CN220652429U - Anti-interference device convenient to installation - Google Patents

Abstract

The utility model discloses an anti-interference device convenient to install, which relates to the technical field of anti-interference devices and comprises an anti-interference device shell, wiring ports and a shell, wherein the wiring ports are arranged on two sides of the anti-interference device shell, the shell is welded on the upper side of the anti-interference device shell, a first cavity is arranged on two sides of the shell, one end of the first cavity is connected with one end of a first spring, and the other end of the first spring is connected with a first installation block. This anti-interference device convenient to installation adopts the cork to connect the wiring mouth for the wiring mouth keeps dry clean, and when the cork used, grabs the connecting block, outside horizontal pulling, rotatory first branch until the cork is parallel with the wiring mouth, forward extrusion connecting block, until the cork is pegged graft with the wiring mouth and accomplish can, make this anti-interference device convenient to installation have solved anti-interference device before not connecting, its connector exposes in the air, is blocked by the dust easily, influences the problem of result of use.

Description

Anti-interference device convenient to installation

Technical Field

The utility model relates to the technical field of anti-interference devices, in particular to an anti-interference device convenient to install.

Background

The coaxial cable is provided with one coaxial outer conductor shielding layer which is electrically conducted with each other, whether the coaxial cable is provided with one layer, two layers or four shielding layers, but the coaxial cable is different in specific structure and thickness, and in practical engineering application, interference sources mainly comprise fluorescent lamp interference, elevator interference, strong electric interference, power generation equipment, frequency conversion equipment, radio transmitting equipment interference and the like, so that interference signals are required to be isolated or eliminated by using anti-interference equipment, clearer signals are obtained, the operation of the equipment is more stable, and an anti-interference device is also required to be used when video signal transmission is carried out.

The anti-interference device is directly connected to the output of the video camera or determines the video signal without interference when in work, the video signal is transmitted by the traditional baseband to be frequency-shifted upwards by 0-6.5MHz, so that the bandwidth reaches 12MHz, thereby avoiding the frequently interfered low frequency band, and the influence of various low-dependent interferences can be fundamentally eliminated because the low frequency part is shifted to the outside of the interference frequency, and the connecting port of the anti-interference device is exposed in the air before the connection is carried out, is easily blocked by dust, and influences the using effect.

Disclosure of Invention

The utility model aims to provide an anti-interference device convenient to install, and aims to solve the problems that a connecting port of the anti-interference device provided by the background art is exposed in the air before connection, is easily blocked by dust and affects the using effect.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an anti-interference device convenient to install comprises an anti-interference device shell, a wiring port and a shell,

the two sides of the anti-interference device shell are provided with wiring ports, the upper side of the anti-interference device shell is welded with a shell, the two sides of the shell are provided with first chambers, one ends of the first chambers are connected with one ends of first springs, the other ends of the first springs are connected with first mounting blocks, the first installation piece is through the one end swing joint of first recess and first branch, the second cavity has been seted up to shell one side symmetry, second cavity bottom is connected with the one end of second spring, the other end of second spring is connected with the second installation piece, the second installation piece passes through the one end swing joint of second recess and second branch.

Preferably, the first support rod and the second support rod are welded with a connecting block at one end far away from the shell, and a soft plug is arranged at one side of the bottom of the connecting block, which is close to the anti-interference device shell.

Preferably, the shell is pi-shaped, the first mounting block and the second mounting block are the same in size, and the first groove and the second groove are the same in size.

Preferably, the top of the connecting block is welded with a circular ring, the top of the circular ring is spliced with the connecting rod through a slotted hole, and the top of the connecting rod is provided with a limiting ball.

Preferably, a limiting block is arranged at the bottom of the connecting rod, and a rubber layer is connected to the bottom of the limiting block.

Preferably, the top of the circular ring is connected with a threaded column through a threaded hole, a handle is arranged on the upper side of the threaded column, and threads are arranged in an opening at the top of the limiting block.

Compared with the prior art, the utility model has the beneficial effects that: this anti-interference device convenient to installation adopts the cork to connect the wiring mouth for the wiring mouth keeps dry clean, and when the cork used, grabs the connecting block, outside horizontal pulling, rotatory first branch until the cork is parallel with the wiring mouth, forward extrusion connecting block, until the cork is pegged graft with the wiring mouth and accomplish can, has solved anti-interference device before not being connected, its connector exposes in the air, is blocked by the dust easily, influences the problem of result of use.

1. The anti-interference device convenient to install obtains clearer signals, so that the operation of an instrument is more stable, a soft plug is adopted to block a wiring port, the wiring port is kept dry and clean, when the soft plug is used, a connecting block is grasped, the soft plug is pulled outwards horizontally, a first support rod is rotated until the soft plug is parallel to the wiring port, the connecting block is extruded forwards until the soft plug is spliced with the wiring port, when the wiring port needs to be connected, the connecting block is grasped and pulled outwards, the connecting block can be loosened by rotating 90 degrees after the soft plug is pulled out, and the connecting block returns to the original position under the action of a first spring.

2. This anti-interference device convenient to installation for keep apart or eliminate interference signal, the cable can take place not hard up condition with wiring mouth lug connection, before cable and wiring mouth dock, rotatory first branch for ring and wiring mouth are parallel, dock with the wiring mouth after pegging graft cable and ring, rotate the handle and revolve screw thread post down, until the stopper compresses tightly the cable, compress tightly the back, first spring inwards pulls first branch, first branch inwards pulls the ring through the connecting block, thereby keep cable and wiring mouth firm connection, be difficult for droing, the anti-interference device convenient to installation adopts the mode that first spring pulled the ring thereby inwards pulled the cable to realize stable connection.

Drawings

FIG. 1 is a schematic top view of the present utility model;

FIG. 2 is a schematic side view cross-sectional structure of the connecting block of the present utility model;

fig. 3 is a schematic diagram of a front view of the connecting block according to the present utility model.

In the figure: 1. an anti-tamper housing; 11. a wiring port; 2. a housing; 21. a first chamber; 22. a first spring; 23. a first mounting block; 24. a first groove; 25. a first strut; 3. a second chamber; 31. a second spring; 32. a second mounting block; 33. a second groove; 34. a second strut; 4. a connecting block; 41. a soft plug; 5. a circular ring; 51. a connecting rod; 52. a limit ball; 53. a limiting block; 54. a rubber layer; 55. a handle; 56. and (5) a threaded column.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: an anti-interference device convenient to install comprises an anti-interference device shell 1, a wiring port 11 and a shell 2,

the wiring mouth 11 is installed to anti-interference device casing 1 both sides, anti-interference device casing 1 upside welding has shell 2, shell 2 both sides are provided with first cavity 21, first cavity 21 one end is connected with the one end of first spring 22, the other end of first spring 22 is connected with first installation piece 23, first installation piece 23 passes through first recess 24 and the one end swing joint of first branch 25, second cavity 3 has been seted up to shell 2 one side symmetry, the one end of second cavity 3 bottom is connected with the one end of second spring 31, the other end of second spring 31 is connected with second installation piece 32, second installation piece 32 passes through the one end swing joint of second recess 33 and second branch 34, the one end that first branch 25 and second branch 34 kept away from shell 2 all welds connecting block 4, the one side that the connecting block 4 bottom is close to anti-interference device casing 1 installs soft plug 41, shell 2 is "pi" style of calligraphy, and first installation piece 23 is the same with second installation piece 32 size, first recess 24 is the same with second recess 33 size.

During implementation, the soft plug 41 is adopted to block the wiring port 11, so that the wiring port 11 is kept dry and clean, when the soft plug 41 is used, the connecting block 4 is grasped, the first spring 22 is pulled outwards horizontally, when the soft plug 41 is pulled outwards horizontally, the first support rod 25 is rotated smoothly through the rotary connection of the first mounting block 23 and the first groove 24 until the soft plug 41 is parallel to the wiring port 11, the connecting block 4 is extruded forwards until the soft plug 41 is spliced with the wiring port 11, when the wiring port 11 needs to be connected, the connecting block 4 is grasped, the connecting block 4 is pulled outwards, the connecting block 4 can be loosened by rotating 90 degrees after the soft plug 41 is pulled out, the connecting block 4 returns to the original position under the action of the first spring 22, the anti-interference device convenient to install is clear in signal, so that the operation of the instrument is more stable, the wiring port 11 is blocked by the soft plug 41, the wiring port 11 is kept dry and clean, and the use of the anti-interference device is convenient.

Referring to fig. 2, the top of the connecting block 4 is welded with a ring 5, the top of the ring 5 is spliced with the connecting rod 51 through a slot, a limit ball 52 is installed at the top of the connecting rod 51, a limit block 53 is installed at the bottom of the connecting rod 51, a rubber layer 54 is connected at the bottom of the limit block 53, the top of the ring 5 is connected with a threaded column 56 through a threaded hole, a handle 55 is installed on the upper side of the threaded column 56, and threads are arranged in an opening at the top of the limit block 53.

In specific implementation, before the cable is abutted with the wiring port 11, the first mounting block 23 is rotationally connected with the first groove 24 to smoothly rotate the first supporting rod 25 until the circular ring 5 is parallel to the wiring port 11, the cable is spliced with the circular ring 5 and then abutted with the wiring port 11, the threaded column 56 is rotated downwards by the rotating handle 55 until the limiting block 53 compresses the cable, the limiting block 53 cannot shift under the action of the connecting rod 51 and the limiting ball 52 to cause limiting inconvenience, after the limiting block 53 is compressed, the first spring 22 pulls the first supporting rod 25 inwards, the first supporting rod 25 pulls the circular ring 5 inwards through the connecting block 4, so that the cable and the wiring port 11 are firmly connected, and the interference resisting device convenient to install is not easy to fall off and used for isolating or eliminating interference signals, and the condition that the cable and the wiring port 11 are directly connected in a stable connection manner that the cable is prevented by pulling the circular ring 5 inwards through the first spring 22 is realized.

In summary, before using the anti-interference device convenient to install, the connection block 4 is grasped and pulled outwards, the soft plug 41 is pulled out and then rotated by 90 degrees to loosen the connection block 4, the cable is spliced with the circular ring 5 and then is butted with the wiring port 11, the connection between the anti-interference device convenient to install and the cable can be completed by limiting the cable by the threaded column 56 and the limiting block 53, and when the anti-interference device works, the video signal is transmitted from the traditional baseband to the frequency of 0-6.5MHz upwards, so that the bandwidth reaches 12MHz, thereby avoiding the frequently interfered low frequency band, and the content which is not described in detail in the specification belongs to the prior art known to the expert in the field.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The utility model provides an anti-interference ware convenient to installation, includes anti-interference ware casing (1), wiring mouth (11) and shell (2), its characterized in that:

the anti-interference device comprises an anti-interference device shell (1), wiring ports (11) are formed in two sides of the anti-interference device shell (1), a shell (2) is welded on the upper side of the anti-interference device shell (1), a first cavity (21) is formed in two sides of the shell (2), one end of the first cavity (21) is connected with one end of a first spring (22), the other end of the first spring (22) is connected with a first mounting block (23), the first mounting block (23) is movably connected with one end of a first supporting rod (25) through a first groove (24), a second cavity (3) is symmetrically formed in one side of the shell (2), one end of a second spring (31) is connected to the bottom end of the second cavity (3), the other end of the second spring (31) is connected with a second mounting block (32), and the second mounting block (32) is movably connected with one end of a second supporting rod (34) through a second groove (33).

2. An tamper-evident structure as defined in claim 1, wherein: the one end that first branch (25) and second branch (34) kept away from shell (2) all welds connecting block (4), one side that is close to anti-interference ware casing (1) bottom connecting block (4) installs cork (41).

3. An tamper-evident structure for facilitating installation as defined in claim 2, wherein: the shell (2) is pi-shaped, the first mounting block (23) and the second mounting block (32) are the same in size, and the first groove (24) and the second groove (33) are the same in size.

4. An tamper-evident structure for facilitating installation as defined in claim 2, wherein: the top of the connecting block (4) is welded with a circular ring (5), the top of the circular ring (5) is spliced with the connecting rod (51) through a slotted hole, and the top of the connecting rod (51) is provided with a limiting ball (52).

5. The tamper-resistant mountable as recited in claim 4, wherein: a limiting block (53) is arranged at the bottom of the connecting rod (51), and a rubber layer (54) is connected to the bottom of the limiting block (53).

6. An tamper-evident structure for facilitating installation as defined in claim 5, wherein: the top of the circular ring (5) is connected with a threaded column (56) through a threaded hole, a handle (55) is arranged on the upper side of the threaded column (56), and threads are arranged in an opening at the top of the limiting block (53).