CN217632229U

CN217632229U - Folding type cat ladder

Info

Publication number: CN217632229U
Application number: CN202221164104.2U
Authority: CN
Inventors: 黄泽宏
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-10-21
Anticipated expiration: 2032-05-16

Abstract

The utility model discloses a folding crawling ladder, which comprises a bracket, a plurality of groups of pedals and a turnover mechanism, wherein one side of the bracket is hinged on a wall, and the other side of the bracket is fixed on the wall through a locking structure; two sides of each group of pedals along the length direction are provided with two groups of rotating shafts, namely a first rotating shaft and a second rotating shaft; the first rotating shaft is rotatably connected to the bracket; the bracket is provided with an arc-shaped groove at a position corresponding to the second rotating shaft; the turnover mechanism comprises a plurality of groups of connecting rods, and each group of connecting rods is used for connecting second rotating shafts of two adjacent groups of pedals; when the pedal is unfolded, the second rotating shaft swings in the arc-shaped groove and is supported at the bottom of the arc-shaped groove; when the pedals are folded, the second rotating shaft swings to the top of the arc-shaped groove in the arc-shaped groove. Through the arrangement, the utility model discloses a folded ladder stand's structure is simpler, and the fastness is better, and manufacturing cost is lower.

Description

Folding type cat ladder

Technical Field

The utility model relates to a stair, concretely relates to folded form cat ladder.

Background

At present, most of the stairs used on the duplex floors in the market are common stairs, but the common stairs occupy a large space in a house, so that the space in the house can be greatly reduced. Therefore, in order to solve the problems, a foldable and storable stair appears on the market, and the stair is put down when the foldable and storable stair is needed to be used and is folded when the foldable and storable stair is not needed to be used, so that the occupied space of the stair is reduced. For example, the utility model patent of grant bulletin number CN 21416903U discloses "a collapsible stair", collapsible stair includes folding ladder body and supporting platform, and supporting platform is connected with the upper end of folding ladder body, and supporting platform includes backup pad, folding support frame and first guardrail, and the backup pad level sets up and corresponds with the upper end of folding ladder body, and folding support frame sets up in the bottom side of backup pad, and folding support frame's upper end is articulated with the bottom side of backup pad, and first guardrail sets up in the ascending one end of the width direction of backup pad and extends towards the top, and the lower extreme of first guardrail is articulated with the backup pad, and first guardrail still is connected with the upper end of folding ladder body. The structure is simple, the use is convenient, and when the stair is used, the stair is unfolded so as to facilitate people to go up and down; when not in use, the folding ladder body and the supporting platform can be folded, so that the occupied space of the ladder is small, and the use of the surrounding space is not influenced.

However, the above foldable staircases have complicated structure, poor firmness and high manufacturing cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's is not enough, provides a folded form cat ladder, the structure of folded form cat ladder is simpler, and the fastness is better, and manufacturing cost is lower.

The utility model provides an above-mentioned technical problem's technical scheme be:

a folding ladder stand comprises a support, a plurality of groups of pedals arranged on the support and a turnover mechanism used for driving the pedals to turn synchronously, wherein one end of the support is hinged to a wall, and the other end of the support is fixed on the wall through a locking structure; the multiple groups of pedals are sequentially arranged along the length direction of the bracket; two groups of rotating shafts are arranged on two sides of each group of pedals along the length direction of the pedals, one group of rotating shafts is positioned on one side of the width direction of the pedals and is a first rotating shaft, and the other group of rotating shafts is a second rotating shaft, wherein the first rotating shaft is rotatably connected to the bracket; the bracket is provided with an arc-shaped groove at a position corresponding to the second rotating shaft, and the arc-shaped groove is concentric with the first rotating shaft; the second rotating shaft extends into the arc-shaped groove; the turnover mechanism comprises a plurality of groups of connecting rods, and each group of connecting rods is used for connecting second rotating shafts of two adjacent groups of pedals; when the pedal is unfolded, the second rotating shaft swings in the arc-shaped groove along the extending direction of the arc-shaped groove and is supported at the bottom of the arc-shaped groove; when the pedal is folded, the second rotating shaft swings to the top of the arc-shaped groove in the arc-shaped groove along the extending direction of the arc-shaped groove.

Preferably, the support comprises support rods positioned on two sides and connecting plates used for connecting the support rods on two sides, wherein the connecting plates are divided into two groups, the two groups of connecting plates are respectively positioned on the upper side and the lower side of the support rods, and the two sides of the connecting plates are respectively installed on the support rods on two sides through bolt connecting structures.

Preferably, the support rod is of a hollow tube structure.

Preferably, the connecting rods are two groups, and the two groups of connecting rods are positioned on two sides of the pedal and are positioned on the inner side of the support.

Preferably, the pedal and the connecting plate are both hollow structures.

Preferably, reinforcing rib structures are arranged in the pedal and the connecting plate.

Preferably, the locking structure comprises magnets provided on the bracket and the wall.

Preferably, the locking structure comprises a hook arranged on the wall and a connecting piece arranged on the support, wherein the connecting piece comprises a chain and a connecting structure arranged at the tail end of the chain.

Compared with the prior art, the utility model following beneficial effect has:

1. the bracket in the folding ladder stand of the utility model is provided with arc grooves at two sides of each group of pedals, the arc grooves are concentric with the first rotating shaft (namely the rotating center of the pedals), when the pedals are unfolded, the second rotating shaft swings downwards and is supported at the bottom of the arc grooves; like this, the bearing capacity that every group footboard received on the support in other words all can be undertaken by the arc wall that corresponds, for the mode of carrying out spacing support to all footboards through one set of stop gear (this sets up the mode and needs one set of stop gear to undertake the bearing capacity that all footboards received), the utility model discloses a folded form cat ladder's fastness is better. In addition, this kind of mode of setting up makes every group footboard all possess the stop gear who belongs to it, makes the utility model discloses a folded form cat ladder is under the prerequisite that increases stop gear's quantity, and the structure is not only simpler, and manufacturing cost also obviously reduces moreover.

2. The utility model discloses a folded form cat ladder can pack up the footboard under the condition that does not use for the footboard is located in the inboard space of support, then with the support upset and paste tight wall, and lock it on the wall through locking structure, like this can the greatly increased usable floor area in the room.

3. The utility model discloses a folded form cat ladder's simple structure, low in manufacturing cost is honest and clean, and the fastness is better, therefore has wide market space.

Drawings

Fig. 1 is a schematic view of the installation of the folding ladder (in use).

Fig. 2 is a schematic view of the installation of the folding ladder (when it is folded).

Fig. 3 is a schematic perspective view (expanded state) of the folding ladder of the present invention.

Fig. 4 is a schematic perspective view (in a folded state) of the folding ladder of the present invention.

Fig. 5 is a schematic perspective view of the folding ladder (with the support rods partially hidden) of the present invention.

Fig. 6 is a schematic structural view of the turnover mechanism.

Fig. 7 is a schematic view of the arc-shaped groove engaged with the first rotating shaft.

Fig. 8 is a schematic perspective view of the pedal.

Detailed Description

The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.

Example 1

Referring to fig. 1 to 8, the folding ladder of the present invention comprises a support 1, a plurality of pedals 2 disposed on the support 1, and a turnover mechanism for driving the plurality of pedals 2 to turn synchronously, wherein one end of the support 1 is hinged to a wall, and the other end is fixed to the wall through a locking structure; a plurality of groups of pedals 2 are sequentially arranged along the length direction of the bracket 1; two groups of rotating shafts are arranged on two sides of each group of pedals 2 along the length direction, wherein one group of rotating shafts is positioned on one side of the width direction of the pedals 2 and is a first rotating shaft 201, and the other group of rotating shafts is a second rotating shaft 202, wherein the first rotating shaft 201 is rotatably connected to the bracket 1; the bracket 1 is provided with an arc-shaped groove 101 at a position corresponding to the second rotating shaft 202, and the arc-shaped groove 101 is concentric with the first rotating shaft 201; the second rotating shaft 202 extends into the arc-shaped groove 101; the turnover mechanism comprises a plurality of groups of connecting rods 4, and each group of connecting rods 4 is used for connecting second rotating shafts 202 of two adjacent groups of pedals 2; when the pedal 2 is unfolded, the second rotating shaft 202 swings in the arc-shaped groove 101 along the extending direction of the arc-shaped groove 101 and is supported at the bottom of the arc-shaped groove 101; when the pedal 2 is folded, the second rotating shaft 202 swings in the arc-shaped groove 101 to the top of the arc-shaped groove 101 along the extending direction of the arc-shaped groove 101.

Referring to fig. 1 to 8, the bracket 1 includes support bars 103 located at two sides and connecting plates 102 for connecting the support bars 103 located at two sides, where the connecting plates 102 are two groups, the two groups of connecting plates 102 are located at the upper and lower sides of the support bars 103, and two sides of the connecting plates 102 are respectively mounted on the support bars 103 at two sides through bolt connection structures. By providing the above structure, the firmness of the stent 1 can be enhanced.

Referring to fig. 1 to 8, the support rod 103 is a hollow tube structure, which is advantageous for reducing weight and manufacturing cost.

Referring to fig. 1-8, the two sets of connecting rods 4 are located on two sides of the pedal 2 and inside the bracket 1. Through setting up two sets of connecting rods 4, can guarantee that the both sides atress of footboard 2 is even to make the rotation of footboard 2 more smooth.

Referring to fig. 1 to 8, the step plate 2 is a hollow structure, and the step plate 2 is provided with a reinforcing rib structure 203 at each of the front end, the middle end and the rear end in the width direction thereof. Through setting up above-mentioned structure, under the prerequisite of the intensity of guaranteeing footboard 2 and rigidity, be favorable to alleviateing the weight of footboard 2, reduce the utility model discloses a manufacturing cost of folded form cat ladder. Correspondingly, the connecting plate 102 may adopt the hollow structure.

Referring to fig. 1 to 8, the locking structure includes magnets provided on the bracket 1 and the wall. Through the magnetic force effect between the magnet, will the utility model discloses a portable folding stair are fixed on the wall.

Referring to fig. 1-8, the working principle of the folding ladder of the present invention is:

when the folding ladder stand needs to be used, only the locking structure needs to be loosened, so that one side, far away from the wall surface, of the support 1 is turned down, then one group of pedals 2 can be rotated to be in a horizontal state, and all the pedals 2 on the support 1 are synchronously turned over under the action of the connecting rod 4, so that the pedals 2 on the support 1 are unfolded; when needs pack up the utility model discloses a during folded form cat ladder, only need to rotate one of them a set of footboard 2 in the opposite direction, under the effect of connecting rod 4, all footboards 2 on the support 1 all can pack up in step, afterwards, will keep away from one side of wall in the support 1 to the wall upset is fixed through locking structure on the wall, and it is right to accomplish with this the utility model discloses a folded form cat ladder accomodate.

Example 2

The present embodiment is different from embodiment 1 in that: locking structure is including setting up couple and setting on the wall are in connecting piece on the support 1, wherein, the connecting piece includes the chain and sets up the link on the end of chain, through with link on the chain with couple on the wall is connected, thereby it is right to realize the utility model discloses a folding type cat ladder's is fixed.

Compared with embodiment 1, the locking structure in this embodiment can prevent the folding ladder stand from being unable to be stored on the wall due to the weakening of magnetic force.

The above is the preferred embodiment of the present invention, but the embodiment of the present invention is not limited by the above, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. A folding ladder stand is characterized by comprising a support, a plurality of groups of pedals arranged on the support and a turnover mechanism for driving the pedals to turn over synchronously, wherein one end of the support is hinged to a wall, and the other end of the support is fixed on the wall through a locking structure; the multiple groups of pedals are sequentially arranged along the length direction of the bracket; two groups of rotating shafts are arranged on two sides of each group of pedals along the length direction of the pedals, one group of rotating shafts is positioned on one side of the width direction of the pedals and is a first rotating shaft, and the other group of rotating shafts is a second rotating shaft, wherein the first rotating shaft is rotatably connected to the bracket; the bracket is provided with an arc-shaped groove at a position corresponding to the second rotating shaft, and the arc-shaped groove is concentric with the first rotating shaft; the second rotating shaft extends into the arc-shaped groove; the turnover mechanism comprises a plurality of groups of connecting rods, and each group of connecting rods is used for connecting second rotating shafts of two adjacent groups of pedals; when the pedal is unfolded, the second rotating shaft swings in the arc-shaped groove along the extending direction of the arc-shaped groove and is supported at the bottom of the arc-shaped groove; when the pedal is folded, the second rotating shaft swings to the top of the arc-shaped groove in the arc-shaped groove along the extending direction of the arc-shaped groove.

2. The folding ladder as claimed in claim 1, wherein the support frame comprises support bars at both sides and connecting plates for connecting the support bars at both sides, wherein the connecting plates are provided in two sets, the two sets of connecting plates are respectively provided at upper and lower sides of the support bars, and both sides of the connecting plates are respectively mounted on the support bars at both sides by means of bolt connection structures.

3. The folding ladder of claim 2, wherein the support bar is of a hollow tube structure.

4. The folding ladder of claim 1, wherein the links are in two sets, the two sets being located on either side of the step and both being located inside the support.

5. The folding ladder of claim 2, wherein the step and the connecting plate are both hollow.

6. The folding ladder of claim 5, wherein a stiffener structure is provided in both the tread and the web.

7. The folding ladder of claim 1, wherein the locking structure comprises magnets disposed on the bracket and the wall.

8. The folding ladder of claim 1, wherein the locking structure comprises a hook provided on the wall and a connecting member provided on the bracket, wherein the connecting member comprises a chain and a connecting mechanism provided on an end of the chain.