CN217874242U

CN217874242U - Adjusting valve cage type single-seat structure

Info

Publication number: CN217874242U
Application number: CN202221818390.XU
Authority: CN
Inventors: 余长波; 叶飞荣; 乐伟
Original assignee: Shanghai Gold Flow Maoye Fluid Technology Co ltd
Current assignee: Shanghai Gold Flow Maoye Fluid Technology Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-11-22
Anticipated expiration: 2032-07-14

Abstract

The utility model discloses a governing valve cage list seat structure belongs to governing valve technical field, include: the valve comprises a valve body, wherein a valve seat is arranged in the valve body, a guide ring arranged on the valve seat in a pressing mode is embedded in the top of the valve body, a valve cover is arranged on the top end of the valve body in a covering mode, a sealing cylinder is arranged on the top of the valve cover, a valve rod vertically and jointly penetrates through the valve cover and the sealing cylinder, a valve core is arranged at the bottom end of the valve rod, and the valve core penetrates through the guide ring and is in nested fit with the valve seat; be provided with the circle seat on the outer disc of valve gap, be provided with the protection piece on the circle seat, the protection piece includes two montants of vertical wear to establish on the circle seat, two the montant is with valve rod axial symmetry, two the montant is close to the fixed cover of position department at top and is equipped with the mounting panel, two the montant top is provided with the overhead guard jointly. This governing valve cage list seat structure has top safeguard function, can form effective protection to electronic executive structure.

Description

Adjusting valve cage type single-seat structure

Technical Field

The utility model belongs to the technical field of the governing valve, especially, relate to a governing valve cage formula single seat structure.

Background

Cage type single-seat regulating valve adopts top guide structure, and the demand of adapted straight stroke electric actuator in order to satisfy different conditions is applicable to the occasion that high pressure differential easily produced the flash evaporation cavitation, and valve body compact structure, fluid passage are the S type, and it is little to have the pressure drop loss, and the flow is big, and adjustable range is wide. The valve core part has large guide area and strong vibration resistance, is suitable for occasions where high pressure difference is easy to generate flash evaporation, is a high-performance regulating valve, and the firm sleeve protects the valve body from being damaged by flash evaporation and cavitation.

However, current governing valve cage list seat structure, at the top that is used for the general direct mount of electric actuator that control valve body opened and close at the valve gap, be connected with the valve rod, because this structure does not set up safeguard function mostly, when the governing valve when the operation under complicated operating mode (like in the pit), install the electric actuator at the valve gap top and receive foreign object striking damage easily to lose the control to the governing valve, cause a great deal of inconvenience, for this reason, we propose a governing valve cage list seat structure and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving prior art, current governing valve cage list seat structure does not set up safeguard function mostly, when the governing valve during operation under the operating mode (like in the pit) of complicacy, installs the electric actuator at the valve gap top and receives foreign object striking damage easily to lose the problem of the control to the governing valve, and the governing valve cage list seat structure who provides.

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

a regulator valve cage single seat structure comprising:

the valve comprises a valve body, wherein a valve seat is arranged in the valve body, a guide ring arranged on the valve seat in a pressing mode is embedded in the top of the valve body, a valve cover is arranged on the top end of the valve body in a covering mode, a sealing cylinder is arranged on the top of the valve cover, a valve rod vertically and jointly penetrates through the valve cover and the sealing cylinder, a valve core is arranged at the bottom end of the valve rod, and the valve core penetrates through the guide ring and is in nested fit with the valve seat;

be provided with the circle seat on the outer disc of valve gap, be provided with the protection piece on the circle seat, the protection piece includes two montants of vertical wear to establish on the circle seat, two the montant is with valve rod axial symmetry, two the montant is close to the fixed cover of position department at top and is equipped with the mounting panel, two the montant top is provided with the overhead guard jointly.

Through above-mentioned technical scheme, through set up the circle seat on the valve gap to through the mounting panel of a pair of montant top cover on the circle seat, the installation that can be convenient for electric actuator structure is fixed, utilizes the overhead guard that a pair of montant top set up jointly simultaneously, makes this structure have top safeguard function, when the governing valve was under complicated operating mode (like in the pit) operation, can form effective protection at the electric actuator who installs at the valve gap top.

Preferably, a connecting stud penetrates through the valve cover, and the connecting stud is inserted into the valve body in a threaded manner.

Through the technical scheme, the valve cover is used for connecting and fixing the valve cover and the valve body to realize the sealing of the valve cover on the top of the valve body,

preferably, the sealing cylinder is filled with filler around the valve rod, the top end of the sealing cylinder is provided with a gland, and the gland is connected with the sealing cylinder through a bolt.

Through the technical scheme, in the opening and closing process of the regulating valve, the filler can seal the valve rod and the sealing cylinder.

Preferably, the ring seat is run through in the montant activity, the position department that the montant is close to the bottom is provided with the thread groove, thread groove department cover is equipped with a pair of hex nut, and is a pair of hex nut is located the top and the below of ring seat respectively.

Through above-mentioned technical scheme, utilize a pair of hexagonal nut and thread groove screw-thread fit, and a pair of hexagonal nut sets up in the top and the below of circle seat, can realize the location to the montant, through adjusting the position of a pair of hexagonal nut on the montant, the height of adjustable mounting panel, the dismouting of the structure of being convenient for simultaneously has made things convenient for the installation of this governing valve and has used.

Preferably, the mounting plate is located above the valve rod, and the upper surface of the top cover is an arc surface.

Through above-mentioned technical scheme, can improve the protective effect to this structure.

Preferably, the top end of the vertical rod is sleeved with a sleeve, the top end of the sleeve is provided with a flange piece, and the flange piece is connected with the top cover through a bolt.

Through the technical scheme, the top cover is convenient to disassemble and assemble.

Preferably, the sleeve is internally and movably provided with a push plate, a spring is vertically arranged between the push plate and the top cover, and the top end of the vertical rod extends into the sleeve and is connected with the push plate.

Through above-mentioned technical scheme, through the spring, make the overhead guard elastic support at the montant top, and then make the overhead guard have the elastic buffer function, improve the protective effect to this governing valve top.

To sum up, the utility model discloses a technological effect and advantage: this governing valve cage list seat structure wears to establish two montants through the circle seat to set up the mounting panel at two montant tops, can supply the electric actuator installation of regulating valve fixed, and because the montant is fixed on the circle seat through the screw-thread fit of a pair of hexagon nut and thread groove, both the accessible is adjusted a pair of hexagon nut position on the montant, adjusts the height of mounting panel, the dismouting of this structure of being convenient for again, has made things convenient for the installation of this governing valve to use.

Through the common overhead guard that sets up in two montant tops, can form effective protection to this governing valve top, because set up the spring between montant top and the overhead guard, and then make the overhead guard have elastic buffer capacity, can effectively cushion protection to the electric actuator who installs on the mounting panel.

The valve rod and the sealing cylinder can be sealed by the filler and the guide ring, and the valve core can be guided by the guide ring in a sleeving manner, so that the valve core and the valve seat are matched to control the opening and closing of the regulating valve.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a sectional view of the valve body of the present invention;

fig. 4 is a cross-sectional view of the valve cover of the present invention;

fig. 5 is a cross-sectional view of the sleeve of the present invention.

In the figure: 1. a valve body; 2. a valve cover; 3. a ring seat; 4. a guard; 5. a sealing cylinder; 6. a valve stem; 7. a gland; 8. a vertical rod; 9. mounting a plate; 10. a top cover; 11. a guide ring; 12. a valve seat; 13. a filler; 14. connecting a stud; 15. a valve core; 16. a thread groove; 17. a hexagonal nut; 18. a sleeve; 19. a flange sheet; 20. pushing the plate; 21. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1, 2, 3 and 4, a regulator valve cage type single seat structure includes: the valve body 1, valve base 12 is provided with in the valve body 1, and the embedding of valve body 1 top has the guide ring 11 of establishing on valve base 12 with pressure, and guide ring 11 is used for spacing to valve base 12, and sealed the nestification between guide ring 11 and the valve body 1. The top end cover of the valve body 1 is provided with the valve cover 2, the connecting stud 14 penetrates through the valve cover 2, the connecting stud 14 is inserted into the valve body 1 in a threaded mode, the sealing cover of the valve cover 2 to the top of the valve body 1 is achieved, the bottom of the valve cover 2 is provided with a protrusion, the guide ring 11 is pressed, and the sealing effect is guaranteed. 2 tops of valve gap are provided with a sealed section of thick bamboo 5, valve rod 6 is worn to be equipped with jointly vertically on valve gap 2 and a sealed section of

thick bamboo

5, 6 bottoms of valve rod are provided with case 15, case 15 passes guide ring 11 and cooperates with the nestification of disk seat 12, after 5 tops of a sealed section of thick bamboo installation electric actuator, the power take off end that starts the execution structure is connected with valve rod 6, through 6 lifts of control valve rod, drive case 15 and go up and down, the control of opening and close and the flow of this governing valve can be realized to cooperation disk seat 12.

Referring to fig. 2, 3 and 4, the packing 13 is filled around the valve rod 6 in the sealing cylinder 5, the gland 7 is arranged at the top end of the sealing cylinder 5, and the gland 7 is connected with the sealing cylinder 5 through bolts. In the opening and closing process of the regulating valve, the filler 13 can seal the position between the valve rod 6 and the sealing cylinder 5, and the guide ring 11 can perform snare guide on the valve core 15, so that the valve core 15 is ensured to be matched with the valve seat 12 to control the opening and closing of the regulating valve.

Referring to fig. 1, fig. 4, be provided with circle seat 3 on the outer disc of valve gap 2, be provided with protection piece 4 on the circle seat 3, protection piece 4 includes two montants 8 of vertical wear-out setting on circle seat 3, two montants 8 are with 6 axisymmetrics of valve rod, two montants 8 are close to the fixed cover of position department at top and are equipped with mounting panel 9, mounting panel 9 is used for the installation of electronic executive structure, montant 8 activity runs through circle seat 3, montant 8 is close to the position department of bottom and is provided with thread groove 16, thread groove 16 department cover is equipped with a pair of hex nut 17, a pair of hex nut 17 is located the top and the below of circle seat 3 respectively, utilize a pair of

hex nut

17 and 16 screw-thread fit of thread groove, and a pair of hex nut 17 sets up the top and the below at circle seat 3, can realize the location to montant 8, through adjusting the position of a pair of hex nut 17 on montant 8, the height of adjustable mounting panel 9, the dismouting of this structure of being convenient for simultaneously, the installation and use of this governing valve is made things convenient for.

Referring to fig. 1, 4 and 5, the top ends of the two vertical rods 8 are provided with a top cover 10 together for protecting the top of the regulating valve, the mounting plate 9 is positioned above the valve rod 6, and the upper surface of the top cover 10 is an arc surface. The sleeve 18 is sleeved at the top end of the vertical rod 8, the flange piece 19 is arranged at the top end of the sleeve 18, and the flange piece 19 is connected with the top cover 10 through bolts so as to facilitate the disassembly and assembly of the top cover 10. The inside activity of sleeve 18 is provided with push pedal 20, and the vertical spring 21 that is provided with between push pedal 20 and the

overhead guard

10, 8 tops of montant stretch into in the sleeve 18 and are connected with push pedal 20, through spring 21, make overhead guard 10 elastic support on 8 tops of montant, and then make overhead guard 10 have the elastic buffer function, improve the protective effect to this governing valve top.

The working principle is as follows: during the use, install electric actuator on mounting panel 9 to the power take off end that will start the execution structure is connected with valve rod 6, goes up and down through control valve rod 6, drives case 15 and goes up and down, and cooperation disk seat 12 can realize opening and close and the control of flow of this governing valve, and at this governing valve in-process of opening and close, packing 13 can be sealed between valve rod 6 and the sealing cylinder 5, and guide ring 11 can carry out the snare direction to case 15, ensures that case 15 can control opening and close of this governing valve with the cooperation of disk seat 12.

Utilize the cover to establish a pair of hexagon nut 17 of 16 departments of thread groove on montant 8 with the centre gripping of circle seat 3, can fix montant 8 on circle seat 3, two common overhead hoods 10 that set up in montant 8 top afterwards can form effective protection to this governing valve top, because set up spring 21 between montant 8 top and the overhead hood 10, and then make overhead hood 10 have elastic buffer ability, can effectively cushion protection to the electric actuator who installs on mounting panel 9.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A regulator valve cage single seat structure comprising: the valve body (1) is characterized in that a valve seat (12) is arranged inside the valve body (1), a guide ring (11) arranged on the valve seat (12) in a pressing mode is embedded in the top of the valve body (1), a valve cover (2) is arranged at the top end of the valve body (1), a sealing cylinder (5) is arranged at the top of the valve cover (2), a valve rod (6) vertically penetrates through the valve cover (2) and the sealing cylinder (5) together, a valve core (15) is arranged at the bottom end of the valve rod (6), and the valve core (15) penetrates through the guide ring (11) and is in nested fit with the valve seat (12);

be provided with circle seat (3) on the disc outside valve gap (2), be provided with protection piece (4) on circle seat (3), protection piece (4) are including vertical two montants (8) of wearing to establish on circle seat (3), two montant (8) are with valve rod (6) axial symmetry, two montant (8) are close to the fixed cover in position department at top and are equipped with mounting panel (9), two montant (8) top is provided with overhead guard (10) jointly.

2. A conditioning valve cage single seat structure as claimed in claim 1, wherein: the valve cover (2) is provided with a connecting stud (14) in a penetrating mode, and the connecting stud (14) is inserted into the valve body (1) in a threaded mode.

3. A regulator valve cage single seat structure as claimed in claim 1, wherein: the sealing device is characterized in that the sealing cylinder (5) is filled with a filler (13) around the valve rod (6), a gland (7) is arranged at the top end of the sealing cylinder (5), and the gland (7) is connected with the sealing cylinder (5) through bolts.

4. A regulator valve cage single seat structure as claimed in claim 1, wherein: the ring seat (3) is run through in montant (8) activity, montant (8) are close to the position department of bottom and are provided with thread groove (16), thread groove (16) department cover is equipped with a pair of hex nut (17), and is a pair of hex nut (17) are located the top and the below of ring seat (3) respectively.

5. A conditioning valve cage single seat structure as claimed in claim 1, wherein: the mounting plate (9) is located above the valve rod (6), and the upper surface of the top cover (10) is an arc surface.

6. A conditioning valve cage single seat structure as claimed in claim 1, wherein: the top end of the vertical rod (8) is sleeved with a sleeve (18), a flange piece (19) is arranged at the top end of the sleeve (18), and the flange piece (19) is connected with the top cover (10) through bolts.

7. A conditioning valve cage single seat structure as claimed in claim 6, wherein: the inner part of the sleeve (18) is movably provided with a push plate (20), a spring (21) is vertically arranged between the push plate (20) and the top cover (10), and the top end of the vertical rod (8) extends into the sleeve (18) and is connected with the push plate (20).