CN207992672U - A kind of historical teaching folded projection instrument curtain holder - Google Patents
A kind of historical teaching folded projection instrument curtain holder Download PDFInfo
- Publication number
- CN207992672U CN207992672U CN201820306849.5U CN201820306849U CN207992672U CN 207992672 U CN207992672 U CN 207992672U CN 201820306849 U CN201820306849 U CN 201820306849U CN 207992672 U CN207992672 U CN 207992672U
- Authority
- CN
- China
- Prior art keywords
- plate
- fixedly connected
- swivel
- fixed vertical
- swivel plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The utility model discloses a kind of historical teaching folded projection instrument curtain holders, including bottom plate, the four corners of bottom base plate have been fixedly connected with supporting leg, right side at the top of bottom plate is symmetrical arranged that there are two the first fixed vertical plates, it is fixedly connected by the first connection shaft between two the first fixed vertical plates, the surface activity of the first connection shaft is connected with the first swivel plate.The mutual cooperation that the utility model passes through the first fixed vertical plate, the first connection shaft, the first swivel plate, support plate, caging bolt, stop nut, connecting plate, fixed rotating shaft, movable plate, the second fixed vertical plate, the second connection shaft, the second swivel plate, limiting plate, limited block, limit straight slot, firm plate, gag lever post, movable plate and limit spring, projector curtain holder is set to fold, occupy less transport parking space, it avoids colliding with other articles, reduce unnecessary economic loss, brings great convenience to user.
Description
Technical field
The utility model is related to historical teaching technical field, specially a kind of historical teaching folded projection instrument curtain branch
Frame.
Background technology
History or abbreviation history, refer to human society bygone and action, and systematic to these thing behaviors
Record is annotated and is studied, and history can provide moderns and understand the past, as the reference frame that future acts, with ethics, philosophy and skill
Art belongs to the important achievement of human spiritual civilization, second meaning of history, i.e., to the record of past event and research, also known as
" history ", or referred to as " historiography " often needs to use projecting apparatus, common historical teaching during carrying out historical teaching
It is not foldable with projector curtain holder, it has not been convenient to which that user transports and storage projector curtain holder, is easy to occupy more
Parking space is transported, causes single transport object to tail off, is unfavorable for the progress of transport, is also easy to touch with other articles
It hits, causes projector curtain holder to damage, generate unnecessary economic loss, great inconvenience is brought to user.
Utility model content
The purpose of this utility model is to provide a kind of historical teaching folded projection instrument curtain holders, and having can roll over
Folded advantage solves the problems, such as that common historical teaching projector curtain holder is not foldable.
To achieve the above object, the utility model provides the following technical solutions：A kind of historical teaching folded projection instrument
The four corners of curtain holder, including bottom plate, the bottom base plate have been fixedly connected with supporting leg, and the right side at the top of the bottom plate is symmetrical
Setting is fixedly connected, described first between two the first fixed vertical plates by the first connection shaft there are two the first fixed vertical plate
The surface activity of connection shaft is connected with the first swivel plate, and support plate, the support plate are fixedly connected on the right side of the bottom plate
Bottom be provided with caging bolt, the position that the first swivel plate bottom right side corresponds to caging bolt is fixedly connected with and its phase
The top of the stop nut of adaptation, the caging bolt sequentially passes through support plate and stop nut and extends to limit from bottom to up
The outside of nut, the top on the left of first swivel plate are symmetrical arranged there are two connecting plate, by solid between two connecting plates
Determine shaft to be fixedly connected, the surface activity of the fixed rotating shaft is connected with movable plate, and the left side at the top of the bottom plate is symmetrical arranged
It there are two the second fixed vertical plate, is fixedly connected by the second connection shaft between two the second fixed vertical plates, second connection
The surface activity of shaft is connected with the second swivel plate, and the top movable on the left of second swivel plate is connected with limiting plate, described
It is fixedly connected with limited block on the left of limiting plate, contacts with each other on the left of the right side of the limited block and the second swivel plate, it is described
The position of corresponding limiting plate offers matched limit straight slot on the left of movable plate, and the right side of the limiting plate is from left to right
It sequentially passes through the second swivel plate and limit straight slot and extends to inside limit straight slot and be flexibly connected with it, second swivel plate is left
Side and firm plate is fixedly connected with below the limited block, the bottom of the firm plate is connected with gag lever post, the limit
The bottom of position bar is fixedly connected with movable plate, and the top of the gag lever post sequentially passes through firm plate and limited block and prolongs from bottom to up
It extends to the outside of limited block, the gag lever post surface and is socketed with limit spring positioned at firm position between plate and movable plate,
The top of the limit spring is fixedly connected with the bottom of firm plate, and the bottom of the limit spring and the top of movable plate are fixed
It connects, the top on front side of first swivel plate is fixedly connected with head rod, and the top on front side of second swivel plate is solid
Surely it is connected with the second connecting rod.
