CN208093089U - Rolling rod, tourelle and its advertising lamp box - Google Patents

Abstract

The utility model discloses a kind of rolling rod comprising bar body, driving mechanism, detent mechanism and telescoping mechanism, bar body are in hollow structure, and hollow structure forms host cavity；Driving mechanism is placed in host cavity, and driving mechanism includes actuator, and the output end of actuator is in the connecting rod body of rotation, and actuator drive bar body is using the axle center of bar body as rotation axis rolling；Detent mechanism is placed in host cavity, and detent mechanism is provided with locating piece in one end of bar body, and locating piece connects actuator, the chamfered structure in side of the locating piece far from actuator；Telescoping mechanism is placed in host cavity, and telescoping mechanism is provided with thimble in protruding out of being resilient of the other end of bar body；The structure of the rolling rod of the utility model is simple, built-in driving, convenient for finely tuning and be suitable for Quick Release；The utility model additionally provides a kind of tourelle and the advertising lamp box with the tourelle, and the advertising lamp box with the tourelle is ultra-thin and beautiful.

Description

Rolling rod, tourelle and its advertising lamp box

Technical field

The utility model is related to a kind of advertising lamp box field more particularly to rolling rod, tourelle and its advertising lamp boxs.

Background technology

It is existing to there is the different types of advertising lamp box for carrying out advertising display publicity on the market.Wherein, it can cut automatically Painting canvas is changed with by the advertising lamp box of circularly exhibiting difference painting canvas content, due to its unique, novel the effect of publicity, by vast The favor of advertiser and enterprise.However, being limited by the prior art, the driving motor of existing advertising lamp box will be not interposing at advertising lamp It inside case, to be not interposing at outside advertising lamp box, when driving motor is placed in inside advertising lamp box, picture should be stored in advertising lamp box Cloth will also store driving motor, significantly increase the volume of advertising lamp box, can not adapt to advertising lamp box of the market to ultrathin Pursuit；When driving motor is placed in outside advertising lamp box, the beauty of advertising lamp box is seriously affected, and external driving motor is sudden and violent It is exposed to external environment, easily stolen or damage is not easy to large scale investment market.In addition, the advertising lamp box of the prior art is being pacified When filling rolling rod and replacing painting canvas, need to dismantle the support base of rolling rod, it is cumbersome to take out rolling rod, extensively It accuses lamp box to be easily damaged in the installation process of dismounting repeatedly of support base, leverages the service life of advertising lamp box.

Therefore, there is an urgent need for it is a kind of it is simple in structure, it is built-in driving, convenient for finely tune and suitable for Quick Release rolling rod and have the rolling The tourelle of bar, and ultra-thin and beautiful advertising lamp box with the tourelle overcome drawbacks described above.

Utility model content

The purpose of this utility model is to provide it is a kind of it is simple in structure, it is built-in driving, convenient for finely tune and suitable for Quick Release rolling Lever.

The another object of the utility model is to provide a kind of driving simple in structure, built-in, convenient for finely tuning and be suitable for Quick Release Tourelle.

The further object of the utility model is to provide a kind of ultra-thin and beautiful advertising lamp box with the tourelle.

To achieve the above object, a kind of rolling rod of the utility model comprising bar body, driving mechanism, detent mechanism And telescoping mechanism, the bar body are in hollow structure, the hollow structure forms host cavity；The driving mechanism is placed in the receipts In vessel, the driving mechanism includes actuator, and the output end of the actuator is in the connection bar body of rotation, the drive Moving part drives the bar body to be rolled by rotation axis of the axle center of the bar body；The detent mechanism in the bar body one End is provided with locating piece, and the locating piece connects the actuator, and side of the locating piece far from the actuator is chamfered Structure；The telescoping mechanism is provided with thimble in protruding out of being resilient of the other end of the bar body.

Preferably, the driving mechanism further includes connector, the connector is separately connected the output end of the actuator And the bar body.

Preferably, the driving mechanism further includes briquetting and the auxiliary member of structure, the briquetting are provided in a ring The first lock hole that one locking piece passes through, the auxiliary member are provided with the second lock hole passed through for first locking piece, institute It states side of the connector far from the actuator to protrude out to form interconnecting piece, the interconnecting piece, which runs through, to be equipped with for briquetting insertion Connecting hole, the auxiliary member pass through the interconnecting piece and by the briquetting be inserted into the connecting hole when, first locking piece according to It is secondary that first lock hole and second lock hole, first locking piece is passed through to lock the briquetting and the auxiliary member In on the connector.

Preferably, the bar body offers the third lock hole passed through for the second locking piece, second locking piece is worn The third lock hole is crossed so that the bar body is fixed on the interconnecting piece.

Preferably, the detent mechanism further includes positioning seat and first bearing, the positioning seat is fixed on the actuator On, the one end of the positioning seat far from the actuator protrudes out to be formed for the fixed positioning region of the locating piece；The first axle Bearing sleeve is set on the positioning region, and the lateral wall of the first bearing compresses the madial wall of the host cavity, when the bar body When rolling, the bar body drives the first bearing to roll.

Preferably, the locating piece is in plum-shaped structure, the locating piece is extended through to be provided with and be worn for third locking piece The 4th lock hole crossed and the string holes for supplying the cable of the actuator to pass through, by the third locking piece and the 4th locking Hole, the locating piece are fixed on the positioning region；By the string holes, it is described to be exposed to that the cable passes through the string holes Outside rolling rod.

Preferably, the telescoping mechanism further includes thimble seat and second bearing, the lateral wall of the thimble seat compresses described The madial wall of host cavity, the thimble seat run through the inserting groove for being equipped with grafting of stretching for the thimble, two second bearings point It is not set to the inserting groove along the both ends of the plugging direction of the thimble, the thimble is arranged between two second bearings There is snap ring, the thimble compresses between the snap ring and the second bearing of the close actuator to have elastic component, institute Stating elastic element makes the thimble perseverance have the trend for convexedly stretching in the drive rod；The second bearing is fixed on the inserting groove Interior, the thimble passes through the second bearing, by the thimble seat and the second bearing, when the bar body rolls, The bar body drives the thimble seat to be rolled by axle center of the thimble.

Preferably, the rolling rod further includes the first roll sleeve and the second roll sleeve in damping structure, the first roll sleeve set In the first bearing, the first bearing compresses the madial wall of the host cavity by first roll sleeve, and described Two roll sleeves are sheathed on the thimble seat, and the thimble seat compresses the madial wall of the host cavity by second roll sleeve, when When the bar body rolls, the bar body drives the first bearing respectively by first roll sleeve and second roll sleeve And the thimble seat follows the bar body synchronous rolling.

Correspondingly, the utility model additionally provides a kind of tourelle comprising rolling rod as described above and fixed machine Structure, the fixed mechanism include the first fixed seat and the second fixed seat, and first fixed seat is formed towards the locating piece and supplied The first mounting hole that the locating piece is fixed, second fixed seat form solid for the thimble grafting towards the thimble The second fixed mounting hole.

Correspondingly, the utility model additionally provides a kind of advertising lamp box, and the advertising lamp box forms storing in hollow structure Chamber, the advertising lamp box include a plurality of tourelles as described above for winding painting canvas, first fixed seat and institute The second fixed seat is stated in being relatively fixed in the storage chamber, the rolling rod be removably connected to first fixed seat and Between second fixed seat；The painting canvas wraps around on two to be set in parallel the rolling rod, by two rollings The synchronous rolling of lever, the painting canvas roll between two rolling rods.

Compared with prior art, it is arranged in parallel with a plurality of tourelles in the advertising lamp box of the utility model, rolls dress The first fixed seat and the second fixed seat set are individually fixed in the storage chamber of advertising lamp box, to fix rolling rod, painting canvas difference It is wound on two rolling rods being set in parallel, by the synchronous rolling of two rolling rods, painting canvas is driven to be rolled between two rolling rods It is dynamic, the rolling switching of painting canvas is realized, convenient for launching different painting canvas contents in same advertising lamp box；Tourelle is provided with Bar body, driving mechanism, detent mechanism and telescoping mechanism, driving mechanism is integrated in bar body, is avoided because of driving mechanism It is placed in the storage chamber of advertising lamp box and is increased the volume of advertising lamp box, or U.S. is influenced because driving mechanism is placed in outside advertising lamp box See and be not easy to the preservation of driving mechanism；The chamfered structure in side of the locating piece of detent mechanism far from actuator, avoid because Cause rolling rod that can not install when first fixed seat and the second fixed seat are not at complete corresponding position, when the first fixed seat and When second fixed seat is not at complete corresponding position, the chamfering structure of locating piece can utilize the radian of chamfering structure solid in first The fine tuning of position is carried out in first mounting hole of reservation, so that locating piece stabilization is fastened in the first fixed seat, from And the installation for completing rolling rod is fixed；Telescoping mechanism is provided with thimble in protruding out of being resilient of bar body, realizes tourelle Quick Release setting, avoid installation rolling rod and need dismounting to the first fixed seat and/or the second fixed seat when replacing painting canvas, When rolling rod is installed, by thimble alignment and under be pressed on the second mounting hole of the second fixed seat, thimble is pressurized in retraction bar body, with It vacates certain position to be caught in the first mounting hole of the first fixed seat by locating piece, by the way that the thimble of elastic telescopic is arranged, reduce The installation of rolling rod and the difficulty for replacing painting canvas, realize the Quick Release of rolling rod.

