A concealed diagonal ladder

Abstract

The utility model relates to the technical field of inclined ladders, especially relates to a hidden inclined ladder, which comprises a vertical frame, the upper end of the vertical frame is slidably connected with a ladder section, the bottom end of the ladder section is rotatably connected with symmetrically arranged rollers, the upper end of the ladder section is rotatably connected with symmetrically arranged slide columns, the slide columns are slidably connected to the vertical frame, symmetrically arranged slide grooves are formed in the upper end of the vertical frame, the slide columns are slidably connected to the slide grooves, a fixing mechanism is arranged on the vertical frame and used in cooperation with the ladder section, and base one and base two are respectively arranged on the two sides of the ladder section, the fixing mechanism provides convenience for pulling and resetting, rotating and resetting of the inserted rod, thereby providing convenience for the clamping and separation of the special-shaped block and the clamping groove, further providing convenience for the insertion and separation of the inserted rod and the insertion hole and the locking and unlocking of the inserted rod, further providing convenience for the storage and expansion of the ladder section, and the utility model is convenient for single-person operation and has high practicability.

Description

Technical Field

[0001] This utility model relates to the field of inclined ladder technology, and in particular to a concealed inclined ladder. Background Technology

[0002] A concealed inclined ladder is a special climbing device that combines space optimization and functionality. Its core feature is that it reduces space occupation through folding, sliding or storage design, while meeting the climbing needs at specific angles.

[0003] Patent CN206917598U discloses a slanted step ladder, including side panels on both sides and multiple pedals installed between the side panels. The multiple pedals are evenly spaced and horizontally installed on the side panels. Each pedal includes mounting ends on both sides and a footrest portion located on one side of the front end of the side panel. The footrest portion is protruding, and the footrest portions of adjacent pedals are staggered left and right. This utility model, through the staggered arrangement of the footrest portions, achieves an ergonomic design, does not occupy too much space, and significantly improves comfort by alternating left and right steps when climbing stairs. Furthermore, it saves on pedal material, making the overall structure lighter.

[0004] However, the existing ladder mechanism is not convenient for storage, fixing, and unfolding, and the folding and unfolding of the guardrail also presents many inconveniences. Utility Model Content

[0005] The purpose of this utility model is to address the shortcomings of existing technologies by providing a concealed inclined ladder. Through a fixing mechanism and a limiting mechanism, the ladder section and guardrail can be conveniently stored, fixed, and unfolded for use, thus solving the problem of inconvenient operation.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a concealed inclined ladder, including a frame, a ladder part slidably inserted into the upper end of the frame, and symmetrically arranged rollers rotatably installed at the bottom end of the ladder part. Symmetrically distributed sliding columns are rotatably inserted into the upper end of the ladder part, and the sliding columns are slidably locked onto the frame. A symmetrically arranged sliding groove is opened through the upper end of the frame, and the sliding columns are slidably inserted into the sliding groove. A fixing mechanism for cooperating with the ladder part is provided on the frame, and a base one and a base two are fixed on both sides of the ladder part. A rotating rod is rotatably inserted into both base one and base two. A guardrail one is fixedly sleeved on the rotating rod near base one, and a guardrail two is fixedly sleeved on the rotating rod near base two. A limiting mechanism for cooperating with the rotating rod is provided at the end of the rotating rod.

[0007] The fixing mechanism includes inserts. Symmetrically arranged through holes are formed on the upright frame, and the inserts are fixedly inserted into these holes. Symmetrically arranged arc-shaped plates are integrally formed in the inner cavities of opposite ends of the inserts, and slots are formed on these arc-shaped plates. Insert rods are slidably inserted into the inserts, and one end of each insert rod is fixedly fitted with a shaped block. Sliding holes are formed on opposite ends of the inserts, and the insert rods are slidably inserted into these sliding holes. Matching countersunk grooves are formed on opposite ends of the insert rods, and these countersunk grooves are arranged in an array. The shaped blocks can slide and engage with adjacent arc-shaped plates. Between the plates, and the ends of the irregular blocks can be slidably inserted into the slots. The ladder part has symmetrically arranged insertion holes, and the insertion rod can be slidably inserted into the insertion holes. The opposite ends of the insertion cylinders are rotatably connected to the rotating rings, and the insertion rods slide through the rotating rings. The outer wall of the rotating rings is fixedly connected to the retaining rings, and the retaining rings are rotatably inserted into the inner wall of the insertion cylinders. The inner walls of the opposite ends of the insertion cylinders are all provided with ring grooves, and the retaining rings are rotatably locked in the ring grooves. The opposite sides of the rotating rings are all fixedly installed with springs, and the ends of the springs are fixedly connected to the irregular blocks.

[0008] The limiting mechanism includes a limiting plate, which is slidably sleeved on the end of the rotating rod. A second spring is fixedly installed on one side of the limiting plate. The ends of the two second springs are fixedly connected to guardrail one and guardrail two, respectively. A limiting post is fixedly installed on the lower end of the other side of the limiting plate. Two limiting holes are opened at the lower ends of base one and base two, and the limiting post can be slidably inserted into the limiting hole.

[0009] The beneficial effects of this utility model are as follows:

[0010] (1) The present invention provides convenience for pulling and resetting the plug rod and rotating and resetting by setting and using the fixing mechanism, thereby providing convenience for the snapping and separation of the irregular block and the slot, and further providing convenience for the insertion and separation of the plug rod and the plug hole, as well as the locking and unlocking of the plug rod, and further providing convenience for the storage, fixing and unfolding of the ladder part, and is easy for single-person operation, with high practicality.

[0011] (2) The present invention provides convenience for the insertion and separation of the limiting post and the limiting hole through the setting and use of the limiting mechanism, thereby providing convenience for the folding, storage and unfolding of guardrail one and guardrail two, making it convenient for users to operate and use.

[0012] In summary, this utility model has the advantages of convenient operation in terms of storing and fixing the ladder section and unfolding it, as well as in the convenient operation of folding and unfolding the guardrails. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0014] Figure 2 This utility model Figure 1 Enlarged view of point A in the middle;

[0015] Figure 3 This is a schematic diagram of the installation of the limiting mechanism in this utility model;

[0016] Figure 4 This utility model Figure 3 Enlarged view of point B in the middle;

[0017] Figure 5 This utility model Figure 3 Enlarged diagram of point C in the middle.

[0018] Figure Labels

[0019] 1. Upright frame; 11. Perforation; 12. Slide groove; 2. Ladder section; 21. Roller; 22. Insertion hole; 23. Sliding column; 3. Fixing mechanism; 31. Insertion cylinder; 32. Arc plate; 33. Slot; 34. Insertion rod; 35. Irregular block; 36. Rotary ring; 37. Spring one; 38. Sinking groove; 39. Sliding hole; 310. Snap ring; 311. Ring groove; 4. Base one; 5. Base two; 6. Rotating rod; 7. Guardrail one; 8. Guardrail two; 9. Limiting mechanism; 91. Limiting plate; 92. Spring two; 93. Limiting post; 10. Limiting hole. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0022] Example 1

[0023] like Figure 1-4 As shown, this embodiment provides a concealed inclined ladder, including a frame 1. A ladder section 2 is slidably inserted into the upper end of the frame 1, and symmetrically arranged rollers 21 are rotatably installed at the bottom end of the ladder section 2. Symmetrically distributed sliding columns 23 are rotatably inserted into the upper end of the ladder section 2, and the sliding columns 23 are slidably engaged on the frame 1. A symmetrically arranged sliding groove 12 is opened through the upper end of the frame 1, and the sliding columns 23 are slidably inserted into the sliding groove 12. The cooperation between the sliding columns 23 and the sliding groove 12 facilitates the inclined pulling and repositioning of the ladder section 2. The upright frame 1 is equipped with a fixing mechanism 3 that works in conjunction with the climbing ladder 2. The two sides of the climbing ladder 2 are respectively fixed with a base 1 4 and a base 2 5. A rotating rod 6 is rotatably inserted on both the base 1 4 and the base 2 5. The base 1 4 and the base 2 5 have similar structures, but there is a certain height difference, which can ensure the normal folding and storage of the climbing ladder. A guardrail 1 7 is fixedly sleeved on the rotating rod 6 near the base 1 4, and a guardrail 2 8 is fixedly sleeved on the rotating rod 6 near the base 2 5. A limiting mechanism 9 is provided at the end of the rotating rod 6 for use.

[0024] The fixing mechanism 3 includes a plug cylinder 31. A symmetrically arranged through hole 11 is provided through the support frame 1, and the plug cylinder 31 is fixedly inserted into the through hole 11. The inner diameter of the through hole 11 is the same as the outer diameter of the plug cylinder 31, thus ensuring stable insertion of the plug cylinder 31. Symmetrically arranged arc-shaped plates 32 are integrally formed in the inner cavities of opposite ends of the plug cylinder 31, and slots 33 are provided on the arc-shaped plates 32. A plug rod 34 is slidably inserted into the plug cylinder 31, and one end of the plug rod 34 is fixedly sleeved. There is an irregularly shaped block 35, which is an annular structure with protrusions on both sides. Sliding holes 39 are provided through the opposite ends of the insert 31, and the insert rod 34 is slidably inserted into the sliding holes 39. The sliding holes 39 limit and guide the movement of the insert rod 34. The opposite ends of the insert rod 34 are provided with matching countersunk grooves 38, which are arranged in an array. The countersunk grooves 38 increase friction and facilitate operation. The 35 can be slidably locked between adjacent arc-shaped plates 32, and the end of the irregular block 35 can be slidably inserted into the slot 33. The ladder part 2 has symmetrically arranged insertion holes 22, and the insertion rod 34 can be slidably inserted into the insertion hole 22. The outer diameter of the end of the insertion rod 34 is synchronized with the inner diameter of the insertion hole 22, thereby ensuring the stability of the insertion of the insertion rod 34 and the insertion hole. The opposite ends of the insertion cylinder 31 are rotatably inserted with a rotating ring 36, and the insertion rod 34 slides through the rotating ring 36. 6. A retaining ring 310 is fixedly connected to the outer wall of the rotating ring 36, and the retaining ring 310 is rotatably inserted into the inner wall of the insert 31. The inner walls of the opposite ends of the insert 31 are provided with annular grooves 311, and the retaining ring 310 is rotatably locked in the annular grooves 311. The cooperation between the retaining ring 310 and the annular grooves 311 provides a guarantee for the stable rotation of the rotating ring 36. Springs 37 are fixedly installed on the opposite sides of the rotating ring 36, and the ends of the springs 37 are fixedly connected to the irregular block 35.

[0025] Example 2

[0026] like Figure 5 As shown, components that are the same as or corresponding to those in Embodiment 1 are referred to using the same reference numerals as in Embodiment 1. For simplicity, only the differences from Embodiment 1 are described below. The difference between Embodiment 2 and Embodiment 1 is as follows:

[0027] The limiting mechanism 9 includes a limiting plate 91, which is slidably sleeved on the end of the rotating rod 6. A second spring 92 is fixedly installed on one side of the limiting plate 91. The ends of the two second springs 92 are fixedly connected to the guardrail 7 and the guardrail 8, respectively. A limiting post 93 is fixedly installed on the lower end of the other side of the limiting plate 91. Two limiting holes 10 are opened at the lower ends of the base 4 and the base 5. The limiting post 93 can be slidably inserted into the limiting hole 10. The outer diameter of the limiting post 93 is the same as the inner diameter of the limiting hole 10, thereby ensuring the stable insertion of the limiting post 93 into the limiting hole 10. The vertical lines connecting the axes of the two limiting holes 10 and the axis of the rotating rod 6 are perpendicularly distributed.

[0028] Work steps

[0029] Step 1: Fix the stand 1 to the ground at a suitable position using bolts. Then, hold the two insert rods 34 in turn and move them away from the stand 1. This will cause the corresponding irregular block 35 to slide and squeeze the corresponding spring 37. When the irregular block 35 is completely separated from the corresponding two arc plates 32, the insert rod 34 will be completely separated from the corresponding insertion hole 22. At this time, the corresponding insert rod 34 needs to be rotated 90 degrees, which will cause the corresponding irregular block 35 to rotate 90 degrees. This will further cause the corresponding spring 37 and the rotating ring 36 to rotate 90 degrees. Then, gradually remove the tension on the corresponding insert rod 34 and cooperate with the elastic force of the corresponding spring 37 to make the two protruding ends of the irregular block 35 fit into the corresponding slot 33.

[0030] Step 2: After both rods 34 are adjusted, they can be used in conjunction with the two rollers 21 to push the bottom of the ladder part 2 away from the upright 1, so that the top of the ladder part 2 can slide down vertically along the upright 1 until the ladder part 2 is pulled diagonally.

[0031] Step 3: Push the two limiting plates 91 close to the base 2 5 and the base 1 4 in sequence, so as to squeeze the corresponding spring 2 92 and completely separate the corresponding limiting post 93 from the corresponding limiting hole 10. Then rotate the guardrail 2 8 and the guardrail 1 7 by 90 degrees in sequence and release the two limiting plates 91 in sequence. At this time, the spring 2 92 will drive the corresponding limiting post 93 to reset and insert it into the other corresponding limiting hole 10.

[0032] Step 4: Afterwards, you can use the unfolded hidden inclined ladder for climbing operations. After the hidden inclined ladder is used up, reverse the above steps to reposition and fix the guardrail 1 7, guardrail 2 8 and ladder part 2 in sequence.

[0033] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A concealed diagonal ladder comprising a stand, characterized in that The upper end of the upright frame is slidably connected to a ladder, and the bottom end of the ladder is rotatably mounted with symmetrically arranged rollers. The upright frame is provided with a fixing mechanism that works in conjunction with the ladder, and base one and base two are fixed on both sides of the ladder respectively. Rotating rods are rotatably connected to both base one and base two. Guardrail one is fixedly sleeved on the rotating rod near base one, and guardrail two is fixedly sleeved on the rotating rod near base two. The end of the rotating rod is provided with a limiting mechanism for use.

2. A concealed diagonal ladder according to claim 1, characterized in that The fixing mechanism includes inserts. The upright has symmetrically arranged through holes, and the inserts are fixedly inserted into the through holes. The inner cavities of opposite ends of the inserts are integrally formed with symmetrically arranged arc-shaped plates, and the arc-shaped plates have slots. Insert rods are slidably inserted into the inserts, and one end of the insert rod is fixedly sleeved with a shaped block. The shaped block can be slidably locked between adjacent arc-shaped plates, and the end of the shaped block can be slidably inserted into the slot. The ladder has symmetrically arranged through holes, and the insert rods can be slidably inserted into the holes. Rotary rings are rotatably inserted into opposite ends of the inserts, and the insert rods slide through the rotating rings. Springs are fixedly installed on opposite sides of the rotating rings, and the ends of the springs are fixedly connected to the shaped blocks.

3. A concealed diagonal ladder according to claim 1, wherein, The limiting mechanism includes a limiting plate, which is slidably sleeved on the end of the rotating rod. A second spring is fixedly installed on one side of the limiting plate, and the ends of the two second springs are fixedly connected to guardrail one and guardrail two, respectively. A limiting post is fixedly installed on the lower end of the other side of the limiting plate. Two limiting holes are opened at the lower ends of base one and base two, and the limiting post can be slidably inserted into the limiting hole.

4. A concealed inclined ladder according to claim 1, characterized in that, The upper end of the ladder is rotatably connected to symmetrically distributed sliding columns, which are slidably locked onto the upright frame.

5. A concealed inclined ladder according to claim 4, characterized in that, The upper end of the support frame is provided with symmetrically arranged sliding grooves, and the sliding column is slidably inserted into the sliding groove.

6. A concealed inclined ladder according to claim 2, characterized in that, The opposite ends of the insertion rods are provided with matching grooves, and the grooves are distributed in an array.

7. A concealed inclined ladder according to claim 2, characterized in that, The opposite ends of the insert are each provided with a sliding hole, and the insert rod is slidably inserted into the sliding hole.

8. A concealed inclined ladder according to claim 2, characterized in that, A retaining ring is fixedly connected to the outer wall of the rotating ring, and the retaining ring is rotatably inserted into the inner wall of the insert.

9. A concealed inclined ladder according to claim 8, characterized in that, The inner walls of the opposite ends of the inserts are provided with annular grooves, and the retaining rings are rotated and locked in the annular grooves.

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