CN206099602U

CN206099602U - Waterproof motor

Info

Publication number: CN206099602U
Application number: CN201621104815.5U
Authority: CN
Inventors: 吴季楠; 张水中; 朱卫东
Original assignee: Jiangsu Leili Motor Co Ltd
Current assignee: Jiangsu Leili Motor Co Ltd
Priority date: 2016-09-30
Filing date: 2016-09-30
Publication date: 2017-04-12
Anticipated expiration: 2026-09-30

Abstract

The utility model discloses a waterproof motor, it includes: the end cover, the axle, the axle rotatably supports on the end cover, epaxial part of stretching out the end cover is the extension, sealing element, the fixed suit of sealing element on the extension of axle so that sealing element follows the axle and rotates together, and sealing element with the end cover is the sealing saddle contact. The utility model discloses simple structure, waterproof ability reinforce is difficult to lose efficacy.

Description

Waterproof machine

Technical field

The utility model is related to a kind of waterproof machine, belongs to technical field of motors.

Background technology

At present, the midstance when Hybrid stepping motor with output shaft upward is used in having water or having the environment of steam, Water in environment can be along axle stream to bearing, then warp beam is held and penetrates into motor internal, causes motor internal and bearing rust, motor Failure.

At present the flexible potted component of motor waterproof type seals waterproof and mechanical sealing waterproof, current elastic packing Component seal technology uses elastic sealing elements and is wholely set with end cap, and motor shaft is rotated relative to elastic sealing elements, This waterproof type relatively rotates friction due to the seal of axle and elastic sealing elements, in dynamic water-proof, easily failure, and tie Structure is complicated, element precision has high demands；Mechanical seal be it is a kind of for solve between rotary shaft and body seal device, it be by At least one pair of effect and auxiliary seal in Fluid pressure and compensation mechanism elastic force (or magnetic force) of end face perpendicular to rotation axis Cooperation under keep laminating and constitute the device for preventing fluid leakage with respect to slip；The shortcoming of mechanical seal be complex structure, Energy loss, the installing space for needing are than larger；Waterproof is carried out only with stifled mode.

The content of the invention

Technical problem to be solved in the utility model is the defect for overcoming prior art, there is provided a kind of waterproof machine, it Simple structure, waterproof ability is strong, it is not easy to fail.

In order to solve above-mentioned technical problem, the technical solution of the utility model is：A kind of waterproof machine, it includes：

End cap；

Axle, the axle can be rotated to support on end cap, and the part that end cap is stretched out on the axle is extension；

Potted component, the potted component is fixedly set on the extension of axle, so that the potted component follows axle one Rise and rotate, and the potted component is contacted with the end cap in sealing shape.

The structure that a kind of potted component is contacted with the end cap dynamic sealing is further provided, is arranged on the potted component The sealing lip for having sealing lip, the potted component is adjacent on end cap, so that the potted component is in sealing with the end cap Shape is contacted.

Further, a sealing outer shroud is extended on the potted component, the sealing lip is arranged on the end of sealing outer shroud, Storage tank is provided with the end cap, in the embedded storage tank in end of the sealing outer shroud.

Further for can fully draining, the sealing outer shroud is along the axially extending of axle, and the sealing outer shroud Certain gap is left between radial outer wall face and the radial outer wall face of storage tank, so that there is the area in the gap on end cap Domain forms gutter channel, and the discharge structure for communicating with gutter channel and discharging in water is provided with the end cap.

Further, the discharge structure includes being arranged at least one rhone on end cap, the rhone with it is described Gutter channel is connected.

Further, rhone being radially arranged each along axle.

A kind of structure of specific end cap is further provided, the end cap extends an end cap on the outbound course of axle Outer shroud and an end cap inner ring, form the appearance of one end open and other end closing between the end cap outer shroud and the end cap inner ring Groove is put, the rhone is arranged on end cap outer shroud.

Further, the potted component also extends in the reverse direction a sealing inner ring, the sealing inner ring in the output of axle The draw-in groove of one end open and other end closing is formed and the sealing outer shroud between, the end cap inner ring is placed in draw-in groove.

A kind of structure of potted component is further provided, the potted component includes skeleton and is arranged on close outside skeleton Sealing.

After employing above-mentioned technical proposal, the utility model has following beneficial effect：

1st, potted component is fixedly set on the axle of motor, and potted component is rotated together with axle, and potted component with Dynamic sealing contact is carried out between end cap, is obstructed at the water Liu Dao potted components on axle, potted component surface is all guided to, so as to carry High waterproof ability, it is to avoid the phenomenon of waterproof failure；

2nd, potted component is embedded with skeleton, does not allow potted component yielding, it is ensured that its sealing property；

3rd, rhone is formed with end cap, and seals and stayed between the radial outer wall face of outer shroud and the radial outer wall face of storage tank There is certain gap, the gap area forms gutter channel, the end for adding potted component arranges sealing lip, is herein close with end cap Envelope, water will be along in the rhone of the appearance surface current inlet side lid of potted component, so as to outflow motor surface.

Description of the drawings

Fig. 1 is the structural representation of waterproof machine of the present utility model；

Fig. 2 is the stereogram of end cap of the present utility model；

Fig. 3 is the stereogram of potted component of the present utility model；

Fig. 4 is the stereogram that potted component of the present utility model coordinates with axle；

Fig. 5 is the stereogram that potted component of the present utility model coordinates with end cap；

Fig. 6 is the I portions enlarged drawing of Fig. 5.

Specific embodiment

In order that content of the present utility model is easier to be clearly understood, below according to specific embodiment and with reference to attached Figure, is described in further detail to the utility model.

As shown in figs. 1 to 6, a kind of waterproof machine, it is characterised in that it includes：

End cap 1；

Axle 2, the axle 2 can be rotated to support on end cap 1, and the part that end cap 1 is stretched out on the axle 2 is extension 21；

Potted component 3, the potted component 3 is fixedly set on the extension 21 of axle 2, so as to the potted component 3 with Rotate with axle 2, and the potted component 3 is contacted with the end cap 1 in sealing shape, and it is dynamic sealing to seal shape contact herein State；Wherein, potted component 3 can be being fixedly set on the extension 21 of axle 2 by the way of interference fit.

By arrangement above, it is obstructed at the water Liu Dao potted components 3 on axle 2, all guides to the surface of potted component 3, so as to Improve waterproof ability, it is to avoid the phenomenon of waterproof failure；

As shown in figure 3, being provided with sealing lip 31 on the potted component 3, the sealing lip 31 of the potted component 3 is adjacent to On end cap 1, so that the potted component 3 is contacted with the end cap 1 in sealing shape.Sealing lip 31 is typically in squeezed state, So as to realize effectively sealing.

As shown in Figure 2 and Figure 5, the potted component 3 extends in the reverse direction a sealing outer shroud 32, institute in the output of axle 2 The end that sealing lip 31 is arranged on sealing outer shroud 32 is stated, storage tank 11, the end of the sealing outer shroud 32 are provided with the end cap 1 In the embedded storage tank 11 in portion.

As shown in Figure 5 and Figure 6, the sealing outer shroud 32 is along the axially extending of axle 2, and the radial direction of the sealing outer shroud 32 Certain gap is left between outside wall surface and the radial outer wall face of storage tank 11, so that there is the area in the gap on end cap 1 Domain forms gutter channel 100, and the discharge structure for communicating with gutter channel 100 and discharging in water is provided with the end cap 1；When So, can also have certain gap between the inner radial wall face of the inner radial wall face of storage tank 11 and sealing outer shroud 32.

As shown in Figure 2 and Figure 5, the discharge structure includes at least one rhone 12 being arranged on end cap 1, the row Tank 12 is connected with the gutter channel 100, and the rhone 12 of the present embodiment is provided with six, circumferentially uniformly, the row Tank 12 is radially arranged each along axle 2, and the setting of above rhone 12 and gutter channel 100 causes the water can be along potted component 3 Appearance surface current influent stream tank 100, then pass through on end cap 1 arrange rhone 12 in, so as to outflow motor surface.

As shown in Fig. 2 the end cap 1 extends an end cap outer shroud 13 and an end cap inner ring 14 on the outbound course of axle 2, The storage tank 11 of one end open and other end closing, the row are formed between the end cap outer shroud 13 and the end cap inner ring 14 Tank 12 is arranged on end cap outer shroud 13.

As shown in figure 3, the potted component 3 also extends a sealing inner ring 33, the sealing on the outbound course of axle 2 The draw-in groove 34 of one end open and other end closing is formed between inner ring 33 and the sealing outer shroud 32, the end cap inner ring 14 is held It is placed in draw-in groove 34.

The potted component 3 includes skeleton and the seal being arranged on outside skeleton；Wherein, skeleton can be rushed using cold-reduced sheet Swaging is into seal is the rubber through vulcanizing treatment, and rubber is moulded on skeleton by injection molding manner, and this mode makes sealing Element 3 is not allowed yielding, it is ensured that its sealing property；

Particular embodiments described above, the technical problem solved to the utility model, technical scheme and beneficial effect are entered Go further description, should be understood that and the foregoing is only specific embodiment of the utility model, and without It is all within spirit of the present utility model and principle in the utility model is limited, any modification, equivalent substitution and improvements done Deng should be included within protection domain of the present utility model.

Claims

1. a kind of waterproof machine, it is characterised in that it includes：

End cap (1)；

Axle (2), the axle (2) can be rotated to support on end cap (1), and the part of end cap (1) is stretched out on the axle (2) to stretch out Portion (21)；

Potted component (3), the potted component (3) is fixedly set on the extension of axle (2) (21), so as to the potted component (3) axle (2) is followed to rotate together, and the potted component (3) is contacted with the end cap (1) in sealing shape.

2. waterproof machine according to claim 1, it is characterised in that：Sealing lip is provided with the potted component (3) (31), the sealing lip (31) of the potted component (3) is adjacent on end cap (1), so that the potted component (3) and the end Lid (1) is in sealing shape contact.

3. waterproof machine according to claim 2, it is characterised in that：Extend outside a sealing on the potted component (3) Ring (32), the sealing lip (31) is arranged on the end of sealing outer shroud (32), and on the end cap (1) storage tank (11) is provided with, In the embedded storage tank (11) in end of sealing outer shroud (32).

4. waterproof machine according to claim 3, it is characterised in that：Sealing outer shroud (32) is prolonged along the axial direction of axle (2) Stretch, and it is described sealing outer shroud (32) radial outer wall face and the radial outer wall face of storage tank (11) between leave it is certain between Gap, so that the region that there is the gap on end cap (1) forms gutter channel (100), is provided with and flowing water on the end cap (1) The discharge structure that groove (100) is communicated and discharges in water.

5. waterproof machine according to claim 4, it is characterised in that：The discharge structure includes being arranged on end cap (1) At least one rhone (12), the rhone (12) is connected with the gutter channel (100).

6. waterproof machine according to claim 5, it is characterised in that：Radial direction of the rhone (12) each along axle (2) Arrange.

7. waterproof machine according to claim 5, it is characterised in that：Extend an end cap outer shroud on the end cap (1) (13) one end open and another and an end cap inner ring (14), is formed between the end cap outer shroud (13) and the end cap inner ring (14) The storage tank (11) of one end closing, the rhone (12) is arranged on end cap outer shroud (13).

8. waterproof machine according to claim 3, it is characterised in that：The end cap (1) is prolonged on the outbound course of axle (2) An end cap outer shroud (13) and an end cap inner ring (14) are stretched out, is formed between the end cap outer shroud (13) and the end cap inner ring (14) One end open and the storage tank (11) of other end closing.

9. waterproof machine according to claim 8, it is characterised in that：Output negative side of the potted component (3) in axle (2) Also extend a sealing inner ring (33) upwards, between sealing inner ring (33) and sealing outer shroud (32) one end open is formed And the draw-in groove (34) of other end closing, the end cap inner ring (14) is placed in draw-in groove (34).

10. waterproof machine according to claim 1, it is characterised in that：The potted component (3) is including skeleton and is arranged on Seal outside skeleton.