CN110459894B - Contact and connector using same - Google Patents
Contact and connector using same Download PDFInfo
- Publication number
- CN110459894B CN110459894B CN201811571626.2A CN201811571626A CN110459894B CN 110459894 B CN110459894 B CN 110459894B CN 201811571626 A CN201811571626 A CN 201811571626A CN 110459894 B CN110459894 B CN 110459894B
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- contact
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- contact arms
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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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
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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
- 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
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- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention relates to a contact element and a connector using the same, wherein the contact element comprises a conductive fixing part with a corresponding leading-out end, one side facing a matched contact element is defined as a front side, a front row of contact arms and a rear row of contact arms which are arranged on the same side of the matched contact element are arranged on the conductive fixing part in a protruding mode, the two rows of contact arms extend along the vertical direction, a first contact point used for being contacted with the matched contact element is arranged on the front side of the front row of contact arms, a second contact point used for being contacted with the matched contact element is arranged on the front side of the rear row of contact arms, and the first contact point and the second contact point are arranged in. The connector can effectively increase the contact parts on the same circuit, and when the connector is applied to the connector, the through-current capacity of the connector can be effectively improved on the premise of not excessively increasing the size of the connector and meeting the temperature rise requirement.
Description
Technical Field
The present invention relates to a contact and a connector using the same.
Background
The structure of the contact element in the existing connector is shown in fig. 1, which is a sheet type contact element, and includes a middle conductive fixing part 100, the conductive fixing part is a sheet type structure, one end of the conductive fixing part integrally protrudes and extends to form a plurality of contact arms 101 arranged at intervals in sequence, the contact arms are a sheet type structure, the other end of the conductive fixing part integrally protrudes and extends to form a plurality of contact element pins 103 which can be used for being in conductive connection with a corresponding printed board. The contact structure is shown in fig. 2, that is, the sheet contact disclosed in the chinese invention patent application with application publication No. CN10714305A, includes a conductive fixing portion, the conductive fixing portion is a U-shaped frame 200, the U-shaped frame 200 has two parallel extending beams, the two beams are arranged at intervals in front and back, one end of each beam respectively extends a conductive sheet 202 integrally, the other end of each beam respectively extends a fisheye-shaped press-fitting structure 201 integrally, opposite inner sides of the conductive sheets 202 arranged in front and back on the two beams respectively have contact portions for electrically contacting with mating contacts, actually, the contact portions on the conductive sheets arranged in front and back here form sockets for the corresponding mating contacts to be inserted and matched.
With the development of the communication field, the functions and the integration degree of communication equipment are continuously improved, the requirements on power connectors are higher and higher, higher requirements on the flow rate of the power connectors in unit area are also provided, and the through-current capacity of the connectors using the two contact elements is limited due to the fact that the contact points of the connectors are few. The existing product can not meet the requirement of through flow under the condition of not increasing the structural size too much.
Disclosure of Invention
The invention aims to provide a contact element which can effectively improve the current capacity under the condition of not excessively increasing the size of a corresponding connector; meanwhile, the invention also provides a connector using the contact.
In order to achieve the above object, the contact member according to claim 1 of the present invention is: a contact comprises a conductive fixing part with a corresponding leading-out end, one side facing a mating contact is defined as a front side, a front row of contact arms and a rear row of contact arms are arranged on the conductive fixing part in a protruding mode and used for being arranged on the same side of the mating contact, the two rows of contact arms extend along the vertical direction, the front side of the front row of contact arms is provided with a first contact used for being in contact with the mating contact, the front side of the rear row of contact arms is provided with a second contact used for being in contact with the mating contact, and the first contact and the second contact are arranged in a staggered mode.
Technical scheme 2 of the contact member: further optimization is carried out on the basis of the scheme 1, the number of the front row contact arms and the rear row contact arms is limited, at least two front row contact arms are arranged at intervals along the left-right direction, and at least two rear row contact arms are arranged at intervals along the left-right direction.
Technical scheme 3 of the contact member: further optimization is carried out on the basis of the scheme 2, and the first contact and the second contact are limited to be arranged in a staggered mode in the vertical direction.
Technical scheme 4 of the contact member: further optimization is performed on the basis of the scheme 3, the upper and lower positions of the first contact and the second contact are that the first contact of each front row of contact arms is positioned above the second contact of each rear row of contact arms.
Technical scheme 5 of the contact member: the further optimization is carried out on the basis of the scheme 4, the first contacts of all the front row contact arms are aligned or staggered in the front-rear direction, and the second contacts of all the rear row contact arms are aligned or staggered in the front-rear direction.
