CN111668610A - Bridge type terminal contact piece module structure and large-current terminal connecting structure - Google Patents
Bridge type terminal contact piece module structure and large-current terminal connecting structure Download PDFInfo
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- CN111668610A CN111668610A CN202010407589.2A CN202010407589A CN111668610A CN 111668610 A CN111668610 A CN 111668610A CN 202010407589 A CN202010407589 A CN 202010407589A CN 111668610 A CN111668610 A CN 111668610A
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- riveting
- terminal
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- bridging
- terminal group
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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
- H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
- H01R25/16—Rails or bus-bars provided with a plurality of discrete connecting locations for counterparts
- H01R25/161—Details
- H01R25/162—Electrical connections between or with rails or bus-bars
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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
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/06—Riveted connections
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Abstract
The invention discloses a bridging terminal contact piece module structure and a large-current terminal connecting structure, wherein the bridging terminal contact piece module structure comprises a first bridging terminal group and a second bridging terminal group which are arranged up and down, the middle parts of the first bridging terminal group and the second bridging terminal group are fixedly connected through riveting, the front end and the rear end of one surface, facing the second bridging terminal group, of the first bridging terminal group are respectively provided with at least one raised first contact point, the front end and the rear end of one surface, facing the first bridging terminal group, of the second bridging terminal group are respectively provided with at least one second contact point which is in one-to-one correspondence with the first contact points up and down in a protruding mode, and a gap is formed between the first contact points and the second contact points. The invention can flexibly change the overcurrent between the terminals through the modular structural design, meets the diversified requirements of actual current, and has the characteristics of simple structure, convenient assembly, safety, reliability and wide application range.
Description
Technical Field
The invention relates to the technical field of connectors, in particular to a bridge terminal contact piece module structure and a large-current terminal connecting structure.
Background
In the application market of a high-current terminal of a high-voltage connector, a first type of integrated round terminal adopts a rotary spring and torsion spring structure as a terminal contact piece, and a second type of integrated sheet metal terminal adopts a grid type contact piece; the two terminals are basically customized current terminals, the mold opening cost is high, and when different current requirements of the market are met, the connector with the overcurrent and the structure both conforming is difficult to match, the first type of terminal shell is generally formed by machining and low in efficiency, the inner contact piece of the terminal is generally formed by stamping through a copper alloy mold, the mold opening cost is high, the second type of terminal shell is formed by sheet metal, the inner contact piece of the terminal is formed by stamping through a mold, the terminal shell and the inner contact piece are generally correspondingly developed one-to-one, the development period is long, the terminal is not suitable for requirements of different space structures and cannot be flexibly used, the overcurrent of the two terminals cannot be changed, the application range is small, and when higher or lower overcurrent requirements exist, a new terminal needs to be redeveloped.
Disclosure of Invention
The invention provides a bridge terminal contact piece module structure aiming at the prior technical defects, can flexibly change the overcurrent between terminals through the module structure design, meets the diversified requirements of actual current, and has the characteristics of simple structure, convenient assembly, safety, reliability and wide application range.
In order to solve the above technical problem, the present invention provides a bridge terminal contact pad module structure, including a first bridge terminal group and a second bridge terminal group arranged up and down, the middle parts of the first bridge terminal group and the second bridge terminal group are fixed by riveting, the front and back ends of one side of the first bridge terminal group facing the second bridge terminal group are respectively provided with at least one raised first contact point, the front and back ends of one side of the second bridge terminal group facing the first bridge terminal group are respectively provided with at least one second contact point corresponding to the first contact point up and down in a protruding manner, and a gap is provided between the first contact point and the second contact point.
Furthermore, the middle parts of the first bridging terminal group and the second bridging terminal group are fixedly connected through riveting of riveting pressing pieces.
Furthermore, the first bridging terminal group and the second bridging terminal group both comprise a first bridging terminal contact piece and a second bridging terminal contact piece, and the middle parts of the first bridging terminal contact piece and the second bridging terminal contact piece are stacked and connected and fixed through the riveting piece in a riveting mode.
Furthermore, the first bridge terminal contact piece comprises a first riveting part in the middle, a left front bridge arranged on the left half side of the front end of the first riveting part and a right rear bridge arranged on the right half side of the rear end of the first riveting part; the second bridge terminal contact piece comprises a second riveting part in the middle, a right front bridge arranged on the right half side of the front end of the second riveting part and a left rear bridge arranged on the left half side of the rear end of the second riveting part; the first riveting portion and the second riveting portion are arranged in a stacked mode and are fixedly connected through the riveting sheets in a riveting mode, the left front axle and the right front axle are arranged in a left-right mode, and the left rear axle and the right rear axle are arranged in a left-right mode.
Furthermore, the corresponding positions of the left front axle and the right front axle and the corresponding positions of the left rear axle and the right rear axle are respectively provided with at least one raised electric contact point.
Furthermore, the left front axle, the right front axle, the left rear axle and the right rear axle are all in a wave shape.
Furthermore, the two sides of the first riveting portion and the second riveting portion are provided with riveting grooves clamped with the riveting sheets.
Furthermore, the riveting sheet is I-shaped, the vertical part in the middle of the riveting sheet is clamped in the riveting groove, and the horizontal parts at the upper end and the lower end of the riveting sheet are positioned at the outer sides of the first riveting part or the second riveting part.
Furthermore, two inner side corners of the riveting groove and four inner side corners of the riveting sheet are provided with concave arc grooves.
Still provide a heavy current terminal connection structure, including at least one as above bridging formula terminal contact piece module structure, still include the copper bar and the line ball terminal of inserting both ends around bridging formula terminal contact piece module structure respectively, the one end of copper bar and line ball terminal all inserts in the clearance between the first contact point and the second contact point of corresponding side, just the upper and lower surface of copper bar and line ball terminal is equallyd divide and is do not contacted with first contact point and second contact point.
The invention has the following beneficial effects:
according to the invention, the first bridging terminal group and the second bridging terminal group which are vertically arranged and riveted together are utilized to form a module structure for the contact connecting piece between the copper bar (terminal) and the terminal, so that one or more module structures can be arranged between the copper bar (terminal) and the terminal according to the size of overcurrent, namely the number of the module structures can be determined according to the actual requirement of the overcurrent, so that the overcurrent of the contact connecting piece between the terminal and the terminal can be changed, thus the number of the module structures of the large-current terminal can be changed according to the actual current requirement to meet the connection requirement, and the large-current terminal can be distributed according to the requirement; each module structure bears a certain overcurrent capacity, actual current requirements are met through module structure combination of different orders of magnitude, low-cost solutions of different overcurrent capacities are flexibly provided for markets, and the module structure in the design only needs to develop a bridging terminal contact piece unit and a riveting piece unit in the early stage, then is manufactured by spring machining and then is assembled, so that the mold cost is low; the device also has the characteristics of simple structure, convenient assembly, safety, reliability and wide application range.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention:
FIG. 1 is a schematic diagram of a bridge terminal contact module according to an embodiment;
FIG. 2 is a schematic view of a first bridge terminal contact strip according to an embodiment;
FIG. 3 is a schematic view of a second bridge terminal contact piece according to an embodiment;
FIG. 4 is a schematic view of a riveting sheet in an embodiment;
fig. 5 is a schematic view of a large-current terminal connection structure in embodiment 2.
Detailed Description
For a fuller understanding of the technical aspects of the present invention, reference should be made to the following detailed description taken together with the accompanying drawings; it should be noted that, the descriptions of "first", "second", etc. in this document are used for distinguishing different components, etc., and do not represent a sequential order, nor limit the types of "first" and "second" to be different.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and 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.
Example 1
As shown in fig. 1 to 4, a bridging terminal contact module structure 100 shown in this embodiment includes a first bridging terminal group 1 and a second bridging terminal group 2 arranged in an up-down arrangement, the middle portions of the first bridging terminal group 1 and the second bridging terminal group 2 are fixed by riveting, a first contact point 11 protruding from the front end and the rear end of one side of the first bridging terminal group facing the second bridging terminal group 2 are respectively provided with a protruding first contact point 11, a second contact point 21 protruding from the front end and the rear end of one side of the second bridging terminal group 2 facing the first bridging terminal group 1 are respectively provided with a protruding second contact point 21 corresponding to the first contact point 11 one by one, that is, the two first contact points 11 and the two second contact points 21 are located at two sides of a riveting position and are used for being respectively abutted against a copper bar and a line pressing terminal which need to be electrically connected with the front end and the rear end, and a gap 101 is provided between the first contact point 11 and the second, the gap is used for the insertion port of the terminal; in the structure, the first bridging terminal group and the second bridging terminal group which are vertically arranged and riveted together are utilized to form a module structure for the contact connecting piece between the copper bar (terminal) and the terminal, so that one or more module structures can be arranged between the copper bar (terminal) and the terminal according to the size of overcurrent, namely, the number of the module structures can be determined according to the actual requirement of the overcurrent, so that the overcurrent of the contact connecting piece between the terminal and the terminal can be changed, thereby realizing that the large-current terminal can change the number of the module structures according to the actual current requirement to meet the connection requirement and realizing the distribution as required; each module structure bears a certain overcurrent capacity, actual current requirements are met through the combination of the module structures with different orders of magnitude, low-cost solutions with different overcurrent capacities are flexibly provided for markets, and the module structure in the design only needs to develop a contact sheet unit in the early stage and then is manufactured by a spring machine, so that the mold cost is low; the first contact point and the second contact point at two ends are utilized to press the inserted sheet type terminal oppositely, so that effective and reliable electric connection is formed.
In this embodiment, the middle parts of the first bridging terminal group 1 and the second bridging terminal group 2 are connected and fixed through riveting sheet 3, and the first bridging terminal group 1 and the second bridging terminal group 2 are fixed through riveting sheet, and the terminal device further has the characteristics of simple structure, convenience in assembly, safety and reliability.
Specifically, the first bridging terminal group 1 and the second bridging terminal group 2 both include a first bridging terminal contact piece 4 and a second bridging terminal contact piece 5, and the middle parts of the first bridging terminal contact piece 4 and the second bridging terminal contact piece 5 are stacked up and down and are riveted and connected and fixed through a riveting sheet 3, that is, the middle parts of the four bridging terminal contact pieces in the first bridging terminal group 1 and the second bridging terminal group 2 are stacked up and down and then are tightly fixed together through riveting of the riveting sheet; raised electrical contact points are arranged at the front end and the rear end of the first bridging terminal contact piece 4 and the second bridging terminal contact piece 5 and are used as a first contact point or a second contact point, the first contact point is used when the first bridging terminal group at the upper end is combined with the second bridging terminal group at the lower end, and the second contact point is used when the first bridging terminal group at the lower end is combined with the second bridging terminal group; the bridging terminal contact piece and the riveting piece are both formed by adopting a die in a punching mode, the processing technology is simple, and the production efficiency is high.
Specifically, the first bridge terminal contact piece 4 includes a first riveting portion 41 in the middle, a left front bridge 42 disposed on the left half side of the front end of the first riveting portion 41, and a right rear bridge 43 disposed on the right half side of the rear end of the first riveting portion 41, that is, the positions of the left front bridge 42 and the right rear bridge 43 are in a left-right staggered design; the second bridge terminal contact piece 5 includes a second rivet portion 51 in the middle, a right front bridge 52 disposed on the right half side of the front end of the second rivet portion 51, and a left rear bridge 53 disposed on the left half side of the rear end of the second rivet portion 51, that is, the positions of the right front bridge 52 and the left rear bridge 53 are also designed to be staggered left and right; because the front and rear bridges of the contact pieces are designed in a staggered manner, after the first riveting portion 41 and the second riveting portion 52 are arranged in a stacked manner and are fixedly riveted through the riveting sheet 3, the left front bridge and the right front bridge are arranged in a left-right manner, and the left rear bridge and the right rear bridge are arranged in a left-right manner, so that the riveting fixation between the first bridging terminal contact piece 4 and the second bridging terminal contact piece 5 is not influenced; in addition, the corresponding positions of the left front axle and the right front axle and the corresponding positions of the left rear axle and the right rear axle are respectively provided with an electric contact point which is used as a first contact point or a second contact point in a protruding mode, namely the two electric contact points in the left front axle and the right front axle are combined and then used as the first contact point or the second contact point, the two electric contact points in the left rear axle and the right rear axle are combined and then used as the first contact point or the second contact point, and in practical application, the electric contact points on the left front axle, the right front axle, the left rear axle and the right rear axle are positioned on the same horizontal plane, so that the upper and lower first contact points and the upper and lower second contact points are both double contact points through the double contact sheet structures in the first bridging terminal group 1 and the second bridging terminal group 2, and the connection reliability between the later stage of the module structure and the terminal pieces.
Specifically, the left front axle 42, the right front axle 52, the left rear axle 43 and the right rear axle 53 are all in a wave shape, so that the four are all in an elastic long arm structure, the elastic long arm structure has good elasticity, the precision requirement of the terminal during the insertion is reduced, the insertion force of the terminal during the later-stage use process during the insertion is reduced, the insertion force of the connector terminal is greatly reduced, the close contact between the connector terminal and the terminal is ensured, the connection reliability is improved, the left front axle 42, the right front axle 52, the left rear axle 43 and the right rear axle 53 are not easy to deform, and the service life of the bridging terminal contact piece is prolonged.
In this embodiment, the riveting grooves 102 symmetrically disposed are recessed in the middle of the two sides of the first riveting portion 41 and the second riveting portion 51, so that the first riveting portion 41 and the second riveting portion 51 form an i-shaped structure, the riveting grooves 102 in the first riveting portion 41 and the second riveting portion 51 are disposed in an up-down one-to-one correspondence manner, and the riveting grooves 102 on the two sides are all used for riveting and fixing four bridging terminal contact pieces in a single module by one riveting piece 3, that is, the middle of the four bridging terminal contact pieces in a stacked manner is riveted and fixed by the two riveting pieces disposed in the front and the back.
Specifically, the riveting sheet 3 is i-shaped, the vertical portion 31 in the middle of the riveting sheet 3 is clamped in the riveting groove 102, and the horizontal portions 32 at the upper and lower ends of the riveting sheet 3 are located outside the first riveting portion or the second riveting portion, that is, the horizontal portions 32 at the upper and lower ends are used to press the middle portions of the four bridge terminal contact pieces for riveting fixation.
Specifically, the two inner corners of the riveting groove 102 and the four inner corners of the riveting sheet 3 are provided with concave arc grooves 103 for reducing the strength of the first riveting portion, the second riveting portion and the horizontal portion 32, so that the first riveting portion, the second riveting portion and the riveting sheet have certain elastic deformation capacity, and the riveting sheet is conveniently assembled in the riveting groove in a clamping manner.
In other embodiments, the first bridge terminal contact piece and the second bridge terminal contact piece are both made of copper alloy by stamping.
In other embodiments, the rivet pressing piece is made of stainless steel by stamping.
In other embodiments, the number of the electrical contacts in the left front axle, the right front axle, the left rear axle and the right rear axle can be set to be a multiple of 2, so that a plurality of contacts arranged in the front and back direction are formed between the single terminal and the left front axle, the right front axle, the left rear axle and the right rear axle, and the contact area and the connection reliability are improved.
Example 2
As shown in fig. 1 to 5, the connection structure of the large current terminal shown in this embodiment includes three bridge terminal contact piece module structures 100 that are closely arranged in the front and back directions and are as described in embodiment 1, and further includes a copper bar 6 and a wire pressing terminal 7 that are respectively inserted into the front and back ends of the bridge terminal contact piece module structure, the wire pressing terminal 7 is used for connecting with an external cable 8, one end of each of the copper bar 6 and the wire pressing terminal 7 is inserted into a gap 101 between a first contact point 11 and a second contact point 21 on the corresponding side, namely, the copper bar is inserted between the first contact point 11 and the second contact point 21 at the front ends of the first bridging terminal group and the second bridging terminal group, and the press line terminal 7 is inserted between the first contact point 11 and the second contact point 21 at the rear ends of the first bridge terminal group and the second bridge terminal group, thereby forming an effective electrical connection by clamping the copper bar and the wire pressing terminal through the bridge terminal contact piece module structure 100; in practical use, the thickness of the insertion end in the copper bar 6 and the line pressing terminal 7 is slightly larger than the width of the gap 101, so that the upper and lower surfaces of the copper bar 6 and the line pressing terminal 7 are respectively in close contact with the first contact point 11 and the second contact point 21.
Specifically, the copper bar 6 and the line pressing terminal 7 are both sheet-shaped.
In other embodiments, one, two, four or other bridge terminal contact piece module structures can be clamped between the copper bar 6 and the line pressing terminal 7 according to the magnitude of the overcurrent required actually to realize the electrical connection between the two.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the embodiments are only used to help understanding the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the present description should not be construed as a limitation to the present invention.
Claims (10)
1. The utility model provides a bridging type terminal contact piece module structure, its characterized in that includes first bridging terminal group and the second bridging terminal group of arranging the setting from top to bottom, the middle part of first bridging terminal group and second bridging terminal group is connected fixedly through the riveting, all be equipped with at least one bellied first contact point on the front and back end of first bridging terminal group orientation second bridging terminal group one side, all the arch is equipped with at least one and the second contact point of first contact point one-to-one from top to bottom on the front and back end of second bridging terminal group orientation first bridging terminal group one side, just be equipped with the clearance between first contact point and the second contact point.
2. The bridge terminal contact strip module structure of claim 1, wherein the middle portions of the first and second bridge terminal sets are fixed by riveting with a riveting plate.
3. The bridge terminal contact strip module structure according to claim 2, wherein the first and second bridge terminal sets each include a first bridge terminal contact strip and a second bridge terminal contact strip, and the first and second bridge terminal contact strips are stacked at their middle portions and are fixed by riveting with the riveting sheet.
4. The bridge terminal contact strip module structure of claim 3, wherein the first bridge terminal contact strip comprises a first rivet portion at a middle portion, a left front bridge disposed at a left half side of a front end of the first rivet portion, and a right rear bridge disposed at a right half side of a rear end of the first rivet portion; the second bridge terminal contact piece comprises a second riveting part in the middle, a right front bridge arranged on the right half side of the front end of the second riveting part and a left rear bridge arranged on the left half side of the rear end of the second riveting part; the first riveting portion and the second riveting portion are arranged in a stacked mode and are fixedly connected through the riveting sheets in a riveting mode, the left front axle and the right front axle are arranged in a left-right mode, and the left rear axle and the right rear axle are arranged in a left-right mode.
5. The bridged terminal contact strip module structure of claim 4, wherein at least one raised electrical contact point is provided at each of the corresponding positions of the front left and front right bridges and the corresponding positions of the rear left and rear right bridges.
6. The bridged terminal contact strip module structure of claim 5, wherein the left front bridge, the right front bridge, the left rear bridge and the right rear bridge are all wavy in shape.
7. The bridge terminal contact piece module according to claim 6, wherein both sides of the first and second riveting portions are provided with riveting grooves to be engaged with the riveting pieces.
8. The bridge terminal contact piece module structure of claim 7, wherein the rivet plate has an i-shape, a middle vertical portion of the rivet plate is engaged with the rivet groove, and horizontal portions of upper and lower ends of the rivet plate are located outside the first or second rivet portion.
9. The bridge terminal contact strip module according to claim 8, wherein the riveting grooves are provided with concave circular grooves at two inner corners of the riveting groove and at four inner corners of the riveting sheet.
10. A large-current terminal connecting structure, comprising at least one bridge terminal contact chip module structure as set forth in any one of claims 1 to 9, further comprising a copper bar and a wire pressing terminal inserted into the front and rear ends of the bridge terminal contact chip module structure, respectively, one end of each of the copper bar and the wire pressing terminal being inserted into a gap between the first contact point and the second contact point on the corresponding side, and the upper and lower surfaces of each of the copper bar and the wire pressing terminal being in contact with the first contact point and the second contact point, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010407589.2A CN111668610A (en) | 2020-05-14 | 2020-05-14 | Bridge type terminal contact piece module structure and large-current terminal connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010407589.2A CN111668610A (en) | 2020-05-14 | 2020-05-14 | Bridge type terminal contact piece module structure and large-current terminal connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111668610A true CN111668610A (en) | 2020-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010407589.2A Pending CN111668610A (en) | 2020-05-14 | 2020-05-14 | Bridge type terminal contact piece module structure and large-current terminal connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111668610A (en) |
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2020
- 2020-05-14 CN CN202010407589.2A patent/CN111668610A/en active Pending
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