CN207409150U - Anticollision device, collision-prevention device and multimedia education system - Google Patents
Anticollision device, collision-prevention device and multimedia education system Download PDFInfo
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- CN207409150U CN207409150U CN201720012392.2U CN201720012392U CN207409150U CN 207409150 U CN207409150 U CN 207409150U CN 201720012392 U CN201720012392 U CN 201720012392U CN 207409150 U CN207409150 U CN 207409150U
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- blackboard
- collision
- extensible member
- prevention device
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Abstract
The utility model discloses a kind of anticollision device, collision-prevention device, for multimedia education system, the multimedia education system includes multimedia touching interactive all-in-one machine, blackboard and the slide slided for blackboard, the multimedia touching interactive all-in-one machine is located at the blackboard back side, and the one side of the multimedia touching interactive all-in-one machine towards the blackboard has the USB interfaces for USB flash disk grafting.The anticollision device, collision-prevention device includes:Stent is installed on the slide and by the interface;Extensible member, is installed on the stent, and the extensible member can stretch compared with the stent and slide into the first state of the interface with the limitation blackboard and the second state stepped down be slided to the blackboard.Technical solutions of the utility model can effectively prevent blackboard during sliding closing, directly bump against be plugged in multimedia touching interactive all-in-one machine to USB flash disk, the problem of USB interface internal break for causing multimedia touching interactive all-in-one machine, occurs.
Description
Technical field
The utility model is related to multimedia equipment technical field, more particularly to a kind of anticollision device, collision-prevention device and multimedia teaching system
System.
Background technology
In recent years, multimedia education system was able to extensive utilization in education sector, and one is interacted including multimedia touching
Machine, blackboard and the slide slided for blackboard.Generally, multimedia touching interactive all-in-one machine is installed on behind Sliding blackboard, is hung
On wall.In use, sliding opening blackboard, exposes multimedia touching interactive all-in-one machine, is then plugged in the USB flash disk used more
Media are touched in the USB interfaces in interactive all-in-one machine;After being finished, after USB flash disk is extracted, sliding closing blackboard.But if
The USB flash disk used is longer, has put in the scope of blackboard slip;And forget to extract after using, then during sliding closing blackboard
USB flash disk can be directly hit, causes the USB interface internal breaks in multimedia touching interactive all-in-one machine.
Utility model content
The main purpose of the utility model is to provide a kind of anticollision device, collision-prevention device, it is intended to prevent Sliding blackboard in sliding closing process
In, directly bump against the USB for arriving USB flash disk, causing multimedia touching interactive all-in-one machine being plugged in multimedia touching interactive all-in-one machine
Interface internal break.
To achieve the above object, the utility model proposes anticollision device, collision-prevention device, for multimedia education system, the multimedia
Tutoring system includes multimedia touching interactive all-in-one machine, blackboard and the slide slided for blackboard, the multimedia touching interaction
All-in-one machine is located at the blackboard back side, and the one side of the multimedia touching interactive all-in-one machine towards the blackboard has one to supply USB flash disk
The USB interfaces of grafting;
The anticollision device, collision-prevention device includes:Stent is installed on the slide and by the interface;Extensible member is installed on
The stent, the extensible member can stretch compared with the stent and with limit that the blackboard slides into the interface the
One state and the second state that resigning is slided to the blackboard.
Preferably, the anticollision device, collision-prevention device further includes an elastic component, and the elastic component connects the stent and the extensible member,
So that the extensible member is scalable compared with the rack elasticity.
Preferably, the elastic component is a compression spring, and the elastic component connects the stent and the extensible member, when the bullet
When property part is compressed, the extensible member is converted by first state to the second state.
Preferably, the stent includes being fixed on the first support plate of the slide, is oppositely arranged with the described first support
The second support plate and the connecting plate of connection first support plate and the second support plate, the extensible member is through described the
One support plate and abutted with one end of the elastic component, the other end of the elastic component is abutted with second support plate.
Preferably, the extensible member runs through first support plate and second support plate.
Preferably, the extensible member through one end of second support plate is equipped with positioning piece, the locating piece
When the extensible member returns back to first state, to be abutted with second support plate.
Preferably, the extensible member includes stretching through the first telescopic rod of first support plate and from described first
The second telescopic rod that the end face of contracting bar end is extended partially toward the direction away from first support plate, the elastic component
One end is abutted with the end face of the first telescopic rod end, and second telescopic rod is stretched into the elastic component.
Preferably, the end face of the first telescopic rod end is provided with abutting plate, and the abutting plate is flexible along described first
Bar it is laterally protruding, the elastic component with it is described abut plate abut.
Preferably, one end away from second support plate of the extensible member is provided with one and compresses plate, described to compress plate
Be located at the blackboard glide direction on both ends, be respectively facing first support plate in the glide direction of the blackboard
Both sides are extended with baffle.
Preferably, two baffles and the chamfered setting in the junction for compressing plate.
The utility model also proposes a kind of multimedia education system, including above-mentioned anticollision device, collision-prevention device;Its multimedia education system
Including multimedia touching interactive all-in-one machine, blackboard and the slide slided for blackboard.The multimedia touching interactive all-in-one machine position
In the blackboard back side, the one side of the multimedia touching interactive all-in-one machine towards the blackboard has inserting for USB flash disk grafting
Interface is provided with an anticollision device, collision-prevention device by the interface, and the anticollision device, collision-prevention device includes:Stent is installed on the slide and is located at
By the interface;Extensible member, is installed on the stent, and the extensible member can stretch compared with the stent and have limitation institute
Blackboard is stated to slide into the first state of the interface and slide the second state stepped down to the blackboard.
Technical solutions of the utility model install an anticollision device, collision-prevention device in the slide slided for blackboard, and anticollision device, collision-prevention device includes branch
Frame and extensible member.Extensible member can stretch compared with stent and the first shape of the interface is slid into the limitation blackboard
State and the second state that resigning is slided to the blackboard.At extensible member during first state, it can effectively prevent blackboard from sliding
The USB flash disk being plugged in multimedia touching interactive all-in-one machine is directly hit in closing process, causes the USB interfaces for USB flash disk grafting
Internal rupture.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to the structure shown in these attached drawings.
Fig. 1 is the schematic diagram that the utility model anticollision device, collision-prevention device stops blackboard;
Fig. 2 is the schematic diagram of the utility model anticollision device, collision-prevention device resigning blackboard;
Fig. 3 is the structure diagram of the utility model anticollision device, collision-prevention device;
Fig. 4 is the enlarged drawing at A in Fig. 3;
Fig. 5 is in first state schematic diagram for the utility model anticollision device, collision-prevention device;
Fig. 6 is in the second view for the utility model anticollision device, collision-prevention device;
Fig. 7 is the utility model anticollision device, collision-prevention device top view;
Fig. 8 is the utility model anticollision device, collision-prevention device bottom view.
Drawing reference numeral explanation:
Label | Title | Label | Title |
10 | Anticollision device, collision-prevention device | 101 | Stent |
101a | First support plate | 101b | Second support plate |
101c | Connecting plate | 102 | Extensible member |
102a | First telescopic rod | 102b | Second telescopic rod |
102c | Chuck | 103 | Elastic component |
104 | Locating piece | 105 | Abut plate |
106 | Compress plate | 107 | Baffle |
107a | First baffle | 107b | Second baffle |
20 | Multimedia touching interactive all-in-one machine | 30 | Blackboard |
40 | Slide | 201 | Interface |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that described embodiment is only the part of the embodiment rather than whole of the utility model
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative position relation, motion conditions under a certain particular pose (as shown in drawings) between each component etc., such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description in " first ", " second " etc. involved in the utility model is only used for description purpose, without being understood that
To indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Define as a result, " first ",
At least one this feature can be expressed or be implicitly included to the feature of " second ".In addition, the technical side between each embodiment
Case can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical solution
Conflicting or can not realize when occur will be understood that the combination of this technical solution is not present, also not in the requires of the utility model
Protection domain within.
With reference to Fig. 1, the multimedia teaching system the utility model proposes a kind of anticollision device, collision-prevention device 10 and comprising the anticollision device, collision-prevention device 10
System.
Referring to figs. 1 to Fig. 6, the utility model proposes a kind of anticollision device, collision-prevention devices 10, for multimedia education system, more matchmakers
Body tutoring system includes multimedia touching interactive all-in-one machine 20, blackboard 30 and the slide 40 slided for blackboard 30.More matchmakers
Body touches interactive all-in-one machine 20 and is located at 30 back side of blackboard, and the multimedia touching interactive all-in-one machine 20 is towards the blackboard 30
One side there is the USB interfaces 201 for USB flash disk grafting, be provided with anticollision device, collision-prevention device 10 by interface 201.The anticollision device, collision-prevention device
10 include stent 101, are installed on the slide 40 and by the interface 201;Extensible member 102 is installed on the stent
101, the extensible member 102 can stretch compared with the stent 101 and slide into the interface with the blackboard 30 is limited
201 first state and the second state that resigning is slided to the blackboard 30.
Multimedia touching interactive all-in-one machine 20 is installed on blackboard 30 behind, hang on wall.Blackboard 30 is then black by polylith
Plate 30 form (be at least two pieces under normal circumstances, certainly herein one piece it is also possible), install on slide 40, positioned at centre
The sub- blackboard 30 of position can be to both sides sliding opening.If desired using multimedia touching interactive all-in-one machine 20, only need in being located at
Between the sub- blackboard 30 of position can expose multimedia touching interactive all-in-one machine 20 behind to both sides sliding opening, make for teaching
With.
During use, USB flash disk is plugged in the USB interfaces 201 in multimedia touching interactive all-in-one machine 20, if using
USB flash disk it is longer, then can put in blackboard 30 slide in the range of.And it is to prevent blackboard 30 from directly hitting U during sliding closing
Disk causes 201 internal rupture of USB interfaces for grafting USB flash disk, is fixed in by interface 201 and is provided with anticollision device, collision-prevention device 10.Herein
It should be noted that anticollision device, collision-prevention device 10 is arranged at by interface 201, mainly it is interpreted as working as blackboard 30 in the on-state, blackboard 30
It is located at the both sides of anticollision device, collision-prevention device 10 respectively with interface 201.
Anticollision device, collision-prevention device 10 includes a stent 101, and stent 101 pacifies entire anticollision device, collision-prevention device 10 for being fixedly connected with slide 40
It is put on slide 40.It is understood that stent 101 and the connection of slide 40 can be welding, be glued and connect in threaded connection
Any one, it is preferred that using being threadedly coupled, i.e., do not lose stability, and easy to disassemble and replace.
An extensible member 102 that 201 side of interface is installed on by stent 101 is further included, wherein, extensible member 102 can be opposite
It stretches in stent 101 and slides into the first state of the interface 201 and to the blackboard with the blackboard 30 is limited
30 slide the second state stepped down.Specifically, first state refers to that extensible member 102 is put in the range of the slip of blackboard 30.
When 30 sliding closing of blackboard (slides) to close to the direction of interface 201, meeting first be blocked by extensible member 102, therewith, determined
In the case of not being plugged with USB flash disk on interface 201, it can promote extensible member 102 to the second state is moved to, be allowed to blackboard 30
Position, makes blackboard 30 slide to block multimedia touching interactive all-in-one machine 20.It is understood that extensible member 102 can be a connecting rod,
Its connecting rod can be in moving, to have the limitation blackboard 30 to slide on stent 101 compared with the direction closer or far from slide 40
The second state of resigning is slided to the first state of the interface 201 and to the blackboard 30.Wherein, if making extensible member 102
The second state is converted in first state, only need to apply a pressure to the direction away from track on extensible member 102;Together
Reason, if make extensible member 102 in the second state transition be first state, on extensible member 102 apply one with foregoing reversed power
.
Technical solutions of the utility model one anticollision device, collision-prevention device 10 of installation, anticollision device, collision-prevention device in the slide 40 slided for blackboard 30
10 include stent 101 and extensible member 102.Extensible member 102 can stretch compared with stent 101 and be slided with the blackboard 30 is limited
The second state of resigning is slided to the first state of the interface 201 and to the blackboard 30.At extensible member 102
During one state, it can effectively prevent blackboard 30 from directly hitting during sliding closing to be plugged in multimedia touching interactive all-in-one machine 20
On USB flash disk, cause 201 internal rupture of USB interfaces for USB flash disk grafting.
