Quick gathering type lifting chair with back I-shaped supporting structure

Abstract

The utility model relates to the technical field of folding chairs, in particular to a quick gathering type lifting chair with a back I-shaped supporting structure, which comprises two first supporting legs and two second supporting legs, and the two first supporting legs and the two second supporting legs are connected through rotating rods so as to realize hinge folding of the first supporting legs and the second supporting legs; the two back cushion supporting rods draw close to the close sides to drive the two first supporting rods to rotate and fold, so that the device is stored and folded in the front-back direction, the back cushion supporting rods move downwards to drive the back cushion supporting rods and the seat cushion supporting rod to fold and draw close, and the first supporting legs and the second supporting legs rotate, fold and draw close and draw close to the armrest plates. The sliding sleeve plate slides downwards on the surface of the first supporting leg, so that the device is stored and folded in the up-down direction and the left-right direction, full gathering and folding of the device are achieved, and the device occupies less space after being gathered.

Description

Technical Field

[0001] The utility model relates to the technical field of folding chairs, in particular to a quick-gathering lifting chair with an I-shaped back support structure. Background Art

[0002] A pull-out chair, also known as a folding chair or a gathering chair, is a chair that can be folded and stored for easy transport and storage.

[0003] Most of the existing folding chairs can only be gathered and stored by rotating and folding the chair back and the seat plate, but the volume of the folded and stored pull-up chair still occupies a large space. In order to further facilitate the gathering and storage of the pull-up chair, we propose a quick-gathering pull-up chair with an I-shaped back support structure. Utility Model Content

[0004] The utility model aims to solve the shortcomings of the prior art and proposes a quick-gathering pull-up chair with an I-shaped back support structure.

[0005] To achieve the above objectives, the technical solution adopted by the utility model is: a quick-folding lifting chair with an I-shaped back support structure, comprising two first support legs and two second support legs, wherein the two first support legs and the two second support legs are connected by a rotating rod to realize the hinged folding of the first support legs and the second support legs, and further comprising:

[0006] Two armrest plates, the two rotating rods are respectively hinged to the lower end surfaces of the two armrest plates through two limiting mechanisms;

[0007] Two seat cushion support rods, the two seat cushion support rods are respectively hinged to one end surface close to the two second support legs, the two end surfaces away from the two seat cushion support rods are rotatably connected to the sliding sleeve plates, the two first support legs are respectively slidably connected in the two sliding sleeve plates, the two end surfaces away from the two first support legs are fixedly connected to the limiting columns, and the two limiting columns are respectively limited to the two sliding sleeve plates;

[0008] Two back cushion support rods, the two back cushion support rods are respectively hinged to the two seat cushion support rods, and the two armrest plates are respectively hinged to the two back cushion support rods;

[0009] Two n-shaped connecting plates, the two n-shaped connecting plates are arranged between the two back pad support rods, the two n-shaped connecting plates are rotatably connected to two second support rods, the four second support rods are respectively hinged to the two back pad support rods, and a connecting rod is fixedly connected between the two n-shaped connecting plates;

[0010] Two first support rods, one end of the two first support rods is respectively hinged to the end surface of the two second support legs that are close to each other, the other ends of the two first support rods are respectively hinged to the lower end surfaces of the two seat cushion support rods, and the two first support rods are in a cross shape, and the middle parts of the two first support rods are hinged to each other.

[0011] Preferably, the limiting mechanism comprises a limiting plate, the limiting plate is fixedly connected to the lower end surface of the armrest plate, and the rotating rod is slidably engaged in the mountain-shaped hole of the limiting plate.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] When the device needs to be folded and stored in the present scheme, the upper N-shaped connecting plate is held and pulled upward to move the two armrest plates toward the adjacent side, and the two back cushion support rods are pressed downward, the N-shaped connecting plate moves upward to drive the four second support rods to fold, thereby driving the two back cushion support rods to move toward the adjacent side, the two back cushion support rods move toward the adjacent side and drive the two first support rods to rotate, fold and close together, thereby realizing the storage and folding of the device in the front and back directions, the back cushion support rod moves downward to drive the back cushion support rod and the seat cushion support rod to fold and close together, the first support leg and the second support leg rotate, fold and close together and merge with the armrest plate, and the sliding plate slides downward on the surface of the first support leg, thereby realizing the storage and folding of the device in the upper and lower and left and right directions, and then realizing the full gathering and folding of the device, so that the device occupies less space after being gathered.

