Multi-function flashlight

Abstract

The application provides a multifunctional flashlight, which comprises a shell, a lighting part, a launching part and a control part, wherein the shell has a containing cavity extending along its length direction; the lighting part is arranged at one end of the shell; the launching part comprises a signal bomb, the signal bomb is arranged in the containing cavity, the signal bomb is located at the end of the shell far from the lighting part, and the end of the shell far from the lighting part is provided with a launching outlet communicating with the containing cavity; the control part comprises a control board, a power supply and a switch, the control board and the power supply are arranged in the containing cavity, the power supply is electrically connected with the lighting part and the signal bomb through the control board, and the switch is arranged on the control board and protrudes from the shell, and the switch can control the opening and closing of the signal bomb and the lighting part respectively. Through the technical scheme, the problem that the field emergency flashlight in the related art is limited by the mechanical structure and cannot launch the signal bomb can be solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of lighting, in particular to a multifunctional flashlight. BACKGROUND

[0002] With the increase of modern people's outdoor activities, many people like to travel, mountaineering and adventure and other outdoor activities, in the process of outdoor adventure, need to use a flashlight for lighting, when encountering dangerous situations in the outdoor adventure, need to use a signal bomb to send a distress signal, the signal bomb can not be affected by the surrounding environment, and thus attract the attention of rescuers, therefore, installing a signal bomb on the flashlight can improve the safety of outdoor activities.

[0003] In the related art, the contrast file CN104421635A provides an outdoor emergency flashlight, the barrel of the outdoor emergency flashlight is provided with a storage cavity for placing a signal bomb, the left end of the storage cavity is fixed with a spring, the right end of the storage cavity is provided with a partition plate, in use, the partition plate is pulled out first, then the pin shaft is pulled out, the signal bomb is launched into the sky by the spring, prompting the position of the trapped person to the rescuer.

[0004] However, the outdoor emergency flashlight in the related art launches the signal bomb by the spring, which needs to be operated manually, and is easily limited by the mechanical structure, and there is a risk that the signal bomb cannot be launched. SUMMARY

[0005] The present application provides a multifunctional flashlight to solve the problem that the outdoor emergency flashlight in the related art is limited by the mechanical structure and has the risk that the signal bomb cannot be launched.

[0006] The present application provides a multifunctional flashlight, the multifunctional flashlight comprising: a shell having a containing cavity extending along the length direction thereof; a lighting member arranged at one end of the shell; a launching member comprising a signal bomb, the signal bomb being arranged in the containing cavity, the signal bomb being located at the end of the shell away from the lighting member, and the end of the shell away from the lighting member being provided with a launching outlet in communication with the containing cavity; and a control member comprising a control board, a power supply and a switch, the control board and the power supply being arranged in the containing cavity, the power supply being electrically connected to the lighting member and the signal bomb through the control board, and the switch being arranged on the control board and protruding out of the shell, the switch being capable of controlling the opening and closing of the signal bomb and the lighting member.

[0007] Further, the control board comprises a board body and a discharge needle, the power supply is electrically connected to the lighting member through the board body, the switch is arranged on the board body, and the discharge needle is fixedly arranged at one end of the board body, one end of the discharge needle protruding out of the board body and being in contact with the signal bomb.

[0008] Further, the shell is provided with a partition rib, the partition rib divides the accommodating cavity into a first cavity and a second cavity, the control board is arranged in the first cavity, the signal bullet is arranged in the second cavity, the partition rib is provided with a avoiding hole, and the discharge needle is arranged in the avoiding hole.

[0009] Further, the shell comprises a lower shell and an upper shell arranged on the lower shell, the lower shell and the upper shell jointly define the accommodating cavity, the partition rib comprises a first rib plate and a second rib plate, the first rib plate is arranged on the upper shell, and the second rib plate is arranged on the lower shell.

[0010] Further, the emitting member further comprises a heat insulation block, the heat insulation block is arranged in the accommodating cavity and located between the signal bullet and the illuminating member.

[0011] Further, the emitting member further comprises a heat insulation pipe and a barrel, the heat insulation pipe is arranged in the accommodating cavity and sleeved on the outer side of the barrel, and the signal bullet is arranged in the barrel.

[0012] Further, the heat insulation pipe is made of marble material; and / or the barrel is made of copper material.

[0013] Further, the shell is provided with a sealing plate, the sealing plate is detachably arranged at the emitting outlet; an installation hole is arranged on the end wall of the shell away from the illuminating member, an installation column is arranged on the sealing plate and inserted into the installation hole, a first magnetic attraction member is arranged in the installation hole, and a second magnetic attraction member magnetically attracted to the first magnetic attraction member is arranged on the installation column.

[0014] Further, the switch comprises an illuminating switch for controlling the opening and closing of the illuminating member and an emitting switch for controlling the opening and closing of the signal bullet, a protection cover which can be opened and closed is arranged above the emitting switch; and / or the multifunctional flashlight further comprises a display screen, the display screen is fixedly arranged on the shell, and the display screen is electrically connected with the control board.

[0015] Further, the illuminating member comprises an illuminating lamp, a mounting seat and a lens, the mounting seat is connected with one end of the shell, the illuminating lamp is arranged in the mounting seat, and the lens is arranged at the end of the mounting seat away from the shell.

[0016] The multifunctional flashlight comprises a shell, a lighting part, a signal bullet and a control part, the lighting part is arranged at one end of the shell, the signal bullet and the control part are arranged in a containing cavity of the shell, the multifunctional flashlight can be assembled conveniently, the signal bullet in the signal bullet part is arranged in the containing cavity, the shell is further provided with a launching outlet, the signal bullet can be launched, the function of rescue is achieved, the signal bullet is arranged at the end of the shell far from the lighting part, the lighting part can be prevented from being damaged due to high temperature when the signal bullet is launched. In order to control the launching of the signal bullet, a control board and a power supply are arranged, the power supply can provide electric energy, the control board is electrically connected with the lighting part and the signal bullet, the control board can control the opening and closing of the lighting part and the signal bullet, the automatic control is facilitated, the signal bullet is prevented from being launched artificially, the safety accident is avoided, and in order to facilitate the control, the opening and closing of the lighting part and the signal bullet are controlled by a switch, the reliability and practicability of the multifunctional flashlight are improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification. The illustrations are shown to explain the application and are not intended to limit the application in any manner. In the drawings:

[0018] Figure 1 A structure schematic view of the multifunctional flashlight provided by the embodiment of the application is shown;

[0019] Figure 2 An explosion view of the multifunctional flashlight provided by the embodiment of the application is shown;

[0020] Figure 3 A structure schematic view of the control board of the multifunctional flashlight provided by the embodiment of the application is shown;

[0021] Figure 4 An explosion view of the shell of the multifunctional flashlight provided by the embodiment of the application is shown;

[0022] Figure 5 An explosion view of the shell of the multifunctional flashlight provided by the embodiment of the application is shown;

[0023] Figure 6 A structure schematic view of the sealing plate of the multifunctional flashlight provided by the embodiment of the application is shown.

[0024] In the above drawings, the following reference signs are used:

[0025] 10. Outer shell; 11. Receiving cavity; 111. First cavity; 112. Second cavity; 12. Launch outlet; 13. Separating rib; 131. Clearance hole; 132. First stiffening plate; 133. Second stiffening plate; 14. Lower shell; 15. Upper shell; 16. Sealing plate; 161. Mounting post; 17. Mounting hole;

[0026] 20. Lighting components; 21. Lighting lamps; 22. Mounting bases; 23. Lenses;

[0027] 30. Launching element; 31. Heat shield; 32. Heat shield tube; 33. Gun barrel;

[0028] 40. Control component; 41. Control board; 411. Board body; 412. Discharge needle; 42. Power supply; 43. Switch; 431. Lighting switch; 432. Transmitting switch; 44. Protective cover;

[0029] 50. Display screen. Detailed Implementation

[0030] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present invention or its application or use. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] like Figures 1 to 6 As shown, this embodiment of the invention provides a multi-functional flashlight, which includes a housing 10, an illumination element 20, a transmitter 30, and a control element 40. The housing 10 has a receiving cavity 11 extending along its length. The illumination element 20 is disposed at one end of the housing 10. The transmitter 30 includes a signal flare, which is disposed within the receiving cavity 11. The signal flare is located at the end of the housing 10 away from the illumination element 20, and the end of the housing 10 away from the illumination element 20 is provided with a transmission outlet 12 communicating with the receiving cavity 11. The control element 40 includes a control board 41, a power supply 42, and a switch 43. The control board 41 and the power supply 42 are both disposed within the receiving cavity 11. The power supply 42 is electrically connected to the illumination element 20 and the signal flare respectively through the control board 41. The switch 43 is disposed on the control board 41 and protrudes from the housing 10. The switch 43 can control the opening and closing of the signal flare and the illumination element 20 respectively.

[0032] The multifunctional flashlight provided by the embodiment comprises a shell 10, a lighting part 20, a launching part 30 and a control part 40. The lighting part 20 is arranged at one end of the shell 10, the launching part 30 and the control part 40 are arranged in a containing cavity 11 of the shell 10, and the multifunctional flashlight can be conveniently assembled. The signal bullet in the launching part 30 is arranged in the containing cavity 11, the shell 10 is further provided with a launching outlet 12, the signal bullet can be launched, the function of rescue is achieved, the signal bullet is arranged at the end of the shell 10 far from the lighting part 20, the lighting part 20 can be prevented from being damaged due to high temperature when the signal bullet is launched, the control board 41 and the power supply 42 are arranged to control the launching of the signal bullet, the power supply 42 can provide electric energy, the control board 41 is electrically connected with the lighting part 20 and the signal bullet, and then the control board 41 can control the opening and closing of the lighting part 20 and the signal bullet, the automatic control is facilitated, the signal bullet is prevented from being launched by artificial control, and the safety accident is avoided. In order to facilitate control, the switch 43 can be used to control the opening and closing of the lighting part 20 and the signal bullet, and the reliability and practicability of the multifunctional flashlight are improved.

[0033] As shown in Figure 2 and Figure 3 The control board 41 comprises a board body 411 and a discharge needle 412. The power supply 42 is electrically connected with the lighting part 20 through the board body 411, the switch 43 is arranged on the board body 411, the discharge needle 412 is fixedly arranged at one end of the board body 411, one end of the discharge needle 412 protrudes from the board body 411 and is in contact with the signal bullet. The control board 41 with the above structure is electrically connected with the lighting part 20 through the board body 411, the power supply 42 provides electric energy for the board body 411, and then the switch 43 controls the board body 411 to work. Since the discharge needle 412 is fixedly arranged at one end of the board body 411 and is in contact with the signal bullet, the board body 411 can control the discharge needle 412 to discharge, and then the signal bullet can be ignited, the purpose of launching the signal bullet is achieved, and the discharge needle 412 is controlled by the control board 41 to discharge, the automatic control is facilitated, the safety accident is prevented, and the safety of the multifunctional flashlight is improved.

[0034] It should be noted that the shell 10 is further provided with a USB charging hole, and the board body 411 is integrated with a USB, and then the power supply 42 is charged through a charging circuit, and the practicability of the multifunctional flashlight is improved.

[0035] Specifically, the board body 411 is provided with a voltage boosting circuit. When the signal bullet is launched by the switch 43, the power supply 42 supplies power, a high-voltage arc is generated through the voltage boosting circuit, the discharge needle 412 is in contact with the signal bullet, the high-voltage arc generated by the discharge needle 412 can ignite the signal bullet, the purpose of launching the signal bullet is achieved, and the function of rescue is achieved.

[0036] The board body 411 is a single-chip microcomputer with a time delay function, and the time delay function of the board body 411 can delay the emission of the signal bullet, thereby improving the safety of the multifunctional flashlight and avoiding safety accidents.

