CN215500325U - Small-sized shielding device with anti-interference signal - Google Patents
Small-sized shielding device with anti-interference signal Download PDFInfo
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- CN215500325U CN215500325U CN202121650193.7U CN202121650193U CN215500325U CN 215500325 U CN215500325 U CN 215500325U CN 202121650193 U CN202121650193 U CN 202121650193U CN 215500325 U CN215500325 U CN 215500325U
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Abstract
The utility model discloses a small signal anti-interference shielding device, which belongs to the technical field of shielding devices and comprises a shielding shell, wherein the top end of the shielding shell is fixedly connected with a top plate, the front surface of the top plate is provided with a clamping groove, the front surface of the shielding shell is provided with a communicating groove and an interface groove, the interface groove is positioned below the communicating groove, the lower surface of the shielding shell is fixedly connected with a rubber pad, and the back surface of the inner wall of the interface groove is uniformly provided with a plurality of heat dissipation holes. This anti-interference small-size shielding ware of signal through setting up kelly, spring, threaded sleeve and bolt, can assist shield shell to install the location, ensures shield shell mounted position's accuracy to guarantee shield shell can laminate closely with the shielding ware bottom plate, make this device can paste and surely install on equipment communication interface, install seamless, thereby effectively play anti-interference and shielding external signal infringement's effect in the time of output input data.
Description
Technical Field
The utility model belongs to the technical field of shielding devices, and particularly relates to a small signal anti-interference shielding device.
Background
The shielding device is a device capable of isolating external signal interference, is generally used in communication equipment, and is particularly commonly used in military communication equipment, military information needs to be kept secret, and in order to prevent external interference, a shielding device part is customized on a signal transmission tool and is an accessory installed on the military communication equipment for signal transmission. Because traditional shielding ware spare part volume is less, be not convenient for carry out inseparable cooperation installation with the shielding ware bottom plate, there is the clearance easily when leading to shielding ware spare part and shielding ware bottom plate cooperation installation, make shielding effect reduce.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome the defects in the prior art, the utility model provides a small signal anti-interference shielding device, which solves the problem that the shielding effect is reduced because the shielding device parts are small in size and are inconvenient to be tightly matched and installed with a shielding device bottom plate, so that gaps are easy to exist when the shielding device parts and the shielding device bottom plate are matched and installed.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a small-size shield of anti-jamming signal, includes shielding housing, shielding housing's top fixedly connected with roof, the draw-in groove has been seted up in the front of roof, intercommunication groove and interface groove have been seted up in shielding housing's front, the interface groove is located the below in intercommunication groove, shielding housing's lower fixed surface is connected with the rubber pad, a plurality of louvre has evenly been seted up at the back of interface inslot wall, the equal fixedly connected with mounting panel of the left and right sides face of shielding housing.
Two threaded mounting holes are formed in the front upper portion of the shielding shell, two through holes are formed in the front upper portion of the shielding shell, a clamping rod is connected in the through holes in a sliding mode, two threaded sleeves are fixedly connected to the upper portion of the back face of the shielding shell, a bolt is connected to the threaded sleeves in an internal thread mode, a spring is connected to the top end of the clamping rod in a clamping mode, and the top end of the spring is connected to the bottom end of the bolt in a clamping mode.
As a further scheme of the utility model: the back of the shielding shell is provided with a groove, and the shielding shell and the top plate are integrally poured.
As a further scheme of the utility model: the shielding shell and the top plate are both made of precise copper materials, and the heat dissipation holes are arranged to be funnel-shaped.
As a further scheme of the utility model: the front of mounting panel is provided with the mounting hole, the bottom of kelly sets up to circular-arc.
As a further scheme of the utility model: the center of the threaded sleeve corresponds to the center of the through hole, and the bottom end of the bolt and the top end of the clamping rod are provided with clamping blocks.
(III) advantageous effects
Compared with the prior art, the utility model has the beneficial effects that:
1. this anti-interference small-size shield of signal, through setting up the kelly, a spring, threaded sleeve and bolt, the cooperation setting of spring and bolt, the kelly of being convenient for is installed, simultaneously stretch out for a long time when the kelly, can make kelly internal contraction through compression spring, thereby avoid leading to shielding shell and shield bottom plate installation to have the gap because of the kelly overlength, avoid reducing the signal shielding effect, and the setting of two kellies, can assist shielding shell to install the location, guarantee shielding shell mounted position's accuracy, thereby guarantee shielding shell can laminate closely with the shield bottom plate, make this device can paste and surely install on equipment communication interface, install seamless, thereby effectively play anti-interference and shielding external signal invasion's effect in output input data.
2. This anti-interference small-size shielding ware of signal, through setting up shielding housing, louvre and recess, because shielding housing adopts accurate copper product, not only possess good signal shielding function, also possess good heat-conduction ability simultaneously, thereby cooperation louvre and recess are removed fast because the heat that inner line produced when using this device, thereby guarantee interface inslot temperature keeps suitable, avoid the damage of internally mounted circuit, the louvre sets up to leaking hopper-shaped simultaneously, can effectively ensure shielding housing's seal, thereby guarantee signal shielding effect.
3. This anti-interference small-size shielding ware of signal through setting up screw thread mounting hole and mounting panel, makes this device can install on the shielding ware bottom plate through screw fast and stable's cooperation, because screw thread mounting hole and mounting panel are located shielding shell's four corners department respectively to can form effective location to shielding shell for a long time after the installation, thereby avoid appearing offset between shielding shell and the shielding ware bottom plate, ensure the stability of this device long-term installation.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a rear view of the present invention;
FIG. 4 is a schematic sectional view of the clamping bar of the present invention;
in the figure: 1 shielding shell, 2 top plates, 3 clamping grooves, 4 communicating grooves, 5 interface grooves, 6 rubber pads, 7 heat dissipation holes, 8 mounting plates, 9 threaded mounting holes, 10 through holes, 11 clamping rods, 12 threaded sleeves, 13 bolts, 14 springs and 15 grooves.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 4, the present invention provides a technical solution: the utility model provides a small-size shielding ware of anti-jamming signal, including shielding shell 1, shielding shell 1's top fixedly connected with roof 2, draw-in groove 3 has been seted up in the front of roof 2, intercommunication groove 4 and interface slot 5 have been seted up in shielding shell 1's front, shielding shell 1's setting, shielding shell 1 adopts accurate copper product matter, not only possess good signal shielding function, also possess good heat-conduction ability simultaneously, thereby cooperation louvre 7 and recess 15 are gone when using this device because the heat that the inner line produced dispels fast, thereby guarantee that the temperature keeps suitable in the interface slot 5, interface slot 5 is located the below of intercommunication groove 4, shielding shell 1's lower fixed surface is connected with rubber pad 6, a plurality of 7 has evenly been seted up at the back of interface slot 5 inner wall, the equal fixedly connected with mounting panel 8 of the left and right sides face of shielding shell 1.
Two threaded mounting holes 9 are formed in the front upper portion of a shielding shell 1, two through holes 10 are formed in the front upper portion of the shielding shell 1, clamping rods 11 are connected in the through holes 10 in a sliding mode, the clamping rods 11 are arranged to assist the shielding shell 1 in mounting and positioning, accuracy of mounting positions of the shielding shell 1 is guaranteed, and therefore the shielding shell 1 can be closely attached to a bottom plate of a shielding device, the device can be closely mounted on a communication interface of equipment and is seamless in mounting, anti-interference and external signal invasion shielding effects can be effectively achieved when input data are output, two threaded sleeves 12 are fixedly connected to the upper portion of the back of the shielding shell 1, bolts 13 are connected to the threaded sleeves 12 in a threaded mode, springs 14 are clamped at the top ends of the clamping rods 11, the springs 14 are arranged in a matched mode with the bolts 13, the clamping rods 11 can be conveniently mounted, and when the clamping rods 11 extend out for a long time, can make kelly 11 inwards shrink through compression spring 14 to avoid reducing signal shielding effect because of kelly 11 overlength leads to shielding shell 1 and shielding ware bottom plate installation to have the gap, spring 14's top and bolt 13's bottom joint.
Specifically, as shown in fig. 3, the back of the shielding shell 1 is provided with a groove 15, the shielding shell 1 and the top plate 2 are cast in an integrated manner, the shielding shell 1 and the top plate 2 are both made of precise copper materials, the heat dissipation holes 7 are arranged in a funnel shape, the diameter of one end of each heat dissipation hole 7 located at the back of the shielding shell 1 is smaller, and therefore the heat dissipation effect is effectively improved while the shielding effect of the shielding shell 1 is guaranteed.
Specifically, as shown in fig. 1 and 4, the front of mounting panel 8 is provided with the mounting hole, and the bottom of kelly 11 sets up to circular-arcly, sets up to circular-arcly through the bottom with kelly 11, makes kelly 11 possess the function of automatically regulated position, and the quick accurate cooperation joint of being convenient for is on the shielding ware bottom plate, and threaded sleeve 12 central point puts and through-hole 10 central point puts correspondingly, and the bottom of bolt 13 all is provided with the joint piece with the top of kelly 11.
The working principle of the utility model is as follows:
when the device is needed to be used, the device corresponds to the corresponding position of the bottom plate of the shielding device, auxiliary positioning is carried out through the two clamping rods 11, after the two clamping rods 11 are matched and clamped into the corresponding positions of the bottom plate of the shielding device, the clamping rods 11 can extrude the springs 14, the clamping rods 11 shrink backwards, the front face of the shielding shell 1 can be tightly matched with the bottom plate of the shielding device, and finally the device can be matched and fixedly installed on the bottom plate of the shielding device through screws to be normally used.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (5)
1. A small-size shielding ware of signal anti-jamming, includes shielded enclosure (1), its characterized in that: the top end of the shielding shell (1) is fixedly connected with a top plate (2), the front face of the top plate (2) is provided with a clamping groove (3), the front face of the shielding shell (1) is provided with a communicating groove (4) and an interface groove (5), the interface groove (5) is positioned below the communicating groove (4), the lower surface of the shielding shell (1) is fixedly connected with a rubber pad (6), the back face of the inner wall of the interface groove (5) is uniformly provided with a plurality of radiating holes (7), and the left side face and the right side face of the shielding shell (1) are both fixedly connected with mounting plates (8);
two screw thread mounting holes (9) have been seted up to shielding casing (1) positive top, two through-holes (10) have been seted up to shielding casing (1) positive top, sliding connection has kelly (11) in through-hole (10), two threaded sleeve (12) of top fixedly connected with at the shielding casing (1) back, threaded sleeve (12) female connection has bolt (13), the top joint of kelly (11) has spring (14), the top of spring (14) and the bottom joint of bolt (13).
2. A signal tamper resistant miniature shield according to claim 1, wherein: the back of the shielding shell (1) is provided with a groove (15), and the shielding shell (1) and the top plate (2) are integrally poured.
3. A signal tamper resistant miniature shield according to claim 1, wherein: shielding shell (1) and roof (2) all set up to accurate copper product matter, louvre (7) set up to leaking hopper-shaped.
4. A signal tamper resistant miniature shield according to claim 1, wherein: the front of mounting panel (8) is provided with the mounting hole, the bottom of kelly (11) sets up to circular-arc.
5. A signal tamper resistant miniature shield according to claim 1, wherein: the central position of the threaded sleeve (12) corresponds to the central position of the through hole (10), and the bottom end of the bolt (13) and the top end of the clamping rod (11) are both provided with clamping blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121650193.7U CN215500325U (en) | 2021-07-20 | 2021-07-20 | Small-sized shielding device with anti-interference signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121650193.7U CN215500325U (en) | 2021-07-20 | 2021-07-20 | Small-sized shielding device with anti-interference signal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215500325U true CN215500325U (en) | 2022-01-11 |
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ID=79728048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121650193.7U Active CN215500325U (en) | 2021-07-20 | 2021-07-20 | Small-sized shielding device with anti-interference signal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215500325U (en) |
-
2021
- 2021-07-20 CN CN202121650193.7U patent/CN215500325U/en active Active
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