CN210471549U - Seat and backrest stretching device, swinging stretching device and swinging chair - Google Patents
Seat and backrest stretching device, swinging stretching device and swinging chair Download PDFInfo
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- CN210471549U CN210471549U CN201920956752.3U CN201920956752U CN210471549U CN 210471549 U CN210471549 U CN 210471549U CN 201920956752 U CN201920956752 U CN 201920956752U CN 210471549 U CN210471549 U CN 210471549U
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- 230000001360 synchronised effect Effects 0.000 claims description 36
- 238000012546 transfer Methods 0.000 claims description 9
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- 230000033001 locomotion Effects 0.000 description 7
- 230000008602 contraction Effects 0.000 description 6
- 230000006872 improvement Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
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- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
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Abstract
The utility model relates to a seat and backrest extension device, a swing extension device and a swing chair, which comprises a support plate, a first transmission seat plate, a second transmission seat plate and a third transmission seat plate, wherein the rear half part of the support plate is provided with a first joint and a second joint, the rear half part of the first transmission seat plate is provided with a third joint, a fourth joint and a fifth joint, the third joint is pivoted with the first joint, the fourth joint is pivoted with one end of the second transmission seat plate, the two end parts of the third transmission seat plate are provided with a first end and a second end, the first end is pivoted with the other end of the second transmission seat plate, the backrest rod is provided with a sixth joint, a seventh joint and a ninth joint, the sixth joint is pivoted with the fifth joint, the seventh joint is pivoted with the second joint, one end of the first transmission back plate is pivoted with the ninth joint, the second transmission back plate is provided with a first connecting end and a second connecting end, the first connecting end is pivoted to the first transmission back plate.
Description
Technical Field
The utility model particularly relates to a seat and backrest stretching device, a swing stretching device and a swing chair.
Background
In people's daily life, the pressure of work and life is bigger and bigger, and the place of living and living is mostly compact design, and in order to deal with the people's life style of present urban life, the furniture manufacturer all is the furniture that has the expansion and contraction of many furniture of production, has reached one on the one hand and has had multi-purpose effect, and on the other hand can make the user have more comfortable experience in the use.
The existing furniture manufacturers mostly use an extension mechanism to enable the furniture to reach different states of extension or contraction, but the existing extension structure is complex and inconvenient to maintain.
Disclosure of Invention
The utility model discloses a solve prior art's problem, provide a seat and back extension device and include:
the seat component consists of a supporting plate and a transmission seat plate component for adjusting the position of the supporting plate, a first joint and a second joint are arranged on the rear half part of the supporting plate, the transmission seat plate component comprises a first transmission seat plate, a second transmission seat plate and a third transmission seat plate, a third joint, a fourth joint and a fifth joint are arranged on the rear half part of the first transmission seat plate, the front half part of the first transmission seat plate is provided with a front joint, the third joint is pivoted to the first joint, the fourth joint is pivoted to one end of the second transmission seat plate, a first end and a second end are arranged at two end parts of the third transmission seat plate, the first end is pivoted to the other end of the second transmission seat plate, and a first fixing seat is arranged on the third transmission seat plate between the first end and the second end;
the backrest assembly comprises a backrest rod and a transmission back plate assembly used for adjusting the inclination angle of the backrest rod, a sixth joint, a seventh joint, an eighth joint and a ninth joint are arranged on the backrest rod, the sixth joint is pivoted with the fifth joint, the seventh joint is pivoted with the second joint, the transmission back plate assembly comprises a first transmission back plate and a second transmission back plate, one end of the first transmission back plate is pivoted at the ninth joint, the second transmission back plate is provided with a first connecting end and a second connecting end, and the first connecting end is pivoted at the first transmission back plate.
On the basis of the above scheme and as a preferable scheme of the scheme: and one end of the synchronous plate is pivoted to the eighth joint, and the other end of the synchronous plate is provided with a synchronous groove.
