CN205959507U - Magnetcisuspension formula momentum presentation device - Google Patents
Magnetcisuspension formula momentum presentation device Download PDFInfo
- Publication number
- CN205959507U CN205959507U CN201620564701.2U CN201620564701U CN205959507U CN 205959507 U CN205959507 U CN 205959507U CN 201620564701 U CN201620564701 U CN 201620564701U CN 205959507 U CN205959507 U CN 205959507U
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- CN
- China
- Prior art keywords
- momentum
- body frame
- device body
- slide block
- 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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Abstract
The utility model discloses a magnetcisuspension formula momentum presentation device, including the device body frame, be provided with a set of slide on the device body frame, the both sides of device body frame all are provided with horizontal level bar, the middle part of device body frame is provided with vertical level bar, be provided with a set of slider drawer on the lateral wall of device body frame, a set of momentum slider has been placed in the slider drawer, device body frame lower part is provided with a set of sleeve, the sleeve endotheca is equipped with the wedge head landing leg, the wedge head landing leg through a set of coupling spring with the muffjoint, sleeve one side spiro union has the knob, knob tip and the wedge normal running fit that cuts somebody's hair. This magnetcisuspension formula momentum presentation device can finely tune, can guarantee the level during use, utilizes the homopolarity repulsion principle to reduce frictional force simultaneously for the momentum slider can both reduce the loss of momentum that most frictional force caused when sliding with the striking, the test result error is minimum, is applicable to momentum teaching demonstration.
Description
Technical field
This utility model is related to teaching aid field, specially a kind of magnetic suspension momentum apparatus for demonstrating.
Background technology
In course teaching, science and engineering class subject is often related to calculating and the application of momentum, and momentum is as the quality of object
With the physical quantity of velocity correlation, it is one of most important in nature, most common objective law.In teaching, momentum is known
Knowledge is the important knowledge point that student needs to be grasped, and classroom teaching, lack the device to the demonstration of momentum knowledge, student is difficult to right
This abstract knowledge of momentum has a specific intuitivism apprehension, is unfavorable for the study of momentum knowledge, now needs a kind of special use
To solve this problem in the device carrying out momentum knowledge demonstration.
Utility model content
The purpose of this utility model is to provide a kind of magnetic suspension momentum apparatus for demonstrating, to solve to carry in above-mentioned background technology
The problem going out.
For achieving the above object, this utility model provides following technical scheme：A kind of magnetic suspension momentum apparatus for demonstrating, including
Device body frame, described device body frame is hinged with protection cap by a combined page, and described device body frame is provided with one group of slideway, institute
State slideway both sides and all offer one group of installation elongated hole, described slideway is detachably connected with described device body frame by described installation elongated hole
Connect, the both sides of described device body frame are provided with transverse horizontal chi, and the middle part of described device body frame is provided with vertical equity chi, institute
State and one group of slide block drawer is provided with the side wall of device body frame, in described slide block drawer, be placed with one group of momentum slide block, described dress
Put body frame bottom and be provided with one group of sleeve, in described sleeve, be arranged with sphenocephaly supporting leg, described sphenocephaly supporting leg lower end is provided with
Base, described sphenocephaly supporting leg passes through one group of connecting spring and described sleeve connection, and described sleeve side is bolted with knob, described
Cut somebody's hair with wedge shape and be rotatably assorted in knob end, described wedge shape is cut somebody's hair and the cooperation of described sphenocephaly supporting leg.
Preferably, described protection cap one end is provided with lock, and described lock is adapted to described device body frame.
Preferably, described slideway offers magnetic force chute, described magnetic force chute is slidably matched with described momentum slide block, institute
State slideway both sides and be provided with step, described step offers described installation elongated hole, described installation elongated hole is fitted with connecting bolt
Join.
Preferably, described slide block drawer end is provided with handle.
Preferably, described base lower end is sticked and has rubber cushion.
Preferably, described momentum slide block includes slider frame, magnetic force slide rail, mark joint strip and pushing hands, described magnetic force slide rail
It is arranged on the bottom of described slider frame, described mark joint strip and described pushing hands are arranged at the top of described slider frame, described magnetic
Power slide rail is adapted to described magnetic force chute.
Compared with prior art, the beneficial effects of the utility model are：When this magnetic suspension momentum apparatus for demonstrating uses, teacher
Device body frame can be placed in the planes such as dais, then screw knob, when knob screws out, then cut somebody's hair will be to sleeve for wedge shape
External movement, at this moment sphenocephaly supporting leg will be to the internal motion of sleeve so that being placed under the pulling function of connecting spring
The height reduction of the device body frame in plane, on the contrary by during knob precession, then sphenocephaly supporting leg can be cut somebody's hair promotion by wedge shape, wedge shape
Head supporting leg stretches out the partial variable-length of sleeve so that the height of device body frame raises, and such design makes the height of device body frame
Can be finely adjusted, and the cooperation by transverse horizontal chi and vertical equity chi, device body frame is adjusted to horizontal level, will slide
Block drawer open, takes out momentum slide block from slide block drawer, the magnetic force slide rail of momentum slide block and slideway offers magnetic force chute
Cooperation, magnetic force slide rail and magnetic force chute homopolar-repulsion, under the magneticaction repelling each other, momentum slide block can be suspended on slideway, moves
It is not in contact between amount slide block and slideway rubbing, promote very flexible, when carrying out momentum laboratory, user selects a cunning
Road, can respectively hold a momentum slide block by both hands, and the mark joint strip on momentum slide block can stick the quality of momentum slide block, then promotes two
Individual or multiple momentum slide block move toward one another or chase motion, after momentum slide block collides, observes the motion of multiple momentum slide blocks,
Because momentum slide block and slideway suspend cooperation, contactless friction, energy loss is little, so test result is very accurate, can allow
The experimental result obtaining during the perfect condition being more nearly the noenergy loss that no rubs is seen in life；This device can be finely adjusted,
Can ensure that level during use, reduce frictional force using homopolar-repulsion principle so that momentum slide block is sliding and clashing into simultaneously
When, the loss of momentum that most frictional force cause can be reduced, test result error is minimum it is adaptable to momentum teaching is drilled
Show.
Brief description
Fig. 1 is this utility model structural representation.
Protection cap is opened the structural representation after 30 degree for Fig. 1 by Fig. 2.
Protection cap is opened the top view after 120 degree for Fig. 1 by Fig. 3.
Fig. 4 is the close-up schematic view irising out part in Fig. 2.
Fig. 5 is the structural representation of this utility model sphenocephaly supporting leg.
Fig. 6 is the structural representation of this utility model momentum slide block.
In figure：1st, device body frame, 2, hinge, 3, protection cap, 4, slideway, 5, elongated hole is installed, 6, transverse horizontal chi, 7, longitudinally
Horizon rule, 8, slide block drawer, 9, momentum slide block, 10, sleeve, 11, sphenocephaly supporting leg, 12, base, 13, connecting spring, 14, rotation
Button, 15, wedge shape cut somebody's hair, 16, lock, 17, magnetic force chute, 18, step, 19, connecting bolt, 20, handle, 21, rubber cushion, 22, sliding
Block frame, 23, magnetic force slide rail, 24, mark joint strip, 25, pushing hands.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
Refer to Fig. 1-6, this utility model provides a kind of technical scheme：A kind of magnetic suspension momentum apparatus for demonstrating, including dress
Put body frame 1, described device body frame 1 is hinged with protection cap 3 by a combined page 2, and described device body frame 1 is provided with one group of slideway
4, described slideway 4 both sides all offer one group of installation elongated hole 5, and described slideway 4 is by described installation elongated hole 5 and described device body frame
1 is detachably connected, and the both sides of described device body frame 1 are provided with transverse horizontal chi 6, and the middle part of described device body frame 1 is provided with
Vertical equity chi 7, the side wall of described device body frame 1 is provided with one group of slide block drawer 8, is placed with one in described slide block drawer 8
Group momentum slide block 9, described device body frame 1 bottom is provided with one group of sleeve 10, is arranged with sphenocephaly supporting leg 11 in described sleeve 10,
Described sphenocephaly supporting leg 11 lower end is provided with base 12, and described sphenocephaly supporting leg 11 passes through one group of connecting spring 13 and described sleeve
10 connections, described sleeve 10 side is bolted with knob 14, and described knob 14 end and wedge shape are cut somebody's hair and 15 be rotatably assorted, described wedge shape
Cut somebody's hair and 15 coordinate with described sphenocephaly supporting leg 11, described protection cap 3 one end is provided with lock 16, described lock 16 and described device
Body frame 1 is adapted to, and described slideway 4 offers magnetic force chute 17, and described magnetic force chute 17 is slidably matched with described momentum slide block 9,
Described slideway 4 both sides are provided with step 18, and described step 18 offers described installation elongated hole 5, described installation elongated hole 5 and company
Connecting bolt 19 is adapted to, and described slide block drawer 8 end is provided with handle 20, and described base 12 lower end is sticked and has rubber cushion 21, described dynamic
Amount slide block 9 includes slider frame 22, magnetic force slide rail 23, mark joint strip 24 and pushing hands 25, and described magnetic force slide rail 23 is arranged on described
The bottom of slider frame 22, described mark joint strip 24 and described pushing hands 25 are arranged at the top of described slider frame 22, described magnetic force
Slide rail 23 is adapted to described magnetic force chute 17.
Operation principle：When using this magnetic suspension momentum apparatus for demonstrating, device body frame 1 can be placed on dais etc. and put down by teacher
On face, then screw knob 14, when knob 14 screws out, then cut somebody's hair 15 will be to sleeve 10 external movement, at this moment wedge shape for wedge shape
Head supporting leg 11 will be to the internal motion of sleeve 10 so that placing device in the plane under the pulling function of connecting spring 13
The height reduction of body frame 1, on the contrary by during knob 14 precession, then sphenocephaly supporting leg 11 can be cut somebody's hair 15 promotions by wedge shape, and sphenocephaly props up
Lower limb 11 stretches out the partial variable-length of sleeve 10 so that the height of device body frame 1 raises, and such design makes the height of device body frame 1
Degree can be finely adjusted, and the cooperation by transverse horizontal chi 6 and vertical equity chi 7, and device body frame 1 is adjusted to horizontal position
Put, slide block drawer 8 is pulled open, take out momentum slide block 9 from slide block drawer 8, on the magnetic force slide rail 23 of momentum slide block 9 and slideway 4
Offer magnetic force chute 17 to coordinate, magnetic force slide rail 23 and magnetic force chute 17 homopolar-repulsion, under the magneticaction repelling each other, momentum is slided
Block 9 can be suspended on slideway 4, is not in contact with rubbing between momentum slide block 9 and slideway 4, promotes very flexible, real when carrying out momentum
Test room, user selects a slideway 4, can respectively hold a momentum slide block 9 by both hands, the mark joint strip 24 on momentum slide block 9 can paste
The quality of upper momentum slide block 9, then promotes two or more momentum slide block 9 move toward one another or chases motion, when momentum slide block 9 touches
After hitting, observe the motion of multiple momentum slide blocks 9, coordinate because momentum slide block 9 is suspended with slideway 4, contactless friction, energy loss
Little, so test result is very accurate, student can be allowed to obtain when seeing the perfect condition being more nearly the noenergy loss that no rubs
The experimental result arriving.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with multiple changes in the case of without departing from principle of the present utility model and spirit, repair
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of magnetic suspension momentum apparatus for demonstrating, including device body frame（1）It is characterised in that：Described device body frame（1）By one
Combined page（2）With protection cap（3）Hinged, described device body frame（1）On be provided with one group of slideway（4）, described slideway（4）Both sides are equal
Offer one group of installation elongated hole（5）, described slideway（4）By described installation elongated hole（5）With described device body frame（1）Detachably connect
Connect, described device body frame（1）Both sides be provided with transverse horizontal chi（6）, described device body frame（1）Middle part be provided with longitudinal direction
Horizon rule（7）, described device body frame（1）Side wall on be provided with one group of slide block drawer（8）, described slide block drawer（8）Middle placement
There is one group of momentum slide block（9）, described device body frame（1）Bottom is provided with one group of sleeve（10）, described sleeve（10）Inside it is arranged with
Sphenocephaly supporting leg（11）, described sphenocephaly supporting leg（11）Lower end is provided with base（12）, described sphenocephaly supporting leg（11）By one
Group connecting spring（13）With described sleeve（10）Connect, described sleeve（10）Side is bolted with knob（14）, described knob（14）
Cut somebody's hair with wedge shape in end（15）It is rotatably assorted, described wedge shape is cut somebody's hair（15）With described sphenocephaly supporting leg（11）Cooperation.
2. a kind of magnetic suspension momentum apparatus for demonstrating according to claim 1 it is characterised in that：Described protection cap（3）One end
It is provided with lock（16）, described lock（16）With described device body frame（1）Adaptation.
3. a kind of magnetic suspension momentum apparatus for demonstrating according to claim 1 it is characterised in that：Described slideway（4）On open up
There is magnetic force chute（17）, described magnetic force chute（17）With described momentum slide block（9）It is slidably matched, described slideway（4）Both sides are all provided with
It is equipped with step（18）, described step（18）On offer described installation elongated hole（5）, described installation elongated hole（5）With connecting bolt
（19）Adaptation.
4. a kind of magnetic suspension momentum apparatus for demonstrating according to claim 1 it is characterised in that：Described slide block drawer（8）End
Portion is provided with handle（20）.
5. a kind of magnetic suspension momentum apparatus for demonstrating according to claim 1 it is characterised in that：Described base（12）Lower end is pasted
It is provided with rubber cushion（21）.
6. a kind of magnetic suspension momentum apparatus for demonstrating according to claim 1 it is characterised in that：Described momentum slide block（9）Bag
Include slider frame（22）, magnetic force slide rail（23）, mark joint strip（24）And pushing hands（25）, described magnetic force slide rail（23）It is arranged on described
Slider frame（22）Bottom, described mark joint strip（24）With described pushing hands（25）It is arranged at described slider frame（22）Top,
Described magnetic force slide rail（23）With described magnetic force chute（17）Adaptation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620564701.2U CN205959507U (en) | 2016-06-14 | 2016-06-14 | Magnetcisuspension formula momentum presentation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620564701.2U CN205959507U (en) | 2016-06-14 | 2016-06-14 | Magnetcisuspension formula momentum presentation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205959507U true CN205959507U (en) | 2017-02-15 |
Family
ID=57967688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620564701.2U Expired - Fee Related CN205959507U (en) | 2016-06-14 | 2016-06-14 | Magnetcisuspension formula momentum presentation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205959507U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110731633A (en) * | 2019-09-25 | 2020-01-31 | 海宁金茂五金有限公司 | magnetic levitation type multi-section buffering mute noise reduction slide rail structure |
-
2016
- 2016-06-14 CN CN201620564701.2U patent/CN205959507U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110731633A (en) * | 2019-09-25 | 2020-01-31 | 海宁金茂五金有限公司 | magnetic levitation type multi-section buffering mute noise reduction slide rail structure |
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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 |
Granted publication date: 20170215 Termination date: 20170614 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |