CN203897653U - Lifting type chalk holder storage and take-out device - Google Patents
Lifting type chalk holder storage and take-out device Download PDFInfo
- Publication number
- CN203897653U CN203897653U CN201420304943.9U CN201420304943U CN203897653U CN 203897653 U CN203897653 U CN 203897653U CN 201420304943 U CN201420304943 U CN 201420304943U CN 203897653 U CN203897653 U CN 203897653U
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- CN
- China
- Prior art keywords
- guide rail
- guide
- desktop
- wheel
- chalk holder
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- 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
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Abstract
The utility model provides a lifting type chalk holder storage and take-out device, and belongs to the technical field of teaching aids. The lifting type chalk holder storage and take-out device comprises a desktop guide rail which is provided with a sliding plate in a matched mode, a first guide rail arranged below one end of the desktop guide rail, a second guide rail which is arranged on the end portion of the end, away from the desktop guide rail, of the first guide rail, a guide rail connecting plate fixed to the joint of the first guide rail and the second guide rail, a first connecting rod which is connected with a first guide wheel support and a second guide wheel support, a second connecting rod with one end connected to the first connecting rod and the other end connected to the guide rail connecting plate, a storage box fixed to the first guide wheel support, a spring with one end connected to the second guide wheel support and the other end connected to a spring support, a pulley support provided with a pulley, and a thin rope with one end connected to the bottom of the siding plate and the other end connected to the second guide wheel support after penetrating through the pulley, wherein a first guide wheel is arranged on the first guide wheel support, and a second guide wheel is arranged on the second guide wheel support. The lifting type chalk holder storage and take-out device has the advantages of being low in cost, easy to install, capable of saving desktop space, convenient to operate and reliable in motion.
Description
Technical field
The utility model belongs to teaching aid technical field, is specifically related to a kind of lift chalk holder access device.
Background technology
In teaching process, need to use a large amount of chalks when writing on the blackboard, the chalk of writing use is the article of often using in teaching or job placement.The chalk holder of access chalk is of a great variety at present, although all for the ease of the access of chalk, but can not solve the leave about problem of chalk holder on dais, not only bad for the reasonable utilization of platform table space of planes and the taxonomic revision of teaching aid, serious efficiency of teaching and the mood that also can affect teacher.The product of the chalk holder access device designing on existing market is very rare, shifts out even if having also not possess when chalk holder uses, and hides the feature that waits judicial convenience, hommization while use, thereby has restricted the development of dais teaching aid.
In view of above-mentioned prior art, be necessary that the applicant has done useful design for this reason, and has formed technical scheme described below to existing chalk holder access device structure rational modification in addition.
Summary of the invention
Task of the present utility model be to provide a kind of simple in structure, easy for installation, be convenient to chalk holder access, can shift out in use, not use time, hide, thereby can effectively save the lift chalk holder access device of platform table space of planes simultaneously.
Task of the present utility model completes like this, and a kind of lift chalk holder access device, is characterized in: comprise a desktop guide rail, be arranged on the desktop at dais, be equipped with slidably a slide plate on it; One first guide rail, is vertically arranged on the below of described desktop rail length direction one end, has the first guide runner in the middle of it; One second guide rail, is vertically arranged on the end of the first guide rail away from desktop guide rail one end, has the second guide runner in the middle of it; One guide rail splice, is fixed on a side of the first guide rail and the second guide rail junction, and makes L-shaped setting between the first guide rail and the second guide rail; One first connecting rod, one end pivoting is connected with that the first wheel bracket, the other end are pivotally connected the second wheel bracket, on the first described wheel bracket, the first guide wheel is installed, on the second described wheel bracket, the second guide wheel is installed, described the first guide wheel embed in the first described guide runner and both structures for being slidably matched, the second described guide wheel embeds interior and both structures of the second described guide runner for being slidably matched; One second connecting rod, it is pivotally connected on described guide rail splice that one end pivoting is connected to medium position place, the other end of first connecting rod length direction; One storage box, is fixedly mounted on the first described wheel bracket; One spring, its one end is connected on the second described wheel bracket, the other end is connected on a spring support, and described spring support is arranged on the sidepiece of the second guide rail away from guide rail splice one end; One pulley bracket, is arranged on the below of desktop guide rail and is set in parallel with the first described guide rail, and pulley bracket is respectively arranged with a pair of pulley at the upper and lower of short transverse; One cord, bottom, the other end that its one end is connected to described slide plate are connected on the second described wheel bracket after passing a pair of pulley of pulley bracket upper and lower successively.
In a specific embodiment of the present utility model, the first described wheel bracket, the cross sectional shape of the second wheel bracket are cross.
In another specific embodiment of the present utility model, in described storage box, be placed with the chalk holder for depositing chalk.
In another specific embodiment of the present utility model, one magnet is installed on described slide plate, on the desktop at described dais, be provided with metal derby, when described slide plate is when the glide direction of desktop guide rail moves and make magnet on it be close to described metal derby, make described lock for skate board fix on open position both adhesives by the effect of magnetic force.
One of technical scheme that the utility model provides, component number is few, and low cost of manufacture is installed simple; Two, chalk holder can shift out in use, while use hide, effectively saved platform table space of planes, facilitate the taxonomic revision of teaching aid; Three, by the combination of linkage and pulley, make the descending operation of chalk holder very convenient, and can guarantee action reliability.
Brief description of the drawings
Fig. 1 is an example structure figure of the present utility model.
Fig. 2 is the structure chart of the first/the second wheel bracket described in the utility model.
1. desktop guide rail, 11. slide plates, 111. magnet, 12. metal derbies; 2. the first guide rail, 21. first guide runners; 3. the second guide rail, 31. second guide runners; 4. guide rail splice; 5. first connecting rod, 51. first wheel brackets, 511. first guide wheels, 52. second wheel brackets, 521. second guide wheels; 6. second connecting rod; 7. spring, 71. spring supports; 8. cord; 9. storage box; 10. pulley bracket, 101. pulleys.
Detailed description of the invention
Applicant elaborates the mode with embodiment below, but be not all the restriction to the utility model scheme to the description of embodiment, any done according to the utility model design only for pro forma but not substantial equivalent transformation all should be considered as the technical solution of the utility model category.
Refer to Fig. 1, Fig. 2, a kind of lift chalk holder access device, comprises desktop guide rail 1, the first guide rail 2, the second guide rail 3, guide rail splice 4, first connecting rod 5, second connecting rod 6, spring 7, storage box 9, pulley bracket 10 and cord 8.Described desktop guide rail 1 is arranged on the desktop at dais in use, is equipped with slidably a slide plate 11 on it.The first described guide rail 2 is vertically arranged on the below of described desktop guide rail 1 length direction one end, has the first guide runner 21 in the middle of it.The second described guide rail 3 is vertically arranged on the end of the first guide rail 2 away from desktop guide rail 1 one end, has the second guide runner 31 in the middle of it.Described guide rail splice 4 is fixed on a side of the first guide rail 2 and second guide rail 3 both junctions, and makes L-shaped setting between the first guide rail 2 and the second guide rail 3.One end of described first connecting rod 5 is pivotally connected the first wheel bracket 51, the other end is pivotally connected the second wheel bracket 52, the first described wheel bracket 51, the cross sectional shape of the second wheel bracket 52 is unrestricted, preferably be in the present embodiment cross, on the first described wheel bracket 51, the first guide wheel 511 is installed, on the second described wheel bracket 52, the second guide wheel 521 is installed, described the first guide wheel 511 embed in the first described guide runner 21 and both structures for being slidably matched, described the second guide wheel 521 embed in the second described guide runner 31 and both structures for being slidably matched.Pivotally connected medium position place, the other end at first connecting rod 5 length directions in one end of described second connecting rod 6 is pivotally connected on described guide rail splice 4.Described storage box 9 is fixedly mounted on the first described wheel bracket 51, and it can follow sliding up and down and upper and lower displacement of the first wheel bracket 51.One end of described spring 7 is connected on the second described wheel bracket 52, the other end is connected on a spring support 71, and described spring support 71 is arranged on the sidepiece of the second guide rail 3 away from guide rail splice 4 one end.Described pulley bracket 10 is arranged on the below of desktop guide rail 1 and is set in parallel with the first described guide rail 2, and pulley bracket 10 is respectively arranged with a pair of pulley 101 at the upper and lower of short transverse.Bottom, the other end that one end of described cord 8 is connected to described slide plate 11 are connected on the second described wheel bracket 52 after passing a pair of pulley 101 of pulley bracket 10 upper and lowers successively.
Further, one magnet 111 is installed on described slide plate 11, on the desktop at described dais, be provided with metal derby 12, when described slide plate 11 is when the glide direction of desktop guide rail 1 moves and make magnet 111 on it be close to described metal derby 12, make described slide plate 11 be locked in open position both adhesives by the effect of magnetic force.
Please continue to refer to Fig. 1 and Fig. 2, narrate operating principle of the present utility model:
In the time that the teacher on dais need to use the chalk in chalk holder, described slide plate 11 can be slided towards the one end away from the first guide rail 2, at this moment cord 8 drives the second wheel bracket 52 to the right side motion shown in Fig. 1 under the traction of slide plate 11, and at first connecting rod 5, second connecting rod 6 and the first guide wheel 511, under the cooperation of the second guide wheel 521, force the first wheel bracket 51 upwards and towards the direction of desktop guide rail 1 to slide together with storage box 9, in the time that the magnet piece 111 on slide plate 11 slides into close to described metal derby 12, effect by magnetic force makes described slide plate 11 be locked in open position both adhesives, now storage box 9 moves to just due to the slide plate 11 opening part below producing of sliding, teacher just can take out chalk to being equipped with in storage box 9 in the chalk holder of chalk by opening part.
When storage box 9 is not in the time using state, described slide plate 11 can be promoted towards the direction of first guide rail 2 one end, make the magnet 111 on slide plate 11 depart from and coordinate with the metal derby 12 on the desktop of dais, at this moment the second wheel bracket 52 moves to the left side shown in Fig. 1 under the effect of spring 7 restoring forces, and at first connecting rod 5, second connecting rod 6 and the first guide wheel 511, under the cooperation of the second guide wheel 521, force the first wheel bracket 51 to slide together with storage box 9 downwards and towards the direction away from desktop guide rail 1, in the time that slide plate 11 slides into setting position to the first guide rail 2 directions, utilize the compression stress of spring 7 to force the second guide wheel 521 to stop sliding, now above-mentioned opening is sheltered from by slide plate 11, and described storage box 9 is hidden in desktop below.
Claims (4)
1.
a kind of lift chalk holder access device, is characterized in that: comprise a desktop guide rail (1), be arranged on the desktop at dais, be equipped with slidably a slide plate (11) on it; One first guide rail (2), is vertically arranged on the below of described desktop guide rail (1) length direction one end, has the first guide runner (21) in the middle of it; One second guide rail (3), is vertically arranged on the end of the first guide rail (2) away from desktop guide rail (1) one end, has the second guide runner (31) in the middle of it; One guide rail splice (4), is fixed on a side of the first guide rail (2) and both junctions of the second guide rail (3), and makes L-shaped setting between the first guide rail (2) and the second guide rail (3); One first connecting rod (5), one end pivoting is connected with that the first wheel bracket (51), the other end are pivotally connected the second wheel bracket (52), on described the first wheel bracket (51), the first guide wheel (511) is installed, on described the second wheel bracket (52), the second guide wheel (521) is installed, described the first guide wheel (511) embed in described the first guide runner (21) and both structures for being slidably matched, described the second guide wheel (521) embeds interior and both structures of described the second guide runner (31) for being slidably matched; One second connecting rod (6), it is pivotally connected on described guide rail splice (4) that one end pivoting is connected to medium position place, the other end of first connecting rod (5) length direction; One storage box (9), is fixedly mounted on described the first wheel bracket (51); One spring (7), it is upper that the second wheel bracket (52) described in its one end is connected to above, the other end is connected to a spring support (71), and described spring support (71) is arranged on the sidepiece of the second guide rail (3) away from guide rail splice (4) one end; One pulley bracket (10), be arranged on the below of desktop guide rail (1) and be set in parallel with described the first guide rail (2), pulley bracket (10) is respectively arranged with a pair of pulley (101) at the upper and lower of short transverse; One cord (8), bottom, the other end that its one end is connected to described slide plate (11) are connected on described the second wheel bracket (52) after passing a pair of pulley (10) of pulley bracket (10) upper and lower successively.
2.
lift chalk holder access device according to claim 1, is characterized in that described the first wheel bracket (51), the cross sectional shape of the second wheel bracket (52) are cross.
3.
lift chalk holder access device according to claim 1, is characterized in that being placed with the chalk holder for depositing chalk in described storage box (9).
4.
lift chalk holder access device according to claim 1, it is characterized in that, on described slide plate (11), a magnet (111) is installed, on the desktop at described dais, be provided with metal derby (12), when described slide plate (11) is when the glide direction of desktop guide rail (1) moves and make magnet (111) on it be close to described metal derby (12), make described slide plate (11) be locked in open position both adhesives by the effect of magnetic force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420304943.9U CN203897653U (en) | 2014-06-09 | 2014-06-09 | Lifting type chalk holder storage and take-out device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420304943.9U CN203897653U (en) | 2014-06-09 | 2014-06-09 | Lifting type chalk holder storage and take-out device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203897653U true CN203897653U (en) | 2014-10-29 |
Family
ID=51771972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420304943.9U Expired - Fee Related CN203897653U (en) | 2014-06-09 | 2014-06-09 | Lifting type chalk holder storage and take-out device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203897653U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105245854A (en) * | 2015-10-28 | 2016-01-13 | 杨志强 | Elevation type automatic patrolling temperature image monitoring system |
-
2014
- 2014-06-09 CN CN201420304943.9U patent/CN203897653U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105245854A (en) * | 2015-10-28 | 2016-01-13 | 杨志强 | Elevation type automatic patrolling temperature image monitoring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20180609 |