CN206975885U - A kind of mechanics apparatus for demonstrating - Google Patents
A kind of mechanics apparatus for demonstrating Download PDFInfo
- Publication number
- CN206975885U CN206975885U CN201720514916.8U CN201720514916U CN206975885U CN 206975885 U CN206975885 U CN 206975885U CN 201720514916 U CN201720514916 U CN 201720514916U CN 206975885 U CN206975885 U CN 206975885U
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- CN
- China
- Prior art keywords
- board
- test block
- demonstration board
- chute
- demonstration
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Abstract
It the utility model is related to mechanics demonstration equipment technical field, and in particular to a kind of mechanics apparatus for demonstrating, it includes demonstration board, and the bottom of the demonstration board is provided with extension board, and the bottom of extension board is provided with base；The top of the demonstration board is provided with overhead guard；The demonstration board surface middle part is provided with separator bar, and demonstration board is separated into left test block and right test block；Chute is provided with the left test block and right test block, chute top is provided with spring station；Fastener is provided with the top of chute；Vertical guide is installed, the bottom of vertical guide is provided with the tensiometer of draw-bar donamometer in the chute；It has it is easy to use, it is visual in image, can quickly help to understand mechanics rudimentary knowledge, be greatly enhanced efficiency of teaching.
Description
Technical field
It the utility model is related to mechanics demonstration equipment technical field, and in particular to a kind of mechanics apparatus for demonstrating.
Background technology
Elastic force is also known as " elastic force ".After object is deformed upon by external force effect, if removing external force, the original shape of thing physical efficiency recovery
The power of shape, it is called " elastic force ".Its direction with make object produce deformation external force it is in opposite direction.Because the deformation of object have it is a variety of
It is various, so caused elastic force also has a variety of forms.For example, a weight is placed on plastic plate, the plastics being bent will
Restore to the original state, produce upward elastic force, here it is its holding power to weight.One object is hung on spring, object is spring
Elongate, the spring being elongated will restore to the original state, and produce upward elastic force, here it is its pulling force to object.Not only plastics, spring
Etc. that can deform upon, any object can deform upon, and the object not deformed upon is not present.But with deformation
It is obvious, can directly it see；Some deformation is quite small, it is necessary to just can perceive out with instrument.Elastic deformation occurs for spring
When, in elastic limit, the size of elastic force extends with spring（Or shorten）Length it is directly proportional.And for bullet caused by spring
Power, it is related to the elongation of the coefficient of elasticity of spring, pulling force and spring, traditional books are lectured or wall chart explanation, it is impossible to
Contrast demonstration intuitively is carried out, causes instruction efficiency low.
The content of the invention
The defects of the purpose of this utility model is to be directed to prior art and deficiency, there is provided a kind of mechanics apparatus for demonstrating, it
Using Liang Ge contrast experiments area is set, it is provided with two spring stations and is provided with the measurement group of the survey spring elongation of linkage
Part, to carry out contrast demonstration to three key elements for influenceing elastic force；It has it is easy to use, it is visual in image, can quickly help to manage
Mechanical foundation knowledge is solved, is greatly enhanced efficiency of teaching.
A kind of mechanics apparatus for demonstrating described in the utility model, it includes demonstration board, and the bottom of the demonstration board, which is provided with, prolongs
Plate is stretched, the bottom of extension board is provided with base；The top of the demonstration board is provided with overhead guard；The demonstration board surface middle part is set
There is separator bar, demonstration board is separated into left test block and right test block；Cunning is provided with the left test block and right test block
Groove, chute top are provided with spring station；Fastener is provided with the top of chute；Vertical guide is installed, vertically in the chute
The bottom of guide rail is provided with the tensiometer of draw-bar donamometer, and the both sides of tensiometer are provided with protrusive board one, screw is drilled with protrusive board one
Hole, it is screwed in demonstration board；On the left test block and right test block, measurement assembly is provided with the outside of chute；
The measurement assembly is made up of tape measure, registration roller, magnifying glass and support frame；The tape measure is fixed on demonstration board
Portion, registration roller are arranged on immediately below tape measure, and registration roller is arranged on support frame, and support frame is arranged on demonstration board bottom side；Institute
The band edge of the measuring tape in tape measure is stated around on registration roller to the drag hook of tensiometer；
Further, it is correspondingly arranged on LED at left and right sides of the top surface of the overhead guard.
Further, it is provided with hook one in the middle part of the top surface of the overhead guard.
Further, the bottom of the handle of the tensiometer is provided with protrusive board two, is provided with pin-and-hole on protrusive board two, on pin-and-hole
It is provided with positioning pin rod；The position of pin-and-hole on protrusive board two is coordinated to be provided with some vertically disposed alignment pins on the extension board
Hole.
Further, the left and right sides bottom of the demonstration board is correspondingly arranged on clipboard, among clipboard surface crown
Ticket-holder is provided with, the bottom of clipboard is provided with horizontal pen bag.
After said structure, the utility model has the beneficial effect that：A kind of mechanics apparatus for demonstrating described in the utility model,
It is provided with two spring stations and is provided with the measurement group of the survey spring elongation of linkage using Liang Ge contrast experiments area is set
Part, to carry out contrast demonstration to three key elements for influenceing elastic force；It has it is easy to use, it is visual in image, can quickly help to manage
Mechanical foundation knowledge is solved, is greatly enhanced efficiency of teaching.
【Brief description of the drawings】
Accompanying drawing described herein is to be further understood for providing to of the present utility model, forms one of the application
Point, but do not form to improper restriction of the present utility model, in the accompanying drawings：
Fig. 1 is the utility model structure diagram；
Description of reference numerals：
1st, demonstration board；2nd, LED；3rd, left test block；4th, one is linked up with；5th, right test block；6th, measurement assembly；61st, tape measure；
62nd, measuring tape；63rd, magnifying glass；64th, support frame；65th, registration roller；7th, chute；8th, spring station；9th, clipboard；10th, pulling force
Instrument；11st, extension board；12nd, base；13rd, dowel hole；14th, protrusive board two.
【Embodiment】
Describe the utility model in detail below in conjunction with accompanying drawing and specific embodiment, illustrative examples therein with
And explanation is only used for explaining the utility model, but it is not intended as to restriction of the present utility model.
As shown in figure 1, a kind of mechanics apparatus for demonstrating described in present embodiment, it includes demonstration board 1, the demonstration board
1 bottom is provided with extension board 11, and the bottom of extension board 11 is provided with base 12；The top of the demonstration board 1 is provided with overhead guard；
The surface middle part of demonstration board 1 is provided with separator bar, and demonstration board 1 is separated into left test block 3 and right test block 5；The left reality
Test on area 3 and right test block 5 and be provided with chute 7, the top of chute 7 is provided with spring station 8；The top of chute 7 is provided with hook
Button；Vertical guide is installed, the bottom of vertical guide is provided with the tensiometer 10 of draw-bar donamometer, tensiometer 10 in the chute 7
Both sides be provided with protrusive board one, be drilled with screw hole on protrusive board one, be screwed in demonstration board 1；The He of left test block 3
On right test block 5, measurement assembly 6 is provided with the outside of chute；
The measurement assembly 6 is made up of tape measure 61, registration roller 65, magnifying glass 63 and support frame 64；The tape measure 61 is solid
The top of demonstration board 1 is scheduled on, registration roller 65 is arranged on immediately below tape measure 61, and registration roller 65 is arranged on support frame 64, support frame 64
Installed in the bottom side of demonstration board 1；The band edge of measuring tape 62 in the tape measure 61 is around registration roller 65 to tensiometer 10
On drag hook；
As one kind of the present utility model preferably, it is correspondingly arranged on LED 2 at left and right sides of the top surface of the overhead guard.
As one kind of the present utility model preferably, hook 1 is provided with the middle part of the top surface of the overhead guard.
As one kind of the present utility model preferably, the bottom of the handle of the tensiometer 10 is provided with protrusive board 2 14, protrusive board
Pin-and-hole is provided with 2 14, positioning pin rod is provided with pin-and-hole；Coordinate the position of pin-and-hole on protrusive board 2 14 on the extension board 11
It is provided with some vertically disposed dowel holes 13.
As one kind of the present utility model preferably, the left and right sides bottom of the demonstration board 1 is correspondingly arranged on clipboard 9,
Ticket-holder is provided among the surface crown of clipboard 9, the bottom of clipboard 9 is provided with horizontal pen bag.
Operation principle of the present utility model is as follows:
In the design, the two of installation Comparison on the spring station on the top of chute 7 on left test block 3 and right test block 5
Individual experiment spring（Two experiment springs are different using spring constant, but initial its length is identical）, the design is in phase
On same pulling force, to demonstrate the elongation of the different experiment spring of two spring constants.
