CN100531625C - Electric window curtain - Google Patents

Abstract

An electric window curtain is composed of a guide track set, an electric driver for driving at least one movable part of transmission unit in order to control at least one curtain, at least one carriage, a hanger unit, additional pulling carriage fixed to said movable part, and a tripping unit fixed to guide track and with stop block, locating block and pulse electromagnet.

Description

Electrically driven curtain

Technical field:

The invention relates to the improvement of electrically driven curtain.

Background technology:

Known electrically driven curtain has guide rail, Vidacare corp, coaster, erecting by overhang at least.Coaster and erecting by overhang are retrained by guide rail, along guide rail movement, coaster is hung edge, curtain front, erecting by overhang is hung curtain, Vidacare corp is motor acceleration and deceleration device or linear electric motors normally, motor is through decelerator deceleration rear drive transmission device, the kind of drive has a lot, but usually all there is at least one might not be subjected to the guide rail constraint but along the movable part of guide rail movement, movable part can be the nut in feed screw nut's transmission, driving-belt in the belt transmission, moving iron core in the linear electric motors, utilize motor that frictional force or rack-and-pinion move and decelerator etc. on guide rail, can the definition of activities part be: " being subjected to power-actuated movable part " along guide rail movement.Wherein prevailing structure is: motor is by decelerator deceleration rear drive drive pulley, and drive pulley drives driving-belt, and driving-belt is hanged up on drive pulley and pulley gear, and at this moment movable part refers in particular to driving-belt.

The known electrically driven curtain that accounts for market mainstream status at present is a kind of single square tube shape guide rail that has, the flat-belt of middle toothed opening, the electrically driven curtain that self has the square motor of trip count device, there is the inside T-slot of opening the two side of square tube shape guide rail, flat-belt is in groove, drive pulley and pulley gear are respectively at the two ends of guide rail, and coaster and driving-belt are fixed.

Known movable part and curtain are directly or indirectly fixing, random automatic clutch, this reason has caused a cover decelerator and transmission device can only drive a width of cloth or two width of cloth curtain, and two width of cloth curtain can not independently open and close, if can only adopt many covering devices when needing several curtain that independently open and close, increase cost.

Summary of the invention:

The objective of the invention is: provide a kind of and only drive the electrically driven curtain that several curtain independently open and close with cover decelerator and a transmission device, simultaneously good integrity will be arranged, simple in structure, easy for installation, control is little, can be used for straight and the characteristics arc door and window.

The present invention has guide rail, Vidacare corp, coaster, erecting by overhang, coaster and erecting by overhang are retrained by guide rail, along guide rail movement, coaster is hung edge, curtain front, erecting by overhang is hung curtain, on the Vidacare corp drive transmission at least one is along the movable part of guide rail movement, with the main difference point of prior art be: have tractor, tractor is retrained by guide rail, and tractor and movable part are fixed, and on coaster or the tractor removable pin is arranged, tractor is connected with coaster by removable pin, has trip gear.

The effect of trip gear is that removable pin is withdrawed from from the position that connects coaster and tractor, trip gear is fixed on guide rail or the ceiling, active block stop is arranged on the trip gear, stretch out state at active block stop, when coaster or tractor by the time active block stop compressing rotary type removable pin its head is lifted or ejects the Direct Action Type removable pin and make tractor and coaster dropout by the inclined-plane, at active block stop indentation state, allow tractor and coaster to pass through.

The device that has the active block stop that suitable shape can stretching motion on the principle all can be used as trip gear, and active block stop can be straight moving also can rotating, and each has pluses and minuses.It is little that the rotary type active block stop has an action force, advantage of simple structure can be single armed or double-arm lever form, and shaft axis is parallel with horizontal plane or vertically all can, the rotary type active block stop of the single-arm lever form of pawl type is better, and shortcoming is the branch about parts have.Direct Action Type active block stop action force is big slightly, and advantage is a branch about parts do not have and more durable.

Trip gear adopts that to make the form of releasing device of actuator with electromagnet the easiest.The power that utilizes movable part to transmit, the collision block on coaster or the tractor pushes up the active block stop on the trip gear to latched position, inserts active block stop at this position armature and stops active block stop to reset releasing activity block behind the electromagnetic actuation under spring action.The benefit that adopts releasing device is that electromagnet only needs the moment energising, can adopt impulse mgnet, and this releasing device is applicable to the straight active block stop that moves or rotate.Latched position is that the position of active block stop indentation is reasonable mode when promptly permitting the position that coaster passes through, and control is very little, and bearing capacity is bigger.

Electromagnet can be that the tubular type electromagnet also can be a bat formula electromagnet, adopt the tubular type electromagnet the most convenient, external polar plate is that yoke is rectangular box-like, a face of frame is fitted and is fixed on the support, the electromagnet armature axis is parallel with the axis of rotary type active block stop, and armature inserts rotary type block head.When block was Direct Action Type, the electromagnet armature axis was vertical with the rail axis of block.

The locating hole or the locating piece that cooperatively interact are arranged on tractor or the coaster, both are accurately located, locating piece is fixed on the tractor, locating hole is relatively good on coaster, locating hole is not necessarily totally enclosed, can be the groove shape of opening, rectangle locating hole or locating piece be more convenient, are arranged on the below of guide rail.

When guide rail has arc, about locating piece (312) is divided into two, each locating piece is connected with the pedestal of tractor by pivot pin or is fixed on the tractor pedestal page or leaf sheet of hinge form, and hinge page or leaf sheet connects by pivot pin, makes the locating piece (312) can horizontal hunting.

The effect of collision block is that the active block stop on the trip gear is pushed up to latched position, collision block preferably is fixed on the tractor, collision block can be the rectangular plastic piece but preferably have the form of roller on troffer, the opening part of groove closes with cap seal, in order to avoid being installed not at that time, block falls into, when adopting vinyl cover, there is buckle to insert cell wall on the vinyl cover.

Tractor drives the coaster motion by moving removable pin that rotate or straight, the structure of Direct Action Type removable pin is the roller that projection is arranged on the pin, block on the trip gear enters or breaks away from the Direct Action Type removable pin from the direction vertical with Direct Action Type removable pin axis, and the roller that relies on the inclined-plane to push projection is extracted removable pin.The Direct Action Type removable pin is arranged on the coaster, and pin-and-hole can be arranged on the face vertical with horizontal plane, also can be arranged on the face parallel with horizontal plane, is arranged on the face vertical with horizontal plane of coaster location hole wall better, and axis is parallel with horizontal plane.To have simultaneously perpendicular to horizontal plane with perpendicular to the inclined-plane of vertical plane with block on the matching used trip gear of Direct Action Type removable pin.

It is little that the rotary type removable pin has an action force, advantage of simple structure, the rotary type removable pin can be that gib head ratchet form also can be a straight peen ratchet form, block compressing rotary type removable pin on the trip gear lifts its head, tractor and coaster are threaded off, the axle of rotary type removable pin can be arranged on the coaster and also can be arranged on the tractor, be preferably disposed on outside the hole wall of rectangle locating hole on the coaster, all can be arranged on the horizontal plane of hole wall or the vertical face, it is comparatively convenient to be arranged on the vertical plane of hole wall.The axle horizontal of rotary type removable pin or vertically all can, vertical axis is better.

The rotary type removable pin is the curved arm lever form preferably, when being easy to act as most rotary type removable pin head and lifting fully, the face that lever contacts with block is vertical with the hole wall of locating hole, the height that lifts for the restriction gib head prevents that the rotary type removable pin from slipping over from active block stop, there is gib head one arm that short position limit arm is arranged in the other direction, when cooperating with the rotary type block, the head that rotates the pawl type removable pin is opposite with the direction of the head indication of matching used rotation pawl type block, the interior edged surface of the rotary type removable pin of curved arm lever form and the direction that to the moment of rotary type block generation rotary type block steering head is stretched out with the power of the contact point of rotary type block head.

Can adopt following combination: rotary type removable pin head is the curved arm lever form of gib head ratchet style, be arranged on the hole wall outside that the rectangle locating hole is vertical on the coaster, axis is vertical with horizontal plane, locating piece, collision block are on tractor, collision block and locating piece be the two sides of the fixed head on tractor respectively, it is external that the head of removable pin leans out the basis of coaster pedestal, and ratchet hooked tractor pedestal or locating piece or collision block when tractor combined with coaster.

The rotary type removable pin preferably has troffer, and removable pin is in groove, and axle is fixed on the two side of groove, and the bottom surface of groove or side are fixed on the vertical plane of location hole wall on the coaster, respectively respective axes level or vertical.

The rotary type removable pin is straight peen ratchet form when being arranged on the tractor, two correct placements of rotary type removable pin, and locating hole is on tractor, and locating piece is fixed on the coaster, and ratchet withstood locating piece when tractor combined with coaster, and collision block is fixed on coaster.

Guide rail can be tubular guide rail, common tubular guide rail, " king " font or " worker " font guide rail that there is T-slot the side.T-slot is arranged at the top of guide rail, T-slot is also arranged on the guide rail fixer upper plate, have movable tenon to cooperate with both T-slots respectively, the ligand that cooperates with T-slot on the guide rail arranged on the parts such as trip gear, decelerator, pulley gear, with the T-slot on the guide rail as reference for installation.The side has the outside tubular guide rail of the opening of T-slot and T-slot comparatively convenient.

There is the flat band of perforation comparatively convenient in the middle of driving-belt adopts, also can adopts synchronous cog belt or steel wire rope.

Guide rail can be single track, double track or multiple, horizontal relative position according to guide rail and drive pulley and driving-belt, single track and double track all can also can be in two driving-belts outsides in the middle of two driving-belts, vertically opposite position according to guide rail and drive pulley and driving-belt, the bottom surface of single track or double track can also can be in the par height with drive pulley and driving-belt on drive pulley.

Guide rail is on decelerator the time, and the driving-belt fixed block can be simultaneously as locating piece, and this moment, driving-belt passed the hole that cooperates with locating piece.

During multiple, a plurality of guide rails are together in parallel, the tractor of setting up connecting plate in addition and will have the no driving-belt driving on tractor that driving-belt drives and the guide rail in parallel is connected and gets final product, connecting plate is dull and stereotyped shift fork form, be fixed therein on the bottom surface of a tractor, the pin that cooperates is with it arranged on another tractor.Can many tracks parallel connections step by step.

The pedestal of the tractor that cooperates with the tubular type guide rail, the middle part is tabular, the fluting below the tubular type guide rail is passed at tabular middle part, the part of pedestal in pipe has the supporting of guide roller, the part of pedestal outside pipe is equipped with collision block and locating piece, and driving-belt has the driving-belt fixed head outside guide rail the time on the tractor pedestal, the driving-belt fixed head can be an one with pedestal, also can fixedly get in addition.When the tractor pedestal was made with integral forming methods such as die casting, injection mouldings, the driving-belt fixed head was screwed up in addition.

Tractor pedestal or coaster pedestal also can be made with metallic plate pressing and bending and welding method, this moment, coaster pedestal or the part of tractor pedestal in tubular guide rail were that the face-to-face superimposed spot welding of metallic plate forms, superimposed part is by the groove of tubular guide rail bottom surface, and the superimposed face-to-face partial fixing of metallic plate outside pipe has locating piece or surround hole or the groove that cooperates with locating piece.Concerning tractor, superimposed metallic plate is a two boards face-to-face usually, and wherein one is dark trough plate, and the part of dark trough plate outside pipe is as the driving-belt fixed head, and this dark trough plate also can combine.The coaster pedestal of " king " font guide rail or traction vehicle frame are the clamping plate forms, and guide rail is clipped in the middle of the two boards.Can locating piece be arranged between two bottom lands or form the rectangle locating hole by a dark channel and nestable formation of shallow channel.

Tractor or coaster by roller guiding, can have single group or organize vertical axes roller and trunnion axis roller more in the tubular guide rail pipe in the tubular guide rail pipe, should be in conjunction with the needs quantification, and tractor leads with can having preferably after coaster combines usually.The bearing of the axle of pipe internal trolley can stamp out on body with process for stamping, also can make with the method for welding or casting, the bearing of the axle of trunnion axis roller can be behind belling on the body punching or piercing and flanging form, belling can be pressed into flute profile, also can be pressed into circular or square projection in each axis hole place, the bearing of vertical axes roller preferably adopts the plate upper process that the scheme of rectangle frame is arranged.The bearing of the vertical axes roller of other modes can be that upper bracket is formed by the metallic plate edge bending of forming the tractor pedestal and otch bending, undersetting forms in the bending of body upper cut, can also adopt to extrude the semiaxis hole on the plane of plate, two boards is clamped the method for vertical axes.Roller can adopt the scheme with tubular guide rail pipe insied width or highly roughly the same diameter, as shown in Fig. 5, Figure 24, also can adopt two minor diameter rollers of symmetrical distribution to replace roller with tubular guide rail pipe insied width or highly roughly the same diameter, the method that can also inlay ball for coaster above the retainer made of plastic.Guarantee has two pairs of major diameter rollers to play main guide effect on each direction when coaster and tractor combine as far as possible.Definition: the diameter of roller and the width of guide rail or be called " major diameter roller " when highly roughly the same, the diameter of roller only for the width of guide rail or highly half or be called " minor diameter roller " when following.

When cooperating with tubular guide rail, the distribution of the major diameter roller on the tractor can be one group of trunnion axis roller of two groups of vertical axes roller clips, also can be one group of vertical axes roller of two groups of trunnion axis roller clips.Behind auxiliary two groups of minor diameter rollers better guiding can be arranged, and make tractor unlikely long.

Can there be the minor diameter roller on the close limit of tractor and coaster, and also there is the minor diameter roller coaster front portion, and the minor diameter roller when tractor combines with coaster is overlapping up and down.

When guide rail had arc, for further improving guiding, the axle middle part of trunnion axis roller had parallel plane up and down, and the axle of trunnion axis roller can level be floated.Two rollers of trunnion axis roller are symmetrically distributed in the both sides of pedestal plate, and the middle part overstriking of axle has parallel plane up and down, and middle part the right and left radially of axle can be that straight flange also can be the circular arc limit.Can there be vertical hole at the middle part of axle when guide rail is flat square tube, becomes cross axle behind the insertion axle.

The supporting base of tractor or the coaster vertical axes roller in the tubular guide rail pipe is preferably rectangular box-like, and directly injection moulding or die casting go out, and also can be welded on the pedestal in addition.The rectangle frame of welding can be the limit formation that folds on a channel and the pedestal, and the bottom surface that is to say rectangle frame is the limit that folds on the pedestal, also can be that the right and left of groove folds the limit and rectangle frame spot welding forms on the pedestal.This have the vertical axes roller and be particularly suitable for adopting integrally formed method manufacturings such as die casting or injection moulding at the tractor or the coaster of shaped as frame bearing inner structure.

For shortening the length of tractor in guide rail, tractor can have the lengthening guide plate outside guide rail, and the lengthening guide plate can adopt latch plate.There is the vertical axes roller at the two ends of plate when cooperating with the tubular type guide rail, also the trunnion axis roller can be arranged simultaneously, and roller is also arranged in the pipe, rely on inside and outside two faces guiding of tubular guide rail sidewall.When cooperating with " king " font guide rail, the two ends of plate have vertical axes roller and trunnion axis roller simultaneously.

