CN115395680A

CN115395680A - Novel starter stator assembly

Info

Publication number: CN115395680A
Application number: CN202211168955.9A
Authority: CN
Inventors: 张熙泽
Original assignee: Zhenjiang Zejia Automobile Parts Co ltd
Current assignee: Zhenjiang Zejia Automobile Parts Co ltd
Priority date: 2022-09-25
Filing date: 2022-09-25
Publication date: 2022-11-25

Abstract

The invention relates to a novel starter stator assembly which comprises a winding framework and winding groups, wherein the winding groups are wound on the inner side of the winding framework, and the number of the winding groups is not less than six and is used for constructing an electromagnetic circuit; the winding framework comprises an outer overlapping sleeve, a framework body and an inner overlapping sleeve, wherein the outer overlapping sleeve is sleeved outside the framework body, and the inner overlapping sleeve is embedded inside the framework body. This novel starter stator assembly, use inside and outside pile cover on the skeleton body, the lower iron plate of carbon content can be cancelled in inside and outside pile cover's silicon steel ring's design, has reduced the processing step, simultaneously, outside pile cover is as outside protection basis, need not from newly-increased shell, reduce the cost, can realize with the equal requirement of conventional starter stator, a large amount of materials have been practiced thrift simultaneously, to starting motor, utilize the form of silicon steel ring on the starter, no matter have very big promotion and the innovation of reform in performance and structure.

Description

Novel starter stator assembly

Technical Field

The invention relates to the technical field of motors, in particular to a novel starter stator assembly.

Background

The starter is essentially a direct current motor, and the stator of the starter is similar to a common direct current motor and has two modes of permanent magnet and excitation. We refer here only to the excited stator. The excitation stator must have excitation coil, and the excitation coil stator of traditional starter mainly is by the pipe after steel pipe or the steel sheet edge rolling as the shell of stator, generally adopts flat type copper wire to wind the coil and carry out insulation treatment according to the power size, thereby for electrified coil produces magnetic field and produces power, generally adopts the iron plate that the carbon content is lower, calls the magnetic pole, overlaps in circle earlier, adopts modes such as screw or riveting, welding to fix inside the stator shell.

In the application scene of medium and low power, the product uses a large amount of raw materials, so that the processing technology is complicated, and the problems of long production period, high labor cost and the like are caused.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a novel starter stator assembly which has the advantage of convenient processing and solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a novel starter stator assembly comprises a winding framework and winding groups, wherein the winding groups are wound on the inner side of the winding framework, the number of the winding groups is not less than six, and the winding groups are used for constituting an electromagnetic circuit;

the winding framework comprises an outer overlapping sleeve, a framework body and an inner overlapping sleeve, the outer overlapping sleeve is sleeved outside the framework body, the inner overlapping sleeve is embedded inside the framework body, and the inner side of the framework body is provided with stator teeth with the same number as the winding groups and used for winding the winding groups.

Furthermore, the outer stack sleeve and the inner stack sleeve are silicon steel sheet stack sleeves and are used for improving the magnetic conductivity of the electromagnetic circuit and reducing the iron loss.

Furthermore, the outer overlapping sleeve is provided with a groove which is concave inwards, and the groove can extend to the framework body, so that the fastening performance of the outer overlapping sleeve and the outer side of the framework body can be improved.

Furthermore, a T-shaped groove which is concave towards the inner side and sleeved on the stator teeth is arranged in the inner overlapping sleeve, and the T-shaped groove is used for improving the stability of connection with the inner side of the framework body.

Further, the outer edge diameters of the upper side and the lower side of the framework body are larger than the outer diameter of the outer sleeve, so that the outer sleeve is limited and prevented from shaking.

Furthermore, the inner diameters of the upper side and the lower side of the framework body are larger than the outer diameter of the inner sleeve, and the inner sleeve is used for limiting the upper and lower movement of the outer sleeve.

Further, the top of the framework body is also connected with mounting lugs, the number of the mounting lugs is more than three, and thread grooves for assembling screws are formed in the mounting lugs.

(III) advantageous effects

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this novel starter stator assembly uses inside and outside pile cover on the skeleton body, and the lower iron plate of carbon content can be cancelled in the design of inside and outside pile cover's silicon steel ring, has reduced the processing step, simultaneously, and outside pile cover is as outside protection basis, need not from newly-increased shell, reduce cost.

2. This neotype starter stator assembly can realize with the equal requirement of conventional starter stator, has practiced thrift a large amount of materials simultaneously, to starting motor, utilizes the form of silicon steel ring on the starter, no matter all has very big promotion and innovation in performance and structure.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic diagram of the exploded perspective structure of the present invention.

In the figure: 1 winding framework, 2 winding groups, 3 outer overlapping sleeves, 4 framework bodies and 5 inner overlapping sleeves.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, a stator assembly of a starter according to the present embodiment includes a bobbin 1 and winding groups 2, wherein the winding groups 2 are wound around the bobbin 1, and the number of the winding groups 2 is not less than six for configuring an electromagnetic circuit;

the winding group 2 and the winding framework 1 are combined into a whole, a motor shell is omitted, processing steps are reduced, and the simplicity of work is improved.

