CN202929887U - Pointer for history teaching - Google Patents
Pointer for history teaching Download PDFInfo
- Publication number
- CN202929887U CN202929887U CN 201220652392 CN201220652392U CN202929887U CN 202929887 U CN202929887 U CN 202929887U CN 201220652392 CN201220652392 CN 201220652392 CN 201220652392 U CN201220652392 U CN 201220652392U CN 202929887 U CN202929887 U CN 202929887U
- Authority
- CN
- China
- Prior art keywords
- pointer
- dead lever
- spring
- fixed bar
- teacher
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Finger-Pressure Massage (AREA)
Abstract
The utility model relates to a teaching auxiliary article field, particularly to a pointer for history teaching. The pointer of the utility model comprises a handheld body, wherein the rear portion of the handheld body is provided with a groove; the handheld body is connected with a hook via a rotating shaft; the central section of the hook is provided with a sucker; the front end of the handheld body is provided with a dead lever; the dead lever is internally provided with a spring; the spring is connected with a long rod; the central section of the dead lever is symmetrically provided with recessed holes; the rear portion of the long rod is provided with a cavity; the upper end and the lower end of the cavity are respectively provided with a fixed ring; the fixed rings are connected via the spring; the fixed rings are clamped in the recessed holes in the dead lever, thereby realizing the fixation of the long rod and the dead lever; and the long rod and the dead lever are made of aluminium alloy. The pointer of the utility model features reasonable and practical structural design, novel and ingenious conception, simple and convenient usage, and simple making process. The pointer can simultaneously realize multiple functions. Moreover, the length of the pointer can be adjusted. Therefore, the teaching efficiency of the teachers can be raised.
Description
Technical field
The utility model relates to teaching assistant product field, relates in particular to a kind of historical teaching teacher's pointer.
Background technology
In teaching process, the teacher often need to use teacher's pointer to assist in the explanation process of explanation work, particularly history course, sometimes needs some word or the special mark of word are explained.Present existing teacher's pointer is a stock of being made by wood, the length of stock is unadjustable, and the teacher's pointer that wood is made easily is damaged after long-time the use, and for the eminence position on teaching projection, the length of teacher's pointer will be used not, and teacher's pointer is the single teaching aid that can only be used in reference to words, function is comparatively single, and chalk etc. need to be placed on other position in addition, need take in addition during use, very inconvenient, reduced teacher's efficiency of teaching.
The utility model content
The utility model is for the prior art above shortcomings, novel a kind of historical teaching teacher's pointer is provided, can place chalk in groove, can directly use when needing to write on blackboard, the setting of spring can increase the use length of teacher's pointer, and can hang on nail in the walls after the teacher's pointer use or directly inhale on blackboard with sucker, and a kind of teaching aid can be realized several functions, make simple, more practical.
The purpose of this utility model is to be achieved through the following technical solutions:
a kind of historical teaching teacher's pointer, comprise grip body, described grip body rear portion is provided with groove, described grip body is connected with hook by rotating shaft, described hook middle part is provided with sucker, described grip body front end is provided with fixed bar, be provided with spring in described fixed bar, described spring is connected with stock, described fixed bar middle part is arranged with pothole, described stock rear portion is provided with cavity, described cavity upper end, the lower end is respectively equipped with set collar, described set collar connects by spring, be stuck in by described set collar and realize the fixing of described stock and described fixed bar in pothole on fixed bar, described stock and described fixed bar are made by aluminium alloy.
Described grip body middle part is provided with rubber sleeve.
The utility model beneficial effect: reasonable in design is practical, and the novelty that is skillfully constructed is easy to use, makes simply, can realize simultaneously several functions, and the length of teacher's pointer can regulate, and increases teacher's efficiency of teaching.
Description of drawings
Fig. 1 is historical teaching described in the utility model teacher's pointer structural representation.
In figure:
The 1-hook; The 2-sucker; The 3-rotating shaft; The 4-groove; The 5-rubber sleeve; The 6-grip body; The 7-spring; The 8-fixed bar; The 9-set collar; The 10-stock.
Embodiment
The below is described in further detail the utility model according to drawings and embodiments:
as shown in Figure 1, a kind of historical teaching teacher's pointer of the present utility model, comprise grip body 6, described grip body 6 rear portions are provided with groove 4, can place chalk in groove 4, the radius of groove 4 and the radius size of chalk adapt, described grip body 6 is connected with hook 1 by rotating shaft 3, can arbitrarily rotate by rotating shaft 3 hooks 1, described hook 1 middle part is provided with sucker 2, sucker 2 is used for teacher's pointer is inhaled at blackboard, described grip body 6 middle parts are provided with rubber sleeve 5, rubber sleeve 5 has certain skidproof effect, described grip body 6 front ends are provided with fixed bar 8, be provided with spring 7 in described fixed bar 8, spring 7 has certain elastic force, described spring 7 is connected with stock 10, effect by spring 7, stock 10 can reach outside fixed bar 8 fully, described fixed bar 8 middle parts are arranged with pothole, described stock 10 rear portions are provided with cavity, described cavity upper end, the lower end is respectively equipped with set collar 9, described set collar 9 connects by spring, be stuck in by set collar 9 and realize the fixing of stock 10 and fixed bar 8 in pothole on fixed bar 8, described stock 10 is made by aluminium alloy with described fixed bar 8, aluminium alloy quality is light, wear-resisting and be difficult for being corroded.
the teacher is when using teacher's pointer, can first chalk be inserted in groove 4, the rubber sleeve 5 that the teacher holds on grip body 6 just can carry out the use of teacher's pointer, if the position for eminence on projector, set collar 9 in available two finger presses potholes, spring between set collar 9 is with compressed, at this moment set collar 9 will stretch in stock 10, stock 10 in fixed bar 8 will be from the interior ejection of fixed bar 8 under the effect of spring 7, increased the use physical length of teacher's pointer, after use, only stock 10 need to be extend in fixed bar 8, set collar 9 on stock 10 will be stuck in the pothole of fixed bar 8 again, realize fixing, at this moment, the length of teacher's pointer is convenient to minimizing to place, teacher's pointer after use can hang on the nail of metope or by sucker 2 and inhales on blackboard by linking up with 1, teacher's pointer can be with using with taking like this, convenient, increase teacher's efficiency of teaching.
Claims (2)
1. historical teaching teacher's pointer, it is characterized in that: comprise grip body, described grip body rear portion is provided with groove, described grip body is connected with hook by rotating shaft, described hook middle part is provided with sucker, described grip body front end is provided with fixed bar, be provided with spring in described fixed bar, described spring is connected with stock, described fixed bar middle part is arranged with pothole, described stock rear portion is provided with cavity, described cavity upper end, the lower end is respectively equipped with set collar, described set collar connects by spring, be stuck in by described set collar and realize the fixing of described stock and described fixed bar in pothole on fixed bar, described stock and described fixed bar are made by aluminium alloy.
2. a kind of historical teaching teacher's pointer as claimed in claim 1, is characterized in that: be provided with rubber sleeve in the middle part of described grip body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220652392 CN202929887U (en) | 2012-12-03 | 2012-12-03 | Pointer for history teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220652392 CN202929887U (en) | 2012-12-03 | 2012-12-03 | Pointer for history teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202929887U true CN202929887U (en) | 2013-05-08 |
Family
ID=48219825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220652392 Expired - Fee Related CN202929887U (en) | 2012-12-03 | 2012-12-03 | Pointer for history teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202929887U (en) |
-
2012
- 2012-12-03 CN CN 201220652392 patent/CN202929887U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204382893U (en) | A kind of Multifunctional Chinese teaching chalk sleeve | |
| CN202929887U (en) | Pointer for history teaching | |
| CN202362969U (en) | Multifunctional teaching rod | |
| CN204024959U (en) | Manual pump | |
| CN202904935U (en) | Multifunctional telescopic pointer | |
| CN202740487U (en) | Novel pediatric sputum suction apparatus | |
| CN201079947Y (en) | Hammerhead with nut wrench | |
| CN205256638U (en) | One hand oar of rowing boat | |
| CN201907293U (en) | Chalk clamping sleeve | |
| CN205130738U (en) | Multipurpose teaching compasses | |
| CN2721415Y (en) | Toy pen container | |
| CN209422041U (en) | A kind of Portable medical foreskin grip shears | |
| CN202288751U (en) | Simple shoulder massaging handle | |
| CN203198549U (en) | Dust-absorbing blackboard brush | |
| CN202601010U (en) | Telescoping pointer with chalk | |
| CN201930211U (en) | Health care hammer for massaging | |
| CN208339530U (en) | A kind of pediatric medicine percussion hammer | |
| CN201356391Y (en) | Handy soup ladle | |
| CN203043338U (en) | Novel radiotherapy marker | |
| CN202805037U (en) | Socket spanner for maintenance of medical apparatus and instruments | |
| CN205292013U (en) | That can stretch out and draw back writes correction handle | |
| CN201422701Y (en) | dual-purpose soup ladle | |
| CN206475080U (en) | A kind of rivet provision for disengagement | |
| CN202276960U (en) | Automatic chalk box | |
| CN202370297U (en) | Novel door handle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20131203 |