CN221202834U

CN221202834U - Filter

Info

Publication number: CN221202834U
Application number: CN202322617114.8U
Authority: CN
Inventors: 范立; 许立军; 万佳美
Original assignee: Dongguan Leader Precision Industry Co Ltd
Current assignee: Dongguan Leader Precision Industry Co Ltd
Priority date: 2023-09-25
Filing date: 2023-09-25
Publication date: 2024-06-21
Anticipated expiration: 2033-09-25
Also published as: TWM654398U

Abstract

The utility model discloses a filter, which comprises a circuit board, wherein an insulating seat is arranged on the circuit board, a plurality of PAD PADs which are arranged are respectively arranged on two sides of the insulating seat on the circuit board, and electrode leads led out from the insulating seat are welded on the PAD PADs; the side wall opening ends at two sides of the insulating seat are provided with outwards extending buckles, the circuit board is provided with clamping grooves matched and corresponding to the buckles on the insulating seat, and the buckles of the insulating seat are arranged in the clamping grooves of the circuit board; the top that the lateral wall was kept away from to the buckle on the insulating seat is equipped with detains the hole, is equipped with the protruding knot that matches corresponding detaining hole in the joint groove on the circuit board, and protruding knot extends the arch from joint inslot part, detains Kong Kouka setting on protruding knot. The utility model adopts the main body clamping groove which is partially extended and matched in the PCB clamping hole and is matched with the clamping grooves on two sides of the main body, and the main body clamping groove are buckled after being propped against each other, so as to achieve the aim of fixation; the part in the main body clamping groove and the inner wall of the PCB clamping groove form a short-distance anti-disengaging structure, so that the main body clamping groove and the PCB clamping groove are tightly clamped and are not easy to trip.

Description

Filter

Technical Field

The present utility model relates to the field of filters, and more particularly, to a filter applied in a network communication system.

Background

The filter is a device for filtering waves, and can effectively filter out frequency points with specific frequencies or frequencies outside the frequency points in the circuit to obtain a power signal with specific frequencies or eliminate the power signal after the specific frequencies. In order to develop a so-called multi-band compatible terminal that accommodates signals in a plurality of frequency bands, it is necessary for such a terminal to include a plurality of filters that are compatible with the frequencies used.

The structure of the traditional filter comprises a main body and a circuit board, wherein the main body needs to be positioned and fixed with the PCB, most of the fixing modes at present are main body positioning columns or extension buckles fixed with the main body positioning columns or extension buckles, and no anti-falling structure exists between the main body and the PCB buckles, so that the buckles are not tight enough and are easy to loosen; meanwhile, a fool-proof design is not arranged between the main body and the PCB buckle, and production efficiency is affected.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art and provide a traditional filter which is structurally optimized, and the purposes of improving efficiency and reducing cost are achieved through the structural optimization.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

The filter comprises a circuit board, wherein an insulating seat is arranged on the circuit board, a plurality of PAD PADs which are arranged are respectively arranged on two sides of the insulating seat on the circuit board, and electrode leads led out from the insulating seat are welded on the PAD PADs;

The side wall open ends (the ends far away from the bottom plate) on the two sides of the insulating seat are provided with outwards extending buckles, the circuit board is provided with clamping grooves matched with the buckles on the insulating seat, and the buckles of the insulating seat are arranged in the clamping grooves of the circuit board;

The top that the lateral wall was kept away from to the buckle on the insulating seat is equipped with detains hole (draw-in groove), is equipped with the protruding knot (clamping platform) that matches corresponding detaining hole in the joint groove on the circuit board, and protruding knot extends arch (clamping point) from joint inslot side part, detains hole lock setting on protruding knot.

Further, in one embodiment, an external groove is formed on the outer wall of the side wall, and an opening of the external groove faces the insulating base bottom plate;

An external groove is formed in one end, close to the bottom plate of the insulating seat, of the outer wall of the side wall, a group of symmetrical positioning tables are arranged at one end, far away from the opening, of the external groove, the positioning tables are arranged on the upper portion of the outer wall of the side wall, the surface of each positioning table is flush with the outer wall of the side wall, and a separation distance is arranged between the two positioning tables.

Further, in one embodiment, one side of the two positioning tables far away from the external groove is respectively provided with a clamping arm which protrudes outwards and extends out of the top end (the opening end) of the side wall, and a separation distance equivalent to that of the two positioning tables is arranged between the two clamping arms;

The one end that the joint arm kept away from the locating bench is equipped with protruding cassette, and protruding cassette frame is established on two joint arm tops of interval and is connected with the joint arm, and two joint arms form the knot hole (draw-in groove) with the closed frame that protruding cassette and lateral wall top are constituteed.

Further, in one embodiment, the protruding clamping seat is provided with a boss (a thickened portion) protruding outwards from the outer wall of the side wall, a portion of the buckling hole extends into the protruding clamping seat, the thickened protruding clamping seat portion is arranged in the clamping groove (the first clamping groove and the second clamping groove), the protruding buckling and embedding (buckling) is arranged in the buckling hole 25, and the thickened portion of the protruding clamping seat in the clamping groove and the inner wall of the clamping groove form a short-distance anti-falling structure.

Further, in one embodiment, the clip includes a first clip and a second clip, a width D1 of the first clip being greater than a width D2 of the second clip;

The clamping groove comprises a first clamping groove and a second clamping groove; the circuit board is provided with a first clamping groove matched and corresponding to the first buckle, the circuit board is provided with a second clamping groove matched and corresponding to the second buckle, and the length of the first clamping groove is larger than that of the second clamping groove.

Further, in one embodiment, the top end of the side wall far away from the bottom plate is provided with a heightening seat, the heightening seat is arranged at the opening end of the insulating seat, and a heat dissipation channel (heat dissipation interval) is formed between the opening end of the insulating seat and the circuit board through the heightening seat.

Further, in one embodiment, the inner side of the side wall is provided with an inward convex thickening wall, and the outward side of the thickening wall is provided with a concave (inward concave) positioning table; the clamping arm protrudes outwards from the top end of the thickening wall and extends;

the top end of the convex clamping seat is provided with an inward inclined chamfer socket.

Further, in one embodiment, a plurality of coil windings are arranged in the insulating seat, a plurality of T1 coils are designed on one side of the insulating seat, a plurality of T2 coils are arranged on the other side of the insulating seat, and electrode leads of the T1 coils and the T2 coils are led out to the outer side of the insulating seat.

The utility model is suitable for network connectors and IO connectors, and is applied to RJ filters, USB and the like. The utility model discloses a local extension (stuck point) matches main part draw-in groove in the PCB joint hole, cooperates with main part both sides draw-in groove, and both support the lock after pressing, reach fixed purpose. The part in the main body clamping groove and the inner wall of the PCB clamping groove form a short-distance anti-disengaging structure, so that the main body clamping groove and the PCB clamping groove are tightly clamped and are not easy to trip.

The foolproof structure is designed between the main body (the insulating seat) and the circuit board, so that misdirection eye-splice is avoided, and the quality and yield of products are ensured; a heat dissipation channel is arranged between the opening end of the main body and the circuit board. The utility model has the advantages of convenient assembly operation, simple process and high production efficiency.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic view of a latch of an insulating base portion according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of a male cartridge portion according to an embodiment of the present utility model;

FIG. 4 is an assembled schematic view of an embodiment of the present utility model;

FIG. 5 is an exploded view of an embodiment of the present utility model;

fig. 6 is a schematic view of an upper plate (into a jig) according to an embodiment of the utility model.

The reference numerals simply indicate:

The circuit board 11, the first clamping groove 12, the second clamping groove 13, the convex buckle 14, the PAD pad 15, the electrode lead 16, the T1 coil 17, the T2 coil 18, the insulating seat 21, the side wall 22, the external groove 23, the positioning table 24, the buckling hole 25, the clamping arm 26, the convex clamping seat 27, the chamfer socket 28, the heightening seat 29, the first clamping buckle 31, the second clamping buckle 32, the heightening wall 33, the thickening part 34, the winding jig 38 and the jig clamping post 39.

Detailed Description

The utility model will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the utility model and the specific objects and functions achieved.

In the description of the present specification, the terms "connected," "mounted," "fixed," "disposed," "having," "front," "upper," and the like are to be construed broadly, and for example, "connected" may be a fixed connection or indirectly through intermediate members without affecting the relationship between components and technical effects, or may be an integral connection or a partial connection, as in the case of this example, as will be apparent to those skilled in the art, and the specific meaning of the terms described above in this utility model or the utility model may be understood as appropriate.

Referring to fig. 1, the general structure of the application is shown in fig. 1, the application comprises a circuit board 11, an insulating seat 21 is arranged on the circuit board 11, a plurality of PAD bonding PADs 15 are respectively arranged on two sides of the insulating seat 21 on the circuit board 11, and electrode leads 16 led out from the insulating seat 21 are welded on the PAD bonding PADs 15.

Referring to fig. 5, the structure associated with the snap arm 26 of the present application is shown in fig. 5. The open ends (the ends far away from the bottom plate) of the side walls 22 on two sides of the insulating seat 21 are provided with outwards extending buckles, the circuit board 11 is provided with clamping grooves matched with and corresponding to the buckles on the insulating seat 21, and the buckles of the insulating seat 21 are arranged in the clamping grooves of the circuit board 11.

An external groove 23 is formed in the outer wall of the side wall 22, and an opening of the external groove 23 faces to the bottom plate of the insulating seat 21; further, an external groove 23 is formed in one end, close to the bottom plate of the insulating seat 21, of the outer wall of the side wall 22, a group of symmetrical positioning tables 24 are arranged at one end, far away from the opening, of the external groove 23, the positioning tables 24 are arranged on the upper portion of the outer wall of the side wall 22, the surface of each positioning table 24 is flush with the outer wall of the side wall 22, and a separation distance is arranged between the two positioning tables 24.

The two positioning tables 24 are respectively provided with a clamping arm 26 protruding outwards to extend out of the top end (the opening end) of the side wall 22 at one side far away from the external groove 23, and a separation distance equivalent to that of the two positioning tables 24 is arranged between the two clamping arms 26; the one end that the joint arm 26 kept away from the locating platform 24 is equipped with protruding cassette 27, and protruding cassette 27 erects on two joint arm 26 tops of interval and is connected with joint arm 26, and the closed frame that two joint arms 26 and protruding cassette 27 and lateral wall 22 top constitute forms knot hole 25 (draw-in groove), and protruding cassette 27 top is equipped with the chamfer socket 28 of inward sloping.

Further, in one embodiment, referring to fig. 2, fig. 2 shows a related structure of the male buckle 14 of the present application, a male buckle 14 (a clamping platform) matching with a corresponding buckle hole 25 is provided in a clamping groove on the circuit board 11, the male buckle 14 extends to a protrusion (a clamping point) from an inner side of the clamping groove locally, and the buckle hole 25 is buckled (buckled) on the male buckle 14.

Further, in one embodiment, the inner side of the side wall 22 is provided with an inwardly convex thickened wall 33, and the outwardly facing side of the thickened wall 33 is provided with a recessed (inwardly recessed) detent 24; the snap arms 26 extend convexly outwards from the top end of the thickened wall 33.

Referring to fig. 4, in the assembled structure of the present application shown in fig. 4, a plurality of coil windings are provided in an insulating base 21, specifically, a plurality of T1 coils 17 are designed on one side of the insulating base 21, a plurality of T2 coils 18 are provided on the other side of the insulating base 21, and electrode leads 16 of the T1 coils 17 and the T2 coils 18 are led out to the outside of the insulating base 21.

Further, in one embodiment, referring to fig. 3, the related structure of the protruding clamping seat 27 of the present application is shown in fig. 3, a boss (a thickened portion 34) protruding outwards from the outer wall of the side wall 22 is provided on the protruding clamping seat 27, a portion of the buckling hole 25 extends into the protruding clamping seat 27, a portion of the thickened protruding clamping seat 27 is provided in the clamping groove (the first clamping groove 12 and the second clamping groove 13), after the clamping groove is inserted into the chamfering socket 28, the protruding buckle 14 is embedded (buckled) in the buckling hole 25, and the thickened portion 34 of the protruding clamping seat 27 in the clamping groove and the inner wall of the clamping groove form a short-distance anti-disengaging structure, so that the buckling hole 25 (the clamping groove) and the protruding buckle 14 (the clamping table) are tightly buckled and are not easy to trip.

Referring to fig. 5, fig. 5 shows a fool-proof design structure between the insulating base 21 and the circuit board 11 according to the present application; in order to cope with the signal terminals of multiple frequency bands, multiple frequency coil windings (T1 coil 17, T2 coil 18) are needed, and are arranged at different positions in the insulating base 21, so that the insulating base 21 can be conveniently and smoothly spliced in a correct direction for improving the alignment welding accuracy, and foolproof design (misdirection insertion prevention) is performed between the insulating base 21 and the circuit board 11: the buckle includes a first buckle 31 and a second buckle 32, and a width D1 of the first buckle 31 is greater than a width D2 of the second buckle 32.

The clamping grooves comprise a first clamping groove 12 and a second clamping groove 13 which are matched with the buckles; specifically, the circuit board 11 is provided with a first clamping groove 12 corresponding to the first buckle 31, the circuit board 11 is provided with a second clamping groove 13 corresponding to the second buckle 32, and the length of the first clamping groove 12 is larger than that of the second clamping groove 13.

The top end of the side wall 22 far away from the bottom plate is provided with a heightening seat 29, the heightening seat 29 is arranged at the opening end of the insulating seat 21, and the heightening seat 29 enables a heat dissipation channel (heat dissipation interval) to be formed between the opening end of the insulating seat 21 and the circuit board 11.

Further, in one embodiment, referring to fig. 6, fig. 6 shows a related structure of the external groove 23 of the present application, the external groove 23 is formed on the outer side of the side wall 22, the external groove 23 is disposed on the outer side wall of the thickened wall 33, the bottom end of the external groove 23 is provided with the positioning table 24, the external groove 23 is convenient for aligning and assembling the insulating base 21 on the winding jig 38 during winding, and the assembling groove of the winding jig 38 is provided with the jig clamping post 39 aligned and matched with the external groove 23. During wire arrangement welding, the external groove 23 is inserted into the jig clamping column 39 from the opening end, and the top end of the jig clamping column 39 is abutted against the positioning table 24 at the bottom end of the external groove 23, so that the wire winding jig 38 is fixed with the insulating seat 21; after the insulating base 21 (main body) is assembled on the winding jig 38, the electrode lead 16 is soldered to the PAD 15, and then the wire ends are cut.

The foregoing examples have shown only a few preferred embodiments of the utility model, which are described in some detail and it is to be understood that this utility model is not limited to the forms disclosed herein, but is not to be construed as limited to other examples, but is capable of use in various other combinations, modifications and environments and is capable of changes within the spirit of the utility model described herein, either by way of the foregoing teachings or by way of the knowledge of the relevant art, and is not therefore to be interpreted as limiting the scope of the utility model. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the spirit and scope of the present utility model, which is within the scope of the appended claims. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A filter, comprising: the circuit board (11), be equipped with insulating seat (21) on circuit board (11), insulating seat (21) both sides are equipped with PAD (15) that a plurality of were arranged respectively on circuit board (11), electrode lead (16) that draws forth in insulating seat (21) weld and set up on PAD (15);

The circuit board is characterized in that the opening ends of the side walls (22) on two sides of the insulating seat (21) are provided with outwards extending buckles, the circuit board (11) is provided with clamping grooves matched with the buckles on the insulating seat (21), and the buckles of the insulating seat (21) are arranged in the clamping grooves of the circuit board (11);

The top that the buckle was kept away from on insulating seat (21) lateral wall (22) is equipped with knot hole (25), be equipped with on circuit board (11) in the joint groove and match correspondingly protruding knot (14) of knot hole (25), protruding knot (14) follow the inboard part extension of joint groove is protruding, knot hole (25) lock sets up on protruding knot (14).

2. A filter according to claim 1, wherein an external groove (23) is formed in the outer wall of the side wall (22), and the opening of the external groove (23) faces the bottom plate of the insulating seat (21);

The utility model discloses a high-voltage power supply device, including insulating seat (21), lateral wall (22), external recess (23) have been seted up to be close to on lateral wall (22) outer wall one end of insulating seat (21) bottom plate, the one end that the opening was kept away from to external recess (23) is equipped with a set of symmetrical positioning table (24), positioning table (24) set up lateral wall (22) outer wall upper portion, positioning table (24) surface with lateral wall (22) outer wall flushes, is equipped with the interval of separating between two positioning tables (24).

3. A filter according to claim 2, wherein one side of the two positioning tables (24) away from the external groove (23) is respectively provided with a clamping arm (26) protruding outwards to extend out of the top end of the side wall (22), and a separation distance equivalent to that of the two positioning tables (24) is arranged between the two clamping arms (26);

The one end that joint arm (26) kept away from locating bench (24) is equipped with protruding cassette (27), protruding cassette (27) erect in the interval two joint arm (26) tops and with joint arm (26) are connected, two joint arms (26) with protruding cassette (27) and closed frame that lateral wall (22) top constitutes forms knot hole (25).

4. A filter according to claim 3, wherein the convex clamping seat (27) is provided with a boss protruding outwards from the outer wall of the side wall (22), a part of the buckling hole (25) extends into the convex clamping seat (27), a thickened convex clamping seat (27) is partially arranged in the clamping groove, the convex buckle (14) is embedded and clamped in the buckling hole (25), and a thickened part (34) of the convex clamping seat (27) in the clamping groove and the inner wall of the clamping groove form a short-distance anti-falling structure.

5. A filter according to claim 1, wherein the clasp comprises a first clasp (31) and a second clasp (32), the first clasp (31) having a width D1 greater than a width D2 of the second clasp (32);

the clamping grooves comprise a first clamping groove (12) and a second clamping groove (13);

The circuit board (11) is provided with a first clamping groove (12) matched and corresponding to the first buckle (31), the circuit board (11) is provided with a second clamping groove (13) matched and corresponding to the second buckle (32), and the length of the first clamping groove (12) is larger than that of the second clamping groove (13).

6. A filter according to claim 1, characterized in that the top end of the side wall (22) remote from the bottom plate is provided with a raised seat (29), the raised seat (29) is arranged at the open end of the insulating seat (21), and a heat dissipation channel is formed between the open end of the insulating seat (21) and the circuit board (11) through the raised seat (29).

7. A filter according to claim 1, characterized in that the side wall (22) is provided on the inside with an inwardly protruding thickening wall (33), the thickening wall (33) being provided on the outside with a recessed positioning table (24); the clamping arm (26) protrudes outwards from the top end of the thickening wall (33);

The top end of the convex clamping seat (27) is provided with an inward inclined chamfer socket (28).

8. A filter according to claim 1, characterized in that a plurality of coil windings are arranged in the insulating seat (21), a plurality of T1 coils (17) are designed on one side of the insulating seat (21), a plurality of T2 coils (18) are arranged on the other side of the insulating seat (21), and the T1 coils (17) and the electrode leads (16) of the T2 coils (18) are led out to the outer side of the insulating seat (21).