CN215568305U

CN215568305U - Opening angle positioning device of electric valve

Info

Publication number: CN215568305U
Application number: CN202121781578.7U
Authority: CN
Inventors: 杨俊�; 虞晨翔; 徐岷; 顾伟民; 黎睿智
Original assignee: Shanghai Baochuan Automatic Control Complete Equipment Co ltd
Current assignee: Shanghai Baochuan Automatic Control Complete Equipment Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-01-18
Anticipated expiration: 2031-08-02

Abstract

The utility model relates to an opening angle positioning device of an electric valve, which comprises a driving shell, wherein a valve body is arranged at the bottom of the driving shell, a pointer structure is arranged at the top of the driving shell, a turbine is rotatably connected to the inner side of the driving shell, an annular groove is formed in the top of the turbine, a valve rod is arranged at the bottom of the turbine, an angle positioning structure is arranged at the inner side of the driving shell, and the angle positioning structure comprises two hydraulic push rods fixedly connected to the inner top wall of the driving shell, an annular plate fixedly connected between the bottom ends of the two hydraulic push rods, an inserting plate fixedly connected to the bottom of the annular plate, and a friction plate fixedly connected to the bottom of the inserting plate. This electric valve's opening angle positioner drives the worm through driving motor and rotates to drive the turbine and rotate, drive the valve rod and rotate and open the valve, drive structural connecting rod of pointer and pointer rotation when the pivoted, thereby audio-visual show pivoted angle, the control opening angle of being convenient for.

Description

Opening angle positioning device of electric valve

Technical Field

The utility model relates to the technical field of electric valves, in particular to an opening angle positioning device of an electric valve.

Background

The electric valve has larger action moment than that of a common valve, the opening and closing action speed of the electric valve can be adjusted, the structure is simple, the maintenance is easy, and the electric valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.

The switch of electric valve is generally all to open or close entirely, and to the pipeline that needs flow control, electric valve need control opening angle to control pipeline is through the flow of valve, and when traditional valve department opened, because its location is firm inadequately, under great impact, it is not hard up to produce easily, leads to opening angle to change, and the angle of opening is difficult for audio-visual control.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the opening angle positioning device of the electric valve, which has the advantages of convenience in controlling the opening angle, stable angle positioning and the like, and solves the problems that the traditional electric valve is inconvenient in controlling the opening angle and the angle positioning is not stable enough.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an electric valve's opening angle positioner, includes the drive shell, the bottom of drive shell is provided with the valve body, the top of drive shell is provided with the pointer structure, the inboard of drive shell is rotated and is connected with the turbine, and the ring channel has been seted up at the top of turbine, the bottom of turbine is provided with the valve rod, the inboard of drive shell is provided with angle location structure, angle location structure includes hydraulic push rod, the annular slab of fixed connection between two hydraulic push rod bottoms of two fixed connection roof in the drive shell, fixed connection is in the picture peg of annular slab bottom to and the friction plate of fixed connection in the picture peg bottom.

Furthermore, a driving motor is fixedly mounted on the left side wall of the driving shell, a worm is fixedly connected to an output shaft of the driving motor, and the worm is meshed with a turbine located on the back of the worm.

Furthermore, pointer structure includes the connecting rod of fixed connection at the turbine top, the pointer of fixed connection in the connecting rod outside, fixed connection is at the translucent cover at drive shell top to and the calibrated scale of fixed connection at drive shell top.

Furthermore, the inserting plate and the friction plate are both annular, and are positioned right above the annular groove.

Further, the top end of the connecting rod penetrates through the driving shell and extends to the top of the driving shell, and the connecting rod is located on the inner side of the transparent cover.

Further, the dial is located the inboard of translucent cover, and the dial is located the below of pointer.

(III) advantageous effects

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this electric valve's opening angle positioner drives the worm through driving motor and rotates to drive the turbine and rotate, drive the valve rod and rotate and open the valve, drive structural connecting rod of pointer and pointer rotation when the pivoted, thereby audio-visual show pivoted angle, the control opening angle of being convenient for.

2. According to the opening angle positioning device of the electric valve, the annular plate, the inserting plate and the friction plate are pushed downwards through the hydraulic push rod, the inserting plate and the friction plate are connected with the annular groove in an inserting mode, the friction plate is tightly attached to the friction pad in the annular groove, the turbine is tightly pressed, friction and skid resistance are achieved, the turbine is prevented from rotating under impact, and when the valve is opened, the positioning stability of the opening angle is improved.

Drawings

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

FIG. 2 is a partial cross-sectional view of a structure of the present invention;

fig. 3 is a front view of the angular positioning structure of the present invention.

In the figure: 100 drive housing, 200 valve body, 300 pointer structure, 400 angle positioning structure, 101 worm wheel, 102 valve rod, 103 annular groove, 104 drive motor, 105 worm, 310 connecting rod, 320 pointer, 330 transparent cover, 340 dial, 410 hydraulic push rod, 420 annular plate, 430 insert plate, 440 friction plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 fig. 1 to 3, the opening angle positioning device of an electric valve in the present embodiment includes a driving housing 100, a valve body 200 fixedly mounted at the bottom of the driving housing 100, a pointer structure 300 fixedly mounted at the top of the driving housing 100, a turbine 101 rotatably connected to the inside of the driving housing 100, an annular groove 103 formed at the top of the turbine 101, a valve rod 102 fixedly connected to the bottom of the turbine 101, and an angle positioning structure 400 fixedly mounted at the inside of the driving housing 100.

The angle positioning structure 400 comprises two hydraulic push rods 410 fixedly connected to the inner top wall of the drive housing 100, an annular plate 420 fixedly connected between the bottom ends of the two hydraulic push rods 410, an insertion plate 430 fixedly connected to the bottom of the annular plate 420, and a friction plate 440 fixedly connected to the bottom of the insertion plate 430, wherein the insertion plate 430 and the friction plate 440 are both annular, the insertion plate 430 and the friction plate 440 are both located right above the annular groove 103, the insertion plate 430 and the friction plate 440 are matched with the annular groove 103 in shape, a friction pad is fixedly connected to the inner bottom wall of the annular groove 103, the friction pad and the friction plate 440 are tightly attached to each other to lift the friction force between each other, the annular plate 420 is pushed by the hydraulic push rods 410 to move downwards, the annular plate 420 pushes the insertion plate 430 and the friction plate 440 to move downwards, so that the insertion plate 430 and the friction plate 440 are inserted into the annular groove 103, thereby positioning the turbine 101.

The left side wall of the driving shell 100 is fixedly provided with a driving motor 104, an output shaft of the driving motor 104 is fixedly connected with a worm 105, the worm 105 is meshed with a worm wheel 101 positioned on the back of the worm 105, the driving motor 104 drives the worm 105 to rotate, the worm 105 drives the worm wheel 101 to rotate, the worm 101 drives a valve rod 102 to open a valve, and the driving motor 104 can be a stepping motor and is convenient for controlling the rotation angle of the worm wheel 101.

The pointer structure 300 includes a connecting rod 310 fixedly connected to the top of the turbine 101, an indicating needle 320 fixedly connected to the outer side of the connecting rod 310, a transparent cover 330 fixedly connected to the top of the driving housing 100, and a dial 340 fixedly connected to the top of the driving housing 100, the top end of the connecting rod 310 penetrates through the driving housing 100 and extends to the top of the driving housing 100, the connecting rod 310 is located inside the transparent cover 330, the dial 340 is located inside the transparent cover 330, and the dial 340 is located below the indicating needle 320, when the turbine 101 rotates, the connecting rod 310 is driven to rotate synchronously, the connecting rod 310 drives the indicating needle 320 to rotate, so that scales on the dial 340 correspond to each other, and a specific rotating angle can be observed conveniently.

The working principle of the above embodiment is as follows:

(1) the worm 105 is driven to rotate by the driving motor 104, the worm 105 drives the worm wheel 101 to rotate, the worm wheel 101 drives the connecting rod 310 and the indicating needle 320 to rotate, the rotating angle is displayed synchronously, and the opening angle is adjusted more intuitively.

(2) The annular plate 420, the inserting plate 430 and the friction plate 440 are pushed downwards by the hydraulic push rod 410, so that the inserting plate 430 and the friction plate 440 are inserted into the annular groove 103, the friction plate 440 is tightly attached to the bottom wall of the annular groove 103, the turbine 101 is locked, the turbine 101 is prevented from rotating under impact, and the angular positioning stability under the condition of opening the valve is improved.

Compared with the prior art: drive worm 105 through driving motor 104 and rotate, thereby drive turbine 101 and rotate, drive valve rod 102 and rotate and open the valve, drive connecting rod 310 and pointer 320 on the pointer structure 300 and rotate simultaneously, thereby the pivoted angle of direct show, be convenient for control opening angle, promote annular plate 420 through hydraulic push rod 410 downwards, picture peg 430 and friction plate 440, make picture peg 430 and friction plate 440 peg graft with ring channel 103, and friction plate 440 hugs closely with the friction pad in ring channel 103, thereby compress tightly turbine 101, the friction is anti-skidding, prevent turbine 101 from taking place the rotation under the impact, when the valve is opened, promote opening angle's positional stability, the problem of traditional electric valve be not convenient for control opening angle, and the angular positioning is stable inadequately is solved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An opening angle positioner of electric valve, includes drive shell (100), the bottom of drive shell (100) is provided with valve body (200), its characterized in that: the top of the driving shell (100) is provided with a pointer structure (300), the inner side of the driving shell (100) is rotatably connected with a turbine (101), the top of the turbine (101) is provided with an annular groove (103), the bottom of the turbine (101) is provided with a valve rod (102), and the inner side of the driving shell (100) is provided with an angle positioning structure (400);

the angle positioning structure (400) comprises two hydraulic push rods (410) fixedly connected to the inner top wall of the driving shell (100), an annular plate (420) fixedly connected between the bottom ends of the two hydraulic push rods (410), an inserting plate (430) fixedly connected to the bottom of the annular plate (420), and a friction plate (440) fixedly connected to the bottom of the inserting plate (430).

2. An opening angle positioning device of an electrically operated valve as set forth in claim 1, wherein: a driving motor (104) is fixedly mounted on the left side wall of the driving shell (100), an output shaft of the driving motor (104) is fixedly connected with a worm (105), and the worm (105) is meshed with a turbine (101) located on the back of the worm (105).

3. An opening angle positioning device of an electrically operated valve as set forth in claim 1, wherein: the pointer structure (300) comprises a connecting rod (310) fixedly connected to the top of the turbine (101), a pointer (320) fixedly connected to the outer side of the connecting rod (310), a transparent cover (330) fixedly connected to the top of the driving shell (100), and a dial (340) fixedly connected to the top of the driving shell (100).

4. An opening angle positioning device of an electrically operated valve as set forth in claim 1, wherein: the inserting plate (430) and the friction plate (440) are both annular in shape, and the inserting plate (430) and the friction plate (440) are both positioned right above the annular groove (103).

5. An opening angle positioning device of an electrically operated valve as set forth in claim 1, wherein: the shapes of the inserting plate (430) and the friction plate (440) are matched with the shape of the annular groove (103), and a friction pad is fixedly connected to the inner bottom wall of the annular groove (103).

6. An opening angle positioning device of an electrically operated valve as set forth in claim 3, wherein: the top end of the connecting rod (310) penetrates through the driving shell (100) and extends to the top of the driving shell (100), and the connecting rod (310) is positioned on the inner side of the transparent cover (330).

7. An opening angle positioning device of an electrically operated valve as set forth in claim 3, wherein: the dial (340) is located inside the transparent cover (330), and the dial (340) is located below the pointer (320).