CN213479890U - Lamp holder and radiator integrated structure - Google Patents
Lamp holder and radiator integrated structure Download PDFInfo
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- CN213479890U CN213479890U CN202022308426.7U CN202022308426U CN213479890U CN 213479890 U CN213479890 U CN 213479890U CN 202022308426 U CN202022308426 U CN 202022308426U CN 213479890 U CN213479890 U CN 213479890U
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- lamp holder
- cup body
- accommodating cavity
- metal cup
- radiator
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Abstract
The utility model discloses a lamp holder and radiator integrated structure, which comprises a radiator and a lamp holder; the radiator comprises a plastic cup body and a metal cup body; the plastic cup body is provided with a first accommodating cavity with an upper opening and a lower opening; the metal cup body is provided with a second accommodating cavity with an upper opening and a lower opening, and the metal cup body is matched with the first accommodating cavity; constitute the radiator through down embedding the first holding chamber of metal cup from the top, and cooperate the lamp holder from the top to down embedding second holding chamber in, the lower extreme of lamp holder stretches out first holding chamber downwards, the upper end of lamp holder is pressed and is supported the lower extreme of metal cup and fixed formation integral type structure with the lower extreme buckle of plastics cup, make the connection structure between lamp holder and the radiator firm more, be favorable to improving production efficiency, and the radiator is formed by metal cup and plastics cup assembly, can bear unlimited time cold and hot impact and not burst, product life is longer.
Description
Technical Field
The utility model belongs to the technical field of the lamps and lanterns technique and specifically relates to indicate a lamp holder and radiator integral type structure.
Background
The LED lamp has the advantages of high brightness, energy conservation and the like, so that the LED lamp is used in more and more occasions. With the development of the LED technology, the demand for LED applications in the market is increasing, and various LED lamps are applied more and more, but the heat productivity of the LED light source is usually large, so that the LED light source needs to be cooled to ensure its normal operation, and therefore, higher and higher requirements are provided for the design of the heat dissipation structure.
Among the prior art, its radiator of LED spherical bulb and lamp holder generally adopt threaded connection's assembly methods, connection structure is unstable, low in production efficiency, and for realizing double-colored effect, need electroplate radiator and lamp holder, and is with high costs, and not environmental protection, in addition, present radiator adopts two kinds of plastics and two kinds of different materials of metal to form together through injection moulding's mode, the shrinkage ratio of two kinds of different materials expend with heat and contract with cold is different, lead to in the use, the plastics cup appears bursting easily, thereby make the metal cup expose, there is great potential safety hazard. Therefore, there is a need to develop a solution to the above problems.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a lamp holder and heat sink integrated structure, which can effectively solve the problems of unstable connection structure and low production efficiency in the assembly method of the prior heat sink and lamp holder generally using threaded connection.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a lamp holder and heat sink integrated structure comprises a heat sink and a lamp holder; the radiator comprises a plastic cup body and a metal cup body; the plastic cup body is provided with a first accommodating cavity with an upper opening and a lower opening; the metal cup body is provided with a second containing cavity with an upper opening and a lower opening, the metal cup body is matched with the first containing cavity, the metal cup body is embedded into the first containing cavity from top to bottom, and the outer wall of the metal cup body is attached to the inner wall of the first containing cavity; the lamp holder is embedded into the second accommodating cavity from top to bottom, the lower end of the lamp holder extends out of the first accommodating cavity downwards, and the upper end of the lamp holder is pressed against the lower end of the metal cup body and is fixed with the lower end of the plastic cup body in a buckling mode to form an integrated structure.
As a preferable scheme, a positioning groove is formed on the inner side periphery of the lower end opening of the first accommodating cavity, and a fastening groove is formed on the outer side periphery of the lower end of the first accommodating cavity; the lamp holder is made of plastic, a positioning part and a buckling part are formed at the upper end of the lamp holder, the positioning part is embedded in the positioning groove, and the buckling part is buckled and fixed with the buckling groove.
As a preferable scheme, the positioning groove is annular, and inner positioning teeth are formed on the inner wall of the positioning groove; this location portion is a plurality of and be the arc that interval circumference was arranged, and a plurality of location portions all inlay in the constant head tank, and the lateral surface of each location portion all is formed with outer location tooth, should outer location tooth and interior location tooth nest from top to bottom and the meshing location.
As a preferred scheme, the upper end of the positioning portion is hot-melted and pressure-riveted to form a limiting portion, and the limiting portion is pressed against the edge of the inner side of the lower end opening of the second accommodating cavity.
As a preferred scheme, the catching groove is annular, should detain the portion and be the arc for a plurality of and that interval circumference was arranged, and a plurality of portions of detaining are staggeredly arranged from top to bottom on the circumference with a plurality of location portion, and the equal lock of a plurality of portions of detaining is fixed in the catching groove.
As a preferable scheme, a concave cavity with an upward opening is formed in the lamp holder, and the concave cavity is located below the second accommodating cavity and is in direct communication with the second accommodating cavity.
Preferably, two pins are fixed on the lamp holder, and the two pins are positioned on the circumferential side surface of the lamp holder and are radially and symmetrically arranged.
As a preferred scheme, the metal cup is made of aluminum, and the metal cup is embedded into the first accommodating cavity to be attached and fixed before being cooled after the plastic cup is formed.
Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:
one, constitute the radiator through down embedding the first holding chamber of metal cup from the top, and the cooperation lamp holder down imbeds in the second holding chamber from the top, the lower extreme of lamp holder stretches out first holding chamber downwards, the upper end of lamp holder is pressed and is supported the lower extreme of metal cup and fixed formation integral type structure with the lower extreme buckle of plastics cup, make the connection structure between lamp holder and the radiator firm more, be favorable to improving production efficiency, and the radiator is formed by metal cup and plastics cup assembly, can bear unlimited time cold and hot impact and not burst, product life is longer.
Secondly, through adopting the plastics material with the lamp holder to it realizes double-colored effect with the plastics cup, need not to electroplate, and environmental protection more, the cost is also lower.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is an assembled perspective view of a preferred embodiment of the present invention;
FIG. 2 is an exploded view of the preferred embodiment of the present invention;
fig. 3 is an exploded view from another angle of the preferred embodiment of the present invention;
FIG. 4 is a cross-sectional view of a preferred embodiment of the present invention;
fig. 5 is a sectional view of the upper end of the lamp cap before hot-melting and press-riveting in the preferred embodiment of the invention.
The attached drawings indicate the following:
10. radiator 11, plastics cup
12. Metal cup 101, first holding chamber
102. Second accommodating cavity 103 and positioning groove
104. Catching groove 105, inner positioning tooth
20. Base 21, positioning part
22. A buckle part 23 and a limit part
201. Outer positioning teeth 202, cavities
30. A pin.
Detailed Description
Referring to fig. 1 to 5, a specific structure of a preferred embodiment of the present invention is shown, which includes a heat sink 10 and a lamp cap 20.
The radiator 10 comprises a plastic cup body 11 and a metal cup body 12; the plastic cup body 11 is provided with a first accommodating cavity 101 with an upper opening and a lower opening; the metal cup body 12 is provided with a second containing cavity 102 with an upper opening and a lower opening, the metal cup body 12 is matched with the first containing cavity 101, the metal cup body 12 is embedded into the first containing cavity 101 from top to bottom, and the outer wall of the metal cup body 12 is attached to the inner wall of the first containing cavity 101; specifically, in this embodiment, a positioning groove 103 is formed on the inner periphery of the lower end opening of the first accommodating cavity 101, a fastening groove 104 is formed on the outer periphery of the lower end of the first accommodating cavity 101, the positioning groove 103 is annular, an inner positioning tooth 105 is formed on the inner wall of the positioning groove 103, and the fastening groove 104 is annular; metal cup 12 is the aluminium material, certainly also can be other metal materials, not for the limit, and metal cup 12 is the laminating fixed in embedding first holding chamber 101 before 11 shaping back uncooled plastics cups, and after the cooling, metal cup 12 combines more firm with plastics cup 11, avoids plastics cup 11 to appear bursting.
The lamp cap 20 is embedded into the second accommodating cavity 102 from top to bottom, the lower end of the lamp cap 20 extends out of the first accommodating cavity 101, and the upper end of the lamp cap 20 is pressed against the lower end of the metal cup 12 and is fastened and fixed with the lower end of the plastic cup 11 to form an integrated structure. Specifically, in this embodiment, the lamp holder 20 is made of plastic, a positioning portion 21 and a fastening portion 22 are formed at the upper end of the lamp holder 20, the positioning portion 21 is embedded in the positioning groove 103, the fastening portion 22 is fastened and fixed with the fastening groove 104, the positioning portions 21 are a plurality of arc-shaped positioning portions arranged at intervals and circumferentially, the positioning portions 21 are all embedded in the positioning groove 103, an outer positioning tooth 201 is formed on the outer side surface of each positioning portion 21, and the outer positioning tooth 201 and the inner positioning tooth 105 are vertically nested and positioned in a meshing manner, so as to prevent the lamp holder 20 from rotating relative to the heat sink 10; in addition, the upper end of the positioning portion 21 is hot-melted and pressure-riveted to form a limiting portion 23, the limiting portion 23 is pressed against the edge of the inner side of the lower end opening of the second accommodating cavity 102 to prevent the lamp holder 20 from moving axially downward, the buckling portions 22 are a plurality of arcs arranged at intervals and are circumferentially staggered, the buckling portions 22 and the positioning portions 21 are arranged in a circle in a staggered manner, and the buckling portions 22 are buckled and fixed in the buckling grooves 104 to prevent the lamp holder 20 from moving axially upward.
In addition, a cavity 202 with an upward opening is formed in the lamp head 20, and the cavity 202 is located below the second accommodating cavity 102 and is in direct communication with the second accommodating cavity 102; two pins 30 are fixed on the lamp holder 20, and the two pins 30 are both positioned on the peripheral side surface of the lamp holder 20 and are radially and symmetrically arranged.
Detailed description the assembly process of this embodiment is as follows:
firstly, the metal cup body 12 is formed separately by blanking and the like, the plastic cup body 11 is formed separately by injection molding, and the lamp holder 20 is formed by injection molding; then, the metal cup 12 is inserted into the first receiving cavity 101 from top to bottom and fixed, thereby forming the heat sink 10; then, as shown in fig. 4, the lamp cap 20 is inserted into the second accommodating cavity 102 from top to bottom, the lower end of the lamp cap 20 extends downward out of the first accommodating cavity 101, after the lamp cap is assembled to the position, the positioning portion 21 is inserted into the positioning groove 103, and the fastening portion 22 is fastened and fixed with the fastening groove 104; then, the upper end of the positioning portion 21 is hot-melted and pressure-riveted to form a limiting portion 23, the limiting portion 23 is pressed against the inner side edge of the lower opening of the second accommodating cavity 102, so as to form an integrated structure, and finally, the product is placed into an automatic machine to install a conductive nail (not shown) and the pin 30.
The utility model discloses a design focus lies in: at first, constitute the radiator through following down embedding first holding chamber with the metal cup from the top, and cooperate the lamp holder from the top down to imbed in the second holding chamber, the lower extreme of lamp holder stretches out first holding chamber downwards, the upper end of lamp holder is pressed and is supported the lower extreme of metal cup and fixed formation integral type structure with the lower extreme buckle of plastics cup, make the connection structure between lamp holder and the radiator more firm, be favorable to improving production efficiency, and the radiator is formed by metal cup and plastics cup assembly, can bear unlimited time cold and hot impact and not burst, product life is longer. Secondly, through adopting the plastics material with the lamp holder to it realizes double-colored effect with the plastics cup, need not to electroplate, and environmental protection is more, and the cost is also lower.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides a lamp holder and radiator integral type structure which characterized in that: comprises a radiator and a lamp holder; the radiator comprises a plastic cup body and a metal cup body; the plastic cup body is provided with a first accommodating cavity with an upper opening and a lower opening; the metal cup body is provided with a second containing cavity with an upper opening and a lower opening, the metal cup body is matched with the first containing cavity, the metal cup body is embedded into the first containing cavity from top to bottom, and the outer wall of the metal cup body is attached to the inner wall of the first containing cavity; the lamp holder is embedded into the second accommodating cavity from top to bottom, the lower end of the lamp holder extends out of the first accommodating cavity downwards, and the upper end of the lamp holder is pressed against the lower end of the metal cup body and is fixed with the lower end of the plastic cup body in a buckling mode to form an integrated structure.
