CN208605961U - A kind of multi-function handheld flashlight on replaceable head - Google Patents

Abstract

The utility model relates to Portable illumination equipment technical fields, disclose a kind of multi-function handheld flashlight on replaceable head, including cylinder, source and are respectively removably connected to the functional head and rail unit at cylinder both ends, further includes: the cathode set being sheathed on outside power supply；Rail unit includes tail portion external conductive casing body, negative conductive component and control switch, negative conductive component includes that cathode presses spring, fixed part and cathode conductive film, it is prominent to cylinder side that cathode presses spring one end, and cathode presses the spring other end and is electrically connected across fixed part and cathode conductive film；Control switch includes conductive seat, operation button and active conductive head, conductive seat includes cavities, active conductive head is placed in cavities and contacts with the inner wall of cavities, and active conductive head is connect far from one end of cylinder with operation button, and the other end is right against cathode conductive film.The replacement of the utility model head, vdiverse in function, drop resistant good reliability, structure is simple, easy to maintenance, switch convenience.

Description

A kind of multi-function handheld flashlight on replaceable head

Technical field

The utility model relates to Portable illumination equipment technical fields more particularly to a kind of the multi-function of replaceable head to hold Torch.

Background technique

Flashlight is one of people's daily life, the indispensable tool travelled outdoors, be people generally use-it is kind hand-held Formula illuminations, currently, the light emitting source tungsten wire lamp bead in conventional flashlights is by LED light with the progress and development of LED technology Replaced pearl, since LED lamp bead has, luminous efficiency is high, small in size, and designing the structure of flashlight becomes very flexibly, existing city There is miscellaneous various flashlight on, but structure type there is no much changes, while their function is all It is relatively simple, it is only used for illuminating mostly；In structure, generally comprise lamp cap, light bulb and tail-hood, be equipped with battery in light bulb, lamp cap with Anode connection, tail-hood are then used to constitute the cathode connection end that lamp cap is lighted, and battery is generally rechargeable battery, and is divided into solid Dingan County's dress and detachably two kinds of forms of installation；The battery detachably installed in practice impacted after due to be not fix Installation easily occurs loosening leading to poor electrical contact, and since battery cathode contact surface is little, if tail cover part after torch impact When point also loosening simultaneously, battery cathode is less susceptible to be contacted, and is easy to further increase the not connected probability of circuit so that torch without Method uses, and Anti-knocking ability is low, poor reliability, and for some flashlights in order to increase reliability, structure is designed relative complex, can Maintainability is low, is also unfavorable for the simplified overhauling of user.

As the patent document of Publication No. CN105570716A discloses one kind to increase the Anti-knocking performance of flashlight " LED handheld formula shatter-resistant torch ", including cylinder, cylinder both ends are removably connected with end-cap assembly and tail-hood component, institute respectively The end-cap assembly stated includes the incidence for being spirally connected with cylinder head fixed and the head circle that is spirally connected with incidence, the head circle and head Lampshade and eyeglass are arranged between neck, the cylinder is also bolted with a luminescence component close to one end of incidence, described Luminescence component and the light source that generates of lampshade bottom snug fit and luminescence component can penetrate into lampshade, described luminous group The one end of part far from lampshade is also bolted with an anti-impact buffer device, so that cap part is not easy to loosen, resistance to collision, in addition, Also is provided with elasticity can deformation end cap guard assembly and tail-hood guard assembly, but complicated integral structure, once colliding damage, maintenance is multiple Miscellaneous, maintenance cost and efforts are all big.

Functionally, although most of flashlights only have single illumination functions at present, also there is a small number of multifunctional electric torch Competitively occur, if notification number is that CN202613072U patent document discloses " a kind of multifunctional electric torch ", including cylinder head, stack shell With cylinder tail, the cylinder head is provided with light-emitting component, and the stack shell is provided with control chip and control button, the cylinder tail are provided with Power supply, the control chip are electrically connected with power supply, light-emitting component, control button respectively, and the cylinder head is additionally provided with Laser emission Device, camera and microphone, the laser emitter, camera, microphone are electrically connected with control chip respectively；In the stack shell It is additionally provided with the memory being electrically connected with control chip, and the USB interface carried out data transmission with external equipment.The design collection shines Bright, camera shooting, recording, laser function are multiple functional in one, have not only met the specific demand of user, but also easy to carry, but its function It can be only limitted to the light-emitting component on cylinder head included, laser emitter, function possessed by camera and microphone, and wherein one A function certainly will will affect the whole use feeling of user, and there are also to be hoisted for its resistance to collision property once damaging.

