CN209767687U - Television rear shell mounting structure and television thereof - Google Patents

Abstract

The utility model discloses a TV backshell mounting structure and TV set thereof, TV backshell mounting structure includes: the liquid crystal display comprises a rear shell, a liquid crystal module arranged in the rear shell, and a PCB module and a loudspeaker module which are arranged on the rear shell; the PCB module including can dismantle connect in the casing of backshell and set up in PCB board in the casing, the speaker module including wrap the shell and set up in speaker in the cladding shell, this application makes the backshell can use different materials in a flexible way through separating PCB module and speaker module, because the speaker has solitary sound production cavity, consequently has promoted tone quality to the harmful effects of speaker to PCB board has been reduced.

Description

Television rear shell mounting structure and television thereof

Technical Field

The utility model relates to a TV, more specifically say, it relates to a TV backshell mounting structure and TV set thereof.

Background

At present, in order to further reduce the thickness of a flat panel television, television manufacturers separate a television chip board, a power board and a loudspeaker from a liquid crystal display module backboard, wherein the television chip board, the power board and the loudspeaker are separated and then adopt various modes, but the defects still exist.

One way is to mount all the core board, the power board and the loudspeaker on the back board and then wrap the core board, the power board and the loudspeaker by a large back shell, so that the mounting space is large, but the whole structure and the shape of the television are thick and heavy, the back shell is large in volume, heavy in weight and high in cost, and the injection molding material cannot be used separately.

The other common mode is that the core board, the power board and the loudspeaker are all arranged at the lower part of the back board, so that the installation space is reduced, however, the cover plate required by the power board is different from the cover material required by the loudspeaker, one is made of a flame-retardant material, and the other is made of a common material, so that the mode is wasted in terms of saving rear shell materials. The horn, the movement and the power supply are affected by magnetism, and the cost is increased because the shielding cover is required to be added on the core board of the power supply due to interference of components on the power supply.

Therefore, the prior art still needs to be improved and developed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a TV backshell mounting structure and TV set thereof aims at reaching the purpose that reduces TV backshell manufacturing cost and improve life.

The above technical purpose of the present invention can be achieved by the following technical solutions:

A television backshell mounting structure comprises a liquid crystal module arranged in a television backshell, a PCB module and a loudspeaker module which are arranged on the backshell; the PCB module including can dismantle connect in the casing of backshell and set up in PCB board in the casing, the speaker module including wrap the shell and set up in speaker in the cladding shell.

The television rear shell mounting structure is characterized in that the coating shell comprises mounting cavities arranged on two sides and used for accommodating the loudspeakers, sound insulation parts arranged on two sides and arranged between the mounting cavities, and mounting columns used for fixing the loudspeakers are arranged in the mounting cavities.

The television rear shell mounting structure is characterized in that the sound insulation part comprises sound insulation boards which are arranged in parallel and lead slots which penetrate through the sound insulation boards; the degree of depth of sound-proof part is less than both sides thereby the degree of depth of installation cavity forms the assembly slot part, the casing joint is fixed in the assembly slot part.

The television rear shell mounting structure is characterized in that a riveting column is arranged on the back plate, a first connecting column connected with the riveting column through a fastener is arranged on the shell, and a second connecting column connected with the riveting column through a fastener is arranged on the coating shell.

The television rear shell mounting structure is characterized in that the shell is provided with a wall hanging hole, and the rear shell is provided with a fixing column which penetrates through the wall hanging hole and is used for hanging a television on a wall.

The television rear shell mounting structure is characterized in that a wire outlet hole is formed in the covering shell, and a wiring hole which is connected with the wire outlet hole and used for being connected with a horn wire is formed in the shell.

The television rear shell mounting structure is characterized in that the PCB comprises a core board and a power supply board, and a PCB fixing piece used for fixing the core board and the power supply board is arranged in the shell through a fastening piece.

The television rear shell mounting structure, wherein, the lower extreme of backshell is provided with the support bar, the support bar includes and is on a parallel with the backshell just sets up the baffle of backshell front end, and, the perpendicular to the backshell just sets up the backup pad of backshell lower extreme.

