CN109215478A - A kind of Machine Design class demonstration teaching aid - Google Patents
A kind of Machine Design class demonstration teaching aid Download PDFInfo
- Publication number
- CN109215478A CN109215478A CN201811393735.XA CN201811393735A CN109215478A CN 109215478 A CN109215478 A CN 109215478A CN 201811393735 A CN201811393735 A CN 201811393735A CN 109215478 A CN109215478 A CN 109215478A
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- rotating roller
- spring
- rack gear
- movable block
- ball
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 26
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 230000001276 controlling effect Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
Abstract
The present invention relates to rote teaching field, specifically a kind of Machine Design class demonstration teaching aid, including bottom plate, vertical plate, rotating roller, handwheel, spring, mounting plate, guide post, movable block, ball, regulating device and regulating part；A vertical plate is fixedly mounted in bottom plate upper end two sides respectively, rotating roller is rotatablely connected between two vertical plates, spring is socketed in rotating roller outer ring, a mounting plate is respectively fixedly connected in two one upper lateral parts of vertical plate, be connected two guide posts disposed in parallel between two opposite mounting plates, is carved with dimension line on guide post, movable block is slidably mounted on guide post, ball is located between spring two spring coils therein, and spring pivotal squeezes ball for driving movable block to move along guide post；Regulating device is arranged in the present invention, can intuitively see correlation between the screw pitch variation of helix and amount of feeding variation, deepen the impression of student, improve the quality of teaching.
Description
Technical field
The present invention relates to rote teaching field, specifically a kind of Machine Design class demonstration teaching aid.
Background technique
In order to keep the teaching in Machine Design classroom lively, student is enable initiatively to be dissolved into classroom, it is necessary to
Theory and practice is combined.Currently, each school in the teaching process of the course, can combine corresponding teaching aid auxiliary mostly
Teaching so that student is no longer felt dull in this way, abstract content will be made to embody, can energetically be dissolved into classroom
Come, improves the initiative of study.Therefore the demonstration teaching aid for needing mechanical classroom, carries out aided education, and in existing teaching aid
There is no the teaching aids of relationship between demonstration helix and feeding, and the screw pitch variation that cannot demonstrate helix changes it with the amount of feeding
Between correlation so that student is not readily understood, causes quality of instruction not high when teaching this aspect knowledge.
Summary of the invention
In order to make up for the deficiencies of the prior art, a kind of Machine Design class demonstration teaching aid proposed by the present invention, passes through adjusting
Part controls the first rack gear and slides axially along rotating roller, so that one end that the first sliding block hauls spring is mobile, the first rack gear is mobile simultaneously
Make the second rack gear mobile by gear, the second rack gear is mobile so that the second sliding block hauls the other end movement of spring, so that bullet
Spring screw pitch uniformly changes, and then when enclosing by hand wheel rotating one, can intuitively find out movable block edge under different screw pitch
The displacement of guide post changes, and intuitively sees correlation between the screw pitch variation of helix and amount of feeding variation, deepens student
Impression, improve the quality of teaching.
The technical solution adopted by the present invention to solve the technical problems is: drilling in a kind of Machine Design classroom of the present invention
Display teaching aid, including bottom plate, vertical plate, rotating roller, handwheel, spring, mounting plate, guide post, movable block, ball, regulating device and tune
Save part；A vertical plate is fixedly mounted in bottom plate upper end two sides respectively, and rotating roller, rotating roller two are rotatablely connected between two vertical plates
End is fixedly connected with handwheel in the one of extension end of rotating roller through vertical plate corresponding thereto and stretching, rotating roller another
Extension end is equipped with regulating part, and the spring is socketed in rotating roller outer ring, and is located between two vertical plates, two one upper lateral parts of vertical plate
A mounting plate is respectively fixedly connected, be connected two guide posts disposed in parallel between two opposite mounting plates, is carved with size on guide post
Line, the movable block are slidably mounted on guide post, and the movable block is equipped with ball, the ball position close to rotating roller side
Between spring two spring coils therein, spring pivotal squeezes ball for driving movable block to move along guide post；
The regulating device includes the first sliding block, the second sliding block, the first rack gear, the second rack and pinion, the rotating roller outer ring
Two sliding slots parallel with rotation roll axis are symmetrically opened up, be slidably installed the first sliding block in a sliding slot, in another sliding slot
Be slidably installed the second sliding block, and the lower end of the first sliding is connected in the middle part of the first rack gear, and the first rack gear is slidably connected with rotating roller,
The lower end of second sliding block is connected in one end of the second rack gear, and the second rack gear is slidably connected with rotating roller, the first rack gear and the second tooth
Item is arranged in parallel, and is equipped with gear between the two, and the first rack gear is meshed with gear with the second rack gear, the gear rotation peace
Inside rotating roller, steel wire one end of spring is connected in the first sliding block side, and it is sliding that the steel wire other end of spring is connected in second
Block side, regulating part slide axially for controlling the first rack gear along rotating roller, the first rack gear it is mobile for drive the first sliding block and
Second sliding block, which synchronizes, to deviate from or close to each other.Teacher explain helical feed helix screw pitch and feeding between relationship when,
It is only capable of being explained by theory, this allows for student and cannot be intuitive understands this concept, and the rotation for passing through spring squeezes rubber
Glueballs controls the first rack gear by regulating part and slides axially along rotating roller, so that spring for driving movable block to move along guide post
It is tension or in compression and the screw pitch of spring is changed, thus when being enclosed by hand wheel rotating one, movable block edge under different screw pitch
The displacement of guide post changes, and intuitively sees correlation between the screw pitch variation of helix and amount of feeding variation, deepens student
Impression, improve the quality of teaching.
