Split type water pump impeller and water pump

Abstract

The split type water pump impeller comprises an impeller upper cover and an impeller lower cover, the impeller upper cover and the impeller lower cover are fixedly connected in a detachable mode, a plurality of upper half arc-shaped blades distributed at equal intervals are arranged on the lower portion of the impeller upper cover, and a plurality of lower half arc-shaped blades distributed at equal intervals are arranged on the lower portion of the impeller lower cover. Lower half arc-shaped blades corresponding to the upper half arc-shaped blades in a one-to-one mode are arranged on the upper portion of the impeller lower cover, the upper half arc-shaped blades and the corresponding lower half arc-shaped blades are spliced together in an up-and-down butt joint mode to form arc-shaped blades, and a water flow channel is formed between every two adjacent arc-shaped blades. The water pump comprises a split impeller water pump, a water inlet shell and a water outlet shell. The impeller upper cover and the impeller lower cover are processed by adopting a die-casting forming process, so that the efficiency is high, and the performance of the water pump can be ensured; the water flow directions of the water inlet pipe and the water outlet pipe are opposite, so that steering adjustment can be carried out without an additional adapter during water taking operation.

Description

TECHNICAL FIELD

[0001] The utility model relates to water pump processing and manufacturing technical field, concretely is a kind of split water pump impeller and water pump. BACKGROUND

[0002] Water pump is a kind of equipment that converts mechanical energy into liquid kinetic energy or potential energy, and is widely used in industry, agriculture, construction, municipal, environmental protection and other fields.

[0003] The impeller machining process of the existing conventional water pump is generally integral low-pressure casting process, and the integral low-pressure casting has the problems of low production efficiency, low forming rate, high scrap rate, poor impeller size precision, and large water pump parameter dispersion; Further, the directions of the water inlet pipe and the water outlet pipe on the body of the existing water pump are generally perpendicular to each other, which causes the need for an additional corner connector on the water inlet pipe during outdoor water taking operation, making the water taking operation inconvenient, and the existing pump seat generally does not have an auxiliary dismounting bayonet structure, which is not convenient for disassembling and repairing the pump body. SUMMARY

[0004] The utility model aims to provide a kind of split water pump impeller and water pump, impeller upper cover and impeller lower cover are all made by die casting forming process, which is efficient and can guarantee the performance of water pump;The water flow directions of the water inlet pipe and the water outlet pipe are opposite, so that no additional adapter is needed for steering adjustment during water taking operation;The auxiliary dismounting card board is used to improve the dismounting efficiency of the water pump.

[0005] The utility model solves the technical scheme adopted for its technical problems: a kind of split water pump impeller, including impeller upper cover, impeller lower cover, the impeller upper cover and impeller lower cover are fixedly connected in a detachable manner, a plurality of equidistantly distributed upper half-arc blades are arranged on the lower part of the impeller upper cover, a plurality of lower half-arc blades corresponding to the plurality of upper half-arc blades are arranged on the upper part of the impeller lower cover, the upper half-arc blade and the corresponding lower half-arc blade are butted together after being connected in a top-down manner to form an arc blade, and a water flow channel is formed between the adjacent two arc blades.

[0006] Preferably, a center hole is arranged in the middle part of the impeller upper cover, a first connecting carrier is arranged in the center hole, the outer side wall of the first connecting carrier is fixedly connected with the inner end of the upper half-arc blade, a plurality of first water inlets are formed between the outer side wall of the first connecting carrier and the side wall of the center hole, and the first water inlets realize the through connection of the center hole and the corresponding water flow channel.

[0007] Further, a plurality of first countersunk holes are arranged on the impeller lower cover and pass through the corresponding lower semi-arc blades, a plurality of first threaded through holes corresponding to the first countersunk holes are arranged on the impeller upper cover, and first countersunk screws are screwed in the corresponding first threaded through holes to achieve fixed connection of the impeller upper cover and the impeller lower cover.

