CN217328736U

CN217328736U - Compact valve opening and closing control is with drive executive device

Info

Publication number: CN217328736U
Application number: CN202221016747.2U
Authority: CN
Inventors: 黄臶
Original assignee: Tianjin Beifang Valve Actuator Co ltd
Current assignee: Tianjin Beifang Valve Actuator Co ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-08-30
Anticipated expiration: 2032-04-26

Abstract

The utility model provides a compact valve opening and closing control drive actuating device, which comprises a shell, a driven gear rotatably arranged in the shell, and a driving mechanism arranged on the shell and used for driving the driven gear to rotate, wherein a connecting seat is arranged on the shell corresponding to one side of the driven gear, and a handle seat is arranged on the shell corresponding to the other side of the driven gear, the connecting seat is rotatably arranged on the shell, and the connecting seat and the driven gear are coaxially arranged; the connecting base is provided with a connecting block capable of axially sliding along the connecting base. The utility model has simple structure, small volume, convenient installation on the valve, good applicability and reliability; the movable adjusting cover is provided with the adjusting component, so that a manual-automatic switching structure of the driving executing device is simplified, the size of the driving executing device is reduced, and the reliability of the driving executing device is improved.

Description

Compact valve opening and closing control is with drive executive device

Technical Field

The utility model belongs to the valve actuator field especially relates to a compact valve is drive execution device for opening and close control.

Background

The most extensive definition for the drive mechanism is: a drive device capable of providing linear or rotary motion, which utilizes certain drive energy and works under the action of certain control signals. The driving mechanism uses liquid, gas, electric power or other energy sources and converts the liquid, the gas, the electric power or other energy sources into driving action through a motor, a cylinder or other devices; the basic types of the three-phase driving mode. The valve is a pipeline accessory used for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters (temperature, pressure and flow) of a conveying medium, and can be divided into a shut-off valve, a check valve, an adjusting valve and the like according to the functions of the valve; the electric actuator is an instrument applied to various industrial automation process control links, and is often used for being matched with various valves to form an electric valve or an electric regulating valve; the existing electric actuator for the valve generally has two driving modes of manual driving and electric driving so as to ensure that the valve can meet the actual use requirement, but the manual and automatic switching structure of the existing electric actuator is complex, so that the driving execution device is large in size, cannot be well adapted to the assembly environment requirements of different valves, and is relatively complex to operate and inconvenient to use.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a compact valve opening and closing control is with drive executing device to solve the inconvenient problem of current valve drive executing device.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a compact type driving execution device for valve opening and closing control comprises a shell, a driven gear rotatably mounted in the shell, and a driving mechanism arranged on the shell and used for driving the driven gear to rotate, wherein a connecting seat is arranged on the shell corresponding to one side of the driven gear, a handle seat is arranged on the shell corresponding to the other side of the driven gear, the connecting seat is rotatably mounted on the shell, and the connecting seat and the driven gear are coaxially arranged; the connecting seat is provided with a connecting block capable of sliding along the axial direction of the connecting seat, one side of the driven gear, facing the handle seat, is provided with a connecting groove capable of being matched with the connecting block, the other side of the driven gear is provided with an accommodating groove for accommodating the connecting block, and the connecting groove is communicated with the accommodating groove; be equipped with mobilizable regulation lid on the handle seat, the moving direction of adjusting the lid is the same with the sliding direction of connecting block, it is used for driving the gliding adjusting part of connecting block to cover to adjust, when the connecting block is located the holding tank, adjusting part can drive the connecting seat and rotate, and when the connecting block was located the spread groove, adjusting part can rotate the connecting seat relatively.

Furthermore, be equipped with on the handle seat with adjust the screw thread bush of lid screw-thread fit to make to revolve to twist and adjust the lid and can drive adjusting part and promote the connecting block and slide, the screw thread bush sets up with the connecting seat is coaxial, and the screw thread bush middle part is equipped with the clearing hole that the adjusting part of being convenient for passed, and the clearing hole communicates with the casing is inside.

Furthermore, the adjusting component comprises an adjusting piece arranged on the adjusting cover, one end of the adjusting piece extending into the shell props against the connecting block, and the other end of the adjusting piece is rotatably arranged on the adjusting cover; and an elastic element is arranged on the connecting seat corresponding to the connecting block, one end of the elastic element props against the connecting seat, and the other end of the elastic element props against the connecting block.

Furthermore, the connecting seat is provided with a guide post in sliding fit with the connecting block, the guide post and the connecting seat are coaxially arranged, and the connecting block is provided with a guide hole in sliding fit with the guide post.

Further, the cross section of the guide post is triangular, rectangular or polygonal.

Furthermore, regulating part and the coaxial setting of guide post are equipped with the guide post male slot of being convenient for on the regulating part, the slot is including holding section and joint section, and when the guide post was located and holds the section, the relative guide post of regulating part ability rotated, and when the guide post was located the joint section, the regulating part can drive the guide post and rotate.

Furthermore, one end of the adjusting piece facing the connecting block is provided with a wear-resistant gasket.

Furthermore, one end of the adjusting piece extending into the shell is provided with a limiting block, and the handle seat is provided with a limiting groove capable of being matched with the limiting block.

Furthermore, one end of the adjusting piece, which extends out of the adjusting cover, is provided with a handle piece.

Compared with the prior art, a compact valve drive execution device for opening and close control have following advantage:

the utility model has simple structure, small volume, convenient installation on the valve, good applicability and reliability; the manual-automatic switching structure of the driving execution device is simplified by arranging the adjusting component on the movable adjusting cover, so that the volume of the driving execution device is reduced, and the reliability of the driving execution device is improved; in the practical use, the adjusting cover can be moved to drive the adjusting assembly to push the connecting block, the matching between the connecting block and the driven gear is removed, then an operator only needs to drive the connecting seat by the adjusting assembly to rotate, the valve can be manually opened and closed, the operation is simpler and more convenient, and the use convenience of the driving execution device is improved.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural view illustrating a connecting block and a connecting groove in a driving actuator for controlling opening and closing of a compact valve according to an embodiment of the present invention;

fig. 2 is a schematic structural view illustrating a connecting block of a compact actuating device for controlling opening and closing of a valve according to an embodiment of the present invention when the connecting block is located in a receiving groove;

fig. 3 is a schematic structural view of a compact actuating device for controlling opening and closing of a valve according to an embodiment of the present invention;

fig. 4 is a partial cross-sectional view of a compact actuating device for controlling opening and closing of a valve according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of an adjusting member in a driving executing device for controlling opening and closing of a compact valve according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a connecting seat in a driving actuator for controlling opening and closing of a compact valve according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a connection block in a driving actuator for controlling opening and closing of a compact valve according to an embodiment of the present invention.

Description of reference numerals:

1. a housing; 2. a driven gear; 3. a connecting seat; 4. a handle base; 5. a threaded sleeve; 6. an adjusting cover; 7. an adjustment member; 8. a handle member; 9. a slot; 10. a limiting block; 11. a guide post; 12. a wear resistant pad; 13. connecting blocks; 14. accommodating grooves; 15. an elastic element; 16. connecting grooves; 17. a limiting groove; 18. a driver; 19. a driving gear; 20. a drive shaft; 21. a guide hole; 22. an accommodating section; 23. a clamping section.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

A compact driving actuator for controlling the opening and closing of a valve, as shown in fig. 1 to 7, comprises a housing 1, a driven gear 2 rotatably mounted in the housing 1, and a driving mechanism arranged on the housing 1 and used for driving the driven gear 2 to rotate.

Optionally, the driven gear 2 may adopt a bevel gear and is supported in the housing 1 through a deep groove ball bearing to realize stable rotation of the driven gear 2 on the housing 1, and a person skilled in the art may also select the driven gear 2 of other models and the installation mode of the driven gear 2 as needed, as long as the driven gear 2 can be stably installed in the housing 1, and details are not described here.

