CN217741451U

CN217741451U - Waterproof motor

Info

Publication number: CN217741451U
Application number: CN202221688655.9U
Authority: CN
Inventors: 林炎虎; 胡辉; 李智峰
Original assignee: Zhongshan Broad Ocean Motor Co Ltd
Current assignee: Zhongshan Broad Ocean Motor Co Ltd
Priority date: 2022-07-02
Filing date: 2022-07-02
Publication date: 2022-11-04
Anticipated expiration: 2032-07-02

Abstract

The utility model discloses a waterproof motor, including front end housing, rear end housing, stator module, rotor subassembly, pivot and controller circuit board, be equipped with the sealing washer between first cylindric portion and the second cylindric portion, the corner position of first step tang is provided with annular first recess, the sealing washer is installed in first recess, the tip edge of first cylindric portion bulges first semicircle, the tip edge of second cylindric portion bulges second semicircle, first semicircle arch and second semicircle arch are corresponding, the amalgamation forms the wire hole between first semicircle arch and the second semicircle arch, the protect line cover is installed in the wire hole; when first cylindric portion and second cylindric portion locking connection, the sealing ring and the grommet with the sealing washer are fixed to be compressed tightly between first cylindric portion and second cylindric portion, and this structural installation is simple, seals through sealing ring and grommet structure, need not to beat and glues, reduces the cost of manufacture of motor, has improved preparation efficiency and product stability.

Description

Waterproof motor

The technical field is as follows:

the utility model relates to a waterproof motor.

Background art:

along with the environment that the motor used is more and more abominable, motor IP grade is also more and more high thereupon, and the structural design scheme of conventional motor often can not satisfy the requirement, because service environment's badness nature, the motor often appears after using a period the inside dust of motor pile up too much, intake easily to lead to the inside subassembly of motor to rust, the bearing card does not change scheduling problem, serious still can lead to the motor to burn, shortens the life of motor.

Traditional motor seals through beating to glue, current motor includes the front end housing, the rear end housing, stator module, the rotor subassembly, pivot and controller circuit board, the cavity is held in front end housing and the installation of rear end housing formation together, stator module cover is in the rotor subassembly outside and place in and hold the intracavity, control circuit board installs the one side at stator module, the pivot links together with the rotor subassembly, combination department between front end housing and the rear end housing is sealed through beating to glue, because beat to glue and carry out sealing quality unstability, it is troublesome to beat to glue the process, and can appear the waterproof performance of motor when leading to production easily poor, influence the motor and normally work, shorten motor life.

The invention content is as follows:

the utility model aims at providing a waterproof motor can solve among the prior art combination department between end cover and the rear end cap and seal through beating to glue, owing to beat to glue and carry out the sealing quality unstability, beat and glue the process trouble to can appear the waterproof performance of motor when leading to production poor easily, influence the motor and normally work, shorten motor life's technical problem.

The purpose of the utility model is realized by the following technical scheme.

The utility model aims at providing a waterproof motor, including the front end housing, the rear end cap, stator module, the rotor subassembly, pivot and controller circuit board, the front end housing is installed with the rear end cap and is formed together and hold the chamber, stator module cover is in the rotor subassembly outside and place in and hold the chamber the inside, the one side at stator module is installed to the controller circuit board, the pivot links together with the rotor subassembly, the front end housing includes the front end plate and extends first cylindric part from the front end plate edge axial, the rear end cap includes the rear end plate and extends second cylindric part from the rear end plate edge axial, the tip of first cylindric part is provided with first step tang, the tip of second cylindric part is provided with second step tang, second step tang and the nested location installation of first step tang, link together through connecting piece locking between first cylindric part and the second cylindric part, its characterized in that:

a sealing ring is arranged between the first cylindrical part and the second cylindrical part, the sealing ring comprises a sealing ring and a wire protecting sleeve arranged on one side of the sealing ring, a through hole is arranged in the middle of the wire protecting sleeve, an annular first groove is arranged at the corner position of the first step seam allowance, the sealing ring is arranged in the first groove, a hollow first semicircular bulge is protruded outwards from the end edge of the first cylindrical part, a hollow second semicircular bulge is protruded outwards from the end edge of the second cylindrical part, the first semicircular bulge corresponds to the second semicircular bulge, a wire outlet hole is formed by splicing the first semicircular bulge and the second semicircular bulge, and the wire protecting sleeve is arranged in the wire outlet hole;

when the first cylindrical part and the second cylindrical part are connected in a locking mode, the sealing ring and the wire protecting sleeve of the sealing ring are fixedly pressed between the first cylindrical part and the second cylindrical part.

The hole wall of the wire outlet hole is dug to be provided with a plurality of annular grooves distributed at intervals, the outer side wall of the wire protecting sleeve is provided with a plurality of annular bosses, the wire protecting sleeve is installed in the wire outlet hole, and the annular bosses are clamped in the annular grooves to form a labyrinth waterproof structure.

The sealing ring and the wire protecting sleeve are integrally manufactured and formed.

The stator assembly and the rotor assembly are both arranged in the front end cover, the stator assembly comprises a stator core, an end insulation, a coil winding and an insulation end plate, the end insulation is arranged on the end face of the stator core, the coil winding is wound on the end insulation, the insulation end plate is arranged on the top of the end insulation, and the controller circuit board is arranged on the insulation end plate.

A heat dissipation boss protrudes from the inner end face of the rear end plate of the rear end cover, a heat conduction gasket is arranged on the controller circuit board, the heat dissipation boss is abutted to the heat conduction gasket, and part of electronic components on the controller circuit board extend into a space defined by the second cylindrical portion of the rear end cover.

The terminal surface of the insulating end plate is provided with a plurality of mounting convex columns, a first mounting hole is formed in the middle of each convex column, a second mounting hole corresponding to the first mounting hole is formed in the controller circuit board, the controller circuit board is supported on the convex columns, and the controller circuit board is fixed on the insulating end plate by screwing the second mounting hole and the first mounting hole into screws.

The insulating end plate on be equipped with a plurality of installation bosss, be equipped with the mounting groove on the installation boss, install the metal inserted sheet in the mounting groove, the mounting groove is stretched out respectively at the both ends of metal inserted sheet, wherein the one end and the controller circuit board electricity of metal inserted sheet are connected, the other end and the enameled wire electricity of coil winding of metal inserted sheet are connected.

The stator core comprises an annular yoke portion and a plurality of tooth portions extending out of the annular yoke portion, a slot is formed between every two adjacent tooth portions, a plurality of wedge-shaped protrusions axially protrude on the other end face of the insulating end plate, the insulating end plate is installed on the top of the end portion insulator, and the wedge-shaped protrusions of the insulating end plate are inserted into notches of the slot of the stator core.

The aforesaid the middle axle that is equipped with of front end plate stretch the hole, the one end of pivot stretches out from the axle of front end plate and forms the axle and stretch the end, the outer terminal surface of front end plate, the edge that the hole was stretched to the axle are equipped with outer boss and interior boss outward, are equipped with the second recess between outer boss and the interior boss, the interior boss stretches to fill grease between the end with the axle of pivot, outer boss still is equipped with the buckler outward, the buckler is installed in the pivot, the buckler will stretch hole, outer boss and interior boss and cover.

The connecting piece be the screw, the tip edge of first cylindric portion is equipped with a plurality of first mounting flanges, the tip edge of second cylindric portion is equipped with a plurality of second mounting flanges, a plurality of first mounting flanges correspond with a plurality of second mounting flanges, be equipped with first screw hole and second screw hole on first mounting flange and the second mounting flange respectively, through first screw hole of screw precession and second screw hole, with front end housing and rear end cap lock joint together.

Compared with the prior art, the utility model, following effect has:

1) The utility model provides a waterproof motor, including the front end housing, the rear end cap, stator module, the rotor subassembly, pivot and controller circuit board, the front end housing is installed with the rear end cap and is formed together and hold the chamber, stator module cover is in the rotor subassembly outside and place and hold the chamber the inside, the one side at stator module is installed to the controller circuit board, the pivot links together with the rotor subassembly, the front end housing includes the front end plate and extends first cylindric portion from the front end plate marginal axial, the rear end cap includes the rear end plate and extends second cylindric portion from the rear end plate marginal axial, the tip of first cylindric portion is provided with first step tang, the tip of second cylindric portion is provided with the second step tang, the nested location installation of second step tang and first step tang, link together through connecting piece locking between first cylindric portion and the second cylindric portion, a serial communication port: a sealing ring is arranged between the first cylindrical part and the second cylindrical part, the sealing ring comprises a sealing ring and a wire protecting sleeve arranged on one side of the sealing ring, a through hole is arranged in the middle of the wire protecting sleeve, an annular first groove is arranged at the corner position of the first step seam allowance, the sealing ring is arranged in the first groove, a hollow first semicircular bulge is protruded outwards from the end edge of the first cylindrical part, a hollow second semicircular bulge is protruded outwards from the end edge of the second cylindrical part, the first semicircular bulge corresponds to the second semicircular bulge, a wire outlet hole is formed by splicing the first semicircular bulge and the second semicircular bulge, and the wire protecting sleeve is arranged in the wire outlet hole; when first cylindric portion and second cylindric portion locking connection, the sealing ring and the grommet with the sealing washer are fixed to be compressed tightly between first cylindric portion and second cylindric portion, and this structural installation is simple, seals through sealing ring and grommet structure, need not to beat and glues, reduces the cost of manufacture of motor, has improved preparation efficiency and product stability.

2) Other advantages of the present invention will be described in detail in the examples section.

Description of the drawings:

fig. 1 is a perspective view provided by the present invention;

fig. 2 is a partial exploded view provided by the present invention;

fig. 3 is an exploded view provided by the present invention;

fig. 4 is a front view provided by the present invention;

FIG. 5 isbase:Sub>A cross-sectional view A-A of FIG. 4;

FIG. 6 is a partial enlarged view of B in FIG. 5;

FIG. 7 is an enlarged view of a portion C of FIG. 5;

FIG. 8 is an enlarged view of a portion D of FIG. 5;

fig. 9 is a schematic structural view of a stator assembly provided by the present invention;

fig. 10 is a partial exploded view of a stator assembly provided by the present invention;

fig. 11 is an elevation view of a stator assembly provided by the present invention;

fig. 12 is a schematic structural view of the front end cap and the rear end cap provided by the present invention;

fig. 13 is a perspective view of the front end cap provided by the present invention;

fig. 14 is another perspective view of the front end cap provided by the present invention;

fig. 15 is a perspective view of the rear end cap provided by the present invention;

fig. 16 is a perspective view of an insulating end plate provided by the present invention;

fig. 17 is a perspective view of the sealing ring according to the present invention.

The specific implementation mode is as follows:

the present invention will be described in further detail with reference to the following detailed description of preferred embodiments and accompanying drawings.

As shown in fig. 1 to 17, the embodiment provides a waterproof motor, which includes a front end cover 1, a rear end cover 2, a stator assembly 3, a rotor assembly 4, a rotating shaft 5 and a controller circuit board 6, wherein the front end cover 1 and the rear end cover 2 are installed together to form an accommodating cavity 100, the stator assembly 3 is sleeved outside the rotor assembly 4 and is placed in the accommodating cavity 100, the controller circuit board 6 is installed at one side of the stator assembly 3, the rotating shaft 5 is connected with the rotor assembly 4, the front end cover 1 includes a front end plate 11 and a first cylindrical portion 12 axially extending from an edge of the front end plate 11, a first bearing seat 111 protrudes from the middle of an inner end surface of the front end plate 11, a first bearing chamber 112 is arranged in the first bearing seat 111, a first bearing 113 is installed in the first bearing chamber 112, the rear end cover 2 comprises a rear end plate 21 and a second cylindrical part 22 axially extending from the edge of the rear end plate 21, a second bearing seat 211 protrudes from the middle of the inner end surface of the rear end plate 21, a second bearing chamber 212 is arranged in the second bearing seat 211, a second bearing 213 is arranged in the second bearing chamber 212, the rotating shaft 5 is supported between the first bearing chamber 112 and the second bearing 213, a first step spigot 121 is arranged at the end of the first cylindrical part 12, a second step spigot 220 is arranged at the end of the second cylindrical part 22, the second step spigot 220 and the first step spigot 121 are nested, positioned and installed, and the first cylindrical part 12 is connected with the second cylindrical part 22 through a connecting piece in a locking manner, and the rear end cover is characterized in that: a sealing ring 10 is arranged between the first cylindrical part 12 and the second cylindrical part 22, the sealing ring 10 comprises a sealing ring 7 and a wire protecting sleeve 9 arranged on one side of the sealing ring 7, a through hole 91 is arranged in the middle of the wire protecting sleeve 9, an annular first groove 122 is arranged at the corner position of the first step seam allowance 121, the sealing ring 7 is arranged in the first groove 122, a hollow first semicircular bulge 123 protrudes outwards from the end edge of the first cylindrical part 12, a hollow second semicircular bulge 221 protrudes outwards from the end edge of the second cylindrical part 22, the first semicircular bulge 123 corresponds to the second semicircular bulge 221, a wire outlet hole 200 is formed by splicing the first semicircular bulge 123 and the second semicircular bulge 221, and the wire protecting sleeve 9 is arranged in the wire outlet hole 200; when the first cylindrical part 12 is in locking connection with the second cylindrical part 22, the sealing ring 7 and the wire protecting sleeve 9 of the sealing ring 10 are fixedly pressed between the first cylindrical part 12 and the second cylindrical part 22, the structure is simple to mount, the sealing ring and the wire protecting sleeve structure are used for sealing, glue is not required to be applied, the manufacturing cost of the motor is reduced, and the manufacturing efficiency and the product stability are improved.

The hole wall of the wire outlet hole 200 is dug to be provided with a plurality of annular grooves 201 which are distributed at intervals, the outer side wall of the wire protecting sleeve 9 is provided with a plurality of annular bosses 92, the wire protecting sleeve 9 is installed in the wire outlet hole 200, and the annular bosses 92 are clamped in the annular grooves 201 to form a labyrinth waterproof structure.

The sealing ring 7 and the wire sheath 9 are integrally manufactured and formed, and the manufacturing is simple.

Both the stator assembly 3 and the rotor assembly 4 are arranged in the front end cover 1, the stator assembly 3 comprises a stator iron core 31, an end insulation 32, a coil winding 33 and an insulation end plate 34, the end insulation 32 is arranged on the end face of the stator iron core 31, the coil winding 33 is wound on the end insulation 32, the insulation end plate 34 is arranged on the top of the end insulation 32, the controller circuit board 6 is arranged on the insulation end plate 34, the height of the rear end cover can be reduced through the structural arrangement, the structural arrangement is reasonable, and the whole occupied area of the motor is reduced.

A heat dissipation boss 23 protrudes from the inner end surface of the rear end plate 21 of the rear end cover 2, a heat conduction gasket 62 is arranged on the controller circuit board 6, the heat dissipation boss 23 abuts against the heat conduction gasket 62, and partial electronic components on the controller circuit board 6 extend into the space defined by the second cylindrical portion 22 of the rear end cover 2, so that the heat dissipation effect of the controller circuit board is improved.

Be equipped with a plurality of installation convex columns 341 on the terminal surface of foretell insulating end plate 34, be equipped with first mounting hole 342 in the middle of convex column 341, be equipped with the second mounting hole 61 that corresponds with first mounting hole 342 on the controller circuit board 6, controller circuit board 6 supports on convex column 341, screws into second mounting hole 61 and first mounting hole 342 through, fixes controller circuit board 6 on insulating end plate 34, and mounting structure is simple.

The insulating end plate 34 is provided with a plurality of mounting bosses 343, the mounting bosses 343 are provided with mounting grooves 344, metal inserting pieces 345 are mounted in the mounting grooves 344, two ends of each metal inserting piece 345 extend out of the mounting groove 344 respectively, one end of each metal inserting piece 345 is electrically connected with the controller circuit board 6, the other end of each metal inserting piece 345 is electrically connected with the enameled wire of the coil winding 33, the metal inserting pieces 345 are structurally arranged to facilitate connection of the enameled wire of the coil winding and connection of the controller circuit board, and the structural arrangement is reasonable.

The stator core 31 comprises the annular yoke 311 and a plurality of tooth parts 312 extending from the annular yoke 311, a slot 313 is formed between every two adjacent tooth parts 312, a plurality of wedge-shaped protrusions 346 axially protrude from the other end face of the insulating end plate 34, the insulating end plate 34 is installed on the top of the end insulator 32, the wedge-shaped protrusions 346 of the insulating end plate are inserted into the notches 314 of the slot 313 of the stator core 31, and the stator core 31 is simple in installation structure and good in positioning effect.

Be equipped with axle extension hole 110 in the middle of foretell front end plate 11, the one end of pivot 5 stretches out from the axle extension hole 110 of front end plate 11 and forms axle extension end 51, the outer terminal surface of front end plate 11, the edge that the axle extended hole 110 is equipped with outer boss 114 and interior boss 115 outward, be equipped with second recess 116 between outer boss 114 and the interior boss 115, fill grease between the axle extension end 51 of interior boss 115 and pivot 5, outer boss 114 still is equipped with buckler 8 outward, buckler 8 is installed on pivot 5, buckler 8 is with axle extension hole 110, outer boss 114 and interior boss 115 cover, effectively prevent that the axle extension hole department of front end housing from intaking, water-proof effects is good, the structural arrangement is reasonable.

The connecting piece is a screw, the end edge of the first cylindrical portion 12 is provided with a plurality of first mounting flanges 124, the end edge of the second cylindrical portion 22 is provided with a plurality of second mounting flanges 222, the first mounting flanges 124 correspond to the second mounting flanges 222, the first mounting flanges 124 and the second mounting flanges 222 are respectively provided with a first threaded hole 1241 and a second threaded hole 2221, the first threaded hole 1241 and the second threaded hole 2221 are screwed into the screw, the front end cover 1 and the rear end cover 2 are locked and connected together, the mounting structure is simple, and the locking effect is good.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention are equivalent replacement modes, and are all included in the scope of the present invention.

Claims

1. The utility model provides a waterproof motor, including front end housing (1), rear end cap (2), stator module (3), rotor subassembly (4), pivot (5) and controller circuit board (6), front end housing (1) and rear end cap (2) are installed together and are formed and hold chamber (100), stator module (3) cover is in rotor subassembly (4) outside and place and hold chamber (100) the inside, one side at stator module (3) is installed in controller circuit board (6), pivot (5) link together with rotor subassembly (4), front end housing (1) includes front end plate (11) and extends first drum portion (12) from front end plate (11) edge axial, rear end housing (2) include rear end plate (21) and extend second drum portion (22) from rear end plate (21) edge axial, the tip of first drum portion (12) is provided with first step tang (121), the tip of second drum portion (22) is provided with second step tang (220), second step tang (220) and first step tang (121) location nested installation, link together between first drum portion (12) and the second drum portion (22), it is through its characterized in that:

a sealing ring (10) is arranged between the first cylindrical part (12) and the second cylindrical part (22), the sealing ring (10) comprises a sealing ring (7) and a wire protecting sleeve (9) arranged on one side of the sealing ring (7), a through hole (91) is formed in the middle of the wire protecting sleeve (9), an annular first groove (122) is formed in the corner position of the first step seam allowance (121), the sealing ring (7) is installed in the first groove (122), a hollow first semicircular bulge (123) protrudes outwards from the end edge of the first cylindrical part (12), a hollow second semicircular bulge (221) protrudes outwards from the end edge of the second cylindrical part (22), the first semicircular bulge (123) corresponds to the second semicircular bulge (221), a wire outlet hole (200) is formed by splicing the first semicircular bulge (123) and the second semicircular bulge (221), and the wire protecting sleeve (9) is installed in the wire outlet hole (200);

when the first cylindrical part (12) and the second cylindrical part (22) are connected in a locking manner, the sealing ring (7) of the sealing ring (10) and the wire sheath (9) are fixedly pressed between the first cylindrical part (12) and the second cylindrical part (22).

2. The waterproof motor according to claim 1, wherein: the wall of the wire outlet hole (200) is dug to be provided with a plurality of annular grooves (201) which are distributed at intervals, the outer side wall of the wire protecting sleeve (9) is provided with a plurality of annular bosses (92), the wire protecting sleeve (9) is installed in the wire outlet hole (200), and the annular bosses (92) are clamped in the annular grooves (201) to form a labyrinth waterproof structure.

3. A waterproof motor according to claim 2, wherein: the sealing ring (7) and the wire sheath (9) are integrally manufactured.

4. A waterproof motor according to claim 1, 2 or 3, wherein: stator module (3) and rotor subassembly (4) both arrange in front end housing (1), stator module (3) are including stator core (31), end insulation (32), coil winding (33) and insulating end plate (34), and end insulation (32) are installed on the terminal surface of stator core (31), and coil winding (33) are convoluteed on end insulation (32), and insulating end plate (34) are installed on the top of end insulation (32), and controller circuit board (6) are installed on insulating end plate (34).

5. The waterproof motor according to claim 4, wherein: a heat dissipation boss (23) protrudes from the inner end face of a rear end plate (21) of the rear end cover (2), a heat conduction gasket (62) is arranged on the controller circuit board (6), the heat dissipation boss (23) is abutted against the heat conduction gasket (62), and partial electronic components on the controller circuit board (6) extend into a space surrounded by a second cylindrical portion (22) of the rear end cover (2).

6. The waterproof motor according to claim 5, wherein: be equipped with a plurality of installation convex columns (341) on the terminal surface of insulating end plate (34), be equipped with first mounting hole (342) in the middle of convex column (341), be equipped with second mounting hole (61) that correspond with first mounting hole (342) on controller circuit board (6), controller circuit board (6) support on convex column (341), screw in second mounting hole (61) and first mounting hole (342) through the screw, fix controller circuit board (6) on insulating end plate (34).

7. The waterproof motor according to claim 6, wherein: be equipped with a plurality of installation bosss (343) on insulating end plate (34), be equipped with mounting groove (344) on installation boss (343), install metal inserted sheet (345) in mounting groove (344), the both ends of metal inserted sheet (345) stretch out mounting groove (344) respectively, and wherein the one end and the controller circuit board (6) of metal inserted sheet (345) are connected, and the other end and the enameled wire of coil winding (33) of metal inserted sheet (345) are connected electrically.

8. The waterproof motor according to claim 7, wherein: the stator core (31) comprises an annular yoke portion (311) and a plurality of tooth portions (312) extending out of the annular yoke portion (311), a slot embedding groove (313) is formed between every two adjacent tooth portions (312), a plurality of wedge-shaped protrusions (346) axially protrude from the other end face of the insulating end plate (34), the insulating end plate (34) is installed on the top of the end portion insulator (32), and the wedge-shaped protrusions (346) of the insulating end plate are inserted into a notch (314) of the slot embedding groove (313) of the stator core (31).

9. The waterproof motor according to claim 8, wherein: be equipped with axle hole (110) of stretching in the middle of front end plate (11), the one end of pivot (5) stretches out from axle hole (110) of front end plate (11) and forms axle and stretch out end (51), the outer terminal surface of front end plate (11), the edge of axle hole (110) is stretched and is equipped with outer boss (114) and interior boss (115) outward, be equipped with second recess (116) between outer boss (114) and interior boss (115), fill grease between the axle end (51) of interior boss (115) and pivot (5), outer boss (114) still are equipped with buckler (8) outward, install on pivot (5) buckler (8), buckler (8) are with axle hole (110), outer boss (114) and interior boss (115) cover.

10. The waterproof motor according to claim 9, wherein: the connecting piece is the screw, the tip edge of first cylindric portion (12) is equipped with a plurality of first mounting flange (124), the tip edge of second cylindric portion (22) is equipped with a plurality of second mounting flange (222), a plurality of first mounting flange (124) are corresponding with a plurality of second mounting flange (222), be equipped with first screw hole (1241) and second screw hole (2221) on first mounting flange (124) and the second mounting flange (222) respectively, screw into first screw hole (1241) and second screw hole (2221) through the screw, with front end housing (1) and rear end housing (2) locking connection together.