CN200993387Y - Piezoelectric ignition device - Google Patents
Piezoelectric ignition device Download PDFInfo
- Publication number
- CN200993387Y CN200993387Y CN 200620170628 CN200620170628U CN200993387Y CN 200993387 Y CN200993387 Y CN 200993387Y CN 200620170628 CN200620170628 CN 200620170628 CN 200620170628 U CN200620170628 U CN 200620170628U CN 200993387 Y CN200993387 Y CN 200993387Y
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- Prior art keywords
- telescopic component
- piezoelectric
- head
- ignition device
- current potential
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Abstract
The utility model relates to a piezoelectric igniter for an igniting tool, in particular to a piezoelectric igniter without any lead-out wire, which is characterized in that a piezoelectric part fixedly provided in a telescopic assembly is a solid piezoelectric ceramic; the casing of the telescopic assembly is provided with an electric-potential lead-out hole at a bearing nail or an electric-potential lead-out hole at the shock spring seat of a shocking head; at the axial end of the casing of the telescopic assembly where the piezoelectric ceramic is mounted, an insertion hole is provided, at which a metallic collector block is fixed, which is pressed tightly and electrically connected with the piezoelectric ceramic. The improved piezoelectric igniter eliminates the assembling process of a wire with a conductive piece, is of simple and reasonable structure, good integrity, is easy and time saving to assemble, and improves the assembling speed and reduces production cost.
Description
Technical field
The utility model relates to a kind of piezoelectric ignition device of the apparatus of lighting a fire, and is meant the piezoelectric ignition device of not drawing lead especially.
Background technology
Piezoelectric igniting mechanism is generally by in the relative motion mutually, the scalable assembly that lower member is formed is formed, the piezoelectric ignition device that is commonly called as the Two Piece Set type is exactly wherein a kind of, upper-part and lower member keep a preset distance by return spring usually, piezoelectric ceramics is located in one of them parts of this scalable assembly, when hitting the such piezoelectric elements of this piezoelectric ceramics as tapping the head, will produce electric spark. usually this piezoelectric ceramics and tap the head between also have an actual reception to hit from tapping the head the nail hitting of holding, tap the head and be located at the axial air gap of scalable assembly slidably, in resting position, tap the head and remain in apart from holding nail hitting certain distance position by maintaining body, tap the head and extensible member between generally be provided with impact spring, in order to produce spark, telescopic component is pressurizeed, impel upper-part and lower member move toward one another. this pressurization is also being oppressed return spring, oppress impact spring simultaneously and make its storage power, when the approaching end of contraction of scalable assembly, the just self-sustaining mechanism that taps the head gets loose, under the impact spring effect of pressurized, will tap the head and drive to holding nail hitting, form impact energy and produce current potential in the piezoelectric element two ends, usually piezoelectric element is made up of two blocks of piezoelectric ceramics, between two piezoelectric ceramics, be provided with conducting strip, conducting strip must connect a lead and conduct the end high-voltage that piezoelectric ceramics produces, the piezoelectric element two ends produce current potential and also conduct by other conducting elements that the piezoelectric element below is provided with in metal cap and the cigar lighter, so just, formed circuit, this circuit is provided with open gap near the nozzle that disengages fuel from fuels sources, above-mentioned current potential forms spark by this gap, lights the fuel that disengages and forms flame.Yet, owing to be provided with conducting strip and lead has increased production cost, structure more complicated simultaneously, thereby assembly difficulty is bigger and time-consuming.Again the metal cap that is provided with of piezoelectric element below generally to be processed in internal thread and the telescopic component on or lower member be threaded, be used to compress two piezoelectric elements and play the end high-voltage that the conduction piezoelectric ceramics produces, so just strengthened the cost and the difficulty of processing of this product.
The utility model content
The purpose of this utility model is to overcome the deficiency that prior art exists and provide a kind of compact conformation rationally and the low piezoelectric ignition device of production cost.
