CN201068590Y - Toilet closet water tanks - Google Patents

Abstract

The utility model relates to a closet tank, which belongs to a toilet sanitary product. The utility model comprises a tank body, a tank cover, a tank body water inlet, a water flush and drainage outlet, a water flush and drainage control mechanism and a water level control mechanism. The utility model is characterized in that the water level control mechanism is a minitype pressure gradient water level automatic control valve which is fixedly arranged on a position where the top surface of a valve cover at the inner part of an upper opening part of the tank body holds the line with a highest water level line in the impendence way after a valve body water inlet is connected with the tank body water inlet. The minitype pressure gradient water level automatic control valve is composed of a valve body, a valve cover and a valve core subassembly. The valve core subassembly lies in a position where a valve body water outlet is opened because of the weight of the valve core subassembly when the water level of the utility model is low or the utility model has no water, and water supply goes into the water tank through a cavity of the valve body. The valve core subassembly moves upwards and closes the minitype pressure gradient water level automatic control valve because of the action of flotage and pressure difference when the water level ascends to a height in which the minitype pressure gradient water level automatic control valve is situated. The closet tank of the proposal has simple structure, easy manufacture, easy installation and easy use, and is a great innovation to the traditional closet tank with ball float lever principle.

Description

A kind of toilet water tank

Technical field

The utility model belongs to bathroom ware, particularly the water storage box of toilet.

Background technology

Traditional toilet water storage box all adopts the manufacturing of floating ball lever principle, utilizes the lifting of ball float, drives and lever-linked needle-valve mechanism, and the water inlet of switch tap water realizes that the water level of water tank is controlled automatically.The cistern water level controlling organization of this structure, overall volume is big, and spare and accessory parts are numerous and diverse, and not only confined spaces that accounted in the water tank are unfavorable for installation and switching towards water-drainage mechanism more, and ball float has also directly reduced the useful storage capacity of water tank.After improve, the toilet that has then changes ball float into floating drum, though can not influence water tank volume, for to maintain enough buoyancy, the volume of floating drum must be bigger than ball float, and lever construction spare still can not lack, and is therefore still unsatisfactory.Chinese patent ZL200620057017.1 " a kind of water closet internal control formula water intaking valve ", ball float (floating drum) is renamed as pneumatic cup, utilize the water level of pneumatic cup and connecting rod gauge tap assembly control water tank, not only structure becomes increasingly complex, and does not overcome the defective that traditional toilet water tank exists.

Summary of the invention

The utility model purpose is a kind of simple in structure for making, and makes and easy to install, can really overcome the novel toilet water tank of the prior art toilet water tank defective of ball float (floating drum) lever principle.

Concrete technical scheme of the present utility model is such: a kind of toilet water tank, comprise tank box, case lid, water inlet, dewatering outlet, dash discharge water controlling organization, cistern water level controlling organization, it is characterized in that described cistern water level controlling organization is after a running water pipe with the tank box water inlet is fixedlyed connected, the unsettled miniature differential water level automatic control valve that places inboard valve gap end face of casing upper oral part and the fair position of maximum water level.This miniature differential water level automatic control valve is assembled by valve gap, the core assembly of the valve body that is provided with water inlet and delivery port, band air vent.When water level in the water tank below maximum water level or when anhydrous, miniature differential water level automatic control valve is because of core assembly deadweight effect, be in the position that the valve body delivery port is opened, one button is driven the switch of tap water pipe network, tap water will enter water tank from the valve body delivery port through the inner chamber of control valve, when toilet discharges water state towards the controlling organization place stop that discharges water, the very fast rising of cistern water level.When water level rises to miniature differential water level automatic control valve height of living in, effect because of buoyancy and pressure reduction, move on core assembly is continuous, the valve body delivery port turns down thereupon gradually, until all passages of control valve are closed fully, the water level in the casing just is stabilized and is controlled at water tank maximum water level and the fair invariant position of valve gap end face.When the people goes into the lavatory and discharges water, memory box water is put few (urine is put 3 liters) or emptying (stool is put 6 liters), the drawdown of water tank, the core assembly of miniature differential water level automatic control valve supports because of the roof pressure that has lost buoyancy and difference force, move down with drawdown, the delivery port of valve body lower end is promptly opened greatly gradually with the decline of water level, until all opening.Flush the toilet in case discharge water and to finish, water tank dashes the controlling organization that discharges water and cuts out, and the water level in the casing rises immediately, and water tank enters retaining next time again, and circulation repeatedly according to this, has realized the automatic water-supply of toilet water tank.

The utility model toilet water tank, very simple with a structure, dependable performance, the miniature differential water level automatic control valve that the external form volume is very little has substituted complex structure, the water level automatic control device of the toilet water tank of bulky ball float (floating drum) lever or other various patterns, not only easy to manufacture, cost is low, taking the interior space of water tank significantly reduces, can not influence the water tank dischargeable capacity, made things convenient for water tank to install towards the layout of water-drainage mechanism, and, after beginning several seconds towards discharging water at every turn, when cistern water level slightly falls, water tank just is in the state that replenishes water inlet, has been equivalent to increase the useful capacity of water tank.

Description of drawings

Fig. 1, the utility model toilet cisten mechanism schematic diagram;

Fig. 2, miniature differential water level automatic control valve structural representation;

Fig. 3, miniature differential water level automatic control valve core assembly schematic diagram.

