CN205277276U - Ladder structure - Google Patents

Abstract

The utility model discloses a ladder structure, which enables the ladder to have better and practical efficacy; mainly comprises the following steps: the upper ends of two symmetrical frame bodies are pivoted into a whole by a combined rod, the combined rod is provided with a hook part at one end and a groove at the two ends, a set positioning sheet corresponding to the groove is embedded in the groove, the positioning sheet is locked on the frame body to prevent the combined rod from being separated and enable the hook part to be positioned at an angle, the hook part can be used for hanging articles, a supporting plate is arranged at the set position of the two frame bodies to form a supporting foot bar so as to increase the strength of endurance, the foot bar at the upper end is provided with a convex part, and the convex parts of the two frame bodies can form a large-area bearing surface for bearing articles or a user to bear and sit. Therefore, the utility model can obtain the efficacy of improving the safety and the better practicability of the ladder.

Description

ladder structure

technical field

The utility model relates to a ladder structure, which has the effects of making the combined structure of the ladder firmer, increasing the endurance strength and making the use more convenient.

Background technique

Existing ladder assembly structure, generally as shown in Figure 1, Figure 2, Figure 3, two symmetrical frame bodies 10,11, its upper end is provided with assembly hole 12, assembly hole 12 wears group bolt 13, and with nut 14 Locking, two frame bodies 10,11 are combined to form a ladder, and an iron nail 15 is nailed to one frame body 10 for hanging articles; the above-mentioned structure has the following disadvantages in fact:

Its two frame bodies 10,11 adopt bolt 13, nut 14 to lock together, through opening and closing two frame bodies 10,11 repeatedly, the problem of nut 14 loosening can occur, must often check nut 14 locking, otherwise Can take place frame body 10,11 combination is not firm and loosens, breaks away, and danger occurs when causing use.

Though it has iron nail 15 for hanging article, yet, this iron nail 15 has the danger that falls off, and article still can slip off because of being shaken and go out and fall.

Its support body 10,11 upper end protrudes from the uppermost step bar 16 (as shown in Figure 2 ), causing inconvenient bearing articles or users sitting on the step bar 16 inconveniently.

As shown in FIG. 3 , when the two frame bodies 10 , 11 are folded, the rod bodies of the two frame bodies 10 , 11 are closely connected to each other, and there will be a phenomenon of jamming, which makes it inconvenient to open the two frame bodies 10 , 11 .

Utility model content

The utility model is to improve the above-mentioned existing shortcomings, and its purpose is to make the combined structure of the ladder firmer, increase the endurance strength, and be more convenient to use.

In order to achieve the above purpose, the utility model provides a ladder structure. The upper ends of the two frame bodies have combined holes, which are combined into one body through the combined rod pivot. The combined rod is provided with a groove at one end, and a positioning piece is set at the corresponding groove. , the positioning piece is set to have a slot, the slot of the positioning piece fits in the groove of the combination rod, and the positioning piece is locked to the frame body by screws to limit the separation of the combination rod.

Preferably, one end of the combined rod has a hook for hanging objects.

Preferably, the pedals at the uppermost ends of the two frames have protrusions, and the height of the protrusions is slightly higher than the upper ends of the two frames.

Preferably, a spacer is provided between the two frames so that there is a gap when the two frames are folded.

Preferably, the pedals at the central parts of the two frames are provided with support plates for auxiliary support.

The beneficial effects of the utility model are: it can ensure that the combined rod does not loosen and come off, and ensure that the hook portion of the combined rod is upward, so that the hanging objects do not fall off; And a convex part is provided to form a large-area bearing surface for conveniently placing items or for users to sit on, which improves safety and facilitates use.

Description of drawings

Fig. 1 is the three-dimensional exploded view of existing structure;

Fig. 2 is an existing combined perspective view;

Fig. 3 is the front view of the existing folded state;

Fig. 4 is a three-dimensional exploded view of the structure of the utility model;

Fig. 5 is a combined perspective view of the utility model;

Fig. 6 is a front view of the utility model in a folded state.

PRIOR ART REFERENCE NUMBERS:

10, 11 frame body 14 nuts

12 combination holes 15 iron nails

13 bolts 16 pedals;

Reference signs of the utility model:

20, 21 frame body 30 combination rod

22 combination holes 31 grooves

23 pedal 32 hook

24 convex part 33 positioning piece

25 support plate 34 slotting

H clearance 35 screw

W bearing surface 36 spacers.

detailed description

Please refer to Fig. 4, Fig. 5 and Fig. 6, the upper ends of the two frame bodies 20, 21 have a combination hole 22 and are pivotally combined through a combination rod 30. Set the positioning piece 33 at the corresponding groove 31, the positioning piece 33 is set to have a slit 34, the slit 34 of the positioning piece 33 fits in the groove 31 of the combination rod 30, and the positioning piece 33 is locked with a screw 35 On the frame body 20,21; the pedal 23 at the uppermost end of the frame body 20,21 is provided with a convex portion 24, the height of the convex portion 24 is slightly higher than the upper end of the frame body 20,21, and the uppermost pedal rod 23 of the two frame bodies 20,21 The convex part 24 of the upper part of the frame forms a large-area bearing surface W; a gasket 36 is provided between the upper ends of the two frame bodies 20, 21, so that there is still a gap H when the two frame bodies 20, 21 are folded; , The step bar 23 at the set height of the two frames 20 , 21 is provided with a support plate 25 , and the support plate 25 is supported on the step bar 23 .

According to above-mentioned structure, can obtain following effect, advantage:

As shown in Fig. 5 and Fig. 6, the combination rod 30 combining the two frames 20, 21 is limited by the positioning piece 33, and the positioning piece 33 is provided with a sectional groove 34 to fit into the groove 31 of the combination rod 30 instead of bolts. 1. Combination of screw caps (thread type), therefore, there will be no loosening or detachment problems caused by repeated closing and opening, and the safety is good.

The combined rod 30 has a hook portion 32 for hanging articles, and because the combined rod 30 is provided with a groove 31 and fits through the slot 34 of the positioning piece 33, it can limit the hook portion 32 upwards and will not turn downwards. The effect is to prevent the item from slipping out and falling.

As shown in Figure 6, a spacer 36 is provided between the two frame bodies 20, 21, so that there is still a gap H when the two frame bodies 20, 21 are folded, so that there will be no problem of jamming, and it is convenient to open the two frames again. The effect of frame body 20,21.

As shown in FIG. 5 , the uppermost pedals 23 of the two frames 20 , 21 have protrusions 24 , so that a bearing surface W is formed at the upper end for placing objects or for users to sit on.

As shown in FIG. 5 , the pedal bar 23 at the central part of the two frame bodies 20 , 21 is provided with a support plate 25 , so that the endurance strength of the pedal bar 23 is increased.

To sum up, the structure of the present utility model has excellent practicability and improved efficacy.

Claims (5)

1. a ladder structure, it is characterized in that, there are two frame bodies, this two framves body upper end has combination bore, is combined into one by combination bar pivot, and this combination bar is set as one end and is provided with groove, bit slice is set at respective slot place, this location sheet is set as has profile groove, and the profile groove of location sheet is embedded in the groove of combination bar, and this location sheet schedules frame body by screw lock.

2. ladder structure as claimed in claim 1, it is characterised in that, this combination bar one end has hook part for hanging article.

3. ladder structure as claimed in claim 1, it is characterised in that, this two framves body treadle topmost has protuberance, and the height of this protuberance is higher than two frame body upper ends.

4. ladder structure as claimed in claim 1, it is characterised in that, it is provided with pad between this two framves body, so that leaving gap when two frame bodies fold.

5. ladder structure as claimed in claim 1, it is characterised in that, the treadle of this two framves body central part is provided with back up pad supplemental support.