CN217824521U

CN217824521U - Marine motor that waterproof performance is good

Info

Publication number: CN217824521U
Application number: CN202123213034.3U
Authority: CN
Inventors: 郑寅志
Original assignee: Ningbo Zhenhai Yuanyi Mechanical And Electrical Manufacture Co ltd
Current assignee: Ningbo Zhenhai Yuanyi Mechanical And Electrical Manufacture Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-11-15
Anticipated expiration: 2031-12-20

Abstract

The utility model relates to the technical field of marine motors, in particular to a marine motor with good waterproof performance, which comprises a motor main body and is characterized in that a waterproof assembly is arranged at the position of a motor shaft of the motor main body, the waterproof assembly comprises a shaft sleeve sleeved on the outer wall of the motor shaft, a bearing is sleeved on the outer wall of the shaft sleeve, a motor end cover is sleeved on the outer wall of the bearing, and the motor end cover is fixedly connected with the motor main body; one side of the motor end cover, which is close to the bearing, is provided with a step part, and the side wall of the motor end cover is provided with a sealing cover. The utility model provides a marine motor that waterproof performance is good wherein is provided with motor end cover, connecting portion, closing cap and shield, the special construction between connecting portion and the closing cap, the cooperation area between the connecting portion of increase and the closing cap to the leakproofness of being connected between connecting portion and the closing cap has been improved greatly, dustproof and waterproof effect has been improved.

Description

Marine motor that waterproof performance is good

Technical Field

The utility model relates to a marine motor technical field especially relates to a marine motor that waterproof performance is good.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law, and the motor is mainly used for generating driving torque, so that the motor is often used as a power source of electric appliances or various machines. In the naval vessel, the motor all needs to be used in a lot of places, for example the motor need be used to the water pump of plumbing, the fan of giving air ventilation needs to use motor etc..

Usually set up the waterproof part in the motor end cover department of motor in order to carry on waterproofly, however, the waterproof part can't effectively prevent water liquid from getting into the motor inner chamber from positions such as motor shaft, end cover, inside water liquid just so enters into the motor from the clearance of motor axle head easily to it is insulating to reduce the motor, causes the motor ground connection to burn out.

To above problem, the utility model provides a marine motor that waterproof performance is good.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to solve the problem that not enough among the above-mentioned prior art is directed against, provide a marine motor that waterproof performance is good, can solve the waterproof part that the motor end cover department of the motor among the prior art set up and can't effectively prevent water liquid from getting into motor cavity from positions such as motor shaft, end cover, inside water liquid just so enters into the motor from the clearance of motor axle head easily to reduce motor insulation, cause the problem that motor ground connection burns out.

(II) technical scheme

The utility model provides a technical scheme that above-mentioned technical problem adopted is: a ship motor with good waterproof performance comprises a motor main body, wherein a waterproof assembly is arranged at a motor shaft of the motor main body, the waterproof assembly comprises a shaft sleeve sleeved on the outer wall of the motor shaft, a bearing is sleeved on the outer wall of the shaft sleeve, a motor end cover is sleeved on the outer wall of the bearing, and the motor end cover is fixedly connected with the motor main body;

a stepped part is arranged on one side of the motor end cover close to the bearing, a sealing cover is arranged on the side wall of the motor end cover, the sealing cover is in clearance fit with the shaft sleeve, and one end of the sealing cover close to the shaft sleeve and the stepped part form a mounting groove in a surrounding mode; a connecting part is fixed on the outer wall of the shaft sleeve, the connecting part is arranged between the bearing and the sealing cover, and one end of the connecting part, which is far away from the shaft sleeve, is in clearance fit with the mounting groove;

the outside fixedly connected with shield of axle sleeve, the shield can cover the motor end cover with the closing cap.

Preferably, the connecting portion include with axle sleeve fixed connection's link, the inside strengthening rib that is provided with of link, connecting portion are kept away from the one end of axle sleeve is provided with the elastic component that has elastic deformation ability, the elastic component with mounting groove clearance fit.

Preferably, the section of the elastic part is a rectangular rubber ring, and a wide tolerance gap is arranged in the rubber ring.

