Chair frame capable of being detachably stored and office chair thereof

Abstract

The utility model provides a detachable storage chair frame and an office chair thereof, and relates to the technical field of home furnishing, the detachable storage chair frame comprises a side rod, the side rod comprises a butt joint section, the butt joint section is vertically connected with a bottom transverse section, the bottom transverse section is connected with a vertical section, and the vertical section is connected with a handrail section; the vertical section is perpendicular to the plane where the butt joint section and the bottom transverse section are located. The handrail section is perpendicular to the vertical section, and the handrail section is parallel to the bottom transverse section; the bottom ends of the two side rods are connected through a bottom connecting rod. And the middle parts of the two side rods are connected through a reinforcing cross rod. The folding chair frame has the advantages that the folding chair frame comprises the side rods, the side rods are provided with the butt joint sections and the bottom transverse sections which are perpendicular to each other, the butt joint sections and the bottom transverse sections form the bottom face of the chair frame, the folding chair frame is connected with the bottom connecting rods through the butt joint sections, and therefore the corners of the bottom of the chair frame are integrally arranged, and therefore the folding chair frame can be detachably stored and is convenient to use. The stability of the chair frame is realized, the use convenience of the chair frame is enhanced, and meanwhile, the service life of the chair frame is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of home, especially a detachable and storage chair frame and office chair thereof. BACKGROUND

[0002] Office chair frame is an important part of office chair, in order to make office chair more solid and durable, many office chair frames will be set to an integral welded frame body, but it is inconvenient for the transportation and storage of office chair, and occupies a large space in the process of office chair transportation, so that the transportation cost is high, and the large frame body is also prone to deformation in the process of transportation, thereby affecting the appearance of office chair.

[0003] The technical content disclosed by Chinese patent document (publication number: CN208080939U, patent name: a novel office chair frame) is: the novel office chair frame comprises a U-shaped support rod, a fixed support plate, a connecting rod, a positioning hole, a sleeve head, a handrail, a crossbar, a connecting corner and an anti-skid pad, the fixed support plate is fixedly inclined on the bottom of the connecting rod, and the end thereof is threadedly fastened to the U-shaped support rod, the connecting rod is threadedly connected between the left and right two U-shaped support rods, the positioning hole is formed through the outer wall of the positioning hole, the sleeve head is sleeved on the top end of the U-shaped support rod and is threadedly fastened to the U-shaped support rod through the inner hexagonal screws on the left and right sides thereof, the handrail is sleeved on the plane on the upper part of the U-shaped support rod, the crossbar is inserted and fixed in the inner part of the left and right two connecting corners, the anti-skid pad is sleeved on the bottom corner of the U-shaped support rod and is fastened to the U-shaped support rod through the screw at the bottom thereof, and the connecting corner is inserted into the ends of the left and right two connecting corners.

[0004] As can be known from the above embodiment and the corresponding drawing, the office chair frame is composed of a U-shaped support rod, a fixed support plate, a connecting rod, a positioning hole, a sleeve head, a handrail, a crossbar, a connecting corner and an anti-skid pad, which facilitates the disassembly and storage of the office chair during transportation and storage, but the U-shaped support rod and the crossbar are connected through the connecting corner, and the connecting part bears a large stress in daily use, and the connecting position arranged at the part affects the stress intensity of the chair frame, so that the chair frame is prone to loosening after long-term use. UTILITY MODEL CONTENT

[0005] The utility model overcomes the defects in the prior art and provides a detachable and storage chair frame, which realizes detachable and storage, stable chair frame, enhances the convenience of chair frame use and guarantees the service life of chair frame.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical scheme:

[0007] A detachable and storable chair frame, comprising side rods, the side rods comprising butt joint sections, the butt joint sections being connected perpendicularly to bottom horizontal sections, the bottom horizontal sections being connected to vertical sections, the vertical sections being connected to handrail sections;

[0008] The vertical sections are perpendicular to the planes in which the butt joint sections and the bottom horizontal sections lie.

[0009] The handrail sections are perpendicular to the vertical sections and are arranged in parallel with the bottom horizontal sections.

[0010] The bottom ends of the two side rods are connected by a bottom connecting rod, and the middle portions of the two side rods are connected by a reinforcing horizontal rod.

[0011] Further, the bottom connecting rod comprises a connecting middle section, and the connecting middle section is provided with plug-in sections at both ends, the outer diameters of the plug-in sections being smaller than that of the connecting middle section.

[0012] Further, the plug-in sections are plugged into the inner cavities of the butt joint sections.

[0013] Further, a first connecting round corner is arranged between the butt joint section and the bottom horizontal section, the first connecting round corner being sleeved with a protective base, one side of the protective base in contact with the bottom surface being a plane.

[0014] A second connecting round corner is arranged between the bottom horizontal section and the vertical section, the first connecting round corner being sleeved with a protective base, one side of the protective base in contact with the bottom surface being a plane.

[0015] A third connecting round corner is arranged between the vertical section and the handrail section, the third connecting round corner being sleeved with a handrail sleeve of the handrail section.

[0016] Further, the reinforcing horizontal rod is provided with end connecting plates at both ends, the end connecting plates being connected to the vertical sections through bolts.

[0017] Further, the reinforcing horizontal rod is connected to a seat cushion, one end of the seat cushion away from the reinforcing horizontal rod being connected to a backrest, the middle portion of the backrest being connected to one end of the handrail section away from the vertical section.

[0018] Further, the lower end of the backrest extends to the lower end of the seat cushion.

[0019] Further, the handrail section is plugged with a plug-in connecting component, the plug-in connecting component comprising a plug-in shaft, the plug-in shaft being provided with an edge block and a connecting lock block at both ends, respectively.

[0020] Compared with the prior art, the detachable and storable chair frame has the following beneficial effects:

[0021] The utility model discloses a side pole, side pole is provided with mutually perpendicular docking section and bottom cross section, and docking section and bottom cross section form the bottom surface of chair frame, utilize docking section to connect with bottom connecting rod, and thus the corner of chair frame bottom retains the integral setting, like this realizes detachable storage, and realizes the stability of chair frame, strengthens the convenience of chair frame use while guaranteeing the service life of chair frame. BRIEF DESCRIPTION OF DRAWINGS

[0022] The accompanying drawings are included to provide a further understanding of the utility model, serve to explain the utility model together with the embodiments of the utility model, and do not constitute a limitation on the utility model, and in the drawings:

[0023] Fig. 1 It is the overall schematic view of office chair of the utility model embodiment;

[0024] Fig. 2 It is the explosion schematic view of office chair of the utility model embodiment;

[0025] Fig. 3 It is the first explosion schematic view of chair frame of the utility model embodiment;

[0026] Fig. 4 It is the second explosion schematic view of chair frame of the utility model embodiment;

[0027] Fig. 5 It is the structure schematic view of the insertion connecting part of the utility model embodiment.

[0028] In the drawing: 1, side pole;101, docking section;102, bottom cross section;103, vertical section;104, handrail section;2, bottom connecting rod;201, connecting middle section;202, insertion section;3, reinforcing cross bar;301, end connecting plate;4, insertion connecting part;401, insertion shaft;402, side stopper;403, connecting lock block;5, cushion;6, backrest. DETAILED DESCRIPTION

[0029] The preferred embodiments of the utility model are described below in combination with the drawings, and it should be understood that the preferred embodiments described here are only used for explaining and explaining the utility model, and do not limit the utility model.

[0030] As Figs. 1 to 5As shown, a detachable storage chair frame and office chair thereof, comprising side rods 1, the side rods 1 comprise butt joint sections 101, the butt joint sections 101 are vertically connected by bottom horizontal sections 102, the bottom horizontal sections 102 are connected with vertical sections 103, the vertical sections 103 are connected with handrail sections 104; the vertical sections 103 are perpendicular to the planes where the butt joint sections 101 and the bottom horizontal sections 102 are located; the handrail sections 104 are perpendicular to the vertical sections 103, and the handrail sections 104 are arranged in parallel with the bottom horizontal sections 102; the bottom ends of the two side rods 1 are connected by a bottom connecting rod 2; the middle parts of the two side rods 1 are connected by a reinforcing cross rod 3, thus the butt joint sections 101, the bottom horizontal sections 102 and the bottom connecting rod 2 form the bottom surface of the chair frame, the butt joint sections 101 are used to connect with the bottom connecting rod 2, thus the corners of the bottom of the chair frame are integrally arranged, which realizes the detachable storage and the stability of the chair frame, and ensures the service life of the chair frame.

[0031] The bottom connecting rod 2 comprises connecting middle sections 201, the connecting middle sections 201 are provided with plug-in sections 202 at both ends, the outer diameter of the plug-in sections 202 is smaller than that of the connecting middle sections 201, and the plug-in sections 202 are plugged into the inner cavities of the butt joint sections 101, thus when the chair frame needs to be disassembled, the plug-in sections 202 are plugged into or pulled out of the butt joint sections 101 to complete the connection and disassembly.

[0032] The first connecting round corners are arranged between the butt joint sections 101 and the bottom horizontal sections 102, the first connecting round corners are sleeved with protective bases, and the surfaces of the protective bases in contact with the bottom surfaces are flat; the second connecting round corners are arranged between the bottom horizontal sections 102 and the vertical sections 103, the first connecting round corners are sleeved with protective bases, and the surfaces of the protective bases in contact with the bottom surfaces are flat; the first connecting round corners and the second connecting round corners are sleeved with the protective bases, which makes the bottom of the chair frame more stable and better in wear resistance.

[0033] The third connecting round corners are arranged between the vertical sections 103 and the handrail sections 104, the third connecting round corners are sleeved with handrail sleeves, and when a hand is placed on the handrail sections 104, the hand can be placed on the handrail sleeves, which makes the experience of the user better.

[0034] The reinforcing cross rod 3 is provided with end connecting plates 301 at both ends, the end connecting plates 301 are connected with the vertical sections 103 through bolts, and the reinforcing cross rod 3 makes the structure of the chair frame more stable. The reinforcing cross rod 3 is connected with a seat cushion 5, the end of the seat cushion 5 away from the reinforcing cross rod 3 is connected with a backrest 6, the middle part of the backrest 6 is connected with the end of the handrail section 104 away from the vertical section 103, thus the reinforcing cross rod 3 and the backrest 6 together bear the weight of the seat cushion 5 and the person sitting on the seat cushion 5, the lower end of the backrest 6 extends to the lower end of the seat cushion 5, which makes the connection area of the backrest 6 and the seat cushion 5 larger, and makes the seat cushion 5 bear more support, thus increasing the bearing capacity of the seat cushion 5.

[0035] The armrest 104 is inserted with the penetrating connecting component 4, which comprises a penetrating shaft 401, and the penetrating shaft 401 is provided with an edge block 402 and a connecting lock block 403 at both ends. The penetrating connecting component 4 penetrates the armrest 104 from the side of the armrest 104 far away from the backrest 6, and the edge block 402 limits the penetrating connecting component 4 from penetrating the armrest 104 completely, so as to position the penetrating connecting component 4 when the chair frame is installed, and the chair can be quickly disassembled. The connecting lock block 403 is connected with the backrest 6 through a bolt, so that the middle section of the backrest 6 is also well supported, and when a person leans on the backrest 6, the structure of the chair is also very stable.

[0036] Finally, it should be noted that: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model is described in detail with reference to the embodiment, for the person skilled in the art, still can modify the technical scheme recorded in each embodiment, or equivalent replacement to part of the technical features, but any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A detachable and foldable chair frame, characterized in that, Includes a side rod (1), the side rod (1) includes a connecting section (101), the connecting section (101) is vertically connected to a bottom horizontal section (102), the bottom horizontal section (102) is connected to a vertical section (103), and the vertical section (103) is connected to a handrail (104); The vertical section (103) is perpendicular to the plane containing the connecting section (101) and the bottom horizontal section (102); The handrail (104) is perpendicular to the vertical section (103), and the handrail (104) is parallel to the bottom horizontal section (102); The bottom ends of the two side rods (1) are connected by the bottom connecting rod (2); the middle parts of the two side rods (1) are connected by the reinforcing crossbar (3).

2. The detachable and foldable chair frame according to claim 1, characterized in that, The bottom connecting rod (2) includes a connecting middle section (201), and plug sections (202) are provided at both ends of the connecting middle section (201). The outer diameter of the plug section (202) is smaller than the outer diameter of the connecting middle section (201).

3. The detachable and foldable chair frame according to claim 2, characterized in that, The insertion segment (202) is inserted into the inner cavity of the docking segment (101).

4. The detachable and foldable chair frame according to claim 1, characterized in that, A first connecting rounded corner is provided between the docking section (101) and the bottom horizontal section (102), and a protective base is sleeved on the first connecting rounded corner. The side of the protective base that contacts the bottom surface is a plane. A second connecting rounded corner is provided between the bottom horizontal section (102) and the vertical section (103), and a protective base is fitted onto the first connecting rounded corner. The side of the protective base that contacts the bottom surface is a flat surface. A third connecting rounded corner is provided between the vertical section (103) and the handrail (104), and the third connecting rounded corner and the handrail (104) are fitted with a handrail sleeve.

5. The detachable and foldable chair frame according to claim 4, characterized in that, The reinforcing crossbar (3) is provided with end connecting plates (301) at both ends, and the end connecting plates (301) are connected to the vertical section (103) by bolts.

6. An office chair, comprising the detachable and foldable chair frame as described in any one of claims 1 to 5, characterized in that, The reinforcing crossbar (3) is connected to the seat cushion (5), and the end of the seat cushion (5) away from the reinforcing crossbar (3) is connected to the backrest (6). The middle part of the backrest (6) is connected to the end of the armrest (104) away from the vertical section (103).

7. The office chair according to claim 6, characterized in that, The lower end of the backrest (6) extends to the lower end of the seat cushion (5).

8. The office chair according to claim 7, characterized in that, The support means (104) is connected to a through-connecting component (4), which includes an through-shaft (401), and side stops (402) and connecting locks (403) are respectively provided at both ends of the through-shaft (401).

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