# US 11,076,643 B2 · Electronic cigarette having reliably sealed e-liquid inlet

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- Number: US 11,076,643 B2
- Document ID: US11076643B2
- Status: Granted
- Kind: B2
- Application number: 16/380,996
- Filed: 2019-04-10
- Published: 2020-06-11
- Granted: 2021-08-03
- Earliest claimed: 2018-12-10
- Applicants: Tuanfang Liu
- Inventors: Tuanfang Liu
- Web page: https://patentgrep.com/patent/US11076643B2

## CPC

- A24F 40/42: Cartridges or containers for inhalable precursors
- A24F 40/10: Devices using liquid inhalable precursors
- A24F 40/485: Valves; Apertures
- A24F: SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES (inhaling appliances for medical purposes, shaped like cigars, cigarettes or pipes A61M15/06)

## Abstract

An electronic cigarette, including a mouthpiece assembly, an atomizing assembly, and a base assembly. The mouthpiece assembly includes a mouthpiece, a first seal ring adapted to seal the mouthpiece, a decorative ring, a first fixed seat adapted to fix the mouthpiece, a second seal ring adapted to seal the first fixed seat, a decorative cover, a fixed cover, a fixed ring adapted to fix the fixed cover, and a slide block. The atomizing assembly includes a silicone seal, a pin, a spring, a second fixed seat adapted to fix the slide block, a vapor regulating ring, a second seal ring adapted to seal the vapor regulating ring, a glass tube, a third seal ring, a fourth seal ring, and an atomizing unit. The base assembly includes a fifth seal ring, a base, an insulation ring, and a joint.

## Claims

### Claim 1

An electronic cigarette, comprising:
a mouthpiece assembly, the mouthpiece assembly comprising a mouthpiece, a first seal ring adapted to seal the mouthpiece, a decorative ring, a first fixed seat adapted to fix the mouthpiece, a second seal ring adapted to seal the first fixed seat, a decorative cover, a fixed cover, a fixed ring adapted to fix the fixed cover, and a slide block;
an atomizing assembly, the atomizing assembly comprising a silicone seal, a pin, a spring, a second fixed seat adapted to fix the slide block, a vapor regulating ring, a sixth seal ring adapted to seal the vapor regulating ring, a glass tube, a third seal ring adapted to seal an upper part of the glass tube, a fourth seal ring, and an atomizing unit; and
a base assembly, the base assembly comprising a fifth seal ring adapted to seal a lower part of the glass tube, a base, an insulation ring, and a joint;
wherein:
the first seal ring and the decorative ring are sheathed on the mouthpiece; the mouthpiece is fixed on the first fixed seat; the first fixed seat comprises a side wall comprising an annular groove, and the second seal ring is embedded in the annular groove;
the first fixed seat is screwed on the decorative cover; the fixed ring is sheathed on the fixed cover; the decorative cover is disposed on the fixed cover; the slide block is disposed in the fixed cover;
the silicone seal is disposed on the second fixed seat; the second fixed seat comprises an upper annular groove and a lower annular groove, and the sixth seal ring and the third seal ring are disposed in the upper annular groove and the lower annular groove, respectively;
the vapor regulating ring is connected to the second fixed seat; the fourth seal ring is embedded in the second fixed seat; the atomizing unit is inserted in the second fixed seat; the glass tube is in threaded connection to the second fixed seat;
the spring is sheathed on the pin; the second fixed seat comprises a location hole, and the pin is inserted in the location hole;
the second fixed seat comprises a side wall comprising a plurality of air inlets, and the atomizing unit comprises a side wall comprising a plurality of holes; the plurality of air inlets communicates with the plurality of holes; and
the fifth seal ring is sheathed on the base and embedded in the glass tube; the insulation ring is sheathed on the joint; the joint is inserted in a central hole of the base; and the base is in threaded connection to the atomizing unit.