阅读说明：本技术 一种用于英语教学的书本放置架 (A books rack for english teaching ) 是由 张素平 于 2020-09-03 设计创作，主要内容包括：本发明提供一种用于英语教学的书本放置架,涉及英语教学仪器领域。该用于英语教学的书本放置架,包括底座,所述底座的顶部设置有支撑杆,所述支撑杆的内部且位于支撑杆的上侧开设有凹槽,所述凹槽的内壁背面通过中轴活动安装有斜齿轮,所述斜齿轮的正面固定安装有第一齿轮,所述凹槽的内壁背面且位于斜齿轮的上侧固定安装有转轴,所述转轴的外表面活动套接有活动板。该用于英语教学的书本放置架,通过活动板上下转动,使得倒钩和挂钩带动斜齿轮转动,利用斜齿轮带动第一齿轮转动,使得齿条上升,达到调节书本放置架高度的作用,使得身高较高的教师使用起来更加方便,不需要弯腰。(The invention provides a book placing frame for English teaching, and relates to the field of English teaching instruments. This a books rack for english teaching, the on-line screen storage device comprises a base, the top of base is provided with the bracing piece, the inside of bracing piece and the upside that is located the bracing piece are seted up flutedly, there is the helical gear at the inner wall back of recess through axis movable mounting, the front fixed mounting of helical gear has first gear, the inner wall back of recess and the upside fixed mounting that is located the helical gear have a pivot, the surface activity of pivot has cup jointed the fly leaf. This a books rack for english teaching through fly leaf tilting for barb and couple drive helical gear and rotate, utilize the helical gear to drive first gear revolve, make the rack rise, reach the effect of adjusting books rack height, make the higher teacher of height use more convenient, do not need bow.)

1. The utility model provides a books rack for english teaching, includes base (1), its characterized in that: the top of the base (1) is provided with a supporting rod (2), the upper side of the supporting rod (2) inside the supporting rod (2) is provided with a groove (3), the inner wall back of the groove (3) is movably provided with a helical gear (4) through a middle shaft, the front of the helical gear (4) is fixedly provided with a first gear (5), the inner wall back of the groove (3) is fixedly provided with a rotating shaft (9) at the upper side of the helical gear (4), the outer surface of the rotating shaft (9) is movably sleeved with a movable plate (6), one side of the bottom of the movable plate (6) is arranged at the front of the movable plate (6) and is movably provided with a barb (7) through the middle shaft, the other side of the bottom of the movable plate (6) is movably provided with a hook (8) at the front of the movable plate (6) through the middle shaft, and, a rack (10) is arranged inside the groove (3) and on the right side of the first gear (5), the left side of the rack (10) is meshed with the right side of the first gear (5), and the top of the rack (10) penetrates through the top of the inner wall of the support rod (2) and extends to the upper side of the support rod (2); the inner wall left side of recess (3) and the downside that is located helical gear (4) fixed mounting have fixed block (11), the front right side of fixed block (11) has buckle part (12) through axis movable mounting, the bottom of buckle part (12) has connecting rod (13) through axis movable mounting, the one end that buckle part (12) were kept away from to connecting rod (13) runs through the inner wall left side of recess (3) and extends to the outside of bracing piece (2), the top fixed mounting of rack (10) has book clamping device body (15), the top fixed mounting of base (1) has sleeve (16), the bottom of bracing piece (2) is pegged graft with sleeve (16), the top of base (1) and the inside fixed mounting that is located sleeve (16) have motor (17), the output of motor (17) runs through the inner wall top of sleeve (16) and extends to the upside of sleeve (16), the output end of the motor (17) is welded with the bottom of the support rod (2), and a switch (22) is fixedly mounted on the left side of the support rod (2).

2. A books rack for english teaching of claim 1, its characterized in that: circular slot (20) have been seted up at the top of base (1), the equal fixed mounting in the inside that the bottom both sides of bracing piece (2) just are located circular slot (20) has slider (21).

3. A books rack for english teaching of claim 1, its characterized in that: a through groove is formed in the left side of the inner wall of the groove (3), and one end, far away from the rotating shaft (9), of the movable plate (6) extends to the outer side of the supporting rod (2) through the through groove.

4. A books rack for english teaching of claim 1, its characterized in that: the top of the buckle part (12) is fixedly provided with a spring (14), and one end, far away from the buckle part (12), of the spring (14) is fixedly connected with one side of the fixed block (11).

5. A books rack for english teaching of claim 1, its characterized in that: the outer surface of motor (17) output end just is located the inside fixed cup joint of sleeve (16) and has been had second gear (18), the inner wall top fixed mounting of sleeve (16) has electric push rod (19).

6. A books rack for english teaching of claim 1, its characterized in that: the pulley (23) is fixedly mounted at four corners of the bottom of the base (1), the rotating block (24) is movably mounted at the left end of the top of the base (1) through a middle shaft, and the rubber block (25) is fixedly mounted at the bottom of the rotating block (24).

Technical Field

The invention relates to the technical field of English teaching instruments, in particular to a book placing frame for English teaching.

Background

When a teacher speaks in a classroom, pages turned over are naturally folded due to tension of books, particularly, the books with new and thicker paper are naturally folded, so that the teacher can fix the books by using the book placing frame.

The teacher puts into the book on the books rack, because teacher's height is different and general books rack structure is fixed, leads to some teachers and teachers to see the slight bowing of textbook needs during teaching, and the inconvenience of ten minutes has brought the injury to teacher's health for a long time, produces the injury just to teacher's eyes, and general books rack support is fixed with the base for the books rack is used nimble enough convenient.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a book placing frame for English teaching, which solves the problems that the height of a common book placing frame is inconvenient to adjust and the use is not flexible.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a book placing rack for English teaching comprises a base, wherein a supporting rod is arranged at the top of the base, a groove is formed in the supporting rod and located on the upper side of the supporting rod, a helical gear is movably mounted on the back of the inner wall of the groove through a central shaft, a first gear is fixedly mounted on the front of the helical gear, a rotating shaft is fixedly mounted on the back of the inner wall of the groove and located on the upper side of the helical gear, a movable plate is movably sleeved on the outer surface of the rotating shaft, a barb is movably mounted on one side of the bottom of the movable plate and located on the front of the movable plate through the central shaft, a hook is movably mounted on the other side of the bottom of the movable plate and located on the front of the movable plate through the central shaft, the other end of the hook extends to the right side of the helical gear, the top of the rack penetrates through the top of the inner wall of the supporting rod and extends to the upper side of the supporting rod.

The utility model discloses a book clamping device, including recess, axis, fixed block, connecting rod, clamping part, telescopic inner wall top, telescopic upside, telescopic motor, the inner wall left side of recess and the downside fixed mounting that is located the helical gear of recess have the fixed block, there is clamping part the positive right side of fixed block through axis movable mounting, there is the connecting rod bottom of clamping part through axis movable mounting, the one end that the clamping part was kept away from to the connecting rod runs through the inner wall left side of recess and extends to the outside of bracing piece, the top fixed mounting of rack has the sleeve, the bottom and the sleeve of bracing piece are pegged graft, the top of base just is located telescopic inside fixed mounting and has the motor, the output of motor runs through telescopic inner wall top and extends to telescopic upside, the output of motor.

Preferably, the circular groove has been seted up at the top of base, the equal fixed mounting in the bottom both sides of bracing piece and the inside that is located the circular groove has the slider.

Preferably, a through groove is formed in the left side of the inner wall of the groove, and one end, away from the rotating shaft, of the movable plate extends to the outer side of the supporting rod through the through groove.

Preferably, a spring is fixedly mounted at the top of the buckle part, and one end, far away from the buckle part, of the spring is fixedly connected with one side of the fixing block.

Preferably, the outer surface of the output end of the motor is fixedly sleeved with a second gear inside the sleeve, and the top of the inner wall of the sleeve is fixedly provided with an electric push rod.

Preferably, pulleys are fixedly mounted on four corners of the bottom of the base, a rotating block is movably mounted at the left end of the top of the base through a middle shaft, and a rubber block is fixedly mounted at the bottom of the rotating block.

(III) advantageous effects

The invention provides a book placing frame for English teaching. The method has the following beneficial effects:

1. this a books rack for english teaching through fly leaf tilting for barb and couple drive helical gear and rotate, utilize the helical gear to drive first gear revolve, make the rack rise, reach the effect of adjusting books rack height, make the higher teacher of height use more convenient, do not need bow.

2. This a books rack for english teaching drives the bracing piece rotation through the motor, reaches the effect that the regulation changed books rack angle, rotates through the on-off control motor for people make things convenient for the operation to adjust books rack, improve the practicality of books rack, utilize buckle part to block the helical gear, prevent the helical gear rotation, and make books rack gliding.

Drawings

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

FIG. 2 is an enlarged view of the structure of FIG. 1 at A according to the present invention;

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

In the figure: the book clamping device comprises a base 1, a support rod 2, a groove 3, a helical gear 4, a first gear 5, a movable plate 6, a barb 7, a hook 8, a rotating shaft 9, a rack 10, a fixed block 11, a buckle part 12, a connecting rod 13, a spring 14, a book clamping device body 15, a sleeve 16, a motor 17, a second gear 18, an electric push rod 19, a circular groove 20, a sliding block 21, a switch 22, a pulley 23, a rotating block 24 and a rubber block 25.

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 embodiment of the invention provides a book placing rack for English teaching, which comprises a base 1, wherein a supporting rod 2 is arranged at the top of the base 1, a circular groove 20 is formed in the top of the base 1, sliding blocks 21 are fixedly arranged on two sides of the bottom of the supporting rod 2 and inside the circular groove 20, the top of the base 1 is in contact with the bottom of the supporting rod 2, friction between the circular groove and the sliding blocks 21 is reduced through matching use of the circular groove and the sliding blocks 21, so that the supporting rod 2 rotates more flexibly to avoid blocking, a groove 3 is formed in the supporting rod 2 and located on the upper side of the supporting rod 2, a bevel gear 4 is movably arranged on the back of the inner wall of the groove 3 through a central shaft, a first gear 5 is fixedly arranged on the front of the bevel gear 4, a rotating shaft 9 is fixedly arranged on the back of the inner wall of the groove 3 and located on the upper side of, a through groove is formed in the left side of the inner wall of the groove 3, one end, far away from the rotating shaft 9, of the movable plate 6 extends to the outer side of the support rod 2 through the through groove, people grab the movable plate 6 to move up and down, the helical gear 4 rotates counterclockwise little by little, so that the rack 10 drives the book placing rack to ascend little by little, a barb 7 is movably installed on one side of the bottom of the movable plate 6 and located on the front of the movable plate 6 through a middle shaft, a hook 8 is movably installed on the other side of the bottom of the movable plate 6 and located on the front of the movable plate 6 through the middle shaft, the other end of the hook 8 extends to the right side of the helical gear 4, the hook of the hook 8 approaches to the helical gear 4, a rack 10 is arranged inside the groove 3 and located on the right side of the first gear 5, the left side of the rack 10 is meshed with the right side of the, this a books rack for english teaching through 6 tilting on fly leaf for barb 7 and couple 8 drive helical gear 4 and rotate, utilize helical gear 4 to drive first gear 5 and rotate, make rack 10 rise, reach the effect of adjusting books rack height, make the higher teacher of height use more conveniently, do not need stoop.

A fixed block 11 is fixedly arranged on the left side of the inner wall of the groove 3 and positioned on the lower side of the helical gear 4, a buckle part 12 is movably arranged on the right side of the front face of the fixed block 11 through a middle shaft, a hook of the buckle part 12 is close to the helical gear 4, a spring 14 is fixedly arranged on the top of the buckle part 12, one end, far away from the buckle part 12, of the spring 14 is fixedly connected with one side of the fixed block 11, the buckle part 12 is pulled by a connecting rod 13 to be far away from the helical gear 4, the helical gear 4 is clamped again by the buckle part 12 through the spring 14 after the connecting rod 13 is released, the reset function is achieved, the buckle part 12 can be tightly attached to the helical gear 4 through the elasticity of the spring 14, the connecting rod 13 is movably arranged at the bottom of the buckle part 12 through the middle shaft, one end, far away, the top of the base 1 is fixedly provided with a sleeve 16, the bottom of the support rod 2 is inserted into the sleeve 16, the top of the base 1 and the inside of the sleeve 16 are fixedly provided with a motor 17, the output end of the motor 17 penetrates through the top of the inner wall of the sleeve 16 and extends to the upper side of the sleeve 16, the output end of the motor 17 is welded with the bottom of the support rod 2, the outer surface of the output end of the motor 17 and the inside of the sleeve 16 are fixedly sleeved with a second gear 18, the top of the inner wall of the sleeve 16 is fixedly provided with an electric push rod 19, the electric push rod 19 is also called a linear driver, the motor drives a pair of lead screw nuts after being decelerated by the gears to change the rotary motion of the motor into linear motion, the push rod action is completed by utilizing the positive and negative rotation of the motor, the purpose of fixing books and placing and clamping angles is achieved by using, the left side of the supporting rod 2 is fixedly provided with a switch 22, the output end of the switch 22 is respectively electrically connected with the input ends of the motor 17 and the electric push rod 19, four corners of the bottom of the base 1 are fixedly provided with pulleys 23, the pulleys 23 are utilized to facilitate people to carry, time and physical strength are saved, the left end of the top of the base 1 is movably provided with a rotating block 24 through a middle shaft, the bottom of the rotating block 24 is fixedly provided with a rubber block 25, the rubber block 25 is utilized to play a role of limiting the book placing rack to move, and the book placing rack is prevented from automatically moving when an English teacher gives lessons, the motor 17 drives the supporting rod 2 to rotate, so as to achieve the effect of adjusting and changing the angle of the book placing rack, the motor 17 is controlled to rotate through the switch 22, so that people can conveniently operate and adjust the book placing rack, the practicability of the book placing rack is improved, the helical gear 4 is clamped by the buckle component 12, the helical gear 4 is prevented from rotating, and the book placing rack slides downwards.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

The working principle is as follows: when the book storage rack is used, one hand is firstly used for grabbing the connecting rod 13 to pull outwards, the connecting rod drives the buckling component 12 to be far away from the helical gear 4, the other hand is used for grabbing the movable plate 6 to pull up and down, when the movable plate 6 moves downwards, the hook of the hook 8 hooks the helical gear 4 to lift upwards, meanwhile, the barb 7 moves downwards to push the helical gear 4, when the movable plate 6 moves upwards, the barb 7 and the hook 8 enter the next tooth groove along the tooth groove of the helical gear 4, so that the helical gear rotates anticlockwise a little by a little, the first gear 5 drives the rack 10 to lift, the book storage rack is lifted, then the second motor 17 is started by the switch 22, the supporting rod 2 rotates, finally the electric push rod 19 is started to clamp the second gear 18, and the.

To sum up, this a books rack for english teaching through fly leaf 6 tilting for barb 7 and couple 8 drive helical gear 4 and rotate, utilize helical gear 4 to drive first gear 5 and rotate, make rack 10 rise, reach the effect of adjusting books rack height, make the higher teacher of height use more conveniently, do not need stoop.

And, it is rotatory to drive bracing piece 2 through motor 17, reaches the effect that the regulation changed books rack angle, rotates through switch 22 control motor 17 for people make things convenient for the operation to adjust books rack, improve the practicality of books rack, utilize buckle part 12 to block helical gear 4, prevent helical gear 4 rotation, and make books rack gliding.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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.