Utility model content

The technical problem to be solved by the utility model is to propose a kind of drop resistant for the above-mentioned deficiency of the prior art Good reliability, battery are not easy to loosen, and structure is simple, easy to maintenance, and easily the multi-function of replaceable head is held switch control Torch.

The utility model solves its technical problem, adopts the following technical scheme that

A kind of multi-function handheld flashlight on replaceable head, including the intracorporal power supply of cylinder, cylinder and detachably connect respectively It is connected to the functional head and rail unit at the cylinder both ends, further includes:

Cathode set is sheathed on outside the power supply, and the cathode set includes the conductive bottom equipped with contact, the contact and institute The cathode for stating power supply abuts against；

The rail unit includes tail portion external conductive casing body, negative conductive component and control switch, the negative conductive Component is installed in the tail portion external conductive casing body, and the negative conductive component includes that cathode presses spring, fixed part and bears Pole conductive sheet, it is prominent to the cylinder side that the cathode presses spring one end, and the cathode presses the spring other end across institute It states fixed part and the cathode conductive film is electrically connected；The control switch is sheathed on the tail portion external conductive casing body far from described In one end of cylinder, including conductive seat, operation button and active conductive head, the conductive seat include along the drum shaft Line direction extends the cavities that open up, the active conductive head be placed in the cavities and in the cavities Wall contact, the one end of the active conductive head far from the cylinder are connect with the operation button, and the other end is right against described negative Pole conductive sheet.

The setting that is covered by cathode increases power supply so that power supply obtains the protection of further crashworthiness drop resistant simultaneously in cylinder The contact area of cathode, the cathode for being conducive to power supply tail portion press the direct abutting of spring, deviate contact point not vulnerable to collision, And cathode is pressed the setting of spring and can be abutted against with the state of stress with conductive bottom, even if rail unit is generated pine by colliding Dynamic, the elastic force release that spring can also be pressed by cathode keeps abutting relation with conductive bottom；

Active conductive head is located in cavities, and one end is connect with operation button, and operation button is conventional with reset bullet Spring can realize button switch flexible back and forth by way of pressing；Operation, which is pressed, can drive active conductive head logical along receiving Road is mobile to cathode conductive film and abutting realizes cathode conducting therewith, presses again, operation button drives active conductive head along receipts Hold channel far from cathode conductive film, to sum up, switch control is convenient, in addition, rail unit overall structure is simple, inner components It is less, maintenance and replace all more convenient, the key that active conductive head is connected as cathode, also obtained tail portion external conductive casing body with The duplicate protection of conductive seat is less prone to conductive the case where deviateing.

Further, the external wall of tail portion external conductive casing be equipped with tail portion external screw thread, the cylinder inboard wall be equipped with it is described The tail portion internal screw thread of tail portion external screw thread matching connection.

Further, the cylinder is metallic conduction cylinder, and the inner wall of the cylinder is equipped with insulating layer.Metallic conduction cylinder The mounting design of additional conductive component is advantageously reduced, insulating layer is conducive to insulating protection and plays shatter-resistant buffer function.

Further, it is equipped with the electrical conduction unit being extended along the barrel lenght direction in the barrel of the cylinder, Its electrical cathode is abutted against with the electrical conduction unit after the functional head is connect with described cylinder one end, the rail unit and The tail portion external conductive casing body is abutted against with the electrical conduction unit after the cylinder other end connection.

Further, further includes:

Blocking part is used to connect one end setting of the functional head in the cylinder and close to the cylinder, described Blocking part obstructs the cylinder at two separate spaces, and the blocking part presses towards the side of the functional head equipped with anode Spring, the blocking part are equipped with the positive conductive for pressing spring electric connection with the anode towards the side of the rail unit Piece.

Further, the functional head includes the first external conductive casing and be sheathed in first external conductive casing luminous group The shell of part, the cathode of the luminescence component and first external conductive casing is electrically connected, and the anode of the luminescence component is electrically It is connected with first electrode sheet, the axial line of the axial line of the first electrode sheet and the cylinder is on the same line.

It further, further include that at least one is placed in the intracorporal standby functions head of the cylinder, the standby functions head includes Second external conductive casing and the functional unit being sheathed in second external conductive casing, the cathode of the functional unit and described second The shell of external conductive casing is electrically connected, and the anode of the functional unit is electrically connected with second electrode sheet；Described second is conductive outer The housing wall of shell one end abuts with the conductive bottom or by second external conductive casing with another standby functions head The housing wall abutting of one end is electrically connected with the conductive bottom, the housing wall of the second external conductive casing other end and institute Cathode is stated to press spring abutting or support by the housing wall of second external conductive casing one end with the another standby functions head It connects and presses spring with the cathode and be electrically connected.

Further, second external conductive casing includes cap and the body that is detachably connected with the cap.

Further, the functional unit be electric drill component, the electric drill component include motor and with the motor The drill bit that shaft is detachably connected, the cathode of the motor and the body are electrically connected, the anode of the motor and described the Two electrode slices are electrically connected.

Further, the functional unit be shaving assembly, the shaving assembly include motor and with the motor The shaver head that shaft is detachably connected, the shaver head have cutting face towards the top of the cap side, the motor Cathode and the body are electrically connected, and anode and the second electrode sheet of the motor are electrically connected.

Compared with prior art, the utility model has the beneficial effects that

1, overall structure is simple, and rail unit maintenanceability is good, and active conductive head is preferably placed and protected, tail portion The anode circuit combination good reliability of component, drop resistant function admirable, power supply have preferably protection, and can be negative with rail unit Press spring and preferably abut and electrical communication in pole；Overall structure compact can design, easy to carry；

2, functional head is detachable and interchangeable, the setting of blocking part, anti-by blocking part when so that functional head replacement disassembling Water is dust-proof, and when replacing functional head, power supply is not easy to be dropped and lost, better protection power source, dustproof and waterproof, when setting blocking part is When elastomeric cushion material, moreover it is possible to increase flashlight resistance to damage, be further reduced the destruction to power supply, the setting of blocking part side Anode presses spring and can be used for increasing the tightness abutted with functional head, when functional head is fallen slight loosening, moreover it is possible to by just Press spring deformation and keep in electrical contact in pole；

3, the setting of standby functions head, so that functional head is other than independent carrying about standby, moreover it is possible to it is installed in torch, so that It carries and is more convenient, find replacement and be more convenient, it is not easy to lose, and its shell can be used as the conductor of negative loop conducting, not influence electricity The power supply in source and the control of switch have demand according to function, and standby functions head can install multiple, standby functions head in cylinder Between can have different functions so that function is replaceable, it may be provided with identical functions, so that functional rehabilitation is quick, favorably In the satisfaction improved the user experience；

4, setting functional unit is electric drill component, can facilitate household electrical appliances in home life, and function is arranged in the dismounting of the equipment such as cabinet Energy component is shaving assembly, and when can facilitate personal nursing, especially out on tours, one is multi-purpose, easy to carry, feature-rich, The a variety of use demands occurred in life can be better met.

Detailed description of the invention

To become apparent from detailed description the embodiments of the present invention, attached drawing is as follows:

Fig. 1 is the overall structure diagram of an embodiment of the present invention；

Fig. 2 is the overall structure diagram of one preferred embodiment of the utility model；

Fig. 3 is the overall structure diagram of another preferred embodiment of the utility model；

Fig. 4 is the enlarged drawing in Fig. 3 at A；

Fig. 5 is one preferred embodiment standby functions header structure schematic diagram of the utility model.

In figure: 100- functional head, 200- cylinder, 300- rail unit, 400- power supply, 500- cathode set, 510- conduction bottom Portion, 511- contact, 310- external conductive casing body, 320- negative conductive component, 330- control switch, 321- cathode press spring, 322- fixed part, 323- cathode conductive film, 331- conductive seat, 332- operation button, 333- active conductive head, 3311- receiving Channel, 210- insulating layer, 600- electrical conduction unit, 700- blocking part, 710- anode press spring, 720- cathode conductive film, The first external conductive casing of 110-, 120- luminescence component, 130- first electrode sheet, 800- standby functions head, the second external conductive casing of 810-, 820- functional unit, 830- second electrode sheet, 811- cap, 812- body, 821- motor, 822- drill bit.

Specific embodiment

It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these examples.

As Figure 1-Figure 5, the utility model provides a kind of multi-function handheld flashlight on replaceable head, including cylinder 200, the power supply 400 in cylinder 200 and it is removably connected to the functional head 100 and tail portion group at 200 both ends of cylinder respectively Part 300, the mode being detachably connected can be functional head 100 and tail portion after various ways and the preferred connection such as being spirally connected, being connected together Component 300 does not protrude and 200 both ends nozzle of cylinder, specifically can be in 100 top of functional head or 300 bottom end of rail unit setting one Word slot, it is convenient to be dismounted by tools such as screwdrivers, be conducive to more as far as possible defencive function head 100 and rail unit 300, together When can also keep appearance appreciative value；Electrically conducting manner when functional head 100 is connect with cylinder 200 can refer to the prior art, such as The patent document of Publication No. CN105570716A does not repeat first herein；The handheld flashlight of the present embodiment further include:

Cathode set 500, is sheathed on outside the power supply 400, and the cathode set 500 includes the conductive bottom equipped with contact 511 510, the cathode of the contact 511 and the power supply 400 abuts against；In the prior art, in order to reduce flashlight components, reduce Flashlight galvanic circle is influenced by components loosening, the cylinder of flashlight 200 directly can be arranged to metal shell, for leading The complete power positive cathode circuit of electric forming, it should be noted that if cylinder 200 is arranged to metal shell, 500 setting of cathode set When, the outer wall of cylindrical jacket wall must cannot be conductive, the conductive bottom 510 cannot be straight with the conductive inner wall of cylinder 200 Abutting is connect, specifically can be used and be arranged insulation sleeve outside cathode set 500, or the jacket wall of cathode set 500 is individually selected into insulating materials And conductive bottom 510 selects the mode of conductive material to design improvement, it can also be in the inner wall that the corresponding cathode set 500 of cylinder 200 is placed Insulating layer, which is arranged, to be improved.

The rail unit 300 includes tail portion external conductive casing body 310, negative conductive component 320 and control switch 330, The negative conductive component 320 is installed in the tail portion external conductive casing body 310, and the negative conductive component 320 includes cathode Press spring 321, fixed part 322 and cathode conductive film 323, the cathode presses 321 one end of spring to the cylinder 200 1 Side is prominent, and the cathode presses 321 other end of spring and passes through the fixed part 322 and the cathode conductive film 323 electric connection； It is not contacted with external conductive casing body 310 it should be noted that cathode presses spring 321, fixed part 322 does not have electric conductivity；Institute It states control switch 330 to be sheathed in the described one end of tail portion external conductive casing body 310 far from the cylinder 200, including conductive seat 331, operation button 332 and active conductive head 333, the entire outer wall of conductive seat 331 and tail portion external conductive casing body 310 closely cover It connects or is threadedly coupled, formation electrically conducts；The conductive seat 331 includes opening up along 200 axis direction of cylinder extension Cavities 3311, negative conductive component 320 is detachable, can also be fixedly installed；In order to keep negative conductive component 320 fixed, Gu Determining portion 322 can be Nian Jie with 3311 passway of cavities abutting, can also be fixedly bonded to the inner wall of tail portion external conductive casing body 310 On；The active conductive head 333 is placed in the cavities 3311 and contacts with the inner wall of the cavities 3311, is formed It electrically conducts, under such conduction mode, conducting contact area is bigger, can avoid malfunctioning switch caused by falling, hitting；It certainly can also Operation button 332 and 331 conductive contact of conductive seat is arranged, conductance is passed into active conductive head 333, and active conductive head 333 itself do not contact conduction with cavities 3311；

The one end of the active conductive head 333 far from the cylinder 200 is connect with the operation button 332, another to rectify For the cathode conductive film 323.The purpose of connection herein is that operation operation button 332 can drive active conductive head 333 along receipts Holding channel 3311, activity is realized whether contact with cathode conductive film 323 back and forth, i.e., negative loop connection whether, to realize switch Control, therefore the connection only needs physical connection.Active conductive head 333 can be flexible spring, can also be rigid conductive Head.

By the setting of cathode set 500 so that power supply 400 obtains further crashworthiness in cylinder 200 and protects increase simultaneously The contact area of 400 cathode of power supply, the cathode for being conducive to 400 tail portion of power supply presses the direct abutting of spring 321, not vulnerable to punching It hits and deviates contact point, and cathode is pressed the setting of spring 321 and can be abutted against with the state of stress and conductive bottom 510, i.e., Make rail unit 300 by generation loosening is collided, the elastic force release that spring 321 can also be pressed by cathode is protected with conductive bottom 510 Hold abutting relation；

Active conductive head 333 is located in cavities 3311, and one end is connect with operation button 332, and operation button 332 can be It is conventional that button switch flexible back and forth can be realized by way of pressing with reset spring；Operation, which is pressed, can drive activity Conductive head 333, which is moved to cathode conductive film 323 along cavities 3311 and abutted therewith, realizes cathode conducting, presses, grasps again Making button 332 drives active conductive head 333 along cavities 3311 far from cathode conductive film 323, and to sum up, switch control is convenient, In addition, 300 overall structure of rail unit is simple, inner components are less, maintenance and all more convenient, the active conductive head of replacement 333 key as cathode conducting has also obtained the duplicate protection of tail portion external conductive casing body 310 and conductive seat 331, has been not easy out Existing conductive the case where deviateing.Overall structure compact can design, so as to easy to carry.

Preferably, 310 outer wall of tail portion external conductive casing body be equipped with tail portion external screw thread, 200 inner wall of cylinder be equipped with The tail portion internal screw thread of the tail portion external screw thread matching connection.And specifically, it is preferable to nozzle of the tail portion internal screw thread far from cylinder 200, with Just tail portion external conductive casing body 310 part or all be set in cylinder 200, to further increase 300 drop resistant of rail unit Anti-loosening performance, similarly, the mode that threaded connection equally can be used in functional head 100 connect, and preferably the screw thread in cylinder 200 is separate Nozzle, so that functional head 100 is all set in cylinder 200, so as to obtain shell preferable for 100 internal electron base part of functional head Protection.

The cylinder 200 is metallic conduction cylinder, and the inner wall of the cylinder is equipped with insulating layer 210.It can be directly as cathode Return conductors advantageously reduce the mounting design of additional conductive component, reduce loosening, power circuit disconnects risk；Insulating layer is set It sets 210 to be conducive to increase drop resistant buffering, avoids 200 inner part electrical failure of cylinder.It should be noted that insulating layer 210 is set The conductive connection that cannot influence functional head 100 and rail unit 300 and cylinder 200 is set, i.e. insulating layer 210 is not to cover comprehensively The inner wall of entire cylinder 200.

Optionally, it is extended as shown in Fig. 2, being equipped in the barrel of the cylinder 200 along 200 length direction of cylinder Electrical conduction unit 600, electrical conduction unit 600 can be copper wire or copper bar, and the functional head 100 connects with described 200 one end of cylinder Its electrical cathode is abutted against with the electrical conduction unit 600 after connecing, and 100 shell of preferred function head has electric conductivity, and described Cylinder 200 is spirally connected the threaded portion of rear casing and described 600 one end of electrical conduction unit abuts against conduction；The rail unit 300 with The tail portion external conductive casing body 310 abuts against conduction with the electrical conduction unit 600 after 200 other end of the cylinder connection, has Body, the tail portion external screw thread of 310 outer wall of tail portion external conductive casing body is another with electrical conduction unit 600 after being spirally connected with the cylinder 200 End abuts against；

Further, further includes:

Blocking part 700, for connecting the one of the functional head 100 in the cylinder 200 and close to the cylinder 200 End setting, the blocking part 700 obstruct the cylinder 200 at two separate spaces, and the blocking part 700 is towards the function First 100 side is equipped with anode and presses spring 710, and the blocking part 700 is equipped with and institute towards the side of the rail unit 300 The cathode conductive film 720 that anode presses the electric connection of spring 710 is stated, its anode and 720 phase of cathode conductive film when power supply 400 is arranged It abuts.It is preferred that anode press spring 710 it is inside and outside via close to described 100 one end of functional head to close to 700 one end of blocking part by Decrescence small, anode presses spring 710 and abuts against across blocking part 700 with cathode conductive film 720 close to 700 one end of blocking part.Resistance Setting every portion 700, by 700 water proof and dust proof of blocking part, is not easy power supply 400 when so that the replacement of functional head 100 being disassembled It is dropped and lost, better protection power source 400, dustproof and waterproof, when it is elastomeric cushion material that blocking part 700, which is arranged, moreover it is possible into one Step increases flashlight resistance to damage, reduces the destruction to power supply 400.

The functional head 100 includes the first luminous group for external conductive casing 110 and being sheathed in first external conductive casing 110 The shell of part 120, the cathode of the luminescence component 120 and first external conductive casing 110 is electrically connected, the luminescence component 120 anode is electrically connected with first electrode sheet 130, the axle center of the axial line of the first electrode sheet 130 and the cylinder 200 Line on the same line, when the functional head 100 is connect with cylinder 200, is set in cylinder 200, and the first external conductive casing 110 leans on The outer surface of nearly 700 one end of blocking part is equipped with screw thread or buckle, and 200 inner surface of cylinder is equipped with and 110 appearance of the first external conductive casing Face screw thread is buckled to matched screw thread or buckling parts, to realize the assembling of functional head 100 Yu cylinder 200, and by screw thread or Buckle, which is realized, abuts conduction with the cylinder 200 of metal shell or electrical conduction unit 600；

The first electrode sheet 130, which with anode is pressed spring 710 and pressed, to abut, and when functional head 100 is fallen loosening, can lead to The elastic deformation that anode presses spring 710 is crossed, first electrode sheet 130 and anode is kept to press spring 710 to a certain extent Abutting relation keeps the electric connection of 120 anode of luminescence component with 400 anode of power supply.130 conductive sheet of first electrode sheet it is transversal Area is the bigger the better, but can not contact with the first external conductive casing 110, and 130 the first external conductive casing of distance 110 of first electrode sheet Port table face has certain spacing.

As shown in figure 3, further including the standby functions head 800 that at least one is placed in the cylinder 200, the standby functions First 800 functional units 820 external conductive casing 810 and be sheathed in second external conductive casing 810 including second, the functional group The shell of the cathode of part 820 and second external conductive casing 810 is electrically connected, and the anode of the functional unit 820 is electrically connected Have a second electrode sheet 830, the axial line of the axial line of the second electrode sheet 830 and the cylinder 200 on the same line, together Managing the second electrode sheet 830 and 810 one end port table face of the second external conductive casing has a certain distance, can avoid with it is adjacent standby It is abutted with the top of functional head 800；

The housing wall of described second external conductive casing, 810 one end abuts with the conductive bottom 510 or passes through and another described The housing wall of described second external conductive casing, 810 one end of standby functions head 800, which abuts to be formed with the conductive bottom 510, electrically to be connected It connects, the housing wall of 810 other end of the second external conductive casing and the cathode press spring 321 and abut or pass through and another described The housing wall of described second external conductive casing, 810 one end of standby functions head 800 abuts and the cathode presses spring 321 and forms electricity Property connection；The cross-sectional area of the conductive sheet of second electrode sheet 830 is the bigger the better, but can not abut and connect with the second external conductive casing 810 Touching.

If should be noted that, cylinder 200 is metallic conduction cylinder, in order to avoid standby functions head 800 is set to cylinder 200 When interior, the shell wall outer surface of the second external conductive casing 810 is contacted with the inner wall of cylinder 200 causes negative loop to be opened without control The case where pass 330 is directly connected, 330 switch control failure of control switch occurs, need to be in 800 second external conductive casing of standby functions head Insulation sleeve is arranged outside 810, the shell wall outer surface of the second external conductive casing 810 of barrier is directly contacted with the inner wall of cylinder 200, but is insulated Set need to not influence the electric conductivity of 810 both ends end of the second external conductive casing；It can also be in the corresponding placement standby functions head 800 of cylinder 200 One section of inner wall on insulating layer is set, with obstruct the second external conductive casing 810 shell wall outer surface contacted with the inner wall of cylinder 200； Cylinder 200 shown in Fig. 3 is metallic conduction cylinder, and so there is no need to electrical conduction unit 600 is additionally arranged.

When needing to take out standby functions head 800 out of cylinder 200, replacement function head 100 is mounted on 200 one end of cylinder hair When waving function, it is mounted on 200 corresponding end of cylinder after insulation sleeve need to being removed, and functional head 100 is then needed to be arranged insulation sleeve and is put into In cylinder 200, in case storage and the conductive function of performance；In order to which the replacement of functional head 100 and standby functions head 800 does not influence power supply The conducting of 400 cathode, preferred design functional head 100 is consistent with the specification of 800 shape of standby functions head, if being really function shadow Design of length is rung, cathode presses spring 321 can also accomplish that a degree of length makes up by elastic telescopic.

If cylinder 200 is made of isolation material, without being additionally the design installation insulation sleeve of standby functions head 800.

When standby functions head 800 only has one, the housing wall of 810 one end of the second external conductive casing and the conductive bottom 510 abut, and the housing wall of 810 other end of the second external conductive casing presses spring 321 with the cathode and abuts；When standby functions head 800 when having multiple, and the housing wall of second external conductive casing 810 successively is abutted to be formed from beginning to end and be electrically conducted between standby functions head 800, Therefore the housing wall of some 800 second external conductive casing of standby functions head, 810 one end is abutted with the conductive bottom 510, the other end with The housing wall of another 800 second external conductive casing of standby functions head, 810 one end abuts；Some standby functions heads 800 second are conductive outer The housing wall at 810 both ends of shell respectively 800 second external conductive casing of standby functions head different from two, 810 one end housing wall abut；Have 800 second external conductive casing of standby functions head, 810 one end housing wall and another 800 second external conductive casing 810 of standby functions head The housing wall of one end abuts, and the other end presses spring 321 with the cathode and abuts.

The setting of standby functions head 800, so that functional head 100 is other than independent carrying about standby, moreover it is possible to it is installed in torch, So that carrying is more convenient, searching replacement is more convenient, not easy to lose, and its shell can be used as the conductor that negative loop is connected, not shadow Ring the power supply of power supply and the control of switch, demand had according to function, standby functions head 800 can be installed in cylinder 200 it is multiple, Can have different functions between standby functions head 800, so that function is replaceable, it may be provided with identical functions, so as to function Restore quickly, to be conducive to the satisfaction improved the user experience；

As shown in figure 5, second external conductive casing 810 includes cap 811 and is detachably connected with the cap 811 Body 812, connection can be to be spirally connected, be connected together；After cap 811 is connect with body 812, respective shell wall offsets between the two It connects, forms complete electric conductor, to carry out the conduction of electricity；It is preferred that insulate at the top of the cap 811 or be inwardly recessed setting, When being installed in cylinder 200 so as to standby functions head 800, keep 811 top of cap not electric with the second of another standby functions head 800 Pole piece 830 is electrically connected.The setting of cap 811 can be used for the components being arranged in protective shell body 812, and function is avoided to damage, Prolong the service life.

Optionally, as shown in figure 5, the functional unit 820 is electric drill component, the electric drill component include motor 821 with And the drill bit 822 being detachably connected with the shaft of the motor 821, the cathode of the motor 821 electrically connect with the body 812 It connects, anode and the second electrode sheet 830 of the motor 821 are electrically connected.Cap 811 can be used for blocks dust and convenience is standby With conductive abutting of the functional head 800 in cylinder 200；Motor 821 rotates after being powered, and drill bit 822 can be driven to rotate, and realizes drill bit The function of 822 dismounting screws, drill bit 822 are detachably connected, so as to the replacement of different types of drill bit 822, drill bit 822 and motor The preferred national standard specification of diameter of one end of 821 shaft connection, so that user buys installation on the market；Increase experience satisfaction Degree；

The functional unit 820 is shaving assembly, and the shaving assembly includes motor and can with the shaft of the motor The shaver head of dismantling connection, the shaver head towards the cap side top have cutting face, the cathode of the motor with The body is electrically connected, and anode and the second electrode sheet 830 of the motor are electrically connected.

Setting functional unit 820 is electric drill component, can facilitate household electrical appliances in home life, the dismounting of the equipment such as cabinet, setting Functional unit 820 is shaving assembly, and when can facilitate personal nursing, especially out on tours, one multi-purpose, easy to carry, function It is abundant, a variety of use demands occurred in life can be better met, the instrumentality of flashlight is increased.It is emphasized that this The functional unit 820 of utility model is not only limited to luminous lighting mentioned above, electric drill, shaving function, also replaceable design It is set to have the performance of Laser emission, camera shooting, audible alarm, music, sparking, recording etc., it is more to meet people Life requirement.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Claims (10)

1. a kind of multi-function handheld flashlight on replaceable head, including the intracorporal power supply of cylinder, cylinder and it is detachably connected respectively Functional head and rail unit in the cylinder both ends, which is characterized in that further include:

Cathode set is sheathed on outside the power supply, and the cathode set includes the conductive bottom equipped with contact, the contact and the electricity The cathode in source abuts against；

The rail unit includes tail portion external conductive casing body, negative conductive component and control switch, the negative conductive component It is installed in the tail portion external conductive casing body, the negative conductive component includes that cathode presses spring, fixed part and cathode and leads Electric piece, it is prominent to the cylinder side that the cathode presses spring one end, the cathode press the spring other end pass through it is described solid Determine portion and the cathode conductive film is electrically connected；The control switch is sheathed on the tail portion external conductive casing body far from the cylinder One end in, including conductive seat, operation button and active conductive head, the conductive seat include along the tubular axis side The cavities opened up to extension, the active conductive head are placed in the cavities and connect with the inner wall of the cavities Touching, the one end of the active conductive head far from the cylinder are connect with the operation button, and the other end is right against the cathode and leads Electric piece.

2. a kind of multi-function handheld flashlight on replaceable head according to claim 1, which is characterized in that lead the tail portion Electric outer housing outer wall is equipped with tail portion external screw thread, and the cylinder inboard wall is equipped with spiral shell in the tail portion for matching connection with the tail portion external screw thread Line.

3. a kind of multi-function handheld flashlight on replaceable head according to claim 1 or 2, which is characterized in that the cylinder Body is metallic conduction cylinder, and the inner wall of the cylinder is equipped with insulating layer.

4. a kind of multi-function handheld flashlight on replaceable head according to claim 1, which is characterized in that the cylinder The electrical conduction unit being extended along the barrel lenght direction is equipped in barrel, the functional head is connect with described cylinder one end Its electrical cathode is abutted against with the electrical conduction unit afterwards, the tail portion after the rail unit is connect with the cylinder other end External conductive casing body is abutted against with the electrical conduction unit.

5. a kind of multi-function handheld flashlight on replaceable head according to claim 1, which is characterized in that further include:

Blocking part is used to connect one end setting of the functional head, the barrier in the cylinder and close to the cylinder Portion obstructs the cylinder at two separate spaces, and the blocking part is equipped with anode towards the side of the functional head and presses bullet Spring, the blocking part are equipped with the positive conductive for pressing spring electric connection with the anode towards the side of the rail unit Piece.

6. a kind of multi-function handheld flashlight on replaceable head according to claim 1, which is characterized in that the functional head Including the first external conductive casing and the luminescence component that is sheathed in first external conductive casing, the cathode of the luminescence component with it is described The shell of first external conductive casing is electrically connected, and the anode of the luminescence component is electrically connected with first electrode sheet, first electricity The axial line of the axial line of pole piece and the cylinder is on the same line.

7. a kind of multi-function handheld flashlight on replaceable head according to claim 1, which is characterized in that further include at least One is placed in the intracorporal standby functions head of the cylinder, and the standby functions head includes the second external conductive casing and is sheathed on described second The shell of functional unit in external conductive casing, the cathode of the functional unit and second external conductive casing is electrically connected, described The anode of functional unit is electrically connected with second electrode sheet；The housing wall of second external conductive casing one end and the conductive bottom It abuts or is abutted and the conductive bottom by the housing wall of second external conductive casing one end with another standby functions head Portion is electrically connected, and the housing wall of the second external conductive casing other end and the cathode press spring and abut or pass through and again The housing wall of second external conductive casing one end of the one standby functions head abuts and the cathode presses spring and forms electrical property Connection.

8. a kind of multi-function handheld flashlight on replaceable head according to claim 7, which is characterized in that described second leads Electric shell includes cap and the body that is detachably connected with the cap.

9. a kind of multi-function handheld flashlight on replaceable head according to claim 8, which is characterized in that the functional group Part is electric drill component, and the electric drill component includes motor and the drill bit that is detachably connected with the shaft of the motor, the electricity The cathode of machine and the body are electrically connected, and anode and the second electrode sheet of the motor are electrically connected.

10. a kind of multi-function handheld flashlight on replaceable head according to claim 8, which is characterized in that the function Component is shaving assembly, and the shaving assembly includes motor and the shaver head that is detachably connected with the shaft of the motor, institute Stating shaver head has cutting face towards the top of the cap side, and the cathode of the motor and the body are electrically connected, institute The anode and the second electrode sheet for stating motor are electrically connected.