CN210383307U - Assembled office chair structure with height-adjustable backrest - Google Patents
Assembled office chair structure with height-adjustable backrest Download PDFInfo
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- CN210383307U CN210383307U CN201921129572.4U CN201921129572U CN210383307U CN 210383307 U CN210383307 U CN 210383307U CN 201921129572 U CN201921129572 U CN 201921129572U CN 210383307 U CN210383307 U CN 210383307U
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- seat
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Abstract
The utility model relates to the technical field of chairs, in particular to an assembled office chair structure with an adjustable backrest height, which comprises a backrest component, a seat component and a handrail component; the backrest assembly comprises a concave frame, a backrest frame and a backrest frame, wherein the concave frame comprises a transverse plate and two vertical plates, the vertical plates are symmetrically arranged at the top of the transverse plate, and three limiting guide blocks are arranged on the back surface of the transverse plate and the back surfaces of the vertical plates at intervals in the vertical direction; an installation groove is formed between every two adjacent limiting guide blocks; the adjustable backrest main board comprises a positive concave back convex part, and two notches allowing the vertical plates to be vertically inserted are formed in the top end of the positive concave back convex part. The office chair structure is simple and convenient to disassemble and assemble, convenient to transport and capable of reducing the transport cost; the height of the chair backrest can be adjusted by the concave frame, the adjustable backrest main board, the mounting plate, the limiting clamping piece, the backrest connecting frame and other components, so that the backrest height requirements of different users can be met, and the comfort level is high.
Description
Technical Field
The utility model relates to a chair technical field specifically is an assembled office chair structure of back height-adjustable.
Background
The office chair is an indispensable office supply in the office process of people. The existing office chair has the following defects: 1. the chair is not detachable, the transportation is difficult, the transportation cost is high, and the network selling is not facilitated; 2. the height of the chair backrest can not be adjusted according to the height and the use habit of a user, and the comfort level is low. The patent with application number CN201820394413.6 discloses an office chair with adjustable backrest, including bedplate, back and two bilateral symmetry's support frame, its bedplate, back and support frame demountable assembly, the transportation of being convenient for, but the whole chair structure after the equipment, use comfort is lower (if the chair can not remove, the handrail can not rotate, back area is little etc.), and its back can only carry out the angle rotation and adjust, can not carry out altitude mixture control, still has the defect of hommization.
SUMMERY OF THE UTILITY MODEL
The utility model provides an assembled office chair structure of back height-adjustable to the problem that prior art exists.
The utility model provides a technical scheme that its technical problem adopted is: an assembled office chair structure with adjustable backrest height comprises a backrest component, a seat component and an armrest component; the backrest assembly comprises
The concave frame comprises a transverse plate and two vertical plates, the vertical plates are symmetrically arranged at the top of the transverse plate, and three limiting guide blocks are arranged on the back surface of the transverse plate and the back surface of the vertical plate at intervals in the vertical direction; an installation groove is formed between every two adjacent limiting guide blocks;
the adjustable backrest main board comprises a front concave back convex part, the top end of the front concave back convex part is provided with two notches allowing the vertical plates to be vertically inserted, and the front concave back convex part is also provided with a limiting guide groove which is communicated with the notches and is matched with the limiting guide block for use and a limiting clamping groove which is positioned between the two limiting guide grooves in the vertical direction;
the mounting plate is provided with a mounting bulge matched with the mounting groove for use and a limiting opening matched with the limiting clamping groove for use; the back surface of the mounting plate is provided with a mounting opening at the mounting bulge;
the limiting clamping piece comprises a limiting main body and a clamping bulge which penetrates through the limiting opening and is matched with the limiting clamping groove for use;
the backrest connecting frame comprises a backrest connecting part and a seat connecting part; the backrest connecting part is provided with a limiting cavity for accommodating the limiting main body and a connecting bulge matched with the mounting hole for use.
Preferably, the backrest assembly further comprises a sealing plate connected with the front surface of the main plate of the adjustable backrest, and a backrest panel connected with the front surface of the sealing plate.
Preferably, the adjustable backrest main plate is in threaded connection with the sealing plate.
Preferably, the closing plate is clamped with the chair back panel.
Preferably, the transverse plate is provided with a threaded connecting hole, and the backrest connecting frame and the mounting plate are provided with threaded butt-joint holes matched with the threaded connecting hole for use.
Preferably, the front surface of the main plate of the adjustable backrest is provided with a reinforcing rib.
Preferably, the back surface of the transverse plate and the back surface of the vertical plate are located on the same plane, and the front surface of the transverse plate protrudes out of the front surface of the vertical plate.
Preferably, the seat assembly comprises
The bottom of the chair seat main body is connected with the movable support frame;
the seat support connecting plate is connected with the bottom of the seat support main body, a through hole allowing the movable supporting frame to penetrate through is formed in the middle of the seat support connecting plate, and a gap for accommodating the seat support connecting part is formed in the joint of the rear edge and the side edge.
Preferably, the armrest assembly comprises an armrest body;
and the armrest connecting plate is bent, one end of the armrest connecting plate is rotatably connected with the armrest main body, and the other end of the armrest connecting plate is connected with the chair seat connecting part and the chair seat connecting part.
Preferably, the seat connecting plate and the seat connecting part are provided with a containing groove for containing the handrail connecting plate.
The utility model has the advantages that the office chair structure is simple and convenient to disassemble and assemble, convenient to transport and reduces the transport cost; the height of the chair backrest can be adjusted by the concave frame, the adjustable backrest main board, the mounting plate, the limiting clamping piece, the backrest connecting frame and other components, so that the backrest height requirements of different users can be met, and the comfort level is high.
Drawings
Fig. 1 is a schematic view of the overall structure of the backrest assembly, the seat assembly and the armrest assembly of the present invention;
FIG. 2 is a schematic view of the overall structure of the backrest module;
FIG. 3 is a schematic view of the backrest connection frame;
FIG. 4 is a schematic view of an assembly structure of a limiting clamping piece and a limiting cavity;
FIG. 5 is a schematic view of the assembly structure of the backrest connecting frame and the mounting plate;
FIG. 6 is a schematic view of an assembly structure of the concave frame, the adjustable backrest main board, the mounting plate and the limiting clamp;
FIG. 7 is a schematic view of an assembly structure of the concave frame and the adjustable backrest main board;
FIG. 8 is a schematic view of an alternative angle of assembly of the concave frame and the adjustable backrest main plate;
fig. 9 is a schematic structural view of an adjustable backrest main plate;
FIG. 10 is a schematic view of another angle of view of the adjustable backrest main plate;
FIG. 11 is a schematic view of the assembly of the cover plate and the seat back panel;
FIG. 12 is a schematic view of a seatback panel;
FIG. 13 is a schematic structural view of a concave shelf;
FIG. 14 is a schematic structural view of another view of the concave shelf;
FIG. 15 is a schematic view of the seat assembly;
fig. 16 is a schematic structural view of the armrest assembly.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1 to 14, an assembly type office chair structure with adjustable backrest height comprises a backrest assembly, a seat assembly and an armrest assembly. The backrest component comprises a concave frame, an adjustable backrest main board, a mounting plate 3, a limiting clamping piece 4 and a backrest connecting frame
The concave frame includes a diaphragm 11 and two risers 12, riser 12 symmetry sets up diaphragm 11 top, the back of diaphragm 11 with the back of riser 12 is equipped with three spacing guide block 13, adjacent two at the interval in vertical direction form the mounting groove between the spacing guide block 13. The front side in this application refers to the side of the backrest facing the user, and the back side refers to the side of the backrest facing the user.
The regulation formula back mainboard includes positive concave back convex part, it has the permission to open positive concave back convex part top two vertical male notches 21 of riser 12, the vertical direction of positive concave back convex part still be equipped with notch 21 intercommunication and with spacing guide way 22 that spacing guide block 13 cooperation was used and be located two spacing draw-in groove 23 between the spacing guide way 22.
The mounting panel 3 be equipped with the mounting groove cooperation use protruding 31 and with spacing mouth 32 that the cooperation of spacing draw-in groove 23 was used, the mounting panel 3 back is in mounting opening 33 has been seted up to the protruding 31 department of mounting. The limiting clamping groove 23 is provided with a plurality of gears of clamping teeth in the vertical direction, and each clamping tooth corresponds to one height.
The limiting clamping piece 4 comprises a limiting main body 41 and a clamping protrusion 42 which penetrates through the limiting opening 32 and is matched with the limiting clamping groove 23 for use.
The backrest connecting frame comprises a backrest connecting part and a seat connecting part, wherein the backrest connecting part is provided with a limiting cavity 51 for accommodating the limiting main body 41, and a connecting bulge 52 matched with the mounting hole 33 for use.
The specific installation and adjustment process of the backrest comprises the steps of firstly inserting the two vertical plates 12 of the concave frame into the notch 21 from the front surface of the adjustable backrest main board, enabling the limiting guide block 13 of the concave frame to be located in the limiting guide groove 22 of the adjustable backrest main board, and then adjusting the relative positions of the concave frame and the adjustable backrest main board in the vertical direction to obtain the required backrest height. Then, the mounting protrusion 31 of the mounting plate 3 is clamped into the mounting groove of the concave frame, and then the clamping protrusion 42 of the limiting clamping piece 4 passes through the limiting opening 32 to be clamped with the corresponding clamping tooth of the limiting clamping groove 23. Finally, the mounting opening 33 of the mounting plate 3 is clamped with the connecting protrusion 52 of the backrest connecting frame, the limiting main body 41 of the limiting clamping piece 4 is positioned in the limiting cavity 51 of the backrest connecting frame, and the limiting main body 41 is fixed in the limiting cavity 51, so that the backrest assembly is very stable after height adjustment. This application has realized the altitude mixture control of chair back through parts such as concave frame, regulation formula back mainboard, mounting panel, spacing fastener, back link to adapt to different users' back high demand, the comfort level is high.
The backrest assembly further comprises a cover plate 61 connected to the front of the main plate of the adjustable backrest, and a backrest panel 62 connected to the front of the cover plate 61. The adjustable backrest main plate is in threaded connection with the closing plate 61. The closing plate 61 is clamped with the chair back panel 62. Diaphragm 11 is equipped with the threaded connection hole, the back link reaches mounting panel 3 all be equipped with the screw thread butt joint hole that the threaded connection hole cooperation was used.
After the backrest height adjustment is fixed, the concave frame, the mounting plate 3 and the backrest connecting frame are fixedly connected by screws, then the sealing plate 61 and the adjustable backrest main board are fixedly connected by screws, and finally the backrest panel 62 is clamped with the sealing plate 61. The chair back with the structure is very simple and convenient to mount and dismount, and is stable and firm in structure after being assembled.
The front of the adjustable backrest main board is provided with a reinforcing rib 14, so that the support strength of the chair back is improved.
The back surface of the transverse plate 11 and the back surface of the vertical plate 12 are located on the same plane, the front surface of the transverse plate 11 protrudes out of the front surface of the vertical plate 12, and the concave frame of the structure has the best use effect.
As shown in fig. 15-16, the seat assembly includes a seat body 71 and a seat attachment plate 72. The bottom of the seat main body 71 is connected with a movable support frame. The seat connecting plate 72 is connected with the bottom of the seat main body 71, a through hole allowing the movable supporting frame to pass through is arranged in the middle of the seat connecting plate, and a gap for accommodating the seat connecting part is arranged at the joint of the rear edge and the side edge.
The armrest assembly includes an armrest body 81 and an armrest connecting plate 82. The armrest connecting plate 82 is bent, and has one end rotatably connected to the armrest body 81 and the other end connected to the seat connecting plate 72 and the seat connecting portion. The seat connecting plate 72 and the seat connecting portion have a receiving groove for receiving the armrest connecting plate 82.
During specific installation, the seat connecting plate 72 is connected with the seat main body 71, then the seat connecting part is connected with the seat main body 71 at the position of the notch, and finally the handrail connecting plate 82 is placed into the accommodating groove to be fixed. The rotary connection structure of the armrest main body 81 and the armrest connecting plate 82 adopts the prior art. The chair seat assembly and the handrail assembly are simple, convenient and fast to mount and dismount, and are stable and firm in structure after being mounted.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (10)
1. The utility model provides an assembled office chair structure of back height-adjustable which characterized in that: comprises a backrest component, a seat component and an armrest component; the backrest assembly comprises
The concave frame comprises a transverse plate (11) and two vertical plates (12), the vertical plates (12) are symmetrically arranged at the top of the transverse plate (11), and three limiting guide blocks (13) are arranged on the back surface of the transverse plate (11) and the back surface of the vertical plates (12) at intervals in the vertical direction; an installation groove is formed between every two adjacent limiting guide blocks (13);
the adjustable backrest main board comprises a front concave back convex part, two notches (21) allowing the vertical plate (12) to be vertically inserted are formed in the top end of the front concave back convex part, and a limiting guide groove (22) which is communicated with the notches (21) and is matched with the limiting guide block (13) for use and a limiting clamping groove (23) located between the two limiting guide grooves (22) are further formed in the vertical direction of the front concave back convex part;
the mounting plate (3) is provided with a mounting bulge (31) matched with the mounting groove for use and a limiting opening (32) matched with the limiting clamping groove (23) for use; the back surface of the mounting plate (3) is provided with a mounting opening (33) at the mounting boss (31);
the limiting clamping piece (4) comprises a limiting main body (41) and a clamping protrusion (42) which penetrates through the limiting opening (32) and is matched with the limiting clamping groove (23) for use;
the backrest connecting frame comprises a backrest connecting part and a seat connecting part; the backrest connecting part is provided with a limiting cavity (51) for accommodating the limiting main body (41) and a connecting bulge (52) matched with the mounting opening (33).
2. A modular office chair structure with adjustable back height according to claim 1, wherein: the backrest assembly further comprises a sealing plate (61) connected with the front side of the main plate of the adjustable backrest, and a backrest panel (62) connected with the front side of the sealing plate (61).
3. A modular office chair structure with adjustable back height according to claim 2, wherein: the main plate of the adjustable backrest is in threaded connection with the closing plate (61).
4. A modular office chair structure with adjustable back height according to claim 2, wherein: the closing plate (61) is clamped with the chair back panel (62).
5. A modular office chair structure with adjustable back height according to claim 1, wherein: diaphragm (11) are equipped with the threaded connection hole, the back link reaches mounting panel (3) all be equipped with the screw thread butt joint hole that the threaded connection hole cooperation was used.
6. A modular office chair structure with adjustable back height according to claim 1, wherein: the front surface of the main board of the adjustable backrest is provided with a reinforcing rib (14).
7. A modular office chair structure with adjustable back height according to claim 1, wherein: the back of diaphragm (11) and the back of riser (12) are located the coplanar, the front protrusion of diaphragm (11) in riser (12) are positive.
8. A modular office chair structure with adjustable back height according to claim 1, wherein: the seat assembly comprises
A seat main body (71), the bottom of which is connected with the movable support frame;
the seat connecting plate (72) is connected with the bottom of the seat main body (71), a through hole allowing the movable supporting frame to pass through is formed in the middle of the seat connecting plate, and a gap for accommodating the seat connecting part is formed in the joint of the rear edge and the side edge.
9. A modular office chair structure with adjustable back height according to claim 8, wherein: the armrest assembly includes an armrest body (81);
and the armrest connecting plate (82) is bent, one end of the armrest connecting plate is rotatably connected with the armrest main body (81), and the other end of the armrest connecting plate is connected with the seat connecting plate (72) and the seat connecting part.
10. A modular office chair structure with adjustable back height according to claim 9, wherein: the seat connecting plate (72) and the seat connecting part are provided with accommodating grooves for accommodating the handrail connecting plate (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921129572.4U CN210383307U (en) | 2019-07-18 | 2019-07-18 | Assembled office chair structure with height-adjustable backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921129572.4U CN210383307U (en) | 2019-07-18 | 2019-07-18 | Assembled office chair structure with height-adjustable backrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210383307U true CN210383307U (en) | 2020-04-24 |
Family
ID=70355050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921129572.4U Active CN210383307U (en) | 2019-07-18 | 2019-07-18 | Assembled office chair structure with height-adjustable backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210383307U (en) |
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2019
- 2019-07-18 CN CN201921129572.4U patent/CN210383307U/en active Active
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