Portable folding baby carriage frame

Abstract

The utility model provides a portable folding baby carriage frame, and relates to the technical field of baby products. The contraction assembly comprises a supporting frame, pull ropes are arranged on the two sides in the supporting frame, one end of each pull rope is fixedly connected with an operation button, the end, away from the operation button, of each pull rope is fixedly connected with a clamping block, a reset spring is arranged in each clamping block, and one end of the supporting frame is fixedly connected with a positioning ring. By means of the design, the baby carriage frame can be easily folded, the size of the folded baby carriage frame is greatly reduced, the baby carriage frame can be easily placed in an automobile trunk, parents can go out conveniently, meanwhile, when the baby carriage frame is stored at home, the occupied space of the folded baby carriage frame is greatly reduced, a special storage position is not needed, and the space utilization rate is increased. The baby carriage frame is easy and convenient to fold and unfold, a user can quickly fold and unfold the baby carriage frame according to needs, and the use flexibility and convenience are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to baby supplies technical field especially relates to a portable folding baby carriage frame. BACKGROUND

[0002] With the improvement of people's living standards and the diversification of travel mode, baby carriage has become an indispensable baby raising tool in modern family. Baby carriage frame as the core component of baby carriage, its design and function directly affect the use experience and safety of baby carriage;

[0003] However, the existing part baby carriage frame when not using, since in the unfolded state height and width are bigger, cannot easily put into the car trunk, bring inconvenience to the travel of parents, and when in the home, the bigger baby carriage frame will occupy more space, need special storage location, thereby influence the storage of other articles;

[0004] Therefore, the utility model provides a portable folding baby carriage frame. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcoming in the prior art, and provides a portable folding baby carriage frame.

[0006] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a portable folding baby carriage frame, comprising:

[0007] The contraction assembly includes a support frame, both sides of the inside of the support frame are provided with a pull rope, one end of the pull rope is fixedly connected with an operation button, the end of the pull rope away from the operation button is fixedly connected with a clamping block, the inside of the clamping block is provided with a return spring, one end of the support frame is fixedly connected with a positioning ring, and the outer side of the positioning ring is rotatably connected with a movable ring.

[0008] The folding assembly includes a front wheel fixedly connected to one side of the movable ring, and a rear rod fixedly connected to the other side of the movable ring.

[0009] The upstairs assembly includes a motor fixedly connected to the rear rod, a triangular support frame fixedly connected to the driving end of the motor, and a rear rotating wheel arranged in the triangular support frame.

[0010] Further, the triangular support frame is rotatably connected with an adjusting wheel, the inside of the adjusting wheel is provided with an adjusting arc groove, the inside of the adjusting arc groove is slidably connected with an extension rod, the outer side of the triangular support frame is screwedly connected with a hollow rotating bolt, and the inside of the hollow rotating bolt is fixedly connected with a connecting column.

[0011] Further, the extension rod is rotationally connected to the rear rotating wheel at one end away from the adjusting wheel, and the connecting column is fixedly connected to the adjusting wheel at the outer side of the hollow rotating pin.

[0012] Further, the outer side of the front wheel is fixedly connected with a placing frame, the outer side of the rear rod is rotationally connected with a bending frame, and the outer side of the movable ring is fixedly connected with a backrest frame.

[0013] Further, one end of the reset spring is fixedly connected to the clamping block, and the other end of the reset spring is fixedly connected to the movable ring.

[0014] Further, the bending frame is rotationally connected to the supporting frame at one end away from the rear rod, and the outer side of the operating button is slidingly connected to the supporting frame.

[0015] Further, the.

[0016] Compared with the prior art, the utility model has the advantages and positive effects that:

[0017] 1、 the utility model discloses when operating button is pressed, the pull rope will pull the clamping block and move to the inside of the supporting frame, overcomes the elastic force of reset spring, makes the locking state between clamping block and movable ring to be released, at this time, movable ring can rotate around the positioning ring, thereby drive baby carriage frame to fold or unfold operation, when releasing operating button, operating button will automatically restore to the initial position under the action of reset spring, simultaneously, pull rope and clamping block will also reset, complete the locking operation of folding device, so design makes baby carriage frame can easily fold, and the volume of folding greatly reduces, can easily put into the car spare tire, and the travel of the parent is convenient, simultaneously, when storing in the home, the space of baby carriage frame after folding also greatly reduces, need not special storage position, improve the space utilization rate, and the folding and unfolding operation of baby carriage frame is simple and convenient, and user can fold and unfold baby carriage frame according to need quickly, improve the flexibility and convenience of use.

[0018] 2. The utility model discloses when need to go upstairs, motor starts, drives triangular support frame movement to drive rear wheel rotation, and rear wheel is contacted with staircase, and the position and angle of rear wheel can be adjusted according to the shape and gradient of staircase through the cooperation design of adjusting wheel and extension rod, so that the baby carriage not only can be used on the flat ground, but also can easily deal with complex terrain such as staircase, and the physical burden of parents is reduced, and secondly, the position and angle of rear wheel can be adjusted according to the shape and gradient of staircase through the cooperation design of adjusting wheel and extension rod for different road sections, and the application range of the frame is increased. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is a front view of a portable folding baby carriage frame of the utility model;

[0020] Fig. 2 It is a rear view of a portable folding baby carriage frame of the utility model;

[0021] Fig. 3 It is a structure diagram of a folding assembly in a portable folding baby carriage frame of the utility model;

[0022] Fig. 4 It is a structure diagram of a contraction assembly in a portable folding baby carriage frame of the utility model;

[0023] Fig. 5 It is a structure diagram of a going upstairs assembly in a portable folding baby carriage frame of the utility model;

[0024] Fig. 6 It is a split diagram of a going upstairs assembly in a portable folding baby carriage frame of the utility model.

[0025] DRAWINGS

[0026] 1, contraction assembly, 11, support frame, 12, pull rope, 13, operation button, 14, clamping block, 15, return spring, 16, movable ring, 17, positioning ring,

[0027] 2, folding assembly, 21, front wheel, 22, rear rod, 23, mounting frame, 24, bending frame, 25, backrest frame,

[0028] 3, going upstairs assembly, 31, motor, 32, triangular support frame, 33, adjusting wheel, 34, adjusting arc groove, 35, extension rod, 36, hollow rotating bolt, 37, connecting column, 38, rear wheel. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0030] As shown in Figs. 1-4 The present application provides a technical solution: a portable folding baby carriage frame, comprising:

[0031] The contraction assembly 1 comprises a support frame 11, both sides of the inside of the support frame 11 are provided with a pull rope 12, one end of the pull rope 12 is fixedly connected with an operation button 13, the outer side of the operation button 13 is slidingly connected on the support frame 11, the end of the pull rope 12 away from the operation button 13 is fixedly connected with a clamping block 14, the inside of the clamping block 14 is provided with a reset spring 15, one end of the reset spring 15 is fixedly connected on the clamping block 14, the other end of the reset spring 15 is fixedly connected on the movable ring 16, one end of the support frame 11 is fixedly connected with a positioning ring 17, the outer side of the positioning ring 17 is rotatably connected with a movable ring 16, one end of the reset spring 15 is fixedly connected on the clamping block 14, the other end of the reset spring 15 is fixedly connected on the movable ring 16;

[0032] The support frame 11 serves as the basic frame structure of the entire folding assembly 1, supports and connects other components, provides a stable support platform for the entire folding stroller frame, and serves as a fixed part during folding and unfolding, providing mounting points and support for other moving parts. The pull rope 12 connects the operation button 13 and the clamping block 14, transmits the operation force of the operation button 13 to the clamping block 14, moves the clamping block 14, and controls the locking and unlocking state of the folding device, which is one of the key transmission components of the entire folding device. When the operation button 13 is pressed, the pull rope 12 will be subjected to the pulling force of the operation button 13. Since one end of the pull rope 12 is fixed to the operation button 13 and the other end is fixed to the clamping block 14, the pull rope 12 will pull the clamping block 14 to move towards the inside of the support frame 11, overcoming the elastic force of the return spring 15, so that the locking state between the clamping block 14 and the movable ring 16 is released. The operation button 13 is a direct interface for user operation, used to control the locking and unlocking of the folding device, making it convenient for users to quickly fold and unfold the stroller frame as needed, improving the convenience of use. When the user presses the operation button 13, the operation button 13 will slide along the outside of the support frame 11, while pulling the pull rope 12 fixedly connected thereto, so that the pull rope 12 drives the clamping block 14 to move, thereby achieving the unlocking operation of the folding device. When the operation button 13 is released, the operation button 13 will automatically return to the initial position under the action of the return spring 15, while the pull rope 12 and the clamping block 14 will also reset, completing the locking operation of the folding device. The clamping block 14 cooperates with the movable ring 16 to lock and fix the folding state of the stroller frame, ensuring that the stroller frame can maintain a stable folding state after folding, preventing accidental unfolding and ensuring safety in use. The return spring 15 provides a return force for the clamping block 14, ensuring that the clamping block 14 can automatically return to the initial position after the operation button 13 is released, achieving the automatic locking function of the folding device, and also helping to improve the operation stability and reliability of the folding device. The positioning ring 17 is a positioning component of the movable ring 16, providing a rotating fulcrum and positioning function for the movable ring 16, ensuring that the movable ring 16 can accurately rotate relative to the support frame 11 during rotation, and maintaining a stable positional relationship in the folded and unfolded states. During folding and unfolding, the movable ring 16 rotates around the positioning ring 17 as a fulcrum. The structure and installation position of the positioning ring 17 ensure that the rotation trajectory and angle of the movable ring 16 meet the folding and unfolding requirements of the stroller frame. The movable ring 16 cooperates with the positioning ring 17 to achieve the folding and unfolding function of the stroller frame, and is one of the key components connecting different parts of the stroller frame. Through its rotary motion, the entire stroller frame is folded and unfolded. The outer side of the movable ring 16 is rotatably connected to the outer side of the positioning ring 17,The inside of the card block 14 is fixedly connected with one end of the reset spring 15. In the folding and unfolding process, when the operating button 13 is pressed and the card block 14 releases the locking of the movable ring 16, the movable ring 16 can rotate around the positioning ring 17. When it is needed to fold the baby carriage frame, the movable ring 16 is rotated towards the direction of the support frame 11 by external force, driving the baby carriage frame connected therewith to fold; when it is needed to unfold the baby carriage frame, the movable ring 16 is reversely rotated, so that the baby carriage frame is gradually unfolded. When the operating button 13 is released, the card block 14 is re-locked into the card slot on the movable ring 16 under the action of the reset spring 15, the movable ring 16 is locked at the corresponding position, and the folding or unfolding operation of the baby carriage frame is completed.

[0033] The folding assembly 2 comprises a front wheel 21 fixedly connected on one side of the movable ring 16, a rear rod 22 fixedly connected on the other side of the movable ring 16, a placing frame 23 fixedly connected on the outer side of the front wheel 21, a bending frame 24 rotatably connected on the outer side of the rear rod 22, the bending frame 24 being rotatably connected on the support frame 11 at the end away from the rear rod 22, and a backrest frame 25 fixedly connected on the outer side of the movable ring 16.

[0034] The front wheel 21 provides support and rolling function for the baby carriage to move stably on the ground, and cooperates with the rear wheel to ensure the stability and flexibility of the baby carriage. The rear rod 22 is a support structure of the rear part of the baby carriage, connects the bending frame 24 and the movable ring 16, and plays a role of supporting and transmitting force. The placing frame 23 is used for installing and fixing other components or articles, such as the seat and storage basket of the baby carriage, to provide more functions and convenience for the baby carriage, and also plays a role of supporting and connecting to enhance the overall structural stability of the baby carriage. The bending frame 24 connects the rear rod 22 and the support frame 11, plays a role of supporting and transmission, and realizes the folding and unfolding functions of the baby carriage frame through its own folding and unfolding actions, which is one of the key components of the folding structure of the baby carriage. The backrest frame 25 provides comfortable backrest support for the baby, ensures the comfort and safety of the baby during the riding process, cooperates with the seat and other components to form the riding space of the baby carriage, and improves the use function and user experience of the baby carriage.

[0035] The upper floor assembly 3 comprises a motor 31 fixedly connected to the rear rod 22, a triangular support frame 32 fixedly connected to the driving end of the motor 31, a rear rotating wheel 38 arranged in the triangular support frame 32, an adjusting wheel 33 rotatably connected to the triangular support frame 32, an adjusting arc groove 34 formed in the adjusting wheel 33, an extension rod 35 slidably connected to the adjusting arc groove 34, one end of the extension rod 35 rotatably connected to the rear rotating wheel 38, a hollow rotating bolt 36 threadedly connected to the outer side of the triangular support frame 32, and a connecting column 37 fixedly connected to the inside of the hollow rotating bolt 36 and fixedly connected to the adjusting wheel 33 on the outer side of the connecting column 37 away from the hollow rotating bolt 36;

[0036] The motor 31 is the power source of the upstairs assembly 3, which provides driving force for the upstairs action of the stroller, enabling the stroller to automatically or assistively climb stairs, reducing the physical burden of parents. The triangular support frame 32 connects the motor 31 and the rear rotating wheel 38, serving as a support and transmission function, and providing a mounting position for the adjusting wheel 33, which is one of the key support components of the upstairs assembly 3. One end of the triangular support frame 32 is fixedly connected to the driving end of the motor 31, and the other end is connected to the rear rotating wheel 38. Under the drive of the motor 31, the triangular support frame 32 drives the rear rotating wheel 38 to move together. At the same time, the inside of the triangular support frame 32 also rotatably connects the adjusting wheel 33. Through the movement of the adjusting wheel 33, the position and angle of the rear rotating wheel 38 can be changed, thereby realizing the adjustment and control of the upstairs action of the stroller. The rear rotating wheel 38 is fixedly connected inside the triangular support frame 32. When the motor 31 drives the triangular support frame 32 to move, the rear rotating wheel 38 also rotates. During the upstairs process, the contact point of the rear rotating wheel 38 with the stairs changes constantly, pushing the stroller to move upwards through rolling. At the same time, one end of the extension rod 35 is rotatably connected to the rear rotating wheel 38, and the other end is connected to the adjusting wheel 33. Through the extension and rotation of the extension rod 35, the position and angle of the rear rotating wheel 38 can be adjusted to better adapt to the shape and slope of the stairs. The adjusting wheel 33 adjusts the position and angle of the rear rotating wheel 38 through the cooperation of the adjusting arc groove 34 and the extension rod 35, thereby adapting to the shape and slope of different stairs and ensuring the stability and continuity of the stroller during the upstairs process. The adjusting arc groove 34 provides a sliding track for the extension rod 35, enabling it to move along an arc-shaped trajectory, thereby realizing the adjustment of the position and angle of the rear rotating wheel 38. When the adjusting wheel 33 rotates, the adjusting arc groove 34 will drive the extension rod 35 to move along the arc-shaped trajectory, thereby changing the length and angle of the extension rod 35 and adjusting the position of the rear rotating wheel 38 to ensure that the movement trajectory of the extension rod 35 meets the requirements of the stroller upstairs. The extension rod 35 connects the adjusting wheel 33 and the rear rotating wheel 38, and through its extension and rotation, it adjusts the position and angle of the rear rotating wheel 38 while transmitting the movement and force between the adjusting wheel 33 and the rear rotating wheel 38. The hollow rotating pin 36 rotates to drive the connecting column 37 and the adjusting wheel 33 to rotate together, realizing precise adjustment of the position and angle of the rear rotating wheel 38 while serving as a fixing and connecting function. The hollow rotating pin 36 has a connecting column 37 fixedly connected inside. When adjusting the position and angle of the rear rotating wheel 38, the hollow rotating pin 36 is rotated to move along the threaded track, thereby driving the connecting column 37 and the adjusting wheel 33 to rotate together. The rotation of the adjusting wheel 33 will drive the rear rotating wheel 38 to move together through the adjusting arc groove 34 and the extension rod 35.To achieve precise adjustment of the position and angle of the rear rotating wheel 38, the threaded connection of the hollow rotating bolt 36 also provides a self-locking function, ensuring the stability of the adjusted position and angle of the rear rotating wheel 38. One end of the connecting post 37 is fixedly connected to the inside of the hollow rotating bolt 36, and the other end is fixedly connected to the outside of the adjusting wheel 33. When the hollow rotating bolt 36 rotates, the connecting post 37 drives the adjusting wheel 33 to rotate as well. The rotation of the adjusting wheel 33, through the adjusting groove 34 and the extension rod 35, drives the rear rotating wheel 38 to move together, thereby achieving the adjustment of the position and angle of the rear rotating wheel 38.

[0037] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A portable folding stroller frame, characterized in that, include: Shrink assembly (1); The shrink assembly (1) includes a support frame (11), and pull ropes (12) are provided on both sides of the inside of the support frame (11). An operation button (13) is fixedly connected to one end of the pull rope (12), and a locking block (14) is fixedly connected to the end of the pull rope (12) away from the operation button (13). A reset spring (15) is provided inside the locking block (14). A positioning ring (17) is fixedly connected to one end of the support frame (11), and a movable ring (16) is rotatably connected to the outside of the positioning ring (17). Folding assembly (2); the folding assembly (2) includes a front wheel (21) fixedly connected to one side of the movable ring (16), and a rear rod (22) fixedly connected to the other side of the movable ring (16); The upstairs assembly (3) includes a motor (31) fixedly connected to the rear rod (22), and a triangular support frame (32) is fixedly connected to the drive end of the motor (31). A rear wheel (38) is provided inside the triangular support frame (32).

2. The portable folding stroller frame according to claim 1, characterized in that: The triangular support frame (32) is rotatably connected to an adjusting wheel (33), the adjusting wheel (33) is provided with an adjusting groove (34), the adjusting groove (34) is slidably connected to an extension rod (35), the outside of the triangular support frame (32) is threadedly connected to a hollow rotating bolt (36), and the hollow rotating bolt (36) is fixedly connected to a connecting column (37).

3. A portable folding stroller frame according to claim 2, characterized in that: The end of the extension rod (35) away from the adjusting wheel (33) is rotatably connected to the rear rotating wheel (38), and the connecting column (37) is fixedly connected to the adjusting wheel (33) on the outer side away from the hollow rotating bolt (36).

4. A portable folding stroller frame according to claim 1, characterized in that: The outer side of the front wheel (21) is fixedly connected to a mounting frame (23), the outer side of the rear rod (22) is rotatably connected to a bending frame (24), and the outer side of the movable ring (16) is fixedly connected to a backrest frame (25).

5. A portable folding stroller frame according to claim 1, characterized in that: One end of the reset spring (15) is fixedly connected to the locking block (14), and the other end of the reset spring (15) is fixedly connected to the movable ring (16).

6. A portable folding stroller frame according to claim 4, characterized in that: The end of the bending frame (24) away from the rear rod (22) is rotatably connected to the support frame (11), and the outer side of the operation button (13) is slidably connected to the support frame (11).

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