Multifunctional chair

Abstract

The utility model discloses a multifunctional chair which comprises a supporting structure, the supporting structure comprises a base, a first driving rod and a second driving rod, the two opposite sides of the base are rotationally connected with the first driving rod and the second driving rod respectively, and the first driving rod and the second driving rod are connected in a hinged mode; the backrest assembly is arranged on one opposite side of the base, and the backrest assembly is hinged to the base, so that the backrest assembly is parallel to the base or perpendicular to the base; the moving assembly is arranged at the bottom of the first driving rod and the bottom of the second driving rod and used for driving the supporting structure and the backrest assembly to move. The backrest frame can be folded by hinging the backrest frame to the base, the supporting legs can be folded through the first driving rods and the second driving rods, the portable degree is high, fixing and moving are convenient through the design of the universal wheel assemblies, and the practical use experience effect is better.

Description

Technical Field

[0001] The utility model relates to the technical field of chairs, in particular to a multifunctional chair. Background Art

[0002] Chairs are mainly used for people to sit and rest or climb up. They not only make people's lives convenient and comfortable, but also create convenient conditions for work and improve efficiency. Therefore, seats have always been indispensable furniture in people's lives. Existing folding chairs can only be simply folded, and the floor space is still large. In addition, the existing folding chairs lack moving components, which makes it inconvenient to carry. Based on this, a multifunctional chair is designed. Utility Model Content

[0003] In order to overcome at least one of the defects of the prior art, the utility model provides a multifunctional chair. The backrest frame can be folded by hinged connection between the backrest frame and the base, and the legs can be folded by the first active rod and the second active rod, so the chair is highly portable, and the universal wheel assembly is designed to facilitate fixation and movement, so the chair is more practical and has a better use experience.

[0004] The technical solution adopted by the utility model to solve the problem is:

[0005] A multifunctional chair comprises: a supporting structure, the supporting structure comprising a base, a first active rod and a second active rod, two opposite sides of the base are rotatably connected to a first active rod and a second active rod, and the first active rod and the second active rod are hingedly connected; a backrest assembly, the backrest assembly is arranged on an opposite side of the base, and the backrest assembly is hinged to the base so that the backrest assembly is parallel to the base or perpendicular to the base; a moving assembly, the moving assembly is arranged at the bottom of the first active rod and the second active rod, and is used to drive the supporting structure and the backrest assembly to move.

[0006] By adopting the above solution, the backrest frame can be folded by hingedly connecting the backrest frame and the base, and the supporting legs can also be folded by the first active rod and the second active rod. The portability is high, and the design of the universal wheel assembly facilitates fixing and moving, and the practical use experience is better.

[0007] Furthermore, the backrest assembly comprises: a backrest frame; a plurality of backrest plates, wherein the plurality of backrest plates are arranged at intervals in the center of the backrest frame; wherein a first rotating shaft is provided on the outer surfaces of the two side walls of the backrest frame.

[0008] Furthermore, the two side walls of the base are recessed inward to form a first movable groove, the circumference of the first movable groove is arranged in a serrated groove, and a second rotating shaft is installed inside the first movable groove, a gear is arranged at the end of the second rotating shaft, the gear is meshed and connected with the serrated groove, and a fixing rod is connected between the first rotating shaft and the second rotating shaft.

[0009] By adopting the above solution, the folding effect of the backrest frame is achieved by fixing the rod and cooperating with the first rotating shaft and the second rotating shaft.

[0010] Furthermore, mounting blocks are arranged on both sides of the top of one opposite side of the base, and a first mounting hole is formed through the center of the mounting block. Connecting blocks are arranged on the bottom of both sides of the backrest frame, and the connecting blocks are recessed inward to form a receiving groove, and the receiving groove is used to accommodate the mounting blocks. A second mounting hole is formed through the center of the connecting block, and a second rotating shaft is arranged between the first mounting hole and the second mounting hole.

[0011] By adopting the above solution, the rotation of the second rotating shaft drives the rotation of the backrest frame.

[0012] Furthermore, a longitudinally penetrating plug hole is provided on the second rotating shaft, mounting plates are provided on both sides of the base, a mounting hole is provided in the center of the mounting plate, and clamping strips are passed through the plug hole and the mounting hole.

[0013] By adopting the above solution, it is convenient to achieve a fixing effect through the cooperation between the clamping strip, the plug hole and the installation hole, thereby avoiding the angle change of the backrest frame.

[0014] Furthermore, two opposite sides of the base are recessed inward to form an installation groove, and the installation groove is partially recessed inward to form a second movable groove. A third rotating shaft is provided on one side of the installation groove, and a movable block is provided in the second movable groove. The movable block can slide relative to the second movable groove, and the third rotating shaft is connected to the end of the first active rod, and the movable block is connected to the end of the second active rod.

[0015] By adopting the above solution, the second active rod and the first active rod can be folded by sliding the moving block in the second moving groove, thereby achieving a storage effect.

[0016] Furthermore, the installation slot is provided with a fourth rotating shaft, a plug-in strip is rotatably connected to the fourth rotating shaft, plug-in slots are provided on the first active rod and the second active rod, and the plug-in strip is plug-fitted with the plug-in slots.

[0017] By adopting the above solution, the first active rod and the second active rod are fixed by plugging and matching the plug-in strip with the plug-in slot, which makes it convenient to sit on the chair.

[0018] Furthermore, the moving assembly includes a universal wheel and a locking mechanism, wherein the locking mechanism is used to lock the universal wheel and put it in a directional mode, and the locking mechanism is unlocked to restore the universal wheel to a universal moving mode.

[0019] By adopting the above solution, the universal wheel can be locked by the locking mechanism to prevent movement, and the locking mechanism can be unlocked to achieve the movement effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of the utility model;

[0021] Figure 2 This is a partial schematic diagram of the rear side of the backrest frame of an embodiment of the utility model;

[0022] Figure 3 This is a schematic diagram of the first moving slot of an embodiment of the utility model;

[0023] Figure 4 This is a schematic diagram of a first active rod and a second active rod in an embodiment of the utility model;

[0024] Among them, the meanings of the figure numbers are as follows: 1. supporting structure; 11. base; 111. first movable groove; 112. serrated groove; 113. second rotating shaft; 114. gear; 115. fixing rod; 116. mounting block; 117. mounting plate; 118. mounting groove; 1181. fourth rotating shaft; 1182. plug-in strip; 1183. plug-in groove; 119. second movable groove; 1110. third rotating shaft; 1111. moving block; 12. first active rod; 13. second active rod; 2. backrest assembly; 21. backrest frame; 211. first rotating shaft; 212. connecting block; 213. accommodating groove; 2131. clamping strip; 22. backrest plate; 3. moving assembly; 31. universal wheel; 32. locking mechanism. DETAILED DESCRIPTION

[0025] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described and discussed below in conjunction with the accompanying drawings of the present invention. Obviously, what is described here is only a part of the examples of the present invention, not all the examples. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0026] In order to facilitate the understanding of the embodiments of the present utility model, the following will be further explained by taking specific embodiments as examples in conjunction with the drawings, and each embodiment does not constitute a limitation on the embodiments of the present utility model.

[0027] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0029] See also Figure 1-Figure 4 The utility model discloses a multifunctional chair: comprising a support structure 1, a backrest assembly 2 and a moving assembly 3, wherein the support structure 1 comprises a base 11, a first active rod 12 and a second active rod 13, wherein two opposite sides of the base 11 are rotatably connected with a first active rod 12 and a second active rod 13, and the first active rod 12 and the second active rod 13 are hingedly connected, the backrest assembly is arranged at one opposite side of the base 11, and the backrest assembly 2 is hingedly connected to the base 11 so that the backrest assembly 2 is parallel to the base 11 or perpendicular to the base 11; the moving assembly 3 is arranged at the bottom of the first active rod 12 and the second active rod 13 to drive the support structure 1 and the backrest assembly 2 to move. The backrest frame 21 can be folded by hingedly connecting the backrest frame 21 with the base 11, and the legs can also be folded by the first active rod 12 and the second active rod 13, so the chair is highly portable, and the design of the universal wheel 31 assembly facilitates fixing and moving, and provides a better practical use experience.

[0030] Specifically, the moving component 3 includes a universal wheel 31 and a locking mechanism 32. The locking mechanism 32 is used to lock the universal wheel 31 and put it in a directional mode. After the locking mechanism 32 is unlocked, the universal movement mode of the universal wheel 31 is restored. The universal wheel 31 is locked by the locking mechanism 32 to prevent movement, and the locking mechanism 32 can also be unlocked to achieve the movement effect.

[0031] Specifically, the backrest assembly 2 includes a backrest frame 21 and a plurality of backrest plates 22, wherein the plurality of backrest plates 22 are arranged at intervals in the center of the backrest frame 21; wherein, the outer surfaces of the two side walls of the backrest frame 21 are provided with a first rotating shaft 211. The two side walls of the base 11 are recessed inward to form a first moving groove 111, the circumference of the first moving groove 111 is arranged at a sawtooth groove 112, and a second rotating shaft 113 is installed inside the first moving groove 111, a gear 114 is arranged at the end of the second rotating shaft 113, and the gear 114 is meshed and connected with the sawtooth groove 112, a fixing rod 115 is connected between the first rotating shaft 211 and the second rotating shaft 113, and the folding effect of the backrest frame 21 is achieved through the fixing rod 115 and in cooperation with the first rotating shaft 211 and the second rotating shaft 113.

[0032] In this embodiment, mounting blocks 116 are provided on both sides of the top of one opposite side of the base 11, and the center of the mounting block 116 is penetrated to form a first mounting hole, and connecting blocks 212 are provided on the bottom of both sides of the backrest frame 21, and the connecting blocks 212 are recessed inward to form a receiving groove 213, and the receiving groove 213 is used to accommodate the mounting block 116, and the center of the connecting block 212 is penetrated to form a second mounting hole, and a second rotating shaft 113 is provided between the first mounting hole and the second mounting hole, and the rotation of the second rotating shaft 113 drives the rotation of the backrest frame 21.

[0033] In this embodiment, a longitudinally penetrating plug-in hole is provided on the second rotating shaft 113, and mounting plates 117 are provided on both sides of the base 11. A mounting hole is provided in the center of the mounting plate 117. A snap-in strip 2131 is passed through the plug-in hole and the mounting hole, so as to achieve a fixing effect through the cooperation of the snap-in strip 2131 with the plug-in hole and the mounting hole, thereby avoiding the angle change of the backrest frame 21.

[0034] In this embodiment, the two opposite sides of the base 11 are recessed inward to form an installation groove 118, and the installation groove 118 is partially recessed inward to form a second movable groove 119. A third rotating shaft 1110 is provided on one side of the installation groove 118, and a moving block 1111 is provided in the second movable groove 119. The moving block 1111 can slide relative to the second movable groove 119, and the third rotating shaft 1110 is connected to the end of the first active rod 12, and the moving block 1111 is connected to the end of the second active rod 13. The second active rod 13 and the first active rod 12 can be folded by sliding the moving block 1111 in the second movable groove 119, thereby achieving a storage effect. The mounting groove 118 is provided with a fourth rotating shaft 1181, and a plug-in strip 1182 is rotatably connected to the fourth rotating shaft 1181. The first active rod 12 and the second active rod 13 are provided with plug-in grooves 1183, and the plug-in strip 1182 is plugged into and matched with the plug-in groove 1183. By plugging and matching the plug-in strip 1182 with the plug-in groove 1183, the first active rod 12 and the second active rod 13 are fixed, making it convenient to sit on the chair.

[0035] The technical means disclosed in the solution of the utility model are not limited to the technical means disclosed in the above-mentioned implementation mode, but also include technical solutions composed of any combination of the above technical features. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model, and these improvements and modifications are also regarded as the protection scope of the utility model.

Claims

1. A multifunctional chair, characterized in that: include: A support structure, the support structure comprising a base, a first active rod and a second active rod, two opposite sides of the base are rotatably connected with a first active rod and a second active rod, and the first active rod and the second active rod are hingedly connected; a backrest assembly, the backrest assembly being disposed on an opposite side of the base and being hinged to the base so that the backrest assembly is parallel to the base or perpendicular to the base; A moving assembly is arranged at the bottom of the first active rod and the second active rod, and is used to drive the support structure and the backrest assembly to move.

2. A multifunctional chair according to claim 1, characterized in that: The backrest assembly comprises: Backrest frame; A plurality of backrest plates, wherein the plurality of backrest plates are arranged at intervals in the center of the backrest frame; Wherein, the outer surfaces of the two side walls of the backrest frame are provided with a first rotating shaft.

3. A multifunctional chair according to claim 2, characterized in that: The two side walls of the base are recessed inward to form a first movable groove, the circumference of the first movable groove is arranged in a serrated groove, and a second rotating shaft is installed inside the first movable groove, a gear is arranged at the end of the second rotating shaft, the gear is meshed and connected with the serrated groove, and a fixing rod is connected between the first rotating shaft and the second rotating shaft.

4. A multifunctional chair according to claim 3, characterized in that: Mounting blocks are arranged on both sides of the top of one opposite side of the base, and the center of the mounting block is penetrated to form a first mounting hole, and connecting blocks are arranged on the bottom of both sides of the backrest frame, and the connecting blocks are recessed inward to form a receiving groove, and the receiving groove is used to receive the mounting blocks, and the center of the connecting block is penetrated to form a second mounting hole, and a second rotating shaft is arranged between the first mounting hole and the second mounting hole.

5. A multifunctional chair according to claim 4, characterized in that: The second rotating shaft is provided with a longitudinally penetrating plug hole, and mounting plates are provided on both sides of the base. A mounting hole is provided in the center of the mounting plate, and a clamping strip is passed through the plug hole and the mounting hole.

6. A multifunctional chair according to claim 5, characterized in that: The two opposite sides of the base are recessed inward to form an installation groove, and the installation groove is partially recessed inward to form a second movable groove. A third rotating shaft is provided on one side of the installation groove, and a movable block is provided in the second movable groove. The movable block can slide relative to the second movable groove, and the third rotating shaft is connected to the end of the first active rod, and the movable block is connected to the end of the second active rod.

7. A multifunctional chair according to claim 6, characterized in that: The installation slot is provided with a fourth rotating shaft, a plug-in strip is rotatably connected to the fourth rotating shaft, plug-in slots are provided on the first active rod and the second active rod, and the plug-in strip is plug-matched with the plug-in slots.

8. The multifunctional chair according to claim 7, characterized in that: The moving assembly comprises a universal wheel and a locking mechanism, wherein the locking mechanism is used to lock the universal wheel and put it in a directional mode, and the locking mechanism is unlocked to restore the universal wheel to a universal moving mode.

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