Electric actuating mechanism valve and valve shell

Abstract

The electric actuating mechanism valve comprises a machine shell and the valve shell arranged at the lower end of the machine shell, a rotating assembly, an electric control assembly and a manual assembly are installed in the machine shell, the electric control assembly and the manual assembly are arranged on one side of the rotating assembly, and the rotating assembly is further provided with an adjusting assembly which is connected with the electric control assembly and the manual assembly in a switching mode. The rotating assembly is controlled manually or electrically; the rotating assembly is singly connected with the electric control assembly or the manual assembly through the adjusting assembly, influences caused by misoperation of other parts are avoided, and the control accuracy is improved. The rotating shaft drives the first worm gear to rotate through the first worm to achieve forward and reverse rotation so as to control the valve element to rotate, the driving force of the valve element cannot push the first worm to rotate through the first worm gear according to the transmission principle of the worm and the worm gear, in this way, the stability of the valve element is guaranteed, and the rotating shaft can be externally connected with a clutch so as to improve the stability during fixing.

Description

Technical Field

[0001] The present invention relates to the technical field of electric actuator valves, in particular to an electric actuator valve and a valve housing. Background Art

[0002] An electric actuator is a driving device that can provide linear or rotary motion, and serves as a connection between the control system and the mechanical motion of the valve. It is often used to match various valves to form electric valves or electric regulating valves. The electric structure and manual structure in the existing electric actuator are relatively independent transmission structures. Electric actuators usually require a handwheel to be turned for operation, but when the handwheel is not actually in use, it is very easy to accidentally touch the handwheel, causing the valve to open without reason. Summary of the invention

[0003] The technical problem solved by the present invention is to provide an electric actuator valve and a valve housing to solve the problems raised in the above background technology.

[0004] The technical problem solved by the present invention is achieved by the following technical solution: an electric actuator valve and a valve housing, comprising a housing and a valve housing arranged at the lower end of the housing, a rotating assembly, an electric control assembly and a manual assembly arranged on one side of the rotating assembly are installed in the housing, and the rotating assembly is also provided with an adjustment assembly for switching the electric control assembly and the manual assembly, so that the rotating assembly can be controlled manually or electrically respectively; The rotating assembly includes a rotating shaft rotatably mounted on the housing, a first worm wheel mounted on the rotating shaft, and a first worm arranged on one side of the first worm wheel. The first worm is arranged transversely and is transmission-connected to the first worm wheel. A square shaft is fixedly mounted on one side of the outer end of the first worm. The adjustment assembly comprises a square sleeve slidably mounted on the square shaft, spline shafts are respectively mounted on both sides of the square sleeve, the square sleeve is rotatably mounted on the ring plate between the two spline shafts, and the ring plate is connected to an external displacement member to control the direction of the sleeve movement; The electronic control component includes a first spline sleeve rotatably mounted on the casing, and the manual component includes a second spline sleeve rotatably mounted on the casing. The first spline sleeve and the second spline sleeve are respectively arranged on both sides of the square sleeve to be respectively connected with the corresponding spline shafts, thereby realizing manual or electric switching adjustment.

[0005] As a further embodiment of the present invention: The swivel is a stepped shaft structure, and the casing is provided with a plurality of groups of bearings corresponding to the swivel, and a pillow block is fixedly installed at the lower end of the swivel; the lower end of the casing is fixedly connected to the valve housing through a flange plate, and a valve core for controlling on and off and a valve shaft for driving the valve core to rotate are provided in the valve housing, and the upper end of the valve shaft is fixedly connected to the pillow block to control the rotation of the valve core in the valve housing.

