CN214154166U

CN214154166U - Stator module's grafting structure

Info

Publication number: CN214154166U
Application number: CN201922340565.5U
Authority: CN
Inventors: 王旭宁; 王鹏程; 崔卫民
Original assignee: Sharkninja China Technology Co Ltd
Current assignee: Sharkninja China Technology Co Ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2021-09-07
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a stator module's grafting structure, include: the base body is fixed on the framework of the stator assembly, and at least one convex rib is arranged in the base body; the inserting part is provided with at least one groove, the inserting part is inserted into the seat body, the convex rib is matched with the corresponding groove, and the wire body is clamped between the convex rib and the groove. Adopt the utility model discloses a stator module's grafting structure can avoid motor contact failure, guarantees the stability and the reliability of motor work.

Description

Stator module's grafting structure

Technical Field

The utility model relates to a motor field, more specifically says, relates to a stator module's grafting structure.

Background

In the motor industry, the production of stator assemblies consumes a great deal of cost, and paint removal and welding of the outlet part of a stator coil are difficult points of the outlet part of the stator coil. Patent document No. CN205265403U discloses a technical scheme for accommodating a motor wire body and cutting off a paint coat, wherein an insertion structure disposed on a framework 3 of a stator assembly is disclosed, the insertion structure includes a base 4 and an insertion portion 5, wherein a column 41 is disposed in the base 4, the insertion portion 5 is provided with a groove 51, and the column 41 and the groove 51 are mutually matched to clamp the wire body on the stator winding.

However, the technical solution still has the defect to be overcome, specifically, the motor may vibrate in the process of high-speed rotation, and the corresponding vibration easily causes the slippage of the wire body, if the solution in the above patent is adopted, because the wire body is clamped by the support and the abutment of the cylinder, when the slippage accumulates to a certain extent, the wire body may completely separate from the support of the cylinder, thereby completely separating from the limitation of the groove and the cylinder, and leaving the seat body, and further causing the poor contact of the motor, and failing to work normally. In addition, in the above patent, the wire body and the column body are subjected to point contact type stress, and metal fatigue is likely to occur at the stress point position to cause bending and even breaking of the wire body, thereby causing instability of electrical performance of the motor and poor contact.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the technical problem that exists among the above-mentioned prior art, provide a stator module's grafting structure, including pedestal and grafting portion, wherein be provided with a protruding muscle in the pedestal at least, seted up an at least recess in the grafting portion, protruding muscle and recess cooperate, with line body card between protruding muscle and recess. The utility model discloses a stator module's grafting structure, the line body not only can effectively prevent to slide through protruding muscle and recess cooperation chucking, changes point contact formula atress into line contact atress moreover, has avoided the buckling and the fracture of the line body.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a plug-in structure of a stator assembly, comprising: the base body is fixed on the framework of the stator assembly, and at least one convex rib is arranged in the base body; the inserting part is provided with at least one groove and is inserted into the seat body, the convex ribs are matched with the corresponding grooves, and the wire body is clamped between the convex ribs and the grooves; the convex ribs are connected with the inner walls of the two opposite sides of the seat body; the groove and the convex rib are clamped to form clamping marks on the convex rib.

Further, the width of the convex rib is not less than the diameter of the line body, and the width of the groove is not less than the width of the convex rib.

Further, the convex rib is inserted into the corresponding groove, and the convex rib supports the wire body to the deepest part of the groove.

Further, the extending direction of the bead is perpendicular to the width direction thereof.

Further, the part of the wire body in the seat body is parallel to the extending direction of the convex rib.

Further, the groove includes groove units respectively provided on the two opposing faces, and the ribs are inserted into the groove units together.

Furthermore, the two sides of the insertion part are also provided with a convex part which is in interference fit with the inner wall of the base body.

Furthermore, one side of the insertion part is also provided with an extension part.

Furthermore, wire outlet grooves are formed in the two opposite sides of the seat body.

The utility model discloses technical scheme's beneficial effect as follows:

the utility model discloses a stator module's grafting structure when solving depainting and welding difficult point, can also prevent effectively that the line body from sliding and breaking away from the pedestal to can avoid buckling of the line body, promote the stability of motor work greatly, reduce the probability that the motor broke down.

Drawings

FIG. 1 relates to a schematic illustration of the plug-in structure of the patent cited in the background;

fig. 2 is a schematic view of a plug structure of the stator assembly according to an embodiment of the present invention;

fig. 3 is a schematic view of a seat body in the insertion structure of the stator assembly according to an embodiment of the present invention;

fig. 4 is a schematic view of an insertion portion in the insertion structure of the stator assembly according to an embodiment of the present invention;

fig. 5 is a schematic view illustrating the matching of the groove and the rib in the splicing structure of the stator assembly according to an embodiment of the present invention.

Detailed Description

The technical solution provided by the present invention is described in more detail below with reference to the accompanying drawings and specific embodiments:

referring to fig. 2-5, the insertion structure of the stator assembly in one embodiment of the present invention is disclosed. The stator assembly comprises a framework 103, a stator core 101 and a coil 102, wherein the insertion structure of the stator assembly is arranged on the framework 103. As shown in fig. 2 to 5, there is disclosed a plug structure of a stator assembly, including: the base body 104 is fixed on the framework 103, and at least one convex rib 107 is arranged in the base body 104; the insertion part 105 is provided with at least one groove 108, the insertion part 105 is inserted into the base 104, the rib 107 is matched with the corresponding groove 108, and the wire body 112 is clamped between the rib 107 and the groove 108.

In this embodiment, the wire body 112 is clamped and fixed by the mutual fit between the protruding rib 107 formed in the seat body 104 and the groove 108 formed in the inserting portion 105, so that the wire body 112 can be effectively prevented from slipping and falling off along the extending direction of the protruding rib 107 under the influence of the vibration of the motor, and good and stable contact of an electric circuit in the working process of the motor is ensured; meanwhile, the rib structure of the convex rib 107 can support and abut against the wire body 112 in a line contact manner, so that the wire body 112 can be prevented from being bent and broken due to stress and metal fatigue, the stability of corresponding electrical parameters under the working state of the motor is greatly improved, and the probability of failure and failure of the motor is reduced. As shown in fig. 3, the double-headed arrow in fig. 3 indicates the extending direction of the rib 107. In addition, in the embodiment, the structure in the form of the rib 107 is adopted to replace a cylinder, so that the matching tightness of the groove 108 of the insertion part 105 and the rib 107 is greatly improved, and after the groove 108 and the rib 107 are clamped, clamping marks are easily left on the rib 107, so that the groove and the rib are not easy to slide or fall off.

In one embodiment of the plug-in structure of the stator assembly, the width of the rib is not less than the diameter of the wire body, and the width of the groove is not less than the width of the rib. Referring to fig. 5, which is a schematic view of the engagement between the grooves and the ribs in the insertion structure of the stator assembly according to one embodiment of the present invention, the two-way arrows indicate the width directions of the ribs 107 and the grooves 108. In this embodiment, the width of the rib 107 is not less than the diameter of the wire body 112, so that the wire body 112 can be effectively supported, and the wire body 112 is prevented from sliding off from two sides of the rib 107 in the width direction; the width of the groove 108 is not less than the width of the rib 107, so that the wire body 112 and the rib 107 can be accommodated, and the wire body 112 can be tightly fixed on the seat body 104 through the mutual matching of the groove 108 and the rib 107.

In one embodiment of the plug structure of the stator assembly, the rib is inserted into the corresponding groove, and the rib supports the wire body to the deepest part of the groove. With reference to fig. 5, the rib 107 is inserted into the corresponding groove 108, and the rib 107 presses the wire 112 to the deepest part of the groove 108, so that the wire 112 is constrained by the force in the width direction and the depth direction perpendicular to the width direction, thereby ensuring the firm fixation of the wire 112 in the seat 104 and greatly reducing the probability of the wire 112 slipping off.

In one embodiment of the plug structure of the stator assembly, the ribs are connected to the inner walls of the two opposite sides of the base, and the extending direction of the ribs is perpendicular to the width direction of the ribs. Referring to fig. 3 and 5, in the present embodiment, the ribs 107 are connected to the inner walls of the holder body 104 at two opposite sides in the extending direction, and the extending direction is perpendicular to the width direction. In one embodiment of the plug structure of the stator assembly, the line body is located in a portion of the seat body parallel to the extending direction of the convex rib. Because the rib 107 extends to the inner wall of the two opposite sides of the connecting base 104, the portion of the wire body 112 in the base 104 is parallel to the extending direction of the rib 107, so that the wire body 112 can lie on the rib 107 and is supported by the rib 107, thereby effectively avoiding the bending and breaking of the wire body 112.

In one embodiment of the plug-in structure of the stator assembly, the groove includes a groove unit separately disposed on the two opposite surfaces, and the ribs are inserted into the groove unit together. In one embodiment of the insertion structure of the stator assembly of the present invention, an extension portion is further disposed on one side of the insertion portion. Referring to fig. 4, a perspective view of an insertion portion in an insertion structure of a stator assembly according to an embodiment of the present invention is shown. In this embodiment, one side of the insertion part 105 is provided with an extension 110, and the other side forms a drawer-shaped insertion terminal, the insertion terminal is provided with a groove 108, and the groove 108 includes a groove unit 1081 and a groove unit 1082 respectively arranged on two opposite surfaces for the insertion of the rib 107. The edges of the groove 108 are sharp enough to cut the paint skin of the wire body 112 during insertion into the holder body 104.

In one embodiment of the plug structure of the stator assembly, the two sides of the plug portion are further provided with a protrusion portion, and the protrusion portion is in interference fit with the inner wall of the seat body. Referring to fig. 4 and 5, the two sides of the insertion part 105 are further provided with protrusions 109 which are interference-fitted to the inner wall of the housing 104, thereby preventing the insertion part 105 from falling out of the housing 104. Optionally, the protrusion 109 is a triangular protrusion.

In one embodiment of the plug structure of the stator assembly of the present invention, the opposite sides of the seat body are further provided with wire slots. The opposite sides of the base 104 are further provided with wire outlet grooves 106 for the wire body 112 to pass through and lead out the wire head.

The above embodiments are only used for illustrating the design concept of the present invention, and can not be used to limit the protection scope of the present invention. To being in the utility model discloses deformation and conversion under technical scheme's the thought guidance all should fall back to the utility model discloses within the scope of protection.

Claims

1. A plug-in structure of a stator assembly, comprising:

the base body is fixed on the framework of the stator assembly, and at least one convex rib is arranged in the base body;

the inserting part is provided with at least one groove, the inserting part is inserted into the seat body, the convex rib is matched with the corresponding groove, and the wire body is clamped between the convex rib and the groove;

the convex ribs are connected with the inner walls of the two opposite sides of the seat body;

the groove and the convex rib are clamped to form clamping marks on the convex rib.

2. The plug structure of the stator assembly according to claim 1, wherein the width of the rib is not less than the diameter of the wire body, and the width of the groove is not less than the width of the rib.

3. The plug structure of the stator assembly according to claim 1, wherein the ribs are inserted into the corresponding grooves, and the ribs support the wire body to the deepest part of the grooves.

4. The plug structure of a stator assembly according to claim 1, wherein the extending direction of the ribs is perpendicular to the width direction thereof.

5. The plug structure of the stator assembly according to claim 4, wherein the portion of the wire body located in the seat body is parallel to the extending direction of the rib.

6. The plug structure of a stator assembly according to claim 3, wherein the groove includes slot units separately provided on two opposite surfaces, and the ribs are inserted into the slot units together.

7. The stator assembly splicing structure of any one of claims 1 to 6, wherein two sides of the splicing part are also provided with convex parts which are in interference fit with the inner wall of the base body.

8. The plug structure of a stator assembly according to claim 1, wherein one side of the plug part is further provided with an extension part.

9. The stator assembly plug structure according to any one of claims 1 to 6 or 8, wherein the housing body is further provided with outlet slots at opposite sides thereof.