CN109611704B - Ball bubble - Google Patents
Ball bubble Download PDFInfo
- Publication number
- CN109611704B CN109611704B CN201811506851.8A CN201811506851A CN109611704B CN 109611704 B CN109611704 B CN 109611704B CN 201811506851 A CN201811506851 A CN 201811506851A CN 109611704 B CN109611704 B CN 109611704B
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- China
- Prior art keywords
- clamping
- ring
- connecting ring
- clamping groove
- base
- Prior art date
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- 239000000758 substrate Substances 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 4
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000007639 printing Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 4
- 238000005286 illumination Methods 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
- F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
- F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/104—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening using feather joints, e.g. tongues and grooves, with or without friction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention provides a ball bubble which comprises a connecting ring, wherein a plurality of first clamping grooves with closed wall surfaces and a plurality of second clamping grooves with non-closed wall surfaces are arranged along the circumferential direction of the connecting ring. The light-transmitting cover is accommodated in the connecting ring and is inserted into the first clamping groove so as to be fixed on the connecting ring. The upper end of the radiator is clamped with the second clamping groove so as to fix the radiator on the connecting ring. The base is clamped with the lower end of the radiator so as to fix the radiator on the base. On the one hand, any screw or other connection mode is not needed in the assembly process, so that rapid assembly can be realized, and the assembly efficiency of the bulb is improved; on the other hand, the joint is flexonics, makes printing opacity cover, go-between, radiator and base be difficult for appearing rocking and drop each other for heavier weight, printing opacity cover, go-between, radiator and base, has reduced the probability that the part damaged, prolongs the life of bulb.
Description
Technical Field
The invention relates to the technical field of lamps, in particular to a bulb.
Background
The LED bulb is a novel energy-saving lamp which replaces the traditional incandescent bulb. The traditional incandescent lamp (tungsten filament lamp) has high energy consumption and short service life, and is forbidden to be produced by various governments under the large environment with shortage of global resources, and then the replacement product is an electronic energy-saving lamp, which improves the energy-saving effect, but is contrary to the large trend of environmental protection due to the use of a plurality of heavy metal elements polluting the environment. With the rapid development of LED technology, LED illumination is becoming an alternative to new green illumination. The LED is far superior to the traditional illumination products in the aspects of luminous principle, energy conservation and environmental protection.
The existing bulb generally comprises a base, a radiator, a connecting ring and a light-transmitting cover, wherein the assembly is usually connected through mutual threads among parts, and the mutual assembly is realized through a knob among the parts in the assembly process, so that the assembly efficiency of the bulb is lower, and the production efficiency of the bulb is reduced; meanwhile, because the parts are connected through the screw teeth, the phenomenon of sliding teeth is easy to occur, so that the bulb cannot be assembled, related parts are required to be replaced or the bulb is required to be replaced integrally, the damage probability of the parts is improved, the service life of the bulb lamp is shortened, and the use requirements of people cannot be met by the existing bulb.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect of lower assembly efficiency between parts of the bulb in the prior art, thereby providing the bulb.
In order to solve the technical problems, the invention provides a bulb, which comprises a connecting ring, wherein a plurality of first clamping grooves with closed wall surfaces and a plurality of second clamping grooves with non-closed wall surfaces are arranged along the circumferential direction of the connecting ring;
the light-transmitting cover is accommodated in the connecting ring and is inserted into the first clamping groove so as to be fixed on the connecting ring;
the upper end of the radiator is clamped with the second clamping groove so as to fix the radiator to the connecting ring;
and the base is clamped with the lower end of the radiator so as to fix the radiator on the base.
Optionally, the connecting ring comprises a first connecting ring vertically upwards and a second connecting ring extending from the inner wall of the first connecting ring to the center of the first connecting ring, and the first clamping groove penetrates through the second connecting ring;
the light-transmitting cover is provided with a plurality of locating pieces along the circumference of the light-transmitting cover towards one end of the connecting ring, the lower end of the locating piece is provided with a clamping foot, the locating piece is inserted into the first clamping groove, and the clamping foot is clamped on the lower end face of the second connecting ring.
Optionally, the radiator includes being located the solid fixed ring of top of base and encircle and be connected a plurality of fin of gu fixed ring's circumference, gu fixed ring is provided with a plurality of simultaneously to connect two adjacent limit part of fin along circumference, in order to fix the solid fixed ring in the fin.
Optionally, the heat sink is provided with a through hole, and the limiting part is in interference fit with the through hole.
Optionally, the limiting portion is provided with tapered portions extending towards two sides, and each tapered portion is connected with one cooling fin respectively.
Optionally, the fixing ring comprises a horizontal ring which is horizontally arranged and a vertical ring which is formed by extending along the inner side wall of the horizontal ring to the vertical direction, and the limiting part is arranged on the vertical ring;
the lower part of the through hole is provided with a third clamping groove extending downwards, the third clamping groove is provided with a second opening, and the third clamping groove of the radiating fin is inserted on the vertical ring through the second opening.
Optionally, the horizontal ring is provided with a plurality of fourth clamping grooves along the circumferential direction thereof, and the fourth clamping grooves are provided with third openings penetrating through the edge of the horizontal ring;
the lower end of the radiating fin is provided with a step part in a molding mode, the part corresponding to the fourth clamping groove is provided with a step part, at least one part of the horizontal ring supports the horizontal section of the step part, and the fourth clamping groove is inserted into the vertical section of the step part through the third opening.
Optionally, the lower end of the heat sink further includes a first clamping portion and a second clamping portion, a fifth clamping groove with a fourth opening is formed between the first clamping portion and the second clamping portion, and the second clamping portion extends towards the direction of the fifth clamping groove to form a clamping hook;
the upper section of base forms and has open-ended accommodation chamber, accommodation intracavity interval is fixed with a plurality of fixture blocks, the fixture block is followed the length direction of fixture block is equipped with the sixth draw-in groove that has closed wall, the fifth draw-in groove passes through the fourth opening joint is in on the fixture block, just the trip joint is in the sixth draw-in groove.
Optionally, the fixture block includes a first riser, and the sixth clamping groove is disposed on the first riser.
Optionally, the fixture block further includes a second riser connected in parallel with the first riser, the second riser is close to the fin setting, just the second riser is lower than the first riser, second riser upper end is used for the bearing the fin.
Optionally, the second clamping part is provided with a seventh clamping groove penetrating through the second clamping part, and the seventh clamping groove is provided with a fifth opening which is downwards arranged;
the inner edge of the accommodating cavity is provided with a vertical positioning ring which is positioned at the periphery of a plurality of clamping blocks, the positioning ring is provided with a plurality of positioning grooves with upward openings, and the seventh clamping groove is clamped with the positioning grooves through the fifth opening, so that the radiating fins are fixed with the base relatively.
Optionally, the second clamping groove penetrates through the second connecting ring and has a first opening penetrating through the edge of the second connecting ring;
the upper ends of the radiating fins extend towards the direction of the connecting ring to form a third clamping part, the third clamping part extends towards the direction deviating from the fixed ring to form a buckle, the third clamping part is clamped in the second clamping groove through the first opening, and the buckle is clamped on the upper end face of the second connecting ring.
Optionally, the heat sink is provided with a weight-reducing groove penetrating through the heat sink.
Optionally, the top of printing opacity cover is equipped with the light trap, be provided with the base plate on the second go-between, the base plate with the position that the light trap is relative is connected with the LED chip, the lower terminal surface butt of printing opacity cover in the up end of base plate.
The technical scheme of the invention has the following advantages:
1. according to the bulb, the light-transmitting cover, the connecting ring, the radiator and the base are connected in a clamping manner, on one hand, any screw or other connecting manner is not needed in the assembly process, so that rapid assembly can be realized, and the assembly efficiency of the bulb is improved; on the other hand, the joint is flexonics, makes printing opacity cover, go-between, radiator and base be difficult for appearing rocking and drop each other for heavier weight, printing opacity cover, go-between, radiator and base, has reduced the probability that the part damaged, prolongs the life of bulb.
2. The bulb provided by the invention is characterized in that the second connecting ring is provided with a plurality of first clamping grooves with closed wall surfaces, the circumference of the lower end of the light-transmitting cover is provided with a plurality of positioning pieces, the positioning pieces are provided with clamping feet, and the positioning pieces penetrate through the first clamping grooves and clamp the clamping feet on the lower end surface of the second connecting ring, so that the light-transmitting cover and the connecting ring are fixed.
3. According to the bulb, the radiating fins are connected to the fixing ring, the limiting parts capable of simultaneously connecting two adjacent radiating fins are arranged on the fixing ring, the through holes are formed in the radiating fins, the fixing ring is fixed on the radiating fins through interference fit between the limiting parts and the through holes, separation between the fixing ring and the radiating fins is prevented, and meanwhile, the radiating fins are orderly arranged in the circumferential direction of the fixing ring due to the fact that the radiating fins are connected to the circumferential direction of the fixing ring.
4. According to the bulb provided by the invention, the third clamping groove of the radiating fin is inserted into the vertical ring, and the vertical section of the step part is inserted into the fourth clamping groove, so that the radiating fin is fixed on the fixed ring.
5. According to the bulb provided by the invention, the plurality of clamping blocks are arranged in the accommodating cavity of the base at intervals, the sixth clamping grooves with the closed wall surfaces are arranged on the clamping blocks, the fifth clamping grooves on the radiating fins are downwards clamped from the upper ends of the clamping blocks through the fourth openings, the clamping hooks are clamped in the sixth clamping grooves, and the relative fixation between the radiating fins and the base is realized, so that the radiator is fixed on the base.
6. The clamping block of the ball bubble provided by the invention comprises the first vertical plate and the second vertical plate which is connected with the first vertical plate in parallel, and the second vertical plate is lower than the second vertical plate, so that the clamping hook can be clamped in the sixth clamping groove quickly.
7. According to the ball bubble provided by the invention, the positioning ring is arranged in the accommodating cavity, the positioning groove is arranged on the positioning ring, and the bottom air clamping groove on the radiating fin is clamped in the positioning groove, so that the radiating fin can be fixed relative to the base, the quick positioning can be realized, and the radiating fin is prevented from deviating relative to the base, so that the use of the ball bubble is affected.
8. According to the bulb provided by the invention, the third connecting part with the buckle is formed at the upper end of the radiating fin, the second connecting ring is provided with the plurality of second clamping grooves with the first openings, the third connecting part is inserted into the second clamping grooves and the buckle is clamped on the upper surface of the second connecting ring, so that the radiator is fixed on the connecting ring.
9. According to the ball bubble, the weight reducing grooves are formed in the radiating fins, so that the overall weight of the radiator is greatly reduced, the acting force borne by the base is reduced, and the weight of the radiator borne by the connecting ring is reduced, so that the base, the radiator and the connecting ring are not easy to slip, the material is saved, and the service life of the ball bubble is prolonged.
10. According to the bulb provided by the invention, the substrate is arranged on the second connecting ring, namely, the lower end face of the substrate is abutted against the buckle, the lower end face of the light-transmitting cover is abutted against the upper end face of the substrate, and the buckle is indirectly fixed on the upper surface of the second connecting ring by the light-transmitting cover, so that the radiator and the connecting ring are more firmly fixed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a bulb provided by the present invention;
FIG. 2 is an exploded view of a bulb according to the present invention;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is a cross-sectional view of a bulb provided by the present invention;
FIG. 5 is another cross-sectional view of a bulb provided by the present invention;
FIG. 6 is a schematic diagram of a heat sink according to the present invention;
FIG. 7 is a schematic view of the connection of the fixing ring of the bulb and the heat sink;
fig. 8 is an enlarged view at B in fig. 7;
fig. 9 is a top view of a retaining ring provided by the present invention.
Reference numerals illustrate:
1. a light-transmitting cover; 11. a positioning piece; 111. a clamping foot;
2. a connecting ring; 21. a first connection ring; 22. a second connecting ring; 221. a first clamping groove; 222. a second clamping groove; 2221. a first opening;
3. a heat sink; 31. a fixing ring; 311. a horizontal ring; 3111. a fourth clamping groove; 3112. a third opening; 312. a vertical ring; 313. A limit part; 32. a heat sink; 321. a through hole; 322. a third clamping groove; 3221. a second opening; 323. a first clamping part; 3231. a seventh clamping groove; 3232. a fifth opening; 324. a second clamping part; 3241. a hook; 325. a fifth clamping groove; 3251. a fourth opening; 326. a third clamping part; 3261. a buckle; 327. a weight reduction groove;
4. a base; 41. a threaded joint; 42. a receiving chamber; 43. a clamping block; 431. a sixth clamping groove; 44. a positioning ring; 441. a positioning groove;
5. a substrate;
6. an LED chip.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
One embodiment of the bulb as shown in fig. 1 to 9 comprises a connecting ring 2, and a plurality of first clamping grooves 221 with closed wall surfaces and a plurality of second clamping grooves 222 with non-closed wall surfaces are arranged along the circumferential direction of the connecting ring 2. The light-transmitting cover 1 is accommodated in the connecting ring 2 and is inserted into the first clamping groove 221 to fix the light-transmitting cover 1 to the connecting ring 2. The upper end of the radiator 3 is clamped with the second clamping groove 222 to fix the radiator 3 to the connecting ring 2. The base 4 is clamped with the lower end of the radiator 3 to fix the radiator 3 to the base 4.
On one hand, the bulb, the light-transmitting cover 1, the connecting ring 2, the radiator 3 and the base 4 are connected in a clamping manner, and on the other hand, any screw or other connecting manner is not needed in the assembly process, so that rapid assembly can be realized, and the assembly efficiency of the bulb is improved; on the other hand, the joint is flexonics, makes printing opacity cover 1, go-between 2, radiator 3 and the base 4 that the joint is connected can bear heavier weight, and printing opacity cover 1, go-between 2, radiator 3 and base 4 are difficult for appearing rocking and drop each other, have reduced the probability that the part damaged, extend the life of bulb.
Specifically, as shown in fig. 2 and 3, the connection ring 2 includes a first connection ring 21 vertically upward and a second connection ring 22 extending from an inner wall of the first connection ring 21 toward a center of the first connection ring 21, and the first clamping groove 221 penetrates the second connection ring 22. The light-transmitting cover 1 is provided with a plurality of locating pieces 11 along the circumference of the light-transmitting cover 1 towards one end of the connecting ring 2, the lower end of the locating piece 11 is provided with a clamping foot 111, the locating piece 11 is inserted into the first clamping groove 221, and the clamping foot 111 is clamped to the lower end face of the second connecting ring 22, so that the fixation between the light-transmitting cover 1 and the connecting ring 2 can be realized.
It can be understood that the positioning member 11 has a certain elasticity, and when the positioning member 11 is inserted into the first clamping groove 221, the positioning member 11 is elastically deformed, and when the clamping leg 111 extends out of the upper end surface of the second connecting ring 22, the positioning member 11 resets to enable the clamping leg 111 to be clamped on the lower end surface of the second connecting ring 22.
The number of the positioning members 11 and the first engaging grooves 221 is not limited, as long as the light-transmitting cover 1 can be fixed to the connection ring 2.
As shown in fig. 6 and 7 to 9, the heat sink 3 includes a fixing ring 31 above the base 4 and a plurality of heat dissipating fins 32 circumferentially connected to the fixing ring 31, and the fixing ring 31 is circumferentially provided with a plurality of limiting portions 313 capable of simultaneously connecting two adjacent heat dissipating fins 32 to fix the fixing ring 31 to the heat dissipating fins 32. The heat sink 32 is provided with a through hole 321, and the limiting portion 313 is in interference fit with the through hole 321. The fixing ring 31 is fixed on the cooling fins 32 through the interference fit between the limiting part 313 and the through hole 321, separation between the fixing ring 31 and the cooling fins 32 is prevented, and meanwhile, the cooling fins 32 are connected to the circumference of the fixing ring 31, so that the cooling fins 32 can be orderly arranged on the fixing ring 31.
The limiting portions 313 are provided with tapered portions extending toward both sides, and each tapered portion is connected to one of the heat dissipation fins 32. The conical part and the through hole 321 are in interference fit, so that the fixing ring 31 can be fixed on the radiating fin 32.
The number of the stopper portions 313 is not limited, and the fixing ring 31 may be fixed to the plurality of fins 32. In the present embodiment, the number of the stopper portions 313 is three.
As shown in fig. 7 to 9, the fixing ring 31 includes a horizontal ring 311 disposed horizontally and a vertical ring 312 extending in a vertical direction along an inner side wall of the horizontal ring 311, and the stopper 313 is disposed on the vertical ring 312. A third clamping groove 322 extending downwards is arranged below the through hole 321, the third clamping groove 322 is provided with a second opening 3221, and the third clamping groove 322 of the radiating fin 32 is inserted into the vertical ring 312 through the second opening 3221.
The horizontal ring 311 is provided with a plurality of fourth catching grooves 3111 along the circumference thereof, and the fourth catching grooves 3111 have third openings 3112 penetrating the edge of the horizontal ring 311. A step (not shown) is formed at a portion of the lower end of the heat sink 32 corresponding to the fourth slot 3111, at least a portion of the horizontal ring 311 supports a horizontal segment of the step, and the fourth slot 3111 is inserted into a vertical segment of the step through the third opening 3112.
The fixing of the heat sink 32 to the fixing ring 31 is achieved by inserting the third clamping groove 322 of the heat sink 32 to the vertical ring 312 and inserting the vertical section of the stepped portion to the fourth clamping groove 3111. Therefore, the heat sink 32 and the fixing ring 31 are fixed to each other, so that the fixing ring 31 is prevented from falling off, and the shape and arrangement of the heat sink 32 Cheng Yiding are ensured.
It is to be understood that at least a portion of the horizontal ring 311 supports the horizontal segment of the step portion, which may be the horizontal segment of the step portion supported by the fourth clamping groove 3111 on the horizontal ring 311, or the horizontal segment of the step portion supported by the horizontal plane between the bottom of the fourth clamping groove 3111 and the connection position of the horizontal ring 311 and the vertical ring 312.
As shown in fig. 2 and 6, the lower end of the heat sink 32 further includes a first clamping portion 323 and a second clamping portion 324, a fifth clamping groove 325 with a fourth opening 3251 is formed between the first clamping portion 323 and the second clamping portion 324, and the second clamping portion 324 extends toward the fifth clamping groove 325 to form a hook 3241.
The lower section of the base 4 is provided with a screwed joint 41, the upper section of the base 4 forms an accommodating cavity 42 with an opening, a plurality of clamping blocks 43 are fixed in the accommodating cavity 42 at intervals, the clamping blocks 43 are provided with sixth clamping grooves 431 with closed wall surfaces along the length direction of the clamping blocks 43, the fifth clamping grooves 325 are clamped on the clamping blocks 43 through fourth openings 3251, and the clamping hooks 3241 are clamped in the sixth clamping grooves 431. The fifth clamping groove 325 on the heat sink 32 is clamped downwards from the upper end of the clamping block 43 through the fourth opening 3251, and the clamping hook 3241 is clamped in the sixth clamping groove 431, so that the heat sink 32 and the base 4 are relatively fixed, and the heat sink 3 is fixed on the base 4.
The number of the clips 43 is not limited as long as the heat sink 3 can be fixed to the base 4. In the present embodiment, the number of the clips 43 is three. It can be appreciated that when the number of the clamping blocks 43 is three, the three clamping blocks 43 are arranged in the accommodating cavity 42 in a triangular shape, so that the radiator 3 and the base 4 can be firmly connected.
As shown in fig. 2, the latch 43 includes a first riser (not shown), and the sixth latch groove 431 is disposed on the first riser. The clamping block 43 further comprises a second vertical plate (not shown in the figure) connected with the first vertical plate in parallel, the second vertical plate is close to the cooling fin, the second vertical plate is lower than the first vertical plate, the upper end of the second vertical plate is used for supporting the cooling fin 32, and thus the clamping hook 3241 is facilitated to be fast clamped in the sixth clamping groove 431.
As shown in fig. 2 and 6, the second engaging portion 324 is provided with a seventh engaging groove 3231 penetrating the second engaging portion 324, and the seventh engaging groove 3231 has a fifth opening 3232 disposed downward. The accommodating cavity 42 is internally provided with a positioning ring 44 vertically upwards along the circumferential direction of the accommodating cavity 42, the positioning ring 44 is located at the outer circumferences of the clamping blocks 43, the positioning ring 44 is provided with a plurality of positioning grooves 441 with upwards openings, and the seventh clamping groove 3231 is clamped with the positioning grooves 441 through the fifth opening 3232, so that the heat radiating fin 32 and the base 4 are relatively fixed. Therefore, the position of the radiating fin 32 relative to the base 4 can be fixed, quick positioning can be realized, and the radiating fin 32 is prevented from deviating relative to the base 4, so that the use of the bulb is affected.
As shown in fig. 2, 3 and 6, the second clamping groove 222 penetrates the second connecting ring 22 and has a first opening 2221 penetrating the edge of the second connecting ring 22. The upper ends of the heat dissipating fins 32 extend towards the direction of the connection ring 2 to form a third clamping portion 326, the third clamping portion 326 extends towards the direction away from the fixing ring 31 to form a buckle 3261, the third clamping portion 326 is clamped in the second clamping groove 222 through the first opening 2221, and the buckle 3261 is clamped on the upper end surface of the second connection ring 22, so that the heat sink 3 is fixed on the connection ring 2, and the heat sink 3 is not easy to slip from the connection ring 2.
As shown in fig. 6, the heat sink 32 is provided with a weight-reducing groove 327 penetrating the heat sink 32, so that the overall weight of the heat sink 3 is greatly reduced, the acting force applied to the base 4 is reduced, and the weight of the heat sink 3 borne by the connection ring 2 is reduced, so that the base 4, the heat sink 3 and the connection ring 2 are not easy to slip, and the service life of the bulb is prolonged while saving materials.
As shown in fig. 4 and 5, a light hole (not shown) is formed in the top end of the light-transmitting cover 1, a substrate 5 is disposed on the second connection ring 22, an LED chip 6 is connected to a position of the substrate 5 opposite to the light hole, and a lower end surface of the light-transmitting cover 1 abuts against an upper end surface of the substrate 5.
It can be understood that the second connection ring 22 is provided with the substrate 5, that is, the lower end surface of the substrate 5 abuts against the buckle 3261, and the lower end surface of the transparent cover 1 abuts against the upper end surface of the substrate 5, which is equivalent to indirectly fixing the buckle 3261 on the upper surface of the second connection ring 22 by the transparent cover 1, so that the fixation between the radiator 3 and the connection ring 2 is more firm.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (11)
1. A bulb, comprising:
a connecting ring (2) provided with a plurality of first clamping grooves (221) with closed wall surfaces and a plurality of second clamping grooves (222) with non-closed wall surfaces along the circumferential direction of the connecting ring (2);
a light-transmitting cover (1) accommodated in the connecting ring (2) and inserted into the first clamping groove (221) so as to fix the light-transmitting cover (1) to the connecting ring (2);
the upper end of the radiator (3) is clamped with the second clamping groove (222) so as to fix the radiator (3) on the connecting ring (2);
the base (4) is clamped with the lower end of the radiator (3) so as to fix the radiator (3) on the base (4);
the connecting ring (2) comprises a first connecting ring (21) which is vertically upwards and a second connecting ring (22) which extends from the inner wall of the first connecting ring (21) to the center of the first connecting ring (21), and the first clamping groove (221) penetrates through the second connecting ring (22);
one end of the light-transmitting cover (1) facing the connecting ring (2) is provided with a plurality of positioning pieces (11) along the circumferential direction of the light-transmitting cover (1), the lower end of each positioning piece (11) is provided with a clamping foot (111), each positioning piece (11) is inserted into the corresponding first clamping groove (221), and each clamping foot (111) is clamped on the lower end face of the corresponding second connecting ring (22); the radiator (3) comprises a fixed ring (31) positioned above the base (4) and a plurality of radiating fins (32) circumferentially connected with the fixed ring (31), wherein the fixed ring (31) is circumferentially provided with a plurality of limiting parts (313) capable of simultaneously connecting two adjacent radiating fins (32) so as to fix the fixed ring (31) on the radiating fins (32);
the second clamping groove (222) penetrates through the second connecting ring (22) and is provided with a first opening (2221) penetrating through the edge of the second connecting ring (22);
the upper end of fin (32) to direction extension formation third joint portion (326) of go-between (2), third joint portion (326) are to deviating from the direction extension of solid fixed ring (31) forms buckle (3261), third joint portion (326) are in through first opening (2221) joint in second draw-in groove (222), buckle (3261) joint is in the up end of second go-between (22).
2. The bulb according to claim 1, characterized in that the heat sink (32) is provided with a through hole (321), and the limiting part (313) is in interference fit with the through hole (321).
3. Bulb according to claim 2, characterized in that the limit parts (313) are provided with conical parts extending towards both sides, each of which conical parts is connected to one of the cooling fins (32).
4. A bulb according to claim 3, wherein the fixing ring (31) comprises a horizontal ring (311) horizontally arranged and a vertical ring (312) formed by extending along the inner side wall of the horizontal ring (311) in a vertical direction, and the limiting part (313) is arranged on the vertical ring (312);
the lower part of the through hole (321) is provided with a third clamping groove (322) extending downwards, the third clamping groove (322) is provided with a second opening (3221), and the third clamping groove (322) of the radiating fin (32) is inserted into the vertical ring (312) through the second opening (3221).
5. The bulb according to claim 4, characterized in that the horizontal ring (311) is provided with a plurality of fourth clamping grooves (3111) along its circumference, the fourth clamping grooves (3111) having a third opening (3112) penetrating through the edge of the horizontal ring (311);
the lower ends of the cooling fins (32) are provided with step parts in a molding mode at the parts corresponding to the fourth clamping grooves (3111), at least one part of the horizontal rings (311) supports the horizontal sections of the step parts, and the fourth clamping grooves (3111) are inserted into the vertical sections of the step parts through the third openings (3112).
6. The bulb according to claim 5, wherein the lower end of the heat sink (32) further comprises a first clamping portion (323) and a second clamping portion (324), a fifth clamping groove (325) with a fourth opening (3251) is formed between the first clamping portion (323) and the second clamping portion (324), and the second clamping portion (324) extends towards the direction of the fifth clamping groove (325) to form a clamping hook (3241);
the upper section of base (4) forms and has open-ended holds chamber (42), hold chamber (42) internal space and be fixed with a plurality of fixture blocks (43), fixture block (43) are followed the length direction of fixture block (43) is equipped with sixth draw-in groove (431) that have closed wall, fifth draw-in groove (325) are in through fourth opening (3251) joint on fixture block (43), just trip (3241) joint is in sixth draw-in groove (431).
7. The bulb according to claim 6, characterized in that the clamping block (43) comprises a first riser, on which the sixth clamping groove (431) is provided.
8. The bulb according to claim 7, wherein the fixture block further comprises a second riser connected in parallel with the first riser, the second riser being disposed adjacent to the heat sink (32), and the second riser being lower than the first riser, and an upper end of the second riser being configured to support the heat sink (32).
9. The bulb according to claim 6, characterized in that the second clamping part (324) is provided with a seventh clamping groove (3231) penetrating the second clamping part (324), the seventh clamping groove (3231) having a fifth opening (3232) arranged downwards;
the cooling device comprises a base (4) and is characterized in that a vertical positioning ring (44) is arranged in the accommodating cavity (42) along the circumferential direction of the accommodating cavity (42), the positioning ring (44) is arranged on the periphery of a plurality of clamping blocks (43), a plurality of positioning grooves (441) with upward openings are arranged on the positioning ring (44), and the seventh clamping groove (3231) is clamped with the positioning grooves (441) through a fifth opening (3232) so that the cooling fins (32) are fixed relatively between the base and the base.
10. Bulb according to claim 1, characterized in that the heat sink (32) is provided with weight-reducing grooves (327) extending through the heat sink (32).
11. The bulb according to claim 1, wherein a light transmission hole is formed in the top end of the light transmission cover (1), a substrate (5) is arranged on the second connecting ring (22), an LED chip (6) is connected to a position, opposite to the light transmission hole, of the substrate (5), and the lower end face of the light transmission cover (1) is abutted to the upper end face of the substrate (5).
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| TWI824095B (en) * | 2019-12-31 | 2023-12-01 | 聯嘉光電股份有限公司 | Heat dissipation structure and flexible light-emitting device with heat dissipation structure |
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