To achieve these goals, the piezoelectric ignition device that the utility model provides, still include the scalable assembly of relative motion mutually, be provided with return spring between the housing of all right one way or the other telescopic component and keep a preset distance, tap the head and be located at the axial air gap of scalable assembly slidably, piezoelectric elements and tap the head between also have an actual reception to hit from tapping the head the nail hitting of holding, in resting position, tap the head and remain in apart from holding nail hitting certain distance position by maintaining body, tap the head and the housing of telescopic component between be provided with impact spring, to telescopic component pressurization and the approaching end of contraction the time at scalable assembly, the self-sustaining mechanism that taps the head gets loose, and under the impact spring effect of pressurized, will tap the head and drive to holding nail hitting, form impact energy and produce current potential in the piezoelectric elements two ends, the piezoelectric elements that it is characterized in that fixedly being located in the telescopic component is a monoblock piezoelectric ceramics, the housing of this telescopic component is provided with the current potential outlet or is provided with the current potential outlet at the impact spring seat place that taps the head holding nail hitting place, and being provided with patchhole at the housing axial end portion of the telescopic component that piezoelectric ceramics is installed, the patchhole place is fixed with the metal current collecting piece and compresses to be electrically connected with piezoelectric ceramics and cooperates.
Further setting of the present utility model on this basis is: its side of metal current collecting piece that the housing axial end portion of telescopic component is provided with is provided with lug, this lug is provided with slope in direction of insertion, the telescopic component housing axial end portion patchhole inwall place of this lug is provided with the lug shrinkage pool relatively, when the metal current collecting piece inserts at the lug place and telescopic component housing axial end portion insert aperture slope transition and be interference fit, the metal current collecting piece inserts its lug of back, location oppositely to be stoped with lug shrinkage pool that telescopic component housing axial end portion patchhole inwall place is provided with and cooperates.
The utility model has saved the assembly process of lead and conducting strip, simple and reasonable, the good integrity of piezoelectric ignition device after the improvement, assemble easy, save time, improve assembling speed and reduced production cost, wherein the metal current collecting piece is inserted into the housing axial end portion of telescopic component and peg graft cooperates with it and make also that processing cost reduces, technology is more simplified, can adopt the mechanical automation assembling.
Description of drawings
Further launch to illustrate the utility model below in conjunction with drawings and Examples.
Fig. 1 the utility model embodiment piezoelectric ignition device structure explosive view;
Structure chart before the assembling of Fig. 2 embodiment piezoelectric ignition device of the present utility model Two Piece Set type;
Fig. 3 the utility model embodiment piezoelectric ignition device Two Piece Set type assembling back structure chart profile;
The housing part sectioned view of Fig. 4 the utility model embodiment piezoelectric ignition device telescopic component;
Fig. 5 the utility model embodiment piezoelectric ignition device telescopic component housing axial end side view;
Fig. 6 the utility model embodiment piezoelectric ignition device metal current collecting piece three-dimensional side view
Fig. 7 the utility model embodiment piezoelectric ignition device is used schematic diagram on lighter
The schematic diagram that Fig. 8 the utility model embodiment piezoelectric ignition device is used on another lighter
Embodiment
As shown in the figure, the utility model embodiment is primarily aimed at Two Piece Set type piezoelectric ignition device and launches explanation, and the utility model is not confined to Two Piece Set type piezoelectric ignition device package assembly certainly, and for example the piezoelectric ignition device of three-piece syndeton also can.Present embodiment includes the scalable assembly 1 of relative motion mutually, 2, the housing 11 of all right one way or the other telescopic component, be provided with return spring 8 between 21 and make housing 11,21 keep a preset distance, tap the head and 4 be located at scalable assembly 1 slidably, 2 axial air gap, one monoblock piezoelectric ceramics 6 and tap the head between 4 also have an actual reception from tap the head 4 hit hold nail hitting 7, one monoblock piezoelectric ceramics 6 fixedly is located at scalable assembly 1, in one of them telescopic component 1 of 2, wherein a monoblock piezoelectric ceramics 6 is especially with respect to being provided with the conducting strip situation between two piezoelectric ceramics, that is to say for example to establish by short of folder the piezoelectric ceramics 6 of conducting strip can be referred to as a monoblock piezoelectric ceramics 6.Band supports tapping the head 4 of transverse axis 41 and is located on another telescopic component 2; 4 the support transverse axis 41 of tapping the head places the shape chamber 211 of telescopic component housing 21 band inclined thrust surfaces; 4 its support transverse axis 41 of tapping the head after this telescopic component 2 is inserted in the telescopic component 1 place the corner shape retainer shape chamber 114 of the housing 11 of telescopic component 1 simultaneously; the maintaining body of tapping the head of present embodiment is made of these corner shape retainer shape chamber 114 grades exactly; in fact; its corner shape retainer shape chamber 114 of maintaining body of tapping the head that is made of corner shape retainer shape chamber 114 also can be directly arranged on the housing 21 of telescopic component; at this moment; the promotion inclined thrust surface that 4 support transverse axis 41 gets loose from maintaining body of tapping the head then is located on another telescopic component 1, or the like these different maintaining body settings of tapping the head usually also all are the utility model scopes and no longer launch explanation.Fixedly preferably be provided with slopes 115 that the support transverse axis of conveniently tapping the head inserts on its flexible end interface inwalls of the scalable assembly housing 11 of piezoelectric ceramics 6, have such mounting process groove to help piezoelectric ignition device not split and make things convenient for both to peg graft at 1,2 o'clock at the assembling telescopic component.
In resting position, tap the head and 4 remain in apart from holding nail hitting 7 certain distance positions by maintaining body, tap the head 4 and the housing 21 of telescopic component between be provided with impact spring 3, to telescopic component 1,2 the pressurization and at scalable assembly 1,2 contraction is when finishing, tap the head 4 under the effect of the shape chamber 211 of inclined thrust surface self-sustaining mechanism get loose, also promptly tap the head 4 from chamber 114 landings of corner shape retainer shape, and under impact spring 3 effect of pressurized, will tap the head and 4 drive to holding nail hitting 7, form impact energy and produce current potential in piezoelectric ceramics 6 two ends, the housing 11 of telescopic component is provided with current potential outlet 11 3 holding nail hitting 7 places, or being provided with current potential outlet 117 at 43 places of impact spring of tapping the head, Fig. 3 also provides this variation together.Housing 11 axial end portions at telescopic component are provided with patchhole, the patchhole place is fixed with metal current collecting piece 5 and compresses electrical connection with piezoelectric ceramics 6 and cooperates, piezoelectric ceramics 6 two ends produce current potential respectively from metal current collecting piece 5 with draw holding the current potential outlet 117 that current potential outlet 113 that nail hitting 7 is provided with or 3 places of impact spring are provided with, current potential outlet 113,117 places are provided with electric-conductor 9, shown in Fig. 3,8, such electric-conductor 9 also can be installed when the assembling lighter again and also can.Described nail hitting 7 places of holding are provided with current potential outlet 113 and are meant that the housing 11 of telescopic component is contiguous and hold nail hitting 7 places and the definiteness that differs holds nail hitting 7 installation sites, for example with hold return spring 8 installed positions that nail hitting 7 is electrically connected and also be fine, at holding current potential outlet 113 situations that nail hitting 7 places are provided with, present embodiment is provided with electric-conductor holddown groove 112 being provided with both sides, current potential outlet 113 place, further be fixed with electric-conductor 9 at these electric-conductor holddown groove 112 places, this electric-conductor 9 has a projection 91 to be inserted in the current potential outlet 113, preferably this projection 91 also with return spring 8 close neighbours that hold above the nail hitting 7, a little to conduction high-tension electricity better effects if like this, also be conductive component close neighbour in the projection of electric-conductor and the current potential outlet, conductive component herein is meant return spring 8.The current potential outlet 117 that is provided with at 3 places of impact spring, generally also be provided with electric-conductor 9 at this place, same this electric-conductor 9 has a projection 91 to be inserted in the current potential outlet 117, preferably this projection 91 yet with impact spring 3 close neighbours, also be conductive component close neighbour in the projection of electric-conductor and the current potential outlet, conductive component herein is meant impact spring 3.
The further setting that metal current collecting piece 5 is fixed on the housing 11 axial end portion patchholes of telescopic component is, metal current collecting piece 5 its sides that housing 11 axial end portions of telescopic component are provided with are provided with lug 51, this lug 51 is provided with slope 511 in direction of insertion, the telescopic component housing 11 axial end portion patchhole inwall places of this lug 51 are provided with the lug shrinkage pool relatively, when metal current collecting piece 5 inserts at lug 51 places and telescopic component housing 11 axial end portions insertion aperture chamfered transition is interference fit, and its lug 51 of back, metal current collecting piece 5 insertion location oppositely stops with the lug shrinkage pool that telescopic component housing axial end portion patchhole inwall place is provided with and cooperates.Wherein, the telescopic component housing 11 axial end portion patchhole cross sections that cooperate with metal current collecting piece 5 preferably are the plum blossom shape, the plum blossom lobe die cavity 116 corresponding telescopic component housings 11 wall thickness places that it is outstanding, and it is good that metal current collecting piece 5 monoblocks are cylindrical shape.
As shown in Figure 7, provided a kind of example that the utility model embodiment piezoelectric ignition device is used on lighter 10, the metal current collecting piece 5 of piezoelectric ignition device places button 101 belows of lighter 10 to be connected with spark pin 102 contacts, the metallic conduction spare of piezoelectric ignition device 9 is connected with conduction springboard 103 contacts of giving vent to anger of lighter 10, piezoelectric ceramics 6 two ends produce current potential just is transmitted to fuel by the conduction springboard 103 of giving vent to anger of spark pin 102 and lighter 10 nozzle, so just, formed circuit, near and the gap that formation is opened the nozzle of fuel, above-mentioned current potential forms spark by this gap, lights the fuel that disengages and forms flame.
As shown in Figure 8, provided the another kind of example that the utility model embodiment piezoelectric ignition device is used on lighter 10, the metal current collecting piece 5 of piezoelectric ignition device equally also is to place button 101 belows of lighter 10 and be connected with conduction springboard briquetting 104 contacts of giving vent to anger, the conduction of giving vent to anger springboard briquetting 104 acts on the conduction springboard 103 of giving vent to anger, the current potential outlet 117 that 3 places of impact spring are provided with is provided with electric-conductor 9, this electric-conductor 9 have a projection 91 be inserted into current potential outlet 117 and with impact spring 3 close neighbours.Contiguous place is provided with lead 105 at cigarette lighter nozzle, electric-conductor 9 is electrically connected with lead 105, the high potential that piezoelectric ceramics 6 two ends produce just is transmitted to the nozzle of fuel by the conduction springboard 103 of giving vent to anger of lead 105 and lighter 10, so just, formed circuit, near and the gap that formation is opened the nozzle of fuel, above-mentioned current potential forms spark by this gap, lights the fuel that disengages and forms flame.Certainly, 3 of the impact springs of piezoelectric ignition device are placed button 101 belows of lighter 10 and metal current collecting piece 5 is inverted also passable, as long as with they with the conduction springboard 103 of giving vent to anger, give vent to anger and conduct electricity springboard briquetting 104 etc. and be connected and do corresponding adjustment and just can.
Claims (8)
1, a kind of piezoelectric ignition device, include the scalable assembly of relative motion mutually, be provided with return spring between the housing of all right one way or the other telescopic component and keep a preset distance, tap the head and be located at the axial air gap of scalable assembly slidably, piezoelectric elements and tap the head between also have an actual reception to hit from tapping the head the nail hitting of holding, in resting position, tap the head and remain in apart from holding nail hitting certain distance position by maintaining body, tap the head and the housing of telescopic component between be provided with impact spring, to telescopic component pressurization and the approaching end of contraction the time at scalable assembly, the self-sustaining mechanism that taps the head gets loose, and under the impact spring effect of pressurized, will tap the head and drive to holding nail hitting, form impact energy and produce current potential in the piezoelectric elements two ends, the piezoelectric elements that it is characterized in that fixedly being located in the telescopic component is a monoblock piezoelectric ceramics, the housing of this telescopic component is provided with the current potential outlet or is provided with the current potential outlet at the impact spring seat place that taps the head holding nail hitting place, and being provided with patchhole at the housing axial end portion of the telescopic component that piezoelectric ceramics is installed, the patchhole place is fixed with the metal current collecting piece and compresses to be electrically connected with piezoelectric ceramics and cooperates.
2, piezoelectric ignition device according to claim 1 is characterized in that being provided with the electric-conductor holddown groove being provided with both sides, current potential outlet place.
3, piezoelectric ignition device according to claim 2 is characterized in that current potential outlet place is provided with electric-conductor, and this electric-conductor has a projection to be inserted in the current potential outlet.
4, piezoelectric ignition device according to claim 3 is characterized in that conductive component close neighbour in the projection of electric-conductor and the current potential outlet.
5, according to claim 1 or 2 or 3 or 4 described piezoelectric ignition devices, it is characterized in that its side of metal current collecting piece that the housing axial end portion of telescopic component is provided with is provided with lug, this lug is provided with slope in direction of insertion, the telescopic component housing axial end portion patchhole inwall place of this lug is provided with the lug shrinkage pool relatively, when the metal current collecting piece inserts at the lug place and telescopic component housing axial end portion insert aperture slope transition and be interference fit, the metal current collecting piece inserts its lug of back, location oppositely to be stoped with lug shrinkage pool that telescopic component housing axial end portion patchhole inwall place is provided with and cooperates.
6, piezoelectric ignition device according to claim 5, it is characterized in that the telescopic component housing axial end portion patchhole cross section that cooperates with the metal current collecting piece is the plum blossom shape, the corresponding telescopic component housing of its outstanding plum blossom lobe die cavity wall thickness place, metal current collecting piece monoblock is cylindrical shape.
7, according to claim 1 or 2 or 3 or 4 or 6 described piezoelectric ignition devices, it is characterized in that piezoelectric elements fixedly is located in one of them telescopic component of this scalable assembly, band supports tapping the head of transverse axis and is located on another telescopic component, and fixedly its flexible end interface inwall of the scalable assembly of piezoelectric elements is provided with the slope of the support transverse axis insertion of conveniently tapping the head.
8, piezoelectric ignition device according to claim 5, it is characterized in that piezoelectric elements fixedly is located in one of them telescopic component of this scalable assembly, band supports tapping the head of transverse axis and is located on another telescopic component, and fixedly its flexible end interface inwall of the scalable assembly of piezoelectric elements is provided with the slope of the support transverse axis insertion of conveniently tapping the head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620170628 CN200993387Y (en) | 2006-12-18 | 2006-12-18 | Piezoelectric ignition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620170628 CN200993387Y (en) | 2006-12-18 | 2006-12-18 | Piezoelectric ignition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200993387Y true CN200993387Y (en) | 2007-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620170628 Expired - Fee Related CN200993387Y (en) | 2006-12-18 | 2006-12-18 | Piezoelectric ignition device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200993387Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813324A (en) * | 2010-04-09 | 2010-08-25 | 曾利祥 | Electronic lighter with inverted piezoelectric battery pack suite with no ignition lead and manufacturing method |
| CN109579046A (en) * | 2018-12-24 | 2019-04-05 | 周建胜 | A kind of piezoelectric ceramic ignitor |
-
2006
- 2006-12-18 CN CN 200620170628 patent/CN200993387Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813324A (en) * | 2010-04-09 | 2010-08-25 | 曾利祥 | Electronic lighter with inverted piezoelectric battery pack suite with no ignition lead and manufacturing method |
| CN109579046A (en) * | 2018-12-24 | 2019-04-05 | 周建胜 | A kind of piezoelectric ceramic ignitor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071219 Termination date: 20131218 |