CN205654287U - Scalable folding string of ladder - Google Patents
Scalable folding string of ladder Download PDFInfo
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- CN205654287U CN205654287U CN201620434397.XU CN201620434397U CN205654287U CN 205654287 U CN205654287 U CN 205654287U CN 201620434397 U CN201620434397 U CN 201620434397U CN 205654287 U CN205654287 U CN 205654287U
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Abstract
The utility model provides a scalable folding string of ladder which characterized in that: including the ladder main part of a vertical setting, this ladder main part is word ladder structure, and the parallel is equipped with a plurality of marking time, the upper portion of ladder main part even is equipped with a footboard, and the front end and the rotation of ladder main part of this footboard are connected, has level two operating condition that open and fold up, the rear end of footboard is equipped with a couple, and this couple has and sets up hook section under one day, the upper portion of ladder main part still links and is equipped with a bar, and this bar rotates with the ladder main part to be connected, has two operating condition that open and fold up, the lower part of ladder main part has the telescopic ladder feet. Borrow this design, make the utility model discloses compare prior art, the function is comprehensive, extensive applicability is general to have splendid operation experience, has alleviateed user's the operation degree of difficulty, provide the operator stable and reliable support, still have in addition save space, convenient storage's advantage.
Description
Technical field
This utility model relates to a kind of hanging ladder, is specifically related to a kind of be provided with telescopic foldable hanging ladder.This hanging ladder can be used for the handling goods of lorry it can also be used to other similar applications.
Background technology
When vehicle is carried out handling goods, owing to there is a height on the car bottom distance ground of vehicle, therefore it is frequently necessary to multiple person cooperational can load and unload goods smoothly.In order to improve efficiency, have people conveniently to ascend a height by the way of tilting and setting up ladder or flat board, but due to ladder or flat board be inclined shore on the ground, therefore exist and support problem that is unstable, that easily topple over, there is potential safety hazard.
For the problems referred to above, the hanging ladder of a kind of automobile arises at the historic moment, and this hanging ladder has a hook, this hook and the side plate in compartment and the gap buckle on floor compartment surface, and has a pedal stood for people.The problem that this existing automobile hanging ladder solves handling goods of ascending a height, the reliability that hanging ladder and vehicle connect is ensure that by the setting of hook, but the prior art has the disadvantage that the foot of ladder of hanging ladder, bar and pedal or fixes nonadjustable, inconvenience storage, or unlock, regulation gets up to waste time and energy, and uses inconvenience.
Therefore, how to solve the deficiency that above-mentioned prior art exists, become as this utility model problem to be studied.
Summary of the invention
The purpose of this utility model is to provide a kind of telescopic foldable hanging ladder, to solve the problem that prior art unlocks and regulation is inconvenient.
For reaching above-mentioned purpose, the technical solution adopted in the utility model is: a kind of telescopic foldable hanging ladder, and including a ladder main being vertically arranged, this ladder main is yi shaped ladder structure, and parallel is provided with multiple marking time；
The top of described ladder main is provided with a pedal, and the front end of this pedal is rotationally connected with ladder main, has horizontal opening and two duties of folding；The rear end of described pedal is provided with a hook, and this hook has one and arranges crook down.
The top of described ladder main is also provided with a bar, and this bar is rotationally connected with ladder main, has and opens and two duties of folding；
The bottom of described ladder main has telescopic foot of ladder.
Relevant content in technique scheme is explained as follows:
1. in such scheme, when described pedal is in open mode, pedal is rotated up being the level of state, to provide user one to stand plane；When described pedal is in folding state, pedal rotates down and fits in described ladder main, it is simple to storage.Described pedal is opened the conversion with folding state and is located through a pedal locking device realization.
2. in such scheme, the crook of described hook is positioned in the side plate in compartment and the gap on floor compartment surface, it is provided that the stability of upper end when ladder uses.Described crook can be arranged in pairs.
3. in such scheme, when described bar is in open mode, bar is rotated up and arranges upward, in order to grips bar during user climbing hanging ladder and borrows power；When described bar is in folding state, bar rotates down, and fits in described ladder main and is easy to storage.Described bar is opened the conversion with folding state and is located through a bar locking device realization.Described bar can be arranged in pairs.
4. in such scheme, the telescopic design of described foot of ladder, hanging body can be made to can adapt to different use height, broken terrain can also be dealt with by adjusting two different extension elongations of foot of ladder respectively, make foot of ladder can keep to ground against, the stable support of lower end during to provide ladder to use.The regulation of described foot of ladder retracted position and fixing realized by a foot of ladder locking device.
5. in such scheme, on described pedal, the hinged place in described pedal Yu described ladder main is provided with a pedal locking device, this pedal locking device includes one first springy locking member, to positioning hole at least provided with first, second liang in described ladder main by the first springy locking member；
Wherein, the open mode of the first hole, location correspondence locking pedal, when the i.e. first springy locking member and the first location hole lock fit；The folding state of the second hole, location correspondence locking pedal, when the i.e. first springy locking member and the second location hole lock fit.
6. in such scheme, described first springy locking member is located at bottom pedal, including one first purl, one first spring it is arranged with on this first purl, and first the front end of spring by one first jump ring fixed on the first purl against being positioned on described first purl, the rear end of described first spring is then resisted against on a positioning seat, and the most described pedal of this positioning seat is fixed；
The front end of described first purl is the first locking head, and this first locking head is correspondingly arranged with described first hole, location and described second hole, location；One first traction handle it is additionally provided with on described first purl, this first traction handle drives the first purl to bounce back backward, with realize the first purl to described first location hole or described second location hole unblock, and the first purl to first location hole or second location hole lock rely on described first spring self tension force realization.
7. in such scheme, described first traction handle is curved bar shape, has the handle portion of a needle body being parallel to described first purl, and connects a connecting rod of described needle body and described handle portion；And, on the positioning seat of described pedal, corresponding described connecting rod is provided with a locating slot, the notch of this locating slot is offered backwards, the tension force of described first spring orders about described first purl forward, and then described connecting rod is positioned forward in this locating slot, and described locating slot has an acclivitous hypotenuse, constitute described handle portion with described needle body for axle be rotated up time, described connecting rod via this hypotenuse against the displacement done backward, and then drive described first purl to bounce back backward, so that described first locking head is deviate from from the first hole, location or the second hole, location, realize unlocking.
8. in such scheme, on described bar, the hinged place in described bar Yu described ladder main is provided with a bar locking device, this bar locking device includes one second springy locking member, to positioning hole at least provided with the 3rd, the 4th liang in described ladder main by the second springy locking member；
Wherein, the open mode of the 3rd hole, location correspondence locking bar, when the i.e. second springy locking member and the 3rd location hole lock fit；The folding state of the 4th hole, location correspondence locking bar, when the i.e. second springy locking member and the 4th location hole lock fit.
9. in such scheme, described second springy locking member includes one second purl, one second spring it is arranged with on this second purl, and second the front end of spring by a bulge loop of projection is against being positioned on described second purl on the second purl, the rear end of described second spring is then resisted against on described bar；
The front end of described second purl is the second locking head, and this second locking head is correspondingly arranged with described 3rd hole, location and described 4th hole, location；One second traction handle it is additionally provided with on described second purl, this second traction handle drives the second purl to bounce back backward, with realize the second purl to described 3rd location hole or described 4th location hole unblock, and the second purl to the 3rd location hole or the 4th location hole lock rely on described second spring self tension force realization.
10. in such scheme, described second traction handle is bent to form in the end of described second purl, during user this second traction handle of tractive backward, described second purl is oppressed the second spring backward and bounces back, described second locking head is deviate from from the 3rd hole, location or the 4th hole, location, it is achieved unlock；
In described ladder main, the movement locus (this movement locus refers to bar second locking head when opening and change between folding the two state and follows the arc running orbit that bar produces) of corresponding described second locking head is formed with one and compresses inclined-plane, this compresses the side that inclined-plane is formed at the rotation direction of described bar, and towards the vertical center position inclination of described ladder main.Design whereby, after the second purl of bar unlocks, rotary handle bar, described second locking head is pressed on side the arcuately trajectory displacement of ladder main, owing to the second locking head compresses by producing outside the tension force of the second spring and ladder main, therefore create frictional force, be not easy to the rotation of bar；And when bar be rotated further so that the second locking head be displaced to described in compress at inclined-plane time, by being obliquely installed of described inclined-plane, progressively stepped down space out to the second locking head, the most described second locking head progressively stretches out bar until no longer pressing on outside described ladder main, and therefore the rotation of bar becomes light；When bar is rotated further, the second locking head again touches and compresses inclined-plane, and the second locking head is progressively squeezed retraction, and along with the rotation of bar continues arcuately that movement locus is towards the direction displacement in another hole, location, until entering another hole, location.To sum up, by the described design compressing inclined-plane, it is reduced as far as the second locking head and has contacted with compressing outside ladder main so that the rotation of bar has become light.
In 11. such schemes, the bottom of described ladder main is provided with a foot of ladder locking device, this foot of ladder locking device includes one the 3rd springy locking member, to being provided with several 5th hole, location in described foot of ladder by the 3rd springy locking member, each described 5th hole, location is spaced substantially equidistant along the short transverse of foot of ladder.Lock fit by the 3rd springy locking member with the 5th hole, location of differing heights position, it is achieved the convertible different extension elongation of foot of ladder of hanging ladder, so that hanging ladder can adapt to different use height.
In 12. such schemes, described 3rd springy locking member is located at inside ladder main, including one the 3rd purl, one the 3rd spring it is arranged with on 3rd purl, and the 3rd the front end of spring by one the 3rd jump ring fixed on the 3rd purl against being positioned on described 3rd purl, the rear end of described 3rd spring is then resisted against on a limit base, and the most described ladder main of this limit base is fixed；
The front end of described 3rd purl is the 3rd locking head, and the 3rd locking head is correspondingly arranged with described 5th hole, location；It is additionally provided with one the 3rd traction handle on described 3rd purl, 3rd traction handle drives the 3rd purl to bounce back backward, to realize the unblock to described 5th hole, location of the 3rd purl, and the 5th hole, location is locked and relies on the tension force of described 3rd spring self to realize by the 3rd purl.
In 13. such schemes, described 3rd traction handle is bent to form in the end of described 3rd purl, and during user tractive three traction handle backward, described 3rd purl is oppressed the 3rd spring backward and bounces back, described 3rd locking head is deviate from from the 5th hole, location, it is achieved unlock；
Being additionally provided with a limit point on described foot of ladder, this limit point is towards the top in described 5th hole, location being located at described foot of ladder the top inside described ladder main, and corresponding described limit point is provided with a limited block inside described ladder main.By described limit point and the spacing cooperation of described limited block, to prevent the unrestricted stretch downward of described foot of ladder, it is to avoid foot of ladder departs from ladder main.
Operation principle of the present utility model and advantage are as follows:
A kind of telescopic foldable hanging ladder of this utility model, including the ladder main of a font architecture and have multiple marking time.The top of ladder main rotates and is connected with a pedal, has horizontal opening and two duties of folding, and the rear end of pedal is provided with hook；The top of ladder main also rotates and is connected with a bar, has equally and opens and two duties of folding；The bottom of ladder main then has telescopic foot of ladder.Design whereby so that compared to existing technologies, complete function, the suitability are extensive for this utility model, and there is splendid operating experience, alleviate the operation easier of user, it is provided that operator is stable and supports reliably, the most also there is saving space, the advantage of convenient for collecting.
Accompanying drawing explanation
Accompanying drawing 1 is this utility model embodiment pedal and structural representation time bar is opened and foot of ladder stretches out；
Structural representation when accompanying drawing 2 is this utility model embodiment pedal and bar folding and foot of ladder is retracted；
Accompanying drawing 3 is the side view of Fig. 2；
Accompanying drawing 4 is this utility model embodiment structural representation time pedal is opened under looking up visual angle；
Accompanying drawing 5 is the enlarged drawing in Fig. 4 at A；
Accompanying drawing 6 is structural representation when this utility model embodiment pedal folding and locking.
Accompanying drawing 7 is the enlarged drawing in Fig. 6 at A；
Accompanying drawing 8 is structural representation when this utility model embodiment pedal folding and unblock；
Accompanying drawing 9 is the enlarged drawing in Fig. 8 at A；
Accompanying drawing 10 is the structural representation of this utility model embodiment the first springy locking member lock-out state；
Accompanying drawing 11 is the structural representation of this utility model embodiment the first springy locking member released state；
Structural representation when accompanying drawing 12 is this utility model embodiment bar is opened under overlooking visual angle；
Accompanying drawing 13 is the enlarged drawing in Figure 12 at A；
Structural representation when accompanying drawing 14 is that under this utility model embodiment side-looking visual angle, bar is opened；
Accompanying drawing 15 regards the structural representation at visual angle for Figure 14 master；
Accompanying drawing 16 is the enlarged drawing in Figure 15 at A；
Accompanying drawing 17 is structural representation during bar folding under this utility model embodiment side-looking visual angle；
Accompanying drawing 18 regards the structural representation at visual angle for Figure 17 master；
Accompanying drawing 19 is the enlarged drawing in Figure 18 at A；
Structural representation when accompanying drawing 20 is this utility model embodiment foot of ladder stretches out under overlooking visual angle；
Accompanying drawing 21 is the enlarged drawing in Figure 20 at A；
Accompanying drawing 22 is the cross-sectional view (released state) in Figure 20 at A；
Accompanying drawing 23 is the cross-sectional view (lock-out state) in Figure 20 at A.
In the figures above: 1. ladder main；2. mark time；3. pedal；4. hook；5. crook；6. the first hole, location；7. the second hole, location；8. the first purl；9. the first spring；10. the first jump ring；11. positioning seats；12. first locking heads；13. first traction handles；14. handle portion；15. connecting rods；16. locating slots；17. hypotenuses；18. bars；19. the 3rd hole, location；20. the 4th hole, location；21. second purls；22. second springs；23. bulge loops；24. second locking heads；25. second traction handles；26. compress inclined-plane；27. foot of ladders；28. the 5th hole, location；29. the 3rd purls；30. the 3rd springs；31. the 3rd jump rings；32. limit bases；33. the 3rd locking heads；34. the 3rd traction handles；35. limit points；36. limited blocks.
Detailed description of the invention
Below in conjunction with the accompanying drawings and this utility model is further described by embodiment:
Embodiment: see shown in accompanying drawing 1 ~ 3, a kind of telescopic foldable hanging ladder, including a ladder main 1 being vertically arranged, this ladder main 1 is yi shaped ladder structure, and parallel being provided with multiple marks time 2.
As shown in Fig. 4 ~ 11, the top of described ladder main 1 is provided with a pedal 3, and the front end of this pedal 3 is rotationally connected with ladder main 1, has horizontal opening and two duties of folding.Wherein, when described pedal 3 is in open mode, pedal 3 is rotated up being the level of state, to provide user one to stand plane；When described pedal 3 is in folding state, pedal 3 rotates down and fits in described ladder main 1, it is simple to storage.The rear end of described pedal 3 is provided with a pair hook 4, and this hook 4 has one and arranges crook 5 down, and this crook 5 is positioned in the side plate in compartment and the gap on floor compartment surface, it is provided that the stability of upper end when ladder uses.
Described pedal 3 is opened the conversion with folding state and is located through a pedal locking device realization, this pedal locking device is located at described pedal 3 and the hinged place of described ladder main 1 on pedal 3, this pedal locking device includes one first springy locking member, to being provided with the first hole, location 6 and the second hole 7, location in described ladder main 1 by the first springy locking member；
Wherein, the open mode of the first corresponding locking in hole 6, location pedal 3, when the i.e. first springy locking member and the first location hole 6 lock fit；The folding state of the second corresponding locking in hole 7, location pedal 3, when the i.e. first springy locking member and the second location hole 7 lock fit.
Described first springy locking member is located at bottom pedal 3, including one first purl 8, one first spring 9 it is arranged with on this first purl 8, and first the front end of spring 9 by one first jump ring 10 fixed on the first purl 8 against being positioned on described first purl 8, the rear end of described first spring 9 is then resisted against on a positioning seat 11, and this most described pedal of positioning seat 11 3 is fixed.
The front end of described first purl 8 is the first locking head 12, and this first locking head 12 is correspondingly arranged with described first hole 6, location and described second hole 7, location；It is additionally provided with one first traction handle 13 on described first purl 8, this first traction handle 13 drives the first purl 8 to bounce back backward, to realize the first purl 8 to described first hole 6, location or the unblock in described second hole 7, location, and the locking in the first hole 6, location or the second hole 7, location is relied on the tension force of described first spring 9 self to realize by the first purl 8.
Described first traction handle 13, in curved bar shape, has the handle portion 14 of a needle body being parallel to described first purl 8, and connects a connecting rod 15 of described needle body and described handle portion 14；And, on the positioning seat 11 of described pedal 3, corresponding described connecting rod 15 is provided with a locating slot 16, the notch of this locating slot 16 is offered backwards, the tension force of described first spring 9 orders about described first purl 8 forward, and then described connecting rod 15 is positioned forward in this locating slot 16, and described locating slot 16 has an acclivitous hypotenuse 17, constitute described handle portion 14 with described needle body for axle be rotated up time, described connecting rod 15 via this hypotenuse 17 against the displacement done backward, and then drive described first purl 8 to bounce back backward, so that described first locking head 12 is deviate from from the first hole, location 6 or the second hole 7, location, realize unlocking.
As shown in Figure 12 ~ 19, the top of described ladder main 1 is also provided with pair of armrests bar 18, and this bar 18 is rotationally connected with ladder main 1, has and opens and two duties of folding.When described bar 18 is in open mode, bar 18 is rotated up and arranges upward, in order to grips bar 18 during user climbing hanging ladder and borrows power；When described bar 18 is in folding state, bar 18 rotates down, and fits in described ladder main 1 and is easy to storage.Described bar 18 is opened the conversion with folding state and is located through a bar locking device realization.
Described bar locking device is located at described bar 18 and the hinged place of described ladder main 1 on bar 18, this bar locking device includes one second springy locking member, to being provided with the 3rd hole, location 19 and the 4th hole 20, location in described ladder main 1 by the second springy locking member.
Wherein, the open mode of the 3rd corresponding locking in hole 19, location bar 18, when the i.e. second springy locking member and the 3rd location hole 19 lock fit；The folding state of the 4th corresponding locking in hole 20, location bar 18, when the i.e. second springy locking member and the 4th location hole 20 lock fit.
Described second springy locking member includes one second purl 21, one second spring 22 it is arranged with on this second purl 21, and second the front end of spring 22 by a bulge loop 23 of projection is against being positioned on described second purl 21 on the second purl 21, the rear end of described second spring 22 is then resisted against on described bar 18.
The front end of described second purl 21 is the second locking head 24, and this second locking head 24 is correspondingly arranged with described 3rd hole 19, location and described 4th hole 20, location；It is additionally provided with one second traction handle 25 on described second purl 21, this second traction handle 25 drives the second purl 21 to bounce back backward, to realize the second purl 21 to described 3rd hole 19, location or the unblock in described 4th hole 20, location, and the locking in the 3rd hole 19, location or the 4th hole 20, location is relied on the tension force of described second spring 22 self to realize by the second purl 21.
Described second traction handle 25 is bent to form in the end of described second purl 21, during user this second traction handle 25 of tractive backward, described second purl 21 is oppressed the second spring 22 backward and bounces back, described second locking head 24 is deviate from from the 3rd hole, location 19 or the 4th hole 20, location, it is achieved unlock.
In described ladder main 1, the movement locus (this movement locus refers to bar 18 second locking head 24 when opening and change between folding the two state and follows the arc running orbit that bar 18 produces) of corresponding described second locking head 24 is formed with one and compresses inclined-plane 26, this compresses the side that inclined-plane 26 is formed at the rotation direction of described bar 18, and towards the vertical center position inclination of described ladder main 1.Design whereby, after the second purl 21 of bar 18 unlocks, rotary handle bar 18, described second locking head 24 is pressed on side the arcuately trajectory displacement of ladder main 1, owing to the second locking head 24 compresses by producing outside the tension force of the second spring 22 and ladder main 1, therefore create frictional force, be not easy to the rotation of bar 18；And when bar 18 be rotated further so that the second locking head 24 be displaced to described in compress at inclined-plane 26 time, being obliquely installed of inclined-plane 26 is compressed by described, progressively stepped down space out to the second locking head 24, the most described second locking head 24 progressively stretches out bar 18 until no longer pressing on outside described ladder main 1, and therefore the rotation of bar 18 becomes light；When bar 18 is rotated further, second locking head 24 again touches and compresses inclined-plane 26, second locking head 24 is progressively squeezed retraction, and along with the rotation of bar 18 continues arcuately that movement locus is towards the direction displacement in another hole, location, until entering another hole, location.To sum up, by the described design compressing inclined-plane 26, it is reduced as far as the second locking head 24 and has contacted with compressing outside ladder main 1 so that the rotation of bar 18 has become light.
As shown in Figure 20 ~ 23, the bottom of described ladder main 1 has telescopic foot of ladder 27.By the described telescopic design of foot of ladder 27, hanging body can be made to can adapt to different use height, broken terrain can also be dealt with by adjusting two different extension elongations of foot of ladder 27 respectively, make foot of ladder 27 can keep to ground against, the stable support of lower end during to provide ladder to use.The regulation of described foot of ladder 27 retracted position and fixing realized by a foot of ladder locking device.
The bottom of ladder main 1 is located at by described foot of ladder locking device, this foot of ladder locking device includes one the 3rd springy locking member, to being provided with several 5th hole 28, location in described foot of ladder 27 by the 3rd springy locking member, each described 5th hole 28, location is spaced substantially equidistant along the short transverse of foot of ladder 27.Lock fit by the 3rd springy locking member with the 5th hole 28, location of differing heights position, it is achieved the convertible different extension elongation of foot of ladder 27 of hanging ladder, so that hanging ladder can adapt to different use height.
Described 3rd springy locking member is located at inside ladder main 1, including one the 3rd purl 29, one the 3rd spring 30 it is arranged with on 3rd purl 29, and the 3rd the front end of spring 30 by one the 3rd jump ring 31 fixed on the 3rd purl 29 against being positioned on described 3rd purl 29, the rear end of described 3rd spring 31 is then resisted against on a limit base 32, and this most described ladder main of limit base 32 1 is fixed.
The front end of described 3rd purl 29 is the 3rd locking head 33, and the 3rd locking head 33 is correspondingly arranged with described 5th hole 28, location；It is additionally provided with one the 3rd traction handle 34 on described 3rd purl 29,3rd traction handle 34 drives the 3rd purl 29 to bounce back backward, to realize the unblock to described 5th hole 28, location of the 3rd purl 29, and the locking in the 5th hole 28, location is relied on the tension force of described 3rd spring 31 self to realize by the 3rd purl 29.
Described 3rd traction handle 34 is bent to form in the end of described 3rd purl 29, during user tractive three traction handle 34 backward, described 3rd purl 29 is oppressed the 3rd spring 30 backward and bounces back, and described 3rd locking head 33 is deviate from from the 5th hole 28, location, it is achieved unlock.
Being additionally provided with a limit point 35 on described foot of ladder 27, this limit point 35 is towards the top in described 5th hole 28, location being located at described foot of ladder 27 the top inside described ladder main 1, and corresponding described limit point 35 is provided with a limited block 36 inside described ladder main 1.By described limit point 35 and the spacing cooperation of described limited block 36, to prevent the described unrestricted stretch downward of foot of ladder 27, it is to avoid foot of ladder 27 departs from ladder main 1.
A kind of telescopic foldable hanging ladder of this utility model, including the ladder main of a font architecture and have multiple marking time.The top of ladder main rotates and is connected with a pedal, has horizontal opening and two duties of folding, and the rear end of pedal is provided with hook；The top of ladder main also rotates and is connected with a bar, has equally and opens and two duties of folding；The bottom of ladder main then has telescopic foot of ladder.Design whereby so that compared to existing technologies, complete function, the suitability are extensive for this utility model, and there is splendid operating experience, alleviate the operation easier of user, it is provided that operator is stable and supports reliably, the most also there is saving space, the advantage of convenient for collecting.
Above-described embodiment only for technology of the present utility model design and feature are described, its object is to allow person skilled in the art will appreciate that content of the present utility model and to implement according to this, can not limit protection domain of the present utility model with this.All equivalence changes made according to this utility model spirit or modification, all should contain within protection domain of the present utility model.
Claims (10)
1. a telescopic foldable hanging ladder, it is characterised in that: including a ladder main being vertically arranged, this ladder main is yi shaped ladder structure, and parallel is provided with multiple marking time；
The top of described ladder main is provided with a pedal, and the front end of this pedal is rotationally connected with ladder main, has horizontal opening and two duties of folding；The rear end of described pedal is provided with a hook, and this hook has one and arranges crook down；
The top of described ladder main is also provided with a bar, and this bar is rotationally connected with ladder main, has and opens and two duties of folding；
The bottom of described ladder main has telescopic foot of ladder.
Hanging ladder the most according to claim 1, it is characterized in that: on described pedal, the hinged place in described pedal Yu described ladder main is provided with a pedal locking device, this pedal locking device includes one first springy locking member, to positioning hole at least provided with first, second liang in described ladder main by the first springy locking member；
Wherein, the open mode of the first hole, location correspondence locking pedal；The folding state of the second hole, location correspondence locking pedal.
Hanging ladder the most according to claim 2, it is characterized in that: described first springy locking member includes one first purl, one first spring it is arranged with on this first purl, and first the front end of spring against being positioned on described first purl, the rear end of described first spring is then resisted against on a positioning seat, and the most described pedal of this positioning seat is fixed；
The front end of described first purl is the first locking head, and this first locking head is correspondingly arranged with described first hole, location and described second hole, location；Being additionally provided with one first traction handle on described first purl, this first traction handle drives the first purl to bounce back backward, to realize the first purl to described first hole, location or the unblock in described second hole, location.
Hanging ladder the most according to claim 3, it is characterised in that: described first traction handle is curved bar shape, has the handle portion of a needle body being parallel to described first purl, and connects a connecting rod of described needle body and described handle portion；And, on described pedal, corresponding described connecting rod is provided with a locating slot, the notch of this locating slot is offered backwards, and there is an acclivitous hypotenuse, constitute described handle portion with described needle body for axle be rotated up time, described connecting rod via this hypotenuse against the displacement done backward, and then drive described first purl to bounce back backward.
Hanging ladder the most according to claim 1, it is characterized in that: on described bar, the hinged place in described bar Yu described ladder main is provided with a bar locking device, this bar locking device includes one second springy locking member, to positioning hole at least provided with the 3rd, the 4th liang in described ladder main by the second springy locking member；
Wherein, the open mode of the 3rd hole, location correspondence locking bar；The folding state of the 4th hole, location correspondence locking bar.
Hanging ladder the most according to claim 5, it is characterized in that: described second springy locking member includes one second purl, being arranged with one second spring on this second purl, and the front end of the second spring is against being positioned on described second purl, the rear end of described second spring is then resisted against on described bar；
The front end of described second purl is the second locking head, and this second locking head is correspondingly arranged with described 3rd hole, location and described 4th hole, location；Being additionally provided with one second traction handle on described second purl, this second traction handle drives the second purl to bounce back backward, to realize the second purl to described 3rd hole, location or the unblock in described 4th hole, location.
Hanging ladder the most according to claim 6, it is characterised in that: described second traction handle is bent to form in the end of described second purl；
In described ladder main, the movement locus of corresponding described second locking head is formed with one and compresses inclined-plane, and this compresses the side that inclined-plane is formed at the rotation direction of described bar, and towards the vertical center position inclination of described ladder main.
Hanging ladder the most according to claim 1, it is characterized in that: the bottom of described ladder main is provided with a foot of ladder locking device, this foot of ladder locking device includes one the 3rd springy locking member, to being provided with several 5th hole, location in described foot of ladder by the 3rd springy locking member, each described 5th hole, location is spaced substantially equidistant along the short transverse of foot of ladder.
Hanging ladder the most according to claim 8, it is characterized in that: described 3rd springy locking member includes one the 3rd purl, one the 3rd spring it is arranged with on 3rd purl, and the 3rd the front end of spring against being positioned on described 3rd purl, the rear end of described 3rd spring is then resisted against on a limit base, and the most described ladder main of this limit base is fixed；
The front end of described 3rd purl is the 3rd locking head, and the 3rd locking head is correspondingly arranged with described 5th hole, location；Being additionally provided with one the 3rd traction handle on described 3rd purl, the 3rd traction handle drives the 3rd purl to bounce back backward, to realize the unblock to described 5th hole, location of the 3rd purl.
Hanging ladder the most according to claim 9, it is characterised in that: described 3rd traction handle is bent to form in the end of described 3rd purl；
Being additionally provided with a limit point on described foot of ladder, this limit point is towards the top in described 5th hole, location being located at described foot of ladder the top inside described ladder main, and corresponding described limit point is provided with a limited block inside described ladder main.
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| CN201620434397.XU CN205654287U (en) | 2016-05-13 | 2016-05-13 | Scalable folding string of ladder |
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| CN201620434397.XU CN205654287U (en) | 2016-05-13 | 2016-05-13 | Scalable folding string of ladder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735882A (en) * | 2016-05-13 | 2016-07-06 | 苏州飞华铝制工业有限公司 | Retractable folding hanging ladder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735882A (en) * | 2016-05-13 | 2016-07-06 | 苏州飞华铝制工业有限公司 | Retractable folding hanging ladder |
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