On the basis of the above scheme and as a preferable scheme of the scheme: still include first actuating lever, first actuating lever one end is fixed on first fixing base, is equipped with first mount pad on the first actuating lever.
On the basis of the scheme, the stretching device comprises a seat part, a backrest stretching device, a fixed base, a swinging assembly and a pedal assembly, wherein the swinging assembly consists of a swinging plate and a synchronous swinging rod, the second transmission back plate is hinged to the swinging plate, the front joint is hinged to the swinging plate, the second end is hinged to the swinging plate, the synchronous swinging rod comprises a first synchronous swinging rod and a second synchronous swinging rod, one end of the first synchronous swinging rod is hinged to the fixed base, the other end of the first synchronous swinging rod is hinged to the swinging plate, one end of the second synchronous swinging rod is hinged to the fixed base, the other end of the second synchronous swinging rod is hinged to the fixed base, the pedal assembly comprises a pedal plate and a connecting rod assembly, the connecting rod assembly comprises a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, one end of the first connecting rod is hinged to the outer side surface of a pedal, one end of the third connecting rod is pivoted with the inner side face of the pedal piece, the other end of the third connecting rod is pivoted with a fourth connecting rod between the supporting plate, a second fixing seat is arranged on the fourth connecting rod, a second driving rod is installed on the second fixing seat, and a second installing seat is arranged on the second driving rod.
On the basis of the swing stretching device and as a preferable scheme of the scheme, the swing stretching device comprises the following components: the swing mechanism comprises a swing plate and a second synchronous swing rod, and is characterized by further comprising a limiting plate, wherein the limiting plate is a V-shaped plate, a limiting groove is formed in the V-shaped plate, two ends of the V-shaped plate are pivoted on the swing plate, and a limiting block used for limiting the limiting plate is arranged on the second synchronous swing rod.
On the basis of the swing stretching device and as a preferable scheme of the scheme, the swing stretching device comprises the following components: the synchronous device is characterized by further comprising a cooperative component for ensuring the integral synchronism, the cooperative component comprises a first cooperative plate and a second cooperative plate, one end of the first cooperative plate is pivoted with a second connecting rod, the other end of the first cooperative plate is pivoted with a first transmission back plate, the first transmission back plate is pivoted in the synchronous groove, one end of the second cooperative plate is hinged to the limiting plate, and the other end of the second cooperative plate is pivoted in the first cooperative plate.
On the basis of the swing stretching device and as a preferable scheme of the scheme, the swing stretching device comprises the following components: still include the spring, spring one end is connected first transmission bedplate, and the other end is connected and is swagged the board.
On the basis of the improvement of the scheme, the rocking chair comprises the rocking stretching device in any one of the improvement schemes, and further comprises a linear pusher, one end of the linear pusher is hinged to the first mounting seat, the other end of the linear pusher is hinged to the second mounting seat, and the linear pusher is connected with a power supply and a switch.
Compared with the prior art, the utility model outstanding and profitable technological effect is:
1. the seat of the rocking chair can be extended and contracted by using simple components, and the rocking chair is convenient to maintain and use.
2. The spring makes rocking chair leg extend at first and move when the stopper gets into the spacing groove, and the leg extends the end, then the seat begins upwards jack-up, and the back continues the hypsokinesis, lets user reach a comfortable gesture at the safe user who extends the in-process.
3. The motion linearity is guaranteed to the synchronization groove, and when the shank motion began, the pin joint of first cooperation board and first transmission backplate was in the synchronization groove and slides for seat subassembly stable translation forward, when the shank extension was finished the pin joint of first cooperation board and first transmission backplate was in the synchronization groove and slides, and the back pole begins the slope.
4. The connecting rod assembly enables the pedal to move synchronously along with the two connecting pieces, the motion stability of the pedal is guaranteed, and the motion component enables the seat component and the leg component to move together.
The utility model discloses simple structure, it is not fixed good, the maintenance of being convenient for.
