Electronic Cigarette Tightly Engaged By Expansion

• US 20140196734A1
• Filed: 01/16/2013
• Published: 07/17/2014
• Est. Priority Date: 01/16/2013
• Status: Active Grant

• Current Assignee: Huizhou Kimree Technology Co., Ltd
• Original Assignee: Huizhou Kimree Technology Co., Ltd
• Inventors: Liu, Qiuming
• Granted Patent: US 9,364,026 B2
• Time in Patent Office: Days
• US Class Current: 131/329
• CPC Class Codes: A24F 40/10 Devices using liquid inhalable precursors
• CPC Class Codes: A24F 40/40 Constructional details, e.g. connection of cartridges and battery parts

Abstract

The present invention is related to an electronic cigarette tightly engaged by expansion, which includes a sucking rod and a power rod, the sucking rod is configured with a first connector, the first connector includes a first seat and a first pole which are respectively served as two connecting electrodes of the first connector, and the first seat is configured with a first expanding portion; the power rod is configured with a second connector, the second connector comprises a second seat and a second pole which are respectively served as two connecting electrodes of the second connector, the second seat is configured with a second expanding portion tightly engaged with the first expanding portion by expansion; the first and second expanding portions are mutually tightly engaged by expansion to make the first connector to abut against the second connector and make the first pole to abut against the second pole.

Claims

1. An electronic cigarette tightly engaged by expansion, comprises a sucking rod and a power rod, wherein the sucking rod is configured with a first connector at its end mated with the power rod, the first connector comprises a first seat and a first pole which are respectively served as two connecting electrodes of the first connector, and the first seat is configured with a first expanding portion;

the power rod is configured with a second connector at its end mated with the sucking rod, the second connector comprises a second seat and a second pole which are respectively served as two connecting electrodes of the second connector, the second seat is configured with a second expanding portion which is capable of being tightly engaged with the first expanding portion by expansion;

the first expanding portion and the second expanding portion are mutually tightly engaged with each other by expansion to make the first connector to abut against the second connector and make the first pole to abut against the second pole.

2. The electronic cigarette as described in claim 1, wherein, the first connector further comprises a first insulating sleeve for insulating the first seat and the first pole, the first seat is cylinder-shaped, and the first pole is inserted into a central portion of the first seat by means of the first insulating sleeve;

the second connector further comprises a second insulating sleeve for insulating the second seat and the second pole, the second seat is cylinder-shaped, and the second pole is inserted into a central portion of the second seat by means of the second insulating sleeve.

3. The electronic cigarette as described in claim 2, wherein, the first seat comprises a cylindrical upper part and a cylindrical lower part, the upper part is adapted for connecting and engaging with the end of the sucking cylinder, the lower part is adapted for connecting and engaging with the second seat;

the second seat defines a through hole therein for insertion of the lower part of the first seat.

4. The electronic cigarette as described in claim 3, wherein, the first expanding portion is a thimble sleeved around an outer wall of the lower part and made of plastic material, the thimble is cylindrical and configured with raised rings on its outer wall, and the second expanding portion is a sidewall of the through hole, the lower part is inserted into the through hole to firmly connect the first seat and the second seat by means of the raised rings of the thimble which are tightly engaged with the sidewall of the through hole by expansion.

5. The electronic cigarette as described in claim 4, wherein, the thimble is made of any one of the following plastic materials, the silicone materials or rubber materials:

ABS, PC, PE, POM, PP, PE, PVC, TPU, TPR, TPE or TPV.

6. The electronic cigarette as described in claim 4, wherein, the lower part of the first seat is configured with an annular slot in its outer wall for accommodating the thimble.

7. The electronic cigarette as described in claim 3, wherein, the first expanding portion is an outer wall of the lower part, the second expanding portion is a thimble embedded in an inner wall of the through hole and made of plastic material, and is cylindrical and configured with raised rings on its inner wall, the lower part is inserted into the through hole and further inserted into the thimble to firmly connect the first seat and the second seat by means of the raised rings which are firmly engaged with a sidewall of the lower part by expansion.

8. The electronic cigarette as described in claim 7, wherein, the through hole of the second seat is axially extended, and an inner wall of the through hole is configured with an annular slot for accommodating the thimble.

9. The electronic cigarette as described in claim 3, wherein, a positioning flange is radially outwardly extended between the upper part and the lower part for abutting against the end of the sucking rod, the positioning flange is simultaneously adapted for abutting against an end portion of the second seat to restrain its position;

the lower part is configured with a locking ring on its inner wall for mounting the first pole, the first pole is positioned in the locking ring by means of the first insulating sleeve, the first pole defines a vent extended through its central portion;

the second seat has its shape mated with the inner wall of the end of the power rod, and is tightly engaged with an inner wall of the end of the power rod by expanding its outer wall;

the second seat is configured with a positioning flange radially outwardly extended from a sidewall of its extremity for mating with the end of the power rod.

10. The electronic cigarette as described in claim 2, wherein, the second pole is inserted into the second insulating sleeve, the second insulating sleeve is positioned in an insulating sleeve pedestal and inserted in a central portion of the second seat by means of the insulating sleeve pedestal, the second pole is configured with a blocking ring at a portion thereof located in the insulating sleeve pedestal, and the second pole is sleeved by a spring at the portion thereof located in the insulating sleeve pedestal, the spring has its opposite ends to respectively abut against the blocking ring and an inner end portion of the insulating sleeve pedestal to keep the second pole in a stretching state;

the second pole has its one end to stretch out of a bottom wall of the second insulating sleeve and has its another end to stretch out of a bottom wall of the insulating sleeve pedestal, the second pole defines a vent extended through its central portion.

11. The electronic cigarette as described in claim 10, wherein, the insulating sleeve pedestal is cup-shaped, and comprises a sidewall, a bottom wall and a flange axially outwardly extended from the bottom wall, the bottom wall and the side wall encircle a first inner chamber for accommodating the second pole, the bottom wall is further configured with a first pole hole for the second pole to stretch out.

12. The electronic cigarette as described in claim 10, wherein, the second insulating sleeve is cup-shaped, and comprises a sidewall and a bottom wall, the sidewall and the bottom wall encircle a second inner chamber for accommodating the second pole.

13. The electronic cigarette as described in claim 12, wherein, the second insulating sleeve further comprises a positioning flange radially outwardly extended from the sidewall bottom wall, the bottom wall of the second insulating sleeve is further configured with a second pole hole axially extended through and communicated with the second inner chamber;

the second insulating sleeve is tightly engaged with an inner wall of the first inner chamber of the insulating sleeve pedestal by expanding its sidewall and axially positioned by means of abutment of the positioning flange against an open end of the first inner chamber of the insulating sleeve pedestal.

14. The electronic cigarette as described in claim 10, wherein, the second seat is further configured with a conducting component therein for getting good electrical contact between the first seat and the second seat, the conducting component is an annular elastic metal sheet defining an avoidance at its central portion, and the second pole passes through the avoidance of the conducting component and is kept away from an inner wall of the avoidance.

15. The electronic cigarette as described in claim 14, wherein, the second seat is further configured with an annular positioning step on its inner wall, and the insulating sleeve pedestal combined with the second insulating sleeve is inserted into the second seat to make the conducting component to abut against the positioning step.