阅读说明：本技术 一种便携式多功能组合梯 (Portable multifunctional combined ladder ) 是由 杨栋梁 王立新 刑军 陈磊 杨震强 于波 游强 王实 王舒荷 刘占坡 张柯 张 于 2019-12-05 设计创作，主要内容包括：本发明公开了一种便携式多功能组合梯,包括第一组合梯体,所述第一组合梯体上设置有第二组合梯体,所述第二组合梯体下端两侧壁设置有凸块,所述凸块外侧转动套装有环块,所述环块与第一组合梯体固定连接,所述第二组合梯体内侧滑动连接有限位杆,所述第一组合梯体上端开设有凹槽；通过设置有踏板、耐磨镍金属板及螺栓,便于避免踏板上表面光滑后,对整个踏板拆卸更换的不便,便于快速通过对耐磨镍金属板的拆卸更换,通过设置有置物板、调节螺杆及第一伸缩管,避免置物板的高度不便于调节,导致不同身高及踩踏踏板的高度不同时,使用者不便于对置物板上的物品进行取放。(The invention discloses a portable multifunctional combined ladder, which comprises a first combined ladder body, wherein a second combined ladder body is arranged on the first combined ladder body, convex blocks are arranged on two side walls of the lower end of the second combined ladder body, a ring block is rotatably sleeved on the outer side of each convex block and fixedly connected with the first combined ladder body, a limiting rod is slidably connected inside the second combined ladder body, and a groove is formed in the upper end of the first combined ladder body; through being provided with footboard, wear-resisting nickel metal sheet and bolt, be convenient for avoid the smooth back of footboard upper surface, dismantle the inconvenience of change to whole footboard, be convenient for change through the dismantlement to wear-resisting nickel metal sheet fast, put thing board, adjusting screw and first flexible pipe through being provided with, avoid putting the highly inconvenient regulation of thing board, lead to different heights and trample the height of footboard not simultaneously, the user is not convenient for get the article of putting on the thing board and puts.)

1. A portable multi-functional combination ladder, includes first combination ladder body (8), its characterized in that: the novel combined ladder comprises a first combined ladder body (8), a second combined ladder body (1) and a limiting rod (11), wherein two side walls of the lower end of the second combined ladder body (1) are provided with convex blocks (10), the outer side of each convex block (10) is rotatably sleeved with a ring block, the ring block is fixedly connected with the first combined ladder body (8), the inner side of the second combined ladder body (1) is connected with the limiting rod (11) in a sliding manner, the upper end of the first combined ladder body (8) is provided with a groove, the telescopic limiting rod (11) is matched and connected with the first combined ladder body (8) through the groove, the inner side of the second combined ladder body (1) is fixedly provided with a pedal (5), the pedal (5) is provided with a wear-resistant nickel metal plate (12), the upper surface of the nickel wear-resistant nickel metal plate (12) is provided with friction grains, the lower surface of the wear-resistant nickel metal plate (12) is provided with a bolt (13), and the wear-resistant nickel metal plate (, the utility model discloses a two-section combined ladder, including second combined ladder body (1), backup pad (2) are installed in second combined ladder body (1) top side surface rotation, backup pad (2) inboard is fixed with spacing post (17) through adjusting spring, be fixed with on spacing post (17) and rotate adjusting knob (18), backup pad (2) carry out the block with second combined ladder body (1) through spacing post (17) and draw-in groove and are connected, backup pad (2) side surface is provided with locating part (3), second combined ladder body (1) side surface upper end is provided with places the mechanism.

2. The portable multifunctional combination ladder of claim 1, wherein: the placing mechanism comprises a first telescopic pipe (7), an adjusting screw rod (14) and a storage plate (6), the first telescopic pipe (7) is fixed on one side surface of the second combined ladder body (1) through a support, the inner side of the first telescopic pipe (7) is slidably connected with a second telescopic pipe, the upper end of the inner side of the first telescopic pipe (7) is in threaded connection with the adjusting screw rod (14), one end of the adjusting screw rod (14) is inconsistent with the second telescopic pipe, and the storage plate (6) is fixed on the second telescopic pipe.

3. A portable multi-functional combination ladder as defined in claim 2, wherein: the outer side wall of the object placing plate (6) is convenient to fix with a coaming (15), and the coaming (15) is of a frame shape.

4. A portable multi-functional combination ladder as defined in claim 2, wherein: the inner side of the object placing plate (6) is provided with a through hole (16), the through hole (16) is circular, and the inner diameter of the through hole (16) is one millimeter to ten millimeters.

5. The portable multifunctional combination ladder of claim 1, wherein: the number of the wear-resistant nickel metal plates (12) is equal to that of the pedals (5), and the thickness of each wear-resistant nickel metal plate (12) is one millimeter to five millimeters.

6. The portable multifunctional combination ladder of claim 1, wherein: the limiting piece (3) is in a semi-annular shape, and the number of the limiting pieces (3) is two.

Technical Field

The invention belongs to the technical field of combined ladders, and particularly relates to a portable multifunctional combined ladder.

Background

When maintaining the block terminal, the combination ladder is often used, and the ladder is common articles for daily use, is the essential instrument of staff's operation of ascending a height, and it can assist the staff to climb on the workplace or climb down, and the structure is comparatively simple, convenient to use.

Present ladder is in the use, the inboard footboard of ladder and ladder frame are many through the welding fixed, it decreases the mechanism to not make up to set up other abrasionproof on the footboard, the footboard uses the rear surface easily smooth for a long time, it is inconvenient to cause personnel to trample, be not convenient for roll over longer ladder simultaneously, the result of use is poor, the ladder function is comparatively single in addition, only can supply the personnel to scramble, some ladders have set up put the thing board, the personnel of being convenient for deposit the little article of hand-carrying, but put thing board height and be not convenient for adjust, lead to different heights and trample the height of footboard not simultaneously, the user is not convenient for get the article of putting on the thing board and put, we propose a portable multifunctional combined ladder for this reason.

Disclosure of Invention

The invention aims to provide a portable multifunctional combined ladder, which solves the problems that in the use process of the existing ladder, pedals on the inner side of the ladder are fixed with a ladder frame through welding, no other anti-abrasion mechanism is arranged on the pedals in a combined mode, the surfaces of the pedals are easy to be smooth after the pedals are used for a long time, the pedals are inconvenient to trample by personnel, meanwhile, the longer ladder is inconvenient to fold, the using effect is poor, in addition, the ladder has single function and only can be used for climbing by the personnel, the personnel can conveniently store small articles carried with the ladder, but the heights of the storage plates are inconvenient to adjust, so that the articles on the storage plates are inconvenient to take and place by the users when the heights of the pedals are different and the heights of the pedals are different.

In order to achieve the purpose, the invention provides the following technical scheme: a portable multifunctional combined ladder comprises a first combined ladder body, wherein a second combined ladder body is arranged on the first combined ladder body, convex blocks are arranged on two side walls of the lower end of the second combined ladder body, a ring block is rotatably sleeved on the outer side of each convex block and fixedly connected with the first combined ladder body, a limiting rod is slidably connected in the second combined ladder body, a groove is formed in the upper end of the first combined ladder body, the telescopic limiting rod is connected with the first combined ladder body in a matched mode through the groove, a pedal is fixed on the inner side of the second combined ladder body, a wear-resistant nickel metal plate is arranged on the pedal, friction grains are arranged on the upper surface of the wear-resistant nickel metal plate, bolts are arranged on the lower surface of the wear-resistant nickel metal plate, the wear-resistant nickel metal plate is connected with the pedal in a matched mode through the bolts, and a supporting plate is rotatably mounted on one side surface of the top end of the, the utility model discloses a combined ladder, including backup pad, second combination ladder, spacing post, rotation adjusting knob, backup pad and second combination ladder, the backup pad inboard is fixed with spacing post through regulating spring, be fixed with the rotation adjusting knob on the spacing post, the backup pad carries out the block with the second combination ladder through spacing post and draw-in groove and is connected, backup pad side surface is provided with the locating part, second combination ladder one side surface upper end is provided with places the mechanism.

Preferably, the placing mechanism comprises a first telescopic pipe, an adjusting screw and a storage plate, the first telescopic pipe is fixed on one side surface of the second combined ladder body through a support, the inner side of the first telescopic pipe is slidably connected with a second telescopic pipe, the upper end of the inner side of the first telescopic pipe is in threaded connection with the adjusting screw, one end of the adjusting screw is abutted against the second telescopic pipe, and the storage plate is fixed on the second telescopic pipe.

Preferably, the outer side wall of the object placing plate is convenient to fix with a coaming, and the coaming is in a frame shape.

Preferably, the inner side of the object placing plate is provided with a through hole, the through hole is circular, and the inner diameter of the through hole is one millimeter to ten millimeters.

Preferably, the number of the wear-resistant nickel metal plates is equal to that of the pedals, and the thickness of each wear-resistant nickel metal plate is one millimeter to five millimeters.

Preferably, the limiting part is a semi-ring, and two limiting parts are arranged.

Compared with the prior art, the invention has the beneficial effects that:

(1) through being provided with the footboard, wear-resisting nickel metal sheet and bolt, be convenient for avoid the smooth back of footboard upper surface, dismantle the inconvenience of changing to whole footboard, be convenient for change fast through the dismantlement to wear-resisting nickel metal sheet, frictional force on the improvement footboard, the antiskid of being convenient for, wear-resisting effectual of wear-resisting nickel metal sheet simultaneously, the life of the extension fixture of being convenient for, through being provided with first combination ladder body, second combination ladder body and gag lever post, be convenient for fold to the device and receive and release, it is longer to avoid device length, cause and receive and release inconvenience, be convenient for save space.

(2) Through being provided with and putting thing board, adjusting screw and first flexible pipe, be convenient for highly adjusting of putting the thing board, avoid putting the highly inconvenient regulation of thing board, lead to different heights and trample the footboard highly different, the user is not convenient for get the article of putting on the thing board and puts, is convenient for improve the practicality of device, increases the economic benefits of device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic cross-sectional view at B of FIG. 1 according to the present invention;

FIG. 4 is a schematic cross-sectional view at D of FIG. 1 in accordance with the present invention;

FIG. 5 is a schematic cross-sectional view at C of FIG. 1 in accordance with the present invention;

in the figure: 1. a second combined ladder body; 2. a support plate; 3. a limiting member; 5. a pedal; 6. a storage plate; 7. a first telescopic tube; 8. a first combined ladder body; 10. a bump; 11. a limiting rod; 12. a wear-resistant nickel metal plate; 13. a bolt; 14. adjusting the screw rod; 15. enclosing plates; 16. a through hole; 17. a limiting column; 18. the knob is turned.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a portable multifunctional combined ladder comprises a first combined ladder body 8, a second combined ladder body 1 is arranged on the first combined ladder body 8, bumps 10 are arranged on two side walls of the lower end of the second combined ladder body 1, a ring block is rotatably sleeved on the outer sides of the bumps 10 and fixedly connected with the first combined ladder body 8, the first combined ladder body 8 and the second combined ladder body 1 can be conveniently and rotatably folded, a limiting rod 11 is slidably connected to the inner side of the second combined ladder body 1, a groove is formed in the upper end of the first combined ladder body 8, a telescopic limiting rod 11 is connected with the first combined ladder body 8 in a matched mode through the groove, the first combined ladder body 8 and the second combined ladder body 1 can be conveniently positioned in the same straight line, a pedal 5 is fixed on the inner side of the second combined ladder body 1, a wear-resistant nickel metal plate 12 is arranged on the pedal 5, a better wear-resistant effect is facilitated, and friction grains are arranged on the upper surface of the wear-resistant nickel metal plate 12, the lower surface of the wear-resistant nickel metal plate 12 is provided with a bolt 13, the wear-resistant nickel metal plate 12 is matched and connected with the pedal 5 through the bolt 13, the wear-resistant nickel metal plate 12 is convenient to replace, a supporting plate 2 is installed on one side surface of the top end of the second combined ladder body in a rotating mode, a limiting column 17 is fixed on the inner side of the supporting plate 2 through an adjusting spring, a rotating adjusting button 18 is fixed on the limiting column 17, the supporting plate 2 and the second combined ladder body 1 are connected in a clamping mode through the limiting column 17 and a clamping groove, a limiting part 3 is arranged on one side surface of the supporting plate 2, the ladder is convenient to avoid inclining left and right and inclining and tilting, and a placing mechanism is arranged at the.

In this embodiment, preferably, the placing mechanism includes a first telescopic tube 7, an adjusting screw 14 and a storage plate 6, the first telescopic tube 7 is fixed on a side surface of the second combined ladder body 1 through a bracket, a second telescopic tube is slidably connected to an inner side of the first telescopic tube 7, the adjusting screw 14 is connected to an upper end of an inner side of the first telescopic tube 7 in a threaded manner, one end of the adjusting screw 14 abuts against the second telescopic tube, and the storage plate 6 is fixed on the second telescopic tube, so that the height of the storage plate 6 can be conveniently adjusted.

In this embodiment, it is preferable that the outer side wall of the object placing plate 6 is convenient for fixing the enclosing plate 15, and the enclosing plate 15 is in a frame shape, so that the object is convenient to be limited from rolling off from the upper surface of the object placing plate 6.

In this embodiment, preferably, the through hole 16 is opened on the inner side of the object placing plate 6, the through hole 16 is circular, and the inner diameter of the through hole 16 is one millimeter to ten millimeters, so that dust and accumulated water can be conveniently discharged from the object placing plate 6.

In this embodiment, preferably, the number of the nickel wear-resistant metal plates 12 is equal to the number of the pedals 5, and the thickness of the nickel wear-resistant metal plates 12 is one millimeter to five millimeters, so as to facilitate a better wear-resistant effect.

In this embodiment, preferably, the limiting member 3 is a half ring, and two limiting members 3 are provided, so as to facilitate a better placing effect.

The working principle and the using process of the invention are as follows: when the upper surface of the wear-resistant nickel metal plate 12 is smooth, the wear-resistant nickel metal plate 12 can be separated from the pedal 5 by unscrewing the bolt 13, so that the wear-resistant nickel metal plate 12 can be replaced and maintained conveniently, the limit rod 11 is pushed to separate from the inner side of the first combined ladder body 8 after use, the first combined ladder body 8 and the second combined ladder body 1 can be rotated and retracted conveniently, the occupied external space is saved, the ladder is easy to store and use, user's accessible unscrewing adjusting screw 14 makes the flexible pipe of second follow the inboard roll-off of first flexible pipe 7, is convenient for highly adjusting putting thing board 6, and then is convenient for place article on putting thing board 6, improves the convenience of placing article, is convenient for prevent to pile up dust and ponding on putting thing board 6 through-hole 16 simultaneously, improves the practicality of device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.