[0008] Further, the water pump impeller further comprises an impeller shaft, an upper portion of the impeller shaft is fixedly connected with the first connecting carrier by bolt connection after passing through the middle portion of the impeller lower cover, and the impeller shaft is in driving cooperation with the impeller lower cover by key transmission.

[0009] A water pump comprising the split water pump impeller, further comprising a water inlet shell and a water outlet shell, the water inlet shell and the water outlet shell are fixedly connected by bolts, a water inlet pipe is arranged on the water inlet shell, and a water outlet pipe is arranged on the water outlet shell, the water flow direction of the water inlet of the water inlet pipe is parallel and opposite to the water flow direction of the water outlet of the water outlet pipe, and the split water pump impeller is arranged between the water inlet shell and the water outlet shell.

[0010] Preferably, the gap between the inner side wall of the water inlet shell and the upper side wall of the impeller upper cover is d1, and 0.8mm≤d1≤1.1mm.

[0011] Further, the gap between the inner side wall of the water outlet shell and the upper side wall of the impeller lower cover is d2, and 0.8mm≤d2≤1.1mm.

[0012] Preferably, the inner diameter of the water outlet of the water outlet pipe is D2, the distance between the lowest point and the highest point of the water inlet of the water outlet pipe in the vertical plane is D1, and D1 / D2=(0.8-0.9).

[0013] Further, a sealing sleeve is arranged at the water inlet of the water inlet shell, a sealing cooperation portion is fixedly arranged on the upper portion of the center hole, the sealing cooperation portion is sleeved in the sealing sleeve, and the outer side wall of the sealing cooperation portion is in close contact with the inner side wall of the sealing sleeve.

[0014] Further, a pair of auxiliary disassembly clamping plates are fixedly arranged on the outer side walls of the water inlet shell and the water outlet shell, respectively.

[0015] The utility model discloses a beneficial effect is: the impeller upper cover and impeller lower cover all adopt the die casting forming process to realize the processing manufacture, and its forming processing mould is simple, and then make the processing manufacture process of impeller simple and the processing efficiency is effectively improved, simultaneously, adopt the die casting forming process, and the qualified rate of impeller upper cover and impeller lower cover is high and the processing accuracy is also high, then guarantee the processing quality of impeller, the water inlet of water inlet pipe and the water flow direction of water outlet pipe are parallel and opposite, then do not need to utilize the steering elbow to realize the steering connection when taking water operation, then benefit to mention the convenience of taking water operation, when carrying out the overhaul of impeller, then utilize the auxiliary dismounting clamping plate to be convenient for realizing the disassembly of pump body, then benefit to improve the overhaul efficiency of impeller. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the embodiment or prior art description needed to use the drawing briefly introduce, obviously, below description in the drawing is part preferred embodiment of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0017] Figure 1 It is the overall structure schematic diagram of split type water pump impeller in the utility model,

[0018] Figure 2 It is the overall structure schematic diagram of water pump in the utility model,

[0019] Figure 3 It is the overall structure schematic diagram of impeller lower cover,

[0020] Figure 4 It is the overall structure schematic diagram of impeller upper cover,

[0021] Figure 5 It is the partial sectional view of impeller upper cover and impeller lower cover combination,

[0022] Figure 6 It is the overall structure schematic diagram of water inlet shell,

[0023] Figure 7 It is the overall structure schematic diagram of water outlet shell,

[0024] Figure 8 It is Figure 5 Structure schematic diagram in B of the middle,

[0025] Figure 9 It is Figure 2 Enlarged view in A of the middle,

[0026] In the diagram: 1 Impeller cover, 11 Upper semi-arc blade, 111 First threaded through hole, 12 First connecting carrier, 121 Second countersunk hole, 122 First bolt, 123 Combined washer, 13 Sealing mating part, 14 First water inlet, 2 Impeller cover, 21 Lower semi-arc blade, 22 First countersunk screw, 23 Shaft sleeve, 231 Through shaft hole, 232 First flat keyway, 233 Flat key, 3 Arc blade, 4 Water flow channel, 5 Impeller shaft, 6 Water inlet housing, 61 Water inlet pipe, 611 Water inlet of water inlet pipe, 7 Water outlet housing, 71 Water outlet pipe, 711 Water outlet of water outlet pipe, 712 Water inlet of water outlet pipe, 72 Oil seal, 8 Sealing sleeve, 9 Auxiliary disassembly plate. Detailed Implementation

