Bidirectional pressurizing crushing sewage pump for intelligent dog toilet

Abstract

The utility model relates to the technical field of crushing pumps, in particular to a bidirectional pressurizing crushing sewage pump for an intelligent dog toilet. The sewage pump comprises a main shell, a water outlet pipe and a main shaft assembly. The main shaft assembly comprises a crushing impeller; a first mounting hole is formed in the center of the crushing impeller, and six fan blades including a pair of long fan blades, a pair of short fan blades and a pair of inclined fan blades are arranged on the outer side of the crushing impeller in an annular array mode with the first mounting hole as the center. By arranging three pairs of crushing parts with different crushing areas, the crushing surface of the crushing impeller completely covers the cross section of the inner cavity of the main shell. And it is ensured that a mixture passing through the crushing impeller can be fully crushed, and the discharging effect of the sewage pump is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of crushing pumps, and particularly relates to a bidirectional pressurized crushing sewage pump for an intelligent dog toilet. Background Art

[0002] A dog toilet is a tool that allows pets to use the toilet at a fixed location and is easy to clean. In order to improve the intelligence of the dog toilet, an infrared sensor is generally used to sense the pet's toilet status, and after the pet leaves the dog toilet, the pet's feces is automatically and centrally discharged in a timely manner through a sewage pump.

[0003] Some pets have thick hair and are prone to shedding. When the shed hair mixes with feces and sewage, it is easy to get entangled in the sewage pump, causing the dog toilet to be unable to be used normally and increasing maintenance costs. Utility Model Content

[0004] In view of the above problems, the utility model provides a bidirectional booster crushing sewage pump for an intelligent dog toilet, the sewage pump comprising a main housing, a water outlet pipe and a main shaft assembly;

[0005] One end of the main shell is a feed port, which is connected to its inner cavity; the other end of the main shell is provided with a tail plate;

[0006] The water outlet pipe is installed on the side of the main shell body close to the tail plate and is connected to the inner cavity of the main shell body;

[0007] The connecting plate on the main shaft assembly is fixedly connected to the tail plate at one end of the main housing through a connecting buckle;

[0008] The main shaft assembly also includes a main shaft, and a crushing impeller, a boosting impeller, a guide impeller, a bearing assembly and a driven wheel which are sequentially sleeved and fixed on the main shaft; wherein the crushing impeller, the boosting impeller and the guide impeller are located in the inner cavity of the main housing; the bearing assembly and the driven wheel are located outside the main housing, and the bearing assembly is fixedly connected to the connecting plate;

[0009] A first mounting hole is provided at the center of the crushing impeller, and six blades are arranged in a circular array outside the first mounting hole as the center, and are divided into a pair of long blades, a pair of short blades and a pair of oblique blades.

[0010] Furthermore, each of the long fan blades includes a first connecting portion and a first crushing portion; one end of the first connecting portion is arranged close to the first mounting hole, the other end of the first connecting portion is connected to one end of the first crushing portion, and the angle between the axis of the first connecting portion and the axis of the first crushing portion is a right angle;

[0011] Each of the short blades comprises a second connecting portion and a second crushing portion; one end of the second connecting portion is arranged close to the first mounting hole; the other end of the second connecting portion is connected to one end of the second crushing portion, and the axis of the second connecting portion and the second crushing portion is at a right angle;

[0012] Each of the inclined blades comprises a third connecting portion and a third crushing portion; one end of the third connecting portion is arranged close to the first mounting hole; the other end of the third connecting portion is connected to one end of the third crushing portion, and the angle between the axis of the third connecting portion and the axis of the third crushing portion is an obtuse angle;

[0013] A pair of long blades are symmetrically arranged with respect to the center of the first mounting hole, a pair of inclined blades are symmetrically arranged with respect to the center of the first mounting hole, and a pair of short blades are symmetrically arranged with respect to the center of the first mounting hole; the bending directions of the two third crushing parts and the two first crushing parts are located on the same side of the crushing impeller; and the bending directions of the two second crushing parts are located on different sides of the crushing impeller.

[0014] Furthermore, a protective net is provided in the inner cavity of the main shell, and the protective net is located between the crushing impeller and the boosting impeller.

[0015] Furthermore, the protective net is in a circular plate-like structure as a whole, and the side wall of the protective net is fixedly connected to the inner wall of the main shell; a plurality of through holes distributed in a circular array are provided on the protective net near its side wall; a central hole is provided on the protective net near its axis, and a plurality of protrusions distributed in a circular array are provided on the inner wall of the central hole;

[0016] A section of the second crushing portion of the crushing impeller, the bending direction of which faces away from the feed inlet, is located in the central hole.

[0017] Furthermore, the booster impeller comprises a booster impeller base, a first blade group and a second blade group; the booster impeller base is in the shape of a circular plate as a whole, and a second mounting hole is arranged at the center thereof; the first blade group and the second blade group are both arranged on the same side plate surface of the booster impeller base;

[0018] The first blade group includes a plurality of large impellers distributed in a circular array; the second blade group includes a plurality of small impellers distributed in a circular array; the large impellers and the small impellers are alternately arranged along the circumference of the boost impeller base, and the axial bending directions of the large impeller and the small impeller are opposite.

[0019] Furthermore, the guide impeller includes a guide impeller base and guide blades; the guide impeller base is in the shape of a circular plate as a whole, and a third mounting hole is arranged at the center thereof; a plurality of guide blades distributed in a circular array are arranged on a side plate surface of the guide impeller base;

[0020] One side plate surface of the guide impeller base is arranged in close contact with one side plate surface of the boost impeller base; and the guide blades are directly opposite to the connection between the water outlet pipe and the main shell.

[0021] Furthermore, the bearing assembly adopts a needle bearing; the bearing assembly is located at the center of gravity of the main shaft assembly.

[0022] Furthermore, the sewage pump also includes a motor; a bracket is fixedly connected to one side of the connecting buckle; the motor body is installed on the bracket; a driving wheel is provided on the output shaft of the motor, and the driving wheel and the driven wheel on the main shaft are connected through a transmission belt.

[0023] The beneficial effects of the utility model are:

[0024] 1. By setting three pairs of crushing parts with different crushing areas, the crushing surface of the crushing impeller completely covers the cross-section of the inner cavity of the main casing. It ensures that the mixture passing through the crushing impeller can be fully crushed, which improves the discharge effect of the sewage pump. One of the second crushing parts is bent towards the feed port of the main casing, which can cooperate with the first crushing part and the third crushing part to fully crush the mixture entering from the feed port; the other second crushing part is bent away from the feed port of the main casing to prevent the mixture that has passed through the crushing impeller from sticking again and blocking the inner cavity of the main casing. Further improve the discharge effect of the sewage pump. In addition, the three pairs of blades of the crushing impeller are symmetrical, so that the overall structure of the crushing impeller is balanced, ensuring a stable operation.

[0025] 2. The protective net is set to slow down the flow rate of the mixture in the main casing to ensure that the crushing impeller can fully crush the mixture. The through hole is used to pass the crushed mixture; the central hole is in the shape of a flower, and several protrusions on it cooperate with the second crushing part extending into it to crush the mixture passing through the central hole, thereby improving the crushing effect and further improving the anti-blocking performance of the sewage pump.

[0026] 3. The booster impeller is a bidirectional booster impeller. When the booster impeller rotates forward, the first blade group plays a boosting role; when the booster impeller rotates reversely, the second blade group plays a boosting role. This not only reduces the difficulty of the sewage pump assembly process, but also enables the sewage pump to meet the forward and reverse conditions. By controlling the booster impeller and the crushing impeller to rotate forward and reverse alternately, the mixture wrapped around the crushing gear can be removed, further improving the anti-blocking performance of the sewage pump.

[0027] 4. The weight at both ends of the bearing assembly in the utility model is balanced, ensuring that each impeller can rotate smoothly during operation without deflection and vibration with the main shaft, thereby improving the working performance of the sewage pump and extending the service life of the sewage pump.

[0028] 5. The sewage pump in the utility model has a small size and a reasonable structural design. It can not only meet various usage scenarios, but also realize quick installation and disassembly, and is easy to operate.

[0029] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures indicated in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0031] Figure 1 The overall structural diagram of the sewage pump according to the embodiment of the utility model is shown;

[0032] Figure 2 A cross-sectional view of a sewage pump according to an embodiment of the utility model is shown;

[0033] Figure 3 A top view of a crushing impeller according to an embodiment of the utility model is shown;

[0034] Figure 4 The front view of the crushing impeller of the embodiment of the utility model is shown;

[0035] Figure 5 A schematic diagram showing the simulated positions of the blades of the crushing impeller of the embodiment of the utility model is shown;

[0036] Figure 6 A schematic diagram showing the structure of a booster impeller in an embodiment of the utility model is shown;

[0037] Figure 7 A schematic diagram of the structure of the guide impeller of an embodiment of the utility model is shown;

[0038] Figure 8 A schematic structural diagram of a protective net according to an embodiment of the utility model is shown.

[0039] In the figure: 1-main housing; 2-water outlet pipe; 3-bracket; 4-motor; 5-connecting buckle; 6-bearing assembly; 7-driven wheel; 8-driving wheel; 9-transmission belt; 10-main shaft; 11-crushing impeller; 111-first crushing part; 112-second crushing part; 113-third crushing part; 114-first connecting part; 115-second connecting part; 116-third connecting part; 12-boosting impeller; 121-boosting impeller base; 122-first fan blade group; 123-second fan blade group; 13-guide impeller; 131-guide impeller base; 132-guide fan blade; 14-tail plate; 15-protective net; 151-through hole; 152-center hole; 153-raised part; 16-connecting plate; 17-sealing ring. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0041] The utility model provides a two-way booster crushing sewage pump for an intelligent dog toilet, such as Figure 1 and Figure 2 As shown, the sewage pump includes a main housing 1, a water outlet pipe 2 and a main shaft assembly.

[0042] One end of the main shell 1 is a feed port, which is connected to its inner cavity; the other end of the main shell 1 is provided with a tail plate 14.

[0043] The water outlet pipe 2 is installed on the side of the main shell 1 close to the tail plate 14 and is connected to the inner cavity of the main shell 1.

[0044] The connecting plate 16 on the main shaft assembly is fixedly connected to the tail plate 14 at one end of the main housing 1 through a connecting buckle 5 .

[0045] The main shaft assembly also includes a main shaft 10, and a crushing impeller 11, a boosting impeller 12, a guide impeller 13, a bearing assembly 6 and a driven wheel 7 which are sequentially sleeved and fixed on the main shaft 10; wherein the crushing impeller 11, the boosting impeller 12 and the guide impeller 13 are located in the inner cavity of the main housing 1; the bearing assembly 6 and the driven wheel 7 are located on the outside of the main housing 1, and the bearing assembly 6 and the connecting plate 16 are fixedly connected.

[0046] The crushing impeller 11 is provided with a first mounting hole at the center thereof, and six blades are arranged in a circular array outside the first mounting hole as the center, and are divided into a pair of long blades, a pair of short blades and a pair of oblique blades.

[0047] By setting three pairs of blades, the crushing surface of the crushing impeller completely covers the cross-section of the inner cavity of the main shell, ensuring that the mixture passing through the crushing impeller can be fully crushed, thereby improving the discharge effect of the sewage pump.

[0048] Specifically, Figure 3 and Figure 4 As shown, each long blade includes a first connecting portion 114 and a first crushing portion 111; one end of the first connecting portion 114 is disposed near the first mounting hole for connecting other blades; the other end of the first connecting portion 114 is connected to one end of the first crushing portion 111, and the axis angle between the first connecting portion 114 and the first crushing portion 111 is a right angle. A pair of long blades are disposed symmetrically with respect to the center of the first mounting hole, and the bending directions of the two first crushing portions 111 are located on the same side of the crushing impeller 11.

[0049] Each short blade includes a second connecting portion 115 and a second crushing portion 112; one end of the second connecting portion 115 is disposed near the first mounting hole for connecting other blades; the other end of the second connecting portion 115 is connected to one end of the second crushing portion 112, and the axis of the second connecting portion 115 and the second crushing portion 112 is at a right angle. A pair of short blades are disposed symmetrically with respect to the center of the first mounting hole, and the bending directions of the two second crushing portions 112 are located on different sides of the crushing impeller 11.

[0050] Each inclined blade includes a third connecting portion 116 and a third crushing portion 113; one end of the third connecting portion 116 is disposed near the first mounting hole for connecting other blades; the other end of the third connecting portion 116 is connected to one end of the third crushing portion 113, and the axis angle between the third connecting portion 116 and the third crushing portion 113 is an obtuse angle. A pair of inclined blades are disposed symmetrically with respect to the center of the first mounting hole, and the bending directions of the two third crushing portions 113 and the two first crushing portions 111 are located on the same side of the crushing impeller 11.

[0051] like Figure 5 As shown, when the axes of each crushing part are rotated around the first mounting hole to the same plane, it can be seen that the crushing areas of the two first crushing parts 111 are located in the cavity of the main shell 1 close to its inner wall, and the bending directions of the two first crushing parts 111 are both toward the feed port; the crushing areas of the two second crushing parts 112 are located in the cavity of the main shell 1 close to the first mounting hole, and the bending direction of one second crushing part 112 is toward the feed port, and the bending direction of the other second crushing part 112 is away from the feed port; the crushing areas of the two third crushing parts 113 are located between the inner wall of the main shell 1 and the first mounting hole, and the bending directions of the two third crushing parts 113 are both toward the feed port.

[0052] By setting three pairs of crushing parts with different crushing areas, the crushing surface of the crushing impeller completely covers the cross-section of the inner cavity of the main casing. It ensures that the mixture passing through the crushing impeller can be fully crushed, which improves the discharge effect of the sewage pump. One of the second crushing parts is bent towards the feed port of the main casing, which can cooperate with the first crushing part and the third crushing part to fully crush the mixture entering from the feed port; the other second crushing part is bent away from the feed port of the main casing to prevent the mixture that has passed through the crushing impeller from sticking again and blocking the inner cavity of the main casing. Further improve the discharge effect of the sewage pump. In addition, the three pairs of blades of the crushing impeller are symmetrical, so that the overall structure of the crushing impeller is balanced, ensuring a stable operation.

[0053] Preferably, Figure 2 As shown, a protective net 15 is provided in the inner cavity of the main housing 1 , and the protective net 15 is located between the crushing impeller 11 and the boosting impeller 12 .

[0054] Specifically, Figure 8 As shown, the protective net 15 is a circular plate-shaped structure as a whole, and the side wall of the protective net 15 is fixedly connected to the inner wall of the main housing 1. The protective net 15 is provided with a plurality of through holes 151 distributed in a circular array near its side wall; the protective net 15 is provided with a central hole 152 near its axis, and the inner wall of the central hole 152 is provided with a plurality of protrusions 153 distributed in a circular array.

[0055] A section of the second crushing portion 112 of the crushing impeller 11 , the bending direction of which faces away from the feed inlet, is located in the central hole 152 .

[0056] The protective net is set to slow down the flow rate of the mixture in the main housing to ensure that the crushing impeller can fully crush the mixture. The through hole is used to pass the crushed mixture; the central hole is in a flower shape, and several protrusions on it cooperate with the second crushing part extending into it to crush the mixture passing through the central hole, thereby improving the crushing effect and further improving the anti-blocking performance of the sewage pump.

[0057] Further, such as Figure 6 As shown, the boost impeller 12 includes a boost impeller base 121, a first fan blade group 122 and a second fan blade group 123; the boost impeller base 121 is generally in the shape of a circular plate, and a second mounting hole is arranged at its center position; the first fan blade group 122 and the second fan blade group 123 are both arranged on the same side panel surface of the boost impeller base 121.

[0058] The first fan blade group 122 includes a plurality of large impellers distributed in a circular array; the second fan blade group 123 includes a plurality of small impellers distributed in a circular array; the large impellers and the small impellers are alternately arranged along the circumference of the boost impeller base 121, and the axial bending directions of the large impeller and the small impeller are opposite.

[0059] The boost impeller is a bidirectional boost impeller. When the boost impeller rotates forward, the first blade group plays a boosting role; when the boost impeller rotates reversely, the second blade group plays a boosting role. This not only reduces the difficulty of the sewage pump assembly process, but also enables the sewage pump to meet the forward and reverse conditions. By controlling the boost impeller and the crushing impeller to rotate forward and reverse alternately, the mixture wrapped around the crushing gear can be removed, further improving the anti-blocking performance of the sewage pump.

[0060] Further, such as Figure 7 As shown, the guide impeller 13 includes a guide impeller base 131 and guide blades 132; the guide impeller base 131 is generally in the shape of a circular plate, and a third mounting hole is provided at its center; a plurality of guide blades 132 distributed in a circular array are provided on a side plate surface of the guide impeller base 131.

[0061] Specifically, one side plate surface of the guide impeller base 131 is fitted with one side plate surface of the boost impeller base 121 ; and the guide blades 132 are directly facing the connection between the water outlet pipe 2 and the main casing 1 .

[0062] The mixture pressurized by the booster impeller is guided by the fan blades to flow to the outlet pipe, ensuring the efficient operation of the sewage pump.

[0063] Furthermore, a sealing ring 17 is provided between the connecting plate 16 and the tail plate 14 at one end of the main housing 1, thereby improving the sealing performance of the main housing and preventing sewage from leaking out of the mounting hole on the tail plate 14.

[0064] Further, such as Figure 1 and Figure 2 As shown, the bearing assembly 6 adopts a needle bearing, and the bearing assembly 6 is sleeved on the main shaft 10; the outer wall of the bearing assembly 6 is fixedly connected to a side plate surface of the connecting plate 16. Compared with ball bearings, needle bearings have a longer service life.

[0065] Preferably, the bearing assembly 6 is located at the center of gravity of the spindle assembly.

[0066] The weight at both ends of the bearing assembly in the utility model is kept balanced, and during operation, each impeller is ensured to rotate smoothly without deflecting and vibrating with the main shaft, thereby improving the working performance of the sewage pump and extending the service life of the sewage pump.

[0067] Furthermore, the sewage pump also includes a motor 4; a bracket 3 is fixedly connected to one side of the connecting buckle 5; the main body of the motor 4 is installed on the bracket 3; a driving wheel 8 is provided on the output shaft of the motor 4, and the driving wheel 8 and the driven wheel 7 on the main shaft 10 are connected through a transmission belt 9.

[0068] The motor adopted by the utility model can realize forward and reverse rotation, cooperate with the booster impeller and the crushing impeller to realize alternating forward and reverse rotation, and can further improve the anti-blocking performance of the sewage pump.

[0069] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A two-way booster crushing sewage pump for an intelligent dog toilet, characterized in that: The sewage pump comprises a main housing (1), a water outlet pipe (2) and a main shaft assembly; One end of the main shell (1) is a feed port, which is connected to its inner cavity; the other end of the main shell (1) is provided with a tail plate (14); The water outlet pipe (2) is installed on the side of the main shell (1) close to the tail plate (14) and is connected to the inner cavity of the main shell (1); The connecting plate (16) on the main shaft assembly is fixedly connected to the tail plate (14) at one end of the main housing (1) via a connecting buckle (5); The main shaft assembly further comprises a main shaft (10), and a crushing impeller (11), a boosting impeller (12), a guide impeller (13), a bearing assembly (6) and a driven wheel (7) which are sequentially sleeved and fixed on the main shaft (10); wherein the crushing impeller (11), the boosting impeller (12) and the guide impeller (13) are located in the inner cavity of the main housing (1); the bearing assembly (6) and the driven wheel (7) are located outside the main housing (1), and the bearing assembly (6) and the connecting plate (16) are fixedly connected; A first mounting hole is provided at the center of the crushing impeller (11), and six blades are arranged in a circular array outside the first mounting hole as the center, and are divided into a pair of long blades, a pair of short blades and a pair of oblique blades.

2. A two-way booster crushing sewage pump for an intelligent dog toilet according to claim 1, characterized in that: Each of the long fan blades comprises a first connecting portion (114) and a first crushing portion (111); one end of the first connecting portion (114) is arranged close to the first mounting hole, the other end of the first connecting portion (114) is connected to one end of the first crushing portion (111), and the angle between the axes of the first connecting portion (114) and the first crushing portion (111) is a right angle; Each of the short blades comprises a second connecting portion (115) and a second crushing portion (112); one end of the second connecting portion (115) is arranged close to the first mounting hole; the other end of the second connecting portion (115) is connected to one end of the second crushing portion (112), and the angle between the axes of the second connecting portion (115) and the second crushing portion (112) is a right angle; Each of the inclined blades comprises a third connecting portion (116) and a third crushing portion (113); one end of the third connecting portion (116) is arranged close to the first mounting hole; the other end of the third connecting portion (116) is connected to one end of the third crushing portion (113), and the angle between the axes of the third connecting portion (116) and the third crushing portion (113) is an obtuse angle; The pair of long blades are arranged symmetrically with respect to the center of the first mounting hole, the pair of inclined blades are arranged symmetrically with respect to the center of the first mounting hole, and the pair of short blades are arranged symmetrically with respect to the center of the first mounting hole; the bending directions of the two third crushing parts (113) and the two first crushing parts (111) are located on the same side of the crushing impeller (11); and the bending directions of the two second crushing parts (112) are located on different sides of the crushing impeller (11).

3. The bidirectional booster crushing sewage pump for intelligent dog toilet according to claim 1 is characterized in that: A protective net (15) is provided in the inner cavity of the main housing (1), and the protective net (15) is located between the crushing impeller (11) and the boosting impeller (12).

4. A two-way booster crushing sewage pump for an intelligent dog toilet according to claim 3, characterized in that: The protective net (15) is in the form of a circular plate structure as a whole, and the side wall of the protective net (15) is fixedly connected to the inner wall of the main shell (1); a plurality of through holes (151) distributed in a circular array are provided on the protective net (15) near its side wall; a central hole (152) is provided on the protective net (15) near its axis, and a plurality of protrusions (153) distributed in a circular array are provided on the inner wall of the central hole (152); A section of the second crushing portion (112) of the crushing impeller (11) whose bending direction faces away from the feed inlet is located in the central hole (152).

5. The bidirectional booster crushing sewage pump for intelligent dog toilet according to claim 1 is characterized in that: The booster impeller (12) comprises a booster impeller base (121), a first fan blade group (122) and a second fan blade group (123); the booster impeller base (121) is in the shape of a circular plate as a whole, and a second mounting hole is arranged at the center thereof; the first fan blade group (122) and the second fan blade group (123) are both arranged on the same side plate surface of the booster impeller base (121); The first fan blade group (122) includes a plurality of large impellers distributed in a ring array; the second fan blade group (123) includes a plurality of small impellers distributed in a ring array; the large impellers and the small impellers are arranged alternately along the circumference of the boost impeller base (121), and the axis bending directions of the large impeller and the small impeller are opposite.

6. A two-way booster crushing sewage pump for an intelligent dog toilet according to claim 5, characterized in that: The guide impeller (13) comprises a guide impeller base (131) and guide blades (132); the guide impeller base (131) is in the shape of a circular plate as a whole, and a third mounting hole is arranged at the center thereof; a plurality of guide blades (132) distributed in a circular array are arranged on a side plate surface of the guide impeller base (131); One side plate surface of the guide impeller base (131) is arranged in close contact with one side plate surface of the boost impeller base (121); and the guide blade (132) faces the connection between the water outlet pipe (2) and the main casing (1).

7. The bidirectional booster crushing sewage pump for intelligent dog toilet according to claim 1, characterized in that: The bearing assembly (6) adopts a needle bearing; the bearing assembly (6) is located at the center of gravity of the main shaft assembly.

8. A two-way booster crushing sewage pump for an intelligent dog toilet according to any one of claims 1 to 7, characterized in that: The sewage pump also includes a motor (4); one side of the connecting buckle (5) is fixedly connected to a bracket (3); the main body of the motor (4) is mounted on the bracket (3); a driving wheel (8) is arranged on the output shaft of the motor (4), and the driving wheel (8) and the driven wheel (7) on the main shaft (10) are connected in transmission via a transmission belt (9).

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