Negative-pressure massaging device

1 . A negative-pressure massaging device, comprising:

a negative-pressure cup; and

an essential oil volatilizing structure, disposed in the negative-pressure cup and comprising:

a heat conducting unit;

a heater, disposed on and contacting the heat conducting unit to heat the heat conducting unit; and

an essential oil unit, disposed on and contacting the heat conducting unit to be heated;

wherein, the essential oil unit is heated by the heat conducting unit to volatilize an essential oil into the negative-pressure cup.

2 . The negative-pressure massaging device according to claim 1 , wherein the essential oil unit comprises a solid-state essential oil.

3 . The negative-pressure massaging device according to claim 1 , wherein the essential oil unit comprises a liquid-state essential oil and an essential oil carrying member, the essential oil carrying member is disposed on the heat conducting unit to be heated, the liquid-state essential oil is being absorbed in the essential oil carrying member, and the liquid-state essential oil absorbed in the essential oil carrying member is heated by the heat conducting unit to be volatized into the negative-pressure cup.

4 . The negative-pressure massaging device according to claim 3 , wherein the essential oil carrying member comprises a cotton member.

5 . The negative-pressure massaging device according to claim 1 , wherein the essential oil volatilizing structure further comprises a housing, the heat conducting unit, the heater and the essential oil unit are disposed in the housing, the housing comprises a seat member and an air permeable cover, the heat conducting unit is fastened on the seat member, the air permeable cover comprises a magnet disposed thereon, the air permeable cover is magnetically adhered on the heat conducting unit via the magnet and detachably disposed on the seat member.

6 . The negative-pressure massaging device according to claim 5 , wherein the magnet disposed on the air permeable cover is a first magnet, the heat conducting unit comprises a second magnet disposed thereon, and the air permeable cover is disposed on the seat member through the first magnet and the second magnet being magnetically attracted with each other directly or indirectly.

7 . The negative-pressure massaging device according to claim 5 , wherein the air permeable cover comprises an anti-rotating component of non-circular shape, the anti-rotating component comprises an accommodation slot, the magnet is disposed in the accommodation slot, the heat conducting unit comprises a corresponding anti-rotating component, and the corresponding anti-rotating component comprises a corresponding recessed part corresponding to the anti-rotating component in a same non-circular shape, and the anti-rotating component is correspondingly mounted in the corresponding recessed part to prevent the air permeable cover and the heat conducting unit from relatively rotating.

8 . The negative-pressure massaging device according to claim 1 , wherein the essential oil volatilizing structure further comprises an electric circuit board, the electric circuit board is electrically connected to a heat sensor, a light emitting component and the heater, the heat sensoring unit is disposed on heat conducting unit, the heat sensor is configured to sense a heating temperature of the heater via the heat conducting unit, and the light emitting component is configured to react to a temperature sensed by the heat sensor.

9 . The negative-pressure massaging device according to claim 8 , wherein the heat conducting unit comprises a heat sensing part, the heat sensor is disposed on the heat sensing part, and the heat sensor is configured to sense the heating temperature of the heater via the heat sensing part.

10 . The negative-pressure massaging device according to claim 8 , wherein the light emitting component is configured to emit light with a corresponding preset light color according to a temperature range sensed by the heat sensor.

11 . The negative-pressure massaging device according to claim 1 , wherein the heat conducting unit comprises a positioning slot disposed concavely on one surface thereof, and the essential oil unit is mounted in the positioning slot.

12 . The negative-pressure massaging device according to claim 11 , wherein the heat conducting unit comprises a plurality of positioning members disposed convexly in the positioning slot, the essential oil unit correspondingly comprises a plurality of positioning parts, and the essential oil unit is positioned in the positioning slot through each of the positioning members being correspondingly latched with each of the positioning parts.

13 . The negative-pressure massaging device according to claim 1 , wherein the essential oil volatilizing structure further comprises a housing, a fastening column and a fastening unit, the heat conducting unit, the heater and the essential oil unit are disposed in the housing, the housing comprises a fastening hole disposed thereon, one end part of the fastening column is fastened on the housing, another end part of the fastening column protrudes out of the housing via the fastening hole and penetrates the negative-pressure cup to be exposed, the fastening unit is correspondingly connected to the another end part, and the housing and the negative-pressure cup are clamped and fastened between the one end part of the fastening column and the fastening unit.