CN100432478C - Buffer unit using rotating damper - Google Patents
Buffer unit using rotating damper Download PDFInfo
- Publication number
- CN100432478C CN100432478C CNB2006101322084A CN200610132208A CN100432478C CN 100432478 C CN100432478 C CN 100432478C CN B2006101322084 A CNB2006101322084 A CN B2006101322084A CN 200610132208 A CN200610132208 A CN 200610132208A CN 100432478 C CN100432478 C CN 100432478C
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- arm
- rotation damper
- rump
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Abstract
The present invention relates to a buffer unit using rotating damper. A buffer unit using the damping due to rotation having an absorption impact rump is made into a structure adopting the compress helical spring as the resume spring, which solves the durability problems for the rump resume spring. The buffer unit using the damping due to rotation making the standing falling part fall from the standing position to the shoot of the base side, includes: a joint plate; a rump with the pivot supporting on the joint plate; a slider freely sliding on the rump; a connecting rod making the swaying motion of the rump and the linear movement of the cylandrical part along the slider connect interlockingly; a compress helical spring compressed by the moving along one direction of the cylandrical part wherein the compress rebounding force is acted on the slider disposed inside the cylandrical part; and a damper due to rotation giving braking force to the swaying motion to the rump. The rebounding force for compressing the spring is acted in the given resume direction for the rump.
Description
Technical field
The present invention relates to use the damping device of rotary type damper, this rotary type damper is used at the parts of swing member of main body side etc. its wobbling action being carried out swinging pivotal support freely lentamente.For example, relate to making and swing the damping device that erects the rotation damper that parts slowly fall down to the bearing surface of main body side from the position of standing up of pivotal support freely at keyboard lid of main body (base) side of piano etc. etc.
Background technique
For example, for the cover of piano etc., for the time to its closing direction rotation, lid is fallen rapidly and be provided with and give braking device with braking force its rotatory force, otherwise, when Jiang Gai opens, used spring etc. (for example with reference to patent documentation 1 to 5: the spy opens flat 9-126265 communique, spy and opens flat 8-211861 communique, spy and open that flat 9-329173 communique, spy are opened flat 2000-187480 communique, the spy opens flat 9-146534 communique) as the recovery mechanism that makes above-mentioned braking device return to original position.
As the spring of above-mentioned recovery usefulness, prior art is all used leaf spring, torsion-coil spring, the independent spring that uses of draft helical spring or the spring of compound use.Yet above-mentioned leaf spring, torsion-coil spring, draft helical spring be all because of prolonged and repeated use cracky, thereby have the problem on the durability.
That is,, cause it to fracture, thereby the problem on the durability is arranged because of fatigue of materials if leaf spring because prolonged and repeated use, is applied with deformed movement repeatedly at the roughly same position of leaf spring.In addition, if torsion-coil spring must form the auxiliary section at its front end,, cause this part to fracture, thereby the problem on the durability is also arranged because of fatigue of materials owing on this auxiliary section, concentrate the deformed movement that applies repeatedly.Have again, if draft helical spring is same with torsion-coil spring, must form auxiliary sections such as hook portion at its front end, owing on the foundation part of this auxiliary section, concentrate the deformed movement that applies repeatedly, cause this part to fracture, thereby the problem on the durability is arranged because of fatigue of materials.
For this use leaf spring, torsion-coil spring, draft helical spring following reason is arranged.That is,
(1) partly constitutes the occasion of braking function at rotatingshaft, adopt rotation damper,, also adopted torsion-coil spring certainly as its spring that recovers usefulness.Under this occasion, except that torsion-coil spring, do not adopt the leeway of other spring.
(2) in the occasion of the rotating mode of arm, can not dispose spring at the rotating inside part of arm.This is owing to can become the obstacle of the revolution action of arm.If dispose spring etc. at the rotating external lateral portion of arm, then, adopt draft helical spring or leaf spring certainly because the back side of arm is in the state of extension in the process that arm falls down.
In the existing damping device that uses rotation damper, all have to adopt leaf spring, torsion-coil spring or draft helical spring.
With regard to pressure spring, there is not the component part that is subjected to the concentrated load effect, if utilize pressure spring,, must be the structure that can utilize pressure spring though can eliminate the shortcoming that exists in the prior art.
Summary of the invention
The objective of the invention is, in the damping device that has used rotation damper, make the structure that can adopt compression helical spring, improve durability by adopting compression helical spring.
To achieve these goals, the invention provides a kind of damping device that uses rotation damper, be used at the parts of swing member of main body side etc. its wobbling action being carried out lentamente, possess swinging pivotal support freely: can be installed in the aforementioned body side and above-mentioned erect one of component side or with aforementioned body side and the above-mentioned connecting plate that erects one of component side one; Have cylindrical portion and side's side along length direction and rotate the arm that is supported on freely on the above-mentioned connecting plate; Slide block in the cylindrical portion chimeric configuration sliding freely of above-mentioned arm; One side rotate be connected on the above-mentioned slide block freely, the opposing party rotates and is connected above-mentioned connecting plate side freely, and to make above-mentioned arm be the connecting rod that oscillating motion and the above-mentioned slide block of fulcrum is connected mutually in linkage along the straight line motion of above-mentioned cylindrical portion with above-mentioned connecting plate; Follow the swing of above-mentioned arm and above-mentioned slide block to be configured in compression helical spring in the above-mentioned cylindrical portion along the moving of a direction of above-mentioned cylindrical portion with being compressed; And, is that the rotation damper with braking force is given in the oscillating motion of fulcrum to above-mentioned arm with above-mentioned connecting plate, with the shell of this rotation damper and with respect to this shell relatively rotate freely relatively rotating parts one of them be fixedly installed on the above-mentioned connecting plate, the shell of this rotation damper and relatively rotate in freely the relatively rotating parts another with respect to this shell and be connected side's side of above-mentioned arm, simultaneously, by above-mentioned slide block and connecting rod, the rebounding force of above-mentioned compression helical spring acts on the direction of swinging to the recovery direction of regulation for above-mentioned arm.
And the present invention makes following structure with above-mentioned rotation damper: its shell and one of them torque that produces when a direction is rotated of relatively rotating parts that relatively rotates freely with respect to this shell are bigger, and the torque that produces when rotating round about is less.
The present invention has following effect.
The present invention utilizes linkage mechanism to make the structure that can adopt compression helical spring in the damping device that has used rotation damper, therefore, by adopting the helical spring of the compression-type that does not have the part that is subjected to the concentrated load effect, can improve durability.
Description of drawings
Fig. 1 be the expression embodiments of the present invention use the sectional view of damping device of rotation damper.
Fig. 2 is an A-A line sectional view.
Fig. 3 is a B-B line sectional view.
Fig. 4 has been to use the worm's eye view of the damping device of rotation damper.
Fig. 5 has been to use the External view of the damping device of rotation damper.
Fig. 6 has been to use the External view of the damping device of rotation damper.
Fig. 7 is the side view that the damping device that will use rotation damper is installed in the state that covers.
Fig. 8 is the External view that the damping device that will use rotation damper is installed in the state that covers.
Among the figure:
The 2-arm, 2a-cylindrical portion, 4-roller, 22-connecting rod, the 24-axis body, 30-compression helical spring, 32-piano, 34-keyboard lid, the 36-watchman's clapper, 38-bearing surface, 46-support, 48-rotation damper, the 50-shell, 52-connecting plate, 54-rotatable parts, the 56-dogbolt, 58-slide block, 60-spring bearing surface, 62-spring bearing surface, 64-spring guide piece, 66-spring guide piece.
Embodiment
Below, with reference to accompanying drawing, embodiments of the present invention are described.
Among the figure, the 48th, rotation damper is formed with connecting plate 52 on shell 50.From the outstanding rotatable parts 54 of the shell 50 of rotation damper 48, utilize dogbolt 56 can not be fixed with a side with the rectangular arm 2 of these rotatable parts 54 configurations rotationally.For the basic structure of above-mentioned rotation damper 48 inside, open Fig. 7 of flat 9-126265 communique with the spy and structure that other patent gazettes are put down in writing identical or similar, omit its detailed description.In addition, the structure of the damper 48 of walking around also can be: rotatable parts 54 sides are fixed or are integrally formed on the connecting plate 52, and shell 50 sides are fixed on the arm 2.In addition, connecting plate 52 is as being fixed on above it with respect to the monomer of shell 50, and this structure is also passable.
This rotation damper 48 arm 2 from the state that stands up shown in Figure 7 when counter clockwise direction is swung, produce high torque (HT), relatively the bigger braking force of swing effect of wall portion 2.On the other hand, this rotation damper 48 arm 2 in Fig. 1 produces low torque when clockwise direction is swung, and rotatable parts 54 rotate with less resistance.At the front end of above-mentioned arm 2, rotate and be supported with roller 4 freely.Slide block 58 is configured to be entrenched in sliding freely on the cylindrical portion 2a of arm 2 along cylindrical portion 2a, disposes compression helical spring 30 between the spring bearing surface 62 that forms in spring bearing surface 60 that the peripheral part of this slide block 58 forms with in cylindrical portion 2a one side's bottom surface.Owing to become this configuration, so the pressing force by pressure spring 30 has this arm 2 to erect the power of direction in the front end effect of arm 2
In the bottom of above-mentioned slide block 58 and cylindrical portion 2a, be formed with the spring guide piece 64,66 of a shape, nested above-mentioned helical spring 30 on this spring guide piece 64,66.One square tube of く shape connecting rod 22 is crossed axis body 31 and is rotated the slot part that is connected above-mentioned slide block 58 freely, in Fig. 1, the opposing party of connecting rod 22 is positioned at center of rotation than the arm 2 oblique lower position that more keeps left, and rotates by axis body 24 and to be supported on the protuberance 52a of above-mentioned connecting plate 52 with axle freely.
The linear slide along cylindrical portion 2a that above-mentioned connecting rod 22 constitutes the oscillating motion that makes arm 2 and above-mentioned slide block 58 is moved mutually, and moving of interlock is connected linkage mechanism.As shown in Figure 8, the hole of above-mentioned rotation damper 48 by on the sidewall of the support 46 of main body (base) side of piano 32, forming, be embedded to the inside of support 46, connecting plate 52 is screwed in the side of support 46, and the roller 4 of arm 2 front ends disposes with the back side 34a butt of keyboard lid 34.
In said structure, keyboard lid 34 is descended to closing direction from erecting open position, then the drop movements that forms with respect to the deadweight of keyboard lid 34 is given and bigger braking force by rotation damper 48, and keyboard lid 34 utilizes this braking force to drop at leisure on the bearing surface 38.Lift keyboard lid 34 on the other hand and to erecting open position when returning, by the interior rebounding force that is loaded on the compression helical spring 30 in the arm 2, arm 2 recovers the direction swing with the rising of keyboard lid 34 and to erecting, the roller 4 of its front end to the direction of the back side of butt keyboard 34 34a by reinforcing.
As mentioned above, the arm 2 by connecting rod 2, slide block 58, guide shoe 58 and be present in slide block and the arm inboard between the structure of compression type springs 30, adopting pressure spring 30 becomes possibility, thereby can overcome the shortcoming that exists in the prior art.
Claims (2)
1. damping device that uses rotation damper is used for that pivotal support carries out its wobbling action at the swing member of main body side lentamente to swinging freely, it is characterized in that,
Possess: can be installed in one of aforementioned body side and above-mentioned swing member side or with the connecting plate of one of aforementioned body side and above-mentioned swing member side one; Have cylindrical portion and side's side along length direction and rotate the arm that is supported on freely on the above-mentioned connecting plate; The slide block of chimeric configuration sliding freely on the cylindrical portion of above-mentioned arm; One side rotate be connected on the above-mentioned slide block freely, the opposing party rotates and is connected above-mentioned connecting plate side freely, and is the connecting rod that oscillating motion and the above-mentioned slide block of fulcrum is connected mutually in linkage along the straight line motion of above-mentioned cylindrical portion with above-mentioned connecting plate with above-mentioned arm; Follow the swing of above-mentioned arm and above-mentioned slide block to be configured in compression helical spring in the above-mentioned cylindrical portion along the moving of a direction of above-mentioned cylindrical portion with being compressed; And, is that the rotation damper with braking force is given in the oscillating motion of fulcrum to above-mentioned arm with above-mentioned connecting plate, with the shell of this rotation damper and with respect to this shell relatively rotate freely relatively rotating parts one of them be fixedly installed on the above-mentioned connecting plate, the shell of this rotation damper and relatively rotate in freely the relatively rotating parts another with respect to this shell and be connected side's side of above-mentioned arm, simultaneously, by above-mentioned slide block and connecting rod, the rebounding force of above-mentioned compression helical spring acts on the direction that the recovery direction of regulation is swung for above-mentioned arm.
2. the damping device that uses rotation damper according to claim 1 is characterized in that,
Above-mentioned rotation damper makes following structure: the shell of this rotation damper and one of them torque that produces when a direction is rotated of relatively rotating parts that relatively rotates freely with respect to this shell are bigger, and the torque that produces when rotating round about is less.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005297201 | 2005-10-12 | ||
| JP2005297201 | 2005-10-12 | ||
| JP2005-297201 | 2005-10-12 | ||
| JP2006190445 | 2006-07-11 | ||
| JP2006-190445 | 2006-07-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1948780A CN1948780A (en) | 2007-04-18 |
| CN100432478C true CN100432478C (en) | 2008-11-12 |
Family
ID=38018370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101322084A Expired - Fee Related CN100432478C (en) | 2005-10-12 | 2006-10-11 | Buffer unit using rotating damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100432478C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104616637A (en) * | 2013-11-01 | 2015-05-13 | 雅马哈株式会社 | Buffering device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606638B (en) * | 2012-03-30 | 2014-04-02 | 宋丙钦 | Clutching delaying device for vehicle starting |
| US20150102188A1 (en) * | 2013-10-11 | 2015-04-16 | Nisca Corporation | Braking mechanism and load support mechanism |
| CN104565709B (en) * | 2013-10-11 | 2018-05-22 | 佳能精技立志凯株式会社 | Load support mechanism |
| US9791093B2 (en) * | 2013-10-11 | 2017-10-17 | Canon Finetech Nisca Inc. | Load support mechanism |
| CN111591618A (en) * | 2020-04-08 | 2020-08-28 | 浙江勤泽美业环境科技有限公司 | Garbage overflow prompting and alarming garbage can |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2093229U (en) * | 1990-09-06 | 1992-01-15 | 张承桐 | Stopping bolt |
| JPH08211861A (en) * | 1995-02-06 | 1996-08-20 | Totsuku Bearing Kk | Opening/closing device for cap and the like |
| JPH09146534A (en) * | 1995-11-22 | 1997-06-06 | Kawai Musical Instr Mfg Co Ltd | Topboard opening and closing device for grand piano |
| JPH09329173A (en) * | 1996-06-11 | 1997-12-22 | Totsuku Bearing Kk | Opening/closing device for cover and the like |
| CN1222721A (en) * | 1997-08-06 | 1999-07-14 | 雅马哈株式会社 | Keyboard musical instrument having fall-board assembled with case by means of oldham's coupling |
| CN1362867A (en) * | 2000-02-18 | 2002-08-07 | 思嘎茨讷工业株式会社 | Chair with backrest and rotary damper device |
| CN2621328Y (en) * | 2003-06-06 | 2004-06-23 | 浙江友谊电子有限公司（China） | Buffer device for keyboard cover of piano |
-
2006
- 2006-10-11 CN CNB2006101322084A patent/CN100432478C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2093229U (en) * | 1990-09-06 | 1992-01-15 | 张承桐 | Stopping bolt |
| JPH08211861A (en) * | 1995-02-06 | 1996-08-20 | Totsuku Bearing Kk | Opening/closing device for cap and the like |
| JPH09146534A (en) * | 1995-11-22 | 1997-06-06 | Kawai Musical Instr Mfg Co Ltd | Topboard opening and closing device for grand piano |
| JPH09329173A (en) * | 1996-06-11 | 1997-12-22 | Totsuku Bearing Kk | Opening/closing device for cover and the like |
| CN1222721A (en) * | 1997-08-06 | 1999-07-14 | 雅马哈株式会社 | Keyboard musical instrument having fall-board assembled with case by means of oldham's coupling |
| CN1362867A (en) * | 2000-02-18 | 2002-08-07 | 思嘎茨讷工业株式会社 | Chair with backrest and rotary damper device |
| CN2621328Y (en) * | 2003-06-06 | 2004-06-23 | 浙江友谊电子有限公司（China） | Buffer device for keyboard cover of piano |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104616637A (en) * | 2013-11-01 | 2015-05-13 | 雅马哈株式会社 | Buffering device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1948780A (en) | 2007-04-18 |
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