CN209471335U - A kind of Computer Major Teaching apparatus for demonstrating - Google Patents
A kind of Computer Major Teaching apparatus for demonstrating Download PDFInfo
- Publication number
- CN209471335U CN209471335U CN201920124024.6U CN201920124024U CN209471335U CN 209471335 U CN209471335 U CN 209471335U CN 201920124024 U CN201920124024 U CN 201920124024U CN 209471335 U CN209471335 U CN 209471335U
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- China
- Prior art keywords
- fixedly connected
- fixture block
- placing groove
- bottom end
- spring
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Abstract
The utility model relates to apparatus for demonstrating technical fields, in particular a kind of Computer Major Teaching apparatus for demonstrating, the storage box left end is fixedly connected with clean box, bull stick is fixedly connected on the inside of the clean box top inner side and bottom end, rubber flap is rotatably connected between two bull sticks, torque spring is fixedly connected on the inside of the bull stick top inner side and bottom end, the other end of the torque spring is fixedly connected with clean box, the clean box rear inside wall is fixedly connected with limited block, the storage box top inner side is fixedly connected with motor, the electric machine main shaft end is fixedly connected with connecting rod, in the utility model, pass through the rubber flap of setting, bull stick, torque spring and gag lever post, it improves device raising device in demonstration and projects to the clarity on curtain, and extend the service life of device, guarantee making for device It is easy to operate with effect, and using very convenient.
Description
Technical field
The utility model relates to apparatus for demonstrating technical field, specially a kind of Computer Major Teaching apparatus for demonstrating.
Background technique
In teaching process, the characteristics of according to instructional objective and teaching object, by Instructional Design, reasonably selects and use
Modern Teaching Medium, and with Traditional teaching means organic assembling, participate in whole course of teaching jointly, with media information function in
Student, forms reasonable teaching process structure, therefore the teaching efficiency for being optimal is used such Computer Major Teaching
The demand of apparatus for demonstrating is growing.
Current Computer Major Teaching most of on the market is to carry out on projector to curtain with apparatus for demonstrating
Demonstration, and traditional Computer Major Teaching apparatus for demonstrating curtain is very easy falls ash, curtain becomes very dirty, it is difficult to it cleans,
The clarity of imaging on curtain is influenced, device lifetime is low, and the folding and unfolding of device is also cumbersome, occupies much room, and receive
It puts inconvenient, therefore, proposes a kind of Computer Major Teaching apparatus for demonstrating regarding to the issue above.
Utility model content
The purpose of this utility model is to provide a kind of Computer Major Teaching apparatus for demonstrating, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides the following technical solutions:
A kind of Computer Major Teaching apparatus for demonstrating, including storage box, the storage box left end are fixedly connected with cleaning
It is fixedly connected to bull stick on the inside of box, the clean box top inner side and bottom end, is rotatably connected to rubber between two bull sticks
Glue scraper plate, is fixedly connected to torque spring on the inside of the bull stick top inner side and bottom end, the other end of the torque spring with
Clean box is fixedly connected, and the clean box rear inside wall is fixedly connected with limited block, and the storage box top inner side is fixed to be connected
It is connected to motor, the electric machine main shaft end is fixedly connected with connecting rod, is fixedly connected with roller, the company on the outside of the connecting rod
Extension bar bottom end and storage box are rotatablely connected, and the storage box bottom end is fixedly connected with bracket, are offered on the left of the cantilever tip
First placing groove, the bracket left side offer the second placing groove, are fixedly connected with the first fixture block, the branch on the right side of the bracket
It is fixedly connected with card pipe on the right side of frame, curtain is fixedly connected on the left of the roller, is fixedly connected with fixed link on the left of the curtain,
It is fixedly connected with third fixture block on the outside of the fixed link, the fixed link bottom end is fixedly connected with the second fixture block, the fixed link
Basolateral is fixedly connected with casing, and described sleeve pipe and card pipe side slidably connect pull rod, and the pull rod side is fixed to be connected
It is connected to ratchet bar, spring is fixedly connected on the left of the ratchet bar, is fixedly connected on the left of the spring with casing left end inner sidewall,
Described sleeve pipe bottom end is fixedly connected with compensation block.
Preferably, it is fixedly connected on the right side of the bracket with card pipe left side, ratchet bar described in first fixture block and right end is sliding
Dynamic connection, second fixture block are slidably connected with ratchet bar described in left end.
Preferably, the motion profile of the third fixture block is linear, and third fixture block is arranged in first placing groove
On motion profile, the third fixture block fits with the first placing groove.
Preferably, first placing groove and the second placing groove are connected, and the motion profile of described sleeve pipe is linear, institute
It states the second placing groove to be arranged on the motion profile of casing, described sleeve pipe is bonded to each other with the second placing groove.
Preferably, the quantity of the pull rod and spring is two, and two pull rods and spring are described at being symmetrical arranged
The circumferential position of pull rod is arranged in spring.
Compared with prior art, the utility model has the beneficial effects that
It 1,, can be in each curtain by the rubber flap of setting, bull stick, torque spring and gag lever post in the utility model
When cloth is extracted out, rubber flap wipes curtain, and it is clear on curtain that raising device raising device in demonstration projects to
Degree, and extend the service life of device, guarantee the using effect of device, and use is very convenient, it is easy to operate.
