Learning tower step ladder

Abstract

The utility model discloses a learning tower step ladder, and relates to the technical field of baby furniture. Comprising a first foot stool and a second foot stool which are connected in a hinged mode. A bearing platform is further included, one end of the bearing platform is hinged to the second foot stool, a first lap joint block is arranged on the first foot stool, and the first lap joint block is correspondingly used for supporting the bearing platform; an inserting strip is further arranged on the upper end face of the first lap joint block, an inserting groove is correspondingly formed in the lower end face of the bearing platform, and the inserting strip is inserted into the inserting groove to lock the opening angle of the first foot stool and the second foot stool. According to the learning tower step ladder disclosed by the utility model, the first foot stool and the second foot stool can be mutually rotated and drawn close so as to be conveniently folded and stored; and after being unfolded, the first foot stool and the second foot stool can be locked through mutual limiting between the bearing platform and the first lap joint block, so that a stable unfolding structure is formed, and the use safety of the folding foot stool is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of baby furniture, in particular to a learning tower step ladder. Background Art

[0002] The learning tower is a protective device specially designed for children. It can be used to teach children to be independent, learn new things (such as helping parents with daily work in the kitchen, or brushing their teeth and washing their hands and faces by themselves), and actively participate in various activities with their parents to improve the fun of life.

[0003] However, in order to prevent the learning tower from becoming loose during use and causing children to fall or drop the learning tower, existing learning towers usually do not adopt a similar structural design of a folding herringbone ladder, but instead adopt a fixed shape structural design; however, this fixed shape learning tower will occupy more indoor space when not in use, making it inconvenient to store and affecting the user experience. Utility Model Content

[0004] The utility model provides a learning tower step ladder, in which a first tripod and a second tripod can be rotated and brought close to each other for easy folding and storage; and after the first tripod and the second tripod are unfolded, they can be locked by limiting each other between a supporting platform and a first overlapping block to form a stable unfolding structure, thereby ensuring its safety in use and solving the above-mentioned technical problems.

[0005] The utility model solves the above-mentioned problem by providing a learning tower step ladder, comprising a first tripod and a second tripod, wherein the first tripod and the second tripod are hingedly connected to each other; further comprising a supporting platform, wherein one end of the supporting platform is hingedly connected to the second tripod, and a first overlapping block is provided on the first tripod, and the first overlapping block is used to support the supporting platform; an insertion strip is also provided on the upper end surface of the first overlapping block, and a slot is correspondingly provided on the lower end surface of the supporting platform, and the insertion strip is inserted into the slot to lock the opening angle of the first tripod and the second tripod.

[0006] Furthermore, it also includes a protective ring arranged at the upper end of the first tripod.

[0007] Furthermore, the protective ring is hingedly connected to the first tripod, and the upper end of the first tripod is also provided with a second limiting flange for supporting the protective ring rotated to a horizontal position.

[0008] Furthermore, it also includes a third limiting component arranged at the upper end of the first tripod and used to limit the protective ring from rotating upward after rotating to the horizontal position.

[0009] Furthermore, the third limit assembly includes a limit hole opened on the side of the protective ring, a limit pin movably installed on the upper end of the first tripod and corresponding to the limit pin for inserting into the limit hole, a second button integrally connected to the limit pin and used to drive the limit pin to move axially, and a return spring abutting between the limit pin and the first tripod, and the second button and the first tripod.

[0010] Furthermore, the first tripod is provided with a plurality of mounting screw holes along the height direction, and the first overlapping block is installed at different height positions on the first tripod by means of threaded installation; the second tripod is also provided with a plurality of hinged holes along the height direction, and the supporting platform is installed at different height positions on the second tripod by means of hinged installation; the hinged installation height position of the supporting platform is flush with the installation height position of the first overlapping block.

[0011] Furthermore, a plurality of slots are provided, and the inserting strips are inserted into different slots to correspond to the supporting platforms at different heights to lock the first tripod and the second tripod.

[0012] Furthermore, a clamping block whose width gradually increases downward is provided on the side of the insertion strip, and a limiting groove adapted to the clamping block is provided on the corresponding side wall of the slot; the insertion strip is limited in the slot by inserting the clamping block into the limiting groove, thereby locking and limiting the rotation of the supporting platform.

[0013] Furthermore, a cavity is provided in the first overlapping block, the insert strip is movably inserted in the cavity, a first button is movably provided on the first overlapping block, the first button abuts against the insert strip, and a reset spring is provided between the insert strip and the cavity wall of the cavity; the first button is used to push the insert strip to move laterally so that the corresponding side of the card-connecting block disengages from the limit groove, thereby unlocking the supporting platform, and the reset spring is used to push the insert strip to return laterally.

[0014] Furthermore, at least one pedal is provided on the first tripod, and the pedal is located below the supporting platform.

[0015] Beneficial effects of the utility model:

[0016] The utility model provides a learning tower step ladder, in which the first tripod and the second tripod are relatively rotated and unfolded to support the ground, and the supporting platform and the first overlapping block can be locked with each other through a slot insert structure, so that the supporting platform, the first tripod and the second tripod cooperate with each other to form a stable triangular structure, so as to ensure that the learning tower step ladder of the utility model always maintains a stable unfolded state during use, and prevents the learning tower step ladder from moving during use, so as to ensure its safety in use; in addition, when the learning tower step ladder of the utility model is not in use, the user can unlock the supporting platform and the first overlapping block so that the first tripod and the second tripod can be rotated close to each other and then folded for idle storage. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings, which are incorporated into the specification and constitute a part of the specification, illustrate embodiments of the utility model and are used together with the description to explain the principles of the utility model. In these drawings, similar reference numerals are used to represent similar elements. The drawings described below are some embodiments of the utility model, rather than all embodiments. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is the overall structural diagram of the learning tower step ladder of this embodiment;

[0019] Figure 2 is a structural cross-sectional view of the third limiting component of this embodiment;

[0020] Figure 3 is a structural diagram of the first overlapping block of this embodiment;

[0021] Figure 4 is a structural diagram of the supporting platform of this embodiment;

[0022] 1-first tripod, 2-second tripod, 3-supporting platform, 4-first overlapping block, 5-insertion strip, 6-slot, 7-protective ring, 8-second limiting flange, 9-limiting socket, 10-limiting latch, 11-second button, 12-clamping block, 13-limiting slot, 14-first button, 15-pedal. DETAILED DESCRIPTION

[0023] The directional terms such as up, down, left, right, front, back, front, back, top, bottom, etc. mentioned or may be mentioned in this specification are defined relative to the structures shown in the drawings. The words "inside" and "outside" refer to the direction toward or away from the geometric center of a specific component, respectively. They are relative concepts, and therefore may change accordingly according to different locations and different usage conditions. Therefore, these or other directional terms should not be interpreted as restrictive terms.

[0024] See also Figure 1The present invention provides a learning tower ladder in a specific embodiment, comprising a first tripod 1 and a second tripod 2, wherein the upper end of the second tripod 2 is hingedly connected to the first hinged upper part, and the second tripod 2 can be rotated around the hinged part to move away from or close to the first tripod 1; it also includes a supporting platform 3, the supporting platform 3 is used for children to stand, the right side end of the supporting platform 3 is hingedly connected to the second tripod 2, the supporting platform 3 can also be rotated around the hinged part to move away from or close to the second tripod 2, and the supporting platform 3 can also be rotated to be hung on the first tripod 1, and the first tripod 1 is also provided with a first lap block 4 for supporting the supporting platform 3; the upper end surface of the first lap block 4 is also vertically provided with an insertion strip 5, and the lower end surface of the supporting platform 3 is correspondingly provided with a slot 6, when the supporting platform 3 is overlapped on the first lap block 4, the insertion strip 5 is also correspondingly inserted into the slot 6 to limit the supporting platform 3, to prevent the first tripod 1 and the second tripod 2 from rotating relative to each other again, affecting the normal use of the learning tower ladder of this embodiment.

[0025] In this embodiment, the user can unfold the first tripod 1 and the second tripod 2, and rotate the supporting platform 3 to hang on the first lap block 4, and then insert the insertion strip 5 at the upper end of the first lap block 4 into the slot 6. At this time, the insertion strip 5 and the slot 6 cooperate and lock with each other, and the supporting platform 3 can be stably hung on the first lap block 4 and cannot move at will. The first tripod 1 and the second tripod 2 can also maintain a fixed angle and do not change, thereby making the learning tower ladder of this embodiment in a structure that can be used safely. When the learning tower ladder of this embodiment is not in use, the user can lift the supporting platform 3 upwards, so that the insertion strip 5 is pulled out of the slot 6, and then unlock the learning tower ladder. The user can then close the first tripod 1 and the second tripod 2, so that the space volume of the learning tower ladder of this embodiment becomes smaller for easy storage.

[0026] Furthermore, in order to prevent children from falling off the supporting platform 3 when standing, a protective ring 7 is provided at the upper end of the first leg 1. The protective ring 7 is used to form a circle above the supporting platform 3 for children to lean on or hold on to, so as to prevent children from falling. Moreover, in order to facilitate storage, the protective ring 7 is also connected to the first leg 1 in a hinged and rotatable manner; when the entire learning tower step ladder is in a folded storage state, the protective ring 7 is correspondingly rotated to a position attached to the first leg 1, so as to further reduce the space volume of the learning tower step ladder in the folded storage state.

