CN201573416U - Chalk jacket with blackboard eraser - Google Patents

Abstract

The utility model relates to a chalk jacket with a blackboard eraser, comprising a chalk, as well as the chalk jacket and the blackboard eraser, wherein the chalk jacket is arranged at one end of the chalk; and the blackboard eraser is arranged at one end of the chalk jacket. As being provided with the blackboard eraser, the chalk jacket with the blackboard eraser can immediately erase the wrong words on a blackboard; due to being provided with the chalk jacket, the chalk jacket with the blackboard eraser can avoid chalk dust from being stuck on hands of a user; and the chalk jacket with the blackboard eraser has low cost, simple structure, small volume, light weight, and convenient carry, and is easy to popularize and apply.

Description

The chalk sleeve of band blackboard eraser

Technical field

The utility model relates to a kind of chalk sleeve, is specifically related to a kind of chalk sleeve with blackboard eraser.

Background technology

At present, a kind of chalk sleeve of prior art is made up of the pen cap and pen hanging two parts.Have shifting chute on the pen cap, hang tag on one side shifting chute has, pen cap upper end closed, the lower end is the pen clip head.Pen hanging is made up of hanging body and lacing film, and hanging body can move freely in the pen cap.The chalk sleeve of the prior art does not have wiping function, can not wipe the word of wrongly writing at once.

The Chalk cover of another kind of prior art includes the outer pen cap, the interior pen cap, slider and the cap for brush, and outer pen cap inwall has a helical guide groove; Have guide groove always on the interior pen cap vertically; Slider is formed by moving back pen button, pen clip cover and spring, and there is a fixed convex button in the outside of pen clip cover, moves back pen button and spring and is inlaid in the pen clip cover, and pen clip cover lower end is the neck shape and shrinks; In the pen cap, the interior pen cap was contained in the outer pen cap in slider was contained in, and the straight guide groove of the pen cap embedded in the helical guide groove of the outer pen cap in the protruding button on the slider passed.

The shortcoming of the Chalk cover of this prior art is:

1, the Chalk cover complex structure of this prior art, the cost height.

2, the Chalk cover of this prior art can not in time be wiped the word on the blackboard, must be used with blackboard eraser.

Summary of the invention

The purpose of this utility model provides a kind of chalk sleeve with blackboard eraser, and it can prevent that the user from sticking chalk dust on hand, and the available blackboard eraser that is arranged on the chalk sleeve is wiped the word of wrongly writing.

The purpose of the chalk sleeve of the utility model band blackboard eraser is achieved through the following technical solutions: a kind of chalk sleeve with blackboard eraser comprises chalk; Also comprise chalk sleeve and blackboard eraser.

Described chalk sleeve is arranged on an end of chalk.

Described blackboard eraser is arranged on an end of chalk sleeve.

The chalk sleeve of above-mentioned band blackboard eraser, wherein, described chalk sleeve is a hollow cylindrical structures, an end opening of chalk sleeve, end sealing.

The chalk sleeve of above-mentioned band blackboard eraser, wherein, the opening of described chalk sleeve and the cross section of chalk are suitable.

The chalk sleeve of above-mentioned band blackboard eraser, wherein, described blackboard eraser is arranged on the outside of the blind end of chalk sleeve.

The chalk sleeve of above-mentioned band blackboard eraser, wherein, described blackboard eraser is fixedlyed connected with chalk sleeve by screw and nut.

The chalk sleeve of the utility model band blackboard eraser makes it compared with prior art owing to adopted such scheme, has following advantage and good effect:

1, the chalk sleeve of the utility model band blackboard eraser can be wiped the word of wrongly writing on the blackboard immediately owing to be provided with blackboard eraser.

2, the chalk sleeve of the utility model band blackboard eraser can avoid chalk dust to stick the user on hand owing to be provided with chalk sleeve.

3, the chalk sleeve cost of the utility model band blackboard eraser is low, simple in structure, and volume is little, and is in light weight, portable, is easy to popularization and application.

Below; to be described further by specific embodiment; yet embodiment only be the utility model band blackboard eraser the optional embodiment of chalk sleeve for example; its disclosed feature only is used to illustrate and set forth the technical scheme of the chalk sleeve of the utility model band blackboard eraser, and is not used in the protection domain of the chalk sleeve that limits the utility model band blackboard eraser.

Description of drawings

Fig. 1 is the cutaway view of the chalk sleeve of the utility model band blackboard eraser.

The specific embodiment

According to the claim and the disclosed content of summary of the invention of the chalk sleeve of the utility model band blackboard eraser, the technical scheme of the chalk sleeve of the utility model band blackboard eraser is specific as follows described.

See also shown in the accompanying drawing 1, the chalk sleeve of the utility model band blackboard eraser comprises chalk 1, chalk sleeve 2 and blackboard eraser 3; Chalk sleeve 2 is arranged on an end of chalk 1, blackboard eraser 3 is arranged on an end of chalk sleeve 2, chalk sleeve 2 is hollow cylindrical structures, one end opening of chalk sleeve 2, the sealing of one end, the cross section of the opening of chalk sleeve 2 and chalk 1 is suitable, and blackboard eraser 3 is arranged on the outside of the blind end of chalk sleeve 2, and blackboard eraser 3 is fixedlyed connected with chalk sleeve 2 by screw and nut 4.

The using method of the chalk sleeve of the utility model band blackboard eraser is that in the hollow part with chalk 1 insertion chalk sleeve 2, the user holds chalk sleeve 2, can use chalk 1 to write, and after writing wrongly written character, uses the blackboard eraser 3 of chalk sleeve 2 one ends to wipe.

In sum, the chalk sleeve of the utility model band blackboard eraser can be wiped the word of wrongly writing on the blackboard immediately owing to be provided with blackboard eraser; The utility model can avoid chalk dust to stick the user on hand owing to be provided with chalk sleeve; The utility model cost is low, and is simple in structure, and volume is little, in light weight, portable, is easy to popularization and application.

Foregoing is the exemplifying of specific embodiment of the chalk sleeve of the utility model band blackboard eraser, for the wherein not equipment of detailed description and structure, should be understood to take existing common apparatus in this area and universal method to be implemented.

Claims (5)

1. the chalk sleeve with blackboard eraser comprises chalk; It is characterized in that: also comprise chalk sleeve and blackboard eraser;

Described chalk sleeve is arranged on an end of chalk;

Described blackboard eraser is arranged on an end of chalk sleeve.

2. the chalk sleeve of band blackboard eraser according to claim 1 is characterized in that: described chalk sleeve is a hollow cylindrical structures, an end opening of chalk sleeve, end sealing.

3. the chalk sleeve of band blackboard eraser according to claim 1 is characterized in that: the opening of described chalk sleeve and the cross section of chalk are suitable.

4. the chalk sleeve of band blackboard eraser according to claim 1 is characterized in that: described blackboard eraser is arranged on the outside of the blind end of chalk sleeve.

5. the chalk sleeve of band blackboard eraser according to claim 1 is characterized in that: described blackboard eraser is fixedlyed connected with chalk sleeve by screw and nut.

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