CN116221681A

CN116221681A - Tail cover assembly and flashlight

Info

Publication number: CN116221681A
Application number: CN202310383767.6A
Authority: CN
Inventors: 黄阳彪; 丁柏平; 杨锋; 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: 2023-06-06

Abstract

The embodiment of the application belongs to the technical field of lighting equipment, and relates to a tail cover assembly, which comprises a tail cover, a connecting piece, a charging circuit board and a power receiving piece; a containing cavity is arranged on one side of the tail cover facing the cylinder body; the connecting piece is sleeved on the periphery of the tail cover and can rotate around the axis of the connecting piece relative to the tail cover, and the connecting piece is used for installing the tail cover at the end part of the barrel body of the flashlight; the charging circuit board is arranged in the accommodating cavity; the electric receiving piece is arranged in the accommodating cavity, one end of the electric receiving piece is connected with the bottom of the accommodating cavity, the other end of the electric receiving piece is inserted on the charging circuit board, and an included angle formed between the electric receiving piece and the charging circuit board is smaller than 180 degrees. The application also relates to a flashlight. The technical scheme that this application provided can make the tailstock atress even, prolongs the life of tailstock and improves the installation effectiveness of tailstock.

Description

Tail cover assembly and flashlight

Technical Field

The present application relates to the field of lighting device technology, and more particularly, to a tail cap 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 tail cap of current flashlight is installed and is kept away from lamp holder one end back at the stack shell, installs at corresponding hole site through the screw to realize fixing the tail cap on the stack shell, but conventional tail cap fixed mode can lead to the atress of tail cap inhomogeneous, and the local stress concentration of screw installation department damages the tail cap easily, reduces the life of tail cap.

In addition, the connection of the charging assembly and the power supply assembly that set up on the current flashlight tail cap is parallel overlap joint, and the length overlength and the contact of the electric piece that connect of charging assembly are unstable, and when the flashlight bumps or drops, the electricity between charging assembly and the power supply assembly is connected and is disconnected easily, connects the electric piece to split even, leads to the unable charging of flashlight, reduces the life of flashlight.

Disclosure of Invention

The technical problem that this application embodiment to solve is that the tail-hood atress of current flashlight is inhomogeneous easily damages and charging assembly and power supply module's electricity is connected unstably.

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

a tail cap assembly comprises a tail cap, a connecting piece, a charging circuit board and an electric connecting piece;

a containing cavity is formed in one side, facing the cylinder body, of the tail cover;

the connecting piece is sleeved on the periphery of the tail cover and can rotate around the axis of the connecting piece relative to the tail cover, and the connecting piece is used for installing the tail cover at the end part of the barrel body of the flashlight;

the charging circuit board is arranged in the accommodating cavity;

the electric connector is arranged in the accommodating cavity, one end of the electric connector is connected with the bottom of the accommodating cavity, the other end of the electric connector is inserted on the charging circuit board, and an included angle formed between the electric connector and the charging circuit board is smaller than 180 degrees.

Further, the connecting piece comprises a connecting sleeve, and the connecting sleeve is at least partially sleeved on the outer side of the tail cover;

the connecting sleeve extends towards the cylinder body to form a connecting part for connecting the connecting sleeve with the cylinder body.

Further, one end of the connecting sleeve, which is far away from the cylinder body, is provided with a limiting step, and the limiting step abuts against the end part of the tail cover.

Further, the connecting piece further comprises a fastening piece, and a chute is arranged on the outer wall of the tail cover;

the fastener penetrates through the connecting sleeve and is then placed in the sliding groove.

Further, the charging circuit board is arranged parallel to the bottom of the accommodating cavity, and a power receiving hole is formed in the charging circuit board at a position corresponding to the power receiving piece;

the electric connector extends along the direction parallel to the cylinder body and is vertically inserted into the electric connector.

Further, the electric connector comprises a mounting part and a plug part;

the mounting part is arranged on the tail cover to form a charging contact;

the plug-in part extends from the mounting part to a direction far away from the tail cover to form, and comprises at least one electric connection needle, wherein the electric connection needle is used for being plugged in the charging circuit board, and an included angle formed between the electric connection needle and the charging circuit board is smaller than 180 degrees.

Further, the tail cover further comprises a fixing piece, and the fixing piece is arranged in the accommodating cavity;

the fixing piece comprises a fixing seat, wherein the fixing seat is connected with the tail cover, one end, far away from the tail cover, of the fixing seat is bent to form a hook, and the hook is used for being connected with the charging circuit board in a clamping mode to fix the charging circuit board.

Further, the fixing piece further comprises a reinforcing rib, and the reinforcing rib is connected between the fixing seat and the tail cover.

Further, the tail cover further comprises a bearing boss, and the bearing boss is arranged in the accommodating cavity and used for bearing the charging 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:

a flashlight comprises a lamp cap, a barrel body, a power supply assembly and a tail cap assembly as described above;

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

the cylinder body is at least partially inserted into the connecting cavity, and a mounting cavity penetrating through two opposite side surfaces is arranged in the cylinder body;

the power supply assembly is arranged in the mounting cavity and is electrically connected with the lamp cap;

the tail cap subassembly install in the barrel is kept away from the one end of lamp holder, the connecting chamber the installation chamber the chamber intercommunication holds, charging circuit board with the power supply module electricity is connected.

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

through the arrangement of the connecting piece, the embodiment of the application converts local stress fixed by the tail cover screw into comprehensive stress of the connecting piece on the periphery of the tail cover, so that the tail cover is fixed on the cylinder body and is uniformly stressed, the connecting mode is simple, and the installation efficiency and the service life of the tail cover are improved; in addition, the electric connection stability of the power supply assembly and the electric connection piece is improved by adopting a plug-in connection mode between the electric connection piece for charging and the charging circuit board on the tail cover, the length of the electric connection piece is shortened, and the service life of the electric connection piece is prolonged.

The setting of barrel afterbody is installed through adopting above-mentioned tail cap subassembly to this application embodiment, has improved the electric connection stability when power supply unit charges, and improves the structural connection stability of flashlight afterbody, has simplified the mounting means of tail cap, is convenient for install and dismantles.

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 structural view of a tail cap assembly according to an embodiment of the present application;

FIG. 2 is a structural exploded view of a tail cap assembly of an embodiment of the present application;

FIG. 3 is a schematic cross-sectional view of a tail cap assembly of an embodiment of the present application;

FIG. 4 is a schematic view of the structure of the tail cap of an embodiment of the present application;

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

FIG. 6 is a structural exploded view of the flashlight of the present application;

fig. 7 is a schematic cross-sectional view of a flashlight of the present application.

Reference numerals:

1. a tail cover; 11. a bottom plate; 12. a sidewall; 13. a fixing member; 131. a fixing seat; 132. a hook; 133. reinforcing ribs; 14. a bearing boss; 15. a limiting piece; 16. a seal; 17. an NFC sensing module; 18. a charging interface; 19. a chute; 2. a connecting piece; 21. a connection part; 22. a limit step; 23. a fastening hole; 3. a charging circuit board; 31. a power connection hole; 32. a fixing hole; 4. a power receiving member; 41. a mounting part; 411. a clamping groove; 42. a plug-in part; 421. a power connection needle; 5. a lamp base; 51. a seal ring; 52. a quick connector; 6. a barrel body; 61. a mounting cavity; 62. a switch button; 63. a light hole; 7. a power supply assembly; 71. a clip; 72. quick-connection seat; 73. a first circuit board; 74. a second circuit board; 741. a switching element; 742. an indicator light element; 75. a third circuit board; 76. and a power supply group.

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 tail cap assembly of the present application

Referring to fig. 1 to 3, the present application provides a tail cap assembly, including: tail cap 1, connecting piece 2, charging circuit board 3, electric connector 4.

The tail cover 1 is provided with a containing cavity towards one side of the barrel body 6, the connecting piece 2 is sleeved on the periphery of the tail cover 1 and can rotate around the axis of the tail cover 1 relative to the tail cover 1, and the connecting piece 2 is used for installing the tail cover 1 at the end part of the barrel body 6 of the flashlight; the charging circuit board 3 is installed in the accommodating cavity, one end of the power receiving piece 4 is connected with the bottom of the accommodating cavity, the other end of the power receiving piece is inserted on the charging circuit board 3, an included angle formed between the power receiving piece 4 and the charging circuit board 3 is smaller than 180 degrees, and in the embodiment, the power receiving piece 4 is inserted on the charging circuit board 3 vertically.

According to the embodiment of the application, the tail cover 1 is arranged at the tail end of the cylinder body 6 through the connecting piece 2, the local stress fixed by the screw of the tail cover 1 is converted into the overall stress of the connecting piece 2 on the periphery of the tail cover 1, so that the tail cover 1 is uniformly stressed when being fixed on the cylinder body 6, the connecting mode is simple, and the installation efficiency and the service life of the tail cover 1 are improved; in addition, the plug-in connection mode of the power receiving piece 4 and the charging circuit board 3 on the tail cover 1 improves the electric connection stability of the power supply assembly 7 and the charging assembly, shortens the length of the power receiving piece 4, and improves the service life of the power receiving piece 4.

Referring to fig. 2 and 4, in some embodiments, the tail cap 1 includes a bottom plate 11 and a side wall 12, and the side wall 12 is disposed around the bottom plate 11; the bottom plate 11 has a first side facing the barrel 6, a second side opposite the first side, and the side wall 12 forms a receiving cavity with the first side.

Referring to fig. 2 and 5, the electrical connector 4 includes a mounting portion 41, and a plugging portion 42 formed by extending the mounting portion 41 away from the tail cap 1, wherein the mounting portion 41 is mounted on the base plate 11.

In some embodiments, the mounting portion 41 is mounted on the base plate 11 from a first side, the second side is concave downward corresponding to the position of the electrical connector 4 to form a groove, the bottom surface of the mounting portion 41 is exposed in the groove to form a charging contact, and the charging contact is used for being connected with a contact charger to realize wireless charging, in this embodiment, the charging contact is recessed relative to the second side, so as to realize the flatness of the second side of the base plate 11, and avoid that the charging contact is easily affected by friction to affect the performance of wireless charging.

In this embodiment, the two sides of the mounting portion 41 are recessed inward to form the clamping slots 411, the mounting portion 41 is mounted on the bottom plate 11 through the two sides of the clamping slots 411, and the contact area and the connection strength between the clamping slots 411 and the bottom plate 11 can be increased, so that the connection stability between the electrical connector 4 and the tail cap 1 is improved.

Referring to fig. 1, 2 and 5, the plugging portion 42 includes at least one electrical contact 421, the electrical contact 421 is configured to be plugged into the charging circuit board 3, an included angle formed between the electrical contact 421 and the charging circuit board 3 is smaller than 180 °, in some embodiments, the plugging portion 42 includes two electrical contacts 421, specifically a first electrical contact and a second electrical contact, which are formed by extending from the mounting portion along the direction of the barrel 6 toward a side away from the bottom plate 11, and the first electrical contact and the second electrical contact are disposed in parallel and are respectively plugged into the charging circuit board 3 vertically, so as to achieve an improvement of electrical connection stability between the electrical connector 4 and the charging circuit board 3, and meanwhile, the electrical connection stability between the electrical connector 4 and the charging circuit board 3 is further improved due to the fact that the first electrical contact and the second electrical contact are respectively plugged into the charging circuit board 3 vertically, and the rotation of the charging circuit board 3 relative to the first electrical contact and the second electrical contact about their own axes is limited.

In this embodiment, the plugging portion 42 further includes a third electrical contact pin, the third electrical contact pin is connected between the first electrical contact pin and the second electrical contact pin, the third electrical contact pin extends along the direction of the barrel 6 toward a side far away from the bottom plate 11 after being bent twice, and the charging circuit board 3 is supported on the bending portion of the third electrical contact pin when being plugged perpendicularly with the first electrical contact pin, the second electrical contact pin and the third electrical contact pin respectively, so as to realize limiting the charging circuit board 3 from further moving radially toward the direction of the tail cap 1 relative to the electrical contact 4, thereby further improving the electrical contact stability between the electrical contact 4 and the charging circuit board 3; the first electric needle, the second electric needle and the third electric needle are distributed in a regular triangle, electric holes 31 are respectively formed in positions, corresponding to the electric pieces 4, of the charging circuit board 3, the first electric needle, the second electric needle and the third electric needle are vertically inserted into the electric holes 31 of the charging circuit board 3, so that the electric stability of the electric pieces 4 and the charging circuit board 3 is improved, the length of the electric pieces 4 can be shortened in a parallel lap joint mode compared with the prior art, the processing cost is reduced, the structural strength of the electric pieces 4 is improved, the situation that the electric pieces 4 are directly broken due to the collision or dropping of the electric pieces is avoided, and the service life of the electric torch is prolonged.

In some embodiments, the side wall 12 of the terminal 421 remote from the end of the mounting portion is chamfered or rounded to enable guided insertion of the terminal 421 into the terminal hole 31.

Referring to fig. 1 to 3, in some embodiments, the tail cap 1 further includes a fixing member 13, and the fixing member 13 is installed in the accommodating cavity.

The mounting 13 includes fixing base 131, fixing base 131 with tail-gate 1 is connected, fixing base 131 keeps away from tail-gate 1 one end is buckled and is formed couple 132, couple 132 be used for with charging circuit board 3 joint, fixed charging circuit board 3, in this embodiment, fixing base 131 installs on the first side of tail-gate 1, charging circuit board 3 corresponds mounting 13 position and is equipped with fixed orifices 32, and when charging circuit board 3 was installed in holding the intracavity, mounting 13 kept away from first side board one end and passed fixed orifices 32, couple 132 and fixed orifices 32 joint to thereby avoid charging circuit board 3 to break away from holding the chamber for tail-gate 1 axial displacement, further guarantee that charging circuit board 3 and electric connection of electric connection 4 are stable.

In some embodiments, the fixing member 13 further includes a reinforcing rib 133, where the reinforcing rib 133 is connected between the fixing base 131 and the first side surface of the tail cover 1, for increasing the strength of the fixing member 13, and effectively preventing the fixing member 13 from being broken to affect the fixing of the charging circuit board 3.

Referring to fig. 2 and 3, in some embodiments, the tail cover 1 further includes a carrying boss 14, where the carrying boss 14 is installed in the accommodating cavity and is used to carry the charging circuit board 3; in this embodiment, the plurality of bearing bosses 14 are uniformly connected between the first side surface and the side wall 12 in a circumferential array around the center of the bottom plate 11, and the bearing bosses 14 cooperate with the fixing members 13 to further limit the circumferential displacement of the charging circuit board 3 relative to the tail cover 1, thereby improving the electrical connection stability of the charging circuit board 3 and the electrical connector 4.

Referring to fig. 1 to 3, the tail cover 1 further includes at least one limiting member 15, where the limiting member 15 is installed on the tail cover 1 and surrounds the accommodating cavity, and is used to limit the radial displacement of the charging circuit board 3 carried on the carrying boss 14, in this embodiment, the limiting member 15 is a limiting rib disposed on a side of the side wall 12 away from the bottom plate 11, and the limiting rib is disposed around the accommodating cavity, and the limiting rib may be a continuous annular structure or a multi-segment intermittent arc structure, and is used to limit the radial displacement of the charging circuit board 3 mounted on the carrying boss 14 relative to the tail cover 1.

Referring to fig. 1 to 3 again, the tail cover 1 further includes a sealing member 16, the sealing member 16 is installed on a side of the tail cover 1 near the barrel body 6, in this embodiment, an O-ring is selected as the sealing member 16, the O-ring is sleeved on the outer side of the side wall 12, when the tail cover 1 is installed on the barrel body 6, the O-ring is extruded to realize waterproof of the tail of the flashlight, in this embodiment, the sealing member 16 is made of fluorosilicone rubber, and the O-ring made of fluorosilicone rubber has better heat resistance and high voltage resistance.

Referring to fig. 2, the tail cap 1 further includes an NFC sensing module 17, the NFC sensing module 17 is electrically connected with the charging circuit board 3, and wireless charging of the flashlight is achieved through the NFC sensing module 17.

Referring to fig. 4, the tail cap 1 further includes a charging interface 18, the charging interface 18 is electrically connected to the charging circuit board 3, in this embodiment, the charging interface 18 is disposed on the second side, and the other end of the charging interface 18 protrudes from the first side so as to be electrically connected to the charging circuit board 3, in this embodiment, the charging interface 18 is configured as a common interface, such as a Type-C interface, a USB interface, or a DC interface, so as to implement wired charging with a flashlight.

Referring to fig. 2 and 3, the connecting piece 2 includes a connecting sleeve, and the connecting sleeve is at least partially sleeved on the outer side of the tail cover 1; the connecting sleeve extends towards the direction of the cylinder body 6 to form a connecting part 21, and the connecting part 21 is used for connecting the connecting sleeve and the cylinder body 6.

When the installation of flashlight tail cap 1 is carried out, through the cooperation of connecting portion 21 and stack shell 6, install connecting sleeve in the afterbody of stack shell 6, the outside at tail cap 1 is installed to the adapter sleeve barrel suit to carry out full coverage to the outside of tail cap 1, be tail cap 1 atress evenly install in the afterbody of stack shell 6.

In this embodiment, the connecting sleeve rotates relative to the tail cap 1, the connecting portion 21 is in threaded connection with the tail portion of the barrel 6, and in other embodiments, the connecting portion 21 and the tail portion of the barrel 6 may be further connected by a snap fit or an interference fit.

Referring to fig. 2 and 3 again, the end of the connecting sleeve, far away from the barrel 6, is bent inwards to form a limit step 22, when the connecting sleeve is sleeved outside the tail cover 1, the limit step 22 abuts against the end of the tail cover 1, as shown in fig. 3, so as to limit the tail cover 1 to deviate from the connecting sleeve along the direction far away from the barrel 6, and meanwhile, the limit step 22 abuts against the end of the tail cover 1 to provide uniform pressure to the end of the tail cover 1, so that the tail cover 1 can be uniformly installed at the tail of the barrel 6 in hands, and the service life of the tail cover 1 is prolonged.

Referring to fig. 2, the connecting sleeve is provided with a fastening hole 23, a sliding groove 19 is disposed on the outer wall of the tail cap 1 corresponding to the horizontal plane of the fastening hole 23, the connecting piece 2 further includes a fastening piece (not shown in the drawing), when the connecting piece 2 is sleeved on the outer side of the tail cap 1, the fastening piece passes through the fastening hole 23 on the connecting sleeve and is placed in the sliding groove 19, so as to limit the relative axial movement of the connecting sleeve and the tail cap 1, and prevent the tail cap 1 from being separated from the connecting sleeve.

In some embodiments, the sliding groove 19 may be a circular or arc-shaped sliding groove, and the shape of the sliding groove 19 is set to limit the relative rotation angle of the connecting sleeve and the tail cover 1 after being connected.

When the connection sleeve is connected with the barrel 6, the tail cover 1 is arranged at the tail of the barrel 6, the jackscrew is further screwed down towards the tail cover 1, the end part of the jackscrew is propped against the bottom of the sliding groove 19, and the relative rotation between the tail cover 1 and the connection sleeve is limited, so that the tail cover 1 is limited to rotate along the circumferential direction, and the torsion of the fixing piece 13 and the power receiving piece 4 caused by the rotation of the tail cover 1 is avoided, and the internal structure is damaged.

Referring to fig. 2 and 3, in this embodiment, the charging circuit board 3 is disposed parallel to the bottom of the accommodating cavity, a power receiving hole 31 is disposed at a position of the charging circuit board 3 corresponding to the power receiving member 4, and the power receiving member 4 extends along a direction parallel to the barrel 6 and is vertically inserted into the power receiving hole 31; the position of charging circuit board 3 corresponding to mounting 13 is equipped with fixed orifices 32, and when charging circuit board 3 was installed in holding the intracavity, first side board one end was kept away from to mounting 13 passes fixed orifices 32, couple 132 and fixed orifices 32 joint to thereby avoid charging circuit board 3 to break away from holding the chamber for tail-hood 1 axial displacement, further guarantee that charging circuit board 3 and electric connection of electric connection 4 are stable.

Embodiments of the flashlight of the present application

Referring to fig. 6 and 7, the present application provides a flashlight, including: the lamp cap 5, the barrel 6, the power supply assembly 7 and the tail cap assembly as described above, wherein the tail cap assembly comprises a tail cap 1, a connecting piece 2, a charging circuit board 3 and a power receiving piece 4.

The tail part of the lamp cap 5 is provided with a connecting cavity, and in the embodiment, a first sealing ring 51 is arranged in the connecting cavity.

The barrel 6 is provided with a mounting cavity 61 penetrating through two opposite side surfaces of the barrel, the barrel 6 is at least partially inserted into the connecting cavity, and the waterproof between the lamp cap 5 and the barrel 6 is realized by extruding the first sealing ring 51.

The power supply assembly 7 is installed in the installation cavity 61, the power supply assembly 7 is electrically connected with the lamp cap 5, in this embodiment, the power supply assembly 7 includes a fastening piece 71, and the fastening piece 71 abuts between the power supply assembly 7 and the inner wall of the installation cavity 61, so as to fix the power supply assembly 7 in the installation cavity 61.

The tail cap subassembly is installed in the barrel 6 is kept away from the one end of lamp holder 5, the connecting chamber the installation cavity 61 the chamber intercommunication holds, charging circuit board 3 with power supply module 7 electricity is connected.

When the flashlight is installed, through the connecting cavity of the socket 5 with the socket 6, the power supply assembly 7 is installed in the installation cavity 61 of the socket 6, and install the tail cap 1 at the tail of the socket 6 through the connecting piece 2, the structure fast-assembling of the flashlight is completed, through the cooperation between the fast-connecting piece 52 and the fast-connecting seat 72 between the socket 5 and the power supply assembly 7, the power supply assembly 7 is connected with the charging circuit board 3 in an inserting manner, so that the circuit fast-assembling of the flashlight is realized. In addition, through setting up fastener 71, make fastener 71 can support to hold in the setting between installation cavity 61 inner wall and power module 7, it is spacing fixed to power module 7, avoid the relative barrel 6 displacement of power module 7, improve the electric connection stability of power module 7 and lamp holder 5, improve the quality and the life of flashlight, in addition, through adopting the setting of above-mentioned tail cap subassembly dress in barrel 6 afterbody, the electric connection stability when having improved power module 7 and charged, and the structural connection stability of improvement flashlight afterbody, the mounting means of tail cap 1 has been simplified, be convenient for install and dismantlement.

Referring to fig. 6, in this embodiment, the lamp cap 5 includes a housing and a light emitting element (not shown in the drawings), the light emitting element is further provided with a quick connector 52 on one side of the connecting cavity, the quick connector 52 is matched with the quick connector 72 through quick insertion so as to realize the electrical connection between the light emitting component and the power supply component 7, in this embodiment, the quick connector 52 is a T-shaped connecting pin, the quick connector 72 includes a quick connector base and an elastic portion, the quick connector base is mounted on one side of the power supply component 7 close to the lamp cap 5, the elastic portion includes two elastic pieces extending from the quick connector base in a direction away from the power supply component 7 to form a mirror image arrangement, the elastic pieces extend from the quick connector base and then bend inwards to form an arc surface, and then bend outwards for a second time.

The barrel 6 is provided with a switch button 62 and a light hole 63.

The outside of barrel 6 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.

In this embodiment, the power supply assembly 7 includes a first circuit board 73, a second circuit board 74, a third circuit board 75, and a power pack 76, where the first circuit board 73 and the second circuit board 74 are disposed in parallel, the power pack 76 is clamped between the first circuit board 73 and the second circuit board 74, the third circuit board 75 is connected to one ends of the first circuit board 73 and the second circuit board 74, which are close to the lamp base 5, the third circuit board 75 is disposed perpendicular to the first circuit board 73, the power pack 76 is electrically connected to the first circuit board 73, the second circuit board 74, and the third circuit board 75, the quick socket is mounted on a side of the third circuit board 75 facing the lamp base 5, and the quick socket is electrically connected to the third circuit board 75; the fastening piece 71 is mounted on the first circuit board 73, when the power supply assembly 7 is mounted in the mounting cavity 61 of the barrel 6, the fastening piece 71 is propped between the inner wall of the mounting cavity 61 and the first circuit board 73, and limiting fixation of the power supply assembly 7 is achieved through elastic deformation of the fastening piece 71.

The second circuit board 74 is provided with a switch element 741 corresponding to the switch button 62, and the second circuit board 74 is provided with an indicator light element 742 corresponding to the light hole 63, so that a user can control the switch of the flashlight and judge the working state of the flashlight according to the display of the indicator light on the barrel 6, and in this embodiment, the indicator light element 742 is an LED lamp bead.

In this embodiment, the tail cap assembly is mounted at the tail of the barrel 6, and the tail cap 1 is mounted at the side of the barrel 6 away from the lamp cap 5 through the threaded fit between the connecting piece 2 and the barrel 6, so as to encapsulate the power supply assembly 7 in the mounting cavity 61; the charging circuit board 3 is respectively plugged with the first circuit board 73 and the second circuit board 74 to form stable electric connection with the power supply assembly 7, and the flashlight can be charged stably by means of vertical plugging of the power receiving piece 4 and the charging circuit board 3.

According to the embodiment of the application, the tail cover assembly is arranged at the tail part of the barrel body 6, so that the electric connection stability of the power supply assembly 7 during charging is improved, the structural connection stability of the tail part of the flashlight is improved, the installation mode of the tail cover 1 is simplified, and the installation and the disassembly are convenient.

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. The tail cover assembly is characterized by comprising a tail cover, a connecting piece, a charging circuit board and an electric connecting piece;

the charging circuit board is arranged in the accommodating cavity;

2. The tail cap assembly of claim 1, wherein the connector comprises a connector sleeve at least partially sleeved outside the tail cap;

3. The tail cap assembly of claim 2, wherein the end of the connecting sleeve remote from the barrel is provided with a limiting step, the limiting step abutting against the end of the tail cap.

4. The tail cap assembly of claim 2, wherein the connector further comprises a fastener, the outer wall of the tail cap being provided with a chute;

5. The tail cap assembly according to any one of claims 1 to 4, wherein the charging circuit board is arranged parallel to the bottom of the accommodating cavity, and a power receiving hole is formed in the charging circuit board at a position corresponding to the power receiving piece;

6. The tail cap assembly of any of claims 1 to 4, wherein the electrical connector comprises a mounting portion and a mating portion;

the mounting part is arranged on the tail cover to form a charging contact;

7. The tail cap assembly of any of claims 1 to 4, further comprising a securing member mounted within the receiving cavity;

8. The tail cap assembly of claim 7, wherein the securing member further comprises a stiffener connected between the securing seat and the tail cap.

9. The tail cap assembly of any of claims 1 to 4, further comprising a load-bearing boss mounted within the receiving cavity for bearing the charging circuit board.

10. A flashlight including a base, a barrel, a power assembly and a tail cap assembly as claimed in any one of claims 1 to 9;

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