CN108209278A - Seat with Lumbar position adjustment function - Google Patents
Seat with Lumbar position adjustment function Download PDFInfo
- Publication number
- CN108209278A CN108209278A CN201711352787.8A CN201711352787A CN108209278A CN 108209278 A CN108209278 A CN 108209278A CN 201711352787 A CN201711352787 A CN 201711352787A CN 108209278 A CN108209278 A CN 108209278A
- Authority
- CN
- China
- Prior art keywords
- lumbar
- position adjustment
- screens
- seat
- vertical beam
- 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.)
- Granted
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
A kind of seat with Lumbar position adjustment function, including backrest, it is installed in backrest front end Lumbar, the Lumbar includes a backboard, the back side of the backboard is equipped with a positioning lug, two elastic spacing pieces, the elastic spacing piece includes a segmental arc and is connected to the screens section of one section of segmental arc, the backrest includes main frame, the main frame includes a vertical beam, assembling grove is equipped in the middle part of the vertical beam front end face, the groove bottom wall of the assembling grove is equipped with the limiting slot of several longitudinal arrangements, two guide grooves are additionally provided on the vertical beam, cell wall of the guide groove at upper end opening is equipped with arc fixture block, during assembling, elastic spacing piece is snapped onto in guide groove, the positioning lug is fastened in the limiting slot of vertical beam；When pushing Lumbar upward or downward, elastic spacing piece slides on guide groove, and positioning lug is exited out of limiting slot and snapped onto in another limiting slot.So that Lumbar can carry out position adjustment, flexible structure according to the actual demand of user.
Description
Technical field
The present invention relates to a kind of armchair structure more particularly to a kind of seats with Lumbar position adjustment function.
Background technology
As modern works, the increase of reading time, it is necessary to which prolonged sitting excessively prolonged is sat on seat
It is motionless, just so that human vertebra causes human vertebra to generate disc herniation, displacement etc. seriously due to weight is oppressed for a long time
Injury causes modern to be very easy to the serious sequelae generation such as sciatica or stiff property spondylitis occur.Based on this, mesh
Preceding many manufacturers can increase a Lumbar when producing seat at backrest, and when enabling user's seat on the seat, waist obtains
To support, in order to avoid long-time sitting and generate tired sense；
However, in the prior art, Lumbar is generally fixed using fixed structure and backrest installation, and Lumbar position cannot root
It is adjusted according to user's figure or actual demand, flexibility is poor, it is impossible to meet the actual demand of user.
Invention content
Based on this, it is necessary to which for deficiency of the prior art, providing a kind of novel has Lumbar position adjustment function
Seat.
A kind of seat with Lumbar position adjustment function, which is characterized in that including backrest, be installed in backrest front end waist
It leans on, the Lumbar is movably connected with backrest, and Lumbar can carry out height adjustment according to actual operation requirements on backrest, described
Lumbar includes a backboard, and the back side of the backboard is equipped with a positioning lug, two elastic spacing pieces, and the elastic spacing piece includes one
Segmental arc and the screens section for being connected to one section of segmental arc, the segmental arc take the shape of the letter U setting, the L-shaped setting of screens section, two bullets
Property banking stop it is mutually opposing, the backrest include main frame, the main frame include main frame and be integrally formed be connected to master
Crossbeam, vertical beam on body frame, the vertical beam front end face middle part are equipped with assembling grove, and the groove bottom wall of the assembling grove is equipped with several longitudinal directions
The limiting slot of arrangement is additionally provided with two guide grooves on the vertical beam, and the guide groove extends downward into the inside of vertical beam, guide groove and assembling grove
It is interconnected, cell wall of the guide groove at upper end opening is equipped with arc fixture block, and during assembling, elastic spacing piece, which snaps onto, leads
In slot, the screens section of elastic spacing piece slips over arc fixture block, and two screens sections after screens section slips over arc fixture block, are blocked to contract
The position outside return of section, the positioning lug are fastened in the limiting slot of vertical beam；When pushing Lumbar upward or downward, elastic spacing piece
It is slided on guide groove, positioning lug is exited out of limiting slot and snapped onto in another limiting slot.
Further, groove and mounting hole are additionally provided on the backboard, the groove is set on the center of backboard, two institutes
The both sides that mounting hole is respectively arranged on groove are stated, the positioning lug middle bent overarches, the upper and lower ends difference for lug of transposing
It is connect with the upper and lower cell wall of groove, the hole wall of the segmental arcs of two elastic spacing pieces respectively with two mounting holes is connect.
Further, connector and linking arm are further included, the linking arm is installed in by connector by back, the company
Fitting can be slided by back, and position adjustment is carried out to the height of backrest
Further, the backrest further includes cover board, positioning plate, and the vertical beam trailing flank is equipped with the receipts of bottom-up extension
Tank, the positioning plate are installed in container groove bottom wall, and the cover plate lid is set on the notch of container.
Further, the leading flank of the positioning plate is equipped with raised line, if the raised line side, which is equipped with, tilts upward extension
Dry card slot is in longitudinal arrangement between card slot and card slot and is mutually parallel；The connector includes link block, is installed in link block
On swing arm and the return spring that is installed in swing arm, the rear end face of the swing arm bottom be equipped with protrusion, during assembling, which blocks
Enter into card slot.
Further, the upper end of the linking arm is equipped with storage tank, and the link block is arranged in storage tank.
Further, the rear end face of the link block is equipped with screens slot and recessing groove, the swing arm upper end and screens slot
Cell wall is pivotally connected, and the return spring is arranged in screens slot, and return spring both ends are supported on the cell wall of screens slot, the swing arm
It can be swung in screens slot and recessing groove, in swing process, the cell wall of screens slot squeezes return spring, and swing arm is pushed to return
Position.
Further, the main frame is integrally set in " mouth " font, and the crossbeam is in horizontally disposed, crossbeam both ends and master
The medial surface connection of body frame both sides, the upper end and lower end of the vertical beam are connect respectively with crossbeam, main frame bottom inside face.
Further, the arc-shaped curved surface setting of the backboard, forms an activity space between elastic portion and backboard.
The advantageous effect that the present invention has the seat of Lumbar position adjustment function is：By setting elasticity limit in Lumbar
Bit slice and positioning lug correspondingly, set the limiting slot of guide groove, the second tongue and longitudinal arrangement, the elasticity limit on leaning against
The cooperation of bit slice and guide groove assembling grove is installed, the elastic spacing piece can the longitudinal sliding motion in guide groove, assembling grove, the positioning is convex
Piece is arranged in limiting slot, moves up and down Lumbar, limiting lug can be coordinated with different limiting slots, so that Lumbar
Can position adjustment be carried out according to the actual demand of user, flexible structure is highly practical, has stronger dissemination.
Description of the drawings
Fig. 1 is the structure diagram of seat of the invention with Lumbar position adjustment function.
Fig. 2 is the structure diagram of another angle of seat shown in Fig. 1.
Fig. 3 is the exploded view of seat shown in Fig. 1.
Fig. 4 is the exploded view of another angle of seat shown in Fig. 1.
Fig. 5 is the structure diagram of the Lumbar of seat shown in Fig. 1.
Fig. 6 is the sectional view of the Lumbar of seat shown in Fig. 5.
Fig. 7 is the enlarged drawing of circle part A in Fig. 3.
Fig. 8 is the structure diagram of the positioning plate of seat shown in Fig. 1.
Specific embodiment
In order to which the object, technical solution and advantage for making invention are more clearly understood, with reference to the accompanying drawings and embodiments, to hair
It is bright to be further elaborated.It should be appreciated that specific embodiment described herein is not used to limit only to explain invention
Fixed invention.
As shown in Figures 1 to 8, the present invention provides a kind of seat with Lumbar position adjustment function, including backrest 10, dress
Set on 10 front end Lumbar 20 of backrest, connector (figure is not marked) and linking arm 40, the linking arm 40 is installed in by connector to be leaned on
On the back of the body 10, the connector can slide on backrest 10, carry out position adjustment to the height of backrest 10, the Lumbar 20 is with leaning on
The back of the body 10 is movably connected, and Lumbar 20 can carry out height adjustment according to actual operation requirements on backrest 10.
The backrest 10 includes main frame 11 and is installed in the cover board 14 at 11 back side of main frame, positioning plate 15, the main body
Crossbeam 12, the vertical beam 13 that frame 11 includes main frame 11 and is connected to being integrally formed on main frame 11, the main frame 11 are whole
It is set in " mouth " font, in being horizontally disposed with, 12 both ends of crossbeam are connect the crossbeam 12 with the medial surface of 11 both sides of main frame, described
The upper end and lower end of vertical beam 13 are connect respectively with crossbeam 12,11 bottom inside face of main frame.It is set in the middle part of 13 front end face of vertical beam
There is assembling grove 131, the groove bottom wall of the assembling grove 131 is equipped with the limiting slot 132 of several longitudinal arrangements, and the main frame 11 erects
Two guide grooves 133 are additionally provided on beam 13, the guide groove 133 extends downward into the inside of vertical beam 13, guide groove 133 and 131 phase of assembling grove
It is intercommunicated.Cell wall of the guide groove 133 at upper end opening is equipped with 134 assembling grove assembling grove guide groove of arc fixture block.
The Lumbar 20 includes backboard 21 and the elastic portion 22 for being connected to 21 both sides of backboard, and the elastic portion 22 is set in netted
It puts, 21 arc-shaped curved surface of the backboard setting forms an activity space between elastic portion 22 and backboard 21.The back of the body of the backboard 21
Face is equipped with a groove 223, one positioning lug 221, two elastic spacing pieces 222, and pre-and post perforative two installation is additionally provided on backboard 21
Hole 224, the groove 223 are set on the center of backboard 21, and two mounting holes 224 are respectively arranged on the both sides of groove 223, institute
Positioning 221 middle bent of lug to be stated to overarch, the upper and lower ends of positioning lug 221 are connect respectively with 223 upper and lower cell wall of groove,
221 middle part of positioning lug is stretched out in outside groove 223.
The elastic spacing piece 222 includes a segmental arc and is connected to the screens section 226 of 225 1 sections of segmental arc, the arc
Shape section takes the shape of the letter U setting, the L-shaped setting of screens section, and screens section 226 is stretched out out of mounting hole 224, two elastic spacing pieces 222
Hole wall of the segmental arc respectively with two mounting holes 224 connect, two elastic spacing pieces 222 are in oppositely arranged.During assembling, Lumbar 20
The screens section of elastic spacing piece 222 slips over arc fixture block 134, and two screens sections 226 slip over arc card to contract, screens section 226
After block 134,226 outside return of screens section is simultaneously snapped onto in guide groove 133, and the positioning lug 221 is fastened on the limiting of vertical beam 13
In slot 132.When pushing Lumbar 20 upward or downward, positioning lug 221 exits out of limiting slot 132 and snaps onto another limiting slot
In 132.
The leading flank of the positioning plate 15 is equipped with raised line 151, and 151 side of raised line is equipped with and tilts upward the several of extension
Card slot 152 is in longitudinal arrangement between card slot 152 and card slot 152 and is mutually parallel.13 trailing flank of vertical beam is equipped with bottom-up
The container of extension, the positioning plate 15 are installed in container groove bottom wall, and the cover board 14 is covered on the notch of container.
The connector includes link block 31, the swing arm 32 being installed on link block 31 and the return being installed in swing arm 32
Spring 33, the upper end of the linking arm 40 are equipped with storage tank 41, and the link block 31 is arranged in storage tank 41.The link block
31 rear end face is equipped with screens slot 311 and recessing groove 312, and 32 upper end of swing arm and the cell wall of screens slot 311 are pivotally connected, described time
Position spring 33 is arranged in screens slot 311, and 33 both ends of return spring are supported on the cell wall of screens slot 311, and the swing arm 32 can
To be swung in screens slot 311 and recessing groove 312, in swing process, the cell wall of screens slot 311 squeezes return spring 33, pushes away
32 return of movable pendulum arm, the rear end face of 32 bottom of swing arm are equipped with protrusion 321.During assembling, which snaps onto card slot 152
Interior, negative direction rotation backrest 10 makes protrusion 321 be exited out of card slot 152, pushes backrest 10 upward or downward, when being adjusted to suitable
When position, backrest 10 is unclamped, under the action of return spring 33, protrusion 321 is snapped onto in another card slot 152.
The advantageous effect that the present invention has the seat of Lumbar position adjustment function is：By setting elasticity in Lumbar 20
Banking stop 222 and positioning lug 221, correspondingly, set the limiting slot of guide groove 133, the second tongue and longitudinal arrangement on leaning against
132, the elastic spacing piece 222 is installed with guide groove 133, the cooperation of assembling grove 131, and the elastic spacing piece 222 can be in guide groove
Longitudinal sliding motion in 133 assembling groves 131, the positioning lug 221 are arranged in limiting slot 132, move up and down Lumbar 20, limit convex
Piece can be coordinated with different limiting slots 132, so that Lumbar 20 can be according to the actual demand of user into line position
Adjustment is put, flexible structure is highly practical, has stronger dissemination.
Embodiment described above only expresses a kind of embodiment of invention, and description is more specific and detailed, but not
It can therefore be construed as limiting the scope of the patent.It should be pointed out that for those of ordinary skill in the art,
Under the premise of inventive concept is not departed from, various modifications and improvements can be made, these belong to the protection domain of invention.Cause
This, the protection domain of patent of invention should be determined by the appended claims.
Claims (9)
1. a kind of seat with Lumbar position adjustment function, which is characterized in that including backrest, backrest front end Lumbar is installed in,
The Lumbar is movably connected with backrest, and Lumbar can carry out height adjustment, the waist according to actual operation requirements on backrest
By including a backboard, the back side of the backboard is equipped with a positioning lug, two elastic spacing pieces, and the elastic spacing piece includes an arc
Shape section and the screens section for being connected to one section of segmental arc, the segmental arc take the shape of the letter U setting, the L-shaped setting of screens section, two elasticity
Banking stop is mutually opposing, and the backrest includes main frame, and the main frame includes main frame and is connected to main body with being integrally formed
Crossbeam, vertical beam on frame, the vertical beam front end face middle part are equipped with assembling grove, and the groove bottom wall of the assembling grove is equipped with several longitudinal directions and arranges
The limiting slot of row is additionally provided with two guide grooves on the vertical beam, and the guide groove extends downward into the inside of vertical beam, guide groove and assembling grove phase
Intercommunicated, cell wall of the guide groove at upper end opening is equipped with arc fixture block, and during assembling, elastic spacing piece snaps onto guide groove
Interior, the screens section of elastic spacing piece slips over arc fixture block, and two screens sections are to contract, after screens section slips over arc fixture block, screens
The outside return of section；The positioning lug is fastened in the limiting slot of vertical beam；When pushing Lumbar upward or downward, elastic spacing piece exists
It is slided on guide groove, positioning lug is exited out of limiting slot and snapped onto in another limiting slot.
2. there is the seat of Lumbar position adjustment function as described in claim 1, it is characterised in that：It is additionally provided on the backboard
Groove and mounting hole, the groove are set on the center of backboard, and two mounting holes are respectively arranged on the both sides of groove, the tune
Position lug middle bent overarches, and the upper and lower ends for lug of transposing are connect respectively with the upper and lower cell wall of groove, two elastic spacing pieces
Hole wall of the segmental arc respectively with two mounting holes is connect.
3. there is the seat of Lumbar position adjustment function as described in claim 1, it is characterised in that：Further include connector and company
Arm is connect, the linking arm is installed in by connector by back, and the connector can be slided by back, to the height of backrest
Carry out position adjustment.
4. there is the seat of Lumbar position adjustment function as claimed in claim 4, it is characterised in that：The backrest further includes lid
Plate, positioning plate, the vertical beam trailing flank are equipped with the container of bottom-up extension, and the positioning plate is installed in container groove bottom wall
On, the cover plate lid is set on the notch of container.
5. there is the seat of Lumbar position adjustment function as claimed in claim 5, it is characterised in that：The front side of the positioning plate
Face is equipped with raised line, and the raised line side is equipped with several card slots for tilting upward extension, between card slot and card slot in longitudinal arrangement simultaneously
And it is mutually parallel；The connector includes link block, the swing arm being installed on link block and the return spring being installed in swing arm,
The rear end face of the swing arm bottom is equipped with protrusion, and during assembling, which snaps onto in card slot.
6. there is the seat of Lumbar position adjustment function as claimed in claim 5, it is characterised in that：The upper end of the linking arm
Equipped with storage tank, the link block is arranged in storage tank.
7. there is the seat of Lumbar position adjustment function as claimed in claim 5, it is characterised in that：The rear end of the link block
Face is equipped with screens slot and recessing groove, and the swing arm upper end and the cell wall of screens slot are pivotally connected, and the return spring is arranged on screens slot
Interior, return spring both ends are supported on the cell wall of screens slot, and the swing arm can be swung in screens slot and recessing groove, swung
In the process, the cell wall of screens slot squeezes return spring, pushes swing arm return.
8. there is the seat of Lumbar position adjustment function as described in claim 1, it is characterised in that：The main frame is in integrally
" mouth " font is set, and in horizontally disposed, crossbeam both ends are connect the crossbeam with the medial surface of main frame both sides, the vertical beam it is upper
End and lower end are connect respectively with crossbeam, main frame bottom inside face.
9. there is the seat of Lumbar position adjustment function as described in claim 1, it is characterised in that：The arc-shaped song of backboard
Face is set, and an activity space is formed between elastic portion and backboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711352787.8A CN108209278B (en) | 2017-12-15 | 2017-12-15 | Seat with waist rest position adjusting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711352787.8A CN108209278B (en) | 2017-12-15 | 2017-12-15 | Seat with waist rest position adjusting function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108209278A true CN108209278A (en) | 2018-06-29 |
| CN108209278B CN108209278B (en) | 2020-07-07 |
Family
ID=62649648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711352787.8A Active CN108209278B (en) | 2017-12-15 | 2017-12-15 | Seat with waist rest position adjusting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108209278B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108968468A (en) * | 2018-09-30 | 2018-12-11 | 吕晓君 | A kind of adjustable rotary seat of backrest height |
| CN108968478A (en) * | 2018-09-27 | 2018-12-11 | 浙江粤强家具科技有限公司 | The supporting mechanism of backrest of rotary chair frame |
| CN109527856A (en) * | 2018-12-18 | 2019-03-29 | 浙江粤强家具科技有限公司 | The bindiny mechanism of chair cushion and rear bearing sheet |
| CN110522230A (en) * | 2019-10-08 | 2019-12-03 | 浙江博泰家具有限公司 | A kind of automatic adjustment Lumbar and the chair back |
| CN113662380A (en) * | 2021-06-18 | 2021-11-19 | 圣奥科技股份有限公司 | Chair back adjusting assembly for chair and chair |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5725278A (en) * | 1996-10-03 | 1998-03-10 | Itw Plastiglide | Chair back height adjuster |
| CN2680116Y (en) * | 2003-12-31 | 2005-02-23 | 宜雋实业有限公司 | Chair waistrest adjustable device |
| KR20130137286A (en) * | 2012-06-07 | 2013-12-17 | 박경준 | Chair including waist suporter capable of adjusting height |
| US20160037931A1 (en) * | 2014-08-11 | 2016-02-11 | Yao-Chuan Wu | Modified back rack |
| CN107125990A (en) * | 2017-04-26 | 2017-09-05 | 广东顺德奥格斯格家具有限公司 | A kind of office chair |
| CN206621106U (en) * | 2016-12-07 | 2017-11-10 | 安吉富和家具有限公司 | A kind of attachment means rested the head on seat body |
-
2017
- 2017-12-15 CN CN201711352787.8A patent/CN108209278B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5725278A (en) * | 1996-10-03 | 1998-03-10 | Itw Plastiglide | Chair back height adjuster |
| CN2680116Y (en) * | 2003-12-31 | 2005-02-23 | 宜雋实业有限公司 | Chair waistrest adjustable device |
| KR20130137286A (en) * | 2012-06-07 | 2013-12-17 | 박경준 | Chair including waist suporter capable of adjusting height |
| US20160037931A1 (en) * | 2014-08-11 | 2016-02-11 | Yao-Chuan Wu | Modified back rack |
| CN206621106U (en) * | 2016-12-07 | 2017-11-10 | 安吉富和家具有限公司 | A kind of attachment means rested the head on seat body |
| CN107125990A (en) * | 2017-04-26 | 2017-09-05 | 广东顺德奥格斯格家具有限公司 | A kind of office chair |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108968478A (en) * | 2018-09-27 | 2018-12-11 | 浙江粤强家具科技有限公司 | The supporting mechanism of backrest of rotary chair frame |
| CN108968468A (en) * | 2018-09-30 | 2018-12-11 | 吕晓君 | A kind of adjustable rotary seat of backrest height |
| CN109527856A (en) * | 2018-12-18 | 2019-03-29 | 浙江粤强家具科技有限公司 | The bindiny mechanism of chair cushion and rear bearing sheet |
| CN110522230A (en) * | 2019-10-08 | 2019-12-03 | 浙江博泰家具有限公司 | A kind of automatic adjustment Lumbar and the chair back |
| CN113662380A (en) * | 2021-06-18 | 2021-11-19 | 圣奥科技股份有限公司 | Chair back adjusting assembly for chair and chair |
| CN113662380B (en) * | 2021-06-18 | 2024-06-07 | 圣奥科技股份有限公司 | Chair back adjusting assembly for chair and chair |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108209278B (en) | 2020-07-07 |
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