Connector

Abstract

The utility model relates to the technical field of conductive connecting devices, in particular to a connector, which comprises a terminal module, a grounding contact element and a common ground shell, the terminal module comprises an insulator, a differential pair and a grounding component, the differential pair and the grounding component are fixed with the insulator, and the common ground shell is provided with a mounting hole for mounting the grounding contact element. The grounding contact piece is provided with an inserting end used for being matched with a corresponding terminal of an adaptive connector, the other end, far away from the inserting end, of the grounding contact piece protrudes out of or is exposed out of the mounting hole to form a connecting end, and one of the grounding component and the connecting end is provided with a connecting structure connected with the other one of the grounding component and the connecting end. And the grounding contact element is connected with the common ground shell and the grounding component, so that poor contact caused by vibration is not easy to occur, and reliable grounding conduction is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of conductive connecting device, specifically relates to a connector. BACKGROUND

[0002] In modern data communication transmission system, transmission rate is higher and higher, high speed interconnection system is widely used in communication network and data exchange system. The orthogonal high speed backplane connector can realize the signal communication between two mutually perpendicular circuit boards, and is widely used in core communication equipment such as switch and server.

[0003] The structure of the above connector can be seen from Figure 1 , the connector comprises a shell 100 and a plurality of terminal modules 200 mounted on the shell 100, the terminal module 200 is also called wafer or wafer, the terminal module 200 comprises an insulator and a plurality of differential pairs fixed in the insulator, the two sides of the insulator in thickness direction are respectively provided with shielding sheets, the differential pair comprises two signal terminals 201 arranged in pairs, a grounding terminal is arranged between any two adjacent differential pairs of the same terminal module 200, the grounding terminal constitutes a grounding component of the terminal module, the connector is a male connector, the signal terminal 201 has a plug-in end for adapting contact with the corresponding terminal of the female connector when the male connector is plugged with the female connector, the plug-in end is a pin structure, for such an orthogonal connector, the part of the signal terminal 201 close to the plug-in end needs to be bent, so that the parallel direction of the plug-in ends of the two signal terminals 201 of the differential pair is perpendicular to the side-by-side direction of different differential pairs of the same terminal module 200, to adapt to the interconnection of two mutually perpendicular circuit boards, since the signal terminal 201 needs to be bent, when the terminal is punched and formed on the metal strip, the bent part of the signal terminal 201 will occupy a relatively large strip area, so that the pin structure cannot be formed on the grounding terminal, in order to realize the grounding conduction of the male connector and the female connector, the male connector adopts a separately assembled grounding contact piece 400 as a pin structure for grounding, the shell 100 of the male connector is provided with a common ground shell 300, the common ground shell 300 is generally made of conductive plastic, one end of the grounding contact piece 400 is arranged in the common ground shell 300, and the other end constitutes a plug-in end for contacting the adapting terminal, the common ground shell 300 is in conductive contact with each grounding contact piece 400, after each terminal module 200 is arranged in the shell 100, the grounding terminal of the terminal module 200 is in conductive contact with the common ground shell 300, so as to realize the conduction of the grounding terminal and the grounding contact piece by the common ground shell 300.

[0004] For the mounting structure of the grounding contact piece, each grounding contact piece is fixed on the common ground shell to realize grounding conduction, and the common ground shell made of plastic material is soft in texture, and in some strong vibration application scenarios, the grounding contact piece is prone to poor contact with the common ground shell due to vibration, so that the grounding conduction is not reliable enough, and the signal transmission is affected. Utility model content

[0005] The utility model discloses a kind of connectors, to solve the grounding contact piece of current connector and common ground shell easily cause the problem that grounding conduction is not reliable enough due to vibration.

[0006] The technical scheme of the connector of the utility model is:

[0007] A kind of connector, including terminal module, grounding contact piece and common ground shell, terminal module includes insulator and the differential pair fixed with insulator, grounding component, common ground shell is equipped with the mounting hole for grounding contact piece installation, grounding contact piece has the insertion end for cooperating with the corresponding terminal of adaptive connector, the other end of grounding contact piece away from insertion end protrudes or exposes from the mounting hole and constitutes connecting end, the connecting structure of one of the grounding component and connecting end is equipped with the connection of another.

[0008] Further, the grounding component is equipped with bayonet, the connecting end of grounding contact piece is inserted into the bayonet, and the connecting structure is formed by the bayonet.

[0009] Further, the grounding component is equipped with deformation avoidance space on the side of the bayonet, for deforming the grounding component when the connecting end is inserted into the bayonet.

[0010] Further, the connecting end of grounding contact piece is equipped with guide chamfer for guiding the connecting end to be inserted into the bayonet.

[0011] Further, the one end hole of the mounting hole of common ground shell towards terminal module constitutes the loading entrance for grounding contact piece to be loaded into the mounting hole, and the connecting end of grounding contact piece is equipped with limit shoulder, and the limit shoulder is used for blocking cooperation with the mouth of the loading entrance and makes the connecting end protrude from the mounting hole.

[0012] Further, the grounding component is the grounding terminal of terminal module;Or the grounding component is shielding sheet arranged on at least one side of the thickness direction of the insulator of terminal module.

[0013] Further, the terminal module of the connector has two kinds, the grounding component of the first kind of terminal module is shielding sheet arranged on at least one side of the thickness direction of the insulator of the first kind of terminal module, and the grounding component of the second kind of terminal module is the grounding terminal of the second kind of terminal module.

[0014] Further, the ground contact member is provided with a bump protruding towards one side of the thickness direction of the ground contact member, and the bump is used to abut against the hole wall of the mounting hole.

[0015] Further, the thickness direction of the ground contact member is perpendicular to the thickness direction of the ground part.

[0016] Further, the ground contact member is a ground pin used to contact and match with the ground spring structure of the adapter connector.

[0017] Further, the common ground shell is made of conductive plastic or is made by setting a metal plating layer on a plastic base body.

[0018] Beneficial effects: on the basis of the connector in the prior art, the elements are changed, the connecting end of the ground contact member away from the insertion end protrudes or is exposed from the mounting hole of the common ground shell and is connected with the ground part of the terminal module, the ground contact member can be directly connected with the ground part, which is conducive to reliable grounding conduction, and on the basis of the ground contact member being installed in the common ground shell, the rigid ground part of the terminal module can be used to rigidly connect the ground contact member, improve the installation stability of the ground contact member, and facilitate reliable contact of the ground contact member with the common ground shell, the ground contact member and the common ground shell and the ground part all have a connection relationship, and are not easy to be affected by vibration to cause poor contact, which is conducive to reliable grounding conduction. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a schematic view of the connector in the prior art;

[0020] Figure 2 is a structural schematic view of an embodiment of the connector of the utility model;

[0021] Figure 3 is Figure 2 is a schematic view of the connector in the prior art without the shell;

[0022] Figure 4 is Figure 3 is a front view schematic view of the first terminal module in the prior art;

[0023] Figure 5 is Figure 3 is a back view schematic view of the first terminal module in the prior art;

[0024] Figure 6 is Figure 4 is a schematic view of the terminal of the first terminal module in the prior art;

[0025] Figure 7 is Figure 3 is a schematic view of the second terminal module in the prior art;

[0026] Figure 8 for Figure 7 Schematic diagram of the second terminal module without the shielding sheet;

[0027] Figure 9 for Figure 7 A schematic diagram of the terminals of the second terminal module;

[0028] Figure 10 for Figure 2 A schematic diagram of the structure of the second terminal module and the ground contact of the connector;

[0029] Figure 11 for Figure 2 A three-dimensional schematic diagram of the common ground shell;

[0030] Figure 12 for Figure 2 A top view of the common ground shell in FIG;

[0031] Figure 13 for Figure 2 Schematic diagram of the installation structure of the common ground shell and the ground contact;

[0032] Figure 14 for Figure 2 Schematic diagram of the ground contact in .

[0033] In the figure: 100, housing; 200, terminal module; 201, signal terminal; 300, common ground housing; 400, ground contact;

[0034] 21. First terminal module; 211. First shielding plate; 212. Second shielding plate; 213. First grounding terminal; 214. First signal terminal; 215. First insulator; 2111. Shielding plate bayonet; 2112. Opening slot;

[0035] 22, second terminal module; 222, third shielding plate; 223, second ground terminal; 224, second signal terminal; 225, second insulator; 2231, terminal bayonet;

[0036] 301, grounding mounting hole; 311, first slot; 312, second slot; 313, third slot; 321, first avoidance hole; 322, second avoidance hole;

[0037] 411. Straightening bulge; 412. Interference convex part; 413. Guide chamfer; 414. Limit shoulder. DETAILED DESCRIPTION

[0038] The connector of the utility model is based on the installation of the grounding contact on the common grounding shell, and the grounding contact is connected with the grounding component of the terminal module, the grounding contact has a connection relationship with the common grounding shell and the grounding component, and is not easily affected by vibration to cause poor contact, which is conducive to reliable grounding conduction.

[0039] Embodiments of the connector of the utility model:

[0040] As shown in Figure 2 、 Figure 3 , the connector comprises a shell 100, a terminal module, a common grounding shell 300 and a grounding contact 400, the shell 100 is an insulating shell, the common grounding shell 300 is a conductive shell, the common grounding shell 300 is made by electroplating metal on a plastic base, the grounding contact 400 is a metal piece, the common grounding shell 300 is installed in the shell 100, the grounding contact 400 is arranged in the common grounding shell 300, the terminal module is provided with a plurality of terminal modules in parallel, each terminal module is fixedly installed on the shell 100, the common grounding shell 300 is provided with a mounting hole for mounting the grounding contact 400, the two ends of the grounding contact 400 in the length direction are respectively a plug-in end and a connecting end, the plug-in end of the grounding contact 400 is used for cooperating with the corresponding terminal of the adapter connector, the connecting end of the grounding contact 400 away from the plug-in end protrudes from the corresponding mounting hole of the common grounding shell 300 and is connected with the grounding component of the terminal module when the terminal module is installed on the shell 100 to realize grounding conduction, the rigid grounding component of the terminal module is used for rigidly connecting the grounding contact 400, the grounding contact 400 can be reinforced, the installation stability of the grounding contact 400 is improved, the contact between the grounding contact 400 and the common grounding shell 300 is reliable, the grounding contact 400 has a connection relationship with the common grounding shell 300 and the grounding component, and the reliable grounding conduction is facilitated.

[0041] The terminal module in the embodiment has two kinds, which are a first kind of terminal module 21 and a second kind of terminal module 22, the number of the first kind of terminal module 21 and the second kind of terminal module 22 is equal, and any two adjacent terminal modules are one first kind of terminal module 21 and the other second kind of terminal module 22. The terminal module comprises an insulator, a terminal fixed in the insulator and two shielding sheets fixed on both sides of the insulator in the thickness direction, the terminal and the shielding sheet are metal pieces, the terminal of the terminal module has a signal terminal and a grounding terminal, the signal terminal is arranged in pairs and constitutes a differential pair, a plurality of differential pairs are arranged side by side in the same terminal module, and a grounding terminal is arranged between any two differential pairs, one end of the signal terminal constitutes a plug-in end thereof for cooperating with the corresponding terminal of the adapter connector, and the other end constitutes a crimping end thereof, and the grounding terminal and the signal terminal both have a crimping end for crimping to a circuit board.

[0042] In combination Figure 4 、 Figure 5 、 Figure 6The insulator of the first terminal module 21 is a first insulator 215, the signal terminal of the first terminal module 21 is a first signal terminal 214, the ground terminal of the first terminal module 21 is a first ground terminal 213, and the two side shielding sheets of the first terminal module 21 are a first shielding sheet 211 and a second shielding sheet 212 respectively. The first shielding sheet 211 constitutes a ground component of the first terminal module 21, that is, the first shielding sheet 211 is connected with the corresponding ground contact 400, and an edge part of the first shielding sheet 211 close to the insertion end of the first signal terminal 214 is provided with a shielding sheet socket 2111, that is, the socket of the corresponding ground component. The connecting end of the ground contact 400 is connected and grounded by being clamped into the shielding sheet socket 2111, and the shielding sheet socket 2111 constitutes the connecting structure of the first shielding sheet 211 for connecting the corresponding ground contact 400. The socket is provided on the first shielding sheet 211, which is convenient for manufacturing. The first shielding sheet 211 is provided with an open slot 2112 beside the shielding sheet socket 2111, which can make one side wall of the shielding sheet socket 2111 have a deformation capacity, provide a deformation avoidance space for the deformation of the shielding sheet socket 2111 part of the first shielding sheet 211 when the connecting end of the corresponding ground contact 400 is clamped into the shielding sheet socket 2111, and facilitate the clamping of the corresponding ground contact 400 into the shielding sheet socket 2111 and reduce metal scraps.

[0043] In combination Figure 7 , Figure 8 , Figure 9 , Figure 10, the insulator of the second terminal module 22 is a second insulator 225, the signal terminal of the second terminal module 22 is a second signal terminal 224, the ground terminal of the second terminal module 22 is a second ground terminal 223, and the shielding sheet of the second terminal module 22 is a third shielding sheet 222. The second ground terminal 223 constitutes a ground component of the second terminal module 22, that is, the second ground terminal 223 is connected with the corresponding ground contact 400, one end of the second ground terminal 223 close to the insertion end of the second signal terminal 224 is provided with a protruding part protruding from the second insulator 225, and the protruding part is provided with a terminal socket 2231, that is, the socket of the corresponding ground component. The connecting end of the corresponding ground contact 400 is connected with the second ground terminal 223 by being clamped into the terminal socket 2231, and the terminal socket 2231 constitutes a connecting structure on the second ground terminal 223 for connecting the corresponding ground contact 400. The socket is provided on the second ground terminal 223 for clamping the ground contact 400, which is beneficial to simplify the structure of the ground contact 400 and facilitate the manufacture. The protruding part of the second ground terminal 223 provided with the terminal socket 2231 is arranged in a spaced manner with the second insulator 225 in the width direction of the protruding part, so that a deformation avoidance space is formed beside the terminal socket 2231, the opposite two side walls of the terminal socket 2231 have deformation ability, and the deformation avoidance space is provided for the corresponding protruding part of the first ground terminal 213 to deform when the connecting end of the corresponding ground contact 400 is clamped into the terminal socket 2231, which facilitates the clamping of the corresponding ground contact 400 into the terminal socket 2231 and is beneficial to reduce metal scraps.

[0044] In combination Figure 10 , Figure 11 , Figure 12 , Figure 13 , Figure 14 , the housing 100 is provided with a partition plate to divide the inner cavity of the housing 100 into a mounting space and an insertion space, the shell body 300 is mounted in the mounting space of the housing 100, the insertion end of the ground contact 400 extends into the insertion space of the housing 100, and the terminal module is mounted in the mounting space of the housing 100 and the insertion end of the signal terminal thereof extends into the insertion space to be plugged and matched with the adapter connector.

