CN209610449U - A kind of control Engineering Teaching assistant teaching aid - Google Patents
A kind of control Engineering Teaching assistant teaching aid Download PDFInfo
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- CN209610449U CN209610449U CN201821696655.7U CN201821696655U CN209610449U CN 209610449 U CN209610449 U CN 209610449U CN 201821696655 U CN201821696655 U CN 201821696655U CN 209610449 U CN209610449 U CN 209610449U
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Abstract
The utility model relates to the technical fields of teaching aid auxiliary equipment to be adjusted the angle of blank more particularly to a kind of control Engineering Teaching assistant teaching aid, improves ease of use；The height of adjustable blank, it is convenient to be write in blank different location, it reduces and uses limitation；Including blank, left connecting rod, right connecting rod and bottom plate；It further include left plectane, right plectane, left-hand rotation lever, right-hand rotation lever, first gear, the first threaded rod and the first turntable；It further include left support bar, right support bar, upper fixed link, lower fixed link, upper mounted plate, bottom plate, the first actuating strut, the second actuating strut, upper rolling rod, lower rolling rod, overhead gage, lower baffle plate, the second threaded rod and the second turntable.
Description
Technical field
The utility model relates to the technical fields of teaching aid auxiliary equipment, use more particularly to a kind of control Engineering Teaching
Assistant teaching aid.
Background technique
It is well known that control Engineering Teaching is to carry out content book during one kind is used to control Engineering Teaching with assistant teaching aid
The device write is widely used in a variety of applications in the field of teaching aid；Existing control Engineering Teaching assistant teaching aid packet
Blank, left connecting rod, right connecting rod and bottom plate are included, blank left end is connect with left connecting rod right side wall upper half area, blank right end
It is connect with right connecting rod left side wall upper half area, left connecting rod bottom end is connect with bottom plate top left area, right connecting rod bottom end
It is connect with bottom plate top right half area；Existing control Engineering Teaching with assistant teaching aid using when blank is moved to suitable position
It sets, carries out the writing of the content of courses on blank by lettering pen, students is facilitated to watch；Existing control Engineering Teaching is with auxiliary
Assiatant, which has in use, to be found, the angle of blank is to fix, and ease of use is poor；Its blank height is fixed, in blank eminence
Write it is relatively difficult, it is higher using limitation.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of angle of adjustable blank, ease of use is improved；
The height of adjustable blank, it is convenient to be write in blank different location, reduce the control Engineering Teaching auxiliary religion using limitation
Tool.
A kind of control Engineering Teaching assistant teaching aid of the utility model, including blank, left connecting rod, right connecting rod and bottom
Plate；It further include left plectane, right plectane, left-hand rotation lever, right-hand rotation lever, first gear, the first threaded rod and the first turntable, the left side
Plectane right side wall is connect with blank left side wall middle section, and the right plectane left side wall is connect with blank right side wall middle section,
The left connecting rod left side wall upper half area is horizontally arranged with left rotation hole, in the left-hand rotation lever right end and left plectane left side wall
Region connection is entreated, left-hand rotation lever left end passes through left rotation hole and is rotatablely connected with left rotation hole, on the right connecting rod right side wall
Half region is horizontally arranged with right rotation hole, and right-hand rotation lever left end is connect with right plectane right side wall middle section, right-hand rotation lever
Right end passes through right rotation hole and connect with first gear left side wall middle section, and right-hand rotation lever and right rotation hole are rotatablely connected, institute
It states left connecting rod left side wall upper half area and is horizontally arranged with the first threaded hole, first threaded rod left end and the first turntable right side
The connection of wall middle section, the first threaded rod right end spiral shell dress are contacted across the first threaded hole and with left plectane left side wall lower half region；
It further include left support bar, right support bar, upper fixed link, lower fixed link, upper mounted plate, bottom plate, the first actuating strut, second dynamic
Make bar, upper rolling rod, lower rolling rod, overhead gage, lower baffle plate, the second threaded rod and the second turntable, the left support bar and right branch