A connecting seat 3 is arranged on the shell 1 corresponding to one side of the driven gear 2, a handle seat 4 is arranged on the shell corresponding to the other side of the driven gear 2, the connecting seat 3 is rotatably arranged on the shell 1, and the connecting seat 3 and the driven gear 2 are coaxially arranged; illustratively, the connecting seat 3 may be rotatably mounted on the housing 1 through a needle roller thrust bearing to realize stable rotation of the connecting seat 3 on the housing 1, and the handle seat 4 may be fixedly mounted on the housing 1 through a screw, and those skilled in the art may select other ways to mount the connecting seat 3 and the handle seat 4 as needed; sealing structures, such as rotary sealing elements or sealing elements, can also be arranged between the connecting seat 3 and the shell 1 and between the handle seat 4 and the shell 1 as required to improve the sealing performance of the connecting positions of the connecting seat 3 and the handle seat 4 with the shell 1.

A connecting block 13 capable of sliding along the axial direction of the connecting block 3 is arranged on the connecting block 3, a connecting groove 16 capable of being matched with the connecting block 13 is arranged on one side of the driven gear 2 facing the handle seat 4, an accommodating groove 14 for accommodating the connecting block 13 is arranged on the other side of the driven gear, and the connecting groove 16 is communicated with the accommodating groove 14; be equipped with mobilizable regulation lid 6 on handle seat 4, the moving direction of adjusting lid 6 is the same with the sliding direction of connecting block 13, be equipped with on the regulation lid 6 and be used for driving the gliding adjusting part of connecting block 13, when connecting block 13 is located holding tank 14, adjusting part can drive connecting seat 3 and rotate, and when connecting block 13 is located spread groove 16, adjusting part can rotate connecting seat 3 relatively.

Optionally, the driving mechanism may be adapted according to the type and installation manner of the driven gear 2, and a person skilled in the art may select a suitable driving mechanism to drive the driven gear 2 to rotate according to actual needs; for example, when the driven gear 2 is a bevel gear, the driving mechanism may include a driver 18 disposed on the housing 1, and a driving shaft 20 disposed on the driver 18, wherein one end of the driving shaft 20 extending into the housing 1 is provided with a driving gear 19 engaged with the driven gear 2; the driving gear 19 may be a bevel gear engaged with the bevel gear, and is connected to the driving shaft 20 in a conventional manner, so that the driving shaft 20 drives the driving gear 19 to rotate stably.

In the practical application process, in order to facilitate the assembly of each component, the housing 1 may adopt a split structure, a person skilled in the art may select the housing 1 of a suitable structure as required, the driver 18 may adopt a driving motor, the driving motor may be fixed on the housing 1 through the installation of screws, a sealing structure may also be provided at the joint of the driving motor and the housing 1, for example, a sealing ring and the like, so as to improve the sealing property at the joint of the driving motor and the housing 1, the person skilled in the art may also select other modes to install the motor as required, as long as the stable connection between the driving motor and the housing 1 can be realized, and the description is omitted here.

By arranging the driving mechanism and utilizing the clamping fit of the connecting block 13 and the connecting groove 16 on the driven gear 2, the driven gear 2 and the connecting block 13 can be electrically driven to rotate, and then the connecting seat 3 is driven to rotate; connecting seat 3 can be directly connected with the valve rod of valve, and the transmission mechanism, such as lead screw lift etc. also can be installed as required to the skilled person in the art between valve rod and connecting seat 3, realizes the drive of opening and close to multiple valve, and the no longer repeated description here.

When the connecting base 3 needs to be manually driven to rotate, an operator can move the adjusting cover 6 downwards, drive the adjusting assembly on the adjusting cover 6 to push the connecting block 13 downwards, so that the connecting block 13 slides axially along the connecting base 3 until the connecting block 13 is separated from the connecting groove 16; connecting block 13 and spread groove 16 after-separating, connecting block 13 can be free rotation in holding tank 14, and operating personnel can operate adjusting part this moment, utilizes adjusting part to drive connecting seat 3 and rotates, can realize the manual start-stop control to the valve, and is easy and simple to handle.

Optionally, be equipped with on the handle seat 4 with adjust 6 screw-thread fit's of lid thread bush 5 to make it can drive adjusting part and promote connecting block 13 to slide to revolve wrong adjusting lid 6, screw bush 5 and the coaxial setting of connecting seat 3, the middle part of screw bush 5 is equipped with the clearing hole that the adjusting part of being convenient for passed, and the clearing hole communicates with casing 1 is inside. Exemplarily, the thread bush 5 can be welded and fixed on the adjusting cover 6, and a person skilled in the art can also select other modes to install and fix the thread bush 5 as required to realize the stable setting of the thread bush 5 on the adjusting cover 6, the outer side of the thread bush 5 is provided with an external thread, the inner side of the adjusting cover 6 is provided with an internal thread matched with the external thread, through the thread matching, when an operator screws the adjusting cover 6, the driving of the adjusting cover 6 up and down can be realized, and then the driving of the adjusting component is realized, and the person skilled in the art can also select other modes to install the adjusting cover 6 as required to realize the lifting and moving of the adjusting cover 6.

Optionally, the adjusting assembly includes an adjusting member 7 disposed on the adjusting cover 6, one end of the adjusting member 7 extending into the housing 1 abuts against the connecting block 13, and the other end is rotatably mounted on the adjusting cover 6; an elastic element 15 is arranged on the connecting seat 3 at a position corresponding to the connecting block 13, one end of the elastic element 15 props against the connecting seat 3, and the other end of the elastic element props against the connecting block 13; illustratively, the adjusting part 7 is a cylindrical structural part, and the adjusting part 7 can be rotatably mounted on the adjusting cover 6 through a bearing or a rotary seal to realize the rotatable connection between the adjusting part 7 and the adjusting cover 6, and a person skilled in the art can also select other ways to mount the adjusting part 7 as needed, which is not described herein again; the through hole may be a circular hole, and those skilled in the art may also use an adjusting member 7 and a through hole having other shapes as long as the adjusting member 7 can slide and rotate in the through hole.

In practical application process, elastic element 15 can adopt compression spring, through setting up elastic element 15, when operating personnel revolves wrong regulation lid 6 and drives regulating part 7 and promote connecting block 13 to holding tank 14 downwards, connecting block 13 can extrude compression spring, when operating personnel revolves wrong regulation lid 6 and drives regulating part 7 and upwards remove, connecting block 13 can upwards remove to spread groove 16 under the effect of compression spring elasticity that resets, connecting block 13 can be stable under elastic element 15 and regulating part 7's the tight spacing cooperation with spread groove 16 of clamp this moment, make driven gear 2 can be stable drive connecting block 13 and connecting seat 3 rotate, realize the electronic start-stop control of valve.

Optionally, the connecting seat 3 is provided with a guide post 11 in sliding fit with the connecting block 13, the guide post 11 and the connecting seat 3 are coaxially arranged, and the connecting block 13 is provided with a guide hole 21 in sliding fit with the guide post 11; above-mentioned regulating part 7 and the coaxial setting of guide post 11 are equipped with the guide post 11 male slot 9 of being convenient for on regulating part 7, and slot 9 is including holding section 22 and joint section 23, and when guide post 11 was located and holds section 22, regulating part 7 can rotate by guide post 11 relatively, and when guide post 11 was located joint section 23, regulating part 7 can drive guide post 11 and rotate.

In the practical application process, the cross section of the guide post 11 can be triangular, rectangular or polygonal, and a person skilled in the art can select the guide post 11 with other shapes according to the practical requirement, as long as the connecting block 13 can slide on the guide post 11, and meanwhile, the connecting block 13 can drive the guide post 11 to rotate; illustratively, the cross section of the guide post 11 is rectangular, correspondingly, the cross section of the accommodating section 22 of the slot 9 can be circular to realize the rotation of the guide post 11 in the accommodating section 22, and the cross section of the clamping section 23 of the slot 9 can be rectangular matched with the guide post 11 to realize the clamping matching of the guide post 11 and the clamping section 23, so as to ensure that the adjusting part 7 can electrically rotate the guide post 11; wherein, guide post 11 can with connecting seat 3 integrated into one piece to realize the stable connection between guide post 11 and the connecting seat 3, the fixed guide post 11 of other mode installations also can be selected as required to the skilled person in the art, and the repeated description is not given here again.

Optionally, one end of the adjusting piece 7 facing the connecting block 13 is provided with a wear-resistant gasket 12; for example, the wear-resistant pad 12 may be a graphite copper pad, a carbon fiber pad or a nylon pad, the wear-resistant pad 12 may be fixed on the adjusting member 7 by an adhesive or a screw, and those skilled in the art may also select other types of wear-resistant pads 12 and corresponding conventional mounting manners to mount and fix the wear-resistant pad 12, which will not be described herein again.

In the actual use process, the driving execution device only needs to act when the valve is opened and closed, so the driven gear 2 and the connecting block 13 are intermittent working components, the friction loss between the connecting block 13 and the adjusting piece 7 is low, but in order to improve the reliability and maintainability of the driving execution device, a person skilled in the art can also arrange the wear-resistant gasket 12 on the adjusting piece 7 according to needs, the wear between the adjusting piece 7 and the connecting block 13 can be reduced by arranging the wear-resistant gasket 12, and the service life of the adjusting piece 7 and the connecting block 13 is prolonged.

Optionally, a limiting block 10 is arranged at one end of the adjusting member 7 extending into the casing 1, and a limiting groove 17 capable of being matched with the limiting block 10 is arranged on the handle seat 4; exemplarily, the limiting block 10 may be welded and fixed on the adjusting member 7, and a person skilled in the art may also adopt other methods to install and fix the limiting block 10 as required; in the practical application process, the limiting block 10 is matched with the limiting groove 17, and the limiting block 10 can limit the movement of the adjusting part 7, so that the adjusting part 7 can be ensured to more stably limit the connecting block 13, and the connecting block 13 can be stably matched with the connecting groove 16 under the action of the elastic element 15; and stopper 10 can also avoid regulating part 7 to rotate along with connecting block 13, prevents that regulating part 7 from driving regulation lid 6 and rotating the unexpected removal of regulation lid 6 that leads to, when being favorable to improving the rotation of electric drive driven gear 2, connecting block 13 and driven gear 2 complex stability and reliability.

Optionally, a handle part 8 is arranged at one end of the adjusting part 7 extending out of the adjusting cover 6; exemplarily, the handle part 8 may be a hand wheel or a handle, the handle part 8 may be fixed to the adjusting part 7 by a screw, and a person skilled in the art may also select other ways to fix the handle part 8 as needed, as long as stable connection between the handle part 8 and the adjusting part 7 can be achieved, so that an operator can drive the adjusting part 7 to rotate by using the handle part 8, and manual control of opening and closing of the valve can be achieved.

In the actual use process, when the manual regulating valve needs to be used for opening and closing, an operator needs to firstly screw the regulating cover 6, so that the regulating cover 6 drives the regulating piece 7 to move downwards and pushes the connecting block 13 to be separated from the connecting groove 16, and meanwhile, the regulating piece 7 after moving downwards can be in clamping fit with the guide post 11 through the clamping section 23 of the slot 9, so that the connection between the regulating piece 7 and the guide post 11 is realized; afterwards, the operator can rotate the handle 8, and the handle 8 is utilized to drive the adjusting part 7 to rotate, so that the handle 8 can drive the guide post 11 and the connecting seat 3 to rotate, manual opening and closing control of the valve is realized, and when the adjusting part 7 is screwed, the operator can also hold the adjusting cover 6 in a hand-held manner to fix the adjusting cover 6.

