Detachable back cushion structure of leisure chair

Abstract

The utility model provides a detachable back cushion structure of a leisure chair. According to the detachable back cushion structure of the leisure chair, a backrest is installed at the position, located on the back face, of the top of a cushion, an installation opening is formed in the position, close to the bottom, of the front face of the backrest, an installation plate is fixedly connected to one side of the inner wall of the installation opening, and a threaded bolt is in threaded connection with the middle position of the back face of the installation plate; a rotating ring is rotatably connected to one end of the front face of the threaded bolt, a movable plate is fixedly connected to the front face of the rotating ring, supporting springs are fixedly connected to the positions, close to the two sides, of the back face of the movable plate, and clamping grooves are fixedly connected to the positions, close to the two sides, of the back face of the movable plate. According to the detachable back cushion structure of the leisure chair, provided by the utility model, the back cushion can be quickly disassembled and assembled through the structure, the back cushion can be conveniently replaced after being damaged in the later period, meanwhile, the supporting strength of the back cushion can be adjusted through the matching of the threaded bolt and the mounting plate, the back cushion can provide support with different strengths, and the applicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of leisure chair back pads, in particular to a detachable back pad structure of a leisure chair. Background Art

[0002] A leisure chair refers to the chair we use to enjoy our leisure time. This type of chair is not as formal as a dining chair or office chair. It has some small personality and can bring both visual and physical comfort to people.

[0003] There are many types of leisure chairs, which mainly include seats, chair legs, armrests and backrests. In order to increase the support of the backrest for the user's waist, a back cushion needs to be installed at the waist.

[0004] The back cushion of a traditional leisure chair is generally integrated with the backrest, which makes it inconvenient to adjust the support strength and difficult to replace if damaged, which reduces the applicability and increases the difficulty of disassembly.

[0005] Therefore, it is necessary to provide a detachable back cushion structure for a leisure chair to solve the above-mentioned technical problems. Utility Model Content

[0006] The utility model provides a detachable back cushion structure for a leisure chair, which solves the problems that the back cushion and the backrest of a traditional leisure chair are integrated into one body, the supporting strength is inconvenient to adjust, and the damaged one is inconvenient to replace, which reduces the applicability and increases the difficulty of disassembly.

[0007] In order to solve the above technical problems, the utility model provides a detachable back cushion structure for a leisure chair, comprising: a seat cushion;

[0008] A backrest, wherein the backrest is installed at the top of the seat cushion at the back position, a mounting opening is opened at the front of the backrest near the bottom, a mounting plate is fixedly connected to one side of the inner wall of the mounting opening, a threaded bolt is threadedly connected to the middle position of the back of the mounting plate, a rotating ring is rotatably connected to one end of the front of the threaded bolt, a movable plate is fixedly connected to the front of the rotating ring, a support spring is fixedly connected to the back of the movable plate near both sides, a clamping slot is fixedly connected to the back of the movable plate near both sides, a clamping strip is arranged inside the clamping slot, a connecting strip is fixedly connected to the front of the clamping strip, a support plate is fixedly connected to the front of the connecting strip, and a back pad and a side support pad are installed on the front of the support plate;

[0009] Two chair legs are fixedly connected to the bottom of the seat cushion near two sides, and armrests are installed at the top of the seat cushion near two sides.

[0010] The other side of the mounting plate is fixedly connected to the other side of the inner wall of the mounting opening, the other end of the support spring is fixedly connected to the front side of the mounting plate, the back pad is located in the middle of the front side of the support plate, the side support pads are located on both sides of the front side of the support plate, the back side of the armrest and the front side of the backrest are fixedly connected, and when the threaded bolt is adjusted at the front side of the mounting plate, the mounting plate can only move forward and backward through the rotating ring without rotating.

[0011] Preferably, a soft pad is fixedly connected to the top of the seat cushion, and a ventilation hole is opened on the top of the soft pad.

[0012] The inside of the cushion is also memory foam.

[0013] Preferably, a groove into which the connecting strip can be inserted is provided on the front side of the slot, and a hole into which the threaded bolt can be threadedly passed is provided in the middle of the back side of the mounting plate.

[0014] Preferably, anti-slip rings are installed at the bottom of the two chair legs, and soft material is also provided on the top of the armrest.

[0015] The soft material on the armrests is for increased comfort.

[0016] Preferably, four connecting bolts are fixedly connected to the bottom of the seat cushion, and a placement plate is fixedly connected to the bottom of the connecting bolts.

[0017] The placement board is for the convenience of placing some sundries.

[0018] Preferably, side support pads are installed on the front side of the support plate near both sides.

[0019] The side support pads are made of the same material as the back pad.

[0020] Compared with the related art, the detachable back cushion structure of the leisure chair provided by the utility model has the following beneficial effects:

[0021] The utility model provides a detachable back cushion structure for a leisure chair. In order to facilitate the disassembly of the back cushion on the backrest of the leisure chair or to adjust the supporting strength of the back cushion, a mounting opening is firstly opened on the backrest, and a mounting plate is installed inside the mounting opening, then a threaded bolt is threadedly passed through the middle position of the mounting plate, and the bolt is rotatably connected with the movable plate through a rotating ring, and in order to increase the stability of the movable plate, two supporting springs are installed between the mounting plate and the movable plate, and then the back cushion only needs to be installed on the front side of the supporting plate, and the clamping strip on the back side of the supporting plate is clamped into the inside of the clamping slot, so that the installation of the back cushion is completed. When it is necessary to disassemble, it is only necessary to pull out the clamping strip on the back side of the supporting plate from the inside of the clamping slot, and the back cushion can be easily removed from the backrest, and when it is necessary to adjust the supporting strength of the back cushion, it is only necessary to rotate the threaded bolt, and the position of the movable plate can be adjusted forward and backward by using the mounting plate as a supporting point, so as to adjust the supporting strength of the back cushion on the waist, and the structure can realize the rapid disassembly and assembly of the back cushion, which is convenient for replacement in case of later damage, and at the same time, the supporting strength of the back cushion can be adjusted by the cooperation of the threaded bolt and the mounting plate, so that the back cushion can provide supports of different strengths, thereby increasing applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A structural schematic diagram of a preferred embodiment of the detachable back cushion structure of a leisure chair provided by the utility model;

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

[0024] Figure 3 A structural schematic diagram of a support plate 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 card strip.

[0027] Numbers in the figure: 1. seat cushion, 2. backrest, 3. side support pad, 4. back cushion, 5. support plate, 6. ventilation hole, 7. armrest, 8. cushion, 9. placement plate, 10. connecting bolt, 11. chair leg, 12. anti-slip ring, 13. threaded bolt, 14. mounting plate, 15. mounting port, 16. movable plate, 17. clamping strip, 18. clamping slot, 19. rotating ring, 20. support spring, 21. connecting strip. 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 detachable back cushion structure of a leisure chair provided by the utility model; Figure 2 A structural schematic diagram of a threaded bolt is provided for the utility model; Figure 3 A structural schematic diagram of a support plate 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 card strip. The detachable back cushion structure of the leisure chair includes: a seat cushion 1;

[0030] A backrest 2, wherein the backrest 2 is installed at the top of the seat cushion 1 at the back side, a mounting opening 15 is provided at the front side of the backrest 2 near the bottom, a mounting plate 14 is fixedly connected to one side of the inner wall of the mounting opening 15, a threaded bolt 13 is threadedly connected to the middle position of the back side of the mounting plate 14, a rotating ring 19 is rotatably connected to one end of the front side of the threaded bolt 13, a movable plate 16 is fixedly connected to the front side of the rotating ring 19, a support spring 20 is fixedly connected to the back side of the movable plate 16 near both sides, a clamping groove 18 is fixedly connected to the back side of the movable plate 16 near both sides, a clamping strip 17 is provided inside the clamping groove 18, a connecting strip 21 is fixedly connected to the front side of the clamping strip 17, a support plate 5 is fixedly connected to the front side of the connecting strip 21, a back pad 4 and a side support pad 3 are installed on the front side of the support plate 5;

[0031] Two chair legs 11 are fixedly connected to the bottom of the seat cushion 1 near both sides, and armrests 7 are installed at the top of the seat cushion 1 near both sides.

[0032] The other side of the mounting plate 14 is fixedly connected to the other side of the inner wall of the mounting opening 15, the other end of the support spring 20 is fixedly connected to the front of the mounting plate 14, the back pad 4 is located in the middle of the front of the support plate 5, the side support pads 3 are located on both sides of the front of the support plate 5, the back of the armrest 7 and the front of the backrest 2 are fixedly connected, and when the threaded bolt 13 is adjusted on the front of the mounting plate 14, the mounting plate 14 can only move forward and backward through the rotating ring 19 without rotating. Memory foam is arranged inside the back pad 4, and an air vent 6 is opened on the front.

[0033] A cushion 8 is fixedly connected to the top of the seat cushion 1 , and a ventilation hole 6 is opened on the top of the cushion 8 .

[0034] The inside of the cushion 8 is also made of memory foam, and the air holes 6 are for ventilation.

[0035] The front side of the slot 18 is provided with a slot for the connecting strip 21 to be inserted into, and the middle side of the back side of the mounting plate 14 is provided with a hole for the threaded bolt 13 to pass through.

[0036] The bottoms of the two chair legs 11 are both provided with anti-slip rings 12 , and the tops of the armrests 7 are also provided with soft materials.

[0037] The soft material on the armrest 7 is to increase the comfort of use, and the anti-slip ring 12 plays an anti-slip role.

[0038] Four connecting bolts 10 are fixedly connected to the bottom of the seat cushion 1 , and a placement plate 9 is fixedly connected to the bottom of the connecting bolts 10 .

[0039] The placement board 9 is for facilitating the placement of some sundries and increasing the storage function of the leisure chair.

[0040] Side support pads 3 are installed on the front side of the support plate 5 near both sides.

[0041] The side support pads 3 and the back pads 4 are made of the same material, and the back pads 4 and the side support pads 3 can be mounted on the front side of the support plate 5 by bolts.

[0042] The working principle of the detachable back cushion structure of the leisure chair provided by the utility model is as follows:

[0043] First, a mounting opening 15 is opened on the backrest 2, and a mounting plate 14 is installed inside the mounting opening 15, then the threaded bolt 13 is threaded through the middle position of the mounting plate 14, and is rotatably connected through the rotating ring 19 and the movable plate 16. In order to increase the stability of the movable plate 16, two supporting springs 20 are installed between the mounting plate 14 and the movable plate 16. Then, it is only necessary to install the back cushion 4 on the front side of the supporting plate 5, and insert the clip 17 on the back side of the supporting plate 5 into the inside of the clip groove 18 to complete the installation of the back cushion 4. When disassembly is required, it is only necessary to pull out the clip 17 on the back side of the supporting plate 5 from the inside of the clip groove 18, and the back cushion 4 can be easily removed from the backrest 2. If the supporting strength of the back cushion 4 needs to be adjusted, it is only necessary to rotate the threaded bolt 13, and the position of the movable plate 16 can be adjusted front and back through the mounting plate 14 as a supporting point, thereby adjusting the supporting strength of the back cushion 4 for the waist.

[0044] Compared with the related art, the detachable back cushion structure of the leisure chair provided by the utility model has the following beneficial effects:

[0045] In order to facilitate the removal of the back cushion 4 on the leisure chair backrest 2 or adjust the supporting strength of the back cushion 4, first open a mounting opening 15 on the backrest 2, and install a mounting plate 14 inside the mounting opening 15, then thread the threaded bolt 13 through the middle position of the mounting plate 14, and rotate and connect it with the movable plate 16 through the rotating ring 19, and in order to increase the stability of the movable plate 16, two supporting springs 20 are installed between the mounting plate 14 and the movable plate 16, and then you only need to install the back cushion 4 on the front side of the supporting plate 5, and insert the clip 17 on the back side of the supporting plate 5 into the inside of the clip groove 18, and the installation of the back cushion 4 is completed. When disassembly is needed, you only need to pull out the card strip 17 on the back of the support plate 5 from the inside of the card slot 18, and you can easily remove the back cushion 4 from the backrest 2. If you need to adjust the supporting strength of the back cushion 4, you only need to turn the threaded bolt 13, and you can use the mounting plate 14 as a supporting point to adjust the position of the movable plate 16 front and back, so as to adjust the supporting strength of the back cushion 4 for the waist. This structure can realize quick disassembly and assembly of the back cushion 4, which is convenient for replacement in case of later damage. At the same time, the supporting strength of the back cushion 4 can be adjusted through the cooperation of the threaded bolt 13 and the mounting plate 14, so that the back cushion 4 can provide support of different strengths, thereby increasing applicability.

[0046] 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. The detachable back cushion structure of the leisure chair is characterized by: include: cushion; A backrest, wherein the backrest is installed at the top of the seat cushion at the back position, a mounting opening is opened at the front of the backrest near the bottom, a mounting plate is fixedly connected to one side of the inner wall of the mounting opening, a threaded bolt is threadedly connected to the middle position of the back of the mounting plate, a rotating ring is rotatably connected to one end of the front of the threaded bolt, a movable plate is fixedly connected to the front of the rotating ring, a support spring is fixedly connected to the back of the movable plate near both sides, a clamping slot is fixedly connected to the back of the movable plate near both sides, a clamping strip is arranged inside the clamping slot, a connecting strip is fixedly connected to the front of the clamping strip, a support plate is fixedly connected to the front of the connecting strip, and a back pad and a side support pad are installed on the front of the support plate; Two chair legs are fixedly connected to the bottom of the seat cushion near two sides, and armrests are installed at the top of the seat cushion near two sides.

2. The detachable back cushion structure of the leisure chair according to claim 1, characterized in that: A soft pad is fixedly connected to the top of the seat cushion, and a ventilation hole is opened on the top of the soft pad.

3. The detachable back pad structure of the leisure chair according to claim 1, characterized in that: The front side of the slot is provided with a slot for the connecting strip to be inserted into, and the middle position of the back side of the mounting plate is provided with a hole for the threaded bolt to pass through.

4. The detachable back pad structure of the leisure chair according to claim 1, characterized in that: The bottoms of the two chair legs are both provided with anti-slip rings, and the tops of the armrests are also provided with soft materials.

5. The detachable back pad structure of the leisure chair according to claim 1, characterized in that: Four connecting bolts are fixedly connected to the bottom of the seat cushion, and a placing plate is fixedly connected to the bottom of the connecting bolts.

6. The detachable back pad structure of the leisure chair according to claim 1, characterized in that: Side support pads are installed on the front side of the support plate near both sides.

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