CN109428185B - Backboard connector assembly and sealing assembly for backboard connector - Google Patents
Backboard connector assembly and sealing assembly for backboard connector Download PDFInfo
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- CN109428185B CN109428185B CN201710774717.5A CN201710774717A CN109428185B CN 109428185 B CN109428185 B CN 109428185B CN 201710774717 A CN201710774717 A CN 201710774717A CN 109428185 B CN109428185 B CN 109428185B
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- sealing
- shell
- daughter board
- backplane connector
- assembly
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
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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
- 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
- H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
- H01R12/716—Coupling device provided on the PCB
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
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Abstract
The invention relates to a backplane connector assembly and a sealing assembly for the backplane connector, wherein the backplane connector assembly comprises a backplane connector and a sealing assembly, the sealing assembly comprises a shell, the front end of the shell is provided with a front opening, the bottom of the shell is provided with a lower opening, a backplane sealing structure for realizing the sealing fit of the front end of the shell and a backplane is arranged on the matching surface of the front end of the shell and the backplane, a daughter board sealing structure for sealing fit with a daughter board is arranged on the lower end surface of the shell, and the sealing assembly for the backplane connector further comprises a backplane fixing structure and a daughter board fixing structure for fixing the shell and the backplane, and the shell. In the in-service use process, the casing and daughter board, backplate cooperation surround the backplate connector in a confined space, seal the backplate connector, avoid liquid to get into the backplate connector, produce the influence to the performance of backplate connector, and whole seal assembly's simple structure, it is with low costs, be convenient for promote by a large scale and use.
Description
Technical Field
The invention relates to a backplane connector assembly and a sealing assembly for a backplane connector.
Background
The printed board that sets up in the rack is generally through backplane connector and external equipment communication connection, and current backplane connector is in the in-service use in-process, and backplane connector has generally directly been exposed in the inside environment of rack after having connected backplate and printed board, does not have effectual sealed protection architecture, and this just leads to inside liquid of rack to get into backplane connector easily inside, influences backplane connector's performance, causes backplane connector to become invalid.
Disclosure of Invention
The invention aims to provide a sealing assembly for a backboard connector, which can seal the backboard connector; it is also an object of the invention to provide a backplane connector assembly that is capable of sealing a backplane connector.
In order to achieve the above object, a first technical solution 1 of a sealing assembly for a backplane connector of the present invention is: the sealing assembly for the backboard connector comprises a shell, wherein a front opening for inserting the backboard connector is formed in the front end of the shell, a lower opening for connecting with a corresponding daughter board is formed in the lower end of the backboard connector inserted into the shell, a backboard sealing structure used for preventing liquid from entering the shell from the matching surface of the shell and the backboard in a sealing fit manner is arranged on the matching surface of the front end of the shell and the backboard, a daughter board sealing structure used for preventing liquid from entering the shell from the matching surface of the shell and the daughter board in a sealing fit manner is arranged on the bottom surface of the shell, and the backboard fixing structure and the daughter board fixing structure for fixing the shell and the backboard, the shell and the daughter board are further included.
The sealing assembly for the backplane connector comprises a shell, wherein sealing structures used for being in sealing fit with the daughter board and the backplane are arranged on the fitting surfaces of the shell and the daughter board and the backplane, and in the actual use process, after the backplane connector is connected with the daughter board and the backplane, the shell, the daughter board and the backplane are matched to surround the backplane connector in a closed space, so that the backplane connector is sealed, liquid is prevented from entering the backplane connector and affecting the performance of the backplane connector, the service life of the backplane connector is prolonged, and the whole sealing assembly is simple in structure, low in cost and convenient to popularize and use in a large area.
The first technical scheme 2 of the sealing component for the backplane connector is further improved on the basis of the technical scheme 1: the sealing assembly for the backplane connector further comprises a limiting structure for preventing the backplane connector from moving up and down in the shell after the backplane connector is inserted into the shell.
The first technical scheme 3 of the sealing component for the backplane connector is further improved on the basis of the technical scheme 2: the limiting structure is a limiting plate inserted between the top of the backplane connector and the shell after the backplane connector is inserted into the shell.
The first technical scheme 4 of the sealing component for the backplane connector is further improved on the basis of the technical scheme 1: the daughter board fixing structure comprises a daughter board threaded hole formed in the bottom surface of the shell and a daughter board connecting screw matched with the daughter board threaded hole to fix the daughter board, and the fixing structure is simple and compact.
The first technical scheme 5 of the sealing component for the backplane connector is further improved on the basis of the technical scheme 4: the daughter board sealing structure is located on the inner side of the daughter board threaded hole. Prevent that the liquid in the rack from following daughter board fixed knot structure infiltration casing inside.
The first technical scheme 6 of the sealing component for the backplane connector is further improved on the basis of any one of the technical schemes 1 to 5: the daughter board sealing structure is a daughter board sealing ring
The first technical proposal 7 of the sealing component for the backplane connector is further improved on the basis of the technical proposal 6: and an auxiliary plate sealing ring mounting groove is formed in the bottom surface of the shell, and the auxiliary plate sealing ring is embedded in the auxiliary plate sealing ring mounting groove.
The first technical scheme 8 of the sealing component for the backplane connector is further improved on the basis of the technical scheme 7: the bottom surface of the inside of the shell is provided with a positioning boss extending along the left-right direction, and the position of the positioning boss is arranged outside the shell and corresponds to the front side edge of the sub-plate sealing ring mounting groove. The positioning boss can provide certain installation space for the daughter board sealing ring installation groove when the positioning anti-drop function of the back board connector is realized, so that the daughter board sealing ring installation groove is smoothly arranged on the shell without increasing the wall thickness of the bottom surface.
The first technical proposal 9 of the sealing component for the backboard connector is further improved on the basis of any one of the technical proposals 1-5: the backboard fixing structure comprises a backboard threaded hole formed in the front end face of the shell and a backboard connecting screw matched with the backboard threaded hole to fix the backboard, and the fixing structure is simple and compact.
The first technical proposal 10 of the sealing component for the backplane connector is further improved on the basis of the technical proposal 9: the back plate sealing structure is positioned on the outer side of the back plate threaded hole, and liquid in the cabinet can be prevented from leaking to the outer side of the cabinet along the back plate fixing structure through the structural design.
The first technical proposal 11 of the sealing component for the backplane connector is further improved on the basis of any one of the technical proposals 1 to 5: the back plate sealing structure is a back plate sealing ring embedded on the front end face of the shell.
The first technical proposal 12 of the sealing component for the backplane connector is further improved on the basis of any one of the technical proposals 1 to 5: the sealing assembly for the backplane connector further comprises a sealing cover used for sealing the lower surface of the daughter board so as to prevent liquid from contacting with pins on the back surface of the daughter board, a sealing cover sealing structure used for achieving sealing and matching of the sealing cover and the daughter board is arranged on the matching surface of the sealing cover and the daughter board, and a sealing cover fixing structure used for fixing the sealing cover with the daughter board is further arranged on the sealing cover.
The sealing cover is used for sealing the lower surface of the daughter board, and for a printed board connected with the backplane connector by adopting connection modes such as a fisheye crimping mode and a welding mode, the sealing cover can protect a fisheye crimping hole or a hole seam generated by welding of the printed board, so that liquid is prevented from leaking from the fisheye hole or the welding hole seam to enter the connector and influence the performance of the connector.
The first technical proposal 13 of the sealing component for the backplane connector of the invention is further improved on the basis of the technical proposal 12: the sealing cover fixing structure is a through hole which corresponds to the daughter board threaded hole and is used for the daughter board connecting screw to penetrate through so that the sealing cover is pressed on the daughter board by the daughter board connecting screw. The sealing cover fixing structure and the daughter board fixing structure are matched with each other, so that the fixing structure of the whole device is simple and compact in structure and convenient to use.
The first technical proposal 14 of the sealing component for the backplane connector of the invention is further improved on the basis of the technical proposal 13: the seal cap seal arrangement is located inboard of the perforation. Liquid in the cabinet can be prevented from entering the sealing cover along the through hole.
The first technical proposal 15 of the sealing component for the backplane connector of the invention is further improved on the basis of the technical proposal 12: the sealing cover sealing structure is a sealing cover sealing ring embedded on the matching surface of the sealing cover and the sub-plate.
The first technical proposal 16 of the sealing component for the backplane connector of the invention is further improved on the basis of any one of the technical proposals 1 to 5: the inside of casing is provided with and is used for fixing a position the location arch of anticreep to the backplate connector.
In order to achieve the above object, a second sealing assembly for a backplane connector according to claim 1 is: the sealing assembly for the backboard connector comprises a shell, wherein a front opening for inserting the backboard connector is formed in the front end of the shell, a lower opening for connecting with a corresponding daughter board is formed in the lower end of the backboard connector inserted into the shell, a backboard sealing structure used for preventing liquid from entering the shell from the matching surface of the shell and the backboard in a sealing fit manner is arranged on the matching surface of the front end of the shell and the backboard, a daughter board sealing structure used for preventing liquid from entering the shell from the matching surface of the shell and the daughter board in a sealing fit manner is arranged on the bottom surface of the shell, and the backboard fixing structure and the daughter board fixing structure for fixing the shell and the backboard, the shell and the daughter board are further included.
The sealing assembly for the backplane connector comprises a shell, wherein sealing structures used for being in sealing fit with the daughter board and the backplane are arranged on the fitting surfaces of the shell and the daughter board and the backplane, and in the actual use process, after the backplane connector is connected with the daughter board and the backplane, the shell, the daughter board and the backplane are matched to surround the backplane connector in a closed space, so that the backplane connector is sealed, liquid is prevented from entering the backplane connector and affecting the performance of the backplane connector, the service life of the backplane connector is prolonged, and the whole sealing assembly is simple in structure, low in cost and convenient to popularize and use in a large area.
The second technical scheme 2 of the sealing component for the backplane connector is further improved on the basis of the technical scheme 1: the sealing assembly for the backplane connector further comprises a limiting structure for preventing the backplane connector from moving up and down in the shell after the backplane connector is inserted into the shell.
The second technical proposal 3 of the sealing component for the backboard connector is further improved on the basis of the technical proposal 2: the limiting structure is a limiting plate inserted between the top of the backplane connector and the shell after the backplane connector is inserted into the shell.
