WO2020244024A1 - Combined eccentric impeller - Google Patents

Combined eccentric impeller Download PDF

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Publication number
WO2020244024A1
WO2020244024A1 PCT/CN2019/095587 CN2019095587W WO2020244024A1 WO 2020244024 A1 WO2020244024 A1 WO 2020244024A1 CN 2019095587 W CN2019095587 W CN 2019095587W WO 2020244024 A1 WO2020244024 A1 WO 2020244024A1
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WO
WIPO (PCT)
Prior art keywords
impeller
blades
cover plate
blade
sleeve
Prior art date
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PCT/CN2019/095587
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French (fr)
Chinese (zh)
Inventor
张腾龙
Original Assignee
苏州赫尔拜斯泵业有限公司
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Publication date
Priority claimed from CN201920846666.7 external-priority
Application filed by 苏州赫尔拜斯泵业有限公司 filed Critical 苏州赫尔拜斯泵业有限公司
Publication of WO2020244024A1 publication Critical patent/WO2020244024A1/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/18Rotors
    • F04D29/22Rotors specially for centrifugal pumps
    • F04D29/2205Conventional flow pattern
    • F04D29/2222Construction and assembly
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/18Rotors
    • F04D29/22Rotors specially for centrifugal pumps
    • F04D29/24Vanes
    • F04D29/247Vanes elastic or self-adjusting
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00Function
    • F05D2260/30Retaining components in desired mutual position
    • F05D2260/36Retaining components in desired mutual position by a form fit connection, e.g. by interlocking

Abstract

A combined eccentric impeller, comprising an impeller shaft sleeve (1), several vanes (2), and at least one cover plate (3). The impeller shaft sleeve (1) is sleeved on a pump shaft. The vanes (2) are mounted on the periphery of the impeller shaft sleeve (1), and all vanes (2) are uniformly arranged on the periphery of the impeller shaft sleeve (1). The cover plate (3) is fixedly connected to one end of the impeller shaft sleeve (1) and covers the vanes (2). An insertion portion (21) is provided on one end of the vane (2). The cross-section of the insertion portion (21) is triangular. A slot (11) for allowing the insertion portion (21) to insert is provided on the side wall of the impeller shaft sleeve (1). Several strip-shaped limiting grooves (31) are provided at the side of the cover plate (3) facing the vane (2). The other end of the vane (2) is arranged in the limiting groove (31).

