CN202375418U - Platform lifter special for laboratory platform - Google Patents
Platform lifter special for laboratory platform Download PDFInfo
- Publication number
- CN202375418U CN202375418U CN2011205459082U CN201120545908U CN202375418U CN 202375418 U CN202375418 U CN 202375418U CN 2011205459082 U CN2011205459082 U CN 2011205459082U CN 201120545908 U CN201120545908 U CN 201120545908U CN 202375418 U CN202375418 U CN 202375418U
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- CN
- China
- Prior art keywords
- protective sleeve
- lifter
- driven pulley
- dais
- installing rack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a platform lifter special for a laboratory platform. The platform lifter comprises a table top board (1), a lifting plate (2) and a mounting rack (3), wherein an upper protective sleeve (4) and a lower protective sleeve (5) which are coaxial are arranged on the lower side of the upper wall and the upper side of the lower wall of the mounting rack (3) respectively; nuts (6) which are movably connected with the upper protective sleeve (4) and the lower protective sleeve (5) are arranged in the upper protective sleeve (4) and the lower protective sleeve (5); a leading screw (7) which is in meshed connection with the nuts (6) is arranged in the nuts (6); the upper end of the leading screw (7) vertically penetrates through the nuts (6) and is connected with the lifting plate (2); driven wheels (8) which are fixedly connected with the nuts (6) are sleeved on the outer sides of the nuts (6); a driving wheel (9) which is in meshed connection with the driven wheels (8) is arranged on one side of each driven wheel (8), and is fixed on a driving shaft (10); and one end of the driving shaft (10) is movably connected with a side wall of the mounting rack (3), and the other end of the driving shaft (10) horizontally penetrates through the mounting rack (3) and is connected with a crank (11). The platform lifter is strong in practicability and wide in application range.
Description
Technical field
The utility model relates to a kind of experimental bench, refers in particular to employed dais when the teacher is used to do experimental demonstration in the laboratory, dais, specifically a kind of laboratory dedicated platform lifter.
Background technology
Do when experiment in that current experiments is indoor; Faculty and Students use the experimental bench of same size; Serve as a teacher when doing experimental demonstration, a lot of students are because unsighted former thereby do not see some characteristics that occur in teacher's demostrating action or the experimentation, make this part student surround and watch near must arriving the experimental bench that the teacher uses; Cause them can not do the evolution process of experiment or experiment synchronously, the order in education in the time of also possibly having influence on experiment.For instance; When serving as a teacher the experiment of demonstration acid-base neutralization; All can add acid-base indicator in advance in acid solution or the aqueous slkali, serve as a teacher in acid solution and to add when adding acid solution in aqueous slkali or the aqueous slkali, the color of this mixed liquor has a process that constantly changes.Use the current experiments platform then can cause having the part student, can not understand experiment content fully, reduced teacher's teaching quality, brought aftermath for teacher's normal teaching because unsighted reason does not see the change in color process.
Summary of the invention
The purpose of the utility model is the defective to prior art, and a kind of easy to use, practical dais, laboratory dedicated platform lifter is provided.
The purpose of the utility model solves through following technical scheme:
Dais, a kind of laboratory dedicated platform lifter; Comprise deck plate, lifter plate and installing rack; The upper wall downside of said installing rack and lower wall upside are provided with coaxial last protective sleeve and following protective sleeve; Be provided with the nut that is movably connected with it in last protective sleeve and the following protective sleeve, be provided with the leading screw that links to each other with its engagement in the nut, the upper end of leading screw vertically passes nut and links to each other with lifter plate; The outside of said nut is equipped with the driven pulley that is fixedly linked with it; One side of driven pulley is provided with the driving wheel that links to each other with its engagement; Driving wheel is fixed on the driving shaft, and an end of driving shaft and the sidewall of installing rack are movably connected, and the other end level of driving shaft passes installing rack and links to each other with crank.
The central shaft of said driven pulley is vertical each other with the central shaft of driving wheel.
Described driving wheel and driven pulley are helical gear.
Described driving wheel and driven pulley are respectively intermeshing worm screw and turbine.
Described driven pulley and driving wheel in installing rack and driven pulley between last protective sleeve and following protective sleeve.
Gapped between described upward protective sleeve and following protective sleeve and the driven pulley.
The lower end of said nut is arranged in the inner chamber of protective sleeve down, and the upper end of nut passes the upper wall of protective sleeve and installing rack straight up successively.
The lower end side-walls of said installing rack is provided with the installation leg.
Described lifter plate is embedded in the deck plate or is positioned at the upside of deck plate.
The utility model is compared prior art has following advantage:
The lifting platform device of the utility model is applicable in the various school duty rooms, shows its operating process when being used for teacher's experimental teaching to student viewing, and the height of lifter plate can transfer to the height of suitable observation of students as required; The time spent does not influence the normal use at dais as the part of deck plate.
The lifting platform device of the utility model is simple in structure, practical; The unsighted limitation of student when having broken through experiment shows; Teacher's teaching quality and student's observation degree have been guaranteed, have helped students ' actual situation and grasp experiment content to have higher use value.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model.
Wherein: 1-deck plate; 2-lifter plate; 3-installing rack; 4-upward protective sleeves; 5-following protective sleeve; 6-nut; 7-leading screw; 8-driven pulley; 9-driving wheel; 10-driving shaft; 11-crank; 12-installation leg.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
As shown in Figure 1: dais, a kind of laboratory dedicated platform lifter; Comprise deck plate 1, lifter plate 2 and installing rack 3; Lifter plate 2 can be embedded in the deck plate 1 or be positioned at the upside of deck plate 1; The last plane of the last plane of lifter plate 2 and deck plate 1 is not positioned on the same horizontal plane or lifter plate 2 is placed on the upside of deck plate 1 when then not using; But, generally be embedded in lifter plate 2 in the deck plate 1 and both last planes are positioned on the same level height for the flatness and the aesthetics of dais, laboratory deck plate 1; Installing rack 3 is positioned at the downside of deck plate 1, and is fixed on the crossbeam in this experimental bench through the installation leg 12 of installing rack 3 lower end side-walls settings.The upper wall downside of installing rack 3 and lower wall upside be provided with coaxial on protective sleeve 4 and following protective sleeve 5; Be provided with the nut 6 that is movably connected with it in last protective sleeve 4 and the following protective sleeve 5; The lower end of nut 6 is arranged in the inner chamber of protective sleeve 5 down; The upper end of nut 6 passes the upper wall of protective sleeve 4 and installing rack 3 straight up successively, in nut 6, is provided with the leading screw 7 that links to each other with its engagement, and the upper end of leading screw 7 vertically passes nut 6 and links to each other with lifter plate 2; Be equipped with the driven pulley 8 that is fixedly linked with it in addition in the outside of nut 6; The central shaft of central shaft and driving wheel 9 that one side of driven pulley 8 is provided with the driving wheel 9 that links to each other with its engagement and driven pulley 8 is vertical each other; Driving wheel 9 is fixed on the driving shaft 10; One end of driving shaft 10 and the sidewall of installing rack 3 are movably connected, and the other end level of driving shaft 10 passes installing rack 3 and links to each other with crank 11.Driven pulley 8 and driving wheel 9 in installing rack 3 and driven pulley 8 between last protective sleeve 4 and following protective sleeve 5, go up between protective sleeve 10 and following protective sleeve 11 and the driven pulley 8 gapped simultaneously to make things convenient for driven pulley 8 to rotate.In the utility model; Driving wheel 9 can be selected with selecting for use of driven pulley 8 according to actual needs; Can select two helical gears to carry out the vertical interlaced engagement and link to each other, also can select for use worm screw to mesh with driven pulley 8 as driving wheel 9 and link to each other with turbine as driving wheel 9 and driven pulley 8.
The lifting platform device of the utility model only need shake crank 11 and can lifter plate 2 be risen to certain altitude, teacher's convenient for student viewing experiment shows in use.The motion process of lifter plate 2 is: at first shake crank 11; Crank 11 drives horizontally disposed driving shaft 10 and rotates; Driving wheel 9 on the driving shaft 10 is along with driving shaft 10 rotates synchronously; Driving wheel 9 is to driven pulley 8 transferring power that link to each other with its engagement simultaneously; Driven pulley 8 is to pass to the nut 6 that is fixedly linked with it after the perpendicular direction with the motion of driving shaft 10 and power conversion, and nut 6 is given the screw mandrel 7 that links to each other with its engagement with transmission of power, and screw mandrel 7 drive lifter plates 2 move up to the precalculated position.When not using, crank 11 reverse rotations can fall lifter plate 2 to original position after rise.
