CN203995280U - Type of push and pull up down clipboard and combination clipboard thereof - Google Patents
Type of push and pull up down clipboard and combination clipboard thereof Download PDFInfo
- Publication number
- CN203995280U CN203995280U CN201420435432.0U CN201420435432U CN203995280U CN 203995280 U CN203995280 U CN 203995280U CN 201420435432 U CN201420435432 U CN 201420435432U CN 203995280 U CN203995280 U CN 203995280U
- Authority
- CN
- China
- Prior art keywords
- clipboard
- pulley
- pull
- push
- type
- 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.)
- Active
Links
Landscapes
- Toys (AREA)
Abstract
The utility model discloses a kind of type of push and pull up down clipboard and combination clipboard thereof, relate to teaching aid technical field.Comprise fixed frame and two clipboards, the inside of the left and right sides of described fixed frame is provided with trapped orbit, the trapped orbit on described left side and right side is provided with two groups, the left and right sides of described clipboard is provided with pulley assembly, pulley assembly on front clipboard and front trapped orbit are slidably matched, pulley assembly on rear clipboard and rear trapped orbit are slidably matched, the inside of described fixed frame upper end is provided with electronic-controlled power steering fixed pulley, electronic-controlled power steering fixed pulley is provided with power chain, and the two ends of power chain are connected with clipboard.Described plug-type clipboard has and moves up and down steadily, can effectively prevent screens, easy to use and safe feature.
Description
Technical field
The utility model relates to teaching aid technical field, relates in particular to a kind of type of push and pull up down clipboard being easy to use and combination clipboard thereof.
Background technology
In the lecture theater or meeting room of middle school, university, often use upper and lower push-and-pull clipboard.Be characterized in that clipboard length can customize arbitrarily, write area is large, and plurality of plates face can use by alternatively up and down, avoids frequent erasing characters.Exist problem be, because clipboard length is generally 4 meters of left and right, slide up and down in process, clipboard two ends easily tilt, causing slide has some setbacks, unstable.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of type of push and pull up down clipboard and Combined writing board thereof, and described plug-type clipboard has and moves up and down steadily, can effectively prevent screens, easy to use and safe feature.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of type of push and pull up down clipboard, it is characterized in that: comprise fixed frame and two clipboards, the inside of the described fixed frame left and right sides is respectively equipped with forward and backward two groups of trapped orbits, clipboard is divided into front clipboard and rear clipboard, the left and right sides of clipboard is provided with pulley assembly, the pulley assembly of every side is provided with, lower two, each pulley assembly comprises two pulleys and pulley connecting plate, pulley is separately fixed at the two ends up and down of pulley connecting plate, the center of circle of the center of circle of upper head sheave and lower head sheave is not on same vertical line, each pulley only contacts with the track of a side, the inside of described fixed frame upper end is provided with electronic-controlled power steering fixed pulley, electronic-controlled power steering fixed pulley is provided with power chain, one end of described power chain is fixedly connected with the upper end of front clipboard, the other end of described power chain is fixedly connected with the upper end of rear clipboard.
Further technical scheme is: the upper end of described trapped orbit is provided with backstop buffer stopper, and described backstop buffer stopper uses elastomeric material to make.
Further technical scheme is: every group of trapped orbit comprises two protruding rails that are oppositely arranged, and described pulley is provided with the groove suitable with protruding rail; The downside of described fixed frame is provided with ledge for chalk on blackboard, and the downside of described ledge for chalk on blackboard is provided with chalk ash containers.
Further technical scheme is: described clipboard comprises panel, inner core and backboard, between panel, inner core and backboard, is fixedly connected with by adhesive.
Further technical scheme is: described electronic-controlled power steering fixed pulley is provided with groove, described power chain is steel wire rope, part between the two ends of power chain is positioned at the groove of described electronic-controlled power steering fixed pulley, one end of power chain is fixedly connected with the upper end of front clipboard, and the other end of power chain is fixedly connected with the upper end of rear clipboard.