Preferably, the width of elastic component is greater than the width of link, the lateral wall of elastic component the lateral wall of link with enclose between the lateral wall of axle sleeve and close and constitute the cooperation groove, the inner wall of closing cap be provided with cooperation groove assorted cooperation piece, cooperation piece with cooperation groove clearance fit.

Preferably, the elastic piece is provided with a first groove opposite to the side wall of the matching block, and the side wall of the matching block is provided with a first protruding block in clearance fit with the first groove.

Preferably, the shield is from being close to axle sleeve one end sets up towards outside slope gradually, and the incline direction orientation the motor main part, the inner wall of shield is provided with the beaded finish, the lateral wall of closing cap be provided with beaded finish clearance fit's annular.

Preferably, one end of the motor end cover, which is close to the bearing, is provided with a ring sleeve in clearance fit with the motor shaft, the inner wall of the ring sleeve is provided with a second groove, and the outer wall of the motor shaft is provided with a second bump in clearance fit with the second groove.

Preferably, the seal cover and the motor end cover are both provided with threaded holes, the threaded holes are connected with bolts in a threaded manner, and the seal cover and the motor end cover are fixed on the motor main body through the bolts.

(III) advantageous effects

1. The utility model provides a marine motor that waterproof performance is good, wherein be provided with motor end cover, connecting portion, closing cap and shield, and wherein many places set up clearance fit, the particular construction between especially connecting portion and the closing cap, the cooperation area between the connecting portion of increase and the closing cap to the leakproofness of being connected between connecting portion and the closing cap has been improved greatly, can prevent effectively that dust, water liquid from entering into the motor inside from the clearance of motor axle head, the setting of shield in addition, dustproof and waterproof effect has further been improved.

2. The utility model provides a marine motor that waterproof performance is good, wherein electricity is after installing the motor end cover, fixes connecting portion at the outer wall of axle sleeve to make the elastic component on connecting portion be located step portion on with step portion clearance fit, later cup joint the closing cap in the outside of motor end cover, make the closing cap be located the outside of connecting portion, and the cooperation piece and the cooperation groove clearance fit of closing cap; and the sealing cover and the motor end cover are fixed on the motor main body by using bolts, so that the motor is simple and convenient to install.

Drawings

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

fig. 2 is a partially enlarged schematic view of a portion a in fig. 1 according to the present invention.

Wherein: the motor comprises a motor body 1, a motor shaft 2, a waterproof component 3, a shaft sleeve 31, a matching groove 310, a bearing 32, a motor end cover 33, a step 330, a sealing cover 34, a mounting groove 341, a matching block 342, a first convex block 343, a ring groove 344, a threaded hole 345, a bolt 346, a connecting part 35, a connecting end 351, a reinforcing rib 352, an elastic part 353, a wide-tolerance gap 354, a first groove 355, a dust cover 36, a reinforcing ring strip 37, a ring sleeve 38, a second groove 380 and a second convex block 39.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Referring to fig. 1-2, a marine motor with good waterproof performance includes a motor main body 1, a waterproof assembly 3 is disposed at a position of a motor shaft 2 of the motor main body 1, the waterproof assembly 3 includes a shaft sleeve 31 sleeved on an outer wall of the motor shaft 2, a bearing 32 is sleeved on an outer wall of the shaft sleeve 31, a bearing 32 oil seal is installed on a side wall of the bearing 32, a motor end cover 33 is sleeved on an outer wall of the bearing 32, and the motor end cover 33 is fixedly connected with the motor main body 1;

referring to fig. 2, a stepped portion 330 is disposed on one side of the motor end cover 33 close to the bearing 32, a sealing cover 34 is disposed on a side wall of the motor end cover 33, the sealing cover 34 is in clearance fit with the shaft sleeve 31, and an end of the sealing cover 34 close to the shaft sleeve 31 and the stepped portion 330 enclose to form an installation groove 341; a connecting part 35 is fixed on the outer wall of the shaft sleeve 31, the connecting part 35 is arranged between the bearing 32 and the cover 34, and one end of the connecting part 35, which is far away from the shaft sleeve 31, is in clearance fit with the mounting groove 341;

the outer portion of the shaft sleeve 31 is fixedly connected with a dust cover 36, the dust cover 36 can cover the motor end cover 33 and the sealing cover 34, and the dust cover 36 is in clearance fit with the sealing cover 34.

The motor end cover 33 is provided with a ring sleeve 38 in clearance fit with the motor shaft 2 at one end close to the bearing 32, a second groove 380 is arranged on the inner wall of the ring sleeve 38, a second bump 39 in clearance fit with the second groove 380 is arranged on the outer wall of the motor shaft 2, and the outer wall of the motor shaft 2 is embedded into the second groove 380 through the second bump 39 arranged annularly to establish connection between the outer end of the motor shaft 2 and the ring sleeve 38.

During specific installation, the bearing 32 is firstly installed on the outer wall of the shaft sleeve 31, then the motor end cover 33 is installed on the outer wall of the motor body 1 sleeved on the bearing 32, and the ring sleeve 38 on the motor end cover 33 is rotatably connected with the motor shaft 2 through the matching of the second groove 380 and the second bump 39, so that the structure is beneficial to enhancing the connection between the motor shaft 2 and the motor end cover 33.

The connecting part 35 comprises a connecting end 351 fixedly connected with the shaft sleeve 31, a reinforcing rib 352 is arranged inside the connecting end 351, an elastic member 353 with elastic deformation capacity is arranged at one end of the connecting part 35 far away from the shaft sleeve 31, and the elastic member 353 is in clearance fit with the mounting groove 341; wherein, the elastic piece 353 is in clearance fit with the mounting groove 341, and the clearance range of the clearance fit is 0.5-2mm; wherein, this structure can prevent friction from occurring between the elastic member 353 and the mounting groove 341.

The section of the elastic part 353 is a rectangular rubber ring, and a wide-tolerance gap 354 is formed in the rubber ring; wherein, the setting in wide tolerance clearance makes the rubber ring have the space of deformation, and then convenient installation and the dismantlement to the rubber ring.

The width of the elastic member 353 is greater than that of the connecting end 351, a matching groove 310 is defined by the side wall of the elastic member 353, the side wall of the connecting end 351 and the side wall of the shaft sleeve 31, a matching block 342 matched with the matching groove 310 is arranged on the inner wall of the sealing cover 34, and the matching block 342 is in clearance fit with the matching groove 310; wherein, the clearance range of the clearance fit between the fitting block 342 and the fitting groove 310 is 0.5-2mm; wherein the structure can prevent the engagement block 342 from rubbing against the engagement groove 310.

The side wall of the elastic member 353 facing the mating block 342 is provided with a first groove 355, and the side wall of the mating block 342 is provided with a first protrusion 343 in clearance fit with the first groove 355; wherein, this structure is advantageous for strengthening the connection between the connection part 35 and the cover 34 and for preventing water and dust from entering.

The cover 34 and the motor end cover 33 are both provided with threaded holes 345, bolts 346 are screwed into the threaded holes 345, and the cover 34 and the motor end cover 33 are fixed on the motor main body 1 through the bolts 346.

During specific operation, after the motor end cover 33 is installed, the connecting portion 35 is fixed on the outer wall of the shaft sleeve 31, the elastic member 353 on the connecting portion 35 is positioned on the step portion 330 and is in clearance fit with the step portion 330, then the sealing cover 34 is sleeved on the outer side of the motor end cover 33, the sealing cover 34 is positioned on the outer side of the connecting portion 35, and the matching block 342 of the sealing cover 34 is in clearance fit with the matching groove 310; the cover 34 and the motor end cover 33 are then fixed to the motor body 1 by means of bolts 346.

The dust cover 36 is disposed from being close to one end of the shaft sleeve 31 and gradually inclining towards the outside, and the inclining direction faces the motor main body 1, the inner wall of the dust cover 36 is provided with a reinforcing ring strip 37, the side wall of the sealing cover 34 is provided with a ring groove 344 which is in clearance fit with the reinforcing ring strip 37, the reinforcing ring strip 37 is embedded into the ring groove 344, and the dust cover 36 is also fixed on the outer wall of the shaft sleeve 31 through a bolt 346.

In this embodiment, the special structure of the dust cover 36 can effectively prevent the dust-laden water from entering the motor from the motor shaft 2, and a better dustproof and waterproof effect is achieved.

The utility model discloses in be provided with motor end cover 33, connecting portion 35, closing cap 34 and shield 36, and wherein many places set up clearance fit, especially the special construction between connecting portion 35 and the closing cap 34, the cooperation area between connecting portion 35 and the closing cap 34 of increase, thereby the leakproofness of being connected between connecting portion 35 and the closing cap 34 has been improved greatly, can prevent effectively that the dust, inside water liquid enters into the motor from the clearance of motor shaft 2 ends, the setting of shield 36 in addition, dustproof and waterproof effect has further been improved.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A ship motor with good waterproof performance comprises a motor main body (1) and is characterized in that a waterproof assembly (3) is arranged at a motor shaft (2) of the motor main body (1), the waterproof assembly (3) comprises a shaft sleeve (31) sleeved on the outer wall of the motor shaft (2), a bearing (32) is sleeved on the outer wall of the shaft sleeve (31), a motor end cover (33) is sleeved on the outer wall of the bearing (32), and the motor end cover (33) is fixedly connected with the motor main body (1);

a step part (330) is arranged on one side, close to the bearing (32), of the motor end cover (33), a sealing cover (34) is arranged on the side wall of the motor end cover (33), the sealing cover (34) is in clearance fit with the shaft sleeve (31), and one end, close to the shaft sleeve (31), of the sealing cover (34) and the step part (330) enclose to form a mounting groove (341); a connecting part (35) is fixed on the outer wall of the shaft sleeve (31), the connecting part (35) is arranged between the bearing (32) and the sealing cover (34), and one end, far away from the shaft sleeve (31), of the connecting part (35) is in clearance fit with the mounting groove (341);

the outer portion of the shaft sleeve (31) is fixedly connected with a dustproof cover (36), and the dustproof cover (36) can cover the motor end cover (33) and the sealing cover (34).

2. The marine motor with good waterproof performance according to claim 1, characterized in that: the connecting part (35) comprises a connecting end (351) fixedly connected with the shaft sleeve (31), a reinforcing rib (352) is arranged inside the connecting end (351), an elastic part (353) with elastic deformation capacity is arranged at one end, far away from the shaft sleeve (31), of the connecting part (35), and the elastic part (353) is in clearance fit with the mounting groove (341).

3. The marine motor with good waterproof performance according to claim 2, characterized in that: the section of the elastic part (353) is a rectangular rubber ring, and a wide-capacity gap (354) is formed in the rubber ring.

4. The marine motor with good waterproof performance of claim 3, characterized in that: the width of elastic component (353) is greater than the width of link (351), enclose between the lateral wall of elastic component (353), the lateral wall of link (351) and the lateral wall of axle sleeve (31) and close and constitute cooperation groove (310), the inner wall of closing cap (34) be provided with cooperation piece (342) that cooperation groove (310) assorted, cooperation piece (342) with cooperation groove (310) clearance fit.

5. The marine motor with good waterproof performance according to claim 4, characterized in that: the side wall of the elastic piece (353) opposite to the matching block (342) is provided with a first groove (355), and the side wall of the matching block (342) is provided with a first convex block (343) in clearance fit with the first groove (355).

6. The marine motor with good waterproof performance of claim 1, characterized in that: shield (36) are from being close to axle sleeve (31) one end sets up towards outside slope gradually, and the incline direction orientation motor main part (1), the inner wall of shield (36) is provided with reinforcing ring strip (37), the lateral wall of closing cap (34) be provided with reinforcing ring strip (37) clearance fit's annular (344).

7. The marine motor with good waterproof performance according to claim 1, characterized in that: one end, close to the bearing (32), of the motor end cover (33) is provided with a ring sleeve (38) in clearance fit with the motor shaft (2), the inner wall of the ring sleeve (38) is provided with a second groove (380), and the outer wall of the motor shaft (2) is provided with a second bump (39) in clearance fit with the second groove (380).

8. The marine motor with good waterproof performance according to claim 1, characterized in that: both the sealing cover (34) and the motor end cover (33) are provided with threaded holes (345), the threaded holes (345) are connected with bolts (346) in an internal thread mode, and the sealing cover (34) and the motor end cover (33) are fixed on the motor main body (1) through the bolts (346).