CN213605375U - Telescopic structure and telescopic stool with same - Google Patents
Telescopic structure and telescopic stool with same Download PDFInfo
- Publication number
- CN213605375U CN213605375U CN202022080455.2U CN202022080455U CN213605375U CN 213605375 U CN213605375 U CN 213605375U CN 202022080455 U CN202022080455 U CN 202022080455U CN 213605375 U CN213605375 U CN 213605375U
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- China
- Prior art keywords
- connecting piece
- limiting
- telescopic
- telescopic structure
- adjacent
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/20—Chairs or stools with vertically-adjustable seats
- A47C3/40—Telescopic guides
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/20—Chairs or stools with vertically-adjustable seats
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C9/00—Stools for specified purposes
Abstract
The utility model discloses a telescopic structure and a telescopic stool with the telescopic structure, which comprises a plurality of connecting pieces connected end to end, wherein two adjacent connecting pieces can move relatively, and the connecting pieces are provided with fixing mechanisms for keeping the connecting pieces in an unfolded state; after the connecting pieces are unfolded, the unfolded connecting pieces are fixed by the fixing mechanism, so that the connecting pieces are in an unfolded state, a good supporting effect is provided for the unfolded connecting pieces, and the use reliability of the telescopic structure is ensured.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, especially, relate to an extending structure and have this extending structure's flexible bench.
Background
The stool is used as leisure furniture commonly used in life of people, and is widely applied to various occasions, such as furniture bedrooms, offices, laboratories, outdoor places and the like. The prior known stool has fixed overall dimension, large size, inconvenience in carrying for outdoor sports and lack of flexibility, so that a telescopic stool appears. The telescopic structure in the telescopic stool is of great importance to the telescopic stool, the telescopic stool needs to have reliable supporting force to support the telescopic stool after being stretched, although the telescopic function can be realized to the telescopic structure in the prior art, the supporting effect of the telescopic structure is required to be improved, and the bearing capacity of the telescopic stool is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides an overcome the not enough of prior art, provide an extending structure and have this extending structure's flexible bench.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a telescopic structure comprises a plurality of connecting pieces which are connected end to end, wherein two adjacent connecting pieces can move relatively, and a fixing mechanism for keeping the connecting pieces in an unfolded state is arranged on each connecting piece; after the connecting pieces are unfolded, the unfolded connecting pieces are fixed by the fixing mechanism, so that the connecting pieces are in an unfolded state, a good supporting effect is provided for the unfolded connecting pieces, and the use reliability of the telescopic structure is ensured.
Further, the fixing mechanism comprises a first limiting structure for providing axial limiting for the connecting piece; after a plurality of connecting pieces expand, utilize first limit structure to provide limiting displacement to the axial of connecting piece, for the connecting piece after expanding provides the holding power, effectually fix the connecting piece on the assigned position, make a plurality of connecting pieces mutually support and provide stable holding power, guarantee the reliability that extending structure used.
Furthermore, the first limiting structure comprises a third convex edge arranged on the connecting piece and a second convex block matched with the third convex edge on the adjacent connecting piece; after the telescopic structure is unfolded, the second convex block on the connecting piece is positioned on the third convex edge on the adjacent connecting piece, and the third convex edge is utilized to provide supporting force for the connecting piece, so that the telescopic structure is kept in an unfolded state, and the use reliability of the telescopic structure is improved; utilize adjacent connecting piece to provide holding power for last connecting piece, make whole extending structure more compact, increase extending structure's structural strength, make extending structure more firm when using.
Furthermore, the fixing mechanism further comprises a second limiting structure for providing circumferential limiting for the connecting piece; after a plurality of connecting pieces expand, utilize second limit structure to provide limiting displacement to the circumference of connecting piece, make the connecting piece unable rotation to guarantee that the Duer lug is in on the protruding edge of third, effectually fix the connecting piece on the assigned position, make a plurality of connecting pieces mutually support and provide stable supporting power, guarantee the reliability that extending structure used.
Furthermore, the second limiting structure comprises a first inclined surface arranged on the third convex edge and a second inclined surface arranged on the second convex block, and the first inclined surface is matched with the second inclined surface on the adjacent connecting piece; after the connecting structure is unfolded, the second bump is positioned at the top of the third convex edge, the second inclined plane is arranged on the first inclined plane, the gravity center position of the second bump is arranged at the bottom end of the first inclined plane under the mutual matching of the first inclined plane and the second inclined plane, the second bump is prevented from being separated from the third convex edge, and the connecting effect of the second bump and the third convex edge is improved.
Furthermore, the second limiting structure further comprises a third connecting part arranged on the second bump and a first bump matched with the third connecting part on the adjacent connecting piece; the first convex block is matched with the third convex edge to provide a limiting effect for the second convex block, the matching effect of the second convex block and the third convex edge is further improved, the second convex block is prevented from being separated from the third convex edge, and the limiting effect of the third convex edge on the second convex block is improved.
Furthermore, the fixing mechanism further comprises a third limiting structure for providing radial limiting for the connecting piece; third limit structure and first limit structure and second limit structure mutually support, provide limiting displacement for the connecting piece from a plurality of directions, guarantee connecting piece complex stability, the dislocation collapses when avoiding the connecting piece to use, promotes the stability that extending structure used.
Furthermore, the third limiting structure comprises a third bump arranged on the connecting piece and a coaming matched with the third bump on the adjacent connecting piece; after the connecting piece is unfolded, the third convex block is positioned at the top of the third convex edge, and the depth of the third convex edge is increased by utilizing the enclosing plate, so that the convex block is not easy to be separated from the third convex edge, and the second convex block is fixed; under the effect of bounding wall, play limiting displacement to the second lug from a plurality of angles, the second lug can only be in on the protruding edge of third, and the stability that extending structure expandes is promoted to the cooperation effect on the protruding edge of promotion second lug and point of great degree.
Furthermore, a first active area for the adjacent connecting piece to move is arranged on the connecting piece; the first movable area provides a reserved space for the movement of the connecting piece, so that the connecting piece has a sufficient movable range, and the telescopic operation of the telescopic structure is realized.
A telescopic stool comprises a stool surface and a base, wherein the stool surface is connected with the base through a telescopic structure.
The utility model has the advantages of it is following: after the connecting pieces are unfolded, the unfolded connecting pieces are fixed by the fixing mechanism, so that the connecting pieces are in an unfolded state, a good supporting effect is provided for the unfolded connecting pieces, and the use reliability of the telescopic structure is ensured.
Drawings
Fig. 1 is a schematic structural view of a connecting member in embodiment 1 of the present invention.
Fig. 2 is an enlarged view of fig. 1 at F.
Fig. 3 is an enlarged view of fig. 1 at G.
Fig. 4 is a schematic view of the two connectors of embodiment 1 of the present invention when they are retracted.
Fig. 5 is an enlarged view of fig. 4 at H.
Fig. 6 is a schematic view of the two connecting members according to embodiment 1 of the present invention when they are unfolded.
Fig. 7 is an enlarged view at I in fig. 6.
Fig. 8 is a schematic structural view of a connecting member in embodiment 2 of the present invention.
Fig. 9 is an enlarged view of a portion a in fig. 8.
Fig. 10 is a sectional view of a connector according to embodiment 2 of the present invention.
Fig. 11 is an enlarged view of fig. 10 at B.
Fig. 12 is an enlarged view of fig. 10 at C.
Fig. 13 is a schematic view of the two connectors of embodiment 2 of the present invention when they are retracted.
Fig. 14 is an enlarged view of fig. 13 at D.
Fig. 15 is a schematic view of the two connecting members according to embodiment 2 of the present invention when they are unfolded.
Fig. 16 is an enlarged view at E in fig. 15.
Fig. 17 is a schematic structural view of the telescopic stool of the present invention.
Detailed Description
Example 1:
as shown in fig. 1 to 7, a telescopic structure includes a plurality of connectors 3 connected end to end, the connectors are arranged in a circular ring structure, the diameters of the connectors are sequentially increased from top to bottom, two adjacent connectors 3 can move relatively, a first active area 370 for the adjacent connectors to move is arranged on the connector, and a fixing mechanism for keeping the connectors 3 in an unfolded state is arranged on the connector 3; the first active area is an area between a first convex edge 320 and a second convex edge 330 formed on the inner wall of the connecting ring, the fixing mechanism comprises a first limiting structure for providing axial limiting for the connecting piece 3 and a second limiting structure for providing circumferential limiting for the connecting piece 3, the first limiting mechanism comprises a third convex edge 35 arranged on the side wall of the second convex edge and a second convex block 39 matched with the third convex edge on the adjacent connecting piece 3, when the second convex block 39 is positioned above the third convex edge 35 on the adjacent connecting piece and the two are mutually contacted, the third convex edge can provide an upward supporting force for the second convex block to avoid the previous connecting piece from shrinking into the next connecting piece, namely the adjacent two connecting pieces are kept in a relatively unfolded state, a second active area 32 is arranged above the third convex edge, and the first active area and the second active area are mutually vertically arranged and communicated, the second bump can move in the first active area and the second active area, and the telescopic structure can be conveniently switched between the unfolding state and the folding state.
Further, the second limiting structure comprises a first inclined surface 352 arranged on the third convex edge 35 and a second inclined surface 392 arranged on the second bump 29, wherein the first inclined surface is inclined from top to bottom, one side close to the first active area is higher, and the other side far away from the first active area is lower; the first inclined plane is matched with the second inclined plane on the adjacent connecting piece 3, so that when the first inclined plane and the second inclined plane are abutted by external force, downward external force can provide a force in the circumferential direction to the connecting piece under the most action of the two inclined planes, the force enables the second lug on the connecting piece to have the trend of being far away from the first movable area, then the adjacent two connecting pieces can be kept in the unfolding state and cannot be accidentally contracted due to twisting, the second limiting structure further comprises a third connecting part 393 arranged on the second lug and a first lug 353 matched with the third connecting part on the adjacent connecting piece 3, and through the matching between the first lug and the third connecting part on the adjacent connecting piece, even if the connecting piece rotates due to the action of the circumferential force, the second lug is enabled to approach the first movable area, the third connecting part 393 on the second lug can be blocked by the first lug 353, the two adjacent connecting pieces can be further ensured to be stably kept in an unfolded state, and the use is safer and more stable; in other embodiments, the third connecting portion 393 may not be provided, and the circumferential limiting may be achieved only by the engagement between the end of the second protrusion 39 and the first protrusion 353.
The second lug on the previous connecting piece is embedded in the first active area on the next connecting piece, so that the connecting pieces are connected end to form matching; when the telescopic stool is contracted, the second convex block of the previous connecting piece is positioned in the first movable area of the next connecting piece, the stool surface is directly pulled upwards, the stool surface is rotated after the second convex block moves to the top of the first movable area, the stool surface drives the connecting piece to rotate, the second convex block enters one end of the second movable area along with the rotation of the connecting piece, the stool surface is pressed downwards, the bottom of the second convex block is positioned on the third convex edge, the gravity center position of the second convex block is positioned at the bottom end of the third inclined plane under the mutual matching of the third inclined plane and the third convex edge, the second convex block is prevented from being separated from the third convex edge, and the connecting effect of the second convex block and the second movable area is improved; the first lug blocks the second lug, so that a user is prevented from sitting on the stool surface and twisting the stool surface to drive the stool surface to rotate to push the second lug out of the third convex edge, the use reliability of the telescopic stool is effectively ensured, and the telescopic stool is prevented from being retracted when being used; when needs will stretch out and draw back the bench, up pulling bench face, bench face drives the connecting piece and up moves, makes the connecting piece that is in the top deviate from in the protruding edge of third on the connecting piece of bottom, rotates bench face, can be convenient shift over to the second lug to first active area in, down promotes bench face, and bench face promotes the connecting piece and down moves, directly presses bench face on the base to pack up flexible bench.
The side wall of the connecting piece is provided with a limiting piece which is a long strip-shaped structure 350, the connecting piece is further provided with a fourth convex edge 3100 matched with the limiting piece, the fourth convex edge is arranged on the inner wall of the connecting piece, and the limiting piece is transversely arranged to increase the contact area between the limiting piece and the fourth convex edge; when the second lug is opposite to the first movable area, the second groove is opposite to the limiting part, after the second lug moves to the bottom of the first movable area, the limiting part moves to the bottom of the second groove, the connecting piece is prevented from falling off from the connected connecting piece when moving downwards under the action of the limiting part, and the reliability of connection between the connecting pieces is ensured.
The connecting piece is provided with a second connecting part 340 and a third movable area 390 for guiding the second connecting part, the second connecting part is of an M-shaped structure, the width of the third movable area is larger than that of the second connecting part, and the second connecting part can move in the circumferential direction in the third movable area, so that the second connecting part is prevented from blocking the rotation of the connecting piece; the second connecting portion width is greater than first active area width, makes the second connecting portion can't pack into in the first active area to only rotate when the second connecting portion when the assembly to third active area position department after, make the second lug aim at first active area position again and just can accomplish the connection between the connecting piece, realize the blind joint between the connecting piece, reduce the connection degree of difficulty between the connecting piece, improve assembly efficiency, then improve production efficiency.
As shown in fig. 17, the utility model also comprises a telescopic stool, which comprises a stool surface, a base and the telescopic structure, wherein the stool surface is connected with the base through the telescopic structure.
Example 2:
as shown in fig. 8 to 16, the present embodiment is different from embodiment 1 in that: the fixing mechanism further comprises a third limiting structure for providing radial limiting for the connecting piece 3, the third limiting structure comprises a third bump 391 arranged on the connecting piece and a surrounding plate 351 matched with the third bump on the adjacent connecting piece, the third bump is arranged at the bottom of the second bump 39 and formed by extending at least part of the surface of the outer edge of the second bump downwards, the surrounding plate is arranged on the third convex edge 35 and formed by extending at least part of the surface of the third convex edge close to one side of the center of the connecting ring upwards, the surrounding plate, the inner wall of the connecting piece and the first bump 353 are mutually matched to form a groove structure on the third convex edge, the third bump can be just embedded into the groove structure, so that when the telescopic structure is in an unfolded state, the third bump is just embedded into the groove structure on the adjacent connecting piece, and the connecting piece can not be radially deformed, therefore, the two adjacent connecting pieces are stably kept in the unfolding state, and the structure is more stable and safe.
The third lug on the previous connecting piece is embedded in the first active area on the next connecting piece, so that the connecting pieces are connected end to form matching; when the telescopic stool is contracted, the second convex block of the previous connecting piece is positioned in the first movable area of the next connecting piece, the stool surface is directly pulled upwards, the stool surface is rotated after the second convex block moves to the top of the first movable area, the stool surface drives the connecting piece to rotate, the second convex block enters one end of the second movable area along with the rotation of the connecting piece, the stool surface is pressed downwards, the bottom of the third convex block is embedded into the third convex edge, and the second convex block is connected into the second movable area; the coaming has a blocking effect on the third bump, so that a user is prevented from sitting on the stool surface to twist to drive the stool surface to rotate to push the third bump out of the third convex edge, and meanwhile, under the arrangement of the coaming, the third bump is blocked from multiple surfaces, so that the third bump is prevented from moving out of the side wall of the third convex edge after the connecting piece is deformed, the use reliability of the telescopic stool is effectively ensured, and the telescopic stool is prevented from being retracted when in use; when needs will stretch out and draw back the bench, up pulling bench face, bench face drives the connecting piece and up moves, makes the connecting piece that is in the top deviate from in the protruding edge of third on the connecting piece of bottom, rotates bench face, can be convenient shift over to the second lug to first active area in, down promotes bench face, and bench face promotes the connecting piece and down moves, directly presses bench face on the base to pack up flexible bench.
The side wall of the connecting piece is provided with a limiting piece 360, the limiting piece is of a trapezoidal structure, the connecting piece is also provided with a second groove 380 matched with the limiting piece, the second groove is formed in the inner wall of the connecting piece, the limiting piece is longitudinally arranged, so that the thickness of the limiting piece in the stress direction is increased, the supporting effect of the limiting piece on the connecting piece is improved, the connecting effect between the two connecting pieces is increased, and the connecting piece at the top is prevented from being separated from the connecting piece at the bottom when the telescopic stool is folded; when the second lug is opposite to the first movable area, the second groove is opposite to the limiting part, after the second lug moves to the bottom of the first movable area, the limiting part moves to the bottom of the second groove, the connecting piece is prevented from falling off from the connected connecting piece when moving downwards under the action of the limiting part, and the reliability of connection between the connecting pieces is ensured.
It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Claims (10)
1. The utility model provides a telescopic structure, includes a plurality of end to end's connecting piece (3), adjacent two connecting piece (3) relative movement, its characterized in that: the connecting pieces (3) are provided with fixing mechanisms for keeping the connecting pieces (3) in the unfolded state.
2. A telescopic structure according to claim 1, characterized in that: the fixing mechanism comprises a first limiting structure used for providing axial limiting for the connecting piece (3).
3. A telescopic structure according to claim 2, characterized in that: the first limiting structure comprises a third convex edge (35) arranged on the connecting piece (3) and a second convex block (39) matched with the adjacent third convex edge (35) on the connecting piece (3).
4. A telescopic structure according to claim 3, wherein: the fixing mechanism further comprises a second limiting structure used for providing circumferential limiting for the connecting piece (3).
5. A telescopic structure according to claim 4, wherein: the second limiting structure comprises a first inclined surface (352) arranged on the third convex edge (35) and a second inclined surface arranged on the second convex block, and the first inclined surface (352) is matched with the second inclined surface (392) on the adjacent connecting piece (3).
6. A telescopic structure according to claim 5, wherein: the second limiting structure further comprises a third connecting part (393) arranged on the second convex block (39) and a first convex block (353) matched with the adjacent third connecting part (393) on the connecting piece (3).
7. A telescopic structure according to any of claims 1-6, characterized in that: the fixing mechanism further comprises a third limiting structure for providing radial limiting for the connecting piece (3).
8. A telescopic structure according to claim 7, wherein: the third limiting structure comprises a third lug (391) arranged on the connecting piece (3) and a surrounding plate (351) matched with the adjacent third lug (391) on the connecting piece (3).
9. A telescopic structure according to claim 1, characterized in that: the connecting piece (3) is provided with a first active area (370) for the adjacent connecting piece (3) to move.
10. The utility model provides a flexible bench, includes bench face (1) and base (2), its characterized in that: the stool surface (1) and the base (2) are connected by a telescopic structure as claimed in claims 1-9.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2021/079353 WO2022057217A1 (en) | 2020-09-21 | 2021-03-05 | Retractable structure and retractable stool having same |
| US17/316,745 US11844435B2 (en) | 2020-09-21 | 2021-05-11 | Telescopic structure and telescopic stool comprising the same |
| JP2021098406A JP7055309B2 (en) | 2020-08-21 | 2021-06-14 | Telescopic structure and telescopic stool with this telescopic structure |
| KR2020210002033U KR200497822Y1 (en) | 2020-08-21 | 2021-06-25 | Telescopic structure and telescopic stool comprising the same |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021770987 | 2020-08-21 | ||
| CN2020217709872 | 2020-08-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213605375U true CN213605375U (en) | 2021-07-06 |
Family
ID=76652711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022080455.2U Active CN213605375U (en) | 2020-08-21 | 2020-09-21 | Telescopic structure and telescopic stool with same |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP7055309B2 (en) |
| KR (1) | KR200497822Y1 (en) |
| CN (1) | CN213605375U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111990812A (en) * | 2020-08-21 | 2020-11-27 | 宁波腾浩电子有限公司 | Telescopic stool with firm structure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2535597Y (en) * | 2002-04-17 | 2003-02-12 | 廖元平 | Telescopic supporting device |
| JP3461347B1 (en) * | 2002-07-31 | 2003-10-27 | 又吉 高橋 | Bath chair |
| WO2017175242A1 (en) * | 2016-04-07 | 2017-10-12 | Varghese Akhil | A portable seating arrangement |
| GB2583600B (en) * | 2018-05-13 | 2022-07-06 | Zaifman Yosef | Foldable chair and foldable table |
| CN210383292U (en) * | 2018-10-26 | 2020-04-24 | 宁波腾浩电子有限公司 | Portable telescopic stool |
-
2020
- 2020-09-21 CN CN202022080455.2U patent/CN213605375U/en active Active
-
2021
- 2021-06-14 JP JP2021098406A patent/JP7055309B2/en active Active
- 2021-06-25 KR KR2020210002033U patent/KR200497822Y1/en active IP Right Grant
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111990812A (en) * | 2020-08-21 | 2020-11-27 | 宁波腾浩电子有限公司 | Telescopic stool with firm structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JP7055309B2 (en) | 2022-04-18 |
| KR200497822Y1 (en) | 2024-03-06 |
| KR20220000732U (en) | 2022-03-29 |
| JP2022051670A (en) | 2022-04-01 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 315613 No. 69, Tangxia, Xiangshi village, Xidian Town, Ninghai County, Ningbo City, Zhejiang Province (self declaration) Patentee after: Ningbo tenghao Electronic Co.,Ltd. Address before: 315600 Xiangshi village, Xidian Town, Ninghai County, Ningbo City, Zhejiang Province Patentee before: Ningbo tenghao Electronic Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 69, Tangxia, Xiangshi Village, Xidian Town, Ninghai County, Ningbo City, Zhejiang Province, 315000 Patentee after: Ningbo Tenghao Outdoor Products Co.,Ltd. Address before: 315613 No. 69, Tangxia, Xiangshi village, Xidian Town, Ninghai County, Ningbo City, Zhejiang Province (self declaration) Patentee before: Ningbo tenghao Electronic Co.,Ltd. |