Folding baby carriage

By designing a combination of connecting pieces, crossbar components, unlocking components, latches and steel cables in the stroller, the stroller is lightweight and portable, solving the problem of heavy and difficult storage of the existing strollers, and achieving stable folding of the frame body.

CN222973461UActive Publication Date: 2025-06-13NINGBO RUIHAO BABY PROD CO LTD
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Patent Information

Application Number
CN202422310317.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Priority Date
2024-08-30
Filing Date
2024-09-23
Publication Date
2025-06-13
Estimated Expiration
2034-09-23

AI Technical Summary

Technical Problem

The existing strollers are heavier and difficult to store the show car, the structure is not reliable, and the size after closing is irregular, making it difficult to meet the needs of lightweight and portability.

Method used

A folding stroller is designed to achieve convenient expansion and folding of the bracket assembly through the combination of connecting pieces, crossbar assembly, unlocking assembly, latch and steel cable, and ensure the overall folding of the frame body through the linkage mechanism.

Benefits of technology

The stroller is lightweight and portable, and the folding of the frame body is more stable and convenient, adapting to different usage scenarios.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN222973461U_ABST
    Figure CN222973461U_ABST
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Abstract

The utility model discloses a folding baby carriage which comprises a carriage frame body, and a base assembly is arranged on the carriage frame body. The support assembly is arranged at any position of the base assembly through a connecting piece. A cross rod assembly is arranged at the upper end of the bracket assembly; a bolt is arranged at the bottom of the bracket assembly; the unlocking assembly is arranged at any position on the cross rod assembly; a steel cable is arranged on the unlocking assembly and penetrates through the cross rod assembly and the support assembly to be connected to the plug pin. According to the utility model, the structural design is reasonable, the connecting sheet is used for connecting the bracket assembly and the base assembly, and the cross rod assembly is arranged, so that a user can push and pull the bracket after holding the bracket assembly; the unlocking assembly is arranged and used for folding or unfolding the support assembly, and the bolt is arranged to be connected with the steel cable and used for achieving the linkage effect on folding of the frame body.
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Description

Technical Field

[0001] The utility model relates to the field of baby carriages, in particular to a folding baby carriage. Background Art

[0002] At present, baby carriages on the market are becoming increasingly mature. Consumers have higher requirements for baby carriages, demanding light weight and small volume when folded. Most baby carriages on the market are heavy and inconvenient to carry when traveling. Although some carriages have achieved relatively light weight, the overall structure is not firm, it is difficult to store and unfold the carriage, and the size is not regular after folding. Therefore, people are eager to have a lightweight baby carriage frame that is convenient to fold and unfold, has a simple structure, and has a small volume after folding. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a folding baby carriage according to the current situation of the prior art.

[0004] The technical solution adopted by the utility model to solve the above technical problems is as follows:

[0005] A folding baby carriage includes a frame main body, on which a base assembly is arranged; at any position on the base assembly, a support assembly is arranged through a connecting piece; a cross bar assembly is arranged at the upper end of the support assembly; a pin is arranged at the bottom of the support assembly; an unlocking assembly is arranged at any position on the cross bar assembly; a steel cable is arranged on the unlocking assembly and passes through the cross bar assembly to be connected with the support assembly at the pin; the support assembly is unfolded or folded through the cooperation of the unlocking assembly and the pin.

[0006] The effects achieved by the above components are as follows: A connecting piece is provided to connect the support assembly and the base assembly. A cross bar assembly is provided for users to hold and push or pull. An unlocking assembly is provided to fold or unfold the support assembly. A pin and a steel cable are connected to play a linkage role in folding the frame main body.

[0007] Preferably, the support assembly includes: a first support rod, the bottom of which is hinged to the connecting piece; a support frame, which is hinged to the first support rod at any position; a rotating assembly, which is arranged at the upper end of the first support rod; a second support rod, which is arranged at the upper end of the first support rod through the rotating assembly; one end of the support frame is rotatably connected to the base assembly.

[0008] The effects achieved by the above components are: by setting up a first support rod, and the first support rod is hinged to the connecting plate, the first support rod can be rotated relative to the connecting plate; by setting up a support frame, and the support frame is hinged to the first support rod, the support frame can be rotated relative to the first support rod; by setting up a rotating assembly and a second support rod, the second support rod can be rotated through the rotating assembly; one end of the support frame is rotatably connected to the base assembly, so that the support frame can be rotated relative to the base assembly.

[0009] Preferably, the latch is arranged at the lower end of the first support rod; a connecting column is arranged in the latch; one end of the steel cable is connected to the connecting column; a slide groove is arranged in the latch; a limiting column is arranged inwardly of the first support rod; the limiting column passes through the latch and is arranged in the slide groove.

[0010] The effects achieved by the above components are: by setting a connecting column, the steel cable is fixed; by setting a sliding groove and a limiting column, the latch can slide within the first support rod.

[0011] Preferably, a socket is arranged on the base assembly; and a socket matching the socket is arranged at the bottom of the plug.

[0012] The effect achieved by the above components is that the bracket assembly is locked by arranging the green tea space and the socket.

[0013] Preferably, the unlocking assembly includes: a fixing seat, which is arranged in the cross bar assembly; a pressing part, which is arranged below the fixing seat; a steel cable seat, which is supported in the fixing seat; an unlocking part, which is arranged between the fixing seat and the pressing part; and the other end of the steel cable is connected to the steel cable seat.

[0014] The effects achieved by the above components are: a pressing part is provided for the user to press to fold or unfold, and a steel cable seat is provided to fix the steel cable, and the steel cable seat is provided in the fixing seat, thereby improving the stability of the structure; an unlocking part is provided, which acts as a second lock to prevent the user from accidentally touching the pressing part to cause the frame body to fold and cause danger.

[0015] Preferably, the rotating assembly includes a first rotating seat and a second rotating seat; the first rotating seat is connected to a first support rod; the second rotating seat is connected to a second support rod; and a linkage is arranged between the first rotating seat and the second rotating seat.

[0016] The effects achieved by the above components are: a first rotating seat and a second rotating seat are provided to achieve a better rotating effect; and a linkage member is provided to link the steel cable to perform an upward lifting action.

[0017] Preferably, the crossbar assembly includes a crossbar main body and a handle; the unlocking assembly is arranged on the crossbar main body; the handle is arranged at both ends of the crossbar main body and connected to the second support rod.

[0018] The effects achieved by the above components are as follows: By providing the crossbar main body and the handle, it enables users to perform pushing and pulling operations better.

[0019] Preferably, the base assembly includes a base frame and rollers arranged on the base frame; the rollers are arranged on the base frame through roller frames; one end of the support frame is connected to the roller frame.

[0020] The effects achieved by the above components are as follows: By providing the base frame, it plays a role in fixing; by providing the rollers, it facilitates movement; one end of the support frame is connected to the roller frame, enabling the support frame to rotate relative to the roller frame.

[0021] Preferably, a seat unit is arranged on the vehicle frame main body.

[0022] The effects achieved by the above components are as follows: The seat unit is provided for infants and young children to sit on.

[0023] Preferably, an armrest assembly is hinged on the first support rod and the second support rod; a pull rod unit is arranged below the chassis assembly; the pull rod unit includes a pull rod frame and a pull rod main body; the pull rod main body is slidably connected to the pull rod frame.

[0024] The effects achieved by the above components are as follows: By providing the armrest assembly, it can prevent infants and young children from falling during use, playing a protective role, and the armrest assembly can also be folded and unfolded along with the vehicle frame main body; by providing the pull rod frame for placing the pull rod main body, and by providing the pull rod main body, it is convenient to move the vehicle frame main body when the vehicle frame main body is folded.

[0025] Compared with the prior art, the advantages of the present utility model are as follows: By providing a connecting piece for connecting between the bracket assembly and the base assembly, by providing the crossbar assembly, allowing users to hold and perform pushing and pulling; by providing an unlocking assembly for folding or unfolding the bracket assembly, and by connecting a bolt and a steel cable, it plays a role in linkage for folding the vehicle frame main body. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a schematic structural diagram of the present utility model;

[0027] Figure 2 is the sectional structural view of the present utility model along Figure 1 section line A-A;

[0028] Figure 3 is of the present utility modelFigure 2 Schematic enlarged view of the structure at point B;

[0029] Figure 4 Schematic exploded view of the bracket assembly of the present utility model;

[0030] Figure 5 Rear view of the main frame structure of the present utility model;

[0031] Figure 6 Schematic exploded view of the unlocking assembly of the present utility model;

[0032] Figure 7 Schematic view of the folding or opening process 1 of the present utility model;

[0033] Figure 8 Schematic view of the folding or opening process 2 of the present utility model;

[0034] Figure 9 Schematic view of the folding or opening process 3 of the present utility model;

[0035] Figure 10 Schematic view of the folding or opening process 4 of the present utility model;

[0036] Figure 11 Schematic view of the process of unfolding and / or folding the main frame of the present utility model.

