CN214399449U - Multimedia equipment mounting structure with hidden buckle - Google Patents

Abstract

The utility model relates to an elevator field, especially a multimedia device mounting structure with hidden buckle, include: the multimedia component is hinged to one side of the installation window of the wall plate; the back of the multimedia assembly is provided with a magnetic latch lock, the back of the edge of the mounting window of the wallboard is provided with a lock catch part, and the lock catch part is provided with an insertion hole; the bolt piece of the magnetic latch lock extends out to the jack in parallel with the multimedia component or retracts into the inner space of the edge of the multimedia component to be separated from the jack. The magnetic latch lock can be opened by means of magnetic induction or electric control and other technical means, a lock hole does not need to be formed in the front face of the wall plate, the magnetic latch lock and the lock catch portion are arranged on the back face of the multimedia assembly or the back face of the wall plate in a hidden mode, the multimedia assembly is mounted on the wall plate, the multimedia assembly is convenient to detach, and the integral attractiveness of the front face of the wall plate cannot be influenced.

Description

Multimedia equipment mounting structure with hidden buckle

Technical Field

The utility model relates to an elevator field, especially a multimedia device mounting structure with hidden buckle.

Background

As a playback apparatus, a multimedia apparatus has become an important and indispensable apparatus in indoor places and public places. Multimedia equipment also becomes a part of people's life that is closely related, and simultaneously, in the elevator field, how to provide abundant media information for the passenger, mould a comfortable pleasing and aesthetic car environment is the more and more designer's problem of considering.

Therefore, in the design and manufacture process of the elevator with the multimedia, the integral aesthetic feeling of the elevator needs to be considered after the multimedia equipment is installed, and whether the multimedia equipment is convenient to install, maintain and replace or not needs to be considered; however, in the prior art, multimedia equipment additionally installed in an elevator generally has two types, namely an external hanging type multimedia equipment and an internal embedded type multimedia equipment; the elevator wall plate is externally hung and is arranged on the wall of the elevator car in a punching mode, and the front side of the elevator wall plate is not attractive enough in the installation mode; built-in embedded type is generally adopted, built-in fixing pieces (screws) are arranged on the wall of the elevator car, and the installation mode needs to be operated on the back of the wall plate, so that multimedia installation, maintenance and replacement are inconvenient. Therefore, how to develop an elevator multimedia equipment installation structure which can facilitate the installation, maintenance and replacement operation of multimedia equipment without destroying the overall aesthetic feeling of the elevator is a technical problem to be solved urgently in the field.

SUMMERY OF THE UTILITY MODEL

To the above defect, the utility model aims to provide a multimedia device mounting structure with hidden buckle, it can make the elevator whole more pleasing to the eye, can make things convenient for multimedia device to install again, maintain and change the operation.

To achieve the purpose, the utility model adopts the following technical proposal:

a multimedia device mounting structure with concealed snap comprising: the multimedia component is hinged to one side of the installation window of the wall plate; the back of the multimedia assembly is provided with a magnetic latch lock, the back of the edge of the mounting window of the wallboard is provided with a lock catch part, and the lock catch part is provided with an insertion hole; the bolt piece of the magnetic latch lock extends out to the jack in parallel with the multimedia component or retracts into the inner space of the edge of the multimedia component to be separated from the jack.

Preferably, the magnetic latch lock is an electromagnetic latch lock; and the control module of the electromagnetic latch lock is electrically connected with the multimedia assembly.

Preferably, the magnetic deadbolt lock includes: the device comprises a shell, a magnet block, a lock tongue piece and a lock tongue driving piece; one side of the shell is a locking surface, and the locking surface is provided with a bolt expansion port; any side surface vertical to the locking surface is provided with a driving expansion port; the sliding end of the bolt piece is provided with a sliding hole, and the extending end of the bolt piece can slide in the telescopic opening of the bolt in a telescopic way; the spring bolt driving piece comprises a driving end, a magnetic suction end and an inclined section connected between the driving end and the magnetic suction end; the spring bolt driving piece passes the slide opening, the end can be in to inhale magnetism drives flexible intraoral flexible slip, and works as the slope section of spring bolt driving piece is in when sliding in the slide opening, the extension end of spring bolt spare is for the flexible slip of spring bolt expansion mouth is.

Preferably, the back of the multimedia component is provided with an iron plate, and the driving expansion port is arranged close to the iron plate; the extension end of the latch piece can do telescopic motion along the direction vertical to the edge of the multimedia component.

Preferably, the driving end of the spring bolt driving piece is provided with a transverse guide groove, a guide pillar is arranged in the shell, and the guide pillar is limited and arranged in the transverse guide groove.

Preferably, the magnetic attraction end and the driving end of the spring bolt driving piece are transversely arranged, the magnetic attraction end of the spring bolt driving piece is lower than the driving end, and two ends of the inclined section are respectively connected with the magnetic attraction end and the driving end.

Preferably, the multimedia component and the installation window are installed in a hinged manner through the hinge assembly, and the hinge assembly includes: the fixing seat, the rotating seat and the pin shaft; the fixed seat and the rotating seat are both provided with rotating shaft holes; the rotating seat is connected with the wall plate, the fixed seat is connected with the multimedia assembly, the pin shaft penetrates through a rotating shaft hole formed in the fixed seat and the rotating seat, and two ends of the pin shaft are limited at the outer sides of the fixed seat and the rotating seat, so that the fixed seat and the rotating seat are rotatably sleeved outside the pin shaft.

Preferably, at least one end of the pin shaft is provided with a pin hole, and a limit pin piece is detachably inserted and installed in the pin hole.

Preferably, the multimedia component includes: the display screen, the mounting frame and the mounting plate, wherein a display window is arranged in the middle of the mounting plate; the screw is screwed in from the back of the mounting plate, the mounting frame is detachably mounted on the back of the mounting plate, the display screen is arranged on the mounting frame, and the display surface of the display screen is just opposite to and embedded into the display window; the edge of the installation window is provided with a limiting piece, one end of the limiting piece is connected with the back of the installation window, and the other end of the limiting piece is parallel to the wall plate and extends into the installation window.

Preferably, the multimedia device mounting knot with the concealed buckle further comprises a magnetic key piece, and the magnetic key piece comprises: a magnet piece; the magnet piece is a permanent magnet or an electromagnet device; a spring part is arranged between the back surface of the multimedia component and the wall plate; the spring piece is used for bouncing the multimedia component and the wall plate apart.

The utility model provides a multimedia equipment mounting structure with a hidden buckle, a magnetic bolt lock and a lock catch part which are arranged on the multimedia equipment mounting structure can cover and lock a multimedia component on a wall plate or separate the multimedia component and the wall plate according to specific operation; more preferably, the magnetic latch lock can be opened by magnetic induction or electric control and other technical means, a lock hole does not need to be arranged on the front face of the wall plate, the magnetic latch lock and the lock catch part are hidden on the back face of the multimedia assembly or the back face of the wall plate, and the multimedia assembly is arranged on the wall plate, so that the magnetic latch lock is convenient to disassemble and the integral attractiveness of the front face of the wall plate is not influenced. In addition, under the condition that a magnetic key is not available or the installation position of the magnetic bolt lock body is not clear, since the front face of the wall plate is not provided with a lock hole, an unscheduled operator is difficult to open the multimedia component, and the antitheft effect is achieved.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the present invention;

FIG. 2 is a schematic diagram of another perspective of the embodiment of FIG. 1;

FIG. 3 is a schematic rear view of the embodiment of FIG. 1;

fig. 4 is a schematic perspective view of the magnetic latch lock according to an embodiment of the present invention;

FIG. 5 is a cross-sectional view of the magnetic latch lock according to an embodiment of the present invention

Fig. 6 is an enlarged schematic view of a circled portion a in fig. 2.

Wherein: the magnetic latch lock comprises a magnetic latch lock 12, a locking part 13, a wall plate 14, a hinge assembly 15, a mounting window 16, a fixed seat 17, a rotating seat 18, a pin shaft 19, a shell 20, a latch piece 22, a sliding end 221, an extending end 222, a latch driving piece 23, a magnet block 231, a magnetic attraction end 232, an inclined section 233, a driving end 234, a transverse guide groove 235, a multimedia assembly 24, a display screen 25, a mounting frame 26, a mounting plate 27, a limiting piece 28 and an iron plate piece 29.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 1 to 6, a multimedia device mounting structure with a concealed buckle includes: a wall panel 14 and a multimedia assembly 24 hinged to one side of the mounting window 16 of said wall panel 14; the back of the multimedia assembly 24 is provided with a magnetic latch lock 12, the back of the edge of the installation window 16 of the wall plate 14 is provided with a locking part 13, and the locking part 13 is provided with a jack; the latch bolt 22 of the magnetic latch lock 12 is extended out into the jack in parallel with the multimedia component 24 or retracted into the space inside the edge of the multimedia component 24 to be separated from the jack.

The magnetic deadbolt lock 12 may be implemented in a number of specific ways, such as: the magnetic latch lock 12 is an electromagnetic latch lock; the control module of the electromagnetic latch lock is electrically connected with the multimedia assembly 24. When the multimedia assembly 24 needs to be opened, the bolt of the electromagnetic latch lock can be contracted only by sending an electrifying or power-off operation instruction to the control module, the multimedia assembly 24 is separated from the wall plate 14, and an operator can open the multimedia assembly 24 along the hinge assembly 15; similarly, when the multimedia component 24 needs to be covered on the wall plate 14, the multimedia component 24 and the installation window 16 are covered, and then an electrifying or powering-off operation instruction is sent to the control module, so that the bolt of the electromagnetic latch lock extends out and is inserted into the buckling part, and the multimedia component 24 and the wall plate 14 are stably locked.

When the magnetic latch lock is an electromagnetic latch lock, electric energy is consumed, the structure and the control circuit are complex, and the application cost is increased; when the magnetic latch lock 12 is a simple mechanical structure, the application cost and the maintenance rate can be effectively reduced; when the magnetic latch lock 12 is implemented using a mechanical structure, the magnetic latch lock 12 is specifically configured as follows:

as shown in fig. 3-5, the magnetic deadbolt lock 12 includes: a housing 20, a magnet block 21, a latch bolt 22 and a latch bolt driving member 23; one side of the shell 20 is a locking surface, and the locking surface is provided with a bolt expansion port; any side surface vertical to the locking surface is provided with a driving expansion port; the sliding end 221 of the bolt piece 22 is provided with a sliding hole, and the extending end 222 thereof can slide in the bolt telescopic hole in a telescopic way; the bolt driving piece 23 comprises a driving end 234, a magnetic attraction end 232 and an inclined section 233 connected between the driving end 234 and the magnetic attraction end 232; the bolt driving member 23 passes through the sliding hole, the magnetic attraction end 232 can slide in the driving telescopic hole in a telescopic manner, and when the inclined section 233 of the bolt driving member 23 slides in the sliding hole, the extension end 222 of the bolt member 22 slides in a telescopic manner relative to the bolt telescopic hole.

When the magnetic latch lock 12 is applied, an operator needs to hold a magnetic key piece by hand to drive the bolt piece 22 to stretch and retract; the magnetic key piece includes: a magnet piece; the magnet piece can be a permanent magnet or an electromagnet device; in order to achieve the technical purpose of reducing energy consumption as much as possible, a permanent magnet is adopted as an optimal scheme; when the permanent magnet and the magnet block 21 are driven to be close to each other, the principle of repulsion of like poles needs to be utilized.

Specifically, the back of the multimedia component 24 is provided with an iron plate 29, and the driving expansion port is arranged close to the iron plate 29; the extending end 222 of the latch 22 can move telescopically in a direction perpendicular to the edge of the multimedia component 24, and specifically, as shown in fig. 3, extends vertically downward to engage with the locking portion 13. The driving end 234 of the bolt driving member 23 is provided with a transverse guide groove 235, a guide pillar is arranged in the housing 20, and the guide pillar is limited and arranged in the transverse guide groove 235; so that the driving end 234 of the latch bolt driving piece 23 slides more smoothly and stably.

The magnetic attraction end 232 and the driving end 234 of the bolt driving member 23 are transversely arranged, the magnetic attraction end 232 of the bolt driving member 23 is lower than the driving end 234, and two ends of the inclined section 233 are respectively connected with the magnetic attraction end 232 and the driving end 234.

When the magnetic key is not close to the vicinity of the area where the iron plate 29 of the multimedia component 24 is located, the magnet 21 will drive the latch driving member 23 to approach the iron plate 29 due to the magnetic force, and further pull the inclined section 233 to slide into the sliding hole from the position where the inclined section passes through the sliding hole to the position where the driving end 234 slides into the sliding hole, so that the extending end 222 of the latch 22 extends out of the housing 20.

The operation and the principle of driving the bolt to contract by utilizing the magnetic key piece are specifically as follows: when the magnetic key element is close to the area near the iron plate 29, that is, close to the magnet block 21, the magnet block 21 and the magnetic key generate a repulsive force due to the principle that like poles repel each other, and because the iron plate 29 is not magnetic, the repulsive force between the magnetic key element and the magnet block 21 is greater than the attractive force between the magnet block 21 and the iron plate 29, so that the magnet block 21 is pushed into the housing 20, the magnet block 21 drives the lock tongue driving element 23 to slide, and the inclined section 233 passes through the sliding hole until the extending end 222 of the lock tongue is retracted into the housing 20, that is, the unlocking operation is completed; further, since the magnetic key member is magnetic, it will also generate an attractive force on the iron plate 29 while pushing the magnet block 21 to slide toward the iron plate 29; after the unlocking operation is finished, when an operator pulls the magnetic key piece to pull outwards away from the front direction of the wall plate 14, the multimedia component 24 can be turned and opened easily, and at the moment, the magnetic key piece is equal to a handle structure, so that the turning operation of the operator is greatly facilitated; furthermore, to further facilitate the ability of the multimedia module 24 to be separated from the wall plate 14 in the unlocked state, a spring member may be provided between the rear surface of the multimedia module 24 and the wall plate 14; the spring member is used for springing the multimedia component 24 and the wall plate 14 apart; in particular, the spring member may be a return torsion spring mounted on the hinge assembly 15.

The operation and the principle of driving the bolt to contract by utilizing the magnetic key piece are as follows: when an operator holds the magnetic key element to turn over the multimedia component 24 and completely cover the multimedia component 24 in the mounting window 16, the multimedia component 24 is pressed in the mounting window 16 by other external forces, and the magnetic key element is separated from the multimedia component 24, after the magnetic key element is separated from the multimedia component 24, the magnet 21 is close to the iron plate 29 by magnetic force, so as to drive the extending end 222 of the latch piece 22 to extend into the insertion hole of the locking part 13, and thus, the locking operation of the multimedia component 24 on the wall plate 14 is completed.

As shown in fig. 3 and 6, the multimedia module 24 is hingedly mounted to the mounting window 16 by the hinge assembly 15, and the hinge assembly 15 includes: the device comprises a fixed seat 17, a rotating seat 18 and a pin shaft 19, wherein the fixed seat 17 and the rotating seat 18 are respectively provided with a rotating shaft hole; the rotating seat 18 is connected with the wall plate 14, the fixed seat 17 is connected with the multimedia component 24, the pin shaft 19 penetrates through a rotating shaft hole formed in the fixed seat 17 and the rotating seat 18, and two ends of the pin shaft 19 are limited at the outer sides of the fixed seat 17 and the rotating seat 18, so that the fixed seat 17 and the rotating seat 18 are rotatably sleeved outside the pin shaft 19. The hinge assembly 15 is implemented in a variety of ways, and in the above embodiment, the pin 19 is completely detachable from the fixed seat 17 and the rotating seat 18, so that the multimedia assembly 24 can be easily assembled with or disassembled from the wall plate 14.

Specifically, at least one end of the pin shaft 19 is provided with a pin hole, and a limit pin piece is detachably inserted and installed in the pin hole; the mounting or dismounting operation of the multimedia module 24 to or from the wall plate 14 can be further facilitated.

The multimedia component 24 comprises: the display screen 25, the mounting frame 26 and the mounting plate 27, wherein a display window is arranged in the middle of the mounting plate 27; the screws are screwed in from the back of the mounting plate 27, the mounting frame 26 is detachably mounted on the back of the mounting plate 27, the display screen 25 is arranged on the mounting frame 26, and the display surface of the display screen 25 is opposite to and embedded in the display window; a limiting member 28 is disposed at an edge of the installation window 16, one end of the limiting member 28 is connected to the back surface of the installation window 16, and the other end of the limiting member 28 extends into the installation window 16 in parallel with the wall plate 14.

The front surface of the wall plate 14 does not need to be provided with screw holes, the integral beauty of the elevator car, namely the front surface of the wall plate 14 is kept, and when the multimedia assembly 24 is covered with the wall plate 14, the mounting plate 27 is overlapped with the wall plate 14 at the corresponding position, so that the integral feeling of the elevator car is further improved.

The number of the limiting members 28 is specifically four, two of the limiting members are located at two corners of the lower end of the installation window 16, and the other two limiting members are located at the middle positions of two sides of the installation window 16; the position-limiting member 28 can limit the multimedia component 24, and prevent the multimedia component 24 from being pushed by an external force to turn over toward the inside of the hoistway on the back side of the wall plate 14.

In the above embodiment, the wall panel 14 is a front wall panel 14 of the car, and the wall panel 14 includes: the wall plate 14 comprises a bottom plate, a reinforcing rib and a head plate, and the wall plate 14 can also be implemented by using side plates at other positions of the car, and the skilled person can freely select the wall plate according to the actual setting requirement.

The multimedia device mounting structure with the concealed buckle further comprises a magnetic key piece, wherein the magnetic key piece comprises: a magnet piece; the magnet piece is a permanent magnet or an electromagnet device; a spring member is arranged between the back surface of the multimedia component 24 and the wall plate 14; the spring member is used to spring the multimedia component 24 away from the wall plate 14.

The utility model provides a multimedia equipment mounting structure with hidden buckle, the magnetic bolt lock 12 and the lock catch part 13 arranged on the multimedia equipment mounting structure can cover and lock the multimedia component 24 on the wall plate 14 or separate the multimedia component and the wall plate according to the concrete operation; preferably, the magnetic latch lock 12 can be unlocked by magnetic induction or electric control, etc., without a lock hole on the front surface of the wall plate 14, and the latch portion 13 and the multimedia component 24 are hidden on the back surface of the multimedia component 24 or the back surface of the wall plate 14, and the multimedia component 24 is mounted on the wall plate 14, which is convenient to detach and does not affect the overall beauty of the front surface of the wall plate 14. Furthermore, in the absence of a magnetic key or in the absence of a specific location for the magnetic deadbolt lock 12, it is difficult for an unscheduled operator to open the multimedia component 24 because the front face of the wall panel 14 is not provided with a keyhole, thereby also providing security.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims (10)

1. A multimedia device mounting structure with concealed snap comprising: the multimedia component is hinged to one side of the installation window of the wall plate;

the multimedia assembly is characterized in that a magnetic latch lock is arranged on the back of the multimedia assembly, a locking part is arranged on the back of the edge of the mounting window of the wallboard, and a jack is arranged in the locking part;

the bolt piece of the magnetic latch lock extends out to the jack in parallel with the multimedia component or retracts into the inner space of the edge of the multimedia component to be separated from the jack.

2. The multimedia device mounting structure with concealed buckle according to claim 1, wherein said magnetic latch lock is an electromagnetic latch lock; and the control module of the electromagnetic latch lock is electrically connected with the multimedia assembly.

3. The multimedia device mounting structure with concealed clasp of claim 1, wherein the magnetic latch lock comprises: the device comprises a shell, a magnet block, a lock tongue piece and a lock tongue driving piece;

one side of the shell is a locking surface, and the locking surface is provided with a bolt expansion port; any side surface vertical to the locking surface is provided with a driving expansion port;

the sliding end of the bolt piece is provided with a sliding hole, and the extending end of the bolt piece can slide in the telescopic opening of the bolt in a telescopic way;

the spring bolt driving piece comprises a driving end, a magnetic suction end and an inclined section connected between the driving end and the magnetic suction end;

the spring bolt driving piece passes the slide opening, the end can be in to inhale magnetism drives flexible intraoral flexible slip, and works as the slope section of spring bolt driving piece is in when sliding in the slide opening, the extension end of spring bolt spare is for the flexible slip of spring bolt expansion mouth is.

4. The multimedia device mounting structure with concealed buckle according to claim 3, wherein said multimedia component is provided with a sheet iron member on the back side, and said driving expansion port is disposed proximate to said sheet iron member; the extension end of the latch piece can do telescopic motion along the direction vertical to the edge of the multimedia component.

5. The multimedia device installation structure with concealed buckle according to claim 3, wherein said driving end of said latch driving member is provided with a transverse guiding groove, and said housing is provided with a guiding post, said guiding post is disposed in said transverse guiding groove in a limiting manner.

6. The multimedia device installation structure with the concealed buckle according to claim 3, wherein the magnetic attraction end and the driving end of the latch driving member are transversely arranged, the magnetic attraction end of the latch driving member is lower than the driving end, and two ends of the inclined section are respectively connected with the magnetic attraction end and the driving end.

7. The multimedia device mounting structure with concealed clasp of claim 1, wherein the multimedia component is hingedly mounted with the mounting window by a hinge assembly, the hinge assembly comprising: the fixing seat, the rotating seat and the pin shaft;

the fixed seat and the rotating seat are both provided with rotating shaft holes;

the rotating seat is connected with the wall plate, the fixed seat is connected with the multimedia component,

the hinge pin penetrates through a rotating shaft hole formed in the fixed seat and the rotating seat, and two ends of the hinge pin are limited at the outer sides of the fixed seat and the rotating seat, so that the fixed seat and the rotating seat are rotatably sleeved outside the hinge pin.

8. The multimedia device installation structure with concealed buckle according to claim 7, wherein said pin shaft has a pin hole at least one end, and a position-limiting pin member is detachably inserted and installed in said pin hole.

9. The multimedia device mounting structure with concealed clasp of claim 1, wherein the multimedia assembly comprises: the display screen, the mounting frame, the mounting plate and the screws, wherein a display window is arranged in the middle of the mounting plate;

the screw is screwed in from the back of the mounting plate, the mounting frame is detachably mounted on the back of the mounting plate, the display screen is arranged on the mounting frame, and the display surface of the display screen is opposite to and embedded into the display window;

the edge of the installation window is provided with a limiting piece, one end of the limiting piece is connected with the back of the installation window, and the other end of the limiting piece is parallel to the wall plate and extends into the installation window.

10. The multimedia device mounting structure with concealed buckle according to claim 1, further comprising a magnetic key member, said magnetic key member comprising: a magnet piece; the magnet piece is a permanent magnet or an electromagnet device; a spring part is arranged between the back surface of the multimedia component and the wall plate; the spring piece is used for bouncing the multimedia component and the wall plate apart.

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