Office chair
By adopting a mechanical structure of hexagonal shaft and locking parts on the office chair, the problem that the existing office chair cannot be quickly converted into a working state is solved, and the function of users to quickly adjust the seat angle is realized, which improves work efficiency.
Patent Information
- Application Number
- CN202421038100.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-13
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-05-13
AI Technical Summary
After the user needs to rest, the existing office seats cannot be quickly converted to working state, resulting in reduced work efficiency.
An office chair is designed, adopting a mechanical structure of a hexagonal shaft and a locking member. By adjusting the lateral position of the hexagonal shaft, the backrest can quickly rotate to an appropriate angle, and the backrest can be locked and unlocked through the coordination of the limit block and the latch slot.
It enables the user to quickly adjust the seat to a suitable working angle after resting, improves the ability to quickly invest in the working state, and thus improves work efficiency.
Smart Images
Figure CN222548888U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of seats, in particular to an office chair. Background Art
[0002] With the development of society, many jobs can be completed indoors, and most people's work has become sitting at a desk in front of a computer. Office chairs, as a necessary item for white-collar workers, play a key role.
[0003] However, in the prior art, most of the seats in companies or office areas are usually ordinary seats, which have no other functions except easy movement and ordinary leaning. When the user needs to rest properly by lying down at the original workstation after half a day's work, he can only rest through other means such as bringing a simple folding bed. When he needs to work, he needs to realign and tidy up, and he cannot quickly get into the working state, so he cannot work better. Utility Model Content
[0004] The utility model aims to solve the technical problem that when users need to rest after work, they can only rest through other means such as a simple folding bed, and when they need to work, they need to realign and tidy up, and cannot quickly get into the working state, thus unable to work better.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] An office chair comprises a seat and a backrest arranged on one side of the seat, a first mounting block is arranged at the lower part of the backrest, a second mounting block is arranged at the rear end of the seat, the second mounting block and the first mounting block are plugged into each other, the same hexagonal rotating shaft is passed through the first mounting block and the second mounting block, the first mounting block and the second mounting block rotate with each other through the hexagonal rotating shaft, a locking piece is installed on the hexagonal rotating shaft, and a clamping groove is provided on the locking piece; a limit block is arranged on the backrest, and the limit block abuts against the clamping groove; when the backrest needs to be locked, the lateral position of the hexagonal rotating shaft is adjusted so that the clamping groove is opposite to the limit block; when the backrest needs to be unlocked, the lateral position of the hexagonal rotating shaft is adjusted so that the clamping groove and the limit block are staggered, and a lifting component for driving the seat platform to move vertically is arranged at the bottom of the seat.
[0007] Working principle:
[0008] When the user needs to quickly get back to work after taking a rest, first, the user's back is no longer in contact with the backrest. At this time, the backrest will not abut against the seat due to the user's body weight. Then, the user sits on the seat and moves the hexagonal shaft horizontally with his right hand, and the hexagonal shaft drives the locking piece to move. Then, the backrest is rotated to the working angle that is consistent with the user's normal working angle. At this time, the hexagonal shaft is moved again, and the hexagonal shaft drives the locking piece to move. Then, when the user's back leans on the backrest, the limit block on the backrest abuts against the card slot on the locking piece. In this way, the user can quickly get back to work after taking a rest.
[0009] The beneficial effects of the utility model are:
[0010] Compared with some office chairs in the prior art, when the user needs to quickly get into work mode after resting, first, the user sits on the seat and moves the hexagonal shaft horizontally with his right hand, and the hexagonal shaft drives the locking piece to move, and then the backrest is rotated to the working angle consistent with the user's normal working angle. At this time, the hexagonal shaft is moved again, and the hexagonal shaft drives the locking piece to move, and then, when the user's back leans on the backrest, the limit block on the backrest abuts against the card slot on the locking piece. In this way, the user can quickly get into work mode. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;
[0012] Figure 2 The figure is a schematic diagram of the back view of the backrest and the seat;
[0013] Figure 3 for Figure 1 The enlarged schematic diagram at A in the middle;
[0014] Figure 4 Schematic diagram of the inner contour of the backrest and seat
[0015] Explanation of the reference numerals: seat 1, backrest 2, first mounting block 3, second mounting block 4, hexagonal shaft 5, locking piece 6, snap-in groove 7, limit block 8, first abutment block 9, second abutment block 10, pull rod 11, elastic line 12, lifting gas rod 13, armrest 14, headrest 15, cushion 16, pentagonal chair foot 17, universal wheel 18, slot 19, through hole 21, handle 22, cavity 23. DETAILED DESCRIPTION
[0016] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0017] like Figure 1 and Figure 3 As shown, an office chair comprises a seat 1 and a backrest 2 arranged on one side of the seat 1, a first mounting block 3 is provided at the lower part of the backrest 2, a second mounting block 4 is provided at the rear end of the seat 1, the second mounting block 4 and the first mounting block 3 are plugged into each other, the first mounting block 3 and the second mounting block 4 are penetrated by a same hexagonal rotating shaft 5, the first mounting block 3 and the second mounting block 4 are rotated with each other through the hexagonal rotating shaft 5, a locking piece 6 is installed on the hexagonal rotating shaft 5, the locking piece 6 comprises a first abutting block 9 in the shape of a hexagonal prism and four second abutting blocks 10 in the shape of a triangular prism, the four second abutting blocks 10 are arranged at both ends of the first abutting block 9 in a group of two, and the two second abutting blocks 10 in each group are located on both sides of the first abutting block 9, one side of the second abutting block 10 is fixed on the first abutting block 9, and the other side is fixed on the hexagonal rotating shaft 5, and a clamping groove 7 is formed between the two second abutting blocks 10, the first abutting block 9 and the hexagonal rotating shaft 5 on the same side. By moving the hexagonal shaft 5, the hexagonal shaft 5 drives the locking piece 6 to rotate, and the engaging groove 7 formed by the hexagonal shaft 5, the second abutment block 10 and the first abutment block 9 abuts against the limit block 8 on the bottom of the backrest 2. At this time, the backrest 2 cannot be rotated, so that the backrest 2 is locked. At this time, the two opposite surfaces of the two second abutment blocks 10 on the same side abut against the two side surfaces of the limit block 8, so that the angle of the backrest 2 can be adjusted, so that the staff can quickly enter the working state when preparing for work.
[0018] like Figure 1 , Figure 3 and Figure 4 As shown, a limit block 8 is provided on the backrest 2, and the limit block 8 abuts against the clamping groove 7; when the backrest 2 needs to be locked, the lateral position of the hexagonal shaft 5 is adjusted so that the clamping groove 7 is opposite to the limit block 8; when the backrest 2 needs to be unlocked, the lateral position of the hexagonal shaft 5 is adjusted so that the clamping groove 7 is staggered with the limit block 8. A lifting component for driving the seat platform 1 to move vertically is installed at the bottom of the seat platform 1, and a cavity 23 is provided in the seat platform 1. The lifting component includes a pull rod 11, an elastic line 12 and a lifting gas rod 13, one end of the lifting gas rod 13 is fixedly connected to the seat platform 1, one end of the elastic line 12 passes through the cavity 23 and is connected to the top of the lifting gas rod 13, and the pull rod 11 is fixedly arranged at the bottom of the seat platform 1 and fixedly connected to the other end of the elastic line 12. By setting the pull rod 11, after the pull rod 11 is pulled, the height of the lifting end of the lifting gas rod 13 is adjusted, so that the height of the seat platform 1 can be adjusted to meet the needs of users.
[0019] like Figure 1 and Figure 2As shown, it also includes two armrests 14, both of which are fixed on both sides of the seat 1, and also includes a headrest 15, which is installed on the backrest 2, and also includes a plurality of cushions 16, which are all covered and installed on the headrest 15, the armrests 14, the backrest 2 and the seat 1, and also includes a pentagonal chair foot 17 and a plurality of universal wheels 18, the pentagonal chair foot 17 is fixed on the outside of the lifting gas rod 13, and the plurality of universal wheels 18 are fixed on the bottom of the pentagonal chair foot 17, the second mounting block 4 is provided with a slot 19, the first mounting block 3 is inserted into the slot 19 of the second mounting block 4, the second mounting block 4 includes two side walls, the first mounting block 3 also includes two side walls, and the four side walls are all provided with through holes 21, the hexagonal shaft 5 is simultaneously passed through the four through holes 21, and also includes a handle 22, the handle 22 is fixedly sleeved on the hexagonal shaft 5 and is located on one side of the backrest 2. By means of the armrests 14, headrests 15, pentagonal chair feet 17 and universal wheels 18 on the lifting gas rod 13, the user can feel more comfortable when using the seat as a whole, and the cushions 16 arranged on the headrest 15, armrests 14, backrest 2 and seat 1 can further improve the user's feeling of use. Then, by inserting the first mounting block 3 into the slot 19 of the second mounting block 4, and then passing the hexagonal shaft 5 through the through holes 21 arranged on the side walls of the first mounting block 3 and the side walls of the second mounting block 4 respectively, and the hexagonal shaft 5 rotates to pass through the second mounting block 4, and the hexagonal shaft 5 passes through the first mounting block 3 and is fixedly installed on the first mounting block 3, this method can realize the rotation of the backrest 2 on the seat 1.
[0020] Working principle:
[0021] When the user needs to quickly get back to work after taking a rest, first, the user's back is no longer in contact with the backrest 2. At this time, the backrest 2 will not abut against the seat 1 due to the user's body weight. Then, the user sits on the seat 1 and moves the hexagonal shaft 5 horizontally with his right hand, and the hexagonal shaft 5 drives the locking piece 6 to move. Then, the backrest 2 is rotated to the working angle when the user normally uses it. At this time, the hexagonal shaft 5 is moved again, and the hexagonal shaft 5 drives the locking piece 6 to move. Then, when the user's back leans on the backrest 2, the limit block 8 on the backrest 2 abuts against the card slot 7 on the locking piece 6. In this way, the user can quickly get back to work after taking a rest. The pull rod 11 is arranged. After the pull rod 11 is pulled, the height of the lifting end of the lifting gas rod 13 is adjusted. Through the armrests 14, headrests 15, and pentagonal chair feet 17 and universal wheels 18 on the lifting gas rod 13, the user can be more comfortable when using the seat as a whole, and the cushions 16 arranged on the headrest 15, armrests 14, backrest 2 and seat 1 can further improve the user's feeling of use. Then, the first mounting block 3 is inserted into the slot 19 of the second mounting block 4, and then the hexagonal shaft 5 is respectively passed through the through holes 21 set on the side walls of the first mounting block 3 and the side walls of the second mounting block 4 in turn, and the hexagonal shaft 5 is rotated to pass through the second mounting block 4, and the hexagonal shaft 5 passes through the first mounting block 3 and is fixedly installed on the first mounting block 3.
[0022] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.
Claims
1. An office chair, comprising a seat (1) and a backrest (2) arranged on one side of the seat (1), characterized in that: A first mounting block (3) is provided at the lower part of the backrest (2), and a second mounting block (4) is provided at the rear end of the seat platform (1). The second mounting block (4) and the first mounting block (3) are plugged into each other. The first mounting block (3) and the second mounting block (4) are provided with a same hexagonal rotating shaft (5). The first mounting block (3) and the second mounting block (4) are rotated with each other via the hexagonal rotating shaft (5). A locking piece (6) is installed on the hexagonal rotating shaft (5), and a clamping groove (7) is provided on the locking piece (6). A limit block (8) is provided on the backrest (2), and the limit block (8) abuts against the clamping groove (7); when the backrest (2) needs to be locked, the lateral position of the hexagonal rotating shaft (5) is adjusted so that the clamping groove (7) and the limit block (8) are opposite; when the backrest (2) needs to be unlocked, the lateral position of the hexagonal rotating shaft (5) is adjusted so that the clamping groove (7) and the limit block (8) are staggered, and a lifting component for driving the base (1) to move vertically is installed at the bottom of the base (1).
2. An office chair according to claim 1, characterized in that: The locking member (6) comprises a first abutting block (9) in the shape of a hexagonal prism and four second abutting blocks (10) in the shape of a triangular prism. The four second abutting blocks (10) are arranged in groups of two at both ends of the first abutting block (9), and the two second abutting blocks (10) in each group are located on both sides of the first abutting block (9). One surface of the second abutting block (10) is fixed on the first abutting block (9), and the other surface is fixed on the hexagonal rotating shaft (5). A clamping groove (7) is formed between the two second abutting blocks (10) located on the same side, the first abutting block (9) and the hexagonal rotating shaft (5).
3. An office chair according to claim 1, characterized in that: The base (1) is provided with a cavity (23), and the lifting assembly comprises a pull rod (11), an elastic line (12) and a lifting gas rod (13), one end of the lifting gas rod (13) is fixedly connected to the base (1), one end of the elastic line (12) passes through the cavity (23) and is connected to the top of the lifting gas rod (13), and the pull rod (11) is fixedly arranged at the bottom of the base (1) and is fixedly connected to the other end of the elastic line (12).
4. An office chair according to claim 1, characterized in that: It also comprises two armrests (14), and the two armrests (14) are fixedly arranged on both sides of the seat platform (1).
5. An office chair according to claim 1, characterized in that: It also comprises a headrest (15), wherein the headrest (15) is arranged on the backrest (2).
6. An office chair according to claim 1, characterized in that: It also comprises a plurality of soft cushions (16), which are all covered and installed on the headrest (15), the armrest (14), the backrest (2) and the seat (1).
7. An office chair according to claim 3, characterized in that: It also includes a pentagonal chair foot (17) and a plurality of universal wheels (18), wherein the pentagonal chair foot (17) is fixedly arranged outside the lifting gas rod (13), and the plurality of universal wheels (18) are fixedly arranged at the bottom of the pentagonal chair foot (17).
8. An office chair according to claim 1, characterized in that: The second mounting block (4) is provided with a slot (19), the first mounting block (3) is inserted into the slot (19) of the second mounting block (4), the second mounting block (4) comprises two side walls, the first mounting block (3) also comprises two side walls, the four side walls are all provided with through holes (21), and the hexagonal rotating shaft (5) is simultaneously passed through the four through holes (21).
9. An office chair according to claim 1, characterized in that: It also comprises a handle (22), wherein the handle (22) is fixedly sleeved on the hexagonal rotating shaft (5) and is located on one side of the backrest (2).