CN220384686U - Fixing structure of office chair back - Google Patents
Fixing structure of office chair back Download PDFInfo
- Publication number
- CN220384686U CN220384686U CN202322008067.7U CN202322008067U CN220384686U CN 220384686 U CN220384686 U CN 220384686U CN 202322008067 U CN202322008067 U CN 202322008067U CN 220384686 U CN220384686 U CN 220384686U
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- chair
- chair back
- connecting plate
- office chair
- seat
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- 230000001681 protective effect Effects 0.000 claims abstract description 20
- 238000005452 bending Methods 0.000 claims description 34
- 230000007423 decrease Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract 1
- 230000007704 transition Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The application discloses fixed knot of office chair back constructs relates to the office chair field. The utility model provides a fixed knot of office chair back constructs, includes the link, one side of link is connected in back of the chair and seat support, the back of the chair with the cavity has all been seted up to the seat support, the link inlay locate the cavity, the link is kept away from the back of the chair with one side of seat support is connected with the protective housing. The office chair back support has the effect of improving stability and supporting strength of the office chair back.
Description
Technical Field
The application relates to the field of office chairs, in particular to a fixing structure of an office chair back.
Background
Office chairs refer to a variety of chairs prepared for convenience of work, the most common of which are back chairs, including a base, a seat, and a back. The chair back is convenient for the user to rely on, thereby making the sitting posture of the working more comfortable.
In practical application, the chair back and the chair seat are generally arranged in a split mode, and the chair back and the chair seat are connected through the connecting plates, so that the connection strength of the chair back and the chair seat is low, the supporting capacity of the chair back is poor, and normal use is affected.
Disclosure of Invention
In order to improve the stability of office chair back, this application provides a fixed knot of office chair back constructs.
The application provides a fixed knot of office chair back constructs adopts following technical scheme:
the utility model provides a fixed knot of office chair constructs, includes the link, one side of link is connected in back of the chair and seat support, the back of the chair with the cavity has all been seted up to the seat support, the link inlay locate the cavity, the link is kept away from the back of the chair with one side of seat support is connected with the protective housing.
Through adopting above-mentioned technical scheme, the angle between the fixed back of the chair of link and the seat support through the radian fixed back of the chair of link, the position of further fixed back of the chair for the stability and the bearing capacity reinforcing of back of the chair. The protective housing is connected in the outside of link for the back of the chair outside is smooth, and is more pleasing to the eye.
Preferably, the connecting frame comprises a vertical connecting plate and a bending plate which are connected with each other, the vertical connecting plate is embedded in the cavity of the chair back, and the bending plate is connected with the chair seat frame of the chair seat.
Through adopting above-mentioned technical scheme, erect the connecting plate and be used for connecting the back of the chair, the bending plate is adapted to the transition part of back of the chair and seat support to make the back of the chair laminate human body more through the shape of bending plate, the comfort level is stronger, and bending plate and seat frame's the position of convenient fixed bending plate of being connected.
Preferably, the seat frame is provided with a containing cavity, one end of the bending plate, which is close to the seat frame, is inserted into the containing cavity, and the seat frame is connected with a fixing assembly for fixing the position of the bending plate.
By adopting the technical scheme, the accommodating cavity is convenient for accommodating the bending plate, and the length of the bending plate inserted into the accommodating cavity can be changed, so that the length of the exposed bending plate is changed, and the chair is suitable for chairs with different lengths.
Preferably, the vertical connecting plate is provided with a threaded hole, and the vertical connecting plate is connected with the chair back through the threaded hole.
Through adopting above-mentioned technical scheme, the setting of screw hole is convenient to erect the connection of connecting plate and back of the chair for the installation of erecting the connecting plate is firm, and conveniently dismantle erecting the connecting plate.
Preferably, a bump is arranged on one side of the vertical connecting plate, which is close to the protective shell, a sleeve is arranged on one side of the protective shell, which is close to the vertical connecting plate, and the bump is connected with the sleeve.
Through adopting above-mentioned technical scheme, connect in the sleeve through the lug and make perpendicular connecting plate and protective housing realize dismantling and be connected.
Preferably, the cross section of the lug is isosceles trapezoid, and the width of the lug gradually decreases from being close to the vertical connecting plate to being close to the sleeve.
By adopting the technical scheme, the isosceles trapezoid cross section is arranged to enable the convex blocks to be embedded into the sleeve more stably.
Preferably, the fixing assembly comprises a fixing hole formed in the bending plate, a sliding groove is formed in the top end of the seat frame, a locking bolt is connected to the sliding groove in a sliding mode, and the locking bolt is connected to the fixing hole through threads penetrating through the sliding groove.
Through adopting above-mentioned technical scheme, locking bolt and fixed orifices threaded connection to inject the length that the bending plate inserted the chamber of holding, make the position of bending plate fixed, the spout provides the space for locking bolt's removal.
Preferably, a plurality of connecting holes are formed in two ends of the seat frame, the connecting holes are used for connecting handrails, and the bottom ends of the handrails penetrate through the connecting holes and are in threaded connection with nuts.
Through adopting above-mentioned technical scheme, the setting of handrail limits the seat support both ends for office chair is safer.
In summary, the present application has at least one beneficial effect:
1. the connecting frame is connected with the chair back and the chair seat, the angle between the chair back and the chair seat is fixed through the radian of the connecting frame, and the position of the chair back is further fixed, so that the stability and the supporting capacity of the chair back are enhanced. The protective housing is connected in the outside of link for the back of the chair outside is smooth, and is more pleasing to the eye.
2. The vertical connecting plate is used for connecting the chair back, and the bending plate is suitable for the transition part of the chair back and the chair seat, so that the chair back is more fit with a human body through the shape of the bending plate, the comfort level is stronger, and the bending plate and the seat frame are connected to conveniently fix the position of the bending plate.
Drawings
FIG. 1 is a schematic view of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic structural view of a connecting frame according to an embodiment of the present disclosure;
FIG. 3 is a schematic view of another angle of the connecting frame according to the embodiment of the present application;
fig. 4 is a schematic structural diagram of a protective case according to an embodiment of the present application.
Reference numerals illustrate: 1. a seat; 11. a chair back; 12. an armrest; 2. a connecting frame; 21. a vertical connecting plate; 22. a bending plate; 3. a threaded hole; 31. a bump; 4. a protective shell; 41. a sleeve; 5. a seat frame; 51. a receiving chamber; 52. a chute; 53. a connection hole; 6. and locking the bolt.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-4.
The embodiment of the application discloses a fixing mechanism of office chair back. Referring to fig. 1, an office chair includes a back 11, a seat 1, and a base, the back 11 is connected to the seat 1, the seat 1 is provided with a seat frame 5, and the base is connected to the seat frame 5. The utility model provides a fixed knot of office chair back constructs including connecting in the link 2 of seat support 1 and back of the chair 11, and link 2 sets up to the arc shape, and the cavity has all been seted up to seat support 1 and back of the chair 11, and link 2 inlays and locates in the cavity, and link 2 is kept away from the outside of back of the chair 11 and seat support 1 and is connected with protective housing 4. The chair back 11 is further fixed through the connecting frame 2 and the protective shell 4, so that the stability and the supporting strength of the chair back 11 are improved.
Referring to fig. 1 and 2, the office chair is further provided with armrests 12, the armrests 12 being located at both sides of the seat 1 and fixedly connected to the seat 1, the armrests 12 comprising an armrests 12 support and an armrests 12 plate, the armrests 12 plate being connected to the top ends of the armrests 12 support. The arrangement of the armrests 12 defines the seat 1, making the office chair safer to use. The connecting holes 53 are formed in the two sides of the seat frame 5, the connecting holes 53 are used for connecting the armrest 12 support, and the bottom end of the armrest 12 support is penetrated with the connecting holes 53 and is in threaded connection with nuts, so that the armrest 12 is convenient to install.
The connecting frame 2 comprises a vertical connecting plate 21 and a bending plate 22 which are connected with each other, the vertical connecting plate 21 is connected with the chair back 11, the bending plate 22 is arranged into an arc shape, and one end of the bending plate 22 away from the vertical connecting plate 21 is connected with the chair seat frame 5. The curvature of the bending plate 22 is adapted to the curvature of the transition between the backrest 11 and the seat 1, and the position of the backrest 11 is synchronously defined by the bending plate 22.
The seat frame 5 is provided with a receiving cavity 51, one end of the bending plate 22 far away from the vertical connecting plate 21 is inserted into the receiving cavity 51, and the length of the exposed part of the bending plate 22 is changed by changing the length of the bending plate 22 inserted into the receiving cavity 51, so that the seat frame is suitable for office chairs with different seat 1 lengths. The seat frame 5 is connected with a fixing assembly for fixing the length of the bent plate 22 inserted into the receiving cavity 51 so that the position of the bent plate 22 is fixed. The fixing assembly comprises a sliding groove 52, a locking bolt 6 and a fixing hole, the fixing hole is formed in one end, close to the seat frame 5, of the bending plate 22, the sliding groove 52 is formed in the top end of the seat frame 5, and the locking bolt 6 penetrates through the sliding groove 52 and is connected with the fixing hole in a threaded mode, so that the bending plate 22 is fixed. The runner 52 provides room for sliding of the locking bolt 6, and the position of the locking bolt 6 in the runner 52 changes when the length of the bent plate 22 inserted into the receiving cavity 51 changes.
Referring to fig. 3 and 4, the vertical connection plate 21 is provided with a screw hole 3, and the screw hole 3 is used for connecting a bolt, so that the vertical connection plate 21 can be detachably connected with the seat 1. The periphery of the vertical connecting plate 21 is provided with a flanging, one side of the vertical connecting plate 21, which is close to the protective shell 4, is provided with a concave part, a convex block 31 is arranged in the concave part, the section of the convex block 31 is in an isosceles trapezoid shape, and the width of the convex block 31 gradually decreases from the side, which is close to the vertical connecting plate 21, to the side, which is close to the protective shell 4. The size and shape of the protective shell 4 are matched with the concave part, a sleeve 41 is arranged on one side, close to the vertical connecting plate 21, of the protective shell 4, and the convex block 31 is connected with the sleeve 41 so as to connect the protective shell 4 with the vertical connecting plate 21.
The implementation principle of the fixing mechanism of the office chair back of the embodiment of the application is as follows: when the office chair is installed, the seat frame 5 is installed in the cavity of the seat 1, one end of the bent plate 22, which is close to the seat frame 5, is inserted into the accommodating cavity 51 of the seat frame 5, the locking bolt 6 is penetrated through the sliding groove 52 and is connected with the fixing hole in a threaded manner, so that the bent plate 22 is fixedly connected with the seat frame 5, the vertical connecting plate 21 is embedded into the cavity of the chair back 11, the vertical connecting plate 21 is fixed through the threaded hole 3 of the vertical connecting plate 21 and the threaded connection of the chair back 11, the convex block 31 is connected with the sleeve 41, the protective shell 4 is fixed in the concave part of the vertical connecting plate 21, the connecting holes 53 on two sides of the armrest 12 support and the seat frame 5 are connected, and thus the armrest 12 is installed, and the installation of the whole office chair and the fixing of the chair back 11 are completed.
The present embodiment is merely illustrative of the present application and is not intended to be limiting, and those skilled in the art, after having read the present specification, may make modifications to the present embodiment without creative contribution as required, but is protected by patent laws within the scope of the claims of the present application.
Claims (8)
1. The utility model provides a fixed knot of office chair back constructs, includes link (2), its characterized in that: one side of link (2) is connected in back of the chair (11) and seat support (1), back of the chair (11) with the cavity has all been seted up to seat support (1), link (2) inlay and locate the cavity, link (2) are kept away from back of the chair (11) with one side of seat support (1) is connected with protective housing (4).
2. The office chair back fixing structure according to claim 1, wherein: the connecting frame (2) comprises a vertical connecting plate (21) and a bending plate (22) which are connected with each other, the vertical connecting plate (21) is embedded in the cavity of the chair back (11), and the bending plate (22) is connected with the chair seat frame (5) of the chair seat (1).
3. The office chair back fixing structure according to claim 2, wherein: the chair comprises a chair seat frame (5), wherein a containing cavity (51) is formed in the chair seat frame (5), one end, close to the chair seat frame (5), of a bending plate (22) is inserted into the containing cavity (51), and the chair seat frame (5) is connected with a fixing assembly for fixing the position of the bending plate (22).
4. The office chair back fixing structure according to claim 2, wherein: the vertical connecting plate (21) is provided with a threaded hole (3), and the vertical connecting plate (21) is connected with the chair back (11) through the threaded hole (3) in a threaded mode.
5. The office chair back fixing structure according to claim 2, wherein: the vertical connecting plate (21) is close to one side of the protective housing (4) and is provided with lug (31), one side of the protective housing (4) close to the vertical connecting plate (21) is provided with sleeve (41), lug (31) connect in sleeve (41).
6. The office chair back fixing structure according to claim 5, wherein: the cross-sectional shape of the lug (31) is set to be isosceles trapezoid, and the width of the lug (31) gradually decreases from being close to the vertical connecting plate (21) to being close to the sleeve (41).
7. A fixing structure of an office chair back according to claim 3, wherein: the fixing assembly comprises a fixing hole formed in the bending plate (22), a sliding groove (52) is formed in the top end of the seat frame (5), the sliding groove (52) is connected with a locking bolt (6) in a sliding mode, and the locking bolt (6) is connected to the fixing hole through threads penetrating through the sliding groove (52).
8. The office chair back fixing structure according to claim 7, wherein: a plurality of connecting holes (53) are formed in the two ends of the seat frame (5), the connecting holes (53) are used for connecting armrests (12), and the bottom ends of the armrests (12) penetrate through the connecting holes (53) and are connected with nuts in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322008067.7U CN220384686U (en) | 2023-07-27 | 2023-07-27 | Fixing structure of office chair back |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322008067.7U CN220384686U (en) | 2023-07-27 | 2023-07-27 | Fixing structure of office chair back |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220384686U true CN220384686U (en) | 2024-01-26 |
Family
ID=89612800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322008067.7U Active CN220384686U (en) | 2023-07-27 | 2023-07-27 | Fixing structure of office chair back |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220384686U (en) |
-
2023
- 2023-07-27 CN CN202322008067.7U patent/CN220384686U/en active Active
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