CN219493211U - Valve position detection device for valve electric actuator - Google Patents

Abstract

The utility model belongs to the technical field of valve position detection devices, and particularly relates to a valve position detection device for an electric valve actuating mechanism, which comprises a shell and a sealing block, wherein a motor is arranged on the side of the shell, the side of the motor is connected with a worm wheel, a worm is arranged on the side of the worm wheel, a limiting block is fixed above the worm, a ball is connected on the side of the worm, a pressing rod is arranged on the outer side of the ball, a pressing plate is fixed on the side of the pressing rod, a reset spring is connected on the side of the pressing plate, a detection device main body is arranged on the side of the reset spring, a connecting rod is connected below the worm, a valve port is arranged on the outer side of the connecting rod, a sealing ring is fixed above the valve port, the sealing block is fixed below the connecting rod, and a valve body is arranged on the outer side of the sealing block. The valve position detection device for the valve electric actuating mechanism is convenient and accurate to judge the opening and closing states of the valve by the valve electric actuating mechanism, and abrasion between the detection device and the electric actuating mechanism is convenient to reduce.

Description

Valve position detection device for valve electric actuator

Technical Field

The utility model relates to the technical field of valve position detection devices, in particular to a valve position detection device for a valve electric actuator.

Background

Along with the increasing intelligence of modern equipment, also begin gradually in the valve field to judge the on-off state of valve position through detection device, wherein on-off valve is comparatively simple, only two kinds of screens state of switch, so can install detection device on-off valve generally, but current detection device has following problem:

1. the existing valve position detection device is inconvenient and accurate to judge the opening and closing states of the valve by the valve electric actuating mechanism, so that the use is limited;

2. the existing valve position detection device is inconvenient to reduce the abrasion between the detection device and the electric actuating mechanism, so that the abrasion degree of the detection device is increased, and the service life is shortened.

In order to solve the problems, innovative design is urgently needed on the basis of the valve position detection device for the original valve electric actuator.

Disclosure of Invention

The utility model aims to provide a valve position detection device for a valve electric actuator, which aims to solve the problems that the existing valve position detection device for the valve electric actuator is inconvenient and accurate to judge the opening and closing states of the valve by the valve electric actuator and inconvenient to reduce abrasion between the detection device and the electric actuator.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a valve position detection device for valve electric actuator, includes casing and sealing block, the motor is installed to the casing avris, and the motor avris is connected with the worm wheel to the worm wheel avris is provided with the worm, the worm top is fixed with the stopper, and the worm avris is connected with the ball, and the ball outside is provided with the depression bar, the depression bar avris is fixed with the clamp plate, and the clamp plate avris is connected with reset spring, and reset spring avris installs the detection device main part, the worm below is connected with the connecting rod, and the connecting rod outside is provided with the valve port, and the valve port top is fixed with the sealing washer, the sealing block is fixed in the below of connecting rod, and the sealing block outside is provided with the valve body.

Preferably, the shell and the worm wheel are in nested connection, the worm wheel and the worm are in meshing connection, and the worm is overlapped with the longitudinal center line of the shell.

Preferably, the limiting block is in welded connection with the worm, the worm is in rotatable connection with the ball, and the ball is in close fit with the compression bar.

Preferably, the pressing plate and the pressing rod are arranged vertically, the pressing plate and the return spring are arranged in a close fit mode, and the return spring and the detection device main body are arranged on the same straight line.

Preferably, the connecting rod and the worm are connected in a welding way, the connecting rod and the valve port are connected in a penetrating way, and the valve port and the sealing ring are connected in a glue way.

Preferably, the sealing block and the connecting rod are arranged in a mutually perpendicular mode, and the sealing block and the valve body are arranged in a penetrating connection mode.

Compared with the prior art, the utility model has the beneficial effects that: the valve position detection device for the valve electric actuating mechanism is convenient and accurate to judge the opening and closing states of the valve by the valve electric actuating mechanism, and is convenient to reduce the abrasion between the detection device and the electric actuating mechanism;

1. when the valve position detection device for the valve electric actuating mechanism is used, a motor can be opened through a controller, the motor drives a worm wheel to rotate, the worm wheel can be driven to move up and down when rotating, a connecting rod can be driven to move down when the worm moves down, the connecting rod can carry out closing operation on a valve body by a sealing block when moving down, when the worm cannot continue to move down, the valve body is completely closed by the sealing block, at the moment, the detection device main body detects that the worm stops moving, namely, an alarm is sent to remind a worker that the valve position is in a closed state, otherwise, when the worm moves up, when the sealing block is separated from the valve body and limited by a valve port, the worm is limited to move up no longer, at the moment, the detection device main body detects that the worm does not move up, namely, the valve body is in an open state, namely, the alarm is sent to remind the worker that the valve position state is in the open state;

2. when the valve position detection device for the valve electric actuator is used, abrasion is caused to the compression bar connected with the detection device body when the worm moves up and down in the valve position changing process, and the balls are arranged on the side of the compression bar, so that rolling can be carried out along the lines of the worm when the worm rotates to move up and down, and the abrasion degree between the compression bar and the worm is reduced.

Drawings

FIG. 1 is a schematic diagram of a front cross-sectional structure of the present utility model;

FIG. 2 is a schematic elevational view of the present utility model;

FIG. 3 is a schematic side view of the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.

In the figure: 1. a housing; 2. a motor; 3. a worm wheel; 4. a worm; 5. a limiting block; 6. a ball; 7. a compression bar; 8. a pressing plate; 9. a return spring; 10. a detection device body; 11. a connecting rod; 12. a valve port; 13. a seal ring; 14. a sealing block; 15. and a valve body.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a valve position detection device for valve electric actuator, including casing 1, motor 2, worm wheel 3, worm 4, stopper 5, ball 6, depression bar 7, clamp plate 8, reset spring 9, detection device main part 10, connecting rod 11, valve port 12, sealing washer 13, sealing washer 14 and valve body 15, casing 1 avris is installed motor 2, and motor 2 avris is connected with worm wheel 3, and worm wheel 3 avris is provided with worm 4, be fixed with stopper 5 above worm 4, and worm 4 avris is connected with ball 6, and the ball 6 outside is provided with depression bar 7, depression bar 7 avris is fixed with clamp plate 8, and clamp plate 8 avris is connected with reset spring 9, and reset spring 9 avris is installed detection device main part 10, be connected with connecting rod 11 below worm 4, and the connecting rod 11 outside is provided with valve port 12, and the valve port 12 top is fixed with sealing washer 13, sealing washer 14 is fixed in the below connecting rod 11, and the sealing washer 14 outside is provided with valve body 15;

furthermore, the shell 1 and the worm wheel 3 are in nested connection, the worm wheel 3 and the worm 4 are in meshing connection, the worm 4 is overlapped with the longitudinal center line of the shell 1, the nested connection increases the uniformity of overall coverage, the worm 4 can be driven to rotate and move downwards through meshing when the worm wheel 3 is driven to rotate by the motor 2, and the worm 4 can be protected by the shell 1 through overlapping;

furthermore, the limiting block 5 and the worm 4 are in welding connection, the worm 4 and the ball 6 are in rotatable connection, the ball 6 and the pressing rod 7 are in tight fit, the welding connection increases the firmness between the limiting block 5 and the worm 4, the ball 6 can be driven to rotate in the pressing rod 7 when the worm 4 rotates downwards due to the rotatable connection, the abrasion between the pressing rod 7 and the worm 4 is reduced, and the ball 6 can reduce the abrasion between the pressing rod 7 and the worm 4 due to the tight fit;

further, the pressing plate 8 and the pressing rod 7 are arranged vertically, the pressing plate 8 and the reset spring 9 are arranged in a close fit manner, the reset spring 9 and the detection device main body 10 are arranged on the same straight line, the stability between the pressing plate 8 and the pressing rod 7 is improved due to the arrangement vertically, the contact area between the pressing plate 8 and the reset spring 9 is increased due to the close fit manner, and the pressure between the pressing rod 7 and the detection device main body 10 can be reduced due to the reset spring 9 due to the arrangement on the same straight line;

furthermore, the connecting rod 11 and the worm 4 are connected in a welding way, the connecting rod 11 and the valve port 12 are connected in a penetrating way, the valve port 12 and the sealing ring 13 are connected in a glue way, the welding way increases the firmness between the connecting rod 11 and the worm 4, the penetrating way facilitates the connecting rod 11 to pass through the valve port 12 and move downwards with the sealing block 14, and the glue way increases the firmness between the valve port 12 and the sealing ring 13;

further, the sealing block 14 and the connecting rod 11 are arranged vertically, and the sealing block 14 and the valve body 15 are arranged in a penetrating connection mode, so that stability between the sealing block 14 and the connecting rod 11 is improved, and sealing measures of the sealing block 14 in the valve body 15 are facilitated.

Working principle: when the valve position detection device for the valve electric actuator is used, the motor 2 can be opened through the controller, the motor 2 drives the worm wheel 3 to rotate, the worm 4 can be driven to move up and down when the worm wheel 3 rotates, the connecting rod 11 can be driven to move down when the worm 4 moves down, the sealing block 14 can be used for carrying out closing operation on the valve body 15 when the connecting rod 11 moves down, when the worm 4 cannot move down, namely the sealing block 14 completely closes the valve body 15, the detection device main body 10 detects that the worm 4 stops moving, namely an alarm is sent to remind a worker of the valve position being in a closed state, otherwise, when the worm 4 moves up, the sealing block 14 is separated from the valve body 15, limited by the valve port 12, the worm 4 is limited to move up, at the moment, the detection device main body 10 detects that the worm 4 does not move up again, namely the valve body 15 is in an open state, namely the valve position state of an alarm reminding worker is sent out, when the worm 4 moves up and down, the pressure lever 7 side connected with the detection device main body 10 is provided with the pressure lever 7, and the abrasion is reduced when the worm 4 moves up and down along the rolling line of the ball 4, and the abrasion is reduced, and the abrasion is caused by the pressure lever 4.

Finally, it should be noted that the above description is only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and that the simple modification and equivalent substitution of the technical solution of the present utility model can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present utility model.

Claims (6)

1. Valve position detection device for valve electric actuator, including casing (1) and sealing block (14), its characterized in that: the utility model discloses a motor, motor (2) are installed to casing (1) avris, and motor (2) avris is connected with worm wheel (3) to worm wheel (3) avris is provided with worm (4), worm (4) top is fixed with stopper (5), and worm (4) avris is connected with ball (6) to ball (6) outside is provided with depression bar (7), depression bar (7) avris is fixed with clamp plate (8), and clamp plate (8) avris is connected with reset spring (9) to detection device main part (10) are installed to reset spring (9) avris, worm (4) below is connected with connecting rod (11), and connecting rod (11) outside is provided with valve port (12), and valve port (12) top is fixed with sealing washer (13), sealing block (14) are fixed in the below of connecting rod (11), and sealing block (14) outside is provided with valve body (15).

2. A valve position detection device for a valve electric actuator according to claim 1, wherein: the shell (1) and the worm wheel (3) are connected in a nested mode, the worm wheel (3) and the worm (4) are connected in a meshing mode, and the longitudinal center line of the worm (4) and the longitudinal center line of the shell (1) are overlapped.

3. A valve position detection device for a valve electric actuator according to claim 1, wherein: the limiting block (5) is connected with the worm (4) in a welding mode, the worm (4) is connected with the ball (6) in a rotatable mode, and the ball (6) is tightly attached to the pressing rod (7).

4. A valve position detection device for a valve electric actuator according to claim 1, wherein: the pressing plate (8) and the pressing rod (7) are arranged in a mutually perpendicular mode, the pressing plate (8) and the reset spring (9) are arranged in a close fit mode, and the reset spring (9) and the detection device main body (10) are arranged on the same straight line.

5. A valve position detection device for a valve electric actuator according to claim 1, wherein: the connecting rod (11) is connected with the worm (4) in a welding way, the connecting rod (11) is connected with the valve port (12) in a penetrating way, and the valve port (12) is connected with the sealing ring (13) in a glue way.

6. A valve position detection device for a valve electric actuator according to claim 1, wherein: the sealing block (14) and the connecting rod (11) are arranged in a mutually perpendicular mode, and the sealing block (14) and the valve body (15) are arranged in a penetrating connection mode.