CN216750467U - Flat miniaturized multi-contact structure - Google Patents
Flat miniaturized multi-contact structure Download PDFInfo
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- CN216750467U CN216750467U CN202123224697.5U CN202123224697U CN216750467U CN 216750467 U CN216750467 U CN 216750467U CN 202123224697 U CN202123224697 U CN 202123224697U CN 216750467 U CN216750467 U CN 216750467U
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Abstract
The utility model discloses a flat miniaturized multi-contact element structure, which comprises two clamp plates and a first contact element, wherein the clamp plates and the first contact element are fixedly attached to each other, opposite bending plates are arranged at the same end of each clamp plate, the two bending plates relatively form a U-shaped clamp groove, and a plurality of rows of convex columns are arranged on the inner walls of the two sides of the U-shaped clamp groove; the first contact piece comprises a first connecting piece, the first connecting piece is provided with a row of first through holes, the same row of convex columns are clamped into the first through holes of one first connecting piece to be fixed, one side of the first connecting piece is provided with a row of inclined first elastic sheets, different first contact pieces on the bending plate at one side are arranged oppositely, and the two rows of first elastic sheets are arranged at intervals in a staggered mode. The utility model adopts the flat design, greatly reduces the volume and satisfies the application of small space; the first elastic sheets on each side of the U-shaped clamping groove are arranged in a staggered and spaced mode, so that the conductive area is increased, and high-stability large-current conduction is realized; each component has simple structure, so that the production and assembly processes are simpler and more convenient, and the production cost is finally reduced.
Description
Technical Field
The utility model relates to an electric connector technical field especially relates to a miniaturized multiple contact structure of flat.
Background
With the rapid development of the electric automobile industry, the requirement for the endurance mileage is increased, and the requirement for rapid charging is also increased. In order to solve the above problems, at present, many manufacturers increase the number of power batteries and use connectors with circular jacks (the effective contact area of the circular jacks is relatively large, and high-stability high-current conduction can be ensured). However, the demand for miniaturization of the connector is more urgent due to the increase of the battery capacity, and as is known, the size and the mass of the connector are synchronously increased due to the fact that the circular occupied area is the largest under the same circumference, so that the space for installing the power battery in the electric automobile is tight, and the demand for the endurance mileage is further limited. Meanwhile, there is a guideline against lightweight design.
And the traditional round terminal is limited by the minimum thickness of a punch in the characteristics of a stamping process, so that the number of contacts of the jack reed has a bottleneck, and the space utilization rate of an electric contact area is extremely low in the same space. The increase of the used materials of the product and the complexity of the process greatly increase the use cost pressure of customers.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flat miniaturized multiple contact structure, small in size satisfies the application in little space, can the through-load heavy current to production simple process, low in production cost is honest and clean.
The utility model discloses a flat miniaturized multiple contact structure adopts technical scheme is:
a flat miniaturized multi-contact element structure comprises two clamp plates and a plurality of first contact elements, wherein the clamp plates are fixedly attached to each other, opposite bending plates are arranged at the same ends of the two clamp plates, the two bending plates are opposite to each other to form a U-shaped clamp groove, and a plurality of rows of protruding columns are arranged on the inner walls of two sides of the U-shaped clamp groove; the first contact piece comprises a first connection piece, the first connection piece is provided with a row of first through holes, the convex column is clamped into the first through holes of the first connection piece in one row and fixed in the first through holes, one side of the first connection piece is provided with a row of inclined first elastic pieces, one side of the first elastic pieces is provided with different first contact pieces arranged on the bending plate oppositely, and the first elastic pieces are arranged in a staggered and spaced mode.
According to a preferable scheme, the connector further comprises a second contact element, the second contact element comprises a second connecting sheet, the second connecting sheet is provided with a row of second through holes, the convex columns in the same row are clamped into the second through holes of one second connecting sheet for fixation, two sides of the second connecting sheet are respectively provided with inclined second elastic sheets, the second contact element is arranged between the two opposite first contact elements, and the two rows of second elastic sheets of the second contact element are respectively arranged with the two rows of first elastic sheets in a staggered and spaced mode.
Preferably, the tail end of the first elastic sheet and the tail end of the second elastic sheet are both provided with reverse warping parts.
As the preferred scheme, the clamping plates are provided with positioning columns and positioning holes, and the positioning column of one clamping plate is clamped into the positioning hole of the other clamping plate to be fixed.
The connecting piece is of a hollow annular table structure, and an internal thread is arranged in the middle of the connecting piece; the other end of the clamping plate is provided with a fixing hole, and the annular boss of the connecting piece is inserted into the fixing holes of the two clamping plates and is welded and fixed.
As a preferable scheme, the clamping device further comprises a connecting piece and a fastening piece, wherein the connecting piece is of a hollow annular table structure, an internal thread is arranged in the middle of the connecting piece, and an external thread is arranged on the fastening piece; the other end of the clamping plate is provided with a fixing hole, the annular boss of the connecting piece is inserted into the fixing holes of the two clamping plates, and the fastener is screwed into the connecting piece to clamp the two clamping plates for fixing.
Preferably, the clamping device further comprises a connecting piece, one end of the connecting piece is attached to the side wall of the clamping plate, and the clamping plate and the connecting piece clamp one end of the connecting piece to be fixed.
Preferably, the other end of the connecting piece is of a pressing line structure or a welding line structure.
The utility model discloses a miniaturized multiple contact structure of flat beneficial effect is: two splint laminatings are fixed, and two splint are equipped with relative buckling plate with the one end, and two buckling plate form the U type relatively and press from both sides the groove, and the U type presss from both sides the groove both sides the inner wall and all is equipped with the multirow projection. The first contact piece comprises a first connecting piece, the first connecting piece is provided with a row of first through holes, the same row of convex columns are clamped into the first through holes of one first connecting piece to be fixed, one side of the first connecting piece is provided with a row of inclined first elastic sheets, different first contact pieces on the bending plate at one side are arranged oppositely, and the two rows of first elastic sheets are arranged at intervals in a staggered mode. The volume is greatly reduced by adopting a flat design, and the application in a small space is met; the first elastic sheets on each side of the U-shaped clamping groove are arranged in a staggered and spaced mode, so that the conductive area is increased, and high-stability large-current conduction is realized; each component has simple structure, so that the production and assembly process is simple and convenient, and the production cost is finally reduced.
Drawings
Fig. 1 is a schematic structural diagram of a flat miniaturized multi-contact structure according to an embodiment of the present invention.
Fig. 2 is an exploded schematic view of a flat miniaturized multi-contact structure according to an embodiment of the present invention.
Fig. 3 is a schematic view of a flat miniaturized multi-contact structure according to an embodiment of the present invention.
Fig. 4 is a cross-sectional view of a flat miniaturized multi-contact structure according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a first contact of a flat miniaturized multi-contact structure according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a flat miniaturized multi-contact structure joint according to an embodiment of the present invention.
Fig. 7 is an assembly view of a first connection method of a flat miniaturized multi-contact structure according to an embodiment of the present invention.
Fig. 8 is an assembly view of a second connection mode of a flat miniaturized multi-contact structure according to an embodiment of the present invention.
Fig. 9 is a schematic structural diagram of a flat miniaturized multi-contact structure according to another embodiment of the present invention.
Fig. 10 is an exploded view of a flat miniaturized multi-contact structure according to another embodiment of the present invention.
Fig. 11 is a side view of a flat miniaturized multi-contact structure according to another embodiment of the present invention.
Fig. 12 is a cross-sectional view of a flat miniaturized multi-contact structure according to another embodiment of the present invention.
Fig. 13 is a schematic structural diagram of a second contact of a flat miniaturized multi-contact structure according to another embodiment of the present invention.
Detailed Description
The invention will be further elucidated and described with reference to the following embodiments and drawings in which:
the first embodiment is as follows:
referring to fig. 1, a flat miniaturized multi-contact structure includes two clamping plates 10 and a plurality of first contacts 20.
Two splint 10 are laminated fixedly, and two splint 10 are equipped with relative bent plate 11 with the one end, and two bent plate 11 are relative to form U type and press from both sides groove 12, and U type presss from both sides 12 both sides the both sides inner wall of groove and all is equipped with multirow projection 13.
The first contact member 20 comprises a first connecting piece 21, the first connecting piece 21 is provided with a row of first through holes 22, the convex columns 13 in the same row are clamped into the first through holes 22 of the first connecting piece 21 and fixed, and specifically, after the convex columns 13 are clamped into the first through holes 22, the convex columns are reinforced in a laser welding or ultrasonic welding mode.
One side of the first connecting sheet 21 is provided with a row of inclined first elastic sheets 23, different first contact elements 20 on the bent plate 11 on one side are oppositely arranged, and the two rows of first elastic sheets 23 are arranged at intervals in a staggered manner.
The embodiment adopts a flat design, greatly reduces the volume and meets the application of a small space.
The first elastic sheets 23 on each side of the U-shaped clamping groove 12 are arranged in a staggered and spaced mode, so that the first elastic sheets 23 are doubled, namely the contact area 24 is changed from two rows to four rows, and the conductive area is effectively increased.
The main factors associated with the contact resistance R (Ω) are: a. effective conductive distance L (m) of conductor, resistivity ρ (m) of conductorΩ·mm2Effective conductive area A (mm) of conductor2)。
The corresponding principle expression is as follows:
therefore, under the condition that other parameters are not changed, the effective conducting area A is enlarged, the corresponding contact resistance R is relatively small, the electric loss is also relative, and then the large-current through load is realized. Meanwhile, the staggered first elastic sheet 23 structure can provide strong resilience force, so that the plugging is firmer, and the stability of large-current loading is finally improved.
The clamping plate 10 and the first contact member 20 have simple structures, so that the production and assembly processes of the clamping plate and the first contact member are simple and convenient, and finally, the production and assembly costs are reduced.
Preferably, the end of the first elastic sheet 23 is provided with a reverse raised portion 25, which is convenient for the insertion or extraction of the external plug-in connector.
In this embodiment, the clamping plate 10 has a positioning column 14 and a positioning hole 15, and the positioning column 14 of one clamping plate 10 is inserted into the positioning hole 15 of the other clamping plate 10 for fixation.
The embodiment also provides two connection modes of non-detachable connection and detachable connection.
Wherein the undetachable connection mode is realized by adding a connecting piece 41 structure, the connecting piece 41 is a hollow annular table structure, and the middle part of the connecting piece 41 is provided with an internal thread 411.
The other end of the clamping plate 10 is provided with a fixing hole 16, and the annular table bulge of the connecting piece 41 is inserted into the fixing holes 16 of the two clamping plates 10 to be welded and fixed. This kind of connected mode is applicable to not dismantling the scene. And is fixedly connected with the internal thread 411 through an external connecting structure in a matching way.
The detachable connection method also requires the cooperation of the fastening member 42, and when the annular boss of the joint member 41 is inserted into the fixing hole 16 of the two-piece splint 10, the fastening member 42 is screwed into the joint member 41 to clamp the two-piece splint 10 for fixing. This process allows one end of the external connector to be attached to the sidewall of the splint 10, and the splint 10 and the connectors 41 are fixed while holding the one end of the connector. This kind of mode makes things convenient for maintenance in the future. The other end of the matched connector can be dynamically matched with a pressing line connector 43 or a welding line connector 44 according to the requirement of a customer.
Example two:
the second contact member 30 is added to the first embodiment.
Specifically, the second contact member 30 includes a second engagement piece 31, the second engagement piece 31 is provided with a row of second through holes 32, and the same row of convex columns 13 is clamped into the second through holes 32 of one second engagement piece 31 for fixation.
The two sides of the second connecting piece 31 are respectively provided with an inclined second elastic sheet 33, the second contact element 30 is arranged between the two opposite first contact elements 20, and the two rows of second elastic sheets 33 of the second contact element 30 are respectively arranged with the two rows of first elastic sheets 23 in a staggered and spaced manner. The two elastic pieces are arranged in a staggered and spaced mode, so that the contact area is doubled, and the carrying rate of large current is greatly improved.
Preferably, the ends of the second elastic pieces 33 are provided with reverse warping parts 25.
The present embodiment can also be matched with the connection method disclosed in the first embodiment.
The utility model provides a miniaturized multiple contact structure of flat, two splint laminatings are laminated fixedly, and two splint are equipped with relative buckling plate with one end, and two buckling plate form U type relatively and press from both sides the groove, and U type presss from both sides groove both sides inner wall and all is equipped with the multirow projection. The first contact piece comprises a first connecting piece, the first connecting piece is provided with a row of first through holes, the same row of convex columns are clamped into the first through holes of one first connecting piece to be fixed, one side of the first connecting piece is provided with a row of inclined first elastic sheets, different first contact pieces on the bending plate on one side are arranged oppositely, and the two rows of first elastic sheets are arranged at intervals in a staggered manner. The volume is greatly reduced by adopting a flat design, and the application in a small space is met; the first elastic sheets on each side of the U-shaped clamping groove are arranged in a staggered and spaced mode, so that the conductive area is increased, and high-stability large-current conduction is realized; each component has simple structure, so that the production and assembly process is simple and convenient, and the production cost is finally reduced.
It should be finally noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit the scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. A flat miniaturized multi-contact element structure is characterized by comprising two clamp plates which are fixedly attached, wherein the same end of each clamp plate is provided with an opposite bending plate, the two bending plates are opposite to form a U-shaped clamp groove, and the inner walls of two sides of the U-shaped clamp groove are provided with a plurality of rows of convex columns;
the first contact piece comprises first connecting pieces, a row of first through holes are formed in the first connecting pieces, the convex columns in the same row are clamped into the first through holes of one first connecting piece to be fixed, a row of inclined first elastic pieces are arranged on one side of each first connecting piece, different first contact pieces on one side of each first connecting piece are arranged oppositely, and the two rows of first elastic pieces are arranged in a staggered and spaced mode.
2. The flat miniaturized multi-contact element structure of claim 1, further comprising a second contact element, wherein the second contact element comprises a second connection piece, the second connection piece is provided with a row of second through holes, the convex columns in the same row are clamped into the second through holes of one second connection piece for fixation, two sides of the second connection piece are respectively provided with an inclined second elastic sheet, the second contact element is arranged between two opposite first contact elements, and the two rows of second elastic sheets of the second contact element are respectively arranged with the two rows of first elastic sheets in a staggered and spaced manner.
3. The miniaturized, multi-contact structure of claim 2, wherein the first spring end and the second spring end are each provided with a reverse raised portion.
4. The flat miniaturized multi-contact structure of claim 3, wherein the clamping plates are provided with positioning posts and positioning holes, and the positioning post of one clamping plate is clamped into the positioning hole of the other clamping plate for fixation.
5. The miniaturized, multi-contact structure of claim 4, further comprising a joining member having a hollow annular platform structure with an internal thread formed in a middle portion thereof;
the other end of the clamping plate is provided with a fixing hole, and the annular boss of the jointing piece is inserted into the fixing holes of the two clamping plates and is welded and fixed.
6. The miniaturized, multi-contact structure of claim 4, further comprising a joining member having a hollow annular table structure with an internal thread formed at a middle portion thereof and a fastening member having an external thread;
the other end of the clamping plate is provided with a fixing hole, the annular boss of the connecting piece is inserted into the fixing holes of the two clamping plates, and the fastener is screwed into the connecting piece to clamp the two clamping plates for fixing.
7. The miniaturized multi-contact structure of any one of claims 5 or 6, further comprising a connecting member, wherein one end of the connecting member is attached to a sidewall of the clamping plate, and the clamping plate and the connecting member clamp one end of the connecting member to be fixed.
8. The miniaturized, multi-contact, flat contact structure of claim 7, wherein the other end of said connector is either a wire bonding or a wire crimping structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123224697.5U CN216750467U (en) | 2021-12-21 | 2021-12-21 | Flat miniaturized multi-contact structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123224697.5U CN216750467U (en) | 2021-12-21 | 2021-12-21 | Flat miniaturized multi-contact structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216750467U true CN216750467U (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123224697.5U Active CN216750467U (en) | 2021-12-21 | 2021-12-21 | Flat miniaturized multi-contact structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216750467U (en) |
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2021
- 2021-12-21 CN CN202123224697.5U patent/CN216750467U/en active Active
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