The second technical scheme 4 of the sealing component for the backplane connector is further improved on the basis of the technical scheme 1: the daughter board fixing structure comprises a daughter board threaded hole formed in the bottom surface of the shell and a daughter board connecting screw matched with the daughter board threaded hole to fix the daughter board, and the fixing structure is simple and compact.
The second technical proposal 5 of the sealing component for the backboard connector is further improved on the basis of the technical proposal 4: the daughter board sealing structure is located on the inner side of the daughter board threaded hole. Prevent that the liquid in the rack from following daughter board fixed knot structure infiltration casing inside.
The second technical proposal 6 of the sealing component for the backboard connector is further improved on the basis of any one of the technical proposals 1-5: the daughter board sealing structure is a daughter board sealing ring
The second technical proposal 7 of the sealing component for the backplane connector is further improved on the basis of the technical proposal 6: and an auxiliary plate sealing ring mounting groove is formed in the bottom surface of the shell, and the auxiliary plate sealing ring is embedded in the auxiliary plate sealing ring mounting groove.
The second technical proposal 8 of the sealing component for the backplane connector is further improved on the basis of the technical proposal 7: the bottom surface of the inside of the shell is provided with a positioning boss extending along the left-right direction, and the position of the positioning boss is arranged outside the shell and corresponds to the front side edge of the sub-plate sealing ring mounting groove. The positioning boss can provide certain installation space for the daughter board sealing ring installation groove when the positioning anti-drop function of the back board connector is realized, so that the daughter board sealing ring installation groove is smoothly arranged on the shell without increasing the wall thickness of the bottom surface.
The second technical proposal 9 of the sealing component for the backplane connector is further improved on the basis of any one of the technical proposals 1 to 5: the backboard fixing structure comprises a backboard threaded hole formed in the front end face of the shell and a backboard connecting screw matched with the backboard threaded hole to fix the backboard, and the fixing structure is simple and compact.
The second technical proposal 10 of the sealing component for the backplane connector is further improved on the basis of the technical proposal 9: the back plate sealing structure is positioned on the outer side of the back plate threaded hole, and liquid in the cabinet can be prevented from leaking to the outer side of the cabinet along the back plate fixing structure through the structural design.
The second technical proposal 11 of the sealing component for the backplane connector is further improved on the basis of any one of the technical proposals 1 to 5: the back plate sealing structure is a back plate sealing ring embedded on the front end face of the shell.
The second technical proposal 12 of the sealing component for the backplane connector is further improved on the basis of any one of the technical proposals 1 to 5: the inside of casing is provided with and is used for fixing a position the location arch of anticreep to the backplate connector.
In order to achieve the above object, a first technical solution 1 of the backplane connector assembly of the present invention is: backplane connector subassembly, including the backplane connector, still including being used for the sealed seal assembly of backplane connector, seal assembly includes the casing, and the front end of casing is equipped with and supplies backplane connector male front opening, and the bottom of casing is equipped with and supplies the lower extreme that inserts the backplane connector in it to stretch out the under shed of being connected with corresponding daughter board, is provided with on the fitting surface of the front end of casing and backplate to be used for realizing preventing the backplate seal structure in liquid gets into the casing from the fitting surface department of casing and backplate with the sealed cooperation of backplate, is provided with on the bottom surface of casing to be used for preventing the daughter board seal structure in liquid gets into the casing from the fitting surface department of casing and daughter board with the sealed cooperation of daughter board, seal assembly is still including backplate fixed knot constructs and daughter board fixed knot construct and daughter board fixed knot constructs that.
The backplane connector assembly comprises a sealing assembly used for sealing the backplane connector, wherein the sealing assembly comprises a shell, and sealing structures used for being in sealing fit with the daughter board and the backplane are arranged on the matching surfaces of the shell and the daughter board and the backplane.
The first technical scheme 2 of the backplane connector assembly is further improved on the basis of the technical scheme 1: the seal assembly also includes a limit structure that prevents the backplane connector from moving up and down within the housing after the backplane connector is inserted into the housing.
The first technical proposal 3 of the backplane connector assembly of the invention is further improved on the basis of the technical proposal 2: the limiting structure is a limiting plate inserted between the top of the backplane connector and the shell after the backplane connector is inserted into the shell.
The technical scheme 4 of the first backplane connector assembly of the invention is further improved on the basis of the technical scheme 1: the daughter board fixing structure comprises a daughter board threaded hole formed in the bottom surface of the shell and a daughter board connecting screw matched with the daughter board threaded hole to fix the daughter board, and the fixing structure is simple and compact.
The first technical proposal 5 of the backplane connector assembly of the invention is further improved on the basis of the technical proposal 4: the daughter board sealing structure is located on the inner side of the daughter board threaded hole. Prevent that the liquid in the rack from following daughter board fixed knot structure infiltration casing inside.
The first technical proposal 6 of the backplane connector assembly is further improved on the basis of any one of the technical proposals 1 to 5: the daughter board sealing structure is a daughter board sealing ring
The technical proposal 7 of the first backplane connector assembly of the invention is further improved on the basis of the technical proposal 6: and an auxiliary plate sealing ring mounting groove is formed in the bottom surface of the shell, and the auxiliary plate sealing ring is embedded in the auxiliary plate sealing ring mounting groove.
The technical scheme 8 of the first backplane connector assembly of the invention is further improved on the basis of the technical scheme 7: the bottom surface of the inside of the shell is provided with a positioning boss extending along the left-right direction, and the position of the positioning boss is arranged outside the shell and corresponds to the front side edge of the sub-plate sealing ring mounting groove. The positioning boss can provide certain installation space for the daughter board sealing ring installation groove when the positioning anti-drop function of the back board connector is realized, so that the daughter board sealing ring installation groove is smoothly arranged on the shell without increasing the wall thickness of the bottom surface.
The first technical proposal 9 of the backplane connector assembly of the invention is further improved on the basis of any one of the technical proposals 1 to 5: the backboard fixing structure comprises a backboard threaded hole formed in the front end face of the shell and a backboard connecting screw matched with the backboard threaded hole to fix the backboard, and the fixing structure is simple and compact.
The first technical solution 10 of the backplane connector assembly of the present invention is further improved on the basis of the technical solution 9: the back plate sealing structure is positioned on the outer side of the back plate threaded hole, and liquid in the cabinet can be prevented from leaking to the outer side of the cabinet along the back plate fixing structure through the structural design.
The technical scheme 11 of the first backplane connector assembly of the invention is further improved on the basis of any one of the technical schemes 1 to 5: the back plate sealing structure is a back plate sealing ring embedded on the front end face of the shell.
The first technical solution 12 of the backplane connector assembly of the present invention is further improved on the basis of any one of the technical solutions 1 to 5: the sealing assembly further comprises a sealing cover used for sealing the lower surface of the daughter board to prevent liquid from contacting with pins on the back surface of the daughter board, a sealing cover sealing structure used for achieving sealing fit of the sealing cover and the daughter board is arranged on the matching surface of the sealing cover and the daughter board, and a sealing cover fixing structure used for fixing the sealing cover with the daughter board is further arranged on the sealing cover.
The sealing cover is used for sealing the lower surface of the daughter board, and for a printed board connected with the backplane connector by adopting connection modes such as a fisheye crimping mode and a welding mode, the sealing cover can protect a fisheye crimping hole or a hole seam generated by welding of the printed board, so that liquid is prevented from leaking from the fisheye hole or the welding hole seam to enter the connector and influence the performance of the connector.
The first technical solution 13 of the backplane connector assembly of the present invention is further improved on the basis of the technical solution 12: the sealing cover fixing structure is a through hole which corresponds to the daughter board threaded hole and is used for the daughter board connecting screw to penetrate through so that the sealing cover is pressed on the daughter board by the daughter board connecting screw. The sealing cover fixing structure and the daughter board fixing structure are matched with each other, so that the fixing structure of the whole device is simple and compact in structure and convenient to use.
The first technical proposal 14 of the backplane connector assembly of the invention is further improved on the basis of the technical proposal 13: the seal cap seal arrangement is located inboard of the perforation. Liquid in the cabinet can be prevented from entering the sealing cover along the through hole.
The first technical proposal 15 of the backplane connector assembly of the invention is further improved on the basis of the technical proposal 12: the sealing cover sealing structure is a sealing cover sealing ring embedded on the matching surface of the sealing cover and the sub-plate.
In order to achieve the above object, a second backplane connector assembly according to claim 1 is: backplane connector subassembly, including the backplane connector, still including being used for the sealed seal assembly of backplane connector, seal assembly includes the casing, and the front end of casing is equipped with and supplies backplane connector male front opening, and the bottom of casing is equipped with and supplies the lower extreme that inserts the backplane connector in it to stretch out the under shed of being connected with corresponding daughter board, is provided with on the fitting surface of the front end of casing and backplate to be used for realizing preventing the backplate seal structure in liquid gets into the casing from the fitting surface department of casing and backplate with the sealed cooperation of backplate, is provided with on the bottom surface of casing to be used for preventing the daughter board seal structure in liquid gets into the casing from the fitting surface department of casing and daughter board with the sealed cooperation of daughter board, seal assembly is still including backplate fixed knot constructs and daughter board fixed knot construct and daughter board fixed knot constructs that.
The backplane connector assembly comprises a sealing assembly used for sealing the backplane connector, wherein the sealing assembly comprises a shell, and sealing structures used for being in sealing fit with the daughter board and the backplane are arranged on the matching surfaces of the shell and the daughter board and the backplane.
The second technical proposal 2 of the backplane connector assembly of the invention is further improved on the basis of the technical proposal 1: the seal assembly also includes a limit structure that prevents the backplane connector from moving up and down within the housing after the backplane connector is inserted into the housing.
The second technical proposal 3 of the backplane connector assembly is further improved on the basis of the technical proposal 2: the limiting structure is a limiting plate inserted between the top of the backplane connector and the shell after the backplane connector is inserted into the shell.
The second technical proposal 4 of the backplane connector assembly is further improved on the basis of the technical proposal 1: the daughter board fixing structure comprises a daughter board threaded hole formed in the bottom surface of the shell and a daughter board connecting screw matched with the daughter board threaded hole to fix the daughter board, and the fixing structure is simple and compact.
The second technical proposal 5 of the backplane connector assembly of the invention is further improved on the basis of the technical proposal 4: the daughter board sealing structure is located on the inner side of the daughter board threaded hole. Prevent that the liquid in the rack from following daughter board fixed knot structure infiltration casing inside.
The second technical proposal 6 of the backplane connector assembly is further improved on the basis of any one of the technical proposals 1 to 5: the daughter board sealing structure is a daughter board sealing ring
The second technical proposal 7 of the backplane connector assembly of the invention is further improved on the basis of the technical proposal 6: and an auxiliary plate sealing ring mounting groove is formed in the bottom surface of the shell, and the auxiliary plate sealing ring is embedded in the auxiliary plate sealing ring mounting groove.
The second technical proposal 8 of the backplane connector assembly of the invention is further improved on the basis of the technical proposal 7: the bottom surface of the inside of the shell is provided with a positioning boss extending along the left-right direction, and the position of the positioning boss is arranged outside the shell and corresponds to the front side edge of the sub-plate sealing ring mounting groove. The positioning boss can provide certain installation space for the daughter board sealing ring installation groove when the positioning anti-drop function of the back board connector is realized, so that the daughter board sealing ring installation groove is smoothly arranged on the shell without increasing the wall thickness of the bottom surface.
The second technical proposal 9 of the backplane connector assembly is further improved on the basis of any one of the technical proposals 1 to 5: the backboard fixing structure comprises a backboard threaded hole formed in the front end face of the shell and a backboard connecting screw matched with the backboard threaded hole to fix the backboard, and the fixing structure is simple and compact.
The second technical solution 10 of the backplane connector assembly of the present invention is further improved on the basis of the technical solution 9: the back plate sealing structure is positioned on the outer side of the back plate threaded hole, and liquid in the cabinet can be prevented from leaking to the outer side of the cabinet along the back plate fixing structure through the structural design.
The second technical proposal 11 of the backplane connector assembly is further improved on the basis of any one of the technical proposals 1 to 5: the back plate sealing structure is a back plate sealing ring embedded on the front end face of the shell.
The second technical solution 12 of the backplane connector assembly of the present invention is further improved on the basis of any one of the technical solutions 1 to 5: the inside of casing is provided with and is used for fixing a position the location arch of anticreep to the backplate connector.
Drawings
Fig. 1 is an assembly view of a backplane connector assembly of embodiment 1 of the present invention mated with a daughter board;
fig. 2 is a perspective view of a first perspective of a housing in the first embodiment 1 of the backplane connector assembly of the present invention;
fig. 3 is a perspective view of a second perspective of the housing in the first embodiment of the backplane connector assembly 1 according to the present invention;
fig. 4 is a perspective view of a position limiting plate in the first embodiment 1 of the backplane connector assembly of the present invention;
fig. 5 is a perspective view of a sealing boot in embodiment 1 of the first backplane connector assembly of the present invention;
fig. 6 is a schematic diagram of the mating of the backplane connector and the housing in the first embodiment 1 of the backplane connector assembly of the present invention;
fig. 7 is a left side view of the housing, the backplane connector, and the backplane seal ring of the first embodiment of the backplane connector assembly of the present invention after assembly;
fig. 8 is a bottom view of the housing, the backplane connector, and the daughter board seal ring after being assembled according to embodiment 1 of the first backplane connector assembly of the present invention;
fig. 9 is a schematic view of the assembled sealing boot and sealing ring of the sealing boot in embodiment 1 of the first backplane connector assembly according to the present invention;
in the figure: 1. a housing; 11. a convex ring, 12 and a flange; 13. a back plate threaded hole; 14. a back plate sealing ring mounting groove; 15. a back plate sealing ring; 16. a front opening; 17. a lower opening; 18. a sub-plate sealing ring mounting groove; 19. a daughter board seal ring; 110. a daughter board threaded hole; 2. a daughter board; 3. a sealing cover; 31. a seal cover seal ring mounting groove; 32. a sealing cover sealing ring; 33. perforating; 4. a daughter board connection screw; 5. a backplane connector; 6. a limiting plate; 61. a groove; 71. positioning the boss; 72. a positioning groove.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 to 9, a specific embodiment 1 of a backplane connector assembly according to the present invention includes a backplane connector 5 and a sealing assembly for sealing the backplane connector after the backplane connector is connected to a backplane and a daughter board 2, where the sealing assembly includes a rectangular housing 1, a front opening 16 is provided at a front end of the housing 1 for the backplane connector to be inserted into, a lower opening 17 is provided at a bottom of the housing 1 for a lower end of the backplane connector 5 inserted into the housing to extend out and connect to the daughter board 2, the sealing assembly further includes a position-limiting plate 6 inserted between a top of the backplane connector and the housing after the backplane connector is inserted into the housing 1 to prevent the backplane connector from moving up and down in the housing, and a groove 61 extending along a length direction of the position-limiting plate is provided on the position-limiting plate 6 to improve strength of the.
The front end face of the housing 1 is provided with a convex ring 11 extending in the front-back direction for being inserted into and fitted with the mounting hole on the back plate, in this embodiment, the inner hole of the convex ring 11 is the front opening 16, and in other embodiments, the front opening may be smaller than the inner hole of the convex ring. A flange 12 extending downwards is arranged below the front end of the shell, and the flange 12 and the front end surface of the shell jointly form a front end matching surface for connecting the shell and the back plate. The shell 1 is fixedly connected with the back plate through a back plate threaded hole 13 arranged on the front end matching surface and a back plate connecting screw matched with the back plate threaded hole. A back plate sealing ring mounting groove 14 is further arranged on the front end matching surface outside the back plate threaded hole 13, and a back plate sealing ring 15 used for realizing sealing matching between the shell and the back plate and preventing liquid from entering the shell from the matching surface of the shell and the back plate is embedded in the back plate sealing ring mounting groove 14.
The bottom surface of the housing 1 is provided with a plurality of daughter board threaded holes 110 at intervals around the lower opening 17, and the housing 1 is fixedly connected with the daughter board 2 through the daughter board threaded holes and the daughter board connection screws 4 matched with the daughter board threaded holes. A sub-plate sealing ring mounting groove 18 is further formed in the bottom surface of the housing 1 on the inner side of the sub-plate threaded hole 110, and a sub-plate sealing ring 19 for preventing liquid from entering the housing from the matching surface of the housing and the sub-plate is embedded in the sub-plate sealing ring mounting groove 18 and used for realizing sealing matching between the housing and the sub-plate.
The inner bottom surface of the shell 1 is provided with a positioning boss 71 extending along the left-right direction, and the backboard connector is provided with a positioning groove 72 corresponding to the positioning boss. In addition, the front side of daughter board sealing ring mounting groove 18 sets up in the below of location boss 71 for location boss 71 can also provide certain installation space for daughter board sealing ring mounting groove when realizing the location anticreep function to the back panel connector, makes casing 1 set up daughter board sealing ring mounting groove smoothly under the condition that need not to increase the bottom surface wall thickness.
The sealing assembly further comprises a sealing cover 3 used for sealing the lower surface of the sub-board 2 to prevent liquid from contacting with pins on the back surface of the sub-board, and a through hole 33 which corresponds to the sub-board threaded hole 110 and is used for the sub-board connecting screw 4 to penetrate through so as to enable the sealing cover to be pressed on the sub-board by the sub-board connecting screw is arranged on the surface of the sealing cover 3 matched with the sub-board. A sealing cover sealing ring installation groove 31 is further arranged on the inner side of the through hole 33 on the matching surface of the sealing cover 3 and the sub plate 2, and a sealing cover sealing ring 32 used for realizing sealing matching between the sealing cover and the sub plate is embedded in the sealing cover sealing ring installation groove 31.
In the practical use process of the backplane connector assembly, firstly, the backplane connector 5 is inserted into the shell from the front opening 16 of the shell 1, positioning is carried out through the positioning boss 71 arranged in the shell and the positioning groove 72 arranged on the backplane connector, at the moment, the bottom plugging end of the backplane connector extends out of the lower opening 17 of the shell, after the positioning is finished, the limiting plate 6 is inserted, the position of the backplane connector 5 is fixed, then, the lower end of the backplane connector is connected with the daughter board 2, then, the shell is connected with the daughter board and the backplane, and the shell is matched with the daughter board and the backplane to enclose the backplane connector in a closed space, so that the sealing of the backplane connector 5 is realized.
In the structure, the sealing cover 3 used for sealing the lower surface of the daughter board is arranged, and for the printed boards connected with the backplane connector by adopting connection modes such as a fisheye crimping mode and a welding mode, the sealing cover can protect fisheye crimping holes of the printed boards or holes generated by welding, so that liquid is prevented from leaking from the fisheye holes or the welding holes and entering the connector to influence the performance of the connector.
The sealing cover sealing ring 32 is positioned at the inner side of the through hole 33, so that liquid in the cabinet can be prevented from entering the sealing cover 3 along the through hole; the daughter board sealing ring 19 is positioned inside the daughter board threaded hole 110, so as to prevent liquid in the cabinet from entering the interior of the shell along the daughter board connecting screw; the back plate screw hole 13 is arranged on the inner side of the back plate sealing ring 15, and is used for preventing liquid in the cabinet from leaking out of the cabinet along the back plate connecting screw.
The backplane connector may comprise a single type or multiple types, such as data transmission, fiber optic transmission, electrical current transmission, and the like.
According to the backplane connector assembly, the sealing assembly comprising the shell is arranged outside the backplane connector, the sealing structures used for being in sealing fit with the daughter board and the backplane are arranged on the fitting surfaces of the shell and the daughter board and the backplane, and in the actual use process, after the backplane connector is connected with the daughter board and the backplane, the shell, the daughter board and the backplane are matched to surround the backplane connector in a closed space, the backplane connector is sealed, liquid is prevented from entering the backplane connector and affecting the performance of the backplane connector, the service life of the backplane connector is prolonged, the structure of the whole sealing assembly is simple, the cost is low, and large-area popularization and use are facilitated.
Embodiment 7 of a backplane connector assembly of the present invention differs from embodiment 1 in that: the positioning boss is not arranged in the shell, the positioning of the backplane connector is directly realized through the stop matching between the front end face of the backplane connector and the inner wall face of the shell, and then the clamping matching of the backplane connector is realized through the limiting plate.
Embodiment 8 of a backplane connector assembly of the present invention differs from embodiment 1 in that: the positioning boss can be arranged inside the shell instead of above the front side edge of the daughter board sealing ring mounting groove, so long as the positioning anti-dropping function of the back board connector can be realized, and at the moment, the setting condition of the daughter board sealing ring mounting groove can be met by increasing the wall thickness of the bottom surface of the shell.
The second backplane connector assembly of the present invention has a structure substantially the same as that of the first backplane connector assembly, but in this embodiment, the daughter board is connected to the backplane connector in a surface-mount connection manner, so the second backplane connector assembly does not include the sealing cover.
The specific structure of the first embodiment of the sealing assembly for a backplane connector of the present invention is the same as that of the sealing assembly in each embodiment of the first backplane connector assembly, and is not described herein again.
The second embodiment of the sealing assembly for backplane connector according to the present invention has a structure substantially the same as that of the sealing assembly in each embodiment of the first embodiment of the backplane connector, but the sealing assembly does not include a sealing cover when the daughter board is connected to the backplane connector in a surface mount type connection manner.
Claims (30)
1. The sealing assembly for the backboard connector is characterized in that: the sealing assembly for the backboard connector comprises a shell, wherein a front opening for inserting a backboard connector is formed in the front end of the shell, a lower opening for extending the lower end of the backboard connector inserted into the shell to be connected with a corresponding daughter board is formed in the bottom of the shell, a backboard sealing structure used for achieving sealing fit with the backboard and preventing liquid from entering the shell from the fitting surface of the shell and the backboard is arranged on the fitting surface of the front end of the shell and the backboard, a daughter board sealing structure used for achieving sealing fit with the daughter board and preventing liquid from entering the shell from the fitting surface of the shell and the daughter board is arranged on the bottom surface of the shell, and the sealing assembly for the backboard connector further comprises a backboard fixing structure and a daughter board fixing structure used; the sealing assembly for the backplane connector further comprises a sealing cover used for sealing the lower surface of the daughter board so as to prevent liquid from contacting with pins on the back surface of the daughter board, a sealing cover sealing structure used for achieving sealing and matching of the sealing cover and the daughter board is arranged on the matching surface of the sealing cover and the daughter board, and a sealing cover fixing structure used for fixing the sealing cover with the daughter board is further arranged on the sealing cover.
2. The seal assembly for a backplane connector of claim 1, wherein: the sealing assembly for the backplane connector further comprises a limiting structure for preventing the backplane connector from moving up and down in the shell after the backplane connector is inserted into the shell.
3. The seal assembly for a backplane connector of claim 2, wherein: the limiting structure is a limiting plate inserted between the top of the backplane connector and the shell after the backplane connector is inserted into the shell.
4. The seal assembly for a backplane connector of claim 1, wherein: the daughter board fixing structure comprises a daughter board threaded hole formed in the bottom surface of the shell and a daughter board connecting screw matched with the daughter board threaded hole to fix the daughter board.
5. The seal assembly for a backplane connector of claim 4, wherein: the daughter board sealing structure is located on the inner side of the daughter board threaded hole.
6. The seal assembly for a backplane connector according to any one of claims 1 to 5, wherein: the daughter board sealing structure is a daughter board sealing ring.
7. The seal assembly for a backplane connector of claim 6, wherein: and an auxiliary plate sealing ring mounting groove is formed in the bottom surface of the shell, and the auxiliary plate sealing ring is embedded in the auxiliary plate sealing ring mounting groove.
8. The seal assembly for a backplane connector of claim 7, wherein: the bottom surface of the inside of the shell is provided with a positioning boss extending along the left-right direction, and the position of the positioning boss is arranged outside the shell and corresponds to the front side edge of the sub-plate sealing ring mounting groove.
9. The seal assembly for a backplane connector according to any one of claims 1 to 5, wherein: the back plate fixing structure comprises a back plate threaded hole formed in the front end face of the shell and a back plate connecting screw matched with the back plate threaded hole to fix the back plate.
10. The seal assembly for a backplane connector of claim 9, wherein: the back plate sealing structure is positioned on the outer side of the back plate threaded hole.
11. The seal assembly for a backplane connector according to any one of claims 1 to 5, wherein: the back plate sealing structure is a back plate sealing ring embedded on the front end face of the shell.
12. The seal assembly for a backplane connector according to any one of claims 1 to 5, wherein: the sealing cover fixing structure is a through hole which corresponds to the daughter board threaded hole and is used for the daughter board connecting screw to penetrate through so that the sealing cover is pressed on the daughter board by the daughter board connecting screw.
13. The seal assembly for a backplane connector of claim 12, wherein: the seal cap seal arrangement is located inboard of the perforation.
14. The seal assembly for a backplane connector according to any one of claims 1 to 5, wherein: the sealing cover sealing structure is a sealing cover sealing ring embedded on the matching surface of the sealing cover and the sub-plate.
15. The seal assembly for a backplane connector according to any one of claims 1 to 5, wherein: the inside of casing is provided with and is used for fixing a position the location arch of anticreep to the backplate connector.
16. Backboard connector component, including the backboard connector, its characterized in that: the sealing assembly comprises a shell, a front opening for inserting the backplane connector is formed in the front end of the shell, a lower opening for extending the lower end of the backplane connector inserted into the shell to be connected with a corresponding daughter board is formed in the bottom of the shell, a backplane sealing structure for achieving sealing fit with the backplane and preventing liquid from entering the shell from the fitting surface of the shell and the backplane is arranged on the fitting surface of the front end of the shell and the backplane, a daughter board sealing structure for achieving sealing fit with the daughter board and preventing liquid from entering the shell from the fitting surface of the shell and the daughter board is arranged on the bottom surface of the shell, and the sealing assembly further comprises a backplane fixing structure and a daughter board fixing structure for fixing the shell and the backplane, and the shell and the daughter board; the sealing assembly further comprises a sealing cover used for sealing the lower surface of the daughter board to prevent liquid from contacting with pins on the back surface of the daughter board, a sealing cover sealing structure used for achieving sealing fit of the sealing cover and the daughter board is arranged on the matching surface of the sealing cover and the daughter board, and a sealing cover fixing structure used for fixing the sealing cover with the daughter board is further arranged on the sealing cover.
17. The backplane connector assembly of claim 16, wherein: the sealing assembly further comprises a limiting structure for preventing the backplane connector from moving up and down in the shell after the backplane connector is inserted into the shell.
18. The backplane connector assembly of claim 17, wherein: the limiting structure is a limiting plate inserted between the top of the backplane connector and the shell after the backplane connector is inserted into the shell.
19. The backplane connector assembly of claim 16, wherein: the daughter board fixing structure comprises a daughter board threaded hole formed in the bottom surface of the shell and a daughter board connecting screw matched with the daughter board threaded hole to fix the daughter board.
20. The backplane connector assembly of claim 19, wherein: the daughter board sealing structure is located on the inner side of the daughter board threaded hole.
21. The backplane connector assembly of any of claims 16-20, wherein: the daughter board sealing structure is a daughter board sealing ring.
22. The backplane connector assembly of claim 21, wherein: and an auxiliary plate sealing ring mounting groove is formed in the bottom surface of the shell, and the auxiliary plate sealing ring is embedded in the auxiliary plate sealing ring mounting groove.
23. The backplane connector assembly of claim 22, wherein: the bottom surface of the inside of the shell is provided with a positioning boss extending along the left-right direction, and the position of the positioning boss is arranged outside the shell and corresponds to the front side edge of the sub-plate sealing ring mounting groove.
24. The backplane connector assembly of any of claims 16-20, wherein: the back plate fixing structure comprises a back plate threaded hole formed in the front end face of the shell and a back plate connecting screw matched with the back plate threaded hole to fix the back plate.
25. The backplane connector assembly of claim 24, wherein: the back plate sealing structure is positioned on the outer side of the back plate threaded hole.
26. The backplane connector assembly of any of claims 16-20, wherein: the back plate sealing structure is a back plate sealing ring embedded on the front end face of the shell.
27. The backplane connector assembly of any of claims 16-20, wherein: the sealing cover fixing structure is a through hole which corresponds to the daughter board threaded hole and is used for the daughter board connecting screw to penetrate through so that the sealing cover is pressed on the daughter board by the daughter board connecting screw.
28. The backplane connector assembly of claim 27, wherein: the seal cap seal arrangement is located inboard of the perforation.
29. The backplane connector assembly of any of claims 16-20, wherein: the sealing cover sealing structure is a sealing cover sealing ring embedded on the matching surface of the sealing cover and the sub-plate.
30. The backplane connector assembly of any of claims 16-20, wherein: the inside of casing is provided with and is used for fixing a position the location arch of anticreep to the backplate connector.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710774717.5A CN109428185B (en) | 2017-08-31 | 2017-08-31 | Backboard connector assembly and sealing assembly for backboard connector |
| CN202110192471.7A CN112821129B (en) | 2017-08-31 | 2017-08-31 | Backboard connector assembly and sealing assembly for backboard connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710774717.5A CN109428185B (en) | 2017-08-31 | 2017-08-31 | Backboard connector assembly and sealing assembly for backboard connector |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110192471.7A Division CN112821129B (en) | 2017-08-31 | 2017-08-31 | Backboard connector assembly and sealing assembly for backboard connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109428185A CN109428185A (en) | 2019-03-05 |
| CN109428185B true CN109428185B (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710774717.5A Active CN109428185B (en) | 2017-08-31 | 2017-08-31 | Backboard connector assembly and sealing assembly for backboard connector |
| CN202110192471.7A Active CN112821129B (en) | 2017-08-31 | 2017-08-31 | Backboard connector assembly and sealing assembly for backboard connector |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110192471.7A Active CN112821129B (en) | 2017-08-31 | 2017-08-31 | Backboard connector assembly and sealing assembly for backboard connector |
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| CN (2) | CN109428185B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109428185B (en) * | 2017-08-31 | 2021-02-05 | 中航光电科技股份有限公司 | Backboard connector assembly and sealing assembly for backboard connector |
| CN110492276B (en) * | 2019-07-22 | 2021-03-23 | 中航光电科技股份有限公司 | Printed board connector shell, printed board connector and printed board assembly |
| CN113113813A (en) * | 2021-04-15 | 2021-07-13 | 江苏益鑫通精密电子有限公司 | Backboard connector and backboard assembly thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN112821129B (en) | 2022-03-11 |
| CN109428185A (en) | 2019-03-05 |
| CN112821129A (en) | 2021-05-18 |
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