CN218913175U - Idle-rotation-resistant centrifugal water pump - Google Patents

Abstract

The application discloses resistant centrifugal water pump that idles includes base, impeller shell, fixing base, driving motor, drive shaft, inlet tube, outlet pipe, sealed axle, casing, spoiler, connecting pipe, cooling tube, back flow and temperature sensor. According to the anti-idle centrifugal water pump, the problem of poor anti-idle performance of the centrifugal water pump is solved, the fixed seat is additionally arranged between the sealing shaft and the driving motor, the driving motor is used for driving the spoiler to rotate inside the shell to realize circulation of a cooling water source, and the sealing shaft position can be effectively cooled in a water cooling mode; this application can play good cooling effect when the water shortage is idle running in the impeller shell, avoids sealing member of sealed axle department to appear the problem of high temperature damage, improves centrifugal water pump's idle running resistance to be provided with temperature sensor and play temperature monitoring effect, avoid the too high sealing member damage that leads to of temperature, be favorable to improving centrifugal water pump's life.

Description

Idle-rotation-resistant centrifugal water pump

Technical Field

The application relates to the technical field of centrifugal water pump application, in particular to an idling-resistant centrifugal water pump.

Background

The centrifugal water pump is also called as centrifugal pump, and is a pump for conveying liquid by centrifugal force generated when the impeller rotates, and is mainly composed of impeller, pump body, pump shaft, bearing, sealing ring and stuffing box, etc., and its main characteristics include: compact structure, wide range of flow lift, uniform flow, stable operation, small vibration, lower maintenance and repair cost, etc.,

centrifugal water pump mainly plays sealed effect through the inside sealing ring of sealed axle, prevents when its main effect that rivers from leaking and permeating, but can not avoid appearing the idle running phenomenon and lead to sound sealing ring to appear high temperature and take place to warp, and then lead to sealed effect inefficacy, because idle running phenomenon is difficult to effectively avoid in time, causes certain damage to sealed axle position because of resistant idle running performance is relatively poor easily, and then reduces centrifugal water pump's life. Therefore, an idling-resistant centrifugal water pump is proposed to solve the above problems.

Disclosure of Invention

The embodiment provides an idling-resistant centrifugal water pump which is used for solving the problem that the idling-resistant performance of the centrifugal water pump in the prior art is poor.

According to one aspect of the present application, there is provided an idling-resistant centrifugal water pump comprising a base, an impeller housing, a fixing seat, and a sealing shaft;

the impeller comprises a base, a driving motor, a driving shaft, a sealing shaft, a fixing seat, a impeller shell, a spoiler, a connecting pipe and a return pipe, wherein the impeller shell and the fixing seat are fixedly installed on the surface of the base respectively, the driving motor is fixedly installed on one side of the fixing seat, the output end of the driving motor is fixedly connected with the driving shaft, the driving shaft is in sealing rotation connection with the inside of the fixing seat, one side of the impeller shell is fixedly installed with the impeller through the sealing shaft, the inside of the sealing shaft is in rotation connection with the driving shaft, the impeller is fixedly installed at one end of the driving shaft extending to the impeller shell, the spoiler is fixedly connected with the other end of the driving shaft, the spoiler is located inside the casing, the casing is fixedly connected with the connecting pipe and the return pipe respectively, and the connecting pipe and the return pipe are fixedly connected with the cooling pipe.

Further, the impeller shell is fixedly connected with the water inlet pipe and the water outlet pipe respectively, and the inside of the impeller shell is rotationally connected with the impeller.

Further, the surface of the sealing shaft is fixedly provided with a cooling pipe and a temperature sensor respectively, the temperature sensor is electrically connected with a controller of the driving motor, and the cooling pipe is of an annular structure and is sleeved with the sealing shaft.

Further, a plurality of connecting pipes are uniformly distributed on one side of the cooling pipe, the connecting pipes are uniformly distributed on the surface of the sealing shaft, and each connecting pipe is in penetrating connection with the fixing seat.

Further, the middle part of the shell is sleeved with the driving shaft, the shell is respectively communicated with a plurality of connecting pipes, and a plurality of spoilers are arranged inside the shell.

Further, the fixing base top and the back flow through connection, the back flow both ends communicate with cooling tube and casing respectively, the length of back flow is greater than the length of connecting pipe.

Through the above-mentioned embodiment of this application, adopted the centrifugal water pump that is resistant to idle running, solved the poor problem of centrifugal water pump that is resistant to idle running, through installing the fixing base additional between sealed axle and driving motor, utilize driving motor to drive the spoiler and rotate the circulation that realizes the cooling water source inside the casing, can seal the effective cooling of axle position through the water-cooling mode, can play good cooling effect when the water shortage is idle running in the impeller shell, avoid sealing member of sealed axle department to appear the problem of high temperature damage, improve centrifugal water pump's resistant idle running ability, and be provided with temperature sensor and play temperature monitoring effect, avoid the high temperature and lead to sealing member to damage, be favorable to improving centrifugal water pump's life.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic perspective view of an embodiment of the present application;

FIG. 2 is a schematic front view of an embodiment of the present application;

fig. 3 is a schematic top view of an embodiment of the present application.

In the figure: 1. the device comprises a base, 2, an impeller shell, 3, a fixed seat, 4, a driving motor, 5, a driving shaft, 6, a water inlet pipe, 7, a water outlet pipe, 8, a sealing shaft, 9, a shell, 10, a spoiler, 11, a connecting pipe, 12, a cooling pipe, 13, a return pipe, 14 and a temperature sensor.

Detailed Description

In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1-3, an idling-resistant centrifugal water pump comprises a base 1, an impeller shell 2, a fixed seat 3 and a sealing shaft 8;

the impeller comprises a base 1, an impeller shell 2 and a fixed seat 3 are fixedly arranged on the surface of the base 1, a driving motor 4 is fixedly arranged on one side of the fixed seat 3, the output end of the driving motor 4 is fixedly connected with a driving shaft 5, the driving shaft 5 is in sealed rotation connection with the inside of the fixed seat 3, one side of the impeller shell 2 is fixedly arranged with the fixed seat 3 through a sealing shaft 8, the inside of the sealing shaft 8 is in rotation connection with the driving shaft 5, the driving shaft 5 extends to one end of the impeller shell 2 and is fixedly provided with an impeller, the other end of the driving shaft 5 is fixedly connected with a spoiler 10, the spoiler 10 is positioned in a shell 9, the shell 9 is fixedly connected with a connecting pipe 11 and a return pipe 13 respectively, and the connecting pipe 11 and the return pipe 13 are fixedly connected with a cooling pipe 12.

The impeller shell 2 is fixedly connected with the water inlet pipe 6 and the water outlet pipe 7 respectively, and the inside of the impeller shell 2 is rotationally connected with the impeller for conveying a water source; the surface of the sealing shaft 8 is fixedly provided with a cooling pipe 12 and a temperature sensor 14 respectively, the temperature sensor 14 is electrically connected with a controller of the driving motor 4, and the cooling pipe 12 is of an annular structure and is sleeved with the sealing shaft 8 for playing a role in high-temperature protection; a plurality of connecting pipes 11 are uniformly distributed on one side of the cooling pipe 12, the plurality of connecting pipes 11 are uniformly distributed on the surface of the sealing shaft 8, and each connecting pipe 11 is in penetrating connection with the fixing seat 3 and is used for conveying a cooling water source; the middle part of the shell 9 is sleeved with the driving shaft 5, the shell 9 is respectively communicated with a plurality of connecting pipes 11, and a plurality of spoilers 10 are arranged in the shell 9 and used for circulating water sources in the shell 9; the top of the fixed seat 3 is in penetrating connection with the return pipe 13, two ends of the return pipe 13 are respectively communicated with the cooling pipe 12 and the shell 9, and the length of the return pipe 13 is greater than that of the connecting pipe 11 and is used for realizing natural cooling and continuously cooling the sealing shaft 8.

