CN214170427U - Herringbone ladder with platform - Google Patents
Herringbone ladder with platform Download PDFInfo
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- CN214170427U CN214170427U CN202022221321.8U CN202022221321U CN214170427U CN 214170427 U CN214170427 U CN 214170427U CN 202022221321 U CN202022221321 U CN 202022221321U CN 214170427 U CN214170427 U CN 214170427U
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- footboard
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Abstract
The utility model relates to a herringbone ladder with platform, including preceding ladder frame, back ladder frame and hookup ear, preceding ladder frame includes preceding ladder pipe, footboard, first platform footboard and second platform footboard, the width of first platform footboard is greater than the width of second platform footboard, and the width of second platform footboard is greater than the width of footboard, preceding ladder pipe and preceding ladder pipe are relative and upright, first platform footboard, second platform footboard and footboard set up between preceding ladder pipe and preceding ladder pipe in a rotating manner in proper order; moreover, the first platform pedal and the second platform pedal with large working areas are arranged, a user can stand on the first platform pedal or the second platform pedal according to the working height, the working areas are large, the user can turn on the first platform pedal or the second platform pedal, a comfortable working state is obtained, and the practicability of the herringbone ladder is greatly improved.
Description
Technical Field
The utility model relates to a take double ladder of platform.
Background
In the common herringbone ladder in the market, only one pair of shoes can be exactly placed on the standing face of the platform, or the area is a little larger, and almost no space is available for rotation.
Preceding ladder pipe and preceding ladder are the splayed extension between the pipe, consequently when reaching the handrail position, mostly between knee to thigh, also can only barely go into to normal weight adult, and the slightly fat adult of size is difficult to the handrail position of going into, and the focus of being equivalent to the people is moved outward to the ladder, and this has certain harmful effects to use experience and security.
In the market, a ladder with a platform is also provided, so that the problems can be improved to a certain extent, but the ladder is heavy in design, occupies a large space after being folded, and is not easy to store and transfer.
Most of the existing ladders only meet basic ascending requirements, rarely meet the requirement of large operation area, are small in folding size, convenient to store, portable, good in use experience, high in safety factor and the like. The invention designs a herringbone ladder with a platform for adding the ladder.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a double ladder that area of operation is big, and receive the small herringbone ladder of conveniently storing of receipts.
The purpose of the utility model is realized like this:
a herringbone ladder with a platform comprises a front ladder frame, a rear ladder frame and connecting lugs, wherein the front ladder frame comprises a front ladder pipe, pedals, a first platform pedal and a second platform pedal, the width of the first platform pedal is larger than that of the second platform pedal, the width of the second platform pedal is larger than that of the pedals, the front ladder pipe and the front ladder pipe are opposite to each other, and the first platform pedal, the second platform pedal and the pedals are sequentially arranged between the front ladder pipe and the front ladder pipe in a rotating mode;
the rear ladder frame comprises a rear ladder tube and a rear cross rod, the rear ladder tube stands oppositely, and the rear cross rod is arranged between the rear ladder tube and the rear ladder tube at intervals; the hookup ear is opened there are outer tube seat and inner tube seat, the upper end of preceding ladder pipe is fixed on inner tube seat, and the upper end of back ladder pipe sets up on outer tube seat with the rotation mode to it realizes unfolding each other or folding each other through the hookup ear to make preceding ladder frame and back ladder frame, and when preceding ladder frame and back ladder frame were folded each other in addition, preceding ladder frame was hidden in the inner chamber of back ladder frame.
Preceding ladder frame and back ladder frame realize expanding each other or folding each other through the hookup ear, because preceding ladder union coupling of preceding ladder frame is at the inner tube groove of hookup ear, and the outer tube groove of the back ladder union coupling of back ladder frame at the hookup ear, when preceding ladder frame and back ladder frame are folding each other, preceding ladder frame is hidden in the inner chamber of back ladder frame, reduces occupation space, improves the space interest rate, convenient transportation and accomodate.
Moreover, the first platform pedal and the second platform pedal with large working areas are arranged, a user can stand on the first platform pedal or the second platform pedal according to the working height, the working areas are large, the user can turn on the first platform pedal or the second platform pedal, a comfortable working state is obtained, and the practicability of the herringbone ladder is greatly improved.
The purpose of the utility model can also adopt the following technical measures to solve:
more specifically, the first platform tread has a size of 36cm by 36 cm. The area of the first platform pedal is 36cm by 36cm, and exceeds 200 square inches, so that the requirement of the American standard ANSI A14.2 platform ladder is met, and a user can safely turn around on the working platform to switch the working state.
As more specific scheme, piece and concatenation footboard are strengthened including dress trim cover, side to first platform footboard, the concatenation footboard includes two at least footboards, footboard and footboard splice each other and form the concatenation footboard, the piece setting is strengthened in the bottom left and right both sides of concatenation footboard to the side, dress trim cover overlaps respectively and puts the left and right both sides of concatenation footboard and shelters from the side and strengthen the piece. Because the width of the first platform pedal is increased, the bearing capacity of the first platform pedal is enhanced by additionally arranging the side reinforcing pieces, and the safety of the herringbone ladder is greatly improved.
As a more specific scheme, the pedal device further comprises a first connecting rod, a second connecting rod and a third connecting rod, wherein the lower end of the first connecting rod is rotatably connected with the second platform pedal, the upper end of the first connecting rod is rotatably connected with the first platform pedal, the upper end of the second connecting rod is rotatably connected with the first connecting rod, the lower end of the second connecting rod is rotatably connected with a rear cross rod close to the second platform pedal, the upper end of the third connecting rod is connected with the second platform pedal, and the rod body of the third connecting rod and the lower end of the third connecting rod are respectively connected with the pedals. The first platform pedal and the second platform pedal are respectively connected with a first connecting rod, the first connecting rod is connected with a second connecting rod, the second connecting rod is connected with a rear ladder frame, the third connecting rod is connected with the second platform pedal and the pedals, when the front ladder frame and the rear ladder frame are unfolded or folded mutually, the first connecting rod and the second connecting rod drive the first platform pedal and the second platform pedal to be unfolded or folded synchronously, and the third connecting rod drives the pedals to be unfolded or folded synchronously along with the second platform pedal.
As a more specific scheme, the anti-overturning mechanism is a blocking piece, a rotating shaft is arranged on the side wall of the second platform pedal, a shaft hole is formed in the lower end of the first connecting rod, the rotating shaft penetrates through the shaft hole, the first connecting rod rotates by taking the rotating shaft as a rotating center, the blocking piece is arranged on the side wall of the second platform pedal and located below the rotating shaft, the distance between the blocking piece and the rotating shaft is smaller than the distance between the center of the shaft hole and the lower end of the first connecting rod, and the blocking piece blocks the first connecting rod from rotating in the counterclockwise direction. The separation blade hinders first connecting rod toward the anticlockwise rotation, therefore first connecting rod only can toward the clockwise rotation, and preceding ladder frame and back ladder frame expand each other or when folding each other, avoid first platform footboard or second platform footboard card to die, the condition such as reversal, improve the practicality of double ladder greatly.
As a more specific scheme, the pedal is further provided with a limiting spacer bush and a first supporting reinforcing piece, the pedal is provided with a transverse shaft, one end of the first supporting reinforcing piece is connected to the front ladder pipe and close to the lower end of the front ladder pipe, the other end of the first supporting reinforcing piece is connected to one end of the limiting spacer bush, and the other end of the limiting spacer bush is connected to the transverse shaft of the pedal close to the lower end of the front ladder pipe. The rotating track of the pedal is avoided ingeniously, the first supporting reinforcing sheet is added, and the bottom bearing capacity of the herringbone ladder is enhanced.
As a more specific scheme, the rear ladder comprises a rear ladder tube, a rear cross bar and a second supporting reinforcing sheet, wherein one end of the second supporting reinforcing sheet is connected to the rear ladder tube and close to the lower end of the rear ladder tube, and the other end of the second supporting reinforcing sheet is connected to the rear cross bar close to the lower end of the rear ladder tube. And a second supporting reinforcing sheet is added to enhance the bottom bearing capacity of the herringbone ladder.
As a more specific scheme, the elevator car further comprises a handrail, one end of the handrail is connected with the upper end of one front ladder tube, and the other end of the handrail is connected with the upper end of the other front ladder tube. Through being provided with the handrail, the user stands when first platform footboard or second platform footboard, and the handrail plays fine guard action, ensures that the user can turn round on the platform, selects comfortable operating condition.
More specifically, the tool box further comprises a tool box and a rotating arm, wherein the rotating arm is connected to the connecting lug, the rotating arm rotates by taking the connecting part as a rotation center, and the tool box is movably connected to the rotating arm. When in use, the tool box is opened to a working state, which can better assist a user to work aloft,
more specifically, the rotating arm is provided with a sliding groove along a length direction thereof, the tool box is provided with a sliding shaft, the sliding shaft is inserted into the sliding groove, the tool box rotates with the sliding shaft as a rotation center, and the tool box moves along the sliding shaft when the sliding shaft slides along the sliding groove. When the tool box is folded, the tool box is hidden in the front ladder frame, so that the folding volume of the herringbone platform ladder is smaller, the thickness of the herringbone platform ladder is thinner, the transportation cost is reduced, and the occupied space is reduced.
The utility model has the advantages as follows:
the utility model discloses, preceding ladder frame and back ladder frame realize expanding each other or folding each other through the hookup ear, because preceding ladder union coupling of preceding ladder frame is at the inner tube groove of hookup ear, and the back ladder union coupling of back ladder frame is at the outer tube groove of hookup ear, and when preceding ladder frame and back ladder frame are folding each other, preceding ladder frame is hidden in the inner chamber of back ladder frame, reduces occupation space, improves the space interest rate, convenient transportation and accomodate.
The utility model discloses, be equipped with the great first platform footboard of working area and second platform footboard, the user can stand on first platform footboard or second platform footboard according to operating height, and working area is great moreover, ensures that the user can turn round on first platform footboard or second platform footboard, obtains comfortable operating condition, improves the practicality of double ladder greatly.
The utility model discloses, the size of first platform pedal is 36 cm. The area of the first platform pedal is 36cm by 36cm, and exceeds 200 square inches, so that the requirement of the American standard ANSI A14.2 platform ladder is met, and a user can safely turn around on the working platform to switch the working state.
The utility model discloses, the separation blade hinders first connecting rod toward the counter clockwise rotation, and consequently first connecting rod only can be toward the clockwise rotation, and preceding ladder frame and back ladder frame expand each other or when folding each other, avoid first platform footboard or second platform footboard card to die, the circumstances such as reversal, improve the practicality of double ladder greatly.
Drawings
Fig. 1 is a schematic view of an open state of a trestle ladder with a platform.
Fig. 2 is a schematic view of a trestle ladder with a platform in a folded state.
Fig. 3 is a schematic view of a first landing step of a catwalk with a landing.
Fig. 4 is another angular schematic view of the first platform tread of a catwalk with a platform.
Fig. 5 is a schematic diagram of the anti-overturning of the herringbone ladder with the platform.
Figure 6 is a bottom enhancement schematic of a herringbone ladder with platforms.
Fig. 7 is a schematic view of a foot cover of a herringbone ladder with a platform.
Fig. 8 is another angle view of the foot cover of the herringbone ladder with the platform.
Fig. 9 is another angle view of the foot cover of the herringbone ladder with the platform.
Figure 10 is a tool box deployment view of a catwalk with a platform.
Figure 11 is a tool box closed schematic of a catwalk with a platform.
Fig. 12 is a bottom-enhanced schematic view (step-rotated state) of a herringbone ladder with a platform.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
embodiment, as shown in fig. 1 to 12, a herringbone ladder with a platform comprises a front ladder frame 1, a rear ladder frame 2, a coupling lug 3, a first connecting rod 4, a second connecting rod 5, a third connecting rod 9 and an anti-overturning mechanism, wherein the front ladder frame 1 comprises a front ladder pipe 11, a pedal 12, a first platform pedal 13, a second platform pedal 14, a handrail 15, a tool box 16, a rotating arm 17, a spacing sleeve 18 and a first supporting reinforcing sheet 19, the first platform pedal 13 comprises a decorative cover 131, a side reinforcing sheet 132 and a spliced pedal 133, the spliced pedal 133 comprises at least two pedals 12, the pedals 12 and the pedals 12 are spliced with each other to form a spliced pedal 133, the side reinforcing sheets 132 are arranged at the left side and the right side of the bottom of the spliced pedal 133, and the decorative covers 131 are respectively arranged at the left side and the right side of the spliced pedal 133 and cover the side reinforcing sheets 132.
The size of the first platform pedal 13 is 36cm x 36cm, the width of the first platform pedal 13 is larger than that of the second platform pedal 14, the width of the second platform pedal 14 is larger than that of the pedal 12, the front ladder tube 11 and the front ladder tube 11 are opposite and stand, and the first platform pedal 13, the second platform pedal 14 and the pedal 12 are sequentially and rotatably arranged between the front ladder tube 11 and the front ladder tube 11.
Referring to fig. 12, the pedal 12 is provided with a cross shaft 6, one end of the first support reinforcing plate 19 is connected to the front ladder tube 11 and near the lower end thereof, the other end of the first support reinforcing plate 19 is connected to one end of the spacing spacer 18, and the other end of the spacing spacer 18 is connected to the cross shaft 6 of the pedal 12 near the lower end of the front ladder tube 11. The spacing spacer 18 is used for enabling the first supporting reinforcing sheet 19 to be assembled in the pedal rotation blind area 20 by utilizing the distance of the spacing spacer 18, and the rotation of the pedal 12 is not influenced.
One end of the handrail 15 is connected with the upper end of the front ladder tube 11, and the other end of the handrail 15 is connected with the upper end of the other front ladder tube 11. The rotating arm 17 is connected to the connecting lug 3, the rotating arm 17 rotates with the joint as a rotation center, the rotating arm 17 is provided with a sliding groove 171 along the length direction, the tool box 16 is provided with a sliding shaft 161, the sliding shaft 161 is inserted into the sliding groove 171, the tool box 16 rotates with the sliding shaft 161 as the rotation center, and when the sliding shaft 161 slides along the sliding groove 171, the tool box 16 moves along with the sliding shaft 161.
The connection lug 3 is opened has outer tube seat 31 and inner tube seat 32, the upper end of preceding ladder pipe 11 is fixed on inner tube seat 32, and the upper end of back ladder pipe 21 sets up on outer tube seat 31 with the rotation mode to it realizes mutual expansion or mutual folding to make preceding ladder frame 1 and back ladder frame 2 through connection lug 3, and when preceding ladder frame 1 and back ladder frame 2 were folding each other in addition, preceding ladder frame 1 was hidden in the inner chamber of back ladder frame 2.
The anti-overturning mechanism is a baffle 7, the side wall of the second platform pedal 14 is provided with a rotating shaft 141, and the baffle 7 is arranged on the side wall of the second platform pedal 14 and located below the rotating shaft 141.
The upper end of first connecting rod 4 rotates with first platform footboard 13 and is connected, and open the lower extreme of first connecting rod 4 has shaft hole 41, pivot 141 passes shaft hole 41, and the lower extreme of first connecting rod 4 rotates with second platform footboard 14 to be connected, and first connecting rod 4 uses pivot 141 to rotate as the rotation center, the distance between separation blade 7 and the pivot 141 is less than the center of shaft hole 41 to the lower extreme distance of first connecting rod 4, therefore separation blade 7 hinders first connecting rod 4 toward anticlockwise rotation.
