CN212591133U - Multifunctional leisure seat mechanical stretching device - Google Patents
Multifunctional leisure seat mechanical stretching device Download PDFInfo
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- CN212591133U CN212591133U CN202020458650.1U CN202020458650U CN212591133U CN 212591133 U CN212591133 U CN 212591133U CN 202020458650 U CN202020458650 U CN 202020458650U CN 212591133 U CN212591133 U CN 212591133U
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Abstract
The utility model discloses a multi-functional leisure seat machinery extension fixture, including the back adjusting device, seat foot extension fixture, pivot and the chassis device that connect gradually. The utility model can realize the stretching and the folding of the foot extending hinge, the folding of the backrest, the lifting and the laying of the headrest bracket, and can control the seat to rotate in different angles, thereby ensuring that the seat has the office and leisure functions at the same time; the utility model discloses simple structure, dismantlement installation are all more convenient.
Description
The technical field is as follows:
the utility model relates to the technical field of seats, in particular to multi-functional leisure seat machinery extension device.
Background art:
the existing seat is especially only provided with the functions of rotation and up-down height adjustment movement, the life rhythm of people is fast, the working pressure is large, people need to lie in half after sitting on the seat for a long time, lie flat or rotate to relieve the pressure and relax the mood, however, the existing seat is not provided with leisure functions such as lying in half, a footrest and lying flat, the rotation angle of the existing seat can not be controlled, the seat rotates all the time and has some potential safety hazards, in addition, the existing seat backrest and the main body are inconvenient to disassemble, the packaging and the transportation are inconvenient, and therefore the corresponding improvement is needed to be made on the existing seat.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
The utility model has the following contents:
the utility model aims to provide a multifunctional leisure chair mechanical stretching device, which comprises a backrest adjusting device, a chair foot stretching device, a rotating shaft and a chassis device which are connected in sequence;
the backrest adjusting device comprises a backrest frame, a seat frame and a backrest driving motor, a driving axle is arranged at the position, close to the front end, of the bottom of the seat frame, one end of the backrest driving motor is connected with the bottom of the backrest frame, the other end of the backrest driving motor is connected with the driving axle, and the backrest frame is connected with the seat frame through a backrest driving assembly;
the seat foot stretching device comprises a seat stretching motor, a mounting bracket and foot stretching hinges, the mounting bracket comprises armrest mounting plates on two sides and a supporting tube for fixing the armrest mounting plates, a mounting seat is arranged in the middle of the supporting tube and connected with a rotating shaft, the armrest mounting plates on the two sides are respectively connected with two sides of a seat frame, one end of the seat stretching motor is connected with the bracket on the supporting tube, the other end of the seat stretching motor is connected with a bracket on a drive axle, and the foot stretching hinges on the feet are connected with the side surfaces of the seat frame and the armrest mounting plates on the two sides of the mounting bracket;
the backrest frame is characterized in that a headrest support is further arranged above the backrest frame, a headrest driving motor is further arranged at the bottom of the backrest frame, and an adjusting pull rod is connected between the headrest support and the headrest driving motor.
The backrest driving assembly comprises an elastic positioning buckle and a U-shaped bolt, a backrest connecting piece is arranged on the seat frame, a U-shaped opening positioning groove and an anti-falling hole are formed in the backrest connecting piece, the elastic positioning buckle is clamped on the U-shaped opening positioning groove, a positioning hole corresponding to the anti-falling hole is formed in the elastic positioning buckle, an anti-falling positioning bolt penetrates through the anti-falling hole and the positioning hole, the U-shaped bolt is connected with the backrest frame, the U-shaped bolt can rotate around the backrest frame as a shaft, and the U-shaped bolt is clamped in the elastic positioning buckle.
The utility model discloses a bearing, including the pivot, the pivot includes interior pivot and outer pivot, leave the turn gap between interior pivot and the outer pivot, the part that the inner pivot extends to outside the outer pivot and is located outside the outer pivot is the cone structure and is connected with the mount pad cooperation, the internal rotation outside is provided with stop screw, be provided with the stop screw of break-over outer pivot wall body on the outer pivot, stop screw twists and can support the stop screw in the inner pivot outside from the outer pivot outside and can prevent 360 rotations of pivot when supporting the stop screw in the inner pivot outside, and 360 free rotations of pivot can be realized to the stop screw of unscrewing.
The opening angle between the backrest frame and the seat frame is less than or equal to 175 degrees, which accords with human engineering and lies flat with zero gravity.
The front end of the foot extension hinge is also provided with a main footrest device and an auxiliary footrest device.
The seat frame and the foot extension hinges are of an integrated structure.
The backrest frame and the seat frame, the seat frame and the rotating shaft, and the rotating shaft and the chassis device are detachably connected.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model can realize the stretching and the folding of the foot extension hinge, the folding of the backrest and the lifting and the laying of the headrest bracket, thereby ensuring that the chair has the office and leisure functions at the same time;
(2) the maximum angle of the backrest frame and the seat frame is 175 degrees when the backrest frame and the seat frame are opened, and the heart and the heels are positioned on the same horizontal line when a person lies flat, so that zero-gravity lying is realized, and the chair conforms to the ergonomics;
(3) the backrest driving component comprises an elastic positioning buckle and a U-shaped bolt, and the U-shaped bolt is connected with the elastic positioning buckle in a clamping manner, so that the backrest frame and the seat frame can be conveniently detached and installed; the elastic positioning buckle and the backrest connecting piece on the seat frame are positioned through the anti-falling positioning bolt, so that the elastic positioning buckle can be prevented from sliding when being stressed, and a double-safety function is achieved;
(4) be provided with stop screw on the interior pivot, be provided with stop screw on the outward rotating shaft, the accessible is adjusted stop screw and is passed the size of outward rotating shaft and control whether stop screw supports stop screw to can realize that the control seat can only rotate the round or can freely rotate, when the seat circular telegram, the rotation range is within the round, reduces the winding risk of power cord, and the security is higher.
Description of the drawings:
fig. 1 is a schematic structural view of a mechanical extension device of a multifunctional leisure chair of the present invention;
FIG. 2 is a schematic view of a person lying on a mechanical extension device of a multifunctional leisure seat of the present invention;
fig. 3 is an enlarged schematic view of the side of the backrest driving unit according to the present invention;
fig. 4 is an enlarged schematic view of the mounting bracket of the present invention;
fig. 5 is a schematic cross-sectional view of the rotating shaft of the present invention;
FIG. 6 is an exploded view of the mechanical extension device of the multifunctional leisure chair of the present invention;
the reference signs are: 11-backrest frame, 12-seat frame, 121-backrest connecting piece, 122-U-shaped opening positioning groove, 123-anti-falling hole, 13-backrest driving motor, 21-seat extending motor, 22-mounting bracket, 221-armrest mounting plate, 222-supporting tube, 223-mounting seat, 23-foot extending hinge, 231-main and auxiliary footrest device, 3-rotating shaft, 31-inner rotating shaft, 311-limit screw, 32-outer rotating shaft, 321-limit screw, 4-chassis device, 5-driving axle, 6-backrest driving component, 61-elastic positioning buckle, 611-positioning hole, 62-U-shaped bolt, 63-anti-falling positioning bolt, 7-headrest bracket, 8-headrest driving motor, headrest driving motor, 9-adjusting the pull rod.
The specific implementation mode is as follows:
the following detailed description of the embodiments of the present invention is provided, but it should be understood that the scope of the present invention is not limited by the embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
As shown in fig. 1-5, a multifunctional leisure seat mechanical stretching device comprises a backrest adjusting device 1, a seat foot stretching device 2, a rotating shaft 3 and a chassis device 4 which are connected in sequence;
the backrest adjusting device comprises a backrest frame 11, a seat frame 12 and a backrest driving motor 13, a driving axle 5 is arranged at the position, close to the front end, of the bottom of the seat frame 12, one end of the backrest driving motor 13 is connected with the bottom of the backrest frame 11, the other end of the backrest driving motor 13 is connected with the driving axle 5, and the backrest frame 11 is connected with the seat frame 12 through a backrest driving assembly 6;
the seat foot stretching device comprises a seat stretching motor 21, a mounting bracket 22 and a foot stretching hinge 23, wherein the mounting bracket 22 comprises two side handrail mounting plates 221 and a supporting tube 222 for supporting the two side handrail mounting plates, a mounting seat 223 is arranged at the middle position of the supporting tube 222, the mounting seat 223 is connected with a rotating shaft 3, the two side handrail mounting plates 221 are respectively connected with the two sides of the seat frame 12, one end of the seat stretching motor 21 is connected with the supporting tube 222, the other end of the seat stretching motor is connected with the driving axle 5, and the foot stretching hinge 23 is connected with the side surface of the seat frame 12 and the two side handrail mounting plates 221 of the mounting bracket 22;
a headrest support 7 is further arranged above the backrest frame 11, a headrest driving motor 8 is further arranged at the bottom of the backrest frame 11, and an adjusting pull rod 9 is connected between the headrest support 7 and the headrest driving motor 8.
The backrest driving component 6 comprises an elastic positioning buckle 61 and a U-shaped bolt 62, a backrest connecting piece 121 is arranged on the seat frame 12, a U-shaped opening positioning groove 122 and an anti-falling hole 123 are arranged on the backrest connecting piece 121, the elastic positioning buckle 61 is clamped on the U-shaped opening positioning groove 122, the elastic positioning buckle 61 is provided with a positioning hole 611 corresponding to the anti-falling hole 123, an anti-falling positioning bolt 63 penetrates through the anti-falling hole 123 and the positioning hole 611, the U-shaped bolt 62 is connected with the backrest frame 11, the U-shaped bolt 62 can rotate around the backrest frame 11, and the U-shaped bolt 62 is clamped in the elastic positioning buckle 61.
The rotating shaft 3 comprises an inner rotating shaft 31 and an outer rotating shaft 32, a rotating gap is reserved between the inner rotating shaft 31 and the outer rotating shaft 32, the part of the inner rotating shaft 31, which extends to the outside of the outer rotating shaft 32 and is positioned outside the outer rotating shaft 32, is of a cone structure and is in fit connection with the mounting seat 223, a limit screw 311 is arranged on the outer side of the inner rotating shaft 31, a limit screw 321 penetrating through the wall body of the outer rotating shaft 32 is arranged on the outer rotating shaft 32, the limit screw 321 is screwed in from the outer side of the outer rotating shaft 32 and can abut against the limit screw 311 on the outer side of the inner rotating shaft 31, the rotating shaft can be prevented from rotating for 360 degrees when the limit screw 321 is screwed in from the outer side of the outer rotating shaft 32 and can abut against the limit screw.
The opening angle between the backrest frame 11 and the seat frame 12 is less than or equal to 175 degrees, which is in line with human engineering and lies flat with zero gravity.
The front end of the foot extension hinge 23 is further provided with a main footrest device 231 and an auxiliary footrest device 231.
The seat frame 12 and the foot extension hinges 23 are of an integral structure.
The backrest frame 11 and the seat frame 12, the seat frame 12 and the rotating shaft 3, and the rotating shaft 3 and the chassis device 4 are detachably connected.
The concrete during operation:
the working principle of the backrest adjusting device is as follows: the backrest driving motor 13 works, at the moment, the backrest driving motor 13 jacks up the drive axle 5 by taking the joint of the backrest driving motor 13 and the bottom of the backrest frame 11 as a fulcrum, the drive axle 5 drives the seat frame 12 to lift upwards, the backrest frame 11 presses downwards while the seat frame 12 lifts upwards, so that the backrest frame 11 and the seat frame 12 are in a leaning fit, and the U-shaped bolt 62 can swing up and down in the process, so that the backrest frame 11 can press downwards when the seat frame 12 lifts;
the working principle of the seat foot extension device is as follows: the seat extension motor 21 works, at this time, the seat extension motor 21 jacks up the drive axle 5 by taking the joint of the seat extension motor 21 and the support tube 222 as a fulcrum, the drive axle 5 is lifted up to drive the seat frame 12 to be lifted up, and in the process of lifting up the seat frame 12, the foot extension hinge 23 rotates by taking the joint with the side surface of the seat frame 12 and the joints with the handrail mounting plates 221 on the two sides of the mounting bracket 22 as centers, so that the foot extension hinge 23 is instantaneously unfolded;
the working principle of the headrest support 7 during adjustment is as follows: the headrest driving motor 8 works, the adjusting pull rod 9 is jacked up by taking the joint of the headrest driving motor 8 and the backrest frame 11 as a fulcrum at the moment, and the adjusting pull rod 9 pushes the headrest support 7 to press down.
In addition, the maximum angle between the backrest frame 11 and the seat frame 12 is 175 degrees when the backrest frame and the seat frame are opened, when a person lies on the flat bed, the heart and the heels are on the same horizontal line, the heart can be prevented from being pressed, and the person lies on the flat bed more comfortably;
the backrest driving assembly 6 comprises a connecting block 61 and a U-shaped bolt 62, the U-shaped bolt 62 is clamped in the elastic positioning buckle 63 by arranging the elastic positioning buckle 63 on the connecting block 61, and the U-shaped bolt 62 only needs to be pulled out of the elastic positioning buckle 63 or the elastic positioning buckle is directly pulled up from a U-shaped opening 611 of the connecting block 61 during disassembly, so that the disassembly and the installation between the backrest frame 11 and the seat frame 12 are more convenient; the elastic positioning buckle 63 and the connecting block 61 are positioned through the positioning bolt 64, so that the elastic positioning buckle 63 can be prevented from sliding when being pressed by the U-shaped bolt 62, and a positioning effect can be achieved;
the backrest driving assembly 6 comprises an elastic positioning buckle 61 and a U-shaped bolt 62, and the U-shaped bolt 62 is connected with the elastic positioning buckle 61 in a clamping manner, so that the U-shaped bolt 62 is pulled out of the elastic positioning buckle 61 or the elastic positioning buckle 61 is directly pulled up from a U-shaped opening positioning groove 122 arranged on the backrest connecting piece 121 during disassembly, and the disassembly and the assembly between the backrest frame 11 and the seat frame 12 can be facilitated; the elastic positioning buckle 61 and the backrest connecting piece 121 on the seat frame 12 are positioned by the anti-falling positioning bolt 63, so that the elastic positioning buckle can be prevented from sliding under stress, and a double-safety function is achieved;
be provided with stop screw 311 on the interior pivot 31, be provided with stop screw 321 on the outer pivot 32, accessible regulation stop screw 321 passes the size of outer pivot 32 and controls whether stop screw 321 supports stop screw, one section has been pulled up toward the outer pivot 32 outside to stop screw 321, stop screw 321 and stop screw 311 when not coming into contact, can rotate the circle wantonly about, when the seat circular telegram, screw stop screw 321 to the end, stop screw 321 can support stop screw 311, the seat can only rotate less than the round this moment, reduce the winding risk of power cord, the security performance is higher.
The utility model can realize the stretching and the folding of the foot extending hinge, the folding of the backrest, the lifting and the laying of the headrest bracket, and can control the seat to rotate in different angles, thereby ensuring that the seat has the office and leisure functions at the same time; the utility model discloses simple structure, dismantlement installation are all more convenient.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (7)
1. The utility model provides a multi-functional leisure chaise longue machinery extension device which characterized in that:
comprises a backrest adjusting device, a seat foot extending device, a rotating shaft and a chassis device which are connected in sequence;
the backrest adjusting device comprises a backrest frame, a seat frame and a backrest driving motor, a driving axle is arranged at the position, close to the front end, of the bottom of the seat frame, one end of the backrest driving motor is connected with the bottom of the backrest frame, the other end of the backrest driving motor is connected with the driving axle, and the backrest frame is connected with the seat frame through a backrest driving assembly;
the seat foot stretching device comprises a seat stretching motor, a mounting bracket and a foot stretching hinge, wherein the mounting bracket comprises two side handrail mounting plates and a supporting tube for fixing the two side handrail mounting plates;
the backrest frame is characterized in that a headrest support is further arranged above the backrest frame, a headrest driving motor is further arranged at the bottom of the backrest frame, and an adjusting pull rod is connected between the headrest support and the headrest driving motor.
2. The mechanical extension device of a multifunctional leisure seat as claimed in claim 1, characterized in that: the backrest driving assembly comprises an elastic positioning buckle and a U-shaped bolt, a backrest connecting piece is arranged on the seat frame, a U-shaped opening positioning groove and an anti-falling hole are formed in the backrest connecting piece, the elastic positioning buckle is clamped on the U-shaped opening positioning groove, a positioning hole corresponding to the anti-falling hole is formed in the elastic positioning buckle, an anti-falling positioning bolt penetrates through the anti-falling hole and the positioning hole, the U-shaped bolt is connected with the backrest frame, the U-shaped bolt can rotate around the backrest frame as a shaft, and the U-shaped bolt is clamped in the elastic positioning buckle.
3. The mechanical extension device of a multifunctional leisure seat as claimed in claim 1, characterized in that: the rotating shaft comprises an inner rotating shaft and an outer rotating shaft, a rotating gap is reserved between the inner rotating shaft and the outer rotating shaft, the part of the inner rotating shaft, which extends to the outside of the outer rotating shaft and is positioned outside the outer rotating shaft, is of a cone structure and is matched and connected with the mounting seat, a limit screw is arranged on the outer side of the inner rotating shaft, a limit screw penetrating through the wall body of the outer rotating shaft is arranged on the outer rotating shaft, and the limit screw is screwed in from the outer side of the outer rotating shaft and can abut against the limit screw on the outer side of the.
4. The mechanical extension device of a multifunctional leisure seat as claimed in claim 1, characterized in that: the angle between the backrest frame and the seat frame after being stretched is less than or equal to 175 degrees.
5. The mechanical extension device of a multifunctional leisure seat as claimed in claim 1, characterized in that: the front end of the foot extension hinge is also provided with a main footrest device and an auxiliary footrest device.
6. The mechanical extension device of a multifunctional leisure seat as claimed in claim 1, characterized in that: the seat frame and the foot extension hinges of the feet are of an integrated structure.
7. The mechanical extension device of a multifunctional leisure seat as claimed in claim 1, characterized in that: the backrest frame and the seat frame, the seat frame and the rotating shaft, and the rotating shaft and the chassis device are detachably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020458650.1U CN212591133U (en) | 2020-04-01 | 2020-04-01 | Multifunctional leisure seat mechanical stretching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020458650.1U CN212591133U (en) | 2020-04-01 | 2020-04-01 | Multifunctional leisure seat mechanical stretching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212591133U true CN212591133U (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020458650.1U Active CN212591133U (en) | 2020-04-01 | 2020-04-01 | Multifunctional leisure seat mechanical stretching device |
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| Country | Link |
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| CN (1) | CN212591133U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113768313A (en) * | 2021-09-16 | 2021-12-10 | 德沃康科技集团有限公司 | Multifunctional office sofa chair stretching device |
| CN114027661A (en) * | 2021-11-25 | 2022-02-11 | 安吉富和家具有限公司 | Chair leaning structure and chair |
-
2020
- 2020-04-01 CN CN202020458650.1U patent/CN212591133U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113768313A (en) * | 2021-09-16 | 2021-12-10 | 德沃康科技集团有限公司 | Multifunctional office sofa chair stretching device |
| CN114027661A (en) * | 2021-11-25 | 2022-02-11 | 安吉富和家具有限公司 | Chair leaning structure and chair |
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