One-key folding type dining chair for children

Abstract

The utility model belongs to the technical field of child dining chairs, and discloses a one-key folding type child dining chair which comprises a seat, and a rail is arranged at the bottom of the seat. The backrest is hinged with one end of the seat; armrests are hinged to the two opposite sides of the backrest and extend in the direction away from the backrest; the top of the front supporting leg is connected with the first hinge shaft; the rear supporting legs are crossed with the front supporting legs, supporting rods are hinged to the tops of the rear supporting legs, and the other ends of the supporting rods are hinged to the sides, away from the backrest, of the armrests; the locking seat is fixed on the periphery of the supporting rod, and a locking rod matched with the locking seat is arranged in the locking seat; the locking seat is fixedly connected with a cross rod matched with the track; one end of the force application component is connected with the locking rod, the locking rod is separated from the locking seat by pulling the force application component, and the cross rod can slide along the track. The dining chair can be synchronously folded through single action, and the folding efficiency of the dining chair is improved.

Description

Technical Field

[0001] This utility model relates to the field of children's dining chair technology, specifically to a one-click folding children's dining chair. Background Technology

[0002] Traditional folding high chairs require unlocking multiple locking points and manually folding the components, which is cumbersome and poses a risk of joint jamming. Existing three-point folding mechanisms still require both hands to operate. There is an urgent need for a high chair that can fold quickly. Utility Model Content

[0003] To address the aforementioned technical issues, a one-click folding children's dining chair is provided, which can simultaneously fold and collapse the chair with a single action, thereby improving the folding efficiency of the dining chair.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is: a one-click folding children's dining chair, comprising,

[0005] The seat has a track at its bottom;

[0006] The backrest is hinged to one end of the seat via a first hinge axis; armrests are hinged to opposite sides of the backrest, extending away from the backrest; the track extends from the end of the seat away from the backrest to the end closer to the backrest, with a gap between it and the backrest.

[0007] The front outrigger has its bottom in contact with the ground and its top connected to the first hinge axis.

[0008] The rear support leg is arranged to cross the front support leg, and a support rod is hinged to the top. The other end of the support rod is hinged to the armrest on the side away from the backrest.

[0009] The connecting rod is located below the intersection of the front and rear outriggers, and its two ends are hinged to the corresponding rear and front outriggers respectively.

[0010] A locking seat is fixedly installed on the outer periphery of the support rod. It has a locking hole and a matching locking rod. The locking seat is fixedly connected to a crossbar that cooperates with the track. When the locking rod disengages from the locking hole, the crossbar rolls along the track to achieve seat folding.

[0011] The force-applying component is connected to the locking rod at one end. By pulling the force-applying component, the locking rod is disengaged from the locking seat, and the crossbar can slide along the track.

[0012] According to this utility model, the force-applying component is further defined as follows: a receiving cavity is provided at the upper position of the backrest, an unlocking handle is movably installed in the receiving cavity, the unlocking handle moves up and down along the receiving cavity, and the unlocking handle and the locking rod are connected by a steel rope. Pulling the unlocking handle causes the locking rod to disengage from the locking seat, thereby unlocking and folding at the same time.

[0013] According to this utility model, an arc-shaped hinge is provided at the intersection of the front support leg and the rear support leg, with one end of the hinge being hinged to the front support leg and the other end being hinged to the rear support leg.

[0014] According to this utility model, the backrest and seat surfaces are further provided with grooves to accommodate the steel rope, so that the steel rope is embedded in the grooves.

[0015] According to this utility model, the far end of the armrest is detachably connected to a dinner plate.

[0016] According to this utility model, the first hinge shaft is further provided with connecting sleeves at both ends, and the top of the front support leg is fixedly connected to the connecting sleeves.

[0017] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model achieves synchronous movement by connecting the unlocking handle and the locking rod with a steel rope, and the seat, backrest, armrests and front and rear support legs are connected by hinges to form a multi-link structure. When the unlocking handle is lifted, all parts of the children's dining chair can move synchronously, realizing one-click folding. The folding is flexible and easy to operate. Attached Figure Description

[0018] Figure 1 This is a first-view structural diagram of the one-click folding children's dining chair of this utility model;

[0019] Figure 2 This is a schematic diagram of the transmission structure of the unlocking handle and locking rod of this utility model;

[0020] Figure 3 This is a second-view structural diagram of the one-click folding children's dining chair of this utility model;

[0021] Figure 4 This is a schematic diagram illustrating the folding process of the one-click folding children's dining chair of this utility model;

[0022] Figure 5 This is a schematic diagram of the folded structure of the one-click folding children's dining chair of this utility model;

[0023] Figure 6 This is a schematic diagram of the locking seat of this utility model.

[0024] Reference numerals: 1. Backrest; 2. Seat; 3. Armrest; 4. Support rod; 5. Front support leg; 6. Rear support leg; 7. Linkage rod; 8. Dinner plate; 9. Dinner plate button; 10. Foot pedal; 11. Foot pedal button; 12. Locking seat; 121. Locking hole; 13. Hinge; 14. Connecting sleeve; 15. Unlocking handle; 16. Steel rope; 17. Locking rod; 18. Crossbar; 19. First hinge axis; 20. Second hinge axis; 21. Third hinge axis; 22. Fourth hinge axis; 23. Fifth hinge axis; 24. Sixth hinge axis; 25. Seventh hinge axis; 26. Crossbar track. Detailed Implementation

[0025] The following description is intended to disclose the present invention so that those skilled in the art can implement it. The preferred embodiments described below are merely examples, and other obvious variations will occur to those skilled in the art.

[0026] Please see Figure 1 and Figure 3 This application discloses a one-click folding children's dining chair, including a seat 2 and a backrest 1 connected thereto, which are connected by a first hinge shaft 19; armrests 3 are connected to opposite sides of the backrest 1 by a second hinge shaft 20, the armrests 3 extend away from the backrest 1, and a tray 8 is detachably connected to the far end of the armrest 3; the far end of the armrest 3 is connected to a support rod 4 by a third hinge shaft 21, the other end of the support rod 4 is connected to a rear support leg 6 by a fifth hinge shaft 23, and the top of the front support leg 5, which is arranged to cross the rear support leg 6, is connected to the first hinge shaft 19. Connecting sleeves 14 are fitted at both ends of the first hinge shaft 19, and the top of the front support leg 5 is fixedly connected to the connecting sleeves 14.

[0027] A connecting rod 7 is located below the intersection of the front support leg 5 and the rear support leg 6. The connecting rod 7 is connected to the rear support leg 6 via a sixth hinge shaft 24, and to the front support leg 5 via a seventh hinge shaft 25. The connecting rod 7 provides support for the front support leg 5 and the rear support leg 6, ensuring the stability of the dining chair during use.

[0028] A hinge 13 is provided at the intersection of the front support leg 5 and the rear support leg 6. The hinge 13 is arc-shaped. One end of the hinge 13 is connected to the front support leg 5 through the fourth hinge shaft 22, and the other end is connected to the rear support leg 6 through the fifth hinge shaft 23.

[0029] The bottom of the seat 2 is provided with a track 26, which extends from the end of the seat 2 away from the backrest 1 to the end closer to the backrest 1, with a gap between them; a locking seat 12 is fixedly connected to the outer periphery of the support rod 4, preferably by screws; a crossbar 18 that cooperates with the track 26 is fixed to the locking seat 12 by screws, and the crossbar 18 rolls in the track 26; in use, the crossbar 18 is located at the end of the track 26 closer to the backrest 1; during folding, it rolls to the end away from the backrest 1 until it rolls to the other end of the track 26, thus completing the folding.

[0030] Please see Figure 2 and Figure 6 A receiving cavity is provided at the upper position of the backrest 1. An unlocking handle 15 is movably installed in the receiving cavity. The unlocking handle 15 moves up and down along the receiving cavity. The surface of the locking seat 12 has a locking hole 121. A locking rod 17 that cooperates with the locking hole 121 is provided in the locking hole 121. The unlocking handle 15 and the locking rod 17 are connected by a steel rope 16. The surfaces of the backrest 1 and the seat 2 are both formed with grooves to accommodate the steel rope 16, so that the steel rope 16 is embedded in the groove. That is, while limiting the movement path of the steel rope 16, it will not protrude from the surface of the seat 2 and the backrest 1 and affect the sitting and leaning.

[0031] When folding is required, pull up the unlocking handle 15, and pull the locking rod 17 through the steel cable 16 to release it simultaneously from the locking hole 121 of the locking seat. The backrest 1, armrest 3, support rod 4, front leg 5, rear leg 6, and connecting rod 7 of the dining chair will form a multi-link movement. The crossbar 18 is fixed to the support rod 4 through the locking seat 12, so it moves synchronously. The movement of the crossbar 18 is transmitted to the seat 2 through the track 26, so that the seat 2 will fold and collapse synchronously with the folding of the dining chair.

[0032] A plate button 9 is provided between the plate 8 and the armrest 3 to allow the plate 8 to be detachably fixed. This structure is existing technology and will not be described in detail here.

[0033] An adjustable footrest 10 is hinged to the end of the seat 2 away from the backrest 1 via a hinge shaft. A footrest button 11 is installed at the end of the hinge shaft. The angle between the adjustable footrest 10 and the seat 2 can be adjusted by pressing the footrest button 11. This structure is prior art and will not be described in detail here.

[0034] The working principle of this utility model is as follows: Please refer to... Figure 4 and Figure 5 When folding is required, lifting the unlocking handle 15 triggers the linkage, the locking rod 17 disengages from the locking hole 121 of the locking seat, the front support leg 5 and the rear support leg 6 rotate along their intersection point and move closer together; at the same time, the crossbar 18 rolls along the track 26; the support rod 4 rotates around the fifth hinge axis 23 as the center, driving the armrest 3 to move downward, and at the same time driving the backrest 1 connected to it to move downward, that is, folding towards the seat 2, until the front support leg 5 and the rear support leg 6 are in contact, completing the folding.

[0035] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A one-click folding children's high chair, characterized in that, include, The seat has a track at its bottom; The backrest is hinged to one end of the seat via a first hinge axis; armrests are hinged to opposite sides of the backrest, extending away from the backrest; the track extends from the end of the seat away from the backrest to the end closer to the backrest, with a gap between it and the backrest. The front outrigger has its bottom in contact with the ground and its top connected to the first hinge axis. The rear support leg is arranged to cross the front support leg, and a support rod is hinged to the top. The other end of the support rod is hinged to the armrest on the side away from the backrest. The connecting rod is located below the intersection of the front and rear outriggers, and its two ends are hinged to the corresponding rear and front outriggers respectively. A locking seat is fixedly installed on the outer periphery of the support rod; it has a locking hole and a matching locking rod; the locking seat is fixedly connected to a crossbar that cooperates with the track. When the locking rod disengages from the locking hole, the crossbar rolls along the track to achieve seat folding. The force-applying component is connected to the locking rod at one end. By pulling the force-applying component, the locking rod is disengaged from the locking seat, and the crossbar can slide along the track.

2. The one-click folding children's high chair as described in claim 1, characterized in that, The force-applying component is: a receiving cavity is set at the upper part of the backrest, and an unlocking handle is movably installed in the receiving cavity. The unlocking handle moves up and down along the receiving cavity. The unlocking handle and the locking rod are connected by a steel rope. Pulling the unlocking handle will cause the locking rod to disengage from the locking seat, thereby unlocking and folding at the same time.

3. A one-click folding children's high chair as described in claim 1, characterized in that, An arc-shaped hinge is provided at the intersection of the front and rear outriggers, with one end of the hinge connected to the front outrigger and the other end connected to the rear outrigger.

4. A one-click folding children's high chair as described in claim 2, characterized in that, The backrest and seat surfaces are both formed with grooves to accommodate the steel rope, allowing the steel rope to be embedded in the grooves.

5. A one-click folding children's high chair as described in claim 1, characterized in that, A plate is detachably connected to the far end of the handrail.

6. A one-click folding children's high chair as described in claim 1, characterized in that, The first hinge shaft has connecting sleeves fitted at both ends, and the top of the front support leg is fixedly connected to the connecting sleeves.

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