A kind of dedicated publicity equipment of environmental protection knowledge
Technical field
The present invention relates to a kind of publicity equipment more particularly to a kind of dedicated publicity equipment of environmentally friendly knowledge.
Background technique
Environmental protection, full name environmental protection refer to that the mankind are solution reality or potential environmental problem, coordinate the mankind and environment
Relationship, ensure the sustainable development of economic society and the general name of various action taken.Its ways and means have engineering technology,
Administration, also have law, it is economical, communication and education etc..
Environmentally friendly knowledge is publicized, to reinforce the environmental consciousness of people, that is, the effect to environmental protection can be improved.It is existing
Have to mostly use greatly to inscribe catch-phrase on promotional plate or put up environmentally friendly knowledge in technology and be publicized, the publicity of environmentally friendly knowledge is imitated
Fruit is bad, and the service life of promotional plate is not grown, and increases cost, therefore needs to research and develop that a kind of the effect of publicity is good, service life
The dedicated publicity equipment of environmentally friendly knowledge that is long, can reduce cost.
Summary of the invention
(1) technical problems to be solved
The present invention is bad to the effect of publicity of environmentally friendly knowledge in the prior art in order to overcome, and the service life of promotional plate is not
The shortcomings that growing, increasing cost, the technical problem to be solved in the present invention is to provide a kind of the effect of publicity good, long service life, energy
Enough reduce the dedicated publicity equipment of environmentally friendly knowledge of cost.
(2) technical solution
In order to solve the above-mentioned technical problems, the present invention provides the dedicated publicity equipment of such a environmentally friendly knowledge, include
Supporting leg, shell, driving device, the first regulating device and promotional plate, supporting leg top are connected with shell, are equipped on the right side of shell inner top
Driving device, shell left side lower part are provided with opening, and left side is equipped with the first regulating device, the adjusting of the first regulating device in shell
Component is located in opening, and promotional plate is connected on the regulating member of the first regulating device, and promotional plate is located on the left of shell.
Preferably, driving device includes the first sliding rail, Electric Motor Wheel, driven wheel, the first sliding block and the first bracing wire, in shell
Top right side is vertically-mounted by bolted connection the first sliding rail, is slidably equipped with the first sliding block on the first sliding rail,
First sliding rail inner top is equipped with Electric Motor Wheel, and bottom is equipped with driven wheel in the first sliding rail, connects between Electric Motor Wheel and driven wheel
There is the first bracing wire, the end of the first bracing wire is connect with the top and bottom of the first sliding block respectively.
Preferably, the first regulating device includes mounting plate, gear, reel, rack gear, vertical bar, connecting rod, spring and
Two bracing wires, shell inner top left side are connected with mounting plate vertically by bolted connection, pacify to mounting plate lower rotational formula
Equipped with gear, reel is pivotally installed on front side of gear, the second bracing wire is wound on reel, the first sliding block left side passes through
Bolted mode is connected with rack gear, rack and pinion engagement vertically, and rack gear bottom is welded with vertical bar vertically, and vertical bar bottom is logical
It crosses pin-hinges and is connected with connecting rod, connecting rod left side is connect by bolted connection with promotional plate right flank middle part,
Second end of pulling is connect with promotional plate right side top, and connecting rod and the second bracing wire are respectively positioned in opening, at the top of connecting rod with
Spring is connected between in the middle part of vertical bar left side.
It preferably, further include having water-tight device, water-tight device includes the second sliding rail, the second sliding block, adjusting rod and baffle,
Shell left side top is vertically-mounted by bolted connection the second sliding rail, is slidably equipped with second on the second sliding rail
Sliding block, case top left side are hingedly connected with baffle by pin shaft, and baffle is located above promotional plate, the second sliding block and the second sliding rail
On be provided with pin hole, in the middle part of the second sliding block and baffle medial surface between be equipped with adjusting rod, one end of adjusting rod by pin with
The other end of panel hinge connection, adjusting rod is articulated and connected by pin and the second sliding block.
It preferably, further include having height adjustment device, height adjustment device includes sleeve, screw rod and knob, outside supporting leg
Side is equipped with sleeve, and sleeve is slidably matched with supporting leg, and sleeve right flank middle part is provided with threaded hole, is equipped with screw rod, spiral shell in threaded hole
Bar and threaded hole cooperate.
It preferably, further include having cross bar and pulley, left side is connected with cross bar in shell, and cross bar left end passes through welding manner
Connect with left side in shell, cross bar is above the opening, and cross bar right end is equipped with pulley, the first end of pulling around pulley with
Promotional plate connection.
It preferably, further include having the first reinforcing rib and the second reinforcing rib, in the first sliding rail right side top and shell right side
The first reinforcing rib is connected between the top of face, the first reinforcing rib is inclined to set, and in the first reinforcing rib top center and shell top
The second reinforcing rib is connected between portion, the second reinforcing rib is located on the right side of the first sliding rail.
Preferably, supporting leg is symmetrical is vertically arranged, and connects by bolted connection with housing bottom at the top of supporting leg
It connects, the material of supporting leg is Q235 steel.
Preferably, one end of the first reinforcing rib is connect with the first sliding rail right side by bolted connection, and first adds
The other end of strengthening tendons is connect with right side in shell by bolted connection, and one end of the second reinforcing rib is bolted
Mode connect with the first reinforcing rib, the other end of the second reinforcing rib is connect with shell inner top by bolted connection.
Working principle: in use, the present invention is placed on suitable place, environmentally friendly knowledge is posted on promotional plate.Pass through driving
Device drives the first regulating device, and then the first regulating device adjusts the angle of promotional plate, so that the more convenient sight of people
It sees environmentally friendly knowledge, strengthens the environmental consciousness of people, to improve the effect of publicity.
Because driving device includes the first sliding rail, Electric Motor Wheel, driven wheel, the first sliding block and the first bracing wire, top in shell
It is vertically-mounted by bolted connection on the right side of portion to have the first sliding rail, the first sliding block is slidably equipped on the first sliding rail, the
One sliding rail inner top is equipped with Electric Motor Wheel, and bottom is equipped with driven wheel in the first sliding rail, is connected between Electric Motor Wheel and driven wheel
First bracing wire, the end of the first bracing wire are connect with the top and bottom of the first sliding block respectively, so starting Electric Motor Wheel positive and negative alternate
Rotation, and then pull the first sliding block to slide up and down on the first sliding rail by the first bracing wire, the first sliding block moves up and down driving the
One regulating device.
Because the first regulating device includes mounting plate, gear, reel, rack gear, vertical bar, connecting rod, spring and second
Bracing wire, shell inner top left side are connected with mounting plate vertically by bolted connection, install to mounting plate lower rotational formula
There is gear, reel is pivotally installed on front side of gear, the second bracing wire is wound on reel, the first sliding block left side passes through spiral shell
It tethers the mode connect and is connected with rack gear, rack and pinion engagement vertically, rack gear bottom is welded with vertical bar vertically, and vertical bar bottom passes through
Pin-hinges are connected with connecting rod, and connecting rod left side is connect by bolted connection with promotional plate right flank middle part, the
Two end of pulling are connect with promotional plate right side top, and connecting rod and the second bracing wire are respectively positioned in opening, at the top of connecting rod and perpendicular
It is connected with spring between in the middle part of bar left side, so the first sliding block band carry-over bar moves down when the first sliding block moves down, into
And vertical bar is driven to move down, so that connecting rod is swung up, so that promotional plate is swung up;First rack gear is downward
Band moving gear rotates counterclockwise in mobile process, and reel rotates counterclockwise therewith receives the second bracing wire, and the second bracing wire tenses a surname
Pass board;So the acclivitous angle of promotional plate can be adjusted by distance that rack gear moves down.First sliding block is to moving up
When dynamic, the first sliding block band carry-over bar is moved up, and then vertical bar is driven to move up, so that connecting rod is to lower swing, from
And make promotional plate to lower swing;Band moving gear rotates clockwise during first rack gear moves up, and reel is suitable therewith
The second bracing wire is released in hour hands rotation, while under the action of the spring promotional plate is moved down;So can by rack gear to
The distance of lower movement adjusts the angle that promotional plate tilts down.So that the more convenient viewing of people publicizes knowledge.
Because further including having water-tight device, water-tight device includes the second sliding rail, the second sliding block, adjusting rod and baffle, shell
Body left side top is vertically-mounted by bolted connection the second sliding rail, and it is sliding to be slidably equipped with second on the second sliding rail
Block, case top left side are hingedly connected with baffle by pin shaft, and baffle is located above promotional plate, on the second sliding block and the second sliding rail
It is provided with pin hole, adjusting rod is equipped between the second sliding block and baffle medial surface middle part, one end of adjusting rod passes through pin and gear
The other end of plate articulated connection, adjusting rod is articulated and connected by pin and the second sliding block, so stirring the position of the second sliding block up and down
Set, so that baffle will advertise that board top is blocked completely, can be adjusted carefully by the inclined angle of adjusting rod controllable register,
Bolt is inserted on the pin hole of the second sliding block and the second sliding rail, the position of the second sliding block is fixed.It can so prevent
Rainwater pours on promotional plate, improves the service life of promotional plate.
Because further including having height adjustment device, height adjustment device includes sleeve, screw rod and knob, supporting leg lateral surface
Equipped with sleeve, sleeve is slidably matched with supporting leg, and sleeve right flank middle part is provided with threaded hole, is equipped with screw rod in threaded hole, screw rod with
Threaded hole cooperation, so so that supporting leg moves up and down in sleeve, and then capableing of the height of adjustment housings by knob Unscrew
Degree, can adjust the height of promotional plate, so as to improve the effect of publicity.After regulating height of the invention, pass through knob
Screw rod is tightened, so that the position of supporting leg be fixed.
Because further including having cross bar and pulley, left side is connected with cross bar in shell, cross bar left end by welding manner with
Left side connects in shell, and cross bar is above the opening, and cross bar right end is equipped with pulley, and the first end of pulling is around pulley and a surname
Board connection is passed, so pulley can make the second bracing wire be not easy to rub, so that the second bracing wire is more durable.
Because further including having the first reinforcing rib and the second reinforcing rib, in the first sliding rail right side top and shell on right side
The first reinforcing rib is connected between portion, the first reinforcing rib is inclined to set, the first reinforcing rib top center and shell inner top it
Between be connected with the second reinforcing rib, the second reinforcing rib is located on the right side of the first sliding rail, and the first reinforcing rib makes the position of the first sliding rail more
Add firm, improves safety, the second reinforcing rib makes the position of the first reinforcing rib more firm, so increases of the invention make
Use the service life.
(3) beneficial effect
Good, long service life that invention achieves the effect of publicity, the effect that can reduce cost.
Detailed description of the invention
Fig. 1 is the first schematic view of the front view of the invention.
Fig. 2 is the schematic view of the front view of driving device of the present invention.
Fig. 3 is second of schematic view of the front view of the invention.
Fig. 4 is the schematic view of the front view of water-tight device of the present invention.
Fig. 5 is the schematic view of the front view of height adjustment device of the present invention.
Fig. 6 is the third schematic view of the front view of the invention.
Fig. 7 is the 4th kind of schematic view of the front view of the invention.
