CN206907302U - A kind of Physical Experiment apparatus for demonstrating - Google Patents
A kind of Physical Experiment apparatus for demonstrating Download PDFInfo
- Publication number
- CN206907302U CN206907302U CN201720431073.5U CN201720431073U CN206907302U CN 206907302 U CN206907302 U CN 206907302U CN 201720431073 U CN201720431073 U CN 201720431073U CN 206907302 U CN206907302 U CN 206907302U
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- spring
- sleeve
- sets
- support
- spring spool
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Abstract
The utility model discloses a kind of Physical Experiment apparatus for demonstrating, including support and spring spool, support base is set on the support, the both ends of the support base are respectively provided with connecting rod, sleeve is arranged outside the connecting rod, the sleeve is rotatablely connected with connecting rod, brace is set on the sleeve, the one end of the brace away from sleeve sets fixed pulley, the side of the sleeve away from brace of one end also sets up support bar, first link is set on the support bar, one end of the spring spool sets cover plate, the spring spool is slidably connected with support base, second link is set on the cover plate, sliding block is set in the spring spool, one end of the sliding block sets spring, the other end of the spring is connected with cover plate, the one end of the sliding block away from spring in same plane and sets the 3rd link with spring spool.The beneficial effects of the utility model are：Student can be allowed to understand Hooke's law intuitive, clearly, moreover it is possible to verify that the effect of power between object is mutual.
Description
Technical field
The utility model relates generally to physical experiment equipment field, specifically a kind of Physical Experiment apparatus for demonstrating.
Background technology
The law of elasticity of Hooke is pointed out：Spring when elastic deformation occurs, the elastic force F of the spring and elongation x of spring into
Direct ratio, i.e. F=kx, wherein, k is the coefficient of elasticity of material, and it is only determined by the property of material, unrelated with other factors,
In addition, there is a physical phenomenon in the study of Middle School Physics：With in opposite direction, two power of size identical draw spring to both ends
Dynamometer, the size of a power can be only shown, it is identical to be fixed with one end and only draw one end effect, and its principle is that the effect of power is
Mutual, but many classmates have certain difficulty in understanding, can be mistakenly considered weight beam will show the pulling force on both sides
Sum, can design a kind of apparatus for demonstrating can both verify that Hooke's law and can intuitively showed that the effect of power is phase to classmates
Mutual.
Utility model content
To solve deficiency of the prior art, the utility model provides a kind of Physical Experiment apparatus for demonstrating, can allow student
Hooke's law is understood intuitive, clearly, moreover it is possible to which the opposite power of utilization orientation draws spring to both ends, one end with only drawing spring, separately
Action effect when one end is fixed is identical, and the effect of power is mutual between checking object.
The utility model to achieve the above object, is achieved through the following technical solutions：
A kind of Physical Experiment apparatus for demonstrating, including support and spring spool, support base, the support are set on the support
The both ends of seat are respectively provided with connecting rod, and sleeve is arranged outside the connecting rod, and the sleeve is rotatablely connected with connecting rod, on the sleeve
Brace is set, and the one end of the brace away from sleeve sets fixed pulley, and one of them described sleeve also sets up support bar, the branch
First link is set on strut, and one end of the spring spool sets cover plate, and the spring spool is slidably connected with support base, institute
State and the second link is set on cover plate, sliding block is set in the spring spool, one end of the sliding block sets spring, the spring
The other end is connected with cover plate, and the one end of the sliding block away from spring in same plane and sets the 3rd link with spring spool.
The fastening bolt of fixes sleeve is provided on the sleeve.
Connecting seat is set on the spring spool, the first chute being adapted with connecting seat, institute are set on the support base
State the one end of connecting seat away from spring spool and roller is set.
Graduation mark is set on the sliding block.
The one end of the spring spool away from support bar sets several through holes.
The support includes base, and supporting plate, side and support of the supporting plate away from base are set on the base
Seat connection, the one end of the base away from support bar set the second chute, pull plate are set in second chute.
Contrast and prior art, the utility model beneficial effect are：
1st, the utility model can allow student to understand Hooke's law intuitive, clearly, moreover it is possible to the opposite power of utilization orientation to
Spring is drawn at both ends, and one end with only drawing spring, the action effect when other end is fixed is identical, verifies the work of power between object
With being mutual.
2nd, the fastening bolt of fixes sleeve is provided on the utility model sleeve, fixes sleeve can be facilitated.
The 3rd, the first chute being adapted with connecting seat is set on the utility model support base and set on connecting seat and is rolled
Wheel, can be advantageous to spring spool and be slided along support base.
4th, graduation mark is set on the utility model sliding block, experimenter can be facilitated to observe the elongation of spring.
5th, the one end of the utility model spring spool away from support bar sets several through holes, is added and lubricated by through hole
Oil, overcome the frictional force between sliding block and spring spool, can be advantageous to verify Hooke's law.
6th, the one end of the utility model base away from support bar sets pull plate, is increase experiment when verifying Hooke's law
Accuracy, spring spool is typically in vertical state, and now pull plate can increase the contact area between base and ground, increases
Add the stability of support.
Brief description of the drawings
Accompanying drawing 1 is structural representation one of the present utility model.
Accompanying drawing 2 is structural representation two of the present utility model.
Accompanying drawing 3 is structural representation three of the present utility model.
Accompanying drawing 4 is the structural representation of spring spool.
Label shown in accompanying drawing：1st, spring spool；11st, cover plate；12nd, connecting seat；13rd, the first chute；14th, through hole；15th, roll
Wheel；2nd, support base；21st, connecting rod；22nd, sleeve；23rd, brace；24th, fastening bolt；3rd, fixed pulley；4th, support bar；41st, first hang
Ring；42nd, the second link；5th, sliding block；51st, spring；52nd, the 3rd link；53rd, graduation mark；6th, base；7th, supporting plate；8th, pull plate.
Embodiment
With reference to the drawings and specific embodiments, the utility model is described in further detail.It should be understood that these embodiments are only used for
Illustrate the utility model rather than limitation the scope of the utility model.In addition, it is to be understood that reading the utility model instruction
Content after, those skilled in the art can make various changes or modifications to the utility model, and these equivalent form of values equally fall
In scope defined herein.
A kind of Physical Experiment apparatus for demonstrating, including support and spring spool 1, it is characterised in that：Branch is set on the support
Seat 2 is supportted, the both ends of the support base 2 are respectively provided with connecting rod 21, sleeve 22 are arranged outside the connecting rod 21, the sleeve 22 is with connecting
Extension bar 21 is rotatablely connected, and brace 23 is set on the sleeve 22, and the one end of the brace 23 away from sleeve 22 sets fixed pulley 3,
One of them described sleeve 22 also sets up support bar 4, and preferably support bar 4 is oppositely arranged with brace 23, is set on the support bar 4
First link 41, one end of the spring spool 1 set cover plate 11, and the spring spool 1 is slidably connected with support base 2, described
Second link 42 is set on cover plate 11, sliding block 5 is set in the spring spool 1, one end of the sliding block 5 sets spring 51, institute
The other end for stating spring 51 is connected with cover plate 11, the one end of the sliding block 5 away from spring 51 and spring spool 1 in same plane and
3rd link 52 is set.When verifying Hooke's law, support is erected to come, spring spool 1 is placed vertically, fixed pulley 3 is turned to
Side away from spring spool 1, is connected between the first link 41, the second link 42 with connecting rope, (as shown in Figure 1) and then will
Weight (such as counterweight) is suspended on the 3rd link 52, the spring after the pulling force that weight effect lower spring 51 is subject to, under tension
51 elongations, sliding block 5 skids off spring spool 1, now measures sliding block 5 and skids off the length of sleeve 22 both elongations of spring 51, according to
Hooke's law simultaneously tries to achieve coefficient of elasticity by the above-mentioned pulling force measured and elongation, and operator's gradation number mounts the weight of different weight
Thing, and Hooke's law is verified by formula F=kx, Hooke's law is understood intuitive, clearly.Power between checking object
Act on mutually, the first step：By support traverse, spring spool 1 is set laterally to put, by 3 turns of support bar 4 and the fixed pulley of lower end
To close to the side (as shown in Figure 2) of spring spool 1, connected between the first link 41, the second link 42 with connecting rope, by separately
A piece connecting rope one end is connected on the 3rd link 52, and the other end hangs weight A around fixed pulley 3, records the elongation of spring 51
a；Second step：Connecting rope is removed from the first link 41, turnbarrel 22 makes two fixed pulleys 3 turn to close to spring spool
1 side (as shown in Figure 3), connecting rope is hung into weight A or article with the weight such as weight A around fixed pulley 3, records spring 51
Elongation b.Measurement result, a=b, it was demonstrated that the opposite power of utilization orientation draws spring 51 to both ends, and one with only drawing spring 51
End, the action effect when other end is fixed is identical, and power acts on mutually between checking object.
Preferably, the fastening bolt 24 of fixes sleeve 22, after being fixed with bolt, sleeve 22 are provided on the sleeve 22
It can not be rotated along connecting rod 21, fixes sleeve 22 can be facilitated.
Preferably, connecting seat 12 is set on the spring spool 1, sets on the support base 2 and is adapted with connecting seat 12
The first chute 13, one end away from spring spool 1 of the connecting seat 12 sets roller 15, reduces connecting seat 12 and support base 2
Between frictional force, spring spool 1 can be advantageous to and slided along support base 2, reduce frictional force checking object power effect
Reciprocal influence.
Preferably, graduation mark 53 is set on the sliding block 5, experimenter can be facilitated to observe the elongation of spring 51, it is sliding
Block 5 skids off the length of sleeve 22 both elongations of spring 51, conveniently obtains the quick elongation for taking spring 51.
Preferably, the described one end of spring spool 1 away from support bar 4 sets several through holes 14, is added by through hole 14
Lubricating oil, overcome the frictional force between sliding block 5 and spring spool 1, can be advantageous to verify Hooke's law.
Preferably, the support includes base 6, sets supporting plate 7 on the base 6, the supporting plate 7 is away from base 6
Side be connected with support base 2, one end away from support bar 4 of the base 6 sets the second chute, is set in second chute
Pull plate 8, is the accuracy of increase experiment when verifying Hooke's law, and spring spool 1 is typically in vertical state, now pull plate
8 can increase the contact area between base 6 and ground, increase the stability of support.
Embodiment：
A kind of Physical Experiment apparatus for demonstrating, including support and spring spool 1, it is characterised in that：Branch is set on the support
Seat 2 is supportted, the both ends of the support base 2 are respectively provided with connecting rod 21, sleeve 22 are arranged outside the connecting rod 21, the sleeve 22 is with connecting
Extension bar 21 is rotatablely connected, and the fastening bolt 24 of fixes sleeve 22 is provided on the sleeve 22, is set on the sleeve 22 oblique
Bar 23, the one end of the brace 23 away from sleeve 22 set fixed pulley 3, and one of them described sleeve 22 also sets up support bar 4, institute
State and the first link 41 is set on support bar 4, the support includes base 6, and supporting plate 7, the supporting plate are set on the base 6
7 side away from base 6 is connected with support base 2, one end setting second chute of the base 6 away from support bar 4, and described second
Pull plate 8 is set in chute.One end of the spring spool 1 sets cover plate 11, and the spring spool 1 slides with support base 2 to be connected
Connect, connecting seat 12 be set on the spring spool 1, the first chute 13 being adapted with connecting seat 12 is set on the support base 2,
The one end of the connecting seat 12 away from spring spool 1 sets roller 15.The top of the spring spool 1 sets the second link 42,
Sliding block 5 is set in the spring spool 1, graduation mark 53 is set on the sliding block 5, the spring spool 1 away from support bar 4 one
End sets several through holes 14, and one end of the sliding block 5 sets spring 51, and the other end of the spring 51 is connected with cover plate 11,
The one end of the sliding block 5 away from spring 51 in same plane and sets the 3rd link 52 with spring spool 1.The present embodiment it is beneficial
Effect is：The first chute 13 being adapted with connecting seat 12 is set on support base 2 and roller 15 is set on connecting seat 12,
Spring spool 1 can be advantageous to slide along support base 2；The one end of base 6 away from support bar 4 sets pull plate 8, when checking Hooke
It is the accuracy of increase experiment during law, spring spool 1 is typically in vertical state, and now pull plate 8 can increase base 6 and ground
Contact area between face, increase the stability of support.
Claims (6)
1. a kind of Physical Experiment apparatus for demonstrating, including support and spring spool (1), it is characterised in that：Branch is set on the support
Seat (2) is supportted, the both ends of the support base (2) are respectively provided with connecting rod (21), sleeve (22) is arranged outside the connecting rod (21), described
Sleeve (22) is rotatablely connected with connecting rod (21), brace (23) is set on the sleeve (22), the brace (23) is away from sleeve
(22) one end sets fixed pulley (3), and the side of the sleeve (22) away from brace (23) of one end also sets up support bar (4),
First link (41) is set on the support bar (4), and one end of the spring spool (1) sets cover plate (11), the spring housing
Cylinder (1) is slidably connected with support base (2), and the second link (42) is set on the cover plate (11), is set in the spring spool (1)
Sliding block (5), one end of the sliding block (5) set spring (51), and the other end of the spring (51) is connected with cover plate (11), described
The one end of sliding block (5) away from spring (51) in same plane and sets the 3rd link (52) with spring spool (1).
A kind of 2. Physical Experiment apparatus for demonstrating according to claim 1, it is characterised in that：Set and use on the sleeve (22)
Fastening bolt (24) in fixes sleeve (22).
A kind of 3. Physical Experiment apparatus for demonstrating according to claim 1, it is characterised in that：Set on the spring spool (1)
Connecting seat (12) is put, the first chute (13) being adapted with connecting seat (12), the connecting seat are set on the support base (2)
(12) one end away from spring spool (1) sets roller (15).
A kind of 4. Physical Experiment apparatus for demonstrating according to claim 1, it is characterised in that：Set and carve on the sliding block (5)
Spend line (53).
A kind of 5. Physical Experiment apparatus for demonstrating according to claim 1 or 4, it is characterised in that：The spring spool (1) is remote
One end from support bar (4) sets several through holes (14).
A kind of 6. Physical Experiment apparatus for demonstrating according to claim 1, it is characterised in that：The support includes base (6),
Supporting plate (7) is set on the base (6), and side of the supporting plate (7) away from base (6) is connected with support base (2), described
The one end of base (6) away from support bar (4) sets the second chute, and pull plate (8) is set in second chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720431073.5U CN206907302U (en) | 2017-04-21 | 2017-04-21 | A kind of Physical Experiment apparatus for demonstrating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720431073.5U CN206907302U (en) | 2017-04-21 | 2017-04-21 | A kind of Physical Experiment apparatus for demonstrating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206907302U true CN206907302U (en) | 2018-01-19 |
Family
ID=61290980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720431073.5U Expired - Fee Related CN206907302U (en) | 2017-04-21 | 2017-04-21 | A kind of Physical Experiment apparatus for demonstrating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206907302U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108713857A (en) * | 2018-05-07 | 2018-10-30 | 河南工程学院 | A kind of instrumental music playing reminding rack |
| CN109389889A (en) * | 2018-11-22 | 2019-02-26 | 高明旭 | A kind of combined teaching active force and reaction demonstrator |
| CN109545045A (en) * | 2019-01-21 | 2019-03-29 | 林芃 | Hooke's law experiment equipment |
-
2017
- 2017-04-21 CN CN201720431073.5U patent/CN206907302U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108713857A (en) * | 2018-05-07 | 2018-10-30 | 河南工程学院 | A kind of instrumental music playing reminding rack |
| CN109389889A (en) * | 2018-11-22 | 2019-02-26 | 高明旭 | A kind of combined teaching active force and reaction demonstrator |
| CN109545045A (en) * | 2019-01-21 | 2019-03-29 | 林芃 | Hooke's law experiment equipment |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180119 Termination date: 20190421 |