[0014] In this solution, when it is necessary to adjust the angle between the back cushion support rod and the seat cushion support rod, the armrest plate is lifted up to drive the limit plate to move upward, so that the rotating rod is stuck in different positions of the mountain-shaped hole of the limit plate, thereby adjusting the distance between the armrest plate and the rotating rod and the back cushion support rod, and then adjusting the angle between the armrest plate and the seat cushion support rod, and finally adjusting the angle of the user's backrest, thereby meeting the requirements of users at different angles. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the first stereogram of the utility model;

[0016] Figure 2 for Figure 1 A magnified image of point A;

[0017] Figure 3 for Figure 1 A magnified view of point B;

[0018] Figure 4 It is a second stereoscopic view of the present utility model.

[0019] In the figure: 1. first supporting leg; 2. second supporting leg; 3. armrest plate; 4. seat cushion support rod; 5. back cushion support rod; 6. first supporting rod; 7. second supporting rod; 8. N-shaped connecting plate; 9. connecting rod; 10. limit plate; 11. sliding plate; 12. limit column. DETAILED DESCRIPTION

[0020] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0021] like Figure 1-Figure 4 The quick-folding lifting chair with an I-shaped back support structure shown in the figure comprises two first supporting legs 1 and two second supporting legs 2, wherein the two first supporting legs 1 and the two second supporting legs 2 are connected by a rotating rod to realize the hinged folding of the first supporting legs 1 and the second supporting legs 2, and further comprises:

[0022] Two armrest plates 3, two rotating rods are respectively hinged to the lower end surfaces of the two armrest plates 3 through two limiting mechanisms;

[0023] Two seat cushion support rods 4, the two seat cushion support rods 4 are respectively hinged to the end faces of the two second support legs 2 that are close to each other, the end faces of the two seat cushion support rods 4 that are far away from each other are rotatably connected with a sliding sleeve plate 11, the two first support legs 1 are respectively slidably connected in the two sliding sleeve plates 11, the end faces of the two first support legs 1 that are far away from each other are fixedly connected to the limiting columns 12, and the two limiting columns 12 are respectively limited to the two sliding sleeve plates 11;

[0024] Two back cushion support rods 5, the two back cushion support rods 5 are respectively hinged to the two seat cushion support rods 4, and the two armrest plates 3 are respectively hinged to the two back cushion support rods 5;

[0025] Two n-shaped connecting plates 8, the two n-shaped connecting plates 8 are arranged between the two back pad support rods 5, the two n-shaped connecting plates 8 are rotatably connected to two second support rods 7, the four second support rods 7 are respectively hinged to the two back pad support rods 5, and a connecting rod 9 is fixedly connected between the two n-shaped connecting plates 8;

[0026] Two first support rods 6, one end of the two first support rods 6 is respectively hinged to the end surface of the two second support legs 2 that are close to each other, the other ends of the two first support rods 6 are respectively hinged to the lower end surfaces of the two seat cushion support rods 4, and the two first support rods 6 are in a cross shape, and the middle parts of the two first support rods 6 are hinged to each other.

[0027] During operation, when the device needs to be folded and stored, the upper n-shaped connecting plate 8 is held and pulled upward to move the two armrest plates 3 toward the adjacent side, and the two back cushion support rods 5 are pressed downward. The n-shaped connecting plate 8 moves upward to drive the four second support rods 7 to fold, thereby driving the two back cushion support rods 5 to move toward the adjacent side. The two back cushion support rods 5 move toward the adjacent side to drive the two first support rods 6 to rotate, fold and close, thereby realizing the storage and folding of the device in the front and rear directions. The back cushion support rod 5 moves downward to drive the back cushion support rod 5 and the seat cushion support rod 4 to fold and close, and the first support leg 1 and the second support leg 2 The sliding plate 11 slides downward on the surface of the first supporting leg 1 after rotating and folding and merging with the armrest plate 3, thereby realizing the storage and folding of the device in the up and down and left and right directions, and then realizing the full gathering and folding of the device, so that the device occupies less space after gathering, thereby facilitating the storage and transportation of the device. When the device needs to be unfolded, the reverse operation can be performed. The canvas connected between the two seat cushion support rods 4 of the device can support the user's buttocks, and the canvas connected between the two back cushion support rods 5 can support the user's back. When unfolding and gathering, the canvas is flexible and can support the user without affecting the gathering and storage of the device.

[0028] Specifically, the limiting mechanism includes a limiting plate 10 , which is fixedly connected to the lower end surface of the armrest plate 3 , and the rotating rod is slidably engaged in a mountain-shaped hole of the limiting plate 10 .

[0029] During operation, when it is necessary to adjust the angle between the back cushion support rod 5 and the seat cushion support rod 4, the armrest plate 3 is lifted upward to drive the limit plate 10 to move upward, so that the rotating rod is stuck in different positions of the mountain-shaped hole of the limit plate 10, thereby adjusting the distance between the armrest plate 3 and the rotating rod and the back cushion support rod 5, and then adjusting the angle between the armrest plate 3 and the seat cushion support rod 4, and finally adjusting the angle of the user's backrest, so as to meet the requirements of users at different angles.

[0030] Working principle of this utility model:

[0031] When it is necessary to fold and store the device, hold the N-shaped connecting plate 8 on the upper side and pull it upwards, move the two armrest plates 3 to the adjacent side, and press the two back cushion support rods 5 downwards, the N-shaped connecting plate 8 moves upwards to drive the four second support rods 7 to fold, thereby driving the two back cushion support rods 5 to move closer to the adjacent side, and the two back cushion support rods 5 move closer to the adjacent side to drive the two first support rods 6 to rotate, fold and close together, thereby realizing the storage and folding of the device in the front and back directions, the back cushion support rod 5 moves downwards to drive the back cushion support rod 5 and the seat cushion support rod 4 to fold and move closer together, the first support leg 1 and the second support leg 2 rotate, fold, move closer together and merge with the armrest plate 3, and the sliding plate 11 slides downward on the surface of the first support leg 1, thereby realizing the storage and folding of the device in the upper and lower and left and right directions, thereby realizing the full gathering and folding of the device, so that the device occupies less space after gathering, thereby facilitating the storage and transportation of the device, and the reverse operation can be performed when the device needs to be unfolded.

[0032] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and the specification only describe the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements fall within the scope of the utility model to be protected, and the scope of protection required by the utility model is defined by the attached claims and their equivalents.

Claims

1. A quick-to-gather lift chair with an I-shaped back support structure, comprising two first support legs (1) and two second support legs (2), characterized in that: The two first supporting legs (1) and the two second supporting legs (2) are connected via a rotating rod to achieve hinged folding of the first supporting legs (1) and the second supporting legs (2), and further comprising: Two armrest plates (3), the two rotating rods being hinged to the lower end surfaces of the two armrest plates (3) respectively through two limiting mechanisms; Two seat cushion support rods (4), the two seat cushion support rods (4) are respectively hinged to the end faces of the two second support legs (2) that are close to each other, the end faces of the two seat cushion support rods (4) that are far away from each other are rotatably connected to a sliding sleeve plate (11), the two first support legs (1) are respectively slidably connected to the two sliding sleeve plates (11), the end faces of the two first support legs (1) that are far away from each other are fixedly connected to limiting columns (12), and the two limiting columns (12) are respectively limited to the two sliding sleeve plates (11); Two back cushion support rods (5), the two back cushion support rods (5) are respectively hinged to the two seat cushion support rods (4), and the two armrest plates (3) are respectively hinged to the two back cushion support rods (5); Two n-shaped connecting plates (8), the two n-shaped connecting plates (8) being arranged between the two back pad support rods (5), the two n-shaped connecting plates (8) being rotatably connected to two second support rods (7), the four second support rods (7) being respectively hinged to the two back pad support rods (5), and a connecting rod (9) being fixedly connected between the two n-shaped connecting plates (8); Two first support rods (6), one end of the two first support rods (6) are respectively hinged to one end surface of the two second support legs (2) that are close to each other, the other ends of the two first support rods (6) are respectively hinged to the lower end surfaces of the two seat cushion support rods (4), and the two first support rods (6) are in a cross shape, and the middle parts of the two first support rods (6) are hinged to each other.

2. The quick-gathering lifting chair with an I-shaped back support structure according to claim 1, characterized in that: The limiting mechanism comprises a limiting plate (10), the limiting plate (10) is fixedly connected to the lower end surface of the armrest plate (3), and the rotating rod is slidably engaged in a mountain-shaped hole of the limiting plate (10).

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