CN219304552U - Automobile starter stator without auxiliary pole - Google Patents
Automobile starter stator without auxiliary pole Download PDFInfo
- Publication number
- CN219304552U CN219304552U CN202223151146.5U CN202223151146U CN219304552U CN 219304552 U CN219304552 U CN 219304552U CN 202223151146 U CN202223151146 U CN 202223151146U CN 219304552 U CN219304552 U CN 219304552U
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- China
- Prior art keywords
- clamping plate
- elastic clamping
- shell
- magnetic steel
- stator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
The stator of the automobile starter without auxiliary poles belongs to the technical field of automobile starter, and overcomes the problems that in the prior art, magnetic steel and a fixed clamping piece are stuck on the inner wall of a shell through glue, the magnetic steel is easy to fall off, and a hook-shaped clamping part is pressed on the inner walls of two adjacent magnetic steels, so that the rotor space is occupied; the bottom of magnet steel is supported by magnet steel bottom setpoint, and the up end of magnet steel is pushed down by the elastic clamping plate upper arm, and the elastic clamping plate flank of elastic clamping plate left and right sides is bloated tightly respectively at the side terminal surface of 2 adjacent magnet steels, and elastic clamping plate fixed orifices suit is protruding in the inside of cardboard setpoint, and beneficial effect is spacing from axial, circumference, radial all-round to the magnet steel, and magnet steel and elastic clamping plate all need not glue to paste just can firmly fix the magnet steel at shells inner wall, the cost is reduced, and stability is good.
Description
Technical Field
The utility model belongs to the technical field of automobile starter, and particularly relates to an automobile starter stator without auxiliary poles.
Background
Among the prior art, welded structure's automobile starter stator includes stator casing and sets up in the auxiliary electrode and the magnet steel of shells inner wall, and wherein the magnet steel is inside the casing through cardboard and auxiliary electrode expansion joint, and the problem that exists is, needs to weld auxiliary electrode and casing together in advance, then through cardboard with magnet steel and auxiliary electrode expansion joint, has consequently increased auxiliary electrode materials, and there is the risk that the welding auxiliary electrode drops in addition. In order to solve the problem, the prior art has a structure of adopting a stator of a starter without auxiliary poles, so that the auxiliary poles are eliminated, however, the structure of the stator of the starter without auxiliary poles in the prior art is that magnetic steel of the stator and the inner wall of a shell are stuck and connected through glue, and the magnetic steel of the stator vibrates under the long-term action of electromagnetic force, so that the problem that the stator cannot work normally is caused because the magnetic steel is not firmly stuck and easily falls off. In order to solve the problem, the utility model with the application number of CN201921827104.4 discloses an adhesive fixing clamping piece for magnetic steel of a stator of an automobile starter, however, the magnetic steel of the utility model is adhered to the inner wall of a shell through glue, and the adhesive fixing clamping piece for fixing the magnetic steel is arranged between two adjacent magnetic steels and is adhered to the inner wall of the shell in a glue adhering mode. If the glue loses viscosity due to the influence of the factors of the surface cleanliness of the stator shell and the working environment temperature, any one of the magnetic steel and the adhesive fixing clamping piece falls off, so that the magnetic steel falls off, and the stator of the automobile starter is scrapped. The other application number is CN201921827002.2, the utility model discloses a magnetic steel punching and riveting fixing clamping piece of an automobile starter stator, the problem of the utility model is two, firstly, the magnetic steel of the utility model is stuck on the inner wall of a shell through glue, and secondly, the magnetic steel punching and riveting fixing clamping piece provided by the utility model is respectively pressed on the upper end surfaces of two adjacent magnetic steels by adopting a pressing piece to play a role of axial limiting; the clamping pieces are respectively pressed on the side end surfaces and the inner walls of the two adjacent magnetic steels, so that the functions of circumferential limit and radial limit are achieved; the clamping pieces are pressed on the inner walls of the two adjacent magnetic steels, as can be seen from the drawing of the specification, the hook-shaped clamping parts are pressed on the inner walls of the two adjacent magnetic steels and protrude out of the periphery of the inner walls of the magnetic steels, so that the space of the rotor is occupied, the gap between the rotor and the magnetic steels is enlarged, and the starting performance of the starter is affected. The utility model of another application number 202123241926.4 discloses a magnetic steel fixing device of an automobile starter stator, which comprises two pressing sheets which are used for being connected with the inner wall of a shell and respectively rotatably arranged at the upper end and the lower end of the fixing sheet, wherein each pressing sheet comprises a body, and a first elastic pressing strip and a second elastic pressing strip which are respectively arranged at the left side and the right side of the body, the first elastic pressing strip is sprung on the inner wall and the side end face of the magnetic steel and is used for radially limiting and circumferentially limiting the magnetic steel, and the second elastic pressing strip is sprung on the upper end face and the lower end face of the magnetic steel and is used for axially limiting the magnetic steel. As can be seen from a reading of the specification, in the embodiment of the utility model, the fixing piece is adhered or riveted with the inner wall of the shell, and one end of the two pressing pieces, which is far away from the fixing piece, is adhered or riveted with the inner wall of the shell; in the embodiment of the utility model, the first elastic pressing strip is in a hook shape, and the first elastic pressing strip extends towards the center direction of the shell. Therefore, the utility model is actually the same as two utility models with application numbers of CN201921827104.4 and CN201921827002.2, and also has the problems that the magnetic steel can fall off and occupy the space of the rotor, so that the gap between the rotor and the magnetic steel is enlarged, and the starting performance of the starter is affected.
Disclosure of Invention
The utility model aims to solve the technical problem and overcome the defects of the prior art, and provides the stator of the auxiliary-pole-free automobile starter, which does not occupy the space of a rotor, and can fix magnetic steel on the inner wall of a shell without adopting glue to adhere the magnetic steel and the inner wall of the shell.
The technical scheme adopted by the utility model comprises a shell, wherein a drain hole is punched in the shell, a U-shaped wire outlet groove is punched in the upper edge of the shell, a magnetic steel bottom positioning point which is uniformly distributed and protruded into the shell and used for axially positioning the magnetic steel and a clamping plate positioning point which is uniformly distributed and protruded into the shell and used for positioning the clamping plate are extruded along the circumferential direction on the outer wall of the shell, magnetic steels are uniformly distributed and installed on the inner wall of the shell along the circumferential direction, and an elastic clamping plate used for fixing the magnetic steels is installed between every 2 adjacent magnetic steels; the bottom of the magnetic steel is supported by the positioning point at the bottom of the magnetic steel.
The elastic clamping plate comprises an elastic clamping plate body, vertical elastic clamping plate side wings are arranged on the left side and the right side of the elastic clamping plate body, elastic clamping plate upper arms are arranged on the left side and the right side of the upper ends of the elastic clamping plate side wings, the elastic clamping plate body is similar to a shape like a Chinese character 'ji', an included angle alpha between the elastic clamping plate body and the elastic clamping plate side wings is more than 90 degrees, elastic clamping plate fixing holes matched with protrusions in clamping plate locating points are formed in the elastic clamping plate body, the upper end faces of magnetic steel are pressed by the elastic clamping plate upper arms, the elastic clamping plate side wings on the left side and the right side are respectively expanded on side end faces of the adjacent 2 magnetic steel, and the elastic clamping plate fixing holes formed in the elastic clamping plate body are sleeved on the protrusions of the clamping plate locating points.
The width of the bulge of the positioning point at the bottom of the magnetic steel to the inside of the shell is 4mm, and the height is 1.5mm; the width of the clamp plate locating point protruding into the shell is 1.5mm, and the height is 4mm.
The outer wall of the shell is also extruded with symmetrically distributed assembly limit protruding points, and the width of the assembly limit protruding points protruding into the shell is 5mm and the height is 1.5mm.
The depth of the U-shaped wire outlet groove is 14mm, and the width of the U-shaped wire outlet groove is 13mm.
The upper edge opening of the shell is stamped with a positioning notch, and the lower edge opening of the shell is stamped with an assembly positioning opening.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The bottom of the magnetic steel is supported by a positioning point at the bottom of the magnetic steel, the upper end face of the magnetic steel is pressed by the upper arm of the elastic clamping plate, the upper arm of the elastic clamping plate and the positioning point at the bottom of the magnetic steel play a role in limiting the axial direction of the magnetic steel from the upper direction and the lower direction, the expansion of the side wings of the 2 elastic clamping plates between the side end faces of the adjacent 2 magnetic steels is changed into an approximately vertical plane from an inclined plane, the elastic clamping plates themselves have elasticity, so that the side wings of the elastic clamping plates at the left side and the right side are expanded at the side end faces of the adjacent 2 magnetic steels, the effect of limiting the circumferential direction of the magnetic steel is achieved, the effect of limiting the radial direction of the magnetic steel is indirectly achieved, and the elastic clamping plate fixing holes arranged on the elastic clamping plate body are sleeved on the inner protrusions of the clamping plate positioning point, the effect of limiting the elastic clamping plates is achieved, and therefore the effect of limiting the circumferential direction and the radial direction of the magnetic steel is guaranteed. In summary, the utility model carries out the limit on the magnetic steel from the axial direction, the circumferential direction and the radial direction in all directions, thereby ensuring that the magnetic steel is firmly fixed on the inner wall of the shell and fundamentally preventing the magnetic steel from falling off.
(2) The utility model does not occupy the space of the rotor, maintains the original gap between the rotor and the magnetic steel, and can ensure the reliability of the starting performance of the starter.
(3) By adopting the structure of the utility model, the magnetic steel and the elastic clamping plate can be firmly fixed on the inner wall of the shell without being stuck with glue, thereby reducing the cost, and the utility model has simple structure and good stability, is not influenced by factors such as the cleanliness of the surface of the shell and the temperature of the working environment, and is convenient to install.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a bottom view of FIG. 1;
FIG. 4 is an enlarged view of the spring clip of the present utility model;
fig. 5 is an enlarged top view of fig. 4.
In the figure:
1. the shell body is provided with a plurality of grooves,
a U-shaped wire outlet slot,
3. the notch is positioned at the position of the positioning notch,
4. the water draining hole is provided with a water draining hole,
5. the locating point of the clamping plate,
6. the positioning point at the bottom of the magnetic steel,
7. the limit protruding points are assembled,
8. the positioning opening is assembled and positioned,
9. a magnetic steel is arranged on the inner surface of the steel plate,
10. an elastic clamping plate is arranged on the upper surface of the base,
10-1, an upper arm of the elastic clamping plate,
10-2, the side wings of the elastic clamping plate,
10-3, fixing holes of the elastic clamping plates,
10-4, an elastic clamping plate body.
Detailed Description
As shown in fig. 1 to 3, the technical scheme adopted by the utility model comprises a shell 1, wherein the diameters of an upper edge opening and a lower edge opening of the shell 1 are the same, a U-shaped wire outlet groove 2 with the depth of 14mm and the width of 13mm is punched in the upper edge opening of the shell 1, 4-6 magnetic steel bottom positioning points 6 which are uniformly distributed and protruded into the shell and are used for axially positioning magnetic steel and 4-6 clamping plate positioning points 5 which are uniformly distributed and protruded into the shell and are used for positioning clamping plates are circumferentially extruded out of the outer wall of the shell 1, and the width of the protrusion of the magnetic steel bottom positioning points 6 into the shell is 4mm and the height of the magnetic steel bottom positioning points 6 is 1.5mm; the width of the protrusion of the clamping plate positioning point 5 into the shell is 1.5mm, and the height is 4mm; 3-4 symmetrically distributed assembly limit protruding points 7 are extruded into the shell on the outer wall of the shell 1, the inward protruding width of the assembly limit protruding points 7 is 5mm, and the height is 1.5mm; a drain hole 4 with the diameter of 8mm is punched on the shell 1, a positioning notch 3 is punched on the upper edge opening of the shell 1, and an assembly positioning opening 8 is punched on the lower edge opening of the shell 1; 4-6 magnetic steels 9 are uniformly distributed and installed on the inner wall of the shell 1 along the circumferential direction, and an elastic clamping plate 10 for fixing the magnetic steels 9 is installed between every 2 adjacent magnetic steels 9;
as shown in fig. 4 to 5, the elastic clamping plate 10 comprises an elastic clamping plate body 10-4 protruding backwards, vertical elastic clamping plate side wings 10-2 are arranged on the left side and the right side of the elastic clamping plate body 10-4, elastic clamping plate upper arms 10-1 are arranged on the left side and the right side of the upper end of the elastic clamping plate side wings 10-2, the elastic clamping plate body 10-4, the elastic clamping plate side wings 10-2 and the elastic clamping plate upper arms 10-1 are in a shape similar to a Chinese character 'ji', an included angle alpha between the elastic clamping plate body 10-4 and the elastic clamping plate side wings 10-2 is more than 90 degrees, and elastic clamping plate fixing holes 10-3 matched with the protrusions in the clamping plate locating points 5 are arranged on the elastic clamping plate body 10-4;
as shown in fig. 1 to 5, the bottom of the magnetic steel 9 is supported by the magnetic steel bottom positioning point 6, the upper end surface of the magnetic steel 9 is pressed by the elastic clamping plate upper arm 10-1 of the elastic clamping plate 10 installed between the side surfaces of 2 magnetic steels 9, the elastic clamping plate upper arm 10-1 and the magnetic steel bottom positioning point 6 play a role in axially limiting the magnetic steel 9 from the upper direction and the lower direction, the outer side surfaces of the elastic clamping plate side wings 10-2 are respectively expanded and tightly connected with the side end surfaces of the adjacent 2 magnetic steels 9, so that the included angle alpha between the elastic clamping plate body 10-4 and the elastic clamping plate side wings 10-2 is changed from large to small and approximately 90 degrees, namely, the expansion of the 2 elastic clamping plate side wings between the side end surfaces of the adjacent 2 magnetic steels is changed into approximately vertical surfaces by the inclined surfaces, the elastic clamping plate 10 itself has elasticity, so that the outer side surfaces of the elastic clamping plate side wings 10-2 are expanded and tightly connected with the side end surfaces of the adjacent 2 magnetic steels 9, the effect in circumferential limiting the magnetic steel 9 is achieved, the effect in the radial limiting of the magnetic steel 9 is indirectly achieved, and the effect in the circumferential limiting the elastic clamping plate 10 is ensured on the circumferential limiting of the elastic clamping plate 10.
In summary, the utility model limits the magnetic steel 9 from all directions of axial direction, circumferential direction and radial direction, so that the magnetic steel 9 is firmly fixed on the shell 1, and the falling of the magnetic steel 9 is fundamentally prevented.
Claims (6)
1. The stator of the automobile starter without auxiliary poles comprises a shell (1), wherein a drain hole (4) is punched in the shell (1), a U-shaped wire outlet groove (2) is punched in an upper edge opening of the shell (1), and the stator is characterized in that magnetic steel bottom positioning points (6) which are uniformly distributed and protruded in the shell and used for axially positioning magnetic steel and clamping plate positioning points (5) which are uniformly distributed and protruded in the shell are circumferentially extruded on the outer wall of the shell (1), magnetic steel (9) are uniformly distributed in the circumferential direction on the inner wall of the shell (1), and an elastic clamping plate (10) used for fixing the magnetic steel (9) is arranged between every 2 adjacent magnetic steels (9); the bottom of the magnetic steel (9) is supported by the magnetic steel bottom positioning point (6).
2. The non-auxiliary automobile starter motor stator according to claim 1, wherein the elastic clamping plate (10) comprises an elastic clamping plate body (10-4), vertical elastic clamping plate side wings (10-2) are arranged on the left side and the right side of the elastic clamping plate body (10-4), elastic clamping plate upper arms (10-1) are arranged on the left side and the right side of the upper end of the elastic clamping plate side wings (10-2), the elastic clamping plate body (10-4) is similar to a shape like a Chinese character 'ji', an included angle alpha between the elastic clamping plate body (10-4) and the elastic clamping plate side wings (10-2) is larger than 90 degrees, elastic clamping plate fixing holes (10-3) matched with the inner protrusions of the clamping plate fixing points (5) are formed in the upper surface of the elastic clamping plate body (10-4), the upper end surfaces of the magnetic steels (9) are pressed by the elastic clamping plate upper arms (10-1), the elastic clamping plate side wings (10-2) on the left side and the right side are respectively expanded on the side end surfaces of the adjacent 2 magnetic steels (9), and the elastic clamping plate fixing holes (10-3) are formed in the elastic clamping plate body (10-4) in a sleeved mode.
3. The stator of the non-auxiliary automobile starter according to claim 1 or 2, wherein the width of the bulge of the magnetic steel bottom positioning point (6) into the shell is 4mm, and the height is 1.5mm; the width of the protrusion of the clamping plate locating point (5) to the inside of the shell is 1.5mm, and the height is 4mm.
4. The stator of the auxiliary pole-free automobile starter according to claim 1 or 2, wherein symmetrically distributed assembly limit protruding points (7) are extruded into the shell on the outer wall of the shell (1), and the width of the protrusion of the assembly limit protruding points (7) into the shell is 5mm, and the height is 1.5mm.
5. The stator of an unabated vehicle starter according to claim 1 or 2, characterized in that the U-shaped outlet slot (2) has a depth of 14mm and a width of 13mm.
6. The stator of a non-auxiliary motor vehicle starter according to claim 1 or 2, characterized in that a positioning notch (3) is punched in the upper edge of the housing (1), and an assembly positioning notch (8) is punched in the lower edge of the housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223151146.5U CN219304552U (en) | 2022-11-28 | 2022-11-28 | Automobile starter stator without auxiliary pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223151146.5U CN219304552U (en) | 2022-11-28 | 2022-11-28 | Automobile starter stator without auxiliary pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219304552U true CN219304552U (en) | 2023-07-04 |
Family
ID=86981285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223151146.5U Active CN219304552U (en) | 2022-11-28 | 2022-11-28 | Automobile starter stator without auxiliary pole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219304552U (en) |
-
2022
- 2022-11-28 CN CN202223151146.5U patent/CN219304552U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |