Adsorption type armrest structure of chair

Abstract

The utility model provides an adsorption type armrest structure of a chair. The adsorption type armrest structure of the chair comprises two fixed boxes, the two fixed boxes are mounted in the middle of the two sides of the chair through mounting pieces, sealing covers are mounted at the tops of the fixed boxes, movable openings are formed in the tops of the sealing covers, movable discs are rotationally connected into the fixed boxes, and the movable discs are rotationally connected with the fixed boxes. Connecting bolts are fixedly connected to the positions, located on the top, of the outer surface of the movable disc correspondingly, and butt joint pipes are fixedly connected to the tops of the connecting bolts correspondingly. According to the adsorption type armrest structure of the chair, the movable rod can be separated from the butt joint pipe only by pulling the movable rod to separate the first magnet from the second magnet, and the whole armrest can be taken down by pulling the limiting bolt out of the interior of the magnetic suction cup, so that the chair can be quickly mounted when the armrest is required by the chair through the structure; the handrail does not need to be quickly dismounted, replacement during later damage is facilitated, and meanwhile the using flexibility of the handrail is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of adsorption type armrests, in particular to an adsorption type armrest structure for a chair. Background Art

[0002] A chair is a piece of furniture for daily life, a kind of seat with a backrest and armrests. Modern chairs pursue beauty and fashion. Some chairs are no longer just seats. With the combination of technology, they make human life more convenient.

[0003] The chair is composed of a backrest, legs, a seat and armrests. The armrests are installed on the seat. In order to increase the stability of the armrests, the armrests also need to be connected to the backrest. The armrests can be connected by rotating so that the angle of the backrest will not be affected.

[0004] The traditional armrests are installed on the chair by bolts, which makes disassembly and installation more troublesome. If the armrests need to be disassembled when not in use or the armrests are damaged and need to be replaced, it is inconvenient to disassemble, thereby reducing the flexibility of the chair armrests.

[0005] Therefore, it is necessary to provide a chair adsorption type armrest structure to solve the above technical problems. Utility Model Content

[0006] The utility model provides a chair adsorption type armrest structure, which solves the problem that the armrest is installed on the chair by bolts, and if the armrest is not needed and needs to be disassembled or is damaged and needs to be replaced, it is inconvenient to disassemble and reduces the use flexibility of the chair armrest.

[0007] In order to solve the above technical problems, the utility model provides a chair adsorption type armrest structure comprising: a seat and a backrest;

[0008] Two fixing boxes, the two fixing boxes are installed at the middle positions of both sides of the seat through mounting plates, the tops of the fixing boxes are installed with sealing covers, the tops of the sealing covers are provided with movable openings, the insides of the fixing boxes are rotatably connected with movable disks, the outer surfaces of the movable disks are fixedly connected with connecting bolts at the top positions, the tops of the connecting bolts are fixedly connected with docking tubes, the bottoms of the inner walls of the docking tubes are fixedly connected with second magnets, one side of the inner walls of the docking tubes is fixedly connected with limiting strips, the tops of the docking tubes are provided with movable rods, the bottoms of the movable rods are fixedly connected with first magnets, and the tops of the movable rods are rotatably connected with armrests;

[0009] Two mounting tubes are installed on both sides of the backrest near the middle position, and the opposite ends of the two mounting tubes are provided with sockets, and the insides of the two sockets are rotatably connected with magnetic suction cups, and the insides of the two sockets are provided with limit bolts, and the opposite ends of the two limit bolts are fixedly connected with fixing bolts.

[0010] The backrest of the seat is installed on the back, and the armrest is installed on the side. The connecting bolt passes through the movable port. A groove is opened on one side of the second magnet to allow the limit strip to be inserted. The first magnet is attracted to the second magnet. The shape of the socket can refer to Figure 3 The magnetic chuck is a magnet, one end of the magnetic chuck is provided with a hexagonal groove, and the limit bolt is hexagonal.

[0011] Preferably, a connecting block is provided on the top of the backrest, and a headrest is fixedly connected to the top of the connecting block.

[0012] There is a hole at the top of the backrest for the connecting block to be inserted.

[0013] Preferably, a cushion is installed on the top of the armrest, and an elbow is fixedly connected to the other end of the armrest.

[0014] Preferably, a seat cushion is installed on the top of the seat, and a ventilation hole is opened on the top of the seat cushion.

[0015] The cushion is soft and can be placed on the seat.

[0016] Preferably, a chassis is installed at the bottom of the seat, and the back side of the chassis is rotatably connected to the front side of the backrest at the bottom through a connecting rod.

[0017] The chassis is an existing structure that can adjust the backrest angle.

[0018] Preferably, an adjusting rod is provided on one side of the chassis, and a lifting structure is installed on the bottom of the chassis.

[0019] Chair legs are installed at the bottom of the lifting structure.

[0020] Compared with the related art, the chair adsorption type armrest structure provided by the utility model has the following beneficial effects:

[0021] The utility model provides a chair adsorption type armrest structure. When the adsorption type armrest needs to be installed on the chair, firstly, two fixing boxes with butt-jointed pipes are installed on both sides of the seat through mounting plates, and two mounting tubes are installed on both sides of the backrest at the same time. Then, the first magnet on the movable rod is inserted into the inside of the butt-jointed pipe, and the groove of the first magnet and the limit strip are butted together. After the first magnet is inserted into the inside of the butt-jointed pipe, it will be adsorbed together with the second magnet, so that the movable rod can be installed on the butt-jointed pipe. After the movable rod is installed, it only needs to insert the limit bolt installed on the armrest through the fixing bolt from the socket, so that the limit bolt is stuck in the magnetic suction The inside of the plate allows the two to be adsorbed together. When the angle of the backrest is adjusted, the movable plate inside the fixed box can drive the movable rod to adjust the angle, and the magnetic suction cup rotates inside the mounting tube, so that the armrest can adjust the angle accordingly. When the armrest needs to be removed, you only need to pull the movable rod to separate the first magnet and the second magnet, so that the movable rod and the docking tube can be separated, and at the same time, pull out the limit bolt from the inside of the magnetic suction cup, and the entire armrest can be removed. Through this structure, the armrest can be quickly installed when the chair needs it, and the armrest does not need to be quickly removed, which is convenient for replacement when it is damaged later and increases the flexibility of using the armrest. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A structural schematic diagram of a preferred embodiment of the chair adsorption type armrest structure provided by the utility model;

[0023] Figure 2 A structural schematic diagram of a movable disk is provided for the utility model;

[0024] Figure 3 A structural schematic diagram of a mounting pipe is provided for the utility model;

[0025] Figure 4 Provided for the utility model Figure 3 An enlarged view of point A is shown;

[0026] Figure 5 The utility model provides a structural schematic diagram of a chassis.

[0027] Numbers in the figure: 1. seat, 2. fixing box, 3. movable rod, 4. elbow, 5. cushion, 6. air vent, 7. cushion, 8. armrest, 9. mounting tube, 10. backrest, 11. connecting block, 12. headrest, 13. connecting bolt, 14. docking tube, 15. limiting strip, 16. first magnet, 17. second magnet, 18. movable port, 19. movable disk, 20. mounting plate, 21. sealing cover, 22. magnetic suction cup, 23. fixing bolt, 24. limiting bolt, 25. socket, 26. lifting structure, 27. connecting rod, 28. adjusting rod, 29. chassis. DETAILED DESCRIPTION

[0028] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0029] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A structural schematic diagram of a preferred embodiment of the chair adsorption type armrest structure provided by the utility model; Figure 2 A structural schematic diagram of a movable disk is provided for the utility model; Figure 3 A structural schematic diagram of a mounting pipe is provided for the utility model; Figure 4 Provided for the utility model Figure 3 An enlarged view of point A is shown; Figure 5 The utility model provides a structural schematic diagram of the chassis. The chair adsorption armrest structure includes: a seat 1, a backrest 10;

[0030] Two fixed boxes 2, the two fixed boxes 2 are installed at the middle positions on both sides of the seat 1 through the mounting plates 20, the tops of the fixed boxes 2 are installed with sealing covers 21, the tops of the sealing covers 21 are provided with movable openings 18, the interiors of the fixed boxes 2 are rotatably connected with movable disks 19, the outer surfaces of the movable disks 19 are fixedly connected with connecting bolts 13 at the top, the tops of the connecting bolts 13 are fixedly connected with docking tubes 14, the bottoms of the inner walls of the docking tubes 14 are fixedly connected with second magnets 17, one side of the inner walls of the docking tubes 14 are fixedly connected with limiting strips 15, the tops of the docking tubes 14 are provided with movable rods 3, the bottoms of the movable rods 3 are fixedly connected with first magnets 16, and the tops of the movable rods 3 are rotatably connected with armrests 8;

[0031] Two mounting tubes 9 are mounted on both sides of the backrest 10 near the middle position. A socket 25 is provided at the opposite ends of the two mounting tubes 9. A magnetic suction cup 22 is rotatably connected inside the two sockets 25. A limit bolt 24 is provided inside the two sockets 25. A fixing bolt 23 is fixedly connected at the opposite ends of the two limit bolts 24.

[0032] The backrest 10 of the seat 1 is installed at the back, and the armrest 8 is installed at the side. The connecting bolt 13 passes through the movable opening 18. A groove is provided on one side of the second magnet 17 to allow the limit strip 15 to be inserted. The first magnet 16 is attracted to the second magnet 17. The shape of the socket 25 can refer to Figure 3 The magnetic chuck 22 is a magnet, and a hexagonal groove is formed at one end of the magnetic chuck 22 . The limit bolt 24 is hexagonal, and the limit bolt 24 passes through the socket 25 and is inserted into the groove formed at one end of the magnetic chuck 22 .

[0033] A connecting block 11 is disposed on the top of the backrest 10 , and a headrest 12 is fixedly connected to the top of the connecting block 11 .

[0034] The top of the backrest 10 begins to have an opening into which a connecting block 11 can be inserted, and is used to install a headrest 12.

[0035] A cushion 7 is installed on the top of each of the armrests 8 , and an elbow 4 is fixedly connected to the other end of each of the armrests 8 .

[0036] The cushion 7 is made of leather or suede, and the elbow 4 is convenient for hand holding.

[0037] A seat cushion 5 is installed on the top of the seat 1 , and a ventilation hole 6 is opened on the top of the seat cushion 5 .

[0038] The seat cushion 5 is soft, and the seat cushion 5 can be placed on the seat 1 or fixed thereto by bolts.

[0039] A chassis 29 is installed at the bottom of the seat 1 , and the back side of the chassis 29 is rotatably connected to the front side of the backrest 10 at the bottom through a connecting rod 27 .

[0040] The chassis 29 is an existing structure capable of adjusting the angle of the backrest 10 .

[0041] An adjusting rod 28 is disposed on one side of the chassis 29 , and a lifting structure 26 is installed at the bottom of the chassis 29 .

[0042] The bottom of the lifting structure 26 is equipped with a chair leg. The lifting structure 26 is pneumatically lifted and the adjustment rod 28 can adjust the lifting.

[0043] The working principle of the chair adsorption type armrest structure provided by the utility model is as follows:

[0044] First, install the two fixing boxes 2 with the butt joint tubes 14 on both sides of the seat 1 through the mounting pieces 20, and install the two mounting tubes 9 on both sides of the backrest 10. Then, insert the first magnet 16 on the movable rod 3 into the butt joint tube 14, and make the groove of the first magnet 16 and the limit bar 15 docked. After the first magnet 16 is inserted into the butt joint tube 14, it will be adsorbed together with the second magnet 17, so that the movable rod 3 can be installed on the butt joint tube 14. After the movable rod 3 is installed, it only needs to remove the limit bolt 24 installed on the armrest 8 through the fixing bolt 23 from the socket. 25, so that the limit bolt 24 is stuck in the inside of the magnetic suction cup 22, and the two are adsorbed together. When the angle of the backrest 10 is adjusted, the movable disk 19 inside the fixed box 2 can drive the movable rod 3 to adjust the angle, and the magnetic suction cup 22 rotates inside the mounting tube 9, so that the armrest 8 can adjust the angle accordingly. When the armrest 8 needs to be removed, it is only necessary to pull the movable rod 3 to separate the first magnet 16 and the second magnet 17, so that the movable rod 3 and the docking tube 14 can be separated. At the same time, the limit bolt 24 is pulled out from the inside of the magnetic suction cup 22, and the armrest 8 can be completely removed.

[0045] Compared with the related art, the chair adsorption type armrest structure provided by the utility model has the following beneficial effects:

[0046] When it is necessary to install the adsorption armrest 8 on the chair, first install the two fixing boxes 2 with the docking tube 14 on both sides of the seat 1 through the mounting plate 20, and install the two mounting tubes 9 on both sides of the backrest 10, then insert the first magnet 16 on the movable rod 3 into the interior of the docking tube 14, and make the groove of the first magnet 16 and the limit strip 15 docked, after the first magnet 16 is inserted into the interior of the docking tube 14, it will be adsorbed together with the second magnet 17, so that the movable rod 3 can be installed on the docking tube 14, after the movable rod 3 is installed, it only needs to insert the limit bolt 24 installed on the armrest 8 through the fixing bolt 23 from the socket 25, and let the limit bolt 24 be stuck in the magnetic suction cup 22. When the angle of the backrest 10 is adjusted, the movable disk 19 inside the fixed box 2 can drive the movable rod 3 to adjust the angle, and the magnetic suction cup 22 rotates inside the mounting tube 9, so that the armrest 8 can adjust its angle accordingly. When the armrest 8 needs to be removed, it is only necessary to pull the movable rod 3 to separate the first magnet 16 and the second magnet 17, so that the movable rod 3 and the docking tube 14 can be separated, and the limit bolt 24 can be pulled out from the inside of the magnetic suction cup 22 at the same time, and the armrest 8 can be completely removed. Through this structure, the armrest 8 can be quickly installed when the chair needs it, and the armrest 8 does not need to be quickly removed, which is convenient for replacement when it is damaged later and increases the flexibility of using the armrest 8.

[0047] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. Chair adsorption armrest structure, characterized in that: include: Seats and backrests; Two fixing boxes, the two fixing boxes are installed at the middle positions of both sides of the seat through mounting plates, the tops of the fixing boxes are installed with sealing covers, the tops of the sealing covers are provided with movable openings, the interiors of the fixing boxes are rotatably connected with movable disks, the outer surfaces of the movable disks are fixedly connected with connecting bolts at the top positions, the tops of the connecting bolts are fixedly connected with docking tubes, the bottoms of the inner walls of the docking tubes are fixedly connected with second magnets, one side of the inner walls of the docking tubes is fixedly connected with limiting strips, the tops of the docking tubes are provided with movable rods, the bottoms of the movable rods are fixedly connected with first magnets, and the tops of the movable rods are rotatably connected with armrests; Two mounting tubes are installed on both sides of the backrest near the middle position, and the opposite ends of the two mounting tubes are provided with sockets, and the insides of the two sockets are rotatably connected with magnetic suction cups, and the insides of the two sockets are provided with limit bolts, and the opposite ends of the two limit bolts are fixedly connected with fixing bolts.

2. The chair adsorption type armrest structure according to claim 1, characterized in that: A connecting block is arranged on the top of the backrest, and a headrest is fixedly connected to the top of the connecting block.

3. The chair adsorption type armrest structure according to claim 1, characterized in that: The tops of the armrests are all provided with cushions, and the other ends of the armrests are all fixedly connected with elbows.

4. The chair adsorption type armrest structure according to claim 1, characterized in that: A seat cushion is installed on the top of the seat, and a ventilation hole is opened on the top of the seat cushion.

5. The chair adsorption type armrest structure according to claim 1, characterized in that: A chassis is installed at the bottom of the seat, and the back of the chassis is rotatably connected with the front of the backrest at the bottom through a connecting rod.

6. The chair adsorption type armrest structure according to claim 5, characterized in that: An adjusting rod is arranged on one side of the chassis, and a lifting structure is installed on the bottom of the chassis.

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