Newborn trolley with high stability

By designing the triangular front wheel structure and movable structure, the problem of inconvenience of newborn carts on bumpy roads and stairs is solved, the flexibility and convenience of the device are achieved, and the stability and comfort of the device are improved through shock absorption and heating functions.

CN222611222UActive Publication Date: 2025-03-14NANTONG MATERNAL & CHILD HEALTH CARE HOSPITAL
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Patent Information

Application Number
CN202421477016.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-26
Publication Date
2025-03-14
Estimated Expiration
2034-06-26

AI Technical Summary

Technical Problem

The existing neonatal trolleys are inconvenient for wheels to drive when climbing bumpy roads or when climbing stairs, resulting in limited use of the device and reducing the flexibility and convenience of the device.

Method used

A newborn cart with high stability was designed, using three sets of front wheels to form a triangle structure. The rotating rod is flipped, combined with the movable structure and the return spring to achieve the climbing of the device on the stairs, and the stability and comfort of the device are improved through the water mat and the heating pipe.

Benefits of technology

The flexible movement of the device on different grounds and stairs is realized, which improves the scope of application and functionality of the device. At the same time, the comfort and safety of the newborn are ensured through the shock absorption structure and heating function.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a newborn baby trolley with high stability, which belongs to the technical field of child carriers and comprises a frame, a mattress for placing a baby is mounted on the top surface of the frame, a damping structure for enhancing the stability of the device is fixedly mounted in the frame, and support frames are fixedly mounted on two sides of the frame. Rear wheels and front wheels facilitating movement of the whole device are rotatably mounted at the bottom end of the supporting frame, an adjusting structure used for assisting the device in stair climbing is mounted on one side of each front wheel, the three front wheels form a triangle and turn around the rotating rod during movement, the device can climb stairs conveniently by means of the special shape of the front wheels, and the flexibility and convenience of the device are improved; the triangular structure can guarantee the stability of the device, meanwhile, a movable structure is arranged, vibration generated when the device moves is relieved in the mode that a push plate is connected with a telescopic rod to extrude and contract a reset spring, the device is assisted in moving on the bumpy ground, the use range of the device is expanded, and the flexibility of the device is enhanced.
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Description

Technical Field

[0001] The utility model relates to the technical field of children's carriers, in particular to a newborn stroller with high stability. Background Art

[0002] A newborn stroller with high stability is a stroller specially designed for newborns to ensure that the baby is comfortable and safe when traveling, so as to meet the needs of newborns' daily travel or long-distance travel.

[0003] A Chinese patent discloses a baby stroller (publication number CN 215322804U), which includes a front foot assembly, a rear foot assembly, a handle assembly and a seat assembly. The top of the front foot assembly and the bottom of the handle assembly are both hinged to the rear foot assembly. A first connecting rod is provided between the front foot assembly and the rear foot assembly to drive the front foot assembly to move closer to the rear foot assembly. The seat assembly is hinged to the front foot assembly and connected to the first connecting rod through a second connecting rod. The second connecting rod is hinged to the first connecting rod and the seat assembly, so that the seat assembly, the front foot assembly, the first connecting rod and the second connecting rod form a foldable first four-link mechanism. However, the wheels in the patent are not convenient for driving on bumpy roads or climbing stairs, resulting in the use of the device being restricted by the site, reducing the flexibility and convenience of the device. Utility Model Content

[0004] The purpose of the utility model is to provide a newborn stroller with high stability to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A newborn stroller with high stability, comprising a frame, a mattress for placing a baby is installed on the top surface of the frame, a shock absorbing structure for enhancing the stability of the device is fixedly installed inside the frame, support frames are fixedly installed on both sides of the frame, rear wheels and front wheels are rotatably installed at the bottom end of the support frames for facilitating the movement of the entire device, and an adjustment structure for assisting the device in climbing stairs is installed on one side of the front wheel;

[0007] The adjustment structure includes a fixed tube, positioning plates are fixedly installed on both sides of the fixed tube, and the front wheel is located in the gap between the two positioning plates. A movable structure for assisting the smooth movement of the device is rotatably installed on the outer wall of the fixed tube, and a pushing plate for pushing the front wheel to move is fixedly installed on one side of the movable structure.

[0008] As a further solution of the utility model, the movable structure includes a fixed column, which is located outside the fixed tube. The interior of the fixed column is slidably connected to a telescopic rod for pushing the front wheel. There are three groups of fixed columns and telescopic rods in total.

