CN212938918U - Turnover folding mechanism - Google Patents
Turnover folding mechanism Download PDFInfo
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- CN212938918U CN212938918U CN202022495174.3U CN202022495174U CN212938918U CN 212938918 U CN212938918 U CN 212938918U CN 202022495174 U CN202022495174 U CN 202022495174U CN 212938918 U CN212938918 U CN 212938918U
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Abstract
The utility model relates to the technical field of electric chairs, in particular to a turnover folding mechanism, which comprises a mounting seat, a turnover frame, a telescopic frame and a driving frame; the roll-over stand is hinged with the mounting seat; a connecting rod assembly is arranged between the turnover frame and the telescopic frame; the telescopic frame is movably arranged on the turnover frame; the driving frame is provided with a connecting shaft; the connecting shaft is rotatably provided with a rolling wheel; a fixed block is arranged on the roll-over stand; the fixed block is provided with a movable groove; the rolling wheel is movably arranged in the movable groove; a linkage piece is arranged between the connecting rod assembly and the connecting shaft; the movable groove comprises a first groove body and a second groove body; the movable groove is provided with a resisting part between the first groove body and the second groove body. The utility model discloses a set up link assembly, linkage piece, connecting axle, roll wheel and fixed block, can remove through the drive frame through externally setting up a driving piece to realize the upset function and the extension function of upset folding mechanism, practice thrift the cost.
Description
Technical Field
The utility model relates to an electric chair technical field, concretely relates to upset folding mechanism.
Background
With the continuous development of science and technology and the improvement of consumption level and living requirement, people have higher and higher requirements on functional furniture products, such as chairs, which are expected to meet the most basic sitting and standing requirements, so that electric chairs are more and more introduced into daily life. The existing electric sofa chair generally has the functions of lifting a chair frame and stretching legs, and in order to lengthen the length of a leg stretching mechanism, the existing electric sofa chair is provided with a turnover mechanism through the leg stretching mechanism, so that the electric sofa chair can save space when the legs are folded, but the turnover mechanism needs to be combined by a plurality of motors or cylinders at present, and the manufacturing cost is higher.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a upset folding mechanism to the above-mentioned not enough among the prior art.
The purpose of the utility model is realized through the following technical scheme: a turnover folding mechanism comprises a mounting seat, a turnover frame, a telescopic frame and a driving frame; the roll-over stand is hinged with the mounting seat; a connecting rod assembly is arranged between the turnover frame and the telescopic frame; the telescopic frame is movably arranged on the turnover frame; the driving frame is provided with a connecting shaft; the connecting shaft is rotatably provided with a rolling wheel; a fixed block is arranged on the roll-over stand; the fixed block is provided with a movable groove; the rolling wheel is movably arranged in the movable groove; a linkage piece is arranged between the connecting rod assembly and the connecting shaft;
the movable groove comprises a first groove body and a second groove body; the movable groove is provided with a resisting part between the first groove body and the second groove body.
The utility model is further arranged that the linkage part is a steering connecting rod; one end of the steering connecting rod is sleeved on the connecting shaft; the other end of the steering connecting rod is hinged with the connecting rod component.
The utility model is further arranged in that the connecting rod component comprises a first connecting rod and a second connecting rod; one end of the first connecting rod is hinged with the telescopic frame; the other end of the first connecting rod is hinged with one end of the second connecting rod; the other end of the second connecting rod is hinged with the roll-over stand; the second link is hinged to the other end of the steering link between the one end and the other end thereof.
The utility model is further provided with a chute arranged on the telescopic frame; the roll-over stand is provided with a sliding block used for sliding on the sliding groove.
The utility model is further arranged that both sides of the mounting seat are provided with channels; the two sides of the driving frame are movably arranged in the channel.
The utility model is further arranged that the mounting seat is provided with a connecting plate; and one end of the roll-over stand, which is far away from the telescopic frame, is hinged with the connecting plate.
The utility model is further arranged in that one end of the roll-over stand, which is far away from the expansion bracket, is provided with a fixed plate; the fixed block is arranged on the fixed plate.
The utility model is further arranged that the length of the first groove body is larger than the diameter of the second groove body; the diameter of the second groove body is the same as that of the rolling wheel.
The utility model has the advantages that: the utility model discloses a set up link assembly, linkage piece, connecting axle, roll wheel and fixed block, can remove through the drive frame through externally setting up a driving piece to realize the upset function and the extension function of upset folding mechanism, practice thrift the cost.
Drawings
The invention is further described with the aid of the accompanying drawings, in which, however, the embodiments do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived from the following drawings without inventive effort.
