CN-224214440-U - Integrated flow guide structure and water pump using same

CN224214440UCN 224214440 UCN224214440 UCN 224214440UCN-224214440-U

Abstract

The utility model relates to an integrated flow guiding structure and a water pump using the same, which solve the problems of complex structure, difficult control of assembly size, axial movement during working and the like in the prior art, and adopts the following technical scheme: including all having the inner cylinder body, outer cylinder body and the water conservancy diversion lid of setting in the inner chamber of inner cylinder body of the central water inlet channel of intercommunication in proper order, inner cylinder body, water conservancy diversion lid and outer cylinder body three structure as an organic whole, the inside wall of the outer end of inner cylinder body is equipped with a plurality of water conservancy diversion walls that are central symmetry vortex setting, and water conservancy diversion lid lock is fixed in on the water conservancy diversion wall, and the outside wall of water conservancy diversion wall and the outside wall of water conservancy diversion lid are the inside wall of water conservancy diversion passageway, and the inside wall of inner cylinder body is the outside wall of water conservancy diversion passageway, and the lateral wall of outer cylinder body is equipped with the water conservancy diversion mouth. The integrated flow guide structure is beneficial to simplifying the structure, facilitating production, processing and assembly, improving the assembly reliability and the tightness, preventing axial movement, ensuring the hydraulic efficiency of the water pump and reducing noise.

Inventors

HUANG SUMING
HE CHAOWEN
ZOU ZHIMIN
JIANG WEI
JIANG JIAHUI
LIU WEI

Assignees

新界泵业(浙江)有限公司

Dates

Publication Date: 20260508
Application Date: 20250306

Claims (10)

1. The utility model provides an integral type water conservancy diversion structure, its characterized in that is including all having inner tube body (1), urceolus body (3) and the setting of central water inlet channel (4) that communicate in proper order are in water conservancy diversion lid (2) in the inner chamber of inner tube body (1), water conservancy diversion lid (2) and urceolus body (3) three are integrated into one piece structure, the inside wall of the outer end of inner tube body (1) is equipped with a plurality of water conservancy diversion wall (5) that are the central symmetry vortex setting, water conservancy diversion lid (2) lock is fixed in on water conservancy diversion wall (5), the lateral wall of water conservancy diversion wall (5) with the lateral wall of water conservancy diversion lid (2) is the inside wall of water conservancy diversion passageway (6), the inside wall of inner tube body (1) is the lateral wall of water conservancy diversion passageway (6), the lateral wall of urceolus body (3) is equipped with water conservancy diversion mouth (7).
2. The integrated flow guiding structure according to claim 1, characterized in that each flow guiding wall (5) is matched with each flow guiding channel (6) in a one-to-one correspondence manner, a water inlet of each flow guiding channel (6) is communicated with an inner cavity of the inner cylinder body (1), and a water outlet of each flow guiding channel (6) is communicated with the flow guiding opening (7).
3. The integrated flow guiding structure according to claim 2, characterized in that one end of the flow guiding wall (5) is integrated with the inner side wall of the inner cylinder body (1), the other end of the flow guiding wall (5) extends in a vortex manner towards the middle part of the inner cylinder body (1), and the outer side wall of the flow guiding cover (2) is fixed on the flow guiding wall (5).
4. The integrated flow guiding structure according to claim 3, characterized in that the inner end wall of the flow guiding wall (5) is provided with a plurality of axially arranged step structures (8), the outer side wall of the flow guiding cover (2) is provided with a plurality of axially arranged mounting notches (9), the step structures (8) on the flow guiding wall (5) are in one-to-one correspondence with the mounting notches (9), and the outer side wall of the flow guiding cover (2) and the outer side wall of each flow guiding wall (5) form an inner side wall of a flat flow guiding channel (6).
5. The integrated flow guiding structure according to claim 4, characterized in that the inner end cavity of the inner cylinder body (1) is an impeller cavity (10), the central water inlet channel (4) on the inner cylinder body (1) is used for being matched with the water inlet of the impeller (15), the water outlet part of the impeller cavity (10) corresponding to the impeller (15) is a water outlet channel on the inner cylinder body (1), and the water outlet channel on the inner cylinder body (1) is communicated with the flow guiding channel (6).
6. The integrated flow guiding structure according to any one of claims 1-5, characterized in that at least one outer wall of the inner cylinder (1) and the outer cylinder (3) is provided with an outer lug (11), the outer lug (11) and the inner cylinder (1) and/or the outer cylinder (3) are integrated, and the outer lug (11) is used for being fixed at a corresponding part of the pump body (14).
7. The integrated flow guiding structure according to any one of claims 1-5, characterized in that a backflow hole (12) is arranged on the side wall of the outer cylinder (3), and the backflow hole (12) is used for being matched with a self-priming backflow channel on the pump body (14).
8. The integrated diversion structure according to any one of claims 1-5, characterized in that the outer cylinder (3) comprises an outer cylinder (20) and a water inlet cylinder (21) arranged in an inner cavity of the outer cylinder (20), the outer end of the water inlet cylinder (21) is turned radially outwards to form an integrated structure with the inner side wall of the outer cylinder (20), the inner end of the water inlet cylinder (21) and the top wall of the diversion cover (2) form an integrated structure, the inner cavity of the water inlet cylinder (21) is a central water inlet channel (4) on the outer cylinder (3), and the inner diameter of the central water inlet channel (4) on the water inlet cylinder (21) is matched with the inner diameter of the central water inlet channel (4) on the diversion cover (2).
9. The utility model provides a water pump, includes motor (13), pump body (14), by motor (13) driven impeller (15), with impeller (15) complex water conservancy diversion structure, impeller (15) with water conservancy diversion structure sets up in the pump cavity of pump body (14), be equipped with on pump body (14) with pump water inlet (16) and pump water outlet channel (17) on pump cavity intercommunication, its characterized in that water conservancy diversion structure is the integrative water conservancy diversion structure of any one of claims 1-8, impeller (15) set up in impeller cavity (10) of inner tube body (1), the water inlet of impeller (15) with center water inlet channel (4) in the water conservancy diversion structure communicate, the delivery port of impeller (15) with the water inlet of water conservancy diversion channel (6), the delivery port of water conservancy diversion channel (6) pass through water conservancy diversion mouth (7) on outer tube body (3) with pump water outlet channel (17) on pump body (14) communicate, center water inlet channel (4) in the water conservancy diversion structure with water inlet (16) on the pump body (14).
10. The water pump according to claim 9, characterized in that a self-priming backflow channel (18) is provided on the pump body (14), said self-priming backflow channel (18) being in communication with the central water inlet channel (4) on the flow guiding structure through a backflow hole (12) on the flow guiding structure.

