CN201091373Y - Rocking chair synchronization leaning overhead mechanism - Google Patents
Rocking chair synchronization leaning overhead mechanism Download PDFInfo
- Publication number
- CN201091373Y CN201091373Y CNU2007201391116U CN200720139111U CN201091373Y CN 201091373 Y CN201091373 Y CN 201091373Y CN U2007201391116 U CNU2007201391116 U CN U2007201391116U CN 200720139111 U CN200720139111 U CN 200720139111U CN 201091373 Y CN201091373 Y CN 201091373Y
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- Prior art keywords
- synchronous
- base
- rocking chair
- convex part
- reinforcement spring
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Abstract
The utility model relates to a rocking chair synchronous inclination mechanism, comprising a base, a back rest, a seat rest, a reinforced spring and an adjusting device. The back rest and the seat rest are articulated with the base, the reinforced spring is arranged between the base and the back rest, the adjusting device is used for adjusting the strength of the reinforced spring and comprises a stress relaxation device which leads the active end of the reinforced spring to move relatively to the fixed end; the stress relaxation device comprises at least one gibbous component articulated on the base, the fixed end of the reinforced spring is connected on the back rest, the active end is acted on by the gibbous component. The reinforced spring is arranged between the base and the seat rest, with the axial direction basically parallel to the horizontal direction, thus being guaranteed to have reliable return release force in all directions. Proved by the fact, the structure is more convenient for production and operation, and the use performance is excellent, the service life is prolonged due to relatively reduced abrasion.
Description
[technical field]
The utility model relates to the synchronous inclining mechanism of a kind of rocking chair, the rocking chair of the utility model indication, refer to that mainly a kind of back rest, seat frame are associated on the base, and when one of them is applied in pressure and reclining when action takes place, the chair of synchronous reclining all can take place in each parts, especially comprise chaise longue and armchair, this class chair is applied in the office occasion more.
[background technology]
In the prior art, the synchronous inclining mechanism of described rocking chair is provided with at least one reinforcement spring, places between back rest and the seat frame, to provide a reliable reaction force with respect to any one of base by the spinning movement of user operation at backrest.Described reinforcement spring adopts helical spring usually, its intensity can be adjusted by corresponding device thereof by the user, this device can be compressed to the other end from an end of spring with spring, like this, the length of reinforcement spring is corresponding to be changed, and user's applied pressure just obtains the suitable reaction of returning the power of releasing of spring.
In the EP0956793A2 patent documentation with the application of the applicant's name, relate to the use of the lazy-tongs of chaise longue or armchair, include a reinforcement spring, place between the base and back rest of chaise longue or armchair; And the adjusting device that is used to regulate the intensity of reinforcement spring, it has a movable connector of being located at the reinforcement spring end that links with base.Described mobilizable connector slidably is connected with the base of chaise longue or armchair, has an inclined surface to be connected mutually with a wedge shape part, adopts sliding type equally.But, on the horizontal and glide direction of above-mentioned movable connector, described wedge shape part can be operated by user's rotation by a control lever, this control lever places the place ahead at seat, because the influence of described inclined surface, the displacement of described mobilizable connector has just defined the movable range of an end of described reinforcement spring with respect to the other end, thereby in use changes the length of this spring.
Although relatively effectively, the frame for movement of the described adjusting device that is used for mobile spring is more complicated still, produces and the difficulty increase of fit on so must make, and the result makes the production cost of rocking chair of chaise longue or armchair and so on surging.
International Patent Application WO 0258514A1 has described a kind of seat frame and back rest all can be with respect to the governor motion of the synchronous rocking chair that rotates of base, be provided with two compression springs, place between base and the back rest, for described back rest provides an adjustable intensity with respect to the rotation of base.The adjusting device of spring strength is fixed on the described back rest, this adjusting device comprises a convex part, this convex part is connected mutually with a connecting rod, can be rotated by the user, this connecting rod one end is hinged mutually with described back rest, the other end then with act on back rest on the end of two springs be hinged mutually.Connecting rod is decided by the rotation of described convex part with respect to the rotation of pin joint, in case static, the length of spring is changed, and therefore cause spring strength to change.
In the solution of EP0956793A2 number application, back rest can make spring with respect to the adjusting device generation rotation by a small margin that is fixed on the base with respect to the rotation of base, may wear and tear between the parts, perhaps at movable connector, variation may meet accident on adjustable wedge shape part and the link position between the spring end, different with it is, the assembling of the spring regulating device described in the WO02058514A1 on the back rest can guarantee that wearing and tearing and variation can not take place for corresponding spring and adjusting device, and guarantees that simultaneously adjusting device and reinforcement spring can be rotated equally effectively.
In any case, the mechanism that in WO02058514A1, is disclosed, the user relies on a rotation control lever that is installed in the rear, seat that described convex part is operated, and its difficulty is well imagined.
[utility model content]
The purpose of this utility model is to provide a kind of rocking chair synchronous inclining mechanism, solving aforementioned problems of the prior art, by an adjusting device that is used to regulate the elastic strength of reinforcement spring is set, produces in the hope of being more convenient for and is convenient to user's operation.
For achieving the above object, the utility model adopts following technical scheme:
The synchronous inclining mechanism of rocking chair of the present utility model, comprise base, back rest, seat frame, reinforcement spring and adjusting device, back rest and seat frame and base are hinged, reinforcement spring is arranged between described base and the back rest, adjusting device is used to regulate the intensity of described reinforcement spring, comprise the tension and relaxation device that the movable end that makes reinforcement spring moves with respect to stiff end, described tension and relaxation device comprises at least one convex part on described base of being hinged, the stiff end of described reinforcement spring is connected on the back rest, and movable end then is subjected to the effect of described convex part.
In addition, described tension and relaxation device at least also can comprise a connecting rod, and this connecting rod one end and described backrest are hinged, and the other end then is connected with the movable end of described reinforcement spring, can match with this connecting rod with this described convex part.
Preferably, this synchronous inclining mechanism also comprises at least one connector, and this connector is linked between the movable end and described convex part of described reinforcement spring, perhaps, when being provided with described connecting rod, this connector then is linked between the movable end and described connecting rod of described reinforcement spring.
For ease of control, described convex part can think that the user provides rotatable operation by being connected with the control lever that inserts base.
It is good that described reinforcement spring adopts helical spring.The axial substantially parallel setting of described reinforcement spring with horizontal direction.
Described convex part can be the columnar member with oval bottom surface, perhaps is the columnar member with rounded bottom surface, and is hinged with described base off-centre.
Compared with prior art, the utlity model has following advantage: because described reinforcement spring places between base and the seat frame, its axially basically with horizontal direction parallel, can guarantee that so reinforcement spring all has the power of releasing of returning reliably on all directions, fact proved, this structure is more convenient for producing and operation, and its serviceability is also preferable, and service life is because the relative minimizing of wearing and tearing is also prolonged.
[description of drawings]
Fig. 1 is the cross section view of the synchronous inclining mechanism of the utility model rocking chair;
Fig. 2 is the partial perspective view of Fig. 1, obtains from another visual angle.
[specific embodiment]
Below in conjunction with drawings and Examples the utility model is further described:
As depicted in figs. 1 and 2, the synchronous inclining mechanism of a kind of rocking chair of the utility model comprises the base 1 of indication in the known technology, body 13 with confession installing support bar (not shown) is so that be placed on the ground (not shown), and this base 1 is connected with back rest 3 with seat frame 2 respectively with a rotating shaft 11 by a connecting rod 12.Described seat frame 2, the seat of carrying rocking chair; Described back rest 3 is mutually integrated with the backrest of rocking chair.Seat frame 2 and back rest 3 be based on being connected that base 1 is associated in rotary manner, therefore when one of any when reclining taking place moving in seat frame 2 and the back rest 3, just can realize between them as the described synchronous reclining of known technology.
Placing between described base 1 and the back rest 2 is a reinforcement spring 4, adopts helical spring in this preferred embodiment, and the movable end 15 of this reinforcement spring 4 is connected with mutually with described base 1 indirectly, and 16 of stiff ends and described back rest 3 buckle.
The synchronous inclining mechanism of rocking chair of the present utility model also comprises by institute's target 5,6,7 among Fig. 1 and Fig. 2,8,9,10, the 14 common adjusting devices that constitute, in order to regulate the elastic strength of described reinforcement spring 4, be installed on the described base 1, have the tension and relaxation device 5,6 that the movable end 15 with reinforcement spring 4 moves with respect to its stiff end 16,7,8.This tension and relaxation device 5,6,7,8 comprises at least one convex part 5, and this convex part 5 is hinged with pivot 6 on the base 1, is processed to directly or indirectly to act on the shape of the movable end 15 of described reinforcement spring 4.
Operate the rotate effect of the convex part 5 of generation by the user, will further understand below.It is that stiff end 16 carries out variable motion with respect to its other end that this convex part 5 allows the movable end 15 of described reinforcement spring 4, makes the active length of reinforcement spring 4 change with the variation of the angular coordinate of this convex part 5.The different length that reinforcement spring 4 obtains when static, the perhaps different load that carried of reinforcement spring 4, determined reinforcement spring 4 different return the power of releasing, therefore the elastic strength of reinforcement spring 4 is can the phase strain big or diminish when using rocking chair.
In the present embodiment, described convex part 5 integral body are the columnar metal spare with oval bottom surface, are installed on the base 1 with rotation mode, rely on the somewhere on the vertical direction of a pivot 6 and the oval bottom surface of convex part 5 to be hinged mutually.
In addition, place the parts of any other shape on the base 1, as long as can directly or indirectly match with the movable end 15 of described reinforcement spring 4, make described reinforcement spring 4 produce variable motion with the variation of the angular coordinate of these parts self, just can use as described convex part 5.For example, these convex part 5 integral body can be processed to be the cylindrical member with rounded bottom surface, are hinged with described base 1 off-centre.
Described convex part 5 can be rotated by a rotation control lever 14 (referring to Fig. 2) by the user, and this rotation control lever 14 is connected with described convex part 5 by described pivot 6, is installed on the base 1 also relative base 1 evagination in rotary manner in the place ahead, seat.
Described rotation control lever 14 makes the user be convenient to more described convex part 5 is operated.
The rotation of this rotation control lever 14 or convex part 5 can be limited by the rotation obstruction piece (not shown) that can match, and at this moment, described convex part 5 just only is limited in the limited angular range and is rotated for the user.
The illustrated above-mentioned adjusting device that is used for regulating the elastic strength of reinforcement spring 4, it is used for the tension and relaxation device 5 of the movable end 15 of mobile reinforcement spring 4,6,7,8 also comprise a connecting rod 7, and an end of this connecting rod 7 is hinged on base 1 by movable axis 8,9 of the other ends directly are not connected with base 1, but be connected with the movable end 15 of described reinforcement spring 4 by movable axis 9, so, connecting rod 7 just constitutes described convex part 5 direct acting parts.Especially, the end of connecting rod 7 (label 9 residing ends among Fig. 2) can be hinged mutually with a mobilizable connector 10, then this connector 10 sets firmly mutually with the movable end 15 of described reinforcement spring again, so, movable axis 9 residing connecting rod 7 ends are with respect to the rotation of the front end of movable axis 8 residing connecting rods 7, and the reliable of stiff end 16 that can produce from described connector 10 to reinforcement spring 4 moved.
By this kind mode, described convex part 5 can match with connecting rod 7 as midpoint corresponding to certain point of described connecting rod 7, connecting rod 7 is with respect to the rotation of movable axis 8, be decided by the rotation of convex part 5, determined the amount of movement between movable end 15 relative its stiff ends 16 of reinforcement spring 4, the result changes the elastic strength of reinforcement spring 4.
Embodiment as a simplification, not shown in figures, but can be with reference to figure 1 and Fig. 2, in the synchronous inclining mechanism of rocking chair described in the utility model, described can directly being connected, if desired by rotating the convex part 5 that control lever 14 is rotated with the movable end 15 of described reinforcement spring 4, also can between reinforcement spring 4 and convex part 5, insert above-mentioned connector 10, and no longer need the participation of described connecting rod 7.
In this case, in any case, the user is rotated any non axial pressure or the torque that causes reinforcement spring 4 to produce when operating to the backrest of rocking chair, even it is limited, can both act directly on the described convex part 5, make it to produce motion by a small margin, the result also changes the elastic strength of reinforcement spring 4.
According to above-mentioned preferred embodiment of the present utility model, the device 7,8 that described connecting rod 7 constitutes, 9, and as the movable connector 10 when needing, the axis with respect to forming between the tie point between reinforcement spring 4 stiff ends 16 and the back rest 3 be arranged in parallel with horizontal plane basically.
Known ground, synchronous inclining mechanism described in the utility model can comprise that also the blocking device (not shown) that can match to limit described back rest 3 and seat frame 2 with respect to the amplitude of accommodation between the base 1, do not give unnecessary details for this reason.
User such as need are adjusted the power of releasing of returning of reinforcement spring 4, promptly regulate elastic strength, when it is sat down, only need to rotate the described control lever 14 that places the place ahead, seat, just can be by connecting rod 7 and the described convex part 5 of movable connector 10 rotations, then, make reinforcement spring 4, therefore change the elastic strength of reinforcement spring 4 from its movable end 15 relative its stiff end 16 motions.
To sum up, the utility model has overcome the deficiency of known technology, and has synthesized the advantage of different technologies scheme in the known technology, makes the synchronous inclining mechanism of chaise longue not only simple in structure and easy to operate, thereby reduces production costs, and more helps large-scale production.
Claims (10)
1. synchronous inclining mechanism of rocking chair, comprise base, back rest, seat frame, reinforcement spring and adjusting device, back rest and seat frame and base are hinged, reinforcement spring is arranged between described base and the back rest, adjusting device is used to regulate the intensity of described reinforcement spring, comprise the tension and relaxation device that the movable end that makes reinforcement spring moves with respect to stiff end, it is characterized in that: described tension and relaxation device comprises at least one convex part on described base of being hinged, the stiff end of described reinforcement spring is connected on the back rest, and movable end then is subjected to the effect of described convex part.
2. the synchronous inclining mechanism of rocking chair according to claim 1, it is characterized in that: described tension and relaxation device at least also comprises a connecting rod, this connecting rod one end and described backrest are hinged, and the other end then is connected with the movable end of described reinforcement spring, can match with this connecting rod with this described convex part.
3. the synchronous inclining mechanism of rocking chair according to claim 1 is characterized in that: this synchronous inclining mechanism also comprises at least one connector, and this connector is linked between the movable end and described convex part of described reinforcement spring.
4. the synchronous inclining mechanism of rocking chair according to claim 2 is characterized in that: this synchronous inclining mechanism also comprises at least one connector, and this connector is linked between the movable end and described connecting rod of described reinforcement spring.
5. according to any synchronous inclining mechanism of described rocking chair in the claim 1 to 4, it is characterized in that: described convex part thinks that by being connected with the control lever that inserts base the user provides rotatable operation.
6. the synchronous inclining mechanism of rocking chair according to claim 5 is characterized in that: described reinforcement spring is a helical spring.
7. according to any synchronous inclining mechanism of described rocking chair in the claim 1 to 4, it is characterized in that: the axial substantially parallel setting of described reinforcement spring with horizontal direction.
8. according to any synchronous inclining mechanism of described rocking chair in the claim 1 to 4, it is characterized in that: described convex part is the columnar member with oval bottom surface.
9. the synchronous inclining mechanism of rocking chair according to claim 8 is characterized in that: described convex part and described base off-centre are hinged.
10. according to any synchronous inclining mechanism of described rocking chair in the claim 1 to 4, it is characterized in that: described convex part is the columnar member with rounded bottom surface, and is hinged with described base off-centre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201391116U CN201091373Y (en) | 2007-08-15 | 2007-08-15 | Rocking chair synchronization leaning overhead mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201391116U CN201091373Y (en) | 2007-08-15 | 2007-08-15 | Rocking chair synchronization leaning overhead mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201091373Y true CN201091373Y (en) | 2008-07-30 |
Family
ID=39899332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201391116U Expired - Fee Related CN201091373Y (en) | 2007-08-15 | 2007-08-15 | Rocking chair synchronization leaning overhead mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201091373Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102781281A (en) * | 2010-02-26 | 2012-11-14 | 多纳蒂股份公司 | Device for synchronizing the seat and backrest of a chair |
| CN105848525A (en) * | 2013-12-17 | 2016-08-10 | 多纳蒂股份公司 | Chair with adjustable backrest |
-
2007
- 2007-08-15 CN CNU2007201391116U patent/CN201091373Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102781281A (en) * | 2010-02-26 | 2012-11-14 | 多纳蒂股份公司 | Device for synchronizing the seat and backrest of a chair |
| US9161627B2 (en) | 2010-02-26 | 2015-10-20 | Donati S.P.A. | Device for synchronizing the seat and backrest of a chair |
| CN105848525A (en) * | 2013-12-17 | 2016-08-10 | 多纳蒂股份公司 | Chair with adjustable backrest |
| CN105848525B (en) * | 2013-12-17 | 2019-05-03 | 多纳蒂股份公司 | Chair with adjustable backrest |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080730 Termination date: 20120815 |