[0006] As a further embodiment of the present invention: The rotating shaft is located at the upper end of the first worm gear and is also provided with a limit assembly, the limit assembly includes a limit sleeve and a first sensing plate and a second sensing plate fixedly installed on the outer end of the limit sleeve, and a limit frame is installed at the corresponding position of the housing, and the first limit sensor and the second limit sensor are respectively provided on both sides of the limit frame to respectively cooperate with the first sensing plate and the second sensing plate to limit the rotating shaft and sense the position of the valve core. Specifically, when the first sensing plate touches the first limit sensor, the valve core is in a closed state, and the controller can issue an indication after detecting the signal of the first limit sensor, and control the electric component to stop the action. When the second sensing plate touches the second limit sensor, the valve core is in an open state.

[0007] As a further embodiment of the present invention: An indicating shaft is fixedly provided at the upper end of the rotating shaft, and an indicating needle is installed at the upper end of the indicating shaft. The indicating shaft passes through the corresponding shaft hole of the casing, and a corresponding circular groove is provided at the upper end of the casing corresponding to the indicating needle. A transparent glass is provided at the outer end of the circular groove, so that the position of the valve core can be observed through the indicating needle, so that the position of the valve core can be judged by the indicating needle when the power is off.

[0008] As a further embodiment of the present invention: The two ends of the first worm are respectively rotated and installed in the corresponding bearings of the casing, one side of the square shaft is integrally arranged with the first worm, and the other side is rotatably installed on the second spline sleeve; the square sleeve and the spline shaft corresponding to the square shaft are provided with a communicating square hole, and are sleeved on the square shaft through the square hole; the ring plate is sleeved on the outer end of the square sleeve, and thrust bearings are fixedly installed on both sides of the ring plate, and are rotatably connected with the spline shaft through the thrust bearing, so that the ring plate is rotatably installed on the square sleeve.

[0009] As a further embodiment of the present invention: The electronic control component includes a second worm gear rotatably mounted on the casing and a second worm screw matched with the second worm gear, the second worm screw is vertically arranged and transmission connected to the second worm gear, the second worm screw is rotationally mounted in a bearing corresponding to the casing, an electronic control motor transmission connected to the second worm screw is provided at the upper end of the casing to control the rotation of the second worm screw, a first rotating cylinder is fixedly mounted on the casing corresponding to the second worm gear, a bearing is provided outside the first rotating cylinder, the second worm gear is rotationally mounted on the first rotating cylinder through the bearing, the first spline sleeve is fixedly arranged on one side of the second worm gear to be synchronously rotationally connected with the second worm gear; the first worm screw passes through an opening corresponding to the first rotating cylinder.

[0010] As a further embodiment of the present invention: The manual assembly includes a second rotating cylinder fixedly mounted on the casing, a bearing is arranged inside the second rotating cylinder, a manual shaft cylinder is arranged on one side of the second spline sleeve, the manual shaft cylinder is rotatably mounted inside the second rotating cylinder through the bearing, and a rotating handle is connected to the outside of the manual shaft cylinder for manual operation by personnel.

[0011] As a further embodiment of the present invention: The first spline sleeve and the second spline sleeve are open structures on the side facing the spline shaft, and the first spline sleeve and the second spline sleeve are provided with spline grooves in the inner cavity, and the spline shaft is provided with spline teeth corresponding to the spline grooves, so as to be inserted into the corresponding spline grooves for transmission connection. Specifically, when the ring plate drives the spline shaft to be inserted into the first spline sleeve, the electric control motor controls the rotation of the second worm, and drives the second worm wheel to rotate through the second worm, the first spline sleeve drives the spline shaft to rotate, the replacement shaft drives the square shaft to rotate, and the first worm drives the first worm wheel to rotate, so as to control the rotation of the rotating shaft and realize electric control. If the spline shaft is inserted into the second spline sleeve, the first spline sleeve is not connected to the spline shaft at this time, and the personnel can control the rotation of the second spline sleeve through the rotary handle, so as to drive the square shaft to rotate through the spline shaft, and drive the first worm wheel to rotate by the first worm, so as to control the rotation of the rotating shaft and realize manual control.

[0012] As a further embodiment of the present invention: The displacement member includes a guide slide frame fixedly installed in the casing and a push plate slidably installed on the guide slide frame, the push plate is fixedly connected to the ring plate, the guide slide frame includes two sets of frame plates arranged in parallel and guide slide rods arranged on both sides of the frame plates, slide cylinders are respectively provided on both sides of the push plate, and are slidably installed on the guide slide rods through the slide cylinders, and in-place sensors are provided on both sides of the frame plates to detect whether the push plate is in place, so as to detect whether it is a manual connection or an electric connection state.

[0013] As a further embodiment of the present invention: One side of the frame plate is provided with a push-pull electromagnet for pushing the push plate, and the outer end of the shaft rod of the push-pull electromagnet is fixedly connected to the push plate. When the push-pull electromagnet is energized, the shaft rod of the push-pull electromagnet extends out to insert the spline shaft into the first spline sleeve through the push plate to realize electric control. When the push-pull electromagnet is powered off, the shaft rod of the push-pull electromagnet is reset under the push of its own spring, and the push plate is moved backward by the shaft rod to insert the spline shaft into the second spline sleeve to realize manual control. The control mode can be automatically adjusted according to the power-on or power-off state, which is simple and convenient; a push rod is also fixedly installed on the upper end of the push plate, and the push rod passes through the corresponding moving groove of the casing. The push rod is located at the outer end of the casing and is provided with a push handle, which is convenient for personnel to manually control the movement of the push plate, and the manual or electric control mode can be judged according to the position of the push handle.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: the rotating assembly is connected to the electric control assembly or the manual assembly through the adjusting assembly, thereby avoiding the influence caused by the malfunction of other components and improving the accuracy of control. The rotating shaft drives the first worm wheel to rotate through the first worm to achieve positive and negative rotation, so as to control the rotation of the valve core. By utilizing the transmission principle of the worm and worm wheel, the driving force of the valve core will not drive the first worm to rotate through the first worm wheel, thus ensuring the stability of the valve core, and the rotating shaft can be externally connected to a clutch to improve the stability when fixed.

[0015] The adjusting component drives the spline shafts on both sides to move through the ring plate so that the spline shaft is inserted into the first spline sleeve or the second spline sleeve. When the ring plate drives the spline shaft to be inserted into the first spline sleeve, the electric control motor controls the rotation of the second worm, and drives the second worm wheel to rotate through the second worm, the first spline sleeve drives the spline shaft to rotate, the replacement shaft drives the square shaft to rotate, and the first worm drives the first worm wheel to rotate, thereby controlling the rotation of the rotating shaft to achieve electric control. If the spline shaft is inserted into the second spline sleeve, the first spline sleeve is not connected to the spline shaft at this time, and the personnel can control the rotation of the second spline sleeve through the rotary handle to drive the square shaft to rotate through the spline shaft, and use the first worm to drive the first worm wheel to rotate, thereby controlling the rotation of the rotating shaft to achieve manual control; the device is simple to control, convenient to operate, and responds quickly, and can quickly complete the switching between manual and electric.

[0016] Sensors are provided on both sides of the frame plate to detect whether the push plate is in place, so as to detect whether it is a manual connection or an electric connection state. When the push-pull electromagnet is energized, the shaft rod of the push-pull electromagnet extends to insert the spline shaft into the first spline sleeve through the push plate to realize electric control. When the push-pull electromagnet is powered off, the shaft rod of the push-pull electromagnet is reset under the push of its own spring, and the push plate is moved backward by the shaft rod to insert the spline shaft into the second spline sleeve to realize manual control. The control mode can be automatically adjusted according to the power-on or power-off state, which is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 The partial cross-sectional structure of the present invention is schematically shown. Figure 1 ; Figure 3 The partial cross-sectional structure of the present invention is schematically shown. Figure 2 ; Figure 4 This is a schematic diagram of the square sleeve installation structure of the present invention; Markings in the figure: 1, housing; 2, swivel; 3, square sleeve; 4, first spline sleeve; 5, second spline sleeve; 6, limit sleeve; 7, push handle; 11, valve housing; 12, valve core; 21, first worm gear; 22, first worm; 23, square shaft; 24, pillow block; 31, spline shaft; 32, ring plate; 33, thrust bearing; 34, spline teeth; 35, guide slide; 36, push plate; 37, guide slide ; 38. In-position sensor; 39. Push-pull electromagnet; 41. Second worm gear; 42. Second worm; 43. Electronically controlled motor; 44. First rotating cylinder; 51. Second rotating cylinder; 52. Manual shaft cylinder; 53. Rotating handle; 61. First induction plate; 62. Second induction plate; 63. First limit sensor; 64. Second limit sensor; 65. Limit frame; 66. Indicator shaft; 67. Indicator needle; 71. Push rod. DETAILED DESCRIPTION

[0018] In order to make the technical means for realizing the present invention, the creative features, the objectives and effects to be achieved easily understood, the present invention is further described below with reference to specific diagrams.

[0019] like Figures 1 to 4 As shown, This embodiment provides an electric actuator valve and valve housing, including a housing 1 and a valve housing 11 arranged at the lower end of the housing 1, wherein a rotating assembly, an electric control assembly and a manual assembly arranged on one side of the rotating assembly are installed in the housing 1, and the rotating assembly is further provided with an adjustment assembly for switching the electric control assembly and the manual assembly so that the rotating assembly can be controlled manually or electrically respectively; The rotating assembly includes a rotating shaft 2 rotatably mounted on the housing 1, a first worm wheel 21 mounted on the rotating shaft 2, and a first worm 22 arranged on one side of the first worm wheel 21. The first worm 22 is arranged horizontally and is transmission-connected to the first worm wheel 21. A square shaft 23 is fixedly mounted on one side of the outer end of the first worm 22. The adjustment assembly includes a square sleeve 3 slidably mounted on the square shaft 23, and spline shafts 31 are respectively mounted on both sides of the square sleeve 3. The square sleeve 3 is located between the spline shafts 31 on both sides and is rotatably mounted on a ring plate 32, and is externally connected to a displacement member through the ring plate 32 to control the direction of the sleeve movement; The electronic control component includes a first spline sleeve 4 rotatably mounted on the housing 1, and the manual component includes a second spline sleeve 5 rotatably mounted on the housing 1. The first spline sleeve 4 and the second spline sleeve 5 are respectively arranged on both sides of the square sleeve 3 to respectively cooperate with the corresponding spline shafts 31 to achieve manual or electric switching adjustment.

[0020] In this embodiment, the swivel shaft 2 is a stepped shaft structure, and the casing 1 is respectively provided with a plurality of groups of bearings corresponding to the swivel shaft 2, and a pillow block 24 is fixedly installed at the lower end of the swivel shaft 2; the lower end of the casing 1 is fixedly connected to the valve housing 11 through a flange plate, and the valve housing 11 is provided with a valve core 12 for controlling on and off and a valve shaft for driving the valve core 12 to rotate, and the upper end of the valve shaft is fixedly connected to the pillow block 24 to control the rotation of the valve core 12 in the valve housing 11.

[0021] The rotating shaft 2 is located at the upper end of the first worm gear 21 and is also provided with a limit assembly, which includes a limit sleeve 6 and a first sensing plate 61 and a second sensing plate 62 fixedly installed on the outer end of the limit sleeve 6. A limit frame 65 is installed at the corresponding position of the housing 1. The first limit sensor 63 and the second limit sensor 64 are respectively provided on both sides of the limit frame 65 to respectively cooperate with the first sensing plate 61 and the second sensing plate 62 to limit the rotating shaft 2 and sense the position of the valve core 12. Specifically, when the first sensing plate 61 touches the first limit sensor 63, the valve core 12 is in a closed state. After detecting the signal of the first limit sensor 63, the controller can issue an indication and control the electric component to stop the action. When the second sensing plate 62 touches the second limit sensor 64, the valve core 12 is in an open state.

[0022] An indicator shaft 66 is fixedly provided at the upper end of the rotating shaft 2, and an indicator needle 67 is installed at the upper end of the indicator shaft 66. The indicator shaft 66 passes through the corresponding shaft hole of the casing 1, and a corresponding circular groove is provided at the upper end of the casing 1 corresponding to the indicator needle 67. A transparent glass is provided at the outer end of the circular groove, so that the position of the valve core 12 can be observed through the indicator needle 67, so that the position of the valve core 12 can be judged by using the indicator needle 67 when the power is off.

[0023] In this embodiment, the two ends of the first worm 22 are respectively rotated and installed in the corresponding bearings of the housing 1, one side of the square shaft 23 is integrally arranged with the first worm 22, and the other side is rotatably installed on the second spline sleeve 5; the square sleeve 3 and the spline shaft 31 are provided with communicating square holes corresponding to the square shaft 23, and are sleeved on the square shaft 23 through the square holes; the ring plate 32 is sleeved on the outer end of the square sleeve 3, and thrust bearings 33 are fixedly installed on both sides of the ring plate 32, and are rotatably connected with the spline shaft 31 through the thrust bearings 33, so that the ring plate 32 is rotatably installed on the square sleeve 3.

[0024] The electronic control component includes a second worm gear 41 rotatably mounted on the casing 1 and a second worm 42 matched with the second worm gear 41. The second worm gear 42 is vertically arranged and transmission-connected to the second worm gear 41. The second worm gear 42 is rotatably mounted in a bearing corresponding to the casing 1. An electronic control motor 43 transmission-connected to the second worm gear 42 is provided at the upper end of the casing 1 to control the rotation of the second worm gear 42. A first rotating cylinder 44 is fixedly mounted on the casing 1 corresponding to the second worm gear 41. A bearing is provided outside the first rotating cylinder 44. The second worm gear 41 is rotatably mounted on the first rotating cylinder 44 through the bearing. The first spline sleeve 4 is fixedly arranged on one side of the second worm gear 41 to be synchronously rotationally connected to the second worm gear 41. The first worm gear 22 passes through an opening corresponding to the first rotating cylinder 44.

[0025] The manual assembly includes a second rotating cylinder 51 fixedly mounted on the casing 1, a bearing is provided inside the second rotating cylinder 51, a manual shaft cylinder 52 is provided on one side of the second spline sleeve 5, the manual shaft cylinder 52 is rotatably mounted in the second rotating cylinder 51 through the bearing, and a rotary handle 53 is externally connected to the manual shaft cylinder 52 for manual operation by personnel.

[0026] The first spline sleeve 4 and the second spline sleeve 5 are respectively open structures facing the spline shaft 31. Spline grooves are distributed in the inner cavities of the first spline sleeve 4 and the second spline sleeve 5. The spline shaft 31 is respectively provided with spline teeth 34 corresponding to the spline grooves, so as to be inserted into the corresponding spline grooves for transmission connection through the spline teeth 34. Specifically, when the ring plate 32 drives the spline shaft 31 to be inserted into the first spline sleeve 4, the electric control motor 43 controls the second worm 42 to rotate, and drives the second worm wheel 41 to rotate through the second worm 42. The first spline sleeve 4 drives the spline shaft 31 to rotate, the change shaft drives the square shaft 23 to rotate, and the first worm 22 drives the first worm wheel 21 to rotate, thereby controlling the rotation of the rotating shaft 2 to achieve electric control. If the spline shaft 31 is inserted into the second spline sleeve 5, the first spline sleeve 4 is not connected to the spline shaft 31 at this time, and the personnel can control the rotation of the second spline sleeve 5 through the handle 53, so as to drive the square shaft 23 to rotate through the spline shaft 31, and use the first worm 22 to drive the first worm wheel 21 to rotate, thereby controlling the rotation of the rotating shaft 2 to achieve manual control.

[0027] In this embodiment, the displacement member includes a guide slide 35 fixedly installed in the casing 1 and a push plate 36 slidably installed on the guide slide 35. The push plate 36 is fixedly connected to the ring plate 32. The guide slide 35 includes two groups of frame plates arranged in parallel and guide slide rods 37 arranged on both sides of the frame plates. Slide cylinders are respectively provided on both sides of the push plate 36, and the push plate 36 is slidably installed on the guide slide rod 37 through the slide cylinders. In-position sensors 38 are provided on both sides of the frame plates to detect whether the push plate 36 is in place, so as to detect whether it is a manual connection or an electric connection state.

[0028] A push-pull electromagnet 39 for pushing the push plate 36 is provided on one side of the frame plate. The outer end of the shaft of the push-pull electromagnet 39 is fixedly connected to the push plate 36. When the push-pull electromagnet 39 is energized, the shaft of the push-pull electromagnet 39 extends out to insert the spline shaft 31 into the first spline sleeve 4 through the push plate 36 to achieve electric control. When the push-pull electromagnet 39 is powered off, the shaft of the push-pull electromagnet 39 is reset under the push of its own spring, and the push plate 36 is moved backward by the shaft to insert the spline shaft 31 into the second spline sleeve 5 to achieve manual control. The control mode can be automatically adjusted according to the power-on or power-off state, which is simple and convenient.

[0029] A push rod 71 is also fixedly installed on the upper end of the push plate 36. The push rod 71 passes through the corresponding movable groove of the casing 1. The push rod 71 is located at the outer end of the casing 1 and is provided with a push handle 7, which is convenient for personnel to manually control the movement of the push plate 36, and the manual or electric control mode can be determined according to the position of the push handle 7.

[0030] The beneficial effects of the present invention are as follows: the rotating assembly is connected to the electric control assembly or the manual assembly through the adjusting assembly to avoid the influence caused by the malfunction of other components and improve the accuracy of control. The rotating shaft 2 drives the first worm wheel 21 to rotate through the first worm 22 to achieve positive and negative rotation, so as to control the rotation of the valve core 12. By using the transmission principle of the worm and worm wheel, the driving force of the valve core 12 will not drive the first worm 22 to rotate through the first worm wheel 21, so as to ensure the stability of the valve core 12, and the rotating shaft 2 can be externally connected to a clutch to improve the stability when fixed.

[0031] The adjusting assembly drives the spline shafts 31 on both sides to move through the ring plate 32, so that the spline shaft 31 is inserted into the first spline sleeve 4 or the second spline sleeve 5. When the ring plate 32 drives the spline shaft 31 to be inserted into the first spline sleeve 4, the electric control motor 43 controls the second worm 42 to rotate, and drives the second worm wheel 41 to rotate through the second worm 42, the first spline sleeve 4 drives the spline shaft 31 to rotate, the change shaft drives the square shaft 23 to rotate, and the first worm 22 drives the first worm wheel 21 to rotate, thereby controlling the rotation of the rotating shaft 2 to achieve electric control. If the spline shaft 31 is inserted into the second spline sleeve 5, the first spline sleeve 4 is not connected to the spline shaft 31 at this time, and the personnel can control the rotation of the second spline sleeve 5 through the rotating handle 53, so as to drive the square shaft 23 to rotate through the spline shaft 31, and drive the first worm wheel 21 to rotate by the first worm 22, thereby controlling the rotation of the rotating shaft 2 to achieve manual control; the device is simple to control, convenient to operate, and quick to respond, and can quickly complete the switching between manual and electric.

[0032] Sensors 38 are provided on both sides of the frame plate to detect whether the push plate 36 is in place, so as to detect whether it is a manual connection or an electric connection state. When the push-pull electromagnet 39 is energized, the shaft of the push-pull electromagnet 39 extends out to insert the spline shaft 31 into the first spline sleeve 4 through the push plate 36 to realize electric control. When the push-pull electromagnet 39 is powered off, the shaft of the push-pull electromagnet 39 is reset under the push of its own spring, and the push plate 36 is moved backward by the shaft to insert the spline shaft 31 into the second spline sleeve 5 to realize manual control. The control mode can be automatically adjusted according to the power-on or power-off state, which is simple and convenient.

[0033] The above shows and describes the basic principle and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents. It should be noted that, in this article, if there are relational terms such as first and second, it is only used to distinguish one entity or operation from another entity or operation, and does not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the term "includes", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

Claims

1. An electric actuator valve and valve housing, comprising a housing (1) and a valve housing (11) arranged at the lower end of the housing (1), characterized in that: The housing (1) is provided with a rotating assembly, an electric control assembly and a manual assembly arranged on one side of the rotating assembly, and the rotating assembly is further provided with an adjustment assembly for switching the electric control assembly and the manual assembly so that the rotating assembly can be controlled manually or electrically respectively; The rotating assembly comprises a rotating shaft (2) rotatably mounted on the housing (1), a first worm wheel (21) mounted on the rotating shaft (2), and a first worm (22) arranged on one side of the first worm wheel (21); the first worm (22) is arranged transversely and is drivingly connected to the first worm wheel (21); a square shaft (23) is fixedly mounted on one side of the outer end of the first worm (22); The adjustment assembly comprises a square shaft sleeve (3) slidably mounted on a square shaft (23), spline shafts (31) are respectively mounted on both sides of the square shaft sleeve (3), the square shaft sleeve (3) is located between the spline shafts (31) on both sides and is rotatably mounted on a ring plate (32), and is externally connected to a displacement member through the ring plate (32) to control the direction of movement of the shaft sleeve; The electric control component comprises a first spline sleeve (4) rotatably mounted on the housing (1), and the manual component comprises a second spline sleeve (5) rotatably mounted on the housing (1), wherein the first spline sleeve (4) and the second spline sleeve (5) are respectively arranged on both sides of the square sleeve (3) to respectively cooperate with the corresponding spline shaft (31) to achieve manual or electric switching adjustment.

2. The electric actuator valve and valve housing according to claim 1, characterized in that: The rotary shaft (2) is a stepped shaft structure. The housing (1) is provided with a plurality of groups of bearings corresponding to the rotary shaft (2). A pillow block (24) is fixedly mounted on the lower end of the rotary shaft (2). The lower end of the housing (1) is fixedly connected to the valve housing (11) via a flange plate. A valve core (12) for controlling on / off and a valve shaft for driving the valve core (12) to rotate are provided in the valve housing (11). The upper end of the valve shaft is fixedly connected to the pillow block (24) to control the rotation of the valve core (12) in the valve housing (11).

3. The electric actuator valve and valve housing according to claim 2, characterized in that: The rotating shaft (2) is located at the upper end of the first worm gear (21) and is also provided with a limit assembly, the limit assembly comprising a limit sleeve (6) and a first sensing plate (61) and a second sensing plate (62) fixedly mounted on the outer end of the limit sleeve (6), a limit frame (65) is installed at a corresponding position of the housing (1), and a first limit sensor (63) and a second limit sensor (64) are respectively provided on both sides of the limit frame (65) to respectively cooperate with the first sensing plate (61) and the second sensing plate (62) to limit the rotating shaft (2) and sense the position of the valve core (12).

4. The electric actuator valve and valve housing according to claim 3, characterized in that: An indicating shaft (66) is fixedly provided at the upper end of the rotating shaft (2), and an indicating needle (67) is installed at the upper end of the indicating shaft (66). The indicating shaft (66) passes through an axial hole corresponding to the housing (1), and a corresponding circular groove is provided at the upper end of the housing (1) corresponding to the indicating needle (67). A transparent glass is provided at the outer end of the circular groove so that the position of the valve core (12) can be observed through the indicating needle (67).

5. The electric actuator valve and valve housing according to claim 3, characterized in that: The two ends of the first worm (22) are respectively rotated and mounted in the corresponding bearings of the housing (1); one side of the square shaft (23) is integrally arranged with the first worm (22), and the other side is rotatably mounted on the second spline sleeve (5); the square sleeve (3) and the spline shaft (31) are provided with communicating square holes corresponding to the square shaft (23), and are sleeved on the square shaft (23) through the square holes; the ring plate (32) is sleeved on the outer end of the square sleeve (3), and thrust bearings (33) are fixedly mounted on both sides of the ring plate (32), and are rotatably connected to the spline shaft (31) through the thrust bearings (33), so that the ring plate (32) is rotatably mounted on the square sleeve (3).

6. The electric actuator valve and valve housing according to claim 5, characterized in that: The electric control component comprises a second worm gear (41) rotatably mounted on the casing (1) and a second worm (42) matched with the second worm gear (41); the second worm gear (42) is vertically arranged and transmission-connected to the second worm gear (41); the second worm gear (42) is rotatably mounted in a bearing corresponding to the casing (1); an electric control motor (43) transmission-connected to the second worm gear (42) is provided at the upper end of the casing (1) to control the rotation of the second worm gear (42); a first rotating cylinder (44) is fixedly mounted on the casing (1) corresponding to the second worm gear (41); a bearing is provided outside the first rotating cylinder (44); the second worm gear (41) is rotatably mounted on the first rotating cylinder (44) through the bearing; the first spline sleeve (4) is fixedly arranged on one side of the second worm gear (41) to be synchronously rotationally connected to the second worm gear (41); and the first worm gear (22) passes through an opening corresponding to the first rotating cylinder (44).

7. The electric actuator valve and valve housing according to claim 6, characterized in that: The manual assembly comprises a second rotating cylinder (51) fixedly mounted on the housing (1), a bearing being arranged inside the second rotating cylinder (51), a manual shaft cylinder (52) being arranged on one side of the second spline sleeve (5), the manual shaft cylinder (52) being rotatably mounted inside the second rotating cylinder (51) via the bearing, and a rotary handle (53) being externally connected to the manual shaft cylinder (52).

8. The electric actuator valve and valve housing according to claim 7, characterized in that: The first spline sleeve (4) and the second spline sleeve (5) are both open structures on the side facing the spline shaft (31); spline grooves are distributed in the inner cavities of the first spline sleeve (4) and the second spline sleeve (5); and the spline shaft (31) is respectively provided with spline teeth (34) corresponding to the spline grooves, so that the spline teeth (34) are inserted into the corresponding spline grooves for transmission connection.

9. The electric actuator valve and valve housing according to claim 1, characterized in that: The displacement member comprises a guide slide frame (35) fixedly mounted in the housing (1) and a push plate (36) slidably mounted on the guide slide frame (35); the push plate (36) is fixedly connected to the ring plate (32); the guide slide frame (35) comprises two sets of frame plates arranged in parallel and guide slide rods (37) arranged on both sides of the frame plates; slide cylinders are respectively arranged on both sides of the push plate (36) and are slidably mounted on the guide slide rods (37) through the slide cylinders; and in-position sensors (38) are arranged on both sides of the frame plates to detect whether the push plate (36) is in position, so as to detect whether it is a manual connection or an electric connection state.

10. The electric actuator valve and valve housing according to claim 9, characterized in that: A push-pull electromagnet (39) for pushing the push plate (36) is provided on one side of the frame plate. The outer end of the shaft of the push-pull electromagnet (39) is fixedly connected to the push plate (36). When the push-pull electromagnet (39) is energized, the shaft of the push-pull electromagnet (39) extends out to insert the spline shaft (31) into the first spline sleeve (4) through the push plate (36) to achieve electric control. When the push-pull electromagnet (39) is powered off, the shaft of the push-pull electromagnet (39) is reset under the push of its own spring, and the shaft is used to move the push plate (36) backward so that the spline shaft (31) is inserted into the second spline sleeve (5) to achieve manual control. A push rod (71) is also fixedly installed on the upper end of the push plate (36). The push rod (71) passes through the corresponding movable groove of the casing (1). The push rod (71) is located at the outer end of the casing (1) and is provided with a push handle (7).

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