[0045] The common ground shell 300 is provided with grounding mounting holes 301, first clamping grooves 311, second clamping grooves 312, third clamping grooves 313, first avoiding holes 321 and second avoiding holes 322. The grounding mounting holes 301 constitute mounting holes for mounting the grounding contact 400. The grounding mounting holes 301 are arranged in rows, and correspondingly, the grounding contact 400 is arranged in rows. One row of grounding contacts 400 corresponds to one terminal module, and the insertion ends of any two differential pairs of the same terminal module are both provided with the grounding contact 400. The first avoiding holes 321 and the second avoiding holes 322 are arranged in rows. The number of the same row of avoiding holes is consistent with the number of differential pairs of the same terminal module. One row of first avoiding holes 321 corresponds to one first terminal module 21. The first insulator 215 of the first terminal module 21 has an extension protrusion close to the insertion end of the first signal terminal 214 and covering the corresponding differential pair. The first avoiding hole 321 is used for accommodating the extension protrusion of the first insulator 215 of the first terminal module 21. The insertion end of the differential pair of the first terminal module 21 can extend to the insertion space through the partition plate of the shell 100. One row of second avoiding holes 322 corresponds to one second terminal module 22. The second insulator 225 of the second terminal module 22 has an extension protrusion close to the insertion end of the second signal terminal 224 and covering the corresponding differential pair. The second avoiding hole 322 is used for accommodating the extension protrusion of the second insulator 225 of the second terminal module 22. The insertion end of the differential pair of the second terminal module 22 can extend to the insertion space through the partition plate of the shell 100. The first clamping grooves 311 and the second clamping grooves 312 are arranged in groups. One group corresponds to one first terminal module 21. The first clamping groove 311 is used for clamping the first shielding sheet 211, and the second clamping groove 312 is used for clamping the second shielding sheet 212. The third clamping grooves 313 are arranged in groups of two. One group corresponds to one second terminal module 22. The two third clamping grooves 313 of the same group are used for clamping the two third shielding sheets 222 of the second terminal module 22, respectively, so as to form a grounding conduction between the terminal module and the common ground shell 300.

[0046] The connector is a right-angled connector, differential pairs of adjacent terminal modules are arranged staggeredly, and the first relief hole 321 and the second relief hole 322 are arranged staggeredly accordingly. The side-by-side direction of each differential pair of the same terminal module is perpendicular to the parallel direction of the two signal terminals of the differential pair, one of the two signal terminals of the differential pair is directly opposite the corresponding ground contact 400 in the side-by-side direction of each differential pair, and the other is directly opposite the signal terminal of the adjacent terminal module in the side-by-side direction of each differential pair. The thickness direction of the ground contact 400 is perpendicular to the thickness direction of the ground terminal and the shielding sheet, and the thickness direction of the ground contact 400 is consistent with the thickness direction of the insertion end of the signal terminal, which is suitable for the arrangement form of the right-angled connector and facilitates the setting of the connection structure of the ground contact 400 and the ground component of the terminal module. The thickness direction of the ground contact 400 is the thickness direction of the material belt used to form the contact, and the connector is a male connector, the mating connector is a female connector, the insertion end of the signal terminal is a pin structure, the ground contact 400 is a ground pin, and the insertion end of the ground contact 400 is a pin structure. The ground pin is used in contact with the ground spring structure of the mating connector. The ground contact 400 in the form of a pin is convenient to pass through the common ground housing 300.

[0047] The ground contact 400 is provided with a righting bulge 411, an interference protrusion 412, a guide chamfer 413, and a limiting shoulder 414. The guide chamfer 413 is arranged at the connection end of the ground contact 400 to guide the connection end to be clamped into the corresponding socket when the ground contact 400 is connected with the corresponding ground component. The interference protrusion 412 is arranged on both sides of the ground contact 400 in the width direction to interfere with the ground mounting hole 301. The righting bulge 411 is arranged on one side of the ground contact 400 in the thickness direction, and is used to abut the hole wall of the ground mounting hole 301 to avoid the ground contact 400 from being skewed in the ground mounting hole 301. The end aperture of the ground mounting hole 301 facing the terminal module constitutes a mounting opening for the ground contact 400 to be mounted into the ground mounting hole 301. When mounted in place, the limiting shoulder 414 of the ground contact 400 is blocked with the mouth of the mounting opening to ensure the installation position of the ground contact 400, and the connection end of the ground contact 400 protrudes out of the ground mounting hole 301, which facilitates the connection of the ground contact 400 with the corresponding ground component. The ground mounting hole 301 is a through hole along the connector insertion direction, so that the ground contact 400 can be mounted from the end aperture facing the terminal module, and the ground mounting hole 301 is a through hole, which is beneficial to electroplating in the ground mounting hole 301 and avoids the problem of blind hole difficult to electroplate.

[0048] In other embodiments, the connecting end of the grounding contact piece can be exposed by making the connecting end of the grounding contact piece not protrude from the grounding mounting hole, but instead be exposed from the corresponding aperture of the grounding mounting hole, and a corresponding protrusion can be provided on the grounding component to facilitate connection with the connecting end of the grounding contact piece located in the grounding mounting hole.

[0049] In other embodiments, a bayonet can be provided on the connecting end of the grounding contact piece, and the edge of the grounding component can be provided with a clamping portion for clamping the bayonet of the grounding contact piece, and the connecting structure formed by the bayonet can be provided on the grounding contact piece.

[0050] In other embodiments, the deformed avoidance space can not be provided, and the connecting end of the grounding contact piece can be forcibly clamped into the bayonet of the grounding component.

[0051] In other embodiments, the common ground shell can also be made of conductive plastic material.

[0052] In other embodiments, according to the arrangement of the terminals of the connector, the terminal module can be provided in only one type when there is sufficient space, and each grounding contact piece can be connected to a grounding terminal, or each grounding contact piece can be connected to a corresponding shielding sheet.

[0053] In other embodiments, the connector can be a female connector, and the insertion end of the grounding contact piece can be provided in a contact spring structure.

[0054] Finally, it should be noted that the above description is only a preferred embodiment of the present application, and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments without creative labor, or replace some of the technical features with equivalent ones. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A connector characterized by, The connector comprises a terminal module, a grounding contact (400) and a common ground shell (300), the terminal module comprises an insulator and a differential pair and a grounding component fixed to the insulator, the common ground shell (300) is provided with a mounting hole for mounting the grounding contact (400), the grounding contact (400) has a plug-in end for cooperating with a corresponding terminal of an adapter connector, the other end of the grounding contact (400) away from the plug-in end protrudes or is exposed from the mounting hole and constitutes a connecting end, and one of the grounding component and the connecting end is provided with a connecting structure connected to the other.

2. The connector of claim 1, wherein The grounding component is provided with a bayonet, the connecting end of the grounding contact (400) is clamped into the bayonet, and the connecting structure is formed by the bayonet.

3. The connector of claim 2, wherein The grounding component is provided with a deformation avoidance space beside the bayonet for deforming the grounding component when the connecting end is clamped into the bayonet.

4. The connector of claim 2 or 3, wherein The connecting end of the grounding contact (400) is provided with a guide chamfer (413) for guiding the connecting end to be clamped into the bayonet.

5. The connector according to claim 1 or 2 or 3, wherein The hole opening of the mounting hole of the common ground shell (300) towards the terminal module constitutes a mounting opening for mounting the grounding contact (400) into the mounting hole, and the connecting end of the grounding contact (400) is provided with a limiting shoulder (414) for abutting and blocking cooperation with the hole opening of the mounting opening and protruding from the mounting hole.

6. The connector of claim 1 or 2 or 3, wherein The grounding component is a grounding terminal of the terminal module; or the grounding component is a shielding sheet arranged on at least one side of the insulator in the thickness direction of the terminal module.

7. The connector of claim 1 or 2 or 3, wherein The terminal module of the connector has two kinds, the grounding component of a first terminal module (21) is a shielding sheet arranged on at least one side of the insulator in the thickness direction of the first terminal module (21), and the grounding component of a second terminal module (22) is a grounding terminal of the second terminal module (22).

8. The connector of claim 1 or 2 or 3, wherein The grounding contact (400) is provided with a bulge protruding towards one side in the thickness direction thereof, and the bulge is used for abutting against the hole wall of the mounting hole.

9. The connector of claim 1 or 2 or 3, wherein The thickness direction of the grounding contact (400) is perpendicular to the thickness direction of the grounding component.

10. The connector of claim 1 or 2 or 3, wherein The grounding contact (400) is a grounding pin, and the grounding pin is used for contact cooperation with a grounding spring structure of an adapter connector.

11. The connector of claim 1 or 2 or 3, wherein The common ground shell (300) is made of conductive plastic, or the common ground shell (300) is made by setting a metal plating layer on a plastic base.

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