CN210950588U - Portable mobile phone signal shielding instrument - Google Patents
Portable mobile phone signal shielding instrument Download PDFInfo
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- CN210950588U CN210950588U CN201921711082.5U CN201921711082U CN210950588U CN 210950588 U CN210950588 U CN 210950588U CN 201921711082 U CN201921711082 U CN 201921711082U CN 210950588 U CN210950588 U CN 210950588U
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- mobile phone
- phone signal
- bottom plate
- sleeves
- signal shielding
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Abstract
The utility model relates to the technical field of mobile phone signal shielding instruments, in particular to a portable mobile phone signal shielding instrument, wherein, two sides of the upper surface of a bottom plate are fixedly provided with symmetrically arranged telescopic columns through screws, sleeves are arranged right above the telescopic columns, cylindrical grooves are arranged at the bottom ends of the sleeves, each telescopic column is provided with two first threaded holes along the length axis direction, a cylinder body at the bottom of the sleeve is provided with a second threaded hole, the top ends of the telescopic columns are inserted into the corresponding cylindrical grooves and are fixedly connected with the first threaded holes and the second threaded holes through connecting screws, connecting shafts are fixedly arranged on the inner side cylinder bodies at the upper parts of the two sleeves, a shell is rotatably arranged between the two connecting shafts, a triangular wave generator, a voltage-controlled oscillator, a radio frequency power amplifier and a battery are fixedly arranged in the shell, a transmitting antenna is fixedly arranged at the top end, the upper surface of the bottom plate is fixedly provided with a clamping seat matched with the bracket. The utility model has the advantage of convenient carrying.
Description
Technical Field
The utility model relates to a cell-phone signal shields appearance technical field, especially relates to a portable cell-phone signal shields appearance.
Background
The mobile phone signal shielding device is mainly used in places where mobile phones are forbidden, such as various examination rooms, schools, gas stations, churches, courtrooms, libraries, conference centers (rooms), movie theaters, hospitals, governments, finance, prisons, public security, military places and the like. The shielding radius is adjustable, the coverage range reaches more than 30 square meters, and the mobile phone signal shielding device can only shield mobile phone signals and does not affect other electronic equipment. The electric energy is saved, and the power is 12W-480W.
Because the transmission antenna of the shielding instrument points to directly influence the action range of the shielding instrument, the shielding instrument needs to be debugged before being used on site, so that the action range of the shielding instrument can cover the range needing shielding to the maximum extent. Therefore, the posture of the shielding instrument needs to be adjusted to a certain extent in the debugging process, and the posture adjustment of the existing mobile phone signal shielding instrument is mostly realized by borrowing extra supports, so that the shielding instrument needs to carry extra supports in the transportation process, and is very inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that extra support need be relieved to adjust the gesture among the prior art, portable not convenient to carry, and a portable cell-phone signal shielding appearance that provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a portable mobile phone signal shielding instrument is designed, comprising a bottom plate, wherein telescopic columns which are symmetrically arranged are fixedly arranged on two sides of the upper surface of the bottom plate through screws, sleeves are arranged right above the telescopic columns, cylindrical grooves are formed in the bottom ends of the sleeves, each telescopic column is provided with two first threaded holes along the length axis direction, a cylinder body at the bottom of each sleeve is provided with a second threaded hole, the top ends of the telescopic columns are inserted into the corresponding cylindrical grooves and are fixedly connected with the first threaded holes and the second threaded holes through connecting screws, connecting shafts are fixedly arranged on the cylinder body on the inner side of the upper portions of the two sleeves, a shell is rotatably arranged between the two connecting shafts, a triangular wave generator, a voltage-controlled oscillator, a radio frequency power amplifier and a battery are fixedly arranged in the shell, a transmitting antenna is fixedly arranged at the top end of the shell, and a support is fixedly arranged on, and a clamping seat matched with the support is fixedly arranged on the upper surface of the bottom plate.
Preferably, the support includes the fixed plate, casing back lower part fixed mounting has the fixed plate that corresponds the setting, two the equal fixed mounting in fixed plate outside surface has the cylinder, all the cover is equipped with the connecting rod on the cylinder, equal threaded mounting has fastening screw, two on the cylinder outside tip the horizontal pole has been inserted between the connecting rod.
Preferably, the lower surface of the bottom plate is embedded with a rubber non-slip mat
The utility model provides a pair of portable mobile phone signal shielding appearance, beneficial effect lies in: through setting up rotatable casing and support, in the use, can shield the inclination of appearance according to the appropriate adjustment of on-the-spot debugging result to obtain better shielding effect, through the telescopic bottom plate, can withdraw the bottom plate when carrying, thereby reduced the occupation space of shielding the appearance, improved the portability greatly.
Drawings
Fig. 1 is a schematic structural diagram of a portable mobile phone signal shielding instrument according to the present invention;
fig. 2 is a schematic structural diagram of a portable mobile phone signal shielding instrument according to the present invention;
fig. 3 is a schematic structural diagram of a portable mobile phone signal shielding instrument provided by the present invention;
fig. 4 is a schematic view of an installation structure of a telescopic column and a sleeve of the portable mobile phone signal shielding instrument of the present invention;
fig. 5 is a first schematic view of a bracket structure of a portable mobile phone signal shielding instrument provided by the present invention;
fig. 6 is a schematic structural diagram of a bracket of a portable mobile phone signal shielding instrument according to the present invention;
FIG. 7 is a schematic view of a portion of the structure of FIG. 5 at A;
FIG. 8 is a schematic view of a portion of the structure of FIG. 6 at B;
FIG. 9 is a schematic view of a portion of the structure of FIG. 1 at C;
fig. 10 is a schematic view of the internal structure of the housing.
In the figure: the device comprises a bottom plate 1, a telescopic column 2, a sleeve 3, a cylindrical groove 4, a first threaded hole 5, a second threaded hole 6, a connecting screw 7, a connecting shaft 8, a shell 9, a transmitting antenna 10, a support 11, a fixing plate 1101, a cylinder 1102, a connecting rod 1103, a fastening screw 1104, a cross bar 1105, a clamping seat 12, a triangular wave generator 13, a voltage-controlled oscillator 14, a radio frequency power amplifier 15 and a battery 16.
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.
Example 1
Referring to fig. 1-10, a portable mobile phone signal shielding instrument comprises a bottom plate 1, symmetrically arranged telescopic columns 2 are fixedly installed on two sides of the upper surface of the bottom plate 1 through screws, sleeves 3 are respectively arranged right above the telescopic columns 2, cylindrical grooves 4 are respectively formed at the bottom ends of the sleeves 3, two first threaded holes 5 are respectively formed in each telescopic column 2 along the length axis direction, second threaded holes 6 are respectively formed in the bottom barrel of each sleeve 3, the top ends of the telescopic columns 2 are respectively inserted into the corresponding cylindrical grooves 4 and are fixedly connected with the first threaded holes 5 and the second threaded holes 6 through connecting screws 7, connecting shafts 8 are respectively fixedly installed on the inner barrel bodies on the upper portions of the two sleeves 3, a shell 9 is rotatably installed between the two connecting shafts 8, a triangular wave generator 13 and a voltage-controlled oscillator 14 are fixedly installed in the shell 9, a radio frequency power amplifier 15, a battery 16, wherein the battery 16 is a rechargeable battery. The top end of the shell 9 is fixedly provided with a transmitting antenna 10, the back face of the shell 9 is fixedly provided with a support 11, the upper surface of the bottom plate 1 is fixedly provided with a clamping seat 12 matched with the support 11, the triangular wave device 13 is electrically connected with the voltage-controlled oscillator 14, the voltage-controlled oscillator 14 is electrically connected with the radio frequency power amplifier 15, and the radio frequency power amplifier 15 is electrically connected with the transmitting antenna 10.
The utility model discloses when using, twist out connecting screw 7 earlier, then will stretch out and draw back post 2 and pull out recycling connecting screw 7 and fix, according to field device's debugging result afterwards, swing the shielding appearance inclination between two sleeves 3 when appropriate to obtain better shielding effect, when reaching suitable angle, pull out support 11, and with support 11's horizontal pole card on cassette 12, thereby will shield the gesture of appearance main part and fix. When carrying this equipment, can withdraw bottom plate 1 and support 11 to reduce the holistic occupation space of device, more portable.
Example 2
Referring to fig. 1 to 3, as another preferred embodiment of the present invention, the difference from embodiment 1 is that a rubber mat is embedded and installed on the lower surface of the bottom plate 1. The rubber anti-skid pad can increase the friction force between the bottom plate and the ground, thereby improving the stability of the device when being placed.
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 (3)
1. A portable mobile phone signal shielding instrument comprises a bottom plate (1) and is characterized in that two sides of the upper surface of the bottom plate (1) are fixedly provided with symmetrically arranged telescopic columns (2) through screws, sleeves (3) are arranged right above the telescopic columns (2), cylindrical grooves (4) are formed in the bottom ends of the sleeves (3), each telescopic column (2) is provided with two first threaded holes (5) along the length axis direction, a barrel body at the bottom of each sleeve (3) is provided with a second threaded hole (6), the top ends of the telescopic columns (2) are inserted into the corresponding cylindrical grooves (4) and fixedly connected with the corresponding cylindrical grooves (4) through connecting screws (7) matched with the first threaded holes (5) and the second threaded holes (6), connecting shafts (8) are fixedly arranged on the barrel bodies on the inner sides of the upper portions of the two sleeves (3), and a shell (9) is rotatably arranged between the two connecting shafts (8), casing (9) internal fixed mounting has triangle wave generator (13), voltage controlled oscillator (14), radio frequency power amplifier (15), battery (16), casing (9) top fixed mounting has transmitting antenna (10), casing (9) back fixed mounting has support (11), fixed surface installs cassette (12) with support (11) looks adaptation on bottom plate (1).
2. The portable mobile phone signal shielding instrument according to claim 1, wherein the bracket (11) comprises fixing plates (1101), the fixing plates (1101) correspondingly arranged are fixedly installed at the lower portion of the back surface of the housing (9), cylinders (1102) are fixedly installed on the outer side surfaces of the two fixing plates (1101), connecting rods (1103) are sleeved on the cylinders (1102), fastening screws (1104) are installed on the outer ends of the cylinders (1102) in a threaded manner, and a cross rod (1105) is inserted between the two connecting rods (1103).
3. The portable mobile phone signal shielding instrument according to claim 1, wherein a rubber non-slip pad is embedded and mounted on the lower surface of the bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921711082.5U CN210950588U (en) | 2019-10-14 | 2019-10-14 | Portable mobile phone signal shielding instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921711082.5U CN210950588U (en) | 2019-10-14 | 2019-10-14 | Portable mobile phone signal shielding instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210950588U true CN210950588U (en) | 2020-07-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921711082.5U Active CN210950588U (en) | 2019-10-14 | 2019-10-14 | Portable mobile phone signal shielding instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210950588U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114157393A (en) * | 2021-11-08 | 2022-03-08 | 西安电子科技大学 | Indoor mobile communication interference equipment and use method thereof |
| CN116208290A (en) * | 2022-07-04 | 2023-06-02 | 深圳市安卫普科技有限公司 | Recording shielding device |
-
2019
- 2019-10-14 CN CN201921711082.5U patent/CN210950588U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114157393A (en) * | 2021-11-08 | 2022-03-08 | 西安电子科技大学 | Indoor mobile communication interference equipment and use method thereof |
| CN116208290A (en) * | 2022-07-04 | 2023-06-02 | 深圳市安卫普科技有限公司 | Recording shielding device |
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