Technical scheme 6 of the contact member: further optimization is performed on the basis of the scheme 3, and the front row contact arms are arranged opposite to the rear row contact arms in the front-rear direction.
Technical solution 7 of the contact member: further optimization is performed on the basis of the scheme 2, and the first contact of the front row of contact arms and the second contact of the rear row of contact arms are arranged in a staggered mode in the left-right direction.
Technical scheme 8 of the contact member: further optimization is performed on the basis of the scheme 7, and the front row of contact arms and the rear row of contact arms are sequentially and alternately arranged along the left-right direction.
Technical solution 9 of the contact member: further optimization is made on the basis of the scheme 8, and the first contact and the second contact are aligned in the vertical direction or are arranged in a staggered mode.
The technical scheme of the connector using the contact element provided by the invention is as follows: a connector comprises a shell, wherein at least one current increasing contact pair is arranged in the shell, the current increasing contact pair is formed by matching two contact pieces distributed at intervals oppositely, two contact pieces belonging to the same current increasing contact pair are matched to form a socket for inserting a corresponding adaptive contact piece, and at least one of the two contact pieces belonging to the same current increasing contact pair adopts a contact piece in any one of the technical schemes 1 to 9.
The technical scheme of the connector using the contact element provided by the invention is as follows: a connector comprises a shell, wherein at least one current increasing contact piece is arranged in the shell, an inserting space for inserting a corresponding adaptive contact piece is reserved on the front side of the current increasing contact piece in the shell when the connector is inserted, and the current increasing contact piece adopts the contact piece in any one of the technical schemes 1 to 9 of the contact piece.
The invention has the beneficial effects that: according to the contact element provided by the invention, the front row contact arm and the rear row contact arm are arranged on the conductive fixing part, the first contact is arranged on the front side of the front row contact arm facing the adaptive contact element, the second contact is arranged on the rear side of the rear row contact arm facing the adaptive contact element, and the first contact and the second contact are arranged in a staggered manner, so that the contact parts on the same circuit can be effectively increased, and when the contact element is applied to a connector, the through-current capacity of the connector can be effectively improved on the premise of not excessively increasing the volume of the connector and meeting the temperature rise requirement.
Drawings
FIG. 1 is a schematic structural diagram of a sheet-type contact in the prior art;
FIG. 2 is a schematic diagram of another sheet contact of the prior art;
FIG. 3 is a schematic structural view of embodiment 1 of a contact provided by the present invention;
FIG. 4 is a schematic structural view of embodiment 2 of the contact provided by the present invention;
fig. 5 is a schematic structural diagram of embodiment 1 of the connector provided by the invention;
FIG. 6 is a front view of the connector of FIG. 5;
FIG. 7 is a cross-sectional view taken along line A-A of FIG. 6;
FIG. 8 is a schematic structural view of embodiment 2 of the connector provided by the present invention;
FIG. 9 is a top view of the connector shown in FIG. 8;
fig. 10 is a sectional view taken along line B-B in fig. 9.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings, but the present invention is not limited thereto.
Embodiment 1 of the contact provided by the present invention:
the contact structure in this embodiment is shown in fig. 3, and the contact is used to form a current-increasing contact pair with another contact when in use, and two contacts belonging to the same current-increasing contact pair are distributed at intervals and are matched to form a socket for inserting a corresponding mating contact.
For convenience of description, a side of the contact facing the corresponding mating contact is defined as a front side, the contact in this embodiment includes a conductive fixing portion 10, the conductive fixing portion 10 is used for fixedly mounting the contact in a housing of the connector, the conductive fixing portion is specifically a U-shaped structure, and includes two beams which are distributed at intervals along a front-back direction and extend in parallel along a left-right direction, the two beams are a front beam located at the front side and a rear beam located at the rear side, one end of each beam is connected through an intermediate vertical plate, the two beams are both in a plate structure and are matched with the intermediate vertical plate to form the U-shaped structure.
In fact, the structure of the conductive fixing portion 10 can refer to the beam of the frame-shaped structure on the sheet contact disclosed in the chinese invention patent application with application publication No. CN 10714305A.
The conductive fixing portion 10 is provided with a corresponding terminal 17, which is a contact pin integrally formed at an upper end of the conductive fixing portion and is adapted to be correspondingly connected to a corresponding printed board. Of course, in other embodiments, the leading-out terminal on the conductive fixing portion may also adopt a corresponding fish-eye-shaped press-fitting structure, or other leading-out terminal structures capable of realizing conductive leading-out. The leading-out ends on the conductive fixing parts are sequentially arranged at intervals along the two cross beams.
The contact provided by the embodiment is different from the existing contact mainly in that: the conductive fixed portion is protrusively provided with a front row of contact arms 11 and a rear row of contact arms 16 arranged on the same side as the corresponding mating contact members, both rows of contact arms extending in the up-down direction, and actually, the two rows of contact arms are integrally provided at the lower end of the conductive fixed portion 10, specifically, the front row of contact arms 11 are integrally connected to the front beam, the rear row of contact arms 16 is integrally connected to the rear cross member, the front side of the front row of contact arms 11 facing the mating contact element has a first contact 12 for contacting the mating contact element, correspondingly, the front side of the rear row of contact arms 16 facing the same mating contact element has a second contact 13 for contacting the mating contact element, where the first contact 12 and the second contact 13 are arranged offset in the vertical direction, therefore, the contact parts with the adaptive contact piece can be effectively increased, and the current capacity of the single contact piece is improved. Compared with the contact element shown in fig. 1, the number of contacts is increased by one time, the contact resistance is reduced, and the through-current capacity is effectively improved.
In fact, 5 front row contact arms 11 are distributed at intervals along the left-right direction, 5 rear row contact arms 16 are also distributed at intervals along the left-right direction, 5 front row contact arms 11 are arranged opposite to 5 rear row contact arms 16 in the front-rear direction, and any two adjacent contact arms are provided with a set gap in the left-right direction no matter the front row contact arms or the rear row contact arms, and the front row contact arms and the rear row contact arms are both in a plate-shaped structure.
In addition, the first contacts 12 of all the front row contact arms 11 are arranged in alignment in the front-rear direction, and the second contacts 13 of all the rear row contact arms 16 are also arranged in alignment in the front-rear direction. In the present embodiment, the first contact 12 of each front row contact arm 11 is located above the second contact 13 of each rear row contact arm 16, so that the first contact 23 is arranged offset from the second contact 13 in the vertical direction.
In fact, since the front row of contact arms 11 faces the rear row of contact arms 16, in order to facilitate the second contacts of the rear row of contact arms to contact the corresponding mating contacts, the length of the front row of contact arms 11 is smaller than the length of the rear row of contact arms 16, so that the first contacts 12 are normally located above the second contacts 13. Of course, if the front row of contact arms is not directly opposite to the rear row of contact arms, the first contact may be located below the second contact, so long as the front row of contact arms is dislocated to allow the corresponding second contact to be opened.
In the present embodiment, the first contacts 12 of the front row contact arms 11 are aligned in the front-rear direction in sequence, and the second contacts 13 of the rear row contact arms 16 are also aligned in the front-rear direction. Indeed, in other embodiments, either the first contact 12 of the front row of contact arms 11 or the second contact 13 of the rear row of contact arms 16 may be staggered, e.g., skewed, in the front-to-rear direction.
Further, the first contact 12 of the front row contact arm 11 and the second contact 13 of the rear row contact arm 16 in the present embodiment are in the same vertical plane extending in the up-down direction, so that the rear row contact arm 16 has the front bent portion 15 bent forward so that the second contact can be offset forward to be in the same vertical plane as the first contact.
Because the contact provided by the embodiment is used for being matched with another corresponding contact to form a socket, the vertical direction of the socket is the plugging direction for inserting the corresponding adaptive contact, in order to facilitate the insertion of the adaptive contact, no matter the adaptive contact is a front row of contact arms or a rear row of contact arms, a rear bent part 14 bent backwards is arranged at the lower end of the contact arms, the first contact is positioned at the upper end of the rear bent part of the front row of contact arms, and the second contact is positioned at the transition connection part of the front bent part and the rear bent part of the rear row of contact arms. Of course, such rear bends are primarily used to guide the fitting of the corresponding mating contacts, but in other embodiments, the rear bend configuration may be omitted, and corresponding chamfers or rounded configurations may be designed to guide the insertion.
It should be noted that, in this embodiment, the conductive fixing portion of the contact is in a U-shaped structure, and in other embodiments, the conductive fixing portion may also be in a block structure or a rectangular frame structure, as long as the corresponding terminals are provided, and the front row contact arms and the rear row contact arms can be provided. Moreover, the corresponding leading-out end, the front row contact arm and the rear row contact arm can be integrally stamped and then bent with the conductive fixing part, other integral forming modes can be adopted, or the front row contact arm and the rear row contact arm can be assembled in a split welding connection mode, and the corresponding conductive performance can be ensured.
Embodiment 2 of the contact provided by the present invention:
as shown in fig. 4, the contact provided in example 2 is different from the contact in example 1 mainly in that: the first contacts 24 of the front row contact arms 22 and the second contacts 23 of the rear row contact arms 21 are arranged offset in the left-right direction. In fact, since the front row contact arms 22 and the rear row contact arms 21 are arranged in a staggered manner in the front-rear direction and the first contacts 24 and the second contacts 23 are distributed in a staggered manner in the left-right direction, the whole contact does not need to consider the machining gap between two adjacent front row contact arms or two adjacent rear row contact arms, and as many contact arms as possible can be arranged in the left-right direction, so that the contacts are increased, and the current capacity is increased.
However, in the sheet-type contact disclosed in the chinese invention patent application with application publication No. CN10714305A, the front and rear rows of conductive sheets of the sheet-type contact themselves are matched to form the socket, and no matter the front row of conductive sheets is sequentially arranged in the left-right direction, or the rear row of conductive sheets is sequentially arranged in the left-right direction, a machining gap needs to be left between any adjacent conductive sheets, the gap width is different according to the material, and is generally a wall thickness of the conductive sheets, for the contact having a set length in the left-right direction, the existence of the machining gap actually occupies the space in the left-right direction, and the number of conductive sheets that can be set is inevitably reduced. This is also the meaning of providing the contact member of the present embodiment with the front and rear rows of contact arms and arranging the first contact and the second contact in a staggered manner in the left-right direction.
Specifically, in the present embodiment, two front row contact arms 22 are sequentially arranged at intervals in the left-right direction, three rear row contact arms 21 are sequentially arranged at intervals in the left-right direction, the distance between two adjacent front row contact arms can accommodate one rear row contact arm, the distance between two adjacent rear row contact arms can accommodate one front row contact arm, each front row contact arm and each rear row contact arm are sequentially and alternately arranged in the left-right direction, and a gap is also arranged between adjacent front row contact arms and adjacent rear row contact arms, and the gap is used for conveniently arranging the front row contact arms and the rear row contact arms alternately. In fact, in the left-right direction, the gap between the front row contact arms and the back row contact arms can be as small as possible and can also be zero, that is, the front row contact arms and the back row contact arms are contacted in sequence in the left-right direction, so that the waste of space can be reduced as much as possible, the contact arms can be arranged as much as possible, the number of contacts can be increased as much as possible, and the current capacity can be improved.
Furthermore, the first contact 24 and the second contact 23 are aligned in the up-down direction, so that the gap between adjacent front row contact arms and adjacent rear row contact arms in the left-right direction can only be zero at minimum. In other embodiments, the first contact and the second contact may be staggered in the up-down direction.
It should be noted that in this embodiment, the first contact 24 and the second contact 23 are also located in the same vertical plane extending in the up-down direction, so as to facilitate insertion of the mating contact, in other embodiments, the first contact and the second contact may not be located in the same vertical plane extending in the up-down direction according to actual needs, for example, the vertical plane where a plurality of first contacts are located may be arranged in parallel with the vertical plane where a plurality of second contacts are located, but may be arranged at intervals in the front-back direction, in this case, the distance arrangement between adjacent front row contact arms and adjacent back row contact arms may be a negative value, where a negative value refers to a case where the first contact and the second contact are staggered in the left-right direction, but there is a local overlap of the contact arms, that is, another case where the front row contact arms and the back row contact arms are staggered.
Of course, in the embodiment, for the rear row contact arm, because the second contact needs to be in the same vertical plane as the first contact, the upper bent portion 25 for shifting the second contact forward needs to be provided on the rear row contact arm 21. Similarly, in order to facilitate the insertion of the adaptive contact, the lower ends of the front row contact arms and the rear row contact arms are respectively provided with corresponding downward bending parts which are bent backwards.
The contacts provided in the two embodiments described above usually need to be matched with another contact to form a socket for the corresponding mating contact to plug into, when used specifically, but may be arranged on a single side of the mating contact to be contacted with the corresponding mating contact.
Embodiment 1 of the connector provided by the present invention:
the structure of the connector in this embodiment is shown in fig. 5, 6 and 7, and includes a housing 100, in which a pair of current-increasing contacts 200 is provided, the pair of current-increasing contacts 200 is formed by two contacts which are distributed at intervals, and in fact, two contacts belonging to the same pair of current-increasing contacts 200 are matched to form a socket 300 into which a corresponding mating contact is inserted, where the contacts are the contact structure in contact embodiment 1 shown in fig. 3.
Of course, in other embodiments, the contact in the pair of current-increasing contacts may also be configured as in contact embodiment 2 shown in fig. 4.
In this embodiment, both the contacts of the pair of high-current contacts have the contact structure shown in fig. 3, but in other embodiments, only one of the contacts of the pair of high-current contacts may have the contact structure shown in fig. 3 or 4.
Embodiment 2 of the connector provided by the present invention:
the structure of the connector in this embodiment is shown in fig. 8, 9 and 10, and includes a housing 100 in which a current-increasing contact 200 is provided, the current-increasing contact 200 being the contact structure in contact embodiment 1 shown in fig. 3, and a plug space 300 in which a corresponding mating contact is inserted when the connector is plugged is left in the housing on the front side of the current-increasing contact. In this embodiment, the current increasing contacts are in one-sided contact mating with the corresponding mating contacts.
Claims (3)
1. A contact comprising an electrically conductive fixed portion having a respective terminal, characterized in that: one side facing the adaptive contact element is defined as a front side, a front row contact arm and a rear row contact arm which are arranged on the same side of the adaptive contact element are arranged on the conductive fixing part in a protruding mode, the conductive fixing part is of a U-shaped structure and comprises two cross beams which are distributed at intervals along the front and rear directions and extend in parallel along the left and right directions, the two cross beams are a front cross beam located on the front side and a rear cross beam located on the rear side, one ends of the two cross beams are connected through a middle vertical plate, the front row contact arms are integrally connected onto the front cross beam, and the rear row contact arms are integrally connected onto the; the contact arms of the front row are arranged at intervals along the left-right direction, the contact arms of the rear row are arranged at intervals along the left-right direction, the contact arms of the two rows extend along the up-down direction, the first contacts used for being in contact with the adaptive contact elements are arranged on the front sides of the contact arms of the front row, the second contacts used for being in contact with the adaptive contact elements are arranged on the front sides of the contact arms of the rear row, the first contacts and the second contacts are arranged in a staggered mode in the left-right direction, the first contacts of the contact arms of the front row and the second contacts of the contact arms of the rear row are arranged in a staggered mode in the left-right direction, the contact arms of the front row and the contact arms of the rear row are sequentially and alternately.
2. A connector comprising a housing, characterized in that: at least one current-increasing contact pair is arranged in the shell, the current-increasing contact pair is formed by matching two contact pieces distributed at intervals oppositely, two contact pieces belonging to the same current-increasing contact pair are matched to form a socket for inserting a corresponding adaptive contact piece, and at least one of the two contact pieces belonging to the same current-increasing contact pair adopts the contact piece in claim 1.
3. A connector comprising a housing, characterized in that: at least one current increasing contact piece is arranged in the shell, a plug-in space for inserting a corresponding adaptive contact piece is reserved on the front side of the current increasing contact piece in the shell when the connector is plugged in, and the current increasing contact piece adopts the contact piece in claim 1.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810703379 | 2018-06-30 | ||
| CN2018107033790 | 2018-06-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110459894A CN110459894A (en) | 2019-11-15 |
| CN110459894B true CN110459894B (en) | 2020-12-04 |
Family
ID=68471635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811571626.2A Active CN110459894B (en) | 2018-06-30 | 2018-12-21 | Contact and connector using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110459894B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4734041A (en) * | 1987-06-22 | 1988-03-29 | Control Data Corporation | Electrical power connector |
| JPH08236187A (en) * | 1995-02-28 | 1996-09-13 | Nec Corp | Contact structure and connector for electric connection |
| CN101237089A (en) * | 2007-02-02 | 2008-08-06 | 伊那卡股份公司 | Female electrical terminal |
| CN206789746U (en) * | 2017-05-06 | 2017-12-22 | 立讯精密工业股份有限公司 | Power supply terminal |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6299492B1 (en) * | 1998-08-20 | 2001-10-09 | A. W. Industries, Incorporated | Electrical connectors |
-
2018
- 2018-12-21 CN CN201811571626.2A patent/CN110459894B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4734041A (en) * | 1987-06-22 | 1988-03-29 | Control Data Corporation | Electrical power connector |
| JPH08236187A (en) * | 1995-02-28 | 1996-09-13 | Nec Corp | Contact structure and connector for electric connection |
| CN101237089A (en) * | 2007-02-02 | 2008-08-06 | 伊那卡股份公司 | Female electrical terminal |
| CN206789746U (en) * | 2017-05-06 | 2017-12-22 | 立讯精密工业股份有限公司 | Power supply terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110459894A (en) | 2019-11-15 |
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