CN109668064B

CN109668064B - Electric torch

Info

Publication number: CN109668064B
Application number: CN201710951293.5A
Authority: CN
Inventors: 周明杰; 刘少林
Original assignee: Oceans King Lighting Science and Technology Co Ltd; Oceans King Dongguan Lighting Technology Co Ltd; Shenzhen Oceans King Lighting Engineering Co Ltd
Current assignee: Oceans King Lighting Science and Technology Co Ltd; Oceans King Dongguan Lighting Technology Co Ltd; Shenzhen Oceans King Lighting Engineering Co Ltd
Priority date: 2017-10-13
Filing date: 2017-10-13
Publication date: 2020-08-07
Anticipated expiration: 2037-10-13
Also published as: CN109668064A

Abstract

The invention provides a flashlight, which belongs to the field of lighting tools and comprises a lamp barrel assembly, a lighting assembly connected with the front end of the lamp barrel assembly, a telescopic ring sleeved on the peripheries of the lamp barrel assembly and the lighting assembly and a lamp holder assembly connected with the front end of the telescopic ring, wherein a first damping ring used for being abutted against the inner wall of the telescopic ring is arranged on the periphery of the lighting assembly, a second damping ring used for being abutted against the inner wall of the telescopic ring is arranged on the periphery of the lamp barrel assembly, a ventilation groove used for communicating the inner cavity of the telescopic ring with outside air is arranged on the inner wall of the telescopic ring, and the opening direction of the ventilation groove faces towards the inside of the telescopic ring. The flashlight provided by the invention can enable the air pressure inside the telescopic ring to be consistent with the air pressure of the outside air during focusing, the telescopic ring does not have the phenomenon of blocking or rebounding in the telescopic process, the focusing can be carried out by one-hand operation, the operation is simple, the electrodeless telescopic focusing function can be realized, the adjusting range is more flexible, and the focusing effect is better.

Description

Electric torch

Technical Field

The invention belongs to the technical field of lighting tools, and particularly relates to a flashlight.

Background

The flashlight is a hand-held type lighting fixture, has obtained extensive application in night work occasion, in order to better adapt to the needs of night illumination, has some flashlights to possess the focusing function to make the flashlight have spotlight and floodlight function, realize the illumination of different scopes. The conventional focusing flashlight generally needs two hands to perform focusing operation, is not simple and convenient to operate, generally has a minimum adjusting unit in the focusing process, cannot achieve the effect of electrodeless focusing, and further limits the convenience of the focusing operation of the flashlight.

Disclosure of Invention

The invention aims to provide a flashlight, and the flashlight is used for solving the technical problems that the flashlight is inconvenient in focusing operation and incapable of performing stepless focusing operation in the prior art.

In order to achieve the purpose, the invention adopts the technical scheme that: there is provided a flashlight comprising: the lamp tube assembly comprises a lamp tube assembly, a lighting assembly connected with the front end of the lamp tube assembly, a telescopic ring sleeved on the periphery of the lamp tube assembly and the lighting assembly, and a lamp holder assembly connected with the front end of the telescopic ring, wherein a first damping ring used for being abutted against the inner wall of the telescopic ring is arranged on the periphery of the lighting assembly, a second damping ring used for being abutted against the inner wall of the telescopic ring is arranged on the periphery of the lamp tube assembly, a ventilation groove used for communicating the inner cavity of the telescopic ring with the outside air is arranged on the inner wall of the telescopic ring, and the opening direction of the ventilation groove faces towards the inside of the telescopic ring.

Further, the rear end of the ventilation groove extends to the edge of the rear end of the telescopic ring, and the ventilation groove is provided with a backward opening.

Further, the front end of the ventilation groove extends to the middle of the telescopic ring.

Furthermore, the ventilation groove is a strip-shaped groove, and the length direction of the ventilation groove is parallel to the central axis direction of the telescopic ring.

Furthermore, the periphery of the telescopic ring is provided with a plurality of heat dissipation ribs.

Furthermore, the heat dissipation ribs are annular heat dissipation ribs, and the plurality of heat dissipation ribs are distributed along the direction of the central axis of the telescopic ring.

Furthermore, the periphery of the telescopic ring and/or the radiating ribs is provided with a plurality of force application grooves distributed around the central axis of the telescopic ring.

Further, lighting components includes heat dissipation base, apron and L ED lamp pearl, L ED lamp pearl is located the front end of heat dissipation base, the apron cover is located L ED lamp pearl periphery and with the heat dissipation base is connected, the middle part of apron is equipped with the lamp pearl through-hole, the front end of L ED lamp pearl stretches out forward the lamp pearl through-hole, the rear end of heat dissipation base with the front end of a lamp section of thick bamboo subassembly is connected.

Further, the heat dissipation base comprises a lamp barrel base body and a lamp bead base body arranged on the front side of the lamp barrel base body, wherein a mounting groove is formed in the middle of the lamp barrel base body, a mounting hole communicated with the mounting groove is formed in the middle of the lamp bead base body, a mounting convex ring is arranged on the periphery of the front end of the lamp barrel base body, the first damping ring is sleeved on the periphery of the mounting convex ring, and the height of the lamp bead base body in the front-back direction is not less than 0.5 cm.

Further, a lamp section of thick bamboo subassembly includes a lamp section of thick bamboo, control button, driver, battery and the module of charging, the driver, the battery reaches the module of charging all locates in the lamp section of thick bamboo, the control button runs through the lateral wall of a lamp section of thick bamboo and with the driver is connected, the driver reaches the module of charging respectively with the battery is connected, the front end suit of a lamp section of thick bamboo in the heat dissipation base periphery, L ED lamp pearl with the driver electricity is connected.

The flashlight provided by the invention has the beneficial effects that: compared with the prior art, the flashlight adopts a telescopic focusing structure, the lamp holder assembly is connected with the telescopic ring, the telescopic ring can slide relative to the lamp tube assembly and the lighting assembly along the direction of the central axis of the flashlight under the action of external force, and the lamp holder assembly can be close to or far away from the lighting assembly by pushing and pulling the telescopic ring, so that the purpose of focusing is achieved; first damping ring and second damping ring all are compressed by the expansion ring, play the damping effect, in fact, form a cavity between lamp holder subassembly and the first damping ring, a cavity has been formed between second damping ring and the first damping ring, in the focusing process, ventilative groove can guarantee that the inner chamber of expansion ring communicates with the outside air all the time, two cavities communicate with the outside air all the time promptly, the inside atmospheric pressure of expansion ring is unanimous with outside air atmospheric pressure, the phenomenon of card death or resilience does not appear in the expansion ring in flexible process, the user can just can focus through one-hand operation, and easy operation, and there is not minimum adjustment unit, can realize electrodeless flexible focusing function, the control range is more nimble, the focusing effect is better.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a first schematic diagram illustrating an exploded view of a flashlight according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the telescopic ring of FIG. 1;

FIG. 3 is a front sectional view of a telescopic ring according to an embodiment of the present invention;

FIG. 4 is a cross-sectional side view of a telescoping ring used in an embodiment of the invention;

FIG. 5 is a cross-sectional view of the internal structure of a flashlight according to an embodiment of the present invention;

FIG. 6 is an enlarged view of portion A of FIG. 5;

FIG. 7 is a second schematic diagram illustrating an exploded view of a flashlight of the present invention;

fig. 8 is a schematic view illustrating a use state of the flashlight according to the embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1-lamp tube component, 101-lamp tube, 102-control key, 103-driver, 104-battery, 105-charging module, 1051-press ring, 1052-wireless charging receiving unit, 1053-tail cover, 2-lighting component, 201-heat dissipation base, 2011-lamp tube base, 2012-lamp bead base, 2013-installation groove, 2014-installation hole, 2015-installation convex ring, 202-cover plate, 203-L ED lamp bead, 3-telescopic ring, 4-lamp holder component, 401-head ring, 402-glass plate, 403-lens, 5-first damping ring, 6-second damping ring, 7-ventilation groove, 8-heat dissipation rib, 9-force application groove

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "plurality" or "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 to 4 together, the flashlight of the present invention will now be described. The flashlight comprises a lamp tube assembly 1, an illuminating assembly 2 connected with the front end of the lamp tube assembly 1, a telescopic ring 3 sleeved on the peripheries of the lamp tube assembly 1 and the illuminating assembly 2 and a lamp holder assembly 4 connected with the front end of the telescopic ring 3, a first damping ring 5 used for being abutted against the inner wall of the telescopic ring 3 is arranged on the periphery of the illuminating assembly 2, a second damping ring 6 used for being abutted against the inner wall of the telescopic ring 3 is arranged on the periphery of the lamp tube assembly 1, a ventilation groove 7 used for enabling the inner cavity of the telescopic ring 3 to be communicated with the outside air is formed in the inner wall of the telescopic ring 3, and the opening direction of the ventilation groove 7 faces towards the inside of the telescopic ring 3.

Compared with the prior art, the flashlight provided by the invention adopts a telescopic focusing structure, the lamp holder assembly 4 is connected with the telescopic ring 3, the telescopic ring 3 can slide relative to the lamp tube assembly 1 and the lighting assembly 2 along the direction of the central axis of the flashlight under the action of external force, and the lamp holder assembly 3 can be close to or far away from the lighting assembly 2 by pushing and pulling the telescopic ring 3, so that the purpose of focusing is achieved; first damping ring 5 and second damping ring 6 are all compressed by expansion ring 3, play the damping effect, in fact, form a cavity between lamp holder subassembly 4 and the first damping ring 5, a cavity has been formed between second damping ring 6 and the first damping ring 5, in the focusing process, ventilative groove 7 can guarantee that the inner chamber of expansion ring 3 communicates with the outside air all the time, two cavities communicate with the outside air all the time promptly, the inside atmospheric pressure of expansion ring 3 is unanimous with outside air atmospheric pressure, the phenomenon of card death or resilience does not appear in the expansion ring 3 of flexible in-process, the user can just focus through one-hand operation, moreover, there is not minimum adjustment unit, can realize electrodeless flexible focusing function, the control range is more nimble, the focusing effect is better, be fit for occasions such as patrolling and examining night and use.

Optionally, at least two ventilation slots 7 are arranged and are uniformly arranged around the central axis of the telescopic ring 3.

Optionally, in order to reasonably utilize the space, the ventilation groove 7 is arranged to extend from the rear end of the telescopic ring 3 to the front end of the telescopic ring 3, so as to ensure that the inner cavity of the telescopic ring 3 is always communicated with the outside air within the telescopic stroke range, i.e., the cavity formed between the lamp cap assembly 4 and the first damping ring 5 and the cavity formed between the second damping ring 6 and the first damping ring 5 can be communicated with the outside air.

Further, referring to fig. 1 to 4 together, as an embodiment of the flashlight of the present invention, the rear end of the ventilation groove 7 extends to the edge of the rear end of the telescopic ring 3, and the ventilation groove 7 has a rearward opening. The other opening of the ventilation groove 7 is positioned at the edge of the rear end of the telescopic ring 3, and the opening at the position cannot be shielded at any position in the telescopic stroke range, so that the performance of communicating with the outside air to be achieved can be effectively ensured. In this embodiment, the ventilation groove 7 has two openings in common facing in two directions (rearward and inward of the expansion ring 3), respectively

Further, referring to fig. 3 and 4, as an embodiment of the flashlight of the present invention, the front end of the ventilation groove 7 extends to the middle of the extension ring 3 to ensure the sealing and waterproof performance of the front end of the lamp cylinder assembly 1 and the lamp cap assembly 4.

Further, referring to fig. 3 and 4, in order to limit the travel of the telescopic ring 3, as an embodiment of the flashlight provided by the present invention, a limiting protrusion structure is further disposed at the rear end inside the telescopic ring 3, and the limiting protrusion structure is used for being engaged with the lamp barrel assembly 1 or the lighting assembly 2 to prevent the telescopic ring 3 from being excessively extended. Because the existence of spacing protruding structure for the inner wall of expansion ring 3 presents the step type, ventilative groove 7 sets up on spacing protruding structure's inner wall, and the front end of ventilative groove 7 has a forward opening, and this opening is located spacing protruding structure's preceding terminal surface, makes ventilative groove 7 have the opening of three direction (forward, backward and towards the inboard of expansion ring 3) on spacing protruding structure, guarantees that ventilative whole 7 of groove all communicates with the outside air under any state.

Further, referring to fig. 1 to 4, as an embodiment of the flashlight provided by the present invention, the ventilation groove 7 is a strip-shaped groove, and a length direction of the ventilation groove 7 is parallel to a central axis direction of the telescopic ring 3. The strip-shaped groove occupies small space, can achieve the required effect of keeping the internal and external air pressure consistent, and has simple processing and controllable processing and use cost.

Further, as a specific embodiment of the flashlight provided by the present invention, the width of the air-permeable groove 7 is not more than 2 cm. In order to guarantee that the first damping ring 5, the second damping ring 6 and the inner wall of the telescopic ring 3 are extruded to generate a damping effect, the important effect of the damping effect is that the position between the telescopic ring 3 and the rest lighting assemblies 2 can be automatically fixed after the telescopic ring is stretched, if the width of the ventilation groove 7 is too large, the damping effect can be influenced, and then the function of positioning after the telescopic ring is stretched is influenced.

Further, referring to fig. 1 to 5, 7 and 8, as an embodiment of the flashlight of the present invention, a part of heat of the lighting assembly 2 is transferred to the telescopic ring 3, and in order to enhance the heat dissipation effect of the lighting assembly 2, a plurality of heat dissipation ribs 8 are disposed on the periphery of the telescopic ring 3.

Further, referring to fig. 1 to 5, 7 and 8, as an embodiment of the flashlight of the present invention, the heat dissipation rib 8 is an annular heat dissipation rib, and a plurality of heat dissipation ribs 8 are distributed along the central axis direction of the telescopic ring 3. An airflow channel is formed between the adjacent heat dissipation ribs 8, so that the air can be guided, the heat exchange efficiency of the telescopic ring 3 and the air is improved, and the heat dissipation effect is further improved.

Further, referring to fig. 1, fig. 2, fig. 7 and fig. 8, as a specific embodiment of the flashlight of the present invention, in order to facilitate a user to push and pull the expansion ring 3 with one hand, the periphery of the expansion ring 3 and/or the heat dissipation rib 8 is provided with a plurality of force application grooves 9 distributed around the central axis of the expansion ring 3. The inner wall of the force application groove 9 is curved, so that a user can apply force conveniently, and the hand feeling is good.

Further, referring to fig. 5 and 6, as a specific embodiment of the flashlight provided by the present invention, the lighting assembly 2 includes a heat dissipation base 201, a cover plate 202 and L ED beads 203, wherein the L ED beads 203 are disposed at the front end of the heat dissipation base 201, the cover plate 202 is sleeved on the periphery of the L ED beads 203 and is connected to the heat dissipation base 201, bead through holes are disposed in the middle of the cover plate 202, the front end of the L ED beads 203 extends forward out of the bead through holes, the rear end of the heat dissipation base 201 is connected to the front end of the lamp tube assembly 1, the cover plate 202 and the heat dissipation base 201 cooperate to clamp and fix the L ED beads 203, so as to simplify the mounting structure of the L ED beads 203 and improve the mounting efficiency.

Further, referring to fig. 5 and fig. 6, as a specific embodiment of the flashlight provided by the present invention, the heat dissipation base 201 includes a lamp barrel base 2011 and a lamp bead base 2012 disposed at the front side of the lamp barrel base 2011, the middle of the lamp barrel base 2011 is provided with a mounting groove 2013, the middle of the lamp bead base 2012 is provided with a mounting hole 2014 communicated with the mounting groove 2013, the outer periphery of the front end of the lamp barrel base 2011 is provided with a mounting convex ring 2015, the first damping ring 5 is sleeved on the outer periphery of the mounting convex ring 2015, the height of the lamp bead base 2012 in the front-back direction is not less than 0.5 cm. to fix the heat dissipation base 201 and can accommodate electronic components, the mounting hole 2014 is used for accommodating a wire structure, so as to electrically connect the lamp barrel component 1 and the L ED lamp bead 203, the space setting is reasonable, the structure is compact, and the lighting component 2 occupies a smaller space.

L ED lamp pearl 203 is luminous the heat that produces is absorbed by heat dissipation base 201 fast, later with expansion ring 3 and the air on every side carry out the heat exchange, and then play the radiating effect lamp pearl pedestal 2012 is higher in the front and back direction, can be faster the heat of the L ED lamp pearl 203 production of absorption, improves the radiating efficiency.

Further, referring to fig. 5, as an embodiment of the flashlight of the present invention, the lamp head assembly 4 includes a head ring 401, a glass plate 402 and a lens 403, the glass plate 402 and the lens 403 are both disposed inside the head ring 401, the glass plate 402 is located at the front side of the lens 403, and the head ring 401 is connected to the front end of the telescopic ring 3. The lamp holder assembly 4 has simple and compact integral structure and good light transmission effect, and can effectively realize light condensation and flood illumination by moving the perillas and the telescopic ring 3.

Referring to fig. 8, in the case of spot lighting (reference numeral "(1)"), the extension ring 3 does not extend, and the distance between the lens 403 and the lighting assembly 2 is kept to be the closest; in flood lighting (reference numeral "(2)"), the telescopic ring 3 is pushed forward, so that the lens 403 is away from the lighting assembly 2 until the telescopic ring 3 is no longer pushed after the appropriate degree of flood lighting is achieved

Further, please refer to fig. 5, as a specific embodiment of the flashlight provided by the present invention, the lamp barrel assembly 1 includes a lamp barrel 101, a control button 102, a driver 103, a battery 104 and a charging module 105, the driver 103, the battery 104 and the charging module 105 are all disposed in the lamp barrel 101, the control button 102 penetrates through a sidewall of the lamp barrel 101 and is connected to the driver 103, the driver 103 and the charging module 105 are respectively connected to the battery 104, a front end of the lamp barrel 101 is sleeved on a periphery of the heat dissipation base 201, and L ED lamp beads 203 are electrically connected to the driver 103, the driver 103 can control on and off of the L ED lamp beads 203 by triggering of the control button 102, so that the flashlight is simple to use and reliable in operation, and the charging module 105 is used for connecting an external charging device to charge the battery 104, thereby being more environment.

Further, referring to fig. 7, as an embodiment of the flashlight of the present invention, the charging module 105 is a wireless charging module. Need not to carry out the plug wire again when charging, it is more convenient to charge, and efficiency is higher.

Specifically, the charging module 105 includes a press ring 1051, a wireless charging structure unit 1052, and a tail cap 1053. The wireless charging structure unit 1052 is connected with the battery 104 to realize charging; the tail cover 1053 is positioned at the rear side of the wireless charging structure unit 1052 and connected with the lamp barrel 101; the press ring 1051 is located between the wireless charging structure unit 1052 and the battery 104, and realizes fixation of the wireless charging structure unit 1052. The charging module 105 is simple in overall structure, convenient to use, capable of simplifying the steps of charging operation and capable of improving charging efficiency.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A flashlight is characterized by comprising a lamp cylinder assembly, a lighting assembly connected with the front end of the lamp cylinder assembly, a telescopic ring sleeved on the peripheries of the lamp cylinder assembly and the lighting assembly, and a lamp holder assembly connected with the front end of the telescopic ring, wherein a first damping ring used for abutting against the inner wall of the telescopic ring is arranged on the periphery of the lighting assembly, a second damping ring used for abutting against the inner wall of the telescopic ring is arranged on the periphery of the lamp cylinder assembly, a ventilation groove used for communicating the inner cavity of the telescopic ring with the outside air is arranged on the inner wall of the telescopic ring, the opening direction of the ventilation groove faces towards the inside of the telescopic ring, the lighting assembly comprises a heat dissipation base, a cover plate and L lamp beads, L ED lamp beads are arranged at the front end of the heat dissipation base, the cover plate is sleeved on the periphery of L ED lamp beads and connected with the heat dissipation base, lamp bead through holes are arranged in the middle of the cover plate, the front end of the L ED lamp beads extend forwards out of the through holes, the rear end of the heat dissipation base is connected with the front end of the lamp cylinder assembly, the heat dissipation base comprises a lamp cylinder sleeve arranged on the front side of the lamp holder body and a lamp holder, the front end of the lamp holder, the lamp holder is provided with a mounting groove, the mounting groove is not higher than 0.5cm of the mounting groove arranged in the front end of the lamp holder, and the lamp.

2. The flashlight of claim 1, wherein: the rear end of the ventilation groove extends to the edge of the rear end of the telescopic ring, and the ventilation groove is provided with a backward opening.

3. The flashlight of claim 2, wherein: the front end of the ventilation groove extends to the middle part of the telescopic ring.

4. The flashlight of any one of claims 1-3, wherein: the ventilating groove is a strip-shaped groove, and the length direction of the ventilating groove is parallel to the direction of the middle shaft of the telescopic ring.

5. The flashlight of claim 1, wherein: the periphery of the telescopic ring is provided with a plurality of heat dissipation ribs.

6. The flashlight of claim 5, wherein: the heat dissipation ribs are annular heat dissipation ribs, and the heat dissipation ribs are distributed along the direction of the center shaft of the telescopic ring.

7. The flashlight of claim 6, wherein: the periphery of the telescopic ring and/or the radiating ribs is provided with a plurality of force application grooves distributed around the middle shaft of the telescopic ring.

8. The flashlight of claim 1, wherein the light cylinder assembly comprises a light cylinder, a control button, a driver, a battery and a charging module, the driver, the battery and the charging module are all arranged in the light cylinder, the control button penetrates through the side wall of the light cylinder and is connected with the driver, the driver and the charging module are respectively connected with the battery, the front end of the light cylinder is sleeved on the periphery of the heat dissipation base, and the L ED lamp bead is electrically connected with the driver.