Drawings
FIG. 1 is a perspective view of a seat and back extension device;
FIG. 2 is a perspective illustration of the seat assembly;
FIG. 3 is a perspective illustration of the back assembly;
FIG. 4 is a rear view of the stretching assembly;
FIG. 5 is a schematic front view of the stretching assembly;
FIG. 6 is a schematic perspective view of the stretching device;
fig. 7 is a perspective view of the stretching device.
In the figure, 11, support plate; 111. a first connection; 112. a second connection; 12. a transfer base plate; 121. a first transfer base plate; 1211. a third junction; 1212. a fourth junction; 1213. a fifth junction; 1214. a front junction; 122. a second transfer base plate; 123. a third transfer base plate; 1231. a first end; 1232. a second end; 21. a back rest rod; 211. a sixth junction; 212. a seventh junction; 213. an eighth junction; 214. a ninth junction; 22. a transfer backplane; 221. a first transfer backplane; 222. a second transfer backplane; 2221. a first connection end; 2222. a second connection end; 30. a synchronization board; 31. a synchronization slot; 411. a first fixed seat; 412. a first drive lever; 413. a first mounting seat; 421. a second fixed seat; 422. a second drive lever; 423. a second mounting seat; 51. a fixed base; 521. a wobble plate; 5221. A first synchronous swing link; 5222. a second synchronous swing link; 52221. a limiting block; 531. a pedal plate; 532. A connecting rod assembly; 5321. a first link; 5322. a second link; 5323. a third link; 53231. extending the limiting groove; 53232. retracting the limit groove; 5324. a fourth link; 61. a limiting plate; 611. a limiting groove; 71. a first cooperating plate; 72. a second cooperating plate; 80. a limiting rod.
Detailed Description
The technical solution of the present invention will be further explained with reference to the following embodiments and accompanying drawings.
As shown in fig. 1-3, the seat extension and retraction of the rocking chair can be accomplished by a simple assembly, which includes a seat assembly, the seat assembly is composed of a supporting plate 11 and a transmission seat plate 12 assembly for adjusting the position of the supporting plate 11, a first joint 111 and a second joint 112 are provided on the rear half of the supporting plate 11, the transmission seat plate 12 assembly includes a first transmission seat plate 121, a second transmission seat plate 122 and a third transmission seat plate 123, a third joint 1211, a fourth joint 1212 and a fifth joint 1213 are provided on the rear half of the first transmission seat plate 121, the front half has a front joint 1214, the third joint 1211 is pivoted to the first joint 111, the fourth joint 1212 is pivoted to one end of the second transmission seat plate 122, the third transmission seat plate 123 has a first end 1231 and a second end 1232 at both ends, the first end 1231 is pivoted to the other end of the second transmission seat plate 122, a first fixing seat 411 is arranged on the third transmission seat plate 123 between the first end 1231 and the second end 1232;
the backrest assembly comprises a backrest rod 21 and a transmission back plate 22 assembly for adjusting the inclination angle of the backrest rod 21, the backrest rod 21 is provided with a sixth joint 211, a seventh joint 212, an eighth joint 213 and a ninth joint 214, the sixth joint 211 is pivoted with a fifth joint 1213, the seventh joint 212 is pivoted with a second joint 112, the transmission back plate 22 assembly comprises a first transmission back plate 221 and a second transmission back plate 222, one end of the first transmission back plate 221 is pivoted with the ninth joint 214, the second transmission back plate 222 is provided with a first connecting end 2221 and a second connecting end 2222, and the first connecting end 2221 is pivoted with the first transmission back plate 221.
Preferably, the synchronizing plate 30 has one end pivoted to the eighth junction 213 and the other end provided with a synchronizing slot 31.
In order to enable the seat assembly to move under the direct action of external force, a first driving rod 412 is installed on the first fixing seat 411, and a first installation seat 413 is arranged on the first driving rod 412.
On the basis of the scheme, the swing stretching device is provided for increasing the performance of the seat.
As shown in fig. 4-7, the swinging and stretching device includes a seat and backrest stretching device, a fixed base 51, a swinging assembly, and a pedal assembly, the swinging assembly is composed of a swinging plate 521 and a synchronous swinging rod, the second transmission back plate 222 is hinged to the swinging plate 521, the front connection part 1214 is hinged to the swinging plate 521, the second end 1232 is hinged to the swinging plate 521, the synchronous swinging rod includes a first synchronous swinging rod 5221 and a second synchronous swinging rod 5222, one end of the first synchronous swinging rod 5221 is hinged to the fixed base 51, the other end is hinged to the swinging plate 521, one end of the second synchronous swinging rod 5222 is hinged to the fixed base 51, and the other end is hinged to the fixed base 51.
The pedal assembly comprises a pedal plate 531 and a connecting rod assembly 532, the connecting rod assembly 532 comprises a first connecting rod 5321, a second connecting rod 5322, a third connecting rod 5323 and a fourth connecting rod 5324, one end of the first connecting rod 5321 is pivoted with the outer side surface of the pedal, the other end of the first connecting rod 5321 is pivoted with the second connecting rod 5322 between the other end of the support plate 11, one end of the third connecting rod 5323 is pivoted with the inner side surface of the pedal, the other end of the third connecting rod 5323 is pivoted with the fourth connecting rod 5324 between the other end of the support plate 11, a second fixing seat 421 is arranged on the fourth connecting rod 5324, a second driving rod 422 is arranged on the second fixing seat 421, and a second mounting seat 423 is arranged on the second. It is worth mentioning that the second link 5322 is provided with the limiting rod 80, and the third link 5323 is provided with the extending limiting groove 53231 and the retracting limiting groove 53232 for limiting the extending and retracting of the footrest assembly and preventing the safety accident caused by the excessive rotation.
The leg stretching in the above scheme is not finished at any time, and a safety problem exists, and the preferred scheme provided for this purpose further includes a limiting plate 61, the limiting plate 61 is a V-shaped plate, a limiting groove 611 is arranged on the V-shaped plate, two ends of the V-shaped plate are pivoted on the swinging plate, and a limiting block 52221 for limiting the limiting plate 61 is arranged on the second synchronous swinging rod 5222.
The scheme has unstable conditions in the movement process, and the preferable scheme provided for the scheme further comprises a cooperative assembly component for ensuring the overall synchronism, wherein the cooperative assembly comprises a first cooperative plate 71 and a second cooperative plate 72, one end of the first cooperative plate 71 is pivoted with the second connecting rod 5322, the other end of the first cooperative plate is pivoted with the first transmission back plate 221, the first cooperative plate is pivoted in the synchronous groove 31, one end of the second cooperative plate 72 is hinged with the limiting plate 61, and the other end of the second cooperative plate 72 is pivoted with the first cooperative plate 71.
The seat component and the leg component move simultaneously, so that the safety problem exists, the experience of a user is influenced, and in the preferable scheme, the seat component and the leg component also comprise springs, one end of each spring is connected with the first transmission seat plate 121, and the other end of each spring is connected with the swinging plate 521.
On the basis of the improvement of the scheme, the rocking chair comprises the rocking stretching device in any one of the improvement schemes, and further comprises a linear pusher, wherein one end of the linear pusher is hinged to the first mounting seat 413, the other end of the linear pusher is hinged to the second mounting seat 423, and the linear pusher is connected with a power supply and a switch.