[0027] The following will describe specific embodiments and appendices. Figures 1-9 The technical solutions in the embodiments of this utility model are clearly and completely described below. Obviously, the described embodiments are only some preferred embodiments of this utility model, and not all embodiments. Those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0028] This utility model provides a split-type water pump impeller (such as...) Figure 1 As shown, the impeller includes an upper cover 1 and a lower cover 2. The upper cover 1 and the lower cover 2 are fixedly connected in a detachable manner. In this specific embodiment, the upper cover 1 and the lower cover 2 can be manufactured by die casting. Compared with the traditional integral low-pressure casting process, the processing efficiency can be greatly improved, and the product qualification rate and processing quality can also be greatly improved. Several upper semi-arc blades 11 are arranged at equal intervals at the lower part of the upper cover 1. Lower semi-arc blades 21 corresponding to the upper semi-arc blades 11 are arranged at the upper part of the lower cover 2. The upper semi-arc blades 11 and the corresponding lower semi-arc blades 21 are joined together to form an arc blade 3. A water flow channel 4 is formed between two adjacent arc blades 3. In actual application, the high-speed rotating arc blades 3 drive the water flow in the corresponding water flow channel 4, thereby realizing the high-speed delivery of water.

[0029] On the basis of the above-mentioned embodiments, the specific implementation of the impeller upper cover 1 is that a center hole is arranged in the middle of the impeller upper cover 1, a first connecting carrier 12 is arranged in the center hole, the outer side wall of the first connecting carrier 12 is fixedly connected with the inner end of the upper half-arc blade 11, a plurality of first water inlets 14 are formed between the outer side wall of the first connecting carrier 12 and the side wall of the center hole, the first water inlets 14 realize the through connection of the center hole and the corresponding water flow channel 4, in the actual application process, water flow enters the water flow channel 4 through the first water inlets 14 by the negative pressure effect, in order to facilitate the stable splicing of the impeller upper cover 1 and the impeller lower cover 2, the bottom plane of the first connecting carrier 12 is made to be in the same horizontal plane with the bottom plane of the lower half-arc blade 11.

[0030] On the basis of the above-mentioned embodiments, the specific implementation of the close splicing of the impeller upper cover 1 and the impeller lower cover 2 is that a plurality of first countersunk holes penetrating through the corresponding lower half-arc blades 21 are arranged on the impeller lower cover 2, a plurality of first threaded through holes 111 corresponding to the first countersunk holes are arranged on the impeller upper cover 1, and a first countersunk screw 22 is screwed in the corresponding first threaded through hole 111 by penetrating through the first countersunk hole, thereby realizing the fixed connection of the impeller upper cover 1 and the impeller lower cover 2.

[0031] On the basis of the above-mentioned embodiment, the specific embodiment for realizing the driving of the split water pump impeller is that the water pump impeller further comprises an impeller shaft 5, the upper portion of the impeller shaft 5 is fixedly connected with the first connecting carrier 12 by penetrating the middle portion of the lower impeller cover 2 and then being connected by bolts; specifically, a first countersunk hole is arranged in the middle portion of the first connecting carrier 12, a shaft passing hole 231 corresponding to the first countersunk hole is arranged in the middle portion of the lower impeller cover 2, at the same time, a shaft sleeve 23 coaxially distributed with the shaft passing hole 231 is arranged at the bottom of the lower impeller cover 2, a shaft shoulder is arranged at the upper portion of the impeller shaft 5, and a first threaded countersunk hole corresponding to the first countersunk hole is arranged at the top of the impeller shaft 5, when the upper impeller cover 1 and the lower impeller cover 2 are fixedly connected, the upper portion of the impeller shaft 5 is sleeved in the shaft passing hole 231, and the bottom plane of the shaft sleeve 23 is attached to the shaft shoulder surface of the impeller shaft 5, a combined gasket 123 is arranged in the first countersunk hole, and the bottom of a first bolt 122 is screwed in the first threaded countersunk hole after penetrating the first countersunk hole, thereby realizing the fixed installation of the entire impeller on the impeller shaft 5, and the first bolt 122 is loosened by using the combined gasket 123; the impeller shaft 5 is driven by a key to realize the driving cooperation with the lower impeller cover 2, specifically, a first flat key groove 232 is arranged on the side portion of the shaft passing hole 231 and the inner side wall of the shaft sleeve 23, a second flat key groove corresponding to the first flat key groove 232 is arranged on the side wall of the impeller shaft 5, a flat key 233 is arranged in the first flat key groove 232 and the second flat key groove, when the impeller shaft 5 rotates, the connection of the first bolt 122 and the driving of the flat key 233 are utilized, thereby realizing the rotary driving of the impeller, and in the actual application process, the high-speed rotary driving of the impeller shaft 5 can be realized by using the cooperation of a speed reducer and a driving motor.

[0032] The utility model discloses still provide a kind of water pump, the water pump includes the split type water pump impeller described in above embodiment, while the water pump also includes water inlet shell 6, water outlet shell 7, water inlet shell 6 and water outlet shell 7 can be manufactured using low-pressure casting process, water inlet shell 6 and water outlet shell 7 are fixedly connected by bolt, specifically, a plurality of connecting lugs are provided on the shell peripheral circle of water inlet shell 6 and water outlet shell 7, a through hole is provided on the lug of water inlet shell 6, a threaded through hole is provided on the lug of water outlet shell 7, the fixed connection of corresponding two lugs is realized by bolt, and then the fixed connection of water inlet shell 6 and water outlet shell 7 is realized, a water inlet pipe 61 is provided on the water inlet shell 6, a water outlet pipe 71 is provided on the water outlet shell 7, the water inlet of the water inlet pipe 611 Water flow direction and the water outlet of the water outlet pipe 711 Water flow direction are parallel and opposite, the water inlet of the water inlet pipe 611 Water flow direction and the water outlet of the water outlet pipe 711 Water flow direction are parallel, and then when taking water, it is not necessary to be connected again by means of steering joint, and then the operation process of taking water is simplified, the split type water pump impeller is arranged between the water inlet shell 6 and the water outlet shell 7, in actual application, the gap between the inner side wall of the water inlet shell 6 and the upper side wall of the impeller upper cover 1 is d1, 0.8mm≤d1≤1.1mm, in this embodiment, the value of d1 is 0.9mm; the gap between the inner side wall of the water outlet shell 7 and the upper side wall of the impeller lower cover 2 is d2, 0.8mm≤d2≤1.1mm, in this embodiment, the value of d2 is 0.9mm.

[0033] In actual application, in order to realize the sealed connection of the impeller upper cover 1 and the water inlet shell 6, a sealing sleeve 8 is arranged at the water inlet of the water inlet shell 6, a sealing fitting part 13 is fixedly arranged on the outside of the upper part of the center hole, the sealing fitting part 13 is sleeved in the sealing sleeve 8, and the outer side wall of the sealing fitting part 13 is fitted with the inner side wall of the sealing sleeve 8, in order to realize the constant pressure inside the pump body, the sealing sleeve 8 is connected with the sealing fitting part 13 in an interference fit manner.

[0034] The inner diameter of the water outlet 711 of the water outlet pipe is D2, the distance between the lowest point and the highest point of the water inlet 712 of the water outlet pipe in the vertical plane is D1, under the premise that the pressure inside the pump body is not lost, in order to realize the water flow of the pump body to the greatest extent, D1 / D2=(0.8-0.9) is formed, and D1 / D2=0.9 is formed in this embodiment.

[0035] In the daily maintenance or overhaul of the water pump, the pump body needs to be opened sometimes, in order to quickly realize the opening of the pump body, a relative auxiliary dismounting plate 9 is fixedly arranged on the outer side wall of the water inlet shell 6 and the water outlet shell 7.

[0036] In order to realize the sealed connection between the impeller shaft 5 and the water outlet shell 7, an oil seal 72 is arranged on the water outlet shell 7, and the oil seal 72 is sealingly arranged on the impeller shaft 5.

[0037] In the utility model, "upper", "lower", "front", "rear", "left" and "right" are relative positions for the convenience of describing the positional relationship, and therefore cannot be understood as absolute positions for limiting the protection scope.

[0038] In addition to the technical features described in the specification, they are known to the skilled in the art.

[0039] The preferred embodiments and examples of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments and examples, and for ordinary skilled in the art, some improvements and modifications can be made without departing from the concept of the utility model, and these improvements and modifications should also be regarded as the protection scope of the utility model.

Claims

1. A split water pump impeller, characterized by, The impeller upper cover and the impeller lower cover are fixedly connected in a detachable manner, a plurality of upper half-arc blades are arranged at the lower part of the impeller upper cover, a plurality of lower half-arc blades corresponding to the upper half-arc blades are arranged at the upper part of the impeller lower cover, the upper half-arc blades and the corresponding lower half-arc blades are butted together to form an arc blade, and a water flow channel is formed between two adjacent arc blades.

2. The split water pump impeller of claim 1, wherein A center hole is arranged at the middle part of the impeller upper cover, a first connecting carrier is arranged in the center hole, the outer side wall of the first connecting carrier is fixedly connected with the inner end of the upper half-arc blade, a plurality of first water inlets are formed between the outer side wall of the first connecting carrier and the side wall of the center hole, and the first water inlets realize the through connection between the center hole and the corresponding water flow channel.

3. The split water pump impeller of claim 2, wherein, A plurality of first countersunk head holes penetrating the corresponding lower half-arc blades are arranged on the impeller lower cover, a plurality of first threaded through holes corresponding to the first countersunk head holes are arranged on the impeller upper cover, and the first countersunk head screws are screwed in the first threaded through holes to realize the fixed connection of the impeller upper cover and the impeller lower cover.

4. The split water pump impeller of claim 3, wherein, The water pump impeller further comprises an impeller shaft, the upper part of the impeller shaft is fixedly connected with the first connecting carrier in a bolt connection manner after penetrating the middle part of the impeller lower cover, and the impeller shaft is in transmission cooperation with the impeller lower cover in a key transmission manner.

5. A water pump characterized by, The water pump further comprises a water inlet shell and a water outlet shell, the water inlet shell and the water outlet shell are fixedly connected through bolts, a water inlet pipe is arranged on the water inlet shell, a water outlet pipe is arranged on the water outlet shell, the water flow direction of the water inlet of the water inlet pipe is parallel and opposite to the water flow direction of the water outlet of the water outlet pipe, and the split water pump impeller is arranged between the water inlet shell and the water outlet shell.

6. The water pump of claim 5 wherein, The gap between the inner side wall of the water inlet shell and the upper side wall of the impeller upper cover is d1, and 0.8mm≤d1≤1.1mm.

7. The water pump of claim 6 wherein, The gap between the inner side wall of the water outlet shell and the upper side wall of the impeller lower cover is d2, and 0.8mm≤d2≤1.1mm.

8. The water pump of claim 7 wherein, The inner diameter of the water outlet of the water outlet pipe is D2, the distance between the lowest point and the highest point of the water inlet of the water outlet pipe in the vertical plane is D1, and D1 / D2=(0.8-0.9).

9. The water pump of claim 8, wherein, A sealing sleeve is arranged at the water inlet of the water inlet shell, and a sealing cooperation part is fixedly arranged at the upper part of the outer side of the center hole, the sealing cooperation part is sleeved in the sealing sleeve, and the outer side wall of the sealing cooperation part is in close contact with the inner side wall of the sealing sleeve.

10. The water pump of claim 9, wherein, Opposite auxiliary disassembly clamping plates are fixedly arranged on the outer side walls of the water inlet shell and the water outlet shell.

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