Casing positioning mechanism of motor

Abstract

The utility model discloses a casing positioning mechanism of a motor. The casing positioning mechanism comprises a motor body. The motor main body comprises a casing and a stator arranged in the casing, and at least one stator tangent plane is arranged on the outer wall of the stator; the inner wall of the casing is provided with a casing tangent plane corresponding to the stator tangent plane. Positioning points are arranged on the inner wall of the machine shell; the outer wall of the stator and the inner wall of the casing are provided with positioning assemblies, the motor is reasonable in structural design, and the stator tangent plane and the casing tangent plane are arranged so as to play a role in limiting and placing when the stator is arranged in the casing; the positioning assembly is arranged, so that the stator can be limited and fixed in the casing; the stator tangent plane, the casing tangent plane and the positioning assembly are arranged, so that when the stator is arranged in the casing, the limiting and fixing effects are better, and the stator cannot loosen in the casing; and the positioning points are arranged, so that an axial fixing effect is achieved when the stator is arranged in the casing.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor field especially relates to a motor's casing positioning mechanism. BACKGROUND

[0002] With the development of science and technology, the automobile is also gradually updated, and the electronic fan belongs to a part of the automobile, and the motor is the driving mechanism of the electronic fan, which gives the radiator connected with the engine, the air conditioner condenser and the evaporator heat dissipation and heat exchange.

[0003] At present, with the improvement of use requirement, the strength of the motor is required to be improved, and the fixing between the stator and the motor shell is required to be more stable, a part of the existing motor and the stator are directly connected in a sleeving mode, and the connecting mode may cause the stator to be loose in the shell during use or after long time use, thereby affecting the use of the motor and causing influence during use of the user. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem in the prior art, and provides a casing positioning mechanism of motor.

[0005] The utility model adopts the technical scheme that:

[0006] A casing positioning mechanism of motor, including motor main part, the motor main part includes casing and the stator that sets up in the casing, at least one stator section is provided on the outer wall of the stator, the casing section that sets up with the stator section is correspondingly provided on the inner wall of the casing, the locating point is provided on the inner wall of the casing, and the locating assembly is provided on the outer wall of the stator and the inner wall of the casing.

[0007] The above-mentioned components achieve the following effects: by providing the stator section and the casing section, the stator is limited and placed when it is set in the casing; by providing the locating assembly, the stator is limited and fixed when it is in the casing; by providing the stator section, the casing section and the locating assembly, the stator is better limited and fixed when it is set in the casing, so that the stator does not loosen in the casing; and by providing the locating point, the stator is axially fixed when it is set in the casing.

[0008] Preferably, the locating assembly includes a protrusion provided on the inner wall of the casing and a rotation-stopping groove provided on the outer wall of the stator; when the stator is set in the casing, the protrusion is set in the rotation-stopping groove.

[0009] The above-mentioned components achieve the following effects: by providing the protrusion and the rotation-stopping groove, the protrusion is clamped into the rotation-stopping groove to limit and fix the stator in the casing when the stator is assembled into the casing.

[0010] Preferably, the positioning point is located at least below the protrusion; the positioning point extends into the inner wall of the housing; when the stator is installed inside the housing, the lower surface of the outer wall of the stator abuts against the positioning point.

[0011] The effect achieved by the above components is that by setting the positioning point below the protrusion, the lower surface of the stator outer wall can abut against the positioning protrusion, thereby achieving axial fixed positioning when the stator is installed in the housing.

[0012] Preferably, at least one positioning point is provided inside the housing; the positioning point is arranged in a ring on the inner wall of the housing.

[0013] The effect achieved by the above components is that by setting at least one positioning point, and the positioning point is arranged in a ring on the inner wall of the housing, the stator is better positioned and fixed in the housing.

[0014] Preferably, when the stator is disposed inside the housing, the stator cross-section abuts against the housing cross-section.

[0015] The effect achieved by the above components is that when the stator cut surface comes into contact with the housing cut surface, the stator cannot rotate inside the housing because of the stator cut surface, thus improving the limiting effect of the stator inside the housing.

[0016] Preferably, the upper end of the housing is provided with a flange structure.

[0017] The effect achieved by the above components is that by setting up a flange structure, it is convenient to weld the top cover, and the flange size is at least no more than 2 mm, which saves on the diameter size.

[0018] Compared with the prior art, the advantages of this utility model are as follows: by setting the stator cross-section and the housing cross-section, it plays a role in limiting the placement of the stator when it is placed inside the housing; by setting the positioning component, it plays a role in limiting and fixing the stator when it is placed inside the housing; by setting the stator cross-section, the housing cross-section and the positioning component, the limiting and fixing effect of the stator when it is placed inside the housing is better, so that the stator will not loosen inside the housing; by setting the positioning point, it plays a role in axially fixing the stator when it is placed inside the housing. Attached Figure Description

[0019] Fig. 1 This is a schematic diagram of the structure of this utility model;

[0020] Fig. 2 This is a schematic diagram of the stator and motor assembly structure of this utility model;

[0021] Fig. 3 This is a schematic diagram of the stator structure of this utility model;

[0022] Fig. 4 is a shell structure schematic diagram of the utility model.

[0023] Reference signs: 1, motor main body; 2, stator; 3, shell; 4, stator section; 5, shell section; 6, positioning point; 7, positioning assembly; 8, convex point; 9, rotation stopping groove; 10, flanging structure; 11, upper cover. DETAILED DESCRIPTION

[0024] In the following, a plurality of embodiments of the utility model will be disclosed with drawings. For the purpose of clear illustration, many practical details will be described in the following description. However, it should be understood that these practical details should not be used to limit the utility model. That is, in some embodiments of the utility model, these practical details are not necessary. In addition, for the purpose of simplifying the drawings, some conventional structures and components will be shown in the drawings in a simple schematic manner.

[0025] It should be noted that all directional indications in the embodiments of the utility model, such as up, down, left, right, front, back, etc., are used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings). If the specific posture changes, the directional indications will also change accordingly.

[0026] In addition, in addition to being used to represent the orientation or position relationship, the above-mentioned terms can also be used to represent other meanings, for example, the term "upper" can also be used to represent a certain dependent relationship or connection relationship in some cases. For ordinary skilled persons in the art, the specific meaning of these terms in the utility model can be understood according to the specific situation.

[0027] In addition, the terms "mounting", "setting", "provided with", "connecting", "connected", "sleeved" should be understood broadly. For example, it can be fixedly connected, detachably connected, or integrally configured; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediate medium, or it can be the internal communication between two devices, elements or components. The connection mode involved in this paper is prior art and has not been improved. It belongs to the common knowledge of those skilled in the art. For those skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific situation.

[0028] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and does not mean to particularly indicate the order or sequence, nor to limit the present application, but only to distinguish the components or operations described by the same technical terms, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor in the protection scope required by the present application.

[0029] As shown in Figs. 1 to 4 The present application provides a kind of motor shell 3 positioning mechanism, including motor main body 1;The motor main body 1 includes shell 3 and the stator 2 being arranged in shell 3, at least one stator section 4 is provided on the outer wall of stator 2;Stator section 4 corresponding stator section 4 is provided on the inner wall of shell 3;Positioning point 6 is provided on the inner wall of shell 3;Stator 2 outer wall and the inner wall of shell 3 are provided with positioning assembly 7.There is stator section 4 and shell section 5 by being set, for when stator 2 is arranged in shell 3, it plays the role of limiting placement;Positioning assembly 7 is set, and it plays the role of limiting and fixing stator 2 in shell 3;Stator section 4, shell section 5 and positioning assembly 7 are set, so that stator 2 is arranged in shell 3, and the effect of limiting and fixing is better, so that stator 2 will not loosen in shell 3;Positioning point 6 is set, and it plays the role of axial fixation when stator 2 is arranged in shell 3.

[0030] The positioning assembly 7 includes the convex point 8 being arranged on the inner wall of shell 3 and the rotation-stop groove 9 being arranged on the outer wall of stator 2;When stator 2 is arranged in shell 3, convex point 8 is arranged in rotation-stop groove 9.There is convex point 8 and rotation-stop groove 9 by being set, so that when stator 2 is assembled into shell 3, convex point 8 will be clamped into rotation-stop groove 9 to realize the purpose of limiting and fixing stator 2 arranged in shell 3.

[0031] Positioning point 6 is at least arranged below convex point 8;Positioning point 6 extends and is arranged to the inner wall of shell 3;When stator 2 is arranged in shell 3, the lower surface of the outer wall of stator 2 is in contact with positioning point 6.By arranging positioning point 6 below convex point 8, the lower surface of the outer wall of stator 2 can be in contact with positioning convex point 8, so that axial fixation and limiting arrangement can be realized when stator 2 is arranged in shell 3.

[0032] At least one positioning point 6 is arranged on the inner wall of the shell 3; the positioning point 6 is arranged in a ring shape on the inner wall of the shell 3. By arranging the at least one positioning point 6 and arranging the positioning point 6 in a ring shape on the inner wall of the shell 3, the stator 2 is better fixed and limited in the shell 3.

[0033] When the stator 2 is arranged in the shell 3, the stator section 4 is in abutment with the shell section 5. When the stator section 4 is in abutment with the shell section 5, the stator 2 cannot rotate in the shell 3 due to the arrangement of the stator section 4, so that the stator 2 is better limited in the shell 3.

[0034] The upper end of the shell 3 is provided with a flanging structure 10. By arranging the flanging structure 10, the welding work of the upper cover 11 is facilitated, and the size of the flanging is at least not greater than 2 mm, which plays a role in saving the diameter size.

[0035] Embodiment 1:

[0036] When only the shell section 5 and the stator section 4 are arranged in the motor body 1, the stator 2 is corresponded to the appropriate position with the shell 3 through the positioning point 6, and then the stator 2 is placed in the shell 3. At this time, the stator section 4 and the shell section 5 correspond to and abut each other, and then the upper cover 11 can be welded through the flanging structure 10 and fixed with the shell 3.

[0037] Embodiment 2:

[0038] When only the positioning assembly 7 is arranged in the motor body 1, the stator 2 is corresponded to the appropriate position with the shell 3 through the positioning point 6, and then the stator 2 is placed in the shell 3. At this time, the rotation stopping groove 9 arranged on the stator 2 and the convex point 8 on the shell 3 are corresponded to and abut each other, and then the upper cover 11 can be welded through the flanging structure 10 and fixed with the shell 3.

[0039] Embodiment 3:

[0040] When only the shell section 5 and the stator section 4 are arranged in the motor body 1, the stator 2 is corresponded to the appropriate position with the shell 3 through the positioning point 6, and then the stator 2 is placed in the shell 3. At this time, the stator section 4 and the shell section 5 correspond to and abut each other, and the rotation stopping groove 9 arranged on the stator 2 and the convex point 8 on the shell 3 correspond to and abut each other, and then the upper cover 11 can be welded through the flanging structure 10 and fixed with the shell 3.

[0041] The upper cover 11 in the present embodiment is a conventional component for those skilled in the art, so it is not necessary to make too much description, and it is known.

[0042] The method for welding the upper cover 11 to the shell 3 described in the present application is a process method and connecting structure which is conventional and well known to those skilled in the art, and thus no further detailed description is required.

[0043] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application.

[0044] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application.

[0045] The standard parts used in the present application can be purchased from the market, and the special-shaped parts can be ordered according to the description and drawings, and the specific connection mode of each part adopts the conventional means such as bolts, rivets, welding and sticking in the prior art, which will not be described in detail here.

[0046] The above content is only the preferred embodiment of the present application, and for those skilled in the art, according to the idea of the present application, various modifications and changes can be made in the specific implementation mode and application range, and the content of the present application should not be understood as the limitation of the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A housing positioning mechanism of an electric motor, comprising a motor body; the motor body comprising a housing and a stator provided in the housing, characterized in that: The stator outer wall is provided with at least one stator section; the inner wall of the casing is provided with a casing section corresponding to the stator section; the inner wall of the casing is provided with a positioning point; and the stator outer wall is provided with a positioning assembly.

2. A motor housing positioning mechanism according to claim 1, wherein: The positioning assembly comprises a convex point provided on the inner wall of the casing and a rotation-stopping groove provided on the stator outer wall; and when the stator is arranged in the casing, the convex point is arranged in the rotation-stopping groove.

3. A motor housing positioning mechanism according to claim 1, wherein: The positioning point is arranged at least below the convex point; the positioning point extends to the inner wall of the casing; and when the stator is arranged in the casing, the lower surface of the stator outer wall is in contact with the positioning point.

4. A motor housing positioning mechanism according to claim 3, wherein: The inner part of the casing is provided with at least one positioning point; and the positioning point is arranged in a ring shape on the inner wall of the casing.

5. A motor housing positioning mechanism according to claim 1, wherein: When the stator is arranged in the casing, the stator section is in contact with the casing section.

6. A motor housing positioning mechanism according to claim 1, wherein: The upper end of the casing is provided with a flange structure.

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