CN211211158U - Specimen preparation device is used in middle and primary school's science teaching - Google Patents
Specimen preparation device is used in middle and primary school's science teaching Download PDFInfo
- Publication number
- CN211211158U CN211211158U CN201922078182.5U CN201922078182U CN211211158U CN 211211158 U CN211211158 U CN 211211158U CN 201922078182 U CN201922078182 U CN 201922078182U CN 211211158 U CN211211158 U CN 211211158U
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- fixedly connected
- rack
- teaching
- motor
- frame
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- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 229920000742 Cotton Polymers 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000007664 blowing Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 241000196324 Embryophyta Species 0.000 abstract description 35
- 241000883990 Flabellum Species 0.000 abstract description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 206010066054 Dysmorphism Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of the sample preparation instrument, especially, be a sample making devices is used in middle and primary schools' science teaching, inconvenient to apply pressure and wind-force to the plant specimen to current plant sample making devices, inconvenient moisture on plant tissue surface is taken away fast, the problem of sample preparation inefficiency, the scheme as follows is put forward now, which comprises a frame, the inboard bottom fixedly connected with gas collecting channel of frame, the outside fixedly connected with motor of frame, extend to inboard and fixedly connected with pivot and two worms of frame on the output shaft of motor, the outside fixedly connected with of pivot is located the multiunit flabellum in the gas collecting channel, the inboard rotation of frame is connected with two worm wheels, the worm meshes with corresponding worm wheel mutually. The utility model has the advantages of reasonable design, the backup pad is gone up and down repeatedly and can be extrudeed the plant tissue repeatedly, and the air current can continuously blow on the plant tissue surface, can take away the moisture on plant tissue surface fast, has effectively improved sample preparation efficiency.
Description
Technical Field
The utility model relates to a sample preparation instrument technical field especially relates to a sample making devices is used in middle and primary school's science teaching.
Background
The plant specimen is an important certificate for plant identification, and has very important scientific research value and preservation value. The production of high quality plant specimens is particularly important. For example, chinese patent with publication number CN203884536U discloses a plant specimen preparation device, including punch holder, lower plate, fixed subassembly and baffle, the baffle is equipped with a plurality of bleeder vents, the upper and lower surfaces of baffle are located respectively to punch holder and lower plate, fixed subassembly includes fixing bolt, fixation nut and spring shim, be equipped with corresponding bolt hole on punch holder, baffle and the lower plate, fixing bolt passes the bolt hole and the fixation nut threaded connection of lower plate, baffle and punch holder respectively, the spring shim is located between fixation nut and the punch holder. The design has the advantages of material saving, good fixity, good specimen making effect, simple and fast operation and the like.
However, the design has the defects that the plant specimen making device designed by the patent is not convenient to apply pressure and wind power to the plant specimen, is inconvenient to rapidly take away the moisture on the surface of plant tissues, and is low in specimen making efficiency, so that the specimen making device for the science teaching of primary and secondary schools is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects that the prior plant specimen making device is inconvenient to apply pressure and wind power to the plant specimen, is inconvenient to take away the moisture on the surface of the plant tissue quickly and has low specimen making efficiency, and providing the specimen making device for the scientific teaching of middle and primary schools.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a specimen preparation device for science and teaching of middle and primary schools comprises a rack, wherein a gas collecting hood is fixedly connected to the bottom of the inner side of the rack, a motor is fixedly connected to the outer side of the rack, an output shaft of the motor extends to the inner side of the rack and is fixedly connected with a rotating shaft and two worms, a plurality of groups of fan blades positioned in the gas collecting hood are fixedly connected to the outer side of the rotating shaft, two worm wheels are rotatably connected to the inner side of the rack and are meshed with the corresponding worm wheels, the bottom of a pressing rod is rotatably connected to the bottom of the front side of each worm wheel, the top ends of the two pressing rods are rotatably connected with a same supporting plate, a cylinder is fixedly connected to the top of the supporting plate, a blowing disc is slidably connected to the inner side of the cylinder, a pressing disc fixedly connected to the top of the inner side of the rack, the bottom fixedly connected with top of multiunit spring of blast dish, the bottom of spring and the top fixed connection of backup pad, blast dish and pressure disk all are linked together with the gas collecting channel.
Preferably, one side of the top of the gas collecting hood, which is far away from the motor, is communicated with one end of a hose, multiple groups of air injection holes are formed in the top side of the air blowing disc and the bottom side of the pressure disc, and the multiple groups of air injection holes are communicated with the other end of the hose and used for blowing air flow to the surface of plant tissues.
Preferably, the air inlet is arranged at the bottom of one side of the air collecting hood close to the motor, and two ends of the rotating shaft penetrate through the rack and are rotatably connected with the rack, so that the rotating shaft can rotate stably.
Preferably, the bottom of the inclined pull rod is fixedly connected to two sides of the top of the supporting plate, and the top of the inclined pull rod is fixedly connected with the outer side of the cylinder, so that the supporting plate is not prone to deformation.
Preferably, the inner side of the rack is provided with two sliding grooves matched with the supporting plate, and two sides of the supporting plate extend into the corresponding sliding grooves and are in sliding connection with the sliding grooves, so that the supporting plate can stably move up and down.
The utility model discloses a specimen preparation device for science and teaching of middle and primary schools through pressing the blast plate down, the spring is extruded downwards to the blast plate, superpose a plurality of layers of cotton that absorb water on the surface of blast plate, place the plant tissue that will wait to air-dry on the cotton surface that absorbs water, superpose a plurality of layers of cotton that absorb water again in plant tissue, loosen the blast plate, the blast plate moves upwards under the elasticity promotion effect of spring, makes the cotton that absorbs water butt in pressure disk bottom side position;
the utility model discloses a specimen preparation device for middle and primary school's science teaching, it is rotatory to drive pivot and worm through the motor, the worm rotates and drives the worm wheel and slowly rotates, the worm wheel drives the bottom of depression bar and is circular motion, the bottom of depression bar rises gradually, the top of depression bar promotes the backup pad and upwards moves, the backup pad upwards extrudes the spring, the spring exerts ascending thrust to the air-blast dish, the air-blast dish upwards extrudes multiunit cotton that absorbs water, make the plant tissue receive the extrusion at the cotton that absorbs water, the cotton that absorbs water can absorb the moisture content on plant tissue surface;
the specimen preparation device for science and teaching of middle and primary schools drives a plurality of groups of fan blades to rotate through rotation of the rotating shaft, the fan blades rotate to blow air into the air blowing disc and the pressure plate through the hoses, air flow is blown into the water absorption cotton through the air injection holes, and the air flow flows through the surface of the plant tissue to take away the moisture on the surface of the plant tissue, so that the plant tissue is quickly dried in the air;
the utility model has the advantages of reasonable design, the backup pad is gone up and down repeatedly and can be extrudeed the plant tissue repeatedly, and the air current can continuously blow on the plant tissue surface, can take away the moisture on plant tissue surface fast, has effectively improved sample preparation efficiency.
Drawings
FIG. 1 is a schematic structural view of a specimen preparation device for scientific teaching in middle and primary schools according to the present invention;
fig. 2 is the utility model provides a top view of specimen preparation device's blast air dish for middle and primary school's science and teaching.
In the figure: 1. a frame; 2. a gas-collecting hood; 3. a motor; 4. a rotating shaft; 5. a worm; 6. a fan blade; 7. a worm gear; 8. a pressure lever; 9. a support plate; 10. a cylinder; 11. a blast disc; 12. a platen; 13. absorbent cotton; 14. a hose; 15. a spring; 16. and (4) air injection holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a specimen preparation device for science and teaching of middle and primary schools comprises a frame 1, a gas collecting hood 2 is fixedly connected to the bottom of the inner side of the frame 1, a motor 3 is fixedly connected to the outer side of the frame 1, an output shaft of the motor 3 extends to the inner side of the frame 1 and is fixedly connected with a rotating shaft 4 and two worms 5, a plurality of groups of fan blades 6 positioned in the gas collecting hood 2 are fixedly connected to the outer side of the rotating shaft 4, two worm wheels 7 are rotatably connected to the inner side of the frame 1, the worms 5 are meshed with the corresponding worm wheels 7, the bottoms of the front sides of the worm wheels 7 are rotatably connected with the bottom ends of pressure levers 8, the top ends of the two pressure levers 8 are rotatably connected with a same supporting plate 9, a cylinder 10 is fixedly connected to the top of the supporting plate 9, an air blowing plate 11 is slidably connected to the inner side of the cylinder 10, a pressure, the bottom fixedly connected with multiunit spring 15's of blast air dish 11 top, spring 15's bottom and the top fixed connection of backup pad 9, blast air dish 11 and pressure disk 12 all are linked together with gas collecting channel 2.
The utility model discloses in, top one side intercommunication that motor 3 was kept away from to gas collecting channel 2 has the one end of hose 14, and multiunit fumarole 16 has all been seted up to the top side of blast air dish 11 and the bottom side of pressure disk 12, and multiunit fumarole 16 all is linked together with hose 14's the other end for blow the plant tissue surface with the air current.
The utility model discloses in, the air inlet has been seted up to one side bottom that gas collecting channel 2 is close to motor 3, and the both ends of pivot 4 run through frame 1 and rotate with frame 1 and be connected for pivot 4 is steady rotatory.
The utility model discloses in, the bottom of the equal fixedly connected with in top both sides of backup pad 9 draws the pull rod to one side, and the outside fixed connection of the top of drawing the pull rod to one side and drum 10 for backup pad 9 non-deformable.
The utility model discloses in, two spouts with 9 looks adaptations of backup pad are seted up to the inboard of frame 1, and the both sides of backup pad 9 extend to in the corresponding spout and with spout sliding connection for the steady lift of backup pad 9 removes.
In the utility model, when in use, the utility model supplies power to the motor 3 by using commercial power, and sets a control switch for the motor 3, firstly, the blast disc 11 is pressed downwards, the blast disc 11 extrudes the spring 15 downwards, then 3 to 5 layers of absorbent cotton 13 are stacked on the surface of the blast disc 11, the plant tissue to be air-dried is placed on the surface of the absorbent cotton 13, then 3 to 5 layers of absorbent cotton 13 are stacked on the plant tissue, the blast disc 11 is loosened, the blast disc 11 moves upwards under the elastic force pushing action of the spring 15, so that the absorbent cotton 13 is butted on the bottom side part of the pressure plate 12, then the motor 3 is started, the motor 3 drives the rotating shaft 4 and the worm 5 to rotate when being electrified, the worm 5 rotates to drive the worm wheel 7 to rotate slowly, the worm wheel 7 drives the bottom end of the pressure lever 8 to do circular motion, when the bottom end of the pressure lever 8 rises gradually, the top end of the pressure lever 8 pushes the support plate 9, spring 15 applys ascending thrust to air-blast dish 11, air-blast dish 11 upwards extrudees the cotton 13 that absorbs water of multiunit, make the plant tissue receive the extrusion at the cotton 13 that absorbs water, the cotton 13 that absorbs water can absorb the moisture content on plant tissue surface, and it is rotatory to drive multiunit flabellum 6 when pivot 4 is rotatory, in flabellum 6 was rotatory to be blown into air-blast dish 11 and pressure disk 12 through hose 14 with the air in, the air current blows in through fumarole 16 inside the cotton 13 that absorbs water, the moisture content on plant tissue surface can be taken away to the air current flow through plant tissue surface, make the quick air-drying of plant tissue.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.
Claims (5)
1. The specimen preparation device for the science teaching of middle and primary schools comprises a rack (1) and is characterized in that a gas collecting hood (2) is fixedly connected to the bottom of the inner side of the rack (1), a motor (3) is fixedly connected to the outer side of the rack (1), an output shaft of the motor (3) extends to the inner side of the rack (1) and is fixedly connected with a rotating shaft (4) and two worms (5), a plurality of groups of fan blades (6) located in the gas collecting hood (2) are fixedly connected to the outer side of the rotating shaft (4), two worm wheels (7) are rotatably connected to the inner side of the rack (1), the worms (5) are meshed with the corresponding worm wheels (7), the bottom of the front side of each worm wheel (7) is rotatably connected with the bottom of a pressing rod (8), the top ends of the two pressing rods (8) are rotatably connected with a same supporting plate (9), and a cylinder (10) is fixedly connected, the inboard sliding connection of drum (10) has blast dish (11), be equipped with pressure disk (12) at frame (1) inboard top fixed connection directly over blast dish (11), the top side of blast dish (11) has placed multiunit cotton (13) that absorb water, the top of the bottom fixedly connected with multiunit spring (15) of blast dish (11), the bottom of spring (15) and the top fixed connection of backup pad (9), blast dish (11) and pressure disk (12) all are linked together with gas collecting channel (2).
2. The specimen preparation device for science and teaching of primary and secondary schools according to claim 1, wherein one side, away from the top of the motor (3), of the gas collecting hood (2) is communicated with one end of a hose (14), the top side of the air blowing disc (11) and the bottom side of the pressure plate (12) are provided with a plurality of groups of air injection holes (16), and the plurality of groups of air injection holes (16) are communicated with the other end of the hose (14).
3. The specimen preparation device for science and teaching of primary and secondary schools according to claim 1, wherein an air inlet is formed in the bottom of one side, close to the motor (3), of the air collecting hood (2), and two ends of the rotating shaft (4) penetrate through the rack (1) and are rotatably connected with the rack (1).
4. The specimen preparing device for science and teaching of middle and primary schools according to claim 1, wherein the bottom ends of the inclined pull rods are fixedly connected to both sides of the top of the supporting plate (9), and the top ends of the inclined pull rods are fixedly connected to the outer side of the cylinder (10).
5. The specimen preparation device for science and teaching of primary and secondary schools according to claim 1, wherein two sliding grooves matched with the supporting plate (9) are formed in the inner side of the rack (1), and two sides of the supporting plate (9) extend into the corresponding sliding grooves and are in sliding connection with the sliding grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922078182.5U CN211211158U (en) | 2019-11-27 | 2019-11-27 | Specimen preparation device is used in middle and primary school's science teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922078182.5U CN211211158U (en) | 2019-11-27 | 2019-11-27 | Specimen preparation device is used in middle and primary school's science teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211211158U true CN211211158U (en) | 2020-08-11 |
Family
ID=71927485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922078182.5U Expired - Fee Related CN211211158U (en) | 2019-11-27 | 2019-11-27 | Specimen preparation device is used in middle and primary school's science teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211211158U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113349198A (en) * | 2021-06-09 | 2021-09-07 | 山东中医药大学 | Preserving device for medicinal plant infusion specimen |
-
2019
- 2019-11-27 CN CN201922078182.5U patent/CN211211158U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113349198A (en) * | 2021-06-09 | 2021-09-07 | 山东中医药大学 | Preserving device for medicinal plant infusion specimen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20200811 |