CN1313299C - Passenger car movig ladder device - Google Patents
Passenger car movig ladder device Download PDFInfo
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- CN1313299C CN1313299C CNB2005100571390A CN200510057139A CN1313299C CN 1313299 C CN1313299 C CN 1313299C CN B2005100571390 A CNB2005100571390 A CN B2005100571390A CN 200510057139 A CN200510057139 A CN 200510057139A CN 1313299 C CN1313299 C CN 1313299C
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- level
- stay bearing
- step plate
- plate
- bearing plate
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Abstract
The present invention discloses a moving staircase device of a passenger vehicle, which comprises a vehicle body and a cylinder arranged on the vehicle body. The present invention has the improvement that one end of a first level step plate is movably connected with the vehicle body, and the other end of the first level step plate is movably connected with one end of a first level support plate; the other end of the first level support plate is movably connected with one end of a second level step plate, and the other end of the second level step plate is movably connected with one end of a second level support plate; the other end of the second level support plate is movably connected with the vehicle body, and the second level support plate is in alignment with the connection point and the floor of the vehicle body; the output shaft of the cylinder is connected with the connection points of the first level support plate and the second level step plate. The moving staircase device of the present invention is used for passengers to get on and get off the vehicle, and the device can be in alignment with the foot steps of a staircase and the floor of a carriage after the device is unfolded; an original gap formed in the carriage by the staircase is filled to enhance safety and eliminate potential safety hazard, and a floor area occupied by the staircase can be reasonably utilized, and the effectively utilized space of the passenger vehicle is enlarged.
Description
Technical field
The present invention relates to a kind of folding stair mechanism, especially be applied to the folding stair device of passenger vehicle.
Background technology
Along with rapid development of economy, especially express highway builds up in a large number, is open to traffic, formed complete express highway network gradually, highway passenger transportation increases greatly in the ratio of whole passenger transport market, and number of passenger cars on hand recoverable amount especially middle-grade and high-grade bus increases obvious especially.Domestic bus industry is in order to adapt to the needs of express highway transportation, and especially safety, the passenger from vehicular drive takes advantage of the aspects such as traveling comfort of seat to consider, the chassis of centering, high-grade bus has all been done to increase, increase the weight of to handle; Simultaneously, utilize interior space, to obtain high as far as possible capacity utilization as far as possible.For the interior space utilization of long-distance bus, manufacturer sets about from improving capacity utilization, has taked a lot of new designs, makes the space, compartment obtain utilizing preferably.But in the prior art, to passenger vehicle, especially middle-grade and high-grade bus is a blank to the utilization of stair always; Taken floor area certain in the compartment for the step plate of passenger upper and lower used stair, this floor area is rationally utilized always.Middle and high shelves passenger vehicle generally all has two for the upper and lower step plate of passenger, and stairway step commonly used is maximum with the two-stage; Common stair are located at the car front portion, one is located at the car middle part, the floor area that the step plate of two stair has taken adds just many together, and the floor area that should be taken by stair does not use always, has reduced passenger capacity or has reduced the space of depositing one's luggage etc.; Simultaneously, on the automobile of running at high speed, the breach that the step plate of two stair forms in the compartment is again a potential safety hazard, has reduced the safety performance of car load, exists by potential safety hazards such as tumble injuries.
Summary of the invention
The present invention is directed to that floor area that the step plate of prior art microbus stair takies has rationally been utilized, reduced the capacity utilization of passenger vehicle and the step plate breach of stair is deficiencies of a potential safety hazard, the floor area that the step plate of stair takies provides a kind of retractable folding stair device, so that can rationally be utilized.
Technical scheme of the present invention: a kind of passenger vehicle folding stair device, comprise car body, be arranged on the cylinder on the car body, be arranged on one-level step plate, one-level stay bearing plate, secondary step plate, secondary stay bearing plate on the car body, when one-level step plate and secondary step plate are horizontal, one-level stay bearing plate and secondary stay bearing plate are in vertical position, and one-level step plate, one-level stay bearing plate, secondary step plate, secondary stay bearing plate are formed the two stage steps of stair; Its improvements are: an end of one-level step plate and described car body flexibly connect, one end of the other end of one-level step plate and one-level stay bearing plate flexibly connects, one end of the other end of one-level stay bearing plate and secondary step plate flexibly connects, one end of the other end of secondary step plate and secondary stay bearing plate flexibly connects, the other end of secondary stay bearing plate and described car body flexibly connect, and the secondary stay bearing plate is concordant with the floor of car body with the point of connection of described car body; The output shaft of described cylinder is connected with the point of connection of one-level stay bearing plate with the secondary step plate;
Described car body is provided with the bracing reinforcement spare more than one or; When one-level step plate and secondary step plate are horizontal, contact with bracing reinforcement spare.
Folding stair device of the present invention at first uses for the passenger as the step plate that the passenger gets on and off; Again can be after cylinder control to be stretched out, tread is concordant with floor compartment, has not only filled up the breach that former stair form in the compartment, has increased safety, has eliminated potential safety hazard; And the floor area that the step plate of stair can be taken rationally uses, and improved the capacity utilization of vehicle, and what increased passenger vehicle effectively utilizes the space.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing:
Accompanying drawing is a stair apparatus structure scheme drawing of the present invention.
The specific embodiment
In figure, 1-one-level step plate, 2-one-level stay bearing plate, 3-secondary step plate, 4-secondary stay bearing plate, 5-car body, 6-cylinder, 7-master cock, 8-bracing reinforcement spare, 9-locating dowel pin.
Folding stair of the present invention is made up of one-level step plate 1, one-level stay bearing plate 2, secondary step plate 3, secondary stay bearing plate 4, one end of one-level step plate 1 and car body 5 flexibly connect, one end of the other end of one-level step plate 1 and one-level stay bearing plate 2 flexibly connects, one end of the other end of one-level stay bearing plate 2 and secondary step plate 3 flexibly connects, one end of the other end of secondary step plate 3 and secondary stay bearing plate 4 flexibly connects, the other end of secondary stay bearing plate 4 flexibly connects mutually with car body 5, and secondary stay bearing plate 4 is concordant with the floor of car body 5 with the point of connection of car body 5; Above-mentioned one-level step plate 1 and the movable connection method of secondary stay bearing plate 4 with car body 5 can be adopted hinged; Movable connection method between one-level step plate 1, one-level stay bearing plate 2, secondary step plate 3, the secondary stay bearing plate 4 is to satisfy it both to link together each other, can not have the ground of obstruction again and rotates mutually, can adopt modes such as bearing pin connection.When one-level step plate 1 and secondary step plate 3 were horizontal, one-level stay bearing plate 2 was in the vertical position perpendicular with it with secondary stay bearing plate 4; One-level step plate 1, one-level stay bearing plate 2, secondary step plate 3, secondary stay bearing plate 4 are formed the two stage steps of stair.
Simultaneously, in order to gain in strength, to the application force of trampling of tread, the bracing reinforcement spare 8 that can be provided with more than one or is reinforced one-level step plate 1 and secondary step plate 3 when guaranteeing to bear passenger getting on/off.Bracing reinforcement spare 8 is installed on the car body 5, is arranged on one-level step plate 1 and secondary step plate 3 belows; When one-level step plate 1 and secondary step plate 3 are horizontal, just contact with bracing reinforcement spare 8.
When secondary step plate 3 of the present invention and secondary stay bearing plate 4 move to the position that parallels with ground in the compartment,, a locating dowel pin 9 is set at least below secondary step plate 3 and secondary stay bearing plate 4 in order to increase its intensity and to limit its position.Locating dowel pin 9 is installed on the car body 5, both can also can control it by cylinder by electromagnetic valve stretches out or withdraws, its mode both can be separated control respectively, generation effect separately with cylinder 6, also can link with cylinder 6, when secondary step plate 3 and secondary stay bearing plate 4 move to above-mentioned level attitude, locating dowel pin 9 Be Controlled are stretched ejection, secondary step plate 3 and secondary stay bearing plate 4 are held spacing, have supporting role simultaneously again; Locating dowel pin 9 had both limited the position of secondary step plate 3 and secondary stay bearing plate 4, had guaranteed the fastness on floor again, increased its intensity.The mode of locating dowel pin 9, the annexation with control setup, gas circuit annexation (when adopting pressure gas) etc. all can adopt prior art, as prior art, are not described further at this.