The label in accompanying drawing is: 1- supporting leg, 2- shell, 3- driving device, the first regulating device of 4-, 5- opening, 6- publicity
Board, the first sliding rail of 31-, 32- Electric Motor Wheel, 33- driven wheel, the first sliding block of 34-, the first bracing wire of 35-, 41- mounting plate, 42- gear,
43- reel, 44- rack gear, 45- vertical bar, 46- connecting rod, 47- spring, the second bracing wire of 48-, 7- water-tight device, 71- second are sliding
Rail, the second sliding block of 72-, 73- pin hole, 74- adjusting rod, 75- baffle, 8- height adjustment device, 81- sleeve, 82- threaded hole,
83- screw rod, 84- knob, 9- cross bar, 10- pulley, the first reinforcing rib of 11-, the second reinforcing rib of 12-.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
Embodiment 1
It is a kind of environmental protection the dedicated publicity equipment of knowledge include as shown in figs. 1-7 supporting leg 1, shell 2, driving device 3, first
Regulating device 4 and promotional plate 6 are connected with shell 2 at the top of supporting leg 1, driving device 3 are equipped on the right side of 2 inner top of shell, and shell 2 is left
Side lower is provided with opening 5, and left side is equipped with the first regulating device 4 in shell 2, and the regulating member of the first regulating device 4, which is located at, to be opened
In mouth 5, promotional plate 6 is connected on the regulating member of the first regulating device 4, promotional plate 6 is located at 2 left side of shell.
Embodiment 2
It is a kind of environmental protection the dedicated publicity equipment of knowledge include as shown in figs. 1-7 supporting leg 1, shell 2, driving device 3, first
Regulating device 4 and promotional plate 6 are connected with shell 2 at the top of supporting leg 1, driving device 3 are equipped on the right side of 2 inner top of shell, and shell 2 is left
Side lower is provided with opening 5, and left side is equipped with the first regulating device 4 in shell 2, and the regulating member of the first regulating device 4, which is located at, to be opened
In mouth 5, promotional plate 6 is connected on the regulating member of the first regulating device 4, promotional plate 6 is located at 2 left side of shell.
Driving device 3 includes the first sliding rail 31, Electric Motor Wheel 32, driven wheel 33, the first sliding block 34 and the first bracing wire 35, shell
It is vertically-mounted by bolted connection on the right side of 2 inner top of body to have the first sliding rail 31, it is slidably equipped on the first sliding rail 31
First sliding block 34,31 inner top of the first sliding rail are equipped with Electric Motor Wheel 32, and bottom is equipped with driven wheel 33 in the first sliding rail 31, electronic
The first bracing wire 35 is connected between wheel 32 and driven wheel 33, the end of the first bracing wire 35 top and bottom with the first sliding block 34 respectively
Portion's connection.
Embodiment 3
It is a kind of environmental protection the dedicated publicity equipment of knowledge include as shown in figs. 1-7 supporting leg 1, shell 2, driving device 3, first
Regulating device 4 and promotional plate 6 are connected with shell 2 at the top of supporting leg 1, driving device 3 are equipped on the right side of 2 inner top of shell, and shell 2 is left
Side lower is provided with opening 5, and left side is equipped with the first regulating device 4 in shell 2, and the regulating member of the first regulating device 4, which is located at, to be opened
In mouth 5, promotional plate 6 is connected on the regulating member of the first regulating device 4, promotional plate 6 is located at 2 left side of shell.
Driving device 3 includes the first sliding rail 31, Electric Motor Wheel 32, driven wheel 33, the first sliding block 34 and the first bracing wire 35, shell
It is vertically-mounted by bolted connection on the right side of 2 inner top of body to have the first sliding rail 31, it is slidably equipped on the first sliding rail 31
First sliding block 34,31 inner top of the first sliding rail are equipped with Electric Motor Wheel 32, and bottom is equipped with driven wheel 33 in the first sliding rail 31, electronic
The first bracing wire 35 is connected between wheel 32 and driven wheel 33, the end of the first bracing wire 35 top and bottom with the first sliding block 34 respectively
Portion's connection.
First regulating device 4 includes mounting plate 41, gear 42, reel 43, rack gear 44, vertical bar 45, connecting rod 46, bullet
Spring 47 and the second bracing wire 48,2 inner top of shell left side are connected with mounting plate 41, mounting plate 41 vertically by bolted connection
Gear 42 is installed to lower rotational formula, 42 front side of gear is pivotally equipped with reel 43, is wound with second on reel 43
Bracing wire 48,34 left side of the first sliding block are connected with rack gear 44 vertically by bolted connection, and rack gear 44 is engaged with gear 42,
44 bottom of rack gear is welded with vertical bar 45 vertically, and 45 bottom of vertical bar is connected with connecting rod 46,46 left side of connecting rod by pin-hinges
Face is connect by bolted connection with 6 right flank middle part of promotional plate, 48 end of the second bracing wire and 6 right side top of promotional plate
Connection, connecting rod 46 and the second bracing wire 48 are respectively positioned in opening 5, are connected between 46 top of connecting rod and 45 left side of vertical bar middle part
There is spring 47.
