CN221611426U - Lighter air feed assembly - Google Patents

Abstract

The utility model provides a lighter air feed subassembly, includes sleeve pipe and air inlet head, the air inlet head is including the cover of admitting air and the subassembly that admits air, the subassembly that admits air is located admit air in the cover, open on sheathed tube upper portion has the air inlet, the cover of admitting air suit is in with the sheathed tube inner chamber lower part up-and-down motion, the air feed subassembly is still including being used for preventing the gas blocking piece of residual air feed, the gas blocking piece is normally closed type pneumatic valve, the gas blocking piece is located the sleeve pipe inner chamber, when admitting air the cover upward movement roof-open be open the state of ventilating when blocking the gas piece, when admitting air the cover downward movement be the off state when blocking the gas piece and resetting. The utility model effectively improves the safety performance and improves the experience of use.

Description

Lighter air feed assembly

Technical Field

The utility model belongs to the field of lighters, and particularly relates to a lighter air supply assembly.

Background

The lighter is used as an ignition device, in the daily use process, as the flame is easy to be blown out by strong wind, manufacturers extend and design the lighter with windproof performance, fuel gas enters a gasification cavity after being regulated, is fully mixed with air and is ignited by a piezoelectric igniter, and most of the fuel gas is sprayed out from the ignition cavity at high pressure, so that the flame is formed, but the windproof lighter still has the defects: after the ignition button is reset, the whole air supply channel still has a lot of air, and the rest air enters to enable the combustion to continue; the lighter is used as daily necessities of people, and under normal temperature condition, continuous burning after stopping work can influence the use experience sense, security performance reduces, and under low temperature condition, after stopping work, continuous burning time can last longer, and the security performance is lower.

Disclosure of Invention

In order to overcome the defects of lower safety performance and poorer use experience of the existing lighter, the utility model provides the lighter air supply assembly which effectively improves the safety performance and improves the use experience.

The technical scheme adopted for solving the technical problems is as follows:

The utility model provides a lighter air feed subassembly, includes sleeve pipe and air inlet head, the air inlet head is including the cover of admitting air and the subassembly that admits air, the subassembly that admits air is located admit air in the cover, open on sheathed tube upper portion has the air inlet, the cover of admitting air suit is in with the sheathed tube inner chamber lower part up-and-down motion, the air feed subassembly is still including being used for preventing the gas blocking piece of residual air feed, the gas blocking piece is normally closed type pneumatic valve, the gas blocking piece is located the sleeve pipe inner chamber, when admitting air the cover upward movement roof-open be open the state of ventilating when blocking the gas piece, when admitting air the cover downward movement be the off state when blocking the gas piece and resetting.

According to the utility model, the gas-blocking piece is used for blocking or weakening upward gas supply, and after the ignition button is reset, the gas-blocking piece is reset, and the residual gas is blocked by the gas-blocking piece, so that flame extinction is accelerated, the safety performance is effectively improved, and the use experience is improved.

Further, the gas barrier is mounted in the middle of the inner cavity of the sleeve. This is a preferred mounting scheme for the gas barrier.

Preferably, the lower middle cavity of the sleeve is provided with a step, and the air blocking piece is fixed at the step of the inner cavity of the sleeve.

Still preferably, the bottom of the gas barrier is fixed by a fixing ring, and the fixing ring is fixed in the inner cavity of the sleeve. The top of the air inlet sleeve is provided with a convex tip.

The gas barrier comprises an annular body and a gas barrier tip, the gas barrier tip is positioned in the middle of the annular body, and the gas barrier tip is matched with the convex tip of the gas inlet sleeve.

Or is: the air blocking piece is arranged on the air outlet top surface of the air inlet sleeve.

Preferably, a downward convex part is arranged in the middle of the inner cavity of the sleeve, and the convex part is matched with the air blocking piece. This is another preferred mounting scheme for the gas barrier. Still further, the gas barrier is an elastomeric gas barrier.

Preferably, the elastic material is sealing rubber. Of course, other materials may be used, such as a metal sheet having elasticity.

Furthermore, a straight hole is formed in the middle of the air blocking piece.

Preferably, the gas barrier is provided with two straight holes which are arranged in a staggered manner. For example, the cross holes, or the rice-shaped holes, etc. can be formed.

More preferably, a straight hole is formed in the center or the eccentric position of the air blocking piece.

According to the scheme, the air inlet head is connected with the air outlet needle of the lighter, the air outlet needle of the lighter is linked with the seesaw in the lighter, the button drives the seesaw to tilt upwards, and the air outlet needle is driven to work upwards, so that the air inlet head is driven to move upwards, and at the moment, the air outlet needle supplies air; the button drives the rocker to reset, drives the air outlet needle to move downwards, and then drives the air inlet head to move downwards, and at the moment, the air outlet needle stops supplying air;

When the air outlet needle of the lighter moves upwards (when the ignition work feeds air), the whole air inlet head is driven to move upwards, and at the moment, the convex tip or the convex part of the air inlet sleeve pushes the air blocking piece open the ventilation channel; a high pressure laser beam column is supplied to the upper portion.

