CN206960024U - A kind of Physical Experiment weight beam for being conveniently replaceable spring - Google Patents
A kind of Physical Experiment weight beam for being conveniently replaceable spring Download PDFInfo
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- CN206960024U CN206960024U CN201720963226.0U CN201720963226U CN206960024U CN 206960024 U CN206960024 U CN 206960024U CN 201720963226 U CN201720963226 U CN 201720963226U CN 206960024 U CN206960024 U CN 206960024U
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Abstract
The utility model provides a kind of Physical Experiment weight beam for being conveniently replaceable spring, is related to student's field of mechanical technique.This is conveniently replaceable the Physical Experiment weight beam of spring, including dynamometer body, the frontal left of the dynamometer body is fixedly connected with measuring scale, the positive center of the dynamometer body offers the first aperture, the inwall both sides of the dynamometer body have been fixedly connected with square, and the upper surface of the square is placed with top plate.This is conveniently replaceable the Physical Experiment weight beam of spring, by the way that there is provided pulling block, pull bar, adjustable spring and cavity, Physical Experiment is set to be conveniently replaceable spring with weight beam, effectively solves weight beam due to the relation for being often used in doing between pulling force and elongation, the limiting length and yield strength of spring can be studied, such that spring breaking down needs to change, and the spring in current weight beam is not easy to change, the problem of having slowed down experiment progress.
Description
Technical field
Student's field of mechanical technique is the utility model is related to, specially a kind of Physical Experiment spring for being conveniently replaceable spring
Dynamometer.
Background technology
With the arrival of 21st century, scientific and technological level improves constantly, and level of education is also improving constantly, from conventional book
This knowledge is gradually evolved into the educational mode that books combine with experiment, and wherein physics subject can do many experiments, and experiment may require that
Many plant equipment, and weight beam is exactly one of them.
Weight beam can study the limiting length of spring due to the relation for being often used in doing between pulling force and elongation
And yield strength, such that spring breaking down needs to change, and the spring in current weight beam is not easy to change, and subtracts
The slow progress of experiment.
Utility model content
（One）The technical problem of solution
In view of the shortcomings of the prior art, the utility model provides a kind of Physical Experiment for being conveniently replaceable spring and surveyed with spring
Power meter, solve the problems, such as to mention in above-mentioned background technology.
（Two）Technical scheme
To realize object above, the utility model is achieved by the following technical programs：A kind of spring of being conveniently replaceable
Physical Experiment weight beam, including dynamometer body, the frontal left of the dynamometer body are fixedly connected with measuring scale,
The positive center of the dynamometer body offers the first aperture, the inwall both sides side of being fixedly connected with of the dynamometer body
Block, the upper surface of the square are placed with top plate, and the upper face center of the top plate offers second orifice, the dynamometer sheet
The inwall of body is fixedly connected with fixed plate, and the upper surface of the fixed plate is fixedly connected with fix bar, set above the top plate
Jacking block is equipped with, the one end of the fix bar away from fixed plate is fixedly connected through second orifice and with jacking block, the fixed plate
Lower surface both sides have been fixedly connected with fixed block, and limited block is provided between two fixed blocks, and the lower surface of the limited block is consolidated
Surely dynamometer spring is connected with, the one end of the dynamometer spring away from limited block is fixedly connected with horizontal block, the positive surface cover of the horizontal block
Gag lever post is connected to, the front of the dynamometer body is provided with marking peg, and the one end of the gag lever post away from horizontal block is small through first
Kong Bingyu marking pegs are fixedly connected.
The inside of the fixed block offers cavity, and the both sides of the limited block open up fluted, and the cavity is remote
The inwall of limited block has been respectively fixedly connected with spring strut and protection board, and the protection board is located at the inside of spring strut, the protection
Side of the plate away from cavity is fixedly connected with adjustable spring, and the one end of the adjustable spring away from protection board is fixedly connected with circle
Plate, side of the plectane away from adjustable spring are fixedly connected with fixed column, and the cavity is internally provided with movable plate, described
The one end of fixed column away from plectane is run through the inwall of spring strut and is fixedly connected with movable plate, and the movable plate is away from fixed column
Side is fixedly connected with limited post, and the one end of the limited post away from movable plate is run through the inwall of cavity and extended in groove
Portion, side of the plectane away from fixed column are fixedly connected with pull bar, and the pull bar is located at the inside of adjustable spring, the dynamometry
The both sides of meter body are provided with pulling block, and the one end of the pull bar away from plectane sequentially passes through the side of protection board, in cavity
The inwall of wall and dynamometer body is simultaneously fixedly connected with pulling block.
Preferably, screw is provided with above the top plate, the end of thread of the screw through the upper surface of top plate and prolongs
Reach the inside of square.
Preferably, the front of the jacking block offers the 3rd aperture.
Preferably, the side fixed cover of the plectane is connected to the first rubber ring, the outer ring of first rubber ring and spring
The inwall of cylinder is flexibly connected.
Preferably, the side fixed cover of the movable plate is connected to the second rubber ring, outer ring and the sky of second rubber ring
The inwall of chamber is flexibly connected.
Preferably, side of the horizontal block away from dynamometer spring is fixedly connected with montant, and the lower surface of the montant is fixed
Orientation block is connected with, the lower surface of the orientation block is fixedly connected with hook.
（Three）Beneficial effect
The utility model provides a kind of Physical Experiment weight beam for being conveniently replaceable spring, possesses following beneficial to effect
Fruit：
1st, the Physical Experiment weight beam for being conveniently replaceable spring, by there is provided pulling block, pull bar, adjustable spring and
Cavity, makes Physical Experiment be conveniently replaceable spring with weight beam, effectively solves weight beam and is done due to being often used in
Relation between pulling force and elongation, the limiting length and yield strength of spring can be studied, such that spring breaking down needs
Change, and the spring in current weight beam is not easy to change, the problem of having slowed down experiment progress.
2nd, the Physical Experiment weight beam for being conveniently replaceable spring, by setting the first rubber ring, reduce plectane with
Friction between spring strut, extends the service life of spring strut, and dynamometer spring can not be changed after effectively solving once experiment
The problem of.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is left view of the present utility model；
Fig. 3 is the sectional view of Section A-A in the utility model Fig. 2；
Fig. 4 is the enlarged drawing at B in the utility model Fig. 3.
Wherein, 1 dynamometer body, 2 first apertures, 3 marking pegs, 4 measuring scales, 5 gag lever posts, 6 top plates, 7 squares, 8 screws, 9
Fixed plate, 10 fix bars, 11 second orifices, 12 jacking blocks, 13 the 3rd apertures, 14 limited blocks, 15 dynamometer springs, 16 orientation blocks, 17
Hook, 18 fixed blocks, 19 cavitys, 20 grooves, 21 spring struts, 22 protection boards, 23 adjustable springs, 24 plectanes, 25 first rubber rings,
26 fixed columns, 27 movable plates, 28 second rubber rings, 29 limited posts, 30 pull bars, 31 pulling blocks, 32 horizontal blocks, 33 montants.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
The utility model embodiment provides a kind of Physical Experiment weight beam for being conveniently replaceable spring, such as Fig. 1-4 institutes
Show, including dynamometer body 1, the frontal left of dynamometer body 1 is fixedly connected with measuring scale 4, in the front of dynamometer body 1
Centre offers the first aperture 2, and the inwall both sides of dynamometer body 1 have been fixedly connected with square 7, and the upper surface of square 7 is placed with
Top plate 6, the top of top plate 6 are provided with screw 8, and the end of thread of screw 8 through the upper surface of top plate 6 and extends to the interior of square 7
Portion, by setting screw 8, make fixation between top plate 6 and square 7, the upper face center of top plate 6 offers second orifice
11, the inwall of dynamometer body 1 is fixedly connected with fixed plate 9, and the upper surface of fixed plate 9 is fixedly connected with fix bar 10, top plate 6
Top be provided with jacking block 12, the front of jacking block 12 offers the 3rd aperture 13, by set the 3rd aperture 13, make jacking block 12 just
To be fixed in other objects, the one end of fix bar 10 away from fixed plate 9 is fixedly connected through second orifice 11 and with jacking block 12, Gu
The lower surface both sides of fixed board 9 have been fixedly connected with fixed block 18, and limited block 14, limited block 14 are provided between two fixed blocks 18
Lower surface be fixedly connected with dynamometer spring 15, the one end of dynamometer spring 15 away from limited block 14 is fixedly connected with horizontal block 32, horizontal
The front of block 32 is socketed with gag lever post 5, and the front of dynamometer body 1 is provided with marking peg 3, the one end of gag lever post 5 away from horizontal block 32
It is fixedly connected through the first aperture 2 and with marking peg 3, side of the horizontal block 32 away from dynamometer spring 15 is fixedly connected with montant 33, erects
The lower surface of bar 33 is fixedly connected with orientation block 16, and the lower surface of orientation block 16 is fixedly connected with hook 17.
The inside of fixed block 18 offers cavity 19, and the both sides of limited block 14 open up fluted 20, and cavity 19 is away from limit
The inwall of position block 14 has been respectively fixedly connected with spring strut 21 and protection board 22, and protection board 22 is located at the inside of spring strut 21, protection
Side of the plate 22 away from cavity 19 is fixedly connected with adjustable spring 23, by setting protection board 22, prevents adjustable spring 23 and sky
The directly contact of chamber 19 causes cavity 19 to damage, and the one end of adjustable spring 23 away from protection board 22 is fixedly connected with plectane 24, plectane
24 side fixed cover is connected to the first rubber ring 25, and the outer ring of the first rubber ring 25 is flexibly connected with the inwall of spring strut 21, leads to
Cross and the first rubber ring 25 is set, reduce the friction between plectane 24 and spring strut 21, extend the service life of spring strut 21, prevent
The problem of can not changing dynamometer spring 15 after once testing, side of the plectane 24 away from adjustable spring 23 is fixedly connected with fixed column
26, cavity 19 is internally provided with movable plate 27, and the side fixed cover of movable plate 27 is connected to the second rubber ring 28, the second rubber ring
28 outer ring is flexibly connected with the inwall of cavity 19, by setting the second rubber ring 28, reduces movable plate 27 and the inwall of cavity 19
Between friction, extend cavity 19 service life, the one end of fixed column 26 away from plectane 24 through spring strut 21 inwall simultaneously
It is fixedly connected with movable plate 27, side of the movable plate 27 away from fixed column 26 is fixedly connected with limited post 29, and limited post 29 is remote
One end of movable plate 27 runs through the inwall of cavity 19 and extends to the inside of groove 20, and side of the plectane 24 away from fixed column 26 is consolidated
Surely pull bar 30 is connected with, pull bar 30 is located at the inside of adjustable spring 23, and the both sides of dynamometer body 1 are provided with pulling block 31, draws
The one end of bar 30 away from plectane 24 sequentially passes through the inwall of the side of protection board 22, the inwall of cavity 19 and dynamometer body 1 simultaneously
It is fixedly connected with pulling block 31.
Operation principle：When needing to change dynamometry pull bar 30, pulling block 31 is pulled outwardly, makes the pull bar 30 being connected with pulling block 31, with
The plectane 24 that pull bar 30 connects, the adjustable spring 23 being connected with plectane 24 compresses, so that the fixed column 26 being connected with plectane 24,
The movable plate 27 being connected with fixed column 26, the limited post 29 being connected with movable plate 27 depart from groove 20.
In summary, Physical Experiment weight beam for being conveniently replaceable spring, by the way that there is provided pulling block 31, pull bar
30th, adjustable spring 23 and cavity 19, make Physical Experiment be conveniently replaceable spring with weight beam, effectively solve spring dynamometry
Counting due to the relation for being often used in doing between pulling force and elongation, can study the limiting length and yield strength of spring, so
Spring breaking down can be caused to need to change, and the spring in current weight beam is not easy to change, and has slowed down experiment progress
Problem, this is conveniently replaceable the Physical Experiment weight beam of spring, by setting the first rubber ring 25, reduces plectane 24 and bullet
Friction between spring cylinder 21, extend the service life of spring strut 21, dynamometry bullet can not be changed after effectively solving once experiment
The problem of spring 15.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order, moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.
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 a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of Physical Experiment weight beam for being conveniently replaceable spring, including dynamometer body（1）, it is characterised in that：Institute
State dynamometer body（1）Frontal left be fixedly connected with measuring scale（4）, the dynamometer body（1）Positive center open up
There is the first aperture（2）, the dynamometer body（1）Inwall both sides be fixedly connected with square（7）, the square（7）It is upper
Surface is placed with top plate（6）, the top plate（6）Upper face center offer second orifice（11）, the dynamometer body（1）
Inwall be fixedly connected with fixed plate（9）, the fixed plate（9）Upper surface be fixedly connected with fix bar（10）, the top plate
（6）Top be provided with jacking block（12）, the fix bar（10）Away from fixed plate（9）One end run through second orifice（11）And with
Jacking block（12）It is fixedly connected, the fixed plate（9）Lower surface both sides be fixedly connected with fixed block（18）, two fixed blocks
（18）Between be provided with limited block（14）, the limited block（14）Lower surface be fixedly connected with dynamometer spring（15）, the survey
Power spring（15）Away from limited block（14）One end be fixedly connected with horizontal block（32）, the horizontal block（32）Front socket limited location
Bar（5）, the dynamometer body（1）Front be provided with marking peg（3）, the gag lever post（5）Away from horizontal block（32）One end pass through
Wear the first aperture（2）And and marking peg（3）It is fixedly connected；
The fixed block（18）Inside offer cavity（19）, the limited block（14）Both sides open up it is fluted（20）,
The cavity（19）Away from limited block（14）Inwall be respectively fixedly connected with spring strut（21）And protection board（22）, the protection
Plate（22）Positioned at spring strut（21）Inside, the protection board（22）Away from cavity（19）Side be fixedly connected with adjustable spring
（23）, the adjustable spring（23）Away from protection board（22）One end be fixedly connected with plectane（24）, the plectane（24）It is remote
Adjustable spring（23）Side be fixedly connected with fixed column（26）, the cavity（19）Be internally provided with movable plate（27）, institute
State fixed column（26）Away from plectane（24）One end run through spring strut（21）Inwall and and movable plate（27）It is fixedly connected, it is described
Movable plate（27）Away from fixed column（26）Side be fixedly connected with limited post（29）, the limited post（29）Away from movable plate
（27）One end run through cavity（19）Inwall and extend to groove（20）Inside, the plectane（24）Away from fixed column（26）
Side be fixedly connected with pull bar（30）, the pull bar（30）Positioned at adjustable spring（23）Inside, the dynamometer body（1）
Both sides be provided with pulling block（31）, the pull bar（30）Away from plectane（24）One end sequentially pass through protection board（22）Side
Face, cavity（19）Inwall and dynamometer body（1）Inwall and and pulling block（31）It is fixedly connected.
A kind of 2. Physical Experiment weight beam for being conveniently replaceable spring according to claim 1, it is characterised in that：Institute
State top plate（6）Top be provided with screw（8）, the screw（8）The end of thread run through top plate（6）Upper surface and the side of extending to
Block（7）Inside.
A kind of 3. Physical Experiment weight beam for being conveniently replaceable spring according to claim 1, it is characterised in that：Institute
State jacking block（12）Front offer the 3rd aperture（13）.
A kind of 4. Physical Experiment weight beam for being conveniently replaceable spring according to claim 1, it is characterised in that：Institute
State plectane（24）Side fixed cover be connected to the first rubber ring（25）, first rubber ring（25）Outer ring and spring strut（21）
Inwall be flexibly connected.
A kind of 5. Physical Experiment weight beam for being conveniently replaceable spring according to claim 1, it is characterised in that：Institute
State movable plate（27）Side fixed cover be connected to the second rubber ring（28）, second rubber ring（28）Outer ring and cavity（19）
Inwall be flexibly connected.
A kind of 6. Physical Experiment weight beam for being conveniently replaceable spring according to claim 1, it is characterised in that：Institute
State horizontal block（32）Away from dynamometer spring（15）Side be fixedly connected with montant（33）, the montant（33）Lower surface fix connect
It is connected to orientation block（16）, the orientation block（16）Lower surface be fixedly connected with hook（17）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720963226.0U CN206960024U (en) | 2017-08-03 | 2017-08-03 | A kind of Physical Experiment weight beam for being conveniently replaceable spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720963226.0U CN206960024U (en) | 2017-08-03 | 2017-08-03 | A kind of Physical Experiment weight beam for being conveniently replaceable spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206960024U true CN206960024U (en) | 2018-02-02 |
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ID=61380358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720963226.0U Expired - Fee Related CN206960024U (en) | 2017-08-03 | 2017-08-03 | A kind of Physical Experiment weight beam for being conveniently replaceable spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206960024U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645546A (en) * | 2018-06-11 | 2018-10-12 | 江苏省溧水弹簧厂（普通合伙） | A kind of spring dynamometer easy to repair |
| CN108871625A (en) * | 2018-08-08 | 2018-11-23 | 南通瑞斯电子有限公司 | A kind of novel spring dynamometer |
-
2017
- 2017-08-03 CN CN201720963226.0U patent/CN206960024U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108645546A (en) * | 2018-06-11 | 2018-10-12 | 江苏省溧水弹簧厂（普通合伙） | A kind of spring dynamometer easy to repair |
| CN108871625A (en) * | 2018-08-08 | 2018-11-23 | 南通瑞斯电子有限公司 | A kind of novel spring dynamometer |
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| 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: 20180202 Termination date: 20180803 |
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| CF01 | Termination of patent right due to non-payment of annual fee |