CN216413426U

CN216413426U - DDS frequency conversion type digital broadband scanning signal shielding device

Info

Publication number: CN216413426U
Application number: CN202123114784.5U
Authority: CN
Inventors: 吕勇; 王�义
Original assignee: Eastlonge Electronics Hk Co ltd
Current assignee: Eastlonge Electronics Hk Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-04-29
Anticipated expiration: 2031-12-10

Abstract

The utility model belongs to the field of electronic equipment, in particular to a DDS (direct digital synthesizer) frequency conversion type digital broadband scanning signal shielding device, which comprises a shielding device body and an antenna arranged on the surface of the shielding device body, wherein a locking frame is arranged on the outer surface of the shielding device body, a power line connector is arranged in the locking frame, a fixed reinforcing cavity is arranged in the locking frame, a reinforcing plate is arranged in the reinforcing cavity, the reinforcing plate is connected with the locking frame through a reinforcing spring, an adjusting plate is fixed on the outer surface of the reinforcing plate, a clamping plate is fixed at the end part of the adjusting plate, and the locking frame is connected with the shielding device body through a fixing bolt; through pressing power connection, can lead to the fact the extrusion to regulating plate, gusset plate to lead to the fact the extrusion to reinforcing spring, realize the fixed to power line joint, and fix locking frame, regulating plate on the surface of shielding ware through fixing bolt, improve fixed effect, prevent that power line joint from appearing not hard up.

Description

DDS frequency conversion type digital broadband scanning signal shielding device

Technical Field

The utility model relates to the field of electronic equipment, in particular to a DDS (direct digital synthesizer) variable-frequency digital broadband scanning signal shielding device.

Background

As a novel information safety product, the DDS frequency conversion type digital broadband scanning signal shielding device forms an electric fence network in a place needing protection by using a specific electromagnetic signal, so that a mobile phone cannot be connected to a base station and cannot be connected with the base station, thereby eliminating the negative influence generated by the mobile phone, playing the role of safety protection, and needing to install a power line before the signal shielding device is used, and providing a power supply for the signal shielding device.

When a power line of the existing signal shielding device is installed, a power line connector is usually inserted into a power line interface, the operation is simple, but the power line cannot be well fixed only by clamping between the power line connector and the power line interface, when the power line is pulled, the power line is easily separated from the signal shielding device, and the normal use of the signal shielding device is affected; therefore, the DDS frequency conversion type digital wideband scan signal mask is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to make up for the deficiencies of the prior art and solve the problems in the background art, the utility model provides a DDS frequency conversion type digital broadband scanning signal shielding device.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the DDS frequency conversion type digital broadband scanning signal shield comprises a shield body and an antenna arranged on the surface of the shield body, wherein a locking frame is arranged on the outer surface of the shield body, a power line connector is arranged inside the locking frame, a fixed reinforcing cavity is formed in the locking frame, a reinforcing plate is arranged inside the reinforcing cavity, the reinforcing plate is connected with the locking frame through reinforcing springs, the reinforcing springs are uniformly and symmetrically arranged on the surface of the reinforcing plate, adjusting plates are fixed on the outer surfaces of the reinforcing plates, clamping plates are fixed at the end parts of the adjusting plates, and the locking frame is connected with the shield body through fixing bolts; the power line connector can be effectively prevented from loosening or falling off when the power line is pulled.

Preferably, the surface of the reinforcing plate is embedded with an extrusion air bag, the extrusion air bag is fixedly connected with the reinforcing plate, and the outer surface of the extrusion air bag is attached to the surface of the power line connector; and then can improve the fixed effect to the power cord connects, prevent not hard up.

Preferably, an anti-slip layer is fixed on the outer surface of the adjusting plate, the anti-slip layer is wavy, and the anti-slip layer is a flexible rubber layer; the friction force between the adjusting plate and the power line connector can be increased through the anti-slip layer, and then the fixing effect can be improved.

Preferably, arc-shaped grooves are formed in the surfaces of the reinforcing plate and the adjusting plate, and the power line connector is matched with the arc-shaped grooves; the contact area can be increased, so that the stress area is increased, and the fixing effect can be improved.

Preferably, positioning columns are fixed on the surface of the shielding device body, the positioning columns are symmetrically arranged on the surface of the shielding device body, positioning grooves are formed in the surface of the locking frame, and the positioning columns are matched with the positioning grooves and are installed inside the positioning grooves; through being connected the constant head tank with the reference column is corresponding, realize the location installation to locking frame, the skew phenomenon appears when can avoiding installing locking frame.

Preferably, a winding post is fixed on the surface of the shielding device body, a clamping ring is sleeved on the surface of the winding post, and the clamping ring is fixedly connected with the winding post; the realization is to the rolling of power cord, avoids the power cord to receive in disorder and drags, and then improves the fixed effect that the power cord connects.

Preferably, a protective layer is embedded in the surface of the clamping ring, the protective layer is fixedly connected with the clamping ring, and the protective layer is a flexible rubber pad; the protective layer can avoid the phenomenon of abrasion caused by direct contact of the power line and the clamping ring, and can increase the friction force between the power line and the clamping ring, thereby improving the fixing effect.

Preferably, the surface of the winding post is fixed with convex blocks, the convex blocks are positioned on the surface of the winding post and distributed in an annular array, and the convex blocks are flexible rubber convex blocks; can be increasing the frictional force between wrapping post and the power cord through protruding piece, and then can further improve the fixed effect of power cord.

Preferably, a buckle is fixed on the surface of the shielding device body, a clamping groove is formed in the surface of the buckle, and the clamping groove is arc-shaped; can fix in advance the power cord, prevent that the power cord winding from appearing not hard up phenomenon after on the wrapping post.

Preferably, a fixing column is mounted on the surface of the buckle, and the fixing column is in threaded connection with the buckle; the power line can be further fixed, and then the anti-loosening effect of the power line is improved.

The utility model has the advantages that:

1. according to the utility model, the adjusting plate and the reinforcing plate can be extruded by pressing the power connector, so that the reinforcing spring is extruded, the power line connector is fixed, the locking frame and the adjusting plate are fixed on the surface of the shielding device through the fixing bolt, the fixing effect is further improved, and the power line connector is prevented from loosening;

2. according to the utility model, the power line can be wound by winding the power line around the winding post, the power line joint is prevented from being loosened due to pulling of the power line, the power line joint can be further fixed by matching the buckle with the fixing post, and the fixing effect of the power line joint is further improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a perspective view of a signal shield of the present invention;

FIG. 2 is an enlarged schematic view of A of FIG. 1 in accordance with the present invention;

FIG. 3 is a cross-sectional view of the locking frame of the present invention;

FIG. 4 is an enlarged schematic view of B of FIG. 1 in accordance with the present invention;

fig. 5 is a sectional view of the winding post of the present invention.

In the figure: 1. a shield body; 2. an antenna; 3. locking the frame; 4. a power line connector; 5. reinforcing the cavity; 6. a reinforcing plate; 7. reinforcing the spring; 8. an adjusting plate; 9. clamping a plate; 10. fixing the bolt; 11. extruding the air bag; 12. an anti-slip layer; 13. a winding post; 14. a clamping ring; 15. a protective layer; 16. a raised block; 17. buckling; 18. a card slot; 19. fixing a column; 20. a positioning column; 21. and (6) positioning a groove.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the antenna shielding device comprises a shielding device body 1 and an antenna 2 mounted on the surface of the shielding device body 1, wherein a locking frame 3 is mounted on the outer surface of the shielding device body 1, a power line connector 4 is mounted inside the locking frame 3, a fixed reinforcing cavity 5 is formed inside the locking frame 3, a reinforcing plate 6 is arranged inside the reinforcing cavity 5, the reinforcing plate 6 is connected with the locking frame 3 through a reinforcing spring 7, the reinforcing spring 7 is uniformly and symmetrically arranged on the surface of the reinforcing plate 6, an adjusting plate 8 is fixed on the outer surface of the reinforcing plate 6, a clamping plate 9 is fixed on the end of the adjusting plate 8, and the locking frame 3 is connected with the shielding device body 1 through a fixing bolt 10; before the shielding device body 1 is used, a power line needs to be connected with the shielding device, a user firstly corresponds the power line connector 4 to the locking frame 3 and presses the power line connector, the adjusting plate 8 and the reinforcing plate 6 are extruded in the pressing process, and then the reinforcing spring 7 is extruded until the power line connector 4 passes through the locking frame 3 and is connected with the shielding device body 1, then the locking frame 3 corresponds to the shielding device body 1, and the fixing bolt 10 passes through the adjusting plate 8 and the locking frame 3, so that the locking frame 3 is fixed, the fixing of the power line connector 4 is completed, the phenomenon that the power line connector 4 is loosened or falls off when the power line is pulled can be effectively prevented, when the power line connector 4 needs to be disassembled, the fixing bolt 10 is firstly disassembled, then the two groups of adjusting plates 8 are pushed outwards, thereby pushing the reinforcing plate 6, making the reinforcing plate 6 extrude the reinforcing spring 7, making the reinforcing plate 6 separate from the power line connector 4, and then separating the power line connector 4 from the shield body 1.

As a specific embodiment of the present invention, an extrusion airbag 11 is embedded in the surface of the reinforcing plate 6, the extrusion airbag 11 is fixedly connected with the reinforcing plate 6, and the outer surface of the extrusion airbag 11 is attached to the surface of the power line connector 4; when utilizing reinforcing plate 6 cooperation reinforcing spring 7 to fix power cord joint 4, reinforcing spring 7 can cause the extrusion to extrusion gasbag 11 when kick-backing reinforcing plate 6, makes extrusion gasbag 11 contact with power cord joint 4, and then can improve the fixed effect to power cord joint 4, prevents to appear not hard up.

As a specific embodiment of the present invention, an anti-slip layer 12 is fixed on an outer surface of the adjusting plate 8, the anti-slip layer 12 is wavy, and the anti-slip layer 12 is a flexible rubber layer; can increase the frictional force between regulating plate 8 and the power cord joint 4 through skid resistant course 12, and then can improve fixed effect, and inoxidizing coating 15 is the wavy extrusion of remembering the nature to inoxidizing coating 15 when fixing power cord joint 4, and then improves fixed effect.

As a specific embodiment of the present invention, arc-shaped grooves are formed on the surfaces of the reinforcing plate 6 and the adjusting plate 8, and the power line connector 4 is adapted to the arc-shaped grooves; the arc wall that gusset plate 6, regulating plate 8 surfaces were seted up can make gusset plate 6, regulating plate 8 contact with power cord joint 4 better, improves area of contact to increase lifting surface area, and then can improve fixed effect.

As a specific embodiment of the present invention, positioning pillars 20 are fixed on the surface of the shield body 1, the positioning pillars 20 are symmetrically arranged on the surface of the shield body 1, positioning grooves 21 are formed on the surface of the locking frame 3, and the positioning pillars 20 are adapted to the positioning grooves 21 and are installed inside the positioning grooves 21; when the locking frame 3 is fixed on the surface of the shielding body 1 by the fixing bolt 10, the positioning groove 21 is correspondingly connected with the positioning column 20, so that the locking frame 3 is positioned and installed, and the phenomenon of position deviation when the locking frame 3 is installed can be avoided.

As a specific embodiment of the present invention, a winding post 13 is fixed on the surface of the shielding body 1, a clamping ring 14 is sleeved on the surface of the winding post 13, and the clamping ring 14 is fixedly connected with the winding post 13; after being connected power cord joint 4 with shield body 1 to connect the power with the other end of power cord, then twine the power cord around wrapping post 13, make it be located between wrapping post 13 and the clamp ring 14, realize the rolling to the power cord, avoid the power cord to receive in disorder and drag, and then improve power cord joint 4's fixed effect.

As a specific embodiment of the present invention, a protective layer 15 is embedded on the surface of the clamping ring 14, the protective layer 15 is fixedly connected with the clamping ring 14, and the protective layer 15 is a flexible rubber pad; when the power cord is wound, the protective layer 15 can prevent the power cord from directly contacting with the clamping ring 14 to cause abrasion, and meanwhile, the friction force between the power cord and the clamping ring 14 can be increased, so that the fixing effect is improved.

As a specific embodiment of the present invention, the surface of the winding post 13 is fixed with the bumps 16, the bumps 16 are located on the surface of the winding post 13 and arranged in an annular array, and the bumps 16 are flexible rubber bumps; the friction between the winding post 13 and the power cord can be increased by the convex block 16, and the fixing effect of the power cord can be further improved.

As a specific embodiment of the present invention, a buckle 17 is fixed on the surface of the shield body 1, a slot 18 is formed on the surface of the buckle 17, and the slot 18 is arc-shaped; before twining the power cord, the user is corresponding with buckle 17 with the power cord earlier, through pressing the power cord, makes it be connected with buckle 17, can fix in advance the power cord, prevents that the power cord from appearing not hard up phenomenon after twining on wrapping post 13.

As a specific embodiment of the present invention, a fixing post 19 is installed on the surface of the buckle 17, and the fixing post 19 and the buckle 17 are in threaded connection; after being connected power cord and buckle 17 again, it is corresponding with buckle 17 through fixed column 19 to thereby it can be further fixed the power cord to rotate fixed column 19, and then improves the locking effect of moving of power cord.

Working principle, when in use, before the shielding device body 1 is used, a power line needs to be connected with the shielding device, a user firstly corresponds the power line connector 4 with the locking frame 3 and presses the power line connector, in the pressing process, the adjusting plate 8 and the reinforcing plate 6 are extruded, and then the reinforcing spring 7 is extruded until the power line connector 4 passes through the locking frame 3 and is connected with the shielding device body 1, then the locking frame 3 corresponds with the shielding device body 1, and the fixing bolt 10 passes through the adjusting plate 8 and the locking frame 3, so that the locking frame 3 is fixed, the fixing of the power line connector 4 is completed, the phenomenon that the power line connector 4 is loosened or falls off when the power line is pulled can be effectively prevented, when the power line connector 4 needs to be disassembled, the fixing bolt 10 is firstly disassembled, and then the two groups of adjusting plates 8 are pushed outwards, thereby pushing the reinforcing plate 6, leading the reinforcing plate 6 to extrude the reinforcing spring 7, leading the reinforcing plate 6 to be separated from the power line connector 4, then separating the power line connector 4 from the shielding body 1, after the power line connector 4 is connected with the shielding body 1, and the other end of the power line is connected with the power supply, a user firstly corresponds the power line with the buckle 17, the power cord is connected with the buckle 17 by pressing, and after the power cord is connected with the buckle 17, the power line can be further fixed by the fixing column 19 corresponding to the buckle 17 and rotating the fixing column 19, then the power cord is wound around the winding post 13 and is positioned between the winding post 13 and the clamping ring 14, so that the power cord is wound, the power cord is prevented from being randomly pulled, thereby improving the fixing effect of the power line connector 4 and preventing the power line connector 4 from loosening.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

DDS frequency conversion formula digit wide band scanning signal shielding ware, its characterized in that: comprises a shielding body (1) and an antenna (2) arranged on the surface of the shielding body (1), the outer surface of the shielding device body (1) is provided with a locking frame (3), the locking frame (3) is internally provided with a power line connector (4), a fixed reinforcing cavity (5) is arranged in the locking frame (3), a reinforcing plate (6) is arranged in the reinforcing cavity (5), the reinforcing plate (6) is connected with the locking frame (3) through a reinforcing spring (7), the reinforcing springs (7) are uniformly and symmetrically arranged on the surface of the reinforcing plate (6), an adjusting plate (8) is fixed on the outer surface of the reinforcing plate (6), a clamping plate (9) is fixed at the end part of the adjusting plate (8), the locking frame (3) is connected with the shielding device body (1) through a fixing bolt (10).
2. The DDS variable frequency digital broadband scanning signal masker of claim 1, wherein: the surface of reinforcing plate (6) is inlayed and is extrudeed gasbag (11), be fixed connection between extrusion gasbag (11) and reinforcing plate (6), the surface of extrusion gasbag (11) is laminated with the surface of power cord joint (4) mutually.
3. The DDS variable frequency digital broadband scanning signal masker of claim 1, wherein: the outer fixed surface of regulating plate (8) has skid resistant course (12), skid resistant course (12) are wavy, skid resistant course (12) are flexible rubber layer.
4. The DDS variable frequency digital broadband scanning signal masker of claim 1, wherein: arc grooves are formed in the surfaces of the reinforcing plate (6) and the adjusting plate (8), and the power line connector (4) is matched with the arc grooves.
5. The DDS variable frequency digital broadband scanning signal masker of claim 1, wherein: the surface mounting of shield ware body (1) has reference column (20), reference column (20) are located the surface of shield ware body (1) and are the symmetry and arrange, constant head tank (21) have been seted up on the surface of locking frame (3), reference column (20) and constant head tank (21) looks adaptation and install in the inside of constant head tank (21).
6. The DDS variable frequency digital broadband scanning signal masker of claim 1, wherein: the surface of the shielding device body (1) is fixed with a winding post (13), the surface of the winding post (13) is sleeved with a clamping ring (14), and the clamping ring (14) is fixedly connected with the winding post (13).
7. The DDS variable frequency digital broadband scan signal masker of claim 6, wherein: the surface of the clamping ring (14) is embedded with a protective layer (15), the protective layer (15) is fixedly connected with the clamping ring (14), and the protective layer (15) is a flexible rubber pad.
8. The DDS variable frequency digital broadband scan signal masker of claim 6, wherein: the surface of the winding post (13) is fixed with convex blocks (16), the convex blocks (16) are arranged on the surface of the winding post (13) in an annular array, and the convex blocks (16) are flexible rubber convex blocks.
9. The DDS variable frequency digital broadband scanning signal masker of claim 1, wherein: the surface of the shielding device body (1) is fixed with a buckle (17), the surface of the buckle (17) is provided with a clamping groove (18), and the clamping groove (18) is arc-shaped.
10. The DDS variable frequency digital broadband scanning signal masker of claim 9, wherein: the surface mounting of buckle (17) has fixed column (19), be threaded connection between fixed column (19) and buckle (17).