CN203129938U - Drawing foldable boarding ladder - Google Patents

Drawing foldable boarding ladder Download PDF

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Publication number
CN203129938U
CN203129938U CN 201320123740 CN201320123740U CN203129938U CN 203129938 U CN203129938 U CN 203129938U CN 201320123740 CN201320123740 CN 201320123740 CN 201320123740 U CN201320123740 U CN 201320123740U CN 203129938 U CN203129938 U CN 203129938U
Authority
CN
China
Prior art keywords
ladder
pedal
housing
guide rail
boarding ladder
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.)
Expired - Fee Related
Application number
CN 201320123740
Other languages
Chinese (zh)
Inventor
周炬
苏金英
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanhua University
University of South China
Original Assignee
University of South China
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by University of South China filed Critical University of South China
Priority to CN 201320123740 priority Critical patent/CN203129938U/en
Application granted granted Critical
Publication of CN203129938U publication Critical patent/CN203129938U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a drawing foldable boarding ladder. The drawing foldable boarding ladder comprises a guide rail (1), an upper ladder frame (2), a lower ladder frame (3) and pedals (4), wherein kidney slots are formed in the two sides of the guide rail (1), the upper ladder frame (2) is composed of left and right longitudinal beams (21), front transverse beams (22) and shaft sleeves (23); the lower ladder frame (3) comprises an outer frame (31), rear cross beams (32), steady pins (33), shaft sleeves (34) and wheel shafts (35), and the wheel shafts (35) on the two outer side of the outer frame (31) are arranged in the kidney slots in the guide rail (1); and the front ends of the pedals (4) are arranged on the left and right longitudinal beams (21) through pedal shafts (41) and the shaft sleeves (23), and the rear ends of the pedals (4) are arranged on the two inner sides of the outer frame (31) through the pedal shafts (41) and the shaft sleeves (34). The drawing foldable boarding ladder is relatively small in size, and after the drawing foldable boarding ladder is folded and stored, the thickness of the drawing foldable boarding ladder is less than 60mm, so that the installation space is greatly saved; due to the ingenious application of a parallelogram mechanism, the drawing foldable boarding ladder can be rapidly and flexibly unfolded and stored; and as man-machine engineering factors are fully considered, when the drawing foldable boarding ladder is unfolded for working, a 50-degree included angle is formed between the drawing foldable boarding ladder and the ground, so that the comfort level of staffs climbing up and off the ladder is improved.

Description

Pull folds access step
Technical field
The utility model relates to a kind of car device of stepping on, and is particularly a kind of for the folding access step of pull of vehicles such as van-type refitted car and shelter up and down.
Background technology
In some van-type refitted cars and shelter vehicle, its chassis is higher relatively, and the staff must be by access step could come in and go out up and down compartment or shelter.The most structure of using of access step is single at present, operation is loaded down with trivial details, duration of run is long, and profile is huge, need take bigger installing space.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art and provide a kind of profile small and exquisite, and is easy for installation, is convenient to launch and the folding access step of pull of folding storage.
The technical solution of the utility model is: a kind of pull folds access step, is made up of guide rail, last ladder, following ladder and pedal, and guide rail is " U " shape, and bilateral symmetry is provided with kidney slot; Last ladder is made up of left and right longeron, front beam and axle sleeve, and the front beam two ends are welded on respectively on the left and right longeron, and the axle sleeve that is used for the installation pedal is positioned at left and right longeron; Following ladder is made up of housing, rear cross beam, axle sleeve and wheel shaft, housing is " U " shape, and the rear cross beam two ends are welded on respectively on the housing, and housing two inboards are useful on the axle sleeve that pedal is installed, wheel shaft is positioned at housing two outsides, and the wheel shaft in housing two outsides is installed in the kidney slot of guide rail; Pedal shaft is installed on the pedal, and the front end of pedal is installed on the left and right longeron by pedal shaft and axle sleeve, and the rear end of pedal is installed in housing two inboards by pedal shaft and axle sleeve.
The further technical scheme of the utility model is: the fixed pin holes that connects with steady pin on the housing is arranged at the guide rail top, and outer arch has the steady pin that connects with the fixed pin holes at guide rail top.
The utility model further technical scheme again is: the cylindrical protrusions of regular arrangement on the pedal.
The utility model is used for adopting as above design, compared with prior art, has following characteristics:
1, external form is less, and is thick less than 60mm behind the folding storage, saved installing space significantly;
2, the ingenious parallelogram sturcutre that used can be rapidly, neatly with its expansion and collection;
3, taken into full account the human engineering key element, when access step is organized work, with the ground angle be 50 °, increased staff's comfort level of access step up and down.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Below in conjunction with the drawings and specific embodiments detailed construction of the present utility model is further described.
The specific embodiment
As shown in Figure 1: a kind of pull folds access step, is made up of guide rail 1, last ladder 2, following ladder 3 and pedal 4, and guide rail 1 is " U " shape, and bilateral symmetry is provided with kidney slot 11, and fixed pin holes 12 is arranged at the top; Last ladder 2 is made up of left and right longeron 21, front beam 22 and axle sleeve 23, and front beam 22 two ends are welded on respectively on the left and right longeron 21, and the axle sleeve 23 that is used for installation pedal 4 is positioned at left and right longeron 21; Following ladder 3 is made up of housing 31, rear cross beam 32, steady pin 33, axle sleeve 34 and wheel shaft 35, housing 31 is " U " shape, rear cross beam 32 two ends are welded on respectively on the housing 31, steady pin 33 is positioned at housing 31 tops, the axle sleeve 34 that is used for installation pedal 4 is positioned at 31 liang of inboards of housing, wheel shaft 35 is positioned at 31 liang of outsides of housing, and wheel shaft 35 is installed in the kidney slot 11 of guide rail 1; Pedal shaft 41 is installed on the pedal 4, and the front end of pedal 4 is installed on the left and right longeron 21 by pedal shaft 41 and axle sleeve 23, and the rear end of pedal 4 is installed in 31 liang of inboards of housing, the cylindrical protrusions 42 of regular arrangement on the pedal 4 by pedal shaft 41 and axle sleeve 34.
During installation, the utility model guide rail 1 is welded on the underframe longeron between the automotive frame, and the steady pin on the housing 31 33 connects with the fixed pin holes 12 at guide rail 1 top; When needing to use the utility model to step on car, the last ladder 2 of one will be folded into, following ladder 3 and pedal 4 pull outward, make steady pin 33 break away from fixed pin holes 12, wheel shaft 35 rolls along the kidney slot 11 of guide rail 1 both sides, walk to the bottom of kidney slot 11 until wheel shaft 35, to be folded into the last ladder 2 of one again, following ladder 3 and pedal 4 down rotate to an angle it is tilting, rotate pedal 4 again, ladder 2 and following ladder 3 are separated gradually stand on ground spacing, while pedal 4 horizontal positioned, last ladder 2 is parastate all the time with following ladder 3, and so far, access step expands into duty fully.Otherwise collapsible collection the utility model then.The utility model is in when organizing work state, and last ladder 2 and following ladder 3 are 50 ° with the angle of pedal 4.

Claims (3)

1. the folding access step of pull is characterized in that being made up of guide rail (1), last ladder (2), following ladder (3) and pedal (4), and guide rail (1) is " U " shape, and bilateral symmetry is provided with kidney slot (11); Last ladder (2) is made up of left and right longeron (21), front beam (22) and axle sleeve (23), and front beam (22) two ends are welded on respectively on the left and right longeron (21), and the axle sleeve (23) that is used for installation pedal (4) is positioned at left and right longeron (21); Following ladder (3) is made up of housing (31), rear cross beam (32), steady pin (33), axle sleeve (34) and wheel shaft (35), housing (31) is " U " shape, rear cross beam (32) two ends are welded on respectively on the housing (31), housing (31) two inboards are useful on the axle sleeve (34) that pedal (4) is installed, wheel shaft (35) is positioned at housing (31) two outsides, and the wheel shaft (35) in housing (31) two outsides is installed in the kidney slot (11) of guide rail (1); Pedal shaft (41) is installed on the pedal (4), and the front end of pedal (4) is installed on the left and right longeron (21) by pedal shaft (41) and axle sleeve (23), and the rear end of pedal (4) is installed in housing (31) two inboards by pedal shaft (41) and axle sleeve (34).
2. pull as claimed in claim 1 folds access step, it is characterized in that: the fixed pin holes (12) that connects with steady pin (33) on the housing (31) is arranged at guide rail 1 top, and the steady pin (33) that connects with the fixed pin holes (12) at guide rail (1) top is arranged at housing (31) top.
3. pull as claimed in claim 1 or 2 folds access step, it is characterized in that: pedal (4) is gone up the cylindrical protrusions (42) of regular arrangement.
CN 201320123740 2013-03-19 2013-03-19 Drawing foldable boarding ladder Expired - Fee Related CN203129938U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320123740 CN203129938U (en) 2013-03-19 2013-03-19 Drawing foldable boarding ladder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320123740 CN203129938U (en) 2013-03-19 2013-03-19 Drawing foldable boarding ladder

Publications (1)

Publication Number Publication Date
CN203129938U true CN203129938U (en) 2013-08-14

Family

ID=48937930

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320123740 Expired - Fee Related CN203129938U (en) 2013-03-19 2013-03-19 Drawing foldable boarding ladder

Country Status (1)

Country Link
CN (1) CN203129938U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103437699A (en) * 2013-08-28 2013-12-11 中联重科股份有限公司 Ladder assembly applied to pump truck
CN106586616A (en) * 2017-01-22 2017-04-26 刘杨 Sandwich built-in type running board
CN108360971A (en) * 2018-01-23 2018-08-03 庞志兰 A kind of multifunctional ladder and its application method
CN111348111A (en) * 2018-12-24 2020-06-30 湖北三六一一特种装备有限责任公司 Vehicle-mounted shelter is with flexible work platform of stepping on of climbing
CN111350454A (en) * 2018-12-24 2020-06-30 湖北三六一一特种装备有限责任公司 Foldable telescopic turning ladder
CN111994005A (en) * 2020-09-10 2020-11-27 重庆铁马专用车有限公司 Draw ladder and vehicle
CN114934743A (en) * 2022-05-31 2022-08-23 上海左人文化传播有限公司 Drawing type folding stair

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103437699A (en) * 2013-08-28 2013-12-11 中联重科股份有限公司 Ladder assembly applied to pump truck
CN103437699B (en) * 2013-08-28 2015-07-15 中联重科股份有限公司 Ladder assembly applied to pump truck
CN106586616A (en) * 2017-01-22 2017-04-26 刘杨 Sandwich built-in type running board
CN108360971A (en) * 2018-01-23 2018-08-03 庞志兰 A kind of multifunctional ladder and its application method
CN108360971B (en) * 2018-01-23 2020-09-18 浙江蓝特新能源科技股份有限公司 Multifunctional ladder and using method thereof
CN111348111A (en) * 2018-12-24 2020-06-30 湖北三六一一特种装备有限责任公司 Vehicle-mounted shelter is with flexible work platform of stepping on of climbing
CN111350454A (en) * 2018-12-24 2020-06-30 湖北三六一一特种装备有限责任公司 Foldable telescopic turning ladder
CN111994005A (en) * 2020-09-10 2020-11-27 重庆铁马专用车有限公司 Draw ladder and vehicle
CN114934743A (en) * 2022-05-31 2022-08-23 上海左人文化传播有限公司 Drawing type folding stair

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130814

Termination date: 20140319