The lifting platform device of the utility model is applicable in the various school duty rooms; Show when being used for teacher's experimental teaching that its operating process is to student viewing; The height of lifter plate 2 can transfer to the height of suitable observation of students as required; The time spent does not influence the normal use at dais as the part of deck plate 1; This lifting platform device is simple in structure, practical, and the unsighted limitation of student when having broken through experiment shows has guaranteed teacher's teaching quality and student's observation degree, helps students ' actual situation and grasps experiment content, has higher use value.
Above embodiment is merely the technological thought of explanation the utility model; Can not limit the protection domain of the utility model with this; Every technological thought that proposes according to the utility model, any change of on the technical scheme basis, being done all falls within the utility model protection domain; The technology that the utility model does not relate to all can realize through prior art.
Claims (9)
1. dais, laboratory dedicated platform lifter; Comprise deck plate (1), lifter plate (2) and installing rack (3); The upper wall downside and the lower wall upside that it is characterized in that said installing rack (3) are provided with coaxial last protective sleeve (4) and following protective sleeve (5); Be provided with the nut (6) that is movably connected with it in last protective sleeve (4) and the following protective sleeve (5); Be provided with the leading screw (7) that links to each other with its engagement in the nut (6), the upper end of leading screw (7) vertically passes nut (6) and links to each other with lifter plate (2); The outside of said nut (6) is equipped with the driven pulley (8) that is fixedly linked with it; One side of driven pulley (8) is provided with the driving wheel (9) that links to each other with its engagement; Driving wheel (9) is fixed on the driving shaft (10); The sidewall of one end of driving shaft (10) and installing rack (3) is movably connected, and the other end level of driving shaft (10) passes installing rack (3) and links to each other with crank (11).
2. dais, laboratory according to claim 1 dedicated platform lifter is characterized in that the central shaft of said driven pulley (8) is vertical each other with the central shaft of driving wheel (9).
3. dais, laboratory according to claim 2 dedicated platform lifter is characterized in that described driving wheel (9) and driven pulley (8) are helical gear.
4. dais, laboratory according to claim 2 dedicated platform lifter is characterized in that described driving wheel (9) and driven pulley (8) are respectively intermeshing worm screw and turbine.
5. dais, laboratory according to claim 1 dedicated platform lifter is characterized in that described driven pulley (8) and driving wheel (9) are positioned at installing rack (3) and driven pulley (8) is positioned between protective sleeve (4) and the following protective sleeve (5).
6. dais, laboratory according to claim 5 dedicated platform lifter is characterized in that between described upward protective sleeve (10) and following protective sleeve (11) and the driven pulley (8) gapped.
7. dais, laboratory according to claim 1 dedicated platform lifter; The lower end that it is characterized in that said nut (6) is arranged in the inner chamber of protective sleeve (5) down, and the upper end of nut (6) passes the upper wall of protective sleeve (4) and installing rack (3) straight up successively.
8. dais, laboratory according to claim 1 dedicated platform lifter is characterized in that the lower end side-walls of said installing rack (3) is provided with installation leg (12).
9. dais, laboratory according to claim 1 dedicated platform lifter is characterized in that described lifter plate (2) is embedded in the deck plate (1) or is positioned at the upside of deck plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205459082U CN202375418U (en) | 2011-12-23 | 2011-12-23 | Platform lifter special for laboratory platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205459082U CN202375418U (en) | 2011-12-23 | 2011-12-23 | Platform lifter special for laboratory platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202375418U true CN202375418U (en) | 2012-08-15 |
Family
ID=46623941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205459082U Expired - Lifetime CN202375418U (en) | 2011-12-23 | 2011-12-23 | Platform lifter special for laboratory platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202375418U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102511990A (en) * | 2011-12-23 | 2012-06-27 | 江苏麒麟科教设备有限公司 | Platform lifter special for lab platform |
-
2011
- 2011-12-23 CN CN2011205459082U patent/CN202375418U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102511990A (en) * | 2011-12-23 | 2012-06-27 | 江苏麒麟科教设备有限公司 | Platform lifter special for lab platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120815 |
|
| CX01 | Expiry of patent term |