CN212907288U - Network filter structure formed by secondary injection molding and encapsulation - Google Patents

Abstract

The utility model discloses a secondary rubber coating injection moulding's network filter structure, including lid and base member, solenoid is evenly installed to base member inside, just be provided with the terminal on the base member curb plate of solenoid both sides, the base member both sides are protruding wall, are provided with horizontal recess directly over the protruding wall, the inside cavity that is formed with of base member, just the bottom of base member cavity is provided with the cavity bottom plate, the upper surface of cavity bottom plate is provided with the post, just solenoid is installed in the outside of post, the inside baffle vallecular cavity that is provided with of base member cavity of post one side, just baffle vallecular cavity internally mounted has solenoid. The utility model provides a technical scheme, through the secondary rubber coating joint mode of moulding plastics with a lid parcel and base member on, make solenoid closed with the base member in, can protect the unable contact magnetic coil of foreign matter and disturb solenoid like this, guarantee that the product is stable, improved production efficiency, reduced manufacturing cost.

Description

Network filter structure formed by secondary injection molding and encapsulation

Technical Field

The utility model relates to a network filter technical field specifically is a secondary injection molding rubber coating shaping's network filter structure.

Background

Filters are often used in electronic circuits, which are mainly composed of a plurality of electromagnetic coils, and when the filters are used, the current input ends and the current output ends of the electromagnetic coils are respectively connected into the circuits, so that in order to avoid short circuit between the electromagnetic coils and other parts, the electromagnetic coils are usually placed in a base body cavity, but impurities or other substances can be in short circuit with the electromagnetic coils in the filters due to the fact that the base body is provided with an opening.

In order to overcome the problem, the prior method is to fill resin, namely, the resin is filled in the inner cavity of the matrix, and the electromagnetic coil is wrapped to isolate the electromagnetic coil from contacting with the outside. Therefore, we propose a network filter structure formed by two-time injection molding and encapsulation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a secondary injection molding rubber coating shaping's network filter structure to solve the not enough problem that exists in the present product that above-mentioned background art provided, provide simple structure, network filter structure that production efficiency is high.

In order to achieve the above object, the utility model provides a following technical scheme:

a network filter structure formed by secondary injection molding and encapsulation comprises a cover body and a base body, wherein electromagnetic coils are uniformly arranged in the base body, terminals are arranged on the side plates of the base body at the two sides of the electromagnetic coil, convex walls are arranged at the two sides of the base body, a transverse groove is arranged right above the convex walls, a vertical groove is arranged in the convex wall at one side of the transverse groove, a groove II is arranged on the reverse side of the bottom of the base body, grooves III are arranged on two sides of the reverse side of the bottom of the base body, a cavity is formed in the base body, a cavity bottom plate is arranged at the bottom of the cavity of the base body, pillars are arranged on the upper surface of the cavity bottom plate, and the outer side of the post is provided with an electromagnetic coil, a partition board groove cavity is arranged in the base body cavity at one side of the post, and an electromagnetic coil is arranged in the partition plate groove cavity, and grooves I are formed in two sides of the partition plate groove cavity.

Preferably, a cover body is arranged on the periphery of the base body, and the cover body and the base body are fused and jointed into an integral structure through the cover body formed by secondary injection molding and encapsulation.

Preferably, the adjacent position of the terminal is provided with a first transverse break, a second transverse break, a first vertical break and a third transverse break, the terminal is sequentially connected with the bottom surfaces of the third transverse break, the first vertical break, the second transverse break, the first transverse break and the first transverse break from bottom to top, and the top surface of the second transverse break is provided with a clamping groove for parallel clamping and bonding welding of an enameled wire.

Preferably, the terminals are of T-shaped double-layer folding structures, the terminals are respectively arranged between two side walls of the cavity bottom plate, and multiple groups of the terminals are uniformly distributed along the length direction between the two side walls.

Preferably, the terminals are provided with a plurality of PIN series such as general 4PIN, 8PIN, 12PIN, 16PIN, 24PIN, 32PIN, 40PIN, 48PIN, 50PIN and the like so as to form corresponding series network filter products.

Preferably, the top end of the cover body is provided with a cover plate, and the cover plate is internally provided with a concave circle.

Preferably, the cover body and the base body are made of LCP materials, and are made of thermoplastic materials.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a technical scheme, through the secondary on moulding plastics rubber coating joint mode with a lid parcel and base member, make solenoid closed with the base member in, can protect the unable contact magnetic coil of foreign matter and disturb solenoid like this, guarantee that the product is stable, improved production efficiency, reduced manufacturing cost, because of having installed solenoid after, only need get the base member solenoid that the base member adorned through the secondary mould plastics the lid that the rubber coating formed and the base member fuse the joint can together.

Drawings

FIG. 1 is a schematic structural view of a secondary injection molding cover body of the present invention;

FIG. 2 is a schematic view of the bottom structure of the cover plate of the present invention;

FIG. 3 is a schematic view of a one-shot injection molding base structure of the present invention;

FIG. 4 is a schematic structural view of a groove II and a groove III of the present invention;

FIG. 5 is a schematic view of the structure of the vertical groove and the pillar of the present invention;

fig. 6 is a schematic sectional view of the present invention.

Reference numbers in the figures: 1. a cover body; 2. an electromagnetic coil; 3. a terminal; 301. a first transverse cut; 302. a second transverse cut; 303. a first vertical break; 304. a third transverse cut; 4. a cavity bottom plate; 5. enamelled wires; 6. a separator slot cavity; 7. a transverse groove; 8. a groove I; 9. a groove II; 10. a groove III; 11. a column; 12. a cover plate; 13. a concave circle; 14. a substrate; 15. a vertical groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the mechanism of the present invention, not all embodiments. 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.

Referring to fig. 1-6, the present invention provides a technical solution: a network filter structure formed by secondary injection molding and encapsulation comprises a cover body 1 and a base body 14, wherein electromagnetic coils 2 are uniformly arranged in the base body 14, terminals 3 are arranged on side plates of the base body 14 on two sides of each electromagnetic coil 2, convex walls are arranged on two sides of the base body 14, a transverse groove 7 is arranged right above each convex wall, a vertical groove 15 is formed in each convex wall on one side of each transverse groove 7, a groove II 9 is formed in the reverse side of the bottom of the base body 14, grooves III 10 are formed in two sides of the reverse side of the bottom of the base body 14, a cavity is formed in each base body 14, a cavity bottom plate 4 is arranged at the bottom of the cavity of each base body 14, a column 11 is arranged on the upper surface of each cavity bottom plate 4, the electromagnetic coils 2 are arranged on the outer sides of the columns 11, each column 11 is used for installing the electromagnetic, the inside baffle vallecular cavity 6 that is provided with of 14 cavitys of post 11 one side, just 6 internally mounted in baffle vallecular cavity have solenoid 2, are convenient for install solenoid 2 and keep apart two solenoid 2 circular telegram density and short circuit phenomenon and jam-proof, recess I8 is seted up to the both sides of baffle vallecular cavity 6, and base 14 sets up horizontal recess 7, vertical recess 15, recess II 9, recess III 10 purpose be convenient for secondary injection moulding rubber coating lid 1 combines more firmly and sealed effect is better with base 14, wraps up solenoid 2, cuts off its and external contact.

The terminal comprises a base body 14, a cover body 1 is arranged on the periphery of the base body 14, the cover body 1 and the base body 14 are fused and connected into an integral structure through the cover body 1 formed by secondary injection molding and encapsulation, a first transverse break 301, a second transverse break 302, a first vertical break 303 and a third transverse break 304 are arranged at adjacent positions of a terminal 3, the terminal 3 is sequentially connected with the bottom surfaces of the third transverse break 304, the first vertical break 303, the second transverse break 302, the first transverse break 301 and the first transverse break 301 from bottom to top, a clamping groove for parallel clamping and welding of enameled wires 5 is formed in the top surface of the second transverse break 302, the terminal 3 is in a T-shaped double-layer folding structure, the terminal 3 is respectively arranged between two side walls of a cavity bottom plate 4, multiple groups of the terminal 3 are uniformly distributed along the length direction between the two side walls, and the terminal 3 is provided with universal 4PIN, 8PIN, 12PIN, 16PIN, 24PIN, 48PIN, a plurality of PIN series such as 50PIN to form and correspond a series of network filter products, the top of lid 1 is provided with apron 12, just concave circle 13 has been seted up to the inside of apron 12, can discern the first visual angle direction of base when being favorable to automatic operation, lid 1 and base member 14 material use the LCP material, are thermoplastic material.

The working principle is as follows: the utility model provides a technical scheme, on wrapping up a lid 1 parcel and base member 14 through the secondary rubber coating joint mode of moulding plastics, make solenoid 2 sealed with the base member 14 in, can protect the unable contact magnetic coil of foreign matter and disturb solenoid 2 like this, guarantee that the product is stable, and the production efficiency is improved, and the production cost is reduced, because of having installed solenoid 2 after, only need get the solenoid 2 that base member 14 adorned and fuse the joint through lid 1 and the base member that the secondary rubber coating that moulds plastics formed together can, the content of not doing detailed description in this description belongs to the prior art that technical personnel are known in the field.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalent technical features may be substituted for those in the embodiments.

Claims (7)

1. A network filter structure of two shot moulding rubber coating shaping, includes lid (1) and base member (14), its characterized in that: the electromagnetic coil is characterized in that the electromagnetic coil (2) is uniformly arranged in the base body (14), the terminals (3) are arranged on the side plates of the base body (14) on two sides of the electromagnetic coil (2), the two sides of the base body (14) are convex walls, the transverse groove (7) is arranged right above the convex walls, the vertical groove (15) is formed in the convex wall on one side of the transverse groove (7), the groove II (9) is formed in the reverse side of the bottom of the base body (14), the groove III (10) is formed in the two sides of the reverse side of the bottom of the base body (14), the cavity is formed in the base body (14), the cavity bottom plate (4) is arranged at the bottom of the cavity of the base body (14), the column (11) is arranged on the upper surface of the cavity bottom plate (4), the electromagnetic coil (2) is arranged on the outer side of the column (11), and the, and the electromagnetic coil (2) is arranged in the partition plate groove cavity (6), and grooves I (8) are formed in two sides of the partition plate groove cavity (6).

2. The two-shot over-molded network filter structure of claim 1, wherein: the periphery of the base body (14) is provided with the cover body (1), and the cover body (1) and the base body (14) which are formed by secondary injection molding and encapsulation are fused and jointed into an integral structure.

3. The two-shot over-molded network filter structure of claim 1, wherein: the terminal (3) adjacent position is provided with first horizontal disconnected (301), the horizontal disconnected (302) of second, first vertical disconnected (303) and the horizontal disconnected (304) of third, terminal (3) from bottom to top connects gradually the bottom surface that the horizontal disconnected (304) of third, first vertical disconnected (303), the horizontal disconnected (302) of second, first horizontal disconnected (301), the top surface that the horizontal disconnected (302) of second is provided with enameled wire (5) parallel card and closes welded draw-in groove.

4. The two-shot overmolded network filter structure of claim 3, wherein: the terminal (3) is of a T-shaped double-layer folding structure, the terminal (3) is arranged between two side walls of the cavity bottom plate (4) respectively, and multiple groups of the terminal (3) are uniformly distributed along the length direction between the two side walls.

5. The two-shot over-molded network filter structure of claim 1, wherein: the terminal (3) is provided with a plurality of PIN series such as general 4PIN, 8PIN, 12PIN, 16PIN, 24PIN, 32PIN, 40PIN, 48PIN, 50PIN and the like so as to form a corresponding series of network filter products.

6. The two-shot over-molded network filter structure of claim 1, wherein: the top end of the cover body (1) is provided with a cover plate (12), and a concave circle (13) is arranged inside the cover plate (12).

7. The two-shot over-molded network filter structure of claim 1, wherein: the cover body (1) and the base body (14) are made of LCP materials and are made of thermoplastic materials.

Images