TWI469315B - Fixed devices for light - emitting diodes and their holders - Google Patents

Description

Light-emitting diode fixing device and fixing seat thereof

The present invention relates to a fixture, and more particularly to a fixture that can mount a light-emitting diode on a circuit board.

A light-emitting diode (LED) is a low-power light-emitting element that is well suited for direct and electrical connection to a circuit board. In order to improve the stability of the light-emitting diode mounted on the circuit board, to prevent the pin of the light-emitting diode from being accidentally touched by the circuit on the circuit board, the invention patent of No. I293812 of FIG. a locator 1, the locator 1 is steadily mounted on a circuit board 22 having two spaced apart receptacles 221 and two locating apertures 222, and the illuminating diode The body 21 has a light-emitting portion 211, and two legs 212 extending downward from the light-emitting portion 211 and respectively inserted into the insertion holes 221 of the circuit board 22, the light-emitting portion 211 having a radially outer end protruding The flange 213.

The positioning base 1 includes a base wall 11 which is inclined and abuts against the light-emitting portion 211, and a erecting wall 12 protruding from the base wall 11 toward the circuit board 22, and two spaced and surrounding the light-emitting diodes The surrounding wall 13 of the light-emitting portion 211 of the 21, the two hooking walls 14 respectively protruding upward from the surrounding wall 13 and hooking over the flange 213 of the illuminating body 211, and the two erecting walls 12 The bottom edge protrudes downwardly and is respectively latched in the positioning posts 15 of the positioning holes 222 of the circuit board 22. The base wall 11 has two notches 111 respectively corresponding to the pins 212 of the LEDs 21.

During installation, the light-emitting diode 21 is mounted on the base wall 11 of the positioning base 1 and the pins 212 of the LED 21 are respectively passed through the notch 111 of the base wall 11 and then The positioning posts 15 of the positioning base 1 are respectively inserted into the positioning holes 222 of the circuit board 22, and the pins 212 of the LEDs 21 are respectively inserted into the insertion holes 221 of the circuit board 22, and the combination is completed. .

The foregoing invention patent can ensure that the light-emitting diode 21 is firmly coupled to the circuit board 22 due to the arrangement of the positioning base 1, and the light-emitting diode 21 is prevented by the gap 111 on the base wall 11 The pins 211 are in conflict. However, in order to achieve the above object, the structure of the base wall 11 and the surrounding wall 13 of the positioning seat 1 of the invention patent is not only complicated, but also increases the complexity of the mold design, and the solid base wall 11 and the erecting wall 12 of the positioning seat 1 are required. There are also many molding materials, so the aforementioned invention patent also has a problem of high material cost.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a fixture for a light-emitting diode that is structurally innovative, simple, and saves material costs.

The fixing device of the present invention can mount a plurality of light emitting diodes on a circuit board, each of the light emitting diodes has a light emitting portion, and two pins which are spaced apart and can be mounted on the circuit board. The fixing device comprises: a plurality of spaced apart fixing seats, and a connecting unit connecting the fixing seats. Each of the fixing bases includes a bearing ring for arranging the light emitting portion of the light emitting diode, and a fixing strip which is positionable on the circuit board and extends integrally from the bearing ring, the bearing ring has a defining A surrounding wall of the passage through which the pins of the light-emitting diode pass, and the connecting unit is a fixing strip integrally connecting the fixing seats.

The invention has the beneficial effects that the foregoing structure can not only install the light-emitting diodes on the circuit board, but also has the advantages of structural innovation, simplicity, and material cost saving.

The foregoing and other objects, features, and advantages of the invention are set forth in the <RTIgt;

Referring to Figures 3, 4 and 5, a preferred embodiment of the fixing device of the present invention can mount a plurality of LEDs 31 on a circuit board 32. Each of the LEDs 31 has a light-emitting portion 311. And two pins 312 extending from the light emitting portion 311 toward the circuit board 32, and the light emitting portion 311 has a protruding ring 313 protruding in a radial direction. The circuit board 32 has a plurality of jacks 321 for mounting the pins 312 of the LEDs 31, and a plurality of positioning holes 322 arranged along a longitudinal direction of the circuit board 32 (FIG. 5 only Indicate one).

The fixing device of this embodiment comprises: a plurality of fixing bases 4, and a connecting unit 5 integrally connecting the fixing bases 4. Each of the fixing bases 4 includes a bearing ring 41 for the light emitting portion 311 of the light emitting diode 31, and an integral connection with the bearing ring 41 and the light emitting diode 31 is disposed away from the circuit board 32. Fixed strip 42.

The bearing rings 41 of the fixing seats 4 each have a surrounding ring wall 411 around a center, and the surrounding ring wall 411 has an inner ring wall surface 413 defining a passage 412 having a center toward the center. The protruding and upwardly facing frame 414.

The fixing strip 42 of the fixing base 4 has a board base wall 421 which is flat on one of the top surfaces of the circuit board 32, and a board base wall 421 extends to the surrounding ring wall 411 of the bearing ring 41. The connecting extension wall 422, and a positioning rod 423 protruding from the bottom surface of the board base wall 421 and positioning the positioning hole 322 of the circuit board 32, the board base wall 421 and the extension connecting wall 422 form a larger than The angle of the angle of 43 is 43, but in practice, the angle 43 is not limited to the disclosure of the embodiment. The board base wall 421 of the fixing strip 42 is disposed in parallel with the rest surface 414 of the bearing ring 41. However, in the design, the present invention may also be equivalent to the bending angle of the pin 312 of the light emitting diode 31. The angular relationship between the base wall 421 of the plate and the rest surface 414 of the bearing ring 41 is changed, that is, the correspondence between the base wall 421 and the frame surface 414 is not limited to parallel.

The connecting unit 5 of the present embodiment includes a plurality of connecting strips 51 disposed along the length direction of the circuit board 32, and the connecting strips 51 are vertically connected between the board base walls 421 of the adjacent fixing bases 4 .

When the fixing device of the embodiment is in use, the LEDs 31 are separately mounted on the fixing bases 4 of the fixing device, that is, the flanges 313 of the LEDs 31 are erected in correspondence. The mounting portion 312 of the mounting base 4 is inserted through the passage 412 of the bracket ring 41 and inserted into the corresponding socket 321 of the circuit board 32. Inside. After the assembly, the pins 312 of the LEDs 31 are not in contact with each other by the terminals 321 of the circuit board 32. Therefore, after assembly, the pins 312 of the LEDs 31 are assembled. Not only will it not interfere, short circuit, or mis-touch with the circuit on the circuit board 32.

In addition, since each of the fixing bases 4 of the present invention has only the annular bearing ring 41, and the plate-shaped fixing strip 42 can achieve the intended purpose, the design also has structural innovation, simplicity, and economy. The cost of materials and so on.

The above is only the preferred embodiment of the present invention, and the scope of the invention is not limited thereto, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are All remain within the scope of the invention patent.

31. . . Light-emitting diode

311. . . Light department

312. . . Pin

313. . . Flange

32. . . Circuit board

321. . . Jack

322. . . Positioning hole

4. . . Fixed seat

41. . . Bearing ring

411. . . Around the ring wall

412. . . aisle

413. . . Inner ring wall

414. . . Rack on the face

42. . . Fixed strip

421. . . Base wall

422. . . Extended wall

423. . . Positioning rod

43. . . Angle

5. . . Connection unit

51. . . Connecting strip

1 is a perspective view of a stereoscopic use of an embodiment of the invention patent No. I293812;

Figure 2 is a cross-sectional view of the invention of Figure 1;

Figure 3 is a perspective view of a preferred embodiment of a fixing device of the present invention;

4 is a partial enlarged view of the preferred embodiment, mainly showing the relative relationship between one of the fixing devices and a light-emitting diode; and

Figure 5 is a cross-sectional view of the preferred embodiment.

31. . . Light-emitting diode

311. . . Light department

312. . . Pin

32. . . Circuit board

321. . . Jack

4. . . Fixed seat

41. . . Bearing ring

42. . . Fixed strip

421. . . Base wall

422. . . Extended wall

5. . . Connection unit

51. . . Connecting strip

Claims (10)

A fixing device for a light-emitting diode, wherein a plurality of light-emitting diodes are mounted on a circuit board, each light-emitting diode has a light-emitting portion, and two spaced-apart and mounted on the circuit board a fixing device comprising: a plurality of fixing seats spaced apart, each fixing seat comprising a bearing ring for arranging the light emitting portion of the light emitting diode, and a positioning device on the circuit board a fixing strip extending integrally with the ring, the bearing ring having a surrounding ring wall defining a passage for the pin of the light emitting diode to pass through; and a connecting unit for integrally connecting the fixing bars of the fixing seat . The fixing device of the light-emitting diode according to the first aspect of the invention, wherein the fixing strip of each fixing seat has a base wall of the plate abutting on the circuit board, a base wall connected to the board, and the An extension wall between the bearing rings and a positioning rod projecting from the base wall of the board and inserted into the circuit board. The fixing device for a light-emitting diode according to claim 2, wherein the fixing connecting strip of the fixing seat has an angle of more than 90 degrees between the extending wall and the base wall of the plate. The fixing device for a light-emitting diode according to the second aspect of the invention, wherein the surrounding ring wall has an inner ring wall surface defining the passage, the inner ring wall surface having a light-emitting portion for the light-emitting diode The frame is placed against the face, and the frame is parallel to the base wall of the fixing strip. The fixing device for a light-emitting diode according to the second aspect of the invention, wherein the connecting unit comprises a plurality of connecting strips respectively connected between the fixing strips of the adjacent fixing seats. The fixing device for a light-emitting diode according to claim 5, wherein the connecting strips are perpendicular to the fixing strips of the fixing bases. A fixing base for fixing a light-emitting diode for mounting a light-emitting diode on a circuit board, the light-emitting diode having a light-emitting portion, and two spaced-apart and mounted on the circuit board a pin, and the fixing base includes: a bearing ring for the light emitting portion of the light emitting diode, and having a surrounding ring wall defining a passage for the pin of the light emitting diode to pass through; and A fixing strip is positionable on the circuit board and extends integrally from the bearing ring. The fixing base of the fixing device of the light-emitting diode according to the seventh aspect of the invention, wherein the fixing strip has a base wall of the plate abutting on the circuit board, a base wall connected to the board, and the bearing An extension wall between the rings, and a positioning rod projecting from the base wall of the board and inserted into the circuit board. The fixing base of the fixing device for a light-emitting diode according to claim 8, wherein the extending connecting wall of the fixing strip and the base wall of the plate have an angle greater than 90 degrees. The fixing base of the fixing device for a light-emitting diode according to Item 8 of the patent application, wherein the surrounding ring wall has a ring defining an inner ring wall surface of the channel, the inner ring wall surface having a light-emitting diode for the light-emitting diode The light-emitting portion abuts against the face.