CN109770603B - Chair leg and chair - Google Patents
Chair leg and chair Download PDFInfo
- Publication number
- CN109770603B CN109770603B CN201910078360.6A CN201910078360A CN109770603B CN 109770603 B CN109770603 B CN 109770603B CN 201910078360 A CN201910078360 A CN 201910078360A CN 109770603 B CN109770603 B CN 109770603B
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- CN
- China
- Prior art keywords
- connecting piece
- piece
- chair
- locking
- supporting
- Prior art date
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Links
- 239000002184 metal Substances 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 7
- 238000004806 packaging method and process Methods 0.000 description 4
- 238000005034 decoration Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The invention discloses a chair leg and a chair, which comprise a first supporting leg, a second supporting leg and a connecting structure for connecting the first supporting leg and the second supporting leg, wherein the connecting structure comprises a first connecting piece connected with at least one first supporting leg and a second connecting piece connected with at least two second supporting legs, and the first connecting piece is in plug-in fit with the second connecting piece to form a hollow plug-in cavity. The invention realizes high assembly efficiency of assembling the supporting legs, has simple structure, long storage time and low cost of the chair legs.
Description
Technical Field
The invention belongs to the technical field of furniture, and particularly relates to a chair leg and a chair.
Background
The seats in the market at present comprise a plurality of swivel chairs, rocking chairs, fixed chairs and the like, wherein the swivel chairs are mostly used in the environments of offices and the like, can conveniently move and rotate the chairs, and have the characteristic of convenient use; the chair feet and the air cylinders of the existing chairs in the market are detachably connected, and when the existing chair feet are produced, the supporting feet and the metal cylinders in the middle are directly welded together before delivery, but the whole chair feet are large in size, so that when the chair is sold, the occupied space is large, the transportation is inconvenient, and the chairs cannot be filled into the paper boxes when packaged.
Chinese patent CN206792112U discloses a chair leg, comprising a base and a chair leg arranged on the base; the middle part of the base is provided with a shaft hole for sleeving the lower end part of the air rod assembly, and the shaft hole axially penetrates through the base; the number of the chair legs is not less than three, the chair legs are S-shaped tubular chair legs, and the horizontal height of the outer end parts of the chair legs is lower than that of the inner end parts; the inner end of the chair leg is detachably connected and fixed on the base, and the outer end of the chair leg is vertically downward used as a supporting end.
In the above document, the two chair legs are connected and fixed by adding the base, and then the lower part of the lifting cylinder is inserted into the base, so that the convenience in carrying and packaging the chair legs is realized, but the base is added, so that the chair legs are complicated in assembly and cannot be assembled rapidly when the chair is installed; the base is additionally arranged, so that the base needs to be additionally packaged when the boxing is carried out, the working procedures are increased when the boxing is carried out, and the boxing efficiency is reduced; and the cost of the whole chair leg is increased due to the addition of the base, so that the cost of the whole chair is also increased.
Disclosure of Invention
The invention provides a chair leg and a chair convenient to package in order to overcome the defects of the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a chair foot, includes first supporting legs, second supporting legs, is used for connecting the connection structure of first, second supporting legs, connection structure is including being connected with at least one first connecting piece of first supporting legs and being connected with at least two the second connecting piece of second supporting legs, first connecting piece with the cooperation of second connecting piece grafting is in order to form hollow grafting chamber.
According to the invention, the first supporting leg and the second supporting leg are respectively connected to the first connecting piece and the second connecting piece, and then the first connecting piece and the second connecting piece are connected to realize the assembly of the first supporting leg and the second supporting leg together so as to form the chair leg, so that the whole connecting structure is simple in structure and convenient to assemble, the assembly can be realized only by plugging without other additional tools, the rapid assembly can be realized, and the assembly efficiency is high; the first connecting piece and the second connecting piece can be arranged to facilitate the first supporting leg and the second supporting leg to be separately arranged in the packaging box, so that better protection can be realized after the supporting leg is produced, dust is avoided, the storage time is long, the dust is prevented from falling onto the chair leg, and the packaging box can be arranged in the packaging box, namely in the sealing bag, so that the situation that rust is generated before the chair leg is not taken out due to oxidation of oxygen and water in the air can be isolated; meanwhile, the first supporting leg is connected with the first connecting piece, the second supporting leg is connected with the second connecting piece, and cost is increased because a base is not required to be additionally arranged, so that cost of the whole chair leg can be effectively reduced.
