Driving mechanism assembly of electric sliding door
阅读说明：本技术 一种电动滑门驱动机构总成 (Driving mechanism assembly of electric sliding door ) 是由 姚明成 于 2020-07-24 设计创作，主要内容包括：本发明公开了一种电动滑门驱动机构总成,包括驱动壳盖,驱动壳体；特点是驱动壳体内部包括设置有的主绕线轮的安装区a,设置有涨紧轮机构的安装区b及安装区c；主绕线轮上的开门拉索经过涨紧轮机构a,从驱动壳体的第一引出口引出,与移门中铰链相连接；关门拉索经过涨紧轮机构b,从驱动壳体的第二引出口引出,与移门中铰链相连接；驱动壳体外部设置有离合器壳盖,离合器壳盖与驱动壳体之间设置有蜗轮,设置在驱动电机前端的蜗轴与蜗轮相配合,蜗轮与驱动轴通过电磁离合器相连接。优点是对拉索松弛的吸收效果好；减少了手动开启车门所需的力；结构紧凑,稳定性好,使用效果好,开门、关门动作及时,体积小,重量轻,安装方便,降低了生产成本。(The invention discloses an electric sliding door driving mechanism assembly, which comprises a driving shell cover and a driving shell body, wherein the driving shell cover is arranged on the driving shell body; is characterized in that the interior of the driving shell comprises a mounting area a of a main reel, a mounting area b and a mounting area c of a tension wheel mechanism; the door opening pull rope on the main reel is led out from a first leading-out opening of the driving shell through a tension wheel mechanism a and is connected with a middle hinge of the sliding door; the door closing cable is led out from a second leading-out port of the driving shell through a tensioning wheel mechanism b and is connected with a middle hinge of the sliding door; the outside of the driving shell is provided with a clutch shell cover, a worm wheel is arranged between the clutch shell cover and the driving shell, a worm shaft arranged at the front end of the driving motor is matched with the worm wheel, and the worm wheel is connected with the driving shaft through an electromagnetic clutch. Has the advantages of good effect of absorbing slack of the guy cable; the force required for manually opening the vehicle door is reduced; compact structure, stability is good, excellent in use effect, the action of opening the door, closing the door in time, small, light in weight, simple to operate has reduced manufacturing cost.)
1. An electric sliding door driving mechanism assembly comprises a driving shell cover (13) and a driving shell (3); the method is characterized in that: the driving shell (3) comprises a mounting area a (3-1) of a main reel (12), a mounting area b (3-2) and a mounting area c (3-3) of a tension wheel mechanism (29); the mounting areas b (3-2) and c (3-3) are symmetrically arranged on two sides of the mounting area a (3-1); limiting baffles (3-4) are arranged between every two adjacent mounting areas; the main reel (12) is provided with two pull cables (28) wound in opposite directions, and the door opening pull cable (28-1) is led out from a first leading-out opening (3-5) of the driving shell (3) through a tension wheel mechanism a (29-1) and is connected with a middle hinge (30) of the sliding door; a door closing cable (28-2) is led out from a second leading-out opening (3-6) of the driving shell (3) through a tension wheel mechanism b (29-2) and is connected with a middle hinge (30) of the sliding door; the clutch mechanism is characterized in that a clutch shell cover (10) is arranged outside the driving shell (3), a worm wheel (4) is arranged between the clutch shell cover (10) and the driving shell (3), a worm shaft (2) arranged at the front end of the driving motor (1) is matched with the worm wheel (4), and the worm wheel (4) is connected with the driving shaft (7) through an electromagnetic clutch (8).
2. A power slide door drive mechanism assembly as claimed in claim 1, wherein: the tensioning wheel mechanism a (29-1) and the tensioning wheel mechanism b (29-2) respectively comprise a supporting pin shaft (17) arranged on the bottom plate of the mounting area b (3-2) and the mounting area c (3-3), and the tensioning wheel (20) and the tensioning wheel bracket (14) are sequentially sleeved on the supporting pin shaft (17); the tension wheel support (14) comprises a drop-shaped support body (14-1), a sleeve structure (14-2) is arranged on one side of the drop-shaped support body, a tension pin shaft (26) is arranged in the sleeve structure (14-2), and a tension spring (15) is arranged on the tension pin shaft (26); one end of the tensioning pin shaft (26) is arranged between the upright columns (3-7) of the mounting areas b (3-2) and c (3-3), and the other end of the tensioning pin shaft is arranged in a round hole of the inhaul cable shrinkage support (16); the inhaul cable contraction support (16) is arranged between the tension wheel (20) and the zipper leading-out opening.
3. A power slide door drive mechanism assembly as claimed in claim 2, wherein: the sleeve structure (14-2) and the tension pulley support body (14-1) are integrally formed, the sleeve structure (14-2) comprises an annular body (5) connected with the support body (14-1), a strip rib plate (6) is arranged on the surface of the sleeve on one side of the annular body (5), and a T-shaped rib plate (6-1) is arranged on the surface of the sleeve on the other side.
4. A power slide door drive mechanism assembly as claimed in claim 1, wherein: the driving shaft (7) penetrates through a center hole of the electromagnetic clutch (8), the electromagnetic clutch (8) comprises a clutch body (8-1), and a clutch plate (8-2), a spacer ring (8-3) and a dustproof spacer ring (8-4) are sequentially arranged on one side, close to the worm wheel (4), of the clutch body (8-1); a Hall sensor (9) is arranged on the clutch body (8-1); a clutch shell cover (10) arranged at the other side of the clutch body (8-1) is connected and fixed with the driving shell (3) through a fastening bolt; an output line box cover (11) is arranged on the clutch shell cover (10).
5. A power slide door drive mechanism assembly as claimed in claim 1, wherein: the middle hinge (30) of the sliding door is matched with the middle guide rail (19) of the sliding door, pulleys (27) are arranged on two sides of the middle guide rail (19) of the sliding door, the pulleys (27) are arranged on the pulley fixing seat (22), and the pulley fixing seat (22) is matched with the pulley fixing cover (23); a waterproof rubber cover (24) is arranged on the pulley fixing cover (23); the door opening guy cable (28-1) and the door closing guy cable (28-2) are respectively connected with a middle sliding door hinge (30) through a pulley (27), and the middle sliding door hinge (30) is arranged on one side of an opening of a middle sliding door guide rail (19); stay cable protective pipes (18) are arranged between the pulley (20) at one end of the guide rail in the sliding door and the first leading-out opening (3-5) and between the pulley (27) at the other end of the guide rail in the sliding door and the second leading-out opening (3-6).
6. A power slide door drive mechanism assembly as claimed in claim 1, wherein: the driving shell cover (13) is provided with a plurality of reinforcing ribs (21) which are combined with the pits (25).
Technical Field
The invention relates to the field of automobile sliding doors, in particular to an electric sliding door driving mechanism assembly for an automobile.
Background
In the electric sliding door of the automobile, the movement of the electric sliding door when the electric sliding door is opened and closed on the automobile is realized by winding the inhaul cable; when the first inhaul cable is wound by the inhaul cable winding and unwinding component, the inhaul cable pulls the electric sliding door to move towards one direction, and at the moment, the inhaul cable winding and unwinding component synchronously releases the second inhaul cable; when the second inhaul cable is wound by the inhaul cable winding and unwinding component, the second inhaul cable pulls the electric sliding door to move towards the other direction, and at the moment, the first inhaul cable is synchronously released by the inhaul cable winding and unwinding component, so that the electric sliding door can slide towards different directions; the electric sliding door driving mechanism in the prior art has some defects, firstly, the effect of absorbing the looseness of the zipper in the electric sliding door driving mechanism is poor, so that the precision of the driving mechanism is not high, and the action of opening and closing the door is delayed; secondly, as the helical gear in the door lock can be self-locked, the meshing load between the motor and the worm gear is large when the sliding door is switched between manual opening and closing and automatic opening and closing, so that great external force is required for manual opening; thirdly, the whole driving mechanism has large volume, heavy weight, inconvenient installation and higher production cost.
Disclosure of Invention
The invention aims to provide an electric sliding door driving mechanism assembly which is compact in structure, good in stability and high in door opening and closing accuracy; the technical problem is solved.
In order to achieve the technical purpose and achieve the technical requirements, the invention adopts the technical scheme that: an electric sliding door driving mechanism assembly comprises a driving shell cover and a driving shell; is characterized in that the interior of the driving shell comprises a mounting area a of a main reel, a mounting area b and a mounting area c of a tension wheel mechanism; the mounting areas b and c are symmetrically arranged on two sides of the mounting area a; a limit baffle is arranged between every two adjacent mounting areas; the main reel is provided with two pull cables which are reversely wound, and the door opening pull cable is led out from a first leading-out opening of the driving shell through a tension wheel mechanism a and is connected with a middle hinge of the sliding door; the door closing cable is led out from a second leading-out port of the driving shell through a tensioning wheel mechanism b and is connected with a middle hinge of the sliding door; the clutch shell cover is arranged outside the driving shell, a worm wheel is arranged between the clutch shell cover and the driving shell, a worm shaft arranged at the front end of the driving motor is matched with the worm wheel, and the worm wheel is connected with the driving shaft through an electromagnetic clutch.
Preferably: the tensioning wheel mechanism a and the tensioning wheel mechanism b respectively comprise a supporting pin shaft arranged on the bottom plates of the mounting area b and the mounting area c, and the tensioning wheel bracket are sequentially sleeved on the supporting pin shafts; the tension wheel support comprises a drop-shaped support body, a sleeve structure is arranged on one side of the drop-shaped support body, a tension pin shaft is arranged in the sleeve structure, and a tension spring is arranged on the tension pin shaft; one end of the tensioning pin shaft is arranged between the upright columns of the mounting areas b and c, and the other end of the tensioning pin shaft is arranged in a circular hole of the inhaul cable shrinkage support; the inhaul cable contraction bracket is arranged between the tension wheel and the zipper leading-out opening.
Preferably: the sleeve structure and the tension pulley support body are integrally formed, the sleeve structure comprises an annular body connected with the support body, a strip rib plate is arranged on the surface of the sleeve on one side of the annular body, and a T-shaped rib plate is arranged on the surface of the sleeve on the other side of the annular body.
Preferably: the driving shaft penetrates through a center hole of the electromagnetic clutch, the electromagnetic clutch comprises a clutch body, and a clutch plate, a spacer ring and a dustproof spacer ring are sequentially arranged on one side of the clutch body, which is close to the worm wheel; a Hall sensor is arranged on the clutch body; the clutch shell cover arranged on the other side of the clutch body is connected and fixed with the driving shell through a fastening bolt; an output line box cover is arranged on the clutch shell cover.
Preferably: the middle hinge of the sliding door is matched with the guide rail of the sliding door, pulleys are arranged on two sides of the guide rail of the sliding door, the pulleys are arranged on the pulley fixing seats, and the pulley fixing seats are matched with the pulley fixing covers; the door opening inhaul cable and the door closing inhaul cable are respectively connected with a middle hinge of the sliding door through pulleys, and the middle hinge of the sliding door is arranged on one side of an opening of a guide rail in the sliding door; stay cable protective pipes are arranged between the pulley at one end of the guide rail in the sliding door and the first leading-out opening and between the pulley at the other end of the guide rail in the sliding door and the second leading-out opening.
Preferably: the driving shell cover is provided with a plurality of rib plates which are combined with the pits.
The invention has the beneficial effects; an electric sliding door driving mechanism assembly, compared with the traditional structure: the tension wheel mechanism comprises a tension wheel and a tension wheel bracket, the tension wheel bracket is driven to rotate through the rotation of the tension wheel, a pin shaft with a tension spring is matched with a sleeve structure on one side of the tension wheel, the sleeve structure and the tension wheel bracket body are integrally formed, so that the tension spring is compressed through the rotation of the tension wheel bracket, the internal structure of the driving shell is more compact through the matching of the tension wheel mechanism and the stay cable bracket, and the loosening absorption effect on the stay cable is better when the vehicle door is opened and closed; the worm wheel is not directly connected with the driving shaft but connected with the driving shaft through the electromagnetic clutch, the electromagnetic clutch is closed to form transmission after being electrified, no-load is cut off after power is cut off, the meshing load between the motor and the worm wheel is not increased when the hand is switched automatically, and the force required for manually opening the vehicle door is reduced; the invention has the advantages of compact structure, good stability, good use effect, timely door opening and closing action, small volume, light weight, convenient installation and reduced production cost.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a schematic view of the driving housing of the present invention;
FIG. 3 is a schematic view of the internal assembly of the drive housing of the present invention;
FIG. 4 is a schematic view of the assembly of the drive housing and the drive housing cover according to the present invention;
FIG. 5 is a schematic view of the worm gear, worm shaft and clutch assembly of the present invention;
FIG. 6 is a schematic view of a tension wheel mechanism according to the present invention;
in the figure: 1. a drive motor; 2. a worm shaft; 3. a drive housing; 3-1. mounting area a; 3-2. mounting area b; 3-3. mounting area c; 3-4, a limit baffle; 3-5, a first lead-out port; 3-6, a second outlet; 4. a worm gear; 5. an annular body; 6. a strip rib plate; 6-1. T-shaped rib plates; 7. a drive shaft; 8. a clutch; 8-1, a clutch body; 9. a Hall sensor; 10. a clutch housing cover; 11. an output line box cover; 12. a primary zipper wheel; 13. a drive housing cover; 14. a tension roller bracket; 14-1. a stent body; 14-2. a sleeve structure; 15. a tension spring; 16. the stay cable contracts the bracket; 17. supporting the pin shaft; 18. protecting the stay cable; 19. a sliding door middle guide rail; 20. a tension wheel; 21. reinforcing ribs; 22. a pulley fixing seat; 23. a pulley fixing cover; 24. a water-proof rubber cover; 25. a pit; 26. tensioning the pin shaft; 27. a pulley; 28. a cable; 28-1, a door opening pull rope; 28-2, a door closing cable; 29. a tension wheel mechanism; 29-1, a tensioning wheel mechanism a; 29-2, a tensioning wheel mechanism b; 30. and a middle hinge of the sliding door.
Detailed Description
In order to make the objects, technical solutions and advantageous technical effects of the present invention clearer, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments;
in the accompanying fig. 1-6: an electric sliding door driving mechanism assembly comprises a
Specifically, the tension wheel mechanism a29-1 and the tension wheel mechanism b29-2 both comprise a supporting pin shaft 17 arranged on the bottom plate of the mounting area b3-2 and the mounting area c3-3, and the tension wheel 20 and the tension wheel bracket 14 are sequentially sleeved on the supporting pin shaft 17; the tension wheel bracket 14 comprises a drop-shaped bracket body 14-1, a sleeve structure 14-2 is arranged on one side of the drop-shaped bracket body, a
the sleeve structure 14-2 and the tension pulley support body 14-1 are integrally formed, the sleeve structure 14-2 comprises an
The driving shaft 7 penetrates through a center hole of the electromagnetic clutch 8, the electromagnetic clutch 8 comprises a clutch body 8-1, and a clutch plate 8-2, a space ring 8-3 and a dustproof space ring 8-4 are sequentially arranged on one side, close to the worm wheel 4, of the clutch body 8-1; a Hall sensor 9 is arranged on the clutch body 8-1; a clutch shell cover 10 arranged at the other side of the clutch body 8-1 is connected and fixed with the driving shell 3 through a fastening bolt; an output line box cover 11 is arranged on the clutch shell cover 10. The electromagnetic clutch is actuated to form transmission after being electrified, and is disconnected with no load after being powered off, so that the meshing load between the motor and the worm gear is not increased when the hand is switched automatically, and the force required by manually opening the vehicle door is reduced; the Hall sensor can feed back the driving distance, position and resistance to the control unit so as to control the electric control door lock, the transmission assembly and the inner and outer handles of the vehicle door to complete various logics of electric control door opening and closing.
The middle hinge 30 of the sliding door is matched with the middle guide rail 19 of the sliding door, pulleys 27 are arranged on two sides of the middle guide rail 19 of the sliding door, the pulleys 27 are arranged on the pulley fixing seat 22, and the pulley fixing seat 22 is matched with the pulley fixing cover 23; a waterproof rubber cover 24 is arranged on the pulley fixing cover 23; the pulley is protected; the door opening guy cable 28-1 and the door closing guy cable 28-2 are respectively connected with a middle hinge 30 of the sliding door through a pulley 27, so that the abrasion of the guys is reduced, and the service lives of the guys are prolonged; the sliding door middle hinge 30 is arranged at one side of the opening of the sliding door middle guide rail 19; the hinge in the sliding door can reciprocate along the guide rail in the sliding door; and the guy cable protective pipes 18 are arranged between the pulley 20 at one end of the guide rail in the sliding door and the first leading-out opening 3-5 and between the pulley 27 at the other end of the guide rail in the sliding door and the second leading-out opening 3-6, so that the guy cable is protected, the guy cable is prevented from being exposed outside, and the safety coefficient of use is improved.
A plurality of reinforcing ribs 21 are arranged on the
The working principle of the invention is as follows: the sliding door driver assembly is combined with the front and rear pulleys arranged on the middle guide rail to form a reciprocating mechanism; the opening and closing movement of the vehicle door is realized by connecting a middle hinge through a driving cable. The two ends of a main winding wheel of the driver are respectively wound with an opening and closing driving inhaul cable, the opening and closing driving inhaul cable is wound and released by the forward and reverse rotation of a driving motor, and the looseness of the inhaul cable during the opening and closing of the vehicle door is absorbed by an inhaul cable tensioning spring; the motor is used for reducing speed through a worm gear, increasing torque and transmitting the torque to a driving shaft (the motor can also control output torque by adjusting input current and voltage strength); the driving shaft and the worm wheel are not directly connected, but are attracted by the electromagnetic clutch after being electrified to form transmission, and the driving shaft and the worm wheel are disconnected after being powered off and do not load. In addition, a sensor is arranged on the side of the driving shaft, and can feed back the driving distance, position and resistance to the control unit so as to control the electric control door lock, the transmission assembly and the inner and outer handles of the vehicle door to complete various logics of electric control opening and closing.
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