CN111497579A

CN111497579A - Skylight lifting motor driving device

Info

Publication number: CN111497579A
Application number: CN202010373464.2A
Authority: CN
Inventors: 席智武
Original assignee: Wuhan Kaiwosen Industrial Technology Co ltd
Current assignee: Wuhan Kaiwosen Industrial Technology Co ltd
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2020-08-07

Abstract

The invention relates to the technical field of automobile skylights, and discloses a skylight lifting motor driving device which comprises a motor body, a transmission device, an output worm wheel and a reduction gearbox, wherein an output worm is arranged on an output shaft of the motor body, the transmission device comprises a transmission worm and the transmission worm wheel arranged on the transmission worm, the output worm is meshed with the transmission worm wheel, the transmission worm is meshed with the output worm wheel, one end of the reduction gearbox is inserted into the output shaft of the motor body through a bearing, a side cover is fastened at the end part of the output shaft through a screw, the output worm wheel is arranged on the side cover through a bearing, a lower cover is fastened at the bottom of the reduction gearbox through a screw, and the transmission worm of the transmission device is arranged. The skylight lifting motor driving device adopts a structure directly connected with the lifting mechanism to replace a flexible shaft driving mechanism, simplifies the lifting structure, improves the motor efficiency and reduces the roof space occupied by the skylight.

Description

Skylight lifting motor driving device

Technical Field

The invention relates to the technical field of automobile skylights, in particular to a skylight lifting motor driving device.

Background

With the high-speed development of the automobile industry, automobiles are generally provided with skylights which not only can fully ventilate and exchange air, but also have good lighting performance, and besides, the manufacturing cost of common skylights is low, so that the common skylights are popular.

However, in the existing skylight glass warping driving motor used in the market, the structure is that mostly a motor output bevel gear is meshed with a flexible shaft, and the glass lifting is realized by driving a sliding block in a flexible shaft to move forwards or backwards to drive a mechanism.

Chinese patent (published: 2015, 12/02/10, publication No. CN105109311B) discloses an automobile skylight, which is formed by combining a double-head driving mechanism and a skylight raising mechanism of the automobile roof, wherein the double-head flexible shaft drives an inner clamp to open and close glass and a sunshade curtain through the driving of a motor, the raising mechanism mainly comprises a mechanism lifting arm steel part, a raising arm, a mechanism limiting part and a slide rail, the flexible shaft drives a main slide block to move so as to enable the mechanism limiting part to move, and a boss of the mechanism limiting part jacks up the raising arm so as to enable the skylight to complete raising. This novel skylight has just realized the complete automatic switching of the upwarp of skylight glass and sunshade screen through single motor power source, has improved the security of traveling under the prerequisite of simplifying the sunroof structure, has reduced the manufacturing cost and the maintenance cost in the future of product. However, because the bevel gear output by the motor is meshed with the flexible shaft, the glass is lifted by driving the flexible shaft to move forward or backward to drive the sliding block in the mechanism to move, the structure is complex, a plurality of parts need to be matched and assisted, and the manufacturing precision requirement of each part is high.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, and provides a skylight lifting motor driving device which adopts a structure directly connected with a lifting mechanism to replace a flexible shaft driving mechanism, simplifies a tilting structure, improves the motor efficiency and reduces the roof space occupied by a skylight.

In order to achieve the purpose, the skylight lifting motor driving device designed by the invention comprises a motor body, a transmission device, an output worm wheel and a reduction gearbox, wherein an output worm coaxial with the output shaft is arranged on the output shaft of the motor body, the output worm is a motor body mechanical power output unit, the transmission device comprises a transmission worm and a transmission worm wheel which is arranged on the transmission worm and coaxial with the transmission worm, the output worm is meshed with the transmission worm wheel to drive the transmission device to rotate around the central line of the transmission worm, the transmission worm is meshed with the output worm wheel to drive the output worm wheel to rotate, the output worm wheel is a final output unit of torque to drive the lifting mechanism to operate, one end of the reduction gearbox is inserted into the output shaft of the motor body through a bearing, and a side cover is fastened at the end part of the output shaft through a screw, the output worm wheel is installed on the side cover through a bearing, the bottom of the reduction gearbox is fastened with a lower cover through a screw, a transmission worm of the transmission device is installed on the lower cover through the bearing, the bearings are sleeved on central shafts of the output worm, the transmission device and the output worm wheel, the local strength and the abrasion resistance of the reduction gearbox shell are enhanced, and meanwhile, the axial and radial play of the worm wheel or the worm during operation in the reduction gearbox is well controlled, so that the motor body works stably without abnormal sound.

Preferably, a first groove for accommodating the end part of the output shaft is arranged in the side cover, a second groove communicated with the first groove is arranged at the bottom of the first groove, the inner diameter of the second groove is smaller than that of the first groove, a plurality of limiting ribs are uniformly distributed at the bottom of the first groove, the maximum axial movement amount of the output shaft is limited through the limiting rib, the output shaft is allowed to move axially, but the play amount can not exceed the preset value, the end part of the output shaft is also provided with a stop block which is directly contacted with the end surface of the output shaft, the stop block is matched with the inner diameter of the first groove, an elastic block is arranged between the stop block and the bottom of the second groove, when the output shaft axially moves, the elastic block is compressed, the motor body has a buffering effect in the compression process, so that impact cannot be generated when the motor body works.

Compared with the prior art, the invention has the following advantages:

1. the structure directly connected with the lifting mechanism is adopted to replace a flexible shaft driving mechanism, so that the raising structure is simplified, the motor efficiency is improved, the car roof space occupied by the skylight is reduced, more disposable space is reserved for a car body, and the layout of other structures is facilitated;

2. the motor driving device is matched with the lifting mechanism structure of the skylight, the skylight glass can stay at any position in the lifting stroke, and a user can adjust the opening height of the skylight glass for lifting according to own habits;

3. the structure is simple, the number of skylight parts is reduced, and the cost is reduced.

Drawings

FIG. 1 is an exploded view of the skylight lifting motor driving device according to the present invention;

FIG. 2 is a schematic structural diagram of a sunroof lifting motor driving device according to the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is a schematic view of the side cover of FIG. 1;

FIG. 5 is a schematic view of a skylight installed with the skylight lifting motor driving device according to the present invention;

FIG. 6 is an exploded view of FIG. 5;

FIG. 7 is a schematic view of a skylight lifting motor driving device installed on a skylight frame;

FIG. 8 is a schematic view of another angle of FIG. 7;

fig. 9 is a left side sectional view of fig. 7.

The components in the figures are numbered as follows:

the device comprises a motor body 1, a transmission device 2, an output worm wheel 3, a reduction gearbox 4, an output shaft 5, an output worm 6, a transmission worm 7, a transmission worm wheel 8, a side cover 9, a lower cover 10, a first groove 11, a second groove 12, a limiting rib 13, a stop block 14, an elastic block 15, a skylight frame 16, skylight glass 17, a transmission mandrel 18, a lifting mechanism 19, a motor fixing screw 20 and a skylight lifting motor driving device 21.

Detailed Description

The invention is described in further detail below with reference to the figures and the specific embodiments.

As shown in fig. 1, 2, 3 and 4, the skylight lifting motor driving device of the invention includes a motor body 1, and further includes a transmission device 2, an output worm wheel 3 and a reduction box 4, an output worm 6 coaxial with the output shaft 5 is arranged on the output shaft 5 of the motor body 1, the transmission device 2 includes a transmission worm 7 and a transmission worm wheel 8 coaxial with the transmission worm 7 and mounted on the transmission worm 7, the output worm 6 is meshed with the transmission worm wheel 8, the transmission worm 7 is meshed with the output worm wheel 3, one end of the reduction box 4 is inserted into the output shaft 5 of the motor body 1 through a bearing, the reduction box 4 is located at the end of the output shaft 5 and is fastened with a side cover 9 through a screw, the output worm wheel 3 is mounted on the side cover 9 through a bearing, the bottom of the reduction box 4 is fastened with a lower cover 10 through a screw, and the transmission worm 7 of the.

Be equipped with the first recess 11 of the 5 tip of holding output shaft in the side cap 9, the bottom of first recess 11 is equipped with the second recess 12 with first recess 11 intercommunication, the internal diameter of second recess 12 is less than the internal diameter of first recess 11, the bottom evenly distributed of first recess 11 has three spacing muscle 13, output shaft 5 tip still is equipped with dog 14, dog 14 and first recess 11's internal diameter phase-match, be equipped with elastic block 15 between dog 14 and the bottom of second recess 12.

As shown in fig. 5, 6, 7, 8 and 9, when the skylight lifting motor driving device of this embodiment is installed on a skylight, the skylight includes a skylight frame 16, a skylight glass 17 installed on the skylight frame 16 and a driving mechanism for driving the skylight glass 17 to move, the driving mechanism includes a transmission mandrel 18 installed at one end of the skylight frame 16, at least two sets of lifting mechanisms 19 evenly installed on the transmission mandrel 18 and a skylight lifting motor driving device 21 for driving the transmission mandrel to rotate 18, two ends of each set of lifting mechanisms 19 are respectively connected to the transmission mandrel 18 and one end of the skylight glass 17, the other end of the skylight glass 17 is hinged to the other end of the skylight frame 16, a flower-shaped groove is installed on a central shaft of an output worm wheel 3 of the skylight lifting motor driving device, the transmission mandrel 18 is sleeved with the skylight lifting mechanisms 19, the transmission mandrel 18 is driven to rotate, each set of lifting mechanisms 19 moves synchronously to open or close the, wherein the motor body 1 is clamped on the skylight frame 16 through at least two clamping hooks and is fixed through a motor fixing screw 20.

The skylight lifting motor driving device adopts a structure directly connected with the lifting mechanism 19 to replace a flexible shaft driving mechanism, simplifies the lifting structure, improves the motor efficiency, reduces the roof space occupied by the skylight, reserves more available space for a vehicle body and is convenient for the layout of other structures; the lifting mechanism matched with the motor driving device has a simple and stable structure 19, the skylight glass 17 can stay at any position in the lifting stroke, and a user can adjust the opening height of the skylight glass 17 according to own habits; the invention has simple structure, reduces the number of skylight parts and reduces the cost.

The foregoing shows and describes the general principles and principal structural features of the present invention. The present invention is not limited to the above examples, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a skylight lifts motor drive, includes motor body (1), its characterized in that: the motor is characterized by further comprising a transmission device (2), an output worm wheel (3) and a reduction gearbox (4), wherein an output worm (6) coaxial with the output shaft (5) is arranged on the output shaft (5) of the motor body (1), the transmission device (2) comprises a transmission worm (7) and a transmission worm wheel (8) which is arranged on the transmission worm (7) and coaxial with the transmission worm (7), the output worm (6) is meshed with the transmission worm wheel (8), the transmission worm (7) is meshed with the output worm wheel (3), one end of the reduction gearbox (4) is inserted into the output shaft (5) of the motor body (1) through a bearing, the reduction gearbox (4) is located at the end part of the output shaft (5) and is fastened with a side cover (9) through a screw, the output worm wheel (3) is arranged on the side cover (9) through a bearing, and a lower cover (10) is fastened at the bottom of the reduction gearbox (4) through, and a transmission worm (7) of the transmission device (2) is arranged on the lower cover (10) through a bearing.

2. The sunroof lifting motor driving device according to claim 1, wherein: be equipped with the holding in side cap (9) first recess (11) of output shaft (5) tip, the bottom of first recess (11) be equipped with second recess (12) of first recess (11) intercommunication, the internal diameter of second recess (12) is less than the internal diameter of first recess (11), the bottom evenly distributed of first recess (11) has a plurality of spacing muscle (13), output shaft (5) tip still is equipped with dog (14), dog (14) with the internal diameter phase-match of first recess (11), dog (14) with be equipped with elastic block (15) between the bottom of second recess (12).