CN205896330U - Electric two way valve case structure - Google Patents

Abstract

The utility model discloses an electric two way valve case structure, the pressure cap is installed through the bolt in the top of skeleton, the bottom of skeleton is equipped with the taper ring, the top of pressure cap is run through there is the valve rod, frame connection is run through to the bottom of valve rod has the valve clack, the spacing collar has been cup jointed in the lower part outside of valve rod, press the inside of cap to be equipped with first sealing washer, the bottom inboard of skeleton is equipped with the second sealing washer, first sealing washer and second sealing washer all cup joint in the outside of valve rod, the outside of valve rod is equipped with the spring holder, press the bottom of cap to pass through the top of spring coupling in the spring holder, the spring cup joints in the outside of valve rod. Pressure cap and skeleton that this case set up through the toper for the installation of case is more laborsaving more easily, when the valve internal pressure was big more, the taper ring can outwards be expanded, and then makes the outside of taper ring hug closely in the inboard of valve body to sealed case better and the gap between the valve body.

Description

A kind of electric two-way valve valve core structure

Technical field

This utility model is related to valve technology field, specially a kind of electric two-way valve valve core structure.

Background technology

Electric two-way valve is a kind of normally closed type valve door being applied on refrigeration and heating and ventilating pipeline, and it is mainly by entering wall Formula control panel controlling on/off and to be preset according to indoor temperature, thus it is electronic to drive valve core structure to realize The keying purpose of two-port valve, therefore, valve core structure is undoubtedly the core component in whole electric two-way valve.Traditional electronic two-way Valve core structure be all using overall Fast Installation, detachable, can mutual distribution type structure, mainly by valve element, valve rod, pressure cap, Upper spring seat, lower spring cup, spring and sealing ring etc. are constituted, and the sealing structure of valve core inside is broadly divided at two, under being respectively " o " the type sealing ring sealing between hard sealing and valve rod and valve element to copper of squash type copper between spring base and valve element.And with Land resource increasingly rare, skyscraper is rised sheer from level ground, corresponding skyscraper interior conduit pressure medium also more and more higher, right The valve use environment being arranged on pipeline and performance all propose requirements at the higher level, after pipeline pressure is more than 1.0mpa, tradition The valve core structure sealing property of product is challenged, and is easy to generation and lets out at the hard sealing especially between lower spring cup and valve element , there is potential safety hazard in leakage, and this sealing structure has stopped the area of passage of runner, impact refrigeration or heating effect.And Traditional valve element has para-position when being installed in valve body is forbidden and laborious situation, not only affects work efficiency, and affects The sealing of valve, for this reason, propose a kind of electric two-way valve valve core structure.

Utility model content

The purpose of this utility model is to provide a kind of electric two-way valve valve core structure, to solve to carry in above-mentioned background technology The problem going out.

For achieving the above object, this utility model provides a kind of following technical scheme: electric two-way valve valve core structure, including Skeleton, the top of described skeleton is provided with pressure cap by bolt, and the top of described skeleton is provided with cone tank, the bottom of described pressure cap It is inserted in the inside of cone tank, the bottom of described skeleton is provided with taper ring, and the top of described pressure cap is run through valve rod, described valve rod Bottom run through skeleton and be connected with flap, the lower outside of described valve rod is socketed with spacing collar, and the inside of described pressure cap is provided with One sealing ring, the bottom inside of described skeleton is provided with the second sealing ring, and described first sealing ring and the second sealing ring are all socketed on The outside of valve rod, the outside of described valve rod is provided with spring base, and the bottom of described pressure cap is connected to the top of spring base by spring, Described spring is socketed on the outside of valve rod.

Preferably, the bottom shape of described pressure cap is the taper setting matching with cone tank, the outer sheath of described pressure cap It is connected to rubber ring.

Preferably, the top of described skeleton is uniformly run through screwed hole, and the quantity of described screwed hole is no less than 3.

Preferably, the outer middle side part of described skeleton is arranged for taper, and the outer middle side part of described skeleton is socketed with rubber ring, institute The quantity stating rubber ring is no less than 2.

Compared with prior art, the beneficial effects of the utility model are: pressure cap and skeleton that this valve element is arranged by taper, The installation making valve element is more prone to more laborsaving；When in valve, pressure is bigger, taper ring can expand outwardly, and then makes taper The inner side of valve body is close in the outside of circle, thus the gap between better seal valve element and valve body.

Brief description

Fig. 1 is this utility model structural representation；

Fig. 2 is this utility model electric two-way valve structural representation；

Fig. 3 is this utility model positive structure diagram.

In figure: 1 skeleton, 2 valve rods, 3 pressure caps, 4 taper rings, 5 flaps, 6 spacing collars, 7 spring bases, 8 springs, 9 cone tanks, 10 First sealing ring, 11 rubber rings, 12 bolts, 13 second sealing rings, 14 screwed holes, 15 drivers, 16 valve bodies, 17 water inlets, 18 Outlet.

Specific embodiment

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work The every other embodiment being obtained, broadly falls into the scope of this utility model protection.

Refer to Fig. 1-3, this utility model provides a kind of a kind of technical scheme: electric two-way valve valve core structure, including bone Frame 1, the top of described skeleton 1 is provided with pressure cap 3 by bolt 12, and the top of described skeleton 1 is provided with cone tank 9, described pressure cap 3 Bottom be inserted in the inside of cone tank 9, the bottom of described skeleton 1 is provided with taper ring 4, and the top of described pressure cap 3 is run through valve Bar 2, the bottom of described valve rod 2 is run through skeleton 1 and is connected with flap 5, and the lower outside of described valve rod 2 is socketed with spacing collar 6, described The inside of pressure cap 3 is provided with the first sealing ring 10, and the bottom inside of described skeleton 1 is provided with the second sealing ring 13, described first sealing Circle 10 and the second sealing ring 13 are all socketed on the outside of valve rod 2, and the outside of described valve rod 2 is provided with spring base 7, described pressure cap 3 Bottom is connected to the top of spring base 7 by spring, and described spring 8 is socketed on the outside of valve rod 2.

Further, the bottom shape of described pressure cap 3 is the taper setting matching with cone tank 9, described pressure cap 3 Outside be socketed with rubber ring 11 so that pressure cap 3 pick and place be more prone to laborsaving, and sealing effectiveness is more preferable.

Further, the top of described skeleton 1 is uniformly run through screwed hole 14, and the quantity of described screwed hole 14 is no less than 3 Individual so that the fixation of skeleton 1 is more stable.

Further, the outer middle side part of described skeleton 1 is arranged for taper, and the outside of described skeleton 1 is socketed with rubber ring 11, The quantity of described rubber ring 11 is no less than 2 so that the installation of valve element is more prone to, and the sealing between valve element and valve body 16 Effect is more preferable.

Specifically, valve rod 2 is connected with driver 15, bolt 12 is fixedly installed in by 14 skeletons 1 of screwed hole The top of valve body 16, when valve is closed, driver 15 power-off, spring 8 band flexible spring seat 7 move downward so that Valve rod 2 moves downward, and valve rod 2 drives flap 5 to move, thus blocking the passage between water inlet 17 and outlet 18, Jin Erguan Valve closing door；When valve opening, driver 15 is energized and carries ovable valve stem 2 to move upwards, and now valve rod 2 drives flap 5 to transport upwards Dynamic, thus opening the communicating passage between water inlet 17 and outlet 18, and then open valve.The skeleton 1 of taper setting So that the installation of valve element is more prone to, the setting of taper ring 4 makes when valve internal has pressure, and taper ring 4 can be to Outer expansion, and then make the outside of taper ring 4 be close to the inner side of valve body 16, and reach sealing purpose, and also pressure is higher, cone More preferably, thus better seal valve, spacing collar 6 is used for limiting the motion amplitude of valve rod 2 sealing effectiveness of shape circle 4, thus preventing Only lead to because of the hyperkinesia of valve rod 2 situation that flap 5 is bumped against with taper ring 4 to occur, and then reach protection flap 5 and taper The effect of circle 4, the first sealing ring 10 and the second sealing ring 13 are used for the connection between sealed valve stem 2 and pressure cap 3 and skeleton 1 respectively Place, prevents fluid seepage.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out with multiple changes in the case of without departing from principle of the present utility model and spirit, repair Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of electric two-way valve valve core structure, including skeleton (1) it is characterised in that: the top of described skeleton (1) pass through bolt (12) pressure cap (3) is installed, the top of described skeleton (1) is provided with cone tank (9), and the bottom of described pressure cap (3) is inserted in taper The inside of groove (9), the bottom of described skeleton (1) is provided with taper ring (4), and the top of described pressure cap (3) is run through valve rod (2), institute The bottom stating valve rod (2) is run through skeleton (1) and is connected with flap (5), and the lower outside of described valve rod (2) is socketed with spacing collar (6), The inside of described pressure cap (3) is provided with the first sealing ring (10), and the bottom inside of described skeleton (1) is provided with the second sealing ring (13), Described first sealing ring (10) and the second sealing ring (13) are all socketed on the outside of valve rod (2), and the outside of described valve rod (2) is provided with Spring base (7), the bottom of described pressure cap (3) is connected to the top of spring base (7) by spring, and described spring (8) is socketed on valve The outside of bar (2).

2. a kind of electric two-way valve valve core structure according to claim 1 it is characterised in that: the bottom of described pressure cap (3) It is shaped as the taper setting matching with cone tank (9), the outside of described pressure cap (3) is socketed with rubber ring (11).

3. a kind of electric two-way valve valve core structure according to claim 1 it is characterised in that: the top of described skeleton (1) Uniformly running through has screwed hole (14), and the quantity of described screwed hole (14) is no less than 3.

4. a kind of electric two-way valve valve core structure according to claim 1 it is characterised in that: the outside of described skeleton (1) Middle part is socketed with rubber ring (11) for taper setting, the outer middle side part of described skeleton (1), and the quantity of described rubber ring (11) is many In 2.