CN219124044U

CN219124044U - Motor shaft and motor convenient to location

Info

Publication number: CN219124044U
Application number: CN202223413453.6U
Authority: CN
Inventors: 李丹; 叶磊; 张金保; 粱联亨
Original assignee: Heshan Hengfu Micro Motor Co ltd
Current assignee: Heshan Hengfu Micro Motor Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-06-02
Anticipated expiration: 2032-12-16

Abstract

The utility model discloses a motor shaft and a motor convenient to position, wherein the motor shaft comprises a shaft body, the shaft body comprises an outer connecting section and an inner connecting section, the outer connecting section is provided with a connecting hole, the connecting hole comprises a guide section and a connecting section, the guide section and the connecting section are sequentially arranged from an orifice of the connecting hole to the bottom wall of the connecting hole, the inner wall of the guide section is a smooth surface, and the inner wall of the connecting section is provided with connecting threads; the inner connecting section comprises a reversing section and a fixing section, the reversing section is arranged between the fixing section and the outer connecting section, and the fixing section comprises a first section body and a second section body. The motor employs the motor shaft described above.

Description

Motor shaft and motor convenient to location

Technical Field

The utility model relates to the technical field of motors, in particular to a motor shaft convenient to position and a motor.

Background

The motor shaft is a main part in the generator, is a core part in the motor, is used for installing and fixing fan blades, a rotor core, a collecting ring (or an exciter rotor), a bearing and the like, is connected with a power output shaft, and drives the generator rotor to rotate by power.

However, in the motor shaft in the prior art, the motor shaft is used for the output section connected with other external components, and the existing positioning structure is that a guide post is arranged on the main body of the output section as a positioning structure, and an external connecting piece needs to be fixedly connected with the motor shaft through the connecting section of the motor shaft after the guide post is positioned and butted with the motor shaft, so that the structure is complex.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the motor shaft and the motor which are convenient to position are provided by the utility model, the structure is simple, and the motor shaft and the motor are in threaded connection and have a positioning function.

In a first aspect, a motor shaft for facilitating positioning according to an embodiment of the present utility model includes:

the shaft body comprises an outer connecting section and an inner connecting section, the outer connecting section is provided with a connecting hole, the connecting hole comprises a guide section and a connecting section, the guide section and the connecting section are sequentially arranged from an orifice of the connecting hole to the bottom wall of the connecting hole, the inner wall of the guide section is a smooth surface, and connecting threads are arranged on the inner wall of the connecting section;

the inner connecting section comprises a reversing section and a fixing section, the reversing section is arranged between the fixing section and the outer connecting section, and the fixing section comprises a first section body and a second section body.

The motor shaft convenient to position has at least the following beneficial effects: the inner connecting section is used for being connected with the stator, the outer connecting section is used for being connected with an external part, the outer connecting section is provided with a connecting hole, specifically, the connecting hole is divided into two parts, the connecting hole comprises a guide section and a connecting section, threads are arranged on the inner wall of the connecting section, when the external part is to be connected with a motor shaft, the external part is directly inserted into the connecting hole, at the moment, the guide section plays a guide effect and a positioning effect on the external part, the external part is in threaded connection with the connecting section, and the connecting hole is simple and practical in structure and has a positioning function when in threaded connection with the motor shaft.

According to the motor shaft convenient to position, the first section body is a spline.

According to the motor shaft convenient to position, the positioning groove is formed in the bottom of the first section body, and the first section body can be quickly positioned and connected with the stator.

According to the motor shaft convenient to position, the second section body is an optical axis.

According to the motor shaft convenient to position, a clamp spring is arranged between the first section body and the second section body.

According to the motor shaft convenient to position, the outer wall of the reversing section is provided with the reversing structures, the reversing structures are circumferentially arranged at intervals around the axis of the shaft body, and the reversing structures are used for positive and negative rotation of the motor shaft under the action of a magnetic circuit.

According to the motor shaft convenient to position, the reversing structure comprises the groove and the convex rib, one side edge of the groove is smoothly connected with one side edge of the convex rib, and the groove and the convex rib are in an N-shaped design.

According to the motor shaft convenient to position, four reversing structures are arranged.

According to the motor shaft convenient to position, a clamp spring groove is formed between the inner connecting section and the outer connecting section.

In a second aspect, an electric motor according to an embodiment of the present utility model includes a motor shaft that is convenient for positioning as described above.

The motor provided by the embodiment of the utility model has at least the following beneficial effects: the inner connecting section is used for being connected with the stator, the outer connecting section is used for being connected with an external part, the outer connecting section is provided with a connecting hole, specifically, the connecting hole is divided into two parts, the connecting hole comprises a guide section and a connecting section, threads are arranged on the inner wall of the connecting section, when the external part is to be connected with a motor shaft, the external part is directly inserted into the connecting hole, at the moment, the guide section plays a guide effect and a positioning effect on the external part, the external part is in threaded connection with the connecting section, and the connecting hole is simple and practical in structure and has a positioning function when in threaded connection with the motor shaft.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic diagram of a motor shaft for easy positioning according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view taken at C-C of FIG. 1;

fig. 3 is a side view of a motor shaft for facilitating positioning according to an embodiment of the present utility model.

Reference numerals illustrate:

a shaft body 100;

an outer connecting section 110; a connection hole 111; a guide section 1111; a connection section 1112; threads 1113;

an inner connecting section 120; a reversing segment 121; grooves 1211; a bead 1212; a fixed section 122; a first segment 1221; a second segment 1222; a positioning groove 1223;

snap spring groove 130.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the utility model, the meaning of a number is one or more, the meaning of a plurality is two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and the above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 to 3, a first embodiment of the present utility model provides a motor shaft for easy positioning, comprising a shaft body 100, the shaft body 100 comprising an outer connection section 110 and an inner connection section 120, the outer connection section 110 being provided with a connection hole 111, the connection hole 111 comprising a guide section 1111 and a connection section 1112, the guide section 1111 and the connection section 1112 being sequentially arranged along an orifice of the connection hole 111 to a bottom wall of the connection hole 111, an inner wall of the guide section 1111 being a smooth surface, an inner wall of the connection section 1112 being provided with a connection thread 1113; the inner connection section 120 includes a commutation section 121 and a fixed section 122, the commutation section 121 is disposed between the fixed section 122 and the outer connection section 110, and the fixed section 122 includes a first section body 1221 and a second section body 1222.

The second embodiment of the present utility model provides a motor (not shown) to which the motor shaft of the first embodiment is applied for positioning.

The inner connecting section 120 is used for being connected with a stator, and the outer connecting section 1112110 is used for being connected with an external component, wherein the outer connecting section 110 is provided with a connecting hole 111, specifically, the connecting hole 111 is divided into two parts, and comprises a guiding section 1111 and a connecting section 1112, the inner wall of the connecting section 1112 is provided with threads 1113, when the external component is to be connected with a motor shaft, the external component is directly inserted into the connecting hole 111, the guiding section 1111 plays a guiding role and a positioning role on the external component, the external component is connected with the threads 1113 of the connecting section 1112, and the connecting section is simple and practical in structure, and has a positioning function when being connected with the threads 1113 of the motor shaft.

According to some embodiments of the present application, a step is provided between the guide section 1111 and the connecting wire as shown, which plays a limiting role.

According to some embodiments of the present application, the first segment 1221 is splined as shown.

According to some embodiments of the present application, as shown in the drawings, the bottom of the first segment 1221 is provided with a positioning slot 1223, so that the first segment 1221 can be quickly positioned and connected with the stator.

According to some embodiments of the present application, as shown, the second segment 1222 is an optical axis.

According to some embodiments of the present application, as shown in the drawings, the outer wall of the reversing segment 121 is provided with a plurality of reversing structures, and the reversing structures are circumferentially spaced around the axis of the shaft body 100, and the reversing structures are used for forward and reverse rotation of the motor shaft under the action of the magnetic circuit.

According to some embodiments of the present application, as shown in the figures, the reversing structure includes a groove 1211 and a convex rib 1212, wherein one side edge of the groove 1211 is smoothly connected with one side edge of the convex rib 1212, and the groove 1211 and the convex rib 1212 are in an "N" design.

According to some embodiments of the present application, grooves 1211 and ribs 1212 extend along and parallel to the axis of shaft 100.

According to some embodiments of the present application, as shown, the reversing structure is provided with four.

According to some embodiments of the present application, as shown, a snap spring groove 130 is provided between the inner and

outer connection sections

120, 110; a clamping spring is arranged between the first section 1221 and the second section 1222; a snap spring is provided between the second segment 1222 and the reversing segment 121. The clamping springs are embedded in the clamping springs, and the clamping springs are utilized to prevent axial movement of the motor shaft.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means 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 utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A motor shaft for facilitating positioning, comprising:

2. The conveniently positioned motor shaft of claim 1 wherein said first segment is splined.

3. The motor shaft for easy positioning according to claim 2, wherein the bottom of the first section is provided with a positioning groove.

4. The conveniently positioned motor shaft of claim 1 wherein said second segment is an optical axis.

5. The motor shaft for easy positioning according to claim 1, wherein a snap spring groove is provided between the first section and the second section.

6. The motor shaft for easy positioning according to claim 1, wherein the outer wall of the reversing section is provided with a plurality of reversing structures, and the reversing structures are circumferentially spaced around the axis of the shaft body.

7. The motor shaft of claim 6, wherein the reversing structure comprises a groove and a rib, wherein one side edge of the groove is smoothly connected with one side edge of the rib, and the groove and the rib are in an "N" design.

8. The motor shaft for easy positioning according to claim 7, wherein the reversing structure is provided with four reversing structures.

9. The motor shaft for easy positioning according to claim 1, wherein a snap spring groove is provided between the inner connecting section and the outer connecting section.

10. An electric machine comprising a motor shaft for facilitating positioning according to any one of claims 1 to 9.