CN218544509U

CN218544509U - A kind of lighter

Info

Publication number: CN218544509U
Application number: CN202222768845.8U
Authority: CN
Inventors: 巫炜来
Original assignee: Wenzhou Meiwen Cigarette Co ltd; Ningbo Ouqi Yanju Co ltd
Current assignee: Wenzhou Meiwen Cigarette Co ltd; Ningbo Ouqi Yanju Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-02-28
Anticipated expiration: 2032-10-20

Abstract

The utility model discloses a lighter relates to the technical field of ignition, including the gas tank, with gas tank welded connection's interior aircraft nose with install the subassembly of giving vent to anger on the interior aircraft nose, the subassembly of giving vent to anger include with the valve body of the internal thread jogged joint of interior aircraft nose, it can support to hold to have on the valve body location step on the interior aircraft nose top surface. The utility model discloses artifical simple to operate, and the quality is controllable to can use with lower ignition assembly combination.

Description

Lighter

Technical Field

The utility model relates to a technical field, concretely relates to lighter of striking sparks.

Background

The gas box is one of important components of the lighter, the used material quantity is the largest in the manufacturing process, on the premise of meeting the use function and using safety, materials with different strengths can be used for manufacturing according to different production processes, but the production cost can be obviously different, in order to enable the AS material which is fragile and low in price to be well applied to the gas box, the gas outlet valve component generally comprises a valve needle, a sealing ring, a compression spring, a valve body, a valve seat and a cup-shaped plastic component which is commonly called AS an 'inner joint', the inner joint is usually connected with the gas box, the valve body is in threaded connection with the inner joint, the gas outlet valve component is installed, under general conditions, the threaded connection structure can realize mass machine-rotating installation of the gas outlet valve component, in a factory where manual installation is still used, the defects of different installation heights of the valve body and unstable installation quality easily occur in the manual installation process of the valve body and the inner joint, and the valve body is easy to rotate, so that the gas outlet valve is not suitable for being used for adjusting a fire structure.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a lighter to solve the above technical problems.

In order to achieve the above object, the utility model provides a following technical scheme:

the lighter comprises a gas box, an inner machine head and a gas outlet assembly, wherein the inner machine head is welded to the gas box, the gas outlet assembly is installed on the inner machine head, the gas outlet assembly comprises a valve body connected with an inner threaded hole of the inner machine head, and the valve body is provided with a positioning step which can be abutted to the top surface of the inner machine head.

Furthermore, a first sealing ring is arranged between the valve body and the inner machine head, and a conical hole shoulder surface used for preventing the first sealing ring from moving inwards along the axial direction is arranged on the inner hole wall of the inner machine head.

Furthermore, the valve needle is in sliding fit with a pressing sleeve which is pressed in and installed in a valve hole of the valve body, an elastic retainer ring is arranged on the valve needle, and the elastic part acts on the elastic retainer ring to enable the air outlet assembly to keep a normally-closed state.

Furthermore, the elastic part is a spring sleeved on the valve needle, and a sealing component is arranged at the joint of the valve needle and the pressing sleeve.

Furthermore, the sealing assembly comprises a movable check ring and a second sealing ring which are sleeved on the valve needle, and the spring pushes the movable check ring to enable the second sealing ring to abut against the pressing sleeve.

Furthermore, a third sealing ring is arranged between the pressing sleeve and the valve body, and an arc table top for preventing the third sealing ring from moving inwards along the axial direction is arranged at the position of the valve body, which is in contact with the third sealing ring.

Furthermore, a rubber nail matched with the valve needle is provided with a sealing column which can be matched with the air inlet channel of the valve body.

Furthermore, the rubber nail is provided with a concave cavity matched with the convex part of the valve body, and the sealing column is positioned in the concave cavity.

Furthermore, the air inlet end of the valve body is connected with an air outlet copper pipe and a lower ignition component penetrating through the bottom surface of the air box, a sponge net piece assisting in gas gasification is further arranged in the air inlet end of the valve body, and an ignition rod of the lower ignition component is in threaded connection with the valve body.

Furthermore, the fire adjusting rod has the function of air entrainment.

According to the above technical solution, the utility model has the advantages that:

the combined use of the AS material air tank and the air outlet valve component is realized by welding and combining the machine head and the air tank in the lighter, so that the material cost of the air tank is reduced;

the arrangement of the positioning step enables the valve body and the inner machine head to overcome the defect of unstable installation height in the manual installation process, thereby improving the production efficiency, reducing the labor cost, avoiding the condition that the valve body rotates along with the rotation of the lower ignition rod during the rotation, and enabling the air outlet valve assembly to be combined with the lower ignition assembly for use;

the heat conduction of the air outlet copper pipe and the copper valve needle is fast, the sealing failure degree of the rubber nail caused by cooling can be reduced, and the problem of slow flameout is further solved.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the appearance structure of the present invention.

Fig. 2 is a schematic sectional view of the present invention.

Fig. 3 is an enlarged schematic structural view of the air outlet assembly of the present invention.

List of reference numerals: the gas tank comprises a gas tank 1, an inner machine head 2, a gas outlet assembly 3, a valve body 31, a positioning step 311, a valve needle 32, a pressing sleeve 33, a third sealing ring 34, a second sealing ring 35, a movable retainer ring 36, a spring 37, an elastic retainer ring 38, a rubber nail 39, a cavity 391, a sealing column 392, a gas outlet copper pipe 310, a first sealing ring 4, a lower ignition assembly 5, a fourth sealing ring 51, a sponge net piece 6 and a gas inlet valve 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

The present application is further described with reference to fig. 1 to 3, and as shown in fig. 1 and 2, the lighter includes a gas box 1, an inner handpiece 2 welded to the gas box 1, and a gas outlet assembly 3 mounted on the inner handpiece 2, where the gas outlet assembly 3 includes a valve body 31 connected to an internal thread hole of the inner handpiece 2, and the valve body 31 has a positioning step 311 capable of abutting against the top surface of the inner handpiece 2. The inner machine head and the gas box of the disposable lighter are kept in welding combination, the AS material gas box and the gas outlet valve assembly are combined for use, the cost of the gas box material is reduced, the positioning step 311 is arranged, the defect that the installation height of the valve body 31 and the inner machine head 2 is unstable in the manual installation process can be overcome, the production efficiency is improved, the labor cost is reduced, the positioning step 311 and the friction force generated between the inner machine head 2 can be used, the situation that the valve body 31 rotates along with the rotation of the lower ignition rod when the lower ignition rod rotates can be avoided, the gas outlet valve assembly can be combined with the lower ignition assembly 5 for use, and the ignition is convenient, reliable and stable.

As shown in fig. 2 and 3, a first seal ring 4 is disposed between the valve body 31 and the inner head 2, and a taper hole shoulder surface for preventing the first seal ring 4 from moving inward in the axial direction is disposed on an inner hole wall of the inner head 2. The setting of first sealing washer 4 makes valve body 31 with the leakproofness is good between the interior aircraft nose 2, the setting of location step 311 also can be avoided valve body 31 is right first sealing washer 4 excessively extrudees and causes the damage, makes sealed reliable.

The valve needle 32 is in sliding fit with a pressing sleeve 33 which is press-fitted in a valve hole of the valve body 31, and a circlip 38 is arranged on the valve needle 32, and an elastic member acts on the circlip 38 to keep the air outlet assembly 3 in a normally closed state. The combination use of the pressing sleeve 33 and the elastic retainer ring 38 makes the needle body of the valve needle 32 be in a straight cylinder shape, the structure is simple, the manufacture is convenient, the valve body 31 is convenient to manufacture, the limiting installation of the valve needle 32 is realized by pressing the pressing sleeve 33, and the installation speed is high.

The elastic part is a spring 37 sleeved on the valve needle 32, the spring 37 is limited between the elastic check ring 38 and the pressing sleeve 33, the spring 37 is used for pushing the elastic check ring 38 to be far away from the pressing sleeve 33, and a sealing component is arranged at the joint of the valve needle 32 and the pressing sleeve 33, so that the valve needle 32 and the pressing sleeve 33 have good sealing performance.

The elastic member may also be an elastic plate or other elastic mechanism.

The sealing components are a movable check ring 36 and a second sealing ring 35 which are both arranged on the valve needle 32, and the spring 37 pushes the movable check ring 36 to enable the second sealing ring 35 to abut against the pressing sleeve 33. The second sealing ring 35 and the pressing sleeve 33 are reliably abutted by the arrangement of the movable retainer ring 36, so that sealing is stable.

Specifically, a groove for accommodating the second seal ring 35 is formed in the bottom surface of the pressing sleeve 33, and after the second seal ring 35 is extruded and deformed to a certain extent, the movable check ring 36 abuts against the bottom surface of the pressing sleeve 33 to prevent the second seal ring 35 from being excessively deformed, so that the sealing pressure can be improved, and the service life of the second seal ring 35 is prolonged.

A third sealing ring 34 is arranged between the pressing sleeve 33 and the valve body 31, and an arc table top for preventing the third sealing ring 34 from moving inwards along the axial direction is arranged at the position of the valve body 31, which is in contact with the third sealing ring 34.

Specifically, the pressing sleeve 33 includes a pressing shaft and a pressing cover with gradually increasing diameters, an annular groove for installing the third sealing ring 34 is formed in the joint of the pressing shaft and the pressing cover, the pressing shaft and the pressing cover are respectively connected with the corresponding hole sections of the valve hole of the valve body 31 in an interference fit manner, and the third sealing ring 34 is used for improving the sealing performance between the pressing sleeve 33 and the valve body 31.

The rubber spike 39 used in cooperation with the valve needle 32 has a sealing post 392 capable of cooperating with the intake passage of the valve body 31. When the valve needle 32 is reset, the sealing column 392 can be quickly inserted into the air inlet channel to prevent the air from continuously overflowing, so that the flameout is quick.

The rubber nail 39 has a cavity 391 for cooperating with the boss of the valve body 31, and the sealing column 392 is located in the cavity 391. The rubber nails 39 can rapidly close the air inlet channel by matching the convex part with the cavity 391, so that the problem of slow flameout is solved.

The gas inlet end of the valve body 31 is connected with a gas outlet copper pipe 310 and a lower ignition component 5 penetrating through the bottom surface of the gas box 1, a sponge net piece 6 assisting in gas gasification is further arranged in the gas inlet end of the valve body 31, the upper end of the lower ignition component 5 is pressed on the sponge net piece 6, and an ignition adjusting rod of the lower ignition component 5 is in threaded connection with the valve body 31.

Valve needle 32 uses the copper material to make, and the heat conduction of outlet copper pipe 310 and copper valve needle 32 is fast, can slow down the leakproofness inefficacy degree that rubber nail 39 caused because the cooling, and then improves the slow problem of flame-out, uses this outlet assembly to solve and lasts 2 minutes burning flame-out within five seconds's industry test requirement.

In an embodiment of this application, only have the function of adjusting a fire of adjusting the fire pole simple, the wheel of adjusting a fire is installed to the bottom of adjusting the fire pole, makes things convenient for manual regulation, just adjust the fire pole with be equipped with at least round fourth sealing washer 51 between the gas tank 1, still be equipped with admission valve 7 on the bottom of gas tank 1.

In one embodiment of the present application, the fire-adjusting lever has a gas-filling function.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The lighter is characterized by comprising an air box (1), an inner machine head (2) and an air outlet assembly (3), wherein the inner machine head (2) is connected with the air box (1) in a welded mode, the air outlet assembly (3) is installed on the inner machine head (2), the air outlet assembly (3) comprises a valve body (31) connected with an inner threaded hole of the inner machine head (2), and the valve body (31) is provided with a positioning step (311) which can be abutted to the top face of the inner machine head (2).

2. The lighter according to claim 1, wherein a first sealing ring (4) is arranged between the valve body (31) and the inner nose (2), and a conical hole shoulder surface for preventing the first sealing ring (4) from moving inwards in the axial direction is arranged on the inner hole wall of the inner nose (2).

3. The lighter according to claim 1, wherein the valve needle (32) is slidably engaged with a pressing sleeve (33) which is press-fitted in a valve hole of the valve body (31), and a resilient collar (38) is provided on the valve needle (32), and the resilient member acts on the resilient collar (38) to keep the air outlet assembly (3) in a normally closed state.

4. The lighter according to claim 3, wherein the resilient member is a spring (37) fitted over the needle (32), and a sealing member is provided at a junction between the needle (32) and the pressing sleeve (33).

5. The lighter according to claim 4, wherein the sealing component is a movable retainer (36) and a second sealing ring (35) which are both sleeved on the valve needle (32), and the spring (37) pushes the movable retainer (36) to enable the second sealing ring (35) to abut against the pressing sleeve (33).

6. The lighter according to claim 3, wherein a third sealing ring (34) is arranged between the pressing sleeve (33) and the valve body (31), and a circular arc table surface for preventing the third sealing ring (34) from moving inwards in the axial direction is arranged at the position of the valve body (31) contacted with the third sealing ring (34).

7. The lighter according to claim 3, wherein the rubber spike (39) cooperating with the valve needle (32) has a sealing post (392) capable of cooperating with the air inlet channel of the valve body (31).

8. The lighter according to claim 7, wherein the rubber spike (39) has a cavity (391) for engaging with the protrusion of the valve body (31), and the sealing post (392) is located in the cavity (391).

9. The lighter according to claim 1, wherein the air inlet end of the valve body (31) is connected with an air outlet copper tube (310) and a lower ignition component (5) penetrating through the bottom surface of the air box (1), a sponge net sheet (6) for assisting gas gasification is further arranged in the air inlet end of the valve body (31), and an ignition rod of the lower ignition component (5) is in threaded connection with the valve body (31).

10. The lighter according to claim 9, wherein the flame rod has a gas-entraining function.