CN216131415U

CN216131415U - Two-way different-caliber adjusting valve

Info

Publication number: CN216131415U
Application number: CN202121986229.9U
Authority: CN
Inventors: 陆耀威; 朱峰; 朱安
Original assignee: Shanghai Pin An High Pressure Control Valve Co ltd
Current assignee: Shanghai Pin An High Pressure Control Valve Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-03-25
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses a two-way different-caliber adjusting valve, which relates to the technical field of adjusting valves and comprises a valve body and a valve rod, wherein an adjusting rod cavity is arranged in the center of the interior of the valve body, one end of an adjusting rod in the adjusting rod cavity extends out of the valve body and is connected with an adjusting knob, the adjusting knob can be fixed on the outer wall of the valve body, the other end of the adjusting rod, which extends into the interior of the valve rod, is fixedly connected with an upper adjusting rod and a lower adjusting rod, the upper adjusting rod and the lower adjusting rod are respectively and rotatably connected with an upper connecting rod and a lower connecting rod below the interior of the valve rod through a connecting rotating shaft, the upper connecting rod extends to an upper valve core, the lower connecting rod extends to a lower valve core, and the upper connecting rod and the lower connecting rod are connected with an upper valve core and a lower valve core through a connecting rotating shaft II and extend into the inner cavity of the valve rod. The traditional valve rod is of a hollow structure, and the adjusting rod capable of adjusting the height of the valve core is arranged in the valve rod, so that a certain adjustable flow can be reserved when the electromagnetic switch closes or opens the valve core.

Description

Two-way different-caliber adjusting valve

Technical Field

The utility model relates to the field of regulating valves, in particular to a double-path different-caliber regulating valve.

Background

In the automatic control of modern plants, the control valves play a very important role, the production of which depends on the correct distribution and control of the flowing medium, whether it be the exchange of energy, the reduction of pressure or the simple charging of the containers, which require some final control element to be carried out.

The outlet caliber of the existing double-path regulating valve is single, the regulation can not be carried out according to the requirements under the regulation condition of certain specific requirements, and the regulation process can only be simple closing and opening, and the flow of two outlets which are simultaneously opened can not be regulated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: the two-way different-caliber adjusting valve aims to solve the problems that the outlet caliber of the existing two-way adjusting valve is single, the adjusting condition of certain specific requirements cannot be adjusted according to requirements, the adjusting process can only be simple and closed and opened and closed, and the flow of two outlets which are simultaneously opened cannot be adjusted.

In order to achieve the purpose, the utility model provides the following technical scheme:

a double-path different-caliber adjusting valve comprises a valve body and a valve rod, wherein a valve rod is arranged in the center of the valve body, an inlet cavity is formed in the bottom end inner cavity of the valve body, an upper outlet cavity is formed in the upper end of the inlet cavity, a lower outlet cavity is formed in the lower end of the inlet cavity, an adjusting rod cavity is formed in the upper end of the valve body, an upper valve core capable of moving on the valve rod in a short distance is connected between the inlet cavity and the upper outlet cavity of the valve rod, a lower valve core capable of moving on the valve rod in a short distance is connected between the inlet cavity and the lower outlet cavity, one end of an adjusting rod in the adjusting rod cavity extends out of the valve body and is connected with an adjusting knob, the adjusting knob can be fixed on the outer wall of the valve body, an upper adjusting rod and a lower adjusting rod are fixedly connected inside the valve rod at the other end of the adjusting rod, the upper adjusting rod and the lower adjusting rod are respectively and rotatably connected with an upper connecting rod and a lower connecting rod below the inside the valve rod through connecting shafts, the upper connecting rod extends to the upper valve core, the lower connecting rod extends to the lower valve core, and the upper connecting rod and the lower connecting rod are connected with the upper valve core and the lower valve core through the second connecting rotating shaft and extend into the inner cavity of the valve rod.

Through adopting above-mentioned technical scheme, set up traditional valve rod into hollow structure, set up the regulation pole that can adjust case height in the valve rod, also can keep certain adjustable flow when making electromagnetic switch close or open the case.

The valve body is fixed in an inner cavity at the top of the valve body through a nut and is connected with a fixed iron core, the bottom of the fixed iron core is connected with a spring, the fixed iron core is connected with a movable iron core right below through the spring, coils are arranged around the fixed iron core and the movable iron core, and the movable iron core is fixedly connected with the top end of the valve rod.

By adopting the technical scheme, the power can be switched on and off for the coil, and the gravity of the movable iron core can control the up-and-down movement of the valve rod connected with the movable iron core.

The utility model is further provided that an inlet is arranged at the inlet cavity of the valve body, an upper outlet is arranged at the upper outlet cavity of the valve body, and a lower outlet is arranged at the lower outlet cavity of the valve body.

Through adopting above-mentioned technical scheme, fluid flows into the inlet chamber through the entry, flows into outlet chamber and lower outlet chamber again from the inlet chamber, again from last export and export outflow down.

The utility model is further provided that a sealing cavity for sealing is arranged below the adjusting rod cavity, and a sealing valve core is connected on the valve rod passing through the sealing cavity.

Through adopting above-mentioned technical scheme, sealed case can make the valve rod can not make fluid flow in the regulating stem chamber because of last case opens when removing the top.

Compared with the prior art, the utility model has the beneficial effects that: the traditional valve rod is set to be of a hollow structure, and the adjusting rod capable of adjusting the height of the valve core is arranged in the valve rod, so that certain adjustable flow can be reserved when the electromagnetic switch closes or opens the valve core.

Drawings

FIG. 1 is an interior view of the present invention.

FIG. 2 is a front inside view of the valve stem and valve cartridge of the present invention.

FIG. 3 is a side elevational view of the valve stem and valve cartridge of the present invention.

Fig. 4 is an enlarged view of a in fig. 3 according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a two-way different-caliber regulating valve comprises a valve body 1 and a valve rod 2, the valve rod is arranged in the center of the valve body 1, the valve rod 2 is of an internal hollow structure, an inlet cavity 8 is arranged in the inner cavity at the bottom end of the valve body, an upper outlet cavity 9 is arranged at the upper end of the inlet cavity 8, a lower outlet cavity 10 is arranged at the lower end of the inlet cavity, an adjusting rod cavity 11 is arranged in the upper end of the valve body 1, an upper valve core 3 capable of moving on the valve rod 2 in a short distance is connected between the inlet cavity 8 and the upper outlet cavity 9 of the valve rod 2, a lower valve core 4 capable of moving on the valve rod 2 in a short distance is connected between the inlet cavity 8 and the lower outlet cavity 10, when the valve rod 2 is completely lifted up, the lower valve core 4 can prevent fluid flow between the inlet cavity 8 and the upper outlet cavity 9, when the valve rod 2 is completely laid down, rubber pads are arranged on the surfaces of the upper valve core 3 and the lower valve core 4, which are in contact with the valve body 1, the upper valve core 3 and the lower valve core 4 can better play a role, one end of an adjusting rod 20 in an adjusting rod cavity 11 extends out of the valve body 1 and is connected with an adjusting knob 19, the adjusting knob 19 can be fixed on the outer wall of the valve body 1, the other end of the adjusting rod 20 extends into the valve rod 2 and is fixedly connected with an upper adjusting rod 22 and a lower adjusting rod 21, the upper adjusting rod 22 and the lower adjusting rod 21 are respectively and rotatably connected with an upper connecting rod 25 and a lower connecting rod 24 below the inner part of the valve rod through a connecting rotating shaft I23, the upper connecting rod 25 extends to the upper valve core 3, the lower connecting rod 24 extends to the lower valve core 4, the upper connecting rod 25 and the lower connecting rod 24 are connected with the upper valve core 3 and the part of the lower valve core 4 extending into the inner cavity of the valve rod 2 through a connecting rotating shaft II 26, the flow switch can be adjusted by rotating the adjusting knob 19 to move the upper connecting rod 25 or the lower connecting rod 24 up and down along the upper valve core 3 or the lower valve core 4, so that the upper outlet and the lower outlet can be respectively adjusted.

Please refer to fig. 1, the valve body 1 is fixed in the top cavity of the valve body 1 by a nut 15 and connected with a fixed iron core 12, the bottom of the fixed iron core 12 is connected with a spring 16, the fixed iron core 12 is connected with a movable iron core 13 right below by the spring 16, a coil 14 is arranged around the fixed iron core 12 and the movable iron core 13, the movable iron core 13 is fixedly connected with the top end of the valve rod 2, and the up-and-down movement of the valve rod 2 connected with the movable iron core 13 can be controlled by switching on and off the coil 14 and the gravity of the movable iron core 13.

Referring to fig. 1, an inlet 5 is disposed in an inlet chamber 8 of the valve body 1, an upper outlet 6 is disposed in an upper outlet chamber 9 of the valve body 1, and a lower outlet 7 is disposed in a lower outlet chamber 10 of the valve body 1, so that fluid flows into the inlet chamber 8 through the inlet 5, flows into the upper outlet chamber 9 and the lower outlet chamber 10 from the inlet chamber 8, and flows out through the upper outlet 6 and the lower outlet 7.

Referring to fig. 1, a sealing chamber 17 for sealing is disposed below the adjusting rod chamber 11, a sealing valve core 18 is connected to the valve rod 2 passing through the sealing chamber 17, and the sealing valve core 18 prevents fluid from flowing into the adjusting rod chamber 11 due to the opening of the upper valve core 3 when the valve rod 2 moves to the uppermost end.

The working principle is as follows: fluid flows into an inlet cavity 8 from an inlet 5, the bottom of a fixed iron core 12 fixed at the top of a valve body 1 through a nut 15 is connected with a spring 16, the fixed iron core 12 is connected with a movable iron core 13 right below through the spring 16, when a coil 14 is powered off, the movable iron core 13 sags by the gravity of the movable iron core 13 and cannot be separated from the fixed iron core 12 by the pulling force of the spring 16, when the coil 14 is powered on, the fixed iron core 12 attracts the movable iron core 13 to move upwards, a valve rod 2 is connected below the movable iron core 13, an adjusting rod cavity 11 is arranged in the middle of the valve body 1, the valve rod 2 is of an internal hollow structure, an upper valve core 3 capable of moving on the valve rod 2 in a short distance is connected between the inlet cavity 8 and an upper outlet cavity 9, a lower valve core 4 capable of moving on the valve rod 2 in a short distance is connected between the inlet cavity 8 and a lower outlet cavity 10, a sealing cavity 17 for sealing is arranged below the adjusting rod cavity 11, and a sealing valve core 18 is connected on the valve rod 2 passing through the sealing cavity 17, when the upper valve core 3 is opened, the sealing valve core 18 is in a closed state, fluid can be ensured not to enter the adjusting rod cavity 11, when the valve rod 2 is completely lifted, the lower valve core 4 can prevent the fluid flow between the inlet cavity 8 and the lower outlet cavity 10, when the valve rod 2 is completely put down, the upper valve core 3 can prevent the fluid flow between the inlet cavity 8 and the upper outlet cavity 9, rubber pads are arranged on the surfaces of the upper valve core 3 and the lower valve core 4, which are in contact with the valve body 1, so that the upper valve core 3 and the lower valve core 4 can better play a role, one end of the adjusting rod 20 in the adjusting rod cavity 11 extends out of the valve body 1 and is connected with an adjusting knob 19, the adjusting knob 19 can be fixed on the outer wall of the valve body 1, the other end of the adjusting rod 20 extends into the valve rod 2 and is fixedly connected with an upper adjusting rod 22 and a lower adjusting rod 21, the upper adjusting rod 22 and the lower adjusting rod 21 are respectively and rotatably connected with an upper connecting rod 25 and a lower connecting rod 24 below the inner part of the valve rod through a connecting shaft 23, the upper connecting rod 25 extends to the upper valve core 3, the lower connecting rod 24 extends to the lower valve core 4, the upper connecting rod 25 and the lower connecting rod 24 are connected with the upper valve core 3 and the part of the lower valve core 4 extending into the inner cavity of the valve rod 2 through the second connecting rotating shaft 26, and the upper connecting rod 25 or the lower connecting rod 24 can lift the upper valve core 3 or the lower valve core 4 to move up and down by rotating the adjusting knob 19, so that the upper outlet and the lower outlet can respectively adjust the flow switch.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a different bore governing valve of double-circuit, includes valve body and valve rod, its characterized in that: a valve rod is arranged in the center of the interior of the valve body, an inlet cavity is arranged in the bottom end inner cavity of the valve body, an upper outlet cavity is arranged at the upper end of the inlet cavity, a lower outlet cavity is arranged at the lower end of the inlet cavity, an adjusting rod cavity is arranged in the upper end of the valve body, an upper valve core capable of moving on the valve rod in a short distance is connected between the inlet cavity and the upper outlet cavity of the valve rod, a lower valve core capable of moving on the valve rod in a short distance is connected between the inlet cavity and the lower outlet cavity, one end of an adjusting rod in the adjusting rod cavity extends out of the valve body and is connected with an adjusting knob which can be fixed on the outer wall of the valve body, an upper adjusting rod and a lower adjusting rod are fixedly connected at the other end of the adjusting rod extending into the interior of the valve rod, the upper adjusting rod and the lower adjusting rod are respectively rotatably connected with an upper connecting rod and a lower connecting rod below the interior of the valve rod through connecting shafts, and the upper connecting rod extends to the upper valve core, the lower connecting rod extends to the lower valve core, and the upper connecting rod and the lower connecting rod are connected with the upper valve core and the part of the lower valve core extending into the inner cavity of the valve rod through a second connecting rotating shaft.

2. The two-way different-caliber adjusting valve according to claim 1, characterized in that: the valve body is fixed in the inner cavity of the top of the valve body through a nut and connected with a fixed iron core, the bottom of the fixed iron core is connected with a spring, the fixed iron core is connected with a movable iron core right below the fixed iron core through the spring, coils are arranged on the periphery of the fixed iron core and the movable iron core, and the movable iron core is fixedly connected with the top end of the valve rod.

3. The two-way different-caliber adjusting valve according to claim 1, characterized in that: the inlet cavity of the valve body is provided with an inlet, the upper outlet cavity of the valve body is provided with an upper outlet, and the lower outlet cavity of the valve body is provided with a lower outlet.

4. The two-way different-caliber adjusting valve according to claim 1, characterized in that: and a sealing cavity for sealing is arranged below the adjusting rod cavity, and a sealing valve core is connected to the valve rod passing through the sealing cavity.