CN213938618U - Printed wiring board with electromagnetic wave shielding sheet - Google Patents
Printed wiring board with electromagnetic wave shielding sheet Download PDFInfo
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- CN213938618U CN213938618U CN202022771097.XU CN202022771097U CN213938618U CN 213938618 U CN213938618 U CN 213938618U CN 202022771097 U CN202022771097 U CN 202022771097U CN 213938618 U CN213938618 U CN 213938618U
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- wiring board
- printed wiring
- electromagnetic wave
- wave shielding
- fixed
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Abstract
The utility model relates to a wiring board technical field just discloses a printing wiring board with electromagnetic wave shielding piece, including the printing wiring board body, be fixed with an installing frame around the printing wiring board body, the through-hole has all been seted up to the left and right sides in installing frame the place ahead, the below of installing frame is provided with the mounting panel, the last fixed surface of mounting panel has two fixed strips, two the elongated slot has been seted up to one side that the fixed strip is close to mutually, the installing frame is located the elongated slot, the length of elongated slot is less than the length of fixed strip, the cavity has been seted up in the fixed strip. According to the printed wiring board with the electromagnetic wave shielding sheet, the clamping rod can be separated from the through hole in the mounting frame by pressing the connecting rod, the limit on the mounting frame is relieved at the moment, then the mounting frame is pulled out from the long groove, and the printed wiring board body can be detached from the mounting plate, so that a large amount of dismounting time is saved, the working efficiency is improved, and the overhaul work is facilitated.
Description
Technical Field
The utility model relates to a wiring board technical field specifically is a printing wiring board with electromagnetic wave shielding piece.
Background
In recent years, with the advent of the internet age, improvements and miniaturization of signal transmission speed have been promoted in information processing apparatuses, communication apparatuses, and the like. In addition, in a server, a workstation, a personal computer, a mobile phone, a game machine, and the like, an increase in speed, a multi-function, and a composite of an MPU (micro processor unit) and an increase in speed of a storage device such as a memory are also in progress. However, it has been a problem that electromagnetic wave noise emitted from these devices or conduction noise in the devices causes malfunction of the devices themselves or other electronic devices, and one of the countermeasures is to use a printed wiring board with an electromagnetic wave shielding sheet to improve stability. However, most of the existing printed wiring with electromagnetic wave shielding sheets are fixed by bolts, which is difficult to install and disassemble simply and quickly, and inconvenient for later maintenance and replacement and use.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
To the not enough of prior art in the above-mentioned background art, the utility model provides a printed wiring board with electromagnetic wave shielding piece to overcome the current printed wiring that has electromagnetic wave shielding piece that provides in the above-mentioned background art and fix through the bolt mostly, be difficult to simple quick installation and dismantlement, the maintenance and the change in later stage of being not convenient for have brought inconvenient shortcoming for the use.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a printed wiring board with an electromagnetic wave shielding sheet comprises a printed wiring board body, wherein a mounting frame is fixed on the periphery of the printed wiring board body, and through holes are formed in the left side and the right side of the front of the mounting frame;
a mounting plate is arranged below the mounting frame, two fixing strips are fixed on the upper surface of the mounting plate, a long groove is arranged on one side of the two fixing strips close to each other, the mounting frame is positioned in an elongated slot, the length of the elongated slot is less than that of the fixed strip, a cavity is arranged in the fixed strip, a movable block is arranged in the cavity, a clamping rod is fixed in the middle of the upper surface of the movable block, the top end of the clamping rod penetrates through the inner bottom wall of the long groove and is positioned in the through hole, the top end of the clamping rod is matched with the through hole, a spring is arranged between the lower surface of the movable block and the inner bottom wall of the cavity, a connecting rod is arranged between the two fixed strips and below the mounting frame, one side that the movable block is close to the connecting rod is fixed with the driving lever, the one end that the driving lever is close to the connecting rod runs through one side of fixed strip and is fixed with the connecting rod, the upper surface rear side of installing frame articulates through the hinge has the protective cover.
As an optimal technical solution of the utility model: a plurality of bleeder vents are seted up to the upper surface of protective cover, and are a plurality of bleeder vent evenly distributed is on the protective cover, and the heat dissipation of printing distribution board body is convenient for to a plurality of bleeder vents.
As an optimal technical solution of the utility model: the front of protective cover is installed and is gone up the hasp, the front of installing frame install with last hasp looks adaptation the lower hasp, go up the cooperation of hasp and lower hasp, avoid non-staff's mistake to bump the printing distribution board body, reinforcing protective capacities.
Further, a gap is reserved between the fixing strip and the protective cover, and the fixing strip is symmetrically arranged on the left side and the right side of the upper surface of the mounting plate.
Furthermore, the upper surface of the mounting frame is in contact with the inner top wall of the elongated slot, and the lower surface of the mounting frame is in contact with the inner bottom wall of the elongated slot.
Furthermore, the left side and the right side of the movable block are respectively contacted with the inner walls of the left side and the right side of the cavity, and the front side and the rear side of the movable block are respectively contacted with the inner walls of the front side and the rear side of the cavity.
Furthermore, a round hole matched with the clamping rod is formed in the inner top wall of the cavity, and a long hole matched with the shifting rod is formed in the inner wall of one side, close to the connecting rod, of the cavity.
Furthermore, one end of the spring is fixed with the lower surface of the movable block, and the other end of the spring is fixed with the inner bottom wall of the cavity.
When the printed wiring board needs to be installed, the installation frame and the printed wiring board body are firstly inserted into the long grooves to enable the clamping rods to correspond to the through holes, and the clamping rods are inserted into the through holes through restoring force of the springs, so that the installation of the printed wiring board body can be completed.
(III) advantageous effects
The utility model provides a printed wiring board with electromagnetic wave shielding piece possesses following beneficial effect:
(1) according to the printed wiring board with the electromagnetic wave shielding sheet, the clamping rod can be separated from the through hole in the mounting frame by pressing the connecting rod, the limit on the mounting frame is relieved at the moment, then the mounting frame is pulled out from the long groove, and the printed wiring board body can be detached from the mounting plate, so that a large amount of dismounting time is saved, the working efficiency is improved, and the overhauling work is facilitated.
(2) This have an electromagnetic wave shielding piece's printing distribution board sets up the protective cover and can protect the printing distribution board body, sets up the heat dissipation of a plurality of bleeder vents printing distribution board bodies of being convenient for, through the cooperation of last hasp and lower hasp, avoids non-staff's mistake to bump the printing distribution board body, reinforcing protective capability.
Drawings
Fig. 1 is a schematic structural view of a mounting frame of a printed wiring board with an electromagnetic wave shielding sheet according to the present invention;
fig. 2 is a schematic perspective view of the printed wiring board with an electromagnetic wave shielding sheet according to the present invention;
fig. 3 is a schematic front sectional view of the printed wiring board with the electromagnetic wave shielding sheet according to the present invention;
fig. 4 is an enlarged schematic view of the printed wiring board with an electromagnetic wave shielding sheet of the present invention at a point a in fig. 3;
fig. 5 is a schematic structural view of a fixing bar of the printed wiring board with the electromagnetic wave shielding sheet of the present invention.
In the figure: 1. a printed wiring board body; 2. installing a frame; 3. a through hole; 4. mounting a plate; 5. a fixing strip; 6. a long groove; 7. a cavity; 8. a movable block; 9. a clamping rod; 10. a spring; 11. a connecting rod; 12. a deflector rod; 13. a protective cover; 14. air holes are formed; 15. locking a lock catch; 16. a lower lock catch; 17. a circular hole; 18. and a long hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1 to 5, the present invention provides a printed wiring board with an electromagnetic wave shielding sheet;
as shown in fig. 1, the printed wiring board comprises a printed wiring board body 1, wherein a mounting frame 2 is fixed around the printed wiring board body 1, the mounting frame 2 is convenient for mounting the printed wiring board body 1, and through holes 3 are formed in the left side and the right side of the front of the mounting frame 2;
according to the figures 2-5, a mounting plate 4 is arranged below a mounting frame 2, two fixing strips 5 are fixed on the upper surface of the mounting plate 4, a gap is reserved between each fixing strip 5 and a protective cover 13, the two fixing strips 5 are symmetrically arranged on the left side and the right side of the upper surface of the mounting plate 4, one side, close to each fixing strip 5, is provided with an elongated slot 6, the elongated slot 6 is used for mounting the mounting frame 2, the mounting frame 2 is positioned in the elongated slot 6, the upper surface of the mounting frame 2 is in contact with the inner top wall of the elongated slot 6, the lower surface of the mounting frame 2 is in contact with the inner bottom wall of the elongated slot 6, the length of the elongated slot 6 is smaller than that of the fixing strip 5, a cavity 7 is arranged in the fixing strip 5, a movable block 8 is arranged in the cavity 7, the left side and the right side of the movable block 8 are respectively in contact with the left side and right side inner walls of the cavity 7, the front side and the rear side of the movable block 8 are respectively in contact with the front side and rear side inner walls of the cavity 7, a clamping rod 9 is fixed in the middle of the upper surface of the movable block 8, the top end of the clamping rod 9 penetrates through the inner bottom wall of the long groove 6 and is positioned in the through hole 3, the top end of the clamping rod 9 is matched with the through hole 3, a spring 10 is arranged between the lower surface of the movable block 8 and the inner bottom wall of the cavity 7, one end of the spring 10 is fixed with the lower surface of the movable block 8, the other end of the spring 10 is fixed with the inner bottom wall of the cavity 7, the clamping rod 9 is inserted into the through hole 3 by the restoring force of the spring 10, the installation of the printed wiring board body 1 can be completed, a connecting rod 11 is arranged between the two fixed strips 5 and below the installation frame 2, the connecting rod 11 can drive a shifting rod 12 to move, a shifting rod 12 is fixed on one side of the movable block 8 close to the connecting rod 11, the shifting rod 12 can drive the movable block 8 to slide downwards in the cavity 7 and enable the spring 10 to contract, one end of the shifting rod 12 close to the connecting rod 11 penetrates through one side of the fixed strip 5 and is fixed with the connecting rod 11, a round hole 17 matched with the clamping rod 9 is formed in the inner top wall of the cavity 7, a long hole 18 matched with the shift lever 12 is formed in the inner wall of one side, close to the connecting rod 11, of the cavity 7, a protective cover 13 is hinged to the rear side of the upper surface of the mounting frame 2 through hinges, and the protective cover 13 can protect the printed wiring board body 1;
as shown in fig. 2, a preferred embodiment of the present invention is: the upper surface of the protective cover 13 is provided with a plurality of air holes 14, the air holes 14 are uniformly distributed on the protective cover 13, and the air holes 14 are convenient for heat dissipation of the printed wiring board body 1;
as shown in fig. 2, a preferred embodiment of the present invention is: an upper lock catch 15 is installed on the front face of the protective cover 13, a lower lock catch 16 matched with the upper lock catch 15 is installed on the front face of the installation frame 2, the upper lock catch 15 is matched with the lower lock catch 16, the phenomenon that non-workers touch the printed wiring board body 1 by mistake is avoided, and the protective capability is enhanced.
It should be noted that, in the present invention, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be understood in a broad sense, and may be, for example, either fixedly or detachably connected; or indirectly through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. A printed wiring board with an electromagnetic wave shielding sheet comprises a printed wiring board body (1), and is characterized in that a mounting frame (2) is fixed on the periphery of the printed wiring board body (1), and through holes (3) are formed in the left side and the right side of the front of the mounting frame (2);
a mounting plate (4) is arranged below the mounting frame (2), two fixing strips (5) are fixed on the upper surface of the mounting plate (4), an elongated slot (6) is formed in one side, close to the two fixing strips (5), of each fixing strip (5), the mounting frame (2) is positioned in the elongated slot (6), the length of each elongated slot (6) is smaller than that of each fixing strip (5), a cavity (7) is formed in each fixing strip (5), a movable block (8) is arranged in each cavity (7), a clamping rod (9) is fixed in the middle of the upper surface of each movable block (8), the top end of each clamping rod (9) penetrates through the inner bottom wall of each elongated slot (6) and is positioned in each through hole (3), the top end of each clamping rod (9) is matched with each through hole (3), a spring (10) is arranged between the lower surface of each movable block (8) and the inner bottom wall of each cavity (7), and a connecting rod (11) is arranged between the two fixing strips (5) and below the mounting frame (2), one side that movable block (8) are close to connecting rod (11) is fixed with driving lever (12), one end that driving lever (12) are close to connecting rod (11) runs through one side of fixed strip (5) and is fixed with connecting rod (11), the upper surface rear side of installing frame (2) articulates through the hinge has protective cover (13).
2. The printed wiring board with an electromagnetic wave shielding sheet according to claim 1, wherein the protective cover (13) has a plurality of ventilation holes (14) formed in an upper surface thereof, and the plurality of ventilation holes (14) are uniformly distributed in the protective cover (13).
3. The printed wiring board with an electromagnetic wave shielding sheet according to claim 1, wherein an upper latch (15) is mounted on a front surface of the protective cover (13), and a lower latch (16) adapted to the upper latch (15) is mounted on a front surface of the mounting frame (2).
4. The printed wiring board with an electromagnetic wave shielding sheet according to claim 1, wherein a gap is left between the fixing strip (5) and the protective cover (13), and the two fixing strips (5) are symmetrically arranged on the left and right sides of the upper surface of the mounting plate (4).
5. The printed wiring board with an electromagnetic wave shielding sheet according to claim 1, characterized in that the upper surface of the mounting frame (2) is in contact with the inner ceiling wall of the long groove (6), and the lower surface of the mounting frame (2) is in contact with the inner ceiling wall of the long groove (6).
6. The printed wiring board with an electromagnetic wave shielding sheet according to claim 1, wherein the left and right sides of the movable block (8) are in contact with the left and right inner walls of the cavity (7), respectively, and the front and rear sides of the movable block (8) are in contact with the front and rear inner walls of the cavity (7), respectively.
7. The printed circuit board with electromagnetic wave shielding sheet according to claim 1, wherein the inner top wall of the cavity (7) is provided with a circular hole (17) adapted to the clamping rod (9), and the inner wall of the cavity (7) near the connecting rod (11) is provided with a long hole (18) adapted to the shift lever (12).
8. The printed wiring board with an electromagnetic wave shielding sheet according to claim 1, wherein one end of the spring (10) is fixed to the lower surface of the movable block (8), and the other end of the spring (10) is fixed to the inner bottom wall of the cavity (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022771097.XU CN213938618U (en) | 2020-11-26 | 2020-11-26 | Printed wiring board with electromagnetic wave shielding sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022771097.XU CN213938618U (en) | 2020-11-26 | 2020-11-26 | Printed wiring board with electromagnetic wave shielding sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213938618U true CN213938618U (en) | 2021-08-10 |
Family
ID=77144333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022771097.XU Active CN213938618U (en) | 2020-11-26 | 2020-11-26 | Printed wiring board with electromagnetic wave shielding sheet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213938618U (en) |
-
2020
- 2020-11-26 CN CN202022771097.XU patent/CN213938618U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230705 Address after: Room 101 and 102, Building 5, No. 68 Guangshan Fourth Road, Huangpu District, Guangzhou City, Guangdong Province, 510000 Patentee after: Guangdong Guoke Electromagnetic Technology Co.,Ltd. Address before: 510000 room 477, second floor, unit 2, building 2, No. 24, Jishan new road street, Tianhe District, Guangzhou, Guangdong Patentee before: Qisheng times (Guangzhou) Technology Co.,Ltd. |