CN208013658U - A kind of curtain for teaching projection - Google Patents
A kind of curtain for teaching projection Download PDFInfo
- Publication number
- CN208013658U CN208013658U CN201820499520.5U CN201820499520U CN208013658U CN 208013658 U CN208013658 U CN 208013658U CN 201820499520 U CN201820499520 U CN 201820499520U CN 208013658 U CN208013658 U CN 208013658U
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- shaft
- gear
- lifting ring
- handed
- anticlockwise
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Abstract
The utility model is related to the technical fields of teaching projection auxiliary equipment can facilitate and be stored to ontology more particularly to a kind of curtain for teaching projection, improve practicability；And it can facilitate and adjust body height according to the projection requirements of projecting apparatus, reduce and use limitation；Including ontology and hanging rod；Further include containing box, roller bearing, left fixed shaft, right fixed shaft, left connecting shaft, right connecting shaft, left-handed flap and dextrorotation flap；Further include left fixed plate, right fixed plate, left-handed runner, dextrorotation runner, left gear, right gear, anticlockwise threaded rod, right rotation threaded rod, left lifting ring and right lifting ring, left gear and right gear bottom central zones are respectively arranged with left-handed shaft and dextral shaft, left connecting shaft and right connecting shaft lateral wall are provided with external screw thread, and left lifting ring and right lifting ring spiral shell are filled on anticlockwise threaded rod and right rotation threaded rod.
Description
Technical field
The utility model is related to the technical field of teaching projection auxiliary equipment, more particularly to a kind of for teaching projection
Curtain.
Background technology
It is used for during teaching development it is well known that the curtain for teaching projection is one kind, facilitates and launch projecting apparatus
Picture be presented in face of teachers and students, to the auxiliary equipment that assisted teacher teaches, obtained in the field of teaching projection wide
General use；The existing curtain for teaching projection includes ontology and hanging rod, and ontology top is connect with hanging rod bottom；It is existing
For teaching projection curtain in use, it is required suspension ontology metope on be provided with one group of hook, hanging rod is positioned over
On one group of hook, it both may be used to which ontology to be suspended on metope, and after the completion of use, ontology removed and wound
Ontology can be stored on to hanging rod；It is found in the existing curtain use for teaching projection, inconvenience is to ontology
It is stored, practicability is poor；And its inconvenient height that ontology is adjusted according to the projection requirements of projecting apparatus, so as to cause it
It is higher using limitation.
Utility model content
It can facilitate ontology is stored in order to solve the above technical problems, the utility model provides one kind, improve practical
Property；And it can facilitate and adjust body height according to the projection requirements of projecting apparatus, reduce and be used for teaching projection using limitation
Curtain.
A kind of curtain for teaching projection of the utility model, including ontology and hanging rod, ontology top and hanging rod bottom
Connection；Further include containing box, roller bearing, left fixed shaft, right fixed shaft, left connecting shaft, right connecting shaft, left-handed flap and right rotation
Plate is provided with containing cavities in the containing box, and is horizontally arranged with inlet and outlet at the top of containing box, inlet and outlet and containing cavities phase
Logical, the roller bearing is located in containing box, and the ontology bottom end is stretched into containing box by inlet and outlet and is fastened on roller bearing,
And it is respectively arranged with right baffle-plate and right shell body in roller bearing left and right ends, the left fixed shaft and right fixed shaft are separately mounted to left gear
On plate left side wall and right shell body right side wall, the containing box left side wall and right side wall middle section are respectively arranged with left through-hole and the right side
Through-hole, the left fixed shaft and right fixed shaft are each passed through left through-hole and right through-hole, and in left fixed shaft left end and right fixed shaft
Right end is respectively arranged with left limit plate and right limit plate, the left connecting shaft and right connecting shaft respectively with left limit plate and right limit
Plate connects, and the left-handed flap and dextrorotation flap are separately mounted to left connecting shaft left end and right connecting shaft right end, and in anticlockwise
Plate left side wall and dextrorotation flap right side wall middle section are respectively arranged with anticlockwise handle and right rotation handle；It further include left fixation
Plate, right fixed plate, left-handed runner, dextrorotation runner, left gear, right gear, anticlockwise threaded rod, right rotation threaded rod, left lifting
Ring and right lifting ring, the left fixed plate and right fixed plate are separately mounted to containing box left side wall and the later half region of right side wall, and
Anticlockwise chamber and right rotation chamber, left fixed plate and right fixed plate center of top are respectively arranged in left fixed plate and right fixed plate
Region is respectively arranged with left-handed transit and dextrorotation transit, left-handed transit and dextrorotation transit respectively with anticlockwise chamber and right rotation chamber phase
Logical, the left-handed runner and dextrorotation runner are located at anticlockwise chamber and right rotation intracavitary, the left gear and right gear bottom
Middle section is respectively arranged with left-handed shaft and dextral shaft, and the left-handed shaft and dextral shaft bottom end are each passed through anticlockwise
Mouth and dextrorotation transit are connect with left-handed runner and dextrorotation runner, and the left connecting shaft and right connecting shaft lateral wall are provided with outer spiral shell
Line, the left gear and right gear are engaged with left connecting shaft and right connecting shaft respectively, the anticlockwise threaded rod and right rotation spiral shell
Rasp bar is separately mounted at the top of left gear and right gear, the left lifting ring and right lifting ring inner wall is respectively arranged with and anticlockwise
Threaded rod and the corresponding internal thread of right rotation threaded rod, and by left lifting ring and right lifting ring spiral shell be filled to anticlockwise threaded rod and
On right rotation threaded rod, the left lifting ring and right lifting ring are located at hanging rod left area and right area, and in left liter
It is respectively arranged with left fixed link and right fixed link between drop ring and right lifting ring and hanging rod left and right ends.
