CN109859539A - A kind of moveable English teaching complementary education device - Google Patents
A kind of moveable English teaching complementary education device Download PDFInfo
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- CN109859539A CN109859539A CN201910250456.6A CN201910250456A CN109859539A CN 109859539 A CN109859539 A CN 109859539A CN 201910250456 A CN201910250456 A CN 201910250456A CN 109859539 A CN109859539 A CN 109859539A
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- fixedly connected
- control box
- drive rod
- rod
- gear
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Abstract
The invention discloses a kind of moveable English teaching complementary education devices, more particularly to English teaching complementary education apparatus field, including control box, the upper surface of the control box is connected with nut, the inner thread of the nut is connected with threaded rod, and threaded rod runs through and extends to the inside of control box, the lower surface of the threaded rod is fixedly connected with connection frame.The present invention passes through rotation handwheel, handwheel drives the rotation of the second special shape gear by drive rod, so that the second special shape gear passes through the first anisotropic gear rotation, drive support rod rotation, so that support rod band moving gear rotates, gear drives chain drive and three gear rotation directions and revolving speed is equal, gear positioned at control box both ends drives drive rod rotation, so that drive rod drives directive wheel rotation, and it completes to turn to work, when pushing control box by push rod, the direction of directive wheel changes changes to will lead to universal wheel, the device is steadily moved.
Description
Technical field
The present invention relates to English teaching complementary education equipment technical fields, it is more particularly related to a kind of removable
Dynamic English teaching complementary education device.
Background technique
It is well known that be that one kind is mainly used for carrying out imparting knowledge to students in the educational institutions such as school auxiliary for English teaching complementary education tool
The device helped, is widely used in the related art, form of expression multiplicity, including clipboard, display screen, scene road
Tool and model etc. are various；Existing English teaching complementary education tool includes support frame, clipboard and display screen, display screen and book
Plate is write to be respectively mounted on the support frame.
But still there is more disadvantage in practice in above-mentioned technical proposal, be such as not easy to move, minority has ten thousand
To wheel English teaching complementary education tool when moving, since the steering of universal wheel is unstable so that English teaching complementary education
Tool there is a problem of unstable when moving.
Summary of the invention
In order to overcome the drawbacks described above of the prior art, the embodiment of the present invention provides a kind of moveable English teaching auxiliary
Educational devices, by rotating handwheel, handwheel drives the second special shape gear to rotate by drive rod, so that the second special shape gear passes through
First anisotropic gear rotation, drives support rod rotation, so that support rod band moving gear rotates, gear drives chain drive and makes
Three gear rotation directions and revolving speed are equal, and the gear positioned at control box both ends drives drive rod rotation, so that drive rod band
The rotation of action-oriented wheel, and complete to turn to work, when pushing control box by push rod, the direction of directive wheel changes will lead to
Universal wheel changes, which is steadily moved.
To achieve the above object, the invention provides the following technical scheme: a kind of moveable English teaching complementary education dress
It sets, including control box, the upper surface of the control box is connected with nut, and the inner thread of the nut is connected with screw thread
Bar, and threaded rod runs through and extends to the inside of control box, the lower surface of the threaded rod is fixedly connected with connection frame, the company
The backside for connecing the lower surface of frame is fixedly connected with connecting rod, and the surface of the connecting rod is fixedly connected with bearing, and bearing is outer
Wall is fixedly connected with gear ring, and the surface of the gear ring is sequentially connected with chain, is located at gear ring in the middle part of the control box
Lower surface be fixedly connected with support rod, the lower surface of the control box is fixedly connected with driving box, and support rod is through operation
Case and the inside for extending to driving box, the surface of the support rod are fixedly connected with the first special shape gear, first heteromorphic teeth
The surface of wheel is engaged with the second special shape gear, and drive rod, the drive rod are fixedly connected in the middle part of second special shape gear
Front be fixedly connected with handwheel, it is solid positioned at the lower surface of control box both ends gear ring and the backside of connection frame lower surface
Surely it is connected with drive rod, the lower surface of the control box is fixedly connected with supporting leg, and the supporting leg is hollow structure, and is driven
Bar is movably connected in the inner wall of supporting leg, and the lower surface of the drive rod has been respectively fixedly connected with directive wheel and universal wheel, described
The lower surface of supporting leg is fixedly connected with brake shoes；
The surface of the supporting leg is fixedly connected with reset spring, and the other end of the reset spring is fixedly connected with activity
Circle, the active ring is movably connected in the surface of supporting leg, and the surface activity of supporting leg is connected with firm banking, the fixation
Pedestal is movably connected in the lower surface of active ring.
In a preferred embodiment, the control box upper surface is fixedly connected with fixed column, the fixed column
Upper surface is fixedly connected with protective case, and the upper surface of the protective case is fixedly connected with teaching display screen.
In a preferred embodiment, the upper surface of the driving chamber interior wall is fixedly connected with fixing sleeve, and fixed
The inner wall of set and the surface activity of support rod connect, and the lower surface activity of the upper surface of fixing sleeve and the first special shape gear connects
It connects.
In a preferred embodiment, the drive rod runs through the both ends of driving box, and the surface activity of drive rod
It is socketed with support frame, support frame as described above is movably connected in the lower surface of control box.
In a preferred embodiment, the inner wall of the supporting leg offers limiting slot, the inner wall of the limiting slot
It is fixedly connected with damping spring, and the other end of damping spring is fixedly connected with loose collar, the loose collar and damping spring are equal
It is movably connected in the surface of drive rod, the surface of the drive rod is fixedly connected with retainer plate, and retainer plate is movably connected in work
The surface of the lower surface of rotating ring, the loose collar and retainer plate is movably connected in the inner wall of limiting slot.
In a preferred embodiment, the inner wall of the firm banking offers loose slot, and the inner wall of loose slot
It is connected with arcuate movement block, and arcuate movement block is fixedly connected on the surface of supporting leg, the loose slot is T-shaped knot
Structure.
In a preferred embodiment, the quantity of the drive rod is four, and four drive rods are divided into two groups, position
The lower surface of gear ring, and the lower surface of the group drive rod are fixedly connected in one group of drive rod of the control box backside
It is fixedly connected with the upper surface of directive wheel, the following table of connection frame is fixedly connected on positioned at one group of drive rod of the control box anode
Face, and the lower surface of the group drive rod is fixedly connected with the upper surface of universal wheel.
In a preferred embodiment, the connection frame is H-shaped structure, and threaded rod is fixedly connected on connection frame and leans on
The middle part of nearly anode.
Technical effect and advantage of the invention:
1, the present invention drives the second special shape gear to rotate by rotation handwheel, handwheel by drive rod, so that the second abnormity
Gear drives support rod rotation by the first anisotropic gear rotation, so that support rod band moving gear rotates, gear drives chain to pass
It moving and three gear rotation directions and revolving speed is equal, the gear positioned at control box both ends drives drive rod rotation, so that
Drive rod drive directive wheel rotation, and complete turn to work, by push rod push control box when, directive wheel direction change from
And will lead to universal wheel and change, which is steadily moved；
2, by rotating in the upper surface of control box nut clockwise, and make the threaded rod connecting with nut thread upward
Mobile, threaded rod drives connection frame to move up, and connection frame is made to drive two groups respectively by connecting rod, bearing and gear ring
Drive rod and support rod move up, and support rod is always positioned in fixing sleeve, so that fixing sleeve provides fixed function to support rod,
Drive rod moves up inside supporting leg, can make retainer plate Compressive activities ring and compression damping spring in limiting slot, this
When drive rod drive directive wheel and universal wheel to move up, and directive wheel and universal wheel are in contact with brake shoes, to lock
Determine directive wheel and universal wheel, prevents the device from moving；
3, the middle part for passing through rotation firm banking and arcuate movement block being made to be moved to T-shaped loose slot, in reset spring
Reset extension effect it is lower drive active ring to move down, active ring squeezes firm banking and moves down so that arcuate movement
Block is moved to the bottom of loose slot in the middle part of loose slot, and the lower surface of firm banking and ground face contact, play fixed effect at this time
Fruit.
Detailed description of the invention
Fig. 1 is overall structure front view of the invention.
Fig. 2 is overall structure front elevational view one of the invention.
Fig. 3 is overall structure front elevational view two of the invention.
Fig. 4 is driving box structure front elevational view of the invention.
Fig. 5 is connecting frame structure schematic diagram of the invention.
Fig. 6 is support leg structure partial front view in cross section of the invention.
Fig. 7 is firm banking structure partial front elevational view of the invention.
