Rear projection television moving frame

Abstract

The utility model discloses a rear projection television moving frame which comprises a fixed base, height rods are fixedly installed on the two sides of the top end of the fixed base, the top ends of the two height rods are connected with length rods in a sliding mode, a plurality of threaded holes are formed in the surfaces of the two length rods, and a fixed frame assembly is installed between the two length rods. The fixed frame assembly comprises a fixed plate and two mounting plates, the two ends of one side of the fixed plate are fixedly connected with one sides of the two mounting plates respectively, and the other sides of the two mounting plates are fixedly provided with the heat conduction assemblies. The heat conducting plate and the heat conducting strip are in direct contact with the rear projection television, heat transfer heat dissipation and cooling are conducted on the rear projection television, the rear projection television is assembled on the fixing frame assembly through the fixing opening, and the moving wheels make contact with the ground to rotate, so that a user can conveniently transfer and transport the rear projection television fixed to the fixing frame assembly, and test and transport the rear projection television.

Description

Technical Field

[0001] The utility model relates to the technical field of rear projection television testing, in particular to a rear projection television mobile frame. Background Art

[0002] Rear-projection TV combines the screen and projection system by projecting from behind, forming a TV display system based on the principles of projection and reflection. This design makes the TV display more spacious and brighter, providing a better viewing experience. Rear-projection TV does not require any hardware equipment to be installed in front of the TV, only a reliable bracket is needed, so it can save space in the living room and will not block the field of vision of family customers. It also reduces the floor space of the living room. The screen size of rear-projection TV is larger, which can provide better audio-visual effects and improve the low-quality viewing experience. The screen width can effectively reduce the blur and noise of the program, so that users can get a more comfortable audio-visual effect without causing eye fatigue.

[0003] However, traditional rear-projection TVs have the following disadvantages:

[0004] Traditional rear-projection TVs are generally large and heavy, making it inconvenient to move or change the test position during testing. Summary of the Invention

[0005] The purpose of the present utility model is to provide a mobile stand for a rear-projection television, so as to solve the problem in the above background art that conventional rear-projection televisions are generally large and heavy, and are inconvenient to move or change the test position when testing.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a mobile stand for a rear-projection TV, comprising a fixed base, height rods are fixedly installed on both sides of the top of the fixed base, the tops of the two height rods are slidably connected to length rods, a plurality of threaded holes are provided on the surfaces of the two length rods, a fixed frame assembly is installed between the two length rods, the fixed frame assembly comprises a fixed plate and two mounting plates, the two ends of one side of the fixed plate are respectively fixedly connected to one side of the two mounting plates, the other sides of the two mounting plates are fixedly installed with a heat-conducting assembly, two support assemblies respectively located on one side of the height rod are fixedly installed on the fixed base, and a loading plate slidably connected to the two height rods is installed between the two support assemblies.

[0007] The surface of the fixing plate is provided with a plurality of fixing openings, and the middle portion of the fixing plate is provided with a plurality of heat dissipation openings. The user fixes the screws into the threaded holes through the fixing openings to fix the fixing frame assembly on the length rod.

[0008] Preferably, the two heat-conducting components both include a heat dissipation plate and a heat-conducting plate, the top of the heat dissipation plate is fixedly connected to the bottom of the heat-conducting plate, and a plurality of heat-conducting strips are fixedly installed on the top of the heat-conducting plate. The top of the heat dissipation plate is provided with an assembly plate, and the four corners of the top of the assembly plate are threadedly connected with assembly screws, and the tops of the four assembly screws are threaded through the heat-conducting plate and are connected with fixing nuts, and the bottom end of the assembly plate is fixedly connected to the mounting plate, and the heat-conducting plate and the heat-conducting strip cooperate with each other to increase the heat-conducting area of the heat-conducting component itself, and the heat-conducting plate and the heat-conducting strip are in direct contact with the rear-projection TV to transfer heat, dissipate heat and cool the rear-projection TV.