A kind of curtain for teaching projection of the utility model, further includes one group of roll left pearl and one group of right ball, described
Left through-hole and right through hole are respectively arranged with one group of left groove and one group of right groove, described one group roll left pearl and one group of right ball point
Not An Zhuan in one group of left groove and one group of right groove, and one group roll left pearl and one group of right ball respectively with left fixed shaft and the right side
Fixing axle outer wall contacts.
A kind of curtain for teaching projection of the utility model, further include front limit axis, rear limit shaft, front rod and
Rear connecting rod, is horizontally arranged with front limit hole and rear limit hole in the front limit axis and rear limit shaft, the front rod and
Rear connecting rod is each passed through front limit hole and rear limit hole, and front rod and rear connecting rod left and right ends respectively with containing box
Left side wall is connected with interior right side wall in import and export, and the ontology is between front limit axis and rear limit shaft.
A kind of curtain for teaching projection of the utility model, further includes left positioning plate and right positioning plate, and the left side is fixed
Position plate and right positioning plate are separately mounted to anticlockwise threaded rod and right rotation threaded rod tip.
A kind of curtain for teaching projection of the utility model, further includes left anti-slip handlebar sleeve and right anti-slip handlebar sleeve, described
Left anti-slip handlebar sleeve and right anti-slip handlebar sleeve are set on anticlockwise handle and right rotation handle.
A kind of curtain for teaching projection of the utility model, further includes left support column, right support column and pedestal, described
Left support column and right support top end and bottom end are connect with containing box bottom and base top left area and right half area respectively.
A kind of curtain for teaching projection of the utility model further includes one group of non-slip mat, one group of non-slip mat point
It An Zhuan not base bottom front left side, left rear side, forward right side and right lateral side.
The beneficial effects of the utility model are compared with prior art：By above-mentioned setting, completion can be used in ontology
Afterwards, user is removed hanging rod by bearing, and equidirectional rotation anticlockwise handle and right rotation handle simultaneously, makes left fixed shaft
Roller bearing rotation is driven with right fixed shaft, ontology is constantly wound on roller bearing outer wall, ontology is stored into containing box, until hanging
It is contacted at the top of bar and containing box, ontology is stored so as to convenient, improves practicability；And it can be turned by user
Dynamic anticlockwise handle and right rotation handle make left connecting shaft and right connecting shaft rotate, since left connecting shaft and right connecting shaft are distinguished
It is engaged with left gear and right gear, therefore left gear and right gear rotate under the drive of left connecting shaft and right connecting shaft, Ke Yitong
The position that left-handed runner and dextrorotation runner limit left gear and right gear in the rotation of anticlockwise chamber and right rotation intracavitary is crossed, it is left-handed
Turn threaded rod and right rotation threaded rod rotates together with left gear and right gear, makes left lifting ring and right lifting ring along anticlockwise spiral shell
Rasp bar and right rotation threaded rod move up or down simultaneously, make hanging rod that ontology be driven to move up and down, and roller bearing loosens or receives
The speed of tight ontology is communicated with the speed that ontology top rises or falls, so as to by facilitating the projection according to projecting apparatus to want
Adjusting body height is sought, reduces and uses limitation.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the partial enlarged view in the portions A in Fig. 1；
Fig. 3 is the partial enlarged view in the portions B in Fig. 1；
It is marked in attached drawing：1, ontology；2, hanging rod；3, containing box；4, roller bearing；5, left fixed shaft；6, left connecting shaft；7, left-handed
Flap；8, right baffle-plate；9, left limit plate；10, anticlockwise handle；11, right fixed plate；12, dextrorotation runner；13, right gear；14,
Right rotation threaded rod；15, right lifting ring；16, dextral shaft；17, right fixed link；18, it rolls left pearl；19, front limit axis；20, preceding
Connecting rod；21, left positioning plate；22, left anti-slip handlebar sleeve；23, right support column；24, pedestal；25, non-slip mat.
