CN111166104A - A foldable children's dining chair - Google Patents

Abstract

The invention relates to a foldable children's dining chair, comprising a front bracket, a rear bracket, a cushion tube, a backrest tube and a tray, the top of the front bracket and the top of the rear bracket are hinged, and the rear end of the tray and the rear section of the cushion tube are connected to the backrest The tube hinge also includes a folding link. One end of the folding link is hinged with the lower end of the backrest tube, and the other end of the folding link is hinged with the lower section of the rear bracket. The front bracket is sleeved with a seat pocket sliding sleeve that can slide up and down. The lower section of the tube is hinged with the seat pocket sliding sleeve, the middle section of the seat cushion tube is slidable with a lower support rod sliding sleeve, the lower support rod sliding sleeve is hinged with the middle section of the support rod, and one end of the support rod is hinged with the seat pocket sliding sleeve, supporting The other end of the rod is hinged to the tray. The present invention makes the rear bracket, seat cushion tube, tray and backrest tube linked and folded together in the direction of the front bracket only by pulling the backrest tube.

Description

A foldable children's dining chair

technical field

The invention relates to the technical field of children's dining chairs, in particular to a foldable children's dining chair.

Background technique

The children's dining chair is a common tool for children to eat. The existing children's dining chairs have various functions, so that although they can provide children with a convenient dining experience, the functional mechanisms of the children's dining chairs also make the children's dining chairs take up a lot of space. inconvenient. Although there are some foldable children's dining chairs on the market now, these children's dining chairs either have a single function, or have complicated folding operations, or they still occupy a large space after being folded. And with the continuous improvement of living standards, people go out to eat more and more times, and the requirements for child seats are getting higher and higher, and the existing child seats can no longer meet people's needs.

SUMMARY OF THE INVENTION

The present invention designs a foldable children's dining chair, which solves the technical problem that the existing children's dining chairs either have a single function, or have complicated folding operations, or still occupy a large space after being folded.

In order to solve the above-mentioned technical problem, the present invention adopts the following scheme:

A foldable children's dining chair, comprising a front bracket, a rear bracket, a seat cushion tube, a backrest tube and a tray, the top end of the front bracket and the top end of the rear bracket are hinged, the rear end of the tray, the The rear section is hinged with the backrest tube, and also includes a folding link, one end of the folding link is hinged with the lower end of the backrest tube, and the other end of the folding link is hinged with the lower section of the rear bracket, so The front support is covered with a seat pocket sliding sleeve that can slide up and down, the lower section of the backrest tube is hinged with the seat pocket sliding sleeve, and the middle section of the seat cushion tube is slidable with a lower support rod sliding sleeve, so The lower support rod sliding sleeve is hinged with the middle section of the support rod, one end of the support rod is hinged with the seat pocket sliding sleeve, the other end of the support rod is hinged with the tray, and the backrest tube is pulled back. When the backrest tube drives the rear bracket to fold toward the front bracket through the folding link, and drives the seat cushion tube and the tray to fold down at the same time, the front bracket, the rear bracket and the seat cushion tube are folded downward. , The back tube and the tray are fitted together, thereby reducing the space volume occupied by the foldable high chair.

Further, the front end of the seat cushion tube is hinged with one end of the footrest.

Further, the tray is hinged to the backrest tube through the side armrest, the rear end of the side armrest is hinged to the backrest tube, the front end of the side armrest is slidably connected to the tray, and the middle section of the side armrest is connected to the backrest tube. The support rod is hinged.

Further, a tray locking mechanism for restricting sliding of the tray is provided on the side armrest, and a tray unlocking mechanism for unlocking the tray locking mechanism is provided on the tray.

Further, the backrest tube includes an upper support rod and a lower support rod, one end of the lower support rod is connected with the upper support rod, the other end of the lower support rod is hinged with the folding link, and the lower support rod is hinged with the folding link. The lower section of the rod is hinged with the seat pocket sliding sleeve, and the middle section of the lower support rod is hinged with the seat cushion tube.

Further, the lower support rod is Z-shaped.

Further, the folding link is V-shaped with an obtuse angle, and the vertex of the folding link faces the front bracket.

Further, a seat pocket locking mechanism for restricting the sliding of the seat pocket sliding sleeve is provided on the front bracket, and a seat pocket unlocking mechanism for unlocking the seat pocket locking mechanism is provided on the seat pocket sliding cover.

Further, the seat pocket locking mechanism is a plurality of positioning holes with different heights opened on the front bracket, the seat pocket sliding sleeve is provided with a movable positioning block matched with the positioning holes, the seat pocket The pocket release mechanism is a release button linked with the positioning block.

Further, the upper end of the front bracket is fixedly connected with the middle joint, and the upper end of the rear bracket is hinged with the middle joint.

The foldable children's dining chair has the following beneficial effects:

The foldable children's dining chair of the present invention makes the rear bracket, the seat cushion tube, the tray and the backrest tube fold and fit together in the direction of the front bracket only by pulling the back tube, the structure is stable, the operation is simple, and the volume after folding is obviously reduced. Easy to store and carry.

