CN102818025B - Sealing structure for rotary shaft and lamp - Google Patents
Sealing structure for rotary shaft and lamp Download PDFInfo
- Publication number
- CN102818025B CN102818025B CN201110152613.3A CN201110152613A CN102818025B CN 102818025 B CN102818025 B CN 102818025B CN 201110152613 A CN201110152613 A CN 201110152613A CN 102818025 B CN102818025 B CN 102818025B
- Authority
- CN
- China
- Prior art keywords
- rotatingshaft
- rotary shaft
- seal ring
- sealing rings
- seal
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 23
- 239000004519 grease Substances 0.000 claims abstract description 24
- 239000000314 lubricant Substances 0.000 claims description 19
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 239000000428 dust Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 230000001050 lubricating effect Effects 0.000 abstract 4
- 238000001035 drying Methods 0.000 abstract 1
- 239000012466 permeate Substances 0.000 abstract 1
- 238000004078 waterproofing Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 1
- -1 during rotation Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
Landscapes
- Sealing Devices (AREA)
Abstract
The invention relates to a rotary mechanism and a lamp. The rotary mechanism comprises a support and a rotary shaft penetratingly arranged on the support, and the rotary shaft can rotate relative to the support. The rotary mechanism is characterized in that sealing rings for sealing are sleeved at two ends along the axial direction of the rotary shaft respectively, and a grease tank for storing lubricating grease is arranged on a middle portion along the axial direction of the rotary shaft. The grease tank is positioned between the sealing rings at the two ends and stored with the lubricating grease, and when the rotary shaft rotates, the lubricating grease permeates to the sealing rings at the two ends through the grease tank to lubricate the sealing rings, so that damages of the sealing rings caused by drying up of the lubricating grease when the sealing rings rotate for a long time can be avoided, normal use of the sealing rings can be guaranteed, sealing effects can be guaranteed, water proofing and dust proofing can be realized effectively, and safe and stable operation of the rotary shaft can be guaranteed. The sealing structure for the rotary shaft is simple and reliable in structure and convenient to mount. In addition, the two ends of the rotary shaft are both provided with the sealing rings, so that the rotary shaft can be positioned in the middle of the support as much as possible during rotation, and force balance is facilitated during rotation to enable the rotary shaft to move more stably.
Description
[technical field]
The present invention relates to a kind of sealing configuration, particularly relate to a kind of rotating shaft-seal structure and light fixture.
[background technique]
Usually, the light fixture with rotating mechanism in use, for reaching the object of water proof and dust proof, needs to seal rotating mechanism.
To the sealing of rotating mechanism, the general slat gum circle that adopts carries out radial seal to realize to the rotatingshaft of rotating mechanism.But lubricant oil when rubber ring is initially installed time longer when deployed dries up, and is easy to cause the hardening cracking of rubber ring and damage, makes rubber ring normally use, cause seal failure, effectively cannot carry out water proof and dust proof when being rotated further.Meanwhile, also make rotatingshaft rotate by safety and steady, cause light fixture normally to use.
[summary of the invention]
In view of this, be necessary to provide a kind of rotating mechanism preventing seal ring from damaging.
In addition, there is a need to provide a kind of light fixture using above-mentioned rotating shaft-seal structure.
A kind of rotating mechanism, comprise support and wear described holder pivots axle, described rotatingshaft moves relative to described bracket-rotatable, and described rotatingshaft two ends are vertically arranged with the seal ring for sealing respectively, and described rotatingshaft middle part vertically offers the oil groove for storing lubricant grease.
Preferably, described rotatingshaft two ends offer seal groove respectively, and described seal ring is socketed in described seal groove.
Preferably, described seal ring is O RunddichtringO.
Preferably, described seal ring is cylindrical seal circle, and the annular projection of formation at least two is protruded in periphery.
Preferably, described oil groove is the annular groove extended along the circumference of described rotatingshaft.
A kind of light fixture, comprise rotating mechanism, described rotating mechanism comprises support and wears the rotatingshaft of described support, described rotatingshaft is dynamic relative to described bracket-rotatable, described rotatingshaft two ends are vertically arranged with the seal ring for sealing respectively, and described rotatingshaft middle part vertically offers the oil groove for storing lubricant grease.
