CN220748100U - Extension ladder with reinforced structure - Google Patents
Extension ladder with reinforced structure Download PDFInfo
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- CN220748100U CN220748100U CN202322352766.3U CN202322352766U CN220748100U CN 220748100 U CN220748100 U CN 220748100U CN 202322352766 U CN202322352766 U CN 202322352766U CN 220748100 U CN220748100 U CN 220748100U
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- cavity
- expansion bracket
- movable rod
- ladder
- telescopic
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- 230000008093 supporting effect Effects 0.000 claims abstract description 53
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 13
- 238000013016 damping Methods 0.000 claims description 14
- 230000009975 flexible effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000001976 improved effect Effects 0.000 description 14
- 230000002349 favourable effect Effects 0.000 description 7
- 238000010276 construction Methods 0.000 description 5
- 230000001737 promoting effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000004350 Strabismus Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Ladders (AREA)
Abstract
The utility model relates to the field of auxiliary tools, and particularly provides an extension ladder with a reinforcing structure. The utility model comprises a first expansion bracket and a second expansion bracket, wherein the supporting mechanism comprises a cavity, a movable rod is arranged in the cavity, one end of the movable rod is provided with a limit rod, the other end of the limit rod is provided with a connecting rod, the outer surface of the limit rod is provided with a plurality of limit pieces, and the inner wall of the cavity is provided with a bump.
Description
Technical Field
The utility model relates to the field of auxiliary tools, in particular to an extension ladder with a reinforcing structure.
Background
Along with the continuous change of the current social market and the continuous development of human science, the requirements of human on the quality, the function and the appearance of various products are continuously improved, the ladders sold in the current domestic market mainly comprise bamboo ladders, wood ladders, steel ladders, aluminum ladders, glass fiber reinforced plastic ladders and the like, and the ladders have the problems of large volume, inconvenient carrying and heaviness when in use.
The applicant found that the following problems exist in practical use:
the current telescopic ladder reduces the occupation space of telescopic ladder in order to realize better flexible effect, and its inside adopts hollow structure setting mostly, when expanding the telescopic ladder and using, focus position upwards squints gradually, and current telescopic ladder structure can not be better supports ground, exists the condition that the ladder rocked, influences the security of construction.
Accordingly, there is a need to provide an extension ladder with a reinforced structure that solves the above-mentioned problems.
Disclosure of Invention
The utility model aims to solve the technical problem that the existing telescopic ladder structure cannot support the ground well, the shaking condition of a ladder exists, and the telescopic ladder with the reinforcing structure is provided for overcoming the defects in the prior art.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: the utility model provides a telescopic ladder with reinforced structure, includes first expansion bracket and second expansion bracket, the mounting groove has all been seted up to the bottom of first expansion bracket and second expansion bracket, the inside of mounting groove is provided with the bracing piece, the inside of bracing piece is provided with supporting mechanism, supporting mechanism is including the cavity, the inside of cavity is provided with the movable rod, the one end of movable rod is provided with the gag lever post, the other end of gag lever post is provided with the connecting rod, the surface of gag lever post is provided with a plurality of spacing pieces, and is adjacent be formed with the spacing groove between the spacing piece, the inner wall of cavity is provided with the lug, the other end of movable rod is provided with the supporting seat, one side top of supporting seat is provided with the universal wheel.
Through adopting above-mentioned technical scheme, utilize the supporting seat to the support on ground, be favorable to promoting the area of contact of first expansion bracket and second expansion bracket and ground, strengthen the frictional force with ground, prevent that the workman from going on the during operation on the telescopic ladder, the condition that the ladder appears rocking.
The cavity is further arranged to be two sections and is arranged in a stepped structure, the cross section of the cavity is arranged in a circular structure, and the movable rod is matched with the cavity.
Through adopting above-mentioned technical scheme, set up the movable rod into cylindrical structure, be favorable to making the movable rod rotate in the inside of cavity to rotate the regulation to the position of supporting seat, until making supporting seat and ground contact.
The support mechanism is further provided with two groups, the two groups of support mechanisms are arranged in a mirror image mode along the length center line of the support rod, and the two support rods are fixedly connected with the first telescopic frame and the second telescopic frame through bolts respectively.
Through adopting above-mentioned technical scheme, set up supporting mechanism into two sets of, be favorable to promoting the effect to the extension ladder to utilize two universal wheels, promote or stimulate the extension ladder, make universal wheel and ground roll.
Further set up, be connected with damping spring through the thrust pivot rotation between the inner wall of connecting rod other end and cavity, movable rod, gag lever post, connecting rod and damping spring are the coaxial line setting, and cross section diameter reduces gradually.
Through adopting above-mentioned technical scheme, utilize damping spring's setting, when lug and spacing groove carry out the card when needs, loosen the supporting seat, utilize damping spring stretchability, make movable rod and gag lever post remove in the inside of cavity to with lug and spacing groove re-block.
The bump is further provided with a plurality of bumps, the bumps are distributed in an equidistant annular mode along the central axis of the cavity, and the bumps are clamped with the limiting grooves.
Through adopting above-mentioned technical scheme, set up the lug into a plurality ofly, when block lug and spacing groove looks card, be favorable to promoting the block fastness of lug and spacing groove, further prevent movable rod and supporting seat and carry out the position rotation.
The support seat is characterized in that a gasket is fixed on the bottom surface of the support seat in an adhering mode, and the gasket is made of rubber materials.
Through adopting above-mentioned technical scheme, utilize the rubber gasket to have extremely strong frictional characteristic, be favorable to promoting the contact friction of telescopic ladder to ground, further promote the supporting stability of telescopic ladder, prevent the condition that rocks appears at the in-process telescopic ladder of construction.
The telescopic device is characterized in that the top of the first telescopic frame is rotatably connected with the top of the second telescopic frame through a bearing, and the height of the first telescopic frame is larger than that of the second telescopic frame.
Through adopting above-mentioned technical scheme, when utilizing the telescopic ladder to climb high, be favorable to utilizing the part that first telescopic frame exceeds the second telescopic frame as the support frame of human body to make the central point of telescopic ladder of human weight deflection, promote the supporting stability of telescopic ladder.
Compared with the related art, the telescopic ladder with the reinforcing structure has the following beneficial effects:
the utility model provides an extension ladder with a reinforcing structure, which comprises a cavity, a movable rod, a limiting piece, a limiting groove and a protruding block, wherein when the ladder is required to be used, the first extension bracket and the second extension bracket are extended through rotating shafts, then, a supporting seat is pulled, the movable rod and the limiting rod move in the cavity against the stretching force of a damping spring, meanwhile, the protruding block moves in the limiting groove until the protruding block is separated from the limiting groove, the movable rod can rotate in the cavity, meanwhile, the position angle of the supporting seat is adjusted until the supporting seat is adjusted to be attached to the ground, then, the supporting seat is released, the movable rod and the limiting rod are moved by utilizing the stretching property of the damping spring, the protruding block is clamped with the limiting groove again, the rotating position of the movable rod and the supporting seat is limited, the supporting of the supporting seat on the ground is beneficial to improving the contact area of the first extension bracket and the second extension bracket and the ground, enhancing the friction force with the ground, and preventing the shaking condition of workers during working on the extension ladder, and improving the safety protection performance of the ladder in the construction process.
The utility model provides an extension ladder with a reinforcing structure, which reduces the occupied space of the extension ladder after a first extension rack and a second extension rack are contracted by arranging universal wheels, but when the extension ladder is lifted and carried, the extension ladder is not easy to carry due to the fact that the extension ladder has better supporting force points, the extension ladder is not easy to carry, the support seat can be rotated to a proper position by using the arrangement of the universal wheels, the extension ladder is pushed or pulled, the universal wheels roll with the ground, and the convenience of moving the extension ladder is improved.
Drawings
FIG. 1 is a schematic view of a ladder with reinforcement structure according to a preferred embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional perspective view of the support bar of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
fig. 4 is an enlarged schematic view of the structure of fig. 2B according to the present utility model.
In the figure: 1. a first expansion bracket; 2. the second expansion bracket; 3. a mounting groove; 4. a support rod; 5. a support mechanism; 501. a cavity; 502. a movable rod; 503. a limit rod; 504. a connecting rod; 505. a limiting piece; 506. a bump; 507. a limit groove; 508. a damping spring; 509. a support base; 510. a gasket; 6. a universal wheel; 7. and (5) a bolt.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Exemplary embodiments of the present utility model are illustrated in the accompanying drawings.
Embodiment one:
as shown in fig. 1, the telescopic ladder with the reinforcing structure comprises a first telescopic frame 1 and a second telescopic frame 2, wherein the bottoms of the first telescopic frame 1 and the second telescopic frame 2 are respectively provided with a mounting groove 3, the inside of each mounting groove 3 is provided with a supporting rod 4, the inside of each supporting rod 4 is provided with a supporting mechanism 5, each supporting mechanism 5 comprises a cavity 501, the inside of each cavity 501 is provided with a movable rod 502, one end of each movable rod 502 is provided with a limiting rod 503, the other end of each limiting rod 503 is provided with a connecting rod 504, the outer surface of each limiting rod 503 is provided with a plurality of limiting sheets 505, limiting grooves 507 are formed between every two adjacent limiting sheets 505, the inner wall of each cavity 501 is provided with a lug 506, the other end of each movable rod 502 is provided with a supporting seat 509, and a universal wheel 6 is arranged above one side of each supporting seat 509, so that the contact area between the first telescopic frame 1 and the second telescopic frame 2 and the ground is favorably improved, the friction force with the ground is enhanced, the shaking condition of a ladder is prevented when workers work on the telescopic ladder, and the safety protection of a construction process is improved.
Referring to fig. 2, 3 and 4, the cavity 501 is provided as two sections and is provided in a stepped structure, the cross section of the cavity 501 is provided in a circular structure, and the movable rod 502 is adapted to the cavity 501, so that the movable rod 502 can rotate in the cavity 501 and can rotate and adjust the position of the support 509 until the support 509 contacts the ground, and the position adjustment convenience of the support 509 is improved.
Referring to fig. 1, 2 and 3, the supporting mechanisms 5 are provided with two groups, the two groups of supporting mechanisms 5 are arranged in a mirror image manner along the length center line of the supporting rod 4, the two supporting rods 4 are respectively fixedly connected with the first telescopic frame 1 and the second telescopic frame 2 through bolts 7, the function of lifting the telescopic ladder is facilitated, and the telescopic ladder is pushed or pulled by utilizing the two universal wheels 6, so that the universal wheels 6 roll with the ground, and the convenience of moving the telescopic ladder is improved.
Embodiment two:
referring to fig. 2, 3 and 4, on the basis of the first embodiment, the present utility model provides a technical solution: the damping spring 508 is rotatably connected between the other end of the connecting rod 504 and the inner wall of the cavity 501 through the thrust rotating shaft, the movable rod 502, the limiting rod 503, the connecting rod 504 and the damping spring 508 are coaxially arranged, the diameter of the cross section is gradually reduced, when the lug 506 is clamped with the limiting groove 507 when needed, the supporting seat 509 is loosened, the movable rod 502 and the limiting rod 503 are driven to move in the cavity 501 by means of the stretchability of the damping spring 508, the lug 506 is clamped with the limiting groove 507 again, and the clamping convenience of the lug 506 and the limiting groove 507 is improved.
Referring to fig. 2, 3 and 4, the plurality of protruding blocks 506 are provided, the plurality of protruding blocks 506 are annularly arranged at equal intervals along the central axis of the cavity 501, the protruding blocks 506 are clamped with the limiting grooves 507, when the protruding blocks 506 are clamped with the limiting grooves 507, the clamping fastness of the protruding blocks 506 and the limiting grooves 507 is improved, the movable rod 502 and the supporting seat 509 are further prevented from rotating in position, and the supporting strength of the supporting seat 509 to the external ground is improved.
Referring to fig. 2 and 3, the bottom surface of the supporting seat 509 is fixed with a gasket 510, and the gasket 510 is made of rubber, so that contact friction of the telescopic ladder to the ground is facilitated, supporting stability of the telescopic ladder is further improved, shaking of the telescopic ladder in the construction process is prevented, and safety protection of the telescopic ladder is improved.
Referring to fig. 1, the top of the first expansion bracket 1 and the second expansion bracket 2 are rotatably connected through bearings, and the height dimension of the first expansion bracket 1 is larger than that of the second expansion bracket 2, so that the part of the first expansion bracket 1 higher than the second expansion bracket 2 is used as a supporting frame of a human body, the weight of the human body is deflected to the central position of the telescopic ladder, the supporting stability of the telescopic ladder is improved, and the safety protection of the telescopic ladder is further improved.
In practice, when the ladder is needed to be used, the first telescopic frame 1 and the second telescopic frame 2 are firstly extended through the rotating shafts, then the supporting seat 509 is pulled, the movable rod 502 and the limiting rod 503 are moved in the cavity 501 against the stretching force of the damping spring 508, meanwhile, the protruding block 506 is moved in the limiting groove 507 until the protruding block 506 is separated from the limiting groove 507, the movable rod 502 can rotate in the cavity 501, meanwhile, the position angle of the supporting seat 509 is adjusted until the supporting seat 509 is adjusted to be attached to the ground, then the supporting seat 509 is loosened, the movable rod 502 and the limiting rod 503 are moved by the stretching property of the damping spring 508, the protruding block 506 and the limiting groove 507 are engaged again, the rotating position of the movable rod 502 and the supporting seat 509 is limited, the supporting of the supporting seat 509 on the ground is utilized, the contact area of the first telescopic frame 1 and the second telescopic frame 2 and the ground are facilitated to be lifted, and the friction force with the ground is enhanced.
The technical scheme has the advantages in practical application including but not limited to the following points:
1. through cavity, movable rod, gag lever post, spacing piece, spacing groove and lug, utilize the support of supporting seat to ground, be favorable to promoting the area of contact of first expansion bracket and second expansion bracket and ground, strengthen the frictional force with ground, prevent that the workman from appearing rocking the condition when working on the telescopic ladder, promote the safety protection nature of work progress;
2. by means of the arrangement of the universal wheels, the supporting seat can be rotated to a proper position, the telescopic ladder is pushed or pulled, the universal wheels roll with the ground, and convenience in moving the telescopic ladder is improved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an extension ladder with reinforced structure, includes first expansion bracket (1) and second expansion bracket (2), its characterized in that: the utility model discloses a flexible electric motor car, including flexible frame, first expansion bracket, second expansion bracket, mounting groove (3) have all been seted up to the bottom of first expansion bracket (1) and second expansion bracket (2), the inside of mounting groove (3) is provided with bracing piece (4), the inside of bracing piece (4) is provided with supporting mechanism (5), supporting mechanism (5) are including cavity (501), the inside of cavity (501) is provided with movable rod (502), the one end of movable rod (502) is provided with gag lever post (503), the other end of gag lever post (503) is provided with connecting rod (504), the surface of gag lever post (503) is provided with a plurality of spacing piece (505), and is adjacent be formed with spacing groove (507) between spacing piece (505), the inner wall of cavity (501) is provided with lug (506), the other end of movable rod (502) is provided with supporting seat (509), one side top of supporting seat (509) is provided with universal wheel (6).
2. The telescopic ladder with a reinforcing structure according to claim 1, wherein: the cavity (501) is arranged in two sections and is arranged in a stepped structure, the cross section of the cavity (501) is arranged in a circular structure, and the movable rod (502) is matched with the cavity (501).
3. The telescopic ladder with a reinforcing structure according to claim 1, wherein: the support mechanism (5) is provided with two groups, the two groups of support mechanisms (5) are arranged in a mirror image mode along the length center line of the support rod (4), and the two support rods (4) are fixedly connected with the first telescopic frame (1) and the second telescopic frame (2) through bolts (7) respectively.
4. The telescopic ladder with a reinforcing structure according to claim 1, wherein: damping springs (508) are rotatably connected between the other end of the connecting rod (504) and the inner wall of the cavity (501) through a thrust rotating shaft, the movable rod (502), the limiting rod (503), the connecting rod (504) and the damping springs (508) are coaxially arranged, and the diameter of the cross section of the movable rod is gradually reduced.
5. The telescopic ladder with a reinforcing structure according to claim 1, wherein: the lug (506) is provided with a plurality of lugs (506), the lugs (506) are distributed in an equidistant annular mode along the central axis of the cavity (501), and the lugs (506) are clamped with the limiting grooves (507).
6. The telescopic ladder with a reinforcing structure according to claim 1, wherein: a gasket (510) is adhered and fixed on the bottom surface of the supporting seat (509), and the gasket (510) is made of rubber materials.
7. The telescopic ladder with a reinforcing structure according to claim 1, wherein: the top of first expansion bracket (1) and second expansion bracket (2) are connected through the bearing rotation, the height size of first expansion bracket (1) is greater than second expansion bracket (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322352766.3U CN220748100U (en) | 2023-08-31 | 2023-08-31 | Extension ladder with reinforced structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322352766.3U CN220748100U (en) | 2023-08-31 | 2023-08-31 | Extension ladder with reinforced structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220748100U true CN220748100U (en) | 2024-04-09 |
Family
ID=90551387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322352766.3U Active CN220748100U (en) | 2023-08-31 | 2023-08-31 | Extension ladder with reinforced structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220748100U (en) |
-
2023
- 2023-08-31 CN CN202322352766.3U patent/CN220748100U/en active Active
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