CN211559469U - Waist supporting device - Google Patents
Waist supporting device Download PDFInfo
- Publication number
- CN211559469U CN211559469U CN201922275346.3U CN201922275346U CN211559469U CN 211559469 U CN211559469 U CN 211559469U CN 201922275346 U CN201922275346 U CN 201922275346U CN 211559469 U CN211559469 U CN 211559469U
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- CN
- China
- Prior art keywords
- connecting rod
- waist
- tail
- folded plate
- driving mechanism
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000010008 shearing Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
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- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model discloses a waist supporting device, which comprises a waist supporting folded plate used for supporting the waist; a scissor portion pivotally connected to the top waist flap to move the top waist flap between a fully retracted position and a fully extended position; the fixing part is rotatably connected with the scissor part and fixedly connected with an external structural part; the scissors part comprises a first connecting rod and a second connecting rod which are mutually crossed and are connected in a rotating mode, the top of the second connecting rod is rotatably installed on one end of the top waist folded plate, and a sliding space for the top of the second connecting rod to slide horizontally is formed in one end of the top waist folded plate; the top of the first connecting rod is rotatably arranged at the other end of the top waist folded plate, the tail of the first connecting rod is rotatably arranged at one end of the fixed part and is driven by the driving mechanism to rotate or displace, and the tail of the second connecting rod is rotatably arranged at the other end of the fixed part.
Description
Technical Field
The utility model belongs to the technical field of the function sofa, concretely relates to waist supporting device.
Background
The existing waist supporting device is composed of multiple mechanical structures, the structure is relatively complex, the assembly efficiency is low, the structure volume is large, the occupied space is large, most of the waist supporting devices are fixedly installed, and the installation position cannot be adjusted according to the comfort level.
SUMMERY OF THE UTILITY MODEL
To overcome the above-mentioned drawbacks of the prior art, the present invention provides a lumbar support device.
The utility model adopts the technical proposal that: a lumbar support device comprises
A top waist flap for waist support;
a scissor portion pivotally connected to the top waist flap to move the top waist flap between a fully retracted position and a fully extended position; and
the fixing part is rotatably connected with the scissor part and fixedly connected with an external structural part;
the scissors comprise a first connecting rod and a second connecting rod which are mutually crossed and are in rotating connection, the top of the second connecting rod is rotatably installed on one end of the top waist folded plate, and a sliding space for the top of the second connecting rod to horizontally slide is formed in one end of the top waist folded plate; the top of the first connecting rod is rotatably arranged at the other end of the top waist folded plate, the tail of the first connecting rod is rotatably arranged at one end of the fixed part and is driven by the driving mechanism to rotate or displace, and the tail of the second connecting rod is rotatably arranged at the other end of the fixed part.
Further, the waist supporting plate further comprises a driving mechanism, and the driving mechanism is connected with and drives the shearing fork part so that the shearing fork part drives the waist supporting folded plate to move up and down.
Furthermore, the afterbody of first connecting rod is equipped with first rotatory fastener the one end of fixed part is equipped with first part groove, first rotatory fastener movable mounting can slide along first part groove in first part inslot, realizes that the afterbody of first connecting rod rotates with the one end of fixed part to be connected, makes first rotatory fastener take place horizontal displacement along first part groove when first connecting rod is driven by actuating mechanism.
Further, the scissors portion further comprises a second rotary fastener for cross-rotatably connecting the first link to the second link at any position of the first link to form the scissors portion.
Furthermore, the top of the second connecting rod is provided with a third rotating fastener, the top waist folding plate is provided with a second part groove, the third rotating fastener is movably mounted in the second part groove and can slide along the second part groove, the top of the second connecting rod is connected with one end of the top waist folding plate in a rotating mode, and when the first rotating fastener horizontally displaces along the first part groove, the third rotating fastener synchronously displaces along the second part groove.
Furthermore, the tail part of the first connecting rod extends outwards to form an integrated extending bending part which is rotatably connected with the movable end of the driving mechanism.
Furthermore, the tail part of the second connecting rod extends outwards to form an integrated extending fixing part which is rotatably connected with the fixed end of the driving mechanism.
Further, the top waist flap includes a panel and an attachment panel secured to a lower surface of the panel, the scissor portion being pivotally attached to the attachment panel to allow the top waist flap to move between a fully retracted position and a fully extended position.
