CN203515116U - Rotary-pushed damper - Google Patents
Rotary-pushed damper Download PDFInfo
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- CN203515116U CN203515116U CN201320618904.1U CN201320618904U CN203515116U CN 203515116 U CN203515116 U CN 203515116U CN 201320618904 U CN201320618904 U CN 201320618904U CN 203515116 U CN203515116 U CN 203515116U
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- damper
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- Toilet Supplies (AREA)
Abstract
The utility model relates to a rotary-pushed damper which comprises a rotation shaft and a barrel. The rotary-pushed damper is characterized in that the rotation shaft is inserted into the barrel, the rotation shaft is formed by a rotary-pushed section and a spline shaft section, a rotary-pushed pin is fixed on the rotary-pushed section in the radial direction, the rotary-pushed section is sequentially sleeved with a piston and a valve sheet from bottom to top, internal threads are arranged in a piston inner hole, tips at the two ends of the rotary-pushed pin serve as external threads to be matched with the internal threads, the piston in the barrel divides a sealing cavity into an upper sealing cavity and a lower sealing cavity, the upper end and the lower end of the rotary-pushed section of the rotation shaft are provided with an upper hole and a lower hole respectively, and the upper hole and the lower hole are communicated through a hollow channel; a penetrated hole for being communicated with the upper sealing cavity and the lower sealing cavity is further formed in the piston, and a radial sliding track for preventing the piston from rotating is arranged between the piston and the barrel wall of the barrel; a shaft shoulder part of the spline shaft section of the rotation shaft is inserted into the barrel and fixed by a sealing cover in a sealed mode, the shaft shoulder part of the spline shaft section is provided with a shaft shoulder sealing ring, a threaded hole is formed in the center of the spline shaft section and communicated with the upper hole of the rotary-pushed section, and the threaded hole is plugged by an adjusting screw. According to the rotary-pushed damper, flow of damping oil of the damper when the damper is started or reset is adjusted, starting is easily and conveniently achieved, labor is saved, and resetting is stably and rapidly achieved.
Description
Technical field
The utility model relates to a kind of damper, and particularly a kind of revolving of hinge axis during for opening and closing such as furniture, sanitary equipment pushes away damper.
Background technology
At present, the parts of some devices rotate around axle, and the lid of opening up and down as needed in furniture, lavatory lid etc., mainly adopt two kinds of structures: a kind of is directly with bearing pin, to connect, and can send the very large sound when opening, putting down, and the impact causing is large; Another kind is to adopt spring buffer, and easily because spring corrosion or elastic force lost efficacy and cannot use, application life is short again; For the problems referred to above Chinese patent 200920198690.0, designed a kind of snubber with blade, this device adopts damping unit to realize unlatching or the reset of renovating, and in damping unit, the flow-control of damping oil is to open or reset while renovating, to produce the main cause of resistance.But the same defect existing of this device is open or reset while renovating, because the flow-control of damping oil is identical, the resistance producing while causing opening or resetting is identical, make relatively to require great effort in opening process, and there are cylinder muscle and rotating shaft wearing and tearing and blade and barrel wearing and tearing, declined to a great extent application life.
Therefore the damper that, needs a kind of problem such as large of relatively requiring great effort, wear and tear can overcome the unlatching that prior art exists time.
Utility model content
The purpose of this utility model be to provide a kind of labor-saving opening rapidly, reset at the uniform velocity and little the revolving of wearing and tearing pushes away damper.
The purpose of this utility model is achieved in that a kind of revolving pushes away damper, comprises rotating shaft and cylindrical shell, it is characterized in that: rotating shaft is inserted in cylindrical shell; Rotating shaft forms by revolving the section of pushing away and key shaft part, revolves in the section of pushing away and is radially fixed with and revolves distribution, revolves the section of pushing away and is set with successively piston and valve block 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; Piston is separated into annular seal space annular seal space and lower seal chamber in cylindrical shell; The section of the pushing away upper and lower end that revolves of rotating shaft has He Xia hole, hole and is connected by hollow channel; On piston, be also provided with the perforation that is communicated with upper annular seal space and lower seal chamber; Between piston and cylindrical shell barrel, be provided with the track that radially slides that prevents piston rotation; In the shaft shoulder partial insertion cylindrical shell of the key shaft part of rotating shaft, and fixed by seal cap sealing; The shaft shoulder of key shaft part is partly 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.
The purpose of this utility model can also realize like this: diameter is gradually large from bottom to top for the section of pushing away of revolving of rotating shaft, is inverted round stage shape; During descent of piston, the gap of revolving between the section of pushing away of piston inner hole and rotating shaft becomes greatly gradually, makes damping oil in lower seal chamber when this gap enters annular seal space, and oil inlet quantity is the state that strengthens gradually.
The track that radially slides that prevents piston rotation arranging between piston and cylindrical shell barrel is: at cylinder inboard wall, two symmetrical convex planes are set, corresponding with it, two symmetrical sections are set on piston external diameter, the two engagement limits piston rotation, and piston can only be axially moved in the annular seal space of cylindrical shell.
The beneficial effects of the utility model are: the damping oil flow when being opened and being resetted by damping adjusting device, makes to open Portable power saving, reset speed stabilizing; Meanwhile, a piston packing is installed on the external diameter due to piston, can seals upper-lower seal chamber, do not make damping oil along channelling between piston external diameter and cylinder inboard wall, can play wear-resisting effect again, can significantly improve the application life of damper.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is the utility model structural representation;
Fig. 2 is cylindrical shell longitudinal plan of the present utility model;
Fig. 3 is piston longitudinal plan of the present utility model;
Fig. 4 is pivot structure schematic diagram of the present utility model;
Fig. 5 is seal cover schematic diagram of the present utility model.
The specific embodiment
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 hole 1.22, hollow channel 1.23), cylindrical shell 2(convex plane 2.1), seal cover 3, the upper annular seal space 4.1 of annular seal space 4(, lower seal chamber 4.2), revolve promote 5, piston 6(perforation 6.1), valve block 7, piston packing 8, shaft shoulder sealing ring 9, adjustment screw 10.
Referring to figs. 1 through Fig. 5, a kind of revolving pushes 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 is by revolving the section of pushing away 1.2 and key shaft part 1.1 forms, and revolves to be radially fixed with to revolve in the section of pushing away 1.2 to promote 5, revolves the section of pushing away 1.2 and is set with successively piston 6 and valve block 7 from bottom to top; Piston 6 endoporus are provided with internal thread, revolve to promote that 5 two ends are top matches with it as external screw thread; Piston 6 external diameters are provided with piston packing 8; Piston 6 is separated into annular seal space 4.1 and lower seal chamber 4.2 by annular seal space 4 cylindrical shell 2 is interior; The section of pushing away 1.2 upper and lower ends that revolve of rotating shaft 1 have hole 1.21 and lower hole 1.22 and are connected by hollow channel 1.23; On piston 6, be also provided with the perforation 6.1 that is communicated with upper annular seal space 4.1 and lower seal chamber 4.2; Between piston 6 and cylindrical shell 2 barrels, be provided with the track that radially slides that prevents piston rotation; In the shaft shoulder partial insertion cylindrical shell of the key shaft part 1.1 of rotating shaft 1, and fixing by seal cover 3 sealings; The shaft shoulder of key shaft part 1.1 is partly provided with shaft shoulder sealing ring 9, and key shaft part 1.1 centers have 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 for the section of pushing away 1.2 of revolving of rotating shaft 1, is inverted round stage shape; 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 greatly gradually, makes damping oil in lower seal chamber 4.2 when this gap enters annular seal space, and oil inlet quantity is the state that strengthens gradually.
The track that radially slides that prevents piston rotation arranging between piston 6 and cylindrical shell 2 barrels is: at cylindrical shell 2 inwalls, two symmetrical convex planes 2.1 are set, corresponding with it, two symmetrical sections are set on piston 6 external diameters, the two engagement limits piston 6 rotation, and piston can only be axially moved in the annular seal space 4 of cylindrical shell.
Key shaft part 1.1 centers of rotating shaft are screwed hole 1.11, in screwed hole 1.11, screw in adjustment screw 10, 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 that leads to upper annular seal space, be used for setting the grade specification of bearing moment of torsion of damper, simultaneously before screwing in adjustment screw, the air sandwiching when this screw can be got rid of canned damping oil.
Concept up and down in the narrations such as above-described " rotating shaft 1 revolve the section of pushing away 1.2 upper and lower ends ", " diameter is gradually large from bottom to top for the section of pushing away 1.2 of revolving of rotating shaft 1 " is shown as under the right side is in the drawings, and a left side is upper, because diagram is revolved, to push away damper be that transverse plane is put state.
Specific works process:
When rotating shaft 1 rotation, it revolves distribution 5 and rotates with axle, because revolving, promote 5 and match as the internal thread in the endoporus of external screw thread and piston 6 by two ends are top, in addition between piston 6 and cylindrical shell 2 barrels, be provided with the rotation of piston that radially slided track restrictions that prevents piston rotation, piston 6 can only be done axially-movable cylindrical shell 2 annular seal spaces 4 are interior revolving under the promotion of promoting 5.Piston 6 is separated into annular seal space 4.1 and lower seal chamber 4.2 by annular seal space 4 cylindrical shell 2 is interior; 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 centers is hollow channel 1.23, has lower hole 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.
Piston 6 longitudinally physical location has perforation 6.1, and the top of piston 6 is provided with valve block 7.When piston 6 moves upward, valve block 7 covers perforation 6.1, and when piston 6 down moves, damping oil backs down valve block 7, opens perforation 6.1, and damping oil flows in annular seal space 4.1 by perforation 6.1 from lower seal chamber 4.2, and this is damping oil half-duplex channel.
Diameter is gradually large from bottom to top for the section of pushing away 1.2 of revolving of rotating shaft 1, is inverted round stage shape; 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 greatly gradually, makes damping oil in lower seal chamber 4.2 when this gap enters annular seal space, and oil inlet quantity is the state that strengthens gradually, and this is damping oil variable duplex channel.
It is example explanation that the utility model of take is below arranged on lavatory lid: during installation, the utility model damper cylindrical shell is fixed on toilet, the key shaft part of rotating shaft is connected with the of bonding cover of lavatory lid.
When toilet lid is upwards opened while digging, the distribution of revolving of damper is rotated with rotating shaft, promotion piston moves down, and lower seal chamber volume dwindles, and damping oil enters upper annular seal space by following three passages: the one, and lower hole, hollow channel, the upper hole of by rotating shaft, being revolved the section of pushing away enter upper annular seal space; The 2nd, by boring a hole, 6.1 back down valve block and flow into annular seal space; The 3rd, 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 is along with moving down of piston becomes large gradually.Because the valve block on the top of boring a hole on piston can back down by automatic damped oil, oil is direct annular seal space from lower seal chamber flows into also, add moving down because of piston, make piston push away intersegmental moving back to pull out gap increasing with revolving, also make damping oil reflux in a large number, add the intrinsic capacity of returns of revolving the section of pushing away hollow channel, will make damping force decline rapidly, make horse disclose lid and turn on can be easily and open.
Lavatory lid is when putting down, along with the change gravity of angle be applied to revolve the moment of torsion pushing away in damper rotating shaft can be increasing, revolve while pushing away damper rotating shaft rotation, it revolves sales promotion meeting promotion piston and moves upward, upper annular seal space volume diminishes, because being promoted valve block by the damping oil in upper annular seal space, the perforation on piston covers, damping oil in upper annular seal space can only flow in lower seal chamber by revolving the section of pushing away hollow channel, the gap of revolving the section of pushing away because of piston inner hole and rotating shaft is the state of pulling out that moves back upwards diminishing gradually simultaneously, therefore moving upward, piston can make piston more and more less with the gap of revolving the section of pushing away in process, 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 accelerated, reach steady uniform descent, do not produce impact sound, reached at the uniform velocity slow effect of falling.
Protection domain of the present utility model should not be regarded as only limiting to the concrete form that embodiment states, protection domain of the present utility model is also and in those skilled in the art's equivalent technologies means that design can be expected according to the utility model.
Claims (3)
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) forms by revolving the section of pushing away (1.2) and key shaft part (1.1), revolves in the section of pushing away (1.2) and is radially fixed with and revolves distribution (5), revolves the section of pushing away (1.2) and is set with successively piston (6) and valve block (7) from bottom to top; 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); Piston (6) is separated into annular seal space (4) upper annular seal space (4.1) and lower seal chamber (4.2) 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 hole (1.22) and is connected by hollow channel (1.23); On piston (6), be also provided with the perforation (6.1) that is communicated with upper annular seal space (4.1) and lower seal chamber (4.2); Between piston (6) and cylindrical shell (2) barrel, be provided with the track that radially slides that prevents piston rotation; In the shaft shoulder partial insertion cylindrical shell of the key shaft part (1.1) of rotating shaft (1), and fixing by seal cover (3) sealing; The shaft shoulder of key shaft part (1.1) is partly 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.
2. according to claim 1 revolving pushes away damper, it is characterized in that: diameter is gradually large from bottom to top for the section of pushing away (1.2) of revolving of rotating shaft (1), is inverted round stage shape; 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 greatly gradually, makes damping oil in lower seal chamber (4.2) when this gap enters annular seal space, and oil inlet quantity is the state that strengthens gradually.
3. according to claim 1 and 2 revolving pushes away damper, it is characterized in that: the track that radially slides that prevents piston rotation arranging 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, on piston (6) external diameter, two symmetrical sections are set, the two engagement limits piston (6) rotation, and piston can only be axially moved in the annular seal space (4) of cylindrical shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320618904.1U CN203515116U (en) | 2013-10-08 | 2013-10-08 | Rotary-pushed damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320618904.1U CN203515116U (en) | 2013-10-08 | 2013-10-08 | Rotary-pushed damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203515116U true CN203515116U (en) | 2014-04-02 |
Family
ID=50374064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320618904.1U Expired - Fee Related CN203515116U (en) | 2013-10-08 | 2013-10-08 | Rotary-pushed damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203515116U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485640A (en) * | 2013-10-08 | 2014-01-01 | 金烈水 | Rotating push damper |
| 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 |
-
2013
- 2013-10-08 CN CN201320618904.1U patent/CN203515116U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485640A (en) * | 2013-10-08 | 2014-01-01 | 金烈水 | Rotating push damper |
| CN103485640B (en) * | 2013-10-08 | 2016-02-03 | 金烈水 | Revolve and push away damper |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20151008 |
|
| EXPY | Termination of patent right or utility model |