Explosion-proof flashlight
By using a conductive material for the flashlight body and an electrical connection structure, the problem of poor contact in high-temperature or severe vibration environments has been solved, thus improving safety and reliability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-22
- Publication Date
- 2026-04-07
AI Technical Summary
Existing explosion-proof flashlights are prone to poor contact under high temperature or severe vibration environments, posing a safety hazard.
The cylinder body is made of conductive materials, such as copper or aluminum alloy, and the electrical connection between the conductive plate and the switch assembly reduces the number of welding points and ensures stable conductivity.
Reducing the number of broken solder joints and avoiding poor contact improves the safety and reliability of the flashlight in complex environments.
Smart Images
Figure CN224094280U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of flashlights, in particular to a kind of explosion-proof flashlight. BACKGROUND
[0002] The current explosion-proof flashlight is usually used in complex environment such as fire, disaster relief, etc..Its internal circuit is mostly connected by wire welding, which is prone to poor contact in high temperature or severe vibration environment, and there is a security risk. CONTENT OF UTILITY MODEL
[0003] To solve the above problems, the present technical scheme provides an explosion-proof flashlight.
[0004] To achieve the above object, the present technical scheme is as follows:
[0005] An explosion-proof flashlight includes a barrel, a lighting assembly provided on the front end of the barrel, a rear cover provided on the tail end of the barrel, a switch assembly provided on the rear cover, a battery provided in the barrel, and a conductive assembly.
[0006] The lighting assembly includes a heat dissipation seat connected to the barrel, and a lamp panel provided on the heat dissipation seat.
[0007] The switch assembly includes a circuit board provided on the rear cover.
[0008] The conductive assembly includes a positive electrode conductive plate provided on the heat dissipation seat, and a negative electrode conductive plate provided on the rear cover, the positive electrode conductive plate is used to connect the positive electrode of the battery and the lamp panel, and the negative electrode conductive plate is used to connect the negative electrode of the battery and the switch assembly through the barrel and the lamp panel.
[0009] As described above, the switch assembly of the explosion-proof flashlight further includes a tactile switch provided on the circuit board, a key for triggering the tactile switch, and a button compression ring for fixing the key on the rear cover.
[0010] As described above, the rear cover of the explosion-proof flashlight includes a side wall and a bottom plate, an extension ring is provided on the outside of the bottom plate, a limiting portion protruding outward is provided on the periphery of the key, and the button compression ring is sleeved on the key and is screwed with the inside of the extension ring, so as to limit the limiting portion between the button compression ring and the bottom plate.
[0011] As described above, the explosion-proof flashlight includes a conductive plate compression ring and a conductive plate fixing ring provided on the rear cover, the negative electrode conductive plate is located between the conductive plate fixing ring and the conductive plate compression ring, and the conductive plate compression ring is screwed with the rear cover to press the negative electrode conductive plate on the rear cover.
[0012] The anti-explosion flashlight as claimed in any one of the above claims, wherein the rear cover and the barrel body are provided with a first sealing ring, and the barrel body is provided with a first annular groove for embedding the first sealing ring.
[0013] The anti-explosion flashlight as claimed in any one of the above claims, wherein the barrel body is provided with a pressing ring threadedly connected to the front end of the barrel body, and a second sealing ring is arranged between the pressing ring and the barrel body.
[0014] The anti-explosion flashlight as claimed in any one of the above claims, wherein the lighting assembly further comprises LED lamp beads arranged on the lamp plate, a center cover sleeved on the outer periphery of the LED lamp beads, a lamp cup arranged on the center cover, and a tempered glass cover arranged on the lamp cup, and the pressing ring presses the tempered glass cover, and the lamp cup is pressed on the tempered glass cover and the center cover at two ends thereof.
[0015] The anti-explosion flashlight as claimed in any one of the above claims, wherein the barrel body is provided with a second annular groove for embedding the second sealing ring.
[0016] The anti-explosion flashlight as claimed in any one of the above claims, wherein the barrel body is provided with a lighting cavity and a battery cavity arranged in sequence from the front end to the rear end of the barrel body, a limiting platform arranged between the lighting cavity and the battery cavity for supporting the heat dissipation seat, and a supporting ring arranged on the heat dissipation seat and extending towards the battery cavity, and the supporting ring is used for supporting the positive conductive plate to be spaced apart from the heat dissipation seat.
[0017] The anti-explosion flashlight as claimed in any one of the above claims, wherein the barrel body is provided with a third annular groove, and a back clamp is clamped on the third annular groove.
[0018] The anti-explosion flashlight as claimed in any one of the above claims has the following beneficial effects:
[0019] The anti-explosion flashlight provided by the utility model discloses relates to the technical field of flashlights, and particularly relates to an anti-explosion flashlight, which comprises a barrel body, a rear cover, a lighting assembly, a switch assembly and a battery. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description.
[0021] Figure 1 It is a structural schematic diagram of the utility model;
[0022] Figure 2 It is a half sectional view of the utility model. DETAILED DESCRIPTION
[0023] In order to make the technical problems, technical schemes and beneficial effects solved by the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and embodiments.
[0024] An explosion-proof flashlight comprises a barrel 1, a lighting assembly 2 arranged on the front end of the barrel 1, a rear cover 3 arranged on the tail end of the barrel 1, a switch assembly 4 arranged on the rear cover 3, a battery 5 arranged in the barrel 1 and a conductive assembly 6.
[0025] The lighting assembly 2 comprises a heat dissipation seat 21 connected with the barrel 1 and a lamp plate 22 arranged on the heat dissipation seat 21.
[0026] The switch assembly 4 comprises a circuit board 41 arranged on the rear cover 3.
[0027] The conductive assembly 6 comprises a positive conductive plate 61 arranged on the heat dissipation seat 21 and a negative conductive plate 62 arranged on the rear cover 3, the positive conductive plate 61 is used for connecting the positive pole of the battery 5 with the lamp plate 22, the negative conductive plate 62 is used for connecting the negative pole of the battery 5 with the switch assembly 4, and the switch assembly 4 is electrically connected with the lamp plate 22 through the barrel 1.
[0028] The utility model provides a kind of explosion-proof flashlight, positive pole conductive plate is used for connecting battery positive pole with lamp plate, negative pole conductive plate is electrically connected with switch assembly, and switch assembly is electrically connected with lamp plate by barrel. Barrel is made of metal of conductive material, such as copper, aluminum alloy etc. By this way, it can reduce welding point, avoid causing welding point to disconnect and cause poor contact, affect the effect of conduction.
[0029] Further, as the preferred embodiment of the present scheme but not limited, the switch assembly 4 further comprises a tactile switch 42 arranged on the circuit board 41, a button 43 for triggering the tactile switch 42, and a button pressing ring 44 for fixing the button 43 on the rear cover 3. It is simple and reliable to install.
[0030] Further, as the preferred embodiment of the present scheme but not limited, the rear cover 3 comprises a side wall 31 and a bottom plate 32, an extension ring 321 is arranged on the outer side of the bottom plate 32, a limiting portion 431 protruding outward is arranged on the periphery of the button 43, and the button pressing ring 44 is sleeved on the button 43 and is screw-connected with the inner side of the extension ring 321, so that the limiting portion 431 is limited between the button pressing ring 44 and the bottom plate 32.
[0031] Further, as a preferred embodiment of the present scheme but not limited, the rear cover 3 is provided with a conductive plate pressing 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 pressing ring 33, and the conductive plate pressing ring 33 is screwed with the rear cover 3 to press the negative conductive plate 62 on the rear cover 3. The conductive plate pressing ring presses the negative conductive plate, the conductive plate fixing ring, and the circuit board on the bottom plate in sequence.
[0032] Further, as a preferred embodiment of the present scheme but not limited, the rear cover 3 is provided with a first sealing ring 34 between the rear cover 3 and the barrel body 1, and the barrel body 1 is provided with a first ring groove 11 for embedding the first sealing ring 34. The sealing effect is increased.
[0033] Further, as a preferred embodiment of the present scheme but not limited, the barrel body 1 is provided with a pressing ring 12 screwed with the front end thereof, and a second sealing ring 13 arranged between the barrel body 1 and the pressing ring 12. The sealing effect is increased.
[0034] Further, as a preferred embodiment of the present scheme but not limited, the lighting assembly 2 further comprises an LED lamp bead 23 arranged on the lamp plate 22, a center cover 24 sleeved on the outer periphery of the LED lamp bead 23, a lamp cup 25 arranged on the center cover 24, and a tempered glass face cover 26 arranged on the lamp cup 25, and the pressing ring 12 presses the tempered glass face cover 26, so that the two ends of the lamp cup 25 are pressed on the tempered glass face cover 26 and the center cover 24 respectively. The barrel body, the lamp head and the lamp body are integrated, and the lighting assembly is arranged in the barrel body.
[0035] Further, as a preferred embodiment of the present scheme but not limited, the barrel body 1 is provided with a second ring groove 14 for embedding the second sealing ring 13 on the front end of the barrel body 1. The sealing effect is increased.
[0036] Further, as a preferred embodiment of the present scheme but not limited, the barrel body 1 is provided with a lighting cavity 15 and a battery cavity 16 arranged in sequence from the front end to the rear end of the barrel body 1, a limiting platform 17 arranged between the lighting cavity 15 and the battery cavity 16 for supporting the heat dissipation seat 21, and a supporting ring 211 arranged on the heat dissipation seat 21 and extending towards the battery cavity 16, the supporting ring 211 is used for supporting the positive conductive plate 61 to be arranged in a spaced manner with the heat dissipation seat 21. The lamp plate is facilitated to dissipate heat.
[0037] Further, as a preferred embodiment of the present scheme but not limited, the barrel body 1 is provided with a third ring groove 18 and a back clip 19 clamped on the third ring groove 18. It is convenient to clamp and carry.
[0038] The above merely provides the preferred embodiments of the present application, and is not intended to limit the scope of the present application. Any modifications, equivalent replacements, or improvements based on the principles and the basic features of the present application are intended to be within the scope of the present application.
Claims
1. An explosion-proof flashlight, 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 on the rear cover (3); 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).
2. The explosion-proof flashlight according to claim 1, 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).
3. The explosion-proof flashlight according to claim 2, characterized in that: The back cover (3) includes a side wall (31) and a bottom plate (32). An extension ring (321) is provided on the outer side of the bottom plate (32). A limiting part (431) protruding outward is provided on the periphery of the button (43). 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 bottom plate (32).
4. The explosion-proof flashlight according to claim 2, 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).
5. The explosion-proof flashlight 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.
6. The explosion-proof flashlight according to claim 1, characterized in that: The front end of the cylinder (1) is provided with a pressure ring (12) threadedly connected to it, and a second sealing ring (13) disposed between the two.
7. An explosion-proof flashlight according to claim 6, characterized in that: The lighting assembly (2) further includes LED beads (23) disposed on the lamp plate (22), a central cover (24) sleeved on the outer periphery of 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 the two ends of the lamp cup (25) press against the tempered glass cover (26) and the central cover (24) respectively.
8. An explosion-proof flashlight according to claim 6, characterized in that: 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.
9. The explosion-proof flashlight according to claim 1, characterized in that: 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).
10. An explosion-proof flashlight according to claim 1, characterized in that: The cylinder body (1) is provided with a third annular groove (18) and a back clip (19) clamped on the third annular groove (18).