CN217387682U - Glue dispensing and sealing structure - Google Patents

Abstract

The utility model discloses a glue is glued and is glued structure relates to a glue structure, including connecting piece, PCBA, board end connector and encapsulating glue layer, wherein, the connecting piece includes the middle part structure and locates the peripheral structure of the outer fringe of middle part structure, the muscle groove has been seted up to one side lower extreme of peripheral structure, the encapsulating groove has been seted up to one side upper end of peripheral structure, be equipped with a plurality of terminals on the board end connector, the board end connector is located the muscle inslot and is riveted the connection in muscle groove heat, a plurality of terminals pass peripheral structure and are located the encapsulating inslot, PCBA seals at the encapsulating inslot through the encapsulating glue layer, a plurality of terminals pass PCBA. The utility model discloses in provide a need not the secondary and mould plastics, but the working of plastics structure of direct assembly glue seals is connected the back and seals through the encapsulating glue layer with PCBA through the terminal on the board end connector, board end connector and muscle groove interference fit prevent effectively that glue high temperature curing in-process viscosity from reducing, flows in two part fitting surface gaps.

Description

Glue dispensing and sealing structure

Technical Field

The utility model relates to a glue the structure, especially relate to a glue is glued and is glued structure.

Background

With the rapid growth of consumer electronics, automotive electronics, and communication terminal markets, the variety and technology of connectors have been fully developed. In the design of connectors, excellent electrical, mechanical and environmental properties are required at the same time.

The existing connector component can realize sealing only by low-pressure injection molding or secondary injection molding, and has complex manufacturing procedures and low production efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a glue is glued and is glued structure for solve above-mentioned technical problem.

The utility model adopts the technical scheme as follows:

the utility model provides a glue is glued and is glued structure, a serial communication port, including connecting piece, PCBA and board end connector, wherein, the connecting piece includes the middle part structure and locates the peripheral structure of the outer fringe of middle part structure, the muscle groove has been seted up to one side lower extreme of peripheral structure, the encapsulating groove has been seted up to one side upper end of peripheral structure, be equipped with a plurality of terminals on the board end connector, the board end connector is located the muscle inslot and with the connection is riveted to the muscle groove heat, and is a plurality of the terminal passes peripheral structure is located the encapsulating inslot, PCBA is sealed through the encapsulating glue layer the encapsulating inslot, and is a plurality of the terminal passes PCBA.

Preferably, a plurality of jacks are formed in the PCBA, each terminal penetrates through one jack, and the PCBA is fixed in the glue pouring groove through the glue pouring layer.

Preferably, the outer edge of the PCBA is in clearance fit with the inner wall of the glue pouring groove.

Preferably, the PCBA is fixed in the glue pouring groove through hot riveting.

Preferably, the PCBA is further provided with a plurality of riveting holes, the bottom wall of the glue pouring groove is provided with riveting columns, and the riveting columns are used for fixing the PCBA in the glue pouring groove.

Preferably, the outer edge of the peripheral structure is provided with a plurality of reinforcing plates.

Preferably, a fixing plate is arranged at the upper end of the plate end connector, and the terminals are fixed on the plate end connector through the fixing plate.

Preferably, the rib groove is internally provided with a yielding groove, and the shape of the yielding groove is matched with that of the fixing plate.

More preferably, the PCBA is provided with at least one spot gluing hole.

Preferably, the central structure and the peripheral structure are integrally formed by injection molding.

The technical scheme has the following advantages or beneficial effects:

the utility model provides a need not the secondary and mould plastics, but plastic parts structure of direct assembly glue seals is riveted through the muscle groove heat on board end connector and the connecting piece and is connected, and the terminal on the board end connector is connected the back and seals fixedly through the encapsulating glue film with PCBA, PCBA and encapsulating groove clearance fit, board end connector and muscle groove interference fit prevent effectively that glue high temperature curing in-process viscosity from reducing simultaneously, flow from two part fitting surface gaps.

Drawings

Fig. 1 is a schematic structural view of a dispensing and sealing structure of the present invention;

FIG. 2 is an exploded view of the dispensing and sealing structure of the present invention;

fig. 3 is a schematic structural diagram of a connecting member according to the present invention;

fig. 4 is a schematic structural diagram of a plate end connector according to the present invention;

fig. 5 is a schematic structural diagram of the PCBA in the present invention.

In the figure: 1. a connecting member; 11. a middle structure; 12. a peripheral structure; 13. a rib groove; 14. a glue pouring groove; 15. a reinforcing plate; 16. a yielding groove; 2. PCBA; 21. a jack; 22. riveting holes; 23. riveting the column; 24. dispensing holes; 3. a plate end connector; 31. a terminal; 32. a fixing plate; 4. and (6) encapsulating the adhesive layer.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, the indicated orientation or positional relationship thereof is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, but does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

FIG. 1 is a schematic structural view of a dispensing and sealing structure of the present invention; FIG. 2 is an exploded view of the dispensing and sealing structure of the present invention; fig. 3 is a schematic structural diagram of a connecting member according to the present invention; fig. 4 is a schematic structural diagram of a plate-end connector according to the present invention; fig. 5 is a schematic diagram of a PCBA structure in the present invention, please refer to fig. 1 to 5, which illustrates an embodiment of a preferred structure, a glue dispensing and sealing structure is illustrated, which includes a connecting member 1, PCBA2, a board end connector 3 and a potting adhesive layer 4, wherein the connecting member 1 includes a middle structure 11 and a peripheral structure 12 disposed at an outer edge of the middle structure 11, a rib groove 13 is disposed at a lower end of one side of the peripheral structure 12, a potting adhesive groove 14 is disposed at an upper end of one side of the peripheral structure 12, a plurality of terminals 31 are disposed on the board end connector 3, the board end connector 3 is disposed in the rib groove 13 and is connected to the rib groove 13 by hot riveting, the plurality of terminals 31 pass through the peripheral structure 12 and are disposed in the potting adhesive groove 14, the PCBA2 is sealed in the potting adhesive groove 14 by the potting adhesive layer 4, and the plurality of terminals 31 pass through the PCBA 2. In this embodiment, as shown in fig. 2, the central structure 11 is a cylindrical structure, and the peripheral structure 12 is an annular structure, wherein the central structure 11 and the peripheral structure 12 are integrally formed by injection molding. In this embodiment, the shape phase-match of plate end connector 3 and muscle groove 13, and plate end connector 3 and 13 interference fit of muscle groove are connected through hot riveting, can effectually avoid in the glue high temperature curing process to flow out by the gap between the two.

Further, as a preferred embodiment, PCBA2 is provided with a plurality of insertion holes 21, each terminal 31 passes through one of the insertion holes 21, and PCBA2 is fixed in the potting groove 14 by the potting adhesive layer 4. In this embodiment, as shown in fig. 1, after the terminal 31 passes through the insertion hole 21, glue is filled.

Further, as a preferred embodiment, the outer edge of the PCBA2 is clearance fit with the inner wall of the glue groove 14. Wherein, glue can enter into in the clearance between PCBA2 and the encapsulating groove 14, realizes PCBA2 and encapsulating groove 14 fixed, and will form encapsulating glue layer 4 after the glue solidification of PCBA2 upside, and encapsulating glue layer 4 can be with the complete sealing of PCBA2 in encapsulating groove 14 to form a complete working of plastics structure, need not the secondary and mould plastics, but direct assembly, the process is simple, can improve production efficiency.

Further, as a preferred embodiment, the PCBA2 is secured within the potting bath 14 by heat staking.

Further, as a preferred embodiment, the PCBA2 is further provided with a plurality of rivet holes 22, and the bottom wall of the glue groove is provided with rivet posts 23, and the rivet posts 23 are used for fixing the PCBA2 in the glue groove 14. In this embodiment, the plate-end connector 3 is first heat-riveted and fixed in the rib groove 13, then the PCBA2 is fixed in the potting groove 14, so that the terminal 31 passes through the insertion hole 21 on the PCBA2, then the PCBA2 is fixed in the potting groove 14 through the riveting column 23, then the PCBA2 is heat-riveted in the potting groove 14, and finally the potting adhesive layer 4 is formed by potting. And through the setting of riveting post 23, can fix a position PCBA2 through riveting post 23 earlier, be convenient for subsequent operation such as hot riveting and encapsulating. In this embodiment, at least three rivet posts 23 are provided, as shown in FIG. 3, wherein one of the rivet posts 23 is provided with heat staking holes on both sides, and after PCBA2 is assembled in the glue bath 14 via the rivet posts 23, PCBA2 is then heat staked in the glue bath 14 at the location of the heat staking holes.

Further, as a preferred embodiment, a plurality of reinforcing plates 15 are further included, and a plurality of reinforcing plates 15 are disposed on the outer edge of the peripheral structure 12. In this embodiment, the reinforcing plate 15 is provided to improve the overall strength of the peripheral structure 12, and the specific structure of the peripheral structure 12 can be seen in fig. 3.

Further, as a preferred embodiment, a fixing plate 32 is provided at the upper end of the plate end connector 3, and the plurality of terminals 31 are fixed to the plate end connector 3 by the fixing plate 32. In this embodiment, the fixing plate 32 is provided to fix the terminal 31, which can increase the stability of the terminal 31.

Further, as a preferred embodiment, a yielding groove 16 is formed in the rib groove 13, and the shape of the yielding groove 16 is matched with that of the fixing plate 32. In this embodiment, the fixing plate 32 is fixed in the receding groove 16.

Further, as a preferred embodiment, at least one dispensing hole 24 is formed in the PCBA2, and the dispensing hole 24 is formed to facilitate the glue to enter the bottom of the PCBA2 through the dispensing hole 24.

The utility model discloses in, when the equipment, earlier assembly connection spare 1 and board end connector 3, then fix PCBA2 in encapsulating groove 14 through riveting post 23, and carry out hot riveting between PCBA2 and the encapsulating groove 14, glue is poured into at PCBA2 at last, the glue part enters into in the clearance between PCBA2 and the encapsulating groove 14, and the part enters into PCBA 2's bottom through dispensing hole 24, remaining part forms encapsulating glue layer 4 at PCBA 2's upside, the equipment is accomplished at last.

The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.

Claims (10)

1. The utility model provides a glue is glued and is glued structure, a serial communication port, including connecting piece, PCBA and board end connector, wherein, the connecting piece includes the middle part structure and locates the peripheral structure of the outer fringe of middle part structure, the muscle groove has been seted up to one side lower extreme of peripheral structure, the encapsulating groove has been seted up to one side upper end of peripheral structure, be equipped with a plurality of terminals on the board end connector, the board end connector is located the muscle inslot and with the connection is riveted to the muscle groove heat, and is a plurality of the terminal passes peripheral structure is located the encapsulating inslot, PCBA is sealed through the encapsulating glue layer the encapsulating inslot, and is a plurality of the terminal passes PCBA.

2. The dispensing package structure of claim 1, wherein the PCBA has a plurality of insertion holes, each of the terminals passes through one of the insertion holes, and the PCBA is fixed in the potting groove by the potting adhesive layer.

3. The dispensing package structure of claim 1, wherein an outer edge of the PCBA is in clearance fit with an inner wall of the potting groove.

4. The glue dispensing package structure of claim 1, wherein the PCBA is fixed in the glue pouring groove by thermal riveting.

5. The glue dispensing and sealing structure as claimed in claim 4, wherein the PCBA further has a plurality of riveting holes, and the bottom wall of the glue pouring groove has riveting posts for fixing the PCBA in the glue pouring groove.

6. The structure of claim 1, further comprising a plurality of reinforcing plates, wherein the plurality of reinforcing plates are disposed on the outer edge of the peripheral structure.

7. The adhesive dispensing structure of claim 1, wherein a fixing plate is disposed at an upper end of the board-end connector, and the terminals are fixed to the board-end connector through the fixing plate.

8. The adhesive dispensing structure of claim 7, wherein a recess is formed in the rib groove, and the recess is shaped to match the shape of the fixing plate.

9. The structure of claim 7, wherein the PCBA has at least one dispensing hole.

10. The adhesive dispensing structure of claim 1, wherein the central structure and the peripheral structure are integrally formed by injection molding.

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