CN109903701A - A kind of multi-function learning propaganda board - Google Patents
A kind of multi-function learning propaganda board Download PDFInfo
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- CN109903701A CN109903701A CN201910231786.0A CN201910231786A CN109903701A CN 109903701 A CN109903701 A CN 109903701A CN 201910231786 A CN201910231786 A CN 201910231786A CN 109903701 A CN109903701 A CN 109903701A
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- 210000000481 breast Anatomy 0.000 claims abstract description 33
- 230000000712 assembly Effects 0.000 claims abstract description 6
- 238000000429 assembly Methods 0.000 claims abstract description 6
- 230000006835 compression Effects 0.000 claims description 29
- 238000007906 compression Methods 0.000 claims description 29
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
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- 238000013461 design Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
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- 238000000034 method Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
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Abstract
The invention discloses a kind of multi-function learning propaganda boards, including fore-stock plate and after-poppet plate, slideway through-hole is machined on fore-stock plate, pedal is fixed on after-poppet plate, pedal is hinged with ladder, ladder passes through slideway through-hole, the top of fore-stock plate is hinged with publicity breast board, the top of after-poppet plate is back-up roller wheel, publicity breast board is placed in the back-up roller wheel, the upper end of fore-stock plate is fixed with pusher, fore-stock plate and the opposite side on both sides of after-poppet plate are respectively equipped with magnet base and brake assemblies, the two sides of fore-stock plate and after-poppet plate lower end are respectively equipped with front wheel and rear roller.The present invention is designed by structure, so that culture and propaganda action column is easy to remove, and stability is good;In addition, enable culture and propaganda action column of the present invention also to can be good at carrying out culture and propaganda action displaying in the environment of rainy day or strong sunlight direct projection by design oilcloth structure, it is easy to use.
Description
Technical field
The invention belongs to culture and propaganda action technical field more particularly to a kind of multi-function learning propaganda boards.
Background technique
Today's society is an information age, the public learn the channel of information be it is multifarious, in numerous media,
Propaganda board is undoubtedly media most, that popularization is most wide, easily changes in addition propaganda board is opposite with other media contents, easy to maintain,
The influence power of the advantage of low cost etc., propaganda board is more and more wider.It is often applied to street, factory, school, community, hotel etc.
Public place becomes enterprise or organizes the powerful mean of self publicity and international communication.With the development of the times, propaganda board
Type must be more and more comprehensive, and moulding is more and more diversified, and the content of same propaganda board is also more and more abundant, just adapts to society
The needs that can develop.
But current propaganda board fixes on the ground mostly, even if there is also propaganda boards using movable propaganda column
Higher, the higher problem of center of gravity of height moves poor be easy to happen of stability and topples.
Summary of the invention
The present invention provides a kind of multi-function learning propaganda board, including fore-stock plate and after-poppet plate, the fore-stock plates
On be machined with slideway through-hole, pedal is fixed on the after-poppet plate, one end of the pedal is fixed on after-poppet plate
On, the other end is hinged with ladder, and the ladder and the processing of pedal hinged place are jagged, and the other end of ladder passes through the slideway
Through-hole extends to the front of the fore-stock plate, and the front end of ladder is convex block shape for preventing ladder from deviating from out of slideway through-hole,
The top of the fore-stock plate is hinged with publicity breast board, and the top of after-poppet plate is back-up roller wheel, and the publicity breast board is placed on
In the back-up roller wheel, the upper end of fore-stock plate is fixed with pusher, and the pusher includes shell and catch bar, the shell
Rear openings, shell is fixed on the fore-stock plate, and the catch bar is equipped in shell, and catch bar passes through on rear side of shell
Opening extends to hull outside, and catch bar can slide in shell, and compression bullet is equipped between the inner walls and catch bar
Spring, the fore-stock plate and the opposite side on both sides of after-poppet plate are respectively equipped with magnet base and brake assemblies, the brake group
Part includes that brake cabinet and foot pedal, the brake cabinet are made of ferrimagnet, is equipped with brake wheel in the cabinet that brakes,
Being equipped with shaft by bearing at the axle center of the brake wheel enables brake wheel around its own axis rotation, and brake wheel turns
It is equipped with torsional spring at axis, is also machined with open recess on the brake wheel, brake wheel is fixed with ratchet, the shaft of brake wheel with one heart
Fixed link is also equipped with by bearing, described fixed link one end is mounted in the shaft of brake wheel by bearing, and the other end passes through
Bearing is equipped with ratchet bar shaft, is equipped with ratchet bar, ratchet bar and ratchet bar shaft by bearing in the ratchet bar shaft
Installation site is equipped with torsional spring, and ratchet bar is resisted against on ratchet, and the shaft of brake wheel and the equal both ends of ratchet bar shaft are fixed on brake
On the two sidewalls of cabinet, the pull rod that ratchet bar can be pulled open from ratchet is hinged on the ratchet bar, the pull rod stretches out
It brakes outside cabinet, the middle part of pull rod is equipped with one section of spring section, is fixed with compression bar below the foot pedal, the compression bar is worn
The upper and lower wall and compression bar for crossing brake cabinet can move up and down, and the compression bar between foot pedal and brake cabinet, which is equipped with, replys bullet
Spring is fixed with U-shaped bar in the middle part of compression bar, and the U-shaped bar passes through the open recess, and the bottom of compression bar is hinged with two linkages
Bar, brake cabinet lower section are hinged with front brake bar and rear braking rod, and front brake bar and rear braking rod are located at the two sides of compression bar,
Two interlocking bar are hinged with front brake bar, rear braking rod respectively, and the end of front brake bar and rear braking rod is respectively and fixedly provided with brake lining,
Be fixed with brake sheet rubber on the brake lining, the two sides of fore-stock plate and after-poppet plate lower end be respectively equipped with front wheel and after
Idler wheel.
Further, it is fixed with oilcloth containing case on rear side of the after-poppet plate, oil is installed in the oilcloth containing case
Cloth roller, the oilcloth roller, which is mounted on the side wall of oilcloth containing case by bearing, enables oilcloth roller to rotate, oilcloth
Torsional spring is equipped at the axle center of roller, the outer surface coiling of the oilcloth roller has oilcloth, and the upper end of the oilcloth containing case opens up
There is oilcloth slot, the end of the oilcloth passes through the outside that the oilcloth slot reaches oilcloth containing case, and the end two sides of oilcloth are also set
There is link, the size that the size of the link is greater than oilcloth slot pass through link can not from oilcloth slot, the publicity breast board
Top two sides are equipped with oilcloth idler wheel, and the two sides for publicizing breast board are also hinged with oilcloth strut, and the end of the oilcloth strut, which is equipped with, to hang
The two sides of hook, the publicity breast board are also fixed with spacing block set, for limiting the rotation of oilcloth strut.
Further, the front of the pedal is machined with light slot, and light placement plate, institute are hinged in the light slot
It states and is hinged with support rod below light placement plate, Projecting Lamp is hinged with above light placement plate, Projecting Lamp is being put
It sets and is rotated above plate along the upper surface of placement plate, the bottom of the light slot is equipped with zigzag support slot, the end of the support rod
End can be caught in support slot for adjusting the rotation angle of placement plate.
Further, the two sides of the ladder are equipped with phosphor strip.
Further, article placing groove is further fixed on rear side of the after-poppet plate.
Further, pulley is installed, the ladder, which is placed on the pulley, makes ladder exist in the slideway through-hole
It is rolled on pulley when being moved in slideway through-hole.
According to the above-mentioned technical solution, the beneficial effects of the present invention are: the present invention is designed by structure, so that cultural
Propaganda board is easy to remove, and stability is good;In addition, enabling culture and propaganda action column of the present invention by design oilcloth structure
It is enough also to can be good at carrying out culture and propaganda action displaying in the environment of rainy day or strong sunlight direct projection, it is easy to use.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the structural schematic diagram when present invention carries out promotional display;
Fig. 3 is the structural schematic diagram of brake assemblies;
Fig. 4 is the partial enlarged view in Fig. 1 at A;
Fig. 5 is the structural schematic diagram of pusher;
Fig. 6 is the structural schematic diagram of ladder of the present invention.
Specific embodiment
It is described in detail below with reference to embodiment.
Embodiment
As shown in figs. 1 to 6, a kind of multi-function learning propaganda board, including fore-stock plate 1 and after-poppet plate 2, fore-stock plate 1
On be machined with slideway through-hole 3, be fixed with pedal 4 on after-poppet plate 2, pedal 4 is used to carry out culture and propaganda action poster
Patch or in place of standing is provided when propaganda board wrench book publicizes blackboard newspaper for staff.After one end of pedal 4 is fixed on
On supporting plate 2, the other end is hinged with ladder 5, and ladder 5 uses common ladder structure, includes girder 501 and footrest crossbeam 502,
The girder 501 and pedal 4 of 5 two sides of ladder are hinged, and ladder 5 is rotated around hinged place.The ladder girder 501 with step on
4 hinged place of pedal processing jagged 6, so that ladder will not occur dry with pedal 4 when ladder 5 rotates down and puts down ladder
It relates to and influences normal use.The other end of ladder 5 passes through the front that slideway through-hole 3 extends to fore-stock plate 1, for the ease of ladder
5 slide in slideway through-hole 3, and the bottom of slideway through-hole 3 is equipped with idler wheel row 37.The girder 501 of 5 front end of ladder is designed to convex block
Shape 7 be used for prevent ladder deviate from out of slideway through-hole 3 namely the size of convex block shape 7 be greater than slideway through-hole 3 size.In addition, main
It is machined with fixing threaded hole on beam 501 and fore-stock plate 1, mutually fixes girder 501 with fore-stock plate 1 for installing connecting rods 38,
Prevent ladder 5 from rotating after fixation.The top of fore-stock plate 1 is hinged with publicity breast board 8, and publicity breast board 8 is to carry out culture and propaganda action
Main place, the putting up of culture and propaganda action poster can be carried out, write in one's own hand publicity blackboard newspaper etc..The top of after-poppet plate 2 is back-up roller
Wheel 9 publicizes 8 rack of breast board in back-up roller wheel 9, and back-up roller wheel 9 can fray and publicize breast board 8 in use process in order to prevent
The back side can coat one layer of rubber layer in the external of back-up roller wheel 9.One come can be improved back-up roller wheel 9 and publicity breast board 8 between
Frictional force, with rolling friction replace sliding friction, two come can also reduce to publicity breast board 8 the shock extent of damage, play buffering
Effect.The upper end of fore-stock plate 1 is fixed with pusher 10.Pusher 10 includes shell 11 and catch bar 12, after shell 11
Side opening, shell are fixed on fore-stock plate 1, and catch bar 12 is equipped in shell 11, and catch bar 12 passes through the opening on rear side of shell
It extends to outside shell 11, catch bar 12 can slide in shell 11.Compression is equipped between 11 inner wall of shell and catch bar 12
Spring 13.Fore-stock plate 1 and the opposite side on both sides of after-poppet plate 2 are respectively equipped with magnet base 14 and brake assemblies 15.Brake
Component 15 includes brake cabinet 16 and foot pedal 17, and brake cabinet 16 is made of ferrimagnet, so that after magnet base is opened
Brake cabinet 16 can be sucked fore-stock plate 1 and after-poppet plate 2 is fixed.Brake wheel 18 is installed in brake cabinet 16, is braked
Being equipped with shaft 19 by bearing at the axle center of wheel 18 enables brake wheel around its own axis rotation, the shaft of brake wheel 18
Place is equipped with torsional spring, so that brake wheel 18 has counterclockwise, (counter clockwise direction is the side counterclockwise at the visual angle with reference to shown in Fig. 1
To) restoring force.Open recess 20 is also machined on brake wheel 18.Brake wheel 18 is fixed with ratchet 21, brake wheel 18 with one heart
Shaft 19 fixed link 22 is also equipped with by bearing, 22 one end of fixed link is mounted in the shaft 19 of brake wheel by bearing,
The other end is equipped with ratchet bar shaft 23 by bearing, is equipped with ratchet bar 24, ratchet bar by bearing in ratchet bar shaft 23
24 can rotate around the ratchet bar shaft 23.Ratchet bar 24 and ratchet bar shaft installation site are equipped with torsional spring, so that ratchet bar
There is the restoring force being resisted against on ratchet 21, ratchet 21 can only rotate clockwise when ratchet bar is resisted against on ratchet 21.Brake wheel
Shaft 19 and the equal both ends of ratchet bar shaft 23 be fixed on brake cabinet 16 two sidewalls on.Being hinged on ratchet bar 24 can incite somebody to action
The pull rod 25 that ratchet bar is pulled open from ratchet, pull rod 25 stretch out outside brake cabinet 16, and the middle part of pull rod 25 is equipped with one section of spring
Section 26, spring section 26 is used to buffer the vibration of ratchet bar 24 during ratchet wheel, so that pull rod stretches out during ratchet wheel
Part outside brake cabinet 16 will not be shaken.The lower section of foot pedal 17 is fixed with compression bar 27, and compression bar 27 passes through brake
The upper and lower wall and compression bar of cabinet 16 can move up and down, and the compression bar between foot pedal 17 and brake cabinet 16, which is equipped with, replys bullet
Spring 28.The middle part of compression bar 27 is fixed with U-shaped bar 29, and U-shaped bar 29 passes through open recess 20, so that when compression bar 27 moves downward,
U-shaped bar 29 by open recess 20 drive brake wheel 18 rotate clockwise (clockwise direction be the visual angle with reference to shown in Fig. 1
Clockwise);Conversely, U-shaped bar 29 drives brake wheel 18 to turn counterclockwise by open recess 20 when compression bar 27 moves upwards
It is dynamic.The bottom of every compression bar 27 is hinged with two interlocking bar 30, and front brake bar 31 is hinged with below each brake cabinet with after
Brake lever 32, front brake bar 31 and rear braking rod 32 are located at the two sides of compression bar 27, two interlocking bar on same compression bar 27
Hinged with front brake bar 31, rear braking rod 32 respectively, the end of front brake bar 31 and rear braking rod 32 is respectively and fixedly provided with brake lining 33,
Brake sheet rubber 34 is fixed on brake lining 33, the two sides of 2 lower end of fore-stock plate 1 and after-poppet plate are respectively equipped with front wheel 35
With rear roller 36.When the fore-stock plate 1 on culture and propaganda action column and after-poppet plate 2 are drawn close mutually, generated by turning magnet base 14
Magnetic force, be sucked brake cabinet 16 fore-stock plate 1 and after-poppet plate 2 is fastened to each other, then step on foot pedal 17,17 band of foot pedal
Dynamic pressure bar 27 moves down, and then drives the two sides rotation forward and backward of front brake bar 31, rear braking rod 32 by interlocking bar 30,
So that brake lining 33 on front brake bar 31, rear braking rod 32 compresses front wheel 35 and rear roller 36 simultaneously, on brake lining 33
Brake sheet rubber 34 simultaneously holds front wheel 35 and rear roller 36 tightly, prevents propaganda board during showing mobile.Using the present invention
The mode that is this while holding four rolling tightly enables to brake fixation relatively reliable, only holds two tightly compared to traditional
The mode that a wheel or four wheels are held tightly respectively, operation of the present invention is simple, and brake fixed effect is good, and propaganda board is not easy to move
It is dynamic, also it is not easy to topple over that (structure design of the invention is obviously than only holding a scheme for two wheels tightly with more excellent anti-dumping
It could power).
In use process, culture and propaganda action column of the present invention is first shifted to the position for needing to show onto, since the present invention deposits
Carriage type structure is formed in front wheel 35 and rear roller 36, so movement is more convenient.Culture and propaganda action column is moved to designated position
Fore-stock plate 1 is first fixed afterwards, ladder 5 is extracted out, until magnet base is bonded with brake cabinet 16;It turns magnet base 14 and generates magnetic
Power is sucked brake cabinet 16 fore-stock plate 1 and after-poppet plate 2 is fastened to each other, then steps on foot pedal 17 for culture and propaganda action column
Four rolling (i.e. all front wheels 35 and rear roller 36) is fixed, and ladder 5 has been fully drawn out fore-stock plate 1 at this time, and steps on
Pedal 4 also some stretched out supporting plate 1 as staff standing in place of.Then it puts down ladder 5 and makes the convex of ladder 5
Bulk 7 touches ground.Girder 501 is mutually being fixed with fore-stock plate 1 with connecting rod 38, is preventing the rotation of ladder 5 from causing propaganda board
It is unstable.While ladder 5 is extracted out, the back-up roller wheel 9 on after-poppet plate 2 forward draw close by supporting plate 1, while back-up roller wheel 9
It slowly will advertise that the rotation of breast board 8 is propped up, so that publicity breast board gradually becomes to place vertically by laying flat, when publicity breast board 8 is in vertical
When placement, publicity breast board 8 compresses catch bar 12 and catch bar is pressed into shell 11, and compression compressed spring 13 generates elastic force.At this time
Staff can climb up pedal 4 by ladder 5, in puted up on the publicity breast board 8 placed vertically culture and propaganda action poster or
Person is in activities such as propaganda board wrench book publicity blackboard newspapers.When needing to move on culture and propaganda action column after culture and propaganda action activity end, first
Foot pedal 17 is slammed, pulls pull rod 25 that ratchet bar 24 is detached from against ratchet, ratchet is made to turn counterclockwise under the action of torsional spring
It is dynamic, drive brake wheel 18 to rotate in an anti-clockwise direction, brake wheel 18 drives compression bar 27 to move up by open recess 20, returns simultaneously
There is also a restoring forces, and compression bar 27 is moved up for multiple spring 28, and when compression bar 27 is moved to highest point, brake lining 33 is same
Then Shi Songkai front wheel 35 and rear roller 36 are turning the closing magnetic force of magnet base 14, ladder 5 are lifted push-in fore-stock plate 1
Slideway through-hole 3 in.At the same time, back-up roller wheel 9 moves backward, and due to the effect of pusher 10, publicizing breast board 8 will not be perpendicular
Balance is kept under straight state, the elastic force of compressed spring 13 pushes publicity breast board 8 to be poured in back-up roller wheel 9 by catch bar 12, into
And fit since gravity publicizes breast board 8 with back-up roller wheel 9, publicize the moving backward gradually with back-up roller wheel 9 of breast board 8
It is laid flat.
It, can be in the fixed oilcloth containing case of the rear side of after-poppet plate 2 in order to deal with light rain weather and the strong situation of light
39.Oilcloth roller 40 is installed, oilcloth roller 40 is mounted on the side wall of oilcloth containing case by bearing in oilcloth containing case 39
Oilcloth roller 40 is rotated.Torsional spring is equipped at the axle center of oilcloth roller 40, the outer surface coiling of oilcloth roller 40 has oil
Cloth 41.The upper end of oilcloth containing case 39 offers oilcloth slot 42, and the end of oilcloth 41 passes through oilcloth slot 42 and reaches oilcloth containing case
Outside, the end two sides of oilcloth are additionally provided with link 43, and the size that the size of link 43 is greater than oilcloth slot 42 makes link can not
It is passed through from oilcloth slot, prevents link 43 from falling into oilcloth containing case 39.The top two sides for publicizing breast board 8 are equipped with oilcloth idler wheel 44,
The two sides of publicity breast board 8 are also hinged with oilcloth strut 45, and the end of oilcloth strut is equipped with hook 46, publicizes the two sides of breast board 8 also
It is fixed with spacing block set 47, for limiting the rotation of oilcloth strut.When light rain weather needs block or strong sunlight needs to hide
When gear, in publicity breast board 8 under display state (i.e. publicity breast board 8 is placed under state in a vertical shape), oilcloth 41 is pulled out, oilcloth is overcome
Torsional spring at 40 axle center of roller does work so that torsional spring generates screen resilience, and oilcloth 41 bypasses back-up roller wheel 9 and oilcloth idler wheel 44, finally
So that link 43 is hung on the hook 46 of oilcloth strut, at this time due to the position-limiting action of spacing block set 47, oilcloth strut 45 be to
Preceding stretch-like has certain occlusion effect to the front of publicity breast board 8.When do not need in use, by link 43 from hook 46
On take off, due to the return action of torsional spring, oilcloth roller 40 is again by oilcloth 41 around entering in oilcloth containing case 39 to store.
In some cases, it needs to continue culture and propaganda action in the dusk or night to show, for this purpose, the present invention can be in pedal
17 front is machined with light slot 48, and light placement plate 49 is hinged in light slot 48, and the lower section of light placement plate 49 is hinged with
Support rod 50 is hinged with Projecting Lamp 51 above light placement plate and enables Projecting Lamp above placement plate along the upper of placement plate
Surface pivots, the direction of illumination of adjusting transmission of light lamp 51.The bottom of light slot 48 is equipped with zigzag support slot 52, support rod 50
End can be caught in support slot for adjusting the rotation angle of placement plate, and then adjust the irradiation height of light transmission lamp 51.The dim light of night
When darker, the ladder in front of the roadside propaganda board of flow of the people comparatively dense is likely to result in the danger for tripping pedestrian, the ladder
Two sides phosphor strip 53 is installed, remind pedestrian to give and pay attention to.
The rear side of after-poppet plate can also be fixed with article placing groove 54, general used in culture and propaganda action displaying for storing
Article.
Technical solution provided by the present invention is described in detail above, for those of ordinary skill in the art,
Thought according to an embodiment of the present invention, there will be changes in the specific implementation manner and application range, in conclusion this theory
Bright book content should not be construed as limiting the invention.
Claims (6)
1. a kind of multi-function learning propaganda board, which is characterized in that including fore-stock plate and after-poppet plate, add on the fore-stock plate
Work has slideway through-hole, and pedal is fixed on the after-poppet plate, and one end of the pedal is fixed on after-poppet plate, separately
One end is hinged with ladder, and the ladder and the processing of pedal hinged place are jagged, and the other end of ladder passes through the slideway through-hole
The front of the fore-stock plate is extended to, the front end of ladder is convex block shape for preventing ladder from deviating from out of slideway through-hole, described
The top of fore-stock plate is hinged with publicity breast board, and the top of after-poppet plate is back-up roller wheel, and the publicity breast board is placed on described
In back-up roller wheel, the upper end of fore-stock plate is fixed with pusher, and the pusher includes shell and catch bar, after the shell
Side opening, shell are fixed on the fore-stock plate, and the catch bar is equipped in shell, and catch bar passes through the opening on rear side of shell
Hull outside is extended to, catch bar can slide in shell, and compressed spring, institute are equipped between the inner walls and catch bar
It states fore-stock plate and the opposite side on both sides of after-poppet plate is respectively equipped with magnet base and brake assemblies, the brake assemblies include
Brake cabinet and foot pedal, the brake cabinet are made of ferrimagnet, are equipped with brake wheel, the brake in the cabinet that brakes
Being equipped with shaft by bearing at the axle center of wheel enables brake wheel to set at its own axis rotation, the shaft of brake wheel
There is torsional spring, open recess is also machined on the brake wheel, brake wheel is fixed with ratchet with one heart, and the shaft of brake wheel also passes through
Bearing is equipped with fixed link, and described fixed link one end is mounted in the shaft of brake wheel by bearing, and the other end is pacified by bearing
Equipped with ratchet bar shaft, ratchet bar, ratchet bar and ratchet bar shaft installation position are equipped with by bearing in the ratchet bar shaft
Torsional spring is installed, ratchet bar is resisted against on ratchet, and the shaft of brake wheel and the equal both ends of ratchet bar shaft are fixed on brake cabinet
On two sidewalls, the pull rod that ratchet bar can be pulled open from ratchet is hinged on the ratchet bar, the pull rod stretches out brake case
Outside body, the middle part of pull rod is equipped with one section of spring section, and compression bar is fixed with below the foot pedal, and the compression bar passes through brake
The upper and lower wall and compression bar of cabinet can move up and down, and the compression bar between foot pedal and brake cabinet is equipped with returning spring, pressure
U-shaped bar is fixed in the middle part of bar, the U-shaped bar passes through the open recess, and the bottom of compression bar is hinged with two interlocking bar, brakes
Front brake bar and rear braking rod are hinged with below cabinet, front brake bar and rear braking rod are located at the two sides of compression bar, two connection
Lever is hinged with front brake bar, rear braking rod respectively, and the end of front brake bar and rear braking rod is respectively and fixedly provided with brake lining, the brake
It is fixed with brake sheet rubber on vehicle face, the two sides of fore-stock plate and after-poppet plate lower end are respectively equipped with front wheel and rear roller.
2. a kind of multi-function learning propaganda board according to claim 1, which is characterized in that the rear side of the after-poppet plate is solid
Surely there is oilcloth containing case, oilcloth roller is installed in the oilcloth containing case, the oilcloth roller is mounted on oilcloth by bearing
Enable oilcloth roller to rotate on the side wall of containing case, be equipped with torsional spring at the axle center of oilcloth roller, the oilcloth roller it is outer
Surface coiling has oilcloth, and the upper end of the oilcloth containing case offers oilcloth slot, and the end of the oilcloth passes through the oilcloth slot
The outside of oilcloth containing case is reached, the end two sides of oilcloth are additionally provided with link, and the size of the link is greater than the size of oilcloth slot
So that link can not be passed through from oilcloth slot, the top two sides of the publicity breast board are equipped with oilcloth idler wheel, publicize the two sides of breast board also
It is hinged with oilcloth strut, the end of the oilcloth strut is equipped with hook, and the two sides of the publicity breast board are also fixed with limit convex
Block, for limiting the rotation of oilcloth strut.
3. according to claim 1 or a kind of 2 described in any item multi-function learning propaganda boards, which is characterized in that the pedal
Front be machined with light slot, light placement plate is hinged in the light slot, is hinged with branch below the light placement plate
Strut is hinged with Projecting Lamp above light placement plate and Projecting Lamp is turned above placement plate along the upper surface of placement plate
Dynamic, the bottom of the light slot is equipped with zigzag support slot, and the end of the support rod can be caught in support slot for adjusting
The rotation angle of placement plate.
4. according to claim 1 or a kind of 2 described in any item multi-function learning propaganda boards, which is characterized in that the ladder
Two sides are equipped with phosphor strip.
5. according to claim 1 or a kind of 2 described in any item multi-function learning propaganda boards, which is characterized in that the after-poppet
Article placing groove is further fixed on rear side of plate.
6. according to claim 1 or a kind of 2 described in any item multi-function learning propaganda boards, which is characterized in that the slideway is logical
Pulley is installed, the ladder, which is placed on the pulley, rolls ladder on pulley when moving in slideway through-hole in hole
It is dynamic.
Priority Applications (1)
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CN201910231786.0A CN109903701B (en) | 2019-03-26 | 2019-03-26 | Multi-functional culture publicity column |
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CN201910231786.0A CN109903701B (en) | 2019-03-26 | 2019-03-26 | Multi-functional culture publicity column |
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CN109903701A true CN109903701A (en) | 2019-06-18 |
CN109903701B CN109903701B (en) | 2020-11-24 |
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CN201910231786.0A Expired - Fee Related CN109903701B (en) | 2019-03-26 | 2019-03-26 | Multi-functional culture publicity column |
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CN208515637U (en) * | 2018-06-28 | 2019-02-19 | 石家庄市宏达专用汽车制造有限公司 | A kind of astronomical popularization propaganda car |
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2019
- 2019-03-26 CN CN201910231786.0A patent/CN109903701B/en not_active Expired - Fee Related
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DE29722341U1 (en) * | 1997-12-18 | 1999-04-15 | Expresso Deutschland Transportgeräte GmbH, 34123 Kassel | Push luggage trolley |
CN2411539Y (en) * | 2000-01-25 | 2000-12-20 | 张伟勇 | Multifuntion dangerous warning mark plate |
CN201418526Y (en) * | 2009-04-16 | 2010-03-10 | 竺永超 | Storage rack with function of advertisement |
CN203954616U (en) * | 2014-06-13 | 2014-11-26 | 江西师范大学 | A kind of collapsible removable tennis backstop |
CN204706316U (en) * | 2015-06-27 | 2015-10-14 | 桐乡市唐潮广告有限公司 | A kind of movable advertisement support |
CN206388478U (en) * | 2016-12-28 | 2017-08-08 | 刘小娟 | A kind of exhibition vehicle of portable Environment Design |
CN207776775U (en) * | 2018-01-25 | 2018-08-28 | 沈鹏升 | A kind of ladder of the house decoration with protecting field furring tile function |
CN208515637U (en) * | 2018-06-28 | 2019-02-19 | 石家庄市宏达专用汽车制造有限公司 | A kind of astronomical popularization propaganda car |
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