CN100366943C - Damper - Google Patents
Damper Download PDFInfo
- Publication number
- CN100366943C CN100366943C CNB2004800101149A CN200480010114A CN100366943C CN 100366943 C CN100366943 C CN 100366943C CN B2004800101149 A CNB2004800101149 A CN B2004800101149A CN 200480010114 A CN200480010114 A CN 200480010114A CN 100366943 C CN100366943 C CN 100366943C
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- CN
- China
- Prior art keywords
- wall body
- damper
- edge
- lip
- gear
- Prior art date
- 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
Links
- 239000012530 fluid Substances 0.000 claims abstract description 26
- 239000000758 substrate Substances 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 14
- 230000036961 partial effect Effects 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000013016 damping Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 4
- 238000004512 die casting Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000008041 oiling agent Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Landscapes
- Fluid-Damping Devices (AREA)
Abstract
A gear damper has a fixed first part (12) and a second part (14) rotatable relative thereto, with a gear (44) formed on the second part (14). A continuous annular seal (52, 64) is provided between the first and second parts, and a substantially continuous layer of damping fluid is provided between the first and second parts.
Description
The related application reference
The application requires the interests of U.S. Provisional Application, and provisional application number is No.60/462, and 999, the applying date is on April 15th, 2003.
Technical field
The present invention relates to the kinetic damping device, particularly relate to and in a chamber, have low flank profil (profile) gear dampers that viscous fluid is used to control the rotation of the gear that is meshed with a device.
Background technique
It is well-known using movement-damper to come the motion of control combination part parts in multiple assembly parts.For example, on furniture and thin wooden furniture, the motion of using damper to control drawer or door at least one direction is well-known.On Motor Vehicle, damper is used for glove box and teaches door (counsel door) or the like is well-known.Other use of damper also is known.
In a kind of known damper designs, to the cog damping of motion of mechanical device, safety shutoff for example is to provide by gear on the mechanical device is meshed with the gear on the damper.Association between mechanical device and the damper can realize by rack rails and small gear respectively.Thereby the motion that the damping that produces passes to the mechanical device gear is rotated in the structure of damper is intrinsic damper is cogged, with the running of control mechanical device.Such damping device is commonly referred to as gear dampers.
As everybody knows, a gear dampers comprises the rotor that is installed in rotation in the housing.Damp liquid around rotor in housing is held by housing, block and circular seal ring.A gear is connected with rotor in the outside of housing, but and this gear transmission be connected on the gear of the mechanical device that needs controlled motion.
This class damper may comprise the element of five or more a plurality of separation, and the cost of its manufacturing and assembling is quite expensive.Sealing fully is the basic demand that damper is realized continuous effective work, because if there is a certain amount of damper fluid to leak out from housing, the damping capacity of damper will suffer damage.Interlock damper (snap together damper) is known, but has adopted complicated tortuous Seal Design and the concentric turns a plurality of nested against one another on the element of interlock mutually to hold damper fluid.Occlusion portion is discontinuous in the periphery of rotating element.Even adopted somewhat complex design, the interlock damper also is to exist to leak, and adopts the method for parts welding that the possibility of leaking is reduced to bottom line.Welding has improved the manufacture cost of damper, and when block is fixedly welded on the housing matrix, the rotor that passes block will support the gear of rotation.Sealing for example O-ring seals will canned rotor and the surface of contact of housing, and this has just increased the complexity of assembling damper and has formed the potential leakage and the source of wearing and tearing.Because rotor shaft only supporting gear in the central position, also can cause Gear tipping from the unbalanced internal force of damper fluid and internal structure (as the rotor that in damper fluid, rotates).
That slight arrangement takes place is improper if damper or damper connect thereon structure, and the multicomponent damper that is installed on the rotor shaft of plastic gear will suffer the running difficulty so.The power that acts on the damper may cause Gear tipping, influences the performance of damper and causes too early gear wear.
Therefore, technically, just need the low-cost damper of a kind of easy assembling and reliable performance.
Summary of the invention
The object of the present invention is to provide a damper, comprise two members: housing and interlock are installed to the rotating lid on the housing, to be compressed in immovable damping grease in the space that housing and lid limited, this damper assembling is easy and firm, gear can be crooked or tilt.
A kind of form of the present invention provides a damper, comprising: first portion of tool, this first portion have a substrate and from the outward extending wall body of described substrate, this wall body defines a space, and described wall body has an opening end; A second portion, it is pivotally mounted to described first portion and seals described opening end, and described second portion comprises a lid and is in a peripheral edge that described edge radially outwards stretches and surpasses described wall body; Described wall body comprises an annular lip that radially stretches, described annular lip is around the continuous extension of described wall body, the described edge limited recess that can admit a bending of described lip, described edge also limits a continuous edge that is meshed with described lip along described recess; And be included in the space of damper fluid between described first portion and described second portion and be compressed between described annular lip and the described crooked recess and held by the sealing that the described edge against described lip forms.
Described damper, its described lid has a gear on its outer surface.
Described damper, its described lid extend in the described space that is limited by described wall body.
Described damper, its described lip are placed on the outer edge of described wall body.
Described damper, its described substrate define one from the outside groove of described wall body, and described edge extend in the described groove.
Described damper, its described substrate define a projection that protrudes in the space that described wall body limits, and described lid has a vault that can hold described projection.
Described damper, its described lid extend in the described space that is limited by described wall body.
Described damper, its described lip are placed on the outer edge of described wall body.
Described damper, its described lip are placed on the outer edge of described wall body.
Described damper, its described substrate define one from the outside groove of described wall body, and described edge extend in the described groove.
Described damper, its described substrate define a projection that protrudes in the space that described wall body limits, and described lid has a vault that can hold described projection.
Described damper, wherein said damper is a kind of gear dampers, described second portion comprises that also one constitutes the gear of an integral body with described lid, described edge is along the opening end that extends and outwards exceed described wall body all around, there is an enlarged end at described edge, described enlarged end has greater than described wall body but less than the diameter of described lip, described enlarged end is arranged on outside the described wall body and between described lip and described substrate, described first and second define the continuous slipper seal of a narrow radial width, and the continuous damper fluid of wherein said one deck is contained between first and second parts and is used restraint by described sealing diametrically.
Described gear dampers, its described sealing are that the axial clearance by described first and second parts is formed.
Described gear dampers, its described damper fluid is compressed between described first and second parts, thereby strong so that form described sealing to described first and second partial actions.
Described gear dampers, its described damper fluid is compressed between described first and second parts, thereby to described first and second partial actions effectively to form described sealing.
An advantage of the invention is provides a viscous damper, and this damper assembling is easy and firm, and has reduced manufacturing and assembly cost with respect to more complicated damper.
Another advantage of the present invention has provided a damper that number of components is minimum.
The present invention also has an advantage to provide a solid damper, and this damper has a firm outer gear of settling, and under common service condition, gear can crooked or inclination.
To those skilled in the art, by consulting following detailed, claims and accompanying drawing, other features and advantages of the present invention are conspicuous.In the accompanying drawings, identical numeral is used for representing identical parts.
Description of drawings
Fig. 1 is the perspective view by a damper of the present invention;
Fig. 2 is the sectional drawing of damper shown in Figure 1 along the 2-2 line;
Fig. 3 is the enlarged view in numeral 3 represented circle inner section zones among Fig. 2.
Before describing various embodiments of the present invention in detail, should be understood that, provide during the present invention is not limited to and the following describes or accompanying drawing shown in each parts detailed structure and layout.The present invention can have other embodiments or can realize by various different modes.In addition, be appreciated that the wording and the term that adopt are to should not be construed as restriction for illustrative purposes around here.Used around here " comprising ", " comprising " and variation thereof are meant and comprise project and the equivalent of enumerating thereafter thereof, and attached project and equivalent thereof.
Embodiment
Now more specifically referring to accompanying drawing, Fig. 1 particularly, numeral 10 an expressions damper that is used to control the motion of a device (not shown) of the present invention, this device can be drawer runners, door closer of utensil, furniture, Motor Vehicle or other devices or the like.Can expect that damper 10 of the present invention can have been widely used and use, and can not be interpreted as the several application that is confined to give an example herein.
One or more protuberances or anchor clamps 22,24 can be set, two anchor clamps 22,24 shown in the figure in first portion 12.Anchor clamps 22,24 are used for damper 10 is connected on the device that uses this damper 10.In illustrated exemplary embodiments, anchor clamps 22,24 comprise shank 26,28 and engagement protuberance 30,32 respectively, can interlock install in the groove or hole that disposes to go into to limit in the utensil (not shown) by these structural damping devices 10.Those skilled in the art will readily understand, connect damper 10 and can adopt other construction and devices, comprise that the flange with hole is used to accept screw, pin, nail, rivet or the like.As required, other mechanical type fastener or combination tool such as adhesive also can be used for connecting damper 10.
An internal protrusion 34 of stretching out from substrate 18 is arranged on the central authorities of the open space of wall body 20 qualifications.
The structure that second portion 14 is meshed with first portion 12 can be observed and understand to the sectional view of the part of amplifying with reference to Fig. 3 more easily.
As shown in Figures 2 and 3, when first portion 12 and second portion 14 fitted together, both were interrelated, define a space that holds damper fluid 16.When assembling, control each size of component tolerance to limit a fixed volume space therebetween.In assembling process, the prescribed volume of damper fluid 16 just is placed in the cylindrical wall 20.Second portion 14 makes edge 60 be meshed with an outside of lip 52 with respect to the position of first portion 12.The surface of being faced as lip 52 and enlarged end 66, is circular to slip over mutually when the assembling being convenient to.
Compression force produces the mutual interlock of edge 60 and wall body 20 on first portion 12 and second portion 14.60 outer edge slips over lip 52 from the edge, and each parts tilts a little and is arranged in recess 64 up to lip 52.When lid 42 is oppressed when entering the space that limits in the wall body 20, damper fluid 16 is compressed to flow and spreads all over the whole space that limits between first portion 12 and the second portion 14.Damper fluid 16 is become to loosing to whole space, air is discharged and is full of the interior residual volume of wall body 20 between first portion 12 and the second portion 14 and groove 62 fully.
After release pressure, compressed damper fluid 16 correspondingly produces outside power between first portion 12 and second portion 14.Between edge 68 and lip 52, just form continuous basically a, the footpath narrow annular line of contact that makes progress, thereby to outside inhibition or sealing of mobile formation of damper fluid 16.Yet from the sectional view of Fig. 2 and Fig. 3 as can be seen, except the edge 68 of end 66 and the lip 52 radially narrow line of contact in the zone, second portion 14 and first portion 12 are separated by one deck damper fluid 16.Second portion 14 rotates with respect to first portion 12, and its gear 44 is meshed with a gear on the device (not shown) that damper 10 is operated.Gear 44 is fully supported by lid 42, medially is installed on the damper rotor bar with gear and compares, and has just reduced the possibility of gear integral inclination.Further, because each tooth of gear 44 all at one end is linked to be integral body with lid 42, the single tooth and hair of gear 44 is given birth to the possibility that tilts and has also been reduced.Gear 44 is firm, thereby has strengthened the align engagement of gear with the device that damper 10 is installed.
To the variation of aforementioned content with revise also in category of the present invention.Should be appreciated that the present invention disclosed and that limit can extend to by this literal and/or accompanying drawing around here mentions or the institute of two or more autonomous behaviors of witness might make up.Whole formations of these various combinations various possibilities of the present invention aspect.Embodiment described herein has illustrated and has implemented optimal mode of the present invention and help others skilled in the art to utilize the present invention.Following claims can be regarded as the various possibility embodiments that comprise in the prior art allowed band.
Various characteristics of the present invention provides in the following claims.
Claims (15)
1. damper comprises:
A first portion, this first portion have a substrate and from the outward extending wall body of described substrate, this wall body defines a space, and described wall body has an opening end;
A second portion, it is pivotally mounted to described first portion and seals described opening end, and described second portion comprises a lid and is in a peripheral edge that described edge radially outwards stretches and surpasses described wall body;
Described wall body comprises an annular lip that radially stretches, described annular lip is around the continuous extension of described wall body, the described edge limited recess that can admit a bending of described lip, described edge also limits a continuous edge that is meshed with described lip along described recess; With
Be included in the space of damper fluid between described first portion and described second portion and be compressed between described annular lip and the described crooked recess and held by the sealing that the described edge against described lip forms.
2. damper according to claim 1 is characterized in that described lid has a gear on its outer surface.
3. damper according to claim 2 is characterized in that described lid extend in the described space that is limited by described wall body.
4. damper according to claim 3 is characterized in that described lip is placed on the outer edge of described wall body.
5. damper according to claim 4 it is characterized in that described substrate defines one from the outside groove of described wall body, and described edge extend in the described groove.
6. damper according to claim 5 it is characterized in that described substrate defines a projection that protrudes in the space that described wall body limits, and described lid has a vault that can hold described projection.
7. damper according to claim 1 is characterized in that described lid extend in the described space that is limited by described wall body.
8. damper according to claim 7 is characterized in that described lip is placed on the outer edge of described wall body.
9. damper according to claim 1 is characterized in that described lip is placed on the outer edge of described wall body.
10. damper according to claim 1 it is characterized in that described substrate defines one from the outside groove of described wall body, and described edge extend in the described groove.
11. damper according to claim 1 it is characterized in that described substrate defines a projection that protrudes in the space that described wall body limits, and described lid has a vault that can hold described projection.
12. damper according to claim 1, it is characterized in that wherein said damper is a kind of gear dampers, described second portion comprises that also one constitutes the gear of an integral body with described lid, described edge is along the opening end that extends and outwards exceed described wall body all around, there is an enlarged end at described edge, described enlarged end has greater than described wall body but less than the diameter of described lip, described enlarged end is arranged on outside the described wall body and between described lip and described substrate, described first and second define a continuous slipper seal that radial width is narrow, and the continuous damper fluid of wherein said one deck is contained between first and second parts and is used restraint by described sealing diametrically.
13. gear dampers according to claim 12 is characterized in that described sealing is that axial clearance by described first and second parts is formed.
14. gear dampers according to claim 13 is characterized in that described damper fluid is compressed between described first and second parts, thereby strong so that form described sealing to described first and second partial actions.
15. gear dampers according to claim 12 is characterized in that described damper fluid is compressed between described first and second parts, thus to described first and second partial actions effectively to form described sealing.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US46299903P | 2003-04-15 | 2003-04-15 | |
| US60/462,999 | 2003-04-15 | ||
| US10/824,512 | 2004-04-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1774584A CN1774584A (en) | 2006-05-17 |
| CN100366943C true CN100366943C (en) | 2008-02-06 |
Family
ID=36760928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004800101149A Expired - Lifetime CN100366943C (en) | 2003-04-15 | 2004-04-14 | Damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100366943C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010022373A1 (en) * | 2010-05-26 | 2011-12-01 | Illinois Tool Works Inc. | damper |
| CN102493727A (en) * | 2011-12-26 | 2012-06-13 | 山东兰桥医学科技有限公司 | Automatic front door opening device |
| CN107685698B (en) * | 2017-08-24 | 2020-03-24 | 安徽江淮汽车集团股份有限公司 | Assembly structure of automobile diagnosis interface plug-in |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4869125A (en) * | 1987-10-08 | 1989-09-26 | Nifco Inc. | Rotary oil damper |
| CN2347020Y (en) * | 1998-10-16 | 1999-11-03 | 田岩滨 | Hydraulic buffering slowly opening/closing check valve |
| US6041899A (en) * | 1997-01-24 | 2000-03-28 | Koyo Fastener Co., Ltd. | Rotary control damper |
| US6604614B2 (en) * | 2001-01-26 | 2003-08-12 | Nifco Inc. | Rotary damper and assist grip device |
-
2004
- 2004-04-14 CN CNB2004800101149A patent/CN100366943C/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4869125A (en) * | 1987-10-08 | 1989-09-26 | Nifco Inc. | Rotary oil damper |
| US6041899A (en) * | 1997-01-24 | 2000-03-28 | Koyo Fastener Co., Ltd. | Rotary control damper |
| CN2347020Y (en) * | 1998-10-16 | 1999-11-03 | 田岩滨 | Hydraulic buffering slowly opening/closing check valve |
| US6604614B2 (en) * | 2001-01-26 | 2003-08-12 | Nifco Inc. | Rotary damper and assist grip device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1774584A (en) | 2006-05-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080206 |