[0009] Preferably, the surfaces of the two height rods are threadedly connected with a first fixing screw, and the surfaces of the two height rods are fixedly connected to the two length rods through the first fixing screw. When the user turns the first fixing screw, the thread on the surface of the first fixing screw matches the thread on the inner wall of the height rod, so the user fixes the length rod on the height rod by turning the first fixing screw.

[0010] Preferably, the two support assemblies each include a support frame and a connecting rod, the top end of the support frame is slidably connected to the bottom end of the connecting rod, a self-locking telescopic rod is provided on one side of the support frame, the movable end of the self-locking telescopic rod is installed with a suction cup, the suction cup is adsorbed and connected to the side opposite to the connecting rod, the fixed ends of the two self-locking telescopic rods are respectively connected to the two height rods, when the user releases the fixation of the self-locking telescopic rod, the length of the self-locking telescopic rod slides, and the self-locking telescopic rod pushes the suction cup from one side, so that the suction cup is adsorbed on the connecting rod, so that the support assembly is in a triangular support shape to support the loading plate from the side.

[0011] Preferably, the bottom end of the support frame is fixedly connected to the fixed base, and the surface of the support frame is threadedly connected with a second fixing screw, and the support frame is fixedly connected to the connecting rod through the second fixing screw, and the opposite sides of the two connecting rods are respectively fixedly connected to the two sides of the carrier plate. When the user turns the second fixing screw, the thread on the surface of the second fixing screw matches the thread on the inner wall of the support frame, so the user turns the second fixing screw to complete the sliding of the support frame relative to the connecting rod, and adjusts the height of the supporting carrier plate supported by the support assembly.

[0012] Preferably, the four corners of the bottom end of the fixed base are fixedly mounted with moving wheels, and the fixed base is fixedly mounted with four shock-absorbing feet located on one side of the moving wheel. The moving wheel is in contact with the ground, and the rotation of the moving wheel facilitates the transfer and transportation of the mobile rack.

[0013] Compared with the prior art, the beneficial effects of the present invention are: by setting a fixed frame assembly, a heat-conducting assembly and a movable wheel, the heat-conducting plate and the heat-conducting strip are in direct contact with the rear-projection TV, heat transfer and heat dissipation are performed on the rear-projection TV, and the rear-projection TV is assembled on the fixed frame assembly through a fixing port, and the movable wheel rotates in contact with the ground, which makes it convenient for the user to transfer and transport the rear-projection TV fixed on the fixed frame assembly, and to test and transport it. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a side view of the utility model;

[0015] Figure 2 It is a partial diagram of the utility model;

[0016] Figure 3 It is a side view of the fixing frame assembly of the utility model;

[0017] Figure 4 It is a three-dimensional diagram of the heat-conducting component of the present invention.

[0018] In the figure: 1. Fixed base; 2. Height rod; 3. Length rod; 4. Fixed frame assembly; 41. Fixed plate; 42. Mounting plate; 43. Fixed port; 44. Heat dissipation port; 5. Heat conduction assembly; 51. Assembly plate; 52. Assembly screw; 53. Heat conduction plate; 54. Heat conduction strip; 55. Heat dissipation plate; 56. Fixed nut; 6. Threaded hole; 7. First fixing screw; 8. Loading plate; 9. Support assembly; 91. Support frame; 92. Connecting rod; 93. Self-locking telescopic rod; 94. Suction cup; 95. Second fixing screw; 10. Shock-absorbing foot; 11. Moving wheel. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0020] See also Figure 1-4 The utility model provides a mobile stand for a rear-projection TV, comprising a fixed base 1, height rods 2 are fixedly installed on both sides of the top of the fixed base 1, length rods 3 are slidably connected to the tops of the two height rods 2, a plurality of threaded holes 6 are opened on the surfaces of the two length rods 3, a fixed frame assembly 4 is installed between the two length rods 3, the fixed frame assembly 4 comprises a fixed plate 41 and two mounting plates 42, the two ends of one side of the fixed plate 41 are respectively fixedly connected to one side of the two mounting plates 42, a heat conducting assembly 5 is fixedly installed on the other side of the two mounting plates 42, two supporting assemblies 9 are fixedly installed on the fixed base 1, respectively located on one side of the height rod 2, and a loading plate 8 slidably connected to the two height rods 2 is installed between the two supporting assemblies 9.

[0021] The surface of the fixing plate 41 is provided with a plurality of fixing openings 43 , and the middle portion of the fixing plate 41 is provided with a plurality of heat dissipation openings 44 . The user fixes the screws into the threaded holes 6 through the fixing openings 43 to fix the fixing frame assembly 4 on the length rod 3 .

[0022] The two heat-conducting components 5 each include a heat sink 55 and a heat-conducting plate 53. The top of the heat sink 55 is fixedly connected to the bottom of the heat-conducting plate 53. Several heat-conducting strips 54 are fixedly installed on the top of the heat-conducting plate 53. An assembly plate 51 is provided on the top of the heat sink 55. The four corners of the top of the assembly plate 51 are threadedly connected with assembly screws 52. The tops of the four assembly screws 52 pass through the heat-conducting plate 53 and are threadedly connected with fixing nuts 56. The bottom end of the assembly plate 51 is fixedly connected to the mounting plate 42. The heat-conducting plate 53 and the heat-conducting strips 54 cooperate with each other to increase the heat-conducting area of the heat-conducting component 5 itself. The heat-conducting plate 53 and the heat-conducting strips 54 are in direct contact with the rear-projection TV to transfer heat, dissipate heat and cool the rear-projection TV.

[0023] The surfaces of the two height rods 2 are threadedly connected with the first fixing screws 7, and the surfaces of the two height rods 2 are fixedly connected to the two length rods 3 through the first fixing screws 7. When the user twists the first fixing screws 7, the threads on the surface of the first fixing screws 7 match the threads on the inner walls of the height rods 2, so the user fixes the length rods 3 on the height rods 2 by twisting the first fixing screws 7.

[0024] The two support assemblies 9 each include a support frame 91 and a connecting rod 92. The top of the support frame 91 is slidably connected to the bottom end of the connecting rod 92. A self-locking telescopic rod 93 is provided on one side of the support frame 91. A suction cup 94 is installed at the movable end of the self-locking telescopic rod 93. The suction cup 94 is adsorbed and connected to the side opposite to the connecting rod 92. The fixed ends of the two self-locking telescopic rods 93 are respectively connected to the two height rods 2. When the user releases the fixation of the self-locking telescopic rod 93, the length of the self-locking telescopic rod 93 slides, and the self-locking telescopic rod 93 pushes the suction cup 94 from one side, so that the suction cup 94 is adsorbed on the connecting rod 92, so that the support assembly 9 is in a triangular support shape to support the loading plate 8 from the side.

[0025] The bottom end of the support frame 91 is fixedly connected to the fixed base 1, and the surface of the support frame 91 is threadedly connected with a second fixing screw 95. The support frame 91 is fixedly connected to the connecting rod 92 through the second fixing screw 95, and the opposite sides of the two connecting rods 92 are respectively fixedly connected to the two sides of the carrier 8. The user turns the second fixing screw 95, and the thread on the surface of the second fixing screw 95 matches the thread on the inner wall of the support frame 91. Therefore, the user turns the second fixing screw 95 to complete the sliding of the support frame 91 relative to the connecting rod 92, and adjusts the height of the support assembly 9 supporting the carrier 8.

[0026] The four corners at the bottom of the fixed base 1 are fixedly installed with moving wheels 11. Four shock-absorbing feet 10 are fixedly installed on the fixed base 1 and are located on one side of the moving wheel 11. The moving wheel 11 is in contact with the ground. After the moving wheel 11 rotates, it is convenient for the mobile rack to be transferred and transported.

