CN210841565U

CN210841565U - Electronic cigarette tobacco tar injector

Info

Publication number: CN210841565U
Application number: CN201921746929.3U
Authority: CN
Inventors: 龚晓峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-17
Filing date: 2019-10-17
Publication date: 2020-06-26
Anticipated expiration: 2029-10-17

Abstract

The utility model discloses an electron cigarette tobacco tar injector, this electron cigarette tobacco tar injector includes: a housing; the injection mechanism comprises an injection tube arranged in the shell, a piston arranged in the injection tube and a screw rod connected with the piston and used for pushing the piston to move in the injection tube, a screw hole is arranged in the shell, and the screw rod is spirally arranged in the screw hole; the needle nozzle at the tail end of the injection tube penetrates through the lower end of the shell and extends out of the lower end of the shell; and a pushing mechanism for pushing the screw to rotate so as to move downwards and be resettable, which is installed at the upper end of the housing. The utility model discloses can repetitious usage injection tobacco tar, and after no tobacco tar in the injection tube, can pack into the tobacco tar again and reach repetitious usage's efficiency, avoid appearing abandoning and cause the phenomenon extravagant and cause environmental pollution to so that can reach environmental protection and energy saving's efficiency, the order the utility model discloses extremely strong market competition has.

Description

Electronic cigarette tobacco tar injector

The technical field is as follows:

the utility model relates to an electron cigarette technical field refers in particular to an electron cigarette tobacco tar injector.

Background art:

the electronic cigarette is also named as an electronic cigarette and is mainly used for quitting smoking and replacing cigarettes. It has the same appearance and taste as cigarette, even has more taste than common cigarette, and can suck cigarette and taste like cigarette. Electronic cigarettes do not contain other harmful components such as tar, suspended particles and the like in cigarettes, and manufacturers also consider electronic cigarettes to have no diffuse or bewildering second-hand smoke so as to be widely used.

At present, the electronic cigarette generally uses tobacco tar as an atomized substance to be heated to generate smoke. In order to prolong the service life of the electronic cigarette, an oil filling hole and an oil filling plug are added to a cigarette oil container (such as a cigarette bullet) of the electronic cigarette by a manufacturer, the oil filling plug is pulled out of the oil filling hole to fill oil when the oil is required to be filled, and the oil filling hole is blocked by the oil filling plug after the oil is filled.

However, when the tobacco tar is injected into the electronic cigarette cartridge, the tobacco tar is generally injected into the electronic cigarette cartridge by using the conventional disposable syringe, i.e., the tobacco tar in the disposable syringe is injected into the electronic cigarette cartridge, and after the disposable syringe is used up each time, the disposable syringe is discarded, so that secondary use cannot be realized, waste is caused, environmental pollution is caused, and the effects of environmental protection and energy conservation cannot be achieved.

In view of the above, the present inventors propose the following.

The utility model has the following contents:

an object of the utility model is to overcome prior art not enough, provide an electron cigarette tobacco tar injector.

In order to solve the technical problem, the utility model discloses a following technical scheme: this electron cigarette tobacco tar injector includes: a housing; the injection mechanism comprises an injection tube arranged in the shell, a piston arranged in the injection tube and a screw rod connected with the piston and used for pushing the piston to move in the injection tube, a screw hole is arranged in the shell, and the screw rod is spirally arranged in the screw hole; the needle nozzle at the tail end of the injection tube penetrates through the lower end of the shell and extends out of the lower end of the shell; and a pushing mechanism for pushing the screw to rotate so as to move downwards and be resettable, which is installed at the upper end of the housing.

Furthermore, in the above technical solution, the casing includes a lower casing, a first middle casing detachably mounted on an upper end of the lower casing, a second middle casing detachably mounted on an upper end of the first middle casing, and an upper casing detachably mounted on an upper end of the second middle casing, the syringe is mounted in the lower casing, a pressing plate formed in a middle of the first middle casing presses the syringe, and the pressing plate is provided with the screw hole therein; the pushing mechanism is installed in the second middle housing and the upper housing.

Furthermore, in the above technical solution, the lower case is provided with a plurality of windows for observing the smoke oil in the injection tube, and the injection tube is a transparent tube.

Furthermore, in the above technical solution, the pushing mechanism includes a bevel gear disc installed in the second middle shell, a return spring installed between the bevel gear disc and the first middle shell, a driving rod installed at an upper end of the bevel gear disc, and a pressing cap sleeved at an upper end of the driving rod, a first tooth portion at the upper end of the bevel gear disc is engaged with a second tooth portion at a lower end of the driving rod, and an upper end of the pressing cap passes through an upper end of the upper shell and is exposed outside the upper end of the upper shell; the upper end of the screw rod sequentially penetrates through the reset spring, the first through hole of the helical fluted disc and the second through hole of the driving rod and then extends into the sliding groove of the pressing cap.

Further, in the above technical solution, an installation groove is formed at the lower end of the button cap, and an inward-protruding anti-drop snap ring is formed on the inner wall of the installation groove; the upper end of the driving rod is arranged in the mounting groove, and the anti-falling clamp ring is sleeved at the lower end of a convex ring formed on the periphery of the upper end of the driving rod.

Furthermore, in the above technical solution, the lower casing, the first middle casing, the second middle casing and the upper casing are all connected by a spiral fixing manner.

Further, in the above technical scheme, the lower end of the lower shell is further connected with a needle cap for plugging the needle nozzle.

After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: when the utility model is used, the injection tube is filled with tobacco tar, and after the tobacco tar is inserted into the smoke cartridge of the electronic cigarette through the needle mouth at the tail end of the injection tube, the screw rod is pushed to rotate through the pushing mechanism to move downwards, after the pushing is carried out once, the pushing mechanism resets, at the moment, the screw rod advances spirally relative to the screw hole, so as to ensure that the moving distance of the screw rod is equal each time, namely, the moving distance of the piston is also equal, so that the equivalent tobacco tar can be injected into the smoke cartridge of the electronic cigarette each time through the injection tube, the phenomenon that the excessive tobacco tar is injected and flows out to cause waste is avoided, or the excessive tobacco tar is injected and needs repeated injection for a plurality of times is avoided, the use is very convenient, the utility model can use the injection tobacco tar for a plurality of times, and after no tobacco tar is contained in the injection tube, the tobacco tar can be re-filled to achieve the effect of repeated use, so as to achieve the effects of environmental protection and energy saving, and the utility model has strong market competitiveness.

Description of the drawings:

fig. 1 is a perspective view of the present invention;

fig. 2 is an exploded perspective view of the present invention;

fig. 3 is a cross-sectional view of the present invention.

The specific implementation mode is as follows:

the present invention will be further described with reference to the following specific embodiments and accompanying drawings.

Referring to fig. 1-3, an e-liquid dispenser is shown, comprising: a housing 1; an injection mechanism 2, which comprises a syringe 21 arranged in the housing 1, a piston 22 arranged in the syringe 21 and a screw 23 connected with the piston 22 and used for pushing the piston 22 to move in the syringe 21, wherein the housing 1 is internally provided with a screw hole 10, and the screw 23 is spirally arranged in the screw hole 10; the needle nozzle 24 at the end of the injection tube 21 passes through the lower end of the shell 1 and extends out of the lower end of the shell 1; a pushing mechanism 3 for pushing the screw 23 to rotate to move downward and to be resettable, which is installed at an upper end of the housing 1. When the utility model is used, the injection tube 21 is filled with the tobacco tar, and after the tobacco tar is inserted into the smoke cartridge of the electronic cigarette through the needle nozzle 24 at the tail end of the injection tube 21, the screw 23 is pushed to rotate through the pushing mechanism 3 to move downwards, and after the pushing is carried out once, the pushing mechanism 3 resets, at the moment, the screw 23 advances spirally relative to the screw hole 10, so as to ensure that the distance of each movement of the screw 23 is equal, namely the distance of the movement of the piston 22 is also equal, so that each time the injection tube 21 can inject the equivalent tobacco tar into the smoke cartridge of the electronic cigarette, thereby avoiding the waste caused by the outflow of too much tobacco tar or the repeated injection of too little tobacco tar, the use is very convenient, and the utility model can use the injection tube 21 for many times, and after no tobacco tar exists in the injection tube 21, the tobacco tar can be re-filled to achieve the effect of repeated use, thereby avoiding the waste and the environmental pollution caused by the abandonment, so as to achieve the effects of environmental protection and energy saving, and the utility model has strong market competitiveness.

The shell 1 comprises a lower shell 11, a first middle shell 12 detachably mounted at the upper end of the lower shell 11, a second middle shell 13 detachably mounted at the upper end of the first middle shell 12, and an upper shell 14 detachably mounted at the upper end of the second middle shell 13, wherein the injection tube 21 is mounted in the lower shell 11, a pressing plate 121 formed at the middle part of the first middle shell 12 presses the injection tube 21, and the pressing plate 121 is provided with the screw hole 10; the pushing mechanism 3 is installed in the second middle case 13 and the upper case 14.

The lower shell 11 is provided with a plurality of windows 111 for observing the tobacco tar in the injection tube 21, and the injection tube 21 is a transparent tube, so that the amount of the tobacco tar in the injection tube 21 can be observed through the windows 111, and when the tobacco tar is too little, the tobacco tar can be supplemented in time, and the use is more convenient.

The pushing mechanism 3 includes a helical gear 31 installed in the second middle housing 13, a return spring 32 installed between the helical gear 31 and the first middle housing 12, a driving rod 33 installed at the upper end of the helical gear 31, and a pressing cap 34 sleeved at the upper end of the driving rod 33, a first tooth portion 311 at the upper end of the helical gear 31 is meshed with a second tooth portion 331 at the lower end of the driving rod 33, and the upper end of the pressing cap 34 passes through the upper end of the upper housing 14 and is exposed out of the upper end of the upper housing 14; the upper end of the screw 23 sequentially passes through the return spring 32, the first through hole of the helical gear plate 31 and the second through hole of the driving rod 33 and then extends into the sliding groove 341 of the pressing cap 34, and when the helical gear plate 31 rotates, the screw 23 can be driven to rotate. When the pushing mechanism 3 works, the pressing cap 34 is pressed to drive the driving rod 33 to move downwards, the driving rod 33 drives the bevel gear plate 31 to rotate through the cooperation of the second tooth portion 331 and the first tooth portion 311 at the upper end of the bevel gear plate 31, the screw rod 23 can be driven to rotate when the bevel gear plate 31 rotates, the screw rod 23 rotates to move downwards, finally, the driving rod 3 and the pressing cap 34 reset under the action of the reset spring, and the screw rod 23 can push the piston 22 to move in the injection cylinder 21 after moving downwards, so that the purpose of injection is achieved.

An installation groove 342 is formed at the lower end of the pressing cap 34, and an anti-falling snap ring 343 protruding inwards is formed on the inner wall of the installation groove 342; the upper end of the driving rod 33 is mounted in the mounting groove 342, and the anti-slip snap ring 343 is sleeved on the lower end of the convex ring 332 formed on the periphery of the upper end of the driving rod 33.

The lower shell 11, the first middle shell 12, the second middle shell 13 and the upper shell 14 are connected in a spiral fixing mode, so that the assembly and disassembly are convenient, and the use is very convenient.

The lower end of the lower shell 11 is also connected with a needle cap 15 for plugging the needle nozzle 24, and the needle nozzle 24 is plugged through the needle cap 15.

To sum up, in the use of the present invention, the injection tube 21 is filled with the tobacco tar, and after the tobacco tar is inserted into the smoke cartridge of the electronic cigarette through the needle nozzle 24 at the end of the injection tube 21, the screw 23 is pushed by the pushing mechanism 3 to rotate to move downwards, and after the pushing is performed once, the pushing mechanism 3 resets, at this time, the screw 23 advances spirally relative to the screw hole 10, so as to ensure that the distance of each movement of the screw 23 is equal, i.e. the distance of each movement of the piston 22 is also equal, so that the equivalent tobacco tar can be injected into the smoke cartridge of the electronic cigarette by each injection tube 21, thereby avoiding the waste caused by the outflow of too much tobacco tar, or the waste caused by too few injections and repeated injections, and the use is very convenient, and the utility model can inject the tobacco tar repeatedly, and after no tobacco tar exists in the injection tube 21, the tobacco tar can be re-filled into the tobacco tar to achieve the effect of repeated use, thereby avoiding the waste and causing the environmental pollution, so as to achieve the effects of environmental protection and energy saving, and the utility model has strong market competitiveness.

Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.

Claims

1. The utility model provides an electron cigarette tobacco tar injector which characterized in that: it includes:

a housing (1);

the injection mechanism (2) comprises an injection cylinder (21) arranged in the shell (1), a piston (22) arranged in the injection cylinder (21) and a screw rod (23) connected with the piston (22) and used for pushing the piston (22) to move in the injection cylinder (21), a screw hole (10) is formed in the shell (1), and the screw rod (23) is spirally arranged in the screw hole (10); a needle nozzle (24) at the tail end of the injection tube (21) penetrates through the lower end of the shell (1) and extends out of the lower end of the shell (1);

a pushing mechanism (3) for pushing the screw (23) to rotate to move downward and to be resettable, which is installed at the upper end of the housing (1).

2. The e-liquid injector of claim 1, wherein: the shell (1) comprises a lower shell (11), a first middle shell (12) which is detachably mounted at the upper end of the lower shell (11), a second middle shell (13) which is detachably mounted at the upper end of the first middle shell (12), and an upper shell (14) which is detachably mounted at the upper end of the second middle shell (13), wherein the injection tube (21) is mounted in the lower shell (11), a pressing plate (121) formed in the middle of the first middle shell (12) presses the injection tube (21), and the pressing plate (121) is internally provided with the screw hole (10); the pushing mechanism (3) is installed in the second middle shell (13) and the upper shell (14).

3. The e-liquid injector of claim 2, wherein: the lower shell (11) is provided with a plurality of windows (111) for observing the tobacco tar in the injection tube (21), and the injection tube (21) is a transparent tube.

4. The e-liquid injector of claim 2, wherein: the pushing mechanism (3) comprises an inclined fluted disc (31) arranged in the second middle shell (13), a return spring (32) arranged between the inclined fluted disc (31) and the first middle shell (12), a driving rod (33) arranged at the upper end of the inclined fluted disc (31) and a pressing cap (34) sleeved at the upper end of the driving rod (33), wherein a first toothed part (311) at the upper end of the inclined fluted disc (31) is meshed with a second toothed part (331) at the lower end of the driving rod (33), and the upper end of the pressing cap (34) penetrates through the upper end of the upper shell (14) and is exposed out of the upper end of the upper shell (14); the upper end of the screw rod (23) sequentially penetrates through the reset spring (32), the first through hole of the helical fluted disc (31) and the second through hole of the driving rod (33) and then extends into the chute (341) of the pressing cap (34).

5. The e-liquid injector of claim 4, wherein: an installation groove (342) is formed at the lower end of the pressing cap (34), and an anti-falling snap ring (343) protruding inwards is formed on the inner wall of the installation groove (342); the upper end of the driving rod (33) is arranged in the mounting groove (342), and the anti-falling snap ring (343) is sleeved at the lower end of a convex ring (332) formed on the periphery of the upper end of the driving rod (33).

6. An e-liquid injector according to any of claims 2 to 5, wherein: the lower shell (11), the first middle shell (12), the second middle shell (13) and the upper shell (14) are connected in a spiral fixing mode.

7. The e-liquid injector of claim 6, wherein: the lower end of the lower shell (11) is also connected with a needle cap (15) used for plugging the needle nozzle (24).