Self-suction peripheral pump capable of reducing hydraulic loss
By setting up a slow flow mechanism in the outlet pipe of the vortex pump, the impact strength of the water flow is slowed down and the water flow is ensured, the problem of loosening and leaking at the outlet pipes of the vortex pump is solved, the stability of the pump and the water volume of the pump are improved, and the hydraulic loss is reduced.
Patent Information
- Application Number
- CN202421396905.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-18
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-06-18
AI Technical Summary
The existing vortex pumps are prone to loosening at the connection between the outlet pipe and the outlet pipe, resulting in large water leakage and hydraulic loss, affecting the pump water volume.
The slow flow mechanism is arranged in the outlet pipe of the pump body, including a slow flow cylinder, a guide impeller and a connecting shaft. These structures combine to slow down the impact strength of the water flow and ensure the smooth flow of the water flow direction.
It effectively reduces the impact force of the water flow, improves the stability and service life of the vortex pump, reduces hydraulic loss, ensures that water leakage is not easy at the connection of the outlet pipe, and increases the pump water volume.
Smart Images
Figure CN222633442U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of pumps and relates to a vortex pump, in particular to a self-priming vortex pump with reduced hydraulic loss. Background Art
[0002] A vortex pump refers to a pump in which the impeller is an integral wheel disk with many small blades on the outer edge, and the liquid repeatedly performs vortex motion in the blades and the flow channel of the pump body. Existing vortex pumps generally have internal threads on the inner wall of the water outlet pipe joint, and external threads on the outer wall of the water outlet pipe. The water outlet pipe is fixedly connected to the water outlet pipe joint of the vortex pump through the connection of the internal threads and the external threads.
[0003] In the above structure, due to the large centrifugal force inside the vortex pump and the large water outlet pressure, the connection between the outlet pipe and the outlet pipe joint is easy to loosen, water leakage is easy to occur at the connection between the outlet pipe and the outlet pipe joint, and the hydraulic loss is large, affecting the water pumping volume of the vortex pump. Summary of the invention
[0004] The utility model aims to solve the above problems existing in the prior art by providing a self-priming vortex pump with reduced hydraulic loss.
[0005] The purpose of the utility model can be achieved through the following technical solutions: A self-priming vortex pump with reduced hydraulic loss, comprising a pump body with a water inlet pipe and a water outlet pipe, characterized in that a slow flow mechanism for slowing down the impact strength of water flow is arranged in the water outlet pipe of the pump body, the slow flow mechanism comprises a slow flow cylinder with a slow flow cavity, a guide impeller located in the slow flow cylinder and used for slow flow guidance, and a connecting shaft movably installed for the guide impeller;
[0006] The guide impeller and the connecting shaft are movably connected via a bearing member;
[0007] The two end surfaces of the slow flow tube are provided with a plurality of water holes for water flow to flow;
[0008] The connecting shaft is located at the center of the slow flow cavity and runs through the slow flow cavity;
[0009] The inner wall of the water outlet pipe of the pump body is provided with an annular groove for embedding and installing the slow flow tube;
[0010] The guide impeller comprises a plurality of blades for slow flow guidance and a connecting column for facilitating the installation of the plurality of blades, and a shaft hole is provided through the center of the connecting column;
[0011] The connecting column is movably connected to the connecting shaft through the shaft hole and the bearing member structure.
[0012] In the above-mentioned self-priming vortex pump with reduced hydraulic loss, an arc folded edge is provided between two connected blades for improving flow diversion efficiency, and a plurality of blades are arranged and distributed in a circumferential direction at intervals along the outer peripheral wall of the connecting column.
[0013] In the above-mentioned self-priming vortex pump with reduced hydraulic loss, the guide impeller rotates through the bearing on the connecting shaft and the impact strength of the water flow, and a plurality of the blades, arc folded edges and connecting columns are arranged as an integrally formed structure.
[0014] In the above-mentioned self-priming vortex pump with reduced hydraulic loss, the arc folded edge, the connecting column and the blade structure cooperate to form a through hole, and the through hole can be used for guiding the flow of water.
[0015] Compared with the prior art, the self-priming vortex pump with reduced hydraulic loss has a simple structural design, and a slow-flow mechanism for reducing the impact intensity of the water flow is added to the inner wall of the water outlet pipe of the pump body to reduce the impact intensity of the connection. At the same time, the slow-flow cylinder, the guide impeller, the connecting shaft and the bearing structure cooperate to effectively achieve the slow-flow unloading of the water flow impact force, and ensure that the water flow is guided and flows out smoothly, which greatly improves the stability and service life of the vortex pump. When the water outlet pipe is connected to the water pipe, the connection between the two is not easy to leak, which increases the overall water pumping volume of the vortex pump and reduces hydraulic loss. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.
[0017] Figure 2 It is a partial half-section three-dimensional structural schematic diagram of the water outlet pipe in the utility model.
[0018] Figure 3 It is a semi-sectioned three-dimensional structural schematic diagram of the slow-flow mechanism in the utility model.
[0019] In the figure, 1, pump body; 2, water inlet pipe; 3, water outlet pipe; 4, slow flow tube; 5, guide impeller; 6, connecting shaft; 7, bearing; 8, water hole; 9, slow flow cavity; 10, annular groove; 11, blade; 12, connecting column; 13, arc folded edge. DETAILED DESCRIPTION
[0020] 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.
[0021] like Figure 1 , Figure 2 , Figure 3As shown, the self-priming vortex pump with reduced hydraulic loss includes a pump body 1 with a water inlet pipe 2 and a water outlet pipe 3. A slow flow mechanism for reducing the impact strength of water flow is arranged in the water outlet pipe 3 of the pump body 1. The slow flow mechanism includes a slow flow cylinder 4 with a slow flow cavity 9, a guide impeller 5 located in the slow flow cylinder 4 and used for slow flow guidance, and a connecting shaft 6 movably installed on the guide impeller 5. The guide impeller 5 and the connecting shaft 6 are movably connected through a bearing member 7. A plurality of water holes 8 for water flow are provided on both end surfaces of the slow flow cylinder 4. The connecting shaft 6 is located in the center of the slow flow cavity 9 and passes through the slow flow cavity 9. An annular groove 10 for the slow flow cylinder 4 to be embedded and installed is provided on the inner peripheral wall of the water outlet pipe 3 of the pump body 1. The guide impeller 5 includes A plurality of blades 11 for slow flow guidance and a connecting column 12 for facilitating the installation of the plurality of blades 11, the center portion of the connecting column 12 is provided with an axial hole, the connecting column 12 is movably connected to the connecting shaft 6 through the axial hole and the bearing member 7 structure, an arc folded edge 13 for improving the flow guidance efficiency is provided between two connected blades 11, a plurality of blades 11 are arranged and distributed in a circumferential direction along the outer peripheral wall of the connecting column 12, the guide impeller 5 realizes rotation through the bearing member 7 on the connecting shaft 6 and the impact strength of the water flow, a plurality of blades 11, the arc folded edge 13 and the connecting column 12 are provided as an integrally formed structure, the arc folded edge 13, the connecting column 12 and the blade 11 structure cooperate to form a through hole, and the through hole can be used for water flow guidance and circulation.
[0022] The above structure is simple in design. A slow-flow mechanism that can be used to slow down the impact intensity of water flow is added to the inner wall of the water outlet pipe 3 of the pump body 1 to alleviate the impact intensity of the connection. At the same time, the slow-flow cylinder 4, the guide impeller 5, the connecting shaft 6 and the bearing 7 are coordinated to effectively achieve slow-flow unloading of the impact force of the water flow, and ensure that the water flow is guided and flows out smoothly, which greatly improves the stability and service life of the vortex pump. When the water outlet pipe 3 is connected to the water pipe, the connection between the two is not easy to leak, which increases the overall water pumping volume of the vortex pump and reduces hydraulic losses.
[0023] 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.
[0024] Although this article uses more terms such as pump body 1, water inlet pipe 2, water outlet pipe 3, slow flow tube 4, guide impeller 5, connecting shaft 6, bearing 7, water hole 8, slow flow cavity 9, annular groove 10, blade 11, connecting column 12, arc folding edge 13, etc., it does not exclude the possibility of using other terms. 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 self-priming vortex pump with reduced hydraulic loss, comprising a pump body (1) having a water inlet pipe (2) and a water outlet pipe (3), characterized in that: A slow-flow mechanism for reducing the impact strength of water flow is arranged in the water outlet pipe (3) of the pump body (1), the slow-flow mechanism comprising a slow-flow cylinder (4) having a slow-flow cavity (9), a guide impeller (5) located in the slow-flow cylinder (4) and used for guiding the slow-flow, and a connecting shaft (6) movably mounted on the guide impeller (5); The guide impeller (5) and the connecting shaft (6) are movably connected via a bearing member (7); The two end surfaces of the slow flow cylinder (4) are provided with a plurality of water holes (8) for water flow to flow through; The connecting shaft (6) is located at the center of the slow flow cavity (9) and passes through the slow flow cavity (9); The inner wall of the water outlet pipe (3) of the pump body (1) is provided with an annular groove (10) into which the slow flow tube (4) is embedded and installed; The guide impeller (5) comprises a plurality of blades (11) for guiding slow flow and a connecting column (12) for facilitating the installation of the plurality of blades (11); a shaft hole is provided through the center of the connecting column (12); The connecting column (12) is movably connected to the connecting shaft (6) through the structural cooperation of the shaft hole and the bearing member (7).
2. A self-priming vortex pump with reduced hydraulic loss according to claim 1, characterized in that: An arc folded edge (13) for improving flow guiding efficiency is provided between two connected blades (11), and a plurality of blades (11) are arranged and distributed at intervals in a circumferential direction along the outer peripheral wall of the connecting column (12).
3. A self-priming vortex pump with reduced hydraulic loss according to claim 1, characterized in that: The guide impeller (5) achieves rotational operation through the bearing member (7) on the connecting shaft (6) and the impact strength of the water flow, and the plurality of blades (11), the arc folded edges (13) and the connecting column (12) are arranged as an integrally formed structure.
4. A self-priming vortex pump with reduced hydraulic loss according to claim 2, characterized in that: The arc folded edge (13), the connecting column (12) and the blade (11) structure cooperate to form a through hole, and the through hole can be used to guide the flow of water.