CN216671109U

CN216671109U - Embedded sign

Info

Publication number: CN216671109U
Application number: CN202122708937.2U
Authority: CN
Inventors: 杭华; 张祖冲
Original assignee: Baiyi Lighting Shanghai Holdings Ltd
Current assignee: Baiyi Lighting Shanghai Holdings Ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-06-03
Anticipated expiration: 2031-11-05

Abstract

The application discloses embedded sign, including mount, mount pad and display panel. The fixing frame comprises a mounting plate and an embedded structure formed on the top of the mounting plate, wherein the embedded structure is matched with a through hole in a ceiling. The mounting plate is protruded out of the embedded structure in the circumferential direction of the embedded structure so as to be fixed at the bottom of the ceiling, and the mounting plate forms a mounting hole penetrating into the embedded structure along the length direction. The mounting seat is arranged in the embedded structure, and a power supply element, a control element and a light-emitting element which are connected through electric signals are arranged in the mounting seat, wherein the light-emitting element is over against the mounting hole. The display panel is matched with the mounting hole, is vertically mounted at the bottom of the mounting seat and extends towards the direction far away from the mounting seat, and the display panel comprises a light guide plate connected with the light-emitting elements. The sign mounting structure is firm and can mount display boards with two thickness specifications.

Description

Embedded sign

Technical Field

The utility model relates to the technical field of indicating equipment, in particular to an embedded type indicating board.

Background

The sign generally plays a role in indicating or guiding, is a lighting tool often used in emergency, such as power failure, fire fighting and the like, and is arranged for guiding the evacuation of trapped people or the development of rescue actions, has the characteristics of low power consumption, high brightness, long service life and the like, and is widely applied to public places such as office buildings, hotels, schools and the like.

Usually, the indication board includes a display panel, a fixed housing, a control element and a power supply element, wherein the control element and the power supply element are both disposed in the fixed housing, and the display panel is fixedly mounted at the bottom of the fixed housing and suspended to fully perform the indication function.

On the ceiling, the sign is generally hung below the ceiling through a connecting wire, and when being influenced by external factors such as wind power, the risk of falling easily occurs.

In addition, control element and power supply element generally fix in fixed casing through the mount pad, and the mount pad carries out fastening connection through the screw on fixed casing, or directly carries out welded fastening, in case control element or power supply element go wrong, it is more troublesome to dismantle, is unfavorable for maintenance and the maintenance in later stage.

In addition, the sign often still can set up some external buttons, for example test key to whether detect the sign and can normally work. However, the external keys are arranged on the surface of the mounting seat, and are easily affected by impurities such as dust, so that the service life of the external keys is easily prolonged, and external impurities are easily made to enter the mounting seat through the external keys, so that the work and the service life of the internal control element and the power supply element are affected.

Moreover, the display panel often fixes on the mount pad through screw or welded mode, although joint strength is higher, is difficult to drop, but more difficult when needs are dismantled or are changed the display panel, especially take place to be difficult to dismantle after the corrosion for a long time using, then need change whole sign this moment, not only resource-wasting has still improved cost in business.

Finally, in different locations, the required thickness of the display panel may not be consistent, often requiring the preparation of multiple signs of different sizes. When the display panel in one specification needs to be replaced, only the display panel with the same specification can be purchased or produced, which is troublesome; meanwhile, when the sign of a specification is not used, the display panel therein can be idle, so that the waste of resources is easily caused, and the storage cost is increased. Accordingly, it is desirable to provide a sign that can be adapted to mount display panels of different thickness specifications.

SUMMERY OF THE UTILITY MODEL

The embedded type indication board has the advantages that the indication board can be directly embedded and installed on a ceiling through the embedded structure on the fixing frame and the installation plate, the installation and the fixation are firmer, the indication board is not easy to fall off, and the use is safer.

One advantage of the present invention is to provide an embedded sign, wherein a plurality of elastic members are symmetrically disposed in a circumferential direction of an embedded structure, and the other ends of the elastic members protrude from a mounting plate and extend toward a direction approaching to the mounting plate, so that the sign can be directly clamped on a ceiling by matching with the mounting plate, and the sign is more convenient to mount and dismount and is firmly fixed.

One advantage of the present invention is to provide an embedded signboard, which facilitates installation and fixation of a mounting seat by providing a fixing groove in an embedded structure and providing a plurality of snaps on both sides of the fixing groove.

One advantage of the present invention is to provide an embedded sign, in which a hidden control cavity is disposed at a position on an embedded structure corresponding to an external key of a mounting base, so as to effectively protect the external key and components inside the mounting base, and reduce the harm of various impurities such as dust.

An advantage of the present invention is to provide an embedded signboard in which a display panel can be very conveniently snap-mounted in a mounting base, facilitating the disassembly, assembly, maintenance, and replacement of the display panel.

One advantage of the present invention is to provide an embedded signboard, which facilitates the installation of a mounting seat in a fixing groove by providing a trapezoidal insertion structure at the bottom of the mounting seat, and stabilizes a display panel by the insertion structure cooperating with a mounting hole.

One advantage of the present invention is to provide an embedded sign, which can form different clamping fixing widths in a clamping groove by arranging a limiting protrusion assembly in the clamping groove, is suitable for mounting two display panels with different thickness specifications, and can effectively reduce resource waste and cost for stock.

To achieve at least one of the above advantages, the present invention provides an embedded signboard to be installed on a ceiling, wherein the signboard includes:

a fixing frame, wherein the fixing frame comprises a mounting plate and an embedding structure formed at the top of the mounting plate, the embedding structure is matched with a through hole on the ceiling, the mounting plate protrudes out of the embedding structure in the circumferential direction of the embedding structure so as to be fixed at the bottom of the ceiling, and the mounting plate is provided with a mounting hole penetrating into the embedding structure along the length direction;

the mounting seat is arranged in the embedded structure, and a power supply element, a control element and a light-emitting element which are connected by electric signals are mounted in the mounting seat, wherein the light-emitting element is opposite to the mounting hole; and

and the display panel is matched with the mounting hole, is vertically mounted at the bottom of the mounting seat and extends towards the direction far away from the mounting seat, and the display panel comprises a light guide plate connected with the light-emitting elements.

According to an embodiment of the utility model, at least two elastic pieces are symmetrically arranged on one side of the embedded structure, which is far away from the mounting plate, in the circumferential direction, and the other ends of the elastic pieces protrude out of the mounting plate and extend towards the direction which tends to be close to the mounting plate, so that the embedded clamping installation of the indicator in the ceiling is realized through the matching with the mounting plate.

According to an embodiment of the present invention, the embedded structure forms a fixing groove along a length direction of the mounting plate to accommodate the mounting seat, and a plurality of buckles are disposed on two sides of the fixing groove in a width direction to guide and limit the mounting seat;

the mounting hole is provided at a groove bottom of the fixing groove.

According to an embodiment of the present invention, a guide portion and a limiting portion are disposed on a top portion of the buckle, wherein the guide portion is an inclined structure that is inclined inward from a top portion away from the mounting plate to a bottom portion, and the limiting portion is formed on the bottom portion of the guide portion to limit the mounting seat after the mounting seat slides into the fixing groove from the guide portion.

According to an embodiment of the present invention, the embedded structure further forms a hidden control cavity on a side wall of the fixing groove, the control cavity is provided with a first opening and a second opening, the second opening is formed on the mounting plate, the first opening faces the fixing groove, and the fixing seat is provided with an external key facing the first opening.

According to an embodiment of the utility model, at least two L-shaped bayonets are arranged at intervals on the top of the display panel, and the at least two L-shaped bayonets extend in the same direction, wherein each L-shaped bayonet comprises a vertical bayonet and a transverse bayonet which are communicated with each other;

the bottom of mount pad is provided with the joint groove to hold the display panel, the mount pad in the joint inslot is provided with the stopper, the stopper with L type bayonet socket cooperatees, so that the display panel can pass through vertical bayonet socket inserts the joint inslot, and can pass through after horizontal migration horizontal bayonet socket with the cooperation of stopper makes the both ends of display panel use the mount pad is central symmetric distribution.

According to an embodiment of the utility model, at least one L-shaped bayonet is arranged at the top of the display panel, the L-shaped bayonet comprises a vertical bayonet and a transverse bayonet which are communicated, a second bayonet which extends in the same direction as the transverse bayonet is arranged on either the left side or the right side of the display panel, and the opening of the transverse bayonet faces the second bayonet;

the bottom of mount pad is provided with the joint groove to hold the display panel, the mount pad in the joint inslot be provided with L type bayonet socket with second bayonet socket matched with first stopper and second stopper respectively, wherein the second stopper is located the tip in joint groove, so that the display panel can pass through vertical bayonet socket inserts the joint inslot to can pass through behind the horizontal migration horizontal bayonet socket with the cooperation of first stopper and the second bayonet socket with the cooperation of second stopper, make the both ends of display panel with the both ends parallel and level of mount pad.

According to one embodiment of the utility model, the bottom of the mounting seat is provided with an inserting structure, the inserting structure extends along the length direction of the mounting seat, the section of the inserting structure is trapezoidal, the width size of the inserting structure close to the middle part is matched with the mounting hole, and the clamping groove is formed in the inserting structure.

According to an embodiment of the present invention, the insertion structure is provided with at least two limiting protrusion assemblies at intervals in the clamping groove along the length direction of the clamping groove, and the limiting protrusion assemblies include limiting protrusions symmetrically arranged on two sides of the clamping groove so as to form a second limiting groove in the clamping groove;

the thickness of the display panel is matched with the groove width of the second limiting groove, or the thickness of the display panel is matched with the groove width of the clamping groove, when the thickness of the display panel is matched with the thickness of the clamping groove, a position avoiding notch matched with the limiting protrusion is arranged at the top of the display panel, so that the display panel can be inserted into the groove bottom of the clamping groove and can horizontally move for a preset distance.

According to an embodiment of the present invention, the display panel further includes an image plate attached to a surface of the light guide plate.

These and other objects, features and advantages of the present invention will become more fully apparent from the following detailed description.

Drawings

Fig. 1 shows a schematic view of the structure of an embedded sign according to the present application.

Fig. 2 shows a schematic view of the structure of the present application in which the mount is assembled in the mount.

Fig. 3 shows a schematic structural diagram of the fixing frame in the present application.

Fig. 4 shows a schematic diagram of a structure of a display panel in the present application.

Fig. 5 shows another schematic structure of the display panel in the present application.

Fig. 6 shows a schematic structural diagram of the fixing base in the present application.

Fig. 7 shows a schematic view of the structure of the display panel in the present application.

Detailed Description

The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the utility model, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.

It will be understood by those skilled in the art that in the disclosure of the specification, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those illustrated in the drawings, which are merely for convenience in describing the utility model and to simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and, therefore, the terms should not be construed as limiting the utility model.

It is understood that the terms "a" and "an" should be interpreted as meaning "at least one" or "one or more," i.e., that a quantity of one element may be one in one embodiment, while a quantity of another element may be plural in other embodiments, and the terms "a" and "an" should not be interpreted as limiting the quantity.

Referring to fig. 1 to 7, an embedded signboard according to a preferred embodiment of the present invention will be described in detail below, wherein the embedded signboard is directly installed on a ceiling to improve the installation stability of the signboard, to prevent the signboard from falling off, to make the use safer, and to effectively reduce the occupied space of the signboard.

The sign comprises a fixing frame 10, a mounting seat 20 and a display panel 30, wherein the fixing frame 10 comprises a mounting plate 11 and an embedded structure 12 formed at the top of the mounting plate 11, wherein the embedded structure 12 is matched with a through hole on the ceiling so as to be embedded into the through hole of the ceiling through the embedded structure 12 when the sign is mounted. Meanwhile, the mounting plate 11 protrudes from the embedded structure 12 in a circumferential direction of the embedded structure 12 to be able to be fixed to the bottom of the ceiling. The mounting plate 11 is fixed to the ceiling, for example, by screws or other fasteners. In addition, the mounting plate 11 is formed with a mounting hole 13 penetrating into the embedding structure 12 in a length direction. The mounting seat 20 is disposed in the embedding structure 12, and a power supply element, a control element and a light emitting element which are connected by electric signals are mounted in the mounting seat 20, so as to supply power to the control element and the light emitting element through the power supply element, such as a battery, and the light emitting element is controlled by the control element, and meanwhile, the light emitting element faces the mounting hole 13. The display panel 30 is fitted into the mounting hole 13, is vertically mounted on the bottom of the mounting seat 20, and extends in a direction away from the mounting seat 20. In addition, the display panel 30 includes a light guide plate connected to the light emitting elements. After the light emitting elements are lightened, preset images, figures or other indicating information are displayed to the outside through the light guide plate so as to realize an indicating function.

Typically, the control element is implemented as a driver board or a control board, and the light emitting element is implemented as a light board or an LED light board.

It should be noted that the display panel 30 preferably further includes an image plate attached to the surface of the light guide plate, wherein the image plate is preset with indication information such as image information, graphic information, or text information indicating the escape direction, and further such as image information, graphic information, or text information indicating the destination direction of a toilet, a conference room, a makeup room, and the like.

The sign that this application provided is through setting up embedding structure 12 with mounting panel 11 can be installed by direct embedding on the ceiling, the relation of connection is more firm, is difficult to drop, uses safelyr, can also effectively reduce the occupation space of sign simultaneously.

Preferably, at least two elastic members 121 are symmetrically disposed on a side of the embedded structure 12 away from the mounting plate 11 in the circumferential direction, wherein the elastic members 121 are further preferably implemented as two, and the two elastic members 121 are symmetrically disposed on two sides of the embedded structure 12 near the middle portion in the length direction or the width direction, so as to provide a stable supporting connection effect. In addition, to further strengthen the supporting connection, the elastic members 121 may be implemented as three, four or six. Meanwhile, the embedded structure 12 may be implemented as a rectangular parallelepiped, or may be implemented as a cylinder or a prism. The other end of elastic component 121 bulges mounting panel 11 to towards tending to be close to the direction of mounting panel 11 extends, in order through with the cooperation of mounting panel 11 is realized the sign is in embedded joint installation in the ceiling, wherein "the bulge" of the other end of elastic component 121 refers to simultaneously transversely and vertically the bulge mounting panel 11, in order to ensure elastic component 121 with the cooperation of mounting panel 11 realize with the joint relation of ceiling. In addition, the elastic member 121 is preferably implemented as a torsion spring.

In this way, when the indication board is fixed in the embedded manner, the elastic member 121 is simply broken to be inserted into the through hole of the ceiling together with the embedded structure 12. When external force disappears, elastic component 121 automatic re-setting, the card is in the top of ceiling, simultaneously mounting panel 11 pastes the bottom of ceiling, thereby elastic component 121 with realize under mounting panel 11's the cooperation the sign is in joint installation on the ceiling, the dismouting is very convenient, has avoided on the sign with correspond on the ceiling and process some mounting holes or other erection equipment to it is right effectively to reduce or even avoided the sign with the damage of the inherent structural stability of ceiling.

Preferably, the embedding structure 12 forms a fixing groove 122 along the length direction of the mounting plate 11 to accommodate the mounting base 20, and a plurality of buckles 123 are disposed on two sides of the fixing groove 122 in the width direction to guide and limit the mounting base 20, so as to facilitate the assembly and disassembly of the mounting base 20, and further facilitate the replacement and maintenance of components in the mounting base 20, and meanwhile, the stability of the mounting base 20 can be effectively improved by the limitation of the buckles 123;

the mounting hole 13 is provided at the bottom of the fixing groove 122.

Further preferably, a guide part 1231 and a limiting part 1232 are disposed at the top of the buckle 123, wherein the guide part 1231 is an inclined structure that gradually inclines inward from the top away from the mounting plate 11 to the bottom, and the limiting part 1232 is formed at the bottom of the guide part 1231. In this way, when the mounting base 20 is mounted, the mounting base 20 can rapidly move downwards along the inclined structure of the guiding portion 1231 and finally slide into the fixing groove 122, and when the mounting base 20 needs to be dismounted, the mounting base 20 can be easily taken out from the fixing groove 122 only by forcibly opening the buckle 123 outwards, which is convenient for dismounting. Obviously, the buckle 123 has certain elasticity and deformation resetting capability, such as plastic or plastic parts.

Further preferably, the embedding structure 12 further forms a hidden control chamber 14 on the sidewall of the fixing groove 122. The control chamber 14 is provided with a first opening 141 and a second opening 142, wherein the second opening 142 is formed on the mounting plate 11, the first opening 141 faces the fixing groove 122, and the fixing seat 20 is provided with an external key 21 facing the first opening 141, so that a hand or other operation tool can control the external key 21 through the second opening 142 at the bottom and the first opening 141 at the side. Generally, the external keys 21 include a detection key to detect whether the operation of the sign is stable before or during use. In this way, the external keys 21 are disposed in the hidden control cavity 14, so that the external keys 21 can be effectively protected, and external dust and other impurities are prevented from contacting the external keys 21 or entering the mounting seat 20 from the external keys 21 as much as possible, thereby prolonging the service life of the indicator.

As a preferred embodiment, with reference to fig. 4 and 6, at least two L-shaped bayonets 31 (one is shown in the figures) are spaced at the top of the display panel 30, and at least two L-shaped bayonets 31 extend in the same direction, where the L-shaped bayonets 31 include a vertical bayonet 311 and a horizontal bayonet 312 which are communicated with each other;

the bottom of the mounting base 20 is provided with a catching groove 22 to receive the display panel 30. The mounting base 20 is provided with a limiting block 23 in the clamping groove 22. The limiting block 23 is matched with the L-shaped bayonet 31, so that the display panel 30 can be inserted into the clamping groove 22 through the vertical bayonet 311, and after the display panel moves horizontally, the two ends of the display panel 30 can be symmetrically distributed by taking the mounting base 20 as a center through the matching of the transverse bayonet 312 and the limiting block 23, thereby completing the clamping of the display panel 30 on the mounting base 20. Through the cooperation of the limiting block 23 and the L-shaped bayonet 31, the display panel 30 can be very conveniently mounted on the mounting base 20, or can be removed from the mounting base 20. The snap-fit connection relationship can firmly fix the display panel 30 under the cooperation of the L-shaped bayonet 31 and the stopper 23, and meanwhile, avoids the corresponding processing operations such as manufacturing mounting holes or welding on the display panel 30 and the mounting seat 20, and can ensure the inherent structural stability of the display panel 30 and the mounting seat 20, and in addition, is convenient for flexible replacement of the display panel 30. In addition, the case where both ends of the display panel 30 are symmetrically distributed around the mounting seat 20 includes the case where both ends of the display panel 30 are flush with both ends of the mounting seat 20, the case where both ends of the display panel 30 are symmetrically protruded out of the mounting seat 20, and the case where both ends of the display panel 30 are symmetrically recessed in both ends of the mounting seat 20.

As another preferred embodiment, in conjunction with fig. 4 and 5, the display panel 30 is provided with at least one L-shaped bayonet 31 on the top. The L-shaped bayonet 31 includes a vertical bayonet 311 and a horizontal bayonet 312 which are communicated with each other, and a second bayonet 32 extending in the same direction as the horizontal bayonet 312 is disposed on either the left side or the right side of the display panel 30. The opening of the transverse bayonet 312 faces the second bayonet 32, so that the display panel 30 can move towards one side of the opening direction of the transverse bayonet 312 based on the transverse bayonet 312 and the second bayonet 32;

referring to fig. 7, the bottom of the mounting base 20 is provided with a catching groove 24 to receive the display panel 30. The mounting seat 20 is provided with a first limiting block 241 and a second limiting block 242 respectively matched with the L-shaped bayonet 31 and the second bayonet 32 in the clamping groove 24, wherein the second limiting block 242 is located at the end of the clamping groove 24, so that the display panel 30 can be inserted into the clamping groove 24 through the vertical bayonet 311, and after horizontal movement, the display panel 30 can be aligned with the two ends of the mounting seat 20 through the matching of the horizontal bayonet 312 and the first limiting block 241 and the matching of the second bayonet 32 and the second limiting block 242. The beneficial effects of this snap connection are explained in detail above and will not be described herein.

Preferably, referring to fig. 7, the bottom of the mounting seat 20 is provided with a plug structure 25, wherein the plug structure 25 extends along the length direction of the mounting seat 20, and the cross section of the plug structure 25 is trapezoidal. The width dimension of the plug-in structure 25 near the middle part is matched with the mounting hole 13. The clip groove 24 is formed in the insertion structure 25. By setting the cross section of the plug structure 25 to be trapezoidal, when the display panel 30 is mounted and inserted downward from the fixing groove 122, the side wall of the plug structure 25 can be matched with the mounting hole 13 to play a guiding role, and after the plug structure 25 is inserted downward and mounted in place, a tight connection relationship can be formed with the mounting hole 13, so that the display panel 30 can stably indicate.

Further preferably, the inserting structure 25 is provided with at least two limiting protrusion assemblies 26 at intervals in the clamping groove 24 along the length direction of the clamping groove 24, wherein when the limiting protrusion assemblies 26 are provided with a plurality of limiting protrusion assemblies 26, the limiting protrusion assemblies 26 at two ends are preferably arranged at two ends close to the clamping groove 24, so as to perform stable limiting. The limiting protrusion assembly 26 comprises limiting protrusions 261 symmetrically arranged at two sides of the groove bottom of the clamping groove 24 to form a second limiting groove 262 in the clamping groove 24, wherein in order to improve the structural strength of the limiting protrusions 261 and facilitate the processing of the limiting protrusions 261, the limiting protrusions 261 are preferably arranged at the groove bottom of the clamping groove 24, and in addition, the limiting protrusions 261 are preferably implemented as limiting plates extending along the length direction of the clamping groove 24 to enhance the limiting effect of the limiting protrusions 261;

referring to fig. 5, the thickness of the display panel 30 is adapted to the width of the second limiting groove 262, for example, the thickness of the display panel 30 is 2mm, so that the mount 20 can mount the display panel 30 with a smaller thickness through the second limiting groove 262; in addition, in the case of fig. 4, the thickness of the display panel 30 is adapted to the width of the clip groove 24, for example, the thickness of the display panel 30 is 3 mm. When the thickness of the display panel 30 is matched with the thickness of the clamping groove 24, the top of the display panel 30 is provided with a position avoiding notch 33 matched with the limiting protrusion 261, so that the display panel 30 can be inserted into the groove bottom of the clamping groove 24 and can horizontally move for a predetermined distance. That is, the space-avoiding notch 33 can not only completely accommodate the position-limiting protrusion 261, but also the lateral width of the space-avoiding notch 33 is sufficient to allow the display panel 30 to move through the lateral opening 312 or the second notch 32 without being obstructed by the position-limiting protrusion 261 in the lateral moving direction. In this way, the display panels 30 with two thickness specifications can be installed in the clamping groove 24 by the installation seat 20, so that the indication board can be used in areas with different thickness requirements, and the universality and the application range of the indication board are expanded.

