CN218441875U

CN218441875U - Electric torch

Info

Publication number: CN218441875U
Application number: CN202221548755.1U
Authority: CN
Inventors: 胡永恩; 李晓燕; 韦武佳
Original assignee: Guangzhou Skyfire Electronic Technology Co ltd
Current assignee: Guangzhou Skyfire Electronic Technology Co ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2023-02-03
Anticipated expiration: 2032-06-20

Abstract

The utility model discloses a flashlight, include: the barrel, the end cover, the battery, the circuit board, the fixed plate, lamp body and insulating limiting plate, be provided with the inner chamber on the barrel, the end cover can be covered and established on the barrel and make its electrically conductive locating part support with the negative pole of battery in the inner chamber mutually, the barrel is with the fixed plate spiro union, the barrel is equipped with the unthreaded hole on the top surface of inner chamber, the lamp body is installed in the unthreaded hole and with the positive electric connection of circuit board, establish electrically conductive spring on the reverse side of circuit board, electrically conductive spring supports with the positive pole of battery, establish the electricity opening on the fixed plate, establish the spacing through-hole on the insulating limiting plate, electrically conductive spring wears to establish the electricity opening, spacing through-hole, insulating limiting plate suit is on electrically conductive spring and is located between fixed plate and the battery. The utility model discloses can restrict and rock about the conductive spring, prevent that the anodal of battery and fixed plate from leading to the battery short circuit in connecing the contact of electric open-ended bottom, can also prevent that the conductive spring kick-backs to lead to taking place the phenomenon of outage with the anodal contact failure of battery.

Description

Electric torch

Technical Field

The utility model relates to an illumination technique especially relates to a flashlight.

Background

The barrel of the existing flashlight is made of metal, an openable inner cavity is formed in the barrel, the circuit board is located in the inner cavity, the front side of the circuit board is electrically connected with the lamp body, a conductive spring is arranged on the back side of the circuit board, the positive electrode of the battery is in contact with the conductive spring and can be electrically connected with the circuit board, and the end cover is tightly covered on the barrel and abuts against the negative electrode of the battery. In order to facilitate the battery to be taken out or put in from the inner cavity, the inner diameter of the inner cavity is slightly larger than the outer diameter of the battery, so that a certain gap still exists after the battery is installed in the inner cavity, the inner wall of the inner cavity of the cylinder body protrudes to form a supporting boss, the cylinder body is in threaded connection with the fixing plate to press the circuit board on the supporting boss, the fixing plate is provided with an electric connection opening, and the conductive spring penetrates through the electric connection opening to be in contact with the positive electrode of the battery. When the flashlight falls down, the conductive spring is easy to shake left and right, so that the anode of the battery is in contact with the bottom of the power connection opening with the fixing plate to cause short circuit of the battery, or the conductive spring rebounds to cause poor contact with the anode of the battery to cause power failure.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a flashlight can effectively restrict the conductive spring when the flashlight falls down and rock about, prevents that the positive pole and the fixed plate of battery from leading to the battery short circuit in connecing the contact of open-ended bottom, can also prevent that the conductive spring kick-backs to lead to taking place the phenomenon of outage with the anodal contact failure of battery.

The purpose of the utility model is realized by adopting the following technical scheme:

a flashlight, comprising:

the battery comprises a barrel, an end cover, a battery, a circuit board, a fixing plate and a lamp body, wherein an inner cavity is formed in the barrel, the end cover can be covered on the barrel to limit the opening and closing of the inner cavity in the barrel, a conductive limiting part is arranged in the end cover, the battery is accommodated in the inner cavity, the negative electrode of the battery can be abutted against the conductive limiting part in the end cover, a supporting boss is formed on the inner wall of the inner cavity of the barrel in a protruding mode, the barrel is in threaded connection with the fixing plate and can press the circuit board on the supporting boss, a light outlet hole is formed in the top surface of the inner cavity of the barrel, and the lamp body is installed in the light outlet hole and is electrically connected with the front side of the circuit board;

the insulating limiting plate, be provided with conductive spring on the reverse side of circuit board, conductive spring is used for propping up with the positive pole of battery, be provided with on the fixed plate and connect the electric opening, be provided with the spacing through-hole that runs through insulating limiting plate top surface and bottom surface on the insulating limiting plate, conductive spring wears to establish and connects electric opening, spacing through-hole, insulating limiting plate suit is on conductive spring and its top surface and fixed plate contact and make insulating limiting plate be located between fixed plate and the battery in connecing the electric open-ended bottom.

Furthermore, the limiting through hole is a central hole of the insulating limiting plate.

Furthermore, the outer diameter of the insulation limiting plate is the same as the outer diameter of the fixing plate at the bottom of the electric connection opening.

Further, the outer diameter of the insulation limiting plate is larger than the outer diameter of the fixing plate at the bottom of the electric connection opening.

Furthermore, be provided with the spacing ring on the top surface of insulating limiting plate, be provided with spacing opening on the spacing ring on the insulating limiting plate, spacing through-hole is located spacing opening, be provided with the fixed station on the bottom surface of fixed plate, connect the top surface and the bottom surface that its fixed station of electric open-ended bottom run through fixed plate, the external diameter of spacing ring is greater than the external diameter of fixed station on the fixed plate on the insulating limiting plate, the spacing ring suit of insulating limiting plate is on the fixed station of fixed plate.

Furthermore, the limiting ring is an annular protrusion formed by the bottom surface of the insulation limiting plate protruding towards the top surface.

Furthermore, the top surface of the insulation limiting plate is provided with a limiting boss, and the top of the limiting through hole penetrates through the top surface of the limiting boss.

Furthermore, the insulation limiting plate is made of ABS materials or epoxy resin materials.

Compared with the prior art, the beneficial effects of the utility model reside in that:

through setting up the insulating limiting plate of assembly between fixed plate and battery, and the spacing through-hole on the insulating limiting plate is worn to locate by the electrically conductive spring on the circuit board when the assembly, the end cover lid can seal the inner chamber after tightly on the barrel and make its electrically conductive locating part and the negative pole of the battery of inner chamber offset the top, barrel and fixed plate spiro union and can compress tightly the circuit board on supporting the boss in order to realize the fixed of circuit board, the anodal electrically conductive spring and circuit board electric connection of passing through of battery. When the flashlight falls downwards, the left and right shaking of the conductive spring can be effectively limited under the action of the insulation limiting plate, the battery is prevented from being short-circuited due to the fact that the anode of the battery is contacted with the bottom of the power connection opening through the fixing plate, the anode of the battery is always contacted with the conductive spring, the cathode of the battery is always contacted with the anode of the battery, the phenomenon that the power failure occurs due to poor contact of the anode of the battery due to the rebounding of the conductive spring can be prevented, and therefore the battery can supply power for the lamp body and the lamp body can achieve the lighting function.

Drawings

FIG. 1 is an exploded view of a flashlight in an embodiment of the present invention;

FIG. 2 is a schematic view of a portion of the structure of FIG. 1;

FIG. 3 is a cross-sectional view of a flashlight in an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a in fig. 3.

In the figure: 1. a barrel; 2. a battery; 3. a circuit board; 4. a fixing plate; 5. a power connection opening; 6. a lamp body; 7. supporting the boss; 8. an insulating limit plate; 9. a conductive spring; 10. a limiting through hole; 11. an end cap; 12. a conductive limit piece; 13. a limiting ring; 14. a fixed table; 15. a limiting boss; 16. a light emitting sleeve; 17. an inner sleeve; 18. a power supply sleeve.

Detailed Description

This section will describe in detail the embodiments of the present invention, the preferred embodiments of which are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can visually and vividly understand each technical feature and the whole technical solution of the present invention, but it cannot be understood as a limitation to the scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means is one or a plurality of means, a plurality of means is two or more, and the terms greater than, less than, exceeding, and the like are understood as excluding the number, and the terms greater than, less than, within, and the like are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1 to 4, a preferred embodiment of the present invention provides a flashlight, including: the battery comprises a barrel body 1, an end cover 11, a battery 2, a circuit board 3, a fixing plate 4 and a lamp body 6, wherein an inner cavity is formed in the barrel body 1, the end cover 11 can be covered on the barrel body 1 to limit the opening and closing of the inner cavity in the barrel body 1, a conductive limiting part 12 is arranged in the end cover 11, the battery 2 is contained in the inner cavity, a negative electrode of the battery 2 can be abutted against the conductive limiting part 12 in the end cover 11, a supporting boss 7 is formed on the inner wall of the inner cavity of the barrel body 1 in a protruding mode, the barrel body 1 is in threaded connection with the fixing plate 4 and can compress the circuit board 3 on the supporting boss 7, a light outlet is formed in the top surface of the inner cavity of the barrel body 1, and the lamp body 6 is installed in the light outlet and electrically connected with the front face of the circuit board 3.

The flashlight further comprises an insulation limiting plate 8, a conductive spring 9 is arranged on the reverse side of the circuit board 3, the conductive spring 9 is used for abutting against the positive electrode of the battery 2, an electricity connecting opening 5 is formed in the fixing plate 4, a limiting through hole 10 penetrating through the top surface and the bottom surface of the insulation limiting plate 8 is formed in the insulation limiting plate 8, the conductive spring 9 penetrates through the electricity connecting opening 5 and the limiting through hole 10, the insulation limiting plate 8 is sleeved on the conductive spring 9, and the top surface of the insulation limiting plate 8 is in contact with the bottom of the fixing plate 4 in the electricity connecting opening 5, so that the insulation limiting plate 8 is located between the fixing plate 4 and the battery 2.

On the basis of the structure, through setting up the insulating limiting plate 8 of assembling between fixed plate 4 and battery 2, and the spacing through-hole 10 on insulating limiting plate 8 is worn to locate by the electrically conductive spring 9 on the circuit board 3 when the assembly, can seal the inner chamber and make its electrically conductive locating part 12 and the negative pole of the battery 2 of inner chamber offset the top after the end cover 11 lid is tightly on barrel 1, barrel 1 and fixed plate 4 spiro union can compress tightly circuit board 3 on supporting boss 7 in order to realize the fixed of circuit board 3, the anodal of battery 2 passes through electrically conductive spring 9 and circuit board 3 electric connection. When the flashlight falls downwards, the left-right shaking of the conductive spring 9 can be effectively limited under the action of the insulation limiting plate 8, the short circuit of the battery 2 caused by the fact that the anode of the battery 2 is in contact with the bottom of the power connection opening 5 of the fixing plate 4 is prevented, the anode of the battery 2 is always in contact with the conductive spring 9, the cathode of the battery 2 is always in contact with the anode of the battery 2, the phenomenon that the power failure caused by poor contact with the anode of the battery 2 due to the rebounding of the conductive spring 9 can be prevented, and therefore the battery 2 can supply power to the lamp body 6 and the lamp body 6 can achieve the lighting function. In specific implementation, the front surface of the circuit board 3 is connected to the lamp body 6 through an electric wire, the circuit board 3 is provided with the protection module, and when the positive electrode and the negative electrode of the battery 2 are reversely connected, that is, the positive electrode of the battery 2 abuts against the conductive limiting part 12 on the end cover 11, and the negative electrode of the battery 2 abuts against the conductive spring 9 on the circuit board 3, the battery 2 cannot supply power to the lamp body 6 under the action of the protection module, so that the battery 2 can be effectively prevented from being reversely installed.

As a preferred embodiment of the present invention, it may also have the following additional technical features:

in the present embodiment, the conductive limiting member 12 is made of a metal material, which is conductive, and is preferably a limiting spring, which can provide a better elastic stress, and has a simple structure and a low cost.

In other embodiments, the conductive position-limiting member 12 is a spring.

In this embodiment, the limiting through hole 10 is a central hole of the insulating limiting plate 8, so that the conductive spring 9 is arranged centrally, and the battery 2 can be arranged centrally to prevent short circuit of the battery 2.

In this embodiment, the inner diameter of the inner cavity is slightly larger than the outer diameter of the battery 2, and the outer diameter of the insulation limiting plate 8 is larger than the outer diameter of the fixing plate 4 at the bottom of the electrical connection opening 5, so as to better prevent the positive electrode of the battery 2 from contacting the fixing plate 4 at the bottom of the electrical connection opening 5, thereby achieving a better insulation effect.

In other embodiments, the outer diameter of the insulation limiting plate 8 is the same as the outer diameter of the fixing plate 4 at the bottom of the electrical connection opening 5.

In this embodiment, a limiting ring 13 is disposed on the top surface of the insulating limiting plate 8, a limiting opening is disposed on the limiting ring 13 on the insulating limiting plate 8, the limiting through hole 10 is located in the limiting opening, a fixing platform 14 is disposed on the bottom surface of the fixing plate 4, the bottom of the power connection opening 5 penetrates through the top surface and the bottom surface of the fixing platform 14 of the fixing plate 4, the outer diameter of the limiting ring 13 on the insulating limiting plate 8 is larger than the outer diameter of the fixing platform 14 on the fixing plate 4, and the limiting ring 13 of the insulating limiting plate 8 is sleeved on the fixing platform 14 of the fixing plate 4. Like this, the spacing ring 13 on the insulating limiting plate 8 of accessible is more stable with being connected of the fixed station 14 of fixed plate 4, can be better prevent that the anodal of battery 2 from contacting in the bottom that connects electric opening 5 with fixed plate 4 to and better restriction conductive spring 9 rocks about, plays better insulating and limiting displacement.

In this embodiment, the limiting ring 13 is an annular protrusion protruding from the bottom surface of the insulation limiting plate 8 toward the top surface, so that the insulation limiting plate 8 is simple in structure and the stability of the connection structure between the insulation limiting plate 8 and the fixing plate 4 can be ensured.

In this embodiment, a limiting boss 15 is provided on the top surface of the insulation limiting plate 8, and the top of the limiting through hole 10 penetrates through the top surface of the limiting boss 15. Like this, under spacing boss 15's effect, can further improve the limiting displacement to electrically conductive spring 9 in spacing through-hole 10, the restriction that can be better shakes about electrically conductive spring 9.

In this embodiment, the limiting insulation board 8 is made of ABS material, so that the limiting insulation board 8 has better insulation performance.

In other embodiments, the insulation limiting plate 8 is made of epoxy resin.

Specifically, in the present embodiment, the inner wall of the cylinder 1 and the circumferential side of the fixing plate 4 are respectively provided with internal and external threads, so that the cylinder 1 and the fixing plate 4 are screwed. When the flashlight is specifically implemented, the lamp body 6 is a lamp bead, a bulb and the like, and the lighting function of the flashlight can be realized. Specifically, the lamp body 6 is arranged at one end of the barrel body 1, the end cover 11 is arranged at the other end of the barrel body 1, more specifically, the barrel body 1 sequentially comprises a light emitting sleeve 16, an inner sleeve 17 and a power supply sleeve 18 from the lamp body 6 to the end cover 11, the inner sleeve 17 is respectively sleeved with the light emitting sleeve 16 and the power supply sleeve 18 to form an inner cavity, the light emitting hole is formed in the top surface of the light emitting sleeve 16, the other end of the light emitting sleeve 16 is sleeved at one end of the inner sleeve 17, the other end of the inner sleeve 17 is sleeved at one end of the power supply sleeve 18, the supporting boss 7 and the thread are formed in the inner sleeve 17, and the end cover 11 covers the other end of the power supply sleeve 18 to fix the battery 2 in the power supply sleeve 18. In addition, the flashlight is provided with a switch for controlling the power supply of the battery 2 to the lamp body 6, which is arranged on the inner sleeve 17.

The above additional technical features can be freely combined and used in superposition by those skilled in the art without conflict.

The above only is the preferred embodiment of the present invention, as long as the technical solution of the purpose of the present invention is realized by basically the same means, all belong to the protection scope of the present invention.

Claims

1. A flashlight, comprising:

the LED lamp comprises a barrel body (1), an end cover (11), a battery (2), a circuit board (3), a fixing plate (4) and a lamp body (6), wherein an inner cavity is formed in the barrel body (1), the end cover (11) can be arranged on the barrel body (1) in a covering mode so as to limit the opening and closing of the inner cavity in the barrel body (1), a conductive limiting part (12) is arranged in the end cover (11), the battery (2) is contained in the inner cavity, the negative electrode of the battery (2) can be abutted against the conductive limiting part (12) in the end cover (11), the barrel body (1) protrudes out of the inner wall of the inner cavity to form a supporting boss (7), the barrel body (1) is in threaded connection with the fixing plate (4) and can press the circuit board (3) onto the supporting boss (7), a light outlet is formed in the top surface of the barrel body (1) in the inner cavity, and the lamp body (6) is installed in the light outlet and electrically connected with the front surface of the circuit board (3);

insulating limiting plate (8), be provided with conductive spring (9) on the reverse side of circuit board (3), conductive spring (9) are used for propping up with the positive pole counterbalance of battery (2), be provided with on fixed plate (4) and connect electric opening (5), be provided with spacing through-hole (10) that run through insulating limiting plate (8) top surface and bottom surface on insulating limiting plate (8), conductive spring (9) are worn to establish and are connect electric opening (5), spacing through-hole (10), insulating limiting plate (8) suit is on conductive spring (9) and its top surface and fixed plate (4) are in the bottom contact of connecing electric opening (5) and make insulating limiting plate (8) be located between fixed plate (4) and battery (2).

2. The torch according to claim 1, wherein said limiting through hole (10) is a central hole of an insulating limiting plate (8).

3. The torch according to claim 1, wherein the external diameter of said insulating and limiting plate (8) is the same as the external diameter of the fixing plate (4) at the bottom of the electrical access opening (5).

4. The torch according to claim 1, wherein the plate (8) of restriction of insulation has an outer diameter greater than the outer diameter of the plate (4) at the bottom of the electrical access opening (5).

5. The flashlight of claim 4, wherein a limiting ring (13) is arranged on the top surface of the insulating limiting plate (8), a limiting opening is arranged on the limiting ring (13) on the insulating limiting plate (8), the limiting through hole (10) is located in the limiting opening, a fixing table (14) is arranged on the bottom surface of the fixing plate (4), the bottom of the power connection opening (5) penetrates through the top surface and the bottom surface of the fixing table (14) of the fixing plate (4), the outer diameter of the limiting ring (13) on the insulating limiting plate (8) is larger than the outer diameter of the fixing table (14) on the fixing plate (4), and the limiting ring (13) of the insulating limiting plate (8) is sleeved on the fixing table (14) of the fixing plate (4).

6. The flashlight of claim 5, wherein the limiting ring (13) is an annular protrusion formed by the bottom surface of the insulating limiting plate (8) protruding towards the top surface.

7. The torch according to claim 1, wherein the top surface of the insulation limit plate (8) is provided with a limit boss (15), and the top of the limit through hole (10) penetrates through the top surface of the limit boss (15).

8. The torch according to claim 1, wherein said insulating and limiting plate (8) is made of ABS or epoxy resin.