CN209056166U - Multifunctional engine teaching bench - Google Patents
Multifunctional engine teaching bench Download PDFInfo
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- CN209056166U CN209056166U CN201821361512.0U CN201821361512U CN209056166U CN 209056166 U CN209056166 U CN 209056166U CN 201821361512 U CN201821361512 U CN 201821361512U CN 209056166 U CN209056166 U CN 209056166U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 230000001360 synchronised effect Effects 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 7
- 230000033001 locomotion Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 8
- 229910001060 Gray iron Inorganic materials 0.000 description 6
- 230000008450 motivation Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 230000002860 competitive effect Effects 0.000 description 1
- 210000003464 cuspid Anatomy 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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Abstract
The utility model discloses a kind of multifunctional engine teaching benchs, including rack, engine body, transmission mechanism and rotating mechanism, rack includes fixed station (4), bottom bracket (13) and cross bar (14), engine body includes the cylinder part (1) and head part (2) of engine, and drive mechanism includes motor (6), the first belt pulley (7), the second belt pulley (8), third belt pulley (9), the 4th belt pulley (10), the first belt (11) and the second belt (12).The multifunctional engine teaching bench of the utility model can be convenient the motion state of its internal each components when observing engine operation, and conveniently each components are dismounted and measured, and effectively improve quality of instruction.
Description
Technical field
The present invention relates to a kind of engine teaching auxiliary device more particularly to a kind of multifunctional engine teaching benchs.
Background technique
With the development of the society, each colleges and universities are increasingly competitive to receiving for student, and quality of instruction and teaching equipment
Configuration becomes the emphasis of student's examination.For automobile major, heart of the engine as automobile is with very more
Technology, most important thing when being automobile major teaching, describes relatively to be abstracted, indigestibility on books, just needs engine at this time
The equipment that structure is shown carry out explanation and practical operation, to achieve the purpose that improve the quality of teaching.
Summary of the invention
The present invention is to provide one to solve the inconvenient technical problem of observation engine operating when engine is imparted knowledge to students
Kind multifunctional engine teaching bench, can not only observe the working condition of each component when engine operation, but also can assist
Dismounting.
A kind of multifunctional engine teaching bench, including rack, engine body, transmission mechanism and rotating mechanism, start
Machine ontology includes the cylinder part and head part of engine, and cylinder part includes engine crankshaft and engine flywheel, cylinder body
Part and one end of cylinder body fixed frame are bolted, and the other end and the rack of cylinder body fixed frame are bolted, and head part includes
One end of engine cam, head part and cylinder cap fixed frame is bolted, the other end and rack bolt of cylinder cap fixed frame
The both ends of connection, engine crankshaft and engine cam are respectively provided with extending shaft, both ends extending shaft, the engine of engine crankshaft
The end of the both ends extending shaft of camshaft passes through bracing strut and is fixed on rack；
Drive mechanism includes motor, the first belt pulley, the second belt pulley, third belt pulley, the 4th belt pulley, the first skin
Band and the second belt, motor are arranged by support of motor and the first belt pulley are arranged on cross bar, on motor rotary shaft, and first
Belt pulley is connect by the first belt with the second belt pulley, the second belt pulley be sleeved on one end extending shaft of engine crankshaft and
It is connect by bolt with engine flywheel, is fixedly installed a block on the other end extending shaft of engine crankshaft, block passes through
Bolt is connect with third belt pulley and third belt pulley is sleeved on the other end extending shaft of engine crankshaft, engine cam
Both ends be respectively provided with extending shaft, third belt pulley is connect by the second belt with the 4th belt pulley, and the 4th belt pulley is sleeved on hair
Connect on one end extending shaft of motivation camshaft and by bolt with the block being arranged on one end extending shaft of engine cam
It connects；
Rotating mechanism includes being separately positioned on cylinder body and cylinder cap lateral surface to engage formed two by gear wheel and pinion gear
Sleeve gear group, shell, handle and stuck handle, the gear wheel on cylinder body lateral surface are connect by bolt with cylinder body, gear wheel and
Engine crankshaft is arranged concentrically and the diameter of the through-hole among gear wheel is greater than the diameter of engine crankshaft, third belt pulley, big
Gear and bracing strut are externally provided with shell, through-hole are provided in shell side, the second belt is allowed to be pierced by, the gear wheel on cylinder cap lateral surface
It is connect by bolt with cylinder cap, gear wheel and engine cam are arranged concentrically and the diameter of the through-hole among gear wheel is greater than hair
The diameter of motivation camshaft, the 4th belt pulley, gear wheel and bracing strut are externally provided with shell, and through-hole is provided in shell side and allows second
Belt is pierced by, and gear wheel is engaged with pinion gear and pinion gear is arranged inside the shell, and setting is able to drive pinion gear and turns in pinion gear
On the shell, the other end of handle is pierced by shell to the setting of one end of dynamic handle and handle, be provided at the top of shell can allow it is stuck
The up and down through-hole of handle, the engagement place of stuck handle insertion gear wheel and pinion gear, the bottom of shell is fixed on rack；
A kind of multifunctional engine teaching bench using the above structure, by the cylinder part of engine and head part point
It opens and is separately fixed on rack, start motor, transmission mechanism operation can be observed when engine operation in engine
The motion state of each components in portion；Cylinder part, head part are rotated by the way that rotating mechanism is arranged, it is convenient to engine
Each components are detected and are dismounted teaching.
Further, an axle sleeve is fixedly installed in the second belt pulley with one heart and axle sleeve is sleeved on one end extension of engine crankshaft
On axis, a rolling bearing is set in one end that bracing strut is not contacted with rack, rolling bearing is sleeved on the two of engine crankshaft
On the end for holding the both ends extending shaft of extending shaft and engine cam.Setting axle sleeve plays the role of fastening to the second belt pulley, energy
Enough prevent the sliding of the second belt pulley when installing the first belt.
Further, the size of the second belt pulley and engine flywheel is in the same size, and the size of the 4th belt pulley is
2 times of three belt pulley sizes.
Further, the first belt pulley, the second belt pulley, third belt pulley, the 4th belt pulley are synchronous pulley, and first
Belt and the second belt are synchronous belt.Slipping phenomenon can be avoided the occurrence of using synchronous pulley and synchronous belt.
Further, motor uses 380V threephase motor.Using 380V motor, the revolving speed of motor is slower, more
Add and facilitates observation.
Further, third belt pulley is provided with third belt pulley timing marks, is provided with the second belt on the second belt
Timing marks.Timing marks are set, it only need to be by the timing marks on third belt pulley and the second belt when installing the second belt
Alignment is i.e. mountable accurate.
Further, rack bottom is equipped with universal wheel.Installation universal wheel be moved easily rack, be engine demonstration and
It is convenient that dismounting teaching provides.
Compared with prior art, multifunctional engine teaching bench provided by the invention has the advantage that
1, teaching is conveniently detected and is dismounted to each components of engine, facilitate teaching.
2, it is split according to the characteristic of engine, head part and cylinder part is separated, guarantee hair to the maximum extent
The integrality of motivation.
3, by emulating the operating of deceleration simulated engine, observation is facilitated to impart knowledge to students and dismount real training.
4, convenient that it is torn open by the way that setting rotating mechanism changes head part, cylinder part is placed on the angle on rack
Dress and DATA REASONING, facilitate teaching.
5, clever structure, drive mechanism, rotating mechanism relatively mostly use bolt to be actively coupled, facilitate installation and dismounting.
Detailed description of the invention
Fig. 1 is the integrally-built front schematic view of multifunctional engine teaching bench of the embodiment of the present invention；
Fig. 2 is the integrally-built reverse side schematic diagram of multifunctional engine teaching bench of the embodiment of the present invention；
Fig. 3 is the first belt pulley in the transmission mechanism of the multifunctional engine teaching bench of the embodiment of the present invention, second
The scheme of installation of belt pulley；
Fig. 4 is the enlarged diagram in Fig. 3 at A；
Fig. 5 is the installation of the third belt pulley, the 4th belt pulley of the multifunctional engine teaching bench of the embodiment of the present invention
Schematic diagram；
Fig. 6 is the third belt pulley, the 4th belt pulley and rotation of the multifunctional engine teaching bench of the embodiment of the present invention
The schematic diagram of rotation mechanism；
Fig. 7 is the enlarged diagram in Fig. 6 at B；
Fig. 8 is in Fig. 7 plus the schematic diagram after shell (front of shell is not drawn)；
Fig. 9 is the cylinder body gear group of the multifunctional engine teaching bench of the embodiment of the present invention and the peace of third belt pulley
Fill schematic diagram；
Figure 10 is that the multifunctional engine teaching bench of the embodiment of the present invention removes cylinder body fixed frame, cylinder cap fixed frame, the
One belt, the second belt and the schematic diagram after gray iron turns an angle；
Specific embodiment
For a better understanding of the present invention, below with reference to the embodiment content that the present invention is furture elucidated, but it is of the invention
Content is not limited solely to the following examples.
A kind of multifunctional engine teaching bench, with reference to Fig. 1-10, including rack, engine body, transmission mechanism and rotation
Rotation mechanism,
With reference to shown in Fig. 1, Fig. 2, Fig. 3, Fig. 6, Figure 10, rack includes fixed station 4, bottom bracket 13 and cross bar 14, is fixed
Platform 4 is square structure, is respectively and fixedly provided with bottom bracket 13 below four angles of fixed station 4, the bottom of bottom bracket 13 is respectively provided with
There is universal wheel 27 to be moved easily rack, cross bar 14 is provided between the bottom bracket 13 below 4 liang of long sides of fixed station, two is horizontal
4 short side direction of fixed station is also provided with two cross bars 14 between bar 14, is arranged on two cross bars 14 of short side direction setting
There is support of motor 15, motor 6 is provided on support of motor 15, motor uses 380V three-phase electric in the present embodiment
Machine, 380V threephase motor use three-phase alternating current, safety in utilization and the power bigger to motor, and revolving speed can be improved
It is relatively slow, facilitate observation.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 5, engine body includes the cylinder part 1 and head part 2 of engine, is twisted off
The bolt for connecting engine block portion and head part can separate the cylinder part of engine and head part, ensure that
The integrality of engine, and cylinder part, head part are separately fixed on fixed station, after observation connection power can be facilitated
Its internal motion state when engine operation.Engine body includes the cylinder part 1 and head part 2 of engine, cylinder body
Part 1 includes engine crankshaft 16 and engine flywheel 17, and head part 2 includes engine cam 19, in order to couple
Transmission mechanism carries out engine operation demonstration, and the both ends of the engine crankshaft 16 of engine and engine cam 19 are all carried out
Processing extends to connect belt pulley, and cylinder part 1 and one end of cylinder body fixed frame 3 after separation are bolted, head part 2
It is bolted with one end of cylinder cap fixed frame 5, the other end of cylinder body fixed frame 3, the other end of cylinder cap fixed frame 5 pass through bolt
It is fixed on fixed station 4, required bolt hole mostly uses cylinder part 1, cylinder cap portion when cylinder part 1, head part 2 connect
Divide 2 original screw holes, avoid excessive drilling on gray iron, keeps original knot of gray iron to the maximum extent
Structure.
The drive mechanism of the present embodiment includes motor 6, the first belt pulley 7, the second belt pulley 8, third belt pulley 9,
Four belt pulleys 10, the first belt 11 and the second belt 12, the first belt pulley 7, the second belt pulley 8, third belt pulley 9 and the 4th skin
Belt wheel 10 is all made of synchronous pulley, and the first belt 11 and the second belt 12 are all made of synchronous belt, can so prevent from skidding, as Fig. 1,
Shown in Fig. 3, Fig. 4, the first belt pulley 7 is arranged in the shaft of motor 6, the first belt pulley 7 by the first belt 11 with the
Two belt pulleys 8 connect, and have been arranged concentrically axle sleeve a 8-1, the second belt pulley 8 and axle sleeve 8-1 on the second belt pulley 8 and have been sleeved on hair
It is connect on one end extending shaft of motivation crankshaft 16 and by the second belt pulley fastening bolt 8-3 with engine flywheel 17, axle sleeve 8-1
On have an axle sleeve fixing bolt 8-2 that axle sleeve 8-1 is fastened on one end extending shaft of engine crankshaft 16, axle sleeve is to the second belt
Wheel plays the role of fastening, and prevents the sliding of the second belt pulley when installing the first belt, and axle sleeve fixing bolt reinforces the second belt pulley
Fastening effect between the extending shaft of motivation crankshaft；
The size of second belt pulley 8 is in the same size with engine flywheel 17, with the movement of real simulation engine flywheel
Situation is fixedly installed a rounded stops on the other end extending shaft of engine crankshaft 16 as shown in Fig. 4, Fig. 5, Fig. 6, Fig. 9
18, block 18 is connect by third belt pulley fixing bolt 9-1 with third belt pulley 9 and third belt pulley 9 is sleeved on engine
On the other end extending shaft of crankshaft 16, third belt pulley 9 is connect by the second belt 12 with the 4th belt pulley 10, the 4th belt pulley
10 are sleeved on one end extending shaft of engine cam 19 and are being started by the 4th belt pulley fastening bolt 10-1 and setting
Block 18 on one end extending shaft of machine camshaft 19 connects, and the size of the 4th belt pulley 10 is the 2 of 9 size of third belt pulley
Times, it is solid that the both ends extending shaft of engine crankshaft 16, the end of the both ends extending shaft of engine cam 19 pass through bracing strut 20
It is scheduled on fixed station 4, bracing strut 20 is primarily at rotary cylinder-block part, head part to cylinder part, head part
Serve and fix and support, a rolling bearing 26 is set in one end that bracing strut 20 is not contacted with fixed station 4, bracing strut 20 is logical
Cross the end that rolling bearing 26 is sleeved on the both ends extending shaft of engine crankshaft 16 and the both ends extending shaft of engine cam 19
On, setting rolling bearing 26 can make bracing strut 20 not will cause the rotation of engine crankshaft 16 and engine cam 19
Interference；
As shown in fig. 7, third belt pulley 9 is provided with third belt pulley timing marks 9-2, is provided on the second belt 12
Two belt timing marks 12-1.When installing the second belt, by third belt pulley timing marks 9-2 and the second belt timing marks
12-1 alignment installation.
Such as Fig. 5, Fig. 6, Fig. 7, Fig. 8, the rotating mechanism of the present embodiment includes being separately positioned on cylinder part 1 and head part
The two sleeve gear groups, shell 23, handle 24 and the stuck handle 25 that are formed are engaged by gear wheel 21 and pinion gear 22 on 2 lateral surfaces,
Gear wheel 21 on 1 lateral surface of cylinder part is connect by gear wheel fixing bolt 21-1 with cylinder part 1, gear wheel 21 and hair
Motivation crankshaft 16 is arranged concentrically and the diameter of the through-hole among gear wheel 21 is greater than the diameter of engine crankshaft 16, third belt pulley
9, canine tooth 21 and bracing strut 20 are externally provided with shell 23, through-hole are provided on 23 side of shell, the second belt 12 is allowed to be pierced by；Head part 2
Gear wheel 21 on lateral surface is connect by bolt with head part 2, gear wheel 21 be arranged concentrically with engine cam 19 and
The diameter of through-hole among gear wheel 21 is greater than the diameter of engine cam 19, the 4th belt pulley 10, gear wheel 21 and axis branch
Frame 20 is externally provided with shell 23, through-hole is provided on 23 side of shell, the second belt 12 is allowed to be pierced by,
Gear wheel 21 engaged with pinion gear 22 and pinion gear 22 be arranged in shell 23, in pinion gear 22 be arranged handle 24 and
One end of handle 24 is arranged on shell 23, and the other end of handle 24 is pierced by shell 23, the top of shell 23 be provided with can allow it is stuck
The up and down through-hole of handle 25, stuck handle 25 can be inserted into the engagement place of gear wheel 21 and pinion gear 22, the bottom of shell 23
It is fixed on fixed station 4.
Stuck handle 25 is up and down by the through-hole that cover top portion is arranged in, and stuck handle 25 so may make to be inserted into
It will not swing behind the engagement place of big pinion gear, can more preferably stop the rotation between big pinion gear；Shell is set to fix
Pinion gear, and shell is coated with rotating mechanism, plays a protective role to rotating mechanism.
Multifunctional engine teaching bench provided in an embodiment of the present invention include rack, engine body, transmission mechanism and
Rotating mechanism, transmission mechanism provide power for the work demonstration of engine, start the motor being arranged on rack, and motor is logical
It crosses the first belt pulley and drives the second pulley rotation, the second belt pulley drives engine crankshaft rotation, to drive third belt
Wheel rotation, third belt pulley drive the 4th pulley rotation, then drive engine cam rotation because by cylinder part and
Head part splits and is separately fixed on fixed station, each zero of inside when can be visually observed that engine operation at this time
The motion state of part.
Rotating mechanism is rotated at the direction for needing to change gray iron.Before rotating rotating mechanism, first cylinder body is fixed
Frame, cylinder cap fixed frame, the first belt, the second belt are removed, and bracing strut supports cylinder part, head part, as shown in Figure 10, this
When gear wheel and pinion gear engagement place be inserted into stuck handle and cylinder part, head part will not be hung toward fixed station direction；
Stuck handle is extracted, and rotational handle 24, the rotation of handle rotation driving pinion, pinion gear drives big on gray iron
Gear rotation, so that gray iron be driven to rotate, when cylinder part, head part are turned to the direction of needs, stops operating
Stuck handle is inserted by handle, can observe each components in engine under engine off position at this time, and can be with
Each components are dismounted, are measured etc. with teaching operations.
Not doing the part illustrated in above instructions is the prior art, or is able to achieve by the prior art.
And heretofore described specific implementation case is only preferable case study on implementation of the invention, and it is not for the purpose of limiting the invention
Practical range.Equivalent changes and modifications made by i.e. all contents according to patent of invention range of the present invention, all should be used as of the invention
Technology scope.
Claims (7)
1. a kind of multifunctional engine teaching bench, it is characterised in that: including rack, engine body, transmission mechanism and rotation
Mechanism,
Engine body includes the cylinder part (1) and head part (2) of engine, and cylinder part (1) includes engine crankshaft
(16) it is bolted with engine flywheel (17), cylinder part (1) and one end of cylinder body fixed frame (3), cylinder body fixed frame (3)
The other end is bolted with rack, and head part (2) includes engine cam (19), head part (2) and cylinder cap fixed frame
(5) one end is bolted, and the other end of cylinder cap fixed frame (5) is bolted with rack, engine crankshaft (16) and engine
The both ends of camshaft (19) are respectively provided with extending shaft, and the two of the both ends extending shaft of engine crankshaft (16), engine cam (19)
The end of end extending shaft passes through bracing strut (20) and is fixed on rack；
Drive mechanism includes motor (6), the first belt pulley (7), the second belt pulley (8), third belt pulley (9), the 4th belt
(10), the first belt (11) and the second belt (12) are taken turns,
Motor (6) is arranged on rack by support of motor (15), and the first belt pulley (7) are arranged in motor (6) shaft,
First belt pulley (7) is connect by the first belt (11) with the second belt pulley (8), and the second belt pulley (8) is sleeved on engine song
It is connect on one end extending shaft of axis (16) and by bolt with engine flywheel (17),
It is fixedly installed on the other end extending shaft of engine crankshaft (16) block (18), block (18) passes through bolt and third
Belt pulley (9) connects and third belt pulley (9) is sleeved on the other end extending shaft of engine crankshaft (16), third belt pulley
(9) it is connect by the second belt (12) with the 4th belt pulley (10), the 4th belt pulley (10) is sleeved on engine cam (19)
One end extending shaft on and connect with block (18) of the setting on one end extending shaft of engine cam (19) by bolt；
Rotating mechanism includes being separately positioned on cylinder part (1) and head part (2) lateral surface by gear wheel (21) and small tooth
Two sleeve gear groups, shell (23), handle (24) and stuck handle (25) that (22) engagement is formed are taken turns,
Gear wheel (21) on cylinder part (1) lateral surface is connect by bolt with cylinder part (1), gear wheel (21) with start
The diameter for the through-hole that machine crankshaft (16) is arranged concentrically and gear wheel (21) is intermediate is greater than the diameter of engine crankshaft (16), third skin
Belt wheel (9), gear wheel (21) and bracing strut (20) are externally provided with shell (23), and through-hole is provided on shell (23) side and allows the second belt
(12) it is pierced by,
Gear wheel (21) on head part (2) lateral surface is connect by bolt with head part (2), gear wheel (21) with start
The diameter for the through-hole that machine camshaft (19) is arranged concentrically and gear wheel (21) is intermediate is greater than the diameter of engine cam (19), the
Four belt pulleys (10), gear wheel (21) and bracing strut (20) are externally provided with shell (23), and through-hole is provided on shell (23) side and allows
Two belts (12) are pierced by,
Gear wheel (21) is engaged with pinion gear (22) and pinion gear (22) setting is in shell (23), and energy is arranged on (22) in pinion gear
Enough drive pinion gear (22) rotation handle (24) and handle (24) one end be arranged on shell (23), handle (24) it is another
End is pierced by shell (23), and the through-hole that stuck handle (25) can be allowed up and down, stuck handle (25) are provided at the top of shell (23)
It is inserted into the engagement place of gear wheel (21) and pinion gear (22), the bottom of shell (23) is fixed on rack.
2. a kind of multifunctional engine teaching bench as described in claim 1, it is characterised in that: the second belt pulley (8) is concentric
An axle sleeve (8-1) is fixedly installed and axle sleeve (8-1) is sleeved on one end extending shaft of engine crankshaft (16),
It is set in one end that bracing strut (20) is not contacted with rack a rolling bearing (26), rolling bearing (26), which is sleeved on, to be started
On the end of the both ends extending shaft of the both ends extending shaft and engine cam (19) of machine crankshaft (16).
3. a kind of multifunctional engine teaching bench as described in claim 1, it is characterised in that: the second belt pulley (8) it is big
Small in the same size with engine flywheel (17), the size of the 4th belt pulley (10) is 2 times of third belt pulley (9) size.
4. a kind of multifunctional engine teaching bench as described in claim 1, it is characterised in that: the first belt pulley (7), second
Belt pulley (8), third belt pulley (9), the 4th belt pulley (10) are synchronous pulley, the first belt (11) and the second belt (12)
It is synchronous belt.
5. a kind of multifunctional engine teaching bench as described in claim 1, it is characterised in that: motor uses 380V three-phase
Motor.
6. a kind of multifunctional engine teaching bench as described in claim 1, it is characterised in that: third belt pulley (9) setting
There are third belt pulley timing marks (9-2), the second belt timing marks (12-1) are provided on the second belt (12).
7. a kind of multifunctional engine teaching bench as described in claim 1, it is characterised in that: the bottom of rack is equipped with ten thousand
To wheel (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821361512.0U CN209056166U (en) | 2018-08-23 | 2018-08-23 | Multifunctional engine teaching bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821361512.0U CN209056166U (en) | 2018-08-23 | 2018-08-23 | Multifunctional engine teaching bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209056166U true CN209056166U (en) | 2019-07-02 |
Family
ID=67047717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821361512.0U Expired - Fee Related CN209056166U (en) | 2018-08-23 | 2018-08-23 | Multifunctional engine teaching bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209056166U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108831277A (en) * | 2018-08-23 | 2018-11-16 | 南京工业职业技术学院 | Multifunctional engine teaching bench |
-
2018
- 2018-08-23 CN CN201821361512.0U patent/CN209056166U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108831277A (en) * | 2018-08-23 | 2018-11-16 | 南京工业职业技术学院 | Multifunctional engine teaching bench |
| CN108831277B (en) * | 2018-08-23 | 2024-05-14 | 南京工业职业技术学院 | Multifunctional engine teaching rack |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20190702 |