CN219973740U

CN219973740U - Attic extension ladder with replaceable pedals

Info

Publication number: CN219973740U
Application number: CN202321322330.3U
Authority: CN
Inventors: 蔡彬彬; 刘双; 熊裕平
Original assignee: Shanghai Ruiju Metal Products Co ltd
Current assignee: Shanghai Ruiju Metal Products Co ltd
Priority date: 2023-05-29
Filing date: 2023-05-29
Publication date: 2023-11-07
Anticipated expiration: 2033-05-29

Abstract

The utility model relates to an attic telescopic ladder with replaceable pedals, which relates to the technical field of telescopic ladders and comprises a mounting frame, wherein a support frame is arranged on the mounting frame, the support frame is provided with the pedals, a connection price is arranged between the pedals and the support frame, a plurality of support frames and the pedals are arranged at intervals in the vertical direction, and movable plates are arranged between the support frames and are in rotary connection with the support frames. According to the utility model, the pedals are arranged on the support frame through the connecting component, so that the overall stability of the attic ladder is ensured, and meanwhile, the convenience of replacing a single pedal is improved, and the whole attic ladder is not required to be replaced.

Description

Attic extension ladder with replaceable pedals

Technical Field

The utility model relates to the technical field of extension ladders, in particular to an attic extension ladder with a replaceable pedal.

Background

With the continuous development of the building industry, attics in buildings are more and more common, and in daily life, houses in cities are often seen to be provided with attics, and most attics are either idle or used for storing grains or some unusual articles. People can more quickly enter the attic, an extension ladder is arranged at the entrance of the attic, and when the user needs to enter the attic, the extension ladder is unfolded, and when the user does not use the extension ladder, the user can store the extension ladder in the attic.

The utility model discloses a take attic ladder of handrail, it discloses a take chinese patent of CN212153948U, including the attic floor, the inside fixed mounting on attic floor has fixed frame, fixed frame's inside fixed mounting has the bracing piece, the outside fixed mounting of bracing piece has the stair fixed plate, the last fixed surface of stair fixed plate installs the support column, one side fixed mounting of support column has an electric telescopic handle, electric telescopic handle's one end swing joint has electric telescopic handle, electric telescopic handle's one end joint has the ball draw-in groove, the outside fixed mounting of ball draw-in groove has the guardrail stand, the bottom fixed mounting of guardrail stand has the stair footboard, one side of stair footboard is equipped with first axis of rotation, the outside movable mounting of first axis of rotation has collapsible riser.

When the attic ladder is used, the attic ladder is unfolded, and after the ground of the pedal at the lowest side of the attic ladder is contacted, a user climbs up the attic along the pedal of the attic ladder.

With respect to the above related art, the inventor believes that in order to ensure stability, the conventional attic ladder generally has a fixedly installed tread, and thus when one tread is damaged, the entire attic ladder needs to be replaced.

Disclosure of Invention

In order to solve the problem that when one pedal is damaged, the whole attic stair needs to be replaced, the utility model provides an attic telescopic ladder with a replaceable pedal.

The utility model provides an attic telescopic ladder with a replaceable pedal, which adopts the following technical scheme:

the utility model provides a flexible ladder of attic of removable footboard, includes the mounting bracket, be provided with the support frame on the mounting bracket, be provided with the footboard on the support frame, the footboard with be provided with between the support frame and connect the group price, just support frame and footboard are provided with a plurality of at vertical direction interval, and a plurality of simultaneously all be provided with the fly leaf between the support frame, the fly leaf with the support frame rotates to be connected.

Optionally, the slot has been seted up on the support frame, the footboard with the slot grafting cooperation, just seted up the draw-in groove on the support frame, coupling assembling includes the buckle, the buckle is installed on the footboard, just the buckle with draw-in groove joint.

Optionally, be provided with the push pedal on the support frame, one side that the support frame is close to the push pedal is provided with the clamp plate, the clamp plate with be provided with the connecting plate between the push pedal, the both ends of connecting plate are connected with the push pedal and the clamp plate of both sides respectively.

Optionally, a supporting spring is arranged between the pressing plate and the supporting frame, and the supporting member is abutted between the supporting frame and the pressing plate.

Optionally, a fixing bolt is disposed on the support frame, one end of the fixing bolt penetrates into the slot on the support frame, and one end of the fixing bolt is connected with the pedal.

Optionally, a plurality of the support frame is provided with the slipmat away from one side of mounting bracket, the slipmat is fixed on the support frame.

Optionally, a hook is arranged on the mounting frame, a positioning block is arranged on one support frame at the lowest side of the plurality of support frames, a positioning groove is formed in the positioning block, and the hook is hung on the positioning groove of the positioning block.

In summary, the attic telescopic ladder comprises at least one of the following beneficial technical effects that:

in the application, when needing to get into in the attic, expand the support frame through the fly leaf, then the user steps on the footboard and enters into in the attic, when a footboard damages, will take off the footboard on the corresponding support frame through coupling assembling, later change the footboard, install the footboard on the support frame through coupling assembling, both guaranteed the holistic stability of attic ladder, also made the convenience that single footboard was changed simultaneously to promote, need not change whole attic stair.

Drawings

Fig. 1 is a schematic view of the overall structure of an attic extension ladder according to the present embodiment, which mainly includes a replaceable pedal;

FIG. 2 is a partial schematic view of a stair embodying a pavilion according to this embodiment;

FIG. 3 is an exploded schematic view of the pedal structure according to the present embodiment;

fig. 4 is an enlarged schematic view of a portion a of fig. 3.

Reference numerals: 1. a mounting frame; 11. a hook; 2. a support frame; 21. a slot; 22. a clamping groove; 23. an anti-slip pad; 3. a pedal; 4. connecting the group price; 41. a buckle; 42. a fixing bolt; 43. a push plate; 431. a pressing plate; 432. a connecting plate; 433. a guide rod; 434. a support spring; 44. a positioning block; 441. a positioning groove; 5. a movable plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present utility model fall within the protection scope of the present utility model.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. As used in the specification and claims of the present application, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.

The utility model is described in further detail below with reference to fig. 1-4.

The embodiment of the utility model discloses an attic telescopic ladder with a replaceable pedal.

Referring to fig. 1, an attic extension ladder with a replaceable pedal 3 comprises a mounting frame 1, wherein a support frame 2 is arranged on the mounting frame 1, the pedal 3 is arranged on the support frame 2, a connection price 4 is arranged between the pedal 3 and the support frame 2, a plurality of support frames 2 and 3 are arranged at intervals in the vertical direction, a movable plate 5 is arranged between the plurality of support frames 2, and the movable plate 5 is rotationally connected with the support frames 2.

When needing to get into the attic in, expand support frame 2 through fly leaf 5, then the user steps on footboard 3 and enters into the attic in, when a footboard 3 damages, will take off the footboard 3 on the corresponding support frame 2 through coupling assembling, later change footboard 3, install footboard 3 on support frame 2 through coupling assembling, both guaranteed holistic stability of attic ladder, also made the convenience that single footboard 3 was changed simultaneously promoted, need not change whole attic stair.

When the support frame is used, the mounting frames 1 are mounted on the floor slab of the attic, the support frames 2 are in a group in pairs, the support frames 2 are provided with a plurality of groups at intervals along the vertical direction, and each group of support frames 2 is correspondingly matched with one pedal 3.

Referring to fig. 2-3, slots 21 are formed on one side, close to each other, of the two support frames 2, the pedal 3 is in plug-in fit with the slots 21 on the support frames 2 corresponding to the two sides, clamping grooves 22 are formed on the two support frames 2, the two clamping grooves 22 are communicated with the slots 21 on the corresponding support frames 2, the connecting assembly comprises two buckles 41, the two buckles 41 are arranged on the pedal 3 at intervals, the two buckles 41 correspond to the clamping grooves 22, one ends of the two buckles 41 are connected with the plugboard, and the other ends of the two buckles 41 are in clamping connection with the corresponding clamping grooves 22.

Meanwhile, in order to further improve the stability of the pedal 3 on the support frame 2, a fixing bolt 42 is arranged on the support frame 2, one end of the fixing bolt 42 penetrates into the slot 21, and when the pedal 3 is inserted into the slot 21, the fixing bolt 42 is in threaded connection with the pedal 3.

Referring to fig. 4, in order to improve the convenience of taking down the pedal 3 from the support frame 2, after improvement of a designer, one side of the support frame 2 is provided with a push plate 43, the push plate 43 is abutted against one end of the buckle 41 away from the pedal 3, the support frame 2 is provided with a pressing plate 431, the pressing plate 431 and the push plate 43 are arranged at parallel intervals, a connecting plate 432 is arranged between the pressing plate 431 and the corresponding push plate 43, and two ends of the connecting plate 432 are respectively connected with the pressing plates 431 and the push plates 43 on two sides. In use, by pressing the pressing plate 431 toward the side close to the support frame 2, the push plate 43 on the pressing plate 431 pushes the buckle 41 toward the inner side of the clamping groove 22, so that the buckle 41 is separated from the clamping groove 22, and the pedal 3 can be removed from the support frame 2.

Meanwhile, in order to improve the convenience of pressing the pressing plate 431 on the supporting frame 2, after improvement of a designer, a guide rod 433 is arranged on the supporting frame 2, one end of the guide rod 433 is connected with the supporting frame 2, the other end of the guide rod 433 penetrates through the pressing plate 431, the pressing plate 431 is in sliding fit with the guide rod 433, a supporting spring 434 is arranged between the pressing plate 431 and the supporting frame 2, the supporting spring 434 is sleeved on the guide rod 433, one end of the supporting spring 434 is abutted against the supporting frame 2, the other end of the supporting spring 434 is abutted against the pressing plate 431, when the pressing plate 431 is pressed, the supporting spring 434 compresses, and when the pressing plate 431 is loosened, the supporting spring 434 pushes the pressing plate 431 to one side far away from the supporting frame 2.

The fly leaf 5 wholly is rectangular form, and the fly leaf 5 is provided with a plurality of in each interval of the both sides of support frame 2, simultaneously single fly leaf 5 connects three adjacent support frame 2, one end and the vertical direction upside support frame 2 horizontal direction of single fly leaf 5 keep away from one side rotation of mounting bracket 1 and are connected, the middle part of fly leaf 5 rotates with the middle part of downside support frame 2 and is connected, the other end and the left one side that support frame 2 horizontal direction is close to mounting bracket 1 of fly leaf 5 rotate and are connected, during the use, through the rotation of fly leaf 5, make the pavilion stair can change the angle, make the adaptability of pavilion stair can promote.

When the user steps on pedal 3, in order to guarantee the security of user on the pavilion stair, all be provided with slipmat 23 on two support frames 2 of vertical direction downside, slipmat 23 is fixed in one side that support frame 2 deviates from mounting bracket 1, when the attic ladder was expanded, slipmat 23 on the support frame 2 supported tightly subaerial to when the user steps on pedal 3, only need another people to step on pedal 3, can promote the security that the user walked the attic.

In the attic ladder accommodating process, people always pass through from the lower side, in order to prevent the attic ladder from falling down, the hanging hook 11 is arranged on the mounting frame 1, the positioning block 44 is arranged on one supporting frame 2, which is far away from the mounting frame 1, in the vertical direction, the positioning block 44 is provided with the positioning groove 441, and when the attic ladder is accommodated, the hanging hook 11 is hung on the positioning groove 441 of the positioning block 44, so that the attic ladder is prevented from falling.

The embodiment of the utility model provides an attic telescopic ladder with a replaceable pedal 3, which is implemented by the following principle: when the pedal 3 is used, the movable plate 5 is used for unfolding the pedal 3, the anti-slip pad 23 on the support frame 2 at the lowest side is abutted against the ground, when one pedal 3 is damaged, the pressing plates 431 on two sides of the pedal 3 are pressed down, the pressing plates 431 push the buckles 41 to the inner sides of the clamping grooves 22 through the pushing plates 43, then the fixing bolts 42 on the support frames 2 are taken down, the pedal 3 is taken out from the two support frames 2 at the same time, then a new pedal 3 is selected, the buckles 41 on the pedal 3 are inserted into the clamping grooves 22 of the support frames 2, and finally the fixing bolts 42 are screwed on the support frames 2, so that the replacement of the pedal 3 is completed.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. Attic extension ladder of removable footboard (3), including mounting bracket (1), its characterized in that: be provided with support frame (2) on mounting bracket (1), be provided with footboard (3) on support frame (2), footboard (3) with be provided with coupling assembling (4) between support frame (2), just support frame (2) are provided with a plurality of in vertical direction interval with footboard (3) simultaneously a plurality of all be provided with fly leaf (5) between support frame (2), fly leaf (5) with support frame (2) rotate and are connected.

2. Attic extension ladder with replaceable footrests (3) according to claim 1, characterized in that: the pedal comprises a support frame (2), wherein a slot (21) is formed in the support frame (2), the pedal (3) is in plug-in fit with the slot (21), a clamping groove (22) is formed in the support frame (2), the connecting assembly comprises a buckle (41), the buckle (41) is installed on the pedal (3), and the buckle (41) is in clamping connection with the clamping groove (22).

3. Attic extension ladder with replaceable footrests (3) according to claim 2, characterized in that: the novel multifunctional portable device is characterized in that a pushing plate (43) is arranged on the supporting frame (2), a pressing plate (431) is arranged on one side, close to the pushing plate (43), of the supporting frame (2), a connecting plate (432) is arranged between the pressing plate (431) and the pushing plate (43), and two ends of the connecting plate (432) are connected with the pushing plates (43) on two sides and the pressing plate (431) respectively.

4. A attic extension ladder with a replaceable pedal (3) according to claim 3, characterized in that: a supporting spring (434) is arranged between the pressing plate (431) and the supporting frame (2), and the supporting member is abutted between the supporting frame (2) and the pressing plate (431).

5. Attic extension ladder with replaceable footrests (3) according to claim 2, characterized in that: the support frame (2) is provided with a fixing bolt (42), one end of the fixing bolt (42) penetrates into the slot (21) on the support frame (2), and one end of the fixing bolt (42) is connected with the pedal (3).

6. Attic extension ladder with replaceable footrests (3) according to claim 1, characterized in that: one side of a plurality of support frames (2) far away from the installation frame (1) is provided with an anti-slip pad (23), and the anti-slip pad (23) is fixed on the support frames (2).

7. Attic extension ladder with replaceable footrests (3) according to claim 1, characterized in that: the mounting rack (1) is provided with hooks (11), one of the lowest sides of the supporting frames (2) is provided with a positioning block (44), the positioning block (44) is provided with a positioning groove (441), and the hooks (11) are hung on the positioning groove (441) of the positioning block (44).