CN112294000A - Telescopic folding seat frame - Google Patents
Telescopic folding seat frame Download PDFInfo
- Publication number
- CN112294000A CN112294000A CN202011194113.1A CN202011194113A CN112294000A CN 112294000 A CN112294000 A CN 112294000A CN 202011194113 A CN202011194113 A CN 202011194113A CN 112294000 A CN112294000 A CN 112294000A
- Authority
- CN
- China
- Prior art keywords
- frame
- connecting rod
- hinged
- telescopic
- folding seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C4/00—Foldable, collapsible or dismountable 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
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- Seats For Vehicles (AREA)
Abstract
The invention relates to the technical field of electric chairs, in particular to a telescopic folding seat frame which comprises a bottom frame, a moving frame, a telescopic frame, a turnover frame and a driving piece, wherein the bottom frame is provided with a plurality of vertical rods; the telescopic folding seat frame also comprises a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod and a curved rod; the turnover frame is hinged with the movable frame; the telescopic folding seat frame also comprises a turnover component; the telescopic frame enables the overturning frame to overturn through the overturning assembly. According to the invention, the first connecting rod, the second connecting rod, the third connecting rod, the fourth connecting rod and the curved rod are arranged, so that the driving piece drives the movable frame and simultaneously drives the telescopic frame to perform telescopic movement, and the telescopic frame drives the turnover frame to turn over by arranging the turnover assembly, so that the movable frame, the telescopic frame and the turnover frame can be simultaneously driven to move by one driving piece, and the cost is greatly saved.
Description
Technical Field
The invention relates to the technical field of electric chairs, in particular to a telescopic folding seat frame.
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 the chair frame and extending legs, and in order to extend the length of the leg extending mechanism, the existing electric sofa chair is provided with the turnover mechanism and two or more telescopic frames on the leg extending mechanism, so that the electric sofa chair can save space when the legs are folded, but the current telescopic frames and the turnover mechanism need to be combined by a plurality of motors or cylinders, and the manufacturing cost is higher.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a telescopic folding seat frame.
The purpose of the invention is realized by the following technical scheme: a telescopic folding seat frame comprises an underframe, a movable frame, a telescopic frame, a turnover frame and a driving piece; the movable frame is movably arranged on the bottom frame; the driving piece is used for driving the movable frame to move on the bottom frame;
the telescopic folding seat frame also comprises a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod and a curved rod; one end of the first connecting rod is hinged with the movable 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 underframe; one end of the third connecting rod is hinged with the telescopic frame; the other end of the third connecting rod is hinged with one end of the curved rod; the other end of the curved bar is hinged with one end of a fourth connecting rod; the other end of the fourth connecting rod is rotatably arranged between the one end of the second connecting rod and the other end of the second connecting rod; the first connecting rod is hinged between the one end and the other end of the first connecting rod and the curved rod between the one end and the other end of the curved rod;
the turnover frame is hinged with the movable frame; the telescopic folding seat frame also comprises a turnover component; the telescopic frame enables the overturning frame to overturn through the overturning assembly.
The invention is further provided that the turnover assembly comprises a connecting shaft arranged on the telescopic frame, a rolling wheel rotatably arranged on the connecting shaft and a fixed block arranged on the turnover frame; the fixed block is provided with a movable groove; the rolling wheel is movably arranged in the movable groove;
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 invention is further provided that the chassis is provided with a first hinge seat; the driving piece is hinged with the first hinge seat;
the movable frame is provided with a second hinge seat; the output end of the driving piece is hinged with the second hinge seat;
the bottom of the underframe is provided with a first connecting plate; the other end of the second connecting rod is hinged with the first connecting plate.
The invention is further provided that both sides of the bottom frame are provided with a first sliding chute and a first sliding block which is used for sliding on the first sliding chute; the first sliding block is connected with two sides of the movable frame;
both sides of the moving frame are provided with channels; the telescopic frame is arranged in the channel in a telescopic penetrating mode.
The invention is further provided that one end of the movable frame is provided with a first connecting bar; a second connecting strip is arranged at one end of the telescopic frame, which is far away from the first connecting strip; the output end of the driving piece is connected with the first connecting strip; the one end of the first connecting rod is hinged with the first connecting strip; the one end of the third connecting rod is hinged with the second connecting strip.
The invention is further arranged that the one end of the moving frame is provided with a second connecting plate; one end of the roll-over stand is hinged with the second connecting plate.
The invention further provides that the telescopic folding seat frame also comprises an extension frame; the extension frame is movably arranged at one end of the turnover frame far away from the movable frame;
a connecting rod assembly is arranged between the turnover frame and the extension frame; and a linkage piece is arranged between the connecting rod assembly and the connecting shaft.
The invention is further arranged that the linkage is a steering linkage; one end of the steering connecting rod is sleeved on the connecting shaft;
the connecting rod assembly comprises a fifth connecting rod and a sixth connecting rod; one end of the fifth connecting rod is hinged with the extension frame; the other end of the fifth connecting rod is hinged with one end of the sixth connecting rod; the other end of the sixth connecting rod is hinged with the roll-over stand; the sixth link is hinged to the other end of the steering link between the one end and the other end thereof.
The invention is further provided that the extension frame is provided with a second chute; the roll-over stand is provided with a second sliding block which is used for sliding on a second sliding groove;
a fixing plate is arranged at one end of the turnover frame, which is far away from the extension frame; the fixed block is arranged on the fixed plate.
The invention is further arranged that the length of the first tank body is greater than the diameter of the second tank body; the diameter of the second groove body is the same as that of the rolling wheel.
The invention has the beneficial effects that: according to the invention, the first connecting rod, the second connecting rod, the third connecting rod, the fourth connecting rod and the curved rod are arranged, so that the driving piece drives the movable frame and simultaneously drives the telescopic frame to perform telescopic movement, and the telescopic frame drives the turnover frame to turn over by arranging the turnover assembly, so that the movable frame, the telescopic frame and the turnover frame can be simultaneously driven to move by one driving piece, and the cost is greatly saved.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived on the basis of the following drawings without inventive effort.
FIG. 1 is a schematic view of the present invention in its expanded configuration;
FIG. 2 is a schematic view of the invention in a retracted configuration;
FIG. 3 is a schematic structural view of the present invention when the movable frame and the telescopic frame are deployed;
FIG. 4 is a schematic view of the movable frame and the telescopic frame of the present invention when they are retracted;
FIG. 5 is a schematic view of the movable frame and the telescopic frame of the present invention from another perspective when they are retracted;
FIG. 6 is a schematic view of the present invention showing the cooperative folding of the roll-over stand and the extension stand;
FIG. 7 is a schematic structural view of the roll-over stand and the extension stand in cooperation with turning over according to the present invention;
FIG. 8 is a schematic structural view of the roll-over stand and the extension stand of the present invention from another perspective when they are turned over;
FIG. 9 is a schematic view of the fixing block and the fixing plate of the present invention;
wherein: 11. a chassis; 111. a first connecting plate; 12. a movable frame; 121. a channel; 13. a telescopic frame; 14. a drive member; 151. a first link; 152. a second link; 153. a third link; 154. a fourth link; 16. a curved bar; 17. a first hinge mount; 172. a second hinge mount; 181. a first chute; 182. a first slider; 191. a first connecting bar; 192. a second connecting strip; 212. a second connecting plate; 22. a roll-over stand; 221. a second slider; 222. a fixing plate; 23. an extension frame; 231. a second chute; 25. a connecting shaft; 251. a rolling wheel; 26. a fixed block; 261. a first tank body; 262. a second tank body; 263. a resisting part; 27. a steering link; 281. a fifth link; 282. and a sixth link.
Detailed Description
The invention is further described with reference to the following examples.
As can be seen from fig. 1 to 9, the telescopic folding seat frame of the present embodiment includes a base frame 11, a moving frame 12, a telescopic frame 13, a roll-over frame 22 and a driving member 14; the moving frame 12 is movably arranged on the bottom frame 11; the driving part 14 is used for driving the moving frame 12 to move on the base frame 11;
the telescopic folding seat frame further comprises a first connecting rod 151, a second connecting rod 152, a third connecting rod 153, a fourth connecting rod 154 and a curved rod 16; one end of the first connecting rod 151 is hinged with the movable frame 12; the other end of the first link 151 is hinged with one end of a second link 152; the other end of the second connecting rod 152 is hinged with the chassis 11; one end of the third connecting rod 153 is hinged with the telescopic frame 13; the other end of the third connecting rod 153 is hinged with one end of the curved bar 16; the other end of the curved bar 16 is hinged with one end of a fourth connecting rod 154; the other end of the fourth link 154 is rotatably disposed between the one end of the second link 152 and the other end of the second link 152; the first link 151 is hinged between the one end and the other end thereof with the curved lever 16 between the one end and the other end thereof;
the roll-over stand 22 is hinged with the movable stand 12; the telescopic folding seat frame also comprises a turnover component; the telescopic frame 13 enables the overturning frame 22 to overturn through the overturning assembly.
Specifically, in the seat frame for telescopic folding according to the embodiment, while the driving element 14 drives the moving frame 12 to perform telescopic movement on the base frame 11, the moving frame 12 can simultaneously drive the telescopic frame 13 to perform telescopic movement through the first connecting rod 151, the second connecting rod 152, the third connecting rod 153, the fourth connecting rod 154 and the curved bar 16, and when the seat frame is actually used, the lengths of the first connecting rod 151, the second connecting rod 152, the third connecting rod 153, the fourth connecting rod 154 and the curved bar 16 can be selected according to the needs of a user, so that different stroke distances are obtained between the first connecting rod 151 and the second connecting rod 152 and between the third connecting rod 153, the fourth connecting rod 154 and the curved bar 16, so that the speeds between the moving frame 12 and the telescopic frame 13 are different, and the moving frame 12 and the telescopic frame 13 can be simultaneously driven to move through one driving element 14, thereby saving the cost;
in addition, in the embodiment, by providing the overturning assembly, the telescopic frame 13 pushes the overturning frame 22 to overturn in the moving process of the telescopic frame 13, so that the movable frame 12, the telescopic frame 13 and the overturning frame 22 can be driven to move simultaneously by one driving element 14, and the cost is greatly saved.
In the telescopic folding seat frame of this embodiment, the tilting assembly includes a connecting shaft 25 disposed on the telescopic frame 13, a rolling wheel 251 rotatably disposed on the connecting shaft 25, and a fixing block 26 disposed on the tilting frame 22; a movable groove is formed in the fixing block 26; the rolling wheel 251 is movably arranged in the movable groove;
the movable trough comprises a first trough body 261 and a second trough body 262; the movable slot is provided with a resisting part 263 between the first slot body 261 and the second slot body 262. In the telescopic folding seat frame of this embodiment, the telescopic folding seat frame further includes an extension frame 23; the extension frame 23 is movably arranged at one end of the turning frame 22 far away from the moving frame 12;
a connecting rod assembly is arranged between the roll-over stand 22 and the extension stand 23; a linkage piece is arranged between the connecting rod assembly and the connecting shaft 25.
Specifically, in the telescopic folding seat frame of this embodiment, the telescopic frame 13 is driven by the driving element 14 to move, in the process that the telescopic frame 13 moves forward, the connecting shaft 25 drives the rolling wheel 251 to move into the second groove 262, then the driving element 14 continues to push the telescopic frame 13, at this time, the rolling wheel 251 rotates in the second groove 262, the resisting portion 263 abuts against the rolling wheel 251, and the roll-over frame 22 is hinged to the moving frame 12, therefore, the roll-over frame 22 is turned over along the hinged portion hinged to the moving frame 12, after the roll-over frame 22 is turned over, the rolling wheel 251 leaves the second groove 262 and the resisting portion 263 and enters the first groove 261, at this time, the connecting shaft 25 moves forward along the first groove 261, and moves forward through the connecting rod assembly and the linking element, so that the roll-over frame 22 turns over and the extension frame 23 extends; in the same way, the principle in the retraction and folding processes is that the process of the embodiment extension is reversed; in the embodiment, by arranging the connecting rod assembly, the linkage, the connecting shaft 25, the rolling wheel 251 and the fixing block 26, the overturning function of the overturning frame 22 and the extending function of the extending frame 23 can be realized by moving the telescopic frame 13, so that the cost is saved; in addition, the length of the leg stretching mechanism can be greatly extended by arranging the roll-over stand 22 and the extension stand 23, and the space can be saved after the leg stretching mechanism is folded.
In the telescopic folding seat frame of this embodiment, the base frame 11 is provided with a first hinge seat 17; the driving piece 14 is hinged with the first hinge seat 17;
the movable frame 12 is provided with a second hinge seat 172; the output end of the driving member 14 is hinged with the second hinge seat 172; particularly, through the arrangement, when the electric massage chair is used, the inclination angle of the electric massage chair can be changed.
The bottom of the underframe 11 is provided with a first connecting plate 111; the other end of the second link 152 is hinged to the first connection plate 111. The structure of the telescopic folding seat frame is more reasonable through the arrangement.
In the telescopic folding seat frame of this embodiment, both sides of the base frame 11 are provided with a first sliding groove 181 and a first sliding block 182 for sliding on the first sliding groove 181; the first sliding block 182 is connected with two sides of the movable frame 12; the movement of the movable frame 12 can be positioned by the above arrangement.
The two sides of the moving frame 12 are both provided with channels 121; the telescopic frame 13 is telescopically arranged in the channel 121. Through the arrangement, the telescopic frame 13 can be positioned and the space can be saved.
In the telescopic folding seat frame of this embodiment, one end of the moving frame 12 is provided with a first connecting bar 191; a second connecting strip 192 is arranged at one end of the telescopic frame 13 far away from the first connecting strip 191; the output end of the driving piece 14 is connected with the first connecting bar 191; the one end of the first link 151 is hinged to a first link 191; the one end of the third link 153 is hinged to the second connecting bar 192. The structure of the telescopic folding seat frame is more stable and reasonable through the arrangement.
In the telescopic folding seat frame of the present embodiment, the driving member 14 may be an air cylinder or an oil cylinder or a linear motor, etc.
In the telescopic folding seat frame of this embodiment, the one end of the moving frame 12 is provided with a second connecting plate 212; one end of the roll-over stand 22 is hinged with a second connecting plate 212. The structure of the telescopic folding seat frame is more reasonable and stable through the arrangement.
In the telescopic folding seat frame of the embodiment, the linkage part is a steering connecting rod 27; one end of the steering connecting rod 27 is sleeved on the connecting shaft 25;
the link assembly includes a fifth link 281 and a sixth link 282; one end of the fifth connecting rod 281 is hinged with the extension frame 23; the other end of the fifth link 281 is hinged with one end of a sixth link 282; the other end of the sixth connecting rod 282 is hinged with the roll-over stand 22; the sixth link 282 is hinged to the other end of the steering link 27 between the one end and the other end thereof.
Specifically, with the above arrangement, after the roll-over stand 22 is turned over, the rolling wheel 251 leaves the second slot 262 and the stop portion 263 and enters the first slot 261, and when the connecting shaft 25 moves forward along the first slot 261, the connecting shaft 25 drives the telescopic frame 13 to move on the roll-over stand 22 through the fifth connecting rod 281, the sixth connecting rod 282 and the steering connecting rod 27, so as to achieve the telescopic function.
In the telescopic folding seat frame of this embodiment, the extension frame 23 is provided with a second sliding chute 231; the roll-over stand 22 is provided with a second sliding block 221 which is used for sliding on a second sliding groove 231; with the above arrangement, the sliding of the extension frame 23 and the roll-over stand 22 can be positioned.
A fixing plate 222 is arranged at one end of the turning frame 22 far away from the extension frame 23; the fixing block 26 is disposed on the fixing plate 222. The structure of the telescopic folding seat frame is more stable and reasonable through the arrangement.
In the telescopic folding seat frame of this embodiment, the length of the first slot 261 is greater than the diameter of the second slot 262; the diameter of the second groove 262 is the same as that of the rolling wheel 251. Through the arrangement, the connecting shaft 25 and the rolling wheel 251 can move in the first groove body 261 conveniently, so that the telescopic frame 13 is driven to extend or retract.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The utility model provides a flexible folding seat frame which characterized in that: comprises a base frame (11), a moving frame (12), a telescopic frame (13), a turnover frame (22) and a driving piece (14); the moving frame (12) is movably arranged on the bottom frame (11); the driving piece (14) is used for driving the moving frame (12) to move on the bottom frame (11);
the telescopic folding seat frame further comprises a first connecting rod (151), a second connecting rod (152), a third connecting rod (153), a fourth connecting rod (154) and a curved rod (16); one end of the first connecting rod (151) is hinged with the moving frame (12); the other end of the first connecting rod (151) is hinged with one end of a second connecting rod (152); the other end of the second connecting rod (152) is hinged with the bottom frame (11); one end of the third connecting rod (153) is hinged with the telescopic frame (13); the other end of the third connecting rod (153) is hinged with one end of the curved rod (16); the other end of the curved rod (16) is hinged with one end of a fourth connecting rod (154); the other end of the fourth connecting rod (154) is rotatably arranged between the one end of the second connecting rod (152) and the other end of the second connecting rod (152); the first connecting rod (151) is hinged between the one end and the other end thereof with a curved lever (16) between the one end and the other end thereof;
the turnover frame (22) is hinged with the moving frame (12); the telescopic folding seat frame also comprises a turnover component; the telescopic frame (13) enables the overturning frame (22) to overturn through the overturning assembly.
