Multifunctional buggy
The multifunctional children's vehicle addresses the challenge of parental control by converting between twisting car and baby stroller modes through a frame with a latch locking assembly and hidden push rod, ensuring ease of operation and stability.
Patent Information
- Application Number
- CN202420143148.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-19
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-01-19
AI Technical Summary
Existing twisting cars require manual operation by children, limiting parental control and convenience when children tire of playing, necessitating a design that converts the car into a baby stroller for easy transportation.
A multifunctional children's vehicle with a frame, handle, and rear wheels that can be locked or unlocked via a latch locking assembly, allowing conversion between a twisting car and baby stroller modes, facilitated by a push rod that can be hidden within the frame and equipped with spring buckles for easy operation and stability.
Enables easy conversion between twisting car and baby stroller modes, enhancing parental control and convenience, with the push rod's hidden design optimizing space utilization and the spring buckles providing ease of use and stability.
Smart Images
Figure CN222157698U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of children's vehicle structures, in particular to a multifunctional children's vehicle. Background Art
[0002] The twisting car, also known as the swinging car, can be driven by shaking the steering wheel left and right with your hands. Its driving principle adopts the centrifugal law and the curve force law. It does not require electricity, fuel or spring drive and can move freely. It combines environmental protection, entertainment and fitness. It is deeply loved by children. Because the body of the car is low to the ground, it is also safer to use and is widely used in various parent-child activities or children's entertainment and leisure activities.
[0003] When the twisting car is driving, children need to twist the handlebars with their bodies, and then drive the car body to move by twisting the front wheel assembly. In addition, when the twisting car is controlled by the child, its rear seat wheels need to remain in the forward state and cannot swing left and right. If a push rod is inserted at the rear end of the twisting car to control the forward direction, when the parent pushes the twisting car from behind with the push rod, the forward direction of the twisting car cannot be controlled by the parent because the rear wheels of the car body cannot swing. Therefore, it is often seen that after the children are tired of playing, the parents carry the twisting car home. Therefore, how to design the twisting car into a baby stroller is a research and development direction of this product. Summary of the invention
[0004] The utility model aims to provide a multifunctional children's vehicle which has a stable structure and is easy to operate.
[0005] The purpose of the utility model is achieved in this way:
[0006] A multifunctional children's car comprises a frame, a seat is arranged on the frame; a handle is arranged at the front end of the frame, the handle is connected to the front wheel assembly through a rotating shaft, and the wheels on both sides of the front wheel assembly swing left and right when the handle is turned; rear wheels are arranged on both sides of the rear end of the frame; the rear wheels are rotatably arranged on the frame through a rear wheel bracket, and a latch locking assembly is arranged between the frame and the rear wheel bracket, and the latch locking assembly is driven to lock the rear wheel bracket and keep the rear wheel in the forward direction; after the rear wheel bracket is locked, the children's car is in a twisting car state, and the handle is turned to swing the front wheel assembly to drive the children's car to travel;
[0007] The middle part of the frame is a tube body, which is hollow. The push rod can be extended into the hollow tube body and hidden. The push rod can be taken out and inserted into a socket behind the frame or behind the seat; the latch locking assembly is released, the rear wheel bracket is not constrained by the latch locking assembly, the rear wheel bracket can rotate, and the child stroller is in a baby stroller state, and the child stroller travels under the push of the push rod.
[0008] The push rod is provided with a first spring buckle, and the side of the tube body is provided with a hole or a groove. The push rod is extended into the tube body to a specified position, and the first spring buckle can bite the hole or the groove of the tube body.
[0009] The push rod is provided with a second spring buckle, and the side of the plug hole is provided with a hole or a groove. When the push rod is extended into the plug hole to a specified position, the second spring buckle can bite the hole or the groove of the plug hole.
[0010] The lower end of the push rod is provided with a push piece, and the push piece is provided with an elastic piece, and the elastic piece gives the push piece a force to protrude the push rod; the push rod extends into the tube body or the jack and reaches a designated position, and the push piece retracts into the push rod.
[0011] The invention comprises a fixing seat and a cover, wherein an installation chamber is formed between the fixing seat and the cover, a pushing member and a spring are placed in the installation chamber, and an elastic member acts on the pushing member and allows a protruding part of the pushing member to pass through the fixing seat.
[0012] A trumpet-shaped constriction is arranged inside the tube body, and the lower end of the push rod is limited at the bottom of the constriction.
[0013] The latch locking assembly comprises a latch which is movably arranged in the frame. The latch is driven so as to extend into a hole of the rear wheel bracket, thereby realizing rotation limitation between the rear wheel bracket and the frame.
[0014] The invention comprises a pushing member which is threadedly connected to the frame, an elastic member which applies force to the latch and keeps the latch away from the hole of the rear wheel bracket; the pushing member is rotated to push the latch into the hole.
[0015] A cover cap is fixed on the frame, and the pusher rotates to the highest position, and the pusher abuts against the cover cap. At the same time, the latch is separated from the hole of the rear wheel bracket under the action of the elastic member, and the rear wheel bracket can rotate.
[0016] It comprises a latch seat, on which at least two latches are arranged, and the pushing member and the latch seat are face-to-face abutted under the action of the elastic member.
[0017] Compared with the prior art, the utility model has the following outstanding and beneficial technical effects:
[0018] 1. The utility model has at least the following advantages: Advantage 1: The push rod can be hidden in the hollow tube of the frame. When the user needs to push the baby stroller, the push rod can be taken out and inserted into the jack behind the frame or the seat. Advantage 2: The baby stroller has two forms. Form 1, twisting car state; drive the latch locking assembly, the rear wheel bracket is locked and the wheel remains in the forward direction; after the rear wheel bracket is locked, the baby stroller forms a twisting car state, turn the handle, and the front wheel assembly swings to drive the baby stroller to travel. Form 2, baby stroller state; release the latch locking assembly, the rear wheel bracket is not constrained by the latch locking group, the rear wheel bracket can rotate, the baby stroller forms a baby stroller state, and the baby stroller travels under the push of the push rod. In this way, the baby stroller is more functional and allows parents to control the baby stroller more conveniently.
[0019] 2. The lower end of the push rod of the utility model is provided with a push piece, and an elastic piece is provided on the push piece, and the elastic piece gives the push piece a force to protrude the push rod. When the user needs to take the push rod out of the tube body or the socket, the push piece gives the push rod a force to move away from the tube body or the socket, giving the user a boost, making it convenient for the user to pull out the push rod. Moreover, when the push rod is installed on the tube body or the socket, the push piece, under the action of the elastic piece, makes the connection between the two tighter, which is conducive to reducing shaking and improving the user experience.
[0020] 3. The user can control whether the rear wheel bracket can rotate relative to the frame by controlling whether the latch and the hole of the rear wheel bracket are plugged in. Preferably, the user achieves this requirement by rotating the pusher, which is easy for the user to operate.
[0021] 4. The inner side of the tube body of the utility model is provided with a trumpet-shaped constriction, and the lower end of the push rod is limited at the bottom of the constriction. The push rod is limited by the lock buckle, and the push rod is pushed into the tube body and enters the bottom of the constriction along the constriction and is limited, thereby ensuring the stability of the built-in state of the push rod. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 This is one of the structural schematic diagrams of the push rod in the built-in state of the utility model;
[0023] Figure 2 This is the second structural schematic diagram of the push rod in the built-in state of the utility model;
[0024] Figure 3 It is a schematic diagram of the internal structure of the push rod of the utility model in the built-in state;
[0025] Figure 4 yes Figure 3 A schematic diagram of the enlarged structure at point A;
[0026] Figure 5 This is one of the internal structure schematic diagrams of the rear wheel part of the utility model;
[0027] Figure 6 This is the second schematic diagram of the internal structure of the rear wheel part of the utility model;
[0028] Figure 7 This is one of the structural schematic diagrams of the push rod in the external state of the utility model;
[0029] Figure 8 It is a schematic diagram of the internal structure of the utility model in which the push rod is externally arranged;
[0030] Fig. 9 yes Figure 7 A schematic diagram of the enlarged structure at B;
[0031] Fig.10 This is the second structural schematic diagram of the push rod in the external state of the utility model;
[0032] Fig.11 It is a schematic diagram of the exploded structure of the push rod part of the utility model;
[0033] Fig.12 yes Fig.11 It is a schematic diagram of the enlarged structure at C;
[0034] Fig.13 It is one of the exploded structural schematic diagrams of the frame part of the utility model;
[0035] Fig.14 yes Fig.13 A schematic diagram of the structure at D of FIG.
[0036] Fig.15 This is the second exploded structural diagram of the frame part of the utility model;
[0037] Fig.16 yes Fig.15 Enlarged structural diagram at E.
[0038] In the figure: 1-frame; 11-seat; 111-jack; 112-jack hole; 12-tube hole; 13-tube; 131-neck; 18-bearing; 19-threaded section; 2-front wheel assembly; 21-front wheel bracket; 22-front wheel; 3-handle; 31-spindle; 4-rear wheel assembly; 41-rear wheel bracket; 411-hole; 42-rear wheel;
[0039] 43-pushing member; 44-covering cap; 45-bolt; 5-push rod; 51-handshake; 511-first spring buckle; 52-fixing seat; 53-covering cap; 54-pushing member; 55-second spring buckle; 6-latch seat; 61-latch; 9-spring. DETAILED DESCRIPTION
[0040] The present invention will be further described below with reference to the accompanying drawings. Figure 1-16 As shown:
[0041] A multifunctional children's car, comprising a frame 1, with a seat 11 arranged above the frame; a handle 3 is arranged at the front end of the frame 1, and the handle 3 is connected to a front wheel assembly 2 through a rotating shaft 31. When the handle 3 is turned, the wheels on both sides of the front wheel assembly 2 swing left and right. The front wheel assembly 2 comprises a front wheel bracket 21 and a front wheel 22. At least front wheels on both sides of the rear and at least one front front wheel are arranged on the front wheel bracket 21. When used as a twisting car, the children's car is driven forward by the left and right movement of the front wheels. The twisting car is already a mature product, and the front wheel assembly can adopt any common structure of twisting cars on the market. Rear wheel assemblies 4 are arranged on both sides of the rear end of the frame 1, and the rear wheel assembly 4 includes a rear wheel bracket 41 and a rear wheel 42; the rear wheel 42 of the frame 1 is rotatably arranged on the frame 1 through the rear wheel bracket 41, and a latch locking assembly is arranged between the frame 1 and the rear wheel bracket 41, and the latch locking assembly is driven, the rear wheel bracket 41 is locked and the rear wheel is kept in the forward direction; after the rear wheel bracket 41 is locked, the child car forms a twisting car state, and the handle 3 is turned, the front wheel assembly 2 swings to drive the child car to travel; the middle part of the frame 1 is a tube body 13, the tube body 13 is hollow, and the push rod 5 can be extended into the hollow tube body 13 and hidden, and the push rod 5 is taken out and inserted into the socket 111 behind the frame or behind the seat; the latch locking assembly is released, the rear wheel bracket 41 is not constrained by the latch locking assembly, the rear wheel bracket 41 can be rotated, the child car forms a baby stroller state, and the child car travels under the push of the push rod 5. The user controls the latch 61 of the latch locking assembly to control whether the rear wheel can rotate relative to the frame, thereby realizing the conversion between the baby stroller and the twisting stroller. The user only needs to control the latch locking assembly, which is easy to operate. In addition, the push rod can be hidden in the hollow tube of the frame, and the hidden structure effectively utilizes the space.
[0042] The handle 51 of the push rod 5 is provided with a first spring buckle 511, and the side of the tube body 13 is provided with a tube body hole 12 or a groove. When the push rod 5 is inserted into the tube body to a specified position, the first spring buckle 511 can engage with the tube body hole 12 or the groove. The push rod 5 is provided with a second spring buckle 55, and the side of the plug hole 111 is provided with a plug hole 112 or a groove. When the push rod is inserted into the plug hole to a specified position, the second spring buckle 55 can engage with the plug hole 112 or the groove. The setting of the spring buckle is a simple technique for those skilled in the art, and can be shown in the attached figure. Fig.11 As shown, the first spring buckle integrally formed on the handshake may also be a structure of a marble and a spring.
[0043] The lower end of the push rod 5 is provided with a push member 54, and an elastic member is provided on the push member 54, and the elastic member gives the push member 54 a force to protrude the push rod 5; the push rod 54 extends into the tube body or the jack and reaches the specified position, and the push member 54 retracts into the push rod 5. The push member serves as a booster, allowing the user to take out the push rod more easily. Preferably, the elastic member can be a common component such as a spring and soft rubber. It includes a fixed seat 52 and a cover 53, and an installation chamber is formed between the fixed seat 52 and the cover 53. The push member 54 and the spring 9 are placed in the installation chamber, and the elastic member acts on the push member 54 and allows the protruding part of the push member to pass through the fixed seat 52. This structure is convenient for manufacturers to assemble, and the push member 54 and the spring 9 are first encapsulated in the chamber between the fixed seat 52 and the cover 53, and then the whole is fixed to the end of the push rod 5.
[0044] A trumpet-shaped constriction 131 is provided inside the tube body 13, and the lower end of the push rod 5 is limited at the bottom of the constriction 131. The constriction 131 guides the inserted push rod 5 and limits the end of the push rod, so that the push rod 5 is stably placed in the tube body 13.
[0045] The latch locking assembly includes a latch 61, which is movably disposed in the frame 1. When the latch 61 is driven, the latch 61 extends into the hole 411 of the rear wheel bracket, thereby realizing the rotation limit between the rear wheel bracket 41 and the frame 1. There are many schemes for driving the latch 61 to extend into the hole 411: Scheme 1: A spring acts on the latch, and the spring gives the latch a force to extend into the hole. The user can directly pull the latch out of the hole or indirectly pull the latch out of the hole through a connecting rod structure, so that the rear wheel bracket can rotate relative to the frame. Scheme 2: If Figure 5 and Figure 6 As shown, it includes a pusher 54, which is threadedly connected to the threaded section 19 of the frame 1, and the elastic member applies force to the latch 61 and keeps the latch 61 away from the hole 411 of the rear wheel bracket; the pusher 54 is rotated, and the pusher 54 pushes the latch 61 into the hole 411. The rear wheel bracket 41 and the frame 1 are fixed by bolts 45 to achieve rotational connection, and a bearing 18 can also be set at the connection position.
[0046] The cover cap 44 is fixed on the frame 1, and the pusher 54 rotates to the highest position, and the pusher 54 abuts against the cover cap 44. At the same time, the latch 61 has been separated from the hole 411 of the rear wheel bracket under the action of the elastic member, and the rear wheel bracket 41 can rotate. By providing the cover cap 44, the pusher 54 is prevented from being separated from the frame 1, and the user is given an indication of being in position.
[0047] The latch seat 6 includes at least two latches 61, and the pusher 54 and the latch seat 6 are face-to-face abutted under the action of the elastic member. The face-to-face abutment makes the connection between the two more stable, and the multiple latches 61 are simultaneously limited, making the structure more stable. The latch 61 and the latch seat 6 can be an integrally formed structure, and the latch can also be an independent component, and the latch is tightly matched or fixed on the latch seat.
[0048] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.
Claims
1. A multifunctional children's vehicle, comprising a frame (1), a seat (11) being arranged above the frame (1); a handle (3) being arranged at the front end of the frame (1), the handle (3) being connected to a front wheel assembly (2) via a rotating shaft (31), and the wheels on both sides of the front wheel assembly swing left and right when the handle (3) is rotated; rear wheels (42) are arranged at both sides of the rear end of the frame (1); the characteristics are: The rear wheel (42) is rotatably arranged on the frame (1) via a rear wheel bracket (41); a latch locking assembly is arranged between the frame (1) and the rear wheel bracket (41); by driving the latch locking assembly, the rear wheel bracket (41) is locked and the rear wheel is kept in the forward direction; after the rear wheel bracket (41) is locked, the baby carriage is in a twisting state; by turning the handle (3), the front wheel assembly swings, thereby driving the baby carriage to travel; The middle part of the frame (1) is a tube body (13), which is hollow. The push rod (5) can be inserted into the hollow tube body (13) and hidden. The push rod (5) is taken out and inserted into a plug hole (111) at the rear of the frame or the rear of the seat. The latch locking assembly is released, and the rear wheel bracket (41) is not constrained by the latch locking assembly. The rear wheel bracket (41) can rotate, and the child stroller is in a baby stroller state. The child stroller travels under the push of the push rod.
2. The multifunctional children's vehicle according to claim 1, characterized in that: The push rod (5) is provided with a first spring buckle (511), and the side of the tube body (13) is provided with a hole or a groove. When the push rod (5) is extended into the tube body to a specified position, the first spring buckle can engage with the hole or groove of the tube body.
3. The multifunctional children's vehicle according to claim 2, characterized in that: The push rod (5) is provided with a second snap button (55), and a hole or a groove is provided on the side of the plug hole. When the push rod (5) is extended into the plug hole to a specified position, the second snap button (55) can engage with the hole or the groove of the plug hole.
4. The multifunctional children's vehicle according to claim 1, 2 or 3, characterized in that: The lower end of the push rod (5) is provided with a pushing member (54), and an elastic member is provided on the pushing member (54), and the elastic member gives the pushing member (54) a force to protrude from the push rod (5); when the push rod (5) extends into the tube body or the insertion hole and reaches a designated position, the pushing member (54) retracts into the push rod (5).
5. The multifunctional children's vehicle according to claim 4, characterized in that: The invention comprises a fixing seat (52) and a cover (53), wherein an installation chamber is formed between the fixing seat (52) and the cover (53), a pushing member (54) and an elastic member are placed in the installation chamber, and the elastic member acts on the pushing member (54) and allows the protruding portion of the pushing member to pass through the fixing seat (52).
6. The multifunctional children's vehicle according to claim 1, 2, 3 or 5, characterized in that: A trumpet-shaped constriction (131) is provided inside the tube body (13), and the lower end of the push rod (5) is limited at the bottom of the constriction (131).
7. The multifunctional children's vehicle according to claim 1, 2, 3 or 5, characterized in that: The latch locking assembly comprises a latch (61) which is movably arranged in the frame (1). The latch (61) is driven so that the latch (61) extends into a hole (411) of the rear wheel bracket, thereby achieving rotational limiting between the rear wheel bracket (41) and the frame (1).
8. The multifunctional children's vehicle according to claim 7, characterized in that: The invention comprises a pushing member (54) which is threadedly connected to a frame (1); an elastic member applies a force to a latch (61) and keeps the latch (61) away from a hole (411) of a rear wheel bracket; and the pushing member (54) is rotated so that the pushing member (54) pushes the latch (61) into the hole (411).
9. The multifunctional children's vehicle according to claim 8, characterized in that: A cover cap (44) is fixed on the frame (1), and the pusher (54) rotates to the highest position, the pusher (54) abuts against the cover cap (44), and at the same time, the latch (61) is separated from the hole (411) of the rear wheel bracket under the action of the elastic member, and the rear wheel bracket (41) can rotate.
10. The multifunctional children's vehicle according to claim 8 or 9, characterized in that: It comprises a latch seat (6), on which at least two latches (61) are arranged, and the pusher (54) and the latch seat (6) are in face-to-face contact with each other under the action of an elastic member.