CN216231391U

CN216231391U - English scriber

Info

Publication number: CN216231391U
Application number: CN202122957891.8U
Authority: CN
Inventors: 李宝红; 李平阳
Original assignee: Changchun College of Electronic Technology
Current assignee: Changchun College of Electronic Technology
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-04-08
Anticipated expiration: 2031-11-29

Abstract

The utility model discloses an English scriber, which relates to the technical field of teaching aids and comprises a movable ruler, wherein the top of the movable ruler is slidably connected with a limiting plate, one side of the limiting plate is fixedly connected with a scribing bottom plate, a first chute is formed in the scribing bottom plate, two first sliding blocks are slidably connected in the first chute, the tops of the two first sliding blocks are rotatably connected with a telescopic support, a scribing top plate is installed at the top of the telescopic support, one side of the telescopic support is rotatably connected with a plurality of equidistant clamps, and limiting holes are formed in the clamps. The utility model has the beneficial effects that: this english scriber through removing the telescopic bracket between two marking off boards in chi one side, utilizes receiving and releasing of telescopic bracket, drives equidistant displacement between a plurality of anchor clamps that are fixed with the chalk in support one side, guarantees the standardization that four ruled lines were drawn, cooperatees with removing the chi, does not need to draw the straight line many times, is favorable to improving the efficiency that four ruled lines were drawn, supplementary teaching goes on.

Description

English scriber

Technical Field

The utility model relates to the technical field of teaching aids, in particular to an English scriber.

Background

Along with the continuous acceleration of the international process, English is the basic skill of students moving to the world as the international universal language, the knowledge plane of the students can be enriched when the students learn English, the visual field can be widened, the personal advantages can be improved, and the life style and the popular habit of residents in other countries can be known in the process of learning English, which is the most basic and simplest method for widening the visual field.

In the teaching process of english, for expressing the standard of letter and writing, need draw three check of four-wire on the blackboard usually, the teacher generally draws four-wire check through teaching aids such as ruler.

Four ruled lines are directly drawn by the ruler, the parallelism between the transverse lines cannot be guaranteed, the distance between the transverse lines cannot be well grasped, the writing specification is not facilitated, and the chalk is broken due to improper force application, so that waste is caused.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides an English scriber, which solves the problems in the background technology.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides an english scriber, is including removing the chi, the top sliding connection who removes the chi has the limiting plate, one side fixedly connected with of limiting plate rule bottom plate, first spout has been seted up to the inside of rule bottom plate, the inside sliding connection of first spout has two first sliders, two the top of first slider is rotated and is connected with the telescopic bracket, the top of telescopic bracket is installed and is drawn a line roof, one side of telescopic bracket is rotated and is connected with the anchor clamps of a plurality of equidistance, spacing hole has been seted up to the inside of anchor clamps, the chalk body has been placed to the inside in spacing hole.

Preferably, a fan is fixedly mounted on one side of the movable ruler, a dust collecting groove is formed in the inner wall of the movable ruler and located at the input end of the fan, a filter screen is mounted inside the dust collecting groove, and a plurality of ventilation holes are formed in the inner wall of the movable ruler and located at the bottom of the dust collecting groove.

Preferably, a pulley is installed at one end of the movable ruler, grooves are formed in two corresponding sides of the bottom of the movable ruler, an expansion spring is installed inside each groove, and a limiting wheel is fixedly connected to the bottom of each expansion spring.

Preferably, one side of the limiting plate and one side of the clamp are both in threaded connection with bolts.

Preferably, the inside of the first sliding chute is rotatably connected with a screw rod, and the screw rod penetrates through the two first sliding blocks and is in threaded connection with the two first sliding blocks.

Preferably, one side of the scribing bottom plate is rotatably connected with a rotating handle, and the rotating handle is fixedly connected with the screw rod.

Preferably, a second sliding groove is formed in the limiting plate, two second sliding blocks are connected to the second sliding groove in a sliding mode, and the two second sliding blocks are respectively connected with two corresponding sides of the top of the telescopic support in a rotating mode.

The utility model provides an English scriber, which has the following beneficial effects:

1. this english scriber through removing the telescopic bracket between two marking off boards in chi one side, utilizes receiving and releasing of telescopic bracket, drives equidistant displacement between a plurality of anchor clamps that are fixed with the chalk in support one side, guarantees the standardization that four ruled lines were drawn, cooperatees with removing the chi, does not need to draw the straight line many times, is favorable to improving the efficiency that four ruled lines were drawn, supplementary teaching goes on.

2. This english scriber through the bolt of anchor clamps one side, can fix the chalk of different length, makes a plurality of chalks can use simultaneously, and removes chi internally mounted and have the fan, and the dust that produces when can drawing according to the demand enters into the dust collecting tank through a plurality of ventilation holes that remove the chi bottom, reduces the harm that the dust caused.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side cross-sectional view of the present invention;

FIG. 3 is a partial schematic view of the present invention;

fig. 4 is an enlarged view of the utility model at a in fig. 1.

In the figure: 1. moving the ruler; 2. a limiting plate; 3. a second chute; 4. scribing a bottom plate; 5. a first chute; 6. a first slider; 7. a telescopic bracket; 8. marking a top plate; 9. a clamp; 10. a limiting hole; 11. a chalk body; 12. a second slider; 13. a fan; 14. a dust collecting groove; 15. a filter screen; 16. a vent hole; 17. a pulley; 18. a groove; 19. a tension spring; 20. a limiting wheel; 21. a screw rod; 22. and (4) turning the handle.

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.

Referring to fig. 1 to 4, the present invention provides a technical solution: an English scriber comprises a movable ruler 1, a limiting plate 2 is slidably connected to the top of the movable ruler 1, a scribing bottom plate 4 is fixedly connected to one side of the limiting plate 2, a first sliding groove 5 is formed in the scribing bottom plate 4, two first sliding blocks 6 are slidably connected to the inside of the first sliding groove 5, telescopic supports 7 are rotatably connected to the tops of the two first sliding blocks 6, a lead screw 21 is rotatably connected to the inside of the first sliding groove 5, the lead screw 21 penetrates through the two first sliding blocks 6 and is in threaded connection with the two first sliding blocks 6, displacement of the two first sliding blocks 6 is triggered through rotation of the lead screw 21, so that the retraction and release of the telescopic supports 7 and the distance between a plurality of chalk bodies 11 are adjusted, the normative drawing of four ruled lines is guaranteed, a rotating handle 22 is rotatably connected to one side of the scribing bottom plate 4, the rotating handle 22 is fixedly connected with the lead screw 21, and manual control of rotation of the lead screw 21 and extension of the telescopic supports 7 are facilitated, the top of the telescopic support 7 is provided with a scribing top plate 8, the limiting plate 2 is internally provided with a second chute 3, the second chute 3 is internally connected with two second sliding blocks 12 in a sliding manner, the two second sliding blocks 12 are respectively and rotatably connected with two corresponding sides of the top of the telescopic support 7 to limit the telescopic support 7, one side of the telescopic support 7 is rotatably connected with a plurality of equidistant clamps 9, the inside of each clamp 9 is provided with a limiting hole 10, a chalk body 11 is placed in the limiting hole 10, one sides of the limiting plate 2 and the clamps 9 are both in threaded connection with bolts to fix the positions of the chalk body 11 and the limiting plate 2 conveniently, so that the chalk bodies 11 with different lengths can be used simultaneously, one side of the movable ruler 1 is fixedly provided with a fan 13, the inner wall of the movable ruler 1 and the input end positioned on the fan 13 are provided with a dust collecting groove 14, and the inside of the dust collecting groove 14 is provided with a filter screen 15, remove 1 inner wall of chi and be located the bottom of dust collecting tank 14 and seted up a plurality of ventilation holes 16, under the effect of fan 13, the dust that produces when making chalk body 11 use, enter into inside the dust collecting tank 14 through a plurality of ventilation holes 16, intercept by filter screen 15 again, it is inside to avoid the dust to enter into human respiratory track, cause the harm to the human body, pulley 17 is installed to the one end of removing chi 1, remove 1 bottom corresponding both sides of chi and all seted up recess 18, the internally mounted of recess 18 has expanding spring 19, expanding spring 19's spacing wheel of bottom fixedly connected with 20, reduce the friction with the blackboard, be convenient for remove the displacement of chi 1, reserve certain space for the use of chalk body 11 simultaneously.

In conclusion, when the English line marker is used, after a plurality of chalk bodies 11 are placed in the limiting holes 10 formed in the clamp 9, after equal distances are reserved at one ends of the plurality of chalk bodies 11, the limiting holes 10 on one side of the clamp 9 are rotated to fix the chalk bodies 11, at the moment, the movable ruler 1 is placed on the surface of a blackboard, the pulleys 17 at the bottom of the movable ruler 1 are contacted with the bottom end of the blackboard, the limiting plates 2 on one side of the movable ruler 1 are slid, after the clamp 9 at the bottom of the telescopic bracket 7 is moved to a required height, the rotating handle 22 on one side of the line marking bottom plate 4 is rotated, the screw rod 21 in the line marking bottom plate 4 rotates to drive the two first sliding blocks 6 to move, so that the telescopic bracket 7 is retracted, the distances among the plurality of clamps 9 on one side of the telescopic bracket 7 are controlled, the movable ruler 1 is slid to one side, four grid lines with equal distances can be drawn, the fan 13 in the movable ruler 1 can be started according to requirements, the dust generated when the chalk body 11 is used is sucked into the dust collecting groove 14 through a plurality of vent holes 16 at the bottom of the movable ruler 1, and the dust in the air is intercepted in the dust collecting groove 14 through the filtration of the filter screen 15.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides an english scriber, includes removal chi (1), its characterized in that: remove the top sliding connection of chi (1) and have limiting plate (2), one side fixedly connected with of limiting plate (2) rule bottom plate (4), first spout (5) have been seted up to the inside of rule bottom plate (4), the inside sliding connection of first spout (5) has two first slider (6), two the top of first slider (6) is rotated and is connected with telescopic bracket (7), line roof (8) are installed at the top of telescopic bracket (7), one side of telescopic bracket (7) is rotated and is connected with anchor clamps (9) of a plurality of equidistance, spacing hole (10) have been seted up to the inside of anchor clamps (9), chalk body (11) have been placed to the inside in spacing hole (10).

2. The english line striper of claim 1, wherein: one side of the movable ruler (1) is fixedly provided with a fan (13), the inner wall of the movable ruler (1) and the input end positioned on the fan (13) are provided with a dust collecting groove (14), the inside of the dust collecting groove (14) is provided with a filter screen (15), and the inner wall of the movable ruler (1) and the bottom positioned on the dust collecting groove (14) are provided with a plurality of ventilation holes (16).

3. The english line striper of claim 1, wherein: remove the one end of chi (1) and install pulley (17), remove the both sides that the corresponding bottom of chi (1) all seted up recess (18), the internally mounted of recess (18) has expanding spring (19), the bottom fixedly connected with spacing wheel (20) of expanding spring (19).

4. The english line striper of claim 1, wherein: and bolts are in threaded connection with one sides of the limiting plate (2) and the clamp (9).

5. The english line striper of claim 1, wherein: the inner part of the first sliding groove (5) is rotatably connected with a screw rod (21), and the screw rod (21) penetrates through the two first sliding blocks (6) and is in threaded connection with the two first sliding blocks (6).

6. The english line striper of claim 5 wherein: one side of the scribing bottom plate (4) is rotatably connected with a rotating handle (22), and the rotating handle (22) is fixedly connected with the screw rod (21).

7. The english line striper of claim 5 wherein: the second sliding chute (3) is formed in the limiting plate (2), the two second sliding blocks (12) are connected to the inside of the second sliding chute (3) in a sliding mode, and the two second sliding blocks (12) are respectively connected with two corresponding sides of the top of the telescopic support (7) in a rotating mode.