[0027] In addition, when the learning tower ladder is in the unfolded use state, the protective ring 7 corresponds to the horizontal position above the rotating support platform 3, and the upper end of the first tripod 1 is also integrally provided with a laterally protruding second limiting flange 8 for supporting and limiting the protective ring 7 from continuing to rotate downward; at the same time, the upper end of the first tripod 1 is also provided with a third limiting component for limiting the protective ring 7 from rotating upward after rotating to the horizontal position, so that when the protective ring 7 rotates to the horizontal position, it can maintain a stable horizontal posture, become a stable and safe leaning structure, and provide convenience for the storage and folding of the learning tower ladder of this embodiment.

[0028] In this embodiment, the third limiting assembly includes a limiting plug hole 9 provided on the side of the protective ring 7, a limiting pin 10 movably mounted on the upper end of the first tripod 1 and correspondingly inserted into the limiting plug hole 9, a second button 11 integrally connected with the limiting plug 10 and used to drive the limiting plug 10 to move axially, and a return spring abutting between the limiting plug 10 and the first tripod 1, and between the second button 11 and the first tripod 1. When the protective ring 7 rotates to a horizontal position and is supported and limited by the second limiting flange 8, the limiting pin 10 is just aligned with the limiting plug hole 9 on the protective ring 7, and under the push of the elastic force of the return spring, the limiting pin 10 is also correspondingly inserted into the limiting plug hole 9 to lock the protective ring 7, so as to prevent the protective ring 7 from shaking during use and ensure its protection safety; at this time, the second button 11 is also pushed to protrude from the first tripod 1. When the learning tower step ladder of this embodiment is to be folded, the user can press the second button 11 to move the second button 11 back into the first leg 1 and drive the limit latch 10 to withdraw from the limit socket 9, thereby unlocking the protective ring 7 for easy storage.

[0029] Furthermore, in the present embodiment, a plurality of mounting screw holes are provided on the first tripod 1 along the height direction, and the first lap block 4 can be installed at different height positions on the first tripod 1 by corresponding threaded installation. A plurality of hinge holes are also provided on the second tripod 2 along the height direction, and the supporting platform 3 is installed at different height positions of the second tripod 2 by hinged installation, and the hinged installation height position of the supporting platform 3 is always kept flush with the installation height position of the first lap block 4, so that the supporting platform 3 can be installed at different height positions and ensure that it is hung on the first lap block 4. , to ensure its normal use; moreover, when the first tripod 1 and the second tripod 2 are opened to a predetermined angle, the horizontal distances from the first overlapping blocks 4 of different heights to the second tripod 2 are not consistent. In order to ensure that the inserting strip 5 of the first overlapping block 4 can always be inserted into the slot 6 to laterally lock the supporting platform 3 and lock the first tripod 1 and the second tripod 2, a plurality of slots 6 are provided on the lower end surface of the supporting platform 3. The inserting strip 5 of the first overlapping block 4 can be inserted into different slots 6 at different heights to laterally lock the supporting platform 3 and lock the first tripod 1 and the second tripod 2.

[0030] Furthermore, in order to prevent the supporting platform 3 from moving upward during use and causing safety hazards, a clamping block 12 with a width that gradually increases downward is provided on the side of the insert strip 5, and a limiting groove 13 for adapting to the clamping block 12 is provided on the corresponding side wall of the slot 6; when the insert strip 5 is rolled into the corresponding slot 6, the clamping block 12 will also be inserted into the limiting groove 13 accordingly. At this time, the lower end surface of the clamping block 12 will correspond to the limiting groove 13 to press against each other to limit the supporting platform 3 from moving upward after rotating to the horizontal position, so as to ensure its safety in use.

[0031] Moreover, a cavity is also provided in the first lap block 4, and the inserting strip 5 is movably inserted in the cavity. A circular opening connected to the cavity is also provided at the front lower part of the first lap block 4, and a first button 14 is movably provided at the circular opening. The first button 14 is integrally formed with the inserting strip 5, and a return spring is also provided between the back side of the inserting strip 5 relative to the first button 14 and the cavity wall of the cavity. Correspondingly, when the learning tower step ladder of this embodiment is unfolded and used, under the elastic thrust of the return spring, the first button 14 protrudes outside the circular opening and also protrudes from the side surface of the first lap block 4; and the clamping block 12 is also laterally inserted into the limiting groove 13; and when the learning tower step ladder is to be folded, the user can press the first button 14 to move the inserting strip 5 laterally, and make the clamping block 12 correspondingly exit the limiting groove 13 laterally, so as to facilitate the extraction of the inserting strip 5 and unlock the supporting platform 3, so as to facilitate storage and folding.

[0032] It should be noted that: in this embodiment, in order to reduce the weight of the supporting platform 3, a plurality of grid grooves are provided at the bottom of the supporting platform 3. In this case, the limiting grooves 13 for limiting the clamping blocks 12 are also correspondingly improved into limiting holes.

[0033] In addition, to facilitate children to walk onto the supporting platform 3, two pedals 15 are equidistantly provided on the first leg frame 1, and both pedals 15 are located below the supporting platform 3. In other embodiments, the specific number of pedals 15 can be customized according to the actual needs of the user, and is not limited to two, and can be one or three or more.

[0034] Anything not mentioned above is applicable to the prior art.

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model is described in detail with reference to the above embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the above embodiments, or replace some of the technical features therein by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A learning tower step ladder, characterized in that: The invention comprises a first tripod (1) and a second tripod (2), wherein the first tripod (1) and the second tripod (2) are hingedly connected to each other; and further comprises a supporting platform (3), wherein one end of the supporting platform (3) is hingedly connected to the second tripod (2); a first overlapping block (4) is provided on the first tripod (1), and the first overlapping block (4) is used to support the supporting platform (3); an inserting strip (5) is further provided on the upper end surface of the first overlapping block (4), and a slot (6) is correspondingly provided on the lower end surface of the supporting platform (3); the inserting strip (5) is inserted into the slot (6) to lock the opening angle of the first tripod (1) and the second tripod (2).

2. The learning tower ladder as claimed in claim 1, characterized in that: It also includes a protective ring (7) arranged at the upper end of the first tripod (1).

3. The learning tower ladder as claimed in claim 2, characterized in that: The protective ring (7) is hingedly connected to the first tripod (1), and the upper end of the first tripod (1) is also provided with a second limiting flange (8) for supporting the protective ring (7) rotated to a horizontal position.

4. The learning tower ladder as claimed in claim 1, characterized in that: It also includes a third limiting component arranged at the upper end of the first tripod (1) and used to limit the protective ring (7) from rotating upward after rotating to a horizontal position.

5. The learning tower ladder as claimed in claim 4, characterized in that: The third limiting assembly comprises a limiting socket (9) provided on the side of the protective ring (7), a limiting pin (10) movably mounted on the upper end of the first tripod (1) and correspondingly inserted into the limiting socket (9), a second button (11) integrally connected to the limiting pin (10) and used to drive the limiting pin (10) to move axially, and a return spring abutting between the limiting pin (10) and the first tripod (1), and between the second button (11) and the first tripod (1).

6. The learning tower ladder as claimed in claim 1, characterized in that: The first tripod (1) is provided with a plurality of mounting screw holes in the height direction, and the first overlap block (4) is installed at different height positions on the first tripod (1) by means of threaded installation; the second tripod (2) is also provided with a plurality of hinge holes in the height direction, and the supporting platform (3) is installed at different height positions on the second tripod (2) by means of hinged installation; the hinged installation height position of the supporting platform (3) is flush with the installation height position of the first overlap block (4).

7. The learning tower ladder as claimed in claim 6, characterized in that: A plurality of slots (6) are provided, and the inserting strips (5) are inserted into different slots (6) to match the supporting platforms (3) at different heights, thereby locking the first tripod (1) and the second tripod (2).

8. The learning tower ladder as claimed in claim 1, characterized in that: A clamping block (12) whose width gradually increases downward is also provided on the side of the inserting strip (5), and a limiting groove (13) adapted to match the clamping block (12) is provided on the corresponding side wall of the slot (6); the inserting strip (5) is limited in position in the slot (6) by inserting the clamping block (12) into the limiting groove (13), thereby locking and limiting the rotation of the supporting platform (3).

9. The learning tower ladder as claimed in claim 8, characterized in that: A cavity is provided in the first lap block (4), the inserting strip (5) is movably inserted in the cavity, a first button (14) is movably provided on the first lap block (4), the first button (14) abuts against the inserting strip (5), and a return spring is provided between the inserting strip (5) and the cavity wall of the cavity; the first button (14) is used to push the inserting strip (5) to move laterally, so that the clamping block (12) correspondingly disengages from the limiting groove (13) laterally, thereby unlocking the supporting platform (3), and the return spring is used to push the inserting strip (5) to return laterally.

10. The learning tower ladder as claimed in claim 1, characterized in that: At least one pedal (15) is also provided on the first footrest (1), and the pedal (15) is located below the supporting platform (3).

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