Brushless pump capable of adjusting flow and lift

Abstract

The utility model relates to the technical field of brushless water pumps, and discloses a brushless pump capable of adjusting flow and lift, which comprises a pump shell, a power mechanism arranged in the pump shell, a blade cabin cover fixedly mounted at one end of the pump shell, and a water inlet fixedly mounted at an opening at one end of the pump shell, where the blade cabin cover is mounted. A water outlet communicated with the water inlet is fixedly formed in the outer wall of the pump shell, an adjusting valve assembly is arranged in the vane cabin cover and comprises an adjusting valve body and an adjusting valve pressing block, the adjusting valve body and the adjusting valve pressing block are each provided with a through opening, and the through openings in the adjusting valve body and the adjusting valve pressing block are aligned to the water inlet. According to the utility model, the size of the water inlet hole is changed by shifting the position of the regulating valve main body, meanwhile, the effect of regulating flow and lift can be achieved, a user can regulate to a proper gear according to requirements, and the regulating valve assembly is simple to disassemble and assemble, convenient to operate and high in practicability. And the user can conveniently clean.

Description

Technical Field

[0001] The utility model belongs to the technical field of brushless water pumps, in particular to a brushless pump with adjustable flow and lift. Background Art

[0002] A brushless DC water pump uses the principle of a permanent magnet brushless DC motor, with an impeller added to its rotor and a housing structure designed to create a cavity that causes the liquid to move centrifugally. Because there is no carbon brush friction, no sparks are generated. It has the advantages of high efficiency, low power consumption, longer life than brushed motors, and low noise. Conventional brushless DC water pumps adjust the flow rate and head range by electronically changing the voltage and speed. This operation is complex and the flow rate and head range cannot be adjusted quickly. Therefore, this application proposes a brushless pump with adjustable flow rate and head. Utility Model Content

[0003] In order to solve the problems raised in the above-mentioned background technology, the utility model provides the following technical solutions: a brushless pump with adjustable flow and lift, comprising a pump casing, a power mechanism arranged inside the pump casing, a blade cover fixedly installed at one end of the pump casing, a water inlet fixedly installed at the opening at one end of the pump casing where the blade cover is installed, a water outlet connected to the water inlet fixedly installed on the outer wall of the pump casing, a regulating valve assembly arranged inside the blade cover, the regulating valve assembly comprising a regulating valve body and a regulating valve pressure block, both the regulating valve body and the regulating valve pressure block are provided with through ports, and the through ports on the regulating valve body and the regulating valve pressure block are aligned with the water inlet, the regulating valve body can be moved to the left to block the water inlet, the outer part of the blade cover is snap-fitted with a front cover, and the front cover covers the outside of the regulating valve assembly.

[0004] Furthermore, when the regulating valve body is located on the right side of the blade cabin cover, the water inlet is at the maximum gear position; when the regulating valve body is located in the middle of the blade cabin cover, the water inlet is at the middle gear position; when the regulating valve body is located on the left side of the blade cabin cover, the water inlet is at the minimum gear position.

[0005] Furthermore, an opening is provided on one side of the front cover, and one end of the regulating valve body extends from the opening of the side wall of the front cover to the outside.

[0006] Furthermore, the power mechanism includes a rotor assembly, a stator assembly, a PCBA drive board and a power cord. The stator assembly is fixedly installed in the pump housing, the rotor assembly is rotatably installed between the stator assemblies, the PCBA drive board is fixedly installed in the pump housing and located above the stator assembly, and the power cord is linearly connected to the PCBA drive board.

[0007] Furthermore, an impeller is fixedly mounted on the output end of the rotor assembly, and the impeller is located at the opening of the water inlet.

[0008] Furthermore, a plurality of heat dissipation holes are evenly formed on one end of the front cover away from the pump housing.

[0009] Compared with the prior art, the beneficial effects of the present invention are:

[0010] By adjusting the position of the regulating valve body in the regulating valve assembly, it can block the water inlet to different degrees, thereby changing the opening size of the water inlet, so as to achieve the purpose of adjusting the flow and head. The user can adjust to the appropriate gear according to needs; and the regulating valve assembly is easy to disassemble and assemble, making it convenient for the user to clean it. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0012] Figure 1 It is a schematic cross-sectional structure diagram of the entire utility model;

[0013] Figure 2 It is an exploded view of the utility model;

[0014] In the figure: 1. Pump casing; 2. Impeller cover; 3. Control valve body; 4. Control valve pressure block; 5. Front cover; 6. Rotor assembly; 7. Stator assembly; 8. PCBA drive board; 9. Power cord; 10. Impeller; 11. Water inlet; 12. Water outlet. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0016] Depend on Figure 1-2 The utility model includes a pump casing 1, a power mechanism is provided inside the pump casing 1, a blade compartment cover 2 is fixedly installed at one end of the pump casing 1, a water inlet 11 is fixedly installed at the opening at one end of the blade compartment cover 2 of the pump casing 1, and a water outlet 12 connected with the water inlet 11 is fixedly installed on the outer wall of the pump casing 1, a regulating valve assembly is provided inside the blade compartment cover 2, the regulating valve assembly includes a regulating valve body 3 and a regulating valve pressure block 4, the regulating valve body 3 and the regulating valve pressure block 4 are both provided with a through port, and the through ports on the regulating valve body 3 and the regulating valve pressure block 4 are aligned with the water inlet 11, the regulating valve body 3 can be moved to the left to block the water inlet 11, and the outer snap-fit sleeve of the blade compartment cover 2 is connected with a front cover 5, the front cover 5 covers the outside of the regulating valve assembly, and after the front cover 5 is removed, the regulating valve assembly installed in the blade compartment cover 2 can be disassembled and assembled, and the disassembly and assembly process of the entire regulating valve assembly is simple and convenient, and convenient for users to clean.

[0017] like Figure 1 and Figure 2 As shown, when the regulating valve body 3 is located on the right side of the leaf hatch cover 2, the water inlet 11 is at the maximum gear position; when the regulating valve body 3 is located in the middle of the leaf hatch cover 2, the water inlet 11 is at the middle gear position; when the regulating valve body 3 is located on the left side of the leaf hatch cover 2, the water inlet 11 is at the minimum gear position. In this way, the user can adjust to the appropriate gear position according to needs.

[0018] like Figure 1 and Figure 2 As shown, an opening is provided on one side of the front cover 5, and one end of the regulating valve body 3 extends from the opening on the side wall of the front cover 5 to the outside, so that the position of the regulating valve body 3 can be adjusted conveniently, thereby changing the gear size of the water flow at the water inlet 11.

[0019] like Figure 1 and Figure 2 As shown, the power mechanism includes a rotor assembly 6, a stator assembly 7, a PCBA drive board 8 and a power cord 9. The stator assembly 7 is fixedly installed in the pump housing 1, and the rotor assembly 6 is rotatably installed between the stator assembly 7. The PCBA drive board 8 is fixedly installed in the pump housing 1 and is located above the stator assembly 7. The power cord 9 is linearly connected to the PCBA drive board 8. The rotor assembly 6 and the stator assembly 7 in the power mechanism can drive the impeller 10 to rotate at high speed. The PCBA drive board 8 can control the switch of the rotor assembly 6 and the stator assembly 7, and the power cord 9 can provide electrical energy for the operation of the rotor assembly 6 and the stator assembly 7.

[0020] like Figure 1 and Figure 2 As shown, an impeller 10 is fixedly mounted at the output end of the rotor assembly 6. The impeller 10 is located at the opening of the water inlet 11. The impeller 10 at the output end of the rotor assembly 6 can be driven to rotate at high speed through the rotor assembly 6, the stator assembly 7, the PCBA drive board 8 and the power cord 9.

[0021] like Figure 1 and Figure 2 As shown, a plurality of heat dissipation holes are evenly opened at one end of the front cover 5 away from the pump housing 1 , through which the heat generated by the power mechanism inside the pump housing 1 during operation can be discharged.

[0022] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0023] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A brushless pump with adjustable flow and head, comprising a pump housing (1), characterized in that: A power mechanism is provided inside the pump housing (1), a vane cabin cover (2) is fixedly installed at one end of the pump housing (1), a water inlet (11) is fixedly installed at an opening at one end of the pump housing (1) where the vane cabin cover (2) is installed, and a water outlet (12) communicating with the water inlet (11) is fixedly installed on the outer wall of the pump housing (1), a regulating valve assembly is provided inside the vane cabin cover (2), the regulating valve assembly comprises a regulating valve body (3) and a regulating valve pressing block (4), both the regulating valve body (3) and the regulating valve pressing block (4) are provided with a through port, and the through ports on the regulating valve body (3) and the regulating valve pressing block (4) are aligned with the water inlet (11), the regulating valve body (3) can block the water inlet (11) when it moves to the left, the outer portion of the vane cabin cover (2) is engaged with a front cover (5), and the front cover (5) covers the outer portion of the regulating valve assembly.

2. A brushless pump with adjustable flow and head according to claim 1, characterized in that: When the regulating valve body (3) is located on the right side of the vane hatch cover (2), the water inlet (11) is at the maximum gear position; when the regulating valve body (3) is located in the middle of the vane hatch cover (2), the water inlet (11) is at the middle gear position; and when the regulating valve body (3) is located on the left side of the vane hatch cover (2), the water inlet (11) is at the minimum gear position.

3. The brushless pump with adjustable flow and head according to claim 1, characterized in that: An opening is provided on one side of the front cover (5), and one end of the regulating valve body (3) extends from the opening on the side wall of the front cover (5) to the outside.

4. The brushless pump with adjustable flow and head according to claim 1, characterized in that: The power mechanism comprises a rotor assembly (6), a stator assembly (7), a PCBA drive board (8) and a power line (9); the stator assembly (7) is fixedly mounted in the pump housing (1); the rotor assembly (6) is rotatably mounted between the stator assembly (7); the PCBA drive board (8) is fixedly mounted in the pump housing (1) and located above the stator assembly (7); and the power line (9) is linearly connected to the PCBA drive board (8).

5. The brushless pump with adjustable flow and head according to claim 4, characterized in that: An impeller (10) is fixedly mounted on the output end of the rotor assembly (6), and the impeller (10) is located at the opening of the water inlet (11).

6. The brushless pump with adjustable flow and head according to claim 1, characterized in that: A plurality of heat dissipation holes are evenly formed on one end of the front cover (5) away from the pump housing (1).

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