CN218668247U - Composite track assembly and electric folding canopy - Google Patents

Abstract

The utility model relates to the technical field of rainshed, in particular to a composite track assembly and an electric folding rainshed, wherein the composite track assembly comprises a composite track, the cross section of a cavity of the composite track is divided into an upper part and a lower part, the upper part is a traction part, and the lower part is a guide part; the conveying mechanism is positioned in the composite track and comprises a synchronous belt component arranged in the composite track and a plurality of pulleys arranged on the synchronous belt component at intervals; the plurality of pulleys are traction pulleys, and each traction pulley comprises a frame body and a plurality of rollers; the traction pulley pads up the synchronous belt at two ends of the composite track. The pulley is simple in structure and can be integrally formed, the traction pulleys with the supporting parts are positioned at the two ends of the composite track to ensure that the synchronous belt cannot sag when the pulley frame realizes conveying of the synchronous belt, and the pulley is simple in structure, convenient to use and install, wide in application range and good in application prospect.

Description

Composite track assembly and electric folding canopy

Technical Field

The utility model relates to a canopy technical field, in particular to compound track assembly and electronic folding canopy.

Background

The rain shed is a building assembly which is arranged above an entrance or a top balcony of a building and is used for keeping off rain, shielding wind and preventing falling objects from smashing and damaging. When the umbrella is unfolded, the umbrella can shield wind and rain, and after being folded, the umbrella is breathable and light-permeable, so that the umbrella has a very wide application range in both families and public places.

The composite track assembly is the key technology that current automatic folding canopy realized folding, opened, and the composite track assembly of current canopy comprises track, coaster and hold-in range, is provided with coaster and hold-in range in the track, and the hold-in range drives the coaster when walking in the track, will drive the curtain motion of canopy, realizes folding and opening of automatic folding canopy then.

The pulley and the synchronous belt are connected by other devices such as a connecting plate, namely the pulley, the synchronous belt and the connecting plate are connected, so that other parts matched with the connecting plate or the similar connecting plate are often manufactured at the same time when the pulley is manufactured, and the manufacturing process is troublesome and high in cost. In addition, because the synchronous belt below is fixed with a plurality of coasters, the coaster can make the hold-in range appear lax phenomenon of droing at the in-process of conveying under the action of gravity, and long-term use can greatly influence the life-span of hold-in range.

SUMMERY OF THE UTILITY MODEL

For solving the not enough of compound track structure existence among the above-mentioned prior art, the utility model provides a compound track assembly and electronic folding canopy. The method is characterized in that: the composite track comprises a composite track, wherein the cross section of a cavity of the composite track is divided into an upper part and a lower part, the upper part is a traction part, and the lower part is a guide part; an avoidance port is arranged between the traction part and the guide part; an accommodating space is arranged above the avoidance opening, and the width of the cross section of the accommodating space is larger than that of the avoidance opening; the conveying mechanism is positioned in the composite track and comprises a synchronous belt component arranged in the composite track and a plurality of pulleys arranged below the synchronous belt component at intervals; the synchronous belt assembly comprises a driving wheel and a driven wheel which are arranged at two ends of the composite track and a synchronous belt matched with the driving wheel and the driven wheel, and the bottom of the synchronous belt penetrates through the accommodating space and the traction part and is wound on the driving wheel and the driven wheel; the plurality of pulleys are traction pulleys, and each traction pulley comprises a frame body and a plurality of rollers; the frame body comprises a first sliding frame, a supporting part and a connecting body, the first sliding frame is connected with the plurality of rollers, and the connecting body is respectively connected with the first sliding frame and the supporting part; the connector penetrates through the avoidance opening, and the width of the bottom of the supporting part is larger than that of the avoidance opening, so that the supporting part is sleeved in the accommodating space; the supporting part is used for supporting the synchronous belt positioned in the accommodating space and is fixedly connected with the synchronous belt.

In one embodiment, the guide part is provided with a guide groove with an opening arranged at the bottom and guide rails positioned at two sides of the guide groove, and the guide rails are used for being in rolling connection with the rollers.

In an embodiment, the plurality of pulleys further comprise a common pulley, the common pulley comprises a second pulley frame and a plurality of rollers, the second pulley frame is detachably connected with the plurality of rollers, the common pulley is arranged in the guide portion, the second pulley frame is detachably connected with the synchronous belt, and the plurality of rollers roll in the guide rail.

In one embodiment, the synchronous belt assembly further comprises a tensioning frame and a bolt assembly in threaded connection with the tensioning frame, wherein the tensioning frame is provided with a back plate and a first cavity and a second cavity which are arranged on two opposite sides of the back plate; the driven wheel is rotatably fixed in the first cavity, and the bolt assembly is in threaded connection with the second cavity so as to adjust the position of the tensioning frame on the composite track through the bolt assembly.

The utility model also provides an electronic folding canopy, its characterized in that: comprises a canopy frame and canopy cloth; the canopy frame comprises two groups of composite track assemblies and a side road beam for connecting the two composite tracks, wherein the two groups of composite track assemblies are as described in any one of the embodiments; the canopy cloth is fixedly connected with the pulley and the side road beam; a plurality of coasters move in compound guide rail and can drive canopy cloth expand and fold in the canopy frame.

In one embodiment, a plurality of middle cross beams are further fixed below the canopy cloth, and two ends of each middle cross beam are respectively and fixedly connected with pulleys which are positioned in the composite track and are symmetrical with each other so as to move synchronously along with the pulleys.

In one embodiment, the awning frame further comprises a transmission structure capable of driving the synchronous belt component to move synchronously, and the transmission structure comprises an octagonal transmission pipe with an octagonal cross section and a driving shaft positioned in the octagonal transmission pipe; the driving shaft is connected with an octagonal block, and the octagonal block can be sleeved and clamped with the inner wall of the octagonal transmission pipe; the middle part of the driving wheel positioned in the composite track is provided with an octagonal hole, and the outer wall of the octagonal transmission pipe is respectively inserted and clamped with the octagonal holes on the driving wheels at two ends; the drive shaft rotates and can drive eight angle transmission pipes to rotate, and then drives the action wheel rotation in the synchronous belt subassembly.

In one embodiment, the device further comprises a support structure hinged with the composite track, wherein the support structure comprises a cross rod and at least two groups of vertical rods arranged below the cross rod; the bottom of the upright stanchion is provided with a fastener which can be fixedly connected with the ground.

In one embodiment, a plurality of middle cross beams are provided with illuminating lamp strips.

In one embodiment, at least two sets of fasteners are provided on the ends of the curb rails or composite rails that are capable of being connected to a building wall.

Based on the foregoing, compared with the prior art, the utility model provides a composite rail assembly, the equal integrated into one piece of coaster simple structure to when the scooter frame realizes the hold-in range conveying, the coaster that pulls that has the supporting part is located composite rail both ends and can guarantees that the hold-in range can not flagging, its simple structure, uses and simple to operate, and application scenario is wider, has good application prospect.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts; in the following description, the drawings are illustrated in a schematic view, and the drawings are not intended to limit the present invention.

FIG. 1 is a cross-sectional view of a composite track;

FIG. 2 is a cross-sectional view of the traction sheave;

FIG. 3 is a cross-sectional view of a conventional pulley

FIG. 4 is a cross-sectional view of the composite track when loading a towing trolley;

FIG. 5 is a cross-sectional view of the composite track when carrying a conventional trolley;

FIG. 6 is a schematic structural view of the tension frame;

FIG. 7 is a schematic view of the assembled tension frame;

fig. 8 is a perspective view of an embodiment of the electric folding canopy of the present invention;

fig. 9 is an exploded view of an embodiment of the electric folding canopy of the present invention;

fig. 10 is a top view of another embodiment of the electric folding canopy of the present invention;

FIG. 11 isbase:Sub>A cross-sectional view A-A of FIG. 10;

fig. 12 is an exploded schematic view of the transmission structure.

Reference numerals:

