CN219762908U - Sofa chair with hidden backrest - Google Patents
Sofa chair with hidden backrest Download PDFInfo
- Publication number
- CN219762908U CN219762908U CN202320736507.8U CN202320736507U CN219762908U CN 219762908 U CN219762908 U CN 219762908U CN 202320736507 U CN202320736507 U CN 202320736507U CN 219762908 U CN219762908 U CN 219762908U
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- China
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- sofa
- backrest
- connecting rod
- base frame
- adjusting connecting
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- 230000009471 action Effects 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 9
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 241000345998 Calamus manan Species 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 235000012950 rattan cane Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model discloses a hidden backrest couch, which relates to the technical field of couch, and comprises a sofa backrest, wherein a sofa base frame is arranged on one side of the sofa backrest, the sofa backrest is in sliding connection with the sofa base frame, a sofa seat is also in sliding connection with the sofa base frame, an adjusting connecting rod I is rotatably connected to the side wall of the sofa base frame, and a rotating roller in contact with the sofa seat is connected to one end of the adjusting connecting rod I. According to the utility model, through the mutual matching among the sofa backrest, the sofa base frame, the sofa seat, the first adjusting connecting rod, the rotary roller and the second adjusting connecting rod, the sofa backrest automatically rises under the drive of the first adjusting connecting rod, the rotary roller and the adjusting connecting rod after being seated on the sofa seat, and then can automatically descend and reset under the action of gravity after a human body stands up, so that the sofa backrest does not need to be adjusted intentionally, and has the advantages of simple integral structure, difficult damage, flexible design and convenience for a user to use.
Description
Technical Field
The utility model relates to the technical field of couch, in particular to a hidden backrest couch.
Background
The sofa is a soft-cushion multi-seat chair, the two sides of the sofa are provided with armrests, the sofa can be said to be a modified form of the sofa, most modern commonly-known sofa is a single seat with a backrest, the existing sofa can be divided into leather sofa, cloth sofa, metal sofa, rattan sofa, solid wood sofa and the like according to manufacturing materials of the existing sofa, and the sofa is more and more popular with young people.
Traditional couch back with hide function is expanding or is accomodating the time, needs the regulation of artificial deliberately, and some are manual regulation, also some are electric adjustment, and manual regulation process is comparatively complicated, and some people who use newly adjust more difficulty moreover, and electric adjustment's mode, in case power device appears damaging, will lead to appearing unable condition of adjusting, use cost increases.
Disclosure of Invention
The utility model aims to solve the problems that a sofa backrest with a hiding function in the prior art needs to be adjusted manually and intentionally, is difficult to adjust manually and is easy to damage in electric adjustment when being unfolded or stored.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the hidden backrest couch comprises a sofa backrest, a sofa base frame is arranged on one side of the sofa backrest, the sofa backrest is in sliding connection with the sofa base frame, a sofa seat is further connected onto the sofa base frame in a sliding manner, an adjusting connecting rod I is rotationally connected onto the side wall of the sofa base frame, a rotating roller in contact with the sofa seat is connected onto one end of the adjusting connecting rod I, an adjusting connecting rod II is rotationally connected onto the other end of the adjusting connecting rod I, and one end of the adjusting connecting rod II, which is far away from the adjusting connecting rod I, is rotationally connected with the bottom end of the sofa backrest.
As a further description of the above technical solution:
the sofa base frame one side is equipped with a plurality of slip erection column one, sofa back bottom is equipped with a plurality of slip erection cover one, a plurality of slip erection cover one-to-one slip cup joints in a slip erection column surface.
As a further description of the above technical solution:
and the second adjusting connecting rod is rotationally connected with the side wall of the bottom of the first sliding mounting sleeve.
As a further description of the above technical solution:
the sofa base frame one side is equipped with a plurality of slip erection column two, the couch seat bottom is equipped with a plurality of slip erection cover two, a plurality of slip erection cover two one-to-one's slip cup joints in slip erection column external surface.
As a further description of the above technical solution:
the bottom of the sofa seat is provided with a plane bulge, and the rotary roller is tangent and restrained with the plane of the lower surface of the plane bulge.
The utility model has the following beneficial effects:
compared with the prior art, the hidden backrest couch is characterized in that the backrest automatically ascends under the drive of the first adjusting connecting rod, the second rotating roller and the adjusting connecting rod after being seated on the couch seat through the mutual matching of the backrest, the sofa base frame, the couch seat, the first adjusting connecting rod, the first rotating roller and the second adjusting connecting rod, and then the backrest automatically descends and resets under the action of gravity after standing up, so that the sofa backrest does not need to be adjusted intentionally, and the sofa backrest has the advantages of simple integral structure, difficult damage, flexible design and convenience for users.
Drawings
Fig. 1 is a schematic perspective view of a hidden backrest couch according to a first perspective view;
fig. 2 is a schematic view of a second perspective view of the hidden back rest sofa according to the present utility model;
FIG. 3 is a side view of a hidden back rest couch according to the present utility model;
FIG. 4 is a cross-sectional view of a hidden back rest couch of the present utility model before deformation;
FIG. 5 is a cross-sectional view of a variation of a hidden back rest couch according to the present utility model;
fig. 6 is a cross-sectional view of a deformed hidden back rest couch according to the present utility model.
Legend description:
1. a sofa backrest; 101. the first sliding mounting sleeve is arranged; 2. a sofa base frame; 201. a first sliding mounting column; 202. a second sliding mounting column; 3. a couch seat; 301. a second sliding mounting sleeve; 302. a planar protrusion; 4. adjusting a first connecting rod; 5. rotating the roller; 6. and adjusting a second connecting rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, the present utility model provides a hidden back couch: including sofa back 1, sofa back 1 one side is equipped with sofa base frame 2, sofa back 1 and sofa base frame 2 sliding connection, still sliding connection has sofa seat 3 on the sofa base frame 2, sofa base frame 2 lateral wall swivelling joint has adjusting link one 4, adjusting link one 4 one end is connected with the rotatory gyro wheel 5 that contacts with sofa seat 3, sofa seat 3 bottom is equipped with plane arch 302, rotatory gyro wheel 5 and the tangent constraint of plane arch 302 lower surface plane can remain the contact state with rotatory gyro wheel 5 throughout when plane arch 302 reciprocates, both can not break away from, adjusting link one 4 other end swivelling joint has adjusting link two 6, adjusting link two 6 keep away from adjusting link one 4 end and sofa back 1 bottom swivelling joint, wherein, adjusting link one 4, adjusting link two 6 and rotatory gyro wheel 5's connection is shown with reference fig. 4, be equipped with the support body that is used for installing adjusting link one 4 on base frame 2, adjusting link one 4 is through the round pin axle and the support body lateral wall swivelling joint that corresponds.
Specifically, a plurality of first sliding installation columns 201 are arranged on one side of the sofa base frame 2, a plurality of first sliding installation sleeves 101 are arranged at the bottom of the sofa backrest 1, sliding sleeves corresponding to the first sliding installation columns 101 one by one are sleeved on the outer surface of the first sliding installation columns 201, the second adjusting connecting rod 6 is rotatably connected with the side wall of the bottom of the first sliding installation sleeves 101, a plurality of second sliding installation columns 202 are arranged on one side of the sofa base frame 2, a plurality of second sliding installation sleeves 301 are arranged at the bottom of the sofa seat 3, sliding sleeves corresponding to the second sliding installation sleeves 301 one by one are sleeved on the outer surface of the second sliding installation columns 202, and therefore stability of the sofa backrest 1 and the sofa seat 3 during overall up-down movement can be effectively guaranteed.
The utility model can explain its functional principle by the following modes of operation:
when the sofa is in a free state, namely, the surface of the sofa seat 3 is not loaded, the state is shown in fig. 1, the sofa seat 3 and the sofa backrest 1 are in a flush state, the sofa backrest 1 is in a hidden state, and the sofa is the backrest hidden type sofa.