Appended drawing reference are as follows: 1 control box, 2 nuts, 3 threaded rods, 4 connection frames, 5 connecting rods, 6 bearings, 7 gear rings, 8 chains,
9 driving box, 10 support rods, 11 first special shape gears, 12 second special shape gears, 13 drive rods, 14 handwheels, 15 drive rods, 16
Support leg, 17 directive wheels, 18 brake shoes, 19 reset springs, 20 active rings, 21 firm bankings, 22 fixed columns, 23 protective cases, 24 religions
Learn display screen, 25 fixing sleeves, 26 support frames, 27 limiting slots, 28 damping springs, 29 retainer plates, 30 loose collars, 31 universal wheels, 32
Loose slot, 33 arcuate movement blocks.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
A kind of moveable English teaching complementary education device according to shown in Fig. 1-6, including control box 1, the operation
1 upper surface of case is fixedly connected with fixed column 22, and the upper surface of the fixed column 22 is fixedly connected with protective case 23, the protective case
23 upper surface is fixedly connected with teaching display screen 24, and teaching display screen 24 is fixedly connected by protective case 23 with fixed column 22
In 1 upper surface of control box, facilitate carry out English teaching.
The upper surface of the control box 1 is connected with nut 2, and the inner thread of the nut 2 is connected with threaded rod 3,
And threaded rod 3 runs through and extends to the inside of control box 1, the lower surface of the threaded rod 3 is fixedly connected with connection frame 4, described
The backside of the lower surface of connection frame 4 is fixedly connected with connecting rod 5；
The connection frame 4 is H-shaped structure, and threaded rod 3 is fixedly connected on connection frame 4 close to the middle part of anode；
Embodiment specifically: by rotating in the upper surface of control box 1 nut 2 clockwise, and make and 2 screw thread of nut
The threaded rod 3 of connection moves up, and threaded rod 3 drives connection frame 4 to move up.
The surface of the connecting rod 5 is fixedly connected with bearing 6, and the outer wall of bearing 6 is fixedly connected with gear ring 7, described
The surface of gear ring 7 is sequentially connected with chain 8, and the lower surface positioned at the 1 middle part gear ring 7 of control box is fixedly connected with branch
Strut 10, the lower surface of the control box 1 is fixedly connected with driving box 9, and support rod 10 through control box 1 and extends to driving
The inside of case 9, the surface of the support rod 10 are fixedly connected with the first special shape gear 11, the surface of first special shape gear 11
It is engaged with the second special shape gear 12, the middle part of second special shape gear 12 is fixedly connected with drive rod 13, the drive rod 13
Front be fixedly connected with handwheel 14, the back positioned at 4 lower surface of lower surface and connection frame of the 1 both ends gear ring 7 of control box
End is fixedly connected to drive rod 15, and the lower surface of the control box 1 is fixedly connected with supporting leg 16, during the supporting leg 16 is
Hollow structure, and drive rod 15 is movably connected in the inner wall of supporting leg 16, the lower surface of the drive rod 15 has been respectively fixedly connected with
Directive wheel 17 and universal wheel 31；
The drive rod 13 runs through the both ends of driving box 9, and the surface activity of drive rod 13 is socketed with support frame 26, described
Support frame 26 is movably connected in the lower surface of control box 1；
The quantity of the drive rod 15 is four, and it is two groups that four drive rods 15, which are divided to, positioned at 1 backside of control box
One group of drive rod 15 is fixedly connected on the lower surface of gear ring 7, and the lower surface of the group drive rod 15 and directive wheel 17
Upper surface is fixedly connected, and the lower surface of connection frame 4 is fixedly connected on positioned at one group of drive rod 15 of 1 anode of control box, and
The lower surface of the group drive rod 15 is fixedly connected with the upper surface of universal wheel 31；
Embodiment specifically: handwheel 14 is rotated clockwise, under the action of support frame 26 and driving box 9, so that handwheel
14 can drive 13 smooth rotation of drive rod, and drive rod 13 drives the rotation of the second special shape gear 12, so that the second special shape gear 12
It drives the first special shape gear 11 to rotate, and completes to turn to work, the first special shape gear 11 drives support rod 10 to rotate clockwise, makes
Obtaining support rod 10 drives gear ring 7 to rotate clockwise, and gear ring 7 drives the transmission of chain 8 simultaneously to make three 7 rotation directions of gear ring
It is equal with revolving speed, the gear ring 7 positioned at 1 both ends of control box drives drive rod 15 to rotate clockwise, so that drive rod 15 drives
Directive wheel 17 rotates clockwise, and completes to turn to work, and when pushing control box 1 by push rod, the direction of directive wheel 17 changes
It changes to will lead to universal wheel 31, which is steadily moved, prevents from being led to universal wheel 31 by the influence of topography
It is mobile unstable.
The lower surface of the supporting leg 16 is fixedly connected with brake shoes 18, and the inner wall of the supporting leg 16 offers limiting slot
27, the inner wall of the limiting slot 27 is fixedly connected with damping spring 28, and the other end of damping spring 28 is fixedly connected with activity
Ring 30, the loose collar 30 and damping spring 28 are movably connected in the surface of drive rod 15, and the surface of the drive rod 15 is solid
Surely it is connected with retainer plate 29, and retainer plate 29 is movably connected in the lower surface of loose collar 30, the loose collar 30 and retainer plate 29
Surface be movably connected in the inner wall of limiting slot 27；
The upper surface of 9 inner wall of driving box is fixedly connected with fixing sleeve 25, and the inner wall of fixing sleeve 25 and support rod 10
Surface activity connection, and the upper surface of fixing sleeve 25 is flexibly connected with the lower surface of the first special shape gear 11.
Embodiment specifically: connection frame 4 drives two groups of drive rods 15 by connecting rod 5, bearing 6 and gear ring 7 respectively
It is moved up with support rod 10, support rod 10 is always positioned in fixing sleeve 25, so that fixing sleeve 25 provides fixation to support rod 10
Effect, drive rod 15 moves up inside supporting leg 16, and making retainer plate 29, Compressive activities ring 30 is simultaneously in limiting slot 27
Compression damping spring 28, drive rod 15 drives directive wheel 17 and universal wheel 31 to move up at this time, and makes directive wheel 17 and ten thousand
It is in contact to wheel 31 with brake shoes 18, to lock directive wheel 17 and universal wheel 31, prevents the device from moving, so as to
The purpose for realizing temporary parking by rotating nuts 2 counterclockwise, and makes threaded rod 3 drive connection when needing to reuse
Frame 4 moves down, connection frame 4 by connecting rod 5, bearing 6 and gear ring 7 drive respectively two groups of drive rods 15 and support rod 10 to
Lower movement, fixing sleeve 25 limit the first special shape gear 11, prevent the first special shape gear 11 from failing and the second special shape gear
12 are meshed, and damping spring 28 resets and upholds Compressive activities ring 30, and loose collar 30 is made to drive retainer plate 29 in limiting slot
It is moved down in 27, and drive rod 15 is restored to original position, directive wheel 17 and universal wheel 31 are separated with brake shoes 18 at this time, are made
Obtaining the device can steadily move again.
A kind of moveable English teaching complementary education device, the table of the supporting leg 16 according to shown in Fig. 1,2,3 and 7
Face is fixedly connected with reset spring 19, and the other end of the reset spring 19 is fixedly connected with active ring 20, the active ring 20
It is movably connected in the surface of supporting leg 16, and the surface activity of supporting leg 16 is connected with firm banking 21, the firm banking 21
It is movably connected in the lower surface of active ring 20；
The inner wall of the firm banking 21 offers loose slot 32, and the inner wall of loose slot 32 is connected with arcuate movement
Block 33, and arcuate movement block 33 is fixedly connected on the surface of supporting leg 16, the loose slot 32 is T-shaped structure；
Embodiment specifically: when moving, arcuate movement block 33 is movably connected in the top of T-shaped loose slot 32 to the device
Portion, and at this time firm banking 21 by 20 pressed home spring 19 of active ring, when the device for a long time when not in use, pass through rotation
Firm banking 21 simultaneously makes arcuate movement block 33 be moved to the middle part of T-shaped loose slot 32, upholds in the reset of reset spring 19
Effect is lower to drive active ring 20 to move down, and active ring 20 squeezes firm banking 21 and moves down so that arcuate movement block 33
It is moved to the bottom of loose slot 32 at the middle part of loose slot 32, the lower surface of firm banking 21 and ground face contact, are played solid at this time
Determine effect, the purpose so as to realize fixed for a long time moves up firm banking 21 and pass through when needing to reuse
20 pressed home spring 19 of active ring, when the drive arcuate movement block 33 of firm banking 21 is moved to the top of T-shaped loose slot 32
When, it rotates firm banking 21 and makes arcuate movement block 33 stuck, thus fixed firm banking 21.
