CN208638135U - A kind of motor plastic package casing and the motor using it - Google Patents

Abstract

The utility model discloses a kind of motor plastic package casing and using its motor, the motor includes that stator module includes stator module, rotor assembly, plastic packaging casing, shaft and end cap, shaft is mounted on rotor assembly, stator module includes stator core, coil windings and overhang insulation, it is stator assembly and rotor assembly mounted in plastic packaging casing, end cap is mounted on the both ends of plastic packaging casing, end cap is equipped with bearing chamber, bearing is installed in bearing chamber, rotating shaft support is on bearing, plastic packaging casing includes metal chassis, it is formed among metal chassis for installing cavity stator assembly and rotor assembly, plastic shell is molded on the outer surface of the metal chassis, improve motor radiating effect, good appearance, without additional radiator, it is at low cost, the structural strength of casing can be improved.

Description

A kind of motor plastic package casing and the motor using it

Technical field:

The utility model relates to a kind of motor plastic package casing and using its motor.

Background technique:

Traditional high power DC brushless motor include stator module include stator module, rotor assembly, casing, shaft and End cap, shaft are mounted on rotor assembly, and stator module includes stator core, coil windings and overhang insulation, stator module and Rotor assembly is mounted in casing, and end cap is mounted on the both ends of casing, and end cap is equipped with bearing chamber, is equipped with axis in bearing chamber It holding, rotating shaft support is on bearing, and the electric machine structure is in order to solve heat dissipation problem, by being equipped with aluminium radiator in the outside of casing, Since aluminium radiator is at high cost, lead to complete machine increased costs, shape is unsightly.

Summary of the invention:

The purpose of the utility model is to provide a kind of motor plastic package casing and using its motor, good heat dissipation effect, cost It is low, good appearance, moreover it is possible to improve the structural strength of casing.

The purpose of this utility model is achieved by following technical proposals.

A kind of motor plastic package casing, including metal chassis, metal chassis centre are formed for installing stator module and rotor The cavity of component is molded with plastic shell on the outer surface of the metal chassis.

The inner surface of the plastic shell is equipped with several convex buckles, if the metal chassis is equipped with and plastic shell The through-hole of dry convex buckle corresponding matching, is buckled in plastic shell in metal chassis.

The outer surface of the plastic shell is equipped with several heat dissipation convex ribs.

Several heat dissipation convex ribs are in a vertical shape.

Several axially position muscle are molded on the inner surface of the metal chassis.

A circular orientation muscle is molded on inner surface one end of the metal chassis.

The plastic shell, several heat dissipation convex ribs, several axially position muscle and circular orientation muscle are made of integrated injection molding.

The metal chassis is equipped with outlet hole.

A kind of motor, including stator module include stator module, rotor assembly, plastic packaging casing, shaft and end cap, shaft peace On rotor assembly, stator module includes stator core, coil windings and overhang insulation, is stator assembly and rotor assembly installed In plastic packaging casing, end cap is mounted on the both ends of plastic packaging casing, and end cap is equipped with bearing chamber, is equipped with bearing in bearing chamber, turns Axis is supported on bearing, and the plastic packaging casing is any one plastic packaging casing described above, if the stator core is equipped with Dry card slot, several card slots with several axially position muscle of metal chassis be it is corresponding, the positioning bar is installed in card slot.

The utility model compared with prior art, has the effect that

1) the utility model includes metal chassis, is formed among metal chassis for installing stator assembly and rotor assembly Cavity is molded with plastic shell on the outer surface of the metal chassis, improves motor radiating effect, good appearance, without additional Radiator, it is at low cost, the structural strength of casing can be improved；

2) inner surface of plastic shell is equipped with several convex buckles, and the metal chassis is equipped with several with plastic shell The through-hole of a convex buckle corresponding matching, is buckled in plastic shell in metal chassis, can prevent plastic shell in metal chassis It falls off；

3) outer surface of plastic shell is equipped with several heat dissipation convex ribs, improves the heat dissipation effect of motor；

4) inner surface of metal chassis is equipped with several axially position muscle, and stator core is equipped with several card slots, if described Dry card slot with several axially position muscle of metal chassis be it is corresponding, positioning bar is installed in card slot, prevents stator core circumferential Rotation, moreover it is possible to improve the structural strength of casing；

5) inner surface one end of metal chassis is equipped with a circular orientation muscle, and stator core is supported on the one of circular orientation muscle End, plays axially position, moreover it is possible to improve the laser intensity of casing.

Detailed description of the invention:

Fig. 1 is the perspective view of the present embodiment one；

Fig. 2 is the stereogram exploded view of the present embodiment one；

Fig. 3 is the perspective view of embodiment two；

Fig. 4 is the top view of embodiment two；

Fig. 5 is the cross-sectional view of A-A in Fig. 4；

Fig. 6 is the front view of embodiment two；

Fig. 7 is the cross-sectional view of B-B in Fig. 6；

Fig. 8 is the partial enlarged view of C in Fig. 7；

Fig. 9 is the cross section view of embodiment two.

