CN109538107B - Multifunctional folding ladder - Google Patents
Multifunctional folding ladder Download PDFInfo
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- CN109538107B CN109538107B CN201910046453.0A CN201910046453A CN109538107B CN 109538107 B CN109538107 B CN 109538107B CN 201910046453 A CN201910046453 A CN 201910046453A CN 109538107 B CN109538107 B CN 109538107B
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- shaped structure
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- 230000013011 mating Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000009194 climbing Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- E06C1/38—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
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/50—Joints or other connecting parts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The invention provides a multifunctional folding ladder, and relates to the technical field of ladders. A multi-functional folding ladder comprising: ladder section, connecting part and locking piece; the connecting part comprises a first connecting part, a second connecting part and a third connecting part; the locking piece comprises a first locking piece, a second locking piece, an elastic piece and a bolt. When the multifunctional folding ladder provided by the invention needs to be fixed with the ladder sections, only the second locking piece needs to be simply rotated, and tooth grooves can be automatically meshed; when the movable ladder section is needed, only the second locking piece is needed to be simply rotated and pressed, so that the engaged tooth grooves are separated, the two ladder sections can be rotated, and the movable ladder section has the characteristic of convenient operation.
Description
Technical Field
The invention relates to the technical field of ladders, in particular to a multifunctional folding ladder.
Background
Ladders are commonly used in everyday life, and people can climb up and down by means of the ladder, and can contact places which are inconvenient to access.
Because the ladder occupies a large space, a plurality of folding ladders are arranged on the market at present, and the folding ladders are convenient to store.
The folding ladder on the market uses the bolt to realize rotating between two ladder sections to connect, when fixed, twists the bolt, fixes each ladder section through the clamp force of bolt, when needs activity, need not hard up the bolt, all need realize through twisting the bolt when fixed ladder and fly ladder, the operation is comparatively complicated.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a multifunctional folding ladder, which solves the technical problem that the existing folding ladder is complicated to rotate or fix.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme:
a multi-functional folding ladder comprising:
the ladder section at least comprises two ladder sections;
the adjacent ladder sections are rotationally connected through the connecting parts;
the adjacent ladder sections are relatively fixed through the locking pieces;
wherein, the connecting portion includes:
the first connecting part is provided with a first tooth slot at the outer side;
the first connecting part and the second connecting part are oppositely arranged, and a groove is formed in the outer side of the second connecting part;
the third connecting part is positioned between the first connecting part and the second connecting part and is rotationally connected with the first connecting part and the second connecting part; the third connecting part is provided with a square through hole;
the locking member includes:
the first locking piece is provided with a second tooth groove and a square boss, the second tooth groove can be meshed with the first tooth groove of the first connecting part, and the square boss can be matched with the square through hole;
the second locking piece is provided with a buckle, the buckle can be clamped with the groove, and the second locking piece can be connected with the first locking piece;
and the elastic piece is positioned between the second locking piece and the second connecting part.
Preferably, the locking member further comprises a bolt, the first locking member is provided with a threaded hole, the bolt penetrates through the second locking member, and the bolt is connected with the threaded hole.
Preferably, the ladder section includes:
the side rods are two and are oppositely arranged;
the cross bars are fixed between the side bars which are oppositely arranged.
Preferably, the connection part further includes:
a first rod-shaped structure, a first end of which is connected with the first end of the side rod, and a second end of which is connected with the first connecting part;
a second rod-shaped structure, wherein a first end part of the second rod-shaped structure is connected with a first end part of the side rod, a second end part of the second rod-shaped structure is connected with the second connecting part, and a gap is reserved between the first rod-shaped structure and the second rod-shaped structure;
a third rod-shaped structure, wherein the first end part of the third rod-shaped structure is connected with the second end part of the side rod, and the second end part of the third rod-shaped structure is connected with the third connecting part;
the third rod-like structure is capable of passing through a gap between the first rod-like structure and the second rod-like structure.
Preferably, the first locking piece comprises a round table, a square boss and a cylindrical boss;
the square boss is positioned between the round table and the cylindrical boss;
the second tooth slot is arranged on the round table and is positioned at one side of the round table connected with the square boss; the threaded hole is formed in the cylindrical boss and is located on the opposite side, connected with the square boss, of the cylindrical boss.
Preferably, an annular groove is formed in one side of the buckle of the second locking piece, and the elastic piece is arranged in the annular groove.
Preferably, counter-sunk holes are formed in the opposite sides of the buckles of the second locking piece, and nuts of the bolts can sink into the counter-sunk holes.
Preferably, the second locking member is provided with a handle on the side surface.
Preferably, a first boss is arranged on the outer side of the first connecting part, and a second boss is arranged on the outer side of the second connecting part;
wherein the first locking piece can be inserted into the first boss;
the second locking member can be inserted into the second boss.
(III) beneficial effects
The invention provides a multifunctional folding ladder. Compared with the prior art, the method has the following beneficial effects:
the multifunctional folding ladder provided by the invention is composed of the plurality of rotatably connected ladder sections, can be folded to be in a small enough state when in idle, is convenient to place, saves space and is convenient to carry; when the ladder is used, due to the fact that sufficient rotatability is provided between the ladder sections, the ladder can be deformed into a herringbone ladder, a climbing ladder, a platform ladder and can be used as a floating ladder in a horizontal state after being completely stretched and fixed, and multiple functions are achieved.
In addition, the connected ladder sections of the multifunctional folding ladder are connected through the connecting parts and the locking pieces, so that rotation and relative fixation are realized.
The elastic piece is located between the second connecting portion and the second locking piece, the second connecting portion and the second locking piece have a trend of separation under the elastic action of the elastic piece, and the first locking piece and the first connecting portion have a trend of approaching through the transmission of the bolts. Thus, the second tooth groove is meshed with the first tooth groove through the axial elasticity of the elastic piece, so that the force vertical to the axial direction is obtained, the first locking piece is relatively fixed, the first locking piece is used for fixing the third connecting part through the square boss matched with the square through hole, and the third connecting part is positioned on the ladder sections, so that the adjacent two ladder sections are relatively fixed.
When the movable ladder section is needed, the second locking piece is rotated through the handle, the buckle is enabled to rotate to the groove position, the second locking piece is pressed at the moment, the elastic piece is compressed, the first locking piece is enabled to have a space for moving in the axial direction, then the meshed tooth grooves are separated, at the moment, the force perpendicular to the axial direction is eliminated, the first locking piece is rotatable, the third connecting portion can also rotate, and the fact that two adjacent ladder sections rotate around the locking piece is achieved.
When the multifunctional folding ladder provided by the invention needs to be fixed with the ladder sections, only the second connecting piece needs to be simply rotated, and tooth grooves can be automatically meshed; when the movable ladder sections are needed, only the second connecting piece is needed to be simply rotated and pressed, so that the engaged tooth grooves can be separated, and the two ladder sections can be rotated. The invention has simpler change from the fixed state to the rotating state and from the rotating state to the fixed state, and solves the technical problem that the common folding ladder is complex to operate.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a folding state of a multifunctional folding ladder;
FIG. 2 is a schematic view of a multi-functional folding ladder connection and locking member;
FIG. 3 is a schematic view of a first connection portion of the multi-function folding ladder;
FIG. 4 is a schematic view of a second connection portion of the multi-function folding ladder;
fig. 5 is a schematic view of a third connecting portion of the multi-functional folding ladder
FIG. 6 is a schematic view of a first retaining member of the multi-function folding ladder;
FIG. 7 is a schematic view of a second retaining member snap face of the multi-function folding ladder;
FIG. 8 is a schematic view of a second retaining member of the multi-functional folding ladder with a counter bore;
FIG. 9 is a schematic view of the multi-function folding ladder in an unfolded state;
FIG. 10 is a schematic view of a first state of the multi-function folding ladder;
FIG. 11 is a schematic view of a second state of the multi-function folding ladder;
fig. 12 is a schematic view of a third shape of the multi-functional folding ladder.
Wherein, ladder section 1, connecting portion 2, retaining member 3, first connecting portion 4, second connecting portion 5, third connecting portion 6, first retaining member 7, second retaining member 8, elastic element 9, bolt 10, sleeve 11.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The folding ladder in the market at present can be relaxed solve the storage problem that the ladder is because the length is fixed, but the connecting piece design between each ladder section of these folding ladders is very complicated, need twist the bolt at folding or expand fixed in-process, fix two ladder sections through the clamp force of bolt, to the user, the convenience that folding ladder used has significantly reduced.
In order to solve the above problems, the embodiment of the invention provides a multifunctional folding ladder, which only needs to rotate a part connected with an elastic piece in the unfolding or folding fixing use process, and the meshing state of a tooth slot is changed by changing the matching of a groove and a buckle and the acting force of the elastic piece, so that the purposes of fixing and moving a ladder program are achieved.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
A multi-functional folding ladder, as shown in fig. 1 to 12, comprising: ladder section 1, connecting portion 2 and retaining member 3.
The number of the ladder sections 1 is at least two, and the number of the ladder sections 1 is selected according to actual needs by a person skilled in the art;
the adjacent ladder sections 1 are in rotary connection through the connecting parts 2; and is relatively fixed by the locking piece 3;
wherein the connection part 2 comprises: a first connection 4, a second connection 5 and a third connection 6. A first tooth slot 402 is arranged on the outer side of the first connecting part 4, and a first through hole 403 is arranged on the first connecting part 4; the first connecting portion 3 is opposite to the second connecting portion 5, a groove 502 is formed on the outer side of the second connecting portion 5, and a second through hole 503 is formed in the second connecting portion 5; the third connecting part 6 is located between the first connecting part 4 and the second connecting part 5, and is rotatably connected with the first connecting part 4 and the second connecting part 5, and the third connecting part 6 is provided with a square through hole 601;
the locking member 3 includes: a first locking member 7, a second locking member 8 and an elastic member 9. The first locking member 7 has a second tooth groove 702 and a square boss 703, the second tooth groove 702 can be meshed with the first tooth groove 402 of the first connecting portion 4, the square boss 703 can be matched with the square through hole 601, and the first locking member 7 can be inserted into the first through hole 403 and the second through hole 503; the second locking member 8 is provided with a buckle 802, the buckle 802 can be clamped with the groove 502, and the second locking member 8 can be connected with the first locking member 7; the elastic member 9 is located between the second locking member 8 and the second connecting portion 5.
Specifically, the second locking member 8 is rotatable; when the rotating state is converted into the fixed state, under the elasticity of the elastic piece 9, the second connecting part 4 and the second locking piece 8 have a tendency to be separated, and the second locking piece 8 can be connected with the first locking piece 7 to drive the first locking piece 7 and the first connecting part 4 to have a tendency to be close. Thus, by the elastic force of the elastic member 9 in the axial direction, the second tooth groove 702 is meshed with the first tooth groove 402, so that a force perpendicular to the axial direction is obtained, the first locking member 7 is relatively fixed, the first locking member 7 fixes the third connecting portion 6 through the square boss 703 matched with the square through hole 601, and the third connecting portion 6 is located on the ladder section 1, so that two adjacent ladder sections 1 are fixed.
When the fixed state is converted into the rotating state, the second locking piece 8 is rotated through the handle 801, the buckle 802 is rotated to the position of the groove 502, the second locking piece 8 is pressed at the moment, the elastic piece 9 is compressed, so that the first locking piece 7 has a space for moving in the axial direction, the meshed tooth grooves are separated, at the moment, the force vertical to the axial direction is disappeared, the first locking piece 7 can be rotated, the third connecting part 6 can be rotated, and the rotation of the adjacent two ladder sections around the locking piece is realized.
The folding ladder on the market at present uses two ladder sections of bolt fastening more, from rotation state to fixed state to and change from fixed state to rotation state, need twist the bolt and realize, and the unavoidable needs of this are with the help of the instrument, and often lack the instrument at the scene of use, perhaps need additionally carry the instrument, increase the burden. The multifunctional folding ladder provided by the invention can be realized by simply rotating and pressing the second locking piece 8 from the rotating state to the fixed state and from the fixed state to the rotating state, is simple to operate, does not need tools, and greatly simplifies the use operation of the folding ladder.
Due to the simple fixing and rotating modes, the multifunctional folding ladder can be folded into a folded state through simple operation, and is convenient to store and saves space on one hand when being folded into a state small enough as shown in fig. 1; on the other hand, the portable bag is convenient to carry;
meanwhile, the ladder can be folded to form a ladder state with multiple purposes through simple and convenient operation, as shown in fig. 9, the ladder can be completely unfolded, the length of the ladder can be selected according to requirements, so that a climbing ladder is formed, the climbing is realized, and the ladder can be used as a floating ladder for being used for building a simple bridge if the ladder is completely unfolded and is in a horizontal state.
Folded into the state shown in fig. 10, used as a herringbone ladder, and folded into the state shown in fig. 11 and 12. Thereby realizing multiple purposes of one ladder.
In the above embodiment, for convenience in connection, as shown in fig. 1, the locking member 3 further includes a bolt 10 and a sleeve 11, the first locking member 7 is provided with a threaded hole 705, the second locking member 8 is provided with a third through hole 805, the bolt 10 penetrates through the third through hole 805 of the second locking member 8 and the sleeve 11, and the bolt 10 is connected with the threaded hole 705.
The first locking piece 7 and the second locking piece 8 which are connected through the bolts 10 are convenient to detach and maintain. When the locking device is fixed, the second connecting part 4 and the second locking part 8 have a tendency to be separated under the elasticity of the elastic part 9, and the first locking part 7 and the first connecting part 4 are pulled to have a tendency to approach each other through the transmission of the bolt 10. Thus, the second tooth groove 702 is meshed with the first tooth groove 402 by the elastic force of the elastic piece 9 in the axial direction, so that the force perpendicular to the axial direction is obtained, and the two ladder sections are fixed.
When the movable ladder section is rotated, after the second locking piece 8 is rotated, the second locking piece 8 and the bolt 10 are pressed to compress the elastic piece 9, the first locking piece 7 is provided with a space for movement in the axial direction through the transmission of the bolt 10, and then the engaged tooth grooves are separated, at the moment, the force vertical to the axial direction is eliminated, and the two ladder sections can rotate.
In the embodiment described above, the ladder section 1 comprises two side bars 101 arranged opposite each other and a cross bar 102 between the side bars 101 as shown in fig. 8.
In the specific implementation process of the above embodiment, in order to obtain a larger rotation angle, the following design is adopted: the connecting portion 2 further includes: a first rod-like structure 404, a second rod-like structure 504, and a third rod-like structure 602; a first end of the first rod-shaped structure 404 is connected with a first end of the side rod 101, and a second end of the first rod-shaped structure 404 is connected with the first connecting part 4; a first end of the second rod-shaped structure 504 is connected with a first end of the side rod 101, and a second end of the second rod-shaped structure 504 is connected with the second connecting part 5, and a gap is reserved between the first rod-shaped structure 404 and the second rod-shaped structure 504; the first end of the third rod-shaped structure 602 is connected with the second end of the side rod 10, and the second end of the third rod-shaped structure 602 is connected with the third connecting part 5; the third rod-like structure 602 is capable of passing through a gap between the first rod-like structure 404 and the second rod-like structure 504.
The third rod-shaped structure 602 can ensure that the rotation angle of the third rod-shaped structure 602 can be expanded as much as possible when the ladder section 1 is rotated through the gap between the first rod-shaped structure 404 and the second rod-shaped structure 504, so as to be suitable for more application scenes.
In the embodiment described above, as shown in fig. 6, the first locking member 7 includes a circular table 701, a square boss 703, and a cylindrical boss 704; the square boss 703 is located between the circular table 701 and the cylindrical boss 704; the second tooth grooves 702 are arranged on the round table 701 and are positioned on one side of the round table 701 connected with the square boss 703; the threaded hole 705 is disposed on the cylindrical boss 704, and is located on the opposite side of the cylindrical boss 704 connected to the square boss 703.
In the implementation process of the foregoing embodiment, as shown in fig. 7, in order to facilitate the fixing and positioning of the elastic member 9, an annular groove 804 is disposed inside the side of the buckle 802 of the second locking member 8, and the elastic member 9 is disposed in the annular groove 804.
In the implementation process of the foregoing embodiment, as shown in fig. 8, a counter bore 803 is provided on the opposite side of the buckle 802 of the second locking member 8, and the nut of the bolt 10 can be sunk into the counter bore 803.
In the embodiment, in order to facilitate the rotation of the second locking member 8, the side surface of the second locking member 8 is provided with a handle 801, and the handle 801 is provided.
In the specific implementation process of the foregoing embodiment, a first boss 401 is disposed on the outer side of the first connecting portion 4, and a second boss 501 is disposed on the outer side of the second connecting portion 5; wherein the first locking member 7 can be inserted into the first boss 401; the second locking member 8 can be inserted into the second boss 501; the positioning of the first locking piece 7 and the second locking piece 8 is facilitated through the arrangement of the boss; facilitating engagement of the two splines and engagement of the catch 802 with the groove 502.
When the second connecting part 5 and the second locking part 8 are fixed, the first locking part 7 and the first connecting part 4 are in close trend through the transmission of the bolt 10. Thus, the second tooth groove 702 is meshed with the first tooth groove 402 by the elastic force of the elastic piece 9 in the axial direction, so that the force perpendicular to the axial direction is obtained, and the two ladder sections are fixed.
When the movable ladder section is needed, the second locking member 8 is rotated through the handle 801, so that the buckle 802 rotates to the position of the groove 502, the second locking member 8 is pressed at the moment, the elastic member 9 is compressed, so that the first locking member 7 has a space for moving in the axial direction, the engaged tooth grooves are separated, the force vertical to the axial direction is eliminated, and the two ladder sections can rotate.
The side bars 101 and the cross bars 102 described in the above embodiments may be made of aluminum alloy material, glass fiber reinforced plastic material, or carbon fiber material.
The side rods 101 and the cross rods 102 may be circular tube structures, square tube structures, elliptical structures, D-shaped tube structures, etc., or may be other rod structures, etc., which may be selected by those skilled in the art as desired.
In summary, compared with the prior art, the multifunctional folding ladder provided by the embodiment of the invention has the following beneficial effects:
the embodiment of the invention provides a multifunctional folding ladder, when a ladder section needs to be fixed, only a second connecting piece needs to be simply rotated, and tooth grooves can be automatically meshed; when the movable ladder sections are needed, only the second connecting piece is needed to be simply rotated and pressed, so that the engaged tooth grooves can be separated, and the two ladder sections can be rotated. The invention has simpler change from the fixed state to the rotating state and from the rotating state to the fixed state, and solves the technical problem that the common folding ladder is complex to operate.
The embodiment of the invention provides a multifunctional folding ladder, which is composed of a plurality of rotatably connected ladder sections, can be simply folded to a small enough state when in idle, is convenient to place, saves space and is convenient to carry; and when using, owing to have abundant rotatability between the ladder festival to change between fixed state and the rotation state, required operation is simpler, can realize rotational deformation to double ladder, step on high ladder, platform ladder and stretch completely after fixed, be the level state and still can regard as the ladder that floats to use, has realized multiple functions through simple operation.
The embodiment of the invention provides a multifunctional folding ladder, which has fewer connecting pieces, converts the elasticity of a spring into force vertical to the axial direction through a specific structure, and ensures the reliability and safety of connection.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. A multi-functional folding ladder, comprising: a ladder section (1), wherein the ladder section (1) at least comprises two ladder sections;
the ladder sections (1) are rotationally connected through the connecting parts (2);
the ladder sections (1) are fixed relatively through the locking pieces (3);
wherein the connection part (2) comprises:
the first connecting part (4), the outside of the first connecting part (4) is provided with a first tooth slot (402);
the first connecting part (4) and the second connecting part (5) are arranged opposite to each other, and a groove (502) is formed in the outer side of the second connecting part (5);
a third connecting part (6), wherein the third connecting part (6) is positioned between the first connecting part (4) and the second connecting part (5) and can be rotatably connected with the first connecting part (4) and the second connecting part (5); the third connecting part (6) is provided with a square through hole (601);
the locking member (3) includes:
a first locking member (7), the first locking member (7) having a second tooth slot (702) and a square boss (703), the second tooth slot (702) being capable of engaging with the first tooth slot (402) of the first connecting portion (4), the square boss (703) being capable of mating with the square through hole (601) of the third connecting portion (6);
the second locking piece (8), the second locking piece (8) is provided with a buckle (802), the buckle (802) can be clamped with the groove (502), and the second locking piece (8) can be connected with the first locking piece (7);
an elastic member (9), wherein the elastic member (9) is positioned between the second locking member (8) and the second connecting part (5);
the locking member (3) further comprises:
the first locking piece (7) is provided with a threaded hole (705), the bolt (10) penetrates through the second locking piece (8), and the bolt (10) is connected with the threaded hole (705);
the ladder section (1) comprises:
the side rods (101) are arranged oppositely, and the two side rods (101) are arranged oppositely;
and the cross rod (102), wherein the cross rod (102) is fixed between the oppositely arranged side rods (101).
