CN210970468U - English teaching four-wire three-grid scriber - Google Patents

Abstract

The utility model discloses a four-line three-grid marking device for English teaching, which comprises a base, a fixing cylinder is fixedly installed on the upper side of the base, a support rod is slidably connected inside the fixing cylinder, and the top end of the support rod is A connecting block is clamped, a handrail is fixedly installed on the right side of the connecting block, a fixing frame is fixedly installed on the left side of the connecting block, a fixing plate is fixedly installed inside the fixing frame, and the interior of the fixing plate is fixed There are four chalk placing cylinders installed, and the chalk placing cylinders are equidistantly arranged. The utility model can draw four lines and three grids neatly during the moving process by installing four equidistantly-arranged chalk placing cylinders on the fixed plate inside the fixed frame, and can avoid manual marking The parallelism between the horizontal lines cannot be guaranteed and the distance between the horizontal lines cannot be well grasped, which improves the standardization of writing, which is beneficial to the teaching of teachers and the learning of students.

Description

A four-line three-grid marking device for English teaching

technical field

The utility model relates to the technical field of English teaching, in particular to a four-line three-grid marking device for English teaching.

Background technique

Now in English teaching in schools, in order to teach students the correct and standardized writing of English letters or words, English teachers usually need to draw four lines and three grids on the blackboard for guidance and demonstration, but there are no good tools for drawing four lines and three grids. Usually, teachers use a ruler to draw horizontal lines one by one. Not only the parallelism between the horizontal lines cannot be guaranteed, but also the distance between the horizontal lines cannot be well grasped. The four lines and three grids drawn in this way are not standard, which is not good for writing standards. expression cannot achieve the desired effect.

Utility model content

The utility model mainly solves the technical problems existing in the above-mentioned prior art, and provides a four-line three-grid marking device for English teaching.

In order to achieve the above purpose, the utility model provides the following technical solutions: a four-line three-grid marking device for English teaching, comprising a base, a fixing cylinder is fixedly installed on the upper side of the base, and a support is slidably connected inside the fixing cylinder The top of the support rod is clamped with a connecting block, the right side of the connecting block is fixedly installed with a handrail, the left side of the connecting block is fixedly installed with a fixing frame, and the interior of the fixing frame is fixedly installed with a fixing plate , the interior of the fixing plate is fixedly installed with chalk placing cylinders, and the chalk placing cylinders have four and are arranged equidistantly.

Preferably, a first baffle is slidably connected to the inside of the chalk placing cylinder, a connecting rod is fixedly installed on one side of the first baffle, and a second baffle is fixedly installed on the other end of the connecting rod. A spring cylinder is fixedly installed inside the fixing frame, a spring is arranged inside the spring cylinder, and the second baffle plate is slidably connected with the spring cylinder.

Preferably, a support plate is fixedly installed inside the fixing cylinder, a threaded rod is rotatably connected inside the support plate, the threaded rod is threadedly connected with the support rod, and one end of the threaded rod is fixedly installed with a first bevel gear , the surface of the first bevel gear is meshed with a second bevel gear, one side of the second bevel gear is fixedly installed with a rotating shaft, the other end of the rotating shaft is fixedly installed with a turntable, and one side of the turntable is fixedly installed with a handle.

Preferably, the inner wall of the fixing cylinder is provided with a chute, the outer side of the support rod is fixedly installed with a slider, and the slider is slidably connected with the chute.

Preferably, a bracket is fixedly installed on the lower side of the base, and a roller is rotatably connected to the inside of the bracket.

Compared with the prior art, the beneficial effects of the present utility model are as follows:

1. The utility model installs four equidistantly arranged chalk placing cylinders on the fixed plate inside the fixed frame, and cooperates with the rollers arranged on the lower side of the base, so that four lines and three grids can be neatly drawn during the moving process, avoiding manual work. The parallelism between the horizontal lines cannot be guaranteed and the distance between the horizontal lines cannot be well grasped, which improves the standardization of writing and is beneficial to teachers' teaching and students' learning.

2. The utility model rotates the turntable through the handle, the turntable drives the second bevel gear to rotate through the rotating shaft, the second bevel gear drives the first bevel gear meshed on its surface to rotate, the first bevel gear drives the threaded rod to rotate, and the threaded rod drives the support rod upward When moving, the support rod drives the fixed frame and the chalk placing cylinder to move upward, thereby realizing the marking operation of different heights and improving the practicability of the device.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of the cross section of the utility model;

Fig. 3 is the structural representation of the spring cylinder of the present utility model;

FIG. 4 is a schematic structural diagram of a connecting block of the present invention.

In the figure: 1 base, 2 fixing cylinder, 3 supporting rod, 4 connecting block, 5 fixing frame, 6 fixing plate, 7 chalk placing cylinder, 8 first baffle, 9 connecting rod, 10 second baffle, 11 spring cylinder , 12 springs, 13 support plates, 14 threaded rods, 15 first bevel gears, 16 second bevel gears, 17 shafts, 18 turntables, 19 handles, 20 brackets, 21 rollers, 22 sliders, 23 chutes, 24 handrails, 25 card blocks, 26 card slots.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Figure 1-4, a four-line three-grid marking device for English teaching, including a base 1, a fixed cylinder 2 is fixedly installed on the upper side of the base 1, and a support rod 3 is slidably connected to the inside of the fixed cylinder 2, and the support rod 3 A connecting block 4 is clamped at the top of the connecting block 4, a handrail 24 is fixedly installed on the right side of the connecting block 4, a fixing frame 5 is fixedly installed on the left side of the connecting block 4, and a fixing plate 6 is fixedly installed inside the fixing frame 5. A chalk placing cylinder 7 is fixedly installed inside, and there are four chalk placing cylinders 7, which are arranged equidistantly. A bracket 20 is fixedly installed on the lower side of the base 1, and a roller 21 is rotatably connected inside the bracket 20. Four equidistantly arranged chalk placing cylinders 7 are installed on the fixed plate 6, and in cooperation with the rollers 21 arranged on the lower side of the base 1, four lines and three grids can be neatly drawn during the movement process, avoiding manual marking between the horizontal lines. The parallelism of the chalk can not be guaranteed and the distance between the horizontal lines can not be well grasped, which improves the standardization of writing, which is beneficial to the teaching of teachers and the learning of students. 8. One side of the first baffle 8 is fixedly installed with a connecting rod 9, the other end of the connecting rod 9 is fixedly installed with a second baffle 10, the interior of the fixed frame 5 is fixedly installed with a spring cylinder 11, and the interior of the spring cylinder 11 is set There is a spring 12, the second baffle 10 is slidably connected with the spring cylinder 11, and through the settings of the spring cylinder 11, the spring 12, the connecting rod 9, the first baffle 8 and the second baffle 10, even if the user exerts uneven force or chalks When the length is different, the elastic force of the spring 12 can also ensure that the chalk is always in contact with the blackboard, so that the lines drawn are neat, uniform and beautiful.

Please refer to FIG. 2 , a support plate 13 is fixedly installed inside the fixing cylinder 2 , a threaded rod 14 is rotatably connected to the interior of the support plate 13 , the threaded rod 14 is threadedly connected with the support rod 3 , and the inner wall of the fixing cylinder 2 is provided with a chute 23 , A slider 22 is fixedly installed on the outer side of the support rod 3, and the slider 22 is slidably connected with the chute 23. One end of the threaded rod 14 is fixedly installed with a first bevel gear 15, and the surface of the first bevel gear 15 is meshed with a second bevel gear 16. , one side of the second bevel gear 16 is fixedly installed with a rotating shaft 17, the other end of the rotating shaft 17 is fixedly installed with a turntable 18, one side of the turntable 18 is fixedly installed with a handle 19, the turntable 18 is rotated through the handle 19, and the turntable 18 is driven by the rotating shaft 17 The second bevel gear 16 rotates, the second bevel gear 16 drives the first bevel gear 15 meshed on its surface to rotate, the first bevel gear 15 drives the threaded rod 14 to rotate, the threaded rod 14 drives the support rod 3 to move upward, and the support rod 3 drives the fixed The frame 5 and the chalk placing cylinder 7 move upward, thereby realizing the marking operation of different heights and improving the practicability of the device.

Please refer to FIGS. 2 and 4 , the top end of the support rod 3 is fixedly installed with a clamping block 25 , and the bottom of the connecting block 4 is provided with a clamping slot 26 which is adapted to the clamping block 25 , which can conveniently connect the support rod 3 to the connecting block. 4 to disassemble, the user can also only operate the fixed frame 5 through the connecting block 4 and the armrest 24 to perform rough scribing operations, which improves the practicability of the device.

To sum up: the four-line three-grid marking device for English teaching can be achieved by installing four equidistantly arranged chalk placing cylinders 7 on the fixing plate 6 inside the fixing frame 5, and cooperating with the rollers 21 arranged on the lower side of the base 1. In the process of moving, draw four lines and three grids neatly, avoiding the problem that the parallelism between the horizontal lines cannot be guaranteed and the distance between the horizontal lines cannot be well grasped, which improves the standardization of writing. It is beneficial to the teaching of teachers and the learning of students. Through the setting of the spring cylinder 11, the spring 12, the connecting rod 9, the first baffle 8 and the second baffle 10, even if the user exerts uneven force or the length of the chalk is different, the spring 12 The elastic force can also ensure that the chalk is always in contact with the blackboard, so that the lines drawn are neat, even and beautiful. The turntable 18 is rotated by the handle 19, and the turntable 18 drives the second bevel gear 16 through the rotating shaft 17 to rotate, and the second bevel gear 16 drives it. The first bevel gear 15 meshed on the surface rotates, the first bevel gear 15 drives the threaded rod 14 to rotate, the threaded rod 14 drives the support rod 3 to move upward, and the support rod 3 drives the fixed frame 5 and the chalk placing cylinder 7 to move upward, thereby realizing different A high degree of scribing operation improves the practicability of the device.

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

Claims (6)

1. The utility model provides an english teaching four-wire three-grid scriber, includes base (1), its characterized in that: the utility model discloses a chalk, including base (1), upside fixed mounting of base (1) has a fixed cylinder (2), the inside sliding connection of fixed cylinder (2) has bracing piece (3), the top joint of bracing piece (3) has connecting block (4), the right side fixed mounting of connecting block (4) has handrail (24), the left side fixed mounting of connecting block (4) has fixed frame (5), the inside fixed mounting of fixed frame (5) has fixed plate (6), the inside fixed mounting of fixed plate (6) has the chalk to place a section of thick bamboo (7), the chalk is placed a section of thick bamboo (7) and is had four, and the equidistance arranges.

2. The English teaching four-line three-grid scriber of claim 1, wherein: the chalk placing barrel is characterized in that a first baffle (8) is connected to the inside of the chalk placing barrel (7) in a sliding mode, a connecting rod (9) is fixedly installed on one side of the first baffle (8), a second baffle (10) is fixedly installed on the other end of the connecting rod (9), a spring barrel (11) is fixedly installed inside the fixing frame (5), a spring (12) is arranged inside the spring barrel (11), and the second baffle (10) is connected with the spring barrel (11) in a sliding mode.

3. The English teaching four-line three-grid scriber of claim 1, wherein: the utility model discloses a fixed cylinder, including fixed cylinder (2), the inside fixed mounting of fixed cylinder (2) has backup pad (13), the internal rotation of backup pad (13) is connected with threaded rod (14), threaded rod (14) and bracing piece (3) threaded connection, the one end fixed mounting of threaded rod (14) has first bevel gear (15), the surface toothing of first bevel gear (15) has second bevel gear (16), one side fixed mounting of second bevel gear (16) has pivot (17), the other end fixed mounting of pivot (17) has carousel (18), one side fixed mounting of carousel (18) has handle (19).

4. The English teaching four-line three-grid scriber of claim 3, wherein: the inner wall of the fixed cylinder (2) is provided with a sliding groove (23), the outer side of the supporting rod (3) is fixedly provided with a sliding block (22), and the sliding block (22) is connected with the sliding groove (23) in a sliding mode.

5. The English teaching four-line three-grid scriber of claim 1, wherein: the lower side of the base (1) is fixedly provided with a support (20), and the inside of the support (20) is rotatably connected with a roller (21).

6. The English teaching four-line three-grid scriber of claim 1, wherein: the top end of the supporting rod (3) is fixedly provided with a clamping block (25), and the bottom of the connecting block (4) is provided with a clamping groove (26) matched with the clamping block (25).

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