CN215959103U - Sofa with adjustable hardness - Google Patents
Sofa with adjustable hardness Download PDFInfo
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- CN215959103U CN215959103U CN202121830263.7U CN202121830263U CN215959103U CN 215959103 U CN215959103 U CN 215959103U CN 202121830263 U CN202121830263 U CN 202121830263U CN 215959103 U CN215959103 U CN 215959103U
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Abstract
The utility model discloses a hardness-adjustable sofa, which comprises: the supporting legs are arranged on the ground close to the wall surface; the supporting surface layer is fixedly arranged at the upper part of the supporting leg; the supporting frames are fixedly arranged on the edges of the two side surfaces and the back surface of the supporting surface layer; the backrest is fixedly arranged at the rear part of the supporting frame; the first sliding plate is arranged above the supporting surface layer in a padded mode and is positioned inside the supporting frame; a second sliding plate padded above the first sliding plate; the screw nut pair is connected between the second sliding plate and the supporting frame; the sofa cushion layer is lapped in the support frame; and the upper end of the spring layer is fixedly arranged at the lower end of the sofa cushion layer. The sofa is simple in structure and capable of achieving hardness adjustment of more than 2 gears.
Description
Technical Field
The utility model belongs to the technical field of indoor furniture, and particularly relates to a sofa with adjustable hardness.
Background
In modern family life, the sofa is the necessary furniture for placing in the living room, when the sofa is used, some people like the sofa with slightly hard hardness, and some people like the sofa with slightly soft hardness, and based on different requirements, some furniture research and development manufacturers invent the sofa with adjustable hardness.
For example, chinese utility model patent application No. CN201821252652.4 discloses a hardness-adjustable sofa, which comprises a sofa seat, a backrest, and a handrail, wherein the sofa seat comprises a bottom plate, a side plate, and a supporting cloth, the supporting cloth is parallel to the bottom plate, a first plate and a second plate parallel to the bottom plate are slidably connected to the side plate, a mounting hole is formed in the first plate, a spring is slidably connected to the mounting hole, one end of the spring passing through the first plate is fixedly connected to the second plate, a driving member for driving the first plate to move up and down is disposed on the bottom plate, a driving portion for driving the second plate to move up and down is disposed on the bottom plate, when a person wants to sit on a relatively hard sofa, the driving member drives the second plate to move down, the driving member drives the first plate to move up, and the first plate abuts against the supporting cloth; when a person wants to sit on a relatively soft sofa, the driving part drives the second plate to move upwards, the driving part drives the first plate to move downwards, one end of the spring is tightly propped against the surface of the supporting cloth, and the hardness of the sofa can be changed according to different requirements of different persons.
Above-mentioned prior art drives first board and drive division drive second board through the driving piece to the use of cooperation spring realizes the adjustable of sofa softness, has following technical problem in actual use:
only the interchange of two hardnesses can be realized;
the spring is directly connected with the second plate, so that noise is easily generated in use;
the sofa has a complex structure and is not easy to maintain.
Based on the technical problems in the prior art, the utility model provides a sofa with adjustable hardness.
SUMMERY OF THE UTILITY MODEL
The utility model provides a sofa with adjustable hardness.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an adjustable firmness sofa comprising:
the supporting legs are arranged on the ground close to the wall surface;
the supporting surface layer is fixedly arranged at the upper part of the supporting leg;
the supporting frames are fixedly arranged on the edges of the two side surfaces and the back surface of the supporting surface layer;
the backrest is fixedly arranged at the rear part of the supporting frame;
the first sliding plate is arranged above the supporting surface layer in a padded mode and is positioned inside the supporting frame;
the second sliding plate is padded above the first sliding plate, a plurality of parallel hardness adjusting plates are fixedly arranged on the second sliding plate, the hardness adjusting plates comprise 2-4 adjusting blocks with different hardness, and the width of the adjusting blocks is the same;
the screw nut pair is connected between the second sliding plate and the supporting frame;
the sofa cushion layer is lapped in the support frame;
the upper end of the spring layer is fixedly arranged at the lower end of the sofa cushion layer, the spring layer comprises spring groups with the same number as the hardness adjusting plates, the lower ends of the spring groups are close to the adjusting blocks, and the width of the lower ends of the spring groups is smaller than that of the adjusting blocks.
Furthermore, the sofa with adjustable hardness further comprises a fabric cushion layer, and the fabric cushion layer is paved on the upper portions of the sofa cushion layer and the supporting frame.
Furthermore, the sofa with adjustable hardness further comprises armrests, and the armrests are fixedly arranged on two side edges of the supporting frame.
Furthermore, the sofa with adjustable hardness further comprises armrests, the lower ends of the armrests are bonded to the side edges of the supporting frame, and the rear ends of the armrests are bonded to the backrest.
Further, the sofa cushion layer comprises a core layer and an outer cover covering the outer side of the core layer, and the core layer sequentially comprises a wear-resistant layer, a sponge layer, a latex layer and an artificial cotton surface layer from bottom to top.
