CN102669981B - Seat back height adjusting device - Google Patents
Seat back height adjusting device Download PDFInfo
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- CN102669981B CN102669981B CN 201210134405 CN201210134405A CN102669981B CN 102669981 B CN102669981 B CN 102669981B CN 201210134405 CN201210134405 CN 201210134405 CN 201210134405 A CN201210134405 A CN 201210134405A CN 102669981 B CN102669981 B CN 102669981B
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- CN
- China
- Prior art keywords
- cutting
- chair back
- adjusting device
- damper box
- height adjusting
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- 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
- A47C7/402—Support for the head or the back for the back adjustable in height
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Abstract
The invention belongs to the field of seats, in particular to a seat back height adjusting device with convenient adjusting, long life and difficult deformation, which comprises two support rods and a seat back frame, wherein the two support rods are fixedly connected on the seat, the seat back frame is arranged on the support rods, and the seat back frame is connected with the support rods through an adjusting component. The adjusting component comprises an adjusting box and sleeves arranged on the two sides of the adjusting box, wherein the sleeves are sleeved on the support rods, a relative surface of the two support rods is symmetrically provided with a plurality of height selecting jacks, the two sides of the adjusting box are penetrated with clamping inserting strips which are matched with the height selecting jacks, and adjusting buttons which pass through the bottom portion of the adjusting box are arranged in the adjusting box. Main function parts of the seat back height adjusting device are integrated in the adjusting box which is connected with the seat back frame, and the seat back height adjusting device can be adjusted just by lightly pressing the adjusting buttons. The seat back height adjusting device is beautiful in whole, simple in structure, extremely convenient to operate and excellent in safety, is suitable for various modern seat backs, and is extremely convenient to mount the seat back.
Description
A kind of chair back height adjusting device
Technical field
The invention belongs to the seat field, be specifically related to a kind of easy to adjust, long on-deformable chair back height adjusting device of life-span.
Background technology
The most adjusting rods that adopt of the chair back of existing adjustment height were regulated with coordinating of zigzag regulating tank." chair back height adjusting device " as application number 201020217501.2, comprise a chair back connector and a seat support connector, chair back connector is provided with some height that are the knife saw shape that are interconnected and selects jack, the seat support connector is provided with an installation jack and a clamping hole be connected with the installation jack, highly select jack and install between jack to be plugged with a height adjusting part, one end of height adjusting part be located on chair back connector, and the other end be located on the seat support connector.Though this device is simple to operate, parts do not reduce, and are set in the chair back connector on the seat support connector, and also need to place comfortable backrest on the seat support connector, and piece volumes is all larger, and moulding is not attractive in appearance, and backrest is placed inconvenient; Simultaneously the zigzag adjustment structure is easy to block, and soon just can't use the function of regulating height after often coming into operation, and service life is shorter, and this popular structure be not suitable for the structure of modern office class seat, and applicable chair is few, function singleness.
Summary of the invention
The objective of the invention is provides a kind of life-span long easy to adjust for addressing the above problem, take up room little, and the applicable chair back height adjusting device to multiple seat.
Above-mentioned technical purpose of the present invention is achieved by the following technical programs:
A kind of chair back height adjusting device, comprise two support bars that are fixed on seat support and be arranged at the chair back frame on support bar; Described chair back frame is connected with described support bar by adjusting part; Described adjusting part comprises damper box and is fixedly arranged on the sleeve of damper box both sides; Described jacket casing is located on described support bar; Be provided with some height on the opposite face of described two support bars and select jack; Described damper box both sides pass with described height selects the fixing that jack coordinates to transplant a cutting; Be provided with the adjusting button that passes damper box bottom in described damper box, described fixing is transplanted a cutting as two of being arranged at both sides in described damper box; Described fixing is provided with the hole of pulling back on transplanting a cutting; Both sides, described adjusting button top are provided with for the insertion cutting of pulling back that hole pulls back and fix to transplant a cutting of pulling back.
By regulating the button control fixing, transplant a cutting flexible, to regulate button while needing to regulate height transplants a cutting from highly selecting jack to regain toward moving fixing of the interior pressure zone of damper box, break away from and highly select jack, damper box drives chair back frame and can slide along the support bar easy on and off, unclamp the adjusting button after the height of selecting to need, upper and lower micro-moving, make to fix near the height in cutting insertion position and select jack to get final product again.
As preferably, inner end and regulate the button crown center and be provided with spring is transplanted a cutting in described fixing; The described spring other end is resisted against on the baffle plate be fixedly arranged in described damper box.
Spring plays the effect of buffer limit.
The arranging of spring that fixes the cutting inner end guarantees to fix the power that cutting has an outside thruster of quilt all the time, when moving up and down damper box, fixing the cutting end is resisted against on the support bar wall and can selects jack insert and fix by the Automatic-searching height, guarantee to pull back hole and the position relationship of pulling back between transplanting a cutting, the motion of transplanting a cutting of making to pull back can be applied to that the pore area of pulling back is moving to be fixed cutting and move around simultaneously.Regulate the spring of button crown center to the thrust of regulating button down, make to regulate button can auto back after released to bottom, pulling back to transplant a cutting moves down, and fixes to transplant a cutting and moves laterally.
As preferably, described pull back to transplant a cutting be positioned at the described medial surface below, hole of pulling back; The described cutting inside top of pulling back is provided with scarf one; The corresponding scarf one in the described medial surface bottom, hole of pulling back is provided with scarf two; By described scarf one, along the rectilinear motion on gravity direction, promote to do rectilinear motion on described scarf two along continuous straight runs.
Not complete matching is transplanted a cutting with pulling back in the hole of pulling back, but becomes the state setting of a micro-dislocation, pulls back to transplant a cutting the local hole of pulling back of inserting simultaneously, lap cuts into scarf, assurance makes to pull back and transplants a cutting while moving upward, and the scarf of two contacts produces displacement, will fix to transplant a cutting inwardly to retract.
The flexible effect of transplanting a cutting that fixes of regulating is not only played in the local design of inserting scarf of micro-dislocation, also make each parts mutually fasten in damper box simultaneously, play spacing effect, prevent in damper box that each parts produced big shearing or came off and can not be regulated, and had also reduced the maintenance rate of parts.
When normality, can be both also can unclamping of contact between scarf, guarantee between scarf some overlapping getting final product on gravity direction, limit low to the requirement of each component processing.The frictional force when design of scarf has reduced motion, operate more laborsaving.Simultaneously the scarf contact preventing generation that contacts of end and face stumble and affect service life.
As preferably, it is the yi word pattern hole that described height is selected jack.
Yi word pattern hole jack, reduced and added the accurate requirement of man-hour to the position, hole, makes to process convenient.
During production, dislocation slightly can not cause fixing transplanting a cutting to insert yet and highly selects jack.And in use for some time,, because the displacement of the parts such as support bar or damper box or distortion make highly to select jack and fix to transplant a cutting to produce dislocation, the yi word pattern hole has guaranteed still can use normally the function of regulating height after micro-dislocation.Make the longer service life of this device.
As preferably, on described support bar, be provided with reinforcement; The corresponding described reinforcement of described sleeve lining is provided with the muscle groove.Reinforcement and muscle groove coincide and design.
In use, can be because the service time of chair to be long, the aging of product, produce fracture or inconsistent phenomenon; Or, because of the problem of majority's sitting posture custom, cause the chair back one side stressed excessive, or the chair back is subject to for a long time, rear generation distortion dislocation of long duration.Reinforcement the dynamics of having strengthened support bar is set, prevent disconnected strong distortion, coincideing of reinforcement and muscle groove, effectively prevent the dislocation between each parts simultaneously, extended service life.
As preferably, be provided with in described damper box for installing and fix a plurality of installation locating slots of transplanting a cutting, regulating button and spring; On the installation locating slot that described fixing is transplanted a cutting, the corresponding described cutting of pulling back has for the perforation notch by pulling back and transplanting a cutting.
One end of spring is arranged on cecum, and the other end connects to fix to be transplanted a cutting or regulate on button.Spring is durable in use, not yielding, and spring is arranged on and installs in locating slot, guarantees when limiting its scope of activities that spring can not block.
As preferably, described damper box comprises main cartridge and the lid be bolted.
Traditional adjustment structure all is distributed in back or the both sides of the whole chair back, and because operation inconvenience, easy break-down, and often all outside exposed, not only outward appearance is not attractive in appearance, also easily causes the danger such as ejection that come off of tong, part.This adjustment structure is simple to operate, without naked-eye observation, just can be adjusted easily, and parts are incorporated into the interior chair back frame that directly connects of etui of a sealing, overall appearance, and security is good, has avoided traditional zigzag adjustment structure often to there will be the phenomenon that snaps into hand.
As preferably, described lid outer surface is provided with chair back mounting groove.
Traditional chair back all need to be fixed by miscellaneous parts such as bolts, inconvenient operation, and after growing service time, bolt can come off to lose and causes the chair back to rock or come off.Need to regularly keep in repair fixing.This device can be by directly firm being affiliated in mounting groove of the chair back, and installing/dismounting is very convenient, and maintenance rate is low, and the fixture scattered without other is fixed.
As preferably, described two supporting bar tops are connected with connector.
Connector, for defining the adjustable maximum height of the chair back, makes the support bar unitary closed simultaneously, is difficult for the dislocation distortion, and integral body has more firmly extended service life, safety more attractive in appearance.In sum, the present invention has following beneficial effect:
1, this apparatus structure is simple, easy to operate;
2, regulate parts and be incorporated in a minor adjustment box and the chair back frame fusion, handsome in appearance;
3, the damper box volume is little, unitary closed, and security is good;
4, this installs the not yielding dislocation of each structure member, and maintenance rate is low, long service life.
5, this apparatus structure is simple, lightweight, and production cost is low, is convenient to carrying.
The accompanying drawing explanation:
Fig. 1 is chair back frame, support bar and adjusting part structural representation;
Fig. 2 is the member fitting structure schematic diagrames such as main cartridge and adjusting button;
Fig. 3 is the member fitting structure schematic diagrames such as lid and adjusting button;
Fig. 4 pulls back to transplant a cutting and fixing cutting sectional structure schematic diagram;
Fig. 5 is sleeve with the adjusting part of muscle groove with the supporting bar structure schematic diagram of reinforcement.
1-support bar in figure, 11-highly selects jack, 12-reinforcement, 2-chair back frame, the 3-damper box, 31-fixes cutting, the 311-hole of pulling back, 312-medial surface, 313-scarf two, 32-regulates button, the 321-cutting of pulling back, 322-scarf one, 323-connects notch, 33-main cartridge, the 34-lid, 341-chair back mounting groove, 4-sleeve, 41-muscle groove, 5-spring, 6-connector.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
This specific embodiment is only explanation of the invention; it is not limitation of the present invention; those skilled in the art can make to the present embodiment the modification that there is no creative contribution as required after reading this specification, but as long as all are subject to the protection of Patent Law in claim scope of the present invention.
Embodiment:
Embodiment mono-:
As shown in accompanying drawing 1-5, a kind of chair back height adjusting device, comprise two support bars 1 that are fixed on seat support and be arranged at the chair back frame 2 on support bar 1; Described chair back frame 2 is connected with described support bar 1 by adjusting part; Described adjusting part comprises damper box 3 and is fixedly arranged on the sleeve 4 of damper box 3 both sides; Described sleeve 4 is sheathed on described support bar 1; Be symmetrically arranged with some height on the opposite face of described two support bars 1 and select jack 11; Described damper box 3 both sides pass with described height selects the fixing that jack 11 coordinates to transplant a cutting 31; Be provided with the adjusting button 32 that passes damper box 3 bottoms in described damper box 3.
Described fixing transplants a cutting 31 for being arranged at two of described damper box 3 interior both sides; Be provided with the hole 311 of pulling back in described fixing cutting 31; Described adjusting button 32 both sides, top are provided with for the insertion hole 311 of pulling back and pull back and fix to transplant a cutting 31 pull back and transplant a cutting 321.
31 inner ends and regulate button 32 crown centers and be provided with spring 5 are transplanted a cutting in described fixing; Described spring 5 other ends are resisted against on the baffle plate be fixedly arranged in described damper box 3.Regulate the joint pin that button 32 crown centers are provided with linking springs 5, the joint pin both sides for fix transplant a cutting 31 and with the spring coordinated separately.On joint pin top, baffle plate and fixing cutting 31 inboards all are provided with semicircle plunger, and spring housing is located on this plunger.Fix cutting 31 outer ends and be provided with the plunger that jack 11 is highly selected in insertion.
The described cutting 321 of pulling back is positioned at described 311 medial surface 312 belows, hole of pulling back; Described cutting 321 inside top of pulling back are provided with scarf 1; The described hole 311 corresponding scarves 1 in medial surface 312 bottoms of pulling back are provided with scarf 2 313; By described scarf 1, along the rectilinear motion on gravity direction, promote to do rectilinear motion on described scarf 2 313 along continuous straight runs.Scarf 1 and scarf 2 313 laminatings.A plurality of installation locating slots of be provided with in described damper box 3 for installing and fix cutting 31, regulating button 32 and spring 5; On the installation locating slot of described fixing cutting 31, the corresponding described cutting 321 of pulling back has for the perforation notch 323 by the cutting 321 of pulling back.Locating slot is installed and is formed by the multi-sheets be fixedly arranged in damper box 3, make the weight of damper box 3 lighter.
Described damper box 3 comprises main cartridge 33 and the lid 34 be bolted.Also be provided with the groove identical with the interior installation locating slot of main cartridge 33 in lid 34.Main cartridge 33 is fixedly connected with by being arranged at four bolts on angle with lid 34.Described lid 34 outer surfaces are provided with chair back mounting groove 341.
Described two support bar 1 tops are connected with connector 6.Connector 6 can be U-shaped or the perpendicular type pipe.
To regulate button 32 while needing to regulate height and transplant a cutting 31 from highly selecting jack 11 to regain toward moving fixing of the interior pressure zone of damper box 3, break away from and highly select jack 11, damper box 3 drives chair back frame 2 and can slide along support bar 1 easy on and off, unclamp and regulate button 32 after the height of selecting to need, upper and lower micro-moving again, make to fix and transplant a cutting near 31 height that automatically insert positions and select jacks 11 to get final product.
This device is intensive in the damper box 3 be connected with chair back frame by main function components, only needs flicking to regulate button 32 and just can be regulated.Overall appearance, simple in structure, operation is very easy, and security is good.Be applicable to the modern various chair back, and the chair back is installed very convenient.
Embodiment bis-:
As shown in accompanying drawing 1-6, different from embodiment mono-, it is the yi word pattern hole that described height is selected jack 11, on described support bar 1, is provided with reinforcement 12; The corresponding described reinforcement 12 of described sleeve 4 inwalls is provided with muscle groove 41.Can only on a support bar 1, reinforcement 12 be set, also can on two support bars 1, reinforcement 12 all be set.
Claims (9)
1. a chair back height adjusting device, is characterized in that: comprise two support bars (1) that are fixed on seat support and be arranged at the chair back frame (2) on support bar (1); Described chair back frame (2) is connected with described support bar (1) by adjusting part; Described adjusting part comprises damper box (3) and is fixedly arranged on the sleeve (4) of damper box (3) both sides; Described sleeve (4) is sheathed on described support bar (1); Be provided with some height on the opposite face of described two support bars (1) and select jack (11); Described damper box (3) both sides pass the fixing cutting (31) of selecting jack (11) to coordinate with described height; Be provided with the adjusting button (32) that passes damper box (3) bottom in described damper box (3), described fixing is transplanted a cutting (31) for being arranged at two of the interior both sides of described damper box (3); Be provided with the hole of pulling back (311) in described fixing cutting (31); Described adjusting button (32) both sides, top are provided with for the insertion hole (311) of pulling back and pull back and fix to transplant a cutting the cutting (321) of pulling back of (31).
2. a kind of chair back height adjusting device according to claim 1 is characterized in that: (31) inner end and regulate button (32) crown center and be provided with spring (5) is transplanted a cutting in described fixing; Described spring (5) other end is resisted against on the baffle plate be fixedly arranged in described damper box (3).
3. a kind of chair back height adjusting device according to claim 2, it is characterized in that: the described cutting (321) of pulling back is positioned at the described hole of pulling back (311) medial surface (312) below; Described cutting (321) inside top of pulling back is provided with scarf one (322); The corresponding scarf one (322) in the described hole of pulling back (311) medial surface (312) bottom is provided with scarf two (313); By described scarf one (322), along the rectilinear motion on gravity direction, promote to do rectilinear motion on described scarf two (313) along continuous straight runs.
4. a kind of chair back height adjusting device according to claim 3, it is characterized in that: described height selects jack (11) for the yi word pattern hole.
5. a kind of chair back height adjusting device according to claim 4, is characterized in that: be provided with reinforcement (12) on described support bar (1); The corresponding described reinforcement of described sleeve (4) inwall (12) is provided with muscle groove (41).
6. a kind of chair back height adjusting device according to claim 5, is characterized in that: be provided with in described damper box (3) for installing and fix a plurality of installation locating slots of transplanting a cutting (31), regulating button (32) and spring (5); On the installation locating slot of described fixing cutting (31), the corresponding described cutting (321) of pulling back has for the perforation notch (323) by the cutting (321) of pulling back.
7. a kind of chair back height adjusting device according to claim 6, it is characterized in that: described damper box (3) comprises main cartridge (33) and the lid (34) be bolted.
8. a kind of chair back height adjusting device according to claim 7, it is characterized in that: described lid (34) outer surface is provided with chair back mounting groove (341).
9. a kind of chair back height adjusting device according to claim 8, it is characterized in that: described two support bars (1) top is connected with connector (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210134405 CN102669981B (en) | 2012-05-04 | 2012-05-04 | Seat back height adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210134405 CN102669981B (en) | 2012-05-04 | 2012-05-04 | Seat back height adjusting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102669981A CN102669981A (en) | 2012-09-19 |
| CN102669981B true CN102669981B (en) | 2013-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210134405 Active CN102669981B (en) | 2012-05-04 | 2012-05-04 | Seat back height adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102669981B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5725278A (en) * | 1996-10-03 | 1998-03-10 | Itw Plastiglide | Chair back height adjuster |
| CN2482889Y (en) * | 2001-07-06 | 2002-03-27 | 吴宝弟 | Adjustable shortsightedness chair having drawer |
| US7172250B2 (en) * | 2004-09-27 | 2007-02-06 | Yao-Chuan Wu | Adjustable chassis for chair |
| CN200973532Y (en) * | 2006-11-28 | 2007-11-14 | 王佳骏 | New type chair |
| CN201452319U (en) * | 2009-07-13 | 2010-05-12 | 宁波康大美术用品有限公司 | Height adjustable seat |
| CN201754991U (en) * | 2010-06-02 | 2011-03-09 | 姚家祥 | Chair back height adjusting device |
| CN202567202U (en) * | 2012-05-04 | 2012-12-05 | 安吉县盛信办公家具有限公司 | Chair back height regulation device |
-
2012
- 2012-05-04 CN CN 201210134405 patent/CN102669981B/en active Active
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| Publication number | Publication date |
|---|---|
| CN102669981A (en) | 2012-09-19 |
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Denomination of invention: A seat back height adjusting device Effective date of registration: 20210528 Granted publication date: 20131218 Pledgee: Zhejiang Anji Rural Commercial Bank of the West Branch of Limited by Share Ltd. Pledgor: ANJI SHENGXIN OFFICE FURNITURE Co.,Ltd. Registration number: Y2021330000484 |