CN219494009U

CN219494009U - Power supply assembly and flashlight

Info

Publication number: CN219494009U
Application number: CN202320743502.8U
Authority: CN
Inventors: 丁柏平; 杨锋; 黄阳彪; 何泽华; 龚政; 刘彪
Original assignee: Shenzhen Zhongfuneng Electric Equipment Co Ltd
Current assignee: Shenzhen Zhongfuneng Electric Equipment Co Ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-08-08
Anticipated expiration: 2033-03-31

Abstract

The embodiment of the application belongs to the technical field of illumination, and relates to a power supply assembly which is arranged in a barrel body of a flashlight and comprises a circuit board and a power supply group; the circuit board comprises a first circuit board and a clamping piece, the first circuit board is electrically connected with the power supply unit, the clamping piece is arranged on one side, far away from the power supply unit, of the first circuit board, and the clamping piece is propped against between the first circuit board and the inner wall of the cylinder body. The application also relates to a flashlight. The technical scheme that this application provided can fix power supply unit, improves power supply unit's contact stability, improves life.

Description

Power supply assembly and flashlight

Technical Field

The present application relates to the field of lighting technology, and more particularly, to a power supply assembly and a flashlight.

Background

The LED strong light flashlight is a novel lighting tool with a light emitting diode as a light source, and has the advantages of electricity saving, durability, strong brightness and the like. The flashlight is often used for illumination in special fields such as public security, fire protection, army, electric power, railway, petroleum, chemical industry and the like.

The current common flashlight on the market comprises a lamp cap, a barrel connected to the tail end of the lamp cap and a power supply assembly arranged in the barrel, wherein a large gap exists between the power supply assembly and the interior of the barrel, when the flashlight collides or falls, the power supply assembly moves relative to the barrel, so that the power supply assembly and the lamp cap are in poor contact, unstable light emission is caused, even the power supply assembly or the inner wall of the barrel is damaged, and the service life of the power supply assembly is reduced.

Disclosure of Invention

The technical problem that this application embodiment to solve is that current power supply module installs unstably in the stack shell, and power supply module and lamp holder's contact is poor when arriving, leads to luminous unstability, causes power supply module or stack shell inner wall to damage, and power supply module's life reduces.

In order to solve the above technical problems, the embodiments of the present application provide a power supply assembly, which adopts the following technical scheme:

a flashlight, installed in a barrel of the flashlight, comprising: the power supply assembly comprises a circuit board and a power supply group;

the circuit board comprises a first circuit board and a clamping piece, the first circuit board is electrically connected with the power supply unit, the clamping piece is arranged on one side, far away from the power supply unit, of the first circuit board, and the clamping piece is propped between the first circuit board and the inner wall of the cylinder body.

Further, the buckle piece comprises a fixing part and a supporting part;

the fixing part comprises a bottom plate, at least one convex buckle is arranged on one side of the bottom plate, facing the first circuit board, the end part of the convex buckle forms a clamping hook, and the clamping buckle piece is arranged on the first circuit board through the clamping hook;

the supporting part extends from the bottom plate to a direction far away from the first circuit board to form an arc-shaped plate, and the power supply assembly is fixed by supporting the arc-shaped plate and the inner wall of the cylinder body.

Further, the circuit board further comprises a second circuit board, and the second circuit board is arranged in parallel with the first circuit board;

the power supply group is clamped between the first circuit board and the second circuit board and is electrically connected with the second circuit board.

Further, the circuit board further comprises a third circuit board, the third circuit board is arranged at the top of the power supply assembly, and the third circuit board is perpendicular to the first circuit board;

the third circuit board is electrically connected with the power supply group and connected with a light-emitting component of the flashlight.

Further, the circuit board further comprises at least one quick connection seat, and the quick connection seat is arranged on one side, far away from the power supply group, of the third circuit board.

Further, the quick-connection seat comprises a connecting part and an elastic part;

the connecting part is arranged on the third circuit board;

the elastic part extends from the connecting part to a direction far away from the third circuit board to form two elastic sheets in mirror image arrangement, and the surfaces of the two elastic sheets are tightly contacted under the elastic action.

Further, the circuit board further comprises a fourth circuit board, the fourth circuit board is arranged at the bottom of the power supply assembly, and the fourth circuit board is perpendicular to the first circuit board;

the fourth circuit board is electrically connected with the power supply unit and used for being connected with a charging assembly of the flashlight.

Further, the circuit board further comprises at least one electric connector, and an electric needle which is arranged in parallel is arranged at one end of the electric connector, which is close to the fourth circuit board;

and a power connection hole is formed in the fourth circuit board at a position corresponding to the power connection piece, and the power connection needle is vertically inserted into the power connection hole.

Further, the power pack comprises a conductive sheet and a battery pack, and the conductive sheet is connected between the battery pack and the circuit board.

In order to solve the above technical problems, the embodiment of the present application further provides a flashlight, which adopts the following technical scheme:

the flashlight is characterized by comprising a barrel body, a lamp cap, a tail cover and the power supply assembly;

the tail part of the lamp cap is provided with a containing cavity;

the cylinder body is provided with a mounting cavity penetrating through two opposite side surfaces of the cylinder body, the cylinder body is at least partially inserted into the accommodating cavity, and the mounting cavity is communicated with the accommodating cavity;

the power supply assembly is arranged in the mounting cavity, the clamping piece is propped between the power supply assembly and the inner wall of the mounting cavity, and the power supply assembly is electrically connected with the lamp cap;

the tail cover is arranged at one end of the cylinder body, which is far away from the lamp cap, and the tail cover encapsulates the power supply assembly in the installation cavity.

Compared with the prior art, the embodiment of the application has the following main beneficial effects:

the clamping piece is arranged on the first circuit board, so that when the power supply assembly is arranged in a barrel of the flashlight, the power supply assembly is propped between the first circuit board and the inner wall of the barrel through the clamping piece, and therefore the power supply assembly is limited and fixed, the power supply assembly is prevented from being displaced relative to the barrel, the electric connection stability of the power supply assembly is improved, and the service life of the power supply assembly is prolonged.

The flashlight that this application provided through supporting the fastener and holding the setting between the inner wall of installation cavity and power module, carries out spacing fixedly to power module, avoids the relative barrel displacement of power module, improves the electric connection stability of power module and lamp holder, improves the quality and the life of flashlight.

Drawings

For a clearer description of the solution of the present application, a brief introduction will be given to the drawings needed in the description of the embodiments, which are some embodiments of the present application, and from which other drawings can be obtained for a person skilled in the art without the inventive effort.

FIG. 1 is a schematic diagram of a power supply assembly according to an embodiment of the present application;

FIG. 2 is a schematic view of a power assembly according to an embodiment of the present application in another orientation;

FIG. 3 is a structural exploded view of a power supply assembly of an embodiment of the present application;

FIG. 4 is a schematic structural view of a fastener according to an embodiment of the present application;

FIG. 5 is a schematic view of a quick connector according to an embodiment of the present disclosure;

FIG. 6 is a schematic diagram of a flashlight of an embodiment of the present application;

fig. 7 is an enlarged schematic view at a with respect to fig. 6.

Reference numerals:

1. a power supply assembly; 11. a power pack; 111. a conductive sheet; 112. a battery pack; 12. a first circuit board; 121. a slot; 13. a clip; 131. a bottom plate; 132. a convex buckle; 133. a clamping hook; 134. a bending part; 135. an arc-shaped plate; 14. a second circuit board; 141. a switching element; 142. an indicator light element; 15. a third circuit board; 16. an auxiliary circuit board; 17. quick-connection seat; 171. a connection part; 172. positioning the contact pin; 173. a spring plate; 18. a fourth circuit board; 181. a power connection hole; 182. a fixing groove; 19. a power receiving member; 2. a barrel body; 21. a mounting cavity; 22. a switch button; 23. a light hole; 3. a lamp base; 31. a housing; 4. a tail cover; 41. a boss; 42. a limiting piece; 43. a fixing member; 5. and a connecting piece.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

Embodiments of the power supply assembly of the present application

Referring to fig. 1 to 3, the present application provides a power supply assembly 1, which is installed in a flashlight body 2 and includes a circuit board and a power pack 11.

The circuit board comprises a first circuit board 12 and a clamping piece 13, wherein the first circuit board 12 is electrically connected with the power supply group 11, and the clamping piece 13 is arranged on one side, far away from the power supply group 11, of the first circuit board 12.

This embodiment is when the installation, install power supply module 1 in barrel 2, buckle spare 13 supports and holds between the inner wall of first circuit board 12 and barrel 2, through installing buckle spare 13 on first circuit board 12, when making power supply module 1 install in barrel 2 of flashlight, support and hold between the inner wall of first circuit board 12 and barrel 2 through buckle spare 13 to carry out spacing fixed to power supply module 1, prevent that power supply module 1 from taking place the displacement relative barrel 2, improve power supply module 1's electric connection stability, extension power supply module 1's life.

Referring to fig. 1 to 3, in some embodiments, the power supply unit 11 includes a conductive sheet 111 and a battery unit 112, the conductive sheet 111 is connected between the battery unit 112 and the circuit board, in this embodiment, the number of the battery units 112 is two, and the conductive sheet 111 is disposed between two adjacent battery units 112 and is used as the positive electrode and the negative electrode of the battery to electrically connect the adjacent battery units 112; or disposed at an end of the battery pack 112 and connected to the circuit board for electrically connecting the battery pack 112 to the circuit board.

Referring to fig. 1, in the present embodiment, a connection hole is formed on the first circuit board 12 corresponding to the conductive sheet 111, a plurality of positioning tabs are disposed on the conductive sheet 111, and the conductive sheet 111 is connected to the first circuit board 12 through cooperation of the positioning tabs and the connection hole, so as to electrically connect the battery pack 112 to the first circuit board 12.

Referring to fig. 1, 3 and 4, the fastening member 13 includes a fixing portion and a supporting portion.

The fixing portion includes a bottom plate 131, at least one protruding buckle 132 is disposed on a side of the bottom plate 131 facing the first circuit board 12, and ends of the protruding buckles 132 are bent to form hooks 133, in this embodiment, the bottom plate 131 includes two protruding buckles 132, slots 121 are disposed at positions of the first circuit board 12 corresponding to the protruding buckles 132, and the protruding buckles 132 are clamped with the slots 121 of the first circuit board 12 through the hooks 133, so that the clamping buckle 13 is fixed on a side of the first circuit board 12 far away from the power pack 11.

The bottom plate 131 is kept away from first circuit board 12 one side still is equipped with kink 134, and kink 134 extends to keeping away from first circuit board 12 direction, forms arc 135, arc 135 is the elastic sheet, when power module 1 installs and get into in the stack shell 2, stack shell 2 inner wall extrusion arc 135 to promote arc 135 to remove to first circuit board 12 direction, arc 135 is because self elasticity effect, continuously supports in stack shell 2's inner wall, in order to fill the space between power module 1 and stack shell 2's the inner wall, prevents that power module 1 from rocking in stack shell 2, in order to realize spacing fixed to power module 1.

Referring to fig. 2 and 3, in some embodiments, the circuit board further includes a second circuit board 14, and the second circuit board 14 is disposed parallel to the first circuit board 12.

The power pack 11 is clamped between the first circuit board 12 and the second circuit board 14, the power pack 11 is electrically connected with the second circuit board 14, in this embodiment, a connection hole is formed on the second circuit board 14 corresponding to the conductive sheet 111, and the conductive sheet 111 is connected with the second circuit board 14 by matching the positioning tab and the connection hole, so as to electrically connect the battery pack 112 with the second circuit board 14.

In this embodiment, the second circuit board 14 is provided with a switching element 141 and an indicator light element 142, and the switching element 141 and the indicator light element 142 are electrically connected to the second circuit board 14 respectively, and in this embodiment, the indicator light element 142 uses LED beads.

Referring to fig. 1 to 3, in some embodiments, the circuit board further includes a third circuit board 15, where the third circuit board 15 is disposed on top of the power supply assembly 1, and the third circuit board 15 is disposed perpendicular to the first circuit board 12; the third circuit board 15 is electrically connected to the power pack 11, and is used for supplying power to the light emitting component of the flashlight.

In this embodiment, the third circuit board 15 is provided with a connection hole corresponding to the conductive sheet 111, and the conductive sheet 111 is connected to the third circuit board 15 by matching the positioning tab with the connection hole, so as to electrically connect the battery pack 112 to the third circuit board 15.

Referring to fig. 3, in the present embodiment, an auxiliary circuit board 16 is further disposed between the third circuit board 15 and the conductive sheet 111.

Referring back to fig. 1 to 3, the circuit board further includes at least one quick connector 17, and the quick connector 17 is mounted on a side of the third circuit board 15 away from the power pack 11.

Referring to fig. 4, the quick connector 17 includes a connecting portion 171 and an elastic portion.

The connection portion 171 is mounted on the third circuit board 15, in this embodiment, a positioning pin 172 is further disposed on a side of the connection portion 171 facing the third circuit board 15, a positioning groove is disposed at a position of the third circuit board 15 corresponding to the positioning pin 172, and the quick connector 17 is positioned on the third circuit board 15 by matching the positioning pin 172 with the positioning groove.

The elastic part comprises two elastic pieces 173 extending from the connecting part 171 to a direction far away from the third circuit board 15 to form mirror image arrangement, the elastic pieces 173 extend upwards from the connecting part 171 and then bend inwards to form an arc surface, then bend outwards for the second time, in an initial state, the two elastic pieces 173 are tightly contacted with the arc surface under the elastic action, when the power supply assembly 1 is arranged in the barrel 2, the lamp cap 3 is inserted between the two elastic pieces 173 through the contact pin when being arranged on the barrel 2, and the lamp cap 3 is tightly contacted with the arc surface of the elastic pieces 173 to form stable electric connection.

Referring to fig. 1 to 3, in some embodiments, the circuit board further includes a fourth circuit board 18, the fourth circuit board 18 is disposed at the bottom of the power supply assembly 1, the fourth circuit board 18 is disposed perpendicular to the first circuit board 12, and the power pack 11 is clamped between the third circuit board 15 and the fourth circuit board 18, so as to achieve stable electrical connection between the power pack 11 and the third circuit board 15 and the fourth circuit board 18, respectively; the fourth circuit board 18 is electrically connected to the power pack 11 for connection to a charging assembly of a flashlight.

In this embodiment, the fourth circuit board 18 is provided with a connection hole corresponding to the conductive sheet 111, and the conductive sheet 111 is connected to the fourth circuit board 18 by matching the positioning tab with the connection hole, so as to electrically connect the battery pack 112 to the third circuit board 15.

In this embodiment, a secondary circuit board 16 is further disposed between the fourth circuit board 18 and the conductive sheet 111.

Referring to fig. 6 and 7, in some embodiments, the circuit board further includes at least one power connector 19, one end of the power connector 19 near the fourth circuit board 18 is provided with parallel power pins, and the power connector 19 is used for connecting the fourth circuit board 18 with a charging assembly disposed on the tail cap 4;

the fourth circuit board 18 is provided with a power connection hole 181 corresponding to the position of the power connection piece 19, and the power connection needle is vertically inserted into the power connection hole 181, so as to realize stable electrical connection between the charging assembly and the power supply assembly 1.

Embodiments of the flashlight of the present application

Referring to fig. 6 and 7, the present application provides a flashlight, including: a barrel 2, a base 3, a tail cap 4 and a power supply assembly 1 as described above.

The tail part of the lamp cap 3 is provided with a connecting cavity, the cylinder body 2 is provided with a mounting cavity 21 penetrating through two opposite side surfaces of the cylinder body, the cylinder body 2 is at least partially inserted into the connecting cavity, and the mounting cavity 21 is communicated with the connecting cavity; the tail cover 4 is arranged at one end of the cylinder body 2 far away from the lamp cap 3, the power supply assembly 1 is arranged in the mounting cavity 21, the clamping piece 13 is propped between the power supply assembly 1 and the inner wall of the mounting cavity 21, and the power supply assembly 1 is electrically connected with the lamp cap 3; the tail cap 4 encapsulates the power supply assembly 1 within the mounting cavity 21.

When this application carries out the flashlight installation, through the connecting chamber with the socket 3 of pegging graft in the stack shell 2, in the installation cavity 21 of stack shell 2 was installed to power supply unit 1 to install tail hood 4 at stack shell 2 afterbody, accomplish the structure fast-assembling of flashlight, through the cooperation between quick connector and the quick connector 17 between lamp holder 3 and the power supply unit 1, the cooperation between connector 19 and the electric hole 181 is received in the electric connection, in order to realize the circuit fast-assembling of flashlight. In addition, through setting up fastener 13, make fastener 13 can support to hold in the setting between installation cavity 21 inner wall and power supply module 1, carry out spacing fixedly to power supply module 1, avoid the relative barrel 2 displacement of power supply module 1, improve the electricity connection stability of power supply module 1 and lamp holder 3, improve the quality and the life of flashlight.

Referring to fig. 6, in the present embodiment, a switch button 22 is disposed on the barrel 2, and the switch button 22 is electrically connected to a switch element 141 on the second circuit board 14.

The position of the cylinder body 2 corresponding to the indicator light element 142 is provided with a light hole 23.

The outside of barrel 2 still is provided with anti-skidding decorative pattern to realize increasing frictional force, avoid the user to drop the flashlight, cause the damage to the flashlight.

The lamp cap 3 includes a housing 31 and a light emitting element (not shown in the figure), the light emitting element is further provided with a quick connector (not shown in the figure) towards one side of the connecting cavity, and the quick connector is matched with the quick connector 17 in a quick insertion manner so as to realize the electric connection between the light emitting component and the power supply component 1, in this embodiment, the quick connector is a T-shaped connecting pin, when the lamp cap 3 is mounted on the barrel 2, the T-shaped connecting pin is inserted between the two elastic sheets 173, and under the elastic action, the arc surfaces of the two elastic sheets 173 are tightly contacted with the surface of the T-shaped connecting pin so as to realize the stable electric connection between the light emitting component and the power supply component 1.

Referring to fig. 6, in some embodiments, the flashlight further includes a connecting piece 5, the connecting piece 5 is sleeved on the outer wall of the tail cap 4, and can rotate around the tail cap 4 relatively, the connecting piece 5 is in threaded connection with the tail portion of the barrel 2, and the tail cap 4 is installed at the tail portion of the barrel 2 through the connecting piece 5, and encapsulates the power supply assembly 1 in the installation cavity 21.

Referring to fig. 7, a receiving cavity is formed on a side of the tail cover 4 facing the barrel 2, a plurality of bosses 41 are formed in the receiving cavity, and when the tail cover 4 is mounted on the tail of the barrel 2, the bosses 41 are abutted against the fourth circuit board 18 to limit the power supply assembly 1 to move along the axial direction, so as to improve the electrical connection stability of the power supply assembly 1.

The opening part of holding the chamber still is equipped with a plurality of locating parts 42, tail hood 4 install in when the afterbody of stack shell 2, locating part 42 offsets with fourth circuit board 18 for the restriction power supply module 1 keeps away from lamp holder 3 one end and moves along radial direction, in order to realize further improving power supply module 1's electric connection stability.

The tail cover 4 further comprises a fixing piece 43, the fixing piece 43 is arranged in the accommodating cavity, the fixing piece 43 comprises a fixing seat, the fixing seat is arranged on the first side face, one end of the fixing seat, which is far away from the first side face, is bent to form a barb, in some embodiments, the fixing piece 43 further comprises a reinforcing rib, the reinforcing rib is connected between the fixing seat and the first side face, a fixing groove 182 is formed in the position, corresponding to the fixing piece 43, of the fourth circuit board 18, and the fixing piece 43 is matched with the fixing groove 182 through the barb so as to fix the fourth circuit board 18.

One end of the electrical connector 19, which is far away from the fourth circuit board 18, is connected with the tail cover 4, in this embodiment, a charging contact is disposed on the tail cover 4, and one end of the electrical connector 19, which is far away from the fourth circuit board 18, is connected with the charging contact, so as to increase the electrical connection stability of the power supply assembly 1 during charging.

It is apparent that the embodiments described above are only some embodiments of the present application, but not all embodiments, the preferred embodiments of the present application are given in the drawings, but not limiting the patent scope of the present application. This application may be embodied in many different forms, but rather, embodiments are provided in order to provide a more thorough understanding of the present disclosure. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing, or equivalents may be substituted for elements thereof. All equivalent structures made by the specification and the drawings of the application are directly or indirectly applied to other related technical fields, and are also within the protection scope of the application.

Claims

1. A power supply assembly arranged in a barrel body of a flashlight, which is characterized by comprising a circuit board and a power supply group;

2. The power assembly of claim 1, wherein the clasp comprises a securing portion and a retaining portion;

3. The power assembly of claim 2, wherein the circuit board further comprises a second circuit board disposed in parallel with the first circuit board;

4. The power assembly of claim 3, wherein the circuit board further comprises a third circuit board disposed on top of the power assembly, the third circuit board disposed perpendicular to the first circuit board;

the third circuit board is electrically connected with the power supply group and is electrically connected with the luminous component of the flashlight.

5. The power assembly of claim 4, wherein the circuit board further comprises at least one quick connector mounted to a side of the third circuit board remote from the power pack.

6. The power assembly of claim 5, wherein the quick connector comprises a connecting portion and an elastic portion;

the connecting part is arranged on the third circuit board;

7. The power assembly of claim 4, wherein the circuit board further comprises a fourth circuit board disposed at a bottom of the power assembly, the fourth circuit board disposed perpendicular to the first circuit board;

8. The power supply assembly of claim 7, wherein the circuit board further comprises at least one power connector, and wherein a parallel arrangement of power pins is disposed at an end of the power connector adjacent to the fourth circuit board;

9. The power supply assembly of any one of claims 1-8, wherein the power pack comprises a conductive sheet and a battery pack, the conductive sheet being connected between the battery pack and a circuit board.

10. A flashlight comprising a barrel, a lamp cap, a tail cap and a power supply assembly according to any one of claims 1 to 9;

the tail part of the lamp cap is provided with a containing cavity;