CN105735882A - Retractable folding hanging ladder - Google Patents
Retractable folding hanging ladder Download PDFInfo
- Publication number
- CN105735882A CN105735882A CN201610316069.4A CN201610316069A CN105735882A CN 105735882 A CN105735882 A CN 105735882A CN 201610316069 A CN201610316069 A CN 201610316069A CN 105735882 A CN105735882 A CN 105735882A
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- CN
- China
- Prior art keywords
- ladder
- purl
- hole
- location
- pedal
- 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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/34—Ladders attached to structures, such as windows, cornices, poles, or the like
- E06C1/36—Ladders suspendable by hooks or the like
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/383—Foldable ladders in which the longitudinal members are brought together on folding
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/387—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders having tip-up steps
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/18—Devices for preventing persons from falling
- E06C7/181—Additional gripping devices, e.g. handrails
- E06C7/182—Additional gripping devices, e.g. handrails situated at the top of the ladder
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/42—Ladder feet; Supports therefor
- E06C7/426—Height adjustable supports for receiving both ladder feet
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/50—Joints or other connecting parts
- E06C7/505—Anchors being adapted to fix a ladder to a vertical structure, e.g. ladder hooks
Abstract
The invention relates to a retractable folding hanging ladder, characterized by comprising a vertically arranged ladder body of a straight structure, wherein the ladder body is provided with a plurality of foot steps in parallel; a pedal is connected with the upper part of the ladder body, the front end of the pedal is connected with the ladder body in a rotary mode, the pedal has two operating modes of being horizontally unfolded and folded; a hanger is arranged at the back end of the pedal and is provided with a downward hook part; a grab bar is also connected with the upper part of the ladder body and is connected with the ladder body in a rotary mode, the grab bar has two operating modes of being unfolded and folded; and the lower part of the ladder body is provided with retractable ladder feet. By virtue of the design, compared with the prior art, the retractable folding hanging ladder has the advantages of thorough functions, broad applicability, superior operation experience, space saving and convenience in storage, reduces the difficulty in operation for users and provides operators with stable and reliable support.
Description
Technical field
The present invention relates to a kind of hanging ladder, be 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 is also possible in 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, someone passes through to tilt erection ladder or the mode of flat board is conveniently ascended a height, but due to ladder or flat board be inclined shore on the ground, therefore exist support unstable, it is easy to the problem toppled 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, the side plate in this hook and 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 linked up with, but the prior art has the disadvantage that the foot of ladder of hanging ladder, bar and pedal or fixing nonadjustable, inconvenience storage, or unlock, regulate to get up to waste time and energy, use inconvenience.
Therefore, how to solve the deficiency that above-mentioned prior art exists, just become the problem that the present invention to study.
Summary of the invention
It is an object of the invention to provide a kind of telescopic foldable hanging ladder, to solve the problem that prior art unlocks and regulates inconvenience.
For reaching above-mentioned purpose, the technical solution used in the present invention 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 and ladder main are rotationally connected, and have horizontal opening and two duties of folding；The rear end of described pedal is provided with a hook, and this hook has under one day and arranges crook.
The top of described ladder main is also provided with a bar, and this bar and ladder main are rotationally connected, and have and open 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 adjustment of described foot of ladder retracted position and fixing realized by a foot of ladder locking device.
5. in such scheme, described pedal is provided with a pedal locking device in the hinged place of described pedal Yu described ladder main, 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, namely when the first springy locking member and the first location hole lock fit；The folding state of the second hole, location correspondence locking pedal, namely when the 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, this first purl is arranged with one first spring, 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 relatively 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；Described first purl is additionally provided with one first traction handle, this first traction handle drives the first purl to bounce back backward, to realize the unblock to described first hole, location or described second hole, location of first purl, and the tension force of locking dependence described first spring self that the first purl positions hole or the second hole, location to first realizes.
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 when axially rotating, 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 positions hole or the second hole, location from first, realize unlocking.
8. in such scheme, described bar is provided with a bar locking device in the hinged place of described bar Yu described ladder main, 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, namely when the second springy locking member and the 3rd location hole lock fit；The folding state of the 4th hole, location correspondence locking bar, namely when the second springy locking member and the 4th location hole lock fit.
9. in such scheme, described second springy locking member includes one second purl, this second purl is arranged with one second spring, 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；Described second purl is additionally provided with one second traction handle, this second traction handle drives the second purl to bounce back backward, to realize the unblock to described 3rd hole, location or described 4th hole, location of second purl, and the tension force of locking dependence described second spring self that the second purl positions hole or the 4th hole, location to the 3rd realizes.
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 positions hole or the 4th hole, location from the 3rd, 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 tilts towards the vertical center position 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 produces to compress by 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 inclined-plane place time, by being obliquely installed of described inclined-plane, progressively stepped down space out to the second locking head, now 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.
11. in such scheme, 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.
12. in such scheme, described 3rd springy locking member is located at inside ladder main, including one the 3rd purl, 3rd purl is arranged with one the 3rd spring, 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 relatively 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；Described 3rd purl is additionally provided with one the 3rd traction handle, 3rd traction handle drives the 3rd purl to bounce back backward, to realize the 3rd purl to the described 5th unblock positioning hole, and the locking that the 3rd purl positions hole to the 5th relies on the tension force of described 3rd spring self to realize.
13. in such scheme, 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 positions hole from the 5th, it is achieved unlock；
Being additionally provided with a limit point on described foot of ladder, this limit point is located at the top in described 5th hole, location of 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 the spacing cooperation of described limit point and 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 and the advantage of the present invention are as follows:
A kind of telescopic foldable hanging ladder of the present invention, 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 the present invention, and there is splendid operating experience, alleviate the operation easier of user, it is provided that operator is stable and supports reliably, additionally also there is the advantage saving space, convenient for collecting.
Accompanying drawing explanation
Accompanying drawing 1 is embodiment of the present invention pedal and structural representation when bar is opened and foot of ladder stretches out；
Structural representation when accompanying drawing 2 is embodiment of the present invention pedal and bar folding and foot of ladder is retracted；
Accompanying drawing 3 is the side view of Fig. 2；
Accompanying drawing 4 is embodiment of the present invention structural representation when pedal is opened under looking up visual angle；
Accompanying drawing 5 is the enlarged drawing at A place in Fig. 4；
Accompanying drawing 6 is structural representation when embodiment of the present invention pedal folding and locking.
Accompanying drawing 7 is the enlarged drawing at A place in Fig. 6；
Accompanying drawing 8 is structural representation when embodiment of the present invention pedal folding and unblock；
Accompanying drawing 9 is the enlarged drawing at A place in Fig. 8；
Accompanying drawing 10 is the structural representation of the embodiment of the present invention the first springy locking member lock-out state；
Accompanying drawing 11 is the structural representation of the embodiment of the present invention the first springy locking member released state；
Structural representation when accompanying drawing 12 is the embodiment of the present invention bar is opened under overlooking visual angle；
Accompanying drawing 13 is the enlarged drawing at A place in Figure 12；
Structural representation when accompanying drawing 14 is that under embodiment of the present invention side-looking visual angle, bar is opened；
Accompanying drawing 15 is the structural representation at Figure 14 master visual angle；
Accompanying drawing 16 is the enlarged drawing at A place in Figure 15；
Accompanying drawing 17 is structural representation during bar folding under embodiment of the present invention side-looking visual angle；
Accompanying drawing 18 is the structural representation at Figure 17 master visual angle；
Accompanying drawing 19 is the enlarged drawing at A place in Figure 18；
Structural representation when accompanying drawing 20 is the embodiment of the present invention foot of ladder stretches out under overlooking visual angle；
Accompanying drawing 21 is the enlarged drawing at A place in Figure 20；
Accompanying drawing 22 is the cross-sectional view (released state) at A place in Figure 20；
Accompanying drawing 23 is the cross-sectional view (lock-out state) at A place in Figure 20.
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 seat；12. the first locking head；13. the first traction handle；14. handle portion；15. connecting rod；16. locating slot；17. hypotenuse；18. bar；19. the 3rd hole, location；20. the 4th hole, location；21. the second purl；22. the second spring；23. bulge loop；24. the second locking head；25. the second traction handle；26. compress inclined-plane；27. foot of ladder；28. the 5th hole, location；29. the 3rd purl；30. the 3rd spring；31. the 3rd jump ring；32. limit base；33. the 3rd locking head；34. the 3rd traction handle；35. limit point；36. limited block.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment: 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 and ladder main 1 are rotationally connected, and have 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 under one day and arranges crook 5, 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, the hinged place of this pedal locking device to be located on pedal 3 described pedal 3 and described ladder main 1, 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, namely when the 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, namely when the 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, this first purl 8 is arranged with one first spring 9, 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 the relatively described pedal 3 of this positioning seat 11 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；Described first purl 8 is additionally provided with one first traction handle 13, this first traction handle 13 drives the first purl 8 to bounce back backward, to realize the unblock to described first hole 6, location or described second hole 7, location of first purl 8, and the tension force of locking dependence described first spring 9 self that the first purl 8 positions hole 6 or the second hole 7, location to first realizes.
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 when axially rotating, 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 positions hole 6 or the second hole 7, location from first, 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.
The hinged place of described bar locking device to be located on bar 18 described bar 18 and described ladder main 1, 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, namely when the 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, namely when the second springy locking member and the 4th location hole 20 lock fit.
Described second springy locking member includes one second purl 21, this second purl 21 is arranged with one second spring 22, 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；Described second purl 21 is additionally provided with one second traction handle 25, this second traction handle 25 drives the second purl 21 to bounce back backward, to realize the unblock to described 3rd hole 19, location or described 4th hole 20, location of second purl 21, and the tension force of locking dependence described second spring 22 self that the second purl 21 positions hole 19 or the 4th hole 20, location to the 3rd realizes.
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 positions hole 19 or the 4th hole 20, location from the 3rd, 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 tilts towards the vertical center position 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 produces to compress by 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 26 place, inclined-plane time, being obliquely installed of inclined-plane 26 is compressed by described, progressively stepped down space out to the second locking head 24, now 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 adjustment 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 29,3rd purl 29 is arranged with one the 3rd spring 30, 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 the relatively described ladder main 1 of this limit base 32 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；Described 3rd purl 29 is additionally provided with one the 3rd traction handle 34,3rd traction handle 34 drives the 3rd purl 29 to bounce back backward, to realize the 3rd purl 29 to the described 5th unblock positioning hole 28, and the locking that the 3rd purl 29 positions hole 28 to the 5th relies on the tension force of described 3rd spring 31 self to realize.
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 positions hole 28 from the 5th, it is achieved unlock.
Being additionally provided with a limit point 35 on described foot of ladder 27, this limit point 35 is located at the top in described 5th hole 28, location of 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 the spacing cooperation of described limit point 35 and 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 the present invention, 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 the present invention, and there is splendid operating experience, alleviate the operation easier of user, it is provided that operator is stable and supports reliably, additionally also there is the advantage saving space, convenient for collecting.
Above-described embodiment only for technology design and the feature of the present invention are described, its object is to allow person skilled in the art will appreciate that present disclosure and to implement according to this, can not limit the scope of the invention with this.All equivalences made according to spirit of the invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (10)
1. hanging ladder one kind telescopic foldable, 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 and ladder main are rotationally connected, and have horizontal opening and two duties of folding；The rear end of described pedal is provided with a hook, and this hook has under one day and arranges crook；
The top of described ladder main is also provided with a bar, and this bar and ladder main are rotationally connected, and have and open and two duties of folding；
The bottom of described ladder main has telescopic foot of ladder.
2. hanging ladder according to claim 1, it is characterized in that: described pedal is provided with a pedal locking device in the hinged place of described pedal Yu described ladder main, 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.
3. hanging ladder according to claim 2, it is characterized in that: described first springy locking member includes one first purl, this first purl is arranged with one first spring, 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 relatively 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 unblock to described first hole, location or described second hole, location of first purl.
4. hanging ladder 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 when axially rotating, described connecting rod via this hypotenuse against the displacement done backward, and then drive described first purl to bounce back backward.
5. hanging ladder according to claim 1, it is characterized in that: described bar is provided with a bar locking device in the hinged place of described bar Yu described ladder main, 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.
6. hanging ladder 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 unblock to described 3rd hole, location or described 4th hole, location of second purl.
7. hanging ladder 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 tilts towards the vertical center position of described ladder main.
8. hanging ladder 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.
9. hanging ladder according to claim 8, it is characterized in that: described 3rd springy locking member includes one the 3rd purl, 3rd purl is arranged with one the 3rd spring, 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 relatively 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 3rd purl to the described 5th unblock positioning hole.
10. hanging ladder 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 located at the top in described 5th hole, location of 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610316069.4A CN105735882A (en) | 2016-05-13 | 2016-05-13 | Retractable folding hanging ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610316069.4A CN105735882A (en) | 2016-05-13 | 2016-05-13 | Retractable folding hanging ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105735882A true CN105735882A (en) | 2016-07-06 |
Family
ID=56288547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610316069.4A Pending CN105735882A (en) | 2016-05-13 | 2016-05-13 | Retractable folding hanging ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105735882A (en) |
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| CN106437483A (en) * | 2016-08-30 | 2017-02-22 | 衡阳泰豪通信车辆有限公司 | Climbing suspension ladder capable of being stored by folding and vehicle comprising same |
| CN111315954A (en) * | 2017-11-10 | 2020-06-19 | 伟英企业有限公司 | Ladder walk-through and seating mechanism, ladder incorporating same, and related methods |
| CN111904198A (en) * | 2020-08-13 | 2020-11-10 | 浙江广厦建设职业技术大学 | Dual-purpose ladder |
| CN115217305A (en) * | 2022-06-29 | 2022-10-21 | 海南电网有限责任公司陵水供电局 | Portable operation platform for ring main unit |
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| CN106437483A (en) * | 2016-08-30 | 2017-02-22 | 衡阳泰豪通信车辆有限公司 | Climbing suspension ladder capable of being stored by folding and vehicle comprising same |
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| CN115217305A (en) * | 2022-06-29 | 2022-10-21 | 海南电网有限责任公司陵水供电局 | Portable operation platform for ring main unit |
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Application publication date: 20160706 |
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