CN207664766U - A kind of water proof type direct driving motor - Google Patents

Abstract

The utility model discloses a kind of water proof type direct driving motors, its key points of the technical solution are that including the shell of both ends covering drive end bearing bracket and rear end cap, stator and rotor are provided in shell, delivery outlet is provided on drive end bearing bracket, one end of the main shaft of rotor extends to hull outside by delivery outlet, the equipped at outlet port of the drive end bearing bracket is detachably connected with axle sleeve, axle sleeve is sheathed on spindle outer wall, spindle outer wall is detachably connected with barrier ring, sleeve lining offers the intercepting groove for accommodating barrier ring, there are gaps between barrier ring outer wall and intercepting groove inner wall, the water proofing property for improving motor is achieved the effect that.

Description

A kind of water proof type direct driving motor

Technical field

The utility model is related to motor field, more particularly to a kind of water proof type direct driving motor.

Background technology

Direct driving motor refers to being not required to by transmission device, directly drives the motor of load, have it is mute, energy saving, steady, The advantages such as powerful.Direct driving motor includes the shell that both ends carry end cap, and the stator being arranged in shell is arranged in stator Rotor, the main shaft of rotor is pierced by end cap and connected with load.

Since there are gaps between main shaft and end cap so that the leakproofness between shell is inside and outside is poor, can not be in oil field etc. It is used in environment, for this purpose, the research and development of various waterproof class motors are particularly important.

Existing to can refer to the Chinese patent that notification number is CN202721538U, it discloses a kind of waterproof machines, including Stator, rotor and shell, rotor are set to by main shaft in shell, and the both ends of shell are respectively equipped with drive end bearing bracket and rear end cap, front end It covers and is equipped with gland.Gland is sheathed on main shaft, is tightly connected by sealing ring between main shaft.Rear end cap connects with housing seal It connects, rear end cap covers in the periphery in rear-end of spindle portion.The side wall of shell is equipped with terminal box, and terminal box includes box body, end cap cable The front end of pipe and sealing cover, end cap is equipped with recess portion, and sealing cover is set to the front end of end cap, and pad is equipped between the recess portion of end cap Circle.

However, after being sealed using sealing ring, in order to not influence the rotation of main shaft, there are seams between sealing ring needs and main shaft Gap, outside moisture can enter enclosure interior by above-mentioned gap, cause the leakproofness inside and outside shell poor.

Utility model content

In view of the shortcomings of the prior art, the utility model provides a kind of water proof type direct driving motor, the anti-of motor is improved to reach Aqueous effect.

The above-mentioned technical purpose of the utility model technical scheme is that：

A kind of water proof type direct driving motor includes the shell of both ends covering drive end bearing bracket and rear end cap, stator is provided in shell And rotor, delivery outlet is provided on drive end bearing bracket, and one end of the main shaft of rotor extends to hull outside, the drive end bearing bracket by delivery outlet Equipped at outlet port be detachably connected with axle sleeve, axle sleeve is sheathed on spindle outer wall, and spindle outer wall is detachably connected with barrier ring, axle sleeve Inner wall offers the intercepting groove for accommodating barrier ring, and there are gaps between barrier ring outer wall and intercepting groove inner wall.

Barrier ring is installed on main shaft, axle sleeve when needing to use motor in wet environment by using said program It is installed on drive end bearing bracket, forms the gap of bending between barrier ring and intercepting groove.During motor operation, the main shaft of rotor is in delivery outlet The setting of interior rotation, barrier ring and intercepting groove extends shell in the inside and outside mass exchange path of equipped at outlet port, is equivalent to defeated Physical barriers are arranged in exit, in the case where not influencing main axis, enter enclosure interior for the moisture of hull outside and provide It hinders, avoids hull outside moisture from invading enclosure interior, influence the operation of shell inner stator and rotor, improve the sealing of motor Property.

Preferably, being to be bolted between the barrier ring and main shaft.

By using said program, fixed by turning the fixation between bolt realization barrier ring and main shaft or releasing, knot Structure is simple, easy to operate.

Preferably, the bolt is connect across barrier ring with spindle thread by the outer circumferential walls of barrier ring, the circle of barrier ring All outer walls, which offers, to be accommodated bolt and sets croze.

By using said program, bolt is hidden in and is set in croze, the gap reduced between barrier ring and intercepting groove is big It is small, further increase sealing effect.

Preferably, being provided with sealing ring between the spindle outer wall and barrier ring.

By using said program, the leakproofness between spindle outer wall and barrier ring is improved, reduces outside moisture by this Into the possibility of enclosure interior.

Preferably, the sealing ring material is rubber.

By using said program, the sealing performance of rubber is excellent, can effectively obstruct the entrance of outside moisture, and wear-resisting Property it is good, reduce repair replacement frequency.

Preferably, the axle sleeve is made of the body of two dismountable semicirculars.

By using said program the installation convenience of axle sleeve is improved convenient for the dismounting between axle sleeve and intercepting groove.

Preferably, the material of the barrier ring and axle sleeve is plastics.

By using said program, mitigates the weight of barrier ring and axle sleeve, mitigate the dead weight of motor, transport easy to remove.

Preferably, the material of the barrier ring and axle sleeve is polyphenylene sulfide.

By using said program, polyphenylene sulfide has high-fire resistance, high mechanical properties, certain rigid, fire retardant, resistance toization The characteristics such as drug corrosion are learned, the wet environments such as oil field are suitable for.

In conclusion the utility model has the advantages that：

Dismountable barrier ring is set on main shaft, dismountable axle sleeve is set on drive end bearing bracket, barrier ring in axle sleeve The intercepting groove of wall forms curved slot, enters enclosure interior for the moisture of hull outside and provides obstruction, when motor has in humidity When in water environment, in the case where not influencing main axis, the waterproof seal of motor is improved.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the close-up schematic view at A in Fig. 1；

Fig. 3 is the exploded perspective view for embodying housing interior structure；

Fig. 4 is the partial schematic diagram embodied at the bearing fit of main shaft and drive end bearing bracket；

Fig. 5 is the cut-away illustration for embodying structure at intercepting groove and barrier ring；

Fig. 6 is the close-up schematic view at B in Fig. 5；

Fig. 7 is to embody axle sleeve and the structural schematic diagram at flange cooperation；

Fig. 8 is the exploded perspective view for embodying axle sleeve and main axle structure；

Fig. 9 is to embody the close-up schematic view for rolling pearl structure in Fig. 8 at C；

Figure 10 is the structural schematic diagram for embodying collar bolt structure in Fig. 8 at D.

In figure, 1, shell；11, drive end bearing bracket；111, preceding bonnet bolt；112, flange；1121, delivery outlet；1122, sealing ring； 12, rear end cap；121, rear bonnet bolt；13, rear sealing cover；131, sealing bolt；14, terminal box；141, cable interface；15, axis It holds；2, stator；3, rotor；31, rotary body；32, main shaft；321, keyway；4, axle sleeve；41, Split bolt；42, sealing strip；43、 Admittedly covering bolt；44, intercepting groove；441, pearl slot is set；45, repairing mouth；451, repairing lid；5, barrier ring；51, sealing ring；52, ring spiral shell Bolt；53, croze is set；6, pearl is rolled.

Specific implementation mode

The utility model is described in further detail below in conjunction with attached drawing, word " preceding " used in the following description, " rear ", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" difference Refer to the direction towards or away from geometric center of specific component.

A kind of water proof type direct driving motor is provided with stator 2 and rotor in shell 1 as shown in Figure 3 and Figure 5, including shell 1 3,1 both ends of shell are covered with drive end bearing bracket 11 and rear end cap 12, and delivery outlet 1121, the main shaft 32 of rotor 3 are provided on drive end bearing bracket 11 One end extended to outside shell 1 by delivery outlet 1121, axle sleeve 4 is provided at delivery outlet 1121,32 outer wall of main shaft of rotor 3 is set Be equipped with barrier ring 5,4 inner wall of axle sleeve offers the intercepting groove 44 for accommodating barrier ring 5,5 outer wall of barrier ring and 44 inner wall of intercepting groove it Between be provided with roll pearl 6.

As shown in figures 1 and 3, shell 1 is the cylinder-like structure of both ends open, and axis is located in horizontal plane, axis both ends It has been covered each by drive end bearing bracket 11 and rear end cap 12.Drive end bearing bracket 11 and rear end cap 12 are circular lid, pass through preceding bonnet bolt 111 respectively It is realized with rear bonnet bolt 121 and shell 1 detachable affixed.Side of the rear end cap 12 far from shell 1 is provided with rear sealing cover 13, after Sealing cover 13 is realized detachable affixed by sealing bolt 131 and shell 1, is realized further to the shell 1 of 12 side of rear end cap Sealing.

In conjunction with Fig. 4, the side of drive end bearing bracket 11 and rear end cap 12 inside shell 1 is installed on bearing 15, bearing 15 Axis is overlapped with 1 axis of shell.Drive end bearing bracket offers circular delivery outlet 1121 at 11 center（With reference to figure 7）, delivery outlet 1121 Axis overlapped with the axis of drive end bearing bracket 11, in conjunction with Fig. 2,1121 edge of delivery outlet is to extending to form flange far from 1 side of shell 112,112 inner wall of flange is cylindrical surface and is installed with the sealing ring 1122 of rubber material.Fig. 1 is reviewed, the outer circumferential walls of shell 1 are set It is equipped with the terminal box 14 with cable interface 141, is used for connection cables.

Fig. 3 is reviewed, stator 2 is installed in shell 1, stator 2 is the cylinder-like structure of both ends open, axis and 1 axis of shell Line overlaps.Rotor 3 is installed in stator 2, rotor 3 includes the rotary body 31 being located in stator 2, and rotary body 31 is cylindric knot Structure, axis are overlapped with the axis of stator 2.Main shaft 32 is provided on rotary body 31, main shaft 32 is oval column, axis and rotary body 31 axis overlaps.The axial both ends of main shaft 32 are matched with the bearing 15 at drive end bearing bracket 11 and rear end cap 12 respectively, and close One end of drive end bearing bracket 11 is pierced by shell 1 by delivery outlet 1121, and the at one end that main shaft 32 is pierced by shell 1 is offered and matched with load Keyway 321.

Stator 2 generates magnetic field after being powered, and drives rotor 3 to rotate by electromagnetic induction, and then main shaft 32 is driven to rotate, finally The load rotation being connect with main shaft 32 is driven, mechanical energy is converted electrical energy into.

Fig. 2 to be reviewed, axle sleeve 4 is cased with outside the main shaft 32 at flange 112, axle sleeve 4 is made of two dismountable bodies, so as to In the installation of axle sleeve 4.The section semicircular in shape of each body, the axle sleeve 4 that sleeve-shaped is combined by Split bolt 41 are whole. Split bolt 41 is arranged in the junction of two body outer circumferential walls, and axis is vertical with the axis that axle sleeve 4 is whole.In order to improve axis The whole leakproofness of set 4, two body junctions are provided with the sealing strip 42 of rubber material.

Axle sleeve 4 is whole to be set in 32 outer wall of main shaft, and axis is overlapped with the axis of main shaft 32, and the inner diameter of axle sleeve 4 is more than The outer diameter of main shaft 32.Axle sleeve 4 is caught in close to one end of drive end bearing bracket 11 in flange 112, outer wall and the sealing ring 1122 at the end Inner wall fit closely, and the end realized by solid set bolt 43 and flange 112 it is detachable affixed.Admittedly cover bolt 43 axis with The axis of axle sleeve 4 is vertical, is threadedly coupled with axle sleeve 4 across flange 112 by 112 outer wall of flange.

Install axle sleeve 4 when, two bodies are first fastened in 32 outer wall of main shaft, with Split bolt 41 by two bodies it is affixed at Axle sleeve 4 is whole, then 4 entirety of axle sleeve is fixed in flange 112 with set bolt 43 admittedly.

In conjunction with Fig. 8, barrier components are provided between axle sleeve 4 and main shaft 32, barrier components include along the axial setting of main shaft 32 Multiple barrier rings 5.Barrier ring 5 is the ring-shaped structure for being set in 32 outer wall of main shaft, and inner ring is installed with the sealing of rubber material Ring 51, sealing ring 51 are closely abutted with 32 outer wall of main shaft, and circumferential end of the barrier ring 5 far from main shaft 32 is away from 1 side of shell It tilts.

In conjunction with Figure 10, barrier ring 5 is detachable affixed by being realized between multiple collar bolts 52 and main shaft 32, collar bolt 52 Axis is overlapped with the axis of main shaft 32, is threadedly coupled with main shaft 32 across barrier ring 5 by end face of the barrier ring 5 far from main shaft 32. End face of the barrier ring 5 far from main shaft 32, which offers, to be accommodated collar bolt 52 and sets croze 53, end of the collar bolt 52 far from main shaft 32 Positioned at setting in croze 53.

When barrier ring 5 is installed, multiple barrier rings 5 are inserted in main shaft 32 successively, then, are consolidated barrier ring 5 with collar bolt 52 Due to main shaft 32.

In conjunction with Fig. 5 and Fig. 8,4 inner wall of axle sleeve offers the intercepting groove 44 for accommodating barrier ring 5,5 outer wall of barrier ring and intercepting groove The gap that bending is formed between 44 inner walls, when outside moisture along main shaft 32 axially adjacent to shell 1 when, by the resistance of multiple barrier rings 5 Gear, and then reduce moisture and enter possibility inside shell 1.

Barrier ring 5 and axle sleeve 4 are all made of polyphenylene sulfide material, light-weight, the mitigation rotation burden of main shaft 32, and heat-resisting height, High mechanical strength, corrosion-resistant, the wet environments such as adaptation oil field.

In conjunction with Fig. 9, multiple spherical rollings are evenly distributed in the gap between 44 inner wall of 5 outer wall of barrier ring and intercepting groove Pearl 6.44 inner wall of intercepting groove offers to accommodate and rolls pearl 6 and set pearl slot 441, and it is sphere slot with opening, inner wall to set pearl slot 441 It is abutted with 6 outer wall of pearl is rolled.Volume of the pearl 6 more than half is rolled positioned at setting in pearl slot 441, close to the part of barrier ring 5 and resistance Spacer ring 5 rolls connection.

It in conjunction with Fig. 5 and Fig. 7, sets and is coated with lubricating oil in pearl slot 441, to further decrease the rolling resistance for rolling pearl 6.Edge 4 outer wall of axle sleeve offers the repairing mouth 45 being connected to intercepting groove 44, and to add lubricating oil to roll pearl 6, repairing mouth 45 is separate Repairing lid 451 is covered at the port of intercepting groove 44, convenient for opening or sealing repairing mouth 45.

The utility model use process is as follows：

Barrier ring 5 is installed on main shaft 32 with collar bolt 52, is then directed at the intercepting groove 44 on two bodies of axle sleeve 4 And it is inserted in corresponding barrier ring 5, and it is with Split bolt 41 that two bodies are affixed whole at axle sleeve 4, axle sleeve 4 is inserted into flange 112 It is interior, it is with solid set bolt 43 that axle sleeve 4 is whole affixed with flange 112.The gap of bending is formed between barrier ring 5 and intercepting groove 44, Stop that outside moisture enters along main shaft 32 in shell 1.When main shaft 32 rotates, roll in pearl 6 and 5 outer wall of barrier ring and intercepting groove 44 It is contacted between wall and to roll connection, provides support force and restriction effect power for main shaft 32, alleviate main shaft 32 in rotation process In shaking, and then improve the output stability to load.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but As long as all being protected by Patent Law in the right of the utility model.

Claims (8)

1. a kind of water proof type direct driving motor includes the shell (1) of both ends covering drive end bearing bracket (11) and rear end cap (12), shell (1) It is inside provided with stator (2) and rotor (3), is provided with delivery outlet (1121) on drive end bearing bracket (11), the one of the main shaft (32) of rotor (3) End extends to shell (1) outside by delivery outlet (1121), it is characterised in that：It can at the delivery outlet (1121) of the drive end bearing bracket (11) Dismounting is connected with axle sleeve (4), and axle sleeve (4) is sheathed on main shaft (32) outer wall, and main shaft (32) outer wall is detachably connected with barrier ring (5), axle sleeve (4) inner wall offers the intercepting groove (44) for accommodating barrier ring (5), barrier ring (5) outer wall and intercepting groove (44) inner wall Between there are gaps.

2. a kind of water proof type direct driving motor according to claim 1, it is characterised in that：The barrier ring (5) and main shaft (32) it is to be bolted between.

3. a kind of water proof type direct driving motor according to claim 2, it is characterised in that：The bolt is by barrier ring (5) Outer circumferential walls are threadedly coupled across barrier ring (5) with main shaft (32), and the outer circumferential walls of barrier ring (5), which offer, accommodates setting for bolt Croze (53).

4. a kind of water proof type direct driving motor according to claim 1, it is characterised in that：Main shaft (32) outer wall and barrier Sealing ring (51) is provided between ring (5).

5. a kind of water proof type direct driving motor according to claim 4, it is characterised in that：Sealing ring (51) material is rubber Glue.

6. a kind of water proof type direct driving motor according to claim 1, it is characterised in that：The axle sleeve (4) is removable by two The body of the semicircular unloaded is constituted.

7. a kind of water proof type direct driving motor according to claim 1, it is characterised in that：The barrier ring (5) and axle sleeve (4) Material be plastics.

8. a kind of water proof type direct driving motor according to claim 7, it is characterised in that：The barrier ring (5) and axle sleeve (4) Material be polyphenylene sulfide.