Environment-friendly leakage-free water pump

Abstract

The utility model discloses an environment-friendly leakage-free water pump, which relates to the field of water pumps, and comprises a water pump shell, a water inlet flange and a water pumping structure, the front end of the water pump shell is fixedly connected with the water inlet flange, and the rear end of the water pump shell is fixedly connected with the water pumping structure; the pumping structure is fixed to the middle section of a rotating shaft of the water pumping structure, and the effect of centrifugal pumping is achieved in the water pumping structure; the front water inlet valve is fixed to the front end of the rotating shaft in a threaded mode and plays a role in speed reduction and separation in the water pumping structure; when the water pump is used, the water pumping structure in the water pump can decelerate sucked water flow in advance to ensure the stability of the internal water flow, and then the internal pumping structure is utilized to accelerate the water flow in a centrifugal rotation manner, so that the impact caused by non-uniform pressure of the external water flow can be reduced, and the overall bearing performance of the water pump is improved; and the situation of water seepage and water leakage from gaps caused by unstable water pressure is reduced.

Description

Technical Field

[0001] The utility model relates to the field of water pumps, in particular to an environmentally friendly non-leakage water pump. Background Art

[0002] A water pump is a machine that transports liquids or increases the pressure of 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, etc. It can also transport liquids, gas mixtures and liquids containing suspended solids.

[0003] When the inside of the water pump is impacted by water flow, especially high-speed or particulate-containing water flow, the water pump impeller may be damaged, thereby affecting the overall service life of the water pump. When the impeller is damaged, the sealing structure inside the water pump may be destroyed, causing water seepage and leakage from the gaps. This may be caused by an increase in the gap between the impeller and the pump casing, aging or damage of the seal, etc. Therefore, there is still room for improvement in the structure. Utility Model Content

[0004] The purpose of the utility model is to provide an environmentally friendly non-leakage water pump to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solutions: an environmentally friendly non-leakage water pump, comprising a water pump housing, a water inlet flange and a water pumping structure, wherein the front end of the water pump housing is fixedly connected to the water inlet flange, and the rear end of the water pump housing is fixedly connected to the water pumping structure;

[0006] The pump suction structure is fixed to the middle section of the rotating shaft of the water pumping structure and plays a role of centrifugal pump suction in the water pumping structure;

[0007] The front water inlet valve is threadedly fixed on the front end of the rotating shaft and plays the role of deceleration and separation in the water pump structure.

[0008] Preferably, the water pump housing comprises a water pump casing and a pump chamber, the pump chamber is fixed inside the water pump casing, and four groups of pump chambers are arranged evenly inside the water pump casing.

[0009] Preferably, the water pumping structure includes a pump suction structure, a rotating shaft, a bearing, a fixed base, a rotating shaft support seat and a water outlet flange. The fixed base is fixed to the rear side of the water pump housing, the rear side of the fixed base is fixedly connected to the rotating shaft support seat, the interior of the rotating shaft support seat is rotatably connected to the rotating shaft through a bearing, the outside of the rotating shaft is fixedly connected to the pump suction structure, the top of the rotating shaft support seat is fixedly connected to the water outlet flange, and the fixed base, the rotating shaft support seat and the water outlet flange are interconnected.

[0010] Preferably, the pump suction structure includes a front water inlet valve and a water pump impeller. The front water inlet valve is threadedly fixed to the front end of the rotating shaft, and the water pump impeller is provided in four groups and is evenly arranged outside the rotating shaft.

[0011] Preferably, the four groups of water pump impellers of the pump suction structure are respectively located in the pump chamber inside the water pump housing.

[0012] Preferably, the front water inlet valve includes a metal rim, a water outlet hole, a rotating blade and a threaded groove. The outer ring of the metal rim is provided with a penetrating water outlet hole. The inside of the metal rim is hollow. The inside of the metal rim is rotatably connected with a rotating blade. A threaded groove is provided at the front end of the rotating blade. The front water inlet valve is threadedly connected to the rotating shaft via the threaded groove.

[0013] Preferably, the water pump impeller comprises metal sheets and wedge-shaped protrusions, the metal sheets are provided in a plurality of groups and are closely arranged, and a wedge-shaped protrusion is fixedly connected to the surface of each group of metal sheets.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model proposes an environment-friendly, leak-free water pump, comprising a water pump housing, a water inlet flange and a water pumping structure, wherein the front end of the water pump housing is fixedly connected to the water inlet flange, and the rear end of the water pump housing is fixedly connected to the water pumping structure; a pump suction structure, which is fixed to the middle section of the rotating shaft of the water pumping structure and plays a role of centrifugal pump suction in the water pumping structure; a front water inlet valve, which is threadedly fixed to the front end of the rotating shaft and plays a role of deceleration and separation in the water pumping structure; when in use, the water pumping structure inside the water pump can pre-decelerate the sucked water flow to ensure the stability of the internal water flow, and then use the internal pump suction structure to accelerate the centrifugal rotation of the water flow, which can reduce the impact caused by uneven external water flow pressure, improve the overall load-bearing capacity of the water pump, and reduce water seepage and leakage from gaps caused by unstable water pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings:

[0017] Figure 1 This is a schematic diagram of the utility model environmentally friendly non-leakage water pump Figure 1 ;

[0018] Figure 2 This is a cross-sectional view of the utility model environmentally friendly non-leakage water pump;

[0019] Figure 3 This is a schematic diagram of the utility model environmentally friendly non-leakage water pump Figure 2 ;

[0020] Figure 4 It is a schematic diagram of the water pump impeller of the utility model environmentally friendly non-leakage water pump;

[0021] Figure 5 It is a schematic diagram of the front water inlet valve of the environmentally friendly leakage-free water pump of the utility model.

[0022] In the figure: 1. water pump housing; 2. water inlet flange; 3. water pumping structure; 4. water pump casing; 5. pump chamber; 6. pump suction structure; 7. rotating shaft; 8. bearing; 9. fixed base; 10. rotating shaft support seat; 11. water outlet flange; 12. front water inlet valve; 13. water pump impeller; 14. metal sheet; 15. wedge-shaped protrusion; 16. metal wheel rim; 17. water outlet hole; 18. rotating blades; 19. threaded groove. DETAILED DESCRIPTION

[0023] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in combination with the accompanying drawings by way of examples.

[0024] It should be noted that many specific details are set forth in the following description to facilitate a full understanding of the present invention. However, the present invention can also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0025] In addition, in the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0026] In the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. However, if it is indicated as a direct connection, it means that the two connected bodies are not connected through an intermediate structure, but are connected to form a whole only through a connecting structure. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0027] In the present utility model, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0028] Embodiment 1

[0029] See also Figures 1 to 5 The utility model provides a technical solution: an environmentally friendly non-leakage water pump, comprising a water pump housing 1, a water inlet flange 2 and a water pumping structure 3, wherein the front end of the water pump housing 1 is fixedly connected to the water inlet flange 2, and the rear end of the water pump housing 1 is fixedly connected to the water pumping structure 3;

[0030] The pump suction structure 6 is fixed to the middle section of the rotating shaft 7 of the water pumping structure 3 and plays a role of centrifugal pump suction in the water pumping structure 3;

[0031] The front water inlet valve 12 is threadedly fixed to the front end of the rotating shaft 7 and plays a role of deceleration and separation in the water pump structure 3;

[0032] When in use, the water pumping structure 3 inside the water pump can pre-decelerate the inhaled water flow to ensure the stability of the internal water flow, and then use the internal pump suction structure 6 to accelerate the centrifugal rotation of the water flow, which can reduce the impact caused by uneven external water flow pressure, improve the overall load-bearing capacity of the water pump, and reduce water seepage and leakage from gaps caused by unstable water pressure.

[0033] Embodiment 2

[0034] On the basis of the first embodiment, the water pump housing 1 includes a water pump casing 4 and a pump chamber 5. The pump chamber 5 is fixed inside the water pump casing 4. The pump chamber 5 is provided with four groups and is evenly arranged inside the water pump casing 4.

[0035] The water pump structure 3 includes a pump suction structure 6, a rotating shaft 7, a bearing 8, a fixed base 9, a rotating shaft support seat 10 and a water outlet flange 11. The fixed base 9 is fixed to the rear side of the water pump housing 4, and the rear side of the fixed base 9 is fixedly connected to the rotating shaft support seat 10. The interior of the rotating shaft support seat 10 is rotatably connected to the rotating shaft 7 through the bearing 8. The outside of the rotating shaft 7 is fixedly connected to the pump suction structure 6, and the top of the rotating shaft support seat 10 is fixedly connected to the water outlet flange 11. The fixed base 9, the rotating shaft support seat 10 and the water outlet flange 11 are interconnected;

[0036] The pumping structure 6 includes a front water inlet valve 12 and a water pump impeller 13. The front water inlet valve 12 is threadedly fixed to the front end of the rotating shaft 7. The water pump impeller 13 is provided in four groups and is evenly arranged outside the rotating shaft 7.

[0037] The four groups of water pump impellers 13 of the pump suction structure 6 are respectively located in the pump chamber 5 inside the water pump housing 1;

[0038] When in use, the external driving motor drives the rotating shaft 7 to rotate, and the rotating shaft 7 drives the water pump impeller 13 of the pump suction structure 6 to rotate in the pump chamber 5. The front water inlet valve 12 slows down and diverts the water entering through the water inlet flange 2. The decelerated water enters the pump chamber 5 and is gradually accelerated under the continuous rotation of the water pump impeller 13. The accelerated water is sprayed out through the water outlet flange 11 at the top.

[0039] Embodiment 3

[0040] On the basis of the first embodiment, the front water inlet valve 12 includes a metal wheel rim 16, a water outlet hole 17, a rotating blade 18 and a threaded groove 19. The outer ring of the metal wheel rim 16 is provided with a penetrating water outlet hole 17. The inside of the metal wheel rim 16 is hollow. The inside of the metal wheel rim 16 is rotatably connected with the rotating blade 18. The front end of the rotating blade 18 is provided with a threaded groove 19. The front water inlet valve 12 is threadedly connected to the rotating shaft 7 by the threaded groove 19.

[0041] The water pump impeller 13 includes a metal sheet 14 and a wedge-shaped protrusion 15. The metal sheets 14 are provided in a plurality of groups and are closely arranged. A wedge-shaped protrusion 15 is fixedly connected to the surface of each group of metal sheets 14.

[0042] After the water enters through the water inlet flange 2, the rotating blades 18 of the front water inlet valve 12 rotate under the drive of the rotating shaft 7, stirring and slowing down the water, and the decelerated water flows out along the water outlet 17. The decelerated water flow has no impact force and will not cause impact on the water pump impeller 13, thereby extending the overall service life and reducing water seepage and leakage from the gaps caused by water flow impact.

[0043] A person skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention, including the claims, is limited to these examples. Under the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0044] The utility model is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. An environmentally friendly, leak-free water pump, comprising a water pump housing (1), a water inlet flange (2) and a water pumping structure (3), characterized in that: The front end of the water pump housing (1) is fixedly connected to a water inlet flange (2), and the rear end of the water pump housing (1) is fixedly connected to a water pump structure (3); A pump suction structure (6), the pump suction structure (6) is fixed to the middle section of the rotating shaft (7) of the water pumping structure (3), and plays a role of centrifugal pump suction in the water pumping structure (3); The front water inlet valve (12) is threadedly fixed to the front end of the rotating shaft (7) and plays a role of deceleration and separation in the water pump structure (3).

2. An environmentally friendly, leak-free water pump according to claim 1, characterized in that: The water pump housing (1) comprises a water pump casing (4) and a pump chamber (5). The pump chamber (5) is fixed inside the water pump casing (4). The pump chamber (5) is provided with four groups and is evenly arranged inside the water pump casing (4).

3. The environmentally friendly, leak-free water pump according to claim 1, characterized in that: The water pump structure (3) comprises a pump suction structure (6), a rotating shaft (7), a bearing (8), a fixed base (9), a rotating shaft support seat (10) and a water outlet flange (11); the fixed base (9) is fixed to the rear side of the water pump housing (4); the rear side of the fixed base (9) is fixedly connected to the rotating shaft support seat (10); the interior of the rotating shaft support seat (10) is rotatably connected to the rotating shaft (7) via the bearing (8); the exterior of the rotating shaft (7) is fixedly connected to the pump suction structure (6); the top end of the rotating shaft support seat (10) is fixedly connected to the water outlet flange (11); the fixed base (9), the rotating shaft support seat (10) and the water outlet flange (11) are interconnected.

4. The environmentally friendly, leak-free water pump according to claim 3, characterized in that: The pump suction structure (6) comprises a front water inlet valve (12) and a water pump impeller (13); the front water inlet valve (12) is threadedly fixed to the front end of the rotating shaft (7); and the water pump impeller (13) is provided in four groups and is evenly arranged outside the rotating shaft (7).

5. An environmentally friendly, leak-free water pump according to claim 4, characterized in that: The four groups of water pump impellers (13) of the pump suction structure (6) are respectively located in the pump chamber (5) inside the water pump housing (1).

6. The environmentally friendly, leak-free water pump according to claim 4, characterized in that: The front water inlet valve (12) comprises a metal wheel rim (16), a water outlet hole (17), a rotating blade (18) and a thread groove (19); the outer ring of the metal wheel rim (16) is provided with a penetrating water outlet hole (17); the interior of the metal wheel rim (16) is hollow; the interior of the metal wheel rim (16) is rotatably connected with the rotating blade (18); the front end of the rotating blade (18) is provided with a thread groove (19); and the front water inlet valve (12) is threadedly connected to the rotating shaft (7) by means of the thread groove (19).

7. The environmentally friendly, leak-free water pump according to claim 4, characterized in that: The water pump impeller (13) comprises a metal sheet (14) and a wedge-shaped protrusion (15). The metal sheets (14) are provided in a plurality of groups and are closely arranged. The surface of each group of metal sheets (14) is fixedly connected with a wedge-shaped protrusion (15).

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