CN210246904U - Non-contact limiting structure and television - Google Patents

Abstract

The utility model discloses a non-contact limit structure and TV set belongs to display device's auxiliary structure field. The non-contact limiting structure is applied to the display equipment and comprises a moving part which can do reciprocating telescopic motion relative to the display equipment, and a moving gap is reserved between the moving part and the display equipment; the non-contact limiting structure is arranged between the display device and the moving part, and the non-contact limiting structure limits the movement of the moving part by utilizing the principle that like poles of magnets repel each other and unlike poles of magnets attract each other. The utility model discloses set up non-contact limit structure between display device and moving part, utilize the principle that magnet homopolar repellence, heteropolar attracted to inject the motion of moving part, when realizing the limiting displacement to the moving part, can also reach the silence effect. The utility model also discloses a TV set.

Description

Non-contact limiting structure and television

Technical Field

The utility model relates to a display device's auxiliary structure field especially relates to a non-contact limit structure and TV set.

Background

With the social and economic development and the technological progress, the traditional box type television can not meet the aesthetic requirements of people, and the portable, beautiful and low-radiation flat panel television gradually replaces the traditional television and becomes the mainstream of consumption. The flat panel television comprises a liquid crystal screen and a shell, wherein the shell comprises a front shell and a rear shell.

In order to make full use of space and reduce the overall size of the television, new products are available in the market, in which the sound box is telescopically assembled on the television. However, the sound box needs to ensure a certain gap in the telescopic motion, and the existing telescopic structure generally adopts a structure contact type for limiting, and is limited by a spring or a clamping groove and the like, so that the sound box is prevented from violently shaking or swinging. The contact type limiting mode of the structure can easily generate noise, the fit clearance is not reserved enough or the limiting structure is influenced by temperature and humidity and is easy to deform to cause blocking, and a television is damaged. In addition, such limiting structure parts require regular maintenance, which is time-consuming and labor-consuming.

In view of the above, a new technical solution is urgently needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a non-contact limit structure and TV set, its motion that utilizes the principle that the homopolar repulsion, heteropolar attraction of magnet prescribe a limit to the moving part, when realizing the limiting displacement to the moving part, can also reach the silence effect.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a non-contact limiting structure is applied to display equipment, wherein a moving part which can do reciprocating telescopic motion relative to the display equipment is arranged on the display equipment, and a moving gap is reserved between the moving part and the display equipment; the non-contact limiting structure is arranged in the movable gap and limits the movement of the movable part by utilizing the principle that like poles of magnets repel and unlike poles of magnets attract.

As a further improvement, the movable piece can be arranged on a rear shell of the display device in a vertically lifting mode, and the non-contact limiting structure comprises at least one electromagnet embedded on the rear shell and at least one armature embedded on the movable piece.

As a further improvement, the rear shell is provided with a pit, the shape and size of the pit are matched with those of the movable piece, and the movable piece can be arranged in the pit in a way of ascending and descending; the electromagnet is embedded in the bottom wall of the pit, the electromagnet is located at the bottom of the pit, and the armature is installed in the middle of the moving part.

As a further improvement, the electromagnet and the armature are provided in plurality, and the electromagnet and the armature are uniformly arranged along the transverse direction of the display device.

As a further improvement, the electromagnetic type electromagnetic switch further comprises an inductor and a control module, wherein the inductor is used for detecting the position information of the moving piece, and the control module is used for starting the electromagnet when the moving piece descends to the right position.

As a further improvement, the movable member is installed on a rear case of the display device in a manner of being capable of ascending and descending up and down, the non-contact limiting structure includes at least one first magnet embedded in the rear case and at least one second magnet embedded in the movable member, and the first magnet and the second magnet are opposite in homopolar.

As a further improvement, the rear shell is provided with a pit, the shape and size of the pit are matched with those of the movable piece, and the movable piece can be arranged in the pit in a way of ascending and descending; the first magnet is arranged in the middle of the pit, and the second magnet is arranged in the middle of the movable piece.

As a further improvement, the display device is a television, and the movable member is a sound box.

As a further improvement, the movable piece is arranged on the left side or the right side of the display device, and the movable piece can horizontally stretch and retract relative to the display device.

A television comprises a display screen and the non-contact limiting structure.

Compared with the prior art, the utility model discloses following beneficial effect is brought:

the utility model discloses set up non-contact limit structure between display device and moving part, utilize the principle that magnet homopolar repellence, heteropolar attracted to inject the motion of moving part, when realizing the limiting displacement to the moving part, can also reach the silence effect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 shows a front view of a television set according to a preferred embodiment of the present invention;

FIG. 2 shows a side view of the television set shown in FIG. 1;

fig. 3 is a side view of a television set according to another preferred embodiment of the present invention in a first state;

FIG. 4 shows a partial enlarged view at B in FIG. 3;

fig. 5 shows a side view of a television set according to another preferred embodiment of the present invention;

fig. 6 shows a partial enlarged view at a in fig. 5.

Description of the main element symbols:

100-a television; 101-a display; 102-a base; 103-a support frame; 104-rear shell; 105-pits; 20-a sound box; 31-a first magnet; 32-a second magnet; 41-an electromagnet; 42-armature.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Example one

Referring to fig. 1 to 4, the present embodiment discloses a non-contact type limiting structure, which is applied to a display device, wherein the display device is provided with a movable member capable of stretching back and forth relative to the display device, and a movable gap is left between the movable member and the display device; the non-contact limiting structure is arranged in the movable gap and limits the movement of the movable part by utilizing the principle that like poles of magnets repel and unlike poles of magnets attract.

The non-contact limiting structure may be a permanent magnet, an electromagnet, an armature capable of attracting the magnet, iron, or the like.

Through set up non-contact limit structure between display device and moving part, utilize the principle that magnet homopolar repulsion, heteropolar attraction come to inject the motion of moving part, when realizing the limiting displacement to the moving part, can also reach the silence effect.

Specifically, in one embodiment, the display device is a television 100, the television 100 includes a display 101 and a housing, the housing includes a front shell and a rear shell 104, the display 101 is installed in an accommodating space formed by the front shell and the rear shell 104, and the rear shell 104 is installed behind the television 100.

Specifically, in this embodiment, the movable member is a sound box 20, and the sound box 20 is installed on the rear case 104 of the television 100 in a manner of being able to ascend and descend. Specifically, the sound box 20 has a rectangular shape, the rear case 104 is provided with a pit 105, the shape and size of the pit 105 are matched with those of the sound box 20, the pit 105 is arranged at the bottom of the rear case 104, the bottom of the pit 105 is provided with an opening, and the sound box 20 can be vertically arranged in the pit 105. When the sound box 20 is lifted to the right position, the whole sound box 20 is just positioned in the concave pit 105; when the sound box 20 is lowered, the lower end of the sound box 20 extends beyond the bottom edge of the television 100, so that sound can be provided to the television 100 from below.

The non-contact limiting structure comprises an electromagnet 41 embedded in the rear shell 104 and an armature 42 embedded in the sound box 20. Specifically, the electromagnet 41 is embedded in the bottom wall of the recess 105, the electromagnet 41 is located at the bottom of the recess 105, and the armature 42 is installed in the middle of the sound box 20. The electromagnet 41 generates magnetic force after being energized, so as to generate suction force to the armature 42 embedded in the sound box 20, and bind the sound box 20, so that the sound box 20 does not generate large shaking or swinging in the lifting process or the normal playing process. Especially, when the sound box 20 plays sound, a large vibration is generated, and at this time, the swing amplitude of the sound box 20 is limited due to the attraction of the electromagnet 41 to the armature 42. Compared with the mode of adopting a contact limiting structure in the prior art, a new structural component cannot be added between the television 100 and the sound box 20, the phenomenon of locking can be avoided, and the work of structural maintenance is saved.

It is understood that the number of the electromagnets 41 may be one or two or more than one, and the number of the armatures 42 may be two or more than one. When the electromagnets 41 and the armatures 42 are provided in plurality, the electromagnets 41 and the armatures 42 are uniformly arranged along the transverse direction of the television 100, so that a stronger and balanced attraction limiting effect is provided for the sound box 20.

As a further improvement, the non-contact limiting structure further includes an inductor and a control module, the inductor is installed on the television 100 and is used for detecting the position information of the sound box 20, and the control module is integrated in the controller of the television 100 and is used for starting the electromagnet 41 when the sound box 20 descends to the proper position. The specific working principle is as follows:

when the television 100 is in an idle state, the sound box 20 is accommodated in the pit 105, at this time, the sensor senses that the position of the sound box 20 is an initial position, and the electromagnet 41 is not electrified under the control of the control module, so that the electromagnet 41 does not attract the armature 42, and no attraction action exists between the television 100 and the sound box 20;

when the television 100 is turned on, the sound box 20 moves downward under the driving of the driving device, and when the sound box 20 descends to the proper position, the sensor senses that the position of the sound box 20 is the working position, and the electromagnet 41 is powered on under the control of the control module, so that the electromagnet 41 attracts the armature 42, the sound box 20 is prevented from shaking or swinging excessively, and the function of limiting the position of the sound box 20 is achieved.

Example two

Referring to fig. 1, 5-6, the difference between the present embodiment and the first embodiment is: the non-contact limiting structure comprises a first magnet 31 embedded in the rear shell 104 and a second magnet 32 embedded in the sound box 20, and the first magnet 31 and the second magnet 32 are opposite in homopolar.

By arranging the first magnet 31 and the second magnet 32 in a manner of homopolar opposition, a repulsive force perpendicular to the movement direction of the first magnet can be provided for the sound box 20, so that the whole process of ascending or descending of the sound box 20 is more stable and smooth, and the phenomenon of blocking is avoided; meanwhile, as no other structural components are arranged between the television 100 and the audio box 20, the distance between the television 100 and the audio box 20 can be set to be smaller, which is beneficial to the reduction of the whole volume of the television 100 and meets the design requirements of modern people on the television 100. Compared with a limiting structure adopting structure types, the structure basically does not generate any noise in the working process and does not need maintenance.

As a further improvement, the rear shell 104 is provided with a pit 105, the shape and size of the pit 105 are matched with the shape and size of the sound box 20, and the sound box 20 can be vertically and vertically arranged in the pit 105; the first magnet 31 is installed at the center of the recess 105, and the second magnet 32 is installed at the center of the sound box 20.

The first magnet 31 and the second magnet 32 repel each other, so as to act on the sound box 20, so that the sound box 20 always receives an acting force perpendicular to the moving direction of the sound box in the lifting process, and the sound box 20 can move more stably and smoothly.

Preferably, when the number of the first magnets 31 and the second magnets 32 is multiple, the multiple first magnets 31 and the multiple second magnets 32 are uniformly arranged along the transverse direction of the television 100, so as to provide a more stable and balanced repulsive limiting effect for the sound box 20, and avoid the occurrence of the jamming phenomenon.

EXAMPLE III

The present embodiment is different from the above two embodiments in that: the sound box 20 is installed on the left side or the right side of the television 100, and the sound box 20 can horizontally extend and retract relative to the television 100.

As in the two embodiments, the television 100 has a rear casing 104, the left side or the right side of the rear casing 104 is respectively provided with a recess 105, the sound box 20 can be horizontally and telescopically installed in the recess 105, and the left and right recesses 105 are symmetrically arranged.

When the loudspeaker box is not started, the loudspeaker box 20 is completely accommodated in the pit 105; when the television is turned on, the sound box 20 is driven by the driving device to horizontally extend out of the concave pit 105 beyond the left edge and the right edge of the television 100, and sound is provided from both sides of the television 100.

In this embodiment, the non-contact type stopper structure is the same as that provided in the first and second embodiments. In the process of horizontal stretching of the sound box 20, the principle that like poles of magnets repel each other and unlike poles of magnets attract each other is utilized to limit the motion process of the sound box 20, so that excessive shaking or swinging of the sound box is prevented, and the phenomenon of blocking is avoided.

Example four

The present embodiment discloses a television 100, which includes a display screen and the non-contact limiting structure in the above three embodiments. The television 100 of the embodiment defines the movement of the moving part by arranging the non-contact limiting structure between the display device and the moving part and utilizing the principle that like poles of magnets repel and unlike poles attract, and can achieve the silencing effect while realizing the limiting effect on the moving part. The non-contact limiting structure does not add redundant structural components between the television 100 and the audio box 20, and meets the design requirement of the modern television 100 for simplicity and beauty.

As a further improvement, the television 100 further includes a base 102 and a supporting frame 103, a bottom end of the supporting frame 103 is connected to the base 102, and an upper end of the supporting frame 103 is connected to the rear shell 104. It should be noted that when the sound box 20 moves downward, its lowest position does not contact the base 102.

It should be noted that, in the above four embodiments, the display device is a specific implementation of the television 100, but according to the concept of the present invention, the display device is not limited to the television 100, and may be a computer, an advertisement screen, or the like.

In the above embodiment, the movable member has the sound box 20 as a specific embodiment, but according to the concept of the present invention, the movable member is not limited to the sound box 20, and may be a camera or the like.

To sum up, the utility model discloses set up non-contact limit structure between display device and moving part, utilize the principle that the homopolar repulsion, heteropolar attraction of magnet prescribe a limit to the motion of moving part, when realizing the limiting displacement to the moving part, can also reach the silence effect. Compared with the prior art, the contact type limiting structure is simpler and more attractive, and the maintenance work is saved.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (10)

1. The utility model provides a non-contact limit structure, is applied to display device on its characterized in that: the display device is provided with a movable piece which can do reciprocating telescopic motion relative to the display device, and a movable gap is reserved between the movable piece and the display device; the non-contact limiting structure is arranged in the movable gap and limits the movement of the movable part by utilizing the principle that like poles of magnets repel and unlike poles of magnets attract.

2. The non-contact spacing structure of claim 1, wherein: the movable piece can be installed on the rear shell of the display device in a vertically lifting mode, and the non-contact limiting structure comprises at least one electromagnet embedded in the rear shell and at least one armature embedded in the movable piece.

3. The non-contact spacing structure of claim 2, wherein: the rear shell is provided with a pit, the shape and the size of the pit are matched with those of the movable piece, and the movable piece can be arranged in the pit in an up-down lifting manner; the electromagnet is embedded in the bottom wall of the pit, the electromagnet is located at the bottom of the pit, and the armature is installed in the middle of the moving part.

4. The non-contact spacing structure of claim 3, wherein: the electromagnets and the armatures are all arranged in a plurality, and the electromagnets and the armatures are all uniformly arranged along the transverse direction of the display equipment.

5. The non-contact spacing structure of claim 2, wherein: the electromagnetic type moving piece is characterized by further comprising an inductor and a control module, wherein the inductor is used for detecting the position information of the moving piece, and the control module is used for starting the electromagnet when the moving piece descends to the right position.

6. The non-contact spacing structure of claim 1, wherein: the movable part can be installed on the rear shell of the display device in an up-down lifting mode, the non-contact limiting structure comprises at least one first magnet and at least one second magnet, the first magnet is buried in the rear shell, the second magnet is buried in the movable part, and the homopolar poles of the first magnet and the second magnet are opposite.

7. The non-contact spacing structure of claim 6, wherein: the rear shell is provided with a pit, the shape and the size of the pit are matched with those of the movable piece, and the movable piece can be arranged in the pit in an up-down lifting manner; the first magnet is arranged in the middle of the pit, and the second magnet is arranged in the middle of the movable piece.

8. The non-contact spacing structure of claim 1, wherein: the display device is a television, and the moving part is a sound box.

9. The non-contact spacing structure of claim 1, wherein: the moving part is installed on the left side or the right side of the display device, and the moving part can do horizontal telescopic motion relative to the display device.

10. A television set, characterized by: the television set comprises a display screen and the non-contact limiting structure as claimed in any one of claims 2 to 9.

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