CN220459008U - Novel high-foot complete zero-leaning wall sofa iron frame - Google Patents
Novel high-foot complete zero-leaning wall sofa iron frame Download PDFInfo
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- CN220459008U CN220459008U CN202322213048.8U CN202322213048U CN220459008U CN 220459008 U CN220459008 U CN 220459008U CN 202322213048 U CN202322213048 U CN 202322213048U CN 220459008 U CN220459008 U CN 220459008U
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- connecting rod
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- pivoted
- backrest
- mounting plate
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000005452 bending Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model discloses a novel high-foot full zero-wall sofa iron frame. The novel high-foot complete zero-leaning wall sofa iron frame comprises two symmetrical assembly side plates, an extension assembly is arranged on the inner side of each assembly side plate, each extension assembly comprises a seat frame mounting plate, a backrest mechanism is arranged on the rear side of each seat frame mounting plate, each backrest mechanism comprises a backrest support arranged on the rear side of each seat frame mounting plate, a first connecting rod is arranged on the front side of each backrest support, the middle of each first connecting rod is pivoted with each backrest support, the top of each first connecting rod is pivoted with each backrest mounting plate, the bottom of each first connecting rod is pivoted with a second connecting rod, the rear end of each second connecting rod is pivoted with a third connecting rod, the bottom of each third connecting rod is pivoted with each assembly side plate, the tail end of each limiting piece is pivoted with each assembly side plate, the top of each third connecting rod is pivoted with the tail end of each backrest support, and the top of each supporting rod is pivoted with the rear of each backrest mounting plate. The utility model solves the problem of low space utilization rate caused by the fact that the prior art cannot completely lean against the wall.
Description
Technical Field
The utility model relates to the field of household manufacturing, in particular to a novel high-foot full zero-leaning wall sofa iron frame.
Background
The existing publication number is CN217937700U, the name is Chinese utility model patent of a novel seat depth lengthened sofa iron frame, when the backrest mechanism disclosed by the Chinese utility model is unfolded, the backrest bracket directly drives the backrest mounting plate to rotate, and at the moment, a rotating space is required to be reserved for the backrest, namely the backrest cannot be completely against a wall, so that the space utilization rate is low.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide a novel high-foot full zero-leaning wall sofa iron frame with high space utilization rate.
In order to achieve the purpose, the novel high-foot full zero-leaning wall sofa iron frame adopts the following technical scheme:
the utility model provides a novel complete zero wall sofa iron stand of high foot, includes the assembly curb plate of two symmetries, and the extension subassembly is installed to the assembly curb plate inboard, and the extension subassembly includes seat frame mounting panel, and the rear side of seat frame mounting panel is provided with back mechanism, back mechanism is including installing in the back support of seat frame mounting panel rear side, and the front side of back support is provided with first connecting rod, the middle part and the back support pin joint of first connecting rod, and the top pin joint of first connecting rod has the back mounting panel, and the bottom pin joint of first connecting rod has the second connecting rod, and the rear end pin joint of second connecting rod has the third connecting rod, and the bottom pin joint of third connecting rod has the locating part, and the tail end and the assembly curb plate pin joint of locating part, the top pin joint of third connecting rod in the tail end of back support, the rear pin joint of back support has the bracing piece, and the top pin joint of bracing piece is in the rear portion of back mounting panel.
Preferably, the middle upper part of the first connecting rod is provided with a first limiting pin, the backrest mounting plate is provided with a first limiting surface matched with the first limiting pin, the middle upper part of the supporting rod is provided with a second limiting pin, and the backrest mounting plate is provided with a second limiting surface matched with the second limiting pin.
Preferably, a guide pin is arranged in the middle of the first connecting rod, and an arc-shaped groove for sliding the guide pin is formed in the backrest bracket.
Preferably, the seat frame mounting plate comprises a vertical plate, a panel is bent outwards from the top of the vertical plate, a first lug plate, a second lug plate and a third lug plate are arranged on the inner side surface of the vertical plate, and the panel, the first lug plate, the second lug plate and the third lug plate are used for mounting the seat frame.
Preferably, the first ear plate, the second ear plate and the third ear plate are bending pieces, the first ear plate is riveted at the front part of the vertical plate, the second ear plate is riveted at the middle part of the vertical plate, and the third ear plate is riveted at the tail part of the vertical plate.
Compared with the prior art, the utility model has the following advantages:
1. when the backrest mechanism is unfolded, the seat frame mounting plate moves forward under the action of the first connecting rod, the second connecting rod, the third connecting rod, the supporting rod and the limiting piece, enough space is reserved, the backrest is prevented from interfering with a wall body in the rotating process, and therefore the backrest can be completely against the wall, and the space utilization rate is improved.
2. Under the folding and unfolding states of the backrest mechanism, the first limiting pin and the second limiting pin are abutted against the corresponding first limiting surface and the corresponding second limiting surface, so that the stability of the backrest is improved.
3. In the unfolding process of the backrest mechanism, the guide pin slides from the bottom to the top of the arc-shaped groove, so that the backrest mounting plate is ensured to rotate backwards; when the guide pin is positioned at the top of the arc-shaped groove, the support function can be also achieved, and the stability of the backrest is improved.
Drawings
FIG. 1 is a schematic view of the structure of a novel high-foot full zero-wall sofa iron frame of the utility model;
FIG. 2 is a schematic elevational view of the extension assembly TV in a stance;
FIG. 3 is a schematic rear structural view of the extension assembly TV in a stance;
FIG. 4 is a schematic elevational view of the stretcher assembly in a recumbent position;
FIG. 5 is a schematic view of the rear structure of the stretcher assembly in its reclined position;
FIG. 6 is a schematic structural view of the bezel mounting plate;
FIG. 7 is a graph comparing the distance between the tail edge of the backrest and the wall in three states of sitting, TV and lying.
The seat comprises a side plate, a 2 stretching assembly, a 21 seat frame mounting plate, a 211 vertical plate, a 2111 panel, a 212 first lug plate, a 213 second lug plate, a 214 third lug plate, a 22 leg mechanism, a 221 leg connecting rod III, a 23 seat mechanism, a 24 backrest mechanism, a 241 backrest bracket, a 2411 arc-shaped groove, a 242 first connecting rod, a 2421 first limiting pin, a 2422 guiding pin, a 243 backrest mounting plate, a 2431 first limiting surface, a 2432 second limiting surface, a 244 second connecting rod, a 245 third connecting rod, a 246 limiting piece, a 247 supporting rod, a 2471 second limiting pin, a 3 push rod motor and a 4 backrest.
Detailed Description
The present utility model is further illustrated in the accompanying drawings and detailed description which are to be understood as being merely illustrative of the utility model and not limiting of its scope, since various equivalent modifications to the utility model will fall within the scope of the appended claims to the skilled person after reading the utility model.
As shown in fig. 1-7, a novel high-foot full zero-leaning wall sofa iron frame comprises two symmetrical assembling side plates 1, an extension assembly 2 is arranged on the inner sides of the assembling side plates, the extension assembly comprises a seat frame mounting plate 21, the seat frame mounting plate comprises a vertical plate 211, the top of the vertical plate is outwards bent to form a panel 2111, the inner side surface of the vertical plate is provided with a first ear plate 212, a second ear plate 213 and a third ear plate 214, the panel, the first ear plate, the second ear plate and the third ear plate are used for mounting a seat frame, the first ear plate, the second ear plate and the third ear plate are bending parts, the first ear plate is riveted on the front part of the vertical plate, the second ear plate is riveted on the middle part of the vertical plate, the third ear plate is riveted on the tail part of the vertical plate, the vertical plate is sequentially provided with a leg mechanism 22, a seat mechanism 23 and a backrest mechanism 24 from front to back, the leg mechanism and the backrest mechanism in the novel seat depth lengthening sofa iron frame have the same structure, and are not repeated, the backrest mechanism comprises a backrest bracket 241 arranged at the rear side of the vertical plate, a front side of the backrest bracket is pivoted with a first connecting rod 242, the middle part of the first connecting rod is pivoted with the backrest bracket, the top of the first connecting rod is pivoted with a backrest mounting plate 243, the bottom of the first connecting rod is pivoted with a second connecting rod 244, the rear end of the second connecting rod is pivoted with a third connecting rod 245, the bottom of the third connecting rod is pivoted with a limiting piece 246, the tail end of the limiting piece is pivoted with an assembling side plate, the top of the third connecting rod is pivoted with the tail end of the backrest bracket, the rear part of the backrest bracket is pivoted with a supporting rod 247, the top of the supporting rod is pivoted with the rear part of the backrest mounting plate, the middle upper part of the first connecting rod is provided with a first limiting pin 2421, the backrest mounting plate is provided with a first limiting surface 2431 matched with the first limiting pin, the middle upper part of the supporting rod is provided with a second limiting pin 2471, the backrest mounting plate is provided with a second limiting surface 2432 matched with the second limiting pin, and the first limiting pin and the second limiting pin are abutted against the corresponding first limiting surface and the corresponding second limiting surface in the folding and unfolding states of the backrest mechanism, so that the stability of the backrest is improved, the middle part of the first connecting rod is provided with a guide pin 2422, the backrest bracket is provided with an arc-shaped groove 2411 for sliding of the guide pin, and in the unfolding process of the backrest mechanism, the guide pin slides from the bottom to the top of the arc-shaped groove, and the backrest mounting plate is ensured to rotate backwards; when the guide pin is positioned at the top of the arc-shaped groove, the support function can be also achieved, and the stability of the backrest is improved.
The specific working process and principle of the utility model are as follows: when the TV gesture is converted into lying gesture, the telescopic end of push rod motor 3 continues to stretch out, shank connecting rod three 221 drive seat frame mounting panel to the oblique upper direction remove, back support drives first connecting rod to the oblique upper direction remove, first connecting rod drives second connecting rod and back mounting panel to the front side motion simultaneously, the second connecting rod pulls the third connecting rod, the third connecting rod drives the locating part to rotate to the front side, when the pin joint axle between second connecting rod and the third connecting rod passes the pin joint axle between third connecting rod and the locating part, the bottom of first connecting rod is pulled in opposite directions to the second connecting rod, drive first connecting rod around its pivot joint axle with back support rotate, the guide pin slides to the top from the bottom of arc wall, first connecting rod top is moved back mounting panel and is rotated, first locating pin breaks away from the front side of first locating surface, the second locating pin breaks away from the front side of second locating surface, until the guide pin slides to the top of arc wall, first locating pin is contradicted at the rear side of first locating surface, the second locating pin is contradicted at the rear side of second locating surface, guarantee the stability of back. According to the utility model, through the linkage among the first connecting rod, the second connecting rod, the third connecting rod, the supporting rod and the limiting piece, the backrest mounting plate is moved for a certain distance, and enough space is reserved, so that interference with a wall body when the backrest 4 rotates is avoided, the wall is completely closed, the space utilization rate is improved, the backrest mechanism acts smoothly when being opened, and the stability is high.
Claims (5)
1. The utility model provides a novel complete zero wall sofa iron stand of high foot, includes the assembly curb plate of two symmetries, and the extension subassembly is installed to the assembly curb plate inboard, and the extension subassembly includes seat frame mounting panel, and the rear side of seat frame mounting panel is provided with back mechanism, its characterized in that: the backrest mechanism comprises a backrest bracket arranged at the rear side of the seat frame mounting plate, a first connecting rod is arranged at the front side of the backrest bracket, the middle part of the first connecting rod is pivoted with the backrest bracket, the top of the first connecting rod is pivoted with the backrest mounting plate, the bottom of the first connecting rod is pivoted with a second connecting rod, the rear end of the second connecting rod is pivoted with a third connecting rod, the bottom of the third connecting rod is pivoted with a limiting piece, the tail end of the limiting piece is pivoted with the assembling side plate, the top of the third connecting rod is pivoted with the tail end of the backrest bracket, the rear part of the backrest bracket is pivoted with a supporting rod, and the top of the supporting rod is pivoted with the rear part of the backrest mounting plate.
2. The novel high-foot full zero-wall sofa iron frame according to claim 1, wherein: the middle upper part of the first connecting rod is provided with a first limiting pin, the backrest mounting plate is provided with a first limiting surface matched with the first limiting pin, the middle upper part of the supporting rod is provided with a second limiting pin, and the backrest mounting plate is provided with a second limiting surface matched with the second limiting pin.
3. The novel high-foot full zero-wall sofa iron frame according to claim 2, wherein: the middle part of the first connecting rod is provided with a guide pin, and the backrest bracket is provided with an arc-shaped groove for sliding of the guide pin.
4. The novel high-foot full zero-wall sofa iron frame according to claim 1, wherein: the seat frame mounting plate comprises a vertical plate, a panel is bent outwards from the top of the vertical plate, a first lug plate, a second lug plate and a third lug plate are arranged on the inner side face of the vertical plate, and the panel, the first lug plate, the second lug plate and the third lug plate are used for mounting the seat frame.
5. The novel high-foot full zero-wall sofa iron frame according to claim 4, wherein: the first lug plate, the second lug plate and the third lug plate are bending pieces, the first lug plate is riveted at the front part of the vertical plate, the second lug plate is riveted at the middle part of the vertical plate, and the third lug plate is riveted at the tail part of the vertical plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322213048.8U CN220459008U (en) | 2023-08-17 | 2023-08-17 | Novel high-foot complete zero-leaning wall sofa iron frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322213048.8U CN220459008U (en) | 2023-08-17 | 2023-08-17 | Novel high-foot complete zero-leaning wall sofa iron frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220459008U true CN220459008U (en) | 2024-02-09 |
Family
ID=89804320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322213048.8U Active CN220459008U (en) | 2023-08-17 | 2023-08-17 | Novel high-foot complete zero-leaning wall sofa iron frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220459008U (en) |
-
2023
- 2023-08-17 CN CN202322213048.8U patent/CN220459008U/en active Active
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