[0027] When the embodiment of the present application is in use: the user screws the first fixing screw 7, and the thread on the surface of the first fixing screw 7 matches the thread on the inner wall of the height rod 2, so the user fixes the length rod 3 to the height rod 2 by screwing the first fixing screw 7, and the user fixes the screw in the threaded hole 6 through the fixing opening 43, thereby fixing the fixing frame assembly 4 to the length rod 3, and the rear projection TV is fixed to the fixing frame assembly 4, and the heat conducting plate 53 and the heat conducting strip 54 cooperate with each other to increase the heat conducting area of the heat conducting assembly 5 itself, and the heat conducting plate 53 and the heat conducting strip 54 are in direct contact with the rear projection TV to transfer heat, dissipate heat and cool the rear projection TV.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A mobile stand for a rear projection television, comprising a fixed base (1), characterized in that: Both sides of the top of the fixed base (1) are fixedly installed with height rods (2), and the tops of the two height rods (2) are slidably connected with length rods (3). The surfaces of the two length rods (3) are provided with a plurality of threaded holes (6). A fixed frame assembly (4) is installed between the two length rods (3). The fixed frame assembly (4) includes a fixed plate (41) and two mounting plates (42). The two ends of one side of the fixed plate (41) are fixedly connected to one side of the two mounting plates (42), and the other sides of the two mounting plates (42) are fixedly installed with a heat conduction assembly (5). Two support assemblies (9) are fixedly installed on the fixed base (1), and are respectively located on one side of the height rod (2). A loading plate (8) slidably connected to the two height rods (2) is installed between the two support assemblies (9).

2. The rear projection TV mobile stand according to claim 1, characterized in that: A plurality of fixing openings (43) are provided on the surface of the fixing plate (41), and a plurality of heat dissipation openings (44) are provided in the middle of the fixing plate (41).

3. The rear projection TV mobile stand according to claim 1, characterized in that: The two heat-conducting components (5) each include a heat sink (55) and a heat-conducting plate (53), the top end of the heat sink (55) is fixedly connected to the bottom end of the heat-conducting plate (53), a plurality of heat-conducting strips (54) are fixedly installed on the top end of the heat-conducting plate (53), an assembly plate (51) is provided on the top end of the heat sink (55), the four corners of the top end of the assembly plate (51) are threadedly connected to assembly screws (52), the top ends of the four assembly screws (52) pass through the heat-conducting plate (53) and are threadedly connected to fixing nuts (56), and the bottom end of the assembly plate (51) is fixedly connected to the mounting plate (42).

4. The rear projection TV mobile stand according to claim 1, characterized in that: The surfaces of the two height rods (2) are both threadedly connected with first fixing screws (7), and the surfaces of the two height rods (2) are fixedly connected to the two length rods (3) via the first fixing screws (7).

5. The rear projection TV mobile stand according to claim 1, characterized in that: The two support assemblies (9) each include a support frame (91) and a connecting rod (92), the top end of the support frame (91) is slidably connected to the bottom end of the connecting rod (92), a self-locking telescopic rod (93) is provided on one side of the support frame (91), a suction cup (94) is installed on the movable end of the self-locking telescopic rod (93), and the suction cup (94) is adsorbed and connected to the side opposite to the connecting rod (92), and the fixed ends of the two self-locking telescopic rods (93) are respectively connected to the two height rods (2).

6. The rear projection TV mobile stand according to claim 5, characterized in that: The bottom end of the support frame (91) is fixedly connected to the fixed base (1), and a second fixing screw (95) is threadedly connected to the surface of the support frame (91). The support frame (91) is fixedly connected to the connecting rod (92) through the second fixing screw (95), and the opposite sides of the two connecting rods (92) are fixedly connected to the two sides of the loading plate (8) respectively.

7. The rear projection TV mobile stand according to claim 1, characterized in that: The four corners at the bottom of the fixed base (1) are all fixedly mounted with moving wheels (11), and the fixed base (1) is fixedly mounted with four shock-absorbing feet (10) located on one side of the moving wheels (11).

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