In detail, in the rocking chair, the switch is turned on, the extension adjustment button is pressed, the linear pusher starts to move by being energized, the footrest assembly starts to move under the influence of the spring, the second driving lever 422 starts to move, the fourth link 5324 starts to move, the third link 5323 pivoted to the fourth link 5324 and the support plate 11 start to move, the second link 5322 starts to move along with the support plate 11, the first link 5321 starts to move, the footrest 531 starts to move along with the first link 5321 and the second link 5322 until the stopper rod 80 enters the extension limiting groove 53231, the linear pusher continues to extend to overcome the elastic force of the spring at this time, the third transmission seat plate 123 continues to rotate, the second transmission seat plate 122 rotates along with the rotation of the third transmission seat plate 123, the first transmission seat plate 121 rotates along with the rotation of the second transmission seat plate 122, the support plate 11 moves along with the movement of the third transmission seat plate 123 and is lifted upwards, the extension is completed until the linear pusher reaches the maximum extension value, and the upward movement of the third transfer bed plate 123 reaches the maximum value, at which time the seat portion of the rocking chair is raised to the maximum value, so that the user can obtain a more comfortable experience.
When the supporting plate 11 moves, the first transmission seat plate 121 moving with the supporting plate 11 moves, the backrest lever 21 pivoted with the first transmission seat plate 121 moves along with the first transmission seat plate, the first cooperation lever moves along with the second connecting rod 5322, the first transmission back plate 221 moves along with the first cooperation lever, the backrest lever 21 moves along with the supporting plate 11, and after the limiting rod 80 enters the extension limiting groove 53231, the backrest lever 21 is driven by the first transmission seat plate 121 to tilt backwards, so that a user obtains better experience.
When the contraction adjusting button is pressed, all parts return in the original way, when the limiting rod 80 enters the contraction limiting groove 53232, the pedal assembly finishes contracting, and when the linear pusher retracts to the initial position, the contraction is finished. After the contraction is completed, the switch is turned off, when the external force is applied, the first synchronous swing rod 5221 and the second synchronous swing rod 5222 swing rods, the swing plate 521 swings back and forth along with the first connection without the action of the swing rods and the second swing rod, the footrest assembly, the backrest assembly and the seat assembly swing along with the swing of the swing rods, and the swing chair swings to realize the swing.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the concepts of the present invention in the prior art are all within the scope of protection defined by the claims.
Claims (8)
1. A seat and back extension device characterized by; the method comprises the following steps:
the seat component comprises a support plate (11) and a transmission seat plate (12) component for adjusting the position of the support plate (11), a first joint (111) and a second joint (112) are arranged on the rear half part of the support plate (11), the transmission seat plate (12) component comprises a first transmission seat plate (121), a second transmission seat plate (122) and a third transmission seat plate (123), a third joint (1211), a fourth joint (1212) and a fifth joint (1213) are arranged on the rear half part of the first transmission seat plate (121), the front half part is provided with a front joint (1214), the third joint (1211) is pivoted at the first joint (111), the fourth joint (1212) is pivoted at one end of the second transmission seat plate (122), a first end (1231) and a second end (1232) are arranged at two end parts of the third transmission seat plate (123), the first end (1231) is pivoted at the other end of the second transmission seat plate (122), a first fixed seat (411) is arranged on the third transmission seat plate (123) between the first end (1231) and the second end (1232);
the backrest assembly comprises a backrest rod (21) and a transmission back plate (22) assembly used for adjusting the inclination angle of the backrest rod (21), a sixth joint (211), a seventh joint (212), an eighth joint (213) and a ninth joint (214) are arranged on the backrest rod (21), the sixth joint (211) is pivoted with the fifth joint (1213), the seventh joint (212) is pivoted with the second joint (112), the transmission back plate (22) assembly comprises a first transmission back plate (221) and a second transmission back plate (222), one end of the first transmission back plate (221) is pivoted with the ninth joint (214), the second transmission back plate (222) is provided with a first connecting end (2221) and a second connecting end (2222), and the first connecting end (2221) is pivoted with the first transmission back plate (221).
2. A seat and back stretcher as claimed in claim 1 wherein the synchronizing plate (30) is pivotally connected at one end to the eighth connection (213) and at the other end is provided with a synchronizing slot (31).
