CN218564447U

CN218564447U - Dynamic balance electric two-way valve

Info

Publication number: CN218564447U
Application number: CN202223167346.XU
Authority: CN
Inventors: 王晓琳; 蒋斌龙; 冉来群; 黄俊威; 施振宇
Original assignee: Zhejiang Eci Valve Technology Co ltd
Current assignee: Zhejiang Eci Valve Technology Co ltd
Priority date: 2022-11-26
Filing date: 2022-11-26
Publication date: 2023-03-03
Anticipated expiration: 2032-11-26

Abstract

The utility model belongs to the technical field of valves, in particular to a dynamic balance electric two-way valve, which comprises a valve body, wherein a balance component is arranged in the valve body; the balance assembly comprises a core shell, a core inner cylinder is arranged in the core shell, a movable core liner is arranged at the lower port of the core inner cylinder, a first adjusting spring is abutted between the upper end of the core liner and the core inner cylinder, a vertical linear flow hole is formed in the side wall of the core liner, the area of the linear flow hole is gradually increased from bottom to top, and the linear flow hole is positioned above the water inlet hole; be provided with mobilizable valve rod in the core shell, the lower extreme of valve rod is provided with sealed head, and sealed head is located the up end of core courage and is used for sealing it, the upper end of valve rod stretches out the core shell and is connected with electric actuator, the utility model discloses a design of two unifications unites two into one dynamic flow balance valve and electronic two-way valve, has the function of two kinds of valves, has satisfied user's requirement.

Description

Dynamic balance electric two-way valve

Technical Field

The utility model relates to the technical field of valves, refer in particular to a dynamic balance electric two-way valve.

Background

The full-automatic balance valve is mainly applied to a fluid medium pipeline control system, and at present, the full-automatic balance valve has various structural designs.

For example, the invention of china, publication number 103542154B, discloses a dynamic flow balance valve, which comprises a valve core and a valve cover mounted on a valve body, wherein the valve core comprises a valve casing, a valve liner, an upper end cap of the valve liner, and a spring; the valve shell is of a cylindrical sleeve structure, two rectangular through grooves are formed in the wall body of the middle of the valve shell and are symmetrically arranged by taking the axis of the valve shell as the center, a first step is arranged at the upper part of the valve shell, the outer circle of the first step is matched with the inner hole of the valve body, threads are arranged on the inner circle of the first step, a second step is arranged at the lower part of the valve shell, and the step surface of the outer circle of the second step is clamped on the upper opening end surface of the valve seat hole of the valve body; the upper end cap of the valve liner comprises a cylindrical body with a through hole in the middle, and the outer wall of the cylindrical body is in threaded connection with threads on an inner circle of the step I; the valve liner comprises a cylindrical barrel with a bottom at the lower end and an opening at the upper end, a wall body of the cylindrical barrel is provided with a special-shaped curve through hole, and the outer wall of the opening end of the cylindrical barrel is clamped on the inner circle of the step II; the spring housing is arranged outside the wall body in the middle of the valve casing, one end of the spring is propped against the lower end face of the upper end cap of the valve liner, and the other end of the spring is propped against the upper end face of the opening end of the valve liner.

The valve core is simple in structure, the self-operated control element valve liner is arranged inside the valve core, the size of the flow area can be regulated and controlled in a self-operated mode according to the change of the front pressure difference and the back pressure difference of the valve, the output flow is kept constant within the designed pressure difference working range, the flow inside the valve body cannot be controlled and adjusted, and therefore the structure needs to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a dynamic balance electric two-way valve through balanced subassembly, solves the problem that the inside flow of valve body can not control and adjust.

The purpose of the utility model is realized like this: a dynamic balance electric two-way valve comprises a valve body, wherein a water inlet channel and a water outlet channel are formed at two ends of the valve body respectively, a first mounting part which is obliquely arranged is formed in the middle of the valve body, and a balance assembly is arranged in the first mounting part;

the balance assembly comprises a core shell, a core inner cylinder is arranged in the core shell, a movable core liner is arranged at the lower port of the core inner cylinder, a first adjusting spring is abutted between the upper end of the core liner and the core inner cylinder, a water inlet hole is formed in the side wall of the lower side of the core liner and communicated with a water inlet channel, a vertical linear flow hole is formed in the side wall of the core liner, the area of the linear flow hole is gradually increased from bottom to top, and the linear flow hole is located above the water inlet hole;

the core comprises a core container, a core shell and a valve rod, wherein the core shell is internally provided with a movable valve rod, the lower end of the valve rod is provided with a sealing head, the sealing head is positioned at the upper port of the core container and is used for sealing the core container, the upper end of the valve rod extends out of the core shell and is connected with an electric actuator, the periphery of the valve rod is formed with a first annular abutting part, and a second adjusting spring is abutted between the first annular abutting part and the core shell.

Preferably, an annular abutting part II is formed on the outer periphery of the upper end of the core liner, an annular abutting part III is formed on the inner periphery of the upper end of the core inner cylinder, the adjusting spring I is abutted between the annular abutting part II and the annular abutting part III, a sealing gasket is installed at the lower port of the core inner cylinder and is located on the outer periphery of the core liner, and a limiting part I is formed on the inner periphery of the lower end.

Preferably, an overflowing channel is formed between the core outer shell and the core inner barrel, and a water outlet hole communicated with the water outlet channel is formed in the side wall of the core outer shell.

Preferably, a first sealing ring is arranged between the periphery of the lower end of the core shell and the valve body, and a second sealing ring is arranged between the periphery of the lower end of the core inner cylinder and the core shell.

Preferably, be provided with sealing washer three between the upper end periphery of core shell and the valve body, the upper end of core shell is provided with installation department two, and the shaping has the installation cavity that is used for installing the valve rod in the installation department two, and the annular supports to connect to between portion one and the installation cavity regulating spring two, the plug is installed to the upper end of valve rod, installs the sealing member between the periphery of plug and the installation department two, and the upper end of plug is connected with electric actuator.

Preferably, a plurality of limiting convex strips are formed on the inner periphery of the first mounting part, and a plurality of limiting steps matched with the limiting convex strips are formed on the outer periphery of the core shell.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

1. the utility model discloses a design of two unifications unites two into one dynamic flow balance valve and electronic two-way valve, has the function of two kinds of valves, has satisfied the user's requirement.

2. The utility model discloses a design of balanced subassembly makes the flow of output keep dynamic balance, is applied to fan coil with this valve on, can guarantee that water system is in balanced state constantly, makes air conditioning system more energy-conserving, reduces the power consumption, reduces the working costs.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic sectional view of the present invention.

Fig. 3 is a schematic structural diagram of the combination of the balancing components.

Fig. 4 is a schematic diagram of an exploded part configuration of the counterbalance assembly.

Reference numerals are as follows: 1-a valve body; 2-a water inlet channel; 3-a water outlet channel; 4, mounting the first part; 5-a balancing component; 6-core shell; 7-core inner cylinder; 8-core liner; 9-adjusting a first spring; 10-water inlet holes; 12-linear flow orifice; 13-a valve stem; 14-a sealing head; 16-a first annular abutment; 17-adjusting a second spring; 18-a second annular abutment; 19-annular abutment three; 20-a sealing gasket; 21-a first limiting part; 22-an overflow channel; 23-water outlet; 24-a first seal ring; 25-sealing ring II; 26-a sealing ring III; 27-mounting part two; 28-a mounting cavity; 29-a core rod; 30-a seal; 31-limiting convex strips; 32-limit step.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1-4, a dynamic balance electric two-way valve comprises a valve body 1, wherein a water inlet channel 2 and a water outlet channel 3 are respectively formed at two ends of the valve body 1, a mounting part I4 which is obliquely arranged is formed at the middle part of the valve body 1, and a balance assembly 5 is arranged in the mounting part I4, the utility model discloses a design of the balance assembly 5 is used for dynamically balancing the flow inside the valve body, and the dynamic constancy of the output flow is kept;

the balance assembly 5 comprises a core shell 6, a core inner cylinder 7 is arranged in the core shell 6, a movable core liner 8 is arranged at the lower port of the core inner cylinder 7, a first adjusting spring 9 is abutted between the upper end of the core liner 8 and the core inner cylinder 7, a water inlet hole 10 is formed in the side wall of the lower side of the core liner 8, the water inlet hole 10 is communicated with the water inlet channel 2, a vertical linear flow hole 12 is formed in the side wall of the core liner 8, the area of the linear flow hole 12 is gradually increased from bottom to top, the flow can be kept linearly changed, the flow is kept stable, and the linear flow hole 12 is positioned above the water inlet hole 10;

when the water pressure in the water inlet channel 2 is greater than the water pressure in the water outlet channel 3 and the pressure difference between the water inlet channel and the water outlet channel is greater than the normal working state, the water flow pushes the core container 8 to overcome the elastic force of the first adjusting spring 9 to move towards the interior of the core inner cylinder 7, when the core container 8 moves towards the interior of the core inner cylinder 7, the area of the linear flow hole 12 through which the water flow passes is gradually reduced, so that the output flow is kept constant, when the pressure difference is reduced, the core container 8 is automatically pushed out of the core inner cylinder 7 through the elastic force of the first adjusting spring 9, the area of the linear flow hole 12 through which the water flow passes is also gradually increased, so that the output flow is kept dynamically balanced, and the valve is applied to a fan coil, so that a water system can be constantly in a balanced state, an air conditioning system is enabled to be more energy-saving, the power consumption is reduced, and the operation cost is reduced.

The utility model discloses a design of two unifications unites two into one dynamic flow balance valve and electronic two-way valve, has the function of two kinds of valves, has satisfied the user's requirement.

The novel temperature control valve is characterized in that a movable valve rod 13 is arranged in the core shell 6, a sealing head 14 is arranged at the lower end of the valve rod 13, the sealing head 14 is located at the upper end opening of the core liner 8 and used for sealing the core liner, so that the circulation of liquid in the valve body is cut off, the upper end of the valve rod 13 extends out of the core shell 6 and is connected with an electric actuator, the electric actuator is open-type power distribution and can be matched with various temperature controllers, an annular abutting portion I16 is formed on the periphery of the valve rod 13, and a regulating spring II 17 is abutted between the annular abutting portion I16 and the core shell 6.

When the pipeline does not need to supply water, the power supply of the electric actuator is closed, the electric actuator 1 can provide downward pressure, the sealing head 14 is attached to the upper port of the core liner 8 to play a role in sealing, therefore, water flow is cut off, when the pipeline needs to recover water supply, the power supply of the electric actuator is opened, the electric actuator 1 can not provide downward pressure any more, the valve rod drives the sealing head to move upwards through the elastic force of the second adjusting spring 17, and the upper port of the core liner 8 is opened and communicated.

The core container 8 is a cylindrical tube with an opening at the upper end, an annular abutting part II 18 is formed on the outer periphery of the upper end of the core container 8, an annular abutting part III 19 is formed on the inner periphery of the upper end of the core inner tube 7, a first adjusting spring 9 is abutted between the annular abutting part II 18 and the annular abutting part III 19, a sealing gasket 20 is installed at the lower port of the core inner tube 7, the sealing gasket 20 is located on the outer periphery of the core container 8, a first limiting part 21 is formed on the inner periphery of the lower end, when the external pressure of the core container 8 is larger than the internal pressure, the core container 8 can be compressed and moved into the core inner tube 7, the first adjusting spring 9 is compressed, the liquid passing area of the linear flow hole 12 is reduced, and when the external pressure of the core container 8 is reduced, the core container 8 can be pushed out of the core inner tube 7 through the self elasticity of the first adjusting spring 9.

An overflowing channel 22 is formed between the core outer shell 6 and the core inner cylinder 7, and a water outlet hole 23 communicated with the water outlet channel 3 is formed in the side wall of the core outer shell 6.

Under normal working conditions, liquid flows in from the water inlet channel 2, firstly enters the core liner 8 through the water inlet hole 10 and the linear flow hole 12, then flows through the inner cavity of the core inner cylinder 7, flows into the overflowing channel 22 through the upper end port of the core inner cylinder, and then flows to the water outlet channel 3 from the water outlet hole 23.

A first sealing ring 24 is arranged between the periphery of the lower end of the core shell 6 and the valve body 1, and a second sealing ring 25 is arranged between the periphery of the lower end of the core inner cylinder 7 and the core shell 6, so that the sealing performance of the joint between the two parts can be improved, and leakage is prevented.