[0009] As a further solution of the utility model, in order to ensure that the telescopic rod can continue to move upward and reset after being retracted, a reset cavity is opened inside the fixed column, and a reset spring for pushing the telescopic rod upward is fixedly installed inside the reset cavity.

[0010] As a further solution of the utility model, a limiting strip for limiting the position of the mattress is fixedly installed on the top surface of the frame, and there are two limiting strips in total and they are symmetrically and evenly distributed on both sides of the mattress. A headrest for supporting the head of a newborn is placed on the top surface of the mattress.

[0011] As a further solution of the utility model, the shock-absorbing structure includes a water pad, which is located in the inner cavity of the frame. The water inside the water pad absorbs and disperses the impact force and vibration energy from the outside, thereby reducing the vibration of the mattress and improving the stability of the device. A heating pipe for adjusting the temperature of the water pad is installed at the bottom end of the water pad. The water pad is heated by the heating pipe, and the heat energy is transferred to the mattress, providing a more comfortable environment for the newborn.

[0012] As a further solution of the utility model, a top cover for blocking dust is fixedly installed on the top surface of the frame, a plurality of breathable nets for ventilation are fixedly installed on the outer surface of the top cover, an opening groove for placing a newborn baby is opened on one side of the top cover, a push rod for pushing the device to move is fixedly installed on the outer wall of the frame, and a control panel for controlling the operation of the device is fixedly installed on one side of the frame.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. When the utility model is used, three groups of front wheels form a triangle, which flips around the rotating rod when moving. The special shape is used to facilitate the device to climb stairs, avoid being restricted by the site when using the device, improve the flexibility and convenience of the device, increase the functionality of the device, and the triangular structure ensures the stability of the device during movement. At the same time, a movable structure is provided, and the vibration of the device during movement is reduced by pushing the plate to connect the telescopic rod to squeeze and contract the reset spring, and the device is assisted to move on bumpy ground, expanding the scope of application of the device. The reset spring can also adjust the distance between the front wheel and the fixed tube, so that the front wheel is more suitable for stairs of different heights, thereby enhancing the flexibility of the device.

[0015] 2. When the utility model is used, the water inside the water cushion absorbs and disperses the impact force and vibration energy from the outside, thereby reducing the vibration of the mattress, effectively reducing the impact of external impact and vibration on the newborn, and improving the stability of the device. At the same time, a heating pipe is installed at the bottom of the water cushion, and the water cushion is heated and temperature-controlled by the heating pipe, and the heat energy is transferred to the mattress, providing a more comfortable environment for the newborn. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The figure is a schematic diagram of the overall structure of a neonatal stroller with high stability.

[0017] Figure 2 The present invention is an overall structural diagram of a support frame in a neonatal stroller with high stability.

[0018] Figure 3 A structure for adjusting the structure of a neonatal stroller with high stability Figure 1 .

[0019] Figure 4 A structure for adjusting the structure of a neonatal stroller with high stability Figure 2 .

[0020] Figure 5 The present invention is a structural breakdown diagram of a frame of a newborn stroller with high stability.

[0021] In the figure: 1. frame; 2. mattress; 3. support frame; 4. rear wheel; 5. front wheel; 6. adjustment structure; 601. fixing tube; 602. positioning plate; 603. pushing plate; 604. connecting rod; 605. fixing column; 606. telescopic rod; 607. connecting piece; 608. return spring; 609. air cushion; 610. rotating rod; 611. mounting block; 612. air pump; 7. limiting strip; 8. headrest; 9. water cushion; 901. heating tube; 902. heater; 903. heat insulation pad; 10. top cover; 11. breathable net; 12. push rod; 13. control panel. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example 1: Please refer to Figure 1 - Figure 4 A newborn stroller with high stability comprises a frame 1, a mattress 2 for placing a baby is installed on the top surface of the frame 1, a shock absorbing structure for enhancing the stability of the device is fixedly installed inside the frame 1, support frames 3 are fixedly installed on both sides of the frame 1, rear wheels 4 and front wheels 5 are rotatably installed at the bottom end of the support frames 3 for facilitating the movement of the entire device, and an adjustment structure 6 for assisting the device in climbing stairs is installed on one side of the front wheel 5;

[0024] The adjustment structure 6 includes a fixed tube 601, and positioning plates 602 are fixedly installed on both sides of the fixed tube 601 by bolts, and the front wheel 5 is located in the gap between the two positioning plates 602. A movable structure for the smooth movement of the auxiliary device is rotatably installed on the outer wall of the fixed tube 601, and a pushing plate 603 for pushing the front wheel 5 to move is fixedly installed on one side of the movable structure; specifically, the fixed tube 601 is located on one side of the support frame 3, and the front wheel 5 is slidably connected with the positioning plate 602 through its internal rotating plug-in connecting rod 604, and the inner wall of the positioning plate 602 is provided with three groups of sliding grooves for providing the connecting rod 604 to slide, and both ends of the connecting rod 604 pass through the front wheel 5 and are located in the sliding grooves;

[0025] The movable structure includes a fixed column 605, which is located outside the fixed tube 601. A telescopic rod 606 for pushing the front wheel 5 is slidably connected inside the fixed column 605. There are three sets of fixed columns 605 and telescopic rods 606. The bottom end of the fixed column 605 and the top end of the telescopic rod 606 are fixedly installed with a connecting piece 607 for installing and fixing the movable structure, and the two are rotatably connected to the fixed tube 601 and the pushing plate 603 respectively through the connecting piece 607.

[0026] In order to ensure that the telescopic rod 606 can continue to move upward after being retracted, a reset cavity is provided inside the reset fixed column 605, and a reset spring 608 for pushing the telescopic rod 606 upward is fixedly installed inside the reset cavity, and the upper and lower ends of the reset spring 608 are fixedly connected to the fixed column 605 and the telescopic rod 606 respectively.

[0027] Specifically, there are three groups of front wheels 5 and they are symmetrically and evenly distributed. The three groups of front wheels 5 form a triangle so that the device can climb stairs when moving. The three groups of front wheels 5 are connected to the positioning plate 602 and rotate around the fixed tube 601 through the pushing device, and the stair edge is clamped by the intervals between the three groups of front wheels 5, so that the device can move on the stairs. At the same time, the front wheels 5 are connected to the pushing plate 603 to drive the telescopic rod 606 to squeeze and contract the return spring 608, so that the front wheels 5 drive the connecting rod 604 to move along the sliding groove, thereby assisting the device to move on bumpy ground, enhancing the flexibility of the device and expanding the application range of the device. In addition, the movable structure is provided so that the distance between the front wheels 5 and the fixed tube 601 can be adjusted, so that the front wheels 5 are more suitable for stairs of different heights.

[0028] There are two groups of positioning plates 602, two as a group. An air cushion 609 for fixing the position of the front wheel 5 is fixedly installed in the gap between each two positioning plates 602. The air cushion 609 filled with air is squeezed and fitted to the front wheel 5 to lock it, so that the front wheel 5 cannot rotate around the connecting rod 604, so as to achieve the limiting and fixing effect of the entire device, and further enhance the stability of the device. A rotating rod 610 is rotatably inserted on the corresponding side of the two groups of positioning plates 602, and the outer wall of the rotating rod 610 is provided with a mounting block 611 for fixing the rotating rod 610, and the mounting block 611 is fixedly connected to the support frame 3. Specifically, the outer surface of the rotating rod 610 is provided with an air pump 612 for inflating the air cushion 609, and the air pump 612 is fixedly connected to the air cushion 609 through a pipeline, and the pipeline is located in the inner cavity of the rotating rod 610.

[0029] Example 2: Please refer to Figure 5 A limiting strip 7 for limiting the position of the mattress 2 is fixedly installed on the top surface of the frame 1, and there are two limiting strips 7 that are symmetrically and evenly distributed on both sides of the mattress 2. A headrest 8 for supporting the head of a newborn is placed on the top surface of the mattress 2.

[0030] Please refer to 5. The shock-absorbing structure includes a water cushion 9. The water cushion 9 is located in the inner cavity of the frame 1. The water in the water cushion 9 absorbs and disperses the impact force and vibration energy from the outside, thereby reducing the vibration of the mattress 2 and improving the stability of the device. A heating pipe 901 for adjusting the temperature of the water cushion 9 is installed at the bottom end of the water cushion 9. The water cushion 9 is heated by the heating pipe 901, and the heat energy is transferred to the mattress 2, providing a more comfortable environment for the newborn.

[0031] Specifically, a heater 902 for providing heat energy is fixedly installed on one side of the heating tube 901 . In order to prevent the heating tube 901 from melting and damaging the frame 1 , a heat insulation pad 903 for blocking heat conduction is installed at the bottom end of the heating tube 901 .

[0032] See also Figure 1 A top cover 10 for blocking dust is fixedly installed on the top surface of the frame 1, a plurality of breathable nets 11 for ventilation are fixedly installed on the outer surface of the top cover 10, an opening slot for placing a newborn baby is opened on one side of the top cover 10, a push rod 12 for pushing the device to move is fixedly installed on the outer wall of the frame 1, and a control panel 13 for controlling the operation of the device is fixedly installed on one side of the frame 1.

[0033] The working principle of the utility model is:

[0034] First, push the push rod 12 to rotate the rear wheel 4 and the front wheel 5 to drive the entire device to move. When encountering stairs, use the intervals between the three groups of front wheels 5 to clamp the edge of the stairs, and use the positioning plate 602 to drive the front wheels 5 to rotate around the rotating rod 610, so that the three groups of front wheels 5 are alternately flipped, thereby enabling the device to climb the stairs. At the same time, use the front wheels 5 to connect the pushing plate 603 to drive the telescopic rod 606 to squeeze and shrink the return spring 608, so that the front wheels 5 drive the connecting rod 604 to move along the sliding groove, and the auxiliary device moves more smoothly. After moving to the appropriate position, start the air pump 612 to connect the pipeline to inflate the air cushion 609, allowing it to squeeze and lock the front wheel 5 to prevent the device from moving at will. Finally, use the water cushion 9 to slow down the shaking caused by the movement of the device, and start the heater 902 to connect the heating pipe 901 to heat the water cushion 9 to provide a more comfortable environment for the newborn.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A newborn stroller with high stability, comprising a frame (1), characterized in that: The top surface of the frame (1) is provided with a mattress (2) for placing a baby, a shock absorbing structure for enhancing the stability of the device is fixedly installed inside the frame (1), support frames (3) are fixedly installed on both sides of the frame (1), rear wheels (4) and front wheels (5) for facilitating the movement of the entire device are rotatably installed at the bottom ends of the support frames (3), and an adjustment structure (6) for assisting the device in climbing stairs is installed on one side of the front wheel (5); The adjustment structure (6) comprises a fixed tube (601), positioning plates (602) are fixedly mounted on both sides of the fixed tube (601), and the front wheel (5) is located in the gap between the two positioning plates (602), and a movable structure for assisting the smooth movement of the device is rotatably mounted on the outer wall of the fixed tube (601), and a pushing plate (603) for pushing the front wheel (5) to move is fixedly mounted on one side of the movable structure.

2. A high-stability neonatal stroller according to claim 1, characterized in that: The movable structure comprises a fixed column (605), wherein the fixed column (605) is located outside the fixed tube (601), and a telescopic rod (606) for pushing the front wheel (5) is slidably connected inside the fixed column (605), and a total of three groups of the fixed column (605) and the telescopic rod (606) are provided.

3. A high-stability neonatal stroller according to claim 2, characterized in that: In order to ensure that the telescopic rod (606) can continue to move upward and reset after being retracted, a reset cavity is provided inside the fixed column (605), and a reset spring (608) is fixedly installed inside the reset cavity for pushing the telescopic rod (606) to move upward.

4. A high-stability neonatal stroller according to claim 1, characterized in that: A limiting strip (7) for limiting the position of the mattress (2) is fixedly mounted on the top surface of the frame (1), and two limiting strips (7) are provided and symmetrically and evenly distributed on both sides of the mattress (2), and a headrest (8) for supporting the head of a newborn is placed on the top surface of the mattress (2).

5. A high-stability neonatal stroller according to claim 1, characterized in that: The shock-absorbing structure comprises a water cushion (9), wherein the water cushion (9) is located in the inner cavity of the frame (1), and the water inside the water cushion (9) absorbs and disperses the impact force and vibration energy from the outside, thereby reducing the vibration of the mattress (2) and improving the stability of the device. A heating pipe (901) for adjusting the temperature of the water cushion (9) is installed at the bottom end of the water cushion (9). The water cushion (9) is heated by the heating pipe (901), and the heat energy is transferred to the mattress (2), thereby providing a more comfortable environment for the newborn.

6. A high-stability neonatal stroller according to claim 1, characterized in that: A top cover (10) for blocking dust is fixedly mounted on the top surface of the frame (1), a plurality of air-permeable nets (11) for ventilation are fixedly mounted on the outer surface of the top cover (10), an opening slot for placing a newborn baby is provided on one side of the top cover (10), a push rod (12) for pushing the device to move is fixedly mounted on the outer wall of the frame (1), and a control panel (13) for controlling the operation of the device is fixedly mounted on one side of the frame (1).

Citation Information

Patent Citations

  • Baby stroller

    CN215322804U