CN216773561U - PCB plug-in components and PCB device - Google Patents
PCB plug-in components and PCB device Download PDFInfo
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- CN216773561U CN216773561U CN202220039056.8U CN202220039056U CN216773561U CN 216773561 U CN216773561 U CN 216773561U CN 202220039056 U CN202220039056 U CN 202220039056U CN 216773561 U CN216773561 U CN 216773561U
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Abstract
The embodiment of the utility model discloses a PCB plug-in and a PCB device. The PCB board is connected with the support columns; the PCB is provided with a first through hole, the circuit element is arranged on one side of the PCB, which is far away from the first protection plate, the circuit element comprises a protruding part, the protruding part penetrates through the first through hole to be in contact with the first protection plate, and the protruding part is connected with the first protection plate; the second protection plate is arranged on one side of the circuit element, which is far away from the PCB, and is connected with the circuit element; the third protection shield and the fourth protection shield are arranged oppositely and are connected with the first protection shield and the second protection shield, the first protection shield, the second protection shield, the third protection shield and the fourth protection shield form a box body, and the PCB is located inside the box body. The embodiment of the utility model has a protection effect on the PCB, prevents the PCB from being damaged in the plugging process, improves the structural stability of the PCB plug-in unit and improves the safety and reliability of installation.
Description
Technical Field
The embodiment of the utility model relates to the technical field of heavy PCB plug-ins, in particular to a PCB plug-in and a PCB device.
Background
Under the global background, the application range of railway signal products is more and more extensive, and PCB plug-ins with larger weight are required to be used in the railway signal products. The existing PCB plug-in units are mostly of a single-board structure, a PCB board provided with a pulling-aid unit directly slides into a guide rail in a plug-in box, and is connected with a mother board PCB of the plug-in box through a plug-in unit tail connector, so that communication is completed.
The prior art has the following defects: when circuit elements on the PCB are too heavy and are unevenly distributed, the stress of the PCB is uneven, the deformation of the PCB is easily caused in the plugging and unplugging process, and the safety and the reliability of the PCB cannot be guaranteed when the PCB is installed.
SUMMERY OF THE UTILITY MODEL
The PCB plug-in and the PCB device provided by the utility model can protect the PCB, prevent the PCB from being damaged in the plugging process, improve the safety and reliability in the installation process, avoid the deformation of the PCB due to stress and improve the structural stability of the PCB plug-in.
In a first aspect, an embodiment of the present invention provides a PCB interposer, where the interposer includes:
the protection device comprises a first protection plate, a second protection plate, a third protection plate, a fourth protection plate, a PCB and a circuit element;
the surface of the first protection plate is provided with a plurality of support columns, and the PCB is fixedly connected with the support columns; the PCB is provided with a plurality of first through holes, the circuit element is arranged on one side of the PCB, which is far away from the first protection plate, the circuit element comprises a protruding part, the protruding part penetrates through the first through holes to be in contact with the first protection plate, and the protruding part is fixedly connected with the first protection plate;
the second protection plate is arranged on one side, away from the PCB, of the circuit element, and the second protection plate is fixedly connected with the circuit element;
the third protection board and the fourth protection board are arranged oppositely, the third protection board and the fourth protection board are fixedly connected with the first protection board and the second protection board, the first protection board, the second protection board, the third protection board and the fourth protection board form a box body, and the PCB is located inside the box body.
Further, the third protection plate is arranged between the first protection plate and the second protection plate, and the edges of the end parts of the first protection plate and the second protection plate connected with the third protection plate are higher than the surface of the third protection plate far away from the PCB;
the fourth protection plate is arranged between the first protection plate and the second protection plate, and the edges of the end parts, connected with the fourth protection plate, of the first protection plate and the second protection plate are higher than the surface, far away from the PCB, of the fourth protection plate.
Further, the first protection plate comprises a first area, a second area and a third area, the second area is located between the first area and the third area, the distance between the second area and the PCB is smaller than the distance between the first area and the PCB and the distance between the second area and the PCB is larger than zero, and the protruding part of the circuit element is in contact with the second area;
the second protection plate comprises a fourth area, a fifth area and a sixth area, the fifth area is located between the fourth area and the sixth area, the distance between the fifth area and the PCB is larger than the distance between the fourth area and the PCB and the distance between the sixth area and the PCB, and the fifth area of the second protection plate is fixedly connected with the circuit element;
the third protective plate is fixed between the first region of the first protective plate and the fourth region of the second protective plate, and the fourth protective plate is fixed between the third region of the first protective plate and the sixth region of the second protective plate.
Further, first region with the third region all is provided with a plurality of first support columns, the second region has and is provided with a plurality of second support columns, first support column with the second support column is kept away from the surface parallel and level of first protection board.
Furthermore, threaded holes are formed in the surfaces, far away from the first protection plate, of the first support column and the second support column, and the PCB is fixedly connected with the first support column and the second support column through screws;
the first protection plate is fixedly connected with the protruding part through a screw;
the second protection plate is fixedly connected with the circuit element through a screw.
Optionally, the second region is provided with a plurality of second through holes;
a plurality of third through holes are formed in the areas, adjacent to the third protective plate, of the first protective plate and the second protective plate, and the third through holes are sequentially arranged along the extending direction of the edge, connected with the first protective plate, of the third protective plate; and/or a plurality of fourth through holes are formed in the areas, adjacent to the fourth protection plate, of the first protection plate and the second protection plate, and the fourth through holes are sequentially arranged along the extending direction of the edge, connected with the first protection plate, of the fourth protection plate.
Optionally, the third protection plate includes a plurality of first through holes, the first through holes extend along a direction in which the first protection plate points to the second protection plate, and the plurality of first through holes are sequentially arranged along an extending direction of a side of the third protection plate connected to the first protection plate;
the fourth protection shield includes a plurality of second bar through-holes, the second bar through-hole is followed first protection shield points to the direction of second protection shield extends, and a plurality of second bar through-holes are followed the fourth protection shield with the extending direction on the limit that first protection shield is connected arranges in proper order.
Optionally, a front panel, a first connection terminal and a second connection terminal, the first connection terminal and the second connection terminal are respectively electrically connected to the PCB, and the front panel and the first connection terminal are respectively located at two open ends of the box body;
the front panel is fixedly connected with the first protection plate and the second protection plate;
the front panel is provided with a plurality of openings, the second connecting terminal is arranged in the openings, one end of the front panel close to the third protection plate and one end of the front panel close to the fourth protection plate are respectively provided with a pulling aid.
Optionally, the circuit element comprises a transformer.
In a second aspect, an embodiment of the present invention further provides a PCB apparatus, where the apparatus includes: a socket and at least one PCB card as provided by any of the embodiments of the utility model;
the plug-in box comprises a plurality of guide rails, and the PCB plug-in is inserted into the guide rails.
The first protection plate, the second protection plate, the third protection plate and the fourth protection plate in the PCB plug-in unit provided by the embodiment of the utility model form a stable box body structure, the PCB and the circuit elements are fixed in the box body, the first protection plate, the second protection plate, the third protection plate and the fourth protection plate play a role in protecting the PCB and the circuit elements, the PCB and the circuit elements are prevented from being damaged in the plugging and unplugging process, the safety and the reliability in the installation process can be improved, the PCB is arranged between the first protection plate and the second protection plate in a floating mode, the circuit elements with larger weight are clamped and fixed through the cooperative matching of the first protection plate and the second protection plate, the PCB is free from the force of the circuit elements, the deformation of the PCB due to force is avoided, and the structural stability of the PCB plug-in unit is improved.
Drawings
FIG. 1 is a left side view of a PCB interposer provided by embodiments of the present invention;
FIG. 2 is a right side view of a PCB insert provided by an embodiment of the present invention;
FIG. 3 is a left side view of a PCB interposer provided by embodiments of the present invention;
FIG. 4 is a schematic structural diagram of a first protection plate according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a PCB board, a circuit element and a first protection board according to an embodiment of the present invention;
FIG. 6 is a rear view of a transformer provided by an embodiment of the present invention;
FIG. 7 is a schematic structural diagram of a guide rail in a plug box provided by an embodiment of the utility model;
FIG. 8 is a left side view of a PCB insert in a subrack provided by embodiments of the present invention;
FIG. 9 is a right side view of a PCB insert in a cage provided by an embodiment of the present invention;
fig. 10 is a front view of a transformer provided by an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings, not all of them.
An embodiment of the present invention provides a PCB interposer, fig. 1 is a left side view of the PCB interposer provided in the embodiment of the present invention, fig. 2 is a right side view of the PCB interposer provided in the embodiment of the present invention, fig. 3 is another left side view of the PCB interposer provided in the embodiment of the present invention, fig. 4 is a schematic structural diagram of a first protection board provided in the embodiment of the present invention, and fig. 5 is a schematic connection diagram of the PCB board, a circuit element, and the first protection board provided in the embodiment of the present invention; fig. 6 is a rear view of a transformer provided by an embodiment of the present invention. Referring to fig. 1-6, the PCB insert includes: a first protection plate 101, a second protection plate 102, a third protection plate 103, a fourth protection plate 104, a PCB plate 105, and a circuit element 106.
The surface of the first protection plate 101 is provided with a plurality of support columns 1010, and the PCB 105 is fixedly connected with the support columns 1010; the PCB 105 is provided with a plurality of first through holes 1051, the circuit element 106 is disposed on a side of the PCB 105 away from the first protection plate 101, the circuit element 106 includes a protruding portion 1061, the protruding portion 1061 penetrates through the first through hole 1051 to contact with the first protection plate 101, and the protruding portion 1061 is fixedly connected to the first protection plate 101; the second protective plate 102 is arranged on one side of the circuit element 106 far away from the PCB 105, and the second protective plate 102 is fixedly connected with the circuit element 106; the third protection plate 103 and the fourth protection plate 104 are arranged oppositely, the third protection plate 103 and the fourth protection plate 104 are fixedly connected with the first protection plate 101 and the second protection plate 102, the first protection plate 101, the second protection plate 102, the third protection plate 103 and the fourth protection plate 104 form a box body, and the PCB 105 is located inside the box body.
Specifically, the supporting column 1010 may be a rivet pressing stud, the PCB 105 may be fixedly connected to the supporting column 1010 on the first protection plate 101 by a screw, the protrusion 1061 on the circuit element 106 passes through the corresponding first through hole 1051 on the PCB 105 and is fastened to the first protection plate 101, the flying lead led out from the circuit element 106 is connected to the connection terminal on the PCB 105, the flying lead is connected, the second protection plate 102 is mounted by a screw, the circuit element 106 is tightly connected to the first protection plate 101 and the second protection plate 102, the third protection plate 103 is mounted in the upper gap formed by the first protection plate 101 and the second protection plate 102, and the fourth protection plate 104 is mounted in the lower gap formed by the first protection plate 101 and the second protection plate 102. The first protection plate 101, the second protection plate 102, the third protection plate 103 and the fourth protection plate 104 form a box body with a stable structure, and the PCB board 105 and the circuit element 106 are fixed inside the box body.
In the PCB card provided by the embodiment of the present invention, the first protection plate 101, the second protection plate 102, the third protection plate 103, and the fourth protection plate 104 form a stable box structure, the PCB 105 and the circuit element 106 are fixed inside the box, the first protection plate 101, the second protection plate 102, the third protection plate 103, and the fourth protection plate 104 protect the PCB 105 and the circuit element 106, so as to prevent the PCB 105 and the circuit element 106 from being damaged during the insertion and extraction process, and improve the safety and reliability during the installation process, and the PCB 105 is floated between the first protection plate 101 and the second protection plate 102, and the circuit element 106 with a larger weight is clamped and fixed by the cooperation of the first protection plate 101 and the second protection plate 102, so that the PCB 105 is not stressed by the circuit element 106, thereby avoiding the deformation of the PCB 105 due to force, and improving the structural stability of the PCB card.
With continued reference to fig. 2 and 3, optionally, the third protection plate 103 is disposed between the first protection plate 101 and the second protection plate 102, and edges of end portions of the first protection plate 101 and the second protection plate 102 connected to the third protection plate 103 are higher than a surface of the third protection plate 103 away from the PCB 105;
the fourth protection plate 104 is disposed between the first protection plate 101 and the second protection plate 102, and edges of end portions of the first protection plate 101, the second protection plate 102 and the fourth protection plate 104 connected to each other are higher than a surface of the fourth protection plate 104 far from the PCB 105.
The portions of the first protection plate 101, the second protection plate 102 and the third protection plate 103, which are connected to each other, are higher than the third protection plate 103, and can be used as sliding rails for matching with the guide rails 201 in the PCB inserting box 200, and the PCB inserts can be slid into the guide rails 201 in the PCB inserting box 200 through the portions of the first protection plate 101, the second protection plate 102 and the third protection plate 103, which are connected to each other, which are higher than the third protection plate 103. Also, the portions of the first protection plate 101 and the second protection plate 102 connected to the end of the fourth protection plate 104 that are higher than the end of the fourth protection plate 104 may serve as a sliding rail that cooperates with the guide rail 201 in the PCB socket 200, and the PCB card may be slid into the guide rail 201 in the PCB socket 200 through the portions of the first protection plate 101 and the second protection plate 102 connected to the end of the fourth protection plate 104 that are higher than the end of the fourth protection plate 104.
Fig. 7 is a schematic structural diagram of a guide rail in a box according to an embodiment of the present invention, fig. 8 is a left side view of a PCB card in the box according to the embodiment of the present invention, fig. 9 is a right side view of the PCB card in the box according to the embodiment of the present invention, and referring to fig. 7, fig. 8, and fig. 9, the mounted PCB card is slid into the guide rail 201 in the box 200 through the upper and lower edges of the first protection plate 101 and the second protection plate 102, and is connected to the motherboard PCB in the box 200 through the connector at the tail of the PCB board 105, thereby implementing communication. The guide rails 201 in the plug-in box 200 are slid into the first protection plate 101 and the second protection plate 102 on two sides, the original guide rails 201 in the plug-in box 200 are replaced by the original PCB board card 105, the overall structure stability of the PCB plug-in is guaranteed, the design improves the installation reliability, and the PCB board card is prevented from being damaged by violent plugging.
With continued reference to fig. 1-6, optionally, the first protective plate 101 includes a first area 1011, a second area 1012, and a third area 1013, the second area 1012 is located between the first area 1011 and the third area 1013, the second area 1012 is at a smaller distance from the PCB 105 than the first area 1011 and the third area 1013 are at from the PCB 105, and the second area 1012 is at a distance from the PCB 105 greater than zero, the tab of the circuit element 106 is in contact with the second area 1012;
the second protection plate 102 comprises a fourth region 1021, a fifth region 1022 and a sixth region 1023, the fifth region 1022 is located between the fourth region 1021 and the sixth region 1023, the distance between the fifth region 1022 and the PCB 105 is larger than the distance between the fourth region 1021 and the sixth region 1023 and the PCB 105, and the fifth region 1022 of the second protection plate 102 is fixedly connected with the circuit elements 106;
the third protection plate 103 is fixed between the first region 1011 of the first protection plate 101 and the fourth region 1021 of the second protection plate 102, and the fourth protection plate 104 is fixed between the third region 1013 of the first protection plate 101 and the sixth region 1023 of the second protection plate 102.
The PCB 105 has a plurality of first through holes 1051, the protrusion 1061 of the circuit element 106 sequentially passes through the first through holes 1051 of the PCB 105 to contact the second region 1012, and the protrusion 1061 of the circuit element 106 can be fixedly connected to the first protection plate 101 by using screws. Screws may be used to fixedly connect the fifth region 1022 of the second protective plate 102 with the circuit element 106. The connection mode enables the first protection plate 101, the PCB 105, the circuit element 106 and the second protection plate 102 to form a whole, and the third protection plate 103 and the fourth protection plate 104 are respectively fixed in the gaps formed at the upper and lower sides of the first protection plate 101 and the second protection plate 102, so that a box-shaped structure can be formed, and the overall stability is improved.
By arranging the second area 1012 to be less distant from the PCB 105 than the first area 1011 and the third area 1013 are distant from the PCB 105, the distance between the circuit element 106 and the first protection plate 101 is small, so that the protrusion 1061 on the circuit element 106 does not need to be too high to affect the structural strength.
It should be noted that the distance between the first region 1011 of the first protection plate 101 and the fourth region 1021 of the second protection plate 102, and the distance between the third region 1013 of the first protection plate 101 and the sixth region 1023 of the second protection plate 102 are equal to the width of the guide rail on the insert box.
With continued reference to fig. 4 and 5, optionally, the first area 1011 and the third area 1013 of the first protective plate 101 are each provided with a plurality of first support columns 1010A, the second area 1012 is provided with a plurality of second support columns 1010B, and the first support columns 1010A and the second support columns 1010B are flush with the surface away from the first protective plate 101.
The first protection plate 101 has support columns 1010 in each region, and the support columns 1010 include a first support column 1010A and a second support column 1010B. A plurality of first support columns 1010A that first region 1011 and third region 1013 set up evenly distributed, a plurality of second support columns 1010B evenly distributed that second region 1012 set up, first support column 1010A and second support column 1010B all are used for supporting PCB 105 for PCB 105 atress is more even, avoids stress concentration to damage the PCB.
It should be noted that the heights of the first supporting column 1010A and the second supporting column 1010B may be set according to needs, and this embodiment is not particularly limited. Illustratively, the height of the first support column 1010A may be 5.5cm and the height of the second support column 1010B may be 11.5 cm. The number of support columns 1010 in the first, second, and third regions 1011, 1012, 1013 may be set as desired. For example, 4 first support columns 1010A may be disposed in the first region 1011, 3 second support columns 1010B may be disposed in the second region 1012, and 4 first support columns 1010A may be disposed in the third region 1013.
With continued reference to fig. 1-6, optionally, the surfaces of the first supporting column 1010A and the second supporting column 1010B away from the first protection plate 101 are provided with threaded holes, and the PCB 105 is fixedly connected to the first supporting column 1010A and the second supporting column 1010B by screws; the protruded part 1061 is provided with a threaded hole, and the first protection plate 101 and the protruded part 1061 are fixedly connected through a screw; the second protective plate 102 is fixedly connected to the circuit element 106 by screws.
During specific assembly, first protection plate 101 is horizontally placed, so that the protruding directions of first support column 1010A and second support column 1010B of first protection plate 101 face upwards, threaded holes are formed in the surfaces of first support column 1010A and second support column 1010B, PCB 105 is fixed to first support column 1010A and second support column 1010B through screws, and the screws are screwed down. The protruded part 1061 of the circuit component 106 is sequentially inserted through the PCB 105, a threaded hole is formed in the protruded part 1061 of the circuit component 106, and the first protection plate 101 and the protruded part 1061 of the circuit component 106 are fixedly connected by using a screw. Finally, the circuit component 106 is fixedly connected to the second protective plate 102 by using screws. The PCB 105 is suspended between the first protection plate 101 and the second protection plate 102, and the first protection plate 101 and the second protection plate 102 clamp and fix the circuit element 106 with a heavy weight, so that the PCB 105 is not stressed and is prevented from being deformed during plugging.
It should be noted that in the process of mounting the circuit components 106, each circuit component 106 is mounted, and the flying leads thereof are connected to the corresponding terminals of the PCB 105.
Optionally, the second area 1012 is provided with a plurality of second through holes 112. A plurality of third through holes 113 are formed in the areas, adjacent to the third protection plate 103, of the first protection plate 101 and the second protection plate 102, and the third through holes 113 are sequentially arranged along the extending direction of the edge, connected with the first protection plate 101, of the third protection plate 103; and/or a plurality of fourth through holes 114 are formed in the areas, adjacent to the fourth protection plate 104, of the first protection plate 101 and the second protection plate 102, and the fourth through holes 114 are sequentially arranged along the extending direction of the edge, connected with the first protection plate 101, of the fourth protection plate 104.
The second through hole 112 can reduce the weight of the first protection plate 101, so that the weight of the PCB plug-in is reduced, the assembly is convenient, and the installation efficiency is improved. For example, the second through hole 112 provided in the second region 1012 of the first protective plate 101 may have a race track shape, and the length × width may be 50mm × 15 mm. The number of the third through holes 113 and the fourth through holes 114 may be multiple, and the third through holes and the fourth through holes may be distributed in sequence, and the diameter of the holes may be 20 mm. The third through hole 113 and the fourth through hole 114 are arranged to reduce the weight of the first protection plate 101 and the second protection plate 102, so that the strength is improved, the assembly and the carrying are convenient, and the installation efficiency is improved. Illustratively, the third through hole 113 and the fourth through hole 114 may be circular holes, and the diameter of the holes may be 20 mm.
With continuing reference to fig. 2 and 3, optionally, the third protection plate 103 comprises a plurality of first bar-shaped through holes 1031, the first bar-shaped through holes 1031 extend along the direction in which the first protection plate 101 points to the second protection plate 102, and the plurality of first bar-shaped through holes 1031 are sequentially arranged along the extending direction of the edge of the third protection plate 103 connected to the first protection plate 101;
the fourth protection plate 104 includes a plurality of second strip-shaped through holes 1041, the second strip-shaped through holes 1041 extend along the direction of the first protection plate 101 pointing to the second protection plate 102, and the plurality of second strip-shaped through holes 1041 are arranged in sequence along the extending direction of the edge of the fourth protection plate 104 connected with the first protection plate 101.
Wherein, first bar through-hole 1031 and second bar through-hole 1041 distribute in proper order, and the specific number of bar through-hole sets up according to actual need, and the bar through-hole can alleviate the self weight of third protection shield 103 and fourth protection shield 104, reduces the weight of PCB plug-in components, and sets up the bar through-hole and be convenient for stress release, improves the structural strength of third protection shield 103 and fourth protection shield 104.
With continued reference to fig. 1, optionally, the PCB insert further comprises: a front panel 107, a first connection terminal 108 and a second connection terminal 109, wherein the first connection terminal 108 and the second connection terminal 109 are respectively electrically connected with the PCB 105, and the front panel 107 and the first connection terminal 108 are respectively positioned at two opening ends of the box body;
the front panel 107 is fixedly connected with the first protection plate 101 and the second protection plate 102;
the front panel 107 is provided with a plurality of openings, the second connection terminal 109 is provided in the openings, and the end of the front panel 107 adjacent to the third protection plate 103 and the end of the front panel 107 adjacent to the fourth protection plate 104 are respectively provided with the extraction aid 110.
Wherein, the front panel 107 and the first connecting terminal 108 are respectively positioned at two open ends of the box body; the front panel 107 is located at the opening end of the front face of the box body, the first connecting terminals 108 are located at the opening end of the rear face of the box body, the second connecting terminals 109 are arranged in the plurality of openings of the front panel 107, the first connecting terminals 108 and the second connecting terminals 109 are electrically connected with the PCB board 105 respectively, the first connecting terminals 108 are used for being connected with a PCB mother board of the plug box assembly, and the second connecting terminals 109 are used for being connected with external equipment, so that communication is achieved. The pull-out aid 110 can realize the initial locking and limiting function of the PCB plug-in, is convenient and quick to operate, does not need tools, and has high reliability and strong adaptability.
Optionally, the circuit components 106 in the PCB insert comprise a transformer.
Fig. 6 is a back view of a transformer according to an embodiment of the present invention, fig. 10 is a front view of the transformer according to the embodiment of the present invention, and referring to fig. 6 and 10, the circuit component 106 includes the transformer, a protrusion 1061 is disposed at a center position of a back surface of the transformer, a connection 1062 is disposed at a middle position of an upper edge, a middle position of a left edge, and a middle position of a right edge of the front surface of the transformer, and each protrusion 1061 and each connection 1062 are provided with a threaded hole. With continued reference to fig. 5, during assembly, the protrusions 1061 of the transformer are first sequentially inserted through the PCB 105, and the first protection plate 101 may be fixedly connected to the protrusions 1061 on the back surface of the transformer by using screws. With continued reference to fig. 2, all the front sides of the transformers are then placed at the same horizontal position, and the second protection board 102 is fastened to the front sides of the transformers, and the second protection board 102 may be fixedly connected to the connection portions 1062 on the front sides of the transformers by using screws. The PCB card may be configured with 6 transformers, each of which may be 60mm by 56mm by 60mm by weight, each weighing 0.8 kg.
An embodiment of the present invention provides a PCB apparatus, including: the insert box 200 and the PCB insert in any of the embodiments of the present invention; the insert box 200 includes a plurality of guide rails 201 into which the PCB inserts are inserted.
With continued reference to fig. 8 and 9, the installed PCB connector slides into the guide rail 201 of the inserting box 200 through the upper and lower edges of the first protection plate and the second protection plate, which not only saves space, but also ensures stable overall structure, realizes the matching between the PCB connector and the inserting box of the PCB device, and reduces the use limitation due to compatible exchange of the PCB connector.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements, combinations and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A PCB card, comprising:
the protection device comprises a first protection plate, a second protection plate, a third protection plate, a fourth protection plate, a PCB and a circuit element;
the surface of the first protection plate is provided with a plurality of support columns, and the PCB is fixedly connected with the support columns; the PCB is provided with a plurality of first through holes, the circuit element is arranged on one side of the PCB, which is far away from the first protection plate, the circuit element comprises a protruding part, the protruding part penetrates through the first through holes to be in contact with the first protection plate, and the protruding part is fixedly connected with the first protection plate;
the second protection plate is arranged on one side, away from the PCB, of the circuit element, and the second protection plate is fixedly connected with the circuit element;
the third protection board and the fourth protection board are arranged oppositely, the third protection board and the fourth protection board are fixedly connected with the first protection board and the second protection board, the first protection board, the second protection board, the third protection board and the fourth protection board form a box body, and the PCB is located inside the box body.
2. The PCB interposer of claim 1 wherein:
the third protection plate is arranged between the first protection plate and the second protection plate, and the edges of the end parts of the first protection plate and the second protection plate, which are connected with the third protection plate, are higher than the surface of the third protection plate, which is far away from the PCB;
the fourth protection plate is arranged between the first protection plate and the second protection plate, and the edges of the end parts, connected with the fourth protection plate, of the first protection plate and the second protection plate are higher than the surface, far away from the PCB, of the fourth protection plate.
3. The PCB interposer of claim 2, wherein:
the first protection plate comprises a first area, a second area and a third area, the second area is located between the first area and the third area, the distance between the second area and the PCB is smaller than the distance between the first area and the PCB and the distance between the second area and the PCB is larger than zero, and the protruding part of the circuit element is in contact with the second area;
the second protection plate comprises a fourth area, a fifth area and a sixth area, the fifth area is located between the fourth area and the sixth area, the distance between the fifth area and the PCB is larger than the distance between the fourth area and the PCB and the distance between the sixth area and the PCB, and the fifth area of the second protection plate is fixedly connected with the circuit element;
the third protective plate is fixed between the first region of the first protective plate and the fourth region of the second protective plate, and the fourth protective plate is fixed between the third region of the first protective plate and the sixth region of the second protective plate.
4. The PCB interposer of claim 3, wherein:
the first region with the third region all is provided with a plurality of first support columns, the second region has and is provided with a plurality of second support columns, first support column with the second support column is kept away from the surface parallel and level of first protection board.
5. The PCB interposer of claim 4,
threaded holes are formed in the surfaces, far away from the first protection plate, of the first support column and the second support column, and the PCB is fixedly connected with the first support column and the second support column through screws;
the first protection plate is fixedly connected with the protruding part through a screw;
the second protective plate is fixedly connected with the circuit element through a screw.
6. The PCB interposer of claim 3, wherein:
the second area is provided with a plurality of second through holes;
a plurality of third through holes are formed in the areas, adjacent to the third protective plate, of the first protective plate and the second protective plate, and the third through holes are sequentially arranged along the extending direction of the edge, connected with the first protective plate, of the third protective plate; and/or a plurality of fourth through holes are formed in the areas, adjacent to the fourth protection plate, of the first protection plate and the second protection plate, and the fourth through holes are sequentially arranged along the extending direction of the edge, connected with the first protection plate, of the fourth protection plate.
7. The PCB interposer of claim 1 wherein:
the third protection plate comprises a plurality of first strip-shaped through holes, the first strip-shaped through holes extend along the direction of the first protection plate pointing to the second protection plate, and the plurality of first strip-shaped through holes are sequentially arranged along the extending direction of the edge of the third protection plate connected with the first protection plate;
the fourth protection shield includes a plurality of second bar through-holes, the second bar through-hole is followed first protection shield points to the direction of second protection shield extends, and a plurality of second bar through-holes are followed the fourth protection shield with the extending direction on the limit that first protection shield is connected arranges in proper order.
8. The PCB interposer of claim 1 further comprising:
the PCB comprises a front panel, a first connecting terminal and a second connecting terminal, wherein the first connecting terminal and the second connecting terminal are respectively electrically connected with the PCB, and the front panel and the first connecting terminal are respectively positioned at two opening ends of the box body;
the front panel is fixedly connected with the first protection plate and the second protection plate;
the front panel is provided with a plurality of openings, the second connecting terminal is arranged in the openings, one end of the front panel close to the third protection plate and one end of the front panel close to the fourth protection plate are respectively provided with a pulling aid.
9. The PCB interposer of claim 1 wherein:
the circuit element includes a transformer.
10. A PCB apparatus, comprising:
a box and at least one PCB card of any of claims 1-9;
the plug-in box comprises a plurality of guide rails, and the PCB plug-in is inserted into the guide rails.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220039056.8U CN216773561U (en) | 2022-01-04 | 2022-01-04 | PCB plug-in components and PCB device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220039056.8U CN216773561U (en) | 2022-01-04 | 2022-01-04 | PCB plug-in components and PCB device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216773561U true CN216773561U (en) | 2022-06-17 |
Family
ID=81976532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220039056.8U Active CN216773561U (en) | 2022-01-04 | 2022-01-04 | PCB plug-in components and PCB device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216773561U (en) |
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2022
- 2022-01-04 CN CN202220039056.8U patent/CN216773561U/en active Active
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