CN201566279U - Chalk sleeve - Google Patents

Abstract

The utility model relates to a chalk sleeve, which comprises a cylindrical sleeve body, wherein a transverse partition board is arranged in the interior of the sleeve body, and the interior of the sleeve body is divided into two isometric cavities by the partition board; elastic sleeves are fixedly connected to the inner walls of the two cavities; a rectangular groove is formed in a position corresponding to the two cavities and on the surface of the sleeve body, one end of the groove is in hub connection with a retractable supporting pole, and a conical head is fixedly connected to the bottom end of a supporting pole; an illuminating bulb is arranged at the bottom end of the other supporting pole; and the bulb is connected in series with a battery and a switch in the interior of the supporting pole. The utility model has the advantages that the structure is simple, the use is convenient, a pen cap and the chalk sleeve are integrated to be a whole, and the chalk sleeve has the lighting function and circle drawing function and can bring more convenience to teachers.

Description

Chalk sleeve

Technical field the utility model relates to a kind of teaching aid, especially a kind of chalk sleeve of being convenient to the instructors use.

When the background technology instructors is write writing on the blackboard, holding chalk writes, hand contacts chalk for a long time, can damage the skin of hand, in order to solve such problem, people have designed chalk sleeve, but existing chalk sleeve function singleness can not satisfy the use needs of instructors, and for example: the existing chalk sleeve and the pen cap are for independently individual, be not integrated in one, be not easy to deposit and carry; In addition, existing chalk sleeve is not easy to instructors and uses at the blackboard upper drawing circle; The pen cap does not have the function of illumination yet, and these all can not satisfy the use needs of instructors.

The summary of the invention the purpose of this utility model is to provide a kind of chalk sleeve, is used to solve existing chalk sleeve function singleness, can not satisfy the problem that instructors is used needs.

The utility model comprises the cylinder body, is provided with lateral partitions in the inside of body, and dividing plate is with big cavitys such as two of the inside of body; In the affixed resilient sleeve of the inwall of two cavitys; Position at surperficial corresponding two cavitys of body is provided with rectangular recess, and connects telescopic strut at an end axle of groove, and at the affixed nose cone in the bottom of a pole; Bottom another pole is provided with lighting bulb, and bulb is connected with battery that is positioned at pole inside and switch.

After adopting said structure, during use, the resilient sleeve of body inwall is convenient to chalk or lettering pen are fixed on body inside, uses to make things convenient for instructors; Instructors is drawn bowlder, chalk can be placed body inside, and nose cone is placed the blackboard surface, is the center of circle with it, and the rotation body can be convenient to instructors at the blackboard upper drawing circle; The lighting bulb of pole bottom is convenient to when insufficient light, and illumination was used when instructors was write.

The utility model has the advantages that: simple in structure, easy to use, the pen cap and chalk sleeve are integrated in one, and the function that has illumination and draw circle, bring greater convenience for the use of instructors.

Description of drawings Fig. 1 is a schematic perspective view of the present utility model.

The specific embodiment comprises cylinder body 1 in the schematic perspective view of chalk sleeve shown in Figure 1, be provided with lateral partitions 2 in the inside of body, and dividing plate is with big cavitys such as two of the inside of body; In the affixed resilient sleeve 3 of the inwall of two cavitys; Position at surperficial corresponding two cavitys of body is provided with rectangular recess 4, and connects telescopic strut 5 at an end axle of groove, and in the bottom of a pole affixed nose cone 6; Be provided with lighting bulb 7 in the bottom of another pole, and bulb is connected with battery that is positioned at pole inside and switch.

Claims (1)

1. a chalk sleeve comprises cylinder body (1), it is characterized in that: be provided with lateral partitions (2) in the inside of body, and dividing plate is with big cavitys such as two of the inside of body; In the affixed resilient sleeve of the inwall of two cavitys (3); Position at surperficial corresponding two cavitys of body is provided with rectangular recess (4), and connects telescopic strut (5) at an end axle of groove, and at the affixed nose cone in the bottom of a pole (6); Be provided with lighting bulb (7) in the bottom of another pole, and bulb is connected with battery that is positioned at pole inside and switch.

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