Electric butterfly valve with protective device

Abstract

The utility model relates to the technical field of butterfly valves, and provides an electric butterfly valve with a protective device, which comprises a butterfly valve body, a valve plate, an electric driving component, a protective pipeline, a quick release ring and a filter screen plate, the valve plate is rotatably arranged in the butterfly valve body, the upper end of the valve plate is connected with the output end of the electric driving component fixedly mounted on the butterfly valve body, and the protective pipeline is connected with the quick release ring. The protection pipeline is arranged on the outer side of the butterfly valve body, the two sets of quick release rings are detachably arranged at the two ends of the protection pipeline, and the filter screen plates placed in the protection pipeline are arranged on the lower sides of the quick release rings. And the butterfly valve body can be prevented from being corroded and damaged by the outside, the filter screen plate at the protection pipeline can be taken out conveniently, cleaning and maintenance are facilitated, and the filtering effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to butterfly valve technical field especially relates to a kind of electric butterfly valve with protection device. BACKGROUND

[0002] As the use of regulating flow, butterfly valve can be used for low-pressure pipeline medium on-off control, the opening and closing part of butterfly valve is a disc-shaped disc, rotates in the inside of valve body to achieve the purpose of opening and closing or regulating, butterfly plate of butterfly valve is installed in the diameter direction of pipeline as the control component of pipeline, which can cut off the flow of medium in road, or adjust the size of medium flow in pipeline.

[0003] As application number: CN202320313276.X discloses a kind of manual butterfly valve with protection function, relate to manual butterfly valve device field.The manual butterfly valve with protection function includes: butterfly valve body and the protection mechanism being set at the outside of butterfly valve body;Protection mechanism is used for the protection effect of butterfly valve body, protection mechanism includes first protective shell and second protective shell, feed inlet and discharge outlet at butterfly valve body are all provided with filter mechanism, filter mechanism is used for the effect of filtering impurities in liquid, filter mechanism includes fixed ring and filter screen;First protective shell and second protective shell are all sleeved in the outer surface of butterfly valve body, fixed ring is all movably clamped in the outer surface of first protective shell and second protective shell, filter screen is fixedly installed in the inside of fixed ring.The manual butterfly valve with protection function realizes the protection effect to butterfly valve body, and it is convenient to disassemble protection mechanism.

[0004] However, the above-mentioned butterfly valve needs to be opened and closed manually, which is difficult to operate, and the filter screen is not easy to disassemble, which makes cleaning and maintenance difficult, inconvenient to replace and reduces the filtering effect. UTILITY MODEL CONTENTS

[0005] To solve the above problems, the utility model provides an electric butterfly valve with a protection device to solve the problem.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] The electric butterfly valve with a protection device includes a butterfly valve body, a valve plate, an electric drive assembly, a protection pipeline, a quick-release ring, and a filter screen. The valve plate is rotatably arranged in the butterfly valve body, and the upper end of the valve plate is connected to the output end of the electric drive assembly fixedly installed on the butterfly valve body. The protection pipeline is arranged outside the butterfly valve body. The quick-release ring is provided in two groups, and the two groups of quick-release rings are detachably arranged at both ends of the protection pipeline. The lower side of the quick-release ring is provided with a filter screen placed in the protection pipeline.

[0008] Preferably, the electric drive assembly comprises a drive motor and a one-word spline, the lower end of the one-word spline is fixedly connected with the upper end of the valve plate, the upper end of the one-word spline is fixedly connected with the output end of the drive motor, and the drive motor is fixedly installed on the upper portion of the butterfly valve body.

[0009] Preferably, the protection pipeline comprises a left protection pipe, a right protection pipe, a protection steel plate layer, a valve body sealing ring and a protection cover plate, the left protection pipe and the right protection pipe are sleeved on both sides of the butterfly valve body, the left protection pipe and the right protection pipe are fixedly connected, the protection steel plate layer is arranged between the butterfly valve body and the left protection pipe and the right protection pipe, the valve body sealing ring is provided in two groups, the two groups of valve body sealing rings are arranged on both sides of the butterfly valve body and are sealingly connected with the left protection pipe and the right protection pipe respectively, and the protection cover plate is arranged on the upper side of the connection position of the left protection pipe and the right protection pipe.

[0010] Preferably, the left protection pipe and the right protection pipe are of the same structure.

[0011] Preferably, the left protection pipe is provided with a connecting sealing ring at the end portion.

[0012] Preferably, an annular groove is arranged above the left protection pipe, a flange mounting block is arranged at the end portion of the annular groove, the flange mounting block is detachably connected with the end portion of a quick release ring, and a filter screen plate is arranged in the left protection pipe below the quick release ring.

[0013] Preferably, the inner diameter of the pipeline at the filter screen plate is greater than the inner diameter of the adjacent pipeline.

[0014] Preferably, a maintenance plate is arranged above the drive motor and is arranged on the butterfly valve body, and the maintenance plate is detachably connected with the butterfly valve body.

[0015] The utility model discloses a butterfly valve body protection device, which comprises a butterfly valve body, a valve plate, a drive motor and a protection pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0016] The drawings constituting a part of the utility model are used to provide further understanding of the utility model, and the illustrative embodiment of the utility model and the explanation thereof are used to explain the utility model and do not constitute improper limitation on the utility model.

[0017] Figure 1 It is the structure schematic diagram of the utility model;

[0018] Figure 2 It is the sectional view of the utility model;

[0019] Figure 3is a side view of the electric drive assembly of the utility model;

[0020] Figure 4 is a sectional view of the protection pipeline of the utility model;

[0021] Figure 5 is a structural schematic view of the protection steel plate layer of the utility model;

[0022] Figure 6 is a structural schematic view of the left protection pipeline of the utility model;

[0023] Figure 7 is a side view of the left protection pipeline of the utility model;

[0024] Figure 8 is a structural schematic view of the butterfly valve body of the utility model.

[0025] Explanation of reference signs:

[0026] 1, butterfly valve body; 2, valve plate; 3, electric drive assembly; 4, protection pipeline; 5, quick release ring; 6, filter screen; 31, drive motor; 32, linear spline; 41, left protection pipeline; 42, right protection pipeline; 43, protection steel plate layer; 44, valve body sealing ring; 45, protection cover plate; 411, connecting sealing ring; 412, annular groove; 413, flange mounting block; 12, maintenance plate. DETAILED DESCRIPTION

[0027] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0028] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.

[0029] In the description of the utility model, it is necessary to explain that, unless there are explicit provisions and limitations, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or it can be detachable connection, or it can be integrally connected, it can be mechanical connection, or it can be electrical connection, it can be directly connected, or it can be indirectly connected through intermediate medium, it can be the communication inside two elements, for ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0030] Embodiment one, in combination Figure 1 And Figure 2 It is explained that:

[0031] The electric butterfly valve with protection device, including: butterfly valve body 1, valve plate 2, electric drive assembly 3, protection pipeline 4, quick release ring 5 and filter screen 6, the valve plate 2 is rotationally arranged in butterfly valve body 1, the upper end of valve plate 2 is connected with the output end of electric drive assembly 3 fixedly installed on butterfly valve body 1, protection pipeline 4 is arranged on the outside of butterfly valve body 1, quick release ring 5 is provided with two groups, two groups of quick release ring 5 are detachably arranged at the both ends of protection pipeline 4, and quick release ring 5 is provided with filter screen 6 placed in protection pipeline 4 on the lower side.

[0032] By setting electric drive assembly 3, valve plate 2 can be electrically driven to open and close, which facilitates the control of valve plate 2, by setting protection pipeline 4, butterfly valve body 1 can be prevented from being eroded and damaged by external factors, by setting quick release ring 5, filter screen 6 at protection pipeline 4 can be taken out, thereby facilitating cleaning and maintenance, and improving filtering effect.

[0033] Embodiment two, on the basis of embodiment one, in combination Figure 3 It is explained that:

[0034] The electric drive assembly 3 includes: drive motor 31 and a character flower key 32, the lower end of the character flower key 32 is fixedly connected with the upper end of the valve plate 2, and the upper end of the character flower key 32 is fixedly connected with the output end of the drive motor 31, and the drive motor 31 is fixedly installed on the upper part of the butterfly valve body 1.

[0035] In this way, the character flower key 32 can ensure that the rotation of the drive motor 31 is accurately transmitted to the valve plate 2, so as to realize accurate valve opening control. Compared with complex gear transmission or belt transmission, the character flower key structure is simple, reduces the fault point and reduces the maintenance difficulty. The fixed installation of the drive motor 31 facilitates the integration with the automatic control system, realizes remote control or automatic adjustment.

[0036] Embodiment three, on the basis of embodiment two, in combination Figure 4 And Figure 5 It is explained that:

[0037] The protection pipeline 4 comprises a left protection pipe 41, a right protection pipe 42, a protection steel plate layer 43, a valve body sealing ring 44, and a protection cover plate 45, the left protection pipe 41 and the right protection pipe 42 are sleeved on both sides of the butterfly valve body 1, the left protection pipe 41 and the right protection pipe 42 are fixedly connected, the protection steel plate layer 43 is arranged between the butterfly valve body 1 and the left protection pipe 41 and the right protection pipe 42, the valve body sealing ring 44 is provided with two groups, the two groups of valve body sealing rings 44 are arranged on both sides of the butterfly valve body 1 and are sealingly connected with the left protection pipe 41 and the right protection pipe 42 respectively, and the protection cover plate 45 is arranged on the upper side of the connection position of the left protection pipe 41 and the right protection pipe 42.

[0038] In this way, the protection pipeline can effectively protect the butterfly valve body from external mechanical damage such as impact, wear and tear, etc., the protection steel plate layer 43 can provide additional corrosion protection, prolonging the service life of the butterfly valve, the valve body sealing ring 44 ensures the sealing between the butterfly valve body and the protection pipeline, preventing medium leakage and ensuring the safe operation of the system, and the modular design of the protection pipeline facilitates production and installation and also facilitates replacement of damaged parts.

[0039] The left protection pipe 41 and the right protection pipe 42 are of the same structure. In this way, the production and manufacturing costs are reduced.

[0040] In the fourth embodiment, in the third embodiment, Figure 6 and Figure 7 are combined for illustration.

[0041] The left protection pipe 41 is provided with a connecting sealing ring 411 at the end. In this way, the sealing performance of the connection position of the left protection pipe 41 and the pipeline is improved.

[0042] An annular groove 412 is arranged above the left protection pipe 41, a flange mounting block 413 is arranged at the end of the annular groove 412, the flange mounting block 413 is detachably connected with the end of a quick-release ring 5, and a filter screen plate 6 is arranged below the quick-release ring 5. In this way, by arranging the quick-release ring 5, the installation and dismounting of the protection pipeline become faster and more convenient. The filter screen plate 6 can effectively filter impurities in the medium, protect the interior of the butterfly valve from damage by particulate matter, and improve the reliability of the system. The flange mounting block 413 provides a stable connection point, ensuring that the connection between the quick-release ring 5 and the left protection pipe 41 is firm and not prone to loosening.

[0043] The inner diameter of the pipeline at the filter screen plate 6 is greater than the inner diameter of the adjacent pipeline. In this way, the filter screen plate 6 can be clamped in the pipeline.

[0044] In the fifth embodiment, in the fourth embodiment, Figure 8 is combined for illustration.

[0045] The drive motor 31 is provided with an access plate 12 opened on the butterfly valve body 1, and the access plate 12 is detachably connected with the butterfly valve body 1.

[0046] The working principle of the utility model is: when the device is used, firstly, it is necessary to ensure that each component of the electric butterfly valve is intact, the electric drive assembly 3 is normal, the protection pipeline 4 and the quick release ring 5 are not damaged, the filter screen plate 6 is clean and is correctly placed, it is confirmed that the pipeline system has been prepared, and the pipelines at both ends of the butterfly valve have been correctly connected, it is checked whether the power supply wiring of the electric butterfly valve is correct, it is ensured that the power supply meets the technical requirements of the electric drive assembly, after power-on, the electric drive assembly 3 is started through the instruction (which may be a manual button, an automatic control system or a remote signal) of the control system, the electric drive assembly 3 drives the valve plate 2 to rotate, thereby opening or closing the butterfly valve, the opening degree of the valve plate 2 can be adjusted through the control of the electric drive assembly 3, thereby controlling the flow of the fluid in the pipeline, the filter screen plate 6 is checked regularly, if the filter screen plate 6 is found to be blocked or damaged, it needs to be cleaned or replaced in time, the two groups of detachable design of the quick release ring 5 can quickly open the protection pipeline 4, and the filter screen plate 6 is taken out for cleaning or replacement, the utility model has the advantages of reasonable structure, convenient use, electric drive valve plate opening and closing, convenient control of the valve plate, prevention of the butterfly valve body from being eroded and damaged by the outside world, convenient taking out of the filter screen plate at the protection pipeline, convenient cleaning and maintenance, and improved filtering effect.

[0047] For those skilled in the art, the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model; therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure reference in the claims should not be regarded as limiting the involved claims.

[0048] The above is only the preferred embodiment of the utility model, and does not limit the utility model, and any slight modification, equivalent replacement and improvement according to the technical essence of the utility model on the above embodiments should be included in the protection scope of the technical scheme of the utility model.

Claims

1. Electric butterfly valve with protective device, characterized in that: include: A butterfly valve body (1), a valve plate (2), an electric drive assembly (3), a protective pipe (4), a quick-release ring (5) and a filter screen plate (6); the valve plate (2) is rotatably arranged in the butterfly valve body (1); the upper end of the valve plate (2) is connected to the output end of the electric drive assembly (3) fixedly mounted on the butterfly valve body (1); the protective pipe (4) is arranged outside the butterfly valve body (1); two groups of quick-release rings (5) are provided, and the two groups of quick-release rings (5) are detachably arranged at both ends of the protective pipe (4); and a filter screen plate (6) placed in the protective pipe (4) is provided on the lower side of the quick-release ring (5).

2. The electric butterfly valve with a protective device according to claim 1, characterized in that: The electric drive assembly (3) comprises: a drive motor (31) and a straight spline (32); the lower end of the straight spline (32) is fixedly connected to the upper end of the valve plate (2); the upper end of the straight spline (32) is fixedly connected to the output end of the drive motor (31); and the drive motor (31) is fixedly mounted on the upper part of the butterfly valve body (1).

3. The electric butterfly valve with a protective device according to claim 1, characterized in that: The protective pipe (4) comprises: a left protective pipe (41), a right protective pipe (42), a protective steel plate layer (43), a valve body sealing ring (44) and a protective cover plate (45). The left protective pipe (41) and the right protective pipe (42) are sleeved on both sides of the butterfly valve body (1). The left protective pipe (41) and the right protective pipe (42) are fixedly connected. The protective steel plate layer (43) is arranged between the butterfly valve body (1) and the left protective pipe (41) and the right protective pipe (42). Two groups of valve body sealing rings (44) are provided. The two groups of valve body sealing rings (44) are arranged on both sides of the butterfly valve body (1) and are sealed and connected to the left protective pipe (41) and the right protective pipe (42) respectively. The protective cover plate (45) is arranged on the upper side of the connection between the left protective pipe (41) and the right protective pipe (42).

4. The electric butterfly valve with a protective device according to claim 3, characterized in that: The left protective tube (41) and the right protective tube (42) have the same structure.

5. The electric butterfly valve with a protective device according to claim 4, characterized in that: The end of the left protective tube (41) is provided with a connecting sealing ring (411).

6. The electric butterfly valve with a protective device according to claim 4, characterized in that: The left protective tube (41) is provided with an annular groove (412), the end of the annular groove (412) is provided with a flange mounting block (413), the flange mounting block (413) is detachably connected to the end of the quick-release ring (5), and the lower side of the quick-release ring (5) is provided with a filter screen plate (6) placed in the left protective tube (41).

7. The electric butterfly valve with a protective device according to claim 4, characterized in that: The inner diameter of the pipe at the filter screen plate (6) is larger than the inner diameter of the adjacent pipe.

8. The electric butterfly valve with a protective device according to claim 2, characterized in that: An inspection plate (12) opened on the butterfly valve body (1) is provided above the driving motor (31), and the inspection plate (12) is detachably connected to the butterfly valve body (1).

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