Backlight screen surface cleaning device

Abstract

The utility model discloses a backlight screen surface cleaning device, which relates to the technical field of display screens and comprises a telescopic rod, a hinge seat is mounted at the top end of the telescopic rod, a detachable cleaning head is arranged on the hinge seat, a hinge plate hinged with the hinge seat is mounted at the bottom of the detachable cleaning head, a fan is mounted on the detachable cleaning head, and the fan is mounted on the telescopic rod. The telescopic rod and the electric telescopic rod are arranged, the length of the telescopic rod can be adjusted, a worker can conveniently clean backlight screens hung on the wall at different heights, the electric telescopic rod can drive the detachable cleaning head to rotate, and the direction of the cleaning head can be conveniently adjusted so that the cleaning requirements of the backlight screens at different inclination angles can be met; the detachable cleaning head and the fan are matched with each other, the backlight screen can be quickly air-dried after being wet-wiped and cleaned, water spots left after cleaning are prevented from affecting use, and the detachable cleaning head is convenient to disassemble, assemble and maintain and low in use cost.

Description

Technical Field

[0001] The utility model relates to the technical field of display screens, in particular to a backlight screen surface cleaning device. Background Art

[0002] Backlight screen, or backlight display screen, refers to a display with a backlight source installed on the back of the display screen. In this type of display, the backlight source can evenly illuminate the back of the screen, so that the displayed content can be displayed clearly and with uniform brightness. Backlight screens include traditional backlight screens and dynamic backlight screens. However, both traditional backlight screens and dynamic backlight screens need to be cleaned regularly during use, especially some backlight screens hung high up. These backlight screens are installed too high, so people need to climb up and hold rags, sponges, etc. to clean them, which is very inconvenient and dangerous. Utility Model Content

[0003] The utility model aims to provide a backlight screen surface cleaning device to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A backlight screen surface cleaning device comprises a telescopic rod, a hinge seat is installed at the top of the telescopic rod, a detachable cleaning head is arranged on the hinge seat, a hinge plate hinged to the hinge seat is installed at the bottom of the detachable cleaning head, a fan is installed on the detachable cleaning head, a fixing ring is installed on the telescopic rod, an electric telescopic rod is arranged below the detachable cleaning head, the fixed end of the electric telescopic rod is hinged to the fixing ring, and the movable end of the electric telescopic rod is hinged to the bottom of the detachable cleaning head.

[0006] As a further solution of the utility model: the telescopic rod includes a rod barrel and a rod body, the rod body is movably inserted into the rod barrel from the upper part of the rod barrel, the rod body is provided with a groove, an elastic pin is installed in the groove, and pin holes are provided on the elastic pin and the rod barrel at equal intervals from top to bottom.

[0007] As a further solution of the utility model: the elastic pin comprises a spring and a pin head, the spring is fixedly installed in the groove, and the pin head is installed on the spring.

[0008] As a further solution of the utility model: a guide block is installed on one side of the rod body, and the guide block is slidably matched with a guide groove provided on the inner wall of the rod tube.

[0009] As a further solution of the utility model: the detachable cleaning head comprises a base plate, a cleaning plate, cleaning cotton and a positioning pin, the base plate and the cleaning plate are fixedly connected by the positioning pin, and the cleaning cotton is installed on the cleaning plate.

[0010] As a further solution of the utility model: a handle cover is installed at the bottom end of the rod barrel, and a hanging ring is installed at the bottom end of the handle cover.

[0011] As a further solution of the utility model: the electric telescopic rod and the fan are both electrically connected to a switch installed on the telescopic rod through a wire, and the switch is connected to an external power supply through a wire.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model is provided with a telescopic rod and an electric telescopic rod. The length of the telescopic rod can be adjusted, which is convenient for personnel to clean the backlight screen hung at different heights on the wall. The electric telescopic rod can drive the detachable cleaning head to rotate, which is convenient for adjusting the direction of the cleaning head to meet the cleaning needs of the backlight screen at different tilt angles.

[0014] 2. The utility model cooperates with the detachable cleaning head and the fan to quickly air dry the backlight screen after wet-wiping it, so as to avoid water stains after cleaning that affect its use.

[0015] 3. The detachable cleaning head of the utility model is easy to disassemble and assemble, easy to maintain, and has low use cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The figure is a schematic diagram of the overall structure of a backlight screen surface cleaning device.

[0017] Figure 2 A backlight screen surface cleaning device Figure 1 Schematic diagram of the structure of the elastic pin.

[0018] Figure 3 A backlight screen surface cleaning device Figure 1 Structural cutaway diagram of the detachable cleaning head.

[0019] 1. Telescopic rod; 101. Rod barrel; 102. Rod body; 2. Articulated seat; 3. Removable cleaning head; 301. Bottom plate; 302. Cleaning plate; 303. Cleaning cotton; 304. Positioning pin; 4. Articulated plate; 5. Fan; 6. Electric telescopic rod; 7. Fixed ring; 8. Elastic pin; 801. Spring; 802. Pin head; 9. Pin hole; 10. Switch; 11. Guide groove; 12. Handle cover; 13. Hanging ring; 14. Groove; 15. Guide block. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1 In an embodiment of the utility model, a backlight screen surface cleaning device includes a telescopic rod 1, a hinge seat 2 is installed at the top of the telescopic rod 1, a detachable cleaning head 3 is arranged on the hinge seat 2, a hinge plate 4 hinged to the hinge seat 2 is installed at the bottom of the detachable cleaning head 3, a fixing ring 7 is installed on the telescopic rod 1, an electric telescopic rod 6 is arranged below the detachable cleaning head 3, the fixed end of the electric telescopic rod 6 is hinged to the fixing ring 7, the movable end of the electric telescopic rod 6 is hinged to the bottom of the detachable cleaning head 3, the electric telescopic rod 6 can drive the detachable cleaning head 3 to rotate, so as to facilitate the adjustment of the direction of the cleaning head so as to meet the cleaning needs of the backlight screen with different inclination angles, the electric telescopic rod 6 and the fan 5 are electrically connected to the switch 10 installed on the telescopic rod 1 through a wire, and the switch 10 is connected to an external power supply through a wire.

