CN201803201U - Led lamp - Google Patents
Led lamp Download PDFInfo
- Publication number
- CN201803201U CN201803201U CN2010205595010U CN201020559501U CN201803201U CN 201803201 U CN201803201 U CN 201803201U CN 2010205595010 U CN2010205595010 U CN 2010205595010U CN 201020559501 U CN201020559501 U CN 201020559501U CN 201803201 U CN201803201 U CN 201803201U
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- China
- Prior art keywords
- cover sheet
- projection
- lamp body
- guide groove
- fin
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- 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.)
- Expired - Fee Related
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- 230000003044 adaptive effect Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 abstract 2
- 230000006378 damage Effects 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model provides an LED lamp, which comprises a lamp body. The lamp is provided with an open end; a plurality of mutually spaced fins are arranged on one side close to the open end of the lamp and are arrayed into a circular ring shape; one side of each fin close to the open end is provided with a notch facing one side of the axis of the lamp body; a plurality of notches enclose to form a mounting groove; a shield sheet is mounted in the mounting groove; the lamp body and the shield sheet enclose to form a cavity; a circuit board is mounted in the cavity; an LED chip is arranged on the circuit board; at least two of the fins are provided with guide grooves; each guide groove is positioned on one side, back to the open end, of the notch on the corresponding fin; at least two bumps positioned in the guide grooves are arranged on the peripheral wall of the shield sheet; and the peripheral length of each bump is smaller than the gap length of each two adjacent fins. The shield sheet of the LED lamp is mounted firmly and is not easy to fall down from the lamp body.
Description
Technical field
The utility model relates to a kind of LED light fixture, especially relates to a kind of LED light fixture with radiating fin.
Background technology
The LED light fixture has brightness height, advantage such as energy-conservation, is widely used in domestic lighting, office lighting, street lamp, decorative lamp etc. gradually.
The structure of existing a kind of LED light fixture as shown in Figure 1.The LED light fixture has a lamp body 60, lamp body 60 has an opening end, is provided with the fin 61 that multi-disc is used to dispel the heat near opening end one side, and multi-disc fin 61 be arranged in one circular, two adjacent fins 61 have the gap, are convenient to the inside and outside cross-ventilation of lamp body 60.
Be provided with a rectangular breach 62 at each fin 61 near lamp body 60 opening end places, each breach 62 is near the one side setting of lamp body axis, the breach 62 of all fins 61 surrounds the mounting groove of a circle, and the cover sheet of being made by transparent material 70 is installed in the mounting groove.
The perisporium 71 of cover sheet 70 is interference fit with the outer wall of breach 62, and therefore covering sheet 70 is to realize by the perisporium 71 of cover sheet 70 and the interference fit of mounting groove with being connected of lamp body 60.But, metal materials such as fin 61 common use aluminium are made, and its thermal coefficient of expansion is bigger, and cover sheet 70 uses the less materials such as glass of thermal coefficient of expansions to make usually, when led chip 74 was luminous, the thermal expansion that fin 61 expanded by heating change greater than cover sheet 70 changed.Because LED light fixture normally opening end is installed down, promptly cover sheet 70 towards the below, therefore when fin 61 expansion variations change greater than the expansion of covering sheet 70, become matched in clearance by interference fit between cover sheet 70 perisporiums 71 and the breach 62, causing covering sheet 70 comes off from mounting groove, cause the damage of cover sheet 70, even also can smash the object of LED light fixture below or injure the pedestrian of LED light fixture below by a crashing object, bring the injury of property loss or personal safety to the user.
Summary of the invention
Main purpose of the present utility model provides a kind of sheet that covers firm LED light fixture is installed.
Another purpose of the present utility model provides a kind of difficult LED light fixture that comes off from lamp body of sheet that covers.
For realizing above-mentioned main purpose, the LED light fixture that the utility model provides has lamp body, light fixture has an opening end, be provided with the fin that the multi-disc space is provided with near opening end one side, the multi-disc fin is arranged in circular, close opening end one side of each fin has a breach towards the setting of lamp body axis one side, a plurality of breach surround a mounting groove, one cover sheet is installed in the mounting groove, lamp body surrounds a cavity with the cover sheet, one circuit board is installed in the cavity, and circuit board is provided with led chip, wherein, at least two in the multi-disc fin are provided with guide groove, the breach that each guide groove is positioned at the place fin is opening end one side dorsad, and the perisporium of cover sheet is provided with at least two projections that are positioned at guide groove, and the circumferential lengths of each projection is less than the gap length of adjacent two fins.
By such scheme as seen, the perisporium of cover sheet is provided with projection, and the breach of fin below is provided with guide groove, and projection can be supported in the guide groove, is supported in the mounting groove thereby will cover sheet.Not interference fit owing to cover sheet with cooperating of fin,, can not cause covering sheet yet and come off that the installation of cover sheet is firm from mounting groove even the variation of expanding after fin is heated with the cover sheet is inequality.
A preferred scheme is, also is provided with at least one on the perisporium of cover sheet and ends spin-block, end spin-block and the height of the height of projection on the axial direction of described cover sheet greater than guide groove, and when only spin-block was connected to the sidewall of a slice fin, projection is positioned at a guide groove.
This shows, be provided with on the perisporium of cover sheet and end spin-block, can limit the anglec of rotation of cover sheet in mounting groove, also prevent to cover sheet rotation arbitrarily in mounting groove, the cover sheet anglec of rotation is excessive when avoiding the LED light fixture to rock, and comes off from lamp body thereby avoid covering sheet.
Further scheme is, the quantity of ending spin-block equates with the quantity of projection, and each ends spin-block and a projection adjacency, and only spin-block and projection are covering the gap length of sheet circumferential lengths sum less than adjacent two fins.
This shows, with end spin-block be arranged on projection near, can the sliding distance of limited restriction projection in guide groove, thus the anglec of rotation of restriction cover sheet in mounting groove and then prevents to cover sheet and comes off from mounting groove.
Further scheme is again, and the quantity of projection is more than three or three, and a plurality of projections were upwards evenly arranged in cover sheet week.Like this, it is stressed even in mounting groove to guarantee to cover sheet, is difficult for coming off from mounting groove, and it is more firm to install.
Description of drawings
Fig. 1 is the STRUCTURE DECOMPOSITION figure of existing LED light fixture.
Fig. 2 is the structure chart of the utility model first embodiment.
Fig. 3 is the STRUCTURE DECOMPOSITION figure of the utility model first embodiment.
Fig. 4 is the structure enlarged drawing of cover sheet among the utility model first embodiment.
Fig. 5 is the broken section enlarged drawing of the utility model first embodiment.
Fig. 6 is the structure chart of the utility model second embodiment.
Fig. 7 is the STRUCTURE DECOMPOSITION figure of the utility model second embodiment.
Fig. 8 is the partial enlarged drawing of lamp body among the utility model second embodiment.
Fig. 9 is the structure enlarged drawing of cover sheet among the utility model second embodiment.
Figure 10 is the partial enlarged drawing at the utility model second another visual angle of embodiment.
Figure 11 is the broken section enlarged drawing of the utility model second embodiment.
The utility model is described in further detail below in conjunction with drawings and Examples.
The specific embodiment
First embodiment.
Referring to Fig. 2 and Fig. 3, present embodiment has a lamp body 10, and lamp body 10 has an opening end, is provided with multi-disc fin 11 near opening end one side, and multi-disc fin 11 be arranged in one circular, two adjacent fins 11 have the gap.
Be provided with a breach 12 at each fin 11 near lamp body 10 opening end places, each breach 12 is near the one side setting of lamp body axis, and the breach 12 of all fins 11 surrounds the mounting groove of a circle, and cover sheet 20 is installed in the mounting groove.
In the present embodiment, one side of each breach 12 is equipped with a guide groove 15 with breach 12 adjacency, guide groove 15 is from breach 12 1 side direction fins 11 directions depressions, so guide groove 15 is located on the direction away from lamp body 10 axis, and the depression direction of guide groove 15 is opening ends of lamp body 10 dorsad.As seen from Figure 3, each guide groove 15 all has an inclined-plane 13 that becomes certain angle of inclination with lamp body 10 axis, so the inwall of guide groove 15 is not parallel to the axis of lamp body 10.
Referring to Fig. 4, the perisporium 21 of cover sheet 20 is provided with eight projections 22, and is provided with eight and ends spin-blocks 23, each end spin-block all with projection 22 adjacency.Eight projections 22 evenly arrange outside cover sheet 20 perisporiums of circle, and the outer wall of projection 22 is an inclined-plane 24, and inclined-plane 24 and the axis of cover sheet 20 form the angle of an inclination, and the angle of this angle equates with 13 angles of inclination, breach 12 inclined-planes.
In the present embodiment, projection 22 with end the length of spin-block 23 circumferential lengths sums less than adjacent two fin 11 gaps so that projection 22 can skid off from the gap between adjacent two fins 11 with spin-block 23 only.In addition, the radial outer end that ends spin-block 23 arrives the distance in cover sheet 20 centers of circle greater than the radius of mounting groove bottom to lamp body 10 axis.
Because the outer wall 21 of cover sheet 20 does not slip in the guide groove 15, therefore covers sheet 20 and can rotate in mounting groove.As shown in Figure 5, the projection 22 and guide groove 15 interference fit of cover sheet 20, after promptly covering sheet 20 and being installed to mounting groove and rotating to an angle, the inclined-plane 24 of projection 22 docks with inclined-plane 13, end spin-block 23 this moment and will be connected on the sidewall of fin 11, cover sheet 20 can't continue rotation.Simultaneously, rely on the interference fit of projection 22 and guide groove 15, cover sheet 20 is fixedly mounted on the opening end of lamp body 10.
This shows, because the guide groove 15 opening end setting dorsad of lamp body 10, guide groove 15 is the projection 22 on the support cover sheet 20 effectively, even the expansion that lamp body 10 expanded by heating change greater than cover sheet 20 changes, can not cause covering sheet 20 yet and come off, the injury with personal safety of avoiding causing any property loss from lamp body 10.
In addition, present embodiment cover sheet 20 can with hold out against lamp socket 26, make to be connected closelyr between lamp socket 26 and the fin 11, the heat that led chip is distributed is delivered on the fin 11 better, strengthens the heat sinking function of fin 11.
Second embodiment.
Referring to Fig. 6 and Fig. 7, present embodiment has lamp body 30, and lamp body 30 has an opening end, is provided with multi-disc near opening end and is arranged in circular fin 31.A slice cover sheet 50 is installed on the opening end of lamp body 30, and cover sheet 50 is made by transparent materials such as glass.Lamp body 30 surrounds a cavity 32 with cover sheet 50, and a circuit board 47 is installed in the cavity 32, and circuit board 47 is provided with five led chips 48.After the energising of LED light fixture, led chip 48 stimulated luminescences, the light that sends pass cover sheet 50 and penetrate.
Referring to Fig. 8, the upper end of each fin 31 is provided with a breach 33, and each breach 33 all is arranged near lamp body 30 axis one side, and institute jagged 33 surrounds a mounting groove, and cover sheet 50 can be installed in the mounting groove.Be equipped with a guide groove 34 on each fin 31 of present embodiment, guide groove 34 is positioned at the lower end of breach 33, and promptly a side of opening end dorsad is provided with the projection 35 that extends to lamp body 30 axis directions above guide groove 34.
Since all fins 31 surround one circular, so all guide grooves 34 also are the guide rails that surrounds a circle.
Referring to Fig. 9, cover sheet 50 is cylindrical substantially, and its perisporium 51 is provided with eight projections 52, and each projection 52 is located axially at the lower end of perisporium 51 at cover sheet 50.Above each projection 52, be provided with one and end spin-block 53, end spin-block 53 and projection 52 adjacency, and only spin-block 53, projection 52 are integrated with cover sheet 50.
In the present embodiment, projection 52 with end spin-block 53 and equal to cover the thickness of sheet 50 in cover sheet 50 axial height sums, and the thickness and the deep equality of mounting groove of cover sheet 50, promptly projection 52 with end spin-block 53 and equal the degree of depth of mounting groove covering sheet 50 axial height sums.Because mounting groove surrounds by breach 33, so the degree of depth of the mounting groove degree of depth of breach 33 just.And the height that ends spin-block 53 is slightly larger than the height of projection 52.
In addition, projection 52 the height of cover sheet 50 on axially be slightly less than each guide groove 34 at the height of cover sheet 50 on axially, so that projection 52 can slip in the guide groove 34, by the cooperate installation that realize cover sheet 50 of projection 52 with guide groove 34.Because the height of guide groove 34 is less than the degree of depth of mounting groove, thus projection 52 with end spin-block 53 in the degree of depth of cover sheet 50 axial height sums greater than mounting groove.
Referring to Figure 10 and Figure 11, when cover sheet 50 was installed to mounting groove, each projection 52 all was positioned at a guide groove 34, projection 52 and guide groove matched in clearance.And, end spin-block 53 radial outer ends arrive the lamp body axis greater than the mounting groove bottom to the distance in cover sheet 50 centers of circle radius, therefore end spin-block 53 and can't slip in the guide groove 34, and only spin-block 53 is connected on the sidewall of fin 31, thus the anglec of rotation of restriction cover sheet 50 in mounting groove.
From Figure 10 as seen, when only spin-block 53 was connected to the sidewall of a slice fin 31, projection 52 just was positioned at guide groove 34.In addition, projection 52 and end the circumferential length of spin-block 53 less than the gap length between adjacent two fins 31 so as projection 52 and end spin-block 53 can be from the gap between adjacent two fins 31 from skidding off, to realize the installation of cover sheet 50.
