CN209212992U - A kind of water conservancy autocontrol valve - Google Patents

Abstract

The utility model discloses a kind of water conservancy autocontrol valves, including valve body, the valve body includes outlet tube and inlet tube, the top end of the valve body face is fixedly connected with diaphragm, two sides up and down in the middle part of the diaphragm are fixedly connected to liner plate, the left and right sides of the valve body upper end passes through the first regulating valve respectively and the second regulating valve is fixedly connected with valve deck, the valve deck center bottom is provided with cushion chamber, the valve deck right part, which runs through, is plugged with pilot valve, the valve deck center bottom is plugged with valve shaft, spring is equipped between the fastening nut upper end and valve deck bottom end, the spring is socketed in the top of valve shaft, valve shaft bottom end fixing sleeve is connected to valve plate.The utility model can directly adjust hydraulic pressure and flow by internal, realize internal pressure regulation tune stream, reduce the production cost, improve work efficiency, also provide great convenience for the installation of control valve and transport.

Description

A kind of water conservancy autocontrol valve

Technical field

The utility model relates to valve technology field, specially a kind of water conservancy autocontrol valve.

Background technique

Valve is for being opened and closed pipeline, control flow direction, the parameter (temperature, pressure and flow) of regulation and control pumped (conveying) medium Pipeline fittings.According to its function, shut-off valve, check-valves, regulating valve etc. can be divided into.The irrigation control valve tune of existing valve gate technology Saving pipeline is all on the outside of valve, and installation and transportation are more troublesome, and cost of manufacture is high, using trouble low efficiency.For this purpose, it is proposed that A kind of water conservancy autocontrol valve.

Utility model content

It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of water conservancy autocontrol valve Problem.

To achieve the above object, the utility model provides the following technical solutions: a kind of water conservancy autocontrol valve, including valve Body, the valve body include outlet tube and inlet tube, and the outlet tube right end is connected to inlet tube left end, and the top end of the valve body face is solid Surely it is connected with diaphragm, the two sides up and down in the middle part of the diaphragm are fixedly connected to liner plate, the left and right sides point of the valve body upper end Valve deck is not fixedly connected with by the first regulating valve and the second regulating valve, the valve deck center bottom is provided with cushion chamber, the valve Lid right part is plugged with valve shaft through pilot valve, the valve deck center bottom is plugged with, and the liner plate is socketed in the top of valve shaft, and serves as a contrast Plate top and the junction of valve shaft are equipped with fastening nut, and spring is equipped between the fastening nut upper end and valve deck bottom end, described Spring is socketed in the top of valve shaft, and valve shaft bottom end fixing sleeve is connected to valve plate.

Preferably, first regulating valve and the second regulating valve extend through the left and right sides of diaphragm.

Preferably, the valve plate of the pilot valve bottom end connection is located at cushion chamber inner cavity.

Preferably, the spring is in compressive state always.

Preferably, valve plate upper surface outer diameter is greater than inlet tube and outlet tube lower part junction bore, and valve plate bottom end The outer diameter in face is less than inlet tube and outlet tube lower part junction bore.

Compared with prior art, the utility model has the beneficial effects that this kind of water conservancy autocontrol valve, is served as a contrast by setting Plate, diaphragm, spring, cushion chamber, pilot valve and the second regulating valve can directly adjust hydraulic pressure and flow by internal, realize internal Pressure regulation tune stream, reduces the production cost, improves work efficiency, also for the installation of control valve and transport provide it is very big just Benefit.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

In figure: 1 valve body, 11 outlet tubes, 12 inlet tubes, 2 valve shafts, 21 fastening nuts, 22 valve plates, 3 diaphragms, 4 liner plates, 5 bullets Spring, 6 valve decks, 61 cushion chambers, 7 first regulating valves, 8 pilot valves, 9 second regulating valves.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Referring to Fig. 1, the utility model provides a kind of technical solution: a kind of water conservancy autocontrol valve, including valve body 1, institute Stating valve body 1 includes outlet tube 11 and inlet tube 12, and 11 right end of outlet tube is connected to 12 left end of inlet tube, and the valve body 1 pushes up End face is fixedly connected with diaphragm 3, and diaphragm 3 can live 1 top seal of valve body, and diaphragm 3 is elastic piece, 3 middle part of diaphragm Two sides up and down be fixedly connected to liner plate 4, liner plate 4 is used to support the middle part of diaphragm 3, the left and right sides of 1 upper end of valve body Valve deck 6,9 bottom of the first regulating valve 7 and the second regulating valve are fixedly connected with by the first regulating valve 7 and the second regulating valve 9 respectively It is plugged in the screw hole on valve body 1, it is long relative to the exposing on 1 top of valve body by adjusting the first regulating valve 7 and the second regulating valve 9 Degree, is adjustable the spacing of 6 bottom end of valve deck Yu 1 top of valve body, can expand the capacity of cushion chamber 61,7 He of the first regulating valve Second regulating valve 9 extends through the left and right sides of diaphragm 3.6 center bottom of valve deck is provided with cushion chamber 61, and the valve deck 6 is right Portion is located at 61 inner cavity of cushion chamber through pilot valve 8, the valve plate of 8 bottom end of the pilot valve connection is plugged with, and the valve rod of pilot valve 8 is located at liner plate 4 top moves down kinetic energy thereon and enough plays the role of limiting 4 position of liner plate.6 center bottom of valve deck is plugged with valve shaft 2, institute The top that liner plate 4 is socketed in valve shaft 2 is stated, and 4 top of liner plate and the junction of valve shaft 2 are equipped with fastening nut 21, fastening nut 21 For reinforcing the connection of liner plate 4 Yu valve shaft 2, spring 5, the bullet are equipped between 21 upper end of fastening nut and 6 bottom end of valve deck Spring 5 is socketed in the top of valve shaft 2, and the spring 5 is in compressive state always, and spring 5 will give valve plate 22 downward pressure always Power, so that the pushing of valve plate 22 can block the junction of outlet tube 11 and inlet tube 12.2 bottom end of valve shaft is fixedly attached There is valve plate 22.The 22 upper surface outer diameter of valve plate is greater than inlet tube 12 and 11 lower part junction bore of outlet tube, and 22 bottom of valve plate The outer diameter of end face is less than inlet tube 12 and 11 lower part junction bore of outlet tube, and liquid will impact valve plate when entering from inlet tube 12 22 bottoms, so that being pushed up on valve plate 22.

Working principle: in use, when liquid enters from inlet tube 12, valve plate 22 will be driven to jack up, at this moment valve shaft 2 is by band It is pushed up on dynamic liner plate 4, so that upper top, spring 5 compress in the middle part of diaphragm 3, at this moment, by turning for pilot valve 8, is able to drive its bottom Valve plate pushes, and the valve plate pushing of pilot valve 8 can limit the space that liner plate 4 moves up, and flows into outlet tube 11 so as to control liquid Bore, have the function that current limliting, and adjust the first regulating valve 7 and the second regulating valve 9 simultaneously, valve deck 6 and valve will be adjusted The distance between body 1 can change the height of cushion chamber 61, when cushion chamber 61 highly changes, can change on valve plate 22 The space of shifting, and then change the bore that liquid flows into outlet tube 11, i.e., from the internal regulation that can reach waterpower in pipeline.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of water conservancy autocontrol valve, including valve body (1), it is characterised in that: the valve body (1) include outlet tube (11) and into Liquid pipe (12), outlet tube (11) right end are connected to inlet tube (12) left end, and valve body (1) top end face is fixedly connected with film Piece (3), the two sides up and down in the middle part of the diaphragm (3) are fixedly connected to liner plate (4), the left and right sides of valve body (1) upper end It is fixedly connected with valve deck (6) by the first regulating valve (7) and the second regulating valve (9) respectively, valve deck (6) center bottom is provided with Cushion chamber (61), for valve deck (6) right part through being plugged with pilot valve (8), valve deck (6) center bottom is plugged with valve shaft (2), The liner plate (4) is socketed in the top of valve shaft (2), and the junction of liner plate (4) top and valve shaft (2) is equipped with fastening nut (21), spring (5) are equipped between fastening nut (21) upper end and valve deck (6) bottom end, the spring (5) is socketed in valve shaft (2) top, valve shaft (2) bottom end fixing sleeve are connected to valve plate (22).

2. a kind of water conservancy autocontrol valve according to claim 1, it is characterised in that: first regulating valve (7) and Two regulating valves (9) extend through the left and right sides of diaphragm (3).

3. a kind of water conservancy autocontrol valve according to claim 1, it is characterised in that: pilot valve (8) the bottom end connection Valve plate is located at cushion chamber (61) inner cavity.

4. a kind of water conservancy autocontrol valve according to claim 1, it is characterised in that: the spring (5) is always in pressure Contracting state.

5. a kind of water conservancy autocontrol valve according to claim 1, it is characterised in that: valve plate (22) upper surface outer diameter Greater than inlet tube (12) and outlet tube (11) lower part junction bore, and the outer diameter of valve plate (22) bottom face is less than inlet tube (12) With outlet tube (11) lower part junction bore.