CN215831269U

CN215831269U - Valve actuating mechanism for flow rate sensing

Info

Publication number: CN215831269U
Application number: CN202122479324.6U
Authority: CN
Inventors: 孙余睿
Original assignee: Tianjin Zeruichi Technology Co ltd
Current assignee: Tianjin Zeruichi Technology Co ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2022-02-15
Anticipated expiration: 2031-10-15

Abstract

The embodiment of the utility model discloses a valve actuating mechanism for sensing flow velocity, which belongs to the technical field of actuating mechanisms and comprises a valve core shell, wherein a valve rod is arranged at the top of the valve core shell, an object placing plate is arranged at the top of the valve rod and fixedly connected with the valve core shell, the top end of the valve rod penetrates through the object placing plate, a moving mechanism is arranged at the top of the object placing plate and comprises a threaded rod, a threaded sleeve is movably sleeved on the outer peripheral surface of the threaded rod, two moving plates are arranged at the top of the object placing plate, one side of the threaded sleeve is fixedly connected with the moving plates at corresponding positions, and a motor is arranged between the two moving plates. According to the utility model, the moving mechanism is arranged, the threaded rod is rotated, so that the worm is far away from the worm wheel and is not meshed with the worm wheel, and when power failure, motor damage and the like occur, the manual control of the opening and closing state of the valve can be realized through manual operation of the turntable, so that the valve is simple to operate, convenient to use and wide in application range.

Description

Valve actuating mechanism for flow rate sensing

Technical Field

The embodiment of the utility model relates to the technical field of actuating mechanisms, in particular to a flow-rate sensing valve actuating mechanism.

Background

Actuators use liquid, gas, electricity or other energy sources and convert them into drive action by motors, cylinders or other means. The basic actuator is used to drive the valve to a fully open or fully closed position. The actuator used to control the valve can precisely move the valve to any position. Although most actuators are used for opening and closing valves, the design of actuators today is far beyond simple opening and closing functions, and they include position sensing devices, torque sensing devices, electrode protection devices, logic control devices, digital communication modules, and PID control modules.

The existing valve actuating mechanism for flow rate sensing generally drives a worm to rotate through a motor, so that a worm wheel is driven to rotate, but if power failure, motor damage and the like happen, the motor cannot normally work, so that the valve cannot be normally opened, and normal life of people is influenced.

The above information disclosed in this background section is only for enhancement of understanding of the background of the disclosure and therefore it may contain information that does not constitute prior art that is already known to a person of ordinary skill in the art.

SUMMERY OF THE UTILITY MODEL

Therefore, embodiments of the present invention provide a flow rate sensing valve actuator to solve the problems in the prior art.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:

a valve actuating mechanism for sensing flow rate comprises a valve core shell, wherein a valve rod is arranged at the top of the valve core shell, an object placing plate is arranged at the top of the valve rod and fixedly connected with the valve core shell, the top end of the valve rod penetrates through the object placing plate, and a moving mechanism is arranged at the top of the object placing plate;

moving mechanism includes the threaded rod, threaded rod outer peripheral face movable sleeve is equipped with the thread bush, it is equipped with two movable plates to put thing board top, thread bush one side and relevant position's movable plate fixed connection, two be equipped with the motor between the movable plate, motor one end and relevant position's movable plate fixed connection, the motor front side is equipped with the worm, worm one end and motor output shaft tip fixed connection, just the one end that the motor was kept away from to the worm passes through bearing swing joint with the relevant position's movable plate, worm one side is equipped with the worm wheel, the worm wheel meshes with the worm mutually, the worm wheel fixed cover is established at the valve rod outer peripheral face, the worm wheel rear side is equipped with the position inductor.

Further, both sides all are equipped with the diaphragm around the worm wheel, two the diaphragm bottom all with put thing board fixed connection, position inductor fixed connection is in relevant position's diaphragm one side, two logical groove has all been seted up to diaphragm one side in opposite directions.

Furthermore, one end of the threaded rod extends into the through groove at the corresponding position, and the threaded rod is movably connected with the transverse plate at the corresponding position through a bearing.

Furthermore, one side of the worm, which is far away from the threaded rod, is provided with a slide bar, the slide bar is positioned inside the through groove at the corresponding position, and the two ends of the slide bar are fixedly connected with the transverse plate at the corresponding position.

Furthermore, the peripheral surface of the sliding rod is movably sleeved with a sliding block, and one side of the sliding block is fixedly connected with the transverse plate at the corresponding position.

Furthermore, the top of the worm wheel is provided with a turntable, and the bottom end of the turntable is fixedly connected with the top end of the worm wheel.

Furthermore, the bottom of the worm wheel is provided with two pulleys, and the top ends of the two pulleys are fixedly connected with the bottom end of the worm wheel.

Further, put the thing board top and seted up the spout, two the pulley bottom all extends into inside the spout, and two the pulley bottom all contacts with putting the thing board.

The embodiment of the utility model has the following advantages:

1. according to the utility model, the moving mechanism is arranged, the threaded rod is rotated to drive the threaded sleeve to move horizontally, and then the moving plate is driven to move horizontally, the motor is fixedly connected with the moving plate at the corresponding position, so that the moving plate drives the motor to move horizontally, the worm is driven by the motor to move horizontally, so that the worm is far away from the worm wheel and is not meshed with the worm wheel, the turntable is fixedly connected with the worm wheel, so that the turntable is rotated to drive the worm wheel to rotate, and when power failure, motor damage and the like occur, the manual operation of the turntable can be realized, the on-off state of the manual control valve is realized, the operation is simple, the use is convenient, and the application range is wide;

2. the worm wheel is arranged, the top end of the pulley is fixedly connected with the worm wheel, and the bottom end of the pulley extends into the chute, so that the worm wheel drives the pulley to rotate in the chute, the stability of the worm wheel is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

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

FIG. 2 is a perspective view of the present invention showing the placement board assembled with the cross board;

FIG. 3 is a perspective view of the worm gear and valve stem assembly of the present invention;

FIG. 4 is a perspective view of the threaded rod and slide rod assembly of the present invention;

in the figure: 1. a valve core shell; 2. a storage plate; 3. a transverse plate; 4. a worm; 5. a motor; 6. moving the plate; 7. A position sensor; 8. a threaded rod; 9. a through groove; 10. a turntable; 11. a worm gear; 12. a valve stem; 13. a chute; 14. a pulley; 15. a threaded sleeve; 16. a slide bar; 17. a slide block.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the utility model will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the utility model and that it is not intended to limit the utility model to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to the attached drawings 1-4 of the specification, a valve actuating mechanism for sensing flow velocity comprises a valve core shell 1, a valve rod 12 is arranged at the top of the valve core shell 1, an object placing plate 2 is arranged at the top of the valve rod 12, the object placing plate 2 is fixedly connected with the valve core shell 1, the top end of the valve rod 12 penetrates through the object placing plate 2, a moving mechanism is arranged at the top of the object placing plate 2, manual operation can be performed through a turntable 10, the on-off state of a manual control valve is achieved, the operation is simple, the use is convenient, the application range is wide, the moving mechanism comprises a threaded rod 8, the threaded sleeve 15 is conveniently driven to horizontally move, a threaded sleeve 15 is movably sleeved on the outer peripheral surface of the threaded rod 8, two moving plates 6 are arranged at the top of the object placing plate 2, one side of the threaded sleeve 15 is fixedly connected with the moving plate 6 at the corresponding position, a motor 5 is arranged between the two moving plates 6, the motor 5 works to drive a worm 4 to rotate the moving plate, one end of the motor 5 is fixedly connected with the moving plate 6 at the corresponding position, the front side of the motor 5 is provided with a worm 4, the worm 4 drives a worm wheel 11 to rotate, one end of the worm 4 is fixedly connected with the end part of an output shaft of the motor 5, one end, far away from the motor 5, of the worm 4 is movably connected with a movable plate 6 at a corresponding position through a bearing, one side of the worm 4 is provided with a worm wheel 11, the worm wheel 11 drives a valve rod 12 to rotate, the worm wheel 11 is meshed with the worm 4, the worm wheel 11 is fixedly sleeved on the outer peripheral surface of the valve rod 12, the rear side of the worm wheel 11 is provided with a position sensor 7, and the position sensor 7 senses the position of the worm wheel 11, so that the precision is improved.

Referring to the attached drawings 1-2 of the specification, both sides all are equipped with diaphragm 3 around the

worm wheel

11, 3 bottoms of two diaphragms all with put thing board 2 fixed connection, position sensor 7 fixed connection is in diaphragm 3 one side of relevant position, logical groove 9 has all been seted up to two diaphragm 3 one sides in opposite directions, it is spacing to carry out threaded rod 8, refer to the attached drawings 1 of the specification, 2 and 4, threaded rod 8 one end extends into inside logical groove 9 of relevant position, and threaded rod 8 passes through bearing swing joint with the diaphragm 3 of relevant position.

Referring to the attached drawing 4 of the specification, a slide rod 16 is arranged on one side, away from a threaded rod 8, of a worm 4, the slide rod 16 is convenient to move horizontally, the slide rod 16 is located inside a through groove 9 in a corresponding position, two ends of the slide rod 16 are fixedly connected with transverse plates 3 in corresponding positions, referring to the attached drawing 4 of the specification, a slide block 17 is movably sleeved on the outer peripheral surface of the slide rod 16, the slide block 17 moves on the slide rod 16, the stability of the worm 4 is improved, one side of the slide block 17 is fixedly connected with the transverse plates 3 in corresponding positions, referring to the attached drawing 1 of the specification, a rotary disc 10 is arranged on the top of a worm wheel 11, the rotary disc 10 drives the worm wheel 11 to rotate, and the bottom end of the rotary disc 10 is fixedly connected with the top end of the worm wheel 11.

Referring to description figure 3, 11 bottoms of worm wheel are equipped with two pulleys 14, and two 14 tops of pulleys all with 11 bottom fixed connection of worm wheel, refer to description figure 2, put 2 tops of thing board and seted up spout 13, and inside two 14 bottoms of pulleys all extended into spout 13, and two 14 bottoms of pulleys all contacted with putting thing board 2, and worm wheel 11 drives pulley 14 at 13 internal rotations of spout, improves worm wheel 11's stability.

The application process of the embodiment of the utility model is as follows:

because the end part of the output shaft of the motor 5 is fixedly connected with the worm 4, the motor 5 works to drive the worm 4 to rotate, because the worm 4 is meshed with the worm wheel 11, the worm 4 drives the worm wheel 11 to rotate, because the worm wheel 11 is fixedly sleeved on the outer peripheral surface of the valve rod 12, the worm wheel 11 drives the valve rod 12 to rotate, thereby changing the on-off state of the valve, simultaneously, the position of the worm wheel 11 is sensed through the position sensor 7, thereby improving the precision, because the threaded rod 8 is in threaded connection with the threaded sleeve 15, the threaded rod 8 is movably connected with the transverse plate 3 at the corresponding position through a bearing, the threaded sleeve 15 is fixedly connected with the movable plate 6 at the corresponding position, thereby limiting the threaded sleeve 15 to rotate, so that the threaded rod 8 is rotated to drive the threaded sleeve 15 to horizontally move, thereby driving the movable plate 6 to horizontally move, because the motor 5 is fixedly connected with the movable plate 6 at the corresponding position, thereby the movable plate 6 drives the motor 5 to horizontally move, the end part of the output shaft of the worm 4 and the motor 5 is fixedly connected, so the motor 5 drives the worm 4 to move horizontally, the worm 4 is far away from the worm wheel 11 and is not meshed with the worm wheel 11, and the rotary table 10 is fixedly connected with the worm wheel 11, so the rotary table 10 is rotated to drive the worm wheel 11 to rotate;

through setting up pulley 14, pulley 14 top and worm wheel 11 fixed connection, inside pulley 14 bottom extended into spout 13, and pulley 14 contacted with putting thing board 2, so worm wheel 11 drives pulley 14 and rotates in spout 13, improves worm wheel 11's stability, simultaneously because slide bar 16 both ends and the diaphragm 3 fixed connection of relevant position, slider 17 activity cover is established at slide bar 16 outer peripheral face, slider 17 and the movable plate 6 fixed connection of relevant position, so movable plate 6 drives slider 17 and moves on slide bar 16, improves worm 4's stability.

Although the utility model has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the utility model. Accordingly, such modifications and improvements are intended to be within the scope of the utility model as claimed.

In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship may be made without substantial changes in the technical content.

Claims

1. A flow rate sensing valve actuator comprising a spool housing (1), characterized in that: the valve core is characterized in that a valve rod (12) is arranged at the top of the valve core shell (1), an object placing plate (2) is arranged at the top of the valve rod (12), the object placing plate (2) is fixedly connected with the valve core shell (1), the object placing plate (2) penetrates through the top end of the valve rod (12), and a moving mechanism is arranged at the top of the object placing plate (2);

moving mechanism includes threaded rod (8), threaded rod (8) outer peripheral face activity cover is equipped with thread bush (15), it is equipped with two movable plates (6) to put thing board (2) top, thread bush (15) one side and relevant position's movable plate (6) fixed connection, two be equipped with motor (5) between movable plate (6), motor (5) one end and relevant position's movable plate (6) fixed connection, motor (5) front side is equipped with worm (4), worm (4) one end and motor (5) output shaft end fixed connection, just motor (5) are kept away from in worm (4) one end and relevant position's movable plate (6) pass through bearing swing joint, worm (4) one side is equipped with worm wheel (11), worm wheel (11) mesh with worm (4), the fixed cover of worm wheel (11) is established at valve rod (12) outer peripheral face, and a position sensor (7) is arranged on the rear side of the worm wheel (11).

2. A flow sensing valve actuator as defined in claim 1 wherein: both sides all are equipped with diaphragm (3), two around worm wheel (11) diaphragm (3) bottom all with put thing board (2) fixed connection, position inductor (7) fixed connection is in diaphragm (3) one side of relevant position, two logical groove (9) have all been seted up to diaphragm (3) one side in opposite directions.

3. A flow sensing valve actuator as defined in claim 2 wherein: threaded rod (8) one end extends into corresponding position's logical groove (9) inside, just threaded rod (8) pass through bearing swing joint with corresponding position's diaphragm (3).

4. A flow sensing valve actuator as defined in claim 2 wherein: one side of the worm (4) far away from the threaded rod (8) is provided with a sliding rod (16), the sliding rod (16) is located inside the through groove (9) at the corresponding position, and the two ends of the sliding rod (16) are fixedly connected with the transverse plate (3) at the corresponding position.

5. A flow sensing valve actuator as defined in claim 4 wherein: the outer peripheral surface of the sliding rod (16) is movably sleeved with a sliding block (17), and one side of the sliding block (17) is fixedly connected with the transverse plate (3) at the corresponding position.

6. A flow sensing valve actuator as defined in claim 1 wherein: the top of the worm wheel (11) is provided with a turntable (10), and the bottom end of the turntable (10) is fixedly connected with the top end of the worm wheel (11).

7. A flow sensing valve actuator as defined in claim 1 wherein: two pulleys (14) are arranged at the bottom of the worm wheel (11), and the top ends of the pulleys (14) are fixedly connected with the bottom end of the worm wheel (11).

8. A flow sensing valve actuator as defined in claim 7 wherein: put thing board (2) top and seted up spout (13), two inside pulley (14) bottom all extended into spout (13), and two pulley (14) bottom all contacted with putting thing board (2).