WO2022048434A1 - Shielding sleeve assembly used for canned motor pump - Google Patents

Shielding sleeve assembly used for canned motor pump Download PDF

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Publication number
WO2022048434A1
WO2022048434A1 PCT/CN2021/112948 CN2021112948W WO2022048434A1 WO 2022048434 A1 WO2022048434 A1 WO 2022048434A1 CN 2021112948 W CN2021112948 W CN 2021112948W WO 2022048434 A1 WO2022048434 A1 WO 2022048434A1
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WIPO (PCT)
Prior art keywords
shielding
top cover
sleeve assembly
cover
shielding body
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PCT/CN2021/112948
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French (fr)
Chinese (zh)
Inventor
林发明
黄河
陈云军
邵玉江
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大福泵业有限公司
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Publication of WO2022048434A1 publication Critical patent/WO2022048434A1/en

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/02Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for suppression of electromagnetic interference

Definitions

  • the invention belongs to the technical field of canned pump accessories, and relates to a shielded sleeve assembly for a canned pump.
  • the motor-driven pump assembly is provided with a shielding sleeve between the rotor of the motor and the stator, which can be used for sealing the stator assembly and also for accommodating the rotor assembly.
  • Most of the shielding sleeves in the prior art are assembled and formed stainless steel shielding sleeves. During long-term use, the tightness of the joint cannot be guaranteed, and at the same time, some materials at the joint increase relatively, thereby increasing the production cost.
  • the purpose of the present invention is to solve the above problems existing in the prior art, and to provide a shielding sleeve assembly with a simple structure and reduced production cost.
  • a shielding sleeve assembly for a shielding pump characterized in that it includes a shielding body and a shielding cover spliced with it, the end of the shielding body away from the shielding cover is provided with An integrally formed and hollow top cover, the inner end of the top cover is provided with a bearing seat which is fixedly connected with and coaxially arranged with the top cover.
  • the inner peripheral wall of the top cover is in a multi-stage stepped shape, the inner diameter of the top cover gradually decreases from the inside to the outside, and the top cover is located at the connection of the stepped surface. Rounded corners are provided everywhere.
  • the top cover is provided with a hollow annular portion extending axially inward on the stepped surface of the outer end, and the outer peripheral wall of the annular portion is tapered. structure, and the connection between the annular part and the top cover is provided with rounded corners.
  • the middle portion of the shielding cover is provided with a convex portion that protrudes axially toward the shielding body and is hollow, and the cross-section of the convex portion is a truncated cone.
  • the middle part of the protruding part is provided with a protruding ring part which is axially protruded and extends into the shielding body, the protruding ring part and the protruding part are coaxially arranged, and the protruding ring part and the protruding part are arranged coaxially.
  • a rounded corner is provided at the connection of the convex ring portion, and a sealing ring sleeved on the convex ring portion and used to strengthen the sealing is arranged between the outer peripheral wall of the convex ring portion and the inner peripheral wall of the corresponding shielding body.
  • the shielding sleeve assembly for the canned pump has the following advantages:
  • the bearing seat, the arrangement of the above structure, the top cover and the shielding body are integrally arranged, compared with the traditional shielding sleeve assembly, the consumption of part of the material is reduced, the overall structure is simple, and it is easy to disassemble and replace;
  • the middle part of the shielding cover is provided with a convex part that protrudes axially toward the shielding body and is hollow.
  • the cross section of the convex part is in the shape of a cone, and the middle part of the convex part is provided with an axial convexity and extends into the shielding body.
  • the inner convex ring part, the convex ring part and the convex part are arranged coaxially, and the connection between the convex ring part and the convex part is provided with a rounded corner, and the outer peripheral wall of the convex ring part corresponds to the Between the inner peripheral walls of the shielding main body, there is a sealing ring sleeved on the convex ring part and used to strengthen the sealing.
  • FIG. 1 is a disassembled three-dimensional schematic diagram of the shielding sleeve assembly for the shielding pump.
  • Fig. 2 is a disassembled cross-sectional structural schematic diagram of the shielding sleeve assembly for the shielding pump.
  • shielding body 2, shielding cover; 3, top cover; 4, bearing seat; 5, convex part; 6, convex ring part; 7, sealing ring; 8, annular part.
  • the shielding sleeve assembly for a canned pump includes a shielding body 1 and a shielding cover 2 spliced and assembled therewith.
  • the end of the shielding body 1 away from the shielding cover 2 is integrally formed with the shielding cover 2 and is hollow.
  • the top cover 3, the inner end of the top cover 3 is provided with a bearing seat 4 which is fixedly connected with it and coaxially arranged with it.
  • the middle of the shielding cover 2 is provided with a convex portion 5 that protrudes axially in the direction of the shielding body 1 and is hollow.
  • the middle of the raised portion 5 is provided with a raised portion 6 that is axially raised and protrudes into the shield body 1 .
  • the raised portion 6 and the raised portion 5 are coaxially arranged, and the raised portion 6 and the The connection of the raised portion 5 is provided with a rounded corner, and between the outer peripheral wall of the raised ring portion 6 and the inner peripheral wall of the corresponding shielding body 1 is a sealing ring sleeved on the raised ring portion 6 and used to enhance sealing performance 7.
  • the inner peripheral wall of the top cover 3 is in a multi-stage stepped shape, the inner diameter of the top cover 3 decreases step by step from the inside to the outside, and the top cover 3 is provided with rounded corners at the joints of the stepped surfaces.
  • the top cover 3 is provided with an annular portion 8 that extends axially inward and is hollow on the stepped surface of the outermost end.
  • the connection of 3 is provided with rounded corners.

Abstract

The present invention provides a shielding sleeve assembly used for a canned motor pump, belonging to the technical field of canned motor pump parts. The invention solves the problems of poor sealing of existing shielding sleeve assemblies and the many materials used in manufacturing. The present shielding sleeve assembly used for a canned motor pump comprises a shielding body and a shielding cover joined therewith, the shielding body being provided with a hollow top cover integrally formed at one end of the shielding body away from the shielding cover, and the inner end of the top cover being provided with a bearing seat fixedly connected thereto and arranged coaxially therewith. The present invention has good sealing and reduces some manufacturing materials.

Description

一种用于屏蔽泵的屏蔽套组件A shielding sleeve assembly for a canned pump 技术领域technical field
本发明属于屏蔽泵配件技术领域,涉及一种用于屏蔽泵的屏蔽套组件。The invention belongs to the technical field of canned pump accessories, and relates to a shielded sleeve assembly for a canned pump.
背景技术Background technique
电动机驱动的泵组件其电动机的转子与定子之间设有屏蔽套,可用于密封定子组件,也可用于容置转子组件。现有技术的屏蔽套大多为组装成型的不锈钢材质的屏蔽套,在长期使用过程中,无法保证连接处的密封性,同时连接处部分材料相对增加,从而加大生产成本。The motor-driven pump assembly is provided with a shielding sleeve between the rotor of the motor and the stator, which can be used for sealing the stator assembly and also for accommodating the rotor assembly. Most of the shielding sleeves in the prior art are assembled and formed stainless steel shielding sleeves. During long-term use, the tightness of the joint cannot be guaranteed, and at the same time, some materials at the joint increase relatively, thereby increasing the production cost.
发明内容SUMMARY OF THE INVENTION
本发明的目的是针对现有技术中存在的上述问题,提供了一种结构简单且降低生产成本的屏蔽套组件。The purpose of the present invention is to solve the above problems existing in the prior art, and to provide a shielding sleeve assembly with a simple structure and reduced production cost.
本发明的目的可通过下列技术方案来实现:一种用于屏蔽泵的屏蔽套组件,其特征在于,包括屏蔽主体以及与其拼接的屏蔽盖,所述的屏蔽主体远离屏蔽盖的一端设置有与其一体成型且呈中空设置的顶盖,所述的顶盖的内端上设置有与其相固连且与其同轴设置的轴承座。The object of the present invention can be achieved through the following technical solutions: a shielding sleeve assembly for a shielding pump, characterized in that it includes a shielding body and a shielding cover spliced with it, the end of the shielding body away from the shielding cover is provided with An integrally formed and hollow top cover, the inner end of the top cover is provided with a bearing seat which is fixedly connected with and coaxially arranged with the top cover.
在上述的一种用于屏蔽泵的屏蔽套组件中,所述的顶盖的内周壁呈多级阶梯状,该顶盖的内径由内向外逐级递减,且该顶盖位于阶梯面的连接处均设置有倒圆角。In the above-mentioned shielding sleeve assembly for a canned pump, the inner peripheral wall of the top cover is in a multi-stage stepped shape, the inner diameter of the top cover gradually decreases from the inside to the outside, and the top cover is located at the connection of the stepped surface. Rounded corners are provided everywhere.
在上述的一种用于屏蔽泵的屏蔽套组件中,所述的顶盖位于外端的阶梯面上设置有轴向向内延伸且呈中空状的环形部,该环形部的外周壁呈锥形结构,且该环形部与顶盖的连接处设置有倒圆角。In the above-mentioned shielding sleeve assembly for a canned pump, the top cover is provided with a hollow annular portion extending axially inward on the stepped surface of the outer end, and the outer peripheral wall of the annular portion is tapered. structure, and the connection between the annular part and the top cover is provided with rounded corners.
在上述的一种用于屏蔽泵的屏蔽套组件中,所述的屏蔽盖中部设置有轴向向屏蔽主体凸起且呈中空设置的凸起部,该凸起部的横截面呈锥台形,所述的凸起部中部设置有轴向凸起且伸入屏蔽主体内的凸环部,该凸环部与所述凸起部呈同轴设置,且该凸环部与所述凸起部的连接处设置有倒圆角,所述的凸环部的外周壁与相对应屏蔽主体的内周壁之间设置有套设于凸环部上且用于加强密封性的密封圈。In the above-mentioned shielding sleeve assembly for a shielding pump, the middle portion of the shielding cover is provided with a convex portion that protrudes axially toward the shielding body and is hollow, and the cross-section of the convex portion is a truncated cone. The middle part of the protruding part is provided with a protruding ring part which is axially protruded and extends into the shielding body, the protruding ring part and the protruding part are coaxially arranged, and the protruding ring part and the protruding part are arranged coaxially. A rounded corner is provided at the connection of the convex ring portion, and a sealing ring sleeved on the convex ring portion and used to strengthen the sealing is arranged between the outer peripheral wall of the convex ring portion and the inner peripheral wall of the corresponding shielding body.
与现有技术相比,本用于屏蔽泵的屏蔽套组件具有以下优点:Compared with the prior art, the shielding sleeve assembly for the canned pump has the following advantages:
1、包括屏蔽主体以及与其拼接的屏蔽盖,屏蔽主体远离屏蔽盖的一端设置有与其一体成型且呈中空设置的顶盖,顶盖的内端上设置有与其相固连且与其同轴设置的轴承座,上述结构的设置,使顶盖与屏蔽主体为一体设置而成,相对于传统的屏蔽套组件,降低了部分材料 的消耗,使其整体结构简单,同时便于其拆装更换;1. It includes a shielding body and a shielding cover spliced with it. One end of the shielding body away from the shielding cover is provided with a top cover integrally formed with it and arranged in a hollow shape. The bearing seat, the arrangement of the above structure, the top cover and the shielding body are integrally arranged, compared with the traditional shielding sleeve assembly, the consumption of part of the material is reduced, the overall structure is simple, and it is easy to disassemble and replace;
2、屏蔽盖中部设置有轴向向屏蔽主体方向凸起且呈中空设置的凸起部,该凸起部的横截面呈锥台形,凸起部中部设置有轴向凸起且伸入屏蔽主体内的凸环部,该凸环部与所述凸起部呈同轴设置,且该凸环部与所述凸起部的连接处设置有倒圆角,凸环部的外周壁与相对应屏蔽主体的内周壁之间设置有套设于凸环部上且用于加强密封性的密封圈,上述结构的设置,保证其其组装后连接处的密封性,同时也便于屏蔽套拆出。2. The middle part of the shielding cover is provided with a convex part that protrudes axially toward the shielding body and is hollow. The cross section of the convex part is in the shape of a cone, and the middle part of the convex part is provided with an axial convexity and extends into the shielding body. The inner convex ring part, the convex ring part and the convex part are arranged coaxially, and the connection between the convex ring part and the convex part is provided with a rounded corner, and the outer peripheral wall of the convex ring part corresponds to the Between the inner peripheral walls of the shielding main body, there is a sealing ring sleeved on the convex ring part and used to strengthen the sealing.
附图说明Description of drawings
图1是本用于屏蔽泵的屏蔽套组件中的拆开后的立体结构示意图。FIG. 1 is a disassembled three-dimensional schematic diagram of the shielding sleeve assembly for the shielding pump.
图2是本用于屏蔽泵的屏蔽套组件中的拆开后的剖视结构示意图。Fig. 2 is a disassembled cross-sectional structural schematic diagram of the shielding sleeve assembly for the shielding pump.
图中,1、屏蔽主体;2、屏蔽盖;3、顶盖;4、轴承座;5、凸起部;6、凸环部;7、密封圈;8、环形部。In the figure, 1, shielding body; 2, shielding cover; 3, top cover; 4, bearing seat; 5, convex part; 6, convex ring part; 7, sealing ring; 8, annular part.
具体实施方式detailed description
以下是本发明的具体实施例并结合附图,对本发明的技术方案作进一步的描述,但本发明并不限于这些实施例。The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.
如图1、图2所示,本用于屏蔽泵的屏蔽套组件,包括屏蔽主体1以及与其拼接组装的屏蔽盖2,屏蔽主体1远离屏蔽盖2的一端设置有与其一体成型且呈中空设置的顶盖3,顶盖3的内端上设置有与其相固连且与其同轴设置的轴承座4,该轴承座4可与顶盖3为一体设置而成,也可通过焊接与其相固连,屏蔽盖2中部设置有轴向向屏蔽主体1方向凸起且呈中空设置的凸起部5,该凸起部5的横截面呈锥台形,并与屏蔽盖2相配合形成环形槽,凸起部5中部设置有轴向凸起且伸入屏蔽主体1内的凸环部6,该凸环部6与所述凸起部5呈同轴设置,且该凸环部6与所述凸起部5的连接处设置有倒圆角,凸环部6的外周壁与相对应屏蔽主体1的内周壁之间设置有套设于凸环部6上且用于加强密封性的密封圈7。As shown in Figures 1 and 2, the shielding sleeve assembly for a canned pump includes a shielding body 1 and a shielding cover 2 spliced and assembled therewith. The end of the shielding body 1 away from the shielding cover 2 is integrally formed with the shielding cover 2 and is hollow. The top cover 3, the inner end of the top cover 3 is provided with a bearing seat 4 which is fixedly connected with it and coaxially arranged with it. The middle of the shielding cover 2 is provided with a convex portion 5 that protrudes axially in the direction of the shielding body 1 and is hollow. The middle of the raised portion 5 is provided with a raised portion 6 that is axially raised and protrudes into the shield body 1 . The raised portion 6 and the raised portion 5 are coaxially arranged, and the raised portion 6 and the The connection of the raised portion 5 is provided with a rounded corner, and between the outer peripheral wall of the raised ring portion 6 and the inner peripheral wall of the corresponding shielding body 1 is a sealing ring sleeved on the raised ring portion 6 and used to enhance sealing performance 7.
作为优选结构,顶盖3的内周壁呈多级阶梯状,该顶盖3的内径由内向外逐级递减,且该顶盖3位于阶梯面的连接处均设置有倒圆角。As a preferred structure, the inner peripheral wall of the top cover 3 is in a multi-stage stepped shape, the inner diameter of the top cover 3 decreases step by step from the inside to the outside, and the top cover 3 is provided with rounded corners at the joints of the stepped surfaces.
作为优选结构,顶盖3位于最外端的阶梯面上设置有轴向向内延伸且呈中空状的环形部8,该环形部8的外周壁呈锥形结构,且该环形部8与顶盖3的连接处设置有倒圆角。As a preferred structure, the top cover 3 is provided with an annular portion 8 that extends axially inward and is hollow on the stepped surface of the outermost end. The connection of 3 is provided with rounded corners.
本文中所描述的具体实施例仅仅是对本发明精神作举例说明。本发明所属技术领域的技术人员可以对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代,但并不会偏离本发明的精神或者超越所附权利要求书所定义的范围。The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which the present invention pertains can make various modifications or additions to the described specific embodiments or substitute in similar manners, but will not deviate from the spirit of the present invention or go beyond the definition of the appended claims range.

Claims (4)

  1. 一种用于屏蔽泵的屏蔽套组件,其特征在于,包括屏蔽主体(1)以及与其拼接的屏蔽盖(2),所述的屏蔽主体(1)远离屏蔽盖(2)的一端设置有与其一体成型且呈中空设置的顶盖(3),所述的顶盖(3)的内端上设置有与其相固连且与其同轴设置的轴承座(4)。A shielding sleeve assembly for a shielding pump, characterized in that it comprises a shielding body (1) and a shielding cover (2) spliced with the shielding body (1), wherein one end of the shielding body (1) away from the shielding cover (2) is provided with a shielding cover (2). A top cover (3) which is integrally formed and provided in a hollow shape is provided on the inner end of the top cover (3) with a bearing seat (4) which is fixedly connected with and coaxially arranged with the top cover (3).
  2. 根据权利要求1所述的一种用于屏蔽泵的屏蔽套组件,其特征在于,所述的顶盖(3)的内周壁呈多级阶梯状,该顶盖(3)的内径由内向外逐级递减,且该顶盖(3)位于阶梯面的连接处均设置有倒圆角。A shielding sleeve assembly for a canned pump according to claim 1, characterized in that the inner peripheral wall of the top cover (3) is in a multi-step stepped shape, and the inner diameter of the top cover (3) is from the inside to the outside Decrease step by step, and the top cover (3) is provided with rounded corners at the joints of the stepped surfaces.
  3. 根据权利要求2所述的一种用于屏蔽泵的屏蔽套组件,其特征在于,所述的顶盖(3)位于外端的阶梯面上设置有轴向向内延伸且呈中空状的环形部(8),该环形部(8)的外周壁呈锥形结构,且该环形部(8)与顶盖(3)的连接处设置有倒圆角。A shielding sleeve assembly for a canned pump according to claim 2, wherein the top cover (3) is provided with a hollow annular portion extending axially inward on the stepped surface of the outer end. (8), the outer peripheral wall of the annular portion (8) has a tapered structure, and the connection between the annular portion (8) and the top cover (3) is provided with a rounded corner.
  4. 根据权利要求1所述的一种用于屏蔽泵的屏蔽套组件,其特征在于,所述的屏蔽盖(2)中部设置有轴向向屏蔽主体(1)凸起且呈中空设置的凸起部(5),该凸起部(5)的横截面呈锥台形,所述的凸起部(5)中部设置有轴向凸起且伸入屏蔽主体(1)内的凸环部(6),该凸环部(6)与所述凸起部(5)呈同轴设置,且该凸环部(6)与所述凸起部(5)的连接处设置有倒圆角,所述的凸环部(6)的外周壁与相对应屏蔽主体(1)的内周壁之间设置有套设于凸环部(6)上且用于加强密封性的密封圈(7)。A shielding sleeve assembly for a shielding pump according to claim 1, characterized in that, a hollow protrusion is arranged in the middle of the shielding cover (2) and protrudes axially toward the shielding body (1). part (5), the cross section of the raised part (5) is in the shape of a truncated cone, and the middle part of the raised part (5) is provided with a convex ring part (6) which is axially raised and protrudes into the shielding body (1). ), the convex ring part (6) and the convex part (5) are arranged coaxially, and the connection between the convex ring part (6) and the convex part (5) is provided with rounded corners, so Between the outer peripheral wall of the raised ring portion (6) and the inner peripheral wall of the corresponding shielding body (1), a sealing ring (7) sleeved on the raised ring portion (6) and used for enhancing sealing is provided.
PCT/CN2021/112948 2020-09-01 2021-08-17 Shielding sleeve assembly used for canned motor pump WO2022048434A1 (en)

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CN202010904945.1A CN111969795A (en) 2020-09-01 2020-09-01 Shielding sleeve assembly for shielding pump
CN202010904945.1 2020-09-01

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WO2022048434A1 true WO2022048434A1 (en) 2022-03-10

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111969795A (en) * 2020-09-01 2020-11-20 大福泵业有限公司 Shielding sleeve assembly for shielding pump

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008271701A (en) * 2007-04-20 2008-11-06 Matsushita Electric Ind Co Ltd Motor
CN204886605U (en) * 2015-09-09 2015-12-16 上海澎阳太阳能泵业有限公司 Housing welded structure of canned motor pump
CN205937230U (en) * 2016-08-25 2017-02-08 浙江威格泵业有限公司 A shielding cover
CN207297391U (en) * 2017-09-29 2018-05-01 大连环友屏蔽泵有限公司 The dismountable canned motor pump of stator can
CN111969795A (en) * 2020-09-01 2020-11-20 大福泵业有限公司 Shielding sleeve assembly for shielding pump

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008271701A (en) * 2007-04-20 2008-11-06 Matsushita Electric Ind Co Ltd Motor
CN204886605U (en) * 2015-09-09 2015-12-16 上海澎阳太阳能泵业有限公司 Housing welded structure of canned motor pump
CN205937230U (en) * 2016-08-25 2017-02-08 浙江威格泵业有限公司 A shielding cover
CN207297391U (en) * 2017-09-29 2018-05-01 大连环友屏蔽泵有限公司 The dismountable canned motor pump of stator can
CN111969795A (en) * 2020-09-01 2020-11-20 大福泵业有限公司 Shielding sleeve assembly for shielding pump

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