Novel water pump

Abstract

The utility model relates to the technical field of water pumps, in particular to a novel water pump which comprises an upper shell, a lower shell, an impeller and a driver, the upper shell and the lower shell are connected in a sealed mode, a water passing cavity is formed in the upper shell and the lower shell, and a water inlet and a water outlet which are communicated with the water passing cavity are formed in the upper shell and the lower shell respectively. The driver is arranged in the lower shell, an output shaft of the driver is connected with the impeller located in the water passing cavity through a sealing assembly, and the sealing assembly can prevent liquid and impurities in the water passing cavity from permeating into the lower shell to damage the driver. The waterproof rubber ring and the waterproof bearing are matched with each other, so that the sealing performance of the installation cavity is better, liquid and impurities in the water passing cavity are prevented from entering the installation cavity to damage the driver, the waterproof rubber ring is arranged in the waterproof bearing and does not make direct contact with the liquid, the sealing performance is improved, and meanwhile the service life is longer. Compared with a traditional driver, the brushless motor is more energy-saving.

Description

Technical Field

[0001] The utility model relates to the technical field of water pumps, in particular to a novel water pump. Background Art

[0002] At present, existing water pump motors are connected to the impeller through a rotor, and their waterproof performance is achieved through a waterproof rubber ring arranged in the shaft hole of the output shaft. However, materials such as waterproof rubber rings will age faster when directly exposed to a liquid environment. That is, during actual use, their waterproof performance will drop sharply as the waterproof rubber ring ages until water seepage causes the water pump to be damaged as a whole and become unusable.

[0003] Therefore, the applicant proposes a novel water pump. Utility Model Content

[0004] In order to solve the deficiencies in the prior art, the utility model provides a new type of water pump.

[0005] The technical solution of the utility model is:

[0006] The utility model provides a novel water pump, comprising an upper shell, a lower shell, an impeller and a driver, wherein the upper shell and the lower shell are sealed and connected to form a water flow chamber therein, the upper shell and the lower shell are respectively provided with a water inlet and a water outlet communicated with the water flow chamber, the driver is arranged in the lower shell and the output shaft thereof is connected to the impeller in the water flow chamber through a sealing component, and the sealing component can prevent the liquid and impurities in the water flow chamber from penetrating into the lower shell and causing damage to the driver.

[0007] Furthermore, the sealing assembly includes a sealing shell, a waterproof bearing and a waterproof rubber ring; the lower shell has an installation cavity, the driver is fixed to the bottom surface of the installation cavity, the sealing shell is bolted to the top surface of the installation cavity, the output shaft of the driver passes through the sealing shell and is connected to the impeller, the waterproof bearing is located in the sealing shell and is sleeved on the output shaft of the driver, and the waterproof rubber ring is located in the waterproof bearing and is sleeved on the output shaft.

[0008] Furthermore, a filtering structure is provided on the water inlet, and the filtering structure includes a filter element shell fixedly mounted on the top of the upper shell body, a filter element is arranged in the filter element shell, and an access port for taking out or putting in the filter element is provided on the outer side of the filter element shell, and a plurality of filtering holes are provided on the top surface of the filter element shell.

[0009] Furthermore, the filter holes are in the shape of elongated strips.

[0010] Furthermore, a fairing is provided at the top of the upper shell to cooperate with the impeller.

[0011] Furthermore, there are multiple water inlets and all of them are long strips.

[0012] The beneficial effects achieved by the utility model are:

[0013] The waterproof rubber ring and the waterproof bearing in the utility model cooperate with each other to make the sealing of the installation cavity better, preventing the liquid and impurities in the water cavity from entering the installation cavity and causing damage to the driver. The waterproof rubber ring is arranged in the waterproof bearing and does not directly contact the liquid, which improves the sealing performance and prolongs the service life. The brushless motor is more energy-efficient than traditional drivers. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0015] Figure 2 It is a structural sectional view of the utility model.

[0016] Figure 3 It is an exploded view of the utility model. DETAILED DESCRIPTION

[0017] To facilitate those skilled in the art to understand the present invention, specific implementations of the present invention are described below with reference to the accompanying drawings.

[0018] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0019] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0020] like Figure 1-3As shown, a new type of water pump of the utility model includes an upper shell 1, a lower shell 2, an impeller 3 and a driver 4. The bottom end surface of the upper shell 1 and the top surface of the lower shell 2 are sealed and connected to form a water passage chamber 5 therein. The top surface of the upper shell 1 and the outer side surface of the lower shell 2 are respectively provided with a water inlet 11 and a water outlet 21 connected to the water passage chamber 5. The driver 4 is arranged in the lower shell 2 and its output shaft is connected to the impeller 3 located in the water passage chamber 5 through a sealing component 6. The sealing component 6 can prevent the liquid and impurities in the water passage chamber 5 from penetrating into the lower shell 2 to damage the driver 4.

[0021] The sealing assembly 6 includes a sealing shell 61, a waterproof bearing 62 and a waterproof rubber ring 63; the lower shell 2 has an installation cavity, the driver 4 is fixedly arranged on the bottom surface of the installation cavity, the driver 4 is a brushless motor, the sealing shell 61 is bolted to the top surface of the installation cavity, the output shaft of the driver 4 passes through the sealing shell 61 and is connected to the impeller 3, the waterproof bearing 62 is located in the sealing shell 61 and is sleeved on the output shaft of the driver 4, the waterproof rubber ring 63 is located in the waterproof bearing 62 and is sleeved on the output shaft; the waterproof bearing can better lubricate the output shaft to rotate and maintain its verticality, the waterproof rubber ring and the waterproof bearing cooperate with each other to make the installation cavity more sealed, and prevent the liquid and impurities in the water cavity from entering the installation cavity to damage the driver, and the waterproof rubber ring is located in the waterproof bearing and is not in direct contact with the liquid, which improves the sealing performance and has a longer service life. The brushless motor is more energy-efficient than the traditional driver.

[0022] A fairing 12 cooperating with the impeller 3 is arranged at the top of the upper shell 1 to reduce the vortex and turbulence of the liquid, thereby improving the transmission efficiency.

[0023] There are multiple water inlets 11, all of which are in the shape of long strips. A filtering structure 7 is also provided on the water inlet 11, and the filtering structure 7 includes a filter cartridge shell 71 fixedly mounted on the top of the upper shell body 1. A filter cartridge is provided in the filter cartridge shell 71, and the filter cartridge is preferably made of soft material, such as a filter sponge. The outer side of the filter cartridge shell 71 is provided with a take-in and put-in port for taking out or putting in the filter cartridge. The top surface of the filter cartridge shell 71 is provided with multiple filter holes 72, and the filter holes 72 are in the shape of long strips. The function of quickly replacing the filter element is realized, and its filtering performance is improved at the same time.

[0024] The above-described implementation methods of the utility model do not constitute a limitation on the protection scope of the utility model. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model shall be included in the protection scope of the claims of the utility model.

Claims

1. A new type of water pump, characterized by: The invention comprises an upper shell (1), a lower shell (2), an impeller (3) and a driver (4); the upper shell (1) and the lower shell (2) are sealed and connected to each other and form a water passage chamber (5) therein; the upper shell (1) and the lower shell (2) are respectively provided with a water inlet (11) and a water outlet (21) which are connected to the water passage chamber (5); the driver (4) is arranged in the lower shell (2) and its output shaft is connected to the impeller (3) located in the water passage chamber (5) through a sealing component (6); the sealing component (6) can prevent the liquid and impurities in the water passage chamber (5) from penetrating into the lower shell (2) and causing damage to the driver (4).

2. A new type of water pump according to claim 1, characterized in that: The sealing assembly (6) comprises a sealing shell (61), a waterproof bearing (62) and a waterproof rubber ring (63); the lower shell (2) has an installation cavity inside, the driver (4) is fixedly arranged on the bottom surface of the installation cavity, the sealing shell (61) is boltedly fixed on the top surface of the installation cavity, the output shaft of the driver (4) passes through the sealing shell (61) and is connected to the impeller (3), the waterproof bearing (62) is located in the sealing shell (61) and is sleeved on the output shaft of the driver (4), and the waterproof rubber ring (63) is located in the waterproof bearing (62) and is sleeved on the output shaft.

3. A new type of water pump according to claim 2, characterized in that: The water inlet (11) is also provided with a filtering structure (7), the filtering structure (7) comprising a filter cartridge shell (71) fixedly mounted on the top of the upper shell body (1), a filter cartridge being arranged inside the filter cartridge shell (71), a take-in and put-out opening for taking out or putting in the filter cartridge being arranged on the outer side surface of the filter cartridge shell (71), and a plurality of filtering holes (72) being arranged on the top surface of the filter cartridge shell.

4. A new type of water pump according to claim 3, characterized in that: The filtering hole (72) is in the shape of an elongated strip.

5. A new type of water pump according to claim 4, characterized in that: A fairing (12) cooperating with the impeller (3) is arranged inside the top end of the upper shell (1).

6. A new type of water pump according to claim 5, characterized in that: There are multiple water inlets (11) and all of them are in the shape of long strips.

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