CN86205819U - Chalk sleeve - Google Patents

Abstract

The utility model discloses a chalk sleeve as teaching appliances, comprising a chalk sleeve (1) and a chalk hook (7). The chalk sleeve (1) is provided with a movable slot (2), and one side of the movable slot (2) is provided with a hook clip (3). The upper end of the chalk sleeve is closed, and the lower end is a chalk clip head (4). The chalk hook (7) comprises a hook body and a hook piece, and the hook body can freely move in the chalk sleeve (1). The utility model has the advantages that the clothes and hands of teachers can not be smeared and the chalk dosage can be saved.

Description

Chalk sleeve

The utility model relates to a kind of teaching aid.

Usually teacher's used chalk of giving a lesson exposes, be easy to make dirty hand and clothes, carry very inconvenient, so teacher is not with chalk; Under the very short situation of chalk, can not write, just it to be lost, the waste of chalk head is bigger.

The utility model provides a kind of chalk sleeve to teachers, prevent from during writing on the blackboard to make dirty hand and clothes, and can save the consumption of chalk.

Structure of the present utility model provides from embodiment and accompanying drawing.

Description of drawings:

The synoptic diagram of Fig. 1 chalk sleeve

Fig. 2 pen hanging synoptic diagram

Structure of the present utility model is made up of the pen cap and pen hanging two parts.

The pen cap (1) surface has shifting chute (2), shifting chute (2) one side have hang tag (3).The one end sealing of the pen cap, an end is chalk chuck (4).Chalk chuck (4) front end has 4-8 piece shell fragment (6), and shell fragment (6) upper end is connected on the same matrix.Chalk chuck (4) and the pen cap (1) be available to be threaded, socket.

Pen hanging (7) is made of hanging body (8) and lacing film (9), and hanging body (8) moves freely in the pen cap, and hanging body (8) enters the pen cap (1) from shifting chute (2) upper end, with the sealing of termination (10) chucking.Chalk enters the pen cap from chalk chuck (4); Along with chalk (11) constantly shortens, hanging body (8) constantly moves down along shifting chute, lacing film (9) is gone into to hang tag partially fixed in (3), can write.

The advantage of chalk sleeve is, can make teacher keep the cleaning of hand and clothes in the teaching process, and can save the chalk consumption.

Claims (2)

1, a kind of teaching aid chalk sleeve, constitute by the pen cap (1), pen hanging (7), hanging body (8), lacing film (9) and pen clip head, it is characterized in that, have shifting chute (2) and hang tag (3) on the pen cap (1), the pen cap (1) upper end closed, pen clip head (4) is positioned at the lower end of the pen cap (1), and pen hanging (7) is made up of lacing film (9) and the hanging body (8) that moves freely in the pen cap (1).

2, chalk sleeve according to claim 1, it is characterized in that pen clip head (4) and the pen cap (1) can be threaded, socket.

Images