Portable lighting device

Abstract

The utility model discloses a portable lighting device, which belongs to the technical field of lighting devices, and comprises a lighting device main body, the front surface of the lighting device main body is connected with an LED lamp, the back surface of the lighting device main body is connected with an elastic bandage, one side of the lighting device main body is connected with a control switch, and the other side of the lighting device main body is connected with a power supply. A protective shell is connected to the lighting device body, a heat conduction plate is connected into the protective shell, and the heat conduction plate is clamped with the lighting device body. According to the portable lighting device, by arranging the lighting device body, the LED lamp, the protection shell, a heat conduction plate, a heat dissipation column, a heat dissipation fan, heat dissipation holes and a guide plate, hot air in the protection shell flows out of the heat dissipation holes, the direction of air blown out by the heat dissipation fan is changed through a baffle, then the surface of the LED lamp is blown, foreign matter adhering to the surface is blown away, and the service life of the LED lamp is prolonged. And meanwhile, the surface of the LED lamp is cleaned, and the service life of the portable lighting device is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of lighting devices, in particular to a portable lighting device. Background Art

[0002] In life, people use lighting devices in dark environments. The environment in mines is relatively humid, hot and dark. When working, workers use portable lighting devices for lighting. Existing portable lighting devices include handheld and head-mounted types. Workers will choose head-mounted types when working. When the lighting device is used for a long time, heat will accumulate, causing damage to the lighting device. When working in mines, a large amount of dust will be generated and adhere to the lighting device, which will reduce the lighting effect of the lighting device. Utility Model Content

[0003] In order to overcome the above defects, the utility model provides a portable lighting device, which solves the problems of heat accumulation and inconvenience in cleaning of the portable lighting device.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a portable lighting device, comprising a lighting device body, an LED lamp is connected to the front of the lighting device body, an elastic band is connected to the back of the lighting device body, a control switch is connected to one side of the lighting device body, a protective shell is connected to the lighting device body, and a heat conducting plate is connected inside the protective shell, the heat conducting plate is engaged with the lighting device body, a heat dissipation column is connected to the heat conducting plate, a heat dissipation fan is connected to the heat conducting plate, heat dissipation holes are provided in the protective shell, a guide plate is connected to the front of the protective shell, and the guide plate and the heat dissipation holes are arranged correspondingly, a slide groove is provided on the front of the protective shell, a transmission device is connected to the back of the heat dissipation fan, a sliding assembly is connected to the outside of the transmission device, a limiting assembly is connected to the outside of the sliding assembly, and a cleaning device is connected to the front of the limiting assembly.

[0005] As a further solution of the utility model: the transmission device includes a transmission belt, and one end of the transmission belt is connected to the cooling fan, the transmission belt is connected to a transmission rod outside, and the transmission rod is rotatably connected to the protective shell, the transmission rod is connected to a bevel gear 1 outside, and the bevel gear 1 is meshed with a bevel gear 2 outside, one side of the bevel gear 2 is connected to a reciprocating screw, and the reciprocating screw is rotatably connected to the protective shell.

[0006] As a further solution of the utility model: the sliding assembly includes a slider 1, which is threadedly connected to the reciprocating screw rod, a slide groove 2 is opened in the slider 1, and a return spring is connected to the slide groove 2, a clamping block 1 is connected under the return spring, and the clamping block 1 is slidably connected to the slide groove 2, a sliding rod is slidably connected in the slider 1, and the sliding rod is connected to the inside of the protective shell.

[0007] As a further solution of the utility model: the limit assembly includes a limit block and a telescopic spring, and the limit block is slidably connected to the sliding rod, a limit groove is opened in the limit block, and a clamping block 2 is connected in the limit groove, one side of the clamping block 2 is connected to a push rod, and the push rod is externally threaded with a threaded sleeve, the threaded sleeve is rotatably connected to the protective shell, the telescopic spring is connected to the sliding rod, and one end of the telescopic spring overlaps the limit block.

[0008] As a further solution of the utility model: the cleaning device includes a storage box, and the back of the storage box is connected to the main body of the lighting device, a cleaning brush is connected inside the storage box, and a slider 2 is connected to the back of the cleaning brush, the slider 2 is slidably connected to the slide groove 1, and a traction rope is connected to one side of the slider 2, and one end of the traction rope is connected to the limit block.

[0009] As a further solution of the utility model: a rotating shaft is rotatably connected inside the storage box, and a torsion spring is connected outside the rotating shaft. An elastic rope is connected outside the rotating shaft, and one end of the elastic rope is connected to the cleaning brush.

[0010] As a further solution of the utility model: one side of the clamping block 1 is an inclined surface, and the clamping block 1 is arranged corresponding to the limiting groove, and the shape of the guide plate is an arc.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The portable lighting device is provided with a lighting device body, an LED lamp, a protective shell, a heat conducting plate, a heat dissipation column, a heat dissipation fan, a heat dissipation hole and a guide plate. The heat of the lighting device body and the LED lamp is transferred to the heat dissipation column through the heat conducting plate, and the heat dissipation fan is started, so that the hot air in the protective shell flows out from the heat dissipation hole and passes through the baffle plate, so that the wind direction blown by the heat dissipation fan is changed, and then the surface of the LED lamp is blown away to blow away foreign matter adhered to the surface, thereby facilitating the heat dissipation of the lighting device body, and at the same time, the surface of the LED lamp is cleaned, thereby ensuring the service life of the portable lighting device.

[0013] 2. The portable lighting device is provided with a limit assembly, a limit block, a limit groove, a second clamping block, a push rod, a threaded sleeve and a telescopic spring. By rotating the threaded sleeve, the push rod is extended out of the threaded sleeve, and the second clamping block is pushed to move toward the limit block, so that the second clamping block is engaged with the limit groove, thereby limiting the slider one, ensuring the stable operation of the cooling fan, and preventing the cleaning brush from blocking the LED lamp, thereby affecting the illuminated area of ​​the LED lamp.

[0014] 3. The portable lighting device is provided with a traction rope, a storage box, a cleaning brush, a second slider, a rotating shaft, a torsion spring and an elastic rope. The rotation of the threaded rod drives the first slider to move, so that the slider engages with the limit block, drives the limit block to move along the slide rod, pulls the traction rope, and causes the traction rope to drive the cleaning brush to move, thereby stretching the elastic rope, driving the rotating shaft to rotate, and compressing the torsion spring, so as to further clean the surface of the LED lamp and clean relatively firm foreign objects. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural diagram of the main body of the lighting device of the utility model;

[0016] Figure 2 It is a schematic diagram of the structure of the protective housing of the utility model in a three-dimensional rear view;

[0017] Figure 3 This is a schematic diagram of the three-dimensional structure of the main body of the lighting device of the utility model;

[0018] Figure 4 For this utility model Figure 3 The enlarged structural diagram at A in the middle;

[0019] Figure 5 It is a three-dimensional structural diagram of the limit assembly of the utility model;

[0020] Figure 6 This is a schematic diagram of a three-dimensional structure of a sliding block of the utility model;

[0021] Figure 7 This is a schematic diagram of the three-dimensional structure of the storage box of the utility model from the rear;

[0022] Figure 8 This is a schematic diagram of the three-dimensional structure of the storage box of the utility model when cut away from the rear;

[0023] In the figure: 1. lighting device body; 2. LED lamp; 3. elastic band; 4. control switch; 5. protective shell; 6. heat conduction plate; 7. heat dissipation column; 8. heat dissipation fan; 9. heat dissipation hole; 10. guide plate; 11. slide groove 1; 12. transmission device; 121. transmission belt; 122. transmission rod; 123. bevel gear 1; 124. bevel gear 2; 125. reciprocating screw rod; 13. sliding assembly; 131. slider 1; 132. Slide groove 2; 133, reset spring; 134, block 1; 135, slide rod; 14, limit assembly; 141, limit block; 142, limit groove; 143, block 2; 144, push rod; 145, threaded sleeve; 146, telescopic spring; 15, cleaning device; 151, storage box; 152, cleaning brush; 153, slide block 2; 154, rotating shaft; 155, torsion spring; 156, elastic rope; 157, traction rope. DETAILED DESCRIPTION

[0024] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0025] like Figure 1-8 As shown, the utility model provides a technical solution: a portable lighting device, comprising a lighting device body 1, an LED lamp 2 is connected to the front of the lighting device body 1, an elastic band 3 is connected to the back of the lighting device body 1, a control switch 4 is connected to one side of the lighting device body 1, a protective shell 5 is connected to the lighting device body 1, and a heat conducting plate 6 is connected inside the protective shell 5, the heat conducting plate 6 is engaged with the lighting device body 1, and a heat dissipation column 7 is connected to the heat conducting plate 6, and by providing the heat conducting plate 6 and the heat dissipation column 7, the heat of the lighting device body 1 is conducted through the heat conducting plate 6;

[0026] A heat dissipation fan 8 is connected to the heat conduction plate 6, a heat dissipation hole 9 is opened in the protective shell 5, a guide plate 10 is connected to the front of the protective shell 5, and the guide plate 10 is arranged corresponding to the heat dissipation hole 9, a slide groove 11 is opened on the front of the protective shell 5, a transmission device 12 is connected to the back of the heat dissipation fan 8, and the transmission device 12 is externally connected to a sliding component 13, the sliding component 13 is externally connected to a limiting component 14, and the limiting component 14 is connected to a cleaning device 15 on the front. By providing the heat dissipation fan 8, it is convenient to exchange the air inside and outside the protective shell 5.

[0027] The transmission device 12 includes a transmission belt 121, and one end of the transmission belt 121 is connected to the heat dissipation fan 8, the transmission belt 121 is connected to a transmission rod 122 outside, and the transmission rod 122 is rotatably connected to the protective shell 5, the transmission rod 122 is connected to a bevel gear 123 outside, and the bevel gear 123 is meshed with a bevel gear 2 124 outside, and a reciprocating screw 125 is connected to one side of the bevel gear 2 124, and the reciprocating screw 125 is rotatably connected to the protective shell 5. By providing the transmission belt 121 and the transmission rod 122, it is convenient to transmit the power of the heat dissipation fan 8, and by providing the bevel gear 123 and the bevel gear 2 124, it is convenient to transmit power.

[0028] The sliding assembly 13 includes a slider 131, which is threadedly connected to the reciprocating screw 125. A slide groove 132 is provided in the slider 131, and a return spring 133 is connected to the slide groove 132. A clamping block 134 is connected below the return spring 133, and the clamping block 134 is slidably connected to the slide groove 132. A sliding rod 135 is slidably connected to the slider 131, and the sliding rod 135 is connected to the inside of the protective shell 5. By providing the return spring 133, when the elasticity of the return spring 133 is restored, the clamping block 134 is pushed to reset. When the clamping block 134 is engaged with the limit block 141, the return spring 133 is at its original length to keep the clamping block 134 engaged with the limit block 141.

[0029] The limiting assembly 14 includes a limiting block 141 and a telescopic spring 146, and the limiting block 141 is slidably connected to the slide rod 135, a limiting groove 142 is provided in the limiting block 141, and a second clamping block 143 is connected in the limiting groove 142, a push rod 144 is connected to one side of the second clamping block 143, and the push rod 144 is externally threadedly connected to a threaded sleeve 145, the threaded sleeve 145 is externally rotatably connected to the protective shell 5, and the telescopic spring 146 is internally connected to the slide rod 135, and the telescopic spring One end of 146 overlaps with the limit block 141, and a second block 143 is provided to facilitate limiting the block 134. A threaded sleeve 145 and a push rod 144 are provided, and the threaded sleeve 145 is rotated to drive the push rod 144 to move. A telescopic spring 146 is provided to ensure that the block 134 is disengaged from the limit groove 142 when the limit is released, and when the slider 131 approaches the limit block 141, the limit block 141 is kept in contact with the slider 131.

[0030] The cleaning device 15 includes a storage box 151, and the back of the storage box 151 is connected to the lighting device body 1, a cleaning brush 152 is connected in the storage box 151, and a slider 2 153 is connected to the back of the cleaning brush 152, the slider 2 153 is slidably connected in the slide groove 11, and a traction rope 157 is connected to one side of the slider 2 153, and one end of the traction rope 157 is connected to the limit block 141. The traction rope 157 is provided to facilitate pulling the cleaning brush 152 to move, and a rubber sealing ring is provided outside the traction rope 157 to prevent foreign matter from entering the protective shell 5. The slide groove 11 and the slider 2 153 are provided to facilitate the cleaning brush 152 to move along the slide groove 11.

[0031] A rotating shaft 154 is rotatably connected inside the storage box 151, and a torsion spring 155 is connected to the outside of the rotating shaft 154. An elastic rope 156 is connected to the outside of the rotating shaft 154, and one end of the elastic rope 156 is connected to the cleaning brush 152. By providing the torsion spring 155, when the elasticity of the torsion spring 155 is restored, the rotating shaft 154 is driven to rotate, so that the elastic rope 156 contracts. By providing the elastic rope 156, it is convenient to pull the cleaning brush 152 to reset.

[0032] One side of the block 134 is an inclined surface, and the block 134 is arranged corresponding to the limit groove 142. The shape of the guide plate 10 is arc-shaped. By providing the block 134, it is convenient to engage with the limit block 141. The inclined surface of one side of the block 134 pushes the block 134 to move when the slider 131 approaches the limit block 141. By providing the guide plate 10, and the shape of the guide plate 10 is arc-shaped, it is convenient to change the wind direction of the heat dissipation fan 8 so that the wind blows toward the surface of the LED lamp 2.

[0033] The working principle of the utility model is as follows: when lighting is performed, the lighting device body 1 is first assembled through the elastic band 3, and the LED lamp 2 is started by the control switch 4, and the heat dissipation fan 8 is controlled to operate at the same time, so that the wind generated by the heat dissipation fan 8 causes the heat radiation generated by the heat conducting plate 6 and the heat dissipation column 7 to the air to be discharged through the heat dissipation hole 9, and foreign objects adhered to the surface of the LED lamp 2 are cleaned through the guide plate 10, and air is made to flow in from the vents on both sides of the protective shell 5, and the vents and the heat dissipation holes 9 are both provided with dustproof nets, thereby completing the lighting; when the LED lamp 2 is further cleaned, the operation of the heat dissipation fan 8 drives the transmission belt 121 to operate, so that the transmission rod 122 drives the bevel gear 1 123 to rotate, thereby driving the bevel gear 2 124 and the reciprocating screw 125 to rotate, so that the slider 131 is close to the limit block 141, and the threaded sleeve 145 is rotated so that the push rod 144 drives the block 2 143 is pulled out from the limit groove 142, thereby releasing the limit, and then the card block 134 is fitted with the limit block 141, and the card block 134 is pushed to move, compressing the return spring 133. When the card block 134 completely enters the limit groove 142, the elasticity of the return spring 133 is restored, pushing the card block 134 to engage with the limit block 141, and then the slider 131 moves along the reciprocating screw rod 125, driving the limit block 141 to move, so that the traction rope 157 pulls the cleaning brush 152 to further clean the LED lamp 2, and at the same time stretches the elastic rope 156 and compresses the torsion spring 155. After the LED lamp 2 is cleaned, the elastic recovery of the torsion spring 155 and the elastic rope 156 pulls the cleaning brush 152 to reset, and at the same time the slider 131 moves along the reciprocating screw rod 125. After the cleaning brush 152 is reset, the limit block 141 is limited, thereby completing the further cleaning of the surface of the LED lamp 2.

[0034] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0035] The above describes in detail the preferred implementation of this patent, but this patent is not limited to the above implementation. Various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of this patent.

Claims

1. A portable lighting device, comprising a lighting device body (1), characterized in that: The front of the lighting device body (1) is connected to an LED lamp (2), the back of the lighting device body (1) is connected to an elastic band (3), one side of the lighting device body (1) is connected to a control switch (4), the lighting device body (1) is connected to a protective shell (5), and a heat conducting plate (6) is connected inside the protective shell (5), the heat conducting plate (6) is engaged with the lighting device body (1), a heat dissipation column (7) is connected to the heat conducting plate (6), and a heat dissipation fan (8) is connected to the heat conducting plate (6) The protective shell (5) is provided with a heat dissipation hole (9), the front of the protective shell (5) is connected to a guide plate (10), and the guide plate (10) is arranged corresponding to the heat dissipation hole (9), the front of the protective shell (5) is provided with a slide groove (11), the back of the heat dissipation fan (8) is connected to a transmission device (12), and the transmission device (12) is externally connected to a sliding component (13), the sliding component (13) is externally connected to a limit component (14), and the front of the limit component (14) is connected to a cleaning device (15).

2. A portable lighting device according to claim 1, characterized in that: The transmission device (12) comprises a transmission belt (121), and one end of the transmission belt (121) is connected to the heat dissipation fan (8); the transmission belt (121) is externally connected to a transmission rod (122), and the transmission rod (122) is rotatably connected to the inside of the protective shell (5); the transmission rod (122) is externally connected to a bevel gear 1 (123), and the bevel gear 1 (123) is externally meshed with a bevel gear 2 (124); one side of the bevel gear 2 (124) is connected to a reciprocating screw (125), and the reciprocating screw (125) is rotatably connected to the inside of the protective shell (5).

3. A portable lighting device according to claim 2, characterized in that: The sliding assembly (13) comprises a slider 1 (131), and the slider 1 (131) is threadedly connected to the reciprocating screw rod (125), a slide groove 2 (132) is provided in the slider 1 (131), and a return spring (133) is connected to the slide groove 2 (132), a clamping block 1 (134) is connected below the return spring (133), and the clamping block 1 (134) is slidably connected to the slide groove 2 (132), a sliding rod (135) is slidably connected in the slider 1 (131), and the sliding rod (135) is connected to the inside of the protective shell (5).

4. A portable lighting device according to claim 3, characterized in that: The limit assembly (14) comprises a limit block (141) and a telescopic spring (146), and the limit block (141) is slidably connected to the slide rod (135). A limit groove (142) is provided in the limit block (141), and a second clamping block (143) is connected to the limit groove (142). A push rod (144) is connected to one side of the second clamping block (143), and the push rod (144) is externally threadedly connected to a threaded sleeve (145), and the threaded sleeve (145) is externally rotatably connected to the protective shell (5). The telescopic spring (146) is internally connected to the slide rod (135), and one end of the telescopic spring (146) overlaps the limit block (141).

5. A portable lighting device according to claim 4, characterized in that: The cleaning device (15) comprises a storage box (151), and the back of the storage box (151) is connected to the main body (1) of the lighting device, a cleaning brush (152) is connected inside the storage box (151), and the back of the cleaning brush (152) is connected to a second slider (153), the second slider (153) is slidably connected to the first slide groove (11), and a traction rope (157) is connected to one side of the second slider (153), and one end of the traction rope (157) is connected to a limit block (141).

6. A portable lighting device according to claim 5, characterized in that: The storage box (151) is rotatably connected with a rotating shaft (154), and the rotating shaft (154) is externally connected with a torsion spring (155). The rotating shaft (154) is externally connected with an elastic rope (156), and one end of the elastic rope (156) is connected to the cleaning brush (152).

7. A portable lighting device according to claim 4, characterized in that: One side of the clamping block (134) is an inclined surface, and the clamping block (134) is arranged corresponding to the limiting groove (142), and the shape of the guide plate (10) is arc-shaped.

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