CN213214046U - Multimedia equipment - Google Patents

Abstract

The utility model discloses a multimedia device belongs to the electronic equipment field. The multimedia device includes: the liquid crystal display device comprises a support part, a cover plate, a back shell, a liquid crystal display assembly and a printed circuit board; the supporting part is movably connected with the rear plate surface of the cover plate, the front plate surface of the cover plate is fixedly connected with the back shell, and the back shell is used for packaging the back of the liquid crystal display assembly; the dorsal scale is provided with the through-hole, and the apron covers the through-hole, is formed with the inner space that is used for holding printed circuit board between apron and the back of liquid crystal display subassembly. The utility model discloses a setting is used for holding printed circuit board's inner space to reach the structure of simplifying multimedia device, reduce the purpose of multimedia device's whole thickness.

Description

Multimedia equipment

Technical Field

The utility model relates to an electronic equipment field, in particular to multimedia device.

Background

As an electronic device which is frequently used at present, a multimedia device plays an important role in daily life.

In a related application scenario, to meet the user's requirement, the lcd module of the multimedia device is usually fixed at a certain height, so as to facilitate the user to operate and use.

However, since the multimedia device is complex in composition and the liquid crystal display module and the connecting parts thereof have a certain thickness, the multimedia device is very thick visually, which brings a certain negative psychological effect to the user.

SUMMERY OF THE UTILITY MODEL

The utility model provides a multimedia device has reduced multimedia device's whole thickness for multimedia device's structure is more simple. The utility model discloses at least, include following technical scheme:

the utility model provides a multimedia device, which comprises a supporting part, a cover plate, a back shell, a liquid crystal display component and a printed circuit board;

the supporting part is movably connected with the rear plate surface of the cover plate, the front plate surface of the cover plate is fixedly connected with the back shell, and the back shell is used for packaging the back of the liquid crystal display assembly;

the dorsal scale is provided with the through-hole, and the apron covers the through-hole, is formed with the inner space that is used for holding printed circuit board between apron and the back of liquid crystal display subassembly.

The utility model provides a technical scheme includes following beneficial effect at least:

through the inner space that is used for holding printed circuit board that forms between the back of apron and liquid crystal display subassembly for apron parcel printed circuit board and dorsal scale fixed connection, the through-hole that sets up on the printed circuit board embedding dorsal scale has reduced printed circuit board's occupation space, has reduced the thickness of apron to between the liquid crystal display subassembly, has simplified multimedia device's structure, has reduced multimedia device's whole thickness.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments 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 it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a front view of a multimedia device provided by an exemplary embodiment of the present application;

FIG. 2 is a side view of a multimedia device provided by an exemplary embodiment of the present application;

FIG. 3 is a cross-sectional view of a multimedia device provided by an exemplary embodiment of the present application;

FIG. 4 is a front view of a spindle provided in an exemplary embodiment of the present application;

FIG. 5 is a side view of a spindle provided in an exemplary embodiment of the present application;

FIG. 6 is a perspective view of a multimedia device provided by an exemplary embodiment of the present application;

FIG. 7 is a perspective view of a multimedia device provided by an exemplary embodiment of the present application;

FIG. 8 is a perspective view of a first operating state of a multimedia system provided by an exemplary embodiment of the present application;

FIG. 9 is a perspective view of a second operating state of the multimedia system provided by an exemplary embodiment of the present application;

FIG. 10 is a front view of a support provided by an exemplary embodiment of the present application;

FIG. 11 is a side view of a support provided in an exemplary embodiment of the present application.

Wherein the symbols in the drawings are described as follows:

110-a support part: 111-a base; 112-a first support plate; 113-a second support plate; 113 a-a fourth mount;

120-rotating shaft: 121-male axis; 122-a connecting bracket; 122 a-a first bracket; 122 b-a second bracket; 123-a fixing plate; 123 a-a third mount;

131-a first turntable portion; 132-a second turntable portion;

140-cover plate: 141-a through hole; 142-a second fixture;

150-dorsal shell: 151-a through opening; 152-a first fixture;

210-a liquid crystal display assembly;

220-printed circuit board.

The specific implementation mode is as follows:

in order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Unless defined otherwise, all technical terms used in the embodiments of the present invention have the same meaning as commonly understood by one of ordinary skill in the art.

In the embodiments of the present invention, the references to "front" and "rear" are based on the front and rear as shown in the drawings.

In the use process of the multimedia equipment, due to individual differences of height, eyesight and the like of a user, the user needs to adjust the position and the distance between the user and the multimedia equipment for many times, and the purpose of using the multimedia equipment can be achieved. Accordingly, the present invention provides a multimedia device, and fig. 1 and 2 show a front view and a side view of the multimedia device, respectively. The multimedia device includes a support part 110, a cover plate 140, a back case 150, a liquid crystal display assembly 210, and a printed circuit board 220.

Illustratively, the supporting portion 110 is movably connected to the rear plate surface of the cover plate 140, and the supporting portion 110 is used for maintaining a certain height interval between the liquid crystal display assembly 210 and the placing plane, so that the multimedia device is convenient for a user to use at a certain height. The front plate surface of the cover plate 140 is fixedly connected to the back case 150 for forming a protrusion having a certain space at the back of the back case 150. The back case 150 is used to enclose the back of the liquid crystal display module 210, and the cover plate 140 and the back case 150 provide a supporting force for fixing the liquid crystal display module 210. The liquid crystal display assembly 210 is used to display information provided by the multimedia device to the user. Illustratively, the liquid crystal display module 210 may be a touch screen or a non-touch screen, and the application is not limited herein.

Illustratively, the back case 150 is provided with a through hole 151, the cover plate 140 covers the through hole 151, and an inner space for accommodating the printed circuit board 220 is formed between the cover plate 140 and the back of the liquid crystal display module 210. The through hole 151 is used for accommodating a printed circuit board 220, the liquid crystal display module 210 is electrically connected with the printed circuit board 220 through a flat cable, and the printed circuit board 220 is a carrier for electrically connecting various electronic components. Illustratively, the printed circuit board 220 includes an insulating base plate, connecting leads, and pads for mounting the soldered electronic components, and the printed circuit board 220 serves as both a conductive trace and the insulating base plate. That is, the cover plate 140 covers the through-hole 151, and a boss portion having an inner space for receiving the printed circuit board 220 is formed at the back of the back case 150.

Illustratively, there are various alternative ways to form the inner space for accommodating the printed circuit board 220, and any area of the back shell 150 can form the inner space for accommodating the printed circuit board 220 without affecting the support of the liquid crystal display module 210, which is not limited herein. Optionally, the cover plate 140 forms an inner space for accommodating the printed circuit board 220 at a central position of the back case 150. Optionally, the cover plate 140 forms an inner space for accommodating the printed circuit board 220 at a position near the lower edge of the back case 150. The size and shape of the internal space for accommodating the printed circuit board 220 during the use of the multimedia device vary with the shape of the printed circuit board 220, which is not limited herein. Illustratively, the interior space for receiving the printed circuit board 220 is square in shape.

The inner space for accommodating the printed circuit board 220 is formed by the cover plate 140 and the back of the liquid crystal display module 210, and the cover plate 140 and the printed circuit board 220 may have the same size and shape or different sizes and shapes on the premise of covering the printed circuit board 220, which is not limited herein. There are many alternatives for enclosing the interior space for receiving the printed circuit board 220, and the application is not limited thereto. For example, the cover plate 140 and the liquid crystal display module 210 have the same specification, and enclose an inner space facing the support portion 110 for accommodating the printed circuit board 220; for another example, the cover plate 140 has the same size and shape as the printed circuit board 220, and an inner space for accommodating the printed circuit board 220 is formed at a central position of the back case 150; as another example, the cover plate 140 has the same size and shape as the printed circuit board 220, and an inner space for accommodating the printed circuit board 220 is formed at a lower position of the back case 150, and a lower edge of the inner space coincides with a lower edge of the back case 150.

An alternative enclosure of the interior space of the projection is given by:

illustratively, the inner space of the protrusion is enclosed by the front plate surface of the cover plate 140, the edge of the through hole 151, and the back of the liquid crystal display module 210.

Illustratively, the convex direction of the convex portion is toward the support portion 110.

Schematically, as shown in fig. 3, which is a cross-sectional view of the multimedia device, an inner space for accommodating the printed circuit board 220 is located at a central position of the back case 150. Illustratively, the through hole 151 is located at the center of the back shell 150, and the cover plate 140 covers the printed circuit board 220 and covers the through hole 151. The thickness H1 refers to the distance from the display screen of the liquid crystal display assembly to the back of the back case 150, and the thickness H2 refers to the distance from the back of the back case 150 to the back of the cover plate 140. Illustratively, the thicknesses H1 and H2 are not limited, and vary according to the thicknesses of the liquid crystal display module 210, the printed circuit board 220 and the cover plate 140, and the application is not limited herein.

Illustratively, since the printed circuit board 220 also has a certain thickness, in order to make the multimedia device more visually thinner and lighter, the edge of the front plate surface of the cover plate 140 is formed with a surrounding edge facing the liquid crystal display module 210. That is, the cap plate 140 is a plate-shaped structure having a recess for receiving a partial thickness of the printed circuit board 220. The cover plate 140 having the recess can reduce the thickness of H2, so that the multimedia device can be visually lighter and thinner.

The connection between the cover plate 140 and the back shell 150 can be implemented in various ways, and the application is not limited herein. Optionally, the cover plate 140 is fixedly connected to the back shell 150, or integrally formed with the support portion 110. Several alternative implementations of the cover plate 140 fixedly connected to the back shell 150 are given below:

illustratively, the back shell 150 further includes a first fixing member 152, the cover plate 140 includes a second fixing member 142, and the first fixing member 152 and the second fixing member 142 form a fixing structure cooperating with each other to fixedly connect the back shell 150 and the cover plate 140. Alternatively, the first fixing member 152 and the second fixing member 142 may be threaded holes, and the first fixing member 152 and the second fixing member 142 are fixedly connected by bolts.

Illustratively, the first fixing member 152 and the second fixing member 142 are fixedly connected or integrally formed. The first fixing member 152 and the second fixing member 142 are fixedly connected to each other in various manners, which are not limited herein. Optionally, the second fixing member 142 is a positioning hole, the first fixing member 152 is a positioning column, and the second fixing member 142 and the first fixing member 152 form a hole-column structure. Alternatively, the second fixing member 142 is a positioning column, and the first fixing member 152 is a positioning hole. Optionally, the second fixing element 142 is a threaded hole, the first fixing element 152 is a threaded post, and the second fixing element 142 and the first fixing element 152 form a threaded structure. Alternatively, the second fixing member 142 is a threaded post and the first fixing member 152 is a threaded hole. Optionally, in the fixing structure formed by the second fixing element 142 and the first fixing element 152, the second fixing element 142 may be embedded in the first fixing element 152, or the first fixing element 152 may be embedded in the second fixing element 142, which is not limited herein.

Illustratively, the cover plate 140 further includes a through hole 141, and the through hole 141 is used for movably connecting the cover plate 140 to the support part 110.

Illustratively, the shape of the back shell 150 may be rectangular, or may be adapted to the shape of other multimedia devices, and the present application is not limited thereto. Optionally, a groove is fixedly disposed at an inner edge of the back case 150, and the size of the groove matches the size of the liquid crystal display module 210, so as to embed the liquid crystal display module 210 into the back case 150 and encapsulate the back of the liquid crystal display module 210.

