Bedroom multifunctional eye protection LED lamp and control method thereof

Abstract

The invention relates to the technical field of LED lamps, and discloses a bedroom multifunctional eye-protection LED lamp and a control method thereof.The bedroom multifunctional eye-protection LED lamp comprises a machine case, multiple sets of connecting plates are arranged on the upper side of the machine case, multiple sets of adjusting devices are arranged between the multiple sets of connecting plates, the two sets of connecting plates are connected through the adjusting devices, the upper side of the connecting plate on the upper side is connected with an LED lamp, and the upper side of the connecting plate on the lower side is connected with the LED lamp. A lifting device is arranged on the lower side of the machine box, the lower side of a connecting plate on the lower side is connected with the machine box, an adjusting device comprises a connecting pipe, multiple sets of first limiting blocks are evenly connected to the inner wall of the connecting pipe, and guiding chamfers are arranged on the upper side and the lower side of the rear end of each first limiting block. According to the scheme, by arranging the adjusting device, the multiple sets of connecting plates can be supported and adjusted, the phenomenon that a traditional edge rolling rotating shaft or other devices are loosened in the long-term using process is avoided, then the using stability of the device is improved, the service life of the device is prolonged, and the using comfort of the device is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of LED lamps, and specifically relates to a multifunctional eye-protection LED lamp for a bedroom and a control method thereof. Background Art

[0002] The existing LED lights for horizontal bedside tables are often connected by a rolling shaft, and the height, position and use angle of the LED lights are adjusted by multiple sets of adjustment plates. However, during long-term use, the LED lights need to be supported, which makes the rolling shaft loose, resulting in the LED lights failing to meet the needs of users. Therefore, we propose a multifunctional eye-protection LED light for the bedroom and a control method thereof. Summary of the invention

[0003] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a multifunctional eye-protection LED lamp for bedroom and a control method thereof, which effectively solves the above problems.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a multifunctional eye-protection LED lamp for the bedroom, comprising a chassis, a plurality of groups of connecting plates are arranged on the upper side of the chassis, a plurality of groups of adjustment devices are arranged between the plurality of groups of connecting plates, two groups of connecting plates are connected by the adjustment devices, an LED lamp is connected to the upper side of the upper connecting plate, a lifting device is arranged on the lower side of the chassis, and the lower side of the lower connecting plate is connected to the chassis.

[0005] Preferably, the adjusting device includes a connecting tube, the inner wall of the connecting tube is evenly connected to multiple groups of first limit blocks, the upper and lower sides of the rear end of the first limit block are provided with guide chamfers, the front side of the connecting tube is provided with a mounting block, the rear side of the mounting block is connected to a connecting rod, the rear side of the connecting tube is connected to a first rotating tube, the front side of the first rotating tube is connected to a second spring, the front side of the second spring is connected to a movable plate, the rear side of the connecting rod is connected to the movable plate, and the front side of the movable plate is evenly connected to multiple groups of second limit blocks.

[0006] Preferably, the lifting device includes two groups of first rotating rods and two groups of first support plates, the front and rear ends of the first rotating rods are connected to the chassis, the outer sides of the two groups of first rotating rods are connected with chain belts, the front and rear sides of the first rotating rods are connected with first bevel gears, the first support plate is installed on the lower side of the chassis, the body of the first support plate is connected with a screw, the upper side of the screw is connected with a second bevel gear, the second bevel gear is meshed with the first bevel gear, the lower side of the screw is connected with a screw tube, the upper side of the screw tube is connected with a third limit block, the chassis is provided with a slide groove matching the third limit block, and the lower side of the screw tube is connected with a suction cup.

[0007] Preferably, a plug rod is connected to the front side of the chassis, a limit plate is connected to the outer side of the plug rod, a first spring is connected to the rear side of the limit plate, and the rear side of the first spring is connected to the chassis.

[0008] Preferably, a sprocket is connected to the outer side of the first rotating rod, and the chain belt is located on the outer side of the sprocket of the first rotating rod.

[0009] Preferably, a limiting ring is connected to the outer side of the first rotating tube, and a sliding groove matching the limiting ring is provided on the rear side of the connecting tube.

[0010] Preferably, a placement groove is opened on the rear side of the chassis, and a baffle is provided on the rear side of the chassis.

[0011] Preferably, an electromagnetic block is installed on the lower side of the chassis, and a magnetic switch is installed on the front side of the chassis, and the magnetic switch is electrically connected to the electromagnetic block.

[0012] Preferably, two groups of USB connection ports are arranged on the upper side of the chassis, two groups of two-hole sockets are arranged on the upper side of the chassis, and two groups of three-hole sockets are arranged on the upper side of the chassis.

[0013] A control method for a multifunctional eye-protection LED lamp in a bedroom:

[0014] S1. Before using the device, it is necessary to select a location for placing and fixing the device. The method of placing the device is to place the device on the desktop, turn on the magnetic block switch, turn on the electromagnetic block, fix the device by adsorbing the metal desktop with the electromagnetic block, or fix the device by a lifting device, rotate the first rotating rod, and drive the chain belt to rotate through the rotation of the first rotating rod, and drive another group of first rotating rods to rotate through the rotation of the chain belt. The two groups of first rotating rods run synchronously under the drive of the chain belt, and the first rotating rod rotates to drive the first bevel gear to rotate, and the second bevel gear rotates through the rotation of the first bevel gear, and the screw rotates through the rotation of the second bevel gear, and the screw rotates through the rotation of the screw. The screw tube rotates, and the screw tube is limited by the third limit block and the chassis when the screw rotates, causing the screw tube to move up and down during the rotation of the screw, and the screw tube moves up and down to drive the suction cup to move up and down, and the suction cup moves downward and leaves the chassis and contacts the desktop, and the gas inside the suction cup is discharged by squeezing the suction cup, so that a negative pressure is formed inside the suction cup, and then the suction cup adsorbs the desktop to complete the fixing of the device;

[0015] S2, squeeze the plug rod, the plug rod moves backward to drive the limit plate to squeeze the first spring, and the plug rod squeezes the lower adjustment device at the same time, so that the staff can flip the LED lamp, and then adjust the position of other adjustment devices and the connecting plate to complete the adjustment of the LED lamp. After the lower adjustment device is adjusted, the plug rod is loosened, and the elastic force generated by the deformation of the first spring drives the limit plate and the plug rod to return to their original positions;

[0016] S3, the installation block drives the connecting rod backward a little after being inserted into the rod or manually squeezed by the user, and the connecting rod moves backward to drive the movable plate to move backward, and the movable plate moves backward to squeeze the second spring while the second limit block moves backward. After the second limit block is separated from the first limit block, the staff can rotate the installation block or the first rotating tube as needed, so that the staff can adjust the use angle of the connecting plate, and complete the adjustment of the height, angle, left and right position of the LED lamp by adjusting multiple groups of connecting plates, so as to facilitate the user to adjust the position of the LED lamp when using the device, making the device more comfortable to use;

[0017] S4. During the use of the device, the USB connection can be made through the USB connection port. By setting up a two-hole socket and a three-hole socket, the device can play the role of a power strip, thereby improving the practicality of the use of the device. After use, the battery cable of the device can be stored in the placement slot on the rear side of the baffle.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. By setting the adjustment device, multiple groups of connecting plates can be supported and adjusted to avoid the loosening of the traditional rolling shaft or other parts during long-term use, thereby improving the stability of the device, extending the service life of the device, and improving the comfort of use of the device;

[0020] 2. The height of the device can be adjusted and fixed by setting a lifting device. The screw tube moves up and down to drive the suction cup to move up and down. The suction cup moves downward and leaves the chassis and contacts the desktop. By squeezing the suction cup, the gas inside the suction cup is discharged, so that negative pressure is formed inside the suction cup, and then the suction cup is adsorbed on the desktop to complete the fixing of the device;

[0021] 3. By setting the plug rod, the limit plate and the first spring, the staff can turn over the LED lamp, and then adjust the position of the other adjustment devices and the connecting plate to complete the adjustment of the LED lamp;

[0022] 4. This device is connected to a USB port to charge other electrical appliances. By setting a two-hole socket and a three-hole socket, this device can play the role of a power strip, thereby improving the practicality of the device. After use, the battery cable of the device can be stored in the placement slot on the rear side of the baffle, thereby improving the aesthetics of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0024] In the attached picture:

[0025] Figure 1 It is a schematic diagram of the structure of the present invention;

[0026] Figure 2 This is a schematic diagram of the connecting plate structure of the present invention;

[0027] Figure 3 It is a schematic diagram of the structure of the regulating device of the present invention;

[0028] Figure 4 This is a schematic diagram of the structure of the electromagnetic block of the present invention;

[0029] Figure 5 It is a structural schematic diagram of the lifting device of the present invention;

[0030] Figure 6 It is a schematic diagram of the screw structure of the present invention;

[0031] Figure 7 This is a schematic diagram of the structure of the third limit block of the present invention;

[0032] Figure 8 This is a schematic diagram of the baffle structure of the present invention;

[0033] Fig. 9 It is a schematic diagram of the rod structure of the present invention;

[0034] Fig.10 This is a schematic diagram of the first spring structure of the present invention.

[0035] In the figure: 100, chassis; 101, electromagnetic block; 102, magnetic switch; 103, USB connection port; 104, two-hole socket; 105, three-hole socket; 106, baffle; 110, connecting plate; 120, plug rod; 130, limit plate; 140, first spring; 200, adjustment device; 210, connecting pipe; 220, first limit block; 230, mounting block; 231, connecting rod; 240, first rotating tube; 241, limit ring; 250, second spring; 260, moving plate; 270, second limit block; 300, LED lamp; 400, lifting device; 410, first rotating rod; 420, chain belt; 430, first bevel gear; 440, first support plate; 450, screw rod; 460, second bevel gear; 470, screw tube; 471, third limit block; 480, suction cup. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0037] Embodiment 1:

[0038] See also Figure 1-10A multifunctional eye-protection LED lamp for bedroom comprises a chassis 100, a plurality of connecting plates 110 are arranged on the upper side of the chassis 100, a plurality of adjusting devices 200 are arranged between the plurality of connecting plates 110, the two connecting plates 110 are connected by the adjusting devices 200, an LED lamp 300 is fixedly connected to the upper side of the upper connecting plate 110, and the lower side of the lower connecting plate 110 is connected to the chassis 100 by the adjusting devices 200, the adjusting devices 200 comprise a connecting pipe 210, a plurality of first limiting blocks 220 are evenly and fixedly connected to the inner wall of the connecting pipe 210, the upper and lower sides of the rear end of the first limiting block 220 are both provided with guiding chamfers, a mounting block 230 is arranged on the front side of the connecting pipe 210, and a LED lamp 300 is fixedly connected to the rear side of the mounting block 230 The connecting rod 231 and the rear side of the connecting tube 210 are rotatably connected with the first rotating tube 240, and the outer side of the first rotating tube 240 is connected with a limiting ring 241. The rear side of the connecting tube 210 is provided with a slide groove matching the limiting ring 241. By setting the limiting ring 241, the first rotating tube 240 and the connecting tube 210 can be quickly connected, so as to facilitate the staff to replace other objects in the connecting tube 210, thereby improving the convenience of using the device. The front side of the first rotating tube 240 is fixedly connected with the second spring 250, and the front side of the second spring 250 is fixedly connected with the moving plate 260. The rear side of the connecting rod 231 is fixedly connected with the moving plate 260, and the front side of the moving plate 260 is evenly fixedly connected with multiple groups of second limiting blocks 270. The connecting tube 210 and the outer side of the first rotating tube 240 are respectively connected to the two groups of connecting plates 110, and the mounting block 230 drives the connecting rod 231 to move backward a little after being inserted into the rod 120 or manually squeezed by the user, and the connecting rod 231 moves backward to drive the movable plate 260 to move backward, and the movable plate 260 moves backward to squeeze the second spring 250 while the second limit block 270 moves backward. After the second limit block 270 is separated from the first limit block 220, the staff can rotate the mounting block 230 or the first rotating tube 240 as needed, so that the staff can adjust the use angle of the connecting plate 110, and complete the height, angle, left and right position of the LED lamp 300 by adjusting multiple groups of connecting plates 110. The adjustment work is convenient for the user to adjust the position of the LED lamp 300 when using the device. After the adjustment is completed, the elastic force generated by the deformation of the second spring 250 drives the connecting rod 231 and the mounting block 230 to return to their original positions, thereby driving the second limiting block 270 to be clamped into the first limiting block 220, thereby completing the position limiting of the connecting tube 210, the first rotating tube 240, and the connecting plate 110, making the device more comfortable to use. By setting the adjustment device 200, multiple groups of connecting plates 110 can be supported and adjusted, avoiding the loosening of the traditional rolling shaft or other phenomena during long-term use, thereby improving the stability of the use of the device, extending the service life of the device, and improving the comfort of use of the device;

[0039] A lifting device 400 is provided at the lower side of the chassis 100. By providing the lifting device 400, the height of the device can be adjusted and fixed. The lifting device 400 includes two groups of first rotating rods 410 and two groups of first supporting plates 440. The front and rear ends of the first rotating rods 410 are rotatably connected to the chassis 100. The outer sides of the two groups of first rotating rods 410 are connected with chain belts 420. The outer sides of the first rotating rods 410 are connected with sprockets. By providing the sprockets, the chain belts 420 and the two groups of first rotating rods 410 are conveniently connected tightly, thereby improving the running stability of the two groups of first rotating rods 410. The chain belts 420 are located on the outer sides of the sprockets of the first rotating rods 410. The front and rear sides of the first rotating rods 410 are fixedly connected with The first bevel gear 430 and the first support plate 440 are fixedly installed on the lower side of the chassis 100. The body of the first support plate 440 is rotatably connected with a screw rod 450. The upper side of the screw rod 450 is fixedly connected with a second bevel gear 460. The second bevel gear 460 is meshed with the first bevel gear 430. The lower side of the screw rod 450 is screwed with a screw tube 470. The upper side of the screw tube 470 is fixedly connected with a third limit block 471. The chassis 100 is provided with a slide groove matching the third limit block 471. The lower side of the screw tube 470 is fixedly connected with a suction cup 480. The lower side of the chassis 100 is installed with an electromagnetic block 101. The front side of the chassis 100 is installed with a magnetic block switch 102. The magnetic block switch 102 is electrically connected to the electromagnetic block 101. Before using the device, it is necessary to select a location for placing and fixing the device. The method of placing the device is to place the device on a desktop and turn on the magnetic switch 102 to turn on the electromagnetic block 101, fix the device by adsorbing the metal desktop with the electromagnetic block 101, or fix the device by the lifting device 400, rotate the first rotating rod 410, and drive the chain belt 420 to rotate through the rotation of the first rotating rod 410, and drive another group of first rotating rods 410 to rotate through the rotation of the chain belt 420. The two groups of first rotating rods 410 run synchronously under the drive of the chain belt 420, and the rotation of the first rotating rod 410 drives the first bevel gear 430 to rotate, and the first rotating rod 410 drives the first bevel gear 430 to rotate. The rotation of the first bevel gear 430 drives the second bevel gear 460 to rotate, and the rotation of the second bevel gear 460 drives the screw 450 to rotate, and the rotation of the screw 450 drives the screw tube 470 to rotate. When the screw tube 470 rotates, it will be limited by the third limit block 471 and the chassis 100, causing the screw 450 to drive the screw tube 470 to move up and down during the rotation of the screw 450. The up and down movement of the screw tube 470 drives the suction cup 480 to move up and down. The suction cup 480 moves downward and leaves the chassis 100 and contacts the desktop. By squeezing the suction cup 480, the gas inside the suction cup 480 is discharged, so that a negative pressure is formed inside the suction cup 480, and then the suction cup 480 adsorbs the desktop to complete the fixing work of the device.

[0040] The front side of the chassis 100 is plugged with a plug rod 120, the outer side of the plug rod 120 is fixedly connected to the limit plate 130, the rear side of the limit plate 130 is fixedly connected to the first spring 140, and the rear side of the first spring 140 is fixedly connected to the chassis 100. By setting the plug rod 120, the limit plate 130, and the first spring 140 in coordination, the adjustment device 200 in the chassis 100 can be adjusted, so that it is convenient for the user to adjust the connecting plate 110 in the chassis 100, squeeze the plug rod 120, and the plug rod 120 moves backward to drive the limit The plate 130 squeezes the first spring 140, and the rod 120 squeezes the lower adjustment device 200. The rod 120, the limiting plate 130, and the first spring 140 are provided to facilitate the staff to flip the LED lamp 300, and then adjust the positions of other adjustment devices 200 and the connecting plate 110 to complete the adjustment of the LED lamp 300. After the adjustment of the lower adjustment device 200 is completed, the rod 120 is loosened, and the elastic force generated by the deformation of the first spring 140 drives the limiting plate 130 and the rod 120 to return to their original positions.

[0041] A placement slot is provided on the rear side of the chassis 100, and a baffle 106 is slidably connected to the rear side of the chassis 100. Two groups of USB connection ports 103 are provided on the upper side of the chassis 100, two groups of two-hole sockets 104 are provided on the upper side of the chassis 100, and two groups of three-hole sockets 105 are provided on the upper side of the chassis 100. During the use of the device, the USB connection can be made through the USB connection port 103. By providing the two-hole socket 104 and the three-hole socket 105, the device plays the role of a power strip, thereby improving the practicality of the use of the device. After use, the power supply wires of the device can be stored in the placement slot on the rear side of the baffle 106.

Claims

1. A multifunctional eye-protection LED lamp for bedroom, characterized by: The invention comprises a chassis (100), wherein a plurality of groups of connecting plates (110) are arranged on the upper side of the chassis (100), a plurality of groups of adjusting devices (200) are arranged between the plurality of groups of connecting plates (110), two groups of connecting plates (110) are connected via the adjusting devices (200), an LED lamp (300) is connected to the upper side of the upper connecting plate (110), a lifting device (400) is arranged on the lower side of the chassis (100), and the lower side of the lower connecting plate (110) is connected to the chassis (100).

2. A multifunctional eye-protection LED lamp for bedroom according to claim 1, characterized in that: The regulating device (200) comprises a connecting tube (210), the inner wall of the connecting tube (210) is evenly connected to a plurality of first limit blocks (220), the upper and lower sides of the rear end of the first limit block (220) are both provided with guide chamfers, the front side of the connecting tube (210) is provided with a mounting block (230), the rear side of the mounting block (230) is connected to a connecting rod (231), the rear side of the connecting tube (210) is connected to a first rotating tube (240), the front side of the first rotating tube (240) is connected to a second spring (250), the front side of the second spring (250) is connected to a moving plate (260), the rear side of the connecting rod (231) is connected to the moving plate (260), and the front side of the moving plate (260) is evenly connected to a plurality of second limit blocks (270).

3. A multifunctional eye-protection LED lamp for bedroom according to claim 1, characterized in that: The lifting device (400) comprises two groups of first rotating rods (410) and two groups of first supporting plates (440), the front and rear ends of the first rotating rods (410) are connected to the chassis (100), the outer sides of the two groups of the first rotating rods (410) are connected to chain belts (420), the front and rear sides of the first rotating rods (410) are both connected to first bevel gears (430), the first supporting plates (440) are installed on the lower side of the chassis (100), and the body of the first supporting plates (440) is connected to the chassis (100). A screw rod (450) is connected, the upper side of the screw rod (450) is connected to a second bevel gear (460), the second bevel gear (460) is meshed with the first bevel gear (430), the lower side of the screw rod (450) is connected to a screw tube (470), the upper side of the screw tube (470) is connected to a third limit block (471), the chassis (100) is provided with a slide groove matching the third limit block (471), and the lower side of the screw tube (470) is connected to a suction cup (480).

4. The multifunctional eye-protection LED lamp for bedroom according to claim 1, characterized in that: The front side of the chassis (100) is connected to an insertion rod (120), the outer side of the insertion rod (120) is connected to a limiting plate (130), the rear side of the limiting plate (130) is connected to a first spring (140), and the rear side of the first spring (140) is connected to the chassis (100).

5. The multifunctional eye-protection LED lamp for bedroom according to claim 3, characterized in that: The outer side of the first rotating rod (410) is connected to a sprocket, and the chain belt (420) is located on the outer side of the sprocket of the first rotating rod (410).

6. The multifunctional eye-protection LED lamp for bedroom according to claim 2, characterized in that: The outer side of the first rotating tube (240) is connected to a limiting ring (241), and the rear side of the connecting tube (210) is provided with a sliding groove matching the limiting ring (241).

7. The multifunctional eye-protection LED lamp for bedroom according to claim 1, characterized in that: A placement slot is provided on the rear side of the chassis (100), and a baffle (106) is provided on the rear side of the chassis (100).

8. The multifunctional eye-protection LED lamp for bedroom according to claim 1, characterized in that: An electromagnetic block (101) is installed on the lower side of the chassis (100), and a magnetic switch (102) is installed on the front side of the chassis (100); the magnetic switch (102) is electrically connected to the electromagnetic block (101).

9. The multifunctional eye-protection LED lamp for bedroom according to claim 1, characterized in that: Two groups of USB connection ports (103) are arranged on the upper side of the chassis (100), two groups of two-hole sockets (104) are arranged on the upper side of the chassis (100), and two groups of three-hole sockets (105) are arranged on the upper side of the chassis (100).

10. A control method for a multifunctional eye-protection LED lamp for a bedroom according to any one of claims 1 to 9, characterized in that: The control method specifically comprises the following steps: S1. Before using the device, it is necessary to select a location for placing and fixing the device. The method of placing the device is to place the device on a desktop, turn on the magnetic block switch (102), turn on the electromagnetic block (101), fix the device by adsorbing the metal desktop with the electromagnetic block (101), or fix the device by a lifting device (400), rotate the first rotating rod (410), and drive the chain belt (420) to rotate through the rotation of the first rotating rod (410), and drive another group of first rotating rods (410) to rotate through the rotation of the chain belt (420). The two groups of first rotating rods (410) run synchronously under the drive of the chain belt (420), and the rotation of the first rotating rod (410) drives the first bevel gear (430) to rotate, and the first bevel gear (430) rotates. The second bevel gear (460) is driven to rotate, and the screw (450) is driven to rotate through the rotation of the second bevel gear (460), and the screw tube (470) is driven to rotate through the rotation of the screw (450). When the screw tube (470) rotates, it will be restricted by the third limit block (471) and the chassis (100), causing the screw tube (470) to move up and down during the rotation of the screw (450). The up and down movement of the screw tube (470) drives the suction cup (480) to move up and down. After the suction cup (480) moves downward and leaves the chassis (100), it contacts the desktop. By squeezing the suction cup (480), the gas inside the suction cup (480) is discharged, so that a negative pressure is formed inside the suction cup (480), and then the suction cup (480) is adsorbed on the desktop to complete the fixing work of the device; S2, squeeze the insertion rod (120), the insertion rod (120) moves backward to drive the limit plate (130) to squeeze the first spring (140), and at the same time, the insertion rod (120) squeezes the lower adjustment device (200), so that the staff can flip the LED lamp (300), and then adjust the positions of other adjustment devices (200) and the connecting plate (110) to complete the adjustment of the LED lamp (300), and after the adjustment of the lower adjustment device (200) is completed, the insertion rod (120) is loosened, and the elastic force generated by the deformation of the first spring (140) drives the limit plate (130) and the insertion rod (120) to return to their original positions; S3, the installation block (230) drives the connecting rod (231) to move backward a little through the insertion rod (120) or manual squeezing by the user, and the connecting rod (231) moves backward to drive the movable plate (260) to move backward, and the movable plate (260) moves backward to squeeze the second spring (250) and the second limit block (270) moves backward. After the second limit block (270) is separated from the first limit block (220), the staff can rotate the installation block (230) or the first rotating tube (240) as needed, so that the staff can adjust the use angle of the connecting plate (110). By adjusting the multiple groups of connecting plates (110), the height, angle, and left and right positions of the LED lamp (300) can be adjusted, thereby facilitating the user to adjust the position of the LED lamp (300) when using the device, making the device more comfortable to use. After the adjustment is completed, the elastic force generated by the deformation of the second spring (250) drives the connecting rod (231) and the mounting block (230) to return to their original positions, thereby driving the second limiting block (270) to snap into the first limiting block (220), thereby completing the position limiting of the connecting tube (210), the first rotating tube (240), and the connecting plate (110); S4, during the use of the device, a USB connection can be made through the USB connection port (103), and by providing a two-hole socket (104) and a three-hole socket (105), the device can act as a power strip, thereby improving the practicality of the device. After use, the battery cable of the device can be stored in the placement slot on the rear side of the baffle (106).

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