When the lighter air outlet needle moves downwards (the ignition is finished and the work is reset), the whole air inlet head is driven to move downwards, at the moment, the convex tip or the convex part of the air inlet sleeve leaves the air blocking piece, the air blocking piece closes the ventilation channel, and the remained high-pressure laser air flow column does not weaken or change the direction and the pressure to supply air.

Due to the presence of the gas barrier, even if there is residual gas, the residual gas can be exhausted downwards, and no more gas can be supplied upwards; or even if the gas-blocking piece is not completely sealed, partial upward gas supply is caused, the blocking direction of the gas-blocking piece is changed, the high-pressure gas is reduced to low-pressure gas, the power for upward gas supply is lost, and the gas-blocking piece is insufficient for upper combustion.

The beneficial effects of the utility model are mainly shown in the following steps: effectively improves the safety performance and improves the experience of use.

Drawings

Fig. 1 is a schematic view of a lighter gas supply assembly.

Fig. 2 is a schematic view of another lighter gas supply assembly.

Fig. 3 is a view of the operation of fig. 1.

Fig. 4 is an example diagram of fig. 3.

Fig. 5 is a diagram of an example of yet another lighter gas supply assembly.

Fig. 6 is a diagram of an example of another lighter gas supply assembly.

Fig. 7 is an operational state diagram of fig. 6.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

Referring to fig. 1 to 7, a lighter air supply assembly comprises a sleeve 1 and an air inlet head, wherein the air inlet head comprises an air inlet sleeve 2 and an air inlet assembly, the air inlet assembly is positioned in the air inlet sleeve 2, an air inlet 1-2 is formed in the upper portion of the sleeve 1, the air inlet sleeve 2 is sleeved on the lower portion of an inner cavity of the sleeve 1 in a vertically movable manner, the air supply assembly further comprises an air blocking piece 3 for preventing residual air from being supplied, the air blocking piece 3 is a normally closed air valve, the air blocking piece is positioned in the inner cavity of the sleeve 1, and is in an open and air-permeable state when the air inlet sleeve 2 moves upwards to push up the air blocking piece 3, and is in a closed and air-permeable state when the air inlet sleeve 2 moves downwards and the air blocking piece 3 resets.

Further, the air blocking piece 3 is arranged in the middle of the inner cavity of the sleeve 1. This is one preferred mounting scheme for the gas barrier.

Preferably, a step is arranged in the inner cavity of the middle lower part of the sleeve 2, and the air blocking piece 3 is fixed at the step of the inner cavity of the sleeve 2.

Still preferably, the bottom of the gas barrier 3 is fixed by a fixing ring 4, and the fixing ring 4 is fixed in the inner cavity of the sleeve 2. The top of the air inlet sleeve 2 is provided with a convex tip 2-1.

The gas barrier 3 comprises an annular body and a gas barrier tip 3-1, the gas barrier tip 3-1 is positioned in the middle of the annular body, and the gas barrier tip 3-1 is matched with the convex tip 2-1 of the gas inlet sleeve.

Still further, the gas barrier 3 is an elastic material gas barrier.

Or is: the air blocking piece 3 is arranged on the air outlet top surface of the air inlet sleeve 1. Referring to fig. 6 and 7, this is another preferred mounting arrangement for the gas barrier.

Preferably, a downward convex part 1-4 is arranged in the middle of the inner cavity of the sleeve 1, and the convex part 1-4 is matched with the air blocking piece. Preferably, the elastic material is sealing rubber. Of course, other materials may be used, such as a metal sheet having elasticity.

The gas barrier 3 comprises an annular body and a gas barrier tip 3-1, the gas barrier tip 3-1 is positioned in the middle of the annular body, and the gas barrier tip 3-1 is matched with the convex part 1-4.

Furthermore, a straight hole is formed in the middle of the air blocking piece 3.

Preferably, the air blocking piece 3 is provided with two straight holes, and the two straight holes are arranged in a crossing way. For example, the cross holes, or the rice-shaped holes, etc. can be formed.

More preferably, a straight hole is formed at the center or the eccentric position of the air blocking piece 3. The eccentricity is to change the direction of the air flow and the air pressure.

The choke 3 of the present embodiment is typically a choke piece.

In this embodiment, the pore size of the openings such as the straight holes can be set according to the needs, and the pore size can be zero or smaller; particularly, when the air flow is eccentric, the pore of the straight hole can be set to be a smaller value, and the small hole can be used for locally and upwards slowly discharging the air flow with changed direction.

In this embodiment, the lower part of the air inlet assembly may be connected to the air outlet needle 9 of the lighter extending into the bottom of the air inlet sleeve, or may be communicated with the air outlet needle 9 of the lighter through a leather hose.

In the utility model, the sleeve 1 is a metal sleeve, the gas blocking piece is used for blocking or weakening upward gas supply, and when the ignition button is reset, the gas blocking piece is reset, and the residual gas is blocked by the gas blocking piece, so that flame extinction is accelerated, the safety performance is effectively improved, and the use experience is improved.

The working process of the utility model comprises the following steps:

The air outlet needle 9 of the lighter is linked with a seesaw in the lighter, the button drives the seesaw to tilt upwards, and the air outlet needle is driven to work upwards, so that the air outlet needle supplies air; the button drives the rocker to reset and drives the air outlet needle 9 to move downwards, which is to stop air supply of the air outlet needle;

When the lighter air outlet needle 9 moves upwards (when the ignition work is carried out), the whole air inlet head is driven to move upwards, and referring to fig. 3 and 5, the convex tip of the air inlet sleeve 2 is propped against the air blocking piece 3 to expose the ventilation channel; or referring to fig. 7, the convex parts 1-4 push up the air blocking piece 3 to expose the ventilation channel; a high-pressure laser beam column 10 is supplied to the upper portion.

When the lighter air outlet needle 9 moves downwards (the ignition is finished and the work is reset), the whole air inlet head is driven to move downwards, and referring to fig. 3 and 5, the convex tip 2-1 of the air inlet sleeve 2 leaves the air blocking piece 3; alternatively, referring to fig. 7, the protrusions 1-4 are separated from the gas barrier 3, the gas barrier 3 closes the vent passage, and the remaining high pressure laser gas flow column is no longer or weakened or changes direction and pressure gas supply.

Due to the presence of the gas barrier 3, even if there is residual gas, this residual gas can be evacuated downwards without any further supply of gas upwards; or even if the gas barrier 3 is not completely sealed, part of the gas is supplied upwards, the blocking direction by the gas barrier 3 is changed, the high-pressure gas is reduced to low-pressure gas, the power for supplying the gas upwards is lost, and the gas is insufficient for upper combustion.

Referring to fig. 4, an overhanging ring 1-3 is provided at the upper part of the sleeve, an air outlet part 11 is provided in the overhanging ring 1-3, the overhanging ring 1-3 is connected with the air outlet part 11, the air outlet part is provided with an air outlet hole, and the bottom of the air outlet part 11 is provided with an air inlet area.

The air inlet assembly comprises a pressurizing sheet 5, a sealing ring 6, a filter screen sheet 7 and a tail cap 8, wherein the bottom surface of the pressurizing sheet 5 is connected with the sealing member 6, the filter screen sheet 7 is positioned on the bottom surface of the sealing member 6, the filter screen sheet 7 is positioned by the tail cap 8, and the tail cap 8 is internally provided with an air outlet needle 9 of the lighter. This is a common way of air intake assembly, although other ways may be used.

Referring to fig. 5, a ceramic cup 12 is installed at the upper portion of the casing 1, and an air outlet 11 is installed at the upper portion of the casing 1 through a connection seat 13.

The embodiments described in this specification are merely illustrative of the manner in which the inventive concepts may be implemented. The scope of the present utility model should not be construed as being limited to the specific forms set forth in the embodiments, but the scope of the present utility model and the equivalents thereof as would occur to one skilled in the art based on the inventive concept.

Claims (12)

1. The utility model provides a lighter air feed subassembly, includes sleeve pipe and air inlet head, the air inlet head is including admitting air the cover and admitting air the subassembly, admitting air the subassembly and be located admitting air the cover is interior, open on sheathed tube upper portion has the air inlet, the cover of admitting air is in with the cover suit that admits air can reciprocate sheathed tube inner chamber lower part, a serial communication port, the air feed subassembly is still including being used for preventing the gas blocking piece of residual air feed, the gas blocking piece is normally closed type pneumatic valve, the gas blocking piece is located the sleeve pipe inner chamber, roof-open when admitting air the cover upward movement be the state of ventilating of opening when admitting air the cover downward movement when blocking the gas piece resets and be the off state.

2. The lighter gas supply assembly of claim 1, wherein the gas barrier is mounted in a central portion of the interior cavity of the sleeve.

3. The lighter gas supply assembly of claim 2, wherein the lower interior cavity of the sleeve is provided with a step, and the gas barrier is secured to the sleeve at the step.

4. A lighter gas supply assembly as in claim 3, wherein the bottom of the gas barrier is secured by a retainer ring secured to the interior of the sleeve.

5. A lighter gas supply assembly as in any one of claims 2-4, wherein the top of the gas inlet sleeve is provided with a protruding tip.

6. The lighter air supply assembly of claim 5, wherein the air blocking member includes an annular body and an air blocking member tip, the air blocking member tip being located in a central portion of the annular body, the air blocking member tip being engaged with the male tip of the air inlet sleeve.

7. The lighter gas supply assembly of claim 1, wherein the gas barrier is mounted to the gas outlet top surface of the gas inlet housing.

8. The lighter gas supply assembly of claim 7, wherein the central portion of the interior cavity of the sleeve has a downward projection, the projection engaging the gas barrier.

9. The lighter gas supply assembly of any of claims 1-4, 7, 8, wherein the gas barrier is a resilient material gas barrier.

10. The lighter gas supply assembly as in one of claims 1-4, 7, 8, wherein the gas barrier has a slot in the middle.

11. The lighter air supply assembly of claim 10, wherein the air blocking member has two in-line holes disposed in a staggered relationship.

12. The lighter gas supply assembly of claim 10, wherein the gas barrier has a slot in the center or off center.