CN212921093U - Waterproof skylight drive arrangement - Google Patents

Abstract

The utility model provides a waterproof skylight drive arrangement, including motor housing and operating motor, be equipped with the gear in the motor housing, operating motor sets up one side of motor housing, its pivot stretches into in the motor housing, the drive gear revolve, the center department of gear is equipped with the mounting hole, follows the circumference of mounting hole is equipped with and is annular gear groove, it has a plurality of spaced through-holes to open in the gear groove. The utility model discloses an useful part lies in, through the structure that changes gear, motor stator, ECU casing, motor casing and motor and connect, has solved the difficult problem that water invaded in by skylight drive arrangement's various gaps effectively, has satisfied the requirement of the waterproof experimental test of IP5K2 IP5K 3. The structural changes have small influence on the motor assembly process, are very suitable for mass production, and have great advantages in product cost and waterproof stability.

Description

Waterproof skylight drive arrangement

Technical Field

The utility model relates to an automobile skylight technical field especially relates to a waterproof skylight drive arrangement.

Background

With the popularization of the skylight in the car, the skylight has higher and higher use frequency in different countries and different working conditions, which also puts higher requirements on the waterproof performance of the skylight driving device. The waterproof performance requirement of the current mainstream automobile host machine manufacturer on the skylight driving device is reflected in the following tests: the motor meets the requirement that no fluorescent water agent exists in the motor shell in the rain test requirement of IP5K2/IP5K3 under the condition of no shielding. The functions are embodied in: 1. the motor is used as an after-sale piece, and can meet the waterproof requirement of an invasion mode under the IP5K2/IP5K3 standard when being invaded by external water; 2. when the car body falls into water or leaks water, the motor can meet the waterproof requirement of IP5K2/IP5K3 and keep normal operation.

The drive device of the open type power sunroof for the mainstream car generally comprises a main motor and an auxiliary motor. The main motor comprises a motor body, an ECU shell and a connector and is used for controlling the opening/closing/lifting operation of the movable skylight glass; the sub-motor includes a motor body and a connector for controlling the opening/closing operation of the sunroof curtain. At present, motors on the market generally cannot meet the high waterproof performance requirements of IP5K2 and IP5K 3.

SUMMERY OF THE UTILITY MODEL

To the above defect, the to-be-solved technical problem of the utility model is to provide a skylight drive arrangement with higher waterproof performance.

The utility model provides a waterproof skylight drive arrangement, including motor housing and operating motor, be equipped with the gear in the motor housing, operating motor sets up one side of motor housing, its pivot stretches into in the motor housing, the drive gear revolve, the center department of gear is equipped with the mounting hole, follows the circumference of mounting hole is equipped with and is annular gear groove, it has a plurality of spaced through-holes to open in the gear groove.

Preferably, the motor stator of the operation motor is formed by deep drawing, and the outer surface thereof has no gap.

Preferably, the one end of the motor stator of operation motor is equipped with the toroidal surface that is used for placing the sealing washer, and follows the outer border of toroidal surface is equipped with joint portion, joint portion and the cooperation of motor housing joint.

Preferably, the sunroof driving device further includes an ECU housing overlapping the motor housing and communicating with the inside.

Preferably, the ECU housing includes an ECU upper housing and an ECU lower housing.

Preferably, the bottom of casing is equipped with first overlap joint portion on the ECU, the top of casing is equipped with the second overlap joint portion under the ECU, first overlap joint portion and second overlap joint portion all are L type and cooperate from top to bottom.

Preferably, the extension of the second strap is located inside the extension of the first strap.

Preferably, the top of the ECU upper shell is provided with a first groove, and the first groove is positioned below the lap joint of the ECU upper shell and the motor shell.

Preferably, the sunroof driving device further comprises a motor joint, the motor joint is overlapped on one side of the ECU upper housing and is provided with a second groove, and the second groove is located below the overlapped part of the ECU upper housing and the motor joint.

The utility model discloses an useful part lies in, through the structure that changes gear, motor stator, ECU casing, motor casing and motor and connect, has solved the difficult problem that water invaded in by skylight drive arrangement's various gaps effectively, has satisfied the requirement of the waterproof experimental test of IP5K2 IP5K 3. The structural changes have small influence on the motor assembly process, are very suitable for mass production, and have great advantages in product cost and waterproof stability.

Drawings

FIG. 1 is a perspective view and an operational state schematic of a prior art gear;

FIG. 2 is a perspective view of a prior art sunroof driving device;

FIG. 3 is a cross-sectional view taken along the lines B-B and C-C of FIG. 2;

FIG. 4 is a schematic structural view of a stator of a conventional motor;

FIG. 5 is a schematic structural view of a conventional ECU housing;

FIG. 6 is a schematic structural view of an upper case of a conventional ECU;

FIG. 7 is a schematic view of a prior art motor coupling;

FIG. 8 is a cross-sectional view of a prior art sunroof driving device;

fig. 9 is a first perspective view of the waterproof sunroof driving device according to the present invention;

fig. 10 is a perspective view of the gear of the present invention and a cross-sectional view in the direction of a-a in fig. 9;

fig. 11 is a second perspective view of the waterproof sunroof driving device of the present invention;

FIG. 12 is a cross-sectional view taken along the lines B-B and C-C of FIG. 11;

FIG. 13 is a cross-sectional view taken along line D-D of FIG. 9

Fig. 14 is a schematic structural view of a motor stator according to the present invention;

FIG. 15 is a cross-sectional view taken along line E-E of FIG. 9;

fig. 16 is a schematic structural view of an ECU upper case of the present invention;

fig. 17 is a schematic structural view of the motor joint of the present invention;

fig. 18 is a sectional view in the direction F-F in fig. 9.

Element number description:

1 Motor casing

11 lap joint part

2 operating motor

21 motor rotor

22 rotating shaft

23 Motor stator

230 existing motor stator

231 gap

24 clamping part

25 ring surface

3 ECU casing

31 ECU Upper casing

310 existing ECU upper case

311 first groove

312 first strap

32 ECU lower casing

320 existing ECU lower housing

321 second lap joint part

4 motor joint

40 existing motor coupling

401 card slot

41 stud

42 second recess

5 Gear

50 existing gear

51 Gear groove

52 through hole

53 mounting hole

54 drainage hole

6 electronic component

7 sealing ring

Detailed Description

The following describes the present invention in further detail with reference to the accompanying drawings. These embodiments are provided only for illustrating the present invention and are not intended to limit the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the following description, the drawings in fig. 15 are taken as a reference basis for directions, and in fig. 15, upward is an upward direction along the drawing sheet and downward is a downward direction along the drawing sheet; the front direction is towards the left along the view paper surface, the rear direction is towards the right along the view paper surface, the right direction is towards the outside perpendicular to the view paper surface, and the left direction is towards the inside perpendicular to the view paper surface.

As shown in fig. 1, fig. 9 and fig. 10, the utility model provides a waterproof skylight drive device, including motor housing 1 and operating motor 2, be equipped with gear 5 in the motor housing 1, operating motor 2 sets up in one side of motor housing 1, and its pivot 22 stretches into in the motor housing 1, and is provided with worm (not shown) in the pivot 22, and the worm is engaged with gear 5, and drive gear 5 rotates, and gear 5 and then drive flexible axle drive skylight glass or sunshade screen motion. The operation motor 2 is preferably a servomotor capable of controlling the rotation direction and the rotation amount of its rotary shaft 22. The existing gear 50 has no groove or opening on the whole gear surface except for the mounting hole 53 at the center, and because the existing gear 50 needs to rotate in use and has a gap with the motor housing 1, water can flow to the electronic component 6 in the motor housing 1 along the gap and the gear surface (the water flow direction is shown by an arrow a in fig. 1), and the waterproof requirement of IP5K2/IP5K3 cannot be met. The utility model discloses a gear 5 is equipped with along the circumference of mounting hole 53 and is annular gear groove 51, has seted up a plurality of spaced through-holes 52 in gear groove 51, specifically is four through-holes 52 of evenly distributed. The drainage hole 54 is arranged under the through hole 52 of the motor shell 1, the electronic component 6 is arranged near the drainage hole 54, and after the arrangement, water can directly flow into the gear groove 51 and the through hole 52 from the gap between the gear 5 and the motor shell 1 and can be quickly drained from the drainage hole 54, and can not flow onto the electronic component 6 along the gear surface, so that the waterproof requirement of IP5K2/IP5K3 is met.

As shown in fig. 2 and 3, the conventional motor stator 230 is formed by crimping a metal plate, and inevitably has a gap 231 where the two crimps overlap, and water enters the operation motor 2 from the gap 231 to erode the internal motor rotor 21 and the like (the water flow direction is shown by an arrow B in fig. 3). As shown in fig. 4, a clip portion 24 is provided at an end of the conventional motor stator 230, and the clip portion 24 is snap-fitted to the motor housing 1. The shape of the end part is uneven, and a plurality of gaps are formed after the end part is connected with the motor shell 1 in a clamped mode, so that water cannot be prevented from entering the gaps. As shown in fig. 11 and 12, the motor stator 23 of the present invention is formed by deep drawing, and has no gap on its outer surface, so that it is possible to effectively prevent water intrusion. As shown in fig. 13 and 14, one end of the motor stator 23 of the present invention is provided with an annular surface 25 for placing the sealing ring 7, and a clamping portion 24 is provided along an outer edge of the annular surface 25, and the clamping portion 24 is in clamping fit with the motor housing 1. For the complicated end structure of current motor stator 230, the utility model discloses end structure to motor stator 23 has been simplified to set up an annular surface 25, can set up sealing washer 7 between motor housing 1 and motor stator 23 like this, further prevent that water from getting into from the joint face, thereby reach the requirement of IP5K2/IP5K 3.

As shown in fig. 9 and 15, the sunroof driving device of the present invention further includes an ECU housing 3, a motor control unit for controlling the operation motor 2 is provided inside the ECU housing 3, and the ECU housing 3 is connected to one side of the motor housing 1 and is connected to the inside of the motor housing. Specifically, the ECU housing 3 includes an ECU upper housing 31 and an ECU lower housing 32, wherein the bottom of the ECU upper housing 31 is provided with a first lap joint portion 312, the top of the ECU lower housing 32 is provided with a second lap joint portion 321, and the first lap joint portion 312 and the second lap joint portion 321 are both L-shaped and are vertically matched. Further, the extension of the second lap joint portion 321 is located inside the extension of the first lap joint portion 312, where "inside" refers to a side closer to the electronic component 6. After the arrangement, the extending section of the second bridging portion 321 can be used as a "dam" to block water entering from a lower gap, so as to prevent the water from entering the ECU housing 3 through the second bridging portion 321 and corroding the electronic component 6. In the conventional ECU case shown in fig. 5, the conventional ECU upper case 310 and the conventional ECU lower case 320 are fixed only by lap-joint fitting, and the lap-joint portions of the two are horizontal planes, so that water cannot be prevented from entering the electronic component 6 from a horizontal gap.

As shown in fig. 6 to 8, the sunroof driving apparatus further includes a conventional motor connector 40, and a conventional ECU upper housing 310 is disposed between the conventional motor connector 40 and the motor housing 1, and has a smooth flat top surface, into which water enters from a gap between the conventional ECU upper housing and the motor housing 1, and a water flow path is shown by an arrow C in fig. 8. One end of the existing motor connector 40 is provided with a clamping groove 401, and is clamped on one side of the existing ECU upper housing 310 through the clamping groove 401, water can enter from a gap between the existing motor connector 40 and the existing ECU upper housing 310, and a water flow path is shown by an arrow D in fig. 8. As shown in fig. 16 to 18, the ECU upper case 31 is still disposed between the motor joint 4 and the motor case 1, but the top surface thereof is provided with a first groove 311, the first groove 311 is located below the overlapping portion of the ECU upper case 31 and the motor case 1 and extends to the front and rear side surfaces of the ECU upper case 1, and the overlapping portion 11 of the motor case 1 completely covers the top of the first groove 311. Two circles of studs 41 are arranged at one end of the motor connector 4, a second groove 42 is arranged between the two circles of studs 41, the second groove 42 is positioned below the lap joint of the ECU upper shell 31 and the motor connector 4, and the ECU upper shell 31 is abutted with the studs 41 positioned at the top to completely cover the top of the second groove 42. By arranging the grooves in this way, it is ensured that only a small amount of water will penetrate into the first grooves 311 or the second grooves 42, and by the design of the grooves, water can be guided from the top of the ECU upper housing 31 or the motor joint 4 to the front and rear sides (the water flow direction is shown by the arrow E in fig. 16 and the arrow F in fig. 17), so that a small amount of water in the grooves can be guided out in time, and the requirements of IP5K2/IP5K3 can be met.

To sum up, the utility model discloses an useful part lies in, through the structure that changes gear, motor stator, ECU casing, motor casing and motor and connect, has solved the difficult problem that water invades in by various gaps effectively, satisfies the requirement of the waterproof experimental test of IP5K2 IP5K 3. The structural changes have small influence on the motor assembly process, are very suitable for mass production, and have great advantages in product cost and waterproof stability.

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

Claims (9)

1. The utility model provides a waterproof skylight drive arrangement, includes motor housing (1) and operation motor (2), be equipped with gear (5) in motor housing (1), operation motor (2) set up one side of motor housing (1), its pivot (22) stretch into in motor housing (1), the drive gear (5) rotate, its characterized in that, the center department of gear (5) is equipped with mounting hole (53), follows the circumference of mounting hole (53) is equipped with and is annular gear groove (51), open through-hole (52) that have a plurality of intervals in gear groove (51).

2. Sunroof drive arrangement according to claim 1, characterized in that the motor stator (23) of the operating motor (2) is deep drawn without a gap on its outer surface.

3. Sunroof drive arrangement according to claim 1, characterized in that one end of the motor stator (23) of the operating motor (2) is provided with an annular surface (25) for placing the sealing ring (7), and that along the outer edge of the annular surface (25) a snap-in part (24) is provided, which snap-in part (24) fits in the motor housing (1).

4. Sunroof drive according to claim 1, further comprising an ECU housing (3), the ECU housing (3) overlapping the motor housing (1) and communicating internally.

5. Sunroof drive device according to claim 4, wherein the ECU housing (3) comprises an ECU upper housing (31) and an ECU lower housing (32).

6. Sunroof driving device according to claim 5, wherein the ECU upper case (31) is provided at a bottom thereof with a first overlapping portion (312), the ECU lower case (32) is provided at a top thereof with a second overlapping portion (321), and the first overlapping portion (312) and the second overlapping portion (321) are L-shaped and are engaged up and down.

7. Sunroof drive arrangement according to claim 6, characterized in that the extension of the second strap (321) is located inside the extension of the first strap (312).

8. Sunroof drive arrangement according to claim 5, characterized in that the top of the ECU upper housing (31) is provided with a first recess (311), the first recess (311) being located below the overlap of the ECU upper housing (31) and the motor housing (1).

9. Sunroof driving device according to claim 5, further comprising a motor joint (4), wherein the motor joint (4) overlaps one side of the ECU upper housing (31) and is provided with a second groove (42), and the second groove (42) is located below the overlap of the ECU upper housing (31) and the motor joint (4).

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