CN217999468U

CN217999468U - Pedal mounting and connecting structure of herringbone ladder

Info

Publication number: CN217999468U
Application number: CN202221977352.9U
Authority: CN
Inventors: 林清源; 黄志芳
Original assignee: Foshan Xingguang Aluminium Co ltd
Current assignee: Foshan Xingguang Aluminium Co ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2022-12-09
Anticipated expiration: 2032-07-28

Abstract

The utility model discloses a double ladder's footboard erection joint structure, including footboard main part and ladder frame, the outside both sides of footboard main part all overlap and are equipped with the cutting ferrule, the cutting ferrule outside seted up with ladder frame matched with draw-in groove, the through-hole has been seted up in the middle of the draw-in groove is inside, the footboard main part splices each other through first bracing piece and second bracing piece and constitutes, just first bracing piece symmetry sets up in the outside both sides of second bracing piece, just the second bracing piece extend to the through-hole outside and with ladder frame is connected, the utility model has the advantages of simple structure, easy to assemble and connect firm effect, increase the problem that footboard erection joint steadiness prevented not hard up and drop.

Description

Pedal mounting and connecting structure of herringbone ladder

Technical Field

The utility model relates to a ladder technical field especially relates to a footboard erection joint structure of double ladder.

Background

The herringbone ladder is deeply loved by consumers due to the self-supporting structure. Current double ladder is usually including the first ladder body and the second ladder body that set up in pairs, and the top of the first ladder body and the second ladder body adopts the metalwork articulated, makes it can fold to accomodate or expand the use, and current double ladder adopts aluminum alloy double ladder mostly, and aluminum alloy double ladder has lightly, and is pleasing to the eye, durable characteristics, and the cost is not high, so by wide use.

However, the existing aluminum alloy herringbone ladder pedals are generally installed in a riveting mode, the operation is complex in the installation and production process, and the existing herringbone ladder pedals are easy to loosen after being used for a long time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a footboard erection joint structure of double ladder has solved the problem of proposition among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the pedal mounting and connecting structure of the herringbone ladder comprises a pedal main body and a ladder frame, wherein clamping sleeves are sleeved on two sides of the outside of the pedal main body, clamping grooves matched with the ladder frame are formed in the outer portions of the clamping sleeves, through holes are formed in the middle of the inner portions of the clamping grooves, the pedal main body is formed by mutually splicing a first supporting rod and a second supporting rod, the first supporting rod is symmetrically arranged on two sides of the outer portion of the second supporting rod, and the second supporting rod extends to the outside of the through holes and is connected with the ladder frame.

Preferably, the clamping groove is arranged in an inclined manner and is clamped with the ladder rack.

Preferably, the first support rod and the second support rod are uniformly distributed with anti-skid lines on the outer surfaces.

Preferably, the second support rod is arranged inside the ladder frame in a penetrating manner, the second support rod extends outwards, and the end part of the extending end of the second support rod is turned outwards.

Preferably, the bottom of the second supporting rod extends downwards to be provided with a reinforcing rod, and the reinforcing rod is connected with the ladder frame.

Preferably, the first support rod and the second support rod are both formed by hollow structures.

Preferably, a reinforcing rib is arranged inside the clamping sleeve.

Preferably, the first support rod and the second support rod are both provided with rounded corners at the outer parts.

Compared with the prior art, the utility model provides a footboard erection joint structure of double ladder has following beneficial effect: be convenient for fixed footboard main part in ladder frame department through cutting ferrule and draw-in groove, stretch out and be connected with ladder frame through the inside second bracing piece of being convenient for that passes through of draw-in groove, and turn up mounting structure through the second bracing piece and replace current footboard riveted structure, have simple structure, easy to assemble and connect firm effect, increase the problem that footboard erection joint steadiness prevented not hard up droing.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic view of the connection structure of the pedal body and the ladder rack of the present invention.

Fig. 2 is a schematic view of the connection structure of the pedal body and the cutting sleeve of the present invention.

Fig. 3 is a schematic diagram of the external structure of the card sleeve of the present invention.

Fig. 4 is the schematic diagram of the internal structure of the cutting ferrule of the present invention.

As indicated by the labels in the figures: 1. a pedal body; 2. a ladder frame; 3. a card sleeve; 11. a first support bar; 12. a second support bar; 31. a card slot; 32. a through hole; 33. reinforcing ribs; 99. anti-skid lines; 121. a reinforcing rod.

Detailed Description

The invention is preferably described below with reference to the accompanying drawings:

in the description of the present invention, it is to be understood that the terms "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "inner," and the like are used in the orientation or positional relationship indicated in the drawings, merely for the purpose of describing the invention and simplifying the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention; furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated; thus, the definitions of "first" and "second" are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly including one or more of such features.

Referring to fig. 1 to 4, a step mounting and connecting structure of a herringbone ladder includes a step main body 1 and a ladder frame 2, wherein two sides of the outside of the step main body 1 are respectively sleeved with a sleeve 3, a slot 31 matched with the ladder frame 2 is formed outside the sleeve 3, a through hole 32 is formed in the middle of the inside of the slot 31, the step main body 1 is formed by mutually splicing a first support rod 11 and a second support rod 12, the first support rod 11 is symmetrically arranged on two sides of the outside of the second support rod 12, and the second support rod 12 extends to the outside of the through hole 32 and is connected with the ladder frame 2.

The utility model discloses an installation theory of operation and effect thereof: earlier in the production installation form footboard main part 1 after first bracing piece 11 splices each other with second bracing piece 12, adopt cutting ferrule 3 to overlap the both sides of footboard main part 1 and establish, increase footboard main part 1 and ladder frame 2's the steadiness of being connected through cutting ferrule 3, and be convenient for second bracing piece 12 to stretch out and be connected with ladder frame 2 through-hole 32, turn up mounting structure through second bracing piece 12 and replace current footboard riveted structure, and the steam generator has a simple structure, easy to assemble and connect firm effect. Increase the footboard erection joint steadiness and prevent not hard up the problem that drops.

In this embodiment, the clamping groove 31 is arranged in an inclined shape, and the clamping groove 31 is clamped with the ladder rack 2; as described above, the ladder frame 2 is effectively engaged with the engaging groove 31, thereby increasing the friction and the installation stability of the pedal body 1.

In this embodiment, the anti-slip patterns 99 are uniformly distributed on the outer surfaces of the first support bar 11 and the second support bar 12; as described above, the slip resistance is effectively increased by the slip preventing ridges 99.

In this embodiment, the second support rod 12 is inserted into the ladder frame 2, the second support rod 12 extends outwards, and the end of the extending end of the second support rod 12 is turned outwards; as described above, the second support rod 12 is effectively extended into the ladder frame 2, and the extended end is extended toward the outside of the ladder frame 2 and turned outward for connection stability.

In this embodiment, a reinforcing rod 121 extends downwards from the bottom of the second supporting rod 12, and the reinforcing rod 121 is connected to the ladder frame 2; as described above, the support performance is further improved by the reinforcing rod 121, and the reinforcing rod 121 can be connected to the ladder frame 2 by screws, which facilitates the mounting and dismounting.

In this embodiment, the first support rod 11 and the second support rod 12 are both formed by hollow structures; as described above, the first support bar 11 and the second support bar 12 are both hollow, so as to save material cost and reduce weight.

In this embodiment, the ferrule 3 is provided with a reinforcing rib 33 inside; as described above, the reinforcing ribs 33 effectively increase the durability and support strength of the ferrule 3.

In this embodiment, the first support bar 11 and the second support bar 12 are both provided with rounded corners at the outer portions thereof; as mentioned above, the arrangement of the fillet can effectively prevent the aluminum alloy burrs from scratching the human body in the process of installing the pedal, and the appearance can be improved while the human body is protected.

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.

Claims

1. The pedal mounting and connecting structure of the herringbone ladder is characterized by comprising a pedal main body (1) and a ladder frame (2), wherein clamping sleeves (3) are sleeved on two sides of the outside of the pedal main body (1), clamping grooves (31) matched with the ladder frame (2) are formed in the outside of the clamping sleeves (3), through holes (32) are formed in the middle of the inside of the clamping grooves (31), the pedal main body (1) is formed by mutually splicing a first supporting rod (11) and a second supporting rod (12), the first supporting rod (11) is symmetrically arranged on two sides of the outside of the second supporting rod (12), and the second supporting rod (12) extends to the outside of the through holes (32) and is connected with the ladder frame (2).

2. The step mounting and connecting structure of a herringbone ladder as claimed in claim 1, wherein the clamping groove (31) is arranged in an inclined manner, and the clamping groove (31) is clamped with the ladder frame (2).

3. The step mounting and connecting structure of a herringbone ladder as claimed in claim 1, wherein anti-slip lines (99) are uniformly distributed on the outer surfaces of the first supporting rod (11) and the second supporting rod (12).

4. The step mounting and connecting structure of a herringbone ladder as claimed in claim 1, wherein said second support bar (12) is inserted into said ladder frame (2), said second support bar (12) extends outward, and an end of said second support bar (12) at an extending end thereof is turned outward.

5. A step mounting and connecting structure of a herringbone ladder as claimed in claim 1, wherein a reinforcing rod (121) is extended downwards from the bottom of the second supporting rod (12), and the reinforcing rod (121) is connected with the ladder frame (2).

6. The step mounting and connecting structure of a herringbone ladder as claimed in claim 1, wherein the first support rod (11) and the second support rod (12) are both formed in a hollow structure.

7. The step mounting and connecting structure of a herringbone ladder according to claim 1, wherein a reinforcing rib (33) is arranged inside the clamping sleeve (3).

8. The step mounting and connecting structure of a herringbone ladder as claimed in claim 1, wherein rounded corners are arranged outside the first supporting rod (11) and the second supporting rod (12).