CN214946396U - Intelligent control regulating valve capable of preventing magnetic interference - Google Patents

Abstract

The utility model provides an intelligent control governing valve of antimagnetic interference, including the actuating mechanism of governing valve and upper end installation, the governing valve includes valve body, valve gap, valve rod, guide holder, gland packing and disk seat, and the inside regulation hole that is equipped with of valve body, valve body lateral wall are equipped with the mounting hole, and the peripheral contact of disk seat is connected to in the regulation hole, the one end fixed connection of valve rod to the upper end of disk seat, the other end of valve rod passes fixed connection to actuating mechanism's one end behind the mounting hole, valve rod periphery by lower supreme cup jointing guide holder, gland packing and valve gap in proper order, valve gap lower extreme fixed connection to valve body outer wall, support fixed connection to actuating mechanism's lower extreme is passed through to the valve gap upper end. Antimagnetic interference's intelligent control governing valve, actuating mechanism signal connection is to the controller, the controller passes through control signal control actuating mechanism motion to drive the valve rod and reciprocate, realize governing valve switching and aperture, need not artifical manually operation.

Description

Intelligent control regulating valve capable of preventing magnetic interference

Technical Field

The utility model belongs to the governing valve field especially relates to an intelligent control governing valve of antimagnetic interference.

Background

The regulating valve is also called a control valve, and in the field of industrial automation process control, the final control element for changing the process parameters of medium flow, pressure, temperature, liquid level and the like by power operation through receiving the control signal output by a regulating control unit. Generally consisting of an actuator and a valve. If according to the stroke characteristic, the regulating valve can be divided into a straight stroke and an angular stroke; the pneumatic regulating valve, the electric regulating valve and the hydraulic regulating valve can be divided into three types according to the power used by the matched executing mechanism; the magnetic field control system is divided into three types, namely a linear characteristic, an equal percentage characteristic and a parabolic characteristic according to functions and characteristics, and when the magnetic field control system is used under a working condition environment with a strong magnetic field at present, the situation that the actuator is not operated in place and control failure occurs frequently due to magnetic field interference occurs.

Disclosure of Invention

In view of this, the utility model aims at providing an intelligent control governing valve of antimagnetic interference to the solution is under the stronger environment in operating mode magnetic field, and the electric actuator operation is not in place, and the problem that life reduces.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides an intelligent control governing valve of antimagnetic interference, includes the actuating mechanism of governing valve and upper end installation, and the governing valve includes valve body, valve gap, valve rod, guide holder, gland box and disk seat, and the one end fixed connection of valve body is to the inlet tube, and the other end fixed connection of valve body is to the outlet pipe, and the inside regulation hole that is equipped with of valve body, inlet tube pass through the regulation hole is linked together with the outlet pipe, and the valve body lateral wall is equipped with the mounting hole, and the peripheral contact of disk seat is connected to in the regulation hole, the one end fixed connection of valve rod to the upper end of disk seat, the other end of valve rod pass fixed connection to actuating mechanism's one end behind the mounting hole, the valve rod periphery from lower supreme guide holder, gland box and valve gap of cup jointing in proper order, and the gland box is located in the mounting hole, valve gap lower extreme fixed connection to valve body outer wall, the valve gap upper end passes through support fixed connection to actuating mechanism's lower extreme.

Further, the stuffing box of telling is including pressing the cover, the backing ring, seal assembly and cover shell, the valve rod cup joints seal assembly backing ring and pressure cover in proper order by supreme down, and the backing ring is through pressing inside cover shell fixed mounting to the cover shell, the upper end of backing ring lower extreme contact connection self-sealingsubassembly, seal assembly is located inside the cover shell, the cover shell is located inside the mounting hole, and the peripheral fixed connection of cover shell to the valve body lateral wall, seal assembly includes a plurality of filler of mutual parallel arrangement, every is packed and all cup joints to the valve rod peripherally, it is connected to the cover shell inner wall to pack peripheral contact.

Furthermore, the cross section of the guide seat is of a T-shaped structure, a guide hole is formed in the middle of the guide seat, the periphery of the valve rod is located in the guide hole, and the periphery of the upper end of the guide seat is clamped in the mounting hole.

Further, the valve seat comprises a valve core, a seat body and a rubber ring, one end of the valve core is fixedly installed at one end of the valve rod, the other end of the valve core is installed on the seat body, and the periphery of the seat body is connected into the adjusting hole through the rubber ring in a contact mode.

Furthermore, the actuating mechanism of telling includes the electric actuator of antimagnetic shell and its inside installation, and antimagnetic shell lower extreme fixed connection is to the upper end of support, and the one end of valve rod passes antimagnetic shell fixed connection to electric actuator's lower extreme, and the antimagnetic shell includes that casing and inner wall are the metal wire of netted distribution.

Compared with the prior art, anti-magnetic interference's intelligent control governing valve have following beneficial effect:

(1) antimagnetic interference's intelligent control governing valve, actuating mechanism signal connection is to the controller, the controller passes through control signal control actuating mechanism motion to drive the valve rod and reciprocate, realize governing valve switching and aperture, need not artifical manually operation.

(2) Anti-magnetic interference's intelligent control governing valve, under the stronger environment in operating mode magnetic field, the external magnetic field of antimagnetic shell shielding prevents magnetic field interference electric actuator's operation, ensures executor regulation precision, guarantee equipment normal operating, improves electric actuator's life simultaneously.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural diagram of an intelligent control regulating valve for preventing magnetic interference according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of a regulating valve according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a regulating valve according to an embodiment of the present invention;

fig. 4 is an exploded view of a stuffing box according to an embodiment of the present invention;

fig. 5 is an exploded schematic view of a valve seat according to an embodiment of the present invention.

Description of reference numerals:

1-regulating valve; 11-a valve body; 12-valve cover; 13-a valve stem; 14-a guide seat; 15-stuffing box; 151-pressing sleeve; 152-a backing ring; 153-a filler; 154-a housing; 16-a valve seat; 161-a valve core; 162-seat body; 163-rubber ring; 2-an actuator; and 3, supporting.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1-5, the intelligent control regulating valve for preventing magnetic interference comprises a regulating valve 1 and an actuating mechanism 2 installed at the upper end of the regulating valve, the actuating mechanism 2 is in signal connection with a controller, the regulating valve 1 comprises a valve body 11, a valve cover 12, a valve rod 13, a guide seat 14, a stuffing box 15 and a valve seat 16, one end of the valve body 11 is fixedly connected to a water inlet pipe, the other end of the valve body 11 is fixedly connected to a water outlet pipe, a regulating hole is formed inside the valve body 11, the water inlet pipe is communicated with the water outlet pipe through the regulating hole, a mounting hole is formed in the side wall of the valve body 11, the periphery of the valve seat 16 is in contact connection with the regulating hole, one end of the valve rod 13 is fixedly connected to the upper end of the valve seat 16, the other end of the valve rod 13 passes through the mounting hole and then is fixedly connected to one end of the actuating mechanism 2, the controller controls the actuating mechanism 2 to move through a control signal, so as to drive the valve rod 13 to move up and down, and open and close the regulating valve 1, the periphery of the valve rod 13 is sequentially sleeved with the guide seat 14, the packing box 15 and the valve cover 12 from bottom to top, the packing box 15 is located in the mounting hole, the packing box 15 is used for ensuring the sealing of the part, the lower end of the valve cover 12 is fixedly connected to the outer wall of the valve body 11, the upper end of the valve cover 12 is fixedly connected to the lower end of the actuating mechanism 2 through the support 3, and the fixing of the relative position of the valve 11 and the actuating mechanism 2 is achieved.

Actuating mechanism 2 includes the electric actuator of antimagnetic shell and its internally mounted, and electric actuator's model is F-YQW120, and electric actuator signal connection is to the controller, and antimagnetic shell lower extreme fixed connection is to the upper end of support 3, and the lower extreme of antimagnetic shell fixed connection to electric actuator is passed to the one end of valve rod 13, and the antimagnetic shell includes that casing and inner wall are the copper line of netted distribution, the material of casing is the metal material, and under the stronger environment in operating mode magnetic field, the antimagnetic shell shields external magnetic field, prevents magnetic field interference electric actuator's operation, ensures the executor and adjusts the precision, and the normal operating of support equipment improves electric actuator's life simultaneously.

Stuffing box 15 includes pressing sleeve 151, backing ring 152, seal assembly and cover 154, valve rod 13 cup joints seal assembly from bottom to top in proper order, backing ring 152 and pressing sleeve 151, and backing ring 152 passes through pressing sleeve 151 fixed mounting to the cover 154 inside, the upper end of backing ring 152 lower extreme contact connection self-sealing assembly, seal assembly is located the cover 154 inside, cover 154 is located inside the mounting hole, and the peripheral fixed connection to valve body 11 lateral wall of cover 154, seal assembly includes a plurality of packing 153 of mutual parallel arrangement, every packing 153 all cup joints to valve rod 13 peripherally, the peripheral contact of packing 153 is connected to cover 154 inner wall, pressing sleeve 151 is used for compressing tightly backing ring 152 and a plurality of packing 153, ensure this part sealed.

The cross section of guide holder 14 is T shape structure, and the middle part of guide holder 14 is equipped with the guiding hole, and the periphery of valve rod 13 is located in the guiding hole, the peripheral joint in upper end of guide holder 14 is in the mounting hole, guide holder 14 is used for the inside direction of valve rod 13 at valve body 11, ensures the orbit of valve seat 16, makes its work target in place, improves the life of valve seat 16 simultaneously.

The valve seat 16 comprises a valve core 161, a seat body 162 and a rubber ring 163, one end of the valve core 161 is fixedly installed at one end of the valve rod 13, the seat body 162 is installed at the other end of the valve core 161, the periphery of the seat body 162 is in contact connection with the adjusting hole through the rubber ring 163, and the valve core 161, the seat body 162 and the rubber ring 163 are in split type design and can be disassembled and replaced, so that the maintenance cost is reduced.

The use process of the intelligent control regulating valve for preventing magnetic interference comprises the following steps:

electric actuator signal connection to controller, the controller passes through signal control electric actuator motion, thereby electric actuator drives valve rod 13 upper and lower displacement and realizes the gap between disk seat 16 and the regulation hole, realize the control of regulating valve opening, under the stronger environment in operating mode magnetic field, the copper line of casing and netted distribution is used for shielding external magnetic field, prevent magnetic field interference electric actuator's operation, ensure the executor and adjust the precision, guarantee equipment normal operating, improve electric actuator's life simultaneously.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. Anti-magnetic interference's intelligent control governing valve, its characterized in that: the device comprises a regulating valve (1) and an actuating mechanism (2) installed at the upper end of the regulating valve (1), wherein the regulating valve (1) comprises a valve body (11), a valve cover (12), a valve rod (13), a guide seat (14), a packing box (15) and a valve seat (16), one end of the valve body (11) is fixedly connected to a water inlet pipe, the other end of the valve body (11) is fixedly connected to a water outlet pipe, a regulating hole is formed in the valve body (11), the water inlet pipe is communicated with the water outlet pipe through the regulating hole, a mounting hole is formed in the side wall of the valve body (11), the periphery of the valve seat (16) is connected into the regulating hole in a contact manner, one end of the valve rod (13) is fixedly connected to the upper end of the valve seat (16), the other end of the valve rod (13) penetrates through the mounting hole and is fixedly connected to one end of the actuating mechanism (2), the guide seat (14), the packing box (15) and the valve cover (12) are sequentially sleeved on the periphery of the valve rod (13) from bottom to top, and the stuffing box (15) is positioned in the mounting hole, the lower end of the valve cover (12) is fixedly connected to the outer wall of the valve body (11), and the upper end of the valve cover (12) is fixedly connected to the lower end of the actuating mechanism (2) through the support (3).

2. The intelligent control governing valve of antimagnetic interference of claim 1, characterized in that: stuffing box (15) is including pressing cover (151), backing ring (152), seal assembly and cover (154), valve rod (13) is by supreme cup jointing seal assembly in proper order down, backing ring (152) and pressure cover (151), and backing ring (152) are inside through pressing cover (151) fixed mounting to cover (154), the upper end of self-seal assembly is connected in backing ring (152) lower extreme contact, seal assembly is located inside cover (154), cover (154) are located inside the mounting hole, and cover (154) peripheral fixed connection to valve body (11) lateral wall, seal assembly includes a plurality of filler (153) of mutual parallel arrangement, every filler (153) all cup joints to valve rod (13) periphery, filler (153) peripheral contact is connected to cover (154) inner wall.

3. The intelligent control governing valve of antimagnetic interference of claim 1, characterized in that: the cross section of the guide seat (14) is of a T-shaped structure, a guide hole is formed in the middle of the guide seat (14), the periphery of the valve rod (13) is located in the guide hole, and the periphery of the upper end of the guide seat (14) is clamped in the mounting hole.

4. The intelligent control governing valve of antimagnetic interference of claim 1, characterized in that: the valve seat (16) comprises a valve core (161), a seat body (162) and a rubber ring (163), one end of the valve core (161) is fixedly installed at one end of the valve rod (13), the other end of the valve core (161) is installed on the seat body (162), and the periphery of the seat body (162) is connected into the adjusting hole through the rubber ring (163) in a contact mode.

5. The intelligent control governing valve of antimagnetic interference of claim 1, characterized in that: actuating mechanism (2) is including the electric actuator of antimagnetic shell and its inside installation, and antimagnetic shell lower extreme fixed connection to the upper end of support (3), and the lower extreme of antimagnetic shell fixed connection to electric actuator is passed to the one end of valve rod (13), and antimagnetic shell includes that casing and inner wall are the metal wire of netted distribution.

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