A plastic sealed motor

Abstract

A plastic-encapsulated motor includes a magnetic rotor, a rotating shaft, a circular iron core, a plastic-encapsulated shell, a power socket, a bearing, a front cover and a rear cover. The plastic-encapsulated shell includes a front cover cavity, a rotor cavity, a rear cover cavity and a fixing seat. The front cover is pre-buried in the front cover cavity. The plastic-encapsulated shell wraps the outer circumferential surface and both ends of the circular iron core. The diameter of the rotor hole of the circular iron core is the same as the diameter of the rotor cavity. The rotor hole is located in the middle of the rotor cavity. Bearings are respectively arranged in the front cover and the rear cover. The rotating shaft is fixed to the inner ring of the bearing and extends out from the rotating shaft hole of the front cover. The rear cover is fixed to the rear cover cavity. The plastic-encapsulated shell is provided with a fixing seat and is integrally formed with the plastic-encapsulated shell. The overall strength can effectively prevent vibration. The front cover is pre-buried in the front cover cavity, which simplifies the assembly process steps and improves work efficiency.

Description

Technical Field

[0001] The utility model relates to a motor, in particular to a plastic-sealed motor. Background Art

[0002] The current existing technology, Chinese patent 201310492295.4, a plastic-encapsulated motor, includes a rotating shaft, a rotor assembly, a plastic-encapsulated stator and an end cover, the rotor assembly is mounted on the rotating shaft, the plastic-encapsulated stator is nested and installed outside the rotor assembly, the end cover is installed at the end of the plastic-encapsulated stator, and the rotating shaft is supported on the bearing of the end cover, wherein the plastic-encapsulated stator includes a stator core, an end insulation, a coil winding and a plastic-encapsulated shell, the end insulation is installed at the end of the stator core, the coil winding is wound and installed on the end insulation, a number of mounting seats extend from the top surface of the end insulation, mounting screws are arranged on the mounting seats, and the plastic-encapsulated shell is wrapped around the stator core, the end insulation and the coil winding, and the tail of the mounting screw extends out of the plastic-encapsulated shell. The problem is that the end cover needs to be fixed separately; and the screws are also pre-embedded. Utility Model Content

[0003] The utility model aims to provide a plastic-sealed motor, which has the characteristics that a front end cover is pre-buried in the plastic-sealed shell and is arranged alone on a fixing seat.

[0004] The utility model is implemented as follows: a plastic-encapsulated motor, which is special in that it includes a magnetic rotor, a rotating shaft, a circular iron core, a plastic-encapsulated shell, a power socket, a bearing, a front cover and a rear cover.

[0005] The plastic package shell includes a body and a front cover cavity, a rotor cavity, a rear cover cavity and a fixing seat arranged on the body.

[0006] The front end cover is embedded in the front end cover cavity, and the plastic shell wraps the outer circumferential surface and both ends of the annular iron core. The diameter of the rotor hole of the annular iron core is the same as the diameter of the rotor cavity, and the rotor hole is located in the middle of the rotor cavity. Bearings are respectively provided in the front end cover and the rear end cover, and the rotating shaft is fixed to the inner ring of the bearing and extends out from the rotating shaft hole of the front end cover; the rear end cover is fixed to the rear end cover cavity.

[0007] The plastic-sealed motor is special in that the opening end of the front end cover is provided with a front annular seat plate and a front flange, and the outer side of the front annular seat plate and the front flange are pre-buried in the body.

[0008] The plastic-sealed motor is special in that the outer side and the front flange of the front annular seat plate are provided with through holes or grooves.

[0009] The special feature of the plastic-encapsulated motor is that the power socket is pre-buried in the plastic-encapsulated shell.

[0010] The special feature of the plastic-encapsulated motor is that the fixing seat is arranged at the front part of the outer peripheral surface of the plastic-encapsulated shell, and the fixing seat comprises a radial seat plate and a fixing column seat with screw holes or light holes.

[0011] The special feature of the plastic-sealed motor is that the fixing column seat is arranged on the front end surface of the radial seat plate, the rear end surface is provided with a clearance groove, and the screw hole or the light hole is connected with the clearance groove.

[0012] The utility model discloses a plastic-sealed motor. A fixing seat is arranged on the plastic-sealed shell and is integrally formed with the plastic-sealed shell. The whole is strong and vibration can be effectively prevented. The front end cover is pre-buried in the front end cover cavity, which simplifies the assembly process steps and improves the work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a cross-sectional view of the utility model.

[0014] Figure 2 It is one of the three-dimensional diagrams of the present utility model.

[0015] Figure 3 It is the second stereogram of the utility model.

[0016] Figure 4 It is one of the three-dimensional exploded views of the utility model.

[0017] Figure 5 This is the second three-dimensional exploded view of the present utility model. DETAILED DESCRIPTION

[0018] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] like Figure 1 As shown, a plastic-encapsulated motor includes a magnetic rotor 1, a rotating shaft 2, a circular iron core 3, a plastic-encapsulated shell 4, a power socket 5, a bearing 6, a front cover 7 and a rear cover 8.

[0021] The plastic package shell 4 includes a front cover cavity 41, a rotor cavity 42, a rear cover cavity 43 and a fixing seat 44, and the fixing seats 44 are evenly distributed around the plastic package shell 4;

[0022] The front end cover 7 is embedded in the front end cover shell 41, and the plastic shell 4 wraps the outer circumferential surface and the two axial ends of the annular iron core 3. The diameter of the rotor hole of the annular iron core 3 is the same as the diameter of the rotor cavity 42, and the rotor hole is located in the middle of the rotor cavity 42, that is, the middle of the rotor cavity along the axial length direction; bearings 6 are respectively provided in the front end cover 7 and the rear end cover 8, and the rotating shaft 2 is fixed to the inner ring of the bearing 6 and extends out from the rotating shaft hole of the front end cover 7; the rear end cover 8 is fixed to the rear end cover cavity 43.

[0023] As a further improvement of the present invention: the opening end of the front end cover 7 is provided with a front annular seat plate 71 and a front flange 72, and the front flange 72 is perpendicular to the front annular seat plate 71; the outer side of the front annular seat plate 71 and the front flange 72 are pre-buried in the plastic shell 4 at the front end cover cavity 41.

[0024] As a further improvement of the present invention: the outer side of the front annular seat plate 71 and the front flange 72 are provided with through holes or grooves.

[0025] As an improvement of the present utility model: the power socket 5 is pre-buried in the plastic package shell 4.

[0026] The fixing seat 44 includes a radial seat plate 441 and a fixing column seat 442 with screw holes.

[0027] The fixing seat 44 is arranged at the front part of the outer peripheral surface of the plastic package shell 4, and the fixing seat 44 includes a radial seat plate 441 and a fixing column seat 442 with screw holes or light holes;

[0028] As a further improvement: the fixed column seat 442 is arranged on the front end surface of the radial seat plate, and a clearance groove 443 is arranged on the rear end surface, and the screw hole or the light hole is connected to the clearance groove 443.

[0029] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A plastic-encapsulated motor, characterized in that: It includes a magnetic rotor, a rotating shaft, a circular iron core, a plastic shell, a power socket, a bearing, a front cover and a rear cover. The plastic shell includes a front cover cavity, a rotor cavity, a rear cover cavity and a fixing seat. The front end cover is embedded in the front end cover cavity, and the plastic shell wraps the outer circumferential surface and both ends of the annular iron core. The diameter of the rotor hole of the annular iron core is the same as the diameter of the rotor cavity, and the rotor hole is located in the middle of the rotor cavity. Bearings are respectively provided in the front end cover and the rear end cover, and the rotating shaft is fixed to the inner ring of the bearing and extends out from the rotating shaft hole of the front end cover; the rear end cover is fixed to the rear end cover cavity.

2. The plastic-encapsulated motor according to claim 1, characterized in that: The opening end of the front end cover is provided with a front annular seat plate and a front flange, and the outer side of the front annular seat plate and the front flange are pre-buried in the plastic package shell at the front end cover cavity.

3. The plastic-encapsulated motor according to claim 2, characterized in that: Through holes or grooves are arranged on the outer side and the front flange of the front annular seat plate.

4. The plastic-encapsulated motor according to claim 1, characterized in that: The power socket is pre-buried in the plastic shell.

5. A plastic-encapsulated motor according to claim 1, 2, 3 or 4, characterized in that: The fixing seat is arranged at the front part of the outer circumferential surface of the plastic package shell, and the fixing seat comprises a radial seat plate and a fixing column seat with screw holes or light holes.

6. The plastic-encapsulated motor according to claim 5, characterized in that: The fixed column seat is arranged on the front end surface of the radial seat plate, and a clearance groove is arranged on the rear end surface, and the screw hole or the light hole is communicated with the clearance groove.

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