100 canopy frame 200 transport mechanism 300 canopy cloth

110 composite track 111 traction part 112 guide part

112a guide groove 112b guide rail 210 timing belt assembly

211 driving pulley 212 driven pulley 213 synchronous belt

214 tension bracket 214a first chamber 214b second chamber

220 traction sheave 221 first sheave frame 222 support

223 connecting body 224 avoiding opening 225 accommodating space

230 common pulley 231 and second pulley frame 240 roller

250 drive structure 251 octagonal drive pipe 252 drive shaft

252a octagonal Block 211a octagonal hole 400 intermediate Beam

410 inclined groove 500 fastener 600 support structure

610 cross rod 620 vertical rod 700 lighting lamp strip

800 flashing 113 reinforcing rib 120 side road beam

214c backing plate 215 bolt assembly

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention; the technical features designed in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that all terms (including technical terms and scientific terms) used in the present invention have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs, and cannot be construed as limiting the present invention; it will be further understood that terms used herein should be interpreted as having a meaning that is consistent with their meaning in the context of this specification and the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Referring to fig. 1 to 6, the present invention provides a composite track assembly, which includes a composite track 110, wherein the cross section of the cavity of the composite track 110 is divided into an upper portion and a lower portion, the upper portion is a traction portion 111, and the lower portion is a guide portion 112; an avoidance port 224 is arranged between the traction part 111 and the guide part 112; an accommodating space 225 is arranged above the avoidance port 224, and the width of the cross section of the accommodating space 225 is larger than that of the cross section of the avoidance port 224;

as a preferable scheme, as shown in fig. 1, 3 and 4, the inside of the composite track 110 is divided into a traction part 111 and a guide part 112 by two parallel opposite reinforcing ribs 113, the traction part 111 accommodates a timing belt 213, the guide part 112 accommodates a pulley, and the reinforcing ribs 113 and the composite track 110 are integrally formed; an avoiding opening 224 is formed between the two reinforcing ribs 113, an accommodating space 225 is arranged above the avoiding opening 224, the whole accommodating space is in a shape of a raised bar, but the width of the cross section of the accommodating space 225 is larger than that of the cross section of the avoiding opening 224, and the accommodating space 225 is used for accommodating the synchronous belt 213 so as to play a role in guiding and limiting.

Further, the guide part 112 has a guide groove 112a with an opening opened at the bottom and guide rails 112a located at both sides of the guide groove 112a, the guide rails 112a are used for rolling connection with the plurality of rollers 240, and the guide groove 112a can provide an escape space so that the plurality of trolleys extend downward; the pulley downwardly extending part can be detachably connected with the structure to be transmitted, so that the structure to be transmitted can follow the synchronous belt 213 and the pulley to perform corresponding linear motion.

Preferably, the composite rail 110 is made of a light alloy material, in this embodiment, an aluminum alloy material, but not limited to aluminum;

the conveying mechanism 200 is positioned in the composite track 110, the conveying mechanism 200 comprises a synchronous belt assembly 210 arranged in the composite track 110 and a plurality of pulleys arranged below the synchronous belt assembly 210 at intervals, and the pulleys move in the composite track 110 under the driving of the synchronous belt assembly 210;

the synchronous belt assembly 210 comprises a driving wheel 211 and a driven wheel 212 arranged at two ends of the composite track 110 and a synchronous belt 213 matched with the driving wheel 211 and the driven wheel 212, wherein the bottom of the synchronous belt 213 passes through the accommodating space 225 and the traction part 111 and is wound on the driving wheel 211 and the driven wheel 212;

the synchronous belt assembly 210 is driven by a motor, and meanwhile, a remote controller or an electric connection button or a mobile phone app and other devices are arranged to control the motor to drive the synchronous belt assembly 210 to run, the motor can drive the driving wheel 211 and the driven wheel 212 to rotate forwards and backwards, and then the synchronous belt 213 can move forwards and backwards, so that the synchronous belt 213 drives the pulley to move back and forth in the composite track 110.

The plurality of pulleys are traction pulleys 220, and as shown in fig. 2, the traction pulleys 220 comprise a frame body and a plurality of rollers 240; the frame body comprises a first sliding frame 221, a supporting part 222 and a connecting body 223, wherein the first sliding frame 221 is connected with a plurality of rollers 240, and the connecting body 223 is respectively connected with the first sliding frame 221 and the supporting part 222;

the connecting body 223 is a set of light alloy metal plates, and is preferably welded to the first carriage frame 221 and the supporting portion 222, or may be connected by other connection methods such as a push-pull rail or the like. More preferably, as shown in fig. 2, the first carriage frame 221, the support portion 222, and the connecting body 223 are integrally formed, and may be specifically designed as a sheet metal structure and integrally formed by an aluminum drawing process, so that the cost can be greatly saved. The connector 223 penetrates through the avoiding opening 224, the lower part of the supporting part 222 is tightly attached to the two reinforcing ribs 113, and the width of the bottom part is larger than that of the avoiding opening 224, so that the supporting part 222 is sleeved in the accommodating space 225; the upper portion of the supporting portion 222 has a groove for supporting the synchronous belt 213 located in the accommodating space 225, so that the synchronous belt 213 will not sag under the supporting effect, and the synchronous belt 213 is just clamped in the groove, thereby preventing the synchronous belt 213 from moving left and right in the groove during the moving process. The support portion 222 is fixedly connected to the timing belt 213, and may be connected by various methods such as welding, screwing, and snapping, and is not limited to the above-mentioned connection method.

Preferably, as shown in fig. 4, the first carriage frame 221 moves in the guide portion 112 of the composite track 110, the plurality of rollers 240 roll in the guide rail 112a, and the first carriage frame 221 is rotatably connected to the plurality of rollers 240; the roller 240 may be made of rubber, so that the roller 240 can roll more smoothly in the guide rail 112a, and noise can be effectively reduced. Preferably, the first carriage frame 221 may be provided in a small car shape and is provided with 4 rollers 240, and the specific size of the first carriage frame 221 is determined according to the size and position of the actual guide groove 112a and the timing belt 213, so as to ensure that the installed first carriage frame 221 can move in the guide groove 112a and the rollers 240 can roll in the guide rail 112 a.

The plurality of pulleys further include a common pulley 230, as shown in fig. 3, the common pulley 230 includes a second pulley frame 231 and a plurality of rollers 240, and the second pulley frame 231 is detachably connected to the plurality of rollers 240. As shown in fig. 5, the general trolley 230 is disposed in the guide part 112, the second trolley frame 231 is detachably connected to the timing belt 213, and a plurality of rollers 240 roll in the guide rail 112 a.

The rollers 240 are identical to the rollers 240 of the traction sheave 220 and will not be explained in greater detail here. The second carriage frame 231 may be in the shape of a small cart, or may be in another shape capable of carrying the roller 240, such as a block, but is not limited to the above shape. And the common pulley 230 is detachably connected with the synchronous belt 213, preferably connected by a screw in the embodiment, and the detachable connection facilitates the later repair or replacement of the trolley or the synchronous belt 213.

Wherein, both ends of the composite track 110 must be traction pulleys 220, and other pulleys on the composite track 110 may be traction pulleys 220 or common pulleys 230, which can be placed in mutual match to obtain the best running effect of the composite track 110.

In practical application, coaster upper portion is connected with hold-in range 213, coaster bottom through the screw rod with the carried on in kind is connected, and motor drive hold-in range subassembly 210 moves, and when needs expand the material kind, action wheel 211 corotation drives from driving wheel 212 to make hold-in range 213 drive dolly forward motion, when needs are folding the material kind, action wheel 211 reversal, thereby make hold-in range 213 drive dolly backward motion.

As shown in fig. 11, the timing belt assembly 210 includes a driving pulley 211 and a driven pulley 212 provided at both ends of the composite track 110, and a timing belt 213 engaged with the driving pulley 211 and the driven pulley 212. In addition, the timing belt assembly 210 further includes a tension frame 214 and a bolt assembly 215 threadedly coupled to the tension frame 214, as shown in fig. 6, the tension frame 214 has a back plate 214c and first and second cavities 214a and 214b disposed at opposite sides of the back plate 214 c;

as shown in fig. 7, the driven pulley 212 is rotatably fixed in a first cavity 214a of the tension frame 214, the bolt assembly 215 is screwed into a second cavity 214b, and the position of the tension frame 214 on the composite track 110 is adjusted by the bolt assembly 215, thereby performing the function of fine-tuning the tension of the timing belt 213.

Preferably, the two ends of the composite track 110 are provided with sealing plates, and the sealing plates are provided with fixing plates; when the device is installed, the driving wheel 211 and the tensioning frame 214 are rotatably fixed on the fixing plate, then are installed in the composite track 110, and finally are locked and sealed through the cover plate, so as to play a role in dust prevention and rain prevention.

The utility model also provides an electric folding canopy, which comprises a canopy frame 100 and a canopy cloth 300; the canopy frame 100 includes two sets of composite rails 110 as described in any of the above embodiments and a curb rail 120 for connecting the two composite rails 110; the rainshed cloth 300 is fixedly connected with the pulley and the side road beam 120; the movement of the plurality of trolleys within the composite track 112a can cause the canopy cloth 300 to unfold and fold within the canopy frame 100.

Specifically, the canopy frame 100 includes two composite rails 110 symmetrically disposed at left and right sides and a side road beam 120 connecting the two composite rails 110; preferably, the composite rails 110 and the side rails 120 are made of a lighter aluminum alloy to reduce the overall weight.

The canopy cloth 300 is fixedly connected with the pulley 220 and the side road beam 120; the trolley 220 moves in the composite track 110, and then can drive the canopy cloth 300 to be unfolded and folded in the canopy frame 100. Preferably, a plurality of said pulleys 220 are fixed on the synchronous belt 213 located below at equal intervals, wherein two pulleys at both ends of the composite track 110 must be traction pulleys 220.

In an embodiment, a plurality of middle beams 400 are further fixed below the canopy cloth 300, and both ends of each middle beam 400 are respectively and fixedly connected with pulleys located in the composite track 110 and symmetrical to each other so as to move synchronously along with the pulleys.

A plurality of middle beams 400 are further fixed below the canopy cloth 300, two ends of each middle beam 400 are respectively fixed with the pulleys 220 which are positioned in the composite tracks 110 at two sides and are symmetrical to each other, so that the middle beams 400 are parallel to each other and can move synchronously along with the pulleys 220, and the symmetrical pulleys connected with the middle beams 400 can be traction pulleys 220 or common pulleys 230. Each middle cross beam 400 can play a role in supporting the rainshed cloth 300, and the running of the rainshed cloth 300 is ensured to be smoother.

In addition, two sets of synchronous belt assemblies 210 can be directly designed on the two composite rails 110 in a combined mode, and an aluminum alloy die-casting die for a whole set of synchronous belt wheel set box body is not required to be specially developed, so that the structure is simpler, a large number of components can be effectively saved, and the development cost is saved.

In one embodiment, the canopy frame 100 further comprises a transmission structure 250 capable of driving the synchronous movement of the synchronization belt assembly 210, as shown in fig. 12, the transmission structure 250 comprises an octagonal transmission tube 251 with an octagonal cross section and a driving shaft 252 positioned inside the octagonal transmission tube 251; the driving shaft 252 is connected with an octagonal block 252a, and the octagonal block 252a can be sleeved and clamped with the inner wall of the octagonal transmission pipe 251; the middle part of the driving wheel 211 positioned in the composite track 110 is provided with an octagonal hole 211a, and the outer wall of the octagonal transmission pipe 251 is respectively inserted and clamped with the octagonal holes 211a on the driving wheels 211 at the two ends; the driving shaft 252 rotates to drive the octagonal transmission tube 251 to rotate, and further drives the driving wheel 211 in the synchronous belt assembly 210 to rotate.

Through the design, the two groups of synchronous belt assemblies 210 can realize large-torque transmission, so that smooth transmission operation of the two groups of synchronous belt assemblies 210 is effectively guaranteed.

Preferably, according to the length of the octagon of the octagonal transmission tube 251, each side of the octagon corresponding to the driving wheel 211 can be provided with 4 teeth, and the number of the teeth of the whole driving wheel 211 is 32, so that the synchronous requirement that the rails are not required to be aligned and installed is met. The synchronous belt 213 may be T10 type.

As a preferred scheme, the driving shaft 252 can be driven by a motor, and meanwhile, a remote controller or an electric connection button or a mobile phone app or other devices can be provided to control the motor to drive the driving shaft 252, the octagonal transmission pipe 251 and the driving wheel 211 to rotate forwards and backwards, so that the whole synchronous belt assembly 210 is driven to run, the pulleys 220 on the two sides are guaranteed to move back and forth in the composite track 110, and the canopy cloth 300 is driven to unfold and fold.

Additionally, the utility model provides an electronic folding canopy still can predetermine every after opening and shutting certain number of times, can revise the motor stroke automatically to guarantee the rate of tension of canopy cloth 300 cloth cover, avoid canopy cloth 300 to extend and cause the flagging problem of cloth cover to appear, thereby realize the effect of non-maintaining, not ponding. For example: the automatic correction is performed every 20 times or 30 times.

It should be noted that eight corner drive tube 251, eight corner piece 252a, eight corner holes 211a are the octagonal structure for the cross-section for the atress is balanced in the rotation process, according to this design, the skilled person can also be revised the octagonal structure into other shapes such as quadrangle, pentagon, hexagon, all fall into the utility model discloses a within the scope of protection.

