CN209805533U - stator with eight copper wires in each stator slot and insulation paper shaping tool thereof - Google Patents
stator with eight copper wires in each stator slot and insulation paper shaping tool thereof Download PDFInfo
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- CN209805533U CN209805533U CN201920621734.XU CN201920621734U CN209805533U CN 209805533 U CN209805533 U CN 209805533U CN 201920621734 U CN201920621734 U CN 201920621734U CN 209805533 U CN209805533 U CN 209805533U
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Abstract
The utility model provides a stator that every stator slot has eight copper lines and insulating paper moulds shape frock thereof, include the iron core and around establishing stator winding on the iron core, the stator slot has been seted up on the iron core, stator winding is including interlude stator slot's copper line, stator slot is interior to alternate has four insulating covers of arranging side by side, the transversal B font of personally submitting of insulating cover, two enclosure spaces that this B font encloses form respectively the perforation of insulating cover, every it has one to alternate in the perforation the copper line. The utility model also provides a shape frock is moulded to insulated paper for obtaining above-mentioned insulating cover. The utility model provides a stator, because the transversal B font of personally submitting of insulating cover, two enclosure spaces that this B font encloses form the perforation of insulating cover respectively, only alternate in every perforation has a copper line, effectively completely cuts off two adjacent copper lines in same stator slot, even the lacquer layer on the copper line drops and also can not the short circuit, and the short circuit risk is less relatively.
Description
Technical Field
The utility model relates to a motor stator and frock, especially a stator that every stator slot has eight copper lines and insulating paper moulds shape frock thereof.
Background
The stator of the motor generally comprises an iron core and a stator winding wound on the iron core, wherein the iron core is required to be provided with a plurality of stator slots for winding the stator winding, the stator winding is generally formed by integrally connecting or welding a plurality of copper wires inserted into the stator slots according to a specific sequence, and more than one copper wire is generally inserted into each stator slot.
In order to avoid mutual conduction between the iron core and the copper wires, the motor stator on the market at present is paved with insulating paper in stator slots, the cross section of the insulating paper is generally rectangular as shown in fig. 1, when more than two copper wires are inserted into each stator slot, there is a great risk of short circuit between the copper wires because the insulating paper cannot be used for insulating treatment (for example, a paint layer on the copper wires falls off due to twisting or friction to cause short circuit, etc.).
In view of the above, the applicant has made an intensive study on the structure of the stator, and has made this invention.
SUMMERY OF THE UTILITY MODEL
an object of the utility model is to provide a stator that short circuit risk is less relatively has eight copper lines and insulating paper moulds shape frock thereof.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a every stator slot has stator of eight copper lines, includes the iron core and winds and establishes stator winding on the iron core, stator slot has been seted up on the iron core, stator winding is including alternating copper line in the stator slot, stator slot is interior to alternate has four insulating covers of arranging side by side, the transversal B font of personally submitting of insulating cover, two enclosure space that this B font encloses form respectively the perforation of insulating cover, every it has one to alternate in the perforation the copper line.
As an improvement of the present invention, the insulating sleeve is a folded insulating paper.
As an improvement of the utility model, the insulating paper has six folding transverse lines of mutual parallel arrangement after expanding, six folding transverse lines will insulating paper separates for the first interval section, second interval section, third interval section, fourth interval section, fifth interval section, sixth interval section and the seventh interval section of arranging in proper order, first interval section the second interval section the third interval section with the fourth interval section is around forming one jointly the perforation, the fourth interval section the fifth interval section the sixth interval section with the seventh interval section forms another jointly the perforation, first interval section with the seventh interval section supports each other, and each the perforation all is located the same one side of fourth interval section.
As an improvement of the utility model, the insulating paper has six folding transverse lines of mutual parallel arrangement after expanding, six folding transverse lines will insulating paper separates for the first interval section, second interval section, third interval section, fourth interval section, fifth interval section, sixth interval section and the seventh interval section of arranging in proper order, first interval section the second interval section the third interval section with fourth interval section is common around forming one the perforation, the fourth interval section the fifth interval section the sixth interval section with seventh interval section forms another jointly the perforation, two the perforation is located respectively the both sides of fourth interval section.
An insulation paper shaping tool comprises a base and a gland, wherein a through groove with a square cross section is formed in the base, two baffle strips which are respectively abutted against two side walls of the through groove are placed at the groove bottom of the through groove, a long groove which is arranged in parallel with the through groove is formed between the two baffle strips, V-shaped grooves are respectively formed in the two side walls of the long groove, the gland is provided with a convex strip which is tightly pressed on the two baffle strips, a sharp strip which is inserted into the long groove is integrally connected onto the convex strip, the cross section of the sharp strip is in an isosceles triangle shape, the bottom edge of the isosceles triangle is arranged in parallel with the groove bottom of the long groove, one angle of the isosceles triangle faces the groove bottom of the long groove, shaping holes are formed by the groove bottom of the long groove, the side surfaces of the sharp strip, corresponding to the waist edge of the isosceles triangle shape triangle, and the side walls of the V-shaped, the cross section shape of the shaping strip is the same as that of the shaping hole.
as an improvement of the utility model, the sand grip with the notch orientation has been seted up to the position department that isosceles triangle's central line corresponds the slot of the tank bottom of elongated slot, fixed connection or an organic whole are connected with and alternate in moulding strip picture peg in the slot.
As an improvement of the utility model, the cross section of the stop bar is L-shaped.
Adopt above-mentioned technical scheme, the utility model discloses following beneficial effect has:
1. the utility model provides a stator, because the transversal B font of personally submitting of insulating cover, two enclosure spaces that this B font encloses form the perforation of insulating cover respectively, only alternate in every perforation has a copper line, effectively completely cuts off two adjacent copper lines in same stator slot, even the lacquer layer on the copper line drops and also can not the short circuit, and the short circuit risk is less relatively.
2. The utility model provides a frock can realize folding into the insulating cover of transversal personally submitting B font with insulating paper fast, helps reducing the short circuit risk of stator, and production efficiency is higher relatively.
Drawings
Fig. 1 is a schematic cross-sectional structure of an insulating paper in a conventional stator;
FIG. 2 is a schematic cross-sectional view of an insulating sheath according to an embodiment;
FIG. 3 is a schematic cross-sectional structure diagram of another insulation sleeve provided by the embodiment;
Fig. 4 is a schematic structural diagram of an insulating paper shaping tool provided in the embodiment;
FIG. 5 is a schematic structural diagram of a gland of the insulating paper shaping tool in the embodiment;
Fig. 6 is a schematic structural diagram of a shaping strip of the insulation paper shaping tool in the embodiment.
The designations in the figures correspond to the following:
10-an insulating sleeve; 20-punching;
30-a base; 31-a through slot;
40-pressing cover; 41-convex strips;
42-spike strip; 43-slot;
50-a stop bar; 60-shaping strips;
61-plug board.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments.
The stator that every stator slot has eight copper lines that this embodiment provided, include iron core (not shown in the figure) and around establishing stator winding (not shown in the figure) on the iron core, wherein, seted up a plurality of evenly distributed stator slots on the iron core, stator winding includes the many copper lines of interlude respectively in each stator slot, and the interlude has eight copper lines in every stator slot, and above-mentioned iron core and stator winding are the iron core and the stator winding that conventional motor stator adopted, and not the key point of this embodiment, no longer detailed here.
The important point of this embodiment is that four insulation sleeves arranged side by side are inserted into a stator slot, as shown in fig. 2 and 3, the cross section of the insulation sleeve 10 is B-shaped, two closed spaces surrounded by the B-shaped form through holes 20 of the insulation sleeve 10, respectively, and a copper wire is inserted into each through hole 20, so that the four insulation sleeves 10 have eight through holes 20 in total for inserting eight copper wires.
The insulating sheath 10 is a folded insulating paper, i.e. the insulating sheath is in a cardboard shape after being unfolded. For convenience of description, one surface of the insulating paper before being folded is taken as a front surface, and the corresponding other surface is taken as a back surface.
First, as shown in fig. 2, the insulation paper is equally divided into seven parts along the length or width direction thereof, and then two adjacent parts are folded so that they are perpendicular to each other, and when folded, the insulation paper is folded from both sides of the insulation paper in the length or width direction, and the folding directions of the two sides are opposite, for example, one side of the insulation paper is rotated toward the front side, and the other side of the insulation paper is rotated toward the reverse side, so that the insulation paper has six folding lines arranged in parallel after being unfolded, the six folding lines divide the insulation paper into a first interval section, a second interval section, a third interval section, a fourth interval section, a fifth interval section, a sixth interval section and a seventh interval section which are arranged in sequence, after folded, the first interval section, the second interval section, the third interval section and the fourth interval section surround together to form a through hole, and the fourth interval section, the fifth interval section, the sixth interval section and the seventh interval section together form another through hole, the two perforations are respectively positioned at two sides of the fourth interval section. Although the insulating sleeve obtained by the method can effectively isolate two adjacent copper wires in the same stator slot, gaps can be formed between the first spacing segment and the fourth spacing segment and between the seventh spacing segment and the fourth spacing segment, and if the stator is twisted for the second time in the production process, the copper wires are easily exposed from the gaps and then contact with the side wall of the stator slot, so that the insulating effect is relatively poor.
second, as shown in fig. 3, the insulating paper is divided into seven parts along its length or width, wherein the first and second three parts have the same width and are each half of the middle part. Folding two adjacent portions so that they are perpendicular to each other, folding from both sides in the length or width direction of the insulating paper, respectively, in the same folding direction, for example, rotating the insulating paper from one side to the front side, and rotating the insulating paper towards the front direction on the other side, so that the insulating paper has six folding transverse lines which are arranged in parallel after being unfolded, the six folding transverse lines divide the insulating paper into a first interval section, a second interval section, a third interval section, a fourth interval section, a fifth interval section, a sixth interval section and a seventh interval section which are sequentially arranged, the first interval section, the second interval section, the third interval section and the fourth interval section surround together to form a through hole, the fourth interval section, the fifth interval section, the sixth interval section and the seventh interval section form another through hole together, the first interval section and the seventh interval section abut against each other, and the through holes are positioned on the same side of the fourth interval section. The insulating sleeve obtained by the method can effectively isolate two adjacent copper wires in the same stator slot, however, the copper wires are wrapped more compactly, and the insulating effect is relatively good.
as shown in fig. 4 to 6, the present embodiment further provides an insulation paper shaping tool, which can be used for quickly obtaining the second insulation sleeve 10, and the insulation paper shaping tool includes a base 30 and a pressing cover 40, wherein a through groove 31 with a square cross section is formed on the base 30, two stop strips 50 respectively abutting against two side walls of the through groove 31 are placed at the bottom of the through groove 31, a long groove arranged in parallel with the through groove 31 is formed between the two stop strips 50, V-shaped grooves are respectively formed on two side walls of the long groove, preferably, in the present embodiment, the cross section of each stop strip 50 is L-shaped, the L-shaped cross edges of the two stop strips 50 are arranged oppositely, the V-shaped groove is formed on an end portion of one end of the stop strip 50 corresponding to the cross edge, and the long groove is formed between the two end portions.
The gland 40 is provided with a convex strip 41 pressed on the two stop strips 50, specifically, the convex strip 41 is pressed on the L-shaped transverse edges of the two stop strips 50, meanwhile, the convex strip 41 is integrally connected with a sharp strip 42 which is inserted in the long groove and covers the notch position of the long groove, namely, the sharp strip 42 belongs to one part of the convex strip 41, the cross section of the sharp strip 42 is in the shape of an isosceles triangle, the bottom edge of the isosceles triangle is arranged in parallel with the groove bottom of the long groove, and one angle of the isosceles triangle faces to the groove bottom of the long groove, so that the groove bottom of the long groove, the side surfaces of the sharp strip 42 corresponding to the isosceles triangle in the cross section and the side walls of each V-shaped groove form. Preferably, the side of the pointed strip 42 corresponding to the waist of the isosceles triangle of its cross-section is preferably arranged parallel to the corresponding side wall formed by the V.
the shaping strip 60 is inserted into the shaping hole, and the cross section of the shaping strip 60 is the same as that of the shaping hole, but the size of the cross section of the shaping hole is smaller than that of the shaping hole. Like this, the strip insulation paper that the width matches with the cross section girth of moulding hole 60 penetrates the clearance between moulding hole and the moulding strip 60 from the one end of moulding hole 60 to pull out the back from the other end, can be moulded into the semi-manufactured goods insulating boot that the cross section is the same with the cross section of moulding strip 60, later tailor the semi-manufactured goods insulating boot according to the length of stator slot and support two unsettled sections of the semi-manufactured goods insulating boot after will tailorring each other, can form insulating boot 10, after insulating boot 10 was penetrated the stator slot, receive the effect of the cell wall of stator slot, its insulating boot 10 can not resume under its internal stress effect and be the state of semi-manufactured goods insulating boot.
In order to avoid that the shaping strip 60 is pulled out along with the insulating paper strip when the insulating paper strip is shaped, in the embodiment, preferably, the convex strip 41 is provided with a slot 43 with a notch facing the bottom of the long slot at a position corresponding to the center line of the isosceles triangle of the cross section of the sharp strip 42, and the slot 43 divides the sharp strip 42 into two parts. The shaping strip 60 is fixedly connected or integrally connected with an inserting plate 61 inserted in the slot 43, and the inserting plate 61 and the slot 43 are preferably in interference fit, so that the shaping strip 60 is fastened.
the present invention has been described in detail with reference to the accompanying drawings, but the embodiments of the present invention are not limited to the above embodiments, and those skilled in the art can make various modifications to the present invention according to the prior art, and these all belong to the protection scope of the present invention.
Claims (7)
1. The utility model provides a every stator slot has stator of eight copper lines, includes the iron core and winds and establishes stator winding on the iron core, stator slot has been seted up on the iron core, stator winding is including alternating copper line in the stator slot, its characterized in that, stator slot is interior to alternate has four insulating covers of arranging side by side, the transversal B font of personally submitting of insulating cover, two enclosure space that this B font encloses form respectively the perforation of insulating cover, every it has one to alternate in the perforation the copper line.
2. The stator having eight copper wires per stator slot as claimed in claim 1 wherein said insulating sleeve is folded insulating paper.
3. The stator according to claim 2, wherein the insulation paper has six folding lines arranged in parallel after being unfolded, the six folding lines divide the insulation paper into a first spacing segment, a second spacing segment, a third spacing segment, a fourth spacing segment, a fifth spacing segment, a sixth spacing segment and a seventh spacing segment which are arranged in sequence, the first spacing segment, the second spacing segment, the third spacing segment and the fourth spacing segment surround and form one perforation, the fourth spacing segment, the fifth spacing segment, the sixth spacing segment and the seventh spacing segment form another perforation, the first spacing segment and the seventh spacing segment abut against each other, and the perforations are located on the same side of the fourth spacing segment.
4. The stator having eight copper wires per stator slot as claimed in claim 2, wherein the insulation paper is unfolded to have six folding lines arranged in parallel with each other, the six folding lines divide the insulation paper into a first interval section, a second interval section, a third interval section, a fourth interval section, a fifth interval section, a sixth interval section and a seventh interval section which are arranged in sequence, the first interval section, the second interval section, the third interval section and the fourth interval section surround together to form one perforation, the fourth interval section, the fifth interval section, the sixth interval section and the seventh interval section surround together to form another perforation, and the two perforations are respectively located at two sides of the fourth interval section.
5. the insulating paper shaping tool is characterized by comprising a base and a gland, wherein a through groove with a square cross section is formed in the base, two baffle strips which are respectively abutted against two side walls of the through groove are placed at the bottom of the through groove, a long groove which is arranged in parallel with the through groove is formed between the two baffle strips, V-shaped grooves are respectively formed in the two side walls of the long groove, the gland is provided with a convex strip which is tightly pressed on the two baffle strips, a sharp strip which is inserted into the long groove is integrally connected onto the convex strip, the cross section of the sharp strip is in the shape of an isosceles triangle, the bottom edge of the isosceles triangle is arranged in parallel with the bottom edge of the long groove, one angle of the isosceles triangle faces the bottom edge of the long groove, and shaping holes are formed by the bottom edge of the long groove, the side surface of the sharp strip corresponding to the waist edge of the isosceles triangle and the side, a shaping strip is inserted into the shaping hole in a penetrating mode, and the shape of the cross section of the shaping strip is the same as that of the cross section of the shaping hole.
6. The insulation paper shaping tool according to claim 5, wherein the protruding strip is provided with a slot with a notch facing the bottom of the long slot at a position corresponding to the center line of the isosceles triangle, and the shaping strip is fixedly or integrally connected with an inserting plate inserted into the slot.
7. The insulation paper shaping tool according to claim 5, wherein the cross section of the stop bar is L-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920621734.XU CN209805533U (en) | 2019-04-30 | 2019-04-30 | stator with eight copper wires in each stator slot and insulation paper shaping tool thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920621734.XU CN209805533U (en) | 2019-04-30 | 2019-04-30 | stator with eight copper wires in each stator slot and insulation paper shaping tool thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209805533U true CN209805533U (en) | 2019-12-17 |
Family
ID=68831806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920621734.XU Active CN209805533U (en) | 2019-04-30 | 2019-04-30 | stator with eight copper wires in each stator slot and insulation paper shaping tool thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209805533U (en) |
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2019
- 2019-04-30 CN CN201920621734.XU patent/CN209805533U/en active Active
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