Description of drawings

Figure 1: The use state diagram of the foldable children's dining chair of the present invention when it is adjusted to a high position;

Figure 2: The use state diagram of the foldable children's dining chair of the present invention when it is adjusted to a low position;

Fig. 3: The state schematic diagram of the folding process of the foldable children's dining chair of the present invention;

Figure 4 is a schematic diagram of the folded state of the foldable children's dining chair of the present invention.

Description of reference numbers:

1—backrest tube; 2—tray; 3—cushion tube; 4—foot pedal; 5—rear bracket; 6—folding link; 7—front bracket; 71—positioning hole; 8—seat pocket sliding sleeve; 9— Support rod; 10-intermediate joint; 11-lower support rod; 12-side armrest; 13-lower support rod sliding sleeve; 14-upper support rod.

Detailed ways

Below in conjunction with Fig. 1 to Fig. 4, the present invention is further described:

As shown in Figure 1, a foldable children's dining chair includes a bracket, a seat, a backrest, a tray 2 and a footrest 4, the bracket includes a front bracket 7 and a rear bracket 5, the seat is arranged on the cushion tube 3, and the backrest is arranged on the backrest tube 1.

Both the front bracket 7 and the rear bracket 5 are U-shaped, the two upper ends of the front bracket 7 are respectively fixedly connected with an intermediate joint 10, the two upper ends of the rear bracket 5 are respectively hinged with the intermediate joint 10 on the same side, and the two upper ends of the front bracket 7 are respectively connected to the intermediate joint 10 on the same side. The ends are respectively provided with a seat pocket sliding sleeve 8 that can slide up and down, and the seat pocket sliding sleeve 8 is hinged with the lower section of the backrest tube 1 on the same side, the backrest tube 1 is an inverted U shape, and the two lower ends of the backrest tube 1 are respectively One end of the connecting rod 6 is hinged, and the other end of the folding connecting rod 6 is hinged with the lower section of the rear bracket 5 on the same side.

The backrest tube 1 includes an upper support rod 14 and two lower support rods 11, the upper support rod 14 is an inverted U-shape, the lower support rod 11 is a Z-shape, and the two lower ends of the upper support rod 14 are respectively connected with one of the lower support rods 11. The upper ends are connected, the lower sections of the two lower support rods 11 are hinged with the seat pocket sliding sleeve 8 on the same side, the middle section of the lower support rods 11 is hinged with the rear section of the seat cushion tube 3, and the rear end of the tray 2 is connected to the backrest tube 1 through the side armrest 12. The rear end of the side armrest 12 is hinged with the backrest tube 1, the front end of the side armrest 12 is slidably connected with the tray 2, and the middle section of the side armrest 12 is hinged with the support rod 9, which is inclined forward.

The middle section of the seat cushion tube 3 is slidably provided with a lower support rod sliding sleeve 13, the lower support rod sliding sleeve 13 is hinged with the middle section of the support rod 9, one end of the support rod 9 is hinged with the seat pocket sliding sleeve 8, and the other side of the support rod 9 is hinged. One end is hinged with the tray 2 , and the front end of the seat cushion tube 3 is hinged with one end of the footboard 4 .

When the backrest tube 1 is pulled back, the backrest tube 1 drives the rear bracket 5 to fold toward the front bracket 7 through the folding link 6, and at the same time drives the seat cushion tube 3 and the tray 2 to fold down, so that the front bracket 7 and the rear bracket 5 are folded downward. , the seat cushion tube 3, the backrest tube 1, the footrest 4 and the tray 2 are attached together, thereby reducing the space volume occupied by the foldable children's dining chair.

The side armrest 12 is provided with a tray locking mechanism for restricting the sliding of the tray 2 , and the tray 2 is provided with a tray unlocking mechanism for unlocking the tray locking mechanism.

The front bracket 7 is provided with a seat pocket locking mechanism for restricting the sliding of the seat pocket sliding cover 8, and the seat pocket sliding cover 8 is provided with a seat pocket unlocking mechanism for unlocking the seat pocket locking mechanism.

The seat pocket locking mechanism is a number of positioning holes 71 with different heights opened on the front bracket 7, the seat pocket sliding sleeve 8 is provided with a movable positioning block that matches the positioning hole 71, and the seat pocket unlocking mechanism is the same as the positioning block. Linked release button.

The structure of the tray locking mechanism is the same as that of the seat pocket locking mechanism, and the structure of the tray unlocking mechanism is the same as that of the seat pocket unlocking mechanism.

The working principle of the present invention is as follows:

As shown in Figures 3 and 4, when it is necessary to fold the foldable children's high chair in use, the footrest 4 is folded towards the direction of the cushion tube 3, the upper support rod 14 is pulled down, and the upper support rod 14 drives the two The upper end of each lower support rod 11 moves downward, the lower support rod 11 moves with its connection with the seat pocket sliding sleeve 8 as a fulcrum, the lower end of the lower support rod 11 drives the folding link 6 to move, and the folding link 6 drives the rear bracket 5. Move and fold with the middle joint 10 as the axial direction close to the front bracket 7; at the same time, the lower support rod 11 drives the seat cushion tube 3 to move backward and downward, and the lower support rod 11 drives the tray 2 to move backward and downward through the side armrest 12. The front bracket 7, the rear bracket 5, the backrest tube 1, the tray 2, the seat cushion tube 3 and the footrest 4 are folded and fitted together;

When the height of the foldable children's dining chair needs to be adjusted, press the seat pocket release button on the seat pocket sliding sleeve 8, and the seat pocket release button drives the positioning block to move, so that it is separated from the positioning hole 71 at this position, and the seat pocket is released. When the pocket sliding sleeve 8 slides to the hole position of the required height, release the seat pocket release button, and the positioning block is fixed by engaging with the positioning hole 71 at this position through the reset mechanism;

Similarly, when the foldable children's dining chair needs to be used, the upper support rod 14 can be pulled to open, and the method of adjusting the tray 2 back and forth is the same as the height adjustment principle of the foldable children's dining chair.

The present invention has been exemplarily described above in conjunction with the accompanying drawings. Obviously, the implementation of the present invention is not limited by the above-mentioned manner, as long as various improvements made by the method concept and technical solutions of the present invention are adopted, or the present invention is not modified without improvement. It is within the protection scope of the present invention that the ideas and technical solutions of the invention are directly applied to other occasions.

Claims (10)

1. A foldable children's dining chair, comprising a front bracket (7), a rear bracket (5), a seat cushion tube (3), a backrest tube (1) and a tray (2), the top end of the front bracket (7) and the The top end of the rear bracket (5) is hinged, the rear end of the tray (2) and the rear section of the seat cushion tube (3) are both hinged to the backrest tube (1), characterized in that: it also includes a folding connection. A rod (6), one end of the folding link (6) is hinged with the lower end of the backrest tube (1), and the other end of the folding link (6) is hinged with the lower section of the rear bracket (5), The front bracket (7) is provided with a seat pocket sliding cover (8) that can slide up and down, the lower section of the backrest tube (1) is hinged with the seat pocket sliding cover (8), and the seat cushion tube (3) ) is slidably sleeved with a lower support rod sliding sleeve (13), the lower support rod sliding sleeve (13) is hinged with the middle section of the support rod (9), and one end of the support rod (9) is connected to the The seat pocket sliding sleeve (8) is hinged, and the other end of the support rod (9) is hinged with the tray (2). When the backrest tube (1) is pulled back, the backrest tube (1) passes through The folding link (6) drives the rear bracket (5) to fold in the direction close to the front bracket (7), and at the same time drives the seat cushion tube (3) and the tray (2) to fold down, so that the The front bracket (7), the rear bracket (5), the seat cushion tube (3), the backrest tube (1) and the tray (2) are fitted together, thereby reducing the space volume occupied by the foldable children's dining chair. 2 . The foldable children's dining chair according to claim 1 , wherein the front end of the cushion tube ( 3 ) is hinged with one end of the footrest ( 4 ). 3 . 3. The foldable children's dining chair according to claim 1, wherein the tray (2) is hinged with the backrest tube (1) through a side armrest (12), and the rear end of the side armrest (12) is hinged. It is hinged with the backrest tube (1), the front end of the side armrest (12) is slidably connected with the tray (2), and the middle section of the side armrest (12) is hinged with the support rod (9). The foldable children's dining chair according to claim 3, characterized in that: a tray locking mechanism for restricting the sliding of the tray (2) is provided on the side armrest (12), and the tray (2) is provided with a tray locking mechanism. There is a tray release mechanism for unlocking the tray lock mechanism. 5. The foldable children's dining chair according to claim 1, wherein the backrest tube (1) comprises an upper support rod (14) and a lower support rod (11), one end of the lower support rod (11) Connected with the upper support rod (14), the other end of the lower support rod (11) is hinged with the folding link (6), and the lower section of the lower support rod (11) is connected to the seat pocket sliding sleeve (8) Hinged, the middle section of the lower support rod (11) is hinged with the seat cushion tube (3). 6 . The foldable children's dining chair according to claim 5 , wherein the lower support rod ( 11 ) is Z-shaped. 7 . 7 . The foldable children's dining chair according to claim 1 , wherein the folding link ( 6 ) is in a V-shape with an obtuse angle, and the apex of the folding link ( 6 ) faces the front bracket ( 7 . 7). 8. The foldable children's dining chair according to claim 1, characterized in that: the front bracket (7) is provided with a seat pocket locking mechanism for restricting the sliding of the seat pocket sliding sleeve (8), the seat pocket A seat pocket unlocking mechanism for unlocking the seat pocket locking mechanism is provided on the sliding sleeve (8). 9. The foldable children's high chair according to any one of claims 1-8, wherein the seat pocket locking mechanism is a plurality of positioning holes (71) with different heights opened on the front bracket (7). ), the seat pocket sliding sleeve (8) is provided with a movable positioning block matched with the positioning hole (71), and the seat pocket release mechanism is a release button linked with the positioning block. 10. The foldable children's dining chair according to any one of claims 1-9, characterized in that: the upper end of the front bracket (7) is fixedly connected with the middle joint (10), and the rear bracket (5) is The upper end is hinged with the middle joint (10).

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