CN105438079A - Folding motor home tread plate ladder - Google Patents
Folding motor home tread plate ladder Download PDFInfo
- Publication number
- CN105438079A CN105438079A CN201510954116.3A CN201510954116A CN105438079A CN 105438079 A CN105438079 A CN 105438079A CN 201510954116 A CN201510954116 A CN 201510954116A CN 105438079 A CN105438079 A CN 105438079A
- Authority
- CN
- China
- Prior art keywords
- support arm
- pedal
- running
- tread plate
- board bracket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R3/00—Arrangements of steps or ladders facilitating access to or on the vehicle, e.g. running-boards
- B60R3/02—Retractable steps or ladders, e.g. movable under shock
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R3/00—Arrangements of steps or ladders facilitating access to or on the vehicle, e.g. running-boards
- B60R3/002—Running boards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R3/00—Arrangements of steps or ladders facilitating access to or on the vehicle, e.g. running-boards
- B60R3/007—Removable steps or ladders, e.g. foldable
Abstract
The invention discloses a folding motor home tread plate ladder. The problem that existing fixed motor home tread plate ladders occupy internal space of motor homes is mainly solved. The folding motor home tread plate ladder comprises a fixing base and a first tread plate. The folding motor home tread plate ladder is characterized in that the fixing base is composed of a fixing transverse beam and two fixing plates symmetrically connected to the two sides of the fixing transverse beam; first tread plate frames are symmetrically fixed to the two sides of the first tread plate respectively; the far end of each first tread plate frame is bent and warped upwards; first supporting arms are arranged between the fixing plates and the far ends of the corresponding first tread plate frames which are arranged on the same side with the fixing plates; second supporting arms are arranged between the fixing plates and the positions near bent parts of the corresponding first tread plate frames which are arranged on the same side with the fixing plates; first positioning grooves are formed in the second supporting arms; the lower ends of the first supporting arms are locked in the first positioning grooves when the first tread plate is opened to the extreme position; tension springs used for locking the first tread plate are arranged between the fixing plates and the positions near the lower ends of the corresponding first supporting arms which are arranged on the same side with the fixing plates. The folding motor home tread plate ladder is simple in structure, reliable to use, convenient to operate and small in occupied space.
Description
Technical field
The present invention relates to the ladder be arranged on vehicle, particularly a kind of collapsible caravan pedal ladder be applicable on caravan.
Background technology
We know, there is certain distance on the car door distance ground of caravan, and therefore, pedal ladder, as the portable tool got on and off, is the requisite part of caravan.At present, caravan pedal ladder is generally fixed type, and its main pedal and the connecting panel composition being positioned at pedal both sides be weldingly fixed on the car body of caravan by connecting panel, and the pedal of lowermost end away from ground, to reduce the impact with ground, will increase the service life.Meanwhile, for reaching the compact object of car body, pedal ladder normally wants depression to be fixed on vehicle body, and the pedal ladder of this structure takies caravan inner space.
Summary of the invention
There is to overcome existing fixed type caravan pedal ladder the deficiency taking caravan inner space, the invention provides a kind of structure simple, use reliable, easy to operate, take up room little collapsible caravan pedal ladder.
The technical solution adopted for the present invention to solve the technical problems is: a kind of collapsible caravan pedal ladder, it comprises a permanent seat and one first pedal, it is characterized in that: described permanent seat is made up of fixed cross beam and symmetrical two adapter plates being connected to fixed cross beam both sides, in the both sides of the first described pedal, symmetry is fixed with the first overhanging running-board bracket respectively, the far-end of each the first running-board bracket is bending to be upwarped, one first support arm is rotationally connected between the adapter plate and the far-end of the first running-board bracket of homonymy, one second support arm is rotationally connected between the adapter plate and the nearly curve of the first running-board bracket of homonymy, be in the adapter plate of homonymy, first support arm, first running-board bracket and the second support arm form scalene four-bar mechanism, the second described support arm offers the first positioning groove, and the bottom of the first support arm is opened end position at the first pedal and is locked in this first positioning groove, between the adapter plate and the nearly bottom of the first support arm of homonymy, be provided with extension spring, this extension spring is at the first pedal and opens or retrieving position locks the first pedal.
Further technical scheme of the present invention is: a kind of collapsible caravan pedal ladder, it also comprises one second pedal, in the both sides of the second described pedal, symmetry is fixed with the second overhanging running-board bracket respectively, the far-end of each the second running-board bracket is bending to be upwarped, the extended end of the second support arm is rotatably connected on the far-end of the second running-board bracket of homonymy, between the nearly curve and the pars intermedia of the first running-board bracket of the second running-board bracket of homonymy, be rotationally connected one the 3rd support arm, the first running-board bracket of homonymy, the second support arm, the second running-board bracket, the 3rd support arm form scalene four-bar mechanism; The 3rd described support arm offers the second positioning groove, and the extension end of the second support arm is opened end position at the second pedal and is locked in this second positioning groove.
The 3rd described support arm is crankle shape.
The present invention is symmetrically fixed with the first overhanging running-board bracket respectively in the both sides of the first pedal, the far-end K/UP of the first running-board bracket upwarps, the first support arm is provided with between the adapter plate and the far-end of the first running-board bracket of homonymy, the second support arm is provided with between the adapter plate and the nearly curve of the first running-board bracket of homonymy, second support arm offers the first positioning groove, the bottom of the first support arm is opened end position at the first pedal and is locked in the first positioning groove, and its structure is simple, reasonable in design; Between the adapter plate and the nearly bottom of the first support arm of homonymy, be provided with the extension spring of locking first pedal, this extension spring the first pedal be in open or retrieving position time lock the first pedal, it uses reliable, easy to operate; By the push-and-pull to the first running-board bracket, can realize opening and withdrawal of pedal ladder, it takes up room little.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is the open mode structural representation of one embodiment of the present invention,
Fig. 2 is the retracted state structural representation of Fig. 1 embodiment,
Fig. 3 is the open mode structural representation of another embodiment of the present invention,
Fig. 4 is the retracted state structural representation of Fig. 3 embodiment.
Mark in figure: 1. permanent seat, 101. fixed cross beams, 102. adapter plates, 2. the first support arm, 3. the second support arm, 4. the first pedal, 5. the first running-board bracket, 6. the first positioning groove, 7. extension spring, 8. the second pedal, 9. the second running-board bracket, 10. the 3rd support arm, 11. second positioning grooves.
Detailed description of the invention
embodiment 1
In FIG, a kind of collapsible caravan pedal ladder, it comprises permanent seat 1 and one first pedal 4.
As shown in Figure 1, permanent seat 1 is made up of fixed cross beam 101 and two adapter plates 102 being symmetrically welded at fixed cross beam 101 both sides.Fixed cross beam 101 can use conventional welding method to be fixed on vehicle frame, also by having mounting hole thereon, then can be fixedly connected with vehicle frame by bolt.For the ease of dismounting, in this enforcement, adopt and have mounting hole at fixed cross beam, then with bolt, fixed cross beam 101 is fastened on vehicle frame.
As shown in Figure 1, in the both sides of the first pedal 4, symmetry is fixed with the first overhanging running-board bracket 5 respectively, and the far-end of each the first running-board bracket 5 is bending to be upwarped.
In FIG, between the adapter plate 102 and the far-end of the first running-board bracket 5 of homonymy, be rotationally connected one first support arm 2, between the adapter plate 102 and the nearly curve of the first running-board bracket 5 of homonymy, be rotationally connected one second support arm 3.In FIG, adapter plate 102, first support arm 2, first running-board bracket 5 and the second support arm 3 that are in homonymy form scalene four-bar mechanism, by the push-and-pull to the first running-board bracket 5, can realize opening or regaining of the first pedal 4.
As shown in Figure 1 and Figure 2, the bottom the second support arm 3 offering the first positioning groove 6, first support arm 2 is locked in this first positioning groove 6 when the first pedal 4 opens to end position.
As shown in Figure 1, extension spring 7 is provided with between the adapter plate 102 and the nearly bottom of the first support arm 2 of homonymy, extension spring 7 is separately fixed on adapter plate 102 and the first support arm 2 by screw, this extension spring 7 the first pedal 4 be in open or retrieving position time lock the first pedal 4.When the first pedal 4 opens to end position, extension spring 7 pulls the first support arm 2, in the first positioning groove 6 making its bottom tightly be stuck on the second support arm 3, for the first pedal 4 provides effective support.As shown in Figure 2, when the first pedal 4 is regained, extension spring 7 pulls the first support arm 2, makes it drive on the first pedal 4 and carries, final locking the first pedal 4 retrieving position.
It should be noted that, above-mentioned being rotationally connected can be realized by usual manners such as hinged, riveted joints, in the present embodiment, is rotationally connected and is realized by riveted joint.
embodiment 2
As shown in Figure 3, a kind of collapsible caravan pedal ladder, compared to embodiment 1, further, it also comprises one second pedal 8.
As shown in Figure 3, in the both sides of the second pedal 8, symmetry is fixed with the second overhanging running-board bracket 9 respectively, and the far-end of each the second running-board bracket 9 is bending to be upwarped.
The extended end of the second support arm 3 is rotatably connected on the far-end of the second running-board bracket 9 of homonymy, one the 3rd support arm 10 is rotationally connected between the nearly curve and the pars intermedia of the first running-board bracket 5 of the second running-board bracket 9 of homonymy, in figure 3, first running-board bracket 5, second support arm 3, second running-board bracket 9 of homonymy, the 3rd support arm 10 form scalene four-bar mechanism, by the push-and-pull to the first running-board bracket 5 and/or the second running-board bracket 9, opening or regaining of pedal ladder can be realized.
For reaching stable stressed object, as shown in Figure 3, the 3rd support arm 10 is in crankle shape.
As shown in Figure 3,4, the extension end the 3rd support arm 10 offering the second positioning groove 11, second support arm 3 is locked in this second positioning groove 11 when the second pedal 8 opens to end position.As shown in Figure 3, when the second pedal 8 opens to end position, the extension end of the second support arm 3 is tightly stuck in the second positioning groove 11 on the 3rd support arm 10, for the second pedal 8 provides effective support.
Structure of the present invention is simple, uses reliable, easy to operate, takes up room little.
Claims (3)
1. a collapsible caravan pedal ladder, it comprises a permanent seat and one first pedal, it is characterized in that: described permanent seat is made up of fixed cross beam and symmetrical two adapter plates being connected to fixed cross beam both sides, in the both sides of the first described pedal, symmetry is fixed with the first overhanging running-board bracket respectively, the far-end of each the first running-board bracket is bending to be upwarped, one first support arm is rotationally connected between the adapter plate and the far-end of the first running-board bracket of homonymy, one second support arm is rotationally connected between the adapter plate and the nearly curve of the first running-board bracket of homonymy, be in the adapter plate of homonymy, first support arm, first running-board bracket and the second support arm form scalene four-bar mechanism, the second described support arm offers the first positioning groove, and the bottom of the first support arm is opened end position at the first pedal and is locked in this first positioning groove, between the adapter plate and the nearly bottom of the first support arm of homonymy, be provided with extension spring, this extension spring is at the first pedal and opens or retrieving position locks the first pedal.
2. the collapsible caravan pedal ladder of one according to claim 1, it is characterized in that: a kind of collapsible caravan pedal ladder, it also comprises one second pedal, in the both sides of the second described pedal, symmetry is fixed with the second overhanging running-board bracket respectively, the far-end of each the second running-board bracket is bending to be upwarped, the extended end of the second support arm is rotatably connected on the far-end of the second running-board bracket of homonymy, one the 3rd support arm is rotationally connected between the nearly curve and the pars intermedia of the first running-board bracket of the second running-board bracket of homonymy, first running-board bracket of homonymy, second support arm, second running-board bracket, 3rd support arm forms scalene four-bar mechanism, the 3rd described support arm offers the second positioning groove, and the extension end of the second support arm is opened end position at the second pedal and is locked in this second positioning groove.
3. the collapsible caravan pedal ladder of one according to claim 2, is characterized in that: the 3rd described support arm is crankle shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510954116.3A CN105438079A (en) | 2015-12-20 | 2015-12-20 | Folding motor home tread plate ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510954116.3A CN105438079A (en) | 2015-12-20 | 2015-12-20 | Folding motor home tread plate ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105438079A true CN105438079A (en) | 2016-03-30 |
Family
ID=55548867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510954116.3A Pending CN105438079A (en) | 2015-12-20 | 2015-12-20 | Folding motor home tread plate ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105438079A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106585476A (en) * | 2016-12-29 | 2017-04-26 | 福建毅宏专用汽车有限公司 | Foldable stairs applied to motorhome |
| CN106671859A (en) * | 2016-12-29 | 2017-05-17 | 福建毅宏专用汽车有限公司 | Recreational vehicle with expandable carriage space |
| CN108454518A (en) * | 2018-06-01 | 2018-08-28 | 安普勒格汽车科技（苏州）有限公司 | Folding motorcar electric pedal |
| WO2018166255A1 (en) * | 2017-03-13 | 2018-09-20 | 杭州天铭科技股份有限公司 | Foot pedal apparatus and vehicle with same |
| CN109334574A (en) * | 2018-11-30 | 2019-02-15 | 徐工集团工程机械有限公司 | Pedal structure and working truck |
| CN111071157A (en) * | 2018-10-19 | 2020-04-28 | 宝沃汽车（中国）有限公司 | Pedal telescoping device and vehicle |
| CN112277812A (en) * | 2020-10-30 | 2021-01-29 | 东风商用车有限公司 | Commercial vehicle electric getting-on step, mounting structure and telescoping method thereof |
| WO2022115048A1 (en) * | 2020-11-27 | 2022-06-02 | Vandapac Co., Ltd. | Vehicle side ladder |
| CN109334574B (en) * | 2018-11-30 | 2024-04-30 | 江苏徐工工程机械研究院有限公司 | Pedal structure and work vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3807757A (en) * | 1972-05-22 | 1974-04-30 | H Carpenter | Folding steps for campers and the like |
| US4108457A (en) * | 1976-08-09 | 1978-08-22 | Dale Garrett | Camper steps |
| DE10127584A1 (en) * | 2001-05-29 | 2002-12-05 | Omnistor Accessories N V | Folding steps for caravan have edging strips on each side of treads, hinged levers being attached to edging strips, each lever being made up of two strips |
| CN204415262U (en) * | 2015-01-23 | 2015-06-24 | 河北览众专用汽车制造有限公司 | A kind of scalable car of stepping on of improvement is marked time |
| CN205239343U (en) * | 2015-12-20 | 2016-05-18 | 荣成康派斯新能源车辆有限公司 | Foldable car as a house footboard ladder |
-
2015
- 2015-12-20 CN CN201510954116.3A patent/CN105438079A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3807757A (en) * | 1972-05-22 | 1974-04-30 | H Carpenter | Folding steps for campers and the like |
| US4108457A (en) * | 1976-08-09 | 1978-08-22 | Dale Garrett | Camper steps |
| DE10127584A1 (en) * | 2001-05-29 | 2002-12-05 | Omnistor Accessories N V | Folding steps for caravan have edging strips on each side of treads, hinged levers being attached to edging strips, each lever being made up of two strips |
| CN204415262U (en) * | 2015-01-23 | 2015-06-24 | 河北览众专用汽车制造有限公司 | A kind of scalable car of stepping on of improvement is marked time |
| CN205239343U (en) * | 2015-12-20 | 2016-05-18 | 荣成康派斯新能源车辆有限公司 | Foldable car as a house footboard ladder |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106585476A (en) * | 2016-12-29 | 2017-04-26 | 福建毅宏专用汽车有限公司 | Foldable stairs applied to motorhome |
| CN106671859A (en) * | 2016-12-29 | 2017-05-17 | 福建毅宏专用汽车有限公司 | Recreational vehicle with expandable carriage space |
| CN106671859B (en) * | 2016-12-29 | 2023-02-03 | 福建毅宏专用汽车有限公司 | Can extend car as a house in carriage space |
| WO2018166255A1 (en) * | 2017-03-13 | 2018-09-20 | 杭州天铭科技股份有限公司 | Foot pedal apparatus and vehicle with same |
| US10272842B2 (en) | 2017-03-13 | 2019-04-30 | T-Max (Hangzhou) Technology Co., Ltd | Running board device and vehicle having the same |
| CN108454518A (en) * | 2018-06-01 | 2018-08-28 | 安普勒格汽车科技（苏州）有限公司 | Folding motorcar electric pedal |
| CN111071157A (en) * | 2018-10-19 | 2020-04-28 | 宝沃汽车（中国）有限公司 | Pedal telescoping device and vehicle |
| CN111071157B (en) * | 2018-10-19 | 2021-09-07 | 宝沃汽车（中国）有限公司 | Pedal telescoping device and vehicle |
| CN109334574A (en) * | 2018-11-30 | 2019-02-15 | 徐工集团工程机械有限公司 | Pedal structure and working truck |
| CN109334574B (en) * | 2018-11-30 | 2024-04-30 | 江苏徐工工程机械研究院有限公司 | Pedal structure and work vehicle |
| CN112277812A (en) * | 2020-10-30 | 2021-01-29 | 东风商用车有限公司 | Commercial vehicle electric getting-on step, mounting structure and telescoping method thereof |
| WO2022115048A1 (en) * | 2020-11-27 | 2022-06-02 | Vandapac Co., Ltd. | Vehicle side ladder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160330 |
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| WD01 | Invention patent application deemed withdrawn after publication |