CN210865338U - Liftable sand table show stand - Google Patents
Liftable sand table show stand Download PDFInfo
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- CN210865338U CN210865338U CN201922081907.6U CN201922081907U CN210865338U CN 210865338 U CN210865338 U CN 210865338U CN 201922081907 U CN201922081907 U CN 201922081907U CN 210865338 U CN210865338 U CN 210865338U
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- sand table
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Abstract
The utility model discloses a liftable sand table display platform, which comprises a simulation sand table box with an open top, a cover plate covering the simulation sand table box and a pulley structure arranged at the bottom of the simulation sand table box, wherein a lifting device is arranged in the simulation sand table box, a sand table platform is arranged at the top of the lifting device, and the sand table platform is in sliding fit with the inner wall of the simulation sand table box; the lifting device comprises an upper end supporting seat fixedly connected with the sand table platform, a lower end supporting seat fixedly connected to the bottom wall of the simulation sand table box, and a folding support located on two sides of the middle position of the upper end supporting seat and the middle position of the lower end supporting seat and respectively connected with the upper end supporting seat and the lower end supporting seat. The utility model discloses a liftable sand table show stand can descend the sand table platform and hide, protects the sand table platform when the sand table show stand shifts or is idle.
Description
Technical Field
The utility model relates to a sand table model technical field, in particular to liftable sand table show stand.
Background
In the teaching practice of management course, the teacher still more adopts the explanation mode of traditional classroom dictation or the mode of drawing on the blackboard to explain, and the student lacks the experience of practice and is difficult to produce deep understanding to the knowledge of studying, and the teacher also takes the time of a large amount of class of continuous drawing when explaining, and the student is alone can't reach anticipated effect far away through teacher's explanation like this, consequently need be with the help of some teaching aids.
In geography teaching, more and more attach importance to the training of student, experience formula teaching method, it adopts the material object deduction mode to teach the student to have school at present, but most simulation sand table for the convenience of teacher's explanation, student observe, transparent safety cover is often not established to the simulation sand table, directly exposes externally, but sets up very easy accident like this and collides with the damage, influences the accuracy of simulation sand table, and then influences the demonstration effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a liftable sand table show stand, it can descend the sand table platform and hide, protects the sand table platform when the sand table show stand shifts or is idle.
The above object of the present invention can be achieved by the following technical solutions:
a liftable sand table display platform comprises a simulation sand table box with an open top, a cover plate covering the simulation sand table box and a pulley structure arranged at the bottom of the simulation sand table box, wherein a lifting device is arranged inside the simulation sand table box, a sand table platform is arranged at the top of the lifting device, and the sand table platform is in sliding fit with the inner wall of the simulation sand table box; the lifting device comprises an upper end supporting seat fixedly connected with the sand table platform, a lower end supporting seat fixedly connected to the bottom wall of the simulation sand table box, and a folding support located on two sides of the middle position of the upper end supporting seat and the middle position of the lower end supporting seat and respectively connected with the upper end supporting seat and the lower end supporting seat.
By adopting the technical scheme, the folding bracket performs lifting motion, so that the height of the sand table platform is adjusted, and on one hand, the height of the sand table platform can be adjusted by combining with the field situation, so that the teaching of teachers is facilitated; on the other hand when the sand table platform was idle, can fall back in the simulation sand table box, protect the sand table platform through apron and simulation sand table box to collision damage avoids.
The utility model discloses further set up to: the folding support comprises two sets of vertical and relatively-arranged hinged frames, each hinged frame is composed of a first connecting rod and a second connecting rod, the center of each hinged frame is hinged to the corresponding lower end supporting seat, one end of each first connecting rod is connected with the corresponding upper end supporting seat in a sliding mode, one end of each second connecting rod is hinged to the corresponding upper end supporting seat, one end of each second connecting rod is connected with the corresponding lower end supporting seat in a sliding mode, the second connecting rods are connected with one ends of the corresponding lower end supporting seats in a sliding.
Through adopting above-mentioned technical scheme, promote the second connecting rod through first electric putter and slide, make the second connecting rod rotate around articulated department to adjust folding support's length.
The utility model discloses further set up to: and sliding rails for the second connecting rod and the first connecting rod to slide are respectively arranged on the lower end supporting seat and the upper end supporting seat.
Through adopting above-mentioned technical scheme, through the slip direction of slide rail restriction first connecting rod and second connecting rod, make it slide along the slide rail.
The utility model discloses further set up to: the hinged parts of the two groups of oppositely arranged hinged frames are connected through reinforcing rods, and the reinforcing rods are rotatably connected at the hinged parts.
Through adopting above-mentioned technical scheme, increase elevating gear's intensity and stability through the stiffener.
The utility model discloses further set up to: a mounting shell is arranged on one side of the simulation sand table box, a movable pipeline is mounted in the mounting shell, a plurality of nozzles are distributed on the movable pipeline at intervals along the axial direction of the movable pipeline, and the nozzles are communicated with the interior of the simulation sand table box; the dust collecting box is detachably connected to one side, opposite to the mounting shell, of the simulation sand box, a ventilation opening is formed in the dust collecting box, and a filter screen is mounted on the ventilation opening.
By adopting the technical scheme, after the cover plate is covered on the simulation sand table box, the inside of the simulation sand table box is in a relatively closed state, at the moment, the small fan is started, and the air flow automatically removes dust and cleans the inside of the simulation sand table box and the sand table platform, so that extra labor is not required to be occupied, and the cleaning is more convenient; and the inside of the simulation sand table box is in a relatively closed state, the airflow carries dust and finally flows into the dust collection box, the airflow flows out from the ventilation opening, the dust is blocked by the filter screen, and the dust collection box is detached and dumped after the dust is accumulated to a certain degree.
The utility model discloses further set up to: the movable pipeline is rotatably installed in the installation shell, one end of the movable pipeline is connected with the fan through a hose, the other end of the movable pipeline is sealed and connected with an adjusting component which drives the spraying angle of the movable pipeline to change periodically through meshing of a gear and a rack.
The utility model discloses further set up to: the adjusting assembly comprises a second electric push rod, a rack and a gear, the gear is fixed at the closed end of the movable pipeline, the rack is horizontally and fixedly connected at the output end of the second electric push rod, and the gear are meshed for transmission.
By adopting the technical scheme, the second electric push rod drives the rack to do reciprocating linear motion, the reciprocating motion of the rack can drive the movable pipeline to do periodic motion of positive rotation and reverse rotation, and when the movable pipeline does the positive rotation and reverse rotation continuously, the jet angle of the air flow can be changed continuously, so that the cleaning area of the movable pipeline is increased.
To sum up, the utility model discloses following beneficial effect has:
1. by lifting the sand table platform, on one hand, the height of the sand table platform can be adjusted, which is beneficial to teaching of teachers, and on the other hand, the sand table platform can be hidden in the simulation sand table box, and the sand table platform is protected by the cover plate and the simulation sand table box so as to avoid collision damage;
2. through setting up clearance mechanism, clearance mechanism carries out automatic dust removal clearance to simulating inside and the sand table platform of sand disk box automatically, need not occupy extra manual work, and the clearance is more convenient.
Drawings
FIG. 1 is a schematic structural view of an embodiment;
FIG. 2 is a schematic structural view of the lifting device in the embodiment;
FIG. 3 is a schematic structural view of a cleaning mechanism in the embodiment.
In the figure, 1, simulating a sand box; 11. a cover plate; 12. a support plate; 13. a universal wheel; 2. a lifting device; 21. an upper end supporting seat; 211. a first slide rail; 22. folding the bracket; 221. a first link; 222. a second link; 223. a first slide bar; 224. a second slide bar; 23. a lower end support seat; 231. a second slide rail; 24. a connecting pipe; 25. a first electric push rod; 26. a reinforcing bar; 3. a sand table platform; 4. mounting a shell; 5. a cleaning mechanism; 6. a movable duct; 61. a nozzle; 62. a hose; 7. an adjustment assembly; 71. a second electric push rod; 72. a rack; 73. a gear.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): a liftable sand table display stand is shown in figure 1 and comprises a simulation sand table box 1 which is rectangular in shape, wherein the top of the simulation sand table box 1 is open and is covered by a cover plate 11 for sealing the simulation sand table box 1; the simulation sand box 1 is installed on the layer board 12, and four universal wheels 13 that take the auto-lock are installed to the bottom of layer board 12, and the pushing hands is installed to the lateral wall of simulation sand box 1 to people transfer simulation sand box 1.
Inside elevating gear 2 that is provided with of simulation sand magazine 1, the sand table platform 3 that is used for the demonstration is installed at elevating gear 2's top, sand table platform 3 and 1 inner wall sliding fit of simulation sand magazine. As shown in fig. 2, the lifting device 2 comprises an upper end support seat 21, a folding bracket 22, a lower end support seat 23, a connecting pipe 24, a first electric push rod 25 and a reinforcing rod 26, wherein the upper end support seat 21 and the lower end support seat 23 are rectangular, are arranged oppositely, and have the same length direction as the simulation sand box 1; the upper end supporting seat 21 is fixedly connected with the sand table platform 3, and the lower end supporting seat 23 is fixed on the bottom wall of the simulation sand table box 1.
The folding bracket 22 comprises two sets of vertical and opposite hinged frames, each hinged frame is composed of a first connecting rod 221 and a second connecting rod 222, the centers of the first connecting rods 221 are hinged to the lower end support base 23, one end, close to the lower end support base 23, of each first connecting rod 221 is hinged to the lower end support base 23, and one end, close to the upper end support base 21, of each first connecting rod 221 is connected with the upper end support base 21 in a sliding mode through a first sliding rod 223. The upper end support base 21 is fixedly connected with a first slide rail 211 for sliding a first slide bar 223, and the length direction of the first slide rail 211 is the same as the length direction of the upper end support base 21.
One end of the second link 222 close to the lower end support 23 is slidably connected to the lower end support 23 through a second slide bar 224, a second slide rail 231 for sliding the second slide bar 224 is fixedly connected to the lower end support 23, and the length direction of the second slide rail 231 is the same as the length direction of the lower end support 23. One end of the second link 222 near the upper end support seat 21 is hinged to the upper end support seat 21.
The connecting tube 24 and the reinforcing bar 26 are located between the folding brackets 22, and the reinforcing bar 26 is pivotally connected at the hinge of the first link 221 and the second link 222. The two ends of the connecting tube 24 are respectively sleeved on the second sliding rods 224 of the two hinged brackets and rotatably mounted between the folding brackets 22.
One end of the first electric push rod 25 is hinged to the side wall of one end of the lower end supporting seat 23 in the length direction, the other end of the first electric push rod is fixedly connected with the connecting pipe 24, the connecting pipe 24 is pushed to move through the change of the length of the first electric push rod 25, so that the second connecting rod 222 is driven to move, the folding support 22 is driven to do lifting motion, the height adjustment of the sand table platform 3 is realized, and therefore, on one hand, the height of the sand table platform 3 can be adjusted in combination with the field situation, and the teaching of teachers; on the other hand when sand table platform 3 was idle, can fall back in simulation sand box 1, protect sand table platform 3 through apron 11 and simulation sand box 1 to collision damage avoids.
After the sand table platform 3 is used for a long time, dust can be accumulated on a sand table model, furthermore, a relief opening is formed in the wide side of the simulation sand table box 1, an installation shell 4 is arranged at the relief opening, a cleaning mechanism 5 is arranged in the installation shell 4, the cleaning mechanism 5 comprises a movable pipeline 6, a plurality of nozzles 61 are axially distributed on the movable pipeline 6 at intervals, the nozzles 61 are fan-shaped nozzles, the movable pipeline 6 is rotatably installed in the installation shell 4 through a bearing seat, and the movable pipeline 6 is parallel to the wide side of the simulation sand table box 1; the side of the mounting shell 4 facing the inside of the simulated sand box 1 is open, so that the nozzle 61 of the movable pipe 6 is communicated with the simulated sand box 1.
One end of the movable pipeline 6 is connected with a hose 62, and is connected with a small fan through the hose 62; the other end of the movable pipeline 6 is closed, and is connected with an adjusting assembly 7 for driving the spraying angle of the movable pipeline to change periodically, the adjusting assembly 7 comprises a second electric push rod 71, a rack 72 and a gear 73, wherein the gear 73 is fixed at the closed end of the movable pipeline 6, the rack 72 is horizontally and fixedly connected at the output end of the second electric push rod 71, the second electric push rod 71 is fixed in the mounting shell 4 and is parallel to the long side of the simulation sand box 1, and the gear 73 and the teeth are meshed for transmission.
The bottom of one side of the simulated sand disk box 1 opposite to the installation shell 4 is detachably connected with a dust collection box, and the dust collection box and the simulated sand disk box 1 can be fixedly connected through bolts or can be in sliding clamping connection with a slide block slide way; the dust collecting box is also provided with a vent, and the vent is provided with a filter screen.
After the cover plate 11 is covered on the simulation sand box 1, the interior of the simulation sand box 1 is in a relatively closed state, at the moment, the small fan and the second electric push rod 71 are started, the second electric push rod 71 drives the rack 72 to do reciprocating linear motion, the reciprocating motion of the rack 72 drives the movable pipeline 6 to do periodic motion of positive rotation and reverse rotation, when the movable pipeline 6 does not constantly do the positive rotation and the reverse rotation, the jet angle of the air flow can be continuously changed, automatic dust removal and cleaning are performed on the interior of the simulation sand box 1 and the sand table 3, extra labor is not needed, and cleaning is more convenient; and the inside relative confined state that is in of simulation sand box 1, the air current carries the dust and finally flows to in the dust collection box, and the air current flows out from the vent, and the filter screen blocks the dust, and it can to empty to pull down the dust collection box after the dust is long-pending to a certain extent.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a liftable sand table show stand, includes open simulation sand table box in top (1), lid and establishes apron (11) on simulation sand table box (1) and install the pulley structure in simulation sand table box (1) bottom, its characterized in that: a lifting device (2) is arranged in the simulated sand box (1), a sand table platform (3) is arranged at the top of the lifting device (2), and the sand table platform (3) is in sliding fit with the inner wall of the simulated sand box (1); elevating gear (2) include with sand table platform (3) fixed connection's upper end supporting seat (21), lower extreme supporting seat (23) of rigid coupling on simulation sand magazine (1) diapire, be located upper end supporting seat (21) and lower extreme supporting seat (23) intermediate position both sides respectively with upper end supporting seat (21) and folding support (22) that lower extreme supporting seat (23) link to each other.
2. A liftable sand table display stand according to claim 1, characterized in that: folding support (22) include the articulated frame of two sets of vertical and relative settings, and articulated frame comprises center articulated first connecting rod (221) and second connecting rod (222), first connecting rod (221) one end is articulated with lower extreme supporting seat (23), one end and upper end supporting seat (21) sliding connection, second connecting rod (222) one end is articulated with upper end supporting seat (21), one end and lower extreme supporting seat (23) sliding connection, second connecting rod (222) link to each other through connecting pipe (24) with lower extreme supporting seat (23) sliding connection's one end, be provided with on lower extreme supporting seat (23) and promote connecting pipe (24) gliding electric putter (25).
3. A liftable sand table display stand according to claim 2, characterized in that: and sliding rails for sliding the second connecting rod (222) and the first connecting rod (221) are respectively arranged on the lower end supporting seat (23) and the upper end supporting seat (21).
4. A liftable sand table display stand according to claim 2, characterized in that: the joints of the two groups of oppositely arranged hinged frames are connected through a reinforcing rod (26), and the reinforcing rod (26) is rotatably connected at the joints.
5. A liftable sand table display stand according to claim 1, characterized in that: a mounting shell (4) is arranged on one side of the simulation sand box (1), a movable pipeline (6) is mounted in the mounting shell (4), a plurality of nozzles (61) are distributed on the movable pipeline (6) at intervals along the axial direction of the movable pipeline, and the nozzles (61) are communicated with the inside of the simulation sand box (1); the dust collecting box is detachably connected to one side, opposite to the mounting shell (4), of the simulated sand box (1), a ventilation opening is formed in the dust collecting box, and a filter screen is mounted on the ventilation opening.
6. A liftable sand table display stand according to claim 5, characterized in that: the movable pipeline (6) is rotatably installed in the installation shell (4), one end of the movable pipeline (6) is connected with the fan through a hose (62), the other end of the movable pipeline is sealed and connected with an adjusting component (7) which is meshed through a gear (73) and a rack (72) to drive the spraying angle of the adjusting component to change periodically.
7. A liftable sand table display stand according to claim 6, characterized in that: the adjusting assembly (7) comprises a second electric push rod (71), a rack (72) and a gear (73), the gear (73) is fixed at the closed end of the movable pipeline (6), the rack (72) is horizontally and fixedly connected at the output end of the second electric push rod (71), and the gear (73) and the gear are meshed for transmission.
8. A liftable sand table display stand according to claim 5, characterized in that: the nozzle (61) is configured as a fan nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922081907.6U CN210865338U (en) | 2019-11-26 | 2019-11-26 | Liftable sand table show stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922081907.6U CN210865338U (en) | 2019-11-26 | 2019-11-26 | Liftable sand table show stand |
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| Publication Number | Publication Date |
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| CN210865338U true CN210865338U (en) | 2020-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922081907.6U Active CN210865338U (en) | 2019-11-26 | 2019-11-26 | Liftable sand table show stand |
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| CN (1) | CN210865338U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112581842A (en) * | 2020-12-08 | 2021-03-30 | 昆明市延安医院 | Automatic change ureter soft lens and get stone model |
| CN114241938A (en) * | 2021-12-28 | 2022-03-25 | 威创集团股份有限公司 | Ultralow multi-attitude electronic control sand table |
| CN115132047A (en) * | 2021-03-31 | 2022-09-30 | 孙晓波 | Portable simulation sand table for building planning |
-
2019
- 2019-11-26 CN CN201922081907.6U patent/CN210865338U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112581842A (en) * | 2020-12-08 | 2021-03-30 | 昆明市延安医院 | Automatic change ureter soft lens and get stone model |
| CN115132047A (en) * | 2021-03-31 | 2022-09-30 | 孙晓波 | Portable simulation sand table for building planning |
| CN114241938A (en) * | 2021-12-28 | 2022-03-25 | 威创集团股份有限公司 | Ultralow multi-attitude electronic control sand table |
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