CN203387325U

CN203387325U - Plastic-packaged motor

Info

Publication number: CN203387325U
Application number: CN201320455656.3U
Authority: CN
Inventors: 姬中营
Original assignee: HUBEI HUIYANG ELECTRICAL APPLIANCE MANUFACTURING CO LTD
Current assignee: HUBEI HUIYANG ELECTRICAL APPLIANCE MANUFACTURING CO LTD
Priority date: 2013-07-29
Filing date: 2013-07-29
Publication date: 2014-01-08
Anticipated expiration: 2023-07-29

Abstract

The utility model discloses a plastic-packaged motor, which comprises a rotating shaft, a rotor assembly, a plastic-packaged stator and a rear end cover, wherein the rotating shaft and the rotor assembly are connected together, the rotor assembly is nested in a cavity, a front bearing pedestal is arranged above the cavity at the front end of a plastic-packaged casing, the rear end face of the plastic-packaged casing is provided with an annular boss extending along the axial direction, the rear end cover is provided with an annular groove matched with the annular boss, the annular groove of the rear end cover is nested on the annular boss, the rear end cover is provided with a rear bearing pedestal, the front bearing pedestal and the rear bearing pedestal are provided with bearings respectively, the rotating shaft is supported on the bearings, the outer peripheral surface of the annular boss is provided with a plurality of clamping slots along the circumferential direction, the outer wall of the annular groove is stressed and concaved to form clamping blocks, and the clamping blocks are clamped into the clamping slots. The plastic-packaged motor disclosed by the utility model is simple in structure, convenient and firm in installation, and high in reliability. The plastic-packaged stator is simple in mold opening, and the cost of mold opening is low.

Description

A kind of plastic packaging motor

Technical field

The utility model relates to a kind of plastic packaging motor.

Background technology

Traditional plastic packaging motor end cap is mostly used gland to be connected with the mounting means of plastic packaging stator, directly adopt interference fit between end cap and plastic packaging stator, but this mounting means is very high to the dimension precision requirement of end cap and plastic packaging stator, if both dimensional uniformities are bad, just easily cause to coordinate and lost efficacy, end cap easily comes off, affect the normal operation of motor, and facts have proved, the plastic packaging motor of this mounting means often need to be torn machine open and reprocess, and indirectly improves the motor production cost.

Existing plastic packaging motor end cap generally stretches out some buckles at the end cap edge, be provided with some catching grooves on the outer peripheral face of plastic packaging stator, coordinate end cap is fixedly mounted on plastic packaging stator by buckle and catching groove, but this mounting means complex structure, the die sinking of plastic packaging stator and end cap is difficult, the die sinking cost is high, and the adhesion between end cap and plastic packaging stator is little, be difficult to more applicable special occasions.

Summary of the invention

The purpose of this utility model is to provide a kind of plastic packaging motor, and this is simple in structure, easy for installation firmly, reliability is high, and the plastic packaging stator die sinking is simple, the die sinking cost is low.

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

A kind of plastic packaging motor, comprise rotating shaft, rotor assembly, plastic packaging stator and rear end cap, rotating shaft and rotor assembly link together, be provided with cavity in the middle of plastic packaging stator, rotor assembly is nested in the cavity the inside, plastic packaging stator comprises stator core, coil windings and plastic packaging shell, above cavity, be provided with front-end bearing pedestal on plastic packaging shell front end, the rear end face of plastic packaging shell is provided with an annular boss extended vertically, rear end cap is provided with the annular groove coordinated with described annular boss, the annular groove of rear end cap is nested on annular boss, be provided with rear bearing block on rear end cap, front-end bearing pedestal, rear bearing block is equipped with bearing, rotating shaft support is on bearing, on the annular boss outer peripheral face, edge is circumferentially with some draw-in grooves, the stressed recessed embedding of the outer wall of annular groove forms fixture block, fixture block snaps onto the draw-in groove the inside.

The quantity of draw-in groove described above is 4, evenly circumferentially is distributed on the outer peripheral face of plastic packaging shell.

Draw-in groove described above extends on the outer peripheral face of plastic packaging shell.

Annular boss described above is provided with breach, and the lead-in wire wire clamp is installed on breach, and rear end cap is pressed on the breach the inside to the lead-in wire wire clamp.

Be provided with container cavity in the middle of the below of cavity described above, plastic packaging shell, wiring board is installed in container cavity, in the middle of wiring board, offer through hole, rotating shaft is passed from through hole.

Container cavity inwall described above is provided with some mounting grooves, and some projections are stretched out in the wiring board outside, the nested mounting groove the inside that is arranged on of projection.

In cavity described above, on front-end bearing pedestal, the bearing bearing support is set, bearing is arranged on the bearing bearing support.

The utility model compared with prior art, have following effect: 1) rotating shaft and rotor assembly link together, rotor assembly is nested in the cavity the inside, plastic packaging stator comprises stator core, coil windings and plastic packaging shell, above cavity, be provided with front-end bearing pedestal on plastic packaging shell front end, the rear end face of plastic packaging shell is provided with an annular boss extended vertically, rear end cap is provided with the annular groove coordinated with described annular boss, the annular groove of rear end cap is nested on annular boss, be provided with rear bearing block on rear end cap, front-end bearing pedestal, rear bearing block is equipped with bearing, rotating shaft support is on bearing, on the annular boss outer peripheral face, edge is circumferentially with some draw-in grooves, the stressed recessed embedding of the outer wall of annular groove forms fixture block, fixture block snaps onto the draw-in groove the inside, this is simple in structure, easy for installation firm, reliability is high, the plastic packaging stator die sinking is simple, the die sinking cost is low, 2) quantity of draw-in groove is 4, evenly circumferentially is distributed on the outer peripheral face of plastic packaging shell, makes rear end cap and the plastic packaging shell is stressed is uniformly distributed, easy for installation firmly, reliability is high, 3) annular boss is provided with breach, and the lead-in wire wire clamp is installed on breach, and rear end cap is pressed on the breach the inside to the lead-in wire wire clamp, and this is simple in structure, draws motor down-lead by the lead-in wire wire clamp convenient and reliable, 4) the container cavity inwall is provided with some mounting grooves, and some projections are stretched out in the wiring board outside, the nested mounting groove the inside that is arranged on of projection, and this is simple in structure, the installation of wiring board is simple and convenient, reliability is high.

The accompanying drawing explanation

Fig. 1 is stereogram of the present utility model.

Fig. 2 is an exploded view of the present utility model.

Fig. 3 is another exploded view of the present utility model.

Fig. 4 is front view of the present utility model.

Fig. 5 is A-A cutaway view in Fig. 4.

Fig. 6 is B-B cutaway view in Fig. 4.

Fig. 7 is C-C partial enlarged drawing in Fig. 6.

Embodiment

Below by specific embodiment, also by reference to the accompanying drawings the utility model is described in further detail.

As shown in Figures 1 to 7, the utility model is a kind of plastic packaging motor, comprise rotating shaft 1, rotor assembly 2, plastic packaging stator 3 and rear end cap 4, rotating shaft 1 and rotor assembly 2 link together, be provided with cavity 31 in the middle of plastic packaging stator 3, rotor assembly 2 is nested in cavity 31 the insides, plastic packaging stator 3 comprises stator core 32, coil windings 33 and plastic packaging shell 34, above cavity 31, be provided with front-end bearing pedestal 341 on plastic packaging shell 34 front ends, the rear end face of plastic packaging shell 34 is provided with an annular boss 340 extended vertically, rear end cap 4 is provided with the annular groove 41 coordinated with described annular boss 340, the annular groove 41 of rear end cap 4 is nested on annular boss 340, be provided with rear bearing block 42 on rear end cap 4, front-end bearing pedestal 341, rear bearing block 42 is equipped with bearing 5, rotating shaft 1 is supported on bearing 5, on annular boss 340 outer peripheral faces, edge is circumferentially with some draw-in grooves 3401, the stressed recessed embedding of the outer wall of annular groove 41 forms fixture block 411, fixture block 411 snaps onto draw-in groove 3401 the insides.

The quantity of draw-in groove 3401 is 4, evenly circumferentially is distributed on the outer peripheral face of plastic packaging shell 34.

Draw-in groove 3401 extends on the outer peripheral face of plastic packaging shell 34.

Annular boss 340 is provided with breach 3402, and lead-in wire wire clamp 6 is installed on breach 3402, and rear end cap 4 is pressed on breach 3402 the insides to lead-in wire wire clamp 6.

Be provided with container cavity 35 in the middle of the below of cavity 31, plastic packaging shell 34, at the interior installation wiring board 7 of container cavity 35, in the middle of wiring board 7, offer through hole 71, rotating shaft 1 is passed from through hole 71.

Container cavity 35 inwalls are provided with some mounting grooves 350, and some projections 72 are stretched out in wiring board 7 outsides, and projection 72 is nested in mounting groove 350 the insides.

In cavity 31, on front-end bearing pedestal 341, bearing bearing support 342 is set, bearing 5 is arranged on bearing bearing support 342.

Principle of the present utility model is: the rear end face at plastic packaging shell 34 is provided with an annular boss 340 extended vertically, rear end cap 4 is provided with the annular groove 41 coordinated with described annular boss 340, the annular groove 41 of rear end cap 4 is nested on annular boss 340, on annular boss 340 outer peripheral faces, edge is circumferentially with some draw-in grooves 3401, the stressed recessed embedding of the outer wall of annular groove 41 forms fixture block 411, fixture block 411 snaps onto draw-in groove 3401 the insides, this is simple in structure, easy for installation firmly, reliability is high, and the plastic packaging stator die sinking is simple, the die sinking cost is low.

Claims

1. a plastic packaging motor, comprise rotating shaft (1), rotor assembly (2), plastic packaging stator (3) and rear end cap (4), rotating shaft (1) and rotor assembly (2) link together, be provided with cavity (31) in the middle of plastic packaging stator (3), rotor assembly (2) is nested in cavity (31) the inside, plastic packaging stator (3) comprises stator core (32), coil windings (33) and plastic packaging shell (34), top in cavity (31), be provided with front-end bearing pedestal (341) on plastic packaging shell (34) front end, the rear end face of plastic packaging shell (34) is provided with an annular boss (340) extended vertically, rear end cap (4) is provided with the annular groove (41) coordinated with described annular boss (340), the annular groove (41) of rear end cap (4) is nested on annular boss (340), be provided with rear bearing block (42) on rear end cap (4), front-end bearing pedestal (341), rear bearing block (42) is equipped with bearing (5), rotating shaft (1) is supported on bearing (5), it is characterized in that: on annular boss (340) outer peripheral face, edge is circumferentially with some draw-in grooves (3401), the stressed recessed embedding of the outer wall of annular groove (41) forms fixture block (411), fixture block (411) snaps onto draw-in groove (3401) the inside.

2. a kind of plastic packaging motor according to claim 1, it is characterized in that: the quantity of draw-in groove (3401) is 4, evenly circumferentially is distributed on the outer peripheral face of plastic packaging shell (34).

3. a kind of plastic packaging motor according to claim 1 and 2, it is characterized in that: draw-in groove (3401) extends on the outer peripheral face of plastic packaging shell (34).

4. a kind of plastic packaging motor according to claim 1, it is characterized in that: annular boss (340) is provided with breach (3402), at the upper lead-in wire wire clamp (6) of installing of breach (3402), rear end cap (4) is pressed on breach (3402) the inside to lead-in wire wire clamp (6).

5. a kind of plastic packaging motor according to claim 1, it is characterized in that: at the middle container cavity (35) that is provided with of below, the plastic packaging shell (34) of cavity (31), wiring board (7) is installed in container cavity (35), offer through hole (71) in the middle of wiring board (7), rotating shaft (1) is passed from through hole (71).

6. a kind of plastic packaging motor according to claim 5 is characterized in that: be provided with some mounting grooves (350) at container cavity (35) inwall, some projections (72) are stretched out in wiring board (7) outside, and projection (72) is nested in mounting groove (350) the inside.

7. a kind of plastic packaging motor according to claim 1 is characterized in that: in cavity (31), on front-end bearing pedestal (341), bearing bearing support (342) is set, bearing (5) is arranged on bearing bearing support (342).