CN218324701U

CN218324701U - Multifunctional ladder

Info

Publication number: CN218324701U
Application number: CN202222455138.3U
Authority: CN
Inventors: 陈以梅
Original assignee: Shandong Yanzhou Construction Corp
Current assignee: Shandong Yanzhou Construction Corp
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-01-17
Anticipated expiration: 2032-09-16

Abstract

The utility model relates to a multi-functional ladder technical field specifically is a multi-functional ladder, include: the ladder comprises a first ladder leg and a second ladder leg hinged with the first ladder leg; the first ladder leg comprises a first upper supporting rod and a first lower supporting rod, and a universal wheel is arranged on one side of the first upper supporting rod; the second ladder leg includes bracing piece and second lower support bar on the second, the utility model discloses can be through setting up the first ladder leg of telescopic and second ladder leg, set up the liftable in first ladder leg and second ladder leg inboard simultaneously, thereby can transversely shrink first trample and second trample can make this device when using as the transportation shallow, shorten the length of this device earlier and be convenient for remove, can remove first trample and second trample on first ladder leg and the second ladder leg simultaneously and gather together, the concatenation forms the platform, conveniently carry the thing from this, avoid appearing the less article of volume and can't bear or bear unstable phenomenon and take place.

Description

Multifunctional ladder

Technical Field

The utility model relates to a construction technical field specifically is a multifunctional ladder.

Background

The building construction refers to production activities in the engineering construction implementation stage, is the construction process of various buildings, and also can be a process of changing various lines on a design drawing into a real object at a specified place. A herringbone ladder: a climbing tool for finishing work and the like in a space above a plane, such as a roof.

Chinese patent (CN 213297795U) discloses a multifunctional herringbone ladder, wherein one side of a supporting rod is provided with a universal wheel, and the other side of the supporting rod is provided with a handle, so that the supporting rod can be used as a trolley when being laid flat, and the other function of the herringbone ladder is realized.

The prior patent technology has the following problems:

the double ladder is as the loading end at the in-process bracing piece that uses as the shallow, and pedal beam position can not adjust on the bracing piece, leads to transporting the great article of volume on the bracing piece, like sand bag etc. then has can't put, puts unstable phenomenon to the article of small volume such as paint can, consequently needs to improve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multifunctional ladder to solve the problem that proposes among the above-mentioned background art.

The technical scheme of the utility model is that: a multi-function ladder, comprising: the ladder comprises a first ladder leg and a second ladder leg hinged with the first ladder leg;

the first ladder leg comprises a first upper supporting rod and a first lower supporting rod, and a universal wheel is arranged on one side of the first upper supporting rod;

the second ladder leg comprises a second upper supporting rod and a second lower supporting rod, a second pedal is arranged on the inner side of each of the second upper supporting rod and the second lower supporting rod, sleeves are movably connected to two sides of the second pedal, the second pedal is connected with the second ladder leg in a sliding mode, and a traction device is arranged on one side of the second upper supporting rod;

the traction device comprises a traction rope and a furling box.

Furthermore, a containing box is arranged on one side of the first ladder leg and used for containing the universal wheels.

Furthermore, the first ladder leg further comprises a first pedal movably connected with the inner sides of the first upper support rod and the first lower support rod, grooves are formed in the two sides of the first lower support rod, springs are arranged in the grooves, a clamping rod connected to the other side of the springs penetrates through the first upper support rod and is located on the outer side of the first upper support rod, and a limiting rod connected to the clamping rod penetrates through the springs and is inserted into the grooves in the outer side of the first lower support rod.

Furthermore, the second ladder leg further comprises a sliding groove formed in the inner side of the second upper supporting rod, a blind hole is formed in the sliding groove, and the position of the blind hole corresponds to the position of the sleeve.

Furthermore, a clamping rod, a first lower supporting rod, a spring and a limiting rod are also arranged on the second upper supporting rod and the second lower supporting rod.

