CN214413285U

CN214413285U - Structure shell special for digital television signal circuit board

Info

Publication number: CN214413285U
Application number: CN202121794453.8U
Authority: CN
Inventors: 丁加清
Original assignee: Foshan Kanshang Electric Co ltd
Current assignee: Foshan Kanshang Electric Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2021-10-15
Anticipated expiration: 2031-08-03

Abstract

The utility model discloses a structure shell of digital television signal circuit board is exclusively used in, include: the plug-in column piece is arranged below the inner shell and comprises a fixing hole and an outer buckle, the fixing pieces are respectively arranged on two sides of the plug-in column piece and comprise a convex buckle and a top plate, and the connection mouth is arranged on the left side of the inner shell and comprises a fixing ring and a lantern ring; the shell, the outside of inner shell is located to the shell, has included knot limit and drumhead, the face end of shell is located to the drumhead, has included the buffering knot, detain the limit and establish around the drumhead, and not interconnect. The utility model discloses a structural shell of digital television signal circuit board is exclusively used in, compares with prior art, the utility model discloses simple structure easily prepares, through two sets of fixed knot construct, makes its and external piece fixed connection, and its solidity and compactness and messenger holistic structural nature are better.

Description

Structure shell special for digital television signal circuit board

Technical Field

The utility model belongs to the technical field of the circuit board accessory and specifically relates to a structure shell of digital television signal circuit board is exclusively used in.

Background

DVB-T2 is a second generation European digital terrestrial television broadcast transmission standard, and the highest TS stream transmission rate supported in the 8MHz spectrum bandwidth is about 50.1Mbit/s (e.g. including empty packets which may be removed, the highest TS stream transmission rate can reach 100 Mbit/s);

DVB-T2, further divided into three subdivision guidelines DVB-T2 SPLP (Single PLP) and DVB-T2 MPLP (Multi PLP) and T2-MI. The DVB-T2 SPLP (Single PLP) is the most used one by users, and a TS test code stream can be loaded in the mode for testing by clients; the mode is also DVB-T2 MPLP (multiple PLPs), the number of clients used in the mode is small, PLP0, PLP1, PLP2, PLP3, PLP4 and the like can be loaded, each PLP can be loaded with a test code stream, the method is suitable for being used when a client tests multiple code streams simultaneously, and the sum of the code rates of the multiple code streams cannot exceed the maximum code rate of the DVB-T2 global protocol standard, otherwise, the phenomena of pause and mosaic can occur; the last T2-MI, T2-MI, is a special test mode, parameters in the code stream of the T2-MI are fixed, the parameters cannot be adjusted like other code streams, and a receiving end can normally receive and decode signals only when the code stream of the T2-MI is in a T2-MI standard; the other DVB-S2, DvB-T, ISDB-T, ATSC and DVB-S are controlled under the mainboard to operate;

based on this, for the combination between the circuit boards, all through the crossing lock between the board, and cooperate the tin point to fix, however such operation, very easily causes the damage of device and PCB board, has proposed a structure shell of the signal circuit board of special use digital television from this.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a be exclusively used in digital television signal circuit board's structure shell for solve the above-mentioned problem that proposes.

The utility model discloses a following technical scheme of purpose accessible realizes:

a structural shell particularly useful for digital television signal wiring boards, comprising:

the plug-in column piece is arranged below the inner shell and comprises a fixing hole and an outer buckle, the fixing pieces are respectively arranged on two sides of the plug-in column piece and comprise a convex buckle and a top plate, and the connection mouth is arranged on the left side of the inner shell and comprises a fixing ring and a lantern ring;

the shell, the outside of inner shell is located to the shell, has included knot limit and drumhead, the face end of shell is located to the drumhead, has included the buffering knot, detain the limit and establish around the drumhead, and not interconnect.

Further, the inner shell, the outer shell and the connecting mouth are all made of metal materials.

Further, the connection mouth may be a threaded connection mouth or a sleeve connection mouth.

Further, the fixing sheet is a discrete type fixing sheet.

Furthermore, the inner shell is also provided with an anti-contact elastic sheet.

The utility model has the advantages that:

the utility model discloses a structural shell of digital television signal circuit board is exclusively used in, compares with prior art, the utility model discloses simple structure easily prepares, places with the mode of lying immediately, through two sets of fixed knot construct, makes its and external piece fixed connection, and its solidity and compactness and messenger holistic structural nature are better.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 the structures shown in the drawings without creative efforts.

Fig. 1 is one of the overall structural diagrams of the present invention.

Fig. 2 is a second schematic view of the overall structure of the present invention.

Fig. 3 is a third schematic view of the overall structure of the present invention.

Fig. 4 is a fourth schematic view of the overall structure of the utility model.

Fig. 5 is a fifth schematic view of the overall structure of the utility model.

Fig. 6 is a second embodiment of the overall structure diagram of the utility model.

Fig. 7 is one of the schematic structural diagrams of the plug-in post of the utility model.

Fig. 8 is a schematic structural view of a connection nozzle of the utility model.

Fig. 9 is a second schematic structural view of the plug-in post of the present invention.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

According to fig. 1-9:

the inner casing 1, the inner casing 1 is provided with an inserting column 11, a fixing plate 12 and a connection mouth 13, the inserting column 11 is arranged below the inner casing 1 and includes a fixing hole 111 and an outer buckle 112, in this embodiment, the inserting column 11 and the inner casing 1 are designed in a matching way, the fixing hole 111 is used for fixing a positioning column on the inner casing 1, then, the outer buckle 112 is used for being connected with a buckle hole of the inner casing 1 in a matching way, the fixing plate 12 is respectively arranged at two sides of the inserting column 11 and includes a convex buckle 121 and a top plate 122, in this embodiment, the fixing plate 12 is connected with the inner casing 1 as a whole, wherein the convex buckle 121 is arranged at the surface end of the fixing plate 12 and is used for buckling an external PCB, the top plate 122 is used for fixing and stabilizing the whole structure body by matching with the convex buckle 121, the connection mouth 13 is arranged at the left side of the inner casing 1 and includes a fixing ring 131 and a lantern ring 132, in this embodiment, the connection mouth 13 is fixed by a lantern ring 132, secondly, locking is carried out through a fixing ring 131, finally, the connection mouth 13 is in screw thread switching, the connection mouth 13 is used for external connection and fixation of a circuit, and a through hole is formed inside the connection mouth 13, so that circuit switching is realized;

the shell 2, the outside of inner shell 1 is located to shell 2, has included knot limit 21 and drumhead 22, the face end of shell 2 has been located to drumhead 22, has included buffering knot 221, and in this embodiment, drumhead 22 is bellied drumhead, and the cooperation of being convenient for installs inner shell 1, provides the space, has guaranteed the effect of fan heat, and the last buffering of face end is detained 221 and is had the cushioning effect more, has guaranteed that the inner shell part is not impaired, detain limit 21 and establish around drumhead 22 separately, and not mutually connected, in this embodiment, detain limit 21 branch and locate drumhead 22 around, in order to reach the associativity of its structure, so detain limit 21 and all connect, and the knot limit 21 of every terminal surface also compartment distributes, through such structure, increase the security of this product, and detain limit 21 is the wave.

The inner shell 1, the outer shell 2 and the connection mouth 13 are all made of metal materials, and in this embodiment, are preferably configured as metal materials.

The connection mouth 13 may be a threaded connection mouth or a sleeve connection mouth, and in this embodiment, as shown in fig. 1 and 6, the connection mouth 13 may be changed or replaced according to different external components, so that the adaptability and flexibility are stronger.

The anchor sheet 12 is a discrete anchor sheet, and in this embodiment, is preferably configured to be discrete, so that it can be easily folded on a part of the outer joint sheet, and is more adaptable and easy to install.

The inner shell 1 is further provided with a contact-preventing elastic sheet 14, in the embodiment, the contact-preventing elastic sheet 14 is beneficial to buffering the PCB arranged in the inner shell, and the damage caused by falling can be avoided.

In this embodiment, the inner shell is formed by matching a bottom shell and a face shell.

In this embodiment, the inner shell 1 and the outer shell 2 are connected by a screw groove or a slide fastener.

In this embodiment, the inner shell is provided with a limit pin and a bolt fixing column for fixedly connecting the built-in PCB.

In the present embodiment, as shown in fig. 8, the detachable external workpiece connection nozzle 13 is preferably configured and can be applied to an integrated connection nozzle connected to the inner housing as required.

In this embodiment, the plug post 11 is replaced according to different lines, and the plug post 11 is not limited to a vertical pin and may be a 90 ° plug post, as shown in fig. 9.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. A structural shell particularly useful for digital television signal wiring boards, comprising:

2. A structural casing dedicated to digital television signal circuit boards, according to claim 1, wherein: the inner shell, the outer shell and the connecting mouth are all made of metal materials.

3. A structural casing dedicated to digital television signal circuit boards, according to claim 1, wherein: the connection mouth can be a threaded connection mouth or a sleeve connection mouth.

4. A structural casing dedicated to digital television signal circuit boards, according to claim 1, wherein: the fixing sheet is a discrete fixing sheet.

5. A structural casing dedicated to digital television signal circuit boards, according to claim 1, wherein: the inner shell is also provided with an anti-contact elastic sheet.