CN114665291A - Elastic contact high-speed connector - Google Patents

Elastic contact high-speed connector Download PDF

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Publication number
CN114665291A
CN114665291A CN202210336205.1A CN202210336205A CN114665291A CN 114665291 A CN114665291 A CN 114665291A CN 202210336205 A CN202210336205 A CN 202210336205A CN 114665291 A CN114665291 A CN 114665291A
Authority
CN
China
Prior art keywords
contact
cantilever
connecting piece
butt joint
pcb
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210336205.1A
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Chinese (zh)
Inventor
张海旭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Aerospace Science and Industry Appliance Co Ltd
Original Assignee
Shanghai Aerospace Science and Industry Appliance Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Aerospace Science and Industry Appliance Co Ltd filed Critical Shanghai Aerospace Science and Industry Appliance Co Ltd
Priority to CN202210336205.1A priority Critical patent/CN114665291A/en
Publication of CN114665291A publication Critical patent/CN114665291A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/716—Coupling device provided on the PCB
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The invention provides an elastic contact high-speed connector which comprises a base, a grounding contact element and a signal contact element, wherein a first groove structure for mounting the grounding contact element and a second groove structure for mounting the signal contact element are arranged in the base; the grounding contact piece comprises a first connecting piece, an elastic arm structure and a first contact structure; the first connecting piece is connected with the base, the first contact structure is in contact with the PCB, the elastic arm structure is arranged between the first connecting piece and the first contact structure and can elastically deform, and when the first contact structure is in contact with the PCB, the elastic arm structure is in a stressed state; the signal contact piece comprises a second connecting piece, a cantilever structure and a second contact structure; the second connecting piece is connected with the base, the second contact structure is in contact with the PCB, the cantilever structure is arranged between the second connecting piece and the second contact structure, the cantilever structure can be elastically deformed, and when the second contact structure is in contact with the PCB, the cantilever structure is in a stressed state.

Description

Elastic contact high-speed connector
Technical Field
The invention relates to the technical field of electrical component plugging, in particular to an elastic contact high-speed connector.
Background
The high-speed connector has high requirements on the contact reliability of the contact, the connection between the connector and the PCB in the past is mostly in the forms of welding, crimping and the like, the structural assembly is very inconvenient, the connector needing to be welded needs to be equipped with special welding equipment, the connector needing to be crimped needs to be equipped with large equipment for crimping operation, and great inconvenience is brought to processing and production under the condition that the components of the PCB are highly dense.
Disclosure of Invention
The present invention addresses the deficiencies of the prior art by providing a resilient contact high speed connector.
The invention solves the technical problems through the following technical means:
an elastic contact high-speed connector comprises a base, a grounding contact element and a signal contact element, wherein a first groove structure for mounting the grounding contact element and a second groove structure for mounting the signal contact element are arranged in the base;
the grounding contact piece comprises a first connecting piece, an elastic arm structure and a first contact structure; the first connecting piece is connected with the base, the first contact structure is in contact with a grounding point on the PCB, the elastic arm structure is arranged between the first connecting piece and the first contact structure, the elastic arm structure can be elastically deformed, and when the first contact structure is in contact with the grounding point on the PCB, the elastic arm structure is in a stressed state;
the signal contact comprises a second connector, a cantilever structure and a second contact structure; the second connecting piece is connected with the base, the second contact structure is contacted with the signal transmission point on the PCB board, the cantilever structure sets up between second connecting piece and second contact structure, the cantilever structure can elastic deformation, and when the second contact structure contacts with the signal transmission point on the PCB board, the cantilever structure is in the stress state.
As an improvement of the above technical solution, the first contact structure is provided in a U shape, and the second contact structure is provided in a columnar shape.
As an improvement of the technical scheme, a first barb structure is arranged on the first connecting piece, a first barb groove matched with the first barb structure is arranged on the first groove structure, and the grounding contact piece is limited towards the direction of the PCB; the second groove structure is provided with a second barb groove matched with the second barb structure for use, and the second barb groove limits the signal contact element to the direction of the PCB.
As an improvement of the above technical solution, a first butt joint structure and a second butt joint structure which are in butt joint fit with the butt joint end are arranged at one end of the first connecting piece, which is far away from the first contact structure; and one end of the second connecting piece, which is far away from the second contact structure, is provided with a third butt joint structure in butt joint fit with the butt joint end.
As an improvement of the above technical scheme, the first connecting piece is provided with a limiting block, the limiting block protrudes out of the surfaces of the first butt joint structure and the second butt joint structure, and the inner wall of the first groove structure is provided with a first limiting groove matched with the limiting block to limit the first connecting piece towards the butt joint end;
the cantilever structure sets up to the arc, and cantilever structure protrusion in third butt joint structural surface, second groove structure inner wall is provided with the second spacing groove with cantilever structure complex, carries on spacingly to the butt joint end direction to the second connecting piece.
As an improvement of the above technical scheme, the cantilever structures are four, and are respectively a first cantilever structure, a second cantilever structure, a third cantilever structure and a fourth cantilever structure, and the four cantilever structures are arranged in an S shape.
As an improvement of the technical scheme, the bottom of the base is provided with a rivet, one end of the rivet is connected with the bottom of the base, and the other end of the rivet is connected with the PCB.
The invention has the beneficial effects that: the elastic arm structure is arranged to enable the first contact structure to be in elastic contact with a grounding point on the PCB, and the cantilever structure is arranged to enable the second contact structure to be in elastic contact with a signal transmission point on the PCB, so that reliable contact connection between the grounding contact element and the PCB and reliable contact connection between the signal contact element and the PCB are achieved; therefore, reliable signal transmission between the PCBs and the equipment is realized.
Drawings
Fig. 1 is a schematic perspective view of an elastic contact high-speed connector according to an embodiment of the invention;
FIG. 2 is a schematic diagram of a partial cross-sectional structure of an elastic contact high-speed connector according to an embodiment of the invention;
FIG. 3 is a schematic structural diagram of a ground contact according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a signal contact according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of an elastic contact high-speed connector and a PCB according to an embodiment of the invention;
1. a base; 11. a first groove structure; 12. a second groove structure; 2. riveting; 3. a ground contact; 31. a first barb structure; 33. a limiting block; 36. a first docking structure; 37. a second docking structure; 38. a spring arm structure; 39. a first contact structure; 4. a signal contact; 41. a second barb structure; 43. a third docking structure; 44. a first cantilever structure; 45. a second cantilever structure; 46. a third cantilever structure; 47. a fourth cantilever structure; 48. a second contact structure.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Examples
As shown in fig. 1, fig. 2 and fig. 5, the elastic contact high-speed connector according to the present embodiment includes a base 1, a ground contact 3 and a signal contact 4, wherein a first groove structure 11 for mounting the ground contact 3 and a second groove structure 12 for mounting the signal contact 4 are disposed in the base 1;
as shown in fig. 3, the ground contact 3 includes a first connector, an elastic arm structure 38, and a first contact structure 39; the first connecting piece is connected with the base 1, the first contact structure 39 is in contact with a ground point on the PCB A, the elastic arm structure 38 is arranged between the first connecting piece and the first contact structure 39, the elastic arm structure 38 can be elastically deformed, and when the first contact structure 39 is in contact with the ground point on the PCB A, the elastic arm structure 38 is in a stressed state;
as shown in fig. 4, the signal contact 4 includes a second connection member, a cantilever structure, and a second contact structure 48; the second connecting piece is connected with base 1, the signal transmission point contact on second contact structure 48 and the PCB board A, cantilever structure sets up between second connecting piece and second contact structure 48, cantilever structure can elastic deformation, and when second contact structure 48 contacted with the signal transmission point on the PCB board A, cantilever structure was in the stress state.
The elastic arm structure 38 is arranged to enable the first contact structure 39 to be in elastic contact with a ground point on the PCB A, and the cantilever structure is arranged to enable the second contact structure 48 to be in elastic contact with a signal transmission point on the PCB A, so that the ground contact 3 and the signal contact 4 are in reliable contact connection with the PCB A; therefore, reliable signal transmission between the PCB boards A and equipment is realized; meanwhile, damage to the contact and the PCB due to the excessive rigid contact between the ground contact 3 and the signal contact 4 and the PCB a is prevented.
As shown in fig. 2 and 3, the first contact structure 39 is U-shaped; as shown in fig. 2 and 4, the second contact structure 48 is provided in a column shape.
The columnar second contact structures 48 penetrate through the U-shaped first contact structures 39, so that the space is saved, and meanwhile, the first contact structures 39 and the second contact structures 48 are not easy to touch, and the reliability of contact connection is not influenced.
As shown in fig. 2 and 3, the first connecting member is provided with a first barb structure 31, the first groove structure 11 is provided with a first barb groove used in cooperation with the first barb structure 31, and the grounding contact 3 is limited in the direction of the PCB a;
as shown in fig. 2 and 4, a second barb structure 41 is disposed on the second connector, and a second barb groove used in cooperation with the second barb structure 41 is disposed on the second groove structure 12 to limit the signal contact 4 in the direction of the PCB a.
The first barb structure 31 and the second barb structure 41 are arranged to limit the grounding contact piece 3 and the signal contact piece 4 to the direction of the PCB A; the grounding contact 3, the signal contact 4 and the PCB A are prevented from being damaged due to excessive movement of the grounding contact 3 and the signal contact 4 towards the PCB A.
As shown in fig. 3, the end of the first connecting piece away from the first contact structure 39 is provided with a first docking structure 36 and a second docking structure 37 for docking and matching with the docking end; as shown in fig. 4, an end of the second connector remote from the second contact structure 48 is provided with a third docking structure 43 for docking engagement with the docking end.
As shown in fig. 3, the first connecting member is provided with a limiting block 33, the limiting block 33 protrudes out of the surfaces of the first and second butting structures 36 and 37, and the inner wall of the first groove structure 11 is provided with a first limiting groove matched with the limiting block 33 for limiting the first connecting member towards the butting end; the first contact structure 39 is prevented from coming out of contact with the PCB.
As shown in fig. 4, the cantilever structure is arc-shaped and protrudes out of the surface of the third docking structure 43, and the inner wall of the second groove structure 12 is provided with a second limiting groove matched with the cantilever structure to limit the second connecting piece towards the docking end; the second contact structure 48 is prevented from coming out of contact with the PCB board.
As shown in fig. 4, the number of the cantilever structures is four, and the four cantilever structures are respectively a first cantilever structure 44, a second cantilever structure 45, a third cantilever structure 46 and a fourth cantilever structure 47, and the four cantilever structures are arranged in an S shape; the elasticity can be improved while preventing breakage.
As shown in FIG. 1, a rivet 2 is installed at the bottom of the base 1, one end of the rivet 2 is connected with the bottom of the base 1, and the other end of the rivet is connected with a PCB A.
It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (7)

