Child hand washing ladder
Patent Information
- Application Number
- CN202522068663.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-25
- Publication Date
- 2026-09-29
- Estimated Expiration
- 2035-09-25
AI Technical Summary
[0003]上述登高椅或其他类似产品的最终目的都是让儿童能够完全自主地进行洗手、洗脸、刷牙等动作,然而,上述登高椅缺少保护措施,虽然高度不高仍有跌落的风险,若因此受伤还会影响儿童学习养成正确生活习惯的意愿
[0014]本实用新型提供的洗手梯通过上述结构能够提供良好防护。
Smart Images

Figure CN224813748U_ABST
Abstract
Description
Technical Field
[0001] This utility model mainly relates to a children's handwashing ladder, and more particularly to a children's handwashing ladder with a protective device. Background Technology
[0002] Please refer to the "Baby Climbing Chair" patent application No. TWM515331 from Taiwan, China. It is a baby climbing chair, which includes: corresponding first wall and second wall, and is provided with at least one connecting rod for corresponding connection; it is provided with a high bearing part at the high end and a low bearing part at the low end, and the high bearing part and the low bearing part should have a front-to-back position difference; a first bearing body, which can be fixed to the aforementioned high bearing parts of the first wall and the second wall; and a second bearing body, which can be fixed to the aforementioned high bearing parts of the first wall and the second wall.
[0003] The ultimate goal of the aforementioned climbing chairs or other similar products is to enable children to perform actions such as washing their hands, face, and brushing their teeth completely independently. However, these climbing chairs lack protective measures, and although they are not very high, there is still a risk of falling. If injured as a result, it will affect the child's willingness to learn and develop correct living habits. Utility Model Content
[0004] The main purpose of this utility model is to provide a children's handwashing ladder.
[0005] This utility model provides a children's handwashing ladder, comprising a main body, a guardrail, and a locking mechanism. The main body includes two first steps and two second steps, each second step pivotally mounted on the first steps around the same pivot. Each first step has a through hole along a direction parallel to the pivot. The guardrail includes a first pivot, a second pivot, and a stop bar. The first and second pivots are pivotally mounted on the first steps around the pivot. The two ends of the stop bar are connected to the ends of the first pivot opposite to the first steps and the second pivot opposite to the first steps, respectively. A first groove and a first locking groove are recessed on the side of the first pivot adjacent to the first step. The first groove is arc-shaped around the pivot, and the first locking groove is connected to one end of the first groove. The depth of the first slot is greater than the depth of the first slide groove. The locking mechanism includes a first collar, a first fastener, and a first locking pin. The outer periphery of the first collar is provided with a first flange. The first collar is inserted through the through hole. The first flange abuts against the outer periphery of one side of the first step. The first fastener is screwed to the first collar and abuts against the side of the first step opposite to the first flange. The first locking pin is movable between a first unlock position and a first release position and is inserted into the first collar. When the first lock pin is in the first unlock position, it is inserted into the first slide groove, allowing the guardrail to rotate relative to the body. When the first lock pin is in the first release position, it is inserted into the first slot, preventing the guardrail from rotating relative to the body. The handwashing ladder can provide good protection through the above structure.
[0006] A first barb in the shape of a cone is provided on the side of the first flange that contacts the first step. The diameter of the first barb near the end of the first step is larger than the diameter of the end of the first barb away from the first step.
[0007] The first locking pin has a first abutment portion protruding radially at one end adjacent to the first pivot rod. The first abutment portion is disposed in the first sliding groove or the first slot. The end of the first locking pin opposite to the first abutment portion protrudes from the side of the first step opposite to the first pivot rod. The locking mechanism includes a first elastic member, which is sleeved on the first locking pin. One end of the first elastic member abuts against the first collar and the other end abuts against the first abutment portion.
[0008] The second pivot rod has a second groove and a second slot recessed on one side adjacent to the first step. The second groove is arc-shaped with the pivot shaft as the center. The second slot is connected to one end of the second groove, and the depth of the second slot is greater than the depth of the second groove. The locking mechanism includes a second collar, a second fastener, and a second locking pin. The outer periphery of the second collar has a second flange. The first collar and the second collar are respectively inserted through the holes of the two first steps. The second flange abuts against the outer periphery of one side of the first step. The second fastener is screwed to the second collar and abuts against the side of the first step opposite to the second flange. The second locking pin is movably inserted into the second collar between a second unlock position and a second release position. When the second locking pin is in the second unlock position, it is inserted into the second groove. When the first locking pin is in the first unlock position and the second locking pin is in the second release position... The guardrail can only rotate relative to the main body when it is in the second unlock position. When the second lock pin is in the second release position, the second lock pin is inserted into the second slot. When the first lock pin is in the first release position or the second lock pin is in the second release position, the guardrail cannot rotate relative to the main body. A second barb in the shape of a cone is provided on the side of the second flange that contacts the first step. The diameter of the second barb near the first step is larger than the diameter of the second barb away from the first step. A second abutment is provided radially at the end of the second lock pin near the second pivot. The second abutment is provided in the second slide groove or the second slot. The end of the second lock pin opposite to the second abutment protrudes from the side of the first step opposite to the second pivot. The locking mechanism includes a second elastic member, which is sleeved on the second lock pin. One end of the second elastic member abuts against the second collar and the other end abuts against the second abutment.
[0009] Both the first pivot and the second pivot are disposed between the two first trapezoidal legs. One of the two second trapezoidal legs is disposed between the first trapezoidal leg and the first pivot, and the other is disposed between the first trapezoidal leg and the second pivot. Each of the two second trapezoidal legs is provided with a limiting groove through it. The limiting groove is arc-shaped with the pivot as the center. The first flange and the second flange are respectively disposed in the limiting groove of each of the two second trapezoidal legs. The two second trapezoidal legs can only rotate relative to the two first trapezoidal legs within the angle limited by the limiting groove. The first locking pin and the second locking pin pass through the two limiting grooves respectively.
[0010] The main body includes a movable pedal and a support rod. The movable pedal is pivotally mounted on the two second ladder legs and positioned between the two second ladder legs. The two ends of the support rod are respectively fixed to the two first ladder legs. When the movable pedal pivots, it can selectively straddle the two first ladder legs in the horizontal direction and abut against the upper edge of the support rod or detach from the support rod.
[0011] The main body includes a fixed pedal, which is arranged horizontally and fixed at both ends to the two first ladder legs. When the movable pedal is placed between the two first ladder legs, the movable pedal is positioned above the fixed pedal in the vertical direction.
[0012] The main body includes two fixing rods, which are arranged horizontally and fixed at both ends to the two second ladder feet respectively. The two fixing rods are respectively arranged above and below the movable pedal in the vertical direction.
[0013] The guardrail includes a handrail that is horizontally positioned and fixed at both ends to the first pivot and the second pivot, respectively, and the handrail is adjacent to the pivot.
[0014] The handwashing ladder provided by this utility model can provide good protection through the above-described structure. Attached Figure Description
[0015] Figure 1 This is a three-dimensional view of the children's handwashing ladder of this utility model.
[0016] Figure 2 This is a three-dimensional exploded view of the children's handwashing ladder of this utility model.
[0017] Figure 3 This is a three-dimensional exploded view of the children's handwashing ladder of this utility model from another perspective.
[0018] Figure 4 This is a cross-sectional view of the first locking pin of the children's handwashing ladder of this utility model.
[0019] Figure 5 This is a cross-sectional view of the second locking pin of the children's handwashing ladder of this utility model.
[0020] Figure 6 This is a cross-sectional structural diagram of the child handwashing ladder safety railing of this utility model.
[0021] Figure 7 This is a diagram showing the action of the first locking pin of the children's handwashing ladder of this utility model.
[0022] Figure 8 This is a diagram showing the action of the second locking pin of the children's handwashing ladder of this utility model.
[0023] Figure 9 This is a diagram illustrating the movement of the child handwashing ladder safety railing of this utility model.
[0024] Explanation of reference numerals in the attached drawings: 10-Handwashing ladder; 20-Body body; 21-First step; 211-Perforation; 22-Second step; 221-Limiting groove; 23-Modible step; 24-Support rod; 25-Fixed step; 26-Fixed rod; 30-Guard railing; 31-First pivot; 311-First slide; 312-First slot; 32-Second pivot; 321-Second slide; 322-Second slot; 33-Block 34-Handrail; 40-Locking mechanism; 41-First collar; 411-First flange; 412-First barb; 42-First fastener; 43-First locking pin; 431-First abutment; 44-First elastic element; 45-Second collar; 451-Second flange; 452-Second barb; 46-Second fastener; 47-Second locking pin; 471-Second abutment; 48-Second elastic element; L-Shaft. Detailed Implementation
[0025] Please refer to Figures 1 to 9 The figures shown are a perspective view, an exploded perspective view, a cross-sectional view, and an operational diagram of the children's handwashing ladder of this utility model. This utility model provides a children's handwashing ladder 10, comprising a main body 20, a safety railing 30, and a locking mechanism 40; wherein:
[0026] The main body 20 includes two first ladder legs 21 and two second ladder legs 22. The two second ladder legs 22 are pivotally mounted on the two first ladder legs 21 with the same pivot L as the center. The first ladder leg 21 has a through hole 211 in a direction parallel to the pivot L.
[0027] The guardrail 30 includes a first pivot 31, a second pivot 32, and a stop bar 33. The first pivot 31 and the second pivot 32 are pivotally mounted on the two first step legs 21 with the pivot L as the center. The two ends of the stop bar 33 are respectively connected to the end of the first pivot 31 opposite to the first step leg 21 and the end of the second pivot 32 opposite to the first step leg 21. The first pivot 31 has a first groove 311 and a first slot 312 recessed on one side adjacent to the first step leg 21. The first groove 311 is arc-shaped with the pivot L as the center. The first slot 312 is connected to one end of the first groove 311, and the depth of the first slot 312 is greater than the depth of the first groove 311.
[0028] The locking mechanism 40 includes a first collar 41, a first fastener 42, and a first locking pin 43. The outer periphery of the first collar 41 is provided with a first flange 411, which is inserted through the through hole 211. The first flange 411 abuts against the outer periphery of one side of the first step 21. The first fastener 42 is screwed to the first collar 41 and abuts against the side of the first step 21 opposite to the first flange 411. The first locking pin 43 is movable between a first unlock position and a first release position and is inserted into the first collar 41. In the first unlock position, the first locking pin 43 is inserted into the first slide groove 311, allowing the guardrail 30 to rotate relative to the body 20. In the first release position, the first locking pin 43 is inserted into the first slot 312, preventing the guardrail 30 from rotating relative to the body 20.
[0029] The first flange 411 has a first barb 412 in the shape of a cone on the side that contacts the first step 21. The diameter of the first barb 412 near the end of the first step 21 is larger than the diameter of the end of the first barb 412 away from the first step 21.
[0030] The first locking pin 43 has a first abutting portion 431 protruding radially from one end adjacent to the first pivot rod 31. The first abutting portion 431 is disposed in the first sliding groove 311 or the first slot 312. The end of the first locking pin 43 opposite to the first abutting portion 431 protrudes from the side of the first step 21 opposite to the first pivot rod 31. The locking mechanism 40 includes a first elastic member 44, which is sleeved on the first locking pin 43. One end of the first elastic member 44 abuts against the first collar 41 and the other end abuts against the first abutting portion 431.
[0031] The second pivot 32 has a second groove 321 and a second slot 322 recessed on one side adjacent to the first step 21. The second groove 321 is arc-shaped with the pivot L as the center. The second slot 322 is connected to one end of the second groove 321, and the depth of the second slot 322 is greater than the depth of the second groove 321. The locking mechanism 40 includes a second collar 45, a second fastener 46, and a second locking pin 47. A second flange 451 is provided on the outer periphery of the second collar 45. The first collar 41 and the second collar 45 respectively pass through... The second flange 451 abuts against the outer periphery of one side of the first ladder leg 21. The second fastener 46 is screwed to the second collar 45 and abuts against the side of the first ladder leg 21 opposite to the second flange 451. The second locking pin 47 is movably inserted into the second collar 45 between the second unlock position and the second release position. When the second locking pin 47 is in the second unlock position, the second locking pin 47 is inserted into the second slide groove 321. When the first locking pin 43 is in the first unlock position and the second locking pin 47 is in the second release position... The guardrail 30 can only rotate relative to the body 20 when it is in the second unlocked position. When the second locking pin 47 is in the second released position, the second locking pin 47 is inserted into the second slot 322. When the first locking pin 43 is in the first released position or the second locking pin 47 is in the second released position, the guardrail 30 cannot rotate relative to the body 20. The second flange 451 has a conical second barb 452 on the side that contacts the first step 21. The diameter of the second barb 452 near the first step 21 is larger than the diameter of the second barb 452 away from the first step 21. The diameter of one end of the second locking pin 47 is such that a second abutment portion 471 is radially protruding from one end of the second locking pin 47 adjacent to the second pivot rod 32. The second abutment portion 471 is disposed in the second sliding groove 321 or the second slot 322. The end of the second locking pin 47 opposite to the second abutment portion 471 protrudes from the side of the first step 21 opposite to the second pivot rod 32. The locking mechanism 40 includes a second elastic member 48, which is sleeved on the second locking pin 47. One end of the second elastic member 48 abuts against the second collar 45 and the other end abuts against the second abutment portion 471.
[0032] The first pivot 31 and the second pivot 32 are both disposed between the two first trapezoidal legs 21. One of the two second trapezoidal legs 22 is disposed between the first trapezoidal leg 21 and the first pivot 31, and the other is disposed between the first trapezoidal leg 21 and the second pivot 32. Each of the two second trapezoidal legs 22 is provided with a limiting groove 221 through it. The limiting groove 221 is arc-shaped with the pivot L as the center. The first flange 411 and the second flange 451 are respectively disposed in the limiting groove 221 of each of the two second trapezoidal legs 22. The two second trapezoidal legs 22 can only rotate relative to the two first trapezoidal legs 21 within the angle limited by the limiting groove 221. The first locking pin 43 and the second locking pin 47 pass through the two limiting grooves 221 respectively.
[0033] The main body 20 includes a movable pedal 23 and a support rod 24. The movable pedal 23 is pivotally mounted on the two second ladder legs 22 and disposed between the two second ladder legs 22. The two ends of the support rod 24 are respectively fixed to the two first ladder legs 21. When the movable pedal 23 pivots, it can selectively straddle the two first ladder legs 21 in the horizontal direction and abut against the upper edge of the support rod 24 or detach from the support rod 24.
[0034] The main body 20 includes a fixed pedal 25, which is arranged horizontally and its two ends are respectively fixed to the two first ladder legs 21. When the movable pedal 23 is placed between the two first ladder legs 21, the movable pedal 23 is positioned above the fixed pedal 25 in the vertical direction.
[0035] The main body 20 includes two fixing rods 26, which are arranged horizontally and fixed at both ends to the two second ladder feet 22 respectively. The two fixing rods 26 are respectively arranged above and below the movable pedal 23 in the vertical direction.
[0036] The guardrail 30 includes a handrail 34, which is arranged horizontally and its two ends are respectively fixed to the first pivot 31 and the second pivot 32, and the handrail 34 is adjacent to the pivot L.
[0037] The handwashing ladder 10, through the aforementioned structure, provides excellent protection, allowing children to climb the steps smoothly and preventing falls. When unfolded, the handwashing ladder 10 allows one side of the two second ladder legs 22 to approach the sink, while the guardrail 30 unfolds in the opposite direction to the sink. Children can step on the fixed step 25 and the movable step 23 to climb and use the sink, and can hold onto the handrail 34 for stability. After passing through the frame formed by the guardrail 30, even if their footing is unsteady, they can lean against the guardrail 30 to avoid falling. The first and second rings 41 and 45 also distribute stress, preventing the perforations 211 of the two first ladder legs 21 from enlarging and deforming. Furthermore, the barbed structures of the first and second rings 41 and 45 ensure that they are securely attached to the two first ladder legs 21.
[0038] Based on the above, the present invention has the following advantages: The present invention relates to a children's handwashing ladder, wherein the handwashing ladder includes a body, a guardrail, and a locking mechanism. The body includes two first steps and two second steps, the two second steps being pivotally mounted on the two first steps with the same pivot as the center. Each first step has a through hole along a direction parallel to the pivot. The guardrail includes a first pivot, a second pivot, and a stop bar. The first pivot and the second pivot are pivotally mounted on the two first steps with the pivot as the center. The two ends of the stop bar are respectively connected to the ends of the first pivot opposite to the first steps and the ends of the second pivot opposite to the first steps. The first pivot has a first groove and a first slot recessed on the side adjacent to the first step. The first groove is arc-shaped with the pivot as the center. The first slot is connected to one end of the first groove. The depth of the slot is greater than the depth of the first slide groove. The stop bar is arranged horizontally and its two ends are respectively fixed to the first pivot and the second pivot. The locking mechanism includes a first collar, a first fastener and a first locking pin. The outer periphery of the first collar is provided with a first flange. The first collar is inserted through the through hole. The first flange abuts against the outer periphery of one side of the first step. The first fastener is screwed to the first collar and abuts against the side of the first step opposite to the first flange. The first locking pin can be movably inserted into the first collar between the first unlock position and the first release position. When the first locking pin is in the first unlock position, the first locking pin is inserted into the first slide groove, allowing the guardrail to rotate relative to the body. When the first locking pin is in the first release position, the first locking pin is inserted into the first slot, preventing the guardrail from rotating relative to the body. The handwashing ladder can provide good protection through the above structure.
Claims
1. A child-friendly handwashing ladder, characterized in that, Including: A body comprising two first ladder legs and two second ladder legs, the two second ladder legs being pivotally mounted on the two first ladder legs with the same pivot axis as the center, and each first ladder leg having a through hole in a direction parallel to the pivot axis; A guardrail includes a first pivot, a second pivot, and a stop bar. The first pivot and the second pivot are pivotally mounted on two first trapezoidal feet about a pivot axis. The two ends of the stop bar are connected to the ends of the first pivot opposite to the first trapezoidal feet and the ends of the second pivot opposite to the first trapezoidal feet, respectively. The first pivot has a first groove and a first slot recessed on one side adjacent to the first trapezoidal foot. The first groove is arc-shaped about the pivot axis. The first slot is connected to one end of the first groove, and the depth of the first slot is greater than the depth of the first groove. A locking mechanism includes a first collar, a first fastener, and a first locking pin. The outer periphery of the first collar has a first flange, which is inserted through the through hole. The first flange abuts against the outer periphery of one side of the first step. The first fastener is screwed to the first collar and abuts against the side of the first step opposite to the first flange. The first locking pin is movably inserted into the first collar between a first unlocked position and a first released position. In the first unlocked position, the first locking pin is inserted into a first sliding groove, allowing the guardrail to rotate relative to the body. In the first released position, the first locking pin is inserted into a first locking slot, preventing the guardrail from rotating relative to the body.
2. The child handwashing ladder as described in claim 1, characterized in that: A first barb in the shape of a cone is provided on the side of the first flange that contacts the first step. The diameter of the first barb near the end of the first step is larger than the diameter of the end of the first barb away from the first step.
3. The child handwashing ladder as described in claim 2, characterized in that: The first locking pin has a first abutment portion protruding radially at one end adjacent to the first pivot rod. The first abutment portion is disposed in the first sliding groove or the first slot. The end of the first locking pin opposite to the first abutment portion protrudes from the side of the first step opposite to the first pivot rod. The locking mechanism includes a first elastic member, which is sleeved on the first locking pin. One end of the first elastic member abuts against the first collar and the other end abuts against the first abutment portion.
4. The child handwashing ladder as described in claim 3, characterized in that: The second pivot rod has a second groove and a second slot recessed on one side adjacent to the first step. The second groove is arc-shaped with the pivot shaft as the center. The second slot is connected to one end of the second groove, and the depth of the second slot is greater than the depth of the second groove. The locking mechanism includes a second collar, a second fastener, and a second locking pin. The outer periphery of the second collar has a second flange. The first collar and the second collar are respectively inserted through the holes of the two first steps. The second flange abuts against the outer periphery of one side of the first step. The second fastener is screwed to the second collar and abuts against the side of the first step opposite to the second flange. The second locking pin is movably inserted into the second collar between a second unlock position and a second release position. When the second locking pin is in the second unlock position, it is inserted into the second groove. When the first locking pin is in the first unlock position and the second locking pin is in the second release position... The guardrail can only rotate relative to the main body when it is in the second unlock position. When the second lock pin is in the second release position, the second lock pin is inserted into the second slot. When the first lock pin is in the first release position or the second lock pin is in the second release position, the guardrail cannot rotate relative to the main body. A second barb in the shape of a cone is provided on the side of the second flange that contacts the first step. The diameter of the second barb near the first step is larger than the diameter of the second barb away from the first step. A second abutment is provided radially at the end of the second lock pin near the second pivot. The second abutment is provided in the second slide groove or the second slot. The end of the second lock pin opposite to the second abutment protrudes from the side of the first step opposite to the second pivot. The locking mechanism includes a second elastic member, which is sleeved on the second lock pin. One end of the second elastic member abuts against the second collar and the other end abuts against the second abutment.
5. The child handwashing ladder as described in claim 4, characterized in that: Both the first pivot and the second pivot are disposed between the two first trapezoidal legs. One of the two second trapezoidal legs is disposed between the first trapezoidal leg and the first pivot, and the other is disposed between the first trapezoidal leg and the second pivot. Each of the two second trapezoidal legs is provided with a limiting groove through it. The limiting groove is arc-shaped with the pivot as the center. The first flange and the second flange are respectively disposed in the limiting groove of each of the two second trapezoidal legs. The two second trapezoidal legs can only rotate relative to the two first trapezoidal legs within the angle limited by the limiting groove. The first locking pin and the second locking pin pass through the two limiting grooves respectively.
6. The child handwashing ladder as described in claim 1, characterized in that: The main body includes a movable pedal and a support rod. The movable pedal is pivotally mounted on the two second ladder legs and positioned between the two second ladder legs. The two ends of the support rod are respectively fixed to the two first ladder legs. When the movable pedal pivots, it can selectively straddle the two first ladder legs in the horizontal direction and abut against the upper edge of the support rod or detach from the support rod.
7. The child handwashing ladder as described in claim 6, characterized in that: The main body includes a fixed pedal, which is arranged horizontally and fixed at both ends to the two first ladder legs. When the movable pedal is placed between the two first ladder legs, the movable pedal is positioned above the fixed pedal in the vertical direction.
8. The child handwashing ladder as described in claim 6, characterized in that: The main body includes two fixing rods, which are arranged horizontally and fixed at both ends to the two second ladder feet respectively. The two fixing rods are respectively arranged above and below the movable pedal in the vertical direction.
9. The child handwashing ladder as described in claim 1, characterized in that: The guardrail includes a handrail that is horizontally positioned and fixed at both ends to the first pivot and the second pivot, respectively, and the handrail is adjacent to the pivot.
Citation Information
Patent Citations
Baby climbing chair
TWM515331U