When a person sits on the sofa seat 3, the sofa seat 3 starts to bear a load, at this time, the whole sofa seat 3 starts to move downwards, the plane bulge 302 in the downward movement drives the corresponding side of the first adjusting connecting rod 4 to move downwards through the rotating roller 5, correspondingly, the other side of the first adjusting connecting rod 4 pulls the second adjusting connecting rod 6 to move upwards, and the second adjusting connecting rod 6 drives the whole sofa backrest 1 to move upwards through the first sliding mounting sleeve 101, and the ascending state of the sofa backrest 1 is shown by referring to fig. 5.
After the human body is completely seated on the couch seat 3, the couch seat 3 stops moving downwards, and the sofa backrest 1 stops rising, as shown in fig. 6, at this time, the sofa backrest 1 and the couch seat 3 are dislocated up and down, and the rising sofa backrest 1 can effectively support the back of the human body, so that the comfort level of the human body in sitting is improved.
After a human body stands up from the sofa seat 3, the sofa backrest 1 slides downwards along the first sliding mounting column 201 under the action of gravity, at the moment, the first sliding mounting sleeve 101 drives the second adjusting connecting rod 6 to move downwards corresponding to one side, the other end of the second adjusting connecting rod 6 drives the first adjusting connecting rod 4 to move downwards connected with the first adjusting connecting rod, and the other side of the first adjusting connecting rod 4 pushes the plane bulge 302 and the sofa seat 3 to move upwards integrally through the rotating roller 5 until the sofa backrest 1 and the sofa seat 3 reset to the flush state shown in fig. 1 so as to be used next time, namely, the lifting of the sofa backrest 1 in the sofa seat is not required to be adjusted intentionally, and the use cost of the sofa seat is effectively reduced due to the whole structural design and simple operation.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (5)
1. The hidden backrest couch comprises a sofa backrest (1), and is characterized in that: the sofa backrest is characterized in that a sofa base frame (2) is arranged on one side of the sofa backrest (1), the sofa backrest (1) is in sliding connection with the sofa base frame (2), a sofa seat (3) is further connected to the sofa base frame (2) in a sliding manner, an adjusting connecting rod I (4) is rotationally connected to the side wall of the sofa base frame (2), a rotating roller (5) in contact with the sofa seat (3) is connected to one end of the adjusting connecting rod I (4), an adjusting connecting rod II (6) is rotationally connected to the other end of the adjusting connecting rod I (4), and one end of the adjusting connecting rod II (6) is far away from the adjusting connecting rod I (4) to be rotationally connected with the bottom end of the sofa backrest (1).
2. The concealed back rest couch of claim 1, wherein: the sofa is characterized in that a plurality of first sliding mounting columns (201) are arranged on one side of the sofa base frame (2), a plurality of first sliding mounting sleeves (101) are arranged at the bottom of the sofa backrest (1), and the sliding mounting sleeves (101) are sleeved on the outer surfaces of the first sliding mounting columns (201) in a one-to-one corresponding sliding mode.
3. The concealed back rest couch of claim 2, wherein: the second adjusting connecting rod (6) is rotatably connected with the side wall of the bottom of the first sliding mounting sleeve (101).
4. The concealed back rest couch of claim 1, wherein: a plurality of second sliding mounting columns (202) are arranged on one side of the sofa base frame (2), a plurality of second sliding mounting sleeves (301) are arranged at the bottom of the sofa base frame (3), and a plurality of second sliding mounting sleeves (301) are sleeved on the outer surfaces of the second sliding mounting columns (202) in a one-to-one corresponding sliding mode.
5. The concealed back rest couch of claim 1, wherein: the bottom of the couch seat (3) is provided with a plane bulge (302), and the rotary roller (5) is tangent and restrained with the plane of the lower surface of the plane bulge (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320736507.8U CN219762908U (en) | 2023-04-06 | 2023-04-06 | Sofa chair with hidden backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320736507.8U CN219762908U (en) | 2023-04-06 | 2023-04-06 | Sofa chair with hidden backrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219762908U true CN219762908U (en) | 2023-09-29 |
Family
ID=88105322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320736507.8U Active CN219762908U (en) | 2023-04-06 | 2023-04-06 | Sofa chair with hidden backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219762908U (en) |
-
2023
- 2023-04-06 CN CN202320736507.8U patent/CN219762908U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |