CN211715778U

CN211715778U - Improved electric regulating valve

Info

Publication number: CN211715778U
Application number: CN201922271474.0U
Authority: CN
Inventors: 郑开省
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-10-20
Anticipated expiration: 2029-12-17

Abstract

The utility model relates to the technical field of valves, the utility model provides a structural design is reasonable, long service life, can make the case have about pressure-bearing anti vibration anti-drop effect, can realize pressure differential around the automatic control again, accurate modified electric control valve who adjusts, solve prior art and have the case to drop and can not realize the technical problem of control pressure differential function, including valve gap, movable block, buffer spring and connecting pipe, be equipped with between case top and the valve body and close buffer spring to pass the valve rod, the movable block is located between case and the valve gap to and form the upper movable chamber between the case, and form the lower movable chamber between the valve gap, adopt the copper connecting pipe to link to each other between valve gap below and the valve body delivery end below neighbouring department, and pipe still is equipped with the ball valve in its connecting pipe.

Description

Improved electric regulating valve

Technical Field

The utility model relates to a central air conditioning system valve class technical field especially relates to an improved generation electrical control valve.

Background

The electric regulating valve is an electric valve adopted by a central air-conditioning system and a heating and ventilation system pipeline, most of the electric regulating valve is used for the tail end air-conditioning equipment or a water return pipe of the heating and ventilation air-conditioning system, the electric regulating valve is mainly suitable for temperature control of the tail end air-conditioning equipment (such as an air-conditioning box, a fresh air unit and an air processor) of the heating and ventilation air-conditioning system, and by configuring an intelligent module control device, the flow and the temperature of each loop can be conveniently and automatically controlled, so that the energy is reasonably utilized, the energy is saved, the consumption is.

The valve tail end equipment is only influenced by the standard control signal and is not influenced by system pressure fluctuation, so that the system is more stably regulated, more energy is saved, and the valve tail end equipment is particularly suitable for a variable flow system with larger system load change.

At present, the internal structure of the traditional electric two-way valve or electric regulating valve is simple, the design of each internal part is common in market competition, meanwhile, dirt is easily generated inside the valve core to cause the phenomenon that the valve core is moved up and down and is blocked, and the electric two-way valve or electric regulating valve is easy to vibrate under the condition of high water pressure due to the fact that the torsion of an electric device is large in the closing moment, so that the valve core is broken due to falling, the maintenance is troublesome, and the service life is short. Its application number of current chinese utility model patent: 201220467687.6A high accuracy dynamic balance electric two-way valve has the same simple design of its internal structure, the internal structure adopts valve rod and valve clack to form, the valve clack often appears and drops because of water pressure or water hammer is too big, can not reach the effect of using, it is also more troublesome to maintain and change when case or valve clack drop, can not realize the automatic compensation pressure differential again, short service life.

SUMMERY OF THE UTILITY MODEL

To the problem that above-mentioned exists, the utility model provides a structural design is reasonable, long service life can make the case have about pressure-bearing anti vibration anti-drop effect, can realize pressure differential around the automatic control again, the improved generation electrical control valve of accurate regulation, solve prior art and have the case to drop and can not realize the technical problem of control pressure differential function.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an improved electric control valve comprises a valve body, a valve cover, a valve core, a sealing nut and a valve rod, wherein the valve core which moves up and down is arranged between a water inlet end and a water outlet end in the valve body, an O-shaped sealing ring is arranged between the upper part of the valve core and a valve seat of the valve body, an O-shaped sealing ring is also arranged between the outer side of the valve core and the valve body, the valve cover is arranged at the bottom of the valve body and is connected with the valve body through bolts, an O-shaped sealing ring is also arranged between the valve body and the valve cover, one end of the valve rod is arranged above the valve core in a penetrating way and is connected with the valve core through a nut, the other end of the valve rod is arranged above the valve body in a penetrating way and is connected with an electric device, a bracket for fixing the electric device is also arranged above the valve body, a fixed gland is pressed between, the movable block is arranged between the valve core and the valve cover, an upper movable cavity is formed between the movable block and the valve core, a lower movable cavity is formed between the movable block and the valve cover, a copper connecting pipe is adopted between the lower part of the valve cover and the adjacent part of the lower part of the water outlet end of the valve body for connection, and a ball valve is further arranged in the middle pipe of the connecting pipe.

The further improvement is that: the middle of the valve cover is also provided with a connecting hole, and the adjacent part below the water outlet end of the valve body is also provided with a connecting hole.

The further improvement is that: the valve core is made of 304 stainless steel.

The further improvement is that: an O-shaped sealing ring is further arranged between the movable block and the valve body, and the movable block is made of lead brass.

By adopting the technical scheme, the beneficial effects of the utility model are that: the improved electric control valve adopts the design that the buffer spring and the movable block are mainly used for clamping the valve core between the elasticity of the buffer spring and the water pressure in the lower movable cavity so as to prevent the valve core from vibrating at the closing or opening moment and prevent the valve core from falling off and prevent impact from damaging a sealing ring at the closing moment of the valve, a copper connecting pipe is arranged below the valve cover and is used for stabilizing the valve core, and when the pressure of a water outlet is ultrahigh when the valve core is opened, the water pressure is guided into the lower movable cavity through the connecting pipe to keep the pressure difference between the movable block and the valve core to be small at the upper closing valve port and the valve core to be constant, a ball valve is further arranged in the connecting pipe, and the ball valve is used for controlling or adjusting the water pressure of water entering the connecting pipe to prevent the water pressure of the water entering the connecting pipe from being too fast.

Still be equipped with the connecting hole in the middle of the valve gap, valve body goes out the adjacent department in water end below and is equipped with the connecting hole equally, the case material adopts 304 stainless steel, prevents that the case from rustting the card and dying, still be equipped with O type sealing washer between movable block and the valve body, the movable block material adopts lead brass, prevents that the case from rustting the card and dying and produce the dirt phenomenon.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a full sectional view of the valve body of the present invention;

fig. 3 is a top view of the valve cover of the present invention.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the following will combine the drawings in the embodiments of the present invention to describe the present invention in further detail.

Referring to fig. 1 to 3, the embodiment of the present invention discloses an improved electric control valve, which comprises a valve body 6, a valve cover 3, a valve core 7, a sealing nut 9 and a valve rod 12, wherein the valve core 7 which moves up and down is arranged in the middle of a water inlet end 61 and a water outlet end 62 in the valve body 6, an O-shaped sealing ring 71 is arranged between the upper part of the valve core 7 and a valve seat 66 of the valve body 6, an O-shaped sealing ring 72 is also arranged between the outer side of the valve core 7 and the valve body 6, the bottom of the valve body 6 is provided with the valve cover 3 and connected with the valve body 6 by a bolt, an O-shaped sealing ring 4 is also arranged between the valve body 6 and the valve cover 3, one end of the valve rod 12 is arranged above the valve core 7 and connected with the valve core 7 by a nut, the other end is arranged above the valve body 6 and connected with an, a fixed gland 13 is adopted between a support 10 and the upper part of a valve body 6 for pressing, a sealing nut 9 is further arranged between the upper part of the valve body 6 and the valve rod 12 and penetrates through the valve rod 12, a closing buffer spring 8 is arranged between the upper part of a valve core 7 and the valve body 6 and penetrates through the valve rod 12, a movable block 5 is arranged between the valve core 7 and a valve cover 3 and forms an upper movable cavity 65 with the valve core 7 and a lower movable cavity 64 with the valve cover, a copper connecting pipe 2 is adopted between the lower part of the valve cover 3 and the adjacent part of the lower part of a water outlet end 62 of the valve body 6 for connecting, and a ball valve 1 is further arranged.

The middle of the valve cover 3 is also provided with a connecting hole 31, a connecting hole 63 is also formed in the position adjacent to the lower part of the water outlet end 62 of the valve body 6, the valve core 7 is made of 304 stainless steel, an O-shaped sealing ring 51 is further arranged between the movable block 5 and the valve body 6, and the movable block 5 is made of lead brass.

The improved electric control valve adopts the design that the buffer spring and the movable block are mainly used for clamping the valve core between the elasticity of the buffer spring and the water pressure in the lower movable cavity so as to prevent the valve core from vibrating at the closing or opening moment and prevent the valve core from falling off and prevent impact from damaging a sealing ring at the closing moment of the valve, a copper connecting pipe is arranged below the valve cover and is used for stabilizing the valve core, and when the pressure of a water outlet is ultrahigh when the valve core is opened, the water pressure is guided into the lower movable cavity through the connecting pipe to keep the pressure difference between the movable block and the valve core to be small at the upper closing valve port and the valve core to be constant, a ball valve is further arranged in the connecting pipe, and the ball valve is used for controlling or adjusting the water pressure of water entering the connecting pipe to prevent the water pressure of the water entering the connecting pipe from being too fast.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. An improved electric control valve comprises a valve body, a valve cover, a valve core, a sealing nut and a valve rod, a valve core which moves up and down is arranged in the valve body between the water inlet end and the water outlet end, an O-shaped sealing ring is arranged between the upper part of the valve core and the valve seat of the valve body, an O-shaped sealing ring is also arranged between the outer side of the valve core and the valve body, a valve cover is arranged at the bottom of the valve body and is connected with the valve body by bolts, an O-shaped sealing ring is arranged between the valve body and the valve cover, one end of the valve rod is arranged above the valve core in a penetrating way and is connected with the valve core by a nut, the other end of the valve body is arranged above the valve body in a penetrating way and is connected with the electric device, a bracket for fixing the electric device is also arranged above the valve body, adopt fixed gland to push down between its support and the valve body top, still be equipped with gland nut and pass valve rod, its characterized in that between valve body top and the valve rod: the valve comprises a valve cover, a movable block, a buffer spring and a connecting pipe, wherein a closing buffer spring is arranged between the upper part of a valve core and a valve body and penetrates through a valve rod, the movable block is arranged between the valve core and the valve cover and forms an upper movable cavity with the valve core and a lower movable cavity with the valve cover, a copper connecting pipe is adopted between the lower part of the valve cover and the adjacent part of the lower part of the water outlet end of the valve body for connection, and a ball valve is further arranged in the connecting pipe.

2. The improved electric regulator valve according to claim 1, wherein: the middle of the valve cover is also provided with a connecting hole, and the adjacent part below the water outlet end of the valve body is also provided with a connecting hole.

3. The improved electric regulator valve according to claim 1, wherein: the valve core is made of 304 stainless steel.

4. The improved electric regulator valve according to claim 1, wherein: an O-shaped sealing ring is further arranged between the movable block and the valve body, and the movable block is made of lead brass.