Mark is as follows among the figure: 1-toilet tank box; The 2-tank lid; 3-casing water inlet belt switch tap water is taken over; The miniature differential water level automatic control valve of 4-; Two grades of controls of 5-waterdrainage amount dash water-drainage mechanism; 6-casing dewatering outlet; The miniature differential water level automatic control valve body of 7-; 8-valve inleting water mouth; 9-valve body delivery port; 10-is provided with the valve gap of air vent; The 11-core assembly; The 12-sealing ring; The soft valve gap air vent sealing of 111--; The soft sealing pallet of 112--; The soft sealing and fixing pressing plate of 113--; 114--core assembly adjustable link; The 115--valve body delivery port rubber seal plug of falling the bowl-type; 116--regulates hold-down nut.

The specific embodiment

Below in conjunction with accompanying drawing the specific embodiment of the present utility model is elaborated

Embodiment 1 makes the standard type toilet water tank of this programme, structure as shown in Figure 1:

Press traditional ceramics toilet manufacturing process, make with toilet body disjunctor and be provided with the tap water water inlet and dash the delivery port that discharges water tank box 1, be provided with the tank lid 2 of dashing the operation button installing hole that discharges water; Two grades of prior aries that M/B is produced by national standard (urinate 3 liters, defecate 6 liters) are stand-by towards water-drainage mechanism 5 and auxiliary equipment; Make miniature differential water level automatic control valve 4 by Fig. 2, structure shown in Figure 3; With the running water pipe joint 3 of belt switch water inlet 8 with miniature differential water level automatic control valve body 7, after the municipal tap water pipe network is connected, unsettled inboard valve gap 10 end faces of casing 1 upper oral part and the fair proper site of maximum water level of being fixed on makes the axis of core assembly 11 and horizontal plane perpendicular; The water-drainage mechanism 5 that dashes that M/B is stand-by is fixedly mounted on dashing on the dewatering outlet 6 of casing 1; Adjusting fixes the action button that discharges water of dashing of tank lid 2, and toilet water tank of the present invention has just been made installation.Open running water switch this moment, because of anhydrous in the water tank 1, miniature differential water level automatic control valve 4 is because of the effect of core assembly 11 deadweights, be in the position that valve body 7 delivery ports 9 are opened, tap water flows into water tank 1, the very fast rising of the water level of water tank through the inner chamber of miniature differential water level automatic control valve 4.When water level rises to miniature differential water level automatic control valve 4 height of living in, core assembly 11 is subjected to using of buoyancy and pressure reduction and moves, valve body delivery port 9 is turned down gradually, until whole passages of control valve 4 are closed fully, water level just is stabilized maximum water level and the fair position of valve gap 2 end faces that is controlled at water tank.When someone goes into the lavatory and discharges water,, just finish once and flushed the toilet as long as click big waterdrainage amount (6 liters) or little waterdrainage amount (3 liters) button.After discharging water, water tank 1 interior water is by emptying or bleed off half, and core assembly 11 loses pressure reduction and the buoyancy roof pressure supports, because of valve body delivery port 9 is opened in deadweight, water tank has entered next retaining process again, and moves in endless cycles according to this, thereby has reliably guaranteed normally using all the time of toilet water tank.

Embodiment 2 is adapted as toilet water tank of the present utility model with traditional toilet water tank of prior art

For applying the toilet water tank of this programme, the toilet of the adapted floating ball lever type water tank that just will produce is scrapped, or require the user to upgrade to change be unrealistic, unscientific.Repacking then is feasible and easy to do.Concrete method of modifying be keep prior art or with the toilet water tank to dash the jettison gear part constant, remove the level controling mechanism of ball float, floating drum or other structures, then according to the running water inlet orientation of various different model water tanks, connect from miniature differential water level automatic control valve valve inleting water mouth to the water tank inlet tap water and take over 3, with having fixedly mounted miniature differential water level automatic control valve 4 with embodiment 1 identical method, the work that prior art toilet water tank is adapted as this programme toilet water tank has just been finished.

The utility model toilet water tank is that can yet be regarded as is the new invention of toilet cisten mechanism to the revolution of traditional floating ball lever principle toilet water tank of having continued to use several centuries, and its creativeness, novelty, practicality come into plain view, and be apparent.

Claims (4)

1. toilet water tank, comprise tank box, case lid, water inlet, dash the delivery port that discharges water, dash discharge water controlling organization, cistern water level controlling organization, it is characterized in that described cistern water level controlling organization, be a valve body (7) water inlet (8) with after the tap water of casing (1) water inlet belt switch is taken over (3) and is connected, valve gap (10) end face of air vent and the miniature differential water level automatic control valve (4) at the fair position of maximum water level are established in unsettled casing (1) the upper oral part inboard that is fixedly mounted on.

2. according to the described toilet water tank of claim 1, it is characterized in that described miniature differential water level automatic control valve (4) is assembled by valve gap (10), core assembly (11), the rubber seal (12) of the valve body (7) that is provided with water inlet joint (8) and delivery port (9), band air vent.

3. according to claim 1 or 2 described toilet water tanks, the core assembly (11) that it is characterized in that described miniature differential water level automatic control valve (4) by soft valve gap air vent seal (111), soft sealing supporting plate (112), soft sealing and fixing pressing plate (113), can regulate connecting screw rod (114), the valve body delivery port rubber seal plug of falling the bowl-type (115), and adjusting nut (116) assembling constitute.

4. according to the described toilet water tank of claim 1, it is characterized in that described self-control or the commercial composite member that 3 liter and 6 liter two grade waterdrainage amount controls arranged of controlling organization (5) that discharge water that dash for prior art.