CN111490389A - Contact elastic sheet with convex hull - Google Patents
Contact elastic sheet with convex hull Download PDFInfo
- Publication number
- CN111490389A CN111490389A CN202010387341.4A CN202010387341A CN111490389A CN 111490389 A CN111490389 A CN 111490389A CN 202010387341 A CN202010387341 A CN 202010387341A CN 111490389 A CN111490389 A CN 111490389A
- Authority
- CN
- China
- Prior art keywords
- contact
- elastic sheet
- cantilever
- substrate
- convex hull
- 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
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Classifications
-
- 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
- H01R13/10—Sockets for co-operation with pins or blades
- H01R13/11—Resilient sockets
-
- 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
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/42—Securing in a demountable manner
- H01R13/428—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members
- H01R13/432—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members by stamped-out resilient tongue snapping behind shoulder in base or case
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention discloses a contact spring piece with a convex hull, which is characterized in that a substrate with a cambered surface is provided with the contact spring piece and a clamping tongue, so that the assembly of the substrate and a circular connector is facilitated, and the bending resistance of the substrate is improved; the mutually inverted cantilever-shaped contact spring pieces and the cantilever-shaped clamping tongues are adopted, so that the assembly of the connector shell and the insertion of the contact terminals are facilitated; the convex hull is arranged in the middle of the cantilever of the contact elastic sheet, the convex hull does not work in the normal contact state of the contact elastic sheet, when the contact elastic sheet deforms too much, the convex hull of the contact elastic sheet can contact the contact element slot wall of the base, a supporting point is added for the cantilever-shaped contact elastic sheet, the contact elastic sheet deforms in a two-section mode, the root of the cantilever of the elastic sheet does not deform any more, and the strength of the elastic arm of the contact elastic sheet is improved; the invention has the advantages of simple structure, high contact strength of the contact elastic sheet, and strong vibration resistance and fatigue resistance.
Description
Technical Field
The invention relates to the technical field of electric connectors, in particular to a contact elastic sheet with a convex hull.
Background
The connector using the spring plate as the contact element is widely used, and the contact spring plate is regarded as a core component of the connector, because the service life of the connector is directly affected by the mechanical performance of the contact spring plate, the environment for using the connector is more and more severe along with the wide-range application of the connector, and the requirements for resisting vibration and fatigue are higher and higher. Therefore, the contact spring of the connector is required to have certain contact strength, vibration resistance and fatigue resistance besides the conventional current-carrying function. The yield strength of the contact spring itself is limited, and when the contact spring is over-stressed, the spring will fatigue, resulting in poor contact, and the usual solution is to change the material or lengthen the cantilever length.
Disclosure of Invention
The invention aims at providing a contact spring piece with a convex hull aiming at the defects of the prior art, and the invention is a brand new solution, and adopts the technical scheme that the contact spring piece and the clamping tongue are arranged on the substrate with the cambered surface, so that the assembly of the substrate and the circular connector is convenient, and the bending resistance of the substrate is improved; the mutually inverted cantilever-shaped contact spring pieces and the cantilever-shaped clamping tongues are adopted, so that the assembly of the connector shell and the insertion of the contact terminals are facilitated; the convex hull is arranged in the middle of the cantilever of the contact elastic sheet, the convex hull does not work in the normal contact state of the contact elastic sheet, when the contact elastic sheet deforms too much, the convex hull of the contact elastic sheet can contact the contact element slot wall of the base, so that a secondary supporting point is formed on the cantilever-shaped contact elastic sheet, the free end of the contact elastic sheet deforms, the fixed end of the cantilever of the elastic sheet does not deform, and the self strength of the elastic arm of the contact elastic sheet is improved; the invention has the advantages of simple structure, high contact strength of the contact elastic sheet, and strong vibration resistance and fatigue resistance.
The specific technical scheme for realizing the purpose of the invention is as follows:
a contact spring with convex hull is characterized in that it comprises a substrate with a horizontal axis and a vertical axis;
the substrate is provided with a cambered surface, and the cambered surface is arranged along the transverse shaft of the substrate;
the substrate is provided with a cantilever-shaped contact spring sheet and a cantilever-shaped clamping tongue; the contact elastic sheet is arranged above the clamping tongue;
the contact spring is arranged along the longitudinal axis of the substrate, namely the fixed end and the free end of the cantilever-shaped contact spring are arranged from top to bottom along the longitudinal axis.
The clamping tongues are arranged along the longitudinal axis of the substrate, namely the fixed ends and the free ends of the cantilever-shaped clamping tongues are arranged from bottom to top along the longitudinal axis.
The contact elastic sheets on the substrate are one or two, and the two contact elastic sheets are arranged in parallel at intervals along the transverse axis of the substrate.
The convex hull forms a secondary supporting point on the cantilever-shaped contact spring.
The substrate is a stamping part.
The contact spring piece and the clamping tongue are arranged on the cambered surface substrate, so that the assembly of the substrate and the circular connector is facilitated, and the bending resistance of the substrate is improved; the mutually inverted cantilever-shaped contact spring pieces and the cantilever-shaped clamping tongues are adopted, so that the assembly of the connector shell and the insertion of the contact terminals are facilitated; the convex hull is arranged in the middle of the cantilever of the contact elastic sheet, the convex hull does not work in the normal contact state of the contact elastic sheet, when the contact elastic sheet deforms too much, the convex hull of the contact elastic sheet can contact the contact element slot wall of the base, so that a secondary supporting point is formed on the cantilever-shaped contact elastic sheet, the free end of the contact elastic sheet deforms, the fixed end of the cantilever of the elastic sheet does not deform, and the self strength of the elastic arm of the contact elastic sheet is improved; the invention has the advantages of simple structure, high contact strength of the contact elastic sheet, and strong vibration resistance and fatigue resistance.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the cross-sectional structure A-A of FIG. 1;
FIG. 3 is a schematic view of the present invention in use;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a schematic view of the cross-sectional structure B-B of FIG. 3.
Detailed Description
Referring to fig. 1 and 2, the present invention includes a substrate 1 having a horizontal axis and a vertical axis;
the substrate 1 is provided with a cambered surface, and the cambered surface is arranged along the transverse axis of the substrate 1;
the substrate 1 is provided with a cantilever-shaped contact spring piece 11 and a cantilever-shaped clamping tongue 12; the contact spring plate 11 is arranged above the clamping tongue 12;
the contact elastic sheet 11 is arranged along the longitudinal axis of the substrate 1, namely the fixed end and the free end of the cantilever-shaped contact elastic sheet 11 are arranged from top to bottom along the longitudinal axis;
a round convex hull 111 is arranged in the middle of a cantilever of the contact spring plate 11;
the latch 12 is arranged along the longitudinal axis of the substrate 1, i.e. the fixed end and the free end of the cantilever-shaped latch 12 are arranged from bottom to top along the longitudinal axis.
Referring to fig. 1 and 2, the number of the contact spring pieces 11 on the substrate 1 is one or two, and the two contact spring pieces 11 are arranged in parallel at intervals along the transverse axis of the substrate 1.
Referring to fig. 1 and 2, the convex hull 111 forms a secondary supporting point on the cantilever-shaped contact spring 11.
The substrate 1 is a stamping part.
The invention works as follows:
referring to fig. 1, 3, 4 and 5, the invention is applied to a connector, and is arranged on a connector base 3, a contact piece slot and a slot are arranged on the base 3, a clamping tongue 12 of a substrate 1 of the invention faces downwards and is inserted into the contact piece slot of the base 3 along a longitudinal axis until the clamping tongue 12 is clamped with the slot of the base 3, and the design of the cambered surface substrate 1 improves the stability of connection between the substrate 1 and the slot and improves the anti-vibration performance of the connector.
Referring to fig. 1, 3, 4 and 5, when the device works, the contact pin 2 is inserted into the contact slot of the base 3, and the contact pin 2 contacts with the contact spring 11, so as to implement the function of conducting current.
Referring to fig. 1, 3, 4 and 5, in order to ensure the contact reliability between the contact pin 2 and the contact spring 11, not only the fixed end of the cantilever-shaped contact spring 11 is required to have a certain bending strength, but also the rigidity of the contact spring 11 itself is required, because the contact point between the connector contact pin 2 and the contact spring 11 is close to the free end of the cantilever, the deformation of the contact spring 11 is not fixed in a vibration environment, once the deformation of the contact spring 11 is too large, the root of the contact spring 11 is plastically deformed, the contact pressure between the contact pin 2 and the contact spring 11 cannot be ensured, therefore, the invention arranges a circular convex hull 111 in the middle of the cantilever of the contact spring 11, the convex hull 111 is arranged, the convex hull 111 does not work when the contact spring 11 is in a normal contact state, when the contact spring 11 is deformed too large, the convex hull 111 touches the slot wall of the base, the secondary supporting point is formed on the cantilever-shaped contact elastic sheet 11, the free end of the contact elastic sheet 11 deforms, the cantilever fixed end of the elastic sheet does not deform, the strength of the contact elastic sheet 11 is improved, the contact pressure between the contact pin 2 and the contact elastic sheet 11 is ensured, and the fatigue resistance of the contact elastic sheet 11 is improved. In order to facilitate the manufacture of the invention, the substrate 1 of the invention is a stamping part and is formed by one-time stamping by a die.
Claims (4)
1. A contact spring with convex hull is characterized in that it comprises a substrate (1) with a horizontal axis and a vertical axis;
the substrate (1) is provided with an arc surface, and the arc surface is arranged along the transverse axis of the substrate (1);
the substrate (1) is provided with a cantilever-shaped contact spring piece (11) and a cantilever-shaped clamping tongue (12); the contact spring (11) is arranged above the clamping tongue (12);
the contact elastic sheet (11) is arranged along the longitudinal axis of the substrate (1), namely the fixed end and the free end of the contact elastic sheet (11) in a cantilever shape are arranged from top to bottom along the longitudinal axis;
a round convex hull (111) is arranged in the middle of a cantilever of the contact spring piece (11);
the clamping tongue (12) is arranged along the longitudinal axis of the substrate (1), namely the fixed end and the free end of the clamping tongue (12) in a cantilever shape are arranged from bottom to top along the longitudinal axis.
2. The contact spring piece with the convex hull according to claim 1, wherein the contact spring piece (11) on the base sheet (1) is one piece or two pieces, and the two pieces of contact spring pieces (11) are arranged in parallel at intervals along the transverse axis of the base sheet (1).
3. A contact dome with convex hulls according to claim 1, characterized by that the convex hulls (111) constitute secondary support points on the cantilever-like contact dome (11).
4. A contact dome according to claim 1, characterized in that the substrate (1) is a stamped part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010387341.4A CN111490389A (en) | 2020-05-09 | 2020-05-09 | Contact elastic sheet with convex hull |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010387341.4A CN111490389A (en) | 2020-05-09 | 2020-05-09 | Contact elastic sheet with convex hull |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111490389A true CN111490389A (en) | 2020-08-04 |
Family
ID=71810504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010387341.4A Pending CN111490389A (en) | 2020-05-09 | 2020-05-09 | Contact elastic sheet with convex hull |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111490389A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204031437U (en) * | 2014-08-25 | 2014-12-17 | 歌尔声学股份有限公司 | A kind of elastic piece structure and loadspeaker structure |
| CN207199909U (en) * | 2017-10-13 | 2018-04-06 | 常州琥正电子科技有限公司 | Connector plug with high-voltage interlocking structure |
| CN207338739U (en) * | 2017-08-25 | 2018-05-08 | 常州琥正电子科技有限公司 | A kind of connector plug of reliable interlocking high-voltage great-current |
-
2020
- 2020-05-09 CN CN202010387341.4A patent/CN111490389A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204031437U (en) * | 2014-08-25 | 2014-12-17 | 歌尔声学股份有限公司 | A kind of elastic piece structure and loadspeaker structure |
| CN207338739U (en) * | 2017-08-25 | 2018-05-08 | 常州琥正电子科技有限公司 | A kind of connector plug of reliable interlocking high-voltage great-current |
| CN207199909U (en) * | 2017-10-13 | 2018-04-06 | 常州琥正电子科技有限公司 | Connector plug with high-voltage interlocking structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200804 |