Circulating water pump impeller with noise reduction function

Abstract

The utility model relates to the technical field of water pump components, and discloses a circulating water pump impeller with a noise reduction function, which comprises a rotating base, one side of the rotating base is fixedly connected with five groups of impeller blades, and one side of each of the five groups of impeller blades is provided with a convex mechanism. According to the circulating water pump impeller with the noise reduction function, through the arrangement of the rotating base, the impeller blades and the adjusting mechanism, when the impeller is installed, the impeller blade bolts are unscrewed firstly, then the inner impeller blades slide in the arc-shaped cavities, and the maximum sliding length of the inner impeller blades is limited by the length setting of the T-shaped grooves and the T-shaped blocks; after the inner impeller blade slides to a proper position, the impeller blade bolt is tightened, and the lengths of the impeller blade and the inner impeller blade can be adjusted, so that a gap between the impeller and a pump shell can be reduced by adjusting the inner impeller blade with the proper size, and noise generated by bubbles, vortexes and the like is effectively reduced; and noise increase caused by water flow turbulence due to an overlarge gap between the impeller and the pump shell is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to water pump part technical field especially relates to a circulating water pump impeller with noise reduction function. BACKGROUND

[0002] Circulating water pump is the heart component in industrial, building and civil water supply system, and is widely used in cooling tower, heating system, air conditioner, sewage treatment plant and many other fields. With the acceleration of urbanization process, people's requirement for the quietness of living and working environment is increasing, and the noise pollution generated by pump station operation has become an unavoidable problem. Especially at night or in a quiet environment, even a small sound can cause interference and affect the quality of life.

[0003] The noise reduction and sound insulation device for the circulating water pump disclosed in the publication No. CN219452368U, although, a noise reduction and sound insulation device for the circulating water pump is applied to the left guard plate assembly of the vertical circulating water pump; it includes: the right guard plate assembly assembled on the left guard plate assembly; the support frame assembly is hingedly connected to the left guard plate assembly and the right guard plate assembly; wherein the top and bottom inner walls of the left guard plate assembly and the right guard plate assembly are respectively provided with support frame assemblies; the two groups of support frame assemblies on the left guard plate assembly and the two groups of support frame assemblies on the right guard plate assembly are in contact with the outer side of the vertical circulating water pump. The left guard plate assembly and the right guard plate assembly form a protective layer on the outer side of the pump body to reduce the noise propagation to the outside; when the pump body is maintained, the structure connection of the left guard plate assembly and the right guard plate assembly can be quickly disassembled and separated, improving the maintenance efficiency of the pump body; and the problem of complex structure of traditional sound insulation and noise reduction is avoided, which is not conducive to equipment maintenance.

[0004] The above-mentioned patent achieves the purpose of adding the left guard plate assembly and the right guard plate assembly to form a protective layer on the outer side of the pump body to reduce the noise propagation to the outside, thereby achieving the purpose of noise reduction; but the circulating water pump only achieves the purpose of noise reduction through external devices, without adding structure to the internal impeller of the water pump to achieve the purpose of noise reduction. UTILITY MODEL CONTENT

[0005] (I) Technical problem solved

[0006] The utility model aims to provide a circulating water pump impeller with noise reduction function, which solves the problem that the circulating water pump only achieves the purpose of noise reduction through external devices without adding structure to the internal impeller of the water pump to achieve the purpose of noise reduction.

[0007] (II) Technical scheme

[0008] To achieve the above object, the utility model discloses a circulating water pump impeller with noise reduction function through the following technical scheme, a rotating base is fixedly connected with five groups of impeller blades on one side, one side of five groups of the impeller blade is provided with convex mechanism, the inside of the impeller blade is provided with adjusting mechanism, the rotating base is fixedly connected with filter mechanism on one side, the convex mechanism includes two groups of outer arc strips arranged on one side of the impeller blade, the other side of the impeller blade is provided with two groups of inner arc strips, the surface of the impeller blade is provided with coating, the adjusting mechanism includes the arc cavity being arranged in the inside of five groups of the impeller blade, one side of the arc cavity is provided with T-shaped groove, the inside of T-shaped groove is slidably connected with T-shaped block, one side of T-shaped block is fixedly connected with inner wheel piece, one side of the inner wheel piece is threadedly connected with two groups of wheel piece bolts, one side of the impeller blade is provided with recessed port, the filter mechanism includes three groups of support columns being inserted in one side of the rotating base, the surface of the rotating base is provided with three groups of thread holes, the inside of three groups of thread holes is threadedly connected with rotating disc bolt, one side of three groups of the support column is provided with thread groove, one side of three groups of the support column is fixedly connected with filter screen.

[0009] As a further scheme of the utility model, the material of the impeller blade and the inner wheel piece is stainless steel material, the material of the coating is organic substance, the setting of the coating plays the role of smoothing the impeller blade.

[0010] As a further scheme of the utility model, the width of the recessed port is adapted to the diameter of the wheel piece bolt, the surface of the wheel piece bolt is flush with the surface of the impeller blade, the setting of the wheel piece bolt plays the role of fixing the inner wheel piece.

[0011] As a further scheme of the utility model, one side of three groups of the thread hole is provided with bolt cavity, the surface of the rotating disc bolt is flush with the side surface of the rotating base, the setting of the rotating disc bolt plays the role of fixing the support column.

[0012] As a further scheme of the utility model, the arc length of the inner wheel piece is half of the arc length of the impeller blade, the height of the inner wheel piece is less than the height of the impeller blade, the setting of the inner wheel piece plays the role of adjusting the length of the impeller.

[0013] As a further scheme of the utility model, the middle part of the rotating base is provided with through -going port, one side of the rotating base is fixedly connected with fixed pipe, the setting of the through -going port plays the role of sleeving the rotating shaft.

[0014] As a further scheme of the utility model, the inside of the rotating base is connected with rotating shaft, one end of the rotating shaft is threadedly connected with mounting nut, the setting of the rotating shaft plays the role of providing the power of the rotation of the impeller.

[0015] (III) Beneficial Effects

[0016] The utility model provides a circulating water pump impeller with noise reduction function possesses following beneficial effects:

[0017] 1, this circulating water pump impeller with noise reduction function, through the setting of rotating base, impeller piece and adjusting mechanism, when installing the impeller, first loosens the wheel piece bolt, then slides the inner wheel piece in the arc cavity, under the length setting of T -shaped groove and T -shaped block, the maximum sliding length of inner wheel piece is limited, and the wheel piece bolt is tightened after the sliding adjustment of inner wheel piece to the appropriate position, and then the length of impeller piece and inner wheel piece can be adjusted, so that the inner wheel piece of appropriate size can reduce the gap between the impeller and the pump shell, effectively reduce the noise generated by bubble, vortex, avoid the gap between the impeller and the pump shell too big and increase the noise caused by water flow turbulence.

[0018] 2, this circulating water pump impeller with noise reduction function, through the setting of impeller piece, convex mechanism and filter mechanism, when the circulating water pump is running, the water flow first passes through the filter screen, and the filter screen intercepts the impurities in the water flow, avoids the accumulation of impurities and causes the unbalance of impeller or the unsmooth water flow, when the water flow flows through the impeller piece, the outer arc strip and the inner arc strip arranged on the surface of the impeller piece can effectively optimize the flow path inside the water pump, reduce the turbulence phenomenon of water flow, and the smooth coating treatment on the surface of the impeller piece reduces the impact and turbulence of water flow on the surface of the impeller piece, so that the noise between the impeller piece and the water flow is effectively reduced, and the noise of the circulating water pump is further reduced. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is whole structure schematic diagram of the utility model;

[0020] Fig. 2 It is convex mechanism structure schematic diagram of the utility model;

[0021] Fig. 3 It is adjusting mechanism structure schematic diagram of the utility model;

[0022] Fig. 4 It is filter mechanism structure schematic diagram of the utility model.

[0023] In the drawing: 1, rotating base;2, impeller piece;3, convex mechanism;301, outer arc strip;302, inner arc strip;303, coating;4, adjusting mechanism;401, arc cavity;402, T-shaped groove;403, T-shaped block;404, inner wheel piece;405, wheel piece bolt;406, recessed port;5, filter mechanism;501, support column;502, threaded hole;503, rotating disc bolt;504, threaded groove;505, filter screen;6, bolt cavity;7, through -going port;8, fixed pipe;9, rotating shaft;10, mounting nut. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor fall within the scope of the utility model.

[0025] Please refer to Figs. 1 to 4 The utility model provides a kind of technical scheme: a circulating water pump impeller with noise reduction function, including rotating base 1, one side of rotating base 1 is fixedly connected with five sets of impeller blade 2, one side of five sets of impeller blade 2 is provided with convex mechanism 3, the inside of impeller blade 2 is equipped with adjusting mechanism 4, one side of rotating base 1 is fixedly connected with filter mechanism 5, convex mechanism 3 includes the two sets of outer arc strip 301 of being arranged in one side of impeller blade 2, the other side of impeller blade 2 is provided with two sets of inner arc strip 302, the surface of impeller blade 2 is provided in coating 303, adjusting mechanism 4 includes the arc cavity 401 of being equipped in the inside of five sets of impeller blade 2, one side of arc cavity 401 is equipped with T-shaped groove 402, T-shaped block 403 is slidably connected in the inside of T-shaped groove 402, one side of T-shaped block 403 is fixedly connected with inner wheel piece 404, one side of inner wheel piece 404 is threadedly connected with two sets of wheel piece bolt 405, one side of impeller blade 2 is equipped with recess mouth 406, filter mechanism 5 includes the three sets of support column 501 of being inserted in one side of rotating base 1, the surface of rotating base 1 is provided with three sets of threaded hole 502, threaded hole 502 is threadedly connected with carousel bolt 503 in the inside of three sets, one side of three sets of support column 501 is equipped with threaded groove 504, one side of three sets of support column 501 is fixedly connected with filter screen 505.

[0026] The material of impeller blade 2 and inner wheel piece 404 is stainless steel material, the material of coating 303 is organic matter, by the setting of coating 303, the effect of smoothing impeller blade 2 is achieved;

[0027] The width of recess mouth 406 is adapted to the diameter of wheel piece bolt 405, the surface of wheel piece bolt 405 is flush with the surface of impeller blade 2, by the setting of wheel piece bolt 405, the effect of fixing inner wheel piece 404 is achieved;

[0028] One side of three sets of threaded hole 502 is equipped with bolt cavity 6, the surface of carousel bolt 503 is flush with the side surface of rotating base 1, by the setting of carousel bolt 503, the effect of fixing support column 501 is achieved;

[0029] The arc length of inner wheel piece 404 is half of the arc length of impeller blade 2, the height of inner wheel piece 404 is less than the height of impeller blade 2, by the setting of inner wheel piece 404, the effect of adjusting the length of impeller is achieved;

[0030] The middle part of the rotating base 1 is provided with a through hole 7, and one side of the rotating base 1 is fixedly connected with a fixed pipe 8, and the through hole 7 is arranged to sleevedly connect with a rotating shaft 9;

[0031] The rotating shaft 9 is arranged in the rotating base 1, and one end of the rotating shaft 9 is threadedly connected with a mounting nut 10, so that the rotating shaft 9 provides rotating power for the impeller;

[0032] The working steps of the device are as follows:

[0033] The first step is that when the impeller is installed, the blade bolt 405 is loosened first, then the inner blade 404 is slid in the arc-shaped cavity 401, and the maximum sliding length of the inner blade 404 is limited by the length of the T-shaped groove 402 and the T-shaped block 403, and the blade bolt 405 is tightened after the inner blade 404 is slid to the appropriate position, so that the length of the impeller blade 2 and the inner blade 404 can be adjusted.

[0034] The second step is that when the circulating water pump is running, the water flow first passes through the filter screen 505, the filter screen 505 intercepts impurities in the water flow, avoids impurities accumulation to cause the impeller imbalance or water flow unsmooth, and the outer arc-shaped strip 301 and the inner arc-shaped strip 302 arranged on the surface of the impeller blade 2 can effectively optimize the flow path in the water pump, reduce the turbulent flow phenomenon of the water flow, and the smooth coating treatment on the surface of the impeller blade 2 reduces the impact and turbulent flow of the water flow on the surface of the impeller blade.

[0035] It should be noted that the device structure and the drawings mainly describe the principle of the device, and the power mechanism, the power supply system and the control system are not completely described, and the specific power mechanism, the power supply system and the control system can be clearly known by the technical personnel in the field under the premise of understanding the principle of the device, and the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the technical personnel in the field.

[0036] The standard parts used can be purchased from the market, and can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the mechanical parts and equipment adopt the conventional type in the prior art, and the components known by the technical personnel in the field are known or obtained by conventional experimental method.

[0037] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A circulating water pump impeller with noise reduction function, comprising a rotating base (1), characterized in that: The rotating base (1) is fixedly connected with five groups of impeller blades (2) on one side, five groups of the impeller blades (2) are provided with convex mechanisms (3) on one side, the inside of the impeller blades (2) is provided with adjusting mechanisms (4), the rotating base (1) is fixedly connected with filtering mechanisms (5) on one side, The convex mechanism (3) comprises two groups of outer arc-shaped strips (301) arranged on one side of the impeller blade (2), the other side of the impeller blade (2) is provided with two groups of inner arc-shaped strips (302), and the surface of the impeller blade (2) is provided with a coating (303), The adjusting mechanism (4) comprises an arc-shaped cavity (401) formed in the inside of the five groups of impeller blades (2), a T-shaped groove (402) is formed in one side of the arc-shaped cavity (401), a T-shaped block (403) is slidably connected in the inside of the T-shaped groove (402), an inner wheel blade (404) is fixedly connected to one side of the T-shaped block (403), two groups of wheel blade bolts (405) are threadedly connected to one side of the inner wheel blade (404), and a recessed opening (406) is formed in one side of the impeller blade (2), The filtering mechanism (5) comprises three groups of supporting columns (501) inserted into one side of the rotating base (1), the surface of the rotating base (1) is provided with three groups of threaded holes (502), the inside of the three groups of threaded holes (502) is threadedly connected with a rotating disc bolt (503), a threaded groove (504) is formed in one side of the three groups of supporting columns (501), and a filter screen (505) is fixedly connected to one side of the three groups of supporting columns (501).

2. The impeller of a circulating water pump with noise reduction function according to claim 1, characterized in that: The materials of the impeller blades (2) and the inner wheel blade (404) are stainless steel, and the material of the coating (303) is organic matter.

3. The impeller of a circulating water pump with noise reduction function according to claim 1, characterized in that: The width of the recessed opening (406) is matched with the diameter of the wheel blade bolt (405), and the surface of the wheel blade bolt (405) is flush with the surface of the impeller blade (2).

4. The impeller of a circulating water pump with noise reduction function according to claim 1, characterized in that: Three groups of the threaded holes (502) are provided with bolt cavities (6) on one side, and the surface of the rotating disc bolt (503) is flush with the side surface of the rotating base (1).

5. The impeller of a circulating water pump with noise reduction function according to claim 1, characterized in that: The arc length of the inner wheel blade (404) is half of the arc length of the impeller blade (2), and the height of the inner wheel blade (404) is less than the height of the impeller blade (2).

6. The impeller of a circulating water pump with noise reduction function according to claim 1, characterized in that: The middle part of the rotating base (1) is provided with a through hole (7), and the rotating base (1) is fixedly connected with a fixed pipe (8) on one side.

7. The impeller of a circulating water pump with noise reduction function according to claim 1, characterized in that: The inside of the rotating base (1) is penetrated and connected with a rotating shaft (9), and one end of the rotating shaft (9) is threadedly connected with a mounting nut (10).

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