[0037] Reference numerals: 1, main frame; 11, connecting piece; 12, seat unit; 2, base assembly; 21, jack; 22, base frame; 23, roller; 24, roller frame; 3, bracket assembly; 31, first support rod; 32, support frame; 33, second support rod; 34, rotating assembly; 35, first rotating seat; 36, second rotating seat; 37, limiting post; 38, linkage; 4, crossbar assembly; 41, crossbar main body; 42, handle; 5, unlocking assembly; 51, steel cable; 52, fixed seat; 53, pressing part; 54, steel cable seat; 55, unlocking part; 6, bolt; 61, connecting column; 62, chute; 63, socket; 7, armrest assembly; 8, pull rod unit; 81, pull rod frame; 82, pull rod main body. Detailed implementation manners

[0038] The following will disclose multiple implementation manners of the present utility model with diagrams. For the sake of clarity, many practical details will be described together in the following narrative. However, it should be understood that these practical details should not be used to limit the present utility model. That is to say, in some implementation manners of the present utility model, these practical details are not necessary. In addition, for the purpose of simplifying the diagrams, some conventional structures and components will be illustrated in a simple schematic manner in the diagrams.

[0039] It should be noted that all directional indications in the embodiments of the present utility model, such as up, down, left, right, front, back, etc., are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the attached drawings). If this specific posture changes, the directional indications will also change accordingly.

[0040] Moreover, in addition to being able to represent orientation or positional relationship, some of the above terms may also be used to represent other meanings. For example, the term "up" may also be used to represent a certain attachment relationship or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in the present utility model can be understood according to specific circumstances.

[0041] In addition, the terms "install", "set", "provided with", "connect", "connected", "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or there can be internal communication between two devices, elements, or components. The connection methods involved herein are prior arts and have not been improved, and all belong to the common knowledge of those skilled in the art. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0042] In addition, in the present utility model, descriptions such as "first", "second", etc. are only for descriptive purposes, and do not particularly refer to the order or sequence, nor are they used to limit the present utility model. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model.

[0043] As Figures 1 to 6 shown, the present utility model provides

[0044] A folding baby stroller, comprising a main frame body 1, on which a base assembly 2 is arranged; at any position on the base assembly 2, a bracket assembly 3 is arranged through a connecting piece 11; at the upper end of the bracket assembly 3, a crossbar assembly 4 is provided; at the bottom of the bracket assembly 3, a bolt 6 is provided; at any position on the crossbar assembly 4, an unlocking assembly 5 is arranged; on the unlocking assembly 5, a steel cable 51 is provided, passing through the crossbar assembly 4 and connecting with the bracket assembly 3 at the bolt 6; the bracket assembly 3 is unfolded or folded through the cooperation of the unlocking assembly 5 and the bolt 6. By providing the connecting piece 11 for connecting between the bracket assembly 3 and the base assembly 2, by providing the crossbar assembly 4, the user can hold and push or pull; the unlocking assembly 5 is provided for folding or unfolding the bracket assembly 3, and by providing the connection between the bolt 6 and the steel cable 51, it plays a linkage role in folding the main frame body 1.

[0045] The bracket assembly 3 includes: a first support rod 31, the bottom of the first support rod 31 is hinged to the connecting piece 11; a support frame 32, at any position on the support frame 32 is hinged to the first support rod 31: a rotating assembly 34, the rotating assembly 34 is arranged at the upper end of the first support rod 31: a second support rod 33, the second support rod 33 is arranged at the upper end of the first support rod 31 through the rotating assembly 34; one end of the support frame 32 is rotatably connected to the base assembly 2. By providing the first support rod 31, and the first support rod 31 is hinged to the connecting piece 11, the first support rod 31 can rotate relative to the connecting piece 11; by providing the support frame 32, and the support frame 32 is hinged to the first support rod 31, the support frame 32 can rotate relative to the first support rod 31; by providing the rotating assembly 34 and the second support rod 33, the second support rod 33 can rotate through the rotating assembly 34; one end of the support frame 32 is rotatably connected to the base assembly 2, so that the support frame 32 can rotate relative to the base assembly 2.

[0046] The bolt 6 is arranged at the lower end of the first support rod 31; a connecting column 61 is arranged inside the bolt 6; one end of the steel cable 51 is connected to the connecting column 61; a chute 62 is arranged inside the bolt 6; a limiting column 37 is arranged inwardly on the first support rod 31; the limiting column 37 passes through the bolt 6 and is arranged in the chute 62. By providing the connecting column 61, it is used to fix the steel cable 51; by providing the chute 62 and the limiting column 37, the bolt 6 can be limited and slide inside the first support rod 31.

[0047] On the base assembly 2, a jack 21 is arranged; at the bottom of the bolt 6, a socket 62 is arranged to cooperate with the jack 21. By providing the jack and the socket 62, it plays a locking role for the bracket assembly 3.

[0048] The unlocking assembly 5 includes: a fixed seat 52 disposed within the crossbar assembly 4; a pressing portion 53 disposed below the fixed seat 52; a cable seat 54 supported within the fixed seat 52; an unlocking portion 55 disposed between the fixed seat 52 and the pressing portion 53; and the other end of the cable 51 is connected to the cable seat 54. By providing the pressing portion 53, it is used for the user to press for folding or unfolding. By providing the cable seat 54, it plays a role in fixing the cable 51, and the cable seat 54 is disposed within the fixed seat 52, improving the structural stability; the unlocking portion 55 is provided to act as a secondary lock to prevent the user from accidentally touching the pressing portion 53 and causing the frame body 1 to fold, thus avoiding danger.

[0049] The rotating assembly 34 includes a first rotating seat 35 and a second rotating seat 36; the first rotating seat 35 is connected to the first support rod 31; the second rotating seat 36 is connected to the second support rod 33; and a linkage member 38 is arranged between the first rotating seat 35 and the second rotating seat 36. By providing the first rotating seat 35 and the second rotating seat 36, the rotating effect is better; by providing the linkage member 38, when folding, it plays a role in lifting the cable 51 to prevent the cable 51 from breaking when rotating and folding, thus affecting the user's use.

[0050] The crossbar assembly 4 includes a crossbar main body 41 and a handle 42; the unlocking assembly 5 is disposed on the crossbar main body 41; and the handle 42 is disposed at both ends of the crossbar main body 41 and is connected to the second support rod 33. By providing the crossbar main body 41 and the handle 42, it enables the user to perform pushing and pulling operations better.

[0051] The base assembly 2 includes a base frame 22 and rollers 23 disposed on the base frame 22; the rollers 23 are disposed on the base frame 22 through roller frames 24; and one end of the support frame 32 is connected to the roller frame 24. By providing the base frame 22, it plays a role in fixing, and by providing the rollers 23, it facilitates movement; one end of the support frame 32 is connected to the roller frame 24, enabling the support frame 32 to rotate relative to the roller frame 24.

[0052] A seat unit 12 is provided on the frame body 1. The seat unit 12 is provided for infants and young children to sit on.

[0053] An armrest assembly 7 is hinged to the first support rod 31 and the second support rod 33; a pull rod unit 8 is arranged below the chassis assembly 2; the pull rod unit 8 includes a pull rod frame 81 and a pull rod body 82; the pull rod body 82 is slidably connected to the pull rod frame 81. By providing the armrest assembly 7, it can prevent infants and young children from falling during use and play a protective role. The armrest assembly 7 can also be folded and unfolded following the folding and unfolding of the vehicle frame body. The pull rod frame 81 is provided for placing the pull rod body 82, and the pull rod body 82 is provided for facilitating the movement of the vehicle frame body 7 when the vehicle frame body 7 is folded. Specific embodiment

[0054] When the user chooses to fold the vehicle frame body 1, at this time, the user can press and unlock the unlocking part 55, and then press the pressing part 53. At this time, the pressing part 53 will move upward and lift the cable seat 54 upward. At this time, the provided cable 51 will move upward along with the cable seat 54, and then lift the pin 6 out of the jack 21; then it can be folded forward towards the seat unit 12. Because the connecting piece 11 is provided, the first support rod 31 will rotate backward relative to the connecting piece 11, the support frame 32 will be folded downward, and the second support rod 33 will be folded forward through the rotating assembly 34 to facilitate folding the vehicle frame body 1; when the user needs to open it, only need to pull up the push rod assembly upward, the first support rod 31 will rotate forward, the second support rod 33 will rotate backward through the rotating assembly 34, the support frame 32 will rotate upward, and then the socket 62 provided on the pin 6 will return to the jack 21 to play a locking role.

[0055] When folding or unfolding, the end of the connecting piece 11 connected to the first support rod 31 will rotate, thereby driving the first support rod 31 to rotate; the connection between the first support rod 31 and the support frame 32 will also rotate, the connection between the support frame 32 and the roller frame 24 will also rotate, and the rotating assembly 34 will also drive the second support rod 33 to rotate, so as to achieve the function of four-point rotation for folding or unfolding the vehicle.

[0056] In the description of this specification, reference terms such as "one embodiment", "some embodiments", "example", "specific example"

[0057] Descriptions such as "example" or "some examples" mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0058] The standard parts used in the present utility model can all be purchased from the market. The special-shaped parts can be customized according to the descriptions in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, welding, and pasting, which are mature in the prior art, and will not be elaborated here.

[0059] The above content is only a preferred embodiment of the present utility model. For those of ordinary skill in the art, various changes and modifications can be made in the specific implementation manners and application scopes according to the idea of the present utility model. The content of this specification should not be construed as a limitation of the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model should be included within the scope of the claims of the present utility model.

Claims

1. A foldable baby stroller, comprising a frame body, characterized in that: A base assembly is arranged on the frame body; a bracket assembly is arranged at any position on the base assembly through a connecting piece; a cross bar assembly is arranged at the upper end of the bracket assembly; a latch is arranged at the bottom of the bracket assembly; an unlocking assembly is arranged at any position on the cross bar assembly; a steel cable is arranged on the unlocking assembly, passes through the cross bar assembly and is connected to the bracket assembly and the latch; the bracket assembly is unfolded or folded through the cooperation of the unlocking assembly and the latch.

2. A foldable baby stroller according to claim 1, characterized in that: The bracket assembly comprises: A first support rod, wherein the bottom of the first support rod is hinged to the connecting piece; A support frame, wherein any position of the support frame is hinged to the first support rod: A rotating assembly, the rotating assembly being arranged at the upper end of the first support rod: A second support rod, the second support rod being arranged at an upper end of the first support rod through a rotating assembly; One end of the support frame is rotatably connected to the base assembly.

3. A foldable baby stroller according to claim 2, characterized in that: The latch is arranged at the lower end of the first support rod; a connecting column is arranged inside the latch; one end of the steel cable is connected to the connecting column; a slide groove is arranged inside the latch; a limiting column is arranged inwardly of the first support rod; the limiting column passes through the latch and is arranged in the slide groove.

4. A foldable baby stroller according to claim 3, characterized in that: The base assembly is provided with a socket; the bottom of the plug is provided with a socket matched with the socket.

5. A foldable baby stroller according to claim 3, characterized in that: The unlocking component comprises: A fixing seat, the fixing seat being arranged in the crossbar assembly; A pressing portion, the pressing portion being arranged below the fixing seat; A steel cable seat, wherein the steel cable seat is in a fixed seat; An unlocking portion, the unlocking portion being arranged between the fixing seat and the pressing portion; The other end of the steel cable is connected to the steel cable seat.

6. A foldable baby stroller according to claim 2, characterized in that: The rotating assembly includes a first rotating seat and a second rotating seat; the first rotating seat is connected to a first supporting rod; the second rotating seat is connected to a second supporting rod; and a linkage is arranged between the first rotating seat and the second rotating seat.

7. A foldable baby stroller according to claim 5, characterized in that: The crossbar assembly comprises a crossbar body and a handle; the unlocking assembly is arranged on the crossbar body; the handle is arranged at both ends of the crossbar body and connected to the second support rod.

8. The foldable baby stroller according to claim 2, characterized in that: The base assembly comprises a base frame and a roller arranged on the base frame; the roller is arranged on the base frame through the roller frame; and one end of the support frame is connected to the roller frame.

9. The foldable baby stroller according to claim 1, characterized in that: A seat unit is arranged on the frame body.

10. The foldable baby stroller according to claim 2, characterized in that: The first support rod and the second support rod are hinged with an armrest assembly; a pull rod unit is arranged below the base assembly; the pull rod unit includes a pull rod frame and a pull rod body; the pull rod body is slidably connected to the pull rod frame.