Description of the drawings

Fig. 1 is the structural schematic diagram of the advertising lamp box of the utility model.

Fig. 2 is that Fig. 1 removes the structural schematic diagram after painting canvas.

Fig. 3 is the structural schematic diagram of the tourelle of the utility model.

Fig. 4 is the structural schematic diagram after rolling rod is detached with fixed mechanism in Fig. 3.

Fig. 5 is the structural schematic diagram after the rolling rod of the utility model is detached with bar body.

Fig. 6 is the decomposition diagram of Fig. 5.

Fig. 7 is sectional views of the Fig. 3 along the directions A-A.

Fig. 8 is that driving mechanism removes the decomposition diagram after actuator.

Fig. 9 is the decomposition diagram of the detent mechanism of the utility model.

Figure 10 is the front view of the locating piece of the utility model.

Figure 11 is the decomposition diagram of the telescoping mechanism of the utility model.

Figure 12 is the front view of the fixed mechanism of the utility model.

Specific implementation mode

In order to which the technology contents, construction feature of the utility model is described in detail, below in conjunction with embodiment and coordinate attached drawing It is described further.

It please referring to Fig.1 with shown in Fig. 2, the advertising lamp box 1 of the present embodiment is suitable for making ultra thin dimensions to promote aesthetics, Winding is printed with the painting canvas 2 of different content advertisement in advertising lamp box 1, when by controlling rolling of the painting canvas 2 in advertising lamp box 1 Between, rolling speed and roll stroke etc. to realize the dispensing of the different ad contents of the advertising lamp box 1 of the present embodiment.The present embodiment Advertising lamp box 1 in hollow structure formed storage chamber, advertising lamp box 1 include two tourelles 1000, two tourelles 1000 are set in parallel in storage chamber, and the both ends of painting canvas 2 wrap around on corresponding tourelle 1000, when two rollings When 1000 synchronous rolling of device, a tourelle 1000 increases the length of the winding of painting canvas 2, another tourelle in rolling process 1000 reduce the length that painting canvas 2 is wound in rolling process, to realize that painting canvas 2 is shifting between two tourelles 1000 Folding and unfolding can enable advertising lamp box 1 by controlling the rolling times of two tourelles 1000, rolling speed and roll stroke Enough timings, constant speed and the specific painting canvas of quantitative dispensing 2 content, to promoted the present embodiment advertising lamp box 1 practicability, just In advertiser different types of advertisement is launched for different periods.The tourelle of the present embodiment 1000 is retouched in detail below It states.

It please refers to Fig.1, shown in Fig. 3 and Fig. 4, the tourelle 1000 of the present embodiment includes rolling rod 100 and fixed mechanism 200.Wherein, fixed mechanism 200 includes the first fixed seat 210 and the second fixed seat 220, and the first fixed seat 210 and second is fixed Seat 220 is in be relatively fixed in storage chamber, it is preferred that the first fixed seat 210 and the second fixed seat 220 are fixed in storage chamber On two opposite side walls, the both ends of rolling rod 100 are sticked in respectively in the first fixed seat 210 and the second fixed seat 220, so that It obtains rolling rod 100 to prop up and be fixed on the two opposite side walls of storage chamber, to complete tourelle 1000 in advertising lamp box 1 Assembly.Further, a tourelle 1000 is installed on the top of two opposite side walls in storage chamber, two opposite sides in storage chamber Another tourelle 1000 is installed in lower part on wall, and two tourelles 1000 are arranged in parallel, and painting canvas 2 is wound in tight Between two tourelles 1000, so that the painting canvas 2 being wound between two tourelles 1000 can follow two tourelles 1000 Synchronous rolling and rolled in the display location of advertising lamp box 1 and show different ad content.It should be noted that the present embodiment The quantity of tourelle 1000 be set as a plurality of, a painting canvas 2 is wound between each two tourelle 1000 to complete one group Ad content is launched, and such as four, six, eight a plurality of tourelles 1000 can also be arranged in advertising lamp box 1, with It is implemented in the ad content dispensing that two groups, three groups, four groups etc. quantity are launched in advertising lamp box 1, this will not be repeated here.

The rolling rod 100 of the present embodiment will be described in detail below.

It please refers to shown in Fig. 5-Fig. 7, the rolling rod 100 of the present embodiment includes bar body 10, driving mechanism 20, detent mechanism 30 and telescoping mechanism 40.Wherein, bar body 10 is in hollow structure, and hollow structure forms host cavity 11, driving mechanism 20, localization machine Structure 30 and telescoping mechanism 40 are placed in host cavity 11, it is preferred that bar body 10 is specially round bar, to painting canvas when in order to roll 2 are wound.Driving mechanism 20 includes actuator 21, and the output end of actuator 21 is in the connecting rod body 10 of rotation, actuator 21 drive bar body 10 to be rolled by rotation axis of the axle center of bar body 10, realize and actuator 21 is built in bar body 10, When the output end rotation of actuator 21, the output end of actuator 21 drives bar body 10 to rotate, and actuator 21 itself does not turn, and keeps away Exempt from actuator 21 itself to rotate because participating in due to reduce the service life.Specifically, the actuator 21 is brushless motor, the body of brushless motor Product it is small, convenient for being built in host cavity 11, and the noise of brushless motor it is small, it is at low cost and convenient for safeguard, using brushless motor, just In the advertising lamp box 1 of the present embodiment to be applied to different dispensing occasions.Detent mechanism 30 is set in one end of bar body 10 It is equipped with locating piece 31, locating piece 31 connects actuator 21, the chamfered structure in side of the locating piece 31 far from actuator 21, telescopic machine Structure 40 is provided with thimble 41 in protruding out of being resilient of the other end of bar body 10, by 41 top pressure of thimble in bar body 10, with drop The entire length of low rolling rod 100, consequently facilitating being installed on rolling rod 100 in advertising lamp box 1.Specifically, tourelle 1000 the first fixed seat 210 forms towards locating piece 31 and consolidates for locating piece 31 is fixed first as shown in Figure 12 (a) Determine hole 211, the second fixed seat 220 is formed towards thimble 41 and fixed for the second of 41 plugged and fixed of thimble as shown in Figure 12 (b) Thimble 41 is directed at the second mounting hole 221 and pushed by hole 221, and thimble 41 is compressed and is retracted in bar body 10, at this point, rolling The entire length of lever 100 reduces, and is that fulcrum moves rolling rod 100 with thimble 41 so that locating piece 31 is directed at the first mounting hole 211, cancel the top pressure to thimble 41, thimble 41 is convexedly stretched in again outside bar body 10, and the entire length of rolling rod 100 restores normal Level, it is slight to adjust locating piece 31 at this point, locating piece 31 is sticked in the first mounting hole 211, the chamfering structure of locating piece 31 in Fine tuning in first mounting hole 211, to adapt to the engaging of the first mounting hole 211, to avoid because the first fixed seat 210 and second is solid Reservation 220 leads to not install rolling rod 100 in fully horizontal position not in complete corresponding position and not.

It please refers to shown in Fig. 5-Fig. 8, the driving mechanism 20 of the present embodiment further includes connector 22, briquetting 23 and ties in a ring The auxiliary member 24 of structure, connector 22 are separately connected the output end and bar body 10 of actuator 21.Briquetting 23 is provided with for the first lock Determine the first lock hole 231 that part 101 passes through, auxiliary member 24 is provided with the second lock hole 241 passed through for locking piece, connector 22 Side far from actuator 21 protrudes out to form interconnecting piece 221, and interconnecting piece 221 runs through the connecting hole for being equipped with and being inserted into for briquetting 23 2211, when auxiliary member 24 passes through interconnecting piece 221 and briquetting 23 is inserted into connecting hole 2211, the first locking piece 101 sequentially passes through the One lock hole 231 and the second lock hole 241, to which briquetting 23 and auxiliary member 24 to be locked on connector 22, actuator 21 is logical It crosses connector 22 to connect with bar body 10 indirectly, converts actuator 21 to radially direction along the driving force of its axial direction Driving force, realize actuator 21 built in bar body 10 and bar body 10 itself driven to roll.Further, bar body 10 is opened Equipped with the third lock hole 12 passed through for the second locking piece (not shown), the second locking piece passes through third lock hole 12 with by bar Ontology 10 is fixed on interconnecting piece 221.Preferably, the second locking piece pass through third lock hole 12 after be directly fixed on briquetting 23, On auxiliary member 24 or connector 22, to realize the synchronized links of bar body 10 and connector 22.

Please refer to shown in Fig. 5, Fig. 6, Fig. 7, Fig. 9 and Figure 10, the detent mechanism 30 of the present embodiment further include positioning seat 32 and First bearing 33, positioning seat 32 are fixed on actuator 21, and the one end of positioning seat 32 far from actuator 21 protrudes out to be formed for positioning 31 fixed positioning region 321 of block；First bearing 33 is sheathed on positioning region 321, and the lateral wall of first bearing 33 compresses host cavity 11 madial wall, to provide the support of rolling in one end of positioning seat 32 for bar body 10, when bar body 10 rolls, bar sheet Body 10 drives first bearing 33 to roll.Preferably, locating piece 31 is in plum-shaped structure as shown in Figure 10, corresponding, the First mounting hole 211 of one fixed seat 210 is also configured as the plum-shaped structure as shown in Figure 12 (a), the positioning of plum-shaped structure When the rotation of block 31 is to any position, the 211 matched clamped position of the first mounting hole with plum-shaped structure can be found, is convenient for It is finely adjusted by plum-shaped structure.Locating piece 31 extends through the 4th lock hole for being provided with and being passed through for third locking piece 102 311 and for actuator 21 the string holes 312 that passes through of cable 211, pass through third locking piece 102 and the 4th lock hole 311, locating piece 31 are fixed on positioning region 321, it is preferred that third locking piece 102 is screw rod, and screw rod is screwed in the 4th lock hole 311, thus will Locating piece 31 is fixed on positioning region 321；The cable 211 of actuator 21 passes through string holes 312 to be exposed to outside rolling rod 100, from And cable 211 is pierced by rolling rod 100, prevent rolling rod 100 from pullling cable in rolling process, and cable 211 it is exposed with Convenient for being powered to actuator 21 and data transmission.

It please refers to shown in Fig. 5, Fig. 6, Fig. 7 and Figure 11, the telescoping mechanism 40 of the present embodiment further includes thimble seat 42 and second Bearing 43, the lateral wall of thimble seat 42 compress the madial wall of host cavity 11, and thimble seat 42 runs through to be equipped with to be stretched grafting for thimble 41 Inserting groove 421, two second bearings 43 are respectively arranged at inserting groove 421 along the both ends of the plugging direction of thimble 41, thimble 41 Snap ring 44 is provided between two second bearings 43, thimble 41 is pressed in snap ring 44 and between the second bearing 43 of actuator 21 Contracting has elastic component 45, which is specially the element with elastic restoring force such as spring, which makes top Needle 41 is permanent, and there is the trend for convexedly stretching in drive rod, the elastic element 45 to provide elastic deformation for the elastic telescopic of thimble 41 and support, To provide elastic force support for the flexible of thimble 41；Second bearing 43 is fixed in inserting groove 421, and thimble 41 passes through the second axis 43 are held, by thimble seat 42 and second bearing 43, when bar body 10 rolls, the drive thimble seat of bar body 10 is axis with thimble 41 The heart rolls, so that thimble seat 42 provides rolling support for bar body 10 in one end of thimble 41.The present embodiment,

Further, as shown in Fig. 7, Fig. 9 and Figure 11, the rolling rod 100 of the present embodiment further includes the in damping structure One roll sleeve 50 and the second roll sleeve 60, the first roll sleeve 50 are sheathed in first bearing 33, and first bearing 33 is supported by the first roll sleeve 50 The madial wall of host cavity 11, the second roll sleeve 60 is pressed to be sheathed on thimble seat 42, thimble seat 42 compresses receiving by the second roll sleeve 60 The madial wall of chamber 11, when bar body 10 rolls, bar body 10 drives first respectively by the first roll sleeve 50 and the second roll sleeve 60 Bearing 33 and thimble seat 42 follow 10 synchronous rolling of bar body.Preferably, the first roll sleeve 50 and the second roll sleeve 60 are with elasticity Garment bag, the side wall of garment bag is provided with the friction lines at concave-convex interval to increase the friction coefficient of the side wall of garment bag, by There is elasticity in the first roll sleeve 50 and the second roll sleeve 60, set the outer diameter of the first roll sleeve 50 and the second roll sleeve 60 to be slightly larger than bar The internal diameter of ontology 10, to fill in bar body 10 first roll sleeve 50 and the second roll sleeve 60 closely to compress in host cavity 11 Side wall, friction lines make the first roll sleeve 50 and the second roll sleeve 60 and the madial wall of bar body 10 be fitted close, work as first bearing 33 and thimble seat 42 when following 10 synchronous rolling of bar body, first bearing 33 and the both ends that thimble seat 42 is bar body 10 are provided with Power supports, and prevents bar body 10 from being deformed upon in rolling process, extends the service life of bar body 10.

In conjunction with shown in Fig. 1-Figure 12, a plurality of tourelles 1000 are arranged in parallel in the advertising lamp box 1 of the utility model, The first fixed seat 210 and the second fixed seat 220 of tourelle 1000 are individually fixed in the storage chamber of advertising lamp box 1, with solid Determine rolling rod 100, painting canvas 2 wraps around on two rolling rods 100 being set in parallel, and synchronous by two rolling rods 100 is rolled It is dynamic, it drives painting canvas 2 to be rolled between two rolling rods 100, the rolling switching of painting canvas 2 is realized, convenient in same advertising lamp box 1 Launch different 2 contents of painting canvas；Tourelle 1000 is provided with bar body 10, driving mechanism 20, detent mechanism 30 and telescopic machine Driving mechanism 20 is integrated in bar body 10 by structure 40, is avoided due to driving mechanism 20 is placed in the storage chamber of advertising lamp box 1 Increase the volume of advertising lamp box 1, or because driving mechanism 20 be placed in advertising lamp box 1 it is outer due to influence beauty and be not easy to driving mechanism 20 Preservation；The locating piece 31 of detent mechanism 30 is avoided far from the chamfered structure in the side of actuator 21 because of the first fixed seat 210 And second fixed seat 220 cause rolling rod 100 that can not install when being not at complete corresponding position, when the first fixed seat 210 and When second fixed seat 220 is not at complete corresponding position, the chamfering structure of locating piece 31 can utilize the radian of chamfering structure in The fine tuning of position is carried out in first mounting hole 211 of the first fixed seat 210 so that locating piece 31 stablize be fastened on the In one fixed seat 210, the installation to complete rolling rod 100 is fixed；Telescoping mechanism 40 is set in the protruding out of being resilient of bar body 10 It is equipped with thimble 41, realizes the Quick Release setting of tourelle 1000, installation rolling rod 100 is avoided and is needed when replacing painting canvas 2 Dismounting to the first fixed seat 210 and/or the second fixed seat 220, install rolling rod 100 when, by thimble 41 be aligned and under be pressed on Second mounting hole 221 of the second fixed seat 220, thimble 41 is pressurized in retraction bar body 10, to vacate certain position by locating piece 31 are caught in the first mounting hole 211 of the first fixed seat 210, by the way that the thimble 41 of elastic telescopic is arranged, reduce rolling rod 100 Installation and replace painting canvas 2 difficulty, realize the Quick Release of rolling rod 100.

Above disclosed is only the preferred embodiments of the utility model, cannot limit the utility model with this certainly Interest field, therefore equivalent variations made according to the claim of the utility model still fall within the model that the utility model is covered It encloses.

Claims (10)

1. a kind of rolling rod, which is characterized in that including：

Bar body, the bar body are in hollow structure, and the hollow structure forms host cavity；

Driving mechanism, the driving mechanism are placed in the host cavity, and the driving mechanism includes actuator, the actuator For output end in the connection bar body rotated, the actuator drives the bar body with the axle center of the bar body for rotation Axis rolls；

Detent mechanism, the detent mechanism are provided with locating piece in one end of the bar body, and the locating piece connects the drive Moving part, the chamfered structure in side of the locating piece far from the actuator；

Telescoping mechanism, the telescoping mechanism are provided with thimble in protruding out of being resilient of the other end of the bar body.