Further, the hardness adjusting plate comprises 3 adjusting blocks with different hardness, and the 3 adjusting blocks are respectively made of silica gel, rubber and polymerized cork.
Furthermore, the inner side of the supporting frame is provided with a lap joint flange for supporting the sofa cushion layer.
Further, the spring group comprises a plurality of spring units arranged side by side, and the spring units are conical springs with wide upper parts and narrow lower parts.
Furthermore, the lower extreme of conical spring is equipped with the buffer block, the buffer block adopts the vulcanite material. Compared with the prior art, the utility model has the following advantages:
1. according to the hardness-adjustable sofa, the first sliding plate, the second sliding plate, the lead screw nut pair and the adjusting block are arranged in a matched mode, the position of the second sliding plate is adjusted through the lead screw nut pair, the structure is simple, the spring is laminated on the adjusting blocks with different hardness, and hardness adjustment of more than two gears is achieved;
2. according to the sofa with the adjustable hardness, the buffer block is arranged, so that the reaction force can be buffered, and the noise can be reduced.
Drawings
FIG. 1 is a schematic structural diagram of a sofa with adjustable firmness according to an embodiment of the utility model;
FIG. 2 is a schematic view of the structure of the support frame and the backrest in an embodiment of the present invention;
fig. 3 is a schematic structural view of a sofa cushion according to an embodiment of the present invention.
In the figure, 1-supporting leg, 2-supporting surface layer, 3-supporting frame, 31-lap joint flange, 4-backrest, 5-first sliding plate, 6-second sliding plate, 61-hardness adjusting plate, 611-adjusting block, 7-lead screw nut pair, 8-sofa cushion layer, 81-wear layer, 82-sponge layer, 83-emulsion layer, 84-artificial cotton surface layer, 9-spring layer, 91-spring group, 101-fabric cushion layer and 102-armrest.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments, it being understood that the embodiments and features of the embodiments of the present application can be combined with each other without conflict.
Examples
As shown in fig. 1-2, the sofa with adjustable hardness comprises:
the supporting legs 1 are arranged on the ground close to the wall surface;
the supporting surface layer 2 is fixedly arranged on the upper part of the supporting leg 1;
the supporting frames 3 are fixedly arranged on the edges of the two side surfaces and the back surface of the supporting surface layer 2;
the backrest 4 is fixedly arranged at the rear part of the support frame 3;
the first sliding plate 5 is arranged above the supporting surface layer 2 and positioned inside the supporting frame 3;
the second sliding plate 6 is padded above the first sliding plate 5, a plurality of hardness adjusting plates 61 which are arranged side by side are fixedly arranged on the second sliding plate 6, the hardness adjusting plates 61 comprise 2-4 adjusting blocks 611 with different hardness, and the widths of the adjusting blocks 611 are the same;
a screw nut pair 7 connected between the second slide plate 6 and the support frame 3;
a sofa cushion layer 8 lapped inside the supporting frame 3;
the upper end of the spring layer 9 is fixedly arranged at the lower end of the sofa cushion 8, the spring layer 9 comprises spring groups 91 with the same number as the hardness adjusting plates 61, the lower ends of the spring groups 91 are close to the adjusting block 611, and the width of the lower ends of the spring groups 91 is smaller than that of the adjusting block 611;
as shown in fig. 3, the sofa cushion layer 8 comprises a core layer and an outer cover coated on the outer side of the core layer, the core layer sequentially comprises a wear-resistant layer 81, a sponge layer 82, a latex layer 83 and an artificial cotton surface layer 84 from bottom to top, and the wear-resistant layer 81, the sponge layer 82, the latex layer 83 and the artificial cotton surface layer 84 are fixedly connected in a sewing or bonding manner;
the inner side of the supporting frame 3 is provided with a lap joint flange 31 for supporting the sofa cushion 8.
In the above embodiment, when the sofa cushion 8 is not pressed, the lower end of the spring group 91 is not in contact with the adjusting block 611, when the sofa cushion 8 is pressed, the whole sofa cushion 8 moves downward, so that the lower end of the spring group 91 abuts against the adjusting block 611, and the adjusting block 611 with different hardness is positioned at the lower end of the spring group 91 by adjusting the screw-nut pair 7, so that the hardness of the sofa is adjustable;
the supporting frame 3 is of a C-shaped enclosing structure, and a C-shaped supporting structure is formed on the supporting surface layer 2 by adopting a high-density sponge material;
the first sliding plate 5 and the second sliding plate 6 are made of wear-resistant steel plates, and lubricating oil is filled between the first sliding plate 5 and the second sliding plate 6 in order to facilitate mutual movement of the two wear-resistant steel plates;
the second sliding plate 6 is moved by driving the screw nut pair 7;
the wear-resistant layer 81 is made of hard brown materials;
the sponge layer 82 has a sponge density of 45kg/m3。
The sofa with adjustable hardness further comprises a fabric cushion layer 101, wherein the fabric cushion layer 101 is laid on the sofa cushion layer 8 and the upper portion of the supporting frame 3, and the fabric cushion layer 101 is adhered to the sofa cushion layer 8 through a magic tape for fixing.
In the above embodiment, the upper surface of the sofa cushion layer 8 is flush with the upper surface of the supporting frame 3, which is beneficial to laying the fabric cushion layer 101.
The sofa with adjustable hardness further comprises armrests 102, and the armrests 102 are fixedly arranged on two side edges of the supporting frame 3 in a movable splicing fixing mode.
In the above embodiments, the handle 102 is movably inserted to facilitate the insertion and removal of the handle 102.
The armrest 102 includes a sponge core layer and a fabric cover layer covering the sponge core layer.
The lower ends of the armrests 102 are bonded to the side edges of the support frame 3, and the rear ends of the armrests 102 are bonded to the backrest 4.
In the above embodiment, the armrests 102 fixedly connect the support frame 3 and the backrest 4, so that the sofa structure is more firm.
The hardness adjusting plate comprises 3 adjusting blocks 611 with different hardness, and the 3 adjusting blocks 611 are respectively made of silica gel, rubber and polymerized cork.
In the above embodiment, the hardness of silica gel, rubber and polymerized cork increases in proper order, and the bottom of spring layer 9 is pressed on the adjusting block of different materials, makes the sofa gear that three hardness is different can appear, spring unit 91 includes a plurality of spring unit that set up side by side, spring unit is narrow conical spring about the width.
The lower extreme of conical spring is equipped with the buffer block, the buffer block adopts the vulcanite material, and when someone sat on the sofa bed course 8, the buffer block can cushion conical spring's lower extreme contact the counter force of adjusting block 611 with reduce because the noise that the contact produced.
The present invention is not limited to the above-described embodiments, which are described in the specification and illustrated only for illustrating the principle of the present invention, but various changes and modifications may be made within the scope of the present invention as claimed without departing from the spirit and scope of the present invention. The scope of the utility model is defined by the appended claims.
Claims (9)
1. An adjustable-hardness sofa, comprising:
the supporting legs are arranged on the ground close to the wall surface;
the supporting surface layer is fixedly arranged at the upper part of the supporting leg;
the supporting frames are fixedly arranged on the edges of the two side surfaces and the back surface of the supporting surface layer;
the backrest is fixedly arranged at the rear part of the supporting frame;
the first sliding plate is arranged above the supporting surface layer in a padded mode and is positioned inside the supporting frame;
the second sliding plate is padded above the first sliding plate, a plurality of parallel hardness adjusting plates are fixedly arranged on the second sliding plate, the hardness adjusting plates comprise 2-4 adjusting blocks with different hardness, and the widths of the adjusting blocks are the same;
the screw nut pair is connected between the second sliding plate and the supporting frame;
the sofa cushion layer is lapped in the support frame;
the upper end of the spring layer is fixedly arranged at the lower end of the sofa cushion layer, the spring layer comprises spring groups with the same number as the hardness adjusting plates, the lower ends of the spring groups are close to the adjusting blocks, and the width of the lower ends of the spring groups is smaller than that of the adjusting blocks.
2. The adjustable sofa of claim 1, further comprising a fabric cushion layer, wherein the fabric cushion layer is layered on top of the sofa cushion layer and the support frame.
3. The adjustable sofa of claim 1, further comprising armrests fixedly disposed on both sides of the support frame.
4. The adjustable sofa of claim 1, further comprising armrests, wherein the lower ends of the armrests are bonded to the side edges of the support frame, and the rear ends of the armrests are bonded to the backrest.
5. The sofa of claim 1, wherein the sofa cushion comprises a core layer and an outer cover covering the outer side of the core layer, and the core layer comprises a wear-resistant layer, a sponge layer, a latex layer and an artificial cotton surface layer from bottom to top.
6. The sofa of claim 1, wherein the hardness adjusting plate comprises 3 adjusting blocks with different hardness, and the 3 adjusting blocks are made of silica gel, rubber and cork polymer.
7. The adjustable sofa of claim 1 wherein the support frame is provided with overlapping flanges on the inside for supporting the support frame.
8. The adjustable sofa of claim 1, wherein the spring assembly comprises a plurality of spring units arranged side by side, and the spring units are conical springs with a wide top and a narrow bottom.
9. The sofa of claim 8, wherein the conical spring has a bumper at a lower end thereof, and the bumper is made of vulcanized rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121830263.7U CN215959103U (en) | 2021-08-06 | 2021-08-06 | Sofa with adjustable hardness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121830263.7U CN215959103U (en) | 2021-08-06 | 2021-08-06 | Sofa with adjustable hardness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215959103U true CN215959103U (en) | 2022-03-08 |
Family
ID=80514179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121830263.7U Active CN215959103U (en) | 2021-08-06 | 2021-08-06 | Sofa with adjustable hardness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215959103U (en) |
-
2021
- 2021-08-06 CN CN202121830263.7U patent/CN215959103U/en active Active
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