Preferably, threaded holes are formed in the bottom of the sliding frame 221 in an upward penetrating manner, screws penetrate through two ends of the middle cross beam 400 and the canopy cloth 300 and are respectively in threaded connection with the threaded holes in the sliding frame 221 in the two composite rails 110, and nuts are matched for fixing, so that the middle cross beam 400, the canopy cloth 300 and the wheel rail bodies 221 are guaranteed to be stably connected.

In one embodiment, the support structure 600 is hinged to the composite track 110, and the support structure 600 includes a cross bar 610 and at least two sets of vertical bars 620 disposed below the cross bar 610; the bottom of the vertical rod 620 is provided with a fastener 500 which can be fixedly connected with the ground.

Preferably, as shown in fig. 9, the present invention further comprises a supporting structure 600 hinged to the two composite rails 110, wherein the supporting structure 600 comprises a cross bar 610 and at least two groups of vertical bars 620 disposed below the cross bar 610; the bottom of the vertical rod 620 is provided with a fastener 500 which can be fixedly connected with the ground. Wherein, the two ends of the cross bar 610 are provided with connecting pieces, the end part of the composite track 110 corresponding to the cross bar is also provided with connecting pieces, and the two connecting pieces are hinged through a pin shaft. Through the articulated mode not only can make whole canopy application of occasion wider, the flexibility ratio is higher, can also let the certain angle of canopy slope simultaneously to the rainwater that falls on the canopy can flow down in the same direction of slope, can not produce ponding on the canopy top.

Preferably, as shown in fig. 9, a plurality of middle cross beams 400 are provided with a lighting lamp strip 700. The lighting light bar 700 can provide lighting for the rainshed at night or in cloudy days, and other lighting lamps do not need to be additionally installed, so that the practicability of the rainshed is higher.

Preferably, as shown in fig. 9, the bottom of the middle beam 400 is provided with an inclined groove 410 which is obliquely arranged, and the lighting lamp strip 700 is embedded into the inclined groove 410, so that the middle beam 400 has a more beautiful appearance; meanwhile, the screws which can effectively avoid the bottom of the middle cross beam 400 are obliquely arranged to penetrate through and hang the pulley 200, so that the illumination is free of shadows. In addition, the inclined groove 410 can be inclined to the side far away from the building wall, so that the illumination range is larger. Preferably, the angle of inclination may be set between 25 ° and 75 °, for example 45 °.

Preferably, at least two sets of fasteners 500 capable of being connected to the building wall are provided on the ends of the curb girders 120 or the composite rails 110.

It should be noted that the fastening member 500 in the present embodiment may select suitable screw, bolt, screw, pin, rivet, welding nail, etc. according to the actual installation requirement, and is not limited herein.

Preferably, as shown in fig. 8 and 9, a rain shielding plate 800 is laid on the top of the canopy frame 100, and the rain shielding plate 800 can shield the folded canopy cloth 300 to avoid the problems of exposure to wind, dust falling, water accumulation and the like when the canopy cloth 300 is folded and not used. Simultaneously, dash board 800 can also protect the transmission structure 250 that is located the middle part, avoids its ponding, insolate, ash that falls, can effectively improve the life of electronic folding canopy.

To sum up, compare with prior art, the utility model provides a compound track assembly has following advantage:

1. the pulley and the tensioning frame have simple structures, can be integrally formed, save the cost, reduce the production time and have convenient application;

2. the matching of the traction tackle and the common tackle ensures that the composite track has simple structure and lower overall cost when the synchronous belt is well supported.

In addition, it will be appreciated by those skilled in the art that although a number of problems exist in the prior art, each embodiment or aspect of the present invention may be improved only in one or a few aspects, without necessarily simultaneously solving all the technical problems listed in the prior art or in the background. It will be understood by those skilled in the art that nothing in a claim should be taken as a limitation on that claim.