[0037] As shown in Figure 2 , Figure 4 and Figure 5 , the housing 10 is provided with a partition rib 13, the partition rib 13 divides the accommodating cavity 11 into a first cavity 111 and a second cavity 112, the board body 411 is arranged in the first cavity 111, and the signal bullet is arranged in the second cavity 112. The partition rib 13 is provided with a relief hole 131, and the discharge needle 412 is arranged in the relief hole 131. The housing 10 with the above structure can isolate and separate the accommodating cavity 11 by using the partition rib 13, form the first cavity 111 accommodating the board body 411 and the second cavity 112 accommodating the signal bullet, facilitate assembly, and provide the relief hole 131 on the partition rib 13, so that the discharge needle 412 can pass through the relief hole 131 to contact the signal bullet, thereby facilitating control of the signal bullet and achieving the effect of rescue.

[0038] As shown in Figure 4 and Figure 5 , the housing 10 includes a lower housing 14 and an upper housing 15 arranged on the lower housing 14, the lower housing 14 and the upper housing 15 together enclose the accommodating cavity 11, the partition rib 13 includes a first rib plate 132 and a second rib plate 133, the first rib plate 132 is arranged on the upper housing 15, the second rib plate 133 is arranged on the lower housing 14, and the lower end of the first rib plate 132 abuts against the upper end of the second rib plate 133. With the above structure, the housing 10 is arranged as the upper housing 15 and the lower housing 14, which facilitates disassembly and installation. The first rib plate 132 is arranged on the upper housing 15, the second rib plate 133 is arranged on the lower housing 14, the first rib plate 132 and the second rib plate 133 abut against each other when the upper housing 15 and the lower housing 14 are installed and matched, which not only improves the structural strength of the housing 10 but also isolates and separates the signal bullet and the control board 41, improves the reliability of the connection structure, and facilitates production and manufacturing of the housing 10.

[0039] As shown in Figure 2 , the emitting member 30 further includes a heat insulation block 31 arranged in the accommodating cavity 11 and located between the signal bullet and the illuminating member 20. The emitting member 30 with the above structure can use the heat insulation block 31 to achieve the effect of heat insulation when the high-temperature gas generated by the emission of the signal bullet, thereby protecting the illuminating member 20 and avoiding damage to the internal structure and circuit.

[0040] As shown in Figure 2As shown, the launching member 30 further comprises a heat insulation tube 32 and a barrel 33, the heat insulation tube 32 is arranged in the accommodating cavity 11 and sleeved outside the barrel 33, and the signal bullet is arranged in the barrel 33. By arranging the heat insulation tube 32 in the accommodating cavity 11 and sleeving the heat insulation tube 32 outside the barrel 33, the barrel 33 plays a guiding role when the signal bullet is launched, and the heat insulation tube 32 plays a heat insulation role when the signal bullet is launched, avoiding damage to the shell 10 caused by high temperature, preventing safety accidents, and improving the reliability and safety of the multifunctional flashlight.

[0041] In this embodiment, the heat insulation tube 32 is made of marble material. By using marble material to make the heat insulation tube 32, the heat insulation tube 32 plays a heat insulation role and also plays a fixing role for the barrel 33, preventing the shell 10 from being damaged by high temperature when the signal bullet is launched.

[0042] In this embodiment, the barrel 33 is made of copper material. By using copper material to make the barrel 33, the copper material has good ductility, which facilitates the production and processing of the barrel 33, and the barrel 33 is less damaged after launching the signal bullet, which can improve the stability of launching the signal bullet.

[0043] As shown in Figure 2 , the shell 10 is provided with a sealing plate 16, which is detachably arranged at the launching outlet 12. By adopting the above structure, the sealing plate 16 is arranged at the launching outlet 12, which can seal the signal bullet and prevent it from falling out of the accommodating cavity 11, and also plays a sealing role to prevent the signal bullet from being damped and unable to launch, so as to achieve the purpose of rescue. It is also convenient to assemble and use.

[0044] As shown in Figure 2 , Figure 4 , Figure 5 , and Figure 6 , the end wall of the shell 10 away from the illuminating member 20 is provided with a mounting hole 17, the sealing plate 16 is provided with a mounting column 161, the mounting column 161 is inserted into the mounting hole 17, the mounting hole 17 is provided with a first magnetic attraction member, and the mounting column 161 is provided with a second magnetic attraction member magnetically attracted to the first magnetic attraction member. By arranging the mounting hole 17 on the end wall of the shell 10, the mounting column 161 on the sealing plate 16 is matched and mounted with the mounting hole 17, which is convenient for assembly. In order to improve the stability of the mounting structure, the first magnetic attraction member is arranged in the mounting hole 17, and the second magnetic attraction member is arranged on the mounting column 161. The first magnetic attraction member and the second magnetic attraction member are magnetically attracted to each other, which can ensure the stability of the connection structure under the magnetic attraction of the sealing plate 16.

[0045] It should be noted that the first magnetic attraction member and the second magnetic attraction member can achieve magnetic attraction as long as at least one of them is a magnet, and then the sealing plate 16 can be used for installation. For example, the first magnetic attraction member is a magnet, and the second magnetic attraction member is iron, or the first magnetic attraction member is iron, and the second magnetic attraction member is a magnet.

[0046] As shown in Figure 2 The switch 43 includes a lighting switch 431 for controlling the opening and closing of the lighting member 20 and a launching switch 432 for controlling the opening and closing of the signal bullet, and a protective cover 44 is arranged above the launching switch 432. By arranging the lighting switch 431 and the launching switch 432, the lighting member 20 and the signal bullet can be controlled separately, which is convenient for operation and avoids accidental touch. In order to avoid accidental triggering of the signal bullet, the protective cover 44 is arranged on the launching switch 432 to protect it. When the signal bullet is not needed, the protective cover 44 is closed to cover the launching switch 432, and when the signal bullet is needed, the protective cover 44 is opened to control the launching switch 432 to launch the signal bullet, which can protect the launching switch 432 and prevent the multifunctional flashlight from being accidentally triggered when not in use.

[0047] As shown in Figure 2 The multifunctional flashlight further includes a display screen 50 fixedly arranged on the shell 10, and the display screen 50 is electrically connected with the control board 41. By arranging the display screen 50 and electrically connecting it with the control board 41, the display screen 50 can display the power of the power supply 42 and the state of the lighting member 20 and the launching member 30, which is convenient for observation and can also serve as a safety indicator to prevent accidental triggering.

[0048] As shown in Figure 2 The lighting member 20 includes a lighting lamp 21, a mounting seat 22, and a lens 23. The mounting seat 22 is connected with one end of the shell 10, the lighting lamp 21 is arranged in the mounting seat 22, and the lens 23 is arranged at the end of the mounting seat 22 away from the shell 10. By arranging the lighting lamp 21 in the mounting seat 22 and using the lens 23 to fix the lighting lamp 21, the lens 23 can serve as a light-transmitting illuminator and also protect the lighting lamp 21.

[0049] It should be noted that the lens 23 is provided with external threads, and the mounting seat 22 is provided with internal threads. The lens 23 is screw-mounted with the mounting seat 22, which is convenient for assembly.

[0050] Specifically, the upper shell 15 and the lower shell 14 are both provided with threaded holes, the mounting seat 22 is provided with a positioning hole penetrating the mounting seat 22, the positioning hole is used for positioning installation, and then the upper shell 15, the mounting seat 22 and the lower shell 14 can be installed and fixed, so that assembly is facilitated and operation is simple.

[0051] It should be noted that the signal bomb is composed of a polyethylene plastic sealing film, a magnesium powder combustion agent, a gunpowder propellant, a shell, a lead layer and a jet hole. When the lead layer is ignited, it quickly spreads to the gunpowder propellant to ignite it, and the gunpowder propellant burns violently to generate a large amount of high-temperature gas that pushes the signal bomb into the air through the jet hole, ignites the magnesium powder combustion agent, melts the polyethylene plastic sealing film and slowly burns in the air, emitting dazzling warning light.

[0052] The device provided by the embodiment has the following beneficial effects:

[0053] (1) The plate body 411 is electrically connected with the illuminating part 20, the power supply 42 provides electric energy for the plate body 411, and then the switch 43 controls the plate body 411 to work, the plate body 411 can control the discharge needle 412 to discharge, and then the signal bomb can be ignited, achieving the purpose of launching the signal bomb;

[0054] (2) The heat insulation block 31 is arranged in the accommodating cavity 11, and the heat insulation block 31 can play a heat insulation effect when high-temperature gas generated by launching the signal bomb, protecting the illuminating part 20 and the launching part 30 from damage;

[0055] (3) The heat insulation pipe 32 is arranged in the accommodating cavity 11, and the heat insulation pipe 32 is sleeved outside the barrel 33, the barrel 33 plays a guiding role when the signal bomb is launched, and the heat insulation pipe 32 plays a heat insulation role when the signal bomb is launched;

[0056] (4) The display screen 50 can display the power of the power supply 42 and the state of the illuminating part 20 and the launching part 30, facilitating observation, and the display screen 50 can also play a safety indication role to prevent accidental triggering;

[0057] (5) The illuminating lamp 21 is arranged in the mounting seat 22, and the lens 23 can fix the illuminating lamp 21, and the lens 23 can also play a light-transmitting and illuminating role and a protection role for the illuminating lamp 21.

[0058] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components and / or combinations thereof, but do not preclude the presence or addition of one or more other features, steps, operations, devices, components and / or combinations thereof.

[0059] The relative arrangement of parts and steps, numerical expressions, and numerical values set forth in the examples are not intended to limit the scope of the application unless specifically so stated. It is to be understood that the drawings are not necessarily to scale of the various parts of the device shown therein. Techniques, methods, and devices known to those of ordinary skill in the relevant art can not be discussed in detail in order to avoid obscuring the present application. In each instance herein any specific examples are meant to be illustrative only and not restrictive. Other examples of the example embodiments can have different values. It is noted that like references and designations can indicate like items in the drawings, and once an item is defined in one drawing, it need not be discussed further in subsequent drawings.

[0060] In the description of the present application, it is to be understood that the orientation or positional relationships indicated by orientation words such as "front, back, upper, lower, left, right", "transverse, vertical, perpendicular, horizontal", and "top, bottom" are generally based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Without the opposite indication, these orientation words do not indicate and imply that the devices or elements referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the scope of protection of the present application. The orientation words "inner, outer" refer to the inner and outer relative to the contour of the parts themselves.

[0061] For purposes of the description hereinafter, the terms "upper", "lower", "right", "left", "rear", "front", "vertical", "horizontal", and derivatives thereof shall relate to the application as oriented in the drawing. The terms "on", "above", "under", "below" and derivatives thereof shall relate to the application as oriented in the drawing, with the test of "above" and "under" being determined based on the position of the application when oriented in the drawing. Where the application is oriented in the drawing and the terms "on", "above", "under" and "below" are used in the description and claims, such terms are used and shall be interpreted in the application-oriented orientation, even if the application is inverted.

[0062] In addition, it should be noted that the use of "first", "second", and the like words of distinction do not connote any meaning of importance, but are used only to distinguish one element from another. Such words are used only to distinguish one element from another, and are not otherwise used to connote any meaning of importance.

[0063] The preferred embodiments of the application are described above in detail. The application is not limited to the embodiments described, but can be modified in various ways. Any modifications, equivalent replacements, improvements, and the like made within the spirit and principle of the application shall be included in the scope of the protection of the application.

Claims

1. A multi-function flashlight, characterized by, The multifunctional flashlight comprises: a shell (10) having a containing cavity (11) extending along the length direction thereof; an illuminating part (20) arranged at one end of the shell (10); a launching part (30) comprising a signal bomb, the signal bomb being arranged in the containing cavity (11) and located at the end of the shell (10) away from the illuminating part (20), and the end of the shell (10) away from the illuminating part (20) being provided with a launching outlet (12) communicating with the containing cavity (11); a control part (40) comprising a control board (41), a power supply (42) and a switch (43), the control board (41) and the power supply (42) being arranged in the containing cavity (11), the power supply (42) being electrically connected with the illuminating part (20) and the signal bomb through the control board (41), and the switch (43) being arranged on the control board (41) and protruding out of the shell (10), the switch (43) being capable of controlling the opening and closing of the signal bomb and the illuminating part (20) respectively; the control board (41) comprises a board body (411) and a discharge needle (412), the power supply (42) being electrically connected with the illuminating part (20) through the board body (411), the switch (43) being arranged on the board body (411), the discharge needle (412) being fixedly arranged at one end of the board body (411), one end of the discharge needle (412) protruding out of the board body (411) and being in contact with the signal bomb, and a voltage boosting circuit being arranged on the board body (411) so that the high-voltage electric arc generated by the discharge needle (412) can ignite the signal bomb; a partition rib (13) is arranged in the shell (10), the partition rib (13) dividing the containing cavity (11) into a first cavity (111) and a second cavity (112), the board body (411) being arranged in the first cavity (111) and the signal bomb being arranged in the second cavity (112), the partition rib (13) being provided with an avoiding hole (131), and the discharge needle (412) being arranged in the avoiding hole (131).

2. The multi-functional flashlight according to claim 1, wherein, the shell (10) comprises a lower shell (14) and an upper shell (15) arranged on the lower shell (14), the lower shell (14) and the upper shell (15) jointly forming the containing cavity (11), the partition rib (13) comprises a first rib plate (132) and a second rib plate (133), the first rib plate (132) being arranged on the upper shell (15) and the second rib plate (133) being arranged on the lower shell (14), and the lower end of the first rib plate (132) being in abutment with the upper end of the second rib plate (133).

3. The multi-functional flashlight according to claim 1 or 2, characterized in that, the launching part (30) further comprises a heat insulation block (31), the heat insulation block (31) being arranged in the containing cavity (11) and located between the signal bomb and the illuminating part (20).

4. The multi-functional flashlight according to claim 1 or 2, wherein The launching member (30) further comprises a heat insulation tube (32) and a barrel (33), the heat insulation tube (32) is arranged in the accommodating cavity (11) and sleeved outside the barrel (33), and the signal bullet is arranged in the barrel (33). 5.The multifunctional flashlight according to claim 4, characterized in that, The heat insulation tube (32) is made of marble material; and / or, The barrel (33) is made of copper material. 6.The multifunctional flashlight according to claim 1 or 2, characterized in that, The outer shell (10) is provided with a sealing plate (16), the sealing plate (16) is detachably arranged at the launching outlet (12); The end wall of the outer shell (10) away from the illuminating member (20) is provided with a mounting hole (17), the sealing plate (16) is provided with a mounting column (161), the mounting column (161) is inserted into the mounting hole (17), the mounting hole (17) is provided with a first magnetic attraction member, and the mounting column (161) is provided with a second magnetic attraction member magnetically attracted to the first magnetic attraction member. 7.The multifunctional flashlight according to claim 1 or 2, characterized in that, The switch (43) comprises an illuminating switch (431) for controlling the opening and closing of the illuminating member (20) and a launching switch (432) for controlling the opening and closing of the signal bullet, and a cover (44) is arranged above the launching switch (432); and / or, The multifunctional flashlight further comprises a display screen (50), the display screen (50) is fixedly arranged on the outer shell (10), and the display screen (50) is electrically connected with the control board (41).

8. The multi-functional flashlight according to claim 1 or 2, wherein The illuminating member (20) comprises an illuminating lamp (21), a mounting seat (22) and a lens (23), the mounting seat (22) is connected with one end of the outer shell (10), the illuminating lamp (21) is arranged in the mounting seat (22), and the lens (23) is arranged at the end of the mounting seat (22) away from the outer shell (10).

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