CN102679297B - Abnormal-shaped seal ring, lamp casing and lamp - Google Patents
Abnormal-shaped seal ring, lamp casing and lamp Download PDFInfo
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- CN102679297B CN102679297B CN201110057750.9A CN201110057750A CN102679297B CN 102679297 B CN102679297 B CN 102679297B CN 201110057750 A CN201110057750 A CN 201110057750A CN 102679297 B CN102679297 B CN 102679297B
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- jut
- fixing ring
- lamp
- distance
- annular matrix
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Abstract
The invention relates to an abnormal-shaped seal ring, a lamp casing and a lamp. The abnormal-shaped seal ring is used for being placed in a sealing groove of any end cover on the lamp and being pressed by the inner surface of the lamp casing to achieve sealing on the lamp, the abnormal-shaped seal ring comprises an annular substrate comprising an inner lateral face for force fit with the bottom face of the sealing groove and an outer lateral face for force fit with the inner surface of the casing. A plurality of protruding portions are arranged on the outer lateral face, the distance from the top end to the inner surface of each protruding portion gradually increases in sequence, and each protruding portion inclines towards the protruding portion with longer distance from the top end to the inner surface. The structure of the abnormal-shaped seal ring can reduce frictional drag between the end cover and the inner surface of the casing to save labor for assembly, and simultaneously the abnormal-shaped seal ring brings convenience to take out the end cover during maintenance. The plurality of protruding portions and the inner surface of the casing are pressed to form a plurality of waterproof protective screens to further improve waterproofness.
Description
Technical field
The present invention relates to lighting technical field, more particularly, relate to a kind of fixing ring, lamp outer casing and light fixture.
Background technology
Current many light fixtures are all the drum-shaped lamp body shells that adopts extrusion modling, then assemble respectively protecgulum and bonnet at shell two ends.In order to guarantee the water resistance of light fixture integral body, between protecgulum and shell and bonnet and shell, generally adopt O-ring seals to carry out radial seal, anti-sealing enters in lamp outer casing.
But after adopting above-mentioned O-ring seals to seal light fixture, want to reach good waterproof effect, O-ring seals must be pressed in the seal groove of protecgulum and bonnet, need so when mounted by larger power, O-ring seals to be pressed in corresponding seal groove, when needs keep in repair light fixture, be also difficult to again O-ring seals be removed.
Summary of the invention
The technical problem to be solved in the present invention is, for the above-mentioned defect of prior art, provides a kind of assembling and good fixing ring of water resistance be convenient to.
Another object of the present invention is, a kind of lamp outer casing that adopts above-mentioned fixing ring is provided.
Another object of the present invention is to, a kind of light fixture that adopts above-mentioned lamp outer casing is provided.
The technical solution adopted for the present invention to solve the technical problems is:
Construct a kind of fixing ring, for be placed on that light fixture is taken up an official post in the seal groove of an end cap and by lamp casing inner surface compress, to realize the sealing to light fixture, comprise annular matrix, described annular matrix comprises for the medial surface with described seal groove bottom surface compression fit and for the lateral surface with described shell inner surface compression fit; Wherein, be provided with a plurality of juts on described lateral surface, described in each, jut top increases in turn gradually to the distance between described medial surface, and described in each, jut all arrives the higher jut lopsidedness of distance between described medial surface towards top.
Fixing ring of the present invention, wherein, described jut top to the rise between described medial surface from, with corresponding seal groove bottom surface to the ratio of described shell inner surface distance be 5:4～8:5.
Fixing ring of the present invention, wherein, described jut top to the rise between described medial surface from, with corresponding seal groove bottom surface to the ratio of described shell inner surface distance be 9:7.
Fixing ring of the present invention, wherein, described jut is 10 °～30 ° with respect to described annular matrix angle of inclination radially.
Fixing ring of the present invention, wherein, described jut is 20 ° with respect to described annular matrix angle of inclination radially.
Fixing ring of the present invention, wherein, is provided with three described juts on described annular matrix, between adjacent described jut, be provided with gap, and three described jut tops are 15:14:13 to the distance proportion between described lateral surface successively.
Fixing ring of the present invention, wherein, three described jut tops are followed successively by 45:20,21:10,39:20 to the height between described lateral surface and described annular matrix oneself height ratio.
The present invention also provides a kind of lamp outer casing, comprises for holding the cylindrical shell of lamp lighting assembly, and on described housing, be provided with opening, described opening part is provided with end cap; On described end cap outer surface, be provided with seal groove, wherein, in described seal groove, be provided with the fixing ring as described in aforementioned any one; Described shell inner surface compresses the jut on described fixing ring, and top is arranged on the position near described housing inner side to the lower jut of distance between described medial surface, and top is arranged on the position near described opening to the higher jut of distance between described medial surface.
Lamp outer casing of the present invention, wherein, is provided with the installation concave surface of the annular matrix lateral surface that compresses described fixing ring on the inner surface of described opening.
The present invention also provides a kind of light fixture, wherein, comprises foregoing lamp outer casing.
Beneficial effect of the present invention is: by a plurality of juts that tilt towards shell nozzle direction are set on fixing ring annular matrix, can so that end cap when mounted, shell inner surface face compresses fixing ring along each jut incline direction, assembles more laborsaving; In addition, because each jut top increases in turn gradually to the distance between annular matrix medial surface, when top is arranged near the inner side of lamp casing to the less jut of distance between annular matrix medial surface, can reduce the frictional resistance between end cap and shell inner surface, be convenient to end cap assembling, be also convenient to when maintenance, end cap be taken out simultaneously.And a plurality of juts and shell inner surface compress can form multiple tracks waterproof barrier, can further improve water resistance.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing:
Fig. 1 is the fixing ring cutaway view of preferred embodiment of the present invention;
Fig. 2 is A part enlarged diagram in Fig. 1;
Fig. 3 is the lamp outer casing cutaway view of preferred embodiment of the present invention;
Fig. 4 is B part enlarged diagram in Fig. 3;
Fig. 5 is C part enlarged diagram in Fig. 3;
Fig. 6 is the light fixture partial structurtes schematic diagram of preferred embodiment of the present invention.
The specific embodiment
The fixing ring sectional structure of preferred embodiment of the present invention as shown in Figure 1, consult Fig. 2, Fig. 3, Fig. 4 and Fig. 5 simultaneously, fixing ring 2 is taken up an official post in the seal groove 11 of an end cap 1 for being placed on light fixture, and is compressed by lamp casing 3 inner surfaces, to realize the sealing to light fixture.This fixing ring 2 comprises annular matrix 21, and annular matrix 21 comprises for the medial surface 23 with seal groove 11 bottom surface compression fit, and for the lateral surface 24 with housing 3 inner surface compression fit.Wherein, on the lateral surface 23 of annular matrix 21, be provided with a plurality of juts 22, each jut 22 tops increase in turn gradually to the distance between annular matrix 21 medial surfaces, and a plurality of jut 22 all arrives higher jut 22 lopsidedness of distance between annular matrix medial surface towards top.
In the present embodiment, as shown in Fig. 3, Fig. 4 and Fig. 5, by this fixing ring 2 be placed into seal groove 11 on end cap 1 interior after, again end cap 1 is placed into the opening part of lamp casing 3, housing 3 opening part inner surfaces can compress the jut 22 on fixing ring 2, make jut 22 towards the compacted distortion of incline direction, thereby stop outside water to enter into lamp casing 3 inside from end cap 1 and the gap location of housing 3, play the effect of waterproof.Owing to being provided with a plurality of juts 22, and each jut 22 itself is set to heeling condition, when when jut 22 incline directions are pushed into housing 3 opening part together by end cap 1 and fixing ring 2 thereof, and can be more laborsaving.
Simultaneously, because each jut 22 tops increase in turn gradually to the distance between annular matrix 21 medial surfaces 23, when top is arranged near a lamp casing 3 inner side to the less jut 22 of distance between annular matrix 21 medial surfaces, can reduce the frictional resistance between end cap 1 and housing 3 inner surfaces, be convenient to end cap 1 assembling, be also convenient to when maintenance, end cap 1 be taken out simultaneously.Correspondingly, top is arranged near lamp casing 3 opening part one sides to 22 larger of the juts of distance between annular matrix 21 medial surfaces 23, can, so that fixing ring 2 produces larger compressive deformation in opening part position, guarantee sealing property like this.And a plurality of juts 22 compress and can form multiple tracks waterproof barrier with housing 3 inner surfaces, can further improve water resistance.
Because top is to be positioned near lamp casing 3 opening part one sides, for guaranteeing the water resistance of fixing ring 2 to the highest jut 22 of distance between medial surface 23 when mounted.Therefore, the height of this jut 22 is very large on the water resistance impact of fixing ring 2 integral body.If the height of this jut 22 is too low, can cause water resistance bad; If its excessive height, difficulty in the time of can causing fixing ring 2 pack into and take out.
As shown in Figure 2 and Figure 4, through repetition test, prove, jut 22 tops on fixing ring 2 are to the rise between annular matrix 21 medial surfaces 23 from being preferably 5:4～8:5 with corresponding seal groove 11 bottom surfaces to the ratio of housing 3 inner surface distances, 9:7 more preferably, with when guaranteeing sealing property, can make fixing ring 2 be convenient to assembling.
In addition, the angular dimension that jut 22 tilts also can have influence on the water resistance of fixing ring 2 and assembling, removal efficiency.If jut 22 angles of inclination are excessive, although can more be convenient to assembling, but can cause jut 22 deformation quantity when being compressed by housing 3 inner surfaces too small, cause water resistance inadequate, also can make between fixing ring 2 and housing 3 frictional force too small simultaneously, even can make end cap 1 easily deviate from.
As shown in Figure 2, through repetition test, prove, jut 22 is preferably 10～30 ° with respect to annular matrix 21 angle of inclination e radially, and more preferably 20 °, so that fixing ring 2, when guaranteeing sealing property, is convenient to assembling more.
In a further embodiment, as shown in Figure 2, on annular matrix 21 lateral surfaces 24 of fixing ring 2, be provided with three juts 22, be designated as respectively the first jut 221, the second jut 222 and the 3rd jut 223, between adjacent protrusions portion 22, be provided with gap.Three jut 22 tops increase successively gradually to distance a, b between annular matrix 21 lateral surfaces 24, c.Through repetition test, prove, when three jut 22 tops are 15:14:13 to the distance proportion a:b:c between lateral surface 24 successively, can reach best waterproof effect and be convenient to assembling.After three juts 22 are compressed by housing 3 inner surfaces, form three road waterproof barriers.
Wherein, the first the highest jut 221 compresses with housing 3 inner surfaces, form first waterproof barrier, play topmost waterproof action, when external water pressure excessive, when water enters into the gap location between the first jut 221 and the second jut 222 through the gap of the first jut 221 and housing 3 inner surfaces, the second jut 222 compresses and forms second waterproof barriers with housing 3 inner surfaces, further stops water to enter into lamp interior.
The like, when water enters between the second jut 222 and the 3rd jut 223 through second waterproof barrier, the 3rd jut 223 compresses and forms San road waterproof barrier with housing 3 inner surfaces.Owing to entering into the second jut 222 and the first jut 221 gap locations or entering into the second jut 222 and the water yield of the 3rd jut 223 gap locations generally can be less, therefore hydraulic pressure is not too large, even if the deformation quantity that the second jut 222 and the 3rd jut 223 are produced by housing 3 inner surface compressions, be not as large as the deformation quantity that the first jut 221 is produced, is also enough to defend a small amount of water.
Through repetition test, prove, as shown in Figure 2, three jut 22 tops are set gradually as 45:20,21:10,39:20 to the height (a-d, b-d, c-d) between annular matrix 21 lateral surfaces 24 and annular matrix 21 oneself height d ratios, can further guarantee the multilayer flashing effect of above-mentioned three juts 22, first waterproof barrier, second waterproof barrier He tri-road waterproof barriers can be played one's part to the full.
In another embodiment of the present invention, a kind of lamp outer casing is also provided, as shown in Fig. 3, Fig. 4 and Fig. 5, comprise for holding the cylindrical shell 3 of lamp lighting assembly, on housing 3, be provided with opening, opening part is provided with end cap 1; On end cap 1 outer surface, be provided with seal groove 11.Wherein, in seal groove 11, be provided with the fixing ring 2 as described in aforementioned any one.Housing 3 inner surfaces compress the jut 22 on fixing ring 2, and top is arranged on the position near housing 3 inner sides to the lower jut 22 of distance between annular matrix 21 medial surfaces 23, top is arranged on the position near housing 3 openings to the higher jut 22 of the distance between medial surface 23.That is, a plurality of juts 22 are all tilted towards housing 3 opening parts, the end cap 1 of being convenient to be provided with this fixing ring 2 is assembled to housing 3 opening parts.Wherein, the detailed structure of this fixing ring 2 and waterproof thereof and assembly performance refer to aforementioned each embodiment, do not repeat them here.