A preferred embodiment of the present invention: the equal in length of one-level step plate 1, one-level stay bearing plate 2, secondary step plate 3, secondary stay bearing plate 4, its width is decided according to the step plate width of the stair breach of former vehicle itself, adapts with the width of this breach.Said length, the length of one-level step plate 1 is from flexibly connecting point with car body 5, to with the distance of the flexible connection point of one-level stay bearing plate 2, the length of one-level stay bearing plate 2 be from the point of connection that flexibly connects with one-level step plate 1, to the distance of secondary step plate 3 flexible connections; The length of secondary step plate 3, secondary stay bearing plate 4 is identical implications with the length of above-mentioned one-level step plate 1 and one-level stay bearing plate 2.The equal in length of above-mentioned four plates, except having preferably interchangeability, the angle β of the axis of the output shaft of cylinder 6 and horizontal direction is 45 °, is convenient to work such as installation, maintenance.
Principle of work of the present invention: the A condition shown in the figure solid line supplies passenger's state up and down for this device as stair, and the B state shown in the dotted line is the state of this device as floor compartment; Shown in A condition: when vehicle stops, one-level step plate 1 is horizontal with secondary step plate 3, one-level stay bearing plate 2 is in vertical position with secondary stay bearing plate 4, bracing reinforcement spare 8 be in one-level step plate 1 and/or secondary step plate 3 below, the output shaft of cylinder 6 is in the cylinder; When apparatus of the present invention are in A condition the second order stair, for the upper and lower usefulness of passenger.Shown in the B state, after vehicle ', in the time of need filling up the breach of stair, just start cylinder 6, the output shaft of cylinder 6 is protruding, driving one-level stay bearing plate 2 simultaneously moves with secondary step plate 3, one-level stay bearing plate 2 and secondary step plate 3 drive the point of connection rotation that one-level step plate 1 and secondary stay bearing plate 4 flexibly connect around itself and car body 5 respectively again respectively, reaching one-level step plate 1 at last is on the same perpendicular line with one-level stay bearing plate 2, secondary step plate 3 is on the same horizon with secondary stay bearing plate 4, this moment, locating dowel pin 9 stretched out under control, and secondary step plate 3 and secondary stay bearing plate 4 are held.This device is in the B state, at this moment, the secondary step plate 3 of this device is concordant with ground, compartment with secondary stay bearing plate 4, filled up the breach that former stair form in the compartment, secondary step plate 3 and a part of ground of secondary stay bearing plate 4 as the compartment, can further be utilized, and one-level step plate 1 is in plumbness with one-level stay bearing plate 2, is equivalent to a part of car door.When starting cylinder 6, its output shaft just drives one-level step plate 1, one-level stay bearing plate 2, secondary step plate 3, secondary stay bearing plate 4 and inwardly withdraws after inwardly shrinking, and is returned to A condition, finishes a circulation.
Claims (7)
1, a kind of passenger vehicle folding stair device, comprise car body (5), be arranged on the cylinder (6) on the car body (5), be arranged on one-level step plate (1), one-level stay bearing plate (2), secondary step plate (3), secondary stay bearing plate (4) on the car body (5), one-level step plate (1) and secondary step plate (3) are when being horizontal, one-level stay bearing plate (2) is in vertical position with secondary stay bearing plate (4), and one-level step plate (1), one-level stay bearing plate (2), secondary step plate (3), secondary stay bearing plate (4) are formed the two stage steps of stair; It is characterized in that: an end of one-level step plate (1) and described car body (5) flexibly connect, one end of the other end of one-level step plate (1) and one-level stay bearing plate (2) flexibly connects, one end of the other end of one-level stay bearing plate (2) and secondary step plate (3) flexibly connects, one end of the other end of secondary step plate (3) and secondary stay bearing plate (4) flexibly connects, and the other end of secondary stay bearing plate (4) and described car body (5) flexibly connect; The output shaft of described cylinder (6) is connected with the point of connection of one-level stay bearing plate (2) with secondary step plate (3).
2, passenger vehicle folding stair device according to claim 1 is characterized in that: described car body (5) is provided with the bracing reinforcement spare (8) more than one or; One-level step plate (1) and secondary step plate (3) contact with bracing reinforcement spare (8) when being horizontal.
3, passenger vehicle folding stair device according to claim 1 and 2 is characterized in that: locating dowel pin (9) is set on described car body (5); Secondary step plate (3), when secondary stay bearing plate (4) is on the same horizon, locating dowel pin (9) is below secondary step plate (3) and secondary stay bearing plate (4).
4, passenger vehicle folding stair device according to claim 1 and 2 is characterized in that: described secondary stay bearing plate (4) is concordant with the floor of car body (5) with the point of connection of car body (5).
5, passenger vehicle folding stair device according to claim 3 is characterized in that: described secondary stay bearing plate (4) is concordant with the floor of car body (5) with the point of connection of car body (5).
6, passenger vehicle folding stair device according to claim 4, it is characterized in that: the equal in length of described one-level step plate (1), one-level stay bearing plate (2), secondary step plate (3), secondary stay bearing plate (4), the output shaft axis of cylinder (6) and horizontal direction angle are 45 °.
7, passenger vehicle folding stair device according to claim 5, it is characterized in that: the equal in length of described one-level step plate (1), one-level stay bearing plate (2), secondary step plate (3), secondary stay bearing plate (4), the output shaft axis of cylinder (6) and horizontal direction angle are 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100571390A CN1313299C (en) | 2005-06-23 | 2005-06-23 | Passenger car movig ladder device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100571390A CN1313299C (en) | 2005-06-23 | 2005-06-23 | Passenger car movig ladder device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1709748A CN1709748A (en) | 2005-12-21 |
| CN1313299C true CN1313299C (en) | 2007-05-02 |
Family
ID=35706055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100571390A Expired - Fee Related CN1313299C (en) | 2005-06-23 | 2005-06-23 | Passenger car movig ladder device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1313299C (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3305774A1 (en) * | 1983-02-19 | 1984-08-23 | Linke-Hofmann-Busch, Waggon-Fahrzeug-Maschinen Gmbh, 3320 Salzgitter | Multi-step entrance for vehicles, in particular for rail vehicles, located in the profile of the vehicle |
| CN2174387Y (en) * | 1993-12-20 | 1994-08-17 | 粟戎生 | Motor field command vehicle |
| EP0688919A1 (en) * | 1994-06-24 | 1995-12-27 | GEBR. HAPPICH GmbH | Construction assembly, in particular for buses |
| US5651579A (en) * | 1995-09-14 | 1997-07-29 | Motor Coach Industries Limited | Stairway for a motor coach |
| CN1420048A (en) * | 2001-11-16 | 2003-05-28 | 塔尔戈奥伊公司 | Communicating passage in double-decked passenger train |
-
2005
- 2005-06-23 CN CNB2005100571390A patent/CN1313299C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3305774A1 (en) * | 1983-02-19 | 1984-08-23 | Linke-Hofmann-Busch, Waggon-Fahrzeug-Maschinen Gmbh, 3320 Salzgitter | Multi-step entrance for vehicles, in particular for rail vehicles, located in the profile of the vehicle |
| CN2174387Y (en) * | 1993-12-20 | 1994-08-17 | 粟戎生 | Motor field command vehicle |
| EP0688919A1 (en) * | 1994-06-24 | 1995-12-27 | GEBR. HAPPICH GmbH | Construction assembly, in particular for buses |
| US5651579A (en) * | 1995-09-14 | 1997-07-29 | Motor Coach Industries Limited | Stairway for a motor coach |
| CN1420048A (en) * | 2001-11-16 | 2003-05-28 | 塔尔戈奥伊公司 | Communicating passage in double-decked passenger train |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1709748A (en) | 2005-12-21 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070502 |