2, it in the utility model, by the ratchet bar of setting, the second fixture block, fixed link and bracket, can be convenient to device
Expansion and folding and unfolding are carried out, very easily the height of curtain can also be adjusted, facilitate viewing, that improves device uses body
It tests, the operation very simple of expansion and folding and unfolding, and saves space, curtain can also be protected, curtain is avoided to receive damage.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is structural schematic diagram at the A of the utility model Fig. 1；
Fig. 3 is structural schematic diagram at the B of the utility model Fig. 1；
Fig. 4 is the utility model rubber flap mounting structure top view.
In figure: 1- storage box, 2- clean box, 3- bull stick, 4- torque spring, 5- limited block, 6- rubber flap, 7- motor,
8- connecting rod, 9- roller, 10- bracket, the first fixture block of 11-, 12- curtain, 13- fixed link, 14- third fixture block, 15- casing, 16-
Second fixture block, 17- ratchet bar, 18- pull rod, 19- spring, 20- compensation block, 21- card pipe, the first placing groove of a-, b- second are placed
Slot.
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.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution:
A kind of Computer Major Teaching apparatus for demonstrating, including storage box 1,1 left end of storage box are fixedly connected with clearly
Bull stick 3, the company of rotation between two bull sticks 3 are fixedly connected on the inside of clean box 2,2 top inner side of clean box and bottom end
It is connected to rubber flap 6, is fixedly connected to torque spring 4, the torque spring 4 on the inside of 3 top inner side of bull stick and bottom end
The other end be fixedly connected with clean box 2, the 2 rear inside wall of clean box is fixedly connected with limited block 5, the storage box 1
Top inner side is fixedly connected with motor 7, and the 7 main shaft end of motor is fixedly connected with connecting rod 8, consolidates on the outside of the connecting rod 8
Surely it is connected with roller 9,8 bottom end of connecting rod and storage box 1 are rotatablely connected, and 1 bottom end of storage box is fixedly connected with bracket
10,10 top left hand of bracket offers the first placing groove a, offers the second placing groove b, the branch on the left of the bracket 10
It is fixedly connected with the first fixture block 11 on the right side of frame 10, card pipe 21 is fixedly connected on the right side of the bracket 10, is fixed on the left of the roller 9
It is connected with curtain 12, fixed link 13 is fixedly connected on the left of the curtain 12, is fixedly connected with third on the outside of the fixed link 13
Fixture block 14,13 bottom end of fixed link are fixedly connected with the second fixture block 16, and 13 Basolateral of fixed link is fixedly connected with set
Pipe 15, described sleeve pipe 15 and 21 side of card pipe slidably connect pull rod 18, and 18 side of pull rod is fixedly connected with ratchet bar
17, spring 19 is fixedly connected on the left of the ratchet bar 17,19 left side of spring is fixedly connected with 15 left end inner sidewall of casing,
15 bottom end of described sleeve pipe is fixedly connected with compensation block 20.
10 right side of the bracket be fixedly connected on the left of card pipe 21, first fixture block 11 and the cunning of ratchet bar 17 described in right end
Dynamic connection, second fixture block 16 are slidably connected with ratchet bar 17 described in left end.It is high that this set is conducive to adjustable device
Degree uses convenient for observation, improves the usage experience of device, the motion profile of the third fixture block 14 be it is linear, it is described
First placing groove a is arranged on the motion profile of third fixture block 14, and the third fixture block 14 fits with the first placing groove a, this
Kind it is provided with the convenience for being conducive to improve device folding and unfolding, easy to operate, cost is relatively low, the first placing groove a and second is placed
Slot b is connected, the motion profile of described sleeve pipe 15 be it is linear, the motion profile of casing 15 is arranged in the second placing groove b
On, described sleeve pipe 15 is bonded to each other with the second placing groove b, and this set is conducive to, and improves the convenience of device folding and unfolding, is saved empty
Between, the quantity of the pull rod 18 and spring 19 is two, and two pull rods 18 and spring 19 are at arranged symmetrically, the spring
19 are arranged in the circumferential position of pull rod 18, and this set is conducive to improve the convenience of device folding and unfolding, saves space.
The model MSMA502D servo motor of motor 7,
Workflow: being powered on the device using external power supply, pulls up storage box 1 and bracket 10 is driven to move,
It drives the first fixture block 11 to move upwards, pulls up fixed link 13, to drive the second fixture block 16 to move upwards, to make first
Fixture block 11 and the second fixture block 16 engage on ratchet bar 17, and spring 19 provides ratchet bar 17 and the second fixture block 16 or the first fixture block 11
The thrust of engaging, pull rod 18, which facilitates, carries out disassembly reset, and compensation block 20 guarantees that curtain 12 exists to altimetric compensation is carried out on the left of device
Horizontality guarantees that casing 15 can be taken in the second placing groove b, and third fixture block 14 can be taken in the first placing groove a, can be with
Device after folding and unfolding is limited, anti-locking apparatus arbitrarily shakes, and improves device operation stability, can be convenient and carries out to device
Expansion and folding and unfolding, can also very easily be adjusted the height of curtain, facilitate viewing, improve the usage experience of device, open up
The operation very simple with folding and unfolding is opened, and saves space, curtain can also be protected, curtain is avoided to receive damage, is pulled to the left solid
Fixed pole 13, the operation rotation of motor 7, so that the curtain on roller 9 be produced, fixed link 13 passes through clean box 2 from the first placing groove a
Middle extraction, rubber flap 6 are turned out limited block 5 by frictional force and are limited the rotation of rubber flap 6 so as to so that rubber
6 cleaning end of glue scraper plate wipes curtain 12, to clean the dust on curtain 12, torque spring 4 drives 3 turns of bull stick
It is dynamic, the pressure wiped to curtain 12 is provided for rubber flap 6, raising device improves device in demonstration and projects on curtain
Clarity, and extend the service life of device, guarantee the using effect of device, and use is very convenient, it is easy to operate.
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 (5)
1. a kind of Computer Major Teaching apparatus for demonstrating, including storage box (1), it is characterised in that: storage box (1) left end
It is fixedly connected with clean box (2), is fixedly connected to bull stick (3) on the inside of clean box (2) top inner side and bottom end, two institutes
It states and is rotatably connected between bull stick (3) rubber flap (6), is fixedly connected on the inside of bull stick (3) top inner side and bottom end
The other end of torque spring (4), the torque spring (4) is fixedly connected with clean box (2), clean box (2) rear inside
Wall is fixedly connected with limited block (5), and storage box (1) top inner side is fixedly connected with motor (7), motor (7) main shaft
End is fixedly connected with connecting rod (8), is fixedly connected with roller (9) on the outside of the connecting rod (8), connecting rod (8) bottom end
It is rotatablely connected with storage box (1), storage box (1) bottom end is fixedly connected with bracket (10), bracket (10) top left hand
The first placing groove (a) is offered, the second placing groove (b) is offered on the left of the bracket (10), is fixed on the right side of the bracket (10)
It is connected with the first fixture block (11), card pipe (21) is fixedly connected on the right side of the bracket (10), is fixedly connected on the left of the roller (9)
Have curtain (12), be fixedly connected with fixed link (13) on the left of the curtain (12), is fixedly connected on the outside of the fixed link (13)
Third fixture block (14), fixed link (13) bottom end are fixedly connected with the second fixture block (16), fixed link (13) Basolateral
It is fixedly connected with casing (15), described sleeve pipe (15) He Kaguan (21) side slidably connects pull rod (18), the pull rod
(18) side is fixedly connected with ratchet bar (17), is fixedly connected with spring (19), the spring on the left of the ratchet bar (17)
(19) left side is fixedly connected with casing (15) left end inner sidewall, and described sleeve pipe (15) bottom end is fixedly connected with compensation block (20).
2. a kind of Computer Major Teaching apparatus for demonstrating according to claim 1, it is characterised in that: the bracket (10)
It is fixedly connected on the left of right side and card pipe (21), first fixture block (11) is slidably connected with ratchet bar described in right end (17), described
Second fixture block (16) is slidably connected with ratchet bar described in left end (17).
3. a kind of Computer Major Teaching apparatus for demonstrating according to claim 1, it is characterised in that: the third fixture block
(14) motion profile be it is linear, first placing groove (a) is arranged on the motion profile of third fixture block (14), described the
Three fixture blocks (14) fit with the first placing groove (a).
4. a kind of Computer Major Teaching apparatus for demonstrating according to claim 1, it is characterised in that: described first places
Slot (a) is connected with the second placing groove (b), the motion profile of described sleeve pipe (15) be it is linear, second placing groove (b) is set
It sets on the motion profile of casing (15), described sleeve pipe (15) is bonded to each other with the second placing groove (b).
5. a kind of Computer Major Teaching apparatus for demonstrating according to claim 1, it is characterised in that: the pull rod (18)
Quantity with spring (19) is two, and at being symmetrical arranged, the spring (19) is set for two pull rods (18) and spring (19)
Set the circumferential position in pull rod (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920124024.6U CN209471335U (en) | 2019-01-24 | 2019-01-24 | A kind of Computer Major Teaching apparatus for demonstrating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920124024.6U CN209471335U (en) | 2019-01-24 | 2019-01-24 | A kind of Computer Major Teaching apparatus for demonstrating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209471335U true CN209471335U (en) | 2019-10-08 |
Family
ID=68093172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920124024.6U Expired - Fee Related CN209471335U (en) | 2019-01-24 | 2019-01-24 | A kind of Computer Major Teaching apparatus for demonstrating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209471335U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112562450A (en) * | 2020-03-16 | 2021-03-26 | 河南大学 | Piano playing wrist pressing prevention device for exercise |
-
2019
- 2019-01-24 CN CN201920124024.6U patent/CN209471335U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112562450A (en) * | 2020-03-16 | 2021-03-26 | 河南大学 | Piano playing wrist pressing prevention device for exercise |
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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: 20191008 Termination date: 20200124 |