CN203623207U - Magnifying lens chalk clamp - Google Patents

Abstract

The utility model discloses a magnifying lens chalk clamp which comprises an outer barrel (1). The magnifying lens chalk clamp is characterized in that one end of the outer barrel (1) is connected to chalk (2), and the other end of the outer barrel (1) is provided with a magnifying lens (3). The chalk and the magnifying lens are combined integrally by adopting a clamp, the problem that the chalk is prone to breaking is solved, waste is reduced, presbyopic glasses do not need to be worn when a class is given, trouble is reduced, and teaching is facilitated.

Description

A kind of magnifying glass chalk clamp

Technical field:

The utility model relates to assistant teaching aid technical field, is a kind of magnifying glass chalk clamp specifically, is specially adapted to the elderly's teaching and uses.

Background technology:

Chalk is mainly when teaching blackboard writing use, but chalk due to the toughness deficiency of himself, on blackboard, easy fracture in writing process, causes waste; For teacher person in middle and old age, due to overage relation, there will be presbyopia phenomenon in addition, upper class hour must be carried presbyopic glasses, cumbersome, has sometimes forgotten and can have influence on teaching.

Utility model content:

The purpose of this utility model is the deficiency that overcomes above-mentioned prior art, and a kind of magnifying glass chalk clamp is provided, and while mainly solving existing chalk-writing, easy fracture causes waste and must carry the problems such as presbyopic glasses are cumbersome when person in middle and old age's class-teaching of teacher.

The technical solution of the utility model: a kind of magnifying glass chalk clamp, it comprises urceolus, its special character is, one end connection chalk of described urceolus, the other end is established magnifying glass, and there is opening the urceolus end being connected with chalk, and urceolus end and chalk closely cooperate; The outer tube inner wall being connected with magnifying glass has internal thread, on the connecting rod of magnifying glass, has external screw thread, and the two matches; Magnifying glass is flexibly connected with connecting rod, and at magnifying glass peripheral hardware mirror cover, mirror cover is fixedly connected with connecting rod, and magnifying glass swings in mirror cover.

Compared with the prior art a kind of magnifying glass chalk clamp described in the utility model has following good effect: adopt fixture that chalk and magnifying glass are integrated, thereby solve the problem of chalk easy fracture, cut the waste, go up class hour and need not be with presbyopic glasses simultaneously, reduce trouble, thus convenient teaching.

Accompanying drawing explanation:

Fig. 1 is structural representation of the present utility model.

The specific embodiment:

For Comprehension and Implementation better, provide specific embodiment below in conjunction with accompanying drawing and describe the utility model in detail; Illustrated embodiment is only for explaining the utility model, not for limiting scope of the present utility model.

Embodiment 1, referring to Fig. 1, is processed into urceolus 1, and there is opening 6 end of urceolus 1, and the other end is processed with internal thread, at urceolus 1 openend, chalk 2 is installed, and the two closely cooperates; There is female end that connecting rod 4 is installed at urceolus 1, internal thread on external screw thread on connecting rod 4 and urceolus 1 matches, the movable magnifying glass 3 of installing on connecting rod 4, magnifying glass 3 can swing on connecting rod 4, at the outer installation mirror cover 5 of magnifying glass 3, mirror cover 5 is fixedly connected with connecting rod 4, and mirror overlaps 5 left and right openings.

A kind of magnifying glass chalk clamp described in the utility model, while giving lessons, is arranged on the openend at urceolus by chalk, opening the open-ended chalk of being convenient to installs, while writing on blackboard, clamp the opening part of urceolus with finger, chalk can be very firm, the chalk exposing when urceolus runs low, cannot write time, turn other end connecting rod with hand, be just easy to chalk to eject, continue to use chalk frangibility not under the protection of urceolus; In the time that needs are read a book; in order to solve the problem that does not see Chu because bringing with presbyopic glasses; by a slightly firmly top of the magnifying glass of the urceolus other end; magnifying glass just shifts out from Jing Taozhong; convenient reading; the used time does not turn back magnifying glass in mirror cover, and the eyeglass of magnifying glass is difficult for making dirty like this, protects well eyeglass.

Claims (1)

1. a magnifying glass chalk clamp, it comprises urceolus (1), it is characterized in that, one end of described urceolus (1) connects chalk (2), the other end is established magnifying glass (3), and there is opening (6) urceolus (1) end being connected with chalk (2), and urceolus (1) end and chalk (2) closely cooperate; Urceolus (1) inwall being connected with magnifying glass (3) has internal thread, on the connecting rod (4) of magnifying glass (3), has external screw thread, and the two matches; Magnifying glass (3) is flexibly connected with connecting rod (4), and at magnifying glass (3) peripheral hardware mirror cover (5), mirror cover (5) is fixedly connected with connecting rod (4), and magnifying glass (3) swings in mirror cover (5).