Motor stator with novel stator slot profile

Abstract

The utility model discloses a motor stator with a novel stator groove type, comprising a stator core and a spacing ring, the spacing ring is arranged at the inner side of the stator core, the inner side of the stator core is equidistantly provided with a plurality of stator grooves in a surrounding manner, the front side and the rear side of the stator core are symmetrically provided with grooves, and the spacing ring is arranged at the inner side of the stator core. A locking insertion rod for fixing the limiting ring is slidably connected into the groove, a connecting insertion groove is formed in the position, corresponding to the position between every two adjacent stator grooves, of the inner side of the stator iron core, and a connecting insertion plate matched with the connecting insertion groove is fixedly connected to the outer side of the limiting ring. The motor stator with the novel stator slot type is reasonable in structural design and convenient to use, and after the stator winding is wound, packaging of all stator slots can be realized by adopting a single installation mode, so that the installation efficiency of the motor stator is greatly improved, meanwhile, the stability of a packaging structure can be ensured, slippage and movement are not easy to generate, and the service life of the motor stator is prolonged. And the service life of the motor stator is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor accessories technical field, concretely is a kind of motor stator with novel stator slot type. BACKGROUND

[0002] It is searched in patent literature CN201822063122.1 that "a kind of motor stator with novel stator slot type" is disclosed, the slot area at the slot opening of the stator slot of motor stator in prior art cannot be fully utilized, the stator slot fullness is reduced, and the performance of motor is difficult to improve, in addition, the problem that slot wedge is not fixed firmly is solved.The motor stator of the utility model includes stator core, stator slot, winding, auxiliary slot, slot wedge, is equipped with several stator slots in the circumferential direction of stator core, winding is placed in the stator slot of stator core, is set up with a pair of auxiliary slots on the stator core on both sides of stator slot slot opening, slot wedge is placed in a pair of auxiliary slots transversely and stator slot is packaged.The auxiliary slot designed in the utility model can effectively prevent slot wedge from moving left and right in stator slot, effectively guarantee the packaging of stator winding;And the area at slot opening is fully utilized, so that the effective slot area is increased, more enameled wire can be lowered, the stator slot fullness is improved, and the overall performance of motor can be effectively improved.

[0003] The patent is provided with several stator slots, and is packaged with slot wedge at the slot opening of each stator slot, and the stator winding is limited by using this way, there is the problem of low installation efficiency, each slot wedge needs to be fixed one by one during assembly, and the stability of fixation cannot be guaranteed, therefore we propose a kind of motor stator with novel stator slot type to solve the problems proposed in the above background technology. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of motor stator with novel stator slot type to solve the problems proposed in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of motor stator with novel stator slot type, including stator core and limit ring, the limit ring is arranged at the inboard of stator core, the inboard of stator core is equidistantly surrounded and is equipped with several stator slots, recess is symmetrically set up in the front and back of stator core, locking plug rod for fixing limit ring is slidably connected in recess.

[0006] Further, the position between corresponding adjacent two stator slots of the inboard of stator core is equipped with connecting slot, the outboard of limit ring is fixedly connected with the connecting plugboard that is compatible with connecting slot.

[0007] Further, the connecting slot is specifically a T-shaped slot, which is integrally formed between the connecting plug-in board and the limiting ring, has a large area, can improve the stability of installation between the connecting plug-in board and the connecting slot, and adopts interference fit between the two, which can further ensure the strength of fixation, so that the limiting ring is not easy to fall off.

[0008] Further, the side surface of the inner wall of the groove is fixedly connected with a circular plate through a tension spring, one end of the locking plug-in rod is fixedly connected with the circular plate, the circular plate is driven by the tension spring to translate inward, so that the locking plug-in rod is tightly inserted into the connecting plug-in board outside the limiting ring, and the installation strength of the limiting ring is further improved.

[0009] Further, the side, away from the limiting ring, of the circular plate is rotationally connected with a hanging ring, and a hanging rod is fixedly connected to the inner wall of the groove, before the limiting ring is installed, the hanging ring can be rotated and hung on the hanging rod, so that the tension spring cannot drive the circular plate and the locking plug-in rod to move inward and extend into the inner side of the stator core, thereby affecting the installation and fixation of the limiting ring.

[0010] Further, locking holes matched with the locking rods are formed in two connecting plug-in boards of one set of opposite directions.

[0011] Compared with the prior art, the motor stator of the utility model has the following beneficial effects:

[0012] The utility model discloses a plurality of stator slots are used to install the stator winding, and after finishing, the limiting ring is installed to realize the packaging of the stator slot, when installing, the connecting plug-in board outside the limiting ring is inserted into the connecting slot, and the two connecting plug-in boards with locking holes are opposite to one side of the groove, after finishing, the hanging ring is rotated to be separated from the hanging rod, the tension spring drives the circular plate and the locking plug-in rod to move inward, the locking plug-in rod is inserted into the locking hole, and the transverse plug-in fixation of the connecting plug-in board and the limiting ring can be realized, the motor stator with the novel stator slot type has reasonable structure design and is convenient to use, after winding the stator winding, the packaging of all stator slots can be realized by using single-time installation, so that the installation efficiency of the motor stator is greatly improved, meanwhile, the stability of the packaging structure can be ensured, and the motor stator is not easy to slide and move, so that the service life of the motor stator is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a structure sectional view of the utility model;

[0014] Fig. 2 It is a local structure sectional view of the stator core of the utility model;

[0015] Fig. 3 It is a structure sectional view of the limiting ring of the utility model.

[0016] In the figure: 1 stator core, 2 limit ring, 3 stator slot, 4 recess, 5 locking plug rod, 6 connecting slot, 7 connecting plug plate, 8 tension spring, 9 round plate, 10 hanging ring, 11 hanging rod, 12 locking hole. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0018] Please refer to Figs. 1-3 A motor stator with a novel stator slot type comprises a stator core 1 and a limit ring 2, the limit ring 2 is arranged on the inner side of the stator core 1, a plurality of stator slots 3 are equidistantly arranged on the inner side of the stator core 1, recesses 4 are symmetrically arranged on the front and back sides of the stator core 1, and locking plug rods 5 for fixing the limit ring 2 are slidably connected in the recesses 4.

[0019] Specifically, connecting slots 6 are arranged on the inner side of the stator core 1 corresponding to the positions between adjacent two stator slots 3, and connecting plug plates 7 matched with the connecting slots 6 are fixedly connected to the outer side of the limit ring 2.

[0020] Specifically, the connecting slots 6 are T-shaped slots, and the connecting plug plates 7 are integrally formed with the limit ring 2, the T-shaped slots have a large area, the stability of the installation between the connecting plug plates 7 and the connecting slots 6 can be improved, and the interference fit between the two can further ensure the fixing strength, so that the limit ring 2 is not easy to fall off.

[0021] Specifically, the side surface of the inner wall of the recess 4 is fixedly connected with a round plate 9 through a tension spring 8, one end of the locking plug rod 5 is fixedly connected with the round plate 9, the locking plug rod 5 can be tightly inserted into the connecting plug plate 7 on the outer side of the limit ring 2 by driving the round plate 9 to translate inwardly by the tension spring 8, and the installation strength of the limit ring 2 is further improved.

[0022] Specifically, the side, away from the limit ring 2, of the round plate 9 is rotatably connected with a hanging ring 10, and a hanging rod 11 is fixedly connected to the inner wall of the recess 4, before the limit ring 2 is installed, the hanging ring 10 can be rotated and hung on the hanging rod 11, so that the round plate 9 and the locking plug rod 5 driven by the tension spring 8 are prevented from moving inwardly and extending into the inner side of the stator core 1, thereby affecting the installation and fixation of the limit ring 2.

[0023] Specifically, locking holes 12 matched with the locking plug rods 5 are arranged on the two connecting plug plates 7 in one set of opposite directions.

[0024] The motor stator with the novel stator slot type is reasonable in structure design, convenient to use, after winding of the stator winding is completed, the packaging of all the stator slot openings can be realized by single installation, so that the installation efficiency of the motor stator is greatly improved, meanwhile, the stability of the packaging structure can be ensured, the slippage is not prone to occur, and the service life of the motor stator is improved.

[0025] In use, the installation of the stator winding is realized through the stator slots 3, then the limiting ring 2 is installed to realize the packaging of the stator slots 3, when installed, the connecting plug-in plates 7 outside the limiting ring 2 are clamped into the connecting plug-in slots 6, and the two connecting plug-in plates 7 with the locking holes 12 are opposite to one side of the grooves 4, then the hanging ring 10 is rotated to be separated from the hanging rod 11, the tension spring 8 pulls the circular plate 9 and the locking plug-in rod 5 to move inward, so that the locking plug-in rod 5 is inserted into the locking hole 12, and the transverse plug-in fixing of the connecting plug-in plates 7 and the limiting ring 2 is realized.

[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An electric machine stator with a new stator slot type, comprising a stator core (1) and a limit ring (2), characterized in that: The limiting ring (2) is arranged on the inner side of the stator core (1), the inner side of the stator core (1) is equidistantly surrounded by a plurality of stator slots (3), the front and rear sides of the stator core (1) are symmetrically provided with grooves (4), and the grooves (4) are slidably connected with locking inserting rods (5) for fixing the limiting ring (2).

2. A motor stator having a novel stator slot form according to claim 1, characterized in that: The inner side of the stator core (1) is provided with a connecting slot (6) corresponding to the position between the adjacent two stator slots (3), and the outer side of the limiting ring (2) is fixedly connected with a connecting inserting plate (7) matched with the connecting slot (6).

3. A motor stator having a novel stator slot form according to claim 2, characterized in that: The connecting slot (6) is specifically a T-shaped slot, and the connecting inserting plate (7) is integrally formed with the limiting ring (2).

4. A motor stator having a novel stator slot form according to claim 3, characterized in that: The side surface of the inner wall of the groove (4) is fixedly connected with a circular plate (9) through a tension spring (8), and one end of the locking inserting rod (5) is fixedly connected with the circular plate (9).

5. A motor stator having a novel stator slot form according to claim 4, characterized in that: The side, away from the limiting ring (2), of the circular plate (9) is rotatably connected with a hanging ring (10), and the inner wall of the groove (4) is fixedly connected with a hanging rod (11).

6. A motor stator having a novel stator slot form according to claim 5, characterized in that: The two connecting inserting plates (7) in one set of opposite directions are provided with locking holes (12) matched with the locking inserting rod (5).

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