Because the housing 3 of light fixture is generally the cylindrical structure of extrusion molding, add man-hour extruding, may exist cylinder to become oval situation, and end cap 1 outer surface is generally rounded face.Therefore, as shown in Figure 6, in a further embodiment, on the inner surface of above-mentioned lamp casing 3 opening parts, be respectively arranged with the installation concave surface 31 of annular matrix 21 lateral surfaces 24 that compress fixing ring 2.This installs concave surface 31 is annular face, with the shape of adaptive end cap 1 outer surface and fixing ring 2.
In the lamp outer casing of above-described embodiment, the opening number on housing 3 can arrange according to installation and light fixture overall construction design, can be an opening, can be also two openings, or more, at each opening part, is respectively arranged with end cap 1.
For example, as shown in Figure 3, when two openings are set, can be divided into front opening and open rearward end, the end cap 1 arranging on front opening is drive end bearing bracket, and the end cap 1 arranging in open rearward end is rear end cap.End cap 1 described in above-described embodiment can be drive end bearing bracket, can be also rear end cap.Correspondingly, on drive end bearing bracket and rear end cap, be respectively arranged with seal groove 11, in seal groove 11 separately, be respectively arranged with the fixing ring 2 described in the various embodiments described above.
In another embodiment of the present invention, a kind of light fixture is also provided, as shown in Figure 6, this light fixture comprises light fixture (not shown), also comprises the lamp outer casing described in embodiment above, light fixture is arranged in housing 3 inner chambers of lamp outer casing.The structure of lamp outer casing and fixing ring thereof can, referring to the description of aforementioned each embodiment, not repeat them here.
In sum, the present invention by arranging a plurality of juts 22 that tilt towards housing 3 opening directions on fixing ring 2 annular matrix 21, can so that end cap 1 when mounted, housing 3 inner surfaces compress fixing rings 2 along each jut 22 incline directions, assemble more laborsaving; In addition, because each jut 22 tops increase in turn gradually to the distance between annular matrix 21 medial surfaces 23, when top is arranged near a lamp casing 3 inner side to the less jut 22 of distance between annular matrix 21 medial surfaces 23, can reduce the frictional resistance between end cap 1 and housing 3 inner surfaces, be convenient to end cap 1 assembling, be also convenient to when maintenance, end cap 1 be taken out simultaneously.And a plurality of juts 22 compress and can form multiple tracks waterproof barrier with housing 3 inner surfaces, can further improve water resistance.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (10)
1. a fixing ring, be used for being placed on light fixture is taken up an official post in the seal groove (11) of an end cap (1) and by lamp casing (3) inner surface compress, to realize the sealing to light fixture, it is characterized in that, comprise annular matrix (21), described annular matrix (21) comprises for the medial surface (23) with described seal groove (11) bottom surface compression fit and for the lateral surface (24) with described housing (3) inner surface compression fit; Wherein, on described lateral surface (24), be provided with a plurality of juts (22), jut described in each (22) top increases in turn gradually to the distance between described medial surface (23), and described in each, jut (22) all arrives higher jut (22) lopsidedness of distance between described medial surface (23) towards top.
2. fixing ring according to claim 1, it is characterized in that, described jut (22) top to the rise between described medial surface (23) from, with corresponding seal groove (11) bottom surface to the ratio of described housing (3) inner surface distance be 5:4～8:5.
3. fixing ring according to claim 1, is characterized in that, described jut (22) top to the rise between described medial surface (23) from, with corresponding seal groove (11) bottom surface to the ratio of described housing (3) inner surface distance be 9:7.
4. fixing ring according to claim 1, is characterized in that, described jut (22) is 10 °～30 ° with respect to described annular matrix (21) angle of inclination (e) radially.
5. fixing ring according to claim 1, is characterized in that, described jut (22) is 20 ° with respect to described annular matrix (21) angle of inclination (e) radially.
6. fixing ring according to claim 1, it is characterized in that, on described annular matrix (21), be provided with three described juts (22), between adjacent described jut (22), be provided with gap, three described juts (22) top is 15:14:13 to the distance proportion between described lateral surface (24) successively.
7. fixing ring according to claim 6, is characterized in that, three described juts (22) top is followed successively by 45:20,21:10,39:20 to the height between described lateral surface (24) and described annular matrix (21) oneself height ratio.
8. a lamp outer casing, comprises the cylindrical shell (3) for holding lamp lighting assembly, and described housing is provided with opening on (3), and described opening part is provided with end cap (1); On described end cap (1) outer surface, be provided with seal groove (11), it is characterized in that, in described seal groove (11), be provided with the fixing ring (2) as described in any one in claim 1-7;
Described housing (3) inner surface compresses the jut (22) on described fixing ring (2), and top is arranged on the position near described housing (2) inner side to the lower jut (22) of distance between annular matrix (21) medial surface (23) of described fixing ring (2), top is arranged on the position near described opening to the higher jut (22) of the distance between described medial surface (23).
9. lamp outer casing according to claim 8, is characterized in that, is provided with the installation concave surface (31) of annular matrix (21) lateral surface (24) that compresses described fixing ring (2) on the inner surface of described opening.
10. a light fixture, is characterized in that, comprises lamp outer casing as claimed in claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110057750.9A CN102679297B (en) | 2011-03-10 | 2011-03-10 | Abnormal-shaped seal ring, lamp casing and lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110057750.9A CN102679297B (en) | 2011-03-10 | 2011-03-10 | Abnormal-shaped seal ring, lamp casing and lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102679297A CN102679297A (en) | 2012-09-19 |
| CN102679297B true CN102679297B (en) | 2014-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110057750.9A Expired - Fee Related CN102679297B (en) | 2011-03-10 | 2011-03-10 | Abnormal-shaped seal ring, lamp casing and lamp |
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| Country | Link |
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| CN (1) | CN102679297B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102913885A (en) * | 2012-10-29 | 2013-02-06 | 中山市恒辰光电科技有限公司 | Waterproof and dustproof sealing structure for illuminating lamp |
| JP6600992B2 (en) * | 2015-05-29 | 2019-11-06 | 岩崎電気株式会社 | lamp |
| CN106350965B (en) * | 2016-09-21 | 2018-11-02 | Tcl家用电器（合肥）有限公司 | Sealing strip, interior cartridge module and washing machine |
| CN207541385U (en) * | 2017-09-29 | 2018-06-26 | 深圳市大疆创新科技有限公司 | Sealing ring, camera module, the camera with sealing structure of camera |
| CN109668066A (en) * | 2019-02-18 | 2019-04-23 | 广东科而美光电有限公司 | A kind of lamps and lanterns convenient for assembling |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2084148U (en) * | 1990-10-20 | 1991-09-04 | 王熙春 | Lamp for lifesaving equipment |
| CN2929313Y (en) * | 2006-07-31 | 2007-08-01 | 上海思博特轴承技术研发有限公司 | Three lips type contact seal part for deep ditch ball bearing |
| CN201057165Y (en) * | 2007-06-29 | 2008-05-07 | 宜兴市宙斯泵业有限公司 | Internally mounted mechanical seal for slurry pump |
| CN101764385A (en) * | 2009-08-17 | 2010-06-30 | 海洋王照明科技股份有限公司 | Seal joint of armored cable |
| CN201555194U (en) * | 2009-09-21 | 2010-08-18 | 珠海杰莱特光电科技有限公司 | Waterproof connection structure for light tube in lamp |
-
2011
- 2011-03-10 CN CN201110057750.9A patent/CN102679297B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2084148U (en) * | 1990-10-20 | 1991-09-04 | 王熙春 | Lamp for lifesaving equipment |
| CN2929313Y (en) * | 2006-07-31 | 2007-08-01 | 上海思博特轴承技术研发有限公司 | Three lips type contact seal part for deep ditch ball bearing |
| CN201057165Y (en) * | 2007-06-29 | 2008-05-07 | 宜兴市宙斯泵业有限公司 | Internally mounted mechanical seal for slurry pump |
| CN101764385A (en) * | 2009-08-17 | 2010-06-30 | 海洋王照明科技股份有限公司 | Seal joint of armored cable |
| CN201555194U (en) * | 2009-09-21 | 2010-08-18 | 珠海杰莱特光电科技有限公司 | Waterproof connection structure for light tube in lamp |
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| CN102679297A (en) | 2012-09-19 |
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Granted publication date: 20140319 Termination date: 20190310 |