Embodiment 4
It is a kind of environmental protection the dedicated publicity equipment of knowledge include as shown in figs. 1-7 supporting leg 1, shell 2, driving device 3, first
Regulating device 4 and promotional plate 6 are connected with shell 2 at the top of supporting leg 1, driving device 3 are equipped on the right side of 2 inner top of shell, and shell 2 is left
Side lower is provided with opening 5, and left side is equipped with the first regulating device 4 in shell 2, and the regulating member of the first regulating device 4, which is located at, to be opened
In mouth 5, promotional plate 6 is connected on the regulating member of the first regulating device 4, promotional plate 6 is located at 2 left side of shell.
Driving device 3 includes the first sliding rail 31, Electric Motor Wheel 32, driven wheel 33, the first sliding block 34 and the first bracing wire 35, shell
It is vertically-mounted by bolted connection on the right side of 2 inner top of body to have the first sliding rail 31, it is slidably equipped on the first sliding rail 31
First sliding block 34,31 inner top of the first sliding rail are equipped with Electric Motor Wheel 32, and bottom is equipped with driven wheel 33 in the first sliding rail 31, electronic
The first bracing wire 35 is connected between wheel 32 and driven wheel 33, the end of the first bracing wire 35 top and bottom with the first sliding block 34 respectively
Portion's connection.
First regulating device 4 includes mounting plate 41, gear 42, reel 43, rack gear 44, vertical bar 45, connecting rod 46, bullet
Spring 47 and the second bracing wire 48,2 inner top of shell left side are connected with mounting plate 41, mounting plate 41 vertically by bolted connection
Gear 42 is installed to lower rotational formula, 42 front side of gear is pivotally equipped with reel 43, is wound with second on reel 43
Bracing wire 48,34 left side of the first sliding block are connected with rack gear 44 vertically by bolted connection, and rack gear 44 is engaged with gear 42,
44 bottom of rack gear is welded with vertical bar 45 vertically, and 45 bottom of vertical bar is connected with connecting rod 46,46 left side of connecting rod by pin-hinges
Face is connect by bolted connection with 6 right flank middle part of promotional plate, 48 end of the second bracing wire and 6 right side top of promotional plate
Connection, connecting rod 46 and the second bracing wire 48 are respectively positioned in opening 5, are connected between 46 top of connecting rod and 45 left side of vertical bar middle part
There is spring 47.
It further include having water-tight device 7, water-tight device 7 includes the second sliding rail 71, the second sliding block 72, adjusting rod 74 and baffle
75,2 left side top of shell is vertically-mounted by bolted connection the second sliding rail 71, on the second sliding rail 71 slidably
Equipped with the second sliding block 72,2 top left side of shell is hingedly connected with baffle 75 by pin shaft, and baffle 75 is located at 6 top of promotional plate, the
It is provided with pin hole 73 on two sliding blocks 72 and the second sliding rail 71, is equipped with and adjusts between the second sliding block 72 and 75 medial surface of baffle middle part
One end of bar 74, adjusting rod 74 is articulated and connected by pin and baffle 75, and the other end of adjusting rod 74 is sliding by pin and second
Block 72 is articulated and connected.
It further include having height adjustment device 8, height adjustment device 8 includes sleeve 81, screw rod 83 and knob 84, supporting leg 1
Lateral surface is equipped with sleeve 81, and sleeve 81 is slidably matched with supporting leg 1, and 81 right flank middle part of sleeve is provided with threaded hole 82, threaded hole 82
Interior to be equipped with screw rod 83, screw rod 83 and threaded hole 82 cooperate.
It further include having cross bar 9 and pulley 10, left side is connected with cross bar 9 in shell 2, and 9 left end of cross bar passes through welding manner
Connect with left side in shell 2, cross bar 9 is located at 5 top of opening, and 9 right end of cross bar is equipped with pulley 10,35 end of the first bracing wire around
Pulley 10 is crossed to connect with promotional plate 6.
It further include having the first reinforcing rib 11 and the second reinforcing rib 12, in 31 right side top of the first sliding rail and shell 2 right side
The first reinforcing rib 11 is connected between the top of face, the first reinforcing rib 11 is inclined to set, 11 top center of the first reinforcing rib and shell
The second reinforcing rib 12 is connected between 2 inner top of body, the second reinforcing rib 12 is located at 31 right side of the first sliding rail.
Supporting leg 1 is symmetrical to be vertically arranged, and 1 top of supporting leg is connect with 2 bottom of shell by bolted connection, is propped up
The material of leg 1 is Q235 steel.
One end of first reinforcing rib 11 is connect with 31 right side of the first sliding rail by bolted connection, the first reinforcing rib
11 other end is connect with right side in shell 2 by bolted connection, and one end of the second reinforcing rib 12 is connected by bolt
The mode connect is connect with the first reinforcing rib 11, and the other end of the second reinforcing rib 12 is pushed up in shell 2 by bolted connection
Portion's connection.
Working principle: in use, the present invention is placed on suitable place, environmentally friendly knowledge is posted on promotional plate 6.Pass through driving
Device 3 drives the first regulating device 4, and then the first regulating device 4 adjusts the angle of promotional plate 6, so that people are more square
Just environmentally friendly knowledge is watched, the environmental consciousness of people is strengthened, to improve the effect of publicity.
Because driving device 3 includes the first sliding rail 31, Electric Motor Wheel 32, driven wheel 33, the first sliding block 34 and the first bracing wire
35, it is vertically-mounted by bolted connection on the right side of shell 2 inner top to have the first sliding rail 31, on the first sliding rail 31 slidably
Equipped with the first sliding block 34,31 inner top of the first sliding rail is equipped with Electric Motor Wheel 32, and bottom is equipped with driven wheel 33 in the first sliding rail 31,
It is connected with the first bracing wire 35 between Electric Motor Wheel 32 and driven wheel 33, the end of the first bracing wire 35 top with the first sliding block 34 respectively
It is connected with bottom, so starting 32 positive and negative alternate of Electric Motor Wheel rotation, and then pull the first sliding block 34 the by the first bracing wire 35
It is slided up and down on one sliding rail 31, the first sliding block 34 moves up and down the first regulating device 4 of driving.
Because the first regulating device 4 includes mounting plate 41, gear 42, reel 43, rack gear 44, vertical bar 45, connecting rod
46, spring 47 and the second bracing wire 48,2 inner top of shell left side are connected with mounting plate 41 vertically by bolted connection, pacify
Gear 42 is installed to 41 lower rotational formula of loading board, 42 front side of gear is pivotally equipped with reel 43, on reel 43 around
There is the second bracing wire 48,34 left side of the first sliding block is connected with rack gear 44, rack gear 44 and gear vertically by bolted connection
42 engagements, 44 bottom of rack gear are welded with vertical bar 45 vertically, and 45 bottom of vertical bar is connected with connecting rod 46, connecting rod by pin-hinges
46 left sides are connect by bolted connection with 6 right flank middle part of promotional plate, 6 right side of 48 end of the second bracing wire and promotional plate
The connection of face top, connecting rod 46 and the second bracing wire 48 are respectively positioned in opening 5,46 top of connecting rod and 45 left side middle part of vertical bar
Between be connected with spring 47, so the first sliding block 34 is moved down with carry-over bar 44 when the first sliding block 34 moves down, and then drive
Vertical bar 45 moves down, so that connecting rod 46 is swung up, so that promotional plate 6 is swung up;First rack gear 44 to
Band moving gear 42 rotates counterclockwise during lower movement, and reel 43 rotates counterclockwise therewith receives the second bracing wire 48, and second draws
Line 48 tenses promotional plate 6;The acclivitous angle of promotional plate 6 can be so adjusted by the distance that rack gear 44 moves down.
When first sliding block 34 moves up, the first sliding block 34 is moved up with carry-over bar 44, and then vertical bar 45 is driven to move up, thus
So that connecting rod 46 is to lower swing, so that promotional plate 6 is to lower swing;Band movable tooth during first rack gear 44 moves up
Wheel 42 rotates clockwise, and reel 43 rotates clockwise therewith releases the second bracing wire 48, while making under the action of spring 47
Promotional plate 6 moves down;So the angle that promotional plate 6 tilts down can be adjusted by the distance that rack gear 44 moves down.
So that the more convenient viewing of people publicizes knowledge.
Because further including having water-tight device 7, water-tight device 7 includes the second sliding rail 71, the second sliding block 72,74 and of adjusting rod
Baffle 75,2 left side top of shell is vertically-mounted by bolted connection the second sliding rail 71, slides on the second sliding rail 71
It is equipped with the second sliding block 72 likes, 2 top left side of shell is hingedly connected with baffle 75 by pin shaft, and baffle 75 is located on promotional plate 6
It is square, it is provided with pin hole 73 on the second sliding block 72 and the second sliding rail 71, is set between the second sliding block 72 and 75 medial surface of baffle middle part
Have an adjusting rod 74, one end of adjusting rod 74 is articulated and connected by pin and baffle 75, the other end of adjusting rod 74 by pin with
Second sliding block 72 articulated connection, so stirring the position of the second sliding block 72 up and down can be tilted by 74 controllable register 75 of adjusting rod
Angle adjust carefully so that baffle 75 will advertise that 6 top of board is blocked completely, bolt is inserted into the second sliding block 72 and the
On the pin hole 73 of two sliding rails 71, the position of the second sliding block 72 is fixed.So it can prevent rainwater from pouring promotional plate 6
On, improve the service life of promotional plate 6.
Because further including having height adjustment device 8, height adjustment device 8 includes sleeve 81, screw rod 83 and knob 84, branch
1 lateral surface of leg is equipped with sleeve 81, and sleeve 81 is slidably matched with supporting leg 1, and 81 right flank middle part of sleeve is provided with threaded hole 82, threaded hole
Screw rod 83 is equipped in 82, screw rod 83 and threaded hole 82 cooperate, so by 84 Unscrew 83 of knob, so that supporting leg 1 is in sleeve
It is moved up and down in 81, and then is capable of the height of adjustment housings 2, the height of promotional plate 6 can be adjusted, so as to improve publicity
Effect.After regulating height of the invention, screw rod 83 is tightened by knob 84, so that the position of supporting leg 1 be fixed.
Because further including having cross bar 9 and pulley 10, left side is connected with cross bar 9 in shell 2, and 9 left end of cross bar passes through welding
Mode is connect with left side in shell 2, and cross bar 9 is located at 5 top of opening, and 9 right end of cross bar is equipped with pulley 10,35 end of the first bracing wire
End connect around pulley 10 with promotional plate 6, so pulley 10 can make the second bracing wire 48 be not easy to rub, so that the second bracing wire
48 is more durable.
Because further including having the first reinforcing rib 11 and the second reinforcing rib 12, in 31 right side top of the first sliding rail and shell 2
The first reinforcing rib 11 is connected between the top of right side, the first reinforcing rib 11 is inclined to set, 11 top center of the first reinforcing rib
The second reinforcing rib 12 is connected between 2 inner top of shell, the second reinforcing rib 12 is located at 31 right side of the first sliding rail, the first reinforcing rib
11 make the position of the first sliding rail 31 more firm, improve safety, the second reinforcing rib 12 makes the position of the first reinforcing rib 11
It is more firm, so increase service life of the invention.
The preferred embodiment of the present invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, several deformations can also be made, improves and substitutes, these belong to this hair
Bright protection scope.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.