CN214220331U

CN214220331U - Stretchable building type plate ladder

Info

Publication number: CN214220331U
Application number: CN202022784059.8U
Authority: CN
Inventors: 赵浩源
Original assignee: China Construction Second Engineering Bureau Co Ltd
Current assignee: China Construction Second Engineering Bureau Co Ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-09-17
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses a stretchable building type plate ladder, which comprises a first bottom plate, a second bottom plate, a hinged seat, a sliding part and a buckling part, wherein the upper end surfaces of the first bottom plate and the second bottom plate are respectively connected with a first side plate and a second side plate, a plurality of groups of pedal stretching parts are arranged between the first side plate and the second side plate, one side of the first bottom plate close to the second bottom plate is provided with a fixed sleeve, one side of the second bottom plate close to the first bottom plate is provided with a screw rod piece, one end of the first bottom plate where the screw rod piece is located is rotatably connected with the inner wall of the second bottom plate through a mounting ring, the two outer ends of the bottom plate where the screw rod piece is located are arranged in the fixed sleeve and are in threaded fit with the fixed sleeve, and the two outer ends of the bottom plate are also provided with a screwing piece; the board ladder comprises support body, bottom plate and footboard support position, and the bottom plate is the extensible member with footboard support position, and the bottom plate passes through screw mechanism control support position and expandes, and footboard support position forms the second holding surface in expandeing to enlarge the work area of board ladder, improve the suitability of board ladder work, convenient and fast.

Description

Stretchable building type plate ladder

Technical Field

The utility model relates to a construction technical field specifically is a stretchable building class board ladder.

Background

The front stair is one of very important structural members in a residential building structure and mainly comprises stair boards and stair platforms, wherein the stair boards are divided into a cast-in-place type stair board and a prefabricated stair board, the cast-in-place stair boards can fully exert the plasticity of reinforced concrete, the structural integrity is good, the application is wide, but the prefabricated stair boards have the defects of difficult formwork support, high consumption, great self weight, long construction period and the like, and the prefabricated stair boards adopt a manufacturing mode of firstly manufacturing and then transporting to a construction site for installation, have the advantages of simple construction, low cost, short construction period and the like, and are widely applied to building construction.

Traditional building class board ladder is mostly fixed structure when putting up, is in the same place through the articulated elements is fixed between each support body, is difficult to adjust, when constructor carries the ladder of big article, the condition that blocks appears very easily, and the suitability is not good, is difficult to satisfy the actual work demand.

SUMMERY OF THE UTILITY MODEL

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

In order to achieve the above object, the utility model provides a following technical scheme:

a stretchable building type slab ladder comprises a first bottom plate, a second bottom plate, a hinging seat, a sliding part and a buckling part, wherein the upper end surfaces of the first bottom plate and the second bottom plate are respectively connected with a first side plate and a second side plate, the bottom ends of the first side plate and the second side plate are respectively hinged with the first bottom plate and the second bottom plate through the hinging seat, a plurality of groups of pedal stretching parts are arranged between the first side plate and the second side plate, a fixing sleeve is arranged on one side, close to the second bottom plate, in the first bottom plate, and fixedly connected with the first bottom plate, a screw rod part is arranged on one side, close to the first bottom plate, in the second bottom plate, one end, in the first bottom plate, of the screw rod part is rotatably connected with the inner wall of the second bottom plate through a mounting ring, two outer ends, in which the screw rod part is arranged, of the second bottom plate, penetrate through the fixing sleeve and are in threaded fit with the fixing sleeve, and two outer ends of the bottom plate are also provided with a screwing part for controlling the rotation of the screw rod part;

the pedal stretching part comprises a first pedal and a second pedal, a first accommodating cavity and a second accommodating cavity are respectively formed in one side, close to the first pedal, of the first pedal and the second pedal, a third pedal is installed in the first accommodating cavity and the second accommodating cavity, one end, located at the first pedal, of the third pedal is in sliding connection with one side wall of the first accommodating cavity, one end, located at the second pedal, of the third pedal is fixedly connected with two side walls of the second accommodating cavity, a limiting groove is formed in the upper end face of the third pedal, and the limiting groove is matched with a limiting sliding block arranged in the first accommodating cavity;

the sliding part is arranged between the first side plate and the second side plate and used for improving the stability of the first side plate and the second side plate during stretching;

and the buckling part is arranged between the first pedal and the second pedal and is used for connecting the first pedal and the second pedal when the first pedal and the second pedal are folded.

Preferably, the screwing piece is a driving plate, a marker post is connected to the driving plate, and the driving plate is fixedly connected with the mounting ring through a connecting piece on one side close to the bottom plate.

Preferably, the buckling part comprises a connecting clamping seat and an elastic top column, the connecting clamping seat is arranged on two sides of the accommodating cavity and fixedly connected with one side wall of the pedal, the elastic top column is arranged on two sides of the accommodating cavity and fixedly connected with two side walls of the pedal, and the elastic top column is matched with a slotted hole formed in the connecting clamping seat.

Preferably, the sliding part comprises a connecting sleeve and a sliding column, one end of the movable column penetrates through the connecting sleeve and is in sliding fit with the connecting sleeve, the other end of the movable column is fixedly connected with the side wall of the upper end part of the side plate, and one end, far away from the movable column, of the connecting sleeve is fixedly connected with the side wall of the upper end part of the side plate.

Preferably, the first side plate and the second side plate are provided with hooks, and the hooks are arranged at the top ends of the first side plate and the second side plate and are welded and fixed with the first side plate and the second side plate.

Preferably, the lower end faces of the first base plate and the second base plate are provided with anti-skid base plates, the lower end faces of the anti-skid base plates are paved with rubber layers, and the rubber layers are provided with a plurality of groups of prismatic protrusions.

Compared with the prior art, the beneficial effects of the utility model are that: the escalator is composed of a frame body, a bottom plate and a pedal supporting part, wherein the bottom plate and the pedal supporting part are both telescopic pieces, the bottom plate controls the supporting part to be unfolded through a thread mechanism, and the pedal supporting part forms a second supporting surface during unfolding, so that the working area of the escalator is enlarged, the working applicability of the escalator is improved, and the escalator is convenient and rapid;

the buckling parts are used for linking the two pedals together, the normal expansion of the pedals can not be influenced by the mode of lock, simultaneously, the stability of the pedals during use can be guaranteed, the sliding parts are arranged between the two side plates to link the two side plate bodies, the stability of the two side plates during stretching is improved through the sliding mode, in addition, the anti-skidding base plate on the bottom plate is used for supporting the bottom plate, the anti-skidding effect can be played simultaneously, during use, the working platform above the board ladder is buckled through the matching hook, and the stability of the board ladder is better.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural diagram of a first middle pedal of the present invention.

Fig. 3 is an enlarged schematic view of the structure at a in fig. 2 according to the present invention.

Fig. 4 is a schematic structural view of the fixing sleeve of the present invention.

In the figure, 1, a side plate I; 2. a second side plate; 3. a sliding part; 4. an anti-skid backing plate; 5. a first pedal; 6. a second pedal; 7. a hinged seat; 8. a second accommodating cavity; 9. a first accommodating cavity; 10. a third pedal; 11. a limiting groove; 12. a limiting slide block; 13. a fastening part; 14. a first bottom plate; 15. a second bottom plate; 16. fixing the sleeve; 17. a screw member; 18. a mounting ring; 19. and a screwing piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, in an embodiment of the present invention, a stretchable building-type escalator comprises a first bottom plate 14, a second bottom plate 15, a hinge seat 7, a sliding portion 3 and a buckling portion 13, wherein the upper end surfaces of the first bottom plate 14 and the second bottom plate 15 are respectively connected with a first side plate 1 and a second side plate 2, the bottom ends of the first side plate 1 and the second side plate 2 are respectively hinged with the first bottom plate 14 and the second bottom plate 15 through the hinge seat 7, a plurality of groups of pedal stretching portions are arranged between the first side plate 1 and the second side plate 2, a fixing sleeve 16 is arranged in the first bottom plate 14 and close to the second bottom plate 15, the fixing sleeve 16 is fixedly connected with the first bottom plate 14, a screw member 17 is arranged in the second bottom plate 15 and close to the first bottom plate 14, one end of the screw member 17 in the first bottom plate 14 is rotatably connected with the inner wall of the second bottom plate 15 through a mounting ring 18, one end of the screw member 17 outside the second bottom plate 15 is inserted in the fixing sleeve 16 and is in threaded fit with the fixing sleeve 16, a screwing piece 19 for controlling the rotation of the screw rod piece 17 is arranged outside the second bottom plate 15; the first bottom plate 14 and the second bottom plate 15 form a base, the first side plate 1 and the second side plate 2 form a frame body, and the pedal stretching part is a climbing support part;

the pedal stretching part comprises a first pedal 5 and a second pedal 6, a first containing cavity 9 and a second containing cavity 8 are respectively formed in one side, close to each other, of the first pedal 5 and the second pedal 6, a third pedal 10 is installed in the first containing cavity 9 and the second containing cavity 8, one end, located at the first pedal 5, of the third pedal 10 is in sliding connection with the side wall of the first containing cavity 9, one end, located at the second pedal 6, of the third pedal 10 is fixedly connected with the side wall of the second containing cavity 8, a limiting groove 11 is formed in the upper end face of the third pedal 10, and the limiting groove 11 is matched with a limiting slide block 12 arranged in the first containing cavity 9; when the pedal ladder is stretched, the screwing piece 19 is pulled, the screwing piece 19 drives the screw rod piece 17 to rotate, the screw rod piece 17 is continuously screwed out of the fixing sleeve 16 during rotation, the first bottom plate 14 and the second bottom plate 15 are unfolded, meanwhile, the first side plate 1 and the second side plate 2 are pulled, the first pedal 5 and the second pedal 6 are synchronously unfolded under the driving of the first side plate 1 and the second side plate 2, and the third pedal 10 slides in the first accommodating cavity 9 to form a second climbing support part and further enlarge a support surface of the pedal ladder, wherein the limiting groove 11 is matched with the limiting slide block 12, so that the stability of the third pedal 10 during sliding can be effectively improved;

the screwing piece 19 is a driving plate, a mark post is connected on the driving plate, and one side of the driving plate close to the second bottom plate 15 is fixedly connected with the mounting ring 18 through a connecting piece; the drive plate is arranged on one side of the second bottom plate 15 and connected with the mounting ring 18, when the rotary type folding table is used, a worker can rotate the mounting ring 18 and the screw rod by rotating the drive plate to complete the expansion of the first bottom plate 14 and the second bottom plate 15, and the rotary type folding table is convenient and quick;

the buckling part 13 is arranged between the first pedal 5 and the second pedal 6 and is used for connecting the first pedal 5 and the second pedal 6 when the first pedal 5 and the second pedal 6 are folded; the buckling part 13 comprises a connecting clamping seat and elastic top pillars, the connecting clamping seat is arranged at two sides of the containing cavity and is fixedly connected with the side wall of the first pedal 5, the elastic top pillars are arranged at two sides of the containing cavity and are fixedly connected with the side wall of the second pedal 6, and the elastic top pillars are matched with slotted holes formed in the connecting clamping seat; the buckling part 13 is arranged between the first pedal 5 and the second pedal 6 and is used for clamping the elastic top column into the connecting clamping seat when the first pedal 5 and the second pedal 6 are folded so as to enable the two pedals to be connected together, so that the stability of the two pedals in the folded state is ensured, and the two pedals can be conveniently unfolded in a buckling connection mode;

the sliding part 3 is arranged between the side plate I1 and the side plate II 2 and is used for improving the stability of the side plate I1 and the side plate II 2 in stretching; the sliding part 3 comprises a connecting sleeve and a sliding column, one end of the movable column penetrates through the connecting sleeve and is in sliding fit with the connecting sleeve, the other end of the movable column is fixedly connected with the side wall of the upper end part of the side plate II 2, and one end of the connecting sleeve, far away from the movable column, is fixedly connected with the side wall of the upper end part of the side plate I1; the sliding part 3 is arranged between the side plate I1 and the side plate II 2 and is used for connecting the upper end parts of the two side plates, and the stability of the side plate I1 and the side plate II 2 in the unfolding process is improved through the sliding of the movable column in the connecting sleeve;

the side plate I1 and the side plate II 2 are provided with hooks, and the hooks are arranged at the top ends of the side plate I1 and the side plate II 2 and are welded and fixed with the side plate I1 and the side plate II 2; when the plate ladder is used, the side plate I1 and the side plate II 2 are obliquely arranged through the hinge seat 7 at the bottom end, and the hook at the top end of the side plate I is matched with the end part of the platform above the side plate I, so that the whole plate ladder is supported, and the plate ladder is prevented from falling off when being arranged; the lower end faces of the first bottom plate 14 and the second bottom plate 15 are provided with anti-skidding base plates 4, the lower end faces of the anti-skidding base plates 4 are paved with rubber layers, and a plurality of groups of prismatic protrusions are arranged on the rubber layers; the antiskid backing plate 4 is total two pairs, fixes respectively in bottom plate one 14 and bottom plate two 15 bottoms for support two bottom plates, the rubber layer that is located antiskid backing plate 4 bottom can play shock attenuation protection's effect, and the protruding thing of cooperation setting on the rubber layer simultaneously to increase antiskid backing plate 4 and place the frictional force between the ground, improve the stability when board ladder is placed.

The utility model discloses a theory of operation is: when tensile, stir and revolve wrong piece 19, it drives screw member 17 and rotates to revolve wrong piece 19, screw member 17 is in rotating, constantly from fixed sleeve 16 in screw out, bottom plate one 14 and bottom plate two 15 expand, meanwhile, pulling curb plate one 1 and curb plate two 2, footboard one 5 and footboard two 6 expand with step by step under the drive of curb plate one 1 and curb plate two 2, footboard three 10 slides in accomodating chamber one 9, thereby form second climbing support location, and then enlarge the holding surface and the work area of board ladder, solve traditional board ladder footboard work area's limitation, improve the suitability of board ladder work, and is convenient and fast.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A stretchable building type slab ladder comprises a first bottom plate (14), a second bottom plate (15), a hinged seat (7), a sliding part (3) and a buckling part (13), and is characterized in that the upper end faces of the first bottom plate (14) and the second bottom plate (15) are respectively connected with a first side plate (1) and a second side plate (2), the bottom ends of the first side plate (1) and the second side plate (2) are respectively hinged with the first bottom plate (14) and the second bottom plate (15) through the hinged seat (7), a plurality of groups of pedal stretching parts are arranged between the first side plate (1) and the second side plate (2), a fixing sleeve (16) is arranged in the first bottom plate (14) close to the second bottom plate (15), the fixing sleeve (16) is fixedly connected with the first bottom plate (14), a screw rod piece (17) is arranged in the second bottom plate (15) close to the first bottom plate (14), and one end of the screw rod piece (17) is rotatably connected with the inner wall of the second bottom plate (15) through a mounting ring (18), one end of the second bottom plate (15) where the screw rod piece (17) is located penetrates through the fixing sleeve (16) and is in threaded fit with the fixing sleeve (16), and a screwing piece (19) used for controlling the rotation of the screw rod piece (17) is further arranged outside the second bottom plate (15);

the stretching part of the pedal comprises a first pedal (5) and a second pedal (6), wherein a first containing cavity (9) and a second containing cavity (8) are respectively formed in one side, close to each other, of the first pedal (5) and the second pedal (6), a third pedal (10) is installed in the first containing cavity (9) and the second containing cavity (8), the third pedal (10) is located at one end of the first pedal (5) and is in sliding connection with the side wall of the first containing cavity (9), one end, located at the second pedal (6), of the third pedal (10) is fixedly connected with the side wall of the second containing cavity (8), a limiting groove (11) is formed in the upper end face of the third pedal (10), and the limiting groove (11) is matched with a limiting slide block (12) arranged in the first containing cavity (9);

the sliding part (3) is arranged between the first side plate (1) and the second side plate (2) and is used for improving the stability of the first side plate (1) and the second side plate (2) in stretching;

the buckling part (13) is arranged between the first pedal (5) and the second pedal (6) and used for connecting the first pedal (5) and the second pedal (6) when the first pedal (5) and the second pedal (6) are folded.

2. A stretchable construction-like escalator as claimed in claim 1, wherein: the screwing piece (19) is a driving plate, a mark post is connected to the driving plate, and one side, close to the second bottom plate (15), of the driving plate is fixedly connected with the mounting ring (18) through a connecting piece.

3. A stretchable building-like escalator as claimed in claim 1, wherein said fastening means (13) comprises fastening seats and resilient studs, said fastening seats being disposed on both sides of said receiving cavity and being fixedly connected to the first (5) side walls of said tread, said resilient studs being disposed on both sides of said receiving cavity and being fixedly connected to the second (6) side walls of said tread, said resilient studs cooperating with slots provided in said fastening seats.

4. A stretchable building-like escalator as claimed in claim 1, wherein said sliding part (3) comprises a connecting sleeve and a movable column, one end of said movable column is inserted into said connecting sleeve and is slidably engaged with it, the other end of said movable column is fixedly connected to the side wall of the upper end of the second side plate (2), and the end of said connecting sleeve far from said movable column is fixedly connected to the side wall of the upper end of the first side plate (1).

5. A stretchable building-like escalator as claimed in claim 1, wherein hooks are provided on the first (1) and second (2) side panels and are welded to the top ends of the first (1) and second (2) side panels.

6. A stretchable building board ladder according to claim 1, wherein the lower end surfaces of the first base plate (14) and the second base plate (15) are provided with anti-skid base plates (4), the lower end surfaces of the anti-skid base plates (4) are paved with rubber layers, and the rubber layers are provided with a plurality of groups of prismatic protrusions.