阅读说明：本技术 一种低噪音混流泵 (Low-noise mixed flow pump ) 是由 万代祥 陈宁 万超 张鑫麟 于 2020-06-12 设计创作，主要内容包括：本发明涉及混流泵技术领域,且公开了一种低噪音混流泵,包括支撑底板,所述支撑底板的底部固定连接有万向轮,所述支撑底板顶部的左侧固定连接有泵体,所述泵体的左侧固定连接有前泵盖,所述泵体的右侧固定连接有第一托架,所述第一托架的右侧固定连接有第二托架,所述支撑底板的顶部固定连接有隔音箱。该低噪音混流泵,多孔吸音板具有松软多孔的特性,当声波进入多孔材料的孔隙之后,能引起孔隙中的空气和材料的细小纤维发生振动,由于空气与孔壁的摩擦阻力、空气的粘滞阻力和热传导等作用,相当一部分声能就会转变成热能而耗散掉,从而达到吸声降噪作用,隔音箱则是通过密闭阻隔降噪,从而有效的达到降低噪音的目的。(The invention relates to the technical field of mixed flow pumps and discloses a low-noise mixed flow pump which comprises a supporting base plate, wherein the bottom of the supporting base plate is fixedly connected with a universal wheel, the left side of the top of the supporting base plate is fixedly connected with a pump body, the left side of the pump body is fixedly connected with a front pump cover, the right side of the pump body is fixedly connected with a first bracket, the right side of the first bracket is fixedly connected with a second bracket, and the top of the supporting base plate is fixedly connected with a sound insulation box. The low-noise mixed flow pump has the advantages that the porous sound-absorbing plate has the soft and porous characteristic, when sound waves enter the pores of the porous material, air in the pores and fine fibers of the material can vibrate, due to the effects of friction resistance between the air and the pore wall, viscous resistance of the air, heat conduction and the like, a certain part of sound energy can be converted into heat energy to be dissipated, the sound absorption and noise reduction effects are achieved, the sound insulation box is used for reducing noise through closed separation, and the purpose of effectively reducing noise is achieved.)

1. A low noise mixed flow pump, includes supporting baseplate (1), its characterized in that: the bottom of the supporting base plate (1) is fixedly connected with a universal wheel (2), the left side of the top of the supporting base plate (1) is fixedly connected with a pump body (3), the left side of the pump body (3) is fixedly connected with a front pump cover (4), the right side of the pump body (3) is fixedly connected with a first bracket (5), the right side of the first bracket (5) is fixedly connected with a second bracket (6), the top of the supporting base plate (1) is fixedly connected with a sound insulation box (7), the inner bottom wall of the sound insulation box (7) is fixedly connected with a connecting plate (8), the top of the connecting plate (8) is movably connected with a supporting seat (9), the top of the supporting seat (9) is fixedly connected with a pump (10), the output shaft of the pump (10) is fixedly connected with a connecting shaft (11), and the left side and right side of the supporting seat (9) are both fixedly connected with a bearing block (12), the sound insulation box is characterized in that a first thread groove (13) is formed in the top of the bearing block (12), a thread nail (14) is connected to the inner thread of the first thread groove (13), a porous sound absorption plate (15) is fixedly connected to the inner side of the sound insulation box (7), and two supporting blocks (16) are fixedly connected to the right side of the top of the supporting base plate (1).

2. A low noise mixed flow pump according to claim 1, wherein: the number of the universal wheels (2) is four, the four universal wheels (2) are symmetrically distributed in a left-right mode, and the outer sides of the four universal wheels (2) are fixedly connected with brake pads.

3. A low noise mixed flow pump according to claim 1, wherein: the second bracket (6) is positioned at the top of the supporting bottom plate (1), and the second bracket (6) is fixedly connected with the supporting bottom plate (1).

4. A low noise mixed flow pump according to claim 1, wherein: and the left side and the right side of the top of the connecting plate (8) are both provided with second thread grooves, and the second thread grooves are in threaded connection with the threaded nails (14).

5. A low noise mixed flow pump according to claim 1, wherein: two fixedly connected with hurdle between supporting shoe (16), and the outside fixedly connected with adapter sleeve of hurdle, the adapter sleeve is sweat-absorbing cotton cover.

6. A low noise mixed flow pump according to claim 1, wherein: the porous sound-absorbing board (15) is a urethane foam plastic board.

Technical Field

The invention relates to the technical field of mixed flow pumps, in particular to a low-noise mixed flow pump.

Background

The mixed flow pump is a pump between a centrifugal pump and an axial flow pump, the specific rotating speed of the mixed flow pump is higher than that of the centrifugal pump and lower than that of the axial flow pump, generally between 300 and 500, the lift of the mixed flow pump is higher than that of the axial flow pump, but the flow rate of the mixed flow pump is smaller than that of the axial flow pump and larger than that of the centrifugal pump, the mixed flow pump is used for conveying clean and polluted media and chemically neutral or aggressive media, and the mixed flow pump is applied to forced circulation, mariculture, urban gas engineering or water treatment systems in chemical engineering processes.

The mixed flow pump has excellent performance and large demand, and is widely applied to various fields, but in the using process of the mixed flow pump, a motor of the mixed flow pump generates noise, and the mixed flow pump is inconvenient to move due to the lack of a moving assembly, so that the purpose of convenient movement and low noise of the mixed flow pump is achieved, and the low-noise mixed flow pump is provided to solve the problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a low-noise mixed flow pump which has the advantages of convenience in movement, low noise and the like, and solves the problems that a motor of the mixed flow pump generates noise in the use process and the mixed flow pump is inconvenient to move due to the lack of a moving assembly.

(II) technical scheme

In order to achieve the purposes of convenient movement and low noise, the invention provides the following technical scheme: a low-noise mixed flow pump comprises a supporting base plate, wherein the bottom of the supporting base plate is fixedly connected with a universal wheel, the left side of the top of the supporting base plate is fixedly connected with a pump body, the left side of the pump body is fixedly connected with a front pump cover, the right side of the pump body is fixedly connected with a first bracket, the right side of the first bracket is fixedly connected with a second bracket, the top of the supporting base plate is fixedly connected with a sound insulation box, the inner bottom wall of the sound insulation box is fixedly connected with a connecting plate, the top of the connecting plate is movably connected with a supporting seat, the top of the supporting seat is fixedly connected with a pump machine, the output shaft of the pump machine is fixedly connected with a connecting shaft, the left side and the right side of the supporting seat are both fixedly connected with bearing blocks, the top of each bearing block is provided with a first thread groove, the inner thread of each first thread groove is connected with a thread nail, and the inner side of the sound insulation box is fixedly connected with a porous sound absorption plate, and the right side of the top of the supporting bottom plate is fixedly connected with two supporting blocks.

Preferably, the number of the universal wheels is four, the four universal wheels are symmetrically distributed in a left-right two-by-two manner, and the outer sides of the four universal wheels are fixedly connected with brake pads.

Preferably, the second bracket is located on the top of the support base plate, and the second bracket is fixedly connected with the support base plate.

Preferably, the left side and the right side of the top of the connecting plate are both provided with second thread grooves, and the second thread grooves are in threaded connection with the threaded nails.

Preferably, a hurdle is fixedly connected between the two supporting blocks, a connecting sleeve is fixedly connected to the outer side of the hurdle, and the connecting sleeve is a sweat-absorbing cotton sleeve.

Preferably, the porous sound-absorbing plate is a urethane foam plastic plate.

(III) advantageous effects

Compared with the prior art, the invention provides a low-noise mixed flow pump, which has the following beneficial effects:

this low noise mixed flow pump, through setting up the universal wheel, under the rolling effect of universal wheel, make the mixed flow pump reach the purpose of being convenient for to remove, and after the pump machine function, the pump machine will drive the connecting axle and rotate, and self will produce the noise of thorn ear, for the purpose that reaches the noise reduction, through setting up the sound-proof box, and through setting up porous abatvoix in the inside at the sound-proof box, porous abatvoix has soft porous characteristic, after the sound wave got into porous material's hole, can arouse the air in the hole and the tiny fiber of material to vibrate, because the frictional resistance of air and pore wall, the viscous resistance and the heat-conduction etc. effect of air, a considerable part acoustic energy will be transformed into heat energy and dissipate, thereby reach the effect of making an uproar of absorbing noise, the sound-proof box is then fallen through airtight separation and make an uproar, thereby the effectual purpose that reaches the noise reduction.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of A in the structure of the present invention;

FIG. 3 is a right side view of the septum box connection structure of the present invention;

fig. 4 is a right side view of the porous sound-absorbing panel attachment structure of the construction of the present invention.

In the figure: the sound insulation device comprises a support base plate 1, a universal wheel 2, a pump body 3, a front pump cover 4, a first bracket 5, a second bracket 6, a sound insulation box 7, a connecting plate 8, a supporting seat 9, a pump machine 10, a connecting shaft 11, a bearing block 12, a first thread groove 13, a thread nail 14, a porous sound absorption plate 15 and a supporting block 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a low noise mixed flow pump comprises a supporting base plate 1, universal wheels 2 are fixedly connected to the bottom of the supporting base plate 1, the number of the universal wheels 2 is four, the four universal wheels 2 are symmetrically distributed in pairs, brake pads are fixedly connected to the outer sides of the four universal wheels 2, a pump body 3 is fixedly connected to the left side of the top of the supporting base plate 1, a front pump cover 4 is fixedly connected to the left side of the pump body 3, a first bracket 5 is fixedly connected to the right side of the pump body 3, a second bracket 6 is fixedly connected to the right side of the first bracket 5, the second bracket 6 is located at the top of the supporting base plate 1, the second bracket 6 is fixedly connected to the supporting base plate 1, a sound insulation box 7 is fixedly connected to the top of the supporting base plate 1, a connecting plate 8 is fixedly connected to the inner bottom wall of the sound insulation box 7, a supporting seat 9 is movably connected to the top of the connecting plate 8, and a pump 10 is fixedly connected to the top of the supporting seat 9, the output shaft of the pump 10 is fixedly connected with a connecting shaft 11, the left side and the right side of the supporting seat 9 are both fixedly connected with a bearing block 12, the top of the bearing block 12 is provided with a first thread groove 13, the inner thread of the first thread groove 13 is connected with a thread nail 14, the left side and the right side of the top of the connecting plate 8 are both provided with a second thread groove, the second thread groove is in threaded connection with the thread nail 14, the inner side of the sound insulation box 7 is fixedly connected with a porous sound absorption plate 15, the porous sound absorption plate 15 is a carbamate foam plastic plate, the right side of the top of the supporting bottom plate 1 is fixedly connected with two supporting blocks 16, a hurdle frame is fixedly connected between the two supporting blocks 16, the outer side of the hurdle frame is fixedly connected with a connecting sleeve, the connecting sleeve is a sweat absorption cotton sleeve, the mixed flow pump achieves the purpose of convenient movement under the rolling action of the connecting shaft of the universal wheel 2 by arranging the universal wheel 2, and after the pump 10 operates, the pump 10 drives the pump 11 to rotate, and will produce the noise of the thorn by oneself, in order to reach the purpose to reduce the noise, through setting up the sound-proof box 7, and through setting up the porous acoustic board 15 in the inside of the sound-proof box 7, the porous acoustic board 15 has soft porous characteristic, after the sound wave enters the pore space of the porous material, can cause the air in the pore space and tiny fiber of the material to vibrate, because the friction resistance of air and pore wall, viscous resistance and heat conduction of the air, etc. effects, a considerable part of sound energy will be changed into the heat energy and dissipated, thus reach the function of absorbing sound and reducing noise, the sound-proof box 7 is through the airtight separation and reducing noise, thus the effectual purpose to reach the noise reduction.

When in use, the universal wheel 2 is arranged, the mixed flow pump achieves the purpose of convenient movement under the rolling action of the universal wheel 2, and after the pump 10 operates, the pump 10 drives the connecting shaft 11 to rotate, and will produce the harsh noise by oneself, in order to achieve the goal of reducing the noise, through setting up the sound-proof box 7, and by providing the porous sound-absorbing plate 15 inside the soundproof case 7, the porous sound-absorbing plate 15 has a soft porous property, after the sound wave enters the pores of the porous material, the air in the pores and the fine fibers of the material can be caused to vibrate, due to the friction resistance between air and the hole wall, the viscous resistance of air, the heat conduction and other effects, a considerable part of sound energy is converted into heat energy and dissipated, therefore, the sound absorption and noise reduction effects are achieved, and the sound insulation box 7 is used for reducing noise through closed separation, so that the purpose of reducing noise is effectively achieved.

In summary, the low-noise mixed flow pump achieves the purpose of convenient movement by arranging the universal wheel 2 and under the rolling action of the universal wheel 2, after the pump 10 operates, the pump 10 drives the connecting shaft 11 to rotate and generates harsh noise by itself, in order to achieve the purpose of reducing the noise, the sound insulation box 7 is arranged, the porous sound absorption plate 15 is arranged in the sound insulation box 7, the porous sound absorption plate 15 has the characteristics of softness and porosity, when sound waves enter pores of a porous material, air in the pores and fine fibers of the material can be caused to vibrate, due to the friction resistance between the air and pore walls, the viscous resistance of the air, the heat conduction and the like, a part of sound energy can be converted into heat energy to be dissipated, so that the sound absorption and noise reduction effects are achieved, the sound insulation box 7 achieves the purpose of effectively reducing the noise by sealing, blocking and noise reduction, the problem of in the use of mixed flow pump, its motor will produce the noise, and owing to lack the removal subassembly, lead to it to remove inconvenient is solved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.