CN211398617U

CN211398617U - Electric sealing butterfly valve

Info

Publication number: CN211398617U
Application number: CN201922295058.4U
Authority: CN
Inventors: 袁晓红
Original assignee: Tianjin North Hongtai Valve Co ltd
Current assignee: Tianjin North Hongtai Valve Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-09-01
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses an electric sealing butterfly valve, which comprises a valve body, wherein a valve shaft is arranged in the valve body and extends out of the valve body from the top end of the valve body, the outer side wall of the valve shaft is positioned in the valve body and is fixedly connected with a valve plate, the inner side wall of the valve body is positioned on two sides of a groove, the groove is positioned on two sides of the valve shaft, the power input end of the valve shaft is connected with the power output end of a motor A, and the bottom end of the motor A is fixedly provided with a speed reducer, the water flow can be better controlled without manual operation.

Description

Electric sealing butterfly valve

Technical Field

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

Background

A butterfly valve, also called a flap valve, is a regulating valve with a simple structure, and can be used for on-off control of low-pressure pipeline media, namely a valve with a closing part (a valve clack or a butterfly plate) which is a disc and rotates around a valve shaft to open and close, wherein the valve plate 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 pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.

But the traditional butterfly valve still has the drawback: 1. the angle of the valve plate is difficult to accurately grasp by personnel operation, so that the flow of liquid cannot be accurately controlled, the valve plate needs great strength when rotated, and manual operation is difficult. 2. The butterfly valve is mainly used for cutting off or throttling various types of fluids such as water, various corrosive media, liquid metal and the like in a pipeline, so that the sealing performance is important, but the sealing performance of the traditional butterfly valve is not good.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric sealing butterfly valve lets in the shrink on fixed connection's the electro-magnet on the valve plate after the external power source and drives the plastics limit, and when needs are sealed, the plastics limit expandes to constitute circular limit and supports the rubber air cushion and make the rubber air cushion support the recess, forms sealedly, adds the one deck guarantee again and makes sealed effect better in original technique, the utility model discloses can install appurtenance through the rotation of motor A control valve plate on the butterfly valve, the flow of control water that can be better need not be operated with manpower, can effectively solve the problem in the background art.

The utility model provides a specific technical scheme as follows:

the utility model provides an electric sealing butterfly valve, which comprises a top plate and a bottom plate, and comprises a valve body, wherein a valve shaft is arranged in the valve body and penetrates through the top end of the valve body to extend out of the valve body, the outer side wall of the valve shaft is arranged in the valve body and is fixedly connected with a valve plate, the inner side wall of the valve body is arranged on two sides of the valve shaft and is fixedly provided with a groove, the power input end of the valve shaft is connected with the power output end of a motor A, the bottom end of the motor A is fixedly provided with a reducer, the surface of the valve plate is fixedly provided with a rubber air cushion, an electromagnet is fixedly arranged in the rubber air cushion and is electrically connected with the power input end of the electromagnet and the power output end of a motor B, the bottom end of the electromagnet is fixedly connected with the circle center, and a spring A is arranged on the outer side wall of the hydraulic rod, one end of the spring A is fixedly connected with the other end of the electromagnet, the other end of the spring A is fixedly connected with the plastic edge, and a spring B is fixedly arranged in the plastic edge.

Optionally, the outer side wall of the valve shaft is located outside the valve body and fixedly connected with a bearing sleeve and a disc fixedly connected with the outer side wall of the bearing sleeve, and the outer side wall of the valve shaft is close to the top end fixedly connected with a supporting rod.

Optionally, the surface of the motor a is provided with an operating switch a, and the side end of the valve body is provided with an operating switch B.

The utility model has the advantages as follows:

1. the utility model discloses after letting in external power source, the rotation of motor A control valve shaft, thereby the rotation of control valve plate, branch is parallel with the valve plate, can understand the angle condition of valve plate through the branch angle, can oneself mark regional control flow volume (the flow can be according to the angular adjustment of valve plate, mark angle region on the disc, convenient operation), open operating switch A, motor A begins rotatoryly, adjust your required flow volume through branch and disc, the reduction gear can reduce motor A's rotational speed, it is easier to let the operation, do not need directly to rotate the valve shaft with the manual work, the flow volume can be controlled better through the auxiliary operation of disc and branch, can effectively solve the problem of the good control of flow volume and the manual work difficult operation in the background art.

2. After the utility model is connected with an external power supply, when a pipeline needs to be sealed, an operation switch B is opened, a motor B charges electric energy into an electromagnet, the electromagnet starts to have magnetism, force to the electromagnet is exerted on an iron block, thereby driving a plastic edge to move inwards, a spring A compresses, a hydraulic rod is shortened, the plastic edge can compress the volume through extrusion, the inner spring B of the plastic edge can contract through mutual extrusion between the plastic edges, thus the angle of a valve plate can be conveniently moved, when the valve plate moves to a sealing position, the operation switch B is closed, the electromagnet does not have magnetism, the plastic edge stretches outwards, when the plastic edge is not extruded, the inner spring B of the plastic edge stretches towards two sides to form a round edge to support a rubber air cushion, the hydraulic rod then stretches a round edge formed by plastic edges for supporting action to correspond to a groove, the round edge is installed into the groove to form a sealing structure, therefore, on the original basis, a sealing structure is added, the sealing effect is better, and the problem of poor sealing performance in the background technology can be effectively solved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of an electric sealing butterfly valve according to an embodiment of the present invention;

fig. 2 is a side view of an electrically sealed butterfly valve according to an embodiment of the present invention;

fig. 3 is a schematic view of a connection structure between an electromagnet and a plastic edge of an electric sealing butterfly valve according to an embodiment of the present invention;

fig. 4 is a schematic view of a connection structure between an electromagnet of an electric sealing butterfly valve and a motor B according to an embodiment of the present invention;

fig. 5 is a schematic view of a single plastic edge surface connection structure of an electromagnet of an electric sealing butterfly valve according to an embodiment of the present invention;

fig. 6 is a schematic view of a plastic edge compression structure of an electromagnet of an electric sealing butterfly valve according to an embodiment of the present invention;

fig. 7 is a circuit diagram of an electromagnet of an electric sealing butterfly valve according to an embodiment of the present invention.

In the figure: 1. a valve body; 2. a valve shaft; 3. a valve plate; 4. a bearing housing; 5. a disc; 6. a motor A; 7. a strut; 8. a speed reducer; 9. a rubber air cushion; 10. an electromagnet; 11. a motor B; 12. a hydraulic lever; 13. a plastic edge; 14. a spring A; 15. a spring B; 16. a groove; 17. an iron block; 18. an operating switch A; 19. the switch B is operated.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

An electric sealing butterfly valve according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 7.

Referring to fig. 1, 2, 3, 4, 5 and 6, an electric sealing butterfly valve provided by an embodiment of the present invention includes a valve body 1, a valve shaft 2 is installed inside the valve body 1 and the valve shaft 2 penetrates through the top end of the valve body 1 and extends out of the valve body 1, a valve plate 3 is fixedly connected to the outer side wall of the valve shaft 2 inside the valve body 1, grooves 16 are fixedly installed on both sides of the inner side wall of the valve body 1 located on the valve shaft 2, a power input end of the valve shaft 2 is connected to a power output end of a motor a6 and a speed reducer 8 is fixedly installed at the bottom end of a motor a6, a rubber air cushion 9 is fixedly installed on the surface of the valve plate 3, an electromagnet 10 is fixedly installed inside the rubber air cushion 9 and an electric input end of the electromagnet 10 is electrically connected to an electric output end of a motor B11, a bottom end of the electromagnet 10 is fixedly connected to a circle center of, equal fixedly connected with iron plate 17 in hydraulic stem 12 top and iron plate 17 top fixedly connected with plastics limit 13, install spring A14 and spring A14 one end and the electro-magnet 10 fixed connection other end and plastics limit 13 fixed connection on the hydraulic stem 12 lateral wall, the inside fixed mounting in plastics limit 13 has spring B15.

Referring to fig. 1 and 2, the outer side wall of the valve shaft 2 is fixedly connected with a bearing sleeve 4 outside the valve body 1, the outer side wall of the bearing sleeve 4 is fixedly connected with a disc 5, the outer side wall of the valve shaft 2 is fixedly connected with a support rod 7 near the top end, and the design aims to assist the operation of the motor a6 and can more specifically understand the angle problem of the inner valve plate 3.

Referring to fig. 1, 2 and 7, an operating switch a18 is mounted on the surface of the motor a, and an operating switch B19 is mounted at the side end of the valve body 1. It should be noted that the operation switch a18 controls the operation of the motor a6, and the operation switch B19 controls the operation of the motor B11.

The embodiment of the utility model provides an electric sealing butterfly valve, after letting in external power supply, the rotation of motor A7 control valve shaft 2, thereby control the rotation of valve plate 3, branch 7 is parallel with valve plate 3, can know the angle condition of valve plate 3 through branch 7 angle, can divide regional control flow quantity (flow quantity can be according to the angular adjustment of valve plate 3, mark the angle region on the disc 5, convenient operation) by oneself on the disc 5, open operating switch A18, motor A7 begins to rotate, adjust your required flow quantity through branch 7 and disc 5, reduction gear 8 can reduce the rotational speed of motor A6, make the operation easier, do not need to directly rotate valve shaft 2 with the manual work, control flow quantity better through the auxiliary operation of disc 5 and branch 7, when needing the sealed tube, open operating switch B19, motor B11 fills the electric energy for electro-magnet 10, the electromagnet 10 starts to have magnetism, force to the electromagnet 10 is applied to the iron block 17, so that the plastic edge 13 (the plastic edge 13 is divided into three sections, and referring to fig. 5 and 6, the left section and the right section can be pressed into the middle part through extrusion) is driven to move inwards, the spring A14 is compressed, the hydraulic rod 12 is also contracted, the plastic edge 13 can compress the volume, the spring B15 in the plastic edge 13 is contracted through mutual extrusion between the plastic edges 13, so that the angle of the valve plate 3 can be conveniently moved, when the valve plate 3 moves to the sealing position, the operation switch B19 is closed, the electromagnet 10 does not have magnetism, the plastic edge 13 stretches outwards, when the plastic edges 13 are not extruded, the spring B15 in the plastic edge 13 stretches towards two sides to form a round edge to abut against the rubber air cushion 9 (the rubber air cushion 9 is designed to be particularly thin and made of polytetrafluoroethylene to resist corrosion, rubber air cushion 9 internal seal, the cylinder volume that volume size and plastics limit 13 are constituteed is the same), hydraulic stem 12 also follows the extension to play the supporting role, and the circle limit that plastics limit 13 is constituteed is corresponding with recess 16, and recess 16 is installed into to the circle limit, constitutes seal structure, like this on original basis, has added a seal structure again, and sealed effect is better.

The utility model relates to an electric sealing butterfly valve, which comprises a motor A6 (model: 42HD0401 manufacturer: Anchuan), a reducer 8(2LK6A-C manufacturer: Xinwei Euro electromechanical equipment), an electromagnet 10 (model: SA-2502 manufacturer: Mingshan electric), a motor B11 (model GW4058-31ZY manufacturer: Chihai), a hydraulic rod 12 (model: QD-15X 660X 240 100N manufacturer: Yangzhou Shanzhou Shancheng Cheng good pneumatic component), an operating switch A18 (model: KAO-510A manufacturer: middle-right button) and an operating switch B19 (model: KAO-510A manufacturer: middle-right button), wherein the electrical components are all prior art products, and the electrical components are selected, installed and completed debugging operations of the circuit according to the use requirements by the technicians in the field to ensure that all the electrical appliances can normally work, and the components are all general standard components or the components known by the technicians in the field, the structure and principle are known to the skilled person through technical manuals or through routine experimentation, and the applicant is not specifically limited herein.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. An electric sealing butterfly valve comprises a valve body (1) and is characterized in that a valve shaft (2) is arranged inside the valve body (1), the valve shaft (2) penetrates through the top end of the valve body (1) and extends out of the valve body (1), the outer side wall of the valve shaft (2) is located inside the valve body (1) and is fixedly connected with a valve plate (3), grooves (16) are fixedly arranged on the two sides of the inner side wall of the valve body (1) and are located on the two sides of the valve shaft (2), the power input end of the valve shaft (2) is connected with the power output end of a motor A (6), a speed reducer (8) is fixedly arranged at the bottom end of the motor A (6), a rubber air cushion (9) is fixedly arranged on the surface of the valve plate (3), an electromagnet (10) is fixedly arranged inside the rubber air cushion (9), the power input end of the electromagnet (10) is electrically connected with the, fixedly connected with hydraulic stem (12) and hydraulic stem (12) quantity are four on the lateral wall of electro-magnet (10), the equal fixedly connected with iron plate (17) in hydraulic stem (12) top and iron plate (17) top fixedly connected with plastics limit (13), install spring A (14) and spring A (14) one end and electro-magnet (10) fixed connection other end and plastics limit (13) fixed connection on hydraulic stem (12) lateral wall, plastics limit (13) inside fixed mounting has spring B (15).

2. The electric sealing butterfly valve according to claim 1, wherein a bearing sleeve (4) is fixedly connected to the outer side wall of the valve shaft (2) outside the valve body (1), a disc (5) is fixedly connected to the outer side wall of the bearing sleeve (4), and a support rod (7) is fixedly connected to the outer side wall of the valve shaft (2) near the top end.

3. An electric sealing butterfly valve according to claim 1, characterized in that the motor A is surface-mounted with an operating switch A (18), and the valve body (1) is side-mounted with an operating switch B (19).