Novel hand-cranking light source
By using hand-crank generators and gear mechanisms in hand-crank light sources, the problems of dry battery pollution and battery immatureness in hand-crank light sources are solved, and the durable use and efficient power supply of hand-crank light sources are achieved, which is suitable for a variety of application scenarios.
Patent Information
- Application Number
- CN202421231360.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-31
AI Technical Summary
The dry battery mode of the existing handheld light source has contamination problems, and the battery is not durable and requires regular charging, which can easily lead to the inability to use the light source.
A new type of hand-crank light source is designed, using a light source housing, light emitter, switch, battery and hand-crank generator. The battery is charged through a hand-crank self-generator to ensure constant power supply, combined with card parts and arc-shaped protrusions The combination with curved grooves enables the stable placement and effective rotation of the hand sway rod, and the coordination of the 'work' font gear and the bevel gear is facilitated for miniaturization.
It has achieved the improvement of the durability and effectiveness of the hand-cranked light source, ensuring a continuous supply of power, and is suitable for lighting, emergency help and early warning scenarios.
Smart Images

Figure CN222278487U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of light sources, in particular to a novel hand-cranked light source. 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. With the development of society, electronic products are emerging 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 such dry battery power is limited, and dry batteries are very easy to pollute the environment, and the cost is high, costing money, etc.; some flashlights use batteries to provide power. The batteries need to be charged regularly to meet the power supply needs. Users need to check the power or charging status of the flashlight regularly, etc., which will cause users to be sleepy and may forget to charge. Once they are not charged, the batteries may be out of power and the light source cannot be used. Over time, the use effect will be affected.
[0003] Therefore, in view of the above problems, the existing handheld light sources need to be further improved. Utility Model Content
[0004] The purpose of the utility model is to overcome the pollution of the dry battery mode of the existing handheld light source, the short durability of the battery and other problems; through the rational design of the hand-cranked light source, the use of the light source shell, the light emitter, the switch, the battery and the hand-cranked generator can achieve the durability of the hand-cranked light source and improve the use effect.
[0005] The technical solution of the utility model is as follows:
[0006] A new type of hand-cranked light source, which includes: a light source housing, a light emitter, a switch, a battery and a hand-cranked generator. The light emitter is installed on the light source housing, and the light emitter and the light source housing form an inner cavity, and the switch and the battery are arranged in the inner cavity. The hand-cranked generator is installed on the light source housing, and the control end of the switch passes through a side wall of the light source housing and extends to the outside, and the switch is used to turn the light emitter on or off. 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 battery is electrically connected to the light emitter through the switch.
[0007] Furthermore, the light source housing is a waterproof light source housing, and the waterproof grade of the light source housing exceeds IP56.
[0008] Further, the light source shell includes an upper light source shell and a lower light source shell, and the upper light source shell and the lower light source shell are connected by a snap-on connection; that is: the upper light source shell is provided with a snap-on protrusion, and the lower light source shell is provided with a snap-on groove, and the snap-on protrusion and the snap-on groove cooperate with each other to be snap-connected; or the upper light source shell is provided with a snap-on groove, and the lower light source shell is provided with a snap-on protrusion, and the snap-on protrusion and the snap-on groove cooperate with each other to be snap-connected.
[0009] Furthermore, the light source housing comprises an upper light source housing and a lower light source housing, and the upper light source housing and the lower light source housing are connected by threads (such as screws, bolts, etc.).
[0010] Furthermore, the upper light source housing and the lower light source housing are symmetrically arranged.
[0011] Furthermore, an external rotating rod is installed at the end of the light source housing, and the external rotating rod is used to be externally connected to a buckle ring for easy carrying.
[0012] Furthermore, the hand-cranked generator includes a hand crank and a generator, the generator is arranged in the inner cavity of the light source housing, the hand crank passes through a side wall of the light source housing and is connected to the mover of the generator, the hand crank is used to rotate in a circle by hand cranking, thereby driving the mover of the generator to rotate relative to the stator to generate electricity, 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, a hand-cranked yielding groove is provided at the end of the light source housing, and the hand-cranked yielding groove is used to yield a clamping piece on the hand-cranked lever.
[0016] 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. The arc-shaped protrusion and the arc-shaped groove cooperate with each other. When the rod body is rotated, the rod body itself has a slight shape change, which allows the arc-shaped protrusion to rotate freely. Here, the rod connector and the rod body are both made of plastic.
[0017] 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.
[0018] Furthermore, a limit clamp is provided on the rod connector along the vertical rotation axis direction, and a limit groove is provided at a corresponding position at one end of the rod body, and the limit clamp and the limit groove are matched with each other.
[0019] Furthermore, the “I”-shaped gears are selected from at least two “I”-shaped gears, and the “I”-shaped gears are meshed with each other.
[0020] Furthermore, the switch is a key switch or a touch switch.
[0021] Furthermore, a key slot is provided on the light source housing, and the key slot is used to make way for a key of the switch.
[0022] Furthermore, a button cover is sleeved on the button end of the switch.
[0023] Furthermore, the button cover is made of silicone material or rubber material.
[0024] Furthermore, the light source housing is made of plastic (such as PVC, PC, etc.).
[0025] Furthermore, the light source housing is a circular or elliptical light source housing.
[0026] Furthermore, the light emitter is a circular or elliptical light emitter.
[0027] Furthermore, a rubber buffer pad is adhered to the side surface of the light source housing.
[0028] Furthermore, the clamping member is rotatably mounted on the other end of the rod body.
[0029] Furthermore, the card piece is an elliptical card piece.
[0030] Furthermore, a circuit control board is provided on the light emitter, 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, and the power output end of the circuit control board is electrically connected to the light emitter through the switch.
[0031] Beneficial Effects
[0032] The utility model adopts a light source housing, a light emitter, a switch, a storage battery and a hand-cranked generator through a reasonable design of a hand-cranked light source. The storage battery can be continuously charged by hand-cranked self-generation to ensure that there is electricity when the light source is used, thereby achieving the durability of the hand-cranked light source and improving the use effect. The cooperation of the clamp and the hand-cranked clearance groove can realize the stable placement of the hand-cranked lever; the cooperation of the arc-shaped protrusion and the arc-shaped groove can realize the effective rotation and positioning of the hand-cranked lever under the appropriate deformation, which is more convenient for the generator to rotate and generate electricity; the cooperation of the "I"-shaped gear and the cooperation with the bevel gear can realize the operation in the vertical direction, which is convenient for the production of miniaturized light sources. The flashlight can be widely used in lighting, emergency rescue and early warning. BRIEF DESCRIPTION OF THE DRAWINGS
[0033] Figure 1 The utility model is a schematic diagram of the back structure of a new type of hand-cranked light source.
[0034] Figure 2 The utility model is a structural schematic diagram of a novel hand-cranked light source.
[0035] Figure 3 The utility model is a schematic diagram of the internal structure of a new type of hand-cranked light source without a rubber pad.
[0036] Figure 4 The utility model is a schematic diagram of the internal structure of a new type of hand-cranked light source.
[0037] Figure 5 The utility model is a structural schematic diagram of a hand-cranked generator of a novel hand-cranked light source.
[0038] Figure 6 This is a structural schematic diagram from another perspective of a hand-cranked generator of a new type of hand-cranked light source of the utility model.
[0039] Figure 7 The utility model is a schematic cross-sectional structure diagram of a hand-cranked generator of a new type of hand-cranked light source.
[0040] Figure numbers: 01, light source housing; 02, key slot; 03, light emitter; 04, key cover; 06, circuit control board; 07, battery; 10, rod body; 11, external rotating rod; 12, hand-cranked clearance slot; 13, clamp; 14, rotator; 15, arc-shaped protrusion; 16, limiting groove; 17, limiting clamp; 011, rubber buffer pad; 18, generator; 80, bevel gear; 81, second "I"-shaped gear; 82, first "I"-shaped gear; 83, rotator disk. DETAILED DESCRIPTION
[0041] 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.
[0042] See also Figure 1-Figure 7 As shown, the utility model provides a new type of hand-cranked light source, which includes: a light source housing 01, a light emitter 03, a switch, a battery 07 and a hand-cranked generator. The light source housing 01 includes an upper light source housing 01 and a lower light source housing 01. 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 hand crank includes a rod body 10, a rotator 14 and a clamp 13. The switch is a key switch.
[0043] The light emitter 03 is mounted on the light source housing 01, and the light emitter 03 and the light source housing 01 form an inner cavity, a switch and a battery 07 are arranged in the inner cavity, a hand-cranked generator is mounted on the light source housing 01, a control end of the switch penetrates a side wall of the light source housing 01 and extends to the outside, and the switch is used to turn the light emitter 03 on or off, a power input end of the battery 07 is electrically connected to a power output end of the hand-cranked generator, and a power output end of the battery 07 is electrically connected to the light emitter 03 through the switch;
[0044] Among them, the upper light source shell 01 and the lower light source shell 01 of the light source shell 01 are connected by snap-fit; that is: a snap-fitting protrusion is provided on the upper light source shell 01, and a snap-fitting groove is provided on the lower light source shell 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 light source shell 01, and a snap-fitting protrusion is provided on the lower light source shell 01, and the snap-fitting protrusion and the snap-fitting groove cooperate with each other to be snap-fitted; an external rotating rod 11 is installed at the end of the light source shell 01, and the external rotating rod 11 is used to externally connect a buckle ring that is easy to carry;
[0045] The generator 18 of the hand-cranked generator is arranged in the inner cavity of the light source housing 01, the hand crank penetrates a side wall of the light source housing 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 of 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; one end of the rod body 10 of the hand crank is installed on the rotator 14, and the other end of the rod body 10 is installed with a clamp 13, the rotator 14 is connected to the driven end of the transmission gear mechanism, and the clamp 13 can be rotatably installed 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;
[0046] Among them, a hand-cranked yielding slot 12 is provided at the end of the light source housing 01, and the hand-cranked yielding slot 12 is used to yield the clamping piece 13 on the hand-cranked lever; a key slot 02 is provided on the light source housing 01, and the key slot 02 is used to yield the key of the switch;
[0047] Among them, the rotator 14 is provided with a rotator disk 83, and the rotator disk 83 is provided with a rod connector, and the rod connector is rotatably connected with one end of the rod body 10 through a rotating shaft. The rod connector is provided with a symmetrical arc-shaped protrusion 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 protrusion 15 and the arc-shaped groove 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 protrusion 15 can be allowed; a limit clamp 17 is provided on the rod connector along the vertical rotating shaft direction, 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.
[0048] 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, and the output end of the I-shaped gear is meshed with the bevel gear 80. 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 with each other for transmission, that is, the first I-shaped gear 82 and the second I-shaped gear 81 are meshed for transmission, the first I-shaped gear 82 is connected to the rotating disk 83, and the second I-shaped gear 81 is connected to the bevel gear 80.
[0049] The key end of the switch is sleeved with a key cover 04, which is made of silicone or rubber. The light source housing 01 is made of plastic, which is round or oval, and a rubber cushion 011 is pasted on the side of the light source housing 01.
[0050] Among them, a circuit control board 06 is provided on the light emitter, a switch is electrically connected to the circuit control board 06, a power output end of the battery 07 is electrically connected to a power input end of the circuit control board 06, and the power output end of the circuit control board 06 is electrically connected to the light emitter through the switch.
[0051] Specific implementation methods of the utility model: After assembling the hand-cranked light source, a hand-cranked generator can be selected to power the battery. After the battery is charged, it will power the circuit control board. Through the key switch, the light emitter can be powered on / off to spread the light.
[0052] 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 hand-cranked light source, characterized in that: The hand-cranked light source includes: a light source housing, a light emitter, a switch, a battery and a hand-cranked generator. The light emitter is installed on the light source housing, and the light emitter and the light source housing form an inner cavity. The switch and the battery are arranged in the inner cavity. The hand-cranked generator is installed on the light source housing. The control end of the switch passes through a side wall of the light source housing and extends to the outside, and the switch is used to turn the light emitter on or off. 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 battery is electrically connected to the light emitter through the switch.
2. A new type of hand-cranked light source according to claim 1, characterized in that: The light source housing comprises an upper light source housing and a lower light source housing, and the upper light source housing and the lower light source housing are connected by snap-fit or threaded connection.
3. According to the novel hand-cranked light source of claim 1, it is characterized in that: An external rotating rod is installed at the end of the light source housing, and the external rotating rod is used for externally connecting a buckle ring for easy carrying.
4. A new type of hand-cranked light source according to claim 1, characterized in that: The hand-cranked generator includes a hand crank and a generator, wherein the generator is arranged in the inner cavity of the light source housing, the hand crank passes through a side wall of the light source housing and is connected to the mover of the generator, and the hand crank is used to rotate in a circle by hand cranking, thereby driving the mover of the generator to rotate relative to the stator to generate electricity, and the power output end of the generator is electrically connected to the power input end of the battery.
5. A new type of hand-cranked light source according to claim 4, 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.
6. A new type of hand-cranked light source according to claim 5, 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.
7. A new type of hand-cranked light source according to claim 6, characterized in that: A hand-cranked clearance groove is provided at the end of the light source housing, and the hand-cranked clearance groove is used to make way for the clamping piece on the hand-cranked lever.
8. The novel hand-cranked light source according to claim 6 is characterized in that: The rotator is provided with a rod connector, which is rotatably connected to one end of the rod body via 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 protrusion and the arc-shaped groove cooperate with each other.
9. The novel hand-cranked light source according to claim 5 is 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. The novel hand-cranked light source according to claim 8, characterized in that: A limiting clamp is provided on the rod connector along a direction perpendicular to the rotation axis, and a limiting groove is provided at a corresponding position at one end of the rod body, and the limiting clamp and the limiting groove are matched with each other.