Compact type ultrathin water pump
Technical Field
The invention relates to the technical field of water pumps, in particular to a compact ultrathin water pump.
Background
The demand of the industry for ultra-thin water pumps is increasing, and in order to reduce the axial length of the conventional centrifugal pump, the following flow channel design is generally adopted, and generally, cooling water firstly flows into a circular water inlet horizontally, then turns 90 degrees and flows into an impeller axially, and finally flows out from the impeller laterally. However, with this conventional design, the circular inlet channel is in the upper portion of the pump, resulting in an axial dimension that is limited by the size of the inlet channel and cannot be reduced further.
As shown in fig. 1 and 2, the design of the conventional centrifugal pump is that when the conventional centrifugal pump is used, a water tank is added in an external water path to store cooling water, and the volume of the whole liquid cooling heat dissipation system is large due to the existence of the water tank. Meanwhile, the water tank is connected with the water pump through a pipeline, so that the water tightness is difficult to ensure; as shown in fig. 3, there is also an integrated water pump in the prior art, in which the water tank and the water pump body are designed in series, and although the use is convenient, the axial size of the water pump is further increased due to the series connection.
Therefore, the conventional water pump in the prior art cannot meet the requirements of the liquid cooling heat dissipation system and the ultra-thin water pump on size and compactness.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a compact ultrathin water pump, which obviously reduces the axial size of the water pump, improves the performance of the water pump, and simultaneously improves the compactness of the water pump by integrating a water tank into the design of the water pump.
In order to achieve the purpose, the invention provides a compact ultra-thin water pump, which comprises a water pump body, wherein the water pump body comprises a top cover, a pump shell arranged on the lower part of the top cover and a base assembly arranged on the lower part of the pump shell, an impeller assembly is arranged in the pump shell, a stator assembly is arranged on the base assembly, the impeller assembly is arranged above the stator assembly, one side of the pump shell is provided with a water inlet joint, the other side of the pump shell is provided with a water outlet joint, a first cavity is formed between the top cover and the pump shell, the first cavity comprises an annular water storage chamber arranged on the side surface of the pump shell and an annular suction chamber arranged on the pump shell and communicated with the annular water storage chamber, the water inlet joint is communicated with the annular water storage chamber, a second cavity is formed between the pump shell and the base assembly, an annular water pressing chamber is arranged on the outer side of the second, the annular suction chamber is communicated with the annular water pumping chamber, and the annular water pumping chamber is communicated with the water outlet joint.
Preferably, the angle occupied by the annular water storage chamber in the circumferential direction is more than or equal to 240 degrees, and cooling water in the annular water storage chamber radially enters the annular suction chamber along the periphery.
As preferred, impeller assemblage includes impeller, magnet and axle core, the impeller is half division impeller, the impeller is the soft magnetic material component of metal, the axle core is the stainless steel material component, impeller and axle core pass through laser welding fixed connection, the magnet is neodymium iron boron material component, magnet and impeller pass through glue bonding fixed connection.
Preferably, the stator assembly comprises a stator core and a plurality of coils arranged on the stator core, and the stator assembly drives the impeller assembly to rotate through the radial air gap.
Preferably, the base assembly comprises a base, a middle pipe is arranged on the base, a bearing is arranged in the middle pipe, a pressing ring for fixing the bearing is arranged on the bearing, and the pressing ring and the middle pipe are in interference fit; the bearing is also internally provided with wear-resistant plates.
Preferably, the top cover and the pump shell are both metal material components, the base is a non-magnetic metal material component, the top cover and the pump shell are connected in a viscose fixation or laser welding fixation mode, and the pump shell and the base are connected in a viscose fixation or laser welding fixation mode.
Preferably, the top cover, the pump shell and the base are all made of non-metal materials, the top cover and the pump shell are connected in a gluing mode or a welding mode, and the pump shell and the base are connected in a gluing mode or a welding mode.
Preferably, a plurality of reinforcing ribs are arranged on the pump shell.
Preferably, the water inlet joint and the water outlet joint are on the same horizontal plane.
Compared with the prior art, the invention has the beneficial effects that:
1. the annular water storage chamber is used for storing cooling water, and the annular water storage chamber can store more cooling water, so that an additional water tank is not needed; and the annular water storage chamber is arranged on the side surface of the pump shell, so that the axial size of the water pump is fully reduced, a water tank and the water pump which are required by a conventional water cooling system are integrated, the axial size is effectively reduced, and the compactness of the water cooling system is improved.
2. The invention is provided with the annular water storage chamber and the annular suction chamber, cooling water in the annular water storage chamber enters the annular suction chamber along the circumferential radial direction, and circumferential radial water inflow is utilized to replace lateral one-way water inflow in the prior art, so that the pressure loss of the cooling water entering the impeller assembly is reduced, the uniformity of the cooling water entering the impeller assembly is improved, and the fluid performance of the water pump is improved.
3. The angle of the annular water storage chamber in the circumferential direction is more than or equal to 240 degrees, so that the speed of cooling water flowing into the annular water storage chamber can be reduced, and the flowing pressure loss of the cooling water is further reduced.
4. The invention is provided with the annular suction chamber, and the annular suction chamber replaces a vertical water inlet channel in the prior art, thereby obviously reducing the axial size of the water pump.
5. The water inlet joint and the water outlet joint are both arranged on the same horizontal plane, so that the arrangement of an external flow passage of the water pump is facilitated, the application range of the water pump is wider, and the application range of the water pump can be expanded.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view showing the overall construction of a conventional centrifugal pump in the prior art;
FIG. 2 is a schematic cross-sectional view of a conventional centrifugal pump of the prior art;
FIG. 3 is a schematic cross-sectional view of a conventional integrated water pump of the prior art;
FIG. 4 is a schematic view of the overall structure of a compact ultra-thin water pump according to the present invention;
FIG. 5 is a schematic cross-sectional view of a compact ultra-thin water pump according to the present invention;
FIG. 6 is a schematic structural diagram of a compact ultra-thin water pump provided by the present invention with a top cover removed;
fig. 7 is a front view of a compact ultra-thin water pump provided by the present invention with a top cover removed.
The figure includes:
10-a water pump body, 1-a top cover, 2-a pump shell, 3-a base assembly, 4-an impeller assembly, 5-a stator assembly, 61-a water inlet joint, 62-a water outlet joint, 7-an annular water storage chamber, 91-an annular suction chamber, 8-an annular water pressing chamber, 41-an impeller, 42-a magnet, 43-a shaft core, 44-a wear-resistant sheet, 51-a stator iron core, 52-a coil, 31-a base, 32-a middle pipe, 33-a bearing, 34-a pressure ring, 11-a vertical water inlet channel and 12-a water tank.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are one embodiment of the present invention, and not all embodiments of the present invention. All other embodiments obtained by a person skilled in the art based on the embodiments of the present invention without any creative work belong to the protection scope of the present invention.
Referring to fig. 4 to 7, the present invention provides a compact ultra-thin water pump, including a water pump body 10, where the water pump body 10 includes a top cover 1, a pump casing 2 mounted on a lower portion of the top cover 1, and a base assembly 3 mounted on a lower portion of the pump casing 2, an impeller assembly 4 is mounted inside the pump casing 2, a stator assembly 5 is mounted on the base assembly 3, the impeller assembly 4 is mounted above the stator assembly 5, a water inlet joint 61 is mounted on one side of the pump casing 2, and a water outlet joint 62 is mounted on the other side of the pump casing 2, specifically, cooling water flows in from the water inlet joint 61 and flows out from the water outlet joint 62, so as to omit a vertical water inlet channel 11 in the prior art, and significantly reduce an axial dimension of the water pump body 10.
Further, the water inlet joint 61 and the water outlet joint 62 may be installed on the same side of the pump housing 2, or may be installed on different sides of the pump housing 2.
As shown in fig. 5 and 6, a first chamber is formed between the top cover 1 and the pump housing 2, the first chamber comprises an annular water storage chamber 7 arranged on the side surface of the pump housing 2 and an annular suction chamber 91 arranged on the pump housing 2 and communicated with the annular water storage chamber 7, specifically, the annular water storage chamber 7 for storing cooling water is arranged between the top cover 1 and the pump housing 2, the annular water storage chamber 7 is arranged on the side surface of the pump housing 2, and further, the annular water storage chamber 7 can store more cooling water, so that an additional water tank is not needed; and annular reservoir chamber 7 is installed in pump case 2 side, has fully reduced the axial dimensions of water pump body 10, and the required water tank of conventional water cooling system and water pump are fused into an organic whole to this embodiment, when effectively reducing axial dimensions, have improved water cooling system's compactness again.
The water inlet connector 61 is communicated with the annular water storage chamber 7, the annular water storage chamber 7 is communicated with the annular suction chamber 91, a second cavity is formed between the pump shell 2 and the base assembly 3, an annular water pressurizing chamber 8 is arranged on the outer side of the second cavity, the impeller assembly 4 is arranged in the middle of the second cavity, the annular suction chamber 91 is communicated with the annular water pressurizing chamber 8, and the annular water pressurizing chamber 8 is communicated with the water outlet connector 62.
As shown in fig. 5, the cooling water in the annular water storage chamber 7 enters the annular suction chamber 91 in a circumferential radial direction.
Further, as shown in fig. 5, the annular suction chamber 91 replaces the vertical water inlet channel 11 of the prior art, and the axial size of the cooling water pump is significantly reduced.
Specifically, in this embodiment, inside cooling water of annular reservoir chamber 7 radially gets into annular suction chamber 91 along all around inside, utilizes radial intaking all around to replace the one-way water of side among the prior art, has reduced the pressure loss that the cooling water got into impeller assemblage 4, has promoted the homogeneity that the cooling water got into impeller assemblage 4 to the fluid performance of water pump has been promoted.
As shown in fig. 7, the angle occupied by the annular water storage chamber 7 in the circumferential direction is greater than or equal to 240 degrees, the larger the angle occupied by the annular water storage chamber 7 in the circumferential direction is, the larger the inner space is, the more cooling water is carried, the speed of the cooling water flowing into the annular water storage chamber 7 can be reduced, and further, the flowing pressure loss of the cooling water is reduced.
As shown in fig. 4 and 6, the water inlet joint 61 and the water outlet joint 62 are both on the same horizontal plane, which facilitates the arrangement of external runners of the water pump, so that the application range of the water pump is wider, and the application range of the water pump can be expanded.
As shown in fig. 4, the water pump body 10 is a rectangular parallelepiped, the axial height of the water pump body 10 is not more than 6.0mm, and both the length and the width of the water pump body 10 are not more than 60 mm.
As shown in fig. 5, the impeller assembly 4 includes an impeller 41, a magnet 42 and a shaft core 43, the impeller 41 is a half-open impeller, the impeller 41 is a metal soft magnetic material component, the shaft core 43 is a stainless steel material component, the impeller 41 and the shaft core 43 are fixedly connected through laser welding, the magnet 42 is a neodymium iron boron material component, and the magnet 42 and the impeller 41 are fixedly connected through glue adhesion.
The stator assembly 5 comprises a stator core 51 and a plurality of coils arranged on the stator core 51, and the stator assembly 5 drives the impeller assembly 4 to rotate through a radial air gap.
The base assembly 3 comprises a base 31, a middle pipe 32 is arranged on the base 31, a bearing 33 is arranged in the middle pipe 32, a pressing ring 34 used for fixing the bearing 33 is arranged on the bearing 33, and the pressing ring 34 and the middle pipe 32 are in interference fit; the bearing 33 is also provided with a wear-resistant plate 44 inside.
The top cover 1 and the pump shell 2 are both metal material components, the base 31 is a non-magnetic metal material component, the top cover 1 and the pump shell 2 are connected in a viscose fixation or laser welding fixation mode, and the pump shell 2 and the base 31 are connected in a viscose fixation or laser welding fixation mode.
The top cover 1, the pump shell 2 and the base 31 are all made of non-metal materials, the top cover 1 and the pump shell 2 are connected in a viscose or welding mode, and the pump shell 2 and the base 31 are connected in a viscose or welding mode.
The pump shell 2 is provided with a plurality of reinforcing ribs.
The flow process of the cooling water in the water pump is as follows: firstly, cooling water flows into the annular water storage chamber 7 from the water inlet joint 61, and the annular water storage chamber 7 has a certain internal space and can store the cooling water; secondly, the cooling water in the annular water storage chamber 7 flows into the annular pumping chamber 8 through the annular suction chamber 91; finally, the cooling water entering the annular pumping chamber 8 flows into the water outlet joint 62 through the rotation of the impeller assembly 4, and is discharged.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.