1. An elastic contact high speed connector characterized by: the grounding contact piece structure comprises a base (1), a grounding contact piece (3) and a signal contact piece (4), wherein a first groove structure (11) for mounting the grounding contact piece (3) and a second groove structure (12) for mounting the signal contact piece (4) are arranged in the base (1);
the grounding contact piece (3) comprises a first connecting piece, an elastic arm structure (38) and a first contact structure (39); the first connecting piece is connected with the base (1), the first contact structure (39) is in contact with a ground point on the PCB, the elastic arm structure (38) is arranged between the first connecting piece and the first contact structure (39), the elastic arm structure (38) can be elastically deformed, and when the first contact structure (39) is in contact with the ground point on the PCB, the elastic arm structure (38) is in a stressed state;
the signal contact (4) comprises a second connection member, a cantilever structure and a second contact structure (48); the second connecting piece is connected with base (1), signal transmission point contact on second contact structure (48) and the PCB board, cantilever structure sets up between second connecting piece and second contact structure (48), cantilever structure can elastic deformation, and when second contact structure (48) contacted with the signal transmission point on the PCB board, cantilever structure was in the stress state.
2. The spring contact high speed connector of claim 1, wherein: the first contact structure (39) is provided in a U shape, and the second contact structure (48) is provided in a columnar shape.
3. The spring contact high speed connector of claim 1, wherein: the first groove structure (11) is provided with a first barb groove matched with the first barb structure (31) for use, and the grounding contact piece (3) is limited towards the direction of the PCB; the second connector is provided with a second barb structure (41), the second groove structure (12) is provided with a second barb groove matched with the second barb structure (41) for use, and the signal contact element (4) is limited in the direction of the PCB.
4. The spring contact high speed connector of claim 1, wherein: a first butt joint structure (36) and a second butt joint structure (37) which are in butt joint fit with the butt joint ends are arranged at one end, far away from the first contact structure (39), of the first connecting piece; and a third butt joint structure (43) which is in butt joint fit with the butt joint end is arranged at one end, far away from the second contact structure (48), of the second connecting piece.
5. The spring contact high speed connector of claim 4, wherein: the first connecting piece is provided with a limiting block (33), the limiting block (33) protrudes out of the surfaces of the first butt joint structure (36) and the second butt joint structure (37), and the inner wall of the first groove structure (11) is provided with a first limiting groove matched with the limiting block (33) to limit the first connecting piece towards the butt joint end direction;
the cantilever structure sets up to the arc, and cantilever structure protrusion in third butt joint structure (43) surface, second groove structure (12) inner wall be provided with cantilever structure complex second spacing groove, spacing to the second connecting piece to butt joint end direction.
6. An elastic contact high-speed connector according to claim 1 or 5, wherein: the cantilever structure is provided with four, is first cantilever structure (44), second cantilever structure (45), third cantilever structure (46) and fourth cantilever structure (47) respectively, is the S type setting between four cantilever structures.
7. The spring contact high speed connector of claim 1, wherein: rivet (2) are installed to base (1) bottom, rivet (2) one end is connected with base (1) bottom, and the other end is connected with the PCB board.
CN202210336205.1A 2022-03-11 2022-03-11 Elastic contact high-speed connector Pending CN114665291A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210336205.1A CN114665291A (en) 2022-03-11 2022-03-11 Elastic contact high-speed connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210336205.1A CN114665291A (en) 2022-03-11 2022-03-11 Elastic contact high-speed connector

Publications (1)

Publication Number Publication Date
CN114665291A true CN114665291A (en) 2022-06-24

Family

ID=82034031

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210336205.1A Pending CN114665291A (en) 2022-03-11 2022-03-11 Elastic contact high-speed connector

Country Status (1)

Country Link
CN (1) CN114665291A (en)

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