CN209499212U - A kind of sofa with adjustable backrest meeting ergonomics - Google Patents
A kind of sofa with adjustable backrest meeting ergonomics Download PDFInfo
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- CN209499212U CN209499212U CN201920032657.4U CN201920032657U CN209499212U CN 209499212 U CN209499212 U CN 209499212U CN 201920032657 U CN201920032657 U CN 201920032657U CN 209499212 U CN209499212 U CN 209499212U
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- sofa
- backrest
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Abstract
The utility model relates to the technical fields of sofa, more particularly, to a kind of sofa with adjustable backrest for meeting ergonomics, including cushion and the backrest being mounted on above the cushion, the side of cushion is provided with handrail block, cushion is provided with support plate far from the side of the handrail block, the support plate side opposite with handrail block is provided with fixing axle, the two sides of backrest offer the rotation slot for being embedded and being rotatablely connected for the fixing axle, the length of backrest is greater than the thickness of the backrest, is provided with the limit assembly limited to the rotation of cushion in fixing axle and rotation slot.When leg, longer people is sitting on sofa, can directly it rest on by back, and foot can support on the ground, more comfortably；When leg, shorter people is sitting on sofa, by rotating backrest, so that backrest fold-down, since the length of backrest is greater than the thickness of backrest, the people for facilitating leg shorter rests on by back, while foot can support on the ground so that the shorter people in leg sit it is more comfortable on sofa.
Description
Technical field
The utility model relates to the technical fields of sofa, more particularly, to a kind of adjustable sand of backrest for meeting ergonomics
Hair.
Background technique
Sofa is furniture common in daily life, more comfortable in order to make one to take, most of modern sofa tool
There is backrest, when being sitting on sofa for people, can be leaned on, improve the comfort of sofa.
In the prior art, it in order to keep sofa to the excellent support of human body, is usually provided in the side of sofa for people
The backrest of back-resting, and everyone stature is different, especially leg grows shorter people, when being sitting on sofa, rests on backrest
When upper, foot is difficult to land, and when foot lands, back is difficult to rest on by back again.People is given in thus fixed backrest setting
The use of sofa is inconvenient in real life.
Utility model content
The purpose of the utility model is to provide a kind of sofa with adjustable backrest for meeting ergonomics, which is characterized in that husky
The backrest of hair is adjustable, uses sofa to adapt to the people of different statures.
The above-mentioned purpose of utility model of the utility model has the technical scheme that
A kind of sofa with adjustable backrest meeting ergonomics, including cushion and the backrest that is mounted on above the cushion,
The side of the cushion is provided with handrail block, and the cushion is provided with support plate, the support far from the side of the handrail block
The plate side opposite with the handrail block is provided with fixing axle, the two sides of the backrest offer be embedded for the fixing axle and
The rotation slot of rotation connection, the length of the backrest are greater than the thickness of the backrest, set in the fixing axle and the rotation slot
It is equipped with the limit assembly limited to the rotation of cushion.
By using above-mentioned technical proposal, people, which is sitting on sofa, can be rested on by back, promoted people and be sitting in relaxing on sofa
Appropriateness；By the setting of handrail, when people is sitting on sofa, arm be can be placed on handrail block, is further improved people and is sitting in sand
Comfort level on hair.When leg, longer people is sitting on sofa, can directly it rest on by back, and foot can be supported on ground
On face, more comfortably；When leg, shorter people is sitting on sofa, by rotating backrest, so that backrest fold-down, due to backrest
Length is greater than the thickness of backrest, and when being sitting on sofa because of behaviour, back is closer apart from backrest, and the people for facilitating leg shorter rests on
By back, while foot can support on the ground so that the shorter people in leg sit it is more comfortable on sofa.Pass through limit assembly
Setting, the rotational angle of backrest is limited, so that backrest no matter is in flattened state or vertical state is able to maintain
Stablize, improves the reliability of sofa.
Preferably, the fixing axle includes close to the rotation section of the rotation trench bottom and far from the rotation trench bottom
Limiting section, the rotation section and rotation slot clearance fit
By using above-mentioned technical proposal, rotation section and rotation slot clearance fit, rotation section are supported rotation slot, from
And the support to backrest is realized, improve the stability of backrest installation.Meanwhile by the setting of limiting section, backrest is improved
The stability of rotation.
