Multifunctional folding dining chair

Abstract

The utility model relates to a multifunctional folding dining chair. A pair of front foot rods, a pair of rear foot rods, a chair seat assembly and a backrest assembly serve as a main body, wherein the chair seat assembly and the backrest assembly are installed on the front foot rods and the rear foot rods respectively. A plurality of chair seat assembly height adjusting holes matched with the sleeving assemblies are formed in the front foot rods; a plurality of backrest assembly height adjusting holes matched with the sleeving assemblies are formed in the rear foot rods, and the backrest assembly is connected to the two rear foot rods through the sleeving assemblies; a hinge assembly which can be matched with the front foot rod to draw close and fold towards the rear foot rod is arranged between the upper parts of the front foot rod and the rear foot rod; according to the multifunctional folding dining chair, the spring lock pin is matched with the abutting through hole, so that the multifunctional folding dining chair is in an unfolded state; after the spring lock pin is pushed out from the abutting through hole, the multifunctional folding dining chair is in a foldable state, operation is convenient, carrying and storage are convenient, and occupied space is reduced; meanwhile, the distance between the leaning seat assembly and the backrest assembly can be adjusted to meet the use requirements of different people, and the application range is wide.

Description

Technical Field

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

[0002] Most of the existing children's dining chairs have enough functions to provide more functions for children's eating, but except for the need to use children's dining chairs during the eating process, the frequency of use is not high in other situations, resulting in insufficient utilization of children's dining chairs; in order to facilitate storage and improve utilization, we designed folding dining chairs. As the name suggests, the lightweight, stackable seats are easy to move and save space.

[0003] At the same time, taking into account the fact that children's physical development is not complete and they are active, the height of key components such as the seat and backrest can be adjusted to match the height of the child. Utility Model Content

[0004] In order to solve the above problems, the utility model provides a multifunctional folding dining chair.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a multifunctional foldable dining chair, which is mainly composed of a pair of front foot rods, a pair of rear foot rods, and a seat assembly and a backrest assembly respectively installed on the front foot rods and the rear foot rods; the front foot rods are provided with a footrest assembly and a sleeve assembly, the front foot rods are provided with a plurality of seat assembly height adjustment holes that match the sleeve assembly, and the seat assembly and the footrest assembly are respectively connected to the two front foot rods in an arranged shape through the sleeve assembly; the rear foot rods are provided with a plurality of backrest assembly height adjustment holes that match the sleeve assembly, and the backrest assembly is connected to the two rear foot rods through the sleeve assembly; a hinge assembly is provided between the upper parts of the front foot rod and the rear foot rod, which can cooperate with the front foot rod to fold toward the rear foot rod.

[0006] Preferably, the backrest assembly is provided with a pin fixing seat, a spring locking pin, an auxiliary pin, and a locking pin locking seat; the pin fixing seat and the locking pin locking seat are respectively fixedly connected to the rear foot rod and the front foot rod, and the pin fixing seat and the locking pin locking seat are locked by connecting the main shaft; the auxiliary pin and the spring locking pin are respectively installed in the pin fixing seat.

[0007] Preferably, the pin shaft fixing seat is provided with a conflicting through hole and at least two arc-segment waist-shaped grooves, one of which cooperates with the auxiliary pin, and the conflicting through hole runs through one of the arc-segment waist-shaped grooves; when the spring locking pin cooperates with the conflicting through hole, the multifunctional foldable dining chair is in an open state; after the spring locking pin is pushed out of the conflicting through hole, the multifunctional foldable dining chair is in a foldable state.

[0008] Preferably, the seat assembly is provided with a seat fixing frame, a seat movable frame, a handle, a seat adjustment slot, a slider, a boss and a limit column, the two ends of the seat fixing frame are fixedly connected to the sleeve assembly, the limit column and the seat adjustment slot are located on the seat movable frame, the boss is fixedly connected to the handle, and the slider is connected between the handle and the seat movable frame.

[0009] Preferably, the handle and the slider are provided with a guide hole and a V-shaped slide rail respectively, and the handle is pulled to make the boss slide in the V-shaped slide rail of the slider, so that the slider can be disengaged from the seat adjustment groove matched therewith.

[0010] Preferably, the backrest assembly is provided with a flexible backrest, a backrest fixing frame, a backrest movable frame, a backrest adjustment slot and a push button, the backrest movable frame is sleeved on the backrest fixing frame, the backrest fixing frame is connected to the two rear foot rods through a sleeve assembly, a plurality of backrest adjustment slots are arranged in the backrest fixing frame, and the flexible backrest is installed on the backrest movable frame.

[0011] Preferably, the movable frame of the chair back is provided with a movable pin, a movable shaft and a fixed shaft, the button is connected to the movable frame of the chair back through the fixed shaft, the movable pin is connected to one end of the button through the insertion of the movable shaft, and the positional relationship between the flexible chair back and the fixed frame of the chair back is adjusted and restricted by the cooperation between the movable pin and the chair back adjustment groove.

[0012] Preferably, the socket assembly is provided with a spring latch, a concave arc segment spiral step and a knob, and the spring latch is installed in the knob.

[0013] Preferably, the knob is provided with a convex arc segment spiral step, and the convex arc segment spiral step and the concave arc segment spiral step are coordinated to move by rotating the knob, so that the knob drives the spring latch to disengage from the adjustment hole.

[0014] The beneficial effects of the utility model are as follows: the multifunctional foldable dining chair is in an open state through the cooperation of the spring locking pin and the interference through hole; after the spring locking pin is pushed out from the interference through hole, the multifunctional foldable dining chair is in a foldable state, which is easy to operate and convenient to carry and store, i.e., it reduces the space occupied; at the same time, the seat assembly and the backrest assembly can adjust the distance separately to meet the use needs of different people, the design is ingenious, and the application range is wide. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the multifunctional folding dining chair.

[0016] Figure 2 The present invention is a front view of the multifunctional folding dining chair.

[0017] Figure 3 for Figure 2 Stereoscopic image after cutting at AA in the middle.

[0018] Figure 4 for Figure 3 A partial enlarged view of point B in the middle.

[0019] Figure 5 The present invention is an axonometric drawing of the multifunctional folding dining chair.

[0020] Figure 6 for Figure 5 A partial enlarged view of point C in the middle.

[0021] Figure 7 It is a stereoscopic diagram of the hinge assembly and sleeve assembly of the multifunctional foldable dining chair after being unfolded.

[0022] Figure 8 for Figure 7 A partial enlarged view of point D in the middle.

[0023] Fig. 9 The present invention is an axonometric diagram of the hinge assembly and sleeve assembly of the multifunctional foldable dining chair after being unfolded.

[0024] Fig.10 for Fig. 9 A partial enlarged view of point E in the middle.

[0025] In the figure: 1, front foot rod; 2, rear foot rod, 21, adjustment hole; 3, seat assembly, 31, handle, 32, guide hole, 33, seat adjustment slot, 34, slider, 35, boss, 36, V-shaped slide rail, 37, limit column, 38, seat fixing frame, 39, seat movable frame; 4, backrest assembly, 41, flexible backrest, 42, backrest fixing frame, 43, backrest movable frame, 44, backrest adjustment slot, 45, Movable pin, 46, movable shaft, 47, fixed shaft, 48, push button; 5, hinge assembly, 51, pin shaft fixing seat, 52, spring locking pin, 53, auxiliary pin, 54, arc segment waist groove, 55, interference through hole, 56, locking pin locking seat; 6, cross bar; 7, pedal assembly; 8, socket assembly, 81, spring latch, 82, convex arc segment spiral step, 83, concave arc segment spiral step, 84, knob; 9, connecting main shaft. DETAILED DESCRIPTION

[0026] In order to make the technical solution of the present invention clearer, the present invention is further explained below in conjunction with the specific embodiments of the drawings; it should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0027] like Figure 1-10As shown, the utility model is a multifunctional folding dining chair, which is mainly composed of a pair of front foot rods 1, a pair of rear foot rods 2, and a seat assembly 3 and a backrest assembly 4 respectively mounted on the front foot rods 1 and the rear foot rods 2; the front foot rod 1 is provided with a footrest assembly 7 and a sleeve assembly 8, the front foot rod 1 is provided with a plurality of seat assembly 3 height adjustment holes 21 matching the sleeve assembly 8, the seat assembly 3 and the footrest assembly 7 are respectively connected to the two front foot rods 1 in an arranged manner through the sleeve assembly 8; the rear foot rod 2 is provided with a plurality of backrest assembly 4 height adjustment holes 21 matching the sleeve assembly 8, the backrest assembly 4 is connected to the two rear foot rods 2 through the sleeve assembly 8; a hinge assembly 5 is provided between the upper parts of the front foot rod 1 and the rear foot rod 2, which can cooperate with the front foot rod 1 to fold toward the rear foot rod 2.

[0028] In this embodiment, the backrest assembly 4 is provided with a pin fixing seat 51, a spring locking pin 52, an auxiliary pin 53, and a locking pin locking seat 56; the pin fixing seat 51 and the locking pin locking seat 56 are respectively fixedly connected to the rear foot rod 2 and the front foot rod 1, and the pin fixing seat 51 and the locking pin locking seat 56 are locked by connecting the main shaft 9; the auxiliary pin 53 and the spring locking pin 52 are respectively installed in the pin fixing seat 51.

[0029] In this embodiment, the pin shaft fixing seat 51 is provided with a conflicting through hole 55 and at least two arc-segment waist-shaped grooves 54, one of which cooperates with the auxiliary pin 53, and the conflicting through hole 55 runs through one of the arc-segment waist-shaped grooves 54; when the spring locking pin 52 cooperates with the conflicting through hole 55, the multifunctional foldable dining chair is in an open state; after the spring locking pin 52 is pushed out of the conflicting through hole 55, the multifunctional foldable dining chair is in a foldable state.

[0030] In this embodiment, the seat assembly 3 is provided with a seat fixing frame 38, a seat movable frame 39, a handle 31, a seat adjustment groove 33, a slider 34, a boss 35 and a limit column 37. Both ends of the seat fixing frame 38 are fixedly connected to the socket assembly 8, the limit column 37 and the seat adjustment groove 33 are located on the seat movable frame 39, the boss 35 is fixedly connected to the handle 31, and the slider 34 is connected between the handle 31 and the seat movable frame 39.

[0031] In this embodiment, the handle 31 and the slider 34 are respectively provided with a guide hole 32 and a V-shaped slide rail 36. By pulling the handle 31, the boss 35 slides in the V-shaped slide rail 36 of the slider 34, so that the slider 34 can be disengaged from the seat adjustment groove 33 matched therewith.

[0032] In this embodiment, the backrest assembly 4 is provided with a flexible backrest 41, a backrest fixed frame 42, a backrest movable frame 43, a backrest adjustment slot 44 and a push button 48. The backrest movable frame 43 is sleeved on the backrest fixed frame 42. The backrest fixed frame 42 is connected to the two rear foot rods 2 through a socket assembly 8. A plurality of backrest adjustment slots 44 are arranged in the backrest fixed frame 42. The flexible backrest 41 is installed on the backrest movable frame 43.

[0033] In this embodiment, the movable frame 43 of the chair back is provided with a movable pin 45, a movable shaft 46 and a fixed shaft 47. The button is connected to the movable frame 43 of the chair back through the fixed shaft 47. The movable pin 45 is connected to one end of the button through the insertion of the movable shaft 46. The positional relationship between the flexible chair back 41 and the chair back fixed frame 42 is adjusted by the cooperation between the movable pin 45 and the chair back adjustment groove 44.

[0034] In this embodiment, the sleeve assembly 8 is provided with a spring latch 81 , a concave arc segment spiral step 83 and a knob 84 , and the spring latch 81 is installed in the knob 84 .

[0035] In this embodiment, the knob 84 is provided with a convex arc segment spiral step 82 , and the convex arc segment spiral step 82 and the concave arc segment spiral step 83 are moved in coordination by rotating the knob 84 , so that the knob 84 drives the spring latch 81 to disengage from the adjustment hole 21 .

[0036] When in use, first, the spring lock pin 52 cooperates with the abutment through hole 55, and at this moment, the auxiliary pin 53 moves to the end of the arc-segment waist-shaped groove 54, that is, the multifunctional foldable dining chair is in an open state;

[0037] During this process, when it is necessary to adjust the extension distance of the seat assembly 3, the handle 31 is pulled to make the boss 35 slide in the V-shaped slide rail 36 of the slider 34, so that the slider 34 can be disengaged from the seat adjustment groove 33 that cooperates with it, that is, the extension distance of the seat assembly 3 is adjusted to meet the sitting needs of the human body.

[0038] During this process, when it is necessary to adjust the extension distance of the backrest assembly 4, press the button to adjust the position relationship between the flexible backrest 41 and the backrest fixing frame 42 through the cooperation between the movable pin 45 and the backrest adjustment slot 44, thereby adjusting the extension distance of the flexible backrest 41 to meet the human body's leaning needs.

[0039] Next, after the spring lock pin 52 is pushed out from the conflicting through hole 55, the multifunctional foldable dining chair is in a foldable state, thereby being easy to carry and store, that is, reducing the space occupied.

[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A multifunctional folding dining chair, characterized by: The main body is composed of a pair of front foot rods, a pair of rear foot rods, and a seat assembly and a backrest assembly respectively installed on the front foot rods and the rear foot rods; the front foot rod is provided with a footrest assembly and a sleeve assembly, the front foot rod is provided with a plurality of seat assembly height adjustment holes matching the sleeve assembly, the seat assembly and the footrest assembly are respectively connected to the two front foot rods in an arranged shape through the sleeve assembly; the rear foot rod is provided with a plurality of backrest assembly height adjustment holes matching the sleeve assembly, the backrest assembly is connected to the two rear foot rods through the sleeve assembly; a hinge assembly is provided between the upper parts of the front foot rod and the rear foot rod, which can match the front foot rod and fold toward the rear foot rod.

2. The multifunctional foldable dining chair according to claim 1 is characterized in that: The backrest assembly is provided with a pin shaft fixing seat, a spring locking pin, an auxiliary pin, and a locking pin locking seat; the pin shaft fixing seat and the locking pin locking seat are respectively fixedly connected to the rear foot rod and the front foot rod, and the pin shaft fixing seat and the locking pin locking seat are locked by connecting the main shaft; the auxiliary pin and the spring locking pin are respectively installed in the pin shaft fixing seat.

3. A multifunctional foldable dining chair according to claim 2, characterized in that: The pin shaft fixing seat is provided with a conflicting through hole and at least two arc-segment waist-shaped grooves, one of which cooperates with the auxiliary pin, and the conflicting through hole runs through one of the arc-segment waist-shaped grooves; when the spring locking pin cooperates with the conflicting through hole, the multifunctional foldable dining chair is in an open state; after the spring locking pin is pushed out of the conflicting through hole, the multifunctional foldable dining chair is in a foldable state.

4. The multifunctional foldable dining chair according to claim 1 is characterized in that: The seat assembly is provided with a seat fixing frame, a seat movable frame, a handle, a seat adjustment slot, a slider, a convex column and a limit column. Both ends of the seat fixing frame are fixedly connected to the sleeve assembly, the limit column and the seat adjustment slot are located on the seat movable frame, the convex column is fixedly connected to the handle, and the slider is connected between the handle and the seat movable frame.

5. The multifunctional foldable dining chair according to claim 4 is characterized in that: The handle and the slider are respectively provided with a guide hole and a V-shaped slide rail. By pulling the handle, the protruding column slides in the V-shaped slide rail of the slider, so that the slider can be separated from the seat adjustment groove matched therewith.

6. The multifunctional foldable dining chair according to claim 1 is characterized in that: The backrest assembly is provided with a flexible backrest, a backrest fixing frame, a backrest movable frame, a backrest adjustment slot and a push button. The backrest movable frame is sleeved on the backrest fixing frame. The backrest fixing frame is connected to two rear foot rods through a sleeve assembly. A plurality of backrest adjustment slots are arranged in the backrest fixing frame. The flexible backrest is installed on the backrest movable frame.

7. A multifunctional foldable dining chair according to claim 6, characterized in that: The movable frame of the chair back is provided with a movable pin and a movable shaft fixed shaft, the button is connected to the movable frame of the chair back through the fixed shaft, the movable pin is connected to one end of the button through the insertion of the movable shaft, and the position relationship between the flexible chair back and the chair back fixed frame is adjusted and restricted by the cooperation between the movable pin and the chair back adjustment groove.

8. The multifunctional foldable dining chair according to claim 1 is characterized in that: The sleeve connection assembly is provided with a spring latch, a concave arc segment spiral step and a knob, and the spring latch is installed in the knob.

9. The multifunctional foldable dining chair according to claim 8, characterized in that: The knob is provided with a convex arc segment spiral step, and the convex arc segment spiral step and the concave arc segment spiral step are moved in coordination by rotating the knob, so that the knob drives the spring latch to disengage from the adjustment hole.

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