[0022] See also Figure 1 and Figure 3 The detachable cleaning head 3 includes a base plate 301, a cleaning plate 302, cleaning cotton 303 and a positioning pin 304. The base plate 301 is fixedly connected to the cleaning plate 302 by the positioning pin 304. The cleaning cotton 303 is installed on the cleaning plate 302. A fan 5 is installed on the detachable cleaning head 3. The cleaning cotton 303 of the detachable cleaning head 3 can be disassembled, replaced or cleaned, which is convenient for maintenance and has low use cost.

[0023] See also Figure 1-2 The telescopic rod 1 includes a rod barrel 101 and a rod body 102. The rod body 102 is movably inserted into the rod barrel 101 from the upper part of the rod barrel 101. A groove 14 is provided on the rod body 102. An elastic pin 8 is installed in the groove 14. Pin holes 9 are provided on the elastic pin 8 and the rod barrel 101 at equal intervals from top to bottom. The elastic pin 8 includes a spring 801 and a pin head 802. The spring 801 is fixedly installed in the groove 14, and the pin head 802 is installed on the spring 801. A guide block 15 is installed on one side of the rod body 102. The guide block 15 is slidably matched with a guide groove 11 provided on the inner wall of the rod barrel 101. The guide block 15 cooperates with the guide groove 11 to prevent the rod barrel 101 and the rod body 102 from rotating relative to each other when the telescopic rod 1 is extended or retracted, so that the elastic pin 8 can be aligned with the pin hole 9 to achieve limiting. The telescopic rod 1 can be adjusted in length, which is convenient for personnel to clean the backlight screens hung at different heights on the wall.

[0024] See also Figure 1A handle cover 12 is installed at the bottom of the rod tube 101, and a hanging ring 13 is installed at the bottom of the handle cover 12. The setting of the hanging ring 13 can hang the device when not in use for convenient storage.

[0025] The working principle of the utility model is:

[0026] When in use, first extend the telescopic rod 1 according to the installation height of the backlight screen to be cleaned, then the person holds the telescopic rod 1 and sets the detachable cleaning head 3 toward the backlight screen, then turns on the electric telescopic rod 6 through the switch 10, and the electric telescopic rod 6 extends or contracts to drive the detachable cleaning head 3 to rotate, so that the detachable cleaning head 3 and the backlight screen have the same inclination angle, and then the person drives the detachable cleaning head 3 to wet-wipe the surface of the backlight screen from top to bottom through the telescopic rod 1 (wet wiping can better remove dust and sticky dirt on the surface of the backlight screen, and at the same time can reduce friction and prevent the backlight screen from being scratched), and then the fan 5 blows air toward the wiped backlight screen to achieve rapid air drying of the backlight screen.

[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may 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 shall be included in the protection scope of the present invention.

Claims

1. A backlight screen surface cleaning device, comprising a telescopic rod (1), characterized in that: The top end of the telescopic rod (1) is provided with an articulated seat (2), a detachable cleaning head (3) is provided on the articulated seat (2), a hinged plate (4) hinged to the articulated seat (2) is provided at the bottom of the detachable cleaning head (3), a fan (5) is provided on the detachable cleaning head (3), a fixing ring (7) is provided on the telescopic rod (1), an electric telescopic rod (6) is provided below the detachable cleaning head (3), a fixed end of the electric telescopic rod (6) is hinged to the fixing ring (7), and a movable end of the electric telescopic rod (6) is hinged to the bottom of the detachable cleaning head (3).

2. A backlight screen surface cleaning device according to claim 1, characterized in that: The telescopic rod (1) comprises a rod barrel (101) and a rod body (102); the rod body (102) is movably inserted into the rod barrel (101) from the upper part of the rod barrel (101); a groove (14) is provided on the rod body (102); an elastic pin (8) is installed in the groove (14); and pin holes (9) are provided on the elastic pin (8) and the rod barrel (101) at equal intervals from top to bottom.

3. A backlight screen surface cleaning device according to claim 2, characterized in that: The elastic pin (8) comprises a spring (801) and a pin head (802); the spring (801) is fixedly mounted in the groove (14); and the pin head (802) is mounted on the spring (801).

4. The backlight screen surface cleaning device according to claim 2, characterized in that: A guide block (15) is installed on one side of the rod body (102), and the guide block (15) is slidably matched with a guide groove (11) provided on the inner wall of the rod tube (101).

5. The backlight screen surface cleaning device according to claim 1, characterized in that: The detachable cleaning head (3) comprises a base plate (301), a cleaning plate (302), cleaning cotton (303) and a positioning pin (304); the base plate (301) and the cleaning plate (302) are fixedly connected via the positioning pin (304); and the cleaning cotton (303) is mounted on the cleaning plate (302).

6. The backlight screen surface cleaning device according to claim 2, characterized in that: A handle cover (12) is installed at the bottom end of the rod tube (101), and a hanging ring (13) is installed at the bottom end of the handle cover (12).

7. The backlight screen surface cleaning device according to claim 1, characterized in that: The electric telescopic rod (6) and the fan (5) are both electrically connected to a switch (10) installed on the telescopic rod (1) via a wire, and the switch (10) is connected to an external power source via a wire.

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