CN209995721U - novel chair back - Google Patents
novel chair back Download PDFInfo
- Publication number
- CN209995721U CN209995721U CN201920528162.0U CN201920528162U CN209995721U CN 209995721 U CN209995721 U CN 209995721U CN 201920528162 U CN201920528162 U CN 201920528162U CN 209995721 U CN209995721 U CN 209995721U
- Authority
- CN
- China
- Prior art keywords
- backrest
- support
- fixed
- protrusion
- supporting
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 239000013013 elastic material Substances 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 13
- 230000007704 transition Effects 0.000 claims description 6
- 125000006850 spacer group Chemical group 0.000 claims 3
- 230000008878 coupling Effects 0.000 abstract description 4
- 238000010168 coupling process Methods 0.000 abstract description 4
- 238000005859 coupling reaction Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 210000002414 leg Anatomy 0.000 description 12
- 230000003139 buffering effect Effects 0.000 description 8
- 239000003292 glue Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 229920001875 Ebonite Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Abstract
The utility model relates to an kind of novel chair backs, which comprises a backrest, the back comprises back support and the back body, back support mounting on the seat support, the back body is made by elastic material, and this back body comprises back part and waist part, and excessive position between this back part and the waist part is interior convex arc column structure, back body bottom is fixed on the seat support, and is fixed through coupling assembling mutual erection between the back that lies in arc column structure upper portion position and the back support, when making back part swing back and forth, arc column structure between back part and the waist part is fixed with the seat support and is contacted with human waist atress under the effect that back and back support of back body are fixed bottom the back and the seat support.
Description
Technical Field
The utility model relates to kinds of furniture, in particular to a backrest structure of kinds of seats.
Background
Present seat back is the fixed body of fixed mounting atress on the seat support, this fixed body including backplate or and cushion, for making the back have support function to the waist, be provided with interior convex arc structure in the lower part of back, but this arc structure is fixed unchangeable, along with the back hypsokinesis, interior convex arc structure can lose the effect of supporting the waist gradually, difficult in order to play the effect of alleviating fatigue to the waist, the lumbar vertebrae is still impaired easily when sitting for a long time, it is healthy not to utilize to live in person.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing novel chair backrests in order to solve the technical problems of the prior chair backrests.
The utility model discloses the purpose can be realized through following technical scheme:
A novel chair backrest comprises a backrest, wherein the backrest is composed of a backrest support and a backrest body, the backrest support is installed on a chair seat, the backrest body is made of elastic materials, the backrest body is composed of a back part and a waist part, the transition position between the back part and the waist part is an inward convex arc-shaped structure, the bottom of the backrest body is fixed on the chair seat, the back part and the backrest support which are positioned at the upper part of the arc-shaped structure are mutually installed and fixed through a connecting component, and when the back part swings back and forth, the arc-shaped structure between the back part and the waist part is in stressed contact with the waist of a human body under the fixing action of the bottom of the backrest body and the chair seat and the fixing action of the back part and the backrest support.
The utility model discloses the purpose can also be realized through following technical scheme:
, the backrest bracket is composed of a fixed base and two supporting legs, the supporting legs are provided with mounting bulges with mounting blind holes, and the side walls of the mounting blind holes are provided with clamping holes.
, the backrest support is further provided with an armrest which is mounted on the fixed base to form a body structure with the fixed base and the supporting feet.
, the connecting member is positioned at a central location of the back portion.
step by step, coupling assembling separate by the buffering glue, connecting piece and screw are constituteed, the buffering glue separates to establish between the hookup location of back support and the back body, the connecting piece comprises ring body and a plurality of evagination latch, the evagination latch annular distributes on ring body side, and this evagination latch annular distributes the external diameter size and corresponds with the installation blind hole, connecting piece side pass the ring body through the screw and install on the back, side in addition passes through the evagination latch chucking on the installation blind hole and the card hole of back support.
, a backrest protrusion is arranged on the backrest body, a screw hole and a positioning hole are arranged on the backrest protrusion, a positioning protrusion is arranged on the ring body side, the positioning protrusion is correspondingly matched with the positioning hole, and the connecting piece is fixed on the backrest body through a screw and the screw hole of the backrest protrusion in a threaded connection mode.
, the buffer rubber is annular rubber block, end of the annular rubber block is sleeved on the mounting protrusion of the supporting leg, and end is sleeved on the backrest protrusion of the backrest body, and a buffer space is reserved between the backrest support and the backrest body.
, the supporting foot comprises an upper supporting part and a lower supporting part, the transition position between the upper supporting part and the lower supporting part is an inward convex arc-shaped supporting structure, and the upper supporting part-and the lower supporting part of the supporting foot correspond to the back part and the waist part of the backrest body.
, the supporting feet and the armrests form inclined U-shaped structures.
The utility model has the following outstanding substantive characteristics and remarkable progress:
1. the utility model discloses a back body is made by the elastic material, this back body bottom is fixed on the seat support, it is fixed through coupling assembling inter-mount between the back that lies in arc column structure upper portion position and the back support, when making back part swing back and forth, arc column structure between back part and the waist is fixed with the seat support and is contacted with human waist atress under the effect that back body bottom and seat support are fixed and back body are fixed with the back and back support.
2. The utility model discloses a back support comprises unable adjustment base and two supporting legss, is equipped with the installation arch of taking the installation blind hole on the supporting legs, is equipped with the card hole on installation blind hole lateral wall, and coupling assembling separates, connecting piece and screw by the buffering glue, the buffering glue separates to establish between the hookup location of back support and the back body, the connecting piece comprises ring form and a plurality of evagination latch, evagination latch annular distribution is on ring form side, and this evagination latch annular distribution external diameter size corresponds with the installation blind hole, connecting piece side pass through the screw and install on the back, the connecting piece side passes the evagination latch chucking in addition on the installation blind hole and the card hole of back support, from this installation time quick joint is fixed, and the screw does not expose, and the installation is simple and convenient, and the aesthetic property is good.
3. The utility model discloses a buffering is glued and is separated to annular rubber piece, and this annular rubber piece end suit is protruding in the installation of supporting legs, and end suit is protruding on the back of the back body in addition to make and reserve between back support and the back body and have the buffering interval, from this, when the back hypsokinesis, glue the interact that separates the buffering through interval and buffering, better messenger's back hypsokinesis, and when the back body hypsokinesis, the arc column structure forms bigger radian better and supports human waist.
4. The utility model discloses a back support still is equipped with the handrail, and this handrail is installed and is formed style structures with unable adjustment base and supporting legs on unable adjustment base, consequently, simple structure, simple to operate.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is an enlarged view at a of fig. 1.
Fig. 3 is an installation schematic diagram of the connection assembly according to the embodiment of the present invention.
Fig. 4 is a schematic view of the structure installation of the embodiment of the present invention.
Detailed Description
The present invention will be described in further detail in with reference to the accompanying drawings.
Referring to fig. 1 to 4, there are novel chair backs, which include a backrest 1, the backrest 1 is composed of a backrest support 2 and a backrest body 3, the backrest support 2 is mounted on a chair seat 4, the backrest body 3 is made of elastic material, such as steel plate or hard rubber, the backrest body 3 is composed of a back portion 31 and a waist portion 32, the transition position between the back portion 31 and the waist portion 32 is an inward convex arc-shaped structure 33, the bottom of the backrest body 3 is fixed on the chair seat 4, the back portion 31 located at the upper position of the arc-shaped structure 33 and the backrest support 2 are mutually mounted and fixed through a connecting component 5, so that when the back portion 31 swings back and forth, the arc-shaped structure 33 between the back portion 31 and the waist portion 32 is in forced contact with the human waist under the fixing action of the bottom of the backrest body 3 and the chair seat 4 and the fixing action of the back portion 31 of the backrest body 3 and the backrest support 2.
In an embodiment, the backrest frame 2 is composed of a fixed base 21 and two support legs 22, a mounting protrusion 222 with a blind mounting hole 221 is arranged on each support leg 22, and a clamping hole 223 is arranged on the side wall of the blind mounting hole 221. the connecting assembly 5 is composed of a buffer rubber diaphragm 51, a connecting member 52 and a screw 53, the buffer rubber diaphragm 51 is arranged between the connecting positions of the backrest frame 2 and the backrest body 3, the connecting member 52 is composed of a annular body 521 and a plurality of convex clamping teeth 522, the convex clamping teeth 522 are annularly distributed on the annular body side, the outer diameter of the convex clamping teeth 522 are annularly distributed and correspond to the blind mounting hole 221, the connecting member 52 side is installed on the backrest 3 through the annular body 521 by the screw 53, and the other side of the connecting member 52 is clamped on the blind mounting hole 221 and the clamping hole 223 of the backrest frame 2 by the convex clamping teeth 522, so that the backrest body 3 is quickly installed on the backrest frame 2.
Specifically, the supporting leg 22 includes an upper supporting portion 22-1 and a lower supporting portion 22-2, a transition position between the upper supporting portion 22-1 and the lower supporting portion 22-2 is an inward convex arc-shaped supporting structure 22-3, the upper supporting portion 22-1 and the lower supporting portion 22-2 of the supporting leg 22 correspond to the back portion 31 and the waist portion 32 of the backrest body 3, so that the back portion 31 and the waist portion 32 of the backrest body 3 are correspondingly mounted on the upper supporting portion 22-1 and the lower supporting portion 22-2 of the supporting leg 22.
The connecting assembly 5 is located in the middle of the back portion 31, the backrest body 3 is provided with a backrest protrusion 34, the backrest protrusion 34 is provided with a screw hole 341 and a positioning hole 342, the annular body 521 side is provided with a positioning protrusion 523, the positioning protrusion 523 is correspondingly matched with the positioning hole 342, the connecting member 52 is screwed and fixed on the backrest body 3 through a screw 53 and the screw hole 341 of the backrest protrusion 34, the cushion rubber partition 51 is an annular rubber block, the end of the annular rubber block is sleeved on the mounting protrusion 222 of the supporting foot 22, the end of the annular rubber block is sleeved on the backrest protrusion 34 of the backrest body 3, and a cushion space 6 is reserved between the backrest support 2 and the backrest body 3.
The backrest support 2 is further provided with an armrest 224, the armrest 224 is mounted on the fixed base 21 to form body type structure with the fixed base 21 and the supporting feet 22, the supporting feet 22 and the armrest 224 form inclined U-shaped structures.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and those skilled in the art can apply the above-described modifications and variations to the structure and technical content without departing from the scope of the present invention.
Claims (9)
- The utility model provides a novel chair back, including back (1), back (1) comprises back support (2) and back body (3), back support (2) install on seat support (4), characterized by that, back body (3) are made by elastic material, back body (3) comprise back part (31) and waist part (32), the transition position between this back part (31) and waist part (32) is the protruding arc form structure (33) of inside convexity, back body (3) bottom is fixed on seat support (4), through link module (5) mutual installation fixed between back part (31) and back support (2) that lie in the upper portion position of arc form structure (33), when making back part (31) swing back and forth, the arc form structure (33) between back part (31) and waist part (32) are fixed with seat support (4) and back support (31) and back support (2) contact the human body under the fixed power of human body and back support (2).
- 2. The kinds of novel chair back as claimed in claim 1, wherein the backrest frame (2) is composed of fixed base (21) and two supporting legs (22), the supporting legs (22) are provided with mounting protrusions (222) having blind mounting holes (221), and the side walls of the blind mounting holes (221) are provided with locking holes (223).
- 3. The chair back as claimed in claim 2, wherein the backrest frame (2) further comprises an armrest (224), the armrest (224) is mounted on the fixed base (21) to form a body structure with the fixed base (21) and the supporting legs (22).
- 4. A chair back rest as claimed in claim 2 or claim 3, wherein the connecting member (5) is located at a central position of the back portion (31).
- 5. The kinds of novel chair back as claimed in claim 4, wherein the connecting member (5) comprises a cushion rubber spacer (51), a connecting member (52) and a screw (53), the cushion rubber spacer (51) is disposed between the connecting positions of the back frame (2) and the back body (3), the connecting member (52) comprises a ring body (521) and a plurality of outwardly protruding latches (522), the outwardly protruding latches (522) are annularly distributed on the side of the ring body (521) , the outer diameter of the annularly distributed outwardly protruding latches (522) corresponds to the blind mounting holes (221), the side of the connecting member (52) is mounted on the back body (3) by passing through the ring body (521) by the screw (53), and the other side of the connecting member (52) is fastened to the blind mounting holes (221) and the latch holes (223) of the back frame (2) by the outwardly protruding latches (522).
- 6. The kinds of novel chair back as claimed in claim 5, wherein the backrest body (3) is provided with a backrest protrusion (34), the backrest protrusion (34) is provided with a screw hole (341) and a positioning hole (342), the annular body (521) is provided with a positioning protrusion (523), the positioning protrusion (523) is correspondingly matched with the positioning hole (342), and the connecting member (52) is screwed with the screw hole (341) of the backrest protrusion (34) through a screw (53) and fixed on the backrest body (3).
- 7. The kinds of novel chair back as claimed in claim 5, wherein the cushion rubber spacer (51) is a ring-shaped rubber block, the ring-shaped rubber block end is sleeved on the mounting protrusion (222) of the supporting foot (22), the other end end is sleeved on the backrest protrusion (34) of the backrest body (3), and a cushion space (6) is reserved between the backrest support (2) and the backrest body (3).
- 8. The kinds of novel chair back as claimed in claim 2, wherein the supporting foot (22) comprises an upper supporting part (22-1) and a lower supporting part (22-2), the transition position between the upper supporting part (22-1) and the lower supporting part (22-2) is an inward convex arc-shaped supporting structure (22-3), the upper supporting part (22-1) and the lower supporting part (22-2) of the supporting foot (22) correspond to the back part (31) and the waist part (32) of the backrest body (3).
- 9. The chair back of claim 2, wherein the support legs (22) and the armrests (224) form angled U-shaped structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920528162.0U CN209995721U (en) | 2019-04-16 | 2019-04-16 | novel chair back |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920528162.0U CN209995721U (en) | 2019-04-16 | 2019-04-16 | novel chair back |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209995721U true CN209995721U (en) | 2020-01-31 |
Family
ID=69304105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920528162.0U Expired - Fee Related CN209995721U (en) | 2019-04-16 | 2019-04-16 | novel chair back |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209995721U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109938512A (en) * | 2019-04-16 | 2019-06-28 | 佛山市联润家具有限公司 | A kind of novelty chair back |
-
2019
- 2019-04-16 CN CN201920528162.0U patent/CN209995721U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109938512A (en) * | 2019-04-16 | 2019-06-28 | 佛山市联润家具有限公司 | A kind of novelty chair back |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4580836A (en) | Chair | |
| CN209995721U (en) | novel chair back | |
| KR100641351B1 (en) | Swing bench | |
| JP2009517285A (en) | Mounting assembly for stable mounting of seats, especially bicycle saddles | |
| KR20170001977U (en) | sofa | |
| KR100981057B1 (en) | Conjoin frame for chair | |
| KR200395763Y1 (en) | Back division type chair | |
| CN109938512A (en) | A kind of novelty chair back | |
| KR200323370Y1 (en) | good line chair | |
| JP7250498B2 (en) | A structure in which a net is attached to a chair member | |
| JP7436743B1 (en) | relaxing chair | |
| KR200404407Y1 (en) | Assembling structure of back panel and back pad of chair | |
| KR200327969Y1 (en) | Chair having an elastic parts for the back thereof | |
| KR200383047Y1 (en) | chair with headrest | |
| KR200371544Y1 (en) | The chair having a head-rest and a hanger | |
| KR200375178Y1 (en) | Structure for connecting duo-back on chair | |
| JP2020058762A (en) | Chair | |
| KR102597324B1 (en) | A chair consisting of a seat with a backrest capable of correcting the spine. | |
| KR200253650Y1 (en) | Headrest device for backrest of chair | |
| KR200379699Y1 (en) | Auxiliary sports equipment and office knee chair in one | |
| CN212066266U (en) | Multifunctional sofa convenient to official working | |
| CN219515756U (en) | Chair back and chair with fixed waist rest | |
| CN214760156U (en) | Multifunctional combined type bird nest seat | |
| CN212521270U (en) | Fine adjustment mechanism for chair | |
| KR200185922Y1 (en) | Structure of back in a chair |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200131 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |