Rotor pump capable of being internally dredged

Abstract

The utility model discloses a rotor pump capable of being internally dredged, which relates to the technical field of rotor pumps and comprises a transmission case. The motor is arranged at the rear end of the transmission box, a driving rotor is arranged at the upper end of the interior of the transmission box, a connecting shaft is arranged between the driving rotor and the motor, the motor drives the connecting shaft to drive the driving rotor to rotate, a driven rotor is arranged at the lower end of the interior of the transmission box, and a temporary storage box is arranged at the bottom end of the transmission box; an air cylinder is arranged at the bottom of the temporary storage box and connected with a piston disc in the temporary storage box, when cleaning liquid is poured into the transmission box, the air cylinder drives the piston disc to reciprocate up and down, the cleaning liquid moves between the transmission box and the temporary storage box repeatedly, impurities in the transmission box can be separated, and the cleaning liquid enters and exits the transmission box repeatedly. The cleaning efficiency of the interior of the transmission box is improved, and the interior of the transmission box is conveniently dredged.

Description

Technical Field

[0001] The utility model relates to the technical field of rotor pumps, and particularly relates to a rotor pump capable of internal dredging. Background Technique

[0002] The rotor pump is a form of positive displacement pump. It consists of a rotating rotor and a stationary pump body. It has no suction and discharge valves. It changes the working volume through the relative movement between the rotor and the pump body, and discharges the liquid by the extrusion action of the rotating rotor. At the same time, a space is left on the other side to form a low pressure, so that the liquid is continuously sucked in. According to its structure and principle, the rotor pump can be divided into gear pumps, screw pumps, rotary piston pumps, flexible impeller pumps, sliding vane pumps, hose pumps, etc.

[0003] Such as the rotor pump capable of self-cleaning with the publication number CN213540707U. The device includes a rotor pump body. A medium output pump port is arranged on one side of the rotor pump body, and a medium input pump port is arranged on the other side of the rotor pump body. A rotor cavity is arranged inside the rotor pump body, and the medium output pump port and the medium input pump port extend into the rotor cavity. When the inside of the pump body needs to be cleaned, the outlets and inlets on both sides are closed, and then the cleaning liquid inlet above is opened, and the cleaning liquid is input into the pump body through the cleaning liquid inlet. After the cleaning is completed, the cleaning liquid discharge port at the bottom is opened to discharge the liquid inside the pump body;

[0004] During the use of the above device, the cleaning liquid is added into the pump body to clean the inside of the pump body, but the cleaning liquid only simply passes through the pump body and then flows out, which cannot effectively carry out the residue inside the pump body, resulting in a low cleaning efficiency of the inside of the pump body. Therefore, we propose a rotor pump capable of internal dredging to solve the problems raised above. Content of the Utility Model

[0005] The purpose of the utility model is to provide a rotor pump capable of internal dredging to solve the problem that when the cleaning liquid is added into the pump body to clean the inside of the pump body, the cleaning liquid only simply passes through the pump body and then flows out, which cannot effectively carry out the residue inside the pump body, resulting in a low cleaning efficiency of the inside of the pump body as mentioned in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A rotor pump capable of internal dredging, including a transmission box;

[0007] It further includes:

[0008] A motor is arranged at the rear end of a transmission case. An active rotor is arranged at the upper end inside the transmission case. A connecting shaft is arranged between the active rotor and the motor, and the motor drives the connecting shaft to drive the active rotor to rotate. A driven rotor is arranged at the lower end inside the transmission case. A rotating shaft is connected to the rear end of the driven rotor. A temporary storage box is arranged at the bottom of the transmission case, and the temporary storage box is connected to the inside of the transmission case. A cylinder is arranged at the bottom of the temporary storage box. A telescopic rod is arranged inside the temporary storage box, and the telescopic rod is connected to and driven by the cylinder. A piston disc is arranged at the upper end of the telescopic rod, and the piston disc slides inside the temporary storage box. An input port and an output port are respectively arranged on the left and right sides outside the transmission case.

[0009] Preferably, a liquid adding port is arranged at the upper end of the transmission case, and the inner hole of the liquid adding port is internally threaded. A sealing plug is arranged inside the liquid adding port, and the sealing plug is in threaded connection with the liquid adding port.

[0010] Preferably, a one-way plate is arranged at the upper end inside the temporary storage box, and the one-way plate is opened and closed through a connecting member. A filter screen is arranged on the surface of the one-way plate.

[0011] Preferably, a slag discharging port is arranged on the rear side surface of the temporary storage box, and a valve port is arranged outside the slag discharging port.

[0012] Preferably, a cover is arranged at the front end of the transmission case, and the cover is fixed to the front end of the transmission case through bolts.