FIG. 1 is a schematic view of the folding and retracting structure of the present invention;
fig. 2 is a schematic structural view when the utility model is turned over and extended;
fig. 3 is a schematic structural view of the utility model at another viewing angle when the utility model is turned over and extended;
fig. 4 is a schematic structural view of the fixing block and the fixing plate of the present invention;
wherein: 1. a mounting seat; 11. a channel; 12. a connecting plate; 2. a roll-over stand; 21. a slider; 22. a fixing plate; 3. a telescopic frame; 31. a chute; 4. a driving frame; 5. a connecting shaft; 51. a rolling wheel; 6. a fixed block; 61. a first tank body; 62. a second tank body; 63. a resisting part; 7. a steering link; 81. a first link; 82. a second link.
Detailed Description
The invention will be further described with reference to the following examples.
As can be seen from fig. 1 to 4, the folding mechanism of the present embodiment includes a mounting base 1, a roll-over stand 2, a telescopic stand 3 and a driving stand 4; the roll-over stand 2 is hinged with the mounting seat 1; a connecting rod assembly is arranged between the roll-over stand 2 and the telescopic frame 3; the telescopic frame 3 is movably arranged on the roll-over frame 2; the driving frame 4 is provided with a connecting shaft 5; a rolling wheel 51 is rotatably arranged on the connecting shaft 5; a fixed block 6 is arranged on the roll-over stand 2; a movable groove is arranged on the fixed block 6; the rolling wheel 51 is movably arranged in the movable groove; a linkage piece is arranged between the connecting rod assembly and the connecting shaft 5;
the movable groove comprises a first groove body 61 and a second groove body 62; the movable groove is provided with a resisting part 63 between the first groove body 61 and the second groove body 62.
Specifically, in the turning and folding mechanism according to this embodiment, the driving frame 4 is driven by the external driving member to move, as shown in fig. 1, in the process that the driving frame 4 moves forward, the connecting shaft 5 drives the rolling wheel 51 to move into the second groove 62, then the external driving member continues to push the driving frame 4, at this time, the rolling wheel 51 rotates in the second groove 62, the abutting portion 63 abuts against the rolling wheel 51, and the roll-over frame 2 is hinged to the mounting base 1, so that the roll-over frame 2 turns over along the hinge portion hinged to the mounting base 1, after the roll-over frame 2 turns over, the rolling wheel 51 leaves the second groove 62 and the abutting portion 63 and enters the first groove 61, at this time, the connecting shaft 5 moves forward along the first groove 61, and moves forward through the connecting rod assembly and the linking member, thereby forming the state shown in fig. 2; similarly, the principle during retraction is the reverse of the extension process of this embodiment; in the embodiment, the connecting rod assembly, the linkage, the connecting shaft 5, the rolling wheel 51 and the fixing block 6 are arranged, and the driving piece is arranged outside, so that the driving frame 4 can be driven to move, the overturning function and the extending function of the overturning and folding mechanism are realized, and the cost is saved.
In the turnover folding mechanism of this embodiment, the linkage is a steering link 7; one end of the steering connecting rod 7 is sleeved on the connecting shaft 5; the other end of the steering connecting rod 7 is hinged with the connecting rod component. In the turnover folding mechanism of the present embodiment, the connecting rod assembly includes a first connecting rod 81 and a second connecting rod 82; one end of the first connecting rod 81 is hinged with the telescopic frame 3; the other end of the first connecting rod 81 is hinged with one end of a second connecting rod 82; the other end of the second connecting rod 82 is hinged with the roll-over stand 2; the second link 82 is hinged to the other end of the steering link 7 between the one end and the other end thereof.
Specifically, through the above arrangement, after the roll-over stand 2 is turned over, the rolling wheels 51 leave the second groove 62 and the stopping portion 63 and then enter the first groove 61, and when the connecting shaft 5 moves forward along the first groove 61, the connecting shaft 5 drives the telescopic frame 3 to move on the roll-over stand 2 through the first connecting rod 81, the second connecting rod 82 and the steering connecting rod 7, so as to achieve the telescopic function.
In the turnover folding mechanism of this embodiment, the telescopic frame 3 is provided with a chute 31; the roll-over stand 2 is provided with a slide 21 for sliding on a chute 31. Through the arrangement, the telescopic frame 3 and the roll-over frame 2 can be positioned in a sliding manner.
In the turnover folding mechanism of this embodiment, the two sides of the mounting base 1 are both provided with the channels 11; two sides of the driving frame 4 are movably arranged in the channel 11. Through the arrangement, the driving frame 4 can be positioned, and the structure of the electric chair is more reasonable and stable.
In the turnover folding mechanism of this embodiment, the mounting base 1 is provided with a connecting plate 12; and one end of the roll-over stand 2, which is far away from the telescopic frame 3, is hinged with the connecting plate 12. The structure of the electric chair is more reasonable and stable through the arrangement.
In the turnover folding mechanism of this embodiment, a fixing plate 22 is disposed at one end of the turnover frame 2 away from the telescopic frame 3; the fixing block 6 is disposed on the fixing plate 22. The structure of the electric chair is more reasonable and stable through the arrangement.
In the turnover folding mechanism of this embodiment, the length of the first slot 61 is greater than the diameter of the second slot 62; the diameter of the second groove 62 is the same as that of the rolling wheel 51. Through the arrangement, the connecting shaft 5 and the rolling wheel 51 can move in the first groove body 61 conveniently, so that the telescopic frame 3 is driven to extend or retract.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. The utility model provides a upset folding mechanism which characterized in that: comprises a mounting seat (1), a roll-over stand (2), a telescopic frame (3) and a driving frame (4); the roll-over stand (2) is hinged with the mounting seat (1); a connecting rod assembly is arranged between the turnover frame (2) and the telescopic frame (3); the telescopic frame (3) is movably arranged on the turnover frame (2); a connecting shaft (5) is arranged on the driving frame (4); a rolling wheel (51) is rotatably arranged on the connecting shaft (5); a fixed block (6) is arranged on the roll-over stand (2); a movable groove is arranged on the fixed block (6); the rolling wheel (51) is movably arranged in the movable groove; a linkage piece is arranged between the connecting rod assembly and the connecting shaft (5);
the movable groove comprises a first groove body (61) and a second groove body (62); the movable groove is provided with a resisting part (63) between the first groove body (61) and the second groove body (62).
2. A flip-fold mechanism as claimed in claim 1, wherein: the linkage piece is a steering connecting rod (7); one end of the steering connecting rod (7) is sleeved on the connecting shaft (5); the other end of the steering connecting rod (7) is hinged with the connecting rod component.
3. A flip-fold mechanism as claimed in claim 2, wherein: the connecting rod assembly comprises a first connecting rod (81) and a second connecting rod (82); one end of the first connecting rod (81) is hinged with the telescopic frame (3); the other end of the first connecting rod (81) is hinged with one end of a second connecting rod (82); the other end of the second connecting rod (82) is hinged with the roll-over stand (2); the second link (82) is hinged to the other end of the steering link (7) between the one end and the other end thereof.
4. A flip-fold mechanism as claimed in claim 1, wherein: the telescopic frame (3) is provided with a sliding chute (31); the roll-over stand (2) is provided with a slide block (21) which is used for sliding on the sliding chute (31).
5. A flip-fold mechanism as claimed in claim 1, wherein: both sides of the mounting seat (1) are provided with channels (11); the two sides of the driving frame (4) are movably arranged in the channel (11).
6. A flip-fold mechanism as claimed in claim 1, wherein: the mounting seat (1) is provided with a connecting plate (12); one end of the roll-over stand (2) far away from the telescopic frame (3) is hinged with the connecting plate (12).
7. A flip-fold mechanism as claimed in claim 1, wherein: a fixing plate (22) is arranged at one end of the roll-over stand (2) far away from the telescopic frame (3); the fixed block (6) is arranged on the fixed plate (22).
8. A flip-fold mechanism as claimed in claim 1, wherein: the length of the first groove body (61) is larger than the diameter of the second groove body (62); the diameter of the second groove body (62) is the same as that of the rolling wheel (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022495174.3U CN212938918U (en) | 2020-10-30 | 2020-10-30 | Turnover folding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022495174.3U CN212938918U (en) | 2020-10-30 | 2020-10-30 | Turnover folding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212938918U true CN212938918U (en) | 2021-04-13 |
Family
ID=75372699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022495174.3U Active CN212938918U (en) | 2020-10-30 | 2020-10-30 | Turnover folding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212938918U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024040715A1 (en) * | 2022-08-25 | 2024-02-29 | 乐歌人体工学科技股份有限公司 | Power-assisted back-push bedstead and electric bed |
-
2020
- 2020-10-30 CN CN202022495174.3U patent/CN212938918U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024040715A1 (en) * | 2022-08-25 | 2024-02-29 | 乐歌人体工学科技股份有限公司 | Power-assisted back-push bedstead and electric bed |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230221 Address after: 511300 North side of Shisan Road, Shangtang Village, Shitan Town, Zengcheng District, Guangzhou City, Guangdong Province (plant B2) 103 Patentee after: Guangdong Jieke Smart Home Co.,Ltd. Address before: 523000 No.8, Wangyuan Road, Yanwu village, Dalingshan Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN JACKWELL HARDWARE Co.,Ltd. |