CN110554746A - board card adapter - Google Patents
board card adapter Download PDFInfo
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- CN110554746A CN110554746A CN201910645981.8A CN201910645981A CN110554746A CN 110554746 A CN110554746 A CN 110554746A CN 201910645981 A CN201910645981 A CN 201910645981A CN 110554746 A CN110554746 A CN 110554746A
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- adapter
- board card
- board
- card
- frame
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/18—Packaging or power distribution
- G06F1/183—Internal mounting support structures, e.g. for printed circuit boards, internal connecting means
- G06F1/185—Mounting of expansion boards
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
the invention discloses a board adapter device, and relates to the field of structures and connection. The device comprises an adapter rack, wherein at least 1 board fixing area with the same or different area is divided in the adapter rack; the panel side of the adapter rack is provided with 1 board card plugging port corresponding to each board card fixing area, and the back plate side of the adapter rack is provided with 1 electric adapter plate embedded in the adapter rack; the panel side of the electric adapter plate is provided with 1 group of plate card connectors corresponding to each plate card fixing area, and the back plate side of the electric adapter plate is provided with an adapter plate connector. The invention can reliably electrically connect 1 or more small board cards with smaller sizes with the back plate, perform on-line live blind plugging operation and reliably fix the plug-in box.
Description
Technical Field
The invention relates to the field of structures and connection, in particular to a board adapter device.
Background
With the explosive increase of information capacity, the capacity of communication equipment is larger and larger, and the types of equipment interfaces are more and more, so that different services are configured by the electronic equipment generally by inserting the board card into the back plate of the plug-in box, thereby realizing the flexible configuration and capacity expansion of the service types and capacities.
Meanwhile, with the rapid development of the electronic information technology, the communication equipment is updated more and more quickly, and a challenge is brought to how to protect the early investment of users, reduce the types and the number of spare parts and reduce the maintenance workload. Therefore, the industry provides the requirement of using the board card of the previous equipment on the new equipment; at present, no actual product can meet the requirements.
chinese utility model patent with publication number CN201256508Y discloses a medium and small single board conversion frame, which can fix different sizes of boards simultaneously, but has the following defects when in use:
(1) If all the small board cards in the conversion frame are electrically connected with the back plate, a connector is required to be arranged at the corresponding position of the back plate and each small board card connector; it can be known that before the adapter is used, the model and position of the connector on the backplane of the plug-in box need to be planned, the large and small boards generally need to be developed in parallel, and the direction and left and right positions of the small boards when being inserted into the plug-in box are limited due to the position and direction limitations of the backplane connector. For the above reasons, the possibility that the front stock small board cards are directly inserted into the plug-in box is not high, that is, the applicability of the conversion frame is poor.
(2) Because big, the direct connector that realizes physical connection with the backplate of platelet card, so the degree of depth of big, the platelet card generally must be unanimous [ i.e. the depth dimension of platelet card must with subrack guide rail degree of depth adaptation ] this can lead to this conversion frame can only guarantee the fixed effect of the integrated circuit board that degree of depth and subrack match, to being less than the integrated circuit board of subrack degree of depth, can not match because of degree of depth and subrack guide rail degree of depth, and the situation that can't realize being connected with the backplate or the panel side can't be operated appears.
Disclosure of Invention
Aiming at the defects in the prior art, the invention solves the technical problems that: how to reliably electrically connect 1 or more small board cards with smaller sizes with a back plate, perform on-line live blind plugging operation and reliably fix the small board cards with a plug box.
In order to achieve the above purpose, the board adapter device provided by the invention comprises an adapter frame, wherein at least 1 board fixing area with the same or different area is divided in the adapter frame; the panel side of the adapter rack is provided with 1 board card plugging port corresponding to each board card fixing area, and the back plate side of the adapter rack is provided with 1 electric adapter plate embedded in the adapter rack; the panel side of the electric adapter plate is provided with 1 group of plate card connectors corresponding to each plate card fixing area, and the back plate side of the electric adapter plate is provided with an adapter plate connector.
