CN110748768A - Multimedia teaching display device removes rack - Google Patents
Multimedia teaching display device removes rack Download PDFInfo
- Publication number
- CN110748768A CN110748768A CN201910989593.1A CN201910989593A CN110748768A CN 110748768 A CN110748768 A CN 110748768A CN 201910989593 A CN201910989593 A CN 201910989593A CN 110748768 A CN110748768 A CN 110748768A
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- China
- Prior art keywords
- rod
- fixed frame
- multimedia teaching
- fastening ring
- teaching display
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Links
- 230000000670 limiting effect Effects 0.000 claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 210000003781 tooth socket Anatomy 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 230000008093 supporting effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention relates to the technical field of teaching equipment, and particularly discloses a mobile placing rack for multimedia teaching display equipment, which comprises a fixed frame, a writing board and a telescopic rod, wherein one end of the fixed frame is hinged to one end of the writing board, the other end of the writing board is fixedly provided with a buckle, the other end of the fixed frame is fixedly provided with a fixed head, the back surface of the fixed frame is fixedly connected with the top of the telescopic rod, and the telescopic rod comprises a plurality of groups of outer rods and inner rods which are mutually nested in a sliding manner. Be provided with fastener on the telescopic link, the bottom of telescopic link is rotated and is connected at the top of dwang, and the bottom of dwang is rotated and is connected with the rotation wheel, and the fixed limiting plate that is provided with of bottom lateral wall of telescopic link. The writing board covers the fixed frame, and external force is prevented from damaging the equipment. The writing board writes to be convenient for the teaching reduces the volume of rack. The invention has the advantages that: simple structure, convenient operation, strong applicability, good stability, convenient teaching, small volume and convenient carrying and storage.
Description
Technical Field
The invention relates to the technical field of teaching equipment, in particular to a mobile placing rack for multimedia teaching display equipment.
Background
With the progress of computer technology, the reduction of the construction cost of computer-aided teaching equipment systems including computers and the continuous improvement and enhancement of the functions of auxiliary teaching systems, the computer-aided teaching system plays an increasingly important role in normal teaching activities, so that the teaching activities have more intuition and interest, the strength of teacher lesson preparation is reduced, the understanding difficulty of student learning is reduced through intuition demonstration, and the teaching and learning efficiency is improved. With the development and popularization of computer technology, multimedia computers successfully replace the comprehensive practical position of various teaching media, and the computer technology plays a very important role in the teaching process by applying the multimedia computers and teaching activities by means of multimedia teaching software manufactured in advance. But as a multimedia teaching instead of the traditional teaching way.
Chinese patent (publication No. CN 107945587A, bulletin date: 2018.04.20) discloses a slow descending display for multimedia teaching, which comprises a display frame, a display screen, a jacking mechanism, a support rod, a multimedia teaching equipment table body, an electric push rod and a slow descending device, wherein the upper end of the multimedia teaching equipment table body is provided with a working table top on which a computer is arranged, the slow descending device is arranged in the multimedia teaching equipment table body, the upper part of the slow descending device is connected with the support rod, the top end of the support rod is provided with the display frame, the display screen is embedded and arranged on the front side of the display frame, the support rod is provided with the jacking mechanism, the jacking mechanism is connected with the electric push rod, and the electric push rod is arranged in the multimedia teaching equipment table body; the structure is firm, convenient operation, and the jacking of the display of being convenient for is expanded and is descended and put, and under electric putter's promotion, labour saving and time saving realized slowly falling of display frame and display screen and resets after the teaching, and the descending of the display of being convenient for is put, can not cause the collision and damage its inside device, safe and reliable. The device has the advantages of complex structure, large volume, inconvenient movement and transportation and inconvenient popularization and implementation.
Disclosure of Invention
The invention aims to provide a mobile placing rack for a multimedia teaching display device, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a multimedia teaching display device removes rack, includes fixed frame, clipboard and telescopic link. Fixed frame's one end articulates the one end at the clipboard, and the fixed buckle that is provided with of the other end of clipboard, fixed frame's the fixed head that is provided with of the other end can interconnect through buckle and fixed head to the clipboard covers fixed frame, protects the display device of fixed frame inside, has avoided external force to harm equipment. Can write at the clipboard to be convenient for the teaching, pack up the clipboard and to reduce the volume of rack, the removal and the save of the rack of being convenient for. The back of the fixed frame is fixedly connected with the top of a telescopic rod, and the telescopic rod comprises a plurality of groups of outer rods and inner rods which are mutually nested in a sliding manner. Thereby the length of the telescopic rod can be adjusted.
Be provided with fastener on the telescopic link, can fasten the telescopic link through fastener to can fix the length of telescopic link, with this height of adjusting fixed frame, with the height that satisfies the display, improved the suitability of rack.
The bottom of telescopic link is rotated and is connected at the top of dwang, and the bottom of dwang is rotated and is connected with the rotation wheel, and the dwang can clockwise rotate and coincide with the telescopic link to can pack up the dwang, reduced the volume of rack. The fixed limiting plate that is provided with of bottom lateral wall of telescopic link, the limiting plate has limiting effect to the dwang, dwang anticlockwise rotation, under the effect of limiting plate, the dwang has the supporting role to the telescopic link.
As a further scheme of the invention: the fixing frame is fixedly arranged inside the fixing frame, and the display equipment can be fixed inside the fixing frame through the fixing frame.
As a further scheme of the invention: the fastening device comprises a fastening ring and a sliding cavity, the sliding cavity is formed in the outer rod, the fastening ring is placed in the sliding cavity in a sliding mode, the inner rod penetrates through the fastening ring, one end of the fastening ring is fixedly connected with a button, the button extends out of the outer rod, and the other end of the fastening ring is connected to the side wall of the sliding cavity through spring elasticity. Under the effect of spring, the tight loop removes, and the tight loop card is at the lateral wall of interior pole to make interior pole fix the inside at the outer pole, with this messenger's telescopic link length fixed. The button is pressed to move the fastening ring, the fastening ring is separated from the inner rod, and therefore the inner rod can slide in the outer rod, and the length of the telescopic rod is adjusted.
As a further scheme of the invention: the side wall of the sliding cavity is fixedly provided with a guide rod, and the guide rod penetrates through the spring in a sliding mode and is embedded into the fastening ring in a nesting mode, so that the fastening ring can slide more smoothly and stably.
As a further scheme of the invention: the rotating wheel is provided with a clamping plate which has a braking effect on the rotating wheel, so that the device can be moved and fixed conveniently.
As a further scheme of the invention: the dwang is the outside structure of buckling in bottom to can press from both sides the bottom of dwang in the telescopic link both sides, further reduce the volume of rack.
As a further scheme of the invention: the fixed magnet that is provided with of lateral wall of telescopic link, the inboard fixed iron sheet that is provided with of dwang, the dwang rotate with the telescopic link coincidence when, magnet and iron sheet inter attraction to avoid the dwang to rotate.
As a further scheme of the invention: the fixed skid resistant course that is provided with of inside wall of fastening ring, the setting up of skid resistant course makes the fixed position of interior pole more stable.
As a further scheme of the invention: the inside wall of tighrening ring is fixed and is provided with the insection protrusion, and the tooth's socket has been seted up to the lateral wall of interior pole, and the convex nestification of insection is in the inside of tooth's socket to with the inside of fixing at the outer pole of interior pole, thereby make the length of telescopic link fix.
Compared with the prior art, the invention has the beneficial effects that: can interconnect through buckle and fixed head to the clipboard covers fixed frame, protects the inside display device of fixed frame, has avoided external force to harm equipment. Can write at the clipboard to be convenient for the teaching, pack up the clipboard and to reduce the volume of rack, the removal and the save of the rack of being convenient for. Can fasten the telescopic link through fastener to can fix the length of telescopic link, with this height of adjusting fixed frame, with the height that satisfies the display, improve the applicable ability of rack. The bottom of dwang is rotated and is connected with the rotation wheel, and the dwang can clockwise rotation and with the telescopic link coincidence to can pack up the dwang, reduced the volume of rack. The invention has the advantages that: simple structure, convenient operation, strong applicability, good stability, convenient teaching, small volume and convenient carrying and storage.
Drawings
Fig. 1 is a schematic structural diagram of a mobile rack of a multimedia teaching display device.
Fig. 2 is a schematic front view of a fastening device in a mobile placement frame of a multimedia teaching display device.
Fig. 3 is a schematic top view of a fastening device in a mobile rack of a multimedia teaching display device.
Fig. 4 is a schematic structural diagram of a rotating rod in a mobile rack of a multimedia teaching display device.
In the figure, a fixed frame 1, a clamping plate 2, a telescopic rod 3, a fixed head 4, a fastening device 5, a rotating rod 6, a rotating wheel 7, a fixed frame 8, a writing board 9, a buckle 10, a fastening ring 11, a button 12, a sliding cavity 13, a spring 14, a guide rod 15, an inner rod 16, an outer rod 17, a tooth socket 18, a insection protrusion 19, an iron sheet 20, a magnet 21 and a limiting plate 22.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, the present invention will now be described with reference to the accompanying drawings.
Example 1
Referring to fig. 1-4, a mobile rack for multimedia teaching display equipment includes a fixed frame 1, a writing board 9 and a telescopic rod 3. The fixing frame 8 is fixedly arranged inside the fixing frame 1, and the display device can be fixed inside the fixing frame 1 through the fixing frame 8. The one end of fixed frame 1 articulates there is the one end of clipboard 9, and the other end of clipboard 9 is fixed to be provided with buckle 10, and the other end of fixed frame 1 is fixed to be provided with fixed head 4, can interconnect through buckle 10 and fixed head 4 to clipboard 9 covers fixed frame 1, protects the display device of fixed frame 1 inside, has avoided external force harm equipment. Can write at clipboard 9 to be convenient for the teaching, pack up clipboard 9 and to reduce the volume of rack, the removal and the save of the rack of being convenient for. The back of the fixed frame 1 is fixedly connected with the top of a telescopic rod 3, and the telescopic rod 3 comprises a plurality of groups of outer rods 17 and inner rods 16 which are mutually nested in a sliding manner. So that the length of the telescopic rod 3 can be adjusted.
Be provided with fastener 5 on the telescopic link 3, can fasten telescopic link 3 through fastener 5 to can fix the length of telescopic link 3, with this height of adjusting fixed frame 1, with the height that satisfies the display, improved the adaptability of rack. Fastener 5 includes tight loop 11 and slip chamber 13, and slip chamber 13 has been seted up to the inside of outer pole 17, and the tight loop 11 has been placed in the inside slip of slip chamber 13, and interior pole 16 passes the inside of tight loop 11, and the one end fixedly connected with button 12 of tight loop 11, button 12 stretch out outer pole 17, and the other end of tight loop 11 passes through spring 14 elastic connection at the lateral wall of slip chamber 13. The fastening ring 11 moves under the action of the spring 14, and the fastening ring 11 is clamped on the side wall of the inner rod 16, so that the inner rod 16 is fixed inside the outer rod 17, and the length of the telescopic rod 3 is fixed. The length of the telescopic rod 3 can be adjusted by pushing the button 12 to move the fastening ring 11, and separating the fastening ring 11 from the inner rod 16, so that the inner rod 16 can slide in the outer rod 17. The fixed skid resistant course that is provided with of inside wall of clamping ring 11, the setting on skid resistant course makes interior pole 16's fixed in position more stable. The side wall of the sliding cavity 13 is fixedly provided with a guide rod 15, and the guide rod 15 slides through the spring 14 and is nested in the fastening ring 11, so that the sliding of the fastening ring 11 is smoother and more stable.
The bottom of telescopic link 3 is rotated and is connected at the top of dwang 6, and the bottom of dwang 6 is rotated and is connected with and rotates wheel 7, rotates and is provided with cardboard 2 on the wheel 7, and cardboard 2 has the braking action to the gyro wheel 7 to be convenient for the removal and the fixed of device. The rotating rod 6 can rotate clockwise and coincide with the telescopic rod 3, so that the rotating rod 6 can be retracted, and the volume of the placing rack is reduced. The dwang 6 is the outside structure of buckling in bottom to can press from both sides the bottom of dwang 6 in 3 both sides of telescopic link, further reduce the volume of rack. The fixed magnet 21 that is provided with of lateral wall of telescopic link 3, the inboard of dwang 6 is fixed and is provided with iron sheet 20, and when dwang 6 rotated to coincide with telescopic link 3, magnet 21 and iron sheet 20 inter attraction avoided dwang 6 to rotate. The fixed limiting plate 22 that is provided with of bottom lateral wall of telescopic link 3, limiting plate 22 have a limiting effect to dwang 6, and dwang 6 anticlockwise rotation, under limiting plate 22's effect, dwang 6 has the supporting role to telescopic link 3.
The working principle of the invention is as follows: the display device is fixed inside the fixing frame 1 by a fixing frame 8. Through buckle 10 and fixed head 4 interconnect to cover fixed frame 1, protect the inside display device of fixed frame 1, avoided external force to harm equipment. Writing is performed on the writing board 9, thereby facilitating teaching. The length of the telescopic rod 3 is adjusted by moving the fastening ring 11 by pressing the button 12, and disengaging the fastening ring 11 from the inner rod 16, thereby sliding the inner rod 16 inside the outer rod 17. When the button 12 is released, the fastening ring 11 moves towards one end under the action of the spring 14, the fastening ring 11 is clamped on the side wall of the inner rod 16, so that the inner rod 16 is fixed inside the outer rod 17, and the length of the telescopic rod 3 is fixed. The rotating rod 6 rotates anticlockwise, and under the action of the limiting plate 22, the rotating rod 6 has a supporting effect on the telescopic rod 3. The rotating rod 6 can rotate clockwise and coincide with the telescopic rod 3, so that the rotating rod 6 can be retracted, and the volume of the placing rack is reduced. The carrying and the storage of the placing rack are convenient.
Example 2
On the basis of embodiment 1, the fixed insection protrusion 19 that is provided with of inside wall of fastening ring 11, the tooth's socket 18 has been seted up to the lateral wall of interior pole 16, and the nestification of insection protrusion 19 is in the inside of tooth's socket 18 to with interior pole 16 fix in the inside of outer pole 17, thereby make the length of telescopic link 3 fix.
The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. A mobile placement frame for multimedia teaching display equipment comprises a fixed frame (1), a writing board (9) and a telescopic rod (3), wherein one end of the fixed frame (1) is hinged to one end of the writing board (9), a buckle (10) is fixedly arranged at the other end of the writing board (9), and a fixed head (4) is fixedly arranged at the other end of the fixed frame (1), and is characterized in that the back of the fixed frame (1) is fixedly connected with the top of the telescopic rod (3), and the telescopic rod (3) comprises a plurality of groups of outer rods (17) and inner rods (16) which are mutually slidably nested; be provided with fastener (5) on telescopic link (3), the bottom of telescopic link (3) is rotated and is connected at the top of dwang (6), and the bottom of dwang (6) is rotated and is connected with and rotates wheel (7), and the fixed limiting plate (22) that is provided with of bottom lateral wall of telescopic link (3).
2. A mobile placement frame for multimedia teaching display equipment according to claim 1, characterized in that the inside of the fixed frame (1) is fixedly provided with a fixed frame (8).
3. The mobile placement rack for the multimedia teaching display equipment according to claim 1 or 2, wherein the fastening device (5) comprises a fastening ring (11) and a sliding cavity (13), the sliding cavity (13) is formed in the outer rod (17), the fastening ring (11) is placed in the sliding cavity (13) in a sliding mode, the inner rod (16) penetrates through the fastening ring (11), a button (12) is fixedly connected to one end of the fastening ring (11), the button (12) extends out of the outer rod (17), and the other end of the fastening ring (11) is elastically connected to the side wall of the sliding cavity (13) through a spring (14).
4. A mobile placement frame for multimedia teaching display equipment according to claim 3, characterized in that a guide rod (15) is fixedly arranged on the side wall of the sliding cavity (13), and the guide rod (15) slides through the spring (14) and is nested inside the fastening ring (11).
5. A mobile placement frame for multimedia teaching display equipment according to claim 1, characterized in that the rotating wheel (7) is provided with a clamping plate (2).
6. The mobile placement frame for the multimedia teaching display equipment according to claim 1, wherein the rotating rod (6) is of a structure with a bottom bent outwards.
7. The mobile placement frame for the multimedia teaching display equipment according to claim 1, wherein the side wall of the telescopic rod (3) is fixedly provided with a magnet (21), and the inner side of the rotating rod (6) is fixedly provided with an iron sheet (20).
8. The mobile placement frame for the multimedia teaching display equipment according to claim 3, wherein an anti-slip layer is fixedly arranged on the inner side wall of the fastening ring (11).
9. The mobile placement frame for the multimedia teaching display equipment according to claim 3, wherein the inner side wall of the fastening ring (11) is fixedly provided with a insection protrusion (19), the side wall of the inner rod (16) is provided with a tooth socket (18), and the insection protrusion (19) is nested inside the tooth socket (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910989593.1A CN110748768A (en) | 2019-10-17 | 2019-10-17 | Multimedia teaching display device removes rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910989593.1A CN110748768A (en) | 2019-10-17 | 2019-10-17 | Multimedia teaching display device removes rack |
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| CN110748768A true CN110748768A (en) | 2020-02-04 |
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| CN201910989593.1A Pending CN110748768A (en) | 2019-10-17 | 2019-10-17 | Multimedia teaching display device removes rack |
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