Strut top middle section is respectively arranged with left telescopic chute and right telescopic chute, the left connecting rod bottom end and right telescopic chute bottom end point
Do not protrude into left telescopic chute and right telescopic chute, fixed bar left end and right end respectively with left connecting rod right side wall and right connection
The connection of bar left side wall lower half region, the lower fixed link left end and right end are respectively and on the left of left connecting rod right side wall and right connecting rod
The connection of wall lower half region, fixed plate top connect with upper fixed link bottom end middle section, the bottom plate bottom end and
The connection of lower fixed link top middle section, fixed plate and bottom plate front side wall right half area are respectively arranged with sliding
Hole and lower slider hole, first actuating strut one end and upper mounted plate front side wall left area are hinged, the first actuating strut other end
Hinged with lower rolling rod front side wall, the lower rolling rod rear end connects across lower slider Kong Bingyu lower baffle plate front side wall middle section
It connects, second actuating strut one end and bottom plate front side wall left area are hinged, the second actuating strut other end and upper rolling rod
Front side wall is hinged, and first actuating strut and the second actuating strut infall are hinged, and the upper rolling rod rear end passes through upper sliding eye
And connect with overhead gage front side wall middle section, left side wall middle section is provided with swivelling chute, lower slider in the lower slider hole
Right side wall middle section is horizontally arranged with connecting hole in hole, and the second threaded rod lateral wall left area and right half area are
Surface is smooth, and the lower rolling rod right side wall middle section is horizontally arranged with the second threaded hole, second threaded rod left end point
It connecting hole and the second threaded hole and Chuan Guo not stretch in swivelling chute, the second threaded rod lateral wall left area surface smooth part
With swivelling chute inner sidewall smooth contact, the second threaded rod lateral wall right half area surface smooth part and connecting hole are rotatablely connected,
Second threaded rod right end is connect with the second turntable left side wall middle section.
A kind of control Engineering Teaching assistant teaching aid of the utility model further includes second gear and intermediate bar, the right side
Connecting rod right side wall upper half area is provided with mounting groove, and the first ball bearing is provided in the mounting groove, and the intermediate bar is left
End is inserted into the first ball bearing and is keyed with the first ball bearing, intermediate bar right end and second gear left side wall central area
Domain connection, the second gear are meshed with first gear.
A kind of control Engineering Teaching assistant teaching aid of the utility model is set respectively at the left rotation hole and right rotation hole
Be equipped with the second left ball bearing and the second right ball bearing, left-hand rotation lever left end be inserted into the second left ball bearing and with
Second left ball bearing key connection, the right-hand rotation lever right end pass through the second right ball bearing and connect in the second right ball bearing key
It connects.
A kind of control Engineering Teaching assistant teaching aid of the utility model, further includes holding rod, the first gear right side wall
Upper half area is provided with the first card and puts slot, and the second gear right side wall lower half region is provided with the second card and puts slot, the holding rod
Left end stretches to the first card and puts in slot.
A kind of control Engineering Teaching assistant teaching aid of the utility model, further includes placement plate, the placement plate rear end with
Upper fixed link front side wall middle section connection.
A kind of control Engineering Teaching assistant teaching aid of the utility model, the first threaded rod right end are provided with friction
Pad, the friction pad right end are connect with left plectane left side wall lower half region.
A kind of control Engineering Teaching assistant teaching aid of the utility model, further includes the first in command and second handle, described
First in command's right end is connect with the first turntable left side wall upper half area, the second handle left end and the second turntable right side wall upper half
Region connection.
A kind of control Engineering Teaching assistant teaching aid of the utility model further includes four groups of pulley blocks, four groups of pulleys
Group top is connect with bottom plate bottom end front left side, forward right side, left rear side and right lateral side respectively.
