Supporting structure of liquid crystal television back plate

Abstract

The utility model relates to the related technical field of television installation, in particular to a supporting structure of a liquid crystal television back plate, which comprises a back plate, a circular groove is arranged at the rear part of the back plate, a heat dissipation frame butted with the circular groove is arranged at the rear end of the back plate, and fixing frames for fixing the heat dissipation frame are arranged on two sides of the circular groove. Air inlet holes are formed in the two sides of the front end of the back plate, a dust filtering frame is installed on the side portion of the back plate in an inserted mode through a rectangular groove, a plurality of air conveying cavities are formed in the two sides of the back plate, and when ventilation and air inlet are conducted on the inner periphery of the back plate, air sequentially passes through the air inlet holes, the dust filtering frame and the air conveying cavities and then enters the inner periphery of the back plate. Entering air is filtered through the dust filtering frame, so that dust can be prevented from entering the inner periphery of the back plate, and the back plate has a better use effect.

Description

Technical Field

[0001] The utility model relates to the technical field related to television installation, in particular to a supporting structure for a back plate of a liquid crystal television. Background Art

[0002] With the advancement of technology and the improvement of people's living standards, televisions have become one of the most common household appliances. In recent years, ultra-thin TVs have gradually occupied a large share of the TV market due to their lightweight and simple body. The TV back panel plays a very important role as a carrier of other TV parts.

[0003] Existing TV back panels dissipate heat by providing a cooling fan. However, the cooling fan is inconvenient to be quickly disassembled and assembled, and the air inlet on the back panel is not provided with a dust filter structure. As a result, dust easily accumulates on the rear of the back panel after long-term use, making it inconvenient to clean. Therefore, those skilled in the art have proposed a support structure for the back panel of an LCD TV to solve the problems raised in the above background. Utility Model Content

[0004] The purpose of the present invention is to provide a supporting structure for a back plate of a liquid crystal television set, so as to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] The heat dissipation frame is installed in the rear end of the back plate, and a fan is installed in the heat dissipation frame. One end of the heat dissipation frame is installed in the circular groove, and a fixing frame is installed at the rear end of the back plate and on both sides of the circular groove. The fixing frame is used to fix the heat dissipation frame, and air inlet holes are provided on both sides of the front end of the back plate, and rectangular grooves are provided on the side of the back plate, and a dust filter frame is inserted and installed in the rectangular groove. A plurality of air supply cavities are provided inside the two sides of the back plate along the vertical direction, and the front end of the dust filter frame is connected to the air inlet hole, the rear end of the dust filter frame is connected to the front of the air supply cavity, and the side of the air supply cavity is connected to the inner periphery of the back plate.

[0007] As a further solution of the present invention: an insertion rod is installed in the fixed frame, a movable plate is connected to the insertion rod, an elastic member is sleeved on the insertion rod, one end of the elastic member is connected to the side of the movable plate, and the other end of the elastic member is connected to the inner wall of one end of the fixed frame, the end of the insertion rod away from the circular groove extends to the outside of the fixed frame and is connected to a toggle plate, and the side of the heat dissipation frame is provided with a socket that cooperates with the other end of the insertion rod.

[0008] As a further solution of the present invention: calibration blocks are provided on the front of both sides of the heat dissipation frame, and positioning holes for plugging with the calibration blocks are provided on the rear end of the back plate and on both sides of the circular groove.

[0009] As a further solution of the present invention: a mesh plate is installed at the rear end of the heat dissipation frame, and the mesh plate is detachably mounted on the heat dissipation frame by means of bolts.

[0010] As a further solution of the present invention: filter cotton is embedded in the dust filter frame, and a pinching plate is connected to the side of the dust filter frame.

[0011] As a further solution of the present invention: the gas transmission cavity includes a tapered hole, a long straight hole and several short straight holes, the front end of the tapered hole is connected to the rectangular groove, the rear end of the tapered hole is connected to the front end of the long straight hole, one end of several of the short straight holes is connected to the side of the long straight hole, and the other end of several of the short straight holes is connected to the inner periphery of the back plate.

[0012] The utility model has the following benefits:

[0013] 1. The back panel is equipped with a detachable heat dissipation frame to accommodate the fan, making it very convenient to inspect and replace the fan. A fixing frame is provided at the rear end of the back panel to quickly fix the heat dissipation frame, facilitating the quick installation of the heat dissipation frame and making it easy to use.