[0013] Preferably, a first valve is connected to one end of the input port, and a second valve is connected to one end of the output port.

[0014] Preferably, both the connecting shaft and the rotating shaft rotate outside the transmission case through bearings.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] 1. By arranging a temporary storage box at the bottom end of the transmission case, arranging a cylinder at the bottom of the temporary storage box, and connecting the cylinder to a piston disc inside the temporary storage box, when the cleaning liquid is poured into the inside of the transmission case, the cylinder drives the piston disc to move up and down reciprocally, and the cleaning liquid is repeatedly moved between the transmission case and the temporary storage box, so that the impurities inside the transmission case can be separated, the cleaning liquid repeatedly enters and exits the transmission case, the cleaning efficiency inside the transmission case is improved, and it is convenient to dredge the inside of the transmission case.

[0017] 2. By arranging a one-way plate at the upper end inside the temporary storage box and a filter screen on the surface of the one-way plate, the one-way plate opens when the cleaning liquid enters the temporary storage box, allowing the cleaning liquid and impurities inside the transmission box to enter the temporary storage box. When the cleaning liquid is output, the one-way plate closes, and the cleaning liquid passes through the filter screen and enters the transmission box, while the impurities are intercepted by the filter screen in the temporary storage box. After several repetitions, the impurities inside the transmission box can be blocked inside the temporary storage box, facilitating the collection of impurities and improving the dredging efficiency of the rotor pump. Brief Description of the Drawings

[0018] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 is a side view of the overall structure of the present invention;

[0020] Figure 3 is a front view of the overall structure of the present invention;

[0021] Figure 4 is an enlarged view of the structure at A of the present invention;

[0022] In the figure: 1, transmission box; 2, cover; 3, motor; 4, temporary storage box; 5, cylinder; 6, active rotor; 7, driven rotor; 8, connecting shaft; 9, rotating shaft; 10, liquid filling port; 11, sealing plug; 12, input port; 13, output port; 14, first valve; 15, second valve; 16, telescopic rod; 17, piston disc; 18, one-way plate; 19, filter screen; 20, slag discharge port. Detailed Embodiment

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Please refer to Figures 1-4 , an embodiment provided by the present invention: a rotor pump capable of internal dredging, including a transmission box 1;

[0025] It further includes:

[0026] The motor 3 is arranged at the rear end of the transmission case 1. An active rotor 6 is arranged at the upper end inside the transmission case 1. A connecting shaft 8 is arranged between the active rotor 6 and the motor 3. The motor 3 drives the connecting shaft 8 to drive the active rotor 6 to rotate. A driven rotor 7 is arranged at the lower end inside the transmission case 1. A rotating shaft 9 is connected to the rear end of the driven rotor 7. A temporary storage box 4 is arranged at the bottom of the transmission case 1. The temporary storage box 4 is connected to the inside of the transmission case 1. A cylinder 5 is arranged at the bottom of the temporary storage box 4. A telescopic rod 16 is arranged inside the temporary storage box 4. The telescopic rod 16 is connected to and driven by the cylinder 5. A piston disc 17 is arranged at the upper end of the telescopic rod 16. The piston disc 17 slides inside the temporary storage box 4. An input port 12 and an output port 13 are respectively arranged on the left and right sides outside the transmission case 1.

[0027] A temporary storage box 4 is arranged at the bottom end of the transmission case 1. A cylinder 5 is arranged at the bottom of the temporary storage box 4. The cylinder 5 is connected to a piston disc 17 inside the temporary storage box 4. When the cleaning liquid is poured into the inside of the transmission case 1, the cylinder 5 drives the piston disc 17 to move up and down reciprocally, moving the cleaning liquid back and forth between the transmission case 1 and the temporary storage box 4, so that the impurities inside the transmission case 1 can be separated. The cleaning liquid repeatedly enters and exits the transmission case 1, improving the cleaning efficiency inside the transmission case 1 and facilitating the dredging of the inside of the transmission case 1.

[0028] Please refer to Figure 2 , a liquid adding port 10 is arranged at the upper end of the transmission case 1. The inner hole of the liquid adding port 10 is an internal thread. A sealing plug 11 is arranged inside the liquid adding port 10. The sealing plug 11 is threadedly connected to the liquid adding port 10, which is convenient for sealing the liquid adding port 10 through the sealing plug 11 during dredging.

[0029] Please refer to Figure 4 , a one-way plate 18 is arranged at the upper end inside the temporary storage box 4. The one-way plate 18 is opened and closed through a connecting piece. A filter screen 19 is arranged on the surface of the one-way plate 18, which is convenient for intercepting the impurities inside the cleaning liquid inside the temporary storage box 4.

[0030] Please refer to Figure 2 , a slag discharge port 20 is arranged on the rear side surface of the temporary storage box 4. A valve port is arranged outside the slag discharge port 20. After the cleaning is completed, the piston disc 17 moves to the lower part of the slag discharge port 20, and opening the slag discharge port 20 can discharge the cleaning liquid and impurities.

[0031] Please refer to Figure 1 , a cover 2 is arranged at the front end of the transmission case 1. The cover 2 is fixed to the front end of the transmission case 1 through bolts. The cover 2 can be disassembled, which is convenient for repairing the inside of the transmission case 1.

[0032] Please refer to Figure 3, one end of the input port 12 is connected with a first valve 14, and one end of the output port 13 is connected with a second valve 15. During cleaning, the valves can be closed to block the inlets and outlets on both sides, preventing the cleaning liquid from flowing out of the inlets and outlets.

[0033] Please refer to Figure 2 , both the connecting shaft 8 and the rotating shaft 9 rotate outside the transmission case 1 through bearings, facilitating the rotation of the connecting shaft 8 and the rotating shaft 9.

[0034] Working principle: When it is necessary to dredge the inside of the rotor pump, first close the first valve 14 and the second valve 15 on both sides. Then, unscrew the sealing plug 11, pour the cleaning liquid into the inside of the transmission case 1 from the liquid filling port 10. Subsequently, start the cylinder 5 and repeatedly drive the piston disk 17 to move up and down inside the temporary storage tank 4. At the same time, when the piston disk 17 moves up and down, it is always above the slag discharge port 20, so that the cleaning liquid repeatedly enters and exits the inside of the transmission case 1 and the temporary storage tank 4. When the cleaning liquid enters the temporary storage tank 4, the one-way plate 18 opens, allowing the cleaning liquid and the impurities inside the transmission case 1 to enter the temporary storage tank 4. When discharging the cleaning liquid, the one-way plate 18 closes, and the cleaning liquid passes through the filter screen 19 and the one-way plate 18 to enter the transmission case 1, while the impurities are intercepted by the filter screen 19 in the temporary storage tank 4. After cleaning, the piston disk 17 moves to the lower part of the slag discharge port 20, and opening the slag discharge port 20 can discharge the cleaning liquid and the impurities.

[0035] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, it is intended to encompass all changes falling within the meaning and scope of the equivalent elements of the claims in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

Claims

1. A rotor pump with internal dredging function, comprising a transmission box (1); It is characterized in that: It further includes: A motor (3) is arranged at the rear end of the transmission box (1). An active rotor (6) is arranged at the upper end inside the transmission box (1). A connecting shaft (8) is arranged between the active rotor (6) and the motor (3). The motor (3) drives the connecting shaft (8) to drive the active rotor (6) to rotate. A driven rotor (7) is arranged at the lower end inside the transmission box (1). A rotating shaft (9) is connected to the rear end of the driven rotor (7). A temporary storage box (4) is arranged at the bottom of the transmission box (1), and the temporary storage box (4) is connected to the inside of the transmission box (1). A cylinder (5) is arranged at the bottom of the temporary storage box (4). A telescopic rod (16) is arranged inside the temporary storage box (4), and the telescopic rod (16) is connected and driven by the cylinder (5). A piston disc (17) is arranged at the upper end of the telescopic rod (16), and the piston disc (17) slides inside the temporary storage box (4). An input port (12) and an output port (13) are respectively arranged on the left and right sides outside the transmission box (1).

2. The internal dredgeable rotor pump according to claim 1, characterized in that: A liquid filling port (10) is arranged at the upper end of the transmission box (1), and the inner hole of the liquid filling port (10) is internally threaded. A sealing plug (11) is arranged inside the liquid filling port (10), and the sealing plug (11) is threadedly connected to the liquid filling port (10).

3. The internal-bleeding rotor pump according to claim 1, characterized in that: A one-way plate (18) is arranged at the upper end inside the temporary storage box (4), and the one-way plate (18) is opened and closed through a connecting piece. A filter screen (19) is arranged on the surface of the one-way plate (18).

4. A rotor pump capable of internal dredging according to claim 1, characterized in that: A slag discharge port (20) is arranged on the rear side surface of the temporary storage box (4), and a valve port is arranged outside the slag discharge port (20).

5. A rotor pump capable of internal dredging according to claim 1, characterized in that: A cover (2) is arranged at the front end of the transmission box (1), and the cover (2) is fixed to the front end of the transmission box (1) by bolts.

6. The internal dredgeable rotor pump according to claim 1, wherein: A first valve (14) is connected to one end of the input port (12), and a second valve (15) is connected to one end of the output port (13).

7. The internal dredgeable rotor pump according to claim 1, wherein: Both the connecting shaft (8) and the rotating shaft (9) rotate outside the transmission box (1) through bearings.

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