Working principle of the present invention:
Referring to Figure of description 1,2,3,4 and 5, rotation handwheel 14 drives 13 smooth rotation of drive rod, and drive rod 13 passes through
Second special shape gear 12 drives the rotation of the first special shape gear 11, and completes to turn to work, and the first special shape gear 11 drives support rod
10 rotations, so that support rod 10 drives gear ring 7 to rotate, gear ring 7 drives drive rod 15 to rotate clockwise, so that drive rod 15
Directive wheel 17 is driven to rotate clockwise, the direction of directive wheel 17 changes changes to will lead to universal wheel 31, so that the dress
Setting steadily to move, and prevent from being caused universal wheel 31 mobile unstable by the influence of topography；
Referring to Figure of description 1,2,3 and 6, rotating nut 2, and threaded rod 3 is moved up, threaded rod 3 passes through company
Connecing frame 4 drives drive rod 15 to move up, and drive rod 15 drives directive wheel 17 and universal wheel 31 to move up, and makes directive wheel
17 and universal wheel 31 be in contact with brake shoes 18, to lock directive wheel 17 and universal wheel 31, prevent the device occur it is mobile from
And the purpose of temporary parking may be implemented；
Referring to Figure of description 1,2,3 and 7, which when moving, passes through rotation firm banking 21 and makes arc living
Motion block 33 is moved to the middle part of T-shaped loose slot 32, drives active ring 20 downward under the reset extension effect of reset spring 19
Mobile, active ring 20 squeezes firm banking 21 and moves down so that arcuate movement block 33 is moved at the middle part of loose slot 32
The bottom of loose slot 32, at this time the lower surface of firm banking 21 and ground face contact, when playing fixed effect so as to realize long
Between fixed purpose.
The several points that should finally illustrate are: firstly, in the description of the present application, it should be noted that unless otherwise prescribed and
It limits, term " installation ", " connected ", " connection " shall be understood in a broad sense, can be mechanical connection or electrical connection, be also possible to two
Connection inside element, can be directly connected, and "upper", "lower", "left", "right" etc. are only used for indicating relative positional relationship, when
The absolute position for being described object changes, then relative positional relationship may change；
Secondly: the present invention discloses in embodiment attached drawing, relates only to the structure being related to the embodiment of the present disclosure, other knots
Structure, which can refer to, to be commonly designed, and under not conflict situations, the same embodiment of the present invention and different embodiments be can be combined with each other；
Last: the foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, all in the present invention
Spirit and principle within, any modification, equivalent replacement, improvement and so on, should be included in protection scope of the present invention it
It is interior.
Claims (8)
1. a kind of moveable English teaching complementary education device, including control box (1), it is characterised in that: the control box (1)
Upper surface be connected with nut (2), the inner thread of the nut (2) is connected with threaded rod (3), and threaded rod (3) passes through
The inside of control box (1) is worn and extends to, the lower surface of the threaded rod (3) is fixedly connected with connection frame (4), the connection frame
(4) backside of lower surface is fixedly connected with connecting rod (5), and the surface of the connecting rod (5) is fixedly connected with bearing (6), and
The outer wall of bearing (6) is fixedly connected with gear ring (7), and the surface of the gear ring (7) is sequentially connected with chain (8), is located at
The lower surface of gear ring (7) is fixedly connected with support rod (10) in the middle part of the control box (1), the lower surface of the control box (1)
It is fixedly connected with driving box (9), and support rod (10) runs through control box (1) and extends to the inside of driving box (9), the support
The surface of bar (10) is fixedly connected with the first special shape gear (11), and it is different that the surface of first special shape gear (11) is engaged with second
Shape gear (12) is fixedly connected with drive rod (13) in the middle part of second special shape gear (12), and the drive rod (13) is just
Face is fixedly connected with handwheel (14), is located at the lower surface and connection frame (4) lower surface of the control box (1) both ends gear ring (7)
Backside be fixedly connected to drive rod (15), the lower surface of the control box (1) is fixedly connected with supporting leg (16), the branch
Support leg (16) is hollow structure, and drive rod (15) is movably connected in the inner wall of supporting leg (16), under the drive rod (15)
Surface has been respectively fixedly connected with directive wheel (17) and universal wheel (31), and the lower surface of the supporting leg (16) is fixedly connected with brake
Block (18)；
The surface of the supporting leg (16) is fixedly connected with reset spring (19), and the other end of the reset spring (19) is fixed to be connected
It is connected to active ring (20), the active ring (20) is movably connected in the surface of supporting leg (16), and the surface of supporting leg (16) is living
Dynamic to be connected with firm banking (21), the firm banking (21) is movably connected in the lower surface of active ring (20).
2. a kind of moveable English teaching complementary education device according to claim 1, it is characterised in that: the operation
Case (1) upper surface is fixedly connected with fixed column (22), and the upper surface of the fixed column (22) is fixedly connected with protective case (23), institute
The upper surface for stating protective case (23) is fixedly connected with teaching display screen (24).
3. a kind of moveable English teaching complementary education device according to claim 1, it is characterised in that: the driving
The upper surface of case (9) inner wall is fixedly connected with fixing sleeve (25), and the surface of the inner wall of fixing sleeve (25) and support rod (10) is living
Dynamic connection, and the upper surface of fixing sleeve (25) is flexibly connected with the lower surface of the first special shape gear (11).
4. a kind of moveable English teaching complementary education device according to claim 1, it is characterised in that: the driving
Bar (13) runs through the both ends of driving box (9), and the surface activity of drive rod (13) is socketed with support frame (26), support frame as described above
(26) it is movably connected in the lower surface of control box (1).
5. a kind of moveable English teaching complementary education device according to claim 1, it is characterised in that: the support
The inner wall of leg (16) offers limiting slot (27), and the inner wall of the limiting slot (27) is fixedly connected with damping spring (28), and hinders
The other end of Buddhist nun's spring (28) is fixedly connected with loose collar (30), and the loose collar (30) and damping spring (28) are flexibly connected
It is fixedly connected with retainer plate (29) on the surface on the surface of drive rod (15), the drive rod (15), and retainer plate (29) activity
It is connected to the lower surface of loose collar (30), the surface of the loose collar (30) and retainer plate (29) is movably connected in limiting slot
(27) inner wall.
6. a kind of moveable English teaching complementary education device according to claim 1, it is characterised in that: the fixation
The inner wall of pedestal (21) offers loose slot (32), and the inner wall of loose slot (32) is connected with arcuate movement block (33), and
Arcuate movement block (33) is fixedly connected on the surface of supporting leg (16), and the loose slot (32) is T-shaped structure.
7. a kind of moveable English teaching complementary education device according to claim 1, it is characterised in that: the transmission
The quantity of bar (15) is four, and four drive rods (15) are divided into two groups, is located at one group of drive rod of the control box (1) backside
(15) it is fixedly connected on the lower surface of gear ring (7), and the lower surface of the group drive rod (15) and directive wheel (17) is upper
Surface is fixedly connected, and one group of drive rod (15) for being located at the control box (1) anode is fixedly connected on the following table of connection frame (4)
Face, and the lower surface of the group drive rod (15) is fixedly connected with the upper surface of universal wheel (31).
8. a kind of moveable English teaching complementary education device according to claim 1, it is characterised in that: the connection
Frame (4) is H-shaped structure, and threaded rod (3) is fixedly connected on the middle part of connection frame (4) close to anode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910250456.6A CN109859539B (en) | 2019-03-29 | 2019-03-29 | Mobilizable english teaching assistance education device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910250456.6A CN109859539B (en) | 2019-03-29 | 2019-03-29 | Mobilizable english teaching assistance education device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109859539A true CN109859539A (en) | 2019-06-07 |
| CN109859539B CN109859539B (en) | 2021-03-05 |
Family
ID=66902610
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910250456.6A Active CN109859539B (en) | 2019-03-29 | 2019-03-29 | Mobilizable english teaching assistance education device |
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| Country | Link |
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| CN (1) | CN109859539B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115188233A (en) * | 2022-07-09 | 2022-10-14 | 烟台中正精密模具有限公司 | Be applied to automobile mask bolt training platform for mould frock |
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| CN115188233A (en) * | 2022-07-09 | 2022-10-14 | 烟台中正精密模具有限公司 | Be applied to automobile mask bolt training platform for mould frock |
| CN115188233B (en) * | 2022-07-09 | 2023-11-17 | 烟台中正精密模具有限公司 | Be applied to car face guard bolt training platform for mould frock |
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| CN109859539B (en) | 2021-03-05 |
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