[0014] 2. The ventilation and air supply to the inner periphery of the back panel are realized by arranging the air intake holes, the dust filter frame and the air delivery cavity. The air can be filtered through the dust filter frame during air intake to prevent dust in the air from entering and accumulating at the inner rear of the back panel. The functionality is high, the dust filter frame is easy to install and disassemble, and the internal structure of the dust filter frame is easy to clean and replace. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present utility model.

[0016] Figure 2 This is a top view of the internal structure of the backboard in an embodiment of the present utility model.

[0017] Figure 3 It is a rear view of the back plate in the embodiment of the present utility model.

[0018] Figure 4 for Figure 2 A magnified schematic diagram of part A in FIG.

[0019] Figure 5 for Figure 2 Enlarged schematic diagram of part B in FIG.

[0020] Figure 6 Schematic diagram of the structure of the dust filter frame.

[0021] In the figure: 1. Back panel; 101. Circular groove; 102. Air inlet; 103. Rectangular groove; 104. Positioning hole; 2. Heat dissipation frame; 201. Fan; 202. Mesh plate; 203. Calibration block; 204. Jack; 3. Dust filter frame; 301. Filter screen; 302. Filter cotton; 303. Pinch plate; 4. Fixed frame; 401. Insert rod; 402. Movable plate; 403. Elastic part; 404. Toggle plate; 5. Air transmission cavity; 501. Conical hole; 502. Long straight hole; 503. Short straight hole; 6. Base. DETAILED DESCRIPTION

[0022] The technical solution of the present utility model will be further described in detail below in conjunction with specific implementation methods.

[0023] Example 1: Please refer to Figures 1 to 6 A support structure for the back panel of an LCD TV comprises a back panel 1, a base 6 is installed at the bottom end of the back panel 1, a circular groove 101 is provided at the rear center of the back panel 1, a heat dissipation frame 2 is installed at the rear end of the back panel 1, a fan 201 is installed in the heat dissipation frame 2, and the fan 201 is connected to an external control circuit. One end of the heat dissipation frame 2 is installed in the circular groove 101, and a fixing frame 4 is installed at the rear end of the back panel 1 and on both sides of the circular groove 101. The fixing frame 4 is used to fix the heat dissipation frame 2, and air inlet holes 102 are provided on both sides of the front end of the back panel 1. The side of the back panel 1 A rectangular groove 103 is provided on the back panel 1, and a dust filter frame 3 is inserted and installed in the rectangular groove 103. A number of air supply cavities 5 are provided inside the two sides of the back panel 1 along the vertical direction. The front end of the dust filter frame 3 is connected with the air inlet hole 102, and the rear end of the dust filter frame 3 is connected with the front part of the air supply cavity 5. The side of the air supply cavity 5 is connected with the inner periphery of the back panel 1. The rear part of the TV is installed on the inner periphery of the back panel 1. When the inner periphery of the back panel 1 is ventilated, the TV can be ventilated and heat-dissipated. The external air passes through the air inlet hole 102, the dust filter frame 3, the air supply cavity 5, the inner periphery of the back panel 1, and the heat dissipation frame 2 in sequence.

[0024] See also Figures 1 to 4, a plug rod 401 is installed in the fixed frame 4, a movable plate 402 is connected to the plug rod 401, an elastic member 403 is sleeved on the plug rod 401, one end of the elastic member 403 is connected to the side of the movable plate 402, and the other end of the elastic member 403 is connected to the inner wall of one end of the fixed frame 4, the end of the plug rod 401 away from the circular groove 101101 extends to the outside of the fixed frame 4 and is connected to the toggle plate 404, and the side of the heat dissipation frame 2 is provided with a socket that cooperates with the other end of the plug rod 401 204. In this embodiment, calibration blocks 203 are provided on the front of both sides of the heat dissipation frame 2, and positioning holes 104 that cooperate with the calibration blocks 203 are provided on the rear end of the back panel 1 and on both sides of the circular groove 101101. The installation position of the heat dissipation frame 2 is adjusted by the calibration blocks 203 and the positioning holes 104, and the position of the insertion rod 401 is adjusted by toggling the toggle plate 404. The movable plate 402 is driven to move by the elastic member 403, and then one end of the insertion rod 401 is driven to be inserted into the hole 204 to fix the heat dissipation frame 2.

[0025] See also Figures 1 to 4 A mesh plate 202 is installed at the rear end of the heat dissipation frame 2. The mesh plate 202 is detachably mounted on the heat dissipation frame 2 by bolts. This arrangement facilitates the replacement of the mesh plate 202.

[0026] Example 2: See Figure 1 、 Figure 2 、 Figure 5 、 Figure 6 On the basis of Example 1, filter cotton 302 is embedded in the dust filter frame 3, and a pinching plate 303 is connected to the side of the dust filter frame 3 to facilitate the removal of the dust filter frame 3. A filter screen 301 is provided at the front end of the dust filter frame 3.

[0027] See also Figure 1 、 Figure 2 、 Figure 5 The air delivery cavity 5 includes a tapered hole 501, a long straight hole 502 and several short straight holes 503. The front end of the tapered hole 501 is connected to the rectangular groove 103. The front end of the tapered hole 501 is wider and the rear end is narrower, so that the air speed entering the inner periphery of the back plate 1 through the air delivery cavity 5 is accelerated, thereby improving the heat dissipation effect of the TV. The rear end of the tapered hole 501 is connected to the front end of the long straight hole 502, one end of several short straight holes 503 is connected to the side of the long straight hole 502, and the other end of several short straight holes 503 is connected to the inner periphery of the back plate 1.

[0028] Working principle: When in use, the rear part of the TV is installed on the inner periphery of the back panel 1, the position of the plug rod 401 is adjusted by toggling the toggle plate 404, the front end of the heat dissipation frame 2 is inserted into the circular groove 101, and the plug rod 401 is indirectly driven to move by the elastic member 403. The end of the plug rod 401 is inserted into the socket 204 to fix the heat dissipation frame 2, and the air flow around the inner periphery of the back panel 1 is driven by the fan 201 to dissipate heat for the TV. The air enters the filter cotton 302 through the air inlet 102 for filtration, and the filtered dust-free air passes through the conical hole 501, the long straight hole 502 and the short straight hole 503 in turn into the inner periphery of the back panel 1, meeting the ventilation and heat dissipation requirements of the inner periphery of the back panel 1.

[0029] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0030] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A support structure for a back panel of a liquid crystal television, comprising a back panel, a base being mounted at the bottom end of the back panel, characterized in that: A circular groove is provided at the rear center of the back plate, a heat dissipation frame is installed at the rear end of the back plate, a fan is installed in the heat dissipation frame, one end of the heat dissipation frame is installed in the circular groove, a fixing frame is installed at the rear end of the back plate and at both sides of the circular groove (101), the fixing frame is used to fix the heat dissipation frame, air inlet holes are provided on both sides of the front end of the back plate, a rectangular groove is provided on the side of the back plate, a dust filter frame is inserted and installed in the rectangular groove, a plurality of air supply cavities are provided inside the two sides of the back plate along the vertical direction, the front end of the dust filter frame is connected to the air inlet hole, the rear end of the dust filter frame is connected to the front of the air supply cavity, and the side of the air supply cavity is connected to the inner periphery of the back plate.

2. The supporting structure of a back panel of a liquid crystal television according to claim 1, characterized in that: An insertion rod is installed in the fixed frame, a movable plate is connected to the insertion rod, an elastic member is sleeved on the insertion rod, one end of the elastic member is connected to the side of the movable plate, and the other end of the elastic member is connected to the inner wall of one end of the fixed frame, an end of the insertion rod away from the circular groove (101) extends to the outside of the fixed frame and is connected to a toggle plate, and a socket is provided on the side of the heat dissipation frame to be plugged with the other end of the insertion rod.

3. The supporting structure of a back panel of a liquid crystal television according to claim 2, characterized in that: Calibration blocks are provided at the front of both sides of the heat dissipation frame, and positioning holes for plugging with the calibration blocks are provided at the rear end of the back plate and on both sides of the circular groove (101).

4. The supporting structure of a back panel of a liquid crystal television according to claim 2, characterized in that: A mesh plate is installed at the rear end of the heat dissipation frame, and the mesh plate is detachably installed on the heat dissipation frame by means of bolts.

5. The supporting structure of a back panel of a liquid crystal television according to claim 1, characterized in that: Filter cotton is embedded in the dust filter frame, and a pinching plate is connected to the side of the dust filter frame.

6. The supporting structure of a back panel of a liquid crystal television according to claim 1, characterized in that: The gas transmission cavity includes a tapered hole, a long straight hole and several short straight holes. The front end of the tapered hole is connected to the rectangular groove, the rear end of the tapered hole is connected to the front end of the long straight hole, one end of several short straight holes is connected to the side of the long straight hole, and the other end of several short straight holes is connected to the inner periphery of the back plate.

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