CN210780338U

CN210780338U - Direct current fan oil external storage structure motor

Info

Publication number: CN210780338U
Application number: CN201921977705.3U
Authority: CN
Inventors: 黄帆; 陈永耀
Original assignee: Shenzhen Sanly Motor Co ltd
Current assignee: Shenzhen Sanly Motor Co ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-06-16
Anticipated expiration: 2029-11-15

Abstract

The utility model relates to a fan motor technical field, and disclose direct current fan oil outer storage structure motor, including the frame, the lower inside wall fixedly connected with base of frame, the middle part of base is the protruding setting that makes progress, and the fixed cover in middle part of base is equipped with the stator, the inside of frame is equipped with the flabellum, the inside middle part fixedly connected with annular magnetic ring of flabellum cup joints with the stator activity through annular magnetic ring, the last inside wall middle part fixedly connected with axle center of flabellum, the lower extreme in axle center inserts the inside setting in middle part of base, the middle part upper end of base is seted up and is rotated with the axle center with axle center assorted slot and through oily bearing and. The utility model discloses convenient to use effectively avoids adding oil and axle center direct contact, reduces the grease and leaks through the axle center, and better protection plays the phenomenon of avoiding supplementing the oil and can not leak inside the motor to the supplementary oil, improves the lubrication action between motor axle center and the bearing, prolongs the whole function life-span of oily structure motor.

Description

Direct current fan oil external storage structure motor

Technical Field

The utility model relates to a fan motor technical field especially relates to direct current fan oil external storage structure motor.

Background

The existing structure of the motor is that oil is directly added between the axis of the fan and the bearing through external supplement, and the oil storage tank of the base of the fan is used for prolonging the service life of the fan.

However, in these existing structures, grease directly contacts with the axis, and oil flows out of the bearing when rotating around the axis, so that the oil leaks out, and the oil cannot be sufficiently added to prolong the service life; the inside oil that soaks of bearing also can be consumed when the fan operates, soaks oil when the fan operates and can "the hot rising" outwards ooze, in the oil can "contract with cold" absorb the oil and can the bearing when the fan stops operating, nevertheless because the inside oil mass that soaks of oily bearing is limited, the oil is the consumer when the fan operates, will appear friction abnormal sound etc. influence fan (motor) life-span problem when the inside oil consumption of oily bearing self fan (motor).

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of proposing in the background art, and the direct current fan oil external storage structure motor of proposing.

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

direct current fan oil stores structure motor outward, including the frame, the lower inside wall fixedly connected with base of frame, the middle part of base makes progress the protruding setting, and the fixed cover in middle part of base is equipped with the stator, the inside of frame is equipped with the flabellum, the inside middle part fixedly connected with annular magnetic ring of flabellum cup joints with the stator activity through annular magnetic ring, the last inside wall middle part fixedly connected with axle center of flabellum, the lower extreme in axle center inserts the inside setting in middle part of base, the middle part upper end of base is seted up and is rotated with the axle center through oily bearing and be connected, the inside below of slot is equipped with inboard oil storage tank, the outside oil storage tank that two symmetries set up is seted up to oily bearing's lateral wall.

Preferably, the groove bottom of the slot is fixedly connected with a graphite gasket.

Preferably, two symmetrically arranged exhaust grooves are formed in the circumferential side wall of the oil-retaining bearing.

Preferably, the upper end of the side wall of the shaft center is provided with an annular groove and movably sleeved with an annular retaining ring through the annular groove, and the annular retaining ring is fixedly arranged above the inner part of the slot.

Compared with the prior art, the utility model provides a direct current fan oil stores structure motor outward possesses following beneficial effect:

1. this direct current fan oil external storage structure motor, frame through being equipped with, a pedestal, a stator, the flabellum, the annular magnetic ring, the axle center, the oiliness bearing, mutually supporting of inboard oil storage tank and two outside oil storage tanks, because the interpolation oil that the outside oil storage tank stored can not direct contact with the axle center, reduce the problem that the grease leaked through the axle center, better protection is inside the motor to the replenishment oil, play and avoid the phenomenon that the replenishment oil can not leak, after the oil that the oiliness bearing of motor inside stored consumes, the oiliness bearing can absorb the oil of the outside storage of oilhole and carry the oiliness bearing inside, carry for the oiliness bearing inboard by the inside oilhole of oiliness bearing again, buffer the lubrication action between motor axle center and the oiliness bearing, prolong the whole operation life-span of oiliness structure motor.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses convenient to use effectively avoids adding oil and axle center direct contact, reduces the grease and leaks through the axle center, and better protection plays the phenomenon of avoiding supplementing the oil and can not leak inside the motor, improves the lubrication action between motor axle center and the bearing, prolongs the whole function life-span of oily structure motor.

Drawings

Fig. 1 is a schematic structural view of a motor with an external oil storage structure of a direct current fan according to the present invention;

fig. 2 is an explosion structure diagram of the motor with the oil external storage structure of the dc fan provided by the utility model;

fig. 3 is a schematic structural view of the oil-impregnated bearing in fig. 2.

In the figure: the structure comprises an outer frame 1, a base 2, a stator 3, fan blades 4, an annular magnetic ring 5, an axis 6, an oil-retaining bearing 7, an oil storage tank on the inner side 8, an oil storage tank on the outer side 9, a graphite gasket 10, an exhaust groove 11 and an annular retaining ring 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the motor with the oil external storage structure of the direct current fan comprises an outer frame 1, a base 2 is fixedly connected to the lower inner side wall of the outer frame 1, the middle part of the base 2 is arranged in an upward protruding manner, a stator 3 is fixedly sleeved at the middle part of the base 2, a fan blade 4 is arranged inside the outer frame 1, an annular magnetic ring 5 is fixedly connected to the middle part of the fan blade 4 and movably sleeved with the stator 3 through the annular magnetic ring 5, an axle center 6 is fixedly connected to the middle part of the upper inner side wall of the fan blade 4, the lower end of the axle center 6 is inserted into the middle part of the base 2 and arranged, a slot matched with the axle center 6 is arranged at the upper end of the middle part of the base 2 and rotatably connected with the axle center 6 through an oil-containing bearing 7, an inner oil storage tank 8 is arranged below the inner part of the, two exhaust grooves 11 are arranged on the other two sides of the oil-retaining bearing 7, and exhaust can be performed through the two exhaust grooves 11 on the oil-retaining bearing 7, so that stored oil in the outer oil storage groove 9 is not affected, and the stator 3 is formed by combining a winding, a silicon steel sheet, a winding frame and a PCB assembly.

The graphite gasket 10 is fixedly connected with the groove bottom of the slot, so that the shaft center 6 and the groove bottom of the slot can be lubricated, and the shaft center 6 and the groove bottom of the slot are prevented from being rubbed.

The upper end of the side wall of the shaft center 6 is provided with an annular groove and movably sleeved with an annular retaining ring 12 through the annular groove, and the annular retaining ring 12 is fixedly arranged above the inner part of the slot to prevent the shaft center 6 from separating from the slot and separating from the base 2.

The utility model discloses in, during the use, can make the interpolation oil of storing can not directly contact with axle center 6 through outside oil storage tank 9, reduce the problem that the grease passed through axle center 6 and leaked, better protection is inside the motor to supplementary oil, play and avoid the phenomenon that supplementary oil can not leak, the oil that contains the inside storage of oil bearing 7 when the motor has consumed the back, oil bearing 7 can absorb the outside oil of storing through the oilhole and carry inside oil bearing 7, carry for oil bearing 7 inboard by the inside oilhole of oil bearing 7 again, buffer the lubrication action between motor axle center 6 and the oil bearing 7, prolong the whole function life-span of oily structure motor.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The motor with the direct-current fan oil external storage structure comprises an outer frame (1) and is characterized in that a base (2) is fixedly connected to the lower inner side wall of the outer frame (1), the middle of the base (2) is arranged in an upward protruding mode, a stator (3) is fixedly sleeved on the middle of the base (2), fan blades (4) are arranged inside the outer frame (1), an annular magnetic ring (5) is fixedly connected to the middle of the inner portion of each fan blade (4) and movably sleeved with the stator (3) through the annular magnetic ring (5), an axle center (6) is fixedly connected to the middle of the upper inner side wall of each fan blade (4), the lower end of each axle center (6) is inserted into the middle of the base (2) to be arranged, an inserting groove matched with the axle center (6) is formed in the upper end of the middle of the base (2) and is rotatably connected with the axle center (6) through an oil bearing (7, the outer side wall of the oil-retaining bearing (7) is provided with two symmetrically arranged outer oil storage tanks (9).

2. The motor with the structure for storing oil outside the direct current fan according to claim 1, wherein a graphite gasket (10) is fixedly connected to the bottom of the slot.

3. The motor with the structure for storing oil outside the direct current fan as claimed in claim 1, wherein the circumferential side wall of the oil-containing bearing (7) is provided with two symmetrically arranged exhaust grooves (11).

4. The motor with the structure for storing oil outside the direct current fan as claimed in claim 1, wherein the upper end of the side wall of the shaft center (6) is provided with an annular groove and movably sleeved with an annular retaining ring (12) through the annular groove, and the annular retaining ring (12) is fixedly arranged above the inside of the slot.