Compared with prior art the utility model has the following beneficial effects: left plectane right side wall middle section and blank left side wall
Middle section connection, right plectane left side wall middle section is connect with blank right side wall middle section, so that left plectane and right plectane
In symmetrical position, left-hand rotation lever right end is connect with left plectane left side wall middle section, and right-hand rotation lever left end and right plectane are right
For the connection of side wall centers region because left-hand rotation lever left end passes through left rotation hole, right-hand rotation lever right end passes through right rotation hole, turns left dynamic
Bar and right-hand rotation lever are rotatablely connected with left rotation hole and right rotation hole respectively, and right-hand rotation lever right end is extend out to outside right rotation hole,
Right-hand rotation lever right end is connect with first gear left side wall middle section, rotates first gear manually, and first gear rotation drives right
Rotating bar at right rotation hole original place rotate, and then drive left-hand rotation lever at left rotation hole original place rotate so that left plectane and
Right plectane is rotated together with left-hand rotation lever and right-hand rotation lever, and then drives blank rotation, and left connecting rod left side wall upper half area is horizontal
To the first threaded hole is provided with, the first threaded rod external screw thread matches with the first threaded hole internal screw thread, the first threaded rod right end spiral shell
Across the first threaded hole, the first threaded rod left end connect with the first turntable right side wall middle section, turns forward or backward manually dress
Dynamic first turntable, first the first threaded rod of driven by rotary disc move to the left or to the right, realize loosening and compress to left plectane；Zuo Lian
Extension bar lateral wall and left telescopic chute inner sidewall smooth contact, right connecting rod lateral wall and right telescopic chute inner sidewall smooth contact, make
Left connecting rod and right connecting rod can slide up and down in left telescopic chute and right telescopic chute respectively, upper mounted plate top with it is upper solid
The connection of fixed pole bottom end middle section, bottom plate bottom end are connect with lower fixed link top middle section, upper rolling rod lateral wall point
Not with side wall in upper sliding slot and interior downside wall smooth contact, lower rolling rod lateral wall respectively with side wall in upper sliding slot and
Interior side wall smooth contact, upper sliding eye and lower slider hole are rectangle, and rolling rod and lower rolling rod are distinguished
It is slided to the left or to the right in upper sliding eye and lower slider hole, rotation rotates forward the second turntable manually, the second driven by rotary disc the
The rotation of two threaded rods, the second threaded rod lateral wall right half area surface smooth part and connecting hole are rotatablely connected, so that the second spiral shell
Rasp bar rotation and position will not move, the second threaded rod rotate forward or backward so that lower rolling rod in lower slider hole to the left or
It moves right, while rolling rod to the left or is moved right in upper sliding eye, and then realize to left connecting rod and right company
Extension bar raises and reduces, so that blank is moved upwardly or downwardly, reduces and uses limitation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the partial enlarged view of A in Fig. 1；
Fig. 3 is the partial enlarged view of B in Fig. 1；
Fig. 4 is the connection signal of bottom plate, the first actuating strut, lower rolling rod, lower baffle plate, the second turntable and second handle
Right view；
It is attached marked in the figure: 1, blank；2, left connecting rod；3, bottom plate；4, left plectane；5, left-hand rotation lever；6, right-hand rotation lever；7,
First gear；8, the first threaded rod；9, the first turntable；10, left support bar；11, upper fixed link；12, upper mounted plate；13, lower solid
Fixed board；14, the first actuating strut；15, the second actuating strut；16, lower rolling rod；17, lower baffle plate；18, the second threaded rod；19, second
Turntable；20, second gear；21, intermediate bar；22, the first ball bearing；23, the second left ball bearing；24, holding rod；25, it places
Plate；26, friction pad；27, the first in command；28, second handle；29, four groups of pulley blocks.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
As shown in Figures 1 to 4, a kind of control Engineering Teaching assistant teaching aid of the utility model, including blank 1, Zuo Lian
Extension bar 2, right connecting rod and bottom plate 3；It further include left plectane 4, right plectane, left-hand rotation lever 5, right-hand rotation lever 6, first gear 7, first
Threaded rod 8 and the first turntable 9, left 4 right side wall of plectane are connect with 1 left side wall middle section of blank, right plectane left side wall and blank 1
The connection of right side wall middle section, left 2 left side wall upper half area of connecting rod are horizontally arranged with left rotation hole, 5 right end of left-hand rotation lever with
Left 4 left side wall middle section of plectane connection, 5 left end of left-hand rotation lever pass through left rotation hole and are rotatablely connected with left rotation hole, right company
Extension bar right side wall upper half area is horizontally arranged with right rotation hole, and 6 left end of right-hand rotation lever is connect with right plectane right side wall middle section,
6 right end of right-hand rotation lever passes through right rotation hole and connect with 7 left side wall middle section of first gear, right-hand rotation lever 6 and right rotation hole
Rotation connection, left 2 left side wall upper half area of connecting rod are horizontally arranged with the first threaded hole, 8 left end of the first threaded rod with first turn
9 right side wall middle section of disk connection, 8 right end spiral shell of the first threaded rod dress across the first threaded hole and with left 4 left side wall lower half of plectane
Region contact；Further include left support bar 10, right support bar, upper fixed link 11, lower fixed link, upper mounted plate 12, bottom plate 13,
First actuating strut 14, the second actuating strut 15, upper rolling rod, lower rolling rod 16, overhead gage, lower baffle plate 17,18 and of the second threaded rod
Second turntable 19, left support bar 10 and right support bar top middle section are respectively arranged with left telescopic chute and right telescopic chute, Zuo Lian
2 bottom end of extension bar and right telescopic chute bottom end are respectively protruding into left telescopic chute and right telescopic chute, upper 11 left end of fixed link and right end difference
Connect with left 2 right side wall of connecting rod and right connecting rod left side wall lower half region, lower fixed link left end and right end respectively with left connection
2 right side wall of bar is connected with right connecting rod left side wall lower half region, 12 top of upper mounted plate and upper 11 bottom end middle section of fixed link
Connection, 13 bottom end of bottom plate are connect with lower fixed link top middle section, and upper mounted plate 12 and 13 front side wall of bottom plate are right
Half region is respectively arranged with sliding eye and lower slider hole, 14 one end of the first actuating strut and 12 front side wall left area of upper mounted plate
Hingedly, 14 other end of the first actuating strut and lower 16 front side wall of rolling rod are hinged, and lower 16 rear end of rolling rod passes through lower slider Kong Bingyu
The connection of 17 front side wall middle section of lower baffle plate, 15 one end of the second actuating strut and 13 front side wall left area of bottom plate are hinged, the
Two actuating struts, 15 other end and upper rolling rod front side wall are hinged, and the first actuating strut 14 and 15 infall of the second actuating strut are hinged, on
It rolls rod rear end to pass through upper sliding eye and connect with overhead gage front side wall middle section, left side wall middle section is set in lower slider hole
It is equipped with swivelling chute, right side wall middle section is horizontally arranged with connecting hole, 18 lateral wall left half-court of the second threaded rod in lower slider hole
Domain and right half area are that surface is smooth, and lower 16 right side wall middle section of rolling rod is horizontally arranged with the second threaded hole, the second spiral shell
18 left end of rasp bar is each passed through connecting hole and the second threaded hole and stretches in swivelling chute, 18 lateral wall left half-court of the second threaded rod
Field surface smooth part and swivelling chute inner sidewall smooth contact, 18 lateral wall right half area surface smooth part of the second threaded rod with
Connecting hole rotation connection, 18 right end of the second threaded rod are connect with 19 left side wall middle section of the second turntable；In left plectane right side wall
Centre region is connect with blank left side wall middle section, and right plectane left side wall middle section is connect with blank right side wall middle section,
So that left plectane and right plectane are in symmetrical position, left-hand rotation lever right end is connect with left plectane left side wall middle section, is turned right
Lever left end is connect with right plectane right side wall middle section because left-hand rotation lever left end passes through left rotation hole, and right-hand rotation lever right end is worn
Right rotation hole is crossed, left-hand rotation lever and right-hand rotation lever are rotatablely connected with left rotation hole and right rotation hole respectively, and right-hand rotation lever right end is stretched
Out extremely outside right rotation hole, right-hand rotation lever right end is connect with first gear left side wall middle section, rotates first gear manually, the
The rotation of one gear drives right-hand rotation lever original place at right rotation hole to rotate, and then drives the pirouette at left rotation hole of left-hand rotation lever
Dynamic, so that left plectane and right plectane are rotated together with left-hand rotation lever and right-hand rotation lever, and then drive blank rotation, left connecting rod is left
Side wall upper half area is horizontally arranged with the first threaded hole, and the first threaded rod external screw thread matches with the first threaded hole internal screw thread, the
One threaded rod right end spiral shell is filled across the first threaded hole, and the first threaded rod left end is connect with the first turntable right side wall middle section, hand
Before trend or first turntable that rotates backward, first the first threaded rod of driven by rotary disc move to the left or to the right, realize to left plectane
Loosen and compresses；In left connecting rod lateral wall and left telescopic chute inner sidewall smooth contact, right connecting rod lateral wall and right telescopic chute
Side wall smooth contact slides up and down left connecting rod and right connecting rod in left telescopic chute and right telescopic chute respectively, on
Fixed plate top is connect with upper fixed link bottom end middle section, and bottom plate bottom end is connect with lower fixed link top middle section,
Upper rolling rod lateral wall respectively with side wall in upper sliding slot and interior downside wall smooth contact, lower rolling rod lateral wall respectively with it is upper
Side wall and interior side wall smooth contact in sliding groove, upper sliding eye and lower slider hole are rectangle so that upper rolling rod and
Lower rolling rod can slide in upper sliding eye and lower slider hole to the left or to the right respectively, and rotation rotates forward second turn manually
Disk, the rotation of second the second threaded rod of driven by rotary disc, the second threaded rod lateral wall right half area surface smooth part and connecting hole turn
Dynamic connection, so that the second threaded rod rotates and position will not move, the second threaded rod rotates forward or backward so that lower rolling rod
It to the left or is moved right in lower slider hole, while rolling rod to the left or is moved right, Jin Ershi in upper sliding eye
Now left connecting rod and right connecting rod are raised and reduced, so that blank is moved upwardly or downwardly, reduces and uses limitation.
A kind of control Engineering Teaching assistant teaching aid of the utility model further includes second gear 20 and intermediate bar 21, the right side
Connecting rod right side wall upper half area is provided with mounting groove, and the first ball bearing 22 is provided in mounting groove, and 21 left end of intermediate bar is inserted
Enter in the first ball bearing 22 and with the first ball bearing 22 and be keyed, in 21 right end of intermediate bar and 20 left side wall of second gear
Region connection is entreated, second gear 20 is meshed with first gear 7；The diameter of second gear is much smaller than the diameter of first gear, the
Two gears are engaged with first gear, rotate second gear, and second drives first gear rotation, due to the radius of gyration of second gear
Less than the radius of gyration of first gear, allow to be finely adjusted the angle of blank, improves and use accuracy.
A kind of control Engineering Teaching assistant teaching aid of the utility model is respectively arranged at left rotation hole and right rotation hole
Second left ball bearing 23 and the second right ball bearing, 5 left end of left-hand rotation lever are inserted into the second left ball bearing 23 and with the
Two left ball bearings 23 are keyed, and 6 right end of right-hand rotation lever passes through the second right ball bearing and in the second right ball bearing key connection；
By adding the second left ball bearing and the second right ball bearing, it can reduce left-hand rotation lever and right-hand rotation lever and turning left to move respectively
Hole and right rotation hole go out generated frictional resistance when rotating, and improve and use ride comfort.
A kind of control Engineering Teaching assistant teaching aid of the utility model, further includes holding rod 24, on 7 right side wall of first gear
Half region is provided with the first card and puts slot, and 20 right side wall lower half region of second gear is provided with the second card and puts slot, and 24 left end of holding rod is stretched
Enter to the first card and puts in slot；When needing to rotate gear wheel, insertion the first card in holding rod left end is put slot, holding rod is rotated, so that first
Gear rotation when needing rotation pinion, is put holding rod in slot from the first card and is extracted, and the second card of insertion is put in slot, makes the second tooth
Wheel rotation, compares saving physical strength, improves ease of use.
A kind of control Engineering Teaching assistant teaching aid of the utility model, further includes placement plate 25,25 rear end of placement plate with
Upper 11 front side wall middle section of fixed link connection；Placement plate can play the role of placing blackboard eraser and lettering pen, and it is more to improve function
Sample.
A kind of control Engineering Teaching assistant teaching aid of the utility model, 8 right end of the first threaded rod are provided with friction pad 26,
26 right end of friction pad is connect with left 4 left side wall lower half region of plectane；Friction pad is located on the right side wall of the first threaded rod, when first
When threaded rod right end holds out against left plectane left side wall lower half region, it is easy to happen sliding, by adding friction pad, friction can be increased
Power reduces a possibility that sliding, and improves use reliability.
A kind of control Engineering Teaching assistant teaching aid of the utility model, further includes the first in command 27 and second handle 28,
27 right end of the first in command is connect with 9 left side wall upper half area of the first turntable, 28 left end of second handle and 19 right side wall of the second turntable
Upper half area connection；The first turntable and the second turntable are rotated respectively by the first in command and second handle, can be more laborsaving, it mentions
High property easy to use.
A kind of control Engineering Teaching assistant teaching aid of the utility model further includes four groups of pulley blocks 29, four groups of pulley blocks
29 tops are connect with 3 bottom end front left side of bottom plate, forward right side, left rear side and right lateral side respectively；It can basis by four groups of pulley blocks
The position of Mobile white board is needed, using flexible is improved.
A kind of control Engineering Teaching assistant teaching aid of the utility model, at work, left plectane right side wall central area
Domain is connect with blank left side wall middle section, and right plectane left side wall middle section is connect with blank right side wall middle section, so that
Left plectane and right plectane are in symmetrical position, and left-hand rotation lever right end is connect with left plectane left side wall middle section, right-hand rotation lever
Left end is connect with right plectane right side wall middle section because left-hand rotation lever left end passes through left rotation hole, and right-hand rotation lever right end passes through the right side
Rotation hole, left-hand rotation lever and right-hand rotation lever are rotatablely connected with left rotation hole and right rotation hole respectively, and right-hand rotation lever right end is extend out to
Outside right rotation hole, right-hand rotation lever right end is connect with first gear left side wall middle section, rotates first gear, the first tooth manually
Wheel rotation drives right-hand rotation lever original place at right rotation hole to rotate, and then left-hand rotation lever original place at left rotation hole is driven to rotate,
So that left plectane and right plectane are rotated together with left-hand rotation lever and right-hand rotation lever, and then drive blank rotation, on the left of left connecting rod
Wall upper half area is horizontally arranged with the first threaded hole, and the first threaded rod external screw thread matches with the first threaded hole internal screw thread, and first
Threaded rod right end spiral shell is filled across the first threaded hole, and the first threaded rod left end is connect with the first turntable right side wall middle section, manually
The first turntable is rotated forward or backward, and first the first threaded rod of driven by rotary disc moves to the left or to the right, and left plectane is put in realization
Pine and compression；On the inside of left connecting rod lateral wall and left telescopic chute inner sidewall smooth contact, right connecting rod lateral wall and right telescopic chute
Wall smooth contact slides up and down left connecting rod and right connecting rod in left telescopic chute and right telescopic chute respectively, upper solid
Fixed board top is connect with upper fixed link bottom end middle section, and bottom plate bottom end is connect with lower fixed link top middle section, on
Rolling rod lateral wall respectively with side wall in upper sliding slot and interior downside wall smooth contact, lower rolling rod lateral wall respectively with upper cunning
Side wall and interior side wall smooth contact in dynamic slot, upper sliding eye and lower slider hole are rectangle, so that upper rolling rod is under
Rolling rod can slide in upper sliding eye and lower slider hole to the left or to the right respectively, and rotation rotates forward the second turntable manually,
The rotation of second the second threaded rod of driven by rotary disc, the second threaded rod lateral wall right half area surface smooth part and connecting hole rotation connect
It connects, so that the second threaded rod rotates and position will not move, the second threaded rod rotates forward or backward so that lower rolling rod is under
It to the left or is moved right in sliding eye, while rolling rod to the left or is moved right in upper sliding eye, and then realized pair
Left connecting rod and right connecting rod raise and reduce, so that blank is moved upwardly or downwardly, reduces and use limitation；Second gear
Diameter be much smaller than the diameter of first gear, second gear engage with first gear, rotation second gear, second the first tooth of drive
Wheel rotation allows to carry out the angle of blank since the radius of gyration of second gear is less than the radius of gyration of first gear
Fine tuning improves and uses accuracy；By adding the second left ball bearing and the second right ball bearing, can reduce left-hand rotation lever and
When left rotation hole and right rotation hole go out to rotate, generated frictional resistance, raising use ride comfort to right-hand rotation lever respectively；It needs
When rotating gear wheel, insertion the first card in holding rod left end is put slot, holding rod is rotated, so that first gear rotates, needs to rotate small tooth
When wheel, holding rod is put in slot from the first card and is extracted, the second card of insertion is put in slot, is rotated second gear, is compared saving physical strength, mention
High ease of use；Placement plate can play the role of placing blackboard eraser and lettering pen, improve functional diversity；Friction pad is located at the
On the right side wall of one threaded rod, when the first threaded rod right end holds out against left plectane left side wall lower half region, it is easy to happen sliding, is led to
It crosses and adds friction pad, a possibility that sliding can be reduced with increasing friction force, improve use reliability；Pass through the first in command and
Second chief rotates the first turntable and the second turntable respectively, can be more laborsaving, improves property easy to use；It can by four groups of pulley blocks
With the position of Mobile white board as needed, using flexible is improved.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into modification.
Claims (8)
1. a kind of control Engineering Teaching assistant teaching aid, including blank (1), left connecting rod (2), right connecting rod and bottom plate (3)；Its
It is characterized in that, further includes left plectane (4), right plectane, left-hand rotation lever (5), right-hand rotation lever (6), first gear (7), the first screw thread
Bar (8) and the first turntable (9), left plectane (4) right side wall are connect with blank (1) left side wall middle section, the right plectane
Left side wall is connect with blank (1) right side wall middle section, and left connecting rod (2) the left side wall upper half area is horizontally arranged with left-hand rotation
Dynamic hole, left-hand rotation lever (5) right end are connect with left plectane (4) left side wall middle section, and left-hand rotation lever (5) left end passes through
The dynamic left rotation hole rotation connection of Kong Bingyu, the right connecting rod right side wall upper half area is horizontally arranged with right rotation hole, the right side
Rotating bar (6) left end is connect with right plectane right side wall middle section, right-hand rotation lever (6) right end pass through right rotation hole and with the first tooth
The connection of (7) left side wall middle section is taken turns, right-hand rotation lever (6) and right rotation hole are rotatablely connected, on left connecting rod (2) left side wall
Half region is horizontally arranged with the first threaded hole, and the first threaded rod (8) left end and the first turntable (9) right side wall middle section connect
It connects, the first threaded rod (8) right end spiral shell dress is contacted across the first threaded hole and with left plectane (4) left side wall lower half region；Further include
Left support bar (10), right support bar, upper fixed link (11), lower fixed link, upper mounted plate (12), bottom plate (13), first move
Make bar (14), the second actuating strut (15), upper rolling rod, lower rolling rod (16), overhead gage, lower baffle plate (17), the second threaded rod
(18) and the second turntable (19), the left support bar (10) and right support bar top middle section be respectively arranged with left telescopic chute and
Right telescopic chute, left connecting rod (2) bottom end and right telescopic chute bottom end are respectively protruding into left telescopic chute and right telescopic chute, it is described on
Fixed link (11) left end and right end are connect with left connecting rod (2) right side wall and right connecting rod left side wall lower half region respectively, described
Lower fixed link left end and right end are connect with left connecting rod (2) right side wall and right connecting rod left side wall lower half region respectively, it is described on
Fixed plate (12) top is connect with upper fixed link (11) bottom end middle section, bottom plate (13) bottom end and lower fixed link top
Middle section connection is held, fixed plate (12) and bottom plate (13) front side wall right half area are respectively arranged with sliding eye
With lower slider hole, described first actuating strut (14) one end and upper mounted plate (12) front side wall left area are hinged, the first actuating strut
(14) other end and lower rolling rod (16) front side wall are hinged, and lower rolling rod (16) rear end passes through lower slider Kong Bingyu lower baffle plate
(17) front side wall middle section connects, and described second actuating strut (15) one end and bottom plate (13) front side wall left area are cut with scissors
It connects, the second actuating strut (15) other end and upper rolling rod front side wall are hinged, first actuating strut (14) and the second actuating strut
(15) infall is hinged, and the upper rolling rod rear end passes through upper sliding eye and connect with overhead gage front side wall middle section, described
Left side wall middle section is provided with swivelling chute in lower slider hole, and right side wall middle section is horizontally arranged with connection in lower slider hole
Hole, the second threaded rod (18) lateral wall left area and right half area are that surface is smooth, and the lower rolling rod (16) is right
Side wall centers region is horizontally arranged with the second threaded hole, and the second threaded rod (18) left end is each passed through connecting hole and the second spiral shell
Pit simultaneously stretches in swivelling chute, the second threaded rod (18) lateral wall left area surface smooth part and swivelling chute inner sidewall light
Sliding touching, the second threaded rod (18) lateral wall right half area surface smooth part and connecting hole are rotatablely connected, the second threaded rod
(18) right end is connect with the second turntable (19) left side wall middle section.
2. a kind of control Engineering Teaching assistant teaching aid as described in claim 1, which is characterized in that further include second gear
(20) and intermediate bar (21), the right connecting rod right side wall upper half area are provided with mounting groove, and is provided in the mounting groove
One ball bearing (22), intermediate bar (21) left end be inserted into the first ball bearing (22) and with the first ball bearing (22)
Key connection, intermediate bar (21) right end are connect with second gear (20) left side wall middle section, the second gear (20) and first
Gear (7) is meshed.
3. a kind of control Engineering Teaching assistant teaching aid as claimed in claim 2, which is characterized in that the left rotation hole and the right side
The second left ball bearing (23) and the second right ball bearing, left-hand rotation lever (5) the left end insertion are respectively arranged at rotation hole
It is keyed in the second left ball bearing (23) and with the second left ball bearing (23), right-hand rotation lever (6) right end passes through the
Two right ball bearings are simultaneously keyed in the second right ball bearing.
4. a kind of control Engineering Teaching assistant teaching aid as claimed in claim 3, which is characterized in that it further include holding rod (24),
First gear (7) the right side wall upper half area is provided with the first card and puts slot, second gear (20) the right side wall lower half region
It is provided with the second card and puts slot, holding rod (24) left end stretches to the first card and puts in slot.
5. a kind of control Engineering Teaching assistant teaching aid as claimed in claim 4, which is characterized in that further include placement plate
(25), placement plate (25) rear end is connect with upper fixed link (11) front side wall middle section.
6. a kind of control Engineering Teaching assistant teaching aid as claimed in claim 5, which is characterized in that first threaded rod
(8) right end is provided with friction pad (26), and friction pad (26) right end is connect with left plectane (4) left side wall lower half region.
7. a kind of control Engineering Teaching assistant teaching aid as claimed in claim 6, which is characterized in that further include the first in command
(27) it is connect with second handle (28), the first in command's (27) right end with the first turntable (9) left side wall upper half area, described
Second chief (28) left end is connect with the second turntable (19) right side wall upper half area.
8. a kind of control Engineering Teaching assistant teaching aid as claimed in claim 7, which is characterized in that further include four groups of pulley blocks
(29), four groups of pulley blocks (29) top is connect with bottom plate (3) bottom end front left side, forward right side, left rear side and right lateral side respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821696655.7U CN209610449U (en) | 2018-10-18 | 2018-10-18 | A kind of control Engineering Teaching assistant teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821696655.7U CN209610449U (en) | 2018-10-18 | 2018-10-18 | A kind of control Engineering Teaching assistant teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209610449U true CN209610449U (en) | 2019-11-12 |
Family
ID=68441169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821696655.7U Expired - Fee Related CN209610449U (en) | 2018-10-18 | 2018-10-18 | A kind of control Engineering Teaching assistant teaching aid |
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| Country | Link |
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| CN (1) | CN209610449U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720677A (en) * | 2020-06-18 | 2020-09-29 | 泰州市金海运船用设备有限责任公司 | Ocean oil stain leakage trajectory tracking auxiliary system |
-
2018
- 2018-10-18 CN CN201821696655.7U patent/CN209610449U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720677A (en) * | 2020-06-18 | 2020-09-29 | 泰州市金海运船用设备有限责任公司 | Ocean oil stain leakage trajectory tracking auxiliary system |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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