CN101139904B - Automobile middle sliding door electric transmission system - Google Patents
Automobile middle sliding door electric transmission system Download PDFInfo
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- CN101139904B CN101139904B CN2007100709465A CN200710070946A CN101139904B CN 101139904 B CN101139904 B CN 101139904B CN 2007100709465 A CN2007100709465 A CN 2007100709465A CN 200710070946 A CN200710070946 A CN 200710070946A CN 101139904 B CN101139904 B CN 101139904B
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Abstract
An electrical drive system for an automobile center slide door is provided, which is an improvement of the prior basis of a base, a motor, a gear reducer mechanism, an electromagnetic clutch and winding wheels as well as front and rear bracing wires, etc., namely the winding wheels can be easily sleeved on an output shaft in a gear reducer mechanism; the center of the winding wheel is provided with a cavity; the electromagnetic clutch is put into the cavity; meanwhile, the movable plates of the electromagnetic clutch are fixed on the winding wheel; the fixed plates of the electromagnetic clutch are located on the output shaft. The electromagnetic clutch is placed into the cavity of the winding wheel, therefore, the overall device has the advantages of compact structure, small base volume and flexible installation; thus, the device can be conveniently mounted inside the vehicle body to guarantees all components not interfering with each other. In the next place, the invention adopts the simple structures of stretching springs or pre-stressed springs, so as to reach the target that all bracing wires can be prestressed at the beginning of installation. And what is more, the base is provided with a tensile device to guarantee that, during utilization, the bracing wires can always be maintained in a tensile working status without being loosened or dropped.
Description
Technical field
The present invention relates to a kind of open and close system of car door, specifically refer to the electric transmission system of slide in a kind of automobile.
Background technology
On middle-size and small-size passenger car, be provided with laterally opened middle slide usually in its vehicle body side, and should generally adopted manual mode to open or close by middle slide.But along with the development of car industry, this manually operated opening/shutting mode has seemed comparatively painstaking, inconvenient, also can't improve the class of existing automobile simultaneously.For this reason, people design DYN dynamic middle slide and come, as the Chinese patent application publication number is scheme " automatic opening and closing system for vehicle " of CN1651700A discloses, this system comprises motor, worm and worm gear, electromagnetic clutch and two hawsers, one end of each hawser is connected on the sliding door by the roll wheel assembly of vehicle front side and rear side, after the other end of each hawser is walked around the pulley that reverses that is positioned at the guide rail both ends respectively, repeatedly be wrapped in direction respect to one another in the corresponding hawser gathering sill of drum.When needs are electronic close in during slide, give the electromagnetic clutch coil power supply, make it be in the power transmission state, at this moment, starter motor, through the deceleration of worm and worm gear and the transmission of power of electromagnetic clutch, make the turning cylinder rotation of drum, and drive the drum rotation, at this moment, wherein velamen in two hawsers is wrapped on the drum, and another root discharges from drum, thereby middle slide is opened or closed.And when in the needs manual-lock during slide, then as long as cut off the power supply of electromagnetic clutch coil, in middle slide sliding process, worm and gear and axis of rotation can not rotate, just reduced the required power of slide in the manual operation widely, thereby both overcome the defective of manual mode, improved the flexibility and the simplification of operation again.
But in the said apparatus, because electromagnetic clutch is positioned at outside the drum, make the structure of driving unit complexity, volume is big, if will such driver element be installed in the inside of middle slide, then can interfere with similar items such as power window device in the middle slide, locking mechanisms, make each device size and installation site be subjected to certain constraint, reduce installation flexibility thus, also increased design cost simultaneously.
Summary of the invention
Technical problem to be solved by this invention is the situation at prior art, provide a kind of simple in structure, volume is little, sliding door electric transmission system in the automobile of being convenient to install.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: sliding door electric transmission system comprises the motor that is fixed in the base in this automobile, reducing gear, have moving, the electromagnetic clutch of still and reel, before, one end of backstay is connected on the middle slide by middle hinge respectively, the other end of described fore stay is then walked around the front jockey wheel that is bearing on the vehicle body, and after the other end of backstay walks around the back directive wheel that is supported on the vehicle body, before being somebody's turn to do, the other end of backstay stretches in the above-mentioned base again, be wrapped on the described reel with direction respect to one another, it is characterized in that: described reel is set on the output shaft of described reducing gear loosely, the middle part of this reel is provided with a cavity, above-mentioned electromagnetic clutch is contained in this cavity, and the moving plate of described electromagnetic clutch and described reel fix, and the still of described electromagnetic clutch then is positioned on the described output shaft.
