Direct connection type double-end-face mechanical seal self-suction sewage pump

Abstract

The utility model discloses a direct connection type double-end-face mechanical seal self-suction sewage pump, and relates to the technical field of sewage pumps, the direct connection type double-end-face mechanical seal self-suction sewage pump comprises a base, a motor, a coupler and a pump body are fixedly installed on the upper surface of the base, the output end of the motor is fixedly connected with the pump body, the coupler is located between the motor and the pump body, and the output end of the motor is fixedly connected with the pump body. A water outlet end and a water inlet end are fixedly arranged on the two sides of the pump body respectively, a connecting device is fixedly installed on the upper surface of the water outlet end, a plurality of conical ball grooves are formed in the upper inner wall of the male end, steel balls are movably arranged in the conical ball grooves, and the upper end of the male end is slidably sleeved with a locking ring. According to the water pump, the connecting device and the filtering device are arranged, and therefore the effects that the water outlet end can be conveniently installed, a drainage pipe can be conveniently detached, and sewage and impurities in the pump body are reduced are achieved.

Description

Technical Field

[0001] This application relates to the field of sewage pump technology, and in particular to a direct-coupled double-end mechanical seal self-priming sewage pump. Background Technology

[0002] A sewage pump is a specialized pump used to discharge liquids containing large amounts of solid matter (such as sewage, sludge, and garbage). It possesses several significant characteristics and advantages, playing a crucial role in modern urban drainage and industrial wastewater treatment. Sewage pumps are further divided into vertical and horizontal types. As a key piece of equipment for industrial sewage discharge, the sealing performance of the sewage pump is paramount. To ensure that the internal medium of the pump body does not leak and that external impurities do not intrude, sewage pumps are generally equipped with mechanical seals. Different types of sewage pumps have different functions. Regarding the aforementioned technologies, the inventors believe that the installation of water pipes at the outlet of traditional sewage pumps is cumbersome, requiring repeated removal and removal of bolts on the end face, which is laborious and makes it difficult to quickly install and remove the outlet pipe. Furthermore, impurities and particles in the sewage may clog the channel during the discharge process, leading to poor sewage discharge and increasing the output pressure of the motor. Utility Model Content

[0003] The purpose of this application is to provide a direct-drive, double-end-face mechanical seal self-priming sewage pump to improve the problems of inconvenient installation of drain pipes and inconvenient filtration of impurities.

[0004] This application provides a direct-coupled, double-end-face mechanical seal self-priming sewage pump with the following technical solution:

[0005] A direct-drive, double-end-face mechanical seal self-priming sewage pump includes a base. A motor, a coupling, and a pump body are fixedly mounted on the upper surface of the base. The output end of the motor is fixedly connected to the pump body. The coupling is located between the motor and the pump body. An outlet end and an inlet end are fixedly provided on both sides of the pump body. A connecting device is fixedly mounted on the upper surface of the outlet end. A filter device is fixedly mounted on one side of the inlet end. The connecting device includes a male end and a female end. The lower end of the male end is connected to the outlet end. A chuck is fixedly connected inside both the male end and the female end. A connector is movably inserted into the middle of the chuck. Multiple conical ball grooves are formed on the upper inner wall of the male end. Steel balls are movably arranged inside the conical ball grooves. A locking ring is slidably sleeved on the upper end of the male end. A groove for cooperating with the steel balls is formed on the outer surface of the female end.

[0006] By adopting the above technical solution, the connecting device with one end fixed to the water outlet achieves the snap-fit ​​and fixation of the steel ball with the groove on the outer surface of the female end through the insertion and cooperation of the male end and the female end. Furthermore, the male end and the female end are connected by the abutment and expansion of the two connectors, which facilitates the quick installation and disassembly of the drain pipe by the operator through the male end and the female end.

[0007] Optionally, the filtration device includes a cylindrical body with an inlet and an outlet on each side. One side of the inlet is connected to the inlet end. A flange cover is fixedly installed on the upper surface of the cylindrical body. A filter basket is slidably inserted inside the cylindrical body. A connecting rod is symmetrically and rotatably connected to the upper inner wall of the filter basket. One end of the connecting rod is fixedly connected to the flange cover.

[0008] By adopting the above technical solution, the sewage entering from the inlet is filtered through the filter basket inside the cylinder and then discharged from the outlet, which helps to reduce impurities in the sewage at the outlet end, thereby greatly reducing the possibility of pipe blockage.

[0009] Optionally, a second spring is fixedly sleeved on the outer surface of the male end, the upper end of the second spring is fixedly connected to the locking ring, and the lower end of the second spring abuts against the inner wall of the male end.

[0010] By adopting the above technical solution, the operator can move the locking ring up and down under the extension and retraction of the second spring, thereby achieving flexible limiting of multiple steel balls.

[0011] Optionally, a first spring is fixedly sleeved on the outer surface of the connector, and the two ends of the first spring abut against the chuck and one side of the connector, respectively.

[0012] By adopting the above technical solution, the first spring plays the role of providing extension force, helping the two connectors to reset when they are not in contact, thereby achieving the sealing and blocking of the male and female ends.

[0013] Optionally, the conical spherical groove and the steel balls are arranged in a ring array.

[0014] By adopting the above technical solution, steel balls arranged in a ring array are evenly distributed in a conical ball groove. The purpose is to facilitate the synchronous release and limiting of the steel balls through the extension and retraction of the locking ring, so that the steel balls can be simultaneously engaged in the groove.

[0015] Optionally, the outer surface of the female end is slidably fitted with the inner surface of the male end.

[0016] The purpose of adopting the above technical solution is to facilitate the insertion of the female end into the male end and improve the sealing performance of the connection between the male and female ends.

[0017] Optionally, the base is symmetrically fixed with support legs on both sides, and the outer surface of the support legs is provided with through-type fixing grooves.

[0018] By adopting the above technical solution, the operator can fix the base 1 in any plane position through the fixing slots in the four support legs, so as to improve the support stability of the pump body and motor.

[0019] Optionally, a U-shaped handle is fixedly installed on the upper surface of the flange cover.

[0020] By adopting the above technical solution, operators can easily remove the filter basket from the cylinder by holding the U-shaped handle after disassembling the flange cover, which facilitates cleaning and maintenance.

[0021] In summary, this application includes at least one of the following beneficial technical effects: 1. By setting up a connecting device, the locking ring at one end of the male end is quickly connected to the female end under the snapping of the steel ball. At the same time, the male end and the female end are connected by the extension and retraction of the two connectors, which realizes the quick installation and disassembly of the water pipe at the outlet end. In addition, the filter device filters impurities and particulate matter in the sewage, reducing the probability of poor sewage discharge and blockage during the operation of the pump body. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of this utility model.

[0023] Figure 2 This is a schematic diagram of the connecting device structure of this utility model.

[0024] Figure 3 This is a schematic diagram of the structure of the filtration device of this utility model.

[0025] In the diagram, 1. Base; 2. Connecting device; 3. Filtering device; 11. Motor; 12. Coupling; 13. Pump body; 14. Outlet end; 15. Inlet end; 20. Slot; 21. Male end; 22. Female end; 23. Chuck; 24. Connecting joint; 25. First spring; 26. Conical ball groove; 27. Steel ball; 28. Second spring; 29. ​​Locking ring; 30. Cylinder; 31. Inlet; 32. Outlet; 33. Filter basket; 34. Connecting rod; 35. Flange cover; 36. U-shaped handle. Detailed Implementation

[0026] The following is in conjunction with the appendix Figure 1 -Appendix Figure 2 This application will be described in further detail below.

[0027] A direct-drive, double-end-face mechanical seal self-priming sewage pump, referring to Figure 1The system includes a base 1, a connecting device 2, and a filtering device 3. The base 1 provides stable support for the entire pump body 13 structure. Four support legs are symmetrically installed on both sides of the base 1, and each of the four support legs has a fixing groove on its outer surface. The base 1 can be fixedly connected to any plane through these grooves, ensuring its stability. The motor 11 is mounted on the base 1, and its output end is directly connected to the pump body 13 via a coupling 12 and a shaft. One end of the shaft is fixedly connected to a conveying paddle, and a mechanical seal is fixedly fitted onto its outer surface, achieving efficient power transmission and forming a direct-drive structure that reduces energy loss and improves transmission efficiency. (Refer to...) Figure 2 The connecting device 2 includes a male end 21 and a female end 22. The lower end of the male end 21 is connected to the water outlet 14, and the upper end of the female end 22 is connected to the water pipe, allowing the discharged water to flow smoothly into the connecting device 2 and out of the water pipe at one end of the female end 22. A chuck 23 is fixedly connected to the internal ends of both the male end 21 and the female end 22. A connector 24 is movably inserted into the outer surface of the chuck 23, and a first spring 25 is fixedly sleeved on the outer surface of the connector 24, helping the connector 24 to move flexibly within the chuck 23, facilitating certain expansion and contraction adjustments during connection. (Refer to...) Figure 2 The male end 21 has multiple conical ball grooves 26 arranged in a circular array on its upper inner wall, with steel balls 27 movable inside. A locking ring 29 is slidably fitted onto the upper end of the male end 21. A second spring 28 is fixedly fitted onto the outer surface of the male end 21, with one end of the second spring 28 fixedly connected to the locking ring 29. This allows the locking ring 29 to slide and extend on the outer surface of the male end 21 through the extension and retraction of the second spring 28, facilitating the steel balls 27 to disengage from the conical ball grooves 26 and engage with the slots 20. This allows the female end 22 to be smoothly inserted into the male end 21. The outer surface of the female end 22 has slots 20 for use with the steel balls 27. The operator can drag the locking ring 29 at one end of the male end 21 to quickly connect it to the female end 22 under the engagement of the steel balls 27. Simultaneously, the extension and retraction of the two connectors 24 connects the male end 21 and the female end 22, improving the convenience and flexibility of installing and disassembling the drain pipe. (Refer to...) Figure 3The filter device 3 includes a cylindrical body 30. An inlet 31 and an outlet 32 ​​are respectively provided on both sides of the cylindrical body 30. One side of the inlet 31 is connected to the inlet end 15, allowing wastewater to smoothly enter the filter device 3. A flange cover 35 is fixedly installed on the upper surface of the cylindrical body 30, and a filter basket 33 is slidably inserted inside it. A connecting rod 34 is symmetrically and rotatably connected to the upper inner wall of the filter basket 33. One end of the connecting rod 34 is fixedly connected to the flange cover 35. Furthermore, a U-shaped handle 36 is fixedly installed on the upper surface of the flange cover 35. During the operation of the pump body 13, wastewater enters the cylindrical body 30 through the inlet 31 and is filtered by the filter basket 33. Large particles of impurities are intercepted within the filter basket 33, and the filtered water is discharged from the outlet 32, preventing impurities from entering the pump body 13 and causing blockages. The detachable flange cover 35, via the connecting rod 34, allows the filter basket 33 to detach from the cylindrical body 30 for easy cleaning or replacement, facilitating the normal operation of the pump body 13.

[0028] The implementation principle of this application embodiment is as follows: When connection is required, the operator inserts the female end 22 into the male end 21. When one end of the female end 22 contacts multiple steel balls 27, the operator can hold the locking ring 29 and drag it downward through the second spring 28, so that the multiple conical ball grooves 26 are not blocked by the locking ring 29. As the female end 22 goes deeper to a certain position, the locking ring 29 is released, forcing the multiple conical ball grooves 26 to engage with the female end 22 again through the slot 20. At this time, the mating joints 24 in the female end 22 after being engaged and fixed abut against each other. The contraction of the first spring 25 causes the two mating joints 24 to move synchronously in opposite directions through the chuck 23, thereby making the cavity space in the male end 21 connected with the cavity space in the female end 22, thus achieving the purpose of convenient and quick installation of the water pipe and convenient disassembly. When sewage enters the cylinder 30 through the inlet 31, the sewage passes through the filter basket 33 inside the cylinder 30 to filter impurities in the sewage. Larger solid particles and impurities in the sewage are intercepted on the inner surface of the filter basket 33. The filtered clean water enters the outlet 32 ​​in the cylinder 30 through the filter holes of the filter basket 33, and then enters the pump body 13 for pumping when the pump body 13 is started, thereby achieving the purpose of filtering sewage.

[0029] The embodiments described in this specific implementation are preferred embodiments of this application and are not intended to limit the scope of protection of this application. Identical components are represented by the same reference numerals. Therefore, all equivalent changes made to the structure, shape, and principle of this application should be covered within the scope of protection of this application.

Claims

1. A direct coupled double mechanical seal self-priming sewage pump comprising a base (1), characterized in that: The upper surface of the base (1) is fixedly provided with a motor (11), a shaft coupling (12) and a pump body (13), the output end of the motor (11) is fixedly connected with the pump body (13), the shaft coupling (12) is located between the motor (11) and the pump body (13), both sides of the pump body (13) are fixedly provided with a water outlet end (14) and a water inlet end (15) respectively, the upper surface of the water outlet end (14) is fixedly provided with a connecting device (2), one side of the water inlet end (15) is fixedly provided with a filtering device (3); the connecting device (2) comprises a male end (21) and a female end (22), the lower end of the male end (21) is communicated with the water outlet end (14), the male end (21) and the female end (22) are fixedly connected with a chuck (23) in the interior, the middle part of the chuck (23) is movably provided with a butt joint (24), a plurality of conical ball grooves (26) are formed in the upper inner wall of the male end (21), a steel ball (27) is movably arranged in the conical ball groove (26), the upper end of the male end (21) is slidably sleeved with a locking ring (29), a clamping groove (20) matched with the steel ball (27) is formed in the outer surface of the female end (22).

2. The direct coupled double mechanical seal self-priming sewage pump according to claim 1, characterized in that: The filtering device (3) comprises a cylinder (30), water inlets (31) and water outlets (32) are formed in both sides of the cylinder (30), one side of the water inlet (31) is communicated with the water inlet end (15), a flange cover (35) is fixedly arranged on the upper surface of the cylinder (30), a filter basket (33) is movably arranged in the interior of the cylinder (30), a connecting rod (34) is symmetrically and rotatably connected to the upper inner wall of the filter basket (33), one end of the connecting rod (34) is fixedly connected with the flange cover (35).

3. The direct coupled double end mechanical seal self priming sewage pump according to claim 1, characterized in that: The outer surface of the male end (21) is fixedly sleeved with a second spring (28), the upper end of the second spring (28) is fixedly connected with the locking ring (29), and the lower end of the second spring (28) abuts against the inner wall of the male end (21).

4. The direct coupled double mechanical seal self-priming sewage pump of claim 1, wherein; The outer surface of the butt joint (24) is fixedly sleeved with a first spring (25), and both ends of the first spring (25) abut against the chuck (23) and one side of the butt joint (24) respectively.

5. The direct coupled double end mechanical seal self priming sewage pump according to claim 1, characterized in that; The conical ball grooves (26) and the steel balls (27) are arranged in an annular array.

6. The direct coupled double end mechanical seal self priming sewage pump according to claim 1, characterized in that: The outer surface of the female end (22) is slidably attached to the inner surface of the male end (21).

7. The direct coupled double end mechanical seal self priming sewage pump according to claim 1, characterized in that: Both sides of the base (1) are fixedly provided with supporting legs, and the outer surfaces of the supporting legs are all provided with through-type fixing grooves.

8. The direct coupled double end mechanical seal self priming sewage pump according to claim 2, characterized in that: The upper surface of the flange cover (35) is fixedly provided with a U-shaped handle (36).

Images