CN207394295U - A kind of Multifunctional teaching aid applied to career planing course - Google Patents
A kind of Multifunctional teaching aid applied to career planing course Download PDFInfo
- Publication number
- CN207394295U CN207394295U CN201721499699.6U CN201721499699U CN207394295U CN 207394295 U CN207394295 U CN 207394295U CN 201721499699 U CN201721499699 U CN 201721499699U CN 207394295 U CN207394295 U CN 207394295U
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- gear
- wheel
- wall
- idler wheel
- conversioning
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Abstract
The utility model discloses a kind of Multifunctional teaching aids applied to career planing course, its structure includes crane structure, adjust holder structure, projector outer framework, radiator window, control box, projector switchs, switch fixed seat, camera lens fixed frame, camera lens, non-slip mat, a kind of Multifunctional teaching aid applied to career planing course of the utility model, structure is equipped with crane structure, rotate three angle knobs, it rotates the first spur gear and drives the 4th conversioning wheel, so as to via idler wheel and belt transmission to the 3rd conversioning wheel, via two conversioning wheels the second idler wheel is made to drive the operating of the first idler wheel, it is final that the second spur gear is made to rotate helical gear via swing arm, by coordinating with the groove of external thread groove, mandril is made to increase.Easy to operate, gear is all linked with one another, available for finely tuning, you can adjusts angle of inclination, and adjustable upper-lower height, function are more complete.
Description
Technical field
The utility model is a kind of Multifunctional teaching aid applied to career planing course, belongs to Multifunctional teaching aid neck
Domain.
Background technology
The apparatus that student is enable to be used when intuitively, visually understanding each appliances used in the content of courses and teachers' instruction
General name.Teaching aid is referred to as.Teaching aid can improve the learning interest of student, enrich perceptual knowledge, and help forms specific concept, develop
The observation ability and thinking ability of student.Career course projector is also one of teaching aid and projector use is wider,
Actually Multifunctional teaching aid.
But existing projector structure is relatively simple, adjusts height and when angle of inclination is relatively complicated, and can not accomplish
Fine tuning, it is more inconvenient to use.
Utility model content
In view of the deficienciess of the prior art, the utility model aim, which is to provide one kind, is applied to career planing course
Multifunctional teaching aid, it is relatively simple to solve existing projector structure, adjust height and when angle of inclination be relatively complicated, and
It can not accomplish to finely tune, use the problem of more inconvenient.
To achieve these goals, the utility model is to realize by the following technical solutions：One kind is applied to occupation
The Multifunctional teaching aid of career planning course, structure include crane structure, adjust holder structure, projector outer framework, radiator window,
Control box, projector switch, switch fixed seat, camera lens fixed frame, camera lens, non-slip mat, the projector outer framework bottom is with preventing
It is mutually binded at the top of skidding, the non-slip mat bottom at the top of projector outer framework with being mutually parallel, the projector outer framework right end
It is connected with radiator window outer wall using card slot, the adjustment seat structural top fits with non-slip mat bottom, outside the projector
Back-end framework is integrated with control box front end, and the switch fixed seat bottom inside projector outer framework with passing through screw
It is fixedly connected, is connected inside the switch fixed seat with projector switch bottom using card slot, the switch fixed seat top
Portion is clearance fit with projector switch outer wall, and the switch fixed seat front end is connected with camera lens rear end by camera lens fixed frame
It connects, the camera lens outer wall is used with camera lens fixed frame inner wall and is threadedly coupled, the adjustment seat structural base and crane structure top
Portion is connected；The crane structure by rubber ring, the first conversioning wheel, the second conversioning wheel, the 3rd conversioning wheel, the first spur gear,
Three angle knobs, knob connecting rod, the 4th conversioning wheel, bumper, weight block, pedestal outer framework, the first built-up gear, the second straight-tooth
Wheel, the second built-up gear, the 5th conversioning wheel, helical gear, external thread groove, mandril, the first idler wheel, the first belt, the second idler wheel, rotation
Bar, the 3rd idler wheel, the second belt, ball, bearing inner ring, outer race, the 4th idler wheel composition, the pedestal outer framework top are set
There is through hole, the rubber ring outer wall at the top of pedestal outer framework with mutually binding, in the first conversioning wheel right end and pedestal outer framework
Wall right end is connected by swing arm, and the first conversioning wheel lower-left end is connected with the second conversioning wheel upper right side, described 3rd turn
Change wheel left upper end has lower end to be meshed with the second conversioning wheel, and the three angle knobs left end is connected with the first spur gear right end by knob
Extension bar is fixedly connected, and the pedestal outer framework right end is mutually binded with outer race outer wall, in the outer race inner wall and bearing
Ring outer wall is connected by ball, and the bearing inner ring inner wall is mutually welded with knob connecting rod middle-end, the first spur gear bottom
Portion fits with the 4th conversioning wheel top right side, and the 4th conversioning wheel top rear is meshed with the 4th idler wheel bottom, described
4th idler wheel side is connected with the 3rd idler wheel side by the second belt, the 3rd idler wheel right side and the 3rd conversioning wheel left end
Rear side is meshed using flexible connection, the first conversioning wheel left end rear side with the second idler wheel right end, the second idler wheel rear end
It is connected with pedestal outer framework rear inner wall by swing arm, second idler wheel and the first idler wheel are connected by the first belt transmission
It connects, fits on rear side of the 5th conversioning wheel left end with the first idler wheel left end, the 5th conversioning wheel right end combines tooth with first
Wheel top is connected by the second built-up gear, and the second built-up gear bottom is with using spur gear at the top of the first built-up gear
It is sequentially connected, the swing arm middle-end connects with helical gear, on the upside of the second spur gear left end and the first built-up gear right end
It is connected, is integrated inside the external thread groove with mandril middle-end, the pedestal outer framework inner wall bottom and weight block
Bottom is mutually welded, and is mutually binded with mandril bottom at the top of the bumper.
Further, it is connected at the top of the mandril with adjustment seat structural base by bearing.
Further, the adjusting holder structure is by hang plate, fixed plate, cylindrical plate, small swing arm, buckle gear, buckle, recessed
Slot, buckle spring, spring fixed seat, button spring, button, small swing arm connecting seat composition.
Further, the hang plate bottom at the top of fixed plate with fitting, the fixed plate right end and cylindrical plate left end
It is connected, the spring fixed seat left end is mutually welded with fixed plate inner wall, and the buckle left end passes through with spring fixed seat right end
Buckle spring is connected, and the buckle front end is equipped with groove, the button middle-end and fixed plate as clearance fit, in the button
Portion is connected with inside fixed plate by button spring, and the buckle gear outer wall is clearance fit with cylindrical plate inner wall, described
Small swing arm connecting seat side is integrated with cylindrical plate inner wall, and the small swing arm middle-end connects with buckle gear middle-end.
Further, the mandril is mutually perpendicular to fixed plate bottom.
Further, the non-slip mat is using rubber as raw material, and anti-skid wearable is durable.
Further, the radiator window is using plastics as raw material, will not corrosion, chemical stabilization.
Advantageous effect
A kind of Multifunctional teaching aid applied to career planing course of the utility model, structure are equipped with crane knot
Structure rotates three angle knobs, rotates the first spur gear and drive the 4th conversioning wheel, so as to via idler wheel and belt transmission to the 3rd
Conversioning wheel makes the second idler wheel drive the operating of the first idler wheel, the second spur gear is finally made to turn via swing arm via two conversioning wheels
Dynamic helical gear by coordinating with the groove of external thread groove, rises mandril.Easy to operate, gear is all linked with one another, available for micro-
It adjusts, you can adjust angle of inclination, and adjustable upper-lower height, function are more complete.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon：
Fig. 1 is a kind of structure diagram of Multifunctional teaching aid applied to career planing course of the utility model；
Fig. 2 is the front plan view of the utility model crane structure；
Fig. 3 is the utility model crane structure action plane figure；
Fig. 4 is the utility model adjustment seat structure side plan view；
Fig. 5 adjusts holder structure plan view from above for the utility model.
