CN208381682U - Projection arrangement is used in a kind of careers guidance teaching - Google Patents
Projection arrangement is used in a kind of careers guidance teaching Download PDFInfo
- Publication number
- CN208381682U CN208381682U CN201821090854.3U CN201821090854U CN208381682U CN 208381682 U CN208381682 U CN 208381682U CN 201821090854 U CN201821090854 U CN 201821090854U CN 208381682 U CN208381682 U CN 208381682U
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- Prior art keywords
- fixed link
- mounting rack
- projector
- gear
- gear disk
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Abstract
The utility model discloses a kind of careers guidance teaching projection arrangements, including projector and mounting rack, the projector is mounted on one end of mounting rack, the side of the projector is provided with the curtain that can receive formula, the mounting rack is fixedly connected with shaft far from one end of projector, the mounting rack is rotatably connected to fixed link by shaft, one end of the shaft is fixedly connected with first gear disk, the first positioning hole and second location hole are plugged with positioning pin, the first gear disk is rotatably connected to second gear disk, connecting shaft is fixedly connected in the middle part of the second gear disk, the connecting shaft and fixed link are rotatablely connected, the fixed link bottom end is rotatably connected to fixed station, the fixed station basal sliding is connected with two parallel T-shaped slide rails, the fixed station bottom is equipped with motor, the rack gear is parallel to T-shaped slide rail setting.The utility model is convenient and practical, can easily adjust the viewing visual angle of projection, reduces the viewing angle of depression of lecture theater heel row eminence classmate.
Description
Technical field
The utility model relates to careers guidance teaching projection arrangement technical field, specially a kind of careers guidance teaching is used
Projection arrangement.
Background technique
With the continuous renewal of teaching method, the teacher of the usual teaching of the course as employment counsel class is in face of upper
Hundred people teach, so usually imparting knowledge to students at bigger lecture theater, this lecture theater is usually successively to increase backward
Height distribution, to guarantee that the same of heel row can not learn to block sight by front-seat classmate, due to the limitation in place of imparting knowledge to students, when teacher will be standby
When good course is using on projector to curtain, in the prior art, curtain generally againsts wall and is arranged in blackboard side,
Blackboard can have been sheltered from, the usable floor area of blackboard is reduced, more inclined classmate can not be got well in viewing in position
Viewing visual angle, and the higher classmate that sits in the back row just has the biggish angle of depression and watches, viewing visual angle is relatively felt bad, and is given in this way
Teaching is brought much just, is also unfavorable for imparting knowledge to students, is unfavorable for the study of student, and long-term overlook is watched and can relatively be tired out, and serious person holds
It is also easy to produce cervical spondylosis.
Summary of the invention
The purpose of this utility model is to provide a kind of careers guidance teaching projection arrangements, to solve above-mentioned background technique
, heel row eminence classmate need the biggish angle of depression watch the problem of more inclined to the viewing visual angle of projection of middle proposition.
To achieve the above object, the utility model provides the following technical solutions: a kind of careers guidance teaching projection arrangement,
Including projector and mounting rack, the mounting rack is L-type structure, and the projector is mounted on one end of mounting rack, the projection
The side of instrument is provided with the curtain that can receive formula, and the curtain is fixedly connected with mounting rack, the both ends of curtain bottom fixed link
Card slot is offered, Collapsible connecting rod is rotatably connected at the top of the curtain, the Collapsible connecting rod bottom is plugged on card
In slot, the mounting rack is fixedly connected with shaft far from one end of projector, and the mounting rack is rotatably connected to solid by shaft
Fixed pole, one end of the shaft are fixedly connected with first gear disk, and the first gear disk offers first be distributed in a ring
Location hole, the side wall of the fixed link offer second location hole corresponding with first positioning hole, the first positioning hole with
Second location hole is plugged with positioning pin, and the first gear disk is rotatably connected to second gear disk, the second gear disk middle part
It is fixedly connected with connecting shaft, the connecting shaft and fixed link are rotatablely connected, and the one end of the connecting shaft far from fixed link is fixed to be connected
It is connected to crank, the fixed link bottom end is rotatably connected to fixed station, and the fixed station basal sliding is connected with two parallel T-types
Sliding rail, the fixed station bottom are equipped with motor, and the output end of the motor is fixedly connected with third toothed disc, the third tooth
Wheel disc is rotatably connected to rack gear, and the rack gear is parallel to T-shaped slide rail setting.
