Single impeller agitator pump

Abstract

The utility model discloses a single vane wheel stirs and sucks medicine pump, including motor, single vane wheel stirs and sucks medicine pump still includes: the suction stirring mechanism for sucking and stirring medicament, wherein, the suction stirring mechanism includes: vane wheel casing and rotatablely arranged vane wheel body in vane wheel casing inside, vane wheel body side surface with the inner wall of vane wheel casing is spaced apart and is arranged, still respectively set up with the liquid inlet for sucking the liquid medicine of the inner chamber intercommunication of it and the liquid outlet of flowing out to stir the liquid medicine on vane wheel casing. This single vane wheel stirs and sucks medicine pump when using, overcomes the vane wheel medicine pump vane wheel and the flow passage of prior art and is easy to be blocked, and the vane wheel of vane wheel medicine pump will be subjected to the problem of the scouring and abrasion of particle, and through a vane wheel realizes the suction and stirring effect of liquid medicine.

Description

Technical Field

[0001] This utility model relates to the field of smoke generator technology, specifically to a single-impeller agitator pump. Background Technology

[0002] In the field of cold fog machine (smoke machine) technology, the chemical pump is one of the important components, used to stir and transport the chemical liquid in the fog machine.

[0003] A search revealed that Chinese Patent 2024217312705 discloses a multifunctional impeller pump, which includes a motor, stirring blades, and a suction and stirring mechanism. The top of the motor's output shaft extends at least partially into the interior of the suction and stirring mechanism to drive its internal rotation to generate negative pressure to draw out the liquid medicine and discharge it through the outlet pipe. The stirring blades are fixedly sleeved on the middle of the motor's output shaft.

[0004] However, during the implementation of the above solution, it was found that when the pumped liquid contained solid particles, fibers, or impurities, the impeller and flow channels of the impeller pump were easily clogged, leading to a decrease in pump performance or even malfunction. This is especially true for enclosed impellers, whose closed design results in a small internal space. Large particles can easily become stuck between the impeller and the pump casing; long fibers are even more likely to become entangled on the blades within the enclosed space, creating a "shaft-wrap" phenomenon, which can severely cause the impeller to seize up. Furthermore, when pumping liquid containing solid particles, the impeller is subjected to erosion and wear from the particles, causing the impeller blades to become thinner and deformed, thus affecting pump performance. After long-term operation, the impeller may require frequent replacement, increasing maintenance costs and downtime.

[0005] Therefore, providing a single-impeller agitator pump that can effectively overcome the above-mentioned technical problems during use is a problem that this utility model urgently needs to solve. Utility Model Content

[0006] To address the aforementioned technical problems, the purpose of this utility model is to overcome the issues in the prior art where the impeller and flow channel of the impeller medicine pump are easily blocked, and the impeller of the impeller medicine pump is subject to scouring and wear by particles. Therefore, this utility model provides a single impeller agitation medicine pump that can effectively overcome the above technical problems during use and achieve the suction and agitation effect of the medicine liquid through a single impeller.

[0007] To achieve the above objectives, this utility model provides a single-impeller agitator pump, including a motor, and further comprising a suction and agitation mechanism for drawing and agitating the pharmaceutical agent; wherein...

[0008] The suction and stirring mechanism includes: an impeller housing and an impeller body rotatably disposed inside the impeller housing. The side of the impeller body is spaced apart from the inner wall of the impeller housing. The impeller housing is also provided with an inlet for suctioning the liquid medicine and an outlet for stirring the liquid medicine, which are connected to its inner cavity.

[0009] Preferably, the liquid inlet is provided on the side of the impeller housing facing the blades of the impeller body; the liquid outlet is provided on the side of the impeller housing facing the back plate of the impeller body and / or the side of the impeller housing.

[0010] Preferably, the impeller housing is a split structure; wherein,

[0011] The impeller housing includes a detachable casing and a bottom casing assembled together, and the impeller body is rotatably disposed in the cavity formed by the casing and the bottom casing.

[0012] Preferably, the impeller housing is an integral structure, and the interior of the impeller housing has an inner cavity for assembling the impeller body.

[0013] Preferably, the inner wall of the impeller housing is further provided with a jet port, and the jet port is connected to a conduit for discharging the liquid medicine.

[0014] Preferably, the internal flow channel formed by the jet port and the duct is arranged along the tangential direction of the impeller body.

[0015] Preferably, the inner diameter of the internal flow channel gradually decreases along the direction away from the interior of the impeller housing.

[0016] According to the above technical solution, the beneficial effects of the single impeller agitation pump provided by this utility model in use are as follows: the impeller body, which is set inside the impeller housing, rotates to generate negative pressure, thereby drawing the liquid medicine into the internal cavity of the impeller housing. First, the impeller body is spaced apart from the inner wall of the internal cavity, which can effectively solve the problem of scouring and wear between the impeller and solid particles in the liquid medicine during use, and prevent large particles from getting stuck between the impeller and the pump housing due to the narrow internal space. Moreover, the rear cover of the impeller pump is opened up (openings are set at the top and bottom of the impeller housing), forming a through-flow channel structure, which can also effectively alleviate the blockage problem caused by media sedimentation and crystallization inside the impeller housing in the prior art. In addition, during the rotation of the impeller body, part of the liquid medicine is discharged and transported out, while the remaining liquid medicine will generate turbulence at the bottom to flow out from the internal cavity, and also play a stirring role for the liquid medicine. In this way, the pump of this application can achieve the dual effect of suction and stirring of liquid medicine through the suction and stirring mechanism.

[0017] Other features and advantages of this utility model will be described in detail in the following detailed description section; and all parts not covered in this utility model are the same as or can be implemented using existing technology. Attached Figure Description

[0018] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the following detailed description to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0019] Figure 1 This is a schematic diagram of the structure of a single-impeller agitator pump provided in a preferred embodiment of the present invention. Figure 1 ;

[0020] Figure 2 This is a schematic diagram of the structure of a single-impeller agitator pump provided in a preferred embodiment of the present invention. Figure 2 ;

[0021] Figure 3 This is a schematic diagram of the suction and stirring mechanism provided in a preferred embodiment of the present invention. Figure 1 ;

[0022] Figure 4 This is a schematic diagram of the suction and stirring mechanism provided in a preferred embodiment of the present invention. Figure 2 ;

[0023] Figure 5 This is a schematic diagram of the structure of a single-impeller agitator pump provided in a preferred embodiment of the present invention. Figure 3 ;

[0024] Figure 6 This is a schematic diagram of the structure of a single-impeller agitator pump provided in a preferred embodiment of the present invention. Figure 4 ;

[0025] Figure 7 This is a schematic diagram of the suction and stirring mechanism provided in a preferred embodiment of the present invention. Figure 3 ;

[0026] Figure 8 This is a schematic diagram of the suction and stirring mechanism provided in a preferred embodiment of the present invention. Figure 4 ;

[0027] Figure 9 This is a schematic diagram of the assembly structure of a single-impeller agitator pump provided in a preferred embodiment of this utility model, installed outside the medicine tank. Figure 1 ;

[0028] Figure 10This is a schematic diagram of the assembly structure of a single-impeller agitator pump provided in a preferred embodiment of this utility model, installed outside the medicine tank. Figure 2 .

[0029] Explanation of reference numerals in the attached figures

[0030] 1 Impeller housing 101 Cover

[0031] 102 Bottom Casing 4 Impeller Body

[0032] 5 liquid outlets 6 motors

[0033] 7 Inlet 8 Pipe

[0034] 9 medicine boxes Detailed Implementation

[0035] The specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit the scope of this utility model.

[0036] In this utility model, unless otherwise stated, directional words such as "upper," "lower," "inner," and "outer" included in the terminology only represent the orientation of the term in its conventional use or are common terms understood by those skilled in the art, and should not be regarded as limitations on the term.

[0037] like Figure 1-10 As shown, this utility model provides a single-impeller agitation pump, including a motor 6. The single-impeller agitation pump further includes a suction and stirring mechanism for drawing and stirring the medicine; wherein,

[0038] The suction and stirring mechanism includes: an impeller housing 1 and an impeller body 4 rotatably disposed inside the impeller housing 1. The side of the impeller body 4 is spaced apart from the inner wall of the impeller housing 1. The impeller housing 1 is also provided with an inlet 7 for suctioning the liquid medicine and an outlet 5 for stirring the liquid medicine, which are connected to its inner cavity.

[0039] In the existing design, the suction and stirring mechanism consists of a base and a cover to form an assembly space. The impeller body is then assembled in this space. The through hole under the base is only for the motor drive shaft to pass through. It is fixed and sealed with bolts. The gap between the impeller body and the assembly space is very narrow. An auxiliary stirring blade is also required below the motor drive shaft to achieve stirring of the liquid medicine.

[0040] In actual long-term use, when the pumped liquid contains solid particles, fibers, or impurities, the impeller and flow channels of the impeller pump are prone to blockage, leading to decreased pump performance or even malfunction. This is especially true for enclosed impellers, whose closed design results in a small internal space. Large particles can easily become stuck between the impeller and the pump casing; long fibers are even more likely to become entangled on the blades within the enclosed space, creating a "shaft-wrap" phenomenon that can, in severe cases, cause the impeller to seize up. Furthermore, when pumping liquids containing solid particles, the impeller is subjected to erosion and wear from these particles, causing the blades to thin and deform, thus affecting pump performance. After long-term operation, the impeller may require frequent replacement, increasing maintenance costs and downtime.

[0041] In this application, a structure with an open back cover is adopted to eliminate liquid stagnation areas, avoid blockage problems caused by media precipitation and crystallization, and reduce the frequency of downtime maintenance. Specifically, an inlet 7 for drawing in liquid and an outlet 5 for stirring liquid are respectively opened on the impeller housing. The impeller body 4 is assembled at intervals on the inner wall of the inner cavity of the impeller housing. During use, the impeller body 4 rotates to create a negative pressure environment in the inner cavity, thereby drawing in the liquid. The drawn-in liquid is then discharged through a conduit. The open structure can effectively solve the above problems.

[0042] Furthermore, in this application, during the rotation of the impeller body, most of the liquid medicine is discharged from the conduit for delivery, while the remaining liquid medicine is at the bottom and flows out from the outlet 5, creating turbulence to agitate the liquid medicine. Thus, the pump in this application can achieve both suction and agitation of the liquid medicine through its suction and agitation mechanism. This eliminates the need for an auxiliary agitator on the motor drive shaft. Traditional integrated suction and agitation impeller pumps require two separate structures: an agitator and an impeller. This patent, through optimized impeller design, achieves efficient fluid delivery and liquid splashing directly through impeller rotation, eliminating the need for an agitator assembly, reducing the number of parts, and optimizing the product structure.

[0043] In a preferred embodiment of this utility model, the impeller body 4 can generally be an existing water pump impeller, which generally includes a base. The center of the base has a through hole adapted to the drive shaft of the motor. Multiple blades are evenly distributed on one side of the base with the through hole as the center. This can better deliver the required liquid to the guide tube and facilitate stirring of the liquid in the internal cavity of the impeller housing. It can also create a negative pressure environment to draw the liquid into the internal cavity.

[0044] In a preferred embodiment of the present invention, the liquid inlet 7 is provided on the side of the impeller housing 1 facing the blades of the impeller body 4; the liquid outlet 5 is provided on the side of the impeller housing 1 facing the back plate of the impeller body 4 and / or the side of the impeller housing 1.

[0045] In the above scheme, the blades of the impeller body 4 rotate to create a negative pressure environment inside the impeller housing 1, thereby drawing the liquid medicine into the interior. Through rotation, most of the liquid medicine is sprayed out from the conduit, while some of the liquid medicine leaks down from the gap between the impeller body 4 and the impeller housing 1 and then comes out from the outlet 5 to form turbulence and stir the liquid medicine. The outlet 5 can be located on the back plate of the impeller housing 1 facing the impeller body 4, or on the side of the impeller housing 1, or both, to allow excess liquid medicine to leak out. The location of the outlet 5 can be adjusted according to the overall installation method of the single impeller stirring pump.

[0046] like Figure 1-4 As shown, in a preferred embodiment of the present invention, the impeller housing is a split structure, wherein the impeller housing includes a detachable cover 1 and a bottom shell 2 assembled together.

[0047] In the above scheme, the impeller housing 1 is a split design, and the cover 1 and the bottom shell 2 are fixed together by screws, forming an internal cavity for assembling the impeller body. Under this structure, the single impeller stirring and suction pump of this application is completely immersed in the liquid tank for use.

[0048] The liquid inlet 7 can be located on the cover 1, while the liquid outlet 5 is located at the bottom of the bottom shell 2, or on the side of the cover 1 or the bottom shell 2; of course, the liquid inlet 7 can also be located on the bottom shell 2, in which case the liquid outlet 5 is located on the cover 1.

[0049] like Figure 9-10 As shown, in another embodiment, the impeller housing 1 is an integral structure. The impeller housing 1 is inside the liquid tank and is assembled on the inner side of the tank. The motor is located on the outer side of the tank. The drive shaft of the motor extends into the tank and connects to the center of the impeller body. A sealing ring is provided between the motor and the tank. In this case, the inside of the impeller housing directly forms a cavity for assembling the impeller body. The top and bottom of the cavity are open.

[0050] In a preferred embodiment of this utility model, the inner wall of the impeller housing is further provided with a jet port, and the jet port is connected to a conduit 8 for discharging liquid medicine. The internal flow channel formed by the jet port and the conduit 8 is arranged along the tangential direction of the impeller body 4.

[0051] In the above scheme, the impeller body 4 rotates, and most of the inhaled liquid medicine is ejected from the jet port by centrifugal force and discharged through the conduit 8.

[0052] In a preferred embodiment of this utility model, the inner diameter of the internal flow channel gradually decreases along the direction away from the interior of the impeller housing 1.

[0053] In the above scheme, the conduit 8 is used to export the inhaled drug liquid. In order to improve the export efficiency and effect, the complex flow guiding structure of the traditional back cover is eliminated and a through flow channel with a gradually changing aperture is adopted. Specifically, the inner diameter of the conduit 8 is set to gradually decrease along the direction away from the inside of the impeller housing.

[0054] In summary, the single-impeller agitation pump provided by this utility model overcomes the problems of easy clogging of the impeller and flow channel in existing impeller pumps, as well as the scouring and wear of the impeller by particles. Furthermore, it achieves both suction and agitation of the liquid medicine through a single impeller.

[0055] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details of the above embodiments. Within the scope of the technical concept of the present invention, various simple modifications can be made to the technical solution of the present invention, and these simple modifications all fall within the protection scope of the present invention.

[0056] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable way without contradiction. In order to avoid unnecessary repetition, this utility model will not describe the various possible combinations separately.

[0057] Furthermore, various different embodiments of this utility model can be combined in any way, as long as they do not violate the spirit of this utility model, they should also be regarded as the content disclosed by this utility model.

Claims

1. A single-impeller agitator pump, comprising a motor (6), characterized in that, The single-impeller agitator pump further includes: a suction and agitation mechanism for drawing and agitating the pharmaceutical agent; wherein... The suction and stirring mechanism includes: an impeller housing (1) and an impeller body (4) rotatably disposed inside the impeller housing (1). The side of the impeller body (4) is spaced apart from the inner wall of the impeller housing (1). The impeller housing (1) is also provided with an inlet (7) for suctioning the liquid and an outlet (5) for stirring the liquid, which are connected to its inner cavity.

2. The single-impeller agitator pump according to claim 1, characterized in that, The impeller housing (1) has the liquid inlet (7) on the blade side facing the impeller body (4); the impeller housing (1) has the liquid outlet (5) on the back plate side facing the impeller body (4) and / or the side of the impeller housing (1).

3. The single-impeller agitator pump according to claim 1, characterized in that, The impeller housing (1) is a split structure; wherein, The impeller housing (1) includes a detachable casing (101) and a bottom casing (102) assembled together, and the impeller body (4) is rotatably disposed in the cavity formed by the casing (101) and the bottom casing (102).

4. The single-impeller agitator pump according to claim 1, characterized in that, The impeller housing (1) is an integral structure, and the interior of the impeller housing (1) has an inner cavity for assembling the impeller body.

5. The single-impeller agitator pump according to claim 1, characterized in that, The inner wall of the impeller housing is also provided with a jet port, and the jet port is connected to a conduit (8) for discharging the liquid medicine.

6. The single-impeller agitator pump according to claim 5, characterized in that, The internal flow channel formed by the jet port and the duct (8) is arranged along the tangential direction of the impeller body (4).

7. The single-impeller agitator pump according to claim 6, characterized in that, The inner diameter of the internal flow channel gradually decreases along the direction away from the interior of the impeller housing (1).

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