Permanent magnet explosion-proof corrosion-resistant submersible sewage pump

Abstract

The utility model belongs to the technical field of submersible sewage discharge electric pumps, and particularly relates to a permanent magnet explosion-proof type corrosion-resistant submersible sewage discharge electric pump which comprises a shell, a supporting assembly is installed on the surface of the shell and comprises a fixing base, rotating teeth are movably connected to the upper surface of the fixing base, and a fixing plate is fixedly connected to the outer surface of the shell. A screw rod is movably connected to the upper surface of the fixing plate, the upper end of the screw rod penetrates through the interior of the fixing base and extends to the position above the fixing base, a gear is fixedly connected to the upper end of the screw rod, a lifting block is in threaded connection with the outer surface of the screw rod, and a connecting block is fixedly connected to the surface of the lifting block; a limiting groove is formed in the side surface of the movable rod, a fixing column is fixedly connected to the lower surface of the movable rod, and a supporting stud is movably connected into the fixing column. The electric pump can be stably supported at the water bottom, the electric pump is prevented from toppling over during pollution discharge, and normal work of the electric pump is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of submersible sewage electric pumps, in particular to a permanent magnet flameproof and corrosion-resistant submersible sewage electric pump. Background Art

[0002] The permanent magnet flameproof, corrosion-resistant submersible sewage pump is an electric drainage and irrigation device designed for harsh environments. It features high efficiency, energy saving, corrosion resistance, and a long lifespan. Powered by a permanent magnet synchronous motor, it offers fast start-up, high speed, high efficiency, and strong corrosion resistance. It is suitable for use in chemical plants, petrochemical plants, municipal engineering projects, and other locations requiring drainage.

[0003] In the prior art, permanent magnet flameproof and corrosion-resistant submersible sewage pumps are usually placed underwater for use. However, the bottom of the water is uneven due to sewage sedimentation, making the pump unstable when placed and prone to tipping over during operation, thereby affecting the normal operation of the pump. Summary of the Invention

[0004] The utility model aims to provide a permanent magnet flameproof corrosion-resistant submersible sewage pump, which can stably support the electric pump under water to prevent the electric pump from tipping over during sewage discharge and ensure the normal operation of the electric pump.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is as follows: a permanent magnet flameproof corrosion-resistant submersible sewage electric pump is provided, comprising a shell, a support assembly is installed on the surface of the shell, the support assembly comprises a fixed seat, the inner surface of the fixed seat is fixedly connected to the outer surface of the shell, the upper surface of the fixed seat is movably connected with a rotating tooth, the outer surface of the shell is fixedly connected to a fixed plate, the upper surface of the fixed plate is movably connected with a screw, the upper end of the screw passes through the interior of the fixed seat and extends to the top of the fixed seat, the upper end of the screw is fixedly connected with a gear, the gear is meshed with the rotating tooth, the outer surface of the screw is threadedly connected to a lifting block, the surface of the lifting block is fixedly connected to a connecting block, the interior of the fixed seat is movably connected to a movable rod, the side surface of the movable rod is provided with a limiting groove, the interior of the limiting groove is movably connected to the surface of the connecting block, the lower surface of the movable rod is fixedly connected to a fixing column, the interior of the fixing column is movably connected to a support stud, the lower end of the fixing column is movably connected to a runner, and the interior of the runner is threadedly connected to the outer surface of the support stud.

[0006] Optionally, an upper cover is fixedly connected to the upper surface of the shell, and an electric cable is fixedly connected to the interior of the upper cover.

[0007] Optionally, the inner surface of the shell is fixedly connected to a stator, the interior of the shell is movably connected to a rotating shaft, the outer surface of the rotating shaft is fixedly connected to a rotor, and the rotor is located inside the stator.

[0008] Optionally, the lower surface of the shell is fixedly connected to the pump body, the lower end of the rotating shaft passes through the upper surface of the pump body and extends to the interior of the pump body, and the lower end of the rotating shaft is fixedly connected to the impeller.

[0009] Optionally, a water inlet is provided on the lower surface of the pump body, and the water inlet is located directly below the impeller. A drain pipe is fixedly connected to the outer surface of the pump body.

[0010] Optionally, a base is fixedly connected to the lower surface of the pump body, and a filter hole is opened on the outer surface of the base, and the number of the filter holes is multiple.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] The utility model is provided with a support assembly. When in operation, the rotating teeth are controlled to rotate, which drives the gear to rotate, thereby driving the screw to rotate, and then driving the lifting block to move up and down in the limit slot, pulling the movable rod to tilt, and then rotating the wheel to extend the support stud to support the electric pump as a whole. The utility model can stably support the electric pump underwater, prevent the electric pump from tipping over during sewage discharge, and ensure the normal operation of the electric pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from a first perspective;

[0015] Figure 2 This is a schematic diagram of the third perspective structure of the present invention;

[0016] Figure 3 This is a schematic diagram of the three-dimensional structure of the present invention from a third viewing angle;

[0017] Figure 4 This is a schematic diagram of a sectional three-dimensional structure of the utility model;

[0018] Figure 5 For this utility model Figure 4 Schematic diagram of the enlarged structure at A in the middle;

[0019] Figure 6 For this utility model Figure 4 Schematic diagram of the enlarged structure at point B in the middle.

[0020] In the figure: 1. Housing; 2. Support assembly; 201. Fixed seat; 202. Rotating gear; 203. Fixed plate; 204. Screw; 205. Gear; 206. Lifting block; 207. Connecting block; 208. Movable rod; 209. Limiting groove; 210. Fixed column; 211. Support stud; 212. Rotor; 3. Upper cover; 4. Cable; 5. Stator; 6. Rotating shaft; 7. Rotor; 8. Pump body; 9. Impeller; 10. Water inlet; 11. Drain pipe; 12. Base; 13. Filter hole. DETAILED DESCRIPTION

[0021] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0022] It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.

[0023] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0025] The following describes a permanent magnetic flameproof corrosion-resistant submersible sewage pump provided by the embodiment of the present invention. Figures 1 to 6A permanent magnet flameproof corrosion-resistant submersible sewage pump includes a shell 1. The shell 1 is a flameproof shell that can withstand the pressure generated by the explosion of the internal explosive mixture and prevent the explosion from spreading to the explosive environment around the shell 1. A support assembly 2 is installed on the surface of the shell 1. The support assembly 2 includes a fixed seat 201. The inner surface of the fixed seat 201 is fixedly connected to the outer surface of the shell 1. The upper surface of the fixed seat 201 is movably connected with a rotating tooth 202. The rotating tooth 202 can control the rotation of the gear 205, driving the screw 204 to rotate. The outer surface of the shell 1 is fixedly connected with a fixed plate 203. The fixed plate 203 can support the lower end of the screw 204. The upper surface of the fixed plate 203 is movably connected with the screw 204. The screw 2 The upper end of 04 passes through the interior of the fixed base 201 and extends to the top of the fixed base 201. The upper end of the screw 204 is fixedly connected to a gear 205, which meshes with the rotating tooth 202. When the rotating tooth 202 rotates, the gear 205 is driven to rotate. The outer surface of the screw 204 is threadedly connected to a lifting block 206. The surface of the lifting block 206 is fixedly connected to a connecting block 207. On the same lifting block 206, there are two connecting blocks 207, which are respectively located on the front and back of the lifting block 206. The interior of the fixed base 201 is movably connected to a movable rod 208. The movable rod 208 can be rotated at the connection point with the fixed base 201, thereby tilting, so as to adjust the tilt angle according to the use environment, thereby adjusting the electric The pump is supported more stably; a limiting groove 209 is provided on the side surface of the movable rod 208, and the interior of the limiting groove 209 is movably connected to the surface of the connecting block 207. The limiting groove 209 can be connected to the lifting block 206 through the connecting block 207, so that when the lifting block 206 moves up and down, the connecting movable rod 208 is movable, so that the movable rod 208 is tilted so as to be adjusted as needed; the lower surface of the movable rod 208 is fixedly connected to a fixing column 210, and the interior of the fixing column 210 is movably connected to a support stud 211, and the inner surface of the fixing column 210 is provided with a sliding groove, and the outer surface of the support stud 211 is fixedly connected to a slider, which is located inside the sliding groove, thereby limiting the support stud 211 so that it can only extend The lower end of the support stud 211 is movably connected to the support floor, and the lower surface of the support floor is provided with an anti-slip pad to facilitate support on the bottom of the water; the lower end of the fixed column 210 is movably connected to the rotating wheel 212, and the inner part of the rotating wheel 212 is threadedly connected to the outer surface of the support stud 211. The rotation of the rotating wheel 212 can control the extension and contraction of the support stud 211, and the movable rod 208 is extended after being tilted, thereby supporting the electric pump; the rotating tooth 202 is controlled to rotate, driving the gear 205 to rotate, thereby driving the screw 204 to rotate, and then driving the lifting block 206 to move up and down in the limiting groove 209, pulling the movable rod 208 to tilt, and then rotating the rotating wheel 212 to extend the support stud 211 to support the electric pump.

[0026] In the embodiment of this utility model, please refer to Figures 1 to 6 The upper surface of the shell 1 is fixedly connected to the upper cover 3, the inside of the upper cover 3 is fixedly connected to the stator 5, the inner surface of the shell 1 is fixedly connected to the stator 5, the stator 5 uses a permanent magnet, such as ferrite, aluminum nickel cobalt, neodymium iron boron, etc., the inside of the shell 1 is movably connected to the rotating shaft 6, the outer surface of the rotating shaft 6 is fixedly connected to the rotor 7, the rotor 7 is located inside the stator 5, the cable 4 is electrically connected to the stator 5, when the cable 4 outputs electricity, an electromagnetic field is formed between the stator 5 and the rotor 7, so that the rotor 7 drives the rotating shaft 6 to rotate, thereby performing work.

[0027] In the embodiment of this utility model, please refer to Figures 1 to 6 The lower surface of the casing 1 is fixedly connected with a pump body 8, and the lower end of the rotating shaft 6 passes through the upper surface of the pump body 8 and extends to the interior of the pump body 8. The lower end of the rotating shaft 6 is fixedly connected with an impeller 9. The impeller 9 is made of corrosion-resistant stainless steel to avoid being corroded by sewage during the discharge process; a water inlet 10 is opened on the lower surface of the pump body 8, and the water inlet 10 is located just below the impeller 9. A drain pipe 11 is fixedly connected to the outer surface of the pump body 8. One end of the drain pipe 11 is connected to the water pipe, which can transport and discharge the sewage sucked by the electric pump through the water pipe. The lower surface of the pump body 8 is fixed The base 12 is fixedly connected, and the outer surface of the base 12 is provided with a filter hole 13. There are multiple filter holes 13. The filter holes 13 can prevent larger solid objects from entering the pump body 8, thereby protecting the electric pump; the rotation of the shaft 6 drives the impeller 9 to rotate, so that the sewage in the pump body 8 is discharged through the drain pipe 11; the sewage between the pump body 8 and the base 12 enters the pump body 8 through the water inlet 10, and the sewage outside the base 12 enters the base 12 through the filter holes 13, so that the electric pump sucks the sewage to achieve sewage cleaning.

[0028] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A permanent magnet flameproof and corrosion-resistant submersible sewage pump, comprising a housing (1), characterized in that: A support assembly (2) is mounted on the surface of the housing (1), and the support assembly (2) includes a fixing seat (201), the inner surface of the fixing seat (201) is fixedly connected to the outer surface of the housing (1), the upper surface of the fixing seat (201) is movably connected to a rotating tooth (202), the outer surface of the housing (1) is fixedly connected to a fixing plate (203), the upper surface of the fixing plate (203) is movably connected to a screw (204), the upper end of the screw (204) passes through the interior of the fixing seat (201) and extends to the top of the fixing seat (201), the upper end of the screw (204) is fixedly connected to a gear (205), the gear (205) is meshed with the rotating tooth (202), and the screw (2 04) is threadedly connected to a lifting block (206), the surface of the lifting block (206) is fixedly connected to a connecting block (207), the interior of the fixed seat (201) is movably connected to a movable rod (208), a side surface of the movable rod (208) is provided with a limiting groove (209), the interior of the limiting groove (209) is movably connected to the surface of the connecting block (207), the lower surface of the movable rod (208) is fixedly connected to a fixing column (210), the interior of the fixing column (210) is movably connected to a supporting stud (211), the lower end of the fixing column (210) is movably connected to a rotating wheel (212), the interior of the rotating wheel (212) is threadedly connected to the outer surface of the supporting stud (211).

2. A permanent magnet flameproof, corrosion-resistant submersible sewage pump according to claim 1, characterized in that: An upper cover (3) is fixedly connected to the upper surface of the housing (1), and a cable (4) is fixedly connected inside the upper cover (3).

3. The permanent magnet flameproof, corrosion-resistant submersible sewage pump according to claim 1, characterized in that: The inner surface of the housing (1) is fixedly connected to a stator (5), the interior of the housing (1) is movably connected to a rotating shaft (6), the outer surface of the rotating shaft (6) is fixedly connected to a rotor (7), and the rotor (7) is located inside the stator (5).

4. A permanent magnet flameproof, corrosion-resistant submersible sewage pump according to claim 3, characterized in that: The lower surface of the housing (1) is fixedly connected to a pump body (8), the lower end of the rotating shaft (6) passes through the upper surface of the pump body (8) and extends to the interior of the pump body (8), and the lower end of the rotating shaft (6) is fixedly connected to an impeller (9).

5. A permanent magnet flameproof, corrosion-resistant submersible sewage pump according to claim 4, characterized in that: A water inlet (10) is provided on the lower surface of the pump body (8), and the water inlet (10) is located directly below the impeller (9). A drain pipe (11) is fixedly connected to the outer surface of the pump body (8).

6. The permanent magnet flameproof, corrosion-resistant submersible sewage pump according to claim 4, characterized in that: The lower surface of the pump body (8) is fixedly connected to a base (12), and the outer surface of the base (12) is provided with filter holes (13), and the number of the filter holes (13) is multiple.

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