CN209653941U - A kind of height-adjustable portable folding ladder - Google Patents
A kind of height-adjustable portable folding ladder Download PDFInfo
- Publication number
- CN209653941U CN209653941U CN201920161849.5U CN201920161849U CN209653941U CN 209653941 U CN209653941 U CN 209653941U CN 201920161849 U CN201920161849 U CN 201920161849U CN 209653941 U CN209653941 U CN 209653941U
- Authority
- CN
- China
- Prior art keywords
- hole
- scissor
- hanging rod
- foot pedal
- folding 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
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- Ladders (AREA)
- Vehicle Step Arrangements And Article Storage (AREA)
Abstract
The utility model relates to ascending tool field, in particular to a kind of height-adjustable portable folding ladders comprising have several levels foot pedal and the scissor-type link mechanism positioned at each foot pedal two sides.Scissor-type link mechanism one end is connected with hanging rod by positioning screw, the hook for being placed in transport vehicle tailgate is equipped with above the hanging rod, hanging rod side is additionally provided with the location hole of several equidistant indents, adjusting rod is articulated between two cross bars of scissor-type link mechanism one end, the adjusting rod lateral surface is equipped with the locating shaft of at least two protrusions, the spacing of adjacent two locating shaft is consistent with the spacing of above-mentioned each location hole, and each locating shaft can be embedded in the positioning hole of the hanging rod simultaneously.Each positioning axis center is equipped with the first threaded hole connecting with the positioning screw spiral, the hanging rod is equipped with the through-hole for being through to location hole in the another side of each location hole, and the positioning screw successively crosses through-hole and location hole is connect with the first threaded hole spiral.
Description
Technical field
The utility model relates to ascending tool field, in particular to a kind of height-adjustable portable folding ladders.
Background technique
When carrying out handling goods to transport vehicle, since the car bottom of transport vehicle has certain altitude apart from ground,
Can smoothly cargo be loaded and unloaded by being frequently necessary to multiple person cooperational.In order to improve handling efficiency, majority can pass through production one
A ladder is as the tool for climbing up compartment, but such tool occupied space is big, can not be onboard, need loading starting point and
Unloading terminal prepares such tool, if passage in transit has the place of other loading or unloadings, still needs multiple person cooperational
The handling of cargo can be completed, therefore can not fundamentally solve the problems, such as to improve cargo handling efficiency.
And existing ladder mostly uses greatly the welded technique of pipe fitting to be made, and height belongs to fixed state, and existing
Transport vehicle it is many kinds of, and height of the compartment apart from ground is inconsistent, and various fortune can not be suitable for by resulting in such ladder
The height of defeated vehicle, the transport vehicle up and down of inconvenient personnel.
Summary of the invention
The utility model provides a kind of height-adjustable portable folding ladder, to overcome existing ladder not readily portable
And the problem of transport vehicle of various different heights can not be suitable for.
The utility model adopts the following technical solution: a kind of height-adjustable portable folding ladder includes several levels foot
Pedal and scissor-type link mechanism positioned at each foot pedal two sides, the both ends of the foot pedal respectively with two scissor-type link mechanisms
It is fixedly connected, it is characterised in that further include having hanging rod and positioning screw, the extension for being placed in transport vehicle tailgate is equipped with above the hanging rod
Hook, hanging rod side are additionally provided with the location hole of several equidistant indents；Pivot between two cross bars of scissor-type link mechanism one end
It is connected to adjusting rod, which is equipped with the locating shafts of at least two protrusions, the spacing of adjacent two locating shaft and above-mentioned each
The spacing of location hole is consistent, and each locating shaft can be embedded in the positioning hole of the hanging rod simultaneously；Each positioning axis center
It is equipped with the first threaded hole connecting with the positioning screw spiral, the hanging rod is equipped in the another side of each location hole and passes through
It wears to the through-hole of location hole, the positioning screw successively crosses through-hole and location hole is connect with the first threaded hole spiral.
As a further improvement, the scissor-type link mechanism includes that multiple groups are made of cross bar and the pivot joint of vertical bar cross
Link component, one end pivot of the cross bar of every group of link component and one end of vertical bar with the vertical bar of adjacent link component and cross bar
It connects, the both ends of the foot pedal are fixedly connected with the cross bar of two scissor-type components respectively.
As a further improvement, the rear and front end of the foot pedal two sides is equipped with the second threaded hole, second screw thread
Hole adaptation is connected with fastening screw, and the both ends and middle position of the cross bar and vertical bar are equipped with the connecting hole through two sides,
Be connected with each other the concentric correspondence of connecting hole of cross bar and vertical bar, and installed in connecting hole and be connected with axle sleeve, the fastening screw by
It passes inwardly through axle sleeve on the outside of vertical bar and after the second threaded hole spiral is connected to fastening, nut and the vertical bar side of fastening screw has
Gap.
As a further improvement, the other end of the scissor-type link mechanism relative adjustment bar is articulated with support base, should
Support base bottom is the chassis with ground face contact.
As a further improvement, the two scissor-types link mechanism is connected between the position of two support base one end adds
Qiang Guan.
As a further improvement, the intersection pivot points of any one group of link component are into the second threaded hole of foot pedal
Spiral is connected with standing screw, and after the inside spiral locking of the standing screw, foot pedal, cross bar and vertical bar are successively fitted closely.
By the above-mentioned description to the utility model structure it is found that compared to the prior art, the utility model has following excellent
Point: the utility model can by by be affiliated on the hanging rod side on transport vehicle tailgate different height location hole correspondence be fastened on
On the locating shaft of adjusting rod, then locking and connecting, it can be achieved that hanging rod is adjusted with respect to ground level by positioning screw, make to roll over
Folded ladder can be affiliated on different height transport vehicle tailgate, so as to be suitable for the transport vehicle of all kinds of different heights, and then can be facilitated
The quick and safe transport vehicle up and down of personnel.
And structure of the frame of the fixed foot pedal of the utility model folding ladder due to using scissor-type link mechanism, so that
Folding ladder can be folded folding when not in use, and the folding ladder after folding compares the folding ladder of unfolded state, greatly reduce
Its required the space occupied, convenient for onboard.Above and below personnel when transport vehicle, it can be drawn off and be unfolded to use, it can be from
Fundamentally solves the problem of personnel are not easy to transport vehicle up and down, lead to cargo handling inefficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model expansion.
Fig. 2 is the positive schematic diagram of the utility model.
Fig. 3 be Fig. 2 in A to amplification and cutting schematic diagram.
Fig. 4 be 2 in B to amplification and cutting schematic diagram.
Fig. 5 is the structural schematic diagram of adjusting rod.
Fig. 6 is the diagrammatic cross-section that adjusting rod is connect with hanging rod.
Fig. 7 is that the utility model is affiliated in the side schematic view on transport vehicle tailgate.
Fig. 8 is that the utility model buckles into the gate slot medial surface schematic diagram in compartment.
Fig. 9 is the structural schematic diagram after the utility model folding.
Specific embodiment
Illustrate specific embodiment of the present utility model with reference to the accompanying drawings.
As shown in attached drawing 1 to 3, a kind of height-adjustable portable folding ladder includes several levels foot pedal 6 and is located at each
The scissor-type link mechanism of 6 two sides of foot pedal.The scissor-type link mechanism includes that multiple groups are handed over by cross bar 2 and vertical bar 3 in cross
The link component of fork pivot joint composition, the vertical bar of the cross bar 2 of every group of link component and one end of vertical bar 3 with adjacent link component
3 and cross bar 2 one end pivot joint.The rear and front end of 6 two sides of foot pedal is equipped with the second threaded hole 61, and the second threaded hole 61 is
Adaptation is connected with fastening screw 11.The both ends and the intermediate connecting hole 13 being equipped with through two sides of the cross bar 2 and vertical bar 3,
The concentric correspondence of connecting hole 13 of two cross bar 2 and vertical bar interconnected, 3 pivot points, and installed in connecting hole 13 and be connected with axis
Set 12.The fastening screw 11 is connect by passing inwardly through axle sleeve 12 on the outside of vertical bar 3 with 61 spiral of the second threaded hole of foot pedal 6,
And fastening screw 11 is connected to after consolidating with the second threaded hole tight 61, the nut of fastening screw 11 and 3 side of vertical bar have gap, make
It is relatively movable to obtain foot pedal 6, cross bar 2 and vertical bar 3, realizes that the cross of two scissor-type link mechanisms is fixed at the both ends of foot pedal 6 with this
On bar 2, and the cross bar 2 and vertical bar 3 being mutually pivotally connected can be rotated relative to axle sleeve 12.
As shown in attached drawing 1 to 8, the utility model further includes having hanging rod 4 and positioning screw 9.The positioning screw 9 is existing
Handle screw rod in technology.The hook 41 for being placed in transport vehicle tailgate 7 is equipped with above the hanging rod 4, if 4 side of hanging rod is additionally provided with
Do the location hole 42 of equidistant indent.It is articulated with adjusting rod 5 between two cross bars 2 of scissor-type link mechanism one end, the tune
5 lateral surface of pole is equipped with the locating shaft 51 of at least two protrusions, the spacing of adjacent two locating shaft 51 and each positioning of above-mentioned hanging rod
The spacing in hole 42 is consistent, and each locating shaft 51 can be embedded in simultaneously in the location hole 42 of hanging rod 4.51 center of each locating shaft
It is equipped with the first threaded hole 52 connecting with 9 spiral of positioning screw, the hanging rod 4 is equal in the another side of each location hole 42
Equipped with the through-hole 43 for being through to location hole 42, the positioning screw 9 successively crosses through-hole 43 and location hole 42 and the first threaded hole 52
Spiral connection.It is fastened on the locating shaft 51 of adjusting rod 5 by the location hole 42 of hanging rod 4, and utilizes the lock of positioning screw 9
Gu adjusting rod 5 and hanging rod 4 can be made relatively fixed, realize that hanging rod 4 is fixed on one end of folding ladder with this, so that facilitating will roll over
The one end for folding ladder is placed in the compartment tail portion of transport vehicle.Since existing transport vehicle trunk height is inconsistent, this implementation
In mode, it is fastened on the locating shaft 51 of adjusting rod 5 by corresponding to the location hole 42 of 4 different height of hanging rod, then pass through positioning
Locking and connecting, it can be achieved that hanging rod 4 is adjusted with respect to ground level for screw rod 9, makes folding ladder that can be affiliated to the fortune in different height
On defeated vehicle compartment, to effectively increase the applicability of folding ladder.Specifically, as shown in Fig. 7, the hook of hanging rod 4 can be hung
It is placed on the fixed transport vehicle tailgate closed；Or as shown in Fig. 8, the hook of hanging rod 4 can be buckled into and is connected in tailgate and compartment
In the gate slot connect, which is the groove in compartment and 7 hinged place of tailgate invagination.
With continued reference to shown in attached drawing 1 to 8, the other end of the scissor-type link mechanism relative adjustment bar 5 (i.e. folding ladder
Bottom) it is articulated with support base 8, which is the chassis 81 with ground face contact.It is affiliated in above-mentioned hanging rod 4 in transport vehicle
After making folding ladder one end fixed on tailgate 7, it can be rotated support base 8, be contacted with the chassis 81 of support base 8 on ground, this knot
Structure can increase the contact area on folding ladder bottom and ground, to increase the frictional force on folding ladder and ground, folding ladder can be made to exist
It is more firm in use process.In addition, the two scissor-types link mechanism is connected with reinforced pipe between the position of two support bases 8
1, the connection type and above-mentioned scissor-type link mechanism of 1 both ends of reinforced pipe and scissor-type link mechanism and support base 8 and foot-operated
The connection structure of plate 6 is consistent, is attached using equal 11 spiral locking of fastening screw in reinforced pipe 1, passes through this reinforced pipe 1
Structure can stablize the vertical bar 3 that folding ladder two sides are connected on support base 8, can play the role of further stablizing folding ladder.
As shown in attached drawing 1,2 and 4, intersect pivot points to foot pedal in the cross bar 2 and vertical bar 3 of any one group of link component
6 61 inside spin of the second threaded hole is connected with standing screw 10.It is unfolded in folding ladder, and one end is affiliated in transport vehicle tailgate 7,
The other end fixation is contacted with after ground, by the inside spiral locking of standing screw 10 to foot pedal 6, cross bar 2 and vertical bar 3 according to
It is secondary to fit closely, the cross bar 2 of the link component and vertical bar 3 can be made to keep the angle of cross-fixing, so as to make folding ladder two
The scissor-type link mechanism of side keeps the stationary state of expansion, and operating personnel can be safe and quickly by the foot of folding ladder at this time
The rear cabinet of about 6 transport vehicle of pedal, to carry out the handling work of cargo.
As shown in attached drawing 1 and 9, after handling work terminates, standing screw 10 can be first unscrewed, cutting for folding ladder two sides is made
Forked connecting rod mechanism forms movable and folding state；It pushes and rolls over from 8 one end of the support base of folding ladder to 4 one end of hanging rod again
Folded ladder, makes folding ladder fold the state to form folding；It is finally lifted up the folding ladder of folding state, makes hanging rod 4 and transport vehicle
Tailgate 7 separates, and can move the folding ladder after folding to transport vehicle rear cabinet, so that transport vehicle uses above and below next personnel.
Folding ladder after folding compares the folding ladder of unfolded state, greatly reduces its required the space occupied, quite convenient for carrying.
The above is only the specific embodiments of the present invention, but the design concept of the present invention is not limited thereto,
All non-essential modifications to the present invention made by this concept should belong to the row for invading scope of protection of the utility model
For.
Claims (6)
1. a kind of height-adjustable portable folding ladder includes several levels foot pedal and the scissor-type positioned at each foot pedal two sides
Link mechanism, the both ends of the foot pedal are fixedly connected with two scissor-type link mechanisms respectively, it is characterised in that: further include having extension
Bar and positioning screw, hanging rod top are equipped with the hook for being placed in transport vehicle tailgate, and hanging rod side is additionally provided with several equidistant interior
Recessed location hole；It is articulated with adjusting rod between two cross bars of scissor-type link mechanism one end, which is equipped with
The locating shaft of at least two protrusions, the spacing of adjacent two locating shaft is consistent with the spacing of above-mentioned each location hole, and each locating shaft
It can be embedded in the positioning hole of the hanging rod simultaneously；Each positioning axis center, which is equipped with, to be connect with the positioning screw spiral
First threaded hole, the hanging rod are equipped with the through-hole for being through to location hole, the positioning screw in the another side of each location hole
Through-hole and location hole is successively crossed to connect with the first threaded hole spiral.
2. a kind of height-adjustable portable folding ladder according to claim 1, it is characterised in that: the scissor-type connects
Linkage includes the link component that multiple groups are made of cross bar and vertical bar right-angled intersection pivot joint, the cross bar and vertical bar of every group of link component
One end with one end of the vertical bar of adjacent link component and cross bar be pivotally connected, the both ends of the foot pedal respectively with two scissor-types
The cross bar of component is fixedly connected.
3. a kind of height-adjustable portable folding ladder according to claim 2, it is characterised in that: the foot pedal two
The rear and front end of side is equipped with the second threaded hole, and second threaded hole adaptation is connected with fastening screw, the cross bar and vertical bar
Both ends and middle position are equipped with the connecting hole through two sides, are connected with each other the concentric correspondence of connecting hole of cross bar and vertical bar,
And installed in connecting hole and be connected with axle sleeve, the fastening screw is connected by passing inwardly through axle sleeve and the second threaded hole spiral on the outside of vertical bar
After being connected to fastening, the nut of fastening screw and vertical bar side have gap.
4. a kind of height-adjustable portable folding ladder according to claim 1, it is characterised in that: the scissor-type connects
The other end of linkage relative adjustment bar is articulated with support base, which is the chassis with ground face contact.
5. a kind of height-adjustable portable folding ladder according to claim 4, it is characterised in that: two scissor-type
Link mechanism is connected with reinforced pipe between the position of two support base one end.
6. a kind of height-adjustable portable folding ladder according to claim 1, it is characterised in that: any one group of connecting rod
The intersection pivot points of component are connected with standing screw to the second threaded hole inside spin of foot pedal, and the standing screw is to inside spin
After locking, foot pedal, cross bar and vertical bar are successively fitted closely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920161849.5U CN209653941U (en) | 2019-01-30 | 2019-01-30 | A kind of height-adjustable portable folding ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920161849.5U CN209653941U (en) | 2019-01-30 | 2019-01-30 | A kind of height-adjustable portable folding ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209653941U true CN209653941U (en) | 2019-11-19 |
Family
ID=68523312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920161849.5U Expired - Fee Related CN209653941U (en) | 2019-01-30 | 2019-01-30 | A kind of height-adjustable portable folding ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209653941U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113184119A (en) * | 2021-05-12 | 2021-07-30 | 江苏神力船舶设备有限公司 | Folding auxiliary ladder convenient to disassemble and store |
-
2019
- 2019-01-30 CN CN201920161849.5U patent/CN209653941U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113184119A (en) * | 2021-05-12 | 2021-07-30 | 江苏神力船舶设备有限公司 | Folding auxiliary ladder convenient to disassemble and store |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191119 Termination date: 20210130 |