Description

组合式离心叶轮Combined centrifugal impeller 技术领域Technical field
本实用新型属于水泵技术领域,特别是涉及一种水泵的叶轮。The utility model belongs to the technical field of water pumps, in particular to an impeller of a water pump.
背景技术Background technique
叶轮式泵是通过工作叶轮带动液体高速转动,把机械能传递给液体,从而达到输送液体的目的,叶轮式泵包括旋涡式和离心式等,其中,离心泵是利用叶轮旋转而使水发生离心运动来工作的,离心泵在启动前,必须使泵壳和吸水管内充满水,然后启动电机,使泵轴带动叶轮和水做高速旋转运动,水发生离心运动,被甩向叶轮外缘,经泵壳的流道流入水泵的压水管路,而离心泵的扬程也跟叶轮的叶片出射角度有关,现有技术中的叶轮的出射角度都是固定的,而且若是需要更换叶轮必须得整个更换,成本很高。Impeller pumps use the working impeller to drive the liquid to rotate at a high speed and transfer mechanical energy to the liquid to achieve the purpose of conveying the liquid. Impeller pumps include vortex and centrifugal types. Among them, centrifugal pumps use the impeller to rotate to make water produce centrifugal movement. To work, before starting the centrifugal pump, the pump casing and suction pipe must be filled with water, and then the motor is started, so that the pump shaft drives the impeller and water to make high-speed rotation. The water generates centrifugal movement and is thrown to the outer edge of the impeller. The flow channel of the casing flows into the pressurized water pipeline of the water pump, and the head of the centrifugal pump is also related to the exit angle of the impeller blades. The exit angle of the impeller in the prior art is fixed, and if the impeller needs to be replaced, the entire impeller must be replaced. Very high.
实用新型内容Utility model content
本实用新型主要解决的技术问题是提供一种组合式离心叶轮,叶轮的叶片通过插接部可拆卸安装于叶轮轴套,更换时可根据需求单独更换叶片,降低成本,叶轮的盖板具有若干限位槽,叶片的伸出端可根据需求置于不同的限位槽,从而能够改变叶轮叶片的出射角度,从而能够调节离心泵的扬程。The main technical problem solved by the utility model is to provide a combined centrifugal impeller. The blades of the impeller can be detachably installed on the impeller shaft sleeve through the plug-in part. When replacing, the blades can be replaced separately according to the demand, which reduces the cost. The impeller cover has several Limiting grooves, the protruding ends of the blades can be placed in different limiting grooves according to requirements, so that the exit angle of the impeller blades can be changed, and the lift of the centrifugal pump can be adjusted.
为解决上述技术问题,本实用新型的采用的一个技术方案如下:In order to solve the above technical problems, a technical solution adopted by the present utility model is as follows:
一种组合式离心叶轮,包括叶轮轴套、若干叶片和至少一个盖板,所述叶轮轴套套接于泵轴,所述叶片安装于所述叶轮轴套的外周,且所有所述叶片沿所述叶轮轴套的外周均布,所述盖板固定连接于所述叶轮轴套的一端并覆盖所述叶片;A combined centrifugal impeller includes an impeller shaft sleeve, a plurality of blades and at least one cover plate. The impeller shaft sleeve is sleeved on the pump shaft. The blades are installed on the outer periphery of the impeller shaft sleeve. The outer circumference of the impeller sleeve is uniformly distributed, and the cover plate is fixedly connected to one end of the impeller sleeve and covers the blades;
所述叶片的一端设有插接部,所述插接部的截面为三角形,所述叶轮轴套的侧壁具有供所述插接部插入的插槽,所述盖板朝向所述叶片的一侧具有若干条形的限位槽,所述叶片的另一端置于所述限位槽内,通过将所述叶片的另一端插入不同的所述限位槽,从而改变所述叶片的出射角的角度。One end of the blade is provided with a plug-in part, the cross-section of the plug-in part is triangular, the side wall of the impeller shaft sleeve has a slot for the plug-in part to be inserted, and the cover plate faces the blade One side has several strip-shaped limiting slots, the other end of the blade is placed in the limiting slot, and the other end of the blade is inserted into a different limiting slot to change the ejection of the blade Angle of angle.
进一步地说,所述限位槽的数量为所述叶片数量的2倍或3倍。Furthermore, the number of the limiting grooves is 2 or 3 times the number of the blades.
进一步地说,所述盖板设有2个,2个所述盖板分别固定连接于所述叶轮轴套的两端。Furthermore, there are two cover plates, and the two cover plates are respectively fixedly connected to both ends of the impeller shaft sleeve.
进一步地说,所述叶片设有12个,每个所述盖板上的所述限位槽设有24个。Furthermore, there are 12 blades, and 24 limiting slots on each cover plate.
进一步地说,所述盖板通过螺钉固定安装于所述叶轮轴套。Furthermore, the cover plate is fixedly installed on the impeller sleeve by screws.
进一步地说,所述叶片为铝制叶片或不锈钢叶片。Furthermore, the blades are aluminum blades or stainless steel blades.
进一步地说,所述插接部的截面为等腰三角形,所述等腰三角形的顶角的角度为15°-30°。Furthermore, the cross section of the plug-in part is an isosceles triangle, and the angle of the apex angle of the isosceles triangle is 15°-30°.
进一步地说,所述盖板朝向所述叶片的一侧设有凸台,所述凸台位于所述盖板的边缘且沿盖板的整圈设置,所述限位槽设于所述凸台。Further, the cover plate is provided with a boss on the side facing the blade, the boss is located on the edge of the cover plate and is arranged along the entire circle of the cover plate, and the limit groove is provided on the boss. station.
进一步地说,所述凸台与所述盖板为一体结构或分体安装结构。Furthermore, the boss and the cover are an integral structure or a separate installation structure.
本实用新型的有益效果:The beneficial effects of the utility model:
本实用新型的叶轮,其叶片通过插接部可拆卸安装于叶轮轴套,更换时可根据需求单独更换叶片,降低成本,叶轮的盖板具有若干限位槽,叶片的伸出端可根据需求置于不同的限位槽,从而能够改变叶轮叶片的出射角度,从而能够调节离心泵的扬程;In the impeller of the utility model, the blades are detachably installed on the impeller shaft sleeve through the plug-in part, and the blades can be replaced separately according to the requirements during replacement, which reduces the cost. The cover plate of the impeller has several limit grooves, and the extension ends of the blades can be changed according to requirements. Placed in different limit slots, so that the exit angle of the impeller blades can be changed, so that the head of the centrifugal pump can be adjusted;
本实用新型的叶片,其插接部的截面为等腰三角形,所述等腰三角形的顶角的角度为15°-30°,三角形的结构使叶片在离心力的作用下与叶轮轴套能够卡合的越来越紧,提高叶轮的组合精密度,提高叶轮的使用寿命。The blade of the utility model has an isosceles triangle in the cross section of the inserting part, and the angle of the apex of the isosceles triangle is 15°-30°. The triangular structure enables the blade to be locked with the impeller sleeve under the action of centrifugal force. The combination becomes tighter and tighter, improving the precision of the impeller combination and improving the service life of the impeller.
上述说明仅是本实用新型技术方案的概述,为了能够更清楚了解本实用新型的技术手段,并可依照说明书的内容予以实施,以下以本实用新型的较佳实施例并配合附图详细说明如后。The above description is only an overview of the technical solution of the present invention. In order to have a clearer understanding of the technical means of the present invention and can be implemented in accordance with the content of the description, the following is a detailed description of the preferred embodiments of the present invention with accompanying drawings. Rear.
附图说明Description of the drawings
图1是本实用新型的叶轮的整体结构示意图;Figure 1 is a schematic diagram of the overall structure of the impeller of the present invention;
图2是本实用新型的叶轮的分解示意图;Figure 2 is an exploded schematic diagram of the impeller of the present invention;
图3是图2的A部视图;Figure 3 is a view of part A of Figure 2;
图4是图2的B部视图;Figure 4 is a view of part B of Figure 2;
图5是本实用新型的叶片安装示意图;Figure 5 is a schematic diagram of the blade installation of the utility model;
图6是本实用新型的叶片安装示意图(调整出射角安装);Figure 6 is a schematic diagram of the blade installation of the utility model (installation by adjusting the exit angle);
附图中各部分标记如下:The parts in the drawings are marked as follows:
叶轮轴套1、插槽11、叶片2、插接部21、盖板3、限位槽31和凸台32。The impeller shaft sleeve 1, the slot 11, the blade 2, the insertion part 21, the cover 3, the limiting groove 31 and the boss 32.
具体实施方式Detailed ways
下面结合附图对本实用新型的较佳实施例进行详细阐述,以使本实用新型的优点和特征能更易于被本领域技术人员理解,从而对本实用新型的保护范围做出更为清楚明确的界定。The preferred embodiments of the present utility model are described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, so as to make a clearer and clearer definition of the protection scope of the present utility model. .
实施例:一种组合式离心叶轮,如图1到图6所示:包括叶轮轴套1、若干叶片2和至少一个盖板3,所述叶轮轴套套接于泵轴,所述叶片安装于所述叶轮轴套的外周,且所有所述叶片沿所述叶轮轴套的外周均布,所述盖板固定连接于所述叶轮轴套的一端并覆盖所述叶片;Embodiment: A combined centrifugal impeller, as shown in Figures 1 to 6: comprising an impeller sleeve 1, a plurality of blades 2 and at least one cover 3, the impeller sleeve is sleeved on the pump shaft, and the blades are mounted on The outer circumference of the impeller sleeve, and all the blades are evenly distributed along the outer circumference of the impeller sleeve, and the cover plate is fixedly connected to one end of the impeller sleeve and covers the blades;
所述叶片的一端设有插接部21,所述插接部的截面为三角形,所述叶轮轴套的侧壁具有供所述插接部插入的插槽11,所述盖板朝向所述叶片的一侧具有若干条形的限位槽31,所述叶片的另一端置于所述限位槽内;One end of the blade is provided with a plug-in portion 21, the cross-section of the plug-in portion is triangular, the side wall of the impeller sleeve has a slot 11 for the plug-in portion to be inserted, and the cover plate faces the One side of the blade has a number of strip-shaped limiting grooves 31, and the other end of the blade is placed in the limiting groove;
如图5和图6所示:通过将所述叶片的另一端插入不同的所述限位槽,从而改变所述叶片的出射角的角度。As shown in Fig. 5 and Fig. 6, by inserting the other end of the blade into the different limiting slots, the angle of the exit angle of the blade is changed.
所述限位槽的数量为所述叶片数量的2倍或3倍。The number of the limiting slots is 2 or 3 times the number of the blades.
本实施例中,所述盖板设有2个,2个所述盖板分别固定连接于所述叶轮轴套的两端。In this embodiment, there are two cover plates, and the two cover plates are respectively fixedly connected to both ends of the impeller shaft sleeve.
本实施例作为最优方案,在具体实施时,所述叶片设有12个,每个所述盖板上的所述限位槽设有24个。As an optimal solution in this embodiment, in specific implementation, there are 12 blades, and 24 limit slots on each cover plate.
所述盖板通过螺钉固定安装于所述叶轮轴套。The cover plate is fixedly installed on the impeller shaft sleeve by screws.
所述叶片为铝制叶片或不锈钢叶片。The blades are aluminum blades or stainless steel blades.
所述插接部的截面为等腰三角形,所述等腰三角形的顶角的角度为15°-30°。The cross section of the plug-in part is an isosceles triangle, and the angle of the apex angle of the isosceles triangle is 15°-30°.
所述盖板朝向所述叶片的一侧设有凸台32,所述凸台位于所述盖板的边缘且沿盖板的整圈设置,所述限位槽设于所述凸台内。The side of the cover plate facing the blade is provided with a boss 32, the boss is located at the edge of the cover plate and is arranged along the entire circle of the cover plate, and the limiting groove is provided in the boss.
所述凸台与所述盖板为一体结构或分体安装结构。The boss and the cover are an integral structure or a separate installation structure.
本实施例中,所述凸台与所述盖板为一体结构。In this embodiment, the boss and the cover are an integral structure.
本实用新型的工作过程和工作原理如下:The working process and working principle of the utility model are as follows:
叶轮的叶片通过插接部可拆卸安装于叶轮轴套,更换时可根据需求单独更换叶片,降低成本,叶轮的盖板具有若干限位槽,叶片的伸出端可根据需求置于不同的限位槽,从而能够改变叶轮叶片的出射角度,从而能够调节离心泵的扬程;The blades of the impeller can be detachably installed on the impeller shaft sleeve through the plug-in part. When replacing, the blades can be replaced separately according to the needs to reduce costs. The cover plate of the impeller has several limit grooves, and the extension ends of the blades can be placed in different limits according to requirements. Position grooves, which can change the exit angle of the impeller blades, so as to adjust the head of the centrifugal pump;
叶片的插接部的截面为等腰三角形,所述等腰三角形的顶角的角度为15°-30°,三角形的结构使叶片在离心力的作用下与叶轮轴套能够卡合的越来越紧,提高叶轮的组合精密度,提高叶轮的使用寿命。The cross section of the inserting part of the blade is an isosceles triangle, and the angle of the apex of the isosceles triangle is 15°-30°. The triangular structure enables the blade to engage with the impeller sleeve more and more under the action of centrifugal force. Tightening, improve the precision of the combination of the impeller, and increase the service life of the impeller.
以上所述仅为本实用新型的实施例,并非因此限制本实用新型的专利范围,凡是利用本实用新型说明书及附图内容所作的等效结构变换,或直接或间接运用在其他相关的技术领域,均同理包括在本实用新型的专利保护范围内。The above are only the embodiments of the present utility model, and do not therefore limit the scope of the present utility model. Any equivalent structural transformation made using the content of the utility model description and drawings, or directly or indirectly applied to other related technical fields , The same reason is included in the scope of patent protection of this utility model.

Claims (9)

  1. 一种组合式离心叶轮,其特征在于:包括叶轮轴套(1)、若干叶片(2)和至少一个盖板(3),所述叶轮轴套套接于泵轴,所述叶片安装于所述叶轮轴套的外周,且所有所述叶片沿所述叶轮轴套的外周均布,所述盖板固定连接于所述叶轮轴套的一端并覆盖所述叶片;A combined centrifugal impeller, characterized in that it comprises an impeller shaft sleeve (1), a plurality of blades (2) and at least one cover plate (3). The impeller shaft sleeve is sleeved on the pump shaft, and the blades are mounted on the The outer circumference of the impeller sleeve, and all the blades are evenly distributed along the outer circumference of the impeller sleeve, and the cover plate is fixedly connected to one end of the impeller sleeve and covers the blades;
    所述叶片的一端设有插接部(21),所述插接部的截面为三角形,所述叶轮轴套的侧壁具有供所述插接部插入的插槽(11),所述盖板朝向所述叶片的一侧具有若干条形的限位槽(31),所述叶片的另一端置于所述限位槽内,通过将所述叶片的另一端插入不同的所述限位槽,从而改变所述叶片的出射角的角度。One end of the blade is provided with a plug-in portion (21), the cross-section of the plug-in portion is triangular, the side wall of the impeller sleeve has a slot (11) for the plug-in portion to be inserted, and the cover The side of the plate facing the blade has a number of strip-shaped limiting grooves (31), the other end of the blade is placed in the limiting groove, and the other end of the blade is inserted into different limiting grooves. Slot, thereby changing the angle of the exit angle of the blade.
  2. 根据权利要求1所述的组合式离心叶轮,其特征在于:所述限位槽的数量为所述叶片数量的2倍或3倍。The combined centrifugal impeller according to claim 1, wherein the number of the limiting slots is 2 or 3 times the number of the blades.
  3. 根据权利要求1所述的组合式离心叶轮,其特征在于:所述盖板设有2个,2个所述盖板分别固定连接于所述叶轮轴套的两端。The combined centrifugal impeller according to claim 1, wherein there are two cover plates, and the two cover plates are respectively fixedly connected to two ends of the impeller shaft sleeve.
  4. 根据权利要求2所述的组合式离心叶轮,其特征在于:所述叶片设有12个,每个所述盖板上的所述限位槽设有24个。The combined centrifugal impeller according to claim 2, characterized in that there are 12 blades, and 24 limit slots on each cover plate.
  5. 根据权利要求1或3所述的组合式离心叶轮,其特征在于:所述盖板通过螺钉固定安装于所述叶轮轴套。The combined centrifugal impeller according to claim 1 or 3, wherein the cover plate is fixedly mounted on the impeller sleeve by screws.
  6. 根据权利要求1所述的组合式离心叶轮,其特征在于:所述叶片为铝制叶片或不锈钢叶片。The combined centrifugal impeller according to claim 1, wherein the blades are aluminum blades or stainless steel blades.
  7. 根据权利要求1所述的组合式离心叶轮,其特征在于:所述插接部的截面为等腰三角形,所述等腰三角形的顶角的角度为15°-30°。The combined centrifugal impeller according to claim 1, wherein the cross section of the plug-in part is an isosceles triangle, and the angle of the apex angle of the isosceles triangle is 15°-30°.
  8. 根据权利要求1所述的组合式离心叶轮,其特征在于:所述盖板朝向所述叶片的一侧设有凸台,所述凸台位于所述盖板的边缘且沿盖板的整圈设置,所述限位槽设于所述凸台。The combined centrifugal impeller according to claim 1, characterized in that: the side of the cover plate facing the blade is provided with a boss, and the boss is located at the edge of the cover plate and runs along the entire circle of the cover plate. And the limit slot is provided on the boss.
  9. 根据权利要求8所述的组合式离心叶轮,其特征在于:所述凸台与所述盖板为一体结构或分体安装结构。The combined centrifugal impeller according to claim 8, wherein the boss and the cover are an integral structure or a separate installation structure.
PCT/CN2019/095587 2019-06-06 2019-07-11 Combined eccentric impeller WO2020244024A1 (en)

Applications Claiming Priority (2)

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CN201920846666.7U CN209976879U (en) 2019-06-06 2019-06-06 Combined centrifugal impeller
CN201920846666.7 2019-06-06

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WO2020244024A1 true WO2020244024A1 (en) 2020-12-10

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CN112727801A (en) * 2020-12-25 2021-04-30 福安市建达流体科技有限公司 High-strength water pump impeller convenient to replace

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Publication number Priority date Publication date Assignee Title
CN113090577A (en) * 2021-04-06 2021-07-09 江苏大学 Centrifugal pump impeller with adjustable blade outlet angle

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CN203248397U (en) * 2013-04-09 2013-10-23 长沙山水节能研究院有限公司 Centrifugal water pump with vanes capable of being adjusted online
CN104006001A (en) * 2014-05-29 2014-08-27 安徽银龙泵阀股份有限公司 Pump core with heating wires
CN204082645U (en) * 2014-09-15 2015-01-07 温岭市新动力机械有限公司 Half-opened impeller

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KR20120070234A (en) * 2010-12-21 2012-06-29 자동차부품연구원 A water pump of temperature response
CN203248397U (en) * 2013-04-09 2013-10-23 长沙山水节能研究院有限公司 Centrifugal water pump with vanes capable of being adjusted online
CN104006001A (en) * 2014-05-29 2014-08-27 安徽银龙泵阀股份有限公司 Pump core with heating wires
CN204082645U (en) * 2014-09-15 2015-01-07 温岭市新动力机械有限公司 Half-opened impeller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112727801A (en) * 2020-12-25 2021-04-30 福安市建达流体科技有限公司 High-strength water pump impeller convenient to replace

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