CN203980338U

CN203980338U - The wireless piezoelectrics of falling pressure type

Info

Publication number: CN203980338U
Application number: CN201420366138.9U
Authority: CN
Inventors: 陈燕
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-07-03
Filing date: 2014-07-03
Publication date: 2014-12-03
Anticipated expiration: 2024-07-03

Abstract

The utility model relates to a kind of wireless piezoelectrics of falling pressure type, comprise main body, the top of main body is fixed with the pressure cap as negative pole, top in main body is provided with two ceramic bodies, the sidewall of main body is provided with the sheet metal of the conduct positive pole exposing, the inner of sheet metal is stretched into main body and is clamped by two ceramic bodies, it is characterized in that: the bottom of described pressure cap has the joint pin arranging to downward-extension, the top of main body has the connecting hole matching with described joint pin, joint pin is inserted and secured in connecting hole, the lower surface of joint pin contacts with the upper surface of superposed ceramic body.Pressure cap is inserted and secured on the installing hole being positioned in main body by the joint pin of bottom, the part of pressure cap is hidden in main body, be that main body is covered the recess part of pressure cap, can extend like this insulation distance between sheet metal and pressure cap, in the piezoelectrics course of work, between sheet metal and pressure cap, can not form the fiery phenomenon of altering between both positive and negative polarity, greatly increase the success rate of lighter igniting.

Description

The wireless piezoelectrics of falling pressure type

Technical field

The utility model relates to a kind of wireless piezoelectrics of falling pressure type for lighter.

Background technology

Lighter generally comprises shell, be positioned at the piezo-electric device (being also piezoelectrics) of shell, fuel chamber and air-valve assembly thereof, shell upper end be provided with piezo-electric device in push rod offset press hand, push rod adopts conductive plastics to make, air-valve assembly comprises again the metal seesaw that air-out needle is connected with air-out needle with one end, piezo-electric device has two output electrodes, wherein negative pole is the pressure cap that is arranged on its one end, pressure cap is that conducting metal is made, the bottom surface of pressure cap is provided with screwed hole, the upper surface of piezo-electric device 1 ' shell has the threaded post 11 ' raising up, when assembling, threaded post 11 ' is threaded in the screwed hole 21 ' of pressure cap 2 ' bottom surface and realizes being connected and fixed pressure cap 2 ' and piezo-electric device, pressure cap 2 ' contacts with the pottery 3 ' in piezo-electric device 1 ' simultaneously, as shown in Figure 8, in piezo-electric device inside, between pressure cap and the push rod with conductive plastics material, pass through metal needle, push rod spring forms conduction and connects, the wire just very stretching out from its sidewall middle part, this wire must extend to air-out needle adjacent position location, when use, press and press hand with subordinate, it is compressed that push rod overcomes push rod spring, press the perk of hand-drive seesaw simultaneously, air-out needle is pulled outwardly and air valve is exitted, now air-out needle is through metal seesaw, push rod has formed conduction with pressure cap and has been connected, therefore in the time that push rod is compressed into piezoelectricity stroke, between the wire of piezo-electric device side-walls and air-out needle, will produce spark because of electrion, ignite and overflow combustion gas and light a fire from air valve.Visible, what in this lighter, piezo-electric device adopted is the forward mounting means that pressure cap is placed in bottom, therefore must draw from its side-walls the wire of another utmost point, and must be by proper wire location, its structure relative complex, processing, installation be inconvenience to some extent all, can not realize automatic assembling lighter, the packaging efficiency of lighter is low, increases human cost, also just increases the manufacturing cost of lighter.

For aforementioned present situation, someone has done improvement, adopt the mode that piezo-electric device is oppositely installed to solve processing inconvenient problem is installed, be inverted in the enclosure by piezo-electric device, also be placed in top as the pressure cap of one of them negative pole, push rod is placed in bottom, the sidewall of piezo-electric device is provided with the sheet metal exposing as its positive pole, seesaw is roughly " factory " font, its side contacts with this sheet metal, its top margin is connected with air-out needle, shell upper end is provided with and piezo-electric device offsets presses hand and is placed in the conductive pin between the two, conductive pin has the extension that stretches to air-out needle side.This scheme has solved original lighter and has assembled inconvenient problem, but because its pressure cap is to be also threaded being connected of first pressure cap and piezo-electric device by the screwed hole on it and the threaded post of piezo-electric device shell, make the insulation distance between sheet metal and pressure cap very little, in the piezo-electric device course of work, between sheet metal and pressure cap, easily form the fiery phenomenon of altering between both positive and negative polarity, can cause lighter to misfire and alter fiery phenomenon, in addition because piezo-electric device causes, the volume that piezo-electric device is positioned at pressure cap position is larger, in the time pressing gloves and be located at the pressure cap periphery of piezo-electric device, piezo-electric device sidewall and press between the inner hole wall of hand and there is no enough accommodation spaces, two fork pin in original like this metal seesaw structure just just can not stretch into piezo-electric device sidewall and press between the inner hole wall of hand, for realizing the conductive contact of sheet metal and seesaw, it must be bent into seesaw and be " factory " font, this material to seesaw itself requires and processing technology requires high, if seesaw bending does not reach technical requirement, easily cause seesaw can not normally reset or press the problem of hand under not, the defect rate of product is high.

Summary of the invention

Technical problem to be solved in the utility model is the wireless piezoelectrics of falling pressure type that a kind of energy lighter automation assembling is provided for above-mentioned prior art present situation, and these piezoelectrics can avoid altering the generation of fiery phenomenon, light a fire more stable.

The utility model solves the problems of the technologies described above adopted technical scheme: a kind of wireless piezoelectrics of falling pressure type, comprise main body, the top of main body is fixed with the pressure cap as negative pole, top in main body is provided with two ceramic bodies, the sidewall of main body is provided with the sheet metal of the conduct positive pole exposing, the inner of sheet metal is stretched into main body and is clamped by two ceramic bodies, it is characterized in that: the bottom of described pressure cap has the joint pin arranging to downward-extension, the top of main body has the connecting hole matching with described joint pin, described joint pin is inserted and secured in connecting hole, the lower surface of joint pin and the upper surface of superposed ceramic body contact simultaneously.

Above-mentioned joint pin is threaded post, and described joint pin forms and is threaded after shooting connecting hole and between connecting hole.This structure makes the mode being threaded connection between joint pin and connecting hole complete fixing, and this mode that is threaded employing self tapping makes the inner hole wall of connecting hole form internal thread, connecting hole makes without first processing internal thread in processing like this, as everyone knows, because the upper surface of main body is less, inconvenient machining internal thread, thus this structure in allowing joint pin be threaded with connecting hole realization, simplified processing process again.Can certainly will between joint pin and connecting hole, adopt glue bonding, or glue be used in conjunction with being threaded.

The middle part of the left and right sidewall of aforementioned body is provided with two step surfaces that fork pin is shelved for metal seesaw.The setting of this step surface diminishes left and right, main body top lateral dimension, in the time of assembling, press between the left and right madial wall of hand and the vertical wall of step surface of main body and form gap, two of metal seesaw fork pin can stretch in this gap like this, press the left and right madial wall of hand plastic go out two with two ribs that fork pin props up of the metal seesaw stretching into, pressing subordinate moves, rib can drive the perk of metal seesaw to open air valve, this metal seesaw structure is comparatively straight, it is identical with the most traditional metal seesaw structure, because there is not wide-angle bending in it, the problem of the piezoelectrics of mode that solve existing reverse installation because seesaw special construction is required, do not exist seesaw can not normally reset or press the problem of hand under not because bending does not reach seesaw that technical requirement causes.

For making these piezoelectrics pressing down in process, sheet metal can be fully and metal seesaw conductive contact, and the outer end of above-mentioned sheet metal has the extension of both sides extension to the left and right.

Compared with prior art, the utility model has the advantage of: the pressure cap in this structure is inserted and secured on the installing hole being positioned in main body by the joint pin of bottom, the part of pressure cap is hidden in main body, be that main body is covered the recess part of pressure cap, can extend like this insulation distance between sheet metal and pressure cap, in the piezoelectrics course of work, between sheet metal and pressure cap, can not form the fiery phenomenon of altering between both positive and negative polarity, greatly increase the success rate of lighter igniting.

Brief description of the drawings

Fig. 1 is the perspective view one of the utility model embodiment;

Fig. 2 is the perspective view two of the utility model embodiment;

Fig. 3 is the cutaway view of the utility model embodiment;

Fig. 4 is the sectional perspective exploded view of the utility model embodiment;

Fig. 5 is the lighter ignition structure with these piezoelectrics;

Fig. 6 is the installation site schematic diagram with metal seesaw in the lighter ignition structure of these piezoelectrics;

Fig. 7 has the perspective view of pressing hand in the lighter ignition structure of these piezoelectrics;

Fig. 8 is the connected mode between existing pressure cap and piezo-electric device.

Detailed description of the invention

Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.

As shown in Fig. 1～4, it is a preferred embodiment of the present utility model.

A kind of wireless piezoelectrics of falling pressure type, comprise main body 1, the top of main body 1 is fixed with the pressure cap 2 as negative pole, and the top in main body 1 is provided with two ceramic bodies 3, the sidewall of main body 1 is provided with the sheet metal 4 of the conduct positive pole exposing, and the inner of sheet metal 4 is stretched into main body 1 and clamped by two ceramic bodies 3.

As complete piezoelectrics structure, also comprise the push rod 6 that is located in main body 1 bottom the upper and lower slippage of energy, in main body 1, be provided with the push rod spring 7 that makes push rod 6 keep the trend that moves down, in push rod 6, be provided with that hammer spring 8 holds and the hammer 9 that keeps exposing outside push rod upper surface trend, two ceramic bodies 3 are superimposed and are contained in the cavity 13 on main body 1 top, the bottom of cavity 13 is also provided with T-shaped nail 10, the bar portion of T-shaped nail 10 stretches out the diapire of cavity 13 downwards and makes the hammer 9 moving can clash into this T-shaped nail 10, the upper surface of T-shaped nail 10 contacts with the lower surface of the ceramic body 3 that is positioned at bottom, the top of main body 1 is also equipped with metal needle 15 in addition, the upper end of this metal needle 15 is exposed the upper surface of main body 1 and is contacted with the lower surface of pressure cap 2, the lower end of metal needle 15 contacts with push rod spring 7, allow as the pressure cap 2 of negative pole and hammer 9 conductings as negative pole.It is more than the conventional structure of existing piezoelectrics inside.

The bottom of pressure cap 2 has the joint pin 21 arranging to downward-extension, the top of main body 1 has the connecting hole 11 matching with described joint pin 21, joint pin 21 is inserted and secured in connecting hole 11, and the lower surface of joint pin 21 contacts with the upper surface of superposed ceramic body 3 simultaneously.In the present embodiment, joint pin 21 is threaded post, and joint pin 21 forms and is threaded after shooting connecting hole 11 and between connecting hole 11.

The middle part of the left and right sidewall of main body 1 is provided with two step surfaces 12 that fork pin 51 is shelved for metal seesaw 5.The outer end of sheet metal 4 has the extension 41 that extend both sides to the left and right.

As shown in Fig. 5～7, when assembling, piezoelectrics are inverted in lighter casing after assembling in the usual way, lighter casing does not show in drawing, be that pressure cap 2 is placed in top, and be positioned at and press under hand 16, the rear end of metal seesaw 5 takes the shape of the letter U, pitch pin 51 and form two, one end of metal seesaw 5 is connected with the air-out needle of air valve 17, two fork pin 51 of metal seesaw 5 insert on the step surface 12 of main body 1, install and press hand 16 again, press hand 16 inner roof walls and be provided with conductive pin 18, conductive pin 18 contacts with pressure cap 2, extend forward the outer end of conductive pin 18, when pressing while pressing hand 16, the front end of this conductive pin 18 moves to the position of contiguous air-out needle 17, press between the left and right madial wall of hand 16 and the vertical wall of the step surface of main body 1 12 and form gap, two of metal seesaw fork pin 51 can stretch in this gap like this, press the left and right madial wall of hand 16 plastic go out two with two ribs 161 that fork pin 51 props up of the metal seesaw stretching into, pressing hand 16 moves down, rib 161 can drive 5 perks of metal seesaw to open air valve.

When igniting, depress and press hand 16, make to be positioned at the conductive pin 18 under it, pressure cap 2 in piezoelectrics and main body 1 together relative push rod 6 move down, the rib 161 of simultaneously pressing the left and right madial wall of hand 16 is oppressed the outer end perk of metal seesaw 5 jack-up air-out needle 17 and is made air outlet valve venting, when push rod 6 moves and reaches piezo-electric ignition stroke relative to main body 1, hammer 9 clashes into the transient voltage that T-shaped nail 10 produces, sheet metal 4 contacts with metal seesaw 5 simultaneously, positive pole is delivered to air-out needle 8 by the sheet metal 4 of main body 1 sidewall through metal seesaw 6, the negative pole utmost point is passed to conductive pin 18 by pressure cap 2, due to the contiguous air-out needle 8 in end of conductive pin 18 now, therefore produce electric discharge immediately between the two and light the combustion gas of releasing from air outlet valve, realize igniting.

Pressure cap 2 in these piezoelectrics is inserted and secured on the installing hole 11 being positioned in main body 1 by the joint pin 21 of bottom, the part of pressure cap 2 is hidden in main body 1, be that main body 1 is covered the bottom part of pressure cap 2, can extend like this insulation distance D between sheet metal 4 and pressure cap 2, in the piezoelectrics course of work, between sheet metal 4 and pressure cap 2, can not form the fiery phenomenon of altering between both positive and negative polarity, greatly increase the success rate of lighter igniting.

Claims

1. the wireless piezoelectrics of falling pressure type, comprise main body (1), the top of main body (1) is fixed with the pressure cap (2) as negative pole, top in main body (1) is provided with two ceramic bodies (3), the sidewall of main body (1) is provided with the sheet metal (4) of the conduct positive pole exposing, the inner of sheet metal (4) is stretched into main body (1) and is clamped by two ceramic bodies (3), it is characterized in that: the bottom of described pressure cap (2) has the joint pin (21) arranging to downward-extension, the top of main body (1) has the connecting hole (11) matching with described joint pin (21), described joint pin (21) is inserted and secured in connecting hole (11), the lower surface of joint pin (21) contacts with the upper surface of superposed ceramic body (3) simultaneously.

2. the wireless piezoelectrics of falling pressure type according to claim 1, it is characterized in that: described joint pin (21) is threaded post, after described joint pin (21) is shot connecting hole (11) certainly and between connecting hole (11), forms and is threaded.

3. the wireless piezoelectrics of falling pressure type according to claim 1, is characterized in that: the middle part of the left and right sidewall of described main body (1) is provided with the step surface (12) of shelving for two fork pin (51) of metal seesaw (5).

4. according to the arbitrary described wireless piezoelectrics of falling pressure type of claim 1～3, it is characterized in that: the outer end of described sheet metal (4) has the extension (41) that extend both sides to the left and right.