Preferably, the bottom of fixed is T-type structure.
Preferably, the first gear disk, which is engaged with second gear disk by gear, is rotatablely connected, the third tooth
Wheel disc is engaged by gear with rack gear and is rotatablely connected.
Preferably, middle part of the fixed station far from projector one end is arranged in the fixed link.
Preferably, the mounting rack and Collapsible connecting rod are by lightweight and the high material of intensity is made, and the material is aluminium
Alloy material.
Preferably, the T-shaped slide rail is parallel to blackboard setting.
Preferably, the Collapsible connecting rod is two-part, and middle part is rotatablely connected by shaft, and Collapsible connecting rod turns
Dynamic place is provided with baffle, and the Collapsible connecting rod top is provided with buckle.
Compared with prior art, the utility model has the beneficial effects that
1, careers guidance teaching projection arrangement is slidably connected with T-shaped slide rail by setting fixed station, can watched
When projection, equipment is slided into the suitable position in classroom along sliding rail, the viewing visual angle for having possessed student, by the way that two T are arranged
Type sliding rail, maintains the stability of the apparatus, and anti-locking apparatus is toppled over.
2, careers guidance teaching projection arrangement can drive third toothed disc to turn by the way that motor is arranged by motor
Dynamic, third toothed disc rotates on rack gear, to make fixed station move along T-shaped slide rail, to reduce the operation of people.
3, careers guidance teaching projection arrangement, is rotatablely connected by setting fixed link and fixed station, can be to curtain
Direction be adjusted, so that student is obtained better viewing visual angle.
4, careers guidance teaching projection arrangement can be by turning by setting first gear disk and second gear disk
Dynamic first gear disk rotates second gear disk, to make fixed link rotate, so that curtain pitch angle is adjusted, after can making
The student for arranging eminence reduces angle of depression viewing.
5, careers guidance teaching projection arrangement, by the way that positioning pin is arranged, after the pitch angle of curtain being regulated,
Positioning pin is inserted into first positioning hole and second location hole, so that mounting rack be fixed.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is that the utility model first gear is faced left view；
Fig. 3 is the utility model curtain right view；
Fig. 4 is the utility model Collapsible connecting rod folded configuration schematic diagram；
Fig. 5 is that the utility model buckles top view；
Fig. 6 is the enlarged drawing in the utility model Fig. 1 at A；
Fig. 7 is the enlarged drawing in the utility model Fig. 1 at B.
In figure: 1 projector, 2 mounting racks, 3 curtains, 31 card slots, 32 Collapsible connecting rods, 321 buckles, 322 baffles, 4 turns
Axis, 5 first gear disks, 6 first positioning holes, 7 positioning pins, 8 cranks, 9 second gear disks, 91 connecting shafts, 10 fixed links, 11 are fixed
Platform, 12 second location holes, 13 T-shaped slide rails, 14 rack gears, 15 third toothed discs, 16 motors.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In this practical description, it should be noted that the orientation of the instructions such as term "vertical", "upper", "lower", "horizontal" or
Person's positional relationship is orientation based on the figure or positional relationship, is merely for convenience of this practical and simplified description of description,
Rather than the device or element of instruction or hint meaning must have a particular orientation, and are constructed and grasped with specific orientation
Make, therefore should not be understood as the limitation practical to this.In addition, " first ", " second ", " third " are used for description purposes only, without
It can be interpreted as indicating or implying relative importance.
In this practical description, it is also necessary to explanation, unless otherwise specific regulation and limitation, term " setting ", " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection, can be mechanical connection, is also possible to be electrically connected, can be and be directly connected to, and be also possible to be connected by intermediary, can
To be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned
Concrete meaning of the term in this is practical.
Fig. 1-6 is please referred to, the utility model provides a kind of technical solution: a kind of careers guidance teaching projection arrangement, packet
Projector 1 and mounting rack 2 are included, the mounting rack 2 is L-type structure, and the projector 1 is mounted on one end of mounting rack 2, described
The side of projector 1 is provided with the curtain 3 that can receive formula, and the curtain 3 is fixedly connected with mounting rack 2, and 3 bottom of curtain is fixed
The both ends of bar offer card slot 31, and the top of the curtain 3 is rotatably connected to Collapsible connecting rod 32, convenient for collecting, the folding
Lap connection bar 32 is two-part, and middle part is rotatablely connected by shaft, is provided with baffle at 32 rotation of Collapsible connecting rod
322, the rotational angle of Collapsible connecting rod 32 is limited, 32 top of Collapsible connecting rod is provided with buckle 321, will be collapsible
32 bottom fold of connecting rod is stuck in buckle 321, and the mounting rack 2 and Collapsible connecting rod 32 are lightweight and the high material of intensity
It is made, and the material is aluminum alloy materials, reduces the whole weight of mounting rack 2, guarantee the stabilization of device, the collapsible connection
32 bottom of bar is plugged in card slot 31, and the mounting rack 2 is fixedly connected with shaft 4, the mounting rack far from one end of projector 1
2 are rotatably connected to fixed link 10 by shaft 4, and middle part of the fixed station 11 far from 1 one end of projector is arranged in the fixed link 10,
10 bottom of fixed link is T-type structure, and one end of the shaft 4 is fixedly connected with first gear disk 5, the first gear disk
5 offer the first positioning hole 6 being distributed in a ring, and the side wall of the fixed link 10 offers corresponding with first positioning hole 6
Second location hole 12, the first positioning hole 6 are plugged with positioning pin 7 with second location hole 12, can be with by the way that positioning pin 7 is arranged
After the pitch angle of curtain 3 is regulated, positioning pin 7 is inserted into first positioning hole 6 and second location hole 12, thus to mounting rack 2
It is fixed, the first gear disk 5 is rotatably connected to second gear disk 9, and the first gear disk 5 and second gear disk 9 are logical
Gear engagement is crossed to be rotatablely connected, it, can be by rotating first gear by setting first gear disk 5 and second gear disk 9
Disk 5 rotates second gear disk 9, so that fixed link 10 be made to rotate, to adjust 3 cloth pitch angle of curtain, can make heel row height
The student at place reduces angle of depression viewing, and connecting shaft 91, the connecting shaft 91 and fixation are fixedly connected in the middle part of the second gear disk 9
Bar 10 is rotatablely connected, and the connecting shaft 91 is fixedly connected with crank 8 far from one end of fixed link 10, and 10 bottom end of fixed link turns
It is dynamic to be connected with fixed station 11, it is rotatablely connected, the direction of curtain 3 can be adjusted by setting fixed link 10 and fixed station 11
Section makes student obtain better viewing visual angle, and 11 basal sliding of fixed station is connected with two parallel T-shaped slide rails 13, leads to
It crosses setting fixed station 11 to be slidably connected with T-shaped slide rail 13, equipment can be slided into religion along T-shaped slide rail 13 when watching projection
The suitable position of room, the viewing visual angle for having possessed student maintain the stability of the apparatus, prevent by the way that two T-shaped slide rails 13 are arranged
Locking apparatus is toppled over, and the T-shaped slide rail 13 is parallel to blackboard setting, and 11 bottom of fixed station is equipped with motor 16, the motor
16 output end is fixedly connected with third toothed disc 15, and the third toothed disc 15 is rotatably connected to rack gear 14, passes through setting electricity
Machine 16 can drive third toothed disc 15 to rotate by motor 16, and third toothed disc 15 rotates on rack gear 14, to make to fix
Platform 11 is moved along T-shaped slide rail 13, to reduce the operation of people, the third toothed disc 15 engages progress by gear with rack gear 14
Rotation connection, the rack gear 14 are parallel to T-shaped slide rail setting.
Working principle: when in use, the rotation of 16 output end of motor drives third toothed disc 15 to move along rack gear 14, makes solid
Determine platform 11 to move along T-shaped slide rail 13, projection arrangement is moved to classroom middle position, the viewing view for having possessed two sides classmate
The bottom of Collapsible connecting rod 32 is taken out out of buckle 321, turns folding formula connecting rod 32 for bottom and be inserted in card slot 31 by angle
Interior, projection screen 3 is fixed, and shaking crank 8 rotates second gear disk 9, and the rotation of second gear disk 9 drives first gear disk 5
Rotation, to adjust the pitch angle of mounting rack 2, keeps the classmate of lecture theater heel row eminence better so that mounting rack 2 be made to rotate
Viewing projection is fixed mounting rack 2 by positioning pin 7 in first positioning hole 6 and second location hole 12, and operation is completed.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of careers guidance teaching projection arrangement, including projector (1) and mounting rack (2), it is characterised in that: the peace
Shelving (2) is L-type structure, and the projector (1) is mounted on one end of mounting rack (2), the side setting of the projector (1)
There is the curtain (3) that can receive formula, the curtain (3) is fixedly connected with mounting rack (2), the both ends of curtain (3) bottom fixed link
It offers card slot (31), is rotatably connected to Collapsible connecting rod (32), the Collapsible connecting rod at the top of the curtain (3)
(32) bottom is plugged in card slot (31), and the mounting rack (2) is fixedly connected with shaft (4), institute far from the one end of projector (1)
It states mounting rack (2) to be rotatably connected to fixed link (10) by shaft (4), one end of the shaft (4) is fixedly connected with the first tooth
Wheel disc (5), the first gear disk (5) offer the first positioning hole (6) being distributed in a ring, the side wall of the fixed link (10)
Offer second location hole (12) corresponding with first positioning hole (6), the first positioning hole (6) and second location hole (12)
It is plugged with positioning pin (7), the first gear disk (5) is rotatably connected to second gear disk (9), in the second gear disk (9)
Portion is fixedly connected with connecting shaft (91), and the connecting shaft (91) and fixed link (10) are rotatablely connected, and the connecting shaft (91) is separate
One end of fixed link (10) is fixedly connected with crank (8), and fixed link (10) bottom end is rotatably connected to fixed station (11), described
Fixed station (11) basal sliding is connected with two parallel T-shaped slide rails (13), and fixed station (11) bottom is equipped with motor
(16), the output end of the motor (16) is fixedly connected with third toothed disc (15), third toothed disc (15) rotation connection
Have rack gear (14), the rack gear (14) is parallel to T-shaped slide rail setting.
2. a kind of careers guidance teaching projection arrangement according to claim 1, it is characterised in that: the fixed link (10)
Bottom is T-type structure.
3. a kind of careers guidance teaching projection arrangement according to claim 1, it is characterised in that: the first gear disk
(5) it is engaged and is rotatablely connected by gear with second gear disk (9), the third toothed disc (15) and rack gear (14) pass through tooth
Wheel engagement is rotatablely connected.
4. a kind of careers guidance teaching projection arrangement according to claim 1, it is characterised in that: the fixed link (10)
Middle part in fixed station (11) far from projector (1) one end is set.
5. a kind of careers guidance teaching projection arrangement according to claim 1, it is characterised in that: the mounting rack (2)
With Collapsible connecting rod (32) by lightweight and the high material of intensity is made, and the material is aluminum alloy materials.
6. a kind of careers guidance teaching projection arrangement according to claim 1, it is characterised in that: the T-shaped slide rail
(13) it is parallel to blackboard setting.
7. a kind of careers guidance teaching projection arrangement according to claim 1, it is characterised in that: the collapsible connection
Bar (32) is two-part, and middle part is rotatablely connected by shaft, is provided with baffle at Collapsible connecting rod (32) rotation
(322), Collapsible connecting rod (32) top is provided with buckle (321).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821090854.3U CN208381682U (en) | 2018-07-11 | 2018-07-11 | Projection arrangement is used in a kind of careers guidance teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821090854.3U CN208381682U (en) | 2018-07-11 | 2018-07-11 | Projection arrangement is used in a kind of careers guidance teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208381682U true CN208381682U (en) | 2019-01-15 |
Family
ID=64963731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821090854.3U Expired - Fee Related CN208381682U (en) | 2018-07-11 | 2018-07-11 | Projection arrangement is used in a kind of careers guidance teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208381682U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111489594A (en) * | 2020-05-09 | 2020-08-04 | 兰州石化职业技术学院 | Man-machine interaction platform |
| CN111677992A (en) * | 2020-06-16 | 2020-09-18 | 宁波爵盛科技有限公司 | High altitude supervisory equipment of protection camera and convenient maintenance |
-
2018
- 2018-07-11 CN CN201821090854.3U patent/CN208381682U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111489594A (en) * | 2020-05-09 | 2020-08-04 | 兰州石化职业技术学院 | Man-machine interaction platform |
| CN111489594B (en) * | 2020-05-09 | 2022-02-18 | 兰州石化职业技术学院 | Man-machine interaction platform |
| CN111677992A (en) * | 2020-06-16 | 2020-09-18 | 宁波爵盛科技有限公司 | High altitude supervisory equipment of protection camera and convenient maintenance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190115 Termination date: 20190711 |