CN210927646U

CN210927646U - Wireless signal shielding device

Info

Publication number: CN210927646U
Application number: CN201922401043.1U
Authority: CN
Inventors: 张荷丽
Original assignee: HEFEI CHUANGZHAO ELECTRONIC TECHNOLOGY CO LTD
Current assignee: HEFEI CHUANGZHAO ELECTRONIC TECHNOLOGY CO LTD
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-07-03
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a wireless signal shielding device, including the main casing body and shielding device, the interior top of the main casing body is equipped with the opening, rotate through the pivot in the opening and be connected with the baffle, the baffle is kept away from pivot one end and is passed through locking screw fixed connection with the inner wall of opening, be equipped with the installing port on the inside wall of the main casing body, fixedly connected with suction fan in the installing port, the one end slip of installing port is inserted and is equipped with first dust screen, the top fixedly connected with fixed stopper of first dust screen, the interior top and the outside extension of installing port are run through to the one end of fixed stopper, the one end slip of fixed stopper extension is inserted and is equipped with the kelly, the top fixedly connected with of the main casing body and the fixture block that the kelly corresponds, be equipped with the draw-in groove that. The utility model discloses a many places dustproof construction's setting has promoted the dustproof ability of shielding ware to the life of shielding ware has been promoted.

Description

Wireless signal shielding device

Technical Field

The utility model relates to a shield technical field especially relates to a wireless signal shield.

Background

The signal shielding device is mainly used in various special places, such as places where mobile phones are forbidden, such as schools, gas stations, libraries, conference centers (rooms), finance, prisons, public security, military heavy places and the like. When the mobile phone works, the mobile phone is connected with the base station through radio waves, data and sound transmission is completed in a certain baud rate and modulation mode, aiming at the communication principle of the mobile phone, the signal shielding device scans from the low-end frequency of a forward channel to the high-end frequency at a certain speed in the working process, and the scanning speed can form messy code interference in a message signal received by the mobile phone, so that the mobile phone cannot detect normal data sent from the base station, the mobile phone cannot be connected with the base station, and the communication function cannot be realized.

However, the external structure of the existing shielding device is simpler, and the dustproof effect of the shielding device is poorer, so that the service life of the shielding device is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the dustproof effect of the shielding device is relatively poor and providing a wireless signal shielding device in the prior art that the external structure of the shielding device is relatively simple.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a wireless signal shielding device comprises a main shell and a shielding device, wherein an opening is formed in the inner top of the main shell, a baffle is rotatably connected in the opening through a rotating shaft, one end, far away from the rotating shaft, of the baffle is fixedly connected with the inner wall of the opening through a locking screw, an installation opening is formed in the inner side wall of the main shell, an air suction fan is fixedly connected in the installation opening, a first dustproof net is slidably inserted into one end of the installation opening, a fixed plug is fixedly connected to the top of the first dustproof net, one end of the fixed plug penetrates through the inner top of the installation opening and extends outwards, a clamping rod is slidably inserted into the extending end of the fixed plug, a clamping block corresponding to the clamping rod is fixedly connected to the top of the main shell, a clamping groove corresponding to the clamping rod is formed in the clamping block, a clamping sleeve is fixedly connected to one end, close to the clamping block, of, the inner wall of the main shell body, which is far away from one side of the mounting opening, is provided with a vent, and a second dustproof net is fixedly inserted in the vent.

Preferably, the rotating shaft is sleeved with a torsion spring, and two ends of the torsion spring are respectively connected with the baffle and the inner wall of the through hole.

Preferably, the clamping rod is sleeved with a first spring, and two ends of the first spring are fixedly connected with the clamping sleeve and the locking block respectively.

Preferably, the interior bottom of installing port is equipped with the slot that corresponds with first dust screen, there is the backing plate through second spring coupling in the slot, the top and the first dust screen counterbalance of backing plate.

Preferably, a grid plate is fixedly inserted into one side of the mounting port, which is far away from the first dust screen.

Preferably, a plurality of foot pads are fixedly connected to the bottom of the main housing.

The utility model discloses in, first dust screen, the setting of first dust screen and grid plate, the dustproof ability of the main casing body has all been strengthened, when needs are cleared up first dust screen, take the kelly out earlier, then take first dust screen out through the fixed stopper, when needs are cleared up the main casing internal, unscrew locking screw earlier and then open the baffle and clear up the main casing internal, torque spring can play certain torsion to the baffle and support simultaneously, first spring can the kelly play certain elasticity traction. The utility model discloses a many places dustproof construction's setting has promoted the dustproof ability of shielding ware to the life of shielding ware has been promoted.

Drawings

Fig. 1 is a schematic structural diagram of a wireless signal shielding device according to the present invention;

fig. 2 is a schematic structural view of a portion a of fig. 1.

In the figure: the device comprises a main shell 1, a shield 2, a rotating shaft 3, a baffle 4, a locking screw 5, a suction fan 6, a first dustproof net 7, a fixing plug 8, a clamping rod 9, a clamping block 10, a clamping sleeve 11, a pull rod 12, a second dustproof net 13, a first spring 14, a second spring 15, a base plate 16, a grid plate 17 and a foot pad 18.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a wireless signal shielding device comprises a main housing 1 and a shielding device 2, wherein an opening is formed in the top of the main housing 1, a baffle 4 is rotatably connected in the opening through a rotating shaft 3 to protect the shielding device 2, one end, far away from the rotating shaft 3, of the baffle 4 is fixedly connected with the inner wall of the opening through a locking screw 5, the baffle 4 is conveniently fixed, a mounting opening is formed in the inner side wall of the main housing 1, an air suction fan 6 is fixedly connected in the mounting opening to dissipate heat of the shielding device 2, a first dust screen 7 is slidably inserted into one end of the mounting opening to prevent dust from entering the main housing 1, and a fixing plug 8 is fixedly connected to the top of the first dust screen 7 and used for fixing the first dust;

the utility model discloses in, the one end of fixed stopper 8 runs through the interior top of installing port and outwards extends, the one end that fixed stopper 8 extends is slided and is inserted and be equipped with kelly 9, be used for fixed stopper 8, the top fixedly connected with of the main casing body 1 and the fixture block 10 that kelly 9 corresponds, be used for fixed kelly 9, be equipped with the draw-in groove that corresponds with kelly 9 on the fixture block 10, the fixed cover of one end that kelly 9 is close to fixture block 10 has connect cutting ferrule 11, prevent that kelly 9 from droing from fixed stopper 8, the one end fixedly connected with pull rod 12 of cutting ferrule 11 is kept away from to kelly 9, conveniently spur kelly 9, main casing body 1 keeps away from and is equipped with the vent on the inner wall of installing port one side, the fixed inserting of vent.

The utility model discloses in, the cover is equipped with torque spring in pivot 3, torque spring's both ends respectively with the interior wall connection of baffle 4 and opening, play certain torque support to baffle 4, the cover is equipped with first spring 14 on the kelly 9, first spring 14's both ends respectively with cutting ferrule 11 and fixed stopper 8 fixed connection, play certain elastic support to kelly 9, the interior bottom of installing port is equipped with the slot that corresponds with first dust screen 7, be connected with backing plate 16 through second spring 15 in the slot, the top and the first dust screen 7 of backing plate 16 offset, play certain elastic support to first dust screen 7, one side fixed inserting that first dust screen 7 was kept away from to the installing port is equipped with grid plate 17, prevent that the dust from getting into main casing body 1, a plurality of callus on the sole 18 of bottom fixedly connected with of main casing body 1, play certain supporting role to main casing body 1.

The utility model discloses in, first dust screen 7, first dust screen 13 and grid plate 17's setting, the dustproof ability of the main casing body 1 has all been strengthened, when needs are cleared up first dust screen 7, take kelly 9 out earlier, then take first dust screen 7 out through fixed stopper 8, when needs are cleared up in the main casing body 1, unscrew locking screw 5 earlier and then open baffle 4 and clear up in the main casing body 1, torque spring can play certain torsion to baffle 4 simultaneously and support, first spring 14 can play certain elasticity traction effect by kelly 9.

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

1. A wireless signal shielding device comprises a main shell (1) and a shielding device (2), and is characterized in that a through hole is formed in the inner top of the main shell (1), a baffle (4) is rotatably connected in the through hole through a rotating shaft (3), the baffle (4) is fixedly connected with the inner wall of the through hole, far away from one end of the rotating shaft (3), through a locking screw (5), the inner side wall of the main shell (1) is provided with a mounting hole, an air suction fan (6) is fixedly connected in the mounting hole, one end of the mounting hole is slidably inserted with a first dust screen (7), the top of the first dust screen (7) is fixedly connected with a fixing plug (8), one end of the fixing plug (8) penetrates through the inner top of the mounting hole and extends outwards, a clamping rod (9) is slidably inserted into the extending end of the fixing plug (8), the top of the main shell (1) is fixedly connected with a clamping block (10) corresponding to the clamping rod (9, be equipped with the draw-in groove that corresponds with kelly (9) on fixture block (10), the fixed cover of one end that kelly (9) is close to fixture block (10) has connect cutting ferrule (11), one end fixedly connected with pull rod (12) of cutting ferrule (11) are kept away from in kelly (9), main casing body (1) is kept away from and is equipped with the vent on the inner wall of installing port one side, the internal fixation of vent is inserted and is equipped with second dust screen (13).

2. The wireless signal shielding device according to claim 1, wherein the rotating shaft (3) is sleeved with a torsion spring, and two ends of the torsion spring are respectively connected with the baffle (4) and the inner wall of the through opening.

3. The wireless signal shielding device according to claim 1, wherein the clamping rod (9) is sleeved with a first spring (14), and two ends of the first spring (14) are respectively fixedly connected with the clamping sleeve (11) and the fixing plug (8).

4. The wireless signal shielding device according to claim 1, wherein a slot corresponding to the first dust screen (7) is formed in the inner bottom of the mounting opening, a backing plate (16) is connected to the slot through a second spring (15), and the top of the backing plate (16) abuts against the first dust screen (7).

5. A radio signal shielding device according to claim 1, wherein a grid plate (17) is fixedly inserted into the side of the mounting opening away from the first dust screen (7).

6. A radio signal shield as claimed in claim 1, characterized in that a plurality of foot pads (18) are fixedly connected to the bottom of the main housing (1).