CN209904364U

CN209904364U - Scriber for English teaching

Info

Publication number: CN209904364U
Application number: CN201920010225.3U
Authority: CN
Inventors: 王晗
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-04
Filing date: 2019-01-04
Publication date: 2020-01-07
Anticipated expiration: 2029-01-04

Abstract

The utility model discloses a scriber is used in english teaching, the upper end left side of main part is equipped with four chalk holes that run through from top to bottom along equidistance such as fore-and-aft direction, and the downthehole chalk of pegging graft of chalk. A guide hole communicated with the chalk hole is formed in the lower side of the left end of the main body, and an elastic clamping mechanism tightly supporting the chalk is installed in the guide hole. When the chalk is used, the pull block is pulled, the chalk can be inserted into the chalk hole, the pull block is loosened, under the action of the spring, a pulling force is given to the pull block, the pull block drives the telescopic column, a force is given to the spurs, the spurs are made to abut against the chalk, the chalk is guaranteed not to slide, in the using process, when the position of the chalk needs to be adjusted, the chalk is placed on a desktop, the pull block, needing to be adjusted, of the chalk is pulled, under the action of gravity, the chalk moves downwards to abut against the desktop, the chalk and other chalks are on the same surface, then the chalk is loosened and clamped again, and the chalk clamp is convenient to use.

Description

Scriber for English teaching

Technical Field

The utility model relates to the convenient field of scriber chalk centre gripping for english teaching, concretely relates to scriber for english teaching.

Background

The four-line strip check often need be drawn on the blackboard in the english teaching, has had the four-line strip check, writes just easier, and the big-small proportion of english letter is also more orderly, and the mr needs the drawing of one on the blackboard with the ruler when drawing the straight line, and the line drawing process is troublesome, wastes time and energy, and the line drawing is inefficient, and the interval between like this is slow and every straight line is also the uniformity of being difficult to control. Consequently, there have been a lot of special english teaching scribers in the market, for example the bulletin number is CN204894902U the utility model discloses an english teaching scriber, including base, marking off board, chalk cover, chalk locking bolt and gyro wheel, the marking off board install the front end at the base, chalk cover vertical setting respectively in the front end of marking off board and extend to the bottom of marking off board, chalk locking bolt set up respectively on the last port of chalk cover and lie in the upper portion of marking off board, the gyro wheel install both ends about the base bottom respectively. In this way, the utility model provides an english teaching scriber, simple structure, convenient to use can make through the gyro wheel and draw more smoothly, can ensure simultaneously through two gyro wheels that the drawing lines keep the level, once only can draw four unanimous four-wire three check of interval, make things convenient for english teaching ", however, its chalk is fixed inconvenient, need multitime rotation, when marking off, because the dynamics is different, the excessive speed of loss a bit, cause the difference in length, need many times of adjustment, it is fixed that adjustment needs multitime rotation at every turn, delay time with regard to comparison.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve lies in the fixed relatively trouble of scriber chalk for english teaching on the market, delays time.

In order to realize the purpose, the utility model provides a technical scheme is: a scriber for English teaching comprises a main body, wherein the main body is in a cuboid shape arranged on the left and right sides, a containing cavity is formed in the right side of the lower end of the main body, rollers are installed in the containing cavity, four chalk holes penetrating through the main body up and down are formed in the left side of the upper end of the main body at equal intervals in the front-back direction, and chalks are inserted in the chalk holes;

a guide hole communicated with the chalk hole is formed in the lower side of the left end of the main body, and an elastic clamping mechanism tightly supporting the chalk is installed in the guide hole.

Preferably, the elastic clamping mechanism comprises a telescopic column which is inserted into the guide hole and extends leftwards, a disc-shaped pulling block is fixed at the left end of the telescopic column, the pulling block is connected with the main body through an elastic component, and a friction part which is abutted against chalk is arranged at the right end of the telescopic column.

Preferably, the elastic component is a spring sleeved on the telescopic column, and the left end and the right end of the spring are respectively fixedly connected with the pull block and the main body.

Preferably, the friction part is a conical spur which is uniformly fixed at the right end of the telescopic column.

Preferably, the front end and the rear end of the main body are both provided with arc-shaped holding grooves.

The utility model relates to a, during the use, the pulling draws the piece, alright in order to insert the chalk downthehole, loosen and draw the piece, under the effect of spring, for drawing a pulling force of piece, draw the piece to drive flexible post, give a power of bur, make it support tight chalk, guarantee that the chalk can not slide, in the use, when needing the adjusting position, put on the desktop, the pulling piece that the pulling needs the adjustment chalk, under the effect of gravity, the chalk moves down, support on the desktop, with other chalks on a face, then loosen, press from both sides tightly once more, it is just more convenient here, as long as one draw can, and is simple and convenient, and operating time has been saved, the better teaching of being convenient for, and is more practical.

Drawings

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

FIG. 2 is a front view of the present invention;

fig. 3 is a bottom view of the present invention;

fig. 4 is a right enlarged view of the connection between the spur and the pull block of the present invention.

In the figure: 1 main part, 11 rollers, 12 chalk holes, 2 guide holes, 21 telescopic columns, 22 pull blocks, 23 springs, 24 spurs and 25 pinching grooves.

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements can be directly connected or indirectly connected through an intermediate medium, and the two elements can be communicated with each other, and the arrangement can mean fixing and also mean fixing of the card in a detachable mode. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, a scriber for english teaching, including main part 1, main part 1 is the cuboid form of controlling the setting, and the lower extreme right side of main part 1 has been seted up and has been held the chamber, hold the intracavity and install gyro wheel 11, be convenient for slide, hold the big a little that the chamber can be seted up here, lighten whole weight, the upper end left side of main part 1 is equipped with four chalk holes 12 that run through from top to bottom along equidistance of fore-and-aft direction, and the interpolation of chalk hole 12 has been connected the chalk, the arc holding groove 25 of holding between the fingers is all seted up to the front and back end of main.

A guide hole 2 communicated with the chalk hole 12 is arranged at the lower side of the left end of the main body 1, an elastic clamping mechanism for tightly propping the chalk is arranged in the guide hole 2, the elastic clamping mechanism comprises a telescopic column 21 which extends leftwards and is inserted in the guide hole 2, and the left end of the telescopic column 21 is fixed with a disc-shaped pulling block 22, the pulling block 22 is connected with the main body 1 through an elastic component, the elastic component gives a pulling force to the pulling block 22 to promote the telescopic column 21 to drive the friction part to tightly press the chalk, the elastic component is a spring 23 sleeved on the telescopic column 21, and the left and right ends of the spring 23 are respectively fixedly connected with the pulling block 22 and the main body 1, the pulling block 22 is tensioned, and the right end of the telescopic column 21 is provided with a friction part which is abutted against the chalk, the friction part increases friction force and tightly abuts against the chalk without sliding, the friction part is a conical protruding spine 24 which is uniformly fixed at the right end of the telescopic column 21, and the protruding spine 24 tightly abuts against the chalk to prevent sliding.

The working principle is as follows: when the chalk is used, the pull block 22 is pulled, so that a chalk can be inserted into the chalk hole 12, the pull block 22 is loosened, under the action of the spring 23, a pulling force is applied to the pull block 22, the pull block 22 drives the telescopic column 21, a force is applied to the bur 24, the chalk is urged to be tightly supported, the chalk is prevented from sliding, in the using process, when the position is required to be adjusted, the pull block 22, needing to be adjusted, is placed on a table top, the chalk is pulled, the chalk moves downwards under the action of gravity, the chalk is abutted to the table top, the chalk is placed on one surface with other chalks, then the chalk is loosened and clamped again, and the chalk clamp is convenient to use.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A scriber for English teaching comprises a main body (1), wherein the main body (1) is in a cuboid shape arranged on the left and right sides, a containing cavity is formed in the right side of the lower end of the main body (1), rollers (11) are installed in the containing cavity, four chalk holes (12) penetrating up and down are formed in the left side of the upper end of the main body (1) at equal intervals in the front-back direction, and chalks are inserted in the chalk holes (12);

the method is characterized in that: a guide hole (2) communicated with the chalk hole (12) is formed in the lower side of the left end of the main body (1), and an elastic clamping mechanism tightly supporting the chalk is installed in the guide hole (2).

2. The English teaching scriber of claim 1, wherein: the elastic clamping mechanism comprises a telescopic column (21) which is inserted into the guide hole (2) and extends leftwards, a disc-shaped pulling block (22) is fixed at the left end of the telescopic column (21), the pulling block (22) is connected with the main body (1) through an elastic component, and a friction part which is abutted against chalk is arranged at the right end of the telescopic column (21).

3. The English teaching scriber of claim 2, wherein: the elastic component is a spring (23) sleeved on the telescopic column (21), and the left end and the right end of the spring (23) are respectively fixedly connected with the pull block (22) and the main body (1).

4. The English teaching scriber of claim 2, wherein: the friction part is a conical spur (24) which is uniformly fixed at the right end of the telescopic column (21).

5. The English teaching scriber of claim 1, wherein: arc-shaped holding grooves (25) are formed in the front end and the rear end of the main body (1).