CN202917048U - Electronic pointer - Google Patents
Electronic pointer Download PDFInfo
- Publication number
- CN202917048U CN202917048U CN 201220589852 CN201220589852U CN202917048U CN 202917048 U CN202917048 U CN 202917048U CN 201220589852 CN201220589852 CN 201220589852 CN 201220589852 U CN201220589852 U CN 201220589852U CN 202917048 U CN202917048 U CN 202917048U
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- CN
- China
- Prior art keywords
- electric conductor
- whip
- infrared diode
- pointer
- electronic 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses an electronic pointer, comprising a pointer rod and a pointer head, wherein the pointer rod comprises a rod body and a lead in the rod body; the pointer head comprises an infrared diode; an anode of the infrared diode is in electric connection with the lead and a cathode of the infrared diode and the rod body are in a normal open state. When the pointer head is inclined relative to the pointer rod, the cathode of the infrared diode is in electric connection with the rod body. The electronic pointer has a simple structure, is solid and durable and is convenient to operate and easy to maintain.
Description
Technical field
The utility model relates to a kind of electronic instruction apparatus, particularly relates to a kind of and the matching used electronic teacher pointer of electronic whiteboard.
Background technology
The employed electronic teacher pointer of existing infrared optics formula electronic whiteboard is broadly divided into following two classes:
1, the fixed electronic teacher pointer of teacher's pointer head oncontacting control mechanism, this type of electronic teacher pointer with in need armrest to refer to press to be positioned at a switch on the teacher's pointer handle to control teacher's pointer head infrared diode pipe power on/off could write and mark at projection screen or the blank of teaching usefulness, this class teacher's pointer in actual use, operating personnel are difficult to control well the power on/off of switch, are easy to cause person's handwriting broken string or person's handwriting continuous when writing.
2, the teacher's pointer head uses the electronic teacher pointer of small-sized push type microswitch, contact the on/off of realizing the infrared diode pipe with projection screen or blank by the push type microswitch mechanism that is installed in the teacher's pointer head and realize writing really sense, although it has solved the problem of writing that fixed teacher's pointer exists, but small-sized push type electronic microswitch has directivity, more invalid operation can appear in actual use, the volume of the small-sized push type microswitch of this class is little in addition, anti-impact force is not good, so that the serviceable life of this class teacher's pointer is very short, for such touch-control mechanism is installed, teacher's pointer mostly is plastic shell and assembles by ultrasonic soldering, as breaks down and can't take maintenance apart.
The utility model content
The utility model provides a kind of electronic teacher pointer, and can solve electronic teacher pointer in the prior art needs that push switch, life-span are short, the problem of inconvenient maintenance.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of electronic teacher pointer is provided, and it comprises:
Whip bar, described whip bar comprise shaft and are located at the interior wire of described shaft; And
The whip head, described whip head comprises infrared diode, and the positive pole of described infrared diode is electrically connected with described wire, and the negative pole of described infrared diode and described shaft are normally open;
Wherein, when the run-off the straight of the relatively described whip bar of described whip head, the negative pole of described infrared diode is electrically connected with described shaft.
According to the utility model one preferred embodiment, described whip head also comprises:
Back-moving spring;
The first electric conductor is connected in the front end of described back-moving spring; And
The second electric conductor is connected in the rear end of described back-moving spring;
The positive pole of described infrared diode is electrically connected with described wire by described the first electric conductor, described back-moving spring and described the second electric conductor successively.
According to the utility model one preferred embodiment, described whip head also comprises:
Back cover is with described shaft interference fit or be threaded;
Mesochite is threaded with described back cover; And
Front wear-resistant protection cap is for the protection of described infrared diode.
According to the utility model one preferred embodiment, described whip head also comprises:
The conductive contact axle sleeve, the front end of described conductive contact axle sleeve and described front wear-resistant protection cap fix, and are connected with the negative electricity of described infrared diode, and the rear end of described conductive contact axle sleeve is located in the described mesochite; And
Reseting interval cushion rubber, described reseting interval cushion rubber are sheathed between described conductive contact axle sleeve and the described mesochite, and described conductive contact axle sleeve and described mesochite are kept normally open.
According to the utility model one preferred embodiment, described whip head also comprises:
The first insulation sleeve, described the first insulation sleeve are sheathed between described conductive contact axle sleeve and described the first electric conductor; And
The second insulation sleeve, described the second insulation sleeve are sheathed between described shaft and described the second electric conductor.
According to the utility model one preferred embodiment, described whip head also comprises conductive metal ring, and described mesochite is provided with stepped hole, and described conducting metal is located in the described stepped hole.
According to the utility model one preferred embodiment, described whip bar also comprises:
The handle connector is with described shaft interference fit or be threaded;
Battery compartment is threaded with described handle connector, is used for the assembling battery; And
Battery cover is threaded with described battery compartment;
Wherein, described battery cover is electrically connected the negative pole of described battery.
According to the utility model one preferred embodiment, described whip bar also comprises the 3rd electric conductor, and described the 3rd electric conductor is electrically connected the positive pole of described battery.
According to the utility model one preferred embodiment, described whip bar also comprises resistance, and described resistance is electrically connected described wire with described the 3rd electric conductor.
According to the utility model one preferred embodiment, described whip bar also comprises the 3rd insulation sleeve, and described the 3rd insulation sleeve is sheathed between described shaft and described the 3rd electric conductor.
The beneficial effects of the utility model are: be different from the situation of prior art, the disclosed electronic teacher pointer of the utility model is simple in structure, sturdy and durable, easy to operate, for ease of maintenaince.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the utility model embodiment, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing, wherein:
Fig. 1 is the perspective view according to the electronic teacher pointer of the utility model one preferred embodiment;
Fig. 2 is the decomposing schematic representation of the electronic teacher pointer shown in Fig. 1;
Fig. 3 is the amplification cross section structure schematic diagram of the front end of the electronic teacher pointer shown in Fig. 1; And
Fig. 4 is the amplification cross section structure schematic diagram of the rear end of the electronic teacher pointer shown in Fig. 1.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
This practicality new embodiment provide a kind of electronic teacher pointer, and it comprises whip bar and whip head, and this whip bar comprises shaft and is located at the interior wire of this shaft; This whip head comprises infrared diode, and the positive pole of this infrared diode is electrically connected with this wire, and the negative pole of this infrared diode and this shaft are normally open; Wherein, when relative this whip bar run-off the straight of this whip head, the negative pole of this infrared diode is electrically connected with this shaft.
Tool originally sees also Fig. 1 and Fig. 2, and wherein, Fig. 1 is the perspective view according to the electronic teacher pointer of the utility model one preferred embodiment, and Fig. 2 is the decomposing schematic representation of the electronic teacher pointer shown in Fig. 1.
As depicted in figs. 1 and 2, the electronic teacher pointer that provides of the new embodiment of this practicality comprises front wear-resistant protection cap 1, conductive metal ring 2, mesochite 3, infrared diode 4, reseting interval cushion rubber (5,6), conductive contact axle sleeve 7, the first insulation sleeve 8, the first electric conductor 9, back-moving spring 10, the second electric conductor 11, the second insulation sleeve 12, back cover 13, shaft 14, wire 15, resistance 16, the 3rd insulation sleeve 17, the 3rd electric conductor 18, handle connector 19, battery compartment 20, battery cover 21, battery 22, lead-in wire 23.
See also Fig. 3 and Fig. 4, wherein, Fig. 3 is the amplification cross section structure schematic diagram of the front end of the electronic teacher pointer shown in Fig. 1, and Fig. 4 is the amplification cross section structure schematic diagram of the rear end of the electronic teacher pointer shown in Fig. 1.
As shown in Figure 3 and Figure 4, front wear-resistant protection cap 1 is positioned at electronic teacher pointer foremost, for the protection of infrared diode 4.
Mesochite 3 is conductive metallic material, and the front end of mesochite 3 is provided with the stepped hole for accommodating conductive metal ring 2, and the rear end of mesochite 3 is threaded with back cover 13.
Reseting interval cushion rubber (5,6) is sheathed on the conductive contact axle sleeve 7, and this conductive contact axle sleeve 7 and mesochite 3 and conductive metal ring 2 are kept normally open.In a preferred embodiment, conductive contact axle sleeve 7 is provided with groove, and reseting interval cushion rubber (5,6) is placed on the groove.Wherein, shape and the number of reseting interval cushion rubber (5,6) are not construed as limiting.
The front end of conductive contact axle sleeve 7 and front wear-resistant protection cap 1 fix; in specific embodiment; the front end of conductive contact axle sleeve 7 can arrange external thread, and this front wear-resistant protection cap 1 can arrange the internal thread of coupling, and the front end of this conductive contact axle sleeve 7 is threaded with wear-resistant protection cap 1 before this.Perhaps, the front end of conductive contact axle sleeve 7 can adopt and well known to a person skilled in the art that the mode and the front wear-resistant protection cap 1 that are fixed fix.The rear end of conductive contact axle sleeve 7 is located in the mesochite 3, and wherein, the rear end of conductive contact axle sleeve 7 and mesochite 3 interior conducting elements all keep normally open.
The first insulation sleeve 8 is inserted in the endoporus of conductive contact axle sleeve 7 rear ends, the little head end of the first electric conductor 9 is inserted in the first insulation sleeve 8, the front end sleeve of back-moving spring 10 is connected to the stub end of the first electric conductor 9, the rear end of back-moving spring 10 is socketed on the stub end of the second electric conductor 11, the little head end of the second electric conductor 11 is inserted in the second insulation sleeve 12, and the second insulation sleeve 12 is inserted in the endoporus of shaft front end.
Shaft 14 is conductive metallic material, and shaft 14 can be set its length according to actual needs, for example when making electronic teacher pointer, can set shaft 14 and have long length, when making electronic pen, can set shaft 14 and have a shorter length.
The 3rd insulation sleeve 17 is inserted in the endoporus of shaft 14 rear ends, and the little head end of the 3rd electric conductor 18 is inserted in the 3rd insulation sleeve 17, and the stub end of the 3rd electric conductor 18 stretches into battery compartment 20, is used for connecting the positive pole of battery 22.
By above description, one of ordinary skill in the art will readily recognize that conductive metal ring 2, mesochite 3, back cover 13, shaft 14, handle connector 19, battery compartment 20, battery cover 21 all have been communicated with the negative pole of battery 22, can be considered the negative pole circuit.
The positive pole 41 of infrared diode 4, lead-in wire the 23, first electric conductor 9, back-moving spring 10, the second electric conductor 11, wire 15, resistance 16, the 3rd electric conductor 18, all be communicated with the positive pole of battery 22, can be considered cathode circuit.
It is worth mentioning that; in the utility model; electronic teacher pointer is owing to being provided with reseting interval cushion rubber (5,6) and back-moving spring 10; so that front wear-resistant protection cap 1, infrared diode 4, conductive contact axle sleeve 7 can omni-directional are rotated run-off the straight and reset; when 7 run-off the straight of conductive contact axle sleeve, be electrically connected with conductive metal ring 2, when conductive contact axle sleeve 7 resets and conductive metal ring 2 disconnect.
In sum, one of ordinary skill in the art will readily recognize that the situation that is different from prior art, the disclosed electronic teacher pointer of the utility model is simple in structure, sturdy and durable, easy to operate, for ease of maintenaince.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model instructions and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (10)
1. an electronic teacher pointer is characterized in that, comprising:
Whip bar, described whip bar comprise shaft and are located at the interior wire of described shaft; And
The whip head, described whip head comprises infrared diode, and the positive pole of described infrared diode is electrically connected with described wire, and the negative pole of described infrared diode and described shaft are normally open;
Wherein, when the run-off the straight of the relatively described whip bar of described whip head, the negative pole of described infrared diode is electrically connected with described shaft.
2. electronic teacher pointer according to claim 1 is characterized in that, described whip head also comprises:
Back-moving spring;
The first electric conductor is connected in the front end of described back-moving spring; And
The second electric conductor is connected in the rear end of described back-moving spring;
The positive pole of described infrared diode is electrically connected with described wire by described the first electric conductor, described back-moving spring and described the second electric conductor successively.
3. electronic teacher pointer according to claim 1 is characterized in that, described whip head also comprises:
Back cover is with described shaft interference fit or be threaded;
Mesochite is threaded with described back cover; And
Front wear-resistant protection cap is for the protection of described infrared diode.
4. electronic teacher pointer according to claim 3 is characterized in that, described whip head also comprises:
The conductive contact axle sleeve, the front end of described conductive contact axle sleeve and described front wear-resistant protection cap fix, and are connected with the negative electricity of described infrared diode, and the rear end of described conductive contact axle sleeve is located in the described mesochite; And
Reseting interval cushion rubber, described reseting interval cushion rubber are sheathed between described conductive contact axle sleeve and the described mesochite, and described conductive contact axle sleeve and described mesochite are kept normally open.
5. each described electronic teacher pointer in 4 according to claim 1 is characterized in that, described whip head also comprises:
The first insulation sleeve, described the first insulation sleeve are sheathed between described conductive contact axle sleeve and described the first electric conductor; And
The second insulation sleeve, described the second insulation sleeve are sheathed between described shaft and described the second electric conductor.
6. each described electronic teacher pointer in 4 according to claim 1 is characterized in that, described whip head also comprises conductive metal ring, and described mesochite is provided with stepped hole, and described conducting metal is located in the described stepped hole.
7. each described electronic teacher pointer in 4 according to claim 1 is characterized in that, described whip bar also comprises:
The handle connector is with described shaft interference fit or be threaded;
Battery compartment is threaded with described handle connector, is used for the assembling battery; And
Battery cover is threaded with described battery compartment;
Wherein, described battery cover is electrically connected the negative pole of described battery.
8. each described electronic teacher pointer in 4 according to claim 1 is characterized in that, described whip bar also comprises the 3rd electric conductor, and described the 3rd electric conductor is electrically connected the positive pole of described battery.
9. each described electronic teacher pointer in 4 according to claim 1 is characterized in that, described whip bar also comprises resistance, and described resistance is electrically connected described wire with described the 3rd electric conductor.
10. each described electronic teacher pointer in 4 according to claim 1 is characterized in that, described whip bar also comprises the 3rd insulation sleeve, and described the 3rd insulation sleeve is sheathed between described shaft and described the 3rd electric conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220589852 CN202917048U (en) | 2012-11-09 | 2012-11-09 | Electronic pointer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220589852 CN202917048U (en) | 2012-11-09 | 2012-11-09 | Electronic pointer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202917048U true CN202917048U (en) | 2013-05-01 |
Family
ID=48165337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220589852 Withdrawn - After Issue CN202917048U (en) | 2012-11-09 | 2012-11-09 | Electronic pointer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202917048U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103000064A (en) * | 2012-11-09 | 2013-03-27 | 武汉智图互动光电技术有限责任公司 | Electronic teaching pointer |
-
2012
- 2012-11-09 CN CN 201220589852 patent/CN202917048U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103000064A (en) * | 2012-11-09 | 2013-03-27 | 武汉智图互动光电技术有限责任公司 | Electronic teaching pointer |
| CN103000064B (en) * | 2012-11-09 | 2015-05-20 | 武汉智图互动光电技术有限责任公司 | Electronic teaching pointer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130501 Effective date of abandoning: 20150520 |
|
| RGAV | Abandon patent right to avoid regrant |