Plastic television rear shell with dustproof structure

Abstract

The utility model discloses a plastic television rear shell with a dustproof structure, comprising a rear shell unit which comprises a television rear shell and a butt joint frame fixedly installed at the edge of the television rear shell; the adjusting and plugging unit comprises two hollow covers fixedly installed in the rear shell of the television and miniature fans fixedly installed in the hollow covers, fixing lugs with symmetrical positions are fixedly connected to the inner wall of the rear shell of the television, a miniature motor is fixedly installed on one fixing lug, and the miniature fans are fixedly installed on the other fixing lug. An output shaft of the micro motor penetrates through the fixing lug and is fixedly connected with a two-way screw rod, the two-way screw rod is in threaded connection with threaded sleeves which are symmetrical in position, each threaded sleeve is in sliding connection with the television rear shell, and the threaded sleeves are fixedly connected with a plugging disc through connecting arms. According to the utility model, external dust is effectively prevented from entering the rear shell of the television, the hollow cover can be closed after the television is shut down, and the normal service life of the television is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of televisions, in particular to a plastic television rear shell with a dustproof structure. Background Art

[0002] A television is an electronic device that converts electrical signals into images and sounds and displays the images on a screen. It is mainly used to disseminate news, entertainment programs and educational content. The back cover of a television is an important component of its external structure, mainly used to protect internal components and provide heat dissipation and support functions.

[0003] In order to ensure that the heat generated by the long-term operation of the TV can be normally dissipated outward, the back shells of TVs currently used in the field of televisions often adopt the method of opening heat dissipation vents on the back shells of the TVs for heat dissipation. In fact, when the TV is not in use, the internal electrical components of the TV are not in a working state and do not need to dissipate heat outward. However, dust from the outside can still pass through the heat dissipation vents and adhere to the internal electrical components of the TV, which not only causes inconvenience in subsequent cleaning, but also indirectly reduces the normal service life of the electrical components in the TV. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract and title of the utility model to avoid obscuring the purpose of this section, the abstract and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the present invention.

[0005] In view of the above problems existing in the existing plastic television back cover with a dustproof structure, the present utility model is proposed.

[0006] Therefore, the purpose of the present invention is to provide a plastic television back cover with a dust-proof structure, which is suitable for solving the problem that when the television is not in use, external dust can still pass through the heat dissipation vents and adhere to the electrical components inside the television, which not only causes inconvenience in subsequent cleaning, but also indirectly reduces the normal service life of the electrical components inside the television.

[0007] In order to solve the above technical problems, the present invention provides the following technical solutions: a plastic TV back cover with a dustproof structure, comprising:

[0008] A rear housing unit comprising a television rear housing and a docking frame fixedly mounted on the edge of the motor rear housing;

[0009] An adjustment and blocking unit includes two hollow covers fixedly installed in the back shell of the TV and a micro fan fixedly installed in the hollow cover. The inner wall of the back shell of the TV is fixedly connected with symmetrical fixed ears, one of the fixed ears is fixedly installed with a micro motor, the output shaft of the micro motor passes through the fixed ear and is fixedly connected with a bidirectional screw rod, the bidirectional screw rod is threaded with a symmetrical threaded sleeve, each of the threaded sleeves is slidably connected to the back shell of the TV, the threaded sleeve is fixedly connected to a blocking disk through a connecting arm, the blocking disk matches the size of the opening of the hollow cover, and a temperature control switch electrically connected to the micro fan and the micro motor is fixedly installed in the back shell of the TV.

[0010] As a preferred solution of the plastic TV back cover with a dustproof structure described in the utility model, wherein: a plurality of groups of evenly distributed docking ears are fixedly connected to the edge of the docking frame, and each of the docking ears is threadedly connected with a fastening bolt.

[0011] As a preferred solution of the plastic TV back cover with a dust-proof structure described in the utility model, a guide rod is fixedly connected between the two fixing ears, and the sliding sleeve on the guide rod is provided with a symmetrical guide sleeve, and each guide sleeve is fixedly connected to the corresponding threaded sleeve.

[0012] As a preferred solution of the plastic TV back cover with a dustproof structure described in the utility model, the threaded sleeve is connected to the TV back cover in a transverse sliding manner via corresponding limiting sliders and limiting sliding grooves.

[0013] As a preferred solution of the plastic television back cover with a dustproof structure described in the utility model, a plurality of evenly distributed side openings are provided at the edge of each hollow cover.

[0014] As a preferred solution of the plastic TV back cover with a dustproof structure described in the utility model, the diameter of the opening of the hollow cover is four-fifths to five-sixths of the diameter of the sealing disk, and the thickness of the sealing disk is one-third to one-half of the thickness of the TV back cover.

[0015] The beneficial effects of the present invention are as follows: when the TV is in operation, as the internal temperature of the TV rises, the temperature control switch will control the micro fan to turn on, thereby accelerating the heat exchange rate between the inside and outside of the TV; when the TV is turned off, as the temperature inside the TV drops, the temperature control switch will turn off the micro fan and control the micro motor to drive the bidirectional screw rod to rotate forward, and the threaded sleeve threadedly connected to it drives the sealing disk to close the hollow cover, effectively blocking external dust from entering the interior of the TV back shell. The hollow cover can be closed after the TV is turned off, thereby ensuring the normal service life of the TV. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. Among them:

[0017] Figure 1 This is a schematic diagram of the overall structure of a plastic TV rear cover with a dust-proof structure proposed by the present invention;

[0018] Figure 2 This is a schematic diagram of the structure of an adjustment and blocking unit of a plastic TV rear cover with a dustproof structure proposed by the present invention;

[0019] Figure 3 The utility model is a schematic diagram of the cross-sectional structure of a plastic television back cover with a dustproof structure.

[0020] Description of the drawings: 100 rear shell unit, 101 TV rear shell, 102 docking frame, 103 docking ear, 200 adjustment and blocking unit, 201 hollow cover, 202 micro fan, 203 side opening, 204 fixing ear, 205 micro motor, 206 bidirectional screw rod, 207 threaded sleeve, 208 guide rod, 209 guide sleeve, 210 connecting arm, 211 blocking disk, 212 temperature control switch. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0023] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0024] Furthermore, the present invention is described in detail with reference to schematic diagrams. For ease of illustration, when describing embodiments of the present invention, cross-sectional views of device structures may be partially enlarged and not to scale. Furthermore, the schematic diagrams are merely illustrative and should not limit the scope of protection of the present invention. Furthermore, in actual production, three-dimensional dimensions, including length, width, and depth, should be included.

[0025] Example

[0026] Reference Figure 1-Figure 3 , which is an embodiment of the present invention, provides a plastic television back cover with a dust-proof structure, including: a back cover unit 100 and an adjustment and blocking unit 200.

[0027] The rear housing unit 100 includes a TV rear housing 101 and a docking frame 102 fixedly mounted on the edge of the motor rear housing. A plurality of evenly distributed docking ears 103 are fixedly connected to the edge of the docking frame 102. Each docking ear 103 is threadedly connected to a fastening bolt. The cooperation of the plurality of docking ears 103 and the fastening bolts facilitates the splicing and installation of the TV rear housing 101 and the TV front cover.

[0028] Secondly, the regulating and blocking unit 200 includes two hollow covers 201 fixedly installed in the rear shell 101 of the TV and a micro fan 202 fixedly installed in the hollow cover 201. Each hollow cover 201 has multiple sets of evenly distributed side openings 203 at the edge. The setting of the side openings 203 improves the air exchange rate between the inside and outside of the rear shell 101 of the TV. The inner wall of the rear shell 101 of the TV is fixedly connected with symmetrical fixed ears 204. A micro motor 205 is fixedly installed on one of the fixed ears 204. The output shaft of the micro motor 205 passes through the fixed ear 204 and is fixedly connected to a bidirectional screw rod 206. , the bidirectional screw rod 206 is threadedly connected with a symmetrical threaded sleeve 207, each threaded sleeve 207 is slidably connected to the rear shell 101 of the TV, and the threaded sleeve 207 is horizontally slidably connected to the rear shell 101 of the TV through the corresponding limit slider and the limit slide groove. A guide rod 208 is also fixedly connected between the two fixed ears 204, and a symmetrical guide sleeve 209 is provided on the guide rod 208. Each guide sleeve 209 is fixedly connected to the corresponding threaded sleeve 207. The cooperation of the guide sleeve 209 and the guide rod 208 can guide and limit the movement of the threaded sleeve 207 on the bidirectional screw rod 206;

[0029] Finally, the threaded sleeve 207 is fixedly connected to the blocking disk 211 through the connecting arm 210, and the blocking disk 211 matches the opening size of the hollow cover 201. In the utility model, the micro motor 205, the bidirectional screw rod 206 and the blocking disk 211 structure occupy a limited space and are staggered with the installation position of the electrical components inside the TV, and will not affect the normal installation of the electrical components inside the TV. The diameter of the opening of the hollow cover 201 is four-fifths to five-sixths of the diameter of the blocking disk 211, and the thickness of the blocking disk 211 is one-third to one-half of the thickness of the TV back shell 101. A temperature control switch 212 electrically connected to the micro fan 202 and the micro motor 205 is fixedly installed in the TV back shell 101. The temperature control switch 212 is a device that uses a temperature sensing element to sense the ambient temperature. When the temperature reaches the set value, it automatically opens or closes the circuit. It belongs to a very mature existing technology. Therefore, this utility model does not provide a detailed introduction to its working principle.

[0030] During use, when the TV is in operation, as the internal temperature of the TV rises, the temperature control switch 212 will control the micro fan 202 to turn on, accelerating the heat exchange rate between the inside and outside of the TV. When the TV is turned off, as the temperature inside the TV drops, the temperature control switch 212 turns off the micro fan 202 and controls the micro motor 205 to drive the bidirectional screw rod 206 to rotate forward, and the threaded sleeve 207 threadedly connected to it drives the sealing disk 211 to close the hollow cover 201, effectively blocking external dust from entering the interior of the TV rear shell 101. The hollow cover 201 can be closed after the TV is turned off, ensuring the normal service life of the TV.

[0031] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, and all of these should be included in the scope of the claims of the present invention.

Claims

1. A plastic TV back cover with a dustproof structure, characterized in that: include: A rear housing unit (100) comprises a television rear housing (101) and a docking frame (102) fixedly mounted on an edge of the motor rear housing; The regulating and blocking unit (200) comprises two hollow covers (201) fixedly mounted in a rear housing (101) of a television set and a micro fan (202) fixedly mounted in the hollow cover (201); the inner wall of the rear housing (101) of the television set is fixedly connected with fixed ears (204) in symmetrical positions; a micro motor (205) is fixedly mounted on one of the fixed ears (204); the output shaft of the micro motor (205) passes through the fixed ear (204) and is fixedly connected with a bidirectional screw rod (206); The bidirectional screw rod (206) is threadedly connected to a threaded sleeve (207) with symmetrical positions. Each threaded sleeve (207) is slidably connected to the rear shell (101) of the television. The threaded sleeve (207) is fixedly connected to a blocking disk (211) via a connecting arm (210). The blocking disk (211) matches the opening size of the hollow cover (201). A temperature control switch (212) electrically connected to the micro fan (202) and the micro motor (205) is fixedly installed in the rear shell (101) of the television.

2. The plastic television back cover with a dustproof structure according to claim 1, characterized in that: A plurality of evenly distributed docking ears (103) are fixedly connected to the edge of the docking frame (102), and each of the docking ears (103) is threadedly connected with a fastening bolt.

3. The plastic television back cover with a dustproof structure according to claim 1, characterized in that: A guide rod (208) is fixedly connected between the two fixing ears (204), and a sliding sleeve on the guide rod (208) is provided with symmetrical guide sleeves (209), and each guide sleeve (209) is fixedly connected to a corresponding threaded sleeve (207).

4. The plastic television back cover with a dustproof structure according to claim 1, characterized in that: The threaded sleeve (207) is connected to the rear housing (101) of the television set in a transverse sliding manner via corresponding limiting sliding blocks and limiting sliding grooves.

5. The plastic television back cover with a dustproof structure according to claim 1, characterized in that: Each hollow cover (201) has multiple groups of evenly distributed side openings (203) at its edge.

6. The plastic television back cover with a dustproof structure according to claim 1, characterized in that: The diameter of the opening of the hollow cover (201) is four-fifths to five-sixths of the diameter of the blocking disk (211), and the thickness of the blocking disk (211) is one-third to one-half of the thickness of the television rear housing (101).

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