When needs are with connecting block 13 playback, when making connecting block 13 and the cooperation of spread groove 16 realize that electrically driven valve opens and close, operating personnel can twist soon and twist regulation lid 6, make regulation lid 6 drive regulating part 7 rebound and reset, until stopper 10 on regulating part 7 and the spacing groove 17 cooperation back on the handle seat 4, connecting block 13 can be in elastic element 15 and the common spacing cooperation with spread groove 16 down of regulating part 7, later utilize actuating mechanism drive driven gear 2 to rotate, can realize that electrically driven connecting block 13 and connecting seat 3 rotate, and then realize the electronic start and stop control of valve.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a compact valve is drive execution device for opening and close control, includes driven gear (2) of casing (1), casing (1) internal rotation installation and the casing (1) go up the setting be used for driving driven gear (2) pivoted actuating mechanism, its characterized in that: a connecting seat (3) is arranged on the shell (1) corresponding to one side of the driven gear (2), a handle seat (4) is arranged on the shell (1) corresponding to the other side of the driven gear (2), the connecting seat (3) is rotatably installed on the shell (1), and the connecting seat (3) and the driven gear (2) are coaxially arranged; the connecting seat (3) is provided with a connecting block (13) capable of axially sliding along the connecting seat (3), one side of the driven gear (2) facing the handle seat (4) is provided with a connecting groove (16) capable of being matched with the connecting block (13), the other side of the driven gear is provided with an accommodating groove (14) for accommodating the connecting block (13), and the connecting groove (16) is communicated with the accommodating groove (14); be equipped with mobilizable regulation lid (6) on handle seat (4), the moving direction of adjusting lid (6) is the same with the sliding direction of connecting block (13), be equipped with on regulation lid (6) and be used for driving connecting block (13) gliding adjusting part, when connecting block (13) are located holding tank (14), adjusting part can drive connecting seat (3) and rotate, and when connecting block (13) are located spread groove (16), adjusting part can rotate connecting seat (3) relatively.

2. The compact type driving actuator for opening and closing control of a valve according to claim 1, wherein: be equipped with on handle seat (4) with adjusting lid (6) screw-thread fit's thread bush (5) to make to twist and adjust lid (6) and can drive adjusting part and promote connecting block (13) and slide, thread bush (5) and connecting seat (3) coaxial setting, thread bush (5) middle part are equipped with the clearing hole that the adjusting part of being convenient for passed, and clearing hole and casing (1) intercommunication.

3. The driving execution device for the compact valve opening and closing control as claimed in claim 1, wherein: the adjusting assembly comprises an adjusting piece (7) arranged on the adjusting cover (6), one end of the adjusting piece (7) extending into the shell (1) props against the connecting block (13), and the other end of the adjusting piece is rotatably arranged on the adjusting cover (6); an elastic element (15) is arranged on the connecting seat (3) corresponding to the connecting block (13), one end of the elastic element (15) props against the connecting seat (3), and the other end of the elastic element props against the connecting block (13).

4. The compact actuating device for opening and closing control of a valve according to claim 3, wherein: the connecting seat (3) is provided with a guide post (11) which is in sliding fit with the connecting block (13), the guide post (11) and the connecting seat (3) are coaxially arranged, and the connecting block (13) is provided with a guide hole (21) which is in sliding fit with the guide post (11).

5. The compact type driving actuator for opening and closing control of a valve according to claim 4, wherein: the cross section of the guide post (11) is triangular, rectangular or polygonal.

6. The compact valve opening and closing control driving actuator according to claim 4 or 5, wherein: adjusting part (7) and guide post (11) coaxial setting are equipped with guide post (11) male slot (9) of being convenient for on adjusting part (7), slot (9) are including holding section (22) and joint section (23), and when guide post (11) were located and hold section (22), adjusting part (7) can guide post (11) rotation relatively, and when guide post (11) were located joint section (23), adjusting part (7) can drive guide post (11) and rotate.

7. The compact actuating device for opening and closing control of a valve according to claim 3, wherein: one end of the adjusting piece (7) facing the connecting block (13) is provided with a wear-resistant gasket (12).

8. The compact actuating device for opening and closing control of a valve according to claim 3, wherein: the adjusting part (7) is provided with a limiting block (10) at one end extending into the shell (1), and a limiting groove (17) capable of being matched with the limiting block (10) is formed in the handle seat (4).

9. The compact actuating device for opening and closing control of a valve according to claim 3, wherein: and a handle part (8) is arranged at one end of the adjusting part (7) extending out of the adjusting cover (6).