CN213039470U

CN213039470U - Self-circulation water pump

Info

Publication number: CN213039470U
Application number: CN202021647509.2U
Authority: CN
Inventors: 许客
Original assignee: Jiangsu Tianhai Pump Co ltd
Current assignee: Jiangsu Tianhai Pump Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-04-23
Anticipated expiration: 2030-08-10

Abstract

The utility model discloses a self-circulation water pump, including the motor case, centrifugal chamber and filter tube, one side of motor case is connected with centrifugal chamber through the connecting pipe, centrifugal chamber's up end is provided with the inlet tube, the port of inlet tube is connected with filter tube, filter tube includes first filter tube, filter bladder and second filter tube, the lower extreme of second filter tube welds on the inlet tube and communicates with the inlet tube, filter bladder's upper end is seted up the opening and is constructed threaded, filter bladder's lateral wall and bottom all gather and have the filtration pore, first filter tube's lower extreme is constructed with the screw thread that cooperates with the second filter tube, and first filter tube's middle part is seted up the opening and is constructed the screw thread that supplies filter bladder to install; one side of the water inlet pipe is connected with a branch pipe, and the other end of the branch pipe is connected with a cooling water tank. This self-loopa formula water pump filterable water in big particulate matter, avoid the impeller in the pump body to destroy, and good to the cooling effect of water pump motor, improved life.

Description

Self-circulation water pump

Technical Field

The utility model belongs to the water pump field, concretely relates to self-loopa formula water pump.

Background

The circulating water pump is arranged at a heat station (heat center), a heat source or a cold source and the like. In a closed loop of a heating system or an air-conditioning water system, a circulating water pump does not lift water to a high place, but circulates the water in the system repeatedly, overcomes resistance loss of the loop, has no direct relation with the height of a building, and is called as a circulating water pump.

The existing circulating water pump is in operation, some large particles may exist in a water body, if the particles are directly extracted, the risk of damage to an impeller in the pump body is possibly caused, the circulating water pump generates heat due to the operation of a motor during operation, sometimes, the used working environment is a high-temperature medium, the heat cannot be timely discharged, the circulating water pump is overheated, and then the circulating water pump is damaged, and the traditional circulating water pump is mainly cooled by air, so that the cooling effect is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a self-loopa formula water pump to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a self-circulation water pump comprises a motor box, a centrifugal cavity and a filter pipe, wherein one side of the motor box is connected with the centrifugal cavity through a connecting pipe, the upper end face of the centrifugal cavity is provided with a water inlet pipe, the port of the water inlet pipe is connected with the filter pipe, the filter pipe comprises a first filter pipe, a filter liner and a second filter pipe, the lower end of the second filter pipe is welded on the water inlet pipe and communicated with the water inlet pipe, the upper end of the filter liner is provided with a port and is provided with threads, the side wall and the bottom of the filter liner are respectively and densely provided with filter holes, the lower end of the first filter pipe is provided with threads matched with the second filter pipe, and the middle of the first filter pipe is provided with a port and is provided with threads for mounting the filter;

one side of inlet tube is connected with the lateral flow pipe, and the other end of lateral flow pipe is connected with coolant tank, and coolant tank is fixed in the up end of motor case, and coolant tank's the bottom of the case is provided with the cooling tube and passes coolant tank downwards and stretch into the motor incasement, is provided with water pump motor in the motor incasement, the cooling tube is the heliciform at the motor incasement and encircles water pump motor, and the cooling tube is kept away from coolant tank's one end and penetrates the centrifugal chamber through the connecting pipe.

Preferably, one side of the centrifugal cavity far away from the motor box is provided with a water outlet pipe, the water outlet pipe and the water inlet pipe are communicated with the centrifugal cavity, and a water pump blade is arranged in the centrifugal cavity.

Preferably, the bilateral symmetry of motor case is provided with the fixed ear of multiunit, and the below of motor case is provided with the base, and the up end of base is provided with the multiunit mount, and the mount is U type plate structure, and the both ends and the fixed ear of mount are connected, be provided with fixing bolt on the fixed ear, fixing bolt passes in fixed ear penetrates the mount, is fixed in the mount with the motor case.

Preferably, the bottom of the water pump motor is provided with a plurality of groups of mounting support legs, the lower ends of the mounting support legs are fixed at the bottom in the motor box, and the water pump motor is fixed in the motor box.

Preferably, the crankshaft of the water pump motor is connected with an extension shaft, and one end of the extension shaft, which is far away from the water pump motor, penetrates through the connecting pipe to extend into the centrifugal cavity and is connected to the water pump blades.

The utility model discloses a technological effect and advantage: this self-loopa formula water pump, during the use, before water by getting into the inlet tube, earlier through the filter tube, benefit from the internally mounted's of filter tube to cross the filter courage, can stay the inside of filter courage with great particulate matter filtration in the water, and utilize first filter tube, cross the cooperation between filter courage and the second filter tube, easily clear up the residue in the filter courage, avoid the water pump to receive the damage, and the water after the filtration benefits from the reposition of redundant personnel of flow pipe, carry out the circulation with water in water pump motor's periphery through the cooling tube, thereby cool off water pump motor, discharge in the chamber of affluxing at last, the cooling effect is good, the normal operating temperature requirement of motor has been guaranteed, service life is prolonged.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the filter tube according to the present invention;

fig. 3 is a schematic view of the internal structure of the motor case of the present invention.

In the figure: the centrifugal water pump comprises a base 1, a 101 fixing frame, a 2 motor box, a 3 fixing lug, a 301 fixing bolt, a 302 connecting pipe, a 4 centrifugal cavity, a 401 water outlet pipe, a 402 water inlet pipe, a 5 filter pipe, a 501 first filter pipe, a 502 filter liner, a 503 second filter pipe, a 6 cooling water tank, a 601 branch flow pipe, a 602 cooling pipe, a 7 water pump motor, a 701 extending shaft and 702 mounting legs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Unless defined otherwise, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the invention is applied, and all references are hereby incorporated herein by reference.

The utility model provides a self-circulation water pump as shown in figures 1-3, which comprises a motor case 2, a centrifugal chamber 4 and a filter tube 5, wherein one side of the motor case 2 is connected with the centrifugal chamber 4 through a connecting tube 302, in the concrete implementation, a fixing lug 3 is connected between the motor case 2 and the centrifugal chamber 4 through welding and connects the two, the inside of the fixing lug 3 is provided with a sealing ring which adopts the conventional sealing means of the water pump, the description is not repeated here, the phenomenon that the water in the centrifugal chamber 4 is immersed into the motor case 2 to affect the work of the motor is avoided, the upper end surface of the centrifugal chamber 4 is provided with a water inlet tube 402, the port of the water inlet tube 402 is connected with the filter tube 5, the filter tube 5 comprises a first filter tube 501, a filter liner 502 and a second filter tube 503, the lower end of the second filter tube 503 is welded on the water inlet tube 402 and is communicated with the water inlet tube 402, the side wall and the bottom of the filter liner 502 are densely provided with filter holes, the lower end part of the first filter pipe 501 is provided with a thread matched with the second filter pipe 503, the middle part of the first filter pipe 501 is provided with a port and is provided with a thread for mounting the filter liner 502, and during specific implementation, a layer of filter screen can be mounted at the lower part inside the second filter pipe 503 to improve the filtering effect;

one side of inlet tube 402 is connected with tributary pipe 601, and the other end of tributary pipe 601 is connected with coolant tank 6, and coolant tank 6 is fixed in the up end of motor case 2, and coolant tank 6's the bottom of the case is provided with in coolant tank 602 passes coolant tank 6 downwards and stretches into motor case 2, is provided with water pump motor 7 in the motor case 2, coolant tank 602 is the heliciform in motor case 2 and encircles water pump motor 7, and the one end that coolant tank 6 was kept away from to coolant tank 602 penetrates in chamber 4 through connecting pipe 302, during concrete implementation, the connected mode in this scheme can all adopt welded connection if not special explanation to improve the firm degree of connection.

Specifically, one side of the centrifugal cavity 4, which is far away from the motor box 2, is provided with a water outlet pipe 401, the water outlet pipe 401 and the water inlet pipe 402 are both communicated with the centrifugal cavity 4, and a water pump blade is arranged in the centrifugal cavity 4.

Specifically, the bilateral symmetry of motor case 2 is provided with fixed ear 3 of multiunit, and the below of motor case 2 is provided with base 1, and the up end of base 1 is provided with multiunit mount 101 through the welding, and mount 101 is U type plate structure, and the both ends of mount 101 are connected with fixed ear 3, be provided with fixing bolt 301 on the fixed ear 3, fixing bolt 301 passes in fixed ear 3 penetrates mount 101, is fixed in mount 101 with motor case 2 on, during concrete implementation, can weld the balancing weight in order to increase the device's stability on base 1.

Specifically, the bottom of water pump motor 7 is provided with multiunit installation landing leg 702, and the lower extreme of installation landing leg 702 is fixed in the bottom in motor case 2, is fixed in motor case 2 with water pump motor 7.

Specifically, the crankshaft of the water pump motor 7 is connected with an extension shaft 701, one end of the extension shaft 701, which is far away from the water pump motor 7, penetrates through the connecting pipe 302 and extends into the centrifugal cavity 4 and is connected to the water pump blades, and when the centrifugal water drainage device is used, the water pump motor 7 drives the water pump blades to rotate through the extension shaft 701 so as to achieve centrifugal water drainage.

The working principle of the self-circulation water pump is that when the self-circulation water pump is used, water passes through the filter pipe 5 before entering the water inlet pipe 402, the filter liner 502 is arranged in the filter pipe 5, the filter liner 502 filters larger particles in water and keeps the larger particles in the water inside the self-circulation water pump, the first filter pipe 501 can be directly screwed off during cleaning, then the filter liner 502 is taken out so as to clean residues in the filter liner 502, the water pump is prevented from being damaged, after the filtered water enters the water inlet pipe 402, a small part of the filtered water can be shunted by the shunt pipe 601, the shunt pipe 601 conveys the water into the cooling water tank 6, the cooling pipe 602 arranged at the bottom of the cooling water tank 6 is used for circulating the water around the water pump motor 7 to flow and finally inputting the water into the centrifugal cavity 4, the water is discharged through the water outlet pipe 401 under the action of the water pump blades, heat exchange is effectively carried out on the water pump motor 7, the water pump motor 7, the service life is prolonged.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a self-loopa formula water pump, includes motor case (2), centrifugal cavity (4) and filter tube (5), its characterized in that: one side of the motor box (2) is connected with a centrifugal cavity (4) through a connecting pipe (302), the upper end face of the centrifugal cavity (4) is provided with a water inlet pipe (402), the port of the water inlet pipe (402) is connected with a filter pipe (5), the filter pipe (5) comprises a first filter pipe (501), a filter liner (502) and a second filter pipe (503), the lower end of the second filter pipe (503) is welded on the water inlet pipe (402) and communicated with the water inlet pipe (402), the upper end of the filter liner (502) is provided with a through opening and is provided with threads, the side wall and the bottom of the filter liner (502) are densely provided with filter holes, the lower end part of the first filter pipe (501) is provided with threads matched with the second filter pipe (503), and the middle part of the first filter pipe (501) is provided with a through opening and is provided with threads for mounting the filter liner (502);

one side of inlet tube (402) is connected with tributary pipe (601), and the other end of tributary pipe (601) is connected with coolant tank (6), and coolant tank (6) are fixed in the up end of motor case (2), and the bottom of the case of coolant tank (6) is provided with in coolant pipe (602) passes coolant tank (6) and stretches into motor case (2) downwards, is provided with water pump motor (7) in motor case (2), coolant pipe (602) are the heliciform in motor case (2) and encircle water pump motor (7), and the one end that coolant tank (6) were kept away from in coolant pipe (602) penetrates in connecting pipe (302) centrifugal cavity (4).

2. The self-circulation water pump according to claim 1, wherein: one side of the centrifugal cavity (4) far away from the motor box (2) is provided with a water outlet pipe (401), the water outlet pipe (401) and the water inlet pipe (402) are communicated with the inside of the centrifugal cavity (4), and a water pump blade is arranged in the centrifugal cavity (4).

3. The self-circulation water pump according to claim 1, wherein: the bilateral symmetry of motor case (2) is provided with fixed ear of multiunit (3), and the below of motor case (2) is provided with base (1), and the up end of base (1) is provided with multiunit mount (101), and mount (101) are U type plate structure, and the both ends and the fixed ear (3) of mount (101) are connected, be provided with fixing bolt (301) on fixed ear (3), fixing bolt (301) pass fixed ear (3) penetrate in mount (101), are fixed in on mount (101) motor case (2).

4. The self-circulation water pump according to claim 1, wherein: the bottom of the water pump motor (7) is provided with a plurality of groups of mounting support legs (702), the lower ends of the mounting support legs (702) are fixed at the bottom in the motor box (2), and the water pump motor (7) is fixed in the motor box (2).

5. The self-circulation water pump according to claim 1, wherein: the crankshaft of the water pump motor (7) is connected with an extension shaft (701), and one end, far away from the water pump motor (7), of the extension shaft (701) penetrates through the connecting pipe (302) to extend into the centrifugal cavity (4) and is connected to the water pump blades.