CN109691813B - Five-star foot with disassembly and assembly functions - Google Patents
Five-star foot with disassembly and assembly functions Download PDFInfo
- Publication number
- CN109691813B CN109691813B CN201910140507.XA CN201910140507A CN109691813B CN 109691813 B CN109691813 B CN 109691813B CN 201910140507 A CN201910140507 A CN 201910140507A CN 109691813 B CN109691813 B CN 109691813B
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- arc
- supporting
- block
- shaped
- disassembly
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- 230000008093 supporting effect Effects 0.000 claims abstract description 78
- 238000003780 insertion Methods 0.000 claims description 16
- 230000037431 insertion Effects 0.000 claims description 16
- 239000003381 stabilizer Substances 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
- 238000009434 installation Methods 0.000 description 4
- 210000005056 cell body Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/002—Chair or stool bases
- A47C7/004—Chair or stool bases for chairs or stools with central column, e.g. office chairs
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/002—Chair or stool bases
- A47C7/006—Chair or stool bases with castors
Abstract
The invention belongs to the technical field of supporting structures, and particularly relates to a five-star foot with a disassembly and assembly function. According to the invention, the clamping plate, the arc-shaped groove body plate and the supporting block are arranged on the center block, and the connecting grooves, the arc-shaped connecting plates and the jacking blocks are arranged on the supporting legs, so that the effective effect of disassembling and assembling the five-star feet is achieved. The invention has the advantages of reasonable and effective five-star foot split dismounting structure, easy clamping and positioning of the support legs before dismounting, moderate resistance during dismounting, convenient operation, high support strength after mounting, good friction fixing effect between the support legs and the center block when lifted off the ground, difficult falling of the support legs, good use effect of the split structure of the dismounting type and convenient replacement of single support leg.
Description
Technical Field
The invention belongs to the technical field of supporting structures, and particularly relates to a five-star foot with a disassembly and assembly function.
Background
The swivel chair feet, also called five-star feet, are common support fittings of swivel chairs and office chairs for installing lifting cylinders and supporting swivel chairs, and the existing swivel chair feet are of an integral structure, so that when one leg arm is damaged, the whole five-star feet are required to be replaced, and unnecessary waste is caused, and on the other hand, the integral structure occupies large space, and particularly when the swivel chair is stored or packaged for transportation, the space is wasted, the transportation cost is high, and the expenditure of enterprises is increased. The existing detachable five-star foot is easy to detach and low in structural strength, so that the supporting feet are easy to drop and disintegrate after being lifted off the ground, or the structural strength can be high, the detachment is time-consuming and labor-consuming, and therefore the improved five-star foot structure with high structural strength and convenient detachment is urgently needed in the market.
The patent bulletin number is CN204599892U, and the Chinese patent publication date is 2015.09.02 discloses a seat five-star foot easy to assemble and disassemble, comprising a mounting seat and a plurality of supporting feet, wherein the mounting seat is composed of a sleeve and at least three supporting foot connecting pipes fixedly connected with the sleeve, the supporting foot connecting pipes are connected with the supporting feet, one ends of the supporting foot connecting pipes are provided with elastic locating pins, the side wall of one end of each supporting foot connecting pipe is provided with a locating hole connected with each elastic locating pin, and the elastic locating pins on the supporting foot connecting pipes are clamped into the locating holes on the supporting feet.
However, the detachable seat five-star foot in the patent of the invention has the problem of insufficient structural strength.
Disclosure of Invention
The invention aims to provide a five-star foot with a disassembly and assembly function, which can achieve the effective disassembly and assembly effect of the five-star foot by arranging a clamping plate, an arc-shaped groove body plate and a supporting block on a center block and arranging a connecting groove, an arc-shaped connecting plate and a jacking block on a supporting foot. The invention has the advantages of reasonable and effective five-star foot split dismounting structure, easy clamping and positioning of the support legs before dismounting, moderate resistance during dismounting, convenient operation, high support strength after mounting, good friction fixing effect between the support legs and the center block when lifted off the ground, difficult falling of the support legs, good use effect of the split structure of the dismounting type and convenient replacement of single support leg.
The invention adopts the technical proposal that: the utility model provides a five stars foot with dismouting function, includes the center piece of outer pentagon to and five stabilizer blades, still including setting up the clamping plate of both sides position department on five sides of center piece sets up the arc cell body board of clamping plate medial surface upper and lower extreme position department sets up spread groove on the stabilizer blade link sets up on the spread groove and be used for with the arc cell body board colludes the fixed arc connecting plate, set up on the center piece side and lie in two be used for supporting between the clamping plate the supporting shoe of spread groove upper groove body board, and set up two between the arc connecting plate and be used for before inserting the lower part of supporting shoe blocks spacing, inserts the jack-up piece of back upwards support.
The further preferable technical scheme is as follows: the novel arc-shaped groove is characterized in that an arc-shaped groove opening is formed in the arc-shaped groove body plate, a protruding block used for limiting and fixing the arc-shaped connecting plate from the outer side is arranged on one side, away from the center block, of the arc-shaped groove opening, and an arc-shaped surface used for sliding on the arc-shaped groove opening is arranged at the lower end of the arc-shaped connecting plate.
The further preferable technical scheme is as follows: the jack-up piece is including being close to the vertical plane of center piece one side to and the arc top surface of upper end, the supporting shoe lower extreme is equipped with and is used for when the stabilizer blade inserts through supporting the mode is in on the vertical plane with the lower spacing face of the fixed downward sloping of being used for spacing the stabilizer blade, be used for support in the back is opened in the upward rotation of stabilizer blade the well holding surface on the vertical plane, and be used for letting when the stabilizer blade is opened in the rotation of arc top surface gets into last arc surface.
The further preferable technical scheme is as follows: and the protruding block is provided with a limiting plane for limiting and supporting the arc-shaped connecting plate to be far away from the outer side surface of the center block when the supporting legs are inserted.
The further preferable technical scheme is as follows: and a limit groove is formed between the outer side surface of the protruding block and the arc notch, and an end angle plate for limiting and fixing the inserted supporting leg in an inserting mode with the limit groove is arranged on the arc connecting plate.
The further preferable technical scheme is as follows: the protruding block is provided with a protruding block inner side plane which is used for propping against the outer side vertical plane of the arc-shaped connecting plate after the supporting legs are unfolded in a rotating mode.
The further preferable technical scheme is as follows: the upper surface of the supporting block is provided with an inserting column, and the inner top surface of the connecting groove is provided with an inserting groove which is used for limiting and fixing when the supporting legs are suspended in the air in a rotary clamping mode through the inserting column.
The further preferable technical scheme is as follows: the vertical section of the insertion column is triangular, the upper end of the insertion column is an arc-shaped end head, and the support block is provided with a structure reinforcing block which is simultaneously connected with the insertion column and the center block.
The further preferable technical scheme is as follows: the support legs are provided with two main body plates for connecting the arc-shaped connecting plates and the jacking blocks.
The further preferable technical scheme is as follows: and a structural opening is formed in the arc-shaped connecting plate.
According to the invention, the clamping plate, the arc-shaped groove body plate and the supporting block are arranged on the center block, and the connecting grooves, the arc-shaped connecting plates and the jacking blocks are arranged on the supporting legs, so that the effective effect of disassembling and assembling the five-star feet is achieved. The invention has the advantages of reasonable and effective five-star foot split dismounting structure, easy clamping and positioning of the support legs before dismounting, moderate resistance during dismounting, convenient operation, high support strength after mounting, good friction fixing effect between the support legs and the center block when lifted off the ground, difficult falling of the support legs, good use effect of the split structure of the dismounting type and convenient replacement of single support leg.
Drawings
Fig. 1 is a schematic diagram illustrating the assembly and disassembly of five-star legs in the present invention.
Fig. 2 is a schematic structural view of a center block in the present invention.
Fig. 3 is a schematic view of the position structure of the supporting block in the present invention.
Fig. 4 is a schematic view showing the position structure of the insertion column in the present invention.
Fig. 5 is a schematic view of the position structure of the arc-shaped connecting plate in the invention.
Fig. 6 is a schematic view of the position structure of the jack-up block in the present invention.
Fig. 7 is a semi-sectional view of a limiting plane and a limiting groove in the present invention.
Fig. 8 is a schematic diagram of the structure of the five-star foot in the invention when unfolded.
Detailed Description
The following description is of the preferred embodiments of the invention and is not intended to limit the scope of the invention.
Examples: as shown in fig. 1, 2, 3, 4, 5, 6, 7 and fig. 8, a five-star foot with dismounting function comprises a central block 1 with an outer pentagon, five supporting legs 2, clamping plates 3 arranged at positions on two sides of the five sides of the central block 1, an arc-shaped groove body plate 4 arranged at positions on the upper and lower ends of the inner sides of the clamping plates 3, a connecting groove 5 arranged at the connecting end of the supporting legs 2, an arc-shaped connecting plate 6 arranged on the connecting groove 5 and used for hooking and fixing the arc-shaped groove body plate 4, a supporting block 7 arranged on the side of the central block 1 and positioned between the two clamping plates 3 and used for supporting the upper groove body plate of the connecting groove 5, and a jacking block 8 arranged between the two arc-shaped connecting plates 6 and used for blocking limiting before insertion and upwards supporting the lower part of the supporting block 7.
In this embodiment, the connection structure between the center block 1 and the support leg 2 has five layers, and is formed by sequentially propping two clamping plates 3 against the inner top surface of the connecting groove 5 from outside to inside, two connecting grooves 5 are hooked with the arc-shaped connecting plate 6, the middle supporting block 7 upwards receives the downward pressing of the connecting groove 5 and downwards receives the upward pushing of the jacking block 8, and finally the center block 1 and the support leg 2 have the advantages of convenient disassembly and assembly and high supporting strength after installation.
The arc-shaped groove body plate 4 is provided with an arc-shaped notch which is upwards arranged, one side of the arc-shaped notch, which is far away from the center block 1, is provided with a protruding block 9 which is used for limiting and fixing the arc-shaped connecting plate 6 from the outer side, and the lower end of the arc-shaped connecting plate 6 is provided with an arc-shaped surface which is used for sliding on the arc-shaped notch. The jack-up piece 8 is including being close to the vertical plane of center piece 1 one side to and the arc top surface of upper end, support piece 7 lower extreme is equipped with and is used for when stabilizer blade 2 inserts through supporting on the vertical plane mode with be used for spacing fixed downward sloping lower spacing face 10 of stabilizer blade 2, be used for supporting in the back of stabilizer blade 2 upwards rotatory expansion the well holding surface 11 on the vertical plane, and be used for letting when stabilizer blade 2 rotatory expansion the last arc face 12 that the arc top surface got into.
In this embodiment, the failure sequence of the three acting surfaces at the lower end of the supporting block 7 is as follows:
firstly, the connection end of the supporting leg 2 faces upwards, the installation end of the outer roller faces downwards, the arc-shaped connection plate 6 is inserted into the arc-shaped groove body plate 4 at an angle of about 15 degrees in a vertical included angle, at the moment, the outer plane of the jacking block 8 is in contact with the lower limiting surface 10, and the supporting leg 2 is suspended at the moment and cannot fall down;
secondly, the outer sides of the supporting legs 2 are lifted upwards, and the arc-shaped top surfaces of the jacking blocks 8 start to contact and fit with the upper arc-shaped surfaces 12;
finally, when the support leg 2 rotates to the end face of the connecting groove 5 abuts against the side face of the center block 1, the arc top face of the jacking block 8 rotates completely in the upper arc face 12, the outer side plane of the jacking block 8 abuts against the middle supporting face 11, so far, the supporting block 7 presses on the jacking block 8 to block the upward trend of the jacking block 8, and the supporting block is used as the supplement of the supporting force between the side face of the connecting groove 5 and the side face of the center block 1 to support the trend of the sagging of the center block 1 after the five-star feet bear pressure.
The protruding block 9 is provided with a limiting plane 13 for limiting and supporting the arc-shaped connecting plate 6 away from the outer side surface of the center block 1 when the supporting leg 2 is inserted. A limiting groove 14 is formed between the outer side surface of the protruding block 9 and the arc-shaped notch, and an end angle plate 15 for limiting and fixing the inserted support leg 2 in an inserting mode with the limiting groove 14 is arranged on the arc-shaped connecting plate 6.
In this embodiment, when the support leg 2 is kept inserted at the angle of about 15 ° and is to be rotated and opened, the outer side plane of the jack-up block 8 abuts against the lower limit surface 10, which is the first limit position, the outer side vertical plane of the arc-shaped connecting plate 6 presses on the limit plane 13, which is the first limit position, and finally the end angle plate 15 is inserted into the limit groove 14, which is the third limit position after the support leg 2 is inserted, so that the support leg 2 can be kept stable after being inserted into the inner side of the protruding block 9 of the arc-shaped groove body plate 4 through the arc-shaped connecting plate 6, and the falling out is avoided.
The protruding block 9 is provided with a protruding block inner side plane which is used for propping against the outer side vertical plane of the arc-shaped connecting plate 6 after the supporting legs 2 are unfolded in a rotating mode.
In this embodiment, after the support leg 2 is rotated and opened, the outer vertical plane of the arc-shaped connecting plate 6 is contacted with the limiting plane 13 from the beginning, keeps limiting, and is switched to be propped against the inner plane of the protruding block, so as to ensure a basic hooking structure, then, the contact position of the limiting plane 13 is the middle part of the outer vertical plane, and the propped position of the inner plane of the protruding block is the lower part of the outer vertical plane.
An insertion column 16 is arranged on the upper surface of the supporting block 7, and an insertion groove 17 which is used for limiting and fixing when the supporting leg 2 is suspended in the air by means of rotating and clamping the insertion column 16 is arranged on the inner top surface of the connecting groove 5. The vertical section of the insertion column 16 is triangular, the upper end of the insertion column is an arc-shaped end, and the support block 7 is provided with a structure reinforcing block 18 which is simultaneously connected with the insertion column 16 and the center block 1. The support leg 2 is provided with two body plates 19 for connecting the arc-shaped connection plate 6 and the jacking block 8. The arc-shaped connecting plate 6 is provided with a structural opening 20.
In this embodiment, the arc-shaped connection plate 6 is hooked with the arc-shaped groove body plate 4 and the protruding block 9, the jacking block 8 is propped up on the supporting block 7, at this time, the supporting leg 2 can ensure a certain supporting effect when in use, but the strength is far insufficient, so that the upper groove body plate of the connection groove 5 is propped against the side surface of the central block 1 and is pressed on the upper surface of the supporting block 7, and thus the sufficient supporting strength can be ensured, if the upper groove body plate of the connection groove 5 is not broken, the upper supporting structure is continuously effective, and similarly, if the arc-shaped connection plate 6 and the protruding block 9 are not broken, the lower hooking structure is also continuously effective.
The main body plate 19 axially penetrates through the whole supporting leg 2, the main body of the supporting leg 2 is of an inverted U shape, the main body plate 19 ensures the installation strength of the arc-shaped connecting plate 6 and the jacking block 8, namely, when the main body plate 19 is not located, the arc-shaped connecting plate 6 can also ensure the hooking effect in a connecting mode of the connecting groove 5 through the upper part, but the strength is obviously insufficient, so that the main body plate 19 is used for connection reinforcement, and the installation stability of the arc-shaped connecting plate 6 and the jacking block 8 is ensured.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various modifications may be made within the knowledge of those skilled in the art without departing from the spirit of the present invention. These are all non-inventive modifications which are intended to be protected by the patent laws within the scope of the appended claims.
Claims (8)
1. Five-star foot with dismouting function, including outer pentagonal center piece (1) to and five stabilizer blade (2), its characterized in that: the clamping plate (3) is arranged at the positions of the two sides of the five sides of the center block (1), the arc-shaped groove body plates (4) are arranged at the positions of the upper end and the lower end of the inner side of the clamping plate (3), the connecting grooves (5) are arranged at the connecting ends of the supporting legs (2), the arc-shaped connecting plates (6) are arranged on the connecting grooves (5) and used for hooking and fixing the arc-shaped groove body plates (4), the supporting blocks (7) are arranged on the side of the center block (1) and positioned between the two clamping plates (3) and used for supporting the groove body plates at the upper layer of the connecting grooves (5), the jacking blocks (8) are arranged between the two arc-shaped connecting plates (6) and used for blocking and limiting before insertion and upwards supporting after insertion at the lower part of the supporting blocks (7),
the connecting structure between the center block (1) and the support legs (2) comprises five layers, wherein two clamping plates (3) are sequentially propped against the inner top surface of the connecting groove (5) from outside to inside, the two connecting grooves (5) are hooked with the arc-shaped connecting plates (6), the middle supporting block (7) upwards receives the downward pressing of the connecting groove (5) and downwards receives the upward pushing of the jacking block (8),
an arc notch which is upwards opened is arranged on the arc-shaped groove body plate (4), a protruding block (9) which is used for limiting and fixing the arc-shaped connecting plate (6) from the outer side is arranged on one side of the arc-shaped notch which is far away from the center block (1), an arc-shaped surface which is used for sliding on the arc-shaped notch is arranged at the lower end of the arc-shaped connecting plate (6),
an inserting column (16) is arranged on the upper surface of the supporting block (7), and an inserting groove (17) which is used for limiting and fixing when the supporting leg (2) is suspended in the air in a rotary clamping mode through the inserting column (16) is arranged on the inner top surface of the connecting groove (5).
2. The five-star foot with disassembly and assembly functions according to claim 1, wherein: the jack-up piece (8) is including being close to the vertical plane of center piece (1) one side to and the arc top surface of upper end, supporting shoe (7) lower extreme is equipped with and is used for be in when stabilizer blade (2) are inserted through supporting on the vertical plane mode with be used for spacing fixed downward sloping lower spacing face (10) of stabilizer blade (2), be used for supporting after stabilizer blade (2) are rotatory to expand upwards well supporting surface (11) on the vertical plane, and be used for letting when stabilizer blade (2) are rotatory to expand arc top surface gets into last arcwall face (12).
3. The five-star foot with disassembly and assembly functions according to claim 2, wherein: the protruding block (9) is provided with a limiting plane (13) for limiting and supporting the arc-shaped connecting plate (6) to be far away from the outer side face of the center block (1) when the supporting legs (2) are inserted.
4. A five-star foot with disassembly and assembly functions according to claim 3, wherein: a limit groove (14) is formed between the outer side surface of the protruding block (9) and the arc notch, and an end angle plate (15) for limiting and fixing the inserted supporting leg (2) is arranged on the arc connecting plate (6) in an inserting mode with the limit groove (14).
5. The five-star foot with disassembly and assembly functions according to claim 4, wherein: the protruding block (9) is provided with a protruding block inner side plane which is used for propping against the outer side vertical plane of the arc-shaped connecting plate (6) after the supporting legs (2) are unfolded in a rotating mode.
6. The five-star foot with disassembly and assembly functions according to claim 1, wherein: the vertical section of the insertion column (16) is triangular, the upper end of the insertion column is an arc-shaped end, and the support block (7) is provided with a structure reinforcing block (18) which is simultaneously connected with the insertion column (16) and the center block (1).
7. The five-star foot with disassembly and assembly functions according to claim 1, wherein: two main body plates (19) used for connecting the arc-shaped connecting plates (6) and the jacking blocks (8) are arranged on the supporting legs (2).
8. The five-star foot with disassembly and assembly functions according to claim 1, wherein: the arc-shaped connecting plate (6) is provided with a structure opening (20).
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910140507.XA CN109691813B (en) | 2019-02-26 | 2019-02-26 | Five-star foot with disassembly and assembly functions |
| PCT/CN2019/088733 WO2020173007A1 (en) | 2019-02-26 | 2019-05-28 | Detachable five-star leg |
| EP19917228.9A EP3942968B1 (en) | 2019-02-26 | 2019-05-28 | Detachable five-star leg |
| CA3138813A CA3138813A1 (en) | 2019-02-26 | 2019-05-28 | Detachable five-star base |
| US17/418,221 US11464334B2 (en) | 2019-02-26 | 2019-05-28 | Detachable five-star base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910140507.XA CN109691813B (en) | 2019-02-26 | 2019-02-26 | Five-star foot with disassembly and assembly functions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109691813A CN109691813A (en) | 2019-04-30 |
| CN109691813B true CN109691813B (en) | 2023-11-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910140507.XA Active CN109691813B (en) | 2019-02-26 | 2019-02-26 | Five-star foot with disassembly and assembly functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109691813B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020173007A1 (en) * | 2019-02-26 | 2020-09-03 | 安吉金泰紧固件有限公司 | Detachable five-star leg |
| CN110074577A (en) * | 2019-05-20 | 2019-08-02 | 黄依群 | A kind of chair leg structure |
| CN110101239A (en) * | 2019-06-21 | 2019-08-09 | 李伟亮 | A kind of no-welding type star base of fission assembled |
| CN111642924B (en) * | 2020-05-22 | 2023-06-06 | 安吉汉强家具有限公司 | Detachable chair leg |
| CN114403624A (en) * | 2021-12-06 | 2022-04-29 | 浙江安吉盛杏家具有限公司 | Five-star foot convenient to dismouting |
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| CN103850411B (en) * | 2014-03-21 | 2014-10-22 | 青岛朔方国际贸易有限公司 | Fixing device for glass guardrail |
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| CN203555408U (en) * | 2013-09-13 | 2014-04-23 | 浙江永艺家具股份有限公司 | Swivel chair leg and stabilizer blade for swivel chair leg |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109691813A (en) | 2019-04-30 |
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