US 10,294,646 B2Granted

Flushing structure of toilet and toilet

AssigneeXiamen R&T Plumbing Technology Co., Ltd.

InventorsZiguang Liu, Zhijun Zhong

Life of this patent

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Abstract

A flushing structure of a toilet and a toilet includes a main waterway, a jet waterway and a rim waterway. A main waterway inlet is in communication with an outlet on the toilet tank. A main waterway outlet is in communication with a jet waterway inlet and a rim waterway inlet. A jet waterway outlet is in communication with a jet hole beneath a water surface of a first water seal at the bottom of the toilet bowl. A rim waterway outlet is in communication with a rim hole provided on the toilet bowl for flushing the inner wall of the toilet bowl. A second water seal, whose water surface is on the same level with surface of the first water seal, is provided on the rim waterway. The main waterway and the jet waterway are isolated from air via the first water seal and second water seal.

Claims19

Dependent claims

A toilet comprising:

a toilet tank including an outlet;
a toilet bowl;
a flushing structure including a main waterway, a jet waterway, a rim waterway, a first water seal and a second water seal;
an inlet of the main waterway communicating with the outlet of the toilet tank;
an outlet of the main waterway communicating with an inlet of the jet waterway and an inlet of the rim waterway;
an outlet of the jet waterway communicating with a jet hole beneath a surface of the first water seal at the bottom of the toilet bowl;
an outlet of the rim waterway communicating with a rim hole provided on the toilet bowl for flushing the inner wall of the toilet bowl;
the second water seal provided on the rim waterway;
wherein the second water seal surface is on the same level with surface of the first water seal;
and
wherein the main waterway and the jet waterway being isolated from air via the first water seal and the second water seal.

8 more elements

Dependencies are inferred from the claim text.

Facts

Application: 15/838,704Filed 12 Dec 2017
Priority: CN 2016 2 1396226 U19 Dec 2016
Published: US 2018/0171615 A121 Jun 2018
Granted: 21 May 2019
Term ends: Not estimatedThe source records don’t support an estimate.

Classification8 codes

E03D 11/025
Water-closet bowls ; Bowls with a double odour seal optionally with provisions for a good siphonic action; siphons as part of the bowl: combined…
E03D 1/26
Low-level flushing systems: bowl with flushing cistern mounted on the rearwardly extending end of the bowl
E03D 5/026
Operated mechanically or hydraulically also details such as push buttons, levers and pull-card therefor: devices preventing overflow or locks…
E03D 11/18
Other component parts of water-closets , e.g. noise-reducing means in the flushing system , flushing pipes mounted in the bowl, seals for the…