CN202012943U

CN202012943U - Safe type electronic cigar lighter

Info

Publication number: CN202012943U
Application number: CN2011200528372U
Authority: CN
Inventors: 张磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-03-02
Filing date: 2011-03-02
Publication date: 2011-10-19
Anticipated expiration: 2021-03-02

Abstract

The utility model relates to a safe type electronic cigar lighter, belongs to the field of lighter technology, and resolves the problem of bad security when using the prior lighters. The electronic cigar lighter comprises a casing and a heating wire, wherein the casing is fixedly provided with a main circuit board and a cell therein, the front wall of the casing is provided with an igniting aperture and a vertical igniting chute, the igniting aperture being covered with a movable igniting sliding plate provided with a lock hole, the lock hole is provided with a movable buckle therein, the casing there are provided an igniting switch and an igniting sliding block for controlling the on-off of the igniting switch, the igniting sliding block being connected with the front wall of the casing through a flexible assembly and fixedly connected with the buckle in the lock hole through a connecting rod; and wherein the heating wire is fixed on the main board and just opposite to the igniting aperture on the front wall of the casing, one end of the heating wire being connected to one pole of the cell and the other end being connected to the other pole. The safe type electronic cigar lighter is high in using safety.

Description

The Safty electronic cigar lighter

Technical field

The utility model relates to the lighter technology, particularly relates to a kind of technology of Safty electronic cigar lighter.

Background technology

Traditional lighter all utilizes ignite combustion gas or fuel oil of electronic impulse or heating wire to realize lighting a fire, because combustion gas and fuel oil all belong to inflammable and explosive dangerous material, therefore can not on the vehicles such as aircraft, train, carry, bring inconvenience to some people that need carry the lighter trip.In addition, it is outer that the lighting-up tuyere of traditional lighter all is exposed to, can't strike sparks because of obstruction easily, and the fire of lighting-up tuyere to extinguish its peripheral parts of back boiling hotter, scald human body easily or scorch clothing, its safety in utilization is relatively poor.

The utility model content

At the defective that exists in the above-mentioned prior art, technical problem to be solved in the utility model provides and a kind ofly need not to use inflammable and explosive substances such as combustion gas and fuel oil can realize sparking, and Safty electronic cigar lighter safe to use.

In order to solve the problems of the technologies described above, a kind of Safty electronic cigar lighter provided by the utility model comprises casing and heating wire, it is characterized in that: be installed with main circuit board and battery in the described casing;

Offer a fire hole, on the antetheca of described casing and connect its antetheca and the vertical igniting chute of the line of rabbet joint; Described fire hole loam cake is covered with the igniting slide plate of an activity, and the preceding outer wall of the plate face of described igniting slide plate and casing is fitted, and offers the lockhole of its plate face of perforation on its plate face, is provided with the buckle of an activity in the described lockhole, and the front end of this buckle exposes lockhole forward;

Be provided with an open type ignition switch in the described casing, an and igniting slide block that is used to control the igniting switch on and off, described igniting slide block connects the antetheca of casing through an elastomeric element, and on the igniting slide block, be installed with a connecting rod, the shaft of this connecting rod passes igniting chute and affixed with the buckle in the lockhole from the inside to the outside, and its bar footpath is less than the groove width of igniting chute;

Difference about the described igniting chute between the spacing at two ends and the connecting rod bar footpath is greater than the spacing between fire hole lower edge and the igniting slide plate upper edge;

Described heating wire is fixed on the main circuit board, and the fire hole on the casing antetheca, and one of heating wire terminates to a utmost point of battery, and other end serial connection ignition switch is to another utmost point of battery.

Further, described elastomeric element is an extension spring, and described igniting slide block is provided with the extension spring link slot that connects about, and the two ends of described extension spring are fixed on casing antetheca top, and its spring body passes the extension spring link slot, and is tight against the cell wall of extension spring link slot.

Further, described ignition switch is one to be installed in the key switch on the main circuit board, and its button is upwards over against the igniting slide block, and the spacing between its button and the igniting slide block, less than the igniting chute spacing at two ends and the connecting rod bar difference between directly up and down.

Further, described ignition switch is made up of the static contact of two conductions and the movable contact spring of a slice conduction; Described two static contacts are all elongated, all vertically be fixed on the front face of main circuit board, described movable contact spring is an elastic sheet metal, be fixed on the igniting slide block, the left back end of movable contact spring and right rear end prop up the front face of main circuit board respectively, and its left back end and right rear end lay respectively at two static contacts directly over.

Further, the lower end cell wall of described igniting chute is provided with the recess that snaps in for the buckle in the lockhole, and the spacing between this recess and the igniting chute upper end is greater than the spacing between fire hole lower edge and the igniting slide plate upper edge;

The upper end of described igniting slide block is provided with a flange that protrudes forward, and the lordosis length of this flange is less than the spacing between buckle front end and the igniting slide plate, and the preceding inwall of described casing is provided with a groove for the flange embedding on the igniting slide block.

Further, described main circuit board is provided with a heat-stable ceramic plate, and described heating wire is fixed on the heat-stable ceramic plate.

Further, described casing is provided with a USB plug, and described battery is a rechargeable battery, and described main circuit board is provided with charge management circuit, and described battery connects the positive-negative power pin of USB plug through charge management circuit and soft lead.

Further, be provided with the plug support that a upward and downward slides in the described casing, the lower end of casing offers a plug access hole for USB plug discrepancy, the aperture of this plug access hole is towards the below, the sidepiece of casing offers the linear gathering sill of its shell wall of perforation, the line of rabbet joint of this linear gathering sill is parallel to the slip axis of plug support, described plug support is provided with a shifting block, this shifting block passes the linear gathering sill and extends the casing outside, described USB plug is fixed on the plug support, and its head stretches into the plug access hole.

Further, described charge management circuit comprises a power management chip, a triode, described power management chip is provided with a charging current output pin, a charging current is set pin, open-drain charging output pin, its charging current output pin is received the positive pole of battery, and its charging current is set pin and received ground through a resistance;

The positive-negative power pin of described USB plug is received the positive-negative power input of power management chip respectively, its positive supply pin is received the colelctor electrode of triode through a full electricity indication light emitting diode, and be connected to the base stage of triode through a resistance, be connected to the open-drain charging output pin of power management chip through a charging indication light emitting diode, a resistance, its negative supply pin is received the emitter stage of triode through a resistance, receives the base stage of triode through another resistance;

The base stage of described triode is connected to the open-drain charging output pin of power management chip through a diode;

The negative pole of described battery is received the negative supply pin and the ground of USB plug.

Further, also be provided with a USB flash disk in the described casing, this USB flash disk is electrically connected USB plug.

The Safty electronic cigar lighter that the utility model provides, utilize rechargeable battery to add heating wire and realize igniting, need not to use inflammable and explosive substances such as combustion gas and fuel oil, can on the vehicles such as aircraft, train, carry, brought convenience to some people that need carry the lighter trip; In addition, the igniting slide plate can be gone up automatically to slide and cover in its lighting-up tuyere and heating wire after igniting finished, and can not scald human body or scorch clothing, and its safety in utilization is higher.

Description of drawings

Fig. 1 is the three-dimensional exploded view of the Safty electronic cigar lighter of the utility model first embodiment;

Fig. 2 is the front view of the Safty electronic cigar lighter of the utility model first embodiment;

Fig. 3 is the upward view of the Safty electronic cigar lighter of the utility model first embodiment;

Fig. 4 is the front view behind the fore shell under the Safty electronic cigarette lighter of the utility model first embodiment;

Fig. 5 is the rearview behind the back cover under the Safty electronic cigarette lighter of the utility model first embodiment;

Fig. 6 is fore shell right front to three-dimensional view in the Safty electronic cigar lighter of the utility model first embodiment;

Fig. 7 is plug support right front to three-dimensional view in the Safty electronic cigar lighter of the utility model first embodiment;

Fig. 8 is igniting slide plate right front to three-dimensional view in the Safty electronic cigar lighter of the utility model first embodiment;

Fig. 9 is the connection diagram of igniting slide block, connecting rod and buckle in the Safty electronic cigar lighter of the utility model first embodiment;

Figure 10 is the circuit diagram of the charge management circuit in the Safty electronic cigar lighter of the utility model first embodiment;

Figure 11 is the front view behind the fore shell under the Safty electronic cigarette lighter of the utility model second embodiment;

Figure 12 is the rear perspective view behind the back cover under the Safty electronic cigarette lighter of the utility model second embodiment;

Figure 13 is in the Safty electronic cigar lighter of the utility model second embodiment, the three-dimensional view of the movable contact spring of ignition switch.

The specific embodiment

Below in conjunction with description of drawings embodiment of the present utility model is described in further detail, but present embodiment is not limited to the utility model, every employing analog structure of the present utility model and similar variation thereof all should be listed protection domain of the present utility model in.

As Fig. 1-shown in Figure 9, a kind of Safty electronic cigar lighter that the utility model first embodiment is provided comprises casing and heating wire 9, it is characterized in that: be installed with main circuit board 2 and battery 4 in the described casing;

Described casing is engaged and is formed by a fore shell 11, a back cover 12, on casing, be provided with a USB plug 3, described battery 4 is rechargeable batteries, and described main circuit board 2 is provided with charge management circuit, and described battery 4 connects the positive-negative power pin of USB plug 3 through charge management circuit and soft lead;

Be provided with the plug support 7 that a upward and downward slides in the described casing, the lower end of casing offers a plug access hole for USB plug 3 discrepancy, the aperture of this plug access hole is towards the below, the sidepiece of casing offers the linear gathering sill of its shell wall of perforation, the line of rabbet joint of this linear gathering sill is parallel to the slip axis of plug support 7, described plug support 7 is provided with a shifting block 71(and sees Fig. 7), this shifting block 71 passes the linear gathering sill and extends the casing outside, described USB plug 3 is fixed on the plug support 7, and its head stretches into the plug access hole;

(see Fig. 5, Fig. 6) on the antetheca of described casing and offer a fire hole 111, its antetheca of perforation and the vertical igniting chute 112 of the line of rabbet joint, described fire hole 111 is positioned at the top of igniting chute 112; Described fire hole 111 loam cakes are covered with the igniting slide plate 5 of an activity, the preceding outer wall of the plate face of described igniting slide plate 5 and casing is fitted, offer a splayed lockhole 51(who connects its plate face on its plate face and see Fig. 8), the splayed buckle 81(that is provided with an activity in the described lockhole 51 sees Fig. 2, Fig. 9), the front end of this buckle 81 exposes lockhole 51 forward;

Be provided with an open type ignition switch 22(in the described casing and see Fig. 4), and one the igniting slide block 6(that is used to control ignition switch 22 break-makes see Fig. 1, Fig. 5), described igniting slide block 6 connects the antetheca of casing through an elastomeric element 61, and on igniting slide block 6, be installed with a connecting rod 8(and see Fig. 9), the shaft of this connecting rod 8 passes igniting chute 112 and affixed with the buckle 81 in the lockhole 51 from the inside to the outside, and its bar footpath is less than the groove width of igniting chute 112;

Difference between the spacing at described igniting chute two ends about in the of 112 and the connecting rod bar footpath greater than the spacing between fire hole lower edge and the igniting slide plate upper edge, is exposed whole fire hole to guarantee that the igniting slide plate can slide to down;

Described ignition switch 22 is one to be installed in the key switch on the main circuit board 2, its button is upwards over against igniting slide block 6, and the spacing between its button and the igniting slide block 6, less than the spacing at igniting chute two ends about in the of 112 and the difference between the connecting rod 8 bars footpath, can slide to the button of pressing ignition switch down to guarantee the igniting slide block;

Described main circuit board 2 is provided with a heat-stable ceramic plate 21(and sees Fig. 4), described heating wire 9 is fixed on the heat-stable ceramic plate 21, and the fire hole 111 on the casing antetheca, one of heating wire 9 terminates to a utmost point of battery 4, and other end serial connection ignition switch 22 is to another utmost point of battery 4;

Described igniting chute 112(sees Fig. 5, Fig. 6) the lower end cell wall be provided with the recess 113 that snaps in for the buckle in the lockhole, spacing between this recess 113 and igniting chute 112 upper ends, greater than the spacing between fire hole lower edge and the igniting slide plate upper edge, expose whole fire hole to guarantee that the igniting slide plate can slide to down, and the buckle in the lockhole flushes with this recess, and the buckle in the lockhole can be snapped in this recess;

Described igniting slide block 6(sees Fig. 9) the upper end be provided with a flange 63 that protrudes forward, the preceding inwall of described casing is provided with a groove (not shown) for flange 63 embeddings on the igniting slide block 6, the lordosis length of described flange 63 is the spacing between the slide plate 5 less than buckle 81 front ends and igniting, to guarantee by pressing in the groove that buckle makes flange inwall before the casing.

Among the utility model first embodiment, described elastomeric element 61 is extension spring (see figure 5)s, described igniting slide block 6 is provided with the extension spring link slot 62(that connects about and sees Fig. 9), the two ends of described extension spring are fixed on the top of the preceding shell wall of casing, its spring body passes extension spring link slot 62, and is tight against the cell wall of extension spring link slot 62.

Figure 10 is the circuit diagram of the charge management circuit among the utility model first embodiment, J1 among this figure is the USB plug 3 among Fig. 1, BT1 among this figure is the battery 4 among Fig. 1, and the S1 among this figure is the ignition switch 22 among Fig. 4, and the R6 among this figure is the heating wire 9 among Fig. 4;

As shown in figure 10, among the utility model first embodiment, described charge management circuit comprises a power management chip U1, a triode Q1, described power management chip U1 is provided with a charging current output pin BAT, a charging current is set pin PROG, open-drain charging output pin CHRG, its charging current output pin BAT receives the positive pole of battery BT1, and its charging current is set pin PROG and received ground through a resistance R 5;

The positive-negative power pin of described USB plug J1 is received the positive-negative power input of power management chip U1 respectively, its positive supply pin is received the colelctor electrode of triode Q1 through a full electricity indication light emitting diode D1, and be connected to the base stage of triode Q1 through a resistance R 1, be connected to the open-drain charging output pin CHRG of power management chip U1 through a charging indication light emitting diode D3, a resistance R 2, its negative supply pin is received the emitter stage of triode Q1 through a resistance R 3, receives the base stage of triode Q1 through another resistance R 4;

The base stage of described triode Q1 is connected to the open-drain charging output pin CHRG of power management chip U1 through a diode D2;

The negative pole of described battery BT1 is received negative supply pin and the ground of USB plug J1;

The model of described power management chip U1 is LTC4054, and the glow color of described full electricity indication light emitting diode D1 is green, and the glow color of described charging indication light emitting diode D3 is red.

As shown in figure 10, among the utility model first embodiment, also be provided with a USB flash disk U2 in the described casing, this USB flash disk is electrically connected USB plug J1.

The utility model first embodiment is when original state, under the pulling force effect of extension spring, the igniting slide block drives the upper end that connecting rod is tight against the igniting chute, the slide plate of lighting a fire this moment covers in fire hole, also cover in simultaneously heating wire, the flange on the slide block of lighting a fire this moment also embeds before the casing in the groove on the inwall, and the igniting slide plate can not be slided up and down;

When needing igniting, press the buckle of connecting rod front end earlier, the flange of igniting on the slide block deviate from the groove on the inwall before the casing, the application of force makes the igniting slide plate slide down to the button that the igniting slide block touched and depressed ignition switch then, the slide plate of lighting a fire this moment moves apart fire hole, make heating wire expose, the while rechargeable battery also is communicated with heating wire makes its heating realize igniting, the buckle of connecting rod front end is the recess on the cell wall of igniting chute lower end also, press buckle this moment and make it snap in recess on the cell wall of igniting chute lower end, can be with igniting slide plate location;

After igniting finishes, the application of force makes the recess of buckle from the cell wall of igniting chute lower end, under the pulling force effect of extension spring, the igniting slide block drives connecting rod and returns back to initial position, the slide plate of lighting a fire simultaneously also upwards returns back to the initial position that covers in fire hole under the buckle of connecting rod front end drives, the flange on the slide block of lighting a fire this moment embeds before the casing in the groove on the inwall once again, and the igniting slide plate can not be slided up and down.

When the utility model first embodiment need charge to rechargeable battery, stir earlier the shifting block on the plug support downwards, make the plug support to lower slider, USB plug plug access hole from the casing lower end under the drive of plug support stretches out, and then USB plug is plugged on the USB mouth of computer to charge to rechargeable battery;

When USB plug is plugged on the USB mouth of computer, power management chip promptly detects the state of rechargeable battery, as rechargeable battery less than, then charge to rechargeable battery by its charging current output pin, and connect charging and indicate light emitting diode to make it send ruddiness, as the full electricity of rechargeable battery, then not output of its charging current output pin, and the full electricity indication of connection light emitting diode makes it send green glow; In the rechargeable battery charging process, power management chip detects the state of rechargeable battery in real time, when detecting the full electricity of rechargeable battery, then its charging current output pin stops output, and connect full electricity and indicate light emitting diode to make it send green glow, disconnect charging indication light emitting diode simultaneously it is extinguished.

As Figure 11-shown in Figure 13, the structure and first embodiment of the utility model second embodiment are similar, and the distinguishing characteristics of the utility model second embodiment and first embodiment is: described ignition switch is made up of the static contact 25 of two conductions and the movable contact spring 26 of a slice conduction;

Described two static contacts 25 are all elongated, all vertically be fixed on the front face of main circuit board 24, described movable contact spring 26 is an elastic sheet metal, be fixed on the igniting slide block 64, the left back end of movable contact spring and right rear end prop up the front face of main circuit board respectively, and its left back end and right rear end lay respectively at two static contacts 25 directly over.

The utility model second embodiment is under original state, movable contact spring does not touch two static contacts, during igniting along with the igniting slide block downslide, the left back end of movable contact spring and right rear end can touch two static contacts respectively, make two static contact conductive communication, thereby make the heating wire heating power, realize igniting.

Claims

1. a Safty electronic cigar lighter comprises casing and heating wire, it is characterized in that: be installed with main circuit board and battery in the described casing;

2. Safty electronic cigar lighter according to claim 1, it is characterized in that: described elastomeric element is an extension spring, described igniting slide block is provided with the extension spring link slot that connects about, the two ends of described extension spring are fixed on casing antetheca top, its spring body passes the extension spring link slot, and is tight against the cell wall of extension spring link slot.

3. Safty electronic cigar lighter according to claim 1, it is characterized in that: described ignition switch is one to be installed in the key switch on the main circuit board, its button is upwards over against the igniting slide block, and the spacing between its button and the igniting slide block is less than the spacing at two ends about the igniting chute and the difference between the connecting rod bar footpath.

4. Safty electronic cigar lighter according to claim 1 is characterized in that: described ignition switch is made up of the static contact of two conductions and the movable contact spring of a slice conduction; Described two static contacts are all elongated, all vertically be fixed on the front face of main circuit board, described movable contact spring is an elastic sheet metal, be fixed on the igniting slide block, the left back end of movable contact spring and right rear end prop up the front face of main circuit board respectively, and its left back end and right rear end lay respectively at two static contacts directly over.

5. Safty electronic cigar lighter according to claim 1, it is characterized in that: the lower end cell wall of described igniting chute is provided with the recess that snaps in for the buckle in the lockhole, spacing between this recess and the igniting chute upper end is greater than the spacing between fire hole lower edge and the igniting slide plate upper edge;

6. Safty electronic cigar lighter according to claim 1 is characterized in that: described main circuit board is provided with a heat-stable ceramic plate, and described heating wire is fixed on the heat-stable ceramic plate.

7. Safty electronic cigar lighter according to claim 1, it is characterized in that: described casing is provided with a USB plug, described battery is a rechargeable battery, described main circuit board is provided with charge management circuit, and described battery connects the positive-negative power pin of USB plug through charge management circuit and soft lead.

8. Safty electronic cigar lighter according to claim 7, it is characterized in that: be provided with the plug support that a upward and downward slides in the described casing, the lower end of casing offers a plug access hole for USB plug discrepancy, the aperture of this plug access hole is towards the below, the sidepiece of casing offers the linear gathering sill of its shell wall of perforation, the line of rabbet joint of this linear gathering sill is parallel to the slip axis of plug support, described plug support is provided with a shifting block, this shifting block passes the linear gathering sill and extends the casing outside, described USB plug is fixed on the plug support, and its head stretches into the plug access hole.

9. Safty electronic cigar lighter according to claim 7, it is characterized in that: described charge management circuit comprises a power management chip, a triode, described power management chip is provided with a charging current output pin, a charging current is set pin, open-drain charging output pin, its charging current output pin is received the positive pole of battery, and its charging current is set pin and received ground through a resistance;

10. Safty electronic cigar lighter according to claim 7 is characterized in that: also be provided with a USB flash disk in the described casing, this USB flash disk is electrically connected USB plug.