Combined pump cover

Abstract

The utility model provides a combined pump cover, and belongs to the technical field of water pumps. The problem that an existing filtering structure is difficult to clean is solved. The combined pump cover comprises a pump cover main body with a water inlet and a water outlet, connecting flange rings are arranged at the water inlet and the water outlet of the pump cover main body, an upper assembly block connected with the connecting flange is arranged on the connecting flange at the water inlet in the pump cover main body, and the lower end of the upper assembly block extends downwards in the axial direction and extends to the pump cover main body. The upper end face of the upper assembly block is provided with a communicating hole which is axially recessed inwards and is communicated with the water inlet, the upper assembly block is provided with a filtering unit which is connected with the communicating hole and is used for filtering impurities at the communicating hole, and the upper assembly block is provided with a filtering unit which is connected with the communicating hole and is used for sealing the communicating hole at the opening of the communicating hole; and the sealing unit is propped against the filtering unit. The device has the advantage of being convenient to clean.

Description

Technical Field

[0001] The utility model belongs to the technical field of water pumps and relates to a combined pump cover. Background Art

[0002] A water pump is a machine that transports liquids or pressurizes liquids. It transfers the mechanical energy of the prime mover or other external energy to the liquid to increase the energy of the liquid. It is mainly used to transport liquids including water, oil, acid and alkali liquids, emulsions, suspensions and liquid metals. In order not to damage the internal components of the water pump, a structure is generally set at the water inlet to filter impurities. However, in actual use, since the water inlet needs to be connected to an external pipeline, the equipment needs to be shut down and the pipeline needs to be disassembled when cleaning the filter. The filter structure needs to be taken out for cleaning, which makes cleaning inconvenient and takes a lot of time, which does not meet the use requirements. Summary of the invention

[0003] The utility model aims to provide a pump cover which is convenient for assembly, disassembly and cleaning in view of the above problems existing in the prior art.

[0004] The purpose of the utility model can be achieved through the following technical solutions: a combined pump cover, comprising a pump cover body with a water inlet and a water outlet, and the pump cover body is provided with connecting flange rings at the water inlet and the water outlet, characterized in that an upper assembly block connected to it is provided on the connecting flange located at the water inlet of the pump cover body, the lower end of the upper assembly block extends axially downward, and extends to the pump cover body and is connected thereto, a connecting hole axially recessed inwardly and connected to the water inlet is provided on the upper end surface of the upper assembly block, the upper assembly block is provided with a filtering unit connected to it and used for filtering impurities at the connecting hole, and the upper assembly block is provided with a sealing unit connected to it and used for sealing the connecting hole and in conflict with the filtering unit at the opening of the connecting hole.

[0005] In the above-mentioned combined pump cover, the filter unit is a filter cartridge with a filter cavity, and the pump cover body is provided with two limit blocks connected to the water inlet and symmetrically arranged on the inner wall of the water inlet and slidingly matched with the filter cartridge.

[0006] In the above-mentioned combined pump cover, a lower assembly block connected to the upper assembly block and arranged on the same side as the upper assembly block is arranged on the end face of the connecting flange ring, the lower assembly block is located directly below the upper assembly block, and the upper end of the lower assembly block extends axially upward and extends to the pump cover body and is connected thereto, a through hole axially recessed inward and connected to the water inlet is provided on the lower end face of the lower assembly block, the pump cover body is provided with an elastic unit located in the through hole for facilitating the removal of the filter cartridge, the elastic unit consists of a spring and a resistance block, the resistance block is arranged in the through hole and fits with the filter cartridge, the lower assembly block is provided with a disassembly cover connected thereto at the opening of the through hole, and the two ends of the spring are respectively connected to the resistance block and the disassembly cover.

[0007] In the above-mentioned combined pump cover, the sealing unit is a sealing cover.

[0008] Compared with the prior art, this combined pump cover has the following advantages:

[0009] 1. An upper assembly block connected to the pump cover body is provided on the connecting flange located at the water inlet. The lower end of the upper assembly block extends axially downward and extends to the pump cover body and is connected thereto. A communicating hole which is axially recessed inward and communicated with the water inlet is provided on the upper end surface of the upper assembly block. The upper assembly block is provided with a filter unit connected to the communicating hole and used for filtering impurities. The upper assembly block is provided with a sealing unit connected to the communicating hole and used for sealing the communicating hole and in conflict with the filter unit at the opening of the communicating hole. The above-mentioned structure is convenient for disassembling and cleaning the filter unit. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the cross-sectional structure of the combined pump cover.

[0011] In the figure, 1. Pump cover body; 2. Connecting flange ring; 3. Upper assembly block; 4. Filter cartridge; 5. Lower assembly block; 6. Spring; 7. Resistance block; 8. Disassembly cover; 9. Sealing cover. DETAILED DESCRIPTION

[0012] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0013] like Figure 1As shown, the combined pump cover comprises a pump cover body with a water inlet and a water outlet, and the pump cover body is provided with connecting flange rings at the water inlet and the water outlet, an upper assembly block connected to it is provided on the connecting flange located at the water inlet of the pump cover body, the lower end of the upper assembly block extends axially downward, extends to the pump cover body, and is connected thereto, a connecting hole which is axially recessed inward and connected to the water inlet is provided on the upper end surface of the upper assembly block, a filter unit connected to it and used for filtering impurities is provided at the connecting hole of the upper assembly block, a sealing unit connected to it and used for sealing the connecting hole and in conflict with the filter unit is provided at the opening of the connecting hole, the filter unit is a filter cartridge with a filter cavity, two limit blocks connected to it and symmetrically arranged and slidably matched with the filter cartridge are provided on the inner wall of the water inlet of the pump cover body, two slide grooves are provided on the outer peripheral wall of the filter cartridge for corresponding limit blocks to slide into, and the filter The outer peripheral wall of the cylinder is provided with a plurality of filter holes, and the plurality of filter holes are divided into a front filter hole and a rear filter hole, the front filter hole is larger than the rear filter hole, and a lower assembly block connected to it and arranged on the same side as the upper assembly block is arranged on the end surface of the connecting flange ring, the lower assembly block is located directly below the upper assembly block, and the upper end of the lower assembly block extends axially upward, and extends to the pump cover main body and is connected thereto, a through hole is provided on the lower end surface of the lower assembly block which is axially recessed inwardly and connected to the water inlet, the lower end of the above-mentioned filter cartridge can extend into the through hole, the pump cover main body is located in the through hole and is provided with an elastic unit for facilitating the removal of the filter cartridge, the elastic unit consists of a spring and a resistance block, the resistance block is arranged in the through hole and fits with the filter cartridge, a sliding groove is also provided on the resistance block, the lower assembly block is located at the opening of the through hole and is provided with a disassembly cover connected thereto, the two ends of the spring are respectively connected to the resistance block and the disassembly cover, and the resistance block is caused to resist the filter cartridge through the spring, and the sealing unit is a sealing cover.

[0014] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0015] Although the term ", " and " are used more frequently in this article, the possibility of using other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A combined pump cover, comprising a pump cover body (1) with a water inlet and a water outlet, wherein the pump cover body (1) is provided with connecting flange rings (2) at the water inlet and the water outlet, characterized in that: An upper assembly block (3) connected to the pump cover body (1) is provided on the connection flange located at the water inlet, the lower end of the upper assembly block (3) extends axially downward and extends to the pump cover body (1) and is connected thereto, a connecting hole axially recessed inward and connected to the water inlet is provided on the upper end surface of the upper assembly block (3), a filtering unit connected to the upper assembly block (3) and used for filtering impurities is provided at the connecting hole, and a sealing unit connected to the upper assembly block (3) and used for sealing the connecting hole and in conflict with the filtering unit is provided at the opening of the connecting hole.

2. A combined pump cover according to claim 1, characterized in that: The filter unit is a filter cartridge (4) with a filter cavity, and the pump cover body (1) is provided with two limit blocks on the inner wall of the water inlet hole, which are connected to the water inlet hole, are symmetrically arranged, and are slidably matched with the filter cartridge (4).

3. A combined pump cover according to claim 2, characterized in that: A lower assembly block (5) connected to the connecting flange ring (2) and arranged on the same side as the upper assembly block (3) is arranged on the end surface of the connecting flange ring (2). The lower assembly block (5) is located directly below the upper assembly block (3), and the upper end of the lower assembly block (5) extends axially upward and extends to the pump cover body (1) and is connected thereto. A through hole which is axially recessed inward and connected to the water inlet is opened on the lower end surface of the lower assembly block (5). An elastic unit which is convenient for removing the filter cartridge (4) is arranged in the through hole of the pump cover body (1). The elastic unit consists of a spring (6) and a resistance block (7). The resistance block (7) is arranged in the through hole and fits with the filter cartridge (4). A disassembly cover (8) connected to the lower assembly block (5) is arranged at the opening of the through hole. The two ends of the spring (6) are respectively connected to the resistance block (7) and the disassembly cover (8).

4. A combined pump cover according to claim 1, characterized in that: The sealing unit is a sealing cover (9).

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