Further technical scheme is: described electronic-controlled power steering fixed pulley is gear-like, described power chain is chain, power chain and electronic-controlled power steering fixed pulley are suitable, one end of power chain is fixedly connected with the upper end of front clipboard, the other end of power chain is fixedly connected with the upper end of rear clipboard, described type of push and pull up down clipboard also comprises damping mechanism, described damping mechanism comprises that groove and one end of being positioned on described electronic-controlled power steering fixed pulley are fixed on the spring on described fixed frame, the other end of described spring is provided with steel ball, circumference setting is carried out as the center of circle in the center of circle taking described electronic-controlled power steering fixed pulley at described groove interval, described steel ball embeds in described groove under the effect of spring.
Further technical scheme is: the outside of described clipboard is provided with frame, and the lower frame of described clipboard is provided with elongated handle, described lower frame and the one-shot forming of elongated handle mould.
Further technical scheme is: described fixed frame is split-type structural, and four angles of fixed frame are provided with housing cornerite.
Further technical scheme is: described trapped orbit is protruding rail, and described pulley is recessed wheel.
The invention also discloses a kind of type of push and pull up down combination clipboard, it is characterized in that: comprise two the above type of push and pull up down clipboards, described type of push and pull up down clipboard left and right is arranged and is fixedly connected with, the junction of adjacent two type of push and pull up down clipboards is composite rim, the composite rim making that is formed in one, its left and right sides is respectively equipped with two groups of trapped orbits.
The beneficial effect that adopts technique scheme to produce is: 1, security: fixture uses self-tapping screw to fix, and when dismounting, must just can unload by use instrument.2, clipboard thickness: more than clipboard inner core thickness 1cm, clipboard deflection is good, durable, indeformable, writes and does not tremble.3, trapped orbit and fixed frame are the integrated design, protruding formula track, recessed formula pulley, while ensureing that clipboard moves up and down, smooth and easy freely, stable, reliable, not crooked.4, each pulley assembly comprises two recessed formula pulleys, and with the front and back wall scroll protruding rail contact slide of one group of protruding formula track, single recessed formula pulley anti-lock, even if guarantee that track has in the situation of slight deformation, still can smooth and easyly slide respectively.5, clipboard lower frame is furnished with elongated handle, facilitates the upper and lower push-and-pull of clipboard to use.6, the upper end of track is provided with backstop buffer stopper, when clipboard clashes in upper and lower push-and-pull, effectively protects clipboard, plays cushioning effect, reduces noise, improves service life.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the main TV structure schematic diagram of the utility model type of push and pull up down clipboard;
Fig. 2 is the main TV structure schematic diagram of clipboard in Fig. 1;
Fig. 3-Fig. 4 be in Fig. 1 left side and right side fixed frame analyse and observe structure for amplifying schematic diagram;
Fig. 5-Fig. 6 is the fit structure schematic diagram of pulley assembly and fixed rack;
Fig. 7 is the fit structure schematic diagram of fixed frame and fixed pulley;
Fig. 8 is the sectional structure schematic diagram of clipboard;
Fig. 9 is the main TV structure sterogram of type of push and pull up down combination clipboard;
Figure 10 is the fit structure schematic diagram of ledge for chalk on blackboard and fixed frame;
Figure 11 is the structural representation of composite rim;
Figure 12 is a kind of structural representation of electronic-controlled power steering fixed pulley;
Figure 13 is the fit structure schematic diagram of electronic-controlled power steering fixed pulley and damping mechanism;
Wherein: 1, fixed frame 2, clipboard 3, trapped orbit 4, pulley assembly 41, pulley 42, pulley connecting plate 5 electronic-controlled power steering fixed pulleys 6, backstop buffer stopper 7, ledge for chalk on blackboard 8, chalk ash containers 9, panel 10, inner core 11, backboard 12, power chain 13, elongated handle 14, housing cornerite 15, composite rim 16, groove 17, spring 18, steel ball.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
A lot of details are set forth in the following description so that fully understand the utility model, but the utility model can also adopt other to be different from alternate manner described here and implement, those skilled in the art can do similar popularization without prejudice to the utility model intension in the situation that, and therefore the utility model is not subject to the restriction of following public specific embodiment.
As Figure 1-Figure 4, the utility model discloses a kind of type of push and pull up down clipboard, comprise fixed frame 1 and two clipboards 2, the inside of described fixed frame 1 left and right sides is respectively equipped with forward and backward two groups of trapped orbits 3; Clipboard 2 is divided into front clipboard and rear clipboard, and the left and right sides of clipboard is provided with pulley assembly 4, and the pulley assembly 4 of every side is provided with upper and lower two, and every group of trapped orbit comprises two protruding rails that are oppositely arranged, and described pulley is provided with the groove suitable with protruding rail.
As shown in Fig. 5-Fig. 6, each pulley assembly 4 comprises two pulleys 41 and pulley connecting plate 42, pulley 41 is separately fixed at the two ends up and down of pulley connecting plate 42, the center of circle of the center of circle of upper head sheave 41 and lower head sheave 41 is not on same vertical line, 41, each pulley contacts with the track of a side, and the inside of described fixed frame 1 upper end is provided with electronic-controlled power steering fixed pulley 5, single recessed formula pulley anti-lock, even if guarantee that track has in the situation of slight deformation, still can smooth and easyly slide.
As shown in Figure 7, electronic-controlled power steering fixed pulley 5 is provided with power chain 12, and one end of described power chain 12 is fixedly connected with the upper end of front clipboard, and the other end of described power chain 12 is fixedly connected with the upper end of rear clipboard.The utility model is upper and lower push-pull configuration, fixed frame and trapped orbit integrated design, and the fixed pulley group on clipboard, in the inside of fixed frame, does not expose, easy to assembly, uses safety.Basic size: 3000mm × 1200mm(alternatively up and down), and can adjust according to school's actual conditions, when the upper and lower push-and-pull of clipboard, left and right does not tilt, does not rock front and back, and push-and-pull is easily smooth and easy, noiselessness.
Fixed frame: framework and trapped orbit integrated design, effectively improve the security that product uses, can effectively protect built-in track, make the track can not to be subject to external force collision and cause distortion, easy to assembly.The general champagne aluminium alloy extrusions that adopts, surface is through oxide covering processing, durable in use, anticorrosive, and aluminium alloy extrusions is without scuffing, no color differnece, its color and luster is soft, can not be reflective, and without light pollution, protection student eyesight, can ensure teaching efficiency better.
Fixed frame inside is generally provided with reinforcement, has increased the hardness of clipboard entirety, good sealing effect, humidity resistance is good, safe and reliable, durable in use, do not come off, indeformable, anticorrosive.The lower end of fixed frame is provided with ledge for chalk on blackboard 7, as shown in figure 10: general width is 70mm-120mm, wall thickness 1.0mm, ledge for chalk on blackboard and frame adopt embedded be connected with frame shape in aggregates, integrated design, firm and reliable connection, color and luster is consistent, ledge for chalk on blackboard termination is provided with shutoff (ABS engineering plastics), installs and does not firmly come off.Can collect dust, place the realias such as blackboard eraser, chalk.Adopt the manufacture craft identical with frame, senior sub-light champagne aluminium alloy, has integrated effect.
Chalk ash containers 8 is provided with 1, is arranged under ledge for chalk on blackboard, for storing chalk powder, can dismantle, and clean very convenient, practicality is good.Chalk ash containers adopts antifatigue ABS engineering plastics, mould one-shot forming.Chalk ash containers structural design is ingenious, and pull-out edge termination is provided with the head of stumbling, and insertion or taking-up box are very convenient, can prevent that the box of drawer type from skidding off easily simultaneously.
Cornerite: four jiaos of fixed frame adopt anti-aging, antifatigue, the explosion-proof plastics of high strength ABS engineering, mould one-shot forming, anti-impact force is strong, wear-resisting, difficult broken.Plate face is after 10,000 wiping examinations, and surface roughness is not less than Ra1.6um, or on average uses in 5 years, and plate face friction does not have significant change.The nondiscolouring when warm water (40 DEG C) that plate face contains washing agent and disinfectant in use is cleaned, without excoriation, service life is more than 15 years; In 5 years, can not be distorted, bubble because of air temperature variations distortion, mouldy, get rusty, finish paint comes off.
As shown in Figure 8, clipboard 2 comprises panel 9, inner core 10 and backboard 11, between panel, inner core and backboard, is fixedly connected with by adhesive.Panel: adopting thickness is 0.4mm steel plate with baking paint, forms through hot setting, and color is blackish green, surface is careful bright and clean, fluent writing, impact resistance, wearing and tearing, scraping, colour-fast, service life is more than 15 years.Common chalk-writing, with diaphragm, is used in surface, and evenly, writing is clear in notes, and easy-to-write and erasable is not reflective, indeformable, and whole plate, without splicing, is effectively protected student eyesight.Inner core: adopt high-strength honeycomb paperboard, thickness 10 mm-40mm, surface layer is smooth, without folding line, indeformable, the strong and environmental protection of sound-absorbing.Plate surface hardness is good, durable, indeformable, and while writing, plate face does not tremble.Backboard: adopting thickness is 0.3mm galvanized sheet, and plate face is smooth, and coating is firm, smooth and even, and whole plate is without splicing.Adhesive: adopt anticorrosion, antirust, moistureproof clipboard dedicated adhesive agent, glue and firm, durable in use, never shelling, indices all reaches national requirements for environmental protection.Formaldehyde limitation meets GB28231-2011 " clipboard safety and health request ".
The easily property write: clipboard plate face is write feel smoothness, frictional force appropriateness, person's handwriting is even, and writing is clear, watches apart from 1 meter of, and svelteness, watches apart from 8 meters of, and lines are still distinct.Easily wiping property: the mark of not writeeing down characters after twice of the reciprocal wiping of dry type blackboard eraser, available moist rag wiping, as before brand-new after wiping.Elongated handle: clipboard lower frame is furnished with elongated handle, facilitates the upper and lower push-and-pull of clipboard to use.
Pulley: pulley is evenly installed in the left and right sides of clipboard.Every clipboard is provided with 4 groups of pulleys, runs among track.Pulley plays left and right, location, front and back, and slides up and down effect.In the time that clipboard moves up and down, there is good synchronizing function, can prevent that clipboard from tilting, rocking, and prevents noise.Pulley adopts import carbon steel material bearing, is marked with the collar that anti abrasive polyester material is made on bearing, wear-resistant, good springiness, noiselessness, and serviceability temperature scope-40 are DEG C to 60 DEG C, low temperature resistant, anti-aging.
The both upper ends thereof of trapped orbit is provided with backstop buffer stopper; can effectively prevent writing board edge frame and fixed frame direct collision, backstop buffer stopper adopts high-quality (NR) rubber, has elasticity; in the time that upper and lower push-and-pull is clashed into, can effectively reduce noise, protection clipboard and kinematic system.
Transmission between two clipboards has two kinds of modes: the first, described electronic-controlled power steering fixed pulley 5 is provided with groove, described power chain 12 is steel wire rope, part between the two ends of power chain 12 is positioned at the groove of described electronic-controlled power steering fixed pulley, one end of power chain 12 is fixedly connected with the upper end of front clipboard, and the other end of power chain 12 is fixedly connected with the upper end of rear clipboard.
The second, described electronic-controlled power steering fixed pulley 5 is gear-like, described power chain 12 is chain, power chain 12 is suitable with electronic-controlled power steering fixed pulley, one end of power chain 12 is fixedly connected with the upper end of front clipboard, and the other end of power chain 12 is fixedly connected with the upper end of rear clipboard.In the time of the second situation, described type of push and pull up down clipboard also comprises damping mechanism, the damping force of rotating in order to increase described electronic-controlled power steering fixed pulley 5, prevent two clipboards because of quality unequal, under the effect of gravity from line slip, described damping mechanism comprises that groove 16 and one end of being positioned on described electronic-controlled power steering fixed pulley 5 are fixed on the spring 17 on described fixed frame 1, the other end of described spring 17 is provided with steel ball 18, circumference setting is carried out as the center of circle in the center of circle taking described electronic-controlled power steering fixed pulley 5 at described groove 16 intervals, described steel ball 18 embeds in described groove 16 under the effect of spring 17.
Push-and-pull is smooth and easy, and pulley structure design is very reasonable, and connecting axle is positioned at the center of pulley, and load-bearing is evenly distributed, and can ensure that pulley is in the time sliding, stable, not run-off the straight.
Squeeze phenomenon, noiselessness without card: the first, clipboard bottom is furnished with ledge for chalk on blackboard, easy cleaning dust foreign matter; Pulley and track inwall leave gap, even if clipboard has a little skew, also there will not be card to squeeze phenomenon.The second, the inner imported bearing that adopts of pulley, the anti abrasive polyester material injection moulding of outside employing, noise is very little.
Good stability: the first, leave suitable gap between pulley and track, can ensure the smooth and easy slip of pulley above-below direction, and rock before and after not understanding; Pulley and track upper inner wall leave the gap that is less than 1mm-2mm, can ensure that fixed pulley can not have obvious displacement in the horizontal direction, i.e., when the stressed push-and-pull of clipboard, a side can perk.The second, due to the increase of fixed pulley quantity, the pressure that single pulley is born is less, bears in the certain situation of gravity, has reduced the tear strength of single pulley, increase the service life of pulley, improved security, stability and the service life of clipboard.
Backstop buffer stopper: be furnished with multiple top-quality rubber buffer stoppers, be arranged on respectively the housing inner face of track both upper ends thereof, in the time that the upper and lower push-and-pull of clipboard is clashed into; can effectively reduce noise; protection clipboard, clipboard exposed parts all has fillet processing, can scratching fingers.
Fixture is safe and reliable: fixture all uses self-tapping screw to be fixed on frame; when dismounting; must just can unload by use instrument (screwdriver); meet in GB28231-2011 " clipboard safety and health request " 6.7 requirement-under the condition that there is no instrument; removable section comprises that the guard member of end face and decoration all can not be removed; avoid student fixture can be pulled down with hand, cause potential safety hazard.Clipboard adopts stealthy installation, cannot see a bolt, screw from clipboard front, meets indoor arrangement, and overall appearance is installed firmly.
Above-mentioned type of push and pull up down clipboard forms the basic composition unit of combination clipboard, that is to say, combination clipboard can comprise plural above-mentioned type of push and pull up down clipboard, as shown in Figure 9, described type of push and pull up down clipboard left and right is arranged and is fixedly connected with, and the junction of adjacent two type of push and pull up down clipboards is composite rim, as shown in figure 11, composite rim 15 making that is formed in one, its left and right sides is respectively equipped with two groups of trapped orbits.
To sum up, described clipboard and combination clipboard thereof have following features: 1, security: fixture uses self-tapping screw to fix, and when dismounting, must just can unload by use instrument.2, clipboard thickness: more than clipboard inner core thickness 1cm, clipboard deflection is good, durable, indeformable, writes and does not tremble.3, trapped orbit and fixed frame are the integrated design, protruding formula track, recessed formula pulley, while ensureing that clipboard moves up and down, smooth and easy freely, stable, reliable, not crooked.4, each pulley assembly comprises two recessed formula pulleys, and with the front and back wall scroll protruding rail contact slide of one group of protruding formula track, single recessed formula pulley anti-lock, even if guarantee that track has in the situation of slight deformation, still can smooth and easyly slide respectively.5, clipboard lower frame is furnished with elongated handle, facilitates the upper and lower push-and-pull of clipboard to use.6, the upper end of track is provided with backstop buffer stopper, when clipboard clashes in upper and lower push-and-pull, effectively protects clipboard, plays cushioning effect, reduces noise, improves service life.
Claims (10)
1. a type of push and pull up down clipboard, is characterized in that: comprise fixed frame (1) and two clipboards (2), the inside of described fixed frame (1) left and right sides is respectively equipped with forward and backward two groups of trapped orbits (3), clipboard (2) is divided into front clipboard and rear clipboard, the left and right sides of clipboard is provided with pulley assembly (4), the pulley assembly (4) of every side is provided with, lower two, each pulley assembly (4) comprises two pulleys (41) and pulley connecting plate (42), pulley (41) is separately fixed at the two ends up and down of pulley connecting plate (42), the center of circle of the center of circle of upper head sheave (41) and lower head sheave (41) is not on same vertical line, each pulley (41) only contacts with the track of a side, the inside of described fixed frame (1) upper end is provided with electronic-controlled power steering fixed pulley (5), electronic-controlled power steering fixed pulley (5) is provided with power chain (12), one end of described power chain (12) is fixedly connected with the upper end of front clipboard, the other end of described power chain (12) is fixedly connected with the upper end of rear clipboard.
2. type of push and pull up down clipboard according to claim 1, is characterized in that: the upper end of described trapped orbit (3) is provided with backstop buffer stopper (6), and described backstop buffer stopper (6) uses elastomeric material to make.
3. type of push and pull up down clipboard according to claim 1, is characterized in that: every group of trapped orbit comprises two protruding rails that are oppositely arranged, and described pulley is provided with the groove suitable with protruding rail; The downside of described fixed frame is provided with ledge for chalk on blackboard (7), and the downside of described ledge for chalk on blackboard is provided with chalk ash containers (8).
4. type of push and pull up down clipboard according to claim 1, it is characterized in that: described clipboard (1) comprises panel (9), inner core (10) and backboard (11), between panel (9), inner core (10) and backboard (11), be fixedly connected with by adhesive.
5. type of push and pull up down clipboard according to claim 1, it is characterized in that: described electronic-controlled power steering fixed pulley (5) is provided with groove, described power chain (12) is steel wire rope, part between the two ends of power chain (12) is positioned at the groove of described electronic-controlled power steering fixed pulley, one end of power chain (12) is fixedly connected with the upper end of front clipboard, and the other end of power chain (12) is fixedly connected with the upper end of rear clipboard.
6. type of push and pull up down clipboard according to claim 1, it is characterized in that: described electronic-controlled power steering fixed pulley (5) is gear-like, described power chain (12) is chain, power chain (12) is suitable with electronic-controlled power steering fixed pulley, one end of power chain (12) is fixedly connected with the upper end of front clipboard, and the other end of power chain (12) is fixedly connected with the upper end of rear clipboard; Described type of push and pull up down clipboard also comprises damping mechanism, described damping mechanism comprises that groove (16) and one end of being positioned on described electronic-controlled power steering fixed pulley (5) are fixed on the spring (17) on described fixed frame (1), the other end of described spring (17) is provided with steel ball (18), circumference setting is carried out in the center of circle taking described electronic-controlled power steering fixed pulley (5) at described groove (16) interval as the center of circle, described steel ball (18) embeds in described groove (16) under the effect of spring (17).
7. type of push and pull up down clipboard according to claim 1, is characterized in that: the outside of described clipboard (2) is provided with frame, and the lower frame of described clipboard (2) is provided with elongated handle (13).
8. type of push and pull up down clipboard according to claim 1, is characterized in that: described fixed frame (1) is split-type structural, and four angles of fixed frame (1) are provided with housing cornerite (14).
9. type of push and pull up down clipboard according to claim 1, is characterized in that: described trapped orbit (3) is protruding rail, and described pulley (41) is recessed wheel.
10. a type of push and pull up down combination clipboard, it is characterized in that: comprise two above type of push and pull up down clipboards as described in claim 1-9, described type of push and pull up down clipboard left and right is arranged and is fixedly connected with, the junction of adjacent two type of push and pull up down clipboards is composite rim (15), the composite rim making that is formed in one, its left and right sides is respectively equipped with two groups of trapped orbits (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420435432.0U CN203995280U (en) | 2014-08-04 | 2014-08-04 | Type of push and pull up down clipboard and combination clipboard thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420435432.0U CN203995280U (en) | 2014-08-04 | 2014-08-04 | Type of push and pull up down clipboard and combination clipboard thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203995280U true CN203995280U (en) | 2014-12-10 |
Family
ID=52035335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420435432.0U Active CN203995280U (en) | 2014-08-04 | 2014-08-04 | Type of push and pull up down clipboard and combination clipboard thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203995280U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107139610A (en) * | 2017-07-06 | 2017-09-08 | 安徽理工大学 | A kind of type of push and pull up down high-efficiency self-cleaning blackboard |
| CN115042547A (en) * | 2022-06-14 | 2022-09-13 | 淄博职业学院 | Intelligent mathematical teaching auxiliary device for mathematical teaching |
| WO2023165023A1 (en) * | 2022-03-03 | 2023-09-07 | 深圳市灵畅互动科技有限公司 | Push-pull type capacitive whiteboard writing system |
-
2014
- 2014-08-04 CN CN201420435432.0U patent/CN203995280U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107139610A (en) * | 2017-07-06 | 2017-09-08 | 安徽理工大学 | A kind of type of push and pull up down high-efficiency self-cleaning blackboard |
| WO2023165023A1 (en) * | 2022-03-03 | 2023-09-07 | 深圳市灵畅互动科技有限公司 | Push-pull type capacitive whiteboard writing system |
| CN115042547A (en) * | 2022-06-14 | 2022-09-13 | 淄博职业学院 | Intelligent mathematical teaching auxiliary device for mathematical teaching |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203995280U (en) | Type of push and pull up down clipboard and combination clipboard thereof | |
| CN203995274U (en) | A kind of monolithic lifting multimedia clipboard | |
| CN102785512A (en) | Dust-free environment-friendly combined multimedia teaching board | |
| CN203902051U (en) | Movable type environmentally-friendly teaching board | |
| CN202716627U (en) | Dust-free environment-friendly combined multi-media teaching board | |
| CN201931848U (en) | Blackboard screen glass | |
| CN203818839U (en) | Multimedia pull-push blackboard | |
| CN202391043U (en) | Buckling type partition wall device | |
| CN203221779U (en) | Enamel projection-writing white board | |
| CN203296329U (en) | Improved wood floor board with super resistance to abrasion | |
| CN202507772U (en) | Silver grey matte projection writing board | |
| CN2841355Y (en) | The multimedia teaching blackboard | |
| CN202480655U (en) | Tetra-compound moisture-proof dry-erasing writing board | |
| CN211496536U (en) | Hidden sill guide assembly for elevator | |
| CN201989486U (en) | Dry erasing writing board | |
| CN201501214U (en) | Multifunctional electric and magnetic blackboard | |
| CN202413110U (en) | Rolling type dustless cleaning-free blackboard | |
| CN214614800U (en) | Rail type decoration white board device | |
| CN206641609U (en) | A kind of multifunctional table | |
| CN203818844U (en) | Dustless writing blue board | |
| CN204236085U (en) | Novel free wipes teaching tablet | |
| CN202169814U (en) | Blackboard easy to clean | |
| CN202151972U (en) | Blackboard | |
| CN203995272U (en) | Left and right plug-type multimedia composite writing board system | |
| CN204263799U (en) | One can accurate erasing eraser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 052160 No.6 Fengchan Road, Shijiazhuang Economic and Technological Development Zone, Hebei Province Patentee after: Shijiazhuang Keda Education Equipment Co.,Ltd. Address before: 052160 No.6 Fengchan Road, Shijiazhuang Economic and Technological Development Zone, Hebei Province Patentee before: SHIJIAZHUANG KEDA STATIONERY Co.,Ltd. |