CN210599464U

CN210599464U - Assembly structure of motor and pump and motor and pump suitable for assembly structure

Info

Publication number: CN210599464U
Application number: CN201921510871.2U
Authority: CN
Inventors: 姚松保; 石绿瑞; 蔡荣辉
Original assignee: Zhejiang Nanyuan Pump Industry Co ltd
Current assignee: Nanyuan Pump Industry Co ltd
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-05-22
Anticipated expiration: 2029-09-11

Abstract

The utility model discloses an assembly structure of a motor and a pump and a motor and a pump suitable for the assembly structure, wherein the assembly structure comprises the motor and the pump, the pump is assembled at the power output end of the motor, the motor comprises a motor body and a motor end cover, and one end of the motor end cover is fixed on the motor body; the pump comprises a pump body, and an impeller is arranged in the pump body; one end of the pump body is provided with a sealing seat, the other end of the motor end cover is of a flange-shaped structure, the edge of one side, away from the motor body, of the flange-shaped structure is provided with an annular groove for fixing the sealing seat, and the depth of the annular groove is consistent with the thickness of the sealing seat; the pump body is assembled on the flange-shaped structure through the sealing seat; the output shaft comprises a first shaft section, a second shaft section and a third shaft section which are sequentially connected and integrally formed. The structure has simple assembly process, does not need to use a coupler, and shortens the overall size of the assembly structure.

Description

Assembly structure of motor and pump and motor and pump suitable for assembly structure

Technical Field

The utility model relates to an assembly structure of motor and pump, specific theory relates to an assembly structure of pump and motor and be applicable to this assembly structure's motor and pump.

Background

Generally, as shown in fig. 1, the assembly structure of the pump and the motor is as follows: the pump head 25 is fixed on the motor end cover 11 through a flange, the sealing seat 21 is installed, the coupler 24 is installed, the mechanical sealing part 22 is installed after the position of the coupler 24 is determined, and finally the pump body with the impeller 23 is installed on the pump head. Therefore, the installation position of the mechanical seal member 22 must be determined by adjusting the position of the coupling 24, which results in a complicated assembly process between the pump body and the motor, which is not favorable for improving the assembly efficiency.

In addition, due to the complexity of the assembly structure between the existing motor and the pump body, after the motor and the pump body are assembled, the transverse size of the motor and the pump body is long, and the motor and the pump body are not favorable for transportation and subsequent assembly.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims at providing an assembly structure of motor and pump, the assembly process of this structure is simple, and needn't use the shaft coupling, has shortened assembly structure's overall dimension.

A second object of the present invention is to provide a motor, which is suitable for the assembly structure of the above motor and pump.

A third object of the present invention is to provide a pump, which is suitable for the assembly structure of the motor and the pump.

Based on the above purpose, an aspect of the present invention provides an assembly structure of a motor and a pump, the assembly structure includes a motor and a pump, the pump is assembled at a power output end of the motor, the motor includes a motor body and a motor end cover, and one end of the motor end cover is fixed on the motor body;

the pump comprises a pump body, and an impeller is arranged in the pump body; one end of the pump body is provided with a sealing seat, wherein:

the other end of the motor end cover is of a flange-shaped structure, an annular groove for fixing the sealing seat is formed in the edge of one side, away from the motor body, of the flange-shaped structure, and the depth of the annular groove is consistent with the thickness of the sealing seat; the pump body is assembled on the flange-shaped structure through the sealing seat;

a through hole is formed in the middle of the sealing seat, and an output shaft of the motor penetrates into the pump body from the through hole; the output shaft comprises a first shaft section, a second shaft section and a third shaft section which are sequentially connected and integrally formed, and the first shaft section is an optical axis for assembling a mechanical sealing part; the second shaft section is provided with a key groove for assembling the impeller; the third shaft section is provided with external threads for fixing the impeller.

Preferably, a groove is formed in the middle of one side, away from the motor end cover, of the flange-shaped structure, a plurality of support columns extending towards the body direction away from the motor body are dispersedly arranged at the bottom of the groove, and the end portions of the support columns abut against the sealing seat, so that the sealing seat is supported.

Preferably, the support columns are distributed at the bottom of the groove in a circumferential manner with the output shaft as a circle center.

Preferably, the inner side edge of the groove protrudes towards the side far away from the motor end cover, and the protruding structure and the groove are matched to form a positioning spigot for positioning the sealing seat.

Preferably, the bottom or edge of the groove is provided with at least one drainage hole.

Preferably, the flange-like structure is provided with a plurality of lightening slots and/or lightening holes at its edge.

Preferably, the seal holder is formed by press-molding a steel plate.

Preferably, the periphery of the through hole is in a stepped structure, and the stepped structure is matched with the mechanical sealing part, so that the sealing seat and the mechanical sealing part are sealed.

In another aspect of the present invention, a motor is provided, which is used for implementing the assembling structure of the motor and the pump.

In another aspect of the present invention, a pump is provided for implementing the assembly structure of the motor and the pump.

Compared with the prior art, the beneficial effects of the utility model are that:

the assembly structure of the motor and the pump provided by the utility model can obviously simplify the transferring and matching process, and is beneficial to improving the assembly efficiency of the motor and the pump; in the assembly structure, a coupler is not needed, the overall size of the assembly structure is shortened, and subsequent transportation and assembly are facilitated.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

FIG. 1 is a schematic view of an assembly structure of a motor and a pump in the prior art;

FIG. 2 is a schematic view of an assembly structure of a motor and a pump in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a motor in an embodiment of the present invention.

11, a motor end cover; 12. a flange-like structure; 13. an output shaft;

121. an annular groove; 122. positioning a spigot; 123. a groove; 124. a support pillar; 125. a drain hole; 126. a weight reduction groove;

131. a first shaft section; 132. a second shaft section; 133. a third shaft section;

21. a sealing seat; 22. a mechanical seal member; 23. an impeller; 24. a seal ring; 25. a pump head; 26; a coupling;

211. a stepped configuration.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Furthermore, in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Preferred embodiments of the present application will be described in further detail below with reference to the accompanying drawings.

One aspect of the present invention provides an assembly structure of a motor and a pump, as shown in fig. 2 and 3, the assembly structure includes a motor and a pump, the pump is assembled at a power output end of the motor, the motor includes a motor body and a motor end cover 11, and one end of the motor end cover 11 is fixed on the motor body;

the pump comprises a pump body, and an impeller 23 is arranged in the pump body; one end of the pump body is provided with a seal seat 21, wherein:

the other end of the motor end cover 11 is a flange-shaped structure 12, an annular groove 121 for fixing the sealing seat 21 is arranged on the edge of the flange-shaped structure 12 away from the motor body, and the depth of the annular groove 121 is consistent with the thickness of the sealing seat 21; the pump body is assembled on the flange-like structure 12 through the sealing seat 21;

a through hole is formed in the middle of the sealing seat 21, and an output shaft 13 of the motor penetrates into the pump body from the through hole; the output shaft 13 comprises a first shaft section 131, a second shaft section 132 and a third shaft section 133 which are sequentially connected and integrally formed, wherein the first shaft section 131 is an optical axis for assembling the mechanical sealing part 22; the second shaft section 132 is splined for fitting the impeller 23; the third shaft segment 133 is provided with an external thread for fixing the impeller 23.

As a preferred embodiment, a groove 123 is disposed in the middle of the side of the flange-like structure 12 away from the motor end cover 11, a plurality of support pillars 124 extending in the direction away from the motor body are dispersedly disposed at the bottom of the groove 123, and the end portions of the support pillars 124 abut against the sealing seat 21, so as to support the sealing seat 21, that is, after the sealing seat 21 is installed in the annular groove 121 in place, the support pillars 124 just support the sealing seat 21, and ensure that the sealing seat 21 does not deform when subjected to pressure.

In a preferred embodiment, the supporting pillars 124 are distributed at the bottom of the groove 123 in a circle with the output shaft 13 as a center.

In a preferred embodiment, an inner edge of the groove 123 protrudes to a side away from the motor end cover 11, the protruding structure and the groove 123 cooperate to form a positioning seam allowance 122 for positioning the seal seat 21, and the positioning seam allowance 122 is used for assisting in positioning the seal seat 21.

In a preferred embodiment, the bottom or edge of the groove 123 is provided with at least one drainage hole 125.

In a preferred embodiment, the edge of the flange-like structure 12 is provided with a plurality of lightening slots 126 and/or lightening holes.

In a preferred embodiment, the sealing seat 21 is formed by stamping a steel plate.

In a preferred embodiment, the periphery of the through hole has a stepped structure 211, which cooperates with the mechanical sealing component 22 to seal between the sealing seat 21 and the mechanical sealing component 22.

The assembly process of the embodiment is as follows:

firstly, the sealing seat 21 is sleeved on the output shaft 13 of the motor through a through hole, and then is clamped at one end of the flange-shaped structure 12, which is far away from the motor body, through the positioning spigot 122 and the annular groove 121 and is fixed by screws; then, the mechanical sealing part 22 is sleeved on the first shaft section 131 of the output shaft 13 and is matched with the stepped structure 211 on the periphery of the through hole of the sealing seat 21;

the impeller 23 is fixed on the output shaft 13, the casing of the pump body is assembled at the edge of the flange-shaped structure 12 after the impeller 23 is fixed, and meanwhile, a sealing ring 24 is additionally arranged between the casing of the pump body and the sealing seat 21 to ensure the assembling air tightness.

This embodiment may also provide a motor for implementing the assembly structure of the motor and the pump as described above.

This embodiment may also provide a pump for implementing the motor and pump assembly structure as described above.

To sum up, the assembly structure of the motor and the pump provided by the utility model can obviously simplify the transfer process, and is beneficial to improving the assembly efficiency of the motor and the pump; in the assembly structure, a coupler is not needed, the overall size of the assembly structure is shortened, and subsequent transportation and assembly are facilitated.

Further, it should be noted that:

in the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that those skilled in the art can make changes, modifications, substitutions and alterations to the above embodiments without departing from the spirit and scope of the present invention, and that any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.

Claims

1. An assembly structure of a motor and a pump comprises the motor and the pump, wherein the pump is assembled at a power output end of the motor, the motor comprises a motor body and a motor end cover (11), and one end of the motor end cover (11) is fixed on the motor body;

the pump comprises a pump body, and an impeller (23) is arranged in the pump body; one end of the pump body is provided with a sealing seat (21) which is characterized in that,

the other end of the motor end cover (11) is a flange-shaped structure (12), an annular groove (121) for fixing the sealing seat (21) is formed in the edge of one side, away from the motor body, of the flange-shaped structure (12), and the depth of the annular groove (121) is consistent with the thickness of the sealing seat (21); the pump body is assembled on the flange-shaped structure (12) through the sealing seat (21);

a through hole is formed in the middle of the sealing seat (21), and an output shaft (13) of the motor penetrates into the pump body from the through hole; the output shaft (13) comprises a first shaft section (131), a second shaft section (132) and a third shaft section (133) which are sequentially connected and integrally formed, and the first shaft section (131) is an optical axis for assembling the mechanical sealing part (22); the second shaft section (132) is provided with a key slot for assembling the impeller (23); the third shaft section (133) is provided with an external thread for fixing the impeller (23).

2. An assembling structure of a motor and a pump according to claim 1, characterized in that a groove (123) is provided in the middle of one side of the flange-like structure (12) far from the motor end cover (11), a plurality of support columns (124) extending in the direction of the body far from the motor body are dispersedly provided at the bottom of the groove (123), and the end of the support column (124) abuts against the sealing seat (21), so as to support the sealing seat (21).

3. An assembly structure of a motor and a pump as claimed in claim 2, wherein a plurality of supporting columns (124) are distributed at the bottom of the groove (123) in a circumferential shape with the output shaft (13) as a center.

4. An assembling structure of a motor and a pump according to claim 2, characterized in that the inner edge of the groove (123) protrudes to the side far away from the motor end cover (11), and the protruding structure and the groove (123) are matched to form a positioning spigot (122) for positioning the sealing seat (21).

5. An assembly structure of a motor and a pump according to claim 4, characterized in that the bottom or the edge of the groove (123) is provided with at least one drainage hole (125).

6. An assembly structure of a motor and a pump, according to claim 1, characterized in that the edge of said flange-like structure (12) is provided with lightening slots (126) and/or lightening holes.

7. An assembly structure of a motor and a pump according to claim 1, characterized in that said sealing seat (21) is stamped and formed from steel plate.

8. An assembling structure of motor and pump according to claim 7, characterized in that the periphery of said through hole presents a step-like structure (211) which cooperates with said mechanical sealing part (22) to seal between the sealing seat (21) and the mechanical sealing part (22).

9. An electric motor for implementing an assembly structure of an electric motor and a pump according to any one of claims 1 to 8.

10. A pump for implementing an assembly of a motor and a pump according to any one of claims 1 to 8.