CN114046461A - Tail cover and tail cover assembly - Google Patents
Tail cover and tail cover assembly Download PDFInfo
- Publication number
- CN114046461A CN114046461A CN202111458103.9A CN202111458103A CN114046461A CN 114046461 A CN114046461 A CN 114046461A CN 202111458103 A CN202111458103 A CN 202111458103A CN 114046461 A CN114046461 A CN 114046461A
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- Prior art keywords
- circuit board
- tail cover
- limiting
- base body
- charging
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- 230000005611 electricity Effects 0.000 abstract description 6
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L4/00—Electric lighting devices with self-contained electric batteries or cells
- F21L4/005—Electric lighting devices with self-contained electric batteries or cells the device being a pocket lamp
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L4/00—Electric lighting devices with self-contained electric batteries or cells
- F21L4/08—Electric lighting devices with self-contained electric batteries or cells characterised by means for in situ recharging of the batteries or cells
- F21L4/085—Pocket lamps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
- F21V23/007—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array enclosed in a casing
- F21V23/009—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array enclosed in a casing the casing being inside the housing of the lighting device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
Abstract
The application relates to the technical field of lighting equipment, and discloses a tail cover and tail cover subassembly, and in tail cover and tail cover subassembly were applied to the flashlight, the flashlight included stack shell, tail cover, circuit board and built-in power supply, and wherein, built-in power supply was located the inside of stack shell, and the tail cover is connected and is sealed in the stack shell. The built-in power supply electricity is connected in the circuit board, and the tailcap sets up the contact of charging and is used for connecting the through-hole of the interface that charges, realizes the multiple charge and discharge function of flashlight, and the tailcap can carry out spacing and fixed effectively to the circuit board, and the circuit board, the contact of charging and the interface isotructure that charges can integrate in the tailcap formation tailcap subassembly, and the assembly of being convenient for and make full use of flashlight inner space optimize structural layout, help the miniaturized structural design of flashlight.
Description
Technical Field
The application relates to the technical field of lighting equipment, in particular to a tail cover and a tail cover assembly.
Background
The flashlight is a lighting device widely used in modern society, is suitable for various occasions due to its small and exquisite portable characteristics, realize taking the function of instant use promptly through built-in power supply and circuit board, in the correlation technique, some flashlights adopt rechargeable built-in power supply, and set up the interface that charges at the flashlight stack shell and realize the charge-discharge connection of built-in power supply, therefore, the inside connecting piece that needs to set up multiple subassembly and be used for fixed subassembly of stack shell of flashlight, but the flashlight charge-discharge mode of this scheme is single, and the flashlight inner structure overall arrangement is unreasonable, the shared inner space of inside each subassembly and connecting piece is great, be difficult to satisfy the flashlight small and exquisite, light user demand.
Disclosure of Invention
The present application is directed to solving at least one of the problems in the prior art. Therefore, the application provides a tail cover, can realize multiple charge-discharge function to carry out spacing and fixed effectively to the circuit board.
The application also provides a tail cover assembly comprising the tail cover.
According to the tail cover of the embodiment of the first aspect of the application, the tail cover comprises:
the charging device comprises a base body, a first side surface and a second side surface are arranged on two opposite sides of the base body, a charging contact and a through hole are arranged on the base body, the charging contact is exposed out of the first side surface and can be electrically connected with a circuit board, and the through hole penetrates through the first side surface and the second side surface and is used for installing a charging interface;
the limiting part is arranged on the second side surface of the base body and comprises a limiting groove, and the limiting groove is used for accommodating one end of the circuit board;
the connecting part is arranged on the second side surface of the base body and corresponds to the position of the limiting part, and the connecting part is used for connecting the circuit board in the limiting groove.
The tail cover of the embodiment of the first aspect of the application has at least the following beneficial effects: set up the contact that charges and be used for installing the through-hole of the interface that charges on the tail cover, realize multiple charge-discharge function to correspond and set up spacing portion and connecting portion, when being applied to the flashlight, just can carry out spacing and fixed effectively to the circuit board with the help of spacing portion and the connecting portion of tail cover, need not set up the connecting piece in addition, thereby optimize flashlight inner structure overall arrangement, help the miniaturized development of flashlight.
According to some embodiments of the present application, a conductive member is disposed on the second side surface of the base, one end of the conductive member is disposed in the base and exposed to the first side surface of the base to form the charging contact, and the other end of the conductive member is configured to be electrically connected to the circuit board; or, the tail cover further includes a conductive member, the charging contact is disposed in the base, the charging contact is exposed out of the first side surface of the base, the charging contact is connected to one end of the conductive member on the second side surface of the base, and the other end of the conductive member is used for electrically connecting with the circuit board; the other end of the conductive piece is provided with a clamping portion, and the clamping portion is used for being clamped with the circuit board.
According to some embodiments of the application, the limiting portion comprises a boss protruding from the second side surface of the base body, the boss is provided with the limiting groove, and the limiting groove extends in a direction perpendicular to the second side surface.
According to some embodiments of the application, the limiting part comprises two bosses which are arranged in opposite directions, one sides of the bosses which face each other are respectively provided with a clamping groove, and the two clamping grooves which face each other limit the limiting groove.
According to some embodiments of the application, the connecting portion comprises a retaining buckle protruding from the second side of the base body, the retaining buckle having a hook relative to a distal end of the base body.
According to some embodiments of the application, the base member the second side still is provided with the lateral wall, the base member with the lateral wall surrounds and encloses into the court perpendicular to second side open-ended cavity, spacing portion with connecting portion all are located in the cavity, the base member or be provided with the installation department on the lateral wall, the installation department is used for connecting the stack shell of flashlight.
According to some embodiments of the application, the contact that charges with the through-hole set up relatively in on the base member, through-hole department is connected with the interface that charges, charge the interface with the circuit board electricity is connected.
According to some embodiments of the present application, the position of the base corresponding to the charging contact and the through hole is provided with the limiting portions, the position of the second side surface of the base corresponding to the limiting portions is provided with the connecting portions, the limiting grooves of the limiting portions are used for accommodating one end of one circuit board, and the connecting portions are used for connecting the circuit boards in the limiting grooves.
The tailcap assembly of the second aspect of the present application includes:
in the tail cover of the embodiment of the first aspect, the through hole is connected with a charging interface;
the circuit board, one end joint in the tail-hood in the spacing groove, the circuit board connect in the tail-hood the connecting portion, the contact that charges with the interface that charges with the circuit board electricity is connected.
The tail cover assembly of the embodiment of the second aspect of the application has at least the following advantages: built-in power supply connects in the circuit board, and the circuit board with the contact that charges, the interface electricity that charges is connected, realizes multiple charge-discharge function from this, can improve the suitability and the convenience of flashlight, and the tail-hood can the closing cap stack shell to the circuit board is fixed in on the tail-hood, forms the module that can assemble alone, and the inside connecting piece that need not of flashlight stack shell has reduced occuping of flashlight inner space.
According to some embodiments of the present application, the tail cap assembly includes two circuit boards, which are a first circuit board and a second circuit board, respectively, the position corresponding to the charging contact and the through hole on the base is provided with the limiting portion, respectively, and the position corresponding to the limiting portion on the second side surface of the base is provided with the connecting portion, respectively; one end of the first circuit board is clamped in one limiting groove of the tail cover, and the first circuit board is connected to one connecting part of the tail cover and electrically connected with the charging contact; one end of the second circuit board is clamped in the other limiting groove of the tail cover, and the second circuit board is connected to the other connecting part of the tail cover and electrically connected with the charging interface.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The present application is further described with reference to the following figures and examples, in which:
FIG. 1 is a schematic view of a tail cap of an embodiment of the present application applied to a flashlight;
FIG. 2 is a schematic structural view of a tailcap assembly according to an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a tail cap according to an embodiment of the present application;
FIG. 4 is a schematic structural diagram of the tail cover of the embodiment of the present application cooperating with the first circuit board and the second circuit board;
FIG. 5 is an exploded view of the portion of FIG. 4;
FIG. 6 is a schematic cross-sectional view of a tail cap according to an embodiment of the present disclosure;
FIG. 7 is a schematic diagram of a conductive member in a tail cap according to an embodiment of the present application;
FIG. 8 is a partial schematic structural view of the flashlight of FIG. 1 taken along section A-A.
Reference numerals:
a barrel 100, a mounting port 110;
a first circuit board 300, a catching groove 310, a fixing hole 320;
a second circuit board 400, a built-in power supply 500, and a lamp head assembly 600.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the positional descriptions, such as the directions of up, down, front, rear, left, right, etc., referred to herein are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present application.
In the description of the present application, several means are one or more, and the above, below, within and the like are understood to include the present numbers. The description to first, second, etc. is only for the purpose of distinguishing technical features, and should not be interpreted as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.
In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.
In the description of the present application, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The body of the flashlight is usually used for arranging and connecting various components and connectors inside, one end of the body is used for fixing the lamp holder component, and the other end of the body is covered by a tail cover. And based on portable demand, the stack shell of flashlight is less usually, is restricted to this, and conventional flashlight only sets up single charge-discharge mode usually, avoids more inner assembly and connecting piece to occupy the stack shell inner space and causes the increase of whole volume, is difficult to satisfy the small and exquisite, light user demand of flashlight.
The embodiment of the application provides a tail cover, which can effectively solve the problems and provides a tail cover assembly with the tail cover. Fig. 1 is a schematic structural view of a tail cap applied to a flashlight according to an embodiment of the present invention, and fig. 2 is a schematic structural view of a tail cap assembly according to an embodiment of the present invention, referring to fig. 1 and 2, the flashlight includes a lamp cap assembly 600, a barrel 100, a tail cap 200, a circuit board and a built-in power supply 500, wherein the barrel 100 has a hollow portion therein, one end of the barrel 100 is connected to the lamp cap assembly 600, the other end of the barrel 100 is provided with a mounting port 110 communicated with the hollow portion, the built-in power supply 500 is located in the hollow portion, and the tail cap 200 is connected to the barrel 100 and covers the hollow portion at the mounting port 110. Wherein built-in power supply 500 electricity is connected in the circuit board, is provided with charging contact 213 and the interface 214 that charges on the tail-hood 200, realizes the multiple charge and discharge function of flashlight, and tail-hood 200 can be spacing and fixed effectively to the circuit board, and the circuit board, charging contact 213 and the interface 214 isotructure that charges can be integrated in tail-hood 200 formation tail-hood subassembly, and the assembly of being convenient for and make full use of flashlight inner space optimize structural layout, help the miniaturized structural design of flashlight.
Fig. 3 is a schematic structural diagram of a tail cover 200 according to an embodiment of the present application, fig. 4 is a schematic structural diagram of a tail cover 200 according to an embodiment of the present application, and referring to fig. 1 to 4, the tail cover 200 according to the first aspect of the present application includes a base 210, a limiting portion 220, and a connecting portion 230, where the limiting portion 220 and the connecting portion 230 are disposed on the base 210. The two opposite sides of the base 210 are provided with a first side surface 211 and a second side surface 212, the base 210 is provided with a charging contact 213 and a through hole 216 which can be used for connecting a charging interface 214, the charging contact 213 is exposed out of the first side surface 211 and can be electrically connected with a circuit board, the through hole 216 penetrates through the first side surface 211 and the second side surface 212 and can be used for connecting the charging interface 214, and the charging interface 214 can be connected with the circuit board. The circuit board is used to connect the built-in power supply 500 of the flashlight to enable charging of the built-in power supply 500.
The second side 212 of the base 210 is correspondingly provided with a limiting portion 220 and a connecting portion 230, which can limit and fix the circuit board, and the connecting portion 230 is disposed on the second side 212 at a position corresponding to each limiting portion 220. The position-limiting portion 220 may include a position-limiting groove 221 extending in a direction perpendicular to the second side surface 212, and the position-limiting groove 221 is configured to receive an end of the circuit board, so that the circuit board can be positioned on the base 210 in the direction perpendicular to the second side surface 212, thereby limiting the movement of the circuit board along the surface of the base 210. The connecting portion 230 is used for connecting the circuit board in the limiting groove 221, so that the circuit board can be fixed on the base 210. Therefore, when the tail cap 200 is applied to the flashlight, the charging interface 214 and the charging contact 213 realize various charging and discharging functions, the charging interface 214 can realize the plug-in charging and discharging function, the charging contact 213 can realize the contact charging and discharging function, the circuit board can be effectively limited and fixed by the tail cap 200, no additional connecting piece is needed, the occupation of the inner space of the flashlight body 100 is reduced, the internal structural layout of the flashlight is optimized, and the miniaturization development of the flashlight is facilitated.
In the embodiment, in the flashlight using the tail cap 200, the charging contact 213 and the charging interface 214 connected to the through hole 216 may share a circuit board, so that only one position-limiting portion 220 and one connecting portion 230 need to be disposed on the base 210 of the tail cap 200. Alternatively, one circuit board may be provided for charging contact 213 and charging interface 214 connected to through hole 216, respectively, and some embodiments are described below in the application of tail cap 200 to a flashlight provided with two circuit boards: the second side 212 of the base 210 is provided with a position-limiting portion 220 corresponding to the charging contact 213 and the charging interface 214, and the base 210 is provided with a connecting portion 230 corresponding to each position-limiting portion 220. Therefore, the position-limiting portion 220 and the connecting portion 230 of the second side surface 212 of the base 210 can limit and fix the two circuit boards, and for convenience of description, the two circuit boards are distinguished by the first circuit board 300 and the second circuit board 400, and are respectively used for being electrically connected with the charging contact 213 and the charging interface 214. The position-limiting portion 220 includes position-limiting grooves 221 extending in a direction perpendicular to the second side surface 212, and each position-limiting groove 221 is used for accommodating one end of the first circuit board 300 and one end of the second circuit board 400, respectively, so that the first circuit board 300 and the second circuit board 400 can be positioned on the base 210 from the direction perpendicular to the second side surface 212, thereby limiting the movement of the circuit boards along the surface of the base 210. Each of the connecting portions 230 is used to connect the first circuit board 300 and the second circuit board 400 in the corresponding one of the limiting grooves 221, so that the first circuit board 300 and the second circuit board 400 can be fixed on the base 210. Therefore, when tail-hood 200 is applied to the flashlight, the interface 214 that charges and the contact 213 that charges realize multiple charge-discharge function, just can carry out effectual spacing and fixed to first circuit board 300 and second circuit board 400 with the help of tail-hood 200, need not set up the connecting piece in addition, reduced the occupation of stack shell 100 inner space to optimize flashlight inner structure overall arrangement, help the miniaturized development of flashlight.
In addition, when the tail cap 200 of the embodiment is applied to a flashlight, the tail cap 200 is connected to one end of the barrel 100, and the length direction of the barrel 100 is perpendicular to the first side surface 211 of the base 210, so that the limiting groove 221 extending in the direction perpendicular to the base 210 can limit a circuit board in the length direction of the barrel 100, the circuit board in the barrel 100 can extend in the length direction of the barrel 100 and is limited and fixed by the tail cap 200, the charging contact 213 and the charging interface 214 for charging on the tail cap 200 are also convenient to be connected with the first circuit board 300 and the second circuit board 400, and the tail cap 200 covers one end of the barrel 100, so that the layout in the length direction of the barrel 100 can be formed, the space in the length direction of the barrel 100 is reasonably utilized, and the barrel 100 can be kept in a smaller radial size, so that a user can carry or use the flashlight by hand.
Referring to fig. 2 and 4, in some embodiments, the charging contact 213 and the through hole 216 for connecting the charging interface 214 are oppositely disposed on the base 210, so that the charging contact 213 and the charging interface 214 have a set distance therebetween, and thus do not interfere with each other, and the first circuit board 300 and the second circuit board 400 are conveniently disposed, thereby avoiding structural interference. The first side surface 211 of the base 210 may be provided with a notch 215 recessed downward perpendicular to the first side surface 211, and the charging contact 213 is disposed in the notch 215, so that the charging contact 213 can be exposed out of the base 210 from the notch 215 to contact with a contact charger for charging, and an exposed portion of the charging contact 213 may be located in the notch 215 and the exposed height is not greater than the depth of the notch 215, thereby preventing the charging contact 213 from protruding out of the first side surface 211 of the base 210 to affect flatness, and preventing the charging contact 213 from being rubbed to affect charging and discharging performance. The charging interface 214 is located beside the charging contact 213, and an opening of the charging interface 214 is exposed at the first side 211 of the base 210 for inserting a connector, in some embodiments, the charging interface 214 may be a conventional interface, such as a Type-C interface, a USB interface, or a DC interface.
In the above embodiment, the charging contact 213 may be implemented in various ways, for example:
fig. 5 is a partial exploded view of fig. 4, fig. 6 is a schematic cross-sectional view of a tail cap 200 according to an embodiment of the present invention, fig. 7 is a schematic structural view of a conductive member 240 in the tail cap 200 according to an embodiment of the present invention, referring to fig. 4 to 6, the conductive member 240 may be disposed on the base 210, one end of the conductive member 240 is disposed in the base 210 and exposed to the first side surface 211 of the base 210 to form a charging contact 213, the other end of the conductive member 240 and the limiting portion 220 are disposed on the second side surface 212 of the base 210, and the other end of the conductive member 240 is configured to be electrically connected to the first circuit board 300, so that the charging contact 213 is contacted by a contact charger, thereby charging an internal power supply 500 connected to the first circuit board 300 in the flashlight. Referring to fig. 6 and 7, one end of the conductive member 240, which is disposed in the base 210, may be provided with a bent connection end 241, and one side of the connection end 241 is exposed to the first side surface 211 of the base 210 to form the charging contact 213. The first bending portion 242 is disposed on a side of the connection end 241 facing away from the charging contact 213, so that an area and strength of a portion built in the base 210 can be increased, and stability of connection between the conductive member 240 and the base 210 can be improved. Specifically, the conductive member 240 may be a sheet structure made of a conductive material, and one end of the conductive member 240 is bent to form the connection terminal 241. The base body 210 can be manufactured by an injection molding process, and one end of the conductive member 240 and the base body 210 are molded into an integral structure, so that the stable connection between the conductive member 240 and the base body 210 is ensured, the assembly process of the conductive member 240 can be omitted during the assembly of the flashlight, and the assembly cost can be reduced to a certain extent.
Alternatively, the charging contact 213 and the conductive member 240 are provided as two separate structural members (not shown), for example, the charging contact 213 is disposed in the base 210 and exposed from the first side surface 211 of the base 210 for charging, the charging contact 213 is connected to the conductive member (not shown) at the second side surface 212 of the base 210, the conductive member 240 is used for electrically connecting with the first circuit board 300, and the charging contact 213 and the conductive member 240 may be made of conductive materials, respectively. In this embodiment, the charging contact 213 and the base 210 may be formed as a single body by injection molding, and one end of the conductive member 240 may be connected by welding, riveting, or the like. The other end of the conductive member 240 can be electrically connected to the first circuit board 300 positioned in the stopper groove 221, so that the built-in power supply 500 connected to the first circuit board 300 can be charged by a contact type charger.
In some embodiments, referring to fig. 5 to 7, one end of the conductive member 240 for connecting the first circuit board 300 may further be provided with a clamping portion 243, the clamping portion 243 is used for clamping with the first circuit board 300, and it should be noted that a structure for matching with the clamping portion 243 to clamp with the first circuit board 300 may be correspondingly provided on the first circuit board 300, so as to facilitate the clamping between the two. For example, the conductive member 240 extends from the second side surface 212 of the base 210 toward a direction away from the base 210, a clamping portion 243 is disposed on one side of the conductive member 240 facing the first circuit board 300, the clamping portion 243 includes a plurality of clamping jaws, correspondingly, on the first circuit board 300 positioned by the limiting groove 221, a catching groove 310 may be disposed at a position corresponding to the clamping portion 243, and a charging circuit connection structure is disposed in the catching groove 310, so that, when the first circuit board 300 is assembled on the base 210 of the tail cover 200, the conductive member 240 can be clamped with the catching groove 310 of the first circuit board 300 by the clamping jaws and electrically connected with the charging circuit, the clamping jaws and the catching groove 310 can effectively avoid relative movement between the connection end 241 and the first circuit board 300, thereby ensuring stability of electrical connection between the conductive member 240 and the first circuit board 300. In addition, the conductive member 240 may be a thin sheet structure made of a metal material, and an elastic metal spring is formed, and a second bending portion 244 bent toward the first circuit board 300 is disposed between the clamping portion 243 and the charging contact 213, so that the clamping portion 243 can be abutted against the first circuit board 300 and can be clamped with the first circuit board 300 by means of elasticity, and stability of electrical connection between the conductive member 240 and the first circuit board 300 is further ensured.
