CN218976463U

CN218976463U - Energy-saving waterproof motor and plug assembly thereof

Info

Publication number: CN218976463U
Application number: CN202222930574.1U
Authority: CN
Inventors: 马建坤; 刘海平; 冯厚攀
Original assignee: Hangzhou Weiguang Electronic Co Ltd
Current assignee: Hangzhou Weiguang Electronic Co Ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-05-05
Anticipated expiration: 2032-11-01

Abstract

The utility model discloses an energy-saving waterproof motor and a plug assembly thereof, which comprise a front end cover and a rear end cover, wherein a plurality of first annular bosses sleeved in sequence are arranged on the outer side end surface of the front end cover, an annular groove is formed between two adjacent first annular bosses, a first shaft hole is formed in the middle of the outer side of the front end cover, the end part of a shaft penetrates through the shaft hole of the front end cover, a fan blade cover plate is assembled on the end surface of the front end cover, a plurality of second annular bosses matched with the annular groove are arranged on the inner side of the fan blade cover plate, the front end cover and the fan blade cover plate are installed in a staggered fit manner by adopting a labyrinth structure, and a labyrinth type socket hole and a socket assembly matched with the socket hole are arranged.

Description

Energy-saving waterproof motor and plug assembly thereof

Technical Field

The utility model relates to the field of motors, in particular to an energy-saving waterproof motor and a plug assembly thereof.

Background

The motor refers to an electromagnetic device for converting or transmitting electric energy according to the law of electromagnetic induction. The main function is to generate driving torque as a power source for electric appliances or various machines. The motor needs to be subjected to waterproof treatment according to the use environment requirement; the waterproof motor of prior art comprises front end housing, waterproof circle and casing, and the motor front end housing once soaks the back, and water is accumulated around waterproof circle easily, because waterproof circle has elasticity, and waterproof circle's material reason leads to the motor to soak the back for a long time, waterproof circle produces corrosion or elasticity change easily, influences sealed effect's problem.

Disclosure of Invention

The utility model provides an energy-saving waterproof motor with a labyrinth type hydrophobic structure for preventing a motor sealing part from being immersed in water, which aims to solve the problem that a waterproof ring of a waterproof structure of the motor in the prior art is immersed in water for a long time to easily influence a sealing effect.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an energy-conserving waterproof motor, includes front end housing, rear end cap, its characterized in that, be equipped with a plurality of first annular boss that overlap in proper order on the front end housing outside terminal surface, form annular groove between two adjacent first annular boss, front end housing outside middle part is equipped with first shaft hole, and the tip of axle passes front end housing shaft hole setting, be equipped with the fan blade apron on the front end housing terminal surface, the fan blade apron inboard be equipped with a plurality of with annular groove assorted second annular boss, fan blade apron middle part still is equipped with the second shaft hole, the axle head portion is equipped with the screw hole, second shaft hole one end cup joints with the axle, and fan blade head screw passes second shaft hole and axle head threaded connection from the second shaft hole other end. During installation, the annular boss on the fan blade cover plate is matched with the annular groove on the front end cover in a staggered mode to form a labyrinth structure, and water can be effectively prevented from entering.

Preferably, the side surface of the front end cover is provided with a buckling groove, the side surface of the rear end cover is provided with a buckle matched with the buckling groove in a forward extending mode, the front end cover and the rear end cover are buckled and installed in a one-to-one correspondence mode through the buckle and the buckling groove, and a motor cavity is formed between the front end cover and the rear end cover. A sealing ring is arranged at the joint of the front end cover and the rear end cover;

as another preferable mode, the joint of the front end cover and the rear end cover is filled with sealing materials.

Preferably, the rear end cover comprises a front bearing chamber and a rear bearing chamber which are adjacently arranged, the front bearing chamber is close to the front end cover, the rear bearing chamber is far away from the front end cover, a front ball bearing is arranged in the front bearing chamber, a rear ball bearing is arranged in the rear bearing chamber, the shaft sequentially penetrates through the front ball bearing, the rear end cover and the rear ball bearing, and the front ball bearing and the rear ball bearing are respectively connected with the shaft in a rotating mode.

Preferably, a retainer ring clamping groove is formed in the rear end of the contact part of the shaft and the rear ball bearing, and a shaft retainer ring is arranged in the retainer ring clamping groove. The retainer ring for the shaft is matched with the retainer ring clamping groove and props against the side surface of the contact part between the rear ball bearing and the shaft.

Preferably, the middle part of the outer side end surface of the rear end cover is also provided with a containing groove, a rubber sealing cover is arranged in the containing groove, the main body of the rubber sealing cover is in a column shape, and a plurality of boss structures which are arranged around the periphery of the side surface are axially arranged on the side surface of the main body. Improving the waterproof effect.

Preferably, the first annular bosses are provided with a plurality of notches, and the notches on two adjacent first annular bosses are staggered. The groove hydrophobic structure can ensure that water entering the annular structure flows out, and the sealing structure is prevented from being influenced by water retention.

Preferably, the outer side end surface of the rear end cover is provided with a socket hole, and the socket hole comprises a first plug pin seat and a water blocking groove which is arranged around the outer side of the first plug pin seat.

The plug assembly of the energy-saving waterproof motor comprises a contact pin and a second contact pin seat, wherein a sealing ring arranged around the second contact pin seat is arranged on the radial outer side of the second contact pin seat, and the shape of the sealing ring is matched with that of the water blocking groove. The waterproof plug adopts a labyrinth waterproof structure, so that water can be effectively prevented from entering.

In summary, the utility model has the following beneficial effects: (1) The front end cover and the fan blade cover plate are installed in a staggered and matched mode through a labyrinth structure, water can be effectively prevented from entering, and good waterproof effect is achieved. (2) The labyrinth type socket hole and the socket component matched with the socket hole are arranged, so that a further waterproof effect is achieved. (3) Be equipped with a plurality of notches on the first cyclic annular boss, notch staggered arrangement on two adjacent first cyclic annular bosses, groove structure can guarantee to get into the moisture outflow in the cyclic annular structure, prevents that moisture from remaining to influence seal structure.

Drawings

Fig. 1 is a schematic sectional view of an energy-saving waterproof motor and a plug assembly thereof according to an embodiment of the utility model.

Fig. 2 is a schematic view of the inner side structure of a front end cover of an energy-saving waterproof motor according to an embodiment of the present utility model.

Fig. 3 is a schematic side structure of a front end cover of an energy-saving waterproof motor according to an embodiment of the present utility model.

Fig. 4 is a schematic structural diagram of a front end cover of an energy-saving waterproof motor according to an embodiment of the present utility model.

Fig. 5 is a schematic view of an outer end face structure of a rear end cover of an energy-saving waterproof motor according to an embodiment of the present utility model.

Fig. 6 is a schematic structural diagram of a rear end cover of an energy-saving waterproof motor according to an embodiment of the present utility model.

Fig. 7 is a schematic cross-sectional structure of a plug assembly of an energy-saving waterproof motor according to an embodiment of the present utility model.

Fig. 8 is a schematic structural diagram of a plug assembly of an energy-saving waterproof motor according to an embodiment of the present utility model.

In the figure: 1. the front end cover 11, the first annular boss 111, the notch 12, the annular groove 13, the front end cover shaft hole 14, the fan blade cover plate 15, the second annular boss 16, the second shaft hole 17, the shaft 18, the fan blade head screw 19, the buckle 2, the rear end cover 21, the buckle groove 22, the front ball bearing 23, the rear ball bearing 24, the shaft retainer ring 25, the rubber sealing cover 3, the socket hole 31, the plug assembly 32, the water blocking groove 33, the first plug pin seat 34, the second plug pin seat 35, the sealing ring 4, the rotor housing 41, the magnetic ring 42, the spring 43, the gasket 44 and the winding coil.

Detailed Description

The utility model is further described below with reference to the drawings and detailed description.

Examples:

the energy-saving waterproof motor is shown in a cross section of a plug assembly 31 of the energy-saving waterproof motor in fig. 1, and comprises a front end cover 1 and a rear end cover 2, wherein a buckle groove 21 is formed in the side face of the front end cover 1 as shown in fig. 2-6, a buckle 19 matched with the buckle groove 21 is arranged on the side face of the rear end cover 2 in a forward extending mode, the front end cover 1 and the rear end cover 2 are buckled and installed in a one-to-one correspondence mode through the buckle 19 and the buckle groove 21, and a motor cavity is formed between the front end cover 1 and the rear end cover 2. The outside extension of buckle groove 21 is equipped with the installation ear, be equipped with circular through-hole on the installation ear, circular through-hole is used for installing the double-end screw. The joint of the front end cover 1 and the rear end cover 2 is provided with a sealing ring 35 or is filled with sealing materials.

The front end cover 1 is provided with a plurality of first annular bosses 11 which are sleeved in sequence on the outer side end surface, an annular groove 12 is formed between two adjacent first annular bosses 11, a plurality of notches 111 are formed in the first annular bosses 11, and the notches 111 on the two adjacent first annular bosses 11 are arranged in a staggered mode. The groove hydrophobic structure can ensure that water entering the annular structure flows out, and the sealing structure is prevented from being influenced by water retention. The middle part of the outer side of the front end cover 1 is provided with a first shaft hole, the end part of a shaft 17 passes through the shaft hole 13 of the front end cover, the end face of the front end cover 1 is provided with a fan blade cover plate 14, the inner side of the fan blade cover plate 14 is provided with a plurality of second annular bosses 15 matched with the annular grooves 12, the middle part of the fan blade cover plate 14 is also provided with a second shaft hole 16, the end part of the shaft 17 is provided with a threaded hole, one end of the second shaft hole 16 is sleeved with the shaft 17, and a fan blade head screw 18 passes through the second shaft hole 16 from the other end of the second shaft hole 16 and is in threaded connection with the end part of the shaft 17.

The rear end cover 2 comprises a front bearing chamber and a rear bearing chamber which are adjacently arranged, the front bearing chamber is close to the front end cover 1, the rear bearing chamber is far away from the front end cover 1, a front ball bearing 22 is arranged in the front bearing chamber, a rear ball bearing 23 is arranged in the rear bearing chamber, the shaft 17 sequentially penetrates through the front ball bearing 22, the rear end cover 2 and the rear ball bearing 23, and the front ball bearing 22 and the rear ball bearing 23 are respectively connected with the shaft 17 in a rotating mode. A rotor shell 4, a magnetic ring 41, a spring 42 and a gasket 43 are arranged in a cavity between the front end cover 1 and the front ball bearing 22, and a stator is arranged on a cylindrical boss in the center of the inner side of the rear end cover 2; the stator comprises a stator core, a winding coil 44, an upper stator framework, a lower stator framework and contact pins, the contact pins are inserted into jack holes of the upper stator framework, the electric control board is arranged at the rear end of the upper stator framework and connected with the upper stator framework through the contact pins, the stator core adopts a six-groove structure, the winding coil 44 is wound on each tooth of the stator core, the magnetic ring 41 is sleeved on the radial outer side of the stator core, the magnetic ring 41 is sleeved on the radial inner side of the rotor shell 4, and the shaft 17 sequentially penetrates through the rotor shell 4, the spring 42, the gasket 43, the front ball bearing 22 and the rear ball bearing 23 and then is fixed with the rear end cover 2 through threads.

The rear end of the contact portion between the shaft 17 and the rear ball bearing 23 is provided with a retainer groove in which a shaft retainer 24 is provided. The shaft retainer 24 is engaged with the retainer groove and abuts against the side surface of the contact portion between the rear ball bearing 23 and the shaft. The middle part of the outer side end face of the rear end cover 2 is also provided with a containing groove, a rubber sealing cover 25 is arranged in the containing groove, the main body of the rubber sealing cover 25 is in a column shape, and a plurality of boss structures which are arranged around the side face in a circle are axially arranged on the side face of the main body. Improving the waterproof effect. The outer end face of the rear end cover 2 is provided with a socket hole 3, and the socket hole 3 comprises a first plug pin seat 33 and a water blocking groove 32 which is arranged around the outer side of the first plug pin seat 33.

The embodiment also discloses an energy-saving waterproof motor plug assembly 31, as shown in fig. 7 and 8, the plug assembly 31 includes a pin and a second pin seat 34, a sealing ring 35 disposed around the second pin seat 34 is disposed radially outside the second pin seat 34, and the shape of the sealing ring 35 is matched with the shape of the water blocking groove 32. The waterproof plug adopts a labyrinth waterproof structure, so that water can be effectively prevented from entering.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Although the terms annular boss, annular groove, front end cap, rear end cap, ball bearing, etc. are used more herein, the possibility of using other terms is not precluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

Claims

1. The utility model provides an energy-conserving waterproof motor, includes front end housing, rear end cap, its characterized in that, be equipped with a plurality of first annular boss that overlap in proper order on the front end housing outside terminal surface, form annular groove between two adjacent first annular boss, front end housing outside middle part is equipped with first shaft hole, and the tip of axle passes front end housing shaft hole setting, be equipped with the fan blade apron on the front end housing terminal surface, the fan blade apron inboard be equipped with a plurality of with annular groove assorted second annular boss, fan blade apron middle part still is equipped with the second shaft hole, the axle head portion is equipped with the screw hole, second shaft hole one end cup joints with the axle, and fan blade head screw passes second shaft hole and axle head threaded connection from the second shaft hole other end.

2. The energy-saving waterproof motor according to claim 1, wherein the side face of the front end cover is provided with a buckling groove, the side face of the rear end cover is provided with a buckle matched with the buckling groove in a forward extending mode, the front end cover and the rear end cover are buckled and installed in a one-to-one correspondence mode through the buckling groove, and a motor cavity is formed between the front end cover and the rear end cover.

3. An energy efficient waterproof motor as claimed in claim 1 or 2, wherein the rear end cap comprises a front bearing chamber and a rear bearing chamber arranged adjacently, the front bearing chamber is arranged close to the front end cap, the rear bearing chamber is arranged far away from the front end cap, a front ball bearing is arranged in the front bearing chamber, a rear ball bearing is arranged in the rear bearing chamber, the shaft sequentially passes through the front ball bearing, the rear end cap and the rear ball bearing, and the front ball bearing and the rear ball bearing are respectively connected with the shaft in a rotating manner.

4. An energy-saving waterproof motor according to claim 3, wherein a retainer ring clamping groove is formed in the rear end of the contact part of the shaft and the rear ball bearing, and a shaft retainer ring is arranged in the retainer ring clamping groove.

5. The energy-saving waterproof motor according to claim 4, wherein the middle part of the outer side end surface of the rear end cover is further provided with a containing groove, a rubber sealing cover is arranged in the containing groove, the main body of the rubber sealing cover is a column, and a plurality of boss structures which are circumferentially arranged around the side surface are axially arranged on the side surface of the main body.

6. The energy-saving waterproof motor according to claim 1 or 5, wherein the first annular bosses are provided with a plurality of notches, and the notches on two adjacent first annular bosses are staggered.

7. The energy-saving waterproof motor of claim 6, wherein the outer end face of the rear end cover is provided with a socket hole, and the socket hole comprises a first plug pin seat and a water blocking groove which is arranged around the outer side of the first plug pin seat.

8. The plug assembly of the energy-saving waterproof motor is suitable for the motor of claim 7, and is characterized by comprising a contact pin and a second contact pin seat, wherein a sealing ring which is arranged around the second contact pin seat is arranged on the radial outer side of the second contact pin seat, and the shape of the sealing ring is matched with that of the water blocking groove.