2. A telescopic folding seat frame, according to claim 1, characterized in that: the overturning assembly comprises a connecting shaft (25) arranged on the telescopic frame (13), a rolling wheel (251) rotatably arranged on the connecting shaft (25) and a fixed block (26) arranged on the overturning frame (22); a movable groove is arranged on the fixed block (26); the rolling wheel (251) is movably arranged in the movable groove;
the movable trough comprises a first trough body (261) and a second trough body (262); the movable groove is provided with a resisting part (263) between the first groove body (261) and the second groove body (262).
3. A telescopic folding seat frame, according to claim 1, characterized in that: a first hinge seat (17) is arranged on the bottom frame (11); the driving piece (14) is hinged with the first hinge seat (17);
the moving frame (12) is provided with a second hinge seat (172); the output end of the driving piece (14) is hinged with the second hinge seat (172);
the bottom of the bottom frame (11) is provided with a first connecting plate (111); the other end of the second link (152) is hinged to the first link plate (111).
4. A telescopic folding seat frame, according to claim 1, characterized in that: two sides of the bottom frame (11) are respectively provided with a first sliding groove (181) and a first sliding block (182) which is used for sliding on the first sliding groove (181); the first sliding block (182) is connected with two sides of the moving frame (12);
both sides of the moving frame (12) are provided with channels (121); the telescopic frame (13) is telescopically arranged in the channel (121).
5. A telescopic folding seat frame, according to claim 1, characterized in that: one end of the movable frame (12) is provided with a first connecting bar (191); a second connecting strip (192) is arranged at one end, far away from the first connecting strip (191), of the telescopic frame (13); the output end of the driving piece (14) is connected with a first connecting bar (191); the one end of the first connecting rod (151) is hinged with a first connecting strip (191); the one end of the third link (153) is hinged to a second connecting bar (192).
6. A telescopic folding seat frame, according to claim 5, characterized in that: a second connecting plate (212) is arranged at one end of the moving frame (12); one end of the roll-over stand (22) is hinged with a second connecting plate (212).
7. A telescopic folding seat frame, according to claim 2, characterized in that: the telescopic folding seat frame also comprises an extension frame (23); the extension frame (23) is movably arranged at one end of the turnover frame (22) far away from the moving frame (12);
a connecting rod assembly is arranged between the turnover frame (22) and the extension frame (23); and a linkage piece is arranged between the connecting rod assembly and the connecting shaft (25).
8. A telescopic folding seat frame, according to claim 7, characterized in that: the linkage piece is a steering connecting rod (27); one end of the steering connecting rod (27) is sleeved on the connecting shaft (25);
the linkage assembly includes a fifth link (281) and a sixth link (282); one end of the fifth connecting rod (281) is hinged with the extension frame (23); the other end of the fifth connecting rod (281) is hinged with one end of a sixth connecting rod (282); the other end of the sixth connecting rod (282) is hinged with the roll-over stand (22); the sixth link (282) is hinged to the other end of the steering link (27) between the one end and the other end thereof.
9. A telescopic folding seat frame, according to claim 7, characterized in that: the extension frame (23) is provided with a second sliding chute (231); the roll-over stand (22) is provided with a second sliding block (221) which is used for sliding on a second sliding chute (231);
a fixing plate (222) is arranged at one end of the turning frame (22) far away from the extension frame (23); the fixed block (26) is arranged on the fixed plate (222).
10. A telescopic folding seat frame, according to claim 2, characterized in that: the length of the first groove body (261) is larger than the diameter of the second groove body (262); the diameter of the second groove body (262) is the same as that of the rolling wheel (251).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011194113.1A CN112294000A (en) | 2020-10-30 | 2020-10-30 | Telescopic folding seat frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011194113.1A CN112294000A (en) | 2020-10-30 | 2020-10-30 | Telescopic folding seat frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112294000A true CN112294000A (en) | 2021-02-02 |
Family
ID=74333069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011194113.1A Withdrawn CN112294000A (en) | 2020-10-30 | 2020-10-30 | Telescopic folding seat frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112294000A (en) |
-
2020
- 2020-10-30 CN CN202011194113.1A patent/CN112294000A/en not_active Withdrawn
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210202 |