Quick disassembly and assembly structure for dining chair

Abstract

The utility model discloses a dining chair quick disassembly and assembly structure which comprises a cross rod A. A clamping groove A is formed in the surface of the cross rod A. Through the arrangement of the supporting legs, the extension legs, the mounting outer columns, the pressing assemblies and the adjusting beads, during use, according to the height of a user, the adjusting columns are sequentially pressed, the reset springs are pressed downwards, the adjusting beads are retracted into the thin columns, the mounting outer columns are taken down, the height of the extension legs is adjusted, and operation is conducted in the same way after adjustment is completed; when the dining chair is used, the mounting outer columns are inserted into the adjusting holes, the adjusting columns are loosened, the reset springs rise, and the abutting columns abut the adjusting beads out of the clamping holes to fix the adjusting beads, so that the function of conveniently adjusting the height of the dining chair is achieved, and the situation that people with different heights have different requirements for the height of the dining chair in the using process of the dining chair is avoided; when the dining chair is used, the user feels uncomfortable, the enjoyment of dining time is influenced, and the applicability and comfort of the dining chair are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of dining chairs, in particular to a quick disassembly and assembly structure of a dining chair. Background Art

[0002] A dining chair is a type of dining furniture that is essential in every home and in everyday life. Traditional dining chairs are fixed with frames or screws, and some cannot even be disassembled, or parts of the chairs need to be scrapped after disassembly. Traditional chairs cannot be disassembled, so when stacked, they take up too much space, making them difficult to move.

[0003] Patent document: CN221410815U proposes a quick disassembly and assembly structure for a dining chair, comprising a dining chair body, seat legs provided below the dining chair body, and a disassembly and assembly mechanism provided on the outside of the seat legs. The disassembly and assembly mechanism comprises a fixing plate, which is sleeved on the outside of the seat legs, a fixing rod installed below the dining chair body, the fixing plate sleeved on the below of the fixing rod, a plug-in plate slidably provided on the lower surface of the fixing plate, the plug-in plate plugged into the bottom end of the fixing rod, and the plug-in plate is used to fix the position of the fixing plate. The quick disassembly and assembly structure for a dining chair, by providing a fixing plate, sleeved on the outside of the seat legs, quickly corrects the distance and position between the seat legs, and at the same time increases the stability between the seat legs with the position of the fixing plate. Finally, the fixing plate is installed at the bottom end of the fixing rod, thereby fixing the position of the fixing plate, reducing the complexity of the seat leg disassembly and assembly process, and also increasing the stability of the seat legs in use.

[0004] Although the device can quickly correct the distance and position between the chair legs and increase stability, people of different heights have different requirements for the height of the dining chair during use. If the sitting posture is uncomfortable, it will cause discomfort to the user, affecting the enjoyment of dining time and reducing the applicability and comfort of the dining chair. Utility Model Content

[0005] The main purpose of the present utility model is to provide a quick disassembly and assembly structure for a dining chair, which can effectively solve the problem in the background technology that people of different heights have different requirements for the height of the dining chair during use. If the sitting posture is uncomfortable, it will cause discomfort to the user, affecting the enjoyment of dining time and reducing the applicability and comfort of the dining chair.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A quick disassembly and assembly structure for a dining chair, comprising a crossbar A, a slot A being provided on the surface of the crossbar A, a limit assembly being fixedly connected to the inner bottom wall of the slot A, a crossbar B being fixedly connected to the top surface of the limit assembly, support legs being fixedly connected on both sides of the bottom ends of the crossbars A and B, an extension leg being slidably connected inside the support leg, an adjustment hole being provided on the edge of the surface of the support leg, a mounting outer column being plugged into the interior of the adjustment hole, a pressing assembly being fixedly connected to the inner bottom wall of the mounting outer column, a plurality of adjustment beads being provided inside the mounting outer column, two disassembly and assembly holes being provided on the surfaces of the crossbars A and B, mounting columns being plugged into the interior of the disassembly and assembly holes, and stabilizing components being rotatably connected on both sides of the bottom surfaces of the mounting columns;

[0008] Preferably, the top surfaces of the mounting posts are fixedly connected to the seat plate, and the edges of the seat plate surfaces are fixedly connected to the chair back;

[0009] Preferably, a slot B is provided in the middle of the bottom surface of the crossbar B, and the slot B is adapted to the slot A;

[0010] Preferably, the limiting assembly includes a magnetic positive electrode piece fixedly connected to the inner bottom wall of the slot A, and a magnetic negative electrode piece is magnetically connected to the surface of the magnetic positive electrode piece;

[0011] Preferably, a plurality of adjustment holes are provided on the surface of the extension leg, and the adjustment holes are adapted to the mounting outer column and the adjustment hole;

[0012] Preferably, the pressing assembly includes a return spring fixedly connected to the inner bottom wall of the mounting outer column, one end of the return spring is fixedly connected to a pressure column, one end of the pressure column is fixedly connected to a thin column, and one end of the thin column is fixedly connected to an adjustment column;

[0013] Preferably, the edge of the surface of the mounting outer column is provided with a plurality of clamping holes, and the clamping holes are adapted to the adjusting beads;

[0014] Preferably, the stabilizing assembly includes rotating columns rotatably connected to both sides of the bottom surface of the mounting column, and the bottom ends of the rotating columns are fixedly connected to stabilizing blocks.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The utility model is provided with a support leg, an extension leg, an installation outer column, a pressing assembly and an adjustment bead. When in use, according to the height of the user, the adjustment column is first pressed in sequence, the reset spring is pressed down, the adjustment bead is retracted into the thin column, the installation outer column is removed, and the height of the extension leg is adjusted. After adjustment, the same operation is performed again, the installation outer column is inserted into the adjustment hole and the adjustment hole, the adjustment column is released, the reset spring rises, and the pressing column pushes the adjustment bead out of the card hole and fixes it, thereby achieving the effect of conveniently adjusting the height of the dining chair, avoiding the situation in which people of different heights have different requirements for the height of the dining chair during use. If the sitting posture is uncomfortable, it will cause discomfort to the user, affecting the enjoyment of dining time, thereby improving the applicability and comfort of the dining chair.

[0017] 2. The utility model is provided with the card slot A, the limit assembly, the card slot B, the mounting column, the disassembly hole and the stabilizing assembly. When assembly is required, the card slot B of the cross bar B is clamped inside the card slot A of the cross bar A, and the magnetic positive electrode piece and the magnetic negative electrode piece are magnetically connected to increase the connection stability. Then, the mounting column under the seat plate is inserted into the disassembly hole, and the stabilizing block is rotated to fix it. When disassembly is required, the stabilizing block is returned to its position, the mounting column is pulled out, and the cross bar A and the cross bar B are separated, thereby achieving the effect of quick assembly and disassembly of the dining chair, avoiding the situation where the dining chair cannot be disassembled or is difficult to disassemble, affecting the occupied space, and improving the speed of disassembly and assembly of the dining chair. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the limit assembly of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the stabilizing component of the present utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the pressing component of the present utility model.

[0022] In the figure: 1. Crossbar A; 2. Slot A; 3. Limiting assembly; 301. Magnetic positive electrode; 302. Magnetic negative electrode; 4. Crossbar B; 5. Support leg; 6. Extension leg; 7. Mounting outer column; 8. Pressing assembly; 801. Return spring; 802. Pressure column; 803. Thin column; 804. Adjusting column; 9. Adjusting bead; 10. Disassembly and assembly hole; 11. Mounting column; 12. Stabilizing assembly; 1201. Rotating column; 1202. Stabilizing block; 13. Seat plate; 14. Chair back; 15. Slot B. DETAILED DESCRIPTION

[0023] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figures 1-4 The utility model provides a technical solution: a quick disassembly and assembly structure of a dining chair, comprising a cross bar A1, a card slot A2 is provided on the surface of the cross bar A1, the inner bottom wall of the card slot A2 is fixedly connected to a limiting component 3, the top surface of the limiting component 3 is fixedly connected to a cross bar B4, both sides of the bottom ends of the cross bar A1 and the cross bar B4 are fixedly connected to support legs 5, the inner part of the support leg 5 is slidably connected to an extension leg 6, an adjustment hole is provided on the edge of the surface of the support leg 5, an outer column 7 is inserted into the inner part of the adjustment hole, a pressing component 8 is fixedly connected to the inner bottom wall of the outer column 7, and a plurality of adjusting beads 9 are provided inside the outer column 7. Through the arrangement of the supporting leg 5, the extension leg 6, the outer column 7, the pressing component 8 and the adjusting beads 9, the height of the dining chair can be conveniently adjusted, which avoids the problem of the dining chair being in use. In the present invention, people of different heights have different requirements for the height of the dining chair. If the sitting posture is uncomfortable, it will cause discomfort to the user, affecting the enjoyment of the dining time, thereby improving the applicability and comfort of the dining chair; the surfaces of the cross bar A1 and the cross bar B4 are provided with two disassembly holes 10, and the interior of the disassembly hole 10 is plugged with a mounting post 11, and both sides of the bottom surface of the mounting post 11 are rotatably connected to the stabilizing component 12. Through the arrangement of the card slot A2, the limit component 3, the card slot B15, the mounting post 11, the disassembly hole 10 and the stabilizing component 12, the effect of quick assembly and disassembly of the dining chair is achieved, avoiding the dining chair from being unable to be disassembled or difficult to disassemble, affecting the occupied space, and improving the speed of disassembly and assembly of the dining chair; the top surface of the mounting post 11 is fixedly connected to the seat plate 13, and the edge of the surface of the seat plate 13 is fixedly connected to the chair back 14.

[0025] See also Figure 2 、 Figure 3 A slot B15 is provided in the middle of the bottom surface of the crossbar B4, and the slot B15 is adapted to the slot A2; the limiting assembly 3 includes a magnetic positive electrode piece 301 fixedly connected to the inner bottom wall of the slot A2, and a magnetic negative electrode piece 302 is magnetically connected to the surface of the magnetic positive electrode piece 301; the stabilizing assembly 12 includes a rotating column 1201 rotatably connected to both sides of the bottom surface of the mounting column 11, and a stabilizing block 1202 is fixedly connected to the bottom end of the rotating column 1201;

[0026] When assembly is required, the slot B15 of the cross bar B4 is clamped inside the slot A2 of the cross bar A1, and the magnetic positive electrode piece 301 and the magnetic negative electrode piece 302 are magnetically connected to increase the connection stability. Then, the mounting column 11 under the seat plate 13 is inserted into the disassembly hole 10, and the stabilizing block 1202 is rotated to fix it. When disassembly is required, the stabilizing block 1202 is returned to its position, the mounting column 11 is pulled out, and the cross bar A1 and the cross bar B4 are separated.

[0027] See also Figure 2 、 Figure 4 A plurality of adjustment holes are provided on the surface of the extended leg 6, and the adjustment holes are adapted to the mounting outer column 7 and the adjustment holes. The pressing assembly 8 includes a return spring 801 fixedly connected to the inner bottom wall of the mounting outer column 7, and one end of the return spring 801 is fixedly connected to a pressure column 802, and one end of the pressure column 802 is fixedly connected to a thin column 803, and one end of the thin column 803 is fixedly connected to an adjustment column 804.

[0028] When in use, according to the user's height, first press the adjustment column 804 in sequence, press the reset spring 801 downward, retract the adjustment bead 9 into the thin column 803, remove the installation outer column 7, adjust the height of the extension leg 6, and after the adjustment is completed, operate in the same way, insert the installation outer column 7 into the adjustment hole and the adjustment hole, loosen the adjustment column 804, the reset spring 801 rises, and the pressure column 802 pushes the adjustment bead 9 out of the card hole to fix it.

[0029] Working principle: When in use, according to the user's height, first press the adjustment column 804 in sequence, press the return spring 801 downward, retract the adjustment bead 9 into the thin column 803, remove the installation outer column 7, adjust the height of the extension leg 6, and after the adjustment is completed, operate in the same way, insert the installation outer column 7 into the adjustment hole and the adjustment hole, loosen the adjustment column 804, the return spring 801 rises, and the pressure column 802 pushes the adjustment bead 9 out of the card hole to fix it. The above is the working process of the entire device, and the contents not described in detail in this manual belong to the existing technology known to professional and technical personnel in this field.

[0030] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dining chair quick disassembly and assembly structure, comprising a crossbar A (1), characterized in that: The surface of the crossbar A (1) is provided with a slot A (2), the inner bottom wall of the slot A (2) is fixedly connected to a limit assembly (3), the top surface of the limit assembly (3) is fixedly connected to a crossbar B (4), both sides of the bottom ends of the crossbar A (1) and the crossbar B (4) are fixedly connected to support legs (5), the interior of the support legs (5) is slidably connected to an extension leg (6), an adjustment hole is provided on the edge of the surface of the support leg (5), the interior of the adjustment hole is plugged with an installation outer column (7), the inner bottom wall of the installation outer column (7) is fixedly connected with a pressing assembly (8), the interior of the installation outer column (7) is provided with a plurality of adjustment beads (9), the surface of the crossbar A (1) and the crossbar B (4) are provided with two disassembly holes (10), the interior of the disassembly hole (10) is plugged with a mounting column (11), and both sides of the bottom surface of the mounting column (11) are rotatably connected with a stabilizing assembly (12).

2. The quick disassembly and assembly structure of a dining chair according to claim 1, characterized in that: The top surfaces of the mounting columns (11) are fixedly connected to the seat panels (13), and the edges of the surfaces of the seat panels (13) are fixedly connected to the chair backs (14).

3. The quick disassembly and assembly structure of a dining chair according to claim 1, characterized in that: A clamping slot B (15) is provided in the middle of the bottom surface of the crossbar B (4), and the clamping slot B (15) is adapted to the clamping slot A (2).

4. The quick disassembly and assembly structure of a dining chair according to claim 1, characterized in that: The limiting assembly (3) comprises a magnetic positive electrode piece (301) fixedly connected to the inner bottom wall of the slot A (2), and a magnetic negative electrode piece (302) is magnetically connected to the surface of the magnetic positive electrode piece (301).

5. The dining chair quick disassembly and assembly structure according to claim 1, characterized in that: The surface of the extension leg (6) is provided with a plurality of adjustment holes, and the adjustment holes are adapted to the mounting outer column (7) and the adjustment hole.

6. The dining chair quick disassembly and assembly structure according to claim 1, characterized in that: The pressing assembly (8) includes a return spring (801) fixedly connected to the inner bottom wall of the mounting outer column (7), one end of the return spring (801) is fixedly connected to a pressure column (802), one end of the pressure column (802) is fixedly connected to a thin column (803), and one end of the thin column (803) is fixedly connected to an adjustment column (804).

7. The quick disassembly and assembly structure of a dining chair according to claim 1, characterized in that: The edge of the surface of the mounting outer column (7) is provided with a plurality of clamping holes, and the clamping holes are adapted to the adjusting beads (9).

8. The dining chair quick disassembly and assembly structure according to claim 1, characterized in that: The stabilizing assembly (12) comprises rotating columns (1201) both of which are rotatably connected to the bottom surface of the mounting column (11), and the bottom ends of the rotating columns (1201) are fixedly connected to stabilizing blocks (1202).

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