CN219760763U - Sealing structure of plastic package stator - Google Patents

Abstract

The utility model discloses a sealing structure of a plastic package stator, which relates to the technical field of motors and has the technical scheme that: including the plastic envelope body, be provided with stator winding in the plastic envelope body, be provided with bearing room one and bearing room two on the plastic envelope body, set up the through-hole that is used for supplying the pivot to pass on the plastic envelope body, be connected with the sealing member on the plastic envelope body, the sealing member is used for sealing bearing room one's opening, this plastic envelope stator's seal structure prevents that water or dust from getting into from bearing room one's opening through sealing bearing room one's opening, prevents that water or dust from causing the harm to the motor, influences motor's life.

Description

Sealing structure of plastic package stator

Technical Field

The utility model relates to the technical field of motors, in particular to a sealing structure of a plastic package stator.

Background

The plastic package motor adopts a unique plastic package technology to integrally package the motor stator winding and the like, and a steel or aluminum shell of the motor with a traditional structure is omitted, so that the working noise of the motor is reduced, the safety insulation performance is improved, and the plastic package motor is suitable for home appliances with high requirements on mute environment and safety electric appliance performance, such as an air conditioner, a washing machine and the like.

The Chinese patent with the bulletin number of CN204732978U discloses an outer rotor motor, which comprises a rotating shaft, a plastic package stator and an outer rotor, wherein the outer rotor is sleeved outside the plastic package stator, the plastic package stator comprises a sleeve seat, a stator core, end insulation, a coil winding and a plastic package body, a plurality of support arms extend outwards from the top of the sleeve seat, bolts are arranged on the outer end parts of the support arms, and the plastic package body is wrapped outside the support arms and enables the screw parts of the bolts to be exposed from the top surface of the plastic package body.

The technical scheme has the following defects: the bearing chamber of one end of the outer rotor motor far away from the outer rotor is directly exposed outside, so that water and dust easily enter the motor from the opening to damage the motor and influence the service life of the motor in a complex working environment.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide a sealing structure of a plastic package stator, which has the advantages of water resistance and dust resistance.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a seal structure of plastic envelope stator, includes the plastic envelope body, be provided with stator winding in the plastic envelope body, be provided with bearing room one and bearing room two on the plastic envelope body, set up the through-hole that is used for supplying the pivot to pass on the plastic envelope body, be connected with the sealing member on the plastic envelope body, the sealing member is used for sealing the opening of bearing room one.

Preferably, the first sealing member comprises a sealing plate, and the sealing plate covers the opening of the first bearing chamber.

Preferably, the sealing plate is provided with a plurality of positioning protrusions, the plastic package body is provided with a plurality of positioning grooves, and the positioning protrusions are respectively inserted into the positioning grooves.

Preferably, the plastic package body is provided with a first convex ring, the sealing plate is provided with a groove, and the lower end surface of the first convex ring abuts against the bottom surface of the groove.

Preferably, the sealing plate is provided with a second convex ring, and the second convex ring is matched with the sealing plate to form the groove.

Preferably, the outer side wall of the first convex ring abuts against the inner side wall of the second convex ring, and the end face of the second convex ring abuts against the end face of the plastic package body.

Preferably, the bottom of the groove is provided with a first cambered surface, the convex ring is provided with a second cambered surface, and the first cambered surface is attached to the second cambered surface.

Preferably, the plastic package body is provided with a plurality of raised strips, and the raised strips are uniformly distributed along the circumferential direction.

Preferably, the plastic package body is provided with a plurality of mounting feet, and the mounting feet are provided with mounting holes.

Preferably, a supporting block is arranged on the end face of the plastic package body.

In summary, compared with the prior art, the utility model has the following beneficial effects:

1. the sealing plate cover is arranged on the opening of the first bearing chamber, so that the opening of the first bearing chamber is sealed, water or dust is prevented from entering from the opening of the first bearing chamber, the damage of the water or the dust to the motor is prevented, and the service life of the motor is prevented from being influenced;

2. through set up a plurality of location arch on the closing plate, offer a plurality of constant head tank on the plastic envelope body, peg graft a plurality of location arch respectively in a plurality of constant head tank to this relative fixation who realizes closing plate and plastic envelope body guarantees that the closing plate can stabilize the lid and establish on the opening of bearing room one and seal it.

Drawings

FIG. 1 is a cross-sectional view of an embodiment;

FIG. 2 is a schematic view of a seal plate according to an embodiment;

fig. 3 is a schematic structural view of an embodiment.

Reference numerals: 1. a plastic package body; 2. a stator winding; 3. a first bearing chamber; 4. a bearing chamber II; 5. a through hole; 6. a seal; 61. a sealing plate; 7. positioning the bulge; 8. a positioning groove; 9. a convex ring I; 10. a groove; 11. a convex ring II; 12. a cambered surface I; 13. a cambered surface II; 14. a convex strip; 15. a mounting foot; 16. a mounting hole; 17. and a supporting block.

Detailed Description

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The present utility model will be described in further detail with reference to the accompanying drawings.

The sealing structure of the plastic-sealed stator as shown in fig. 1 to 3 comprises a plastic-sealed body 1, wherein a stator winding 2 is arranged in the plastic-sealed body 1.

Be provided with bearing room one 3 and bearing room two 4 on the plastic envelope body 1, specifically, bearing room one 3 and bearing room two 4 are located the both ends of plastic envelope body 1 respectively, and bearing room one 3 and bearing room two 4 all are used for installing the bearing, offer the through-hole 5 that is used for supplying the pivot to pass on the plastic envelope body 1, and through-hole 5 is offered along the central axis of plastic envelope body 1, and bearing room one 3 and bearing room two 4 all are linked together with through-hole 5, and bearing room one 3 and bearing room two 4 all set up with through-hole 5 is coaxial.

The plastic package body 1 is connected with a sealing element 6, the sealing element 6 is used for sealing the opening of the bearing chamber one 3, preferably, the sealing element 6 comprises a sealing plate 61, and the sealing plate 61 covers the opening of the bearing chamber one 3, so that the opening of the bearing chamber one 3 is sealed, and as other schemes, the sealing element 6 can also adopt a housing, and the housing directly covers the opening of the bearing chamber one 3.

Be provided with a plurality of location arch 7 on the closing plate 61, preferably, a plurality of location arch 7 evenly distributed along circumference, a plurality of constant head tank 8 has been seted up on the plastic envelope body 1 to a plurality of location arch 7 and closing plate 61 integrated into one piece, preferably, a plurality of constant head tank 8 evenly distributed along circumference, and a plurality of location arch 7 and a plurality of constant head tank 8 one-to-one, a plurality of location arch 7 peg graft respectively in a plurality of constant head tank 8, so that guarantee the relative stability of closing plate 61 and plastic envelope body 1, make closing plate 61 can be covered all the time and locate the opening of bearing room one 3 and seal it, as other schemes, closing plate 61 and plastic envelope body 1 also accessible screw connection.

The plastic package body 1 is provided with the first convex ring 9, preferably, the plastic package body 1 and the first convex ring 9 are integrally formed, the sealing plate 61 is provided with the groove 10, specifically, the sealing plate 61 is provided with the second convex ring 11, preferably, the sealing plate 61 and the second convex ring 11 are integrally formed, the second convex ring 11 and the sealing plate 61 are matched to form the groove 10, and as other schemes, the groove 10 can be directly formed on the sealing plate 61.

The lower end face of the first convex ring 9 abuts against the bottom face of the groove 10, the outer side wall of the first convex ring 9 abuts against the inner side wall of the second convex ring 11, and the end face of the second convex ring 11 abuts against the end face of the plastic package body 1, so that the sealing plate 61 is guaranteed to be stably covered on the opening of the first bearing chamber 3, the tightness between the plastic package body 1 and the sealing plate 61 is improved, the sealing plate 61 is guaranteed to effectively seal the opening of the first bearing chamber 3, water or dust is prevented from entering the opening of the first bearing chamber 3, and the waterproof and dustproof effects are achieved.

The bottom of recess 10 is provided with cambered surface one 12, is provided with cambered surface two 13 on the bulge loop one 9, and cambered surface one 12 and cambered surface two 13 looks adaptations, and cambered surface one 12 is laminated with cambered surface two 13 mutually, through cambered surface one with cambered surface two-phase laminating to this improves sealed effect, prevents water or dust entering.

Be provided with a plurality of sand grip 14 on the plastic envelope body 1, and a plurality of sand grip 14 along circumference evenly distributed, through set up a plurality of sand grip 14 along circumference evenly distributed on the plastic envelope body 1 to this blocks outside impurity, guarantees motor steady operation.

Be provided with a plurality of installation foot 15 on the plastic envelope body 1, a plurality of installation foot 15 and plastic envelope body 1 integrated into one piece, mounting hole 16 has all been seted up to a plurality of installation foot 15, and it is to be noted that, installer's accessible passes mounting hole 16 with fastener such as screw, realizes accomplishing the connection of installation foot 15 and mounting plane promptly, easy operation, simple to operate.

The end face of the plastic package body 1 is provided with supporting blocks 17, and it is to be noted that the number of the supporting blocks 17 is two and is respectively located at two ends of the plastic package body 1, and the supporting blocks 17 are used for supporting the plastic package body 1 to avoid the direct contact between the plastic package body 1 and the installation plane.

The foregoing is merely exemplary embodiments of the present utility model and is not intended to limit the scope of the utility model, which is defined by the appended claims.

Claims (10)

1. The utility model provides a seal structure of plastic envelope stator, includes plastic envelope body (1), its characterized in that: stator winding (2) are arranged in the plastic package body (1), a first bearing chamber (3) and a second bearing chamber (4) are arranged on the plastic package body (1), a through hole (5) for a rotating shaft to pass through is formed in the plastic package body (1), a sealing piece (6) is connected to the plastic package body (1), and the sealing piece (6) is used for sealing an opening of the first bearing chamber (3).

2. The sealing structure of a plastic package stator according to claim 1, wherein: the first sealing element (6) comprises a sealing plate (61), and the sealing plate (61) covers the opening of the first bearing chamber (3).

3. The sealing structure of a plastic package stator according to claim 2, wherein: the plastic package is characterized in that a plurality of positioning protrusions (7) are arranged on the sealing plate (61), a plurality of positioning grooves (8) are formed in the plastic package body (1), and the positioning protrusions (7) are respectively inserted into the positioning grooves (8).

4. The sealing structure of a plastic package stator according to claim 2, wherein: the plastic package body (1) is provided with a first convex ring (9), the sealing plate (61) is provided with a groove (10), and the lower end surface of the first convex ring (9) is propped against the bottom surface of the groove (10).

5. The sealing structure of a plastic package stator according to claim 4, wherein: the sealing plate (61) is provided with a second convex ring (11), and the second convex ring (11) is matched with the sealing plate (61) to form the groove (10).

6. The sealing structure of a plastic package stator according to claim 5, wherein: the outer side wall of the first convex ring (9) is propped against the inner side wall of the second convex ring (11), and the end face of the second convex ring (11) is propped against the end face of the plastic package body (1).

7. The sealing structure of a plastic package stator according to claim 4, wherein: the bottom of recess (10) is provided with cambered surface one (12), be provided with cambered surface two (13) on bulge loop one (9), cambered surface one (12) with cambered surface two (13) laminating mutually.

8. The sealing structure of a plastic package stator according to claim 1, wherein: the plastic package body (1) is provided with a plurality of raised strips (14), and the raised strips (14) are uniformly distributed along the circumferential direction.

9. The sealing structure of a plastic package stator according to claim 1, wherein: the plastic package body (1) is provided with a plurality of mounting feet (15), and the mounting feet (15) are provided with mounting holes (16).

10. The sealing structure of a plastic package stator according to claim 1, wherein: the end face of the plastic package body (1) is provided with a supporting block (17).