CN116336441A

CN116336441A - Lamp cap and quick-mounting flashlight

Info

Publication number: CN116336441A
Application number: CN202310363018.7A
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: 2023-06-27

Abstract

The embodiment of the application belongs to the technical field of illumination, and relates to a lamp cap, which comprises a shell, an upper cover and a light-emitting component; the shell is internally provided with a first accommodating cavity penetrating through two opposite side surfaces of the shell, and the inner wall of the first accommodating cavity is provided with a reflecting layer; the upper cover comprises a cover body and a lens, the lens is integrally formed on the cover body, the cover body is covered on the shell, and the lens completely covers the light emitting side of the first accommodating cavity; the light-emitting component is arranged on the shell and is positioned on the light-entering side of the first accommodating cavity, the light-emitting component emits light into the first accommodating cavity, and the reflecting layer reflects and gathers the light and emits light through the lens. The application also relates to a quick-assembly flashlight. The technical scheme that this application provided can simplify the lamp holder structure, improves the installation effectiveness of flashlight.

Description

Lamp cap and quick-mounting flashlight

Technical Field

The present application relates to the field of lighting technology, and more particularly, to a lamp cap and a quick-mounting 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 existing flashlight has a complex lamp cap structure and poor sealing performance, and the lamp cap part and the barrel part of the flashlight are complex to install.

Disclosure of Invention

The technical problem to be solved by the embodiment of the application is that a lamp cap of a flashlight in the prior art is complex in structure and poor in sealing performance.

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

a lamp cap comprises a shell, an upper cover and a light-emitting component;

a first accommodating cavity penetrating through two opposite side surfaces of the shell is formed in the shell, and a reflecting layer is arranged on the inner wall of the first accommodating cavity;

the upper cover comprises a cover body and a lens, the cover body is covered on the shell, the lens is integrally formed on the cover body, and the lens completely covers the light emitting side of the first accommodating cavity;

the light-emitting component is arranged on the shell and is positioned on the light inlet side of the first accommodating cavity, the light-emitting component emits light rays into the first accommodating cavity, and the reflecting layer reflects and gathers the light rays and emits light through the lens.

Further, the housing further comprises a second accommodating cavity, the second accommodating cavity is located on the light incident side of the first accommodating cavity and is communicated with the first accommodating cavity, and the light emitting assembly is arranged in the second accommodating cavity.

Further, the light emitting assembly comprises a first circuit board and at least one light emitting piece;

the first circuit board is arranged on the shell and completely covers the light inlet side of the first accommodating cavity;

the luminous piece is arranged on the first circuit board and faces the first accommodating cavity, and the luminous piece is electrically connected with the first circuit board.

Further, the lamp holder further comprises a mounting plate, the mounting plate is arranged on the shell through a fixing piece, and the first circuit board is clamped between the mounting plate and the shell.

Further, the first circuit board is further provided with at least one quick connector, the mounting plate is provided with at least one guide hole corresponding to the position of the quick connector, and the first circuit board is connected with the mounting plate in a matched manner through the quick connector and the guide hole.

Further, the first accommodating cavity comprises a first opening positioned at the light incident side and a second opening positioned at the light emergent side;

the inner diameter of the first opening is smaller than that of the second opening, and the longitudinal section of the first accommodating cavity is bowl-shaped;

the lens completely covers the second opening.

Further, the cover body is made of a metal material or a heat dissipation material.

Further, a plurality of cooling fins are uniformly distributed on the outer wall of the shell.

Further, the lamp cap further comprises a sealing element, and the sealing element is arranged on the shell.

In order to solve the technical problems, the embodiment of the application also provides a quick-assembly flashlight, which adopts the following technical scheme:

comprises a cylinder body, a power supply assembly and a lamp cap as described above;

the cylinder body is at least partially sleeved in a second accommodating cavity of the lamp cap;

the power supply assembly is arranged in the cylinder body, and is electrically connected with the light-emitting assembly of the lamp cap.

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

the lamp holder that this application provided through lens and lid integrated into one piece's upper cover structural design to and with the upper cover through the mounting means of cover on the casing, can improve the waterproof sealing performance of lamp holder light-emitting side, in addition, through the design at the inner wall formation reflector layer in first holding the chamber, reduced the part quantity of lamp holder, simplified lamp holder structure, reduce cost, and improve the optical property of lamp holder.

The fast-assembling flashlight that this application provided holds cooperation between chamber and the stack shell through the second to realize the quick installation on lamp holder and the stack shell structure and luminous subassembly and the stable electricity of power supply module and be connected.

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 lamp cap according to an embodiment of the present application;

FIG. 2 is a cross-sectional view of a lamp head according to an embodiment of the present application;

FIG. 3 is a schematic diagram of a quick-fit flashlight according to an embodiment of the present application;

FIG. 4 is a cross-sectional view of a quick-fit flashlight of an embodiment of the present application;

FIG. 5 is an enlarged schematic view of the structure at A of FIG. 4;

fig. 6 is an exploded view of a quick-fit flashlight of an embodiment of the present application.

Reference numerals:

1. a lamp base; 11. a housing; 111. a first accommodation chamber; 112. a reflective layer; 113. a heat sink; 114. a second accommodation chamber; 12. an upper cover; 121. a cover body; 122. a lens; 13. a light emitting assembly; 131. a first circuit board; 132. a light emitting member; 133. a quick connector; 14. a seal; 15. a mounting plate; 151. a guide hole; 2. a barrel body; 3. a power supply assembly; 31. a bracket; 32. a power pack; 33. a second circuit board; 34. quick-connection seat; 35. a third circuit board; 4. a tail cover; 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 lamp head of the present application

Referring to fig. 1 and 2, the present application provides a lamp cap, which includes a housing 11, an upper cover 12, and a light emitting assembly 13.

The housing 11 is provided with a first accommodating cavity 111 penetrating through two opposite sides thereof, and the inner wall of the first accommodating cavity 111 is provided with a reflecting layer 112.

The upper cover 12 includes a cover body 121 and a lens 122, the lens 122 is integrally formed on the cover body 121, the cover body 12 is covered on the housing 11, and the lens 122 completely covers the light-emitting side of the first accommodating cavity 111.

The light emitting component 13 is mounted on the housing 11 and is located at the light incident side of the first accommodating cavity 111, and when in operation, the light emitting component 13 emits light into the first accommodating cavity 111, and the reflective layer 112 reflects and gathers the light and emits the light through the lens 122.

According to the lamp cap provided by the embodiment of the application, the reflecting layer 112 is directly formed on the inner wall of the first accommodating cavity 111, so that the structure of the lamp cap 1 is simplified, stable optical performance of the lamp cap can be maintained, and the production cost is reduced; through the design that lens 122 integrated into one piece is in upper cover 12, further reduce the quantity of part, and improve upper cover 12's waterproof performance, simplified upper cover 12's installation step, improved lamp holder 1's packaging efficiency.

Referring to fig. 1, in some embodiments, a through hole is formed in the center of the cover 121, the lens 122 is integrally formed in the through hole of the cover 121 by injection molding, and the cover 121 and the lens 122 are combined to form a seamless structure, so as to improve the sealing and waterproof performance of the upper cover 12, simplify the mounting steps of the upper cover 12, and improve the assembly efficiency of the lamp cap 1.

In some embodiments, the first accommodating cavity 111 includes a first opening located at the light incident side and a second opening located at the light emergent side, the inner diameter of the first opening is smaller than the inner diameter of the second opening, so as to form a first accommodating cavity 111 with a bowl-shaped or horn-shaped section, the reflective layer 112 is formed on the inner wall of the first accommodating cavity 111 in a film plating manner, and by designing the first accommodating cavity 111 in a bowl-shaped or horn-shaped manner, light entering the first accommodating cavity 111 through the first opening can exit from the second opening after multiple reflection and gathering, so that the optical performance of the lamp cap 1 is improved, and by setting the reflective layer 112 directly formed on the inner wall of the first accommodating cavity 111, the number of parts of the lamp cap 1 is reduced, and the structure of the lamp cap 1 is simplified.

In some embodiments, the housing 11 is made of a metal material or a heat dissipation material, in this embodiment, aluminum is preferred, and a plurality of heat dissipation fins 113 are uniformly distributed on the outer wall of the housing 11, so that heat generated after the reflection layer 112 reflects and gathers light can be quickly dissipated through the housing 11 and the heat dissipation fins 113, thereby improving the temperature resistance and heat dissipation of the lamp cap 1, and since the lamp cap 1 is made of a metal material, the lamp cap 1 has good deformation resistance and impact resistance, and the service life of the lamp cap 1 is prolonged.

Referring to fig. 2, the inner diameter of the cover 121 is the same as the outer diameter of one end of the light-emitting side of the housing 11, so as to reduce the gap between the cover 121 and the housing 11 and improve the sealing waterproof performance of the light-emitting side of the lamp cap 1 when the cover 121 is covered on the light-emitting side of the housing 11, in this embodiment, the inner wall of the cover 121 is provided with an internal thread, the outer wall of the housing 11 near the light-emitting side is provided with an external thread, the upper cover 12 is mounted on the light-emitting side of the housing 11 through threaded engagement, and the lens 122 completely covers the second opening of the first accommodating cavity 111, so as to improve the sealing waterproof performance of the light-emitting side of the lamp cap 1.

In some embodiments, the lamp cap further includes a sealing member 14, the sealing member 14 is mounted on the housing 11, in this embodiment, the sealing member 14 is a sealing ring, an annular groove is further concavely formed in an outer wall of the housing 11, the sealing ring 14 is sleeved in the annular groove, when the upper cover 12 is mounted on the light-emitting side of the housing 1, the sealing ring is located between an inner wall of the cover 121 and an outer wall of the housing 11, and sealing waterproof performance of the light-emitting side of the lamp cap 1 is further improved by extruding the sealing ring, in other embodiments, the sealing ring may also be disposed between the lens 122 and the housing 11, and when the upper cover 12 is mounted on the light-emitting side of the housing 1, the sealing ring is extruded by the lens 122 and the housing 11 to further improve sealing waterproof performance of the light-emitting side of the lamp cap 1.

Referring to fig. 2 again, the housing 11 further includes a second accommodating cavity 114, the second accommodating cavity 114 is located on the light incident side of the first accommodating cavity 111 and is in communication with the first accommodating cavity 111, in this embodiment, the second accommodating cavity 114 is in communication with the first accommodating cavity 111 through a first opening, the inner diameter of the second accommodating cavity 114 is larger than the inner diameter of the first opening, and the light emitting component 13 is disposed in the second accommodating cavity 114.

The light emitting assembly 13 includes a first circuit board 131 and a light emitting member 132.

The first circuit board 131 is mounted on the housing 11 and completely covers the light incident side of the first accommodating cavity 111, at least one light emitting element 132 is mounted on the first circuit board 131 facing the first accommodating cavity 111, the light emitting element 132 is electrically connected with the first circuit board 131, and the first circuit board 131 completely covers the light incident side of the first accommodating cavity 111 to ensure that light emitted by the light emitting element 132 completely enters the first accommodating cavity 111, thereby improving the optical performance of the lamp cap 1.

In some embodiments, the first circuit board 131 is installed in the second accommodating cavity 114 and is fixedly disposed on the inner wall of the second accommodating cavity 114 through a fixing member, the first circuit board 131 completely covers the first opening of the first accommodating cavity 111, the number of the light emitting members 132 is 1, the light emitting members 132 are LED lamp beads, and the LED lamp beads are installed in the center of the first circuit board 131 and are located in the first accommodating cavity 111.

In some embodiments, the lamp cap 1 further includes a mounting plate 15, the mounting plate 15 is mounted on the housing 11 through a fixing member, and the first circuit board 131 is clamped between the mounting plate 15 and the housing 11. In this embodiment, the fixing bolt sequentially passes through the mounting plate 15 and the first circuit board 131, and then is connected to the inner wall of the second accommodating cavity 114, the mounting plate 15 is mounted in the second accommodating cavity 114 through the fixing bolt, and the first circuit board 131 is fixed between the mounting plate 15 and the housing 11.

The first circuit board 131 is further provided with a quick connector 133, the mounting plate 15 is provided with at least one guide hole 151 corresponding to the quick connector 133, and the first circuit board 131 and the mounting plate 15 are connected in a matched manner through the quick connector 133 and the guide hole 151. In some embodiments, the quick connector 133 is a T-shaped connection pin, and the quick connector 133 is mounted on the first circuit board 131 from the direction of the first accommodating cavity 111 and extends toward the direction of the second accommodating cavity 114 after passing through the first circuit board 131. In this embodiment, the mounting board 15 is further provided with a positioning slot, and a positioning column is further disposed on a side of the first circuit board 131 close to the mounting board 15, and the positioning column is matched with the positioning slot, so as to prevent the first circuit board 131 from being offset, which results in accurate plugging of the circuit when the flashlight is assembled.

Embodiments of the instant application quick-fit flashlight

Referring to fig. 3 and 4, the present application provides a quick-assembled flashlight, which includes: a barrel 2, a power supply assembly 3 and a cap 1 as described above.

The barrel 2 is at least partially sleeved in the second accommodating cavity 114 of the lamp cap 1, the power supply assembly 3 is installed in the barrel 2, the power supply assembly 3 is electrically connected with the light emitting assembly 13 of the lamp cap 1, in this embodiment, a quick connection seat 34 is further arranged on one side, close to the lamp cap, of the power supply assembly 3, and through the cooperation of the 12 quick connection piece 133 and the quick connection seat 34, the quick connection between the power supply assembly 3 and the light emitting assembly 13 is realized.

The fast-assembling flashlight that this application provided is through the cooperation between second accommodation chamber 114 and the stack shell 2, between quick connector 133 and the quick connector 34 to realize the structural quick installation of lamp holder 1 and stack shell 2 and the stable electricity of luminous subassembly 13 and power supply module 3 and be connected.

Referring to fig. 3, in some embodiments, the outer wall of the barrel 2 is provided with uniform anti-skid patterns to improve friction.

Referring to fig. 4, in some embodiments, the outer diameter of the barrel 2 is the same as the inner diameter of the second accommodating cavity 114, the barrel 2 is sleeved in the second accommodating cavity 114 in an interference fit manner, in other embodiments, a connection structure may be further disposed on an inner wall of the second accommodating cavity 114, and the barrel 2 is at least partially sleeved in the second accommodating cavity 114 and is fixed to the barrel 2 by the connection structure, where the connection structure may be a fastener or a threaded connection.

Referring to fig. 4 to 6, in some embodiments, the power supply assembly 3 includes a bracket 31, a power pack 32, and a second circuit board 33.

The support 31 is provided with a mounting groove, the power pack 32 is mounted in the mounting groove, the second circuit board 33 is mounted on one side of the support 31 close to the lamp cap 1, the power pack 32 is electrically connected with the second circuit board 33, in this embodiment, the power pack is a battery pack formed by a plurality of batteries, the batteries can be disposable dry batteries or rechargeable dry batteries, and in other embodiments, the power pack can be a lithium battery module.

In some embodiments, the power supply assembly 3 is further provided with a quick socket 34, the quick socket 34 is mounted on a side of the second circuit board 33 facing the lamp cap 1, the quick socket 34 is electrically connected with the second circuit board 33, in this embodiment, the quick socket 34 includes two spring plates arranged in mirror images, in an initial state, the two spring plates are close to each other under elastic action, when the barrel 2 is sleeved in the second accommodating cavity 114, the quick connector 133 of the light emitting assembly 13 is inserted between the two spring plates, and the two spring plates are tightly attached to the surface of the quick connector 133 under elastic action, so as to realize stable electrical connection between the light emitting assembly 13 and the power supply assembly 3.

The embodiment of the application adopts a mode of grafting between the quick connector 133 and the quick connector 34, and makes the quick connector 34 and the quick connector 133 keep stable surface contact all the time through elastic action to realize stable electric connection between the luminous component 13 and the power supply component 3, and adopts a grafting mode of the quick connector 133 and the quick connector 34, so that the quick connector is convenient to assemble and disassemble, and the assembly efficiency of the quick-mounted flashlight is improved.

Referring to fig. 3, 4 and 6, the quick-assembly flashlight further includes a tail cap 4 and a connecting piece 5, the connecting piece 5 is sleeved on the tail cap 4, and the tail cap 4 is fixed at one end of the barrel 2 far away from the lamp cap 1 through the connecting piece 5.

In some embodiments, the inner wall of the connecting piece 5 near one end of the barrel 2 is provided with threads, and the connecting piece is at least partially in threaded connection with one end of the barrel 2 far from the lamp cap 1; the connecting piece 5 is kept away from barrel 2 one end and is formed spacing step, and barrel 2 one end is kept away from to tail-hood 4 forms the boss, and when the lamp holder one end was kept away from to the barrel was kept away from to the connecting piece 5 with tail-hood 4, through spacing step and boss's cooperation, restriction tail-hood 4 was removed along the axis direction to realize tail-hood 4 and barrel 5's fixed, and avoid the local stress concentration problem when tail-hood 4 is connected, improve tail-hood 4's life and simplify tail-hood 4's mounting means, in order to realize the modularization fast assembly of flashlight, save time cost.

In some embodiments, the tail cap 4 is provided with a charging assembly, and the charging assembly is electrically connected with the power supply assembly 3 and is used for charging the power pack 32 of the power supply assembly 3 so as to improve the endurance of the flashlight.

Referring to fig. 4, in the present embodiment, the power supply assembly 3 further includes a third circuit board 35, the third circuit board 35 is disposed on a side of the bracket 31 near the tail cover 4, the third circuit board 35 is electrically connected to the power pack 32, and at least one slot is disposed on the third circuit board 35.

The charging assembly comprises a charging circuit board, a contact pin is arranged on the charging circuit board, when the tail cover 4 is arranged on the barrel body 2, the contact pin is vertically inserted into the slot, the third circuit board is electrically connected with the charging circuit board, the connection procedure of an internal circuit of the flashlight is simplified, and the stability of the electrical connection between the charging assembly and the power supply assembly 3 is improved.

In some embodiments, the tail cover 4 is further provided with a protruding buckle, the third circuit board 35 is provided with a clamping groove, and the protruding buckle is matched with the clamping groove, so that the fixing stability between the tail cover and the third circuit board is improved, and the electric connection stability of the charging assembly and the power supply assembly is improved.

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 lamp cap is characterized by comprising a shell, an upper cover and a light-emitting component;

the upper cover comprises a cover body and a lens, the lens is integrally formed on the cover body, the cover body covers the shell, and the lens completely covers the light emitting side of the first accommodating cavity;

2. The lamp head of claim 1, wherein the housing further comprises a second receiving cavity positioned on the light entry side of the first receiving cavity and in communication with the first receiving cavity, the light emitting assembly being disposed within the second receiving cavity.

3. A lamp cap as claimed in claim 1 or 2, wherein the lighting assembly comprises a first circuit board and at least one lighting element;

4. A lamp cap as claimed in claim 3, further comprising a mounting plate mounted to the housing by a fixing, the first circuit board being clamped between the mounting plate and the housing.

5. The lamp head of claim 4 wherein the first circuit board is further provided with at least one quick connector, the mounting plate is provided with at least one guide hole corresponding to the quick connector, and the first circuit board and the mounting plate are connected in a matched manner through the quick connector and the guide hole.

6. A lamp cap according to claim 1 or 2, wherein the first receiving cavity comprises a first opening at the light entry side and a second opening at the light exit side;

the lens completely covers the second opening.

7. A lamp cap as claimed in claim 1 or 2, characterized in that the cover body is made of a metallic material or a heat-dissipating material.

8. The lamp head as claimed in claim 7, wherein the outer wall of the housing is uniformly provided with a plurality of heat radiating fins.

9. A lamp cap as claimed in claim 1 or 2, characterized in that the lamp cap further comprises a seal, which seal is mounted on the housing.

10. A quick-fit flashlight, comprising a barrel, a power supply assembly and a lamp cap as claimed in any one of claims 1 to 9;