Has the advantages that: the utility model discloses a cut fork mechanical structure, simple structure and stability are good, and are small, and then make its structure occupation space little when being used on the structure, can freely adjust mounted position according to the comfort level simultaneously, simple to operate, the utility model discloses a top waist folded plate linear motion distance is greater than 100mm, uses more extensively.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is an open schematic view of the present invention;
fig. 4 is an installation diagram of the present invention.
Detailed Description
The invention is further explained below with reference to the drawings and examples.
As shown in fig. 1 and 4, a lumbar support device of the present embodiment includes a top lumbar flap 10 for lumbar support; a scissor portion 20 pivotally connected to the top waist flap 10 to move the top waist flap 10 between a fully retracted position and a fully extended position; a fixing portion 30 rotatably connected to the scissors portion 20 and fixedly connected to the external structural member 50; and a driving mechanism 40 connected to and driving the scissors 20 so that the scissors 20 move the waist flap 10 up and down. In fig. 4, the exterior structure 50 is depicted as a seat frame of a functional back sofa, but the present disclosure is not limited to sofas, and the exterior structure may be any of a variety of furniture members, including but not limited to single or multi-person furniture members, sofas, modular furniture members, and/or couches.
The top waist flap 10 of the present embodiment includes a panel 11 and an attachment panel 12 secured to a lower surface of the panel 11, and the scissors assembly 20 is pivotally connected to the attachment panel 12 to allow the top waist flap 10 to move between a fully retracted position and a fully extended position.
The scissors 20 of the present embodiment includes a first link 21 and a second link 22 intersecting each other and rotatably connected, a top portion of the second link 22 is rotatably connected to one end of the top waist flap 10 (specifically, in the present embodiment, a top portion of the second link 22 is rotatably connected to one end of the fixed plate 12), and a sliding space for allowing the top portion of the second link to horizontally slide is provided at one end of the top waist flap; the top of the first link 21 is pivotally connected to the other end of the waist-top flap 10 (specifically, the other end of the fixed plate 12 in the present embodiment), the tail of the first link 21 is pivotally mounted to one end of the fixed portion 30 and is driven by the driving mechanism to rotate or displace, the tail of the second link 22 is pivotally mounted to the other end of the fixed portion 30, and when the first link 21 is driven by the driving mechanism, the second link 22 is driven to move. Specifically, a first rotating fastener 211 is disposed at the tail of the first connecting rod 21, a first part groove 31 is disposed at one end of the fixing portion 30, the first rotating fastener 211 is movably mounted in the first part groove 31 and can slide along the first part groove 31, so that the tail of the first connecting rod 21 is rotatably connected with one end of the fixing portion 30, and when the first connecting rod 21 is driven by the driving mechanism, the first rotating fastener 211 is horizontally displaced along the first part groove 31; the top of the second connecting rod 22 is provided with a third rotating fastener 221, the top waist folding plate 10 is provided with a second part groove 13, specifically, the fixing plate 12 of the top waist folding plate 10 is provided with the second part groove 13, the third rotating fastener 221 is movably installed in the second part groove 13 and can slide along the second part groove 13, so that the top of the second connecting rod 22 is rotatably connected with one end of the top waist folding plate 10, and when the first rotating fastener 211 horizontally displaces along the first part groove 31, the third rotating fastener 221 synchronously displaces along the second part groove 13. The rotary fasteners used throughout this disclosure may be provided in a variety of forms, including rivets, such as spin rivets, and other fasteners known in the art for providing a rotary connection.
The first link 21 of the present embodiment is cross-rotatably connected to the second link 22 by a second rotary fastener 23, and the second rotary fastener 23 is used to cross-rotatably connect the first link 21 to the second link 22 at any position of the first link 21 to form the scissor portion 20.
In this embodiment, the tail portion of the first link 21 extends outward to form an integrated extending bending portion 212 rotatably connected to the driving end of the driving mechanism, and the tail portion of the second link 22 extends outward to form an integrated extending fixing portion 222 rotatably connected to the fixed end of the driving mechanism.
The waist supporting device of the embodiment adopts a scissor-fork type mechanical structure, and the scissor parts 20 are driven by a driving mechanism to open or fold, so that the waist supporting folded plate 10 is driven to perform linear reciprocating motion between a fully retracted position (see fig. 2) and a fully extended position (see fig. 3); specifically, as shown in fig. 2, the waist top flap 10 is in a fully retracted state (folded state), the first rotation fastener 211 is located at the leftmost end of the first component groove 31, and correspondingly, the third rotation fastener 221 is located at the leftmost end of the second component groove 13, and the first link 21 and the second link 22 intersect to form a maximum angle; when the top waist flap 10 needs to be ejected, that is, when the state of fig. 2 is turned to the state of fig. 3, the driving mechanism retracts, the tail portion of the first link 21 is driven to move rightward along the first part groove 31 until the first rotating fastener 211 reaches the rightmost end of the first part groove 31, during the movement of the first link 21, the second link 22 is driven by the second part groove 13 to move rightward until the third rotating fastener 221 reaches the rightmost end of the second part groove 13, and the top waist flap 10 is in a fully extended state.
Claims (8)
1. A lumbar support device characterized by: comprises that
A top waist flap for waist support;
a scissor portion pivotally connected to the top waist flap to move the top waist flap between a fully retracted position and a fully extended position; and
the fixing part is rotatably connected with the scissor part and fixedly connected with an external structural part;
the scissors comprise a first connecting rod and a second connecting rod which are mutually crossed and are in rotating connection, the top of the second connecting rod is rotatably installed on one end of the top waist folded plate, and a sliding space for the top of the second connecting rod to horizontally slide is formed in one end of the top waist folded plate; the top of the first connecting rod is rotatably arranged at the other end of the top waist folded plate, the tail of the first connecting rod is rotatably arranged at one end of the fixed part and is driven by the driving mechanism to rotate or displace, and the tail of the second connecting rod is rotatably arranged at the other end of the fixed part.
2. A lumbar support device according to claim 1, wherein: the waist supporting plate further comprises a driving mechanism, and the driving mechanism is connected with and drives the shearing fork part so that the shearing fork part drives the top waist folded plate to move up and down.
3. A lumbar support device according to claim 1, wherein: the tail of the first connecting rod is provided with a first rotating fastener, one end of the fixing part is provided with a first part groove, the first rotating fastener is movably mounted in the first part groove and can slide along the first part groove, the tail of the first connecting rod is rotatably connected with one end of the fixing part, and when the first connecting rod is driven by the driving mechanism, the first rotating fastener is horizontally displaced along the first part groove.
4. A lumbar support device according to claim 1, wherein: the scissoring portion also includes a second rotational fastener for cross-swivel coupling the first link to the second link at any position of the first link to form the scissoring portion.
5. A lumbar support device according to claim 3, wherein: the top of second connecting rod is equipped with third rotating fastener be equipped with the second part groove on the top waist folded plate, third rotating fastener movable mounting can slide along the second part groove in the second part inslot, realizes that the top of second connecting rod rotates with the one end of top waist folded plate to be connected, makes third rotating fastener along the synchronous displacement of second part groove when first rotating fastener takes place horizontal displacement along first part groove.
6. A lumbar support device according to claim 2, wherein: the tail part of the first connecting rod extends outwards to form an integrated extending bending part which is rotatably connected with the movable end of the driving mechanism.
7. A lumbar support device according to claim 2, wherein: the tail part of the second connecting rod extends outwards to form an integrated extending fixing part which is rotatably connected with the fixed end of the driving mechanism.
8. A lumbar support device according to claim 2, wherein: the top waist flap includes a panel and an attachment panel secured to a lower surface of the panel, the scissors assembly being pivotally connected to the attachment panel to move the top waist flap between a fully retracted position and a fully extended position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922275346.3U CN211559469U (en) | 2019-12-18 | 2019-12-18 | Waist supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922275346.3U CN211559469U (en) | 2019-12-18 | 2019-12-18 | Waist supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211559469U true CN211559469U (en) | 2020-09-25 |
Family
ID=72536243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922275346.3U Active CN211559469U (en) | 2019-12-18 | 2019-12-18 | Waist supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211559469U (en) |
-
2019
- 2019-12-18 CN CN201922275346.3U patent/CN211559469U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 215200 west side of Tongjin Avenue, Wujiang Economic and Technological Development Zone, Suzhou City, Jiangsu Province Patentee after: Ruimai Technology Co.,Ltd. Country or region after: China Address before: 215200 west side of Tongjin Avenue, Wujiang Economic Development Zone, Suzhou City, Jiangsu Province Patentee before: REMACRO MACHINERY & TECHNOLOGY (WUJIANG) Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |