CN221897752U - Flashlight with battery at same end of anode and cathode - Google Patents

Abstract

The utility model relates to the technical field of flashlights, and discloses a flashlight equipped with a battery with positive and negative poles at the same end, comprising a lamp head, a second O-ring is arranged inside the lamp head, a lamp neck is arranged at the right end of the lamp head, a light guide is fixedly connected to the upper surface of the lamp neck, a button is fixedly connected to the upper surface of the lamp neck, a button pressing ring is arranged on the surface of the button, a lamp body is threadedly connected to the inner wall of the lamp neck, a battery is arranged inside the lamp body, and a PCBA is arranged inside the lamp body. A positive pole spring and a negative pole spring are arranged at one end of the PCBA close to the lamp body, a third O-ring is sleeved on the surface of the lamp body, and a battery limiting ring is clamped on the inner wall of the lamp body. The utility model outputs voltage through the contact between the positive pole spring and the negative pole spring and the surface of the battery, thereby avoiding current loss during actual use, thereby making the flashlight have a longer lighting time and more practical.

Description

A flashlight with a battery having positive and negative electrodes at the same end

Technical Field

The utility model relates to the technical field of flashlights, in particular to a flashlight equipped with a battery with positive and negative electrodes at the same end.

Background Art

A flashlight is a handheld electronic lighting tool. It is a very practical tool during power outages or outdoor activities. With the development of technology, people's requirements for flashlights are getting higher and higher, and multifunctional flashlights have begun to emerge.

Most of the existing flashlights are powered by batteries, and most batteries have a positive spring at one end and a negative spring at the other end. When using conventional batteries, the negative end needs to be connected to the PCB board through a connecting piece, which will cause current loss.

Utility Model Content

In order to solve the above technical problems, the utility model provides a flashlight equipped with a battery with positive and negative electrodes at the same end.

The utility model is implemented by the following technical scheme: a flashlight equipped with a battery with positive and negative poles at the same end, comprising a lamp head, a second O-ring is arranged inside the lamp head, a lamp neck is arranged at the right end of the lamp head, a light guide mirror is fixedly connected to the upper surface of the lamp neck, a button is fixedly connected to the upper surface of the lamp neck, a button pressing ring is arranged on the surface of the button, a lamp body is threadedly connected to the inner wall of the lamp neck, a battery is arranged inside the lamp body, and a PCBA is arranged inside the lamp body. A positive pole spring and a negative pole spring are arranged at one end of the PCBA close to the lamp body, a third O-ring is sleeved on the surface of the lamp body, and a battery limiting ring is clamped on the inner wall of the lamp body.

Through the above technical solution, the battery adopts a 21700 battery with positive and negative poles at the same end, and the positive pole spring and the negative pole spring directly contact the positive and negative poles of the battery.

As a further improvement of the above scheme, the left end of the battery is in contact with the positive spring and the negative spring, the surface of the lamp neck is threadedly connected to the inner wall of the lamp holder, a fourth O-ring is provided inside the lamp body, a lamp tail is provided at the right end of the lamp body, the inner wall of the lamp tail is threadedly connected to the surface of the lamp body, and a silicone pad is clamped inside the lamp tail.

Through the above technical solution, by short pressing the button, the gear positions are high brightness, working light and strobe.

As a further improvement of the above solution, the surface of the button pressing ring is clamped on the inner wall of the lamp neck, and the bottom of the button is in contact with the surface of the PCBA.

As a further improvement of the above solution, the inner wall of the lamp holder is threadedly connected to a heat sink, the inner wall of the heat sink is clamped with a light board, the inner wall of the lamp holder is threadedly connected to a reflective cup, an LED centering pad is provided at the right end of the reflective cup, and the light board is electrically connected to the PCBA.

Through the above technical solution, the light board can be easily centered by using the LED centering pad.

As a further improvement of the above solution, the right end of the LED center pad contacts the surface of the light board, a first O-ring is sleeved on the surface of the reflective cup, and a lens is arranged inside the reflective cup.

As a further improvement of the above solution, the surface of the lens is clamped with the inner wall of the reflective cup, and the surface of the reflective cup is threadedly connected with an attack head.

Compared with the prior art, the beneficial effects of the present invention are:

The utility model provides a PCBA, a positive spring and a negative spring, specifically outputs voltage through the contact between the positive spring and the negative spring and the surface of the battery, thus avoiding current loss during actual use, thereby making the flashlight have a longer lighting time and more practical.

The utility model is completed as a whole by assembling a lamp cap, a lamp neck, a lamp body and a lamp tail, which is convenient for later replacement of internal parts and subsequent internal maintenance, thereby improving convenience in actual use.

BRIEF DESCRIPTION OF THE DRAWINGS

Figure 1 is a schematic diagram of the overall structure of the utility model;

FIG2 is a schematic diagram of the exploded structure of the lamp holder of the utility model;

FIG3 is a schematic diagram of the explosion structure of the lamp body of the utility model;

FIG4 is a schematic diagram of the PCBA structure of the utility model.

Description of main symbols:

1. Lamp head; 2. Heat sink; 3. Lamp board; 4. LED centering pad; 5. Reflector cup; 6. First O-ring; 7. Lens; 8. Attack head; 9. Second O-ring; 10. Lamp neck; 11. Light guide mirror; 12. Button; 13. Button pressure ring; 14. PCBA; 15. Battery limit ring; 16. Third O-ring; 17. Lamp body; 18. Battery; 19. Fourth O-ring; 20. Silicone pad; 21. Lamp tail; 22. Positive spring; 23. Negative spring.

DETAILED DESCRIPTION

The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

Example:

In conjunction with Figures 1-4, a flashlight equipped with a battery with positive and negative poles at the same end of the embodiment includes a lamp head 1, a second O-ring 9 is arranged inside the lamp head 1, a lamp neck 10 is arranged at the right end of the lamp head 1, a light guide mirror 11 is fixedly connected to the upper surface of the lamp neck 10, a button 12 is fixedly connected to the upper surface of the lamp neck 10, a button pressing ring 13 is arranged on the surface of the button 12, a lamp body 17 is threadedly connected to the inner wall of the lamp neck 10, a battery 18 is arranged inside the lamp body 17, and a PCBA 14 is arranged inside the lamp body 17. A positive spring 22 and a negative spring 23 are arranged at one end of the PCBA 14 close to the lamp body 17. Spring 23, the surface of the lamp body 17 is sleeved with a third O-ring 16, the inner wall of the lamp body 17 is clamped with a battery limiting ring 15, the second O-ring 9 is placed into the interior of the lamp head 1, and then the lamp head 1 and the lamp neck 10 are threadedly connected, the PCBA 14 is placed into the interior of the lamp body 17, the battery limiting ring 15 is sleeved on the surface of the lamp body 17, the battery 18 is placed into the interior of the lamp body 17, the battery 18 is limited by the battery limiting ring 15, and then the fourth O-ring 19 is clamped into the interior of the lamp body 17, the silicone pad 20 is placed into the interior of the lamp tail 21, and the lamp tail 21 is threadedly connected and fixed to the lamp body 17.

The left end of the battery 18 is in contact with the positive spring 22 and the negative spring 23, the surface of the lamp neck 10 is threadedly connected to the inner wall of the lamp holder 1, a fourth O-ring 19 is provided inside the lamp body 17, a lamp tail 21 is provided at the right end of the lamp body 17, the inner wall of the lamp tail 21 is threadedly connected to the surface of the lamp body 17, a silicone pad 20 is clamped inside the lamp tail 21, the lamp tail 21 and the lamp body 17 are sealed by the fourth O-ring 19, the battery 18 is in contact with the surface of the positive spring 22 and the negative spring 23, the PCBA 14 is pushed to the inside of the lamp neck 10, and the heat sink 2 is threadedly connected to the inside of the lamp holder 1.

The surface of the button pressing ring 13 is clamped on the inner wall of the lamp neck 10 , and the bottom of the button 12 is in contact with the surface of the PCBA 14 .

The inner wall of the lamp holder 1 is threadedly connected to a heat sink 2, the inner wall of the heat sink 2 is clamped with a lamp board 3, the inner wall of the lamp holder 1 is threadedly connected to a reflective cup 5, an LED centering pad 4 is provided at the right end of the reflective cup 5, and the lamp board 3 is electrically connected to PCBA14.

The right end of the LED centering pad 4 contacts the surface of the light board 3 , a first O-ring 6 is sleeved on the surface of the reflective cup 5 , and a lens 7 is arranged inside the reflective cup 5 .

The surface of the lens 7 is clamped with the inner wall of the reflective cup 5, and the surface of the reflective cup 5 is threadedly connected with an attack head 8, the lamp board 3 is clamped with the heat sink 2, the surface of the reflective cup 5 is threadedly connected with the inner wall of the lamp head 1, the first O-ring 6 and the lens 7 are placed inside the reflective cup 5, and then the attack head 8 is threadedly connected with the reflective cup 5.

The implementation principle of a flashlight equipped with a positive and negative same-end battery in the embodiment of the present application is as follows: the second O-ring 9 is placed inside the lamp head 1, and then the lamp head 1 is threadedly connected to the lamp neck 10, the PCBA 14 is placed inside the lamp body 17, the battery limiting ring 15 is sleeved on the surface of the lamp body 17, the battery 18 is placed inside the lamp body 17, the battery 18 is limited by the battery limiting ring 15, and then the fourth O-ring 19 is clamped inside the lamp body 17, the silicone pad 20 is placed inside the lamp tail 21, the lamp tail 21 is threadedly connected and fixed to the lamp body 17, the lamp tail 21 is sealed with the lamp body 17 by the fourth O-ring 19, and the battery 18 is connected to the positive spring 22 and the negative spring 23. The surface of the spring 23 is in contact, the PCBA14 is pushed to the inside of the lamp neck 10, the heat sink 2 is threadedly connected to the inside of the lamp head 1, the lamp board 3 and the heat sink 2 are clamped, the surface of the reflective cup 5 is threadedly connected to the inner wall of the lamp head 1, the first O-ring 6 and the lens 7 are placed in the interior of the reflective cup 5, and then the attack head 8 is threadedly connected to the reflective cup 5. At this time, the assembly is completed, and the whole is assembled, which is convenient for later disassembly, maintenance and replacement of the internal structure, and improves the convenience during use. The output voltage is output through the contact between the positive spring 22 and the negative spring 23 with the surface of the battery 18, thereby avoiding current loss during actual use, thereby making the flashlight have a longer lighting time and more practical.

The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims (6)

1. A flashlight for installing a battery with positive and negative poles at the same end, characterized in that it comprises a lamp holder (1), a second O-ring (9) is arranged inside the lamp holder (1), a lamp neck (10) is arranged at the right end of the lamp holder (1), a light guide mirror (11) is fixedly connected to the upper surface of the lamp neck (10), a button (12) is fixedly connected to the upper surface of the lamp neck (10), a button pressing ring (13) is arranged on the surface of the button (12), a lamp body (17) is threadedly connected to the inner wall of the lamp neck (10), a battery (18) is arranged inside the lamp body (17), and a PCBA (14) is arranged inside the lamp body (17). A positive spring (22) and a negative spring (23) are arranged at one end of the PCBA (14) close to the lamp body (17), a third O-ring (16) is sleeved on the surface of the lamp body (17), and a battery limiting ring (15) is clamped on the inner wall of the lamp body (17). 2. A flashlight with a battery with positive and negative poles at the same end as described in claim 1, characterized in that: the left end of the battery (18) is in contact with the positive spring (22) and the negative spring (23), the surface of the lamp neck (10) is threadedly connected to the inner wall of the lamp holder (1), a fourth O-ring (19) is arranged inside the lamp body (17), a lamp tail (21) is arranged at the right end of the lamp body (17), the inner wall of the lamp tail (21) is threadedly connected to the surface of the lamp body (17), and a silicone pad (20) is clamped inside the lamp tail (21). 3. A flashlight for installing a battery with positive and negative electrodes at the same end as claimed in claim 1, characterized in that the surface of the button pressing ring (13) is clamped on the inner wall of the lamp neck (10), and the bottom of the button (12) is in contact with the surface of the PCBA (14). 4. A flashlight with a battery having positive and negative electrodes at the same end as claimed in claim 1, characterized in that: the inner wall of the lamp holder (1) is threadedly connected to a heat sink (2), the inner wall of the heat sink (2) is clamped with a lamp board (3), the inner wall of the lamp holder (1) is threadedly connected to a reflective cup (5), the right end of the reflective cup (5) is provided with an LED centering pad (4), and the lamp board (3) is electrically connected to a PCBA (14). 5. A flashlight with a battery having positive and negative poles at the same end as described in claim 4, characterized in that: the right end of the LED center pad (4) contacts the surface of the light board (3), a first O-ring (6) is sleeved on the surface of the reflective cup (5), and a lens (7) is arranged inside the reflective cup (5). 6. A flashlight with a battery having positive and negative electrodes at the same end as claimed in claim 5, characterized in that the surface of the lens (7) is snap-fitted to the inner wall of the reflective cup (5), and the surface of the reflective cup (5) is threadedly connected with an attack head (8).