CN212114992U - Plastic package motor of air conditioner - Google Patents

Abstract

The utility model relates to the technical field of motors, specifically disclose an air conditioner plastic envelope motor, including plastic envelope stator, rotor subassembly, pivot, end cover and shock pad, the plastic envelope stator includes the plastic envelope shell that has one-way opening and holds the chamber, the stator core of plastic envelope in the plastic envelope shell and fix the stator winding on stator core, the rotor subassembly is installed in the pivot, and locate and hold the intracavity, the end cover is installed and is fixed on the one-way opening that holds the chamber, the pivot is connected with the end cover rotation through the bearing, the shock pad inner wall cross-section is the echelonment, the shock pad lock joint is fixed on end cover and plastic envelope; the utility model has the characteristics of the equipment is convenient, easy to overhaul, connects end cover and plastic envelope shell with the shock pad simultaneously to utilize single shock pad to carry out the connection installation of air conditioner, effectively reduced the quantity of shock pad when having ensured that the motor mounted position is accurate, and effectively guarantee the axiality of motor.

Description

Plastic package motor of air conditioner

Technical Field

The utility model relates to the technical field of motors, concretely relates to plastic envelope motor.

Background

The plastic package motor is formed by integrally packaging a stator core, a winding and the like of the motor by engineering plastics by adopting a plastic packaging technology, and can eliminate the traditional motor stator insulation treatment process and a metal shell of a common motor. The motor is used in household appliances and instrument fans such as dust collector, smoke exhaust ventilator, air conditioner, washing machine, air purifier, etc.

In the prior art, a plastic package motor for an air conditioner is generally installed on an installation seat in the air conditioner through a shock pad, wherein the shock pad is required to be installed on a front end cover and a rear end cover of the plastic package motor for fixing, the installation mode is easy to assemble and troublesome, and axial deviation is easily caused by the installation mode at two ends.

Disclosure of Invention

The utility model aims at providing an air conditioner plastic envelope motor that the installation is convenient, and the output shaft direction is accurate to prior art not enough.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an air conditioner plastic envelope motor, includes plastic envelope stator, rotor subassembly, pivot, end cover and shock pad, the plastic envelope stator holds the stator core of stator core and fixing the stator winding on stator core in the plastic envelope shell including having one-way opening, plastic envelope that the chamber was held to the plastic envelope stator, the rotor subassembly is installed in the pivot to locate and hold the intracavity, the end cover installation is fixed on the one-way opening that holds the chamber, the pivot is passed through the bearing and is connected with the end cover rotation, shock pad inner wall cross-section is the echelonment, the shock pad lock joint is fixed on end cover and plastic envelope.

Furthermore, the plastic package shell is provided with an axial annular groove, and the inner wall of the shock pad is provided with a clamping block capable of being matched with the annular groove.

Furthermore, a plurality of circumferential arrays of convex ribs are arranged on the end cover, and a plurality of clamping grooves matched with the convex ribs are arranged on the inner wall of the shock pad.

Furthermore, the end cover is provided with a first bearing cavity for mounting a bearing connected with the rotating shaft, and the convex rib is positioned on the outer wall of the first bearing cavity.

Furthermore, a positioning groove is formed in the inner wall of one end, close to the one-way opening of the containing cavity, of the plastic package shell, a hook hole is formed in one end of the positioning groove, a barb is arranged on the end cover, and the barb is guided by the positioning groove and then is tightly hooked in the hook hole to fix the end cover on the plastic package shell.

Furthermore, the constant head tank includes the insertion groove and the both ends of intercommunication holding the one-way open-ended outer end in chamber and the arc wall of being connected with insertion groove, colluding the hole respectively.

Further, the shock pad covers the outer side of the hook hole.

Furthermore, still include the grounding lug, be equipped with the slot of intercommunication stator core on the plastic envelope shell, the grounding lug inserts the slot and is connected with stator core.

Furthermore, a second bearing cavity for mounting a bearing connected with the rotating shaft is arranged at the bottom of the accommodating cavity.

Furthermore, the end cover and the plastic package shell are both made of BMC materials.

The utility model discloses following beneficial effect has:

the utility model has the characteristics of convenient assembly and easy maintenance, simultaneously, the shock pad is used for connecting the end cover and the plastic package shell, and a single shock pad is used for connecting and installing the air conditioner, thereby ensuring the accurate installation position of the motor, effectively reducing the using amount of the shock pad and saving the material cost; in addition, the plastic package shell adopts the design that has one-way opening and holds the chamber, effectively guarantees the axiality of motor to it is accurate to ensure to seal the pivot of motor and stretch out the direction.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic view of a disassembled structure of an end cover and a plastic package housing;

in the figure: 1. plastic packaging the stator; 2. a rotor assembly; 3. a rotating shaft; 4. an end cap; 5. a shock pad; 11. an accommodating chamber; 12. plastic packaging the shell; 13. a stator core; 14. a stator winding; 15. an annular groove; 16. positioning a groove; 17. hooking holes; 18. a slot; 19. a second bearing cavity; 41. a rib is protruded; 42. a first bearing cavity; 43. A barb; 51. a clamping block; 52. a card slot; 161. inserting the groove; 162. an arc-shaped groove.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments so as to more clearly understand the technical idea claimed in the present invention.

As shown in fig. 1-2 the utility model relates to an air conditioner plastic envelope motor, including plastic envelope stator 1, rotor subassembly 2, pivot 3, end cover 4 and shock pad 5, plastic envelope stator 1 holds stator core 13 of plastic envelope shell 12, plastic envelope in plastic envelope shell 12 and fixes stator winding 14 on stator core 13 of chamber 11 including having one-way opening, rotor subassembly 2 is installed in pivot 3 to locate and hold in the chamber 11, end cover 4 erection fixation is on the one-way opening who holds chamber 11, pivot 3 passes through the bearing and is connected with end cover 4 rotation, 5 inner wall cross-sections of shock pad are the echelonment, its and end cover 4, the laminating of plastic envelope shell 12 outer wall, 5 lock joints of shock pad are fixed on end cover 4 and plastic envelope shell 12.

The utility model uses the shock pad 5 to connect the end cover 4 and the plastic package shell 12, thereby further enhancing the firmness of the motor; the plastic package shell 12 can be installed on the air conditioner through the shock pad 5, so that the use amount of the shock pad 5 is effectively reduced while the accuracy of the installation position of the motor is ensured, and the material cost is saved; the shock pad 5 adopts a lock joint installation mode, so that the utility model has the characteristic of convenient assembly; in addition, the plastic package shell 12 is provided with a one-way opening accommodating cavity 11, namely, the shell is integrally connected with the rear end cover, and the structure can effectively ensure the coaxiality of the motor, so that when the shock pad 5 is installed and connected with the plastic package shell 12, the extending direction of the rotating shaft 3 of the plastic package motor is accurate.

It should be noted that the plastic package housing 12 is further provided with a jointing clamp for connecting the stator winding 14, and the jointing clamp belongs to the prior art and is not described in detail and identified herein.

Preferably, the plastic package housing 12 is provided with an annular groove 15 arranged axially, and the inner wall of the shock pad 5 is provided with a fixture block 51 capable of being matched with the annular groove 15; when installing shock pad 5, workman's application of force embolias plastic envelope shell 12 with shock pad 5 from end cover 4 one side on, go into the installation that can accomplish shock pad 5 in the ring channel 15 until fixture block 51 card, thereby make the utility model has the characteristics of the equipment of being convenient for.

Preferably, the end cap 4 is provided with a plurality of ribs 41 in a circumferential array, and the inner wall of the shock pad 5 is provided with a plurality of slots 52 which can be matched with the ribs 41; the convex ribs 41 and the clamping grooves 52 are arranged to be matched to prevent the shock pad 5 from deflecting relative to the plastic package shell 12, so that the motor is prevented from moving in the using process, the shock absorption effect of the shock pad 5 is effectively improved, and the stability of the output of the motor is further ensured.

Preferably, the end cover 4 is provided with a first bearing cavity 42 for mounting a bearing connected with the rotating shaft 3, and the convex rib 41 is positioned on the outer wall of the first bearing cavity 42; the ribs 41 are arranged along the circumferential array of the outer wall of the first bearing cavity 42, so that the shock pad 5 can be fastened with the end cover 4 in a centering manner.

Preferably, a positioning groove 16 is arranged on the inner wall of one end of the plastic package shell 12 close to the one-way opening of the accommodating cavity 11, a hook hole 17 is arranged at one end of the positioning groove 16, a barb 43 is arranged on the end cover 4, and the barb 43 is guided by the positioning groove 16 and then hooks the hook hole 17 tightly to fix the end cover 4 on the plastic package shell 12; the workman inserts earlier when installation end cover 4 along constant head tank 16 with barb 43 of end cover 4 and colludes the fixed that end cover 4 can be accomplished to tight hole 17 of colluding of barb 43, when needing to disassemble the maintenance, the workman only need press down barb 43 and make the barb break away from and collude hole 17 then remove along constant head tank 16 and can demolish end cover 4, thereby make the utility model has the characteristics of be convenient for install and remove, maintain, and end cover 4 need not to adopt fasteners such as screw to install, make the utility model discloses still have the characteristics that installation cost is low.

Preferably, the positioning slot 16 includes an insertion slot 161 communicating with the outer end of the one-way opening of the accommodating cavity 11, and an arc slot 162 having two ends respectively connected to the insertion slot 161 and the hook hole 17; the arc-shaped groove 162 extends along the circumferential direction of the inner wall of the accommodating cavity 11, so that the barb 43 is inserted into the insertion groove 161 and the end cover 4 is rotated to make the barb 43 hook the hook hole 17, which is characterized by simple operation.

Preferably, the shock absorbing pad 5 covers the outside of the hook hole 17, so as to prevent dust from entering the plastic package casing 12 from the hook hole 17.

Preferably, the plastic package shell 12 is provided with a slot 18 communicated with the stator core 13, the grounding sheet 6 is inserted into the slot 18 and connected with the stator core 13, so that the stator core 13 can be grounded, and the design is suitable for the type of the motor with no ground wire in the jointing clamp.

Preferably, the bottom of the accommodating cavity 11 is provided with a second bearing cavity 19 for mounting a bearing connected with the rotating shaft 3, so that the motor mounting coaxiality is further ensured.

Preferably, the end cover 4 and the plastic package housing 12 are both made of BMC material; the BMC material is an abbreviation of Bulk molding compound, which is commonly called unsaturated polyester Bulk molding compound in China, and is a material Bulk prepreg prepared by fully mixing GF (chopped glass fiber), UP (unsaturated resin), MD (filler) and various additives as main raw materials; the end cover 4 and the plastic package shell 12 are both made of BMC materials, so that the same expansion coefficient of the end cover and the plastic package shell can be ensured, and the shell is prevented from being extruded and torn under the change of environmental temperature and humidity.

Preferably, the end face of the plastic package housing 12 away from the end cover 4 is further provided with a heat dissipation column.

The utility model has the characteristics of convenient assembly and easy maintenance, simultaneously connects the end cover 4 and the plastic package shell 12 by the shock pad 5, and utilizes the single shock pad 5 to connect and install the air conditioner, thereby ensuring the accurate installation position of the motor, effectively reducing the using amount of the shock pad 5 and saving the material cost; in addition, the plastic package shell 12 adopts a design with a one-way opening accommodating cavity 11, so that the coaxiality of the motor is effectively ensured, and the accurate extending direction of the rotating shaft 3 of the motor is ensured.

Various other changes and modifications may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such changes and modifications should fall within the scope of the present invention.

Claims (10)

1. The plastic package motor of the air conditioner is characterized in that: including plastic packaging stator (1), rotor subassembly (2), pivot (3), end cover (4) and shock pad (5), plastic packaging stator (1) holds stator core (13) of chamber (11) and fixes stator winding (14) on stator core (13) including having one-way opening, plastic packaging in plastic packaging shell (12), rotor subassembly (2) are installed on pivot (3) to locate and hold chamber (11) in, end cover (4) erection fixation is on the one-way opening that holds chamber (11), pivot (3) are passed through the bearing and are connected with end cover (4) rotation, shock pad (5) inner wall cross-section is the echelonment, shock pad (5) lock joint is fixed on end cover (4) and plastic packaging shell (12).

2. The plastic package motor for the air conditioner as claimed in claim 1, wherein: the plastic package shell (12) is provided with an annular groove (15) which is axially arranged, and the inner wall of the shock pad (5) is provided with a clamping block (51) which can be matched with the annular groove (15).

3. The plastic package motor for the air conditioner as claimed in claim 1, wherein: the end cover (4) is provided with a plurality of circumferentially arrayed convex ribs (41), and the inner wall of the shock pad (5) is provided with a plurality of clamping grooves (52) which can be matched with the convex ribs (41).

4. The plastic package motor for the air conditioner according to claim 3, wherein: the end cover (4) is provided with a first bearing cavity (42) for mounting a bearing connected with the rotating shaft (3), and the convex rib (41) is positioned on the outer wall of the first bearing cavity (42).

5. The plastic package motor for the air conditioner as claimed in claim 1, wherein: be equipped with constant head tank (16) on plastic envelope shell (12) near holding one-way open-ended one end inner wall of chamber (11), constant head tank (16) one end is equipped with colludes hole (17), be equipped with barb (43) on end cover (4), barb (43) collude tight hole (17) and fix end cover (4) on plastic envelope shell (12) after leading in through constant head tank (16) direction.

6. The plastic package motor for the air conditioner according to claim 5, wherein: the positioning groove (16) comprises an insertion groove (161) communicated with the outer end of the one-way opening of the accommodating cavity (11) and an arc-shaped groove (162) with two ends respectively connected with the insertion groove (161) and the hook hole (17).

7. The plastic package motor for the air conditioner according to claim 5, wherein: the shock pad (5) covers the outer side of the hook hole (17).

8. The plastic package motor for the air conditioner as claimed in claim 1, wherein: still include ground lug (6), be equipped with slot (18) of intercommunication stator core (13) on plastic envelope shell (12), ground lug (6) insert slot (18) and are connected with stator core (13).

9. The plastic package motor for the air conditioner as claimed in claim 1, wherein: and a second bearing cavity (19) for mounting a bearing connected with the rotating shaft (3) is arranged at the bottom of the accommodating cavity (11).

10. The plastic package motor for the air conditioner as claimed in claim 1, wherein: the end cover (4) and the plastic package shell (12) are both made of BMC materials.

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