CN210345351U

CN210345351U - Multifunctional flashlight tail cover

Info

Publication number: CN210345351U
Application number: CN201921766176.2U
Authority: CN
Inventors: 吴富昌
Original assignee: Guangzhou Deshun Technology Co Ltd
Current assignee: Guangzhou Deshun Technology Co Ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-04-17
Anticipated expiration: 2029-10-21

Abstract

The utility model discloses a multi-functional torch tail-hood, the front end of tail-hood shell is connected with the barrel shell of torch, first conductive spring is installed to anterior segment in the tail-hood shell, the rear end of first conductive spring is passed through the circuit board and is connected with the first end of the button switch that is located the circuit board rear is electrically conductive, the second end of button switch is connected with barrel shell is electrically conductive through the circuit board, first electrode body is located the button of button switch directly behind and can the back-and-forth movement, the front end of first electrode body is connected with first conductive spring or barrel shell is electrically conductive, the front end of second electrode body is connected with barrel shell or first conductive spring is electrically conductive, the rear end of first electrode body and the rear end of second electrode body conduct two charging ends of multi-functional torch tail-hood. The utility model discloses the structure is simple relatively, and has on-off control concurrently, charges and external on-off control function, need not set up the interface that charges moreover on barrel shell, does benefit to and improves waterproof performance, has enlarged the application scene.

Description

Multifunctional flashlight tail cover

Technical Field

The utility model relates to a torch tail-hood especially relates to a have switch control and external charger function's multi-functional torch tail-hood concurrently.

Background

With the miniaturization of batteries and bulbs, the flashlight is also gradually miniaturized, and the realization of various functions is more and more concentrated, wherein the switch control function and the charging function are important technical indexes.

The control switch of the electric torch on the market at present has two setting modes of being arranged on a shell of a cylinder body and a tail cover, and the electric torch arranged on the tail cover has two charging modes at present, wherein one mode is to take down a battery for independent charging, and the mode causes inconvenience in use; the other is that the front section of the shell of the cylinder body is provided with a charging interface, and an external charger is used for charging, so that the structure of the flashlight becomes complex, more importantly, the waterproof performance is reduced, and the use of the flashlight in rainy days or other water environments is not facilitated. Meanwhile, the existing control switch is provided with a flashlight arranged on the shell of the cylinder body, and the latter problem also exists.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the above problems and provide a multifunctional flashlight tail cover with switch control and external charger functions.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a multifunctional flashlight tail cover comprises a tail cover outer shell, wherein the front end of the tail cover outer shell is connected with a flashlight body outer shell of a flashlight, a first conductive spring is installed at the front section in the tail cover outer shell, the multifunctional flashlight tail cover further comprises a circuit board, a push-button switch, a first electrode body and a second electrode body, the circuit board is installed in the tail cover outer shell, the rear end of the first conductive spring is electrically connected with the first end of the push-button switch, the first end of the push-button switch is located behind the circuit board, the second end of the push-button switch is electrically connected with the flashlight body outer shell, the first electrode body is located right behind a push button of the push-button switch and can move back and forth, the front end of the first electrode body is electrically connected with the first conductive spring or the flashlight body outer shell, and the front end of the second electrode body is electrically connected with the flashlight body outer shell or the first conductive spring, the first electrode body and the second electrode body are insulated from each other, and the rear end of the first electrode body and the rear end of the second electrode body are used as two charging ends of the multifunctional flashlight tail cover.

Preferably, for convenience of operation and improvement of insulation and sealing performance, the first electrode body and the push button switch are both located in the middle of the tail cover outer casing, the first electrode body is a columnar conductor, the second electrode body is a cylindrical conductor, the first electrode body is located in the second electrode body, an insulating ring and a first sealing ring are arranged between the first electrode body and the second electrode body, and a second sealing ring is arranged between the second electrode body and the tail cover outer casing.

Preferably, for convenience of processing and assembly, the first electrode body is connected with the first conductive spring through a conductive strip; the second electrode body is directly connected with the tail cover outer shell in an electrically conductive mode, and the tail cover outer shell is connected with the cylinder outer shell in an electrically conductive mode, or the second electrode body is connected with a conductive metal ring through the circuit board, and the conductive metal ring is installed on the front section in the tail cover outer shell and is connected with the cylinder outer shell in an electrically conductive mode.

Specifically, the conductive strips pass through vias in the circuit board for ease of assembly.

Further, in order to improve the reliability of the reset of the first electrode body, the rear end of the conductive strip is connected with the front end of a second conductive spring, the second conductive spring is sleeved on the rear section of the push button switch, and the rear end of the second conductive spring is connected with the front end of the first electrode body.

Specifically, according to actual needs, the second end of the button switch is connected with a conductive metal ring through the circuit board, and the conductive metal ring is mounted at the front section in the tail cover shell and is in conductive connection with the cylinder shell.

The beneficial effects of the utility model reside in that:

the utility model discloses a locate the button switch in the tailcap shell, and realize rear-end switch control through first electrode body, be connected to the battery both ends through setting up first electrode body and second electrode body and corresponding electrically conductive simultaneously, so can have control torch switch and external charger to the function that the battery charges simultaneously, and simultaneously, if the line control connector is reached in the rear end of first electrode body and the rear end of second electrode body, under the prerequisite of button switch disconnection, can realize external control switch's function, for example, external mouse tail drive-by-wire function, make its application more extensive. The utility model discloses the structure is simple relatively, and has on-off control concurrently, charges and external on-off control function, need not set up the interface that charges moreover on barrel shell, does benefit to and improves waterproof performance, has enlarged the application scene.

Drawings

FIG. 1 is a sectional structural view of the multifunctional flashlight tail cap of the present invention before assembly;

fig. 2 is a sectional structure view of the multifunctional flashlight tail cover of the present invention after being assembled, and the ratio is greater than fig. 1.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1 and fig. 2, multifunctional torch tail cover includes tail cover shell 1 and installs circuit board 11, button switch 10, first electrode body 2, the electrode body 8 in tail cover shell 1, the front end of tail cover shell 1 is connected with the barrel shell (not shown) of torch, first conductive spring 13 is installed to the anterior segment in tail cover shell 1, first conductive spring 13's rear end is through circuit board 11 and the first end conductive connection of button switch 10 who is located circuit board 11 rear, button switch 10's second end pass through circuit board 11 with barrel shell conductive connection, concrete connection is: the second end of the push-button switch 10 is connected with a conductive metal ring 12 through a circuit board 11, and the conductive metal ring 12 is installed at the front section in the tail cover shell 1 through external threads and is conductively connected with the cylinder shell (after the tail cover shell 1 is connected with the cylinder shell, the rear end of the cylinder shell is tightly contacted with the conductive metal ring 12 so as to be conductively connected with the conductive metal ring 12); the first electrode body 2 and the push button switch 10 are both positioned in the middle of the tail cover outer casing 1, the first electrode body 2 is a columnar conductor, the second electrode body 8 is a cylindrical conductor, the first electrode body 2 is positioned in the second electrode body 8, an insulating ring 6 and a first sealing ring 3 are arranged between the first electrode body 2 and the second electrode body 8, a second sealing ring 7 is arranged between the second electrode body 8 and the tail cover outer casing 1, the first electrode body 2 is positioned right behind a button 9 of the push button switch 10 and can move back and forth, the front end of the first electrode body 2 is conductively connected with the rear end of a second conductive spring 4, the second conductive spring 4 is sleeved on the rear section of the push button switch 10, the front end of the second conductive spring 4 is conductively connected with the rear end of a conductive strip 5, the front end of the conductive strip 5 passes through a through hole on the circuit board 11 and then is conductively connected with the rear end of a first conductive spring 13 (the front end of the first electrode body 2 can also be conductively connected with, the front end of the second electrode body 8 is conductively connected to the cylinder housing (the second electrode body 8 may also be conductively connected to the first conductive spring 13), and the specific connection mode is as follows: the second electrode body 8 can be directly connected to the rear cover housing 1 in an electrically conductive manner, the rear cover housing 1 being connected to the cylinder housing in an electrically conductive manner, or the second electrode body 8 can also be connected to the conductive metal ring 12 via the printed circuit board 11; the first electrode body 2 and the second electrode body 8 are insulated from each other, and the rear end of the first electrode body 2 and the rear end of the second electrode body 8 are used as two charging ends of the multifunctional flashlight tail cover.

As shown in fig. 1 and 2, when in use, the tail cover shell 1 is connected with the rear end of the cylinder shell through threads, the front end of the cylinder shell is connected with the head shell, the light source and the focusing device are installed in the head shell, the battery is installed in the cylinder shell, the front end of the battery is directly connected with one power input end of the light source, and the rear end of the battery is connected with the front end of the first conductive spring. The specific working principle is specifically explained according to three using functions as follows:

the first function is: the switch control function has the working principle that: the button 9 of the button switch 10 is pushed by pressing the first electrode body 2, so that the button switch 10 is controlled; the current path is: the rear end of the battery-first conductive spring 13-circuit board 11-push button switch 10-circuit board 11-conductive metal ring 12-cartridge housing-light source-front end of the battery. The control mode can be on-off control, color control, strength control and the like.

The second function is as follows: the charging function, its theory of operation is: the rear ends of the first electrode body 2 and the second electrode body 8 are connected with an external charger to charge the battery; the current path is: the rear end of the battery-the first conductive spring 13-the conductive strip 5-the second conductive spring 4-the first electrode body 2-the charger-the second electrode body 8-the circuit board 11-the conductive metal ring 12 (the circuit board 11 and the conductive metal ring 12 can directly take the form of the tail cap housing 1) -the can housing-the light source-the front end of the battery.

The third function is: the function of external control switch, its theory of operation is: the rear ends of the first electrode body 2 and the second electrode body 8 are connected with an external drive-by-wire connector, so that the function of controlling the switch of the flashlight through the external drive-by-wire connector is realized, and the push-button switch 10 is in a disconnected state; the current path is: the rear end of the battery-the first conductive spring 13-the conductive strip 5-the second conductive spring 4-the first electrode body 2-the wire control connector-the second electrode body 8-the circuit board 11-the conductive metal ring 12 (the circuit board 11 and the conductive metal ring 12 can directly adopt the tail cover housing 1) -the cylinder housing-the light source-the front end of the battery.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and is not to the limitation of the technical solution of the present invention, as long as the technical solution can be realized on the basis of the above-mentioned embodiment without creative work, all should be regarded as falling into the protection scope of the right of the present invention.

Claims

1. The utility model provides a multi-functional torch tail-hood, includes the tail-hood shell, the front end of tail-hood shell is connected with the barrel shell of torch, first electrically conductive spring, its characterized in that are installed to anterior segment in the tail-hood shell: the multifunctional flashlight tail cover also comprises a circuit board, a push button switch, a first electrode body and a second electrode body which are arranged in the tail cover outer shell, the rear end of the first conductive spring is conductively connected with the first end of the push-button switch positioned at the rear of the circuit board through the circuit board, the second end of the button switch is conductively connected with the cylinder shell through the circuit board, the first electrode body is positioned right behind a button of the button switch and can move back and forth, the front end of the first electrode body is conductively connected with the first conductive spring or the cylinder outer shell, the front end of the second electrode body is conductively connected with the cylinder outer shell or the first conductive spring, the first electrode body and the second electrode body are insulated from each other, and the rear end of the first electrode body and the rear end of the second electrode body are used as two charging ends of the multifunctional flashlight tail cover.

2. The multifunctional flashlight tail cap of claim 1, wherein: the first electrode body and the push-button switch are both positioned in the middle of the tail cover outer shell, the first electrode body is a columnar conductor, the second electrode body is a cylindrical conductor, the first electrode body is positioned in the second electrode body, an insulating ring and a first sealing ring are arranged between the first electrode body and the second electrode body, and a second sealing ring is arranged between the second electrode body and the tail cover outer shell.

3. Multifunctional torch tail cover according to claim 1 or 2, characterized in that: the first electrode body is connected with the first conductive spring through a conductive strip; the second electrode body is directly connected with the tail cover outer shell in an electrically conductive mode, and the tail cover outer shell is connected with the cylinder outer shell in an electrically conductive mode, or the second electrode body is connected with a conductive metal ring through the circuit board, and the conductive metal ring is installed on the front section in the tail cover outer shell and is connected with the cylinder outer shell in an electrically conductive mode.

4. The multifunctional flashlight tail cap of claim 3, wherein: the conductive strips pass through the through holes on the circuit board.

5. The multifunctional flashlight tail cap of claim 3, wherein: the rear end of the conductive strip is connected with the front end of a second conductive spring, the second conductive spring is sleeved on the rear section of the push-button switch, and the rear end of the second conductive spring is connected with the front end of the first electrode body.

6. Multifunctional torch tail cover according to claim 1 or 2, characterized in that: the second end of the button switch is connected with a conductive metal ring through the circuit board, and the conductive metal ring is installed on the front section in the tail cover shell and is in conductive connection with the cylinder shell.