CN117528989B - Double-cover shielding type electronic device convenient to assemble - Google Patents
Double-cover shielding type electronic device convenient to assemble Download PDFInfo
- Publication number
- CN117528989B CN117528989B CN202410009899.7A CN202410009899A CN117528989B CN 117528989 B CN117528989 B CN 117528989B CN 202410009899 A CN202410009899 A CN 202410009899A CN 117528989 B CN117528989 B CN 117528989B
- Authority
- CN
- China
- Prior art keywords
- annular
- cover plate
- shell
- circuit board
- plate
- 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.)
- Active
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 18
- 238000005192 partition Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 10
- 238000007906 compression Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
-
- 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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
-
- 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
- H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0004—Casings, cabinets or drawers for electric apparatus comprising several parts forming a closed casing
- H05K5/0008—Casings, cabinets or drawers for electric apparatus comprising several parts forming a closed casing assembled by screws
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/03—Covers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/02—Arrangements of circuit components or wiring on supporting structure
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0064—Earth or grounding circuit
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The invention discloses a double-cover type shielding electronic device convenient to assemble, which belongs to the technical field of production of shielding electronic devices and comprises a shell, a flat plate-shaped cover plate and a deep cavity-shaped cover plate, wherein two ends of the shell are opened, a first annular boss is arranged at the peripheral edge of one side of the flat plate-shaped cover plate, a first annular groove is arranged on the peripheral surface of the first annular boss, a first annular conductive gasket is arranged in the first annular groove, the first annular boss is arranged in one end of the shell, a second annular boss is arranged at the other end of the shell, a second annular groove is arranged on the peripheral surface of the second annular boss, a second annular conductive gasket is arranged in the second annular groove, and the second annular boss is arranged in the opening end of the deep cavity-shaped cover plate. The invention has convenient operation, is simple and efficient in assembly, can ensure that the conductive contact among the flat cover plate, the shell and the deep cavity cover plate is always in a good state, ensures that the electromagnetic shielding performance is not affected, and meets the application requirement of higher requirement on grounding performance.
Description
Technical Field
The invention belongs to the technical field of production of shielding type electronic devices, and particularly relates to a double-cover shielding type electronic device convenient to assemble.
Background
The shielded electronic devices are widely used in electronic equipment, such as filters, capacitors, sensors, various test instruments, etc., and all the electronic devices are required to have an important performance index, namely, a good electromagnetic shielding function.
As shown in fig. 1, the main structure of the mainstream conventional shielded electronic device includes a conventional housing 7 and a conventional flat cover plate 4, wherein electrical components (inductance, capacitance, resistance, printed circuit board, etc., not shown in fig. 1) are provided in the conventional housing 7, one end of the conventional housing 7 is opened and the conventional flat cover plate 4 is mounted at the opened end, and one or more (a plurality of) conventional external electrical connectors 1 are mounted on the outer side of the conventional flat cover plate 4; when the conventional flat cover plate 4 is connected to the conventional housing 7, a compressed conductive rubber ring (not visible in fig. 1, refer to the mounting manner of the conventional conductive pad 3 described below) is placed between the boss of the conventional flat cover plate 4 and the annular groove of the open end of the conventional housing 7, and then locked with a screw; when the conventional external electric connector 1 is connected with the conventional flat cover plate 4, the planar conventional conductive gasket 3 is placed in the sink 5 on the conventional flat cover plate 4, one end of the conventional external electric connector 1 passes through the through hole 6 on the bottom of the sink 5, and then the conventional flange 2 of the conventional external electric connector 1 is locked with the conventional flat cover plate 4 by using screws. The conductive rubber ring and the conventional conductive gasket 3 are conventional products in the prior art, the conductive rubber ring is of a closed annular structure and can be in the shape of a circular ring or a square ring, and the conventional conductive gasket 3 is provided with a central through hole, and is formed by combining compressible rubber and conductive metal through related processes, so that the conductive gasket has two functions of conductivity and compressibility, and the compressible height is 20% -30%.
The above-mentioned conventional shielded electronic device has the following drawbacks: firstly, the electrical components in the traditional shell 7 need to be assembled in a deep cavity of the traditional shell 7, the operation is difficult, time and labor are wasted, the efficiency is low, after the welding operation such as wiring is performed in the traditional shell 7, surplus welding materials are easily left, and poor quality accidents such as insulation, pressure resistance reduction and short circuit occur in the using process of the device; secondly, the traditional flat cover plate 4 and the traditional shell 7 are electrically connected through the conductive rubber ring, the traditional external electric connector 1 and the traditional flat cover plate 4 are electrically connected through the traditional conductive gasket 3, the compression directions of the conductive rubber ring and the traditional conductive gasket 3 are the same as the axial direction of the locking screw, when the service time of an electronic device is long or after the electronic device is used for a period of time in a vibration environment, the locking screw is possibly loosened, at the moment, the compression amount of the conductive rubber ring and/or the traditional conductive gasket 3 in the compression direction of the electronic device is reduced, on one hand, the electromagnetic shielding performance is reduced, on the other hand, the lap joint resistance (namely the on resistance) is obviously increased, so that the lap joint resistance between the traditional flat cover plate 4 and the traditional shell 7 and the traditional flange plate 2 (the traditional flange 2 and the shell of the traditional external electric connector 1 are integrally formed) on the traditional flat cover plate 4 is increased, when the grounding performance of the electronic device is required to be higher, the grounding performance is reduced, safety accidents can be possibly caused, and the larger lap joint resistance can also generate local heating problems.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide a double-cap type shielding electronic device which is easy to assemble.
The invention realizes the above purpose through the following technical scheme:
the utility model provides a double-cover type shielding electronic device convenient to equipment, includes shell and apron, the both ends of shell all open-ended, the apron includes a dull and stereotyped shape apron and one have dark chamber and one end open-ended dark chamber shape apron, one side peripheral reason of dull and stereotyped shape apron is equipped with the first annular boss of evagination, the peripheral surface of first annular boss is equipped with first annular groove, install first annular conductive liner in the first annular groove, first annular boss is arranged in the one end of shell just first annular conductive liner respectively with the tank bottom of first annular groove with the one end inner wall in close contact with of shell, a plurality of first connecting screw respectively pass behind a plurality of corresponding through-holes on the shell with a plurality of corresponding screw on the first annular boss are connected, the other end of shell is equipped with the second annular boss of evagination, the peripheral surface of second annular boss is equipped with the second annular groove, install the second annular conductive liner in the second annular boss is arranged in the inner wall of first annular groove the inner wall of chamber shape apron and the second annular liner corresponds behind a plurality of second annular screw bottom and the second annular boss and the second inner wall of corresponding through-hole shape on the second annular boss and the inner wall of second annular boss and the second end of opening close contact with a plurality of screw.
Preferably, in order to realize an external electrical connection function and realize reliable conductive connection between the external electrical connector and the flat plate-shaped cover plate, one or more external electrical connectors are mounted on the flat plate-shaped cover plate, one side surface of the flat plate-shaped cover plate, which is far away from the shell, is provided with one or more convex third annular bosses, a planar conductive liner is mounted in an inner cavity of the third annular boss, the shell of the external electrical connector is provided with a flange plate protruding towards the peripheral direction, the peripheral surface of the flange plate is provided with a third annular groove, a third annular conductive liner is mounted in the third annular groove, the flange plate of the external electrical connector is placed in the inner cavity of the corresponding third annular boss and is respectively in close contact with the bottom of the third annular groove and the inner wall of the third annular boss, one end of the external electrical connector passes through a central through hole on the planar conductive liner and a corresponding through hole on the flat plate-shaped cover plate, and a plurality of third connecting screws respectively pass through corresponding through holes on the flange plate and the corresponding flat plate-shaped cover plate.
Preferably, in order to realize reliable positioning and installation of the circuit boards and respectively arrange the circuit boards in the inner cavity of the shell and the inner cavity of the deep cavity cover plate after external assembly, the double-cover shielding electronic device convenient to assemble further comprises two first circuit boards and two second circuit boards which are mutually parallel, wherein the first circuit boards are mutually perpendicular to the second circuit boards and are mutually parallel to the flat plate-shaped cover plate, one side of the flat plate-shaped cover plate, which is close to the shell, is provided with a plurality of first connecting columns, a plurality of fourth connecting screws respectively pass through a first corresponding through hole on the first circuit board, a plurality of central through holes of limiting sleeves, a second corresponding through holes on the first circuit board and then are connected with a plurality of screw holes on the first connecting columns, the two first circuit boards are all arranged in the shell, one end of the shell, which is close to the deep cavity-shaped cover plate, is provided with a plurality of second connecting columns, a plurality of fifth connecting screws respectively pass through corresponding mounting pieces on the circuit boards and then pass through corresponding mounting pieces on the circuit boards and are respectively arranged on the second circuit boards and the second circuit boards.
Preferably, in order to perform reliable electromagnetic shielding between two second circuit boards to meet more application requirements, the two second annular bosses and the two second annular conductive gaskets are respectively arranged in the second annular grooves of the two second annular bosses, the two circuit board mounting pieces are respectively arranged in the two second annular bosses, the two second circuit boards are respectively arranged on the two circuit board mounting pieces, a partition plate is arranged in the deep cavity-shaped cover plate and divides the inner cavity of the deep cavity-shaped cover plate into two subchambers, one of the circuit board mounting pieces and the second circuit board on the circuit board mounting piece are positioned in one subchamber, the other circuit board mounting piece and the second circuit board on the circuit board mounting piece are positioned in the other subchamber, the partition plate is positioned between the two second annular bosses, and each second annular conductive gasket is respectively in close contact with the corresponding inner wall of the groove bottom of the second annular groove and the corresponding partition plate and the deep side wall of the corresponding opening of the deep cavity-shaped cover plate.
Preferably, for quick and reliable positioning and mounting of the second circuit board, the circuit board mounting member comprises a first connecting rod and a second connecting rod, the two first connecting rods are parallel to each other and one end of each first connecting rod is connected through the second connecting rod, the fifth connecting screw penetrates through corresponding through holes in the corresponding second connecting rods and then is connected with corresponding screw holes in the second connecting columns, the first connecting rod is provided with a U-shaped groove, two side edges of each second circuit board are respectively arranged in corresponding two U-shaped grooves of the first connecting rod, and wedge-shaped locking strips are respectively mounted at positions, close to the two side edges, on the second circuit board and are in locking connection with two side groove walls of the corresponding U-shaped groove through the wedge-shaped locking strips.
The invention has the beneficial effects that:
the invention adopts the shell with two open ends, and the two ends of the shell are respectively connected with the flat plate-shaped cover plate and the deep cavity-shaped cover plate, so that part of electric elements can be firstly installed on the flat plate-shaped cover plate and then placed in the inner cavity of the shell, and the other part of electric elements are firstly installed at one end of the shell and then placed in the deep cavity-shaped cover plate, thus realizing the function of firstly assembling the electric elements outside and then placing the electric elements in the corresponding inner cavity, having convenient operation, simplicity and high efficiency and being capable of avoiding the problem of hidden quality hazards caused by solder and the like remained in the shell and the deep cavity-shaped cover plate; by arranging annular bosses on one side of the flat plate cover plate and one end of the shell, which is close to the deep cavity cover plate, respectively, arranging annular grooves on the annular bosses, and arranging annular conductive gaskets in the annular grooves, the annular conductive gaskets between the flat plate cover plate and the shell are extruded by the inner wall of the shell, the annular conductive gaskets between the shell and the deep cavity cover plate are extruded by the inner wall of the deep cavity cover plate, and the inner cavity sizes of the shell and the deep cavity cover plate cannot be changed due to the closed structure, so that even if the flat plate cover plate is used in a vibration environment or used for a long time, the corresponding connecting screws are loosened, the compression amount of the annular conductive gaskets is small, even if the compression amount of one side is reduced, the compression amount of the other side opposite to the flat plate cover plate is not reduced, and even the compression amount of the other side opposite to the flat plate cover plate is not increased, so that the conductive contact between the flat plate cover plate and the shell and the deep cavity cover plate is always in a good state, on one hand, the electromagnetic shielding performance is not influenced, and the lap joint resistance of the flat plate is not increased, and the application requirement with high grounding performance is met; the connection structure between the external electric connector and the flat cover plate also adopts a similar structure to ensure that the conductive contact between the external electric connector and the shell is always in a good state, and ensure that the whole electronic device such as a filter has enough electromagnetic shielding performance and enough low overlap resistance and can reliably work for a long time.
Drawings
Fig. 1 is a perspective view of a conventional shielded electronic device before assembly;
FIG. 2 is a perspective view of a fully assembled double-cap shielded electronic device of the present invention;
FIG. 3 is a perspective view of a portion of an assembled double-cap shielded electronic device of the present invention;
FIG. 4 is a perspective view of an external electrical connector, a flat cover plate and two first circuit boards of a double-cover shielded electronic device of the present invention prior to assembly;
fig. 5 is a perspective view of a housing, a circuit board mount and two second circuit boards of a double-cap shielded electronic device of the present invention, which is convenient to assemble, prior to assembly;
fig. 6 is a perspective view of a deep cavity cover plate of a dual-cap shielded electronic device of the present invention for easy assembly.
In the figure, 1-traditional external electric connector, 2-traditional flange, 3-traditional conductive gasket, 4-traditional flat cover plate, 5-countersink, 6-through hole, 7-traditional shell, 8-external electric connector, 9-flange, 10-third annular boss, 11-flat cover plate, 12-shell, 13-deep cavity cover plate, 14-first annular boss, 15-first annular conductive gasket, 16-limit sleeve, 17-fourth connecting screw, 18-first circuit board, 19-second annular boss, 20-second annular conductive gasket, 21-first connecting rod, 22-second circuit board, 23-wedge locking strip, 24-third annular groove, 25-third annular conductive gasket, 26-plane conductive gasket, 27-first annular groove, 28-second annular groove, 29-second connecting post, 30-second connecting rod, 31-partition.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 2 to 6, the double-cap type shielding electronic device for easy assembly of the present invention comprises a case 12 and a cap plate, both ends of the case 12 being opened, the cap plate comprising a flat plate-shaped cap plate 11 and a deep cavity-shaped cap plate 13 having a deep cavity and having one end opened, one side peripheral edge of the flat plate-shaped cap plate 11 being provided with a first annular boss 14 protruding outward, an outer peripheral surface of the first annular boss 14 being provided with a first annular groove 27, a first annular conductive pad 15 being installed in the first annular groove 27, the first annular boss 14 being placed in one end of the case 12 and the first annular conductive pad 15 being in close contact with a groove bottom of the first annular groove 27 and an inner wall of one end of the case 12, respectively, a plurality of first connecting screws (not marked in the figure) respectively pass through a plurality of corresponding through holes (not marked in the figure) on the shell 12 and then are connected with a plurality of corresponding screw holes (not marked in the figure) on the first annular boss 14, the other end of the shell 12 is provided with a convex second annular boss 19, the outer peripheral surface of the second annular boss 19 is provided with a second annular groove 28, a second annular conductive gasket 20 is arranged in the second annular groove 28, the second annular boss 19 is arranged in the open end of the deep cavity cover plate 13, the second annular conductive gasket 20 is respectively in close contact with the bottom of the second annular groove 28 and the inner wall of the open end of the deep cavity cover plate 13, and a plurality of second connecting screws (not marked in the figure) respectively pass through a plurality of corresponding through holes (not marked in the figure) on the deep cavity cover plate 13 and then are connected with a plurality of corresponding screw holes (not marked in the figure) on the second annular boss 19.
As shown in fig. 2-6, the present invention also discloses a number of more optimal specific structures:
in order to realize the external electric connection function and realize reliable electric connection between the external electric connector 8 and the flat plate-shaped cover plate 11, one or more external electric connectors 8 are installed on the flat plate-shaped cover plate 11, one side surface of the flat plate-shaped cover plate 11, which is far away from the shell 12, is provided with one or more convex third annular bosses 10, a planar electric conducting gasket 26 is installed in the inner cavity of the third annular boss 10, the shell of the external electric connector 8 is provided with a flange 9 protruding towards the peripheral direction, the outer peripheral surface of the flange 9 is provided with a third annular groove 24, a third annular electric conducting gasket 25 is installed in the third annular groove 24, the flange 9 of the external electric connector 8 is placed in the inner cavity of the corresponding third annular boss 10, the third annular electric conducting gasket 25 is respectively in close contact with the bottom of the third annular groove 24 and the inner wall of the third annular boss 10, one end of the external electric connector 8 passes through a central through hole on the planar electric conducting gasket 26 and a corresponding through hole on the flat plate-shaped cover plate 11, and a plurality of third connecting screws (not marked in the figure) respectively pass through corresponding through holes on the flange 9 and are respectively connected with a plurality of corresponding screw holes on the flat plate-shaped cover plates 11.
In order to realize reliable positioning and mounting of the circuit boards and to place the circuit boards in the inner cavity of the housing 12 and the inner cavity of the deep cavity cover 13 respectively after external assembly, the double-cover type shielding electronic device convenient for assembly further comprises two first circuit boards 18 parallel to each other and two second circuit boards 22 parallel to each other, the first circuit boards 18 are perpendicular to the second circuit boards 22 and parallel to the flat plate cover 11, a plurality of first connecting posts (not visible in the figure) are arranged on one side of the flat plate cover 11 close to the housing 12, refer to the following second connecting posts 29), the fourth connecting screws 17 (long screws) respectively pass through the corresponding through holes on the first circuit board 18, the central through holes of the limiting sleeves 16 and the corresponding through holes on the second first circuit board 18 in sequence and then are connected with the screw holes on the first connecting columns, the two first circuit boards 18 are arranged in the shell 12, a plurality of second connecting columns 29 are arranged at one end of the shell 12 close to the deep cavity cover plate 13, and the fifth connecting screws (not marked in the figure) respectively pass through the corresponding through holes on the circuit board mounting parts (formed by connecting two first connecting rods 21 and two second connecting rods 30 in the following description) and then are connected with the screw holes on the second connecting columns 29, the two second circuit boards 22 are respectively mounted on the circuit board mounting parts, and the circuit board mounting parts and the two second circuit boards 22 are all arranged in the deep cavity cover plate 13.
In order to perform reliable electromagnetic shielding between the two second circuit boards 22 to meet more application requirements, the two second annular bosses 19 and the two second annular conductive gaskets 20 are two, the two second annular conductive gaskets 20 are respectively arranged in the second annular grooves 28 of the two second annular bosses 19, the two circuit board mounting pieces are two and one ends of the two circuit board mounting pieces are respectively arranged in the two second annular bosses 19, the two second circuit boards 22 are respectively arranged on the two circuit board mounting pieces, a partition plate 31 is arranged in the deep cavity cover plate 13, the partition plate 31 divides the inner cavity of the deep cavity cover plate 13 into two subchambers (not marked in the figure), one of the circuit board mounting pieces and the second circuit board 22 on the circuit board mounting piece are arranged in one subchamber, the other circuit board mounting piece and the second circuit board 22 on the circuit board mounting piece are arranged in the other subchamber, the partition plate 31 is arranged between the two second annular bosses 19, and each second annular conductive gasket 20 is respectively in close contact with the corresponding opening ends of the bottom of the groove and the deep cavity cover plate 13 and the corresponding side wall 31.
For quick and reliable positioning and mounting of the second circuit board 22, the circuit board mounting member includes a first connecting rod 21 and a second connecting rod 30, the two first connecting rods 21 are parallel to each other and one end of each first connecting rod is connected through the second connecting rod 30, the fifth connecting screw is connected with the screw hole on the corresponding second connecting post 29 after passing through the corresponding through hole on the corresponding second connecting rod 30, the first connecting rod 21 is provided with a "U" shaped slot (not labeled in the figure), two sides of each second circuit board 22 are respectively placed in the "U" shaped slots of the corresponding two first connecting rods 21, and the positions, close to the two sides, on the second circuit board 22 are respectively provided with a wedge-shaped locking strip 23 and are in locking connection with two side slot walls of the corresponding "U" shaped slot through the wedge-shaped locking strip 23.
As shown in fig. 2-6, during assembly, the external electric connector 8 and the two first circuit boards 18 are firstly mounted on the flat cover plate 11, and in the mounting process, the electric connection between the external electric connector 8 and the two first circuit boards 18 is well connected through wires or connectors; then, two first circuit boards 18 are placed in the shell 12, and the flat cover plate 11 and the shell 12 are locked through screws; then two circuit board mounting pieces are mounted at the other end of the shell 12 through screws, and then two second circuit boards 22 are respectively inserted into U-shaped grooves of two first connecting rods 21 of the two circuit board mounting pieces and locked through wedge-shaped locking strips 23, and in the process, the plug-in connector on one first circuit board 18 is connected with the plug-in connector on the two second circuit boards 22; finally, the circuit board mounting piece and the two second circuit boards 22 are respectively arranged in the two subchambers of the deep cavity cover plate 13 and locked by screws, thus the whole double-cover type shielding electronic device is assembled; the assembly of each electrical component assembly is completed outside the inner cavities of the shell 12 and the deep cavity cover plate 13, so that the operation is more convenient, and the assembly efficiency is higher.
In the use process of the assembled double-cover type shielding electronic device, if the connecting screw loosens due to vibration or long-term use, the sizes of the inner cavities of the shell 12 and the deep cavity cover plate 13 and the inner cavity of the third annular boss 10 cannot be changed due to the closed structure, so that the compression amount of the corresponding first annular conductive gasket 15, second annular conductive gasket 20 and third annular conductive gasket 25 is also small, even if the compression amount of one side is reduced, the compression amount of the other opposite side is not reduced or even increased, the conductive contact between the flat plate cover plate 11 and the shell 12, between the shell 12 and the deep cavity cover plate 13 and between the external electric connector 8 and the flat plate cover plate 11 can be always in a good state, on one hand, the electromagnetic shielding performance is not influenced, and on the other hand, the lap joint resistance is not increased, and the application requirement with high grounding performance requirement is met.
The above embodiments are only preferred embodiments of the present invention, and are not limiting to the technical solutions of the present invention, and any technical solution that can be implemented on the basis of the above embodiments without inventive effort should be considered as falling within the scope of protection of the patent claims of the present invention.
Claims (4)
1. The utility model provides a double-cover formula shielding electronic device convenient to equipment, includes shell and apron, its characterized in that: the cover plate comprises a flat plate-shaped cover plate and a deep cavity-shaped cover plate with a deep cavity and an opening at one end, wherein an outer peripheral edge of one side of the flat plate-shaped cover plate is provided with a convex first annular boss, the outer peripheral surface of the first annular boss is provided with a first annular groove, a first annular conductive gasket is arranged in the first annular groove, the first annular boss is arranged in one end of the shell, the first annular conductive gasket is respectively in close contact with the bottom of the first annular groove and the inner wall of one end of the shell, a plurality of first connecting screws respectively penetrate through a plurality of corresponding through holes in the shell and then are connected with a plurality of corresponding screw holes in the first annular boss, the other end of the shell is provided with a convex second annular boss, the outer peripheral surface of the second annular boss is provided with a second annular groove, a second annular conductive gasket is arranged in the first annular groove, the first annular boss is arranged in the opening end of the shell, the second annular gasket is respectively in close contact with the bottom of the first annular groove and the inner wall of the first annular groove, and a plurality of corresponding screw holes are respectively connected with a plurality of corresponding screw holes in close contact with the deep cavity-shaped cover plate through the corresponding through holes in the second annular boss; one or more external electric connectors are installed on the flat plate-shaped cover plate, one side surface of the flat plate-shaped cover plate, which is far away from the shell, is provided with one or more convex third annular bosses, planar conductive gaskets are installed in the inner cavity of each third annular boss, the shell of each external electric connector is provided with a flange plate protruding towards the peripheral direction, the peripheral surface of each flange plate is provided with a third annular groove, each third annular groove is internally provided with a third annular conductive gasket, the flange plate of each external electric connector is placed in the corresponding inner cavity of each third annular boss, each third annular conductive gasket is respectively in close contact with the bottom of each third annular groove and the inner wall of each third annular boss, one end of each external electric connector penetrates through a central through hole in each planar conductive gasket and a corresponding through hole in the flat plate-shaped cover plate, and a plurality of third connecting screws respectively penetrate through the corresponding through holes in each flange plate and are correspondingly connected with a plurality of screw holes in the flat plate-shaped cover plate.
2. The conveniently assembled double-capped shielded electronic device of claim 1, wherein: the double-cover type shielding electronic device convenient to assemble further comprises two first circuit boards which are parallel to each other and two second circuit boards which are parallel to each other, wherein the first circuit boards are perpendicular to the second circuit boards and are parallel to the flat-plate-shaped cover plate, a plurality of first connecting columns are arranged on one side, close to the shell, of the flat-plate-shaped cover plate, a plurality of fourth connecting screws respectively penetrate through the first circuit boards in sequence, a plurality of corresponding through holes in the first circuit boards, central through holes of a plurality of limiting sleeves and the second circuit boards are connected with a plurality of screw holes in the first connecting columns after the corresponding through holes in the first circuit boards are formed, the two first circuit boards are arranged in the shell, a plurality of second connecting columns are arranged at one end, close to the deep cavity-shaped cover plate, of the shell, a plurality of fifth connecting screws respectively penetrate through the corresponding through holes in the circuit board mounting piece and then are connected with a plurality of screw holes in the second connecting columns, the two second circuit boards are respectively mounted on the circuit board mounting piece, and the two circuit boards are arranged in the deep cavity-shaped cover plate.
3. The conveniently assembled double-capped shielded electronic device of claim 2, wherein: the two second annular bosses and the two second annular conductive gaskets are respectively arranged in the two second annular grooves of the second annular bosses, the two circuit board mounting parts are respectively arranged in the two second annular bosses, the two second circuit boards are respectively arranged on the two circuit board mounting parts, a partition plate is arranged in the deep cavity cover plate and divides the inner cavity of the deep cavity cover plate into two subchambers, one circuit board mounting part and the second circuit board on the circuit board mounting part are arranged in one subchamber, the other circuit board mounting part and the second circuit board on the circuit board mounting part are arranged in the other subchamber, the partition plate is arranged between the two second annular bosses, and each second annular conductive gasket is respectively in close contact with the corresponding groove bottom of the second annular grooves, the corresponding opening end of the deep cavity cover plate and the corresponding side wall of the partition plate.
4. The conveniently assembled double-capped shielded electronic device of claim 2, wherein: the circuit board mounting piece comprises a first connecting rod and a second connecting rod, the two first connecting rods are parallel to each other, one ends of the two first connecting rods are connected through the second connecting rods, fifth connecting screws respectively penetrate through corresponding through holes in the second connecting rods and then are connected with corresponding screw holes in the second connecting columns, the first connecting rods are provided with U-shaped grooves, two sides of each second circuit board are respectively arranged in the corresponding two U-shaped grooves of the first connecting rods, and wedge-shaped locking strips are respectively arranged at positions, close to the two sides, of the second circuit board and are in locking connection with two side groove walls of the corresponding U-shaped grooves through the wedge-shaped locking strips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410009899.7A CN117528989B (en) | 2024-01-04 | 2024-01-04 | Double-cover shielding type electronic device convenient to assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410009899.7A CN117528989B (en) | 2024-01-04 | 2024-01-04 | Double-cover shielding type electronic device convenient to assemble |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117528989A CN117528989A (en) | 2024-02-06 |
| CN117528989B true CN117528989B (en) | 2024-03-29 |
Family
ID=89742316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410009899.7A Active CN117528989B (en) | 2024-01-04 | 2024-01-04 | Double-cover shielding type electronic device convenient to assemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117528989B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM332365U (en) * | 2007-11-19 | 2008-05-11 | Universal Scient Ind Co Ltd | Multiple-cavity electromagnetic shielding apparatus |
| CN201725985U (en) * | 2010-03-23 | 2011-01-26 | 贵州航天电器股份有限公司 | Strong electromagnetic interference resistant socket |
| CN103311728A (en) * | 2013-05-15 | 2013-09-18 | 西安电子工程研究所 | Floating rectangular electric connector |
| DE202018103164U1 (en) * | 2018-06-06 | 2019-09-09 | Sma Solar Technology Ag | Electrical or electronic device comprising a housing with two electromagnetically shielded areas |
| CN111712069A (en) * | 2020-03-24 | 2020-09-25 | 西安航天自动化股份有限公司 | Airborne equipment protection device |
| CN112601408A (en) * | 2020-12-25 | 2021-04-02 | 珠海格力电器股份有限公司 | Electrical apparatus box, controller and ECAS pneumatic system |
| CN215734257U (en) * | 2021-10-14 | 2022-02-01 | 南京熊猫汉达科技有限公司 | Novel communication radio station structure |
| CN217694065U (en) * | 2022-06-23 | 2022-10-28 | 武汉泓承科技有限公司 | Shielding waterproof cable joint |
| CN217848558U (en) * | 2022-06-29 | 2022-11-18 | 成都宏明电子股份有限公司 | Connection structure between electric connector and panel based on collar positioning |
| CN115864050A (en) * | 2022-12-06 | 2023-03-28 | 北京计算机技术及应用研究所 | Self-loosening electric connector gasket |
| CN219352254U (en) * | 2022-11-15 | 2023-07-14 | 成都宏明电子股份有限公司 | Assembled high-efficient shielding machine case with filtering function |
| CN220042434U (en) * | 2023-05-23 | 2023-11-17 | 成都宏明电子股份有限公司 | Circuit board connecting device convenient for accurate visual connection operation |
| CN220254860U (en) * | 2023-07-04 | 2023-12-26 | 中兵无人机研究院有限公司 | Flight control device and unmanned aerial vehicle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7245497B2 (en) * | 2005-05-17 | 2007-07-17 | Itt Manufacturing Enterprises, Inc. | Modular electronics enclosure |
| TW201129293A (en) * | 2010-02-11 | 2011-08-16 | Pegatron Corp | Electrical module and enclosure thereof |
-
2024
- 2024-01-04 CN CN202410009899.7A patent/CN117528989B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM332365U (en) * | 2007-11-19 | 2008-05-11 | Universal Scient Ind Co Ltd | Multiple-cavity electromagnetic shielding apparatus |
| CN201725985U (en) * | 2010-03-23 | 2011-01-26 | 贵州航天电器股份有限公司 | Strong electromagnetic interference resistant socket |
| CN103311728A (en) * | 2013-05-15 | 2013-09-18 | 西安电子工程研究所 | Floating rectangular electric connector |
| DE202018103164U1 (en) * | 2018-06-06 | 2019-09-09 | Sma Solar Technology Ag | Electrical or electronic device comprising a housing with two electromagnetically shielded areas |
| CN111712069A (en) * | 2020-03-24 | 2020-09-25 | 西安航天自动化股份有限公司 | Airborne equipment protection device |
| CN112601408A (en) * | 2020-12-25 | 2021-04-02 | 珠海格力电器股份有限公司 | Electrical apparatus box, controller and ECAS pneumatic system |
| CN215734257U (en) * | 2021-10-14 | 2022-02-01 | 南京熊猫汉达科技有限公司 | Novel communication radio station structure |
| CN217694065U (en) * | 2022-06-23 | 2022-10-28 | 武汉泓承科技有限公司 | Shielding waterproof cable joint |
| CN217848558U (en) * | 2022-06-29 | 2022-11-18 | 成都宏明电子股份有限公司 | Connection structure between electric connector and panel based on collar positioning |
| CN219352254U (en) * | 2022-11-15 | 2023-07-14 | 成都宏明电子股份有限公司 | Assembled high-efficient shielding machine case with filtering function |
| CN115864050A (en) * | 2022-12-06 | 2023-03-28 | 北京计算机技术及应用研究所 | Self-loosening electric connector gasket |
| CN220042434U (en) * | 2023-05-23 | 2023-11-17 | 成都宏明电子股份有限公司 | Circuit board connecting device convenient for accurate visual connection operation |
| CN220254860U (en) * | 2023-07-04 | 2023-12-26 | 中兵无人机研究院有限公司 | Flight control device and unmanned aerial vehicle |
Non-Patent Citations (1)
| Title |
|---|
| 新型浮动式矩形电连接器的研究;吕洋;谢清玲;管杨杰;;火控雷达技术;20131225(04);全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117528989A (en) | 2024-02-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7211739B1 (en) | Electromagnetic interference (EMI) shield for a cable-bulkhead interface | |
| CN101710661B (en) | Modular electrical connector with opposing contact support members | |
| CN201323362Y (en) | Electrical connector | |
| CN201927850U (en) | Electric connector component | |
| CN117528989B (en) | Double-cover shielding type electronic device convenient to assemble | |
| CN101640351B (en) | Fixing member and electric connector using the same | |
| CN214754503U (en) | CFP2 connector electromagnetic shielding protective cover | |
| CN213694467U (en) | Adapter shell and power adapter | |
| CN2658974Y (en) | Transfer socket with shield filter | |
| CN219555544U (en) | Shielding case stacks interconnection shielding structure | |
| CN203747178U (en) | Optical crosstalk-prevention electrical connector structure | |
| CN219698123U (en) | Shell with good insulation effect | |
| CN112713441B (en) | Terminal connecting wire convenient to use quickly and using method thereof | |
| CN210052859U (en) | Binding post of quick installation | |
| CN217848393U (en) | Cabin type filter plug with efficient shielding function | |
| CN219086284U (en) | Wiring component and socket | |
| CN220420973U (en) | Novel connector | |
| CN220107102U (en) | Grounding structure of socket switch | |
| CN220731850U (en) | SMT patch type network connector | |
| CN217405834U (en) | Grounding structure of signal connector | |
| CN217240562U (en) | Integrated switching power supply with filtering interval | |
| CN219591780U (en) | Low-voltage connector integrated with filter structure and inverter | |
| CN202817396U (en) | Grounding unit and electric connector with grounding unit | |
| CN215184720U (en) | Adjustable rubber casing | |
| CN220043233U (en) | Plug-in type power supply filtering assembly applied to ignition device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |