CN209591238U - A kind of statics demonstration teaching aid - Google Patents
A kind of statics demonstration teaching aid Download PDFInfo
- Publication number
- CN209591238U CN209591238U CN201821981790.6U CN201821981790U CN209591238U CN 209591238 U CN209591238 U CN 209591238U CN 201821981790 U CN201821981790 U CN 201821981790U CN 209591238 U CN209591238 U CN 209591238U
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- China
- Prior art keywords
- arc groove
- experimental bench
- statics
- teaching aid
- demonstration teaching
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Abstract
The utility model relates to experiment teaching aid technical fields, in particular a kind of statics demonstration teaching aid, including experimental bench, it is centrally located on experimental bench to be equipped with movable component, experimental bench, which is equipped with, adjusts component, the first arc groove is offered on experimental bench, the bottom end of first arc groove offers the first card slot, the second arc groove is offered on experimental bench, the bottom end of second arc groove offers the second card slot, it is centrally located on experimental bench to offer rectangular channel, sliding slot is offered on the two sides cell wall of rectangular channel, the right side of rectangular channel is equipped with several jacks, the utility model passes through setting experimental bench and movable component, to realize the effect for demonstrating static trial of different sizes, avoid abstract the case where imparting knowledge to students, in addition the adjusting component also by being arranged on the experimental bench, component direction and size are freely adjusted to realize Effect, avoids that experimental data is single to be unfavorable for the case where understanding.
Description
Technical field
The utility model relates to experiment teaching aid technical field, specially a kind of statics demonstration teaching aid.
Background technique
Statics is an important branch of rational mechanics, Balance when main research point is stress effect, in work
Exist in journey technology and be widely applied, is the professional knowledge background of science and engineering subject.However at present almost without being specially designed for
The teaching aid that statics teaching uses, existing teaching method is still based on conventional teaching or multimedia courseware, and student is in statics
On understanding and learning efficiency it is not high enough, also intuitively can not observe and recognize, in consideration of it, it is proposed that a kind of statics demonstrate
Teaching aid.
Utility model content
The purpose of this utility model is to provide a kind of statics demonstration teaching aids, to solve to propose in above-mentioned background technique to ask
Topic.
To achieve the above object, the utility model provides the following technical solutions:
A kind of statics demonstration teaching aid, including experimental bench, it is centrally located on the experimental bench to be equipped with movable component, institute
It states experimental bench and is equipped with adjusting component；
The first arc groove is offered on the experimental bench, the bottom end of first arc groove offers the first card slot, described
The second arc groove is offered on experimental bench, the bottom end of second arc groove offers the second card slot, is located on the experimental bench
Central location offers rectangular channel, and sliding slot is offered on the two sides cell wall of the rectangular channel, and the right side of the rectangular channel is equipped with
Several jacks；
The movable component includes sliding block, and the sliding block is embedded in rectangular channel, and linking is closely welded on the sliding block
Column is closely welded with two pull rings on the engaging column, pull rod is closely welded on the engaging column, the end of the pull rod is opened
Equipped with through-hole, the two sides of the sliding block are closely welded with convex block, and the convex block is embedded in sliding slot, and the pull rod is equipped with and holds
The bottom end of the handle is closely welded with inserted link, and the bottom end of the inserted link is closely welded with first annular protrusion；
The adjusting component includes two adjustable columns, and two adjustable columns are embedded at the first arc groove and the second arc respectively
In shape slot, the top of the adjustable column is closely welded with nose bar, and the adjustable column is equipped with dynamometer, and the adjustable column is equipped with
Screw thread is threaded with stop nut on the adjustable column, and the bottom end of the adjustable column is closely welded with the second annular protrusion.
Preferably, there are six the jack is set altogether, the linear equidistant arrangement of jack.
Preferably, the inserted link runs through through-hole, and the diameter of the handle and first annular protrusion is all larger than the aperture of through-hole.
Preferably, mating between the first annular protrusion and jack.
Preferably, it mutually socket-connects between the lantern ring and nose bar of described dynamometer one end, the hook system of described dynamometer one end
Flexible rope, the other end of elastic string are lain on the pull ring for being in sustained height with the dynamometer.
Preferably, the difference of the height between the adjustable column height in outside and the adjustable column in inside, which is greater than, surveys
The thickness of power meter.
Preferably, the width of first arc groove is equal with the width of the second arc groove, the diameter of the stop nut
Greater than the width of the first arc groove.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model is by demonstrating static(al) of different sizes to can realize in the setting experimental bench and movable component
The effect of experiment avoids abstract the case where imparting knowledge to students；
2, the utility model freely adjusts component direction to can realize by the adjusting component being arranged on the experimental bench
And the effect of size, avoid that experimental data is single to be unfavorable for the case where understanding.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the structure chart of experimental bench in the utility model；
Fig. 3 is the structure chart of movable component in the utility model；
Fig. 4 is the structure chart that component is adjusted in the utility model.
In figure: experimental bench 1, the first arc groove 11, the first card slot 111, the second arc groove 12, the second card slot 121, rectangular channel
13, sliding slot 131, jack 14, movable component 2, sliding block 21, engaging column 22, pull ring 23, pull rod 24, through-hole 241, convex block 25, handle
26, inserted link 27, it is first annular raised 271, adjust component 3, adjustable column 31, nose bar 32, dynamometer 33, stop nut 34, second
Annular protrusion 35.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution:
A kind of statics demonstration teaching aid, as shown in Figure 1, including experimental bench 1, centrally located be equipped with is lived on experimental bench 1
Dynamic component 2, experimental bench 1, which is equipped with, adjusts component 3.
In the present embodiment, experimental bench 1 use plastic material, thus can avoid experimental bench 1 be used for a long time after broken or
Situations such as corrosion, occurs, and overall weight is smaller conveniently moves.
As shown in Fig. 2, offering the first arc groove 11 on experimental bench 1, the bottom end of the first arc groove 11 offers the first card
Slot 111 offers the second arc groove 12 on experimental bench 1, and the bottom end of the second arc groove 12 offers the second card slot 121, experimental bench 1
It is above centrally located to offer rectangular channel 13, sliding slot 131, the right side of rectangular channel 13 are offered on the two sides cell wall of rectangular channel 13
Side is equipped with several jacks 14.
In the present embodiment, the first arc groove 11 and the second arc groove 12 are respectively positioned on the left side of experimental bench 1, the first arc groove 11
Extend on the left of experimental bench 1 round about with the second arc groove 12, when adjustable column 31 is respectively in the first arc groove 11 and second
In arc groove 12 after movement, the effect for showing component direction is realized.
In the present embodiment, there are six jack 14 is set altogether, the linear equidistant arrangement of jack 14, six jacks 14 are located at experimental bench
1 right side, and straight line where its center is overlapped with the center line of experimental bench 1, so as to by by inserted link 27 and first annular
Raised 271 grafting realize the effect of the size of adjusting force into different jacks 14.
As shown in figure 3, movable component 2 includes sliding block 21, sliding block 21 is embedded in rectangular channel 13, closely welds on sliding block 21
There is engaging column 22, two pull rings 23 are closely welded on engaging column 22, pull rod 24 is closely welded on engaging column 22, pull rod 24
End offers through-hole 241, and the two sides of sliding block 21 are closely welded with convex block 25, and convex block 25 is embedded in sliding slot 131, pull rod 24
It is equipped with handle 26, the bottom end of handle 26 is closely welded with inserted link 27, and the bottom end of inserted link 27 is closely welded with first annular protrusion
271。
In the present embodiment, convex block 25 is embedded in sliding slot 131, to can realize that convex block 25 is free to slide in sliding slot 131
Effect avoid the case where sliding block 21 is detached from rectangular channel 13 and since the cell wall of sliding slot 131 fixes convex block 25
Occur.
In the present embodiment, inserted link 27 runs through through-hole 241, and handle 26 and first annular raised 271 diameter are all larger than through-hole
241 aperture avoids handle 26 and runs through so that the effect limited to handle 26 and first annular raised 271 can be realized
The case where through-hole 241 and inserted link 27 are detached from through-hole 241 occurs.
It is mating between first annular raised 271 and jack 14 in the present embodiment, inserted link 27 is carried out to can realize
Limit fixed effect.
As shown in figure 4, adjusting component 3 includes two adjustable columns 31, two adjustable columns 31 are embedded at the first arc groove respectively
11 and second in arc groove 12, and the top of adjustable column 31 is closely welded with nose bar 32, and adjustable column 31 is equipped with dynamometer 33, adjusts
Column 31 is equipped with screw thread, is threaded with stop nut 34 on adjustable column 31, the bottom end of adjustable column 31 is closely welded with the second ring
Shape protrusion 35.
In the present embodiment, mutually socket-connect between the lantern ring and nose bar 32 of 33 one end of dynamometer, the hook of 33 one end of dynamometer
It is flexible rope, the other end of elastic string is lain on the pull ring 23 for being in sustained height with dynamometer 33, so that can realize will survey
Power meter 33 is fixed on the effect between adjustable column 31 and pull ring 23.
In the present embodiment, the difference of the height between 31 height of adjustable column in outside and the adjustable column 31 in inside is big
In the thickness of dynamometer 33, thus can avoid two dynamometers 33 due to the position of two adjustable columns 31 is mobile and appearance position is rushed
Prominent situation.
In the present embodiment, the width of the first arc groove 11 is equal with the width of the second arc groove 12, stop nut 34 it is straight
Diameter be greater than the first arc groove 11 width, by rotary spacing nut 34 to be close to experimental bench 1 table top, stop nut 34 with
Under frictional force effect between experimental bench 1, the effect fixed to two adjustable columns 31 is realized.
In the present embodiment, the outer annular diameter of the second annular protrusion 35 is greater than the width of the first arc groove 11, to can avoid
The case where two adjustable columns 31 are detached from the first arc groove 11 or the second arc groove 12 occurs.
The statics demonstration teaching aid of the present embodiment is in use, first on grip make 26 it is first annular raised 271 hanging,
And mobile handle 26, it is traversing in rectangular channel 13 so as to band movable slider 21, after mobile suitable position, by inserted link 27 and the
One annular protrusion, 271 grafting, to can realize to the limit fixed effect of inserted link 27, is slided at the same time into corresponding jack 14
The position of block 21 is also fixed, and due to the movement of sliding block 21, and then changes the pulling force that two dynamometers 33 are subject to, even dynamometry
Meter 33 shows stress size respectively；
In order to demonstrate force resolution, rotary spacing nut 34 is disengaged it from into experimental bench 1 first, then mobile two adjustings
Column 31, two adjustable columns 31 slide in the first arc groove 11 and the second arc groove 12 respectively, after being moved to different location, then
Secondary rotary spacing nut 34 makes its be close to experimental bench 1, and under the frictional force between experimental bench 1 and stop nut 34, realization is exchanged
The effect that segmented column 31 fixes finally can observe component size, In by the registration at reading on two dynamometers 33
The position of two adjustable columns 31 is constantly moved in experiment, it can be achieved that showing the effect of different angle component size.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Be only the utility model preference, be not intended to limit the utility model, do not departing from the spirit and scope of the utility model
Under the premise of, the utility model also has various changes and improvements, these changes and improvements both fall within claimed it is practical
In novel range.The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (7)
1. a kind of statics demonstration teaching aid, including experimental bench (1), it is characterised in that: centrally located on the experimental bench (1)
Equipped with movable component (2), the experimental bench (1), which is equipped with, adjusts component (3)；
It is offered the first arc groove (11) on the experimental bench (1), the bottom end of first arc groove (11) offers the first card
Slot (111) offers the second arc groove (12) on the experimental bench (1), and the bottom end of second arc groove (12) offers
Two draw-in groove (121), centrally located on the experimental bench (1) to offer rectangular channel (13), the two sides of the rectangular channel (13)
It is offered on cell wall sliding slot (131), the right side of the rectangular channel (13) is equipped with several jacks (14)；
The movable component (2) includes sliding block (21), and the sliding block (21) is embedded in rectangular channel (13), on the sliding block (21)
It is closely welded with engaging column (22), is closely welded with two pull rings (23) on the engaging column (22), on the engaging column (22)
It is closely welded with pull rod (24), the end of the pull rod (24) offers through-hole (241), and the two sides of the sliding block (21) are close
It is welded with convex block (25), the convex block (25) is embedded in sliding slot (131), and the pull rod (24) is equipped with handle (26), described
The bottom end of handle (26) is closely welded with inserted link (27), and the bottom end of the inserted link (27) is closely welded with first annular protrusion
(271)；
The adjusting component (3) includes two adjustable columns (31), and two adjustable columns (31) are embedded at the first arc groove respectively
(11) and in the second arc groove (12), the top of the adjustable column (31) is closely welded with nose bar (32), the adjustable column (31)
It is equipped with dynamometer (33), the adjustable column (31) is equipped with screw thread, is threaded with stop nut on the adjustable column (31)
(34), the bottom end of the adjustable column (31) is closely welded with the second annular protrusion (35).
2. statics demonstration teaching aid according to claim 1, it is characterised in that: there are six the jack (14) sets altogether, institute
State jack (14) linear equidistant arrangement.
3. statics demonstration teaching aid according to claim 1, it is characterised in that: the inserted link (27) runs through through-hole (241),
The diameter of the handle (26) and first annular raised (271) is all larger than the aperture of through-hole (241).
4. statics demonstration teaching aid according to claim 1, it is characterised in that: first annular raised (271) and insert
It is mating between hole (14).
5. statics demonstration teaching aid according to claim 1, it is characterised in that: the lantern ring of described dynamometer (33) one end with
Nose bar mutually socket-connects between (32), the flexible rope of hook system of described dynamometer (33) one end, the other end of elastic string lie in and
The dynamometer (33) is on the pull ring (23) of sustained height.
6. statics demonstration teaching aid according to claim 1, it is characterised in that: the adjustable column (31) positioned at outside is high
The difference of height between degree and the adjustable column (31) for being in inside is greater than the thickness of dynamometer (33).
7. statics demonstration teaching aid according to claim 1, it is characterised in that: the width of first arc groove (11) with
The width of second arc groove (12) is equal, and the diameter of the stop nut (34) is greater than the width of the first arc groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821981790.6U CN209591238U (en) | 2018-11-29 | 2018-11-29 | A kind of statics demonstration teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821981790.6U CN209591238U (en) | 2018-11-29 | 2018-11-29 | A kind of statics demonstration teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209591238U true CN209591238U (en) | 2019-11-05 |
Family
ID=68377682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821981790.6U Expired - Fee Related CN209591238U (en) | 2018-11-29 | 2018-11-29 | A kind of statics demonstration teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209591238U (en) |
-
2018
- 2018-11-29 CN CN201821981790.6U patent/CN209591238U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20191105 Termination date: 20211129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |