Electrically operated gate valve

Abstract

The application discloses an electric gate valve. The electric gate valve comprises a frame body, a gate plate slidably connected to the frame body, the gate plate being used for opening or closing a gate, the gate plate comprising a rack extending along a sliding direction of the gate plate, and a controller installed on the frame body, the controller comprising a driving assembly and an output gear in transmission connection with the driving assembly, the output gear being engaged with the rack, wherein the output gear is a helical gear and the rack is a helical rack. According to the electric gate valve, the electric switching of water on-off is realized, and the switching of water on-off is realized in a more labor-saving manner. When the electric gate valve is applied to an irrigation system containing silt, the silt adhered to the rack can be extruded to one side of the helical rack in the engagement process of the helical gear and the helical rack, so that the silt is discharged from the rack, and the risk of the rack being stuck due to silt accumulation in the engagement process of the rack and the output gear is reduced.

Description

Technical Field

[0001] This application relates to the field of gate valves, and particularly to an electric gate valve. Background Technology

[0002] Farmland irrigation is a crucial link in ensuring stable and high crop yields. In related technologies, multiple isolated farmlands are separated from irrigation ditches by field ridges, with inlets connecting the ditches to the farmlands. These technologies employ a completely manual method to switch whether water can flow through the inlets, thus controlling whether water from the irrigation ditches flows into the farmlands. Specifically, when the inlet needs to be closed, it is manually sealed with plugs such as stones or bags of soil; when it needs to be opened, the plugs are removed manually. This entirely manual method of switching whether water can flow through the inlets is quite labor-intensive. Utility Model Content

[0003] This application provides an electric gate valve that can switch the flow of water on and off in a more labor-saving manner.

[0004] This application provides an electric gate valve, comprising: a frame including a gate opening; a gate plate slidably connected to the frame, the gate plate being used to open or close the gate opening, the gate plate including a rack extending along the slidable direction of the gate plate; and a controller mounted on the frame, the controller including a drive assembly and an output gear pulverizedly connected to the drive assembly, the output gear meshing with the rack, wherein the output gear is a helical gear and the rack is a helical rack.

[0005] According to the foregoing embodiments of this application, the rack has a plurality of toothed grooves, and the rack includes a through hole penetrating the toothed grooves.

[0006] According to any of the foregoing embodiments of this application, the gate further includes a gate body, the rack has a first surface facing away from the gate body and a second surface facing the gate body, the plurality of toothed grooves are located on the first surface, a mud discharge space is provided between the second surface of the rack and the gate body, and the through hole communicates with the mud discharge space.

[0007] According to any of the foregoing embodiments of this application, at least a portion of the rack and the gate body are spaced apart, and the sludge discharge space includes the spaced area between the rack and the gate body.

[0008] According to any of the foregoing embodiments of this application, the second surface of the rack is provided with at least one groove, and the mud discharge space includes the at least one groove.

[0009] According to any of the foregoing embodiments of this application, the gate further includes a gate body, and the rack and the gate body are integrally formed; or, the gate further includes a gate body, and the rack and the gate body are separately connected.

[0010] According to any of the foregoing embodiments of this application, the output gear includes a gear portion and an abutment portion, the abutment portion being located on at least one side of the gear portion along the axial direction, the outer peripheral contour dimension of the abutment portion being larger than the outer peripheral contour dimension of the gear portion, and the abutment portion abutting against the side wall of the rack.

[0011] According to any of the foregoing embodiments of this application, the controller further includes a controller base plate and a controller housing, the controller housing is mounted on the controller base plate, the drive assembly is mounted on the controller housing, the controller base plate is provided with a hollow portion, and the output gear passes through the hollow portion to mesh with the rack.

[0012] According to any of the foregoing embodiments of this application, the hollow portion has a first limiting edge and a second limiting edge disposed opposite to each other along the axial direction of the output gear, and the output gear is located between the first limiting edge and the second limiting edge.

[0013] According to any of the foregoing embodiments of this application, the controller base plate is connected to the frame, the gate is disposed between the controller base plate and the frame, and there is a movable space between the controller base plate and the frame so that the gate can slide in the movable space.

[0014] According to any of the foregoing embodiments of this application, the gate is capable of sliding up and down relative to the frame; the left and right ends of the controller base plate are connected to the left and right ends of the frame; in the left and right direction, the rack is located at the center of the gate, the controller housing is located on one side of the controller base plate, and the output gear is located on the outside of the controller housing facing the rack.

[0015] According to any of the foregoing embodiments of this application, the rack comprises two racks, which are symmetrically arranged on the left and right sides of the gate.

[0016] According to an embodiment of this application, the electric gate valve includes a frame, a gate plate, and a controller. The frame includes a gate opening, and the gate plate is slidably connected to the frame. By sliding the gate plate, the gate opening can be opened or closed. The gate plate includes a rack extending along the sliding direction of the gate plate. The controller includes a drive assembly and an output gear driven by the drive assembly. The output gear meshes with the rack. The drive assembly drives the output gear to rotate, and the meshing transmission between the output gear and the rack can drive the gate plate to slide in the direction of opening the gate opening or in the direction of closing the gate opening, thereby electrically realizing the opening or closing of the gate opening. When the gate opening is closed, the water flow is blocked by the gate plate; when the gate opening is open, the water flow can pass through the gate opening. This embodiment of the application realizes the electric switching of water flow by driving the gate plate with the controller, switching the water flow in a more labor-saving way. According to the electric gate valve of the present application embodiment, the output gear is a helical gear and the rack is a helical rack. When the electric gate valve is applied to an irrigation system containing silt, the silt adhering to the rack will be squeezed to one side of the helical rack during the meshing process of the helical gear and the helical rack, thereby discharging the silt from the rack and reducing the risk of jamming due to silt accumulation during the meshing process of the rack and the output gear. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0018] Figure 1 This is a front view schematic diagram of an embodiment of the electric gate valve of this application; Figure 2 This is an exploded perspective view of an embodiment of the electric gate valve of this application; Figure 3 This is a front view schematic diagram of the gate plate in one embodiment of the electric gate valve of this application; Figure 4 This is a three-dimensional exploded view of a portion of the controller structure in one embodiment of the electric gate valve of this application; Figure 5 This is a perspective view of the controller base plate in one embodiment of the electric gate valve of this application; Figure 6 This is a front view schematic diagram of another embodiment of the electric gate valve of this application, in which the gate is installed in the frame; Figure 7 for Figure 6 A magnified view of a portion of region A in the middle; Figure 8This is a perspective view of the rack in another embodiment of the electric gate valve of this application; Figure 9 This is a perspective view of the rack in another embodiment of the electric gate valve of this application; Figure 10 This is a three-dimensional schematic diagram of the gate plate rack and output gear in meshing state in another embodiment of the electric gate valve of this application; Figure 11 for Figure 10 A magnified view of a portion of region B in the middle; Figure 12 This is a perspective view of the rack in another embodiment of the electric gate valve of this application; Figure 13 This is a three-dimensional schematic diagram of the output gear and rack meshing state in another embodiment of the electric gate valve of this application; Figure 14 This is a schematic diagram illustrating an embodiment of the electric gate valve of this application applied to a farmland irrigation scenario.

[0019] Explanation of reference numerals in the attached figures: Electric gate valve-100; Frame - 110; Gate - 1111; Slide - 1112; Gate plate - 120; Gate plate body - 121; Rack - 122; First surface - 122a; Second surface - 122b; Connecting part - 1221; Tooth groove - 1222; Through hole - 1223; Groove - 1224; Controller-130; Drive assembly-133; Rotation drive component-1331; Transmission unit-1332; Output gear-134; Gear section-1341; Abutment section-1342; Controller base plate-131; Hollowed-out section-1311; First limiting edge-E1; Second limiting edge-E2; Controller housing-132; Control circuit board-135; Antenna assembly-140; Agricultural Irrigation System - 200; Farmland -300; Field ridge - 400; Connecting pipe - 500. Detailed Implementation

[0020] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0021] It should be noted that all directional indications in the embodiments of this application, such as up, down, left, right, front, back, etc., are only used to explain the relative positional relationship and movement of the components in a specific posture as shown in the attached figure. If the specific posture changes, the directional indication will also change accordingly.

[0022] Furthermore, the use of terms such as "first" and "second" in this application is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed in this application.

[0023] This application provides an electric gate valve. Figure 1 , Figure 2 These are a front view and an exploded perspective view of an embodiment of the electric gate valve of this application. The electric gate valve includes a frame 110, a gate 120, and a controller 130. The frame 110 includes a gate opening 1111.

[0024] Figure 3 This is a front view schematic diagram of a gate plate in one embodiment of the electric gate valve of this application. The gate plate 120 is slidably connected to the frame 110, and the gate plate 120 is used to open or close the gate 1111. The gate plate 120 includes a rack 122 extending along the slidable direction of the gate plate 120.

[0025] Figure 4 This is an exploded perspective view of a portion of the controller structure in one embodiment of the electric gate valve of this application. The controller 130 is mounted on the frame 110. The controller 130 includes a drive assembly 133 and an output gear 134 that is drively connected to the drive assembly 133. The output gear 134 meshes with a rack 122.

[0026] In this embodiment, the output gear 134 is a helical gear and the rack 122 is a helical rack. When there is mud or sand on the rack, the axial force during the helical meshing process can easily discharge the mud and sand between the teeth, reducing the risk of the gear and rack getting stuck due to mud and sand during meshing.

[0027] According to an embodiment of this application, an electric gate valve 100 includes a frame 110, a gate 120, and a controller 130. The frame 110 includes a gate opening 1111. The gate 120 is slidably connected to the frame 110, and by sliding the gate 120, the gate opening 1111 can be opened or closed. The gate 120 includes a rack 122 extending along the slidable direction of the gate 120. The controller 130 includes a drive assembly 133 and an output gear 134 that is pultrusively connected to the drive assembly 133. The output gear 134 meshes with the rack 122. The drive assembly 133 drives the output gear 134 to rotate. The output gear 134 meshes with the rack 122, which drives the gate 120 to slide in the direction of opening the gate 1111 or in the direction of closing the gate 1111, thereby electrically opening or closing the gate 1111. When the gate 1111 is closed, the water flow is blocked by the gate 120. When the gate 1111 is open, the water flow can pass through the gate 1111. In this embodiment, the controller 130 drives the gate 120 to move, realizing the electric switching of water flow, which saves more manpower in switching the water flow. According to the electric gate valve 100 of this application embodiment, the output gear 134 is a helical gear and the rack 122 is a helical rack. When the electric gate valve 100 is applied to an irrigation system containing silt, the silt adhering to the rack 122 will be squeezed to one side of the helical rack during the meshing process of the helical gear and the helical rack, thereby discharging the silt from the rack 122 and reducing the risk of the rack 122 getting stuck due to the accumulation of silt during the meshing process of the output gear 134.

[0028] In some embodiments, the drive assembly 133 includes a rotation drive 1331 and a transmission unit 1332, wherein the rotation drive 1331 is connected to the output gear 134 via the transmission unit 1332. The rotation drive 1331 is, for example, a motor, and the transmission unit 1332 includes, for example, a gearbox.

[0029] In some embodiments, the gate 120 further includes a gate body 121, and the rack 122 and the gate body 121 are integrally formed.

[0030] In the above embodiment, the rack 122 is integrally formed on one side surface of the gate body 121, and there will be no accidental misalignment between the rack 122 and the gate body 121, thus ensuring the transmission stability of the electric gate valve 100 during the sliding process of driving the gate 120.

[0031] like Figure 2 In some embodiments, the controller 130 further includes a controller base plate 131 and a controller housing 132. The controller housing 132 is mounted on the controller base plate 131. The drive assembly 133 and the output gear 134 are mounted on the controller housing 132.

[0032] Figure 5 This is a perspective view of the controller base plate in one embodiment of the electric gate valve of this application. In this embodiment, the controller base plate 131 is provided with a hollow portion 1311, and the output gear 134 passes through the hollow portion 1311 and meshes with the rack 122.

[0033] In this embodiment, the frame 110 has a slide groove 1112, and the gate 120 is inserted into the slide groove 1112. The controller base plate 131 is located on the side of the gate 120 where the rack 122 is located, and the controller housing 132 is located on the side of the controller base plate 131 away from the gate 120, that is, the controller base plate 131 is located between the gate 120 and the controller housing 132. By providing a hollow portion 1311 on the controller base plate 131, it can be ensured that the output gear 134 installed on the controller housing 132 can mesh with the rack 122.

[0034] like Figure 5 In some embodiments, the cutout portion 1311 has a first limiting edge E1 and a second limiting edge E2 disposed opposite to each other along the axial direction of the output gear 134, and the output gear 134 is located between the first limiting edge E1 and the second limiting edge E2.

[0035] In the above embodiment, since the output gear 134 is a helical gear and the rack 122 is a helical rack, during meshing, the output gear 134 and the rack 122 will have a component force that compresses the other along the axial direction of the output gear 134, and the output gear 134 and the rack 122 will have a relative movement tendency in the axial direction of the output gear 134. Since the hollow portion 1311 has a first limiting edge E1 and a second limiting edge E2 that are arranged opposite to each other along the axial direction of the output gear 134, the first limiting edge E1 and the second limiting edge E2 can limit the axial movement of the output gear 134, thereby preventing the output gear 134 from having excessive axial displacement and ensuring the stability of the meshing between the output gear 134 and the rack 122.

[0036] In some embodiments, the controller base plate 131 is connected to the frame 110, and the gate 120 is disposed between the controller base plate 131 and the frame 110. There is a movable space between the controller base plate 131 and the frame 110 so that the gate 120 can slide in the movable space.

[0037] In some embodiments, the gate 120 can slide up and down relative to the frame 110. In this embodiment, the left and right ends of the controller base plate 131 are connected to the left and right ends of the frame 110. In the left-right direction, the rack 122 is located at the center of the gate 120, the controller housing 132 is located on one side of the controller base plate 131, and the output gear 134 is located on the outside of the controller housing 132 facing the rack 122. Since the rack 122 is located at the center of the gate 120, the asymmetrical deformation of the gate 120 caused by uneven force on the left and right sides after long-term use can be reduced.

[0038] In the above-described embodiment, the number of racks 122 is one. In other embodiments, racks 122 may include two racks 122, which are symmetrically arranged on the left and right sides of the gate 120. This can also reduce the asymmetrical deformation of the gate 120 caused by uneven force on the left and right sides after long-term use.

[0039] like Figure 3 In some embodiments, the controller 130 includes a control circuit board 135, which includes a communication module for communicating with external devices to facilitate remote control of the electric gate valve 100 and remote reception of the status information of the electric gate valve 100.

[0040] like Figure 1 , Figure 2 In some embodiments, the electric gate valve 100 further includes an antenna assembly 140, which is electrically connected to the controller 130 via a connecting cable. Specifically, the antenna assembly 140 is electrically connected to the control circuit board 135 via a connecting cable. The communication module can send and receive information via the antenna assembly 140, enabling wireless communication between the electric gate valve 100 and other devices.

[0041] In the above embodiments, the rack 122 and the gate body 121 are integrally formed. In other embodiments, the rack 122 and the gate body 121 may not be integrally formed. In the above embodiments, the rack 122 is a helical rack, and this rack 122 structure is just one example. In other embodiments, the rack 122 may also have other forms of structure.

[0042] Figure 6 This is a front view schematic diagram of another embodiment of the electric gate valve of this application, in which the gate is installed in the frame. Figure 7 for Figure 6A partially enlarged schematic diagram of region A. In another embodiment, the electric gate valve includes a frame 110, a gate 120, and a controller 130. The frame 110 includes a gate opening 1111. The gate 120 is slidably connected to the frame 110 and is used to open or close the gate opening 1111. The gate 120 includes a rack 122 extending along the slidable direction of the gate 120. The controller 130 is mounted on the frame 110. The controller 130 includes a drive assembly 133 and an output gear 134 drivenly connected to the drive assembly 133. The output gear 134 meshes with the rack 122.

[0043] For example, in this embodiment, the output gear 134 is a spur gear and the rack 122 is a spur rack.

[0044] In this embodiment, the rack 122 has a plurality of toothed grooves 1222 and the rack 122 includes a through hole 1223 through the toothed grooves 1222.

[0045] In the above embodiment, when the electric gate valve 100 is applied to an irrigation system containing silt, at least some of the silt adhering to the rack 122 will be squeezed out during the meshing of the output gear 134 and the rack 122, and squeezed out of the rack 122 through the through hole 1223, which can reduce the risk of the rack 122 getting stuck due to the accumulation of silt during the meshing of the output gear 134.

[0046] Exemplarily, in this embodiment, the gate 120 further includes a gate body 121, and the rack 122 is separately connected to the gate body 121. The separately connected rack 122 and the gate body 121 can be fixedly connected by a connector, such as by fasteners like screws. In one embodiment, the rack 122 is detachably connected to the gate body 121, facilitating replacement or maintenance of the rack 122. For example, after long-term use of the electric gate valve 100, when the rack 122 experiences significant wear, the wear problem can be solved at a lower cost by removing the old rack 122 and replacing it with a new one. In one example, the rack 122 includes a connecting portion 1221, which can be detachably connected to the gate body 121 by fasteners, thereby achieving a detachable connection between the rack 122 and the gate body 121.

[0047] Figure 8 , Figure 9This is a perspective view of the rack from different angles in another embodiment of the electric gate valve of this application. In some embodiments, the gate 120 further includes a gate body 121. The rack 122 has a first surface 122a facing away from the gate body 121 and a second surface 122b facing the gate body 121. A plurality of teeth 1222 are located on the first surface 122a; specifically, the plurality of teeth 1222 are spaced apart along the slidable direction of the gate 120 on the first surface 122a. A sludge discharge space is provided between the second surface 122b of the rack 122 and the gate body 121. A through hole 1223 communicates with the sludge discharge space.

[0048] By providing a mud discharge space on the second surface 122b of the rack 122 and providing a through hole 1223 on the rack 122 that extends from the tooth groove 1222 to the mud discharge space, when the electric gate valve 100 is applied to an irrigation system containing mud and sand, at least some of the mud and sand adhering to the rack 122 will be squeezed during the meshing of the output gear 134 and the rack 122, and squeezed into the mud discharge space through the through hole 1223, further discharging more mud and sand from the rack 122, and further reducing the risk of the rack 122 getting stuck due to mud and sand accumulation during the meshing of the output gear 134.

[0049] Optionally, at least a portion of the rack 122 is spaced apart from the gate body 121, and the sludge discharge space includes the spaced area between the rack 122 and the gate body 121. In the above optional embodiment, during the meshing process of the output gear 134 and the rack 122, at least a portion of the mud and sand adhering to the rack 122 is squeezed into the sludge discharge space through the through hole 1223, and can be washed away in the spaced area between the rack 122 and the gate body 121, thus maintaining sufficient sludge discharge space for a long time.

[0050] like Figure 9 Optionally, the second surface 122b of the rack 122 is provided with at least one groove 1224, and the mud discharge space includes at least one groove 1224. In some embodiments, the number of grooves 1224 on the rack 122 is a single groove, which extends along the arrangement direction of the plurality of tooth grooves 1222, and the through hole 1223 penetrates from the bottom of the groove 1222 of the first surface 122a to the bottom of the groove 1224 on the second surface 122b. In some embodiments, the number of grooves 1224 on the rack 122 can be other numbers, such as two, three, four, etc., and the through hole 1223 at each tooth groove 1222 communicates with the corresponding groove 1224.

[0051] In the above embodiment, during the meshing process of the output gear 134 and the rack 122, at least some of the mud and sand adhering to the rack 122 are squeezed into the groove 1224 of the second surface 122b of the rack 122 through the through hole 1223, which facilitates the further discharge of more mud and sand from the rack 122, thereby further reducing the risk of the rack 122 getting stuck due to the accumulation of mud and sand during the meshing process of the output gear 134.

[0052] Figure 10 This is a three-dimensional schematic diagram of the gate plate in the meshing state of the rack and pinion and the output gear in another embodiment of the electric gate valve of this application. Figure 11 for Figure 10 A partially enlarged schematic diagram of region B. In another embodiment, the electric gate valve includes a frame 110, a gate 120, and a controller 130. The frame 110 includes a gate opening 1111. The gate 120 is slidably connected to the frame 110 and is used to open or close the gate opening 1111. The gate 120 includes a rack 122 extending along the slidable direction of the gate 120. The controller 130 is mounted on the frame 110. The controller 130 includes a drive assembly 133 and an output gear 134 pulvinctly connected to the drive assembly 133. The output gear 134 meshes with the rack 122.

[0053] For example, in this embodiment, the output gear 134 is a helical gear and the rack 122 is a helical rack.

[0054] In this embodiment, the rack 122 has a plurality of toothed grooves 1222 and the rack 122 includes a through hole 1223 through the toothed grooves 1222.

[0055] In the above embodiments, on the one hand, the output gear 134 is a helical gear and the rack 122 is a helical rack. When the electric gate valve 100 is applied to an irrigation system containing silt, the silt adhering to the rack 122 will be squeezed to one side of the helical rack during the meshing of the helical gear and the helical rack, thereby discharging the silt from the rack 122 and reducing the risk of the rack 122 getting stuck due to silt accumulation during the meshing of the output gear 134. On the other hand, the rack 122 includes a through hole 1223 penetrating the tooth groove 1222. At least some of the silt adhering to the rack 122 will be squeezed during the meshing of the output gear 134 and the rack 122, and squeezed out of the rack 122 through the through hole 1223, thereby further reducing the risk of the rack 122 getting stuck due to silt accumulation during the meshing of the output gear 134.

[0056] For example, in this embodiment, the gate 120 further includes a gate body 121, and the rack 122 and the gate body 121 are integrally formed. In the above embodiment, the rack 122 is integrally formed on one side surface of the gate body 121, and there will be no accidental misalignment between the rack 122 and the gate body 121, thus ensuring the transmission stability of the electric gate valve 100 during the sliding process of driving the gate 120.

[0057] Figure 12 This is a perspective view of the rack in another embodiment of the electric gate valve of this application. In some embodiments, the gate 120 further includes a gate body 121. The rack 122 has a first surface 122a facing away from the gate body 121 and a second surface 122b facing the gate body 121. A plurality of teeth 1222 are located on the first surface 122a; specifically, the plurality of teeth 1222 are spaced apart along the slidable direction of the gate 120 on the first surface 122a. A sludge discharge space is provided between the second surface 122b of the rack 122 and the gate body 121. A through hole 1223 communicates with the sludge discharge space. By providing a mud discharge space on the second surface 122b of the rack 122 and providing a through hole 1223 on the rack 122 that extends from the tooth groove 1222 to the mud discharge space, when the electric gate valve 100 is applied to an irrigation system containing mud and sand, at least some of the mud and sand adhering to the rack 122 will be squeezed during the meshing of the output gear 134 and the rack 122, and squeezed into the mud discharge space through the through hole 1223, further discharging more mud and sand from the rack 122, and further reducing the risk of the rack 122 getting stuck due to mud and sand accumulation during the meshing of the output gear 134.

[0058] like Figure 12 Optionally, the second surface 122b of the rack 122 is provided with at least one groove 1224, and the mud discharge space includes at least one groove 1224. In the above embodiment, during the meshing process of the output gear 134 and the rack 122, at least some of the mud and sand adhering to the rack 122 is squeezed into the groove 1224 of the second surface 122b of the rack 122 through the through hole 1223, which facilitates the further discharge of more mud and sand from the rack 122, thereby further reducing the risk of the rack 122 getting stuck due to mud and sand accumulation during the meshing process of the output gear 134.

[0059] In some embodiments, the rack 122 has a single groove 1224, which extends along the arrangement direction of the plurality of toothed grooves 1222. A through hole 1223 extends from the bottom of each toothed groove 1222 on the first surface 122a to the bottom of the groove 1224 on the second surface 122b. In some embodiments, the rack 1222 may have other numbers of grooves 1224, such as two, three, or four, and the through hole 1223 at each toothed groove 1222 communicates with the corresponding groove 1224.

[0060] In the above embodiment, during the meshing process of the output gear 134 and the rack 122, at least some of the mud and sand adhering to the rack 122 are squeezed into the groove 1224 of the second surface 122b of the rack 122 through the through hole 1223, which facilitates the further discharge of more mud and sand from the rack 122, thereby further reducing the risk of the rack 122 getting stuck due to the accumulation of mud and sand during the meshing process of the output gear 134.

[0061] Figure 13 This is a perspective view of the output gear and rack meshing state in another embodiment of the electric gate valve of this application. In some embodiments, the output gear 134 includes a gear portion 1341 and an abutment portion 1342. The abutment portion 1342 is located on at least one side of the gear portion 1341 along the axial direction. The outer peripheral contour dimension of the abutment portion 1342 is larger than the outer peripheral contour dimension of the gear portion 1341. The abutment portion 1342 abuts against the side wall of the rack 122.

[0062] In the above embodiment, since the output gear 134 is a helical gear and the rack 122 is a helical rack, during meshing, one of the output gear 134 and the rack 122 will exert a component force that compresses the other along the axial direction of the output gear 134, and the output gear 134 and the rack 122 will tend to move relative to each other along the axial direction of the output gear 134. By providing an abutment portion 1342 on the output gear 134, which abuts against the side wall of the rack 122, the relative movement between the output gear 134 and the rack 122 along the axial direction of the output gear 134 can be limited, ensuring the stability of the meshing of the output gear 134 and the rack 122.

[0063] In some embodiments, the controller 130 further includes a controller base plate 131 and a controller housing 132. The controller housing 132 is mounted on the controller base plate 131. The drive assembly 133 and the output gear 134 are mounted on the controller housing 132. In this embodiment, the controller base plate 131 has a cutout portion 1311, through which the output gear 134 passes and meshes with the rack 122. By providing the cutout portion 1311 on the controller base plate 131, it can be ensured that the output gear 134 mounted on the controller housing 132 can mesh with the rack 122.

[0064] In some embodiments, the controller base plate 131 is connected to the frame 110, and the gate 120 is disposed between the controller base plate 131 and the frame 110. There is a movable space between the controller base plate 131 and the frame 110 so that the gate 120 can slide in the movable space.

[0065] In some embodiments, the gate 120 can slide up and down relative to the frame 110. In this embodiment, the left and right ends of the controller base plate 131 are connected to the left and right ends of the frame 110. In the left-right direction, the rack 122 is located at the center of the gate 120, the controller housing 132 is located on one side of the controller base plate 131, and the output gear 134 is located on the outside of the controller housing 132 facing the rack 122. Since the rack 122 is located at the center of the gate 120, the asymmetrical deformation of the gate 120 caused by uneven force on the left and right sides after long-term use can be reduced.

[0066] In the above-described embodiment, the number of racks 122 is one. In other embodiments, racks 122 may include two racks 122, which are symmetrically arranged on the left and right sides of the gate 120. This can also reduce the asymmetrical deformation of the gate 120 caused by uneven force on the left and right sides after long-term use.

[0067] Figure 14 This is a schematic diagram illustrating an embodiment of the electric gate valve of this application applied to a farmland irrigation scenario. The electric gate valve can be used in a farmland system. The farmland system includes a irrigation canal 200 and multiple farmlands 300 separated from each other, each farmland 300 being separated from the irrigation canal 200 by a field ridge 400. An electric gate valve 100 is disposed on the field ridge 400, and the electric gate valve 100 is used to connect or separate the farmland 300 from the irrigation canal 200. The farmland system may include multiple farmlands 300; in some embodiments, the number of electric gate valves 100 may be multiple, with each electric gate valve 100 corresponding to one farmland 300.

[0068] In some embodiments, the electric gate valve includes a frame 110, a gate 120, and a controller 130. The frame 110 includes a gate 1111. The gate 120 is slidably connected to the frame 110 and is used to open or close the gate 1111. The gate 120 includes a rack 122 extending along the slidable direction of the gate 120. The controller 130 is mounted on the frame 110. The controller 130 includes a drive assembly 133 and an output gear 134 throttle-connected to the drive assembly 133. The output gear 134 meshes with the rack 122.

[0069] In some embodiments, the output gear 134 is a helical gear and the rack 122 is a helical rack.

[0070] According to the electric gate valve 100 of the above embodiment, the output gear 134 is a helical gear and the rack 122 is a helical rack. When the electric gate valve 100 is applied to an irrigation system containing silt, the silt adhering to the rack 122 will be squeezed to one side of the helical rack during the meshing process of the helical gear and the helical rack, thereby discharging the silt from the rack 122 and reducing the risk of the rack 122 getting stuck due to the accumulation of silt during the meshing process of the output gear 134.

[0071] In some embodiments, the electric gate valve includes a frame 110, a gate 120, and a controller 130. The frame 110 includes a gate 1111. The gate 120 is slidably connected to the frame 110 and is used to open or close the gate 1111. The gate 120 includes a rack 122 extending along the slidable direction of the gate 120. The controller 130 is mounted on the frame 110. The controller 130 includes a drive assembly 133 and an output gear 134 throttle-connected to the drive assembly 133. The output gear 134 meshes with the rack 122.

[0072] In some embodiments, the rack 122 has a plurality of toothed grooves 1222 and the rack 122 includes a through hole 1223 extending through the toothed grooves 1222.

[0073] According to the above embodiment, when the electric gate valve 100 is applied to an irrigation system containing silt, at least some of the silt adhering to the rack 122 will be squeezed out during the meshing of the output gear 134 and the rack 122, and squeezed out of the rack 122 through the through hole 1223, thereby reducing the risk of the rack 122 getting stuck due to silt accumulation during the meshing of the output gear 134.

[0074] In some embodiments, the field ridge 400 is provided with a connecting pipe 500 connecting the farmland 300 and the irrigation ditch 200. The frame 110 of the electric gate valve 100 is connected to the connecting pipe 500, wherein the gate 1111 of the frame 110 is correspondingly connected to the connecting pipe 500. The connecting pipe 500 can be a rigid pipe or a deformable pipe, for example, a corrugated pipe. The material of the connecting pipe 500 can be a polymer, such as polyvinyl chloride (PVC).

[0075] The above description is merely a preferred embodiment of this application and does not limit the patent scope of this application. Any equivalent structural transformations made based on the concept of this application and the contents of the specification and drawings of this application, or direct / indirect applications in other related technical fields, are included within the patent protection scope of this application.

Claims

1. An electric gate valve, characterized in that, include: A frame, the frame including a gate; A gate, slidably connected to the frame, the gate being used to open or close the gate opening, the gate including a rack extending along the slidable direction of the gate; A controller, mounted on the frame, includes a drive assembly and an output gear that is pulsatingly connected to the drive assembly. The output gear meshes with the rack. The output gear is a helical gear, and the rack is a helical rack.

2. The electric gate valve as described in claim 1, characterized in that, The rack has multiple toothed grooves, and the rack includes through holes extending through the toothed grooves.

3. The electric gate valve as described in claim 2, characterized in that, The gate also includes a gate body, the rack has a first surface facing away from the gate body and a second surface facing the gate body, the plurality of toothed grooves are located on the first surface, a mud discharge space is provided between the second surface of the rack and the gate body, and the through hole communicates with the mud discharge space.

4. The electric gate valve as described in claim 3, characterized in that, At least a portion of the rack is spaced apart from the gate body, and the sludge discharge space includes the spaced area between the rack and the gate body.

5. The electric gate valve as described in claim 3, characterized in that, The second surface of the rack is provided with at least one groove, and the mud discharge space includes the at least one groove.

6. The electric gate valve as described in claim 1, characterized in that, The gate also includes a gate body, and the rack and the gate body are integrally formed; or, the gate also includes a gate body, and the rack and the gate body are separately connected.

7. The electric gate valve according to any one of claims 1-6, characterized in that, The output gear includes a gear portion and an abutment portion. The abutment portion is located on at least one side of the gear portion along the axial direction. The outer peripheral contour dimension of the abutment portion is larger than the outer peripheral contour dimension of the gear portion. The abutment portion abuts against the side wall of the rack.

8. The electric gate valve as described in claim 1, characterized in that, The controller also includes a controller base plate and a controller housing. The controller housing is mounted on the controller base plate, and the drive assembly is mounted on the controller housing. The controller base plate has a hollowed-out portion, through which the output gear passes and meshes with the rack.

9. The electric gate valve as described in claim 8, characterized in that, The hollow portion has a first limiting edge and a second limiting edge that are arranged opposite to each other along the axial direction of the output gear, and the output gear is located between the first limiting edge and the second limiting edge.

10. The electric gate valve as described in claim 8, characterized in that, The controller base plate is connected to the frame, and the gate is disposed between the controller base plate and the frame. There is a movable space between the controller base plate and the frame so that the gate can slide in the movable space.

11. The electric gate valve as described in claim 10, characterized in that, The gate can slide up and down relative to the frame; the left and right ends of the controller base plate are connected to the left and right ends of the frame; in the left and right direction, the rack is located in the middle of the gate, the controller housing is located on one side of the controller base plate, and the output gear is located on the outside of the controller housing facing the rack.

12. The electric gate valve as described in claim 10, characterized in that, The rack comprises two racks, which are symmetrically arranged on the left and right sides of the gate.

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