CN220694829U - Chair leg structure of office chair - Google Patents
Chair leg structure of office chair Download PDFInfo
- Publication number
- CN220694829U CN220694829U CN202322392375.4U CN202322392375U CN220694829U CN 220694829 U CN220694829 U CN 220694829U CN 202322392375 U CN202322392375 U CN 202322392375U CN 220694829 U CN220694829 U CN 220694829U
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- block
- supporting
- rods
- fixed block
- fixing
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- 238000003780 insertion Methods 0.000 abstract description 8
- 230000037431 insertion Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
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- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model discloses a chair leg structure of an office chair, which comprises a connecting cylinder, wherein five supporting rods are arranged on the side surface of the connecting cylinder, one ends of the supporting rods are provided with a supporting and moving mechanism, the supporting and moving mechanism comprises a fixed block, universal wheels and a supporting ring, the inner ends of the fixed block are fixedly connected with the supporting rods, insertion holes are formed in the fixed block, clamping grooves are formed in the outer ends of the fixed block, the clamping grooves penetrate through the insertion holes, matching grooves are symmetrically formed in the outer ends of the fixed block, fixing rods are symmetrically arranged at the upper ends of the fixed block, pull plates are sleeved on the outer surfaces of the two fixing rods, limiting blocks are symmetrically arranged at the lower ends of the pull plates, the limiting blocks penetrate through the upper ends of the matching grooves, springs I are sleeved on the outer surfaces of the fixing rods, and the springs I are positioned above the pull plates. The utility model can complete the switching of two modes, namely a fixed mode and a movable mode, and a user can select the switching according to the actual use condition, thereby being convenient for the actual use.
Description
Technical Field
The utility model relates to the field of office chair legs, in particular to a chair leg structure of an office chair.
Background
Office chairs are various chairs equipped for convenience in daily work and social activities. Whether the legs of the office chair are stable or not is a basic element. The chair legs of the office chair have two forms, one form is provided with universal wheels, so that the office chair is convenient to move and replace, the other form is provided with no universal wheels, the office chair is supported by the support rod, the position is fixed, the position cannot easily occur, a user is required to manually move the position when the office chair is replaced, a general company purchases the office chair in a large scale, however, some people like to sit on the office chair capable of moving, some people like to sit on the office chair in the fixed position, the chair legs of the office chair in the prior art only have a single form, the two forms cannot be compatible, and inconvenience still exists in the actual use process. Accordingly, a person skilled in the art provides a leg structure of an office chair to solve the above-mentioned problems.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a chair leg structure of an office chair, which comprises a connecting cylinder, wherein five support rods are arranged on the side surface of the connecting cylinder, one end of each support rod is provided with a support moving mechanism, each support moving mechanism comprises a fixed block, universal wheels and a support ring, and one end of each fixed block close to the inner side is fixedly connected with each support rod;
the inside of the fixed block is provided with a jack, the outer end of the fixed block is provided with a clamping groove, the clamping groove penetrates through the jack, the outer end of the fixed block is symmetrically provided with a matching groove, the upper end of the fixed block is symmetrically provided with fixed rods, the outer surfaces of the two fixed rods are sleeved with pull plates, the lower end of each pull plate is symmetrically provided with a limiting block, the limiting block penetrates through the upper end of the matching groove, the outer surface of each fixed rod is sleeved with a first spring, and the first spring is positioned above the pull plate;
the universal wheel is arranged below the fixed block, the inserting block is arranged at the upper end of the universal wheel, the clamping hole is formed in the inserting block, the clamping block is arranged on one side, close to the outer side, of the fixed block, the pull ring plate is arranged on one end, close to the outer side, of the clamping block, the matching block is symmetrically arranged on one end, close to the inner side, of the pull ring plate, the matching block corresponds to the position of the matching groove, the limiting hole is formed in the matching block, and the limiting hole corresponds to the position of the limiting block;
the side surfaces of the fixed blocks are symmetrically provided with the positioning blocks, the supporting rings are arranged below the fixed blocks, the upper ends of the supporting rings are symmetrically provided with sliding rods, the sliding rods penetrate through the positioning blocks, and the upper ends of the two positioning blocks are provided with cross bars;
the upper end of the cross rod is provided with a groove, the inside of the groove is provided with a guide rod, the outer surface of the guide rod is sleeved with a sliding block, the outer surface of the guide rod is sleeved with a spring II, the upper end of the sliding block is provided with a transverse inserting plate, the upper end of the fixed block is provided with a positioning plate, the side surface of the positioning plate is provided with transverse inserting grooves in an up-down symmetrical mode, and the transverse inserting grooves correspond to the positions of the transverse inserting plates.
Preferably: the support rod is obliquely arranged.
Preferably: and baffle plates are mounted at the upper ends of the two fixing rods.
Preferably: the upper ends of the pull plates are symmetrically provided with L-shaped blocks.
Preferably: the upper end of the transverse plugboard is provided with a pushing block.
The utility model has the technical effects and advantages that:
according to the utility model, the inserting block is inserted into the inserting hole, so that the universal wheel is positioned at the lower end of the fixing block, the clamping block penetrates through the clamping groove and the clamping hole, and is inserted into the limiting hole through the limiting block, so that the position of the inserting block is fixed, the universal wheel is arranged at the lower end of the fixing block, the office chair is convenient to move through the universal wheel, and meanwhile, the universal wheel is convenient to detach and install, and a user can conveniently replace the universal wheel;
the utility model can complete the switching of two modes, namely a fixed mode and a movable mode, a user can select the switching according to the actual use condition, and the utility model is convenient for the actual use.
Drawings
FIG. 1 is a schematic structural view of the present application;
FIG. 2 is a schematic view of the structure of the support movement mechanism of the present application;
FIG. 3 is a schematic structural view of the fixing block of the present application;
FIG. 4 is a schematic view of the cross bar construction of the present application;
in the figure: 1. a connecting cylinder; 2. a support rod; 3. supporting a moving mechanism; 4. a fixed block; 5. a jack; 6. a clamping groove; 7. a mating groove; 8. a fixed rod; 9. a baffle; 10. pulling a plate; 11. a limiting block; 12. an L-shaped block; 13. a first spring; 14. a universal wheel; 15. inserting blocks; 16. a clamping hole; 17. a clamping block; 18. a mating block; 19. a limiting hole; 20. a pull ring plate; 21. a positioning block; 22. a support ring; 23. a slide bar; 24. a cross bar; 25. a groove; 26. a guide rod; 27. a slide block; 28. a transverse plugboard; 29. a pushing block; 30. a second spring; 31. a positioning plate; 32. a transverse slot.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Referring to fig. 1 to 4, in this embodiment, a leg structure of an office chair is provided, which includes a connecting cylinder 1, five support rods 2 are installed on the side of the connecting cylinder 1, the support rods 2 are arranged in an inclined manner, one end of each support rod 2 is installed with a support moving mechanism 3, each support moving mechanism 3 includes a fixed block 4, a universal wheel 14 and a support ring 22, the inner end of each fixed block 4 is fixedly connected with the support rod 2, an insertion hole 5 is formed in each fixed block 4, a clamping groove 6 is formed in the outer end of each fixed block 4, the clamping groove 6 penetrates through the insertion hole 5, a matching groove 7 is symmetrically formed in the outer end of each fixed block 4, fixing rods 8 are symmetrically installed at the upper ends of the fixed blocks 4, a baffle 9 is commonly installed at the upper ends of the two fixing rods 8, a pull plate 10 is sleeved on the outer surfaces of the two fixing rods 8, an L-shaped block 12 is symmetrically installed at the lower end of the pull plate 10, a limit block 11 is symmetrically installed at the lower end of the pull plate 11, the limit block 11 penetrates through the upper end of the matching groove 7, a spring 13 is sleeved on the outer surface of the fixing rod 8, and the spring 13 is located above the pull plate 10;
the universal wheel 14 is arranged below the fixed block 4, the inserting block 15 is arranged at the upper end of the universal wheel 14, the clamping holes 16 are formed in the inserting block 15, the clamping block 17 is arranged on one side outside the fixed block 4, the pull ring plate 20 is arranged at the other end outside the clamping block 17, the matching block 18 is symmetrically arranged at the other end inside the pull ring plate 20, the matching block 18 corresponds to the position of the matching groove 7, the limiting hole 19 is formed in the matching block 18, the limiting hole 19 corresponds to the position of the limiting block 11, the positioning block 21 is symmetrically arranged on the side surface of the fixed block 4, the supporting ring 22 is arranged below the fixed block 4, the sliding rod 23 is symmetrically arranged at the upper end of the supporting ring 22, the sliding rod 23 passes through the positioning block 21, the transverse rods 24 are jointly arranged at the upper ends of the two positioning blocks 21, the grooves 25 are formed at the upper ends of the transverse rods 24, the guide rods 26 are internally provided with the guide rods 26, the outer surfaces of the guide rods 26 are sleeved with the sliding blocks 27, the springs II 30 are symmetrically arranged at the outer ends of the guide rods 26, the upper ends of the sliding blocks 27 are provided with the transverse insertion plates 28, the push blocks 29 are respectively arranged at the upper ends of the sliding blocks 29, the upper ends of the positioning plates 31 correspond to the positions of the transverse insertion grooves 32, and the positions of the transverse insertion grooves 32 are symmetrically arranged at the upper and lower sides of the corresponding to the transverse insertion grooves 28.
The working principle of the utility model is as follows: inserting the inserting block 15 into the inserting hole 5, enabling the universal wheel 14 to be located at the lower end of the fixed block 4, pulling the pulling plate 10 to ascend through the L-shaped block 12, enabling the first spring 13 to be compressed by the pulling plate 10, enabling the pulling plate 10 to drive the limiting block 11 to ascend, enabling the clamping block 17 to penetrate through the clamping groove 6 and the clamping hole 16, simultaneously enabling the matching block 18 to be inserted into the matching groove 7, then loosening the L-shaped block 12, pushing the pulling plate 10 to reset through the first spring 13, enabling the pulling plate 10 to drive the limiting block 11 to be inserted into the limiting hole 19, fixing the position of the clamping block 17, accordingly fixing the position of the inserting block 15, enabling the universal wheel 14 to be installed at the lower end of the fixed block 4, enabling the office chair to conveniently move through the universal wheel 14, enabling the universal wheel 14 to be conveniently detached and installed, and enabling a user to conveniently replace the universal wheel 14;
when the office chair is required to be fixed in position, so that the office chair cannot be moved easily, the transverse plugboard 28 is pushed to move away from the upper transverse slot 32, the second spring 30 is compressed by the sliding block 27, the transverse rod 24 is pushed to descend, the transverse rod 24 drives the support ring 22 to descend to a position lower than the universal wheel 14 through the sliding rod 23, then the transverse plugboard 28 is released, the transverse plugboard 28 is pushed to reset and insert into the lower transverse slot 32 through the second spring 30, the position of the support ring 22 is fixed, the five support rings 22 provide supporting force for the office chair, the universal wheel 14 is separated from the ground, the office chair position is fixed, the office chair cannot be moved easily, and practical application is facilitated.
It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (5)
1. The chair leg structure of the office chair comprises a connecting cylinder (1), and is characterized in that five supporting rods (2) are arranged on the side face of the connecting cylinder (1), a supporting and moving mechanism (3) is arranged at one end of each supporting rod (2), each supporting and moving mechanism (3) comprises a fixed block (4), universal wheels (14) and a supporting ring (22), and the supporting rods (2) are fixedly connected with one inner end of each fixed block (4);
the fixing block (4) is internally provided with an inserting hole (5), one end, close to the outside, of the fixing block (4) is provided with a clamping groove (6), the clamping groove (6) penetrates through the inserting hole (5), one end, close to the outside, of the fixing block (4) is symmetrically provided with a matching groove (7), the upper end of the fixing block (4) is symmetrically provided with fixing rods (8), the outer surfaces of the two fixing rods (8) are sleeved with a pull plate (10), the lower end of the pull plate (10) is symmetrically provided with a limiting block (11), the limiting block (11) penetrates through the upper end of the matching groove (7), the outer surface of the fixing rod (8) is sleeved with a first spring (13), and the first spring (13) is positioned above the pull plate (10);
the universal wheel (14) is arranged below the fixed block (4), the inserting block (15) is arranged at the upper end of the universal wheel (14), the clamping hole (16) is formed in the inserting block (15), the clamping block (17) is arranged on one side, which is close to the outer side, of the fixed block (4), the pull ring plate (20) is arranged on one end, which is close to the outer side, of the clamping block (17), the matching block (18) is symmetrically arranged on one end, which is close to the inner side, of the pull ring plate (20), the matching block (18) corresponds to the position of the matching groove (7), the limiting hole (19) is formed in the matching block (18), and the limiting hole (19) corresponds to the position of the limiting block (11);
the side faces of the fixed blocks (4) are symmetrically provided with the positioning blocks (21), the supporting rings (22) are arranged below the fixed blocks (4), the upper ends of the supporting rings (22) are symmetrically provided with the sliding rods (23), the sliding rods (23) penetrate through the positioning blocks (21), and the upper ends of the two positioning blocks (21) are provided with the transverse rods (24);
the upper end of the cross rod (24) is provided with a groove (25), the inside of the groove (25) is provided with a guide rod (26), the outer surface of the guide rod (26) is sleeved with a sliding block (27), the outer surface of the guide rod (26) is sleeved with a spring II (30), the upper end of the sliding block (27) is provided with a transverse inserting plate (28), the upper end of the fixed block (4) is provided with a positioning plate (31), the side surface of the positioning plate (31) is provided with transverse inserting grooves (32) in an up-down symmetrical mode, and the transverse inserting grooves (32) correspond to the positions of the transverse inserting plates (28).
2. The leg structure of an office chair according to claim 1, characterized in that the support bar (2) is arranged obliquely.
3. The leg structure of an office chair according to claim 1, characterized in that the upper ends of the two fixing bars (8) are provided with a baffle plate (9) in common.
4. The leg structure of an office chair according to claim 1, wherein the upper ends of the pull plates (10) are symmetrically provided with L-shaped blocks (12).
5. The leg structure of an office chair according to claim 1, wherein the upper end of the cross-shaped board (28) is provided with a push block (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322392375.4U CN220694829U (en) | 2023-09-05 | 2023-09-05 | Chair leg structure of office chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322392375.4U CN220694829U (en) | 2023-09-05 | 2023-09-05 | Chair leg structure of office chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220694829U true CN220694829U (en) | 2024-04-02 |
Family
ID=90450652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322392375.4U Active CN220694829U (en) | 2023-09-05 | 2023-09-05 | Chair leg structure of office chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220694829U (en) |
-
2023
- 2023-09-05 CN CN202322392375.4U patent/CN220694829U/en active Active
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