Dumping-type autonomous quantitative liquid discharging device and quantitative liquid discharging method thereof

1. A dumping-type automatic quantitative liquid discharging device, comprising: an accommodating cavity for accommodating liquid, a first liquid storage cavity and a second liquid storage cavity for storing quantitative liquid, and a fluid channel; and

wherein, said fluid channel sequentially communicates with said accommodating cavity, said first liquid storage cavity and said second liquid storage cavity, and defines a path for air and said quantitative liquid to enter and leave said device; and

wherein, said first liquid storage cavity and said second liquid storage cavity are arranged at one end of said accommodating cavity; and when said device pours out liquid, the quantitative liquid stored in said second liquid storage cavity leaves said device through said fluid channel, and an atmospheric low pressure area is formed at the other end of said accommodating cavity; and an atmospheric normal pressure area is formed in said first liquid storage cavity and said second liquid storage cavity, so that said liquid is confined between said first liquid storage cavity and said accommodating cavity; and

wherein said second liquid storage cavity captures and stores a part of said liquid to become new said quantitative liquid; and

wherein, when said device is reset, said quantitative liquid stored in said second liquid storage cavity will be received and stored by said first liquid storage cavity.

2. The dumping-type automatic quantitative liquid discharging device according to claim 1 , wherein a sum of volumes of said first liquid storage cavity and said second liquid storage cavity is smaller than a volume of said accommodating cavity, and said second liquid storage cavity further comprises a liquid storage part which captures and stores a part of said liquid to become new said quantitative liquid; and

said second liquid storage cavity further comprises a liquid storage outlet, and a first valve body corresponding to said liquid storage outlet is arranged in said fluid channel, and when said device is in a vertical state, said first valve body blocks said liquid storage outlet; and when said device pours out liquid, said first valve body is far away from said liquid storage outlet; and

wherein, a first sealing ring is arranged on the liquid storage outlet, and a sealing opening corresponding to said first valve body is arranged on said first sealing ring.

3. The dumping-type automatic quantitative liquid discharging device according to claim 2 , wherein a second valve body is arranged in said second liquid storage cavity, and said second valve body is rollably arranged in said second liquid storage cavity and closely adheres to said second liquid storage cavity for blocking.

4. The dumping-type automatic quantitative liquid discharging device according to claim 1 , wherein said first liquid storage cavity is provided with a liquid storage retaining ring, and said liquid storage retaining ring is formed with a liquid retaining part bent inward; and

wherein, a clamping ring is arranged on said first liquid storage cavity, a ring groove is arranged on said liquid storage retaining ring, and said first liquid storage cavity and said liquid storage retaining ring are detachably connected by clamping.

5. The dumping-type automatic quantitative liquid discharging device according to claim 2 , wherein an embedding groove is arranged at a bottom of said fluid channel, and the liquid storage outlet of said second liquid storage cavity and said first sealing ring are arranged in said embedding groove, and

wherein, said embedding groove is provided with a first clamping groove, said second liquid storage cavity is provided with a first clamping block corresponding to said first clamping groove, and said fluid channel and said first liquid storage cavity are detachably connected by clamping; and

wherein, a second clamping block is arranged on said second liquid storage cavity, a second clamping groove corresponding to said second clamping block is arranged on said first liquid storage cavity, and said first liquid storage cavity and said second liquid storage cavity are detachably connected by clamping.

6. A dumping-type automatic quantitative liquid discharging device, comprising: an accommodating cavity for accommodating liquid, a first liquid storage cavity and a second liquid storage cavity for storing quantitative liquid, and a fluid channel; and

wherein, said fluid channel sequentially communicates with said accommodating cavity, said first liquid storage cavity and said second liquid storage cavity, and defines a path for air and said quantitative liquid to enter and leave said device; and

wherein a sum of volumes of said first liquid storage cavity and said second liquid storage cavity is smaller than a volume of said accommodating cavity, and said second liquid storage cavity further comprises a liquid storage part; and

wherein, said first liquid storage cavity and said second liquid storage cavity are arranged at one end of said accommodating cavity; and when said device pours out liquid, said quantitative liquid stored in said second liquid storage cavity leaves said device through said fluid channel; and an atmospheric low pressure area is formed at the other end of said accommodating cavity, and an atmospheric normal pressure area is formed in said first liquid storage cavity and said second liquid storage cavity, so that said liquid is confined between said first liquid storage cavity and said accommodating cavity; and

wherein said liquid storage part captures and stores a part of said liquid to become new said quantitative liquid; and

wherein, when said device is reset, said quantitative liquid stored in said second liquid storage cavity will be received and stored by said first liquid storage cavity.

7. The dumping-type automatic quantitative liquid discharging device according to claim 6 , wherein said second liquid storage cavity further comprises a liquid storage outlet, and a first valve body corresponding to said liquid storage outlet is arranged in said fluid channel; and when said device is in a vertical state, said first valve body blocks said liquid storage outlet; and when said device pours liquid, said first valve body is far away from said liquid storage outlet, wherein a first sealing ring is arranged on said liquid storage outlet, and a sealing opening corresponding to said first valve body is arranged on said first sealing ring; and

wherein said second liquid storage cavity is provided with a liquid inlet hole and an air outlet hole.

8. The dumping-type automatic quantitative liquid discharging device according to claim 7 , wherein an embedding groove is arranged at a bottom of said fluid channel, and said liquid storage outlet of said second liquid storage cavity and said first sealing ring are arranged in said embedding groove; and

wherein, said embedding groove is provided with a first clamping groove, said second liquid storage cavity is provided with a first clamping block corresponding to said first clamping groove, and said fluid channel and said first liquid storage cavity are detachably connected by clamping.

9. The dumping-type automatic quantitative liquid discharging device according to claim 6 , wherein said first liquid storage cavity is provided with a liquid storage retaining ring, and said liquid storage retaining ring is formed with a liquid retaining part bent inward; and

wherein, a clamping ring is arranged on said first liquid storage cavity, a ring groove is arranged on said liquid storage retaining ring, and said first liquid storage cavity and said liquid storage retaining ring are detachably connected by clamping.

10. The dumping-type automatic quantitative liquid discharging device according to claim 6 , wherein said device comprises a device cover fixedly connected with said accommodating cavity, and said device cover is provided with a top cover, a rotating column is arranged on said device cover, and a rotating groove corresponding to said rotating column is arranged on said top cover, and said top cover is rotatably connected with said device cover; and

wherein, a weight block is arranged on said top cover, wherein said top cover is formed with an accommodating part, and said weight block is arranged in said accommodating part.

11. The dumping-type automatic quantitative liquid discharging device according to claim 10 , wherein a liquid outlet corresponding to said fluid channel and a liquid outlet nozzle corresponding to said liquid outlet are arranged on said device cover, and said liquid outlet nozzle is communicated with said fluid channel, and a cover nozzle corresponding to said liquid outlet nozzle is formed on said device cover; and

wherein, said liquid outlet nozzle is provided with a first fixing groove, said device cover is provided with a second fixing groove corresponding to said first fixing groove, and a fixing ring corresponding to said first fixing groove and said second fixing groove is arranged between said liquid outlet nozzle and said device cover; and said liquid outlet nozzle and said device cover are detachably connected through said first fixing groove, said second fixing groove and said fixing ring.

12. The dumping-type automatic quantitative liquid discharging device according to claim 7 , wherein a second valve body is arranged in said second liquid storage cavity, and said second valve body is rollably arranged in said second liquid storage cavity and closely adheres to said second liquid storage cavity for blocking.

13. The dumping-type automatic quantitative liquid discharging device according to claim 6 , wherein an air inlet pipe is arranged on said device, and said air inlet pipe is communicated with said fluid channel.

14. The dumping-type automatic quantitative liquid discharging device according to claim 7 , wherein a second clamping block is arranged on said second liquid storage cavity, and a second clamping groove corresponding to said second clamping block is arranged on said first liquid storage cavity, and said first liquid storage cavity and said second liquid storage cavity are detachably connected by clamping.

15. The dumping-type automatic quantitative liquid discharging device according to claim 10 , wherein a handle part is arranged on said device cover.

16. The dumping-type automatic quantitative liquid discharging device according to claim 6 , wherein said accommodating cavity is provided with anti-skid lines.

17. The dumping-type automatic quantitative liquid discharging device according to claim 7 , wherein at least one limiting edge corresponding to said first valve body is arranged in said fluid channel.

18. The dumping-type automatic quantitative liquid discharging device according to claim 10 , wherein external threads are arranged on said accommodating cavity and internal threads are arranged on said device cover, and said accommodating cavity and said device cover are detachably connected through threads.

19. The dumping-type automatic quantitative liquid discharging device according to claim 10 , wherein a second sealing ring and a sealing groove corresponding to said second sealing ring are arranged on said device cover.

20. A quantitative liquid discharging method, comprising providing a dumping-type automatic quantitative liquid discharging device, wherein dumping-type automatic quantitative liquid discharging device comprises an accommodating cavity and a device cover for accommodating liquid, a first liquid storage cavity and a second liquid storage cavity for storing quantitative liquid, and a fluid channel; and

wherein, said fluid channel sequentially communicates with said accommodating cavity, said first liquid storage cavity and said second liquid storage cavity, and defines a path for air and said quantitative liquid to enter and leave said device; and

wherein, said first liquid storage cavity and said second liquid storage cavity are arranged at one end of said accommodating cavity; and when said device pours out liquid, the quantitative liquid stored in said second liquid storage cavity leaves said device through said fluid channel, and an atmospheric low pressure area is formed at the other end of said accommodating cavity; and an atmospheric normal pressure area is formed in said first liquid storage cavity and said second liquid storage cavity, so that said liquid is confined between said first liquid storage cavity and said accommodating cavity; and

wherein said second liquid storage cavity captures and stores a part of said liquid to become new said quantitative liquid; and

wherein, when said device is reset, said quantitative liquid stored in said second liquid storage cavity will be received and stored by said first liquid storage cavity; and

pouring liquid into said accommodating cavity; and

connecting said device cover with said accommodating cavity; and

tilting said dumping-type automatic quantitative liquid discharging device to allow the quantitative liquid to flow out.