On the basis of the technical scheme, the adapter frame comprises an upper fixing frame, a lower fixing frame and at least 1 middle fixing frame which are basically parallel, all the middle fixing frames are positioned between the upper fixing frame and the lower fixing frame, and all the fixing frames are fixed through a supporting piece; the area between the adjacent fixing frame and the supporting piece is a board card fixing area.
On the basis of the technical scheme, the bottom of the upper fixing frame, the top of the lower fixing frame, and the top and the bottom of each middle fixing frame are respectively provided with a board card sliding groove; the top of the upper fixing frame and the bottom of the lower fixing frame are both provided with sliding rails.
On the basis of the technical scheme, the width of the board card sliding grooves is matched with the thickness of the board card to be inserted in the corresponding board card fixing area, and the distance between every two adjacent board card sliding grooves is matched with the height of the board card to be inserted; the slide rail is flange formula structure, its thickness and the adaptation of the corresponding integrated circuit board that needs insert the backplate, its width and the guide rail adaptation of subrack, the interval adaptation of the upper and lower guide rail that the interval of two slide rails corresponds with the subrack.
On the basis of the technical scheme, the panel side of the adapter rack is also provided with a board card support frame, and board card fixing ports are formed in the corresponding parts of the board card support frame and each board card plugging port.
On the basis of the technical scheme, 1 group of board card guiding devices are respectively arranged at the positions, corresponding to the panel side of the electric adapter board and each board card fixing area; the backplate side of electricity keysets is provided with 1 group of keysets guider.
On the basis of the technical scheme, the 1 group of board card guiding devices and the 1 group of adapter board guiding devices respectively comprise at least 2 guiding devices.
On the basis of the technical scheme, an adapter rack locking mechanism is further arranged on the panel side of the adapter rack.
On the basis of the technical scheme, the panel side of the adapter rack is provided with a board card locking mechanism at the corresponding part of each board card fixing area.
On the basis of the technical scheme, an adapter rack plugging and unplugging mechanism is further arranged on the panel side of the adapter rack.
Compared with the prior art, the invention has the advantages that:
According to the invention, the adapter frame matched with the size of the back plate and the size of the plug-in box can be designed, so that the adapter device can be plugged in and pulled out of the back plate of the plug-in box; the board card fixing area matched with the small board card to be used in size is designed on the adapter rack, so that the board cards with the same or different sizes can be plugged and pulled out; the electric connection with the backboard and the board card in the board card fixing area is realized through the connectors on the side of the electric adapter board panel and the side of the backboard respectively, so that the electric connection between the board card in the board card fixing area and the backboard is realized.
On the basis, compared with the large and small single board conversion frames which need to be respectively provided with a connector at the corresponding position of the back board and each board card connector in the prior art, the invention can realize the electric connection of the board card and the back board through the electric adapter board, and further only needs to arrange the adapter board connector corresponding to the back board connector at the back board side of the electric adapter board. In view of this, the invention can electrically connect the board card with a size not matched with the plug-in box, the connector and the back plate to the back plate under the condition that the existing large board card, the existing small board card and the existing plug-in box are not changed.
Further, the board card is connected with the back plate through the electric adapter plate, the position and the direction of the connector corresponding to the small board card on the electric adapter plate can be adjusted according to requirements, the small board card can be adjusted up and down and left and right in the board card adapter, and the small board card can also be rotated by 180 degrees according to requirements.
Meanwhile, the invention can match the board cards with different depths by changing the depth of the electric adapter plate embedded in the adapter rack, thereby ensuring the fixing effect of the board cards with different sizes in the width, depth and height directions.
Drawings
Fig. 1 is a schematic structural diagram of a board adapter according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an electrical interposer in an embodiment of the present invention;
Fig. 3 is a schematic structural diagram of another board card adapting device in the embodiment of the present invention;
Fig. 4 is a schematic structural diagram of the board card adapting device and the plug box in the embodiment of the present invention.
In the figure: 1-an adapter rack, 2-an adapter rack locking mechanism, 3-a board locking mechanism, 4-an adapter rack plugging mechanism, 5-a board plugging port, 6-a board supporting rack, 7-a sliding rail, 8-an electric adapter board, 8 a-a board guiding device, 8 b-a board connector, 8 c-an adapter board guiding device, 8 d-an adapter board connector, 9-an upper fixing rack, 10-a board sliding chute, 11-a middle fixing rack, 12-a supporting piece, 13-a lower fixing rack, 14-a plug box, 15-a backboard guiding device, 16-a backboard connector, 17-a guide rail and 18-a small board.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1, the board card adapting device in the embodiment of the present invention includes an adapter 1, where at least 1 board card fixing area with the same or different area is divided inside the adapter 1; the panel side of the adapter rack 1 is provided with 1 board card plugging port 5 corresponding to each board card fixing area, and the back board side of the adapter rack 1 is provided with 1 electric adapter board 8 embedded in the adapter rack 1. Referring to fig. 1, the panel side of the electrical interposer 8 is provided with 1 set of board card connectors 8b corresponding to each board card fixing area, and referring to fig. 2, the backplane side of the electrical interposer 8 is provided with an interposer connector 8d for electrically connecting to the backplane.
Therefore, the invention has the following advantages:
According to the invention, the adapter 1 matched with the size of the backboard board card can be designed, so that the adapter can be plugged in and pulled out from the backboard of the plug-in box 14; the board card fixing area matched with the board card to be used in size is designed on the adapter frame 1, so that the board cards with the same or different sizes can be plugged and pulled out; the connectors on the back plate side and the panel side of the electric adapter plate 8 are respectively electrically connected with the back plate and the board card in the board card fixing area, so that the board card in the board card fixing area is reliably and electrically connected with the back plate.
On the basis, compared with the prior art in which a large single board conversion frame and a small single board conversion frame are required to be respectively configured at the corresponding positions of the backboard and each board card connector 8b, the invention only needs to arrange the adapter board connector 8d corresponding to the backboard connector 16 at the backboard side of the electric adapter board 8, so that the reliable electric connection between the board and the backboard can be realized through the electric adapter board 8, and the position and the direction of the backboard connector 16 can be adjusted according to the layout of the backboard so as to avoid interference.
in view of this, the invention can electrically connect the board card with a size not matched with the plug-in box, the connector and the back plate to the back plate under the condition that the existing large board card, the existing small board card and the existing plug-in box are not changed.
meanwhile, the width and the height of the adapter device are matched with (basically same as) a large board card (the large board card which is originally corresponding to the adapter device and needs to be inserted into the plug-in box), and the depth of the adapter device ensures that the adapter device does not interfere with a back plate of the plug-in box 14 and ensures enough safety spacing after the adapter device is completely inserted into the plug-in box 14, so that the adapter device is ensured to be fixed in the width, height and depth directions; meanwhile, the size of each small board card insertion and extraction opening in the adaptive device is matched with (basically same as) the height and width of one small board card, the invention also changes the depth of the electric adapter plate 8 embedded in the adaptive device to match small board cards with different depths, so that the actual depth (sum of the depths of the board card and the electric adapter plate 8) of the small board card inserted into the adaptive device is flush with the depth of the corresponding large board card on the plug-in box, and the fixing effect of the board cards with different sizes in the width, depth and height directions is further ensured.
the board card adapting device of the present invention is described below by ten embodiments.
the first embodiment is as follows:
Referring to fig. 1, when more than 2 small boards need to be plugged, the adapter frame 1 includes an upper fixing frame 9, a lower fixing frame 13, and at least 1 middle fixing frame 11, which are substantially parallel, all the middle fixing frames 11 are located between the upper fixing frame 9 and the lower fixing frame 13, and all the fixing frames are fixed by a supporting member 12; the area between the adjacent fixing frames (the upper fixing frame 9 and the middle fixing frame 11, the adjacent middle fixing frame 11, the middle fixing frame 11 and the lower fixing frame 13) and the supporting piece 12 is a board fixing area.
When 1 small card needs to be inserted and pulled out, the adapter frame 1 only needs to comprise an upper fixing frame 9 and a lower fixing frame 13 which are basically parallel.
example two:
On the basis of the first embodiment, referring to fig. 1, the bottom of the upper fixing frame 9, the top of the lower fixing frame 13, and the top and the bottom of each middle fixing frame 11 are all provided with board card chutes 10 for inserting and pulling the small board cards on the adapter frame 1; referring to fig. 1, the top of the upper fixing frame 9 and the bottom of the lower fixing frame 13 are provided with slide rails 7 for inserting and pulling the adapter device in the inserting box.
This embodiment accessible integrated circuit board spout 10 and support piece 12 realize the positive and negative plug of little integrated circuit board, and concrete form is: referring to fig. 1, when the small board card needs to be inserted and pulled in the forward direction (i.e. the element of the board card faces to the right), the board card chute 10 may be disposed at the left side of the fixing frame, and the supporting member 12 (the supporting member 12 may be designed in the form of the panel opening of fig. 1 or the frame of fig. 3) may be disposed at the left side or the right side of the fixing frame; referring to fig. 3, when the small board needs to be plugged and unplugged in a reverse direction (i.e., the element surface of the board faces to the left), the small board sliding groove 10 may be disposed on the left side of the fixing frame, the supporting member 12 (the supporting member 12 may be designed in the panel opening form of fig. 1 or the frame form of fig. 3) may be disposed on the left side or the right side of the fixing frame, and the width of the small board panel does not exceed the width of the adapter frame 1 from left to right when the board is plugged and unplugged in the forward.
The inserting and extracting direction of the supporting piece 12 arranged on the left side or the right side and the small board card determines the height limit requirement (safety distance) of the small board card element surface and the welding surface.
Example three:
On the basis of the second embodiment, the width of the board card sliding groove 10 is adapted to the thickness of the PCB (a certain gap is reserved) of the corresponding small board card (the board card to be inserted in the corresponding board card fixing area), and the distance between the adjacent board card sliding grooves 10 is adapted to the height of the PCB of the corresponding small board card (a certain gap is reserved), so that the small board card can be conveniently inserted into and pulled out of the adapter; the slide rails 7 are of a flange type structure, the thickness of the slide rails is matched with (basically same as) the thickness of a PCB of a large board card, the width of the slide rails is matched with the guide rails 17 of the plug-in box 14 (the width of the slide rails is slightly smaller than that of the guide rails 17 of the plug-in box 14), and the distance between the two slide rails 7 is matched with the distance between the upper guide rail 17 and the lower guide rail 17 corresponding to the plug-in box 14 (the distance between the upper guide rail 17 and the lower guide rail 17 is slightly smaller than that of the.
Structures matched with the small plate card wrench are arranged at the bottom of the upper fixing frame 9 on the side of the adapting frame panel, at the top and the bottom of the middle fixing frame 11 and at the top of the lower fixing frame 13, so that the small plate card can be plugged and unplugged by using the wrench.
example four:
On the basis of the first embodiment, as shown in fig. 1, the board side of the adapter frame 1 is further provided with a board card support frame 6, the board card support frame 6 is fixed to the panel side of each fixing frame, board card fixing ports are formed in the corresponding positions of the board card support frame 6 and each board card inserting and extracting port 5, and after the small board cards are inserted into the adapter frame 1, the panels of the small board cards can be just filled into the board card fixing ports, so that the fixing effect of the board cards is further improved.
When the width of the small board card is the same as that of the large board card, the board card support frame 6 is not required to be arranged, and the opening mode of the small board card is directly designed according to the opening mode of the picture 3.
Example five:
Referring to fig. 1 and 2, 1 set of board card guide devices 8a are respectively arranged at the positions, corresponding to the panel side of the electrical adapter board 8, of each board card fixing area, and the board card guide devices 8a are designed according to the positions of the small boards in the adapter rack 1, so that the effect of adapting to the guide devices of the small boards is achieved, and the blind plugging function of the small boards is achieved. Referring to fig. 2, 1 set of interposer guide devices 8c is disposed on the backplane side of the electrical interposer 8, and the interposer guide devices 8c are designed according to the positions of the guide devices on the backplane, so as to achieve the effect of adapting to the guide devices on the backplane, thereby achieving the blind plugging function of the adapter 1.
Example six:
On the basis of the fifth embodiment, referring to fig. 1 and 2, in order to ensure the guiding effect, at least 2 guiding devices are included in each of the 1 group of board card guiding devices 8a and the 1 group of adapter board guiding devices 8 c.
Example seven:
On the basis of the first embodiment, referring to fig. 1, the panel side of the adapter frame 1 is further provided with an adapter frame locking mechanism 2, the adapter frame locking mechanism 2 can adopt mechanisms such as wrench self-locking or screw locking according to the weight of the small board card in the adapter frame 1, and the adapter frame locking mechanism 2 in the embodiment adopts 2 locking screws which are respectively positioned above and below the panel side of the adapter frame 1, so as to realize the locking of the adapter frame 1.
Example eight:
On the basis of the first embodiment, referring to fig. 1, the board locking mechanisms 3 are respectively disposed at the positions corresponding to the panel side of the adapter frame 1 and the fixing area of each board card, the board locking mechanisms 3 in this embodiment are threaded holes formed in the fixing frame, and are specifically located at the bottom of the panel side of the upper fixing frame 9, at the top of the panel side of the lower fixing frame 13 and at the top and top of the panel side of the middle fixing frame 11, and the threaded holes of the adjacent 2 fixing frames correspond to 1 board card, so that the locking of the small board cards is realized. If the small plate clamping wrench has a locking function, self-locking can be realized through the small plate clamping wrench and the adapter rack 1.
example nine:
On the basis of the first embodiment, as shown in fig. 1, the panel side of the adapter frame 1 is further provided with an adapter frame plugging mechanism 4, specifically, 2 wrenches respectively arranged on the upper and lower sides of the panel side of the adapter frame 1, so as to facilitate plugging and unplugging of the adapter frame 1.
Example ten: the process of mating the card adapter with the receptacle 14.
(1) Assembling the adapter device: referring to fig. 4, the electrical adapter plate 8 is fixed on the adapter frame 1 in a direction parallel to the backplane to form a board card adapter device.
(2) Board card adapter insertion into the box 14: referring to fig. 4, the slide rails 7 of the adapter rack 1 are aligned with the guide rails 17 of the corresponding slots of the receptacle 14, and the adapter rack 1 is pushed slightly inward, during which the adapter board guides 8c and backplane guides 15 begin to guide and align the adapter board connectors 8d with the backplane connectors 16 before contact with the backplane connectors. If the plugging force is small (the number of pins of the backplane connector 16 is small), the adapter frame 1 is directly pushed in place, and the locking mechanism is fastened after the adapter board connector 8d is reliably connected with the backplane connector 16; if the plugging force is large (the number of pins of the backplane connector 16 is large), when the adapter connector 8d is pushed to just contact the backplane connector 16, the plugging mechanism (wrench) is used to plug the adapter frame 1 in place, so that the locking mechanism is fastened after the adapter connector 8d is reliably connected with the backplane connector 16.
(3) Board card insertion adapter 1: referring to fig. 4, the card guide 8a aligns the connector on the card 18 with the electrical card connector 8b on the electrical interposer 8 before the card 18 is pushed slightly inward in the direction of the card slot 10, during which the card guide 8a contacts the electrical interposer 8 connector. If the insertion and extraction force is small (the number of pins of the board card connector 8b is small), the small board card 18 is directly pushed in place, so that the connector on the small board card 18 is reliably connected with the board card connector 8b on the electric adapter plate 8, and a locking mechanism is fastened; if the board inserting force is large (the number of pins of the board connector 8b is large), when the small board 18 is pushed to be just contacted with the board connector 8b of the electric adapter board 8, the small board 18 is inserted in place by using a wrench (wrench) of a plugging mechanism, so that the connector on the small board 18 is reliably connected with the board connector 8b on the electric adapter board 8, and a locking screw is fastened.
The insertion process of the adapter 1 and the small board card 18 is as follows, and the extraction process is opposite to the insertion process; if necessary, the small card 18 can be inserted into the adapter rack 1 and then inserted into and removed from the box 14 through the adapter rack 1.
further, the present invention is not limited to the above-mentioned embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements are also considered to be within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (10)
1. A board adapter device comprises an adapter frame (1), wherein at least 1 board fixing area with the same or different area is divided in the adapter frame (1); the panel side of adapter rack (1) respectively is provided with 1 integrated circuit board plug mouth (5), its characterized in that with every integrated circuit board card fixed area corresponding part: the back plate side of the adapter rack (1) is provided with 1 electric adapter plate (8) embedded in the adapter rack (1); the panel side of the electric adapter plate (8) is provided with 1 group of plate card connectors (8b) corresponding to each plate card fixing area, and the back plate side of the electric adapter plate (8) is provided with an adapter plate connector (8 d).
2. The board card adapting device according to claim 1, wherein: the adapter frame (1) comprises an upper fixing frame (9), a lower fixing frame (13) and at least 1 middle fixing frame (11) which are basically parallel, all the middle fixing frames (11) are positioned between the upper fixing frame (9) and the lower fixing frame (13), and all the fixing frames are fixed through a supporting piece (12); the area between the adjacent fixed frame and the supporting piece (12) is a board card fixing area.
3. The board card adapting device according to claim 2, wherein: the bottom of the upper fixing frame (9), the top of the lower fixing frame (13) and the top and the bottom of each middle fixing frame (11) are respectively provided with a board card sliding groove (10); the top of the upper fixing frame (9) and the bottom of the lower fixing frame (13) are both provided with sliding rails (7).
4. a board card adapting device according to claim 3, characterized in that: the width of the board card sliding grooves (10) is matched with the thickness of a board card to be inserted in the corresponding board card fixing area, and the distance between every two adjacent board card sliding grooves (10) is matched with the height of the board card to be inserted; the slide rails (7) are of flange-type structures, the thickness of the slide rails is matched with a corresponding board card needing to be inserted into the back plate, the width of the slide rails is matched with the guide rails (17) of the plug-in box (14), and the space between the two slide rails (7) is matched with the space between the upper guide rail and the lower guide rail (17) corresponding to the plug-in box (14).
5. The board card adapting device according to claim 1, wherein: the panel side of the adapter rack (1) is further provided with a board card support frame (6), and board card fixing openings are formed in the corresponding parts of the board card support frame (6) and each board card plugging opening (5).
6. The board card adapting device according to claim 1, wherein: the panel side of the electric adapter plate (8) corresponds to each plate card fixing area, and 1 group of plate card guiding devices (8a) are respectively arranged; the back plate side of the electric adapter plate (8) is provided with 1 group of adapter plate guiding devices (8 c).
7. The board card adapting device according to claim 6, wherein: and the 1 group of board card guiding devices (8a) and the 1 group of adapter board guiding devices (8c) respectively comprise at least 2 guiding devices.
8. a card adapter according to any of claims 1 to 6, characterized in that: the panel side of the adapter frame (1) is also provided with an adapter frame locking mechanism (2).
9. A card adapter according to any of claims 1 to 6, characterized in that: and the panel side of the adapter frame (1) is provided with a board card locking mechanism (3) at the position corresponding to each board card fixing area.
10. A card adapter according to any of claims 1 to 6, characterized in that: the panel side of the adapter frame (1) is also provided with an adapter frame plugging mechanism (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910645981.8A CN110554746A (en) | 2019-07-17 | 2019-07-17 | board card adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910645981.8A CN110554746A (en) | 2019-07-17 | 2019-07-17 | board card adapter |
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| Publication Number | Publication Date |
|---|---|
| CN110554746A true CN110554746A (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910645981.8A Pending CN110554746A (en) | 2019-07-17 | 2019-07-17 | board card adapter |
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| CN (1) | CN110554746A (en) |
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| CN205266062U (en) * | 2015-12-15 | 2016-05-25 | 深圳市兴森快捷电路科技股份有限公司 | Backplate package assembly of VPX machine case suitable for integrated circuit board is to formula of inserting |
| CN107086385A (en) * | 2017-05-27 | 2017-08-22 | 烽火通信科技股份有限公司 | Possessing prevents the guider for being erroneously inserted function and board |
| CN208047104U (en) * | 2018-04-03 | 2018-11-02 | 烽火通信科技股份有限公司 | Guide assembly, communication subrack and the communication subrack suitable for different size boards |
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Application publication date: 20191210 |