The television rear shell mounting structure is characterized in that the supporting plate is provided with a supporting through hole, and the supporting bar is connected to the rear shell through the supporting through hole by a fastening piece; the lower extreme of cladding shell just moves towards support bar one side is provided with the extension wall, the extension wall set up in between backshell and the backup pad, just be provided with on the extension wall and support the block through-hole of through-hole one-to-one.

A television set, wherein the television set comprises a television back shell mounting structure as described in any one of the above.

To sum up, this application makes the backshell can use different materials in a flexible way through separating PCB module and speaker module, because the speaker has solitary sound production cavity, consequently promoted tone quality to reduce the electromagnetic influence of speaker to the PCB board, and the low frequency sound of speaker is to the not hard up of on the PCB board components and parts welding piece cause, the risk of droing.

Drawings

Fig. 1 is a schematic view of a mounting structure of a television rear case in the present embodiment.

Fig. 2 is an exploded view of the rear housing of the television in this embodiment.

fig. 3 is a schematic structural view of the back of the rear case in the present embodiment.

Fig. 4 is a schematic view of the internal structure of the housing in this embodiment.

Fig. 5 is a schematic view of the internal structure of the package case in this embodiment.

Fig. 6 is a schematic view of the internal structure of the covering case in another preferred embodiment.

Fig. 7 is a partial structural schematic view of the supporting bar in the present embodiment.

In the figure: 1. a liquid crystal module; 10. enclosing a frame; 11. fixing a column; 12. riveting columns; 13. a rear housing; 2. a supporting strip; 21. A baffle plate; 22. a support plate; 23. supporting the through hole; 3. a housing; 31. wall hanging holes; 32. a first connecting column; 33. a wiring hole; 331. edge covering; 34. a PCB fixing member; 4. coating the shell; 41. a mounting cavity; 42. a second connecting column; 43. mounting a column; 44. clamping the through hole; 45. assembling a groove part; 46. extending the wall; 47. a wire outlet hole; 48. a lead slot; 49. an acoustical panel.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Example (b): a television backshell mounting structure is shown in figure 1 and comprises a backshell 13, a liquid crystal module 1 arranged in the backshell 13, and a PCB module and a loudspeaker module which are arranged on the backshell 13; the PCB module including can dismantle connect in the casing 3 of backshell 13 and set up in PCB board in the casing 3, the speaker module including wrap shell 4 and set up in the speaker in the wrap shell 4.

As shown in fig. 2 and 4, the PCB includes a core board and a power board for providing signals required by the liquid crystal module 1, and a PCB fixing member 34 for fixing the core board and the power board is disposed in the housing 3 through a fastening member.

The liquid crystal module 1 structurally comprises screen glass, a back plate and a shell assembly, has a television image display function, is provided with an enclosing frame 10 on a back shell 13, and the enclosing frame 10 is matched with the edges of the shell 3 and the covering shell 4 and has a decorative effect. During injection molding, the shell 3 is formed by injection molding of a flame-retardant material, and the covering shell 4 is formed by injection molding of common plastics, so that the design requirement of a product is met, and meanwhile, the material cost is saved.

Because the coating shell 4 for assembling the loudspeaker and the shell 3 for assembling the PCB are separately designed, not only is a necessary shielding cover of the integrated rear shell 13 saved, but also the problem that low-frequency sound emitted by the loudspeaker influences the welding of components on a core board and a power panel is solved, and unnecessary faults are avoided. Meanwhile, when the television breaks down or the upgraded PCB module and the loudspeaker module need to be replaced, the television can be independently detached for maintenance or replacement, and the rear shell 13 is not required to be maintained or replaced integrally, so that the television is more convenient and flexible to maintain after sale.

As shown in fig. 2 and 5, the covering shell 4 includes mounting cavities 41 disposed on two sides and used for accommodating the speakers, and a sound insulation portion disposed between the mounting cavities 41 on two sides, and a mounting post 43 for fixing the speakers is disposed in the mounting cavity 41, wherein the mounting post 43 is a rubber post. The high-low sound horn of the television loudspeaker is separately arranged, so that the sound quality of the television is improved.

Thereby the degree of depth of sound-proof part is less than both sides the degree of depth of installation cavity 41 forms assembly slot part 45, casing 3 joint is fixed in the assembly slot part 45. Specifically, the core board and the power board of the television are mounted through the separate shell 3, the speaker of the television is mounted through the separate coating shell 4, wherein the coating shell 4 is arranged at the bottom or the upper part of the rear shell 13, the shell 3 and the coating shell 4 are respectively mounted at the lower part of the back surface of the liquid crystal module 1, and the coating shell 4 and the shell 3 are in a splicing structure, so that the core board and the power board are still integrated in appearance.

The soundproof portion includes soundproof plates 49 arranged in parallel and a lead groove 48 provided through the soundproof plates 49. The sound insulation board 49 is arranged to enable the sound of the left loudspeaker and the sound of the right loudspeaker not to interfere with each other, and meanwhile, the special lead wire groove 48 is arranged on the connecting wire of the loudspeaker and the core board, so that the wiring is not influenced.

In this embodiment, the lead groove 48 is a strip-shaped accommodating groove body passing through the sound insulation board 49, so as to improve the sound insulation effect; in other embodiments, as shown in fig. 6, the lead groove 48 may also be directly formed on the sound insulation board 49, so as to reduce the difficulty of the processing process and further save the cost.

As shown in fig. 2 to 5, a rivet 12 is disposed on the back plate, a first connecting post 32 connected to the rivet 12 through a fastener is disposed on the housing 3, and a second connecting post 42 connected to the rivet 12 through a fastener is disposed on the covering shell 4. Specifically, four corners of the housing 3 are provided with first connecting posts 32 corresponding to the riveting posts 12 one by one, and two corners of the top of each mounting cavity 41 of the covering shell 4 are provided with second connecting posts 42 corresponding to the riveting posts 12 one by one.

The shell 3 is provided with a wall hanging hole 31, the rear shell 13 is provided with a fixing column 11, and the fixing column 11 penetrates through the wall hanging hole 31 to extend out of the wall hanging hole 31 for the wall hanging effect of a television.

Be provided with wire hole 47 on the cladding shell 4, be provided with on the casing 3 with wire hole 47 is connected and is used for the wiring hole 33 of access horn wire. Specifically, the wire outlet 47 is arranged at the upper end of the covering shell 4, the wiring hole 33 is arranged at the lower end of the shell 3, the edge of the wiring hole 33 is provided with a covering edge 331, the covering edge is buckled and pressed in the wire outlet 47 to form a horn wire half-hole channel, the horn wire half-hole channel plays a role in no deformation during assembly, and mounting screws are omitted.

The lower extreme of backshell 13 is provided with support bar 2, support bar 2 includes and is on a parallel with backshell 13 and setting are in the baffle 21 of backshell 13 front end, and, the perpendicular to backshell 13 and setting are in the backup pad 22 of backshell 13 lower extreme. The supporting plate 22 serves to reinforce the overall structure of the television and decorate the television while fixedly connecting the covering shell 4.

As shown in fig. 2, 5 and 7, the support plate 22 is provided with a support through hole 23, and the support bar 2 is connected to the rear case 13 through the support through hole 23 by a fastener; the lower end of the covering shell 4 faces one side of the supporting bar 2, an extending wall 46 is arranged between the rear shell 13 and the supporting plate 22, and clamping through holes 44 corresponding to the supporting through holes 23 in a one-to-one mode are formed in the extending wall 46.

The embodiment also provides a television, which comprises the television rear shell mounting structure, specifically as above.

The television backshell installation steps of this application include: assembling a liquid crystal module, namely assembling a hardware material back plate, assembling a display optical assembly in the back plate, and reversely buckling the display optical assembly on a tooling plate after detection is finished; the coating shell is an injection molding part, and after detection is finished, the loudspeaker is installed on the installation column; one end of a horn wire penetrates through the wire outlet hole and the wiring hole and is welded on the welding point of the loudspeaker, and the other end of the horn wire penetrates through the wire outlet hole; the shell is an injection molding part, after detection is completed, the power panel and the core board are fixed on the internal structure, and the horn wire is led in from the wiring hole and inserted on the PCB; the fixing column is buckled in the edge cover through a wall hanging hole and is fixed on the back plate through a first connecting column by a screw; after the mounting and detection of the cladding shell and the shell are finished, the liquid crystal module is turned over, the mounting support bars are covered, and the support through holes and the clamping through holes are connected through screws from the bottom; and (5) finishing assembly. And when the television rear shell needs to be disassembled, disassembling according to the reverse sequence of the assembling steps.

When the horn wire needs to be replaced, the shell is firstly detached, the horn wire is pulled down from the PCB, then the covering shell is opened, the welding spot of the loudspeaker is melted by using an iron, and the horn wire is pulled out from the lead groove. After the replacement is finished, one end of the horn wire extends into the welding spot of the loudspeaker from the lead groove, and the other end of the horn wire is left in the wire outlet and is inserted on the PCB.

To sum up, this application makes the backshell can use different materials in a flexible way through separating PCB module and speaker module, has reduced back lid material cost. And the electromagnetic influence of the loudspeaker on the PCB and the risk of loosening and falling off caused by low-frequency sound of the loudspeaker on welding parts of components on the PCB are reduced. Because the speaker has solitary sound production cavity, can promote TV tone quality effect through separating the high bass of speaker to the lead wire fixed mode of speaker need not bond or joint, consequently does not influence TV appearance structure, has improved the pleasing to the eye degree of product.

It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims (10)

1. A TV backshell mounting structure, characterized by: the liquid crystal display panel comprises a rear shell, a liquid crystal module arranged in the rear shell, and a PCB module and a loudspeaker module which are arranged on the rear shell; the PCB module including can dismantle connect in the casing of backshell and set up in PCB board in the casing, the speaker module including wrap the shell and set up in speaker in the cladding shell.

2. The television back case mounting structure according to claim 1, wherein: the coating shell comprises mounting cavities which are arranged on two sides and used for containing the loudspeaker, and sound insulation parts which are arranged on two sides and are arranged between the mounting cavities, and mounting columns used for fixing the loudspeaker are arranged in the mounting cavities.

3. The television back case mounting structure according to claim 2, wherein: the sound insulation part comprises sound insulation boards which are arranged in parallel and a lead groove which penetrates through the sound insulation boards; the degree of depth of sound-proof part is less than both sides thereby the degree of depth of installation cavity forms the assembly slot part, the casing joint is fixed in the assembly slot part.

4. The television back case mounting structure according to claim 1, wherein: the liquid crystal module structure comprises screen glass, a back plate and a shell assembly, wherein a riveting column is arranged on the back plate, a first connecting column connected with the riveting column through a fastener is arranged on the shell, and a second connecting column connected with the riveting column through a fastener is arranged on the shell.

5. The television back case mounting structure according to claim 1, wherein: the television wall hanging device is characterized in that a wall hanging hole is formed in the shell, and a fixing column which penetrates through the wall hanging hole and is used for hanging a television on a wall is arranged on the rear shell.

6. The television back case mounting structure according to claim 1, wherein: the wire outlet hole is formed in the covering shell, and the wiring hole which is connected with the wire outlet hole and used for being connected with a horn wire is formed in the shell.

7. The television back case mounting structure according to claim 1, wherein: the PCB board includes machine core board and power strip, be provided with through the fastener in the casing and be used for fixing machine core board with the PCB mounting of power strip.

8. The television back case mounting structure according to claim 1, wherein: the lower extreme of backshell is provided with the support bar, the support bar includes and is on a parallel with the backshell just sets up the baffle of backshell front end, and, the perpendicular to the backshell just sets up the backup pad of backshell lower extreme.

9. The television back case mounting structure of claim 8, wherein: the supporting plate is provided with a supporting through hole, and the supporting bar is connected to the rear shell through the supporting through hole through a fastening piece; the lower extreme of cladding shell just moves towards support bar one side is provided with the extension wall, the extension wall set up in between backshell and the backup pad, just be provided with on the extension wall and support the block through-hole of through-hole one-to-one.

10. A television set is characterized in that: the television set comprising a television back shell mounting structure as claimed in any one of claims 1 to 9.