Preferably, described rotatingshaft two ends offer seal groove respectively, and described seal ring is socketed in described seal groove.
Preferably, described seal ring is O RunddichtringO.
Preferably, described seal ring is cylindrical seal circle, and the annular projection of formation at least two is protruded in periphery.
Preferably, described oil groove is the annular groove extended along the circumference of described rotatingshaft.
Above-mentioned rotating mechanism and light fixture, oil groove is between the seal ring of two ends and store lubricant grease, when rotatingshaft rotates, lubricant grease is infiltrated into the seal ring at two ends by oil groove, lubricates seal ring, lubricant grease can not occur when seal ring is rotated for a long time and dry up and damage, ensure the normal use of seal ring, ensure sealing effect, effectively carry out water proof and dust proof, also ensure that the safety and steady of rotatingshaft runs, simple and reliable for structure, and convenient installation.Meanwhile, rotatingshaft two ends are provided with seal ring, make rotatingshaft in rotation process, more occupy the centre of support, add equilibrium of forces during rotation, rotatingshaft are moved more steady.
[accompanying drawing explanation]
Fig. 1 is the section of structure of light fixture in an embodiment;
Fig. 2 is the enlarged view at the rotatingshaft of light fixture shown in Fig. 1 place.
[embodiment]
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Fig. 1 is the section of structure of light fixture in an embodiment, and Fig. 2 is the enlarged view at the rotatingshaft 200 of light fixture shown in Fig. 1 place.Composition graphs 1 and Fig. 2, this light fixture has rotating mechanism 10.Rotating mechanism 10 comprises support 100 and rotatingshaft 200.Rotatingshaft 200 is arranged in support 100, rotates relative to support 100.Rotatingshaft 200 two ends are vertically arranged with the seal ring 210 carrying out sealing respectively, and rotatingshaft 200 middle part vertically offers the oil groove 220 for storing lubricant grease.Seal ring 210 and oil groove 220 form the rotating shaft-seal structure sealed rotatingshaft 200.
In this embodiment, rotatingshaft 200 two ends offer the seal groove 230 for accommodating seal ring 210 respectively.Seal ring 210 is O RunddichtringO, is set in seal groove 230, is arranged on rotatingshaft 200 two ends.
Oil groove 220 is for storing lubricant grease.Lubricant grease, in rotatingshaft 200 rotation process, is infiltrated into the seal ring 210 at two ends, lubricates seal ring 210 by oil groove 220, ensure that seal ring 210 does not dry up.In a preferred embodiment, oil groove 220 is along the axially extended annular groove of rotatingshaft 200.
When rotatingshaft 200 opposite brackets 100 rotates, because rotatingshaft 200 two ends are all provided with seal ring 200, make rotatingshaft 200 in rotation process, more occupy the centre of support 100, add equilibrium of forces during rotation, make motion more steady.Oil groove 220 is between two ends seal ring 210 and store lubricant grease, during rotation, lubricant grease is by the seal ring 210 at infiltration lubrication two ends, and then it is withered and damage that lubricant grease can not occur when making seal ring 210 rotate for a long time, ensure the normal use of seal ring 210, ensure sealing effect, effectively carry out water proof and dust proof.Meanwhile, ensure that the safety and steady of rotatingshaft 200 runs, simple and reliable for structure, and convenient installation.
In other embodiments, for sealing further and ensureing that lubricant grease is not revealed, seal ring 210 is cylindrical seal circle, is socketed in seal groove 230.The annular projection of formation at least two is protruded in seal ring 210 periphery, multi-sealed.Meanwhile, make rotatingshaft 200 in rotation process, more occupy the centre of support 100 further, add equilibrium of forces during rotation, make motion more steady.
Meanwhile, in order to ensure enough lubricant greases, oil groove 220 is many.The oil groove 220 at two ends is near seal ring 210.
Above-mentioned rotating mechanism and light fixture, oil groove is between the seal ring of two ends and store lubricant grease, when rotatingshaft rotates, lubricant grease is infiltrated into the seal ring at two ends by oil groove, lubricates seal ring, lubricant grease can not occur when seal ring is rotated for a long time and dry up and damage, ensure the normal use of seal ring, ensure sealing effect, effectively carry out water proof and dust proof, also ensure that the safety and steady of rotatingshaft runs, simple and reliable for structure, and convenient installation.Meanwhile, rotatingshaft two ends are provided with seal ring, make rotatingshaft in rotation process, more occupy the centre of support, add equilibrium of forces during rotation, rotatingshaft are moved more steady.
The above embodiment only have expressed several mode of execution of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (2)
1. one kind for the rotating mechanism in light fixture, comprise support and wear described holder pivots axle, described rotatingshaft is dynamic relative to described bracket-rotatable, it is characterized in that, described rotatingshaft two ends are vertically arranged with the seal ring for sealing respectively, described rotatingshaft middle part vertically offers the oil groove for storing lubricant grease, described oil groove is the annular groove extended along the circumference of described rotatingshaft, described rotatingshaft two ends offer seal groove respectively, described seal ring is socketed in described seal groove, described seal ring is cylindrical seal circle, the annular projection of formation at least two is protruded in periphery.
2. a light fixture, comprise rotating mechanism, described rotating mechanism comprises support and wears the rotatingshaft of described support, described rotatingshaft is dynamic relative to described bracket-rotatable, it is characterized in that, described rotatingshaft two ends are vertically arranged with the seal ring for sealing respectively, described rotatingshaft middle part vertically offers the oil groove for storing lubricant grease, described oil groove is the annular groove extended along the circumference of described rotatingshaft, described rotatingshaft two ends offer seal groove respectively, described seal ring is socketed in described seal groove, described seal ring is cylindrical seal circle, the annular projection of formation at least two is protruded in periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110152613.3A CN102818025B (en) | 2011-06-08 | 2011-06-08 | Sealing structure for rotary shaft and lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110152613.3A CN102818025B (en) | 2011-06-08 | 2011-06-08 | Sealing structure for rotary shaft and lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102818025A CN102818025A (en) | 2012-12-12 |
| CN102818025B true CN102818025B (en) | 2015-04-01 |
Family
ID=47302342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110152613.3A Active CN102818025B (en) | 2011-06-08 | 2011-06-08 | Sealing structure for rotary shaft and lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102818025B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3781538A (en) * | 1972-07-26 | 1973-12-25 | P Brudy | Emergency warning lamp |
| CN201096194Y (en) * | 2007-08-17 | 2008-08-06 | 江门市江晟电机厂有限公司 | Rotating shaft sealing structure and electric motor using the structure |
| CN201137700Y (en) * | 2007-12-28 | 2008-10-22 | 上海东方泵业(集团)有限公司 | Non-contact oil seal device |
| CN201436426U (en) * | 2009-06-30 | 2010-04-07 | 广州机械科学研究院 | Rockwell sealing ring |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5793130A (en) * | 1997-02-07 | 1998-08-11 | Anderson; Marty J. | Miniature electric generator and lighting apparatus |
| KR100446970B1 (en) * | 2002-02-22 | 2004-09-01 | 주식회사 엘지이아이 | Apparatus for blocking ambient air of electrodless lighting system |
| CN201133575Y (en) * | 2007-12-21 | 2008-10-15 | 深圳市海洋王投资发展有限公司 | Multifunctional portable strong light |
| CN101858588B (en) * | 2010-04-23 | 2013-10-23 | 海洋王照明科技股份有限公司 | Sealing device for lamp |
-
2011
- 2011-06-08 CN CN201110152613.3A patent/CN102818025B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3781538A (en) * | 1972-07-26 | 1973-12-25 | P Brudy | Emergency warning lamp |
| CN201096194Y (en) * | 2007-08-17 | 2008-08-06 | 江门市江晟电机厂有限公司 | Rotating shaft sealing structure and electric motor using the structure |
| CN201137700Y (en) * | 2007-12-28 | 2008-10-22 | 上海东方泵业(集团)有限公司 | Non-contact oil seal device |
| CN201436426U (en) * | 2009-06-30 | 2010-04-07 | 广州机械科学研究院 | Rockwell sealing ring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102818025A (en) | 2012-12-12 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |