CN213429012U

CN213429012U - Reading and writing protective frame for preventing myopia

Info

Publication number: CN213429012U
Application number: CN202020992619.6U
Authority: CN
Inventors: 胡晨昕
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-06-15
Anticipated expiration: 2030-06-03

Abstract

The utility model belongs to the fender bracket field, especially, prevention myopia reading and writing fender bracket, including the montant, the bottom fixed mounting of montant has the fixed plate, the first groove has been seted up at the top of montant, slidable mounting has the carriage release lever in the first groove, the top of carriage release lever extends to the top and fixed mounting of montant has the layer board, the shifting chute has been seted up to one side of montant, slidable mounting has the clamp plate in the shifting chute, clamp plate and fixed plate looks adaptation, the rotation hole has been seted up on the fixed plate, the rotation hole rotates and installs the lead screw, the top of lead screw is rotated and is installed on the top inner wall of shifting chute, and clamp plate threaded sleeve establishes on the lead screw, the bottom of lead screw extends to the below and the fixed mounting of fixed. The utility model relates to a rationally, through the cooperation of clamp plate and fixed plate, be convenient for with fender bracket fixed mounting on the table, and be convenient for carry out altitude mixture control to the layer board to be suitable for the crowd of different age brackets.

Description

Reading and writing protective frame for preventing myopia

Technical Field

The utility model relates to a fender bracket technical field especially relates to a prevention myopia reading and writing fender bracket.

Background

When young students read and write, the head of the young students is usually buried very low unconsciously, and even the young students lie on a desk, and the reading and writing posture is incorrect and the time is long, so that the incorrect reading and writing posture of the young students is not easy to correct, the eyesight of the students is reduced, and the eyesight of the young students is seriously damaged. Some eyesight correction or reading and writing posture correction devices appear in the market at present, when people who use the devices are short in different ages, the height of the protection frame is different, and the problem that the protection frame is not convenient to fix and adjust exists, so that the myopia prevention reading and writing protection frame is provided for solving the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the prior art has the defects that the protecting frame is not convenient to fix and adjust, and providing a myopia prevention reading and writing protecting frame.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a myopia-preventing reading and writing protection frame comprises a vertical rod, wherein a fixed plate is fixedly mounted at the bottom of the vertical rod, a first groove is formed in the top of the vertical rod, a moving rod is slidably mounted in the first groove, the top end of the moving rod extends to the upper side of the vertical rod, a supporting plate is fixedly mounted on the top of the vertical rod, a moving groove is formed in one side of the vertical rod, a pressing plate is slidably mounted in the moving groove and matched with the fixed plate, a rotating hole is formed in the fixed plate, a lead screw is rotatably mounted in the rotating hole, the top end of the lead screw is rotatably mounted on the inner wall of the top of the moving groove, the pressing plate is sleeved on the lead screw in a threaded manner, the bottom end of the lead screw extends to the lower side of the fixed plate and is fixedly mounted with a knob, a plurality of pin grooves are formed in one side of the moving rod, a second groove is formed, adjusting screw is installed to the screw hole internal thread, and adjusting screw's one end extends to the outside of montant, and adjusting screw's the other end rotates and installs on the key seat.

Preferably, the anti-slip mat is fixedly mounted on one side of the fixed plate, which is connected with the pressing plate, the two anti-slip mats are matched with each other, and the friction force between the pressing plate and the desktop can be increased through the anti-slip mats.

Preferably, the top fixed mounting of layer board has the protection pad, and the protection pad setting is located the foam-rubber cushion, can support people's chin through the layer board, can protect the chin through the foam-rubber cushion.

Preferably, all seted up the spacing groove on the both sides inner wall in first groove, the equal fixed mounting in both sides of carriage release lever has spacing seat, and spacing seat and the spacing groove sliding connection who corresponds can make the carriage release lever carry out stable removal owing to be provided with spacing seat and spacing groove.

Preferably, all seted up the sliding tray on the both sides inner wall of shifting chute, the equal fixed mounting in both sides of clamp plate has the sliding seat, and sliding seat and the sliding tray sliding connection who corresponds, owing to be provided with sliding seat and sliding tray, can make the clamp plate carry out stable removal.

Preferably, a rotating groove is formed in one side of the pin boss, the other end of the adjusting screw rod is rotatably installed in the rotating groove, and a handle is fixedly installed at the other end of the adjusting screw rod.

In the utility model, when different crowds read and write, the myopia-preventing read and write fender bracket can prevent children from excessively lowering heads through the fender bracket, the fender bracket is firstly installed, firstly, the fixed plate is contacted with the bottom of the table plate, at the moment, the pressing plate is positioned above the table plate, the knob can drive the lead screw to rotate through rotating the knob, the rotation of the lead screw can drive the pressing plate to move downwards, the pressing plate can extrude the table plate downwards, and the vertical rod and the supporting plate can be fixedly installed on the table plate through the matching of the pressing plate and the fixed plate;

and the crowd of different ages, because the difference of height needs the highly different of layer board, when adjusting the layer board, at first rotate adjusting screw, under the effect of screw hole, can make adjusting screw rotate the removal on one side, adjusting screw's removal can drive the key seat and remove and break away from the keyway that corresponds, thereby remove the fixed to the carriage release, through the rebound layer board, can carry out altitude mixture control to the layer board, after adjusting suitable position, the contra-rotation adjusting screw, can make the key seat reset and block into the keyway that corresponds, thereby can fix the layer board.

The utility model relates to a rationally, through the cooperation of clamp plate and fixed plate, be convenient for with fender bracket fixed mounting on the table, and be convenient for carry out altitude mixture control to the layer board to be suitable for the crowd of different age brackets.

Drawings

Fig. 1 is a schematic structural view of a myopia-preventing reading and writing protection bracket provided by the utility model;

fig. 2 is a schematic structural view of a part a of a myopia-preventing reading and writing protection frame provided by the present invention;

fig. 3 is a schematic structural diagram of part B of the reading and writing protection frame for preventing myopia according to the present invention.

In the figure: 1. a vertical rod; 2. a fixing plate; 3. a first groove; 4. a travel bar; 5. a support plate; 6. a moving groove; 7. pressing a plate; 8. rotating the hole; 9. a screw rod; 10. a knob; 11. a pin slot; 12. a second groove; 13. a pin boss; 14. a threaded hole; 15. adjusting the screw rod; 16. a non-slip mat; 17. and (6) a protective pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a myopia prevention reading and writing protection frame comprises a vertical rod 1, a fixed plate 2 is fixedly installed at the bottom of the vertical rod 1, a first groove 3 is formed in the top of the vertical rod 1, a moving rod 4 is slidably installed in the first groove 3, the top end of the moving rod 4 extends to the upper side of the vertical rod 1 and is fixedly installed with a supporting plate 5, a moving groove 6 is formed in one side of the vertical rod 1, a pressing plate 7 is slidably installed in the moving groove 6, the pressing plate 7 is matched with the fixed plate 2, a rotating hole 8 is formed in the fixed plate 2, a screw rod 9 is rotatably installed in the rotating hole 8, the top end of the screw rod 9 is rotatably installed on the inner wall of the top of the moving groove 6, the pressing plate 7 is sleeved on the screw rod 9 in a threaded manner, a knob 10 is fixedly installed at the bottom end of the screw rod 9 and extends to the lower side of, sliding mounting has a round pin seat 13 in second groove 12, and round pin seat 13 and the round pin groove 11 looks adaptation that corresponds, sets up threaded hole 14 on one side inner wall of second groove 12, and adjusting screw 15 is installed to threaded hole 14 internal thread, and adjusting screw 15's one end extends to the outside of montant 1, and adjusting screw 15's the other end rotates and installs on round pin seat 13.

The utility model discloses in, the equal fixed mounting in one side of fixed plate 2 and clamp plate 7 interconnect has slipmat 16, and 16 looks adaptations of two slipmats can increase the frictional force of clamp plate 7 and desktop through slipmat 16.

The utility model discloses in, the top fixed mounting of layer board 5 has protection pad 17, and protection pad 17 sets up and is located the foam-rubber cushion, can support people's chin through layer board 5, can protect the chin through the foam-rubber cushion.

The utility model discloses in, all seted up the spacing groove on the both sides inner wall of first groove 3, the equal fixed mounting in both sides of carriage release lever 4 has spacing seat, and spacing seat and the spacing groove sliding connection who corresponds, owing to be provided with spacing seat and spacing groove, can make carriage release lever 4 carry out stable removal.

The utility model discloses in, all seted up the sliding tray on the both sides inner wall of shifting chute 6, the equal fixed mounting in both sides of clamp plate 7 has the sliding seat, and sliding seat and the sliding tray sliding connection who corresponds can make clamp plate 7 carry out stable removal owing to be provided with sliding seat and sliding tray.

The utility model discloses in, the rotation groove has been seted up to one side of key seat 13, and adjusting screw 15's the other end rotates and installs at the rotation inslot, and adjusting screw 15's other end fixed mounting has the handle.

In the utility model, when different people read and write, the protective frame can prevent children from excessively lowering head, the protective frame is installed firstly, the fixing plate 2 is contacted with the bottom of the table, at the moment, the pressing plate 7 is positioned above the table, the knob 10 can drive the screw rod 9 to rotate by rotating the knob 10, the pressing plate 7 can be driven by the rotation of the screw rod 9 to move downwards, the pressing plate 7 can extrude the table downwards, the montant 1 and the supporting plate 5 can be fixedly installed on the table by matching the pressing plate 7 and the fixing plate 2, and people with different ages need different heights of the supporting plate 5 due to the difference of heights, when the supporting plate 5 is adjusted, the adjusting screw rod 15 is rotated firstly, under the action of the threaded hole 14, the adjusting screw rod 15 can rotate and move on one side, the adjusting screw rod 15 can drive the pin seat 13 to move and break away from the corresponding pin groove 11, thereby remove the fixed of carriage release 4, through upwards moving layer board 5, can carry out height control to layer board 5, after adjusting suitable position, reverse rotation adjusting screw 15 can make pin boss 13 reset and block in the corresponding cotter way 11 to can fix layer board 5.

Claims

1. A reading and writing protection frame for preventing myopia comprises a vertical rod (1) and is characterized in that a fixed plate (2) is fixedly mounted at the bottom of the vertical rod (1), a first groove (3) is formed in the top of the vertical rod (1), a moving rod (4) is slidably mounted in the first groove (3), the top end of the moving rod (4) extends to the upper portion of the vertical rod (1) and is fixedly provided with a supporting plate (5), a moving groove (6) is formed in one side of the vertical rod (1), a pressing plate (7) is slidably mounted in the moving groove (6), the pressing plate (7) is matched with the fixed plate (2), a rotating hole (8) is formed in the fixed plate (2), a lead screw (9) is rotatably mounted in the rotating hole (8), the top end of the lead screw (9) is rotatably mounted on the inner wall of the top portion of the moving groove (6), the pressing plate (7) is in threaded sleeve connection with the lead screw (9), the bottom end of the lead, a plurality of cotter ways (11) have been seted up to one side of carriage release lever (4), second groove (12) have been seted up on the one side inner wall of first groove (3), slidable mounting has cotter seat (13) in second groove (12), and cotter seat (13) and cotter groove (11) looks adaptation that corresponds, set up threaded hole (14) on the one side inner wall of second groove (12), adjusting screw (15) are installed to screw hole (14) internal thread, and the one end of adjusting screw (15) extends to the outside of montant (1), the other end rotation of adjusting screw (15) is installed on cotter seat (13).

2. The reading and writing protection frame for preventing myopia according to claim 1, wherein the anti-slip mat (16) is fixedly installed on one side where the fixing plate (2) and the pressing plate (7) are connected with each other, and the two anti-slip mats (16) are matched with each other.

3. The reading and writing protection frame for preventing myopia according to claim 1, wherein a protection pad (17) is fixedly installed at the top of the supporting plate (5), the protection pad (17) is arranged on a spongy cushion, and the supporting plate (5) can support the lower jaw of a person.

4. The reading and writing protective frame for preventing myopia according to claim 1, wherein the inner walls of the two sides of the first groove (3) are respectively provided with a limiting groove, the two sides of the moving rod (4) are respectively fixedly provided with a limiting seat, and the limiting seats are connected with the corresponding limiting grooves in a sliding manner.

5. The reading and writing protective frame for preventing myopia according to claim 1, wherein sliding grooves are formed on the inner walls of the two sides of the moving groove (6), sliding seats are fixedly installed on the two sides of the pressing plate (7), and the sliding seats are slidably connected with the corresponding sliding grooves.

6. The reading and writing protective frame for preventing myopia according to claim 1, wherein a rotating groove is formed in one side of the pin seat (13), the other end of the adjusting screw rod (15) is rotatably installed in the rotating groove, and a handle is fixedly installed at the other end of the adjusting screw rod (15).