As a further improvement on the present invention, described reel can be made up of fastening all-in-one-piece first line wheel and second line wheel, described second line wheel is enclosed within on the output shaft of described reducing gear loosely, the upper surface of this second line wheel is provided with recess, and the moving plate of described electromagnetic clutch is positioned at this recess bottom surface and is connected as a body with described second line wheel; And the Cross section Design of described first line wheel forms hollow structure circlewise, and is stacked on the upper surface of described second line wheel, and the recess of the hollow structure of this first line wheel and described second line wheel has formed described cavity jointly.The structure of this reel is convenient to processing and assembling.
The other end of described fore stay can be fixed on described first line wheel through first extension spring, and the other end of described backstay also can be fixed on described second line wheel by second extension spring, by means of each extension spring, can be initial in the drag-line assembling, just can reach the purpose of pretension drag-line, so both guaranteed assembly quality, and also can make the present invention can carry out the on-off action of middle slide reliably.
Certainly, the purpose of above-mentioned pretension drag-line can also realize by following structure, being about to reel is designed to by first line wheel and second line wheel are formed in relative rotation, the other end of fore stay directly is fixed on described first line wheel, the other end of backstay then is fixed on second line wheel, and between described second line wheel and the first line wheel tread, be provided with an arc groove, in this arc groove, place a preloading spring, one end of this preloading spring is fixed on described first line wheel, and the other end is positioned on described second line wheel.When drag-line is installed, wherein under the situation that line wheel is fixed, another line wheel can overcome the active force of above-mentioned preloading spring under the traction of drag-line, relatively rotate an angle, when drag-line assemble let go after, the revolution automatically under the effect of preloading spring of another line wheel can make drag-line be in tensioned state.
In the above-mentioned scheme that preloading spring is set, first line wheel and second line wheel can adopt following structure: second line wheel still is enclosed within on the output shaft of reducing gear loosely, the upper surface of second line wheel is provided with recess, the moving plate of electromagnetic clutch is positioned at this recess bottom surface, and is connected as a body with second line wheel; And first line wheel is designed to the cylindrical shell that the bottom has through hole, the latter half lateral surface of this cylindrical shell and described recess inwall fit, the edge of through hole is sandwiched between the moving plate and recess bottom surface of electromagnetic clutch, the first half lateral surface of this cylindrical shell is mutually concordant with described second line wheel lateral surface, for twining corresponding drag-line, the recess bottom surface of the inner barrel of described first line wheel and described second line wheel has surrounded described cavity jointly.After adopting such structure, can hold electromagnetic clutch on the one hand, two lines wheel was both relatively rotated, can link by above-mentioned preloading spring again, realize that both rotate together.
Preferably be with preceding flexible pipe outside the fore stay between described front jockey wheel and described base, also be with rear hose outside the backstay between back directive wheel and base equally, the position that enters base at forward and backward flexible pipe is good to be provided with tensioning apparatus respectively, each tensioning apparatus can comprise the joint that is fixed on the U-shaped fixed cover in the base and is fixed on corresponding hose end, and described fixed cover is set in outside the described joint, is provided with the compression spring between the bottom of this fixed cover and joint end.During use,, make each drag-line remain certain pretightning force, and such tensioning device structure is simple, can guarantees the smooth and easy slip of forward and backward drag-line again by the effect of compression spring.
Compared with prior art, because electromagnetic clutch of the present invention is placed in the cavity of reel, so whole apparatus structure compactness, can reduce the base volume significantly, with conserve space, improve installation flexibility, thereby can make the present invention be installed in interior of body easily, guarantee mutually noninterfere between parts.Secondly, utilize the simple structure of extension spring or preloading spring, make drag-line just can reach the purpose of pretension at the assembling initial stage.Moreover the tensioning apparatus that is provided with on base guarantees in use, and drag-line remains at the duty of tensioning and loosening going offline reaches simple in structure, and cost is low, the purpose of reliable operation.
Description of drawings
Fig. 1 is the vehicle schematic side view that the embodiment of the invention is installed;
Fig. 2 is the structural representation of the embodiment of the invention;
Fig. 3 is the upward view of Fig. 2;
Fig. 4 be among Fig. 2 A-A to the sectional view of first embodiment;
Fig. 5 is connected schematic diagram between fore stay and first line wheel for first extension spring among Fig. 4;
Fig. 6 be among Fig. 2 B-B to sectional view;
Fig. 7 be among Fig. 2 A-A to the sectional view of second embodiment;
Fig. 8 is the connection diagram of first, second line wheel and preloading spring among Fig. 7.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Embodiment 1, and as Fig. 1 to Fig. 4, sliding door electric transmission system comprises motor 2, reducing gear, electromagnetic clutch and the reel that is fixed in the base 3 in this automobile, and wherein, base 3 is fixed on the vehicle body by three installation feet 8.Reducing gear is made of the driven gear 11 that is installed in the driving gear 10 on motor 2 main shafts and be meshed with driving gear, and the output shaft 17 of driven gear is bearing in the base 3 by bearing.Electromagnetic clutch adopts conventional structure, and it includes moving plate 12, still 16 and coil 18, and still 16 and coil 18 are positioned on the main body of electromagnetic clutch, and are provided with spring leaf 13 between moving plate 12 and the electromagnetic clutch main body, can axial float to allow moving plate 12.The front side vehicle body at slide 1 middle part is provided with front jockey wheel 7a in the correspondence, and directive wheel 7b after on the rear side vehicle body, being equipped with, the end of fore stay 4a, backstay 4b is connected on the middle slide 1 by middle hinge 6 respectively, the other end of fore stay 4a is then walked around above-mentioned front jockey wheel 7a, after the other end of backstay 4b is walked around above-mentioned back directive wheel 7b, the other end of this forward and backward drag-line stretches in the base 3 again, is wrapped on the reel with direction respect to one another.
In the present embodiment, above-mentioned reel is made up of fastening all-in-one-piece first line wheel 14 and second line wheel 15, sees also Fig. 4, and second line wheel 15 is enclosed within on the output shaft 17 of driven gear loosely, and the upper surface of this second line wheel 15 is provided with recess; And the Cross section Design of first line wheel 14 forms hollow structure circlewise, and is stacked on the upper surface of second line wheel 15, and the recess of the hollow structure of this first line wheel 14 and second line wheel 15 has formed a cavity jointly.Above-mentioned electromagnetic clutch is accommodated in this cavity, and promptly the moving plate 12 of electromagnetic clutch also is enclosed within on the output shaft 17 loosely, and moving plate 12 is positioned at this recess bottom surface, is connected as a body with second line wheel 15; The main body of electromagnetic clutch then is positioned on the output shaft 17 by flat key, with the purpose that realizes rotating with output shaft.
The other end of above-mentioned fore stay 4a is fixed on first line wheel 14 through first extension spring 21, sees also Fig. 5, and the other end of backstay then is fixed on second line wheel by second extension spring.When the forward and backward drag-line of assembling, each extension spring is stretched in advance like this, in case loose one's grip after the assembling of forward and backward drag-line is finished, under the effect of each extension spring restoring force, forward and backward drag-line is tightened automatically, thereby reaches the purpose of pretension drag-line.
Simultaneously; in order to protect drag-line; fore stay 4a between front jockey wheel 7a and the base 3 is with preceding flexible pipe 5a outward; be with rear hose 5b outside the backstay 4b between back directive wheel 7b and base 3 equally; so both can prolong the application life of each drag-line; can change the installation site of base, to satisfy the installation needs of different automobile types by adjusting the length of each flexible pipe again simultaneously.
Consider in the running, before, backstay can become flexible, preceding, the position that rear hose enters base also is provided with tensioning apparatus, because the structure of each tensioning apparatus is identical, the tensioning apparatus that now former flexible pipe enters the base position is that example is illustrated, see also Fig. 6, this tensioning apparatus comprises U-shaped fixed cover 22 that is fixed in the base 3 and the joint 24 that is fixed on preceding flexible pipe 5a end, and fixed cover 22 is set in outside the joint 24, be provided with compression spring 23 between the bottom of this fixed cover 22 and joint 24 ends, fore stay 4a shuttles back and forth successively in joint 24 and fixed cover 22.In the use, utilize the elasticity of this compression spring 23, flexible pipe 5a and joint 24 can forward and backwardly move before making, and guarantee that fore stay is loosening to go offline.
In addition, in the reel side encoder 9 of routine techniques is installed also, this encoder is meshed with the gear wheel 20 that is positioned at first line wheel upper end by pinion 19, and the position of slide 1 is exported pulse then in knowing automatically, with stopping of control motor 2.
During use, starter motor 2 gives the electromagnetic clutch coil 18 energisings simultaneously, at this moment, the moving plate 12 and the still 16 of electromagnetic clutch are in attracting state, the rotation of electric machine main shaft, after driving gear 10, driven gear 11 transmissions, make output shaft 17 rotations, and drive first, second line wheel rotation.When fore stay 4a was wrapped on first line wheel 14, backstay 4b discharged from second line wheel 15, thereby slide 1 is to left movement (seeing Fig. 3) in making by middle hinge 6, the action of closing the door of middle slide.Otherwise when backstay 4 was wrapped on second line wheel 15, fore stay 4a discharged from first line wheel 14, and slide moves right in making by middle hinge 6, the action of opening the door of middle slide.
The motor outage, behind the electromagnetic clutch coil losing electricity, under the effect of spring leaf 13, moving plate 12 is in off-state with still 16, and at this moment, middle slide 1 just can adopt manual mode to open or close action.
The structure of first line wheel, 14 ' and second line wheel 15 is: second line wheel 15 still is enclosed within on the output shaft 17 loosely, and the upper surface of second line wheel 15 is provided with recess.And first line wheel 14 ' is designed to the cylindrical shell that the bottom has through hole 27, and the latter half lateral surface of this cylindrical shell and second line are taken turns 15 recess inwalls and fitted, and promptly second line wheel 15 is enclosed within on first line wheel, 14 ' second position, and both can be relatively rotated; Then to take turns 15 lateral surfaces mutually concordant with second line for the first half lateral surface of this cylindrical shell, for twining corresponding drag-line.After adopting such structure, make the inner barrel of first line wheel 14 ' and the recess bottom surface of second line wheel 15 surround above-mentioned cavity jointly, hold for electromagnetic clutch, at this moment, the moving plate 12 of electromagnetic clutch also is enclosed within on the output shaft 17 loosely, and be positioned at this recess bottom surface, and be connected as a body with second line wheel; And the through hole edge 26 of going up art first line wheel 14 ' is sandwiched between the moving plate 12 and recess bottom surface of electromagnetic clutch, so that radial and axial can both the location of first line wheel 14 '; The main body of electromagnetic clutch is positioned on the output shaft 17 by flat key.When forward and backward drag-line is installed, if wherein line wheel is fixing, under the effect of drag-line, overcome preloading spring 25, make another line wheel rotating certain angle, loose one's grip after assembling is finished, another line wheel is in the effect turning down of preloading spring 25 restoring forces, and obviously such scheme can realize the purpose of pretension drag-line equally.
During work, after 18 energisings of electromagnetic clutch coil, moving plate 12 and still 16 are in attracting state, under the rotation of electric machine main shaft, by behind driving gear, driven gear, output shaft, the electromagnetic clutch, when driving the rotation of second line wheel, also drive first line wheel by preloading spring then and rotate successively, identical with the operating principle of above-mentioned first embodiment, the unlatching of slide or close in can realizing.
Claims (6)
1. sliding door electric transmission system in the automobile, it comprises the motor (2) that is fixed in the base (3), reducing gear, have moving, still (12,16) electromagnetic clutch and reel, before, backstay (4a, end 4b) is connected on the middle slide (1) by middle hinge (6) respectively, the other end of described fore stay (4a) is then walked around the front jockey wheel (7a) that is bearing on the vehicle body, and after the other end of backstay (4b) walks around the back directive wheel (7b) that is supported on the vehicle body, before being somebody's turn to do, the other end of backstay stretches in the above-mentioned base (3) again, be wrapped on the described reel with direction respect to one another, it is characterized in that: described reel is set on the output shaft (17) of described reducing gear loosely, the middle part of this reel is provided with a cavity, above-mentioned electromagnetic clutch is contained in this cavity, and the moving plate of described electromagnetic clutch (12) fixes with described reel, and the still of described electromagnetic clutch (16) then is positioned on the described output shaft (17).
2. sliding door electric transmission system in the automobile according to claim 1, it is characterized in that: described reel is made up of fastening all-in-one-piece first line wheel (14) and second line wheel (15), described second line wheel (15) is enclosed within on the output shaft (17) of described reducing gear loosely, the upper surface of this second line wheel (15) is provided with recess, and the moving plate of described electromagnetic clutch (12) is positioned at this recess bottom surface and is connected as a body with described second line wheel (15); And the Cross section Design of described first line wheel (14) forms hollow structure circlewise, and is stacked on the upper surface of described second line wheel (15), and the recess of the hollow structure of this first line wheel (14) and described second line wheel (15) has formed described cavity jointly.
3. sliding door electric transmission system in the automobile according to claim 2, it is characterized in that: the other end of described fore stay (4a) is fixed on described first line wheel (14) through first extension spring (21), and the other end of described backstay then is fixed on described second line wheel by second extension spring.
4. sliding door electric transmission system in the automobile according to claim 1, it is characterized in that: described reel is made up of relatively turnable first line wheel (14 ') and second line wheel (15), the other end of described fore stay (4a) directly is fixed on described first line wheel (14 '), the other end of described backstay (4b) then is fixed on second line wheel (15), and between described second line wheel (15) and first line wheel (14 ') contact surface, be provided with an arc groove (28), in this arc groove, place a preloading spring (25), one end of this preloading spring (25) is fixed on described first line wheel (14 '), and the other end is positioned on described second line wheel (15).
5. sliding door electric transmission system in the automobile according to claim 4, it is characterized in that: described second line wheel (15) is enclosed within on the output shaft (17) of described reducing gear loosely, the upper surface of this second line wheel (15) is provided with recess, the moving plate of described electromagnetic clutch (12) is positioned at this recess bottom surface, and is connected as a body with described second line wheel (15); And described first line wheel is designed to the cylindrical shell that the bottom has through hole (27), the latter half lateral surface of this cylindrical shell and described recess inwall fit, the edge of described through hole (26) is sandwiched between the moving plate (12) and recess bottom surface of described electromagnetic clutch, it is mutually concordant that the first half lateral surface of this cylindrical shell and described second line are taken turns (15) lateral surface, for twining corresponding drag-line, the recess bottom surface of the inner barrel of described first line wheel (14 ') and described second line wheel (15) has surrounded described cavity jointly.
6. according to sliding door electric transmission system in the described automobile of the arbitrary claim of claim 1 to 5, it is characterized in that: be with preceding flexible pipe (5a) outside the fore stay (4a) between described front jockey wheel (7a) and described base (3), the outer rear hose (5b) that is with of backstay (4b) between described back directive wheel (7b) and the described base (3), preceding, the position that rear hose enters base is respectively arranged with tensioning apparatus, each tensioning apparatus comprises the joint (24) that is fixed on the U-shaped fixed cover (22) in the base and is fixed on corresponding hose end, and described U-shaped fixed cover (22) is set in outside the described joint (24), is provided with compression spring (23) between the bottom of this U-shaped fixed cover (22) and joint (24) end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100709465A CN101139904B (en) | 2007-08-22 | 2007-08-22 | Automobile middle sliding door electric transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100709465A CN101139904B (en) | 2007-08-22 | 2007-08-22 | Automobile middle sliding door electric transmission system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101139904A CN101139904A (en) | 2008-03-12 |
| CN101139904B true CN101139904B (en) | 2011-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100709465A Active CN101139904B (en) | 2007-08-22 | 2007-08-22 | Automobile middle sliding door electric transmission system |
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| Country | Link |
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| CN (1) | CN101139904B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206722629U (en) * | 2017-05-12 | 2017-12-08 | 广东肇庆爱龙威机电有限公司 | Actuator and car door automatic pick equipment for car door automatic pick equipment |
| CN109591001B (en) * | 2018-12-17 | 2024-04-12 | 中国科学院深圳先进技术研究院 | Transmission device |
| DE102020210230A1 (en) * | 2020-08-12 | 2022-02-17 | Witte Automotive Gmbh | Drive device and sliding door |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5138795A (en) * | 1990-04-25 | 1992-08-18 | General Motors Corporation | Power sliding door closer |
| US5737875A (en) * | 1995-09-20 | 1998-04-14 | Mitsui Kinzoku Kogyo Kabushiki Kaisha | Tension apparatus of a vehicle door powered sliding device |
| US5913563A (en) * | 1996-04-04 | 1999-06-22 | Mitsui Kinzoku Kogyo Kabushiki Kaisha | Powered sliding device for vehicle sliding door |
| CN1651700A (en) * | 2004-01-22 | 2005-08-10 | 株式会社美姿把 | Automatic opening and closing system for vehicle |
| CN1880716A (en) * | 2005-06-17 | 2006-12-20 | 株式会社美姿把 | Sliding door opening and closing device |
-
2007
- 2007-08-22 CN CN2007100709465A patent/CN101139904B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5138795A (en) * | 1990-04-25 | 1992-08-18 | General Motors Corporation | Power sliding door closer |
| US5737875A (en) * | 1995-09-20 | 1998-04-14 | Mitsui Kinzoku Kogyo Kabushiki Kaisha | Tension apparatus of a vehicle door powered sliding device |
| US5913563A (en) * | 1996-04-04 | 1999-06-22 | Mitsui Kinzoku Kogyo Kabushiki Kaisha | Powered sliding device for vehicle sliding door |
| CN1651700A (en) * | 2004-01-22 | 2005-08-10 | 株式会社美姿把 | Automatic opening and closing system for vehicle |
| CN1880716A (en) * | 2005-06-17 | 2006-12-20 | 株式会社美姿把 | Sliding door opening and closing device |
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| Publication number | Publication date |
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| CN101139904A (en) | 2008-03-12 |
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