阅读说明：本技术 一种显示屏防倾倒装置 (Anti-toppling device for display screen ) 是由 王洪亮 于 2021-08-11 设计创作，主要内容包括：本发明涉及软件开发的技术领域,且公开了一种显示屏防倾倒装置,包括本体,所述本体的外部连接有支杆,支杆的外部连接有外壳,外壳的内部连接有气囊,本体的内侧活动连接有电机,本体的内部连接有对本体进行支撑的支撑机构,支撑机构包括对本体进行泄压的泄压机构,本体的内部连接有对本体进行倾倒程度感应的感应机构,当显示屏倾倒时,感应机构内的塑料球会移动与触点一接触,电机通电工作,电机带动滚轴转动,滚轴转动使卡块移出,卡块移出后拉伸弹簧将支撑杆弹出对显示屏进行支撑,使用者将显示屏摆正后塑料球回到垫板上,电机给回收齿轮通电,回收齿轮转动带动齿轮槽转动将支撑杆收到原有位置,卡块将支撑杆卡住。(The invention relates to the technical field of software development and discloses a display screen anti-toppling device which comprises a body, wherein a supporting rod is connected to the outer part of the body, a shell is connected to the outer part of the supporting rod, an air bag is connected to the inner part of the shell, a motor is movably connected to the inner side of the body, a supporting mechanism for supporting the body is connected to the inner part of the body, the supporting mechanism comprises a pressure relief mechanism for relieving pressure of the body, an induction mechanism for inducing toppling degree of the body is connected to the inner part of the body, when the display screen topples, a plastic ball in the induction mechanism moves to be in contact with a contact, the motor is electrified to work, the motor drives a rolling shaft to rotate, the rolling shaft rotates to move out a clamping block, a stretching spring ejects a supporting rod to support the display screen after the clamping block is moved out, a user puts the display screen right and then returns the plastic ball to a backing plate, the motor is electrified to a recovery gear, the recovery gear rotates to drive a gear groove to rotate to enable the supporting rod to be positioned, the support rod is clamped by the clamping block.)

1. The utility model provides a display screen anti-overturning device, includes body (1), its characterized in that: the utility model discloses a pressure relief device, including body (1), the external connection of body (1) has branch (2), the external connection of branch (2) has shell (3), the internal connection of shell (3) has gasbag (4), the inboard of body (1) is connected with motor (5), the internal connection of body (1) has supporting mechanism (6) that support body (1), supporting mechanism (6) are including carrying out pressure release mechanism (7) of pressure release to body (1), the internal connection of body (1) has response mechanism (8) that the degree response is emptyd body (1).

2. The display screen anti-toppling device according to claim 1, wherein: the supporting mechanism (6) comprises an upper bevel gear (601) and a supporting rod (602), a lower bevel gear (603) is meshed outside the upper bevel gear (601), a rolling shaft (604) is fixedly connected outside the lower bevel gear (603), a supporting block (605) is rotatably connected outside the rolling shaft (604), a sliding rod (606) is slidably connected outside the rolling shaft (604), a clamping block (607) is fixedly connected outside the sliding rod (606), one end of a tension spring (608) is slidably connected inside the supporting rod (602), the other end of the tension spring is fixedly connected outside the body (1), a gear groove (609) is formed in the inner side of the supporting rod (602), and a recovery gear (610) is meshed outside a gear groove (609).

3. The display screen anti-toppling device according to claim 2, wherein: the lower bevel gears (603) are symmetrically distributed on the center line of two bevel gears (601) at two positions corresponding to the positions of the two lower bevel gears (603), the two lower bevel gears (603) are meshed with the upper bevel gear (601), the specification sizes of the two lower bevel gears (603) are matched with the specification size of the upper bevel gear (601), the bodies (1) are matched with the specification sizes of the two bodies (1), the two bodies (1) are distributed in a crossed manner, and the two bodies (1) are fixedly connected with the shell (3) through the supporting rods (2).

4. The display screen anti-toppling device according to claim 1, wherein: the pressure relief mechanism (7) comprises a pressure relief rod 701 and a sliding block (702), one end of an expansion spring (703) is fixedly connected to the outside of the pressure relief rod 701, the other end of the expansion spring is fixedly connected with a supporting rod (602), a pull block (704) is fixedly connected to the inside of the pressure relief rod 701, one side of a compression spring (705) is fixedly connected to the inside of the pressure relief rod 701, the other side of the compression spring is movably connected to the outside of the pull block (704), the sliding block (702) is slidably connected to the inside of the supporting rod (602), a cylinder (706) is fixedly connected to the outside of the sliding block (702), a stop block (707) is fixedly connected to the outside of the sliding block (702), a first fixing frame (708) is fixedly connected to the inside of the supporting rod (602), a first rotating rod (709) is rotatably connected to the outside of a fixing frame, a second fixing frame (710) is fixedly connected to the inside of the supporting rod (602), a stop rod is fixedly connected to the outside of the second fixing frame (710), and a second rotating rod (711) is rotatably connected to the outside of the fixing frame (710), the rotating spring (712) is fixedly connected to the outside of the rotating rod II (711), and the pulling block II (713) is fixedly connected to the outside of the sliding block (702).

5. The display screen anti-toppling device according to claim 4, wherein: the two pressure relief mechanisms (7) are movably connected to the inner portion of the supporting rod (602) respectively, the specification and the size of the first fixing frame (708) are the same as that of the second fixing frame (710), and the specification and the size of the pressure relief rod 701 are matched with those of the supporting rod (602).

6. The display screen anti-toppling device according to claim 1, wherein: the sensing mechanism (8) comprises an outer frame (801), a first contact (802) is fixedly connected to the inner side of the outer frame (801), a partition plate (803) is fixedly connected to the inner side of the outer frame (801), a second contact (804) is fixedly connected to the inner side of the outer frame (801), a backing plate (805) is fixedly connected to the inner side of the outer frame (801), and a plastic ball (806) is movably connected to the outer portion of the backing plate (805).

7. The display screen anti-toppling device according to claim 6, wherein: the number of the induction mechanisms (8) is two, the two induction mechanisms (8) are symmetrically distributed on the center line of the body (1) in the corresponding positions and have the same specification and size, one sides of the first contact (802) and the second contact (804) far away from the outer frame (801) are fixedly connected with the partition plate (803), the first contact (802) and the second contact (804) are symmetrically distributed on the center line of the baffle, and the two contacts are corresponding in position and have the same specification and size.

Technical Field

The invention relates to the technical field of software development, in particular to a display screen anti-tilting device.

Background

The display screen specifically refers to a display tool which displays certain electronic files on the screen through specific transmission equipment and reflects the electronic files to human eyes, the display screen has an increasingly large effect in life and work, the display screen can be kept away from the display screen, displays on the market are various and different in price, and people can select different display screens according to own requirements.

Although the display screens are various in types, the display screens on the market are fragile, the larger the pressure applied to the display screens is, the more the display screens are damaged when the display screens are toppled, the lower the pressure is, the damage to the display screens is, the working efficiency is affected, and the heavier the fragments of the display screens cause injuries to surrounding people, particularly children.

Therefore, in response to these problems, a display panel tilting prevention device is needed.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the anti-toppling device for the display screen, which has the advantages of supporting the display screen when the display screen is toppled and relieving the pressure when the display screen is toppled, and solves the problems of damage to the display screen and injury to surrounding people after the display screen is toppled.

In order to realize the purposes of supporting the display screen when the display screen is toppled and relieving the pressure when the display screen is toppled, the invention provides the following technical scheme: the utility model provides a display screen anti-toppling device, includes the body, the outside fixedly connected with branch of body, the outside fixedly connected with shell of branch, the inside swing joint of shell has the gasbag, and the inboard swing joint of body has the motor, and the inside swing joint of body has carries out the supporting mechanism that supports to the body, and supporting mechanism includes the pressure relief mechanism that carries out the pressure release to the body, and the inside swing joint of body has the response mechanism that degree response was emptyd to the body.

Preferably, the supporting mechanism comprises an upper bevel gear and a supporting rod, the lower bevel gear is meshed with the outer portion of the upper bevel gear, the rolling shaft is fixedly connected with the outer portion of the lower bevel gear, the supporting block is rotatably connected with the outer portion of the rolling shaft, the sliding rod is slidably connected with the outer portion of the rolling shaft, the clamping block is fixedly connected with the outer portion of the sliding rod, the extension spring is slidably connected with the inner side of the supporting rod, the gear groove is formed in the inner side of the supporting rod, and the recovery gear is meshed with the outer portion of the gear groove.

Preferably, the lower bevel gears are provided with two lower bevel gears which are symmetrically distributed on the central line of the two bevel gears, the two lower bevel gears are corresponding to the central line of the upper bevel gear, the two lower bevel gears are meshed with the upper bevel gear, the specification sizes of the two lower bevel gears are matched with the specification sizes of the upper bevel gear, the bodies are provided with two bodies which are matched with the specification sizes of the two bodies, the two bodies are distributed in a crossed manner, the two bodies are fixedly connected with the shell through supporting rods, and the recovery gear is electrically connected with the motor.

Preferably, pressure release mechanism includes pressure release mechanism, the slider, expanding spring's one end fixed connection is in pressure release mechanism's outside, the other end and bracing piece fixed connection, draw the inside of piece fixed connection at pressure release mechanism, pressure spring one side fixed connection is in pressure release mechanism's inside, opposite side swing joint is in the outside of drawing the piece, slider sliding connection is in the inside of bracing piece, cylinder fixed connection is in the outside of slider, dog fixed connection is in the outside of slider, a mount fixed connection is in the inboard of bracing piece, a bull stick is rotated and is connected the outside at the mount, two fixed connection of mount are in the inboard of bracing piece, shelves pole fixed connection is in the outside of mount two, bull stick two rotates the outside of connecting at mount two, the outside at bull stick two is rotated to commentaries on classics spring fixed connection, draw two fixed connection in the outside of slider.

Preferably, the pressure relief mechanisms are two and two pressure relief mechanisms are movably connected in the supporting rod respectively, the specification and the size of the first fixing frame and the specification and the size of the second fixing frame are the same, the specification and the size of the pressure relief mechanisms are matched with those of the supporting rod, and the outer part of the first rotating rod is electrically connected with the power supply.

Preferably, the induction mechanism comprises an outer frame, the first contact is fixedly connected to the inner side of the outer frame, the partition board is fixedly connected to the inner side of the outer frame, the second contact is fixedly connected to the inner side of the outer frame, the backing plate is fixedly connected to the inner side of the outer frame, and the plastic ball is movably connected to the outer portion of the backing plate.

Preferably, the number of the induction mechanisms is two, the two induction mechanisms are symmetrically distributed on the center line of the body, the positions of the two induction mechanisms are corresponding, the specification and the size of the two induction mechanisms are the same, one sides of the first contact and the second contact, which are far away from the outer frame, are both fixedly connected with the partition plate, the sides of the first contact and the second contact are symmetrically distributed on the center line of the baffle plate, the positions of the two contacts are corresponding, the specification and the size of the two contacts are the same, and the two contacts are both electrically connected with the motor.

Has the advantages that:

1. this display screen anti-toppling device, when the angle that the display screen emptys is less, plastics ball in the response mechanism can take place to remove and can with the contact in the frame, the motor can switch on and begin to work after plastics ball and contact, can drive the roller bearing after the motor circular telegram and rotate, can make the fixture block shift out after the roller bearing rotates, the fixture block shifts out back extension spring can pop out the bracing piece and support the display screen, plastic ball can get back to on the backing plate when the user with the display screen after just setting up again, at this moment, the motor is for retrieving the gear circular telegram, it rotates to retrieve the gear circular telegram, rotate through driving the gear groove and retrieve original position with the bracing piece, and the fixture block blocks the bracing piece again.

2. This display screen anti-toppling device, when the dumping angle of display screen is great, the plastic ball in the response mechanism takes place to remove simultaneously and can contact with two emergence contacts in the frame, the motor can circular telegram start work behind plastic ball and the contact two contacts, through motor work, the bracing piece is popped out the back, the inside pressure relief mechanism of bracing piece starts work, expanding spring pops out pressure relief mechanism and carries out pressure relief work through expanding spring, until the display screen is stable, after the display screen is stable, motor work drives bull stick one and rotates, bull stick one rotates and can drive bull stick two with the slider roll-off, the rotation of rethread bull stick one withdraws pressure relief mechanism behind the slider roll-off, work is accomplished.

Drawings

FIG. 1 is a schematic partial cross-sectional view of the present invention;

FIG. 2 is a schematic diagram showing the position relationship among a sliding block, a second pull block, a first fixing frame, a second fixing frame, a first rotating rod, a second rotating rod, a stop block and a rotating spring according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

FIG. 5 is an enlarged view of the structure at C of FIG. 1 according to the present invention.

In the figure: 1. a body; 2. a strut; 3. a housing; 4. an air bag; 5. a motor; 6. a support mechanism; 601. an upper bevel gear; 602. a support bar; 603. a lower bevel gear; 604. a roller; 605. a support block; 606. a slide bar; 607. a clamping block; 608. an extension spring; 609. a gear groove; 610. recovering the gear; 7. a pressure relief mechanism; 701. a pressure relief lever; 702. a slider; 703. a tension spring; 704. pulling the block; 705. pressing a spring; 706. a cylinder; 707. a stopper; 708. a first fixing frame; 709. a first rotating rod; 710. a second fixing frame; 711. a second rotating rod; 712. rotating the spring; 713. pulling a second block; 714. fixing blocks; 8. an induction mechanism; 801. an outer frame; 802. a first contact; 803. a partition plate; 804. a second contact; 805. a base plate; 806. a plastic ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1, 4 and 5, a display screen anti-toppling device comprises a body 1, a supporting rod 2 is connected to the outside of the body 1, a shell 3 is connected to the outside of the supporting rod 2, an air bag 4 is connected to the inside of the shell 3, a motor 5 is connected to the inside of the body 1, a supporting mechanism 6 for supporting the body 1 is connected to the inside of the body 1, the supporting mechanism 6 comprises a pressure relief mechanism 7 for relieving pressure on the body 1, an induction mechanism 8 for inducing toppling degree of the body 1 is connected to the inside of the body 1, the supporting mechanism 6 comprises an upper bevel gear 601 and a supporting rod 602, a lower bevel gear 603 is engaged with the outside of the upper bevel gear 601, a roller 604 is fixedly connected to the outside of the lower bevel gear 603, the supporting block 605 is rotatably connected to the outside of the roller 604, a sliding rod 606 is slidably connected to the outside of the roller 604, and a clamping block 607 is fixedly connected to the outside of the sliding rod 606, one end of an extension spring 608 is connected inside the support rod 602 in a sliding manner, the other end of the extension spring is fixedly connected outside the body 1, a gear groove 609 is arranged inside the support rod 602, a recovery gear 610 is meshed outside the gear groove 609, the lower bevel gear 603 is provided with two or more than two lower bevel gears 603 symmetrically distributed on the center line of the bevel gear 601 in a position corresponding to the position of the two lower bevel gears 603, the two lower bevel gears 603 are meshed with the upper bevel gear 601, the specification size of the two lower bevel gears 603 is matched with that of the upper bevel gear 601, the body 1 is provided with two and two bodies 1, the specification sizes of the two bodies 1 are matched, the two bodies 1 are distributed in a cross manner in a shape like a Chinese character 'ten', the two bodies 1 are fixedly connected with the shell 3 through a support rod 2, the induction mechanism 8 comprises an outer frame 801, a contact point one 802 is fixedly connected inside the outer frame 801, a partition plate 803 is fixedly connected inside the outer frame 801, a contact point two 804 is fixedly connected inside the outer frame 801, the backing plate 805 is fixedly connected to the inner side of the outer frame 801, the plastic ball 806 is movably connected to the outer side of the backing plate 805, two sensing mechanisms 8 are provided, the two sensing mechanisms 8 are symmetrically distributed on the center line of the body 1, the positions of the two sensing mechanisms 8 are corresponding to each other, the specifications and the sizes of the two sensing mechanisms are the same, one sides of the first contact 802 and the second contact 804, which are far away from the outer frame 801, are fixedly connected with the partition plate 803, the first contact 802 and the second contact 804 are symmetrically distributed on the center line of the baffle, and the positions of the two contacts are corresponding to each other, and the specifications and the sizes of the two contacts are the same.

Example two:

referring to fig. 1-3, an anti-toppling device for a display screen comprises a body 1, a supporting rod 2 is connected to the outside of the body 1, a housing 3 is connected to the outside of the supporting rod 2, an air bag 4 is connected to the inside of the housing 3, a motor 5 is connected to the inside of the body 1, a supporting mechanism 6 for supporting the body 1 is connected to the inside of the body 1, the supporting mechanism 6 comprises a pressure relief mechanism 7 for relieving pressure to the body 1, an induction mechanism 8 for inducing toppling degree of the body 1 is connected to the inside of the body 1, the pressure relief mechanism 7 comprises a pressure relief mechanism 701 and a sliding block 702, one end of a telescopic spring 703 is fixedly connected to the outside of the pressure relief mechanism 701, the other end of the telescopic spring is fixedly connected to a supporting rod 602, a pull block 704 is fixedly connected to the inside of the pressure relief mechanism 701, one side of the pressure relief spring 705 is fixedly connected to the inside of the pressure relief mechanism 701, the other side of the pull block 704 is movably connected to the outside of the pull block 704, the sliding block 702 is connected inside the supporting rod 602 in a sliding manner, the cylinder 706 is fixedly connected outside the sliding block 702, the stop 707 is fixedly connected outside the sliding block 702, the first fixing frame 708 is fixedly connected inside the supporting rod 602, the first rotating rod 709 is rotatably connected outside the fixing frame, the second fixing frame 710 is fixedly connected inside the supporting rod 602, the stop rod is fixedly connected outside the second fixing frame 710, the second rotating rod 711 is rotatably connected outside the second fixing frame 710, the rotating spring 712 is fixedly connected outside the second rotating rod 711, the second pulling block 713 is fixedly connected outside the sliding block 702, the two pressure relief mechanisms 7 are respectively and movably connected inside the supporting rod 602, the first fixing frame 708 and the second fixing frame 710 have the same specification and size, the specification and size of the pressure relief mechanism 701 are matched with the specification and size of the supporting rod 602, the sensing mechanism 8 comprises an outer frame 801, and the first contact 802 is fixedly connected inside the outer frame 801, the partition plate 803 is fixedly connected to the inner side of the outer frame 801, the second contacts 804 are fixedly connected to the inner side of the outer frame 801, the backing plate 805 is fixedly connected to the inner side of the outer frame 801, the plastic balls 806 are movably connected to the outer portion of the backing plate 805, the number of the sensing mechanisms 8 is two, the two sensing mechanisms 8 are symmetrically distributed on the basis of the center line of the body 1, the positions of the two sensing mechanisms 8 are corresponding to each other, the specification and the size of the two sensing mechanisms are the same, the first contacts 802 and the second contacts 804 are fixedly connected to the partition plate 803 on one side far away from the outer frame 801, the first contacts 802 and the second contacts 804 are symmetrically distributed on the basis of the center line of the baffle, and the positions of the two contacts are corresponding to each other and the specification and the size of the two contacts are the same.

Example three:

referring to fig. 1-5, an anti-toppling device for a display screen comprises a body 1, a supporting rod 2 is connected to the outside of the body 1, a housing 3 is connected to the outside of the supporting rod 2, an air bag 4 is connected to the inside of the housing 3, a motor 5 is connected to the inside of the body 1, a supporting mechanism 6 for supporting the body 1 is connected to the inside of the body 1, the supporting mechanism 6 comprises a pressure relief mechanism 7 for relieving pressure to the body 1, an induction mechanism 8 for inducing toppling degree of the body 1 is connected to the inside of the body 1, the supporting mechanism 6 comprises an upper bevel gear 601 and a supporting rod 602, a lower bevel gear 603 is engaged with the outside of the upper bevel gear 601, a roller 604 is fixedly connected to the outside of the lower bevel gear 603, a supporting block 605 is rotatably connected to the outside of the roller 604, a sliding rod 606 is slidably connected to the outside of the roller 604, and a clamping block 607 is fixedly connected to the outside of the sliding rod 606, one end of an extension spring 608 is connected inside the support rod 602 in a sliding manner, the other end of the extension spring is fixedly connected outside the body 1, a gear groove 609 is arranged inside the support rod 602, a recovery gear 610 is meshed outside the gear groove 609, the lower bevel gear 603 is provided with two or more than two lower bevel gears 603 symmetrically distributed on the center line of the bevel gear 601, the two lower bevel gears 603 are meshed with the upper bevel gear 601, the specification size of the two lower bevel gears 603 is matched with that of the upper bevel gear 601, the body 1 is provided with two and two body 1, the specification sizes of the two body 1 are matched, the two body 1 are distributed in a cross shape like a Chinese character 'Ji', the two body 1 are fixedly connected with the shell 3 through a support rod 2, the pressure relief mechanism 7 comprises a pressure relief mechanism 701 and a slide block 702, one end of the extension spring is fixedly connected outside the pressure relief mechanism 701, the other end of the extension spring is fixedly connected with the support rod 602, and a first pull block 704 is fixedly connected inside the pressure relief mechanism 701, one side of a compression spring 705 is fixedly connected inside the pressure relief mechanism 701, the other side of the compression spring is movably connected outside a pull block 704, a sliding block 702 is slidably connected inside a supporting rod 602, a cylinder 706 is fixedly connected outside the sliding block 702, a stop block 707 is fixedly connected outside the sliding block 702, a first fixed frame 708 is fixedly connected inside the supporting rod 602, a first rotating rod 709 is rotatably connected outside a fixed frame, a second fixed frame 710 is fixedly connected inside the supporting rod 602, a stop rod is fixedly connected outside a second fixed frame 710, a second rotating rod 711 is rotatably connected outside the second fixed frame 710, a rotating spring 712 is fixedly connected outside a second rotating rod 711, a second pull block 713 is fixedly connected outside the sliding block 702, two pressure relief mechanisms 7 are respectively and movably connected inside the supporting rod 602, the specifications of the first fixed frame 708 and the second fixed frame 710 are the same, and the specification of the pressure relief mechanism 701 is matched with the specification of the supporting rod 602, the sensing mechanism 8 comprises an outer frame 801, a first contact 802 is fixedly connected to the inner side of the outer frame 801, a partition plate 803 is fixedly connected to the inner side of the outer frame 801, a second contact 804 is fixedly connected to the inner side of the outer frame 801, a base plate 805 is fixedly connected to the inner side of the outer frame 801, a plastic ball 806 is movably connected to the outer portion of the base plate 805, the sensing mechanisms 8 are two, the two sensing mechanisms 8 are symmetrically distributed on the center line of the body 1, the positions of the two sensing mechanisms 8 are corresponding, the specifications and dimensions are the same, the first contact 802 and the second contact 804 are far away from one side of the outer frame 801 and are both fixedly connected with the partition plate 803, the first contact 802 and the second contact 804 are symmetrically distributed on the center line of the baffle, and the positions of the two contacts are corresponding, and the specifications and the dimensions are the same.

The device starts to be started, when the display screen is inclined at a smaller angle, the plastic ball 806 in the sensing mechanism 8 moves along with the inclination of the display screen, the plastic ball 806 contacts with the contact 802, after the plastic ball 806 contacts with the contact 802, the motor 5 starts to work when being electrified, the motor 5 drives the roller 604 to rotate after working, the sliding rod 606 drives the fixture block 607 to move after the roller 604 rotates, the stretching spring 608 pops the support rod 602 out to support the display screen after the fixture block 607 moves to prevent the inclination of the display screen, after a user aligns the display screen, the plastic ball 806 returns to the backing plate, at the moment, the motor 5 drives the recovery gear 610 to rotate, the recovery gear 610 drives the gear groove 609 to rotate after rotating, the support rod 602 is retracted, and the sliding rod 606 drives the fixture block 607 to clamp the support rod 602 again.

When the tilting angle of the display screen is large, the plastic ball 806 in the sensing mechanism 8 can move greatly along with the display screen, the plastic ball 806 can contact with the second contact 804, after the plastic ball 806 contacts with the second contact 804, the motor 5 starts to work, the supporting rod 602 is ejected out to support the display screen through the movement of the fixture block 607 and the extension spring 608, the pressure relief mechanism 7 in the supporting rod 602 starts to work along with the ejection of the supporting rod 602, the sliding block 702 is taken out through the movement of the second rotating rod 711, the sliding block 702 then takes the pressure relief rod 701 out, the pressure relief rod 701 and the extension spring 703 perform the pressure relief function on the display screen through the movement of the pressure relief rod 701 and the extension spring 703, when the display screen is stable through the movement of the pressure relief rod 701 and the extension spring 703, the supporting rod 602 can continue to support the display screen, the tilting of the display screen is prevented, and the pressure relief rod 701 in the pressure relief mechanism 7 can be brought back through the movement of the first rotating rod 709, when the user sets the display screen, the support rod 602 is retracted to complete the operation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.