CN209837275U

CN209837275U - Sewage lifting mechanism

Info

Publication number: CN209837275U
Application number: CN201822036152.3U
Authority: CN
Inventors: 李勇; 俞臻
Original assignee: Ningbo Yuanshen Electromechanical Co Ltd
Current assignee: Ningbo Yuanshen Electromechanical Co Ltd
Priority date: 2018-12-04
Filing date: 2018-12-04
Publication date: 2019-12-24
Anticipated expiration: 2028-12-04

Abstract

The utility model discloses a sewage lifting mechanism, which solves the problem of troublesome cleaning knife tackle and adopts the technical proposal that the sewage lifting mechanism comprises a box body and an inner container arranged in the box body, wherein the inner container comprises a crushing device and a control device, and the crushing device comprises a motor and a knife tackle connected with a rotating shaft of the motor; controlling means is including responding to the outside control circuit who triggers in order to control the motor just reversing, the utility model discloses a sewage lifting mechanism through the control motor reversal, can the reverse operation of knife tackle on the driving motor to make the residue on the knife tackle can receive reverse impact force and initiatively break away from the knife tackle, thereby realize the knife tackle automatically cleaning, and need not to unpack box and inner bag apart, convenient health more.

Description

Sewage lifting mechanism

Technical Field

The utility model relates to a sanitary garbage treatment equipment, in particular to sewage lifting mechanism.

Background

At present, if people need to add a toilet in a house after the existing decoration, the people need to face the transformation of sewer pipes such as a toilet bowl, a washbasin, a shower room and the like, the original wall surface and the ground are definitely damaged, great inconvenience is caused for construction, in addition, in a basement or an underground space, how to discharge domestic sewage into a septic tank on the ground also exists, and after people use sanitary products such as sanitary towels, toilet paper, condoms and the like, the sanitary products are usually put into the toilet bowl, and the sewer pipes are easily blocked by the operation. The sewage lifting device is an integrated device with the functions of crushing and draining, is used for various rooms, basements, ships, vehicles and other places which are far away from a vertical drainage pipe and have poor draining conditions, and can collect and treat domestic water in a toilet.

Traditional sewage lifting mechanism includes box, face lid and inner bag, and inner bag and face lid are installed respectively in the inside and the box top of box, are provided with into dirty connector and blowdown connector on the box, wherein advance dirty connector connection sewer pipe or toilet's export, and the blowdown connector is used for connecting drainage pipe, and the inner bag includes reducing mechanism and controlling means. The sewage lifter mainly utilizes the smashing device to smash objects flowing in from a sewer pipeline or a flush toilet, then lifts and arranges the smashed objects into a preset sewer pipeline, and has the functions of processing objects such as sanitary towels, toilet paper, hair and the like into fragments in a short time and lifting and arranging the fragments into a specific sewage pipeline. Wherein, reducing mechanism comprises motor, motor set casing, impeller, filter screen panel, knife tackle etc. when the thing that smashes in advance enters into the reducing mechanism top and filters the screen panel, because the high-speed rotation of motor, drive knife tackle and impeller rotation for the knife tackle is smashed the thing that smashes in advance who gets into in the filter screen panel, cuts into tiny granule, makes the impeller to water and tiny granule production suction simultaneously, the rotatory centrifugal force that produces of rethread impeller, through the blowdown connector drainage pipe to tiny granule and sewage after the processing.

However, in the actual use process, because the motor is in a unidirectional rotation state for a long time, fine articles such as hair, paper towels and the like are easy to wind on the knife set, the cutting performance of the knife set is reduced, the resistance in cutting is increased, and the operation burden of the motor is increased; in order to guarantee that the sewage lifting mechanism can normally operate, the inner container cleaning knife group needs to be disassembled regularly, time and labor are wasted, and certain improvement space is reserved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sewage lifting mechanism with knife tackle clearance function.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a sewage lifter comprises a box body and an inner container arranged in the box body, wherein the inner container comprises a crushing device and a control device, and the crushing device comprises a motor and a cutter set connected to a rotating shaft of the motor; the control device comprises a control circuit which responds to external trigger to control the forward and reverse rotation of the motor.

By adopting the scheme, the reverse operation of the knife set on the driving motor can be realized by controlling the reverse rotation of the motor, so that the residues on the knife set can be subjected to reverse impact force to actively break away from the knife set, the self-cleaning of the knife set is realized, the box body and the inner container do not need to be disassembled, and the electric knife set is more convenient and sanitary.

Preferably, the control circuit comprises a positive and negative switch, and the positive and negative switch comprises a fixed contact O, a reverse switching contact I and a forward switching contact II; the motor is a single-phase motor, the single-phase motor comprises a main winding and an auxiliary winding, a starting capacitor C is coupled between the input ends of the main winding and the auxiliary winding, and the output end of the main winding is coupled with the output end of the auxiliary winding to form a common connection point and is coupled with a zero line N; the fixed contact O is coupled to the live line L, the reverse switching contact I is coupled to the input end of the secondary winding, and the forward switching contact II is coupled to the input end of the primary winding.

By adopting the scheme, the single-phase motor mainly comprises a main winding, an auxiliary winding and a starting capacitor, the rotating direction of the motor is changed by changing the current direction of the main winding or the auxiliary winding, and the rotating direction of a magnetic field is directly changed no matter the main winding or the auxiliary winding is changed, so that the rotating direction of the motor is changed; the relative wiring positions of the main winding and the auxiliary winding are exchanged, namely two ends of the starting capacitor are exchanged, so that the rotating direction of a magnetic field in the motor is changed; positive and negative switch easy operation is convenient, and the feedback is clear and definite, can the fast switch over live wire L and main, the connection status between the secondary winding to switch single phase motor's positive, reversal running state, thereby change the traffic direction of knife tackle, and then realize the automatically cleaning of knife tackle.

Preferably, a manual switch is connected in series between the input end of the main winding and the live line L.

By adopting the scheme, a user can manually control the forward running of the motor, so that the cutter set is driven to crush the pretreated articles.

Preferably, the control circuit further comprises a thermal protector T0 connected in series between the common connection point of the primary and secondary windings and the neutral line N.

By adopting the scheme, the thermal protector is also called a thermal protection switch, and can automatically cut off the circuit when the circuit is short-circuited, so that the protection effect is achieved.

Preferably, a liquid level switch is further installed in the box body, and two ends of the liquid level switch are respectively coupled to the input end of the main winding and the live wire L; and the liquid level switch is switched on and off according to the liquid level change in the tank body.

By adopting the scheme, the liquid level switch can constantly monitor the liquid level in the tank body, so that whether the sewage to be treated in the tank body is excessive is judged; when the liquid level in the box body is detected to be too high, the liquid level switch can be automatically closed to switch on the main winding, so that the motor can positively run, the objects in the box body are cut up, and sewage is discharged; on the contrary, if the liquid level in the box body is at a lower level, the liquid level switch is in a disconnected state to cut off the motor, so that the electric energy is saved.

To sum up, the utility model discloses following beneficial effect has: through control motor reversal, can the reverse operation of the knife tackle on the driving motor to make the residue on the knife tackle can receive reverse impact force and initiatively break away from the knife tackle, thereby realize the self-cleaning of knife tackle, and need not to unpack apart box and inner bag, convenient more health.

Drawings

FIG. 1 is an exploded view of the case of this embodiment;

FIG. 2 is a schematic structural view of the inner container in the present embodiment;

FIG. 3 is a circuit diagram of the present embodiment;

fig. 4 is a sectional view of the switch case in the present embodiment;

fig. 5 is an enlarged view of the portion a shown in fig. 4.

In the figure: 1. a box body; 2. an inner container; 3. a crushing device; 4. a control device; 5. a motor; 6. a knife group; 7. a positive and negative switch; 8. a main winding; 9. a secondary winding; 10. a manual switch; 11. a microswitch; 12. a main body cover; 13. a sewage inlet connector; 14. a sewage discharge connector; 15. a switch housing; 16. a lead tube; 17. a switch rubber bottom sleeve; 18. a flange; 19. a convex ring; 20. a limiting ring; 21. clamping a hoop; 22. a switch top plate; 23. a top rod; 24. a switch bracket; 25. perforating; 27. a strut; 28. threading holes; 29. clamping the connecting pipe; 30. a cable jacket; 31. german type hose clamp.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The sewage lifting device disclosed by the embodiment comprises a box body 1 and an inner container 2 arranged in the box body 1, wherein a main body cover 12 is covered above the box body 1, as shown in fig. 1, 2 and 3; the box body 1 is also provided with a sewage inlet connector 13 and a sewage discharge connector 14. More specifically, the inner container 2 comprises a crushing device 3 and a control device 4, wherein the crushing device 3 comprises a motor 5 and a cutter set 6 connected with a rotating shaft of the motor 5; the control device 4 includes a control circuit responsive to an external trigger to control the forward and reverse rotation of the motor 5.

In this embodiment, as shown in fig. 3, the control circuit includes a positive and negative switch 7, and the positive and negative switch 7 is preferably an arc-shaped button switch, which is disposed on the upper side of the main body cover 12 for user operation. The positive and negative switch 7 comprises a fixed contact O, a reverse switching contact I and a forward switching contact II; the motor 5 is a single-phase motor, the single-phase motor comprises a main winding 8 and an auxiliary winding 9, a starting capacitor C is coupled between the input ends of the main winding 8 and the auxiliary winding 9, and the output end of the main winding 8 is coupled with the output end of the auxiliary winding 9 to form a common connection point and is coupled with a zero line N; the fixed contact O is coupled to the live line L, the reverse switching contact I is coupled to the input end of the secondary winding 9, and the forward switching contact II is coupled to the input end of the primary winding 8. By switching the button of the positive and negative switch 7 to the positive switching contact II, the live wire L can be connected to the input end of the main winding 8, so that the motor 5 runs in the positive direction, the knife group 6 is driven to run in the positive direction, and then dirt in the box body 1 is crushed; by switching the button of the positive and negative switch 7 to the reverse switching contact I, the live wire L can be connected to the input end of the secondary winding 9, so that the motor 5 runs reversely, the knife set 6 is driven to run reversely, and the knife set 6 is driven to self-clean; by switching the button of the forward/reverse switch 7 to the fixed contact O, the connection between the motor 5 and the live wire can be disconnected to stop the operation of the motor 5.

Furthermore, a manual switch 10 is connected in series between the input end of the main winding 8 and the live line L, and the manual switch 10 is preferably a normally open type push button switch. By pressing the manual switch 10, the live wire L can be actively connected to the input end of the main winding 8, so that the motor 5 runs in the forward direction, and the knife group 6 is driven to crush dirt in the box body 1 in the forward direction. When the manual switch 10 is released, the manual switch 10 can be automatically reset to cut off the electrical connection between the main winding 8 and the live line L again, so that the motor 5 stops operating.

Furthermore, the control circuit comprises a thermal protector T0 connected in series between the common connection point of the primary winding 8 and the secondary winding 9 and the neutral line N. Normally, the thermal protector T0 is in a closed state, so that the line can normally be conducted. When the control circuit is short-circuited, the current in the circuit is greatly increased, so that heat is generated; at this point, the thermal protector T0 is activated to break the circuit and thereby protect it.

Furthermore, a liquid level switch is also arranged in the box body 1, and two ends of the liquid level switch are respectively coupled to the input end of the main winding 8 and the live wire L; the liquid level switch is switched on and off according to the liquid level change in the box body 1. In this embodiment, as shown in fig. 4 and 5, the liquid level switch includes a switch casing 15, and the switch casing 15 is communicated with the casing of the crushing device 3 through a lead tube 16, so that a connection line of the motor 5 in the crushing device 3 can enter the switch casing 15 through the lead tube 16, which belongs to the common general knowledge in the art and is not described herein again. The bottom of the switch shell 15 is provided with an opening, the opening of the switch shell 15 is wrapped with a switch rubber bottom sleeve 17, the edge of the switch rubber bottom sleeve 17 extends upwards to form a flange 18 wrapped on the peripheral surface of the switch shell 15, the peripheral surface of the flange 18 is annularly provided with a convex ring 19 at a position close to the upper port, wherein the flange 18 and the convex ring 19 are both made of rubber and are integrally arranged with the switch rubber bottom sleeve 17, and therefore the switch shell 15 has better elasticity and sealing performance. The outer peripheral surface of the switch shell 15 is annularly provided with a limiting ring 20 abutted to the upper end surface of the convex ring 19, and the convex ring 19 and the limiting ring 20 are sleeved with a hoop 21 for locking the relative position between the convex ring 19 and the limiting ring 20 so that the switch rubber bottom sleeve 17 and the switch shell 15 can form a sealed space. More specifically, the switch top plate 22 is adhered to the upper end surface of the switch rubber bottom sleeve 17, and is preferably fixed by an adhesive such as glue, which belongs to the prior art and is not described herein; the perpendicular extension of last face of switch roof 22 has ejector pin 23, and switch shell 15's cavity inner wall is fixed with the switch support 24 that aerial in switch roof 22 top, offers on the switch support 24 to supply ejector pin 23 to slide the perforation 25 of wearing to establish to play limiting displacement to ejector pin 23, make ejector pin 23 can keep vertical sliding state, difficult emergence is crooked. A normally open microswitch 11 is arranged above the switch bracket 24, and the movable contact of the microswitch 11 is arranged downwards and is abutted against the upper end of the push rod 23. The two ends of the micro switch 11 are respectively coupled to the input end of the main winding 8 and the live wire L, and are fixed in the inner cavity of the switch casing 15 through the supporting rod 27, and the micro switch 11 can be electrically connected to the motor 5 through the lead tube 16, which belongs to the common general knowledge in the art and is not described herein.

When the inner container 2 is placed in the case 1, the opening of the switch case 15 is disposed downward. After the liquid level in the box 1 reached the take the altitude, liquid acted on switch rubber under cover 17 pressure higher for switch rubber under cover 17 pressurized and inwards sunken, drive switch roof 22 upward movement to drive the vertical upward movement of ejector pin 23, thereby trigger micro-gap switch 11's movable contact, make micro-gap switch 11 closed, switch on the return circuit between main winding 8 and the live wire L, so that motor 5 forward operation, thereby realize reducing mechanism 3 automatic operation.

On the contrary, when the liquid level in the box body 1 is too low, the pressure on the switch rubber bottom sleeve 17 is small, so that the degree of indent is not obvious, at the moment, the ejector rod 23 cannot trigger the movable contact of the microswitch 11, the microswitch 11 is in a disconnected state, and the loop between the main winding 8 and the live wire L is automatically cut off, so that the motor 5 stops running, and the electric energy is saved.

In addition, the liquid level switch may also be a floating ball type liquid level switch, an electrode type liquid level switch, a capacitance type liquid level switch or a liquid level sensor, which belongs to the common knowledge in the art and is not limited herein.

Furthermore, the upper end face of the switch shell 15 is provided with a threading hole 28, the threading hole 28 extends upwards to form a clamping pipe 29, the clamping pipe 29 is sleeved with a cable sheath 30, and the inner wall of the cable sheath 30 is tightly attached to the outer wall of the clamping pipe 29 through a German hose clamp 31 so as to increase the sealing performance between the two. The end part of the cable sheath 30, which is far away from the switch shell 15, is located outside the box body 1, so that the circuit inside the switch shell 15 can extend to the outside of the box body 1 through the cable sheath 30, and is electrically connected with the positive and negative switches 7 and the manual switch 10 outside the box body 1, and the circuit inside the cable sheath 30 cannot be damaged by liquid in the box body 1 due to good sealing performance between the cable sheath 30 and the clamping pipe 29. Meanwhile, the cable sheath 30 has better flexibility and bending performance, so that the placement position and the shape of the cable sheath 30 can be adjusted according to the layout in the box body 1, and the cable sheath is more humanized.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a sewage lifting mechanism, includes box (1) and installs inner bag (2) in box (1), characterized by: the inner container (2) comprises a crushing device (3) and a control device (4), wherein the crushing device (3) comprises a motor (5) and a cutter set (6) connected with a rotating shaft of the motor (5); the control device (4) comprises a control circuit which responds to external trigger to control the forward and reverse rotation of the motor (5).

2. A sewage lifting mechanism as claimed in claim 1 wherein: the control circuit comprises a positive and negative switch (7), and the positive and negative switch (7) comprises a fixed contact O, a reverse switching contact I and a forward switching contact II; the motor (5) is a single-phase motor, the single-phase motor comprises a main winding (8) and an auxiliary winding (9), a starting capacitor C is coupled between the input ends of the main winding (8) and the auxiliary winding (9), and the output end of the main winding (8) is coupled with the output end of the auxiliary winding (9) to form a common connection point and is coupled with a zero line N; the fixed contact O is coupled to the live line L, the reverse switching contact I is coupled to the input end of the secondary winding (9), and the forward switching contact II is coupled to the input end of the main winding (8).

3. A sewage lifting mechanism as claimed in claim 2 wherein: and a manual switch (10) is connected in series between the input end of the main winding (8) and the live wire L.

4. A sewage lifting mechanism as claimed in claim 1 wherein: the control circuit also comprises a thermal protector T0 connected in series between the common connection point of the main winding (8) and the secondary winding (9) and the neutral line N.

5. A sewage lifting mechanism according to claim 2, 3 or 4 wherein: a liquid level switch is further installed in the box body (1), and two ends of the liquid level switch are respectively coupled to the input end of the main winding (8) and the live wire L; the liquid level switch is switched on and off according to the liquid level change in the box body (1).