Preferably, rolling bearing is arranged on the rotation section, the outer wall of the rolling bearing and the rotation slot mistake
It is full of cooperation.
By using above-mentioned technical proposal, by the setting of rolling bearing, the load-bearing capacity of fixing axle is on the one hand improved,
On the other hand by the setting of rolling bearing, reduce the friction between fixing axle and rotation slot, to extend making for sofa
Use the service life.
Preferably, the limit assembly includes being set to the limited block of limiting section surface and being opened in rotation slot side
Wall and the limiting slot that the limiting section is limited.
By using above-mentioned technical proposal, when backrest rotation, rotation slot and limiting slot and fixing axle is driven to occur opposite
Rotation, when limiting slot turns to certain angle, the side wall for limiting fast side wall and limiting slot is abutted against, to realize to leaning on
The limit for carrying on the back rotational angle improves the stability of backrest rotation.
Preferably, the end of the limited block is slidably connected with the limiting slot.
It by using above-mentioned technical proposal, is slidably connected by the end and limiting slot of limited block, to ensure that limit
During relatively rotating fastly with limiting slot, limited block contacts support with limiting slot always, to improve backrest rotation
Stability.
Preferably, the end of the limited block is the arc to fit with the bottom of the limiting slot.
By using above-mentioned technical proposal, the end by limited block limited block is the setting of arc, increases limited block
With the contact area of limiting slot, to improve limited block and stability that limiting slot relatively rotates.
Preferably, the end of the limited block is provided with the ball for abutting against rolling with the bottom of limiting slot.
The sliding friction between limited block and limiting slot is turned by the setting of ball by using above-mentioned technical proposal
Become rolling friction, so that the friction between limited block and limiting slot is reduced, so that the rotation of limited block and limiting slot is more
It is smooth.
Preferably, the limiting slot to the limited block carry out abut limit both ends be provided with to the limited block into
The Buffer Unit of row buffering.
By using above-mentioned technical proposal, by the setting of Buffer Unit, so that limited block is connected to limiting slot in rotation
Side wall on when, the movement of limited block is buffered, to reduce impact of the limited block to limiting slot, extends sofa
Service life.
Preferably, the Buffer Unit includes the cushion for being pasted on limiting slot both ends.
By using above-mentioned technical proposal, by the setting of cushion, when limited block is mobile and is connected on cushion,
When limited block touches cushion, cushion converts the kinetic energy of limited block to the elastic potential energy of itself, to rapidly reduce
The movement speed of limited block, achievees the effect that buffering.
Preferably, the Buffer Unit includes being set to the buffer spring at limiting slot both ends and being installed on the buffering elastic
The buffer board of spring end.
By using above-mentioned technical proposal, by the setting of buffer spring and buffer board, buffer board is touched in limited block
When, by the compression of buffer spring, the kinetic energy of limited block is converted into elastic potential energy, to reduce the mobile speed of limited block
Degree has achieved the effect that buffering.
In conclusion the advantageous effects of the utility model are as follows:
1. people, which is sitting on sofa, can rest on by back, promotes people and be sitting in the comfort level on sofa；By the setting of handrail,
When people is sitting on sofa, arm be can be placed on handrail block, further improve the comfort level that people is sitting on sofa；
2. longer people is sitting on sofa when leg, can directly it rest on by back, and foot can be supported on ground
On, more comfortably；When leg, shorter people is sitting on sofa, by rotating backrest, so that backrest fold-down, due to the length of backrest
Degree is greater than the thickness of backrest, and when being sitting on sofa because of behaviour, back is closer apart from backrest, and the people for facilitating leg shorter, which rests on, to lean on
Back, while foot can support on the ground so that the shorter people in leg sit it is more comfortable on sofa；
3. being limited by the setting of limit assembly to the rotational angle of backrest, so that no matter backrest, which is in, is laid flat shape
State or vertical state are able to maintain stabilization, improve the reliability of sofa.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of sofa in embodiment one；
Fig. 2 is the structural schematic diagram of fixing axle in embodiment one；
Fig. 3 is the enlarged drawing in Fig. 2 at A；
Fig. 4 is the structural schematic diagram of rotation slot in embodiment one；
Fig. 5 is the enlarged drawing in Fig. 4 at B；
Fig. 6 is the structural schematic diagram of limit assembly in embodiment two.
In figure, 1, cushion；2, handrail block；3, backrest；31, rotation slot；4, support plate；5, fixing axle；51, rotation section；52,
Limiting section；53, rolling bearing；6, Buffer Unit；61, cushion；62, buffer spring；63, buffer board；7, limit assembly；71,
Limited block；711, ball；72, limiting slot.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment one,
It is a kind of sofa with adjustable backrest for meeting ergonomics disclosed by the utility model, including cushion referring to attached drawing 1
1, it is bolted on the handrail block 2 of 1 side of cushion and is mounted on the backrest 3 of 1 top of cushion.
Referring to attached drawing 1 and attached drawing 2, cushion 1 and handrail block 2 are in cuboid, and the height of handrail block 2 is higher than cushion 1
Highly.Cushion 1 has been bolted support plate 4 far from the side of handrail block 2.The setting along the vertical direction of support plate 4 and branch
The lower part of fagging 4 is fixedly connected with cushion 1, and the top of support plate 4 side opposite with handrail block 2 is welded with fixing axle 5, and two
The setting of 5 centrosymmetric of fixing axle.
Referring to attached drawing 4 and attached drawing 5, the two sides of backrest 3 offer the rotation slot 31 for being embedded and being rotatablely connected for fixing axle 5.
Referring to attached drawing 2 and attached drawing 3, fixing axle 5 includes close to the rotation section 51 of 31 bottom of rotation slot and far from rotation slot 31
The limiting section 52 of bottom.Rolling bearing 53 is arranged on rotation section 51, the rolling bearing 53 in the present embodiment is 711 axis of ball
It holds, can also be other kinds of bearing.The outer wall of rolling bearing 53 and rotation slot 31 are interference fitted, the inner wall of rolling bearing 53 with
51 clearance fit of rotation section.Limit assembly 7 is provided between fixing axle 5 and rotation slot 31.
The diameter of limiting section 52 is consistent with the diameter of rotation section 51, and limit assembly 7 includes the circumferential surface for being welded in limiting section 52
On and to far from the limited block 71 extended at 52 center of limiting section and the limiting slot 72 being opened on 31 inner wall of rotation slot, limit
Slot 72 is arc and is opened on inner wall of the rotation slot 31 far from support plate 4 and handrail block 2 that limiting slot 72 and rotation slot 31 are same
Heart setting.The end of limited block 71 is the arc to fit with limiting slot 72, and limited block 71 is slidably connected with limiting slot 72.
The end of limited block 71 is embedded with ball 711, and limited block 71 is slidably connected by ball 711 with limiting slot 72.It is logical
Sliding friction between limited block 71 and limiting slot 72 is changed into rolling friction by the setting for crossing ball 711, to reduce limit
Friction between position block 71 and limiting slot 72, so that limited block 71 and the rotation of limiting slot 72 are more smooth.
The both ends of limiting slot 72 are provided with the Buffer Unit 6 buffered to limited block 71, in the present embodiment, Buffer Unit
6 be the cushion 61 for being pasted on 72 both ends of limiting slot, and cushion 61 is made of elastic material, and rubber system is used in the present embodiment
At.When limited block 71 is mobile and is connected on cushion 61, when limited block 71 touches cushion 61, cushion 61 will be limited
The kinetic energy of block 71 is converted into the elastic potential energy of itself, to rapidly reduce the movement speed of limited block 71, reaches the effect of buffering
Fruit.
The implementation principle of the present embodiment are as follows: people, which is sitting on sofa, can rest on backrest 3, promote people and be sitting in relaxing on sofa
Appropriateness；By the setting of handrail, when people is sitting on sofa, arm be can be placed on handrail block 2, is further improved people and is sitting in sand
Comfort level on hair.When leg, longer people is sitting on sofa, can directly it rest on backrest 3, and foot can be supported on
On ground, more comfortably；When leg, shorter people is sitting on sofa, by rotating backrest 3, so that backrest 3 is laid flat, due to leaning on
The length of back 3 is greater than the thickness of backrest 3, and when being sitting on sofa because of behaviour, back is closer apart from backrest 3, facilitates leg shorter
People rests on backrest 3, while foot can support on the ground so that the shorter people in leg sit it is more comfortable on sofa.It is logical
The setting for crossing limit assembly 7 limits the rotational angle of backrest 3, so that no matter backrest 3 is in flattened state or vertical
State is able to maintain stabilization, improves the reliability of sofa.
Embodiment two,
Referring to attached drawing 6, the present embodiment is different from the structure that embodiment one is only different from Buffer Unit 6, in the present embodiment, delays
Rushing component 6 includes the buffer spring 62 for being welded in limit both ends and the buffer board 63 for being welded in 62 end of buffer spring.It is limiting
When block 71 touches buffer board 63, by the compression of buffer spring 62, the kinetic energy of limited block 71 is converted into elastic potential energy, thus
The movement speed for reducing limited block 71 has achieved the effect that buffering.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (10)
1. a kind of sofa with adjustable backrest for meeting ergonomics including cushion (1) and is mounted on leaning on above the cushion (1)
It carries on the back (3), it is characterised in that: the side of the cushion (1) is provided with handrail block (2), and the cushion (1) is far from the handrail block
(2) side is provided with support plate (4), and the support plate (4) and the opposite side of the handrail block (2) are provided with fixing axle
(5), the two sides of the backrest (3) offer the rotation slot (31) for being embedded and being rotatablely connected for the fixing axle (5), the backrest
(3) length is greater than the thickness of the backrest (3), is provided in the fixing axle (5) and the rotation slot (31) to cushion (1)
The limit assembly (7) that is limited of rotation.
2. a kind of sofa with adjustable backrest for meeting ergonomics according to claim 1, it is characterised in that: the fixation
Axis (5) includes the rotation section (51) close to the rotation slot (31) bottom and the limiting section far from the rotation slot (31) bottom
(52), the rotation section (51) and rotation slot (31) clearance fit.
3. a kind of sofa with adjustable backrest for meeting ergonomics according to claim 2, it is characterised in that: the rotation
It is arranged in portion (51) rolling bearing (53), the outer wall of the rolling bearing (53) and the rotation slot (31) are interference fitted.
4. a kind of sofa with adjustable backrest for meeting ergonomics according to claim 2, it is characterised in that: the limit
Component (7) includes being set to the limited block (71) of limiting section (52) surface and being opened in rotation slot (31) side wall and to described
The limiting slot (72) that limiting section (52) is limited.
5. a kind of sofa with adjustable backrest for meeting ergonomics according to claim 4, it is characterised in that: the limit
The end of block (71) is slidably connected with the limiting slot (72).
6. a kind of sofa with adjustable backrest for meeting ergonomics according to claim 5, it is characterised in that: the limit
The end of block (71) is the arc to fit with the bottom of the limiting slot (72).
7. a kind of sofa with adjustable backrest for meeting ergonomics according to claim 5, it is characterised in that: the limit
The end of block (71), which is provided with, abuts against the ball (711) of rolling with the bottom of limiting slot (72).
8. a kind of sofa with adjustable backrest for meeting ergonomics according to claim 5, it is characterised in that: the limit
The both ends that slot (72) abut limit to the limited block (71) are provided with the buffering buffered to the limited block (71)
Component (6).
9. a kind of sofa with adjustable backrest for meeting ergonomics according to claim 8, it is characterised in that: the buffering
Component (6) includes the cushion (61) for being pasted on limiting slot (72) both ends.
10. a kind of sofa with adjustable backrest for meeting ergonomics according to claim 8, it is characterised in that: described slow
Rushing component (6) includes being set to the buffer spring (62) at limiting slot (72) both ends and being installed on the buffer spring (62) end
Buffer board (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920032657.4U CN209499212U (en) | 2019-01-07 | 2019-01-07 | A kind of sofa with adjustable backrest meeting ergonomics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920032657.4U CN209499212U (en) | 2019-01-07 | 2019-01-07 | A kind of sofa with adjustable backrest meeting ergonomics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209499212U true CN209499212U (en) | 2019-10-18 |
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ID=68200111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920032657.4U Active CN209499212U (en) | 2019-01-07 | 2019-01-07 | A kind of sofa with adjustable backrest meeting ergonomics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209499212U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114847707A (en) * | 2022-04-10 | 2022-08-05 | 李辉 | Sofa |
-
2019
- 2019-01-07 CN CN201920032657.4U patent/CN209499212U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114847707A (en) * | 2022-04-10 | 2022-08-05 | 李辉 | Sofa |
| CN114847707B (en) * | 2022-04-10 | 2023-08-15 | 杭州缔高家具制造有限公司 | Sofa |
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