CN-224217205-U - Four-in-one screen frame assembly for projection optical machine

CN224217205UCN 224217205 UCN224217205 UCN 224217205UCN-224217205-U

Abstract

The utility model provides a four-in-one screen frame assembly for a projection light machine, which comprises a first heat-insulating glass, a heat-insulating support, an LCD screen, a screen frame buckle, a screen frame, a second heat-insulating glass and a phenanthrene mirror, wherein the first heat-insulating glass is arranged in a mounting groove at the lower end of the heat-insulating support, the LCD screen is arranged in the mounting groove at the upper end of the heat-insulating support, the second heat-insulating glass is arranged in the mounting groove at the upper end of the screen frame, the lower end face of the screen frame is abutted with the upper end face of the heat-insulating support, the opening area at the lower end of the screen frame is smaller than the area of the LCD screen, the buckles at the upper side of the second heat-insulating glass and the lower side of the first heat-insulating glass are correspondingly buckled at the edges of the upper end face of the screen frame, and the first heat-insulating glass are assembled into a module by the first heat-insulating glass, the heat-insulating support, the LCD screen, the screen frame buckle, the screen frame, the second heat-insulating glass and the phenanthrene mirror.

Inventors

REN LEJUN
NONG JINGJIE

Assignees

长沙创荣电子科技有限公司

Dates

Publication Date: 20260508
Application Date: 20250509

Claims (10)

1. A four-in-one screen frame assembly for a projection light machine is characterized by comprising a first heat-insulating glass, a heat-insulating support, an LCD screen, a screen frame buckle, a screen frame, a second heat-insulating glass and a phenanthrene mirror, The LCD screen is installed in the mounting groove of thermal-insulated support lower extreme, the second thermal-insulated glass sets up the inside of screen frame, the phenanthrene mirror sets up in the mounting groove of screen frame upper end, the lower terminal surface of screen frame with the up end butt of thermal-insulated support, just the open area of screen frame lower extreme is less than the area of LCD screen, the knot that the upper and lower both ends of screen frame knot correspond is in the upside and the downside of first thermal-insulated glass of second thermal-insulated glass, the border of screen frame up end is provided with several phenanthrene mirror buckle.
2. The four-in-one shelf assembly for a projector according to claim 1, wherein the shelf and the heat insulating support are each rectangular frame structures, The inner edges of the lower end surfaces of the side edges of the heat insulation support are respectively provided with a first step which is recessed upwards, the four first steps are mutually communicated to form a mounting groove for mounting the first heat insulation glass, The inner edge of the upper end surface of each side of the heat insulation support is respectively provided with a second step which is sunken downwards, the four second steps are mutually communicated to form a mounting groove for mounting the LCD screen, The inner edges of the upper end surfaces of the side edges of the screen frame are respectively provided with a third step which is sunken downwards, the four third steps are mutually communicated to form a mounting groove for mounting the phenanthrene mirror, At least two connecting plates are respectively arranged on the inner walls of the two long sides of the screen frame, fourth steps are arranged at the top ends of the connecting plates, and the second heat-insulating glass is arranged on the fourth steps.
3. The four-in-one screen frame assembly for a projector according to claim 2, wherein the screen frame buckles are fastened outside two short sides of the first heat-insulating glass and the second heat-insulating glass, two ends of the screen frame are respectively provided with a screen frame buckle mounting hole, the screen frame buckles are in a shape of '[', and the upper ends of the two screen frame buckles respectively penetrate through the screen frame buckle mounting Kong Kouzhuang and are fastened on the upper side and the lower end of the second heat-insulating glass on the lower side of the first heat-insulating glass.
4. A four-in-one shelf assembly for a projector according to claim 3, wherein shelf button mounting grooves are provided on outer side walls of both short sides of the shelf and the heat insulation support, respectively, longitudinal portions of the shelf buttons are located in the shelf button mounting grooves, and outer surfaces of the shelf buttons, the shelf and the heat insulation support located on the same side are located on the same plane.
5. The four-in-one shelf assembly for a projector according to claim 2, wherein inner ends of the plurality of said phenanthrene mirror snaps each extend inwardly a distance beyond inner walls of sides of said shelf, the corners above the inner ends of the plurality of phenanthrene mirror buckles on one side of the screen frame are respectively chamfered, and the corners below the inner ends of the plurality of phenanthrene mirror buckles on the other side of the screen frame are respectively chamfered.
6. The four-in-one screen frame assembly for a projector according to claim 2, wherein a plurality of through holes are respectively and transversely arranged on two long side edges of the screen frame and the heat insulation support in parallel, the number of the through holes on the two long side edges of the screen frame and the heat insulation support is the same, and the upper position and the lower position are in one-to-one correspondence.
7. The four-in-one screen frame assembly for a projection light machine according to claim 2, wherein first buckle plates are respectively arranged on the lower end surfaces of two short side edges of the screen frame, grooves are respectively arranged on the outer surfaces of the two short side edges of the heat insulation support at positions corresponding to the first buckle plates, and locking blocks capable of being buckled with the first buckle plates are arranged inside the grooves.
8. The four-in-one shelf assembly for a projector of claim 7, wherein the outer surface of the short side on the same side of the shelf and insulating support is on the same plane as the outer surface of the first pinch plate on the same side.
9. The four-in-one screen frame assembly for a projector according to claim 7, wherein a protruding strip is arranged on the outer side wall of one long side edge of the heat insulation support, second buckle plates are respectively arranged on the other long side edge of the heat insulation support and the outer edge of the upper surface of the protruding strip, and the upper ends of the second buckle plates are respectively buckled in through holes in the screen frame.
10. The four-in-one shelf assembly for a projector according to claim 9, wherein a positioning notch is provided at a position corresponding to the second buckle plate at an edge of the through hole on one side of the shelf, a longitudinal portion of the second buckle plate is located in the positioning notch, outer surfaces of long sides located on the same side of the shelf and the heat insulation support are located on the same plane, and outer surfaces of the second buckle plate located in the positioning notch are located on the same plane as outer surfaces of long sides of the shelf and the heat insulation support on the same side.

Description

Four-in-one screen frame assembly for projection optical machine Technical Field The utility model relates to the technical field of projectors, in particular to a four-in-one screen frame assembly for a projection light machine. Background With the continuous development of technology, projection technology is advancing, and projectors have been widely used in meeting, teaching, entertainment, and other places. The existing projector is complex in structure, the assembly and disassembly are not easy, meanwhile, the lens is a fragile object, so that the lens is easy to break in the process of lens assembly and disassembly, and meanwhile, a plurality of parts can have larger accumulated errors in assembly, so that the risk of light leakage can be caused. Disclosure of utility model Aiming at the problems in the prior art, the utility model provides a four-in-one screen frame assembly for a projection optical machine, which is used for solving the problems in the background art. In order to achieve the above purpose, the utility model adopts the following technical scheme: A four-in-one screen frame component for a projection light machine comprises a first heat-insulating glass, a heat-insulating bracket, an LCD screen, a screen frame buckle, a screen frame, a second heat-insulating glass and a phenanthrene mirror, The LCD screen is installed in the mounting groove of thermal-insulated support lower extreme, the second thermal-insulated glass sets up the inside of screen frame, the phenanthrene mirror sets up in the mounting groove of screen frame upper end, the lower terminal surface of screen frame with the up end butt of thermal-insulated support, just the open area of screen frame lower extreme is less than the area of LCD screen, the knot that the upper and lower both ends of screen frame knot correspond is in the upside and the downside of first thermal-insulated glass of second thermal-insulated glass, the border of screen frame up end is provided with several phenanthrene mirror buckle. In one embodiment, the screen frame and the heat insulation support are respectively rectangular frame structures, The inner edges of the lower end surfaces of the side edges of the heat insulation support are respectively provided with a first step which is recessed upwards, the four first steps are mutually communicated to form a mounting groove for mounting the first heat insulation glass, The inner edge of the upper end surface of each side of the heat insulation support is respectively provided with a second step which is sunken downwards, the four second steps are mutually communicated to form a mounting groove for mounting the LCD screen, The inner edges of the upper end surfaces of the side edges of the screen frame are respectively provided with a third step which is sunken downwards, the four third steps are mutually communicated to form a mounting groove for mounting the phenanthrene mirror, At least two connecting plates are respectively arranged on the inner walls of the two long sides of the screen frame, fourth steps are arranged at the top ends of the connecting plates, and the second heat-insulating glass is arranged on the fourth steps. In one embodiment, the screen frame buckles are fastened outside the two short sides of the first heat-insulating glass and the second heat-insulating glass, two ends of the screen frame are respectively provided with a screen frame buckle installation hole, the screen frame buckles are in a shape of '[', the upper ends of the two screen frame buckles respectively penetrate through the screen frame buckle installation Kong Kouzhuang to be fastened on the upper side and the lower end of the second heat-insulating glass to be fastened on the lower side of the first heat-insulating glass. In one embodiment, the outer side walls of the two short sides of the screen frame and the heat insulation support are respectively provided with a screen frame buckle installation groove, the longitudinal parts of the screen frame buckles are positioned in the screen frame buckle installation grooves, and the outer surfaces of the screen frame buckles, the screen frame and the heat insulation support which are positioned on the same side are positioned on the same plane. In one embodiment, the inner ends of the plurality of phenanthrene mirror buckles extend inwards for a section respectively and exceed the inner walls of the side edges of the screen frame, the corners above the inner ends of the plurality of phenanthrene mirror buckles on one side of the screen frame are respectively chamfered, and the corners below the inner ends of the plurality of phenanthrene mirror buckles on the other side of the screen frame are respectively chamfered. In one embodiment, the two long sides of the screen frame and the heat insulation support are respectively provided with a plurality of through holes in a transverse side-by-side mode, the number of the through holes on the two long sides of the