CN212928801U

CN212928801U - Soft sealing electric butterfly valve

Info

Publication number: CN212928801U
Application number: CN202021854874.0U
Authority: CN
Inventors: 张旗
Original assignee: Jiangsu Yichuang Automatic Control Valve Co ltd
Current assignee: Jiangsu Yichuang Automatic Control Valve Co ltd
Priority date: 2020-08-30
Filing date: 2020-08-30
Publication date: 2021-04-09
Anticipated expiration: 2030-08-30

Abstract

The utility model discloses a soft sealing electric butterfly valve, including motor, box body and valve body, the transmission is connected with the worm on the motor, the bottom fixedly connected with casing of box body, the inside of casing is equipped with the gearbox, the bottom fixedly connected with valve body of casing, the top transmission of gearbox is connected with the worm, and the bottom transmission of gearbox is connected with the valve rod that runs through the valve body. The utility model discloses in, at first, be equipped with the variable speed transmission structure, worm drive is with higher speed the back to the gearbox, the valve rod drives the butterfly lamella and rotates, gear drive to pointer, the settlement of this structure, the variable speed transmission of valve rod has been realized, time saving and labor saving, secondly, adopt soft seal structure, when not starting, electric butterfly valve plays the effect of stop valve, soft sealing washer laminating valve body inner wall this moment plays sealed effect, two sets of V type shell fragments support holistic soft sealing washer simultaneously, the settlement of this structure, the soft sealing of electromagnetic butterfly valve has been realized, the soft sealed performance of electric butterfly valve has been improved.

Description

Soft sealing electric butterfly valve

Technical Field

The utility model relates to an electric butterfly valve technical field especially relates to a soft sealing electric butterfly valve.

Background

The electric butterfly valve belongs to one of electric valve and electric control valve. The electric butterfly valve mainly has the following connection modes: flange and wafer type; the sealing form of the electric butterfly valve mainly comprises: rubber seals and metal seals. The electric butterfly valve controls the opening and closing of the butterfly valve through a power signal. The product can be used as a shut-off valve, a control valve and a check valve of a pipeline system. However, most of the existing electric butterfly valves still have the defects that: firstly, the motor of most current electric butterfly valves can not realize the variable speed, and it is hard to use to waste time, and most of electric butterfly valves turned angle can not direct measurement, and secondly, the soft sealing performance of most current electric butterfly valves is relatively poor, and life is shorter.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the soft sealing electric butterfly valve is provided in order to solve the problems that the motors of most of the existing electric butterfly valves can not change speed and waste time and labor during use.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a soft sealing electric butterfly valve, includes motor, box body and valve body, the transmission is connected with the worm on the motor, the bottom fixedly connected with casing of box body, the inside of casing is equipped with the gearbox, the bottom fixedly connected with valve body of casing, the top transmission of gearbox is connected with the worm, and the bottom transmission of gearbox is connected with the valve rod that runs through the valve body, the inside fixedly connected with butterfly lamella that lies in the valve body on the valve rod, the inside of box body be equipped with worm assorted gear, and the transmission is connected with the pointer that runs through the box body on the gear.

As a further description of the above technical solution:

the top of the box body is positioned at the center of the box body and is provided with a motor.

As a further description of the above technical solution:

and an O-shaped ring matched with the valve rod is arranged in the shell.

As a further description of the above technical solution:

the butterfly valve is fixedly connected with a soft sealing ring, and two groups of V-shaped elastic sheets which are distributed in a centrosymmetric manner are arranged on the soft sealing ring.

As a further description of the above technical solution:

the angle display meter matched with the pointer is installed at the front end of the pointer on the box body, and a power switch is installed below the angle display meter.

As a further description of the above technical solution:

and a fixing buckle is fixedly connected between the two groups of V-shaped elastic sheets on the valve rod.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. in the utility model, a variable speed transmission structure is arranged, the bottom of the box body is fixedly connected with a shell, the inside of the shell is provided with a gearbox, the bottom of the shell is fixedly connected with a valve body, the top of the gearbox is in transmission connection with a worm, the bottom of the gearbox is in transmission connection with a valve rod penetrating through the valve body, the inside of the valve rod positioned on the valve body is fixedly connected with a butterfly valve, the inside of the box body is provided with a gear matched with the worm, and the gear is in transmission connection with a pointer penetrating through the box body, when in use, the motor drives the worm to rotate, the worm is transmitted to the valve rod after the gearbox accelerates, the valve rod drives the butterfly valve to rotate, simultaneously the worm drives the gear to rotate, the gear is transmitted to the pointer, thereby the rotating angle of the butterfly valve can be observed on an angle display meter, time and labor are saved.

2. The utility model discloses in, adopt soft seal structure, fixedly connected with soft sealing washer on the butterfly lamella, and install two sets of V type shell fragments that are central symmetric distribution on the soft sealing washer, be located the fixed knot of fixedly connected with on the valve rod between two sets of V type shell fragments, during the use, when electric butterfly valve does not start, electric butterfly valve plays the effect of stop valve, soft sealing washer tightly laminates the valve body inner wall this moment, play sealed effect that ends, two sets of V type shell fragments support holistic soft sealing washer simultaneously, the settlement of this structure, the soft sealing of electromagnetic butterfly valve has been realized, the soft sealed performance of electric butterfly valve has been improved simultaneously, support through V type shell fragment, the life of soft sealing washer has been prolonged.

Drawings

Fig. 1 shows a front view provided in accordance with an embodiment of the present invention;

fig. 2 shows a front cross-sectional view provided in accordance with an embodiment of the present invention;

fig. 3 shows a side view provided in accordance with an embodiment of the present invention.

Illustration of the drawings:

1. a motor; 2. a box body; 3. a gear; 4. a housing; 5. a valve body; 6. a V-shaped elastic sheet; 601. a fixing buckle; 7. an O-shaped ring; 8. a gearbox; 9. a worm; 10. a soft seal ring; 11. a valve stem; 12. a butterfly flap; 13. an angle display meter; 1301. a pointer; 14. and a power switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a soft sealing electric butterfly valve, including motor 1, box body 2 and valve body 5, the transmission is connected with worm 9 on the motor 1, the bottom fixedly connected with casing 4 of box body 2, the inside of casing 4 is equipped with gearbox 8, the bottom fixedly connected with valve body 5 of casing 4, gearbox 8's top transmission is connected with worm 9, and gearbox 8's bottom transmission is connected with the valve rod 11 that runs through valve body 5, the inside fixedly connected with butterfly lamella 12 that lies in valve body 5 on the valve rod 11, the inside of box body 2 be equipped with 9 assorted gears 3 with the worm, and the transmission is connected with the pointer 1301 that runs through box body 2 on gear 3, gearbox 8's settlement, be for improving electric butterfly valve's work efficiency, time saving and labor saving.

Specifically, as shown in fig. 1 to 3, the motor 1 is mounted at the center of the box body 2 on the top of the box body 2.

Specifically, as shown in fig. 2, an O-ring 7 matching with the valve rod 11 is arranged inside the housing 4, and the O-ring 7 is set to play a role in sealing, so as to prevent liquid from permeating into the electromagnetic butterfly valve and prolong the service life of the electronic butterfly valve.

Specifically, as shown in fig. 1 and 2, a soft seal ring 10 is fixedly connected to the butterfly valve 12, two groups of V-shaped elastic pieces 6 are installed on the soft seal ring 10 and are distributed in a central symmetry manner, a fixing buckle 601 is fixedly connected to the valve rod 11 between the two groups of V-shaped elastic pieces 6, and the V-shaped elastic pieces 6 are set to support the soft seal ring 10, so that the sealing performance inside the valve body 5 is improved.

Specifically, as shown in fig. 1, an angle display table 13 matched with the pointer 1301 is installed at the front end of the pointer 1301 on the box body 2, and a power switch 14 is installed below the angle display table 13 to set the angle display table 13 and the pointer 1301, so as to visually adjust the angle of the valve, thereby facilitating the control of the liquid flow rate.

The working principle is as follows: when the electric butterfly valve is used, the electric butterfly valve is installed at a proper position, when the electric butterfly valve needs to be used, the motor 1 is started through the power switch 14, the motor 1 is transmitted to the gearbox 8, the motor is further accelerated through the gearbox 8 and then transmitted to the valve rod 11, the valve rod 11 drives the butterfly valve 12 to rotate, the angle between the butterfly valve 12 and the valve body 5 is adjusted, so that the liquid flow rate is controlled, meanwhile, the rotating angle of the butterfly valve 12 can be observed through the angle display meter 13, the rotating angle of the electric butterfly valve is visualized, the rotating speed is accelerated, the working efficiency of the electric butterfly valve is improved, time and labor are saved, after the electric butterfly valve is used, when the electric butterfly valve is closed, the soft sealing ring 10 is in a liquid phase, meanwhile, the V-shaped elastic sheet 6 plays a supporting.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a soft sealed electric butterfly valve, includes motor (1), box body (2) and valve body (5), its characterized in that, motor (1) goes up the transmission and is connected with worm (9), the bottom fixedly connected with casing (4) of box body (2), the inside of casing (4) is equipped with gearbox (8), the bottom fixedly connected with valve body (5) of casing (4), the top transmission of gearbox (8) is connected with worm (9), and the bottom transmission of gearbox (8) is connected with valve rod (11) that runs through valve body (5), lie in the inside fixedly connected with butterfly flap (12) of valve body (5) on valve rod (11), the inside of box body (2) be equipped with worm (9) assorted gear (3), and the transmission is connected with pointer (1301) that run through box body (2) on gear (3).

2. A soft seal electric butterfly valve according to claim 1, characterized in that the motor (1) is mounted at the top of the box (2) in the centre of the box (2).

3. A soft seal electric butterfly valve according to claim 1, characterised in that the housing (4) is internally provided with an O-ring (7) matching the valve stem (11).

4. The flexible sealing electric butterfly valve according to claim 1, characterized in that a flexible sealing ring (10) is fixedly connected to the butterfly flap (12), and two sets of V-shaped elastic pieces (6) are installed on the flexible sealing ring (10) and are distributed in a central symmetry manner.

5. The soft sealing electric butterfly valve according to claim 1, characterized in that an angle display meter (13) matched with the pointer (1301) is installed at the front end of the pointer (1301) on the box body (2), and a power switch (14) is installed below the angle display meter (13).

6. A soft sealing electric butterfly valve according to claim 4, characterized in that a fixing buckle (601) is fixedly connected between the two groups of V-shaped spring plates (6) on the valve rod (11).