CN109494500B - Display card connector and electronic device with same - Google Patents
Display card connector and electronic device with same Download PDFInfo
- Publication number
- CN109494500B CN109494500B CN201710814192.3A CN201710814192A CN109494500B CN 109494500 B CN109494500 B CN 109494500B CN 201710814192 A CN201710814192 A CN 201710814192A CN 109494500 B CN109494500 B CN 109494500B
- Authority
- CN
- China
- Prior art keywords
- pair
- grooves
- display card
- card connector
- elastic
- 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.)
- Expired - Fee Related
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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
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/82—Coupling devices connected with low or zero insertion force
- H01R12/85—Coupling devices connected with low or zero insertion force contact pressure producing means, contacts activated after insertion of printed circuits or like structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
- H01R12/721—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures cooperating directly with the edge of the rigid printed circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
- H01R12/73—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/06—Connectors or connections adapted for particular applications for computer periphery
Abstract
The invention provides a display card connector, which is characterized by comprising: the connector comprises a connector body, a rotating piece and at least one pair of conductive elastic sheets, wherein the connector body is provided with a slot, the rotating piece is rotationally fixed on the side part of the connector body, the at least one pair of conductive elastic sheets are partially exposed out of the slot and partially accommodated in the connector body, one end of each of the at least one pair of conductive elastic sheets is fixed on a mainboard and electrically connected with the mainboard, the other end of each of the at least one pair of conductive elastic sheets is fixed on the rotating piece, and the rotating piece drives the at least one pair of conductive elastic sheets to deform under the action of external force so that the conductive elastic sheets are contacted with or separated from a display card inserted into the connector body from the slot, and therefore the mainboard is electrically connected with or disconnected from.
Description
Technical Field
The present disclosure relates to connectors, and particularly to a graphics card connector and an electronic device having the same.
Background
In the prior art, after a chassis is opened, a graphics card is inserted into a slot on a motherboard, so that the graphics card is electrically connected with the motherboard. If the chassis is in a horizontal type, an adapter plate is generally arranged between the display card and the main board, so that the display card is horizontally arranged to save space. However, adopt above mode, when needs installation, change and dismantlement display card, all need reopen quick-witted case upper cover, just can carry out corresponding operation, cause inconvenience for the staff, in addition, set up the keysets between display card and mainboard, both increased extra cost, also weakened signal strength.
Disclosure of Invention
In view of the above, it is desirable to provide a graphics card connector and an electronic device having the same, so as to effectively solve the problems of cost increase and signal attenuation caused by the adapter board during the process of installing, replacing and detaching the graphics card.
The invention provides a display card connector which comprises a connector body, a rotating piece and a conductive elastic piece, wherein the connector body is provided with a slot, and the slot is used for inserting a display card; the rotating piece is rotatably accommodated in the connector body; one end of the conductive elastic sheet is fixed on the mainboard, and the other end of the conductive elastic sheet is fixed on the rotating piece. Under the drive of the rotating piece, the conductive elastic sheet deforms and then contacts with or separates from the display card, so that the mainboard is electrically connected with or disconnected from the display card.
Preferably, the connector body is provided with an accommodating groove, the accommodating groove includes a rotating groove and a pair of sliding grooves, and the rotating groove is communicated with the pair of sliding grooves.
Preferably, the connector body is further provided with a pair of first grooves, a pair of movable grooves and a pair of second grooves, the pair of first grooves, the pair of movable grooves and the pair of second grooves are uniformly distributed on the upper side and the lower side of the slot and are sequentially and correspondingly connected, the pair of movable grooves are communicated through the slot, and the ends, far away from the accommodating groove, of the pair of first grooves and the pair of sliding grooves are respectively communicated.
Preferably, the rotating member includes a handle, a rotating shaft and at least one pair of elastic sliding strips, the handle is connected to the rotating shaft and drives the rotating shaft to rotate, the rotating shaft is connected to the at least one pair of elastic sliding strips, the rotating shaft is accommodated in the rotating groove, and the at least one pair of elastic sliding strips are accommodated in the pair of sliding grooves respectively.
Preferably, the at least one pair of conductive elastic pieces includes an upper conductive elastic piece and a lower conductive elastic piece, one end of each of the upper conductive elastic piece and the lower conductive elastic piece is respectively connected to the at least one pair of elastic sliding bars, and the other end of each of the upper conductive elastic piece and the lower conductive elastic piece is respectively and electrically connected to the main board through the pair of first grooves, the pair of movable grooves and the pair of second grooves in sequence.
Preferably, the rotating shaft drives the at least one pair of elastic sliding strips to slide along the pair of sliding grooves under the action of an external force, and the at least one pair of elastic sliding strips drives the at least one pair of conductive elastic sheets to slide along the pair of first grooves and the pair of second grooves and deform in the movable groove. 7. The graphics card connector of claim 4, wherein the connection portion of the rotation shaft and the at least one pair of elastic sliding strips is designed to be incomplete, and the at least one pair of elastic sliding strips are provided with grooves.
Preferably, the at least one pair of resilient slides are mounted with rolling members.
Preferably, the at least one pair of elastic sliding strips are provided with tooth grooves, and the inner walls of the pair of sliding grooves are provided with gears.
Above-mentioned display card connector inserts the slot of connector body through the display card, and electrically conductive shell fragment one end links to each other with the mainboard, and the other end links to each other with the rotating member, and under the drive of rotating member, electrically conductive shell fragment takes place deformation, and then with display card contact or separation, thereby realize the mainboard with the display card electricity is connected or is broken off, compares with prior art, need not to open quick-witted case operation, and is more convenient, swift, in addition, when the display card level was inserted, need not the keysets that commonly uses among the prior art, thereby reduced signal attenuation, improved signal strength.
Drawings
Fig. 1 is a perspective view of a graphics card connector according to a preferred embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of the graphics card connector of fig. 1.
Fig. 3 is a perspective view illustrating the display card connector, the motherboard and the display card when they are assembled according to the preferred embodiment of the invention.
Fig. 4 is a schematic cross-sectional view of the graphics card connector in fig. 3 before being electrically connected with a graphics card.
Fig. 5 is a schematic cross-sectional view of the display card connector and the display card in fig. 3 after being electrically connected.
Fig. 6 is a schematic perspective view of the display card connector in fig. 3 after being electrically connected with a display card.
Description of the main elements
Rotating trough 111
Inserting groove 15
Upper conductive spring plate 31
Lower conductive spring sheet 32
Detailed Description
The invention is further described below with reference to the following figures and examples.
As shown in fig. 1, the graphics card connector 100 of the present invention includes a connector body 10, a rotating member 20, and a plurality of pairs of conductive elastic pieces 30. The conductive elastic sheet 30 is partially exposed out of the slot 15 of the connector body 10, and is partially accommodated in the connector body 10. The rotating member 20 is rotatably fixed to a side portion of the connector body 10 and connected to the conductive elastic piece 30, and the rotating member 20 rotates to drive the conductive elastic piece 30 to elastically deform. When the display card 300 (shown in fig. 6) is inserted into the connector body 10 from the slot 15, the rotating member 20 controls the conductive elastic piece 30 to be electrically connected or disconnected with the display card 300.
As shown in fig. 2, the connector body 10 is substantially rectangular, and has a receiving slot 11, a pair of first grooves 12, a pair of movable slots 13, a pair of second grooves 14, and a slot 15 for inserting a graphics card 300 (fig. 6).
The housing groove 11 includes a rotation groove 111 and a pair of slide grooves 112 penetrating the rotation groove 111. Specifically, the rotating slot 111 is circular, the shape and the opening direction of the pair of sliding slots 112 are determined according to the implementation, in this embodiment, the pair of sliding slots 112 are all flat rectangles and are vertically arranged, in addition, the pair of sliding slots 112 can be mutually communicated or isolated, and in this embodiment, the pair of sliding slots 112 are mutually communicated.
The shapes and sizes of the pair of first grooves 12 and the pair of second grooves 14 may be determined according to specific situations, but it is limited that the shapes and sizes of the pair of first grooves 12 and the pair of second grooves 14 can accommodate the conductive elastic sheet 30, so that the conductive elastic sheet 30 can slide in the first grooves 12 and the second grooves 14 without elastic deformation. The pair of first grooves 12 are communicated with one ends of the pair of sliding grooves 112 far away from the accommodating groove 111, the pair of first grooves 12, the pair of movable grooves 13 and the pair of second grooves 14 are distributed on the upper side and the lower side of the slot 15 and are communicated correspondingly in sequence, and the pair of movable grooves 13 are communicated through the slot 15.
The rotating member 20 includes a plurality of pairs of elastic slide bars 21, a rotating shaft 22, and a handle 23 (fig. 1). Each elastic sliding strip 21 is strip-shaped and is provided with a plurality of grooves 211 to improve the elasticity of the elastic sliding strip 21, a plurality of pairs of elastic sliding strips 21 are respectively accommodated in a pair of sliding grooves 112 and can slide along the sliding grooves 112, it is foreseen that in other embodiments, a plurality of pairs of elastic sliding strips 21 can be sequentially connected with each elastic sliding strip 21 according to actual conditions so as to be replaced by a pair of elastic sliding plates, in addition, rolling members such as balls can be installed at appropriate positions of the elastic sliding strips 21 to enable the relative sliding of the elastic sliding strips 21 and the sliding grooves 112 to be changed into relative rolling, or tooth grooves can be arranged at appropriate positions of the elastic sliding strips 21, the elastic sliding strips 21 are designed into racks, and gears matched with the racks are installed at the inner walls of the sliding grooves 112, so that the elastic sliding strips 21 and the sliding grooves 112 are in rack and gear matching, thereby facilitating the relative movement of the elastic sliding strips 21 along the sliding grooves 112, and therefore, any suitable means for facilitating the relative movement of the two is suitable for the scope of the present invention. The rotation shaft 22 is substantially circular and connected to the pair of elastic bars 21, in the embodiment, the connection portion between the rotation shaft 22 and the elastic bars 21 is designed to be a gap so as to increase the length of the elastic bars 21, thereby improving the elasticity of the elastic bars 21, and the rotation shaft 22 is rotatably accommodated in the rotation groove 111. The handle 23 (fig. 1) is substantially strip-shaped, and chamfers are arranged between adjacent surfaces to reduce sharpness, and the handle 23 is connected with the rotating shaft 22 to drive the rotating shaft 22 to rotate, so as to drive the elastic slide bar 21 to slide.
The pairs of conductive elastic pieces 30 include a plurality of upper conductive elastic pieces 31 and a plurality of lower conductive elastic pieces 32 corresponding to the plurality of upper conductive elastic pieces 31, and the distance between the plurality of upper conductive elastic pieces 31 and the distance between the plurality of lower conductive elastic pieces 32 are the same as the distance between the chips 303 (fig. 4) on the display card 300. One end of each of the upper conductive elastic sheet 31 and the lower conductive elastic sheet 32 is connected to the pair of elastic sliding bars 21, and the other end thereof is connected to the main board 200 (fig. 6) through the pair of first grooves 12, the pair of movable grooves 13, and the pair of second grooves 14.
As shown in fig. 3, another embodiment of the present application provides an electronic device, including: the display card connector 100, the motherboard 200, the display card 300 and the panel 400. The graphics card connector 100 is the graphics card connector 100 according to the first embodiment.
The graphics card connector 100 is disposed on the main board 200. The graphics card 300 includes a cover 301, a base 302, and a plurality of pairs of chips 303, wherein the cover 301 is substantially rectangular, the base 302 is connected to a side surface of the cover 301, and the plurality of pairs of chips 303 are respectively disposed on upper and lower surfaces of one side of the base 302. The panel 400 is connected to the main board 200 and has an opening 401, and the display card 300 is inserted into the display card connector 100 through the opening 401, so as to be electrically connected to or disconnected from the display card connector 100.
Referring to fig. 4 and 5, when the display card 300 is mounted, the display card 300 is inserted into the slot 15 of the display card connector 100 through the opening 401 of the panel 400 along the direction G, and the chip 303 of the display card 300 is separated from the conductive elastic piece 30 of the display card connector 100.
As shown in fig. 6, then, the handle 23 is rotated counterclockwise (fig. 1), the handle 23 drives the rotating shaft 22 to rotate counterclockwise, because the pair of elastic sliding bars 21 are respectively accommodated in the pair of sliding slots 112 and have a certain elasticity, the rotating shaft 22 drives the pair of elastic sliding bars 21 to respectively slide upward along the pair of sliding slots 112, because one end of the upper conductive elastic strip 31 and one end of the lower conductive elastic strip 32 are respectively connected to the pair of elastic sliding bars 21, and the other end of the upper conductive elastic strip 31 and the other end of the lower conductive elastic strip 32 are respectively connected to the motherboard 200 through the pair of first grooves 12, the pair of elastic sliding bars 21 respectively drive the upper conductive elastic strip 31 and the lower conductive elastic strip 32 to move in a direction away from the sliding slots 112 through the pair of first grooves 12, at this time, because the total length of the conductive elastic strip 30 is not changed, the conductive elastic strip 30 is not deformed in the second groove 14, i.e., therefore, when the length of the conductive elastic sheet 30 in the first groove 12 is reduced, the length of the conductive elastic sheet 30 in the movable groove 13 is increased, so that the conductive elastic sheet 30 is deformed at the movable groove 13, specifically, the upper conductive elastic sheet 31 moves downwards, and the lower conductive elastic sheet 32 moves upwards, so that the upper conductive elastic sheet 31 and the lower conductive elastic sheet 32 are respectively contacted with a plurality of pairs of chips 303 of the display card 300, so that the conductive elastic sheet 30 is electrically connected with the plurality of pairs of chips 303 of the display card 300, and the conductive elastic sheet 30 is electrically connected with the main board 200, so that the main board 200 is electrically connected with the plurality of pairs of chips 303 of the display card 300, and the installation process of the display card 300 is completed.
Accordingly, when the display card 300 needs to be detached, the handle 23 is rotated clockwise, so that the upper conductive elastic piece 31 and the lower conductive elastic piece 32 are simultaneously away from the chip 303 of the display card 300, and the main board 200 is disconnected from the display card 300, so as to take out the display card 300.
Further, when the handle 23 is rotated counterclockwise to electrically connect the main board 200 and the display card 300, the handle 23 just presses the cover 301 of the display card 300 against the panel 400 to lock the display card 300.
According to the display card connector and the electronic device with the display card connector, when the display card 300 is inserted into the connector body 10, the rotating piece 20 drives the conductive elastic piece 30 to deform under the action of external force, so that the conductive elastic piece 30 is in contact with or separated from the display card 300, and therefore the mainboard is electrically connected with or disconnected from the display card 300.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures made by using the contents of the specification and the drawings of the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.
Claims (10)
1. A graphics card connector, comprising:
the connector body is provided with a slot;
a rotating member rotatably fixed to a side portion of the connector body;
at least one pair of conductive elastic sheets, wherein the conductive elastic sheets are partially exposed out of the slot and partially accommodated in the connector body, one end of each conductive elastic sheet is fixed on the mainboard and is electrically connected with the mainboard, and the other end of each conductive elastic sheet is fixed on the rotating piece;
the rotating piece drives the at least one pair of conductive elastic sheets to deform under the action of external force, so that the conductive elastic sheets are in contact with or separated from the display card inserted into the connector body from the slot, and the mainboard is electrically connected with or disconnected from the display card.
2. The graphics card connector of claim 1, wherein the connector body defines a receiving slot, the receiving slot includes a rotation slot and a pair of sliding slots, and the rotation slot is connected to the pair of sliding slots.
3. The graphics card connector of claim 2, wherein the connector body further defines a pair of first grooves, a pair of movable grooves and a pair of second grooves, the pair of first grooves, the pair of movable grooves and the pair of second grooves are distributed on the upper and lower sides of the slot and are connected in sequence, the pair of movable grooves are communicated with each other through the slot, and the pair of first grooves are communicated with the ends of the pair of sliding grooves away from the receiving groove.
4. The graphics card connector of claim 3, wherein the rotation member comprises a handle, a rotation shaft and at least one pair of elastic sliding strips, the handle is connected with the rotation shaft and drives the rotation shaft to rotate, the rotation shaft is connected with the at least one pair of elastic sliding strips, the rotation shaft is received in the rotation groove, and the at least one pair of elastic sliding strips are respectively received in the pair of sliding grooves.
5. The graphics card connector of claim 4, wherein the at least one pair of conductive clips comprises an upper conductive clip and a lower conductive clip, one end of the upper conductive clip and one end of the lower conductive clip are respectively connected to the at least one pair of elastic sliding strips, and the other end of the upper conductive clip and the other end of the lower conductive clip are respectively electrically connected to the motherboard through the pair of first grooves, the pair of movable grooves and the pair of second grooves in sequence.
6. The graphics card connector of claim 4, wherein the rotation shaft drives the at least one pair of elastic sliding strips to slide along the pair of sliding grooves under an external force, and the at least one pair of elastic sliding strips drives the at least one pair of conductive elastic pieces to slide along the pair of first grooves and the pair of second grooves and deform in the pair of movable grooves.
7. The graphics card connector of claim 4, wherein the connection portion of the rotation shaft and the at least one pair of elastic sliding strips is designed to be incomplete, and the at least one pair of elastic sliding strips are provided with grooves.
8. The graphics card connector of claim 4, wherein the at least one pair of resilient slides are mounted with rollers.
9. The graphics card connector of claim 4, wherein the at least one pair of elastic sliding strips are provided with tooth grooves, and the inner walls of the pair of sliding grooves are provided with gears.
10. An electronic device, characterized in that, includes display card connector, mainboard, display card and panel, the display card connector be any one of claims 1 ~ 9 the display card connector, the display card connector set up in on the mainboard, the display card includes lid, bottom plate and a plurality of to the chip, the bottom plate with the side of lid links to each other, a plurality of to the chip set up respectively in the upper and lower two sides of bottom plate one side, the panel with the mainboard links to each other to the opening has been seted up, the display card passes through the opening inserts the display card connector, thereby with the display card connector electricity is connected or is broken off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710814192.3A CN109494500B (en) | 2017-09-11 | 2017-09-11 | Display card connector and electronic device with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710814192.3A CN109494500B (en) | 2017-09-11 | 2017-09-11 | Display card connector and electronic device with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109494500A CN109494500A (en) | 2019-03-19 |
| CN109494500B true CN109494500B (en) | 2020-08-28 |
Family
ID=65687872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710814192.3A Expired - Fee Related CN109494500B (en) | 2017-09-11 | 2017-09-11 | Display card connector and electronic device with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109494500B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1168011A (en) * | 1996-04-17 | 1997-12-17 | 莫列斯公司 | Circuit card connector utilizing flexible film circuitry |
| CN101297442A (en) * | 2005-10-26 | 2008-10-29 | 艾利森电话股份有限公司 | Device for plate connection |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4643500A (en) * | 1985-11-13 | 1987-02-17 | Beta Phase, Inc. | Shape memory actuators for multi-contact electrical connectors |
| GB9508690D0 (en) * | 1995-04-28 | 1995-06-14 | Amp Gmbh | Zero insertion force connector with wiping action |
| US5795171A (en) * | 1996-07-16 | 1998-08-18 | Litton Systems, Inc. | All plastic zero insertion force electrical connector |
| JP5327461B2 (en) * | 2009-05-13 | 2013-10-30 | 第一精工株式会社 | Connector device |
| JP5501788B2 (en) * | 2010-02-17 | 2014-05-28 | 第一電子工業株式会社 | connector |
| CN102971917B (en) * | 2011-01-27 | 2015-02-11 | 第一精工株式会社 | Electric connecter |
| DE102011076176A1 (en) * | 2011-05-20 | 2012-11-22 | Robert Bosch Gmbh | Steckkontaktierung |
| CN206225602U (en) * | 2015-11-18 | 2017-06-06 | 莫列斯有限公司 | Connector |
-
2017
- 2017-09-11 CN CN201710814192.3A patent/CN109494500B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1168011A (en) * | 1996-04-17 | 1997-12-17 | 莫列斯公司 | Circuit card connector utilizing flexible film circuitry |
| CN101297442A (en) * | 2005-10-26 | 2008-10-29 | 艾利森电话股份有限公司 | Device for plate connection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109494500A (en) | 2019-03-19 |
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Granted publication date: 20200828 |