CN101548824A - Chair-back adjusting device - Google Patents
Chair-back adjusting device Download PDFInfo
- Publication number
- CN101548824A CN101548824A CN 200810090617 CN200810090617A CN101548824A CN 101548824 A CN101548824 A CN 101548824A CN 200810090617 CN200810090617 CN 200810090617 CN 200810090617 A CN200810090617 A CN 200810090617A CN 101548824 A CN101548824 A CN 101548824A
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- CN
- China
- Prior art keywords
- link
- chair
- supporting plate
- adjustment part
- adjusting device
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- 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.)
- Pending
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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
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
- A47C1/023—Reclining or easy chairs having independently-adjustable supporting parts the parts being horizontally-adjustable seats ; Expandable seats or the like, e.g. seats with horizontally adjustable parts
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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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- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The invention relates to a chair-back adjusting device which comprises a tail seat, a fixing seat arranged at the tail seat and a control piece arranged between the tail seat and the fixing seat, the tail seat is provided with a lower supporting plate and an upper supporting plate, the fixing seat is provided with a connecting end arranged between the upper supporting plate and the lower supporting plate, the upper supporting plate, the lower supporting plate and the connecting end tightly hold so as to produce enough friction resistance for preventing the connecting end from freely moving between the upper supporting plate and the lower supporting plate; and the control piece is operated to interlock the fixing seat so as to lead the fixing seat to move oppositely to the tail seat. The invention realizes that the depth of the chair-back is adjusted by single-handle operation, and achieves the effect of assist to move the chair-back without a human body or additional labor power; meanwhile, the invention provides the safety chair-back adjusting device which can effectively prevent a user from being hurt.
Description
Technical field
The present invention relates to armchair structure, particularly the chair-back adjusting device of seat.
Background technology
Please refer to U.S. Patent number the 7th, 264, " Back rest adjusting mechanism " patent case of No. 312, and the traditional Chinese chair chair back of Fig. 6 and Fig. 7 is adjusted structural representation.Aforementioned background art has common feature, and promptly the occupant pulls L shaped revolving coming two clip assemblies of interlock with hand, makes two clip assemblies leave the long groove shape anti-slip section of the dual-side of rectangular main support.The main support that is slidingly installed in this moment in the nested base forms free state, and the occupant must promote the chair back with health (normally back), allows main support side shifting and make chair back rising outside nested base.Treat that the chair back is pushed to after the desired location by occupant's health, the occupant just can decontrol rotating part with hand, allows two clip assemblies be pressed on the anti-slip section of main support dual-side downwards, makes main support and nested base form the fixedly position of the chair back, location.Same, if will allow the chair back descend, also exist identical problem.
Therefore, when adjusting the depth position of the chair back, must pull by occupant's hand and revolve handle, control the depth of the chair back more simultaneously with the back (or extra manpower) of health, can't realize utilizing one-handed performance to reach the effect of adjusting chair back depth position.
In addition, also have second problem to exist, revolve handle, allow the chair back form after the free state, when the occupant utilizes the back of health to promote the chair back, caused the supraspinal injury of occupant when the occupant pulls.Because the occupant just can reach the effect that promotes the chair back with the weight that health is resisted the chair back and other part, this is the design that quite is unfavorable for human body Jiankang.And, if occupant's health allows the chair back when free state glides voluntarily not against the chair back, be easy to the situation that the chair back collides rider's body takes place, equally also be the Jiankang that jeopardizes rider's body.This situation is in the extreme higher position at the chair back usually, the user health also be not close to the chair back just with hand go to pull revolve the time take place.
Because the disappearance of above-mentioned existing structure, the inventor invents out a kind of chair-back adjusting device, and it is all shortcomings that can overcome above-mentioned existing structure.
Summary of the invention
The main purpose of chair-back adjusting device of the present invention is, provides a kind of one-handed performance of can realizing to adjust the chair-back adjusting device of the chair back depth, reaches to need not the effect that health or extra manpower come the auxiliary moving chair back.
The secondary objective of chair-back adjusting device of the present invention is, provides a kind of safe and can effectively avoid the occupant to use the chair-back adjusting device of injury, and has the chair-back adjusting device of advantage simple to operate.
For achieving the above object, the technical solution used in the present invention is:
A kind of chair-back adjusting device is characterized in that including:
One tailstock, it is installed with a lower supporting plate and a upper backup pad;
One holder, described holder has a link, the link of described holder is located between the upper and lower gripper shoe of described tailstock, make described upper backup pad and described lower supporting plate driving fit be clamped in described link and generation frictional resistance, described link is provided with an adjustment part;
One control piece, the one end is hubbed on described tailstock, described control piece exposes outside and confession user operation in contrast to an end of described tailstock, described control piece is installed with an adjustment part with respect to the position of described link adjustment part, and described adjustment part is connected in the adjustment part of link.
Compared with prior art, the beneficial effect that has of the present invention is:
1. chair-back adjusting device of the present invention, no matter its middle regulator is not operate control piece or operating under the situation of control piece, mobile arbitrarily problem can not take place because of the deadweight of seat support weight and holder in holder, because the link perseverance maintains the frictional resistance that upper and lower gripper shoe provides, therefore limit effect is good, has quite safe advantage.
2. chair-back adjusting device of the present invention, its middle regulator is more easy in operation, the user only needs the handwheel of one-handed performance control piece, just can reach the effect of the control chair back depth, need not to push away (or drawing) moving chair back, the position of really realizing the one-handed performance adjustment chair back with other position of health again.
3. chair-back adjusting device of the present invention, wherein rotation controling piece moves the link of adjustment part drive holder between described upper and lower gripper shoe, reach the effect of adjusting the chair back depth, and the controlled product of holder drives and when mobile, is to produce simultaneously upwards and backward or downwards and displacement forward.
Description of drawings
Fig. 1 is the stereo appearance figure of chair-back adjusting device of the present invention;
Fig. 2 is the three-dimensional exploded view of chair-back adjusting device of the present invention;
Fig. 3 is the profile that the present invention is got along 3-3 line among Fig. 1;
Fig. 4 is the continuity of Fig. 3 of the present invention, the action of expression holder;
Fig. 5 is the schematic diagram that chair-back adjusting device of the present invention is assembled in the seat and the chair back;
Fig. 6 is the schematic diagram that the traditional Chinese chair chair back is adjusted structure;
Fig. 7 is the schematic diagram that the traditional Chinese chair chair back is adjusted structure.
Description of reference numerals: 10 tailstocks; 101 top plan; 11 sidewalls; 111 pivot holes; 12 lower supporting plates; Plane on 121; 122 stopper slots; 13 upper backup pads; 131 lower planes; 132 breach; 133 support portions; 14 cushion blocks; 20 holders; 21 stiff ends; 22 links; 221 end faces; 222 bottom surfaces; 223 combined holes; 224 locating parts; 225 adjustment parts; 30 control pieces; 31 adjustment parts; 311 steady pins; 32 handwheels; 91 seats; 92 chair back.
The specific embodiment
Relevant the technology used in the present invention, means and effect thereof, lift a preferred embodiment now and cooperate graphic detailed description as after, this only for the usefulness of explanation, is not subjected to the restriction of this kind structure in patent application.
With reference to Fig. 1 and Fig. 2, chair-back adjusting device of the present invention comprises that holder 20 and that a tailstock 10, is located at tailstock 10 is located at the control piece 30 between tailstock 10 and the holder 20, operation control piece 30 is interlock holder 20 simultaneously, and holder 20 is moved with respect to tailstock 10.
Described tailstock 10 is the base positions that are installed in general seat 91 (as Fig. 5), and described tailstock 10 has two side 11.Be installed with a lower supporting plate 12 and a upper backup pad 13 between the two side 11, lower supporting plate 12 has one and goes up plane 121, and upper backup pad 13 has a lower plane 131, and last plane 121 and lower plane 131 are parallel to each other and maintain a distance.Be provided with at least one cushion block 14 between the described upper and lower gripper shoe 12,13, cushion block 14 is used for controlling the distance between the upper and lower plane 121,131.
Described tailstock 10 has a top plan 101, defines top plan 101 herein and is the horizontal plane of zero degree, and the last plane 121 of lower supporting plate 12 and the angle of top plan 101 are that 25 degree are between 35 degree.In like manner, the angle of the lower plane 131 of upper backup pad 13 and top plan 101 is that 25 degree are between 35 degree.
Described lower supporting plate 12 offers the stopper slot 122 of a longitudinal extension.13 of described upper backup pads offer a breach 132, and described upper backup pad 13 is equipped with a support portion 133 respectively in the both sides of breach 132, these two support portions 133 are towards breach 132 inboard extensions of described upper backup pad 13, and the lower plane 131 that makes described upper backup pad 13 is also towards breach 132 inboard extensions.
Described holder 20 has a stiff end 21 and a link 22, stiff end 21 is for the assembling chair back 92 (as Fig. 5), the link 22 of holder 20 is provided in a side of between the lower supporting plate 12 and upper backup pad 13 of tailstock 10, make upper backup pad 13 and lower supporting plate 12 driving fits be clamped in the link 22 of holder 20, the frictional resistance of generation face contact prevents that link 22 from moving arbitrarily between upper and lower gripper shoe 12,13.
The link 22 of described holder 20 has end face parallel to each other 221 and bottom surface 222, define the thickness of link 22 between end face 221 and the bottom surface 222, the thickness of link 22 equals, lower supporting plate 12, on 13, lower plane 121, distance between 131, make the bottom surface 222 of link 22 be contacted with the last plane 121 of lower supporting plate 12, make the end face 221 of link 22 be contacted with the lower plane 131 of upper backup pad 13 simultaneously, on, lower supporting plate 12, therefore 13 produce enough frictional resistance with link 22 three's driving fit clampings, prevent that link 22 is last, lower supporting plate 12, move arbitrarily between 13.So, the chair back 92 deadweight that adds upper fixed seat 20 can not cause link 22 to move arbitrarily between upper and lower gripper shoe 12,13 yet.
The link 22 of described holder 20 is provided with a combined hole 223, described combined hole 223 is to supply in conjunction with a locating part 224, described locating part 224 is to be extended through the stopper slot 122 of lower supporting plate 12 and combined hole 223 places that are combined in link 22, so reaches the effect of restriction holder 20 movings range.Locating part 224 in the present embodiment is to combine threadably with combined hole 223.Described link 22 is provided with an adjustment part 225, and described adjustment part 225 is longitudinal extension end faces 221 at link 22.
Described control piece 30 is to be hubbed on the two side 11 of tailstock 10, the two side 11 of tailstock 10 offers a pivot hole 111 respectively, one end of control piece 30 is located in the pivot hole 111 of two side 11, and control piece 30 is exposed outside and confession user operation in contrast to an end of tailstock 10.
Described control piece 30 is installed with an adjustment part 31, and adjustment part 31 is connected in the adjustment part 225 of link 22.In more detail, described control piece 30 is installed with an adjustment part 31 between two side 11, adjustment part 31 is to pass the breach 132 of upper backup pad 13 and the adjustment part 225 that is connected in link 22, the link 22 that makes adjustment part 31 drive holder 20 by rotation controling piece 30 moves between described upper and lower gripper shoe 12,13, reaches the effect of adjusting the chair back 92 depths.And the controlled products 30 of holder 20 drive and when mobile, are to produce simultaneously upwards and backward or downwards and displacement forward, this is because upper and lower plane 121,131 and top plan 101 maintain the relation of an angle.
With reference to Fig. 3, be the do not pivot schematic diagram of control piece 30 of chair-back adjusting device of the present invention.The link 22 of holder 20 is between the upper and lower gripper shoe 12,13 of tailstock 10 time, because upper and lower gripper shoe 12,13 driving fits grip the link 22 of seat 20, produce enough frictional resistance, so the weight of the chair back 92 add upper fixed seat 20 weight after can not cause link 22 between upper and lower gripper shoe 12,13, to move arbitrarily yet, have good limit function.Therefore, the effect of the safety that reaches is effectively avoided user's actual bodily harm simultaneously.
With reference to Fig. 4, be the schematic diagram of chair-back adjusting device pivot control piece 30 of the present invention.When the pivot handwheel 32 of control piece 30 of user, overcome the frictional resistance between upper and lower gripper shoe 12,13 and link 22 threes, make the adjustment part 225 (please cooperating with reference to Fig. 3 simultaneously) of the adjustment part 31 interlock toothrow structures of gear structure herein, order about link 22 and between upper and lower gripper shoe 12,13, move, can utilize one-handed performance to reach the effect of adjusting the chair back 92 depths.
It should be noted that, no matter adjusting device of the present invention is not operate control piece 30 or operating under the situation of control piece 30, mobile arbitrarily problem can not take place because of the deadweight of seat support 92 weight and holder 20 in holder 20, because upper and lower gripper shoe 12,13 frictional resistance that provided are provided link 22 perseverances, therefore limit effect is good, has quite safe advantage.
And chair-back adjusting device of the present invention is more easy in operation, and the user only needs the handwheel 32 of one-handed performance control piece 30, just can reach the effect of the control chair back 92 depths, need not to push away (or drawing) moving chair back 92 with other position of health again.As long as rotation controling piece 30 is arranged, holder 20 just and then moves synchronously, and when stopping operating control piece 30, holder 20 just stops to move and stopping at the desired position synchronously.
Can summarize the present invention with regard to the above and have following advantage:
1. chair-back adjusting device of the present invention is no matter its middle regulator is not operate control piece or in the operation control In the situation of product, holder can not take place because of the deadweight of seat support weight and holder to move arbitrarily Problem, because the link perseverance maintains the frictional resistance that upper and lower gripper shoe provides, so limit effect is good Good, have quite safe advantage.
2. chair-back adjusting device of the present invention, its middle regulator is more easy in operation, and the user only needs list The handwheel of hand operated control piece just can reach the effect of controlling the chair back depth, need not to use other one of health again The position pushes away (or drawing) moving chair back, the position of really realizing the one-handed performance adjustment chair back.
3. chair-back adjusting device of the present invention, wherein rotation controling piece makes adjustment part drive the link of holder in institute Mobile between the upper and lower gripper shoe of stating, reach the effect of adjusting the chair back depth, and holder is by control piece Driving and when mobile, is to produce simultaneously upwards and backward or downwards and displacement forward.
More than explanation is for the purpose of the present invention just illustrative, and nonrestrictive, ordinary skill people The member understands, in the situation that does not break away from the spirit and scope that claim limits, can make many modifications, Change or equivalence, but all will fall within protection scope of the present invention.
Claims (9)
1. chair-back adjusting device is characterized in that including:
One tailstock, it is installed with a lower supporting plate and a upper backup pad;
One holder, described holder has a link, the link of described holder is located between the upper and lower gripper shoe of described tailstock, make described upper backup pad and described lower supporting plate driving fit be clamped in described link and generation frictional resistance, described link is provided with an adjustment part;
One control piece, the one end is hubbed on described tailstock, described control piece exposes outside and confession user operation in contrast to an end of described tailstock, described control piece is installed with an adjustment part with respect to the position of described link adjustment part, and described adjustment part is connected in the adjustment part of link.
2. chair-back adjusting device according to claim 1, it is characterized in that: described lower supporting plate has one and goes up the plane, described upper backup pad has a lower plane, described plane and the described lower plane gone up is parallel to each other and maintain a distance, the link of described holder has end face parallel to each other and bottom surface, define the thickness of described link between described end face and the described bottom surface, the thickness of described link equal described on, on the lower supporting plate, distance between the lower plane, the last plane contact of the bottom surface of described link and described lower supporting plate, the end face of described link contacts with the lower plane of described upper backup pad, on described, lower supporting plate and described link three driving fit clamping, therefore produce enough frictional resistance, prevent that described link is on described, move arbitrarily between the lower supporting plate.
3. chair-back adjusting device according to claim 2, it is characterized in that: described upper backup pad offers a breach, and described upper backup pad is equipped with a support portion respectively in the both sides of described breach, these two support portions are towards the inboard extension of the breach of described upper backup pad, and the lower plane that makes described upper backup pad is also towards the inboard extension of described breach.
4. chair-back adjusting device according to claim 3, it is characterized in that: described tailstock has a top plan, described top plan is the horizontal plane of zero degree, the last plane of described lower supporting plate and the angle of described top plan are between 25 degree are spent to 35, and the lower plane of described upper backup pad and the angle of described top plan are that 25 degree are between 35 degree.
5. according to claim 2,3 or 4 described chair-back adjusting devices, it is characterized in that: be provided with at least one cushion block between the described upper and lower gripper shoe, be used for controlling the distance between the described upper and lower plane.
6. chair-back adjusting device according to claim 1, it is characterized in that: described adjustment part is a gear structure, the adjustment part of described link is a toothrow structure, and described adjustment part and described adjustment part utilize gears engaged to reach the interlock effect in toothrow.
7. chair-back adjusting device according to claim 5, it is characterized in that: described adjustment part is a gear structure, the adjustment part of described link is a toothrow structure, and described adjustment part and described adjustment part utilize gears engaged to reach the interlock effect in toothrow.
8. chair-back adjusting device according to claim 7 is characterized in that: described control piece is provided with a handwheel for user's pivot action in contrast to an end of described tailstock, and described handwheel diameter is greater than the diameter of the gear structure of described adjustment part.
9. according to claim 1,2 or 6 described chair-back adjusting devices, it is characterized in that: described lower supporting plate offers the stopper slot of a longitudinal extension, the link of described holder is provided with a combined hole, described combined hole is for a locating part combination, and described locating part is extended through in the stopper slot of described lower supporting plate and is combined in the combined hole place of described link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810090617 CN101548824A (en) | 2008-04-02 | 2008-04-02 | Chair-back adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810090617 CN101548824A (en) | 2008-04-02 | 2008-04-02 | Chair-back adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101548824A true CN101548824A (en) | 2009-10-07 |
Family
ID=41153497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810090617 Pending CN101548824A (en) | 2008-04-02 | 2008-04-02 | Chair-back adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101548824A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230043045A1 (en) * | 2020-04-09 | 2023-02-09 | Jongsung HWANG | Chair for reducing load on buttocks and waist |
-
2008
- 2008-04-02 CN CN 200810090617 patent/CN101548824A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230043045A1 (en) * | 2020-04-09 | 2023-02-09 | Jongsung HWANG | Chair for reducing load on buttocks and waist |
| US11877659B2 (en) * | 2020-04-09 | 2024-01-23 | Jongsung HWANG | Chair for reducing load on buttocks and waist |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20091007 |