When in use, on the fastener at the top that the top for testing spring is fixed on chute 7, screw is then unclamped again, is being led
The position of section tensiometer 10 is set on rail, screw is reused and fixes；The pulling force gib head of tensiometer 10 is hooked in experiment spring bottom end again
Circle buckle, while the measuring tape 62 in measurement assembly 6 is also buckled on the pulling force gib head of tensiometer 10, now recorded
The initial value of measuring tape 62；To two tensiometers 10 on demonstration board 1, handle design identical pulling force is held,
The dowel hole 13 being plugged in by pin rod on extension board 11 is fixed；It is initial in identical pulling force, identical so as to simulate
Two experiment springs of length, the change contrast of its elongation.When pulling tensiometer, pulling force gib head retraction dragging spring is drawn
It is long, while drive measuring tape 62 to extend.We only see the final numerical value of the measuring tape 62 after elongation, will be final
Numerical value subtracts initial value, then quickly obtains very much the elongation of spring.And recorded on clipboard 9.Clipboard can be with
Using blank, the ticket-holder on clipboard can also clamp recording sheet, taken part in horizontal pen bag and be provided with lettering pen.
In order to facilitate observation, the design is mounted with LED 2, so as to convenient illumination.In the design, design hook 1 and bottom
Seat 12, it is convenient to be fixed on blackboard or be placed on desk, so as to convenient demonstration.
A kind of mechanics apparatus for demonstrating described in the utility model, it is provided with two using Liang Ge contrast experiments area is set
Spring station and the measurement assembly for surveying spring elongation for being provided with linkage, are drilled to carry out contrast to three key elements for influenceing elastic force
Show；It has it is easy to use, it is visual in image, can quickly help to understand mechanics rudimentary knowledge, be greatly enhanced efficiency of teaching
Described above is only better embodiment of the present utility model, therefore all according to described in the utility model patent application range
The equivalent change or modification done of construction, feature and principle, be included in the utility model patent application range.
Claims (5)
- A kind of 1. mechanics apparatus for demonstrating, it is characterised in that：It includes demonstration board, and the bottom of the demonstration board is provided with extension board, prolonged The bottom for stretching plate is provided with base；The top of the demonstration board is provided with overhead guard；The demonstration board surface middle part is provided with separation Line, demonstration board is separated into left test block and right test block；Chute, chute are provided with the left test block and right test block Top is provided with spring station；Fastener is provided with the top of chute；Vertical guide, the bottom of vertical guide are installed in the chute Portion is provided with the tensiometer of draw-bar donamometer, and the both sides of tensiometer are provided with protrusive board one, are drilled with screw hole on protrusive board one, pass through spiral shell Silk is fixed on demonstration board；On the left test block and right test block, measurement assembly is provided with the outside of chute；The measurement assembly It is made up of tape measure, registration roller, magnifying glass and support frame；The tape measure is fixed on demonstration board top, and registration roller is arranged on tape measure Underface, registration roller are arranged on support frame, and support frame is arranged on demonstration board bottom side；Measuring tape in the tape measure Band edge is around on registration roller to the drag hook of tensiometer.
- A kind of 2. mechanics apparatus for demonstrating according to claim 1, it is characterised in that：It is right at left and right sides of the top surface of the overhead guard LED should be provided with.
- A kind of 3. mechanics apparatus for demonstrating according to claim 1, it is characterised in that：It is provided with the middle part of the top surface of the overhead guard Hook one.
- A kind of 4. mechanics apparatus for demonstrating according to claim 1, it is characterised in that：The bottom of the handle of the tensiometer is set Protrusive board two is equipped with, pin-and-hole is provided with protrusive board two, positioning pin rod is provided with pin-and-hole；Coordinate on the extension board and sold on protrusive board two The position in hole is provided with some vertically disposed dowel holes.
- A kind of 5. mechanics apparatus for demonstrating according to claim 1, it is characterised in that：The left and right sides bottom of the demonstration board Clipboard is correspondingly arranged on, ticket-holder is provided among clipboard surface crown, the bottom of clipboard is provided with horizontal pen bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720514916.8U CN206975885U (en) | 2017-05-10 | 2017-05-10 | A kind of mechanics apparatus for demonstrating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720514916.8U CN206975885U (en) | 2017-05-10 | 2017-05-10 | A kind of mechanics apparatus for demonstrating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206975885U true CN206975885U (en) | 2018-02-06 |
Family
ID=61413781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720514916.8U Expired - Fee Related CN206975885U (en) | 2017-05-10 | 2017-05-10 | A kind of mechanics apparatus for demonstrating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206975885U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844670A (en) * | 2018-06-20 | 2018-11-20 | 苏州市众寅弹簧制造有限公司 | Simple tension spring tension detection device |
-
2017
- 2017-05-10 CN CN201720514916.8U patent/CN206975885U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844670A (en) * | 2018-06-20 | 2018-11-20 | 苏州市众寅弹簧制造有限公司 | Simple tension spring tension detection device |
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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: 20180206 Termination date: 20200510 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |