A kind of threeway rubber pipe valve
Technical field
The utility model relates to a kind of rubber pipe valve, relates in particular to a kind of threeway rubber pipe valve that is applicable to impurity containing fluid.
Background technique
At present, the greatest problem that three-way cut-off valve exists is very high to the turbidity test requirement of medium, and when medium contained impurity, valve can't turn-off fully.In many equipment, must contain impurity in the fluid, more particularly have the occasion of circulating backwater pipeline, the circulation of fluid often makes impurity be deposited near the valve water inlet, more makes the valve can't proper functioning.
Summary of the invention
The purpose of this utility model is: at having the problem that valve is not suitable for impurity containing fluid now, propose a kind of threeway rubber pipe valve impurity containing fluid, that have water return pipeline that is applicable to.
The main technical schemes that the utility model adopted is:
A kind of threeway rubber pipe valve of the utility model comprises pipeline, valve body, drive part.Pipeline is made up of water inlet water nozzle 13, water outlet water nozzle 4, water outlet sebific duct 6, backwater water nozzle 8, backwater sebific duct 10; Valve body is made up of valve seat 3, trim ring 5, adjustment piece 12, adjustment screw 1, fastening screw trip bolt 2; Drive part is made up of rotating shaft 9, revolution terminal 7, catch 11.
The utility model adopts adjustable valve seat of band cambered surface, when rotating shaft drive revolution terminal forwards the left side to, revolution terminal and valve seat squeeze out the glue pipe, use the sebific duct of good springiness to make outlet pipe, formation face contact when the bilateral wall compression produces distortion, even there is impurity also can not influence the closure of valve in the fluid, pipeline is thoroughly blocked; At this moment, the backwater sebific duct on right side discharges fully, and pipeline is opened.When rotating shaft drive revolution terminal forwarded the right side to, just in time opposite, the water outlet sebific duct unclamped, and the backwater sebific duct turn-offs.Adjust valve seat and adjust the position of piece, can adjust the amount of deformation of sebific duct, reach best sealing effect.Return pipe is connected with intake pipe, can forms the circulating backwater pipeline.When this valve is installed, intake pipe below, intake pipe and return pipe lead directly to, it is smooth and easy to circulate, and does not have resistance; One section pipeline that makes progress is arranged between water return pipeline and rising pipe joint and the intake pipe, guarantee when valve closing, the impurity of fluid can not deposit to the ingress of water outlet sebific duct.When valve open, under the effect of pressure, fluid and impurity together flow out by the water outlet sebific duct.
The beneficial effects of the utility model are, because the threeway rubber pipe valve of the structure uniqueness that the utility model is made up of for core adjustable valve seat, the circular turned terminal of band cambered surface, the sebific duct of good springiness etc., this threeway rubber pipe valve contains at fluid under the situation of impurity, can close fully; Its unique shunt structure can make the impurity in the backwater fully circulate, and can not be deposited on the ingress of water outlet sebific duct.Have compact structure, be easy to control, characteristics such as easy to maintenance.
Description of drawings
Fig. 1 is an overall structure schematic representation of the present utility model
Fig. 2 is the structural representation of Fig. 1 return pipe closed condition
Embodiment
Be described with reference to the accompanying drawings structural principle of the present utility model:
A kind of threeway rubber pipe valve of the utility model comprises pipeline, valve body, drive part.Pipeline is made up of water inlet water nozzle 13, water outlet water nozzle 4, water outlet sebific duct 6, backwater water nozzle 8, backwater sebific duct 10; Valve body is made up of valve seat 3, trim ring 5, adjustment piece 12, adjustment screw 1, fastening screw trip bolt 2; Drive part is made up of rotating shaft 9, revolution terminal 7, catch 11.
As shown in Figure 1, rotating shaft 9 drives revolution terminal 7 and rotates to the left, and revolution terminal 7 is closed out water passage with the extrusion-deformation of water outlet sebific duct, opens the backwater path simultaneously; Below rotating shaft 9 and revolution terminal 7, a catch 11 is arranged, can be spacing to the revolution terminal, guarantee that the revolution terminal is parked in the position vertical with sebific duct.Adjusting piece has a groove near sebific duct one side, and when the revolution terminal choked sebific duct one side, opposite side also produced distortion, and this energy of deformation stops fluid to pass through pipeline effectively, even contain a large amount of impurity in the fluid, also can accomplish to seal fully.
Equally, as shown in Figure 2, when rotating shaft 9 drive revolution terminals 7 rotated to the right, revolution terminal 7 was closed the backwater path with the extrusion-deformation of backwater sebific duct, opens out water passage simultaneously.
Change the degree of tightness of adjusting screw 1 and fastening screw trip bolt 2, can adjust the amount of deformation of sebific duct.
When this valve was installed, intake pipe guaranteed that the impurity in the water return pipeline can not deposit to water outlet sebific duct 6 inlets down.When valve open, under the effect of pressure, fluid and impurity together flow out by water outlet sebific duct 6.
During maintenance, only trim ring 5 need be taken apart, water outlet sebific duct and backwater sebific duct can be dismantled, change easily.