Pump

Abstract

The utility model provides a pump and belongs to the technical field of water pumps. The problem that when an existing water pump without a filtering effect is used, foreign matter can be sucked into the pump is solved. The pump comprises a water pump body, a water pump motor is arranged on the water pump body, a water pump impeller is arranged in the water pump body, a fixing part is arranged at the lower end of the water pump body, a filtering assembly is arranged on the fixing part, the filtering assembly is composed of a fixing frame and a filtering cylinder, and the filtering cylinder is fixedly arranged in the fixing frame through a connecting rib. An inner cavity of the fixing frame is divided into a water inlet cavity and a water outlet cavity, a connecting part is arranged at the upper end of the fixing frame, a fixing rod is arranged on the fixing part in a protruding mode, an open hole matched with the fixing rod is formed in the connecting part, a positioning assembly used for positioning is arranged on the fixing rod, and the positioning assembly comprises a positioning piece and a reset spring. And a mounting groove for mounting the positioning assembly is formed in the fixing rod. The filter has the advantage of good filtering effect.

Description

TECHNICAL FIELD

[0001] The utility model belongs to water pump technical field relates to a pump. BACKGROUND

[0002] Water pump is the mechanical of conveying liquid or making liquid pressure, it transmits the mechanical energy of prime mover or other external energy to liquid, makes liquid energy increase, mainly used to transport liquid including water, oil, acid and alkali liquid, emulsion, suspension emulsion and liquid metal etc., also can transport liquid, gas mixture and the liquid of containing suspended solid.

[0003] The existing water pump mostly does not have filtering effect, because the water pump mostly is used to transport water, and the filtering effect is very important when to different water source, because many water sources are mixed with many foreign matters, including tap water or well water can exist certain foreign matter, and the water pump without filtering effect can suck foreign matter into the pump when using, so it is not favorable to the protection of water pump. SUMMARY

[0004] The utility model discloses a pump with filtering effect in the prior art to solve the above problems.

[0005] The utility model discloses a pump, including water pump main part, water pump main part on be provided with water pump motor, water pump main part in be provided with water pump impeller, and the motor shaft of water pump motor enters water pump main part and is used for driving water pump impeller rotation, its characterized in that, water pump main part lower extreme is provided with fixed part, the fixed part on be provided with the filter assembly for filtering, the filter assembly is composed of fixed frame and filter cylinder, the filter cylinder is fixed through the connecting rib and is arranged in the fixed frame, and the inner chamber of fixed frame is divided into water inlet chamber and water outlet chamber, the upper end of fixed frame is provided with the connecting portion, the fixed part is protruding and is provided with the fixed link, the connecting portion on be provided with the aperture that matches with fixed link, the fixed link on be provided with the positioning assembly for positioning, the positioning assembly includes the positioning piece and return spring, the fixed link on be provided with the installation groove of positioning assembly installation, the one end of positioning piece enters the installation groove and is connected with return spring, the other end of positioning piece is out of the installation groove and is opposite with the lower end surface of connecting portion, makes the filter assembly detachable fixed installation on water pump main part through the effect of positioning assembly.

[0006] In the above-mentioned pump, the water pump main body is provided with a water outlet for water outlet and a water inlet for water inlet, the water pump impeller is composed of an impeller body and a plurality of impeller blades, the impeller body is provided with a water inlet groove for water inlet, and the inner wall of the impeller body is provided with a water passing hole for water passing.

[0007] In the pump, the filter cartridge is provided with filter holes for filtering, and the diameter of the filter cartridge gradually decreases from bottom to top.

[0008] In the pump, the fixed part and the water pump motor are connected with the water pump body through fixing bolts.

[0009] Compared with the prior art, the filter assembly is arranged at the lower end of the water pump body, filters the liquid entering the water pump body, and is detachably arranged at the lower end of the water pump body through the fixing assembly, so that the operator can conveniently disassemble and replace the filter assembly. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 is a structural schematic view of the utility model.

[0011] Figure 2 is a sectional view of the utility model.

[0012] Figure 3 is Figure 2 a partially enlarged schematic view.

[0013] In the figure, 1 is a water pump body, 2 is a water pump motor, 3 is a water pump impeller, 4 is a fixed part, 5 is a fixed frame, 6 is a filter cartridge, 7 is a connecting part, 8 is a fixing rod, 9 is a positioning assembly, 10 is a positioning piece, 11 is a return spring, 12 is an impeller body, 13 is an impeller blade, and 14 is a filter hole. DETAILED DESCRIPTION

[0014] The following is a specific embodiment of the utility model and further describes the technical scheme of the utility model in combination with the drawings, but the utility model is not limited to these embodiments.

[0015] For example, Figure 1 , Figure 2 , Figure 3As shown, the pump comprises a water pump body 1, a water pump motor 2 arranged on the water pump body 1, a water pump impeller 3 arranged in the water pump body 1, and a motor shaft of the water pump motor 2 extending into the water pump body 1 and used for driving the water pump impeller 3 to rotate, a fixing portion 4 arranged at a lower end of the water pump body 1, a filtering assembly arranged on the fixing portion 4 and used for filtering, the filtering assembly being composed of a fixing frame 5 and a filtering cylinder 6, the filtering cylinder 6 being fixedly arranged in the fixing frame 5 through connecting ribs and dividing an inner cavity of the fixing frame 5 into a water inlet cavity and a water outlet cavity, a connecting portion 7 arranged at an upper end of the fixing frame 5, a fixing rod 8 protruding from the fixing portion 4, an opening matching the fixing rod 8 being formed in the connecting portion 7, a positioning assembly 9 arranged on the fixing rod 8 and used for positioning, the positioning assembly 9 comprising a positioning piece 10 and a return spring 11, an installation groove being formed in the fixing rod 8 and used for installing the positioning assembly 9, one end of the positioning piece 10 extending into the installation groove and being connected with the return spring 11, and the other end of the positioning piece 10 extending out of the installation groove and abutting against a lower end surface of the connecting portion 7, so that the filtering assembly can be detachably and fixedly installed on the water pump body 1 through the positioning assembly 9.

[0016] Further, when the filtering assembly needs to be installed, the fixing portion 4 on the water pump body 1 is corresponded to the opening of the connecting portion 7 of the filtering assembly, the positioning piece 10 is extended into the installation groove, and the return spring 11 is in a compressed state, and when the installation is completed, the positioning piece 10 rebounds, the upper end of the positioning piece 10 abuts against the lower end of the connecting portion 7, so that the filtering assembly is fixed on the water pump body 1, and when the filtering assembly needs to be detached, the positioning piece 10 is extended into the installation groove, so that the positioning between the filtering assembly and the fixing portion 4 is released.

[0017] Further, the water pump body 1 is provided with a water outlet for water outlet and a water inlet for water inlet, the water pump impeller 3 is composed of an impeller body 12 and a plurality of impeller blades 13, the impeller body 12 is provided with a water inlet groove for water inlet, and the inner wall of the impeller body 12 is provided with a water passing hole for water passing.

[0018] Further, the filtering cylinder 6 is provided with a filtering hole 14 for filtering, and the diameter of the filtering cylinder 6 gradually decreases from bottom to top.

[0019] Further, the fixing portion 4 and the water pump motor 2 are connected with the water pump body 1 through fixing bolts.

[0020] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, without departing from the spirit of the present application or exceeding the scope defined by the appended claims.

[0021] Although the terms of water pump body 1, water pump motor 3, water pump impeller 3, fixed part 4, fixed frame 5, filter cartridge 6, connecting part 7, fixed rod 8, positioning assembly 9, positioning piece 10, return spring 11, impeller body 12, impeller blade 13, filter hole 14 and the like are used more in the text, the possibility of using other terms is not excluded. Using these terms is only for more convenient description and explanation of the essence of the utility model; it is contrary to the spirit of the utility model to interpret them as any kind of additional limitation.

Claims

1. A pump comprising a pump body (1), wherein a pump motor (2) is disposed on the pump body (1), a pump impeller (3) is disposed inside the pump body (1), and the motor shaft of the pump motor (2) extends into the pump body (1) and is used to drive the pump impeller (3) to rotate, characterized in that, The lower end of the water pump body (1) is provided with a fixed part (4), the fixed part (4) is provided with a filtering assembly for filtering, the filtering assembly is composed of a fixed frame (5) and a filter cylinder (6), the filter cylinder (6) is fixedly arranged in the fixed frame (5) through a connecting rib, and the inner cavity of the fixed frame (5) is divided into a water inlet cavity and a water outlet cavity, the upper end of the fixed frame (5) is provided with a connecting part (7), the fixed part (4) is provided with a fixed rod (8), the connecting part (7) is provided with a hole matched with the fixed rod (8), the fixed rod (8) is provided with a positioning assembly (9) for positioning, the positioning assembly (9) comprises a positioning piece (10) and a return spring (11), the fixed rod (8) is provided with a mounting groove for mounting the positioning assembly (9), one end of the positioning piece (10) is connected with the return spring (11) and extends into the mounting groove, the other end of the positioning piece (10) extends out of the mounting groove and abuts against the lower end surface of the connecting part (7), and the filtering assembly is detachably fixedly mounted on the water pump body (1) through the positioning assembly (9).

2. A pump according to claim 1, wherein The water pump body (1) is provided with a water outlet for water outlet and a water inlet for water inlet, the water pump impeller (3) is composed of an impeller body (12) and a plurality of impeller blades (13), the impeller body (12) is provided with a water inlet groove for water inlet, and the inner wall of the impeller body (12) is provided with a water passing hole for water passing.

3. A pump according to claim 1, wherein The filter cylinder (6) is provided with a filter hole (14) for filtering, and the diameter of the filter cylinder (6) gradually decreases from bottom to top.

4. The pump of claim 1, wherein The fixed part (4) and the water pump motor (2) are connected with the water pump body (1) through fixing bolts.

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