CN204786538U - Need not adjust down -pressure type lighter air outlet valve of flame - Google Patents
Need not adjust down -pressure type lighter air outlet valve of flame Download PDFInfo
- Publication number
- CN204786538U CN204786538U CN201520390961.8U CN201520390961U CN204786538U CN 204786538 U CN204786538 U CN 204786538U CN 201520390961 U CN201520390961 U CN 201520390961U CN 204786538 U CN204786538 U CN 204786538U
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- valve
- inner chamber
- valve gap
- valve seat
- hypomere
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Abstract
The utility model relates to a lighter spare part, specifically speaking are need not adjust down -pressure type lighter air outlet valve of flame: including the needle, a valve cove, strain the gas piece, disk seat and one or more rubber seal, metal needle center pin is to being equipped with the through -hole, the lower extreme is followed the valve gap top and is inserted, form interference fit with through -hole in the axial of valve gap, the bottom face of valve gap is equipped with circular worry gas piece, insert in the inner chamber of disk seat to the valve gap interference, sticis between the inner chamber upper segment bottom surface of the bottom face of valve gap and disk seat considering the gas piece, it is radial accurate sealed to form the upper and lower terminal surface of considering the gas piece, the appearance of disk seat comprises two sections cylindricalitys, the big hypomere of upper segment is little, inside also is equipped with two sections communicating cylindricality inner chamber, the big hypomere of upper segment is little, the upper end opening of upper segment inner chamber, the hypomere inner chamber is equipped with little blind hole, the disk seat lower extreme is equipped with minor cross bore and blind hole intercommunication, the outside hypomere cover of disk seat is equipped with the one or more rubber seal.
Description
Technical field
The utility model relates to lighter parts, specifically a kind of press-down type exhaust valve for lighter not needing regulating flame.
Background technology
Existing exhaust valve for lighter is generally be made up of valve body, valve seat, air valve needle, the inner seal ring be set on air valve needle, holddown spring and the T-shaped sealing-plug that is inserted in air valve needle axially extending bore tail end, the function of air outlet valve just opens and closes fuel gas, the size of flare be then by air outlet valve bottom the part such as foam, aluminium T nail realize, valve controls to be split type structure with flame size; Valve body is provided with external screw thread, and the gas tank of lighter is provided with internal thread, and they are fixed on the valve seat of air outlet valve on gas tank by internal and external threads; Open air outlet valve, be then by seesaw, carry out the needle of pull-up air outlet valve, and drive T-shaped sealing-plug to rise together, discharge fuel gas.Because split type constitutional detail is many, and need to arrange at the gas outlet place of gas box the internal thread matched, need to arrange the parts such as springboard, make its structure very complicated, the difficulty also corresponding increase that injection mold makes, and air outlet valve is also unfavorable for adopting automated production by the mode that screw thread is arranged on right gas tank, the production cost of complete machine is caused to remain high.
Utility model content
The utility model object is the defect existed for overcoming above-mentioned prior art, provides a kind of
The air outlet valve of not only simple but also reliable lighter.
The technical scheme that the utility model realizes above-mentioned purpose is as follows: comprise needle, valve gap, air filter piece, valve seat and one or more rubber seal, metal needle central shaft is to being provided with through hole, lower end is inserted from valve gap top, interference fit is formed with the axial inner via hole of valve gap, the bottom face of valve gap is provided with circular worry gas sheet, valve gap is inserted in the inner chamber of valve seat with interference, worry gas sheet is pressed between the bottom face of valve gap and the inner chamber epimere bottom surface of valve seat, form the radial accurate sealing in the upper and lower end face of considering gas sheet, the profile of valve seat is made up of two sections of cylindricalitys, the large hypomere of epimere is little, the inner cylindrical inner chamber communicated also being provided with two sections, the large hypomere of epimere is little, the upper end open of epimere inner chamber, hypomere inner chamber is provided with small blind hole, valve seat hypomere is provided with small cross-drilled hole and is communicated with blind hole, the outside hypomere of valve seat is arranged with one or more rubber seal, the effect of seal controls the switch of air outlet valve and the flow direction of fuel gas, adopt such technical scheme, press down air outlet valve and can compress rubber seal bottom air outlet valve, when the cross-drilled hole of valve seat exceeds last seal of bottom, just fuel can be opened, gas in gas box will be discharged from needle top by the centre bore of the centre bore-needle of the blind hole of the cross-drilled hole of valve seat-valve seat hypomere-worry gas sheet==valve gap, after unclamping, also shape can be recovered under the effect of the bounce of bottom rubber seal, the cross-drilled hole of valve seat has returned to the inside of last seal, close combustion gas, it can open and close combustion gas very reliably simultaneously, by the size of control flare that the effect of considering gas sheet again can be stable, further we allow valve gap top exceed the top of valve seat, and allow its top radially stretch out, and form bulge loop, adopt this Technology design, increase the topside area of valve gap, are mainly convenient to pressing down valve body, further we are on valve gap or valve seat, be provided with clamping mechanism, form the effective clamping to lighter casing, adopt this Technology design mainly in order to block air outlet valve, air outlet valve can be allowed to slide up and down freely in certain scope, air outlet valve can be prevented again to be separated with gas box under the effect of the saturated pressure of the fuel of gas tank inside, further we arrange air discharge duct in the bottom of the outside epimere of valve seat, Main Function allows the residual gas in the blind hole of valve seat hypomere be discharged fast by air discharge duct, after preventing lighter to be used to complete, the through hole at air tube top still has residual air slowly to discharge, and produces potential safety hazard.
Compared with prior art, due to the opening ways that air outlet valve of the present utility model is press-down type, and adopt opening and closing combustion gas and the design controlling fiery integral type, so the numerous parts such as springboard, aluminium T nail, foam can be dispensed, and do not need to arrange internal thread on gas box, the mould structure of lighter is simplified greatly, therefore cost of manufacture reduces greatly, and by a simple pressing action, just air outlet valve can be loaded gas box, be conducive to carrying out automatic assembling to lighter.
Below in conjunction with the drawings and specific embodiments, the utility model is further described:
Accompanying drawing explanation
Accompanying drawing 1 is the utility model specific embodiment 1 structure sectional view;
Accompanying drawing 2 is the utility model specific embodiment 1 STRUCTURE DECOMPOSITION figure;
Accompanying drawing 3 is that the utility model specific embodiment 1 is illustrated with the installation diagram of gas box;
Accompanying drawing 4 is the schematic diagram of the utility model specific embodiment 2 valve body;
Accompanying drawing 5 is the schematic diagram of the utility model specific embodiment 3 valve body;
Accompanying drawing 6 is the clamping schematic diagram of the utility model specific embodiment 3 and gas box.
Detailed description of the invention
Specific embodiment 1: as shown in Figure 1, 2, 3: this press-down type air outlet valve is made up of needle 1, valve gap 2, air filter piece 3, valve seat 4 and three rubber seals 5,6,7, metal needle 1 center is axially arranged with through hole 11, lower end is inserted from the top of valve gap 2, interference fit is formed with the axial inner via hole of valve gap 2, the bottom face of valve gap 2 is provided with circular worry gas sheet 3, valve gap is inserted in the inner chamber of valve seat 4 with interference, and worry gas sheet 3 is pressed between the bottom face of valve gap 2 and the inner chamber epimere bottom surface of valve seat 4, consider gas sheet 3 to be made of porous materials, special component combustion gas within specified temperatures, the gas flow flowing through it is only relevant with valid circulation area, we are provided with a garden type cavity 21 in the bottom of valve gap 2, cavity 21 does not extrude worry gas sheet 3 and keeps the unimpeded of gas, so its area of section is exactly the effective area of gas flow, certain cavity 21 also can be arranged on the valve seat 4 of another end face of considering gas sheet, their effects are identical, annulus outside the bottom pocket 21 of valve gap 2 tightly suppresses considers gas sheet 3, define the upper and lower end face standard sealing annulate lamella radially of considering gas sheet 3, the profile of valve seat 4 is made up of two sections of cylindricalitys, the large hypomere of epimere is little, the inner cylindrical inner chamber communicated also being provided with two sections, the large hypomere of epimere is little, the upper end open of epimere inner chamber, hypomere inner chamber is small blind hole 41, the hypomere of valve seat 4 is provided with small cross-drilled hole 42 and is communicated with blind hole 41, air discharge duct 43 is provided with bottom the outside epimere of valve seat, hypomere is arranged with three rubber seals 5, 6, 7, seal 7 is the closedowns controlling air outlet valve, 5, the Main Function of 6 is the extendable rooms increasing air outlet valve, if we want to make the retractility of air outlet valve better, some rubber seals also can be set more, but having arranged cost many will increase, three rubber seals are reasonable half-way houses.When we use lighter, press down by hand-motion air outlet valve slide downward, three rubber seals 5 bottom air outlet valve can be compressed, 6, 7, make them thinning, when the cross-drilled hole 42 of valve seat 4 exceeds last seal 7 of bottom, cross-drilled hole 42 is just communicated with gas box inside 81, gas in gas box will along the centre bore 11 of the centre bore-needle 1 of blind hole 41-worry gas sheet 3--valve gap 2 of cross-drilled hole 42-valve seat hypomere of valve seat, discharge from the top of needle 1, after finishing using, when we unclamp lighter by hand after, reset under the action of reset spring of piezoelectron inside by hand, air outlet valve also can reset under the effect of the bounce of bottom rubber seal, bottom rubber seal 5, 6, 7 recover original form, the cross-drilled hole 42 of valve seat has been retracted into the inside of last seal 7, close combustion gas, simultaneously, residual gas in the blind hole 41 of valve seat hypomere is by cross-drilled hole 42, along seal 5, the endoporus of 6, arrive the air discharge duct 43 specially arranged again to drain fast, if do not arrange air discharge duct 43, after lighter use terminates, residual gas in the blind hole 41 of valve seat hypomere slowly will be discharged from air-out needle top by considering gas sheet 3, leave great potential safety hazard, the rubber seal 7 of bottommost adopts O RunddichtringO, it will ensure to produce effective hermetic seal to the inwall of the hypomere outer wall of valve seat 4 and the air outlet valve cavity volume of gas box 8 simultaneously, we are rubber seal 5, large about the 0.2mm of external diameter of the hypomere outer wall of the ratio valve seat 4 that the endoporus of 6 does, be exactly more unimpeded in order to what the residual gas in blind hole 41 was arranged, also for compression, they reserve larger space simultaneously.
Specific embodiment 2: as shown in Figure 4, we allow the top of valve gap exceed the top of valve seat 4, and allow its top radially stretch out, form bulge loop 22, adopt this design, increase the topside area of valve gap 2, mainly be convenient to pressing down air outlet valve, and in use, make valve gap 2 use more firm and more firm with the interference fit of valve seat 4, prevent them from coordinating and get loose.
Specific embodiment 3: as shown in Figure 5,6, we are at the top of valve gap 2, arrange convex, block is as clamping mechanism 23, effective clamping is formed with the corresponding clamping mechanism 82 of lighter casing, adopting this Technology design mainly in order to block air outlet valve, air outlet valve can be allowed to slide up and down freely in certain scope, air outlet valve can be prevented again to be separated with gas box under the effect of the saturated pressure of the fuel of gas tank inside.The projection 23 of certain interface arrangment be provided with various ways, single projection 23 can be adopted, also 2 projections 23 can be adopted, both can it be arranged on valve gap 2, also can it be arranged on valve seat 4, as long as air outlet valve can be allowed to slide up and down freely in certain scope, air outlet valve and gas box can be prevented again to be separated just.
Claims (4)
1. one kind does not need the press-down type exhaust valve for lighter of regulating flame, it is characterized in that: it comprises metal needle, valve gap, air filter piece, valve seat and one or more rubber seal, described metal needle central shaft is to being provided with through hole, lower end is inserted from valve gap top, interference fit is formed with the axial inner via hole of valve gap, the bottom face of valve gap is provided with circular worry gas sheet, valve gap is inserted in the inner chamber of valve seat with interference, worry gas sheet is pressed between the bottom face of valve gap and the inner chamber epimere bottom surface of valve seat, form the radial accurate sealing in the upper and lower end face of considering gas sheet, the profile of valve seat is made up of two sections of cylindricalitys, the large hypomere of epimere is little, the inner cylindrical inner chamber communicated also being provided with two sections, the large hypomere of epimere is little, the upper end open of epimere inner chamber, hypomere inner chamber is provided with small blind hole, valve seat lower end is provided with small cross-drilled hole and is communicated with blind hole, the outside hypomere of valve seat is arranged with one or more rubber seal.
2. the press-down type exhaust valve for lighter not needing regulating flame according to claim 1, is characterized in that: described valve gap top higher than the top of valve seat, and radially stretches out, and forms bulge loop.
3. the press-down type exhaust valve for lighter not needing regulating flame according to claim 1, is characterized in that: on described valve gap or valve seat, be provided with clamping mechanism, form the effective clamping to lighter casing.
4. the press-down type exhaust valve for lighter not needing regulating flame according to claim 1 or 2 or 3, is characterized in that: the bottom of the outside epimere of described valve seat is provided with air discharge duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520390961.8U CN204786538U (en) | 2015-06-09 | 2015-06-09 | Need not adjust down -pressure type lighter air outlet valve of flame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520390961.8U CN204786538U (en) | 2015-06-09 | 2015-06-09 | Need not adjust down -pressure type lighter air outlet valve of flame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204786538U true CN204786538U (en) | 2015-11-18 |
Family
ID=54526584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520390961.8U Expired - Fee Related CN204786538U (en) | 2015-06-09 | 2015-06-09 | Need not adjust down -pressure type lighter air outlet valve of flame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204786538U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439907A (en) * | 2016-08-19 | 2017-02-22 | 史雪玲 | Adjustment-free downward pressing type lighter gas outlet valve |
-
2015
- 2015-06-09 CN CN201520390961.8U patent/CN204786538U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439907A (en) * | 2016-08-19 | 2017-02-22 | 史雪玲 | Adjustment-free downward pressing type lighter gas outlet valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151118 Termination date: 20190609 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |