Hidden locking device for vehicle-mounted trim cover

Abstract

The utility model relates to the technical field of rail transit passenger information display equipment systems, and discloses a vehicle-mounted decorative cover hidden type locking device which comprises an LCD equipment screen body, a dust blocking cover is fixedly installed on the back face of the LCD equipment screen body, an inner core circuit board is arranged in the dust blocking cover, and an outer core circuit board is arranged in the inner core circuit board. The inner core circuit board is installed on the back face of the LCD equipment screen body, and a decorative cover hidden type locking assembly is arranged on the outer wall of the LCD equipment screen body. According to the decorative cover hidden type locking assembly, the front cover plate and the screen body are fixed on the side edges through the hook bodies on the two sides of the frame plate, then the front cover plate and the screen body are fixed in the middle through the lock hook frame, and finally the front cover plate and the screen body are fixed through the fixing through hole formed in the lower portion of the surface of the front cover plate. And the captive screws and the fixing through holes are fastened through the locking seats, so that the overall aesthetic degree is improved, and the LCD display screen is prevented from being damaged by passengers.

Description

Technical Field

[0001] The utility model relates to the technical field of rail transit passenger information display equipment systems, in particular to a hidden locking device for a vehicle-mounted decorative cover. Background Art

[0002] At present, the display terminals in the rail transit passenger information display equipment system are mostly installed with exposed screws, and the fasteners are visible outside the installation position, which not only affects the overall aesthetics, but also makes it easy for passengers to disassemble it. To this end, we provide a hidden locking device for the vehicle-mounted decorative cover to improve the overall appearance of the LCD device and prevent non-professionals from disassembling it. Utility Model Content

[0003] The purpose of the utility model is to provide a hidden locking device for a vehicle-mounted decorative cover to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hidden locking device for a vehicle-mounted decorative cover, comprising an LCD device screen, a dust cover fixedly installed on the back of the LCD device screen, an inner core circuit board arranged inside the dust cover, and the inner core circuit board is installed on the back of the LCD device screen, and a hidden locking assembly for the decorative cover is arranged on the outer wall of the LCD device screen.

[0005] Preferably, the decorative cover hidden locking assembly comprises: a front cover plate embedded in the outer wall of the LCD device screen.

[0006] Preferably, a frame plate is fixedly mounted on the back side of the front cover plate, connecting plates are fixedly mounted on both sides of the frame plate, and hook bodies are integrally formed at both ends of the connecting plates.

[0007] Preferably, locking seats are fixedly installed on both sides of the back side of the frame plate, and captive screws are arranged through the locking seats.

[0008] Preferably, a lock hook frame is provided at the middle portion of the back side of the frame plate.

[0009] Preferably, a speaker sound outlet hole and a fixing through hole are provided below the surface of the front cover plate, and the fixing through holes are located on both sides of the speaker sound outlet hole.

[0010] Preferably, the lock hook frame specifically includes: a lock hook plate, the lock hook plate is fixedly installed at the middle part of the back side of the frame plate, a lock hook end block 1 is fixedly installed on the lock hook plate, and a lock hook end block 2 is fixedly installed on the lock hook end block 1.

[0011] The utility model provides a hidden locking device for a vehicle decorative cover, which has the following beneficial effects:

[0012] (1) The utility model first connects the front cover plate and the screen body by hooks on the upper and lower sides, thereby fixing the front cover plate; the position is matched by hanging, and the position of the speaker outlet is used for tightening to prevent passengers from accidentally touching or disassembling and damaging.

[0013] (2) The utility model designs a decorative cover with a hidden locking assembly, fixes the front cover plate and the screen body at the sides by using the hook bodies on both sides of the frame plate, and then fixes the front cover plate and the screen body in the middle by using the locking hook frame. Finally, the fixing through hole opened under the surface of the front cover plate is used to fasten the captive screws to the fixing through hole through the locking seat, thereby improving the overall aesthetics and preventing passengers from damaging the LCD display screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a front perspective view of the overall structure of the utility model;

[0015] Figure 2 It is a back perspective view of the overall structure of the utility model;

[0016] Figure 3 This is an exploded view of the overall structure of the utility model;

[0017] Figure 4 This is a view of the hidden locking assembly of the decorative cover of the utility model.

[0018] In the figure: 111 LCD device screen body, 112 inner core circuit board, 113 dust cover, 2 decorative cover hidden locking assembly, 211 front cover plate, 212 frame plate, 213 connecting plate, 214 hook body, 215 locking seat, 216 captive screws, 217 lock hook frame, 218 speaker sound outlet, 219 fixing through hole, 2171 lock hook plate, 2172 lock hook end block one, 2173 lock hook end block two. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0021] A preferred embodiment of the hidden locking device for a vehicle decorative cover provided by the utility model is as follows Figure 1-4 As shown: a hidden locking device for a vehicle-mounted decorative cover, comprising an LCD device screen body 111, a dust cover 113 is fixedly installed on the back of the LCD device screen body 111, an inner core circuit board 112 is arranged inside the dust cover 113, and the inner core circuit board 112 is installed on the back of the LCD device screen body 111, and a decorative cover hidden locking assembly 2 is arranged on the outer wall of the LCD device screen body 111;

[0022] The decorative cover hidden locking assembly 2 includes: a front cover plate 211, which is embedded in the outer wall of the LCD device screen body 111; a frame plate 212 is fixedly installed on the back of the front cover plate 211, and connecting plates 213 are fixedly installed on both sides of the frame plate 212, and hook bodies 214 are formed integrally at both ends of the connecting plate 213; locking seats 215 are fixedly installed on both sides of the back of the frame plate 212, and captive screws 216 are provided through the locking seats 215; the middle part of the back of the frame plate 212 A lock hook frame 217 is provided; a speaker sound outlet hole 218 and a fixing through hole 219 are provided below the surface of the front cover plate 211, and the fixing through hole 219 is located on both sides of the speaker sound outlet hole 218; the lock hook frame 217 specifically includes: a lock hook plate 2171, the lock hook plate 2171 is fixedly installed at the middle part of the back side of the frame plate 212, a lock hook end block 1 2172 is fixedly installed on the lock hook plate 2171, and a lock hook end block 2173 is fixedly installed on the lock hook end block 1 2172.

[0023] The front cover plate 211 is first hung and assembled with the screen body through the hooks on the upper and lower sides, so as to fix the front cover plate; the position is matched by hanging, and the position of the speaker outlet hole is used for tightening to prevent passengers from accidentally touching or disassembling and damaging.

[0024] When in use, the user first uses the hook bodies 214 on both sides of the frame plate 212 to fix the front cover plate 211 and the screen body at the sides, and then uses the locking hook frame 217 to fix the front cover plate 211 and the screen body in the middle. Finally, use the fixing through hole 219 opened under the surface of the front cover plate 211 to fasten the captive screws 216 and the fixing through hole 219 through the locking seat 215, so as to achieve the purpose of hidden locking of the vehicle-mounted decorative cover and prevent passengers from accidentally touching or disassembling and damaging it.

[0025] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A hidden locking device for a vehicle-mounted decorative cover, comprising an LCD device screen (111), characterized in that: A dust cover (113) is fixedly mounted on the back of the LCD device screen (111), an inner core circuit board (112) is arranged inside the dust cover (113), and the inner core circuit board (112) is mounted on the back of the LCD device screen (111), and a decorative cover hidden locking assembly (2) is arranged on the outer wall of the LCD device screen (111).

2. A hidden locking device for a vehicle decorative cover according to claim 1, characterized in that: The decorative cover hidden locking assembly (2) comprises: a front cover plate (211) embedded in the outer wall of the LCD device screen body (111).

3. A hidden locking device for a vehicle decorative cover according to claim 2, characterized in that: A frame plate (212) is fixedly mounted on the back of the front cover plate (211), connecting plates (213) are fixedly mounted on both sides of the frame plate (212), and hook bodies (214) are integrally formed at both ends of the connecting plate (213).

4. The hidden locking device for a vehicle decorative cover according to claim 3, characterized in that: Locking seats (215) are fixedly mounted on both sides of the back side of the frame plate (212), and captive screws (216) are arranged through the locking seats (215).

5. The hidden locking device for a vehicle decorative cover according to claim 3, characterized in that: A lock hook frame (217) is provided at the middle portion of the back side of the frame plate (212).

6. The hidden locking device for a vehicle decorative cover according to claim 2, characterized in that: A speaker sound outlet hole (218) and a fixing through hole (219) are provided below the surface of the front cover plate (211), and the fixing through holes (219) are located on both sides of the speaker sound outlet hole (218).

7. The hidden locking device for a vehicle decorative cover according to claim 5, characterized in that: The lock hook frame (217) specifically comprises: a lock hook plate (2171), wherein the lock hook plate (2171) is fixedly mounted at the middle portion of the back side of the frame plate (212), a lock hook end block 1 (2172) is fixedly mounted on the lock hook plate (2171), and a lock hook end block 2 (2173) is fixedly mounted on the lock hook end block 1 (2172).

Images