2. The integrated structure of the lamp cap and the heat sink as set forth in claim 1, wherein: the periphery of the inner side of the lower end opening of the first accommodating cavity is provided with a positioning groove, and the periphery of the outer side of the lower end of the first accommodating cavity is provided with a buckling groove; the lamp holder is made of plastic, a positioning part and a buckling part are formed at the upper end of the lamp holder, the positioning part is embedded in the positioning groove, and the buckling part is buckled and fixed with the buckling groove.
3. The integrated structure of the lamp cap and the heat sink as set forth in claim 2, wherein: the positioning groove is annular, and inner positioning teeth are formed on the inner wall of the positioning groove; this location portion is a plurality of and be the arc that interval circumference was arranged, and a plurality of location portions all inlay in the constant head tank, and the lateral surface of each location portion all is formed with outer location tooth, should outer location tooth and interior location tooth nest from top to bottom and the meshing location.
4. The integrated structure of the lamp cap and the heat sink as set forth in claim 3, wherein: the upper end of the positioning part is hot-melted and pressure-riveted to form a limiting part which is pressed against the edge of the inner side of the lower end opening of the second accommodating cavity.
5. The integrated structure of the lamp cap and the heat sink as set forth in claim 3, wherein: the catching groove is annular, and this knot portion is a plurality of and be the arc that interval circumference was arranged, and a plurality of portions of detaining are staggeredly arranged from top to bottom on the circumference with a plurality of location portion, and a plurality of equal locks of portion of detaining are fixed in the catching groove.
6. The integrated structure of the lamp cap and the heat sink as set forth in claim 1, wherein: the lamp holder is internally provided with a concave cavity with an upward opening, and the concave cavity is positioned below the second accommodating cavity and is just communicated with the second accommodating cavity.
7. The integrated structure of the lamp cap and the heat sink as set forth in claim 1, wherein: two pins are fixed on the lamp holder and are positioned on the circumferential side surface of the lamp holder and are arranged symmetrically in the radial direction.
8. The integrated structure of the lamp cap and the heat sink as set forth in claim 1, wherein: the metal cup body is made of aluminum, and the metal cup body is embedded into the first accommodating cavity to be attached and fixed before being cooled after the plastic cup body is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022308426.7U CN213479890U (en) | 2020-10-16 | 2020-10-16 | Lamp holder and radiator integrated structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022308426.7U CN213479890U (en) | 2020-10-16 | 2020-10-16 | Lamp holder and radiator integrated structure |
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| Publication Number | Publication Date |
|---|---|
| CN213479890U true CN213479890U (en) | 2021-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022308426.7U Active CN213479890U (en) | 2020-10-16 | 2020-10-16 | Lamp holder and radiator integrated structure |
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| CN (1) | CN213479890U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654004A (en) * | 2021-08-27 | 2021-11-16 | 厦门兴海和金属制品有限公司 | Vehicle-mounted LED lamp cup mounting structure and mounting method |
-
2020
- 2020-10-16 CN CN202022308426.7U patent/CN213479890U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654004A (en) * | 2021-08-27 | 2021-11-16 | 厦门兴海和金属制品有限公司 | Vehicle-mounted LED lamp cup mounting structure and mounting method |
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Address after: Building 1, No. 8, Qishi Section, East Expressway, Qishi Town, Dongguan City, Guangdong Province, 523000 Patentee after: Guangdong Kaisheng Technology Development Co., Ltd. Address before: Dongshan Village Yongsheng Industrial Zone Qishi town 523000 Guangdong city of Dongguan Province Patentee before: GUANGDONG GASUN LIGHTING TECHNOLOGY Co.,Ltd. |