2. A multi-function folding ladder according to claim 1, characterized in that the connecting portion (2) further comprises:
a first rod-shaped structure (404), a first end of the first rod-shaped structure (404) being connected to a first end of the side rod (101), and a second end of the first rod-shaped structure (404) being connected to the first connection (4);
a second rod-shaped structure (504), wherein a first end of the second rod-shaped structure (504) is connected with a first end of the side rod (101), and a second end of the second rod-shaped structure (504) is connected with the second connecting part (5), and a gap is reserved between the first rod-shaped structure (404) and the second rod-shaped structure (504);
a third rod-shaped structure (602), a first end of the third rod-shaped structure (602) being connected to a second end of the side rod (101), and a second end of the third rod-shaped structure (602) being connected to the third connecting part (6);
the third rod-like structure (602) is capable of passing through a gap between the first rod-like structure (404) and the second rod-like structure (504).
3. A multi-functional folding ladder according to claim 1, characterized in that the first locking member (7) comprises a truncated cone (701), a square boss (703) and a cylindrical boss (704);
the square boss (703) is positioned between the round table (701) and the cylindrical boss (704);
the second tooth grooves (702) are formed in the round table (701) and are positioned on one side, connected with the square boss (703), of the round table (701); the threaded hole (705) is formed in the cylindrical boss (704) and is located at the opposite side, connected with the square boss (703), of the cylindrical boss (704).
4. A multi-functional folding ladder according to claim 1, characterized in that the second locking member (8) is provided with an annular groove (804) inside one side of the clasp (802), the elastic member (9) being arranged in the annular groove (804).
5. A multi-functional folding ladder according to claim 1, characterized in that the opposite side of the buckle (802) of the second locking member (8) is provided with a countersink (803), in which countersink (803) the nut of the bolt (10) can be sunk.
6. A multi-functional folding ladder according to claim 1, characterized in that the second locking member (8) is provided with a handle (801) at the side.
7. A multi-functional folding ladder according to claim 1, characterized in that the first connection part (4) is provided with a first boss (401) on the outside and the second connection part (5) is provided with a second boss (501) on the outside;
wherein the first locking member (7) is insertable into the first boss (401);
the second locking piece (8) can be inserted into the second boss (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910046453.0A CN109538107B (en) | 2019-01-18 | 2019-01-18 | Multifunctional folding ladder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910046453.0A CN109538107B (en) | 2019-01-18 | 2019-01-18 | Multifunctional folding ladder |
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| Publication Number | Publication Date |
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| CN109538107A CN109538107A (en) | 2019-03-29 |
| CN109538107B true CN109538107B (en) | 2023-12-29 |
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| CN201910046453.0A Active CN109538107B (en) | 2019-01-18 | 2019-01-18 | Multifunctional folding ladder |
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| CN110080674B (en) * | 2019-06-14 | 2024-05-07 | 苏州中创铝业有限公司 | Folding ladder |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0289199U (en) * | 1988-12-27 | 1990-07-16 | ||
| CN102227539A (en) * | 2008-11-28 | 2011-10-26 | 马蒂纳斯尼尔森Aps公司 | Collapsible ladder |
| CN203175378U (en) * | 2013-01-09 | 2013-09-04 | 高卫权 | Multifunctional portable foldable ladder |
| CN203925265U (en) * | 2014-05-21 | 2014-11-05 | 国家电网公司 | A kind of square bar folding ladder |
| CN207348780U (en) * | 2017-06-29 | 2018-05-11 | 上海统帅建筑装潢有限公司 | A kind of interior, which is whitewashed a wall, uses folding ladder |
| CN209990438U (en) * | 2019-01-18 | 2020-01-24 | 安徽冠廷科技有限公司 | Multifunctional folding ladder |
-
2019
- 2019-01-18 CN CN201910046453.0A patent/CN109538107B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0289199U (en) * | 1988-12-27 | 1990-07-16 | ||
| CN102227539A (en) * | 2008-11-28 | 2011-10-26 | 马蒂纳斯尼尔森Aps公司 | Collapsible ladder |
| CN203175378U (en) * | 2013-01-09 | 2013-09-04 | 高卫权 | Multifunctional portable foldable ladder |
| CN203925265U (en) * | 2014-05-21 | 2014-11-05 | 国家电网公司 | A kind of square bar folding ladder |
| CN207348780U (en) * | 2017-06-29 | 2018-05-11 | 上海统帅建筑装潢有限公司 | A kind of interior, which is whitewashed a wall, uses folding ladder |
| CN209990438U (en) * | 2019-01-18 | 2020-01-24 | 安徽冠廷科技有限公司 | Multifunctional folding ladder |
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| Publication number | Publication date |
|---|---|
| CN109538107A (en) | 2019-03-29 |
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