CN217874237U

CN217874237U - Electric regulating valve

Info

Publication number: CN217874237U
Application number: CN202221121582.5U
Authority: CN
Inventors: 阮建松
Original assignee: Shanghai Bangsong Automatic Control Valve Co ltd
Current assignee: Shanghai Bangsong Automatic Control Valve Co ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-11-22
Anticipated expiration: 2032-05-11

Abstract

The utility model discloses an electric control valve belongs to electric control valve technical field, has solved current electric control valve and has had the problem of fragile and uncontrollable liquid flow, and its technical essential is: the valve comprises a valve body, the junction of valve body and disk seat is provided with case control mechanism, be provided with the filter screen in the valve body, buffering protection mechanism and drainage mechanism, drainage mechanism and case control mechanism all are connected with actuating mechanism, case control mechanism realizes that the valve rod drives the inside of case linear lift adjustment in the catheter under actuating mechanism's effect, the realization is to opening and close and the discharge amount of control liquid in the valve body, buffering protection mechanism realizes the elastic buffer to letting in liquid, the realization is to the inside protection of valve body, drainage mechanism realizes that helical blade carries out the drainage and discharges through of accelerating liquid in the valve body, the realization is to the good control of liquid, have the advantage that can protect and steerable liquid flow to the regulating valve inside.

Description

Electric regulating valve

Technical Field

The utility model relates to an electrical control valve field specifically is to relate to electrical control valve.

Background

The electric regulating valve is an important execution unit instrument in industrial automation process control, is increasingly applied to various industrial production fields along with the increasingly high automation degree of the industrial field, and has obvious advantages compared with the traditional pneumatic regulating valve: the electric regulating valve is energy-saving, environment-friendly, and quick and convenient to install, and the valve is divided into three types, namely a linear characteristic, an equal percentage characteristic and a parabolic characteristic according to the power used by an actuating mechanism matched with the valve and the functions and characteristics of the valve.

When rivers enter into the governing valve in, the impact force that rivers produced can damage electric control valve's inside somewhere easily, has shortened electric control valve's life, and when traditional electric control valve was carrying out linear flow's regulation, need the automatically controlled valve ball to rise or descend and control the volume that flow passes through valve body internal cavity mouth, and valve ball positioning accuracy is low excessively, then appears the linear flow too much that flows easily, or the linear flow is flowed too little for the precision of discharge flow is low, can't satisfy the in-service use needs.

Therefore, the existing electric regulating valve has the defects of easy damage and incapability of controlling the liquid flow, and is difficult to popularize and apply.

Therefore, it is desirable to provide an electric control valve, aiming at solving the above problems.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides an aim at provides electrical control valve to solve the problem among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the electric regulating valve comprises a valve body, wherein a liquid inlet and a liquid outlet are formed in the valve body, the valve body is fixedly connected with a valve seat in a sealing mode through a plurality of fixing bolts, a valve core control mechanism is arranged at the joint of the valve body and the valve seat, a filter screen, a buffering protection mechanism and a liquid drainage mechanism are arranged in the valve body, the buffering protection mechanism comprises a buffer plate, a first fixing seat, a connecting rod, a sliding block, a sliding rod, a spring and a second fixing seat, the first fixing seat and the second fixing seat are fixedly connected inside the valve body respectively, one end of the buffer plate is rotatably connected onto the first fixing seat through a rotating shaft, one end of the connecting rod is hinged onto the buffer plate, the other end of the connecting rod is hinged onto the sliding block, the sliding block is slidably connected onto the sliding rod, the sliding rod is fixedly connected onto the second fixing seat, the spring is arranged on one side of the sliding block, the liquid drainage mechanism and the valve core control mechanism are both connected with a driving mechanism, the driving mechanism is fixedly installed on the valve seat, the driving mechanism comprises a first driving group and a second driving group, and the second driving group is connected with the first driving group.

As a further scheme of the utility model, case control mechanism includes valve rod, valve rod cover, case, catheter, drain hole and L type slide bar, the valve rod cover rotates to be connected in the inside of disk seat, valve rod threaded connection is sheathe in the valve rod, the valve rod passes through slider sliding connection in the inside of valve body and disk seat, the one end fixedly connected with case of valve rod, the sealed sliding connection of case is in the inside of catheter, catheter fixed connection is in the inside of valve body, set up a plurality of drain holes of being convenient for circulate liquid on the catheter, fixedly connected with L type slide bar on the case, L type slide bar sliding connection is in the inside of catheter.

As a further scheme of the utility model, first drive assembly includes driven gear, driving gear, cylinder and positive and negative motor, driven gear fixed connection is sheathe in the valve rod, the meshing is connected with the driving gear on the driven gear, the output shaft of driving gear fixedly connected with positive and negative motor, positive and negative motor passes through slider sliding connection in the inside of disk seat, the output shaft of positive and negative motor fixedly connected with cylinder, cylinder fixed mounting is on the disk seat, the outside of cylinder is provided with the shell.

As a further scheme of the utility model, drainage mechanism includes first pivot, second pivot, helical blade and montant, first pivot swivelling joint is in the inside of valve body, first pivot is connected with the one end of second pivot through bevel gear pair rotation, fixedly connected with is convenient for the helical blade of flowing back in the second pivot, just the second pivot is rotated and is connected on the montant, montant fixed connection is in the inside of valve body.

As a further aspect of the present invention, the second driving assembly includes a first rotating disc, a driving rod and a second rotating disc, the second rotating disc is fixedly connected to the one end of the first rotating shaft, the first rotating shaft is rotatably connected to the inside of the valve seat, the first rotating disc is fixedly connected to the driving gear, a plurality of driving rod is provided on the first rotating disc, and a guiding groove for conveniently adapting the driving rod is provided on the second rotating disc.

As a further scheme of the utility model, the inside of disk seat is provided with battery and controller, the controller respectively with cylinder and positive and negative motor's input electric connection.

To sum up, compared with the prior art, the embodiment of the utility model has the following beneficial effects:

the utility model discloses a through being connected with the disk seat sealing and fixing through a plurality of fixing bolts on the valve body, the junction of valve body and disk seat is provided with case control mechanism, and case control mechanism is connected with actuating mechanism, through being provided with case control mechanism under actuating mechanism's effect, realizes that the valve rod drives the interior of case linear lift adjustment in the catheter, realizes the case to the opening and close in the valve body to and a plurality of drain holes of seting up on the catheter are convenient for control the discharge amount of liquid, are convenient for adjust and use;

be provided with the filter screen in the valve body, buffering protection mechanism and drainage mechanism, be convenient for carry out filtration treatment to the liquid that lets in through being provided with the filter screen, drainage mechanism is connected with actuating mechanism, actuating mechanism fixed mounting is on the disk seat, actuating mechanism includes first drive group and second drive group, second drive group is connected with first drive group, realize the elastic buffer to letting in liquid through being provided with buffering protection mechanism, thereby realize the protection to the valve body is inside, realize that helical blade carries out the drainage and discharges through of accelerating liquid in the valve body under the drive action of second drive group through being provided with drainage mechanism, the realization is to the good control of liquid.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic sectional structure diagram of the inside of the embodiment of the present invention.

Fig. 3 is an enlarged schematic view of a in fig. 2.

Fig. 4 is an enlarged structural diagram of B in fig. 2.

Fig. 5 is a schematic view of a connection structure of the second turntable according to an embodiment of the present invention.

Reference numerals are as follows: 1. a valve body; 2. a valve seat; 3. a valve stem; 4. a valve stem sleeve; 5. a driven gear; 6. a driving gear; 7. a first turntable; 8. a drive rod; 9. a second turntable; 10. a first rotating shaft; 11. a bevel gear pair; 12. a second rotating shaft; 13. a helical blade; 14. a vertical rod; 15. a cylinder; 16. a valve core; 17. a catheter; 18. a drain hole; 19. an L-shaped sliding rod; 20. a buffer plate; 21. a first fixed seat; 22. a connecting rod; 23. a sliding block; 24. a slide bar; 25. a spring; 26. a second fixed seat; 27. a storage battery; 28. a controller; 29. a guide groove; 30. a housing; 31. a positive and negative motor; 32. a liquid inlet; 33. a liquid outlet; 34. and (4) a filter screen.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following detailed description is provided for the specific embodiments of the present invention.

Example 1

Referring to fig. 1 to 4, the electric control valve includes a valve body 1, a liquid inlet 32 and a liquid outlet 33 have been seted up on the valve body 1, through a plurality of fixing bolts and the sealed fixed connection of valve seat 2 on the valve body 1, be provided with filter screen 34 and buffer protection mechanism in the valve body 1, buffer protection mechanism includes buffer board 20, first fixing base 21, connecting rod 22, sliding block 23, slide bar 24, spring 25 and second fixing base 26, first fixing base 21 and second fixing base 26 are fixed connection in the inside of valve body 1 respectively, the one end of buffer board 20 is rotated through the pivot and is connected on first fixing base 21, the last one end that articulates there is connecting rod 22 of buffer board 20, the other end of connecting rod 22 articulates on sliding block 23, sliding block 23 sliding connection is on slide bar 24, slide bar 24 fixed connection is on second fixing base 26, one side of sliding block 23 is provided with spring 25.

Preferably, when the liquid is introduced into the liquid inlet 32 in the valve body 1, the filter screen 34 arranged in the valve body 1 is convenient for filtering impurities in the liquid.

Preferably, for avoiding other parts in the valve body 1 and filter screen 34 to suffer from leading to damaging under the excessive impact of liquid, the buffer board 20 of setting is convenient for cushion the liquid of entering, when liquid strikes on buffer board 20, the impact force that produces orders about the one end of buffer board 20 and rotates and connect on first fixing base 21, and order about sliding block 23 compression spring 25 sliding connection and carry out the elastic buffer on slide bar 24 under buffer board 20 and the articulated relation of connecting rod 22, the elastic buffer of buffer board 20 has been realized, thereby realize the protection to the valve body 1 inside.

Example 2

Referring to fig. 1, 2 and 4, the electric control valve includes a valve body 1, a liquid inlet 32 and a liquid outlet 33 are formed in the valve body 1, the valve body 1 is fixedly connected to a valve seat 2 through a plurality of fixing bolts in a sealing manner, a valve core control mechanism is disposed at a joint of the valve body 1 and the valve seat 2, the valve core control mechanism is connected to a driving mechanism, the driving mechanism is fixedly mounted on the valve seat 2, the driving mechanism includes a first driving group and a second driving group, and the second driving group is connected to the first driving group.

Further, the valve core control mechanism comprises a valve rod 3, a valve rod sleeve 4, a valve core 16, a liquid guide pipe 17, liquid guide holes 18 and an L-shaped sliding rod 19, the valve rod sleeve 4 is rotatably connected inside the valve seat 2, the valve rod 3 is in threaded connection with the valve rod sleeve 4, the valve rod 3 is in sliding connection with the valve body 1 and the valve seat 2 through a sliding block, one end of the valve rod 3 is fixedly connected with the valve core 16, the valve core 16 is in sealing sliding connection with the inside of the liquid guide pipe 17, the liquid guide pipe 17 is fixedly connected inside the valve body 1, the liquid guide holes 18 convenient for liquid circulation are formed in the liquid guide pipe 17, the L-shaped sliding rod 19 is fixedly connected on the valve core 16, and the L-shaped sliding rod 19 is in sliding connection with the inside of the liquid guide pipe 17.

Further, first drive assembly includes driven gear 5, driving gear 6, cylinder 15 and positive and negative motor 31, driven gear 5 fixed connection is on valve rod cover 4, the meshing is connected with driving gear 6 on the driven gear 5, the output shaft of positive and negative motor 31 of driving gear 6 fixedly connected with, positive and negative motor 31 passes through slider sliding connection in the inside of disk seat 2, positive and negative motor 31 fixedly connected with cylinder 15's output shaft, cylinder 15 fixed mounting is on disk seat 2, the outside of cylinder 15 is provided with shell 30.

Further, a storage battery 27 and a controller 28 are arranged inside the valve seat 2, and the controller 28 is electrically connected with the input ends of the cylinder 15 and the positive and negative motor 31 respectively.

Preferably, when the valve body 1 needs to be opened and closed and the discharge amount of liquid in the valve body 1 needs to be controlled, the cylinder 15 drives the driving gear 6 on the positive and negative motor 31 and the driven gear 5 to be in a meshing connection position, the positive and negative motor 31 operates to drive the driving gear 6 to rotate, the driving gear 6 and the driven gear 5 are meshed and connected to drive the valve rod sleeve 4 to rotate, and under the relationship that the valve rod sleeve 4 and the valve rod 3 are in threaded connection, the valve rod 3 drives the valve core 16 to linearly lift and adjust inside the liquid guide tube 17, so that the valve core 16 is opened and closed in the valve body 1.

Preferably, the liquid guide tube 17 is provided with a plurality of liquid guide holes 18 for controlling the discharge amount of the liquid, and the adjustment and the use are convenient.

Example 3

Referring to fig. 1, fig. 2 and fig. 5, the electric control valve includes a valve body 1, a liquid inlet 32 and a liquid outlet 33 are provided on the valve body 1, the valve body 1 is fixedly connected to a valve seat 2 through a plurality of fixing bolts in a sealing manner, a liquid discharging mechanism is provided in the valve body 1, the liquid discharging mechanism is connected to a driving mechanism, and the driving mechanism is fixedly mounted on the valve seat 2.

Further, drainage mechanism includes first pivot 10, second pivot 12, helical blade 13 and montant 14, first pivot 10 rotates to be connected in the inside of valve body 1, first pivot 10 rotates through the vice 11 one end that is connected with second pivot 12 of bevel gear, fixedly connected with is convenient for the helical blade 13 of flowing back in the second pivot 12, just second pivot 12 rotates and connects on montant 14, montant 14 fixed connection is in the inside of valve body 1.

Further, the second drive group includes first carousel 7, actuating lever 8 and second carousel 9, second carousel 9 fixed connection is in the one end department of first pivot 10, first pivot 10 rotates the inside of connecting in disk seat 2, first carousel 7 fixed connection is on driving gear 6, be provided with a plurality of actuating lever 8 on the first carousel 7, set up the guide way 29 of the adaptation connection actuating lever 8 of being convenient for on the second carousel 9.

Further, a storage battery 27 and a controller 28 are arranged inside the valve seat 2, and the controller 28 is electrically connected with the input ends of the air cylinder 15 and the positive and negative motor 31 respectively.

Preferably, in order to accelerate the rapid discharge of the liquid in the valve body 1, the cylinder 15 operates to drive the first rotary table 7 on the forward-reverse motor 31 to descend, when the driving rod 8 on the first rotary table 7 is in adaptive connection with the guide slot 29 in the second rotary table 9, and the first rotary table 7 is in engagement with the second rotary table 9, the forward-reverse motor 31 operates to drive the first rotary table 7 to rotate, the first rotary shaft 10 is driven to rotate continuously under the matching connection relationship between the driving rod 8 and the second rotary table 9, the first rotary shaft 10 drives the helical blade 13 on the second rotary shaft 12 to rotate under the connection relationship between the bevel gear pair 11, so that the helical blade 13 guides the liquid in the valve body 1 and accelerates the discharge of the liquid, thereby achieving good control of the liquid.

The utility model discloses a theory of operation is: when liquid is introduced into the liquid inlet 32 in the valve body 1, the filter screen 34 arranged in the valve body 1 is convenient for filtering impurities in the liquid, and in order to prevent other components in the valve body 1 and the filter screen 34 from being damaged due to excessive impact of the liquid, the buffer plate 20 is convenient for buffering the entering liquid, when the liquid impacts on the buffer plate 20, the generated impact force drives one end of the buffer plate 20 to be rotatably connected to the first fixing seat 21, and drives the sliding block 23 to compress the spring 25 to be slidably connected onto the sliding rod 24 for elastic buffering under the hinged relation between the buffer plate 20 and the connecting rod 22, so that the elastic buffering of the buffer plate 20 is realized, and the protection of the interior of the valve body 1 is realized; when the valve body 1 needs to be opened and closed and the discharge amount of liquid in the valve body 1 needs to be controlled, the air cylinder 15 drives the driving gear 6 and the driven gear 5 on the positive and negative motor 31 to be in a meshed connection position, the positive and negative motor 31 operates to drive the driving gear 6 to rotate, the valve rod sleeve 4 is driven to rotate under the meshed connection relationship between the driving gear 6 and the driven gear 5, and under the threaded connection relationship between the valve rod sleeve 4 and the valve rod 3, the valve rod 3 drives the valve core 16 to linearly lift and adjust inside the liquid guide pipe 17, so that the valve core 16 is opened and closed in the valve body 1, and the liquid guide holes 18 formed in the liquid guide pipe 17 are convenient for controlling the discharge amount of liquid and are convenient to adjust and use; in order to accelerate the rapid discharge of the liquid in the valve body 1, the cylinder 15 operates to drive the first rotary table 7 on the forward and reverse motor 31 to descend, when the driving rod 8 on the first rotary table 7 is in adaptive connection with the guide groove 29 in the second rotary table 9, and the first rotary table 7 is in adhesion with the second rotary table 9, the forward and reverse motor 31 operates to drive the first rotary table 7 to rotate, the first rotary shaft 10 is driven to continuously rotate under the matching connection relationship between the driving rod 8 and the second rotary table 9, the first rotary shaft 10 drives the helical blade 13 on the second rotary shaft 12 to rotate under the connection relationship between the bevel gear pair 11, so that the helical blade 13 guides the liquid in the valve body 1 and accelerates the discharge of the liquid, thereby realizing good control on the liquid.

It should be noted that, in the present application, all the components are common standard components or components known to those skilled in the art, which effectively solve the problems of the existing electric control valve that it is easy to damage and cannot control the liquid flow.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The electric regulating valve comprises a valve body (1), wherein a liquid inlet (32) and a liquid outlet (33) are formed in the valve body (1), the electric regulating valve is characterized in that the valve body (1) is fixedly connected with a valve seat (2) in a sealing manner through a plurality of fixing bolts, a valve core control mechanism is arranged at the joint of the valve body (1) and the valve seat (2), a filter screen (34), a buffering protection mechanism and a liquid drainage mechanism are arranged in the valve body (1), the buffering protection mechanism comprises a buffer plate (20), a first fixing seat (21), a connecting rod (22), a sliding block (23), a sliding rod (24), a spring (25) and a second fixing seat (26), the first fixing seat (21) and the second fixing seat (26) are respectively and fixedly connected to the inside of the valve body (1), one end of the buffer plate (20) is rotatably connected to the first fixing seat (21) through a rotating shaft, one end of the connecting rod (22) is hinged to the buffer plate (20), the other end of the connecting rod (22) is hinged to the sliding block (23), the sliding block (23) is slidably connected to the sliding block (24), the sliding block (24) is fixedly connected to the second fixing seat (26), one side of the sliding rod (26) is provided with a sliding control mechanism, and one side of the sliding rod (25) and the liquid drainage mechanism are respectively connected to the liquid drainage mechanism, the driving mechanism is fixedly arranged on the valve seat (2), and comprises a first driving group and a second driving group, and the second driving group is connected with the first driving group.

2. The electric control valve according to claim 1, characterized in that the valve core control mechanism comprises a valve rod (3), a valve rod sleeve (4), a valve core (16), a liquid guide pipe (17), a liquid guide hole (18) and an L-shaped sliding rod (19), the valve rod sleeve (4) is rotatably connected to the inside of the valve seat (2), the valve rod (3) is in threaded connection with the valve rod sleeve (4), the valve rod (3) is in sliding connection with the inside of the valve body (1) and the inside of the valve seat (2) through a sliding block, one end of the valve rod (3) is fixedly connected with the valve core (16), the valve core (16) is in sealing sliding connection with the inside of the liquid guide pipe (17), the liquid guide pipe (17) is fixedly connected to the inside of the valve body (1), the liquid guide hole (18) convenient for liquid circulation is formed in the liquid guide pipe (17), the L-shaped sliding rod (19) is fixedly connected to the valve core (16), and the L-shaped sliding rod (19) is in sliding connection with the inside of the liquid guide pipe (17).

3. The electric control valve according to claim 2, characterized in that the first driving group comprises a driven gear (5), a driving gear (6), an air cylinder (15) and a positive and negative motor (31), the driven gear (5) is fixedly connected to the valve rod sleeve (4), the driving gear (6) is engaged and connected to the driven gear (5), the driving gear (6) is fixedly connected to an output shaft of the positive and negative motor (31), the positive and negative motor (31) is slidably connected to the inside of the valve seat (2) through a sliding block, the output shaft of the air cylinder (15) is fixedly connected to the positive and negative motor (31), the air cylinder (15) is fixedly mounted on the valve seat (2), and a housing (30) is arranged on the outer side of the air cylinder (15).

4. The electric control valve according to claim 3, characterized in that the liquid discharge mechanism comprises a first rotating shaft (10), a second rotating shaft (12), a helical blade (13) and a vertical rod (14), the first rotating shaft (10) is rotatably connected inside the valve body (1), the first rotating shaft (10) is rotatably connected with one end of the second rotating shaft (12) through a bevel gear pair (11), the helical blade (13) convenient for liquid discharge is fixedly connected on the second rotating shaft (12), the second rotating shaft (12) is rotatably connected on the vertical rod (14), and the vertical rod (14) is fixedly connected inside the valve body (1).

5. The electric control valve according to claim 4, wherein the second driving group comprises a first rotating disc (7), a driving rod (8) and a second rotating disc (9), the second rotating disc (9) is fixedly connected to one end of the first rotating shaft (10), the first rotating shaft (10) is rotatably connected to the inside of the valve seat (2), the first rotating disc (7) is fixedly connected to the driving gear (6), the first rotating disc (7) is provided with a plurality of driving rods (8), and the second rotating disc (9) is provided with a guide groove (29) convenient for being connected with the driving rods (8) in an adaptive manner.

6. The electric control valve according to any one of claims 1 to 5, characterized in that a storage battery (27) and a controller (28) are arranged inside the valve seat (2), and the controller (28) is electrically connected with the input ends of the cylinder (15) and the positive and negative motor (31), respectively.