It should be noted that the terms "first and second" in the present invention are used for descriptive purposes only, do not denote any order, are not to be construed as indicating or implying any relative importance, and are to be interpreted as names.

It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are given by way of example only and are not limiting of the utility model. The advantages of the present invention have been fully and effectively realized. The functional and structural principles of the present invention have been shown and described in the examples, and any variations or modifications of the embodiments of the present invention may be made without departing from the principles.

Claims

1. An embedded sign adapted to be mounted to a ceiling, wherein the sign comprises:

and the display panel is matched with the mounting hole, is vertically arranged at the bottom of the mounting seat and extends towards the direction far away from the mounting seat, and comprises a light guide plate connected with the light-emitting elements.

2. An embedded sign according to claim 1, wherein the side of the embedded structure remote from the mounting plate is symmetrically provided with at least two resilient members in a circumferential direction, and the other ends of the resilient members project from the mounting plate and extend in a direction tending to approach the mounting plate, so as to achieve embedded snap-fit mounting of the sign in the ceiling by cooperation with the mounting plate.

3. An embedded sign according to claim 2, wherein the embedding structure forms a fixing groove along a length direction of the mounting plate to receive the mounting seat, and is provided with a plurality of snaps at both sides of a width direction of the fixing groove to guide and restrain the mounting seat;

the mounting hole is provided at a groove bottom of the fixing groove.

4. An embedded signboard of claim 3, wherein the top of the buckle is provided with a guide portion and a stopper portion, wherein the guide portion is an inclined structure that is inclined inward from a top away from the mounting plate to a bottom, and the stopper portion is formed at a bottom of the guide portion to restrict the mounting plate after the mounting plate is slid into the fixing groove by the guide portion.

5. An embedded sign according to claim 4, wherein the embedding structure further forms a hidden control cavity in a side wall of the fixing groove, the control cavity is provided with a first opening and a second opening, wherein the second opening is formed in the mounting plate, the first opening faces the fixing groove, and the mounting base is provided with an external key facing the first opening.

6. An embedded signboard of claim 5 wherein the display panel has at least two spaced L-shaped bayonets at the top thereof, and at least two of the L-shaped bayonets extend in the same direction, wherein the L-shaped bayonets comprise a vertical bayonet and a horizontal bayonet which are connected;

7. An embedded signboard of claim 5, wherein the display panel is provided at a top thereof with at least one L-shaped bayonet, the L-shaped bayonet comprises a vertical bayonet and a horizontal bayonet which are communicated with each other, and a second bayonet extending in the same direction as the horizontal bayonet is provided at either of left and right sides of the display panel, and the horizontal bayonet is opened toward the second bayonet;

8. An embedded signboard of claim 6 or 7, wherein the bottom of the mounting seat is provided with a plug structure, wherein the plug structure extends along the length direction of the mounting seat, the cross section of the plug structure is trapezoidal, the width dimension of the plug structure near the middle part is matched with the mounting hole, and the clamping groove is formed in the plug structure.

9. The embedded signboard of claim 8, wherein the inserting structure is provided with at least two limiting protrusion assemblies at intervals along the length direction of the clamping groove in the clamping groove, the limiting protrusion assemblies comprise limiting protrusions symmetrically arranged on two sides of the clamping groove so as to form a second limiting groove in the clamping groove;

10. An embedded sign according to claim 9, wherein the display panel further comprises a picture panel attached to a surface of the light guide plate.