For the connection of the circuit board, in the related art, the circuit board is easy to loosen and generate displacement due to the unreliable connection of the circuit board in the flashlight, so that the unreliable circuit connection is realized, and the normal use of the flashlight is influenced. In the tail cover 200 of the embodiment of the application, referring to fig. 3 to 5, the limiting portion 220 is disposed on the second side surface 212 of the base 210, and can limit the first circuit board 300 and the second circuit board 400 to move in the direction perpendicular to the second side surface 212, so that the first circuit board 300 and the second circuit board 400 can be installed in the limiting groove 221 in the direction perpendicular to the second side surface 212, and the limiting groove 221 can effectively prevent the two from moving in the direction of the second side surface 212. On this basis, the second side surface 212 of the base 210 is further provided with the connecting portion 230, so that the first circuit board 300 and the second circuit board 400 are fixed, the positions of the first circuit board 300 and the second circuit board 400 in the direction perpendicular to the second side surface 212 are limited, the first circuit board 300 and the second circuit board 400 are effectively fixed, and the reliability of circuit connection is improved.
Some connection modes of the tail cap 200 to the first circuit board 300 and the second circuit board 400 are described below by taking the limitation and connection of the first circuit board 300 as an example:
referring to fig. 3 and 4, in some embodiments, the limiting groove 221 is disposed on the second side surface 212 of the base 210 and extends toward the first side surface 211 along a direction perpendicular to the second side surface 212, an extending length of the limiting groove 221 is based on being capable of effectively limiting the first circuit board 300, a thickness of the base 210 (a distance between the first side surface 211 and the second side surface 212) is greater than the extending length of the limiting groove 221, so that the first circuit board 300 can be supported at a groove bottom, and a connecting portion 230 for connecting the first circuit board 300 is disposed beside the limiting groove 221, thereby effectively fixing the first circuit board 300. The limiting portion 220 and the connecting portion 230 on the base 210 for limiting and fixing the second circuit board 400 are the same as described above.
Referring to fig. 3 and 4, in some other embodiments, the position-limiting portion 220 includes a boss 222 protruding from the second side surface 212 of the base 210, the boss 222 is provided with the position-limiting groove 221, the position-limiting groove 221 extends in a direction perpendicular to the second side surface 212, one end of the first circuit board 300 can be inserted into the position-limiting groove 221 and abut against the second side surface 212 of the base 210, so as to achieve position limitation, the boss 222 can ensure that the position-limiting groove 221 has a proper extending length so as to effectively limit the first circuit board 300, and the height of the protrusion of the boss 222 is determined by the extending length of the position-limiting groove 221, which is required for limiting the first circuit board 300. Therefore, the thickness of the base 210 can be reduced while ensuring the strength, thereby saving the material and reducing the weight of the tail cap 200. Wherein:
spacing portion 220 can include the boss 222 that two set up in opposite directions, one side that two bosses 222 faced each other is provided with draw-in groove 223 respectively, the position of draw-in groove 223 corresponds each other and draw-in groove 223 one side of facing each other has the opening, open-ended width is not less than first circuit board 300's thickness, spacing groove 221 is injectd to two draw-in grooves 223 of facing each other, therefore, the both sides border of first circuit board 300 can insert in the draw-in groove 223, can be under the effective spacing prerequisite of first circuit board 300 of assurance, reduce the friction between first circuit board 300 and boss 222, reduce the assembly degree of difficulty, and can reduce boss 222's material quantity. The limiting portion 220 and the connecting portion 230 on the base 210 for limiting and fixing the second circuit board 400 are the same as those described above, so the base 210 has four bosses 222, wherein the two bosses 222 have card slots 223 for inserting the first circuit board 300, the other two bosses 222 have card slots 223 for inserting the second circuit board 400, the four bosses 222 may be distributed in central symmetry relative to the middle of the base 210, and the distance between the four bosses 222 may be determined according to the size of the base 210, the size of the circuit board to be positioned, and the size of the internal power supply 500 to be installed.
Alternatively, each of the limiting portions 220 may include a boss, on which the limiting groove 221 is disposed, and the boss may be understood as the aforementioned two bosses 222 disposed opposite to each other to form one boss, the boss has a size enough to accommodate one limiting groove 221, and the limiting groove 221 may be configured as a groove structure capable of completely accommodating the end portion of the first circuit board 300. The same applies to the limiting portion 220 and the connecting portion 230 on the base 210 for limiting and fixing the second circuit board 400, so that the base 210 has two bosses, the limiting groove 221 provided on each boss can be used for limiting the first circuit board 300 and the second circuit board 400, the two bosses are arranged oppositely and spaced from each other, and the spacing distance can be determined according to the size of the base 210 and the size of the internal power supply 500 to be installed.
Referring to fig. 3 and 5, in some embodiments, the connection portion 230 includes a fixing buckle 231 protruding from the second side surface 212 of the base 210, and the fixing buckle 231 has a hook 232 at a distal end relative to the base 210, and the hook 232 is used for being buckled with the first circuit board 300. Correspondingly, on the first circuit board 300 positioned by the limiting groove 221, a fixing hole 320 can be arranged at a position corresponding to the hook 232, therefore, when the first circuit board 300 is assembled in the limiting groove 221, the fixing buckle 231 can be clamped with the fixing hole 320 of the first circuit board 300 through the hook 232, so that the first circuit board 300 is prevented from moving relative to the limiting groove 221 and separating from the limiting groove 221, the fixed connection of the first circuit board 300 is realized, and the stability of the electric connection of the first circuit board 300 is ensured. The connection portion 230 of the base 210 for fixing the second circuit board 400 is the same as described above. In addition, the joint of the fixing buckle 231 and the second side 212 of the base 210 can be further provided with a reinforcing rib 233, which can increase the strength of the fixing buckle 231 and effectively prevent the fixing buckle 231 from being broken to influence the fixing of the first circuit board 300 and the second circuit board 400.
Based on the above embodiment, referring to fig. 3 and fig. 6, the second side surface 212 of the base 210 may further be provided with a side wall 250, the base 210 and the side wall 250 enclose a cavity with an opening on one side, and the position-limiting portion 220 and the connecting portion 230 are both located in the cavity, and the opening faces a direction perpendicular to the second side surface 212, so that the first circuit board 300 and the second circuit board 400 can be connected to the position-limiting portion 220 and the connecting portion 230 from the opening in a direction perpendicular to the second side surface 212 of the base 210. The base 210 or the sidewall 250 has a mounting portion 260, and the mounting portion 260 is used to connect to the flashlight body 100. Therefore, when the tail cap 200 is applied to the flashlight, the structure is formed to be installed along the length direction of the barrel body 100, so that the installation is convenient and the space utilization rate is improved. The mounting portion 260 may include a plurality of mounting holes, and correspondingly, a threaded hole may be formed in the barrel 100 of the flashlight, and the tail cap 200 may be fixedly connected to the barrel 100 by screwing the threaded fastener 270 into the threaded hole through the mounting hole. In some embodiments, referring to fig. 2 and 3, the mounting hole may be disposed on a boss 222 of the base 210, the mounting hole penetrates through the boss 222, so that the connection operation of the tail cover 200 can be performed from the first side 211 of the base 210, and the boss 222 can enhance the strength of the mounting hole to ensure that the tail cover 200 is stably connected to the barrel 100.
Fig. 8 is a partial structural schematic view of the flashlight in fig. 1, taken along a section a-a, and referring to fig. 1, fig. 2 and fig. 8, in the above embodiment, a limiting rib 251 may be further disposed on a side wall 250 of the tail cap 200 at a distal end relative to the second side surface 212, and the limiting rib 251 is used for abutting against an inner wall of the barrel 100 when being installed, so as to achieve positioning of the tail cap 200. The position-limiting protrusion 251 may be formed in a full circle on the sidewall 250, or may be intermittently disposed on the sidewall 250 in multiple segments. In this embodiment, the barrel 100 of the flashlight is cylindrical, so the sidewall 250 of the tail cap 200 is also cylindrical, and correspondingly, the limiting protrusion 251 has an arc-shaped structure, so as to cooperate with the barrel 100 to limit the tail cap 200.
In addition, referring to fig. 1, the tail cap 200 may further include a string hanging hole 280, wherein one end of the string hanging hole 280 penetrates the first side surface 211 of the base 210, and the other end penetrates the side wall 250. The hanging rope hole 280 can be provided with a hanging rope for carrying or hanging storage.
Referring to fig. 4 to 8, the tail cover assembly of the second embodiment of the present application includes a tail cover 200 and a circuit board, where the tail cover 200 is the tail cover 200 of the first embodiment, and a charging interface 214 is connected to a through hole 216 on the tail cover 200. Thus, charging and discharging can be realized through the charging contact 213 and the charging interface 214. In the tail cover assembly of this embodiment, only one circuit board may be disposed on the tail cover 200, and therefore, only one of the limiting portion 220 and the connecting portion 230 may be disposed on the tail cover, one end of the circuit board is clamped in the limiting groove 221 of the limiting portion 220 and connected to the connecting portion 230, and the circuit board is electrically connected to the charging contact 213 and the charging interface 214, thereby implementing multiple charging and discharging functions. Specifically, the position-limiting portion 220 and the connecting portion 230 may be disposed on the tail cover 200 corresponding to the position of the charging contact 213, the charging contact 213 may be electrically connected to the circuit board in the manner of the foregoing embodiment, and the charging interface 214 disposed on the opposite side of the charging contact 213 may be electrically connected to the circuit board in the manner of an electrical conducting strip, a conducting wire, and the like, and the connection manner is not limited. And the circuit board is fixed in on tail-hood 200, forms the module that can assemble alone, can pack into barrel 100 inside along flashlight barrel 100 length direction, and the flashlight barrel 100 is inside need not to set up the connecting piece, has reduced the occupation of flashlight inner space to optimize barrel 100 internal layout, help the miniaturized design of flashlight.
In some other embodiments, two circuit boards may be further provided to connect the charging contact 213 and the charging interface 214, referring to fig. 4 and 5, the tail cover assembly includes a tail cover 200, a first circuit board 300, and a second circuit board 400, the tail cover 200 is the tail cover 200 of the first embodiment, and the charging interface 214 is connected to the through hole 216 on the tail cover 200. One end of the first circuit board 300 is clamped in one of the limiting grooves 221 of the tail cover 200 and connected to one of the connecting portions 230 of the tail cover 200, and the first circuit board 300 is electrically connected to the charging contact 213. The one end joint of second circuit board 400 is in another spacing groove 221 of tail-hood 200, and be connected in another connecting portion 230 of tail-hood 200, second circuit board 400 is connected with the interface 214 electricity that charges, realize multiple charge-discharge function from this, and two circuit boards are fixed in on tail-hood 200, form the module that can assemble alone, can follow flashlight stack shell 100 length direction and pack into inside stack shell 100, the inside connecting piece that need not to set up of flashlight stack shell 100, the occupation of flashlight inner space has been reduced, thereby optimize the inside overall arrangement of stack shell 100, help the miniaturized design of flashlight.
The embodiment of the present application further provides a flashlight with the above tail cap assembly, which includes a barrel 100, a tail cap assembly and a built-in power supply 500, wherein a hollow portion is formed inside the barrel 100, a lamp cap assembly 600 is disposed at one end of the barrel 100, a light source module is disposed in the lamp cap assembly 600, a mounting port 110 communicated with the hollow portion is disposed at the other end of the lamp cap assembly 600, the built-in power supply 500 is located in the hollow portion and electrically connected to the first circuit board 300 and the second circuit board 400, the tail cap 200 is connected to the barrel 100 and covers the hollow portion at the mounting port 110, the tail cap 200 adopts the tail cap 200 of the first aspect embodiment, one end of the first circuit board 300 is clamped in one limiting groove 221 of the tail cap 200 and connected to one connecting portion 230 of the tail cap 200, the other end of the first circuit board 300 is located in the hollow portion, and the first circuit board 300 is electrically connected to the charging contact 213. One end of the second circuit board 400 is clamped in the other limiting groove 221 of the tail cap 200 and connected to the other connecting portion 230 of the tail cap 200, and the other end is located in the hollow portion, the second circuit board 400 is electrically connected to the charging interface 214, thereby implementing a plurality of charging and discharging functions, and as can be seen from the foregoing, the first circuit board 300 and the second circuit board 400 can be connected through the tail cap 200 first during assembly, or the first circuit board 300, the second circuit board 400 and the built-in power supply 500 can be connected through the tail cap 200 first, and then are installed into the hollow portion of the barrel 100 along the length direction of the barrel 100, and the mounting port 110 of the barrel 100 is sealed by the tail cap 200, so that the assembly is convenient, and other connecting members for connecting the first circuit board 300, the second circuit board 400 or the built-in power supply 500 are not required to be arranged, thereby reducing the occupation of the inner space of the flashlight, optimizing the inner layout of the barrel 100, and contributing to reducing the volume of the barrel 100, the use requirements of the flashlight which is small and exquisite and light are met.
In this embodiment, the charging contact 213 and the charging interface 214 are oppositely disposed on the base 210 of the tail cover 200, and have a set distance therebetween, so that they do not affect each other, and are convenient for the first circuit board 300 and the second circuit board 400 to be disposed, and the internal power supply 500 may be disposed between the first circuit board 300 and the second circuit board 400, so that the connection between the internal power supply 500 and the two circuit boards is facilitated, and the effective utilization of space is achieved.
In some embodiments of the flashlight, the tail cap assembly may be configured with only one circuit board, the charging contact 213 may be electrically connected to the circuit board by the method of the previous embodiment, and the charging interface 214 may be electrically connected to the circuit board by an electrical conducting strip, a conducting wire, etc., so as to save the number of circuit boards and the internal space, and facilitate the compact design of the flashlight.
According to the embodiment, the tail cover assembly and the flashlight with the tail cover assembly have the advantages that various charging and discharging functions are achieved, the internal structure layout of the flashlight is optimized, the miniaturization development of the flashlight is facilitated, and the requirements for small size and light use are met.
The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present application. Furthermore, the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
Claims (10)
1. The tail-hood for closing off the barrel of the flashlight, characterized in that includes:
the charging device comprises a base body (210), wherein a first side surface (211) and a second side surface (212) are arranged on two opposite sides of the base body (210), a charging contact (213) and a through hole (216) are arranged on the base body (210), the charging contact (213) is exposed out of the first side surface (211) and can be electrically connected with a circuit board, and the through hole (216) penetrates through the first side surface (211) and the second side surface (212) and is used for installing a charging interface (214);
the limiting part (220) is arranged on the second side surface (212) of the base body (210), the limiting part (220) comprises a limiting groove (221), and the limiting groove (221) is used for accommodating one end of the circuit board;
the connecting part (230) is arranged on the second side surface (212) of the base body (210) and corresponds to the position of the limiting part (220), and the connecting part (230) is used for connecting the circuit board in the limiting groove (221).
2. The tail cover according to claim 1, wherein a conductive member (240) is disposed on the second side surface (212) of the base body (210), one end of the conductive member (240) is disposed inside the base body (210) and exposed to the first side surface (211) of the base body (210) to form the charging contact (213), and the other end of the conductive member (240) is used for electrically connecting with the circuit board;
or, the tail cover (200) further includes a conductive member (240), the charging contact (213) is disposed in the base (210), the charging contact (213) is exposed out of the first side surface (211) of the base (210), the charging contact (213) is connected to one end of the conductive member (240) on the second side surface (212) of the base (210), and the other end of the conductive member (240) is configured to be electrically connected to the circuit board;
the other end of the conductive piece (240) is provided with a clamping part (243), and the clamping part (243) is used for being clamped with the circuit board.
3. The tailcap according to claim 1, wherein the limiting portion (220) includes a boss (222) protruding from the second side surface (212) of the base (210), the boss (222) having the limiting groove (221) disposed thereon, the limiting groove (221) extending in a direction perpendicular to the second side surface (212).
4. The tail cover according to claim 3, characterized in that the limiting part (220) comprises two bosses (222) which are arranged opposite to each other, one sides of the two bosses (222) which face each other are respectively provided with a clamping groove (223), and the two clamping grooves (223) which face each other define the limiting groove (221).
5. The tailcap according to claim 1, characterized in that the connecting portion (230) comprises a retaining buckle (231) protruding from the second side (212) of the base body (210), the retaining buckle (231) having a hook (232) at a distal end with respect to the base body (210).
6. The tail cover according to claim 1, characterized in that the second side surface (212) of the base body (210) is further provided with a side wall (250), the base body (210) and the side wall (250) enclose a cavity which is open towards the direction perpendicular to the second side surface (212), the position limiting portion (220) and the connecting portion (230) are both located in the cavity, a mounting portion (260) is provided on the base body (210) or the side wall (250), and the mounting portion (260) is used for connecting a flashlight body.
7. The tail cover according to any one of claims 1 to 6, characterized in that the charging contact (213) and the through hole (216) are oppositely arranged on the base body (210), a charging interface (214) is connected to the through hole (216), and the charging interface (214) is electrically connected with the circuit board.
8. The tail cover according to claim 7, wherein the base body (210) is provided with the position limiting portions (220) at positions corresponding to the charging contacts (213) and the through holes (216), the second side surface (212) of the base body (210) is provided with the connecting portions (230) at positions corresponding to the position limiting portions (220), the limiting grooves (221) of the limiting portions (220) are respectively used for accommodating one end of a circuit board, and the connecting portions (230) are used for connecting the circuit boards in the limiting grooves (221).
9. A tail cap assembly, comprising:
the tailcap (200) as claimed in any one of claims 1 to 8, wherein a charging interface (214) is connected to the through hole (216);
one end of the circuit board is clamped in the limiting groove (221) of the tail cover (200), the circuit board is connected to the connecting portion (230) of the tail cover (200), and the charging contact (213) and the charging interface (214) are electrically connected with the circuit board.
10. The tailcap assembly according to claim 9, comprising two circuit boards, namely a first circuit board (300) and a second circuit board (400), wherein the position of the base body (210) corresponding to the charging contact (213) and the through hole (216) is provided with the position limiting portion (220), and the position of the second side surface (212) of the base body (210) corresponding to the position limiting portion (220) is provided with the connecting portion (230);
one end of the first circuit board (300) is clamped in one limiting groove (221) of the tail cover (200), and the first circuit board (300) is connected to one connecting part (230) of the tail cover (200) and electrically connected with the charging contact (213);
one end of the second circuit board (400) is clamped in the other limiting groove (221) of the tail cover (200), and the second circuit board (400) is connected to the other connecting part (230) of the tail cover (200) and is electrically connected with the charging interface (214).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111458103.9A CN114046461B (en) | 2021-12-01 | 2021-12-01 | Tail cover and tail cover assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111458103.9A CN114046461B (en) | 2021-12-01 | 2021-12-01 | Tail cover and tail cover assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114046461A true CN114046461A (en) | 2022-02-15 |
| CN114046461B CN114046461B (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111458103.9A Active CN114046461B (en) | 2021-12-01 | 2021-12-01 | Tail cover and tail cover assembly |
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| CN (1) | CN114046461B (en) |
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| US5528472A (en) * | 1987-10-23 | 1996-06-18 | Mag Instrument, Inc. | Rechargeable miniature flashlight |
| US6296367B1 (en) * | 1999-10-15 | 2001-10-02 | Armament Systems And Procedures, Inc. | Rechargeable flashlight with step-up voltage converter and recharger therefor |
| CN201059428Y (en) * | 2007-05-16 | 2008-05-14 | 陈建民 | LED electric torch |
| CN201225523Y (en) * | 2008-07-11 | 2009-04-22 | 徐永伟 | Water-proof electric torch |
| CN101832477A (en) * | 2010-04-29 | 2010-09-15 | 海洋王照明科技股份有限公司 | Flashlight |
| US20130265749A1 (en) * | 2012-01-24 | 2013-10-10 | Tactical Impulse Llc | Modular flashlight system |
| CN213299667U (en) * | 2020-11-27 | 2021-05-28 | 深圳市爱克斯达电子有限公司 | Flashlight and tail cover thereof |
-
2021
- 2021-12-01 CN CN202111458103.9A patent/CN114046461B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5528472A (en) * | 1987-10-23 | 1996-06-18 | Mag Instrument, Inc. | Rechargeable miniature flashlight |
| US6296367B1 (en) * | 1999-10-15 | 2001-10-02 | Armament Systems And Procedures, Inc. | Rechargeable flashlight with step-up voltage converter and recharger therefor |
| CN201059428Y (en) * | 2007-05-16 | 2008-05-14 | 陈建民 | LED electric torch |
| CN201225523Y (en) * | 2008-07-11 | 2009-04-22 | 徐永伟 | Water-proof electric torch |
| CN101832477A (en) * | 2010-04-29 | 2010-09-15 | 海洋王照明科技股份有限公司 | Flashlight |
| US20130265749A1 (en) * | 2012-01-24 | 2013-10-10 | Tactical Impulse Llc | Modular flashlight system |
| CN213299667U (en) * | 2020-11-27 | 2021-05-28 | 深圳市爱克斯达电子有限公司 | Flashlight and tail cover thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114046461B (en) | 2023-11-21 |
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