Sewage lifter with double-water-outlet structure

Abstract

The utility model discloses a sewage lifter with a double-water-outlet structure, which comprises a lifter main body provided with a sewage treatment cavity, the lifter main body is provided with a water inlet, a first water outlet and a second water outlet, the first water outlet is arranged at the top of the lifter main body, the second water outlet is arranged at the side part of the lifter main body, and the lifter main body is provided with a three-way assembly. The water inlet end of the three-way assembly is communicated with the bottom of the sewage treatment cavity, the first water outlet end of the three-way assembly is communicated with the first water outlet, and the second water outlet end of the three-way assembly is communicated with the second water outlet; a water driving and crushing device is arranged in the sewage treatment cavity and is used for crushing impurities entering from the water inlet and driving water flow to guide the crushed impurities to the water inlet end of the three-way assembly. The lifting device has the functions of smashing and discharging sewage, effectively prevents the lifting device from being blocked, improves the sewage discharge amount, and provides diversified choices for water outlet mounting sites through the design of double water outlets.

Description

Technical Field

[0001] The utility model relates to the technical field, and particularly relates to a sewage lift with a dual water outlet structure. Background Art

[0002] A sewage lift is a drainage device used in places such as basements, ships, and vehicles that are far from the drainage riser and have poor drainage conditions. It can collect and treat domestic water in the toilet. Usually, it is an integrated system that can solve the public health problems in some special places.

[0003] The existing Chinese patent with the publication number of CN 211341110U discloses a sewage lift with automatic pressure relief, including a sewage lift main body, a water inlet, a water outlet, a sealed box cover, and an exhaust port. The water inlet is embedded and connected to the front of the sewage lift main body. The bottom of the sewage lift main body is fixedly connected with a base. The other side top of the sewage lift main body is embedded and connected with a water outlet. The top of the sewage lift main body is fixedly connected with a sealed box cover. One side of the top of the sealed box cover is embedded and connected with an exhaust port. One side of the inner bottom of the sewage lift main body is fixedly connected with a crushing box. The inner bottom of the sewage lift main body is fixedly connected with a liquid level sensor. One side of the inner top of the sewage lift main body is fixedly connected with a pressure sensor. The top of the crushing box is fixedly connected with a submersible pump. The other side of the submersible pump is fixedly connected with a drain pipe. The inner periphery of the sewage lift main body is fixedly connected with a protective shell. The inner bottom of the sealed box cover is fixedly connected with a rubber ring. One side of the rubber ring is fixedly connected with a clamping block. The inner two sides of the sealed box cover are fixedly connected with clamping grooves. The bottom of the crushing box is fixedly connected with a crushing box water inlet. The other side of the inner top of the crushing box is fixedly connected with a motor. The periphery of the motor is closely attached with a waterproof layer. One side of the motor is movably connected with a rotating shaft. The periphery of the rotating shaft is fixedly connected with a crushing roller.

[0004] However, the above sewage lift has the following disadvantages: The sewage lift has only one water outlet, and the lifting efficiency of sewage is not high enough. When the water inflow at the water inlet is too large, it is difficult for the lift to quickly discharge the sewage in the lift, and it urgently needs to be improved. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a sewage lift with a dual water outlet structure, which has the effects of combining the functions of crushing and sewage discharge, effectively preventing the lift from being blocked, increasing the sewage discharge volume, and providing a variety of choices for the installation position of the water outlet with the dual water outlet design.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions: a sewage lift with a double water outlet structure, comprising a lift body with a sewage treatment chamber, the lift body being provided with a water inlet, a first water outlet and a second water outlet, the first water outlet being provided at the top of the lift body, the second water outlet being provided at the side of the lift body, the lift body being provided with a tee assembly, the water inlet end of the tee assembly being connected to the bottom of the sewage treatment chamber, the first water outlet end of the tee assembly being connected to the first water outlet, and the second water outlet end of the tee assembly being connected to the second water outlet;

[0007] A water-driving and pulverizing device is arranged in the sewage treatment chamber, and the water-driving and pulverizing device is used for pulverizing impurities entering from the water inlet, and driving the water flow to guide the pulverized impurities to the water inlet end of the three-way assembly.

[0008] By adopting the above technical scheme, sewage with impurities flows into the sewage treatment chamber through the water inlet, and the impurities in the sewage treatment chamber are crushed by the water-driving and crushing device, and the impurities crushed into fine particles are guided to the water inlet end of the three-way component along with the water flow, and then discharged from the first water outlet and the second water outlet respectively after passing through the three-way component, so that the sewage and impurities in the sewage treatment chamber are quickly lifted and discharged. The utility model realizes the purpose of double water outlets and sewage discharge by setting the first water outlet and the second water outlet, and effectively improves the efficiency of sewage discharge of the equipment. In addition, by setting the water-driving and crushing device in the sewage treatment chamber, the water-driving and crushing device can provide water flow driving force and impurity crushing function, so that the impurities entering the sewage treatment chamber can be discharged into the three-way component after high-speed crushing, which can effectively prevent the situation of clogging of the internal pipeline of the lifter. In addition, the double water outlet design can also allow users to selectively connect one of the water outlets or two water outlets to connect the water outlet at the same time according to needs, so that the utility model has the effects of both crushing and sewage discharge functions, effectively preventing the clogging of the lifter, increasing the sewage discharge volume, and the double water outlet design provides a variety of choices for water outlet installation sites.

[0009] The utility model is further configured as follows: the three-way assembly comprises a three-way pipe and an extension pipe, and the extension pipe is connected to the water inlet end of the three-way pipe.

[0010] By adopting the above technical solution, the addition of the extension pipe can increase the length of the water inlet end of the three-way pipe, so that the water inlet end of the three-way pipe can absorb sewage at the bottom of the sewage treatment chamber through the extension pipe.

[0011] The utility model is further configured as follows: a one-way valve structure is provided between the extension tube and the water inlet end of the three-way pipe, and the one-way valve structure is used to allow water in the extension tube to flow into the water inlet end of the three-way pipe in one direction.

[0012] By adopting the above technical solution, the addition of the one-way valve structure can effectively prevent the sewage in the tee pipe from flowing back into the extension pipe and finally flowing back into the sewage treatment cavity.

[0013] A further setting of the present utility model is that the one-way valve structure includes a sealing member, and the sealing member can be in a blocking state in a stop fit relative to the lumen of the extension pipe, or can be flipped relative to the extension pipe into the lumen of the water inlet end of the tee pipe to be in a conducting state.

[0014] By adopting the above technical solution, the sealing member can be flipped relative to the extension pipe. When the sealing member is flipped away from the extension pipe, the extension pipe is communicated with the water inlet end of the tee pipe. When the sealing member is close to the end of the extension pipe, the extension pipe and the water inlet end of the tee pipe are blocked to achieve water sealing.

[0015] A further setting of the present utility model is that the sealing member is provided as a rubber member, the sealing member is integrally provided with an installation ring, the installation ring and the sealing member are connected through a flipping connection part, and a circular groove is provided on the side wall of the extension pipe corresponding to the installation ring, and the installation ring is installed in the circular groove.

[0016] By adopting the above technical solution, the sealing member, the installation ring and the flipping connection part are integrally formed, and the sealing member can be elastically flipped relative to the installation ring through the flipping connection part made of rubber material. When there is no sewage flowing from the extension pipe into the tee pipe, the elastic force of the rubber member can make the sealing member automatically reset to the blocking state.

[0017] A further setting of the present utility model is that the end of the extension pipe is provided with a guiding groove obliquely along the circumferential direction, and the sealing member is in guiding cooperation with the guiding groove.

[0018] By adopting the above technical solution, the position of the sealing member reset from the conducting state to the blocking state is more in place and accurate, preventing the phenomenon of jamming when the sealing member is reset, and improving the sealing performance between the sealing member and the extension pipe.

[0019] A further setting of the present utility model is that the extension pipe includes a sealing part radially extending at its end, one end of the extension pipe is inserted into the water inlet end of the tee pipe, and the extension pipe and the water inlet end of the tee pipe are in sealing cooperation through the sealing part.

[0020] By adopting the above technical solution, the addition of the sealing part is beneficial to improving the anti-leakage performance between the extension pipe and the water inlet end of the tee pipe.

[0021] A further setting of the present utility model is that: one end of the extension pipe away from the three-way pipe is provided with an elbow connection part, the main body of the elevator is provided with a support base corresponding to the water driving and crushing device, the support base is provided with an upper water flow channel communicated with the sewage treatment cavity, a water supply pipe communicated with the upper water flow channel is arranged on the side of the support base, and the water supply pipe and the elbow connection part are locked and matched through a locking structure.

[0022] By adopting the above technical solution, the sewage and impurities in the sewage treatment cavity can be sucked into the upper water flow channel through the water driving and crushing device and finally flow into the extension pipe. The addition of the locking structure makes the connection firmness between the extension pipe and the water supply pipe more stable.

[0023] A further setting of the present utility model is that: the locking structure includes a plurality of locking columns and locking grooves, the locking columns are symmetrically arranged on the side of the water supply pipe, the locking grooves are correspondingly opened on the side of the elbow connection part corresponding to the locking columns, the locking grooves include a sliding section and a locking section. When the water supply pipe is inserted into the elbow connection part, the locking column is in guiding cooperation with the corresponding sliding section. After the elbow connection part rotates relative to the water supply pipe, the locking column is axially locked with the locking section.

[0024] By adopting the above technical solution, after the water supply pipe is inserted into the elbow connection part, by rotating the elbow connection part, the locking column can be rotated from the sliding section to the locking section, preventing axial separation between the water supply pipe and the elbow connection part.

[0025] A further setting of the present utility model is that: the water driving and crushing device includes a double-shaft motor, a crushing blade arranged at the first driving end of the double-shaft motor, and a guide vane arranged at the second driving end of the double-shaft motor. The water driving and crushing device is connected with the water inlet through a filter pipe, a plurality of through holes are penetrated and opened on the filter pipe, the double-shaft motor drives the crushing blade to rotate, the impurities crushed by the crushing blade are discharged into the sewage treatment cavity through the through holes, and are guided to the water inlet end of the three-way assembly through the guide vane.

[0026] By adopting the above technical solution, the setting of the double-shaft motor can greatly reduce the installation space of the water driving and crushing device, making the structure of the device more compact.

[0027] To sum up, the present utility model has the following beneficial effects:

[0028] A first water outlet is arranged at the top of the lifter main body, and a second water outlet is arranged at the side of the lifter main body. The sewage mixed with impurities flows into the sewage treatment cavity through the water inlet. The water driving and crushing device is used to crush the impurities in the sewage treatment cavity, and the impurities crushed into fine particles are guided along with the water flow to the water inlet end of the three-way assembly, and then discharged from the first water outlet and the second water outlet respectively after passing through the three-way assembly, so that the sewage and impurities in the sewage treatment cavity are quickly lifted and discharged. The utility model realizes the purpose of discharging sewage with double water outlets by setting the first water outlet and the second water outlet, effectively improving the efficiency of sewage discharge of the equipment. In addition, by arranging a water driving and crushing device in the sewage treatment cavity, the water driving and crushing device can provide the functions of water flow driving force and impurity crushing, so that the impurities entering the sewage treatment cavity can enter the three-way assembly and be discharged after being crushed at high speed, effectively preventing the situation of pipeline blockage inside the lifter. In addition, the double water outlet design also enables users to selectively connect only one of the water outlets or connect both water outlets to discharge water according to needs, making the utility model have the effects of combining the functions of stirring and discharging sewage, effectively preventing the lifter from being blocked, increasing the sewage discharge volume, and providing a variety of choices for the installation position of the water outlet with the double water outlet design. Brief Description of the Drawings

[0029] Figure 1 is the structural diagram of the present utility model.

[0030] Figure 2 is the exploded view of the present utility model.

[0031] Figure 3 is the assembly drawing of the three-way assembly, the water driving and crushing device and the filter screen pipe of the present utility model.

[0032] Figure 4 is the exploded view of the three-way assembly and the water driving and crushing device of the present utility model.

[0033] Figure 5 is the present utility model Figure 4 view from another perspective.

[0034] Figure 6 is the exploded view of the extension pipe, the check valve structure and the support base of the present utility model.

[0035] Figure 7 is the structural diagram of the check valve structure of the present utility model.

[0036] In the figure: 1. Lifter main body; 1a. Sewage treatment chamber; 1b. Water inlet; 1c. First water outlet; 1d. Second water outlet; 10. Upper cover; 11. Support base; 11a. Upper water flow path; 111. Upper water pipe; 1111. Locking column; 12. Water driving and crushing device; 121. Biaxial motor; 122. Crushing blade; 123. Guide vane; 13. Filter screen pipe; 13a. Through hole; 2. Three-way component; 21. Three-way pipe; 21a. Clamp position; 211. Water inlet end; 212. First water outlet end; 213. Second water outlet end; 214. Clamp; 22. Extension pipe; 22a. Guide groove; 221. Sealing part; 221a. Annular groove; 222. Elbow connection part; 222a. Locking groove; 222a2. Sliding section; 222a1. Locking section; 23. Check valve structure; 231. Sealing element; 232. Installation ring; 233. Flipping connection part. Specific implementation mode

[0037] The present utility model will be further described below with reference to the accompanying drawings.

[0038] A sewage lifter with a dual water outlet structure, as Figures 1-5 shown, includes a lifter main body 1 provided with a sewage treatment chamber 1a. The lifter main body 1 is provided with a water inlet 1b, a first water outlet 1c and a second water outlet 1d. The first water outlet 1c is arranged at the top of the lifter main body 1, and the second water outlet 1d is arranged at the side of the lifter main body 1. In this embodiment, the lifter main body 1 is provided with an upper cover 10, and the first water outlet 1c is arranged on the upper cover 10. And detachable covers are provided on both the first water outlet 1c and the second water outlet 1d. The lifter main body 1 is provided with a three-way component 2. The water inlet end of the three-way component 2 communicates with the bottom of the sewage treatment chamber 1a. The first water outlet end 212 of the three-way component 2 communicates with the first water outlet 1c, and the second water outlet end 213 of the three-way component 2 communicates with the second water outlet 1d; A water driving and crushing device 12 is arranged in the sewage treatment chamber 1a. The water driving and crushing device 12 is used to crush the impurities entering from the water inlet 1b and drive the water flow to guide the crushed impurities to the water inlet end of the three-way component 2; The water driving and crushing device 12 includes a biaxial motor 121, a crushing blade 122 arranged at the first driving end of the biaxial motor 121, and a guide vane 123 arranged at the second driving end of the biaxial motor 121. The water driving and crushing device 12 is connected to the water inlet 1b through a filter screen pipe 13. A plurality of through holes 13a are formed through the filter screen pipe 13. The biaxial motor 121 drives the crushing blade 122 to rotate. The impurities crushed by the crushing blade 122 are discharged into the sewage treatment chamber 1a through the through holes 13a and are guided to the water inlet end of the three-way component 2 by the guide vane 123. The setting of the biaxial motor 121 can greatly reduce the installation space of the water driving and crushing device 12, making the structure of this device more compact.

[0039] As Figures 2-6As shown in the figure, the three-way component 2 includes a three-way pipe 21 and an extension pipe 22. The extension pipe 22 is connected to the water inlet end 211 of the three-way pipe 21. The addition of the extension pipe 22 can increase the length of the water inlet end 211 of the three-way pipe 21, enabling the water inlet end 211 of the three-way pipe 21 to suck the sewage at the bottom of the sewage treatment chamber 1a through the extension pipe 22. A one-way valve structure 23 is provided between the extension pipe 22 and the water inlet end 211 of the three-way pipe 21. The one-way valve structure 23 is used to allow the water in the extension pipe 22 to flow into the water inlet end 211 of the three-way pipe 21 unidirectionally. The addition of the one-way valve structure 23 can effectively prevent the sewage in the three-way pipe 21 from flowing back into the extension pipe 22 and finally flowing back into the sewage treatment chamber 1a. The one-way valve structure 23 includes a sealing member 231. The sealing member 231 can be in a blocking state in a blocking fit relative to the lumen of the extension pipe 22, or can be flipped relative to the extension pipe 22 into the lumen of the water inlet end 211 of the three-way pipe 21 to be in a conducting state, so that the sealing member 231 can be flipped relative to the extension pipe 22. When the sealing member 231 is flipped away from the extension pipe 22, the extension pipe 22 is communicated with the water inlet end 211 of the three-way pipe 21. When the sealing member 231 is closely attached to the end of the extension pipe 22, the extension pipe 22 and the water inlet end 211 of the three-way pipe 21 are blocked and sealed to achieve water sealing. The sealing member 231 is made of a rubber member. The sealing member 231 is integrally provided with an installation ring 232. The installation ring 232 and the sealing member 231 are connected through a flipping connection part 233. A circular groove 221a is provided on the side wall of the extension pipe 22 corresponding to the installation ring 232, and the installation ring 232 is installed in the circular groove 221a. In this embodiment, the sealing member 231, the installation ring 232, and the flipping connection part 233 are integrally formed rubber members. The sealing member 231 can be elastically flipped relative to the installation ring 232 through the flipping connection part 233 made of rubber material. When there is no sewage flowing from the extension pipe 22 into the three-way pipe 21, the elastic force of the rubber member can make the sealing member 231 automatically reset to the blocking state. The end of the extension pipe 22 is circumferentially inclined with a guiding groove 22a. The sealing member 231 is in guiding cooperation with the guiding groove 22a, so that the position of the sealing member 231 resetting from the conducting state to the blocking state is more in place and accurate, preventing the sealing member 231 from getting stuck during resetting and improving the sealing performance between the sealing member 231 and the extension pipe 22.

[0040] As Figures 3-6As shown, the extension pipe 22 includes a sealing portion 221 radially extending at its end. One end of the extension pipe 22 is inserted into the water inlet end 211 of the three-way pipe 21, and the extension pipe 22 and the water inlet end 211 of the three-way pipe 21 are sealed and matched through the sealing portion 221. The addition of the sealing portion 221 is beneficial to improving the water leakage prevention performance between the extension pipe 22 and the water inlet end 211 of the three-way pipe 21. In addition, a clamp 214 is provided outside the pipe wall of the water inlet end 211 of the three-way pipe 21 at position 21a, and a clamp 214 is sleeved and tightened on the clamp 214. The addition of the clamp 214 can improve the connection firmness and water leakage prevention performance between the sealing portion 221 and the water inlet end 211 of the three-way pipe 21; an elbow connection portion 222 is provided at one end of the extension pipe 22 away from the three-way pipe 21. The lifter main body 1 is provided with a support base 11 corresponding to the water driving and crushing device 12. The support base 11 is provided with an upper water flow channel 11a communicating with the sewage treatment chamber 1a. A water supply pipe 111 communicating with the upper water flow channel 11a is provided on the side of the support base 11. The water supply pipe 111 and the elbow connection portion 222 are locked and matched through a locking structure. Sewage and impurities in the sewage treatment chamber 1a can be sucked into the upper water flow channel 11a through the water driving and crushing device 12 and finally flow into the extension pipe 22. The addition of the locking structure makes the connection firmness between the extension pipe 22 and the water supply pipe 111 more stable; the locking structure includes a plurality of locking columns 1111 and locking grooves 222a. The locking columns 1111 are symmetrically provided on the side of the water supply pipe 111, and the locking grooves 222a are correspondingly opened on the side of the elbow connection portion 222 corresponding to the locking columns 1111. The locking grooves 222a include a sliding section 222a2 and a locking section 222a1. When the water supply pipe 111 is inserted into the elbow connection portion 222, the locking columns 1111 are in guiding cooperation with the corresponding sliding section 222a2. After the elbow connection portion 222 rotates relative to the water supply pipe 111, the locking columns 1111 are axially locked with the locking section 222a1. After the water supply pipe 111 is inserted into the elbow connection portion 222, by rotating the elbow connection portion 222, the locking columns 1111 can be rotated from the sliding section 222a2 to the locking section 222a1 to prevent axial separation between the water supply pipe 111 and the elbow connection portion 222.

[0041] The basic working principle of the utility model is as follows: a first water outlet 1c is provided on the top of the lift body 1, and a second water outlet 1d is provided on the side of the lift body 1, and sewage with impurities flows into the sewage treatment chamber 1a through the water inlet 1b, and the impurities in the sewage treatment chamber 1a are crushed by the water-driving crushing device 12, and the impurities crushed into fine particles are guided to the water inlet end of the three-way component 2 along with the water flow, and then discharged from the first water outlet 1c and the second water outlet 1d after passing through the three-way component 2, so that the sewage and impurities in the sewage treatment chamber 1a are quickly lifted and discharged. The utility model achieves the purpose of double water outlet and sewage discharge by setting the first water outlet 1c and the second water outlet 1d. The sewage discharge efficiency of the equipment is effectively improved. In addition, by arranging a water-driving and crushing device 12 in the sewage treatment chamber 1a, the water-driving and crushing device 12 can provide water flow driving force and impurity crushing functions, so that the impurities entering the sewage treatment chamber 1a can be discharged into the three-way component 2 after high-speed crushing, which can effectively prevent the blockage of the internal pipeline of the lift. In addition, the double water outlet design also allows the user to selectively connect one of the water outlets or both water outlets to connect the water outlet at the same time as needed, so that the utility model has the effects of combining crushing and sewage discharge functions, effectively preventing the lift from being blocked, increasing the sewage discharge volume, and the double water outlet design provides a variety of choices for water outlet installation sites.

[0042] The above description is only a preferred embodiment of the present utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. A sewage lift pump with a dual-outlet structure, comprising a lift pump main body (1) provided with a sewage treatment chamber (1a), characterized in that: The main body (1) of the lifter is provided with a water inlet (1b), a first water outlet (1c) and a second water outlet (1d). The first water outlet (1c) is arranged at the top of the main body (1) of the lifter, and the second water outlet (1d) is arranged at the side of the main body (1) of the lifter. The main body (1) of the lifter is provided with a tee assembly (2). The water inlet end of the tee assembly (2) communicates with the bottom of the sewage treatment chamber (1a). The first water outlet end of the tee assembly (2) communicates with the first water outlet (1c), and the second water outlet end of the tee assembly (2) communicates with the second water outlet (1d). A water driving and crushing device (12) is arranged in the sewage treatment chamber (1a). The water driving and crushing device (12) is used for crushing impurities entering from the water inlet (1b) and driving the water flow to guide the crushed impurities to the water inlet end of the tee assembly (2).

2. The sewage lift pump with a dual water outlet structure according to claim 1, characterized in that: The tee assembly (2) includes a tee pipe (21) and an extension pipe (22). The extension pipe (22) is connected to the water inlet end of the tee pipe (21).

3. The sewage lift pump with a dual-outlet structure according to claim 2, characterized in that: A check valve structure (23) is arranged between the extension pipe (22) and the water inlet end of the tee pipe (21). The check valve structure (23) is used for allowing the water in the extension pipe (22) to flow into the water inlet end of the tee pipe (21) unidirectionally.

4. The sewage lift pump with a dual-outlet structure according to claim 3, characterized in that: The check valve structure (23) includes a seal (231). The seal (231) can be in a blocking state by being stoppered relative to the lumen of the extension pipe (22), or can be turned relative to the extension pipe (22) to be in a conducting state in the lumen of the water inlet end of the tee pipe (21).

5. A sewage lift pump with a dual-outlet structure according to claim 4, characterized in that: The seal (231) is made of a rubber member. The seal (231) is integrally provided with a mounting ring (232). The mounting ring (232) is connected to the seal (231) through a flipping connection part (233). A circular groove (221a) is formed in the side wall of the extension pipe (22) corresponding to the mounting ring (232), and the mounting ring (232) is installed in the circular groove (221a).

6. The sewage lift pump with a dual-outlet structure according to claim 4, characterized in that: A guiding groove (22a) is arranged at the end of the extension pipe (22) in a circumferential inclination. The seal (231) is in guiding cooperation with the guiding groove (22a).

7. The sewage lift pump with a dual water outlet structure according to claim 2, characterized in that: The extension pipe (22) includes a sealing part (221) radially extending at its end. One end of the extension pipe (22) is inserted into the water inlet end of the tee pipe (21), and the extension pipe (22) and the water inlet end of the tee pipe (21) are in sealing cooperation through the sealing part (221).

8. A sewage lift pump with a dual-outlet structure according to claim 2, characterized in that: One end of the extension pipe (22) away from the tee pipe (21) is provided with an elbow connecting part (222). The main body (1) of the lifter is provided with a support base (11) corresponding to the water driving and crushing device (12). The support base (11) is provided with an upper water flow channel (11a) communicating with the sewage treatment chamber (1a). A water pipe (111) communicating with the upper water flow channel (11a) is arranged at the side of the support base (11). The water pipe (111) and the elbow connecting part (222) are in locking cooperation through a locking structure.

9. The sewage lift pump with a dual water outlet structure according to claim 8, characterized in that: The locking structure includes a plurality of locking posts (1111) and locking grooves (222a). The locking posts (1111) are symmetrically arranged on the side of the water supply pipe (111). The locking grooves (222a) are correspondingly formed on the side of the elbow connecting portion (222) corresponding to the locking posts (1111). The locking grooves (222a) include a sliding section (222a2) and a locking section (222a1). When the water supply pipe (111) is inserted into the elbow connecting portion (222), the locking posts (1111) are in guiding cooperation with the corresponding sliding section (222a2). After the elbow connecting portion (222) rotates relative to the water supply pipe (111), the locking posts (1111) are axially locked with the locking section (222a1).

10. The sewage lift pump with a dual-outlet structure according to claim 1, characterized in that: The water driving and crushing device (12) includes a double-shaft motor (121), a crushing blade (122) arranged at the first driving end of the double-shaft motor (121), and a guiding vane (123) arranged at the second driving end of the double-shaft motor (121). The water driving and crushing device (12) is connected to the water inlet (1b) through a filter pipe (13). A plurality of through holes (13a) are formed through the filter pipe (13). The double-shaft motor (121) drives the crushing blade (122) to rotate. The impurities crushed by the crushing blade (122) are discharged into the sewage treatment chamber (1a) through the through holes (13a) and are guided to the water inlet end of the tee assembly (2) through the guiding vane (123).

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