This application when using, the electrical components that appear in this application all external intercommunication power and control switch when using, driving motor 4 drives drive shaft 5 and rotates, drive impeller at inside rotation of impeller shell 2, make rivers get into through inlet tube 6, discharge from outlet tube 7 through centrifugal mode, drive spoiler 10 simultaneously at the inside rotation of casing 9, carry casing 9 inside cooling water to cooling tube 12 through connecting pipe 11, the flow of water source discharges sealed axle 8 department temperature in connecting pipe 11 and the cooling tube 12, and carry casing 9 inside again through back flow 13, because the length of back flow 13 is greater than the length of connecting pipe 11 far away, make back flow 13 internal temperature give off to the external world, carry to casing 9 inside realization circulation after making the water source cool off, when taking place the idle running, impeller and spoiler 10 rotational speed accelerate, and then make connecting pipe 11, cooling tube 12 and back flow in the back flow 13 flow speed accelerate, realize the quick absorption of sealed axle 8 department temperature, avoid the high temperature and lead to sealing component damage problem, improve centrifugal water pump's idle running resistance, be provided with temperature sensor 14 and make the temperature carry out protection through controller control drive motor 4 when reaching the threshold value, improve centrifugal water pump life.

The beneficial point of the application lies in:

1. according to the anti-idle centrifugal water pump, the problem of poor anti-idle performance of the centrifugal water pump is solved, the fixed seat is additionally arranged between the sealing shaft and the driving motor, the driving motor is used for driving the spoiler to rotate inside the shell to realize circulation of a cooling water source, and the sealing shaft position can be effectively cooled in a water cooling mode;

2. this application can play good cooling effect when the water shortage is idle running in the impeller shell, avoids sealing member of sealed axle department to appear the problem of high temperature damage, improves centrifugal water pump's idle running resistance to be provided with temperature sensor and play temperature monitoring effect, avoid the too high sealing member damage that leads to of temperature, be favorable to improving centrifugal water pump's life.

The related circuits, electronic components and modules are all in the prior art, and can be completely implemented by those skilled in the art, and needless to say, the protection of the present application does not relate to improvements of software and methods.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims (6)

1. An idling-resistant centrifugal water pump is characterized in that: comprises a base (1), an impeller shell (2), a fixed seat (3) and a sealing shaft (8);

the novel impeller comprises a base (1), wherein an impeller shell (2) and a fixed seat (3) are fixedly arranged on the surface of the base (1), a driving motor (4) is fixedly arranged on one side of the fixed seat (3), the output end of the driving motor (4) is fixedly connected with a driving shaft (5), the driving shaft (5) is in sealed rotation connection with the inside of the fixed seat (3), one side of the impeller shell (2) is fixedly arranged on the other side of the impeller shell (2) through a sealing shaft (8), the inside of the sealing shaft (8) is in rotation connection with the driving shaft (5), an impeller is fixedly arranged at one end of the driving shaft (5) extending to the impeller shell (2), a spoiler (10) is fixedly connected with the other end of the driving shaft (5), the spoiler (10) is arranged inside a shell (9), the shell (9) is fixedly connected with a connecting pipe (11) and a backflow pipe (13) respectively, and the connecting pipe (11) and the backflow pipe (13) are fixedly connected with a cooling pipe (12).

2. An idling-resistant centrifugal water pump as claimed in claim 1, wherein: the impeller shell (2) is fixedly connected with the water inlet pipe (6) and the water outlet pipe (7) respectively, and the inside of the impeller shell (2) is rotationally connected with the impeller.

3. An idling-resistant centrifugal water pump as claimed in claim 1, wherein: the surface of the sealing shaft (8) is fixedly provided with a cooling pipe (12) and a temperature sensor (14) respectively, the temperature sensor (14) is electrically connected with a controller of the driving motor (4), and the cooling pipe (12) is of an annular structure and is sleeved with the sealing shaft (8).

4. An idling-resistant centrifugal water pump as claimed in claim 1, wherein: a plurality of connecting pipes (11) are uniformly distributed on one side of the cooling pipe (12), the connecting pipes (11) are uniformly distributed on the surface of the sealing shaft (8), and each connecting pipe (11) is in penetrating connection with the fixing seat (3).

5. An idling-resistant centrifugal water pump as claimed in claim 1, wherein: the middle part of the shell (9) is sleeved with the driving shaft (5), the shell (9) is respectively communicated with a plurality of connecting pipes (11), and a plurality of spoilers (10) are arranged inside the shell (9).

6. An idling-resistant centrifugal water pump as claimed in claim 1, wherein: the top of the fixing seat (3) is in penetrating connection with the return pipe (13), two ends of the return pipe (13) are respectively communicated with the cooling pipe (12) and the shell (9), and the length of the return pipe (13) is greater than that of the connecting pipe (11).

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