CN102720837B - Anti-falling seal ring and corresponding lamp seal structure - Google Patents
Anti-falling seal ring and corresponding lamp seal structure Download PDFInfo
- Publication number
- CN102720837B CN102720837B CN201110079922.2A CN201110079922A CN102720837B CN 102720837 B CN102720837 B CN 102720837B CN 201110079922 A CN201110079922 A CN 201110079922A CN 102720837 B CN102720837 B CN 102720837B
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- seal ring
- drop
- bump
- proof seal
- proof
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Abstract
The invention relates to an anti-falling seal ring. A protruding part is arranged on the cross section of the anti-falling seal ring, a hollow part is arranged in the middle of the cross section of the anti-falling seal ring, and the protruding part is slightly nearer to the mounting end of the anti-falling seal ring than the hollow part. The invention further relates to a lamp seal structure. According to the anti-falling seal ring and the corresponding lamp seal structure, the sea ring is prevented from falling through being additionally provided with the protruding part and the hollow part, thereby overcoming the defects of troublesome and inconvenient remounting of the existing seal ring which is easy to fall from a mounting position due to the absence of the anti-falling function.
Description
Technical field
The present invention relates to field of sealing technology, more particularly, relate to a kind of Drop-proof seal ring and corresponding light fitting sealing structure.
Background technique
Now aerial when light fixture is safeguarded, usually to open light fixture light cover, and the seal ring in light fixture light cover does not have anti-drop function usually, after opening light fixture light cover, seal ring easily drops out due to Action of Gravity Field or other reasons, seal ring after simultaneously dropping needs the cleaning re-starting surface could continue to use, and installation trouble is again very inconvenient.
Summary of the invention
The technical problem to be solved in the present invention is, owing to not having anti-drop function easily to come off from installation position to cause, the inconvenient defect of trouble is again installed for the seal ring of prior art and corresponding light fitting sealing structure, a kind of seal ring by realizing Drop-proof to the architecture advances of seal ring and light fitting sealing structure are accordingly provided.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of Drop-proof seal ring, the cross section of wherein said Drop-proof seal ring is provided with bump, the middle part of described cross section is provided with hollow portion, the mounting end of described bump described Drop-proof seal ring slightly more close than described hollow portion.
In Drop-proof seal ring of the present invention, described bump is arranged on the both sides of the cross section of described Drop-proof seal ring.
In Drop-proof seal ring of the present invention, described two bumps be two symmetrical can to the spring section of the opposite direction generation deformation of installing.
In Drop-proof seal ring of the present invention, described hollow portion is can by the hollow hole of external pressure distortion.
In Drop-proof seal ring of the present invention, the diameter of described hollow hole is the 1/3-1/2 of described Drop-proof seal ring height.
In Drop-proof seal ring of the present invention, the length of described bump is 0.8 times-1.2 times of described hollow hole diameter.
In Drop-proof seal ring of the present invention, described hollow hole is circular, forms an annulus, have air in annulus through whole Drop-proof seal ring.
In Drop-proof seal ring of the present invention, described bump and described Drop-proof seal ring body are by bonding or being connected by steel-wire carcass.
In Drop-proof seal ring of the present invention, described bump adopts the abrasive rubber of hardness 50-60, and described Drop-proof seal ring body adopts the elastic caoutchouc of hardness 35-40.
The invention still further relates to a kind of light fitting sealing structure, comprise housing and light cover, described housing is provided with seal groove, in wherein said seal groove, be provided with above-mentioned Drop-proof seal ring.
Implement Drop-proof seal ring of the present invention and corresponding light fitting sealing structure, there is following beneficial effect: bump is set above the cross section of Drop-proof seal ring, if Drop-proof seal ring is subject to gravity or other external force when making Drop-proof seal ring depart from seal groove, bump produces the friction contrary with departing from seal groove direction, simultaneously Drop-proof seal ring is subject to external force when making bump away from hollow portion, the external force that bump is subject to is larger, also larger (due to the mounting end of bump Drop-proof seal ring slightly more close than hollow portion to the extruding force of bump, hollow portion cannot discharge this extruding force), friction is also larger, thus achieve the Drop-proof of seal ring.
