Auxiliary device for extending range of water pump

Abstract

The utility model relates to a water pump range extending auxiliary device, which belongs to the technical field of water pump range extending tools, and comprises a guide cylinder connected in series in a water conveying pipeline, an impeller assembly used for stirring liquid flow is arranged in the guide cylinder, and the impeller assembly is connected with the guide cylinder through a support frame assembly; the impeller assembly and the support frame assembly are arranged in the guide cylinder, so that the cross sectional area of a liquid channel in the guide cylinder is reduced, the flow speed of liquid is increased, and the purpose of increasing the suction height of the water pump is achieved.

Description

Technical Field

[0001] The utility model relates to a water pump range-increasing auxiliary device, belonging to the technical field of water pump range-increasing tools. Background Art

[0002] At present, water pumps have been widely used in production and life. However, in actual use, people have found the following problems: Usually, people use water within the suction range of the water pump. However, when people temporarily have a higher demand for the suction range of the water pump, since the suction range of the same water pump is a fixed parameter, it cannot meet the higher suction range requirements. At this time, the only way is to replace the water pump with a higher suction range. If the water pump needs to be replaced, it will take a lot of time and energy, and for people, it is more economically expensive to buy a new large suction range water pump for temporary use. Therefore, there is a need for a device to assist the water pump in increasing the suction range. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a water pump range-increasing auxiliary device to increase the water pump suction range and meet people's higher demands for the water pump suction range.

[0004] The utility model discloses a water pump range-increasing auxiliary device, comprising: a guide tube connected in series to a water delivery pipeline, an impeller assembly for stirring liquid flow is arranged inside the guide tube, and the impeller assembly is connected to the guide tube through a support frame assembly.

[0005] Furthermore, the support frame assembly includes: a support frame connected to the nozzle of the guide tube, and a guide cap is provided on a side of the support frame away from the guide tube;

[0006] The outer contour of the guide cap is a streamlined cone.

[0007] Furthermore, the support frame includes: a center seat, a plurality of support rods are evenly arranged on the side of the center seat, and the support rods are embedded in the end surface of the guide tube mouth;

[0008] A sealing cylinder is arranged on the center seat, and a flow guide cap is arranged on the sealing cylinder cover.

[0009] Further, the impeller assembly includes: an impeller, a shaft end of the impeller being connected to a bearing;

[0010] The bearing is connected to the center seat, and the guide cap shields and protects the bearing.

[0011] Furthermore, a sealing groove is provided on the end surface of the tube mouth of the guide tube, and a sealing ring is embedded in the sealing groove.

[0012] Furthermore, the sealing ring is made of elastic material, and the end surface of the tube mouth of the guide tube and the end surface of the water delivery pipeline form an extrusion on the sealing ring.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model reduces the cross-sectional area of ​​the liquid channel in the guide cylinder by arranging the impeller assembly and the support frame assembly in the guide cylinder, thereby increasing the flow rate of the liquid and further achieving the purpose of increasing the suction distance of the water pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a cross-sectional structural schematic diagram of a water pump range-extending auxiliary device of the utility model;

[0016] Figure 2 This is a schematic diagram of the split structure of a water pump range-extending auxiliary device of the utility model;

[0017] Figure 3 This is a schematic diagram of the support frame structure of a water pump range-extending auxiliary device of the utility model;

[0018] Figure 4 The utility model is a schematic diagram of the installation structure of a water pump range-extending auxiliary device.

[0019] In the figure:

[0020] 1. guide tube; 101. sealing ring; 102. sealing groove;

[0021] 2. Impeller assembly; 201. impeller; 202. bearing;

[0022] 3. Support frame assembly; 301. Support frame; 3011. Support rod; 3012. Center seat; 3013. Sealing cylinder; 302. Guide cap. DETAILED DESCRIPTION

[0023] like Figure 1-Figure 4 As shown, this embodiment is implemented through the following technical solution: the guide tube 1 is connected in series to the water supply pipeline, an impeller assembly 2 for stirring the liquid flow is provided inside the guide tube 1, and the impeller assembly 2 is connected to the guide tube 1 through a support frame assembly 3.

[0024] Specifically, the support frame assembly 3 includes: a support frame 301 connected to the tube mouth of the guide tube 1, and a guide cap 302 is provided on the side of the support frame 301 away from the guide tube 1;

[0025] The outer contour of the guide cap 302 is a streamline cone to reduce the resistance to water flow.

[0026] Specifically, the support frame 301 includes: a central seat 3012, and a plurality of support rods 3011 are evenly arranged on the side of the central seat 3012, and the support rods 3011 are embedded in the end surface of the tube mouth of the guide tube 1; in this embodiment, the number of support rods 3011 is 4, and the support rods 3011 of the support frames 301 at both ends of the guide tube 1 are staggered. Figure 1 As shown, the outer surface of the support rod 3011 is a smooth curved surface, thereby reducing the resistance to the liquid.

[0027] A sealing cylinder 3013 is arranged on the center seat 3012 , and a guide cap 302 is arranged on the sealing cylinder 3013 .

[0028] Specifically, the impeller assembly 2 includes: an impeller 201, and a bearing 202 is connected to the shaft end of the impeller 201; in this embodiment, the bearing 202 is a ceramic bearing.

[0029] The bearing 202 is connected to the center seat 3012 , and the guide cap 302 shields and protects the bearing 202 .

[0030] Specifically, a sealing groove 102 is provided on the end surface of the guide tube 1 , and a sealing ring 101 is embedded in the sealing groove 102 .

[0031] Specifically, the sealing ring 101 is made of elastic material, and the end surface of the tube mouth of the guide tube 1 and the end surface of the water delivery pipeline form an extrusion on the sealing ring 101.

[0032] The specific use principle of the utility model is as follows:

[0033] The guide tube 1 is connected in series to the water suction end of the water pump pipeline by a flange. The water flows into the guide tube 1 through the support frame assembly 3 to flush and drive the impeller 201 to rotate. The impeller 201 guides the water flow. The arrangement of the impeller assembly 2 and the support frame assembly 3 reduces the cross-sectional area of ​​the water flow through the guide tube 1. Further, according to the flow formula: Q=SV, wherein Q is the flow rate, S is the fluid cross-sectional area, and V is the fluid velocity; the water pump has a fixed flow rate, so Q is a constant. Therefore, it can be seen that after the cross-sectional area inside the guide tube 1 is reduced, the water flow velocity flowing through the guide tube 1 increases. According to the Bernoulli principle, it can be seen that the static pressure of the water flow decreases after it flows out of the guide tube 1. Under normal conditions, the pump body has a stronger adsorption capacity for low-pressure liquid under the action of atmospheric pressure, so the pump body has a higher suction head when absorbing low-pressure liquid.

[0034] Of course, the above contents are only preferred embodiments of the present invention and cannot be considered to limit the scope of the embodiments of the present invention. The present invention is not limited to the above examples, and any equivalent changes and improvements made by ordinary technicians in the technical field within the essential scope of the present invention shall fall within the scope of the patent coverage of the present invention.

Claims

1. A water pump range extender auxiliary device, characterized in that: include: A flow guide tube (1) is connected in series to a water delivery pipeline, an impeller assembly (2) for stirring a liquid flow is arranged inside the flow guide tube (1), and the impeller assembly (2) is connected to the flow guide tube (1) via a support frame assembly (3).

2. A water pump range extender auxiliary device according to claim 1, characterized in that: The support frame assembly (3) comprises: a support frame (301) connected to the tube mouth of the guide tube (1), and a guide cap (302) is provided on a side of the support frame (301) away from the guide tube (1); The outer contour of the guide cap (302) is in the shape of a streamline cone.

3. A water pump range extender auxiliary device according to claim 2, characterized in that: The support frame (301) comprises: a central seat (3012), a plurality of support rods (3011) are evenly arranged on the side of the central seat (3012), and the support rods (3011) are embedded in the end surface of the tube mouth of the guide tube (1); A sealing cylinder (3013) is arranged on the top of the central seat (3012), and a flow guide cap (302) is arranged on the cover of the sealing cylinder (3013).

4. A water pump range extender auxiliary device according to claim 3, characterized in that: The impeller assembly (2) comprises: an impeller (201), wherein the shaft end of the impeller (201) is connected to a bearing (202); The bearing (202) is connected to the center seat (3012), and the guide cap (302) shields and protects the bearing (202).

5. A water pump range extender auxiliary device according to any one of claims 1 to 4, characterized in that: A sealing groove (102) is provided on the end surface of the tube mouth of the guide tube (1), and a sealing ring (101) is embedded in the sealing groove (102).

6. A water pump range extender auxiliary device according to claim 5, characterized in that: The sealing ring (101) is made of elastic material, and the end surface of the tube mouth of the guide tube (1) and the end surface of the water delivery pipeline form an extrusion on the sealing ring (101).

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