Multifunctional child dining chair with rear leg folding structure

By designing a multifunctional children's dining chair with a folding rear leg structure, the problems of traditional children's dining chairs being bulky and prone to bumping into each other have been solved. This design enables quick unfolding and folding, improving stability and safety, and extending service life.

CN224219809UActive Publication Date: 2026-05-12NINGBO HUANBEI BABY PRODUCTS MANUFACTURING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NINGBO HUANBEI BABY PRODUCTS MANUFACTURING CO LTD
Filing Date
2025-04-11
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

Traditional children's high chairs take up a lot of space, are prone to bumps and falls, and are not easy to organize, posing safety hazards.

Method used

Design a multifunctional children's dining chair with a folding rear leg structure. Through the cooperation of folding handles, handle hooks, locking blocks and locking slots, the dining chair can be quickly unfolded and folded. The design of the large joint rotation axis and locking slot of the rear leg ensures the stability and safety of the dining chair during use.

Benefits of technology

It enables children's high chairs to unfold and retract quickly, preventing accidental retraction, improving stability and safety, and enhancing the sealing and aesthetics of the connecting parts.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a multifunctional child dining chair with a rear leg folding structure, and relates to the technical field of child dining chairs. The rear leg assembly comprises a rear leg, a front leg, a rear leg large joint block and a large joint inner shell, the front leg is inserted into one side of the bottom of the large joint inner shell, a large joint outer cover is fixed to one side of the large joint inner shell through a screw, a folding handle slides in the large joint outer cover, a spring bolt sliding groove is formed in one side of the bottom of the large joint inner shell, and a spring bolt is arranged in the spring bolt sliding groove. Two sets of handle clamping hooks are fixed to the side, close to the spring bolt block, of the folding handle, a spring bolt clamping groove is formed in the spring bolt block, a spring is fixed to the end, close to the interior of the spring bolt sliding groove, of the spring bolt block, and the other end of the spring is fixedly connected with the spring bolt sliding groove. The child dining chair can be folded and unfolded, a good limiting function is provided when the child dining chair is unfolded, and therefore the child dining chair is effectively prevented from being accidentally retracted in the using process, and meanwhile the chair legs of the child dining chair can be rapidly disassembled.
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Description

Technical Field

[0001] This utility model relates to the field of children's dining chair technology, specifically a multifunctional children's dining chair with a folding rear leg structure. Background Technology

[0002] Children's high chairs are designed specifically for children, aiming to provide a safe and comfortable dining environment. They help children develop good eating habits, allowing them to sit in their own high chair and focus on eating, avoiding running around or parents chasing after them to feed them. At the same time, they facilitate children's meals with their families, enhancing parent-child interaction. They are a great helper in ensuring children's safety and promoting their healthy growth during family meals.

[0003] However, traditional children's high chairs are usually placed directly inside the home. Because children's high chairs have many auxiliary protective functions, they take up a lot of space and are not easy to organize. Their large footprint can also cause people around them to bump into them and get injured. Utility Model Content

[0004] Based on this, the purpose of this utility model is to provide a multifunctional children's dining chair with a folding rear leg structure, which can quickly unfold and retract the children's dining chair, and provides a good limiting function when unfolding, thereby preventing the children's dining chair from accidentally retracting during use and causing injury to the children. At the same time, the legs of the children's dining chair can be quickly disassembled.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a multifunctional children's dining chair with a folding rear leg structure, comprising a rear leg, a front leg, a rear leg joint block, and a joint inner shell. The front leg is inserted into one side of the bottom of the joint inner shell, and a joint outer cover is fixed to one side of the joint inner shell by screws. A folding handle slides inside the joint outer cover. A locking tongue groove is provided on one side of the bottom of the joint inner shell, and a locking tongue block is slidably disposed inside the locking tongue groove. Two sets of handle hooks are fixed on the side of the folding handle near the locking tongue block. A locking tongue groove is provided inside the locking tongue block and engages with the handle hooks. A spring is fixed to one end of the locking tongue block near the inside of the locking tongue groove, and the other end of the spring is fixedly connected to the locking tongue groove.

[0006] By adopting the above technical solution, the front and rear legs provide stable support for the entire dining chair, the inner shell and outer cover of the large joints provide protection for the internal components, the handle hooks on the folding handles drive the locking tongue block to move inside the locking tongue slide through the locking tongue slot, and the springs provide elastic extension and retraction for the locking tongue block inside the locking tongue slide.

[0007] Furthermore, a large joint rotation shaft is fixed to the bottom of one side of the inner shell of the large joint, and a rear foot large joint rotation shaft is provided on the top of the rear foot large joint block, and the rear foot large joint rotation shaft engages with the large joint rotation shaft to rotate.

[0008] By adopting the above technical solution, a large joint rotation shaft is fixed to the bottom of one side of the inner shell of the large joint, while a rear foot large joint rotation shaft is opened on the top of the rear foot large joint block. The rear foot large joint block can rotate by engaging with the large joint rotation shaft. The engaging design of the large joint rotation shaft and the rear foot large joint rotation shaft ensures a tight connection between the two, avoiding loosening or shaking during use.

[0009] Furthermore, a rear foot locking groove is provided on the top of the rear foot large joint block, and it is inserted and engaged with the locking tongue block.

[0010] By adopting the above technical solution, a rear leg locking groove is provided at the top of the rear leg joint block, which is inserted and engaged with the locking tongue block. This design allows the locking tongue block to be firmly inserted into the rear leg locking groove when the dining chair is unfolded for use, thereby effectively preventing the rear leg from accidentally rotating or wobbling during use.

[0011] Furthermore, the rear foot joint block has a rear foot disassembly groove inside, and a rear foot disassembly button is connected inside the rear foot disassembly groove by a spring elastic engagement.

[0012] By adopting the above technical solution, a rear foot disassembly groove is provided inside the rear foot large joint block, and a rear foot disassembly button is connected inside the rear foot disassembly groove by a spring elastic engagement. This allows the user to press the rear foot disassembly button and use the elasticity of the spring to make the rear foot disassembly button slide in the rear foot disassembly groove, thereby releasing the engagement connection between the rear leg and the rear foot large joint block.

[0013] Furthermore, the bottom outer side of the hind leg joint is connected to the hind leg via a hind leg disassembly button.

[0014] By adopting the above technical solution, the rear leg is attached to the outer bottom of the rear leg joint block via a rear leg detachment button. This design ensures that the rear leg is firmly connected to the rear leg joint block, guaranteeing the stability of the dining chair when unfolded.

[0015] Furthermore, a sealing decorative ring is fitted onto the bottom outer side of the large joint inner shell, and a rear leg is inserted into the bottom outer side of the large joint inner shell and abuts against the sealing decorative ring.

[0016] By adopting the above technical solution, a sealing decorative ring is fitted on the bottom outer side of the inner shell of the large joint. This design not only enhances the sealing of the connection part and effectively prevents dust, moisture and other impurities from entering the interior of the dining chair, thereby extending the service life of the dining chair, but also improves the overall aesthetics of the dining chair.

[0017] In summary, the present invention has the following main advantages:

[0018] This utility model, by setting up a folding handle, a handle hook, a locking tongue block, and a locking tongue groove, allows the folding handle to engage with the locking tongue groove on the locking tongue block through the handle hook when the folding handle is slid on the outer cover of the large joint. This causes the locking tongue block to slide inside the locking tongue groove, thereby releasing the locking tongue block from the locking groove of the rear foot. This allows the rear foot large joint block to rotate and fold through the rear foot large joint rotation axis and the large joint rotation axis on the inner shell of the large joint.

[0019] In this invention, when the rear leg is extended by the rear leg's large joint block through the rear leg's large joint rotation axis, the locking tongue block will engage with the rear leg's locking groove to prevent the rear leg from rotating during use, thus ensuring good stability for both the rear and front legs. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the structure of the large joint outer cover and the large joint inner shell in a split state according to the present utility model.

[0022] Figure 3 This is a rear view of the structure of the large joint outer cover and the large joint inner shell of the present invention in a split state.

[0023] Figure 4 This is a schematic diagram of the constricted structure of the hind leg and foreleg of this utility model;

[0024] Figure 5 This is a schematic diagram of the locking tongue block and the rear foot locking groove of this utility model in an engaged state.

[0025] Figure 6 This is a schematic diagram of the structure of the present invention, showing the locking tongue block and the rear foot locking groove in a separated state.

[0026] In the diagram: 1. Rear leg; 2. Folding handle; 201. Handle hook; 3. Outer cover of the large joint; 4. Inner shell of the large joint; 401. Locking tongue groove; 402. Rotating shaft of the large joint; 5. Sealing decorative ring; 6. Locking tongue block; 601. Locking tongue slot; 7. Spring; 8. Rear leg large joint block; 801. Rotating shaft of the rear leg large joint; 802. Rear leg disassembly groove; 803. Rear leg locking groove; 9. Rear leg disassembly button; 10. Front leg. Detailed Implementation

[0027] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0028] A multi-functional children's high chair with a folding rear leg structure, such as Figures 1-6 As shown, it includes a rear leg 1, a front leg 10, a rear leg large joint block 8, and a large joint inner shell 4. The front leg 10 is inserted into one side of the bottom of the large joint inner shell 4, and a large joint outer cover 3 is fixed to one side of the large joint inner shell 4 by screws. A folding handle 2 slides inside the large joint outer cover 3. A locking tongue groove 401 is opened on one side of the bottom of the large joint inner shell 4, and a locking tongue block 6 is slidably arranged inside the locking tongue groove 401. Two sets of handle hooks 201 are fixed on the side of the folding handle 2 near the locking tongue block 6. A locking tongue groove 601 is opened inside the locking tongue block 6 and engages with the handle hooks 201. A spring 7 is fixed at one end of the locking tongue block 6 near the inside of the locking tongue groove 401, and the other end of the spring 7 is fixedly connected to the locking tongue groove 401.

[0029] When a user needs to fold the dining chair, they only need to move the folding handle 2. The handle hook 201 will engage with the locking tongue slot 601 inside the locking tongue block 6, thereby causing the locking tongue block 6 to slide inside the locking tongue slide groove 401. In addition, the spring 7 allows the locking tongue block 6 to automatically reset after being released, preparing for the next folding operation. Furthermore, the cooperation between the inner shell 4 and the outer cover 3 of the large joint, as well as the insertion design of the front legs 10, together constitute the stable support frame of the dining chair.

[0030] See Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 6 A large joint rotating shaft 402 is fixed to the bottom of one side of the inner shell 4 of the large joint, and a rear foot large joint rotating shaft 801 is opened on the top of the rear foot large joint block 8, and the rear foot large joint rotating shaft 801 is engaged with the large joint rotating shaft 402 to rotate.

[0031] Among them, the legs 1 can rotate smoothly through the large joint rotation axis 402 between the rear leg large joint block 8 and the large joint inner shell 4, thereby realizing the flexible folding of the dining chair.

[0032] See Figure 2 , Figure 5 and Figure 6 The top of the rear foot joint block 8 is provided with a rear foot locking groove 803, which is inserted and engaged with the locking tongue block 6;

[0033] The rear leg joint block 8 has a rear leg locking groove 803 on its top, which is engaged with the locking tongue block 6. The locking mechanism provides a more stable and safer dining environment for children, reducing the risk of accidents that may occur due to the instability of the high chair.

[0034] See Figure 1 , Figure 2 , Figure 3 and Figure 4 The rear foot large joint block 8 has a rear foot disassembly groove 802 inside, and the rear foot disassembly groove 802 is connected to the rear foot disassembly button 9 by spring elastic engagement.

[0035] The rear leg removal button 9 is spring-loaded and engaged within the rear leg removal slide 802. This design ensures that the rear leg 1 will not accidentally detach during normal use. Only when the user actively presses the rear leg removal button 9 can the engagement between the rear leg 1 and the rear leg joint block 8 be released.

[0036] See Figure 1 and Figure 4 The bottom outer side of the hind leg joint 8 is connected to the hind leg 1 via the hind leg disassembly button 9;

[0037] Since the rear leg 1 is engaged and locked by the rear leg disassembly button 9, the user can easily disengage the rear leg 1 from the rear leg joint block 8 by simply pressing the rear leg disassembly button 9, thus achieving quick disassembly of the rear leg 1.

[0038] See Figure 1 , Figure 2 , Figure 3 and Figure 4 A sealing decorative ring 5 is fitted onto the outer bottom of the inner shell 4 of the large joint, and a rear leg 1 is inserted into the outer bottom of the inner shell 4 of the large joint and abuts against the sealing decorative ring 5.

[0039] Among them, the bottom outer side of the large joint inner shell 4 is inserted with the rear leg 1, which is pressed against the sealing decorative ring 5, ensuring that the connection between the rear leg 1 and the large joint inner shell 4 is more stable and tight. The pressing effect of the sealing decorative ring 5 makes the rear leg 1 not easily loose or shake after being inserted, further improving the stability and safety of the dining chair.

[0040] The implementation principle of this embodiment is as follows: First, the rear leg large joint block 8 is inserted and engaged with the rear leg 1 through the elastically telescopic rear leg disassembly button 9 in its internal rear leg disassembly groove 802. Simultaneously, a sealing decorative ring 5 is engaged at the connection between the rear leg 1 and the rear leg 8, providing a seal and improving the aesthetics of the connection. Then, the large joint inner shell 4 is inserted and engaged with the front leg 10, thus completing the installation of the rear leg 1 and the front leg 10. Next, by bending the front leg 10, the front leg 10 drives the large joint inner shell 4 to rotate. Simultaneously, the large joint inner shell 4 engages and rotates with the rear leg large joint rotation shaft 801 through the large joint rotation shaft 402, thereby causing the rear leg large joint block 8 to drive the rear leg 1. 1. When the rear leg joint 8 rotates to a suitable angle, the locking tongue block 6 will elastically extend and retract inside the locking tongue groove 401 via the spring 7, thereby engaging the rear leg locking groove 803. At the same time, the locking tongue block 6 can drive the handle hook 201 to slide synchronously through the locking tongue groove 601, thereby allowing the handle hook 201 to drive the folding handle 2 to slide on the outer cover 3 of the large joint, thus giving the front leg 10 and the rear leg 1 good stability during use. Finally, when it is necessary to retract the rear leg 1 and the front leg 10, the folding handle 2 is moved, allowing the handle hook 201 on the folding handle 2 to disengage the locking tongue block 6 from the rear leg locking groove 803 through the locking tongue groove 601 inside the locking tongue block 6, so that the front leg 10 and the rear leg 1 can be retracted and closed.

[0041] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, and variations are within the scope of the claims of the present invention and are protected by patent law.

Claims

1. A multifunctional children's dining chair with a folding rear leg structure, characterized in that: It includes the hind leg (1), the foreleg (10), the hind leg major joint mass (8), and the major joint inner shell (4); The bottom side of the inner shell (4) of the large joint is connected to the front leg (10), and the outer cover (3) of the large joint is fixed to one side of the inner shell (4) by screws. The folding handle (2) slides inside the outer cover (3). The bottom side of the inner shell (4) of the large joint is provided with a locking tongue groove (401), and a locking tongue block (6) slides inside the locking tongue groove (401). Two sets of handle hooks (201) are fixed on the side of the folding handle (2) near the locking tongue block (6). The locking tongue block (6) is provided with a locking tongue groove (601) inside, and engages with the handle hooks (201). A spring (7) is fixed at one end of the locking tongue block (6) near the inside of the locking tongue groove (401), and the other end of the spring (7) is fixed to the locking tongue groove (401).

2. The multifunctional children's dining chair with a folding rear leg structure according to claim 1, characterized in that: The bottom of one side of the inner shell (4) of the large joint is fixed with a large joint rotation shaft (402), and the top of the rear foot large joint block (8) is provided with a rear foot large joint rotation shaft (801), which engages with the large joint rotation shaft (402) through the rear foot large joint rotation shaft (801) to rotate.

3. The multifunctional children's dining chair with a folding rear leg structure according to claim 1, characterized in that: The top of the rear foot joint block (8) is provided with a rear foot locking groove (803), which is engaged with the locking tongue block (6).

4. The multifunctional children's dining chair with a folding rear leg structure according to claim 1, characterized in that: The rear foot joint block (8) has a rear foot disassembly groove (802) inside, and a rear foot disassembly button (9) is connected inside the rear foot disassembly groove (802) by a spring elastic engagement.

5. The multifunctional children's dining chair with a folding rear leg structure according to claim 1, characterized in that: The bottom outer side of the hind leg joint (8) is connected to the hind leg (1) via the hind leg disassembly button (9).

6. The multifunctional children's dining chair with a folding rear leg structure according to claim 1, characterized in that: A sealing decorative ring (5) is fitted on the bottom outer side of the inner shell (4) of the large joint, and a rear leg (1) is inserted into the bottom outer side of the inner shell (4) of the large joint and abuts against the sealing decorative ring (5).