The winding framework 1 comprises an outer overlapping sleeve 3, a framework body 4 and an inner overlapping sleeve 5, wherein the outer overlapping sleeve 3 is sleeved outside the framework body 4, the inner overlapping sleeve 5 is embedded inside the framework body 4, and the inner side of the framework body 4 is provided with stator teeth with the same number as the winding groups 2 and used for winding the winding groups 2;

the winding set 2 is directly wound on the framework body 4 with the outer sleeve 3 (shell), the outer sleeve 3 and the framework body 4 are integrally formed without being fixed in the shell of the transmission stator in a screw or riveting, welding and other modes, and the stator and the shell are integrated, so that the processing steps are reduced.

The outer stack 3 and the inner stack 5 in the embodiment are silicon steel sheet stacks and are used for improving the magnetic conductivity of the electromagnetic circuit and reducing the iron loss;

the outer sleeve 3 can play a role in external protection and also can be used as a basis for improving the magnetic conductivity of the electromagnetic circuit, and an iron block with low carbon content does not need to be additionally assembled, so that the cost is reduced.

The outer overlapping sleeve 3 is provided with a groove which is concave inwards, and the groove can extend to the framework body 4, so that the tightness of connection with the outer side of the framework body 4 can be improved; in implementation, the inner overlapping sleeve 5 is provided with a T-shaped groove which is concave inwards and sleeved on the stator teeth, so that the stability of connection with the inner side of the framework body 4 is improved;

the recessed design of the inner and outer overlapping sleeves can increase the locking degree with the framework body 4, the framework body 4 is directly molded between the inner and outer overlapping sleeves in an injection molding manner, and before molding, the inner and outer overlapping sleeves are coated with curing layers to increase the mutual grasping force with the framework body 4.

In fig. 1, the outer edge diameters of the upper and lower sides of the framework body 4 are larger than the outer diameter of the outer sleeve 3, so as to limit the outer sleeve 3 and prevent shaking; the inner diameters of the upper side and the lower side of the framework body 4 are larger than the outer diameter of the inner sleeve 5, and the inner sleeve is used for limiting the up-and-down movement of the outer sleeve 3;

the end part of the framework body 4 protrudes out, so that the inner and outer overlapping sleeves are effectively limited on the framework body 4, and the influence on the magnetic conductivity due to the clearance shaking generated by friction is prevented.

In some embodiments, the top of the frame body 4 is further connected with more than three mounting bumps, and the mounting bumps are provided with thread grooves for assembling screws, so that the connection with the cover plate is facilitated, the process is simplified, and the working efficiency is increased.

The working principle of the above embodiment is as follows:

(1) The silicon steel coils are laminated to the designed thickness according to the related requirements, enameled wires are adopted to wind the coils on the magnet yoke of the laminated stator according to the power design requirement, and certain insulation and curing fixing treatment is carried out, so that the stator assembly can be completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel starter stator assembly, includes bobbin (1) and winding group (2), its characterized in that: winding groups (2) are wound on the inner side of the winding framework (1), wherein the number of the winding groups (2) is not less than six, and the winding groups are used for forming an electromagnetic circuit;

the winding framework (1) comprises an outer overlapping sleeve (3), a framework body (4) and an inner overlapping sleeve (5), the outer overlapping sleeve (3) is sleeved outside the framework body (4), the inner overlapping sleeve (5) is embedded inside the framework body (4), and stator teeth with the same number as the winding groups (2) are arranged inside the framework body (4) and used for winding the winding groups (2).

2. The starter stator assembly as claimed in claim 1 wherein: the outer stack sleeve (3) and the inner stack sleeve (5) are silicon steel sheet stack sleeves and are used for improving the magnetic conductivity of the electromagnetic circuit and reducing the iron loss.

3. The starter stator assembly as claimed in claim 1 wherein: the outer overlapping sleeve (3) is provided with a groove which is concave inwards, the groove can extend to the framework body (4), and the fastening performance of the outer overlapping sleeve and the outer side of the framework body (4) can be improved.

4. The starter stator assembly as claimed in claim 1, wherein: the inner overlapping sleeve (5) is internally provided with a T-shaped groove which is concave towards the inner side and sleeved on the stator teeth, and the T-shaped groove is used for improving the stability of connection with the inner side of the framework body (4).

5. The starter stator assembly as claimed in claim 1, wherein: the outer edge diameters of the upper side and the lower side of the framework body (4) are larger than the outer diameter of the outer sleeve (3) and used for limiting the outer sleeve (3) and preventing shaking.

6. The starter stator assembly as claimed in claim 1, wherein: the inner diameters of the upper side and the lower side of the framework body (4) are larger than the outer diameter of the inner sleeve (5) and used for limiting the upper and lower movement of the outer sleeve (3).

7. The starter stator assembly as claimed in claim 1, wherein: the top of the framework body (4) is also connected with mounting lugs, the number of the mounting lugs is more than three, and thread grooves for assembling screws are formed in the mounting lugs.

8. The starter stator assembly as claimed in claim 1, wherein: the framework body (4) is an insulating framework body, and a curing layer is coated between the framework body (4) and the inner and outer overlapping sleeves.