Specific embodiment:

The utility model is described in further detail below by specific embodiment and in conjunction with attached drawing.

Embodiment one:

As shown in Figure 1 to Figure 2, the present embodiment is a kind of motor plastic package casing, including metal chassis 1, among metal chassis 1 Form the cavity for installing stator module 2 and rotor assembly 3, it is characterised in that: be molded on the outer surface of the metal chassis 1 There is plastic shell 4.

The inner surface of the plastic shell 4 is equipped with several convex buckles 41, and the metal chassis 1 is equipped with and plastic shell The through-hole 11 of 4 several 41 corresponding matchings of convex buckle, is buckled in plastic shell 4 in metal chassis 1.

The outer surface of the plastic shell 4 is equipped with several heat dissipation convex ribs 42.

Several heat dissipation convex ribs 42 are in a vertical shape.

Several axially position muscle 12 are molded on the inner surface of the metal chassis 1.

A circular orientation muscle 13 is molded on inner surface one end of the metal chassis 1.

The plastic shell 4, several heat dissipation convex ribs 42, several axially position muscle 12 and circular orientation muscle 13 are integrated notes Made of modeling.

The metal chassis 1 is equipped with outlet hole 14.

Embodiment two:

As shown in figs. 3 to 9, a kind of motor, including stator module 2, rotor assembly 3, plastic packaging casing 10, shaft 5 and end Lid 6, shaft 5 are mounted on rotor assembly 3, and stator module 2 includes stator core 21, coil windings 22 and overhang insulation 23, are determined Sub-component 2 and rotor assembly 3 are mounted in plastic packaging casing 10, and end cap 6 is mounted on the both ends of plastic packaging casing 10, and end cap 6 is equipped with Bearing chamber 61 is equipped with bearing 62 in bearing chamber 61, and shaft 5 is supported on bearing 62, and the plastic packaging casing 10 is above-mentioned implementation Any one plastic packaging casing 10 described in example one, the stator core 21 are equipped with several card slots 211, several card slots 211 Be with several axially position muscle 12 of metal chassis 1 it is corresponding, the axially position muscle 12 is installed in card slot 211, stator iron Core 21 is supported on one end of circular orientation muscle 12, plays axially position.

The end face of the end cap 6 is equipped with several radiating ribs 63, improves motor radiating effect.

Above embodiments are better embodiment of the invention, and embodiments of the present invention are not limited thereto, other are any Made changes, modifications, substitutions, combinations, simplifications without departing from the spirit and principles of the present invention are equivalent displacement side Formula is included within the scope of the present invention.

Claims (9)

1. a kind of motor plastic package casing, including metal chassis (1), metal chassis (1) is intermediate to be formed for installing stator module (2) With the cavity of rotor assembly (3), it is characterised in that: be molded with plastic shell (4) on the outer surface of the metal chassis (1).

2. a kind of motor plastic package casing according to claim 1, it is characterised in that: the inner surface of the plastic shell (4) It is equipped with several convex buckles (41), the metal chassis (1) is equipped with that convex buckle (41) are corresponding matches with several of plastic shell (4) The through-hole (11) of conjunction, is buckled in plastic shell (4) on metal chassis (1).

3. a kind of motor plastic package casing according to claim 1 or 2, it is characterised in that: the appearance of the plastic shell (4) Face is equipped with several heat dissipation convex ribs (42).

4. a kind of motor plastic package casing according to claim 3, it is characterised in that: several heat dissipation convex ribs (42) are in perpendicular It is arranged to uniform intervals.

5. a kind of motor plastic package casing according to claim 3, it is characterised in that: the inner surface of the metal chassis (1) On be molded with several axially position muscle (12).

6. a kind of motor plastic package casing according to claim 5, it is characterised in that: the inner surface of the metal chassis (1) A circular orientation muscle (13) is molded on one end.

7. a kind of motor plastic package casing according to claim 6, it is characterised in that: the plastic shell (4), several heat dissipations Convex ribs (42), several axially position muscle (12) and circular orientation muscle (13) are made of integrated injection molding.

8. a kind of motor plastic package casing according to claim 6, it is characterised in that: the metal chassis (1) is equipped with String holes (14).

9. a kind of motor, including stator module (2), rotor assembly (3), plastic packaging casing (10), shaft (5) and end cap (6), shaft (5) it is mounted on rotor assembly (3), stator module (2) includes stator core (21), coil windings (22) and overhang insulation (23), stator module (2) and rotor assembly (3) are mounted in plastic packaging casing (10), and end cap (6) is mounted on plastic packaging casing (10) Both ends, end cap (6) are equipped with bearing chamber (61), and bearing chamber (61) is inner to be equipped with bearing (63), and shaft (5) is supported on bearing (63) On, it is characterised in that: the plastic packaging casing (10) is that the claims 1 to any one motor according to any one of claims 8 is moulded Seal casing, the stator core (21) is equipped with several card slots (211), several card slots (211) and metal chassis (1) if Dry axially position muscle (12) be it is corresponding, it is inner that the axially position muscle (12) is installed on card slot (211).