There is several different methods that movable part is fixed on the tractor, can directly or indirectly fixes.When movable part was driving-belt, there was the end fixed head at the driving-belt both ends, and end fixed head and driving-belt are fixed or linked together.The shape of end fixed head is decided on the form of driving-belt, the end fixed head that has the flat-belt of perforation to be used with the centre is the structure that is raised with tooth on substrate, substrate can be the spring sheet, also can be several chain sheets that pin connects of saving, the projection tooth can with the substrate one, also can inlay fixedly, on the tooth of projection back draught is arranged, the microcephaly is towards substrate, screw or double-screw bolt are arranged above, be fixed on the substrate with screw or nut, several perforations of the end of driving-belt are trimmed to the shape that cooperates with the tooth of projection, rely on the back draught of raised tooth that driving-belt is pressed onto on the substrate.The end fixed head that cooperates with the flat-belt of toothed opening also can be the toothed plate that is injection molded into.The end fixed head that cooperates with synchronous cog belt is that plate that an one side has tooth to cooperate with tooth on the synchronous cog belt inserts the form in the rectangular tube, one end of end fixed head has projection to be blocked by the end face of rectangular tube, perhaps blocked by ratchet or screw, rectangular tube can be a light-wall pipe.Rectangular tube directly or indirectly is fixed on the driving-belt fixed head.

For the convenient degree of tightness of adjusting driving-belt is provided with fixed block, fixed block can replace aforementioned rectangular tube, fixed block has rectangular opening or T-slot, fixed block and driving-belt fixed head are fixed together, fixed block can be fixed together by support and driving-belt fixed head, also can directly be fixed on the driving-belt fixed head, fixed block, support, locating piece can be merged into a unitary member, can make thin-wall part with injection moulding, pressure casting method, the part of traction vehicle frame outside the guide rail pipe is screwed together with integrated thin-wall part.

When fixed block is arranged, in the hole with matching, can adjust the driving-belt degree of tightness on the end fixed head insertion fixed block with the mode what insert.The gib head ratchet is arranged on the fixed block, and the end fixed head simultaneously has tooth to cooperate with tooth or hole on the driving-belt, and another side has ratchet, and the ratchet ratchet cooperates can not withdraw from the end fixed head.Also can make projection on the fixed head of end, double-screw bolt passes lug boss, holds the both ends fixed head.

The T-slot shape can be made in the hole of fixed block, and the opening of T-slot is towards guide rail, and the end fixed head simultaneously has tooth to cooperate with the flat-belt of toothed opening, and another side has the T body to insert T-slot.

The end fixed head also can directly be screwed on driving-belt fixed head on the tractor pedestal or lengthening guide plate.

When driving-belt is in the guide rail pipe, can be used on the fixed head of end and make raised plate, raised plate is inserted the interior method of rectangular box-like supporting base of vertical axes roller and is fixed.

The tractor that is used for arc-shaped guide rail can have hinge on the fixed head of end, and hinge is connected on the driving-belt fixed head of tractor.

Can be with " on the fixed head of end, being screwed the plate or the post of projection; the plate of end fixed head and projection or post are clamped the driving-belt fixed head of tractor outside pipe; adjust plate or post that screw rod passes projection; the plate or the limit of projection are arranged on the driving-belt fixed head, and screw rod firmly can not axial float by the plate of projection or side bumper." structural adjustment driving-belt degree of tightness.Two end fixed heads about perhaps holding with the screw rod that revolves screw thread about having, there is the outside T type groove of opening the side that described these two kinds of structures are particularly suitable for guide rail, the situation of driving-belt in T type groove the time.

A plurality of driving-belt carriages can be arranged, the driving-belt carrying roller is arranged above, the pulley that has flange of the vertical axes of driving-belt guiding usefulness is wherein preferably arranged on the carriage before decelerator and the pulley gear, be convenient to adapt to two different guide rail spacings, the ledge of carriage can stop coaster.

Erecting by overhang is made up of turning rolls, roller shaft, roller, suspension hook at least, there are two holes of symmetry the bottom of turning rolls or are with the collar, hole with the axis symmetry is arranged on the lug of the collar, be installed with connector in the hole, connector can be pin or draw ring or rope, the approaching one side of coaster and erecting by overhang is that the back of coaster pedestal has anterior extended projection, the bottom of projection is porose, be installed with connector in the hole, both connect by chain link or rope, under the hole several millimeters with indentation number outside to inside millimeter, do not have the material of coaster body, the space that holds chain link or rope is arranged.Connect by chain link or rope between each erecting by overhang.Several the most handy polyurethane elastomeric material in the turning rolls is made, can damping.

Decelerator can adopt the decelerator of common fixed shaft gear train also can adopt planetary reduction gear, and the reducer shell of common fixed shaft gear train is made up of upper, middle and lower three parts at least, and the metal link plate is arranged at housing top, and metal link plate both sides have the T body to cooperate with the T-slot of guide rail.Drive pulley and the last grade of decelerator gear be one or fixing all-in-one-piece, there are axle and bearing in the inside, decelerator is the transmission of level Four fixed axis gear, the doubly-linked gear that doubly-linked gear that first order gear wheel and second level pinion are formed and third level gear wheel and fourth stage pinion are formed is coaxial, and there is gripper shoe the centre.

During double track, can be provided with control or uncontrolled trip gear at the middle part of guide rail, coaster stops its dropout when walking to the guide rail middle part, tractor draws another width of cloth curtain to join at the middle part from the other end of guide rail, be fit to the pattern that curtain separates to both sides, the staggered ladder sensation that can avoid two curtain on the guide rail to cause.

The control circuit of electrically driven curtain can adopt the control of common relay and travel switch also can control as current at present employing microprocessor.Microprocessor is controlled convenient and is convenient to remote control.On the motor reel or intermediate drive gear or drive pulley installing pulse code dish on any, the signal that coding disk sends is received output signal input microprocessor after the shaping by light or magnetic receiver, can obtain the position signalling of each curtain in conjunction with the signal of limit switch, the output signal control motor rotating and the rotating speed of microprocessor, whether the energising of each electromagnet in addition.Electromagnet adopts impulse mgnet, adopts the power supply of big capacitor discharge form to make the power supply of electromagnet, and security is secure.

The invention effect:

Adopt electrically driven curtain of the present invention, only several curtain have been driven and each curtain all can independently open and close with a cover transmission device, releasing device and latched position that trip gear has adopted electromagnet to make actuator are the positions that allows coaster to pass through, required control is very little and simple in structure, good integrity, therefore each parts all has accurate in locating, installs, control is all very convenient, can also be used for arc-shaped guide rail.

Description of drawings:

Fig. 1 is the axonometric three-dimensional view by the double track example of the present invention's design,

Fig. 2 is the upturned axonometric three-dimensional view of Fig. 1 example,

Fig. 3 is the trip gear example of band vertical axis rotary type block

Fig. 4 is the stereogram of the coaster example of band vertical axis rotary type removable pin,

Fig. 5 is the stereogram of the tractor of band lengthening guide plate,

Fig. 6 is the stereogram that has the driving-belt carriage of driving-belt guiding slip teeth wheel,

Fig. 7 is the stereogram of driving-belt carriage,

Fig. 8 is the stereogram after decelerator removes middle casing,

Fig. 9 is the stereogram of erecting by overhang,

Figure 10 is that the bottom of turning rolls has two holes of symmetry and do not establish the stereogram of collar situation bottom roller frame,

Figure 11 is coaster, tractor, the trip gear cutaway view along the horizontal center line of removable pin together the time,

Figure 12 to Figure 16 is the cross-sectional view that 5 kinds of tops have the guide rail of T-slot,

Figure 17 is that fixed block, support, locating piece are merged into a stereogram behind the moulding,

Figure 18 is the stereogram of the trip gear example of band Direct Action Type block,

Figure 19 is the stereogram of the trip gear of band trunnion axis rotary type active block stop,

Figure 20 is the stereogram of the coaster of band horizontal axis rotary type removable pin,

Figure 21 is the stereogram of coaster of the Direct Action Type removable pin of band horizontal axis,

Figure 22 is the vertical view of Direct Action Type removable pin

Figure 23 is the tractor that is combined together with king's font guide rail and the stereogram of coaster,

Figure 24 be by the present invention design can be with the matching used hinged tractor of tubular type guide rail straight or arc and combination of pulley stereogram together the time,

Figure 25 be the welding pedestal can with the stereogram of the matching used tractor of tubular type guide rail straight or arc,

Figure 26 be the coaster that cooperates with arc-shaped guide rail, tractor, trip gear together the time along the horizontal center line below of removable pin the cutaway view after 2 millimeters horizontal plane dissects,

Figure 27 is the stereogram of the coaster example of the welding pedestal that can cooperate with arc-shaped guide rail,

Figure 28 is the stereogram that the trunnion axis roller set of floating axle is arranged,

Figure 29 has the tractor of an injection moulding pedestal and coaster stereogram together the time,

Figure 30 is the stereogram of the tractor pedestal of injection moulding or die casting,

Figure 31 is the stereogram of the coaster pedestal of injection moulding or die casting.

1. coaster, 2. trip gear, 3. tractor, 4. guide rail fixer, 5. guide rail, 6. erecting by overhang, 7. decelerator, 8. driving-belt guide carriage, 9. both driving-belt of movable part, 10. pulley gear,

100. removable pin, 101. torsion springs, 102. holes, 103. flat boards, 104. trough plates, 105. troffers, 106. retainers, 107. big rollers, 108. rivets, 109. extension plates, 110. rollers, 111. suspension hooks,

201. active block stop, 202. back-moving springs, 203. supports, the axle of 204. blocks, 205 fixing feet, 206. electromagnet, 207. backing plates

300. dark trough plate, 301. cover plates, 302. flat boards or dihedral plate, 303. for the hole that removable pin catches on, 304. collision blocks, 305. vertical axes rollers, 306. the trunnion axis roller, 307. rollers, 308. lengthening guide plates, 309. support, 310. fixed blocks, 311. end fixed heads, 312. locating piece, 313. permanent magnet, 314. gib head ratchets

601. roller shaft, 602. rollers, 603. turning rolls, 604. connectors, 605. collars, 606. chain links or 607. suspension hooks of restricting, 608. double hook shape suspension members,

701. the installation link plate, 702. catch, 703. grooves, 704. drive pulleys, 705. the last grade of decelerator gears, 706. gripper shoes,

801. substrate, 802. carrying roller fixed frames, 803. limit switches, 804. carrying rollers,

151. the angle bar sheet, 203. supports, the axle of 204. blocks, 202. back-moving springs, 155. screws, 206. electromagnet, 157. head rail, 201. active block stops,

The specific embodiment:

It is following that the present invention is described in detail with reference to accompanying drawing and example,

The embodiment of single track is the simplest, indiscriminately imitate and adopt present the most popular two side that the electrically driven curtain of the square tube guide rail structure of T-slot is arranged, set up tractor as previously mentioned, the position replacement that is about to original coaster is tractor, the flat-belt of tractor and toothed opening is fixed, coaster replacement is the coaster of aforementioned band removable pin, fixing trip gear on guide rail, and detailed structure can be with reference to the embodiment of aftermentioned double track.

Referring to Fig. 1, Fig. 2, Fig. 1 is that Fig. 2 is the upturned axonometric three-dimensional view of Fig. 1 example, can find out integral structure layout of the present invention among the figure by the axonometric three-dimensional view of the double track embodiment of the present invention's design.

Decelerator 7 and the two ends of pulley gear 10 at two guide rails 5, the both sides of two tubular guide rails 5 of same parts have been installed above at decelerator and pulley gear, driving-belt 9 is stretched between decelerator and the pulley gear, coaster 1, erecting by overhang 6, tractor 3 are at guide rail constraint lower edge guide rail movement, driving-belt guide carriage 8 is in the place ahead of decelerator, a plurality of driving-belt carriages also can be set as required, and trip gear 2 is fixed on the guide rail, and a plurality of guide rail fixers 4 are arranged on the guide rail.Following sub-unit describes in detail.

Figure 12 to Figure 16 is 5 kinds of sectional drawings by the guide rail example of the present invention's design, referring to Figure 12, the guide rail section is the open tubular of rectangle substantially, T-slot is arranged above the pipe, there is open slot at the following center of pipe, the left-right symmetry structure, the bottom surface of the pipe on open slot both sides is circular-arc, the roller of Pei Heing also is an arc wheel with it, (also can be flat square tube), have ligand to insert T-slot on the guide rail on guide rail fixer 4, trip gear 2, decelerator 7, pulley gear 10, the driving-belt carriage 8, with T-slot as reference for installation.Guide rail fixer 4 is made up of upper plate and movable tenon, upper plate is the T-slot shape, groove bottom has the Long Circle fixing hole, upper plate is fixed on the ceiling, movable tenon respectively with guide rail on T-slot and the T-slot on the guide rail fixer upper plate cooperate, insert T-slot on the upper plate along the T-slot on the guide rail during installation, other has established spring clip and has been used to prevent that movable tenon from deviating from, and disposes a plurality of such guide rail fixers according to rail length.This guide rail fixing means has simple in structure, and assembling and disassembling is characteristics very easily all.Owing to T-slot is arranged as reference for installation, make each parts that accurate positioning, convenience are installed, the globality of whole device obtains bigger raising.

Guide rail can also adopt the section configuration shown in Figure 13,15,16, section configuration shown in Figure 13 and known two cornices have the rhs-structure of the inside T-slot of opening basic identical, do not exist together is that the top also has T-slot, an only side shown in Figure 15 has T-slot and the T-slot opening is outside, be applicable to double track or single track form, both sides shown in Figure 16 have T-slot and the T-slot opening is outside, are applicable to the single track form, inside good of the outside stressed ratio open of form of T-slot opening.Matching used driving-belt is the flat-belt or the steel wire rope of middle toothed opening preferably, and the advantage of this form guide rail is embowment to use.

Referring to Fig. 3, Fig. 3 is and coaster or the matching used trip gear example of tractor of being with vertical axis rotary type removable pin.The support 203 of trip gear is the metallic plate of the meander-shaped that forms of bending in the other direction again after dihedral plate or the dull and stereotyped bending, the ligand that matches with T-slot on the guide rail is arranged on the plate of upper horizontal, ligand can be used in the method for belling and otch punching press on the body and make and also can burn-on in addition or method that screw fixedly gets on is made, on the plate of ligand or level set screw hole is arranged, on the middle vertical plate with behind the otch outwards the method for bending make the upper shaft hole bearing of rotary type active block stop 201, the external polar plate of tubular type electromagnet 206 is rectangular box-like, vertical plate laminating points are welded together or tighten together with screw in the middle of face of frame and the support 203, the bottom surface of frame and the level board of support bottom be spaced apart to become flute profile, the single-arm lever form head of vertical axes is that the pawl type active block stop 201 of ratchet style is in the groove that forms, head exposes outside the groove, electromagnet armature stretches out from the bottom surface of shaped as frame external polar plate, insert in the hole of rotary type active block stop 201 heads, stop that the rotary type active block stop resets under the effect of back-moving spring 202, back-moving spring is enclosed within on the axle 204 of rotary type active block stop, one arm of spring withstands on the support, another arm is pressed on the active block stop, magnet spool is put into from the opening part of shaped as frame external polar plate, fixed core, spring, moving iron core is put into from the bottom surface of shaped as frame external polar plate, is about to moving iron core behind the rotary type active block stop of packing into and is enclosed in the coil pipe.Can there be flange up or down in the hole that cooperates with moving iron core on the bottom surface of shaped as frame external polar plate, fills up the space that flange causes with backing plate 207, adds iron chair during no flange.Preferably the shaped as frame external polar plate of electromagnet 206 is welded into the two boards combined spot, and is spot-welded together in aggregates with support 203 again, connects without screw.The fixing feet 205 that has bending to go out on shaped as frame external polar plate top.

Figure 19 is the stereogram of trunnion axis rotary type trip gear, the support 203 of trip gear is a dihedral, the ligand that cooperates with T-slot on the guide rail 5 is arranged on the plate of top level, the vertical outer edged surface laminating points of the bottom surface of the shaped as frame external polar plate of electromagnet 206 and support 203 is welded together, ratchet form rotary type active block stop 201 is single-arm lever shapes, section is a rectangle, there is groove shape cavity at the middle part, the depression that head has the power supply armature of electromagnet to insert, there is projection in the bottom of head, lug boss has simultaneously perpendicular to horizontal plane with perpendicular to the inclined-plane of vertical plane, and the rotary type active block stop is arranged on the interior angle side of angular support frame, face and support vertically in edged surface fit, the head rail 157 of meander-like section is fixed on support one end, make an end grooving shape of support 203, as the guide rail of active block stop head, the rear portion of support is welded with angle bar sheet 151, the axis hole that active block stop is arranged above, vertical plane and angle bar sheet that axle 204 passes support, torsionspring 202 are enclosed within on the axle 204, the position support vertically outside edged surface one side.Be fixed with screw 155 on the block, screw passes the slotted hole on the support, and the screw ammunition feed spring application of force also plays position-limiting action.The trip gear of this structure is applicable to that the Direct Action Type removable pin of horizontal axis also is applicable to the rotary type removable pin of level or vertical axis.

Figure 18 is and coaster or the matching used Direct Action Type trip gear of the tractor example of being with the rotary type removable pin.Referring to Figure 18, the support of trip gear is the metallic plate of meander-shaped, the ligand that matches with T-slot on the guide rail 5 is arranged on the plate of upper horizontal, be fixed with the block guide rail of flute profile below the plate of lower horizontal, the block guide rail can be screwed then with plastic injection-moulded one-tenth, it is fixing with welding also can to make the T-slot shape with iron plate, and the raised or sunken of spacing usefulness arranged on the block guide rail or on the plate of fixed guide.In this example, the Direct Action Type block is trapezoidal frame shape, one of contacting with collision block of frame has the inclined-plane, spring base is in the frame of block, can be injected into one with the block guide rail or be screwed in addition on the block guide rail or below the support on the plate of level, as the projection of spacing usefulness, helical spring promotes the Direct Action Type active block stop and stretches out forward, and position-limiting action is played in the back of frame.Below the support level board above have and the essentially identical electromagnet of aforementioned electromagnetic iron, the external polar plate of electromagnet is rectangular box-like, the vertical plate of frame and support and following level board are spot-welded together.

Fig. 5 be by the present invention design with the matching used stereogram of tubular type guide rail with tractor of welding pedestal, referring to Fig. 5, tractor left-right symmetry structure, the tractor pedestal is welded to form by two above metallic stamping pieces, wherein a plate 300 is deep trouth shape, two walls of groove are respectively in the pipe of tubular guide rail and outside the pipe, another piece plate 302 is dihedral plates, the interior edged surface of dihedral plate stretches into the interior wall applying spot welding of pipe with dark trough plate, the outer bottom of dark trough plate and the inner bottom surface of dihedral plate be the grooving shape from a distance, locating piece 312 is in groove, be located at the below of guide rail, the part that the spot welding fitting part is stretched in the tubular guide rail pipe has vertical axes roller 305 and trunnion axis roller 306, in this example, before and after the tractor two groups of trunnion axis rollers are arranged, there is one group of vertical axes roller the centre, and two rollers of every group of trunnion axis roller are symmetrically distributed in the both sides of the plate that is bonded.Tractor has lengthening guide plate 308 outside pipe, there is the roller 397 of vertical axes at two of lengthening guide plate, rely on inside and outside two faces guiding of the tube wall of tubular guide rail, the lengthening guide plate can be that the long groove shape of shallow slot shape section also can be rectangular latch plate, the lengthening guide plate is fixed together with the dark cell wall of trough plate 300 outside tubular guide rail, fixed block 310 is below the side or side of guide rail, support 309 connects locating piece 312 and fixed block 310, it can be the frame shape that metallic plate is converted into, one of frame cooperates with 310 one-tenth semi-surroundings of rectangle fixed block, the other end point is welded on the lengthening guide plate 308, when distance between two guide rails was nearer, support can shorten the groove shape that only encases fixed block into.Locating piece 312 is thin-wall parts that plastics are made, with the outer contour of locating hole mating part be rectangle, locating piece respectively stretches out the tractor pedestal from the two sides, the length of stretching out and the width of coaster are roughly the same, the locating piece middle part is raised with stiffener and holds support 309, and be screwed, there is permanent magnet 313 locating piece 312 ends.The strip collision block 304 of rectangle is fixed on the opposite face of bottom and the locating piece 312 of vertical plane of dihedral plate 302 in the middle of bottom with the vertical plane of dihedral plate 302 is clipped in, collision block 304 is the forms at the two upper corners installing roller of troffer, notch has cover plate 301, the hole 303 of hooking for the rotary type removable pin is arranged on the plate outside the bottom surface of troffer and the tractor protruded tube, fixedly the screw of the usefulness bottom surface of passing troffer is fixed on the locating piece 312, and the dihedral plate also can replace with dull and stereotyped in this example.Locating piece 312 can be divided into two, is fixed on pivot pin on two walls up and down of groove.

Referring to Figure 11 cutaway view, driving-belt is a synchronous cog belt, fixed block 310 is hollow tubulars of rectangle, on the outer vertical plane of pipe, recessed groove is arranged, two gib head ratchets 314 are in recessed groove, head is to mouth of pipe direction, gib head inserts in the pipe, and pawl axis is at the fixed block middle part, and there is end fixed head 311 the driving-belt end, this routine medial end portions fixed head is the groove shape, groove width cooperates with belt width, and bottom land has tooth to cooperate with tooth or hole on the driving-belt, and the another side of bottom land has ratchet, in the hole with matching, can adjust the driving-belt degree of tightness on the end fixed head insertion fixed block with the mode what insert.Other forms of driving-belt can be with reference to design.

Aforementioned fixation piece, support, locating piece can be merged into an incorporate moulding, Figure 13 is that fixed block, support, locating piece are merged into a stereogram behind the moulding, the part of tractor pedestal outside the guide rail pipe is screwed together with moulding, lengthening guide plate 308 is screwed on moulding, and this incorporate structure is convenient to fixed block and locating piece are placed roughly same level height.

When adopting both sides to have the guide rail of T-slot and driving-belt in pipe, be fixed with driving-belt end fixed head on the tractor pedestal, there is tooth to cooperate on the fixed head of driving-belt end with perforation on the driving-belt, have on the tractor pedestal on the shaped as frame bearing driving-belt end fixed head of vertical axes roller and be raised with central dividing plate, central dividing plate inserts the shaped as frame bearing, in the middle of two rollers up and down, roller shaft inserts central dividing plate, there is projection centre at two vertical edges of shaped as frame bearing, cooperates with the groove of central dividing plate both sides.

Tractor shown in Figure 5 can only be used for straight guide, the problem that is used for arc-shaped guide rail for solution, several major measure have been taked, a, the sidewall of employing driving-belt in the groove of guide rail have tubular type guide rail or king's font guide rail of T type groove, about b, locating piece are divided into two, each locating piece is connected with the pedestal of tractor by pivot pin or is fixed on the tractor pedestal page or leaf sheet of hinge form, and hinge page or leaf sheet connects by pivot pin, makes the locating piece (312) can horizontal hunting.C, for further improving guidance quality, there is parallel plane at the axle middle part of trunnion axis roller, and the axle of trunnion axis roller is floated, and d, improves the distribution of guide roller.

Figure 25 be by the present invention design can with the stereogram of the matching used tractor of tubular type guide rail straight or arc, referring to Figure 25, tractor left-right symmetry structure, the tractor pedestal is welded to form by two above metallic stamping pieces, wherein a plate is deep trouth shape, two walls of groove are respectively in the pipe of tubular guide rail and outside the pipe, another piece plate collision block fixed head is the dihedral plate, the interior edged surface of dihedral plate stretches into the interior wall applying spot welding of pipe with dark trough plate, the outer bottom of dark trough plate and the inner bottom surface of dihedral plate be the grooving shape from a distance, locating piece is in groove, locating piece is the thin-wall part that plastics are made, with the outer contour of locating hole mating part be rectangle, locating piece respectively stretches out the tractor pedestal from the two sides, the length of stretching out and the width of coaster are roughly the same.The strip collision block of rectangle is fixed on the face opposite with locating piece of the bottom of vertical plane of collision block fixed head, and collision block is that notch has cover plate, and the hole of hooking for the rotary type removable pin is arranged on the vertical plane of dihedral plate in the form of the two upper corners installing roller of troffer.More than identical with precedent shown in Figure 5, do not exist together with precedent and to be: two groups of major diameter vertical axes rollers are arranged before and after the tractor, there is one group of major diameter trunnion axis roller that can level floats as shown in Figure 6 the centre, two rollers of trunnion axis roller are symmetrically distributed in the both sides of the plate that pedestal is bonded, the middle part overstriking of axle, parallel plane is arranged up and down, the hole that cooperates is with it arranged on the pedestal, the both sides up and down or the periphery in hole have little chimb, the vertical axes roller is in the shaped as frame bearing, the shaped as frame bearing is welded on the pedestal by the stamping parts of groove shape and forms, and the bottom surface of shaped as frame bearing is to form the limit that folds on the plate of pedestal to form.Two holes are arranged above each shaped as frame bearing, be used to hold ball, the bearing of ball can be as shown in FIG. on the projection that the otch flanging forms, also can as shown in Figure 27 the knuckle place be extruded groove shape projection, the bearing of ball is on groove shape projection, can not establish ball as shown in Figure 24 yet, the bearing of two small tubes of on the vertical plane of shaped as frame bearing, burn-oning in addition as minor diameter trunnion axis roller, about locating piece is divided into two, each locating piece is connected with the pedestal of tractor by vertical pivot pin, make the locating piece can horizontal hunting, as shown in Figure 26.Driving-belt end fixed head is several chain sheets that pin connects of saving, on the tooth of projection back draught is arranged, the microcephaly is towards substrate, double-screw bolt is arranged above, be fixed on the chain sheet with nut, several perforations of the end of driving-belt are trimmed to the shape that cooperates with the tooth of projection, rely on the back draught of raised tooth that driving-belt is pressed onto on the substrate.Have hinge on the fixed head of driving-belt end, be fixed on the driving-belt fixed head by hinge.Be fixed with the lug boss of angle bar shape on one of them driving-belt end fixed head, driving-belt end fixed head and lug boss are clamped the driving-belt fixed head of tractor outside pipe, screw passes projection, be fixed with the plate of projection on the driving-belt fixed head, screw is blocked by the plate of projection can not axial float.

It is the integrally formed method of injection moulding, die casting or casting method that last example can adopt the pedestal of the tractor except that the driving-belt fixed head, and the driving-belt fixed head that tabular has flange is screwed on the integrally formed tractor pedestal in addition.For example the lower lobes of the collision block fixed head that stretches out the guide of pedestal has rectangular tube or the groove above locating piece thickness, locating piece is in rectangular tube or groove, there are fixed leg or fixing hole in the middle part of rectangular tube or groove, the driving-belt fixed head is screwed on the rectangular tube or groove of projection in addition, and Figure 30 is the stereogram of the tractor pedestal of injection moulding or die casting.

Figure 24 is the stereogram together time the with the matching used hinged tractor of tubular type guide rail straight or arc and combination of pulley by the present invention design.Tractor is made up of two parts, connect by hinge each other, two locating pieces are screwed respectively or pivot pin is connected on the page or leaf sheet of hinge separately, there is major diameter vertical axes roller the centre, hinge is coaxial with the vertical axes roller, each page sheet all has collision block, but be connected with the cover plate of the flexibility of hinged or bending between two collision blocks, trunnion axis roller and vertical axes roller are arranged on each of tractor page sheet simultaneously, the trunnion axis roller is the major diameter roller of floating axle, near coaster the roller here is minor diameter vertical axes roller, the two-part pedestal of tractor is all made by injection moulding or pressure casting method, the driving-belt fixed head has the shallow box-like of flange around being, be fixed on the pedestal with bolt or screw, the roller of coaster front portion is a minor diameter trunnion axis roller, minor diameter roller when tractor combines with coaster is overlapping up and down, supratrochlear vertical axes roller is in the shaped as frame bearing, there is minor diameter trunnion axis roller front and back, two driving-belt end fixed heads are fixed on the driving-belt fixed head by hinge respectively, be fixed with lug boss on one of them driving-belt end fixed head, driving-belt end fixed head and lug boss are clamped the driving-belt fixed head of tractor outside pipe, screw passes projection, on the driving-belt fixed head flange is arranged, screw is blocked by the flange of projection can not axial float.

With not existing together of matching used tractor of trunnion axis rotary type trip gear shown in Figure 19 and aforementioned tractor be that the axle of the roller of collision block is a level, the sidewall of the troffer of collision block is fixed on the collision block fixed head, and the rotary type removable pin hooks the bottom surface of collision block.

Referring to the rotary type removable pin among Figure 11, when gib head falls, the outer edged surface that gib head one arm arranged is parallel with the hole wall of the rectangular opening that coaster cooperates with locating piece, it is that 75 degree are to 85 degree scopes that angle between the interior edged surface of the outer edged surface of gib head one arm and the first arm of Wugou is arranged, the length of two arms is than being in 0.8 to 1 to 1 to 1 the scope, the angle of the outer edged surface of two arms is about 75 degree, has gib head one arm that position limit arm is arranged in the other direction, and position limit arm length is about 1 to 2.8 with the ratio that gib head one arm lengths is arranged.

Fig. 4 is the stereogram of the coaster example of band vertical axis rotary type removable pin, referring to Fig. 4, the part of coaster pedestal in tubular guide rail is that the face-to-face superimposed spot welding of metallic plate forms, superimposed part is by the groove of tubular guide rail bottom surface, the superimposed face-to-face part of metallic plate outside pipe surrounds the rectangular opening that cooperates with locating piece 312, there is horn mouth at the front opening place in hole, the coaster pedestal is made up of two metallic plates in this example, preferably one flat plate 103 is formed with the trough plate 104 that cell wall has flanging, also can be that a dihedral plate and an indentation plate are combined into.Head is that the bearing of vertical axes rotary type removable pin 100 of gib head ratchet form is on the hole wall of the rectangular opening that cooperates with locating piece, can form in the bending of body upper cut, the troffer 105 of also can burn-oning in addition, or two kinds of ways are used simultaneously, the axle of rotary type removable pin passes two walls of troffer 105, the rotary type removable pin is in groove, and torsion spring 101 is enclosed within on the axle of rotary type removable pin between the bearing of troffer 105 and body upper cut bending formation.The guiding of coaster is the method for inlaying ball 109 above the retainer 106 made of plastic, and retainer cooperates with the guide rail pipe, and is in the middle of retainer 106 is clipped in the metallic plate of aforementioned coaster pedestal in the guide rail pipe, fastening with screw or rivet 108.Can be provided with than big roller 107 resistance of reducing friction in the centre simultaneously as shown in FIG..It is external that the head of the rotary type removable pin 100 of gib head form leans out the basis of coaster pedestal, can hook tractor pedestal or collision block.The approaching one side of coaster and erecting by overhang is that the back of coaster pedestal has anterior extended projection, projection is extended in the back of two boards in this example, the contour position porose 102 in bottom and the hole on the erecting by overhang of projection, indentation number millimeter under the hole, the material that does not have the coaster body has the space that holds chain link or rope.Near the hole material separately outwards belling some form groove shapes, chain link or restrict 606 in groove is installed with split pin in the hole.Is connected by chain link or rope between tractor and the erecting by overhang, also connects between each erecting by overhang, hang under the certain situation of distance, adjust chain or 606 the length of restricting can be adjusted the degree of curtain discounting at curtain by chain link or rope.Limit with the coaster pedestal when this connected mode can guarantee to retreat promotes erecting by overhang, spurs erecting by overhang with chain or rope when advancing, can additional moment.The extension plate 110 of angle bar shape be fixed on the rectangular opening that cooperates with locating piece 312 below, the front end of extension plate has suspension hook 111, also there is suspension hook rectangle locating hole following.The effect of extension plate 110 be have when two curtain are crossed in the centre certain staggered superimposed.

Figure 27 is the stereogram of the coaster example that can cooperate with arc-shaped guide rail, basic identical with precedent, do not exist together and be: supratrochlear vertical axes roller is in the shaped as frame bearing, the shaped as frame bearing is welded on the pedestal by the stamping parts of groove shape and forms, the bottom surface of shaped as frame bearing is to form the limit that folds on the plate of pedestal to form, there is the major diameter trunnion axis roller of aforementioned floating axle the front portion of shaped as frame bearing, and there are minor diameter trunnion axis roller or ball in the rear portion, and is similar to aforementioned tractor.Extension plate 110 usefulness of angle bar shape axle be fixed on the rectangular opening that cooperates with locating piece 312 below, can horizontal hunting, have back-moving spring to make the extension plate answer home position parallel with locating hole.

Shown in Figure 27 thisly have the vertical axes roller and be particularly suitable for adopting integrally formed method manufacturings such as die casting or injection moulding at the coaster of shaped as frame bearing inner structure, and Figure 31 is the stereogram of the coaster pedestal of injection moulding or die casting.

Figure 20 is the stereogram of the coaster of band horizontal axis rotary type removable pin, roughly the same with among Fig. 4, not existing together is the axis level of rotary type removable pin, the notch of troffer 105 upwards, the rotary type removable pin is in groove, cell wall is passed in rotating shaft, gib head catches on the troffer that is fixed on the collision block on the tractor, rectangle locating hole and center line of guide rail be symmetry roughly, troffer can be burn-on as shown in Figure 4 in addition, also can be the upwards bending of back that stretches out of the bottom surface of rectangle location hole wall as shown in figure 20, the troffer that forms with the perpendicular outer wall of rectangle locating hole.

Figure 21 is the stereogram of coaster that has the Direct Action Type removable pin of axis horizontal, roughly the same with among Fig. 4, not existing together is the plate that the hole wall of coaster rectangle locating hole has level outward, the channled rail that the Direct Action Type removable pin is arranged above, there is slotted hole the bottom surface of channled rail groove, the roller of projection stretches out from slotted hole on the Direct Action Type removable pin, Figure 22 is the vertical view of Direct Action Type removable pin, the Direct Action Type removable pin is in the channled rail groove, the both sides of channled rail have had the projection of position-limiting action to insert in the depression on the Direct Action Type removable pin two side, the one end sealing of channled rail, inner face has spring base, the front end of Direct Action Type removable pin is a ratchet-like, and front end can insert the locating hole that cooperates with locating piece.Aforementioned Direct Action Type active block stop also can design with reference to this kind Direct Action Type removable pin.Wherein plate of the two boards of made block pedestal is the dihedral plate in this example, interior angle towards outside, outer edged surface and trough plate surround locating hole, trough plate is the shape that a wall of groove folds a plate parallel with bottom land again, a cell wall extends to the below of the outer edged surface of dihedral plate, and both spot welding are got up or forced together with screw.

Roughly the same among coaster shown in Figure 24 and Figure 27, not existing together is that anterior trunnion axis roller is the minor diameter roller, when when tractor that the rear portion has a minor diameter roller combines, two groups of minor diameter rollers are superimposed together up and down.

Figure 23 is installed in the tractor on king's font guide rail and the stereogram of coaster, and king's font guide rail as shown in figure 14.The tractor pedestal is by dark channel and shallow channel is nestable forms, shallow channel point is welded in the deep trouth shape part and becomes dividing plate, become rectangular opening between two bottom lands, locating piece is in the hole, the troffer of collision block is at the opposite side of hole wall, two walls up and down and rectangle locating piece that vertical axes is passed rectangular opening are connected to the rectangle locating piece on the tractor pedestal, the rectangle locating piece can be swung, two walls of dark channel have outside flange, up and down two horizontal clamp of two vertical axes rollers with " king " word are respectively arranged on two walls of dark channel up and down, be fixed with the lengthening guide plate on one wall of dark channel, the lengthening guide plate is latch plate preferably, the two ends of lengthening guide plate respectively have a pair of vertical axes roller and " king " word on, in the end face contact of two horizontal strokes, respectively there is a trunnion axis roller at two ends on " king " word, in between two horizontal strokes, the flat-belt that there is a perforation centre over there on, in between two horizontal strokes, have tooth to cooperate with perforation on the flat-belt on the fixed head of driving-belt end, driving-belt end fixed head fixes on the cell wall of dark channel with screw or hinges fixing.

Coaster pedestal and tractor pedestal are similar, the coaster pedestal is also by dark channel with shallow channel is nestable forms, shallow channel point is welded in the deep trouth shape part and becomes dividing plate, become the rectangle locating hole between two bottom lands, there is horn mouth in the aperture, has in trunnion axis roller and plastic cage and " king " word on two walls of dark channel, descends the guide rail of two horizontal compositions to cooperate, the bottom surface of shallow channel has pipe crimping on one side, pivot pin is arranged in the pipe, and there is narrow groove at the middle part of pipe crimping, and the chain link that connects erecting by overhang is in groove.The structure that removable pin 100 is installed on the hole wall of rectangle location is identical with the aforementioned coaster that cooperates with tubular guide, and preferably adopting head is the vertical axes rotation removable pin of gib head ratchet form.

Referring to Fig. 9, every width of cloth curtain has a plurality of erectings by overhang 6, erecting by overhang 6 is at least by turning rolls 603, roller shaft 601, roller 602, suspension hook 607 is formed, roller shaft 601 is injected into one with turning rolls 603, the roller symmetry is enclosed within the two ends of axle, unthreaded hole or screw are arranged in the middle of the roller shaft 601, suspension hook 607 passes across roller shaft, there were nut or packing ring in the upper end of suspension hook when the hole in the middle of the roller shaft 601 was unthreaded hole, symmetrical two holes are arranged at the bottom of turning rolls 603, there is groove-shaped depression at the middle part in each hole or is with the collar (605) in the turning rolls lower end in addition, the collar has the single lug or the biconvex ear of symmetry, porose on the lug, be installed with connector 604 in the hole, connector can be pin or draw ring or rope, and packing ring is held the collar.Connector is draw ring or rope during the list lug, and connector is a pin during biconvex ear, and the chain link that connects two erectings by overhang is in the groove of groove-shaped depression or the formation of biconvex ear.Suspension hook 607 has hung double hook shape suspension member 608, and double hook shape suspension member tangles the strip hole that strap that curtain edge sews on forms.

Figure 10 is that the bottom of turning rolls 603 has two holes of symmetry and do not establish the stereogram of collar situation turning rolls, and about turning rolls, the symmetry of front and back, the bottom thickens, there is groove-shaped depression at the middle part in hole, so that hold chain link, the navel of projection is arranged around two holes of symmetry, play humidification.

Can see the erecting by overhang that is used with king's font guide rail among Figure 23, turning rolls is a troffer, on its two wall the trunnion axis roller is arranged, and bottom land has the axis hole of suspension hook 607, and the aforementioned collar 605 is enclosed within on the vertical axes of suspension hook.This kind turning rolls, the troffer and the collar also can be injected into one.

Referring to Fig. 7, in the place ahead of decelerator and pulley gear driving-belt guide carriage 8 is arranged, the driving-belt carrying roller is arranged above, the ledge of carriage can stop coaster, driving-belt carriage 8 is made up of substrate 801, carrying roller fixed frame 802, carrying roller 804, the ligand that cooperates with T-slot on the tubular guide rail is arranged on the substrate 801, and there is holding screw at the place at the corresponding tubulose center line of guide rail of substrate.Carrying roller fixed frame 802 can be hollow angle frame shape, be welded on the substrate above, two carrying roller fixed frames are according to the center line symmetry, roller carrier shaft is fixed in the above, carrying roller fixed frame 802 is to outer lug, and lug boss stops coaster at extreme position, and limit switch 803 is fixed on the driving-belt carriage 8, permanent magnet 313 is fixed on the end of locating piece 312 or fixed block 310, provides signal at lug boss when extreme position blocks coaster.

Driving-belt carriage 8 can also be as shown in Figure 6, carriage clamping plate in the form of slot, have in the groove guiding usefulness the flanged tooth pulley of two vertical axes, the flange of tooth pulley bottom is held driving-belt, on the train wheel bridge of groove shape clamping plate the ligand that cooperates with the guide rail T-slot is arranged.This kind carriage is convenient to adapt to two different guide rail spacings.

Be enclosed within the situation at guide rail two ends for single track and transmission device and pulley gear, do not need the driving-belt carriage, only need, be arranged on the baffle plate that extreme position stops coaster and get final product with reference to carriage.

Referring to Fig. 8, reducer shell is made up of upper, middle and lower three parts at least, be screwed together, driving-belt 9 is middle flat-belt or synchronous cog belt or steel wire ropes that perforation is arranged, drive pulley 704 and the last grade of decelerator gear 705 be one or fixing all-in-one-piece, there are bearing and axle in the inside, drive pulley 704 and the last grade of decelerator gear 705 are clipped between the top and middle part of reducer shell, decelerator is the transmission of level Four fixed axis gear, the doubly-linked gear that doubly-linked gear that first order gear wheel and second level pinion are formed and third level gear wheel and fourth stage pinion are formed is coaxial, there is gripper shoe 706 centre, gripper shoe 706 is decelerated the middle part and the bottom of device housing and clamps, the installation link plate 701 that has metallic plate to make above the reducer shell, be fixed on above the reducing gearbox with the fixing screw of reducer shell, the both sides punching press of link plate is installed or is welded with the ligand that cooperates with T-slot on the tubular guide rail, be welded with catch 702 with the corresponding position, position of both sides tubular guide rail, the lower lobes 703 of catch, hole porose and on the erecting by overhang cooperates on the projection, penetrates split pin in the hole and fixes with erecting by overhang backmost.

Pulley gear 10 can adopt the structure of single or two or three pulleys, and pulley is in two clamping plate, and pulley spindle is fixed on the clamping plate, has the T body to cooperate with guide rail on the train wheel bridge.Pulley gear is enclosed within outside the guide rail during single track, can adopt the structure of similar guide carriage shown in Figure 78 during double track, also can adopt single than large pulley structure or single-sheaved block before add three pulley structures of two leading blocks.

Claims (4)

1, a kind of improved electrically driven curtain, has guide rail, Vidacare corp, coaster, erecting by overhang, coaster and erecting by overhang are subjected to the guide rail constraint along guide rail movement, coaster is hung edge, curtain front, erecting by overhang is hung curtain, on the Vidacare corp drive transmission at least one is along the movable part of guide rail movement, improved electrically driven curtain also has tractor (3) and trip gear (2), tractor (3) is subjected to guide rail (5) constraint, tractor (3) fixes with movable part (9), on coaster (1) or the tractor (3) removable pin (100) is arranged, tractor (3) is connected with coaster (1) by removable pin (100), block (201) compressing removable pin (100) on the trip gear (2) is threaded off tractor (3) and coaster (1), guide rail (5) is a tubular guide rail, movable part (9) is a driving-belt, in the groove of driving-belt on guide rail (5), the collision block (304) that projection is arranged on the tractor (3), collision block (304) is used to push the block (201) on the trip gear (2), on tractor (3) and the coaster (1) locating hole or the locating piece (312) that cooperatively interacts arranged, the section of locating piece (312) is a rectangular profile, locating piece (312) and collision block (304) are arranged on the tractor (3), locating piece (312) is below guide rail, collision block (304) is fixed on the fixed head or hole wall that stretches out the guide on tractor (3) pedestal, locating piece (312) is at the another side of fixed head or hole wall, removable pin (100) is outside coaster (1) is gone up the vertical hole wall in the hole that cooperates with locating piece (312), it is characterized in that: locating piece (312) has two, each locating piece (312) is connected with the pedestal of tractor by pivot pin or is connected on the tractor pedestal page or leaf sheet of hinge form, hinge page or leaf sheet connects by pivot pin, make the locating piece (312) can horizontal hunting, have on tractor (3) or the coaster (1) trunnion axis roller and vertical axis roller wherein the axle of trunnion axis roller float, there is parallel plane at the axle middle part of trunnion axis roller.

2, electrically driven curtain according to claim 1, it is characterized in that: the distribution of the guide roller on tractor (3) pedestal has the trunnion axis roller in the middle of being, there is the vertical axis roller both sides, the vertical axis roller is in the bearing of shaped as frame, the bearing of shaped as frame is near having ball on trunnion axis roller that minor diameter is arranged on the vertical plane of coaster one side or the horizontal plane, in the groove or hole of locating piece (312) on pedestal.

3, electrically driven curtain according to claim 1 is characterized in that: the bearing of shaped as frame is arranged on the pedestal of coaster (1), and the vertical axis roller is in the shaped as frame bearing, and there is the trunnion axis roller front of shaped as frame bearing.

4, electrically driven curtain according to claim 2 is characterized in that: the pedestal that has the tractor of shaped as frame bearing is that injection moulding or pressure casting method are integrally formed, and the driving-belt fixed head is arranged, and the driving-belt fixed head is fixed on the integrally formed tractor pedestal in addition.

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