CN220249710U

CN220249710U - Electric torch

Info

Publication number: CN220249710U
Application number: CN202322402066.0U
Authority: CN
Inventors: 丁柏平; 杨锋; 黄阳彪; 何泽华; 龚政; 黄思浩
Original assignee: Shenzhen Zhongfuneng Electric Equipment Co Ltd
Current assignee: Shenzhen Zhongfuneng Electric Equipment Co Ltd
Priority date: 2023-08-31
Filing date: 2023-08-31
Publication date: 2023-12-26
Anticipated expiration: 2033-08-31

Abstract

The application belongs to the technical field of lighting equipment and relates to a flashlight. The flashlight includes: the lamp comprises a lamp cap, a cylinder body and a power supply assembly; the lamp cap is provided with a mounting cavity and a containing cavity which are communicated; a light emitting component is arranged in the mounting cavity and is provided with a first conductive contact part; the end part of the power supply component is provided with a conductive spring piece; the power supply assembly is arranged in the cylinder body, and the conductive elastic sheet protrudes out of the cylinder body; the barrel body is at least partially inserted into the accommodating cavity, and one surface of the conductive elastic sheet, which is far away from the power supply assembly, is abutted against the first conductive contact part. The technical scheme that this application provided with first conductive contact portion and conductive shell fragment butt, can realize the electricity of luminous subassembly and power module and be connected, need not to insert conductive shell fragment in the first conductive contact portion, has simplified the installation of luminous subassembly and power module.

Description

Electric torch

Technical Field

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

Background

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

Most of the conventional flashlights comprise a lamp cap and a barrel body electrically connected with the lamp cap, but in the prior art, the lamp cap and the barrel body are connected through a connecting needle and a connecting seat, the connecting seat is mainly composed of two elastic arc-shaped pieces, the convex surfaces of the two arc-shaped pieces are mutually abutted, contact points are formed between the two arc-shaped pieces, and the connecting needle is inserted between the contact points of the two arc-shaped pieces; on the other hand, the structure of connecting seat is complicated, leads to the processing technology degree of difficulty of connecting seat big, and the condition of easily appearing wandering has further increaseed the installation degree of difficulty of connecting needle and connecting seat.

Disclosure of Invention

The embodiment of the application provides a flashlight for solve the problem of flashlight installation difficulty among the prior art.

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

a flashlight, comprising: the lamp comprises a lamp cap, a cylinder body and a power supply assembly;

the lamp cap is provided with a mounting cavity and a containing cavity which are communicated; a light emitting component is arranged in the mounting cavity and is provided with a first conductive contact part;

the end part of the power supply component is provided with a conductive spring piece;

the power supply assembly is arranged in the cylinder body, and the conductive elastic sheet protrudes out of the cylinder body; the barrel body is at least partially inserted into the accommodating cavity, and one surface of the conductive elastic sheet, which is far away from the power supply assembly, is abutted against the first conductive contact part.

Further, the conductive elastic sheet comprises an elastic part and a second conductive contact part, the second conductive contact part is arranged on the elastic part and far away from the power supply assembly, and the second conductive contact part is abutted with the second conductive contact part.

Further, the lamp holder comprises a shell, a partition wall is arranged in the shell, the mounting cavity and the accommodating cavity are respectively positioned at two ends of the partition wall, and through holes are formed in the partition wall;

the light-emitting component is arranged at one end of the partition wall, the first conductive contact part is in butt joint with one end of the through hole, and the conductive elastic sheet penetrates through the other end of the through hole.

Further, the light emitting assembly comprises a first circuit board and a lamp bead, the lamp bead and the first conductive contact part are respectively arranged at two ends of the first circuit board, and the first conductive contact part is arranged close to the accommodating cavity;

the mounting cavity is internally provided with a reflector with two open ends, and one end, close to the accommodating cavity, of the reflector is covered on the lamp bead.

Further, the reflector comprises a body, a connecting ring and a synergistic piece, wherein the two ends of the body are provided with a light inlet and a light outlet, and the inner diameter of the body is gradually decreased from the light outlet to the direction of the light inlet;

two ends of the synergistic element are provided with a connecting port and an avoidance port, the connecting port is connected with the light inlet through the connecting ring, the inner diameter of the synergistic piece is gradually decreased from the connecting port to the avoiding port, and the lamp beads are inserted into the avoiding port.

Further, the flashlight also comprises a tail cap; the end, far away from the conductive elastic sheet, of the power supply component is provided with a charging column, and the charging column protrudes out of the end, far away from the lamp cap, of the barrel body; one end of the barrel body, which is far away from the lamp cap, is spliced with the tail cover, and the charging post is exposed out of the tail cover.

Further, the inner wall of the cylinder body is provided with positioning ridges which are arranged at intervals; the power supply assembly is abutted against the positioning ridge.

Further, positioning grooves are formed in the inner walls of two opposite sides of the barrel body, and two sides of the power supply assembly are clamped with the positioning grooves.

Further, the power supply assembly comprises a second circuit board, a third circuit board and a battery pack, wherein the battery pack is clamped between the second circuit board and the third circuit board, and the second circuit board and the third circuit board are respectively and electrically connected with the battery pack;

the battery assembly is arranged in the cylinder body, and the conductive elastic sheet is arranged on the second circuit board and is electrically connected with the second circuit board; the charging post is arranged on the third circuit board and is electrically connected with the third circuit board.

Further, the power supply assembly further comprises a fourth circuit board electrically connected with the battery pack, and a switch is arranged on the fourth circuit board; the cylinder body is provided with a key, and the key is abutted with the switch.

Compared with the prior art, the embodiment of the application has the following main beneficial effects: the first conductive contact part is abutted with the conductive elastic piece, so that the electric connection of the light-emitting component and the power component can be realized, the conductive elastic piece is not required to be inserted into the first conductive contact part, and the installation of the light-emitting component and the power component is simplified.

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 flashlight according to an embodiment of the present disclosure;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a perspective view of FIG. 2;

fig. 4 is an enlarged view at a in fig. 2;

FIG. 5 is a schematic diagram of the light emitting assembly of FIG. 2;

FIG. 6 is a cross-sectional view of the housing of FIG. 2;

FIG. 7 is a schematic view of the structure of the barrel of FIG. 2;

fig. 8 is a cross-sectional view of the reflector of fig. 2.

Reference numerals:

1. a lamp base; 11. a receiving chamber; 12. a mounting cavity; 13. a housing; 131. a partition wall; 132. a through hole; 133. a groove; 14. a cover body; 2. a barrel body; 21. positioning the ridge; 22. a positioning groove; 23. a key; 3. a power supply assembly; 31. a conductive spring plate; 311. an elastic part; 312. a second conductive contact; 32. a charging column; 33. a second circuit board; 34. a third circuit board; 35. a battery pack; 36. a fourth circuit board; 37. a switch; 4. a light emitting assembly; 41. a first conductive contact; 42. a first circuit board; 43. a lamp bead; 5. a reflector; 51. a body; 52. a connecting ring; 53. a synergistic element; 531. an avoidance port; 6. and a tail cover.

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.

In order to better understand the technical solutions of the present application, the following description will clearly and completely describe the technical solutions in the embodiments of the present application with reference to the accompanying drawings.

An embodiment of the present application provides a flashlight, as shown in fig. 1 to 8, including: a lamp cap 1, a barrel 2 and a power supply assembly 3; the lamp cap 1 is provided with a mounting cavity 12 and a containing cavity 11 which are communicated; the light emitting component 4 is arranged in the mounting cavity 12, and the light emitting component 4 is provided with a first conductive contact part 41; the end part of the power supply assembly 3 is provided with a conductive spring piece 31; the power supply assembly 3 is arranged in the cylinder body 2, and the conductive elastic sheet 31 protrudes out of the cylinder body 2; the barrel 2 is at least partially inserted into the accommodating cavity 11, and one surface of the conductive spring piece 31 away from the power component 3 abuts against the first conductive contact portion 41.

In this embodiment, the first conductive contact portion 41 is abutted to the conductive elastic sheet 31, so that the electrical connection between the light emitting component 4 and the power component 3 can be achieved, and the conductive elastic sheet 31 is not required to be inserted into the first conductive contact portion 41, so that the installation of the light emitting component 4 and the power component 3 is simplified. And the structure of the conductive elastic sheet 31 is simple, one end of the conductive elastic sheet 31 is arranged on the power supply assembly 3, the other end of the conductive elastic sheet 31 can be abutted with the first conductive contact part 41, the processing difficulty of the conductive elastic sheet 31 is reduced, and the installation of the luminous assembly 4 and the power supply assembly 3 is further simplified.

In addition, the prior art results in a small contact area of the connecting pin with the connecting seat. In the present embodiment, the first conductive contact portion 41 and the conductive spring piece 31 are abutted against one surface far from the power supply assembly 3 to form a contact surface, so that the contact area between the first conductive contact portion 41 and the conductive spring piece 31 is large;

according to ohm's law r=ρ L/a, where R is the resistance, ρ is the resistivity of the resistive material, L is the resistive material length, and a is the cross-sectional area of the resistive material; at the junction where the contact areas are different, the cross-sectional area of the resistive material with small contact area is relatively small, while the cross-sectional area of the resistive material with large contact area is large; therefore, the resistance of the connection part with small contact area is larger, and the resistance of the connection part with large contact area is smaller; therefore, compared with the prior art, the flashlight provided by the embodiment can effectively reduce the resistance.

Further, the number of the conductive spring pieces 31 is two, and the two conductive spring pieces 31 are arranged at intervals at the end part of the power supply assembly 3; the number of the first conductive contact parts 41 is two, and the two first conductive contact parts 41 are arranged on the light emitting component 4 at intervals.

As shown in fig. 4, the conductive spring piece 31 further includes an elastic portion 311 and a second conductive contact portion 312, wherein the second conductive contact portion 312 is disposed on the elastic portion 311 and away from the power module 3, and the second conductive contact portion 312 abuts against the second conductive contact portion 312.

In the present embodiment, the elastic portion 311 provides support for the second conductive contact portion 312, so that the second conductive contact portion 312 is in close contact with the first conductive contact portion 41, and a stable electrical connection is formed.

Further, a surface of the first conductive contact 41 adjacent to the second conductive contact 312 is a plane; to effectively increase the contact area of the first conductive contact 41 and the second conductive contact 312, thereby reducing the resistance.

Further, the elastic part 311 is an arc-shaped part, an S-shaped part, a wave-shaped part, a spring part, etc.; the application is not limited to the elastic member.

Preferably, the elastic part 311 is a wave-shaped member; the wave shape is beneficial to improving the elastic potential energy of the elastic part 311.

As shown in fig. 6, further, the lamp cap 1 includes a housing 13, a partition wall 131 is disposed in the housing 13, the installation cavity 12 and the accommodating cavity 11 are respectively located at two ends of the partition wall 131, and a through hole 132 is disposed on the partition wall 131; the light emitting component 4 is disposed at one end of the partition wall 131, the first conductive contact portion 41 abuts against one end of the through hole 132, and the conductive elastic sheet 31 is disposed at the other end of the through hole 132.

In the present embodiment, the partition wall 131 provides support for the light emitting assembly 4; when the barrel 2 is inserted into the accommodating cavity 11, the conductive spring piece 31 penetrates into the through hole 132, and the through hole 132 provides installation guidance for the conductive spring piece 31 so that the first conductive contact part 41 is abutted with the conductive spring piece 31.

Further, the number of the through holes 132 is two.

Further, the lamp cap 1 further comprises a cover 14, and the cover 14 is connected with the housing 13; the cover 14 is used for sealing the housing 13 to improve the waterproof and dustproof capabilities of the lamp cap 1.

As shown in fig. 5, further, the light emitting assembly 4 includes a first circuit board 42 and a lamp bead 43, the lamp bead 43 and the first conductive contact portion 41 are respectively disposed at two ends of the first circuit board 42, and the first conductive contact portion 41 is disposed adjacent to the accommodating cavity 11; the installation cavity 12 is internally provided with a reflector 5 with two open ends, and one end, close to the accommodating cavity 11, of the reflector 5 is covered on the lamp bead 43.

In this embodiment, the reflector 5 is configured to reflect and gather light emitted from the lamp beads 43 for multiple times and emit the light, so as to improve the optical performance of the light emitting component 4; the end part of the reflector 5 is covered on the lamp bead 43, so that the light emitted by the lamp bead 43 is ensured to completely enter the reflector 5, and the optical performance of the light-emitting component 4 is further improved.

Further, the partition wall 131 is further provided with a groove 133, and the first circuit board 42 is disposed in the groove 133; so as to facilitate positioning and mounting of the lighting assembly 4.

Further, the first circuit board 42 is connected to the partition wall 131 by a screw, so as to prevent the light emitting assembly 4 from falling off the partition wall 131, thereby improving the reliability of the flashlight.

As shown in fig. 8, further, the reflector 5 includes a body 51, a connection ring 52 and a synergistic member 53, two ends of the body 51 are provided with a light inlet (not shown) and a light outlet (not shown), and an inner diameter of the body 51 decreases from the light outlet to the direction of the light inlet; the two ends of the synergistic member 53 are provided with a connecting port (not shown) and an avoidance port 531, the connecting port is connected with the light inlet through the connecting ring 52, the inner diameter of the synergistic member 53 is gradually decreased from the connecting port to the direction of the avoidance port 531, and the lamp beads 43 are inserted into the avoidance port 531.

In the present embodiment, the body 51 is bowl-shaped or horn-shaped, so as to facilitate multiple reflection and gathering of the light emitted from the lamp beads 43 and then emitting the light, thereby improving the optical performance of the light emitting assembly 4.

In this embodiment, a bowl-shaped or horn-shaped synergistic member 53 is disposed at the bottom of the body 51, and the lamp beads 43 are inserted into the avoiding openings 531, so as to prevent the light emitted by the lamp beads 43 from being blocked by components (such as screws) on the first circuit board 42, and the synergistic member 53 effectively utilizes all the light emitted by the lamp beads 43, thereby ensuring the reflection effect and improving the light-emitting efficiency.

As shown in fig. 1 to 3, further, the flashlight also comprises a tail cap 6; the end of the power supply component 3, which is far away from the conductive elastic sheet 31, is provided with a charging column 32, and the charging column 32 protrudes out of the end of the barrel 2, which is far away from the lamp cap 1; one end of the barrel 2, which is far away from the lamp cap 1, is spliced with the tail cover 6, and the charging post 32 is exposed out of the tail cover 6.

In this embodiment, the portion of the charging post 32 exposed at the tail end is used as a charging contact for connecting with an external charger contact, and the portion of the charging post 32 exposed at the tail cover 6 has an end surface, so as to increase the contact area between the charging post 32 and the external charger contact, thereby effectively reducing the resistance.

Further, the charging post 32 is a copper post.

Further, a through hole (not shown) is formed in the tail cover 6, and an end of the charging post 32 away from the power supply assembly 3 is located in the through hole.

As shown in fig. 7, further, the inner wall of the barrel 2 is provided with positioning ridges 21 arranged at intervals; the power supply assembly 3 abuts against the positioning ridge 21.

In this embodiment, through location ridge 21 butt power pack 3, restricted power pack 3 and do circumferential motion in barrel 2, lamp holder 1 and tail-hood 6 have restricted power pack 3 along the radial movement of barrel 2 simultaneously, need not to set up other locking pieces and can effectively fix power pack 3, have avoided the flashlight to bump or drop when the condition such as, power pack 3 takes place the displacement and the poor contact that leads to, problem such as outage.

Further, the number of the positioning ridges 21 is four; adjacent two positioning ridges 21 are used to achieve a fixation of one side of the power supply assembly 3.

Further, positioning grooves 22 are formed in the inner walls of the two opposite sides of the barrel body 2, and the two sides of the power supply assembly 3 are clamped with the positioning grooves 22.

In this embodiment, the positioning groove 22 can reduce the diameter of the barrel 2 to reduce the weight of the barrel 2, and the positioning groove 22 is clamped with the power component 3, so as to further improve the fixing effect of the power component 3.

As shown in fig. 3, further, the power supply assembly 3 includes a second circuit board 33, a third circuit board 34, and a battery pack 35, the battery pack 35 is sandwiched between the second circuit board 33 and the third circuit board 34, and the second circuit board 33 and the third circuit board 34 are electrically connected to the battery pack 35, respectively; the battery pack 35 is installed in the barrel 2, and the conductive spring piece 31 is disposed on the second circuit board 33 and electrically connected to the second circuit board 33; the charging post 32 is disposed on the third circuit board 34 and is electrically connected to the third circuit board 34.

In the present embodiment, the second circuit board 33 supplies power to the light emitting assembly 4 through the battery pack 35; the charging post 32 supplies power to the battery pack 35 through the third circuit board 34.

Further, the radius of the positioning groove 22 corresponds to the radius of the battery in the battery pack 35; the battery pack 35 and the positioning groove 22 are free from gaps, so that the fixing effect of the power supply assembly 3 is improved.

Further, the number of the positioning grooves 22 is two, and the positioning grooves 22 are located between two adjacent positioning ridges 21.

Further, the power supply assembly 3 further includes a fourth circuit board 36 electrically connected to the battery pack 35, and a switch 37 is disposed on the fourth circuit board 36; the body 2 is provided with a button 23, and the button 23 abuts against the switch 37.

In this embodiment, pressing the key 23 turns on or off the switch 37, and thus the light emitting element 4.

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 flashlight, comprising: the lamp comprises a lamp cap, a cylinder body and a power supply assembly;

2. The flashlight of claim 1, wherein the conductive dome comprises a resilient portion and a second conductive contact portion disposed on the resilient portion and away from the power assembly, the second conductive contact portion abutting the second conductive contact portion.

3. The flashlight of claim 1, wherein the lamp cap comprises a housing, a partition wall is arranged in the housing, the mounting cavity and the accommodating cavity are respectively positioned at two ends of the partition wall, and a through hole is arranged on the partition wall;

4. A flashlight of any one of claims 1 to 3, wherein the light emitting assembly comprises a first circuit board and a light bulb, the light bulb and the first conductive contact being disposed at each end of the first circuit board, the first conductive contact being disposed adjacent the receiving cavity;

5. The flashlight of claim 4, wherein the reflector comprises a body, a connecting ring and a synergistic element, wherein the two ends of the body are provided with a light inlet and a light outlet, and the inner diameter of the body decreases from the light outlet to the light inlet;

6. A flashlight of any one of claims 1 to 3, wherein the flashlight further comprises a tail cap; the end, far away from the conductive elastic sheet, of the power supply component is provided with a charging column, and the charging column protrudes out of the end, far away from the lamp cap, of the barrel body; one end of the barrel body, which is far away from the lamp cap, is spliced with the tail cover, and the charging post is exposed out of the tail cover.

7. The flashlight of claim 6, wherein the inner wall of the barrel is provided with spaced apart locating ridges; the power supply assembly is abutted against the positioning ridge.

8. The flashlight of claim 7, wherein the inner walls of the opposite sides of the barrel are provided with positioning slots, and wherein the sides of the power assembly are engaged with the positioning slots.

9. The flashlight of claim 6, wherein the power assembly comprises a second circuit board, a third circuit board, and a battery pack sandwiched between the second circuit board and the third circuit board, the second circuit board and the third circuit board being electrically connected to the battery pack, respectively;

10. The flashlight of claim 9, wherein the power assembly further comprises a fourth circuit board electrically connected to the battery pack, the fourth circuit board having a switch thereon; the cylinder body is provided with a key, and the key is abutted with the switch.