CN102042408B - Hollow seal and lamp - Google Patents
Hollow seal and lamp Download PDFInfo
- Publication number
- CN102042408B CN102042408B CN 200910110582 CN200910110582A CN102042408B CN 102042408 B CN102042408 B CN 102042408B CN 200910110582 CN200910110582 CN 200910110582 CN 200910110582 A CN200910110582 A CN 200910110582A CN 102042408 B CN102042408 B CN 102042408B
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- sealing element
- hollow sealing
- endoporus
- present
- hollow seal
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Abstract
The present invention relates to a hollow seal and lamp. The hollow seal (10) comprises an elliptic inner hole (14); an elliptic long shaft (Y) of the inner hole (14) is arranged along compression directions (51, 52) of the hollow seal. An outer surface at a top part (12) of the hollow seal is an arc surface. A middle part (16) of the hollow seal is provided with a back-off part for fixing the hollow seal. The width of a bottom (18) of the hollow seal is gradually reduced downwardly along the elliptic long shaft (Y) of the inner hole. The hollow seal and lamp of the present invention can avoid the sealing failure slowly caused by that air in the inner hole of the hollow seal can not be discharged or the air is rebounded after being impacted; the reliability of seal is improved.
Description
Technical field
The present invention relates to hollow sealing element.In addition, the invention still further relates to the light fixture with hollow sealing element.
Background technique
At present, in the exploitation of new product, for saving cost, reduce weight or for meeting client's appearance design requirement, usually designing product shell thinner.The easy like this housing that causes is out of shape under the reaction force of Sealing.This phenomenon shows especially obviously at the housing of plastic cement, and therefore causes seal failure.For solving problems, adopt hollow sealing element more.In addition, the product that housing is thinner also often adopts hollow sealing element to seal.
Yet hollow sealing element has following two shortcomings: 1. the air of the endoporus inside of hollow sealing element can't in time be discharged when product was installed, but temporal evolution can slowly discharge again, reduced gradually and caused seal failure thereby cause sealing contact force; 2. Sealing is hit rear bounce-back slowly and causes seal failure, and namely when Sealing rebound, its internal cavities forms negative pressure prevention and rebounds; but along with air slowly is inhaled into; negative pressure fades away, and this bounce-back is until internal cavities is filled air-resilient fully just stops, and its process is usually very slow.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of hollow sealing element, and it can be avoided because of the seal failure that rear bounce-back slowly causes of can't discharging or be hit of the air of the endoporus inside of hollow sealing element.
The present invention solves the problems of the technologies described above the technological scheme that adopts and is: construct a kind of hollow sealing element, it has oval-shaped endoporus, and the transverse of endoporus is arranged along the pressurized direction of hollow sealing element; The outer surface of cupular part of hollow sealing element is arc surface; The bottom width of hollow sealing element reduces downwards gradually along the transverse of endoporus; The middle part of hollow sealing element has the back-off section for the fixation hollow Sealing.
In hollow sealing element of the present invention, hollow sealing element is annular, square or bar shaped.
In hollow sealing element of the present invention, hollow sealing element is rubber parts.
In hollow sealing element of the present invention, back-off section has respectively flange in the both sides of hollow sealing element.
In hollow sealing element of the present invention, the inside of hollow sealing element has a cavity that is communicated with, and the cross section of this cavity is oval.
The present invention also provides a kind of light fixture, comprises housing and lid, wherein, is provided with above-mentioned hollow sealing element between housing and the lid.Preferably, housing is provided with the groove of putting hollow sealing element in the side towards lid, and groove matches with the bottom of hollow sealing element.
Adopt hollow sealing element of the present invention or light fixture can obtain following beneficial effect.
1. hollow sealing element of the present invention has oval-shaped endoporus, and the transverse of endoporus arranges along the pressurized direction of hollow sealing element, therefore, at this hollow sealing element in pressurized process, although variation has occured the shape of endoporus, the area of endoporus is substantially constant.In other words, the air of the endoporus inside of hollow sealing element there is no the effect that is under pressure, can be not compressed and be expelled to the hollow sealing element outside.In like manner, the air of endoporus inside does not exert an influence basically to elastic force and the bounce-back speed of hollow sealing element.In addition, the outer surface at the top of hollow sealing element of the present invention is arc surface, can promote the close contact performance behind the hollow sealing element pressurized, thereby improves sealing reliability., the middle part of hollow sealing element of the present invention has the back-off section for the fixation hollow Sealing, fixation hollow Sealing well, thus improve sealing reliability.Moreover the width of the bottom of hollow sealing element of the present invention reduces downwards gradually along the transverse of endoporus, thus can easily put hollow sealing element, thus convenient operation.
2. hollow sealing element of the present invention can be used as O-ring seal, square seal ring and Stamping Steel Ribbon, thereby can be widely used for various seal arrangements for for annular, square or bar shaped.
3. hollow sealing element of the present invention is cheap rubber parts, can reduce cost, and is convenient to make.
4. in the hollow sealing element of the present invention, back-off section has respectively flange in the both sides of hollow sealing element, and this flange is the fixation hollow Sealing well, thereby improves sealing reliability.
5. the inside of hollow sealing element of the present invention has a cavity that is communicated with, and the cross section of this cavity is oval.In other words, this hollow sealing element can have a close-shaped Sealing for various.Thereby can more be widely used for various seal arrangements.
Description of drawings
Describe the present invention below in conjunction with the accompanying drawings and the specific embodiments, in the accompanying drawing:
Fig. 1 is the cross-sectional view as the hollow sealing element of the preferred embodiments of the present invention;
Fig. 2 is the first pressurized process figure for the pressurized process that hollow sealing element of the present invention is described, the state before its expression hollow sealing element pressurized;
Fig. 3 is for being used for schematically illustrating the second pressurized process figure of the pressurized process of hollow sealing element of the present invention, the state of its expression hollow sealing element in pressurized process;
Fig. 4 is for being used for schematically illustrating the 3rd pressurized process figure of the pressurized process of hollow sealing element of the present invention, the state behind its expression hollow sealing element pressurized;
Fig. 5 schematically illustrates a kind of the contrast with the state before the pressurized of hollow sealing element for being used for, and this contrast is used for comparative illustration advantage of the present invention with hollow sealing element;
Fig. 6 schematically illustrates a kind of the contrast with the state behind the pressurized of hollow sealing element for being used for;
Fig. 7 is the partial cross section view as the light fixture of the preferred embodiments of the present invention, and this light fixture has adopted hollow sealing element provided by the invention.
Description of reference numerals
10 hollow sealing elements
12 tops
14 endoporus
16 middle parts
18 bottoms
The X ellipse short shaft
The Y transverse
51,52 pressurized directions
20 housings
30 lids
40 bolt assemblies
41 bolts
42 first pads
43 second pads
44 the 3rd pads
45 nuts
10a contrast hollow sealing element
14a contrast endoporus
Embodiment
In order to make purpose of the present invention, technological scheme and advantage clearer, below in conjunction with drawings and the specific embodiments, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not for limiting the present invention.
As shown in Figure 1, the hollow sealing element 10 of present embodiment comprises top 12, endoporus 14, middle part 16 and bottom 18.This hollow sealing element 10 can be O-ring seal, also can be square seal ring or strip seal ring, can also be pad.In addition, in another specific embodiment of the present invention, the inside of hollow sealing element of the present invention has a cavity that is communicated with, and the cross section of this cavity is oval.In other words, this hollow sealing element is to have close-shaped Sealing.Have close-shaped Sealing and common are O-ring seal, square seal ring etc.In addition, the material of hollow sealing element 10 is not subjected to concrete restriction, and it is preferably cheap rubber parts, but also can be the Sealing of being made by teflon.
Can be with finding out from Fig. 1, the endoporus 14 of hollow sealing element 10 is oval (referring to the shape that shape of cross section namely intercepts along the central axis perpendicular to endoporus 14).And, pressurized direction 51,52 parallel aligned of the direction at this transverse Y place (being the short transverse of hollow sealing element 10) and hollow sealing element 10, in other words, the transverse Y of endoporus 14 arranges along the pressurized direction 51,52 of hollow sealing element 10.Should be known in that transverse refers to by connecting two obtainable nose sections of point on the ellipse.Preferably, the length of transverse Y is 1.2 times to 1.5 times of length of ellipse short shaft X.So, in pressurized process, although variation has occured the shape of endoporus 14, the area of the cross section of the endoporus 14 behind the compressive deformation is substantially constant at this hollow sealing element 10.That is the air of endoporus 14 inside of hollow sealing element 10 there is no the effect that is under pressure, can be not compressed and be expelled to hollow sealing element 10 outsides.In like manner, the air of endoporus 14 inside does not exert an influence basically to elastic force and the bounce-back speed of hollow sealing element 10.
As shown in Figure 1, the outer surface at the top 12 of the hollow sealing element 10 of present embodiment is arc surface (only shown in Figure 1), like this, can improve hollow sealing element 10 close contact performances, thereby improves sealing reliability.
In addition, the middle part 16 of the hollow sealing element 10 of present embodiment has back-off section.This back-off section has respectively flange in the both sides of hollow sealing element 10.After the bottom 18 of hollow sealing element 10 embedded groove set on the housing 20 described later, this outwardly flange can tighten well hollow sealing element 10 and make it be difficult to move, thereby improved sealing reliability.Certainly, the chucking between back-off section and the groove can adopt various fit forms, and for example convex-concave cooperates and hook cooperates.
In addition, the width of the bottom 18 of the hollow sealing element 10 of present embodiment (along the width of ellipse short shaft X) reduces gradually along (namely along pressurized direction 51) under the transverse Y-direction of endoporus 14.It should be noted that the alleged above-below direction of this paper represents the direction at transverse Y place of the endoporus 14 of hollow sealing element 10.Preferably, the width of bottom 18 reduces linearly along pressurized direction 51.Like this, just can easily put hollow sealing element 10, thus convenient operation.
Shown in Fig. 2 to 4, show respectively hollow sealing element 10 pressurizeds before, the sectional shape figure in the pressurized process and behind the pressurized.Obviously, although reference character 20 and reference character 30 represent respectively housing and lid in Fig. 7, reference character 20 and reference character 30 also can represent other suitable component of adopting hollow sealing element 10 to seal.Can find out visually that from these figure hollow sealing element 10 is in pressurized process, although the change in shape of endoporus 14, the area of endoporus 14 is substantially constant.The air of endoporus 14 inside of hollow sealing element 10 there is no the effect that is under pressure, can be not compressed and be expelled to hollow sealing element 10 outsides.In like manner, the air of endoporus 14 inside does not exert an influence basically to elastic force and the bounce-back speed of hollow sealing element 10.
Fig. 5 to 6 has shown a kind of the contrast with the sectional shape figure before and after the hollow sealing element 10a pressurized.Can find out that this contrast also is oval with endoporus 14a, but its transverse is just mutually vertical with its pressurized direction, almost is reduced to zero thereby cause contrasting the area that contrasts with 14a with endoporus behind the hollow sealing element 10a pressurized.Obviously, the contrast of such hollow sealing element 10a is very slow with the rear bounce-back meeting of can't discharging and be hit of the air of endoporus 14a inside, causes easily seal failure.
Fig. 7 is for specifically being applied to hollow sealing element 10 of the present invention figure on the light fixture.Wherein, hollow sealing element 10 is arranged between housing 20 and the lid 30.Lid 30 can be the protecgulum of light fixture, also can be the bonnet of light fixture.Housing 20 is provided with the groove of putting hollow sealing element 10 in the side towards lid 30.Groove matches with the bottom 18 of hollow sealing element 10.Certainly, groove also can be arranged on the lid 30.In addition, although do not illustrate, be provided with the structure for the back-off section at the middle part 16 of buckle hollow sealing element 10 in the groove.Like this, after the inside grooves of bottom 18 being put into housing 2 settings, hollow sealing element 10 is just tightened securely and is located.In addition, because the outer surface at the top 12 of hollow sealing element 10 is arc surface, thus can more closely contact with lid 30 by hollow sealing element 10 behind bolt assembly 40 pretensions, thus the reliability of sealing improved.
As shown in Figure 7, in this enforcement, bolt assembly 40 comprises bolt 41, the first pad 42, the second pad 43, the 3rd pad 44 and nut 45.The first pad 42 and the second pad 43 are arranged between the outer upper surface of bolt 41 heads and housing 20, and the second pad 43 and the 3rd pad 44 are arranged between the upper surface of the outside lower surface of lid 30 and nut 45.Bolt 41 screws by nut 45 after passing successively from top to bottom the first pad 42, the second pad 43, housing 20, lid 30 and the 3rd pad 44, makes its pressurized thereby hollow sealing element 10 is carried out pretension, realizes the sealing between housing 20 and the lid 30.Although adopted several bolt assemblies 40 to carry out pretension and fastening in the present embodiment, and three pads have been used, but the invention is not restricted to this, also can adopt other suitable mode, the mode that for example adopts screw to connect, sell connection, riveted joint, snapping is carried out pretension and fastening, and can adopt the pad of other quantity.
Although this paper has described many embodiments, but what one skilled in the art should appreciate that is, can in the situation that does not break away from the spirit that is defined by the following claims and scope thereof, make other modification or change, for example hollow sealing element of the present invention not only can be used for light fixture, also can be used for the sealing in the fields such as automobile, boats and ships, locomotive, pipeline.
Claims (7)
1. a hollow sealing element is characterized in that, described hollow sealing element has oval-shaped endoporus, and the transverse of described endoporus arranges that along the pressurized direction of described hollow sealing element the length of described transverse is 1.2-1.5 times of ellipse short shaft length; The outer surface of cupular part of described hollow sealing element is arc surface; The bottom width of described hollow sealing element reduces downwards gradually along the transverse of described endoporus; The middle part of described hollow sealing element has the back-off section for fixing described hollow sealing element.
2. hollow sealing element according to claim 1 is characterized in that, described hollow sealing element is annular, square or bar shaped.
3. hollow sealing element according to claim 1 is characterized in that, described hollow sealing element is rubber parts.
4. hollow sealing element according to claim 1 is characterized in that, described back-off section has respectively flange in the both sides of described hollow sealing element.
5. hollow sealing element according to claim 1 is characterized in that, described endoporus has a cavity that is communicated with, and the cross section of this cavity is oval.
6. a light fixture comprises housing and lid, it is characterized in that, is provided with each described hollow sealing element in the claim 1 to 5 between described housing and the described lid.
7. light fixture according to claim 6 is characterized in that, described housing is provided with the groove of putting described hollow sealing element in the side towards described lid, and described groove matches with the bottom of described hollow sealing element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910110582 CN102042408B (en) | 2009-10-23 | 2009-10-23 | Hollow seal and lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910110582 CN102042408B (en) | 2009-10-23 | 2009-10-23 | Hollow seal and lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102042408A CN102042408A (en) | 2011-05-04 |
| CN102042408B true CN102042408B (en) | 2013-04-17 |
Family
ID=43908817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910110582 Expired - Fee Related CN102042408B (en) | 2009-10-23 | 2009-10-23 | Hollow seal and lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102042408B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185303B (en) * | 2011-12-27 | 2015-09-16 | 海洋王照明科技股份有限公司 | A kind of fixed structure of light fixture seal and lamp casing and light fixture |
| CN104214750A (en) * | 2013-05-29 | 2014-12-17 | 深圳市海洋王照明工程有限公司 | Waterproof lamp |
| CN104214752A (en) * | 2013-05-31 | 2014-12-17 | 深圳市海洋王照明工程有限公司 | Waterproof lamp |
| CN103672824A (en) * | 2013-11-30 | 2014-03-26 | 四川格兰德科技有限公司 | Sealing piece of LED lamp |
| CN110848388A (en) * | 2019-11-15 | 2020-02-28 | 华域视觉科技(上海)有限公司 | Sealing strip |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2174155A (en) * | 1985-04-13 | 1986-10-29 | Kenyon And Sons Limited Willia | Seal |
| EP0211743A1 (en) * | 1985-07-24 | 1987-02-25 | Hutchinson | Cold-deformable sealing joint |
| JPH0180871U (en) * | 1987-11-20 | 1989-05-30 | ||
| WO2004099509A1 (en) * | 2003-05-06 | 2004-11-18 | Aqua Barrier International Limited | Liquid barrier assembly and connector therefor |
| CN200971967Y (en) * | 2006-03-29 | 2007-11-07 | 上海中荷环保有限公司 | Inserted rubber sealing device |
| JP2009014038A (en) * | 2007-07-02 | 2009-01-22 | Sga Co Ltd | Seal member for pressure vessel, pressure vessel using it, and oxygen bath machine |
| CN101545613A (en) * | 2008-03-26 | 2009-09-30 | 深圳市海洋王照明科技股份有限公司 | Lamp box and lamp using same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11141769A (en) * | 1997-11-10 | 1999-05-28 | Mitsubishi Plastics Ind Ltd | Seal packing |
| JP2007120745A (en) * | 2005-09-29 | 2007-05-17 | Toyoda Gosei Co Ltd | Gasket |
-
2009
- 2009-10-23 CN CN 200910110582 patent/CN102042408B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2174155A (en) * | 1985-04-13 | 1986-10-29 | Kenyon And Sons Limited Willia | Seal |
| EP0211743A1 (en) * | 1985-07-24 | 1987-02-25 | Hutchinson | Cold-deformable sealing joint |
| JPH0180871U (en) * | 1987-11-20 | 1989-05-30 | ||
| WO2004099509A1 (en) * | 2003-05-06 | 2004-11-18 | Aqua Barrier International Limited | Liquid barrier assembly and connector therefor |
| CN200971967Y (en) * | 2006-03-29 | 2007-11-07 | 上海中荷环保有限公司 | Inserted rubber sealing device |
| JP2009014038A (en) * | 2007-07-02 | 2009-01-22 | Sga Co Ltd | Seal member for pressure vessel, pressure vessel using it, and oxygen bath machine |
| CN101545613A (en) * | 2008-03-26 | 2009-09-30 | 深圳市海洋王照明科技股份有限公司 | Lamp box and lamp using same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102042408A (en) | 2011-05-04 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| 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: 20130417 Termination date: 20191023 |
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| CF01 | Termination of patent right due to non-payment of annual fee |