CN220081285U - Telescopic building engineering ladder - Google Patents

Abstract

The utility model discloses a telescopic building engineering ladder, which relates to the technical field of building engineering ladders and comprises a first ladder and a second ladder, wherein a pair of mounting plates are fixedly arranged on the rear wall surface of the first ladder, sliding grooves are formed in the side wall surfaces of the mounting plates, moving blocks are respectively and fixedly arranged on the outer two side wall surfaces of the second ladder, and the moving blocks are slidably arranged in the sliding grooves.

Description

Telescopic building engineering ladder

Technical Field

The utility model relates to the technical field of building engineering ladders, in particular to a telescopic building engineering ladder.

Background

The building engineering is an engineering entity formed by building various house buildings and auxiliary facilities thereof and installing and moving lines, pipelines and equipment matched with the building buildings, when building decoration design is carried out, auxiliary operation is usually carried out by means of a plurality of ladders, the ladders and daily life appliances are taken as edges by two long and thick rods, and the middle of the long and thick rods transversely passes through a cross rod suitable for climbing and is used for climbing;

the current convenient ladder is chevron or style of calligraphy generally, to the ladder of chevron, hardly be close to the wall when decorating, because its chevron shape structure has decided no matter what side the user climbs from, all can have certain distance from the wall, to the ladder of style of calligraphy, need lean on the one end of ladder on the wall, lead to the ladder to cause the damage to the wall easily to these two kinds of ladders can not carry out telescopic adjustment ladder holistic length under the general circumstances, and then reduce the practicality of ladder.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a telescopic building engineering ladder, which solves the technical problems that the conventional convenient ladder is generally in a herringbone shape or a straight shape, and the herringbone shape is difficult to approach a wall side when decoration is carried out, because the herringbone structure determines that no matter which side a user climbs up, the user can have a certain distance from the wall surface, one end of the straight shape needs to lean against the wall surface, the damage to the wall surface is easily caused by the ladder, and the overall length of the ladder cannot be adjusted in a telescopic way under the general condition of the two ladders, so that the practicability of the ladder is reduced.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a telescopic building engineering ladder, includes first ladder and second ladder, first ladder back wall fixed mounting has a pair of mounting panel, the spout has been seted up to mounting panel lateral wall, the outer both sides wall of second ladder respectively fixed mounting have the movable block, movable block slidable mounting is in the spout, be equipped with spacing subassembly between mounting panel and the second ladder, a pair of hinge connection has the bottom plate between the mounting panel bottom, be equipped with supporting component between bottom plate and the mounting panel.

Preferably, the spacing subassembly includes a plurality of spacing holes, and a plurality of spacing holes are offered in second ladder outer both sides wall face and are located the movable block top, first screw hole has been seted up to mounting panel lateral wall face, first screw hole internal rotation has connect spacing bolt, spacing bolt and spacing hole assorted, fixed mounting has the otic placode on the spacing bolt.

Preferably, the support assembly comprises a pair of support rods, the support rods are hinged to one end of the bottom plate, sliding rails are fixedly installed on the rear wall surface of the mounting plate respectively, a sliding block is installed in the sliding rails in a sliding mode, the other ends of the support rods are hinged to the sliding blocks, and a limiting portion is arranged between the sliding blocks and the sliding rails.

Preferably, the limit part comprises a screw rod, a second threaded hole is formed in the sliding block, the screw rod is screwed in the second threaded hole, racks are fixedly installed in the sliding rail, guide grooves are formed in the two sides of the lower wall surface of the sliding block and located on the two sides of the second threaded hole, guide rods are inserted in the guide grooves, a top plate is fixedly installed between the lower ends of the guide rods, a mounting groove is formed in the upper wall surface of the top plate, a bearing is fixedly installed in the mounting groove, the lower end of the screw rod is fixedly installed on the inner ring of the bearing, limit teeth are fixedly installed on the lower wall surface of the top plate, and the limit teeth are in meshed connection with the racks.

Preferably, the cross section shapes of the sliding groove and the sliding rail are respectively in a dovetail groove structure, and the cross sections of the moving block and the sliding block collide and are respectively positioned in the dovetail block structure.

Preferably, a knob is fixedly arranged at the upper end of the screw rod.

Advantageous effects

The utility model provides a telescopic building engineering ladder, which solves the technical problems that the conventional convenient ladder is generally in a herringbone shape or a straight shape, and the herringbone shape is difficult to approach to a wall when the decoration is carried out, because the herringbone structure determines that no matter which side is climbed by a user, the herringbone shape is a certain distance away from the wall, one end of the straight shape needs to lean against the wall, the damage to the wall is easily caused by the ladder, and the whole length of the ladder cannot be regulated in a telescopic manner under the normal condition of the two types of ladder, so that the practicability of the ladder is reduced.

Drawings

Fig. 1 is a schematic view of a front view structure of a telescopic ladder for construction engineering according to the present utility model.

Fig. 2 is a schematic side view of a telescopic ladder for construction engineering according to the present utility model.

Fig. 3 is a schematic side sectional view of a telescopic construction ladder according to the present utility model.

Fig. 4 is a schematic structural view of a spacing component of the telescopic ladder for construction engineering according to the present utility model.

Fig. 5 is a schematic view of a limit part structure of a telescopic ladder for construction engineering according to the present utility model.

In the figure: 1. a first ladder; 2. a second ladder; 3. a mounting plate; 4. a chute; 5. a moving block; 6. a bottom plate; 7. a limiting hole; 8. a limit bolt; 9. ear plates; 10. a support rod; 11. a slide rail; 12. a slide block; 13. a screw rod; 14. a rack; 15. a guide groove; 16. a guide rod; 17. a top plate; 18. a bearing; 19. limit teeth; 20. and (5) a knob.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a telescopic building engineering ladder, includes first ladder 1 and second ladder 2, 1 back wall fixed mounting of first ladder has a pair of mounting panel 3, spout 4 has been seted up to mounting panel 3 lateral wall, the outside both sides wall of second ladder 2 is fixed mounting respectively has movable block 5, movable block 5 slidable mounting is in spout 4, be equipped with spacing subassembly between mounting panel 3 and the second ladder 2, a pair of the hinge connection has bottom plate 6 between mounting panel 3 bottom, be equipped with supporting component between bottom plate 6 and the mounting panel 3;

pulling second ladder 2, second ladder 2 removes along spout 4 route under the effect of movable block 5 to second ladder 2 is spacing under spacing subassembly's effect, prevents that second ladder 2 from moving, opens bottom plate 6, makes bottom plate 6 support first ladder 1, and supports between bottom plate 6 and first ladder 1 through supporting component.

The embodiment is further configured in that the limiting assembly comprises a plurality of limiting holes 7, the limiting holes 7 are formed in two outer side wall surfaces of the second ladder 2 and located above the moving block 5, a first threaded hole is formed in the side wall surface of the mounting plate 3, a limiting bolt 8 is screwed into the first threaded hole, the limiting bolt 8 is matched with the limiting holes 7, and an ear plate 9 is fixedly mounted on the limiting bolt 8;

the limit bolt 8 is rotated, so that the limit bolt 8 is fed along the first threaded hole path, the limit bolt 8 is inserted into the limit hole 7, and the second ladder 2 is limited.

The embodiment is further configured in that the supporting component comprises a pair of supporting rods 10, the pair of supporting rods 10 are hinged to one end of the bottom plate 6, sliding rails 11 are fixedly installed on the rear wall surface of the mounting plate 3 respectively, a sliding block 12 is slidably installed in the sliding rails 11, the other end of each supporting rod 10 is hinged to the corresponding sliding block 12, and a limiting part is arranged between each sliding block 12 and each sliding rail 11;

the angle between the bottom plate 6 and the first ladder 1 is adjusted, at this time, the supporting rod 10 moves along the path of the sliding rail 11 under the action of the sliding block 12, and after the adjustment is finished, the sliding block 12 is limited by the limiting part.

The embodiment is further configured in that the limiting part comprises a screw rod 13, a second threaded hole is formed in the sliding block 12, the screw rod 13 is screwed in the second threaded hole, a rack 14 is fixedly installed in the sliding rail 11, guide grooves 15 are formed in the lower wall surface of the sliding block 12 and located at two sides of the second threaded hole, guide rods 16 are inserted in the guide grooves 15, a top plate 17 is fixedly installed between the lower ends of the guide rods 16, an installation groove is formed in the upper wall surface of the top plate 17, a bearing 18 is fixedly installed in the installation groove, the lower end of the screw rod 13 is fixedly installed in the inner ring of the bearing 18, limiting teeth 19 are fixedly installed on the lower wall surface of the top plate 17, and the limiting teeth 19 are in meshed connection with the rack 14;

the screw rod 13 is rotated, the screw rod 13 moves along the second threaded hole path, the screw rod 13 further pushes the top plate 17, the top plate 17 moves along the limiting groove path under the action of the limiting rod, and further limiting teeth 19 on the lower wall surface of the top plate 17 are meshed with the racks 14.

In this embodiment, the sectional shapes of the sliding groove 4 and the sliding rail 11 are respectively in a dovetail groove structure, and the sections of the moving block 5 and the sliding block 12 collide with each other and are respectively located in the dovetail block structure.

The embodiment is further configured that a knob 20 is fixedly arranged at the upper end of the screw rod 13.

The detailed connection means are known in the art, and the following mainly describes the working principle and process, and the specific work is as follows.

Examples: according to the attached drawings, the second ladder 2 is pulled, the second ladder 2 moves along the path of the sliding groove 4 under the action of the moving block 5, the limiting bolt 8 is rotated, the limiting bolt 8 moves along the path of the limiting groove, the limiting bolt 8 is further inserted into the limiting hole 7, the second ladder 2 is further limited, the second ladder 2 is prevented from moving, the bottom plate 6 is opened, the bottom plate 6 supports the first ladder 1, the angle between the bottom plate 6 and the first ladder 1 is adjusted, at the moment, the supporting rod 10 moves along the path of the sliding rail 11 under the action of the sliding block 12, the screw rod 13 is rotated, the screw rod 13 moves along the path of the second threaded hole, the top plate 17 is further pushed by the screw rod 13 to move along the path of the limiting groove under the action of the limiting rod, the limiting teeth 19 on the lower wall surface of the top plate 17 are meshed with the rack 14, the sliding block 12 is further limited, the position between the supporting rod 10 and the bottom plate 6 is prevented, and the first ladder 1 is supported.

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.

Claims (6)

1. The utility model provides a telescopic building engineering ladder, includes first ladder (1) and second ladder (2), its characterized in that, wall fixed mounting has a pair of mounting panel (3) behind first ladder (1), spout (4) have been seted up to mounting panel (3) lateral wall, outside both sides wall fixed mounting has movable block (5) respectively to second ladder (2), movable block (5) slidable mounting is in spout (4), be equipped with spacing subassembly between mounting panel (3) and second ladder (2), a pair of hinge connection has bottom plate (6) between mounting panel (3) bottom, be equipped with supporting component between bottom plate (6) and mounting panel (3).

2. The telescopic building engineering ladder according to claim 1, wherein the limiting assembly comprises a plurality of limiting holes (7), the limiting holes (7) are formed in two outer side wall surfaces of the second ladder (2) and located above the moving block (5), the side wall surfaces of the mounting plate (3) are provided with first threaded holes, limiting bolts (8) are screwed into the first threaded holes, the limiting bolts (8) are matched with the limiting holes (7), and lug plates (9) are fixedly mounted on the limiting bolts (8).

3. The telescopic construction ladder according to claim 2, wherein the support assembly comprises a pair of struts (10), the struts (10) are hinged to one end of the bottom plate (6), sliding rails (11) are fixedly mounted on the rear wall surface of the mounting plate (3), sliding blocks (12) are slidably mounted in the sliding rails (11), the other ends of the struts (10) are hinged to the sliding blocks (12), and limiting portions are arranged between the sliding blocks (12) and the sliding rails (11).

4. The telescopic building engineering ladder according to claim 3, wherein the limiting part comprises a screw rod (13), a second threaded hole is formed in the sliding block (12), the screw rod (13) is screwed to the second threaded hole, racks (14) are fixedly installed in the sliding rail (11), guide grooves (15) are formed in the lower wall surface of the sliding block (12) and are located on two sides of the second threaded hole, guide rods (16) are installed in the guide grooves (15), a top plate (17) is fixedly installed between the lower ends of the guide rods (16), an installation groove is formed in the upper wall surface of the top plate (17), a bearing (18) is fixedly installed in the installation groove, the lower end of the screw rod (13) is fixedly installed on the inner ring of the bearing (18), limiting teeth (19) are fixedly installed on the lower wall surface of the top plate (17), and the limiting teeth (19) are in meshed connection with the racks (14).

5. A telescopic construction ladder according to claim 3, wherein the cross-sectional shapes of the sliding groove (4) and the sliding rail (11) are respectively dovetail groove structures, and the cross-sectional collisions of the moving block (5) and the sliding block (12) are respectively dovetail block structures.

6. A telescopic construction ladder according to claim 4, characterized in that the screw rod (13) is fixedly provided with a knob (20) at its upper end.