The compound hinge grooved cam of a kind of plug sliding door spiral double rocking lever interblock space mechanism
Technical field
The present invention is a kind of, and what fill in that the compound hinge grooved cam of sliding door spiral double rocking lever interblock space mechanism relates to is that a kind of plug of vehicle sliding plug door draws the sealing mechanism for opening/closing, the compound hinge grooved cam of the spiral double rocking lever interblock space mechanism of particularly a kind of high ferro or other rail vehicle plugs sliding door.
Background technology
Rail vehicle plug sliding door is generally two fan or fans; To realize on the one hand when being two fans that two fans are split and the door leaf keying moving movement to closing; In the time of will realizing splitting on the other hand outwards or when closing inside door leaf plug roping moving, to guarantee to close good sealing effectiveness is arranged behind the door; To realize also when being a fan that above-mentioned plug draws sealing keying motion, only realize singly opening and single pass of a fan.
For realizing that this plug draws sealing to open and close function, existing both at home and abroad plug sliding door is divided into three types substantially:
1) the A type plug of homemade A company sliding door, along the x direction realize door to Push And Release, realize along the y direction that the plug roping is moving and reach sealing; But the main shaft along the x direction is moved is unfixing, and it moves along the y direction simultaneously, so main shaft stability is poor slightly; Physical dimension is big, and occupation space is big;
2) the Type B plug of external B company sliding door; Along the x direction realize door to Push And Release; The main shaft that the x direction moves is fixed; Good rigidly, the plug roping is moving to be the rocking bar swing of adopting around the rotation of x axle, drives the Sai La that double rocker mechanism is realized door; Its rigidity is better; But physical dimension is bigger, and work is filled in, and door leaf has an oscillating quantity up and down, the dynamic stability in the time of can influencing the door leaf high-speed switch when drawing;
3) the C type plug of external C company sliding door, equally along the x direction realize door to Push And Release, main shaft is fixed; It is to adopt around the four-bar mechanism of z axle rotation to realize that its rigidity is better that the plug roping of door is moved, and door leaf must support along the z direction of principal axis in reinforcement when drawing but do to fill in; Make physical dimension bigger, cost is higher.
How overcoming the prior art deficiency, make the design of plug sliding door can realize lightweight in light weight, that size is little, can realize reliability of moving-sealing and the economy that reduces cost again, is the problem that people are paying close attention to always and studying.
Summary of the invention
The present invention seeks to weak point to prior art; The compound hinge grooved cam of a kind of plug sliding door spiral double rocking lever interblock space mechanism is provided; Under the prerequisite that guarantees basic function, realize simplified structure, reduce the purpose of size and weight, reduction manufacturing cost, raising motion-sealing reliability.
The compound hinge grooved cam of a kind of plug sliding door spiral double rocking lever of the present invention interblock space mechanism takes following technical scheme to realize:
The compound hinge grooved cam of a kind of plug sliding door spiral double rocking lever of the present invention interblock space mechanism comprises motor, shaft coupling, screw rod, loaded axle, axle sleeve, nut, short rocking bar, takes a rocking bar (abbreviation rocking bar), connecting rod, door knob, roller, Roller Shaft, grooved cam, door leaf and door frame, and wherein screw rod, nut, door frame are formed screw mechanism; Loaded axle, axle sleeve, short rocking bar, rocking bar, connecting rod are formed double rocker mechanism; Loaded axle, rocking bar are formed grooved cam mechanism with roller, Roller Shaft, grooved cam, door knob, door leaf, door frame again; Small end is formed revolute pair with short rocking bar, and lower end and rocking bar, door knob are formed compound hinge, and said screw mechanism, double rocker mechanism and grooved cam mechanism connect and form the compound hinge grooved cam of spiral double rocking lever interblock space mechanism.
Door frame and car body concrete mutually; Motor fixing on the door frame links through shaft coupling and screw rod, and the screw rod other end also is consolidated in door frame, and nut is housed on the screw rod; Short rocking bar and nut are solidified as a whole and are called for short short rocking bar, can vertically move and do slightly to rotate around the screw rod centre of gyration along screw rod; Small end is formed revolute pair with short rocking bar, the lower end with take a rocking bar, door knob is formed compound hinge; The loaded axle two ends are fixed on the door frame, its Upper shaft sleeve with take a rocking bar concrete mutually and be called for short a rocking bar, take a rocking bar and can easily slide along the axis X direction of loaded axle, can rotate around axis X simultaneously; The door knob right-hand member connects firmly with screw with door leaf mutually, and Roller Shaft and roller are equipped with in the middle part, and roller can roll along grooved cam, and said grooved cam can adopt straight line to add broken line or other curve shape.
When the straight line portion of roller grooved cam in the drive lower edge of door knob moves, can drive and fill in the track that takes the air line of pulling, realize the Push And Release of door leaf; When roller is gone to the broken line part of grooved cam, then drive the plug sliding door and walk one section broken line, realize that the plug of door leaf draws compound motion.Can be provided with below the door leaf with above the roller grooved cam mechanism of symmetry, the characteristics that door leaf has symmetric support up and down, is synchronized with the movement then have better rigidity and stability in motion process.
The operating principle of mechanism of the present invention: motor gets electric back through the shaft coupling drive screw turns, and drive nut and upward short rocking bar thereof move as straight line along X-axis, and short rocking bar drives door knob through connecting rod and door leaf moves along the x direction, the Push And Release of realization door leaf; Because door knob and door leaf are passive movements; Roller is subjected to the restriction of grooved cam face on it; If grooved cam is designed to the geometry that straight line adds broken line; The straight line Push And Release of straight line control door leaf; Shown in double dot dash line among Fig. 1; And broken line forces door leaf to walk one section broken line, draws compound motion with the plug of realizing door leaf, shown in solid line among Fig. 1; Can clearly see the connection and the motion conditions of this space mechanism inside spin, double rocking lever, cam mechanism on the YOZ plane by Fig. 2.
Beneficial effect of the present invention: the plug that is used for high ferro or other rail vehicle plugs sliding door draws sealing and mechanism for opening/closing, requires door leaf to open and close rapidly, and plug draws sealing reliable.The compound hinge grooved cam of a kind of plug sliding door spiral double rocking lever of the present invention interblock space mechanism compares with above-mentioned domestic and international sliding plug door mechanism, has following characteristics:
1) the loaded axle two ends are fixed on the door frame, compare with the whole motion conditions of participating in of homemade A type sliding plug door bearing axle, and not only intensity, rigidity all have remarkable increase, and the motion parts quality descends greatly, can realize the lightweight of transmission mechanism;
2) compare with external Type B plug sliding door; Change the revolute pair in the middle of the rocking bar into form compound hinge by connecting rod, rocking bar, door knob; Directly drive the door knob door leaf; Can share the bearing capacity of rocking bar on the one hand; Make more compact structure on the other hand, and kept the good door leaf dynamic stability of Type B door, plug draws sealing reliability and characteristics such as the door leaf keying is rapid;
3) door knob on rocking bar and the door leaf is hinged; Make plug through cam mechanism and draw and open and close motion; It is stressed bigger; Dexterously itself and fixing loaded axle are hinged in the mechanism; On the one hand rocking bar intensity, rigidity are significantly improved, improved the supporting capacity and the kinetic stability of rocking bar self on the other hand greatly;
4) because the ingenious layout of each kinematic pair of mechanism makes that loaded axle, rocking bar are main bearing part, connecting rod is non-main bearing part; Stressing conditions improves on the one hand, makes that on the one hand short rocking bar corner is less, makes mechanism's fretting wear little; Lubricated being easy to realizes that transmission efficiency is higher.
5) sliding plug door mechanism of the present invention not only is suitable for the plug sliding door that common plug draws distance, also is fit to have the sliding plug door mechanism that the fine motion plug draws simultaneously, only needs this moment the geomery of adjustment grooved cam to get final product.
Description of drawings
Below will combine the embodiment accompanying drawing that the present invention is described further:
Fig. 1 is the plug sliding door space mechanism schematic diagram of motor coupler transmission of the present invention.
Fig. 2 is the plug sliding door YOZ of a space mechanism schematic plan view of the present invention.
Fig. 3 is the plug sliding door space mechanism schematic diagram of motor gear transmission of the present invention.
Fig. 4 is the plug sliding door space mechanism schematic diagram of motor Toothed Belts Gearing of the present invention.
The specific embodiment
With reference to accompanying drawing 1~4; The compound hinge grooved cam of a kind of plug sliding door spiral double rocking lever of the present invention interblock space mechanism comprises motor 1, shaft coupling 2, screw rod 3, loaded axle 4, axle sleeve 5, nut 6, short rocking bar 7, takes a rocking bar (abbreviation rocking bar) 8, connecting rod 9, door knob 10, roller 11, Roller Shaft 12, grooved cam 13, door leaf 14, door frame 15 compositions, and wherein screw rod 3, nut 6, door frame 15 are formed screw mechanisms; Loaded axle 4, axle sleeve 5, short rocking bar 7, rocking bar 8, connecting rod 9 are formed double rocker mechanism; Loaded axle 4, rocking bar 8 are formed grooved cam mechanism with roller 11, Roller Shaft 12, grooved cam 13, door knob 10, door leaf 14, door frame 15 again; Because revolute pair is formed with short rocking bar 7 in connecting rod 9 upper ends, lower end and rocking bar 8, door knob 10 are formed compound hinge, and said screw mechanism, double rocker mechanism and grooved cam mechanism connect and form the compound hinge grooved cam of spiral double rocking lever interblock space mechanism.
Door frame 15 and car body concrete mutually; Motor 1 fixing on the door frame 15 links through shaft coupling 2 and screw rod 3, and screw rod 3 other ends also are consolidated in door frame 15, and nut 6 is housed on the screw rod 3; Short rocking bar 7 is solidified as a whole with nut 6, can vertically move and do slightly to rotate around screw rod 3 centres of gyration along screw rod 3; Revolute pairs are formed with short rocking bar 7 in connecting rod 9 upper ends, the lower end with take a rocking bar 8, door knob 10 is formed compound hinge; Loaded axle 4 two ends are fixed on the door frame 15, its Upper shaft sleeve 5 with take a rocking bar 8 concrete mutuallies, take a rocking bar and can easily slide along the axis X direction of loaded axle 4, can rotate around axis X simultaneously; Door knob 10 right-hand members connect firmly with door leaf 14 usefulness screws mutually, and Roller Shaft 12 and roller 11 are equipped with in the middle part, and roller 11 can roll along grooved cam 13.Said grooved cam 13 adopts straight line to add broken line or other curve shape.
When the straight line portion of said roller 11 grooved cam 13 in the drive lower edge of door knob 10 moves, can drive and fill in the track that takes the air line of pulling, realize the Push And Release of door leaf 14; When said roller 11 is gone to the broken line part of grooved cam 13, then drive the plug sliding door and walk one section broken line, realize that the plug of door leaf 14 draws compound motion.
Be provided with below the said door leaf with above the roller grooved cam mechanism of symmetry, door leaf has symmetric support up and down, is synchronized with the movement, and then in motion process, has better rigidity and stability.
Can know by Fig. 1; The plug of filling in sliding door draws keying to move and can realize by following process: motor 1 gets electric back and passes through 3 rotations of shaft coupling 2 drive screws; Drive nut 6 and go up short rocking bar 7 and move as straight line along X-axis; Short rocking bar 7 drives door knob 10 through connecting rod 9 and door leaf 14 moves along the x direction, realizes the Push And Release of door leaf 14; Because door knob 10 is passive movements with door leaf 14; Roller 11 is subjected to the restriction of grooved cam 13 shapes on it; If grooved cam 13 is designed to the geometry that straight line adds broken line; The straight line Push And Release of straight line control door leaf 14; Shown in double dot dash line among Fig. 1; And broken line forces door leaf 14 to walk one section broken line, draws compound motion with the plug of realizing door leaf 14, shown in solid line among Fig. 1; Can clearly see the connection and the motion conditions of this space mechanism inside spin, double rocking lever, cam mechanism on the YOZ plane by Fig. 2.
Change motor among Fig. 1 into motor through a pair of gear or gear Toothed Belts Gearing through the shaft coupling transmission; Can obtain two embodiment respectively like Fig. 3, the compound hinge grooved cam of the sliding door spiral double rocking lever of plug shown in 4 interblock space mechanism; These two embodiment compare with Fig. 1 situation; Longitudinal size along directions X all reduces to some extent; When motor 1 is through gear 2A, 2B transmission among Fig. 3; Require gear that less sideshake is arranged, to guarantee transmission accuracy and application life; When motor 1 is through gear 2C, 2E and cingulum 2D transmission among Fig. 4, can further reduce rotational noise.
Beneficial effect of the present invention: the plug that is used for high ferro or other rail vehicle plugs sliding door draws sealing and mechanism for opening/closing, requires door leaf to open and close rapidly, and plug draws sealing reliable.The compound hinge grooved cam of plug sliding door spiral double rocking lever of the present invention interblock space mechanism compares with above-mentioned domestic and international sliding plug door mechanism, has following characteristics:
1) the loaded axle two ends are fixed on the door frame, compare with the whole motion conditions of participating in of homemade A type sliding plug door bearing axle, and not only intensity, rigidity all have remarkable increase, and the motion parts quality descends greatly, can realize the lightweight of transmission mechanism;
2) compare with external Type B plug sliding door; With the cancellation of the revolute pair in the middle of the rocking bar; Change the compound hinge of forming by connecting rod, rocking bar, door knob into; Directly drive the door knob door leaf; Can share the bearing capacity of rocking bar on the one hand; Make more compact structure on the other hand, and kept the good door leaf dynamic stability of Type B door, plug draws sealing reliability and characteristics such as the door leaf keying is rapid;
3) door knob on rocking bar and the door leaf is hinged; Make plug through cam mechanism and draw and open and close motion; It is stressed bigger; Dexterously itself and fixing loaded axle are hinged in the mechanism; On the one hand rocking bar intensity, rigidity are significantly improved, improved the supporting capacity and the kinetic stability of rocking bar self on the other hand greatly;
4) because the ingenious layout of each kinematic pair of mechanism makes that loaded axle, rocking bar are main bearing part, connecting rod is non-main bearing part; Stressing conditions improves on the one hand, makes that on the one hand short rocking bar corner is less, makes mechanism's fretting wear little; Lubricated being easy to realizes that transmission efficiency is higher.