Double-end connection type filtering electric connector convenient to assemble

Abstract

The utility model discloses a convenient-to-assemble double-end connection type filtering electric connector, which comprises a filtering shell, a cover plate, a filtering printed board, a first electric connector, a second electric connector, a connecting plate and a sleeve, the cover plate comprises a first side cover plate and a second side cover plate, the filtering shell is provided with a transversely through shell through hole, and the filtering printed board is arranged in the shell through hole. The first side cover plate and the second side cover plate are installed on the hole walls of the two ends of the through hole of the shell respectively, the inner end of the first electric connector is connected with the first side cover plate, the second electric connector is connected with the connecting plate, and the first side cover plate is provided with a plurality of connecting columns. A plurality of connecting screws respectively penetrate through the connecting plate, the sleeves and the filtering printed board in sequence and then are connected with the screw holes in the connecting columns, and the connecting plate is connected with the second side cover plate. The most important connection operation between the filtering assembly and the first electric connector and the connection operation between the filtering assembly and the second electric connector are carried out outside the filtering shell, so that the convenience of assembly operation is remarkably improved, and the welding quality and the production efficiency are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a filter electric connector with electric connection and filter function, especially to a double-end connection type filter electric connector convenient to assemble. BACKGROUND

[0002] With the electromagnetic interference signals of instrument equipment gradually increasing in the working environment, the anti-electromagnetic interference performance requirement of instrument equipment is higher and higher, the filter electric connector with filter function is used in the equipment, the use environment and scene of the filter electric connector are diversified, and its function is also from single filter function to multifunction, such as surge protection function. The filter electric connector with electric connectors at both ends of the filter assembly is called double-end connection type filter electric connector, and the filter electric connector is more convenient in application.

[0003] As shown in Figure 1 The traditional double-end connection type filter electric connector includes a shell 2, an upper cover plate 1, a filter unit 5, an electric connector I 3 and an electric connector II 4, the filter unit 5 is installed in the shell 2 with an upper opening, the upper cover plate 1 is installed at the upper end of the shell 2, the electric connector I 3 and the electric connector II 4 are respectively installed on the opposite sides of the shell 2, and the electric connector I 3 and the electric connector II 4 are respectively electrically connected with both ends of the filter unit 5.

[0004] The traditional double-end connection type filter electric connector has the following defects: during assembly, the installation process of the filter unit 5 is carried out in the shell 2, and the connection (mainly welding) process between the filter unit 5 and the electric connector I 3 and the electric connector II 4 is carried out in the shell 2. Since the space in the shell 2 is small, the assembly operation is very inconvenient, the welding quality problem is easy to cause, the soldering point cleaning operation is difficult, the production efficiency is affected, it is not suitable for mass production, especially the soldering point under the printed board of the filter unit 5 has no operation space, only the lead can be lengthened, the filter unit 5 is moved to the outside of the shell 2 for operation, but this will cause the problem of long lead nesting, and the operation in the shell 2 is easy to produce soldering tin slag excess, which causes the product to have the risk of short circuit or electrical performance decline. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the above problems and provides a double-end connection type filter electric connector convenient to assemble.

[0006] The utility model realizes the above-mentioned purposes through the following technical schemes:

[0007] The utility model provides a kind of double-end connection type filter electric connector of easy assembly, including filter shell, cover plate, filter printed board, first electric connector and second electric connector, filter element is installed on the filter printed board installed in the filter shell to form filter assembly, the both ends of the filter assembly are electrically connected with the inner end of the first electric connector and the inner end of the second electric connector respectively, the double-end connection type filter electric connector of easy assembly further includes connecting plate and sleeve, the cover plate includes first side cover plate and second side cover plate, the filter shell is equipped with transverse through hole, the first side cover plate and the second side cover plate are respectively installed on the both end hole wall of the shell through hole, the inner end of the first electric connector is connected with the first side cover plate, the second electric connector is connected with the connecting plate, the side surface of the first side cover plate opposite with the first electric connector is equipped with multiple transverse connecting columns, the overhanging end of the connecting column is equipped with screw hole, multiple connecting screws are respectively sequentially passed through multiple corresponding through holes on the connecting plate, multiple central through holes of multiple sleeves and multiple corresponding through holes on the filter printed board and are connected with multiple screw holes on multiple connecting columns, the connecting plate is connected with the second side cover plate, and the outer end of the second electric connector passes through the corresponding through hole on the second side cover plate.

[0008] As preferred, to realize reliable connection and improve signal shielding effect, the hole wall of the shell through hole with rectangular radial section is equipped with connecting rib with axial length direction near four corners respectively, and the both ends of the connecting rib are respectively recessed to form inner recessed step, the four corners of the first side cover plate and the four corners of the second side cover plate are respectively in close contact with corresponding inner recessed step, four first screws are connected with screw holes at one end of four connecting ribs after passing through corresponding through holes on the first side cover plate, and four second screws are connected with screw holes at the other end of four connecting ribs after passing through corresponding through holes on the second side cover plate.

[0009] As preferred, to further improve signal shielding effect, the outer wall surface of the first side cover plate is equipped with annular sealing groove and annular first conductive rubber ring is installed in the sealing groove, the outer wall surface of the second side cover plate is equipped with annular sealing groove and annular second conductive rubber ring is installed in the sealing groove, and the first conductive rubber ring and the second conductive rubber ring are respectively in close contact with the hole wall near both ends in the shell through hole.

[0010] As preferred, to adjust the spacing between filter printed board and first side cover plate or the flatness of filter printed board as needed to realize more stable and reliable assembly effect, multiple connecting columns and the filter printed board are respectively installed with spacing adjusting washer, and multiple connecting screws pass through the central through hole of multiple spacing adjusting washers.

[0011] As preferred, in order to realize reliable connection, the connecting columns are four and are respectively located at positions close to four corners on the first side cover plate, and correspondingly, the connecting screws and the sleeves are four.

[0012] As preferred, in order to realize reliable connection, the connecting plate and the second side cover plate are connected with each other through four third screws.

[0013] The beneficial effects of the utility model lie in:

[0014] The utility model discloses a filter shell is designed as the structure of the opening of transverse both ends and adds the connecting plate and the sleeve, can connect the first side cover plate, the first electric connector, the filter assembly and the second electric connector in the filter shell outside first, whole is placed in the filter shell and is connected with the second side cover plate, finally, the first side cover plate and the second side cover plate are connected with the filter shell respectively, can complete the assembly of whole filter electric connector, the most important filter assembly and the connection operation between the first electric connector and the second electric connector are carried out in the filter shell outside, the convenience of assembly operation is improved significantly, the welding quality is improved, the soldering point cleaning operation is convenient, the soldering tin dregs excess is convenient to remove, the production efficiency is improved, is suitable for the production of larger batch products, and the long wire nest problem is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the perspective view of traditional double-end connection type filter electric connector, and the upper cover plate is in the open state.

[0016] Figure 2 It is the perspective view of the double-end connection type filter electric connector convenient to assemble after assembly of the utility model.

[0017] Figure 3 It is the perspective explosion view of the double-end connection type filter electric connector convenient to assemble before assembly of the utility model.

[0018] Figure 4 It is the perspective view of the first side cover plate, the first electric connector, the filter assembly, the connecting plate and the second electric connector of the double-end connection type filter electric connector convenient to assemble after assembly of the utility model. DETAILED DESCRIPTION

[0019] The utility model will be further described in connection with the drawings:

[0020] As Figures 2-4As shown in the utility model discloses a convenient to assemble double -end connection formula filter electric connector including filter shell 8, cover plate, filter printed board 14, first electric connector 9, second electric connector 6, connecting plate 16 and sleeve 15, install on filter printed board 14 in filter shell 8 install filter element (not marked in the drawing, and the specific filter element is according to actual needs), form filter assembly, the both ends of the filter assembly are electrically connected with the inner end of first electric connector 9 and the inner end of second electric connector 6 respectively, the cover plate includes first side cover plate 10 and second side cover plate 7, filter shell 8 is equipped with the transverse through hole (not marked in the drawing) of shell, and first side cover plate 10 and second side cover plate 7 are installed on the both end hole walls of the transverse through hole respectively, and the inner end of first electric connector 9 is connected with first side cover plate 10 (the both can be integrally formed or be connected by screw), and second electric connector 6 is connected with connecting plate 16 (the both can be integrally formed or be connected by screw), and a plurality of connecting columns 11 are arranged on the side surface opposite to first electric connector 9 of first side cover plate 10, and the hanging end of connecting column 11 is equipped with a threaded hole, and a plurality of connecting screws 17 are sequentially threaded through a plurality of corresponding through holes on connecting plate 16, a plurality of center through holes of a plurality of sleeve 15 and a plurality of corresponding through holes on filter printed board 14 and are connected with the threaded hole on a plurality of connecting columns 11, and connecting plate 16 is connected with second side cover plate 7, and the outer end of second electric connector 6 passes through the corresponding through hole on second side cover plate 7.

[0021] As Figures 2-4 The utility model discloses further disclose the following more optimal specific structure:

[0022] In order to realize reliable connection and improve signal shielding effect, the hole wall of the shell through hole with rectangular radial section is provided with connecting rib 18 with axial length direction near the four corners, and the both ends of connecting rib 18 are respectively inlaid to form inner sunken step (not marked in the drawing), and the four corners of first side cover plate 10 and the four corners of second side cover plate 7 are respectively in close contact with the corresponding inner sunken step, and four first screws (not marked in the drawing) are connected with the threaded hole of one end of four connecting ribs 18 after passing through the corresponding through hole on first side cover plate 10, and four second screws (not marked in the drawing) are connected with the threaded hole of the other end of four connecting ribs 18 after passing through the corresponding through hole on second side cover plate 7.

[0023] In order to further improve signal shielding effect, the outer wall (referring to the outer wall on the outer circumference) surface of first side cover plate 10 is provided with annular sealing groove, and annular first conductive rubber ring 12 is installed in the sealing groove, and the outer wall (referring to the outer wall on the outer circumference) surface of second side cover plate 7 is provided with annular sealing groove, and annular second conductive rubber ring 19 is installed in the sealing groove, and first conductive rubber ring 12 and second conductive rubber ring 19 are respectively in close contact with the hole wall near both ends in the shell through hole.

[0024] In order to adjust the spacing between the filter printed circuit board 14 and the first side cover plate 10 or the flatness of the filter printed circuit board 14 as needed to achieve a more stable and reliable assembly effect, multiple connecting posts 11 are respectively installed with adjusting washers 13 between them and the filter printed circuit board 14, and multiple connecting screws 17 pass through the central through holes of multiple adjusting washers 13.

[0025] To achieve a reliable connection, there are four connecting posts 11, which are located on the first side cover plate 10 near the four corners. Correspondingly, there are four connecting screws 17 and four sleeves 15.

[0026] To achieve a reliable connection, the connecting plate 16 and the second side cover plate 7 are connected to each other by four third screws (not marked in the figure).

[0027] like Figures 2-4 As shown, during assembly, the first side cover plate 10, the first electrical connector 9, the filter assembly, and the second electrical connector 6 are first connected (including soldering and screwing) outside the filter housing 8. Solder slag that falls during soldering is then removed, forming a structure as shown. Figure 4 The component shown is placed inside the filter housing 8 and connected to the second side cover 7 (or the second side cover 7 is connected to the filter housing 8 first, and then the component is connected to the second side cover 7). Finally, the first side cover 10 and the second side cover 7 are connected to the filter housing 8 respectively, thus completing the assembly of the entire filter connector. The most important connection operations between the filter component and the first electrical connector 9 and the second electrical connector 6 are all performed outside the filter housing 8, which significantly improves the convenience of assembly operations, improves welding quality, facilitates solder joint cleaning operations, facilitates the removal of excess solder dross, improves production efficiency, is suitable for the production of large batches of products, and avoids the problem of long wire coils. In use, simply plug the first electrical connector 9 and the second electrical connector 6 of this double-ended filter connector into other electrical equipment quickly, which is very convenient.

[0028] The above embodiments are merely preferred embodiments of this utility model and are not intended to limit the technical solutions of this utility model. Any technical solution that can be implemented based on the above embodiments without creative effort should be considered to fall within the scope of protection of this utility model patent.

Claims

1. A dual-ended connection filter electrical connector for easy assembly, comprising a filter housing, a cover plate, a filter printed circuit board, a first electrical connector, and a second electrical connector, wherein filter elements are mounted on the filter printed circuit board within the filter housing to form a filter assembly, and the two ends of the filter assembly are electrically connected to the inner ends of the first electrical connector and the second electrical connector, respectively, characterized in that: The filter connector with the double-end connection and the convenient assembly further comprises a connecting plate and a sleeve, the cover plate comprises a first side cover plate and a second side cover plate, the filter shell is provided with a shell through hole in the transverse direction, the first side cover plate and the second side cover plate are respectively installed on the hole wall at both ends of the shell through hole, the inner end of the first electric connector is connected with the first side cover plate, the second electric connector is connected with the connecting plate, a plurality of connecting columns are arranged on the side surface of the first side cover plate opposite to the first electric connector, the overhanging end of the connecting column is provided with a screw hole, a plurality of connecting screws are sequentially connected with the screw holes of the connecting columns through a plurality of corresponding through holes of the connecting plate, a plurality of center through holes of the sleeve and a plurality of corresponding through holes of the filter printed board, the connecting plate and the second side cover plate are connected with each other, and the outer end of the second electric connector passes through the corresponding through hole of the second side cover plate.

2. The filter electrical connector of claim 1, wherein: The hole wall of the shell through hole with the rectangular radial section is provided with a connecting rib with the axial length direction near the four corners, the two ends of the connecting rib are respectively inlaid to form an inner sunken step, the four corners of the first side cover plate and the four corners of the second side cover plate are respectively in close contact with the corresponding inner sunken steps, four first screws are connected with the screw holes at one end of the four connecting ribs through the corresponding through holes of the first side cover plate, and four second screws are connected with the screw holes at the other end of the four connecting ribs through the corresponding through holes of the second side cover plate.

3. The filter electrical connector of claim 2, wherein: The outer wall surface of the first side cover plate is provided with an annular sealing groove, and an annular first conductive rubber ring is arranged in the sealing groove, the outer wall surface of the second side cover plate is provided with an annular sealing groove, and an annular second conductive rubber ring is arranged in the sealing groove, and the first conductive rubber ring and the second conductive rubber ring are respectively in close contact with the hole walls near the two ends of the shell through hole.

4. The filter electrical connector of any of claims 1-3, wherein: A plurality of distance adjusting washers are arranged between the connecting columns and the filter printed board, and a plurality of connecting screws pass through the center through holes of the distance adjusting washers.

5. The filter electrical connector of any of claims 1-3, wherein: The connecting columns are four and are respectively arranged near the four corners of the first side cover plate, and correspondingly, the connecting screws and the sleeves are four.

6. The filter electrical connector of any of claims 1-3, wherein: The connecting plate and the second side cover plate are connected with each other through four third screws.

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