Slap cover double row drain valve
A double-row technology for drain valves and covers, which is applied in water supply devices, flushing equipment with water tanks, buildings, etc., can solve the problems of inability to realize full adjustment, poor applicability, and high installation requirements, and achieve fewer parts and low manufacturing costs , the effect of simple structure
Inactive Publication Date: 2016-04-06
厦门洁霖工贸有限公司
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Problems solved by technology
[0006] Although the barrel-type double-row drain valve has high precision in quantitative drainage, the water level can change by about 3-5mm every time it is adjusted, but there is probably an unadjustable blind area between the upper limit water level of the full row and the lower limit water level of the half row, and the whole process cannot be realized. Adjustable, and in order to meet the quantitative drainage requirements for water tanks of different heights, it is necessary to select drain valves of different heights to match them, which requires high installation requirements and poor applicability
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[0027] Such as Figure 1 to Figure 9 As shown, the invention discloses a double-row drain valve with flap cover, which includes two chains 1, flap cover 2, half-row pull rod 3, flush control structure and air control adjustment device 4, and the upper ends of the two chains 1 are respectively connected to the flush control structure and the lower ends are respectively connected to the racket cover 2 and the half row of tie rods 3. Specifically, a connecting seat can be formed on the racket cover 2 and the half row of tie rods 3, and the lower ends of the two chains 1 are respectively connected to the racket cover 2 and the half row of tie rods 3 by means of triangular hooks 12. The connection seat of chain 1 thereby realizes the connection of the two, and the upper ends of the two chains 1 are connected to the flush control mechanism through the hook 11. The clapper cover 2 is sealed on the upper end of the air control adjustment device 4 . In order to facilitate the clapper c...
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The double-row drain valve with flap cover disclosed by the present invention includes two chains, flap cover, half-row tie rods, flushing control structure and air control adjustment device. Tie rod, the cover is sealed on the upper end of the air control adjustment device, a guide tube is set at the center of the cover, there is a half row of water inlets around the center of the cover, half a row of pull rods is covered with sealing sheets, and half of the row of pull rods passes through the guide The tube is located above the clapper cover, the air control adjustment device is provided with an air outlet, and the lower end of the air control adjustment device is provided with a full row of water inlets. The present invention is simple in structure, adopts few parts, and has low manufacturing cost. At the same time, the present invention can not only adjust the height of the remaining water level of the full row and the half row of the drain valve on the flap cover conveniently, so as to meet the requirement of quantitative drainage, but also The flap cover can meet the use requirements of most water tanks in the market with different displacements, which reduces the installation requirements of the drain valve and makes it more widely applicable.
Description
technical field [0001] The invention relates to a drain valve, in particular to a double-row drain valve with flap cover. Background technique [0002] The drain valve is a common part of the toilet to control the drainage of the tank. In order to save drainage, people have developed double row drain valves. Among them, the air-operated double-row drain valve, as one of the double-row drain valves, has been widely used. The air-controlled double-row drainage valve is installed on the double-drainage valve body with an air-controlled adjustment device, and the function of controlling the full and half drainage of the valve body through the different working states of the air-controlled adjustment device. [0003] In the prior art, the flap cover of the air-operated double-row drain valve is a completely closed or semi-closed structure. The semi-closed flap usually has one or two air holes. Through the control of the air holes, it can be controlled. The whole or part of the...
Claims
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IPC IPC(8): E03D1/35
Inventor 毕玉华
Owner 厦门洁霖工贸有限公司