CN218316187U

CN218316187U - Driving mechanism of automobile outward swinging door

Info

Publication number: CN218316187U
Application number: CN202222384247.0U
Authority: CN
Inventors: 邓满燕; 乔轩
Original assignee: Shenzhen Epp Precision Technology Co ltd
Current assignee: Shenzhen Epp Precision Technology Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2023-01-17
Anticipated expiration: 2032-09-07

Abstract

The utility model discloses an actuating mechanism of car outward swinging door, include: the device comprises a driving motor, a shell, a base, a first reduction gear set, a second reduction gear set and a transmission gear set; first reduction gear set and second reduction gear set locate in the shell, driving motor locates the one end top of shell, driving motor's output penetrates the shell and is connected with the transmission of first reduction gear set, the bottom of shell is located to the base, the transmission gear group is located in the base, first reduction gear set and second reduction gear set are connected with transmission gear group transmission respectively, the one end top of shell is equipped with the driving medium, the driving medium is connected with the transmission of second reduction gear set, the other end of driving medium is connected with the swing arm. Design more than adopting, through the planet reducing gear box, realize the output of the big moment of torsion of small volume, the commonality is strong, is equipped with the sensor simultaneously, and discernment position that can be accurate, and it is lasting and stable through motor control output, and the door action is smooth-going soft more, and the noise is lower, user experience feels better.

Description

Driving mechanism of automobile outward swinging door

Technical Field

The utility model relates to an automobile door technical field especially relates to an actuating mechanism of car outward swinging door.

Background

With the development of automobiles, people have higher and higher requirements on comfort and experience of the automobiles, particularly the development of new energy automobiles, the requirements of all-dimensional quality host factories are more and more strict, and the intellectualization of doors is more and more common in the future; the automatic opening mode of the vehicle door is not limited to the existing electric sliding mode in the market at present, and an electric side hung door and an electric outward swinging door also tend to be the trend;

at present, MPV and SUV electric doors on the market mainly adopt sliding doors, and the cost is relatively high. The driving mechanism of the outward swinging door is simple, an upper sliding rail, a middle sliding rail and a lower sliding rail are eliminated, and the cost is relatively low. When the outer swing type vehicle door is closed, the outer side of the outer swing type vehicle door is flush with the outer side surface of a vehicle body, the sealing effect and the attractiveness are good, the outer swing type vehicle door is generally adopted on a passenger car between a middle-grade city and a high-grade city in recent years, and is gradually popularized and applied to a small MPV (multi-purpose vehicle) business vehicle and an SUV (sports utility vehicle), and the outer swing type vehicle door has two forms of a single swing and a double swing.

At present, a pneumatic driving mechanism is adopted in the market, and is heavy. The driving mechanism of the electric swing-out door has a few in the market, meets a bottleneck during the development of a host factory, adopts a motor, has insufficient output force, relatively high noise, inaccurate position control, large volume, no manual mode, and limited service life by the motor and a reduction gearbox, and can not lock and hover the door for a long time.

Therefore, it is desirable to design a driving mechanism for an automotive swing door to overcome the deficiencies of the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a reach the technical scheme that above-mentioned technical purpose adopted and be: a drive mechanism for an automotive swing door, comprising: the device comprises a driving motor, a shell, a base, a first reduction gear set, a second reduction gear set and a transmission gear set; be equipped with the first chamber that holds in the one end of shell, the other end of shell is equipped with the second and holds the chamber, first reduction gear group is located the first intracavity that holds, second reduction gear group is located the second holds the intracavity, driving motor locates the shell is equipped with the first one end top that holds the chamber, driving motor's output penetrates the shell with first reduction gear group transmission is connected, the base is located the bottom of shell, drive gear group locates in the base, first reduction gear group with second reduction gear group respectively with drive gear group transmission is connected, the shell is equipped with the one end top of second reduction gear group is equipped with the driving medium, the driving medium with second reduction gear group transmission is connected, the driving medium keep away from with the one end that second reduction gear group connects is connected with the swing arm.

In a preferred embodiment, a driving screw is connected to an output end of the driving motor, and the first reduction gear set includes: two tower gears and a transmission shell; the two tower-shaped gears are arranged at intervals, the tops of the tower-shaped gears are helical teeth, the bottoms of the tower-shaped gears are straight teeth, and the transmission screw is positioned between the tops of the two tower-shaped gears and is in meshing transmission with the tower-shaped gears; two are located to the transmission shell cover the bottom of tower type gear, the inner wall of transmission shell be equipped with the transmission rack of tower type gear bottom meshing, the bottom surface of transmission shell is equipped with the spliced pole, the lateral wall of spliced pole is equipped with a plurality of transmission pieces, the transmission shell passes through the transmission piece with drive gear group transmission is connected.

In a preferred embodiment, the first reduction gear set further comprises: a protective shell and a protective bottom cover; the top of two tower type gears is located in the protective shell, the protective bottom cover is fixedly connected with the bottom of the protective shell, the bottom of the tower type gear is located in the protective bottom cover, an opening is formed in the side wall of the protective bottom cover, the transmission shell is sleeved outside the protective bottom cover, and the bottom of the tower type gear is in transmission connection with the transmission shell through the opening.

In a preferred embodiment, the drive gear set comprises: the first straight helical gear, the second straight helical gear and the straight helical transmission wheel; the first straight helical gear is located in one end of the base, the second straight helical gear is located in the other end of the base, the straight helical gear is located between the first straight helical gear and the second straight helical gear and is meshed with the first straight helical gear and the second straight helical gear respectively, an embedded groove is formed in the middle of each of the first straight helical gear and the second straight helical gear respectively, and the first straight helical gear and the second straight helical gear respectively pass through the embedded groove and the corresponding first reduction gear set and the second reduction gear set in a transmission mode.

In a preferred embodiment, the second reduction gear set includes: the first row constellation, the second row constellation and the deceleration transmission seat; the bottom of first capable constellation is rotated and is connected with a plurality of first gears, and is a plurality of the mutual interval sets up between the first gear, the top of first capable constellation is equipped with the spline groove, the driving medium with the spline groove is connected, the top of second capable constellation is equipped with first gear post, and is a plurality of first gear centers on first gear post sets up, and is a plurality of first gear respectively with first gear post transmission is connected, the bottom of second capable constellation is equipped with a plurality of second gears, and is a plurality of second gear is the mutual interval sets up, the top of speed reduction transmission seat is equipped with the drive column, and is a plurality of the second gear centers on the drive column sets up, the bottom of speed reduction transmission seat still swing joint has the driven dish, the bottom of driven dish is equipped with driven post, the lateral wall of driven post is equipped with the driven piece, the driven dish pass through the driven piece with drive gear group transmission is connected.

In a preferred embodiment, meshing rings are arranged at intervals in the top of the end, where the second reduction gear set is arranged, of the housing, two of the meshing rings correspond to the first gear and the second gear in a one-to-one manner, and the first planet carrier and the second planet carrier are movably arranged in the second accommodating cavity respectively.

In a preferred embodiment, a hall magnetic ring is further arranged in the middle of the speed reduction transmission seat, a hall sensor is arranged at a position of the shell corresponding to the hall magnetic ring, and the hall sensor is vertically opposite to the hall magnetic ring.

In a preferred embodiment, the bottom of the reduction transmission seat is provided with a plurality of limiting lugs, the bottom of the reduction transmission seat is further provided with an armature, the middle of the armature is provided with limiting grooves matched with the limiting lugs one by one, an electromagnet assembly is sleeved outside the driven disc, and the driven disc is located between the armature and the electromagnet assembly.

The utility model has the advantages that: be connected with first reduction gear group and second reduction gear group through the output shaft transmission at driving motor, realize big moment of torsion through multistage speed reduction, through the planet reducing gear box, realize the output of the big moment of torsion of small volume, the commonality is strong, is equipped with the sensor simultaneously, and the discernment position that can be accurate, and through motor control output continuously and stable, the door action is smooth-going soft more, the noise is lower, user experience feels better.

Drawings

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

FIG. 2 is an exploded view of the present invention;

fig. 3 is a schematic structural diagram of a first row constellation of the present invention;

fig. 4 is a schematic structural view of the transmission seat of the present invention;

FIG. 5 is a schematic structural diagram of the driven plate of the present invention;

fig. 6 is a cross-sectional view of the housing of the present invention;

fig. 7 is a schematic structural view of the transmission gear set of the present invention;

fig. 8 is a cross-sectional view of the present invention.

In the figure:

10. a drive motor; 101. a drive screw; 11. a housing; 111. a first accommodating chamber; 112. a second accommodating chamber; 113. an engaging ring; 12. a first reduction gear set; 121. a tower gear; 122. a transmission case; 123. connecting columns; 124. a transmission block; 125. a protective shell; 126. protecting the bottom cover; 127. an opening; 13. a drive gear set; 131. a first straight helical gear; 132. a straight row oblique transmission wheel; 133. a second inline helical gear; 134. embedding the groove; 14. a second reduction gear set; 141. a first row of constellations; 142. a first gear; 143. a spline groove; 144. a second row constellation; 145. a first gear column; 146. a second gear; 147. a speed reduction transmission seat; 1471. a drive post; 1472. a limiting bump; 1473. an armature; 1474. a limiting groove; 148. a driven plate; 1481. a driven column; 1482. a driven block; 15. a transmission member; 16. swinging arms; 17. a Hall magnetic ring; 171. a Hall sensor; 18. an electromagnet assembly; 19. a base.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

As shown in fig. 1-8, the utility model provides a driving mechanism of outer swing door of car, its characterized in that includes: the device comprises a driving motor 10, a shell 11, a base 19, a first reduction gear set 12, a second reduction gear set 14 and a transmission gear set 13; a first accommodating cavity 111 is arranged in one end of the shell 11, a second accommodating cavity 112 is arranged at the other end of the shell 11, the first reduction gear set 12 is arranged in the first accommodating cavity 111, the second reduction gear set 14 is arranged in the second accommodating cavity 112, the driving motor 10 is arranged above one end of the shell 11, which is provided with the first accommodating cavity 111, the output end of the driving motor 10 penetrates through the shell 11 to be in transmission connection with the first reduction gear set 12, the base 19 is arranged at the bottom of the shell 11, the transmission gear set 13 is arranged in the base 19, the first reduction gear set 12 and the second reduction gear set 14 are respectively in transmission connection with the transmission gear set 13, a transmission member 15 is arranged at the top of one end of the shell 11, which is provided with the second reduction gear set 14, and the transmission member 15 is in transmission connection with the second reduction gear set 14, the end of the transmission member 15 away from the end connected to the second reduction gear set 14 is connected to a swing arm 16, specifically, a first accommodating cavity 111 and a second accommodating cavity 112 are arranged side by side, the first reduction gear set 12 is rotatably arranged in the first accommodating cavity 111, the second reduction gear set 14 is rotatably arranged in the second accommodating cavity 112, the first reduction gear set 12 and the second reduction gear set 14 are in transmission connection through a transmission gear set 13, so that the first reduction gear set 12 drives the second reduction gear set 14 to rotate synchronously when rotating, a driving motor 10 is arranged above the end of the housing 11 having the first accommodating cavity 111, an output shaft of the driving motor 10 penetrates through the first accommodating cavity 111 to be in transmission connection with the first reduction gear set 12 therein, so that the driving motor 10 drives the first reduction gear set 12 to operate and then drive the transmission gear set 13, and finally, a second reduction gear set 14 is driven, a transmission piece 15 is arranged at the top of the second accommodating cavity 112, which is arranged on the shell 11, one end of the transmission piece 15 penetrates into the second accommodating cavity 112 and is in transmission connection with the second reduction gear set 14 positioned in the second accommodating cavity, so that the transmission piece 15 is driven to synchronously rotate when the second reduction gear set 14 operates, a swing arm 16 is fixedly connected to the other end of the transmission piece 15, the swing arm 16 is used for connecting an automobile door, and the swing arm 16 swings along with the rotation of the transmission piece 15, so as to drive the automobile door to swing, and realize swinging door opening and closing.

Further, in this embodiment, the output end of the driving motor 10 is connected to a transmission screw 101, and the first reduction gear set 12 includes: two tower gears 121, a transmission case 122; the two tower-shaped gears 121 are arranged at intervals, the tops of the tower-shaped gears 121 are helical teeth, the bottoms of the tower-shaped gears 121 are straight teeth, and the transmission screw 101 is positioned between the tops of the two tower-shaped gears 121 and is in meshing transmission with the tower-shaped gears 121; the transmission shell 122 is sleeved at the bottoms of the two tower gears 121, a transmission rack meshed with the bottoms of the tower gears 121 is arranged on the inner wall of the transmission shell 122, a connection column 123 is arranged on the bottom surface of the transmission shell 122, a plurality of transmission blocks 124 are arranged on the side wall of the connection column 123, the transmission shell 122 is in transmission connection with the transmission gear set 13 through the transmission blocks 124, specifically, a transmission screw 101 is arranged at the output end of the driving motor 10, the two tower gears 121 are arranged side by side and at intervals, the transmission screw 101 is located between the two tower gears 121, the top of each tower gear 121 is provided with oblique teeth, the bottom of each tower gear 121 is provided with straight teeth, the transmission screw 101 is meshed with the oblique teeth at the top of each tower gear 121, so that the transmission gears drive the two tower gears 121 to move in opposite directions when rotating, in order to transmit the torque of the tower gears 121 to the transmission gear set 13, the transmission shell 122 is further arranged outside the bottoms of the two tower gears 121, the two tower gears 121 are located inside the transmission shell 122, and the transmission rack meshed with the straight teeth of the tower gears 121 is arranged on the inner wall of the transmission shell 122, and when the transmission shell 122 is driven by the transmission screws 121, the tower gears 121 to rotate synchronously; the bottom of transmission shell 122 is equipped with spliced pole 123 to be equipped with the transmission piece 124 of a plurality of equidistance at the lateral wall of spliced pole 123, spliced pole 123 inserts and is connected through transmission piece 124 and the drive gear group 13 in the base 19, when making transmission shell 122 rotate, drives the synchronous rotation of gear train.

The design of the helical teeth ensures that when the gears are meshed, a meshing contact line is from short to long to short; the straight gear is integrally meshed and integrally disengaged, so that the transmission impact of the helical gear is small, the bearing capacity of the helical gear is high, and the service life of the driving mechanism is prolonged.

Further, in the present embodiment, the first reduction gear set 12 further includes: a protective case 125, a protective bottom cover 126; the top of two tower gears 121 is located in the protective shell 125, the protection bottom cover 126 with the bottom fixed connection of protective shell 125, the bottom of tower gear 121 is located in the protection bottom cover 126, the lateral wall of protection bottom cover 126 is equipped with opening 127, the transmission shell 122 cover is located outside the protection bottom cover 126, the bottom of tower gear 121 passes through opening 127 with the transmission shell 122 transmission is connected, specifically, for fixing two tower gears 121, first reduction gear set 12 still includes protective shell 125 and protection bottom cover 126, two tower gears 121 are placed in protective shell 125, protective shell 125 and the inner wall fixed connection of shell 11, protection bottom cover 126 is located the bottom of protective shell 125 and with protective shell 125 fixed connection, still be equipped with opening 127 in the bottom of protection bottom cover 126, this opening 127 is used for making the straight tooth of tower gear 121 bottom expose outside, make transmission shell 122 can mesh with tower gear 121 when covering outside protection bottom cover 126 for the rotation of tower gear 121 can drive transmission shell 122 and rotate.

Further, in the present embodiment, the transmission gear set 13 includes: a first straight helical gear 131, a second straight helical gear 133, a straight helical gear wheel 132; the first straight helical gear 131 is located in one end of the base 19, the second straight helical gear 133 is located in the other end of the base 19, the straight helical gear is located between the first straight helical gear 131 and the second straight helical gear 133 and is meshed with the first straight helical gear 131 and the second straight helical gear 133 respectively, an embedded groove 134 is arranged in the middle of each of the first straight helical gear 131 and the second straight helical gear 133, the first straight helical gear 131 and the second straight helical gear 133 are in transmission connection with the corresponding first reduction gear set 12 and the corresponding second reduction gear set 14 through the embedded groove 134, specifically, an accommodating cavity is arranged in the base 19, wherein the transmission gear set 13 is rotatably arranged in the base 19, and the transmission gear set 13 comprises: a first straight helical gear 131, a second straight helical gear 133 and a straight helical gear 132, wherein the first straight helical gear 131 is arranged in one end of the base 19, the second straight helical gear 133 is arranged at the other end of the base 19, the straight helical gear 132 is arranged between the first straight helical gear 131 and the second straight helical gear 133 and is meshed with the first straight helical gear 131 and the second straight helical gear 133, wherein an embedded groove 134 is arranged at the center of each of the first straight helical gear 131 and the second straight helical gear 133, the embedded groove 134 is matched with the transmission block 124, the transmission block 124 of the transmission shell 122 is embedded into the embedded groove 134, when the transmission shell 122 is driven to rotate by the first reduction gear set 12, the first straight helical gear 131 drives the straight helical gear, and finally the second straight helical gear 133 is driven to rotate.

Further, in the present embodiment, the second reduction gear set 14 includes: a first row constellation 141, a second row constellation 144, a deceleration drive mount 147; the bottom of the first row constellation 141 is rotatably connected with a plurality of first gears 142, the plurality of first gears 142 are arranged at intervals, the top of the first row constellation 141 is provided with a spline groove 143, the transmission member 15 is connected with the spline groove 143, the top of the second row constellation 144 is provided with a first gear column 145, the plurality of first gears 142 are arranged around the first gear column 145, the plurality of first gears 142 are respectively connected with the first gear column 145 in a transmission manner, the bottom of the second row constellation 144 is provided with a plurality of second gears 146, the plurality of second gears 146 are arranged at intervals, the top of the reduction transmission seat 147 is provided with a transmission column 1471, the plurality of second gears 146 are arranged around the transmission column 1471, the bottom of the reduction transmission seat 147 is also movably connected with a driven disc 148, the bottom of the driven disc 148 is provided with a driven column 1481, a driven block 1482 is arranged on a side wall of the driven column 1481, the driven disc 148 is in transmission connection with the transmission gear set 13 through the driven block 1482, specifically, the first row constellation 141 and the second row constellation 144 are used for placing a reduction gear, the driven block 1482 at the bottom of the driven disc 148 is embedded into the embedding groove 134 of the second straight helical gear 133, a reduction transmission seat 147 is movably arranged above the driven disc 148, the driven disc 148 is in transmission connection with the reduction transmission seat 147, so that when the driven disc 148 is driven by the second straight helical gear 133 to rotate, the reduction transmission seat 147 synchronously rotates, a transmission column 1471 is arranged at the top of the reduction transmission seat 147, four second gears 146 arranged at intervals are arranged at the bottom of the second row constellation 144 in a rectangular shape, the transmission column 1471 is located at the center of the rectangle surrounded by the four second gears 146, and the transmission column 1471 is engaged with the four second gears 146, so that when the driven disc 148 rotates, the four second gears 146 are driven to rotate synchronously, and a first gear column 145 is further arranged at the top of the second row of constellation 144; the first row of constellations 141 and the second row of constellations 144 are arranged at intervals, four first gears 142 distributed in a rectangular shape are arranged at the bottom of the first row of constellations 141, the four first gears 142 are arranged at intervals, the first gear column 145 is located in the rectangle surrounded by the four first gears 142, the first gear column 145 and the first gear 142 are respectively in meshed transmission, the first gear 142 is driven to rotate by rotation of the first gear column 145, a spline column is further arranged at the top of the first row of constellations 141, a spline groove 143 is formed in the spline column, and the transmission piece 15 is fixed to the top of the first row of constellations 141 through the spline groove 143, so that the transmission piece 15 is driven to rotate when the first row of constellations 141 rotate.

Further, in this embodiment, the top of the end of the housing 11 where the second reduction gear set 14 is provided with meshing rings 113 at intervals, two meshing rings 113 are in one-to-one correspondence with the first gear 142 and the second gear 146, the first row constellation 141 and the second row constellation 144 are respectively movably disposed in the second accommodating cavity 112, specifically, in order to enable the first row constellation 141 and the second row constellation 144 to be driven by the first gear 142 and the second gear 146 to rotate, so as to drive the transmission member 15 to rotate, the top of the end of the housing 11 where the second reduction gear set 14 is provided with the meshing rings 113 at intervals, a position of the meshing ring 113 corresponds to a position of the first gear 142 and the second gear 146 in the housing 11, and are respectively engaged with the corresponding first gear 142 and second gear 146, when the second straight helical gear 133 drives the driven disc 148 to rotate, the deceleration transmission seat 147 is driven to rotate, the transmission post 1471 at the top of the deceleration transmission seat 147 drives the second gear 146 to rotate, because the second gear 146 is fixed at the bottom of the second row of constellations 144, and the side surface of the second gear 146 is engaged with the engagement ring 113, when the second gear 146 rotates under the driving of the transmission post 1471, the second planet seat 144 is driven to rotate, the first gear post 145 at the top of the second row of constellations 144 rotates synchronously, the first gear 142 at the bottom of the first row of constellations 141 is driven, the first gear 142 is engaged with the engagement ring 113, and when the first gear 142 rotates, the first row of constellations 141 is driven to rotate, and the transmission member 15 is driven to rotate, so as to realize the swing of the swing arm 16.

Further, a hall magnet ring 17 is further arranged in the middle of the speed reduction transmission seat 147, a hall sensor 171 is arranged at a position of the shell 11 corresponding to the hall magnet ring 17, the hall sensor 171 is vertically opposite to the hall magnet ring 17, specifically, the hall magnet ring 17 is arranged in the middle of the speed reduction transmission seat 147, the hall sensor 171 is arranged at a position of the shell 11 corresponding to the hall magnet ring 17, the hall sensor 171 and the hall magnet ring 17 vertically correspond in the shell 11, wherein the hall sensor 171 is electrically connected with the motor, and the hall sensor 171 is triggered by the cooperation of the hall magnet ring 17 and the hall sensor 171 when the hall magnet ring 17 rotates with the speed reduction transmission seat 147 by a certain angle, so that the controller can identify the position and the direction of the vehicle door.

The above does the utility model discloses a first embodiment, accessible adjustment motor static torque and the increase and decrease that the reducing gear box transmission train speed ratio realized the resistance in first embodiment reach the mesh of hovering, and when the slope is bigger, the steerable motor of controller got into the brake mode, realized that the long-time locking of door is hovered, even the slope is great also can not swift current door.

In a second embodiment of the present invention, an armature 1473, an electromagnet assembly 18 and a spring are added on the basis of the first embodiment, specifically, the bottom of the reduction transmission seat 147 is provided with a plurality of limiting bumps 1472, the bottom of the reduction transmission seat 147 is further provided with an armature 1473, the middle of the armature 1473 is provided with limiting grooves 1474 matched with the limiting bumps 1472 one by one, the electromagnet assembly 18 is sleeved outside the driven disc 148, the driven disc 148 is located between the armature 1473 and the electromagnet assembly 18, at this time, the reduction transmission seat 147 is in non-transmission connection with the driven disc 148, that is, the driven disc 148 does not drive the reduction transmission seat 147 to rotate, but the armature 1473 is fixedly connected with the reduction transmission seat 147 through the limiting grooves 1474, the bottom of the reduction transmission seat 147 is inserted into the driven disc 148, the spring is located at one end of the reduction transmission seat inserted into the driven disc 148, when the electromagnet assembly 18 is powered forward, the electromagnet assembly 18 generates magnetic force and passes through the driven disc 148 to absorb the armature 1473, and when the reduction transmission seat 14718 rotates, the armature 1473 rotates; when the electromagnet assembly 18 is not electrified, the armature 1473 and the driven disc 148 have residual magnetism, certain resistance cannot be separated, and the output shaft of the driving motor 10 has certain static resistance, so that the requirements of the vehicle door on the slope not sliding and the vehicle door coordination stability are met. When manual control is needed, only the electromagnet assembly 18 needs to be electrified in a reverse direction, so that the armature 1473 is separated from the driven disc 148 and is separated from the connection relation with the second straight helical gear 133, and when the vehicle door is pulled manually, the vehicle door can drive the first row constellation 141 and the second row constellation 144 to rotate due to the reduction of the direction force, so that manual opening is realized.

To sum up, the utility model discloses an output shaft transmission at driving motor is connected with first reduction gear group and second reduction gear group, realizes the big moment of torsion through multistage speed reduction, through the planet reducing gear box, realizes the output of small volume big moment of torsion, and the commonality is strong, is equipped with the sensor simultaneously, and discernment position that can be accurate, and it is continuous and stable through the electric machine control output, and the door action is smooth-going soft more, and the noise is lower, user experience feels better.

The invention is not limited solely to that described in the specification and the embodiments, and additional advantages and modifications will readily occur to those skilled in the art, and it is not intended to be limited to the specific details, representative apparatus, and illustrative examples shown and described herein, without departing from the spirit and scope of the general concept as defined by the appended claims and their equivalents.

Claims

1. A drive mechanism for an automotive swing door, comprising: the device comprises a driving motor, a shell, a base, a first reduction gear set, a second reduction gear set and a transmission gear set; be equipped with the first chamber that holds in the one end of shell, the other end of shell is equipped with the second and holds the chamber, first reduction gear group is located the first intracavity that holds, second reduction gear group is located the second holds the intracavity, driving motor locates the shell is equipped with the first one end top that holds the chamber, driving motor's output penetrates the shell with first reduction gear group transmission is connected, the base is located the bottom of shell, drive gear group locates in the base, first reduction gear group with second reduction gear group respectively with drive gear group transmission is connected, the shell is equipped with the one end top of second reduction gear group is equipped with the driving medium, the driving medium with second reduction gear group transmission is connected, the driving medium keep away from with the one end that second reduction gear group connects is connected with the swing arm.

2. The driving mechanism of an outer swing door of an automobile according to claim 1, wherein a driving screw is connected to an output end of the driving motor, and the first reduction gear set comprises: two tower gears and a transmission shell; the two tower-shaped gears are arranged at intervals, the tops of the tower-shaped gears are helical teeth, the bottoms of the tower-shaped gears are straight teeth, and the transmission screw is positioned between the tops of the two tower-shaped gears and is in meshing transmission with the tower-shaped gears; two are located to the transmission shell cover the bottom of tower type gear, the inner wall of transmission shell be equipped with the transmission rack of tower type gear bottom meshing, the bottom surface of transmission shell is equipped with the spliced pole, the lateral wall of spliced pole is equipped with a plurality of transmission pieces, the transmission shell passes through the transmission piece with drive gear group transmission is connected.

3. The drive mechanism for an automotive swing door according to claim 2, wherein said first reduction gear set further comprises: a protective shell and a protective bottom cover; the top of two tower type gears is located in the protective shell, the protective bottom cover is fixedly connected with the bottom of the protective shell, the bottom of the tower type gear is located in the protective bottom cover, an opening is formed in the side wall of the protective bottom cover, the transmission shell is sleeved outside the protective bottom cover, and the bottom of the tower type gear is in transmission connection with the transmission shell through the opening.

4. The drive mechanism for an automotive swing door according to claim 1, wherein the transmission gear set includes: the first straight helical gear, the second straight helical gear and the straight helical transmission wheel; the first straight helical gear is located in one end of the base, the second straight helical gear is located in the other end of the base, the straight helical gear is located between the first straight helical gear and the second straight helical gear and is meshed with the first straight helical gear and the second straight helical gear respectively, an embedded groove is formed in the middle of each of the first straight helical gear and the second straight helical gear respectively, and the first straight helical gear and the second straight helical gear respectively pass through the embedded groove and the corresponding first reduction gear set and the second reduction gear set in a transmission mode.

5. The drive mechanism of an automotive swing door according to claim 1, wherein said second reduction gear set includes: the first row constellation, the second row constellation and the deceleration transmission seat; the bottom of first capable constellation is rotated and is connected with a plurality of first gears, and is a plurality of the mutual interval sets up between the first gear, the top of first capable constellation is equipped with the spline groove, the driving medium with the spline groove is connected, the top of second capable constellation is equipped with first gear post, and is a plurality of first gear centers on first gear post sets up, and is a plurality of first gear respectively with first gear post transmission is connected, the bottom of second capable constellation is equipped with a plurality of second gears, and is a plurality of second gear is the mutual interval sets up, the top of speed reduction transmission seat is equipped with the drive column, and is a plurality of the second gear centers on the drive column sets up, the bottom of speed reduction transmission seat still swing joint has the driven dish, the bottom of driven dish is equipped with driven post, the lateral wall of driven post is equipped with the driven piece, the driven dish pass through the driven piece with drive gear group transmission is connected.

6. The driving mechanism of an outward swinging door of an automobile according to claim 5, characterized in that the top of the end of the housing where the second reduction gear set is provided with meshing rings arranged at intervals, two meshing rings correspond to the first gear and the second gear one to one, and the first planetary carrier and the second planetary carrier are respectively and movably arranged in the second accommodating cavity.

7. The driving mechanism of an outward swinging door of an automobile as claimed in claim 5, wherein a Hall magnetic ring is further disposed at the middle of the decelerating transmission seat, a Hall sensor is disposed at a position of the housing corresponding to the Hall magnetic ring, and the Hall sensor is vertically opposite to the Hall magnetic ring.

8. The driving mechanism of an automobile outward swinging door according to claim 5, characterized in that a plurality of limiting lugs are arranged at the bottom of the speed reducing transmission seat, an armature is further arranged at the bottom of the speed reducing transmission seat, limiting grooves matched with the limiting lugs one by one are formed in the middle of the armature, an electromagnet assembly is sleeved outside the driven disc, and the driven disc is located between the armature and the electromagnet assembly.