The upper end of the second connecting rod 5 is rotatably connected with the first connecting rod 4, and the lower end of the second connecting rod 5 is rotatably connected with the rear cross rod 22 close to the second platform pedal 14.
The upper end of the third connecting rod 9 is connected with the second platform pedal 14, and the rod body of the third connecting rod 3 and the lower end of the third connecting rod 9 are respectively connected with the corresponding pedal 12.
The lower end of the front ladder tube 11 of the front ladder frame 1 is provided with the foot sleeves 8, the lower end of the rear ladder tube 21 of the rear ladder frame 2 is provided with the foot sleeves 8, the foot sleeves 8 and the foot sleeves 8 are designed to be integrated with rock elements, the foot sleeves 8 are uneven in appearance, and a user can visually feel that the foot sleeves 8 are on the ground.
When the herringbone ladder is unfolded:
a user expands a front ladder frame 1 and a rear ladder frame 2 mutually, a second connecting rod 5 drives a first connecting rod 4 to act, the first connecting rod 4 drives a first platform pedal 13 and a second platform pedal 14 to turn synchronously, a third connecting rod 9 drives a pedal 12 to turn synchronously along with the second platform pedal 14, and the first platform pedal 13, the second platform pedal 14 and the pedal 12 are expanded synchronously.
At this time, a user can hold the handrail 15 and step on the pedal 12, the second platform pedal 14 and the first platform pedal 13 to climb, the size of the first platform pedal 13 is 36cm by 36cm and exceeds 200 square inches, so that the requirement of the American standard ANSI A14.2 platform ladder is met, the user can safely turn around on the working platform and switch the working state, the design size of the second platform pedal 14 is smaller than that of the platform, a small working platform can be formed, and the user can stand on the platform to work so as to adapt to different working heights.
When the herringbone ladder is folded:
a user folds a front ladder frame 1 and a rear ladder frame 2 mutually, a second connecting rod 5 drives a first connecting rod 4 to move, the first connecting rod 4 drives a first platform pedal 13 and a second platform pedal 14 to turn synchronously, a third connecting rod 9 drives a pedal 12 to turn synchronously along with the second platform pedal 14, so that the first platform pedal 13, the second platform pedal 14 and the pedal 12 are folded synchronously, a rear ladder tube 21 is connected to an outer tube groove 31 of a connecting lug 3, and a front ladder tube 11 is connected to an inner tube groove 32 of the connecting lug 3, so that when the front ladder frame 1 and the rear ladder frame 2 are folded mutually, the front ladder frame 1 is hidden in an inner cavity of the rear ladder frame 2, the size of a herringbone ladder is reduced, the storage space is small, the cabinet loading amount is large, and the transportation cost is low.
Anti-overturning:
because separation blade 7 hinders first connecting rod 4 toward anticlockwise rotation, consequently first connecting rod 4 can only toward clockwise rotation to when guaranteeing the ladder open and shut, avoid first platform footboard 13 or second platform footboard 14 circumstances such as card die, reversal, improve the practicality of double ladder greatly.
Claims (10)
1. The utility model provides a double ladder of band platform, includes preceding ladder frame, back ladder frame and hookup ear, its characterized in that: the front ladder frame comprises a front ladder pipe, a pedal, a first platform pedal and a second platform pedal, the width of the first platform pedal is larger than that of the second platform pedal, the width of the second platform pedal is larger than that of the pedal, the front ladder pipe and the front ladder pipe are opposite to each other, and the first platform pedal, the second platform pedal and the pedal are sequentially arranged between the front ladder pipe and the front ladder pipe in a rotating mode;
the rear ladder frame comprises a rear ladder tube and a rear cross rod, the rear ladder tube stands oppositely, and the rear cross rod is arranged between the rear ladder tube and the rear ladder tube at intervals; the hookup ear is opened there are outer tube seat and inner tube seat, the upper end of preceding ladder pipe is fixed on inner tube seat, and the upper end of back ladder pipe sets up on outer tube seat with the rotation mode to it realizes unfolding each other or folding each other through the hookup ear to make preceding ladder frame and back ladder frame, and when preceding ladder frame and back ladder frame were folded each other in addition, preceding ladder frame was hidden in the inner chamber of back ladder frame.
2. The step ladder with platform of claim 1, wherein: the first platform pedal has a size of 36cm by 36 cm.
3. The step ladder with platform of claim 1, wherein: first platform footboard includes dress trim cover, side enhancement piece and concatenation footboard, the concatenation footboard includes two at least footboards, footboard and footboard splice each other and form the concatenation footboard, the piece setting is strengthened in the bottom left and right both sides of concatenation footboard in the side, dress trim cover overlaps respectively to be put in the left and right both sides of concatenation footboard and shelters from the side and strengthens the piece.
4. The step ladder with platform of claim 1, wherein: the lower end of the first connecting rod is rotatably connected with the second platform pedal, the upper end of the first connecting rod is rotatably connected with the first platform pedal, the upper end of the second connecting rod is rotatably connected with the first connecting rod, the lower end of the second connecting rod is rotatably connected with a rear cross rod close to the second platform pedal, the upper end of the third connecting rod is connected with the second platform pedal, and the rod body of the third connecting rod and the lower end of the third connecting rod are respectively connected with the pedals.
5. The step ladder with platform of claim 4, wherein: still include anti-overturning mechanism, anti-overturning mechanism is the separation blade, the lateral wall of second platform footboard is provided with the pivot, and open the lower extreme of first connecting rod has the shaft hole, the shaft hole is passed in the pivot, and first connecting rod uses the pivot to rotate as rotation center, the separation blade sets up at the lateral wall of second platform footboard and is located the pivot below, and the distance between separation blade and the pivot is less than the center in shaft hole to the lower extreme distance of first connecting rod, and the separation blade hinders first connecting rod toward anticlockwise rotation.
6. The step ladder with platform of claim 1, wherein: still strengthen the piece including spacing spacer and first support, the footboard is provided with the cross axle, first support is strengthened piece one end and is connected in the front on the ladder pipe and be close to its lower extreme, and spacing spacer one end is connected to the first support and is strengthened piece other end, and spacing spacer other end is connected on the cross axle of the footboard that is close to preceding ladder pipe lower extreme.
7. The step ladder with platform of claim 1, wherein: still support the enhancement piece including the second, the second supports and strengthens piece one end and connect on the back ladder pipe and be close to its lower extreme, and the second supports and strengthens piece other end and connect on being close to the back horizontal pole of back ladder pipe lower extreme.
8. The step ladder with platform of claim 1, wherein: the handrail is characterized by further comprising a handrail, wherein one end of the handrail is connected with the upper end of the front ladder pipe, and the other end of the handrail is connected with the upper end of the other front ladder pipe.
9. The step ladder with platform of claim 1, wherein: the tool box is movably connected with the rotating arm.
10. The step ladder with platform of claim 9, wherein: the tool box is characterized in that the rotary arm is provided with a sliding groove along the length direction, the tool box is provided with a sliding shaft, the sliding shaft is inserted into the sliding groove, the tool box rotates by taking the sliding shaft as a rotating center, and when the sliding shaft slides along the sliding groove, the tool box moves along with the sliding shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022221321.8U CN214170427U (en) | 2020-10-07 | 2020-10-07 | Herringbone ladder with platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022221321.8U CN214170427U (en) | 2020-10-07 | 2020-10-07 | Herringbone ladder with platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214170427U true CN214170427U (en) | 2021-09-10 |
Family
ID=77596795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022221321.8U Active CN214170427U (en) | 2020-10-07 | 2020-10-07 | Herringbone ladder with platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214170427U (en) |
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2020
- 2020-10-07 CN CN202022221321.8U patent/CN214170427U/en active Active
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