CN210713161U - Sewage raiser - Google Patents

Abstract

The utility model discloses a sewage lifter, comprising a casing, an upper cover is installed on the upper end of the casing, an electrical box is integrally formed on the top of the upper cover, a through hole is arranged on the bottom of the electrical box, and a box cover is fixed on the upper end of the electrical box There is a float inside the casing, a connecting rod is integrally formed on the upper end surface of the float, a protrusion is arranged on the inner bottom of the electrical box, a slot is arranged inside the protrusion, and a slider is arranged on the upper end of the connecting rod, and the sliding block is arranged on the upper end of the connecting rod. The block is slidably connected to the slot, and a first magnet is embedded inside the slider; a travel switch is installed on the inner bottom of the electrical box, and a rotating arm is rotatably connected to the inner bottom of the electrical box on one side of the travel switch, and the rotating arm is far away from the travel switch. One end of the rotating shaft is integrally formed with a frame body, a second magnet is embedded in one side of the frame body, and a third magnet is embedded in the other side of the frame body; the utility model can prevent sewage from entering the control circuit , so that the occurrence of leakage accidents can be avoided, and the damage of the control circuit can be avoided.

Description

Sewage lifter

technical field

The utility model relates to the technical field of sewage discharge devices, in particular to a sewage lifter.

Background technique

The sewage riser is a device used to discharge the sewage discharged from the toilet, the sewage discharged from the washbasin, and the sewage discharged from the urinal into the sewage pipeline. Then, the sewage discharged from the toilet, the sewage discharged from the washbasin, and the sewage discharged from the urinal are pumped into the sewage pipeline; but the control circuit in the sewage lifter currently used on the market is installed inside the shell, so that a Therefore, during the long-term use of the sewage lifter, sewage is easy to enter the control circuit, which will cause leakage or damage to the control circuit.

Utility model content

In view of the deficiencies of the prior art, the utility model provides a sewage lifter. Compared with the traditional sewage lifter, the electrical box is arranged on the upper end face of the upper cover, so that the control circuit can be installed in the electrical box. Therefore, when the sewage lifter is working, the sewage can be prevented from entering the control circuit, thereby avoiding the occurrence of electric leakage accidents, and avoiding the damage of the control circuit.

The sewage lifter of the utility model comprises a casing with an open upper end and a cavity inside, the upper end of the casing is sealed with an upper cover, and both sides of the bottom of the casing are provided with water inlets communicating with the casing, A water pump is installed inside the casing, the upper end of the water pump is fixed with a motor used to drive the impeller in the water pump to rotate, the bottom of the water pump is provided with a water inlet hole, the water outlet of the water pump is connected with a sewage pipe, and the end of the sewage pipe away from the water pump is connected by the casing. The upper part of the pump protrudes out of the shell, the inner bottom of the shell is provided with several support columns for supporting the water pump, the lower end of the water pump is fixed on the support column, and there is a gap between the water inlet hole of the pump and the inner bottom of the shell The top of the upper cover is integrally formed with an electrical box, the bottom of the electrical box is provided with a through hole for the lead wire of the motor to pass through, the upper end of the electrical box is fixed with a box cover, and the inside of the casing is provided with a float. The upper part is integrally formed with a connecting rod, the inner bottom of the electrical box is provided with a protrusion, and the inside of the protrusion is provided with a slot whose lower end is open and can be inserted into the upper end of the connecting rod, and the inner top of the upper cover is located at the position of the slot. There is a sleeve part sleeved on the outside of the connecting rod, the upper end of the connecting rod is provided with a slider, the slider is slidably connected with the slot, and the lower end of the sleeve part is pierced from front to back to block the slider to prevent sliding. The block is separated from the limit pin of the slot, and a first magnet is embedded inside the slider; a travel switch for controlling the start and stop of the motor is installed on the inner bottom of the electric box, and the inner bottom of the electric box located on one side of the travel switch rotates on the inner bottom A rotating arm for pushing the contacts on the travel switch is connected, a rotating shaft is arranged on the inner bottom of the electrical box, one end of the rotating arm is rotatably connected with the rotating shaft, and the end of the rotating arm away from the rotating shaft is integrally formed with a "["-shaped frame body, The two sides of the frame body are respectively located on both sides of the protrusion, one of the sides of the frame body is embedded with a second magnet with the same magnetic direction as the first magnet, and the other side of the frame body is embedded with a second magnet with the same magnetic direction as the first magnet. The first magnet and the third magnet with the opposite magnetic direction.

In the sewage lifter of the utility model, a pair of hooks are arranged on the inner bottom of the electrical box, and the travel switch is fastened on the inner bottom of the electrical box through the pair of hooks.

In the sewage lifter of the utility model, the bottom of the electrical box is provided with a placement slot for placing the capacitor.

In the sewage lifter of the utility model, the side wall of the electrical box is provided with a wire slot through which the power cord can pass.

In the sewage lifter of the utility model, the upper edge of the casing is sleeved with a sealing ring, the lower end surface of the upper cover is provided with an embedding groove into which the sealing ring can be embedded, and the upper edge of the casing and the sealing ring are embedded in the embedding groove The middle and rear sealing rings are tightly fitted with the casing and the insert groove.

Compared with the traditional sewage lifter, the utility model arranges the electric box on the upper end face of the upper cover, so that the control circuit can be installed in the electric box, so that the sewage can be prevented from entering when the sewage lifter is working. into the control circuit, thereby avoiding the occurrence of leakage accidents and avoiding damage to the control circuit.

Description of drawings

The drawings described herein are used to provide further understanding of the present application and constitute a part of the present application. The schematic embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation of the present application. In the attached image:

Fig. 1 is the sectional structure schematic diagram of the utility model after removing the travel switch, the rotating arm and the frame body;

Fig. 2 is a top-view structural schematic diagram after the upper cover is removed from the box cover;

Fig. 3 is the enlarged structural representation at A place in Fig. 1;

FIG. 4 is an enlarged schematic view of the structure at B in FIG. 2 .

Detailed ways

Several embodiments of the present invention will be disclosed in the following figures. For the sake of clarity, many practical details will be described together in the following description. It should be understood, however, that these practical details should not be used to limit the invention. That is, in some embodiments of the present invention, these practical details are unnecessary. In addition, for the purpose of simplifying the drawings, some well-known structures and components will be shown in a simple schematic manner in the drawings.

In addition, the descriptions such as “first”, “second”, etc. in the present invention are only for the purpose of description, and do not refer to the meaning of order or sequence, nor are they used to limit the present invention, which is only for the purpose of The components or operations described in the same technical terms are only distinguished, and should not be understood as indicating or implying their relative importance or implying the quantity of the indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization by those of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of such technical solutions does not exist. , is not within the scope of protection required by the present utility model.

The sewage lifter of the present invention comprises a casing 1 with an open upper end and a cavity inside. The connected water inlet 11, the water pump 3 is installed inside the casing 1, the upper end of the water pump 3 is fixed with a motor 4 for driving the impeller in the water pump 3 to rotate, the bottom of the water pump 3 is provided with a water inlet hole, and the water outlet of the water pump 3 is connected There is a sewage pipe 31. The end of the sewage pipe 31 away from the water pump 3 protrudes out of the casing 1 from the upper part of the casing 1. The inner bottom of the casing 1 is provided with a number of support columns 12 for supporting the water pump 3. The lower end is fixed on the support column 12, and there is a gap between the water inlet hole of the water pump 3 and the inner bottom of the housing 1; the top of the upper cover 2 is integrally formed with an electrical box 21, and the bottom of the electrical box 21 is provided with a motor 4 The through hole 22 through which the lead wire passes through, the upper end of the electrical box 21 is fixed with the box cover 5, the inside of the housing 1 is provided with a float 6, the upper end surface of the float 6 is integrally formed with a connecting rod 61, and the inner bottom of the electrical box 21 A protrusion 23 is provided on the upper part, and a slot 24 with an open lower end and an upper end of the connecting rod 61 can be inserted in the interior of the protrusion 23; The sleeve portion 25 outside the connecting rod 61, the upper end of the connecting rod 61 is provided with a slider 62, the slider 62 is slidably connected with the slot 24, and the lower end of the sleeve portion 25 is passed through from front to back for blocking the slider 62 to prevent A first magnet 63 is embedded inside the slider 62 to prevent the slider 62 from being separated from the limit pin 26 of the slot 24; a limit switch 7 for controlling the start and stop of the motor 4 is installed on the inner bottom of the electrical box 21, which is located at the limit switch 7. The inner bottom of the electrical box 21 on the 7 side is rotatably connected with a rotating arm 8 for pushing the contact 71 on the travel switch 7, the inner bottom of the electrical box 21 is provided with a rotating shaft 27, and one end of the rotating arm 8 rotates with the rotating shaft 27 Connection, the end of the rotating arm 8 away from the rotating shaft 27 is integrally formed with a "["-shaped frame body 81, the two sides of the frame body 81 are located on both sides of the protrusion 23, and one of the side edges of the frame body 81 is embedded. There is a second magnet 82 having the same magnetic direction as the first magnet 63 , and a third magnet 83 having the opposite magnetic direction to the first magnet 63 is embedded in the other side of the frame body 81 .

A pair of hooks 28 are arranged on the inner bottom of the electrical box 21, and the travel switch 7 is clamped on the inner bottom of the electrical box 21 through a pair of hooks 28; by adopting this structure, the travel switch can be reliably installed on the electrical box. On the inner bottom, and has the advantage of convenient installation of the travel switch.

The bottom of the electrical box 21 is provided with a placement slot 211 for placing the capacitor; through the placement of the slot, the capacitor in the control circuit can be placed in the placement slot.

The side wall of the electrical box 21 is provided with a wire slot 212 through which the power cord can pass; through the arrangement of the wire slot, the power cord can be easily drawn from the position where the wire slot is located.

The upper edge of the casing 1 is sleeved with a sealing ring 9 , and the lower end surface of the upper cover 2 is provided with an embedding groove 29 into which the sealing ring 9 can be embedded. The sealing ring 9 is tightly fitted with the casing 1 and the insert groove 29; by adopting this structure, the upper cover can be securely connected to the upper end of the casing.

When the utility model is working, when sewage enters the casing from the water inlet, the float moves upward, the float drives the connecting rod and the slider to move upward, the slider moves upward and drives the first magnet to move upward, and the first magnet moves upward. Then, the second magnet and the first magnet attract each other, and the third magnet and the first magnet repel each other. At this time, the rotating arm can rotate clockwise around the rotating shaft, so that the rotating arm can push the contacts on the travel switch, and the travel After the contacts on the switch are pushed, the travel switch makes the motor energized. After the motor is energized, it drives the water pump to rotate, and the water pump pulls out the sewage in the shell from the sewage pipe; The rod, the slider and the first magnet move down. At this time, the first magnet and the second magnet lose their attractive force, and the first magnet and the third magnet lose their repulsive force. In this way, the contact on the travel switch will push the rotating arm to reverse. When the hour hand rotates, and the travel switch disconnects the power supply of the motor, the motor stops working, and the water pump also stops working.

Compared with the traditional sewage lifter, the utility model arranges the electric box on the upper end face of the upper cover, so that the control circuit can be installed in the electric box, so that the sewage can be prevented from entering when the sewage lifter is working. into the control circuit, thereby avoiding the occurrence of leakage accidents and avoiding damage to the control circuit.

The above descriptions are merely embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the scope of the claims of the present invention.

Claims (5)

1. A sewage lifter, comprising a casing (1) with an open upper end and a cavity provided inside, the upper end of the casing (1) is sealedly mounted with an upper cover (2), and the casing (1) ) Both sides of the bottom are provided with a water inlet (11) communicating with the casing (1), a water pump (3) is installed inside the casing (1), and a water pump (3) is fixed on the upper end of the water pump (3) for driving The motor (4) in which the impeller rotates in the water pump (3), the bottom of the water pump (3) is provided with a water inlet hole, the water outlet of the water pump (3) is communicated with a sewage pipe (31), and the sewage pipe ( 31) The end away from the water pump (3) protrudes out of the casing (1) from the upper part of the casing (1), and the inner bottom of the casing (1) is provided with several supports for supporting the water pump (3). A column (12), the lower end of the water pump (3) is fixed on the support column (12), and a gap is left between the water inlet hole of the water pump (3) and the inner bottom of the housing (1); it is characterized in that : The top of the upper cover (2) is integrally formed with an electrical box (21), and the bottom of the electrical box (21) is provided with a through hole (22) for the lead wire of the motor (4) to pass through. A box cover (5) is fixed on the upper end of the electrical box (21), a float (6) is arranged inside the casing (1), and a connecting rod (61) is integrally formed on the upper end surface of the float (6), The inner bottom of the electrical box (21) is provided with a protrusion (23), and the interior of the protrusion (23) is provided with a slot (24) whose lower end is open and can be inserted into the upper end of the connecting rod (61), The inner top of the upper cover (2) at the position of the slot (24) is provided with a sleeve portion (25) partially sleeved on the outside of the connecting rod (61), and the upper end of the connecting rod (61) is provided with a sliding sleeve. A block (62), the sliding block (62) is slidably connected with the slot (24), and the lower end of the sleeve portion (25) is provided with a block (62) from the front to the rear for blocking the sliding block (62) to prevent the sliding block (24). 62) A limit pin (26) disengaged from the slot (24), a first magnet (63) is embedded in the inside of the slider (62); The travel switch (7) for starting and stopping the motor (4), the inner bottom of the electrical box (21) located on one side of the travel switch (7) is rotatably connected with a rotation for pushing the contact (71) on the travel switch (7). Arm (8), a rotating shaft (27) is provided on the inner bottom of the electrical box (21), one end of the rotating arm (8) is rotatably connected with the rotating shaft (27), and the rotating arm (8) is away from the rotating shaft ( One end of 27) is integrally formed with a "["-shaped frame body (81), the two sides of the frame body (81) are respectively located on both sides of the protrusion (23), and the frame body (81) is A second magnet (82) having the same magnetic direction as the first magnet (63) is embedded in one side edge, and a second magnet (82) having the same magnetic direction as the first magnet (63) is embedded in the other side edge of the frame body (81). The opposite third magnet (83). 2 . The sewage lifter according to claim 1 , wherein a pair of hooks ( 28 ) are provided on the inner bottom of the electrical box ( 21 ), and the travel switch ( 7 ) passes through a pair of hooks ( 2 . 28) Snap onto the inner bottom of the electrical box (21). 3. The sewage lifter according to claim 1, characterized in that, the bottom of the electrical box (21) is provided with a placement slot (211) for placing the capacitor. 4. The sewage lifter according to claim 1, characterized in that, a wire groove (212) through which the power cord can pass is provided on the side wall of the electrical box (21). 5 . The sewage lifter according to claim 1 , wherein a sealing ring ( 9 ) is sleeved on the upper edge of the casing ( 1 ), and a sealing ring ( 9 ) is provided on the lower end surface of the upper cover ( 2 ). 6 . Inserting groove (29) for embedding the sealing ring (9), the upper edge of the casing (1) and the sealing ring (9) are embedded in the embedding groove (29), after the sealing ring (9) and the casing (1) Fit tightly with the insert groove (29).

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