Tobacco feeding device and electronic hookah comprising the same

1. An electronic hookah, comprising a tobacco feeding device, a mouthpiece, and a smoke filter, wherein:

the smoke filter comprises a first glass tube, a rotating shaft, a third glass tube for water storage, and a fixed seat for fixing the rotating shaft;

the mouthpiece is connected with the third glass tube,

the tobacco feeding device comprises a fourth glass tube, a push rod, and a piston; the piston being movable along an inner wall of the fourth glass tube, the push rod comprising a first smoke passage, the fourth glass tube comprising a feeding inlet when the piston moves along the inner wall of the fourth glass tube, a gap between the feeding inlet and the piston is formed and tobacco material is added to the tobacco feeding device;

the rotating shaft is disposed in the third glass tube and on the fixed seat, and is rotatable with respect to the fixed seat;

the rotating shaft comprises a first hollow columnar part as a second smoke passage, and a second hollow columnar part as a third smoke passage;

the first hollow columnar part is heavier than the second hollow columnar part, and when placed horizontally, the first hollow columnar part is downward and the second hollow columnar part is upward;

the first hollow columnar part and the second hollow columnar part are separate from each other;

the first hollow columnar part comprises a first smoke inlet, and the second hollow columnar part comprises a second smoke inlet;

the fixed seat comprises an inner smoke passage, and the inner smoke passage communicates with the second smoke passage;

the third smoke passage communicates with the mouthpiece; and

one end of the first glass tube is connected to the first smoke inlet of the first hollow columnar part, and another end of the first glass tube is disposed above an inner bottom surface of the third glass tube.

2. The electronic hookah of claim 1 , wherein the smoke filter further comprises a second glass tube; the second glass tube is connected to the second smoke inlet of the second hollow columnar part.

3. The electronic hookah of claim 1 , wherein a part of the push rod is disposed in the fixed seat, and communicates with the inner smoke passage of the fixed seat.

4. The electronic hookah of claim 1 , wherein the tobacco feeding device further comprises an assistant push rod; the piston is fixedly connected to one end of the push rod; the assistant push rod sleeves the push rod; the piston is movable along the inner wall of the fourth glass tube towards the feeding inlet under the action of the assistant push rod.

5. The electronic hookah of claim 4 , wherein the tobacco feeding device further comprises a silicone ring disposed between the assistant push rod and the push rod; under the action of frictional force, the movement of the assistant push rod drives the push rod to move.

6. The electronic hookah of claim 5 , wherein the tobacco feeding device further comprises a cylinder and a press button; the assistant push rod is disposed in the cylinder; the cylinder comprises a slideway and the press button is disposed in the slideway and contacts a top end of the assistant push rod; the movement of the press button in the slideway drives the assistant push rod to move.

7. The electronic hookah of claim 6 , wherein the tobacco feeding device further comprises a location pin disposed on the top end of the assistant push rod; an inner wall of the cylinder comprises a continuous groove matching with the location pin.

8. The electronic hookah of claim 7 , wherein the piston is a hollow structure comprising an air channel and an end face, and the end face comprises a plurality of evenly distributed through holes.

9. An electronic hookah, comprising a tobacco feeding device, a mouthpiece, and a smoke filter, wherein:

the smoke filter comprises a rotating shaft, a third glass tube for water storage, and a fixed seat for fixing the rotating shaft;

the mouthpiece is connected with the third glass tube,

the rotating shaft is disposed in the third glass tube and on the fixed seat, and is rotatable with respect to the fixed seat;

the rotating shaft comprises a first hollow columnar part as a second smoke passage, and a second hollow columnar part as a third smoke passage;

the first hollow columnar part is heavier than the second hollow columnar part, and when placed horizontally, the first hollow columnar part is downward and the second hollow columnar part is upward;

the first hollow columnar part and the second hollow columnar part are separate from each other;

the first hollow columnar part comprises a first smoke inlet, and the second hollow columnar part comprises a second smoke inlet;

the tobacco feeding device comprises a fourth glass tube, a push rod, a piston, an assistant push rod, a silicone ring, a cylinder and a press button;

the piston is movable along an inner wall of the glass tube;

the push rod comprises an air passage;

the fourth glass tube comprises a feeding inlet; when the piston moves along the inner wall of the fourth glass tube, a gap between the feeding inlet and the piston is formed, and tobacco material is added to the tobacco feeding device;

the piston is fixedly connected to one end of the push rod;

the assistant push rod sleeves the push rod;

the piston is movable along the inner wall of the fourth glass tube towards the feeding inlet under the action of the assistant push rod;

the silicone ring is disposed between the assistant push rod and the push rod;

the assistant push rod is disposed in the cylinder;

the cylinder comprises a slideway;

the press button is disposed in the slideway and contacts a top end of the assistant push rod; and

the movement of the press button in the slideway drives the assistant push rod to move.

10. The electronic hookah of claim 9 , the tobacco feeding device further comprises a location pin disposed on the top end of the assistant push rod; and an inner wall of the cylinder comprises a continuous groove matching with the location pin.

11. The electronic hookah of claim 9 , wherein the piston is a hollow structure comprising an air channel and an end face, and the end face comprises a plurality of evenly distributed through holes.

12. The electronic hookah of claim 9 , wherein the fixed seat comprises an inner air passage, the inner smoke passage communicates with the second smoke passage; the third smoke passage communicates with the mouthpiece.

13. The electronic hookah of claim 9 , wherein the smoke filter further comprises a first glass tube, one end of the first glass tube is connected to the first smoke inlet of the first hollow columnar part, and another end of the first glass tube is disposed above an inner bottom surface of the third glass tube.

14. The electronic hookah of claim 9 , wherein the smoke filter further comprises a second glass tube; the second glass tube is connected to the second smoke inlet of the second hollow columnar part.

15. The electronic hookah of claim 9 , wherein a part of the push rod is disposed in the fixed seat, and communicates with the inner smoke passage of the fixed seat.