Be provided with three 26 of sealing washer between the upper end periphery of core shell 6 and the valve body 1, the upper end of core shell 6 is provided with installation department two 27, and the shaping has the installation cavity 28 that is used for installing valve rod 13 in installation department two 27, and the annular supports to have supported between a 16 and the installation cavity 28 and has connect regulating spring two 17, regulating spring two 17 are used for providing self return's resilience force for valve rod 13, plug 29 is installed to the upper end of valve rod 13, installs sealing member 30 between the periphery of plug 29 and installation department two 27, and the upper end of plug 29 is connected with electric actuator, and the installation of being more convenient for is connected with the split type design of executor and valve body.

The inner periphery shaping of installation department 4 has the spacing sand grip 31 of a plurality of, the periphery shaping of core shell 6 has the spacing step 32 of a plurality of and spacing sand grip 31 complex.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The dynamic balance electric two-way valve is characterized by comprising a valve body (1), wherein a water inlet channel (2) and a water outlet channel (3) are respectively formed at two ends of the valve body (1), a first mounting part (4) which is obliquely arranged is formed in the middle of the valve body (1), and a balance assembly (5) is arranged in the first mounting part (4);

the balance assembly (5) comprises a core shell (6), a core inner cylinder (7) is arranged in the core shell (6), a movable core liner (8) is arranged at the lower port of the core inner cylinder (7), a first adjusting spring (9) is abutted between the upper end of the core liner (8) and the core inner cylinder (7), a water inlet hole (10) is formed in the side wall of the lower side of the core liner (8), the water inlet hole (10) is communicated with the water inlet channel (2), a vertical linear flow hole (12) is formed in the side wall of the core liner (8), the area of the linear flow hole (12) is gradually increased from bottom to top, and the linear flow hole (12) is positioned above the water inlet hole (10);

the novel core comprises a core shell (6), and is characterized in that a movable valve rod (13) is arranged in the core shell (6), a sealing head (14) is arranged at the lower end of the valve rod (13), the sealing head (14) is located at the upper port of a core liner (8) and is used for sealing the core liner, the upper end of the valve rod (13) extends out of the core shell (6) and is connected with an electric actuator, an annular abutting part I (16) is formed on the periphery of the valve rod (13), and an adjusting spring II (17) is abutted between the annular abutting part I (16) and the core shell (6).

2. The dynamically balanced, electrically operated two-way valve as recited in claim 1, further comprising: the outer periphery of the upper end of the core container (8) is formed with an annular abutting part II (18), the inner periphery of the upper end of the core inner container (7) is formed with an annular abutting part III (19), the annular abutting part II (18) and the annular abutting part III (19) are abutted between the adjusting spring I (9), a sealing gasket (20) is installed at the lower port of the core inner container (7), the sealing gasket (20) is located at the outer periphery of the core container (8), and a limiting part I (21) is formed in the inner periphery of the lower end.

3. The dynamically balanced, electrically operated two-way valve as recited in claim 1, further comprising: an overflowing channel (22) is formed between the core outer shell (6) and the core inner cylinder (7), and a water outlet hole (23) communicated with the water outlet channel (3) is formed in the side wall of the core outer shell (6).

4. The dynamically balanced, electrically operated two-way valve as recited in claim 1, further comprising: a first sealing ring (24) is arranged between the periphery of the lower end of the core shell (6) and the valve body (1), and a second sealing ring (25) is arranged between the periphery of the lower end of the core inner cylinder (7) and the core shell (6).

5. The dynamically balanced, electrically operated two-way valve as recited in claim 1, further comprising: be provided with sealing washer three (26) between the upper end periphery of core shell (6) and valve body (1), the upper end of core shell (6) is provided with installation department two (27), and the shaping has installation cavity (28) that are used for installing valve rod (13) in installation department two (27), and the annular supports to lean on between portion one (16) and installation cavity (28) the butt have regulating spring two (17), plug (29) are installed to the upper end of valve rod (13), install sealing member (30) between the periphery of plug (29) and installation department two (27), and the upper end of plug (29) is connected with electric actuator.

6. The dynamically balanced, electrically operated two-way valve as recited in claim 1, further comprising: the inner periphery molding of installation department (4) has a plurality of spacing sand grip (31), the outer periphery molding of core shell (6) has a plurality of and spacing sand grip (31) complex spacing step (32).