CN215683121U

CN215683121U - 2G, 3G, 4G and 5G full-frequency-band shielding device

Info

Publication number: CN215683121U
Application number: CN202122071558.7U
Authority: CN
Inventors: 凌亲
Original assignee: Anhui Zhongping Technology Co ltd
Current assignee: Anhui Zhongping Technology Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-01-28
Anticipated expiration: 2031-08-31

Abstract

The utility model discloses a 2G, 3G, 4G and 5G full-frequency-band shielding device which comprises a shielding device body, wherein a cover plate is arranged on one side of the shielding device body, an opening which is the same as the opening in the shielding device body is formed in one side of the shielding device body close to the cover plate, the cover plate is fixedly connected with the shielding device body through bolts, two symmetrically-arranged ventilation openings are formed in the cover plate, dustproof nets are fixedly embedded in the ventilation openings, an installation ring is arranged on one side of the cover plate close to the shielding device body, the installation ring is located in the shielding device body, a fan motor is arranged in the installation ring, fixing rods are fixedly connected to two sides of the fan motor, one end, far away from the fan motor, of each fixing rod is fixedly connected with the inner side wall of the installation ring, and fan blades are fixedly connected to the tail end of an output shaft of the fan motor. According to the utility model, through the arrangement of the adjusting mechanism, the user can realize the dismounting of the cooling fan only by rotating the handle, the flow is simple and rapid, and the cooling fan is beneficial to the maintenance and the overhaul of the cooling fan in the later period.

Description

2G, 3G, 4G and 5G full-frequency-band shielding device

Technical Field

The utility model relates to the technical field of shielding devices, in particular to a 2G, 3G, 4G and 5G full-band shielding device.

Background

The mobile phone signal shielding device is mainly used for shielding 2G, 3G, 4G and 5G full frequency bands of mobile phones in places where the 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 heavy places and the like; under the normal condition, the working time of the mobile phone signal shielding device is long, the mobile phone signal shielding device is usually upward in four hours, because the number of parts in the mobile phone signal shielding device is large, the heat dissipation efficiency of the shell of the current mobile phone signal shielding device is not ideal, and after the mobile phone signal shielding device works for a long time, the heat generated in the mobile phone signal shielding device exceeds proper temperature, the parts are easy to damage, and the service life of the mobile phone signal shielding device cannot be guaranteed.

Consequently, radiator fan can be installed to inside most of cell-phone signal shielding ware on the market, and radiator fan content easily accumulates the dust, needs regularly to maintain to overhaul the clearance, and radiator fan generally installs fixedly through a plurality of locking screws, maintains the maintenance in-process at the dismouting, and the flow is very loaded down with trivial details, efficiency is lower, is unfavorable for later maintenance and overhauls.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that a cooling fan in a shielding device is generally installed and fixed through a plurality of locking screws, the process is very complicated, the efficiency is low and the follow-up maintenance and overhaul are not facilitated in the process of disassembly, assembly, maintenance and overhaul, and the shielding device with 2G, 3G, 4G and 5G full frequency bands is provided.

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

A2G, 3G, 4G and 5G full-frequency-band shielding device comprises a shielding device body, wherein a cover plate is arranged on one side of the shielding device body, an opening which is the same as the inner part of the shielding device body is formed in one side, which is close to the cover plate, of the shielding device body, the cover plate is fixedly connected with the shielding device body through bolts, two symmetrically-arranged ventilation openings are formed in the cover plate, a dust screen is fixedly embedded in each ventilation opening, a mounting ring is arranged on one side, which is close to the shielding device body, of the cover plate, the mounting ring is positioned in the shielding device body, a fan motor is arranged in the mounting ring, fixing rods are fixedly connected to the two sides of the fan motor, one end, which is far away from the fan motor, of each fixing rod is fixedly connected with the inner side wall of the mounting ring, fan blades are fixedly connected to the tail end of an output shaft of the fan motor, and two symmetrically-arranged connecting blocks are fixedly connected to one side, which is close to the cover plate, of the mounting ring, one side of the cover plate, which is close to the shielding device body, is provided with a connecting groove corresponding to the connecting block, one end of the connecting block, which is far away from the mounting ring, penetrates through the shielding device body and extends into the connecting groove, the inner side wall of the connecting groove is provided with a sliding groove, a clamping block is connected in the sliding groove in a sliding manner, the side wall of the connecting block is provided with a wedge-shaped clamping groove corresponding to the clamping block, one end of the clamping block penetrates through the sliding groove and extends into the wedge-shaped clamping groove, the other end of the clamping block is inserted with a screw rod, the screw rod is in threaded connection with the clamping block, a mounting groove is arranged in the cover plate and is positioned between the two connecting grooves and the two ventilation openings, a worm wheel is arranged in the mounting groove, one end of the screw rod, which is far away from the clamping block, penetrates through the cover plate and is fixedly connected with the worm wheel, the screw rod is rotatably connected with the cover plate, and a worm meshed with the worm wheel is arranged in the mounting groove, one end of the worm is rotatably connected with the inner side wall of the mounting groove, the other end of the worm penetrates through the cover plate, and the worm is rotatably connected with the cover plate.

Preferably, the worm is rotatably sleeved with two first stabilizing rings, and the two first stabilizing rings are respectively fixed on opposite side walls in the mounting groove.

Preferably, one end of the worm penetrating through the cover plate is fixedly connected with a handle.

Preferably, a rubber pad is fixedly connected to one side of the cover plate close to the shield body.

Preferably, the number of the fixing bars is plural.

Has the advantages that:

1. when in use, the cover plate and the shielding device body are assembled and disassembled through the bolt, when the cooling fan needs to be disassembled, the worm is rotated anticlockwise, the worm drives the screw rod to rotate under the meshing action of the worm and the worm wheel, the screw rod drives the clamping block to be separated from the wedge-shaped clamping groove under the meshing action of the threads, at the moment, the mounting ring can be taken down, the heat dissipation mechanism inside the worm is maintained and overhauled, when the worm is installed, the worm is rotated clockwise, the clamping block is inserted into the wedge-shaped clamping groove, the fixing of the mounting ring can be completed as above, and the details are not repeated here, when working, the power supply of the fan motor is firstly switched on, the general fan motor drives the fan blades to rotate, meanwhile, the inside of the shielding device body is cooled by matching with the ventilation opening, and through the arrangement of the adjusting mechanism, a user only needs to rotate the handle to disassemble and assemble the cooling fan, so that the flow is simple and quick, and the cooling fan is convenient to maintain and overhaul in the later period;

2. through the setting of first stabilizer ring, stability when can improving the worm rotation, through the setting of second stabilizer ring, stability when can improving the screw rod rotation, through the setting of handle, can convenience of customers rotate the worm, through the setting of a plurality of dead levers, can improve fan motor's steadiness.

Drawings

Fig. 1 is a schematic structural diagram of a 2G, 3G, 4G, and 5G full-band shielding apparatus according to the present invention;

fig. 2 is a schematic diagram of an internal structure of a 2G, 3G, 4G, and 5G full-band shielding device according to the present invention;

fig. 3 is a schematic side view of a 2G, 3G, 4G, and 5G full-band shielding cover plate according to the present invention;

fig. 4 is a schematic structural diagram of a position a of the 2G, 3G, 4G, and 5G full-band shielding device according to the present invention.

In the figure: 1-a shield body, 2-a cover plate, 3-a handle, 4-a bolt, 5-a connecting block, 6-a mounting ring, 7-a fan motor, 8-a clamping block, 9-a rubber pad, 10-a fixing rod, 11-a fan blade, 12-a dust screen, 13-a screw rod, 14-a worm wheel, 15-a first stabilizing ring, 16-a second stabilizing ring and 17-a worm.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a 2G, 3G, 4G, 5G full-frequency-band shielding device comprises a shielding device body 1, a cover plate 2 is arranged on one side of the shielding device body 1 and used for closing an opening, an opening identical to the inside of the shielding device body 1 is arranged on one side of the shielding device body 1 close to the cover plate 2, a rubber pad 9 is fixedly connected to one side of the cover plate 2 close to the shielding device body 1 and used for improving the stability between the cover plate 2 and the shielding device body 1, the cover plate 2 is fixedly connected with the shielding device body 1 through a bolt 4, two symmetrically arranged ventilation openings are arranged in the cover plate 2 and used for ventilating and radiating, and a dustproof net 12 is fixedly embedded in each ventilation opening and used for preventing dust;

in the embodiment, a mounting ring 6 is arranged on one side, close to the shielding device body 1, of the cover plate 2 and used for mounting a heat dissipation mechanism, the mounting ring 6 is located in the shielding device body 1, a fan motor 7 is arranged in the mounting ring 6 and used for being matched with the fan blades 11 to dissipate heat of the shielding device body 1, fixing rods 10 are fixedly connected to two sides of the fan motor 7, the number of the fixing rods 10 is multiple and used for improving the stability of the fan motor 7, one end, far away from the fan motor 7, of each fixing rod 10 is fixedly connected with the inner side wall of the mounting ring 6, and the tail end of an output shaft of the fan motor 7 is fixedly connected with the fan blades 11;

in the embodiment, one side of the mounting ring 6, which is close to the cover plate 2, is fixedly connected with two symmetrically arranged connecting blocks 5 to prevent the mounting ring 6 from loosening, one side of the cover plate 2, which is close to the shielding device body 1, is provided with a connecting groove corresponding to the connecting blocks 5, one end of the connecting block 5, which is far away from the mounting ring 6, penetrates through the shielding device body 1 and extends into the connecting groove, the inner side wall of the connecting groove is provided with a sliding groove, a clamping block 8 is slidably connected in the sliding groove to prevent the connecting block 5 from loosening, the side wall of the connecting block 5 is provided with a wedge-shaped clamping groove corresponding to the clamping block 8, and one end of the clamping block 8 penetrates through the sliding groove and extends into the wedge-shaped clamping groove;

in this embodiment, a screw 13 is inserted into the other end of the fixture block 8 to drive the fixture block 8 to move, the screw 13 is in threaded connection with the fixture block 8, a mounting groove is formed in the cover plate 2, the mounting groove is located between the two connecting grooves and the two ventilation openings, a worm wheel 14 is arranged in the mounting groove to drive the screw 13 to rotate, one end of the screw 13, which is far away from the fixture block 8, penetrates through the cover plate 2 and is fixedly connected with the worm wheel 14, the screw 13 is in rotational connection with the cover plate 2, a worm 17 meshed with the worm wheel 14 is arranged in the mounting groove to drive the worm wheel 14 to rotate, one end of the worm 17 is rotationally connected with the inner side wall of the mounting groove, the other end of the worm 17 penetrates through the cover plate 2, and the worm 17 is rotationally connected with the cover plate 2;

in this embodiment, the worm 17 is rotatably sleeved with two first stabilizing rings 15 to improve the stability of the worm 17 during rotation, the two first stabilizing rings 15 are respectively fixed on opposite side walls in the mounting groove, the screw 13 is rotatably sleeved with a second stabilizing ring 16 to improve the stability of the screw 13 during rotation, the second stabilizing ring 16 is fixedly connected with the inner side wall of the mounting groove, and one end of the worm 17 penetrating through the cover plate 2 is fixedly connected with the handle 3 to facilitate the user to rotate the worm 17;

in the embodiment, the cover plate 2 and the shield body 1 are firstly disassembled through the bolt 4, when the cooling fan needs to be disassembled, the worm 17 is firstly rotated anticlockwise, the worm 17 drives the screw 13 to rotate through the meshing effect with the worm wheel 14, the screw 13 drives the fixture block 8 to be separated from the wedge-shaped clamping groove through the meshing effect of the threads, at the moment, the mounting ring 6 can be taken down, the cooling mechanism in the mounting ring is maintained and overhauled, when the worm 17 is rotated clockwise, the fixture block 8 is inserted into the wedge-shaped clamping groove, the mounting ring 6 can be fixed (as far as the above and the description is omitted), when the cooling fan works, the power supply of the fan motor 7 is firstly switched on, the universal fan motor 7 drives the fan blade 11 to rotate, and meanwhile, the ventilation opening is matched to cool the inside of the shield body 1, through the arrangement of the adjusting mechanism, the user can disassemble and assemble the cooling fan only by rotating the handle, the flow is simple and quick, and the maintenance and the overhaul of the cooling fan at the later stage are facilitated.

As described above, each component (component not described in specific structure) selected in the present application is a general standard component or a component known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through a technical manual or through a routine experiment method.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a 2G, 3G, 4G, the full band's of 5G shielding ware, includes shielding ware body (1), its characterized in that: the shielding device comprises a shielding device body (1), wherein a cover plate (2) is arranged on one side of the shielding device body (1), one side, close to the cover plate (2), of the shielding device body (1) is provided with an opening the same as the inside of the shielding device body, the cover plate (2) is fixedly connected with the shielding device body (1) through a bolt (4), two symmetrically arranged ventilation openings are arranged in the cover plate (2), a dust screen (12) is fixedly embedded in each ventilation opening, a mounting ring (6) is arranged on one side, close to the shielding device body (1), of the cover plate (2), the mounting ring (6) is positioned in the shielding device body (1), a fan motor (7) is arranged in the mounting ring (6), fixing rods (10) are fixedly connected to two sides of the fan motor (7), one end, far away from the fan motor (7), of each fixing rod (10) is fixedly connected with the inner side wall of the mounting ring (6), and fan blades (11) are fixedly connected to the tail ends of output shafts of the fan motor (7), one side of the mounting ring (6) close to the cover plate (2) is fixedly connected with two connecting blocks (5) which are symmetrically arranged, one side of the cover plate (2) close to the shielding device body (1) is provided with a connecting groove corresponding to the connecting blocks (5), one end of the connecting block (5) far away from the mounting ring (6) penetrates through the shielding device body (1) and extends into the connecting groove, the inner side wall of the connecting groove is provided with a sliding groove, a clamping block (8) is connected in the sliding groove in a sliding manner, the side wall of the connecting block (5) is provided with a wedge-shaped clamping groove corresponding to the clamping block (8), one end of the clamping block (8) penetrates through the sliding groove and extends into the wedge-shaped clamping groove, the other end of the clamping block (8) is inserted with a screw rod (13), the screw rod (13) is in threaded connection with the clamping block (8), a mounting groove is arranged in the cover plate (2), and the mounting groove is positioned between the two connecting grooves and the two ventilation openings, be equipped with worm wheel (14) in the mounting groove, the one end that fixture block (8) were kept away from in screw rod (13) runs through apron (2) and in worm wheel (14) fixed connection, be connected for rotating between screw rod (13) and apron (2), be equipped with in the mounting groove with worm wheel (14) engaged with worm (17), the one end and the mounting groove inside wall of worm (17) rotate to be connected, the other end of worm (17) runs through apron (2), be connected for rotating between worm (17) and apron (2).

2. The 2G, 3G, 4G, 5G full-band shielding device according to claim 1, wherein: two first stabilizing rings (15) are sleeved on the worm (17) in a rotating mode, and the two first stabilizing rings (15) are fixed on the opposite side walls in the installation groove respectively.

3. The 2G, 3G, 4G, 5G full-band shielding device according to claim 1, wherein: and a second stabilizing ring (16) is sleeved on the screw rod (13) in a rotating manner, and the second stabilizing ring (16) is fixedly connected with the inner side wall of the mounting groove.

4. The 2G, 3G, 4G, 5G full-band shielding device according to claim 1, wherein: and the worm (17) penetrates through one end of the cover plate (2) and is fixedly connected with a handle (3).

5. The 2G, 3G, 4G, 5G full-band shielding device according to claim 1, wherein: one side of the cover plate (2) close to the shielding device body (1) is fixedly connected with a rubber pad (9).

6. The 2G, 3G, 4G, 5G full-band shielding device according to claim 1, wherein: the number of the fixing rods (10) is multiple.