Preferably, the bottom of the supporting leg is fixedly connected with rest block, and the bottom of the rest block is fixedly connected with anti-skidding
Pad.
Preferably, the midpoint on the right side of second swivel plate is fixedly connected with link block, and the right side of the link block is solid
Surely it is connected with connecting ring.
Preferably, the bottom of the movable plate is fixedly connected with pulling block, and the bottom for pulling block is fixedly connected with drawing
Lever.
Preferably, the midpoint of the bottom base plate is fixedly connected with counterweight riser, at left and right sides of the counterweight riser
Bottom has been fixedly connected with counterweight transverse slat.
Compared with prior art, the beneficial effects of the utility model are as follows：
1, the utility model by the first fixed vertical plate, first connection shaft, the first swivel plate, support plate, caging bolt,
Stop nut, connecting plate, fixed rotating shaft, movable plate, the second fixed vertical plate, second connection shaft, the second swivel plate, limiting plate,
The mutual cooperation of limited block, limit straight slot, firm plate, gag lever post, movable plate and limit spring makes projector curtain holder can be with
It folds, occupies less transport parking space, avoid colliding with other articles, reduce unnecessary economic loss, give
User brings great convenience.
2, the utility model is beaten by the way that rest block and non-slip mat is arranged when preventing projector curtain holder from placing on the ground
It is sliding, the curtain holder folded is tied up by the way that link block and connecting ring, user-friendly attachment is arranged, is led to
It crosses setting and pulls block and pull lever, it is convenient by the way that counterweight riser and counterweight transverse slat is arranged convenient for users to pulling downward on movable plate
Weight is placed on counterweight transverse slat by user, to improve the stability of entire curtain holder.
Description of the drawings
Fig. 1 is the cross-sectional view of the structure of the utility model front view；
Fig. 2 is the structural schematic diagram of the utility model vertical view.
In figure：1 bottom plate, 2 supporting legs, 3 first fixed vertical plates, 4 first connection shafts, 5 first swivel plates, 6 support plates, 7 limits
Position bolt, 8 stop nuts, 9 connecting plates, 10 fixed rotating shafts, 11 movable plates, 12 second fixed vertical plates, 13 second connection shafts, 14
Second swivel plate, 15 limiting plates, 16 limited blocks, 17 limit straight slots, 18 firm plates, 19 gag lever posts, 20 movable plates, 21 limit bullets
Spring, 22 head rods, 23 second connecting rods, 24 rest blocks, 25 non-slip mats, 26 link blocks, 27 connecting rings, 28 pull blocks,
29 pull lever, 30 counterweight risers, 31 counterweight transverse slats.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1-2, a kind of historical teaching folded projection instrument curtain holder, including bottom plate 1,1 bottom of bottom plate
Midpoint is fixedly connected with counterweight riser 30, and the bottom of 30 left and right sides of counterweight riser has been fixedly connected with counterweight transverse slat 31, has led to
Setting counterweight riser 30 and counterweight transverse slat 31 are crossed, it is entire to improve convenient for users to weight to be placed on counterweight transverse slat 31
The four corners of the stability of curtain holder, 1 bottom of bottom plate have been fixedly connected with supporting leg 2, and the bottom of supporting leg 2, which is fixedly connected with, shelves
The bottom of block 24, rest block 24 is fixedly connected with non-slip mat 25, by the way that rest block 24 and non-slip mat 25 is arranged, prevents projecting apparatus curtain
Cloth holder skids when placing on the ground, and the right side at the top of bottom plate 1 is symmetrical arranged there are two the first fixed vertical plate 3, two first
It is fixedly connected by the first connection shaft 4 between fixed vertical plate 3, the surface activity of the first connection shaft 4 is connected with the first rotation
Plate 5 is connected the mutual cooperation of shaft 4 by the first fixed vertical plate 3 and first, so that the first swivel plate 5 is rotated, bottom plate
1 right side is fixedly connected with support plate 6, and the bottom of support plate 6 is provided with caging bolt 7, and 5 bottom right side of the first swivel plate corresponds to
The position of caging bolt 7 is fixedly connected with matched stop nut 8, and the top of caging bolt 7 is passed through successively from bottom to up
The top of perforating branches fagging 6 and stop nut 8 and the outside for extending to stop nut 8,5 left side of the first swivel plate is symmetrically arranged with two
A connecting plate 9 is fixedly connected by fixed rotating shaft 10 between two connecting plates 9, and the surface activity of fixed rotating shaft 10 is connected with work
Movable plate 11 allows movable plate 11 to be rotated by the mutual cooperation of connecting plate 9 and fixed rotating shaft 10, the left side at 1 top of bottom plate
Side is symmetrical arranged there are two the second fixed vertical plate 12, is passed through the second connection shaft 13 between two the second fixed vertical plates 12 and is fixed and connects
It connects, the surface activity of the second connection shaft 13 is connected with the second swivel plate 14, and the midpoint on 14 right side of the second swivel plate, which is fixed, to be connected
It is connected to link block 26, the right side of link block 26 is fixedly connected with connecting ring 27, by the way that link block 26 and connecting ring 27 is arranged,
User-friendly attachment ties up the curtain holder folded, is turned by the connection of the second fixed vertical plate 12 and second
The mutual cooperation of axis 13 allows the second swivel plate 14 to be rotated, and the top movable connection in 14 left side of the second swivel plate is limited
Position plate 15, the left side of limiting plate 15 is fixedly connected with limited block 16, the left side phase on the right side of limited block 16 and the second swivel plate 14
Mutually contact, the position that 11 left side of movable plate corresponds to limiting plate 15 offer matched limit straight slot 17, limiting plate 15
Right side sequentially passes through the second swivel plate 14 and limit straight slot 17 and extends to 17 inside of limit straight slot and its activity even from left to right
It connects, firm plate 18 is fixedly connected on the left of the second swivel plate 14 and positioned at the lower section of limited block 16, consolidate the bottom activity of plate 18
It is connected with gag lever post 19, the bottom of gag lever post 19 is fixedly connected with movable plate 20, and the bottom of movable plate 20 is fixedly connected with pulling
Block 28 pulls the bottom of block 28 to be fixedly connected with pull lever 29, and block 28 and pull lever 29 are pulled by setting, convenient for users to
The top of lower pulling movable plate 20, gag lever post 19 sequentially passes through firm plate 18 and limited block 16 and extends to limited block from bottom to up
16 outside, 19 surface of gag lever post and is socketed with limit spring 21 positioned at firm position between plate 18 and movable plate 20, limits
The top of spring 21 is fixedly connected with the bottom of firm plate 18, and the bottom of limit spring 21 is fixed with the top of movable plate 20 to be connected
It connects, the top of 5 front side of the first swivel plate is fixedly connected with head rod 22, and the top of 14 front side of the second swivel plate is fixedly connected
It is mostly slimmer and more graceful article to have the second connecting rod 23, projector curtain, and whole device may will produce weak vibrations, but not influence
User uses, by the first fixed vertical plate 3, first connect shaft 4, the first swivel plate 5, support plate 6, caging bolt 7,
Stop nut 8, connecting plate 9, fixed rotating shaft 10, movable plate 11, the second fixed vertical plate 12, second connection shaft 13, second rotate
The phase of plate 14, limiting plate 15, limited block 16, limit straight slot 17, firm plate 18, gag lever post 19, movable plate 20 and limit spring 21
Mutually cooperation, allows projector curtain holder to fold, occupies less transport parking space, avoid touching with other articles
It hits, reduces unnecessary economic loss, bring great convenience to user.
In use, user is by pulling the mutual cooperation of block 28 and pull lever 29 to pull downward on movable plate 20, movable plate
20, which move downward drive gag lever post 19, moves downward, and so that gag lever post 19 is detached from from limited block 16, later, pulls limited block to the left
16, limited block 16 drives limiting plate 15 to move downward, and limiting plate 15 is made to be detached from from limit straight slot 17, by limiting plate 15 and limit
Block 16 is taken off, and to the second swivel plate of right rotation 14, due to gravity, movable plate 11 is dot to backspin with fixed rotating shaft 10
Turn, staff makes caging bolt 7 be detached from from stop nut 8 by tool rotary stopper bolt 7, later, to anticlockwise the
One swivel plate 5, the state being finally reached are that the second swivel plate 14 is pushed up in 1 top of bottom plate, movable plate 11 in the second swivel plate 14
Portion, for the first swivel plate 5 at 11 top of movable plate, user passes through connecting ring 27 by rope, and is worn from the bottom of bottom plate 1
It crosses, bottom plate 1, the first swivel plate 5, movable plate 11 and the second swivel plate 14 is fixed up, the purpose of folding is reached.
In summary：Historical teaching folded projection instrument curtain holder is connected by the first fixed vertical plate 3, first
Shaft 4, the first swivel plate 5, support plate 6, caging bolt 7, stop nut 8, connecting plate 9, fixed rotating shaft 10, movable plate 11,
Two fixed vertical plates 12, second connect shaft 13, the second swivel plate 14, limiting plate 15, limited block 16, limit straight slot 17, firm plate
18, the mutual cooperation of gag lever post 19, movable plate 20 and limit spring 21 solves common historical teaching projector curtain holder
Not foldable problem.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of historical teaching folded projection instrument curtain holder, including bottom plate（1）, it is characterised in that：The bottom plate（1）Bottom
The four corners in portion have been fixedly connected with supporting leg（2）, the bottom plate（1）The right side at top is arranged symmetrically, and there are two the first fixed vertical plates
（3）, two the first fixed vertical plates（3）Between pass through first connection shaft（4）It is fixedly connected, the first connection shaft（4）'s
Surface activity is connected with the first swivel plate（5）, the bottom plate（1）Right side be fixedly connected with support plate（6）, the support plate
（6）Bottom be provided with caging bolt（7）, first swivel plate（5）Bottom right side corresponds to caging bolt（7）Position fix
It is connected with matched stop nut（8）, the caging bolt（7）Top sequentially pass through support plate from bottom to up（6）
And stop nut（8）And extend to stop nut（8）Outside, first swivel plate（5）It is symmetrically arranged at the top of left side
Two connecting plates（9）, two connecting plates（9）Between pass through fixed rotating shaft（10）It is fixedly connected, the fixed rotating shaft（10）Table
Face is connected with movable plate（11）, the bottom plate（1）The left side at top is arranged symmetrically, and there are two the second fixed vertical plates（12）, two
A second fixed vertical plate（12）Between pass through second connection shaft（13）It is fixedly connected, the second connection shaft（13）Surface
It is connected with the second swivel plate（14）, second swivel plate（14）The top movable in left side is connected with limiting plate（15）, institute
State limiting plate（15）Left side be fixedly connected with limited block（16）, the limited block（16）Right side and the second swivel plate（14）'s
Left side contacts with each other, the movable plate（11）Left side corresponds to limiting plate（15）Position offer matched limit straight slot
（17）, the limiting plate（15）Right side sequentially pass through the second swivel plate from left to right（14）With limit straight slot（17）And it extends to
Limit straight slot（17）Inside is flexibly connected with it, second swivel plate（14）Left side and be located at limited block（16）Lower section fix
It is connected with firm plate（18）, the firm plate（18）Bottom be connected with gag lever post（19）, the gag lever post（19）Bottom
Portion is fixedly connected with movable plate（20）, the gag lever post（19）Top sequentially pass through firm plate from bottom to up（18）And limited block
（16）And extend to limited block（16）Outside, the gag lever post（19）Surface and positioned at firm plate（18）With movable plate（20）It
Between position be socketed with limit spring（21）, the limit spring（21）Top and firm plate（18）Bottom be fixedly connected,
The limit spring（21）Bottom and movable plate（20）Top be fixedly connected, first swivel plate（5）The top of front side
It is fixedly connected with head rod（22）, second swivel plate（14）The second connecting rod is fixedly connected at the top of front side
（23）.
2. a kind of historical teaching according to claim 1 folded projection instrument curtain holder, it is characterised in that：The branch
Leg（2）Bottom be fixedly connected with rest block（24）, the rest block（24）Bottom be fixedly connected with non-slip mat（25）.
3. a kind of historical teaching according to claim 1 folded projection instrument curtain holder, it is characterised in that：Described
Two swivel plates（14）The midpoint on right side is fixedly connected with link block（26）, the link block（26）Right side be fixedly connected with company
Connect link（27）.
4. a kind of historical teaching according to claim 1 folded projection instrument curtain holder, it is characterised in that：The shifting
Movable plate（20）Bottom be fixedly connected with pulling block（28）, the pulling block（28）Bottom be fixedly connected with pull lever（29）.
5. a kind of historical teaching according to claim 1 folded projection instrument curtain holder, it is characterised in that：The bottom
Plate（1）The midpoint of bottom is fixedly connected with counterweight riser（30）, the counterweight riser（30）The bottom of the left and right sides is fixed
It is connected with counterweight transverse slat（31）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820306849.5U CN207992672U (en) | 2018-03-06 | 2018-03-06 | A kind of historical teaching folded projection instrument curtain holder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820306849.5U CN207992672U (en) | 2018-03-06 | 2018-03-06 | A kind of historical teaching folded projection instrument curtain holder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207992672U true CN207992672U (en) | 2018-10-19 |
Family
ID=63826436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820306849.5U Expired - Fee Related CN207992672U (en) | 2018-03-06 | 2018-03-06 | A kind of historical teaching folded projection instrument curtain holder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207992672U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109801573A (en) * | 2019-01-23 | 2019-05-24 | 长沙市瑞利网轩文化传播有限公司 | A kind of portable cultural activity integrated service device based on satellite network transmission |
-
2018
- 2018-03-06 CN CN201820306849.5U patent/CN207992672U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109801573A (en) * | 2019-01-23 | 2019-05-24 | 长沙市瑞利网轩文化传播有限公司 | A kind of portable cultural activity integrated service device based on satellite network transmission |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103960916B (en) | There is the baby support of turn over function | |
| CN207992672U (en) | A kind of historical teaching folded projection instrument curtain holder | |
| CN203588657U (en) | Foldable guitar stand | |
| CN106585141B (en) | Marking equipment is used in a kind of weaving of steady type | |
| CN204015511U (en) | Automatic collapsible type same table | |
| CN205947508U (en) | High sunken bed takes precautions against earthquakes | |
| CN105852507B (en) | A kind of shockproof high sunken bed | |
| CN205569696U (en) | Single usefulness in dance room is portable linkage | |
| CN204336542U (en) | Fence driving liftable clothes hanger | |
| WO2019109503A1 (en) | Lifting floor-type airer | |
| CN104146834B (en) | Move bed stretcher | |
| CN208625642U (en) | Tableware places basket and the dish-washing machine with it | |
| CN204139950U (en) | Box-type folding lift | |
| CN202775247U (en) | Multifunctional furniture with combination of bed and bookshelf | |
| CN105942712B (en) | A kind of library is mobile to go back bookshelf | |
| CN205548165U (en) | A device that is used for mattress to store and show | |
| CN204192099U (en) | A kind of folding bed of safety and comfort | |
| CN206026264U (en) | Mop | |
| CN108991858A (en) | A kind of simple lifting snacks frame | |
| CN108825614A (en) | A kind of joinery and its construction of mahogany furniture | |
| CN205054671U (en) | Multifunctional medical swing bed | |
| CN108158232A (en) | A kind of multi-layer combined type shoe rack | |
| CN207613512U (en) | A kind of Foldable soft-bed | |
| CN207498703U (en) | A kind of medical sanitary coverlet dust-extraction unit | |
| CN210845255U (en) | Mahjong machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181019 Termination date: 20190306 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |