Light guide column mounting structure for circuit board
By designing a detachable light guide column installation structure on the circuit board, using external threads and internal threads and annular sealing mechanisms, the sealant entry problem is solved, ensuring light guide effect, and extending the use of LEDs through high thermal conductivity materials and heat dissipation strips life.
Patent Information
- Application Number
- CN202421074920.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-05-17
AI Technical Summary
During the installation of the circuit board, the sealant easily enters between the LED and the light guide column, affecting the light guide effect.
A light guide column mounting structure is designed, including patch LEDs soldered to the circuit board and removable connected light guide columns, forming a sealed accommodation space through the tightening mechanism of external and internal threads, and in annular projections and grooves Set a sealing ring at the location to ensure that the sealant does not enter.
Effectively prevent sealant from entering between the LED and the light guide column, ensure the light guide effect of the light guide column, and extend the service life of the LED through high thermal conductivity materials and heat dissipation strips.
Smart Images
Figure CN222339669U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of light guide column installation, in particular to a light guide column installation structure for a circuit board. Background Art
[0002] During the installation of the light guide column on the circuit board, it is usually necessary to first solder the SMD LED, then put a sealing ring on the SMD LED, and press the light guide column tightly against the sealing ring. When the I / O module shell is glued, the sealing ring is pressed tightly through the light guide column to prevent the sealant from entering between the LED and the light guide column. However, this assembly method is prone to glue leakage during glue pouring, and the sealant enters between the LED and the light guide column, seriously affecting the light guiding effect of the light guide column. Utility Model Content
[0003] The purpose of the utility model is to provide a light guide column installation structure for a circuit board in view of the above-mentioned deficiencies, which can effectively prevent the sealant from entering between the LED and the light guide column during glue pouring, thereby ensuring the light guiding effect of the light guide column.
[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0005] A light guide column installation structure for a circuit board comprises a circuit board, a patch LED welded on the circuit board, a base sleeved on the patch LED, a light guide column detachably connected to the base at the bottom end, the bottom end of the base being sealed and welded and fixed to the circuit board, a sealed accommodating space being formed between the circuit board, the base and the light guide column, the patch LED being arranged in the accommodating space; a connecting sleeve being provided on the base, an external thread being provided on the connecting sleeve, a blind hole being provided at the bottom end of the light guide column, and an internal thread being screwed to the external thread being provided on the inner side wall of the blind hole.
[0006] Furthermore, an annular protrusion is provided at the bottom end of the light guide column, an annular accommodating groove is provided on the base, an annular abutting groove is provided at the bottom of the annular accommodating groove opposite to the annular protrusion, a sealing ring is provided in the annular abutting groove, and when the external thread and the internal thread are tightened, the annular protrusion presses the sealing ring tightly in the annular abutting groove.
[0007] Furthermore, the connecting sleeve and the base are integrally formed.
[0008] Furthermore, the inner side of the base is in contact with the SMD LED, and the base is made of a high thermal conductivity material.
[0009] Furthermore, a plurality of heat dissipation strips are arranged on the outer side of the base.
[0010] The beneficial effects of the utility model are:
[0011] In practical applications, the light guide column is detachably connected to the base by tightening the external thread and the internal thread, so that a sealed accommodation space is formed between the circuit board, the base and the light guide column, and the SMD LED is welded in the accommodation space, which effectively prevents the sealant from entering between the LED and the light guide column during glue pouring. The utility model can effectively prevent the sealant from entering between the LED and the light guide column during glue pouring, thereby ensuring the light guiding effect of the light guide column. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a structural schematic diagram of the utility model;
[0013] Figure 2 It is a top view of the utility model after assembly;
[0014] Figure 3 yes Figure 2 The cross-sectional view at AA in the middle;
[0015] Reference numerals: circuit board 1; SMD LED 2; base 3; connecting sleeve 31; external thread 311; annular accommodating groove 32; annular abutting groove 33; sealing ring 34; heat dissipation guide strip 35; light guide column 4; blind hole 41; annular protrusion 42. DETAILED DESCRIPTION
[0016] like Figure 1 , Figure 2 and Figure 3 As shown, a light guide column installation structure for a circuit board includes a circuit board 1, a patch LED 2 welded on the circuit board 1, a base 3 sleeved on the patch LED 2, and a light guide column 4 detachably connected to the base 3 at the bottom end, the bottom end of the base 3 is sealed and welded to the circuit board 1, and a sealed accommodating space is formed between the circuit board 1, the base 3 and the light guide column 4, and the patch LED 2 is arranged in the accommodating space; a connecting sleeve 31 is provided on the base 3, and an external thread 311 is provided on the connecting sleeve 31, and a blind hole 41 is provided at the bottom end of the light guide column 4, and an internal thread screwed to the external thread 311 is provided on the inner side wall of the blind hole 41.
[0017] By tightening the external thread 311 with the internal thread, the light guide column 4 is detachably connected to the base 3, so that a sealed accommodation space is formed between the circuit board 1, the base 3 and the light guide column 4, and the SMD LED 2 is welded in the accommodation space, which effectively prevents the sealant from entering between the LED and the light guide column 4 during glue pouring; the utility model can effectively prevent the sealant from entering between the LED and the light guide column 4 during glue pouring, thereby ensuring the light guiding effect of the light guide column 4.
[0018] like Figure 1 , Figure 2 and Figure 3As shown, an annular protrusion 42 is provided at the bottom end of the light guide column 4, an annular accommodating groove 32 is provided on the base 3, and an annular abutting groove 33 is provided at the bottom of the annular accommodating groove 32 opposite to the annular protrusion 42, and a sealing ring 34 is provided in the annular abutting groove 33, and when the external thread 311 is tightened with the internal thread, the annular protrusion 42 presses the sealing ring 34 in the annular abutting groove 33; in this embodiment, by tightening the external thread 311 with the internal thread, the annular protrusion 42 presses the sealing ring 34 in the annular abutting groove 33, thereby improving the sealing effect between the light guide column 4 and the base 3, and preventing the sealant from entering between the LED and the light guide column 4 during glue pouring.
[0019] like Figure 1 , Figure 2 and Figure 3 As shown, the connecting sleeve 31 is integrally formed with the base 3; in this embodiment, when the connecting sleeve 31 is integrally formed with the base 3, the production cost is lower.
[0020] like Figure 1 , Figure 2 and Figure 3 As shown, the inner side of the base 3 is fitted with the SMD LED 2, and the base 3 is made of a high thermal conductivity material. In this embodiment, since the SMD LED 2 will emit a large amount of heat when in use, the continuous inability to dissipate the heat will affect the service life of the SMD LED 2. The base 3 made of a high thermal conductivity material can guide the heat emitted by the SMD LED 2 out, assist the SMD LED 2 in dissipating heat, and extend the service life of the SMD LED 2.
[0021] like Figure 1 , Figure 2 and Figure 3 As shown, a plurality of heat dissipation strips 35 are arranged on the outer side of the base 3; in this embodiment, the heat dissipation area of the base 3 can be increased by the plurality of heat dissipation strips 35 on the outer side of the base 3, thereby helping to achieve a better heat dissipation effect.
[0022] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the scope defined by the spirit of the present invention.
Claims
1. A light guide column installation structure for a circuit board, characterized in that: It comprises a circuit board (1), a chip LED (2) welded on the circuit board (1), a base (3) sleeved on the chip LED (2), and a light guide column (4) whose bottom end is detachably connected to the base (3); the bottom end of the base (3) is sealed and welded to the circuit board (1); a sealed accommodation space is formed between the circuit board (1), the base (3) and the light guide column (4); and the chip LED (2) is arranged in the accommodation space; The base (3) is provided with a connecting sleeve (31), the connecting sleeve (31) is provided with an external thread (311), the bottom end of the light guide column (4) is provided with a blind hole (41), and the inner side wall of the blind hole (41) is provided with an internal thread screwed to the external thread (311).
2. A light guide column installation structure for a circuit board according to claim 1, characterized in that: The bottom end of the light guide column (4) is provided with an annular protrusion (42), the base (3) is provided with an annular accommodating groove (32), the bottom of the annular accommodating groove (32) is provided with an annular abutting groove (33) directly opposite to the annular protrusion (42), a sealing ring (34) is provided in the annular abutting groove (33), and when the external thread (311) is tightened with the internal thread, the annular protrusion (42) presses the sealing ring (34) tightly in the annular abutting groove (33).
3. A light guide column installation structure for a circuit board according to claim 2, characterized in that: The connecting sleeve (31) and the base (3) are integrally formed.
4. The light guide column installation structure for a circuit board according to claim 1, characterized in that: The inner side of the base (3) is in contact with the SMD LED (2), and the base (3) is made of a high thermal conductivity material.
5. The light guide column installation structure for a circuit board according to claim 4, characterized in that: A plurality of heat dissipation guide strips (35) are arranged on the outer side of the base (3).