In figure：Crane structure -1 adjusts holder structure -2, projector outer framework -3, radiator window -4, control box -5, projection
Machine switch -6, switch fixed seat -7, camera lens fixed frame -8, camera lens -9, non-slip mat -10, rubber ring -101, the first conversioning wheel -
102nd, the second conversioning wheel -103, the 3rd conversioning wheel -104, the first spur gear -105, three angle knobs -106, knob connecting rod -107,
4th conversioning wheel -108, bumper -109, weight block -110, pedestal outer framework -111, the first built-up gear -112, the second straight-tooth
Take turns the -113, second built-up gear -114, the 5th conversioning wheel -115, helical gear -116, external thread groove -117, mandril -118, first
Idler wheel -119, the first belt -120, the second idler wheel -121, swing arm -122, the 3rd idler wheel -123, the second belt -124, ball -
125th, bearing inner ring -126, outer race -127, the 4th idler wheel -128, hang plate -201, fixed plate -202, cylindrical plate -203,
Small swing arm -204, buckle gear -205, buckle -206, groove -207, buckle spring -208, spring fixed seat -209, button bullet
Spring -210, button -211, small swing arm connecting seat -212.
Specific embodiment
Technical means, creative features, achievable purpose and effectiveness to realize the utility model are easy to understand, below
With reference to specific embodiment, the utility model is expanded on further.
- Fig. 5 is please referred to Fig.1, the utility model provides a kind of Multifunctional teaching aid skill applied to career planing course
Art scheme：Its structure includes crane structure 1, adjusts holder structure 2, projector outer framework 3, radiator window 4, control box 5, projector
Switch 6, switch fixed seat 7, camera lens fixed frame 8, camera lens 9, non-slip mat 10,3 bottom of projector outer framework and non-slip mat 10
Top is mutually binded, and 10 bottom of non-slip mat is mutually parallel with 3 top of projector outer framework, 3 right end of projector outer framework
It is connected with 4 outer wall of radiator window using card slot, 2 top of adjusting holder structure fits with 10 bottom of non-slip mat,
3 rear end of projector outer framework is integrated with 5 front end of control box, it is described switch 7 bottom of fixed seat with
It is fixed by screws inside projector outer framework 3,7 inside of switch fixed seat switchs 6 bottoms and use with projector blocks
Slot is connected, and 7 top of fixed seat and projector 6 outer walls of switch of switching is clearance fit, described to switch 7 front end of fixed seat
It is connected with 9 rear end of camera lens by camera lens fixed frame 8,9 outer wall of camera lens is used with 8 inner wall of camera lens fixed frame and is threadedly coupled,
Adjusting 2 bottom of holder structure is connected with 1 top of crane structure；The crane structure 1 is by 101, first turns of rubber ring
Change wheel 102, the second conversioning wheel 103, the 3rd conversioning wheel 104, the first spur gear 105, three angle knobs 106, knob connecting rod 107,
4th conversioning wheel 108, bumper 109, weight block 110, pedestal outer framework 111, the first built-up gear 112, the second spur gear
113rd, the second built-up gear 114, the 5th conversioning wheel 115, helical gear 116, external thread groove 117, mandril 118, the first idler wheel 119,
First belt 120, the second idler wheel 121, swing arm 122, the 3rd idler wheel 123, the second belt 124, ball 125, bearing inner ring 126,
Outer race 127, the 4th idler wheel 128 form, and 111 top of the pedestal outer framework is equipped with through hole, 101 outer wall of rubber ring with
111 top of pedestal outer framework is mutually binded, and 102 right end of the first conversioning wheel passes through swing arm with 111 inner wall right end of pedestal outer framework
122 are connected, and the 102 lower-left end of the first conversioning wheel is connected with 103 upper right side of the second conversioning wheel, the 3rd conversioning wheel
104 left upper ends have lower end to be meshed with the second conversioning wheel 103, and three angle knobs, 106 left end leads to 105 right end of the first spur gear
It crosses knob connecting rod 107 to be fixedly connected, 111 right end of pedestal outer framework is mutually binded with 127 outer wall of outer race, the bearing
127 inner wall of outer shroud is connected with 126 outer wall of bearing inner ring by ball 125,126 inner wall of bearing inner ring and knob connecting rod
107 middle-ends are mutually welded, and 105 bottom of the first spur gear fits with 108 top right side of the 4th conversioning wheel, the 4th conversion
It takes turns 108 top rears to be meshed with 128 bottom of the 4th idler wheel, 128 side of the 4th idler wheel passes through with 123 side of the 3rd idler wheel
Second belt 124 is connected, and 123 right side of the 3rd idler wheel is flexibly connected with being used on rear side of 104 left end of the 3rd conversioning wheel, described
It is meshed on rear side of first conversioning wheel, 102 left end with 121 right end of the second idler wheel, 121 rear end of the second idler wheel and pedestal outer framework
111 rear inner walls are connected by swing arm 122, and second idler wheel 121 is driven with the first idler wheel 119 by the first belt 120
Connection is fitted with 119 left end of the first idler wheel on rear side of 115 left end of the 5th conversioning wheel, 115 right end of the 5th conversioning wheel and
The top of first built-up gear 112 is connected by the second built-up gear 114,114 bottom of the second built-up gear with first group
It closes 112 top of gear to connect using Spur Gear Driving, 122 middle-end of swing arm connects with helical gear 116, second straight-tooth
113 left ends are taken turns with being connected on the upside of 112 right end of the first built-up gear, 117 inside of external thread groove and 118 middle-end of mandril are one
Body structure, the 111 inner wall bottom of pedestal outer framework are mutually welded with 110 bottom of weight block, 109 top of bumper and top
118 bottom of bar is mutually binded, and 118 top of mandril is connected with adjusting 2 bottom of holder structure by bearing, the adjusting holder structure
2 by hang plate 201, fixed plate 202, cylindrical plate 203, small swing arm 204, buckle gear 205, buckle 206, groove 207, buckle bullet
Spring 208, spring fixed seat 209, button spring 210, button 211, small swing arm connecting seat 212 form, 201 bottom of hang plate
It fits with 202 top of fixed plate, 202 right end of fixed plate is connected with 203 left end of cylindrical plate, the spring fixed seat
209 left ends are mutually welded with 202 inner wall of fixed plate, and 206 left ends of the buckle pass through the spring that is buckled with 209 right end of spring fixed seat
208 are connected, and 206 front ends of the buckle are equipped with groove 207,211 middle-end of button and fixed plate 202 as clearance fit, institute
It states 211 inside of button with inside fixed plate 202 by button spring 210 to be connected, buckle 205 outer wall of gear and cylindrical plate
203 inner walls are clearance fit, and small 212 side of swing arm connecting seat is integrated with 203 inner wall of cylindrical plate, the small rotation
204 middle-end of bar connects with buckle 205 middle-end of gear, and the mandril 118 is mutually perpendicular to 202 bottom of fixed plate, described anti-skidding
Pad 10 is using rubber as raw material, and anti-skid wearable is durable, the radiator window 4 using plastics as raw material, will not corrosion, chemistry
Property stablize.
For non-slip mat 10 described in this patent using rubber as raw material, rubber refers to the strong flexible polymer with reversible deformation
Material, at room temperature high resilience can generate compared with large deformation under the external force effect of very little, remove resilient after external force.
In progress in use, rotating three angle knobs 106, rotate the first spur gear 105 and drive the 4th conversioning wheel 108,
So as to, to the 3rd conversioning wheel 104, via two conversioning wheels the second idler wheel 121 be made to drive the first rolling via idler wheel and belt transmission
119 operating of wheel, finally makes the second spur gear 113 rotate helical gear 116 via swing arm 122, passes through the groove with external thread groove 117
Cooperation, rises mandril 118.
The existing projector structure of the utility model solution is relatively simple, adjusts more numerous when height and angle of inclination
It is trivial, and can not accomplish to finely tune, the problem of more inconvenient is used, the utility model is combined with each other by above-mentioned component, this
A kind of Multifunctional teaching aid applied to career planing course of utility model, structure are equipped with crane structure, rotate triangle
Knob rotates the first spur gear and drives the 4th conversioning wheel, so as to, to the 3rd conversioning wheel, passed through via idler wheel and belt transmission
By two conversioning wheels the second idler wheel is made to drive the operating of the first idler wheel, the second spur gear is finally made to rotate helical gear via swing arm, is led to
It crosses and coordinates with the groove of external thread groove, mandril is made to increase.Easy to operate, gear is all linked with one another, available for finely tuning, you can adjusting is inclined
Rake angle, but adjustable upper-lower height, function are more complete.
The basic principle of the utility model and main feature and the advantages of the utility model has been shown and described above, for
For those skilled in the art, it is clear that the utility model is not limited to the details of above-mentioned exemplary embodiment, and without departing substantially from this
In the case of the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent requirements of the claims
All changes are embraced therein.Any reference numeral in claim should not be considered as to the involved right of limitation
It is required that.
Moreover, it will be appreciated that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
Using specification as an entirety, the technical solutions in each embodiment can also be properly combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (5)
1. a kind of Multifunctional teaching aid applied to career planing course, structure includes crane structure (1), adjustment seat knot
Structure (2), projector outer framework (3), radiator window (4), control box (5), projector switch (6), switch fixed seat (7), camera lens are solid
Determine frame (8), camera lens (9), non-slip mat (10), projector outer framework (3) bottom is described with mutually being binded at the top of non-slip mat (10)
Non-slip mat (10) bottom at the top of projector outer framework (3) with being mutually parallel, projector outer framework (3) right end and radiator window
(4) outer wall is connected using card slot, is fitted at the top of the adjusting holder structure (2) with non-slip mat (10) bottom, it is characterised in that：
Projector outer framework (3) rear end is integrated with control box (5) front end, described switch fixed seat (7) bottom
With being fixed by screws inside projector outer framework (3), the switch fixed seat (7) is internal to switch (6) bottom with projector
Portion is connected using card slot, and it is clearance fit to switch (6) outer wall with projector at the top of the switch fixed seat (7), described to open
It closes fixed seat (7) front end with camera lens (9) rear end by camera lens fixed frame (8) to be connected, camera lens (9) outer wall is fixed with camera lens
Frame (8) inner wall is using being threadedly coupled, and adjusting holder structure (2) bottom at the top of crane structure (1) with being connected；
The crane structure (1) is by rubber ring (101), the first conversioning wheel (102), the second conversioning wheel (103), the 3rd conversioning wheel
(104), the first spur gear (105), three angle knobs (106), knob connecting rod (107), the 4th conversioning wheel (108), bumper
(109), weight block (110), pedestal outer framework (111), the first built-up gear (112), the second spur gear (113), the second combination
Gear (114), the 5th conversioning wheel (115), helical gear (116), external thread groove (117), mandril (118), the first idler wheel (119),
First belt (120), the second idler wheel (121), swing arm (122), the 3rd idler wheel (123), the second belt (124), ball (125),
Bearing inner ring (126), outer race (127), the 4th idler wheel (128) composition, pedestal outer framework (111) top are equipped with logical
Hole, rubber ring (101) outer wall at the top of pedestal outer framework (111) with mutually binding, the first conversioning wheel (102) right end and bottom
Seat outer framework (111) inner wall right end is connected by swing arm (122), the first conversioning wheel (102) lower-left end and the second conversion
Wheel (103) upper right side is connected, and the 3rd conversioning wheel (104) left upper end has lower end to be meshed with the second conversioning wheel (103), institute
It states three angle knobs (106) left end to be fixedly connected by knob connecting rod (107) with the first spur gear (105) right end, the pedestal
Outer framework (111) right end is mutually binded with outer race (127) outer wall, outer race (127) inner wall and bearing inner ring (126)
Outer wall is connected by ball (125), and bearing inner ring (126) inner wall is mutually welded with knob connecting rod (107) middle-end, described
First spur gear (105) bottom fits with the 4th conversioning wheel (108) top right side, behind the 4th conversioning wheel (108) top
Side is meshed with the 4th idler wheel (128) bottom, and the 4th idler wheel (128) side passes through second with the 3rd idler wheel (123) side
Belt (124) is connected, and is flexibly connected on the right side of the 3rd idler wheel (123) with being used on rear side of the 3rd conversioning wheel (104) left end, institute
It states and is meshed on rear side of the first conversioning wheel (102) left end with the second idler wheel (121) right end, the second idler wheel (121) rear end and bottom
Seat outer framework (111) rear inner wall is connected by swing arm (122), and second idler wheel (121) passes through with the first idler wheel (119)
First belt (120) is sequentially connected, and fits on rear side of the 5th conversioning wheel (115) left end with the first idler wheel (119) left end, institute
The 5th conversioning wheel (115) right end is stated at the top of the first built-up gear (112) by the second built-up gear (114) to be connected, it is described
Second built-up gear (114) bottom is connected at the top of the first built-up gear (112) using Spur Gear Driving, the swing arm (122)
Middle-end connects with helical gear (116), the second spur gear (113) left end and phase on the upside of the first built-up gear (112) right end
Connection, the external thread groove (117) is internal to be integrated with mandril (118) middle-end, pedestal outer framework (111) inner wall
Bottom is mutually welded with weight block (110) bottom, is mutually binded with mandril (118) bottom at the top of the bumper (109).
2. a kind of Multifunctional teaching aid applied to career planing course according to claim 1, it is characterised in that：Institute
It states and is connected at the top of mandril (118) with adjusting holder structure (2) bottom by bearing.
3. a kind of Multifunctional teaching aid applied to career planing course according to claim 1, it is characterised in that：Institute
It states and adjusts holder structure (2) by hang plate (201), fixed plate (202), cylindrical plate (203), small swing arm (204), buckle gear
(205), it is buckled (206), groove (207), buckle spring (208), spring fixed seat (209), button spring (210), button
(211), small swing arm connecting seat (212) composition.
4. a kind of Multifunctional teaching aid applied to career planing course according to claim 3, it is characterised in that：Institute
Hang plate (201) bottom is stated with fitting at the top of fixed plate (202), fixed plate (202) right end and cylindrical plate (203) left end
It is connected, spring fixed seat (209) left end is mutually welded with fixed plate (202) inner wall, buckle (206) left end and spring
Fixed seat (209) right end is connected by the spring that is buckled (208), and described buckle (206) front end is equipped with groove (207), described to press
Button (211) middle-end is clearance fit with fixed plate (202), and the button (211) is internal with passing through button inside fixed plate (202)
Spring (210) is connected, and buckle gear (205) outer wall is clearance fit with cylindrical plate (203) inner wall, and the small swing arm connects
Joint chair (212) side is integrated with cylindrical plate (203) inner wall, small swing arm (204) middle-end and buckle gear (205)
Middle-end connects.
5. a kind of Multifunctional teaching aid applied to career planing course according to claim 1, it is characterised in that：Institute
Mandril (118) is stated to be mutually perpendicular to fixed plate (202) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721499699.6U CN207394295U (en) | 2017-11-10 | 2017-11-10 | A kind of Multifunctional teaching aid applied to career planing course |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721499699.6U CN207394295U (en) | 2017-11-10 | 2017-11-10 | A kind of Multifunctional teaching aid applied to career planing course |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207394295U true CN207394295U (en) | 2018-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721499699.6U Expired - Fee Related CN207394295U (en) | 2017-11-10 | 2017-11-10 | A kind of Multifunctional teaching aid applied to career planing course |
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| Country | Link |
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| CN (1) | CN207394295U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108495013A (en) * | 2018-05-30 | 2018-09-04 | 滨州学院 | A kind of multimedia equipment for smart home |
| CN109541872A (en) * | 2018-12-07 | 2019-03-29 | 景德镇陶瓷大学 | A kind of novel art displaying device |
-
2017
- 2017-11-10 CN CN201721499699.6U patent/CN207394295U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108495013A (en) * | 2018-05-30 | 2018-09-04 | 滨州学院 | A kind of multimedia equipment for smart home |
| CN109541872A (en) * | 2018-12-07 | 2019-03-29 | 景德镇陶瓷大学 | A kind of novel art displaying device |
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| 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: 20180522 Termination date: 20181110 |