Both sides arrange the better effects if of bump Drop-proof simultaneously.Bump is symmetrical arranged the design of being convenient to hollow portion to reach best Drop-proof effect.The design of hollow hole makes Drop-proof seal ring be convenient to install the effect simultaneously not affecting again Drop-proof.The too short effect that cannot reach Drop-proof of length of bump, the oversize installation difficulty causing Drop-proof seal ring.Annulus be arranged so that the Drop-proof effect that whole Drop-proof seal ring reaches unified.Bump and Drop-proof seal ring body adopt the elastic material of different hardness, ensure that sealing and the Drop-proof performance of seal ring simultaneously.The Placement of bump and Drop-proof seal ring body ensure that both firm connections.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the sectional view of the preferred embodiment of Drop-proof seal ring of the present invention;
Fig. 2 is the use flow chart of the preferred embodiment of Drop-proof seal ring of the present invention;
Fig. 3 is the structural representation of the preferred embodiment of light fitting sealing structure of the present invention;
Fig. 4 is the concrete structure sectional view of the preferred embodiment of Drop-proof seal ring of the present invention.
Embodiment
In order to make object of the present invention, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
In the sectional view of the preferred embodiment of the Drop-proof seal ring of the present invention shown in Fig. 1, the cross section of Drop-proof seal ring is provided with bump 1, the middle part of cross section is provided with hollow portion 2, the mounting end of bump 1 Drop-proof seal ring slightly more close than hollow portion 2.As shown in Figure 1, the mounting end of the central plane A of bump 1 Drop-proof seal ring slightly more close than the edge tangent plane B of hollow portion 2.Like this, when Drop-proof seal ring of the present invention uses, if seal ring is subject to gravity or other external force when making seal ring depart from seal groove 5, namely bump 1 produces the frictional force contrary with departing from seal groove 5 direction, simultaneously seal ring is subject to external force when making bump 1 away from hollow portion 2, the external force that bump 1 is subject to is larger, also larger (due to the mounting end of bump 1 Drop-proof seal ring slightly more close than hollow portion 2 to the extruding force of bump 1, the central plane A of bump 1 is solid, this extruding force cannot be discharged), thus friction is also larger, thus achieve the Drop-proof of seal ring.
As the preferred embodiment of Drop-proof seal ring of the present invention, bump 1 is arranged on the both sides of the cross section of Drop-proof seal ring.Two bumps 1 be two symmetrical can to the spring section of the opposite direction generation deformation of installing.Hollow portion 2 is can by the hollow hole of external pressure distortion.The diameter of hollow hole is the 1/3-1/2 of Drop-proof seal ring height.The better effects if of bump 1 Drop-proof is set in the both sides of seal ring simultaneously, certainly only the effect that bump 1 also can play certain Drop-proof is set in the side of seal ring.The design of hollow hole makes Drop-proof seal ring be convenient to install the effect simultaneously not affecting again Drop-proof, during installation, bump 1 towards contrary with installation direction, such bump 1 is positioned at the both sides of hollow portion 2 after being out of shape, hollow portion 2 stress deformation, seal ring can be installed in seal groove 5 easily, and when seal ring comes off by external force or gravity, bump 1 also can play the effect of good Drop-proof simultaneously.As bump 1 is symmetrical arranged the design being convenient to hollow portion 2 to reach best Drop-proof effect, be convenient to like this utilize the symmetric space of hollow portion 2 both sides to bump 1 as deformation space.The diameter of hollow hole be the 1/3-1/2 of Drop-proof seal ring height be arranged so that hollow hole can not have an impact to the sealing effect of seal ring.
As the preferred embodiment of Drop-proof seal ring of the present invention, the length of bump 1 is 0.8 times of hollow hole diameter to 1.2 times.The length of bump 1 is important technical characteristics of the present invention, and the length as bump 1 is too short, then the effect that can cannot reach Drop-proof because frictional force is not enough; Length as bump 1 is oversize, and when bump 1 stress deformation gluing, sealing circle body, the end of bump 1 can exceed the top of hollow portion 2, thus causes the installation difficulty of Drop-proof seal ring.
As the preferred embodiment of Drop-proof seal ring of the present invention, hollow hole is circular, forms an annulus, have air in annulus through whole Drop-proof seal ring.Annulus be arranged so that the Drop-proof effect that whole Drop-proof seal ring can reach unified, be convenient to the installation and removal of seal ring.
Use flow chart below by the preferred embodiment of the Drop-proof seal ring of the present invention shown in Fig. 2 illustrates the working principle of Drop-proof seal ring of the present invention.Drop-proof seal ring is loaded in seal groove 5, at this moment the bump 1 of seal ring is upwards out of shape, due to the existence of hollow portion 2, the extruding force that the distortion of bump 1 produces all is absorbed by the distortion of hollow portion 2, and therefore seal ring can be installed in seal groove 5 very easily.When seal ring is subject to gravity or other external force makes seal ring depart from seal groove 5, namely bump 1 produces the frictional force contrary with departing from seal groove 5 direction, simultaneously seal ring is subject to external force when making bump 1 away from hollow portion 2, the external force that bump 1 is subject to is larger, also larger (due to the mounting end of bump 1 Drop-proof seal ring slightly more close than hollow portion 2 to the extruding force of bump 1, the central plane A of bump 1 is solid, this extruding force cannot be discharged), thus bump 1 is also larger with the friction of sealing cell wall, thus achieves the Drop-proof of seal ring.
As the preferred embodiment of Drop-proof seal ring of the present invention, bump 1 and Drop-proof seal ring body are by bonding or being connected by steel-wire carcass.Bump 1 adopts the abrasive rubber of hardness 50-60, and seal ring body adopts the elastic caoutchouc of hardness 35-40.Bump 1 and seal ring body adopt different types of rubber; due to bump 1 often can with contact wall and rub; therefore select the higher abrasive rubber of hardness to ensure its working life; and seal ring body is mainly for generation of good tightness, the elastic caoutchouc that hardness is lower is therefore selected to use with reliable to ensure to install easily.Bump 1 and Drop-proof seal ring body are by bonding or being connected by steel-wire carcass, and in order to ensure good connection effect, bump 1 and Drop-proof seal ring body generally adopt the rubber of identical material, such as silicone rubber etc.
The invention still further relates to a kind of light fitting sealing structure, the structural representation of the preferred embodiment of light fitting sealing structure of the present invention as shown in Figure 3, described light fitting sealing structure comprises housing 3, light cover 4 and seal ring, housing 3 is provided with the seal groove 5 for arranging seal ring, described light fitting sealing structure adopts above-mentioned Drop-proof seal ring to carry out sealing joint.Use light fitting sealing structure of the present invention, if seal ring is subject to gravity or other external force when making seal ring depart from seal groove 5, namely bump 1 produces the frictional force contrary with departing from seal groove 5 direction, simultaneously seal ring is subject to external force when making bump 1 away from hollow portion 2, the external force that bump 1 is subject to is larger, also larger (due to the mounting end of bump 1 Drop-proof seal ring slightly more close than hollow portion 2 to the extruding force of bump 1, the central plane A of bump 1 is solid, this extruding force cannot be discharged), thus bump 1 is also larger with the friction of sealing cell wall, thus achieve the Drop-proof of seal ring.
In the concrete structure sectional view of the preferred embodiment of the Drop-proof seal ring of the invention shown in Fig. 4, the width a of seal ring is 8.0mm, wherein the width i of seal ring body is 3.8mm, the height f of seal ring is 8.1mm, the distance d of the central plane A of bump 1 and the edge tangent plane B of hollow portion 2 is 0.2mm, the center of hollow portion 2 and the distance b of seal ring mounting end are 3.3mm, the height c of bump 1 is 1.0mm, the center of bump 1 and the distance e of seal ring mounting end are 1.9mm, the diameter h of hollow portion 2 is 2.5mm, seal ring is also provided with the fillet that radius of curvature g is 0.6mm simultaneously.Use the Drop-proof seal ring shown in Fig. 4 can also play good Drop-proof effect while not affecting seal ring sealing effect.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure transformation utilizing specification of the present invention and accompanying drawing content to do, or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (2)
1. a Drop-proof seal ring, it is characterized in that, the cross section of the body of described Drop-proof seal ring is rectangular, the cross section of described Drop-proof seal ring is provided with bump (1), the middle part of described cross section is provided with hollow portion (2), the mounting end of the central plane described Drop-proof seal ring slightly more close than the edge tangent plane of described hollow portion (2) of described bump (1), each described bump (1) is symmetrical about described central plane;
Described bump (1) is arranged on the both sides of the cross section of described Drop-proof seal ring, the bearing of trend of each described bump (1) is vertical with the short transverse of described seal ring, and described bump (1) be two symmetrical can to the spring section of the opposite direction generation deformation of installing, and after bump (1) distortion, be positioned at the both sides of hollow portion (2), and then the extruding force making the distortion of bump (1) produce all is absorbed by the distortion of hollow portion (2)
Described hollow portion (2) is the hollow hole that can be out of shape by external pressure,
The diameter of described hollow hole is the 1/3-1/2 of described Drop-proof seal ring height,
The length of described bump (1) is 0.8 times-1.2 times of described hollow hole diameter,
Described hollow hole is circular, forms an annulus, have air in annulus through whole Drop-proof seal ring,
The body of described bump (1) and described Drop-proof seal ring is by bonding or being connected by steel-wire carcass.
2. a light fitting sealing structure, comprise housing (3) and light cover (4), described housing (3) is provided with seal groove (5), it is characterized in that, in described seal groove (5), be provided with Drop-proof seal ring according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110079922.2A CN102720837B (en) | 2011-03-31 | 2011-03-31 | Anti-falling seal ring and corresponding lamp seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110079922.2A CN102720837B (en) | 2011-03-31 | 2011-03-31 | Anti-falling seal ring and corresponding lamp seal structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102720837A CN102720837A (en) | 2012-10-10 |
| CN102720837B true CN102720837B (en) | 2015-05-20 |
Family
ID=46946673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110079922.2A Expired - Fee Related CN102720837B (en) | 2011-03-31 | 2011-03-31 | Anti-falling seal ring and corresponding lamp seal structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN102720837B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061455A (en) * | 2013-03-22 | 2014-09-24 | 深圳市海洋王照明工程有限公司 | Lamp with anti-falling structure |
| CN107044625B (en) * | 2013-12-31 | 2019-10-29 | 江苏世星电子科技有限公司 | A kind of application method of lamp sealing device |
| CN105987301A (en) * | 2015-02-06 | 2016-10-05 | 海洋王照明科技股份有限公司 | LED (light-emitting diode) lamp |
| CN105987300A (en) * | 2015-02-06 | 2016-10-05 | 海洋王照明科技股份有限公司 | Led lamp |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2921469Y (en) * | 2005-12-06 | 2007-07-11 | 王述益 | Seal washer for plane seal |
| CN200975507Y (en) * | 2006-10-29 | 2007-11-14 | 倪静丰 | Rubber sealing ring |
| CN101761647A (en) * | 2009-10-14 | 2010-06-30 | 海洋王照明科技股份有限公司 | Special-shaped sealing ring and lamp sealing structure using same |
| CN101893090A (en) * | 2010-06-22 | 2010-11-24 | 海洋王照明科技股份有限公司 | Special-shaped sealing structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4017509B2 (en) * | 2002-12-02 | 2007-12-05 | ペガサスミシン製造株式会社 | Sewing gasket and sewing machine using the same |
-
2011
- 2011-03-31 CN CN201110079922.2A patent/CN102720837B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2921469Y (en) * | 2005-12-06 | 2007-07-11 | 王述益 | Seal washer for plane seal |
| CN200975507Y (en) * | 2006-10-29 | 2007-11-14 | 倪静丰 | Rubber sealing ring |
| CN101761647A (en) * | 2009-10-14 | 2010-06-30 | 海洋王照明科技股份有限公司 | Special-shaped sealing ring and lamp sealing structure using same |
| CN101893090A (en) * | 2010-06-22 | 2010-11-24 | 海洋王照明科技股份有限公司 | Special-shaped sealing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102720837A (en) | 2012-10-10 |
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| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150520 Termination date: 20190331 |