Specific implementation mode
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
As shown in Figure 1 to Figure 3, a kind of curtain for teaching projection of the utility model, including ontology 1 and hanging rod 2, this
Body top is connect with hanging rod bottom；Further include containing box 3, roller bearing 4, left fixed shaft 5, right fixed shaft, left connecting shaft 6, right connection
Axis, left-handed flap 7 and dextrorotation flap are provided with containing cavities in containing box, and are horizontally arranged with inlet and outlet at the top of containing box, into
Outlet is communicated with containing cavities, and roller bearing is located in containing box, and ontology bottom end is stretched into containing box and is fastened by inlet and outlet
On roller bearing, and it is respectively arranged with right baffle-plate 8 and right shell body in roller bearing left and right ends, left fixed shaft and right fixed shaft are separately mounted to
On right baffle-plate left side wall and right shell body right side wall, containing box left side wall and right side wall middle section are respectively arranged with left through-hole and the right side
Through-hole, left fixed shaft and right fixed shaft are each passed through left through-hole and right through-hole, and in left fixed shaft left end and right fixed shaft right end
It is respectively arranged with left limit plate 9 and right limit plate, left connecting shaft and right connecting shaft are connect with left limit plate and right limit plate respectively,
Left-handed flap and dextrorotation flap are separately mounted to left connecting shaft left end and right connecting shaft right end, and on left-handed flap left side wall and the right side
Swivel plate right side wall middle section is respectively arranged with anticlockwise handle 10 and right rotation handle；Further include left fixed plate, right fixation
Plate 11, left-handed runner, dextrorotation runner 12, left gear, right gear 13, anticlockwise threaded rod, right rotation threaded rod 14, left lifting ring
With right lifting ring 15, left fixed plate and right fixed plate are separately mounted to containing box left side wall and the later half region of right side wall, and on a left side
Anticlockwise chamber and right rotation chamber, left fixed plate and right fixed plate top central region are respectively arranged in fixed plate and right fixed plate
It is respectively arranged with left-handed transit and dextrorotation transit, left-handed transit and dextrorotation transit are communicated with anticlockwise chamber and right rotation chamber respectively,
Left-handed runner and dextrorotation runner are located at anticlockwise chamber and right rotation intracavitary, left gear and right gear bottom central zones difference
Be provided with left-handed shaft and dextral shaft 16, left-handed shaft and dextral shaft bottom end be each passed through left-handed transit and dextrorotation transit with
Left-handed runner is connected with dextrorotation runner, and left connecting shaft and right connecting shaft lateral wall are provided with external screw thread, left gear and right gear point
It is not engaged with left connecting shaft and right connecting shaft, anticlockwise threaded rod and right rotation threaded rod are separately mounted to left gear and right gear
Top, left lifting ring and right lifting ring inner wall are respectively arranged with interior spiral shell corresponding with anticlockwise threaded rod and right rotation threaded rod
Line, and left lifting ring and right lifting ring spiral shell are filled on anticlockwise threaded rod and right rotation threaded rod, left lifting ring and right lifting
Ring is located at hanging rod left area and right area, and between left lifting ring and right lifting ring and hanging rod left and right ends respectively
It is provided with left fixed link and right fixed link 17；, can be after the completion of ontology use by above-mentioned setting, user is by hanging rod by solid
Determine place to remove, and equidirectional rotation anticlockwise handle and right rotation handle simultaneously, left fixed shaft and right fixed shaft is made to drive roller bearing
Rotation, ontology is constantly wound on roller bearing outer wall, ontology is stored into containing box, until being connect at the top of hanging rod and containing box
It touches, ontology is stored so as to convenient, improves practicability；And anticlockwise handle and the right side can be rotated by user
Rotating handles make left connecting shaft and right connecting shaft rotate, due to left connecting shaft and right connecting shaft respectively with left gear and right gear
Engagement, therefore left gear and right gear rotate under the drive of left connecting shaft and right connecting shaft, can pass through left-handed runner and dextrorotation
Runner limits the position of left gear and right gear, anticlockwise threaded rod and right rotation in the rotation of anticlockwise chamber and right rotation intracavitary
Threaded rod rotates together with left gear and right gear, makes left lifting ring and right lifting ring along anticlockwise threaded rod and right rotation screw thread
Bar moves up or down simultaneously, makes hanging rod that ontology be driven to move up and down, and roller bearing loosens or tighten the speed and sheet of ontology
The speed that body top rises or falls communicates, so as to adjust body height according to the projection requirements of projecting apparatus by facilitating,
It reduces and uses limitation.
A kind of curtain for teaching projection of the utility model further includes one group of roll left pearl 18 and one group of right ball, a left side
Through-hole and right through hole are respectively arranged with one group of left groove and one group of right groove, and one group is rolled left pearl and one group of right ball is installed respectively
In one group of left groove and one group of right groove, and one group roll left pearl and one group of right ball respectively with left fixed shaft and right fixed shaft
Outer wall contacts；By above-mentioned setting, by one group can roll left pearl and one group of right ball reduce left fixed shaft and right fixed shaft with
Frictional force between containing box left side wall and right side wall, so as to facilitate left fixed shaft and right fixed shaft logical in left through-hole and the right side
It is rotated at hole.
A kind of curtain for teaching projection of the utility model further includes front limit axis 19, rear limit shaft, front rod
20 and rear connecting rod, be horizontally arranged with front limit hole and rear limit hole in front limit axis and rear limit shaft, front rod and after connect
Extension bar is each passed through front limit hole and rear limit hole, and front rod and rear connecting rod left and right ends are passed in and out with containing box respectively
Left side wall is connected with interior right side wall at mouthful, and ontology is between front limit axis and rear limit shaft；Pass through above-mentioned setting, Ke Yitong
Front limit axis and rear limit axis limit ontology are crossed in the position of import and export, so that ontology is in vertical state, improves ontology
To the display effect of projector picture.
A kind of curtain for teaching projection of the utility model further includes left positioning plate 21 and right positioning plate, left positioning
Plate and right positioning plate are separately mounted to anticlockwise threaded rod and right rotation threaded rod tip；By above-mentioned setting, a left side can be passed through
Positioning plate and right positioning plate limit left lifting ring and right lifting ring rises utmostly.
A kind of curtain for teaching projection of the utility model further includes left anti-slip handlebar sleeve 22 and right anti-slip handlebar sleeve, a left side
Anti-slip handlebar sleeve and right anti-slip handlebar sleeve are set on anticlockwise handle and right rotation handle；By above-mentioned setting, can make
User rotates anticlockwise handle and when right rotation handle, by left anti-slip handlebar sleeve and right anti-slip handlebar sleeve enhance user's hand with it is left-handed
Frictional force between handle hand and right rotation handle, so as to convenient for users to rotation anticlockwise handle and right rotation handle,
And the comfort level of user can be improved.
A kind of curtain for teaching projection of the utility model, further includes left support column, right support column 23 and pedestal 24,
Left support column and right support top end and bottom end are connect with containing box bottom and base top left area and right half area respectively；
By above-mentioned setting, containing box can be connect with pedestal by left support column and right support column, so as to facilitate support to receive
It receives the position of case, while ontology can be facilitated anywhere to use.
A kind of curtain for teaching projection of the utility model further includes one group of non-slip mat 25, one group of non-slip mat difference
Mounted on base bottom front left side, left rear side, forward right side and right lateral side；By above-mentioned setting, can be increased by one group of non-slip mat
Frictional force between pedestal and placed side by force, so as to improve the shelf-stability of pedestal.
A kind of curtain for teaching projection of the utility model can make after the completion of ontology use at work
User is removed hanging rod by bearing, and equidirectional rotation anticlockwise handle and right rotation handle simultaneously, makes left fixed shaft and the right side
Fixing axle drive roller bearing rotation, ontology is constantly wound on roller bearing outer wall, ontology is stored into containing box, until hanging rod with
Contact at the top of containing box stores ontology so as to convenient, improves practicability；And it can be rotated by user left
Rotating handles and right rotation handle make left connecting shaft and right connecting shaft rotate, due to left connecting shaft and right connecting shaft respectively with a left side
Gear and right gear engagement, therefore left gear and right gear rotate under the drive of left connecting shaft and right connecting shaft, can pass through a left side
Rotating wheel and dextrorotation runner limit the position of left gear and right gear, anticlockwise spiral shell in the rotation of anticlockwise chamber and right rotation intracavitary
Rasp bar and right rotation threaded rod rotate together with left gear and right gear, make left lifting ring and right lifting ring along anticlockwise threaded rod
It is moved up or down simultaneously with right rotation threaded rod, makes hanging rod that ontology be driven to move up and down, and roller bearing loosens or tighten this
The speed of body is communicated with the speed that ontology top rises or falls, so as to by facilitating the projection requirements tune according to projecting apparatus
Body height is saved, reduces and uses limitation, one group of roll left pearl and one group of right ball reduction left fixed shaft and right fixation can be passed through
Frictional force between axis and containing box left side wall and right side wall, so as to facilitating left fixed shaft and right fixed shaft in left through-hole and
Right through hole rotation can conveniently make at ontology by front limit axis and rear limit axis limit ontology in the position of import and export
In vertical state, display effect of the ontology to projector picture is improved, can be limited by left positioning plate and right positioning plate
Left lifting ring and right lifting ring rise utmostly, can lead to when user rotates anticlockwise handle and right rotation handle
The frictional force between left anti-slip handlebar sleeve and right anti-slip handlebar sleeve enhancing user's hand and anticlockwise handle and right rotation handle is crossed, to
Can be convenient for users to rotation anticlockwise handle and right rotation handle, and the comfort level of user can be improved, it can pass through
Containing box is connect by left support column and right support column with pedestal, so as to facilitate the position of support containing box, while can be square
Just ontology is anywhere using, and can enhance the frictional force between pedestal and placed side by one group of non-slip mat, so as to
Mobile base and containing box are moved to specified bottom end by the shelf-stability for improving pedestal first before completing above-mentioned action,
And corresponding projecting apparatus is placed into corresponding position.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change
The scope of protection of the utility model is also should be regarded as into modification.
Claims (7)
1. a kind of curtain for teaching projection, including ontology (1) and hanging rod (2), ontology (1) top connects with hanging rod (2) bottom
It connects；It is characterized in that, further including containing box (3), roller bearing (4), left fixed shaft (5), right fixed shaft, left connecting shaft (6), right connection
Axis, left-handed flap (7) and dextrorotation flap, the containing box (3) is interior to be provided with containing cavities, and is laterally set at the top of containing box (3)
Inlet and outlet are equipped with, inlet and outlet are communicated with containing cavities, and the roller bearing (4) is located in containing box (3), and ontology (1) bottom end passes through
Inlet and outlet are stretched into containing box (3) and are fastened on roller bearing (4), and are respectively arranged with left gear in roller bearing (4) left and right ends
Plate (8) and right shell body, the left fixed shaft (5) and right fixed shaft are separately mounted on the right side of right baffle-plate (8) left side wall and right shell body
On wall, containing box (3) left side wall and right side wall middle section are respectively arranged with left through-hole and right through-hole, the left fixed shaft
(5) and right fixed shaft is each passed through left through-hole and right through-hole, and is respectively set in left fixed shaft (5) left end and right fixed shaft right end
Have left limit plate (9) and a right limit plate, the left connecting shaft (6) and right connecting shaft respectively with left limit plate (9) and right limit plate
Connection, the left-handed flap (7) and dextrorotation flap are separately mounted to left connecting shaft (6) left end and right connecting shaft right end, and on a left side
Swivel plate (7) left side wall and dextrorotation flap right side wall middle section are respectively arranged with anticlockwise handle (10) and right rotation handle；
Further include left fixed plate, right fixed plate (11), left-handed runner, dextrorotation runner (12), left gear, right gear (13), anticlockwise spiral shell
Rasp bar, right rotation threaded rod (14), left lifting ring and right lifting ring (15), the left fixed plate and right fixed plate (11) are pacified respectively
Mounted in containing box (3) left side wall and the later half region of right side wall, and a left side is respectively arranged in left fixed plate and right fixed plate (11)
Rotating drum and right rotation chamber, left fixed plate and right fixed plate (11) top central region are respectively arranged with left-handed transit and right rotation
Mouthful, left-handed transit and dextrorotation transit are communicated with anticlockwise chamber and right rotation chamber respectively, the left-handed runner and dextrorotation runner (12)
It is located at anticlockwise chamber and right rotation intracavitary, the left gear and right gear (13) bottom central zones are respectively arranged with left-handed
Shaft and dextral shaft (16), the left-handed shaft and dextral shaft (16) bottom end be each passed through left-handed transit and dextrorotation transit with
Left-handed runner and dextrorotation runner (12) connection, the left connecting shaft (6) and right connecting shaft lateral wall are provided with external screw thread, the left side
Gear and right gear (13) are engaged with left connecting shaft (6) and right connecting shaft respectively, the anticlockwise threaded rod and right rotation screw thread
Bar (14) is separately mounted at the top of left gear and right gear (13), and the left lifting ring and right lifting ring (15) inner wall are respectively set
There is an internal thread corresponding with anticlockwise threaded rod and right rotation threaded rod (14), and by left lifting ring and right lifting ring (15) spiral shell
It is filled on anticlockwise threaded rod and right rotation threaded rod (14), the left lifting ring and right lifting ring (15) are located at hanging rod
(2) left area and right area, and be respectively set between left lifting ring and right lifting ring (15) and hanging rod (2) left and right ends
There are left fixed link and right fixed link (17).
