Foldable child dining chair

Abstract

The utility model discloses a foldable child dining chair which comprises a foot stool, a seat plate and a back plate, the foot stool, the seat plate and the back plate are connected together through a connecting joint, the connecting joint is provided with a first locking mechanism capable of locking the foot stool, the seat plate and the back plate, the connecting joint is further connected with a first switching mechanism, and the first switching mechanism is provided with a second locking mechanism capable of locking the foot stool, the seat plate and the back plate. The first switch mechanism can be connected with the first locking mechanism through a first inhaul cable so that the first switch mechanism can drive the first locking mechanism to unlock the foot stool and the back plate, and the foot stool, the seat plate and the back plate can be locked at the same time through the first locking mechanism. The foot stool, the seat plate and the back plate can be unlocked through the first switch mechanism, so that the locking structure is simplified, the production difficulty is reduced, the assembly steps are reduced due to the simplification of the structure, and the production efficiency is improved; and meanwhile, a user can finish unlocking only through one first switch mechanism, so that the folding difficulty is greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of children's dining chairs, in particular to a foldable children's dining chair. Background Art

[0002] With the improvement of people's living standards and the change of lifestyle, the requirements for children's products are getting higher and higher. Among them, as an important auxiliary tool, children's dining chairs play an important role in the growth process of infants and young children. It not only needs to ensure safety and comfort, but also needs to consider factors such as ease of use and space occupation.

[0003] Most of the children's dining chairs on the market currently adopt a fixed structure or a simple folding design. Although the dining chair with a fixed structure is stable and reliable, it is large in volume, inconvenient to carry and occupies a lot of space. While some folding dining chairs solve the problem of portability, their folding connection joint structure is complex, difficult to manufacture and assemble, and requires complex steps to complete folding or unfolding during use, which increases the difficulty of use for users.

[0004] The present utility model is made based on the above situation. Summary of the Utility Model

[0005] The utility model overcomes the deficiencies of the prior art and provides a foldable children's dining chair.

[0006] The present utility model is realized through the following technical solutions:

[0007] A foldable children's dining chair, comprising a footrest, a seat board and a backrest. The footrest, seat board and backrest are connected together through a connection joint. The connection joint is provided with a first locking mechanism capable of locking the footrest, seat board and backrest. A first switch mechanism is also connected to the connection joint. The first switch mechanism can be connected to the first locking mechanism through a first cable so that the first switch mechanism can drive the first locking mechanism to release the locking of the footrest and backrest.

[0008] For a foldable children's dining chair as described above, the connection joint includes a connection seat connected to the seat board, a foot pivot joint seat connected to the footrest, and a back pivot joint seat connected to the seat board. The connection seat, foot pivot joint seat and back pivot joint seat are pivotally connected through a pivot shaft. The first locking mechanism includes a first limiting groove provided on the back pivot joint seat, a second limiting groove provided on the connection seat, and a sliding fork slidably connected to the connection seat and capable of inserting into the first limiting groove and the second limiting groove to lock the footrest, seat board and backrest.

[0009] For a foldable children's dining chair as described above, a first return spring is provided between the sliding fork and the connection joint for resetting the sliding fork.

[0010] A foldable children's dining chair as described above, a gear adjustment disc is connected to the connection seat, and a guide groove for guiding the sliding of the sliding fork is provided on the gear adjustment disc.

[0011] A foldable children's dining chair as described above, an adjustment structure for adjusting the angle of the backrest is provided between the gear adjustment disc and the backrest. The adjustment structure includes a plurality of third limit grooves provided on the gear adjustment disc and sliders provided on the backrest that can be inserted into the third limit grooves for limiting. A second switch mechanism is further provided on the backrest. The second switch mechanism can be connected to the slider through a second cable so that the first switch mechanism can drive the slider to withdraw from the third limit groove. A second return spring for resetting the slider to insert into the third limit groove is provided between the slider and the backrest.

[0012] A foldable children's dining chair as described above, the footrest includes a front footrest and a rear footrest. The foot pivot seat includes a front foot pivot seat connected to the front footrest and a rear foot pivot seat connected to the rear footrest. A first card slot with an opening facing the rear foot pivot seat is provided on the front foot pivot seat. A second card slot facing the opening of the first card slot is provided on the rear foot pivot seat. A first spline that is partially located in the first card slot and partially located in the second card slot to limit the relative rotation of the front foot pivot seat and the rear foot pivot seat is provided between the first card slot and the second card slot. A first inclined surface is provided on the first spline. A second inclined surface extending towards the first spline and cooperating with the first inclined surface is provided on the gear adjustment disc. When the connection seat is rotated, the connection seat drives the gear adjustment disc to rotate, so that the second inclined surface pushes the first spline out of the second card slot. A third return spring for resetting the first spline is provided in the first card slot.

[0013] A foldable children's dining chair as described above, a dinner plate rack is detachably connected to the seat board. Hollow columns are provided on both sides of the seat board. Through holes are provided on the side parts of the hollow columns. Plug posts that can be inserted into the hollow columns are provided on the dinner plate rack. Elastic buckles that can extend out of the through holes are provided on the plug posts.

[0014] A foldable children's dining chair as described above, a clamping block for clamping the dinner plate rack on the footrest is provided on the footrest.

[0015] A foldable children's dining chair as described above, a placement groove is provided on the dinner plate rack.

[0016] A foldable children's dining chair as described above, a footrest is connected to the front side of the seat board.

[0017] Compared with the prior art, the present utility model has the following advantages:

[0018] In this case, the first locking mechanism can be used to lock the tripod, seat board, and back board simultaneously, and the first switching mechanism can be used to unlock the tripod, seat board, and back board. Thus, the locking structure is simplified, the production difficulty is reduced, and the simplification of the structure also reduces the assembly steps and improves the production efficiency. At the same time, users only need to use one first switching mechanism to complete the unlocking, which greatly reduces the folding difficulty.

[0019] When the seat board is rotated in this case, it can drive the gear adjustment disc to rotate, so that the second inclined surface pushes the first spline out of the second card slot, eliminating the need for an additional unlocking switch, further reducing the number of components and the user's folding operation steps. Brief Description of the Drawings

[0020] The following further details the specific embodiments of the present invention with reference to the drawings, where:

[0021] Figure 1 is the structural schematic diagram of the present invention;

[0022] Figure 2 is the structural schematic diagram of the seat board, back board, and connecting joint in the present invention;

[0023] Figure 3 is the exploded schematic diagram of the connecting joint in the present invention Figure 1 ;

[0024] Figure 4 is the exploded schematic diagram of the connecting joint in the present invention Figure 2 ;

[0025] Figure 5 is the cross-sectional schematic diagram at the connecting joint in the present invention;

[0026] Figure 6 is the structural schematic diagram of the gear adjustment disc adjusting the back board angle in the present invention;

[0027] Figure 7 is the structural schematic diagram after the present invention is folded. Detailed Description of the Embodiments

[0028] The following further describes the present invention with reference to the drawings:

[0029] As Figures 1 to 7A foldable children's dining chair shown in the figure includes a footrest 1, a seat board 2 and a backrest 3. The footrest 1, the seat board 2 and the backrest 3 are connected together by a connecting joint 4. The connecting joint 4 is provided with a first locking mechanism capable of locking the footrest 1, the seat board 2 and the backrest 3. A first switch mechanism 5 is also connected to the connecting joint 4. The first switch mechanism 5 can be connected to the first locking mechanism through a first cable 51 so that the first switch mechanism 5 can drive the first locking mechanism to release the locking of the footrest 1 and the backrest 3.

[0030] In this case, the first locking mechanism can be used to lock the footrest 1, the seat board 2 and the backrest 3 at the same time, and the first switch mechanism 5 can be used to unlock the footrest 1, the seat board 2 and the backrest 3, thereby simplifying the locking structure, reducing the production difficulty. The simplification of the structure also reduces the assembly steps and improves the production efficiency. At the same time, the user only needs to use a first switch mechanism 5 to complete the unlocking, thus greatly reducing the folding difficulty. Among them, the first switch mechanism 5 is a conventional unlocking switch for a folding dining chair on the market to pull the pull rope for unlocking, which will not be elaborated here.

[0031] Specifically, the connecting joint 4 includes a connecting seat 41 connected to the seat board 2, a foot pivot seat 42 connected to the footrest 1, and a back pivot seat 43 connected to the seat board 2. The connecting seat 41, the foot pivot seat 42 and the back pivot seat 43 are pivotally connected by a pivot shaft. The first locking mechanism includes a first limiting groove 431 provided on the back pivot seat 43, a second limiting groove 411 provided on the connecting seat 41, and a sliding fork 6 slidably connected to the connecting seat 41 and capable of inserting into the first limiting groove and the second limiting groove 411 to lock the footrest 1, the seat board 2 and the backrest 3. A first return spring 61 for resetting the sliding fork 6 is provided between the sliding fork 6 and the connecting joint 4. Among them, the sliding fork 6 is provided with a first pin that can be inserted into the first limiting groove 431 and a second pin that can be inserted into the second limiting groove 411. In some embodiments, the sliding fork 6 is in a "Y" shape or a "T" shape, and of course it can also be other shapes. The seat board 2 and the connecting seat 41 are of an integral structure, and the seat board 2 and the back pivot seat 43 are of an integral structure.

[0032] Further, a gear adjustment disc 7 is connected to the connecting seat 41. The gear adjustment disc 7 is provided with a guiding groove 71 for guiding the sliding of the sliding fork 6. A connecting structure for enabling the gear adjustment disc 7 to rotate following the connecting seat 41 is provided between the connecting seat 41 and the gear adjustment disc 7. In some embodiments, a limiting protrusion 70 is provided on the gear adjustment disc 7, and a clamping groove for inserting the limiting protrusion 70 is provided on the connecting seat 41. Of course, the gear adjustment disc 7 can also be connected to the connecting seat 41 by means of threaded fasteners and other connection methods, and the gear adjustment disc 7 can also be of an integral structure with the connecting seat 41.

[0033] A regulating structure for adjusting the angle of the backboard 3 is provided between the gear shifting adjustment disc 7 and the backboard 3. The regulating structure includes a plurality of third limiting grooves 72 provided on the gear shifting adjustment disc 7 and sliders 31 provided on the backboard 3 that can be inserted into the third limiting grooves 72 for limiting. A second switch mechanism 32 is further provided on the backboard 3. The second switch mechanism 32 can be connected to the slider 31 through a second cable 33 so that the first switch mechanism 5 can drive the slider 31 to withdraw from the third limiting groove 72. A second return spring 34 for resetting the slider 31 to insert into the third limiting groove 72 is provided between the slider 31 and the backboard 3. Among them, the third limiting groove 72 includes a limiting short groove for restricting the rotation of the backboard 3 and a limiting long groove for restricting the rotation amplitude of the backboard 3. The second switch mechanism 32 is an unlocking switch for a conventional folding dining chair on the market to pull a rope for unlocking, which will not be elaborated here in detail.

[0034] In some embodiments, the footrest 1 includes a front footrest 11 and a rear footrest 12. The foot pivot seat 42 includes a front foot pivot seat 420 connected to the front footrest 11 and a rear foot pivot seat 4200 connected to the rear footrest 12. A first card slot 4201 with an opening facing the rear foot pivot seat 4200 is provided on the front foot pivot seat 420. A second card slot 4202 facing the opening of the first card slot 4201 is provided on the rear foot pivot seat 4200. A first spline 4203 that partially lies in the first card slot 4201 and partially lies in the second card slot 4202 is provided between the first card slot 4201 and the second card slot 4202 to limit the relative rotation of the front foot pivot seat 420 and the rear foot pivot seat 4200. A first inclined surface 4204 is provided on the first spline 4203. A second inclined surface 4205 extending towards the first spline 4203 and cooperating with the first inclined surface 4204 is provided on the gear shifting adjustment disc 7. When the rotating connection seat 41 is rotated, the connection seat 41 drives the gear shifting adjustment disc 7 to rotate, so that the second inclined surface 4205 pushes the first spline 4203 out of the second card slot 4202. A third return spring 4206 for resetting the first spline 4203 is provided in the first card slot 4201.

[0035] When the seat board 2 is rotated, it can drive the gear shifting adjustment disc 7 to rotate, so that the second inclined surface 4205 pushes the first spline 4203 out of the second card slot 4202, eliminating the need to additionally set an unlocking switch, further reducing the number of components and the user's folding operation steps.

[0036] In some embodiments, a dinner plate rack 8 is detachably connected to the seat plate 2. Hollow columns 22 are provided on both sides of the seat plate 2. A through hole 221 is provided on the side of the hollow column 22. The dinner plate rack 8 is provided with an insertion post 81 that can be inserted into the hollow column 22. An elastic buckle that can extend out of the through hole 221 is provided on the insertion post 81. When it is necessary to disassemble the dinner plate rack 8, just press the elastic buckle into the hollow column 22, and the insertion post 81 can be pulled out. Among them, the hollow column 22 and the seat plate 2 are of an integral structure. Of course, the hollow column 22 can also be connected to the seat plate 2 through threaded fasteners or other connection structures.

[0037] Further, a clamping block 13 for clamping the dinner plate rack 8 to the footrest 1 is provided on the footrest 1. In one implementation, the clamping block 13 is connected to the rear footrest 13. When the dinner plate rack 8 is not needed, the dinner plate rack 8 can be removed and clamped to the clamping block 13. Among them, the clamping block 13 can be connected to the rear footrest 13 through threaded fasteners or other connection structures. A placement groove 82 is provided on the dinner plate rack 8. Some items that are prone to tipping, such as water cups, can be placed in the placement groove 82.

[0038] In one embodiment, a footrest 23 is connected to the front side of the seat plate 2. Among them, the footrest 23 is U-shaped and is rotatably connected to the front side of the seat plate 2. A resistance structure for allowing the footrest 23 to maintain the rotation angle is provided between the footrest 23 and the seat plate 2.

Claims

1. A foldable children's dining chair, characterized in that: It includes a tripod (1), a seat plate (2) and a back plate (3). The tripod (1), the seat plate (2) and the back plate (3) are connected together through a connecting joint (4). The connecting joint (4) is provided with a first locking mechanism capable of locking the tripod (1), the seat plate (2) and the back plate (3). A first switch mechanism (5) is also connected to the connecting joint (4). The first switch mechanism (5) can be connected to the first locking mechanism through a first cable (51) so that the first switch mechanism (5) can drive the first locking mechanism to release the locking of the tripod (1) and the back plate (3).

2. The foldable children's dining chair according to claim 1, wherein: The connecting joint (4) includes a connecting seat (41) connected to the seat plate (2), a foot pivot joint seat (42) connected to the tripod (1), and a back pivot joint seat (43) connected to the seat plate (2). The connecting seat (41), the foot pivot joint seat (42) and the back pivot joint seat (43) are pivotally connected through a pivot shaft. The first locking mechanism includes a first limiting groove (431) provided on the back pivot joint seat (43), a second limiting groove (411) provided on the connecting seat (41), and a sliding fork (6) slidably connected to the connecting seat (41) and capable of inserting into the first limiting groove and the second limiting groove (411) to lock the tripod (1), the seat plate (2) and the back plate (3).

3. The foldable children's dining chair according to claim 2, characterized in that: A first return spring (61) is provided between the sliding fork (6) and the connecting joint (4) for resetting the sliding fork (6).

4. A foldable children's dining chair according to claim 3, wherein: A gear adjustment disc (7) is connected to the connecting seat (41). A guiding groove (71) for guiding the sliding of the sliding fork (6) is provided on the gear adjustment disc (7).

5. A foldable children's dining chair according to claim 4, characterized in that: An adjusting structure for adjusting the angle of the back plate (3) is provided between the gear adjustment disc (7) and the back plate (3). The adjusting structure includes a plurality of third limiting grooves (72) provided on the gear adjustment disc (7) and a slider (31) provided on the back plate (3) capable of inserting into the third limiting grooves (72) for limiting. A second switch mechanism (32) is also provided on the back plate (3). The second switch mechanism (32) can be connected to the slider (31) through a second cable (33) so that the first switch mechanism (5) can drive the slider (31) to withdraw from the third limiting grooves (72). A second return spring (34) for resetting the slider (31) to insert into the third limiting grooves (72) is provided between the slider (31) and the back plate (3).

6. A foldable children's dining chair according to claim 4 or 5, characterized in that: The tripod (1) includes a front tripod (11) and a rear tripod (12). The foot pivot seat (42) includes a front foot pivot seat (420) connected to the front tripod (11) and a rear foot pivot seat (4200) connected to the rear tripod (12). The front foot pivot seat (420) is provided with a first card slot (4201) with an opening facing the rear foot pivot seat (4200). The rear foot pivot seat (4200) is provided with a second card slot (4202) facing the opening of the first card slot (4201). A first spline (4203) is provided between the first card slot (4201) and the second card slot (4202), with a part of it located in the first card slot (4201) and a part in the second card slot (4202) to limit the relative rotation between the front foot pivot seat (420) and the rear foot pivot seat (4200). The first spline (4203) is provided with a first inclined surface (4204). The gear adjustment disc (7) is provided with a second inclined surface (4205) extending towards the first spline (4203) and cooperating with the first inclined surface (4204). When the rotating connection seat (41) is rotated, the connection seat (41) drives the gear adjustment disc (7) to rotate, so that the second inclined surface (4205) pushes the first spline (4203) out of the second card slot (4202). A third return spring (4206) is provided in the first card slot (4201) to reset the first spline (4203).

7. A foldable children's dining chair according to claim 1, characterized in that: A dinner plate rack (8) is detachably connected to the seat plate (2). Hollow columns (22) are provided on both sides of the seat plate (2). The side of the hollow column (22) is provided with a through hole (221). The dinner plate rack (8) is provided with an insertion post (81) that can be inserted into the hollow column (22). The insertion post (81) is provided with an elastic buckle that can extend out of the through hole (221).

8. A foldable children's dining chair according to claim 7, characterized in that: The tripod (1) is provided with a clamping block (13) for clamping the dinner plate rack (8) on the tripod (1).

9. The foldable children's dining chair according to claim 7, characterized in that: The dinner plate rack (8) is provided with a placement groove (82).

10. A foldable children's dining chair according to claim 1, characterized in that: A footrest (23) is connected to the front side of the seat plate (2).

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