CN114321756A - Flashlight shell and flashlight - Google Patents

Abstract

The invention belongs to the field of lighting technical equipment, and particularly relates to a flashlight shell and a flashlight. The flashlight housing includes: the flashlight comprises a flashlight body, a flashlight body and a tail cover, wherein the flashlight body comprises a barrel body shell with an accommodating cavity, a lamp cap structure with a butt joint cavity and the tail cover, the two ends of the barrel body shell are provided with openings, the tail cover is connected to the opening at one end of the barrel body shell in a sealing mode, the flashlight body further comprises a first sealing rubber ring, the first sealing rubber ring is located in the butt joint cavity, the opening at the other end of the barrel body shell is inserted into the butt joint cavity, and the first sealing rubber ring is extruded together with the cavity wall of the butt joint cavity; the cylinder body shell and the first sealing rubber ring are integrally formed, or the lamp cap structure and the first sealing rubber ring are integrally formed. The invention can improve the sealing performance of the cylinder shell and is convenient to assemble.

Description

Flashlight shell and flashlight

Technical Field

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

Background

At present, a flashlight is used as a necessary lighting tool in daily life or work, the flashlight in the prior art generally comprises a lamp holder, a barrel body connected with the lamp holder and a tail cover, a battery is arranged in the barrel body, a hole site is arranged on the barrel body, and a switch button for controlling the flashlight to be turned on and off is arranged in the hole site of the barrel body. In some special cases, for example, when the flashlight is used in police, military and police tactics and other scenes, the flashlight is required to have the characteristics of high strength, strong illumination, high-efficiency sealing and water proofing and the like.

However, the flashlight in the prior art includes a flashlight housing and an electronic component disposed in the flashlight housing, and the sealing performance of the flashlight housing is poor, for example, when the flashlight is used in a humid environment or in rain, water, deep holes, diving, long shot, maritime search and rescue, and the like, the flashlight is disabled due to the invasion of water liquid, and the service life of the flashlight is further affected. At present, an independent sealing ring is usually arranged at the joint of the cylinder body shell and the lamp cap or the tail cover, and the independent sealing ring causes complicated installation and unsatisfactory sealing performance.

Therefore, there is a need to provide a new flashlight with high sealing, waterproof and easy assembly to meet the market demand.

Disclosure of Invention

An object of the embodiment of this application is to provide a flashlight casing, aims at solving the problem that how to improve flashlight casing sealing performance and installation convenience.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: a flashlight housing is provided, comprising: the flashlight comprises a flashlight body, a flashlight body and a tail cover, wherein the flashlight body is provided with a cylinder body shell with an accommodating cavity, a lamp holder structure with a butt joint cavity and the tail cover, openings are formed in two ends of the cylinder body shell, the tail cover is connected to the opening at one end of the cylinder body shell in a sealing mode, the flashlight body further comprises a first sealing rubber ring, the first sealing rubber ring is located in the butt joint cavity, the opening at the other end of the cylinder body shell is inserted into the butt joint cavity, and the first sealing rubber ring is extruded together by the cavity wall of the butt joint cavity; the cylinder body shell and the first sealing rubber ring are integrally formed, or the lamp cap structure and the first sealing rubber ring are integrally formed.

In one embodiment, a first sealing groove is formed in the cavity bottom of the butt joint cavity, the barrel shell and the first sealing rubber ring are integrally formed, and the first sealing rubber ring is partially accommodated in the first sealing groove.

In one embodiment, the inner wall of the docking cavity is provided with a first internal thread, the outer surface of the cylinder shell is provided with a first external thread, the first external thread is matched with the first internal thread, and the cylinder shell is screwed in the docking cavity and tightly presses the first sealing rubber ring.

In one embodiment, the lamp holder structure includes a lamp holder housing and a lamp cover, the butt joint cavity is formed at one end of the lamp holder housing, the light emitting cavity is formed at the other end of the lamp holder housing, a second sealing groove is formed in a side surface of the lamp cover, a second sealing rubber ring is arranged in the second sealing groove, and the lamp cover is inserted into the opening of the light emitting cavity and extrudes the second sealing rubber ring together with the cavity wall of the light emitting cavity.

In one embodiment, the second sealing rubber ring is integrally formed with the lamp cap shell; or the second sealing rubber ring and the lamp cover are integrally formed.

In one embodiment, the flashlight case further includes a third sealing rubber ring, a limiting groove is formed in the cavity wall of the light-emitting cavity, a third sealing groove is formed in the bottom of the limiting groove, the third sealing rubber ring is located in the third sealing groove and integrally formed with the lamp holder case, a second internal thread is formed in the cavity wall of the light-emitting cavity, a second external thread is formed on the peripheral side surface of the lamp holder cover, and the lamp holder cover is screwed in the light-emitting cavity and extrudes the third sealing rubber ring.

In one embodiment, a key hole communicated with the accommodating cavity is formed in the surface of the barrel shell, a button structure is arranged at the key hole, the button structure comprises a switch button made of a flexible material capable of elastically deforming and a trigger piece connected with the switch button and located in the accommodating cavity, the edge of the switch button is connected with the edge of an opening of the key hole and integrally formed with the barrel shell, and the switch button elastically deforms under the action of external pressure and drives the trigger piece to move.

In one embodiment, a light guide hole is further formed in one end, connected with the tail cover, of the barrel casing, a light guide column is arranged in the light guide hole, an annular groove is formed in the side surface of the light guide column, an annular protrusion is convexly arranged on the wall of the light guide hole towards the inside of the annular groove, and the light guide column and the barrel casing are integrally formed.

In one embodiment, the flashlight housing further comprises a fourth sealing rubber ring, the tail cover presses the fourth sealing rubber ring towards the barrel housing, and the fourth sealing rubber ring is integrally formed with the tail cover or the fourth sealing rubber ring is integrally formed with the barrel housing.

Another object of the present application is to provide a flashlight, which includes the flashlight housing as described above, and the flashlight further includes a main circuit board disposed in the accommodating cavity and an electronic switch disposed on the main circuit board.

The beneficial effect of this application lies in: the first sealing rubber ring is connected to the cylinder shell or connected to the wall of the butt joint cavity of the lamp cap structure through integral injection molding, so that the sealing performance of the lamp cap structure and the cylinder shell can be improved, and the convenience in assembling the lamp cap structure and the cylinder shell can be improved.

Drawings

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

FIG. 1 is a schematic perspective view of a flashlight according to an embodiment of the present disclosure;

FIG. 2 is a schematic cross-sectional view of the flashlight of FIG. 1 in the direction A-A;

fig. 3 is a partial enlarged view at a of fig. 2;

fig. 4 is a partial enlarged view at B of fig. 2;

FIG. 5 is a perspective view of the body housing of the flashlight of FIG. 1;

FIG. 6 is a cross-sectional schematic view of a lamp head structure provided in another embodiment of the present application;

fig. 7 is a partial enlarged view at C of fig. 6;

FIG. 8 is a perspective view of the lamp cover of FIG. 6;

FIG. 9 is a schematic perspective view of a flashlight according to yet another embodiment of the present application;

FIG. 10 is an exploded view of the barrel housing and tail cap of FIG. 9;

FIG. 11 is a perspective view of the tail cap of FIG. 10;

FIG. 12 is a perspective view of the power supply assembly of FIG. 11;

FIG. 13 is an exploded schematic view of the power supply assembly of FIG. 12;

fig. 14 is a schematic structural view of the cartridge housing of fig. 10.

Wherein, in the figures, the respective reference numerals:

100. a flashlight housing; 101. a lamp cap structure; 102. a barrel housing; 103. a tail cover; 10. a button structure; 1012. a light reflecting cup; 1013. a heat sink; 1021. an accommodating cavity; 11. a switch button; 111. a pressing head; 112. an arc-shaped plate; 113. a fixing ring; 12. a trigger; 1023. an electronic switch; 1024. a key hole; 1025. a through hole; 1026. an annular groove; 501. a light guide hole; 61. a lamp cover; 62. a lamp cap housing; 621. a light emitting cavity; 622. a docking chamber; 2021. a second seal groove; 201. a first sealing rubber ring; 202. a second sealing rubber ring; 203. a third sealing rubber ring; 204. a fourth sealing rubber ring; 2011. a first seal groove; 2031. A third seal groove; 2041. a fourth seal groove; 611. a second external thread; 623. a second internal thread; 55. An annular projection; 52. an indicator light; 53. a main circuit board; 54. an auxiliary circuit board; 71. a charging contact; 72. A countersunk groove; 73. a rope hanging hole; 75. an end cap screw; 77. a charging spring plate; 76. an arc-shaped boss; 751. a gasket; 752. a fifth sealing rubber ring; 79. a column base; 78. a card slot; 781. fixing the buckle; 791. a screw hole; 58. a battery; 56. a nickel strap;

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further 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 present application.

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 or indirectly connected to the other element. The terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and operate, and thus are not to be construed as limiting the present application, and the specific meanings of the above terms may be understood by those skilled in the art according to specific situations. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.

Referring to fig. 1 and 13, embodiments of the present application provide a flashlight housing 100 and a flashlight having the same. Referring to fig. 1 and 3, the flashlight casing 100 includes a barrel casing 102 having a receiving cavity 1021, a lamp head structure 101 having a butt joint cavity 622, and a tail cap 103. Barrel casing 102 is rectangular form and supplies the staff to hold, and the both ends of barrel casing 102 all have the opening, and tail-hood 103 sealing connection is in the opening part of barrel casing 102 one end, and flashlight casing 100 still includes first sealed rubber ring 201, and first sealed rubber ring 201 is located butt joint chamber 622, and the opening of the other end of barrel casing 102 is pegged graft in butt joint chamber 622 and in the chamber wall co-extrusion first sealed rubber ring 201 of butt joint chamber 622. Optionally, the first sealing rubber ring 201 is made of liquid silicone rubber, the liquid silicone rubber is injection-molded liquid silicone rubber, and the liquid silicone rubber has the characteristics of high strength, tearing resistance and corrosion resistance, and has the advantages of good performance and long service life, and can be formed by integral injection molding, and the sealing performance is good. Wherein, the barrel shell 102 and the first sealing rubber ring 201 are integrally formed, or the lamp cap structure 101 and the first sealing rubber ring 201 are integrally formed. It is understood that at least the portion of the base structure 101 abutting the first sealing rubber ring 201 is made of plastic material; the portion of the barrel housing 102 abutting the first rubber seal 201 is also made of plastic material, so that the first rubber seal 201 can be integrally formed on the lamp cap structure 101 by injection molding process, or the first rubber seal 201 can be integrally formed on the barrel housing 102 by injection molding process.

Referring to fig. 4 and 6, optionally, the first sealing rubber ring 201 is connected to the barrel housing 102 or connected to the cavity wall of the butt joint cavity 622 of the lamp head structure 101 by integral injection molding, which not only improves the sealing performance of the lamp head structure 101 and the barrel housing 102, but also improves the convenience of assembling the lamp head structure 101 and the barrel housing 102.

In one embodiment, a first sealing groove 2011 is formed at the bottom of the docking cavity 622, the barrel housing 102 and the first sealing rubber ring 201 are integrally formed, and a part of the first sealing rubber ring 201 is accommodated in the first sealing groove 2011.

Referring to fig. 6, optionally, by partially accommodating the first sealing rubber ring 201 in the first sealing groove 2011, it is beneficial to improve the stability of the first sealing rubber ring 201, so that the first sealing rubber ring 201 is uniformly deformed under the extrusion of the lamp cap structure 101 and the barrel housing 102, and the sealing performance is improved.

Referring to fig. 7 and 9, in an embodiment, a first internal thread is formed on an inner wall of the docking cavity 622, a first external thread is formed on an outer surface of the barrel housing 102, the first external thread is adapted to the first internal thread, and the barrel housing 102 is screwed into the docking cavity 622 and tightly presses the first sealing rubber ring 201.

Optionally, through the screw locking fit of the first external thread and the first internal thread, when the lamp cap structure 101 is locked and connected with the barrel casing 102, the first sealing rubber ring 201 is compressed and expanded, so that two sealing waterproof effects of the thread and the sealing rubber ring are formed, and the sealing effect of the connection between the lamp cap structure 101 and the barrel casing 102 is improved.

Referring to fig. 4 and 6, in an embodiment, the lamp cap structure 101 includes a lamp cap housing 62 and a lamp cap 61, one end of the lamp cap housing 62 is provided with a butt joint cavity 622, the other end of the lamp cap housing 62 is provided with a light emitting cavity 621, a side surface of the lamp cap 61 is provided with a second sealing groove 2021, a second sealing rubber ring 202 is disposed in the second sealing groove 2021, and the lamp cap 61 is inserted into the opening of the light emitting cavity 621 and presses the second sealing rubber ring 202 together with the cavity wall of the light emitting cavity 621. The second sealing rubber ring 202 is integrally formed with the lamp holder shell 62; alternatively, the second sealing rubber 202 is formed integrally with the lamp cover 61.

The lamp cover 61 and the lamp head housing 62 can be detachably connected by turning a knob through a screw, and a second sealing rubber ring 202 is arranged between the lamp cover 61 and the lamp head housing 62. The side wall of the light emitting cavity 621 wraps the lamp cover 61 in the light emitting cavity 621, and the lamp cap casing 62 is made of a metal material, while the lamp cover 61 is made of a plastic material, so that the lamp cover 61 can be effectively prevented from being broken and broken.

Referring to fig. 4 and fig. 6, optionally, by partially accommodating the second rubber sealing ring 202 in the second sealing groove 2021, it is beneficial to improve the stability of the second rubber sealing ring 202, so that the second rubber sealing ring 202 is uniformly deformed under the extrusion of the lamp cap shell 62 and the lamp cover 61, and the sealing performance is improved.

Referring to fig. 4 and 6, in an embodiment, the flashlight housing 100 further includes a third sealing rubber ring 203, a limiting groove is formed on a cavity wall of the light emitting cavity 621, a third sealing groove 2031 is formed on a bottom of the limiting groove, the third sealing rubber ring 203 is located in the third sealing groove 2031 and is integrally formed with the lamp holder housing 62, a second internal thread 623 is formed on the cavity wall of the light emitting cavity 621, a second external thread 611 is formed on a peripheral side surface of the lamp cover 61, and the lamp cover 61 is locked to the light emitting cavity 621 and presses the third sealing rubber ring 203 through the cooperation of the second external thread 611 and the second internal thread 623.

A second seal groove 2021 and a third seal groove 2031 are provided at both upper and lower ends of the lamp cover 61 screwed into the base housing 62, respectively.

The liquid silicone rubber and the lamp holder housing 62 are molded into an integral structure in the second sealing groove 2021 by an integral encapsulation molding method, and when the lamp cap 61 and the lamp holder housing 62 are screwed together, the second sealing rubber ring 202 is pressed tightly, so that a good sealing effect is achieved.

Referring to fig. 4 and 6, optionally, a third sealing groove 2031 filled with a sealant is formed in the upper portion of the lamp holder housing 62, a tooth socket is formed in the sidewall, the lamp cover 61 and the lamp holder housing 62 are rotatably clamped with the tooth socket of the sidewall through a thread on the side, the lamp cover 61 extrudes the third sealing rubber ring 203 to expand, and the sealing groove is filled to achieve a sealing effect. After the lamp cover 61 and the lamp holder housing 62 are assembled, the lower surface of the lamp cover 61 abuts against the reflective cup 1012 located in the light emitting cavity 621, the side surface of the convex ring at the edge of the upper surface abuts against the side wall of the lamp holder 1011, and the lamp cover 61 is wrapped by the lamp holder housing 62 and is not easy to collide with. The light-emitting circuit board, the light-reflecting cup 1012, the lamp cover 61 and the vapor chamber in the light-emitting cavity 621 are mutually abutted, the structure is compact, and the damage of parts in the lamp holder shell 62 caused by shaking is reduced.

Referring to fig. 7 and 9, optionally, a post hole is convexly formed on an inner wall of the accommodating cavity 1021 at one end of the barrel housing 102 connected to the lamp head structure 101, referring to fig. 10 and 13, one end of a lamp head screw sequentially passes through the heat sink 1013, the light-emitting circuit board, the soaking plate, and the baffle plate to reach the other end and match with the post hole of the barrel housing 102, the post hole is provided with an internal thread, the lamp head screws are well connected with the barrel housing 102 through the post hole, and parts inside the lamp head housing 62 are fixed into a whole, so that the parts inside the lamp head housing 62 are more stable, and the connection between the lamp head structure 101 and the barrel housing 102 is also reliable.

Referring to fig. 14, optionally, the column holes 531 are disposed to extend along the length direction of the cylinder housing 102, the main circuit board 53 in the accommodating cavity 1021 is limited by the hole walls of two adjacent column holes 531, and the movement of the main circuit board 53 in the cylinder housing 102 is limited.

Optionally, the pillar hole 531 is a circular hole, and penetrates through to two ends of the barrel casing 102, and along the length direction of the pillar hole 531, the hole wall of the pillar hole 531 is in an incompletely closed shape, and is provided with a trench 5311, so that on one hand, the mold stripping of the barrel casing 102 in the manufacturing process is facilitated, and on the other hand, the two trenches 5311 can fix two ends of the main circuit board 53, so as to better stabilize the main circuit board 53.

Referring to fig. 5, in an embodiment, a key hole 1024 communicating with the accommodating cavity 1021 is formed in a surface of the barrel casing 102, a button structure 10 is disposed at the key hole 1024, the button structure 10 includes a switch button 11 made of a flexible and elastically deformable material and a trigger 12 connected to the switch button 11 and located in the accommodating cavity 1021, an edge of the switch button 11 is connected to an edge of an opening of the key hole 1024 and integrally formed with the barrel casing 102, and the switch button 11 elastically deforms under an external pressure and drives the trigger 12 to move.

Referring to fig. 5, alternatively, through holes 1025 are uniformly distributed around the key hole 1024, the key hole 1024 and the uniformly distributed through holes 1025 are formed in an annular groove 1026 of the barrel housing 102, the shape of the concave annular structure is similar to that of a thumb, the concave annular structure is a concave part in the middle, two ends of the concave annular structure are slightly tilted, and when a thumb of a user presses the annular groove 1026, the thumb can be matched with the concave annular structure.

Optionally, the switch button 11 fills each through hole 1025 during the forming process, thereby improving the reliability of the connection of the switch button 11 to the barrel housing 102.

Alternatively, the key hole 1024 is a regular shape, which may be a circle or a regular polygon, so as to mount the switch button 11.

Optionally, a switch assembly is disposed in the accommodating cavity 1021, and the switch assembly includes a main circuit board 53 and an electronic switch 1023 disposed on the main circuit board 53. The trigger 12 triggers the electronic switch 1023 by the actuation of the switch button 11.

Optionally, the switch button 11 includes convex and swing joint's press head 111, arc 112 and the solid fixed ring 113 of arc 112 ring connection of being connected with press head 111 ring, gu fixed ring 113 can fill the through-hole 1025 of stack shell 102 in the shaping process, wrap up the through-hole 1025 together, switch button 11 is connected with stack shell 102 integrated into one piece through solid fixed ring 113, switch button 11 is flexible material, TPV can choose for use, thermoplastic materials such as TPE or TPO, have good elastic deformation ability, when the user presses press head 111, its switch button 11 takes place deformation through arc 112, make press head 111 can reciprocating motion, specifically, arc 112 has certain radian, obtain different bounce of pressing through setting up different curvatures, make the user promote comfortable degree when pressing.

Referring to fig. 5 and 8, a trigger 12 made of a hard material is disposed on the other side of the switch button 11, the trigger 12 and the pressing head 111 are integrated, and the trigger 12 and the pressing head 111 are formed by an encapsulation process, and the like.

Optionally, a protective cover (not shown) is further disposed in this embodiment, the protective cover is disposed outside the switch button 11, and the protective cover is detachably connected to the switch button 11. Specifically, it may be designed such that the surfaces of the two are in contact, and the open end of the protective cover abuts against the barrel housing 102. The effect of visor is a confined space with stack shell 102 formation, be connected with stack shell 102 through the visor, make shift knob 11 obtain effectual protection, when not using the flashlight, can play good guard action to shift knob 11, prevent to remove or place, and the in-process mistake touches shift knob 11, thereby make the flashlight by the mistake start-up, also can effectual external steam of crime, debris such as dust rub damage shift knob 11, thereby the life of flashlight has been reduced.

Optionally, the protective cover and the barrel housing 102 may be detachably connected through a screw connection, a snap connection, or an adhesive connection, and the embodiment is not particularly limited.

The protective cover is detachably connected with the switch button 11, and the switch button 11 and the barrel shell 102 are integrally molded in an encapsulation mode, so that the overall use experience of the flashlight is further improved.

Referring to fig. 4, in an embodiment, a light guide hole 501 is further formed at one end of the barrel casing 102 connected to the tail cover 103, a light guide pillar is disposed in the light guide hole 501, an annular groove 1026 is formed on a side surface of the light guide pillar, an annular protrusion 55 is convexly disposed on a wall of the light guide hole 501 facing the annular groove 1026, and the light guide pillar and the barrel casing 102 are integrally formed.

Optionally, a light guide structure assembly including a light guide circuit board and a plurality of indicator lights 52 disposed on the light guide circuit board is further disposed in the accommodating cavity 1021, the light guide circuit board is connected with the tail cover 103 in a snap-fit manner and fixed inside the accommodating cavity 1021, and the plurality of indicator lights 52 are fixed on the light guide circuit board and placed in the barrel casing 102. One end of the light guide post is embedded into the light guide hole 501, and the other end is suspended in the accommodating cavity 1021 and aligned with the indicator 52.

Referring to fig. 4, optionally, the material of the barrel housing 102 is different from that of the light guide bar, the light guide bar is embedded into the light guide hole 501 of the barrel housing 102 by an integral injection molding method, one end of the light guide bar is embedded into the barrel housing 102, and the other end of the light guide bar is suspended inside the flashlight barrel. Set up annular protrusion 55 and make the combination of moulding plastics between the leaded light post that obtains and stack shell 102 inseparabler and be difficult for droing more, reduce the assembly process, reduce the cost of labor, prevent that the problem that the assembly is improper or produce the displacement because of the collision from appearing in the leaded light post.

Referring to fig. 4, optionally, in the present embodiment, there are 4 indicator lights 52, and the indicator lights 52 are linearly arranged on the light guide circuit board at equal intervals. Correspondingly, the number of the light guide columns is 4, and each light guide column is arranged corresponding to each indicator lamp 52.

Optionally, in this embodiment, the barrel housing 102 may be made of metal or PC material, and the light guide pillar is made of LSR (liquid silicone rubber) material.

Referring to fig. 4, further, the height of the end of the light guide column embedded into the light guide hole 501 is consistent with the outer surface of the cylinder housing 102, so as to improve the overall smoothness of the cylinder housing 102, and prevent the gripping operation from being affected.

Optionally, the light guide column and the barrel shell 102 are integrally formed into a whole through injection molding, so that the waterproof sealing performance of the flashlight is improved, and meanwhile, the assembly procedures are reduced, so that the labor cost is reduced, and the problem that the light guide column is displaced due to improper assembly or collision in the use process is prevented.

Referring to fig. 9 and 11, in one embodiment, flashlight housing 100 further includes a fourth sealing rubber 204, and tail cap 103 presses fourth sealing rubber 204 toward body housing 102.

Optionally, fourth sealing rubber ring 204 is integrally formed with tail cap 103.

Optionally, fourth packing rubber 204 is integrally formed with barrel housing 102.

Optionally, a fourth sealing groove 2041 matched with the fourth sealing rubber ring 204 is further provided on the tail cover 103.

Referring to fig. 9 and 11, optionally, the barrel casing 102 and the tail cover 103 are sequentially connected and combined, the outer side of the tail cover 103 is provided with a plurality of screw holes 791 and a plurality of rope hanging holes 73, and the end cover screw 75 is screwed in from outside to inside to fixedly connect the barrel casing 102 and the tail cover 103; a sunk groove 72 which is sunk downwards is formed in one end of the outer side of the tail cover 103, and a charging contact 71 is arranged in the sunk groove 72. An arc-shaped boss 76 is arranged at the inner side edge of the tail cover 103, and the arc-shaped boss 76 can play a limiting role when the tail cover 103 is assembled with the barrel shell 102. The arc-shaped protrusions are arranged in a plurality, and the arc-shaped protrusions are arranged around the tail cover 103 at intervals in the circumferential direction.

Optionally, a washer 751 and a fifth sealing rubber ring 752 are disposed on the end cap screw 75.

Referring to fig. 9 and 11, optionally, a plurality of pylons 79 and a plurality of fixing fasteners 781 are disposed on the inner side of the tail cover 103, a locking groove 78 is formed on a side surface of each pylon 79, and a reinforcing rib is further disposed on a side surface of each fixing fastener 781. One end of the main circuit board 53 in the accommodating cavity 1021 is clamped in the clamping groove 78, and the fixing buckle 781 is connected with the main circuit board 53, so that the reliability of the main circuit board 53 is improved.

Optionally, the screw holes 791 are formed in the pylons 79, and each pylon 79 is provided with four screw holes 791.

Referring to fig. 9 and 11, optionally, a charging spring 77 is further disposed on the tail cover 103, and the charging spring 77 is used for electrically connecting the main circuit board 53 to a power supply. One end of the charging elastic sheet 77 is in a claw shape and is clamped and fixed with the main circuit board 53 in the cylinder body shell 102, the other end of the charging elastic sheet extends to the outside of the tail cover 103 to form the charging contact 71, and the charging elastic sheet 77 and the tail cover 103 are integrally formed into an integral structure through injection molding.

Referring to fig. 9 and 11, optionally, the tail cover 103 and the barrel housing 102 are sealed by a sealant, the sealant is integrally injection-molded with the barrel housing 102 or the tail cover 103 through liquid silica gel, and a fourth sealing rubber ring 204 is formed, so that a conventional sealing ring structure is replaced, and assembly and sealing are more efficient. The tail cover 103 and the barrel body are locked through a screw structure outside the tail cover 103, a fifth sealing rubber ring 752 formed by liquid silica gel through integral injection molding is also designed on the end cover screw 75, when the screw is locked, the fourth sealing rubber ring 204 and the fifth sealing rubber ring 752 between the end cover screw 75 and the tail cover 103 and between the tail cover 103 and the barrel body shell 102 are pressed tightly, a good waterproof effect can be achieved, meanwhile, the sealant with an integral structure changes the assembly procedure of the traditional sealing ring, and the assembly is more stable, reliable and convenient.

The invention further provides a flashlight, which comprises a flashlight casing 100, the specific structure of the flashlight casing 100 refers to the above embodiments, and the flashlight adopts all technical solutions of all the above embodiments, so that all the beneficial effects brought by the technical solutions of the above embodiments are also achieved, and no further description is given here.

In one embodiment, the flashlight further includes a main circuit board 53 disposed within the receiving cavity 1021 and an electronic switch 1023 disposed on the main circuit board 53.

Referring to fig. 12 and 13, optionally, the flashlight further includes a plurality of batteries 58 and a plurality of nickel strips 56 disposed in the barrel housing 102, the plurality of batteries 58 and the plurality of nickel strips 56 form a power supply assembly 50, the power supply assembly 50 is disposed between the two main circuit boards 53, the two ends of the main circuit board 53 are respectively provided with the auxiliary circuit boards 54, and the power supply assembly 50 is tightly confined in the barrel housing 102.

The above are merely alternative embodiments of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims (10)

1. A flashlight housing (100) comprising: the flashlight comprises a flashlight body shell (102) with an accommodating cavity (1021), a lamp holder structure (101) with a butt joint cavity (622), and a tail cover (103), wherein openings are formed at two ends of the flashlight body shell (102), the tail cover (103) is connected to the opening at one end of the flashlight body shell (102) in a sealing manner, the flashlight body (100) further comprises a first sealing rubber ring (201), the first sealing rubber ring (201) is located in the butt joint cavity (622), the opening at the other end of the flashlight body shell (102) is inserted into the butt joint cavity (622) and extrudes the first sealing rubber ring (201) together with the wall of the butt joint cavity (622); the barrel shell (102) and the first sealing rubber ring (201) are integrally formed, or the lamp cap structure (101) and the first sealing rubber ring (201) are integrally formed.

2. The flashlight housing (100) of claim 1 wherein: a first sealing groove (2011) is formed in the cavity bottom of the butt joint cavity (622), the cylinder body shell (102) and the first sealing rubber ring (201) are integrally formed, and part of the first sealing rubber ring (201) is contained in the first sealing groove (2011).

3. The flashlight housing (100) of claim 1 wherein: the inner wall of the butt joint cavity (622) is provided with a first internal thread, the outer surface of the cylinder body shell (102) is provided with a first external thread, the first external thread is matched with the first internal thread, and the cylinder body shell (102) is screwed in the butt joint cavity (622) and tightly presses the first sealing rubber ring (201).

4. The flashlight housing (100) of any of claims 1-3 wherein: the lamp holder structure (101) comprises a lamp holder shell (62) and a lamp cover (61), the butt joint cavity (622) is formed in one end of the lamp holder shell (62), the light emitting cavity (621) is formed in the other end of the lamp holder shell (62), a second sealing groove (2021) is formed in the side surface of the lamp cover, a second sealing rubber ring (202) is arranged in the second sealing groove (2021), and the lamp cover (61) is connected to the opening of the light emitting cavity (621) in a splicing mode and is extruded together with the cavity wall of the light emitting cavity (621) to form the second sealing rubber ring (202).

5. The flashlight housing (100) of claim 4 wherein: the second sealing rubber ring (202) is integrally formed with the lamp cap shell (62); or the second sealing rubber ring (202) is integrally formed with the lamp cover (61).

6. The flashlight housing (100) of claim 4 wherein: the flashlight casing (100) still includes third sealed rubber ring (203), the spacing groove has been seted up on the chamber wall in luminous chamber (621), third seal groove (2031) has been seted up to the tank bottom of spacing groove, third sealed rubber ring (203) are located third seal groove (2031) and with lamp holder casing (62) integrated into one piece, second internal thread (623) have been seted up on the chamber wall in luminous chamber (621), second external thread (611) have been seted up to the side all around of lamp holder lid, lamp holder lid spiro union in luminous chamber (621) and extrusion third sealed rubber ring (203).

7. The flashlight housing (100) of any of claims 1-3 wherein: the intercommunication is seted up on the surface of stack shell casing (102) button hole (1024) of holding chamber (1021), button hole (1024) department is equipped with button structure (10), and button structure (10) include shift knob (11) and the connection of being made by flexible and material that can take place elastic deformation shift knob (11) and be located trigger piece (12) in holding chamber (1021), the edge connection of shift knob (11) the drill way edge of button hole (1024) and with stack shell casing (102) integrated into one piece, shift knob (11) take place elastic deformation and drive under the effect of outside pressure trigger piece (12) remove.

8. The flashlight housing (100) of any of claims 1-3 wherein: the cylinder body shell (102) is connected with one end of the tail cover (103) and is further provided with a light guide hole (501), a light guide column is arranged in the light guide hole (501), an annular groove (1026) is formed in the side surface of the light guide column, an annular protrusion (55) is arranged on the wall of the light guide hole (501) in a protruding mode towards the inside of the annular groove (1026), and the light guide column and the cylinder body shell (102) are integrally formed.

9. The flashlight housing (100) of any of claims 1-3 wherein: the flashlight casing (100) further comprises a fourth sealing rubber ring (204), the tail cover (103) presses the fourth sealing rubber ring (204) towards the barrel casing (102), and the fourth sealing rubber ring (204) and the tail cover (103) are integrally formed, or the fourth sealing rubber ring (204) and the barrel casing (102) are integrally formed.

10. A flashlight comprising a flashlight housing (100) of any of claims 1-9, the flashlight further comprising a main circuit board (53) disposed within the receiving cavity (1021) and an electronic switch (1023) disposed on the main circuit board (53).

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