026] Furthermore, the LED lamp comprises at least two LED lamp beads.

[0027] Furthermore, the LED lamp includes a first LED lamp bead and a second LED lamp bead, and the first LED lamp bead and the second LED lamp bead are LED lamp beads with different light emission wavelengths.

[0028] Furthermore, a hand-cranked clearance groove is provided at the end of the flashlight body, and the hand-cranked clearance groove is used to make way for a clamping piece on the hand-cranked lever.

[0029] Furthermore, the clamping member is rotatably mounted on the other end of the rod body.

[0030] Furthermore, the card piece is an elliptical card piece.

[0031] Furthermore, the rod body is made of plastic.

[0032] Furthermore, the rotator is provided with a rod connector, and the rod connector is rotatably connected to one end of the rod body through a rotating shaft. The rod connector is provided with symmetrical arc-shaped protrusions along the rotating shaft direction, and an arc-shaped groove is provided at a corresponding position on the rod body, and the arc-shaped protrusions and the arc-shaped groove cooperate with each other. When the rod body is rotated, due to the slight shape change of the rod body itself, the free rotation of the arc-shaped protrusion can be allowed. A limit clamp is provided on the rod connector along the direction perpendicular to the rotating shaft, and a limit groove is provided at a corresponding position on one end of the rod body, and the limit clamp and the limit groove cooperate with each other.

[0033] Furthermore, the light source housing is snap-connected to the flashlight body via a snap-fit ​​connection.

[0034] Furthermore, the light source housing is a circular or elliptical light source housing.

[0035] Furthermore, the convex lens is a hemispherical convex lens.

[0036] Furthermore, the concave lens is a hemispherical concave lens.

[0037] Furthermore, a through hole is provided on the light source housing, and the through hole is used to make way for the second LED lamp bead.

[0038] Furthermore, the circuit control board includes a main control board and a light board, the main control board and the light board are connected to each other, and the main control board and the light board are arranged perpendicular to each other.

[0039] Beneficial Effects

[0040] The utility model adopts a flashlight body, a light source head, a switch, a circuit control board, a battery and a hand-cranked generator through a rational design of the flashlight, so that the flashlight can have multiple light sources, can be switched and dimmed, the light source lens has a better change of light, and is durable and has improved use effect. The combination of a concave lens and a convex lens, and the matching of corresponding LED lamp beads can realize the effective change of the corresponding light source, which is more suitable for the dimming use of the flashlight, such as: white light is mainly diffused by the concave lens (looking from the outside to the inside) to irradiate the white light, which can have a larger irradiation range, and red light is mainly concentrated by the convex lens (looking from the outside to the inside) to irradiate the red light, which enhances the red light energy, and the enhanced red light can be used as an indicator light, etc., wherein the convex lenses are multiple and evenly distributed around the concave lens, forming an equal transmission of the light source, etc. The flashlight can be widely used in lighting, emergency rescue and early warning. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 The utility model is a schematic structural diagram of a novel flashlight.

[0042] Figure 2 The utility model is a schematic diagram of the internal partial structure of a novel flashlight.

[0043] Figure 3 The utility model is a structural schematic diagram of a light source lens of a new type of light source head of a flashlight.

[0044] Figure 4 The utility model is a schematic diagram of the back structure of a new type of light source head of a flashlight.

[0045] Figure 5 The utility model is a schematic diagram of the back structure of a novel flashlight.

[0046] Figure 6 The utility model is a schematic diagram of the front structure of a new type of light source head of a flashlight.

[0047] Figure 7 The utility model is a schematic diagram of the internal structure of a novel flashlight.

[0048] Figure 8 This is a schematic diagram of the internal structure of a novel flashlight of the utility model from another perspective.

[0049] Fig. 9 The utility model is a structural schematic diagram of a novel hand-cranked generator for a flashlight.

[0050] Fig.10 This is a structural schematic diagram from another perspective of a new type of hand-cranked generator for a flashlight of the utility model.

[0051] Fig.11The utility model is a schematic diagram of the cross-sectional structure of a novel flashlight.

[0052] Figure numbers: 01, flashlight body; 02, button slot; 03, light source; 04, button cover; 05, switch; 06, main control board; 07, battery; 08, lamp board; 031, buckle; 032, connector; 033, LED lamp bead; 034, through hole; 035, convex lens; 036, concave lens; 10, rod body; 11, external rotating rod; 12, hand-cranked clearance groove; 13, clamp; 14, rotator; 15, arc-shaped protrusion; 16, limit groove; 17, limit clamp; 011, rubber buffer pad; 037, lampshade; 18, generator; 80, bevel gear; 81, second "I"-shaped gear; 82, first "I"-shaped gear; 83, rotator disk. DETAILED DESCRIPTION

[0053] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0054] See also Figure 1-Figure 11 As shown, the utility model provides a new type of flashlight, which includes: a flashlight body 01, a light source head 03, a switch 05, a circuit control board, a battery 07 and a hand-cranked generator, the light source head 03 includes a light source housing, a light source lens and an LED lamp, the light source head 03 also includes a lampshade 037, the light source lens includes a convex lens 035 and a concave lens 036, the hand-cranked generator includes a hand crank and a generator 18, the hand crank includes a transmission gear mechanism and a hand crank, the switch 05 is a key switch 05, the flashlight body 01 is a flashlight body 01 made of plastic material, the flashlight body 01 includes an upper flashlight body and a lower flashlight body, and the flashlight body 01 is a circular or elliptical flashlight body;

[0055] Wherein, the light source head 03 is installed on the flashlight body 01, and the light source head 03 and the flashlight body 01 form an inner cavity, in which a switch 05, a circuit control board and a battery 07 are arranged, and a hand-cranked generator is installed on the flashlight body 01, and a control end of the switch 05 passes through a side wall of the flashlight body 01 and extends to the outside, and the switch 05 is used to turn the light source on or off, and the switch 05 is electrically connected to the circuit control board, the power output end of the battery 07 is electrically connected to the power input end of the circuit control board, the power input end of the battery 07 is electrically connected to the power output end of the hand-cranked generator, and the power output end of the circuit control board is electrically connected to the light source head 03 through the switch 05;

[0056] Among them, a light source lens and an LED lamp are installed on the light source housing of the light source head 03. The LED lamp is electrically connected to the power output end of the circuit control board through the switch 05. The light emitted by the LED lamp is transmitted outward through the light source lens. The size of the convex lens 035 of the light source lens is smaller than the size of the concave lens 036. The convex lens 035 is arranged around the concave lens 036, and the concave lens 036 corresponds to the LED lamp one by one. The light source head 03 also includes a lampshade 037, and the lampshade 037 is installed on the light source housing through a connector 032; the light source lens is an integrated molding arrangement, and the light source housing is snap-connected to the flashlight body 01 through a snap buckle 031. The light source housing selects an elliptical light source housing, the convex lens 035 selects a hemispherical convex lens, and the concave lens 036 selects a hemispherical concave lens 036;

[0057] The generator 18 on the hand-cranked generator is arranged in the inner cavity of the flashlight body 01, the hand-cranked generator passes through one side wall of the flashlight body 01 and is connected to the mover of the generator 18, and the power output end of the generator 18 is electrically connected to the power input end of the battery 07; the hand crank on the hand crank is installed at the driven end of the transmission gear mechanism, and the output end of the transmission gear mechanism is connected to the mover of the generator 18; the hand crank includes a rod body 10, a rotator 14 and a clamp 13, one end of the rod body 10 is installed on the rotator 14, and the other end of the rod body 10 is installed The clamp 13 and the rotator 14 are connected to the driven end of the transmission gear mechanism; the transmission gear mechanism includes an I-shaped gear and a bevel gear 80, the driven end of the I-shaped gear is connected to the hand crank, the output end of the I-shaped gear is meshed and connected with the bevel gear 80, and the bevel gear 80 is installed on the mover of the generator 18, the I-shaped gear selects two I-shaped gears, and the I-shaped gears are meshed and transmitted with each other, that is, the first I-shaped gear 82 and the second I-shaped gear 81 are meshed and transmitted;

[0058] The flashlight body 01 is provided with a key slot 02, which is used to make way for the key of the switch 05. The key end of the switch 05 is sleeved with a key cover 04, which is made of silicone or rubber.

[0059] Among them, the upper flashlight body 01 and the lower flashlight body 01 of the flashlight body 01 are connected by snap-fit; that is: a snap-fitting protrusion is provided on the upper flashlight body 01, and a snap-fitting groove is provided on the lower flashlight body 01, and the snap-fitting protrusion and the snap-fitting groove cooperate with each other to be snap-fitted; or a snap-fitting groove is provided on the upper flashlight body 01, and a snap-fitting protrusion is provided on the lower flashlight body 01, and the snap-fitting protrusion and the snap-fitting groove cooperate with each other to be snap-fitted; a rubber buffer pad 011 is pasted on the side of the flashlight body 01; an external rotating rod 11 is installed at the end of the flashlight body 01, and the external rotating rod 11 is used to connect an external buckle ring for easy carrying;

[0060] The LED lamp has three LED lamp beads, namely: two first LED lamp beads 033 (white light LED lamp beads) and one second LED lamp bead (red light LED lamp bead), and the two first LED lamp beads and the one second LED lamp bead are arranged evenly and in a straight line, the second LED lamp bead is arranged in the middle of the two first LED lamp beads, and corresponds one to one with the through hole 034 on the light source housing, and the light source housing is provided with a through hole 034, and the through hole 034 is used to make way for the second LED lamp bead;

[0061] A hand-cranked clearance groove 12 is provided at the end of the flashlight body 01. The hand-cranked clearance groove 12 is used to make way for a clamp 13 on the hand-cranked lever. The clamp 13 is rotatably mounted at the other end of the rod body 10. The clamp 13 is an elliptical clamp, and the rod body 10 is made of plastic.

[0062] Among them, a rotator disk 83 is provided on the rotator 14, and a rod connector is provided on the rotator disk 83. The rod connector is rotatably connected to one end of the rod body 10 through a rotating shaft. The rod connector is provided with symmetrical arc-shaped protrusions 15 along the rotating shaft direction, and an arc-shaped groove is provided at a corresponding position on the rod body 10. The arc-shaped protrusions 15 and the arc-shaped grooves cooperate with each other. When the rod body 10 is rotated, due to the slight shape change of the rod body 10 itself, the free rotation of the arc-shaped protrusions 15 can be allowed. A limit clamp 17 is provided on the rod connector along the direction perpendicular to the rotating shaft, and a limit groove 16 is provided at a corresponding position at one end of the rod body 10. The limit clamp 17 and the limit groove 16 correspond to each other.

[0063] The circuit control board includes a main control board 06 and a light board 08 . The main control board 06 and the light board 08 are connected to each other. The main control board 06 and the light board 08 are vertically arranged to each other. An LED light is installed on the light board 08 .

[0064] Specific implementation methods of the utility model: after the flashlight is assembled, the battery can be powered by a hand-cranked generator. After the battery is charged, it will power the circuit control board. By pressing the button switch and pressing multiple gears, the white light LED lamp beads can be powered on / off, or the red light LED lamp beads can be powered on / off. The work (lighting) of the white light LED lamp beads and the work (lighting) of the red light LED lamp beads are independent of each other, that is: the white light LED lamp beads are working (lighting), and the red light LED lamp beads are not working (not lighting) at this time, or the red light LED lamp beads are working (lighting), and the white light LED lamp beads are not working (not lighting) at this time, and then the light is transmitted through the light source lens; the work (lighting) of the white light LED lamp beads here is to select the white light constant light state, and the work (lighting) of the red light LED lamp beads is to select the red light flashing state.

[0065] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A new type of flashlight, characterized in that: The flashlight includes: a flashlight body, a light source head, a switch, a circuit control board, a battery and a hand-cranked generator. The light source head is installed on the flashlight body, and the light source head and the flashlight body form an inner cavity. The switch, circuit control board and battery are arranged in the inner cavity. The hand-cranked generator is installed on the flashlight body. The control end of the switch passes through a side wall of the flashlight body and extends to the outside, and the switch is used to turn the light source on or off. The switch is electrically connected to the circuit control board, the power output end of the battery is electrically connected to the power input end of the circuit control board, the power input end of the battery is electrically connected to the power output end of the hand-cranked generator, and the power output end of the circuit control board is electrically connected to the light source head through the switch.

2. A novel flashlight according to claim 1, characterized in that: The light source head includes a light source housing, a light source lens and an LED lamp. The light source lens and the LED lamp are installed on the light source housing. The LED lamp is electrically connected to the power output end of the circuit control board through the switch. The light emitted by the LED lamp is transmitted outward through the light source lens.

3. A novel flashlight according to claim 2, characterized in that: The light source lens includes a convex lens and a concave lens. The size of the convex lens is smaller than that of the concave lens. The convex lens is arranged around the concave lens, and the concave lenses correspond to the LED lamps one by one.

4. A novel flashlight according to claim 2, characterized in that: The light source head also includes a lampshade, which is mounted on the light source housing through a connecting piece.

5. A novel flashlight according to claim 3, characterized in that: The light source lens is integrally formed.

6. A novel flashlight according to claim 1, characterized in that: The hand-cranked generator includes a hand crank and a generator. The generator is arranged in the inner cavity of the flashlight body. The hand crank passes through a side wall of the flashlight body and is connected to the mover of the generator. The power output end of the generator is electrically connected to the power input end of the battery.

7. A novel flashlight according to claim 6, characterized in that: The hand crank comprises a transmission gear mechanism and a hand crank, wherein the hand crank is installed at the driven end of the transmission gear mechanism, and the driven end of the transmission gear mechanism is connected to the mover of the generator.

8. A novel flashlight according to claim 7, characterized in that: The hand crank comprises a rod body, a rotator and a clamping piece, one end of the rod body is mounted on the rotator, the other end of the rod body is mounted with the clamping piece, and the rotator is connected to the driven end of the transmission gear mechanism.

9. A novel flashlight according to claim 7, characterized in that: The transmission gear mechanism includes an I-shaped gear and a bevel gear. The driven end of the I-shaped gear is connected to the hand crank, and the output end of the I-shaped gear is meshed and connected to the bevel gear. The bevel gear is installed on the mover of the generator.

10. A novel flashlight according to claim 9, characterized in that: The "I"-shaped gears are selected from at least two "I"-shaped gears, and the "I"-shaped gears are meshed with each other for transmission.

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