In another embodiment, with reference to Fig. 2 and Fig. 3, the anticollision device, collision-prevention device 10 further includes an elastic component 103, the elasticity
Part 103 connects the stent 101 and the extensible member 102, so that the extensible member 102 can compared with 101 elasticity of stent
It is flexible.Specifically, it is mainly to allow its extensible member 102 can be under the effect of the restoring force of elastic component 103 to set elastic component 103
Can be automatically first state from the second state transition.That is, when blackboard 30 is closed, extensible member 102 is in elasticity
Blackboard 30 (at this point, extensible member 102 is in the second state) is withstood under the restoring force effect of part 103;After sliding opening blackboard 30,
Remove support force of the blackboard 30 to its extensible member 102, extensible member 102 can be snapped into the scope that blackboard 30 moves, Jin Erji
Continuous blackboard 30 of preventing directly slides into interface 201 (at this point, extensible member 102 is converted to first state).Wherein, elastic component 103
Flexible resilient part 103 (such as rubber, silica gel elastomeric material) or rigid elastic part 103 (such as spring) can be used.Work as use
During flexible resilient part 103, after flexible resilient part 103 is set to be stretched, extensible member 102 can be made to be in the second state, that is to say, that
Extensible member 102 from the second state transition into first state is realized under the contraction restoring force of flexible resilient part 103.When
During using rigid elastic part 103, after rigid elastic part 103 is set to be stretched or compressed, extensible member 102 can all be made to be in the second shape
State, that is to say, that extensible member 102 will can all be replied from the second state transition into first state in the contraction of rigid elastic part 103
It is realized under the action of power or expansion restoring force.
Further, the elastic component 103 is a compression spring, and the elastic component 103 connects the stent 101 and described flexible
Part 102, when the elastic component 103 is compressed, the extensible member 102 is converted by first state to the second state.Certainly, when black
After 30 activity of plate is opened, extensible member 102 can be automatically from the second state transition to first state under the restoring force effect of compression spring.
In another embodiment, with reference to Fig. 1 and Fig. 3, the stent 101 includes being fixed on the first support of the slide 40
Plate 101a, with described first the second support plate 101b for being oppositely arranged of support and connection the first support plate 101a and the
The connecting plate 101c of two support plate 101b, the extensible member 102 through the first support plate 101a and with the elastic component 103
One end abut, the other end of the elastic component 103 abuts with the second support plate 101b.Specifically, connecting plate 101c
It connects the first support plate 101a and the second support plate 101b and forms a U (U) shape stents 101 or work shape stent 101, preferably
, inverse-U-shape rack 101 is arranged to, it is easy to process.Wherein, a 101 visual groove of inverse-U-shape rack is set, and connecting plate 101c is
Slot bottom;Its elastic component 103 is located in groove, and extensible member 102 abuts 103 one end of elastic component, bullet through the first support plate 101a
Property part 103 other end abut the second support plate 101b.
Further, the extensible member 102 runs through the first support plate 101a and the second support plate 101b.
In the present embodiment, extensible member 102 is set through the second support plate 101b, during moving axially extensible member 102
There can be a direction restriction effect, the situation to circumferential offset will not be generated.It is understood that when extensible member 102 is through the
One support plate 101a, then its compression elastic piece 103 move during, circumferential offset to wide-angle can occur at any time and compress it
Elastic component 103 causes and larger damage is caused to elastic component 103.And when setting compression piece is simultaneously through the first support plate 101a
With the second support plate 101b, under the position-limiting action of two penetrations, compression piece can only be moved along the line direction of two penetrations,
Prevent it from generating circumferential offset.Compared with above-mentioned two situations, fixed extensible member 102 of putting supports the first support plate 101a and second
Plate 101b runs through, the stability that one moves for guarantee extensible member 102;Secondly, it is the service life of guarantee elastic component 103.
In another embodiment, with reference to Fig. 3 and Fig. 4, the extensible member 102 through the one of the second support plate 101b
End is equipped with positioning piece 104, and the locating piece 104 is to when the extensible member 102 returns back to first state, with described the
Two support plate 101b are abutted.It is understood that extensible member 102 return back to first state when, locating piece 104 can prop up
Second support plate 101b predominantly prevents extensible member 102 from being separated when being subject to larger elastic-restoring force with its elastic component 103,
Cause a departure from entire anticollision device, collision-prevention device 10.In the present embodiment, the nut that locating piece 104 is a screw is set, wherein, extensible member
One end of 102 connection locating pieces 104 is provided with threaded hole, and nut connects extensible member by the screw rod of a matching threaded hole
102.The mode being connected by screw, enormously simplifies the assembly method of locating piece 104 and extensible member 102, easy to disassemble and more
It changes.
In another preferred embodiment, with reference to Fig. 3, the extensible member 102 is included through the first support plate 101a
The first telescopic rod 102a and from the end face of the first telescopic rod 102a ends partially toward away from first support plate
The second telescopic rod 102b that the direction of 101a is extended, one end of the elastic component 103 and the first telescopic rod 102a ends
End face abut, the second telescopic rod 102b stretched into the elastic component 103.Specifically, the first telescopic rod 102a ends
End face partially toward the second telescopic rod 102b for extending of direction away from the first support plate 101a, can manage herein
Solution, the end face of the first telescopic rod 102a are connected with the end face of the second telescopic rod 102b, and the first telescopic rod 102a end faces
Diameter is more than the diameter of the second telescopic rod 102b end faces, and then the junction of two telescopic rods forms a chuck 102c.Wherein, it is elastic
Part 103 is sheathed on the second telescopic rod 102b, and one end abuts its chuck 102c, and the other end abuts the second support plate 101b.This
The plan of establishment can facilitate installation and dismantle its elastic component 103.
Further, the end face of the first telescopic rod 102a ends, which is provided with, abuts plate 105,105 edge of the abutting plate
The first telescopic rod 102a's is laterally protruding, and the elastic component 103 is abutted with the plate 105 that abuts.It is considered that elastic component
103 occur elastic deformation by compression, abut one end of chuck 102c and can generate expansion, cause sliding sleeve to the first telescopic rod 102a
On.The end face for being fixed in the first telescopic rod 102a ends is provided with abutting plate 105, increases the abutting scope of elastic component 103, prevents it
103 sliding sleeve of elastic component is on the first telescopic rod 102a.It is understood that the gasket that plate 105 can be an annular is abutted, in
Diameter of the footpath more than the second telescopic rod 102b and the diameter less than the first telescopic rod 102a, it is directly flexible from second when assembling
It is inserted on bar 102b.
In another embodiment, with reference to Fig. 3, Fig. 7 and Fig. 8, the separate second support plate 101b of the extensible member 102
One end be provided with one and compress plate 106, the both ends being located in 30 glide direction of blackboard for compressing plate 106, court respectively
Baffle 107 is extended with to both sides of the first support plate 101a in the glide direction of the blackboard 30.
During to consider that extensible member 102 is in the second working condition, the area of apical grafting blackboard 30 is too small, and pressure is larger,
Easily blackboard 30 is caused to scratch or worn;It is fixed to put it and compress plate 106 to disperse extensible member 102 to the pressure of blackboard 30.
Wherein, plate 106 is compressed to be connected with any one that the connection mode of extensible member 102 can be to be threadedly coupled, in gluing or welding
Mode, it is preferable that using welding, i.e., be securely not easy to loosen, secondary injury will not be generated to blackboard 30.
Furthermore if when elastic component 103 is in the first working condition, the position that blackboard 30 collides anticollision device, collision-prevention device 10 is to support
The edge of pressing plate 106, the edge for compressing plate 106 are also easy to that blackboard 30 is caused to scratch or worn.So in compressing plate
106 both ends being located in 30 glide direction of blackboard, are respectively facing the first support plate 101a in the blackboard 30
Both sides in glide direction are extended with baffle 107.Wherein, baffle 107 includes first baffle 107a and second baffle 107b, the
One baffle 107a is used to abut against the blackboard 30 during sliding closing, to increase the contact area with blackboard 30, reduces its anticollision device, collision-prevention device
10 pairs of blackboards 30 damage.Second baffle 107b then coordinates first baffle 107a, and the two is close to the two of the first support plate 101a
Side is set, and effectively prevents its extensible member 102 from generating when movement to rock.
Further, two baffles 107 and the chamfered setting in the junction for compressing plate 106.It is appreciated that
It is that, in 30 sliding opening of blackboard, anticollision device, collision-prevention device 10 can be popped up more swimmingly with 30 separated moment of blackboard, be converted to first
State.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
It is every under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes or directly/is used in other related technical areas indirectly and is included in the scope of patent protection of the utility model.
Claims (11)
1. a kind of anticollision device, collision-prevention device, for multimedia education system, the multimedia education system includes multimedia touching and interacts one
Body machine, blackboard and the slide slided for blackboard, the multimedia touching interactive all-in-one machine is located at the blackboard back side, described
The one side of multimedia touching interactive all-in-one machine towards the blackboard has the USB interfaces for USB flash disk grafting, which is characterized in that
The anticollision device, collision-prevention device includes:
Stent is installed on the slide and by the interface;
Extensible member, is installed on the stent, and the extensible member can stretch compared with the stent and be slided with the blackboard is limited
It moves to the first state of the interface and the second state stepped down is slided to the blackboard.
2. anticollision device, collision-prevention device as described in claim 1, which is characterized in that the anticollision device, collision-prevention device further includes an elastic component, the bullet
Property part connect the stent and the extensible member so that the extensible member is scalable compared with the rack elasticity.
3. anticollision device, collision-prevention device as claimed in claim 2, which is characterized in that the elastic component is a compression spring, the elastic component connection
The stent and the extensible member, when the elastic component is compressed, the extensible member is converted by first state to the second state.
4. anticollision device, collision-prevention device as claimed in claim 2, which is characterized in that the stent includes first that is fixed on the slide
Fagging, with described first the second support plate for being oppositely arranged of support and connection first support plate and the second support plate
Connecting plate, the extensible member through first support plate and abutted with one end of the elastic component, the elastic component it is another
End is abutted with second support plate.
5. anticollision device, collision-prevention device as claimed in claim 4, which is characterized in that the extensible member is by first support plate and described
Two support plates run through.
6. anticollision device, collision-prevention device as claimed in claim 5, which is characterized in that the extensible member through the one of second support plate
End is equipped with positioning piece, and the locating piece is to when the extensible member returns back to first state, with second support plate
It abuts.
7. anticollision device, collision-prevention device as claimed in claim 4, which is characterized in that the extensible member is included through first support plate
First telescopic rod and from the end face of the first telescopic rod end partially toward away from first support plate direction extend
The second telescopic rod gone out, one end of the elastic component are abutted with the end face of the first telescopic rod end, second telescopic rod
It stretches into the elastic component.
8. anticollision device, collision-prevention device as claimed in claim 7, which is characterized in that the end face of the first telescopic rod end is provided with abutting
Plate, the abutting plate are abutted along the laterally protruding of first telescopic rod, the elastic component with the plate that abuts.
9. anticollision device, collision-prevention device as claimed in claim 4, which is characterized in that one away from second support plate of the extensible member
End is provided with one and compresses plate, and the both ends being located in the blackboard glide direction for compressing plate are respectively facing described first
Both sides of the fagging in the glide direction of the blackboard are extended with baffle.
10. anticollision device, collision-prevention device as claimed in claim 9, which is characterized in that two baffles and the junction for compressing plate are equal
Chamfered setting.
11. a kind of multimedia education system includes the slide of multimedia touching interactive all-in-one machine, blackboard and confession blackboard slip,
The multimedia touching interactive all-in-one machine is located at the blackboard back side, and the multimedia touching interactive all-in-one machine is towards the blackboard
One side there is an interface for USB flash disk grafting, be provided with just like described in claims 1 to 10 any one by the interface
Anticollision device, collision-prevention device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720012392.2U CN207409150U (en) | 2017-01-04 | 2017-01-04 | Anticollision device, collision-prevention device and multimedia education system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720012392.2U CN207409150U (en) | 2017-01-04 | 2017-01-04 | Anticollision device, collision-prevention device and multimedia education system |
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CN207409150U true CN207409150U (en) | 2018-05-25 |
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2017
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