CN205410319U - Student inhales formula lever experiment desk with magnetism - Google Patents
Student inhales formula lever experiment desk with magnetism Download PDFInfo
- Publication number
- CN205410319U CN205410319U CN201620127981.0U CN201620127981U CN205410319U CN 205410319 U CN205410319 U CN 205410319U CN 201620127981 U CN201620127981 U CN 201620127981U CN 205410319 U CN205410319 U CN 205410319U
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- CN
- China
- Prior art keywords
- lever
- student
- pen container
- desk
- sliding sleeve
- 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 - Fee Related
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
Student inhales formula lever experiment desk with magnetism, a side -mounting sliding sleeve of lever, the sliding sleeve overlaps on the lever, the lower side -mounting force sensor of sliding sleeve, the lower extreme installation strong magnet of rope is connected to force sensor's lower part erection joint rope, the strong magnet can with the iron plate cooperation, one row pressure sensor is lined up to the opposite side upper portion installation several of lever, controlling means passes through the wire and connects controlling means and pressure sensor. The utility model discloses a force sensor can measure the power through the lever conversion to turning into electric signal transmission with the pulling force signal and giving controlling means, controlling means handles laggard line display to the pulling force signal, thereby makes things convenient for the student to measure accurately leverage.
Description
Technical field
This utility model relates to a kind of desk, and more precisely a kind of student tests desk with magnetic-type lever.
Background technology
Desk is desk used by student, and from the beginning of all directions table in school the earliest, for school, the desk of school study should be unified as desk.Major part school is all the single desk using this tradition to be processed into by solid wood, double desk.This desk is easy to process, and material is weedtree, wastes a large amount of timber, and is not durable, and is the most still that the middle and primary schools of a lot of poverty-stricken area use.Because desk-bench height is fixed, gradually replaced by the adjustable desk of steel-plastic structure.Laboratory table, is usually used in testing.Table top in test is provided.Existing experiment desk can only use as testing stand, it is impossible to facilitates Students ' Learning well and writes.Lever force is measured by existing lever experiment desk simply by spring tension meter, very inaccuracy.Existing lever experiment desk can not facilitate student quickly moment to measure.
Utility model content
The purpose of this utility model is to provide a kind of student and tests desk with magnetic-type lever, it is possible to solve above-mentioned problem.
This utility model for achieving the above object, is achieved through the following technical solutions:
Student tests desk with magnetic-type lever, including desk body, Platform board for experiment and two fixed mounts are installed in the top of desk body, the sidepiece including desk body installs control device, fixed mount is L-shaped, Platform board for experiment coordinates with fixed mount, the sidepiece of desk body installs pen container lowering or hoisting gear, iron plate and fixing bar are installed in Platform board for experiment top, lever is installed in the upper end of fixing bar, the middle part of lever is hinged with fixing bar, scale area is set on lever, sliding sleeve is installed in the side of lever, sliding sleeve is enclosed within lever, pulling force sensor is installed in the downside of sliding sleeve, the bottom of pulling force sensor is installed and is connected rope, strong magnet is installed in the lower end connecting rope, strong magnet can coordinate with iron plate, several pressure transducers being arranged in a row are installed on the opposite side top of lever, control device and connect control device and pressure transducer by wire.
In order to realize the purpose of this utility model further, can also be by the following technical solutions: described pen container lowering or hoisting gear includes guide rail, pen container, sliding seat, fixation clamp, nut, screw mandrel and motor, guide rail and motor are installed in the side of desk body, the output shaft of motor installs screw mandrel, nut is installed on screw mandrel, pen container is installed in the side of nut, and sliding seat is installed in the side of pen container, and sliding seat coordinates with guide rail.The sidepiece of described pen container installs fixation clamp.
The utility model has the advantage of: the power converted through lever can be measured by pulling force sensor of the present utility model, and pulling force signal is converted into the signal of telecommunication pass to control device, control to show after pulling force signal is processed by device, thus facilitate student that lever force is accurately measured.Scale area of the present utility model can facilitate student to read pressure spot and sliding sleeve position simultaneously thus improve the measuring accuracy to lever force.Several pressure transducer of the present utility model is arranged in a row, and can conveniently control the measurement device pressure that diverse location applies on lever.Strong magnet of the present utility model coordinates with iron plate can be made sliding sleeve no matter be in which position can be maintained at extended state.Platform board for experiment is fixed in desk body by this utility model by fixed mount, only need to be removed by Platform board for experiment when need not test and just can facilitate student writing and study, change different types of Platform board for experiment simultaneously and student can be facilitated to do different experiments.Pen container can be packed up by pen container lowering or hoisting gear of the present utility model when student tests, and prevents pen container from being touched down, and when student needs use, pen container can be risen, facilitate student to use by pen container lowering or hoisting gear.This utility model also has advantage compact, cheap for manufacturing cost and easy to use simple for structure.
Accompanying drawing explanation
Accompanying drawing is used for providing being further appreciated by of the present utility model, and constitutes a part for description, is used for explaining this utility model, is not intended that restriction of the present utility model together with embodiment of the present utility model.In the accompanying drawings:
Fig. 1 is structural representation of the present utility model.
Mark parts: 1 Platform board for experiment 2 fixed mount 3 desk body 4 guide rail 5 pen container 6 sliding seat 7 fixation clamp 8 nut 9 screw mandrel 10 motor 11 lever 12 scale area 13 sliding sleeve 14 pulling force sensor 15 connects rope Final 16 Magnet 17 iron plate 18 to be fixed bar 19 pressure transducer 20 and control device.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is illustrated, it will be appreciated that preferred embodiment described herein is merely to illustrate and explains this utility model, be not used to limit this utility model.
nullStudent tests desk with magnetic-type lever，As shown in Figure 1，Including desk body 3，Platform board for experiment 1 and two fixed mounts 2 are installed in the top of desk body 3，The sidepiece including desk body 3 installs control device 20，Fixed mount 2 is L-shaped，Platform board for experiment 1 coordinates with fixed mount 2，The sidepiece of desk body 3 installs pen container lowering or hoisting gear，Iron plate 17 and fixing bar 18 are installed in Platform board for experiment 1 top，Lever 11 is installed in the upper end of fixing bar 18，The middle part of lever 11 is hinged with fixing bar 18，Scale area 12 is set on lever 11，Sliding sleeve 13 is installed in the side of lever 11，Sliding sleeve 13 is enclosed within lever 11，Pulling force sensor 14 is installed in the downside of sliding sleeve 13，The bottom of pulling force sensor 14 is installed and is connected rope 15，Strong magnet 16 is installed in the lower end connecting rope 15，Strong magnet 16 can coordinate with iron plate 17，Several pressure transducers 19 being arranged in a row are installed on the opposite side top of lever 11，Control device 20 and connect control device 20 and pressure transducer 19 by wire.
The power converted through lever 11 can be measured by pulling force sensor 14 of the present utility model, and pulling force signal is converted into the signal of telecommunication pass to control device 20, control to show after pulling force signal is processed by device 20, thus facilitate student that lever force is accurately measured.Scale area 12 of the present utility model can facilitate student to read pressure spot and sliding sleeve 13 position simultaneously thus improve the measuring accuracy to lever force.Several pressure transducer 19 of the present utility model is arranged in a row, and can conveniently control device 20 and measure the pressure that diverse location applies on lever 11.Strong magnet 16 of the present utility model coordinates with iron plate 17 can be made sliding sleeve 13 no matter be in which position can be maintained at extended state.Platform board for experiment 1 is fixed in desk body 3 by this utility model by fixed mount 2, only Platform board for experiment 1 need to be removed when need not test and just can facilitate student writing and study, change different types of Platform board for experiment 1 simultaneously and student can be facilitated to do different experiments.Pen container can be packed up by pen container lowering or hoisting gear of the present utility model when student tests, and prevents pen container from being touched down, and when student needs use, pen container can be risen, facilitate student to use by pen container lowering or hoisting gear.
Described pen container lowering or hoisting gear includes guide rail 4, pen container 5, sliding seat 6, fixation clamp 7, nut 8, screw mandrel 9 and motor 10, guide rail 4 and motor 10 are installed in the side of desk body 3, the output shaft of motor 10 installs screw mandrel 9, nut 8 is installed on screw mandrel 9, pen container 5 is installed in the side of nut 8, sliding seat 6 is installed in the side of pen container 5, and sliding seat 6 coordinates with guide rail 4.Pen container 5 can be packed up by pen container lowering or hoisting gear of the present utility model when student tests, and prevents pen container 5 from being touched down, and when student needs use, pen container 5 can be risen, facilitate student to use by pen container lowering or hoisting gear.Motor 10 of the present utility model can drive pen container 5 to lift by nut 8 and screw mandrel 9.Sliding seat 6 of the present utility model coordinates the rotation being possible to prevent pen container 5 to follow screw mandrel 9 to rotate with guide rail 4.
The sidepiece of described pen container 5 installs fixation clamp 7.Book can conveniently be clamped by fixation clamp 7 of the present utility model, facilitates student that experiment is carried out record.
Last it is noted that the foregoing is only preferred embodiment of the present utility model, it is not limited to this utility model, although this utility model being described in detail with reference to previous embodiment, for a person skilled in the art, technical scheme described in foregoing embodiments still can be modified by it, or wherein portion of techniques feature is carried out equivalent.All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (3)
- null1. student tests desk with magnetic-type lever，It is characterized in that: include desk body (3)，Platform board for experiment (1) and two fixed mounts (2) are installed in the top of desk body (3)，The sidepiece including desk body (3) installs control device (20)，Fixed mount (2) is L-shaped，Platform board for experiment (1) coordinates with fixed mount (2)，The sidepiece of desk body (3) installs pen container lowering or hoisting gear，Iron plate (17) and fixing bar (18) are installed in Platform board for experiment (1) top，Lever (11) is installed in the upper end of fixing bar (18)，The middle part of lever (11) is hinged with fixing bar (18)，Scale area (12) is set on lever (11)，Sliding sleeve (13) is installed in the side of lever (11)，Sliding sleeve (13) is enclosed within lever (11)，Pulling force sensor (14) is installed in the downside of sliding sleeve (13)，The bottom of pulling force sensor (14) is installed and is connected rope (15)，Strong magnet (16) is installed in the lower end connecting rope (15)，Strong magnet (16) can coordinate with iron plate (17)，Several pressure transducers (19) being arranged in a row are installed on the opposite side top of lever (11)，Control device (20) and connect control device (20) and pressure transducer (19) by wire.
- Student the most according to claim 1 tests desk with magnetic-type lever, it is characterized in that: described pen container lowering or hoisting gear includes guide rail (4), pen container (5), sliding seat (6), fixation clamp (7), nut (8), screw mandrel (9) and motor (10), guide rail (4) and motor (10) are installed in the side of desk body (3), the output shaft of motor (10) installs screw mandrel (9), nut (8) is installed on screw mandrel (9), pen container (5) is installed in the side of nut (8), sliding seat (6) is installed in the side of pen container (5), sliding seat (6) coordinates with guide rail (4).
- Student the most according to claim 2 tests desk with magnetic-type lever, it is characterised in that: the sidepiece of described pen container (5) installs fixation clamp (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620127981.0U CN205410319U (en) | 2016-02-19 | 2016-02-19 | Student inhales formula lever experiment desk with magnetism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620127981.0U CN205410319U (en) | 2016-02-19 | 2016-02-19 | Student inhales formula lever experiment desk with magnetism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205410319U true CN205410319U (en) | 2016-08-03 |
Family
ID=56541178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620127981.0U Expired - Fee Related CN205410319U (en) | 2016-02-19 | 2016-02-19 | Student inhales formula lever experiment desk with magnetism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205410319U (en) |
-
2016
- 2016-02-19 CN CN201620127981.0U patent/CN205410319U/en not_active Expired - Fee Related
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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: 20160803 Termination date: 20170219 |