CN203543434U - Auxiliary device for teaching - Google Patents
Auxiliary device for teaching Download PDFInfo
- Publication number
- CN203543434U CN203543434U CN201320659407.6U CN201320659407U CN203543434U CN 203543434 U CN203543434 U CN 203543434U CN 201320659407 U CN201320659407 U CN 201320659407U CN 203543434 U CN203543434 U CN 203543434U
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- sleeve
- shaped
- fan
- sleeves
- cross
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Abstract
The utility model discloses an auxiliary device for teaching. The auxiliary device comprises a fan-shaped body and a cross-shaped chalk clamp, and is characterized in that the fan-shaped body comprises two fan-shaped plates and an arc-shaped plate arranged between the two fan-shaped plates, a rotating shaft is arranged at the central points of the two fan-shaped plates, the fan-shaped body is internally and movably connected with the cross-shaped chalk clamp through the rotating shaft, the cross-shaped chalk clamp comprises a rotating ring and sleeves, the periphery of the rotating ring is provided with four sleeves in a divergency shape, the included angle between the adjacent sleeves is 90 degrees, each sleeve is a hollow cylinder with the head end being opened, one side of each sleeve is provided with a chute, a push button is arranged inside each chute, and the push buttons are connected with push rods in the sleeves. The direct contact between hand skin of a teacher and chalks is avoided, so that the harm of dust to the body of the teacher is reduced, and in addition, chalks with different colors are inserted into different sleeves, so that switched use is facilitated, and the classroom teaching efficiency is improved.
Description
Technical field
The utility model relates to teaching aid technical field, relates in particular to a kind of teaching servicing unit.
Background technology
Chalk is a kind of teaching aid of writing on blackboard that teacher commonly uses, and it is to be made with land plaster doping binding agent, leaves the dust marking come Display of Chinese characters, letter or diagram by friction on blackboard.Because dust has stronger adsorption capacity, hand and chalk Long contact time, usually make the full hand to be all dust, slightly do not note, will be bonded on clothes, not only bad for teacher's physical and mental health, and cleans also pretty troublesome.In addition, in order to strengthen student memory and outstanding focal points, teacher often can use the chalk of different colours, but relatively wastes time when changing chalk, and a hand takes many chalks inconvenient again, has had a strong impact on classroom teaching efficiency.
Utility model content
The purpose of this utility model is the deficiency existing for prior art, and a kind of teaching servicing unit of avoiding hand directly to contact and can insert simultaneously different colours chalk with chalk is provided.
The purpose of this utility model is achieved through the following technical solutions: a kind of teaching servicing unit, comprise segment and cross chalk folder, described segment comprises two fanning strips and an arc, the central angle of described fanning strip is 330 °, between two fanning strips, be provided with arc, the central spot of described fanning strip is provided with rotating shaft, and described segment front is provided with time display and fragrance box, and the segment back side is provided with temperature indicator; In described segment, by rotating shaft, be connected with cross chalk folder, described cross chalk folder comprises rotating ring and sleeve, surrounding's divergent shape of described rotating ring is distributed with four sleeves, angle between adjacent sleeve is 90 °, and described sleeve all arranges at grade, the hollow circular cylinder of end opening headed by sleeve, in sleeve, be plugged with chalk, sleeve one side is provided with chute, is provided with push button in chute, and push button is connected with the push rod in sleeve.
The beneficial effects of the utility model are: the utility model is simple in structure, reasonable in design, easy to use, avoided teacher's hand skin directly to contact with chalk, reduced the harm of dust to teacher's health, in different sleeves, insert the chalk of different colours, be convenient to switch and use, time saving and energy saving, improved classroom teaching efficiency.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model specific embodiment;
Fig. 2 is the rearview of the utility model specific embodiment;
Fig. 3 is the structural representation of the utility model specific embodiment segment;
Fig. 4 is the structural representation of the utility model specific embodiment sleeve;
Wherein, 1-segment; 2-cross chalk folder; 3-fanning strip; 4-arc; 5-rotating shaft; 6-time display; 7-fragrance box; 8-temperature indicator; 9-rotating ring; 10-sleeve; 11-chalk; 12-chute; 13-push button; 14-push rod.
The specific embodiment
For clearly demonstrating the technical characterstic of this programme, below by a specific embodiment, and in conjunction with its accompanying drawing, this programme is set forth.
By accompanying drawing, can find out, the one teaching servicing unit of this programme, comprise segment 1 and cross chalk folder 2, described segment 1 comprises two fanning strips 3 and an arc 4, the central angle of described fanning strip 3 is 330 °, between two fanning strips 3, is provided with arc 4, and the central spot of described fanning strip 3 is provided with rotating shaft 5, described segment 1 front is provided with time display 6 and fragrance box 7, and segment 1 back side is provided with temperature indicator 8; In described segment 1, by rotating shaft 5, be connected with cross chalk folder 2, described cross chalk folder 2 comprises rotating ring 9 and sleeve 10, surrounding's divergent shape of described rotating ring 9 is distributed with four sleeves 10, angle between adjacent sleeve 10 is 90 °, described sleeve 10 all arranges at grade, the hollow circular cylinder of end opening headed by sleeve 10, in sleeve 10, be plugged with chalk 11, sleeve 10 1 sides are provided with chute 12, in chute 12, be provided with push button 13, push button 13 is connected with the push rod 14 in sleeve 10.
The utility model is simple in structure, reasonable in design, easy to use, avoided teacher's hand skin directly to contact with chalk, reduced the harm of dust to teacher's health, the chalk of the different interior insertion different colours of sleeve 10, is convenient to switch and uses, time saving and energy saving, improved classroom teaching efficiency, time display 6 can displaying time, temperature indicator 8 displays temperatures, and fragrance box 7 has the effect that produces refreshing effect to the mind, lessens fatigue.
Disclosed is above only a preferred embodiment of the present utility model; but be not limited to the utility model; all within spirit of the present utility model and principle; the modification done, polish, be equal to replacement etc.; within all should being included in protection domain of the present utility model; in addition, the utility model does not describe part in detail, is those skilled in the art of the present technique's known technology.
Claims (1)
1. a teaching servicing unit, comprise segment (1) and cross chalk folder (2), it is characterized in that: described segment (1) comprises two fanning strips (3) and an arc (4), the central angle of described fanning strip (3) is 330 °, between two fanning strips (3), be provided with arc (4), the central spot of described fanning strip (3) is provided with rotating shaft (5), described segment (1) front is provided with time display (6) and fragrance box (7), segment (1) back side is provided with temperature indicator (8), in described segment (1), by rotating shaft (5), be connected with cross chalk folder (2), described cross chalk folder (2) comprises rotating ring (9) and sleeve (10), surrounding's divergent shape of described rotating ring (9) is distributed with four sleeves (10), angle between adjacent sleeve (10) is 90 °, described sleeve (10) all arranges at grade, the hollow circular cylinder of end opening headed by sleeve (10), in sleeve (10), be plugged with chalk (11), sleeve (10) one sides are provided with chute (12), in chute (12), be provided with push button (13), push button (13) is connected with the push rod (14) in sleeve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320659407.6U CN203543434U (en) | 2013-10-25 | 2013-10-25 | Auxiliary device for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320659407.6U CN203543434U (en) | 2013-10-25 | 2013-10-25 | Auxiliary device for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203543434U true CN203543434U (en) | 2014-04-16 |
Family
ID=50461598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320659407.6U Expired - Fee Related CN203543434U (en) | 2013-10-25 | 2013-10-25 | Auxiliary device for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203543434U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102591263B1 (en) * | 2022-12-28 | 2023-10-19 | 주식회사 정우엔지니어링 | Crack marking device for safety inspection and diagnosis |
-
2013
- 2013-10-25 CN CN201320659407.6U patent/CN203543434U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102591263B1 (en) * | 2022-12-28 | 2023-10-19 | 주식회사 정우엔지니어링 | Crack marking device for safety inspection and diagnosis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20141025 |
|
| EXPY | Termination of patent right or utility model |