CN208939675U - A kind of anti-bias stator punching - Google Patents

Abstract

The utility model discloses a kind of anti-bias stator punchings, the anti-bias stator punching is related to motor component field, including punching ontology and multiple teeth portion, the periphery wall of the punching ontology is provided with several cramp slots and several locating slots, the cramp slot and the locating slot interval are arranged, the inner wall of the locating slot is provided with several grooves to teeth portion direction recess, and the groove is not overlapped with the central point of the junction of the locating slot with the central point of the bottom surface of the locating slot；The inner wall of the cramp slot is provided at least two half slots to teeth portion direction recess, and the inner wall of the cramp slot is provided with several lug bosses, and the lug boss and the half slot interval are arranged；Using the above structure, it solves the problems, such as that existing stator punching is easy dislocation, has the advantages that improve the installation accuracy of stator punching.

Description

A kind of anti-bias stator punching

Technical field

The utility model relates to motor component field, in particular to a kind of anti-bias stator punching.

Background technique

After being stacked into stator, copper wire is wound on winding slot stator punching.It is acted in factors such as motor operation starting, emergency stops Under, copper wire is influenced by electromagnetic force, fuel factor and mechanical stress, and there are also the vibrations and punching that occur under serious short-circuit conditions Hit, copper wire is likely to occur deformation and displacement in winding slot, therefore winding is wanted to be fixed in winding slot reliably, it is necessary to make copper wire with around Wire casing has good Mechanical Contact, plays anti-loosing effect.Traditional locking measures are to wind low-resistance irony in copper wire outer surface Asbestos yarn, but anti-loosing effect is still not ideal enough.

Authorization Notice No. discloses a kind of stator punching for the Chinese patent of CN205377478U, its key points of the technical solution are that Including punching ontology, the inner periphery of punching ontology has been evenly spaced on multiple stator tooths, is formed between two neighboring stator tooth Winding slot, the two sidewalls of the winding slot are equipped with several limiting slots along the distribution of coiling cell wall length direction, each limit The protrusion of oriented limiting slot closed end side extension is all provided at the notch of position slot.

It is in place of the deficiencies in the prior art, stator punching slices is stacked to rule when due to using stator punching Then fixed size is welded by welding gun make-up film trap, adjacent stators piece is made to merge into an organic whole；But outside said stator punching Wall easily causes installation deviation occur in accumulation, especially is easy to influence stator there is a phenomenon where misplacing in welding Normal work.

Utility model content

The purpose of the utility model is to provide a kind of anti-bias stator punchings, and which solve existing stator punchings to be easy dislocation The problem of, have the advantages that improve the welding effect of stator punching.

The above-mentioned technical purpose of the utility model has the technical scheme that

A kind of anti-bias stator punching, including punching ontology and multiple teeth portion, the periphery of the punching ontology are provided with several Cramp slot and several locating slots, the cramp slot and the locating slot interval are arranged, and the inner wall of the locating slot is to the teeth portion Direction recess is provided with several grooves, the central point of the junction of the groove and the locating slot not bottom with the locating slot The central point in face is overlapped；The inner wall of the cramp slot is provided at least two half slots, the button to teeth portion direction recess The inner wall of film trap is provided with several lug bosses, and the lug boss and the half slot interval are arranged.

Using the above scheme, in order to which multiple punching ontologies are stacked and accurately fix, it is arranged at its outer wall interval Cramp slot and locating slot, and groove is set in locating slot, lug boss is set in cramp slot, is convenient for punching in folded Luo Shiding Level is true, is not susceptible to misplace；In addition half slot is added in cramp slot, solder is placed directly against in half slot and groove, solder It is big with the contact area of punching ontology so that solder punching ontology is welded together it is rear not easily to fall off；In addition, in cramp slot and In locating slot when compacting cramp, cramp slot and positioning groove center receive biggish extruding force, due to the bias of half slot and groove Setting avoids solder from being pressurized and is detached from, the welding effect being further ensured that between stator punching.

Further preferably are as follows: the locating slot is dovetail groove, and the bottom surface of the locating slot is concordant with the groove.

Using the above scheme, locating slot is set to the interior buckle-like of swallow-tail form, when suppressing cramp, cramp is in locating slot The pressure at the oblique center of its side wall is received, to limit the offset of punching ontology, is convenient for by punching accurate positioning in folded sieve, no It is easily dislocated, to improve the welding effect of stator punching.

Further preferably are as follows: the side walls collapse of the groove is provided with semi circular surface, the bottom of the semi circular surface and the groove Face and the bottom surface of the locating slot are tangent.

Using the above scheme, the side wall of groove is arranged to semi circular surface, so that after solder welds together punching ontology Not easy to fall off, solder is directly clamped among in groove, and welding effect is good, simultaneously because recess sidewall is smooth cambered surface, so weldering It is not in gap and welding blind area when connecing, solder is directly saturated with groove, firm welding.

Further preferably are as follows: the junction rounding off of the cramp slot and the half slot；The outer wall of the lug boss And the two rounding off concordant with the inner wall of the half slot.

Using the above scheme, the junction of half slot and cramp slot and lug boss is arranged to the cambered surface of rounding off, is made Solder welds together punching ontology rear not easy to fall off, solder is directly clamped among in groove, and welding effect is good, simultaneously because Recess sidewall is smooth cambered surface, so being not in gap and welding blind area when welding, solder is directly saturated with groove, welding jail Gu.

Further preferably are as follows: the periphery of the punching ontology is provided with arc groove, and the arc groove is located at the cramp slot Between the locating slot.

Using the above scheme, by adding an arc groove, while being welded and fixed convenient for punching ontology, it is convenient for stator Positioning in punching circumferential direction, so that the cooperation between punching ontology is more closely, to improve the welding effect of stator punching.

Further preferably are as follows: multiple heat release holes, several heat release holes and the positioning are provided on the punching ontology Slot, the cramp slot and arc groove interval setting.

Using the above scheme, during the work time, the thermal energy that the conductor energization being wrapped in teeth portion generates is transferred to punching On ontology, the thermal energy of punching body interior is distributed using heat release hole, reduces the intrinsic stress of punching, extends punching The service life of ontology.

Further preferably are as follows: caulking groove is formed between the teeth portion, the caulking groove and the teeth portion correspond.

Using the above scheme, to guarantee that it is flat between corresponding adjustment carrier and each teeth portion of guarantee that each teeth portion has Weighing apparatus.

Further preferably are as follows: the caulking groove include arcwall face, the tapered edge for being successively relatively arranged on the arcwall face two sides, Bevel edge and straight flange, the tapered edge are arranged in obtuse angle with the bevel edge.

Using the above scheme, conductor is passed through and is wrapped on adjacent caulking groove, since the total conductor volume after winding is larger, By setting tapered edge and bevel edge, so that the width of caulking groove avoids conductor along being gradually reduced towards the width on the direction at center It is detached from caulking groove along straight flange, guarantees the normal operation of punching ontology.

Further preferably are as follows: the side wall that the caulking groove is located at the tapered edge is provided with multiple raised lines, the raised line The junction rounding off of the inner wall of outer wall and the caulking groove.

Using the above scheme, it is equipped with the linear raised line of multiple strips on the surface of caulking groove, greatly strengthens teeth portion in this way Elasticity and flexibility, ensure that the limitation that degree is bent in teeth portion use process, while also pass through teeth portion with conductor Perseverance friction and be not easy to burst.

In conclusion the utility model has the following beneficial effects: punching ontology outer wall interval setting cramp slot and Locating slot, and groove is set in locating slot, lug boss is set in cramp slot, is convenient for punching accurate positioning in folded sieve, It is not susceptible to misplace, improves the welding effect of stator punching.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the stator punching of embodiment；

Fig. 2 is the enlarged drawing in the portion A of Fig. 1, for showing the connection relationship between caulking groove and teeth portion.

In figure, 1, punching ontology；2, teeth portion；3, positioning component；4, cramp slot；41, half slot；42, lug boss；5, it positions Slot；51, groove；52, semi circular surface；6, arc groove；7, caulking groove；71, arcwall face；72, tapered edge；73, bevel edge；74, straight flange；75, Raised line；8, heat release hole.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

A kind of anti-bias stator punching, as shown in Figure 1, including punching ontology 1, multiple internal perisporiums for being set to punching ontology 1 Teeth portion 2, be set to punching ontology 1 periphery wall positioning component 3.Wherein, locating piece includes be set to punching ontology 1 outer Two cramp slots, 4, two locating slots 5 and arc groove 6 of peripheral wall；And cramp slot 4 and the interval of locating slot 5 are arranged, arc groove 6 is located at Therebetween.Cramp slot 4 and locating slot 5 are set at the outer wall interval of punching ontology 1, convenient for positioning is quasi- in folded sieve by punching Really, it is not susceptible to misplace；Arc groove 6 is set in the outer wall of punching ontology 1 simultaneously, convenient for the positioning in stator punching circumferential direction, from And improve the welding effect of stator punching.

Multiple heat release holes 8 are provided on punching ontology 1, between several heat release holes 8 and locating slot 5, cramp slot 4 and arc groove 6 Every setting.During the work time, the thermal energy that the conductor energization being wrapped in teeth portion 2 generates is transferred on punching ontology 1, using Heat release hole 8 distributes the thermal energy inside punching ontology 1, reduces the stress in punching ontology 1, extends making for punching ontology 1 Use the service life.

Towards central concave setting there are two half slot 41, the bottom surface protrusion of cramp slot 4 is provided with position for the bottom surface of cramp slot 4 Lug boss 42 between half slot 41.Wherein, the inner wall of half slot 41 and the outer wall of lug boss 42 and the bottom surface of cramp slot 4 are equal Rounding off.The bottom surface of locating slot 5 is located at calmly towards central concave setting fluted 51, groove 51 and the junction of locating slot 5 At the center of the bottom surface of position slot 5, the side wall of groove 51 is provided with the semi circular surface 52 of indent.Wherein, locating slot 5 is dovetail groove, and The bottom surface of locating slot 5 is parallel with groove 51；Semi circular surface 52 and the bottom surface of groove 51 and the bottom surface of locating slot 5 are tangent.

Half slot 41 is added in cramp slot 4, solder is placed directly against in half slot 41 and groove 51, solder and punching ontology 1 contact area is big so that solder punching ontology 1 is welded together it is rear not easily to fall off.In addition, in cramp slot 4 and locating slot 5 When interior compacting cramp, cramp slot 4 and 5 center of locating slot receive biggish extruding force, due to the bias of half slot 41 and groove 51 Setting avoids solder from being pressurized and is detached from, to improve the welding effect of stator punching.

The caulking groove 7 worn for conductor is formed between teeth portion 2, caulking groove 7 and teeth portion 2 correspond.Referring to Fig. 2, caulking groove 7(ginseng According to Fig. 1) it include arcwall face 71, the tapered edge 72 for being successively relatively arranged on 71 two sides of arcwall face, bevel edge 73 and straight flange 74, tapered edge 72 are arranged in obtuse angle with bevel edge 73.The side wall that caulking groove 7 is located at tapered edge 72 is provided with multiple raised lines 75, the outer wall of raised line 75 with The junction rounding off of the inner wall of caulking groove 7.Conductor is passed through and is wrapped on adjacent caulking groove 7, since the conductor after winding is total Volume is larger, by setting tapered edge 72 and bevel edge 73 so that the width of caulking groove 7 along towards the width on the direction at center gradually Reduce, avoids conductor from being detached from caulking groove 7 along straight flange 74, guarantee the normal operation of stator punching.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as within the protection scope of the present utility model all by the protection of Patent Law.

Claims (9)

1. a kind of anti-bias stator punching, including punching ontology (1) and multiple teeth portion (2), it is characterized in that: the punching ontology (1) Periphery wall be provided with several cramp slots (4) and several locating slots (5), the cramp slot (4) sets with the locating slot (5) interval Set, the inner wall of the locating slot (5) is provided with several grooves (51) to the teeth portion (2) direction recess, the groove (51) with The central point of the junction of the locating slot (5) is not overlapped with the central point of the bottom surface of the locating slot (5)；The cramp slot (4) inner wall is provided at least two half slots (41) to the teeth portion (2) direction recess, and the inner wall of the cramp slot (4) is set It is equipped with several lug bosses (42), the lug boss (42) and the half slot (41) interval are arranged.

2. a kind of anti-bias stator punching according to claim 1, it is characterized in that: the locating slot (5) is dovetail groove, it is described The bottom surface of locating slot (5) is parallel with the groove (51).

3. a kind of anti-bias stator punching according to claim 1, it is characterized in that: the side walls collapse of the groove (51) is arranged Have semi circular surface (52), the semi circular surface (52) and the bottom surface of the groove (51) and the bottom surface of the locating slot (5) are tangent.

4. a kind of anti-bias stator punching according to claim 1, it is characterized in that: the cramp slot (4) and the half slot (41) junction rounding off；The outer wall of the lug boss (42) is concordant with the inner wall of the half slot (41) and the two is round It slips over and crosses.

5. a kind of anti-bias stator punching according to claim 1, it is characterized in that: the periphery of the punching ontology (1) is arranged Have arc groove (6), the arc groove (6) is between the cramp slot (4) and the locating slot (5).

6. a kind of anti-bias stator punching according to claim 5, it is characterized in that: being provided on the punching ontology (1) more A heat release hole (8), several heat release holes (8) and the locating slot (5), the cramp slot (4) and the arc groove (6) are spaced Setting.

7. a kind of anti-bias stator punching according to claim 1, it is characterized in that: forming caulking groove between the teeth portion (2) (7), the caulking groove (7) and the teeth portion (2) correspond.

8. a kind of anti-bias stator punching according to claim 7, it is characterized in that: the caulking groove (7) include arcwall face (71), Successively it is relatively arranged on the tapered edge (72), bevel edge (73) and straight flange (74) of the arcwall face (71) two sides, the tapered edge (72) it is arranged in obtuse angle with the bevel edge (73).

9. a kind of anti-bias stator punching according to claim 8, it is characterized in that: the caulking groove (7) is located at the tapered edge (72) side wall at is provided with multiple raised lines (75), the junction of the inner wall of the outer wall and caulking groove (7) of the raised line (75) Rounding off.