2. rolling rod as described in claim 1, which is characterized in that the driving mechanism further includes connector, the connector It is separately connected the output end of the actuator and the bar body.

3. rolling rod as claimed in claim 2, which is characterized in that the driving mechanism further includes briquetting and structure in a ring Auxiliary member, the briquetting are provided with the first lock hole passed through for the first locking piece, and the auxiliary member is provided with for described first The second lock hole that locking piece passes through, side of the connector far from the actuator protrude out to form interconnecting piece, the connection Portion passes through the interconnecting piece and will be described in briquetting insertion through the connecting hole being inserted into for the briquetting, the auxiliary member is equipped with When connecting hole, first locking piece sequentially passes through first lock hole and second lock hole, first locking piece The briquetting and the auxiliary member are locked on the connector.

4. rolling rod as claimed in claim 3, which is characterized in that the bar body offers passed through for the second locking piece Three lock holes, second locking piece pass through the third lock hole the bar body is fixed on the interconnecting piece.

5. rolling rod as described in claim 1, which is characterized in that the detent mechanism further includes positioning seat and first bearing, The positioning seat is fixed on the actuator, and the one end of the positioning seat far from the actuator protrudes out to be formed for the positioning The fixed positioning region of block；The first bearing is sheathed on the positioning region, and the lateral wall of the first bearing compresses the receipts The madial wall of vessel, when the bar body rolls, the bar body drives the first bearing to roll.

6. rolling rod as claimed in claim 5, which is characterized in that the locating piece is in plum-shaped structure, the locating piece point It is not provided through the string holes that the cable of the 4th lock hole and the confession actuator that are passed through for third locking piece passes through, by institute It states third locking piece and the 4th lock hole, the locating piece is fixed on the positioning region；By the string holes, the line Cable passes through the string holes to be exposed to outside the rolling rod.

7. rolling rod as claimed in claim 5, which is characterized in that the telescoping mechanism further includes thimble seat and second bearing, The lateral wall of the thimble seat compresses the madial wall of the host cavity, and the thimble seat, which runs through, to be equipped with for the flexible grafting of the thimble Inserting groove, two second bearings are respectively arranged at the inserting groove along the both ends of the plugging direction of the thimble, the top Needle is provided with snap ring between two second bearings, and the thimble is in the snap ring and described the second of the close actuator Compression has elastic component between bearing, and the elastic element makes the thimble perseverance have the trend for convexedly stretching in the actuator；Institute It states second bearing to be fixed in the inserting groove, the thimble passes through the second bearing, by the thimble seat and described the Two bearings, when the bar body rolls, the bar body drives the thimble seat to be rolled by axle center of the thimble.

8. rolling rod as claimed in claim 7, which is characterized in that the rolling rod further includes the first roll sleeve in damping structure And second roll sleeve, first roll sleeve are sheathed in the first bearing, the first bearing is compressed by first roll sleeve The madial wall of the host cavity, second roll sleeve are sheathed on the thimble seat, and the thimble seat is by second roll sleeve The madial wall for compressing the host cavity, when the bar body rolls, the bar body is by first roll sleeve and described Two roll sleeves drive the first bearing and the thimble seat to follow the bar body synchronous rolling respectively.

9. a kind of tourelle, which is characterized in that including rolling rod and fixed mechanism, in the rolling rod such as claim 1-8 Described in any one, the fixed mechanism includes the first fixed seat and the second fixed seat, and first fixed seat is towards the positioning Block forms the first mounting hole being fixed for the locating piece, and second fixed seat forms towards the thimble and supplies the top Second mounting hole of needle plugged and fixed.

10. a kind of advertising lamp box, the advertising lamp box forms storage chamber in hollow structure, which is characterized in that including a plurality of use In the tourelle of winding painting canvas, the tourelle is as claimed in claim 9, first fixed seat and second fixation For seat in being relatively fixed in the storage chamber, the rolling rod is removably connected to first fixed seat and described second solid Between reservation；The painting canvas wraps around on two to be set in parallel the rolling rod, by the synchronization of two rolling rods It rolls, the painting canvas rolls between two rolling rods.