CN210273685U

CN210273685U - Motor, end cover assembly and motor end cover fixing hole limiting structure thereof

Info

Publication number: CN210273685U
Application number: CN201921235445.2U
Authority: CN
Inventors: 宋从军
Original assignee: Suzhou Samsung Electronics Co Ltd; Samsung Electronics Co Ltd
Current assignee: Suzhou Samsung Electronics Co Ltd; Samsung Electronics Co Ltd
Priority date: 2019-08-01
Filing date: 2019-08-01
Publication date: 2020-04-07
Anticipated expiration: 2029-08-01

Abstract

The utility model discloses a motor end cover fixed orifices limit structure, motor end cover are equipped with the coupling mechanism who is used for installing ground terminal and/or ply-yarn drill, coupling mechanism has and is used for splining complex limit structure with ground terminal and/or ply-yarn drill, can prevent effectively that ply-yarn drill and/or the relative motor end cover of ground terminal from rotating, have ensured the steadiness of assembly to improve the uniformity of Line pencil assembly operation, promote Line operating efficiency. Furthermore, the utility model also discloses an end cover assembly, including the motor end cover, the motor end cover has as above motor end cover fixed orifices limit structure. The utility model also discloses a motor, include: an end cap assembly as described above.

Description

Motor, end cover assembly and motor end cover fixing hole limiting structure thereof

Technical Field

The utility model relates to the technical field of electric machines, in particular to motor, end cover assembly and motor end cover fixed orifices limit structure.

Background

In order to prevent the wire harness from being rubbed with the front end cover of the motor, a wire clamp is additionally arranged on the front end cover, and meanwhile, a grounding terminal is additionally arranged to prevent PBA from being damaged by static electricity, so that the wire clamp and the grounding terminal are additionally arranged on the motor and are fixed on the motor end cover by using screws.

The existing style motor end cover is provided with screw holes for fixing the Line cards and the grounding terminals, and suppliers do not have a limiting structure when producing Line assembly, so that the Line cards and the grounding terminals are fixed in the fixing holes, the Line cards and the grounding terminals are greatly scattered in fixing positions, and the Line harness assembly operation consistency is difficult.

Therefore, how to solve the problem that the wire clip and the ground terminal have a large step at the fixed position becomes a problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a motor end cover fixed orifices limit structure has effectively prevented that ply-yarn drill and/or ground terminal from taking place relative rotation after the assembly through having add on motor end cover's coupling mechanism and has been used for restricting ground terminal and/or ply-yarn drill pivoted limit structure, ensures that the assembly direction is unanimous to improve the uniformity of Line pencil assembly operation, promote Line operating efficiency.

In order to achieve the above object, the utility model provides a following technical scheme:

a motor end cover fixing hole limiting structure is provided with a connecting mechanism used for installing a grounding terminal and/or a line card, and the connecting mechanism is provided with a limiting structure used for being matched with the grounding terminal and/or the line card in a rotation stopping manner.

Preferably, coupling mechanism's tip is equipped with spacing post, the periphery wall of spacing post has spacing profile to constitute limit structure, ground terminal and/or the ply-yarn drill is seted up be used for with spacing post spline complex spacing hole, the inner wall shape in spacing hole with spacing profile cooperation.

Preferably, the ground terminal and the line card are both provided with limiting holes for matching with the limiting posts in a rotation stopping manner, and the length of the limiting posts is not greater than the sum of the thicknesses of the limiting holes of the ground terminal and the limiting holes of the line card.

Preferably, the cross section of the limiting profile is D-shaped, and the limiting hole is a D-shaped limiting hole with a cross section matched with the limiting profile.

Preferably, the cross-section is spacing profile of D type includes: are connected in turn to form an annular arc section and a straight line section.

Preferably, the circular arc section is a semicircular section, the straight sections are a first straight section, a second straight section and a third straight section which are connected in sequence, the first straight section and the third straight section are perpendicular to the second straight section, the lengths of the first straight section and the third straight section are equal to the radius of the semicircular section, and the length of the second straight section is equal to the diameter of the semicircular section.

Preferably, the connecting mechanism is a fixing column, and the fixing column is provided with a fixing hole used for being matched with the grounding terminal and/or the line card.

Preferably, the fixing hole is provided with an internal thread for mounting the ground terminal and/or the line card.

An end cover assembly comprises a motor end cover, wherein the motor end cover is provided with the motor end cover fixing hole limiting structure.

An electric machine comprising: an end cap assembly as described above.

According to the technical scheme, the utility model provides a motor end cover fixed orifices limit structure through integrated design on the coupling mechanism at the motor end cover is used for restricting ground terminal and/or ply-yarn drill pivoted limit structure, can prevent effectively that ply-yarn drill and/or the relative motor end cover of ground terminal from rotating, has ensured the steadiness of assembly to improve the uniformity of Line pencil assembly operation, promote Line operating efficiency.

The embodiment of the utility model provides an end cover assembly is still provided, including the motor end cover, the motor end cover has as above motor end cover fixed orifices limit structure. Due to the adoption of the limiting structure of the motor end cover fixing hole, the limiting structure has corresponding beneficial effects, and specific reference can be made to the previous description, so that the detailed description is omitted.

The embodiment of the utility model provides a still provide a motor, include: an end cap assembly as described above. Similarly, since the end cover assembly is adopted, the end cover assembly has corresponding beneficial effects, and specific reference can be made to the foregoing description, and details are not described herein.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an exploded view of an end cap assembly according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a connection mechanism according to an embodiment of the present invention;

fig. 3 is an assembly view of an end cap assembly according to an embodiment of the present invention;

wherein, 1 is coupling mechanism, 2 is ground terminal, 3 is the ply-yarn drill, 4 is the screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment of the utility model provides a motor end cover fixed orifices limit structure, motor end cover are equipped with coupling mechanism 1 that is used for installing ground terminal 2 and/or ply-yarn drill 3, coupling mechanism has and is used for splining complex limit structure with ground terminal 2 and/or ply-yarn drill 3, and its structure can refer to figure 1 and show.

Specifically, the end of the connecting mechanism 1 is provided with a limiting column, the outer peripheral wall of the limiting column is provided with a limiting profile to form the limiting structure, the ground terminal 2 and/or the line card 3 are/is provided with a limiting hole matched with the limiting column in a rotation stopping manner, the inner wall of the limiting hole is matched with the limiting profile in shape, and the structure can be shown in fig. 2. The limiting molded surface of the limiting column is matched with the shape of the inner wall of the limiting hole, so that self-locking assembly is formed, the limiting hole is effectively prevented from rotating relative to the limiting column, and the stable assembly of the grounding terminal 2 and/or the wire clamp 3 and the motor end cover is realized.

In order to further optimize the technical scheme, the ground terminal 2 and the line card 3 are respectively provided with a limiting hole for matching with the limiting column in a rotation stopping manner, and the length of the limiting column is not greater than (optimally slightly smaller than) the sum of the thicknesses of the limiting hole of the ground terminal 2 and the limiting hole of the line card 3. So set up for ground terminal 2 and ply-yarn drill 3 are successively with the assembly of 1 spacing post of coupling mechanism, and the back is fixed through retaining member such as screw 4 again, and the extrusion produces certain pretightning force, with guaranteed spacing stability.

In this scheme, in order to effectively prevent the ground terminal 2 and/or the line card 3 from slipping on the limiting post, the limiting profile of the limiting post should avoid the design of a cylindrical profile. Similarly, the limiting holes of the ground terminal 2 and/or the line card 3 should be evaded and designed to be circular. Preferably, the cross section of the limiting molded surface is D-shaped, namely the limiting column is of a D-shaped structure. Correspondingly, the limiting hole is a D-shaped limiting hole with a cross section matched with the limiting molded surface. Spacing structure chooses for use the spacing post of D style of calligraphy, has included the circular arc section and a plurality of straightway (as the constitution of the spacing profile described below) that connect gradually, especially a plurality of straightways that connect gradually, has greatly promoted the effect of splining of spacing post. In addition, the D-shaped limiting column has the characteristics of simple structure, easiness in processing and forming and the like. Of course, the limiting profile of the limiting column may also be in other shapes, such as square, triangle, etc., which are not described herein again.

Specifically, the cross section is spacing profile of D type includes: are connected in turn to form an annular arc section and a straight line section. Wherein the circular arc segments facilitate a quick assembly of the ground terminal 2 and/or the line card 3. Through the compact matching of the corner point on the straight line section and the turning point on the limiting hole, the limiting hole of the grounding terminal 2 and/or the line card 3 is clamped on the limiting molded surface of the limiting column, the clamping matching of the grounding terminal 2 and/or the line card 3 and the limiting column is realized, and the rotation of the grounding terminal 2 and/or the line card 3 on the motor end cover is effectively prevented.

In the scheme, the circular arc section is a semicircular section, the straight sections are a first straight section, a second straight section and a third straight section which are connected in sequence, the first straight section and the third straight section are perpendicular to the second straight section, the lengths of the first straight section and the third straight section are equal to the radius of the semicircular section, and the length of the second straight section is equal to the diameter of the semicircular section. The structure has good rotation stopping effect, is convenient to assemble and is easy to process.

Specifically, the connecting mechanism 1 is a fixing column, and the fixing column is provided with a fixing hole used for being matched with the grounding terminal 2 and/or the line card 3. Correspondingly, the limiting column is provided with a through hole communicated with the fixing hole and used for penetrating through a connecting piece used for connecting the grounding terminal 2 and/or the line card 3 with the motor end cover in the connecting mechanism so as to realize ordered matching of the structure.

In order to further optimize the above solution, the fixing hole is provided with an internal thread for mounting the ground terminal 2 and/or the line card 3. In the present embodiment, a screw 4 for engaging with the internal thread is also included. Specifically, firstly, the ground terminal 2 and/or the line card 3 are sequentially installed at the end part of the fixing column of the motor end cover by using the screw 4, and secondly, the installation and rotation stopping limitation of the ground terminal 2 and/or the line card 3 can be realized by utilizing the matching of the limiting molded surface of the limiting column and the shape of the limiting hole of the ground terminal 2 and/or the line card 3, and the structure of the limiting structure can be shown in fig. 3. Of course, the fixing hole can realize the connecting function without being provided with an internal thread. For example, the fixing holes are designed to be communicated with through holes at the bottom of the motor end cover, and the bolt and nut assembly can be connected and assembled in an externally-inserted and internally-installed mode.

The present solution is further described below with reference to specific embodiments:

the embodiment of the utility model provides a motor end cover fixed orifices limit structure, through the fixed orifices limit structure who increases the D type on the motor end cover, the pilot hole of ply-yarn drill and ground terminal designs into D type hole equally, because limit structure during ply-yarn drill and ground terminal assembly like this, ply-yarn drill and ground terminal are fixed the back, and fixed direction is unanimous, can effectively improve motor assembly uniformity, has promoted the Line operating efficiency.

The utility model discloses a specific technical scheme: the motor end cover fixing hole is designed into a D-shaped structure, the wire clamp and the grounding terminal fixing hole are also designed into a D-shaped structure, and after the wire clamp and the grounding terminal are assembled, due to the D-shaped limiting structure, when the screw is fixed, the wire clamp and the grounding terminal cannot deviate along with the rotation of the screw and are limited at fixed positions, so that the Line operability is effectively improved.

In this scheme, this kind of end cover fixed orifices D type limit structure, with the ply-yarn drill and the ground terminal assembly back that have the same D type hole, the skew of ply-yarn drill and ground terminal during can effectually prevent the assembly, structural design is simple, only needs simply to revise the end cover mould.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a motor end cover fixed orifices limit structure, the motor end cover is equipped with coupling mechanism (1) that is used for installing ground terminal (2) and/or ply-yarn drill (3), its characterized in that, coupling mechanism have be used for with ground terminal (2) and/or ply-yarn drill (3) spline complex limit structure.

2. The motor end cover fixing hole limiting structure according to claim 1, wherein a limiting column is arranged at an end of the connecting mechanism (1), a limiting profile is arranged on the outer peripheral wall of the limiting column to form the limiting structure, a limiting hole for rotation stopping matching with the limiting column is formed in the ground terminal (2) and/or the line card (3), and the shape of the inner wall of the limiting hole matches with the limiting profile.

3. The motor end cover fixing hole limiting structure according to claim 2, wherein the ground terminal (2) and the line card (3) are respectively provided with a limiting hole for matching with the limiting post in a rotation stopping manner, and the length of the limiting post is not greater than the sum of the thicknesses of the limiting hole of the ground terminal (2) and the limiting hole of the line card (3).

4. The motor end cover fixing hole limiting structure as claimed in claim 2, wherein the cross section of the limiting profile is D-shaped, and the limiting hole is a D-shaped limiting hole with a cross section matched with the limiting profile.

5. The motor end cover fixing hole limiting structure of claim 4, wherein the limiting profile with the D-shaped cross section comprises: are connected in turn to form an annular arc section and a straight line section.

6. The motor end cover fixing hole limiting structure as claimed in claim 5, wherein the circular arc section is a semicircular section, the straight sections are a first straight section, a second straight section and a third straight section which are connected in sequence, the first straight section and the third straight section are perpendicular to the second straight section, the length of the first straight section and the length of the third straight section are equal to the radius of the semicircular section, and the length of the second straight section is equal to the diameter of the semicircular section.

7. The motor end cover fixing hole limiting structure according to claim 1, wherein the connecting mechanism (1) is a fixing column, and the fixing column is provided with a fixing hole for matching with the grounding terminal (2) and/or the line card (3).

8. The motor end cover fixing hole limiting structure according to claim 7, wherein the fixing hole is provided with an internal thread for mounting the ground terminal (2) and/or the line card (3).

9. An end cover assembly comprising a motor end cover, wherein the motor end cover has the motor end cover fixing hole limiting structure as claimed in any one of claims 1 to 8.

10. An electric machine, comprising: the end cap assembly of claim 9.