Because projection 52 can slip in the guide groove 34, after cover sheet 50 is installed to mounting groove, can realize the fixing of cover sheet 50 by projection 52 and cooperating of guide groove 34.When the LED light fixture uses, cover sheet 50 is provided with down, and each projection 52 will be supported on the projection 35 on the fin 31 this moment, and the back variation of expanding is inconsistent even fin 31 and cover sheet 50 are heated, can not cause covering coming off of sheet 50 yet, avoid personal safety is damaged and property loss.
As seen, present embodiment lamp body 30 is to cooperate by the groove falcon to realize being connected and installed between the sheet 50 with cover, rather than uses interference fit to realize connecting, thus lamp body 30 with cover between the sheet 50 cooperate more firm.
Certainly, the foregoing description only is the preferable embodiment of the utility model, during practical application more variation can also be arranged, for example, only spin-block is not arranged on the top of projection, and be arranged on the left side or the right side of projection, end this moment spin-block make progress the length sum with projection in cover sheet week should be less than the length in adjacent two fin gaps; Perhaps, end spin-block not with the projection adjacency, but be arranged on independently on the perisporium of cover sheet, the quantity of ending spin-block this moment only need be provided with one and get final product, and end spin-block cover the length that makes progress in sheet week need be less than the length in adjacent two fin gaps; Or, the shape of guide groove is changed to dovetail groove or U type groove or V-type groove etc. from rectangular channel, and the formation of the shape of projection and guide groove being complementary, these changes can realize the purpose of this utility model equally.
It is emphasized that at last the utility model is not limited to above-mentioned embodiment, also should be included in the protection domain of the utility model claim as the variations such as change of change, breach and the mounting groove shape of fin shapes and quantity.
Claims (8)
1.LED light fixture comprises
Lamp body, has an opening end, be provided with the fin that the multi-disc space is provided with near described opening end one side, the described fin of multi-disc is arranged in ring-type, close described opening end one side of each described fin has a breach towards described lamp body axis one side setting, a plurality of described breach surround a mounting groove, and a cover sheet is installed in the described mounting groove;
Described lamp body and described cover sheet surround a cavity, and a circuit board is installed in the described cavity, and described circuit board is provided with led chip;
It is characterized in that:
At least two in the described fin of multi-disc are provided with guide groove, and each described guide groove is positioned at described dorsad opening end one side of described breach of place fin;
The perisporium of described cover sheet is provided with at least two projections that are positioned at described guide groove, and the circumferential lengths of each described projection is less than the gap length of adjacent two described fins.
2. LED light fixture according to claim 1 is characterized in that:
Each described fin is equipped with described guide groove.
3. LED light fixture according to claim 1 and 2 is characterized in that:
Described guide groove and described breach adjacency, and be positioned at the side of described breach away from described lamp body axis;
Described projection has one and forms the inclined-plane at inclination angle with described lamp body axis.
4. LED light fixture according to claim 1 and 2 is characterized in that:
Also be provided with at least one on the perisporium of described cover sheet and end spin-block, described spin-block and the height of the height of described projection on the axial direction of described cover sheet of ending greater than described guide groove, described only when spin-block is connected to fin sidewall, described projection is positioned at described guide groove.
5. LED light fixture according to claim 4 is characterized in that:
The described radial outer end that ends spin-block arrives the radius of described lamp body axis greater than described mounting groove bottom to the distance in the described cover sheet center of circle.
6. LED light fixture according to claim 4 is characterized in that:
Described quantity of ending spin-block equates with the quantity of described projection, and each described spin-block and described projection adjacency of ending;
Described only spin-block and described projection are in the gap length of length sum less than adjacent two described fins that make progress in described cover sheet week.
7. LED light fixture according to claim 1 and 2 is characterized in that:
The quantity of described projection is more than three or three, and described projection was upwards evenly arranged in described cover sheet week.
8. LED light fixture according to claim 1 and 2 is characterized in that:
Described guide groove is rectangular channel or dovetail groove or U type groove or V-type groove;
The shape of described projection and the shape of described guide groove are adaptive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205595010U CN201803201U (en) | 2010-10-13 | 2010-10-13 | Led lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205595010U CN201803201U (en) | 2010-10-13 | 2010-10-13 | Led lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201803201U true CN201803201U (en) | 2011-04-20 |
Family
ID=43872699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205595010U Expired - Fee Related CN201803201U (en) | 2010-10-13 | 2010-10-13 | Led lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201803201U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207340A (en) * | 2018-11-22 | 2020-05-29 | 珠海华球照明有限公司 | a street lamp |
-
2010
- 2010-10-13 CN CN2010205595010U patent/CN201803201U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207340A (en) * | 2018-11-22 | 2020-05-29 | 珠海华球照明有限公司 | a street lamp |
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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: 20110420 Termination date: 20141013 |
|
| EXPY | Termination of patent right or utility model |