Explosion-proof flashlight with magnetically controlled switch

Abstract

The utility model relates to an explosion-proof flashlight with a magnetic control switch. The explosion-proof flashlight comprises a flashlight body, a lighting assembly arranged at the front end of the flashlight body, a rear cover arranged at the tail end of the flashlight body, a switch assembly arranged on the rear cover, a battery arranged in the flashlight body and a conductive assembly. The lighting assembly comprises a heat dissipation base connected with the flashlight body and a lamp panel arranged on the heat dissipation base. The switch assembly comprises a circuit board arranged in the rear cover, a magnetic control switch arranged on the circuit board and a magnet ring which is arranged outside the rear cover in a sleeving mode and rotates relative to the rear cover, and the magnet ring is used for triggering the magnetic control switch. According to the explosion-proof flashlight with the magnetic control switch, the circuit board and the magnetic control switch are arranged inside the rear cover, the magnetic ring is arranged outside the rear cover in a sleeved mode, opening and closing or adjustment is carried out by rotating the magnetic ring, the switch assembly does not need to penetrate through the rear cover, and therefore the sealing performance of the explosion-proof flashlight is guaranteed.

Description

Technical Field

[0001] This application relates to the field of flashlight technology, and more particularly to an explosion-proof flashlight with a magnetic control switch. Background Technology

[0002] Current flashlights generally use a mechanical contact switch structure, which has the following technical defects: mechanical switches are prone to generating electric sparks when activated, posing a safety hazard and failing to meet intrinsically safe explosion-proof requirements; the switch assembly requires an operating component that penetrates the flashlight body, affecting the overall sealing of the flashlight. Utility Model Content

[0003] To address the aforementioned issues, this technical solution provides an explosion-proof flashlight with a magnetic control switch.

[0004] To achieve the above objectives, the technical solution is as follows:

[0005] An explosion-proof flashlight with a magnetic control switch includes a body, an illumination component disposed on the front end of the body, a rear cover disposed on the rear end of the body, a switch component disposed on the rear cover, a battery disposed inside the body, and a conductive component.

[0006] The lighting assembly includes a heat sink connected to the cylinder body and a lamp plate disposed on the heat sink;

[0007] The switch assembly includes a circuit board disposed inside the rear cover, a magnetic switch disposed on the circuit board, and a magnetic ring sleeved outside the rear cover and rotating relative to the rear cover, the magnetic ring being used to trigger the magnetic switch.

[0008] As described above, an explosion-proof flashlight with a magnetic switch includes a rear cover comprising a side wall and a base plate, an extension ring on the outer side of the base plate, and a button retaining ring in the switch assembly. The button retaining ring is threadedly connected to the extension ring to restrict the magnetic ring between the base plate and the button retaining ring.

[0009] As described above, in an explosion-proof flashlight with magnetic control switches, multiple magnetic control switches are distributed circumferentially on the circuit board. A magnet is provided on the magnetic ring, and a positioning mechanism is provided on the magnetic ring to restrict the magnet to a position corresponding to the magnetic control switch.

[0010] As described above, an explosion-proof flashlight with a magnetic control switch includes a positioning mechanism comprising a mounting groove on the magnet ring, a positioning pin on the mounting groove, and a positioning spring between the positioning pin and the mounting groove. The rear cover has a positioning groove, and when the positioning pin is inserted into the positioning groove, the magnet corresponds to the magnetic control switch.

[0011] As described above, in an explosion-proof flashlight with a magnetic control switch, the base plate is provided with an arc-shaped groove, and the magnet is embedded in the arc-shaped groove to limit the rotation range of the magnet.

[0012] As described above, an explosion-proof flashlight with a magnetic control switch includes a conductive component comprising a positive conductive plate disposed on the heat sink and a negative conductive plate disposed on the rear cover. The positive conductive plate is used to connect the positive terminal of the battery to the lamp plate, and the negative conductive plate is used to connect the negative terminal of the battery to the switch assembly. The switch assembly is electrically connected to the lamp plate through the flashlight body.

[0013] As described above, an explosion-proof flashlight with a magnetic control switch includes a tactile switch on the circuit board, a button for triggering the tactile switch, and a button ring for fixing the button on the rear cover.

[0014] As described above, in an explosion-proof flashlight with a magnetic control switch, the button has an outwardly protruding limiting part on its periphery. When the button pressure ring is sleeved on the button and threadedly connected to the inner side of the extension ring, the limiting part is restricted between the button pressure ring and the base plate.

[0015] As described above, an explosion-proof flashlight with a magnetic control switch has a conductive plate pressure ring and a conductive plate fixing ring on the rear cover. The negative conductive plate is located between the conductive plate fixing ring and the conductive plate pressure ring. The conductive plate pressure ring is threaded into the rear cover to press the negative conductive plate against the rear cover.

[0016] As described above, in an explosion-proof flashlight with a magnetic control switch, a first sealing ring is provided between the rear cover and the body, and a first annular groove is provided on the body for the first sealing ring to be inserted.

[0017] The beneficial effects of this application are:

[0018] This invention provides an explosion-proof flashlight with a magnetic control switch. The circuit board and magnetic control switch are located inside the back cover, and the magnetic ring is sleeved on the outside of the back cover. The flashlight is switched on or adjusted by rotating the magnetic ring. The switch assembly does not need to penetrate the back cover, thus ensuring the sealing of the explosion-proof flashlight. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below.

[0020] Figure 1 This is a schematic diagram of the structure of this application;

[0021] Figure 2 This is a half-sectional view of this application;

[0022] Figure 3 This is an exploded view of the switch assembly structure of this application. Detailed Implementation

[0023] To make the technical problems solved, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0024] An explosion-proof flashlight with a magnetic control switch includes a body 1, an illumination component 2 disposed on the front end of the body 1, a rear cover 3 disposed on the rear end of the body 1, a switch component 4 disposed on the rear cover 3, a battery 5 disposed inside the body 1, and a conductive component 6.

[0025] The lighting assembly 2 includes a heat sink 21 connected to the cylinder body 1, and a lamp plate 22 disposed on the heat sink 21;

[0026] The switch assembly 4 includes a circuit board 41 disposed inside the rear cover 3, a magnetic switch 45 disposed on the circuit board 41, and a magnet ring 46 sleeved outside the rear cover 3 and rotating relative to the rear cover 3. The magnet ring 46 is used to trigger the magnetic switch 45.

[0027] This invention provides an explosion-proof flashlight with a magnetic control switch. The circuit board and magnetic control switch are located inside the back cover, and the magnetic ring is sleeved on the outside of the back cover. The flashlight is switched on or adjusted by rotating the magnetic ring. The switch assembly does not need to penetrate the back cover, thus ensuring the sealing of the explosion-proof flashlight.

[0028] Furthermore, as a preferred embodiment of this solution and not a limitation, the rear cover 3 includes a side wall 31 and a base plate 32. An extension ring 321 is provided on the outer side of the base plate 32. The switch assembly 4 also includes a button retaining ring 44, which is threadedly connected to the extension ring 321 to constrain the magnet ring 46 between the base plate 32 and the button retaining ring 44. The extension ring allows the magnet ring to be fitted and rotated around it.

[0029] Furthermore, as a preferred embodiment of this solution and not a limitation, a plurality of magnetic switches 45 are distributed circumferentially on the circuit board 41, a magnet 47 is provided on the magnet ring 46, and a positioning mechanism 7 is provided on the magnet ring 46 to restrict the magnet 47 to a position corresponding to the magnetic switch 45.

[0030] Furthermore, as a preferred embodiment of this solution and not a limitation, the positioning mechanism 7 includes a mounting groove 71 on the magnet ring 46, a positioning pin 72 on the mounting groove 71, and a positioning spring 73 between the positioning pin 72 and the mounting groove 71. The rear cover 3 has a positioning groove 36. When the positioning pin 72 is inserted into the positioning groove 36, the magnet 47 corresponds to the magnetic control switch 45. When the magnet ring rotates, the positioning pin is pressed by the bottom plate and moves in the direction of retracting into the mounting groove. When it reaches the positioning groove, it is pressed by the positioning spring and inserted into the positioning groove.

[0031] Furthermore, as a preferred embodiment of this solution and not a limitation thereof, the base plate 32 is provided with an arc-shaped groove 322, and the magnet 47 is embedded in the arc-shaped groove 322 to limit the rotation range of the magnet 47.

[0032] Furthermore, as a preferred embodiment of this solution and not a limitation thereof, the conductive component 6 includes a positive conductive plate 61 disposed on the heat sink 21 and a negative conductive plate 62 disposed on the rear cover 3. The positive conductive plate 61 is used to connect the positive terminal of the battery 5 to the lamp plate 22, and the negative conductive plate 62 is used to connect the negative terminal of the battery 5 to the switch assembly 4. The switch assembly 4 is electrically connected to the lamp plate 22 through the cylinder body 1.

[0033] Furthermore, as a preferred embodiment of this solution and not a limitation, the switch assembly 4 also includes a tactile switch 42 disposed on the circuit board 41, a button 43 for triggering the tactile switch 42, and a button retaining ring 44 for fixing the button 43 to the rear cover 3. Installation is simple and reliable.

[0034] Furthermore, as a preferred embodiment of this solution and not a limitation, the button 43 is provided with an outwardly protruding limiting part 431 on its periphery. When the button pressure ring 44 is sleeved on the button 43 and threadedly connected to the inner side of the extension ring 321, the limiting part 431 is restricted between the button pressure ring 44 and the base plate 32.

[0035] Furthermore, as a preferred embodiment of this solution and not a limitation, the rear cover 3 is provided with a conductive plate pressure ring 33 and a conductive plate fixing ring 35, the negative electrode conductive plate 62 is located between the conductive plate fixing ring 35 and the conductive plate pressure ring 33, and the conductive plate pressure ring 33 is threadedly engaged with the rear cover 3 to press the negative electrode conductive plate 62 against the rear cover 3.

[0036] Furthermore, as a preferred embodiment of this solution and not a limitation, the rear cover 3 is provided with a conductive plate retaining ring 33 and a conductive plate fixing ring 35. The negative conductive plate 62 is located between the conductive plate fixing ring 35 and the conductive plate retaining ring 33. The conductive plate retaining ring 33 is threadedly engaged with the rear cover 3 to press the negative conductive plate 62 onto the rear cover 3. The conductive plate retaining ring presses the negative conductive plate, the conductive plate fixing ring, and the circuit board sequentially onto the base plate.

[0037] Furthermore, as a preferred embodiment of this solution and not a limitation, a first sealing ring 34 is provided between the rear cover 3 and the cylindrical body 1, and a first annular groove 11 is provided on the cylindrical body 1 for the first sealing ring 34 to be inserted into. This enhances the sealing effect.

[0038] Furthermore, as a preferred embodiment of this solution and not a limitation, the front end of the cylinder body 1 is provided with a pressure ring 12 threadedly connected thereto, and a second sealing ring 13 disposed between the two. This enhances the sealing effect.

[0039] Furthermore, as a preferred embodiment of this solution and not a limitation, the lighting assembly 2 further includes LED beads 23 disposed on the lamp plate 22, a central cover 24 sleeved around the LED beads 23, a lamp cup 25 disposed on the central cover 24, and a tempered glass cover 26 disposed on the lamp cup 25. The pressure ring 12 presses against the tempered glass cover 26, so that both ends of the lamp cup 25 press against the tempered glass cover 26 and the central cover 24 respectively. In this utility model, the lamp head and the lamp body are integrated, and the lighting assembly is installed inside the cylinder body.

[0040] Furthermore, as a preferred embodiment of this solution and not a limitation, the front end of the cylinder body 1 is provided with a second annular groove 14 for the second sealing ring 13 to be embedded in, thereby increasing the sealing effect.

[0041] Furthermore, as a preferred embodiment of this solution and not a limitation, the cylindrical body 1 is provided with an illumination cavity 15 and a battery cavity 16 arranged sequentially from its front end to its rear end. A limiting platform 17 for supporting the heat sink 21 is provided between the illumination cavity 15 and the battery cavity 16. The heat sink 21 is provided with a support ring 211 extending towards the battery cavity 16. The support ring 211 is used to support the positive electrode conductive plate 61 and is spaced apart from the heat sink 21. This facilitates heat dissipation of the lamp plate.

[0042] Furthermore, as a preferred embodiment of this solution and not a limitation, the cylindrical body 1 is provided with a third annular groove 18 and a back clip 19 clamped on the third annular groove 18. This facilitates clamping and carrying.

[0043] The above description is only a preferred embodiment of this application and is not intended to limit the scope of implementation of this application. Any other embodiments whose principles and basic structures are the same as or similar to those of this application are within the protection scope of this application.

Claims

1. An explosion-proof flashlight with a magnetic control switch, characterized in that: It includes a cylindrical body (1), a lighting component (2) disposed on the front end of the cylindrical body (1), a rear cover (3) disposed on the rear end of the cylindrical body (1), a switch component (4) disposed on the rear cover (3), a battery (5) disposed inside the cylindrical body (1), and a conductive component (6). The lighting assembly (2) includes a heat sink (21) connected to the cylindrical body (1) and a lamp plate (22) disposed on the heat sink (21); The switch assembly (4) includes a circuit board (41) disposed inside the rear cover (3), a magnetic switch (45) disposed on the circuit board (41), and a magnet ring (46) sleeved outside the rear cover (3) and rotating relative to the rear cover (3). The magnet ring (46) is used to trigger the magnetic switch (45).

2. The explosion-proof flashlight with a magnetic switch according to claim 1, characterized in that: The rear cover (3) includes a side wall (31) and a base plate (32). An extension ring (321) is provided on the outer side of the base plate (32). The switch assembly (4) also includes a button retaining ring (44). The button retaining ring (44) is threadedly connected to the extension ring (321) to restrict the magnet ring (46) between the base plate (32) and the button retaining ring (44).

3. The explosion-proof flashlight with a magnetic switch according to claim 2, characterized in that: Multiple magnetic switches (45) are distributed in a circular interval on the circuit board (41). A magnet (47) is provided on the magnet ring (46), and a positioning mechanism (7) is provided on the magnet ring (46) to restrict the magnet (47) to the position corresponding to the magnetic switch (45).

4. The explosion-proof flashlight with a magnetic switch according to claim 3, characterized in that: The positioning mechanism (7) includes a mounting groove (71) on the magnet ring (46), a positioning pin (72) on the mounting groove (71), and a positioning spring (73) between the positioning pin (72) and the mounting groove (71). The rear cover (3) is provided with a positioning groove (36). When the positioning pin (72) is embedded in the positioning groove (36), the magnet (47) corresponds to the magnetic control switch (45).

5. The explosion-proof flashlight with a magnetic switch according to claim 3, characterized in that: The base plate (32) is provided with an arc-shaped groove (322), and the magnet (47) is embedded in the arc-shaped groove (322) to limit the rotation range of the magnet (47).

6. The explosion-proof flashlight with a magnetic switch according to claim 1, characterized in that: The conductive component (6) includes a positive conductive plate (61) disposed on the heat sink (21) and a negative conductive plate (62) disposed on the rear cover (3). The positive conductive plate (61) is used to connect the positive terminal of the battery (5) to the lamp plate (22), and the negative conductive plate (62) is used to connect the negative terminal of the battery (5) to the switch assembly (4). The switch assembly (4) is electrically connected to the lamp plate (22) through the cylinder body (1).

7. The explosion-proof flashlight with a magnetic switch according to claim 2, characterized in that: The switch assembly (4) further includes a tactile switch (42) disposed on the circuit board (41), a button (43) for triggering the tactile switch (42), and a button ring (44) for fixing the button (43) on the rear cover (3).

8. The explosion-proof flashlight with a magnetic switch according to claim 7, characterized in that: The button (43) has an outwardly protruding limiting part (431) on its periphery. When the button pressure ring (44) is sleeved on the button (43) and threadedly connected to the inner side of the extension ring (321), the limiting part (431) is restricted between the button pressure ring (44) and the base plate (32).

9. An explosion-proof flashlight with a magnetic switch according to claim 6, characterized in that: The rear cover (3) is provided with a conductive plate pressure ring (33) and a conductive plate fixing ring (35). The negative electrode conductive plate (62) is located between the conductive plate fixing ring (35) and the conductive plate pressure ring (33). The conductive plate pressure ring (33) is threadedly engaged with the rear cover (3) to press the negative electrode conductive plate (62) against the rear cover (3).

10. An explosion-proof flashlight with a magnetic switch according to claim 1, characterized in that: A first sealing ring (34) is provided between the rear cover (3) and the cylinder body (1), and a first annular groove (11) is provided on the cylinder body (1) for the first sealing ring (34) to be embedded.

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