CN103485640B - Revolve and push away damper - Google Patents
Revolve and push away damper Download PDFInfo
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- CN103485640B CN103485640B CN201310465686.7A CN201310465686A CN103485640B CN 103485640 B CN103485640 B CN 103485640B CN 201310465686 A CN201310465686 A CN 201310465686A CN 103485640 B CN103485640 B CN 103485640B
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Abstract
One is revolved and is pushed away damper, comprises rotating shaft and cylindrical shell, it is characterized in that: rotating shaft is inserted in cylindrical shell; Rotating shaft, by revolving the section of pushing away and key shaft part is formed, is revolved radial direction in the section of pushing away and is fixed with and revolves distribution, revolve the section of pushing away and be set with piston and valve block successively from bottom to top; Piston inner hole is provided with internal thread, revolves that the two ends of distribution are top matches with it as external screw thread; Annular seal space is separated into annular seal space and lower seal chamber by piston in cylindrical shell; The section of the pushing away upper and lower end that revolves of rotating shaft has hole and lower opening and through by hollow channel; Piston is also provided with the perforation being communicated with upper annular seal space and lower seal chamber; Be provided with between piston and cylindrical shell barrel prevent piston rotation radially slide track; The shoulder of the key shaft part of rotating shaft inserts in cylindrical shell, and is fixed by seal cap sealing; The shoulder of key shaft part is provided with shaft shoulder sealing ring, and key shaft part center has screwed hole to communicate with the upper hole of revolving the section of pushing away, and screwed hole is by adjustment screw shutoff.Damping oil flow when the present invention is opened by damping adjusting device and resetted, makes to open Portable power saving, reset speed stabilizing.
Description
Technical field
The present invention relates to a kind of damper, particularly a kind of revolving of hinge axis when opening and closing for furniture, sanitary equipment etc. pushes away damper.
Background technology
At present, the parts of some devices rotate around axle, the lid opened up and down as needed in furniture, lavatory lid etc., main adopt two kinds of structures: a kind of is directly use pinned connection, and can send the very large sound opening, when putting down, the impact caused is large; Another kind adopts spring buffer, easily again cannot use because spring corrosion or elastic force lost efficacy, and application life is short; A kind of snubber with blade is devised for the problems referred to above Chinese patent 200920198690.0, the unlatching that this device adopts damping unit to realize renovating or reset, in damping unit, the flow-control of damping oil opens or reset to produce the main cause of resistance when renovating.But the defect that this device exists equally opens or resets when renovating, because the flow-control of damping oil is identical, when causing opening or resetting, the resistance of generation is identical, make to compare effort in opening process, and there are cylinder muscle and rotating shaft wearing and tearing and blade and barrel to wear and tear, application life is declined to a great extent.
Therefore, need a kind ofly to compare effort when can overcome the unlatching that prior art exists, the damper of the problem such as large of wearing and tearing.
Summary of the invention
The object of this invention is to provide a kind of labor-saving opening rapidly, to reset at the uniform velocity and little revolving of wearing and tearing pushes away damper.
The object of the present invention is achieved like this: one is revolved and pushed away damper, comprises rotating shaft and cylindrical shell, it is characterized in that: rotating shaft is inserted in cylindrical shell; Rotating shaft, by revolving the section of pushing away and key shaft part is formed, is revolved radial direction in the section of pushing away and is fixed with and revolves distribution, revolve the section of pushing away and be set with piston and valve block successively from bottom to top; Piston inner hole is provided with internal thread, revolves that the two ends of distribution are top matches with it as external screw thread; Piston external diameter is provided with piston packing; Annular seal space is separated into annular seal space and lower seal chamber by piston in cylindrical shell; The section of the pushing away upper and lower end that revolves of rotating shaft has hole and lower opening and through by hollow channel; Piston is also provided with the perforation being communicated with upper annular seal space and lower seal chamber; Be provided with between piston and cylindrical shell barrel prevent piston rotation radially slide track; The shoulder of the key shaft part of rotating shaft inserts in cylindrical shell, and is fixed by seal cap sealing; The shoulder of key shaft part is provided with shaft shoulder sealing ring, and key shaft part center has screwed hole to communicate with the upper hole of revolving the section of pushing away, and screwed hole is by adjustment screw shutoff.
Object of the present invention can also realize like this: diameter is gradually large from bottom to top, in rounding mesa-shaped for the section of pushing away of revolving of rotating shaft; During descent of piston, the gap of revolving between the section of pushing away of piston inner hole and rotating shaft becomes large gradually, makes the damping oil in lower seal chamber when entering annular seal space from this gap, and oil inlet quantity is in strengthening state gradually.
The track that radially slides of piston rotation that prevents arranged between piston and cylindrical shell barrel is: arrange two symmetrical convex planes at cylinder inboard wall, corresponding with it, piston external diameter arranges two symmetrical sections, the two coordinates limited piston to rotate, and piston can only be axially moved in the annular seal space of cylindrical shell.
The invention has the beneficial effects as follows: damping oil flow when opening by damping adjusting device and reset, make to open Portable power saving, reset speed stabilizing; Meanwhile, due to the external diameter of piston being provided with a piston packing, upper-lower seal chamber can be sealed, not make damping oil along channelling between piston external diameter and cylinder inboard wall, can abrasion resistant effect be played again, significantly can improve the application life of damper.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further detailed explanation:
Fig. 1 is structural representation of the present invention;
Fig. 2 is cylindrical shell longitudinal plan of the present invention;
Fig. 3 is piston longitudinal plan of the present invention;
Fig. 4 is pivot structure schematic diagram of the present invention;
Fig. 5 is seal cover schematic diagram of the present invention.
Detailed description of the invention
In accompanying drawing, each component label is as follows:
Rotating shaft 1(key shaft part 1.1, screw 1.11, revolve the section of pushing away 1.2, upper hole 1.21, lower opening 1.22, hollow channel 1.23), cylindrical shell 2(convex plane 2.1), annular seal space 4.1, lower seal chamber 4.2 on seal cover 3, annular seal space 4(), revolve distribution 5, piston 6(bores a hole 6.1), valve block 7, piston packing 8, shaft shoulder sealing ring 9, adjustment screw 10.
Referring to figs. 1 through Fig. 5, one is revolved and is pushed away damper, comprises rotating shaft 1 and cylindrical shell 2, it is characterized in that: rotating shaft 1 is inserted in cylindrical shell 2; Rotating shaft 1, by revolving the section of pushing away 1.2 and key shaft part 1.1 is formed, is revolved radial direction in the section of pushing away 1.2 and is fixed with and revolves distribution 5, revolve the section of pushing away 1.2 and be set with piston 6 and valve block 7 from bottom to top successively; Piston 6 endoporus is provided with internal thread, revolves that the two ends of distribution 5 are top matches with it as external screw thread; Piston 6 external diameter is provided with piston packing 8; Annular seal space 4 is separated into annular seal space 4.1 and lower seal chamber 4.2 by piston 6 in cylindrical shell 2; The section of pushing away 1.2 upper and lower end that revolves of rotating shaft 1 has hole 1.21 and lower opening 1.22 and through by hollow channel 1.23; Piston 6 is also provided with the perforation 6.1 being communicated with upper annular seal space 4.1 and lower seal chamber 4.2; Be provided with between piston 6 and cylindrical shell 2 barrel prevent piston rotation radially slide track; The shoulder of the key shaft part 1.1 of rotating shaft 1 inserts in cylindrical shell, and seals fixing by seal cover 3; The shoulder of key shaft part 1.1 is provided with shaft shoulder sealing ring 9, and key shaft part 1.1 center has screwed hole 1.11 to communicate with the upper hole 1.21 of revolving the section of pushing away 1.2, and screwed hole 1.11 is by adjustment screw 10 shutoff.
Diameter is gradually large from bottom to top, in rounding mesa-shaped for the section of pushing away 1.2 of revolving of rotating shaft 1; During descent of piston, the gap of revolving between the section of pushing away 1.2 of piston inner hole and rotating shaft 1 becomes large gradually, makes the damping oil in lower seal chamber 4.2 when entering annular seal space from this gap, and oil inlet quantity is in strengthening state gradually.
The track that radially slides of piston rotation that prevents arranged between piston 6 and cylindrical shell 2 barrel is: arrange two symmetrical convex planes 2.1 at cylindrical shell 2 inwall, corresponding with it, piston 6 external diameter arranges two symmetrical sections, the two coordinates limited piston 6 to rotate, and piston can only be axially moved in the annular seal space 4 of cylindrical shell.
Key shaft part 1.1 center of rotating shaft is screwed hole 1.11, adjustment screw 10 is screwed in screwed hole 1.11, adjustment screw afterbody can go directly and revolve the upper hole 1.21 of the section of pushing away 1.2, utilize adjustment screw afterbody to control the sectional area of oilhole 1.21, to regulate the oil inlet quantity leading to upper annular seal space, be used for setting the grade specification bearing moment of torsion of damper, simultaneously before screw-in adjustment screw, the air sandwiched when this screw can get rid of canned damping oil.
Piston 6 external diameter is arranged piston packing 8 seal with cylinder inboard wall and match, and when piston does axially-movable at cylinder inboard wall, because of the lubrication with damping oil, piston can be reduced and cylinder inboard wall weares and teares.
Concept up and down during above-described " the revolving the section of pushing away 1.2 upper and lower end of rotating shaft 1 ", " diameter is gradually large from bottom to top for the section of pushing away 1.2 of revolving of rotating shaft 1 " etc. describe is shown as under the right side is in the drawings, Zuo Weishang, because diagram is revolved, to push away damper be that transverse plane puts state.
Specific works process:
When rotating shaft 1 rotates, it revolves distribution 5 and rotates with axle, match with the internal thread in the endoporus of piston 6 as external screw thread by two ends are top because revolving distribution 5, in addition be provided with between piston 6 and cylindrical shell 2 barrel prevent piston rotation radially slide the rotation that track limits piston, piston 6 can only do axially-movable under the promotion of revolving distribution 5 in cylindrical shell 2 annular seal space 4.Annular seal space 4 is separated into annular seal space 4.1 and lower seal chamber 4.2 by piston 6 in cylindrical shell 2; Along with piston 6 moves up and down, the volume in upper annular seal space 4.1 and lower seal chamber 4.2 changes.
Revolving Tui Duan 1.2 center is hollow channel 1.23, has lower opening 1.22 in bottom, and upper end side has upper hole 1.21, and when piston 6 moves up and down in annular seal space, damping oil is by current downflow on hollow channel 1.23, and this is damping oil duplex channel.
The physical location of piston 6 longitudinal direction has perforation 6.1, and the top of piston 6 is provided with valve block 7.When piston 6 moves upward, perforation 6.1 covers by valve block 7, and when piston 6 down moves, valve block 7 backs down by damping oil, opens perforation 6.1, and damping oil is flowed in annular seal space 4.1 from lower seal chamber 4.2 by perforation 6.1, and this is damping oil half-duplex channel.
Diameter is gradually large from bottom to top, in rounding mesa-shaped for the section of pushing away 1.2 of revolving of rotating shaft 1; During descent of piston, the gap of revolving between the section of pushing away 1.2 of piston inner hole and rotating shaft 1 becomes large gradually, makes the damping oil in lower seal chamber 4.2 when entering annular seal space from this gap, and oil inlet quantity is in strengthening state gradually, and this is damping oil variable duplex channel.
Be arranged on lavatory lid for the present invention below and illustrate: during installation, damper cylindrical shell of the present invention is fixed on toilet, the key shaft part of rotating shaft is connected with the of bonding cover of lavatory lid.
When toilet lid upwards open dig time, the distribution of revolving of damper rotates with rotating shaft, promotion piston moves down, lower seal chamber smaller volume, and damping oil enters upper annular seal space by following three passages: one be revolve the lower opening of the section of pushing away by rotating shaft, hollow channel, upper hole enter upper annular seal space; Two is 6.1 back down valve block by boring a hole and flow into upper annular seal space; Three is that the gap of revolving between the section of pushing away 1.2 of piston inner hole and rotating shaft 1 enters annular seal space, and this passage becomes large gradually along with moving down of piston.Because the valve block of perforating tip on piston can back down by automatic damped oil, oil is also direct from annular seal space the inflow of lower seal chamber, add moving down because of piston, piston is made to push away intersegmental moving back to pull out gap increasing with revolving, also damping oil is made to reflux in a large number, add the intrinsic capacity of returns of revolving the section of pushing away hollow channel, damping force will be made to decline rapidly, make horse disclose lid can easily on turn over and open.
Lavatory lid is when putting down, change gravity along with angle be applied to revolve the moment of torsion pushed away in damper rotating shaft can be increasing, revolve when pushing away damper axis of rotation, it revolves sales promotion meeting and promotes piston upwards, upper annular seal space volume diminishes, cover because the perforation on piston is promoted valve block by the damping oil in upper annular seal space, damping oil in upper annular seal space can only flow in lower seal chamber by revolving the section of pushing away hollow channel, simultaneously because of the gap of revolving the section of pushing away of piston inner hole and rotating shaft be upwards diminish gradually move back the state of pulling out, therefore piston in piston upwards process, can be made more and more less with the gap of revolving the section of pushing away, dredge oil amount is fewer and feweri, make damping force increasing, when in toilet lid decline process, moment becomes increasing like this, its decrease speed can not be accelerated, reach steady uniform descent, do not produce impact sound, reach at the uniform velocity slow effect of falling.
Should not being regarded as of protection scope of the present invention is only limitted to the concrete form that embodiment is stated, protection scope of the present invention also and conceive the equivalent technologies means that can expect according to the present invention in those skilled in the art.
Claims (2)
1. revolve and push away a damper, comprise rotating shaft (1) and cylindrical shell (2), it is characterized in that: rotating shaft (1) is inserted in cylindrical shell (2); Rotating shaft (1), by revolving the section of pushing away (1.2) and key shaft part (1.1) is formed, is revolved the upper radial direction of the section of pushing away (1.2) and is fixed with and revolves distribution (5), revolve the section of pushing away (1.2) and be set with piston (6) and valve block (7) from bottom to top successively; Piston (6) endoporus is provided with internal thread, revolves that the two ends of distribution (5) are top matches with it as external screw thread; Piston (6) external diameter is provided with piston packing (8); Annular seal space (4) is separated into upper annular seal space (4.1) and lower seal chamber (4.2) by piston (6) in cylindrical shell (2); The section of pushing away (1.2) upper and lower end that revolves of rotating shaft (1) has hole (1.21) and lower opening (1.22) and through by hollow channel (1.23); Piston (6) is also provided with the perforation (6.1) being communicated with upper annular seal space (4.1) and lower seal chamber (4.2); Be provided with between piston (6) and cylindrical shell (2) barrel prevent piston rotation radially slide track; The shoulder of the key shaft part (1.1) of rotating shaft (1) inserts in cylindrical shell, and is sealed fixing by seal cover (3); The shoulder of key shaft part (1.1) is provided with shaft shoulder sealing ring (9), and key shaft part (1.1) center has screwed hole (1.11) to communicate with the upper hole (1.21) of revolving the section of pushing away (1.2), and screwed hole (1.11) is by adjustment screw (10) shutoff; Diameter is gradually large from bottom to top, in rounding mesa-shaped for the section of pushing away (1.2) of revolving of rotating shaft (1); During descent of piston, the gap of revolving between the section of pushing away (1.2) of piston inner hole and rotating shaft (1) becomes large gradually, makes the damping oil in lower seal chamber (4.2) when entering annular seal space from this gap, and oil inlet quantity is in strengthening state gradually.
2. according to claim 1 revolving pushes away damper, it is characterized in that: the track that radially slides of piston rotation that prevents arranged between piston (6) and cylindrical shell (2) barrel is: at cylindrical shell (2) inwall, two symmetrical convex planes (2.1) are set, corresponding with it, piston (6) external diameter arranges two symmetrical sections, the two coordinates limited piston (6) to rotate, and piston can only be axially moved in the annular seal space of cylindrical shell (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310465686.7A CN103485640B (en) | 2013-10-08 | 2013-10-08 | Revolve and push away damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310465686.7A CN103485640B (en) | 2013-10-08 | 2013-10-08 | Revolve and push away damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103485640A CN103485640A (en) | 2014-01-01 |
| CN103485640B true CN103485640B (en) | 2016-02-03 |
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ID=49826189
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310465686.7A Active CN103485640B (en) | 2013-10-08 | 2013-10-08 | Revolve and push away damper |
Country Status (1)
| Country | Link |
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| CN (1) | CN103485640B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108814394A (en) * | 2018-08-15 | 2018-11-16 | 厦门德浦精密科技有限公司 | A kind of adjustable lavatory lid slow descending mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2173840Y (en) * | 1993-11-20 | 1994-08-10 | 萧春松 | Lid buffer |
| CN201033049Y (en) * | 2007-05-17 | 2008-03-12 | 王湘冀 | Slow-falling mechanism of the panel turnover |
| CN102587778A (en) * | 2012-01-17 | 2012-07-18 | 李飞勇 | Variable resistance damper |
| CN202370351U (en) * | 2011-12-19 | 2012-08-08 | 陈樑 | Descent control device |
| CN203515116U (en) * | 2013-10-08 | 2014-04-02 | 金烈水 | Rotary-pushed damper |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0723660B2 (en) * | 1989-05-02 | 1995-03-15 | スガツネ工業株式会社 | Damper for flap door using viscous fluid |
| KR101071909B1 (en) * | 2004-09-03 | 2011-10-11 | 이미재 | Hydraulic controlled shock-absorbing hinge |
-
2013
- 2013-10-08 CN CN201310465686.7A patent/CN103485640B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2173840Y (en) * | 1993-11-20 | 1994-08-10 | 萧春松 | Lid buffer |
| CN201033049Y (en) * | 2007-05-17 | 2008-03-12 | 王湘冀 | Slow-falling mechanism of the panel turnover |
| CN202370351U (en) * | 2011-12-19 | 2012-08-08 | 陈樑 | Descent control device |
| CN102587778A (en) * | 2012-01-17 | 2012-07-18 | 李飞勇 | Variable resistance damper |
| CN203515116U (en) * | 2013-10-08 | 2014-04-02 | 金烈水 | Rotary-pushed damper |
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| Publication number | Publication date |
|---|---|
| CN103485640A (en) | 2014-01-01 |
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