CN109795418A - A kind of extension type step based on bus - Google Patents
A kind of extension type step based on bus Download PDFInfo
- Publication number
- CN109795418A CN109795418A CN201910097810.6A CN201910097810A CN109795418A CN 109795418 A CN109795418 A CN 109795418A CN 201910097810 A CN201910097810 A CN 201910097810A CN 109795418 A CN109795418 A CN 109795418A
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- connecting rod
- stepped plate
- vehicle body
- bus
- extension type
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Abstract
The present invention provides a kind of extension type step based on bus, including pedestal, column, driving mechanism and billboard;Stepped plate is located at below car door, first connecting rod and second connecting rod are additionally provided between stepped plate and vehicle body, wherein first connecting rod and second connecting rod parallel arrangement, and the both ends of first connecting rod and second connecting rod are hinged with stepped plate and vehicle body respectively, so that stepped plate remains horizontality in moving process;Vehicle body is equipped with driving mechanism, and stepped plate connect with driving mechanism, and is driven by driving mechanism from body bottom is protruding or inside withdrawal;The present apparatus drives stepped plate to stretch out when in use, by driving mechanism, and stepped plate remains horizontality in moving process, and facilitating passenger can trample when getting on or off the bus.
Description
Technical field
The present invention relates to vehicle-carried fields, and in particular to a kind of extension type step based on bus.
Background technique
Bus is the vehicles very universal in daily life, and class upper and lower for people commutes or goes out all very
It is convenient, however bus farther out due to the distance of bottom from the ground, can be felt when getting off when directly striding into bus from road surface
To cause high effort for it is inconvenient, be even more to cause sizable puzzlement especially for old man, child or passenger with weight, very
A kind of danger can extremely fall, wounded, it is therefore desirable to extension type platform reliable and stable, occupied area is small and safety is beautiful
Rank, in order to public transport vehicle passenger getting on/off vehicle.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of extension type step based on bus, to solve to carry on the back
The problem of proposed in scape technology.
A kind of extension type step based on bus, it is characterised in that: including pedestal, column, driving mechanism and bulletin
Board;
Stepped plate is located at below car door, first connecting rod and second connecting rod is additionally provided between stepped plate and vehicle body, wherein first
Connecting rod and second connecting rod parallel arrangement, and the both ends of first connecting rod and second connecting rod are hinged with stepped plate and vehicle body respectively, from
And stepped plate is made to remain horizontality in moving process;
Vehicle body is equipped with driving mechanism, and stepped plate connect with driving mechanism, and from driving mechanism drive from body bottom to
Outer stretching is inwardly withdrawn.
Preferably, first connecting rod and second connecting rod are equal, and the two and stepped plate and vehicle body together constitute parallelogram
Link mechanism;When first connecting rod and second connecting rod are rocked to vertical state, stepped plate is in outwardly directed from body bottom
Working condition.
Preferably, first connecting rod and second connecting rod are the decoupling rod of absorbable vibration.
Preferably, the upper surface of stepped plate is equipped with non-slip mat.
Preferably, first sensor for determining stepped plate maximum projecting position is also equipped on vehicle body and for determining
The second sensor of stepped plate maximum retrieving position.
Preferably, driving mechanism includes worm gear, worm screw and third connecting rod, and worm gear and worm screw are rotatablely connected with vehicle body, snail
Wheel engages connection with worm screw, and third connecting rod is parallel with first connecting rod and second connecting rod, and the first end and stepped plate of third connecting rod are cut with scissors
It connects, second end is fixedly connected with worm gear.
Preferably, worm screw is vertically arranged, and is fixedly and coaxially connected with car door shaft.
Preferably, swing rod is additionally provided on vehicle body, swing rod is located at the side of third connecting rod, and the first end and vehicle body of swing rod are cut with scissors
It connects, the other end is fixedly connected with damping baffle, and spring is also connected between swing rod and vehicle body;When stepped plate is in from body bottom
When outwardly directed working condition, third connecting rod and damping baffle are against each other.
Compared to the prior art, the beneficial effects of the present invention are:
1, it is provided with stepped plate in the structure basis of existing bus, parallel the is connected between stepped plate and vehicle body
One connecting rod and second connecting rod, two connecting rods make stepped plate remain horizontality when moving, and passenger can be facilitated to get on or off the bus
When can trample;Link mechanism improves the bearing capacity of device, and device additionally uses shock-damping structure and for limiting
The sensor of position, avoids product and breaks down in use;
2, Worm Wheel System is used in driving mechanism, and worm screw is fixedly connected with car door shaft, in the dynamic of bus
When Force system drives car door shaft rotating opening car door, worm screw will be rotated with it, it is no longer necessary to additional power mechanism driving
Worm screw is simplified device, and furthermore Worm Wheel System has self-locking performance, can increase the safety of device.
Detailed description of the invention
Fig. 1 is the left view of the extension type step proposed by the present invention based on bus;
Fig. 2 is the main view of the extension type step proposed by the present invention based on bus;
Fig. 3 is the partial enlargement diagram in Fig. 1 at A;
Appended drawing reference is as follows:
11- vehicle body, the first fixing seat of 12-, 21- transmission case, 22- worm gear, 23- worm screw, 24- third connecting rod, 25- transmission
Axis, 26- bearing, 27- end cap, 3- car door shaft, 41- first sensor, 42- second sensor, 43- controller, 51- step
Plate, 52- non-slip mat, 61- first connecting rod, 62- second connecting rod, 7- car door, 81- swing rod, 82- damping baffle, 83- spring.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.Term "inner",
The orientation or state relation of the instructions such as "upper", "lower" are orientation based on the figure or state relation, are merely for convenience of retouching
It states the present invention and simplifies description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore be not considered as limiting the invention;Description and claims of this specification and on
Stating the term " first " in attached drawing, " second " etc. is to be used to distinguish similar objects, without for describe specific sequence or
Precedence.It should be understood that the data used in this way are interchangeable under appropriate circumstances, so as to reality of the invention described herein
Apply example.
A kind of extension type step based on bus as shown in Figs. 1-3, including pedestal 1, column 3, driving mechanism and
Billboard 6;
Stepped plate 51 is located at 7 lower section of car door, and first connecting rod 61 and second connecting rod are additionally provided between stepped plate 51 and vehicle body 11
62, wherein first connecting rod 61 and second connecting rod 62 are arranged in parallel, and the both ends of first connecting rod 61 and second connecting rod 62 respectively with
Stepped plate 51 and vehicle body 11 are hinged, so that stepped plate 51 remains horizontality in moving process;
Vehicle body 11 is equipped with driving mechanism, and stepped plate 51 is connect with driving mechanism, and is driven by driving mechanism from vehicle body 11
Bottom is protruding or inside withdrawal.
The present apparatus is provided with stepped plate 51 in the structure basis of existing bus, is connected between stepped plate 51 and vehicle body
Parallel first connecting rod 61 and second connecting rod 63, two connecting rods make stepped plate 51 remain horizontality when moving, with side
Just passenger can trample when getting on or off the bus;In addition, vehicle body 11 be equipped with driving mechanism, for drive stepped plate 51 stretch out or
It withdraws.
In further specific setting, as shown in Figure 1,11 bottom of vehicle body is equipped with the first fixing seat 12 and second side by side
Fixing seat;The first end of first connecting rod 61 and the first fixing seat 12 are hinged, and second end and stepped plate 51 are hinged;Second connecting rod 62
First end and the second fixing seat are hinged, and second end and stepped plate 51 are hinged;Here first connecting rod 61 and second connecting rod 62 are equal, and two
Person and stepped plate 51 and vehicle body 11 together constitute parallelogram linkage, therefore just can in 51 moving process of stepped plate
It is always maintained at horizontality;In the present embodiment, when first connecting rod 61 and second connecting rod 62 are rocked to vertical state, stepped plate 51
In from the outwardly directed working condition in 11 bottom of vehicle body, passenger is trampled when on stepped plate 51 at this time, first connecting rod 61 and
The Impact direction of two connecting rods 62 is along vertical direction, also to can be reduced two connecting rods while improving 51 bearing capacity of stepped plate
Deformation extent, prolong the service life.
In the present embodiment, first connecting rod 61 and second connecting rod 62 are the absorbable decoupling rod vibrated, reduce passenger and step on
Vibration when stepped plate 51 is stepped on, the security and stability of device is improved;In addition, the upper surface of stepped plate 51 is additionally provided with non-slip mat
52。
In the present embodiment, driving mechanism includes worm gear 22, worm screw 23 and third connecting rod 24, and the first fixing seat 12 and second is solid
Transmission case 21 is equipped between reservation, worm gear 22 and worm screw 23 be arranged in transmission case 21, wherein worm gear 22 and worm screw 23 with
Vehicle body 11 is rotatablely connected, and worm gear 22 engages connection with worm screw 23;Third connecting rod 24 is parallel with first connecting rod 61 and second connecting rod 62,
The first end and stepped plate 51 of third connecting rod 24 are hinged, and second end is fixedly connected with worm gear 22;Worm Wheel System has self-locking
Property, the safety of device can be increased.
Further, for the ease of driving, worm screw 23 is vertically arranged, and first end is fixedly and coaxially connected with car door shaft 3,
Bearing 26 is socketed in its second end, bearing 26 is socketed on cabinet 21, is also connected on cabinet 21 for limited bearing 26
The end cap 27 set;After this structure, when the dynamical system of bus drives 3 rotating opening car door 7 of car door shaft, worm screw
23 will rotate with it, it is no longer necessary to which additional power mechanism drives worm screw 23, is simplified device;Due to bus
Car door 7 is usually split, therefore in the present embodiment, is equipped with worm gear 22 and worm screw 23, and the snail of two sides in 7 two sides of car door
Wheel 22 is installed on same transmission shaft 25.
As shown in figure 3, being additionally provided with swing rod 81 in the present embodiment on vehicle body 11, swing rod 81 is located at the side of third connecting rod 24,
The first end of swing rod 81 and vehicle body 11 are hinged, and the other end is fixedly connected with vertical damping baffle 82, swing rod 81 and vehicle body 11 it
Between be also connected with inclined spring 83;When stepped plate 51 is in working condition outwardly directed from 11 bottom of vehicle body, third connects
Against each other, when stepped plate 52 stretches out, connecting rod falls, swing rod 81 can subtract with damping baffle 82 for bar 24 and damping baffle 82
The impact that light connecting rod generates device, improves service life.
In the present embodiment, the first sensor 41 for determining 51 maximum projecting position of stepped plate is also equipped on vehicle body 11
With controller 43 for determining the second sensor 42 of the maximum retrieving position of stepped plate 51, is installed on vehicle body, controller 43 with
The control system of bus connects, and first sensor 41 and second sensor are connect with controller 43, when stepped plate 51 is flexible
When failure, system can sense positional fault and sound an alarm, safety when being used with enhancement device.
More than, it is merely preferred embodiments of the present invention, but scope of protection of the present invention is not limited thereto, it is any
Those familiar with the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its invents
Design is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of extension type step based on bus, it is characterised in that: including pedestal (1), column (3), driving mechanism and
Billboard (6);
Stepped plate (51) is located at below car door (7), and first connecting rod (61) and the are additionally provided between stepped plate (51) and vehicle body (11)
Two connecting rods (62), wherein first connecting rod (61) and second connecting rod (62) parallel arrangement, and first connecting rod (61) and second connecting rod
(62) both ends respectively with stepped plate (51) and vehicle body (11) hingedly so that stepped plate (51) is protected always in moving process
Water holding level state;
Vehicle body (11) is equipped with driving mechanism, and stepped plate (51) is connect with driving mechanism, and is driven by driving mechanism from vehicle body
(11) bottom is protruding or inside withdrawal.
2. the extension type step according to claim 1 based on bus, it is characterised in that: first connecting rod (61) and
Two connecting rods (62) are equal, and the two and stepped plate (51) and vehicle body (11) together constitute parallelogram linkage;When first
When connecting rod (61) and second connecting rod (62) are rocked to vertical state, stepped plate (51) is in outwardly directed from vehicle body (11) bottom
Working condition.
3. the extension type step according to claim 1 based on bus, it is characterised in that: first connecting rod (61) and
Two connecting rods (62) are the decoupling rod of absorbable vibration.
4. the extension type step according to claim 1 based on bus, it is characterised in that: the upper table of stepped plate (51)
Face is equipped with non-slip mat (52).
5. the extension type step according to claim 1 based on bus, it is characterised in that: vehicle body is also installed on (11)
Have for the first sensor (41) of determining table rank plate (51) maximum projecting position and is withdrawn for determining that stepped plate (51) is maximum
The second sensor (42) of position.
6. the extension type step according to claim 1 based on bus, it is characterised in that: driving mechanism includes worm gear
(22), worm screw (23) and third connecting rod (24), worm gear (22) and worm screw (23) with vehicle body (11) be rotatablely connected, worm gear (22) with
Worm screw (23) engagement connection, third connecting rod (24) is parallel with first connecting rod (61) and second connecting rod (62), third connecting rod (24)
Hingedly, second end is fixedly connected with worm gear (22) for first end and stepped plate (51).
7. the extension type step according to claim 6 based on bus, it is characterised in that: worm screw (23) vertical cloth
It sets, is fixedly and coaxially connected with car door shaft (3).
8. the extension type step according to claim 6 based on bus, it is characterised in that: vehicle body is additionally provided on (11)
Swing rod (81), swing rod (81) are located at the side of third connecting rod (24), the first end of swing rod (81) and vehicle body (11) hingedly, the other end
It is fixedly connected with damping baffle (82), spring (83) is also connected between swing rod (81) and vehicle body (11);At stepped plate (51)
When working condition outwardly directed from vehicle body (11) bottom, third connecting rod (24) and damping baffle (82) are against each other.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910097810.6A CN109795418B (en) | 2019-01-31 | 2019-01-31 | Retractable step based on bus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910097810.6A CN109795418B (en) | 2019-01-31 | 2019-01-31 | Retractable step based on bus |
Publications (2)
Publication Number | Publication Date |
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CN109795418A true CN109795418A (en) | 2019-05-24 |
CN109795418B CN109795418B (en) | 2023-09-15 |
Family
ID=66560856
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201910097810.6A Active CN109795418B (en) | 2019-01-31 | 2019-01-31 | Retractable step based on bus |
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CN (1) | CN109795418B (en) |
Cited By (8)
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---|---|---|---|---|
CN110341607A (en) * | 2019-08-13 | 2019-10-18 | 广州市东穗汽车用品有限公司 | A kind of automobile side pedal |
US10596971B2 (en) | 2001-10-16 | 2020-03-24 | Lund Motion Products, Inc. | Retractable vehicle step |
US10604077B2 (en) | 2013-09-27 | 2020-03-31 | Lund, Inc. | Modular rail and step system |
US10773670B2 (en) | 2015-06-05 | 2020-09-15 | Lund Motion Products, Inc. | Retractable step and side bar assembly for raised vehicle |
CN113043986A (en) * | 2021-04-09 | 2021-06-29 | 济南益星广告有限公司 | Bus antiskid auxiliary device |
US11173845B2 (en) | 2006-10-27 | 2021-11-16 | Lund Motion Products, Inc. | Retractable vehicle step |
US11260798B2 (en) | 2015-06-05 | 2022-03-01 | Lund Motion Products, Inc. | Horizontal retractable vehicle step |
US11926286B2 (en) | 2011-10-31 | 2024-03-12 | Lund Motion Products, Inc. | Retractable vehicle step |
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Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10759349B2 (en) | 2001-02-15 | 2020-09-01 | Lund Motion Products, Inc. | Retractable vehicle step |
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US11926286B2 (en) | 2011-10-31 | 2024-03-12 | Lund Motion Products, Inc. | Retractable vehicle step |
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US11713012B2 (en) | 2015-06-05 | 2023-08-01 | Lund Motion Products, Inc. | Retractable step and side bar assembly for raised vehicle |
US10773670B2 (en) | 2015-06-05 | 2020-09-15 | Lund Motion Products, Inc. | Retractable step and side bar assembly for raised vehicle |
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CN113043986A (en) * | 2021-04-09 | 2021-06-29 | 济南益星广告有限公司 | Bus antiskid auxiliary device |
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