CN217928633U - Sealing structure of light guide column - Google Patents
Sealing structure of light guide column Download PDFInfo
- Publication number
- CN217928633U CN217928633U CN202220502488.8U CN202220502488U CN217928633U CN 217928633 U CN217928633 U CN 217928633U CN 202220502488 U CN202220502488 U CN 202220502488U CN 217928633 U CN217928633 U CN 217928633U
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- circuit board
- printed circuit
- leaded light
- light guide
- sealing ring
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Abstract
The utility model discloses a leaded light post seals glue structure, which comprises a housin, printed circuit board, input/output connects, LED lamp and leaded light post, a plurality of LED lamps and a plurality of input/output connect fixed welding respectively on printed circuit board, the input/output connects one side of locating of LED lamp one-to-one, a plurality of leaded light post one end fixed mounting is on the casing, the leaded light post other end tightly supports the printed circuit board surface, be equipped with the LED standing groove on the terminal surface of the leaded light post other end, the last LED lamp of printed circuit board just can hold in the LED standing groove, the casing is fixed to be covered on the printed circuit board surface, form confined space between casing inside wall and the printed circuit board, this confined space intussuseption is filled with sealed glue, leaded light post other end circumference outside is equipped with the round sealing ring, the sealing ring passes through interference fit in close contact with the printed circuit board surface, the utility model discloses easy to assemble, product cost is low, realize the safeguard function of product under the prerequisite of light source normal transmission.
Description
Technical Field
The present invention relates to an electrical connector or a connector of a terminal block, and more particularly to a sealing structure of a light guide pillar.
Background
Welding paster LED on the PCB board, a sealing washer of paster LED upper cover, the leaded light post oppression is leveled with paster LED on the sealing washer, behind IO module shell encapsulating, oppress the sealing washer through the leaded light post, reach and prevent sealed purpose that gets into between LED and the leaded light post, seal the glue through interference fit or adoption sealing washer between leaded light post head and the casing, prevent sealed glue from flowing out between casing and leaded light post, this kind of mode equipment is inconvenient, and the condition of leaking glue appears easily, lead to IO module inefficacy.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model provides a leaded light post seals glue structure, this leaded light post seals glue simple structure, and the equipment of being convenient for, the cost of manufacture is low, and sealed tight, the condition of leaking glue can not appear.
The utility model discloses a solve the technical scheme that its technical problem adopted: the utility model provides a leaded light post seals glue structure, includes casing, printed circuit board, input/output joint, LED lamp and leaded light post, and a plurality of LED lamps and a plurality of input/output joint difference fixed welding are on printed circuit board, LED lamp one-to-one locate input/output joint one side, and a plurality of leaded light post one end fixed mounting is on the casing, the leaded light post other end tightly supports printed circuit board surface, is equipped with the LED standing groove on the terminal surface of the leaded light post other end, the last LED lamp of printed circuit board just can hold in the LED standing groove, the casing is fixed to be covered on printed circuit board surface, forms confined space between casing inside wall and the printed circuit board, and this confined space intussuseption is filled with sealed glue, the leaded light post other end circumference outside is equipped with the round sealing ring, the sealing ring passes through interference fit in close contact with printed circuit board surface.
As a further improvement of the utility model, form round annular between sealing ring inside wall and the leaded light post circumference lateral wall and overflow gluey groove.
As a further improvement, the sealing ring is the integrated into one piece structure with the leaded light post, and the sealing ring inside wall forms the inclined plane structure that has the contained angle with vertical direction, and this inclined plane structure makes the sealing ring attenuate gradually towards the thickness formation of printed circuit board one end.
As a further improvement, the sealing ring forms the indent cambered surface that the round corresponds with inboard inclined plane structure incline direction on printed circuit board one end circumference lateral wall, the indent cambered surface sets up with the sealing ring circumference lateral wall is tangent.
As the utility model discloses a further improvement, be equipped with a plurality of leaded light erection columns on the casing bottom surface, be formed with the leaded light erection column hole in the leaded light erection column, the leaded light post is kept away from that printed circuit board one end is inseparable to be inserted and is located the leaded light post downthehole, still is equipped with bellied backstop piece on the leaded light post circumference lateral wall, backstop piece backstop is on leaded light erection column terminal surface.
As a further improvement, the spaced convex rib of at least round that is equipped with on the lateral wall of leaded light post one end circumference, the downthehole lateral wall transition of convex rib and leaded light post or interference fit contact.
As a further improvement, be equipped with the joint hole that supplies input/output to connect to pass on the casing, sealed fixed being equipped with a sealing washer on the input/output connects circumference lateral wall, sealing washer and joint hole inside wall interference fit contact.
As a further improvement, be equipped with a plurality of screw fixation post on the casing inboard bottom surface, be formed with the screw hole on the screw fixation post, be equipped with a plurality of screw perforation on the printed circuit board, wear to be equipped with the connecting screw in each screw perforation, connecting screw head portion backstop is fixed in printed circuit board dorsad casing side surface, the screw hole spiro union on the double-screw bolt of connecting screw and the screw fixation post.
As a further improvement, the bottom surface of the inner side of the shell is provided with a plurality of raised limit posts, and the surface of the printed circuit board is stopped on each limit post end surface.
The beneficial effects of the utility model are that: the utility model discloses a sealing ring and the cooperation of printed circuit board of peripheral body structure of leaded light post prevent that the sealant from flowing to the LED surface, influence the transmission of light source to through the cooperation structure of leaded light post and casing, prevent sealed glue from flowing from leaded light post, reach the guard action of IO module, the utility model discloses easy to assemble, the product is with low costs, realizes the safeguard function of product under the prerequisite of the normal transmission of light source.
Drawings
Fig. 1 is an exploded perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of the structure of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is a perspective view of the housing of the present invention;
fig. 5 is a perspective view of the printed circuit board of the present invention;
fig. 6 is a perspective view of the input/output connector of the utility model;
fig. 7 is a perspective view of LEDs and the like of the present invention;
fig. 8 is a light guide pillar view of the present invention.
Detailed Description
Example (b): the utility model provides a leaded light post 5 seals glue structure, includes casing 1, printed circuit board 2, input/output joint 3, LED lamp 4 and leaded light post 5, and a plurality of LED lamps 4 and a plurality of input/output joint 3 fixed welding respectively are on printed circuit board 2, and the 3 one side of input/output joint of locating of LED lamp 4 one-to-one, a plurality of 5 one ends fixed mounting of leaded light post are on casing 1, the 5 other end of leaded light post tightly supports printed circuit board 2 surface, is equipped with LED standing groove 51 on the terminal surface of the 5 other ends of leaded light post, LED lamp 4 on the printed circuit board 2 just can hold in LED standing groove 51, casing 1 is fixed to be covered in printed circuit board 2 surface, forms confined space between 1 inside wall of casing and the printed circuit board 2, and this confined space intussuseption is filled with sealed glue, the 5 other end circumference outsides of leaded light post are equipped with round sealing ring 52, sealing ring 52 passes through interference fit in close contact with printed circuit board 2 surface.
When the printed circuit board 2 is fixed on the casing 1, the sealing ring 52 on the light guide column 5 is in tight contact with the printed circuit board 2 to form interference fit, at the moment, the LED lamp 4 is positioned in the printed circuit board 2 and the closed space formed by the LED placing groove 51 on the light guide column 5, and when the casing 1 is filled with the sealant, the sealant cannot enter the LED placing groove 51 of the light guide column 5, so that the transmission of a light source cannot be influenced.
A ring-shaped glue overflow groove 53 is formed between the inner side wall of the sealing ring 52 and the circumferential outer side wall of the light guide column 5. When the sealing ring 52 on the light guide column 5 is not good with the airtight effect of the printed circuit board 2, the sealant permeating into the sealing ring 52 flows into the annular glue overflowing groove 53 in the light guide column 5 to carry out double protection on the LED lamp 4, and the sealant can not overflow into the LED placing groove 51 to achieve the sealing effect.
The sealing ring 52 forms a circle of concave cambered surface corresponding to the inclined direction of the inner side inclined plane structure on the circumferential outer side wall of one end, facing the printed circuit board 2, and the concave cambered surface is arranged in a tangent mode with the circumferential outer side wall of the sealing ring 52. By forming the concave arc surface on the outer side wall of one end of the sealing ring 52 close to the printed circuit board 2, when the sealing ring 52 is in contact elastic deformation with the printed circuit board 2, the elastic deformation direction is guided, so that the printed circuit board 2 is ensured to keep a stable sealing contact state.
Be equipped with a plurality of leaded light erection columns on the casing 1 bottom surface, be formed with leaded light post hole 13 in the leaded light erection column, leaded light post 5 keeps away from printed circuit board 2 one end inseparable inserting and locates in leaded light post hole 13, still is equipped with bellied backstop piece 54 on the leaded light post 5 circumference lateral wall, backstop piece 54 backstop is on leaded light erection column terminal surface. The light guide column 5 is inserted into the light guide column hole 13 of the shell 1 through interference fit, fixed installation of the light guide column 5 is achieved, a sealing effect is formed through interference fit, sealant is prevented from overflowing, when the light guide column 5 is inserted into the light guide column hole 13 and assembled with the shell 1, the stop block 54 on the light guide column 5 is limited when being in contact with the light guide installation column, and the light guide column 5 is prevented from being installed too deeply.
At least one circle of convex ribs 55 are arranged on the outer side wall of the circumference of one end of the light guide column 5 at intervals, and the convex ribs 55 are in transition or interference fit contact with the inner side wall of the light guide column hole 13. Form sealing contact through protruding muscle 55 and the contact of light guide post hole 13 on the 5 one end circumference lateral wall of leaded light post, avoid simultaneously that the whole lateral wall of leaded light post 5 and the contact friction of 13 inside walls in light guide post hole are too big, and the installation of the leaded light post 5 of being convenient for of this structure and sealed location.
The casing 1 is provided with a joint hole 14 for the input/output joint 3 to pass through, the outer side wall of the circumference of the input/output joint 3 is fixedly provided with a sealing ring 31 in a sealing way, and the sealing ring 31 is in interference fit contact with the inner side wall of the joint hole 14. The joint hole 14 is a stepped hole having an inner diameter larger toward one end of the printed circuit board 2 than toward one end of the bottom surface of the housing 1, the seal ring 31 can be accommodated inside the end of the joint hole 14 having a larger inner diameter, and the seal ring 31 abuts against the stepped surface of the joint hole 14.
Be equipped with a plurality of screw fixation post 11 on the inboard bottom surface of casing 1, be formed with the screw hole on the screw fixation post 11, be equipped with a plurality of screw perforation on the printed circuit board 2, wear to be equipped with connecting screw 6 in each screw perforation, connecting screw 6 head backstop is in printed circuit board 2 surface of one side of casing 1 dorsad, and the double-screw bolt of connecting screw 6 is fixed with the screw hole spiro union on the screw fixation post 11.
A plurality of raised limiting columns 12 are further arranged on the bottom surface of the inner side of the shell 1, and the surface of the printed circuit board 2 is stopped on the end surface of each limiting column 12. When casing 1 assembles with printed circuit board 2, contact through spacing post 12 and 2 surfaces of printed circuit board and block, realize spacing to printed circuit board 2, ensure that the circuit board keeps leveling in casing 1, guarantee circuit board and 1 inside wall of casing sealed stability.
Claims (9)
1. The utility model provides a leaded light post seals glue structure, includes casing (1), printed circuit board (2), input/output joint (3), LED lamp (4) and leaded light post (5), and fixed welding is on printed circuit board respectively for a plurality of LED lamps and a plurality of input/output joint, LED lamp one-to-one locate input/output joint one side, and a plurality of leaded light post one end fixed mounting is on the casing, the leaded light post other end tightly supports the printed circuit board surface, is equipped with LED standing groove (51) on the terminal surface of the leaded light post other end, the last LED lamp of printed circuit board just can hold in the LED standing groove, the casing is fixed to be covered on the printed circuit board surface, forms confined space between casing inside wall and the printed circuit board, and this confined space intussuseption is filled with sealed glue, its characterized in that: and a circle of sealing ring (52) is arranged on the outer side of the circumference of the other end of the light guide column, and the sealing ring is in tight contact with the surface of the printed circuit board through interference fit.
2. The light guide pillar encapsulant structure of claim 1, wherein: and a ring of annular glue overflow groove (53) is formed between the inner side wall of the sealing ring and the circumferential outer side wall of the light guide column.
3. The light guide pillar encapsulant structure according to claim 1 or 2, wherein: the sealing ring and the light guide column are of an integrally formed structure, the inner side wall of the sealing ring forms an inclined plane structure with an included angle in the vertical direction, and the inclined plane structure enables the thickness of the sealing ring towards one end of the printed circuit board to be gradually thinned.
4. The light guide pillar encapsulant structure of claim 3, wherein: the sealing ring is provided with a circle of concave cambered surface corresponding to the inclined direction of the inner side inclined plane structure and formed on the circumferential outer side wall of one end, facing the printed circuit board, of the sealing ring, and the concave cambered surface is arranged in a tangent mode with the circumferential outer side wall of the sealing ring.
5. The light guide pillar encapsulant structure of claim 1, wherein: be equipped with a plurality of leaded light erection columns on the casing bottom surface, be formed with leaded light post hole (13) in the leaded light erection column, it is downthehole that printed circuit board one end is kept away from to the leaded light post is inseparable to insert and locates the leaded light post, still is equipped with bellied backstop piece (54) on the leaded light post circumference lateral wall, the backstop piece stops on leaded light erection column terminal surface.
6. The light guide pillar encapsulant structure of claim 5, wherein: at least one circle of convex ribs (55) are arranged on the circumferential outer side wall of one end of the light guide column at intervals, and the convex ribs are in transition or interference fit contact with the inner wall of the light guide column hole.
7. The light guide pillar encapsulant structure of claim 1, wherein: the shell is provided with a joint hole (14) for the input and output joint to pass through, the outer side wall of the circumference of the input and output joint is fixedly provided with a sealing ring (31) in a sealing way, and the sealing ring is in interference fit contact with the inner side wall of the joint hole.
8. The light guide pillar encapsulant structure of claim 1, wherein: the novel screw driver is characterized in that a plurality of screw fixing columns (11) are arranged on the bottom surface of the inner side of the shell, threaded holes are formed in the screw fixing columns, a plurality of screw through holes are formed in the printed circuit board, connecting screws (6) penetrate through the screw through holes, the heads of the connecting screws stop on the surface of one side, back to the shell, of the printed circuit board, and the studs of the connecting screws are fixed with the threaded holes in the screw fixing columns in a threaded mode.
9. The light guide pillar encapsulant structure of claim 1 or 8, wherein: a plurality of raised limiting columns (12) are further arranged on the bottom surface of the inner side of the shell, and the surface of the printed circuit board is stopped on the end faces of the limiting columns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220502488.8U CN217928633U (en) | 2022-03-08 | 2022-03-08 | Sealing structure of light guide column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220502488.8U CN217928633U (en) | 2022-03-08 | 2022-03-08 | Sealing structure of light guide column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217928633U true CN217928633U (en) | 2022-11-29 |
Family
ID=84146511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220502488.8U Active CN217928633U (en) | 2022-03-08 | 2022-03-08 | Sealing structure of light guide column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217928633U (en) |
-
2022
- 2022-03-08 CN CN202220502488.8U patent/CN217928633U/en active Active
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| GR01 | Patent grant |