Pipeline reversing valve

Abstract

The utility model provides a pipeline reversing valve which comprises a reversing valve body, a valve block, a valve rod, a driving motor, a control panel and a reversing handle, the valve block is arranged in the reversing valve body, the valve rod is connected with the valve block, the driving motor is arranged on the reversing valve body, and the driving motor is used for driving the valve rod to rotate and can drive the valve block to rotate. Therefore, communication paths among the multiple communication ports are changed, reversing adjustment is conducted on the fluid direction, and electric reversing is achieved. The reversing handle is connected with the valve rod, the valve block can be driven to rotate by rotating the reversing handle, and manual reversing is achieved. Under the conditions that an electric system breaks down or an available power supply is lacked at the position of equipment, manual reversing can be carried out through the reversing handle, and the safety and reliability of the equipment are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of reversing valve, concretely relates to a pipeline reversing valve. BACKGROUND

[0002] The reversing valve is a common pipeline valve, and its main function is to control the flow direction of fluid (such as hydraulic oil, compressed air, water, etc.) according to needs, and according to the working requirements of the system, the fluid is switched from one channel to another channel by changing the movement direction of the actuator (such as the valve core), so that the connection or cut-off of the pipeline on different paths is realized. For example, in the hydraulic system, the hydraulic cylinder can realize the actions of extension and retraction through the reversing valve; in the pneumatic system, the pneumatic cylinder can realize the forward and backward movements through the reversing valve. On the pipeline flushing machine, the flow route of water in the pipeline can be controlled through the reversing valve to realize the switching of water outlet and water return.

[0003] The reversing valve can be divided into electromagnetic reversing valve, reversing ball valve and manual reversing valve according to the driving mode, and can be divided into three-way reversing valve, four-way reversing valve, etc. according to the number of connecting ports. According to the application scene, it can be divided into hydraulic reversing valve, airway reversing valve and water pipeline reversing valve, etc.

[0004] Among them, the main structure of the reversing ball valve usually includes a ball, a valve seat, a valve rod, a sealing element and the like. The ball is the key component of the reversing ball valve, which is a ball with a circular channel and can rotate in the valve body. The valve seat is fixed on the valve body and cooperates with the ball to form a sealing surface. The valve rod is connected with the ball and rotates the ball by operating the valve rod. The sealing element is used to ensure the sealing between the ball and the valve seat to prevent fluid leakage. When in use, the ball is rotated to different positions by the valve rod, and the channel on the ball is opposite or staggered with the inlet and outlet channels on the valve body. When the channel of the ball is opposite to the inlet and outlet channels, the fluid can flow smoothly; when the channel of the ball is staggered with the inlet and outlet channels, the fluid is cut off, so as to realize the reversing control of the fluid.

[0005] In order to realize remote control and automatic operation, the existing reversing valve is driven by a motor, and the motor drive needs to be connected with an external power supply. When the electric system fails or is powered off in an emergency, the reversing valve cannot be reversed, which has limitations in use. UTILITY MODEL CONTENTS

[0006] The utility model provides a pipeline reversing valve, aims at solving the problem that the electric reversing valve in the prior art cannot be reversed when the electric system fails or is powered off in an emergency.

[0007] In order to achieve the above purpose, the utility model adopts the technical scheme of providing a pipeline reversing valve, which comprises:

[0008] The reversing valve body has a valve cavity and a plurality of communication ports in communication with the valve cavity;

[0009] The valve block is rotatably arranged in the valve cavity;

[0010] The valve rod is in rotational cooperation with the reversing valve body, one end of the valve rod extends into the valve cavity and is connected with the valve block, and the other end of the valve rod is located outside the valve cavity;

[0011] The drive motor has a motor shaft in transmission connection with the valve rod;

[0012] The reversing handle is connected with the valve rod; and

[0013] The control board is electrically connected with the drive motor.

[0014] In a possible implementation, the reversing valve body is a three-way reversing valve, and the reversing valve body has three communication ports.

[0015] In a possible implementation, the communication port extends outward to form a joint having external threads.

[0016] In a possible implementation, the pipe reversing valve further comprises a housing, the housing is arranged on one side of the reversing valve body, and the drive motor is accommodated in the housing.

[0017] In a possible implementation, the housing is provided with a relief groove for the reversing handle to extend out of.

[0018] In a possible implementation, the reversing handle comprises:

[0019] The sleeve ring is sleeved on the outer portion of the valve rod extending out of the valve cavity, and the sleeve ring has a plug-in port; and

[0020] The handle is detachably connected with the sleeve ring, and one end of the handle is plug-in adapted with the plug-in port.

[0021] In a possible implementation, the end of the handle and the plug-in port are in threaded cooperation.

[0022] In a possible implementation, the reversing valve body is connected with a mounting portion, the mounting portion has a limiting hole, and the handle is detachably plug-in arranged in the limiting hole.

[0023] In a possible implementation, the end of the valve rod extending out of the valve cavity is square in cross section, the sleeve ring has a positioning hole, the positioning hole is a regular octagonal hole, and the positioning hole is plug-in adapted with the end of the valve rod extending out of the valve cavity.

[0024] In a possible implementation, the pipeline reversing valve further comprises a wireless remote control module, which is electrically connected with the control panel.

[0025] Compared with the prior art, the pipeline reversing valve has the following advantages:

[0026] The pipeline reversing valve comprises a reversing valve body, a valve block, a valve rod, a driving motor, a control panel and a reversing handle, the valve block is arranged in the reversing valve body, the valve rod is connected with the valve block, the driving motor is arranged on the reversing valve body, the control panel is used for controlling the driving motor to work, the driving motor is used for driving the valve rod to rotate, so as to drive the valve block to rotate, thereby changing the communication path between the multiple communication ports and reversing the fluid direction to realize electric reversing.

[0027] The pipeline reversing valve has the advantages of electric reversing and manual reversing, the electric reversing is realized through the driving motor, the response speed is relatively fast, the on-off state of the valve can be quickly and accurately switched, remote control and automatic operation can be realized, the convenience of operation is improved, and the pipeline reversing valve is especially suitable for large equipment or remote operation occasions. BRIEF DESCRIPTION OF DRAWINGS

[0028] The accompanying drawings, which are incorporated herein and constitute a part of the specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the embodiments or prior art description will be briefly introduced as follows, and obviously, for those skilled in the art, other drawings can also be obtained without creative labor based on these drawings.

[0030] One or more embodiments are exemplarily illustrated by the pictures in the drawings corresponding to the embodiments, and these exemplary illustrations do not constitute a limitation on the embodiments, and the elements with the same reference numerals in the drawings represent similar elements, unless otherwise specified, and the drawings do not constitute a proportional limitation.

[0031] Figure 1 Structure diagram of a pipe reversing valve provided for an embodiment of the present application Figure 1 ;

[0032] Figure 2 Structure diagram of a pipe reversing valve provided for an embodiment of the present application Figure 2 ;

[0033] Figure 3 Structure diagram of a pipe reversing valve provided for an embodiment of the present application Figure 3 ;

[0034] Figure 4 Assembly diagram of the reversing valve body, valve rod and reversing handle.

[0035] BRIEF DESCRIPTION OF THE DRAWINGS

[0036] 10, reversing valve body; 11, communication port; 12, joint; 20, valve rod; 30, driving motor; 40, reversing handle; 41, collar; 411, plug-in port; 412, positioning hole; 42, handle; 50, shell; 51, avoiding groove; 60, mounting portion; 70, control board. DETAILED DESCRIPTION

[0037] In order to make the objectives, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0038] The following disclosure provides many different embodiments, or examples, for implementing different structures of the present application. For the purpose of simplifying the present application, components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present application. In addition, reference numerals and / or letters can be repeated in different examples in the present application. Such repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0039] For the convenience of description, spatial relative terms can be used in the specification to describe the relative position relationship or movement condition of one element or feature with respect to another element or feature as shown in the drawings, such as "inner", "outer", "inboard", "outboard", "under", "below", "on", "above", "front", "back", and the like. Such spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the drawings. For example, if the device in the drawings is turned over or reversed, or the orientation of the device is changed, the directional indications are also changed accordingly, for example: the element described as "under" or "below" another element or feature will be subsequently oriented as "above" or "above" another element or feature. Therefore, the example term "below" can include both upward and downward positions. The device can be additionally oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used in the specification are interpreted accordingly.

[0040] Please refer to Figures 1 to 4 A pipeline reversing valve provided by the embodiment of the utility model is described below.

[0041] Please refer to Figures 1 to 4 In order to solve the technical problem that the reversing valve in the prior art cannot smoothly switch the flow path when power failure or system failure occurs, the application provides a pipeline reversing valve, which has two reversing modes of manual and electric and is suitable for various application scenarios.

[0042] Specifically, the embodiment of the utility model provides a pipeline reversing valve, which comprises a reversing valve body 10, a valve block, a valve rod 20, a driving motor 30, a control panel 70 and a reversing handle 40. The reversing valve body 10 has a valve cavity and a plurality of communication ports 11 in communication with the valve cavity; the valve block is rotatably arranged in the valve cavity; the valve rod 20 is in rotational cooperation with the reversing valve body 10, one end of the valve rod 20 extends into the valve cavity and is connected with the valve block, and the other end of the valve rod 20 is located outside the valve cavity; the motor shaft of the driving motor 30 is in transmission connection with the valve rod 20; and the reversing handle 40 is connected with the valve rod 20.

[0043] Compared with the prior art, the pipeline reversing valve provided by the embodiment of the utility model has the beneficial effects that:

[0044] The pipeline reversing valve provided by the embodiment comprises a reversing valve body 10, a valve block, a valve rod 20, a driving motor 30 and a reversing handle 40. The valve block is arranged in the reversing valve body 10, the valve rod 20 is connected with the valve block, the driving motor 30 is arranged on the reversing valve body 10, and a control panel 70 is used for controlling the driving motor 30 to work, so that the motor shaft of the driving motor 30 rotates by a proper angle. The driving motor 30 is used for driving the valve rod 20 to rotate, so as to drive the valve block to rotate, thereby changing the communication path between the plurality of communication ports 11 and adjusting the flow direction to realize electric reversing. The reversing handle 40 is connected with the valve rod 20, and the valve block can also be driven to rotate by rotating the reversing handle 40, so as to realize manual reversing.

[0045] The embodiment has the advantages of electric reversing and manual reversing. The electric reversing is realized by the driving motor 30, the response speed is relatively fast, the on-off state of the valve can be quickly and accurately switched, remote control and automatic operation can be realized, the convenience of operation is improved, and the embodiment is especially suitable for large equipment or remote operation occasions. In the case that the electric system fails or is powered off, the equipment position lacks available power or the like, manual reversing can be realized by the reversing handle 40, manual operation does not require external power supply, and the embodiment has an advantage in some special environments or unstable power supply occasions. The manual reversing serves as a backup mode, and the safety and reliability of the equipment are ensured. In addition, manual reversing is more convenient for some simple debugging or temporary operation during equipment debugging, and an operator can directly adjust the valve state by manual operation without complex electrical connection or program setting.

[0046] The reversing valve body 10 in the embodiment can have three, four or more communication ports 11, the valve block can be spherical or have other shapes, the valve rod 20 is connected with the valve block in a threaded connection mode or other connection modes, and the valve rod 20 can drive the valve block to rotate. When the valve block rotates, different communication ports 11 can be connected to realize reversing operation. The driving motor 30 is used for driving the valve rod 20 to rotate, and the driving motor 30 and the control panel 70 can both adopt existing products. Specifically, a product of a proper type is selected according to the requirements of the rotation speed and load of the driving motor 30.

[0047] The reversing handle 40 is arranged outside the valve rod 20, and when the driving motor 30 cannot work due to various reasons, the valve rod 20 can be driven to rotate together by the reversing handle 40. Optionally, the reversing handle 40 can be connected with the valve rod 20 in a welding mode, a screw connection mode, an adhesive mode or a clamping mode. The reversing handle 40 can be detachably arranged. When the reversing handle 40 is not used, the reversing handle 40 is stored in a designated position. When the reversing handle 40 is used, the reversing handle 40 is connected with the valve rod 20 to be integrated.

[0048] Please refer to Figure 1 and Figure 4In some possible embodiments, the reversing valve body 10 is a three-way reversing valve, and the reversing valve body 10 has three connecting ports 11. The connecting ports 11 extend outward to form connectors 12, and the connectors 12 have external threads for easy connection to pipelines.

[0049] Please see Figure 1 , Figure 2 and Figure 3 In some possible embodiments, a pipeline reversing valve further includes a housing 50, which covers one side of the reversing valve body 10, and the drive motor 30 is housed inside the housing 50, which serves a protective function.

[0050] The drive motor 30 can be a servo motor, which has a faster speed, smaller size, easier installation, faster response speed, and angle detection function. When the reversing valve is working, it can accurately detect the rotation angle of the valve stem 20, making the control precision higher.

[0051] Please see Figure 1 , Figure 2 and Figure 3 In some possible embodiments, the housing 50 is provided with a clearance groove 51, which is used for the reversing handle 40 to extend out and to ensure that the reversing handle 40 does not interfere with the housing 50 when it is rotated.

[0052] Please see Figure 1 , Figure 3 and Figure 4 In some possible embodiments, the reversing handle 40 includes a collar 41 and a handle 42. The collar 41 is sleeved on the outside of the portion of the valve stem 20 that extends out of the valve cavity, and the collar 41 has a connector 411; the handle 42 is detachably connected to the collar 41, and one end of the handle 42 is inserted into the connector 411.

[0053] Please see Figure 3 and Figure 4 In some possible embodiments, the end of the handle 42 is threaded into the insertion interface 411, or the insertion is achieved through a keyway or the like.

[0054] Please see Figures 1 to 4 In some possible embodiments, a mounting part 60 is connected to the reversing valve body 10 or the housing 50. The mounting part 60 has a limiting hole, and the handle 42 is detachably inserted into the limiting hole. When not in use, the handle 42 can be removed and placed in the mounting part 60. When manual reversing is required, the handle 42 is removed from the mounting part 60 and then connected to the collar 41.

[0055] Please see Figure 4In some possible embodiments, the end of the valve rod 20 protruding out of the valve cavity is square in cross section, the sleeve ring 41 has positioning holes 412 which are octagonal holes, and the positioning holes 412 are adapted to be inserted into the end of the valve rod 20 protruding out of the valve cavity, facilitating the installation and fixation of the sleeve ring 41 on the valve rod 20.

[0056] Please refer to Figure 1 In a possible implementation, the pipe reversing valve further comprises a wireless remote control module, which is arranged on the control panel 70 and can be communicatively connected with the driving motor 30, so that the driving motor 30 can be remotely controlled to operate, thereby remotely controlling the valve reversing.

[0057] In the above embodiments, the description of each embodiment focuses on different aspects, and the parts not described in detail in a certain embodiment can be referred to the relevant description of other embodiments.

[0058] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0059] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise explicitly specified and limited.

[0060] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be connected, or detachable, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0061] In the present application, unless specifically defined otherwise, the expression "on" or "under" of a first feature with respect to a second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the expression "on", "above" and "over" of a first feature with respect to a second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The expression "under", "below" and "underneath" of a first feature with respect to a second feature includes that the first feature is directly below and obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0062] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms should not be understood as necessarily referring to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, a person skilled in the art can combine and combine different embodiments or examples described in the present specification.

[0063] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, these modifications and variations of the present application, which are within the scope of the claims of the present application and their equivalents, are intended to be included in the present application.

[0064] The above is a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope disclosed in the present application, and these modifications or replacements should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A pipe reversing valve, characterized by The utility model relates to a pipeline reversing valve, which comprises the following parts: a reversing valve body (10) having a valve cavity and a plurality of communication ports (11) in communication with the valve cavity; a valve block rotatably arranged in the valve cavity; a valve rod (20) rotatably connected with the reversing valve body (10), one end of the valve rod (20) extending into the valve cavity and connected with the valve block, and the other end of the valve rod (20) being located outside the valve cavity; a drive motor (30), a motor shaft of the drive motor (30) being in transmission connection with the valve rod (20); a reversing handle (40) connected with the valve rod (20); and a control board (70) in electrical connection with the drive motor.

2. A pipe reversing valve according to claim 1, characterised in that The reversing valve body (10) is a three-way reversing valve, and the reversing valve body (10) has three communication ports (11).

3. A pipe reversing valve according to claim 1, wherein The communication port (11) extends outward to form a connector (12) having external threads.

4. A pipe reversing valve according to claim 1, wherein The pipeline reversing valve further comprises a housing (50) covering one side of the reversing valve body (10), and the drive motor (30) is accommodated in the housing (50).

5. A conduit diverter valve according to claim 4, wherein The housing (50) is provided with an avoiding groove (51) for the reversing handle (40) to extend out of.

6. A pipe reversing valve according to claim 1, wherein The reversing handle (40) comprises: a sleeve ring (41) sleeved on the outer part of the valve rod (20) extending out of the valve cavity, the sleeve ring (41) having a plug-in port (411); and a handle (42) detachably connected with the sleeve ring (41), one end of the handle (42) being plug-in adapted with the plug-in port (411).

7. A pipe reversing valve according to claim 6, characterised in that The end of the handle (42) and the plug-in port (411) are in threaded connection.

8. A pipe reversing valve according to claim 6, wherein The pipeline reversing valve further comprises a mounting part (60) connected with the reversing valve body (10), the mounting part (60) having a limiting hole, and the handle (42) is detachably inserted into the limiting hole.

9. A pipe reversing valve according to claim 6, wherein The end of the valve rod (20) extending out of the valve cavity is in square cross section, the sleeve ring (41) has a positioning hole (412) which is an octagonal hole, and the positioning hole (412) is plug-in adapted with the end of the valve rod (20) extending out of the valve cavity.

10. A pipe reversing valve according to claim 1, wherein The pipeline reversing valve further comprises a wireless remote control module in electrical connection with the control board (70).

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