Grounding terminal, connector and electronic equipment

Abstract

The embodiment of the utility model relates to the technical field of connectors, and particularly discloses a grounding terminal, a connector and electronic equipment, which comprise a first contact part, a first elastic arm part, a first holding part and a second contact part, the first elastic arm part is connected to one end of the first contact part, the first holding part is connected to one end, far away from the first contact part, of the first elastic arm part, the first holding part is used for being fixed to an insulating body and used for being connected to a conductive piece, and the second contact part is connected to the other end of the first contact part and used for being connected to the conductive piece. And the second contact part is used for being connected with a conductive piece. Through the above mode, the end portion of the other end of the first contact portion is used for being connected with the conductive member through the second contact portion, and stubs on the first contact portion are eliminated to form an effective signal return path, thereby reducing crosstalk and resonance.

Description

TECHNICAL FIELD

[0001] The embodiment of the utility model relates to the technical field of connector, especially to a grounding terminal, a connector and electronic equipment. BACKGROUND

[0002] The connector is a kind of device that bridges two electronic devices, makes two electronic devices electrically connected, and realizes signal, data and power transmission between two electronic devices.The connector usually includes an insulating body, a plurality of grounding terminals, a plurality of signal terminal pairs and a conductive piece, the plurality of grounding terminals, the plurality of signal terminal pairs and the conductive piece are all arranged in the insulating body, and the contact terminal is connected to the conductive piece.

[0003] However, in the process of realizing the embodiment of the utility model, the inventor finds that: at present, the grounding terminal includes a contact part, a spring arm part and a holding part, the contact part, the spring arm part and the holding part are connected in sequence, the holding part is connected to the conductive piece, and the part of the contact part facing one end of the spring arm part is used to be connected to the mating piece, so that the part used to be connected to the mating piece forms a stump (useless signal transmission path) between the end of the other end of the contact part away from the spring arm part, causing the return signal to be radiated away and reflected back at the end of the one end of the stump away from the spring arm part, thereby causing the signals on the adjacent high-speed transmission path to produce crosstalk and resonance. CONTENT OF THE UTILITY MODEL

[0004] The technical problem solved by the utility model is to provide a grounding terminal that can solve the problem of forming a stump between the part used to be connected to the mating piece and the end of the other end of the contact part away from the spring arm part, thereby causing the return signal to be radiated away or reflected back at the end of the one end of the stump away from the spring arm part, thereby causing the signals on the adjacent high-speed transmission path to produce crosstalk and resonance.

[0005] To solve the above technical problems, one technical scheme adopted by the utility model is to provide a grounding terminal, which includes a first contact part, a first spring arm part, a first holding part and a second contact part, part of one end of the first contact part is used to be connected to the mating piece, the first spring arm part is connected to one end of the first contact part, the first holding part is connected to the first spring arm part away from one end of the first contact part, the first holding part is used to be fixed to the insulating body and connected to the conductive piece, and the second contact part is connected to the end of the other end of the first contact part, and the second contact part is used to be connected to the conductive piece.

[0006] Optionally, the second contact part is inclinedly arranged towards the first holding part.

[0007] Optionally, the first spring arm part is provided with a through slot.

[0008] Optionally, the grounding terminal comprises at least one third contact part connected to the first elastic arm part, and the third contact part is used for connecting to the conductive member.

[0009] Optionally, the first holding part and the first elastic arm part enclose a receiving groove used for accommodating a part of the conductive member.

[0010] To solve the above technical problems, the utility model adopts another technical scheme, which provides a connector, which comprises an insulating body, a plurality of signal terminal pairs, a conductive member and a plurality of above-mentioned grounding terminals, the insulating body is provided with a slot for inserting a mating member, the signal terminal pair comprises two signal terminals, the signal terminal, the grounding terminal and the conductive member are all arranged on the insulating body, the signal terminal partially extends into the slot, the first contact part of the grounding terminal partially extends into the slot, the signal terminal pair and the grounding terminal are arranged along a first direction, forming an arrangement mode that one grounding terminal, one signal terminal pair and one grounding terminal form a group.

[0011] Each signal terminal pair has a first center distance and a second center distance, the first center distance is greater than the second center distance, so that the parts of each signal terminal pair at the second center distance are close to each other.

[0012] Optionally, the signal terminal comprises a fourth contact part, a second elastic arm part, a connecting part and a second holding part, the fourth contact part, the second elastic arm part, the connecting part and the second holding part are sequentially connected, and part of the fourth contact part extends into the slot.

[0013] The distance between the center lines of the fourth contact parts of each signal terminal pair forms the first center distance.

[0014] The center lines of the second elastic arm part, the connecting part and the second holding part are collinear, and the distance between the center lines of the second elastic arm parts of each signal terminal pair forms the second center distance, so that the second elastic arm part, the connecting part and the second holding part of each signal terminal pair are close to each other.

[0015] Optionally, the signal terminal comprises a first welding part connected to the second holding part, and the center line of the first welding part is collinear with the center line of the fourth contact part.

[0016] Optionally, the center line of the first contact part of the grounding terminal and the center line of the adjacent fourth contact part form a third center distance, the center lines between the first contact parts of the two adjacent grounding terminals form a fourth center distance, and the third center distance, the fourth center distance and the first center distance are all equal.

[0017] Optionally, the ground terminal comprises a second soldering portion, a center line of the second soldering portion is collinear with a center line of the first contact portion of the ground terminal.

[0018] Optionally, the insulating body is provided with a first receiving groove, the first receiving groove is communicated with the insertion slot, and two second elastic arm portions of the signal terminal pair are received in the first receiving groove.

[0019] To solve the above technical problems, another technical scheme of the utility model is provided: an electronic device comprising the connector.

[0020] In the embodiment of the utility model, the ground terminal comprises a first contact portion, a first elastic arm portion, a first holding portion and a second contact portion, one end of the first contact portion is used for being connected to a counterpart, the first elastic arm portion is connected to one end of the first contact portion, the first holding portion is connected to an end of the first elastic arm portion away from the first contact portion, the first holding portion is used for being fixed to an insulating body and being connected to a conductive member, the second contact portion is connected to an end of the other end of the first contact portion, and the second contact portion is used for being connected to the conductive member. The other end of the first contact portion is used for being connected to the conductive member through the second contact portion, the stub on the first contact portion is eliminated to form an effective signal return path, the signal at the other end of the first contact portion is guided to the conductive member by the second contact portion, the signal at the end of the stub away from the first contact portion is prevented from radiating outward to interfere with adjacent signals, thereby reducing crosstalk, and the signal at the end of the stub away from the first contact portion is prevented from being reflected back, thereby reducing resonance. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments of the present application. Obviously, the drawings described below are only some embodiments of the present application, and other drawings can be obtained by the drawings without paying creative labor.

[0022] Figure 1 It is a structural schematic diagram of the connector of the embodiment of the utility model;

[0023] Figure 2 It is an explosive structural schematic diagram of the connector of the embodiment of the utility model;

[0024] Figure 3 It is a structural bottom view schematic diagram of the connector of the embodiment of the utility model;

[0025] Figure 4 It is a structural cross-sectional schematic diagram of the connector of the embodiment of the utility model;

[0026] Figure 5 is a structure schematic view of the insulating body of the connector of the embodiment of the utility model;

[0027] Figure 6 is a structure cross section schematic view of the insulating body of the connector of the embodiment of the utility model;

[0028] Figure 7 is a structure schematic view of the signal terminal and the ground terminal of the connector of the embodiment of the utility model;

[0029] Figure 8 is a structure front view schematic view of the signal terminal and the ground terminal of the connector of the embodiment of the utility model;

[0030] Figure 9 is a structure schematic view of the conductive piece of the connector of the embodiment of the utility model.

[0031] Explanation of reference signs:

[0032] 100, connector;

[0033] 1, insulating body; 11, insertion slot; 12, first receiving groove; 13, second receiving groove; 14, third receiving groove; 15, fixed groove; 16, fourth receiving groove; 17, fifth receiving groove; 18, sixth receiving groove;

[0034] 2, signal terminal; 21, fourth contact part; 22, second elastic arm part; 23, connecting part; 24, second holding part; 25, first welding part;

[0035] 3, ground terminal; 31, first contact part; 32, first elastic arm part; 321, through slot; 33, first holding part; 34, second contact part; 35, third contact part; 36, second welding part; 37, accommodating groove;

[0036] 4, conductive piece; 41, opening. DETAILED DESCRIPTION

[0037] In order to facilitate understanding of the utility model, the utility model is explained in more detail below in combination with the drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on another element or one or more intervening elements can exist therebetween. When an element is described as "connected to" another element, it can be directly connected to another element or one or more intervening elements can exist therebetween. The terms "vertical", "horizontal", "left", "right" and similar expressions used in the specification are only for the purpose of illustration.

[0038] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application. The use herein of "and / or" means any one or all possible combinations of one or more relevantly listed items.

[0039] The application provides a connector 100, please refer to Figures 1-4 The connector 100 includes an insulating body 1, a plurality of signal terminal pairs, a plurality of ground terminals 3 and a conductive piece 4. The signal terminal pairs, the ground terminals 3 and the conductive piece 4 are all arranged on the insulating body 1. The signal terminal pairs include two signal terminals 2, the signal terminal pairs and the ground terminals 3 are arranged along a first direction X, forming an arrangement mode of one ground terminal 3, one signal terminal pair and one ground terminal 3 as a group, and the ground terminals 3 are connected to the conductive piece 4. Among them, the insulating body 1 is used for plugging a mating piece, and the signal terminal pairs and the ground terminals 3 are both used for connecting to the mating piece and a circuit board, so as to electrically connect the mating piece and the circuit board.

[0040] In some embodiments, the signal terminal pairs and the ground terminals 3 are arranged in two rows along a second direction Y, and the second direction Y is perpendicular to the first direction X.

[0041] In some embodiments, the signal terminals 2 are differential signal terminals.

[0042] In some embodiments, the mating piece is an electronic component such as a graphics card, a sound card, a network adapter, etc.

[0043] For the above insulating body 1, please refer to Figure 5 and Figure 6The insulating body 1 is provided with a plug slot 11, a first receiving slot 12, a second receiving slot 13, a third receiving slot 14, a fixing slot 15, a fourth receiving slot 16, a fifth receiving slot 17 and a sixth receiving slot 18. The plug slot 11 penetrates one end of the insulating body 1, the plug slot 11 extends along the first direction X, and the plug slot 11 is used for plug connection of the counterpart. The first receiving slot 12 penetrates the other end of the insulating body 1, the first receiving slot 12 and the second receiving slot 13 are both communicated with the plug slot 11. The third receiving slot 14 is communicated with the first receiving slot 12. The fixing slot 15 penetrates the other end of the insulating body 1, and the fixing slot 15 is communicated with the third receiving slot 14. Among them, the first receiving slot 12, the second receiving slot 13, the third receiving slot 14 and the fixing slot 15 all receive the signal terminal 2. The fourth receiving slot 16 penetrates the other end of the insulating body 1, and the fourth receiving slot 16 is communicated with the plug slot 11. The fifth receiving slot 17 penetrates the other end of the insulating body 1, and the fifth receiving slot 17 is communicated with the fourth receiving slot 16. The sixth receiving slot 18 penetrates the other end of the insulating body 1, and the sixth receiving slot 18 is communicated with the fifth receiving slot 17. Among them, the fourth receiving slot 16 and the sixth receiving slot 18 receive the grounding terminal 3, and the fifth receiving slot 17 receives the conductive part 4.

[0044] For the above-mentioned signal terminal 2, please refer to Figure 7 and Figure 8 The signal terminal 2 includes a fourth contact part 21, a second elastic arm part 22, a connecting part 23, a second holding part 24 and a first welding part 25, which are sequentially connected, the center line of the fourth contact part 21 and the center line of the first welding part 25 are collinear, the center line of the second elastic arm part 22, the center line of the connecting part 23 and the center line of the second holding part 24 are collinear, the distance between the center lines of the fourth contact parts 21 of each signal terminal pair forms a first center distance La, the distance between the center lines of the second elastic arm parts 22 of each signal terminal pair forms a second center distance Lb, the first center distance La is greater than the second center distance Lb, so that the second elastic arm parts 22, the connecting parts 23 and the second holding parts 24 between the signal terminal pairs are close to each other, thereby increasing the coupling inside the signal terminal pair. The fourth contact part 21 is received in the second receiving slot 13, and part of the fourth contact part 21 extends into the plug slot 11, and the fourth contact part 21 is used for connection to the counterpart. The second elastic arm part 22 is received in the first receiving slot 12. The connecting part 23 is received in the third receiving slot 14, one end of the connecting part 23 connected with the second elastic arm part 22 extends into the first receiving slot 12, and one end of the connecting part 23 connected with the second holding part 24 extends into the fixing slot 15. The second holding part 24 is clamped in the fixing slot 15, thereby fixing the signal terminal 2, and one end of the second holding part 24 connected with the first welding part 25 extends out of the fixing slot 15. The first welding part 25 is located outside the insulating body 1, and the first welding part 25 is used for connection to the circuit board.

[0045] In some embodiments, the thickness of the first contact portion 31, the thickness of the second elastic arm portion 22, the thickness of the connecting portion 23, the thickness of the second holding portion 24 and the thickness of the first welding portion 25 are the thickness of the plate material, so that the signal terminal 2 is a bent signal terminal, which can save material and reduce production cost compared with a blanked signal terminal.

[0046] It should be noted that the width of the fourth contact portion 21 is smaller than the second elastic arm portion 22, and the gap between the two second elastic arm portions 22 of the signal terminal pair is relatively small, so that the two second elastic arm portions 22 of the signal terminal pair are accommodated in the first accommodation groove 12, avoiding the situation that the insulating body 1 is easily broken due to the presence of a barrier strip with a small width.

[0047] In some embodiments, the signal terminal pairs arranged in two rows along the second direction Y are staggered, in other words, the signal terminal pair located in one row is opposite to the two ground terminals 3 in another row.

[0048] For the above-mentioned ground terminal 3, please refer to Figure 7 and Figure 8, the ground terminal 3 comprises a first contact part 31, a first elastic arm part 32, a first holding part 33, a second contact part 34, at least one third contact part 35 and a second welding part 36, the center line of the first contact part 31 is collinear with the center line of the second welding part 36, the center line of the first contact part 31 forms a third center distance Lc with the center line of the adjacent fourth contact part 21, the center line between the adjacent two first contact parts 31 forms a fourth center distance Ld, the third center distance Lc, the fourth center distance Ld and the first center distance La are all equal, the distance between the second elastic arm part 22, the connecting part 23 and the second holding part 24 of the adjacent signal terminal pair is enlarged, so as to enlarge the distance between the signal transmission paths of the adjacent signal terminal pair and reduce the crosstalk between the adjacent signal terminal pairs. The first contact part 31 is accommodated in the fourth accommodation groove 16, part of the first contact part 31 extends into the slot 11, and part of one end of the first contact part 31 is used for connection to the counterpart. The first elastic arm part 32 is accommodated in the fourth accommodation groove 16, the first elastic arm part 32 is connected to one end of the first contact part 31, and the first elastic arm part 32 extends out of the fourth accommodation groove 16 away from the one end of the first contact part 31. The first holding part 33 is clamped in the sixth accommodation groove 18, one end of the first holding part 33 extends out of the sixth accommodation groove 18, and the one end of the first holding part 33 is connected to the one end of the first elastic arm part 32 away from the first contact part 31. The first holding part 33 and the first elastic arm part 32 enclose a containing groove 37, and the containing groove 37 at least partially accommodates the conductive part 4. The second contact part 34 is accommodated in the fourth accommodation groove 16, the second contact part 34 is connected to the end part of the other end of the first contact part 31, and the second contact part 34 is inclinedly arranged towards the first holding part 33. The third contact part 35 is accommodated in the fourth accommodation groove 16, and the third contact part 35 is connected to the first elastic arm part 32. The second welding part 36 is located outside the insulating body 1, the second welding part 36 is connected to the one end of the first holding part 33, and the second welding part 36 is used for connection to the circuit board.

[0049] The first elastic arm part 32 is provided with a through groove 321 for reducing the elastic deformation force of the first elastic arm part 32, thereby reducing the force of the counterpart plug.

[0050] In some embodiments, the center line of the first contact part 31, the center line of the first elastic arm part 32, the center line of the first holding part 33 and the center line of the first welding part 25 are all collinear.

[0051] In some embodiments, the distance of the first center distance La, the third center distance Lc and the fourth center distance Ld is 1 millimeter, and the distance of the second center distance Lb is 0.8 millimeter.

[0052] For the above-mentioned conductive part 4, please refer to Figure 9The conductive piece 4 is accommodated in the fifth accommodation groove 17, the conductive piece 4 is connected to the first holding part 33, the second contact part 34 and the third contact part 35, the signal return path of the ground terminal 3 is optimized through the conductive piece 4, the crosstalk and resonance are effectively reduced, specifically, the residual stub existing on the first contact part 31 is eliminated through the conductive piece 4 connected to the second contact part 34 to form an effective signal return path, so that the signal at the end of the other end of the first contact part 31 is guided to the conductive piece 4 by the second contact part 34, the signal at the end of the one end of the first contact part 31 away from the residual stub is prevented from radiating outward to interfere with the adjacent signal, so that the crosstalk is reduced, and the signal at the end of the one end of the first contact part 31 away from the residual stub is prevented from being reflected back, so that the resonance is reduced. The conductive piece 4 is provided with an opening 41 close to the second holding part 24 to improve the characteristic impedance of the second holding part 24. The second contact part 34 is inclined towards the first holding part 33, which is beneficial to reducing the size of the conductive piece 4, so as to reduce the material of the conductive piece 4.

[0053] In some embodiments, since the signal terminals 2 are arranged in two rows along the second direction Y, the number of the conductive pieces 4 is two, and one conductive piece 4 is connected to one row of the ground terminals 3.

[0054] The utility model also provides an electronic equipment embodiment, including above connector 100, for the structure and function of connector 100 can refer to above embodiment, here will not be repeated.

[0055] It should be noted that the specification and drawings of the utility model give the preferred embodiments of the utility model, however, the utility model can be realized by many different forms, and is not limited to the embodiments described in the specification, these embodiments are not as additional limitation to the content of the utility model, and the purpose of providing these embodiments is to make the understanding of the disclosure of the utility model more thorough and comprehensive. Furthermore, the above technical features continue to combine, form various embodiments not listed above, and are regarded as the range of the specification of the utility model; further, for those skilled in the art, the above description can be improved or changed, and all these improvements and changes should belong to the protection scope of the utility model claims.

Claims

1. A ground terminal characterized by, The ground terminal comprises: a first contact portion, one end of which is used for connecting to a counterpart; a first elastic arm portion connected to one end of the first contact portion; a first holding portion connected to the end of the first elastic arm portion away from the first contact portion, which is used for fixing to an insulating body and for connecting to a conductive member; a second contact portion connected to the end of the other end of the first contact portion, which is used for connecting to a conductive member.

2. The ground terminal according to claim 1, wherein: the second contact portion is obliquely arranged towards the first holding portion.

3. The ground terminal according to claim 1, wherein: the first elastic arm portion is provided with a through slot.

4. The ground terminal according to claim 1, wherein: the ground terminal comprises at least one third contact portion connected to the first elastic arm portion, which is used for connecting to a conductive member.

5. The ground terminal according to any one of claims 1-4, wherein: the first holding portion and the first elastic arm portion enclose a receiving groove for accommodating a portion of a conductive member.

6. A connector characterized by comprising: The connector comprises an insulating body, a plurality of signal terminal pairs, a conductive member and a plurality of ground terminals according to any one of claims 1-5, the insulating body is provided with a slot for plugging a counterpart, each signal terminal pair comprises two signal terminals, the signal terminals, the ground terminals and the conductive member are arranged on the insulating body, the signal terminals partially extend into the slot, the first contact portion of the ground terminal partially extends into the slot, the signal terminal pairs and the ground terminals are arranged along a first direction, forming an arrangement mode that one ground terminal, one signal terminal pair and one ground terminal form a group; each signal terminal pair has a first center distance and a second center distance, the first center distance is greater than the second center distance, so that the portions of each signal terminal pair at the second center distance are close to each other.

7. The connector according to claim 6, wherein: the signal terminal comprises a fourth contact portion, a second elastic arm portion, a connecting portion and a second holding portion, which are sequentially connected, and a portion of the fourth contact portion extends into the slot; the distance between the center lines of the fourth contact portions of each signal terminal pair forms the first center distance; the center lines of the second elastic arm portions, the connecting portions and the second holding portions are collinear, and the distance between the center lines of the second elastic arm portions of each signal terminal pair forms the second center distance, so that the second elastic arm portions, the connecting portions and the second holding portions of each signal terminal pair are close to each other.

8. The connector according to claim 7, wherein: the signal terminal comprises a first welding portion connected to the second holding portion, and the center line of the first welding portion is collinear with the center line of the fourth contact portion.

9. The connector according to claim 8, wherein: A center line of the first contact portion of the ground terminal and a center line of an adjacent fourth contact portion form a third center distance, and a center line between the first contact portions of two adjacent ground terminals forms a fourth center distance, the third center distance, the fourth center distance, and the first center distance are all equal.

10. The connector according to claim 9, wherein The ground terminal includes a second solder portion, and a center line of the second solder portion is collinear with a center line of the first contact portion of the ground terminal.

11. The connector according to claim 7, wherein The insulating body is provided with a first receiving groove, the first receiving groove communicates with the insertion slot, and the two second elastic arm portions of the pair of signal terminals are received in the first receiving groove.

12. An electronic device, comprising: A connector as claimed in any one of claims 6 to 11.

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