Spiral axial flow type sewage delivery pump

Abstract

The utility model relates to the technical field of delivery pumps, in particular to a spiral axial flow type sewage delivery pump which comprises a base, a pump body, a stator, a rotor, a driving component and a filtering assembly. The filtering assembly comprises a water inlet pipe, a filtering seat, a rotating motor, a scraper, a collecting seat and a sealing component, the water inlet pipe is fixedly connected with the pump body, the filtering seat is connected with the water inlet pipe, the rotating motor is connected with the filtering seat, the scraper is arranged on the rotating motor, the collecting seat is detachably connected with the water inlet pipe, and the rotating motor drives the scraper to rotate; the water inlet pipe is sealed through the sealing component, sewage is prevented from flowing out, and therefore the purposes that the filter seat is conveniently cleaned, and use is convenient are achieved. The filter seat is convenient to use, and impurities on the filter seat are pushed into the collecting seat to be collected through the scraping plate, finally the collecting seat is detached, and the impurities in the collecting seat can be cleared away. And after the collecting seat is detached, the water inlet pipe is sealed through the sealing component.

Description

Technical Field

[0001] The utility model relates to the technical field of delivery pumps, in particular to a spiral axial flow type sewage delivery pump. Background Art

[0002] Since single-screw pumps have good suction and stability, they are often used to transport sewage. However, there are a lot of impurities in sewage, which will cause wear on the rotor and stator during the transportation process, leading to damage to the single-screw pump.

[0003] In the prior art, a filter is usually provided to filter sewage to prevent impurities in the sewage from entering the pump body and causing wear on the rotor and stator.

[0004] However, after the filter has been filtering for a long time, impurities will adhere to the surface of the filter, affecting the passage of sewage. The filter needs to be cleaned regularly, which makes the operation complicated and inconvenient to use. Utility Model Content

[0005] The utility model aims to provide a spiral axial flow sewage delivery pump, which solves the problem that after long-term filtration, impurities will adhere to the surface of the filter screen, affecting the passage of sewage, and the filter screen needs to be cleaned regularly, resulting in complicated operation and inconvenient use.

[0006] To achieve the above-mentioned purpose, the utility model provides a spiral axial flow sewage delivery pump, comprising a base, a pump body, a stator, a rotor and a driving member, wherein the pump body is mounted on the base, the stator is mounted inside the pump body, the driving member is arranged on the base, the rotor is connected to the pump body through the driving member, and also includes a filter assembly; the filter assembly comprises an inlet pipe, a filter seat, a rotating motor, a scraper, a collecting seat and a sealing member, the inlet pipe is fixedly connected to the pump body, communicated with the pump body, and is arranged on the pump body, the filter seat is connected to the water inlet pipe and is located inside the water inlet pipe, the rotating motor is connected to the filter seat and is arranged on the filter seat, the scraper is arranged on the rotating motor and is connected to the output end of the rotating motor, the collecting seat is detachably connected to the water inlet pipe and is arranged on the water inlet pipe, and the sealing member is arranged on the water inlet pipe.

[0007] Among them, the water inlet pipe includes a pipe body and a support seat, the pipe body is fixedly connected to the pump body, communicated with the pump body, and arranged on the pump body; the support seat is fixedly connected to the pipe body, connected to the filter seat, and located inside the pipe body.

[0008] In which, the collecting seat includes a collecting shell, a first sealing gasket, a mounting plate and a connecting piece, the mounting plate is detachably connected to the tube body and is located on one side of the tube body; the collecting shell is fixedly connected to the mounting plate and is located on one side of the mounting plate; the first sealing gasket is fixedly connected to the mounting plate and is located on a side of the mounting plate close to the collecting shell; the connecting piece passes through the mounting plate and is threadedly connected to the tube body, and the connecting piece is arranged on the tube body.

[0009] Wherein, the sealing component includes a spring, a sealing plate and a second sealing gasket, the spring is connected to the tube body and is located inside the tube body; the sealing plate is connected to the spring and is slidably connected to the tube body and is located at one end of the spring; the second sealing gasket is fixedly connected to the sealing plate and is located on the side of the sealing plate away from the spring.

[0010] Wherein, the driving component includes a driving motor, a reducer, a transmission shaft, a universal joint and a connecting shaft, the driving motor is connected to the base and is located on one side of the base; the reducer is fixedly connected to the base, and the input end of the reducer is connected to the output end of the driving motor; the transmission shaft is rotatably connected to the pump body and is connected to the output end of the reducer, and is arranged on the pump body; the universal joint is connected to the transmission shaft and is located at one end of the transmission shaft; the connecting shaft is connected to the universal joint and to the rotor, and is located between the rotor and the universal joint.

[0011] The utility model provides a spiral axial flow sewage conveying pump. When sewage enters through the water inlet pipe, the sewage is filtered by the filter seat, so that the sewage can enter the pump body through the filter seat, while impurities remain on the filter seat. At the same time, due to the flushing of the sewage, the impurities on the conical part of the filter seat are flushed to the annular plane part to avoid affecting the passage of the sewage. When it is necessary to clean the impurities on the filter seat, the rotating motor is started to drive the scraper to rotate, so that the scraper pushes the impurities on the filter seat into the collection seat for collection. Finally, the collection seat can be disassembled to clean the impurities inside it. After the collection seat is disassembled, the water inlet pipe is sealed by the sealing component to prevent sewage from flowing out, thereby achieving the purpose of facilitating the cleaning of the filter seat and facilitating use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0013] Figure 1 It is a schematic diagram of the overall structure of the spiral axial flow sewage delivery pump of the first embodiment of the utility model.

[0014] Figure 2 It is a schematic diagram of the installation structure of the collecting seat of the first embodiment of the utility model.

[0015] Figure 3 It is a schematic diagram of the installation structure of the filter seat of the first embodiment of the utility model.

[0016] Figure 4 It is a schematic diagram of the installation structure of the scraper of the first embodiment of the utility model.

[0017] Figure 5 It is a schematic diagram of the installation structure of the rotor of the first embodiment of the utility model.

[0018] Figure 6 It is a structural schematic diagram of a driving component of the second embodiment of the utility model.

[0019] In the figure: 101-base, 102-pump body, 103-stator, 104-rotor, 105-driving component, 106-filter assembly, 107-water inlet pipe, 108-filter seat, 109-rotating motor, 110-scraper, 111-collecting seat, 112-sealing component, 113-tube body, 114-support seat, 115-collecting shell, 116-first sealing gasket, 117-mounting plate, 118-connecting piece, 119-spring, 120-sealing plate, 121-second sealing gasket, 201-driving motor, 202-reducer, 203-transmission shaft, 204-universal joint, 205-connecting shaft. DETAILED DESCRIPTION

[0020] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0021] First embodiment:

[0022] See also Figures 1 to 5 ,in Figure 1 It is a schematic diagram of the overall structure of a spiral axial flow sewage pump. Figure 2 This is a schematic diagram of the installation structure of the collection seat. Figure 3 This is a schematic diagram of the installation structure of the filter seat. Figure 4 This is a schematic diagram of the installation structure of the scraper. Figure 5 It is a schematic diagram of the rotor installation structure.

[0023] The utility model provides a spiral axial flow sewage delivery pump, including a base 101, a pump body 102, a stator 103, a rotor 104, a driving component 105 and a filter assembly 106, wherein the filter assembly 106 includes a water inlet pipe 107, a filter seat 108, a rotating motor 109, a scraper 110, a collecting seat 111 and a sealing component 112, wherein the water inlet pipe 107 includes a pipe body 113 and a support seat 114, the collecting seat 111 includes a collecting shell 115, a first sealing gasket 116, a mounting plate 117 and a connecting piece 118, and the sealing component 112 includes a spring 119, a sealing plate 120 and a second sealing gasket 121. 21. The filter seat 108 is flushed with sewage, and the impurities on the conical part of the filter seat 108 are flushed to the flat part to prevent the filter seat 108 from being completely blocked and affecting the passage of sewage. At the same time, the scraper 110 is driven to rotate by the rotating motor 109, so that the scraper 110 pushes the impurities on the filter seat 108 into the collecting seat 111 for collection. Finally, the collecting seat 111 is disassembled to clean the impurities. It can be understood that the above scheme can be used to prevent the filter seat 108 from being blocked, and can also be used to solve the problem of cleaning the impurities on the filter seat 108.

[0024] According to this specific embodiment, the pump body 102 is installed on the base 101, the stator 103 is installed inside the pump body 102, the driving member 105 is arranged on the base 101, and the rotor 104 is connected to the pump body 102 through the driving member 105; the pump body 102 is provided with a suction port and a discharge port, the filter assembly 106 is arranged on the suction port, the stator 103 is made of elastic material, and the rotor 104 is made of rigid material. The rotor 104 is driven to rotate in the stator 103 by the driving member 105. Since the lead of the stator 103 is twice the pitch of the rotor 104, a series of closed cavities with a phase angle of 180° are formed, which continuously move from the suction port to the discharge port as the rotor 104 rotates, thereby achieving the purpose of transporting sewage.

[0025] The water inlet pipe 107 is fixedly connected to the pump body 102, communicates with the pump body 102, and is arranged on the pump body 102; the filter seat 108 is connected to the water inlet pipe 107 and is located inside the water inlet pipe 107; the rotating motor 109 is connected to the filter seat 108 and is arranged on the filter seat 108; the scraper 110 is arranged on the rotating motor 109 and connected to the output end of the rotating motor 109; the collecting seat 111 is detachably connected to the water inlet pipe 107 and is arranged on the water inlet pipe 107; the sealing member 112 is arranged on the water inlet pipe 107; the filter seat 108 is composed of an annular plane part and a conical part. When the sewage enters through the water inlet pipe 107, the sewage is filtered by the filter seat 108 so that the sewage can The impurities can enter the pump body 102 through the filter seat 108, while the impurities remain on the filter seat 108. At the same time, due to the flushing of sewage, the impurities on the conical part of the filter seat 108 are flushed to the annular plane part, so as to avoid the complete blockage of the filter seat 108 and affect the passage of sewage. When it is necessary to clean the impurities on the filter seat 108, the rotating motor 109 is started to drive the scraper 110 to rotate, so that the scraper 110 pushes the impurities on the filter seat 108 into the collecting seat 111 for collection. Finally, the collecting seat 111 can be disassembled to clean the impurities inside it. After disassembling the collecting seat 111, the water inlet pipe 107 is sealed by the sealing component 112 to prevent sewage from flowing out, thereby achieving the purpose of facilitating the cleaning of the filter seat 108 and facilitating use.

[0026] Secondly, the tube body 113 is fixedly connected to the pump body 102, communicates with the pump body 102, and is arranged on the pump body 102; the support seat 114 is fixedly connected to the tube body 113, connected to the filter seat 108, and is located inside the tube body 113; the support seat 114 is annular, and the filter seat 108 is supported by the support seat 114, so that the filter seat 108 can be installed inside the tube body 113, and the filter seat 108 is convenient to disassemble.

[0027] At the same time, the mounting plate 117 is detachably connected to the tube body 113 and is located on one side of the tube body 113; the collecting shell 115 is fixedly connected to the mounting plate 117 and is located on one side of the mounting plate 117; the first sealing gasket 116 is fixedly connected to the mounting plate 117 and is located on the side of the mounting plate 117 close to the collecting shell 115; the connecting piece 118 passes through the mounting plate 117 and is threadedly connected to the tube body 113, and the connecting piece 118 is arranged on the tube body 113; the collecting shell 115 is hollow inside, and a plurality of connecting pieces 118 are arranged, and the mounting plate 117 is provided with a A through hole is provided to cooperate with the connecting piece 118, and a threaded hole is provided on the tube body 113 to cooperate with the connecting piece 118. The connecting piece 118 is passed through the through hole on the mounting plate 117 and threadedly connected to the tube body 113, so that the mounting plate 117 and the collecting shell 115 can be installed. After the mounting plate 117 is installed in place, the first sealing gasket 116 is pressed between the tube body 113 and the mounting plate 117, thereby sealing the gap between the mounting plate 117 and the tube body 113 to avoid sewage leakage, thereby achieving the purpose of facilitating the installation and disassembly of the collecting seat 111.

[0028] In addition, the spring 119 is connected to the tube body 113 and is located inside the tube body 113; the sealing plate 120 is connected to the spring 119, is slidably connected to the tube body 113, and is located at one end of the spring 119; the second sealing gasket 121 is fixedly connected to the sealing plate 120 and is located on a side of the sealing plate 120 away from the spring 119; an opening is provided on the tube body 113 for installing the collecting seat 111, and a plurality of springs 119 are provided. When the collecting seat 111 is removed from the tube body 113, the sealing plate 120 moves downward under the action of the spring 119, thereby driving the second sealing gasket 121 to move downward, so that the sealing plate 120 and the second sealing gasket 121 seal the opening on the tube body 113 to prevent sewage from flowing out of the tube body 113 after the collecting seat 111 is removed.

[0029] When the spiral axial flow sewage delivery pump of this embodiment is used, the sewage is filtered through the filter seat 108, and the sewage can wash the impurities on the conical part of the filter seat 108 to the flat part, so as to avoid the filter seat 108 being completely blocked and affecting the passage of sewage; when the filter seat 108 needs to be cleaned, the rotating motor 109 is started to drive the scraper 110 to rotate, so that the scraper 110 pushes the impurities on the filter seat 108 into the collection shell 115 for collection, and finally the connector 1 is unscrewed. 18. The mounting plate 117 and the collecting shell 115 can be removed from the tube body 113 to clean the collected impurities. After the collecting shell 115 is removed, the sealing plate 120 and the first sealing gasket 116 move downward under the action of the spring 119, thereby sealing the opening on the tube body 113 to prevent sewage from flowing out of the tube body 113, thereby preventing the filter seat 108 from being blocked and affecting the passage of sewage, and facilitating the cleaning of the filter seat 108.

[0030] Second embodiment:

[0031] Based on the first embodiment, please refer to Figure 6 , Figure 6 2 is a schematic diagram of the structure of the driving component of the second embodiment. The driving component 105 of this embodiment includes a driving motor 201 , a reducer 202 , a transmission shaft 203 , a universal joint 204 and a connecting shaft 205 .

[0032] According to this specific embodiment, the driving motor 201 is connected to the base 101 and is located on one side of the base 101; the reducer 202 is fixedly connected to the base 101, and the input end of the reducer 202 is connected to the output end of the driving motor 201; the transmission shaft 203 is rotatably connected to the pump body 102, and is connected to the output end of the reducer 202, and is arranged on the pump body 102; the universal joint 204 is connected to the transmission shaft 203 and is located at one end of the transmission shaft 203. ; The connecting shaft 205 is connected to the universal joint 204, and is connected to the rotor 104, and is located between the rotor 104 and the universal joint 204; the driving motor 201 outputs power to the reducer 202, and the reducer 202 reduces the power and drives the transmission shaft 203 to rotate, and the transmission shaft 203 drives the universal joint 204 and the connecting shaft 205 to rotate, so that the connecting shaft 205 drives the rotor 104 to rotate, thereby achieving the purpose of driving the rotor 104 to rotate.

[0033] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A spiral axial flow sewage pump, comprising a base, a pump body, a stator, a rotor and a driving member, wherein the pump body is mounted on the base, the stator is mounted inside the pump body, the driving member is arranged on the base, and the rotor is connected to the pump body through the driving member, characterized in that: Also included is a filtration component; The filter assembly includes a water inlet pipe, a filter seat, a rotating motor, a scraper, a collecting seat and a sealing component. The water inlet pipe is fixedly connected to the pump body, communicated with the pump body, and is arranged on the pump body. The filter seat is connected to the water inlet pipe and is located inside the water inlet pipe. The rotating motor is connected to the filter seat and is arranged on the filter seat. The scraper is arranged on the rotating motor and connected to the output end of the rotating motor. The collecting seat is detachably connected to the water inlet pipe and is arranged on the water inlet pipe. The sealing component is arranged on the water inlet pipe.

2. The spiral axial flow sewage pump according to claim 1, characterized in that: The water inlet pipe includes a pipe body and a support seat. The pipe body is fixedly connected to the pump body, communicated with the pump body, and arranged on the pump body; the support seat is fixedly connected to the pipe body, connected to the filter seat, and located inside the pipe body.

3. The spiral axial flow sewage pump according to claim 2, characterized in that: The collecting seat comprises a collecting shell, a first sealing gasket, a mounting plate and a connecting piece, wherein the mounting plate is detachably connected to the tube body and is located on one side of the tube body; the collecting shell is fixedly connected to the mounting plate and is located on one side of the mounting plate; the first sealing gasket is fixedly connected to the mounting plate and is located on a side of the mounting plate close to the collecting shell; the connecting piece passes through the mounting plate and is threadedly connected to the tube body, and the connecting piece is arranged on the tube body.

4. The spiral axial flow sewage pump according to claim 2, characterized in that: The sealing component includes a spring, a sealing plate and a second sealing gasket. The spring is connected to the tube body and is located inside the tube body; the sealing plate is connected to the spring and is slidably connected to the tube body and is located at one end of the spring; the second sealing gasket is fixedly connected to the sealing plate and is located on a side of the sealing plate away from the spring.

5. The spiral axial flow sewage pump according to claim 1, characterized in that: The driving component includes a driving motor, a reducer, a transmission shaft, a universal joint and a connecting shaft. The driving motor is connected to the base and is located on one side of the base; the reducer is fixedly connected to the base, and the input end of the reducer is connected to the output end of the driving motor; the transmission shaft is rotatably connected to the pump body and is connected to the output end of the reducer, and is arranged on the pump body; the universal joint is connected to the transmission shaft and is located at one end of the transmission shaft; the connecting shaft is connected to the universal joint and to the rotor, and is located between the rotor and the universal joint.

Images