Preferably, the second connecting piece is provided with a notch, and the first connecting piece is provided with a convex part inserted into the notch; when the first connecting piece and the second connecting piece are installed through the protruding portions and the notch portions, the installation is convenient.
Preferably, a first limiting part is arranged on the first connecting piece, and a second limiting part matched with the first limiting part is arranged on the second connecting piece; the first limiting part and the second limiting part can limit the left and right sliding of the first connecting piece and the second connecting piece, and the stability is high after the assembly is completed.
Preferably, the number of the convex parts and the number of the notch parts are at least two; the two convex parts can be mutually limited with the inner wall of the notch part, so that the first connecting piece and the second connecting piece cannot slide left and right after being connected, and the subsequent supporting piece is convenient to insert into the inserting cavity.
Preferably, the first connecting piece is provided with a loop part; the arrangement of the loop part can limit the downward excessive movement of the first connecting piece on one hand and can be sleeved with the parts in the lifting rod part on the other hand, so that the connecting effect between the first connecting piece and the lifting rod part is good.
Preferably, the first connecting piece and the second connecting piece are in anti-falling fit through a locking structure; the locking structure can lock the first connecting piece and the second connecting piece, so that the first connecting piece and the second connecting piece can not be separated after being combined, and the stability of the first connecting piece and the second connecting piece after connection is completed is improved.
Preferably, the locking structure comprises a securing member; can carry out spacingly through setting up the bulge to convex part lower part outer wall, guarantee that the skew can not take place for the second connecting piece, and set up the mounting and then lock first connecting piece and second connecting piece, consequently during the use, first connecting piece and second connecting piece can not take place to drop, when carrying the chair, its stability is good.
Preferably, the locking structure comprises a lock hole arranged on the first connecting piece, a locking piece and a pushing piece for pushing the locking piece into the lock hole, wherein the pushing piece is arranged on the second connecting piece; the pushing piece is arranged to push the locking piece to enter the locking hole, the locking piece can be locked with the second connecting piece after the first connecting piece is inserted, the first connecting piece and the second connecting piece are conveniently locked and connected, and the locking device has the advantage of being convenient to operate.
Preferably, the device further comprises a support piece which is used for being inserted into the inserting cavity, and the outer wall of the lower part of the support piece is obliquely arranged from top to bottom; by setting the lower part of the support piece to be inclined, after the support piece is inserted into the inserting cavity, the support piece can be continuously in contact with the inner wall of the inserting cavity more and more tightly, so that after the support piece is inserted, the support piece and the chair legs are firmly connected.
The invention also provides a seat, which comprises the seat leg.
In summary, the invention realizes high assembly efficiency of assembling the supporting legs, simple structure, long storage time and low cost of the chair legs.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is an exploded view of a first embodiment of the present invention.
Fig. 3 is a schematic partial structure of a first embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a connection structure according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a second embodiment of the present invention.
Fig. 6 is an exploded view of a second embodiment of the present invention.
Fig. 7 is a cross-sectional view of a connection structure in a second embodiment of the present invention.
Fig. 8 is an enlarged view of a in fig. 7.
Fig. 9 is an exploded view of a second embodiment of the present invention.
Fig. 10 is a schematic diagram of a third partial structure of an embodiment of the present invention.
Fig. 11 is an exploded view of a three-connection structure according to an embodiment of the present invention.
Fig. 12 is a cross-sectional view of a third embodiment of the present invention.
Fig. 13 is an enlarged view of B in fig. 12.
Fig. 14 is a schematic structural diagram of a fourth embodiment of the present invention.
Fig. 15 is an exploded view of a fourth embodiment of the present invention.
Fig. 16 is an exploded view of a fourth connection structure according to an embodiment of the present invention.
Fig. 17 is a schematic structural diagram of a fifth embodiment of the present invention.
Fig. 18 is a schematic structural diagram of a sixth embodiment of the present invention.
Detailed Description
In order to enable those skilled in the art to better understand the present invention, the following description will make clear and complete descriptions of the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1 to 4, a chair leg comprises a first supporting leg 11, a plurality of second supporting legs 12, a connecting structure and a supporting piece 3, wherein the first supporting leg and the second supporting leg are both approximately L-shaped metal rods, one end of the first supporting leg 11 is detachably connected with a first rotating wheel 101, one end of the second supporting leg 12 is detachably connected with a second rotating wheel 102, at least one first supporting leg 11 is provided, at least two second supporting legs 12 are provided, and the first supporting leg 11 and the second supporting leg 12 are connected together through the connecting structure; the connecting structure comprises a first connecting piece 21 and a second connecting piece 22, wherein two symmetrically arranged first supporting feet 11 are connected to the first connecting piece 21, and the end parts of the first supporting feet 11 are connected with the first connecting piece 21 by welding or screws; two second supporting feet 12 which are symmetrically arranged are connected to the second connecting piece 22, and the second supporting feet 12 and the second connecting piece 22 are welded or connected by adopting screws; the first connecting piece 21 and the second connecting piece 22 form a cylinder after being plugged together, so that the first connecting piece 21 and the second connecting piece 22 form a hollow plugging cavity for inserting the lower part of the supporting piece 3 into the plugging cavity.
Specifically, the first connecting piece 21 is provided with two symmetrically arranged protrusions 211 and a collar portion 214, the collar portion 214 is a ring of metal, the protrusions are arc-shaped surfaces provided with metal sheets, the collar portion 214 is located at the upper end of the protrusions, and the collar portion 214 and the two protrusions 211 are integrally formed; the second connecting member 22 is provided with two symmetrically arranged notch parts 221, the specific shape of the second connecting member 22 is that the lower part is provided with a circular connecting ring, the upper end surface of the connecting ring is provided with two symmetrically arranged protruding pieces, the shape of each protruding piece is the same as that of each protruding part, and the gap parts 221 are formed by the spacing between the two protruding pieces, so that the protruding parts 211 can be inserted into the notch parts 221 to complement the notch parts and form a cylinder shape. The protruding portion 211 is provided with a first limiting portion 213, the second connecting member 22 is provided with a second limiting portion 223, the first limiting portion 213 is formed on the side walls of the left and right sides of the protruding portion 211, the second limiting portion 223 is formed on the inner wall of the notch portion 221, and meanwhile, the first limiting portion 221 and the second limiting portion are parallel, so that the first limiting portion 213 and the second limiting portion are mutually limited.
Simultaneously, the first connecting piece 21 and the second connecting piece 22 realize anti-falling fit through a locking structure; specifically, the locking structure includes a protrusion 71 and a locking member 72 having a circular ring at a lower portion of the second connecting member 22; the protruding part 71 is a protruding ring protruding from the upper end surface of the lower circular ring of the second connecting piece 22, and the diameter of the protruding part 71 is larger than that of the lower part of the first connecting piece 21, so that when the first connecting piece 21 is inserted into the notch part, the outer wall of the first connecting piece 21 can be contacted with the inner wall of the protruding part 71 or a small gap exists, and the protruding part 71 can be directly welded on or formed together with the second connecting piece 22 in a mould; the fixing member 77 is a bolt, a first screw hole is formed in the protruding portion 71, a second screw hole is formed in the lower portion of the first connecting member 21, and the fixing member 77 is inserted into the first screw hole and the second screw hole, so that the first connecting member 21 and the protruding portion 71 are connected, that is, the first connecting member 21 and the second connecting member 22 are connected; in order to ensure that the first connector and the second connector cannot deviate, the side wall of the protruding portion 211 is in limit fit with the inner wall of the notch 221.
Further, the supporting member 31 is a metal sleeve, but may be a metal rod in other embodiments, and the rod body 32 is inserted into the supporting member 31, and the rod body 32 is a metal rod, so that the supporting member 31 and the rod body 32 form a lifting rod; namely, the supporting piece and the rod body form an air cylinder on the existing runner seat; the outer wall of the lower part of the supporting piece 31 is obliquely arranged from top to bottom, and the supporting piece 31 can be inserted into the inserting cavity; because the lower part of the supporting piece is obliquely arranged, the supporting piece 31 and the inner wall of the plug-in cavity are more and more tightly arranged; after the supporting member 31 is inserted into the inserting cavity, a decoration sleeve 33 is sleeved on the supporting member 31, the decoration sleeve 33 is provided with a plurality of openings 331, and the openings 331 correspond to the first supporting leg and the second supporting leg, so that the decoration sleeve 33 can shield welding points or screws on the first connecting member and the second connecting member.
Example two
As shown in fig. 5 to 9, the present embodiment differs from the first embodiment in that the locking structure in the present embodiment is different from the locking structure in the first embodiment, specifically, the locking structure includes a protrusion 71, a locking member 72, a pushing member 74, and a locking hole 73, wherein the protrusion 71 is the same as the protrusion described in the first embodiment; a mounting groove 710 is formed in the protruding portion 71, the pushing member 74 is disposed in the mounting groove 710, and the pushing member 74 is a spring; the locking piece 72 is partially arranged in the mounting groove 710, the locking piece 72 is a metal ball, and the pushing piece 74 can push the locking piece 72 to move outwards; the locking hole 73 is a circular hole formed at the lower portion of the first connector 21, and the locking member 72 is inserted into the locking hole 73 when the first connector 21 is inserted into the second connector 22, thereby connecting the first connector 21 and the second connector 22.
Example III
As shown in fig. 10-13, the difference between the present embodiment and the first embodiment is that the locking structure disclosed in the present embodiment is different from the first embodiment in that the locking structure includes a locking protrusion 78 provided on an inner wall of the second connecting member 22, the locking protrusion 78 is provided on a lower portion of the second connecting member 22, a locking groove 79 is provided on an outer wall of the first connecting member 21, the locking groove 79 is provided on a lower portion of the first connecting member 21, and when the first connecting member 21 is inserted into the notch 221, the locking protrusion 78 is locked into the locking groove 79.
Example IV
As shown in fig. 14 to 16, the difference between the present embodiment and the first embodiment is that the number of the convex portions 211 in the present embodiment is one, and the number of the notch 221 is also one; the limiting structure includes a limiting protrusion 215 and a limiting groove 225, wherein the limiting protrusion 215 may be a protruding portion, and the limiting groove 225 is a concave portion on the second connecting member 22; the limit projection 215 is inserted into the limit groove 225, thereby limiting the disconnection between the first connector 21 and the second connector 22.
Example five
As shown in fig. 17, the present embodiment also discloses a seat provided with the chair leg of any one of the first, second or third embodiments, which comprises a support frame 4, a chair back 5 and armrests 6, wherein the support frame 4 is a frame wrapped with a sponge cushion, and the support frame 4 is connected with the rod body 32 in the first embodiment; the chair back 5 is connected with the supporting frame 4, and the handrail 6 is a plastic handrail or a metal handrail.
Example six
As shown in fig. 18, this embodiment also discloses a seat provided with the connecting structures and the supporting members in the first, second and third embodiments, which includes a supporting frame 4, the supporting frame 4 is connected with the supporting member 31, and the supporting member 31 is different from the first embodiment in that the supporting member 31 is a solid metal rod, and the first supporting leg 11 and the second supporting leg 12 are both obliquely arranged metal rods.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
Claims (8)
1. The utility model provides a chair foot, includes first supporting legs (11), second supporting legs (12), is used for connecting connection structure of first, second supporting legs, its characterized in that: the connecting structure comprises a first connecting piece (21) connected with at least one first supporting leg (11) and a second connecting piece (22) connected with at least two second supporting legs (12), and the first connecting piece (21) and the second connecting piece (22) are in plug-in fit to form a hollow plug-in cavity (20);
the first connecting piece (21) and the second connecting piece (22) are in anti-falling fit through a locking structure;
the locking structure comprises a protruding part (71), a lock hole (73) arranged on the first connecting piece (21), a locking piece (72) and a pushing piece (74) for pushing the locking piece (72) into the lock hole (73), wherein the pushing piece (74) is arranged on the second connecting piece (22);
the protruding part (71) is a protruding ring protruding out of the upper end face of the lower circular ring of the second connecting piece (22), the diameter of the protruding part (71) is larger than that of the lower part of the first connecting piece (21), the protruding part (71) is provided with a mounting groove (710), the pushing piece (74) is arranged in the mounting groove (710), and the pushing piece (74) is a spring; the locking piece (72) is partially arranged in the mounting groove (710), the locking piece (72) is a metal ball, and the pushing piece (74) can push the locking piece (72) to move outwards; the lock hole (73) is a round hole arranged at the lower part of the first connecting piece (21).
2. A chair leg according to claim 1, wherein: the second connector (22) is provided with a notch (221), and the first connector (21) is provided with a convex part (211) inserted into the notch (221).
3. A chair leg according to claim 1, wherein: the first connecting piece (21) is provided with a first limiting part (213), and the second connecting piece (22) is provided with a second limiting part (223) matched with the first limiting part (213).
4. A chair leg according to claim 2, wherein: the number of the convex parts (211) and the number of the notch parts (221) are at least two.
5. A chair leg according to claim 4, wherein: the first connecting piece (21) is provided with a ring sleeve part (214).
6. A chair leg according to claim 1, wherein: the locking structure comprises a securing member (77).
7. A chair leg according to claim 1, wherein: the plug-in type socket further comprises a support piece (31) which can be inserted into the plug-in cavity (20), and the outer wall of the lower part of the support piece (31) is obliquely arranged from top to bottom.
8. A seat, characterized in that: comprising a chair leg as claimed in any one of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910078360.6A CN109770603B (en) | 2019-01-28 | 2019-01-28 | Chair leg and chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910078360.6A CN109770603B (en) | 2019-01-28 | 2019-01-28 | Chair leg and chair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109770603A CN109770603A (en) | 2019-05-21 |
| CN109770603B true CN109770603B (en) | 2023-10-31 |
Family
ID=66502704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910078360.6A Active CN109770603B (en) | 2019-01-28 | 2019-01-28 | Chair leg and chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109770603B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3530524B1 (en) * | 2003-11-26 | 2004-05-24 | 晶子 川島 | Coupling tool |
| CN102554828A (en) * | 2011-12-28 | 2012-07-11 | 西北工业大学 | Rib assembling and positioning device |
| CN104824996A (en) * | 2015-05-15 | 2015-08-12 | 黄依群 | Folding chair |
| CN206429550U (en) * | 2016-12-05 | 2017-08-22 | 浙江国际海运职业技术学院 | A kind of shaft coupling easy to install |
| CN206792112U (en) * | 2017-01-10 | 2017-12-26 | 大康控股集团有限公司 | A kind of chair leg frame |
| CN108937275A (en) * | 2018-07-10 | 2018-12-07 | 怀宁县君和家居有限公司 | A kind of chair of quick-replaceable chair leg |
| CN209932069U (en) * | 2019-01-28 | 2020-01-14 | 杨勃 | Chair foot and seat |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5648756B2 (en) * | 2012-07-30 | 2015-01-07 | トヨタ自動車株式会社 | Fixture, fixture removal structure, and curtain airbag fixing device |
-
2019
- 2019-01-28 CN CN201910078360.6A patent/CN109770603B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3530524B1 (en) * | 2003-11-26 | 2004-05-24 | 晶子 川島 | Coupling tool |
| CN102554828A (en) * | 2011-12-28 | 2012-07-11 | 西北工业大学 | Rib assembling and positioning device |
| CN104824996A (en) * | 2015-05-15 | 2015-08-12 | 黄依群 | Folding chair |
| CN206429550U (en) * | 2016-12-05 | 2017-08-22 | 浙江国际海运职业技术学院 | A kind of shaft coupling easy to install |
| CN206792112U (en) * | 2017-01-10 | 2017-12-26 | 大康控股集团有限公司 | A kind of chair leg frame |
| CN108937275A (en) * | 2018-07-10 | 2018-12-07 | 怀宁县君和家居有限公司 | A kind of chair of quick-replaceable chair leg |
| CN209932069U (en) * | 2019-01-28 | 2020-01-14 | 杨勃 | Chair foot and seat |
Non-Patent Citations (2)
| Title |
|---|
| 钢管桩支架的设计应用;占小刚等;四川建材(03);全文 * |
| 链板输送机中间槽的连接;关加卿;煤炭技术(第02期);全文 * |
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| Publication number | Publication date |
|---|---|
| CN109770603A (en) | 2019-05-21 |
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