Further, draw gear still includes the pivot of the inside rotation connection of roll-up box, is connected with the fixed block on the winding haulage rope of pivot outer wall, and fixed block one side is connected with the connecting rod, and pivot one side fixed connection's handle runs through the roll-up box and is located the roll-up box outside.

The utility model discloses an improve and provide a multi-functional ladder here, compare with prior art, have following improvement and advantage:

one is as follows: in the utility model, by arranging the first ladder leg and the second ladder leg which are telescopic, the lifting is arranged at the inner sides of the first ladder leg and the second ladder leg, and the first pedal and the second pedal which can transversely contract can be used as a transport cart, so that the length of the device is firstly shortened to facilitate movement, and the first pedal and the second pedal on the first ladder leg and the second ladder leg can be moved together to form a platform by splicing, thereby facilitating carrying, and avoiding the phenomenon that articles with smaller volume cannot bear or bear instability;

the second step is as follows: the utility model discloses in, through setting up the haulage rope that can contract, not only can satisfy the tractive work of this device and can also reduce the setting and push away the required space that occupies, it is more convenient to use.

Drawings

The invention is further explained below with reference to the figures and examples:

fig. 1 is a front view of a first ladder leg of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a right side view of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 3 according to the present invention;

FIG. 5 is a schematic view of the connection structure of the fixing block and the connecting rod of the present invention;

fig. 6 is a left side view of the present invention;

fig. 7 is an enlarged view of the utility model at B in fig. 6;

figure 8 is a side view of a second upper support strut of the present invention.

Description of reference numerals: 1. a first ladder leg; 11. a first upper support strut; 12. a clamping rod; 13. a first lower support bar; 14. a first pedal; 15. a spring; 16. a limiting rod; 2. a universal wheel; 3. a traction device; 31. a handle; 32. a coiling box; 33. a hauling rope; 34. a fixed block; 35. a connecting rod; 36. a rotating shaft; 4. a storage box; 5. a second ladder leg; 51. a sleeve; 52. a second pedal; 53. a second upper support strut; 54. a second lower support bar.

Detailed Description

The present invention will be described in detail below, and it is apparent that the technical solutions in the embodiments of the present invention are described clearly and completely. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

The utility model discloses an improve and provide a multi-functional ladder here, as shown in fig. 1-8, a multi-functional ladder includes: a first ladder leg 1 and a second ladder leg 5 hinged with the first ladder leg 1;

the first ladder leg 1 comprises a first upper supporting rod 11 and a first lower supporting rod 13, the first upper supporting rod 11 and the first lower supporting rod 13 form a telescopic structure, a universal wheel 2 is arranged on one side of the first upper supporting rod 11, the universal wheel 2 is fixed on the left side of the first upper supporting rod 11 through screws, and the universal wheel 2 can be detached, so that a constructor is prevented from being injured due to the fact that a body of the constructor touches the universal wheel 2 when using the device;

the second ladder leg 5 comprises a second upper supporting rod 53 and a second lower supporting rod 54, the second upper supporting rod 53 and the second lower supporting rod 54 are of a telescopic structure, the inner sides of the second upper supporting rod 53 and the second lower supporting rod 54 are respectively provided with a second pedal 52, the second upper supporting rod 53 and the second lower supporting rod 54 are not in contact with the second pedal 52, two sides of the second pedal 52 are movably connected with sleeves 51, the left side and the right side of the second pedal 52 are sleeved with the sleeves 51, the sleeves 51 can move linearly, the second pedal 52 is in sliding connection with the second ladder leg 5, the second pedal 52 can move longitudinally inside the second upper supporting rod 53, one side of the second upper supporting rod 53 is provided with a traction device 3, and the front end and the rear end of the second upper supporting rod 53 are provided with traction devices 3;

the traction device 3 comprises a traction rope 33 and a furling box 32; this device sets up the first ladder leg 1 of telescopic and second ladder leg 5, set up the liftable simultaneously in first ladder leg 1 and 5 inboards of second ladder leg, thereby can make this device when using as the transportation shallow of transversely contracting's first step board 14 and second step board 52, shorten the length of this device earlier and be convenient for remove, can remove first step board 14 and second step board 52 on first ladder leg 1 and the second ladder leg 5 simultaneously and gather together, the concatenation forms the platform, conveniently carry the thing from this, avoid appearing the less article of volume and can't bear or bear the unstable phenomenon and take place.

One side of the first ladder leg 1 is provided with a storage box 4, the rear end of the first ladder leg 1 is fixedly connected with the storage box 4, and the storage box 4 is used for storing the universal wheel 2.

The first ladder leg 1 further comprises a first pedal 14 movably connected with the inner sides of the first upper support rod 11 and the first lower support rod 13, the first pedal 14 and the second pedal 52 are consistent in structural arrangement, the first pedal 14 can lift up and down similarly, two sides of the first lower support rod 13 are provided with grooves, the outer side of the first lower support rod 13 is provided with a groove, the groove is of a T-shaped structure, a spring 15 is arranged in the groove, the first lower support rod 13 is fixedly welded with the spring 15, a clamping rod 12 connected with the other side of the spring 15 penetrates through the first upper support rod 11 and is positioned on the outer side of the first upper support rod 11, the right side of the spring 15 is fixedly welded with a clamping rod 12, the left side of the clamping rod 12 is fixedly welded with the first upper support rod 11, the left side of the first upper support rod 11 is inserted into the T-shaped groove, and a limiting rod 16 connected with the clamping rod 12 penetrates through the spring 15 and is inserted into the groove on the outer side of the first lower support rod 13; this device can make in the kelly 12 contracts first lower support bar 13 under spring 15's effect through pressing kelly 12 through setting up kelly 12, and at this moment first lower support bar 13 can stretch out and draw back, and first lower support bar 13 is then fixed otherwise, and sets up first upper support bar 11 and then is the fastness that improves spring 15 and kelly 12, avoids first lower support bar 13 inside the first upper support bar 11 of income after receiving pressure.

The second ladder leg 5 further comprises a sliding groove formed in the inner side of the second upper supporting rod 53, a blind hole is formed in the sliding groove, the position of the blind hole corresponds to that of the sleeve 51, and the sleeve 51 is in sliding connection with the second upper supporting rod 53; this device is through setting up spout and blind hole, and the blind hole is used for fixed sleeve 51, and the spout is used for the sleeve 51 shrink back can drive second pedal 52 lift and move together on the second 53 inboard.

The second upper supporting rod 53 and the second lower supporting rod 54 are also provided with a clamping rod 12, a first lower supporting rod 13, a spring 15 and a limiting rod 16; the second upper support bar 53 and the second lower support bar 54 of the present device can also perform the same function of extension and contraction as the first upper support bar 11 and the first lower support bar 13.

The traction device 3 further comprises a rotating shaft 36 rotatably connected with the interior of the furling box 32, a fixed block 34 is connected onto a traction rope 33 wound on the outer wall of the rotating shaft 36, the rotating shaft 36 is fixed with the lower end of the traction rope 33 through a screw, the traction rope 33 is a steel wire rope, the upper end of the traction rope 33 is fixed with the fixed block 34 through a screw, a threaded blind hole is formed in the right side of the fixed block 34, one side of the fixed block 34 is connected with a connecting rod 35, the right side of the fixed block 34 is in threaded connection with the connecting rod 35, the traction device 3 is provided with a group of the front end and the rear end of the second ladder leg 5 respectively, the connecting rod 35 is arranged on the traction rope 33 arranged on the traction device 3 at the front end of the second ladder leg 5, when the fixed block 34 is connected with the connecting rod 35, a closed traction rope 33 is formed, the traction work is facilitated, the handle 31 fixedly connected with one side of the rotating shaft 36 penetrates through the furling box 32 and is positioned on the outer side of the furling box 32, the left side of the rotating shaft 36 is connected with the handle 31, and the rotating shaft 36 can drive the rotating shaft 36 to rotate, so that the traction rope 33 winds the rotating shaft 36; the retractable traction rope 33 is arranged, so that the device not only can meet the traction work of the device, but also can reduce the space occupied by the push handle, and is more convenient to use.

The working principle is as follows:

firstly, mounting and fixing a universal wheel 2 in a storage box 4 and a first upper supporting rod 11, and then horizontally placing the device to enable the universal wheel 2 to be in contact with the ground, wherein a first ladder leg 1 is positioned at the bottom of a second ladder leg 5;

then, the first pedal plate 14 and the second pedal plate 52 on the first ladder leg 1 and the second ladder leg 5 are gathered together, when the first pedal plate is gathered together, the sleeves 51 on two sides of the second pedal plate 52 are pushed inwards, the sleeves 51 are separated from the blind holes of the second upper supporting rod 53 and enter the chute part of the second upper supporting rod 53, and then the first pedal plate can move longitudinally to gather the second pedal plates 52 together to form a plate surface;

then, the first ladder leg 1 and the second ladder leg 5 are contracted, and the clamping rod 12 is pressed during the contraction, so that the clamping rod 12 is contracted into the first lower supporting rod 13 under the action of the spring 15, and the first lower supporting rod 13 can be retracted into the first upper supporting rod 11;

after the first ladder leg 1 and the second ladder leg 5 are both contracted, the traction rope 33 on the second ladder leg 5 is completely pulled out, the fixing block 34 on the traction rope 33 is fixedly connected with the connecting rod 35 through screw threads, then an object is placed on the second pedal 52, and the device can be moved by pulling the traction rope 33.

Claims

1. A multi-function ladder, comprising: the ladder comprises a first ladder leg (1) and a second ladder leg (5) hinged with the first ladder leg (1);

the first ladder leg (1) comprises a first upper supporting rod (11) and a first lower supporting rod (13), and a universal wheel (2) is arranged on one side of the first upper supporting rod (11);

the second ladder leg (5) comprises a second upper supporting rod (53) and a second lower supporting rod (54), a second pedal (52) is arranged on the inner sides of the second upper supporting rod (53) and the second lower supporting rod (54), sleeves (51) are movably connected to two sides of the second pedal (52), the second pedal (52) is in sliding connection with the second ladder leg (5), and a traction device (3) is arranged on one side of the second upper supporting rod (53);

the traction device (3) comprises a traction rope (33) and a furling box (32).

2. The multi-functional ladder of claim 1, characterized in that: one side of the first ladder leg (1) is provided with a containing box (4), and the containing box (4) is used for containing the universal wheels (2).

3. The multi-functional ladder of claim 1, characterized in that: the first ladder leg (1) further comprises a first pedal (14) movably connected with the inner sides of the first upper supporting rod (11) and the first lower supporting rod (13), grooves are formed in two sides of the first lower supporting rod (13), springs (15) are arranged in the grooves, a clamping rod (12) connected to the other side of each spring (15) penetrates through the first upper supporting rod (11) and is located on the outer side of the first upper supporting rod (11), and a limiting rod (16) connected to the clamping rod (12) penetrates through the springs (15) and is inserted into the grooves in the outer side of the first lower supporting rod (13).

4. The multi-functional ladder of claim 1, characterized in that: the second ladder leg (5) further comprises a sliding groove formed in the inner side of the second upper supporting rod (53), a blind hole is formed in the sliding groove, and the position of the blind hole corresponds to that of the sleeve (51).

5. The multi-functional ladder of claim 1, characterized in that: the second upper supporting rod (53) and the second lower supporting rod (54) are also provided with a clamping rod (12), a first lower supporting rod (13), a spring (15) and a limiting rod (16).

6. The multi-functional ladder of claim 1, characterized in that: draw gear (3) still include pivot (36) that roll-up box (32) inside rotation is connected, are connected with fixed block (34) on pivot (36) outer wall winding haulage rope (33), and fixed block (34) one side is connected with connecting rod (35), and roll-up box (32) outside is located in roll-up box (32) is run through to handle (31) of pivot (36) one side fixed connection.