3. A seat and back extension device according to claim 1, further comprising a first driving rod (412), wherein one end of the first driving rod (412) is fixed on the first fixing seat (411), and the first driving rod (412) is provided with a first mounting seat (413).
4. A swing stretching device comprising any one of the stretching devices 1 to 3, characterized by comprising: the swing assembly comprises a swing plate (521) and a synchronous swing rod, the second transmission back plate (222) is hinged to the swing plate (521), the front connection part (1214) is hinged to the swing plate (521), the second end (1232) is hinged to the swing plate (521), the synchronous swing rod comprises a first synchronous swing rod (5221) and a second synchronous swing rod (5222), one end of the first synchronous swing rod (5221) is hinged to the fixed base (51), the other end of the first synchronous swing rod is hinged to the swing plate (521), one end of the second synchronous swing rod (5222) is hinged to the fixed base (51), the other end of the second synchronous swing rod is hinged to the fixed base (51), the pedal assembly comprises a pedal plate (531) and a connecting rod assembly (532), and the connecting rod assembly (532) comprises a first connecting rod (5321), a second connecting rod (5322) and a third connecting rod (5323), A fourth connecting rod (5324), one end of the first connecting rod (5321) is pivoted with the outer side face of the pedal member, a second connecting rod (5322) is pivoted between the other end of the first connecting rod (5321) and the supporting plate (11), one end of the third connecting rod (5323) is pivoted with the inner side face of the pedal member, a fourth connecting rod (5324) is pivoted between the other end of the third connecting rod (5323) and the supporting plate (11), a second fixing seat (421) is arranged on the fourth connecting rod (5324), a second driving rod (422) is arranged on the second fixing seat (421), and a second mounting seat (423) is arranged on the second driving rod (422).
5. The swing stretching device according to claim 4, further comprising a limiting plate (61), wherein the limiting plate (61) is a V-shaped plate, the V-shaped plate is provided with a limiting groove (611), two ends of the V-shaped plate are pivotally connected to the swing plate, and the second synchronous swing link (5222) is provided with a limiting block (52221) for limiting the limiting plate (61).
6. A swing-stretching device according to claim 5, further comprising a cooperating assembly ensuring the overall synchronism, said cooperating assembly comprising a first cooperating plate (71) and a second cooperating plate (72), said first cooperating plate (71) being pivoted at one end to the second link (5322) and at the other end to the first transmission backplate (221) and being pivoted inside the synchronism slot (31), said second cooperating plate (72) being pivoted at one end to the limit plate (61) and at the other end to the first cooperating plate (71).
7. The device of claim 6, further comprising a spring connected at one end to the first transfer saddle (121) and at the other end to the wobble plate (521).
8. The rocking chair comprises the rocking stretching device of any one of 4-7, and is characterized by further comprising a linear pusher, one end of the linear pusher is hinged to a first mounting seat (413), the other end of the linear pusher is hinged to a second mounting seat (423), and the linear pusher is connected with a power supply and a switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920956752.3U CN210471549U (en) | 2019-06-24 | 2019-06-24 | Seat and backrest stretching device, swinging stretching device and swinging chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920956752.3U CN210471549U (en) | 2019-06-24 | 2019-06-24 | Seat and backrest stretching device, swinging stretching device and swinging chair |
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| Publication Number | Publication Date |
|---|---|
| CN210471549U true CN210471549U (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920956752.3U Active CN210471549U (en) | 2019-06-24 | 2019-06-24 | Seat and backrest stretching device, swinging stretching device and swinging chair |
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| Country | Link |
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| CN (1) | CN210471549U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113331630A (en) * | 2020-12-29 | 2021-09-03 | 沙剑波 | Novel independent headrest |
-
2019
- 2019-06-24 CN CN201920956752.3U patent/CN210471549U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113331630A (en) * | 2020-12-29 | 2021-09-03 | 沙剑波 | Novel independent headrest |
| CN113331630B (en) * | 2020-12-29 | 2024-10-22 | 沙剑波 | Independent headrest |
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