Preferably, the regulating part includes fixture block and adjustment axis, and the fixture block is connected in first rack gear one end, the adjusting
Axle thread is connected to rotating roller one end center, and the endless groove of cooperation fixture block insertion is equipped in the middle part of the adjustment axis.Adjustment axis rotation
And then the first rack gear is pushed to move axially along rotating roller.
Preferably, the snorkel through movable block is equipped in the middle part of the movable block, snorkel one end and ball are fixed and connected
It connects, the snorkel other end is connected by tracheae with gas source, and cavity is equipped with inside ball.In spring elongation, two spring coil
Between spacing increase, ball, which is inflated, becomes larger and adapts to the variation of above-mentioned spacing, so that transmission is more accurate.
Preferably, the gas source is a cylinder, and the cylinder is mounted on the vertical plate side of adjustment axis side by L-type supporting plate
Side, cylinder and adjustment axis are coaxially disposed, and adjustment axis one end end center is equipped with cylindrical hole, and cylinder is inserted into the telescopic rod end of cylinder
Hole is simultaneously connected by bearing with adjustment axis.Adjustment axis rotates and stretches out the distance increase of rotating roller, and then is expressed to cylinder, so that
Cylinder is pressurized and supplies to ball, without increasing peripheral hardware gas source.
Preferably, the connected mounting post of middle side part on the movable block, the mounting post middle part one support rod of grafting, institute
It states support rod one end and is fixedly connected support ring, the support ring is socketed in funnel outer ring, the funnel lower end face ball,
Graphite powder can be sprinkled to ball outside by funnel, thus the flexibility ratio during increasing screwfeed.
Preferably, the movable block side is equipped with the threaded hole through movable block, and threaded hole internal screw thread is connected to screw rod, spiral shell
Threaded hole is stretched out at bar both ends, and the screw rod is close to the connected elastic slice in one end of rotating roller.Screw rod is rotated and makes elastic slice position
Between two spring coils of spring, spring is when adjusting screw pitch, extrusion elastic deformation, when the spring coil of spring crosses elastic slice, bullet
Piece rebound generates vibration, consequently facilitating the graphite powder being stored in funnel is fallen in ball.
Preferably, the support ring inner ring is connected annular air-pocket, and the annular air-pocket is socketed in funnel outer ring, the leakage
The material of bucket is rubber, and annular air-pocket inner ring is connected drawstring one end, and drawstring is used to pull funnel deformity.Stone in the funnel of deformation
Ink powder is not easy to plug, consequently facilitating the whereabouts of graphite powder.
Preferably, the drawstring other end is fixedly connected with elastic slice.The vibration and swing of elastic slice are applied on funnel, thus
Convenient for the whereabouts of graphite powder.
Beneficial effects of the present invention are as follows:
The present invention controls the first rack gear by regulating part and slides axially along rotating roller, so that one end that the first sliding block hauls spring is moved
Dynamic, the first rack gear moves through gear and makes the second rack gear mobile, and the movement of the second rack gear is so that the second sliding block hauls spring
The other end is mobile, so that spring screw pitch uniformly changes, and then when being enclosed by hand wheel rotating one, can intuitively find out not
Displacement with movable block under screw pitch along guide post changes, and intuitively sees phase between the screw pitch variation of helix and amount of feeding variation
Mutual relation deepens the impression of student, improves the quality of teaching.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings.
Fig. 1 is three-dimensional structure diagram of the invention；
Fig. 2 is top view of the invention；
Fig. 3 is A-A cross-sectional view in Fig. 2；
Fig. 4 is partial enlarged view at E in Fig. 2；
Fig. 5 is partial enlarged view at F in Fig. 4；
In figure: bottom plate 11, vertical plate 12, rotating roller 13, handwheel 14, spring 15, mounting plate 16, guide post 17, movable block 18, ball
19, regulating device 2, the first sliding block 21, the second sliding block 22, the first rack gear 23, the second rack gear 24, gear 25, regulating part 3, fixture block
31, adjustment axis 32, snorkel 4, cylinder 5, L-type supporting plate 51, mounting post 6, support rod 61, support ring 62, funnel 63, annular air-pocket
64, screw rod 7, elastic slice 71, drawstring 8.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
As shown in Figures 1 to 5, a kind of Machine Design class demonstration teaching aid of the present invention, including bottom plate 11, vertical plate
12, rotating roller 13, handwheel 14, spring 15, mounting plate 16, guide post 17, movable block 18, ball 19, regulating device 2 and regulating part
3；A vertical plate 12 is fixedly mounted in the 11 upper end two sides of bottom plate respectively, is rotatablely connected rotating roller 13 between two vertical plates 12, turns
Dynamic 13 both ends of roller are run through vertical plate 12 corresponding thereto and are stretched out, and are fixedly connected with handwheel in the one of extension end of rotating roller 13
14, another extension end of rotating roller 13 is equipped with regulating part 3, and the spring 15 is socketed in 13 outer ring of rotating roller, and is located at two and stands
Between plate 12, two 12 1 upper lateral parts of vertical plate are respectively fixedly connected a mounting plate 16, are connected two between two opposite mounting plates 16
Root guide post 17 disposed in parallel is carved with dimension line on guide post 17, and the movable block 18 is slidably mounted on guide post 17, the movement
Block 18 is equipped with ball 19 close to 13 side of rotating roller, and the ball 19 is located between 15 therein two spring coils of spring, bullet
The rotation of spring 15 squeezes ball 19 for driving movable block 18 to move along guide post 17.
It is equipped with rectangular cavity in rotating roller 13, is equipped with sliding recess in the opposite two sides of cavity, it is recessed in each sliding
It is slidably connected slider bar in slot, the first rack gear 23 is fixedly connected on a slider bar wherein, in another slider bar
On be fixedly connected with the second rack gear 24, the second rack gear 24 is arranged in parallel with the first rack gear 23, and the second rack gear 24 and the first rack gear 23
The flank of tooth be oppositely arranged.
The regulating device 2 includes the first sliding block 21, the second sliding block 22, the first rack gear 23, the second rack gear 24 and gear 25,
13 outer ring of rotating roller symmetrically opens up two sliding slots parallel with 13 axis of rotating roller, is slidably installed first in a sliding slot
Sliding block 21, be slidably installed the second sliding block 22 in another sliding slot, and the lower end of the first sliding 21 is connected in the middle part of the first rack gear 23,
First rack gear 23 is slidably connected with rotating roller 13, and the lower end of the second sliding block 22 is connected in one end of the second rack gear 24, the second rack gear
24 are slidably connected with rotating roller 13, and the first rack gear 23 is arranged in parallel with the second rack gear 24, and are equipped with gear 25 between the two, and first
Rack gear 23 is meshed with gear 25 with the second rack gear 24, and the gear 25 is rotatably installed in inside rotating roller 13, spring 15
Steel wire one end is connected in 21 side of the first sliding block, and the steel wire other end of spring 15 is connected in 22 side of the second sliding block, and regulating part 3 is used
It slides axially in controlling the first rack gear 23 along rotating roller 13, the first rack gear 23 is mobile for driving the first sliding block 21 and the second sliding block
22 synchronize and deviate from or close to each other.Teacher is only capable of leading to when explaining relationship between the screw pitch and feeding of helix of helical feed
It crosses theory to be explained, this allows for student and cannot be intuitive understands this concept, and the rotation for passing through spring 15 squeezes ball
19 for driving movable block 18 to move along guide post 17, controls the first rack gear 23 by regulating part 3 and slides axially along rotating roller 13, makes
Spring 15 is tension or in compression and the screw pitch of spring 15 is changed, thus when by one circle of rotation of handwheel 14, different spiral shells
Displacement away from lower movable block 18 along guide post 17 changes, and intuitively sees phase between the screw pitch variation of helix and amount of feeding variation
Mutual relation deepens the impression of student, improves the quality of teaching.
As one embodiment of the present invention, the regulating part 3 includes fixture block 31 and adjustment axis 32, and the fixture block 31 is solid
It is connected in 23 one end of the first rack gear, the adjustment axis 32 is threaded in 13 one end center of rotating roller, sets in the middle part of the adjustment axis 32
The endless groove for thering is cooperation fixture block 31 to be embedded in.Adjustment axis 32 rotates and then the first rack gear 23 is pushed to move axially along rotating roller 13.
It is equipped with the snorkel 4 through movable block 18 as one embodiment of the present invention, in the middle part of the movable block 18, leads to
4 one end of tracheae is fixedly connected with ball 19, and 4 other end of snorkel is connected by tracheae with gas source, is equipped with inside ball 19
Cavity.When spring 15 stretches, spacing increases between two spring coil, and ball 19 inflates the change for becoming larger and adapting to above-mentioned spacing
Change, so that transmission is more accurate.
As one embodiment of the present invention, the gas source is a cylinder 5, and the cylinder 5 is installed by L-type supporting plate 51
In 12 side of vertical plate of 32 side of adjustment axis, cylinder 5 and adjustment axis 32 are coaxially disposed, and 32 one end end center of adjustment axis is equipped with circle
Post holes, the telescopic rod end insertion cylindrical hole of cylinder 5 are simultaneously connected by bearing with adjustment axis 32.Adjustment axis 32, which is rotated and stretched out, to be turned
The distance of dynamic roller 13 increases, and then is expressed to cylinder 5, so that cylinder 5 is pressurized and supplies to ball 19, without increasing peripheral hardware gas
Source.
As one embodiment of the present invention, the connected mounting post 6 of middle side part, the installation on the movable block 18
6 middle part grafting of column, one support rod 61, described 61 one end of support rod are fixedly connected support ring 62, and the support ring 62 is socketed in leakage
Struggle against 63 outer rings, the 63 lower end face ball 19 of funnel, can by funnel 63 to sprinkling graphite powder on the outside of ball 19, from
And increase the flexibility ratio during screwfeed.
As one embodiment of the present invention, 18 side of movable block is equipped with the threaded hole through movable block 18, spiral shell
Pit internal screw thread is connected to screw rod 7, and threaded hole is stretched out at 7 both ends of screw rod, and the screw rod 7 is close to one end of rotating roller 13 connected one
Elastic slice 71.Screw rod 7 is rotated and elastic slice 71 is located between two spring coils of spring 15, spring 15 is squeezed when adjusting screw pitch
Elastic slice 71 is pressed to deform, when the spring coil of spring 15 crosses elastic slice 71, the rebound of elastic slice 71 generates vibration, consequently facilitating being stored in funnel
Graphite powder in 63 is fallen in ball 19.
As one embodiment of the present invention, 62 inner ring of support ring is connected annular air-pocket 64, the annular gas
Capsule 64 is socketed in 63 outer ring of funnel, and the material of the funnel 63 is rubber, and 64 inner ring of annular air-pocket is connected 8 one end of drawstring, drawstring 8
For pulling funnel 63 to deform.Graphite powder in the funnel 63 of deformation is not easy to plug, consequently facilitating the whereabouts of graphite powder.
As one embodiment of the present invention, 8 other end of drawstring is fixedly connected with elastic slice 71.The vibration of elastic slice 71
And swing and be applied on funnel 63, consequently facilitating the whereabouts of graphite powder.
Working principle of the present invention is as follows:
Teacher is only capable of being explained by theory when explaining relationship between the screw pitch and feeding of helix of helical feed, this
It allows for student and cannot be intuitive understands this concept, ball 19 is squeezed for driving movable block 18 by the rotation of spring 15
Helix rotation forces movable block 18 can be demonstrated by, which moving along guide post 17, moves, and controls 23 edge of the first rack gear by regulating part 3
Rotating roller 13 slides axially, so that one end that the first sliding block 21 hauls spring 15 is mobile, the first rack gear 23 moves through gear
25 make the second rack gear 24 mobile, and the second rack gear 24 is mobile so that the second sliding block 22 other end for hauling spring 15 is mobile, so that
15 screw pitch of spring uniformly changes, and then when through one circle of rotation of handwheel 14, can intuitively find out that different screw pitch move down
Motion block 18 changes along the displacement of guide post 17, intuitively sees and mutually closing between the screw pitch variation of helix and amount of feeding variation
System, deepens the impression of student, improves the quality of teaching.
Although the present invention be illustrated by specific embodiment, it will be appreciated by those skilled in the art that, do not departing from
In the case where the scope of the invention, various transformation and equivalent substitute can also be carried out to the present invention.In addition, being directed to particular condition or material
Material, can do various modifications to the present invention, without departing from the scope of the present invention.Therefore, the present invention is not limited to disclosed tool
Body embodiment, and should include the whole embodiments fallen within the scope of the appended claims.
Claims (8)
1. a kind of Machine Design class demonstration teaching aid, including bottom plate (11), vertical plate (12), rotating roller (13), handwheel (14), spring
(15), mounting plate (16), guide post (17), movable block (18), ball (19), regulating device (2) and regulating part (3)；The bottom
A vertical plate (12) is fixedly mounted in plate (11) upper end two sides respectively, is rotatablely connected rotating roller (13) between two vertical plates (12), turns
Dynamic roller (13) both ends are run through vertical plate (12) corresponding thereto and are stretched out, and are fixedly connected in rotating roller (13) one of extension end
Handwheel (14), rotating roller (13) another extension end are equipped with regulating part (3), and the spring (15) is socketed in rotating roller (13) outside
Circle, and being located between two vertical plates (12), two (12) one upper lateral parts of vertical plate are respectively fixedly connected a mounting plate (16), and opposite two
Be connected two guide posts (17) disposed in parallel between a mounting plate (16), is carved with dimension line, the movable block on guide post (17)
(18) it is slidably mounted on guide post (17), it is characterised in that: the movable block (18) is equipped with rubber close to rotating roller (13) side
Ball (19), the ball (19) are located between spring (15) two spring coils therein, and spring (15) rotation squeezes ball
(19) for driving movable block (18) mobile along guide post (17)；
The regulating device (2) include the first sliding block (21), the second sliding block (22), the first rack gear (23), the second rack gear (24) and
Gear (25), rotating roller (13) outer ring symmetrically opens up two sliding slots parallel with rotating roller (13) axis, in a sliding slot
Inside be slidably installed the first sliding block (21), and be slidably installed the second sliding block (22) in another sliding slot, and the lower end of the first sliding (21) is solid
It is connected in the middle part of the first rack gear (23), the first rack gear (23) is slidably connected with rotating roller (13), and the lower end of the second sliding block (22) is solid
It is connected in one end of the second rack gear (24), the second rack gear (24) is slidably connected with rotating roller (13), the first rack gear (23) and the second tooth
Item (24) is arranged in parallel, and is equipped with gear (25) between the two, the first rack gear (23) and the second rack gear (24) with gear (25)
It is meshed, the gear (25) is rotatably installed in rotating roller (13) inside, and steel wire one end of spring (15) is connected in the first sliding block
(21) side, the steel wire other end of spring (15) are connected in the second sliding block (22) side, and regulating part (3) is for controlling the first rack gear
(23) it slides axially along rotating roller (13), the first rack gear (23) is mobile for driving the first sliding block (21) and the second sliding block (22) same
Step deviates from or close to each other.
2. a kind of Machine Design class demonstration teaching aid according to claim 1, it is characterised in that: regulating part (3) packet
Fixture block (31) and adjustment axis (32) are included, the fixture block (31) is connected in the first rack gear (23) one end, adjustment axis (32) screw thread
It is connected to rotating roller (13) one end center, the endless groove of cooperation fixture block (31) insertion is equipped in the middle part of the adjustment axis (32).
3. a kind of Machine Design class demonstration teaching aid according to claim 1 or 2, it is characterised in that: the movable block
(18) middle part is equipped with the snorkel (4) through movable block (18), and snorkel (4) one end is fixedly connected with ball (19), ventilates
Pipe (4) other end is connected by tracheae with gas source, and cavity is equipped with inside ball (19).
4. a kind of Machine Design class demonstration teaching aid according to claim 3, it is characterised in that: the gas source is a cylinder
(5), the cylinder (5) is mounted on vertical plate (12) side of adjustment axis (32) side, cylinder (5) and tune by L-type supporting plate (51)
Nodal axisn (32) coaxial arrangement, adjustment axis (32) one end end center are equipped with cylindrical hole, and cylinder is inserted into the telescopic rod end of cylinder (5)
Hole is simultaneously connected by bearing with adjustment axis (32).
5. a kind of Machine Design class demonstration teaching aid according to claim 1, it is characterised in that: on the movable block (18)
Middle side part is connected a mounting post (6), one support rod of grafting (61), described support rod (61) one end in the middle part of the mounting post (6)
It is fixedly connected support ring (62), the support ring (62) is socketed in funnel (63) outer ring, funnel (63) lower end face rubber
Glueballs (19).
6. a kind of Machine Design class demonstration teaching aid according to claim 5, it is characterised in that: movable block (18) side
Side is equipped with the threaded hole through movable block (18), and threaded hole internal screw thread is connected to screw rod (7), and screw thread is stretched out at screw rod (7) both ends
Hole, the screw rod (7) are connected an elastic slice (71) close to the one end of rotating roller (13).
7. a kind of Machine Design class demonstration teaching aid according to claim 6, it is characterised in that: in the support ring (62)
Circle is connected annular air-pocket (64), and the annular air-pocket (64) is socketed in funnel (63) outer ring, and the material of the funnel (63) is
Rubber, annular air-pocket (64) inner ring are connected drawstring (8) one end, and drawstring (8) is for pulling funnel (63) to deform.
8. a kind of Machine Design class demonstration teaching aid according to claim 7, it is characterised in that: the drawstring (8) is another
End is fixedly connected with elastic slice (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811393735.XA CN109215478B (en) | 2018-11-21 | 2018-11-21 | Mechanical design classroom demonstration teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811393735.XA CN109215478B (en) | 2018-11-21 | 2018-11-21 | Mechanical design classroom demonstration teaching aid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109215478A true CN109215478A (en) | 2019-01-15 |
| CN109215478B CN109215478B (en) | 2020-09-11 |
Family
ID=64993965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811393735.XA Expired - Fee Related CN109215478B (en) | 2018-11-21 | 2018-11-21 | Mechanical design classroom demonstration teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109215478B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2821469A1 (en) * | 2001-02-27 | 2002-08-30 | Jean Michaud | Teaching system for modelling mechanisms has interchangeable modules with connectors for modelling different static and kinematic inter-relations |
| CN203799566U (en) * | 2014-03-20 | 2014-08-27 | 浙江亚龙教育装备股份有限公司 | Mechanical transmission teaching aid |
| CN206097693U (en) * | 2016-08-05 | 2017-04-12 | 吉林工程技术师范学院 | Machine design class demonstration teaching aid |
| CN107195236A (en) * | 2016-03-14 | 2017-09-22 | 北京自动化控制设备研究所 | A kind of constant linear load simulating device |
| CN207115844U (en) * | 2017-05-13 | 2018-03-16 | 咸宁职业技术学院 | A kind of mechanical spiral drive teaching aid |
-
2018
- 2018-11-21 CN CN201811393735.XA patent/CN109215478B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2821469A1 (en) * | 2001-02-27 | 2002-08-30 | Jean Michaud | Teaching system for modelling mechanisms has interchangeable modules with connectors for modelling different static and kinematic inter-relations |
| CN203799566U (en) * | 2014-03-20 | 2014-08-27 | 浙江亚龙教育装备股份有限公司 | Mechanical transmission teaching aid |
| CN107195236A (en) * | 2016-03-14 | 2017-09-22 | 北京自动化控制设备研究所 | A kind of constant linear load simulating device |
| CN206097693U (en) * | 2016-08-05 | 2017-04-12 | 吉林工程技术师范学院 | Machine design class demonstration teaching aid |
| CN207115844U (en) * | 2017-05-13 | 2018-03-16 | 咸宁职业技术学院 | A kind of mechanical spiral drive teaching aid |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109215478B (en) | 2020-09-11 |
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Effective date of registration: 20200817 Address after: No.46, Xinchun South Road, qianzhuangju, Yuanqiao Town, Huangyan District, Taizhou City, Zhejiang Province Applicant after: Taizhou Huangyan Yingda plastic factory Address before: Room 1901, unit 1, building 16, Fenghuang City, Huaishang District, Bengbu City, Anhui Province Applicant before: Lu Kai |
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