CN202800775U - Chair back angle adjusting and locating device of chair - Google Patents
Chair back angle adjusting and locating device of chair Download PDFInfo
- Publication number
- CN202800775U CN202800775U CN 201220406404 CN201220406404U CN202800775U CN 202800775 U CN202800775 U CN 202800775U CN 201220406404 CN201220406404 CN 201220406404 CN 201220406404 U CN201220406404 U CN 201220406404U CN 202800775 U CN202800775 U CN 202800775U
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- China
- Prior art keywords
- pinion stand
- chair
- seat
- pinion
- groove
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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.)
- Expired - Lifetime
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Abstract
The utility model provides a chair back angle adjusting and locating device of a chair, which is arranged at the connection part between a chair back and a seat. The chair back angle adjusting and locating device comprises two gear seats and a control mechanism, wherein axle holes are respectively formed in the middle parts of the two gear seats; a mounting shaft passes through the axle hole; the two gear seats can be jointed with each other or separated from each other; one gear seat is connected with the chair back, and the other gear seat is connected with the seat; the control mechanism is used for separating and jointing the two gear seats; after being separated from each other, the two gear seats respectively rotate around the mounting shaft; and after being jointed, the two gear seats can not rotate relatively. After the structure is adopted, the chair back angle adjusting and locating device of the chair is simple in structure and convenient to operate, and has better stability and can bear higher pressure compared with the conventional locating way.
Description
Technical field
The utility model is about a kind of chair-back angle regulation positioner of seat, particularly a kind of guiding mechanism that can have a convenient and better position stability of operation.
Background technology
The tradition chair back is to make the back of lying when sitting have good comfortableness generally the mechanism with adjustable angle of back-rest can be installed on the seat, the mechanism design of traditional adjustable angle of back-rest generally adopts a body chassis is set below seat support, and chair back bottom engages with this body chassis, and by body chassis design so that cart with angle adjustable chair back, yet should design must assemble expensive body chassis, the agency cost of the adjustable angle of back-rest of this class formation is higher, and this body chassis is not suitable for such as large-scale seats such as sofa, leisure chaise longues.
And for example Figure 10 shows that the structure (U.S. Patent number is US7735925) of the another kind of adjustable angle of back-rest of utility model people design, set firmly guide rod 102 on the base 101, and positioner 104 is set on seat support 103, but and these positioner 104 fit guide rods 102, and can restraint and close or loosening up, the chair back 105 belows and seat support 103 rears articulate interlock again, so that can drive the chair back 105 layback and make seat support 103 reaches by power by lying of the arm-chair back of the body 105 of lying when making positioner 104 loosen, again positioner 104 is tightened the fixedly chair back 105 layback angles of guide rod 102, and this design can so that during the chair back 105 layback seat support 103 can corresponding move forward, and can have better lying by comfortableness.
Yet aforementioned structure is to close guide rod 102 modes by bundle to fix because of positioner 104, closes mode and still the slip situation may be arranged when the chair back 105 bears when lying more greatly by power this bundle, thereby still can improve again.
The utility model content
In order to address the above problem, the purpose of the utility model provide a kind of by engagement system location angle of back-rest with the better stability of tool, and can have an operation ease.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of chair-back angle regulation positioner of seat, be located at the chair back and seat support link position, it is characterized in that comprising: two pinion stands and controlling organization, be provided with axis hole in the middle of described two pinion stands, axis hole is equipped with installation shaft, two pinion stands can be bonded with each other and separate, wherein a pinion stand is connected with the chair back, and another pinion stand is connected with seat support, described controlling organization for separating of with engage two pinion stands, two pinion stands can rotate around installation shaft after separating separately, and two pinion stands can not relatively rotate after engaging.
Described two pinion stands comprise:
The first pinion stand, and be provided with the first axle part, this first axle part is provided with the first axis hole again, and a side outer rim arranges the first groove;
The second pinion stand, described the second pinion stand is provided with the second axle part, described the second axle part is provided with the second axis hole, and arrange in aforementioned the first groove of correspondence one side place can with the second groove of the first groove engagement.
Described control device comprises:
One location division, described location division is arranged on the second pinion stand, and corresponding the second groove another side is located in the location division of described the second pinion stand, and described location division arranges first and second locating slot of differing heights in Difference angles;
One elastic parts is located between first and second pinion stand, and provides start elastic force for first and second pinion stand;
One handgrip mechanism, be provided with grip base, described grip base is provided with the 3rd axial region, and the 3rd axial region engages with handle, described the 3rd axial region is provided with Triaxial hole, and install in the position point of corresponding the second pinion stand of a side can be in the Actuator Division of location division Difference angles location; The Actuator Division of described handgrip mechanism arranges the positioning body that can embed the first or second locating slot; Described installation shaft intert grip base, first and second pinion stand the 3rd, the combination of first, second axis hole;
Can control by this handle and make Actuator Division corresponding location division action, and can make first and second groove engagement locking angle of back-rest of first and second pinion stand or not mesh and make the action of angle of back-rest capable of regulating.
The first locating slot evagination height of described the second pinion stand location division is higher than the second locating slot, and in first and second locating slot one side first and second gear is set respectively and keeps to the side, and arranges between first and second locating slot again and leads hypotenuse.
The location division of described the second pinion stand protrudes from corresponding the second groove opposite side of the second pinion stand surface, but the Actuator Division of described grip base is provided with the fit slot of fit location division, and described positioning body is located on the fit slot inwall.
Corresponding the first groove middle position indent of described the first pinion stand is provided with the first holding part; Described the second pinion stand is provided with indent the second holding part in corresponding the second groove middle position, and described elastic parts is located at aforementioned first and second holding part position.
Described the first pinion stand is provided with the first bond post in the first axle part outer rim, and described the first bond post engages with chair back bottom; Described the second pinion stand is provided with the second bond post in the second axle part outer rim, and described the second bond post engages with chair base rear end; The grip base of described handgrip mechanism is provided with the 3rd bond post in the 3rd axial region outer rim, and described the 3rd bond post engages handle.
Described seat is provided with pedestal, pedestal comprises armrest part and guide rod, and this chair back one side is hubbed on the pedestal top armrest part of seat, the seat support side is provided with the guide rod of fit section fit pedestal, chair back below is provided with the first bond post of trepanning fit the first pinion stand, and chair base rear end is located at the second bond post of trepanning fit the second pinion stand again.
The beneficial effects of the utility model are: the utility model can be controlled handle and make first and second groove engagement locking of first and second pinion stand or do not mesh the capable of regulating action, and when making the positioning body of grip base be positioned at the first locating slot position this positioning body can make first and second groove of the second pinion stand and the first pinion stand mesh each other and simultaneously elasticity of compression assembly locate angle of back-rest; Can grip again handle makes the location division of corresponding second pinion stand of the 3rd axial region of grip base pivot, and make positioning body movable to the second locating slot position, and this is led hypotenuse and can promote the start smoothness, and make first and second gear hold expansion by elastic parts, and make first and second groove section can break away from engagement, so that the angle of the corresponding seat support of chair back capable of regulating.Adopt the utility model of said structure easy to operate, again because the utility model is to mesh orientation angle by groove, relatively traditional locate mode has better stable effect.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified:
Fig. 1 is the exploded view of the utility model;
Fig. 2 is the second pinion stand, another angle decomposition of grip base figure of the utility model;
Fig. 3 is the stereogram after the assembling of the utility model;
Fig. 4 is that the utility model is assembled on the seat and is the lock-out state schematic diagram;
Fig. 5 is that the utility model is assembled on the seat and is lock-out state cross-sectional schematic one;
Fig. 6 is that the utility model is assembled on the seat and is lock-out state cross-sectional schematic two;
Fig. 7 is the utility model control relaxation state action schematic diagram;
Fig. 8 is the utility model relaxation state cross-sectional schematic one;
Fig. 9 is the utility model relaxation state cross-sectional schematic two;
Figure 10 is traditional chair-back angle regulation structural representation.
Number in the figure is: 1 first pinion stand, 11 the first axle parts, 12 first bond posts
13 first axis holes, 14 first grooves, 15 first holding parts
2 second pinion stands, 21 the second axle parts, 22 second bond posts
23 second axis holes, 24 second grooves, 26 location divisions
261 first locating slots, 262 second locating slots, 263 first gears keep to the side
264 second gears keep to the side 265 to lead hypotenuse 3 elastic parts
4 handgrip mechanisms, 41 grip bases 411 the 3rd axial region
42 handles 412 the 3rd bond post, 413 Triaxial holes
415 Actuator Divisions, 5 installation shaft, 51 bolts
The specific embodiment
With reference to Fig. 1～Fig. 6, the utility model is a kind of device for adjustable positioner for back of seat, be located at the chair back 6 and seat support 7 link positions, and as shown in Figure 4 and Figure 5, these chair back 6 one sides are hubbed on the pedestal 8 top armrest parts 81 of seat, seat support 7 sides are provided with the guide rod 82 of fit section 72 fit pedestals 8 again, and device for adjustable positioner for back comprises one first pinion stand 1, one second pinion stand 2, one elastic parts 3, one handgrip mechanism 4, one installation shaft 5, wherein this first pinion stand 1 is provided with the first axle part 11, and in the first axle part 11 outer rims the first bond post 12 is set, and as shown in Figure 4 and Figure 5, this first bond post 12 engages with the chair back 6 bottoms, and these chair back 6 belows are provided with trepanning 61 covers should the first bond post 12, these the first axle part 11 centers are provided with the first axis hole 13 again, and one the side outer rim the first groove 14 is set, and corresponding the first groove 14 middle position indents are provided with the first holding part 15.
As shown in the figure, the second pinion stand 2 is provided with the second axle part 21, and in the second axle part 21 outer rims the second bond post 22 is set, and this second bond post 22 engages with seat support 7 rear ends, and these seat support 7 rear ends are provided with trepanning 71 covers should the second bond post 22, these the second axle part 21 centers are provided with the second axis hole 23 again, and the 14 1 lateral location settings of aforementioned the first groove of correspondence can with the second groove 24 of the first groove 14 engagements, and be provided with indent the second holding part 25 at corresponding the second groove 24 middle positions, evagination is set in the location division 26 of this side surface in corresponding the second groove 24 another sides again, and this location division 26 arranges first of different evagination height in Difference angles, two locating slots 261,262, and the first locating slot 261 evagination height are higher than the second locating slot 262, and in first, two locating slots 261,262 1 sides arrange respectively first, two gears keep to the side 263,264, again in first, two locating slots 261, hypotenuse 265 is led in 262 settings.
As shown in the figure, elastic parts 3 is located at first and second pinion stand 1,2 first and second holding part 15,25 positions, and first and second pinion stand 1,2 start elastic force are provided.
As shown in the figure, handgrip mechanism 4 is provided with grip base 41, and this grip base 41 is provided with the 3rd axial region 411, and the 3rd axial region 411 outer rims arrange the 3rd bond post 412, and the 3rd bond post 412 joint handles 42, the 3rd axial region 411 centers are provided with Triaxial hole 413 again, and in 26 positions, location division of corresponding the second pinion stand 2 of a side Actuator Division 414 is set, and but the fit slot 415 that this Actuator Division 414 arranges fit location divisions 26 is with the better composite entity texture of tool, and in corresponding the first locating slot 261 of fit slot 415 inwalls or the second locating slot 262 positions the positioning body 416 that can embed the first locating slot 261 or the second locating slot 262 is set.
As shown in the figure, installation shaft 5 intert grip bases 41, first and second pinion stand 1,2 the 3rd, first, second axis hole 413,13,23, and an end is engaged by set bolt 51.
As shown in the figure, the utility model can be controlled handle 42 and make first and second pinion stand 1, first and second groove 14 of 2,24 engagement lockings or do not mesh the capable of regulating action, and such as Fig. 4, Fig. 5 and shown in Figure 6, when the utility model makes the positioning body 416 of grip base 41 be positioned at the first locating slot 261 position this positioning body 416 can with first the gear keep to the side 263 against, and first and second groove 14,24 that makes the second pinion stand 2 and the first pinion stand 1 can mesh each other and simultaneously elasticity of compression assembly 3 with the location chair back 6 angles, simple in structure, easy to operate.
With reference to Fig. 7～Fig. 9, the utility model wish can grip handle 42 when adjusting the chair back 6 angle makes the location division 26 of the 3rd axial region 411 corresponding second pinion stands 2 of grip base 41 pivot, and make positioning body 416 movable to the second locating slot 262 positions and with the second gear keep to the side 264 against, and this is led hypotenuse 265 and can promote the start smoothness, and make first, two pinion stands 1,2 can hold expansion by elastic parts 3, and make first, two groove sections 14,24 can break away from engagement, so that the angle of the corresponding seat support 7 of the chair back 6 capable of regulatings, and can operate again handle 42 after adjusting and make grip base 41 oppositely pivot, and make positioning body 416 be positioned at as shown in Figure 5 the first locating slot 261 positions, so that can make first, two pinion stands 1,2 first, two grooves 14, angle after 24 engagement location are adjusted, and make the utility model can have an operation ease.
The utility model adopts groove to mesh orientation angle, and simple in structure, easy to operate, relatively traditional locate mode has better stable effect.Aforementioned first and second pinion stand also can be engaged with the chair back, seat support respectively by pivot joint or alternate manner again, and first and second pinion stand also can engage with seat support, the chair back respectively, and can have the utility model demand effect, not necessarily must adopt the bond post connected mode in the present embodiment.
Above-described embodiment is preferred version of the present utility model, and the utility model also can have other embodiments.Those skilled in the art also can make equivalent variations or replacement under the prerequisite of the utility model spirit, the modification that these are equal to or replacement all are included in the application's claim limited range.
Claims (8)
1. the chair-back angle regulation positioner of a seat, be located at the chair back and seat support link position, it is characterized in that comprising: two pinion stands and controlling organization, be provided with axis hole in the middle of described two pinion stands, axis hole is equipped with installation shaft, two pinion stands can be bonded with each other and separate, wherein a pinion stand is connected with the chair back, another pinion stand is connected with seat support, described controlling organization for separating of with engage two pinion stands, two pinion stands can rotate around installation shaft after separating separately, and two pinion stands can not relatively rotate after engaging.
2. the chair-back angle regulation positioner of a kind of seat as claimed in claim 1 is characterized in that described two pinion stands comprise:
The first pinion stand, and be provided with the first axle part, this first axle part is provided with the first axis hole again, and a side outer rim is provided with the first groove;
The second pinion stand, described the second pinion stand is provided with the second axle part, described the second axle part is provided with the second axis hole, and arrange in aforementioned the first groove of correspondence one side place can with the second groove of the first groove engagement.
3. the chair-back angle regulation positioner of a kind of seat as claimed in claim 2 is characterized in that described control device comprises:
One location division, described location division is arranged on the second pinion stand, and corresponding the second groove another side is located in the location division of described the second pinion stand, and described location division arranges first and second locating slot of differing heights in Difference angles;
One elastic parts is located between first and second pinion stand, and provides start elastic force for first and second pinion stand;
One handgrip mechanism, be provided with grip base, described grip base is provided with the 3rd axial region, and the 3rd axial region engages with handle, described the 3rd axial region is provided with Triaxial hole, and install in the position point of corresponding the second pinion stand of a side can be in the Actuator Division of location division Difference angles location; The Actuator Division of described handgrip mechanism arranges the positioning body that can embed the first or second locating slot; Described installation shaft intert grip base, first and second pinion stand the 3rd, the combination of first, second axis hole;
Can control by this handle and make Actuator Division corresponding location division action, and can make first and second groove engagement locking angle of back-rest of first and second pinion stand or not mesh and make the action of angle of back-rest capable of regulating.
4. the chair-back angle regulation positioner of a kind of seat as claimed in claim 3, the the first locating slot evagination height that it is characterized in that described the second pinion stand location division is higher than the second locating slot, and in first and second locating slot one side first and second gear is set respectively and keeps to the side, between first and second locating slot, arrange again and lead hypotenuse.
5. the chair-back angle regulation positioner of a kind of seat as claimed in claim 3, the location division that it is characterized in that described the second pinion stand protrudes from corresponding the second groove opposite side of the second pinion stand surface, but the Actuator Division of described grip base is provided with the fit slot of fit location division, and described positioning body is located on the fit slot inwall.
6. such as a kind of chair-back angle regulation positioner of the seat as described in the claim 1,2,3,4 or 5, it is characterized in that corresponding the first groove middle position indent of described the first pinion stand is provided with the first holding part; Described the second pinion stand is provided with indent the second holding part in corresponding the second groove middle position, and described elastic parts is located at aforementioned first and second holding part position.
7. the chair-back angle regulation positioner of a kind of seat as claimed in claim 6 is characterized in that described the first pinion stand is provided with the first bond post in the first axle part outer rim, and described the first bond post engages with chair back bottom; Described the second pinion stand is provided with the second bond post in the second axle part outer rim, and described the second bond post engages with chair base rear end; The grip base of described handgrip mechanism is provided with the 3rd bond post in the 3rd axial region outer rim, and described the 3rd bond post engages handle.
8. the chair-back angle regulation positioner of a kind of seat as claimed in claim 7, it is characterized in that described seat is provided with pedestal, pedestal comprises armrest part and guide rod, and this chair back one side is hubbed on the pedestal top armrest part of seat, the seat support side is provided with the guide rod of fit section fit pedestal, chair back below is provided with the first bond post of trepanning fit the first pinion stand, and chair base rear end is located at the second bond post of trepanning fit the second pinion stand again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220406404 CN202800775U (en) | 2012-08-16 | 2012-08-16 | Chair back angle adjusting and locating device of chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220406404 CN202800775U (en) | 2012-08-16 | 2012-08-16 | Chair back angle adjusting and locating device of chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202800775U true CN202800775U (en) | 2013-03-20 |
Family
ID=47859729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220406404 Expired - Lifetime CN202800775U (en) | 2012-08-16 | 2012-08-16 | Chair back angle adjusting and locating device of chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202800775U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102813392A (en) * | 2012-08-16 | 2012-12-12 | 中山凯美日用品有限公司 | Angle adjusting and positioning device for chair back |
| CN110558760A (en) * | 2019-09-20 | 2019-12-13 | 林长贞 | Chair assembly structure |
-
2012
- 2012-08-16 CN CN 201220406404 patent/CN202800775U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102813392A (en) * | 2012-08-16 | 2012-12-12 | 中山凯美日用品有限公司 | Angle adjusting and positioning device for chair back |
| CN110558760A (en) * | 2019-09-20 | 2019-12-13 | 林长贞 | Chair assembly structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130320 |