CN112273912A - Electric folding seat frame - Google Patents

Electric folding seat frame Download PDF

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Publication number
CN112273912A
CN112273912A CN202011198155.2A CN202011198155A CN112273912A CN 112273912 A CN112273912 A CN 112273912A CN 202011198155 A CN202011198155 A CN 202011198155A CN 112273912 A CN112273912 A CN 112273912A
Authority
CN
China
Prior art keywords
frame
hinged
connecting rod
adjusting mechanism
rod
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.)
Withdrawn
Application number
CN202011198155.2A
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Chinese (zh)
Inventor
马坚辉
丁先平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Jackwell Hardware Co Ltd
Original Assignee
Dongguan Jackwell Hardware Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dongguan Jackwell Hardware Co Ltd filed Critical Dongguan Jackwell Hardware Co Ltd
Priority to CN202011198155.2A priority Critical patent/CN112273912A/en
Publication of CN112273912A publication Critical patent/CN112273912A/en
Withdrawn legal-status Critical Current

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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
    • 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
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • 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
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • 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
    • A47C7/50—Supports for the feet or the legs coupled to fixed parts of the chair

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  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Abstract

The invention relates to the technical field of electric chairs, in particular to an electric folding seat frame which comprises a base, a backrest adjusting mechanism, a leg adjusting mechanism and a linkage assembly, wherein the backrest adjusting mechanism is arranged on the base; the leg adjusting mechanism comprises a bottom frame, a moving frame, a telescopic frame, a turnover frame and a second driving piece; the leg adjusting mechanism further comprises a first linkage rod assembly; the leg adjusting mechanism further comprises a turnover assembly; the telescopic frame enables the overturning frame to overturn through the overturning assembly. According to the invention, by arranging the base, the backrest adjusting mechanism and the leg adjusting mechanism, the angle of the backrest adjusting mechanism can be adjusted by the first driving piece, and the leg adjusting mechanism is driven by the linkage assembly to also adjust a certain angle; in addition, by arranging the first connecting rod, the second connecting rod, the third connecting rod, the fourth connecting rod and the curved rod, the moving frame can be driven to move, the telescopic frame can be driven to move and the turnover frame can be driven to turn over through the second driving piece, and cost is greatly saved.

Description

Electric folding seat frame
Technical Field
The invention relates to the technical field of electric chairs, in particular to an electric 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 functions of backrest angle adjustment and leg extension, in order to extend the length of the leg extension mechanism, the existing electric sofa chair is provided with a turnover mechanism and two or more telescopic frames on the leg extension 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 backrest angle adjustment also needs to be driven by a driving piece, so that the manufacturing cost of the electric chair is higher.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide an electric folding seat frame.
The purpose of the invention is realized by the following technical scheme: an electric folding seat frame comprises a base, a backrest adjusting mechanism and a leg adjusting mechanism; a linkage assembly is arranged among the backrest adjusting mechanism, the leg adjusting mechanism and the base; the base is provided with a first driving piece for adjusting the angle of the backrest adjusting mechanism;
the leg adjusting mechanism comprises a bottom frame, a moving frame, a telescopic frame, a turnover frame and a second driving piece; the movable frame is movably arranged on the bottom frame; the second driving piece is used for driving the movable frame to move on the bottom frame;
the leg adjusting mechanism also comprises a first linkage rod assembly arranged among the bottom frame, the movable frame and the telescopic frame;
the turnover frame is hinged with the movable frame; the leg adjusting mechanism further comprises a turnover assembly; the telescopic frame enables the overturning frame to overturn through the overturning assembly.
The invention is further configured such that the first linkage rod assembly comprises a first link, a second link, a third link, a fourth link, and a curved bar; 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 link is hinged between the one end and the other end thereof with the knee lever between the one end and the other end thereof.
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 second driving piece is hinged with the first hinge seat;
the movable frame is provided with a second hinge seat; the output end of the second 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 two sides of the bottom frame are respectively provided with a first sliding groove and a first sliding block used for sliding on the first sliding grooves; 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 telescopically arranged in the channel in a penetrating way;
one end of the movable frame is provided with a first connecting strip; 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 second driving piece is connected with the first connecting bar; 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;
a second connecting plate is arranged at one end of the moving frame; one end of the roll-over stand is hinged with the second connecting plate.
The invention further provides that the electric 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 second linkage rod assembly is arranged between the turnover frame and the extension frame; and a linkage piece is arranged between the second linkage rod component 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 second linkage 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 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 invention is further provided that the linkage assembly comprises a rotating rod, a rotating block, a first positioning plate and a second positioning plate; the backrest adjusting mechanism comprises a backrest frame; the first positioning plate is connected with the base; the second positioning plate is connected with the backrest frame, and one end of the rotating rod is hinged with the first positioning plate; the other end of the rotating rod is hinged with one end of the rotating block; the other end of the rotating block is hinged with a second positioning plate; the underframe is hinged with the middle part of the rotating block.
The invention is further provided that the base is provided with a third hinge base; the backrest frame is provided with a fourth hinged seat; the first driving piece is hinged with the fourth hinging seat; the output end of the first driving piece is hinged with the third hinge seat.
The invention is further provided that the top of the backrest frame is provided with a headrest frame; the backrest frame is hinged with the headrest frame.
The invention has the beneficial effects that: according to the invention, by arranging the base, the backrest adjusting mechanism and the leg adjusting mechanism, the angle of the backrest adjusting mechanism can be adjusted by the first driving piece, and the leg adjusting mechanism is driven by the linkage assembly to also adjust a certain angle; in addition, 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 to stretch and move, the telescopic frame is driven by the telescopic frame to overturn by setting the overturning assembly, the movable frame can be driven by one driving piece to move, the telescopic frame can move and the overturning frame can overturn, 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 view of the backrest adjustment mechanism of the present invention shown in an expanded configuration;
FIG. 4 is a schematic view of the backrest adjustment mechanism of the present invention when retracted;
FIG. 5 is a schematic structural view of the present invention when the movable frame and the telescopic frame are deployed;
FIG. 6 is a schematic view of the movable frame and the telescopic frame of the present invention when they are retracted;
FIG. 7 is a schematic view of the present invention showing another perspective when the movable frame and the telescopic frame are retracted;
FIG. 8 is a schematic view of the present invention showing the cooperative folding of the roll-over stand and the extension stand;
FIG. 9 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. 10 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. 11 is a schematic view of the fixing block of the present invention engaged with the fixing plate;
wherein: 11. a chassis; 111. a first connecting plate; 12. a movable frame; 121. a channel; 13. a telescopic frame; 14. a second driving 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. a sixth link; 3. a base; 31. a third hinge mount; 4. a first driving member; 51. rotating the rod; 52. rotating the block; 53. a first positioning plate; 54. a second positioning plate; 6. a backrest frame; 61. a fourth hinge base; 7. a headrest frame.