Description

Integrated flow guide structure and water pump using same Technical Field The utility model relates to the field of water pump accessories and water pumps, in particular to an integrated flow guide structure and a water pump using the same. Background The technical scheme of the utility model is that the multistage centrifugal pump comprises a motor and a pump body, wherein the rear end of the pump body is arranged on a bracket, a backflow cover is arranged at the front end of the pump body, a plurality of guide vanes are arranged on the backflow cover, an impeller is fixedly connected to a rotating shaft of the motor, a pump cover is arranged between the forefront guide vane and the backflow cover, a through hole which is communicated with a water inlet cavity and the impeller is formed in the pump cover, a water inlet which is communicated with the water inlet cavity and extends to the outside of the pump body is formed in the backflow cover, a plastic bracket cover which is sleeved on the rotating shaft and buckled with the pump body is arranged at the front part of the bracket, a pump cavity is formed between the bracket cover and the pump body, a water outlet which is communicated with the pump cavity is formed in the upper part of the pump body, the backflow cover and the guide vanes are arranged in the pump cavity, and a backflow structure which is used for communicating the pump cavity and the water inlet cavity is also arranged on the backflow cover. In the technical scheme, the reflux cover and the guide vane are divided into mutually independent parts, when the reflux cover and the guide vane are assembled, the machining size is larger and smaller because of accumulated tolerance, the problem of poor sealing performance is easy to occur when the machining size is larger, when the machining size is smaller, the guide vane is easy to generate axial movement phenomenon and generate larger abnormal sound when a larger gap exists after the machining size is smaller, and the hydraulic efficacy is easy to influence. Disclosure of Invention The utility model aims to solve the problems in the prior art and provide an integrated flow guiding structure and a water pump using the same, wherein the guide vane, the backflow cover and the like are formed into the flow guiding structure with the integrated structure, so that the problems of unreliable sealing or axial movement and the like caused by accumulated tolerance among a plurality of components are avoided, the structure is simplified, the production, the processing and the assembly are convenient, the assembly efficiency, the assembly reliability and the assembly tightness are improved, the production and the processing cost are reduced, the working hydraulic efficiency of the water pump is ensured, and the working noise of equipment is reduced. The technical aim of the utility model is mainly solved by the following technical scheme: the utility model relates to a technical scheme of a first technical subject, in particular to an integrated flow guiding structure which is characterized by comprising an inner cylinder body, an outer cylinder body and a flow guiding cover, wherein the inner cylinder body and the outer cylinder body are respectively provided with a central water inlet channel which are sequentially communicated, the inner cylinder body, the flow guiding cover and the outer cylinder body are of an integrated structure, a plurality of flow guiding walls which are arranged in a central symmetrical vortex mode are arranged on the inner side wall of the outer end of the inner cylinder body, the flow guiding cover is buckled and fixed on the flow guiding walls, the outer side wall of the flow guiding wall and the outer side wall of the flow guiding cover are the inner side walls of the flow guiding channels, the inner side wall of the inner cylinder body is the outer side wall of the flow guiding channels, and flow guiding ports are arranged on the side wall of the outer cylinder body. According to the technical scheme, the guide vane, the backflow cover and other structures in the prior art are formed into the guide structure of an integrated structure, so that the problems of poor assembly sealing performance or axial movement and the like caused by accumulated tolerance among a plurality of parts can be avoided, the structure is simplified, the production, the processing and the assembly are convenient, the assembly efficiency and the assembly reliability are improved, the assembly sealing reliability is improved, the production and the processing cost are reduced, the working hydraulic efficiency of a water pump is ensured, and the working noise of equipment is reduced. The inner cylinder body, the outer cylinder body and the diversion cover can be produced independently, and then are fixed into an integrated structure through screw connection or welding and other modes. The setting of water conservancy diversion wall is used for forming th