CN222089356U - Stator core's fixed knot constructs - Google Patents

Abstract

The utility model relates to the technical field of motor components, in particular to a fixing structure of a stator core, which comprises a core unit, wherein one side of the core unit is fixedly connected with a coil inserting block, two threaded holes are formed in the surface of the core unit, bolts A are connected to the inner walls of the two threaded holes in a threaded manner, a fixing ring is sleeved on the surface of each bolt A in a sliding manner, a fixing groove is formed in one side of the core unit, and a fixing strip is fixedly connected to the other side of the core unit.

Description

Stator core's fixed knot constructs

Technical Field

The utility model relates to the technical field of motor assemblies, in particular to a fixing structure of a stator core.

Background

The conventional stator punching sheets are mostly processed by adopting integral punching blanking, and the material utilization rate is low, so that most motor factories want to try to adopt the stator punching sheets with split structures. In order to reduce the production cost of the motor and improve the utilization rate of materials, a split type stator core structure is one of the feasible measures, but the split type stator core is complex in fastening assembly, so that the split type stator core is difficult to install and assemble in use, and therefore, the utility model provides a stator core fixing structure.

Disclosure of utility model

The utility model aims to solve the defect that the split iron core is difficult to install and assemble in the use process because the split iron core is complex in fastening and assembling in the prior art, and provides a stator iron core fixing structure.

In order to achieve the above purpose, the stator core fixing structure comprises a core unit, wherein one side of the core unit is fixedly connected with a coil inserting block, two threaded holes are formed in the surface of the core unit, bolts A are connected to the inner walls of the two threaded holes in a threaded mode, fixing rings are sleeved on the surfaces of the bolts A in a sliding mode, fixing grooves are formed in one side of the core unit, and fixing strips are fixedly connected to the other side of the core unit.

Preferably, the number of the iron core units is plural, and the section of the iron core unit is arc-shaped.

Preferably, the size of the fixing groove is matched with the size of the fixing strip.

Preferably, the section of the coil inserting block is in a T shape.

Preferably, a plurality of heat dissipation grooves are formed in the outer side wall of the iron core unit, and the heat dissipation grooves are symmetrically arranged.

Preferably, the upper surface of iron core unit has seted up the spacing groove, and the upper end of spacing groove is provided with the stopper of looks adaptation, and this stopper is fixed with the lower surface of solid fixed ring and is connected.

Preferably, a plurality of ring sleeve grooves are formed in the outer surfaces of the iron core units, two fixing half rings are sleeved on the inner walls of the ring sleeve grooves in a sliding mode, fixing lugs are fixedly connected to two ends of each fixing half ring, bolts B are connected between two adjacent fixing lugs in a sliding mode, and nuts are connected to the tail ends of the bolts B in a threaded mode.

In summary, the application has the following beneficial technical effects:

According to the utility model, the fixing strips are inserted into the fixing grooves to limit and connect the iron core units, then the two fixing half rings are sleeved in the ring sleeve grooves, the fixing lugs at the two ends of the fixing half rings are limited and fixed through the bolts B and the nuts, so that the fastening effect on the iron core units is achieved, the fixing rings are placed on the upper surfaces of the iron core units, the fixing rings are limited through the limiting blocks and the limiting grooves to prevent deflection, and then the bolts A are inserted into the thread grooves through the surfaces of the fixing rings, so that the iron core units and the fixing rings are fixedly mounted through the bolts A.

Drawings

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

fig. 2 is a first perspective exploded view of a stator core fixing structure of the present utility model;

Fig. 3 is a first perspective exploded view of a stator core fixing structure of the present utility model;

fig. 4 is a schematic structural view of the core unit of the present utility model.

The illustration is that 1, an iron core unit, 2, a coil inserting block, 3, a fixing groove, 4, a fixing strip, 5, a loop sleeve groove, 6, a heat dissipation groove, 7, a threaded hole, 8, a limit groove, 9, a fixing loop, 10, a bolt A, 11, a limit block, 12, a fixing half ring, 13, a fixing lug, 14, a bolt B, 15 and a nut.

Detailed Description

Referring to fig. 1-4, the utility model provides a technical scheme that the stator core fixing structure comprises a core unit 1, wherein one side of the core unit 1 is fixedly connected with a coil inserting block 2, two threaded holes 7 are formed in the surface of the core unit 1, bolts A10 are connected to the inner walls of the two threaded holes 7 in a threaded manner, fixing rings 9 are sleeved on the surfaces of the bolts A10 in a sliding manner, a fixing groove 3 is formed in one side of the core unit 11, fixing strips 4 are fixedly connected to the other side of the core unit 1, the number of the core units is multiple, the sections of the core unit 1 are arc-shaped, when the plurality of core units 1 are required to be fixed, the plurality of core units 1 are in limit connection by inserting the fixing strips 4 into the fixing groove 3, then the fixing rings 9 are placed on the upper surfaces of the plurality of groups of core units 1, and a plurality of bolts A10 penetrate through the surfaces of the fixing rings 9 to be inserted into the threaded grooves, so that the core units 1 and the fixing rings 9 achieve the effect of fixing installation through the bolts A10, the size of the fixing grooves 3 is matched with the size of the fixing strips 4, and the coil inserting block 2 is convenient to coil inserting block T-shaped copper wire winding section 2.

Referring to fig. 1 and 3, in this embodiment, a plurality of heat dissipation grooves 6 are formed in the outer side wall of the iron core unit 1, the plurality of heat dissipation grooves 6 are symmetrically arranged, the heat dissipation area of the iron core unit 1 can be increased by arranging the plurality of heat dissipation grooves 6, the heat dissipation effect is enhanced, and therefore the service life of the device is prolonged, a limit groove 8 is formed in the upper surface of the iron core unit 1, an adaptive limit block 11 is arranged at the upper end of the limit groove 8, the limit block 11 is fixedly connected with the lower surface of the fixed ring 9, and the fixed ring 9 placed on the upper surface of the iron core unit 1 can be limited by arranging the limit block 11, so that a subsequent worker can fixedly install the fixed ring 9 and the iron core unit 1 through bolts a 10.

Referring to fig. 3 and fig. 4, specifically, a plurality of ring sleeve grooves 5 are formed on the outer surfaces of the iron core units 1, two fixing half rings 12 are slidably sleeved on the inner walls of the ring sleeve grooves 5, two fixing lugs 13 are fixedly connected to two ends of each fixing half ring 12, a bolt B14 is slidably connected between two adjacent fixing lugs 13, nuts 15 are screwed at the tail ends of the bolts B14, the two fixing half rings 12 are sleeved in the ring sleeve grooves 5, and the fixing lugs 13 at two ends of the fixing half rings 12 are limited and fixed through the bolts B14 and the nuts 15, so that the fastening effect on the iron core units 1 is achieved.

The fixed iron core unit 1 is fixed through inserting fixed strip 4 in fixed slot 3, carries out spacing connection to a plurality of iron core units 1, then establishes two retainer semi-rings 12 cover in ring sleeve groove 5, carries out spacing fixation to the fixed ear 13 at retainer semi-rings 12 both ends through bolt B14 and nut 15 to reach the fastening effect to a plurality of iron core units 1, place solid fixed ring 9 at the upper surface of multiunit iron core unit 1, spacing fixed ring 9 through stopper 11 and spacing groove 8, prevent to take place the skew, then pass the surface of solid fixed ring 9 with a plurality of bolts A10 and insert into the screw thread groove, thereby make iron core unit 1 and solid fixed ring 9 reach fixed mounting's effect through bolt A10.

In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

Claims (7)

1. A stator core fixing structure, comprising a core unit (1), characterized in that: a wire inserting block (2) is fixedly connected to one side of the core unit (1), and two threaded holes (7) are provided on the surface of the core unit (1), the inner walls of the two threaded holes (7) are both threadedly connected with bolts A (10), and a fixing ring (9) is slidably sleeved on the surface of the bolt A (10), a fixing groove (3) is provided on one side of the core unit (1), and a fixing bar (4) is fixedly connected to the other side of the core unit (1). 2. A stator core fixing structure according to claim 1, characterized in that: there are multiple core units, and the cross-section of the core unit (1) is arc-shaped. 3. A stator core fixing structure according to claim 1, characterized in that the size of the fixing groove (3) is matched with the size of the fixing bar (4). 4. A stator core fixing structure according to claim 1, characterized in that the cross section of the wire insert block (2) is T-shaped. 5. A stator core fixing structure according to claim 1, characterized in that: the outer side wall of the core unit (1) is provided with a plurality of heat dissipation grooves (6), and the plurality of heat dissipation grooves (6) are symmetrically arranged. 6. A stator core fixing structure according to claim 1, characterized in that: a limit groove (8) is provided on the upper surface of the core unit (1), and a matching limit block (11) is provided at the upper end of the limit groove (8), and the limit block (11) is fixedly connected to the lower surface of the fixing ring (9). 7. A stator core fixing structure according to claim 1, characterized in that: the outer surfaces of the plurality of core units (1) are provided with annular grooves (5), and the inner walls of the plurality of annular grooves (5) are slidably sleeved with two fixing half rings (12), both ends of the two fixing half rings (12) are fixedly connected with fixing ears (13), and a bolt B (14) is slidably connected between two adjacent fixing ears (13), and the end of the bolt B (14) is threadedly connected with a nut (15).