CN212338189U - Electric single-valve-seat regulating valve - Google Patents
Electric single-valve-seat regulating valve Download PDFInfo
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- CN212338189U CN212338189U CN202020602400.0U CN202020602400U CN212338189U CN 212338189 U CN212338189 U CN 212338189U CN 202020602400 U CN202020602400 U CN 202020602400U CN 212338189 U CN212338189 U CN 212338189U
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- valve
- seat
- valve body
- valve rod
- rod
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Abstract
The utility model provides an electronic single valve seat governing valve relates to the governing valve field, including valve body and disk seat and the case of setting in the valve body, the top of case is connected with the valve rod, and the top of valve body is connected with the valve gap through nut and stud, and the support is installed through the hexagonal screw in the top of valve gap. The utility model discloses in, electronic single seat governing valve is a top direction single valve seat governing valve, has characteristics such as simple structure, sealing performance are good, the flow is big, use reliably. The effective and sufficient top guide system overcomes the vibration during the small opening degree, and the effective service life is longer.
Description
Technical Field
The utility model relates to a governing valve field especially relates to an electronic single valve seat governing valve.
Background
The valve body of the single-seat regulating valve is internally provided with a valve core and a valve seat, and has the characteristic of small leakage. The valve has a large unbalanced force, which allows a smaller differential pressure than a double seat valve, and is preferably equipped with a valve positioner at high differential pressure and large bore diameters. The valve with the nominal diameter of more than or equal to 25mm is of a double-guide structure, and air opening or air closing can be realized only by changing the connecting position of the valve rod and the valve core.
But the existing single-seat regulating valve has poor sealing effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electronic single disk seat governing valve to solve above-mentioned technical problem.
The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize: the utility model provides an electronic single valve seat governing valve, includes the valve body and sets up disk seat and case in the valve body, the top of case is connected with the valve rod, the top of valve body is connected with the valve gap through nut and stud, the support is installed through the hexagonal screw in the top of valve gap, electric actuator is installed at the top of support, electric actuator's output is connected with the top of valve rod, the inner wall fixed mounting of support has the stroke to instruct, the top of valve rod is provided with split nut, the pointer setting on the stroke instruction is on split nut.
Preferably, be provided with the gasket between valve body and the disk seat, through setting up the gasket, can guarantee that the leakproofness is better between valve body and the disk seat.
Preferably, the bottom end of the valve rod penetrates through the valve cover and the valve body to be connected with the valve core.
Preferably, a packing is arranged between the valve rod and the valve cover, and the packing is arranged, so that the sealing performance between the valve rod and the valve cover is good.
Preferably, be provided with gland through the gland cover on the packing, and gland installs at the valve gap top, gland's top is provided with adjusting nut, through setting up gland, can guarantee the stability of packing to make the leakproofness effect of packing best, and through setting up adjusting nut, can adjust the position of packing, be convenient for adjust the leakproofness.
Preferably, the bottom of valve rod is provided with the spacer, and spacer and valve rod phase-match, through setting up the spacer, is convenient for carry on spacingly to the valve rod, and the valve rod of being convenient for prevents the skew at the removal in-process.
The utility model has the advantages that:
the utility model discloses in, electronic single seat governing valve is a top direction single valve seat governing valve, has characteristics such as simple structure, sealing performance are good, the flow is big, use reliably. The effective and sufficient top guide system overcomes the vibration during the small opening degree, and the effective service life is longer.
Drawings
Fig. 1 is a schematic structural view of an electric single-seat regulating valve of the present invention;
reference numerals: 1-a valve body; 2-a gasket; 3-valve seat; 4-a valve core; 5-a positioning sheet; 6-valve stem; 7-valve cover; 8-a filler; 9-packing and pressing; 10-a packing gland; 11-split nuts; 12-a scaffold; 13-an electric actuator; 14-a nut; 15-stud bolts; 16-hexagonal screw; 17-an adjusting nut; 18-stroke indication.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.
Specific embodiments of the present invention will be described below with reference to the accompanying drawings.
Example 1
As shown in figure 1, the electric single-valve-seat regulating valve comprises a valve body 1, a valve seat 3 and a valve core 4 which are arranged in the valve body 1, wherein the top end of the valve core 4 is connected with a valve rod 6, the top of the valve body 1 is connected with a valve cover 7 through a nut 14 and a stud 15, the top of the valve cover 7 is provided with a support 12 through a hexagonal screw 16, the top of the support 12 is provided with an electric actuator 13, the output end of the electric actuator 13 is connected with the top end of the valve rod 6, the inner wall of the support 12 is fixedly provided with a stroke indicator 18, the top end of the valve rod 6 is provided with a split nut 11, a pointer on the stroke indicator 18 is arranged on the split nut 11, a gasket 2 is arranged between the valve body 1 and the valve seat 3, the bottom end of the valve rod 6 penetrates through the valve cover 7 and the valve body 1 to, and gland 10 installs at valve gap 7 top, and gland 10's top is provided with adjusting nut 17, and the bottom of valve rod 6 is provided with spacer 5, and spacer 5 and valve rod 6 phase-match.
The electric single-seat regulating valve is a top-guide single-seat regulating valve and has the characteristics of simple structure, good sealing performance, large flow, reliable use and the like. Effective and vibrations when sufficient top guidance system overcomes little aperture, effective life is longer, through setting up gasket 2 and packing 8, make the leakproofness between valve rod 6 and the valve gap 7 good, through setting up gland 10, can guarantee the stability of packing 8, thereby make the leakproofness effect of packing 8 best, and through setting up adjusting nut 17, can adjust the position of packing 8, be convenient for adjust the leakproofness, through setting up spacer 5, be convenient for carry on spacingly to valve rod 6, the valve rod 6 of being convenient for is at the removal in-process, prevent the skew.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. The utility model provides an electronic single valve seat governing valve, includes valve body (1) and sets up disk seat (3) and case (4) in valve body (1), its characterized in that: the top end of the valve core (4) is connected with a valve rod (6), the top of the valve body (1) is connected with a valve cover (7) through a nut (14) and a stud bolt (15), the top of the valve cover (7) is provided with a support (12) through a hexagonal screw (16), the top of the support (12) is provided with an electric actuator (13), the output end of the electric actuator (13) is connected with the top end of the valve rod (6), the inner wall of the support (12) is fixedly provided with a stroke indicator (18), the top end of the valve rod (6) is provided with a split nut (11), and a pointer on the stroke indicator (18) is arranged on the split nut (11);
a gasket (2) is arranged between the valve body (1) and the valve seat (3);
the bottom end of the valve rod (6) penetrates through the valve cover (7) and the valve body (1) to be connected with the valve core (4);
a filler (8) is arranged between the valve rod (6) and the valve cover (7);
a packing gland (10) is arranged on the packing (8) through a packing pressing sleeve (9), the packing gland (10) is installed at the top of the valve cover (7), and an adjusting nut (17) is arranged at the top of the packing gland (10);
the bottom of valve rod (6) is provided with spacer (5), and spacer (5) and valve rod (6) phase-match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020602400.0U CN212338189U (en) | 2020-04-21 | 2020-04-21 | Electric single-valve-seat regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020602400.0U CN212338189U (en) | 2020-04-21 | 2020-04-21 | Electric single-valve-seat regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212338189U true CN212338189U (en) | 2021-01-12 |
Family
ID=74072662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020602400.0U Active CN212338189U (en) | 2020-04-21 | 2020-04-21 | Electric single-valve-seat regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212338189U (en) |
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2020
- 2020-04-21 CN CN202020602400.0U patent/CN212338189U/en active Active
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