Detailed Description
The invention is further described with reference to the following examples.
As can be seen from fig. 1 to 11, the electric folding seat frame of the present embodiment includes a base 3, a backrest adjustment mechanism, and a leg adjustment mechanism; a linkage assembly is arranged among the backrest adjusting mechanism, the leg adjusting mechanism and the base 3; the base 3 is provided with a first driving piece 4 for adjusting the angle of the backrest adjusting mechanism;
the leg adjusting mechanism comprises a base frame 11, a moving frame 12, a telescopic frame 13, a turnover frame 22 and a second driving piece 14; the moving frame 12 is movably arranged on the bottom frame 11; the second driving piece 14 is used for driving the moving frame 12 to move on the base frame 11;
the leg adjusting mechanism further comprises a first linkage rod assembly arranged among the bottom frame 11, the moving frame 12 and the telescopic frame 13;
the roll-over stand 22 is hinged with the movable stand 12; the leg adjusting mechanism further comprises a turnover assembly; the telescopic frame 13 enables the overturning frame 22 to overturn through the overturning assembly.
Specifically, in the electric folding seat frame of the embodiment, by providing the base 3, the backrest adjusting mechanism and the leg adjusting mechanism, the first driving member 4 can adjust the angle of the backrest adjusting mechanism, and due to the arrangement of the linkage assembly, when the angle of the backrest adjusting mechanism is adjusted, the leg adjusting mechanism is driven to adjust the angle, so that a user can sit on the chair in a posture close to a lying posture as shown in fig. 2; in addition, in the embodiment, the first linkage rod assembly is arranged, so that the second driving member 14 drives the moving frame 12 and simultaneously drives the telescopic frame 13 to move in a telescopic manner, and the telescopic frame 13 drives the roll-over frame 22 to turn over by arranging the turning assembly, so that the moving frame 12, the telescopic frame 13 and the roll-over frame 22 can be simultaneously driven to move by one second driving member 14, and the cost is greatly saved.
In the electric folding seat frame of the present embodiment, the first link assembly includes a first link 151, a second link 152, a third link 153, a fourth link 154, and a curved bar 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.
In the electric folding seat frame of the present embodiment, the second driving member 14 drives the movable frame 12 to move telescopically on the base frame 11, the movable 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 rod 16, in actual use, the lengths of the first link 151, the second link 152, the third link 153, the fourth link 154 and the curved lever 16 can be selected according to the user's needs, so that different stroke distances are obtained between the first link 151 and the second link 152, and between the third link 153, the fourth link 154 and the crank 16, so that the speed between the moving frame 12 and the telescopic frame 13 is different, therefore, the moving frame 12 and the telescopic frame 13 can be driven to move simultaneously through the second driving piece 14, and the cost is saved;
in addition, in the embodiment, by providing the turning assembly, the telescopic frame 13 pushes the turning frame 22 to turn during the moving process of the telescopic frame 13, so that the moving frame 12, the telescopic frame 13 and the turning frame 22 can be driven to move simultaneously by one second driving element 14, thereby greatly saving the cost.
In the electric folding seat frame of the embodiment, the turning 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 turning 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. The electric folding seat frame of the embodiment further comprises 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 second linkage rod assembly is arranged between the turning frame 22 and the extension frame 23; a linkage member is arranged between the second linkage rod assembly and the connecting shaft 25.
Specifically, in the electric folding seat frame of this embodiment, the telescopic frame 13 is driven by the driving element 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 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 movable frame 12, so that the roll-over frame 22 is turned over along the hinged portion hinged to the movable 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 at the same time, the connecting rod assembly and the linkage element move forward, so that the roll-over frame 22 is turned over and the extension frame 23 extends out; 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 electric folding seat frame of the embodiment, the base frame 11 is provided with a first hinge seat 17; the second 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 second driving member 14 is hinged with the second hinge seat 172;
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 electric folding seat frame is more reasonable through the arrangement.
A first sliding groove 181 and a first sliding block 182 which is used for sliding on the first sliding groove 181 are arranged on both sides of the bottom frame 11; 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.
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 of the telescopic frame 13 far away from the first connecting strip 191; the output end of the second 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 a second connecting bar 192; 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 electric folding seat frame is more stable and reasonable through the arrangement.
In the electric folding seat frame of the present embodiment, the linkage is a steering link 27; one end of the steering connecting rod 27 is sleeved on the connecting shaft 25;
the second linkage rod 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 electric folding seat frame of the present embodiment, the extension frame 23 is provided with a second sliding slot 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 arranged on the fixing plate 222; the structure of the electric folding seat frame is more stable and reasonable through the arrangement.
The length of the first trough 261 is greater than the diameter of the second trough 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.
In the electric folding seat frame of the present embodiment, the linkage assembly includes a rotating rod 51, a rotating block 52, a first positioning plate 53 and a second positioning plate 54; the backrest adjusting mechanism comprises a backrest frame 6; the first positioning plate 53 is connected with the base 3; the second positioning plate 54 is connected with the backrest frame 6, and one end of the rotating rod 51 is hinged with the first positioning plate 53; the other end of the rotating rod 51 is hinged with one end of the rotating block 52; the other end of the rotating block 52 is hinged with a second positioning plate 54; the base frame 11 is hinged with the middle part of the rotating block 52.
Specifically, with the above arrangement, the first driver 4 drives the back frame 6 to adjust the angle, and at the same time, the base frame 11 is also adjusted by a certain angle, so that the user can sit on the chair in a posture close to lying down as shown in fig. 2.
In the electric folding seat frame of the present embodiment, the base 3 is provided with a third hinge seat 31; the backrest frame 6 is provided with a fourth hinged seat 61; the first driving piece 4 is hinged with the fourth hinge seat 61; the output end of the first driving member 4 is hinged with the third hinge seat 31.
In the electric folding seat frame of the present embodiment, a headrest frame 7 is disposed at the top of the backrest frame 6; the backrest frame 6 is hinged with the headrest frame 7. The angle of the headrest frame 7 can be conveniently adjusted by the user through the arrangement.
In the telescopic folding seat frame of the present embodiment, the first driving member 4 and the second driving member 14 may be cylinders, oil cylinders, linear motors, or the like.
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. An electronic folding seat frame which characterized in that: comprises a base (3), a backrest adjusting mechanism and a leg adjusting mechanism; a linkage component is arranged among the backrest adjusting mechanism, the leg adjusting mechanism and the base (3); the base (3) is provided with a first driving piece (4) for adjusting the angle of the backrest adjusting mechanism;
the leg adjusting mechanism comprises a base frame (11), a moving frame (12), a telescopic frame (13), a turnover frame (22) and a second driving piece (14); the moving frame (12) is movably arranged on the bottom frame (11); the second driving piece (14) is used for driving the moving frame (12) to move on the bottom frame (11);
the leg adjusting mechanism also comprises a first linkage rod assembly arranged among the bottom frame (11), the moving frame (12) and the telescopic frame (13);
the turnover frame (22) is hinged with the moving frame (12); the leg adjusting mechanism further comprises a turnover assembly; the telescopic frame (13) enables the overturning frame (22) to overturn through the overturning assembly.
2. The power folding seat frame as claimed in claim 1, wherein: the first linkage rod assembly 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 link (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.
3. The power folding seat frame as claimed in claim 1, wherein: 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).
4. The power folding seat frame as claimed in claim 1, wherein: a first hinge seat (17) is arranged on the bottom frame (11); the second 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 second 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 connecting rod (152) is hinged with the first connecting plate (111);
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) in a penetrating way;
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 second 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 connecting rod (153) is hinged with a second connecting strip (192);
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).
5. A power folding seat structure according to claim 3, characterized in that: the electric 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 second linkage rod assembly is arranged between the turnover frame (22) and the extension frame (23); and a linkage piece is arranged between the second linkage rod component and the connecting shaft (25).
6. An electrically powered folding seat structure according to claim 5, characterised 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 second linkage rod assembly comprises a fifth connecting rod (281) and a sixth connecting rod (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.
7. An electrically powered folding seat structure according to claim 5, characterised 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);
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).
8. The power folding seat frame as claimed in claim 1, wherein: the linkage assembly comprises a rotating rod (51), a rotating block (52), a first positioning plate (53) and a second positioning plate (54); the backrest adjusting mechanism comprises a backrest frame (6); the first positioning plate (53) is connected with the base (3); the second positioning plate (54) is connected with the backrest frame (6), and one end of the rotating rod (51) is hinged with the first positioning plate (53); the other end of the rotating rod (51) is hinged with one end of the rotating block (52); the other end of the rotating block (52) is hinged with a second positioning plate (54); the bottom frame (11) is hinged with the middle part of the rotating block (52).
9. The power folding seat structure as claimed in claim 8, wherein: the base (3) is provided with a third hinge seat (31); the backrest frame (6) is provided with a fourth hinged seat (61); the first driving piece (4) is hinged with the fourth hinged seat (61); the output end of the first driving piece (4) is hinged with the third hinge seat (31).
10. The power folding seat structure of claim 9, wherein: the top of the backrest frame (6) is provided with a headrest frame (7); the backrest frame (6) is hinged with the headrest frame (7).
CN202011198155.2A 2020-10-30 2020-10-30 Electric folding seat frame Withdrawn CN112273912A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011198155.2A CN112273912A (en) 2020-10-30 2020-10-30 Electric folding seat frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011198155.2A CN112273912A (en) 2020-10-30 2020-10-30 Electric folding seat frame

Publications (1)

Publication Number Publication Date
CN112273912A true CN112273912A (en) 2021-01-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011198155.2A Withdrawn CN112273912A (en) 2020-10-30 2020-10-30 Electric folding seat frame

Country Status (1)

Country Link
CN (1) CN112273912A (en)

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