阅读说明：本技术 一种散热手电筒 (Heat dissipation flashlight ) 是由 杨东武 周子洋 于 2021-08-20 设计创作，主要内容包括：本发明实施例涉及照明装置领域,公开了一种散热手电筒。本发明中包括外壳套筒,外壳套筒的内部设有光照组件与电源,外壳套筒远离光照组件的一端的侧壁表面设有连接槽,光照组件包括光源、铜基板与安装套件；封盖,封盖扣合设置于开口以将开口封闭,连接槽内可拆卸地嵌设有连接卡扣,封盖与连接卡扣连接；散热风扇,散热风扇设于风扇腔内,且朝向铜基板设置。本发明实施例提供的散热手电筒,可以解决现有的手电筒发生摔碰时,容易将外壳后端连接的封盖摔开,从而导致外壳内的电器元件从外壳内脱落,造成损坏,且手电筒的散热性能较差的问题。(The embodiment of the invention relates to the field of lighting devices, and discloses a heat-dissipation flashlight. The illumination device comprises a shell sleeve, wherein an illumination assembly and a power supply are arranged in the shell sleeve, a connecting groove is formed in the surface of the side wall of one end, far away from the illumination assembly, of the shell sleeve, and the illumination assembly comprises a light source, a copper substrate and an installation kit; the sealing cover is buckled and arranged on the opening to seal the opening, a connecting buckle is detachably embedded in the connecting groove, and the sealing cover is connected with the connecting buckle; and the heat radiation fan is arranged in the fan cavity and faces the copper substrate. The heat dissipation flashlight provided by the embodiment of the invention can solve the problems that when the existing flashlight is knocked down, the sealing cover connected with the rear end of the shell is easy to fall off, so that electrical elements in the shell fall off from the shell, the damage is caused, and the heat dissipation performance of the flashlight is poor.)

1. A heat-dissipating flashlight, comprising:

the fan comprises a shell sleeve, wherein a lighting assembly and a power supply are arranged inside the shell sleeve, the lighting assembly is connected with the power supply, an opening communicated with the outside is formed in one end, away from the lighting assembly, of the shell sleeve, so that a fan cavity is formed inside the opening, a connecting groove is formed in the surface of the side wall of one end, away from the lighting assembly, of the shell sleeve, the lighting assembly comprises a light source, a copper substrate and an installation kit, the light source is fixedly connected with the copper substrate, the copper substrate faces the power supply, the installation kit is fixedly connected with the copper substrate, and the installation kit is fixedly connected with the inner wall of the shell sleeve;

the sealing cover is buckled and arranged on the opening to seal the opening, a connecting buckle is detachably embedded in the connecting groove, and the sealing cover is connected with the connecting buckle;

and the heat radiation fan is arranged in the fan cavity and faces the copper substrate.

2. The heat dissipating flashlight of claim 1, wherein a ferrule is disposed between the light source and the copper base plate such that both the light source and the copper base plate are disposed within the ferrule.

3. The heat-dissipating flashlight of claim 1, wherein heat-dissipating holes are formed in the surface of the housing sleeve, and the heat-dissipating holes are formed in the outer surface of the housing sleeve at positions corresponding to the copper substrate.

4. The heat dissipating flashlight of claim 1, wherein the power source is a cylindrical battery, a heat dissipating gap is provided between the power source and the housing sleeve, and a heat dissipating sleeve is provided on an outer surface of the power source and is disposed on an outer surface of the power source.

5. The heat dissipating flashlight of claim 1, wherein the mounting assembly is provided with a plurality of vent holes having an axis disposed parallel to an axis of the housing sleeve.

6. The heat-dissipating flashlight of claim 1, wherein the side wall surface of the outer case sleeve is provided with an anti-falling boss, the connecting groove is provided on the surface of the anti-falling boss, sliding grooves are provided on inner walls of two sides of the connecting groove, the sliding grooves extend in a direction parallel to the axis of the outer case sleeve, sliding plates are provided on two sides of the connecting buckle, the sliding plates are movably connected to the sliding grooves, a clamping groove is provided on a bottom surface of the connecting groove away from the sealing cover, and a clamping plate is provided at a corresponding position of the connecting buckle, so that the clamping plate is detachably fastened to the clamping groove when the connecting buckle slides to a bottom end along the connecting groove.

7. The heat-dissipating flashlight of claim 6, wherein the housing sleeve has an annular mounting groove formed at a periphery thereof, a plurality of cushion rings are disposed in the annular mounting groove, the plurality of cushion rings are spaced apart from each other along an axis of the housing sleeve, and the cushion rings are made of rubber.

8. The heat dissipating flashlight of claim 7, wherein the cover is rotatably coupled to the coupling clip such that the cover rotates relative to the housing sleeve when the coupling clip is received in the coupling slot, the axis of rotation of the cover being disposed perpendicular to the axis of the housing sleeve.

9. The heat-dissipating flashlight of claim 1, wherein a surface of the connecting buckle facing away from the housing sleeve is provided with a cord hanging portion, the cord hanging portion is provided with a cord hanging hole, and an axis of the cord hanging hole is perpendicular to an axis of the housing sleeve.

10. The heat dissipating flashlight of claim 1, wherein the plurality of connecting slots are spaced around the outer surface of the housing sleeve, and a plurality of connecting clips are correspondingly disposed such that each connecting clip is embedded in each connecting slot, and each connecting clip is connected to the periphery of the cover.

Technical Field

The invention relates to the field of lighting devices, in particular to a heat-dissipation flashlight.

Background

The present strong light flashlight with light emitting diode as light source has the advantages of saving power, durability and strong brightness, and the present strong light flashlight with light emitting diode as light source has been brought into our life continuously, and along with the appearance of the developed LED flashlight with high power of 1W and 3W of the present single lamp, the flashlight selection of people is enriched continuously.

Present flashlight is generally provided with rechargeable battery in the barrel for lighting element supplies power, and generally can set up the USB interface in the rear end of barrel, be used for charging for rechargeable battery, the rear end of barrel still generally can set up the closing cap, be used for hiding the USB interface, the mode of sealing is mostly the screw thread and closes soon or direct lock, in the use, take place to fall to bump like the flashlight, fall open the closing cap of shell internal connection easily, thereby lead to the electrical components in the shell to drop from the shell, cause the damage. Meanwhile, the heat dissipation problem of the LED flashlight is also a key problem, and the light efficiency and the service life of the LED light source are seriously influenced by the heat dissipation problem. The traditional LED flashlight has low heat dissipation efficiency, so that the temperature of an LED light source is overhigh, the lighting effect and the service life of an LED are influenced, and the LED light source is usually adopted as a bulb and a lithium battery or an alkaline dry battery is used for driving the LED light source to illuminate in the existing flashlight on the market. These flashlights are typically low powered and low intensity. If a high-power light source and a battery are used for obtaining high-brightness light, high temperature is generated after the flashlight is used for a long time, and the flashlight body is easy to scald hands.

The inventor finds that at least the following problems exist in the prior art: when the existing flashlight is knocked, the sealing cover connected with the rear end of the shell is easily broken, so that electrical elements in the shell fall off from the shell, damage is caused, and the heat dissipation performance of the flashlight is poor.

Disclosure of Invention

The invention aims to provide a heat-dissipation flashlight, which can solve the problems that when the existing flashlight is knocked down, a sealing cover connected with the rear end of a shell is easy to fall off, so that electrical components in the shell fall off from the shell, damage is caused, and the heat dissipation performance of the flashlight is poor.

In order to solve the technical problem, an embodiment of the invention provides a heat-dissipation flashlight, which comprises a shell sleeve, wherein an illumination assembly and a power supply are arranged inside the shell sleeve, the illumination assembly is connected with the power supply, an opening communicated with the outside is formed in one end, away from the illumination assembly, of the shell sleeve, so that a fan cavity is formed inside the opening, a connecting groove is formed in the side wall surface of one end, away from the illumination assembly, of the shell sleeve, the illumination assembly comprises a light source, a copper substrate and an installation kit, the light source is fixedly connected with the copper substrate, the copper substrate faces the power supply, the installation kit is fixedly connected with the copper substrate, and the installation kit is fixedly connected with the inner wall of the shell sleeve; the sealing cover is buckled and arranged on the opening to seal the opening, a connecting buckle is detachably embedded in the connecting groove, and the sealing cover is connected with the connecting buckle; and the heat radiation fan is arranged in the fan cavity and faces the copper substrate.

In addition, a ferrule is arranged between the light source and the copper substrate, so that the light source and the copper substrate are sleeved inside the ferrule. Be equipped with the lasso through setting up between light source and the copper base plate to make the inside of lasso is all located to light source and copper base plate cover, make light source and copper base plate be fixed in inside the shell sleeve jointly through the lasso, improve the stability of light source and copper base plate.

In addition, the surface of the shell sleeve is provided with heat dissipation holes, and the heat dissipation holes are arranged on the outer surface of the shell sleeve corresponding to the positions of the copper substrates. The heat dissipation holes are formed in the surface of the shell sleeve, the heat dissipation holes are formed in the outer surface of the shell sleeve corresponding to the positions of the copper base plates, so that air flow blown out by the heat dissipation fan can be blown to the positions of the copper base plates from the space between the battery and the shell sleeve, the shell is blown out from the heat dissipation holes, and meanwhile the light source and the battery are cooled.

In addition, the power supply is a cylindrical battery, a heat dissipation gap is formed between the power supply and the casing sleeve, a heat dissipation sleeve is arranged on the outer surface of the power supply, and the heat dissipation sleeve is sleeved on the outer surface of the power supply. The power supply is a cylindrical battery, a heat dissipation gap is formed between the power supply and the shell sleeve, the outer surface of the power supply is provided with a heat dissipation sleeve, and the outer surface of the power supply is sleeved with the heat dissipation sleeve, so that the surface of the power supply battery conducts heat to the air through the heat dissipation sleeve, and the heat dissipation efficiency of the power supply is improved.

In addition, the installation kit is provided with a plurality of ventilation holes, and the axes of the ventilation holes are arranged in parallel to the axis of the shell sleeve. A plurality of vent holes are formed in the installation kit, the axis of each vent hole is parallel to the axis of the sleeve of the shell, and the air quantity of the heat dissipation fan, blown out towards the copper substrate, reaching the surface of the copper substrate is further improved.

In addition, the telescopic lateral wall surface of shell is equipped with prevents falling the boss, and the spread groove is located and is prevented falling the boss surface. Be equipped with through setting up the telescopic lateral wall surface of shell and prevent falling the boss, the spread groove is located and is prevented falling the boss surface for the flashlight is when dropping, plays a shock attenuation effect to the shell sleeve by preventing falling the boss, prevents shell sleeve and ground direct contact, takes place cracked.

In addition, prevent falling the boss and be equipped with the sliding tray towards the both sides inner wall of spread groove, the extending direction of sliding tray and the telescopic axis parallel arrangement of shell, connect the both sides of buckle and all be equipped with the sliding plate, the sliding plate is in the movably connection of sliding tray. Prevent falling the boss through the setting and be equipped with the sliding tray towards the both sides inner wall of spread groove, the extending direction and the telescopic axis parallel arrangement of shell of sliding tray, connect buckle's both sides all are equipped with the sliding plate, the sliding plate is in the movably connection of sliding tray for connect buckle can slide in the spread groove along the sliding tray of preventing falling boss both sides inner wall when being connected with the spread groove, the joint process is more stable.

In addition, the bottom surface of the connecting groove far away from the sealing cover is provided with a clamping groove, and the corresponding position of the connecting buckle is provided with a clamping plate, so that the clamping plate is detachably buckled and connected with the clamping groove when the connecting buckle slides to the bottom end along the connecting groove. Keep away from the bottom surface of closing cap through setting up the spread groove and be equipped with the joint groove, connect buckle's corresponding position department is equipped with the joint board, so that connect buckle slides along the spread groove when to the bottom joint board is connected with joint groove detachably lock, make connect buckle along the spread groove after the spread groove slides in, the joint board can be fixed with joint groove joint, make connect buckle and shell sleeve relatively fixed, simultaneously can be when needs dismantle the closing cap easy with joint board and joint groove separation, accomplish the dismantlement.

In addition, the periphery of the shell sleeve is provided with an annular mounting groove, and a buffer ring is arranged in the annular mounting groove. The annular mounting groove is formed in the periphery of the shell sleeve, and the buffering ring is arranged in the annular mounting groove, so that the buffering ring in the annular mounting groove can buffer the shell sleeve when the flashlight falls, and the shell sleeve is prevented from being directly fallen to the ground to cause damage. Be equipped with the annular mounting groove through setting up the telescopic periphery of shell, be equipped with the buffering circle in the annular mounting groove for the buffering circle in the annular mounting groove can produce cushioning effect to the shell sleeve when dropping, prevents that the shell sleeve from directly dropping on ground and producing the damage.

In addition, annular mounting groove has a plurality ofly, and a plurality of annular mounting grooves set up along the telescopic axis interval of shell. There are a plurality ofly through setting up the annular mounting groove, and a plurality of annular mounting grooves set up along the telescopic axis interval of shell for all be equipped with a buffering circle in a plurality of annular mounting grooves, thereby a plurality of buffering circles are simultaneously to the shock attenuation of buffering of shell sleeve.

In addition, the buffer ring is made of rubber. The buffer ring is made of rubber materials, so that the buffer ring has high elasticity, and the damping capacity of the buffer ring is improved.

In addition, the cover is rotatably connected with the connecting buckle, so that the cover rotates relative to the shell sleeve when the connecting buckle is embedded in the connecting groove, and the rotating axis of the cover is perpendicular to the axis of the shell sleeve. The sealing cover is rotatably connected with the connecting buckle through the arrangement, so that the sealing cover rotates relative to the shell sleeve when the connecting buckle is embedded in the connecting groove, the rotating axis of the sealing cover is perpendicular to the axis of the shell sleeve, the connecting buckle is kept connected with the shell when the sealing cover is opened, and the situation that the sealing cover is placed everywhere after the sealing cover is opened to cause loss can be avoided.

In addition, the connecting buckle is provided with a rope hanging part on the surface deviating from the shell sleeve, the rope hanging part is provided with a rope hanging hole, and the axis of the rope hanging hole is perpendicular to the axis of the shell sleeve. Deviating from the telescopic surface of shell through setting up connection buckle and being equipped with string portion, hanging string portion and being equipped with string hole, the telescopic axis setting of axis perpendicular to shell in string hole to realize writing of flashlight, simultaneously, set up string hole and utilize the rope to connect the back in connection buckle department, can not cause the closing cap to keep away from the external force of shell sleeve direction when carrying the pull rope.

In addition, the spread groove has a plurality ofly, and a plurality of spread grooves encircle the telescopic surface interval setting of shell, and connection buckle corresponds and is equipped with a plurality ofly to make every connection buckle inlay respectively locate in every spread groove, a plurality of connection buckles all are connected with the periphery of closing cap. There are a plurality ofly through setting up the spread groove, a plurality of spread grooves encircle the telescopic surface interval setting of shell, connect buckle corresponds and is equipped with a plurality ofly, so that every connect buckle inlays respectively to locate in every spread groove, a plurality of connect buckle all are connected with the periphery of closing cap, make a plurality of connect buckle play fixed connection effect to the closing cap jointly, encircle a plurality of connect buckle that set up simultaneously and can cover the seam between closing cap and the shell sleeve, improve the waterproof ability of flashlight.

Compared with the prior art, the connecting groove is formed in the tail end of the shell sleeve, the connecting buckle is arranged on the edge of the sealing cover and connected with the connecting buckle, when the sealing cover is installed, the sealing cover can be buckled and installed at the opening of the tail end of the shell sleeve, meanwhile, the connecting buckle is embedded with the connecting groove, the sealing cover is fixed in multiple directions, when the flashlight falls, the sealing cover and the shell sleeve are fixed together through the connecting buckle, the sealing cover is prevented from being separated from the shell sleeve, and therefore components in the shell sleeve are prevented from falling off and being damaged. The heat dissipation fan supplies air towards the copper substrate, so that air flow blown out by the heat dissipation fan can exchange heat with the power supply and the copper substrate, and the heat dissipation efficiency of the power supply and the light source is improved.

Drawings

FIG. 1 is a schematic diagram of a heat dissipating flashlight according to a first embodiment of the present invention;

FIG. 2 is a schematic structural view of a housing sleeve according to a second embodiment of the present invention;

FIG. 3 is a schematic structural view of a housing sleeve according to a second embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of a heat dissipating flashlight according to a second embodiment of the present invention;

FIG. 5 is a schematic view of a heat dissipating flashlight according to a third embodiment of the present invention;

FIG. 6 is a schematic diagram of a heat dissipating flashlight according to a third embodiment of the present invention;

FIG. 7 is a schematic view of a closure according to a third embodiment of the present invention;

fig. 8 is a schematic view of a closure according to a third embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical solutions claimed in the claims of the present application can be implemented without these technical details and with various changes and modifications based on the following embodiments.

The present strong light flashlight with light emitting diode as light source has the advantages of saving power, durability and strong brightness, and the present strong light flashlight with light emitting diode as light source has been brought into our life continuously, and along with the appearance of the developed LED flashlight with high power of 1W and 3W of the present single lamp, the flashlight selection of people is enriched continuously.

Present flashlight is generally provided with rechargeable battery in the barrel for lighting element supplies power, and generally can set up the USB interface in the rear end of barrel, be used for charging for rechargeable battery, the rear end of barrel still generally can set up the closing cap, be used for hiding the USB interface, the mode of sealing is mostly the screw thread and closes soon or direct lock, in the use, take place to fall to bump like the flashlight, fall open the closing cap of shell internal connection easily, thereby lead to the electrical components in the shell to drop from the shell, cause the damage. Meanwhile, the heat dissipation problem of the LED flashlight is also a key problem, and the light efficiency and the service life of the LED light source are seriously influenced by the heat dissipation problem. The traditional LED flashlight has low heat dissipation efficiency, so that the temperature of an LED light source is overhigh, the lighting effect and the service life of an LED are influenced, and the LED light source is usually adopted as a bulb and a lithium battery or an alkaline dry battery is used for driving the LED light source to illuminate in the existing flashlight on the market. These flashlights are typically low powered and low intensity. If a high-power light source and a battery are used for obtaining high-brightness light, high temperature is generated after the flashlight is used for a long time, and the flashlight body is easy to scald hands.

The inventor finds that at least the following problems exist in the prior art: when the existing flashlight is knocked, the sealing cover connected with the rear end of the shell is easily broken, so that electrical elements in the shell fall off from the shell, damage is caused, and the heat dissipation performance of the flashlight is poor.

A first embodiment of the present invention relates to a heat dissipation flashlight, as shown in fig. 1, the heat dissipation flashlight in this embodiment includes a housing sleeve 100, a cover 200 and a heat dissipation fan 300. The inside of shell sleeve 100 is equipped with illumination subassembly 110 and power 120, illumination subassembly 110 is connected with power 120, the one end that shell sleeve 100 keeps away from illumination subassembly 110 is equipped with opening 130 with outside intercommunication, so that the inside of opening 130 forms the fan chamber, the lateral wall surface that shell sleeve 100 kept away from the one end of illumination subassembly 110 is equipped with connecting groove 140, illumination subassembly 110 includes light source 111, copper base plate 112 and installation external member 113, light source 111 and copper base plate 112 fixed connection, and copper base plate 112 sets up towards power 120, installation external member 113 and copper base plate 112 fixed connection, and installation external member 113 and the inner wall fixed connection of shell sleeve 100. The cover 200 is fastened to the opening 130 to close the opening 130, the connecting slot 140 is detachably embedded with the connecting buckle 150, and the cover 200 is connected with the connecting buckle 150. The heat dissipation fan 300 is disposed in the fan cavity and faces the copper substrate 112.

The working principle of the heat dissipation flashlight in this embodiment is that the illumination assembly 110 is disposed at one end inside the housing sleeve 100, the power supply 120 is disposed at the other end, the end inside the housing sleeve 100 close to the power supply 120 is the tail end of the housing sleeve 100, and when the sealing cover 200 is installed to enable the sealing cover 200 to close the opening 130 at the tail end of the housing sleeve 100, the connecting buckle 150 is firstly clamped in the connecting groove 140, so that the connecting buckle 150 is fixed with the connecting groove 140, and meanwhile, the sealing cover 200 is driven to move toward the opening 130 until the sealing cover 200 closes the opening 130. When the interior of the flashlight needs to be cooled, the cooling fan 300 is turned on, so that the cooling fan 300 sends out airflow towards the copper substrate 112 and the power supply 120, and when the airflow blows over the surfaces of the power supply 120 and the copper substrate 112, the heat exchange efficiency of the surfaces of the copper substrate 112 and the power supply 120 can be accelerated, and further, the cooling capacity of the interior of the flashlight is improved.

Wherein, the sealing cover 200 is screwed or directly buckled with the housing sleeve through threads to realize fixed connection. The periphery of the outer surface of the tail end of the housing sleeve 100 is provided with threads, and the corresponding threads are arranged at the position where the cover 200 is connected with the opening 130, so that the cover 200 can be screwed and buckled at the opening 130 through the rotation of the threads. Or a buckle is arranged at the edge of the sealing cover 200, and a clamping groove is correspondingly arranged at the periphery of the tail end of the shell sleeve 100, so that the sealing cover 200 is buckled and clamped in the clamping groove after being covered on the opening 130, and the sealing cover 200 and the shell sleeve are fixed.

In this embodiment, the connection groove 140 is disposed at the tail end of the casing sleeve 100, and the connection buckle 150 is disposed at the edge of the sealing cover 200 and connected thereto, when the sealing cover 200 is mounted, the sealing cover 200 can be mounted at the tail end opening 130 of the casing sleeve 100 in a buckled manner and the connection buckle 150 can be embedded with the connection groove 140, so that the sealing cover 200 can be fixed in multiple directions, when the flashlight drops, the connection buckle 150 can fix the sealing cover 200 and the casing sleeve 100 together, the sealing cover 200 is prevented from being separated from the casing sleeve 100, and further, components in the casing sleeve 100 are prevented from falling off and being damaged. The heat dissipation fan supplies air towards the copper substrate, so that air flow blown out by the heat dissipation fan can exchange heat with the power supply and the copper substrate, and the heat dissipation efficiency of the power supply and the light source is improved.

A second embodiment of the invention relates to a heat dissipation flashlight, as shown in fig. 2 to 4, a ferrule 114 is disposed between the light source 111 and the copper substrate 112 in this embodiment, so that both the light source 111 and the copper substrate 112 are sleeved inside the ferrule 114.

A heat conducting agent, such as silicone grease, a heat conducting paste, etc., is disposed between the light source 111 and the copper substrate 112 to accelerate the heat exchange between the copper substrate 112 and the light source 111. The heat generated by the light source 111 is conducted to the copper substrate 112 by heat conduction, so that the temperature of the copper substrate 112 is increased. When air flows blow the surface of the copper substrate 112 away from the light source 111, the heat exchange efficiency between the copper substrate 112 and the outside air is improved, so as to accelerate the cooling of the light source 111.

The surface of the housing sleeve 100 is provided with heat dissipation holes 180, and the heat dissipation holes 180 are disposed on the outer surface of the housing sleeve 100 at positions corresponding to the copper substrates 112. Through the arrangement of the heat dissipation holes 180 on the surface of the casing sleeve 100, the heat dissipation holes 180 are disposed on the outer surface of the casing sleeve 100 at positions corresponding to the copper substrate 112, so that the airflow blown out by the heat dissipation fan 300 can be blown to the copper substrate 112 from between the battery and the casing sleeve 100, and then blown out of the casing sleeve 100 through the heat dissipation holes 180, and the light source 111 and the battery are cooled. Through setting up louvre 180 for the inside wind channel that forms an efficiency height of shell sleeve 100, the air current that radiator fan 300 blew out blows through power 120 and light source 111 and copper base plate 112 after, flows out to shell sleeve 100 outside from louvre 180 for the inside radiating efficiency of flashlight.

It can be understood that the end face of the cover 200 facing away from the housing sleeve 100 may be provided with a pulling flap, the pulling flap is turned over towards the center of the cover 200 and is disposed perpendicular to the bottom surface of the cover 200, so that when a user needs to take off the cover 200, the user can separate the cover 200 from the housing sleeve 100 by grasping the pulling flap, and at the same time, the surface of the pulling flap facing the bottom surface of the cover 200 is provided with a cushion to improve the hand feeling when the user pulls the cover 200. Also, the periphery of the cover 200 may be provided with a cushion to prevent the cover 200 from coming into direct collision contact with the ground when the flashlight is dropped, thereby causing the cover 200 to be broken.

The power supply 120 is a cylindrical battery, a heat dissipation gap is formed between the power supply 120 and the casing sleeve 100, a heat dissipation sleeve 121 is arranged on the outer surface of the power supply 120, and the heat dissipation sleeve 121 is sleeved on the outer surface of the power supply 120. Through setting up power 120 for the cylindricality battery, be equipped with the heat dissipation clearance between power 120 and the shell sleeve 100, the power 120 surface is equipped with heat dissipation sleeve 121, and heat dissipation sleeve 121 cover is located the surface of power 120 for power 120 battery surface passes through heat dissipation sleeve 121 and conducts the heat to the air in for power 120's radiating efficiency.

The mounting kit 113 is provided with a plurality of vent holes 115, the axes of the vent holes 115 being arranged parallel to the axis of the housing sleeve 100. By providing the mounting kit 113 with a plurality of vent holes 115, the axes of the vent holes 115 are arranged parallel to the axis of the housing sleeve 100, and the amount of wind blown by the heat dissipation fan 300 toward the copper substrate 112 reaching the surface of the copper substrate 112 is further increased.

It can be understood that, after the connecting buckle 150 is buckled in the connecting groove 140, the fixing direction of the connecting groove 140 to the connecting buckle 150 is a direction perpendicular to the axis of the outer casing sleeve 100, and the fixing direction of the cover 200 to the outer casing sleeve 100 is a direction parallel to the axis of the outer casing sleeve 100, so that the fixing direction of the connecting groove 140 to the connecting buckle 150 and the fixing direction of the cover 200 to the outer casing sleeve 100 are perpendicular to each other, and the cover 200 is fixedly connected through two directions, so that the cover 200 is fixed more stably relative to the outer casing sleeve 100.

In this embodiment, the ferrule 114 is disposed between the light source 120 and the copper substrate 112, so that the light source 111 and the copper substrate 112 are both sleeved inside the ferrule 114, and the light source 111 and the copper substrate 112 are jointly fixed inside the outer casing sleeve 100 through the ferrule 114, thereby improving the stability of the light source 111 and the copper substrate 112.

A third embodiment of the present invention relates to a heat-dissipating flashlight, as shown in fig. 5 to 8, in this embodiment, a falling-preventing protrusion 160 is provided on a sidewall surface of the housing sleeve 100, and the connection groove 140 is provided on a surface of the falling-preventing protrusion 160.

The operating principle of the flashlight with the changeable illumination direction in the embodiment is that the illumination assembly 110 is arranged at one end inside the housing sleeve 100, the power supply 120 is arranged at the other end, the end, close to the power supply 120, inside the housing sleeve 100 is the tail end of the housing sleeve 100, the connecting groove 140 is arranged behind the surface of the anti-falling boss 160, a groove is formed on the surface of the anti-falling boss 160, the groove is the connecting groove 140, the two sides of the connecting groove 140 are the inner wall surfaces of the anti-falling boss 160, and the connecting groove 140 is clamped between the two inner wall surfaces of the anti-falling boss 160. When the cover 200 is installed to make the cover 200 cover the opening 130 at the tail end of the casing sleeve 100, the connecting fastener 150 is first fastened in the connecting groove 140, so that the connecting fastener 150 is fixed to the connecting groove 140, and at the same time, the cover 200 is driven to move toward the opening 130 until the cover 200 closes the opening 130.

The anti-falling boss 160 is a strip-shaped boss, and is parallel to the axis of the housing sleeve 100 and disposed on the outer surface of the housing sleeve 100, and two ends of the anti-falling boss 160 extend to the end faces of two ends of the housing sleeve 100 respectively, so as to ensure that the flashlight can be buffered. Meanwhile, the thickness of the two ends of the anti-falling boss 160 relative to the sleeve of the shell can be set to be larger than that of the middle section, so that when the flashlight falls, the two ends of the anti-falling boss 160 are firstly contacted with the ground. Prevent falling the sunken setting in middle part of boss 160 for both ends, parts such as the switch of flashlight and liquid crystal display can set up the middle part depressed place of preventing falling boss 160 to thereby these fragile components and parts collide with ground and take place to damage when preventing that the flashlight from falling.

The connecting slots 140 are provided in plural, the plural connecting slots 140 are spaced around the outer surface of the casing sleeve 100, the connecting fasteners 150 are correspondingly provided in plural, so that each connecting fastener 150 is embedded in each connecting slot 140, and the plural connecting fasteners 150 are connected with the periphery of the cover 200.

After the cover 200 is snapped into the opening 130 at the rear end of the housing sleeve, a gap is still present between the cover 200 and the housing sleeve, which gap can affect the sealing of the flashlight. After the connecting buckle 150 is connected to the sealing cover 200, the joint between the connecting buckle 150 and the sealing cover 200 covers the gap between the sealing cover 200 and the casing sleeve, so as to close the gap between the sealing cover 200 and the casing sleeve.

The surface of the connecting buckle 150 facing away from the housing sleeve 100 is provided with a rope hanging portion 170, the rope hanging portion 170 is provided with a rope hanging hole 171, and the axis of the rope hanging hole 171 is perpendicular to the axis of the housing sleeve 100.

Connect buckle 150 to deviate from the telescopic surface of shell and set up string portion 170, string portion 170 is for deviating from the bellied part in shell sleeve surface for connecting buckle 150, and string portion 170 can set up to one, also can set up to two, all is provided with string hole 171 on string portion 170 simultaneously to the user is at the in-process that uses the flashlight, passes string hole 171 with portable rope, improves the portability of flashlight. Meanwhile, the portable rope can be sleeved on the wrist of the user, and the risk that the flashlight falls is further prevented. Meanwhile, the portable rope can improve the individuation of the flashlight and the attractiveness of the flashlight. The axis of the string hanging hole 171 is perpendicular to the axis of the housing sleeve 100, so that the pulling force of the portable string to the string hanging part 170 is a force perpendicular to the surface of the housing sleeve, which is opposite to the direction of the cover 200 being separated from the housing sleeve, and at the same time, the connection catch 150 is fixed to the connection groove 140, and the portable string does not pull the connection catch 150 out of the connection groove 140, thereby having high strength.

The inner walls of the anti-falling bosses 160 facing the two sides of the connecting groove 140 are provided with sliding grooves, the extending direction of the sliding grooves is parallel to the axis of the housing sleeve 100, and the two sides of the connecting buckle 150 are provided with sliding plates movably connected with the sliding grooves. Prevent falling boss 160 through the setting and be equipped with the sliding tray towards the both sides inner wall of spread groove 140, the extending direction of sliding tray and the axis parallel arrangement of shell sleeve 100, connect buckle 150's both sides all are equipped with the sliding plate, the sliding plate is connected in the sliding tray is movably for connect buckle 150 can slide in spread groove 140 along the sliding tray of preventing falling boss 160 both sides inner wall when being connected with spread groove 140, the joint process is more stable. The cover 200 is rotatably coupled with the coupling catch 150 such that the cover 200 is rotated with respect to the housing sleeve 100 when the coupling catch 150 is fitted in the coupling groove 140, and the rotation axis of the cover 200 is disposed perpendicular to the axis of the housing sleeve 100. During the installation process, the cover 200 may be rotated with respect to the connection clip 150, so that the cover 200 is located at a position that does not affect the sliding of the connection clip 150 into the connection slot 140, and then the cover 200 is rotated to be fastened to the opening 130 at the rear end of the housing sleeve after the connection clip 150 is slid in. When it is desired to open the cover 200 for maintenance inspection of the interior of the flashlight, the cover 200 is separated from the opening 130 by rotating the cover 200 while the connection catch 150 remains fixedly connected to the housing sleeve, preventing inadvertent loss by the user after the cover 200 has been removed separately.

The sliding plates are disposed on the left and right sides of the connecting buckle 150, so that when the connecting buckle 150 enters the connecting groove 140 in parallel with the bottom surface of the connecting groove 140, the sliding plates on the two sides of the connecting buckle 150 slide along the sliding grooves on the two sides, respectively, to provide a guiding function for the connecting buckle 150, and to make the movement of the connecting buckle 150 more stable when entering the connecting groove 140. The surface of the sliding plate may be provided with a sealing gasket, and the inner surface of the sliding groove may also be provided with a sealing gasket, so as to improve the sealing property at the connection between the connection buckle 150 and the connection groove 140.

The bottom surface of the connecting groove 140 away from the cover 200 is provided with a clamping groove, and the corresponding position of the connecting buckle 150 is provided with a clamping plate, so that the clamping plate is detachably fastened and connected with the clamping groove when the connecting buckle 150 slides to the bottom end along the connecting groove 140. Keep away from the bottom surface of closing cap 200 through setting up spread groove 140 and be equipped with the joint groove, connect buckle 150's corresponding position department is equipped with the joint board, so that connect buckle 150 slides along spread groove 140 and is connected with joint groove detachably lock when the bottom, make connect buckle 150 follow the slide groove and slide into behind spread groove 140, the joint board can be fixed with the joint groove joint, make connect buckle 150 and shell sleeve 100 relatively fixed, simultaneously can be when needs dismantle closing cap 200 easy with joint board and joint groove separation, accomplish the dismantlement.

The clamping plate is disposed between the two sliding plates and located at an end of the connecting buckle 150 away from the sealing cover 200, so that the clamping plate can be firstly fixed with the clamping groove disposed at the bottom surface of the connecting groove 140 away from the sealing cover 200 when the connecting buckle 150 enters the connecting groove 140 and moves forward.

The periphery of the housing sleeve 100 is provided with an annular mounting groove in which a buffer ring is disposed.

There are a plurality of annular mounting grooves provided at intervals along the axis of the housing sleeve 100. There are a plurality ofly through setting up the annular mounting groove, and a plurality of annular mounting grooves set up along shell sleeve 100's axis interval for all be equipped with a buffering circle in a plurality of annular mounting grooves, thereby a plurality of buffering circles are simultaneously to shell sleeve 100 buffering shock attenuation.

Annular mounting groove is sunken to inside for shell sleeve 100's surface, and after the buffering circle was inlayed and is located annular mounting groove, the outer fringe of buffering circle exceeds shell sleeve 100's surface to when making the flashlight drop, by the buffering circle at first with ground to the contact, realize buffering absorbing function.

The buffer ring is made of rubber. The buffer ring is made of rubber materials, so that the buffer ring has high elasticity, and the damping capacity of the buffer ring is improved. Buffering circle is fixed in the annular mounting groove through the mode that splices or joint, and the annular mounting groove is the half-circular arc cross-section along the cross-section of shell sleeve 100 axis, and the buffering circle is circular cross-section along the cross-section of shell sleeve 100 axis to when making the buffering circle be fixed in the annular mounting groove, the surface of buffering circle can be higher than the surface of shell sleeve 100 of annular mounting groove both sides.

In this embodiment, the anti-falling boss 160 is disposed on the surface of the sidewall of the casing sleeve 100, and the connection groove 140 is disposed on the surface of the anti-falling boss 160, so that when the flashlight falls, the anti-falling boss 160 plays a role of buffering and damping for the casing sleeve 100, and the casing sleeve 100 is prevented from directly contacting with the ground and being cracked. The periphery through setting up shell sleeve 100 is equipped with the annular mounting groove, is equipped with the buffering circle in the annular mounting groove for the buffering circle in the annular mounting groove can produce cushioning effect to shell sleeve 100 when the flashlight drops, prevents that shell sleeve 100 from directly dropping on ground and producing the damage. By arranging the cap 200 to be rotatably connected with the connection buckle 150 such that the cap 200 rotates relative to the housing sleeve 100 when the connection buckle 150 is embedded in the connection groove 140, the rotation axis of the cap 200 is arranged perpendicular to the axis of the housing sleeve 100, so that the connection buckle 150 can be kept connected with the housing while the cap 200 is opened, thereby avoiding the cap 200 from being lost due to being placed everywhere after the cap 200 is opened. The surface departing from the housing sleeve 100 is provided with the rope hanging portion 170 by arranging the connecting buckle 150, the rope hanging portion 170 is provided with the rope hanging hole 171, the axis of the rope hanging hole 171 is perpendicular to the axis of the housing sleeve 100, so that writing of the flashlight is realized, and meanwhile, after the rope hanging hole 171 is arranged at the connecting buckle 150 and is connected by using a rope, external force of the sealing cover 200 far away from the housing sleeve 100 is not caused when the rope is lifted. There are a plurality ofly through setting up the connecting groove 140, a plurality of connecting grooves 140 encircle the surface interval setting of shell sleeve 100, connect buckle 150 to be equipped with a plurality ofly correspondingly, so that every connect buckle 150 inlays respectively and locates in every connecting groove 140, a plurality of connect buckle 150 all are connected with the periphery of closing cap 200, make a plurality of connect buckle 150 play fixed connection effect to closing cap 200 jointly, encircle a plurality of connect buckle 150 that set up simultaneously and can cover the seam between closing cap 200 and shell sleeve 100, improve the waterproof ability of flashlight.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, which may also change accordingly when the absolute position of the object being described changes.

It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice.