CN212839638U

CN212839638U - Electric regulating valve with pressure control effect

Info

Publication number: CN212839638U
Application number: CN202021103180.3U
Authority: CN
Inventors: 李明辉
Original assignee: Hangzhou Yuanji Automatic Control Valve Co ltd
Current assignee: Hangzhou Yuanji Automatic Control Valve Co ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2021-03-30
Anticipated expiration: 2030-06-15

Abstract

The utility model discloses an electric regulating valve with pressure control effect, which comprises an actuating mechanism and a valve body, wherein a valve cover is fixedly arranged on the lower end face of the actuating mechanism, the actuating mechanism comprises a shell and a frame, a convex column is arranged in the frame, a connecting block is fixedly arranged below the convex column, a valve rod is fixedly arranged on the lower end face of the connecting block, a valve seat is fixedly arranged in the valve body, a valve core is fixedly arranged on the lower end face of the valve rod, a baffle ring is arranged around four sides of the valve core, a sealing ring a is arranged around four sides of the valve seat, an indicating mark is fixedly arranged at the other end of the connecting block, and an indicating block is fixedly arranged in the frame. Thereby making the water pressure control more stable.

Description

Electric regulating valve with pressure control effect

Technical Field

The utility model relates to an electrical control valve field, in particular to electrical control valve with accuse pressure effect.

Background

Electric control valves are important execution unit instruments in industrial automation process control. With the increasing automation degree in the industrial field, the method is being used in various industrial production fields more and more. Compared with the traditional pneumatic regulating valve, the pneumatic regulating valve has the obvious advantages that: the electric regulating valve is energy-saving (only consumes electric energy when in work), environment-friendly (no carbon emission), and quick and convenient to install (no complex pneumatic pipeline and air pump work station are needed). 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.

The existing electric regulating valve changes the size of water pressure by changing the gap between the valve core and the valve seat, and after the valve core and the valve seat are separated for many times, a certain water leakage phenomenon can exist, so that certain influence can be generated on the control of the water pressure, and the numerical value of the water pressure is difficult to observe. In view of the above problems, a solution is proposed as follows.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electrical control valve with accuse pressure effect has the accuse and presses stable advantage.

The above technical purpose of the present invention can be achieved by the following technical solutions:

an electric control valve with pressure control effect comprises an actuating mechanism and a valve body, wherein the actuating mechanism is positioned above the valve body, a valve cover is fixedly arranged on the lower end face of the actuating mechanism and detachably connected with the valve body, the actuating mechanism comprises a shell and a frame, the shell is positioned above the frame and fixedly connected with the frame, a motor is fixedly arranged in the shell, a rotating rod is fixedly arranged on an output shaft of the motor, a threaded sleeve is fixedly arranged in the shell, a threaded rod is arranged in the threaded sleeve in a penetrating manner and in threaded fit with the threaded rod, a sliding groove is formed in the upper end face of the threaded rod, one end of the rotating rod is positioned in the sliding groove and in sliding fit with the sliding groove, the lower end face of the shell is arranged at one end, away from the rotating rod, of the threaded rod in a penetrating manner and positioned in the frame, a convex column is arranged below the threaded rod and is in rotating fit with, the valve comprises a convex column, a valve body, a valve core, a valve rod, a valve seat, a sealing ring a and a stop ring a, wherein the convex column is fixedly arranged below the convex column, the lower end face of the connecting block is fixedly provided with the valve rod, the valve rod penetrates through the valve cover and is in sliding fit with the valve cover, the valve seat is fixedly arranged in the valve body, the lower end face of the valve rod is fixedly provided with the valve core, the valve core is in sliding fit with the valve seat, the stop ring is arranged around four sides of the valve.

Adopt above-mentioned technical scheme, the motor is reverse to be started, motor antiport can drive bull stick antiport, along with the threaded rod when continuous antiport in the thread bush, the threaded rod can constantly rise, later the pulling projection rises, when the projection rises, can drive the connecting block and rise, thereby it rises to drive the valve rod, consequently can drive the case and rise gradually, when dog and sealing washer laminate, can increase the leakproofness of case and disk seat, the case rises gradually and can make fender ring and sealing washer a separate gradually, thereby it is internal to make rivers flow through the valve, later can continue to reach the effect that changes water pressure through changing the space between fender ring and the sealing washer.

Preferably, the upper end surface of the valve cover is provided with a plurality of through holes a, the upper end surface of the valve body is provided with a plurality of through holes b, bolts penetrate through the through holes a respectively, the bolts penetrate through the through holes b respectively, and the valve body is fixedly connected with the valve cover through the bolts.

By adopting the technical scheme, a user respectively penetrates a plurality of through holes a and a plurality of through holes b with a plurality of bolts and respectively screws up the bolts, so that the valve cover and the valve body are fixed, and the valve cover and the valve body can be detached and installed.

Preferably, a guide block is fixedly arranged in the frame, one end of the connecting block is fixedly provided with a sliding block, one end of the sliding block is provided with a guide groove, one side of the guide block is embedded in the guide groove and is in sliding fit with the guide groove, the other end of the connecting block is fixedly provided with an indicator, an indicating block is fixedly arranged in the frame, and the indicator is matched with the indicating block.

Adopt above-mentioned technical scheme, when the projection drove the connecting block when ascending, the sliding block can slide along the guide block and rise, and more steady when valve rod rose consequently to make water pressure control more stable, when the connecting block rose, still can drive the indicateing vane and rise, the numerical value that indicates on the guide block through the indicateing vane realizes hydraulic observation, therefore more person of facilitating the use controls hydraulic change.

Preferably, a plurality of embedded blocks are symmetrically and fixedly arranged on the side surface of the rotating rod, embedded grooves are symmetrically formed in the side wall of the sliding groove, and the plurality of embedded blocks are respectively located in the plurality of embedded grooves and are respectively in sliding fit with the plurality of embedded grooves.

By adopting the technical scheme, when the rotating rod rotates reversely, the rotating rod and the threaded rod cannot slip, so that the threaded rod can be driven to rotate reversely, and the threaded rod can continuously rise along with the threaded rod in the threaded sleeve during continuous reverse rotation, so that the plurality of embedded blocks slide in the plurality of embedded grooves respectively.

Preferably, a sealing ring b is arranged between the lower end surface of the valve cover and the upper end surface of the valve body, and the sealing ring b has elasticity.

By adopting the technical scheme, the sealing ring b can increase the sealing property between the valve cover and the valve body and can also play a certain buffering role in fixing the valve body and the valve cover.

Preferably, the lower end of the threaded rod is provided with a rotary groove, a rotary sheet is arranged in the rotary groove and is in rotating fit with the rotary groove, and the upper end face of the convex column penetrates through the lower end face of the threaded rod and is fixedly connected with the lower end face of the rotary sheet.

By adopting the technical scheme, when the threaded rod reversely rotates to ascend, the rotating groove can be driven to reversely rotate, so that the rotating groove rotates along the rotating sheet, the convex column cannot rotate along with the threaded rod, and the convex column can be pulled to ascend by the reverse rotation of the threaded rod.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a sectional view of the embodiment;

fig. 3 is a partially enlarged view of the area a in fig. 2.

Reference numerals: 1. an actuator; 2. a valve body; 3. a valve cover; 4. a housing; 5. a frame; 6. a motor; 7. a rotating rod; 8. a threaded sleeve; 9. a threaded rod; 10. a convex column; 11. connecting blocks; 12. a valve stem; 13. rotating the sheet; 14. a valve seat; 15. a valve core; 16. a baffle ring; 17. a sealing ring a; 18. a bolt; 19. a guide block; 20. a slider; 21. an indicator mark; 22. an indication block; 23. an insert block; 24. and a sealing ring b.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

As shown in fig. 1 to 3, an electric control valve with pressure control effect includes an actuator 1 and a valve body 2, the actuator 1 is located above the valve body 2, a valve cover 3 is fixedly arranged on a lower end face of the actuator 1, a sealing ring b24 is arranged between a lower end face of the valve cover 3 and an upper end face of the valve body 2, the sealing ring b24 is elastic, a user places a sealing ring b24 on the upper end face of the valve body 2, and then places the valve cover 3 on the upper end face of the sealing ring b24, the sealing ring b24 can increase the sealing performance between the valve cover 3 and the valve body 2, and can play a certain buffering role in fixing the valve body 2 and the valve cover 3.

A plurality of through-holes a have been seted up to the up end of valve gap 3, a plurality of through-holes b have been seted up to the up end of valve body 2, later transfer the position of valve gap 3, make a plurality of through-holes a aim at a plurality of through-holes b respectively, wear to be equipped with bolt 18 in a plurality of through-holes a respectively, and a plurality of bolt 18 wear to establish through-hole b respectively, later pass a plurality of through-holes a and a plurality of through-hole b respectively with a plurality of bolt 18, screw up a plurality of bolts 18 respectively, thereby realize the fixed to valve gap 3 and valve body 2, consequently can realize dismantling and installing between valve gap 3 and.

Actuating mechanism 1 includes casing 4 and frame 5, and casing 4 is located the top of frame 5, and casing 4 and frame 5 fixed connection, has set firmly motor 6 in the casing 4, has set firmly bull stick 7 on the output shaft of motor 6, and the user installs valve body 2 on the pipeline, and later motor 6 reverse start, and motor 6 reverse rotation can drive bull stick 7 reverse rotation. Set firmly threaded sleeve 8 in casing 4, threaded rod 9 wears to be equipped with in the threaded sleeve 8, the up end of threaded rod 9 is equipped with the spout, the one end of bull stick 7 is located the spout, the side symmetry of bull stick 7 has set firmly a plurality of abaculus 23, the caulking groove has been seted up of symmetry on the lateral wall of spout, because a plurality of abaculus 23 are located a plurality of caulking grooves respectively, during 7 antiport of bull stick, can drive 9 antiport of threaded rod, along with threaded rod 9 when continuous antiport in threaded sleeve 8, threaded rod 9 can constantly rise, thereby make a plurality of abaculus 23 slide respectively in a plurality of caulking grooves.

The lower terminal surface of casing 4 is worn to establish by the one end that bull stick 7 was kept away from to threaded rod 9, and be located frame 5, the below of threaded rod 9 is equipped with projection 10, the lower extreme of threaded rod 9 is equipped with the turn trough, be equipped with rotor 13 in the turn trough, threaded rod 9's lower terminal surface is worn to establish by the up end of projection 10, and with rotor 13's lower terminal surface fixed connection, when threaded rod 9 antiport goes up, can drive the turn trough antiport, thereby make the turn trough rotate along rotor 13, and projection 10 can not rotate along with threaded rod 9 together, consequently threaded rod 9 antiport can stimulate projection 10 and rise.

The connecting block 11 is fixedly arranged below the convex column 10, the valve rod 12 is fixedly arranged on the lower end face of the connecting block 11, the valve rod 12 penetrates through the valve cover 3, and when the convex column 10 ascends, the connecting block 11 is driven to ascend, so that the valve rod 12 is driven to ascend. The valve seat 14 is fixedly arranged in the valve body 2, the valve core 15 is fixedly arranged on the lower end face of the valve rod 12, when the valve rod 12 ascends, the valve core 15 is driven to gradually ascend, the blocking rings 16 are arranged around the four sides of the valve core 15, the sealing rings a17 are arranged around the four sides of the valve seat 14, when the blocking blocks are attached to the sealing rings, the sealing performance of the valve core 15 and the valve seat 14 can be improved, the blocking rings 16 can be gradually separated from the sealing rings a17 due to the gradual ascending of the valve core 15, therefore, water flows through the valve body 2, and then the effect of changing the water pressure can be achieved by changing the gap between.

Frame 5 internal fixation has guide block 19, and the one end of connecting block 11 has set firmly sliding block 20 and has not had the one end of sliding block 20 and seted up the guide slot, and one side embedding of guide block 19 is in the guide slot, and when projection 10 drove connecting block 11 to rise, sliding block 20 can slide along guide block 19 and rise, more steady when valve rod 12 rose consequently to make water pressure control more stable. The other end of connecting block 11 sets firmly indicator 21, and frame 5 internal stability is equipped with indicator 22, and when connecting block 11 rose, still can drive indicator 21 and rise, indicates the numerical value on indicator 22 through indicator 21 and realizes the observation to hydraulic, therefore the person of facilitating the use controls hydraulic change more.

Claims

1. The utility model provides an electrical control valve with accuse pressure effect, includes actuating mechanism (1) and valve body (2), its characterized in that, actuating mechanism (1) is located the top of valve body (2), actuating mechanism's (1) lower terminal surface has set firmly valve gap (3), just valve gap (3) can dismantle with valve body (2) and be connected, actuating mechanism (1) includes casing (4) and frame (5), casing (4) are located the top of frame (5), just casing (4) and frame (5) fixed connection, casing (4) internal fixation has motor (6), bull stick (7) have set firmly on the output shaft of motor (6), casing (4) internal fixation has threaded sleeve (8), threaded rod (9) wear to be equipped with in threaded sleeve (8), just threaded sleeve (8) and threaded rod (9) screw-thread fit, the upper end face of the threaded rod (9) is provided with a sliding groove, one end of the rotating rod (7) is positioned in the sliding groove and is in sliding fit with the sliding groove, one end, far away from the rotating rod (7), of the threaded rod (9) penetrates through the lower end face of the shell (4) and is positioned in the frame (5), a convex column (10) is arranged below the threaded rod (9), the convex column (10) is in rotating fit with the threaded rod (9), a connecting block (11) is fixedly arranged below the convex column (10), a valve rod (12) is fixedly arranged on the lower end face of the connecting block (11), the valve rod (12) penetrates through the valve cover (3) and is in sliding fit with the valve cover (3), a valve seat (14) is fixedly arranged in the valve body (2), a valve core (15) is fixedly arranged on the lower end face of the valve rod (12), the valve core (15) is in sliding fit with the valve seat (14), and stop rings (16) are arranged around, and sealing rings a (17) are arranged around the four sides of the valve seat (14), and the sealing rings a (17) are matched with the baffle ring (16).

2. The electric control valve with the pressure control effect according to claim 1, wherein the upper end surface of the valve cover (3) is provided with a plurality of through holes a, the upper end surface of the valve body (2) is provided with a plurality of through holes b, bolts (18) are respectively arranged in the plurality of through holes a, the plurality of bolts (18) are respectively arranged in the through holes b, and the valve body (2) and the valve cover (3) are fixedly connected through the bolts (18).

3. The electric control valve with the pressure control effect as claimed in claim 2, wherein a guide block (19) is fixedly arranged in the frame (5), a sliding block (20) is fixedly arranged at one end of the connecting block (11), a guide groove is formed at one end of the sliding block (20), one side of the guide block (19) is embedded in the guide groove and is in sliding fit with the guide groove, an indicator (21) is fixedly arranged at the other end of the connecting block (11), an indicator block (22) is fixedly arranged in the frame (5), and the indicator (21) is matched with the indicator block (22).

4. The electric control valve with the pressure control effect according to claim 3, wherein a plurality of the insert blocks (23) are symmetrically and fixedly arranged on the side surface of the rotating rod (7), the side wall of the sliding groove is symmetrically provided with insert grooves, and the insert blocks (23) are respectively positioned in the insert grooves and are respectively in sliding fit with the insert grooves.

5. An electric control valve with pressure control effect according to claim 4, characterized in that a sealing ring b (24) is arranged between the lower end surface of the valve cover (3) and the upper end surface of the valve body (2), and the sealing ring b (24) has elasticity.

6. The electric control valve with the pressure control effect as claimed in claim 4, wherein a rotary groove is formed at the lower end of the threaded rod (9), a rotary plate (13) is arranged in the rotary groove, the rotary plate (13) is in rotating fit with the rotary groove, and the upper end face of the convex column (10) penetrates through the lower end face of the threaded rod (9) and is fixedly connected with the lower end face of the rotary plate (13).