To sum up, the utility model provides a multimedia device is used for holding printed circuit board's inner space through the setting for the apron is in the bellying of the back formation of dorsal scale, places printed circuit board in the inner region of bellying, makes multimedia device present more frivolous form in the vision, has improved user experience and has felt, brings light psychological suggestion for the user. Meanwhile, the cover plate is fixedly connected with the back shell, so that the multimedia equipment is simpler to assemble, the complex process is reduced, and the processing cost is reduced. In addition, the supporting part is movably connected with the cover plate, so that multi-angle adjustment of the multimedia equipment can be realized, and the use requirements of users can be met.

In the use process of the multimedia device, a component for angle adjustment is usually arranged for the convenience of the user. The utility model provides a following three kinds of alternatives:

first alternative:

illustratively, a rotating shaft 120 is further included between the supporting portion 110 and the cover plate 140, a first rotating portion of the rotating shaft 120 is fixedly connected with a rear plate surface of the cover plate 140, the first rotating portion of the rotating shaft 120 is movably connected with a second rotating portion of the rotating shaft 120, and the second rotating portion of the rotating shaft 120 is fixedly connected with the supporting portion 110.

The shaft 120 provides a rotational force for the multimedia device to drive the cover plate 140 to rotate. Preferably, the rotating shaft 120 is a damping rotating shaft, and the damping rotating shaft is movably connected with the cover plate 140 and fixedly connected with the supporting portion 110. The damping shaft drives the cover plate 140 to rotate, and further drives the back case 150 packaged with the liquid crystal display module 210 to rotate, so that multi-angle adjustment of the multimedia device is realized.

The damping rotating shaft is a rotating shaft with damping, bears bending moment and torque in the rotating work, and is an important part for connecting product parts. Damping pivot includes two at least spring shim, and its theory of operation is: through the spring gasket in the compression damping pivot, produce frictional force between the spring gasket for the external force that acts on the damping pivot attenuates, and then delays the decay of the motion state of the product of taking the damping pivot, and the frictional force that produces can be called damping force or shock attenuation power. The damping pivot has small and exquisite portable, overlength life, damping dynamics is adjustable, convenient assembling, for using the advantage of the more usage space of product saving, simultaneously, damping pivot assembly rate is fast, and the assembly cost is low, and intensity is higher, more wear-resisting. Illustratively, the damping rotating shaft is externally provided with an electroplated layer. The electroplated layer makes the pivot outward appearance smooth and burr-free, and the electroplated layer adhesive force is strong, and no black spot, no rust point for the rotation range of pivot can be controlled in stable range.

The multimedia device using the damping hinge generates a damping force when the angle is adjusted. The angle of the multimedia equipment is adjusted easily and smoothly, and the multimedia equipment cannot shake due to uneven damping force; after the angle of the multimedia equipment is adjusted, the damping force still exists, and the multimedia equipment cannot fall freely. Damping pivot is when using, because multimedia equipment's structure, weight, size diverse, consequently to the structure of damping pivot, size requirement different, the utility model discloses the application does not limit herein.

Schematically, fig. 4 and 5 show a front view and a side view of the rotating shaft 120, respectively, in order to realize multi-angle adjustment of the multimedia device, the present invention provides the following options for the structure of the rotating shaft 120:

illustratively, the shaft 120 includes a male shaft 121, a connecting bracket 122, and a fixing plate 123.

The male shaft 121 rotates according to the rotation of the liquid crystal display module 210, and drives the connecting bracket 122 to rotate, and the fixing plate 123 is used for fixing the rotating shaft 120 on the second supporting plate 113.

Illustratively, a first end of the male shaft 121 is fixedly connected to the cover plate 140, and a second end of the male shaft 121 penetrates the connecting bracket 122 and is movably connected to the fixing plate 123. Illustratively, the connecting bracket 122 is sleeved on the male shaft 121 and can rotate along the axis of the male shaft 121. Optionally, the supporting portion 110 contacts with the placing plane, the plane of the liquid crystal display module 210 is perpendicular to the placing plane, the axis of the male shaft 121 is parallel to the placing plane and perpendicular to the plane of the liquid crystal display module 210, and the connecting bracket 122 rotates along the axis of the male shaft 121 by 0-360 degrees.

Illustratively, a first end of the connecting bracket 122 is fixedly connected to the male shaft 121, and a gap is formed between a second end of the connecting bracket 122 and the fixing plate 123. The connecting bracket 122 rotates along with the rotation of the male shaft 121, and a gap is reserved between the connecting bracket 122 and the fixing plate 123, so that friction between the connecting bracket 122 and the fixing plate is avoided, the rotation of the rotating shaft is more flexible, and the service life of the rotating shaft is prolonged.

Illustratively, the rotating shaft 120 is further provided with a third fixing element 123a for fixedly connecting the rotating shaft 120 and the supporting portion 110. Optionally, the third fixing element 123a is disposed on the fixing plate 123. Alternatively, the third fixing 123a may be a screw hole.

In order to make the rotation of the rotating shaft more stable, the connecting bracket can adopt various optional modes, and the shape, the size and the structure of the connecting bracket can be changed according to the requirement of the angle adjustment of the multimedia equipment, and the application is not limited herein. Optionally, the present invention provides the following options for the structure of the connecting bracket 122:

optionally, the connecting bracket 122 includes a first bracket 122a and a second bracket 122 b.

Illustratively, the first bracket 122a is a U-shaped bracket with an opening facing the fixing plate 123, and is fixedly connected to the second bracket 122 b. The first bracket 122a is opened toward the fixing plate 123 to reduce friction between the connecting bracket 122 and the fixing plate 123. Illustratively, the first bracket 122a has arc-shaped ends at both ends, and the rotating shaft 120 is rotated such that the connecting bracket 122 is prevented from contacting the fixing plate 123. Illustratively, the second bracket 122b is located within the U-shaped opening area of the first bracket 122a and is fixedly connected to the first bracket 122 a. Illustratively, there are many alternative ways to fixedly connect the second bracket 122b and the first bracket 122a, and the application is not limited herein. Optionally, the second bracket 122b is integrally formed with the first bracket 122 a.

Illustratively, the second bracket 122b is a hollow cylindrical bracket that is open toward the fixing plate 123, and the male shaft 121 penetrates through the middle of the second bracket 122 b. The second bracket 122b is opened toward the fixing plate 123 to reduce friction between the connecting bracket 122 and the fixing plate 123. Illustratively, the second support 122b is a cylindrical support, so that both ends of the second support 122b are in full contact with the first support 122a, thereby ensuring the structural stability of the connecting support 122.

Schematically, a perspective view of a multimedia device as shown in fig. 6. As shown in fig. 6 (a), the base 111 contacts the placement plane, the rotation shaft 120 is fixedly connected to the second support plate 113, and the back case 150 is fixedly connected to the cover plate 140 and perpendicular to the placement plane. When a user applies a downward external force on the upper end of the multimedia device or an upward external force on the lower end of the multimedia device, the relative positions of the plane in which the back case 150 and the cover plate 140 are positioned and the placement plane are changed, as shown in fig. 6 (b).

In order to reduce the assembly steps of the multimedia device during the use of the multimedia device, some components of the multimedia device are usually fixedly connected, so that the assembly steps are reduced, and the structure of the multimedia device is simplified. Accordingly, in the case where the multimedia device includes the rotation shaft 120, the present invention provides the following options:

the first rotating portion of the rotating shaft 120 is integrally formed with the cover plate 140; or, the second rotating part of the rotating shaft 120 is integrally formed with the supporting part 110; alternatively, the first rotating portion of the rotating shaft 120 is integrally formed with the cover plate 140, and the second rotating portion of the rotating shaft 120 is integrally formed with the supporting portion 110.

It can be seen that the multimedia device including the rotation shaft 120 can realize stepless rotation of the multimedia device, so that the user can adjust the height and position of the multimedia device according to the habit and need of the user.

A second alternative:

the turntable can also be used for providing rotating force for the multimedia equipment to drive the multimedia equipment to rotate. In one use case, when the display content on the multimedia device cannot be completely displayed, the multimedia device needs to be switched from the landscape state to the portrait state, or from the portrait state to the landscape state. For solving the incomplete problem of multimedia device display, the utility model provides an optional mode as follows:

illustratively, a turntable is further included between the support portion 110 and the cover plate 140, a first turntable portion 131 of the turntable is fixedly connected with a rear plate surface of the cover plate 140, the first turntable portion 131 is movably connected with a second turntable portion 132, and the second turntable portion 132 of the turntable is fixedly connected with the support portion 110.

When the liquid crystal display module 210 needs to be rotated, due to the movable connection between the first turntable part 131 and the second turntable part 132, the liquid crystal display module 210 drives the first turntable part 131 to rotate, so as to drive the second turntable part 132 to rotate, as shown in the perspective view of the multimedia device shown in fig. 7.

As shown in fig. 7 (a), when the multimedia device is in the landscape state, the user applies an external force to the liquid crystal display assembly 210, and the direction of the external force is the direction of the arrow in fig. 7 (a). At this time, since the first turntable part 131 is fixedly connected to the cover plate 140, and the cover plate 140 is fixedly connected to the back shell 150, the external force applied to the liquid crystal display assembly 210 drives the cover plate 140 to rotate along the arrow direction, so as to drive the first turntable part 131 to rotate along the arrow direction, and the multimedia device is switched from the horizontal screen state to the vertical screen state on the plane, where the vertical screen state is as shown in (b) of fig. 7. Accordingly, when the multimedia device is switched from the portrait screen state to the landscape screen state, the user applies an external force to the liquid crystal display assembly 210, where the direction of the external force is the direction of the arrow in fig. 7 (b). Illustratively, the multimedia device is rotated in the plane of the rotation through an angle in the range of 0-360 degrees.

Specifically, fig. 8 shows a perspective view in a first operation state of the multimedia device, fig. 8 (a) shows a front view in the first operation state, and fig. 8 (b) shows a rear view in the first operation state. At this time, the multimedia device is in a landscape operating state. Specifically, fig. 9 shows a perspective view of the multimedia device in the second operation state, fig. 9 (a) shows a front view in the second operation state, and fig. 9 (b) shows a rear view in the second operation state. At this time, the multimedia device is in a vertical screen working state. With reference to fig. 8 and 9, an embodiment of the present invention provides a multimedia device, which can realize switching between horizontal screen operating status and vertical screen operating status.

Similarly, to reduce the number of assembly steps of the multimedia device, in the case where the multimedia device includes a turntable, the present invention provides the following options:

the first turntable portion 131 and the cover plate 140 are integrally formed; alternatively, the second turntable 132 is integrally formed with the support part 110; alternatively, the first turntable portion 131 is integrally formed with the cover plate 140, and the second turntable portion 132 is integrally formed with the support portion 110.

Therefore, the multimedia equipment comprising the turntable can realize the switching of the horizontal and vertical screen states of the multimedia equipment, and is convenient for displaying all contents on the liquid crystal display assembly.

A third alternative:

based on above-mentioned two kinds of alternatives, for realizing simultaneously the electrodeless rotation of multimedia device and the switching of violently erecting the screen state, the utility model discloses the third kind of alternatives has still been given:

illustratively, a rotating shaft 120 and a rotating disc are further included between the supporting portion 110 and the cover plate 140, a first rotating disc portion 131 of the rotating disc is fixedly connected with the rear plate surface of the cover plate 140, the first rotating disc portion 131 is movably connected with a second rotating disc portion 132 of the rotating disc, the second rotating disc portion 132 is fixedly connected with a first rotating portion of the rotating shaft 120, the first rotating portion of the rotating shaft 120 is movably connected with a second rotating portion of the rotating shaft 120, and the second rotating portion of the rotating shaft 120 is fixedly connected with the supporting portion 110.

Similarly, in order to reduce the assembly steps of the multimedia device, in the case that the multimedia device includes the rotation shaft 120 and the rotation disk, the present invention provides the following options:

the first turntable portion 131 and the cover plate 140 are integrally formed; or, the second rotating part of the rotating shaft 120 is integrally formed with the supporting part 110; alternatively, the first rotating portion 131 is integrally formed with the cover plate 140, and the second rotating portion of the rotating shaft 120 is integrally formed with the support portion 110.

In summary, the utility model provides a multimedia device, which realizes the stepless rotation of the multimedia device through the rotating shaft, so that the user can realize the device operation only by adjusting the angle of the multimedia device, thereby improving the convenience of the user in using multimedia; the horizontal and vertical screen states of the multimedia equipment are switched by setting the turnplate. The multimedia equipment provides convenience for users, and meets individual requirements of different users.

The supporting part mainly plays a role in supporting the multimedia equipment in the using process of the multimedia equipment. In order to improve the stability of the supporting portion, the present invention provides a multimedia device, and fig. 10 and 11 respectively show a front view and a side view of the supporting portion 110 included in the multimedia device.

Illustratively, the support portion 110 includes a base 111, a first support plate 112, and a second support plate 113. Illustratively, the first support plate 112 and the second support plate 113 are integrally formed. Alternatively, the base 111 is fixedly connected to the first support plate 112, or integrally formed. The connection mode of the components effectively reduces the friction between the components, so that the assembly of the supporting part 110 is quicker, the service life of the supporting part 110 is prolonged, and the abrasion is avoided. Meanwhile, according to the principle of stability of the triangle, the base 111, the first support plate 112 and the second support plate 113 may form a triangle in the space, which helps to improve the stability of the support part 110.

Illustratively, a fourth fixing member 113a is fixedly disposed on the second support plate 113, and is used for fixedly connecting the support portion 110 with the cover plate 140. Alternatively, the fourth fixing member 113a may be a screw hole.

Illustratively, when the multimedia device includes the rotating shaft 120 provided with the third fixing element 123a, the third fixing element 123a and the fourth fixing element 113a are fixing structures used in cooperation, and are used to fixedly connect the second supporting plate 113 and the rotating shaft 120, so as to ensure stable rotation of the rotating shaft 120, which is not limited herein. Alternatively, the third fixing member 123a and the fourth fixing member 113a may be screw holes, and the third fixing member 123a and the fourth fixing member 113a are fixedly connected by bolts.

Illustratively, the third fixing member 123a and the fourth fixing member 113a may be fixedly connected or integrally formed. The third fixing member 123a and the fourth fixing member 113a are fixedly connected in various manners, and the present application is not limited thereto. Optionally, the third fixing member 123a is a positioning hole, the fourth fixing member 113a is a positioning column, and the third fixing member 123a and the fourth fixing member 113a form a hole-column structure. Alternatively, the third fixing member 123a is a positioning column, and the fourth fixing member 113a is a positioning hole. Optionally, the third fixing element 123a is a threaded hole, the fourth fixing element 113a is a threaded post, and the third fixing element 123a and the fourth fixing element 113a form a threaded structure. Alternatively, the third fixing member 123a is a screw post, and the fourth fixing member 113a is a screw hole. Optionally, in a fixing structure formed by the third fixing element 123a and the fourth fixing element 113a, the third fixing element 123a may be embedded in the fourth fixing element 113a, or the fourth fixing element 113a may be embedded in the third fixing element 123a, which is not limited in this application.

To sum up, the utility model provides a multimedia device through the concrete injecing to the structure of supporting part, has improved the stability of supporting part, when external force acts on multimedia device, provides sufficient holding power for multimedia device.

In the present invention, it is to be understood that the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated.

It should be understood that reference to "a plurality" in the present invention means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.

Above-mentioned all optional technical scheme can adopt arbitrary combination to form the optional embodiment of this utility model, and the repeated description is no longer given here.

The above description is only an optional embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A multimedia device, characterized in that it comprises a support (110), a cover plate (140), a back shell (150), a liquid crystal display assembly (210) and a printed circuit board (220);

the supporting part (110) is movably connected with the rear plate surface of the cover plate (140), the front plate surface of the cover plate (140) is fixedly connected with the back shell (150), and the back shell (150) is used for packaging the back of the liquid crystal display assembly (210);

the rear shell (150) is provided with a through hole (151), the cover plate (140) covers the through hole (151), and an inner space for accommodating the printed circuit board (220) is formed between the cover plate (140) and the back of the liquid crystal display assembly (210).

2. The multimedia device of claim 1,

the inner space for accommodating the printed circuit board (220) is formed by enclosing the front plate surface of the cover plate (140), the edge of the through opening (151) and the back surface of the liquid crystal display assembly (210).

3. The multimedia device of claim 2,

the through hole (151) is positioned in the center of the back shell (150).

4. The multimedia device of claim 2,

the edge of the front plate surface of the cover plate (140) is provided with a surrounding edge facing the liquid crystal display assembly (210).

5. The multimedia device according to any of claims 1 to 4,

the supporting part (110) with still include pivot (120) between apron (140), the first rotation portion of pivot (120) with the back face fixed connection of apron (140), the first rotation portion of pivot (120) with the second rotation portion swing joint of pivot (120), the second rotation portion of pivot (120) with supporting part (110) fixed connection.

6. The multimedia device of claim 5,

the first rotating part of the rotating shaft (120) and the cover plate (140) are integrally formed;

or the like, or, alternatively,

the second rotating part of the rotating shaft (120) is integrally formed with the supporting part (110);

or the like, or, alternatively,

the first rotating part of the rotating shaft (120) and the cover plate (140) are integrally formed, and the second rotating part of the rotating shaft (120) and the supporting part (110) are integrally formed.

7. The multimedia device of claim 1,

the supporting part (110) and the cover plate (140) are further provided with a turntable, a first turntable part (131) of the turntable is fixedly connected with the rear plate surface of the cover plate (140), the first turntable part (131) is movably connected with a second turntable part (132), and the second turntable part (132) of the turntable is fixedly connected with the supporting part (110).

8. The multimedia device of claim 7,

the first turntable part (131) and the cover plate (140) are integrally formed;

or the like, or, alternatively,

the second turntable part (132) is integrally formed with the support part (110);

or the like, or, alternatively,

the first turntable part (131) is integrally formed with the cover plate (140), and the second turntable part (132) is integrally formed with the support part (110).

9. The multimedia device of claim 1,

the supporting part (110) with still include pivot (120) and carousel between apron (140), the first carousel portion (131) of carousel with the back face fixed connection of apron (140), first carousel portion (131) with the second carousel portion (132) swing joint of carousel, second carousel portion (132) with the first portion fixed connection that rotates of pivot (120), the first portion that rotates of pivot (120) with the second portion swing joint that rotates of pivot (120), the second of pivot (120) rotate the portion with supporting part (110) fixed connection.

10. The multimedia device of claim 9,

the first turntable part (131) and the cover plate (140) are integrally formed;

or the like, or, alternatively,

the second rotating part of the rotating shaft (120) is integrally formed with the supporting part (110);

or the like, or, alternatively,

the first rotating part (131) and the cover plate (140) are integrally formed, and the second rotating part of the rotating shaft (120) and the support part (110) are integrally formed.

Images