CN109149296B - Connector with short-circuit protection function and connecting module thereof - Google Patents
Connector with short-circuit protection function and connecting module thereof Download PDFInfo
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- CN109149296B CN109149296B CN201710509063.3A CN201710509063A CN109149296B CN 109149296 B CN109149296 B CN 109149296B CN 201710509063 A CN201710509063 A CN 201710509063A CN 109149296 B CN109149296 B CN 109149296B
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- contact
- flange
- arm
- contact arm
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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
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
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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
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
- H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
- H01R24/42—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency comprising impedance matching means or electrical components, e.g. filters or switches
- H01R24/48—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency comprising impedance matching means or electrical components, e.g. filters or switches comprising protection devices, e.g. overvoltage protection
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention relates to a connector, in particular to a connector with a short-circuit protection function and a connecting module thereof, aiming at solving the problems of high processing cost and large radial size of the connecting module of the connector in the prior art. The connecting module comprises an insulator and two conductive contact elements arranged in pairs, a contact accommodating hole is formed in the insulator between the two conductive contact elements, a short-circuit contact is arranged in the contact accommodating hole, a flange used for being communicated with the short-circuit contact is arranged on the conductive contact element, the flange is a revolving body structure which is coaxially arranged with the conductive contact element, the outer circular surface of the flange is flush with the hole wall of the contact accommodating hole, and the short-circuit contact is provided with an elastic contact arm which is used for being in elastic contact with the outer circular surface of the flange so as to be communicated with the socket contact element. The flange of the conductive contact element is a revolving body structure which is coaxially arranged with the conductive contact element, so that the manufacturability is good, the requirement on the machining precision is low, and the reduction of the radial dimension is facilitated.
Description
Technical Field
The invention relates to a connector, in particular to a connector with a short-circuit protection function and a connecting module thereof.
Background
Connectors are widely used, and generally include two paired connection modules, namely a plug and a socket, which are inserted into and separated from each other to realize quick connection and disconnection of circuits. The connector with special requirements needs to have a short-circuit protection function, after the plug and the socket of the connector are separated, a certain pair or some conductive contact elements on the plug are short-circuited so as to eliminate potential difference between the conductive contact elements and avoid the situation that when the plug and the socket are plugged, the potential difference between the conductive contact elements causes circuit damage between two corresponding conductive contact elements on the socket and influences normal operation of equipment. After the plug and the socket are inserted in place, the conductive contact elements are required to be isolated from each other, so that the normal conduction of the plug and the socket is ensured, and the operation requirement of equipment is met.
The connector with the short-circuit protection function in the prior art comprises a plug and a socket, wherein the plug comprises a plug insulator and a plug contact element, the socket comprises a socket insulator and a socket contact element, a contact accommodating hole with one end extending to the front end face of the socket insulator is arranged between the two socket contact elements in pair on the socket insulator, a contact piece used for realizing the short circuit and the isolation of the two socket contact elements and a top block used for pushing the short-circuit contact to move backwards are arranged in the contact accommodating hole in a front-back sliding mode, the contact piece forms a short-circuit contact, a pressure spring used as a contact reset spring is arranged between the rear portion of the short-circuit contact piece and the socket insulator, and raised flanges are arranged on the two socket contact elements in pair in the middle portions to be matched with the short-circuit contact. The plug insulator is provided with an ejector rod used for pushing the short-circuit contact to retreat when the plug is plugged with the socket, and when the plug and the socket are separated from each other, the short-circuit contact is simultaneously contacted with flanges on two socket contact elements in pairs under the action of the pressure spring, so that a short circuit is formed between the two socket contact elements; when the plug and the socket are inserted in place, the ejector rod on the plug pushes the ejector block and the short-circuit contact to retreat and separate from the flange on the contact element of the socket, so that the conductive contact elements are isolated from each other, and the operation requirement is met.
However, in order to ensure good conduction between the short-circuit contact and the socket insulator, the short-circuit contact and the socket insulator need to have an overlapping portion in the radial direction to realize axial overlap, so that a high flange needs to be arranged on the conventional socket contact, a conductive mating surface adapted to the short-circuit contact needs to be arranged on the flange, and in order to reduce the influence of the flange on the socket contact on the radial dimension of the connector, the flange on the socket contact adopts an eccentric structure, so that the manufacturability is poor, the requirement on the processing precision of the conductive mating surface is high, and the processing cost is high. In addition, the distance for the ejector rod to pass through needs to be arranged between the flanges of the two socket contact pieces, the radial size of the connector is increased due to the height and the distance of the flanges, the requirement on space is high, miniaturization is not facilitated, and the number of paired conductive contact pieces contained in the connector is greatly limited.
Disclosure of Invention
The invention aims to provide a connector with a short-circuit protection function and a connecting module thereof, and aims to solve the problems of high processing cost and large radial size of the connecting module in the prior art.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the connector with the short-circuit protection function comprises two connecting modules, wherein one connecting module comprises an insulator and two conductive contact elements arranged in pairs, a contact accommodating hole is formed in the insulator between the two conductive contact elements, a short-circuit contact is arranged in the contact accommodating hole, a flange used for being communicated with the short-circuit contact is arranged on the conductive contact element, the flange is a revolving body structure coaxially arranged with the conductive contact element, the outer circular surface of the flange is flush with the hole wall of the contact accommodating hole, and the short-circuit contact is provided with an elastic contact arm used for being in elastic contact with the outer circular surface of the flange so as to be communicated with the conductive contact element.
The elastic contact arm is a U-shaped sheet with a forward opening, and the middle part of the elastic contact arm in the front-back direction is bulged towards the conductive contact piece.
The short circuit contact includes that the opening card that supplies the elastic contact arm installation establishes on the insulating arm seat that touches, and the elastic contact arm is equipped with the mounting hole with the position that the bottom of U-shaped corresponds, and the rear end that the arm seat was touched in the insulation, the elastic contact arm is established on the reference column through the mounting hole cover, is equipped with contact reset spring between the rear of short circuit contact and the insulator, and contact reset spring's front end overlaps and establishes on the reference column.
And a limiting flange used for preventing the elastic contact arm from separating out is arranged at the rear part of the elastic contact arm on the positioning column, and the limiting flange is in interference fit with a mounting hole on the elastic contact arm.
The whole insulating contact arm seat is in a flaky cuboid shape, and the thickness direction of the cuboid is parallel to a connecting line between the two conductive contact pieces.
The side of the insulating contact arm seat, which is parallel to the axial direction of the contact holding hole, is provided with a groove, two convex ribs with cambered lateral surfaces are respectively arranged in the grooves of the conductive contact elements in front of the elastic contact arm, the lateral surfaces of the two convex ribs are on the same circumference, and the front end opening of the contact holding hole is coaxial with the circumference where the convex ribs are located and the diameter of the contact holding hole is smaller than that of the circumference.
The front part of the conductive contact piece close to the plugging end is provided with a pin or a jack, the rear end of the pin or the jack is provided with an annular shaft shoulder, and the flange is formed by the shaft shoulder.
The connecting module of the connector comprises an insulator and two conductive contact elements arranged in pairs, wherein a contact accommodating hole is formed in the insulator between the two conductive contact elements, a short-circuit contact is arranged in the contact accommodating hole, a flange used for being communicated with the short-circuit contact is arranged on the conductive contact element, the flange is a revolving body structure which is coaxially arranged with the conductive contact elements, the outer circular surface of the flange is flush with the hole wall of the contact accommodating hole, and the short-circuit contact is provided with an elastic contact arm which is used for being in elastic contact with the outer circular surface of the flange so as to be communicated with the conductive contact elements.
The elastic contact arm is a U-shaped sheet with a forward opening, and the middle part of the elastic contact arm in the front-back direction is bulged towards the conductive contact piece.
The short circuit contact includes that the opening card that supplies the elastic contact arm installation establishes on the insulating arm seat that touches, and the elastic contact arm is equipped with the mounting hole with the position that the bottom of U-shaped corresponds, and the rear end that the elastic contact arm was equipped with the reference column, the elastic contact arm is established on the reference column through the mounting hole cover, is equipped with contact reset spring between the rear of short circuit contact and the insulator, and contact reset spring's front end overlaps and establishes on the reference column.
And a limiting flange used for preventing the elastic contact arm from separating out is arranged at the rear part of the elastic contact arm on the positioning column, and the limiting flange is in interference fit with a mounting hole on the elastic contact arm.
The whole insulating contact arm seat is in a flaky cuboid shape, and the thickness direction of the cuboid is parallel to a connecting line between the two conductive contact pieces.
The side of the insulating contact arm seat, which is parallel to the axial direction of the contact holding hole, is provided with a groove, two convex ribs with cambered lateral surfaces are respectively arranged in the grooves of the conductive contact elements in front of the elastic contact arm, the lateral surfaces of the two convex ribs are on the same circumference, and the front end opening of the contact holding hole is coaxial with the circumference where the convex ribs are located and the diameter of the contact holding hole is smaller than that of the circumference.
The front part of the conductive contact piece close to the plugging end is provided with a pin or a jack, the rear end of the pin or the jack is provided with an annular shaft shoulder, and the flange is formed by the shaft shoulder.
Has the advantages that: by adopting the technical scheme, the flange of the conductive contact element is a revolving body structure which is coaxially arranged with the conductive contact element, the manufacturability is good, the processing difficulty is low, the outer circular surface of the flange is flush with the hole wall of the contact accommodating hole, the short-circuit contact is provided with the elastic contact arm which is used for being elastically contacted with the outer circular surface of the flange so as to be communicated with the conductive contact element, the requirement on the processing precision can be reduced by realizing the communication through the elastic contact arm, compared with the prior art, the processing cost is favorably reduced, an axial lapping structure is not required to be formed, and the radial size is favorably reduced.
Drawings
FIG. 1 is a schematic view of a connection module of the connector of the present invention;
FIG. 2 is a schematic view of the mating relationship of the shorting contact and the conductive contact of FIG. 1;
FIG. 3 is a front view of FIG. 2;
fig. 4 is a perspective view of the shorting contact of fig. 2;
fig. 5 is a perspective view of the spring contact arm of fig. 2.
The names corresponding to the reference numbers in the figures are: 1-insulator, 2-conductive contact piece, 5-jack, 6-shaft shoulder, 7-contact accommodating hole, 8-short-circuit contact, 9-insulating contact arm seat, 10-positioning column, 11-limiting flange, 12-groove, 13-convex rib, 14-elastic contact arm, 15-mounting hole and 16-contact reset spring.
Detailed Description
The invention will be further explained with reference to the drawings.
One embodiment of the connection module of the connector of the present invention is shown in fig. 1 to 5, and is a plug-type connection module, which includes an insulator 1 and twelve pairs of conductive contacts 2 disposed in the insulator 1, where each pair of conductive contacts 2 needs to be in a short-circuit state before being plugged into a socket, and needs to be isolated from each other after being plugged into the socket, so as to release the short-circuit state. In order to realize the switching between the short circuit state and the isolation state, a contact accommodating hole 7 is arranged between each pair of conductive contact pieces 2, the front end of the contact accommodating hole 7 penetrates through the front end face of the insulator 1, a short circuit contact 8 is assembled in the contact accommodating hole 7 in a guiding and moving mode along the front-back direction, and a contact return spring 16 is arranged between the short circuit contact 8 and the bottom of the contact accommodating hole 7. The contact accommodating hole 7 may be formed directly by the insulator 1, or may be formed by an inner hole of a sleeve by disposing the sleeve between two conductive contact members in a pair.
The conductive contact element 2 is of a revolving body structure as a whole and is of a stepped cylinder shape as a whole. The front end face of the conductive contact element 2 is provided with a jack 5 for fitting with a pin provided on a connection module in the form of a socket. The axial middle part of the outer circular surface is provided with an annular shaft shoulder 6, the shaft shoulder 6 and the conductive contact element 2 are coaxially arranged to form a flange with an outer circular surface for communicating with the short circuit contact 8, and the outer circular surface of the flange is flush with the hole wall of the contact accommodating hole 7.
The short-circuit contact 8 is including supplying the insulating arm seat 9 that touches 14 installations of elastic contact arm, and insulating arm seat 9 that touches wholly is flaky cuboid shape, and the thickness direction of cuboid is parallel with the line between two conductive contact 2, adopts the cuboid structure can realize good front and back direction to can reduce radial dimension and occupy. The elastic contact arm 14 is a U-shaped piece with a forward opening, the middle part of the front-back direction of the elastic contact arm is expanded and protruded towards the conductive contact element 2, and the elastic contact arm is used for being in conductive connection with the outer circular surface of the flange on the conductive contact element 2, so that the material consumption is small, and the size is small. The elastic contact arm 14 is a stamping part, and the cost of single parts is low after batch production. The opening of the elastic contact arm 14 is clamped at the rear end part of the insulating contact arm seat 9, and the opening edge of the opening is matched with the side surface of the cuboid; the elastic contact arm 14 is provided with a mounting hole 15 at a position corresponding to the bottom of the U shape, the rear end of the insulating contact arm seat 9 is provided with a positioning column 10, the elastic contact arm 14 is sleeved on the positioning column 10 through the mounting hole 15, the contact return spring 16 is arranged between the rear part of the short circuit contact 8 and the insulator 1, the front end of the contact return spring is sleeved on the positioning column 10, and the positioning column 10 can support the contact return spring 16 to improve the stability of the contact return spring 16. The elastic contact arm 14 adopts the fixing mode, and is simple in structure and convenient to install. In order to prevent the elastic contact arm 14 from being separated from the insulating contact arm seat 9, a limiting flange 11 is arranged on the positioning column 10 behind the elastic contact arm 14, and the limiting flange 11 is in interference fit with a mounting hole 15 on the elastic contact arm 14.
The side face, parallel to the axial direction of the contact accommodating hole, of the insulating contact arm seat is provided with a groove 12, friction and abrasion between the insulating contact arm seat 9 and the contact accommodating hole are reduced, protruding ribs 13 with cambered outer side faces are arranged in the front of the elastic contact arm 14 in the grooves 12 of the two conductive contact elements 2 respectively, the outer side faces of the two protruding ribs 13 are located on the same circumference, the front end opening of the contact accommodating hole 7 is coaxial with the circumference where the protruding ribs 13 are located, the diameter of the front end opening is smaller than that of the circumference, the short-circuit contact 8 is in blocking fit with the insulator 1 through the part outside the circumference where the protruding ribs 13 are located, and the protruding ribs 13 can ensure that the short-circuit contact 8 is reliably contacted with ejector rods correspondingly arranged on the. In order to reduce the radial space occupation and facilitate the machining of the contact receiving holes 7, the height of the ribs 13 is lower than the depth of the grooves 12.
In the unplugged state of the connector, the elastic contact arms 14 and the flanges of the two conductive contacts 2 in pairs are simultaneously in contact due to the action of the contact return spring 16, thus achieving a short circuit of the two conductive contacts 2. This plug and corresponding socket plug in-process, short circuit contact 8 backward move under the promotion of the ejector pin that sets up on the socket, make the flange alternate segregation on elastic contact arm 14 and the conductive contact 2, realize two conductive contact 2's isolation, can realize the maximize of creepage distance between two conductive contact 2 through the insulating arm seat 9 that touches of cuboid shape simultaneously to improve product electrical property.
In the above embodiments, the connection module of the connector is a plug-type connection module, and in other embodiments of the present invention, the connection module of the connector may be a socket-type connection module. In addition, in other embodiments, the contact arm insulating base may also be disposed behind the elastic contact arm 14, in which case the contact arm may be replaced by a U-shaped piece with a backward opening, and the front of the elastic contact arm 14 may be disposed with a top block as used in the background patent, or may be directly a cavity. Furthermore, in other embodiments, the elastic contact arm 14 may be in other forms, such as a strap contact finger, a spring contact finger, etc. that is looped around the outer surface of the contact arm insulation seat.
One embodiment of the connector with the short-circuit protection function comprises two connecting modules, namely a plug and a socket, wherein the plug is the plug in the connecting module of the connector, the socket is provided with a mandril which is suitable for being matched with the short-circuit contact 8 on the plug to push the short-circuit contact 8 to retreat when being plugged, and the specific structure is not repeated.
Claims (10)
1. Connector with short-circuit protection function, including two connection module, one of them connection module includes insulator and two electrically conductive contact spare that set up in pairs, is equipped with the contact on the insulator between two electrically conductive contact spare and holds and establish the hole, and the contact holds and establishes downthehole short circuit contact that is equipped with, be equipped with the flange that is used for switching on with short circuit contact on the electrically conductive contact spare, its characterized in that: the flange is a revolving body structure coaxially arranged with the conductive contact element, the outer circular surface of the flange is flush with the hole wall of the contact accommodating hole, and the short circuit contact is provided with an elastic contact arm which is elastically contacted with the outer circular surface of the flange so as to be communicated with the conductive contact element; the elastic contact arm is a U-shaped sheet with a forward opening, and the middle part of the elastic contact arm in the front-back direction is expanded and protruded towards the conductive contact piece; the short circuit contact includes that the opening card that supplies the elastic contact arm installation establishes on the insulating arm seat that touches, and the elastic contact arm is equipped with the mounting hole with the position that the bottom of U-shaped corresponds, and the rear end that the arm seat was touched in the insulation, the elastic contact arm is established on the reference column through the mounting hole cover, is equipped with contact reset spring between the rear of short circuit contact and the insulator, and contact reset spring's front end overlaps and establishes on the reference column.
2. The connector with short-circuit protection function according to claim 1, characterized in that: and a limiting flange used for preventing the elastic contact arm from separating out is arranged at the rear part of the elastic contact arm on the positioning column, and the limiting flange is in interference fit with a mounting hole on the elastic contact arm.
3. The connector with short-circuit protection function according to claim 1, characterized in that: the whole insulating contact arm seat is in a flaky cuboid shape, and the thickness direction of the cuboid is parallel to a connecting line between the two conductive contact pieces.
4. The connector with short-circuit protection function according to claim 3, characterized in that: the side of the insulating contact arm seat, which is parallel to the axial direction of the contact holding hole, is provided with a groove, two convex ribs with cambered lateral surfaces are respectively arranged in the grooves of the conductive contact elements in front of the elastic contact arm, the lateral surfaces of the two convex ribs are on the same circumference, and the front end opening of the contact holding hole is coaxial with the circumference where the convex ribs are located and the diameter of the contact holding hole is smaller than that of the circumference.
5. The connector with short-circuit protection function according to any one of claims 1 to 4, characterized in that: the front part of the conductive contact piece close to the plugging end is provided with a pin or a jack, the rear end of the pin or the jack is provided with an annular shaft shoulder, and the flange is formed by the shaft shoulder.
6. The connection module of connector, the connection module includes insulator and two electrically conductive contact members that set up in pairs, is equipped with the contact on the insulator between two electrically conductive contact members and holds and establish the hole, and the contact holds and establishes downthehole short circuit contact that is equipped with, be equipped with the flange that is used for switching on with short circuit contact on the electrically conductive contact member, its characterized in that: the flange is a revolving body structure coaxially arranged with the conductive contact element, the outer circular surface of the flange is flush with the hole wall of the contact accommodating hole, and the short circuit contact is provided with an elastic contact arm which is elastically contacted with the outer circular surface of the flange so as to be communicated with the conductive contact element; the elastic contact arm is a U-shaped sheet with a forward opening, and the middle part of the elastic contact arm in the front-back direction is expanded and protruded towards the conductive contact piece; the short circuit contact includes that the opening card that supplies the elastic contact arm installation establishes on the insulating arm seat that touches, and the elastic contact arm is equipped with the mounting hole with the position that the bottom of U-shaped corresponds, and the rear end that the elastic contact arm was equipped with the reference column, the elastic contact arm is established on the reference column through the mounting hole cover, is equipped with contact reset spring between the rear of short circuit contact and the insulator, and contact reset spring's front end overlaps and establishes on the reference column.
7. The connection module of claim 6, wherein: and a limiting flange used for preventing the elastic contact arm from separating out is arranged at the rear part of the elastic contact arm on the positioning column, and the limiting flange is in interference fit with a mounting hole on the elastic contact arm.
8. The connection module of claim 6, wherein: the whole insulating contact arm seat is in a flaky cuboid shape, and the thickness direction of the cuboid is parallel to a connecting line between the two conductive contact pieces.
9. The connection module of claim 8, wherein: the side of the insulating contact arm seat, which is parallel to the axial direction of the contact holding hole, is provided with a groove, two convex ribs with cambered lateral surfaces are respectively arranged in the grooves of the conductive contact elements in front of the elastic contact arm, the lateral surfaces of the two convex ribs are on the same circumference, and the front end opening of the contact holding hole is coaxial with the circumference where the convex ribs are located and the diameter of the contact holding hole is smaller than that of the circumference.
10. The connection module according to any one of claims 6 to 9, characterized in that: the front part of the conductive contact piece close to the plugging end is provided with a pin or a jack, the rear end of the pin or the jack is provided with an annular shaft shoulder, and the flange is formed by the shaft shoulder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710509063.3A CN109149296B (en) | 2017-06-28 | 2017-06-28 | Connector with short-circuit protection function and connecting module thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710509063.3A CN109149296B (en) | 2017-06-28 | 2017-06-28 | Connector with short-circuit protection function and connecting module thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109149296A CN109149296A (en) | 2019-01-04 |
| CN109149296B true CN109149296B (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710509063.3A Active CN109149296B (en) | 2017-06-28 | 2017-06-28 | Connector with short-circuit protection function and connecting module thereof |
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| Country | Link |
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| CN (1) | CN109149296B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113871974B (en) * | 2021-08-20 | 2023-09-26 | 中航光电科技股份有限公司 | Self-short-circuit connector |
| CN114243369B (en) * | 2021-11-12 | 2024-01-09 | 西安振宇电子工程有限公司 | Quick connecting device for multiple fluid pipelines and multiple plugs of eccentric structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202084697U (en) * | 2011-02-12 | 2011-12-21 | 中航光电科技股份有限公司 | Connector assembly capable of changing open circuit and short circuit states of contact parts and socket of connector assembly |
| CN202333217U (en) * | 2011-10-26 | 2012-07-11 | 贵州航天电器股份有限公司 | Contact piece pair for connector |
| CN202550146U (en) * | 2012-02-29 | 2012-11-21 | 中航光电科技股份有限公司 | Four-core connector with short-circuit protection function |
| CN103390821A (en) * | 2013-07-26 | 2013-11-13 | 上海航天科工电器研究院有限公司 | Contact element free from being closed up |
-
2017
- 2017-06-28 CN CN201710509063.3A patent/CN109149296B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202084697U (en) * | 2011-02-12 | 2011-12-21 | 中航光电科技股份有限公司 | Connector assembly capable of changing open circuit and short circuit states of contact parts and socket of connector assembly |
| CN202333217U (en) * | 2011-10-26 | 2012-07-11 | 贵州航天电器股份有限公司 | Contact piece pair for connector |
| CN202550146U (en) * | 2012-02-29 | 2012-11-21 | 中航光电科技股份有限公司 | Four-core connector with short-circuit protection function |
| CN103390821A (en) * | 2013-07-26 | 2013-11-13 | 上海航天科工电器研究院有限公司 | Contact element free from being closed up |
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| Publication number | Publication date |
|---|---|
| CN109149296A (en) | 2019-01-04 |
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