Although terms such as composite track, transmission mechanism, traction portion, guide rail, escape opening, accommodation space, guide groove, tension frame, canopy frame, transport mechanism, canopy cloth, side road beam, timing belt assembly, tackle, driving wheel, driven wheel, timing belt, transmission structure, octagonal transmission tube, driving shaft, octagonal block, octagonal hole, trolley frame, roller, connecting plate, fastener, middle beam, support structure, cross bar, upright bar, light bar, inclined groove, rain shield, reinforcing rib, etc. are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations of the present invention; the terms "first," "second," and the like (if any) in the description and claims of embodiments of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. A composite track assembly, comprising: comprises that

The cross section of a cavity of the composite track is divided into an upper part and a lower part, wherein the upper part is a traction part, and the lower part is a guide part; an avoidance port is arranged between the traction part and the guide part; an accommodating space is arranged above the avoidance opening, and the width of the cross section of the accommodating space is larger than that of the avoidance opening;

the conveying mechanism is positioned in the composite track and comprises a synchronous belt component arranged in the composite track and a plurality of pulleys arranged below the synchronous belt component at intervals;

the synchronous belt assembly comprises a driving wheel and a driven wheel which are arranged at two ends of the composite track and a synchronous belt matched with the driving wheel and the driven wheel, and the bottom of the synchronous belt penetrates through the accommodating space and the traction part and is wound on the driving wheel and the driven wheel; the pulleys are traction pulleys, and each traction pulley comprises a frame body and a plurality of rollers;

the frame body comprises a first sliding frame, a supporting part and a connecting body, the first sliding frame is connected with the plurality of rollers, and the connecting body is respectively connected with the first sliding frame and the supporting part; the connector penetrates through the avoidance port, and the width of the bottom of the supporting part is larger than that of the avoidance port, so that the supporting part is sleeved in the accommodating space; the supporting part is used for supporting the synchronous belt located in the accommodating space and is fixedly connected with the synchronous belt.

2. The composite track assembly of claim 1, wherein: the guide part is provided with a guide groove with an opening formed in the bottom and guide rails positioned on two sides of the guide groove, and the guide rails are in rolling connection with the rollers.

3. The composite track assembly of claim 2, wherein: the plurality of pulleys further comprise a common pulley, the common pulley comprises a second pulley frame and a plurality of idler wheels, the second pulley frame is detachably connected with the idler wheels, the common pulley is arranged in the guide portion, the second pulley frame is detachably connected with the synchronous belt, and the idler wheels roll in the guide rail.

4. The composite track assembly of claim 1, wherein: the synchronous belt assembly further comprises a tensioning frame and a bolt assembly in threaded connection with the tensioning frame, and the tensioning frame is provided with a back plate, a first cavity and a second cavity which are arranged on two opposite sides of the back plate; the driven wheel is rotatably fixed in the first cavity, and the bolt assembly is in threaded connection with the second cavity so as to adjust the position of the tensioning frame on the composite track through the bolt assembly.

5. The utility model provides an electronic folding canopy which characterized in that: comprises a canopy framework and canopy cloth;

the canopy frame comprising two sets of composite track assemblies as claimed in any one of claims 1 to 4 and a curb rail for connecting the two composite tracks;

the canopy cloth is fixedly connected with the pulley and the side road cross beam; the plurality of pulleys can drive the canopy cloth to be unfolded and folded in the canopy frame in the movement of the composite track.

6. The electrically powered folding rainshed of claim 5, wherein: and a plurality of middle cross beams are further fixed below the canopy cloth, and two ends of each middle cross beam are respectively and fixedly connected with the pulleys which are positioned in the composite track and are symmetrical with each other so as to move synchronously along with the pulleys.

7. The electrically powered folding rainshed of claim 5, wherein: the awning frame further comprises a transmission structure capable of driving the two groups of synchronous belt assemblies to move synchronously, and the transmission structure comprises an octagonal transmission pipe with an octagonal cross section and a driving shaft positioned inside the octagonal transmission pipe; the driving shaft is connected with an octagonal block, and the octagonal block can be sleeved and clamped with the inner wall of the octagonal transmission pipe;

the middle part of the driving wheel positioned in the composite track is provided with an octagonal hole, and the outer wall of the octagonal transmission pipe is respectively inserted and clamped with the octagonal holes on the driving wheels at two ends; the drive shaft rotates and can drive eight angle transmission pipes rotate, and then drive in the synchronous belt subassembly the action wheel rotates.

8. The electrically powered folding rainshed of claim 5, wherein: the supporting structure comprises a cross rod and at least two groups of vertical rods arranged below the cross rod; the pole setting bottom is provided with the fastener that can with ground fixed connection.

9. The electrically powered folding rainshed of claim 6, wherein: and a plurality of illuminating lamp strips are arranged on the middle cross beams.

10. The electrically powered folding rainshed of claim 5, wherein: and at least two groups of fasteners capable of being connected with the building wall are arranged at the end parts of the side road cross beams or the composite rails.

Images