2. a kind of curtain for teaching projection as described in claim 1, which is characterized in that further include one group of pearl of rolling left (18)
With one group of right ball, the left through-hole and right through hole are respectively arranged with one group of left groove and one group of right groove, and described one group left
Ball (18) and one group of right ball are separately mounted in one group of left groove and one group of right groove, and one group of pearl of rolling left (18) and one
The right ball of group is contacted with left fixed shaft (5) and right fixed shaft outer wall respectively.
3. a kind of curtain for teaching projection as claimed in claim 2, which is characterized in that further include front limit axis (19),
Limit shaft, front rod (20) and rear connecting rod afterwards are horizontally arranged with front limit in the front limit axis (19) and rear limit shaft
Hole and rear limit hole, the front rod (20) and rear connecting rod are each passed through front limit hole and rear limit hole, and preceding connection
Bar (20) and rear connecting rod left and right ends are connect with left side wall in containing box (3) import and export and interior right side wall respectively, described
Body (1) is located between front limit axis (19) and rear limit shaft.
4. a kind of curtain for teaching projection as claimed in claim 3, which is characterized in that further include left positioning plate (21) and
Right positioning plate, the left positioning plate (21) and right positioning plate are separately mounted to anticlockwise threaded rod and right rotation threaded rod (14) top
End.
5. a kind of curtain for teaching projection as claimed in claim 4, which is characterized in that further include left anti-slip handlebar sleeve (22)
With right anti-slip handlebar sleeve, the left anti-slip handlebar sleeve (22) and right anti-slip handlebar sleeve are set in anticlockwise handle (10) and right rotation handle
On hand.
6. a kind of curtain for teaching projection as claimed in claim 5, which is characterized in that further include left support column, right branch
Dagger (23) and pedestal (24), the left support column and right support column (23) top and bottom end respectively with containing box (3) bottom and
Left area is connected with right half area at the top of pedestal (24).
7. a kind of curtain for teaching projection as claimed in claim 6, which is characterized in that further include one group of non-slip mat
(25), one group of non-slip mat (25) is separately mounted to pedestal (24) bottom front left side, left rear side, forward right side and right lateral side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820499520.5U CN208013658U (en) | 2018-04-09 | 2018-04-09 | A kind of curtain for teaching projection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820499520.5U CN208013658U (en) | 2018-04-09 | 2018-04-09 | A kind of curtain for teaching projection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208013658U true CN208013658U (en) | 2018-10-26 |
Family
ID=63892393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820499520.5U Expired - Fee Related CN208013658U (en) | 2018-04-09 | 2018-04-09 | A kind of curtain for teaching projection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208013658U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110376831A (en) * | 2019-07-26 | 2019-10-25 | 磐安艾肯机械设备有限公司 | One kind being based on foreign-going ship multimedia terminal equipment |
| CN113448141A (en) * | 2021-05-14 | 2021-09-28 | 上海工程技术大学 | Special effect curtain wall for later-stage production of film and television |
-
2018
- 2018-04-09 CN CN201820499520.5U patent/CN208013658U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110376831A (en) * | 2019-07-26 | 2019-10-25 | 磐安艾肯机械设备有限公司 | One kind being based on foreign-going ship multimedia terminal equipment |
| CN113448141A (en) * | 2021-05-14 | 2021-09-28 | 上海工程技术大学 | Special effect curtain wall for later-stage production of film and television |
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